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/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
41 #include <asm/system.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
54 static struct pci_device_id card_ids[] = {
55 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
56 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
57 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
64 MODULE_DEVICE_TABLE(pci, card_ids);
66 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
67 static void airo_pci_remove(struct pci_dev *);
68 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
69 static int airo_pci_resume(struct pci_dev *pdev);
71 static struct pci_driver airo_driver = {
74 .probe = airo_pci_probe,
75 .remove = __devexit_p(airo_pci_remove),
76 .suspend = airo_pci_suspend,
77 .resume = airo_pci_resume,
79 #endif /* CONFIG_PCI */
81 /* Include Wireless Extension definition and check version - Jean II */
82 #include <linux/wireless.h>
83 #define WIRELESS_SPY // enable iwspy support
84 #include <net/iw_handler.h> // New driver API
86 #define CISCO_EXT // enable Cisco extensions
88 #include <linux/delay.h>
91 /* Hack to do some power saving */
94 /* As you can see this list is HUGH!
95 I really don't know what a lot of these counts are about, but they
96 are all here for completeness. If the IGNLABEL macro is put in
97 infront of the label, that statistic will not be included in the list
98 of statistics in the /proc filesystem */
100 #define IGNLABEL(comment) NULL
101 static char *statsLabels[] = {
103 IGNLABEL("RxPlcpCrcErr"),
104 IGNLABEL("RxPlcpFormatErr"),
105 IGNLABEL("RxPlcpLengthErr"),
136 "LostSync-MissedBeacons",
137 "LostSync-ArlExceeded",
139 "LostSync-Disassoced",
140 "LostSync-TsfTiming",
149 IGNLABEL("HmacTxMc"),
150 IGNLABEL("HmacTxBc"),
151 IGNLABEL("HmacTxUc"),
152 IGNLABEL("HmacTxFail"),
153 IGNLABEL("HmacRxMc"),
154 IGNLABEL("HmacRxBc"),
155 IGNLABEL("HmacRxUc"),
156 IGNLABEL("HmacRxDiscard"),
157 IGNLABEL("HmacRxAccepted"),
165 IGNLABEL("ReasonOutsideTable"),
166 IGNLABEL("ReasonStatus1"),
167 IGNLABEL("ReasonStatus2"),
168 IGNLABEL("ReasonStatus3"),
169 IGNLABEL("ReasonStatus4"),
170 IGNLABEL("ReasonStatus5"),
171 IGNLABEL("ReasonStatus6"),
172 IGNLABEL("ReasonStatus7"),
173 IGNLABEL("ReasonStatus8"),
174 IGNLABEL("ReasonStatus9"),
175 IGNLABEL("ReasonStatus10"),
176 IGNLABEL("ReasonStatus11"),
177 IGNLABEL("ReasonStatus12"),
178 IGNLABEL("ReasonStatus13"),
179 IGNLABEL("ReasonStatus14"),
180 IGNLABEL("ReasonStatus15"),
181 IGNLABEL("ReasonStatus16"),
182 IGNLABEL("ReasonStatus17"),
183 IGNLABEL("ReasonStatus18"),
184 IGNLABEL("ReasonStatus19"),
204 #define RUN_AT(x) (jiffies+(x))
208 /* These variables are for insmod, since it seems that the rates
209 can only be set in setup_card. Rates should be a comma separated
210 (no spaces) list of rates (up to 8). */
213 static int basic_rate;
214 static char *ssids[3];
220 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
221 0 means no limit. For old cards this was 4 */
223 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
224 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
225 the bap, needed on some older cards and buses. */
228 static int probe = 1;
230 static int proc_uid /* = 0 */;
232 static int proc_gid /* = 0 */;
234 static int airo_perm = 0555;
236 static int proc_perm = 0644;
238 MODULE_AUTHOR("Benjamin Reed");
239 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
240 cards. Direct support for ISA/PCI/MPI cards and support \
241 for PCMCIA when used with airo_cs.");
242 MODULE_LICENSE("Dual BSD/GPL");
243 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
244 module_param_array(io, int, NULL, 0);
245 module_param_array(irq, int, NULL, 0);
246 module_param(basic_rate, int, 0);
247 module_param_array(rates, int, NULL, 0);
248 module_param_array(ssids, charp, NULL, 0);
249 module_param(auto_wep, int, 0);
250 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
251 the authentication options until an association is made. The value of \
252 auto_wep is number of the wep keys to check. A value of 2 will try using \
253 the key at index 0 and index 1.");
254 module_param(aux_bap, int, 0);
255 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
256 than seems to work better for older cards with some older buses. Before \
257 switching it checks that the switch is needed.");
258 module_param(maxencrypt, int, 0);
259 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
260 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
261 Older cards used to be limited to 2mbs (4).");
262 module_param(adhoc, int, 0);
263 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
264 module_param(probe, int, 0);
265 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
267 module_param(proc_uid, int, 0);
268 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
269 module_param(proc_gid, int, 0);
270 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
271 module_param(airo_perm, int, 0);
272 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
273 module_param(proc_perm, int, 0);
274 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
276 /* This is a kind of sloppy hack to get this information to OUT4500 and
277 IN4500. I would be extremely interested in the situation where this
278 doesn't work though!!! */
279 static int do8bitIO = 0;
288 #define MAC_ENABLE 0x0001
289 #define MAC_DISABLE 0x0002
290 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
291 #define CMD_SOFTRESET 0x0004
292 #define HOSTSLEEP 0x0005
293 #define CMD_MAGIC_PKT 0x0006
294 #define CMD_SETWAKEMASK 0x0007
295 #define CMD_READCFG 0x0008
296 #define CMD_SETMODE 0x0009
297 #define CMD_ALLOCATETX 0x000a
298 #define CMD_TRANSMIT 0x000b
299 #define CMD_DEALLOCATETX 0x000c
301 #define CMD_WORKAROUND 0x0011
302 #define CMD_ALLOCATEAUX 0x0020
303 #define CMD_ACCESS 0x0021
304 #define CMD_PCIBAP 0x0022
305 #define CMD_PCIAUX 0x0023
306 #define CMD_ALLOCBUF 0x0028
307 #define CMD_GETTLV 0x0029
308 #define CMD_PUTTLV 0x002a
309 #define CMD_DELTLV 0x002b
310 #define CMD_FINDNEXTTLV 0x002c
311 #define CMD_PSPNODES 0x0030
312 #define CMD_SETCW 0x0031
313 #define CMD_SETPCF 0x0032
314 #define CMD_SETPHYREG 0x003e
315 #define CMD_TXTEST 0x003f
316 #define MAC_ENABLETX 0x0101
317 #define CMD_LISTBSS 0x0103
318 #define CMD_SAVECFG 0x0108
319 #define CMD_ENABLEAUX 0x0111
320 #define CMD_WRITERID 0x0121
321 #define CMD_USEPSPNODES 0x0130
322 #define MAC_ENABLERX 0x0201
325 #define ERROR_QUALIF 0x00
326 #define ERROR_ILLCMD 0x01
327 #define ERROR_ILLFMT 0x02
328 #define ERROR_INVFID 0x03
329 #define ERROR_INVRID 0x04
330 #define ERROR_LARGE 0x05
331 #define ERROR_NDISABL 0x06
332 #define ERROR_ALLOCBSY 0x07
333 #define ERROR_NORD 0x0B
334 #define ERROR_NOWR 0x0C
335 #define ERROR_INVFIDTX 0x0D
336 #define ERROR_TESTACT 0x0E
337 #define ERROR_TAGNFND 0x12
338 #define ERROR_DECODE 0x20
339 #define ERROR_DESCUNAV 0x21
340 #define ERROR_BADLEN 0x22
341 #define ERROR_MODE 0x80
342 #define ERROR_HOP 0x81
343 #define ERROR_BINTER 0x82
344 #define ERROR_RXMODE 0x83
345 #define ERROR_MACADDR 0x84
346 #define ERROR_RATES 0x85
347 #define ERROR_ORDER 0x86
348 #define ERROR_SCAN 0x87
349 #define ERROR_AUTH 0x88
350 #define ERROR_PSMODE 0x89
351 #define ERROR_RTYPE 0x8A
352 #define ERROR_DIVER 0x8B
353 #define ERROR_SSID 0x8C
354 #define ERROR_APLIST 0x8D
355 #define ERROR_AUTOWAKE 0x8E
356 #define ERROR_LEAP 0x8F
367 #define LINKSTAT 0x10
371 #define TXALLOCFID 0x22
372 #define TXCOMPLFID 0x24
387 /* Offset into aux memory for descriptors */
388 #define AUX_OFFSET 0x800
389 /* Size of allocated packets */
392 /* Size of the transmit queue */
396 #define BAP0 0 // Used for receiving packets
397 #define BAP1 2 // Used for xmiting packets and working with RIDS
400 #define COMMAND_BUSY 0x8000
402 #define BAP_BUSY 0x8000
403 #define BAP_ERR 0x4000
404 #define BAP_DONE 0x2000
406 #define PROMISC 0xffff
407 #define NOPROMISC 0x0000
410 #define EV_CLEARCOMMANDBUSY 0x4000
413 #define EV_TXEXC 0x04
414 #define EV_ALLOC 0x08
416 #define EV_AWAKE 0x100
417 #define EV_TXCPY 0x400
418 #define EV_UNKNOWN 0x800
419 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
420 #define EV_AWAKEN 0x2000
421 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
423 #ifdef CHECK_UNKNOWN_INTS
424 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
426 #define IGNORE_INTS (~STATUS_INTS)
433 #define RID_CAPABILITIES 0xFF00
434 #define RID_APINFO 0xFF01
435 #define RID_RADIOINFO 0xFF02
436 #define RID_UNKNOWN3 0xFF03
437 #define RID_RSSI 0xFF04
438 #define RID_CONFIG 0xFF10
439 #define RID_SSID 0xFF11
440 #define RID_APLIST 0xFF12
441 #define RID_DRVNAME 0xFF13
442 #define RID_ETHERENCAP 0xFF14
443 #define RID_WEP_TEMP 0xFF15
444 #define RID_WEP_PERM 0xFF16
445 #define RID_MODULATION 0xFF17
446 #define RID_OPTIONS 0xFF18
447 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
448 #define RID_FACTORYCONFIG 0xFF21
449 #define RID_UNKNOWN22 0xFF22
450 #define RID_LEAPUSERNAME 0xFF23
451 #define RID_LEAPPASSWORD 0xFF24
452 #define RID_STATUS 0xFF50
453 #define RID_BEACON_HST 0xFF51
454 #define RID_BUSY_HST 0xFF52
455 #define RID_RETRIES_HST 0xFF53
456 #define RID_UNKNOWN54 0xFF54
457 #define RID_UNKNOWN55 0xFF55
458 #define RID_UNKNOWN56 0xFF56
459 #define RID_MIC 0xFF57
460 #define RID_STATS16 0xFF60
461 #define RID_STATS16DELTA 0xFF61
462 #define RID_STATS16DELTACLEAR 0xFF62
463 #define RID_STATS 0xFF68
464 #define RID_STATSDELTA 0xFF69
465 #define RID_STATSDELTACLEAR 0xFF6A
466 #define RID_ECHOTEST_RID 0xFF70
467 #define RID_ECHOTEST_RESULTS 0xFF71
468 #define RID_BSSLISTFIRST 0xFF72
469 #define RID_BSSLISTNEXT 0xFF73
486 * Rids and endian-ness: The Rids will always be in cpu endian, since
487 * this all the patches from the big-endian guys end up doing that.
488 * so all rid access should use the read/writeXXXRid routines.
491 /* This is redundant for x86 archs, but it seems necessary for ARM */
494 /* This structure came from an email sent to me from an engineer at
495 aironet for inclusion into this driver */
504 /* These structures are from the Aironet's PC4500 Developers Manual */
518 #define MOD_DEFAULT 0
524 u16 len; /* sizeof(ConfigRid) */
525 u16 opmode; /* operating mode */
526 #define MODE_STA_IBSS 0
527 #define MODE_STA_ESS 1
529 #define MODE_AP_RPTR 3
530 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
531 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
532 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
533 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
534 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
535 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
536 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
537 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
538 #define MODE_MIC (1<<15) /* enable MIC */
539 u16 rmode; /* receive mode */
540 #define RXMODE_BC_MC_ADDR 0
541 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
542 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
543 #define RXMODE_RFMON 3 /* wireless monitor mode */
544 #define RXMODE_RFMON_ANYBSS 4
545 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
546 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
547 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
550 u8 macAddr[ETH_ALEN];
554 u16 txLifetime; /* in kusec */
555 u16 rxLifetime; /* in kusec */
558 u16 u16deviceType; /* for overriding device type */
562 /*---------- Scanning/Associating ----------*/
564 #define SCANMODE_ACTIVE 0
565 #define SCANMODE_PASSIVE 1
566 #define SCANMODE_AIROSCAN 2
567 u16 probeDelay; /* in kusec */
568 u16 probeEnergyTimeout; /* in kusec */
569 u16 probeResponseTimeout;
570 u16 beaconListenTimeout;
574 #define AUTH_OPEN 0x1
575 #define AUTH_ENCRYPT 0x101
576 #define AUTH_SHAREDKEY 0x102
577 #define AUTH_ALLOW_UNENCRYPTED 0x200
578 u16 associationTimeout;
579 u16 specifiedApTimeout;
580 u16 offlineScanInterval;
581 u16 offlineScanDuration;
583 u16 maxBeaconLostTime;
585 #define DISABLE_REFRESH 0xFFFF
587 /*---------- Power save operation ----------*/
589 #define POWERSAVE_CAM 0
590 #define POWERSAVE_PSP 1
591 #define POWERSAVE_PSPCAM 2
594 u16 fastListenInterval;
598 /*---------- Ap/Ibss config items ----------*/
607 /*---------- Radio configuration ----------*/
609 #define RADIOTYPE_DEFAULT 0
610 #define RADIOTYPE_802_11 1
611 #define RADIOTYPE_LEGACY 2
615 #define TXPOWER_DEFAULT 0
617 #define RSSI_DEFAULT 0
619 #define PREAMBLE_AUTO 0
620 #define PREAMBLE_LONG 1
621 #define PREAMBLE_SHORT 2
625 /*---------- Aironet Extensions ----------*/
631 /*---------- Aironet Extensions ----------*/
633 #define MAGIC_ACTION_STSCHG 1
634 #define MAGIC_ACTION_RESUME 2
635 #define MAGIC_IGNORE_MCAST (1<<8)
636 #define MAGIC_IGNORE_BCAST (1<<9)
637 #define MAGIC_SWITCH_TO_PSP (0<<10)
638 #define MAGIC_STAY_IN_CAM (1<<10)
652 u8 bssid[4][ETH_ALEN];
666 u16 normalizedSignalStrength;
669 u8 noisePercent; /* Noise percent in last second */
670 u8 noisedBm; /* Noise dBm in last second */
671 u8 noiseAvePercent; /* Noise percent in last minute */
672 u8 noiseAvedBm; /* Noise dBm in last minute */
673 u8 noiseMaxPercent; /* Highest noise percent in last minute */
674 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
678 #define STAT_NOPACKETS 0
679 #define STAT_NOCARRIERSET 10
680 #define STAT_GOTCARRIERSET 11
681 #define STAT_WRONGSSID 20
682 #define STAT_BADCHANNEL 25
683 #define STAT_BADBITRATES 30
684 #define STAT_BADPRIVACY 35
685 #define STAT_APFOUND 40
686 #define STAT_APREJECTED 50
687 #define STAT_AUTHENTICATING 60
688 #define STAT_DEAUTHENTICATED 61
689 #define STAT_AUTHTIMEOUT 62
690 #define STAT_ASSOCIATING 70
691 #define STAT_DEASSOCIATED 71
692 #define STAT_ASSOCTIMEOUT 72
693 #define STAT_NOTAIROAP 73
694 #define STAT_ASSOCIATED 80
695 #define STAT_LEAPING 90
696 #define STAT_LEAPFAILED 91
697 #define STAT_LEAPTIMEDOUT 92
698 #define STAT_LEAPCOMPLETE 93
721 char factoryAddr[ETH_ALEN];
722 char aironetAddr[ETH_ALEN];
725 char callid[ETH_ALEN];
726 char supportedRates[8];
729 u16 txPowerLevels[8];
744 u16 index; /* First is 0 and 0xffff means end of list */
745 #define RADIO_FH 1 /* Frequency hopping radio type */
746 #define RADIO_DS 2 /* Direct sequence radio type */
747 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
749 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
754 #define CAP_ESS (1<<0)
755 #define CAP_IBSS (1<<1)
756 #define CAP_PRIVACY (1<<4)
757 #define CAP_SHORTHDR (1<<5)
760 u8 rates[8]; /* Same as rates for config rid */
761 struct { /* For frequency hopping only */
815 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
816 #define TXCTL_TXEX (1<<2) /* report if tx fails */
817 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
818 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
819 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
820 #define TXCTL_LLC (1<<4) /* payload is llc */
821 #define TXCTL_RELEASE (0<<5) /* release after completion */
822 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
824 #define BUSY_FID 0x10000
827 #define AIROMAGIC 0xa55a
828 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
829 #ifdef SIOCIWFIRSTPRIV
830 #ifdef SIOCDEVPRIVATE
831 #define AIROOLDIOCTL SIOCDEVPRIVATE
832 #define AIROOLDIDIFC AIROOLDIOCTL + 1
833 #endif /* SIOCDEVPRIVATE */
834 #else /* SIOCIWFIRSTPRIV */
835 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
836 #endif /* SIOCIWFIRSTPRIV */
837 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
838 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
839 * only and don't return the modified struct ifreq to the application which
840 * is usually a problem. - Jean II */
841 #define AIROIOCTL SIOCIWFIRSTPRIV
842 #define AIROIDIFC AIROIOCTL + 1
844 /* Ioctl constants to be used in airo_ioctl.command */
846 #define AIROGCAP 0 // Capability rid
847 #define AIROGCFG 1 // USED A LOT
848 #define AIROGSLIST 2 // System ID list
849 #define AIROGVLIST 3 // List of specified AP's
850 #define AIROGDRVNAM 4 // NOTUSED
851 #define AIROGEHTENC 5 // NOTUSED
852 #define AIROGWEPKTMP 6
853 #define AIROGWEPKNV 7
855 #define AIROGSTATSC32 9
856 #define AIROGSTATSD32 10
857 #define AIROGMICRID 11
858 #define AIROGMICSTATS 12
859 #define AIROGFLAGS 13
862 #define AIRORSWVERSION 17
864 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
866 #define AIROPCAP AIROGSTATSD32 + 40
867 #define AIROPVLIST AIROPCAP + 1
868 #define AIROPSLIST AIROPVLIST + 1
869 #define AIROPCFG AIROPSLIST + 1
870 #define AIROPSIDS AIROPCFG + 1
871 #define AIROPAPLIST AIROPSIDS + 1
872 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
873 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
874 #define AIROPSTCLR AIROPMACOFF + 1
875 #define AIROPWEPKEY AIROPSTCLR + 1
876 #define AIROPWEPKEYNV AIROPWEPKEY + 1
877 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
878 #define AIROPLEAPUSR AIROPLEAPPWD + 1
882 #define AIROFLSHRST AIROPWEPKEYNV + 40
883 #define AIROFLSHGCHR AIROFLSHRST + 1
884 #define AIROFLSHSTFL AIROFLSHGCHR + 1
885 #define AIROFLSHPCHR AIROFLSHSTFL + 1
886 #define AIROFLPUTBUF AIROFLSHPCHR + 1
887 #define AIRORESTART AIROFLPUTBUF + 1
889 #define FLASHSIZE 32768
890 #define AUXMEMSIZE (256 * 1024)
892 typedef struct aironet_ioctl {
893 unsigned short command; // What to do
894 unsigned short len; // Len of data
895 unsigned short ridnum; // rid number
896 unsigned char __user *data; // d-data
899 static char swversion[] = "2.1";
900 #endif /* CISCO_EXT */
902 #define NUM_MODULES 2
903 #define MIC_MSGLEN_MAX 2400
904 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
905 #define AIRO_DEF_MTU 2312
909 u8 enabled; // MIC enabled or not
910 u32 rxSuccess; // successful packets received
911 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
912 u32 rxNotMICed; // pkts dropped due to not being MIC'd
913 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
914 u32 rxWrongSequence; // pkts dropped due to sequence number violation
919 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
920 u64 accum; // accumulated mic, reduced to u32 in final()
921 int position; // current position (byte offset) in message
925 } part; // saves partial message word across update() calls
929 emmh32_context seed; // Context - the seed
930 u32 rx; // Received sequence number
931 u32 tx; // Tx sequence number
932 u32 window; // Start of window
933 u8 valid; // Flag to say if context is valid or not
938 miccntx mCtx; // Multicast context
939 miccntx uCtx; // Unicast context
943 unsigned int rid: 16;
944 unsigned int len: 15;
945 unsigned int valid: 1;
946 dma_addr_t host_addr;
950 unsigned int offset: 15;
952 unsigned int len: 15;
953 unsigned int valid: 1;
954 dma_addr_t host_addr;
958 unsigned int ctl: 15;
960 unsigned int len: 15;
961 unsigned int valid: 1;
962 dma_addr_t host_addr;
966 * Host receive descriptor
969 unsigned char __iomem *card_ram_off; /* offset into card memory of the
971 RxFid rx_desc; /* card receive descriptor */
972 char *virtual_host_addr; /* virtual address of host receive
978 * Host transmit descriptor
981 unsigned char __iomem *card_ram_off; /* offset into card memory of the
983 TxFid tx_desc; /* card transmit descriptor */
984 char *virtual_host_addr; /* virtual address of host receive
990 * Host RID descriptor
993 unsigned char __iomem *card_ram_off; /* offset into card memory of the
995 Rid rid_desc; /* card RID descriptor */
996 char *virtual_host_addr; /* virtual address of host receive
1005 #define HOST_SET (1 << 0)
1006 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1007 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1008 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1009 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1010 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1011 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1012 #define HOST_RTS (1 << 9) /* Force RTS use */
1013 #define HOST_SHORT (1 << 10) /* Do short preamble */
1040 static WifiCtlHdr wifictlhdr8023 = {
1042 .ctl = HOST_DONT_RLSE,
1046 // Frequency list (map channels to frequencies)
1047 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1048 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1050 // A few details needed for WEP (Wireless Equivalent Privacy)
1051 #define MAX_KEY_SIZE 13 // 128 (?) bits
1052 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1053 typedef struct wep_key_t {
1055 u8 key[16]; /* 40-bit and 104-bit keys */
1058 /* Backward compatibility */
1059 #ifndef IW_ENCODE_NOKEY
1060 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1061 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1062 #endif /* IW_ENCODE_NOKEY */
1064 /* List of Wireless Handlers (new API) */
1065 static const struct iw_handler_def airo_handler_def;
1067 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1071 static int get_dec_u16( char *buffer, int *start, int limit );
1072 static void OUT4500( struct airo_info *, u16 register, u16 value );
1073 static unsigned short IN4500( struct airo_info *, u16 register );
1074 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1075 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1076 static void disable_MAC(struct airo_info *ai, int lock);
1077 static void enable_interrupts(struct airo_info*);
1078 static void disable_interrupts(struct airo_info*);
1079 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1080 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1081 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1083 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1085 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1087 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1088 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1089 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1090 *pBuf, int len, int lock);
1091 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1092 int len, int dummy );
1093 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1094 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1095 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1097 static int mpi_send_packet (struct net_device *dev);
1098 static void mpi_unmap_card(struct pci_dev *pci);
1099 static void mpi_receive_802_3(struct airo_info *ai);
1100 static void mpi_receive_802_11(struct airo_info *ai);
1101 static int waitbusy (struct airo_info *ai);
1103 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1105 static int airo_thread(void *data);
1106 static void timer_func( struct net_device *dev );
1107 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1108 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1109 static void airo_read_wireless_stats (struct airo_info *local);
1111 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1112 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1113 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1114 #endif /* CISCO_EXT */
1115 static void micinit(struct airo_info *ai);
1116 static int micsetup(struct airo_info *ai);
1117 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1118 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1120 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1121 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1124 struct net_device_stats stats;
1125 struct net_device *dev;
1126 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1127 use the high bit to mark whether it is in use. */
1129 #define MPI_MAX_FIDS 1
1132 char keyindex; // Used with auto wep
1133 char defindex; // Used with auto wep
1134 struct proc_dir_entry *proc_entry;
1135 spinlock_t aux_lock;
1136 unsigned long flags;
1137 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1138 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1139 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1140 #define FLAG_RADIO_MASK 0x03
1141 #define FLAG_ENABLED 2
1142 #define FLAG_ADHOC 3 /* Needed by MIC */
1143 #define FLAG_MIC_CAPABLE 4
1144 #define FLAG_UPDATE_MULTI 5
1145 #define FLAG_UPDATE_UNI 6
1146 #define FLAG_802_11 7
1147 #define FLAG_PENDING_XMIT 9
1148 #define FLAG_PENDING_XMIT11 10
1150 #define FLAG_REGISTERED 12
1151 #define FLAG_COMMIT 13
1152 #define FLAG_RESET 14
1153 #define FLAG_FLASHING 15
1154 #define JOB_MASK 0x1ff0000
1157 #define JOB_XMIT11 18
1158 #define JOB_STATS 19
1159 #define JOB_PROMISC 20
1161 #define JOB_EVENT 22
1162 #define JOB_AUTOWEP 23
1163 #define JOB_WSTATS 24
1164 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1166 unsigned short *flash;
1168 struct task_struct *task;
1169 struct semaphore sem;
1171 wait_queue_head_t thr_wait;
1172 struct completion thr_exited;
1173 unsigned long expires;
1175 struct sk_buff *skb;
1178 struct net_device *wifidev;
1179 struct iw_statistics wstats; // wireless stats
1180 unsigned long scan_timestamp; /* Time started to scan */
1181 struct iw_spy_data spy_data;
1182 struct iw_public_data wireless_data;
1184 struct crypto_tfm *tfm;
1186 mic_statistics micstats;
1187 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1188 HostTxDesc txfids[MPI_MAX_FIDS];
1189 HostRidDesc config_desc;
1190 unsigned long ridbus; // phys addr of config_desc
1191 struct sk_buff_head txq;// tx queue used by mpi350 code
1192 struct pci_dev *pci;
1193 unsigned char __iomem *pcimem;
1194 unsigned char __iomem *pciaux;
1195 unsigned char *shared;
1196 dma_addr_t shared_dma;
1200 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1201 char proc_name[IFNAMSIZ];
1204 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1206 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1209 static int setup_proc_entry( struct net_device *dev,
1210 struct airo_info *apriv );
1211 static int takedown_proc_entry( struct net_device *dev,
1212 struct airo_info *apriv );
1214 static int cmdreset(struct airo_info *ai);
1215 static int setflashmode (struct airo_info *ai);
1216 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1217 static int flashputbuf(struct airo_info *ai);
1218 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1220 #define airo_print(type, name, fmt, args...) \
1221 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1223 #define airo_print_info(name, fmt, args...) \
1224 airo_print(KERN_INFO, name, fmt, ##args)
1226 #define airo_print_dbg(name, fmt, args...) \
1227 airo_print(KERN_DEBUG, name, fmt, ##args)
1229 #define airo_print_warn(name, fmt, args...) \
1230 airo_print(KERN_WARNING, name, fmt, ##args)
1232 #define airo_print_err(name, fmt, args...) \
1233 airo_print(KERN_ERR, name, fmt, ##args)
1236 /***********************************************************************
1238 ***********************************************************************
1241 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1242 static void MoveWindow(miccntx *context, u32 micSeq);
1243 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1244 static void emmh32_init(emmh32_context *context);
1245 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1246 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1247 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1249 /* micinit - Initialize mic seed */
1251 static void micinit(struct airo_info *ai)
1255 clear_bit(JOB_MIC, &ai->flags);
1256 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1259 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1261 if (ai->micstats.enabled) {
1262 /* Key must be valid and different */
1263 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1264 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1265 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1266 /* Age current mic Context */
1267 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1268 /* Initialize new context */
1269 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1270 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1271 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1272 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1273 ai->mod[0].mCtx.valid = 1; //Key is now valid
1275 /* Give key to mic seed */
1276 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1279 /* Key must be valid and different */
1280 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1281 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1282 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1283 /* Age current mic Context */
1284 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1285 /* Initialize new context */
1286 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1288 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1289 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1290 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1291 ai->mod[0].uCtx.valid = 1; //Key is now valid
1293 //Give key to mic seed
1294 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1297 /* So next time we have a valid key and mic is enabled, we will update
1298 * the sequence number if the key is the same as before.
1300 ai->mod[0].uCtx.valid = 0;
1301 ai->mod[0].mCtx.valid = 0;
1305 /* micsetup - Get ready for business */
1307 static int micsetup(struct airo_info *ai) {
1310 if (ai->tfm == NULL)
1311 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1313 if (ai->tfm == NULL) {
1314 airo_print_err(ai->dev->name, "failed to load transform for AES");
1318 for (i=0; i < NUM_MODULES; i++) {
1319 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1320 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1325 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1327 /*===========================================================================
1328 * Description: Mic a packet
1330 * Inputs: etherHead * pointer to an 802.3 frame
1332 * Returns: BOOLEAN if successful, otherwise false.
1333 * PacketTxLen will be updated with the mic'd packets size.
1335 * Caveats: It is assumed that the frame buffer will already
1336 * be big enough to hold the largets mic message possible.
1337 * (No memory allocation is done here).
1339 * Author: sbraneky (10/15/01)
1340 * Merciless hacks by rwilcher (1/14/02)
1343 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1347 // Determine correct context
1348 // If not adhoc, always use unicast key
1350 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1351 context = &ai->mod[0].mCtx;
1353 context = &ai->mod[0].uCtx;
1355 if (!context->valid)
1358 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1360 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1363 mic->seq = htonl(context->tx);
1366 emmh32_init(&context->seed); // Mic the packet
1367 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1368 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1369 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1370 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1371 emmh32_final(&context->seed, (u8*)&mic->mic);
1373 /* New Type/length ?????????? */
1374 mic->typelen = 0; //Let NIC know it could be an oversized packet
1386 /*===========================================================================
1387 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1388 * (removes the MIC stuff) if packet is a valid packet.
1390 * Inputs: etherHead pointer to the 802.3 packet
1392 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1394 * Author: sbraneky (10/15/01)
1395 * Merciless hacks by rwilcher (1/14/02)
1396 *---------------------------------------------------------------------------
1399 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1405 mic_error micError = NONE;
1407 // Check if the packet is a Mic'd packet
1409 if (!ai->micstats.enabled) {
1410 //No Mic set or Mic OFF but we received a MIC'd packet.
1411 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1412 ai->micstats.rxMICPlummed++;
1418 if (ntohs(mic->typelen) == 0x888E)
1421 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1422 // Mic enabled but packet isn't Mic'd
1423 ai->micstats.rxMICPlummed++;
1427 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1429 //At this point we a have a mic'd packet and mic is enabled
1430 //Now do the mic error checking.
1432 //Receive seq must be odd
1433 if ( (micSEQ & 1) == 0 ) {
1434 ai->micstats.rxWrongSequence++;
1438 for (i = 0; i < NUM_MODULES; i++) {
1439 int mcast = eth->da[0] & 1;
1440 //Determine proper context
1441 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1443 //Make sure context is valid
1444 if (!context->valid) {
1446 micError = NOMICPLUMMED;
1452 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1454 emmh32_init(&context->seed);
1455 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1456 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1457 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1458 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1460 emmh32_final(&context->seed, digest);
1462 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1465 micError = INCORRECTMIC;
1469 //Check Sequence number if mics pass
1470 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1471 ai->micstats.rxSuccess++;
1475 micError = SEQUENCE;
1478 // Update statistics
1480 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1481 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1482 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1489 /*===========================================================================
1490 * Description: Checks the Rx Seq number to make sure it is valid
1491 * and hasn't already been received
1493 * Inputs: miccntx - mic context to check seq against
1494 * micSeq - the Mic seq number
1496 * Returns: TRUE if valid otherwise FALSE.
1498 * Author: sbraneky (10/15/01)
1499 * Merciless hacks by rwilcher (1/14/02)
1500 *---------------------------------------------------------------------------
1503 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1507 //Allow for the ap being rebooted - if it is then use the next
1508 //sequence number of the current sequence number - might go backwards
1511 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1512 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1513 context->window = (micSeq > 33) ? micSeq : 33;
1514 context->rx = 0; // Reset rx
1516 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1517 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1518 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1519 context->rx = 0; // Reset rx
1522 //Make sequence number relative to START of window
1523 seq = micSeq - (context->window - 33);
1525 //Too old of a SEQ number to check.
1530 //Window is infinite forward
1531 MoveWindow(context,micSeq);
1535 // We are in the window. Now check the context rx bit to see if it was already sent
1536 seq >>= 1; //divide by 2 because we only have odd numbers
1537 index = 1 << seq; //Get an index number
1539 if (!(context->rx & index)) {
1540 //micSEQ falls inside the window.
1541 //Add seqence number to the list of received numbers.
1542 context->rx |= index;
1544 MoveWindow(context,micSeq);
1551 static void MoveWindow(miccntx *context, u32 micSeq)
1555 //Move window if seq greater than the middle of the window
1556 if (micSeq > context->window) {
1557 shift = (micSeq - context->window) >> 1;
1561 context->rx >>= shift;
1565 context->window = micSeq; //Move window
1569 /*==============================================*/
1570 /*========== EMMH ROUTINES ====================*/
1571 /*==============================================*/
1573 /* mic accumulate */
1574 #define MIC_ACCUM(val) \
1575 context->accum += (u64)(val) * context->coeff[coeff_position++];
1577 static unsigned char aes_counter[16];
1579 /* expand the key to fill the MMH coefficient array */
1580 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1582 /* take the keying material, expand if necessary, truncate at 16-bytes */
1583 /* run through AES counter mode to generate context->coeff[] */
1587 u8 *cipher, plain[16];
1588 struct scatterlist sg[1];
1590 crypto_cipher_setkey(tfm, pkey, 16);
1592 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1593 aes_counter[15] = (u8)(counter >> 0);
1594 aes_counter[14] = (u8)(counter >> 8);
1595 aes_counter[13] = (u8)(counter >> 16);
1596 aes_counter[12] = (u8)(counter >> 24);
1598 memcpy (plain, aes_counter, 16);
1599 sg_set_buf(sg, plain, 16);
1600 crypto_cipher_encrypt(tfm, sg, sg, 16);
1601 cipher = kmap(sg->page) + sg->offset;
1602 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1603 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1609 /* prepare for calculation of a new mic */
1610 static void emmh32_init(emmh32_context *context)
1612 /* prepare for new mic calculation */
1614 context->position = 0;
1617 /* add some bytes to the mic calculation */
1618 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1620 int coeff_position, byte_position;
1622 if (len == 0) return;
1624 coeff_position = context->position >> 2;
1626 /* deal with partial 32-bit word left over from last update */
1627 byte_position = context->position & 3;
1628 if (byte_position) {
1629 /* have a partial word in part to deal with */
1631 if (len == 0) return;
1632 context->part.d8[byte_position++] = *pOctets++;
1633 context->position++;
1635 } while (byte_position < 4);
1636 MIC_ACCUM(htonl(context->part.d32));
1639 /* deal with full 32-bit words */
1641 MIC_ACCUM(htonl(*(u32 *)pOctets));
1642 context->position += 4;
1647 /* deal with partial 32-bit word that will be left over from this update */
1650 context->part.d8[byte_position++] = *pOctets++;
1651 context->position++;
1656 /* mask used to zero empty bytes for final partial word */
1657 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1659 /* calculate the mic */
1660 static void emmh32_final(emmh32_context *context, u8 digest[4])
1662 int coeff_position, byte_position;
1668 coeff_position = context->position >> 2;
1670 /* deal with partial 32-bit word left over from last update */
1671 byte_position = context->position & 3;
1672 if (byte_position) {
1673 /* have a partial word in part to deal with */
1674 val = htonl(context->part.d32);
1675 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1678 /* reduce the accumulated u64 to a 32-bit MIC */
1679 sum = context->accum;
1680 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1681 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1682 sum = utmp & 0xffffffffLL;
1683 if (utmp > 0x10000000fLL)
1687 digest[0] = (val>>24) & 0xFF;
1688 digest[1] = (val>>16) & 0xFF;
1689 digest[2] = (val>>8) & 0xFF;
1690 digest[3] = val & 0xFF;
1693 static int readBSSListRid(struct airo_info *ai, int first,
1700 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1701 memset(&cmd, 0, sizeof(cmd));
1702 cmd.cmd=CMD_LISTBSS;
1703 if (down_interruptible(&ai->sem))
1704 return -ERESTARTSYS;
1705 issuecommand(ai, &cmd, &rsp);
1707 /* Let the command take effect */
1712 rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
1713 list, sizeof(*list), 1);
1715 list->len = le16_to_cpu(list->len);
1716 list->index = le16_to_cpu(list->index);
1717 list->radioType = le16_to_cpu(list->radioType);
1718 list->cap = le16_to_cpu(list->cap);
1719 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1720 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1721 list->dsChannel = le16_to_cpu(list->dsChannel);
1722 list->atimWindow = le16_to_cpu(list->atimWindow);
1723 list->dBm = le16_to_cpu(list->dBm);
1727 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1728 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1729 wkr, sizeof(*wkr), lock);
1731 wkr->len = le16_to_cpu(wkr->len);
1732 wkr->kindex = le16_to_cpu(wkr->kindex);
1733 wkr->klen = le16_to_cpu(wkr->klen);
1736 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1737 * the originals when we endian them... */
1738 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1740 WepKeyRid wkr = *pwkr;
1742 wkr.len = cpu_to_le16(wkr.len);
1743 wkr.kindex = cpu_to_le16(wkr.kindex);
1744 wkr.klen = cpu_to_le16(wkr.klen);
1745 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1746 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1748 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1750 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1756 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1758 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1760 ssidr->len = le16_to_cpu(ssidr->len);
1761 for(i = 0; i < 3; i++) {
1762 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1766 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1769 SsidRid ssidr = *pssidr;
1771 ssidr.len = cpu_to_le16(ssidr.len);
1772 for(i = 0; i < 3; i++) {
1773 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1775 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1778 static int readConfigRid(struct airo_info*ai, int lock) {
1786 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1790 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1792 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1793 *s = le16_to_cpu(*s);
1795 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1796 *s = le16_to_cpu(*s);
1798 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1799 *s = cpu_to_le16(*s);
1801 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1802 *s = cpu_to_le16(*s);
1807 static inline void checkThrottle(struct airo_info *ai) {
1809 /* Old hardware had a limit on encryption speed */
1810 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1811 for(i=0; i<8; i++) {
1812 if (ai->config.rates[i] > maxencrypt) {
1813 ai->config.rates[i] = 0;
1818 static int writeConfigRid(struct airo_info*ai, int lock) {
1822 if (!test_bit (FLAG_COMMIT, &ai->flags))
1825 clear_bit (FLAG_COMMIT, &ai->flags);
1826 clear_bit (FLAG_RESET, &ai->flags);
1830 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1831 set_bit(FLAG_ADHOC, &ai->flags);
1833 clear_bit(FLAG_ADHOC, &ai->flags);
1835 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1837 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1838 *s = cpu_to_le16(*s);
1840 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1841 *s = cpu_to_le16(*s);
1843 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1844 *s = cpu_to_le16(*s);
1846 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1847 *s = cpu_to_le16(*s);
1849 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1851 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1852 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1855 statr->len = le16_to_cpu(statr->len);
1856 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1858 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1859 *s = le16_to_cpu(*s);
1860 statr->load = le16_to_cpu(statr->load);
1861 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1864 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1865 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1866 aplr->len = le16_to_cpu(aplr->len);
1869 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1871 aplr->len = cpu_to_le16(aplr->len);
1872 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1875 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1876 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1879 capr->len = le16_to_cpu(capr->len);
1880 capr->prodNum = le16_to_cpu(capr->prodNum);
1881 capr->radioType = le16_to_cpu(capr->radioType);
1882 capr->country = le16_to_cpu(capr->country);
1883 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1884 *s = le16_to_cpu(*s);
1887 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1888 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1891 sr->len = le16_to_cpu(sr->len);
1892 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1896 static int airo_open(struct net_device *dev) {
1897 struct airo_info *info = dev->priv;
1900 if (test_bit(FLAG_FLASHING, &info->flags))
1903 /* Make sure the card is configured.
1904 * Wireless Extensions may postpone config changes until the card
1905 * is open (to pipeline changes and speed-up card setup). If
1906 * those changes are not yet commited, do it now - Jean II */
1907 if (test_bit (FLAG_COMMIT, &info->flags)) {
1908 disable_MAC(info, 1);
1909 writeConfigRid(info, 1);
1912 if (info->wifidev != dev) {
1913 /* Power on the MAC controller (which may have been disabled) */
1914 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1915 enable_interrupts(info);
1917 enable_MAC(info, &rsp, 1);
1919 netif_start_queue(dev);
1923 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1924 int npacks, pending;
1925 unsigned long flags;
1926 struct airo_info *ai = dev->priv;
1929 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1932 npacks = skb_queue_len (&ai->txq);
1934 if (npacks >= MAXTXQ - 1) {
1935 netif_stop_queue (dev);
1936 if (npacks > MAXTXQ) {
1937 ai->stats.tx_fifo_errors++;
1940 skb_queue_tail (&ai->txq, skb);
1944 spin_lock_irqsave(&ai->aux_lock, flags);
1945 skb_queue_tail (&ai->txq, skb);
1946 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1947 spin_unlock_irqrestore(&ai->aux_lock,flags);
1948 netif_wake_queue (dev);
1951 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1952 mpi_send_packet (dev);
1960 * Attempt to transmit a packet. Can be called from interrupt
1961 * or transmit . return number of packets we tried to send
1964 static int mpi_send_packet (struct net_device *dev)
1966 struct sk_buff *skb;
1967 unsigned char *buffer;
1968 s16 len, *payloadLen;
1969 struct airo_info *ai = dev->priv;
1972 /* get a packet to send */
1974 if ((skb = skb_dequeue(&ai->txq)) == 0) {
1975 airo_print_err(dev->name,
1976 "%s: Dequeue'd zero in send_packet()",
1981 /* check min length*/
1982 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1985 ai->txfids[0].tx_desc.offset = 0;
1986 ai->txfids[0].tx_desc.valid = 1;
1987 ai->txfids[0].tx_desc.eoc = 1;
1988 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1991 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1992 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1993 * is immediatly after it. ------------------------------------------------
1994 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1995 * ------------------------------------------------
1998 memcpy((char *)ai->txfids[0].virtual_host_addr,
1999 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2001 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2002 sizeof(wifictlhdr8023));
2003 sendbuf = ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023) + 2 ;
2007 * Firmware automaticly puts 802 header on so
2008 * we don't need to account for it in the length
2010 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2011 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2014 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2017 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2018 ai->txfids[0].tx_desc.len += sizeof(pMic);
2019 /* copy data into airo dma buffer */
2020 memcpy (sendbuf, buffer, sizeof(etherHead));
2021 buffer += sizeof(etherHead);
2022 sendbuf += sizeof(etherHead);
2023 memcpy (sendbuf, &pMic, sizeof(pMic));
2024 sendbuf += sizeof(pMic);
2025 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2029 dev->trans_start = jiffies;
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2038 OUT4500(ai, EVACK, 8);
2040 dev_kfree_skb_any(skb);
2044 static void get_tx_error(struct airo_info *ai, s32 fid)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2053 bap_read(ai, &status, 2, BAP0);
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 static void airo_end_xmit(struct net_device *dev) {
2098 struct airo_info *priv = dev->priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2103 clear_bit(JOB_XMIT, &priv->flags);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 if ( status == SUCCESS ) {
2110 dev->trans_start = jiffies;
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2113 priv->fids[fid] &= 0xffff;
2114 priv->stats.tx_window_errors++;
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2121 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2124 struct airo_info *priv = dev->priv;
2125 u32 *fids = priv->fids;
2127 if ( skb == NULL ) {
2128 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2132 /* Find a vacant FID */
2133 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2134 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2136 if ( j >= MAX_FIDS / 2 ) {
2137 netif_stop_queue(dev);
2139 if (i == MAX_FIDS / 2) {
2140 priv->stats.tx_fifo_errors++;
2144 /* check min length*/
2145 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2146 /* Mark fid as used & save length for later */
2147 fids[i] |= (len << 16);
2148 priv->xmit.skb = skb;
2150 if (down_trylock(&priv->sem) != 0) {
2151 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2152 netif_stop_queue(dev);
2153 set_bit(JOB_XMIT, &priv->flags);
2154 wake_up_interruptible(&priv->thr_wait);
2160 static void airo_end_xmit11(struct net_device *dev) {
2163 struct airo_info *priv = dev->priv;
2164 struct sk_buff *skb = priv->xmit11.skb;
2165 int fid = priv->xmit11.fid;
2166 u32 *fids = priv->fids;
2168 clear_bit(JOB_XMIT11, &priv->flags);
2169 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2170 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2174 if ( status == SUCCESS ) {
2175 dev->trans_start = jiffies;
2176 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2178 priv->fids[fid] &= 0xffff;
2179 priv->stats.tx_window_errors++;
2182 netif_wake_queue(dev);
2186 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2189 struct airo_info *priv = dev->priv;
2190 u32 *fids = priv->fids;
2192 if (test_bit(FLAG_MPI, &priv->flags)) {
2193 /* Not implemented yet for MPI350 */
2194 netif_stop_queue(dev);
2198 if ( skb == NULL ) {
2199 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2203 /* Find a vacant FID */
2204 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2205 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2207 if ( j >= MAX_FIDS ) {
2208 netif_stop_queue(dev);
2210 if (i == MAX_FIDS) {
2211 priv->stats.tx_fifo_errors++;
2215 /* check min length*/
2216 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2217 /* Mark fid as used & save length for later */
2218 fids[i] |= (len << 16);
2219 priv->xmit11.skb = skb;
2220 priv->xmit11.fid = i;
2221 if (down_trylock(&priv->sem) != 0) {
2222 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2223 netif_stop_queue(dev);
2224 set_bit(JOB_XMIT11, &priv->flags);
2225 wake_up_interruptible(&priv->thr_wait);
2227 airo_end_xmit11(dev);
2231 static void airo_read_stats(struct airo_info *ai) {
2233 u32 *vals = stats_rid.vals;
2235 clear_bit(JOB_STATS, &ai->flags);
2236 if (ai->power.event) {
2240 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2243 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2244 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2245 ai->stats.rx_bytes = vals[92];
2246 ai->stats.tx_bytes = vals[91];
2247 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2248 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2249 ai->stats.multicast = vals[43];
2250 ai->stats.collisions = vals[89];
2252 /* detailed rx_errors: */
2253 ai->stats.rx_length_errors = vals[3];
2254 ai->stats.rx_crc_errors = vals[4];
2255 ai->stats.rx_frame_errors = vals[2];
2256 ai->stats.rx_fifo_errors = vals[0];
2259 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2261 struct airo_info *local = dev->priv;
2263 if (!test_bit(JOB_STATS, &local->flags)) {
2264 /* Get stats out of the card if available */
2265 if (down_trylock(&local->sem) != 0) {
2266 set_bit(JOB_STATS, &local->flags);
2267 wake_up_interruptible(&local->thr_wait);
2269 airo_read_stats(local);
2272 return &local->stats;
2275 static void airo_set_promisc(struct airo_info *ai) {
2279 memset(&cmd, 0, sizeof(cmd));
2280 cmd.cmd=CMD_SETMODE;
2281 clear_bit(JOB_PROMISC, &ai->flags);
2282 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2283 issuecommand(ai, &cmd, &rsp);
2287 static void airo_set_multicast_list(struct net_device *dev) {
2288 struct airo_info *ai = dev->priv;
2290 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2291 change_bit(FLAG_PROMISC, &ai->flags);
2292 if (down_trylock(&ai->sem) != 0) {
2293 set_bit(JOB_PROMISC, &ai->flags);
2294 wake_up_interruptible(&ai->thr_wait);
2296 airo_set_promisc(ai);
2299 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2300 /* Turn on multicast. (Should be already setup...) */
2304 static int airo_set_mac_address(struct net_device *dev, void *p)
2306 struct airo_info *ai = dev->priv;
2307 struct sockaddr *addr = p;
2310 readConfigRid(ai, 1);
2311 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2312 set_bit (FLAG_COMMIT, &ai->flags);
2314 writeConfigRid (ai, 1);
2315 enable_MAC(ai, &rsp, 1);
2316 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2318 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2322 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2324 if ((new_mtu < 68) || (new_mtu > 2400))
2331 static int airo_close(struct net_device *dev) {
2332 struct airo_info *ai = dev->priv;
2334 netif_stop_queue(dev);
2336 if (ai->wifidev != dev) {
2337 #ifdef POWER_ON_DOWN
2338 /* Shut power to the card. The idea is that the user can save
2339 * power when he doesn't need the card with "ifconfig down".
2340 * That's the method that is most friendly towards the network
2341 * stack (i.e. the network stack won't try to broadcast
2342 * anything on the interface and routes are gone. Jean II */
2343 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2346 disable_interrupts( ai );
2351 static void del_airo_dev( struct net_device *dev );
2353 void stop_airo_card( struct net_device *dev, int freeres )
2355 struct airo_info *ai = dev->priv;
2357 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2359 disable_interrupts(ai);
2360 free_irq( dev->irq, dev );
2361 takedown_proc_entry( dev, ai );
2362 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2363 unregister_netdev( dev );
2365 unregister_netdev(ai->wifidev);
2366 free_netdev(ai->wifidev);
2369 clear_bit(FLAG_REGISTERED, &ai->flags);
2371 set_bit(JOB_DIE, &ai->flags);
2372 kill_proc(ai->thr_pid, SIGTERM, 1);
2373 wait_for_completion(&ai->thr_exited);
2376 * Clean out tx queue
2378 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2379 struct sk_buff *skb = NULL;
2380 for (;(skb = skb_dequeue(&ai->txq));)
2389 /* PCMCIA frees this stuff, so only for PCI and ISA */
2390 release_region( dev->base_addr, 64 );
2391 if (test_bit(FLAG_MPI, &ai->flags)) {
2393 mpi_unmap_card(ai->pci);
2395 iounmap(ai->pcimem);
2397 iounmap(ai->pciaux);
2398 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2399 ai->shared, ai->shared_dma);
2402 crypto_free_tfm(ai->tfm);
2403 del_airo_dev( dev );
2407 EXPORT_SYMBOL(stop_airo_card);
2409 static int add_airo_dev( struct net_device *dev );
2411 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2413 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2417 static void mpi_unmap_card(struct pci_dev *pci)
2419 unsigned long mem_start = pci_resource_start(pci, 1);
2420 unsigned long mem_len = pci_resource_len(pci, 1);
2421 unsigned long aux_start = pci_resource_start(pci, 2);
2422 unsigned long aux_len = AUXMEMSIZE;
2424 release_mem_region(aux_start, aux_len);
2425 release_mem_region(mem_start, mem_len);
2428 /*************************************************************
2429 * This routine assumes that descriptors have been setup .
2430 * Run at insmod time or after reset when the decriptors
2431 * have been initialized . Returns 0 if all is well nz
2432 * otherwise . Does not allocate memory but sets up card
2433 * using previously allocated descriptors.
2435 static int mpi_init_descriptors (struct airo_info *ai)
2442 /* Alloc card RX descriptors */
2443 netif_stop_queue(ai->dev);
2445 memset(&rsp,0,sizeof(rsp));
2446 memset(&cmd,0,sizeof(cmd));
2448 cmd.cmd = CMD_ALLOCATEAUX;
2450 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2451 cmd.parm2 = MPI_MAX_FIDS;
2452 rc=issuecommand(ai, &cmd, &rsp);
2453 if (rc != SUCCESS) {
2454 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2458 for (i=0; i<MPI_MAX_FIDS; i++) {
2459 memcpy_toio(ai->rxfids[i].card_ram_off,
2460 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2463 /* Alloc card TX descriptors */
2465 memset(&rsp,0,sizeof(rsp));
2466 memset(&cmd,0,sizeof(cmd));
2468 cmd.cmd = CMD_ALLOCATEAUX;
2470 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2471 cmd.parm2 = MPI_MAX_FIDS;
2473 for (i=0; i<MPI_MAX_FIDS; i++) {
2474 ai->txfids[i].tx_desc.valid = 1;
2475 memcpy_toio(ai->txfids[i].card_ram_off,
2476 &ai->txfids[i].tx_desc, sizeof(TxFid));
2478 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2480 rc=issuecommand(ai, &cmd, &rsp);
2481 if (rc != SUCCESS) {
2482 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2486 /* Alloc card Rid descriptor */
2487 memset(&rsp,0,sizeof(rsp));
2488 memset(&cmd,0,sizeof(cmd));
2490 cmd.cmd = CMD_ALLOCATEAUX;
2492 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2493 cmd.parm2 = 1; /* Magic number... */
2494 rc=issuecommand(ai, &cmd, &rsp);
2495 if (rc != SUCCESS) {
2496 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2500 memcpy_toio(ai->config_desc.card_ram_off,
2501 &ai->config_desc.rid_desc, sizeof(Rid));
2507 * We are setting up three things here:
2508 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2509 * 2) Map PCI memory for issueing commands.
2510 * 3) Allocate memory (shared) to send and receive ethernet frames.
2512 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2515 unsigned long mem_start, mem_len, aux_start, aux_len;
2518 dma_addr_t busaddroff;
2519 unsigned char *vpackoff;
2520 unsigned char __iomem *pciaddroff;
2522 mem_start = pci_resource_start(pci, 1);
2523 mem_len = pci_resource_len(pci, 1);
2524 aux_start = pci_resource_start(pci, 2);
2525 aux_len = AUXMEMSIZE;
2527 if (!request_mem_region(mem_start, mem_len, name)) {
2528 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2529 (int)mem_start, (int)mem_len, name);
2532 if (!request_mem_region(aux_start, aux_len, name)) {
2533 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2534 (int)aux_start, (int)aux_len, name);
2538 ai->pcimem = ioremap(mem_start, mem_len);
2540 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2541 (int)mem_start, (int)mem_len, name);
2544 ai->pciaux = ioremap(aux_start, aux_len);
2546 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2547 (int)aux_start, (int)aux_len, name);
2551 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2552 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2554 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2560 * Setup descriptor RX, TX, CONFIG
2562 busaddroff = ai->shared_dma;
2563 pciaddroff = ai->pciaux + AUX_OFFSET;
2564 vpackoff = ai->shared;
2566 /* RX descriptor setup */
2567 for(i = 0; i < MPI_MAX_FIDS; i++) {
2568 ai->rxfids[i].pending = 0;
2569 ai->rxfids[i].card_ram_off = pciaddroff;
2570 ai->rxfids[i].virtual_host_addr = vpackoff;
2571 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2572 ai->rxfids[i].rx_desc.valid = 1;
2573 ai->rxfids[i].rx_desc.len = PKTSIZE;
2574 ai->rxfids[i].rx_desc.rdy = 0;
2576 pciaddroff += sizeof(RxFid);
2577 busaddroff += PKTSIZE;
2578 vpackoff += PKTSIZE;
2581 /* TX descriptor setup */
2582 for(i = 0; i < MPI_MAX_FIDS; i++) {
2583 ai->txfids[i].card_ram_off = pciaddroff;
2584 ai->txfids[i].virtual_host_addr = vpackoff;
2585 ai->txfids[i].tx_desc.valid = 1;
2586 ai->txfids[i].tx_desc.host_addr = busaddroff;
2587 memcpy(ai->txfids[i].virtual_host_addr,
2588 &wifictlhdr8023, sizeof(wifictlhdr8023));
2590 pciaddroff += sizeof(TxFid);
2591 busaddroff += PKTSIZE;
2592 vpackoff += PKTSIZE;
2594 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2596 /* Rid descriptor setup */
2597 ai->config_desc.card_ram_off = pciaddroff;
2598 ai->config_desc.virtual_host_addr = vpackoff;
2599 ai->config_desc.rid_desc.host_addr = busaddroff;
2600 ai->ridbus = busaddroff;
2601 ai->config_desc.rid_desc.rid = 0;
2602 ai->config_desc.rid_desc.len = RIDSIZE;
2603 ai->config_desc.rid_desc.valid = 1;
2604 pciaddroff += sizeof(Rid);
2605 busaddroff += RIDSIZE;
2606 vpackoff += RIDSIZE;
2608 /* Tell card about descriptors */
2609 if (mpi_init_descriptors (ai) != SUCCESS)
2614 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2616 iounmap(ai->pciaux);
2618 iounmap(ai->pcimem);
2620 release_mem_region(aux_start, aux_len);
2622 release_mem_region(mem_start, mem_len);
2627 static void wifi_setup(struct net_device *dev)
2629 dev->hard_header = NULL;
2630 dev->rebuild_header = NULL;
2631 dev->hard_header_cache = NULL;
2632 dev->header_cache_update= NULL;
2634 dev->hard_header_parse = wll_header_parse;
2635 dev->hard_start_xmit = &airo_start_xmit11;
2636 dev->get_stats = &airo_get_stats;
2637 dev->set_mac_address = &airo_set_mac_address;
2638 dev->do_ioctl = &airo_ioctl;
2639 dev->wireless_handlers = &airo_handler_def;
2640 dev->change_mtu = &airo_change_mtu;
2641 dev->open = &airo_open;
2642 dev->stop = &airo_close;
2644 dev->type = ARPHRD_IEEE80211;
2645 dev->hard_header_len = ETH_HLEN;
2646 dev->mtu = AIRO_DEF_MTU;
2647 dev->addr_len = ETH_ALEN;
2648 dev->tx_queue_len = 100;
2650 memset(dev->broadcast,0xFF, ETH_ALEN);
2652 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2655 static struct net_device *init_wifidev(struct airo_info *ai,
2656 struct net_device *ethdev)
2659 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2662 dev->priv = ethdev->priv;
2663 dev->irq = ethdev->irq;
2664 dev->base_addr = ethdev->base_addr;
2665 dev->wireless_data = ethdev->wireless_data;
2666 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2667 err = register_netdev(dev);
2675 static int reset_card( struct net_device *dev , int lock) {
2676 struct airo_info *ai = dev->priv;
2678 if (lock && down_interruptible(&ai->sem))
2681 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2690 static struct net_device *_init_airo_card( unsigned short irq, int port,
2691 int is_pcmcia, struct pci_dev *pci,
2692 struct device *dmdev )
2694 struct net_device *dev;
2695 struct airo_info *ai;
2698 /* Create the network device object. */
2699 dev = alloc_etherdev(sizeof(*ai));
2701 airo_print_err("", "Couldn't alloc_etherdev");
2704 if (dev_alloc_name(dev, dev->name) < 0) {
2705 airo_print_err("", "Couldn't get name!");
2713 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2714 airo_print_dbg(dev->name, "Found an MPI350 card");
2715 set_bit(FLAG_MPI, &ai->flags);
2717 spin_lock_init(&ai->aux_lock);
2718 sema_init(&ai->sem, 1);
2721 init_waitqueue_head (&ai->thr_wait);
2722 init_completion (&ai->thr_exited);
2723 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2724 if (ai->thr_pid < 0)
2727 rc = add_airo_dev( dev );
2731 /* The Airo-specific entries in the device structure. */
2732 if (test_bit(FLAG_MPI,&ai->flags)) {
2733 skb_queue_head_init (&ai->txq);
2734 dev->hard_start_xmit = &mpi_start_xmit;
2736 dev->hard_start_xmit = &airo_start_xmit;
2737 dev->get_stats = &airo_get_stats;
2738 dev->set_multicast_list = &airo_set_multicast_list;
2739 dev->set_mac_address = &airo_set_mac_address;
2740 dev->do_ioctl = &airo_ioctl;
2741 dev->wireless_handlers = &airo_handler_def;
2742 ai->wireless_data.spy_data = &ai->spy_data;
2743 dev->wireless_data = &ai->wireless_data;
2744 dev->change_mtu = &airo_change_mtu;
2745 dev->open = &airo_open;
2746 dev->stop = &airo_close;
2748 dev->base_addr = port;
2750 SET_NETDEV_DEV(dev, dmdev);
2753 reset_card (dev, 1);
2756 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2758 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2760 goto err_out_unlink;
2763 if (!request_region( dev->base_addr, 64, dev->name )) {
2765 airo_print_err(dev->name, "Couldn't request region");
2770 if (test_bit(FLAG_MPI,&ai->flags)) {
2771 if (mpi_map_card(ai, pci, dev->name)) {
2772 airo_print_err(dev->name, "Could not map memory");
2778 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2779 airo_print_err(dev->name, "MAC could not be enabled" );
2783 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2784 ai->bap_read = fast_bap_read;
2785 set_bit(FLAG_FLASHING, &ai->flags);
2788 rc = register_netdev(dev);
2790 airo_print_err(dev->name, "Couldn't register_netdev");
2793 ai->wifidev = init_wifidev(ai, dev);
2795 set_bit(FLAG_REGISTERED,&ai->flags);
2796 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2797 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2798 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2800 /* Allocate the transmit buffers */
2801 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2802 for( i = 0; i < MAX_FIDS; i++ )
2803 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2805 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2806 netif_start_queue(dev);
2807 SET_MODULE_OWNER(dev);
2811 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2812 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2813 iounmap(ai->pciaux);
2814 iounmap(ai->pcimem);
2815 mpi_unmap_card(ai->pci);
2819 release_region( dev->base_addr, 64 );
2821 free_irq(dev->irq, dev);
2825 set_bit(JOB_DIE, &ai->flags);
2826 kill_proc(ai->thr_pid, SIGTERM, 1);
2827 wait_for_completion(&ai->thr_exited);
2833 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2834 struct device *dmdev)
2836 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2839 EXPORT_SYMBOL(init_airo_card);
2841 static int waitbusy (struct airo_info *ai) {
2843 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2845 if ((++delay % 20) == 0)
2846 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2848 return delay < 10000;
2851 int reset_airo_card( struct net_device *dev )
2854 struct airo_info *ai = dev->priv;
2856 if (reset_card (dev, 1))
2859 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2860 airo_print_err(dev->name, "MAC could not be enabled");
2863 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2864 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2865 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2866 /* Allocate the transmit buffers if needed */
2867 if (!test_bit(FLAG_MPI,&ai->flags))
2868 for( i = 0; i < MAX_FIDS; i++ )
2869 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2871 enable_interrupts( ai );
2872 netif_wake_queue(dev);
2876 EXPORT_SYMBOL(reset_airo_card);
2878 static void airo_send_event(struct net_device *dev) {
2879 struct airo_info *ai = dev->priv;
2880 union iwreq_data wrqu;
2881 StatusRid status_rid;
2883 clear_bit(JOB_EVENT, &ai->flags);
2884 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2886 wrqu.data.length = 0;
2887 wrqu.data.flags = 0;
2888 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2889 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2891 /* Send event to user space */
2892 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2895 static int airo_thread(void *data) {
2896 struct net_device *dev = data;
2897 struct airo_info *ai = dev->priv;
2900 daemonize("%s", dev->name);
2901 allow_signal(SIGTERM);
2904 if (signal_pending(current))
2905 flush_signals(current);
2907 /* make swsusp happy with our thread */
2910 if (test_bit(JOB_DIE, &ai->flags))
2913 if (ai->flags & JOB_MASK) {
2914 locked = down_interruptible(&ai->sem);
2918 init_waitqueue_entry(&wait, current);
2919 add_wait_queue(&ai->thr_wait, &wait);
2921 set_current_state(TASK_INTERRUPTIBLE);
2922 if (ai->flags & JOB_MASK)
2925 if (time_after_eq(jiffies,ai->expires)){
2926 set_bit(JOB_AUTOWEP,&ai->flags);
2929 if (!signal_pending(current)) {
2930 schedule_timeout(ai->expires - jiffies);
2933 } else if (!signal_pending(current)) {
2939 current->state = TASK_RUNNING;
2940 remove_wait_queue(&ai->thr_wait, &wait);
2947 if (test_bit(JOB_DIE, &ai->flags)) {
2952 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2957 if (test_bit(JOB_XMIT, &ai->flags))
2959 else if (test_bit(JOB_XMIT11, &ai->flags))
2960 airo_end_xmit11(dev);
2961 else if (test_bit(JOB_STATS, &ai->flags))
2962 airo_read_stats(ai);
2963 else if (test_bit(JOB_WSTATS, &ai->flags))
2964 airo_read_wireless_stats(ai);
2965 else if (test_bit(JOB_PROMISC, &ai->flags))
2966 airo_set_promisc(ai);
2967 else if (test_bit(JOB_MIC, &ai->flags))
2969 else if (test_bit(JOB_EVENT, &ai->flags))
2970 airo_send_event(dev);
2971 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2974 complete_and_exit (&ai->thr_exited, 0);
2977 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2978 struct net_device *dev = (struct net_device *)dev_id;
2981 struct airo_info *apriv = dev->priv;
2982 u16 savedInterrupts = 0;
2985 if (!netif_device_present(dev))
2989 status = IN4500( apriv, EVSTAT );
2990 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
2994 if ( status & EV_AWAKE ) {
2995 OUT4500( apriv, EVACK, EV_AWAKE );
2996 OUT4500( apriv, EVACK, EV_AWAKE );
2999 if (!savedInterrupts) {
3000 savedInterrupts = IN4500( apriv, EVINTEN );
3001 OUT4500( apriv, EVINTEN, 0 );
3004 if ( status & EV_MIC ) {
3005 OUT4500( apriv, EVACK, EV_MIC );
3006 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3007 set_bit(JOB_MIC, &apriv->flags);
3008 wake_up_interruptible(&apriv->thr_wait);
3011 if ( status & EV_LINK ) {
3012 union iwreq_data wrqu;
3013 /* The link status has changed, if you want to put a
3014 monitor hook in, do it here. (Remember that
3015 interrupts are still disabled!)
3017 u16 newStatus = IN4500(apriv, LINKSTAT);
3018 OUT4500( apriv, EVACK, EV_LINK);
3019 /* Here is what newStatus means: */
3020 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3021 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3022 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3023 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3024 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3025 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3026 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3027 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3029 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3031 #define ASSOCIATED 0x0400 /* Assocatied */
3032 #define RC_RESERVED 0 /* Reserved return code */
3033 #define RC_NOREASON 1 /* Unspecified reason */
3034 #define RC_AUTHINV 2 /* Previous authentication invalid */
3035 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3037 #define RC_NOACT 4 /* Disassociated due to inactivity */
3038 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3039 all currently associated stations */
3040 #define RC_BADCLASS2 6 /* Class 2 frame received from
3041 non-Authenticated station */
3042 #define RC_BADCLASS3 7 /* Class 3 frame received from
3043 non-Associated station */
3044 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3046 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3047 Authenticated with the responding station */
3048 if (newStatus != ASSOCIATED) {
3049 if (auto_wep && !apriv->expires) {
3050 apriv->expires = RUN_AT(3*HZ);
3051 wake_up_interruptible(&apriv->thr_wait);
3054 struct task_struct *task = apriv->task;
3058 wake_up_process (task);
3059 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3060 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3062 /* Question : is ASSOCIATED the only status
3063 * that is valid ? We want to catch handover
3064 * and reassociations as valid status
3066 if(newStatus == ASSOCIATED) {
3067 if (apriv->scan_timestamp) {
3068 /* Send an empty event to user space.
3069 * We don't send the received data on
3070 * the event because it would require
3071 * us to do complex transcoding, and
3072 * we want to minimise the work done in
3073 * the irq handler. Use a request to
3074 * extract the data - Jean II */
3075 wrqu.data.length = 0;
3076 wrqu.data.flags = 0;
3077 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3078 apriv->scan_timestamp = 0;
3080 if (down_trylock(&apriv->sem) != 0) {
3081 set_bit(JOB_EVENT, &apriv->flags);
3082 wake_up_interruptible(&apriv->thr_wait);
3084 airo_send_event(dev);
3086 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3087 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3089 /* Send event to user space */
3090 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3094 /* Check to see if there is something to receive */
3095 if ( status & EV_RX ) {
3096 struct sk_buff *skb = NULL;
3097 u16 fc, len, hdrlen = 0;
3111 if (test_bit(FLAG_MPI,&apriv->flags)) {
3112 if (test_bit(FLAG_802_11, &apriv->flags))
3113 mpi_receive_802_11(apriv);
3115 mpi_receive_802_3(apriv);
3116 OUT4500(apriv, EVACK, EV_RX);
3120 fid = IN4500( apriv, RXFID );
3122 /* Get the packet length */
3123 if (test_bit(FLAG_802_11, &apriv->flags)) {
3124 bap_setup (apriv, fid, 4, BAP0);
3125 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3126 /* Bad CRC. Ignore packet */
3127 if (le16_to_cpu(hdr.status) & 2)
3129 if (apriv->wifidev == NULL)
3132 bap_setup (apriv, fid, 0x36, BAP0);
3133 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3135 len = le16_to_cpu(hdr.len);
3137 if (len > AIRO_DEF_MTU) {
3138 airo_print_err(apriv->dev->name, "Bad size %d", len);
3144 if (test_bit(FLAG_802_11, &apriv->flags)) {
3145 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3146 fc = le16_to_cpu(fc);
3149 if ((fc & 0xe0) == 0xc0)
3155 if ((fc&0x300)==0x300){
3163 hdrlen = ETH_ALEN * 2;
3165 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3167 apriv->stats.rx_dropped++;
3170 skb_reserve(skb, 2); /* This way the IP header is aligned */
3171 buffer = (u16*)skb_put (skb, len + hdrlen);
3172 if (test_bit(FLAG_802_11, &apriv->flags)) {
3174 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3176 bap_read (apriv, tmpbuf, 6, BAP0);
3178 bap_read (apriv, &gap, sizeof(gap), BAP0);
3179 gap = le16_to_cpu(gap);
3182 bap_read (apriv, tmpbuf, gap, BAP0);
3184 airo_print_err(apriv->dev->name, "gaplen too "
3185 "big. Problems will follow...");
3188 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3191 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3192 if (apriv->micstats.enabled) {
3193 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3194 if (ntohs(micbuf.typelen) > 0x05DC)
3195 bap_setup (apriv, fid, 0x44, BAP0);
3197 if (len <= sizeof(micbuf))
3200 len -= sizeof(micbuf);
3201 skb_trim (skb, len + hdrlen);
3204 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3205 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3207 dev_kfree_skb_irq (skb);
3209 OUT4500( apriv, EVACK, EV_RX);
3214 if (apriv->spy_data.spy_number > 0) {
3216 struct iw_quality wstats;
3217 /* Prepare spy data : addr + qual */
3218 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3219 sa = (char*)buffer + 6;
3220 bap_setup (apriv, fid, 8, BAP0);
3221 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3223 sa = (char*)buffer + 10;
3224 wstats.qual = hdr.rssi[0];
3226 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3228 wstats.level = (hdr.rssi[1] + 321) / 2;
3229 wstats.noise = apriv->wstats.qual.noise;
3230 wstats.updated = IW_QUAL_LEVEL_UPDATED
3231 | IW_QUAL_QUAL_UPDATED
3233 /* Update spy records */
3234 wireless_spy_update(dev, sa, &wstats);
3236 #endif /* WIRELESS_SPY */
3237 OUT4500( apriv, EVACK, EV_RX);
3239 if (test_bit(FLAG_802_11, &apriv->flags)) {
3240 skb->mac.raw = skb->data;
3241 skb->pkt_type = PACKET_OTHERHOST;
3242 skb->dev = apriv->wifidev;
3243 skb->protocol = htons(ETH_P_802_2);
3246 skb->protocol = eth_type_trans(skb,dev);
3248 skb->dev->last_rx = jiffies;
3249 skb->ip_summed = CHECKSUM_NONE;
3255 /* Check to see if a packet has been transmitted */
3256 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3261 if (test_bit(FLAG_MPI,&apriv->flags)) {
3262 unsigned long flags;
3264 if (status & EV_TXEXC)
3265 get_tx_error(apriv, -1);
3266 spin_lock_irqsave(&apriv->aux_lock, flags);
3267 if (!skb_queue_empty(&apriv->txq)) {
3268 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3269 mpi_send_packet (dev);
3271 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3272 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3273 netif_wake_queue (dev);
3275 OUT4500( apriv, EVACK,
3276 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3280 fid = IN4500(apriv, TXCOMPLFID);
3282 for( i = 0; i < MAX_FIDS; i++ ) {
3283 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3284 len = apriv->fids[i] >> 16;
3289 if (status & EV_TXEXC)
3290 get_tx_error(apriv, index);
3291 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3292 /* Set up to be used again */
3293 apriv->fids[index] &= 0xffff;
3294 if (index < MAX_FIDS / 2) {
3295 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3296 netif_wake_queue(dev);
3298 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3299 netif_wake_queue(apriv->wifidev);
3302 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3303 airo_print_err(apriv->dev->name, "Unallocated FID was "
3308 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3309 airo_print_warn(apriv->dev->name, "Got weird status %x",
3310 status & ~STATUS_INTS & ~IGNORE_INTS );
3313 if (savedInterrupts)
3314 OUT4500( apriv, EVINTEN, savedInterrupts );
3317 return IRQ_RETVAL(handled);
3321 * Routines to talk to the card
3325 * This was originally written for the 4500, hence the name
3326 * NOTE: If use with 8bit mode and SMP bad things will happen!
3327 * Why would some one do 8 bit IO in an SMP machine?!?
3329 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3330 if (test_bit(FLAG_MPI,&ai->flags))
3333 outw( val, ai->dev->base_addr + reg );
3335 outb( val & 0xff, ai->dev->base_addr + reg );
3336 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3340 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3343 if (test_bit(FLAG_MPI,&ai->flags))
3346 rc = inw( ai->dev->base_addr + reg );
3348 rc = inb( ai->dev->base_addr + reg );
3349 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3354 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3358 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3359 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3360 * Note : we could try to use !netif_running(dev) in enable_MAC()
3361 * instead of this flag, but I don't trust it *within* the
3362 * open/close functions, and testing both flags together is
3363 * "cheaper" - Jean II */
3364 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3366 if (lock && down_interruptible(&ai->sem))
3367 return -ERESTARTSYS;
3369 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3370 memset(&cmd, 0, sizeof(cmd));
3371 cmd.cmd = MAC_ENABLE;
3372 rc = issuecommand(ai, &cmd, rsp);
3374 set_bit(FLAG_ENABLED, &ai->flags);
3382 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3387 static void disable_MAC( struct airo_info *ai, int lock ) {
3391 if (lock && down_interruptible(&ai->sem))
3394 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3395 memset(&cmd, 0, sizeof(cmd));
3396 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3397 issuecommand(ai, &cmd, &rsp);
3398 clear_bit(FLAG_ENABLED, &ai->flags);
3404 static void enable_interrupts( struct airo_info *ai ) {
3405 /* Enable the interrupts */
3406 OUT4500( ai, EVINTEN, STATUS_INTS );
3409 static void disable_interrupts( struct airo_info *ai ) {
3410 OUT4500( ai, EVINTEN, 0 );
3413 static void mpi_receive_802_3(struct airo_info *ai)
3417 struct sk_buff *skb;
3422 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3423 /* Make sure we got something */
3424 if (rxd.rdy && rxd.valid == 0) {
3426 if (len < 12 || len > 2048)
3429 skb = dev_alloc_skb(len);
3431 ai->stats.rx_dropped++;
3434 buffer = skb_put(skb,len);
3435 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3436 if (ai->micstats.enabled) {
3438 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3440 if (ntohs(micbuf.typelen) <= 0x05DC) {
3441 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3444 off = sizeof(micbuf);
3445 skb_trim (skb, len - off);
3448 memcpy(buffer + ETH_ALEN * 2,
3449 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3450 len - ETH_ALEN * 2 - off);
3451 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3453 dev_kfree_skb_irq (skb);
3457 if (ai->spy_data.spy_number > 0) {
3459 struct iw_quality wstats;
3460 /* Prepare spy data : addr + qual */
3461 sa = buffer + ETH_ALEN;
3462 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3465 /* Update spy records */
3466 wireless_spy_update(ai->dev, sa, &wstats);
3468 #endif /* WIRELESS_SPY */
3471 skb->ip_summed = CHECKSUM_NONE;
3472 skb->protocol = eth_type_trans(skb, ai->dev);
3473 skb->dev->last_rx = jiffies;
3477 if (rxd.valid == 0) {
3481 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3485 void mpi_receive_802_11 (struct airo_info *ai)
3488 struct sk_buff *skb = NULL;
3489 u16 fc, len, hdrlen = 0;
3501 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3503 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3504 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3506 /* Bad CRC. Ignore packet */
3507 if (le16_to_cpu(hdr.status) & 2)
3509 if (ai->wifidev == NULL)
3511 len = le16_to_cpu(hdr.len);
3512 if (len > AIRO_DEF_MTU) {
3513 airo_print_err(ai->dev->name, "Bad size %d", len);
3519 memcpy ((char *)&fc, ptr, sizeof(fc));
3520 fc = le16_to_cpu(fc);
3523 if ((fc & 0xe0) == 0xc0)
3529 if ((fc&0x300)==0x300){
3537 skb = dev_alloc_skb( len + hdrlen + 2 );
3539 ai->stats.rx_dropped++;
3542 buffer = (u16*)skb_put (skb, len + hdrlen);
3543 memcpy ((char *)buffer, ptr, hdrlen);
3547 memcpy ((char *)&gap, ptr, sizeof(gap));
3549 gap = le16_to_cpu(gap);
3554 airo_print_err(ai->dev->name,
3555 "gaplen too big. Problems will follow...");
3557 memcpy ((char *)buffer + hdrlen, ptr, len);
3559 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3560 if (ai->spy_data.spy_number > 0) {
3562 struct iw_quality wstats;
3563 /* Prepare spy data : addr + qual */
3564 sa = (char*)buffer + 10;
3565 wstats.qual = hdr.rssi[0];
3567 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3569 wstats.level = (hdr.rssi[1] + 321) / 2;
3570 wstats.noise = ai->wstats.qual.noise;
3571 wstats.updated = IW_QUAL_QUAL_UPDATED
3572 | IW_QUAL_LEVEL_UPDATED
3574 /* Update spy records */
3575 wireless_spy_update(ai->dev, sa, &wstats);
3577 #endif /* IW_WIRELESS_SPY */
3578 skb->mac.raw = skb->data;
3579 skb->pkt_type = PACKET_OTHERHOST;
3580 skb->dev = ai->wifidev;
3581 skb->protocol = htons(ETH_P_802_2);
3582 skb->dev->last_rx = jiffies;
3583 skb->ip_summed = CHECKSUM_NONE;
3586 if (rxd.valid == 0) {
3590 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3594 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3605 memset( &mySsid, 0, sizeof( mySsid ) );
3609 /* The NOP is the first step in getting the card going */
3611 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3612 if (lock && down_interruptible(&ai->sem))
3614 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3619 disable_MAC( ai, 0);
3621 // Let's figure out if we need to use the AUX port
3622 if (!test_bit(FLAG_MPI,&ai->flags)) {
3623 cmd.cmd = CMD_ENABLEAUX;
3624 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3627 airo_print_err(ai->dev->name, "Error checking for AUX port");
3630 if (!aux_bap || rsp.status & 0xff00) {
3631 ai->bap_read = fast_bap_read;
3632 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3634 ai->bap_read = aux_bap_read;
3635 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3640 if (ai->config.len == 0) {
3641 tdsRssiRid rssi_rid;
3642 CapabilityRid cap_rid;
3648 // general configuration (read/modify/write)
3649 status = readConfigRid(ai, lock);
3650 if ( status != SUCCESS ) return ERROR;
3652 status = readCapabilityRid(ai, &cap_rid, lock);
3653 if ( status != SUCCESS ) return ERROR;
3655 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3656 if ( status == SUCCESS ) {
3657 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3658 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3663 if (cap_rid.softCap & 8)
3664 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3666 airo_print_warn(ai->dev->name, "unknown received signal "
3669 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3670 ai->config.authType = AUTH_OPEN;
3671 ai->config.modulation = MOD_CCK;
3673 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3674 (micsetup(ai) == SUCCESS)) {
3675 ai->config.opmode |= MODE_MIC;
3676 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3679 /* Save off the MAC */
3680 for( i = 0; i < ETH_ALEN; i++ ) {
3681 mac[i] = ai->config.macAddr[i];
3684 /* Check to see if there are any insmod configured
3688 memset(ai->config.rates,0,sizeof(ai->config.rates));
3689 for( i = 0; i < 8 && rates[i]; i++ ) {
3690 ai->config.rates[i] = rates[i];
3693 if ( basic_rate > 0 ) {
3695 for( i = 0; i < 8; i++ ) {
3696 if ( ai->config.rates[i] == basic_rate ||
3697 !ai->config.rates ) {
3698 ai->config.rates[i] = basic_rate | 0x80;
3703 set_bit (FLAG_COMMIT, &ai->flags);
3706 /* Setup the SSIDs if present */
3709 for( i = 0; i < 3 && ssids[i]; i++ ) {
3710 mySsid.ssids[i].len = strlen(ssids[i]);
3711 if ( mySsid.ssids[i].len > 32 )
3712 mySsid.ssids[i].len = 32;
3713 memcpy(mySsid.ssids[i].ssid, ssids[i],
3714 mySsid.ssids[i].len);
3716 mySsid.len = sizeof(mySsid);
3719 status = writeConfigRid(ai, lock);
3720 if ( status != SUCCESS ) return ERROR;
3722 /* Set up the SSID list */
3724 status = writeSsidRid(ai, &mySsid, lock);
3725 if ( status != SUCCESS ) return ERROR;
3728 status = enable_MAC(ai, &rsp, lock);
3729 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3730 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3731 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3735 /* Grab the initial wep key, we gotta save it for auto_wep */
3736 rc = readWepKeyRid(ai, &wkr, 1, lock);
3737 if (rc == SUCCESS) do {
3738 lastindex = wkr.kindex;
3739 if (wkr.kindex == 0xffff) {
3740 ai->defindex = wkr.mac[0];
3742 rc = readWepKeyRid(ai, &wkr, 0, lock);
3743 } while(lastindex != wkr.kindex);
3746 ai->expires = RUN_AT(3*HZ);
3747 wake_up_interruptible(&ai->thr_wait);
3753 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3754 // Im really paranoid about letting it run forever!
3755 int max_tries = 600000;
3757 if (IN4500(ai, EVSTAT) & EV_CMD)
3758 OUT4500(ai, EVACK, EV_CMD);
3760 OUT4500(ai, PARAM0, pCmd->parm0);
3761 OUT4500(ai, PARAM1, pCmd->parm1);
3762 OUT4500(ai, PARAM2, pCmd->parm2);
3763 OUT4500(ai, COMMAND, pCmd->cmd);
3765 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3766 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3767 // PC4500 didn't notice command, try again
3768 OUT4500(ai, COMMAND, pCmd->cmd);
3769 if (!in_atomic() && (max_tries & 255) == 0)
3773 if ( max_tries == -1 ) {
3774 airo_print_err(ai->dev->name,
3775 "Max tries exceeded when issueing command");
3776 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3777 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3781 // command completed
3782 pRsp->status = IN4500(ai, STATUS);
3783 pRsp->rsp0 = IN4500(ai, RESP0);
3784 pRsp->rsp1 = IN4500(ai, RESP1);
3785 pRsp->rsp2 = IN4500(ai, RESP2);
3786 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3787 airo_print_err(ai->dev->name, "cmd= %x\n", pCmd->cmd);
3788 airo_print_err(ai->dev->name, "status= %x\n", pRsp->status);
3789 airo_print_err(ai->dev->name, "Rsp0= %x\n", pRsp->rsp0);
3790 airo_print_err(ai->dev->name, "Rsp1= %x\n", pRsp->rsp1);
3791 airo_print_err(ai->dev->name, "Rsp2= %x\n", pRsp->rsp2);
3794 // clear stuck command busy if necessary
3795 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3796 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3798 // acknowledge processing the status/response
3799 OUT4500(ai, EVACK, EV_CMD);
3804 /* Sets up the bap to start exchange data. whichbap should
3805 * be one of the BAP0 or BAP1 defines. Locks should be held before
3807 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3812 OUT4500(ai, SELECT0+whichbap, rid);
3813 OUT4500(ai, OFFSET0+whichbap, offset);
3815 int status = IN4500(ai, OFFSET0+whichbap);
3816 if (status & BAP_BUSY) {
3817 /* This isn't really a timeout, but its kinda
3822 } else if ( status & BAP_ERR ) {
3823 /* invalid rid or offset */
3824 airo_print_err(ai->dev->name, "BAP error %x %d",
3827 } else if (status & BAP_DONE) { // success
3830 if ( !(max_tries--) ) {
3831 airo_print_err(ai->dev->name,
3832 "airo: BAP setup error too many retries\n");
3835 // -- PC4500 missed it, try again
3836 OUT4500(ai, SELECT0+whichbap, rid);
3837 OUT4500(ai, OFFSET0+whichbap, offset);
3842 /* should only be called by aux_bap_read. This aux function and the
3843 following use concepts not documented in the developers guide. I
3844 got them from a patch given to my by Aironet */
3845 static u16 aux_setup(struct airo_info *ai, u16 page,
3846 u16 offset, u16 *len)
3850 OUT4500(ai, AUXPAGE, page);
3851 OUT4500(ai, AUXOFF, 0);
3852 next = IN4500(ai, AUXDATA);
3853 *len = IN4500(ai, AUXDATA)&0xff;
3854 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3858 /* requires call to bap_setup() first */
3859 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3860 int bytelen, int whichbap)
3868 unsigned long flags;
3870 spin_lock_irqsave(&ai->aux_lock, flags);
3871 page = IN4500(ai, SWS0+whichbap);
3872 offset = IN4500(ai, SWS2+whichbap);
3873 next = aux_setup(ai, page, offset, &len);
3874 words = (bytelen+1)>>1;
3876 for (i=0; i<words;) {
3878 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3880 insw( ai->dev->base_addr+DATA0+whichbap,
3883 insb( ai->dev->base_addr+DATA0+whichbap,
3884 pu16Dst+i, count << 1 );
3887 next = aux_setup(ai, next, 4, &len);
3890 spin_unlock_irqrestore(&ai->aux_lock, flags);
3895 /* requires call to bap_setup() first */
3896 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3897 int bytelen, int whichbap)
3899 bytelen = (bytelen + 1) & (~1); // round up to even value
3901 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3903 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3907 /* requires call to bap_setup() first */
3908 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3909 int bytelen, int whichbap)
3911 bytelen = (bytelen + 1) & (~1); // round up to even value
3913 outsw( ai->dev->base_addr+DATA0+whichbap,
3914 pu16Src, bytelen>>1 );
3916 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3920 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3922 Cmd cmd; /* for issuing commands */
3923 Resp rsp; /* response from commands */
3926 memset(&cmd, 0, sizeof(cmd));
3929 status = issuecommand(ai, &cmd, &rsp);
3930 if (status != 0) return status;
3931 if ( (rsp.status & 0x7F00) != 0) {
3932 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3937 /* Note, that we are using BAP1 which is also used by transmit, so
3938 * we must get a lock. */
3939 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3945 if (down_interruptible(&ai->sem))
3948 if (test_bit(FLAG_MPI,&ai->flags)) {
3952 memset(&cmd, 0, sizeof(cmd));
3953 memset(&rsp, 0, sizeof(rsp));
3954 ai->config_desc.rid_desc.valid = 1;
3955 ai->config_desc.rid_desc.len = RIDSIZE;
3956 ai->config_desc.rid_desc.rid = 0;
3957 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3959 cmd.cmd = CMD_ACCESS;
3962 memcpy_toio(ai->config_desc.card_ram_off,
3963 &ai->config_desc.rid_desc, sizeof(Rid));
3965 rc = issuecommand(ai, &cmd, &rsp);
3967 if (rsp.status & 0x7f00)
3970 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
3973 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
3977 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
3981 // read the rid length field
3982 bap_read(ai, pBuf, 2, BAP1);
3983 // length for remaining part of rid
3984 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
3987 airo_print_err(ai->dev->name,
3988 "Rid %x has a length of %d which is too short",
3989 (int)rid, (int)len );
3993 // read remainder of the rid
3994 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4002 /* Note, that we are using BAP1 which is also used by transmit, so
4003 * make sure this isnt called when a transmit is happening */
4004 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4005 const void *pBuf, int len, int lock)
4010 *(u16*)pBuf = cpu_to_le16((u16)len);
4013 if (down_interruptible(&ai->sem))
4016 if (test_bit(FLAG_MPI,&ai->flags)) {
4020 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4021 airo_print_err(ai->dev->name,
4022 "%s: MAC should be disabled (rid=%04x)",
4024 memset(&cmd, 0, sizeof(cmd));
4025 memset(&rsp, 0, sizeof(rsp));
4027 ai->config_desc.rid_desc.valid = 1;
4028 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4029 ai->config_desc.rid_desc.rid = 0;
4031 cmd.cmd = CMD_WRITERID;
4034 memcpy_toio(ai->config_desc.card_ram_off,
4035 &ai->config_desc.rid_desc, sizeof(Rid));
4037 if (len < 4 || len > 2047) {
4038 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4041 memcpy((char *)ai->config_desc.virtual_host_addr,
4044 rc = issuecommand(ai, &cmd, &rsp);
4045 if ((rc & 0xff00) != 0) {
4046 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4048 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4049 __FUNCTION__, cmd.cmd);
4052 if ((rsp.status & 0x7f00))
4056 // --- first access so that we can write the rid data
4057 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4061 // --- now write the rid data
4062 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4066 bap_write(ai, pBuf, len, BAP1);
4067 // ---now commit the rid data
4068 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4076 /* Allocates a FID to be used for transmitting packets. We only use
4078 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4080 unsigned int loop = 3000;
4086 cmd.cmd = CMD_ALLOCATETX;
4087 cmd.parm0 = lenPayload;
4088 if (down_interruptible(&ai->sem))
4090 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4094 if ( (rsp.status & 0xFF00) != 0) {
4098 /* wait for the allocate event/indication
4099 * It makes me kind of nervous that this can just sit here and spin,
4100 * but in practice it only loops like four times. */
4101 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4107 // get the allocated fid and acknowledge
4108 txFid = IN4500(ai, TXALLOCFID);
4109 OUT4500(ai, EVACK, EV_ALLOC);
4111 /* The CARD is pretty cool since it converts the ethernet packet
4112 * into 802.11. Also note that we don't release the FID since we
4113 * will be using the same one over and over again. */
4114 /* We only have to setup the control once since we are not
4115 * releasing the fid. */
4117 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4118 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4120 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4121 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4122 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4125 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4133 /* In general BAP1 is dedicated to transmiting packets. However,
4134 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4135 Make sure the BAP1 spinlock is held when this is called. */
4136 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4147 if (len <= ETH_ALEN * 2) {
4148 airo_print_warn(ai->dev->name, "Short packet %d", len);
4151 len -= ETH_ALEN * 2;
4153 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4154 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4155 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4157 miclen = sizeof(pMic);
4159 // packet is destination[6], source[6], payload[len-12]
4160 // write the payload length and dst/src/payload
4161 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4162 /* The hardware addresses aren't counted as part of the payload, so
4163 * we have to subtract the 12 bytes for the addresses off */
4164 payloadLen = cpu_to_le16(len + miclen);
4165 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4166 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4168 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4169 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4170 // issue the transmit command
4171 memset( &cmd, 0, sizeof( cmd ) );
4172 cmd.cmd = CMD_TRANSMIT;
4174 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4175 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4179 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4194 fc = le16_to_cpu(*(const u16*)pPacket);
4197 if ((fc & 0xe0) == 0xc0)
4203 if ((fc&0x300)==0x300){
4212 airo_print_warn(ai->dev->name, "Short packet %d", len);
4216 /* packet is 802.11 header + payload
4217 * write the payload length and dst/src/payload */
4218 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4219 /* The 802.11 header aren't counted as part of the payload, so
4220 * we have to subtract the header bytes off */
4221 payloadLen = cpu_to_le16(len-hdrlen);
4222 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4223 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4224 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4225 bap_write(ai, hdrlen == 30 ?
4226 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4228 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4229 // issue the transmit command
4230 memset( &cmd, 0, sizeof( cmd ) );
4231 cmd.cmd = CMD_TRANSMIT;
4233 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4234 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4239 * This is the proc_fs routines. It is a bit messier than I would
4240 * like! Feel free to clean it up!
4243 static ssize_t proc_read( struct file *file,
4244 char __user *buffer,
4248 static ssize_t proc_write( struct file *file,
4249 const char __user *buffer,
4252 static int proc_close( struct inode *inode, struct file *file );
4254 static int proc_stats_open( struct inode *inode, struct file *file );
4255 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4256 static int proc_status_open( struct inode *inode, struct file *file );
4257 static int proc_SSID_open( struct inode *inode, struct file *file );
4258 static int proc_APList_open( struct inode *inode, struct file *file );
4259 static int proc_BSSList_open( struct inode *inode, struct file *file );
4260 static int proc_config_open( struct inode *inode, struct file *file );
4261 static int proc_wepkey_open( struct inode *inode, struct file *file );
4263 static struct file_operations proc_statsdelta_ops = {
4265 .open = proc_statsdelta_open,
4266 .release = proc_close
4269 static struct file_operations proc_stats_ops = {
4271 .open = proc_stats_open,
4272 .release = proc_close
4275 static struct file_operations proc_status_ops = {
4277 .open = proc_status_open,
4278 .release = proc_close
4281 static struct file_operations proc_SSID_ops = {
4283 .write = proc_write,
4284 .open = proc_SSID_open,
4285 .release = proc_close
4288 static struct file_operations proc_BSSList_ops = {
4290 .write = proc_write,
4291 .open = proc_BSSList_open,
4292 .release = proc_close
4295 static struct file_operations proc_APList_ops = {
4297 .write = proc_write,
4298 .open = proc_APList_open,
4299 .release = proc_close
4302 static struct file_operations proc_config_ops = {
4304 .write = proc_write,
4305 .open = proc_config_open,
4306 .release = proc_close
4309 static struct file_operations proc_wepkey_ops = {
4311 .write = proc_write,
4312 .open = proc_wepkey_open,
4313 .release = proc_close
4316 static struct proc_dir_entry *airo_entry;
4325 void (*on_close) (struct inode *, struct file *);
4329 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4332 static int setup_proc_entry( struct net_device *dev,
4333 struct airo_info *apriv ) {
4334 struct proc_dir_entry *entry;
4335 /* First setup the device directory */
4336 strcpy(apriv->proc_name,dev->name);
4337 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4340 apriv->proc_entry->uid = proc_uid;
4341 apriv->proc_entry->gid = proc_gid;
4342 apriv->proc_entry->owner = THIS_MODULE;
4344 /* Setup the StatsDelta */
4345 entry = create_proc_entry("StatsDelta",
4346 S_IFREG | (S_IRUGO&proc_perm),
4348 entry->uid = proc_uid;
4349 entry->gid = proc_gid;
4351 entry->owner = THIS_MODULE;
4352 SETPROC_OPS(entry, proc_statsdelta_ops);
4354 /* Setup the Stats */
4355 entry = create_proc_entry("Stats",
4356 S_IFREG | (S_IRUGO&proc_perm),
4358 entry->uid = proc_uid;
4359 entry->gid = proc_gid;
4361 entry->owner = THIS_MODULE;
4362 SETPROC_OPS(entry, proc_stats_ops);
4364 /* Setup the Status */
4365 entry = create_proc_entry("Status",
4366 S_IFREG | (S_IRUGO&proc_perm),
4368 entry->uid = proc_uid;
4369 entry->gid = proc_gid;
4371 entry->owner = THIS_MODULE;
4372 SETPROC_OPS(entry, proc_status_ops);
4374 /* Setup the Config */
4375 entry = create_proc_entry("Config",
4376 S_IFREG | proc_perm,
4378 entry->uid = proc_uid;
4379 entry->gid = proc_gid;
4381 entry->owner = THIS_MODULE;
4382 SETPROC_OPS(entry, proc_config_ops);
4384 /* Setup the SSID */
4385 entry = create_proc_entry("SSID",
4386 S_IFREG | proc_perm,
4388 entry->uid = proc_uid;
4389 entry->gid = proc_gid;
4391 entry->owner = THIS_MODULE;
4392 SETPROC_OPS(entry, proc_SSID_ops);
4394 /* Setup the APList */
4395 entry = create_proc_entry("APList",
4396 S_IFREG | proc_perm,
4398 entry->uid = proc_uid;
4399 entry->gid = proc_gid;
4401 entry->owner = THIS_MODULE;
4402 SETPROC_OPS(entry, proc_APList_ops);
4404 /* Setup the BSSList */
4405 entry = create_proc_entry("BSSList",
4406 S_IFREG | proc_perm,
4408 entry->uid = proc_uid;
4409 entry->gid = proc_gid;
4411 entry->owner = THIS_MODULE;
4412 SETPROC_OPS(entry, proc_BSSList_ops);
4414 /* Setup the WepKey */
4415 entry = create_proc_entry("WepKey",
4416 S_IFREG | proc_perm,
4418 entry->uid = proc_uid;
4419 entry->gid = proc_gid;
4421 entry->owner = THIS_MODULE;
4422 SETPROC_OPS(entry, proc_wepkey_ops);
4427 static int takedown_proc_entry( struct net_device *dev,
4428 struct airo_info *apriv ) {
4429 if ( !apriv->proc_entry->namelen ) return 0;
4430 remove_proc_entry("Stats",apriv->proc_entry);
4431 remove_proc_entry("StatsDelta",apriv->proc_entry);
4432 remove_proc_entry("Status",apriv->proc_entry);
4433 remove_proc_entry("Config",apriv->proc_entry);
4434 remove_proc_entry("SSID",apriv->proc_entry);
4435 remove_proc_entry("APList",apriv->proc_entry);
4436 remove_proc_entry("BSSList",apriv->proc_entry);
4437 remove_proc_entry("WepKey",apriv->proc_entry);
4438 remove_proc_entry(apriv->proc_name,airo_entry);
4443 * What we want from the proc_fs is to be able to efficiently read
4444 * and write the configuration. To do this, we want to read the
4445 * configuration when the file is opened and write it when the file is
4446 * closed. So basically we allocate a read buffer at open and fill it
4447 * with data, and allocate a write buffer and read it at close.
4451 * The read routine is generic, it relies on the preallocated rbuffer
4452 * to supply the data.
4454 static ssize_t proc_read( struct file *file,
4455 char __user *buffer,
4459 loff_t pos = *offset;
4460 struct proc_data *priv = (struct proc_data*)file->private_data;
4467 if (pos >= priv->readlen)
4469 if (len > priv->readlen - pos)
4470 len = priv->readlen - pos;
4471 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4473 *offset = pos + len;
4478 * The write routine is generic, it fills in a preallocated rbuffer
4479 * to supply the data.
4481 static ssize_t proc_write( struct file *file,
4482 const char __user *buffer,
4486 loff_t pos = *offset;
4487 struct proc_data *priv = (struct proc_data*)file->private_data;
4494 if (pos >= priv->maxwritelen)
4496 if (len > priv->maxwritelen - pos)
4497 len = priv->maxwritelen - pos;
4498 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4500 if ( pos + len > priv->writelen )
4501 priv->writelen = len + file->f_pos;
4502 *offset = pos + len;
4506 static int proc_status_open( struct inode *inode, struct file *file ) {
4507 struct proc_data *data;
4508 struct proc_dir_entry *dp = PDE(inode);
4509 struct net_device *dev = dp->data;
4510 struct airo_info *apriv = dev->priv;
4511 CapabilityRid cap_rid;
4512 StatusRid status_rid;
4515 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4517 data = (struct proc_data *)file->private_data;
4518 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4519 kfree (file->private_data);
4523 readStatusRid(apriv, &status_rid, 1);
4524 readCapabilityRid(apriv, &cap_rid, 1);
4526 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4527 status_rid.mode & 1 ? "CFG ": "",
4528 status_rid.mode & 2 ? "ACT ": "",
4529 status_rid.mode & 0x10 ? "SYN ": "",
4530 status_rid.mode & 0x20 ? "LNK ": "",
4531 status_rid.mode & 0x40 ? "LEAP ": "",
4532 status_rid.mode & 0x80 ? "PRIV ": "",
4533 status_rid.mode & 0x100 ? "KEY ": "",
4534 status_rid.mode & 0x200 ? "WEP ": "",
4535 status_rid.mode & 0x8000 ? "ERR ": "");
4536 sprintf( data->rbuffer+i, "Mode: %x\n"
4537 "Signal Strength: %d\n"
4538 "Signal Quality: %d\n"
4543 "Driver Version: %s\n"
4544 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4545 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4546 "Software Version: %x\nSoftware Subversion: %x\n"
4547 "Boot block version: %x\n",
4548 (int)status_rid.mode,
4549 (int)status_rid.normalizedSignalStrength,
4550 (int)status_rid.signalQuality,
4551 (int)status_rid.SSIDlen,
4554 (int)status_rid.channel,
4555 (int)status_rid.currentXmitRate/2,
4563 (int)cap_rid.softVer,
4564 (int)cap_rid.softSubVer,
4565 (int)cap_rid.bootBlockVer );
4566 data->readlen = strlen( data->rbuffer );
4570 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4571 static int proc_statsdelta_open( struct inode *inode,
4572 struct file *file ) {
4573 if (file->f_mode&FMODE_WRITE) {
4574 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4576 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4579 static int proc_stats_open( struct inode *inode, struct file *file ) {
4580 return proc_stats_rid_open(inode, file, RID_STATS);
4583 static int proc_stats_rid_open( struct inode *inode,
4586 struct proc_data *data;
4587 struct proc_dir_entry *dp = PDE(inode);
4588 struct net_device *dev = dp->data;
4589 struct airo_info *apriv = dev->priv;
4592 u32 *vals = stats.vals;
4594 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4596 data = (struct proc_data *)file->private_data;
4597 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4598 kfree (file->private_data);
4602 readStatsRid(apriv, &stats, rid, 1);
4605 for(i=0; statsLabels[i]!=(char *)-1 &&
4606 i*4<stats.len; i++){
4607 if (!statsLabels[i]) continue;
4608 if (j+strlen(statsLabels[i])+16>4096) {
4609 airo_print_warn(apriv->dev->name,
4610 "Potentially disasterous buffer overflow averted!");
4613 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4615 if (i*4>=stats.len){
4616 airo_print_warn(apriv->dev->name, "Got a short rid");
4622 static int get_dec_u16( char *buffer, int *start, int limit ) {
4625 for( value = 0; buffer[*start] >= '0' &&
4626 buffer[*start] <= '9' &&
4627 *start < limit; (*start)++ ) {
4630 value += buffer[*start] - '0';
4632 if ( !valid ) return -1;
4636 static int airo_config_commit(struct net_device *dev,
4637 struct iw_request_info *info, void *zwrq,
4640 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4641 struct proc_data *data = file->private_data;
4642 struct proc_dir_entry *dp = PDE(inode);
4643 struct net_device *dev = dp->data;
4644 struct airo_info *ai = dev->priv;
4647 if ( !data->writelen ) return;
4649 readConfigRid(ai, 1);
4650 set_bit (FLAG_COMMIT, &ai->flags);
4652 line = data->wbuffer;
4654 /*** Mode processing */
4655 if ( !strncmp( line, "Mode: ", 6 ) ) {
4657 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4658 set_bit (FLAG_RESET, &ai->flags);
4659 ai->config.rmode &= 0xfe00;
4660 clear_bit (FLAG_802_11, &ai->flags);
4661 ai->config.opmode &= 0xFF00;
4662 ai->config.scanMode = SCANMODE_ACTIVE;
4663 if ( line[0] == 'a' ) {
4664 ai->config.opmode |= 0;
4666 ai->config.opmode |= 1;
4667 if ( line[0] == 'r' ) {
4668 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4669 ai->config.scanMode = SCANMODE_PASSIVE;
4670 set_bit (FLAG_802_11, &ai->flags);
4671 } else if ( line[0] == 'y' ) {
4672 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4673 ai->config.scanMode = SCANMODE_PASSIVE;
4674 set_bit (FLAG_802_11, &ai->flags);
4675 } else if ( line[0] == 'l' )
4676 ai->config.rmode |= RXMODE_LANMON;
4678 set_bit (FLAG_COMMIT, &ai->flags);
4681 /*** Radio status */
4682 else if (!strncmp(line,"Radio: ", 7)) {
4684 if (!strncmp(line,"off",3)) {
4685 set_bit (FLAG_RADIO_OFF, &ai->flags);
4687 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4690 /*** NodeName processing */
4691 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4695 memset( ai->config.nodeName, 0, 16 );
4696 /* Do the name, assume a space between the mode and node name */
4697 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4698 ai->config.nodeName[j] = line[j];
4700 set_bit (FLAG_COMMIT, &ai->flags);
4703 /*** PowerMode processing */
4704 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4706 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4707 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4708 set_bit (FLAG_COMMIT, &ai->flags);
4709 } else if ( !strncmp( line, "PSP", 3 ) ) {
4710 ai->config.powerSaveMode = POWERSAVE_PSP;
4711 set_bit (FLAG_COMMIT, &ai->flags);
4713 ai->config.powerSaveMode = POWERSAVE_CAM;
4714 set_bit (FLAG_COMMIT, &ai->flags);
4716 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4717 int v, i = 0, k = 0; /* i is index into line,
4718 k is index to rates */
4721 while((v = get_dec_u16(line, &i, 3))!=-1) {
4722 ai->config.rates[k++] = (u8)v;
4726 set_bit (FLAG_COMMIT, &ai->flags);
4727 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4730 v = get_dec_u16(line, &i, i+3);
4732 ai->config.channelSet = (u16)v;
4733 set_bit (FLAG_COMMIT, &ai->flags);
4735 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4738 v = get_dec_u16(line, &i, i+3);
4740 ai->config.txPower = (u16)v;
4741 set_bit (FLAG_COMMIT, &ai->flags);
4743 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4747 ai->config.authType = (u16)AUTH_SHAREDKEY;
4750 ai->config.authType = (u16)AUTH_ENCRYPT;
4753 ai->config.authType = (u16)AUTH_OPEN;
4756 set_bit (FLAG_COMMIT, &ai->flags);
4757 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4761 v = get_dec_u16(line, &i, 3);
4762 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4763 ai->config.longRetryLimit = (u16)v;
4764 set_bit (FLAG_COMMIT, &ai->flags);
4765 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4769 v = get_dec_u16(line, &i, 3);
4770 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4771 ai->config.shortRetryLimit = (u16)v;
4772 set_bit (FLAG_COMMIT, &ai->flags);
4773 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4777 v = get_dec_u16(line, &i, 4);
4778 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4779 ai->config.rtsThres = (u16)v;
4780 set_bit (FLAG_COMMIT, &ai->flags);
4781 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4785 v = get_dec_u16(line, &i, 5);
4787 ai->config.txLifetime = (u16)v;
4788 set_bit (FLAG_COMMIT, &ai->flags);
4789 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4793 v = get_dec_u16(line, &i, 5);
4795 ai->config.rxLifetime = (u16)v;
4796 set_bit (FLAG_COMMIT, &ai->flags);
4797 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4798 ai->config.txDiversity =
4799 (line[13]=='l') ? 1 :
4800 ((line[13]=='r')? 2: 3);
4801 set_bit (FLAG_COMMIT, &ai->flags);
4802 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4803 ai->config.rxDiversity =
4804 (line[13]=='l') ? 1 :
4805 ((line[13]=='r')? 2: 3);
4806 set_bit (FLAG_COMMIT, &ai->flags);
4807 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4811 v = get_dec_u16(line, &i, 4);
4812 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4813 v = v & 0xfffe; /* Make sure its even */
4814 ai->config.fragThresh = (u16)v;
4815 set_bit (FLAG_COMMIT, &ai->flags);
4816 } else if (!strncmp(line, "Modulation: ", 12)) {
4819 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4820 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4821 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4822 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4824 } else if (!strncmp(line, "Preamble: ", 10)) {
4827 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4828 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4829 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4830 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4833 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4835 while( line[0] && line[0] != '\n' ) line++;
4836 if ( line[0] ) line++;
4838 airo_config_commit(dev, NULL, NULL, NULL);
4841 static char *get_rmode(u16 mode) {
4843 case RXMODE_RFMON: return "rfmon";
4844 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4845 case RXMODE_LANMON: return "lanmon";
4850 static int proc_config_open( struct inode *inode, struct file *file ) {
4851 struct proc_data *data;
4852 struct proc_dir_entry *dp = PDE(inode);
4853 struct net_device *dev = dp->data;
4854 struct airo_info *ai = dev->priv;
4857 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4859 data = (struct proc_data *)file->private_data;
4860 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4861 kfree (file->private_data);
4864 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
4865 kfree (data->rbuffer);
4866 kfree (file->private_data);
4869 data->maxwritelen = 2048;
4870 data->on_close = proc_config_on_close;
4872 readConfigRid(ai, 1);
4874 i = sprintf( data->rbuffer,
4879 "DataRates: %d %d %d %d %d %d %d %d\n"
4882 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4883 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4884 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4885 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4886 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4887 ai->config.nodeName,
4888 ai->config.powerSaveMode == 0 ? "CAM" :
4889 ai->config.powerSaveMode == 1 ? "PSP" :
4890 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4891 (int)ai->config.rates[0],
4892 (int)ai->config.rates[1],
4893 (int)ai->config.rates[2],
4894 (int)ai->config.rates[3],
4895 (int)ai->config.rates[4],
4896 (int)ai->config.rates[5],
4897 (int)ai->config.rates[6],
4898 (int)ai->config.rates[7],
4899 (int)ai->config.channelSet,
4900 (int)ai->config.txPower
4902 sprintf( data->rbuffer + i,
4903 "LongRetryLimit: %d\n"
4904 "ShortRetryLimit: %d\n"
4905 "RTSThreshold: %d\n"
4906 "TXMSDULifetime: %d\n"
4907 "RXMSDULifetime: %d\n"
4910 "FragThreshold: %d\n"
4914 (int)ai->config.longRetryLimit,
4915 (int)ai->config.shortRetryLimit,
4916 (int)ai->config.rtsThres,
4917 (int)ai->config.txLifetime,
4918 (int)ai->config.rxLifetime,
4919 ai->config.txDiversity == 1 ? "left" :
4920 ai->config.txDiversity == 2 ? "right" : "both",
4921 ai->config.rxDiversity == 1 ? "left" :
4922 ai->config.rxDiversity == 2 ? "right" : "both",
4923 (int)ai->config.fragThresh,
4924 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4925 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4926 ai->config.modulation == 0 ? "default" :
4927 ai->config.modulation == MOD_CCK ? "cck" :
4928 ai->config.modulation == MOD_MOK ? "mok" : "error",
4929 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4930 ai->config.preamble == PREAMBLE_LONG ? "long" :
4931 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4933 data->readlen = strlen( data->rbuffer );
4937 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4938 struct proc_data *data = (struct proc_data *)file->private_data;
4939 struct proc_dir_entry *dp = PDE(inode);
4940 struct net_device *dev = dp->data;
4941 struct airo_info *ai = dev->priv;
4947 if ( !data->writelen ) return;
4949 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4951 for( i = 0; i < 3; i++ ) {
4953 for( j = 0; j+offset < data->writelen && j < 32 &&
4954 data->wbuffer[offset+j] != '\n'; j++ ) {
4955 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
4957 if ( j == 0 ) break;
4958 SSID_rid.ssids[i].len = j;
4960 while( data->wbuffer[offset] != '\n' &&
4961 offset < data->writelen ) offset++;
4965 SSID_rid.len = sizeof(SSID_rid);
4967 writeSsidRid(ai, &SSID_rid, 1);
4968 enable_MAC(ai, &rsp, 1);
4971 static inline u8 hexVal(char c) {
4972 if (c>='0' && c<='9') return c -= '0';
4973 if (c>='a' && c<='f') return c -= 'a'-10;
4974 if (c>='A' && c<='F') return c -= 'A'-10;
4978 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
4979 struct proc_data *data = (struct proc_data *)file->private_data;
4980 struct proc_dir_entry *dp = PDE(inode);
4981 struct net_device *dev = dp->data;
4982 struct airo_info *ai = dev->priv;
4983 APListRid APList_rid;
4987 if ( !data->writelen ) return;
4989 memset( &APList_rid, 0, sizeof(APList_rid) );
4990 APList_rid.len = sizeof(APList_rid);
4992 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
4994 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
4997 APList_rid.ap[i][j/3]=
4998 hexVal(data->wbuffer[j+i*6*3])<<4;
5001 APList_rid.ap[i][j/3]|=
5002 hexVal(data->wbuffer[j+i*6*3]);
5008 writeAPListRid(ai, &APList_rid, 1);
5009 enable_MAC(ai, &rsp, 1);
5012 /* This function wraps PC4500_writerid with a MAC disable */
5013 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5014 int len, int dummy ) {
5019 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5020 enable_MAC(ai, &rsp, 1);
5024 /* Returns the length of the key at the index. If index == 0xffff
5025 * the index of the transmit key is returned. If the key doesn't exist,
5026 * -1 will be returned.
5028 static int get_wep_key(struct airo_info *ai, u16 index) {
5033 rc = readWepKeyRid(ai, &wkr, 1, 1);
5034 if (rc == SUCCESS) do {
5035 lastindex = wkr.kindex;
5036 if (wkr.kindex == index) {
5037 if (index == 0xffff) {
5042 readWepKeyRid(ai, &wkr, 0, 1);
5043 } while(lastindex != wkr.kindex);
5047 static int set_wep_key(struct airo_info *ai, u16 index,
5048 const char *key, u16 keylen, int perm, int lock ) {
5049 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5053 memset(&wkr, 0, sizeof(wkr));
5055 // We are selecting which key to use
5056 wkr.len = sizeof(wkr);
5057 wkr.kindex = 0xffff;
5058 wkr.mac[0] = (char)index;
5059 if (perm) ai->defindex = (char)index;
5061 // We are actually setting the key
5062 wkr.len = sizeof(wkr);
5065 memcpy( wkr.key, key, keylen );
5066 memcpy( wkr.mac, macaddr, ETH_ALEN );
5069 if (perm) disable_MAC(ai, lock);
5070 writeWepKeyRid(ai, &wkr, perm, lock);
5071 if (perm) enable_MAC(ai, &rsp, lock);
5075 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5076 struct proc_data *data;
5077 struct proc_dir_entry *dp = PDE(inode);
5078 struct net_device *dev = dp->data;
5079 struct airo_info *ai = dev->priv;
5085 memset(key, 0, sizeof(key));
5087 data = (struct proc_data *)file->private_data;
5088 if ( !data->writelen ) return;
5090 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5091 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5092 index = data->wbuffer[0] - '0';
5093 if (data->wbuffer[1] == '\n') {
5094 set_wep_key(ai, index, NULL, 0, 1, 1);
5099 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5103 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5106 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5109 key[i/3] |= hexVal(data->wbuffer[i+j]);
5113 set_wep_key(ai, index, key, i/3, 1, 1);
5116 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5117 struct proc_data *data;
5118 struct proc_dir_entry *dp = PDE(inode);
5119 struct net_device *dev = dp->data;
5120 struct airo_info *ai = dev->priv;
5127 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5129 memset(&wkr, 0, sizeof(wkr));
5130 data = (struct proc_data *)file->private_data;
5131 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5132 kfree (file->private_data);
5136 data->maxwritelen = 80;
5137 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5138 kfree (data->rbuffer);
5139 kfree (file->private_data);
5142 data->on_close = proc_wepkey_on_close;
5144 ptr = data->rbuffer;
5145 strcpy(ptr, "No wep keys\n");
5146 rc = readWepKeyRid(ai, &wkr, 1, 1);
5147 if (rc == SUCCESS) do {
5148 lastindex = wkr.kindex;
5149 if (wkr.kindex == 0xffff) {
5150 j += sprintf(ptr+j, "Tx key = %d\n",
5153 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5154 (int)wkr.kindex, (int)wkr.klen);
5156 readWepKeyRid(ai, &wkr, 0, 1);
5157 } while((lastindex != wkr.kindex) && (j < 180-30));
5159 data->readlen = strlen( data->rbuffer );
5163 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5164 struct proc_data *data;
5165 struct proc_dir_entry *dp = PDE(inode);
5166 struct net_device *dev = dp->data;
5167 struct airo_info *ai = dev->priv;
5172 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5174 data = (struct proc_data *)file->private_data;
5175 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5176 kfree (file->private_data);
5180 data->maxwritelen = 33*3;
5181 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5182 kfree (data->rbuffer);
5183 kfree (file->private_data);
5186 data->on_close = proc_SSID_on_close;
5188 readSsidRid(ai, &SSID_rid);
5189 ptr = data->rbuffer;
5190 for( i = 0; i < 3; i++ ) {
5192 if ( !SSID_rid.ssids[i].len ) break;
5193 for( j = 0; j < 32 &&
5194 j < SSID_rid.ssids[i].len &&
5195 SSID_rid.ssids[i].ssid[j]; j++ ) {
5196 *ptr++ = SSID_rid.ssids[i].ssid[j];
5201 data->readlen = strlen( data->rbuffer );
5205 static int proc_APList_open( struct inode *inode, struct file *file ) {
5206 struct proc_data *data;
5207 struct proc_dir_entry *dp = PDE(inode);
5208 struct net_device *dev = dp->data;
5209 struct airo_info *ai = dev->priv;
5212 APListRid APList_rid;
5214 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5216 data = (struct proc_data *)file->private_data;
5217 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5218 kfree (file->private_data);
5222 data->maxwritelen = 4*6*3;
5223 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5224 kfree (data->rbuffer);
5225 kfree (file->private_data);
5228 data->on_close = proc_APList_on_close;
5230 readAPListRid(ai, &APList_rid);
5231 ptr = data->rbuffer;
5232 for( i = 0; i < 4; i++ ) {
5233 // We end when we find a zero MAC
5234 if ( !*(int*)APList_rid.ap[i] &&
5235 !*(int*)&APList_rid.ap[i][2]) break;
5236 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5237 (int)APList_rid.ap[i][0],
5238 (int)APList_rid.ap[i][1],
5239 (int)APList_rid.ap[i][2],
5240 (int)APList_rid.ap[i][3],
5241 (int)APList_rid.ap[i][4],
5242 (int)APList_rid.ap[i][5]);
5244 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5247 data->readlen = strlen( data->rbuffer );
5251 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5252 struct proc_data *data;
5253 struct proc_dir_entry *dp = PDE(inode);
5254 struct net_device *dev = dp->data;
5255 struct airo_info *ai = dev->priv;
5257 BSSListRid BSSList_rid;
5259 /* If doLoseSync is not 1, we won't do a Lose Sync */
5260 int doLoseSync = -1;
5262 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5264 data = (struct proc_data *)file->private_data;
5265 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5266 kfree (file->private_data);
5270 data->maxwritelen = 0;
5271 data->wbuffer = NULL;
5272 data->on_close = NULL;
5274 if (file->f_mode & FMODE_WRITE) {
5275 if (!(file->f_mode & FMODE_READ)) {
5279 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5280 memset(&cmd, 0, sizeof(cmd));
5281 cmd.cmd=CMD_LISTBSS;
5282 if (down_interruptible(&ai->sem))
5283 return -ERESTARTSYS;
5284 issuecommand(ai, &cmd, &rsp);
5291 ptr = data->rbuffer;
5292 /* There is a race condition here if there are concurrent opens.
5293 Since it is a rare condition, we'll just live with it, otherwise
5294 we have to add a spin lock... */
5295 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5296 while(rc == 0 && BSSList_rid.index != 0xffff) {
5297 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5298 (int)BSSList_rid.bssid[0],
5299 (int)BSSList_rid.bssid[1],
5300 (int)BSSList_rid.bssid[2],
5301 (int)BSSList_rid.bssid[3],
5302 (int)BSSList_rid.bssid[4],
5303 (int)BSSList_rid.bssid[5],
5304 (int)BSSList_rid.ssidLen,
5306 (int)BSSList_rid.dBm);
5307 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5308 (int)BSSList_rid.dsChannel,
5309 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5310 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5311 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5312 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5313 rc = readBSSListRid(ai, 0, &BSSList_rid);
5316 data->readlen = strlen( data->rbuffer );
5320 static int proc_close( struct inode *inode, struct file *file )
5322 struct proc_data *data = file->private_data;
5324 if (data->on_close != NULL)
5325 data->on_close(inode, file);
5326 kfree(data->rbuffer);
5327 kfree(data->wbuffer);
5332 static struct net_device_list {
5333 struct net_device *dev;
5334 struct net_device_list *next;
5337 /* Since the card doesn't automatically switch to the right WEP mode,
5338 we will make it do it. If the card isn't associated, every secs we
5339 will switch WEP modes to see if that will help. If the card is
5340 associated we will check every minute to see if anything has
5342 static void timer_func( struct net_device *dev ) {
5343 struct airo_info *apriv = dev->priv;
5346 /* We don't have a link so try changing the authtype */
5347 readConfigRid(apriv, 0);
5348 disable_MAC(apriv, 0);
5349 switch(apriv->config.authType) {
5351 /* So drop to OPEN */
5352 apriv->config.authType = AUTH_OPEN;
5354 case AUTH_SHAREDKEY:
5355 if (apriv->keyindex < auto_wep) {
5356 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5357 apriv->config.authType = AUTH_SHAREDKEY;
5360 /* Drop to ENCRYPT */
5361 apriv->keyindex = 0;
5362 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5363 apriv->config.authType = AUTH_ENCRYPT;
5366 default: /* We'll escalate to SHAREDKEY */
5367 apriv->config.authType = AUTH_SHAREDKEY;
5369 set_bit (FLAG_COMMIT, &apriv->flags);
5370 writeConfigRid(apriv, 0);
5371 enable_MAC(apriv, &rsp, 0);
5374 /* Schedule check to see if the change worked */
5375 clear_bit(JOB_AUTOWEP, &apriv->flags);
5376 apriv->expires = RUN_AT(HZ*3);
5379 static int add_airo_dev( struct net_device *dev ) {
5380 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5385 node->next = airo_devices;
5386 airo_devices = node;
5391 static void del_airo_dev( struct net_device *dev ) {
5392 struct net_device_list **p = &airo_devices;
5393 while( *p && ( (*p)->dev != dev ) )
5395 if ( *p && (*p)->dev == dev )
5400 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5401 const struct pci_device_id *pent)
5403 struct net_device *dev;
5405 if (pci_enable_device(pdev))
5407 pci_set_master(pdev);
5409 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5410 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5412 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5416 pci_set_drvdata(pdev, dev);
5420 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5424 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5426 struct net_device *dev = pci_get_drvdata(pdev);
5427 struct airo_info *ai = dev->priv;
5431 if ((ai->APList == NULL) &&
5432 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5434 if ((ai->SSID == NULL) &&
5435 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5437 readAPListRid(ai, ai->APList);
5438 readSsidRid(ai, ai->SSID);
5439 memset(&cmd, 0, sizeof(cmd));
5440 /* the lock will be released at the end of the resume callback */
5441 if (down_interruptible(&ai->sem))
5444 netif_device_detach(dev);
5447 issuecommand(ai, &cmd, &rsp);
5449 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5450 pci_save_state(pdev);
5451 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5454 static int airo_pci_resume(struct pci_dev *pdev)
5456 struct net_device *dev = pci_get_drvdata(pdev);
5457 struct airo_info *ai = dev->priv;
5459 pci_power_t prev_state = pdev->current_state;
5461 pci_set_power_state(pdev, PCI_D0);
5462 pci_restore_state(pdev);
5463 pci_enable_wake(pdev, PCI_D0, 0);
5465 if (prev_state != PCI_D1) {
5467 mpi_init_descriptors(ai);
5468 setup_card(ai, dev->dev_addr, 0);
5469 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5470 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5472 OUT4500(ai, EVACK, EV_AWAKEN);
5473 OUT4500(ai, EVACK, EV_AWAKEN);
5477 set_bit (FLAG_COMMIT, &ai->flags);
5481 writeSsidRid(ai, ai->SSID, 0);
5486 writeAPListRid(ai, ai->APList, 0);
5490 writeConfigRid(ai, 0);
5491 enable_MAC(ai, &rsp, 0);
5492 ai->power = PMSG_ON;
5493 netif_device_attach(dev);
5494 netif_wake_queue(dev);
5495 enable_interrupts(ai);
5501 static int __init airo_init_module( void )
5503 int i, have_isa_dev = 0;
5505 airo_entry = create_proc_entry("aironet",
5506 S_IFDIR | airo_perm,
5508 airo_entry->uid = proc_uid;
5509 airo_entry->gid = proc_gid;
5511 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5512 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5513 "io=0x%x", irq[i], io[i] );
5514 if (init_airo_card( irq[i], io[i], 0, NULL ))
5519 airo_print_info("", "Probing for PCI adapters");
5520 pci_register_driver(&airo_driver);
5521 airo_print_info("", "Finished probing for PCI adapters");
5524 /* Always exit with success, as we are a library module
5525 * as well as a driver module
5530 static void __exit airo_cleanup_module( void )
5532 while( airo_devices ) {
5533 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5534 stop_airo_card( airo_devices->dev, 1 );
5537 pci_unregister_driver(&airo_driver);
5539 remove_proc_entry("aironet", proc_root_driver);
5543 * Initial Wireless Extension code for Aironet driver by :
5544 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5545 * Conversion to new driver API by :
5546 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5547 * Javier also did a good amount of work here, adding some new extensions
5548 * and fixing my code. Let's just say that without him this code just
5549 * would not work at all... - Jean II
5552 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5557 return (0x100 - rssi_rid[rssi].rssidBm);
5560 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5567 for( i = 0; i < 256; i++ )
5568 if (rssi_rid[i].rssidBm == dbm)
5569 return rssi_rid[i].rssipct;
5575 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5579 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5580 if (memcmp(cap_rid->prodName, "350", 3))
5581 if (status_rid->signalQuality > 0x20)
5584 quality = 0x20 - status_rid->signalQuality;
5586 if (status_rid->signalQuality > 0xb0)
5588 else if (status_rid->signalQuality < 0x10)
5591 quality = 0xb0 - status_rid->signalQuality;
5596 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5597 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5599 /*------------------------------------------------------------------*/
5601 * Wireless Handler : get protocol name
5603 static int airo_get_name(struct net_device *dev,
5604 struct iw_request_info *info,
5608 strcpy(cwrq, "IEEE 802.11-DS");
5612 /*------------------------------------------------------------------*/
5614 * Wireless Handler : set frequency
5616 static int airo_set_freq(struct net_device *dev,
5617 struct iw_request_info *info,
5618 struct iw_freq *fwrq,
5621 struct airo_info *local = dev->priv;
5622 int rc = -EINPROGRESS; /* Call commit handler */
5624 /* If setting by frequency, convert to a channel */
5625 if((fwrq->e == 1) &&
5626 (fwrq->m >= (int) 2.412e8) &&
5627 (fwrq->m <= (int) 2.487e8)) {
5628 int f = fwrq->m / 100000;
5630 while((c < 14) && (f != frequency_list[c]))
5632 /* Hack to fall through... */
5636 /* Setting by channel number */
5637 if((fwrq->m > 1000) || (fwrq->e > 0))
5640 int channel = fwrq->m;
5641 /* We should do a better check than that,
5642 * based on the card capability !!! */
5643 if((channel < 1) || (channel > 14)) {
5644 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5648 readConfigRid(local, 1);
5649 /* Yes ! We can set it !!! */
5650 local->config.channelSet = (u16) channel;
5651 set_bit (FLAG_COMMIT, &local->flags);
5657 /*------------------------------------------------------------------*/
5659 * Wireless Handler : get frequency
5661 static int airo_get_freq(struct net_device *dev,
5662 struct iw_request_info *info,
5663 struct iw_freq *fwrq,
5666 struct airo_info *local = dev->priv;
5667 StatusRid status_rid; /* Card status info */
5670 readConfigRid(local, 1);
5671 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5672 status_rid.channel = local->config.channelSet;
5674 readStatusRid(local, &status_rid, 1);
5676 ch = (int)status_rid.channel;
5677 if((ch > 0) && (ch < 15)) {
5678 fwrq->m = frequency_list[ch - 1] * 100000;
5688 /*------------------------------------------------------------------*/
5690 * Wireless Handler : set ESSID
5692 static int airo_set_essid(struct net_device *dev,
5693 struct iw_request_info *info,
5694 struct iw_point *dwrq,
5697 struct airo_info *local = dev->priv;
5699 SsidRid SSID_rid; /* SSIDs */
5701 /* Reload the list of current SSID */
5702 readSsidRid(local, &SSID_rid);
5704 /* Check if we asked for `any' */
5705 if(dwrq->flags == 0) {
5706 /* Just send an empty SSID list */
5707 memset(&SSID_rid, 0, sizeof(SSID_rid));
5709 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5711 /* Check the size of the string */
5712 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5715 /* Check if index is valid */
5716 if((index < 0) || (index >= 4)) {
5721 memset(SSID_rid.ssids[index].ssid, 0,
5722 sizeof(SSID_rid.ssids[index].ssid));
5723 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5724 SSID_rid.ssids[index].len = dwrq->length - 1;
5726 SSID_rid.len = sizeof(SSID_rid);
5727 /* Write it to the card */
5728 disable_MAC(local, 1);
5729 writeSsidRid(local, &SSID_rid, 1);
5730 enable_MAC(local, &rsp, 1);
5735 /*------------------------------------------------------------------*/
5737 * Wireless Handler : get ESSID
5739 static int airo_get_essid(struct net_device *dev,
5740 struct iw_request_info *info,
5741 struct iw_point *dwrq,
5744 struct airo_info *local = dev->priv;
5745 StatusRid status_rid; /* Card status info */
5747 readStatusRid(local, &status_rid, 1);
5749 /* Note : if dwrq->flags != 0, we should
5750 * get the relevant SSID from the SSID list... */
5752 /* Get the current SSID */
5753 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5754 extra[status_rid.SSIDlen] = '\0';
5755 /* If none, we may want to get the one that was set */
5758 dwrq->length = status_rid.SSIDlen;
5759 dwrq->flags = 1; /* active */
5764 /*------------------------------------------------------------------*/
5766 * Wireless Handler : set AP address
5768 static int airo_set_wap(struct net_device *dev,
5769 struct iw_request_info *info,
5770 struct sockaddr *awrq,
5773 struct airo_info *local = dev->priv;
5776 APListRid APList_rid;
5777 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5778 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5780 if (awrq->sa_family != ARPHRD_ETHER)
5782 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5783 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5784 memset(&cmd, 0, sizeof(cmd));
5785 cmd.cmd=CMD_LOSE_SYNC;
5786 if (down_interruptible(&local->sem))
5787 return -ERESTARTSYS;
5788 issuecommand(local, &cmd, &rsp);
5791 memset(&APList_rid, 0, sizeof(APList_rid));
5792 APList_rid.len = sizeof(APList_rid);
5793 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5794 disable_MAC(local, 1);
5795 writeAPListRid(local, &APList_rid, 1);
5796 enable_MAC(local, &rsp, 1);
5801 /*------------------------------------------------------------------*/
5803 * Wireless Handler : get AP address
5805 static int airo_get_wap(struct net_device *dev,
5806 struct iw_request_info *info,
5807 struct sockaddr *awrq,
5810 struct airo_info *local = dev->priv;
5811 StatusRid status_rid; /* Card status info */
5813 readStatusRid(local, &status_rid, 1);
5815 /* Tentative. This seems to work, wow, I'm lucky !!! */
5816 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5817 awrq->sa_family = ARPHRD_ETHER;
5822 /*------------------------------------------------------------------*/
5824 * Wireless Handler : set Nickname
5826 static int airo_set_nick(struct net_device *dev,
5827 struct iw_request_info *info,
5828 struct iw_point *dwrq,
5831 struct airo_info *local = dev->priv;
5833 /* Check the size of the string */
5834 if(dwrq->length > 16 + 1) {
5837 readConfigRid(local, 1);
5838 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5839 memcpy(local->config.nodeName, extra, dwrq->length);
5840 set_bit (FLAG_COMMIT, &local->flags);
5842 return -EINPROGRESS; /* Call commit handler */
5845 /*------------------------------------------------------------------*/
5847 * Wireless Handler : get Nickname
5849 static int airo_get_nick(struct net_device *dev,
5850 struct iw_request_info *info,
5851 struct iw_point *dwrq,
5854 struct airo_info *local = dev->priv;
5856 readConfigRid(local, 1);
5857 strncpy(extra, local->config.nodeName, 16);
5859 dwrq->length = strlen(extra) + 1;
5864 /*------------------------------------------------------------------*/
5866 * Wireless Handler : set Bit-Rate
5868 static int airo_set_rate(struct net_device *dev,
5869 struct iw_request_info *info,
5870 struct iw_param *vwrq,
5873 struct airo_info *local = dev->priv;
5874 CapabilityRid cap_rid; /* Card capability info */
5878 /* First : get a valid bit rate value */
5879 readCapabilityRid(local, &cap_rid, 1);
5881 /* Which type of value ? */
5882 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5883 /* Setting by rate index */
5884 /* Find value in the magic rate table */
5885 brate = cap_rid.supportedRates[vwrq->value];
5887 /* Setting by frequency value */
5888 u8 normvalue = (u8) (vwrq->value/500000);
5890 /* Check if rate is valid */
5891 for(i = 0 ; i < 8 ; i++) {
5892 if(normvalue == cap_rid.supportedRates[i]) {
5898 /* -1 designed the max rate (mostly auto mode) */
5899 if(vwrq->value == -1) {
5900 /* Get the highest available rate */
5901 for(i = 0 ; i < 8 ; i++) {
5902 if(cap_rid.supportedRates[i] == 0)
5906 brate = cap_rid.supportedRates[i - 1];
5908 /* Check that it is valid */
5913 readConfigRid(local, 1);
5914 /* Now, check if we want a fixed or auto value */
5915 if(vwrq->fixed == 0) {
5916 /* Fill all the rates up to this max rate */
5917 memset(local->config.rates, 0, 8);
5918 for(i = 0 ; i < 8 ; i++) {
5919 local->config.rates[i] = cap_rid.supportedRates[i];
5920 if(local->config.rates[i] == brate)
5925 /* One rate, fixed */
5926 memset(local->config.rates, 0, 8);
5927 local->config.rates[0] = brate;
5929 set_bit (FLAG_COMMIT, &local->flags);
5931 return -EINPROGRESS; /* Call commit handler */
5934 /*------------------------------------------------------------------*/
5936 * Wireless Handler : get Bit-Rate
5938 static int airo_get_rate(struct net_device *dev,
5939 struct iw_request_info *info,
5940 struct iw_param *vwrq,
5943 struct airo_info *local = dev->priv;
5944 StatusRid status_rid; /* Card status info */
5946 readStatusRid(local, &status_rid, 1);
5948 vwrq->value = status_rid.currentXmitRate * 500000;
5949 /* If more than one rate, set auto */
5950 readConfigRid(local, 1);
5951 vwrq->fixed = (local->config.rates[1] == 0);
5956 /*------------------------------------------------------------------*/
5958 * Wireless Handler : set RTS threshold
5960 static int airo_set_rts(struct net_device *dev,
5961 struct iw_request_info *info,
5962 struct iw_param *vwrq,
5965 struct airo_info *local = dev->priv;
5966 int rthr = vwrq->value;
5969 rthr = AIRO_DEF_MTU;
5970 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
5973 readConfigRid(local, 1);
5974 local->config.rtsThres = rthr;
5975 set_bit (FLAG_COMMIT, &local->flags);
5977 return -EINPROGRESS; /* Call commit handler */
5980 /*------------------------------------------------------------------*/
5982 * Wireless Handler : get RTS threshold
5984 static int airo_get_rts(struct net_device *dev,
5985 struct iw_request_info *info,
5986 struct iw_param *vwrq,
5989 struct airo_info *local = dev->priv;
5991 readConfigRid(local, 1);
5992 vwrq->value = local->config.rtsThres;
5993 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
5999 /*------------------------------------------------------------------*/
6001 * Wireless Handler : set Fragmentation threshold
6003 static int airo_set_frag(struct net_device *dev,
6004 struct iw_request_info *info,
6005 struct iw_param *vwrq,
6008 struct airo_info *local = dev->priv;
6009 int fthr = vwrq->value;
6012 fthr = AIRO_DEF_MTU;
6013 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6016 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6017 readConfigRid(local, 1);
6018 local->config.fragThresh = (u16)fthr;
6019 set_bit (FLAG_COMMIT, &local->flags);
6021 return -EINPROGRESS; /* Call commit handler */
6024 /*------------------------------------------------------------------*/
6026 * Wireless Handler : get Fragmentation threshold
6028 static int airo_get_frag(struct net_device *dev,
6029 struct iw_request_info *info,
6030 struct iw_param *vwrq,
6033 struct airo_info *local = dev->priv;
6035 readConfigRid(local, 1);
6036 vwrq->value = local->config.fragThresh;
6037 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6043 /*------------------------------------------------------------------*/
6045 * Wireless Handler : set Mode of Operation
6047 static int airo_set_mode(struct net_device *dev,
6048 struct iw_request_info *info,
6052 struct airo_info *local = dev->priv;
6055 readConfigRid(local, 1);
6056 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6061 local->config.opmode &= 0xFF00;
6062 local->config.opmode |= MODE_STA_IBSS;
6063 local->config.rmode &= 0xfe00;
6064 local->config.scanMode = SCANMODE_ACTIVE;
6065 clear_bit (FLAG_802_11, &local->flags);
6068 local->config.opmode &= 0xFF00;
6069 local->config.opmode |= MODE_STA_ESS;
6070 local->config.rmode &= 0xfe00;
6071 local->config.scanMode = SCANMODE_ACTIVE;
6072 clear_bit (FLAG_802_11, &local->flags);
6074 case IW_MODE_MASTER:
6075 local->config.opmode &= 0xFF00;
6076 local->config.opmode |= MODE_AP;
6077 local->config.rmode &= 0xfe00;
6078 local->config.scanMode = SCANMODE_ACTIVE;
6079 clear_bit (FLAG_802_11, &local->flags);
6081 case IW_MODE_REPEAT:
6082 local->config.opmode &= 0xFF00;
6083 local->config.opmode |= MODE_AP_RPTR;
6084 local->config.rmode &= 0xfe00;
6085 local->config.scanMode = SCANMODE_ACTIVE;
6086 clear_bit (FLAG_802_11, &local->flags);
6088 case IW_MODE_MONITOR:
6089 local->config.opmode &= 0xFF00;
6090 local->config.opmode |= MODE_STA_ESS;
6091 local->config.rmode &= 0xfe00;
6092 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6093 local->config.scanMode = SCANMODE_PASSIVE;
6094 set_bit (FLAG_802_11, &local->flags);
6100 set_bit (FLAG_RESET, &local->flags);
6101 set_bit (FLAG_COMMIT, &local->flags);
6103 return -EINPROGRESS; /* Call commit handler */
6106 /*------------------------------------------------------------------*/
6108 * Wireless Handler : get Mode of Operation
6110 static int airo_get_mode(struct net_device *dev,
6111 struct iw_request_info *info,
6115 struct airo_info *local = dev->priv;
6117 readConfigRid(local, 1);
6118 /* If not managed, assume it's ad-hoc */
6119 switch (local->config.opmode & 0xFF) {
6121 *uwrq = IW_MODE_INFRA;
6124 *uwrq = IW_MODE_MASTER;
6127 *uwrq = IW_MODE_REPEAT;
6130 *uwrq = IW_MODE_ADHOC;
6136 /*------------------------------------------------------------------*/
6138 * Wireless Handler : set Encryption Key
6140 static int airo_set_encode(struct net_device *dev,
6141 struct iw_request_info *info,
6142 struct iw_point *dwrq,
6145 struct airo_info *local = dev->priv;
6146 CapabilityRid cap_rid; /* Card capability info */
6147 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6148 u16 currentAuthType = local->config.authType;
6150 /* Is WEP supported ? */
6151 readCapabilityRid(local, &cap_rid, 1);
6152 /* Older firmware doesn't support this...
6153 if(!(cap_rid.softCap & 2)) {
6156 readConfigRid(local, 1);
6158 /* Basic checking: do we have a key to set ?
6159 * Note : with the new API, it's impossible to get a NULL pointer.
6160 * Therefore, we need to check a key size == 0 instead.
6161 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6162 * when no key is present (only change flags), but older versions
6163 * don't do it. - Jean II */
6164 if (dwrq->length > 0) {
6166 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6167 int current_index = get_wep_key(local, 0xffff);
6168 /* Check the size of the key */
6169 if (dwrq->length > MAX_KEY_SIZE) {
6172 /* Check the index (none -> use current) */
6173 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6174 index = current_index;
6175 /* Set the length */
6176 if (dwrq->length > MIN_KEY_SIZE)
6177 key.len = MAX_KEY_SIZE;
6179 if (dwrq->length > 0)
6180 key.len = MIN_KEY_SIZE;
6182 /* Disable the key */
6184 /* Check if the key is not marked as invalid */
6185 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6187 memset(key.key, 0, MAX_KEY_SIZE);
6188 /* Copy the key in the driver */
6189 memcpy(key.key, extra, dwrq->length);
6190 /* Send the key to the card */
6191 set_wep_key(local, index, key.key, key.len, perm, 1);
6193 /* WE specify that if a valid key is set, encryption
6194 * should be enabled (user may turn it off later)
6195 * This is also how "iwconfig ethX key on" works */
6196 if((index == current_index) && (key.len > 0) &&
6197 (local->config.authType == AUTH_OPEN)) {
6198 local->config.authType = AUTH_ENCRYPT;
6201 /* Do we want to just set the transmit key index ? */
6202 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6203 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6204 set_wep_key(local, index, NULL, 0, perm, 1);
6206 /* Don't complain if only change the mode */
6207 if(!dwrq->flags & IW_ENCODE_MODE) {
6211 /* Read the flags */
6212 if(dwrq->flags & IW_ENCODE_DISABLED)
6213 local->config.authType = AUTH_OPEN; // disable encryption
6214 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6215 local->config.authType = AUTH_SHAREDKEY; // Only Both
6216 if(dwrq->flags & IW_ENCODE_OPEN)
6217 local->config.authType = AUTH_ENCRYPT; // Only Wep
6218 /* Commit the changes to flags if needed */
6219 if (local->config.authType != currentAuthType)
6220 set_bit (FLAG_COMMIT, &local->flags);
6221 return -EINPROGRESS; /* Call commit handler */
6224 /*------------------------------------------------------------------*/
6226 * Wireless Handler : get Encryption Key
6228 static int airo_get_encode(struct net_device *dev,
6229 struct iw_request_info *info,
6230 struct iw_point *dwrq,
6233 struct airo_info *local = dev->priv;
6234 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6235 CapabilityRid cap_rid; /* Card capability info */
6237 /* Is it supported ? */
6238 readCapabilityRid(local, &cap_rid, 1);
6239 if(!(cap_rid.softCap & 2)) {
6242 readConfigRid(local, 1);
6243 /* Check encryption mode */
6244 switch(local->config.authType) {
6246 dwrq->flags = IW_ENCODE_OPEN;
6248 case AUTH_SHAREDKEY:
6249 dwrq->flags = IW_ENCODE_RESTRICTED;
6253 dwrq->flags = IW_ENCODE_DISABLED;
6256 /* We can't return the key, so set the proper flag and return zero */
6257 dwrq->flags |= IW_ENCODE_NOKEY;
6258 memset(extra, 0, 16);
6260 /* Which key do we want ? -1 -> tx index */
6261 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6262 index = get_wep_key(local, 0xffff);
6263 dwrq->flags |= index + 1;
6264 /* Copy the key to the user buffer */
6265 dwrq->length = get_wep_key(local, index);
6266 if (dwrq->length > 16) {
6272 /*------------------------------------------------------------------*/
6274 * Wireless Handler : set extended Encryption parameters
6276 static int airo_set_encodeext(struct net_device *dev,
6277 struct iw_request_info *info,
6278 union iwreq_data *wrqu,
6281 struct airo_info *local = dev->priv;
6282 struct iw_point *encoding = &wrqu->encoding;
6283 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6284 CapabilityRid cap_rid; /* Card capability info */
6285 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6286 u16 currentAuthType = local->config.authType;
6287 int idx, key_len, alg = ext->alg, set_key = 1;
6290 /* Is WEP supported ? */
6291 readCapabilityRid(local, &cap_rid, 1);
6292 /* Older firmware doesn't support this...
6293 if(!(cap_rid.softCap & 2)) {
6296 readConfigRid(local, 1);
6298 /* Determine and validate the key index */
6299 idx = encoding->flags & IW_ENCODE_INDEX;
6301 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6305 idx = get_wep_key(local, 0xffff);
6307 if (encoding->flags & IW_ENCODE_DISABLED)
6308 alg = IW_ENCODE_ALG_NONE;
6310 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6311 /* Only set transmit key index here, actual
6312 * key is set below if needed.
6314 set_wep_key(local, idx, NULL, 0, perm, 1);
6315 set_key = ext->key_len > 0 ? 1 : 0;
6319 /* Set the requested key first */
6320 memset(key.key, 0, MAX_KEY_SIZE);
6322 case IW_ENCODE_ALG_NONE:
6325 case IW_ENCODE_ALG_WEP:
6326 if (ext->key_len > MIN_KEY_SIZE) {
6327 key.len = MAX_KEY_SIZE;
6328 } else if (ext->key_len > 0) {
6329 key.len = MIN_KEY_SIZE;
6333 key_len = min (ext->key_len, key.len);
6334 memcpy(key.key, ext->key, key_len);
6339 /* Send the key to the card */
6340 set_wep_key(local, idx, key.key, key.len, perm, 1);
6343 /* Read the flags */
6344 if(encoding->flags & IW_ENCODE_DISABLED)
6345 local->config.authType = AUTH_OPEN; // disable encryption
6346 if(encoding->flags & IW_ENCODE_RESTRICTED)
6347 local->config.authType = AUTH_SHAREDKEY; // Only Both
6348 if(encoding->flags & IW_ENCODE_OPEN)
6349 local->config.authType = AUTH_ENCRYPT; // Only Wep
6350 /* Commit the changes to flags if needed */
6351 if (local->config.authType != currentAuthType)
6352 set_bit (FLAG_COMMIT, &local->flags);
6354 return -EINPROGRESS;
6358 /*------------------------------------------------------------------*/
6360 * Wireless Handler : get extended Encryption parameters
6362 static int airo_get_encodeext(struct net_device *dev,
6363 struct iw_request_info *info,
6364 union iwreq_data *wrqu,
6367 struct airo_info *local = dev->priv;
6368 struct iw_point *encoding = &wrqu->encoding;
6369 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6370 CapabilityRid cap_rid; /* Card capability info */
6371 int idx, max_key_len;
6373 /* Is it supported ? */
6374 readCapabilityRid(local, &cap_rid, 1);
6375 if(!(cap_rid.softCap & 2)) {
6378 readConfigRid(local, 1);
6380 max_key_len = encoding->length - sizeof(*ext);
6381 if (max_key_len < 0)
6384 idx = encoding->flags & IW_ENCODE_INDEX;
6386 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6390 idx = get_wep_key(local, 0xffff);
6392 encoding->flags = idx + 1;
6393 memset(ext, 0, sizeof(*ext));
6395 /* Check encryption mode */
6396 switch(local->config.authType) {
6398 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6400 case AUTH_SHAREDKEY:
6401 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6405 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6408 /* We can't return the key, so set the proper flag and return zero */
6409 encoding->flags |= IW_ENCODE_NOKEY;
6410 memset(extra, 0, 16);
6412 /* Copy the key to the user buffer */
6413 ext->key_len = get_wep_key(local, idx);
6414 if (ext->key_len > 16) {
6422 /*------------------------------------------------------------------*/
6424 * Wireless Handler : set extended authentication parameters
6426 static int airo_set_auth(struct net_device *dev,
6427 struct iw_request_info *info,
6428 union iwreq_data *wrqu, char *extra)
6430 struct airo_info *local = dev->priv;
6431 struct iw_param *param = &wrqu->param;
6432 u16 currentAuthType = local->config.authType;
6434 switch (param->flags & IW_AUTH_INDEX) {
6435 case IW_AUTH_WPA_VERSION:
6436 case IW_AUTH_CIPHER_PAIRWISE:
6437 case IW_AUTH_CIPHER_GROUP:
6438 case IW_AUTH_KEY_MGMT:
6439 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6440 case IW_AUTH_PRIVACY_INVOKED:
6442 * airo does not use these parameters
6446 case IW_AUTH_DROP_UNENCRYPTED:
6448 /* Only change auth type if unencrypted */
6449 if (currentAuthType == AUTH_OPEN)
6450 local->config.authType = AUTH_ENCRYPT;
6452 local->config.authType = AUTH_OPEN;
6455 /* Commit the changes to flags if needed */
6456 if (local->config.authType != currentAuthType)
6457 set_bit (FLAG_COMMIT, &local->flags);
6460 case IW_AUTH_80211_AUTH_ALG: {
6461 /* FIXME: What about AUTH_OPEN? This API seems to
6462 * disallow setting our auth to AUTH_OPEN.
6464 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6465 local->config.authType = AUTH_SHAREDKEY;
6466 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6467 local->config.authType = AUTH_ENCRYPT;
6472 /* Commit the changes to flags if needed */
6473 if (local->config.authType != currentAuthType)
6474 set_bit (FLAG_COMMIT, &local->flags);
6477 case IW_AUTH_WPA_ENABLED:
6478 /* Silently accept disable of WPA */
6479 if (param->value > 0)
6486 return -EINPROGRESS;
6490 /*------------------------------------------------------------------*/
6492 * Wireless Handler : get extended authentication parameters
6494 static int airo_get_auth(struct net_device *dev,
6495 struct iw_request_info *info,
6496 union iwreq_data *wrqu, char *extra)
6498 struct airo_info *local = dev->priv;
6499 struct iw_param *param = &wrqu->param;
6500 u16 currentAuthType = local->config.authType;
6502 switch (param->flags & IW_AUTH_INDEX) {
6503 case IW_AUTH_DROP_UNENCRYPTED:
6504 switch (currentAuthType) {
6505 case AUTH_SHAREDKEY:
6515 case IW_AUTH_80211_AUTH_ALG:
6516 switch (currentAuthType) {
6517 case AUTH_SHAREDKEY:
6518 param->value = IW_AUTH_ALG_SHARED_KEY;
6522 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6527 case IW_AUTH_WPA_ENABLED:
6538 /*------------------------------------------------------------------*/
6540 * Wireless Handler : set Tx-Power
6542 static int airo_set_txpow(struct net_device *dev,
6543 struct iw_request_info *info,
6544 struct iw_param *vwrq,
6547 struct airo_info *local = dev->priv;
6548 CapabilityRid cap_rid; /* Card capability info */
6552 readCapabilityRid(local, &cap_rid, 1);
6554 if (vwrq->disabled) {
6555 set_bit (FLAG_RADIO_OFF, &local->flags);
6556 set_bit (FLAG_COMMIT, &local->flags);
6557 return -EINPROGRESS; /* Call commit handler */
6559 if (vwrq->flags != IW_TXPOW_MWATT) {
6562 clear_bit (FLAG_RADIO_OFF, &local->flags);
6563 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6564 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6565 readConfigRid(local, 1);
6566 local->config.txPower = vwrq->value;
6567 set_bit (FLAG_COMMIT, &local->flags);
6568 rc = -EINPROGRESS; /* Call commit handler */
6574 /*------------------------------------------------------------------*/
6576 * Wireless Handler : get Tx-Power
6578 static int airo_get_txpow(struct net_device *dev,
6579 struct iw_request_info *info,
6580 struct iw_param *vwrq,
6583 struct airo_info *local = dev->priv;
6585 readConfigRid(local, 1);
6586 vwrq->value = local->config.txPower;
6587 vwrq->fixed = 1; /* No power control */
6588 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6589 vwrq->flags = IW_TXPOW_MWATT;
6594 /*------------------------------------------------------------------*/
6596 * Wireless Handler : set Retry limits
6598 static int airo_set_retry(struct net_device *dev,
6599 struct iw_request_info *info,
6600 struct iw_param *vwrq,
6603 struct airo_info *local = dev->priv;
6606 if(vwrq->disabled) {
6609 readConfigRid(local, 1);
6610 if(vwrq->flags & IW_RETRY_LIMIT) {
6611 if(vwrq->flags & IW_RETRY_MAX)
6612 local->config.longRetryLimit = vwrq->value;
6613 else if (vwrq->flags & IW_RETRY_MIN)
6614 local->config.shortRetryLimit = vwrq->value;
6616 /* No modifier : set both */
6617 local->config.longRetryLimit = vwrq->value;
6618 local->config.shortRetryLimit = vwrq->value;
6620 set_bit (FLAG_COMMIT, &local->flags);
6621 rc = -EINPROGRESS; /* Call commit handler */
6623 if(vwrq->flags & IW_RETRY_LIFETIME) {
6624 local->config.txLifetime = vwrq->value / 1024;
6625 set_bit (FLAG_COMMIT, &local->flags);
6626 rc = -EINPROGRESS; /* Call commit handler */
6631 /*------------------------------------------------------------------*/
6633 * Wireless Handler : get Retry limits
6635 static int airo_get_retry(struct net_device *dev,
6636 struct iw_request_info *info,
6637 struct iw_param *vwrq,
6640 struct airo_info *local = dev->priv;
6642 vwrq->disabled = 0; /* Can't be disabled */
6644 readConfigRid(local, 1);
6645 /* Note : by default, display the min retry number */
6646 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6647 vwrq->flags = IW_RETRY_LIFETIME;
6648 vwrq->value = (int)local->config.txLifetime * 1024;
6649 } else if((vwrq->flags & IW_RETRY_MAX)) {
6650 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6651 vwrq->value = (int)local->config.longRetryLimit;
6653 vwrq->flags = IW_RETRY_LIMIT;
6654 vwrq->value = (int)local->config.shortRetryLimit;
6655 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6656 vwrq->flags |= IW_RETRY_MIN;
6662 /*------------------------------------------------------------------*/
6664 * Wireless Handler : get range info
6666 static int airo_get_range(struct net_device *dev,
6667 struct iw_request_info *info,
6668 struct iw_point *dwrq,
6671 struct airo_info *local = dev->priv;
6672 struct iw_range *range = (struct iw_range *) extra;
6673 CapabilityRid cap_rid; /* Card capability info */
6677 readCapabilityRid(local, &cap_rid, 1);
6679 dwrq->length = sizeof(struct iw_range);
6680 memset(range, 0, sizeof(*range));
6681 range->min_nwid = 0x0000;
6682 range->max_nwid = 0x0000;
6683 range->num_channels = 14;
6684 /* Should be based on cap_rid.country to give only
6685 * what the current card support */
6687 for(i = 0; i < 14; i++) {
6688 range->freq[k].i = i + 1; /* List index */
6689 range->freq[k].m = frequency_list[i] * 100000;
6690 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6692 range->num_frequency = k;
6694 range->sensitivity = 65535;
6696 /* Hum... Should put the right values there */
6698 range->max_qual.qual = 100; /* % */
6700 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6701 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6702 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6704 /* Experimental measurements - boundary 11/5.5 Mb/s */
6705 /* Note : with or without the (local->rssi), results
6706 * are somewhat different. - Jean II */
6708 range->avg_qual.qual = 50; /* % */
6709 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6711 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6712 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6714 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6716 for(i = 0 ; i < 8 ; i++) {
6717 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6718 if(range->bitrate[i] == 0)
6721 range->num_bitrates = i;
6723 /* Set an indication of the max TCP throughput
6724 * in bit/s that we can expect using this interface.
6725 * May be use for QoS stuff... Jean II */
6727 range->throughput = 5000 * 1000;
6729 range->throughput = 1500 * 1000;
6732 range->max_rts = AIRO_DEF_MTU;
6733 range->min_frag = 256;
6734 range->max_frag = AIRO_DEF_MTU;
6736 if(cap_rid.softCap & 2) {
6738 range->encoding_size[0] = 5;
6740 if (cap_rid.softCap & 0x100) {
6741 range->encoding_size[1] = 13;
6742 range->num_encoding_sizes = 2;
6744 range->num_encoding_sizes = 1;
6745 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6747 range->num_encoding_sizes = 0;
6748 range->max_encoding_tokens = 0;
6751 range->max_pmp = 5000000; /* 5 secs */
6753 range->max_pmt = 65535 * 1024; /* ??? */
6754 range->pmp_flags = IW_POWER_PERIOD;
6755 range->pmt_flags = IW_POWER_TIMEOUT;
6756 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6758 /* Transmit Power - values are in mW */
6759 for(i = 0 ; i < 8 ; i++) {
6760 range->txpower[i] = cap_rid.txPowerLevels[i];
6761 if(range->txpower[i] == 0)
6764 range->num_txpower = i;
6765 range->txpower_capa = IW_TXPOW_MWATT;
6766 range->we_version_source = 12;
6767 range->we_version_compiled = WIRELESS_EXT;
6768 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6769 range->retry_flags = IW_RETRY_LIMIT;
6770 range->r_time_flags = IW_RETRY_LIFETIME;
6771 range->min_retry = 1;
6772 range->max_retry = 65535;
6773 range->min_r_time = 1024;
6774 range->max_r_time = 65535 * 1024;
6776 /* Event capability (kernel + driver) */
6777 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6778 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6779 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6780 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6781 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6782 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6786 /*------------------------------------------------------------------*/
6788 * Wireless Handler : set Power Management
6790 static int airo_set_power(struct net_device *dev,
6791 struct iw_request_info *info,
6792 struct iw_param *vwrq,
6795 struct airo_info *local = dev->priv;
6797 readConfigRid(local, 1);
6798 if (vwrq->disabled) {
6799 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6802 local->config.powerSaveMode = POWERSAVE_CAM;
6803 local->config.rmode &= 0xFF00;
6804 local->config.rmode |= RXMODE_BC_MC_ADDR;
6805 set_bit (FLAG_COMMIT, &local->flags);
6806 return -EINPROGRESS; /* Call commit handler */
6808 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6809 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6810 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6811 set_bit (FLAG_COMMIT, &local->flags);
6812 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6813 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6814 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6815 set_bit (FLAG_COMMIT, &local->flags);
6817 switch (vwrq->flags & IW_POWER_MODE) {
6818 case IW_POWER_UNICAST_R:
6819 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6822 local->config.rmode &= 0xFF00;
6823 local->config.rmode |= RXMODE_ADDR;
6824 set_bit (FLAG_COMMIT, &local->flags);
6826 case IW_POWER_ALL_R:
6827 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6830 local->config.rmode &= 0xFF00;
6831 local->config.rmode |= RXMODE_BC_MC_ADDR;
6832 set_bit (FLAG_COMMIT, &local->flags);
6838 // Note : we may want to factor local->need_commit here
6839 // Note2 : may also want to factor RXMODE_RFMON test
6840 return -EINPROGRESS; /* Call commit handler */
6843 /*------------------------------------------------------------------*/
6845 * Wireless Handler : get Power Management
6847 static int airo_get_power(struct net_device *dev,
6848 struct iw_request_info *info,
6849 struct iw_param *vwrq,
6852 struct airo_info *local = dev->priv;
6855 readConfigRid(local, 1);
6856 mode = local->config.powerSaveMode;
6857 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6859 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6860 vwrq->value = (int)local->config.fastListenDelay * 1024;
6861 vwrq->flags = IW_POWER_TIMEOUT;
6863 vwrq->value = (int)local->config.fastListenInterval * 1024;
6864 vwrq->flags = IW_POWER_PERIOD;
6866 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6867 vwrq->flags |= IW_POWER_UNICAST_R;
6869 vwrq->flags |= IW_POWER_ALL_R;
6874 /*------------------------------------------------------------------*/
6876 * Wireless Handler : set Sensitivity
6878 static int airo_set_sens(struct net_device *dev,
6879 struct iw_request_info *info,
6880 struct iw_param *vwrq,
6883 struct airo_info *local = dev->priv;
6885 readConfigRid(local, 1);
6886 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6887 set_bit (FLAG_COMMIT, &local->flags);
6889 return -EINPROGRESS; /* Call commit handler */
6892 /*------------------------------------------------------------------*/
6894 * Wireless Handler : get Sensitivity
6896 static int airo_get_sens(struct net_device *dev,
6897 struct iw_request_info *info,
6898 struct iw_param *vwrq,
6901 struct airo_info *local = dev->priv;
6903 readConfigRid(local, 1);
6904 vwrq->value = local->config.rssiThreshold;
6905 vwrq->disabled = (vwrq->value == 0);
6911 /*------------------------------------------------------------------*/
6913 * Wireless Handler : get AP List
6914 * Note : this is deprecated in favor of IWSCAN
6916 static int airo_get_aplist(struct net_device *dev,
6917 struct iw_request_info *info,
6918 struct iw_point *dwrq,
6921 struct airo_info *local = dev->priv;
6922 struct sockaddr *address = (struct sockaddr *) extra;
6923 struct iw_quality qual[IW_MAX_AP];
6926 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6928 for (i = 0; i < IW_MAX_AP; i++) {
6929 if (readBSSListRid(local, loseSync, &BSSList))
6932 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6933 address[i].sa_family = ARPHRD_ETHER;
6935 qual[i].level = 0x100 - BSSList.dBm;
6936 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6937 qual[i].updated = IW_QUAL_QUAL_UPDATED
6938 | IW_QUAL_LEVEL_UPDATED
6941 qual[i].level = (BSSList.dBm + 321) / 2;
6943 qual[i].updated = IW_QUAL_QUAL_INVALID
6944 | IW_QUAL_LEVEL_UPDATED
6947 qual[i].noise = local->wstats.qual.noise;
6948 if (BSSList.index == 0xffff)
6952 StatusRid status_rid; /* Card status info */
6953 readStatusRid(local, &status_rid, 1);
6955 i < min(IW_MAX_AP, 4) &&
6956 (status_rid.bssid[i][0]
6957 & status_rid.bssid[i][1]
6958 & status_rid.bssid[i][2]
6959 & status_rid.bssid[i][3]
6960 & status_rid.bssid[i][4]
6961 & status_rid.bssid[i][5])!=0xff &&
6962 (status_rid.bssid[i][0]
6963 | status_rid.bssid[i][1]
6964 | status_rid.bssid[i][2]
6965 | status_rid.bssid[i][3]
6966 | status_rid.bssid[i][4]
6967 | status_rid.bssid[i][5]);
6969 memcpy(address[i].sa_data,
6970 status_rid.bssid[i], ETH_ALEN);
6971 address[i].sa_family = ARPHRD_ETHER;
6974 dwrq->flags = 1; /* Should be define'd */
6975 memcpy(extra + sizeof(struct sockaddr)*i,
6976 &qual, sizeof(struct iw_quality)*i);
6983 /*------------------------------------------------------------------*/
6985 * Wireless Handler : Initiate Scan
6987 static int airo_set_scan(struct net_device *dev,
6988 struct iw_request_info *info,
6989 struct iw_param *vwrq,
6992 struct airo_info *ai = dev->priv;
6996 /* Note : you may have realised that, as this is a SET operation,
6997 * this is privileged and therefore a normal user can't
6999 * This is not an error, while the device perform scanning,
7000 * traffic doesn't flow, so it's a perfect DoS...
7002 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7004 /* Initiate a scan command */
7005 memset(&cmd, 0, sizeof(cmd));
7006 cmd.cmd=CMD_LISTBSS;
7007 if (down_interruptible(&ai->sem))
7008 return -ERESTARTSYS;
7009 issuecommand(ai, &cmd, &rsp);
7010 ai->scan_timestamp = jiffies;
7013 /* At this point, just return to the user. */
7018 /*------------------------------------------------------------------*/
7020 * Translate scan data returned from the card to a card independent
7021 * format that the Wireless Tools will understand - Jean II
7023 static inline char *airo_translate_scan(struct net_device *dev,
7028 struct airo_info *ai = dev->priv;
7029 struct iw_event iwe; /* Temporary buffer */
7031 char * current_val; /* For rates */
7034 /* First entry *MUST* be the AP MAC address */
7035 iwe.cmd = SIOCGIWAP;
7036 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7037 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7038 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7040 /* Other entries will be displayed in the order we give them */
7043 iwe.u.data.length = bss->ssidLen;
7044 if(iwe.u.data.length > 32)
7045 iwe.u.data.length = 32;
7046 iwe.cmd = SIOCGIWESSID;
7047 iwe.u.data.flags = 1;
7048 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7051 iwe.cmd = SIOCGIWMODE;
7052 capabilities = le16_to_cpu(bss->cap);
7053 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7054 if(capabilities & CAP_ESS)
7055 iwe.u.mode = IW_MODE_MASTER;
7057 iwe.u.mode = IW_MODE_ADHOC;
7058 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7062 iwe.cmd = SIOCGIWFREQ;
7063 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7064 /* iwe.u.freq.m containt the channel (starting 1), our
7065 * frequency_list array start at index 0...
7067 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7069 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7071 /* Add quality statistics */
7074 iwe.u.qual.level = 0x100 - bss->dBm;
7075 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7076 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7077 | IW_QUAL_LEVEL_UPDATED
7080 iwe.u.qual.level = (bss->dBm + 321) / 2;
7081 iwe.u.qual.qual = 0;
7082 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7083 | IW_QUAL_LEVEL_UPDATED
7086 iwe.u.qual.noise = ai->wstats.qual.noise;
7087 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7089 /* Add encryption capability */
7090 iwe.cmd = SIOCGIWENCODE;
7091 if(capabilities & CAP_PRIVACY)
7092 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7094 iwe.u.data.flags = IW_ENCODE_DISABLED;
7095 iwe.u.data.length = 0;
7096 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7098 /* Rate : stuffing multiple values in a single event require a bit
7099 * more of magic - Jean II */
7100 current_val = current_ev + IW_EV_LCP_LEN;
7102 iwe.cmd = SIOCGIWRATE;
7103 /* Those two flags are ignored... */
7104 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7106 for(i = 0 ; i < 8 ; i++) {
7107 /* NULL terminated */
7108 if(bss->rates[i] == 0)
7110 /* Bit rate given in 500 kb/s units (+ 0x80) */
7111 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7112 /* Add new value to event */
7113 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7115 /* Check if we added any event */
7116 if((current_val - current_ev) > IW_EV_LCP_LEN)
7117 current_ev = current_val;
7119 /* The other data in the scan result are not really
7120 * interesting, so for now drop it - Jean II */
7124 /*------------------------------------------------------------------*/
7126 * Wireless Handler : Read Scan Results
7128 static int airo_get_scan(struct net_device *dev,
7129 struct iw_request_info *info,
7130 struct iw_point *dwrq,
7133 struct airo_info *ai = dev->priv;
7136 char *current_ev = extra;
7138 /* When we are associated again, the scan has surely finished.
7139 * Just in case, let's make sure enough time has elapsed since
7140 * we started the scan. - Javier */
7141 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
7142 /* Important note : we don't want to block the caller
7143 * until results are ready for various reasons.
7144 * First, managing wait queues is complex and racy
7145 * (there may be multiple simultaneous callers).
7146 * Second, we grab some rtnetlink lock before comming
7147 * here (in dev_ioctl()).
7148 * Third, the caller can wait on the Wireless Event
7152 ai->scan_timestamp = 0;
7154 /* There's only a race with proc_BSSList_open(), but its
7155 * consequences are begnign. So I don't bother fixing it - Javier */
7157 /* Try to read the first entry of the scan result */
7158 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
7159 if((rc) || (BSSList.index == 0xffff)) {
7160 /* Client error, no scan results...
7161 * The caller need to restart the scan. */
7165 /* Read and parse all entries */
7166 while((!rc) && (BSSList.index != 0xffff)) {
7167 /* Translate to WE format this entry */
7168 current_ev = airo_translate_scan(dev, current_ev,
7169 extra + dwrq->length,
7172 /* Check if there is space for one more entry */
7173 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7174 /* Ask user space to try again with a bigger buffer */
7178 /* Read next entry */
7179 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
7180 &BSSList, sizeof(BSSList), 1);
7182 /* Length of data */
7183 dwrq->length = (current_ev - extra);
7184 dwrq->flags = 0; /* todo */
7189 /*------------------------------------------------------------------*/
7191 * Commit handler : called after a bunch of SET operations
7193 static int airo_config_commit(struct net_device *dev,
7194 struct iw_request_info *info, /* NULL */
7195 void *zwrq, /* NULL */
7196 char *extra) /* NULL */
7198 struct airo_info *local = dev->priv;
7201 if (!test_bit (FLAG_COMMIT, &local->flags))
7204 /* Some of the "SET" function may have modified some of the
7205 * parameters. It's now time to commit them in the card */
7206 disable_MAC(local, 1);
7207 if (test_bit (FLAG_RESET, &local->flags)) {
7208 APListRid APList_rid;
7211 readAPListRid(local, &APList_rid);
7212 readSsidRid(local, &SSID_rid);
7213 if (test_bit(FLAG_MPI,&local->flags))
7214 setup_card(local, dev->dev_addr, 1 );
7216 reset_airo_card(dev);
7217 disable_MAC(local, 1);
7218 writeSsidRid(local, &SSID_rid, 1);
7219 writeAPListRid(local, &APList_rid, 1);
7221 if (down_interruptible(&local->sem))
7222 return -ERESTARTSYS;
7223 writeConfigRid(local, 0);
7224 enable_MAC(local, &rsp, 0);
7225 if (test_bit (FLAG_RESET, &local->flags))
7226 airo_set_promisc(local);
7233 /*------------------------------------------------------------------*/
7235 * Structures to export the Wireless Handlers
7238 static const struct iw_priv_args airo_private_args[] = {
7239 /*{ cmd, set_args, get_args, name } */
7240 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7241 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7242 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7243 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7246 static const iw_handler airo_handler[] =
7248 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7249 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7250 (iw_handler) NULL, /* SIOCSIWNWID */
7251 (iw_handler) NULL, /* SIOCGIWNWID */
7252 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7253 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7254 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7255 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7256 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7257 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7258 (iw_handler) NULL, /* SIOCSIWRANGE */
7259 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7260 (iw_handler) NULL, /* SIOCSIWPRIV */
7261 (iw_handler) NULL, /* SIOCGIWPRIV */
7262 (iw_handler) NULL, /* SIOCSIWSTATS */
7263 (iw_handler) NULL, /* SIOCGIWSTATS */
7264 iw_handler_set_spy, /* SIOCSIWSPY */
7265 iw_handler_get_spy, /* SIOCGIWSPY */
7266 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7267 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7268 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7269 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7270 (iw_handler) NULL, /* -- hole -- */
7271 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7272 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7273 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7274 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7275 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7276 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7277 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7278 (iw_handler) NULL, /* -- hole -- */
7279 (iw_handler) NULL, /* -- hole -- */
7280 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7281 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7282 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7283 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7284 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7285 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7286 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7287 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7288 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7289 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7290 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7291 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7292 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7293 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7294 (iw_handler) NULL, /* -- hole -- */
7295 (iw_handler) NULL, /* -- hole -- */
7296 (iw_handler) NULL, /* SIOCSIWGENIE */
7297 (iw_handler) NULL, /* SIOCGIWGENIE */
7298 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7299 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7300 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7301 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7302 (iw_handler) NULL, /* SIOCSIWPMKSA */
7305 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7306 * We want to force the use of the ioctl code, because those can't be
7307 * won't work the iw_handler code (because they simultaneously read
7308 * and write data and iw_handler can't do that).
7309 * Note that it's perfectly legal to read/write on a single ioctl command,
7310 * you just can't use iwpriv and need to force it via the ioctl handler.
7312 static const iw_handler airo_private_handler[] =
7314 NULL, /* SIOCIWFIRSTPRIV */
7317 static const struct iw_handler_def airo_handler_def =
7319 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7320 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7321 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7322 .standard = airo_handler,
7323 .private = airo_private_handler,
7324 .private_args = airo_private_args,
7325 .get_wireless_stats = airo_get_wireless_stats,
7329 * This defines the configuration part of the Wireless Extensions
7330 * Note : irq and spinlock protection will occur in the subroutines
7333 * o Check input value more carefully and fill correct values in range
7334 * o Test and shakeout the bugs (if any)
7338 * Javier Achirica did a great job of merging code from the unnamed CISCO
7339 * developer that added support for flashing the card.
7341 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7344 struct airo_info *ai = (struct airo_info *)dev->priv;
7346 if (ai->power.event)
7356 int val = AIROMAGIC;
7358 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7360 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7369 /* Get the command struct and hand it off for evaluation by
7370 * the proper subfunction
7374 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7379 /* Separate R/W functions bracket legality here
7381 if ( com.command == AIRORSWVERSION ) {
7382 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7387 else if ( com.command <= AIRORRID)
7388 rc = readrids(dev,&com);
7389 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7390 rc = writerids(dev,&com);
7391 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7392 rc = flashcard(dev,&com);
7394 rc = -EINVAL; /* Bad command in ioctl */
7397 #endif /* CISCO_EXT */
7399 // All other calls are currently unsupported
7407 * Get the Wireless stats out of the driver
7408 * Note : irq and spinlock protection will occur in the subroutines
7411 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7415 static void airo_read_wireless_stats(struct airo_info *local)
7417 StatusRid status_rid;
7419 CapabilityRid cap_rid;
7420 u32 *vals = stats_rid.vals;
7422 /* Get stats out of the card */
7423 clear_bit(JOB_WSTATS, &local->flags);
7424 if (local->power.event) {
7428 readCapabilityRid(local, &cap_rid, 0);
7429 readStatusRid(local, &status_rid, 0);
7430 readStatsRid(local, &stats_rid, RID_STATS, 0);
7434 local->wstats.status = status_rid.mode;
7436 /* Signal quality and co */
7438 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7439 /* normalizedSignalStrength appears to be a percentage */
7440 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7442 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7443 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7445 if (status_rid.len >= 124) {
7446 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7447 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7449 local->wstats.qual.noise = 0;
7450 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7453 /* Packets discarded in the wireless adapter due to wireless
7454 * specific problems */
7455 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7456 local->wstats.discard.code = vals[6];/* RxWepErr */
7457 local->wstats.discard.fragment = vals[30];
7458 local->wstats.discard.retries = vals[10];
7459 local->wstats.discard.misc = vals[1] + vals[32];
7460 local->wstats.miss.beacon = vals[34];
7463 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7465 struct airo_info *local = dev->priv;
7467 if (!test_bit(JOB_WSTATS, &local->flags)) {
7468 /* Get stats out of the card if available */
7469 if (down_trylock(&local->sem) != 0) {
7470 set_bit(JOB_WSTATS, &local->flags);
7471 wake_up_interruptible(&local->thr_wait);
7473 airo_read_wireless_stats(local);
7476 return &local->wstats;
7481 * This just translates from driver IOCTL codes to the command codes to
7482 * feed to the radio's host interface. Things can be added/deleted
7483 * as needed. This represents the READ side of control I/O to
7486 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7487 unsigned short ridcode;
7488 unsigned char *iobuf;
7490 struct airo_info *ai = dev->priv;
7493 if (test_bit(FLAG_FLASHING, &ai->flags))
7496 switch(comp->command)
7498 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7499 case AIROGCFG: ridcode = RID_CONFIG;
7500 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7501 disable_MAC (ai, 1);
7502 writeConfigRid (ai, 1);
7503 enable_MAC (ai, &rsp, 1);
7506 case AIROGSLIST: ridcode = RID_SSID; break;
7507 case AIROGVLIST: ridcode = RID_APLIST; break;
7508 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7509 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7510 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7511 /* Only super-user can read WEP keys */
7512 if (!capable(CAP_NET_ADMIN))
7515 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7516 /* Only super-user can read WEP keys */
7517 if (!capable(CAP_NET_ADMIN))
7520 case AIROGSTAT: ridcode = RID_STATUS; break;
7521 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7522 case AIROGSTATSC32: ridcode = RID_STATS; break;
7524 if (copy_to_user(comp->data, &ai->micstats,
7525 min((int)comp->len,(int)sizeof(ai->micstats))))
7528 case AIRORRID: ridcode = comp->ridnum; break;
7534 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7537 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7538 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7539 * then return it to the user
7540 * 9/22/2000 Honor user given length
7544 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7553 * Danger Will Robinson write the rids here
7556 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7557 struct airo_info *ai = dev->priv;
7561 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7562 unsigned char *iobuf;
7564 /* Only super-user can write RIDs */
7565 if (!capable(CAP_NET_ADMIN))
7568 if (test_bit(FLAG_FLASHING, &ai->flags))
7572 writer = do_writerid;
7574 switch(comp->command)
7576 case AIROPSIDS: ridcode = RID_SSID; break;
7577 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7578 case AIROPAPLIST: ridcode = RID_APLIST; break;
7579 case AIROPCFG: ai->config.len = 0;
7580 clear_bit(FLAG_COMMIT, &ai->flags);
7581 ridcode = RID_CONFIG; break;
7582 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7583 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7584 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7585 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7587 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7588 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7590 /* this is not really a rid but a command given to the card
7594 if (enable_MAC(ai, &rsp, 1) != 0)
7599 * Evidently this code in the airo driver does not get a symbol
7600 * as disable_MAC. it's probably so short the compiler does not gen one.
7606 /* This command merely clears the counts does not actually store any data
7607 * only reads rid. But as it changes the cards state, I put it in the
7608 * writerid routines.
7611 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7614 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7616 enabled = ai->micstats.enabled;
7617 memset(&ai->micstats,0,sizeof(ai->micstats));
7618 ai->micstats.enabled = enabled;
7620 if (copy_to_user(comp->data, iobuf,
7621 min((int)comp->len, (int)RIDSIZE))) {
7629 return -EOPNOTSUPP; /* Blarg! */
7631 if(comp->len > RIDSIZE)
7634 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7637 if (copy_from_user(iobuf,comp->data,comp->len)) {
7642 if (comp->command == AIROPCFG) {
7643 ConfigRid *cfg = (ConfigRid *)iobuf;
7645 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7646 cfg->opmode |= MODE_MIC;
7648 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7649 set_bit (FLAG_ADHOC, &ai->flags);
7651 clear_bit (FLAG_ADHOC, &ai->flags);
7654 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7662 /*****************************************************************************
7663 * Ancillary flash / mod functions much black magic lurkes here *
7664 *****************************************************************************
7668 * Flash command switch table
7671 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7674 /* Only super-user can modify flash */
7675 if (!capable(CAP_NET_ADMIN))
7678 switch(comp->command)
7681 return cmdreset((struct airo_info *)dev->priv);
7684 if (!((struct airo_info *)dev->priv)->flash &&
7685 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7687 return setflashmode((struct airo_info *)dev->priv);
7689 case AIROFLSHGCHR: /* Get char from aux */
7690 if(comp->len != sizeof(int))
7692 if (copy_from_user(&z,comp->data,comp->len))
7694 return flashgchar((struct airo_info *)dev->priv,z,8000);
7696 case AIROFLSHPCHR: /* Send char to card. */
7697 if(comp->len != sizeof(int))
7699 if (copy_from_user(&z,comp->data,comp->len))
7701 return flashpchar((struct airo_info *)dev->priv,z,8000);
7703 case AIROFLPUTBUF: /* Send 32k to card */
7704 if (!((struct airo_info *)dev->priv)->flash)
7706 if(comp->len > FLASHSIZE)
7708 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7711 flashputbuf((struct airo_info *)dev->priv);
7715 if(flashrestart((struct airo_info *)dev->priv,dev))
7722 #define FLASH_COMMAND 0x7e7e
7726 * Disable MAC and do soft reset on
7730 static int cmdreset(struct airo_info *ai) {
7734 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7738 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7740 ssleep(1); /* WAS 600 12/7/00 */
7743 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7750 * Put the card in legendary flash
7754 static int setflashmode (struct airo_info *ai) {
7755 set_bit (FLAG_FLASHING, &ai->flags);
7757 OUT4500(ai, SWS0, FLASH_COMMAND);
7758 OUT4500(ai, SWS1, FLASH_COMMAND);
7760 OUT4500(ai, SWS0, FLASH_COMMAND);
7761 OUT4500(ai, COMMAND,0x10);
7763 OUT4500(ai, SWS2, FLASH_COMMAND);
7764 OUT4500(ai, SWS3, FLASH_COMMAND);
7765 OUT4500(ai, COMMAND,0);
7767 msleep(500); /* 500ms delay */
7770 clear_bit (FLAG_FLASHING, &ai->flags);
7771 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7777 /* Put character to SWS0 wait for dwelltime
7781 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7792 /* Wait for busy bit d15 to go false indicating buffer empty */
7793 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7798 /* timeout for busy clear wait */
7800 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
7804 /* Port is clear now write byte and wait for it to echo back */
7806 OUT4500(ai,SWS0,byte);
7809 echo = IN4500(ai,SWS1);
7810 } while (dwelltime >= 0 && echo != byte);
7814 return (echo == byte) ? 0 : -EIO;
7818 * Get a character from the card matching matchbyte
7821 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7823 unsigned char rbyte=0;
7826 rchar = IN4500(ai,SWS1);
7828 if(dwelltime && !(0x8000 & rchar)){
7833 rbyte = 0xff & rchar;
7835 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7839 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7843 }while(dwelltime > 0);
7848 * Transfer 32k of firmware data from user buffer to our buffer and
7852 static int flashputbuf(struct airo_info *ai){
7856 if (test_bit(FLAG_MPI,&ai->flags))
7857 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7859 OUT4500(ai,AUXPAGE,0x100);
7860 OUT4500(ai,AUXOFF,0);
7862 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7863 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7866 OUT4500(ai,SWS0,0x8000);
7874 static int flashrestart(struct airo_info *ai,struct net_device *dev){
7877 ssleep(1); /* Added 12/7/00 */
7878 clear_bit (FLAG_FLASHING, &ai->flags);
7879 if (test_bit(FLAG_MPI, &ai->flags)) {
7880 status = mpi_init_descriptors(ai);
7881 if (status != SUCCESS)
7884 status = setup_card(ai, dev->dev_addr, 1);
7886 if (!test_bit(FLAG_MPI,&ai->flags))
7887 for( i = 0; i < MAX_FIDS; i++ ) {
7888 ai->fids[i] = transmit_allocate
7889 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
7892 ssleep(1); /* Added 12/7/00 */
7895 #endif /* CISCO_EXT */
7898 This program is free software; you can redistribute it and/or
7899 modify it under the terms of the GNU General Public License
7900 as published by the Free Software Foundation; either version 2
7901 of the License, or (at your option) any later version.
7903 This program is distributed in the hope that it will be useful,
7904 but WITHOUT ANY WARRANTY; without even the implied warranty of
7905 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7906 GNU General Public License for more details.
7910 Redistribution and use in source and binary forms, with or without
7911 modification, are permitted provided that the following conditions
7914 1. Redistributions of source code must retain the above copyright
7915 notice, this list of conditions and the following disclaimer.
7916 2. Redistributions in binary form must reproduce the above copyright
7917 notice, this list of conditions and the following disclaimer in the
7918 documentation and/or other materials provided with the distribution.
7919 3. The name of the author may not be used to endorse or promote
7920 products derived from this software without specific prior written
7923 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7924 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7925 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7926 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7927 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7928 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7929 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7930 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7931 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7932 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7933 POSSIBILITY OF SUCH DAMAGE.
7936 module_init(airo_init_module);
7937 module_exit(airo_cleanup_module);