1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
56 #define DRV_NAME "airo"
59 static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 MODULE_DEVICE_TABLE(pci, card_ids);
71 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72 static void airo_pci_remove(struct pci_dev *);
73 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
74 static int airo_pci_resume(struct pci_dev *pdev);
76 static struct pci_driver airo_driver = {
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
84 #endif /* CONFIG_PCI */
86 /* Include Wireless Extension definition and check version - Jean II */
87 #include <linux/wireless.h>
88 #define WIRELESS_SPY /* enable iwspy support */
89 #include <net/iw_handler.h> /* New driver API */
91 #define CISCO_EXT /* enable Cisco extensions */
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static int basic_rate;
219 static char *ssids[3];
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
233 static int probe = 1;
235 static int proc_uid /* = 0 */;
237 static int proc_gid /* = 0 */;
239 static int airo_perm = 0555;
241 static int proc_perm = 0644;
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param(basic_rate, int, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO /* = 0 */;
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
372 #define LINKSTAT 0x10
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
397 /* Size of the transmit queue */
401 #define BAP0 0 /* Used for receiving packets */
402 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
405 #define COMMAND_BUSY 0x8000
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
415 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #define IGNORE_INTS (~STATUS_INTS)
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
498 /* This is redundant for x86 archs, but it seems necessary for ARM */
501 /* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
511 /* These structures are from the Aironet's PC4500 Developers Manual */
525 #define MOD_DEFAULT cpu_to_le16(0)
526 #define MOD_CCK cpu_to_le16(1)
527 #define MOD_MOK cpu_to_le16(2)
531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533 #define MODE_STA_IBSS cpu_to_le16(0)
534 #define MODE_STA_ESS cpu_to_le16(1)
535 #define MODE_AP cpu_to_le16(2)
536 #define MODE_AP_RPTR cpu_to_le16(3)
537 #define MODE_CFG_MASK cpu_to_le16(0xff)
538 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554 #define RXMODE_MASK cpu_to_le16(255)
555 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
560 u8 macAddr[ETH_ALEN];
562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
568 __le16 u16deviceType; /* for overriding device type */
571 __le16 _reserved1[3];
572 /*---------- Scanning/Associating ----------*/
574 #define SCANMODE_ACTIVE cpu_to_le16(0)
575 #define SCANMODE_PASSIVE cpu_to_le16(1)
576 #define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
584 #define AUTH_OPEN cpu_to_le16(0x1)
585 #define AUTH_ENCRYPT cpu_to_le16(0x101)
586 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
587 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
597 /*---------- Power save operation ----------*/
598 __le16 powerSaveMode;
599 #define POWERSAVE_CAM cpu_to_le16(0)
600 #define POWERSAVE_PSP cpu_to_le16(1)
601 #define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
608 /*---------- Ap/Ibss config items ----------*/
615 __le16 bridgeDistance;
617 /*---------- Radio configuration ----------*/
619 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
620 #define RADIOTYPE_802_11 cpu_to_le16(1)
621 #define RADIOTYPE_LEGACY cpu_to_le16(2)
625 #define TXPOWER_DEFAULT 0
626 __le16 rssiThreshold;
627 #define RSSI_DEFAULT 0
629 #define PREAMBLE_AUTO cpu_to_le16(0)
630 #define PREAMBLE_LONG cpu_to_le16(1)
631 #define PREAMBLE_SHORT cpu_to_le16(2)
634 __le16 radioSpecific;
635 /*---------- Aironet Extensions ----------*/
640 __le16 _reserved4[1];
641 /*---------- Aironet Extensions ----------*/
643 #define MAGIC_ACTION_STSCHG 1
644 #define MAGIC_ACTION_RESUME 2
645 #define MAGIC_IGNORE_MCAST (1<<8)
646 #define MAGIC_IGNORE_BCAST (1<<9)
647 #define MAGIC_SWITCH_TO_PSP (0<<10)
648 #define MAGIC_STAY_IN_CAM (1<<10)
662 u8 bssid[4][ETH_ALEN];
669 __le16 hopsToBackbone;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
688 #define STAT_NOPACKETS 0
689 #define STAT_NOCARRIERSET 10
690 #define STAT_GOTCARRIERSET 11
691 #define STAT_WRONGSSID 20
692 #define STAT_BADCHANNEL 25
693 #define STAT_BADBITRATES 30
694 #define STAT_BADPRIVACY 35
695 #define STAT_APFOUND 40
696 #define STAT_APREJECTED 50
697 #define STAT_AUTHENTICATING 60
698 #define STAT_DEAUTHENTICATED 61
699 #define STAT_AUTHTIMEOUT 62
700 #define STAT_ASSOCIATING 70
701 #define STAT_DEASSOCIATED 71
702 #define STAT_ASSOCTIMEOUT 72
703 #define STAT_NOTAIROAP 73
704 #define STAT_ASSOCIATED 80
705 #define STAT_LEAPING 90
706 #define STAT_LEAPFAILED 91
707 #define STAT_LEAPTIMEDOUT 92
708 #define STAT_LEAPCOMPLETE 93
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
735 char callid[ETH_ALEN];
736 char supportedRates[8];
739 __le16 txPowerLevels[8];
753 /* Only present on firmware >= 5.30.17 */
756 u8 fixed[12]; /* WLAN management frame */
762 __le16 index; /* First is 0 and 0xffff means end of list */
763 #define RADIO_FH 1 /* Frequency hopping radio type */
764 #define RADIO_DS 2 /* Direct sequence radio type */
765 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
772 #define CAP_ESS cpu_to_le16(1<<0)
773 #define CAP_IBSS cpu_to_le16(1<<1)
774 #define CAP_PRIVACY cpu_to_le16(1<<4)
775 #define CAP_SHORTHDR cpu_to_le16(1<<5)
777 __le16 beaconInterval;
778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
795 struct list_head list;
841 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
842 #define TXCTL_TXEX (1<<2) /* report if tx fails */
843 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
844 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846 #define TXCTL_LLC (1<<4) /* payload is llc */
847 #define TXCTL_RELEASE (0<<5) /* release after completion */
848 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
850 #define BUSY_FID 0x10000
853 #define AIROMAGIC 0xa55a
854 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855 #ifdef SIOCIWFIRSTPRIV
856 #ifdef SIOCDEVPRIVATE
857 #define AIROOLDIOCTL SIOCDEVPRIVATE
858 #define AIROOLDIDIFC AIROOLDIOCTL + 1
859 #endif /* SIOCDEVPRIVATE */
860 #else /* SIOCIWFIRSTPRIV */
861 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862 #endif /* SIOCIWFIRSTPRIV */
863 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867 #define AIROIOCTL SIOCIWFIRSTPRIV
868 #define AIROIDIFC AIROIOCTL + 1
870 /* Ioctl constants to be used in airo_ioctl.command */
872 #define AIROGCAP 0 // Capability rid
873 #define AIROGCFG 1 // USED A LOT
874 #define AIROGSLIST 2 // System ID list
875 #define AIROGVLIST 3 // List of specified AP's
876 #define AIROGDRVNAM 4 // NOTUSED
877 #define AIROGEHTENC 5 // NOTUSED
878 #define AIROGWEPKTMP 6
879 #define AIROGWEPKNV 7
881 #define AIROGSTATSC32 9
882 #define AIROGSTATSD32 10
883 #define AIROGMICRID 11
884 #define AIROGMICSTATS 12
885 #define AIROGFLAGS 13
888 #define AIRORSWVERSION 17
890 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
892 #define AIROPCAP AIROGSTATSD32 + 40
893 #define AIROPVLIST AIROPCAP + 1
894 #define AIROPSLIST AIROPVLIST + 1
895 #define AIROPCFG AIROPSLIST + 1
896 #define AIROPSIDS AIROPCFG + 1
897 #define AIROPAPLIST AIROPSIDS + 1
898 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900 #define AIROPSTCLR AIROPMACOFF + 1
901 #define AIROPWEPKEY AIROPSTCLR + 1
902 #define AIROPWEPKEYNV AIROPWEPKEY + 1
903 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
904 #define AIROPLEAPUSR AIROPLEAPPWD + 1
908 #define AIROFLSHRST AIROPWEPKEYNV + 40
909 #define AIROFLSHGCHR AIROFLSHRST + 1
910 #define AIROFLSHSTFL AIROFLSHGCHR + 1
911 #define AIROFLSHPCHR AIROFLSHSTFL + 1
912 #define AIROFLPUTBUF AIROFLSHPCHR + 1
913 #define AIRORESTART AIROFLPUTBUF + 1
915 #define FLASHSIZE 32768
916 #define AUXMEMSIZE (256 * 1024)
918 typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
925 static char swversion[] = "2.1";
926 #endif /* CISCO_EXT */
928 #define NUM_MODULES 2
929 #define MIC_MSGLEN_MAX 2400
930 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
931 #define AIRO_DEF_MTU 2312
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
951 } part; // saves partial message word across update() calls
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
976 unsigned int offset: 15;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
984 unsigned int ctl: 15;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
992 * Host receive descriptor
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
1004 * Host transmit descriptor
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1016 * Host RID descriptor
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1031 #define HOST_SET (1 << 0)
1032 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038 #define HOST_RTS (1 << 9) /* Force RTS use */
1039 #define HOST_SHORT (1 << 10) /* Do short preamble */
1066 static WifiCtlHdr wifictlhdr8023 = {
1068 .ctl = HOST_DONT_RLSE,
1072 // Frequency list (map channels to frequencies)
1073 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1076 // A few details needed for WEP (Wireless Equivalent Privacy)
1077 #define MAX_KEY_SIZE 13 // 128 (?) bits
1078 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079 typedef struct wep_key_t {
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1084 /* Backward compatibility */
1085 #ifndef IW_ENCODE_NOKEY
1086 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088 #endif /* IW_ENCODE_NOKEY */
1090 /* List of Wireless Handlers (new API) */
1091 static const struct iw_handler_def airo_handler_def;
1093 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1097 static int get_dec_u16( char *buffer, int *start, int limit );
1098 static void OUT4500( struct airo_info *, u16 register, u16 value );
1099 static unsigned short IN4500( struct airo_info *, u16 register );
1100 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1101 static int enable_MAC(struct airo_info *ai, int lock);
1102 static void disable_MAC(struct airo_info *ai, int lock);
1103 static void enable_interrupts(struct airo_info*);
1104 static void disable_interrupts(struct airo_info*);
1105 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1107 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1109 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1111 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1113 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1123 static int mpi_send_packet (struct net_device *dev);
1124 static void mpi_unmap_card(struct pci_dev *pci);
1125 static void mpi_receive_802_3(struct airo_info *ai);
1126 static void mpi_receive_802_11(struct airo_info *ai);
1127 static int waitbusy (struct airo_info *ai);
1129 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1130 static int airo_thread(void *data);
1131 static void timer_func( struct net_device *dev );
1132 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1133 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1134 static void airo_read_wireless_stats (struct airo_info *local);
1136 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1138 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1139 #endif /* CISCO_EXT */
1140 static void micinit(struct airo_info *ai);
1141 static int micsetup(struct airo_info *ai);
1142 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1145 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1148 static void airo_networks_free(struct airo_info *ai);
1151 struct net_device *dev;
1152 struct list_head dev_list;
1153 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1154 use the high bit to mark whether it is in use. */
1156 #define MPI_MAX_FIDS 1
1159 char keyindex; // Used with auto wep
1160 char defindex; // Used with auto wep
1161 struct proc_dir_entry *proc_entry;
1162 spinlock_t aux_lock;
1163 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1164 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1165 #define FLAG_RADIO_MASK 0x03
1166 #define FLAG_ENABLED 2
1167 #define FLAG_ADHOC 3 /* Needed by MIC */
1168 #define FLAG_MIC_CAPABLE 4
1169 #define FLAG_UPDATE_MULTI 5
1170 #define FLAG_UPDATE_UNI 6
1171 #define FLAG_802_11 7
1172 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1173 #define FLAG_PENDING_XMIT 9
1174 #define FLAG_PENDING_XMIT11 10
1176 #define FLAG_REGISTERED 12
1177 #define FLAG_COMMIT 13
1178 #define FLAG_RESET 14
1179 #define FLAG_FLASHING 15
1180 #define FLAG_WPA_CAPABLE 16
1181 unsigned long flags;
1184 #define JOB_XMIT11 2
1186 #define JOB_PROMISC 4
1189 #define JOB_AUTOWEP 7
1190 #define JOB_WSTATS 8
1191 #define JOB_SCAN_RESULTS 9
1193 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1195 unsigned short *flash;
1197 struct task_struct *list_bss_task;
1198 struct task_struct *airo_thread_task;
1199 struct semaphore sem;
1200 wait_queue_head_t thr_wait;
1201 unsigned long expires;
1203 struct sk_buff *skb;
1206 struct net_device *wifidev;
1207 struct iw_statistics wstats; // wireless stats
1208 unsigned long scan_timeout; /* Time scan should be read */
1209 struct iw_spy_data spy_data;
1210 struct iw_public_data wireless_data;
1212 struct crypto_cipher *tfm;
1214 mic_statistics micstats;
1215 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1216 HostTxDesc txfids[MPI_MAX_FIDS];
1217 HostRidDesc config_desc;
1218 unsigned long ridbus; // phys addr of config_desc
1219 struct sk_buff_head txq;// tx queue used by mpi350 code
1220 struct pci_dev *pci;
1221 unsigned char __iomem *pcimem;
1222 unsigned char __iomem *pciaux;
1223 unsigned char *shared;
1224 dma_addr_t shared_dma;
1228 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1229 char proc_name[IFNAMSIZ];
1231 /* WPA-related stuff */
1232 unsigned int bssListFirst;
1233 unsigned int bssListNext;
1234 unsigned int bssListRidLen;
1236 struct list_head network_list;
1237 struct list_head network_free_list;
1238 BSSListElement *networks;
1241 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1244 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1247 static int setup_proc_entry( struct net_device *dev,
1248 struct airo_info *apriv );
1249 static int takedown_proc_entry( struct net_device *dev,
1250 struct airo_info *apriv );
1252 static int cmdreset(struct airo_info *ai);
1253 static int setflashmode (struct airo_info *ai);
1254 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1255 static int flashputbuf(struct airo_info *ai);
1256 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1258 #define airo_print(type, name, fmt, args...) \
1259 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1261 #define airo_print_info(name, fmt, args...) \
1262 airo_print(KERN_INFO, name, fmt, ##args)
1264 #define airo_print_dbg(name, fmt, args...) \
1265 airo_print(KERN_DEBUG, name, fmt, ##args)
1267 #define airo_print_warn(name, fmt, args...) \
1268 airo_print(KERN_WARNING, name, fmt, ##args)
1270 #define airo_print_err(name, fmt, args...) \
1271 airo_print(KERN_ERR, name, fmt, ##args)
1274 /***********************************************************************
1276 ***********************************************************************
1279 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1280 static void MoveWindow(miccntx *context, u32 micSeq);
1281 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1282 struct crypto_cipher *tfm);
1283 static void emmh32_init(emmh32_context *context);
1284 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1285 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1286 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1288 /* micinit - Initialize mic seed */
1290 static void micinit(struct airo_info *ai)
1294 clear_bit(JOB_MIC, &ai->jobs);
1295 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1298 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1300 if (ai->micstats.enabled) {
1301 /* Key must be valid and different */
1302 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1303 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1304 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1305 /* Age current mic Context */
1306 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1307 /* Initialize new context */
1308 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1309 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1310 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1311 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1312 ai->mod[0].mCtx.valid = 1; //Key is now valid
1314 /* Give key to mic seed */
1315 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1318 /* Key must be valid and different */
1319 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1320 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1321 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1322 /* Age current mic Context */
1323 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1324 /* Initialize new context */
1325 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1327 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1328 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1329 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1330 ai->mod[0].uCtx.valid = 1; //Key is now valid
1332 //Give key to mic seed
1333 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1336 /* So next time we have a valid key and mic is enabled, we will update
1337 * the sequence number if the key is the same as before.
1339 ai->mod[0].uCtx.valid = 0;
1340 ai->mod[0].mCtx.valid = 0;
1344 /* micsetup - Get ready for business */
1346 static int micsetup(struct airo_info *ai) {
1349 if (ai->tfm == NULL)
1350 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1352 if (IS_ERR(ai->tfm)) {
1353 airo_print_err(ai->dev->name, "failed to load transform for AES");
1358 for (i=0; i < NUM_MODULES; i++) {
1359 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1360 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1365 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1367 /*===========================================================================
1368 * Description: Mic a packet
1370 * Inputs: etherHead * pointer to an 802.3 frame
1372 * Returns: BOOLEAN if successful, otherwise false.
1373 * PacketTxLen will be updated with the mic'd packets size.
1375 * Caveats: It is assumed that the frame buffer will already
1376 * be big enough to hold the largets mic message possible.
1377 * (No memory allocation is done here).
1379 * Author: sbraneky (10/15/01)
1380 * Merciless hacks by rwilcher (1/14/02)
1383 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1387 // Determine correct context
1388 // If not adhoc, always use unicast key
1390 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1391 context = &ai->mod[0].mCtx;
1393 context = &ai->mod[0].uCtx;
1395 if (!context->valid)
1398 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1400 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1403 mic->seq = htonl(context->tx);
1406 emmh32_init(&context->seed); // Mic the packet
1407 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1408 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1409 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1410 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1411 emmh32_final(&context->seed, (u8*)&mic->mic);
1413 /* New Type/length ?????????? */
1414 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 /*===========================================================================
1427 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1428 * (removes the MIC stuff) if packet is a valid packet.
1430 * Inputs: etherHead pointer to the 802.3 packet
1432 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1434 * Author: sbraneky (10/15/01)
1435 * Merciless hacks by rwilcher (1/14/02)
1436 *---------------------------------------------------------------------------
1439 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1445 mic_error micError = NONE;
1447 // Check if the packet is a Mic'd packet
1449 if (!ai->micstats.enabled) {
1450 //No Mic set or Mic OFF but we received a MIC'd packet.
1451 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1452 ai->micstats.rxMICPlummed++;
1458 if (ntohs(mic->typelen) == 0x888E)
1461 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1462 // Mic enabled but packet isn't Mic'd
1463 ai->micstats.rxMICPlummed++;
1467 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1469 //At this point we a have a mic'd packet and mic is enabled
1470 //Now do the mic error checking.
1472 //Receive seq must be odd
1473 if ( (micSEQ & 1) == 0 ) {
1474 ai->micstats.rxWrongSequence++;
1478 for (i = 0; i < NUM_MODULES; i++) {
1479 int mcast = eth->da[0] & 1;
1480 //Determine proper context
1481 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1483 //Make sure context is valid
1484 if (!context->valid) {
1486 micError = NOMICPLUMMED;
1492 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1494 emmh32_init(&context->seed);
1495 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1496 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1497 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1498 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1500 emmh32_final(&context->seed, digest);
1502 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1505 micError = INCORRECTMIC;
1509 //Check Sequence number if mics pass
1510 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1511 ai->micstats.rxSuccess++;
1515 micError = SEQUENCE;
1518 // Update statistics
1520 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1521 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1522 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1529 /*===========================================================================
1530 * Description: Checks the Rx Seq number to make sure it is valid
1531 * and hasn't already been received
1533 * Inputs: miccntx - mic context to check seq against
1534 * micSeq - the Mic seq number
1536 * Returns: TRUE if valid otherwise FALSE.
1538 * Author: sbraneky (10/15/01)
1539 * Merciless hacks by rwilcher (1/14/02)
1540 *---------------------------------------------------------------------------
1543 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1547 //Allow for the ap being rebooted - if it is then use the next
1548 //sequence number of the current sequence number - might go backwards
1551 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1552 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1553 context->window = (micSeq > 33) ? micSeq : 33;
1554 context->rx = 0; // Reset rx
1556 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1557 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1558 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1559 context->rx = 0; // Reset rx
1562 //Make sequence number relative to START of window
1563 seq = micSeq - (context->window - 33);
1565 //Too old of a SEQ number to check.
1570 //Window is infinite forward
1571 MoveWindow(context,micSeq);
1575 // We are in the window. Now check the context rx bit to see if it was already sent
1576 seq >>= 1; //divide by 2 because we only have odd numbers
1577 index = 1 << seq; //Get an index number
1579 if (!(context->rx & index)) {
1580 //micSEQ falls inside the window.
1581 //Add seqence number to the list of received numbers.
1582 context->rx |= index;
1584 MoveWindow(context,micSeq);
1591 static void MoveWindow(miccntx *context, u32 micSeq)
1595 //Move window if seq greater than the middle of the window
1596 if (micSeq > context->window) {
1597 shift = (micSeq - context->window) >> 1;
1601 context->rx >>= shift;
1605 context->window = micSeq; //Move window
1609 /*==============================================*/
1610 /*========== EMMH ROUTINES ====================*/
1611 /*==============================================*/
1613 /* mic accumulate */
1614 #define MIC_ACCUM(val) \
1615 context->accum += (u64)(val) * context->coeff[coeff_position++];
1617 static unsigned char aes_counter[16];
1619 /* expand the key to fill the MMH coefficient array */
1620 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1621 struct crypto_cipher *tfm)
1623 /* take the keying material, expand if necessary, truncate at 16-bytes */
1624 /* run through AES counter mode to generate context->coeff[] */
1628 u8 *cipher, plain[16];
1630 crypto_cipher_setkey(tfm, pkey, 16);
1632 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1633 aes_counter[15] = (u8)(counter >> 0);
1634 aes_counter[14] = (u8)(counter >> 8);
1635 aes_counter[13] = (u8)(counter >> 16);
1636 aes_counter[12] = (u8)(counter >> 24);
1638 memcpy (plain, aes_counter, 16);
1639 crypto_cipher_encrypt_one(tfm, plain, plain);
1641 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1642 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1648 /* prepare for calculation of a new mic */
1649 static void emmh32_init(emmh32_context *context)
1651 /* prepare for new mic calculation */
1653 context->position = 0;
1656 /* add some bytes to the mic calculation */
1657 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1659 int coeff_position, byte_position;
1661 if (len == 0) return;
1663 coeff_position = context->position >> 2;
1665 /* deal with partial 32-bit word left over from last update */
1666 byte_position = context->position & 3;
1667 if (byte_position) {
1668 /* have a partial word in part to deal with */
1670 if (len == 0) return;
1671 context->part.d8[byte_position++] = *pOctets++;
1672 context->position++;
1674 } while (byte_position < 4);
1675 MIC_ACCUM(ntohl(context->part.d32));
1678 /* deal with full 32-bit words */
1680 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1681 context->position += 4;
1686 /* deal with partial 32-bit word that will be left over from this update */
1689 context->part.d8[byte_position++] = *pOctets++;
1690 context->position++;
1695 /* mask used to zero empty bytes for final partial word */
1696 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1698 /* calculate the mic */
1699 static void emmh32_final(emmh32_context *context, u8 digest[4])
1701 int coeff_position, byte_position;
1707 coeff_position = context->position >> 2;
1709 /* deal with partial 32-bit word left over from last update */
1710 byte_position = context->position & 3;
1711 if (byte_position) {
1712 /* have a partial word in part to deal with */
1713 val = ntohl(context->part.d32);
1714 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1717 /* reduce the accumulated u64 to a 32-bit MIC */
1718 sum = context->accum;
1719 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1720 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1721 sum = utmp & 0xffffffffLL;
1722 if (utmp > 0x10000000fLL)
1726 digest[0] = (val>>24) & 0xFF;
1727 digest[1] = (val>>16) & 0xFF;
1728 digest[2] = (val>>8) & 0xFF;
1729 digest[3] = val & 0xFF;
1732 static int readBSSListRid(struct airo_info *ai, int first,
1739 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1740 memset(&cmd, 0, sizeof(cmd));
1741 cmd.cmd=CMD_LISTBSS;
1742 if (down_interruptible(&ai->sem))
1743 return -ERESTARTSYS;
1744 ai->list_bss_task = current;
1745 issuecommand(ai, &cmd, &rsp);
1747 /* Let the command take effect */
1748 schedule_timeout_uninterruptible(3 * HZ);
1749 ai->list_bss_task = NULL;
1751 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1752 list, ai->bssListRidLen, 1);
1755 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1757 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1758 wkr, sizeof(*wkr), lock);
1761 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1764 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1766 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1768 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1770 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1775 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1777 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1780 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1782 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1785 static int readConfigRid(struct airo_info *ai, int lock)
1793 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1801 static inline void checkThrottle(struct airo_info *ai)
1804 /* Old hardware had a limit on encryption speed */
1805 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1806 for(i=0; i<8; i++) {
1807 if (ai->config.rates[i] > maxencrypt) {
1808 ai->config.rates[i] = 0;
1814 static int writeConfigRid(struct airo_info *ai, int lock)
1818 if (!test_bit (FLAG_COMMIT, &ai->flags))
1821 clear_bit (FLAG_COMMIT, &ai->flags);
1822 clear_bit (FLAG_RESET, &ai->flags);
1826 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1827 set_bit(FLAG_ADHOC, &ai->flags);
1829 clear_bit(FLAG_ADHOC, &ai->flags);
1831 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1834 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1836 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1839 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1841 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1844 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1846 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1849 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1851 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1854 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1856 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1859 static void try_auto_wep(struct airo_info *ai)
1861 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1862 ai->expires = RUN_AT(3*HZ);
1863 wake_up_interruptible(&ai->thr_wait);
1867 static int airo_open(struct net_device *dev) {
1868 struct airo_info *ai = dev->priv;
1871 if (test_bit(FLAG_FLASHING, &ai->flags))
1874 /* Make sure the card is configured.
1875 * Wireless Extensions may postpone config changes until the card
1876 * is open (to pipeline changes and speed-up card setup). If
1877 * those changes are not yet commited, do it now - Jean II */
1878 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1880 writeConfigRid(ai, 1);
1883 if (ai->wifidev != dev) {
1884 clear_bit(JOB_DIE, &ai->jobs);
1885 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1886 if (IS_ERR(ai->airo_thread_task))
1887 return (int)PTR_ERR(ai->airo_thread_task);
1889 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1892 airo_print_err(dev->name,
1893 "register interrupt %d failed, rc %d",
1895 set_bit(JOB_DIE, &ai->jobs);
1896 kthread_stop(ai->airo_thread_task);
1900 /* Power on the MAC controller (which may have been disabled) */
1901 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1902 enable_interrupts(ai);
1908 netif_start_queue(dev);
1912 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1913 int npacks, pending;
1914 unsigned long flags;
1915 struct airo_info *ai = dev->priv;
1918 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1921 npacks = skb_queue_len (&ai->txq);
1923 if (npacks >= MAXTXQ - 1) {
1924 netif_stop_queue (dev);
1925 if (npacks > MAXTXQ) {
1926 dev->stats.tx_fifo_errors++;
1929 skb_queue_tail (&ai->txq, skb);
1933 spin_lock_irqsave(&ai->aux_lock, flags);
1934 skb_queue_tail (&ai->txq, skb);
1935 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1936 spin_unlock_irqrestore(&ai->aux_lock,flags);
1937 netif_wake_queue (dev);
1940 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1941 mpi_send_packet (dev);
1949 * Attempt to transmit a packet. Can be called from interrupt
1950 * or transmit . return number of packets we tried to send
1953 static int mpi_send_packet (struct net_device *dev)
1955 struct sk_buff *skb;
1956 unsigned char *buffer;
1959 struct airo_info *ai = dev->priv;
1962 /* get a packet to send */
1964 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1965 airo_print_err(dev->name,
1966 "%s: Dequeue'd zero in send_packet()",
1971 /* check min length*/
1972 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1975 ai->txfids[0].tx_desc.offset = 0;
1976 ai->txfids[0].tx_desc.valid = 1;
1977 ai->txfids[0].tx_desc.eoc = 1;
1978 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1981 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1982 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1983 * is immediatly after it. ------------------------------------------------
1984 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1985 * ------------------------------------------------
1988 memcpy((char *)ai->txfids[0].virtual_host_addr,
1989 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1991 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1992 sizeof(wifictlhdr8023));
1993 sendbuf = ai->txfids[0].virtual_host_addr +
1994 sizeof(wifictlhdr8023) + 2 ;
1997 * Firmware automaticly puts 802 header on so
1998 * we don't need to account for it in the length
2000 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2001 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2004 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2007 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2008 ai->txfids[0].tx_desc.len += sizeof(pMic);
2009 /* copy data into airo dma buffer */
2010 memcpy (sendbuf, buffer, sizeof(etherHead));
2011 buffer += sizeof(etherHead);
2012 sendbuf += sizeof(etherHead);
2013 memcpy (sendbuf, &pMic, sizeof(pMic));
2014 sendbuf += sizeof(pMic);
2015 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2017 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2019 dev->trans_start = jiffies;
2021 /* copy data into airo dma buffer */
2022 memcpy(sendbuf, buffer, len);
2025 memcpy_toio(ai->txfids[0].card_ram_off,
2026 &ai->txfids[0].tx_desc, sizeof(TxFid));
2028 OUT4500(ai, EVACK, 8);
2030 dev_kfree_skb_any(skb);
2034 static void get_tx_error(struct airo_info *ai, s32 fid)
2039 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2041 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2043 bap_read(ai, &status, 2, BAP0);
2045 if (le16_to_cpu(status) & 2) /* Too many retries */
2046 ai->dev->stats.tx_aborted_errors++;
2047 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2048 ai->dev->stats.tx_heartbeat_errors++;
2049 if (le16_to_cpu(status) & 8) /* Aid fail */
2051 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2052 ai->dev->stats.tx_carrier_errors++;
2053 if (le16_to_cpu(status) & 0x20) /* Association lost */
2055 /* We produce a TXDROP event only for retry or lifetime
2056 * exceeded, because that's the only status that really mean
2057 * that this particular node went away.
2058 * Other errors means that *we* screwed up. - Jean II */
2059 if ((le16_to_cpu(status) & 2) ||
2060 (le16_to_cpu(status) & 4)) {
2061 union iwreq_data wrqu;
2064 /* Faster to skip over useless data than to do
2065 * another bap_setup(). We are at offset 0x6 and
2066 * need to go to 0x18 and read 6 bytes - Jean II */
2067 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2069 /* Copy 802.11 dest address.
2070 * We use the 802.11 header because the frame may
2071 * not be 802.3 or may be mangled...
2072 * In Ad-Hoc mode, it will be the node address.
2073 * In managed mode, it will be most likely the AP addr
2074 * User space will figure out how to convert it to
2075 * whatever it needs (IP address or else).
2077 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2078 wrqu.addr.sa_family = ARPHRD_ETHER;
2080 /* Send event to user space */
2081 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2085 static void airo_end_xmit(struct net_device *dev) {
2088 struct airo_info *priv = dev->priv;
2089 struct sk_buff *skb = priv->xmit.skb;
2090 int fid = priv->xmit.fid;
2091 u32 *fids = priv->fids;
2093 clear_bit(JOB_XMIT, &priv->jobs);
2094 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2095 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2099 if ( status == SUCCESS ) {
2100 dev->trans_start = jiffies;
2101 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2103 priv->fids[fid] &= 0xffff;
2104 dev->stats.tx_window_errors++;
2106 if (i < MAX_FIDS / 2)
2107 netif_wake_queue(dev);
2111 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2114 struct airo_info *priv = dev->priv;
2115 u32 *fids = priv->fids;
2117 if ( skb == NULL ) {
2118 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2122 /* Find a vacant FID */
2123 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2124 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2126 if ( j >= MAX_FIDS / 2 ) {
2127 netif_stop_queue(dev);
2129 if (i == MAX_FIDS / 2) {
2130 dev->stats.tx_fifo_errors++;
2134 /* check min length*/
2135 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2136 /* Mark fid as used & save length for later */
2137 fids[i] |= (len << 16);
2138 priv->xmit.skb = skb;
2140 if (down_trylock(&priv->sem) != 0) {
2141 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2142 netif_stop_queue(dev);
2143 set_bit(JOB_XMIT, &priv->jobs);
2144 wake_up_interruptible(&priv->thr_wait);
2150 static void airo_end_xmit11(struct net_device *dev) {
2153 struct airo_info *priv = dev->priv;
2154 struct sk_buff *skb = priv->xmit11.skb;
2155 int fid = priv->xmit11.fid;
2156 u32 *fids = priv->fids;
2158 clear_bit(JOB_XMIT11, &priv->jobs);
2159 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2160 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2164 if ( status == SUCCESS ) {
2165 dev->trans_start = jiffies;
2166 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2168 priv->fids[fid] &= 0xffff;
2169 dev->stats.tx_window_errors++;
2172 netif_wake_queue(dev);
2176 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2179 struct airo_info *priv = dev->priv;
2180 u32 *fids = priv->fids;
2182 if (test_bit(FLAG_MPI, &priv->flags)) {
2183 /* Not implemented yet for MPI350 */
2184 netif_stop_queue(dev);
2188 if ( skb == NULL ) {
2189 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2193 /* Find a vacant FID */
2194 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2197 if ( j >= MAX_FIDS ) {
2198 netif_stop_queue(dev);
2200 if (i == MAX_FIDS) {
2201 dev->stats.tx_fifo_errors++;
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit11.skb = skb;
2210 priv->xmit11.fid = i;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2213 netif_stop_queue(dev);
2214 set_bit(JOB_XMIT11, &priv->jobs);
2215 wake_up_interruptible(&priv->thr_wait);
2217 airo_end_xmit11(dev);
2221 static void airo_read_stats(struct net_device *dev)
2223 struct airo_info *ai = dev->priv;
2225 __le32 *vals = stats_rid.vals;
2227 clear_bit(JOB_STATS, &ai->jobs);
2228 if (ai->power.event) {
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2235 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2236 le32_to_cpu(vals[45]);
2237 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2238 le32_to_cpu(vals[41]);
2239 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2243 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2244 dev->stats.tx_fifo_errors;
2245 dev->stats.multicast = le32_to_cpu(vals[43]);
2246 dev->stats.collisions = le32_to_cpu(vals[89]);
2248 /* detailed rx_errors: */
2249 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2250 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2251 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2252 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2255 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2257 struct airo_info *local = dev->priv;
2259 if (!test_bit(JOB_STATS, &local->jobs)) {
2260 /* Get stats out of the card if available */
2261 if (down_trylock(&local->sem) != 0) {
2262 set_bit(JOB_STATS, &local->jobs);
2263 wake_up_interruptible(&local->thr_wait);
2265 airo_read_stats(dev);
2271 static void airo_set_promisc(struct airo_info *ai) {
2275 memset(&cmd, 0, sizeof(cmd));
2276 cmd.cmd=CMD_SETMODE;
2277 clear_bit(JOB_PROMISC, &ai->jobs);
2278 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2279 issuecommand(ai, &cmd, &rsp);
2283 static void airo_set_multicast_list(struct net_device *dev) {
2284 struct airo_info *ai = dev->priv;
2286 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2287 change_bit(FLAG_PROMISC, &ai->flags);
2288 if (down_trylock(&ai->sem) != 0) {
2289 set_bit(JOB_PROMISC, &ai->jobs);
2290 wake_up_interruptible(&ai->thr_wait);
2292 airo_set_promisc(ai);
2295 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2296 /* Turn on multicast. (Should be already setup...) */
2300 static int airo_set_mac_address(struct net_device *dev, void *p)
2302 struct airo_info *ai = dev->priv;
2303 struct sockaddr *addr = p;
2305 readConfigRid(ai, 1);
2306 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2307 set_bit (FLAG_COMMIT, &ai->flags);
2309 writeConfigRid (ai, 1);
2311 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2313 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2317 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2319 if ((new_mtu < 68) || (new_mtu > 2400))
2325 static LIST_HEAD(airo_devices);
2327 static void add_airo_dev(struct airo_info *ai)
2329 /* Upper layers already keep track of PCI devices,
2330 * so we only need to remember our non-PCI cards. */
2332 list_add_tail(&ai->dev_list, &airo_devices);
2335 static void del_airo_dev(struct airo_info *ai)
2338 list_del(&ai->dev_list);
2341 static int airo_close(struct net_device *dev) {
2342 struct airo_info *ai = dev->priv;
2344 netif_stop_queue(dev);
2346 if (ai->wifidev != dev) {
2347 #ifdef POWER_ON_DOWN
2348 /* Shut power to the card. The idea is that the user can save
2349 * power when he doesn't need the card with "ifconfig down".
2350 * That's the method that is most friendly towards the network
2351 * stack (i.e. the network stack won't try to broadcast
2352 * anything on the interface and routes are gone. Jean II */
2353 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2356 disable_interrupts( ai );
2358 free_irq(dev->irq, dev);
2360 set_bit(JOB_DIE, &ai->jobs);
2361 kthread_stop(ai->airo_thread_task);
2366 void stop_airo_card( struct net_device *dev, int freeres )
2368 struct airo_info *ai = dev->priv;
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2372 disable_interrupts(ai);
2373 takedown_proc_entry( dev, ai );
2374 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2375 unregister_netdev( dev );
2377 unregister_netdev(ai->wifidev);
2378 free_netdev(ai->wifidev);
2381 clear_bit(FLAG_REGISTERED, &ai->flags);
2384 * Clean out tx queue
2386 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2387 struct sk_buff *skb = NULL;
2388 for (;(skb = skb_dequeue(&ai->txq));)
2392 airo_networks_free (ai);
2399 /* PCMCIA frees this stuff, so only for PCI and ISA */
2400 release_region( dev->base_addr, 64 );
2401 if (test_bit(FLAG_MPI, &ai->flags)) {
2403 mpi_unmap_card(ai->pci);
2405 iounmap(ai->pcimem);
2407 iounmap(ai->pciaux);
2408 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2409 ai->shared, ai->shared_dma);
2412 crypto_free_cipher(ai->tfm);
2417 EXPORT_SYMBOL(stop_airo_card);
2419 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2421 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2425 static void mpi_unmap_card(struct pci_dev *pci)
2427 unsigned long mem_start = pci_resource_start(pci, 1);
2428 unsigned long mem_len = pci_resource_len(pci, 1);
2429 unsigned long aux_start = pci_resource_start(pci, 2);
2430 unsigned long aux_len = AUXMEMSIZE;
2432 release_mem_region(aux_start, aux_len);
2433 release_mem_region(mem_start, mem_len);
2436 /*************************************************************
2437 * This routine assumes that descriptors have been setup .
2438 * Run at insmod time or after reset when the decriptors
2439 * have been initialized . Returns 0 if all is well nz
2440 * otherwise . Does not allocate memory but sets up card
2441 * using previously allocated descriptors.
2443 static int mpi_init_descriptors (struct airo_info *ai)
2450 /* Alloc card RX descriptors */
2451 netif_stop_queue(ai->dev);
2453 memset(&rsp,0,sizeof(rsp));
2454 memset(&cmd,0,sizeof(cmd));
2456 cmd.cmd = CMD_ALLOCATEAUX;
2458 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2459 cmd.parm2 = MPI_MAX_FIDS;
2460 rc=issuecommand(ai, &cmd, &rsp);
2461 if (rc != SUCCESS) {
2462 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2466 for (i=0; i<MPI_MAX_FIDS; i++) {
2467 memcpy_toio(ai->rxfids[i].card_ram_off,
2468 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2471 /* Alloc card TX descriptors */
2473 memset(&rsp,0,sizeof(rsp));
2474 memset(&cmd,0,sizeof(cmd));
2476 cmd.cmd = CMD_ALLOCATEAUX;
2478 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2479 cmd.parm2 = MPI_MAX_FIDS;
2481 for (i=0; i<MPI_MAX_FIDS; i++) {
2482 ai->txfids[i].tx_desc.valid = 1;
2483 memcpy_toio(ai->txfids[i].card_ram_off,
2484 &ai->txfids[i].tx_desc, sizeof(TxFid));
2486 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2488 rc=issuecommand(ai, &cmd, &rsp);
2489 if (rc != SUCCESS) {
2490 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2494 /* Alloc card Rid descriptor */
2495 memset(&rsp,0,sizeof(rsp));
2496 memset(&cmd,0,sizeof(cmd));
2498 cmd.cmd = CMD_ALLOCATEAUX;
2500 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2501 cmd.parm2 = 1; /* Magic number... */
2502 rc=issuecommand(ai, &cmd, &rsp);
2503 if (rc != SUCCESS) {
2504 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2508 memcpy_toio(ai->config_desc.card_ram_off,
2509 &ai->config_desc.rid_desc, sizeof(Rid));
2515 * We are setting up three things here:
2516 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2517 * 2) Map PCI memory for issueing commands.
2518 * 3) Allocate memory (shared) to send and receive ethernet frames.
2520 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2522 unsigned long mem_start, mem_len, aux_start, aux_len;
2525 dma_addr_t busaddroff;
2526 unsigned char *vpackoff;
2527 unsigned char __iomem *pciaddroff;
2529 mem_start = pci_resource_start(pci, 1);
2530 mem_len = pci_resource_len(pci, 1);
2531 aux_start = pci_resource_start(pci, 2);
2532 aux_len = AUXMEMSIZE;
2534 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2535 airo_print_err("", "Couldn't get region %x[%x]",
2536 (int)mem_start, (int)mem_len);
2539 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2540 airo_print_err("", "Couldn't get region %x[%x]",
2541 (int)aux_start, (int)aux_len);
2545 ai->pcimem = ioremap(mem_start, mem_len);
2547 airo_print_err("", "Couldn't map region %x[%x]",
2548 (int)mem_start, (int)mem_len);
2551 ai->pciaux = ioremap(aux_start, aux_len);
2553 airo_print_err("", "Couldn't map region %x[%x]",
2554 (int)aux_start, (int)aux_len);
2558 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2559 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2561 airo_print_err("", "Couldn't alloc_consistent %d",
2567 * Setup descriptor RX, TX, CONFIG
2569 busaddroff = ai->shared_dma;
2570 pciaddroff = ai->pciaux + AUX_OFFSET;
2571 vpackoff = ai->shared;
2573 /* RX descriptor setup */
2574 for(i = 0; i < MPI_MAX_FIDS; i++) {
2575 ai->rxfids[i].pending = 0;
2576 ai->rxfids[i].card_ram_off = pciaddroff;
2577 ai->rxfids[i].virtual_host_addr = vpackoff;
2578 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2579 ai->rxfids[i].rx_desc.valid = 1;
2580 ai->rxfids[i].rx_desc.len = PKTSIZE;
2581 ai->rxfids[i].rx_desc.rdy = 0;
2583 pciaddroff += sizeof(RxFid);
2584 busaddroff += PKTSIZE;
2585 vpackoff += PKTSIZE;
2588 /* TX descriptor setup */
2589 for(i = 0; i < MPI_MAX_FIDS; i++) {
2590 ai->txfids[i].card_ram_off = pciaddroff;
2591 ai->txfids[i].virtual_host_addr = vpackoff;
2592 ai->txfids[i].tx_desc.valid = 1;
2593 ai->txfids[i].tx_desc.host_addr = busaddroff;
2594 memcpy(ai->txfids[i].virtual_host_addr,
2595 &wifictlhdr8023, sizeof(wifictlhdr8023));
2597 pciaddroff += sizeof(TxFid);
2598 busaddroff += PKTSIZE;
2599 vpackoff += PKTSIZE;
2601 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2603 /* Rid descriptor setup */
2604 ai->config_desc.card_ram_off = pciaddroff;
2605 ai->config_desc.virtual_host_addr = vpackoff;
2606 ai->config_desc.rid_desc.host_addr = busaddroff;
2607 ai->ridbus = busaddroff;
2608 ai->config_desc.rid_desc.rid = 0;
2609 ai->config_desc.rid_desc.len = RIDSIZE;
2610 ai->config_desc.rid_desc.valid = 1;
2611 pciaddroff += sizeof(Rid);
2612 busaddroff += RIDSIZE;
2613 vpackoff += RIDSIZE;
2615 /* Tell card about descriptors */
2616 if (mpi_init_descriptors (ai) != SUCCESS)
2621 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2623 iounmap(ai->pciaux);
2625 iounmap(ai->pcimem);
2627 release_mem_region(aux_start, aux_len);
2629 release_mem_region(mem_start, mem_len);
2634 static const struct header_ops airo_header_ops = {
2635 .parse = wll_header_parse,
2638 static void wifi_setup(struct net_device *dev)
2640 dev->header_ops = &airo_header_ops;
2641 dev->hard_start_xmit = &airo_start_xmit11;
2642 dev->get_stats = &airo_get_stats;
2643 dev->set_mac_address = &airo_set_mac_address;
2644 dev->do_ioctl = &airo_ioctl;
2645 dev->wireless_handlers = &airo_handler_def;
2646 dev->change_mtu = &airo_change_mtu;
2647 dev->open = &airo_open;
2648 dev->stop = &airo_close;
2650 dev->type = ARPHRD_IEEE80211;
2651 dev->hard_header_len = ETH_HLEN;
2652 dev->mtu = AIRO_DEF_MTU;
2653 dev->addr_len = ETH_ALEN;
2654 dev->tx_queue_len = 100;
2656 memset(dev->broadcast,0xFF, ETH_ALEN);
2658 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2661 static struct net_device *init_wifidev(struct airo_info *ai,
2662 struct net_device *ethdev)
2665 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2668 dev->priv = ethdev->priv;
2669 dev->irq = ethdev->irq;
2670 dev->base_addr = ethdev->base_addr;
2671 dev->wireless_data = ethdev->wireless_data;
2672 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2673 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2674 err = register_netdev(dev);
2682 static int reset_card( struct net_device *dev , int lock) {
2683 struct airo_info *ai = dev->priv;
2685 if (lock && down_interruptible(&ai->sem))
2688 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2697 #define AIRO_MAX_NETWORK_COUNT 64
2698 static int airo_networks_allocate(struct airo_info *ai)
2704 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2706 if (!ai->networks) {
2707 airo_print_warn("", "Out of memory allocating beacons");
2714 static void airo_networks_free(struct airo_info *ai)
2716 kfree(ai->networks);
2717 ai->networks = NULL;
2720 static void airo_networks_initialize(struct airo_info *ai)
2724 INIT_LIST_HEAD(&ai->network_free_list);
2725 INIT_LIST_HEAD(&ai->network_list);
2726 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2727 list_add_tail(&ai->networks[i].list,
2728 &ai->network_free_list);
2731 static int airo_test_wpa_capable(struct airo_info *ai)
2734 CapabilityRid cap_rid;
2736 status = readCapabilityRid(ai, &cap_rid, 1);
2737 if (status != SUCCESS) return 0;
2739 /* Only firmware versions 5.30.17 or better can do WPA */
2740 if (le16_to_cpu(cap_rid.softVer) > 0x530
2741 || (le16_to_cpu(cap_rid.softVer) == 0x530
2742 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2743 airo_print_info("", "WPA is supported.");
2747 /* No WPA support */
2748 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2749 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2753 static struct net_device *_init_airo_card( unsigned short irq, int port,
2754 int is_pcmcia, struct pci_dev *pci,
2755 struct device *dmdev )
2757 struct net_device *dev;
2758 struct airo_info *ai;
2761 /* Create the network device object. */
2762 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2764 airo_print_err("", "Couldn't alloc_etherdev");
2770 ai->flags = 1 << FLAG_RADIO_DOWN;
2773 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2774 airo_print_dbg("", "Found an MPI350 card");
2775 set_bit(FLAG_MPI, &ai->flags);
2777 spin_lock_init(&ai->aux_lock);
2778 sema_init(&ai->sem, 1);
2781 init_waitqueue_head (&ai->thr_wait);
2785 if (airo_networks_allocate (ai))
2787 airo_networks_initialize (ai);
2789 /* The Airo-specific entries in the device structure. */
2790 if (test_bit(FLAG_MPI,&ai->flags)) {
2791 skb_queue_head_init (&ai->txq);
2792 dev->hard_start_xmit = &mpi_start_xmit;
2794 dev->hard_start_xmit = &airo_start_xmit;
2795 dev->get_stats = &airo_get_stats;
2796 dev->set_multicast_list = &airo_set_multicast_list;
2797 dev->set_mac_address = &airo_set_mac_address;
2798 dev->do_ioctl = &airo_ioctl;
2799 dev->wireless_handlers = &airo_handler_def;
2800 ai->wireless_data.spy_data = &ai->spy_data;
2801 dev->wireless_data = &ai->wireless_data;
2802 dev->change_mtu = &airo_change_mtu;
2803 dev->open = &airo_open;
2804 dev->stop = &airo_close;
2806 dev->base_addr = port;
2808 SET_NETDEV_DEV(dev, dmdev);
2810 reset_card (dev, 1);
2814 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2816 airo_print_err(dev->name, "Couldn't request region");
2821 if (test_bit(FLAG_MPI,&ai->flags)) {
2822 if (mpi_map_card(ai, pci)) {
2823 airo_print_err("", "Could not map memory");
2829 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2830 airo_print_err(dev->name, "MAC could not be enabled" );
2834 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2835 ai->bap_read = fast_bap_read;
2836 set_bit(FLAG_FLASHING, &ai->flags);
2839 /* Test for WPA support */
2840 if (airo_test_wpa_capable(ai)) {
2841 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2842 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2843 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2844 ai->bssListRidLen = sizeof(BSSListRid);
2846 ai->bssListFirst = RID_BSSLISTFIRST;
2847 ai->bssListNext = RID_BSSLISTNEXT;
2848 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2851 strcpy(dev->name, "eth%d");
2852 rc = register_netdev(dev);
2854 airo_print_err(dev->name, "Couldn't register_netdev");
2857 ai->wifidev = init_wifidev(ai, dev);
2861 set_bit(FLAG_REGISTERED,&ai->flags);
2862 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2864 /* Allocate the transmit buffers */
2865 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2866 for( i = 0; i < MAX_FIDS; i++ )
2867 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2869 if (setup_proc_entry(dev, dev->priv) < 0)
2875 unregister_netdev(ai->wifidev);
2876 free_netdev(ai->wifidev);
2878 unregister_netdev(dev);
2880 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2881 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2882 iounmap(ai->pciaux);
2883 iounmap(ai->pcimem);
2884 mpi_unmap_card(ai->pci);
2888 release_region( dev->base_addr, 64 );
2890 airo_networks_free(ai);
2897 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2898 struct device *dmdev)
2900 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2903 EXPORT_SYMBOL(init_airo_card);
2905 static int waitbusy (struct airo_info *ai) {
2907 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2909 if ((++delay % 20) == 0)
2910 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2912 return delay < 10000;
2915 int reset_airo_card( struct net_device *dev )
2918 struct airo_info *ai = dev->priv;
2920 if (reset_card (dev, 1))
2923 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2924 airo_print_err(dev->name, "MAC could not be enabled");
2927 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2928 /* Allocate the transmit buffers if needed */
2929 if (!test_bit(FLAG_MPI,&ai->flags))
2930 for( i = 0; i < MAX_FIDS; i++ )
2931 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2933 enable_interrupts( ai );
2934 netif_wake_queue(dev);
2938 EXPORT_SYMBOL(reset_airo_card);
2940 static void airo_send_event(struct net_device *dev) {
2941 struct airo_info *ai = dev->priv;
2942 union iwreq_data wrqu;
2943 StatusRid status_rid;
2945 clear_bit(JOB_EVENT, &ai->jobs);
2946 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2948 wrqu.data.length = 0;
2949 wrqu.data.flags = 0;
2950 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2951 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2953 /* Send event to user space */
2954 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2957 static void airo_process_scan_results (struct airo_info *ai) {
2958 union iwreq_data wrqu;
2961 BSSListElement * loop_net;
2962 BSSListElement * tmp_net;
2964 /* Blow away current list of scan results */
2965 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2966 list_move_tail (&loop_net->list, &ai->network_free_list);
2967 /* Don't blow away ->list, just BSS data */
2968 memset (loop_net, 0, sizeof (loop_net->bss));
2971 /* Try to read the first entry of the scan result */
2972 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2973 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2974 /* No scan results */
2978 /* Read and parse all entries */
2980 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2981 /* Grab a network off the free list */
2982 if (!list_empty(&ai->network_free_list)) {
2983 tmp_net = list_entry(ai->network_free_list.next,
2984 BSSListElement, list);
2985 list_del(ai->network_free_list.next);
2988 if (tmp_net != NULL) {
2989 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2990 list_add_tail(&tmp_net->list, &ai->network_list);
2994 /* Read next entry */
2995 rc = PC4500_readrid(ai, ai->bssListNext,
2996 &bss, ai->bssListRidLen, 0);
3000 ai->scan_timeout = 0;
3001 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3004 /* Send an empty event to user space.
3005 * We don't send the received data on
3006 * the event because it would require
3007 * us to do complex transcoding, and
3008 * we want to minimise the work done in
3009 * the irq handler. Use a request to
3010 * extract the data - Jean II */
3011 wrqu.data.length = 0;
3012 wrqu.data.flags = 0;
3013 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3016 static int airo_thread(void *data) {
3017 struct net_device *dev = data;
3018 struct airo_info *ai = dev->priv;
3023 /* make swsusp happy with our thread */
3026 if (test_bit(JOB_DIE, &ai->jobs))
3030 locked = down_interruptible(&ai->sem);
3034 init_waitqueue_entry(&wait, current);
3035 add_wait_queue(&ai->thr_wait, &wait);
3037 set_current_state(TASK_INTERRUPTIBLE);
3040 if (ai->expires || ai->scan_timeout) {
3041 if (ai->scan_timeout &&
3042 time_after_eq(jiffies,ai->scan_timeout)){
3043 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3045 } else if (ai->expires &&
3046 time_after_eq(jiffies,ai->expires)){
3047 set_bit(JOB_AUTOWEP, &ai->jobs);
3050 if (!kthread_should_stop() &&
3051 !freezing(current)) {
3052 unsigned long wake_at;
3053 if (!ai->expires || !ai->scan_timeout) {
3054 wake_at = max(ai->expires,
3057 wake_at = min(ai->expires,
3060 schedule_timeout(wake_at - jiffies);
3063 } else if (!kthread_should_stop() &&
3064 !freezing(current)) {
3070 current->state = TASK_RUNNING;
3071 remove_wait_queue(&ai->thr_wait, &wait);
3078 if (test_bit(JOB_DIE, &ai->jobs)) {
3083 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3088 if (test_bit(JOB_XMIT, &ai->jobs))
3090 else if (test_bit(JOB_XMIT11, &ai->jobs))
3091 airo_end_xmit11(dev);
3092 else if (test_bit(JOB_STATS, &ai->jobs))
3093 airo_read_stats(dev);
3094 else if (test_bit(JOB_WSTATS, &ai->jobs))
3095 airo_read_wireless_stats(ai);
3096 else if (test_bit(JOB_PROMISC, &ai->jobs))
3097 airo_set_promisc(ai);
3098 else if (test_bit(JOB_MIC, &ai->jobs))
3100 else if (test_bit(JOB_EVENT, &ai->jobs))
3101 airo_send_event(dev);
3102 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3104 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3105 airo_process_scan_results(ai);
3106 else /* Shouldn't get here, but we make sure to unlock */
3113 static int header_len(__le16 ctl)
3115 u16 fc = le16_to_cpu(ctl);
3118 if ((fc & 0xe0) == 0xc0)
3119 return 10; /* one-address control packet */
3120 return 16; /* two-address control packet */
3122 if ((fc & 0x300) == 0x300)
3123 return 30; /* WDS packet */
3128 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3130 struct net_device *dev = dev_id;
3133 struct airo_info *apriv = dev->priv;
3134 u16 savedInterrupts = 0;
3137 if (!netif_device_present(dev))
3141 status = IN4500( apriv, EVSTAT );
3142 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3146 if ( status & EV_AWAKE ) {
3147 OUT4500( apriv, EVACK, EV_AWAKE );
3148 OUT4500( apriv, EVACK, EV_AWAKE );
3151 if (!savedInterrupts) {
3152 savedInterrupts = IN4500( apriv, EVINTEN );
3153 OUT4500( apriv, EVINTEN, 0 );
3156 if ( status & EV_MIC ) {
3157 OUT4500( apriv, EVACK, EV_MIC );
3158 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3159 set_bit(JOB_MIC, &apriv->jobs);
3160 wake_up_interruptible(&apriv->thr_wait);
3163 if ( status & EV_LINK ) {
3164 union iwreq_data wrqu;
3165 int scan_forceloss = 0;
3166 /* The link status has changed, if you want to put a
3167 monitor hook in, do it here. (Remember that
3168 interrupts are still disabled!)
3170 u16 newStatus = IN4500(apriv, LINKSTAT);
3171 OUT4500( apriv, EVACK, EV_LINK);
3172 /* Here is what newStatus means: */
3173 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3174 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3175 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3176 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3177 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3178 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3179 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3180 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3182 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3184 #define ASSOCIATED 0x0400 /* Associated */
3185 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3186 #define RC_RESERVED 0 /* Reserved return code */
3187 #define RC_NOREASON 1 /* Unspecified reason */
3188 #define RC_AUTHINV 2 /* Previous authentication invalid */
3189 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3191 #define RC_NOACT 4 /* Disassociated due to inactivity */
3192 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3193 all currently associated stations */
3194 #define RC_BADCLASS2 6 /* Class 2 frame received from
3195 non-Authenticated station */
3196 #define RC_BADCLASS3 7 /* Class 3 frame received from
3197 non-Associated station */
3198 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3200 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3201 Authenticated with the responding station */
3202 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3204 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3207 if (apriv->list_bss_task)
3208 wake_up_process(apriv->list_bss_task);
3209 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3210 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3212 if (down_trylock(&apriv->sem) != 0) {
3213 set_bit(JOB_EVENT, &apriv->jobs);
3214 wake_up_interruptible(&apriv->thr_wait);
3216 airo_send_event(dev);
3217 } else if (!scan_forceloss) {
3218 if (auto_wep && !apriv->expires) {
3219 apriv->expires = RUN_AT(3*HZ);
3220 wake_up_interruptible(&apriv->thr_wait);
3223 /* Send event to user space */
3224 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3225 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3226 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3230 /* Check to see if there is something to receive */
3231 if ( status & EV_RX ) {
3232 struct sk_buff *skb = NULL;
3234 u16 len, hdrlen = 0;
3248 if (test_bit(FLAG_MPI,&apriv->flags)) {
3249 if (test_bit(FLAG_802_11, &apriv->flags))
3250 mpi_receive_802_11(apriv);
3252 mpi_receive_802_3(apriv);
3253 OUT4500(apriv, EVACK, EV_RX);
3257 fid = IN4500( apriv, RXFID );
3259 /* Get the packet length */
3260 if (test_bit(FLAG_802_11, &apriv->flags)) {
3261 bap_setup (apriv, fid, 4, BAP0);
3262 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3263 /* Bad CRC. Ignore packet */
3264 if (le16_to_cpu(hdr.status) & 2)
3266 if (apriv->wifidev == NULL)
3269 bap_setup (apriv, fid, 0x36, BAP0);
3270 bap_read (apriv, &hdr.len, 2, BAP0);
3272 len = le16_to_cpu(hdr.len);
3274 if (len > AIRO_DEF_MTU) {
3275 airo_print_err(apriv->dev->name, "Bad size %d", len);
3281 if (test_bit(FLAG_802_11, &apriv->flags)) {
3282 bap_read (apriv, &fc, sizeof(fc), BAP0);
3283 hdrlen = header_len(fc);
3285 hdrlen = ETH_ALEN * 2;
3287 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3289 dev->stats.rx_dropped++;
3292 skb_reserve(skb, 2); /* This way the IP header is aligned */
3293 buffer = (__le16*)skb_put (skb, len + hdrlen);
3294 if (test_bit(FLAG_802_11, &apriv->flags)) {
3296 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3298 bap_read (apriv, tmpbuf, 6, BAP0);
3300 bap_read (apriv, &v, sizeof(v), BAP0);
3301 gap = le16_to_cpu(v);
3304 bap_read (apriv, tmpbuf, gap, BAP0);
3306 airo_print_err(apriv->dev->name, "gaplen too "
3307 "big. Problems will follow...");
3310 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3313 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3314 if (apriv->micstats.enabled) {
3315 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3316 if (ntohs(micbuf.typelen) > 0x05DC)
3317 bap_setup (apriv, fid, 0x44, BAP0);
3319 if (len <= sizeof(micbuf))
3322 len -= sizeof(micbuf);
3323 skb_trim (skb, len + hdrlen);
3326 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3327 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3329 dev_kfree_skb_irq (skb);
3331 OUT4500( apriv, EVACK, EV_RX);
3336 if (apriv->spy_data.spy_number > 0) {
3338 struct iw_quality wstats;
3339 /* Prepare spy data : addr + qual */
3340 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3341 sa = (char*)buffer + 6;
3342 bap_setup (apriv, fid, 8, BAP0);
3343 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3345 sa = (char*)buffer + 10;
3346 wstats.qual = hdr.rssi[0];
3348 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3350 wstats.level = (hdr.rssi[1] + 321) / 2;
3351 wstats.noise = apriv->wstats.qual.noise;
3352 wstats.updated = IW_QUAL_LEVEL_UPDATED
3353 | IW_QUAL_QUAL_UPDATED
3355 /* Update spy records */
3356 wireless_spy_update(dev, sa, &wstats);
3358 #endif /* WIRELESS_SPY */
3359 OUT4500( apriv, EVACK, EV_RX);
3361 if (test_bit(FLAG_802_11, &apriv->flags)) {
3362 skb_reset_mac_header(skb);
3363 skb->pkt_type = PACKET_OTHERHOST;
3364 skb->dev = apriv->wifidev;
3365 skb->protocol = htons(ETH_P_802_2);
3367 skb->protocol = eth_type_trans(skb,dev);
3368 skb->dev->last_rx = jiffies;
3369 skb->ip_summed = CHECKSUM_NONE;
3375 /* Check to see if a packet has been transmitted */
3376 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3381 if (test_bit(FLAG_MPI,&apriv->flags)) {
3382 unsigned long flags;
3384 if (status & EV_TXEXC)
3385 get_tx_error(apriv, -1);
3386 spin_lock_irqsave(&apriv->aux_lock, flags);
3387 if (!skb_queue_empty(&apriv->txq)) {
3388 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3389 mpi_send_packet (dev);
3391 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3392 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3393 netif_wake_queue (dev);
3395 OUT4500( apriv, EVACK,
3396 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3400 fid = IN4500(apriv, TXCOMPLFID);
3402 for( i = 0; i < MAX_FIDS; i++ ) {
3403 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3404 len = apriv->fids[i] >> 16;
3409 if (status & EV_TXEXC)
3410 get_tx_error(apriv, index);
3411 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3412 /* Set up to be used again */
3413 apriv->fids[index] &= 0xffff;
3414 if (index < MAX_FIDS / 2) {
3415 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3416 netif_wake_queue(dev);
3418 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3419 netif_wake_queue(apriv->wifidev);
3422 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3423 airo_print_err(apriv->dev->name, "Unallocated FID was "
3428 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3429 airo_print_warn(apriv->dev->name, "Got weird status %x",
3430 status & ~STATUS_INTS & ~IGNORE_INTS );
3433 if (savedInterrupts)
3434 OUT4500( apriv, EVINTEN, savedInterrupts );
3437 return IRQ_RETVAL(handled);
3441 * Routines to talk to the card
3445 * This was originally written for the 4500, hence the name
3446 * NOTE: If use with 8bit mode and SMP bad things will happen!
3447 * Why would some one do 8 bit IO in an SMP machine?!?
3449 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3450 if (test_bit(FLAG_MPI,&ai->flags))
3453 outw( val, ai->dev->base_addr + reg );
3455 outb( val & 0xff, ai->dev->base_addr + reg );
3456 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3460 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3463 if (test_bit(FLAG_MPI,&ai->flags))
3466 rc = inw( ai->dev->base_addr + reg );
3468 rc = inb( ai->dev->base_addr + reg );
3469 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3474 static int enable_MAC(struct airo_info *ai, int lock)
3480 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3481 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3482 * Note : we could try to use !netif_running(dev) in enable_MAC()
3483 * instead of this flag, but I don't trust it *within* the
3484 * open/close functions, and testing both flags together is
3485 * "cheaper" - Jean II */
3486 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3488 if (lock && down_interruptible(&ai->sem))
3489 return -ERESTARTSYS;
3491 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3492 memset(&cmd, 0, sizeof(cmd));
3493 cmd.cmd = MAC_ENABLE;
3494 rc = issuecommand(ai, &cmd, &rsp);
3496 set_bit(FLAG_ENABLED, &ai->flags);
3504 airo_print_err(ai->dev->name, "Cannot enable MAC");
3505 else if ((rsp.status & 0xFF00) != 0) {
3506 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3507 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3513 static void disable_MAC( struct airo_info *ai, int lock ) {
3517 if (lock && down_interruptible(&ai->sem))
3520 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3521 memset(&cmd, 0, sizeof(cmd));
3522 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3523 issuecommand(ai, &cmd, &rsp);
3524 clear_bit(FLAG_ENABLED, &ai->flags);
3530 static void enable_interrupts( struct airo_info *ai ) {
3531 /* Enable the interrupts */
3532 OUT4500( ai, EVINTEN, STATUS_INTS );
3535 static void disable_interrupts( struct airo_info *ai ) {
3536 OUT4500( ai, EVINTEN, 0 );
3539 static void mpi_receive_802_3(struct airo_info *ai)
3543 struct sk_buff *skb;
3548 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3549 /* Make sure we got something */
3550 if (rxd.rdy && rxd.valid == 0) {
3552 if (len < 12 || len > 2048)
3555 skb = dev_alloc_skb(len);
3557 ai->dev->stats.rx_dropped++;
3560 buffer = skb_put(skb,len);
3561 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3562 if (ai->micstats.enabled) {
3564 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3566 if (ntohs(micbuf.typelen) <= 0x05DC) {
3567 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3570 off = sizeof(micbuf);
3571 skb_trim (skb, len - off);
3574 memcpy(buffer + ETH_ALEN * 2,
3575 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3576 len - ETH_ALEN * 2 - off);
3577 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3579 dev_kfree_skb_irq (skb);
3583 if (ai->spy_data.spy_number > 0) {
3585 struct iw_quality wstats;
3586 /* Prepare spy data : addr + qual */
3587 sa = buffer + ETH_ALEN;
3588 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3591 /* Update spy records */
3592 wireless_spy_update(ai->dev, sa, &wstats);
3594 #endif /* WIRELESS_SPY */
3596 skb->ip_summed = CHECKSUM_NONE;
3597 skb->protocol = eth_type_trans(skb, ai->dev);
3598 skb->dev->last_rx = jiffies;
3602 if (rxd.valid == 0) {
3606 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3610 void mpi_receive_802_11 (struct airo_info *ai)
3613 struct sk_buff *skb = NULL;
3614 u16 len, hdrlen = 0;
3627 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3629 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3630 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3632 /* Bad CRC. Ignore packet */
3633 if (le16_to_cpu(hdr.status) & 2)
3635 if (ai->wifidev == NULL)
3637 len = le16_to_cpu(hdr.len);
3638 if (len > AIRO_DEF_MTU) {
3639 airo_print_err(ai->dev->name, "Bad size %d", len);
3645 fc = get_unaligned((__le16 *)ptr);
3646 hdrlen = header_len(fc);
3648 skb = dev_alloc_skb( len + hdrlen + 2 );
3650 ai->dev->stats.rx_dropped++;
3653 buffer = (u16*)skb_put (skb, len + hdrlen);
3654 memcpy ((char *)buffer, ptr, hdrlen);
3658 gap = get_unaligned_le16(ptr);
3659 ptr += sizeof(__le16);
3664 airo_print_err(ai->dev->name,
3665 "gaplen too big. Problems will follow...");
3667 memcpy ((char *)buffer + hdrlen, ptr, len);
3669 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3670 if (ai->spy_data.spy_number > 0) {
3672 struct iw_quality wstats;
3673 /* Prepare spy data : addr + qual */
3674 sa = (char*)buffer + 10;
3675 wstats.qual = hdr.rssi[0];
3677 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3679 wstats.level = (hdr.rssi[1] + 321) / 2;
3680 wstats.noise = ai->wstats.qual.noise;
3681 wstats.updated = IW_QUAL_QUAL_UPDATED
3682 | IW_QUAL_LEVEL_UPDATED
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3687 #endif /* IW_WIRELESS_SPY */
3688 skb_reset_mac_header(skb);
3689 skb->pkt_type = PACKET_OTHERHOST;
3690 skb->dev = ai->wifidev;
3691 skb->protocol = htons(ETH_P_802_2);
3692 skb->dev->last_rx = jiffies;
3693 skb->ip_summed = CHECKSUM_NONE;
3696 if (rxd.valid == 0) {
3700 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3704 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3715 memset( &mySsid, 0, sizeof( mySsid ) );
3719 /* The NOP is the first step in getting the card going */
3721 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3722 if (lock && down_interruptible(&ai->sem))
3724 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3729 disable_MAC( ai, 0);
3731 // Let's figure out if we need to use the AUX port
3732 if (!test_bit(FLAG_MPI,&ai->flags)) {
3733 cmd.cmd = CMD_ENABLEAUX;
3734 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3737 airo_print_err(ai->dev->name, "Error checking for AUX port");
3740 if (!aux_bap || rsp.status & 0xff00) {
3741 ai->bap_read = fast_bap_read;
3742 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3744 ai->bap_read = aux_bap_read;
3745 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3750 if (ai->config.len == 0) {
3751 tdsRssiRid rssi_rid;
3752 CapabilityRid cap_rid;
3758 // general configuration (read/modify/write)
3759 status = readConfigRid(ai, lock);
3760 if ( status != SUCCESS ) return ERROR;
3762 status = readCapabilityRid(ai, &cap_rid, lock);
3763 if ( status != SUCCESS ) return ERROR;
3765 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3766 if ( status == SUCCESS ) {
3767 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3768 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3773 if (cap_rid.softCap & cpu_to_le16(8))
3774 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3776 airo_print_warn(ai->dev->name, "unknown received signal "
3779 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3780 ai->config.authType = AUTH_OPEN;
3781 ai->config.modulation = MOD_CCK;
3783 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3784 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3785 micsetup(ai) == SUCCESS) {
3786 ai->config.opmode |= MODE_MIC;
3787 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3790 /* Save off the MAC */
3791 for( i = 0; i < ETH_ALEN; i++ ) {
3792 mac[i] = ai->config.macAddr[i];
3795 /* Check to see if there are any insmod configured
3799 memset(ai->config.rates,0,sizeof(ai->config.rates));
3800 for( i = 0; i < 8 && rates[i]; i++ ) {
3801 ai->config.rates[i] = rates[i];
3804 if ( basic_rate > 0 ) {
3806 for( i = 0; i < 8; i++ ) {
3807 if ( ai->config.rates[i] == basic_rate ||
3808 !ai->config.rates ) {
3809 ai->config.rates[i] = basic_rate | 0x80;
3814 set_bit (FLAG_COMMIT, &ai->flags);
3817 /* Setup the SSIDs if present */
3820 for( i = 0; i < 3 && ssids[i]; i++ ) {
3821 size_t len = strlen(ssids[i]);
3824 mySsid.ssids[i].len = cpu_to_le16(len);
3825 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3827 mySsid.len = cpu_to_le16(sizeof(mySsid));
3830 status = writeConfigRid(ai, lock);
3831 if ( status != SUCCESS ) return ERROR;
3833 /* Set up the SSID list */
3835 status = writeSsidRid(ai, &mySsid, lock);
3836 if ( status != SUCCESS ) return ERROR;
3839 status = enable_MAC(ai, lock);
3840 if (status != SUCCESS)
3843 /* Grab the initial wep key, we gotta save it for auto_wep */
3844 rc = readWepKeyRid(ai, &wkr, 1, lock);
3845 if (rc == SUCCESS) do {
3846 lastindex = wkr.kindex;
3847 if (wkr.kindex == cpu_to_le16(0xffff)) {
3848 ai->defindex = wkr.mac[0];
3850 rc = readWepKeyRid(ai, &wkr, 0, lock);
3851 } while(lastindex != wkr.kindex);
3858 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3859 // Im really paranoid about letting it run forever!
3860 int max_tries = 600000;
3862 if (IN4500(ai, EVSTAT) & EV_CMD)
3863 OUT4500(ai, EVACK, EV_CMD);
3865 OUT4500(ai, PARAM0, pCmd->parm0);
3866 OUT4500(ai, PARAM1, pCmd->parm1);
3867 OUT4500(ai, PARAM2, pCmd->parm2);
3868 OUT4500(ai, COMMAND, pCmd->cmd);
3870 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3871 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3872 // PC4500 didn't notice command, try again
3873 OUT4500(ai, COMMAND, pCmd->cmd);
3874 if (!in_atomic() && (max_tries & 255) == 0)
3878 if ( max_tries == -1 ) {
3879 airo_print_err(ai->dev->name,
3880 "Max tries exceeded when issueing command");
3881 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3882 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3886 // command completed
3887 pRsp->status = IN4500(ai, STATUS);
3888 pRsp->rsp0 = IN4500(ai, RESP0);
3889 pRsp->rsp1 = IN4500(ai, RESP1);
3890 pRsp->rsp2 = IN4500(ai, RESP2);
3891 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3892 airo_print_err(ai->dev->name,
3893 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3894 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3897 // clear stuck command busy if necessary
3898 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3899 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3901 // acknowledge processing the status/response
3902 OUT4500(ai, EVACK, EV_CMD);
3907 /* Sets up the bap to start exchange data. whichbap should
3908 * be one of the BAP0 or BAP1 defines. Locks should be held before
3910 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3915 OUT4500(ai, SELECT0+whichbap, rid);
3916 OUT4500(ai, OFFSET0+whichbap, offset);
3918 int status = IN4500(ai, OFFSET0+whichbap);
3919 if (status & BAP_BUSY) {
3920 /* This isn't really a timeout, but its kinda
3925 } else if ( status & BAP_ERR ) {
3926 /* invalid rid or offset */
3927 airo_print_err(ai->dev->name, "BAP error %x %d",
3930 } else if (status & BAP_DONE) { // success
3933 if ( !(max_tries--) ) {
3934 airo_print_err(ai->dev->name,
3935 "BAP setup error too many retries\n");
3938 // -- PC4500 missed it, try again
3939 OUT4500(ai, SELECT0+whichbap, rid);
3940 OUT4500(ai, OFFSET0+whichbap, offset);
3945 /* should only be called by aux_bap_read. This aux function and the
3946 following use concepts not documented in the developers guide. I
3947 got them from a patch given to my by Aironet */
3948 static u16 aux_setup(struct airo_info *ai, u16 page,
3949 u16 offset, u16 *len)
3953 OUT4500(ai, AUXPAGE, page);
3954 OUT4500(ai, AUXOFF, 0);
3955 next = IN4500(ai, AUXDATA);
3956 *len = IN4500(ai, AUXDATA)&0xff;
3957 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3961 /* requires call to bap_setup() first */
3962 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3963 int bytelen, int whichbap)
3971 unsigned long flags;
3973 spin_lock_irqsave(&ai->aux_lock, flags);
3974 page = IN4500(ai, SWS0+whichbap);
3975 offset = IN4500(ai, SWS2+whichbap);
3976 next = aux_setup(ai, page, offset, &len);
3977 words = (bytelen+1)>>1;
3979 for (i=0; i<words;) {
3981 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3983 insw( ai->dev->base_addr+DATA0+whichbap,
3986 insb( ai->dev->base_addr+DATA0+whichbap,
3987 pu16Dst+i, count << 1 );
3990 next = aux_setup(ai, next, 4, &len);
3993 spin_unlock_irqrestore(&ai->aux_lock, flags);
3998 /* requires call to bap_setup() first */
3999 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4000 int bytelen, int whichbap)
4002 bytelen = (bytelen + 1) & (~1); // round up to even value
4004 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4006 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4010 /* requires call to bap_setup() first */
4011 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4012 int bytelen, int whichbap)
4014 bytelen = (bytelen + 1) & (~1); // round up to even value
4016 outsw( ai->dev->base_addr+DATA0+whichbap,
4017 pu16Src, bytelen>>1 );
4019 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4023 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4025 Cmd cmd; /* for issuing commands */
4026 Resp rsp; /* response from commands */
4029 memset(&cmd, 0, sizeof(cmd));
4032 status = issuecommand(ai, &cmd, &rsp);
4033 if (status != 0) return status;
4034 if ( (rsp.status & 0x7F00) != 0) {
4035 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4040 /* Note, that we are using BAP1 which is also used by transmit, so
4041 * we must get a lock. */
4042 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4048 if (down_interruptible(&ai->sem))
4051 if (test_bit(FLAG_MPI,&ai->flags)) {
4055 memset(&cmd, 0, sizeof(cmd));
4056 memset(&rsp, 0, sizeof(rsp));
4057 ai->config_desc.rid_desc.valid = 1;
4058 ai->config_desc.rid_desc.len = RIDSIZE;
4059 ai->config_desc.rid_desc.rid = 0;
4060 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4062 cmd.cmd = CMD_ACCESS;
4065 memcpy_toio(ai->config_desc.card_ram_off,
4066 &ai->config_desc.rid_desc, sizeof(Rid));
4068 rc = issuecommand(ai, &cmd, &rsp);
4070 if (rsp.status & 0x7f00)
4073 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4076 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4080 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4084 // read the rid length field
4085 bap_read(ai, pBuf, 2, BAP1);
4086 // length for remaining part of rid
4087 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4090 airo_print_err(ai->dev->name,
4091 "Rid %x has a length of %d which is too short",
4092 (int)rid, (int)len );
4096 // read remainder of the rid
4097 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4105 /* Note, that we are using BAP1 which is also used by transmit, so
4106 * make sure this isnt called when a transmit is happening */
4107 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4108 const void *pBuf, int len, int lock)
4113 *(__le16*)pBuf = cpu_to_le16((u16)len);
4116 if (down_interruptible(&ai->sem))
4119 if (test_bit(FLAG_MPI,&ai->flags)) {
4123 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4124 airo_print_err(ai->dev->name,
4125 "%s: MAC should be disabled (rid=%04x)",
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4130 ai->config_desc.rid_desc.valid = 1;
4131 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4132 ai->config_desc.rid_desc.rid = 0;
4134 cmd.cmd = CMD_WRITERID;
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4140 if (len < 4 || len > 2047) {
4141 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4144 memcpy((char *)ai->config_desc.virtual_host_addr,
4147 rc = issuecommand(ai, &cmd, &rsp);
4148 if ((rc & 0xff00) != 0) {
4149 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4151 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4155 if ((rsp.status & 0x7f00))
4159 // --- first access so that we can write the rid data
4160 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4164 // --- now write the rid data
4165 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4169 bap_write(ai, pBuf, len, BAP1);
4170 // ---now commit the rid data
4171 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4179 /* Allocates a FID to be used for transmitting packets. We only use
4181 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4183 unsigned int loop = 3000;
4189 cmd.cmd = CMD_ALLOCATETX;
4190 cmd.parm0 = lenPayload;
4191 if (down_interruptible(&ai->sem))
4193 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4197 if ( (rsp.status & 0xFF00) != 0) {
4201 /* wait for the allocate event/indication
4202 * It makes me kind of nervous that this can just sit here and spin,
4203 * but in practice it only loops like four times. */
4204 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4210 // get the allocated fid and acknowledge
4211 txFid = IN4500(ai, TXALLOCFID);
4212 OUT4500(ai, EVACK, EV_ALLOC);
4214 /* The CARD is pretty cool since it converts the ethernet packet
4215 * into 802.11. Also note that we don't release the FID since we
4216 * will be using the same one over and over again. */
4217 /* We only have to setup the control once since we are not
4218 * releasing the fid. */
4220 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4221 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4223 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4224 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4225 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4228 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4236 /* In general BAP1 is dedicated to transmiting packets. However,
4237 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4238 Make sure the BAP1 spinlock is held when this is called. */
4239 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4250 if (len <= ETH_ALEN * 2) {
4251 airo_print_warn(ai->dev->name, "Short packet %d", len);
4254 len -= ETH_ALEN * 2;
4256 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4257 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4258 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4260 miclen = sizeof(pMic);
4262 // packet is destination[6], source[6], payload[len-12]
4263 // write the payload length and dst/src/payload
4264 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4265 /* The hardware addresses aren't counted as part of the payload, so
4266 * we have to subtract the 12 bytes for the addresses off */
4267 payloadLen = cpu_to_le16(len + miclen);
4268 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4269 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4271 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4272 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4273 // issue the transmit command
4274 memset( &cmd, 0, sizeof( cmd ) );
4275 cmd.cmd = CMD_TRANSMIT;
4277 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4278 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4282 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4284 __le16 fc, payloadLen;
4288 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4289 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4293 fc = *(__le16*)pPacket;
4294 hdrlen = header_len(fc);
4297 airo_print_warn(ai->dev->name, "Short packet %d", len);
4301 /* packet is 802.11 header + payload
4302 * write the payload length and dst/src/payload */
4303 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4304 /* The 802.11 header aren't counted as part of the payload, so
4305 * we have to subtract the header bytes off */
4306 payloadLen = cpu_to_le16(len-hdrlen);
4307 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4308 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4309 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4310 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4312 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4313 // issue the transmit command
4314 memset( &cmd, 0, sizeof( cmd ) );
4315 cmd.cmd = CMD_TRANSMIT;
4317 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4318 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4323 * This is the proc_fs routines. It is a bit messier than I would
4324 * like! Feel free to clean it up!
4327 static ssize_t proc_read( struct file *file,
4328 char __user *buffer,
4332 static ssize_t proc_write( struct file *file,
4333 const char __user *buffer,
4336 static int proc_close( struct inode *inode, struct file *file );
4338 static int proc_stats_open( struct inode *inode, struct file *file );
4339 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4340 static int proc_status_open( struct inode *inode, struct file *file );
4341 static int proc_SSID_open( struct inode *inode, struct file *file );
4342 static int proc_APList_open( struct inode *inode, struct file *file );
4343 static int proc_BSSList_open( struct inode *inode, struct file *file );
4344 static int proc_config_open( struct inode *inode, struct file *file );
4345 static int proc_wepkey_open( struct inode *inode, struct file *file );
4347 static const struct file_operations proc_statsdelta_ops = {
4348 .owner = THIS_MODULE,
4350 .open = proc_statsdelta_open,
4351 .release = proc_close
4354 static const struct file_operations proc_stats_ops = {
4355 .owner = THIS_MODULE,
4357 .open = proc_stats_open,
4358 .release = proc_close
4361 static const struct file_operations proc_status_ops = {
4362 .owner = THIS_MODULE,
4364 .open = proc_status_open,
4365 .release = proc_close
4368 static const struct file_operations proc_SSID_ops = {
4369 .owner = THIS_MODULE,
4371 .write = proc_write,
4372 .open = proc_SSID_open,
4373 .release = proc_close
4376 static const struct file_operations proc_BSSList_ops = {
4377 .owner = THIS_MODULE,
4379 .write = proc_write,
4380 .open = proc_BSSList_open,
4381 .release = proc_close
4384 static const struct file_operations proc_APList_ops = {
4385 .owner = THIS_MODULE,
4387 .write = proc_write,
4388 .open = proc_APList_open,
4389 .release = proc_close
4392 static const struct file_operations proc_config_ops = {
4393 .owner = THIS_MODULE,
4395 .write = proc_write,
4396 .open = proc_config_open,
4397 .release = proc_close
4400 static const struct file_operations proc_wepkey_ops = {
4401 .owner = THIS_MODULE,
4403 .write = proc_write,
4404 .open = proc_wepkey_open,
4405 .release = proc_close
4408 static struct proc_dir_entry *airo_entry;
4417 void (*on_close) (struct inode *, struct file *);
4420 static int setup_proc_entry( struct net_device *dev,
4421 struct airo_info *apriv ) {
4422 struct proc_dir_entry *entry;
4423 /* First setup the device directory */
4424 strcpy(apriv->proc_name,dev->name);
4425 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4428 if (!apriv->proc_entry)
4430 apriv->proc_entry->uid = proc_uid;
4431 apriv->proc_entry->gid = proc_gid;
4432 apriv->proc_entry->owner = THIS_MODULE;
4434 /* Setup the StatsDelta */
4435 entry = proc_create_data("StatsDelta",
4436 S_IFREG | (S_IRUGO&proc_perm),
4437 apriv->proc_entry, &proc_statsdelta_ops, dev);
4439 goto fail_stats_delta;
4440 entry->uid = proc_uid;
4441 entry->gid = proc_gid;
4443 /* Setup the Stats */
4444 entry = proc_create_data("Stats",
4445 S_IFREG | (S_IRUGO&proc_perm),
4446 apriv->proc_entry, &proc_stats_ops, dev);
4449 entry->uid = proc_uid;
4450 entry->gid = proc_gid;
4452 /* Setup the Status */
4453 entry = proc_create_data("Status",
4454 S_IFREG | (S_IRUGO&proc_perm),
4455 apriv->proc_entry, &proc_status_ops, dev);
4458 entry->uid = proc_uid;
4459 entry->gid = proc_gid;
4461 /* Setup the Config */
4462 entry = proc_create_data("Config",
4463 S_IFREG | proc_perm,
4464 apriv->proc_entry, &proc_config_ops, dev);
4467 entry->uid = proc_uid;
4468 entry->gid = proc_gid;
4470 /* Setup the SSID */
4471 entry = proc_create_data("SSID",
4472 S_IFREG | proc_perm,
4473 apriv->proc_entry, &proc_SSID_ops, dev);
4476 entry->uid = proc_uid;
4477 entry->gid = proc_gid;
4479 /* Setup the APList */
4480 entry = proc_create_data("APList",
4481 S_IFREG | proc_perm,
4482 apriv->proc_entry, &proc_APList_ops, dev);
4485 entry->uid = proc_uid;
4486 entry->gid = proc_gid;
4488 /* Setup the BSSList */
4489 entry = proc_create_data("BSSList",
4490 S_IFREG | proc_perm,
4491 apriv->proc_entry, &proc_BSSList_ops, dev);
4494 entry->uid = proc_uid;
4495 entry->gid = proc_gid;
4497 /* Setup the WepKey */
4498 entry = proc_create_data("WepKey",
4499 S_IFREG | proc_perm,
4500 apriv->proc_entry, &proc_wepkey_ops, dev);
4503 entry->uid = proc_uid;
4504 entry->gid = proc_gid;
4509 remove_proc_entry("BSSList", apriv->proc_entry);
4511 remove_proc_entry("APList", apriv->proc_entry);
4513 remove_proc_entry("SSID", apriv->proc_entry);
4515 remove_proc_entry("Config", apriv->proc_entry);
4517 remove_proc_entry("Status", apriv->proc_entry);
4519 remove_proc_entry("Stats", apriv->proc_entry);
4521 remove_proc_entry("StatsDelta", apriv->proc_entry);
4523 remove_proc_entry(apriv->proc_name, airo_entry);
4528 static int takedown_proc_entry( struct net_device *dev,
4529 struct airo_info *apriv ) {
4530 if ( !apriv->proc_entry->namelen ) return 0;
4531 remove_proc_entry("Stats",apriv->proc_entry);
4532 remove_proc_entry("StatsDelta",apriv->proc_entry);
4533 remove_proc_entry("Status",apriv->proc_entry);
4534 remove_proc_entry("Config",apriv->proc_entry);
4535 remove_proc_entry("SSID",apriv->proc_entry);
4536 remove_proc_entry("APList",apriv->proc_entry);
4537 remove_proc_entry("BSSList",apriv->proc_entry);
4538 remove_proc_entry("WepKey",apriv->proc_entry);
4539 remove_proc_entry(apriv->proc_name,airo_entry);
4544 * What we want from the proc_fs is to be able to efficiently read
4545 * and write the configuration. To do this, we want to read the
4546 * configuration when the file is opened and write it when the file is
4547 * closed. So basically we allocate a read buffer at open and fill it
4548 * with data, and allocate a write buffer and read it at close.
4552 * The read routine is generic, it relies on the preallocated rbuffer
4553 * to supply the data.
4555 static ssize_t proc_read( struct file *file,
4556 char __user *buffer,
4560 struct proc_data *priv = file->private_data;
4565 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4570 * The write routine is generic, it fills in a preallocated rbuffer
4571 * to supply the data.
4573 static ssize_t proc_write( struct file *file,
4574 const char __user *buffer,
4578 loff_t pos = *offset;
4579 struct proc_data *priv = (struct proc_data*)file->private_data;
4586 if (pos >= priv->maxwritelen)
4588 if (len > priv->maxwritelen - pos)
4589 len = priv->maxwritelen - pos;
4590 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4592 if ( pos + len > priv->writelen )
4593 priv->writelen = len + file->f_pos;
4594 *offset = pos + len;
4598 static int proc_status_open(struct inode *inode, struct file *file)
4600 struct proc_data *data;
4601 struct proc_dir_entry *dp = PDE(inode);
4602 struct net_device *dev = dp->data;
4603 struct airo_info *apriv = dev->priv;
4604 CapabilityRid cap_rid;
4605 StatusRid status_rid;
4609 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4611 data = (struct proc_data *)file->private_data;
4612 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4613 kfree (file->private_data);
4617 readStatusRid(apriv, &status_rid, 1);
4618 readCapabilityRid(apriv, &cap_rid, 1);
4620 mode = le16_to_cpu(status_rid.mode);
4622 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4623 mode & 1 ? "CFG ": "",
4624 mode & 2 ? "ACT ": "",
4625 mode & 0x10 ? "SYN ": "",
4626 mode & 0x20 ? "LNK ": "",
4627 mode & 0x40 ? "LEAP ": "",
4628 mode & 0x80 ? "PRIV ": "",
4629 mode & 0x100 ? "KEY ": "",
4630 mode & 0x200 ? "WEP ": "",
4631 mode & 0x8000 ? "ERR ": "");
4632 sprintf( data->rbuffer+i, "Mode: %x\n"
4633 "Signal Strength: %d\n"
4634 "Signal Quality: %d\n"
4639 "Driver Version: %s\n"
4640 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4641 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4642 "Software Version: %x\nSoftware Subversion: %x\n"
4643 "Boot block version: %x\n",
4644 le16_to_cpu(status_rid.mode),
4645 le16_to_cpu(status_rid.normalizedSignalStrength),
4646 le16_to_cpu(status_rid.signalQuality),
4647 le16_to_cpu(status_rid.SSIDlen),
4650 le16_to_cpu(status_rid.channel),
4651 le16_to_cpu(status_rid.currentXmitRate) / 2,
4656 le16_to_cpu(cap_rid.radioType),
4657 le16_to_cpu(cap_rid.country),
4658 le16_to_cpu(cap_rid.hardVer),
4659 le16_to_cpu(cap_rid.softVer),
4660 le16_to_cpu(cap_rid.softSubVer),
4661 le16_to_cpu(cap_rid.bootBlockVer));
4662 data->readlen = strlen( data->rbuffer );
4666 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4667 static int proc_statsdelta_open( struct inode *inode,
4668 struct file *file ) {
4669 if (file->f_mode&FMODE_WRITE) {
4670 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4672 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4675 static int proc_stats_open( struct inode *inode, struct file *file ) {
4676 return proc_stats_rid_open(inode, file, RID_STATS);
4679 static int proc_stats_rid_open( struct inode *inode,
4683 struct proc_data *data;
4684 struct proc_dir_entry *dp = PDE(inode);
4685 struct net_device *dev = dp->data;
4686 struct airo_info *apriv = dev->priv;
4689 __le32 *vals = stats.vals;
4690 int len = le16_to_cpu(stats.len);
4692 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4694 data = (struct proc_data *)file->private_data;
4695 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4696 kfree (file->private_data);
4700 readStatsRid(apriv, &stats, rid, 1);
4703 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4704 if (!statsLabels[i]) continue;
4705 if (j+strlen(statsLabels[i])+16>4096) {
4706 airo_print_warn(apriv->dev->name,
4707 "Potentially disasterous buffer overflow averted!");
4710 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4711 le32_to_cpu(vals[i]));
4714 airo_print_warn(apriv->dev->name, "Got a short rid");
4720 static int get_dec_u16( char *buffer, int *start, int limit ) {
4723 for( value = 0; buffer[*start] >= '0' &&
4724 buffer[*start] <= '9' &&
4725 *start < limit; (*start)++ ) {
4728 value += buffer[*start] - '0';
4730 if ( !valid ) return -1;
4734 static int airo_config_commit(struct net_device *dev,
4735 struct iw_request_info *info, void *zwrq,
4738 static inline int sniffing_mode(struct airo_info *ai)
4740 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4741 le16_to_cpu(RXMODE_RFMON);
4744 static void proc_config_on_close(struct inode *inode, struct file *file)
4746 struct proc_data *data = file->private_data;
4747 struct proc_dir_entry *dp = PDE(inode);
4748 struct net_device *dev = dp->data;
4749 struct airo_info *ai = dev->priv;
4752 if ( !data->writelen ) return;
4754 readConfigRid(ai, 1);
4755 set_bit (FLAG_COMMIT, &ai->flags);
4757 line = data->wbuffer;
4759 /*** Mode processing */
4760 if ( !strncmp( line, "Mode: ", 6 ) ) {
4762 if (sniffing_mode(ai))
4763 set_bit (FLAG_RESET, &ai->flags);
4764 ai->config.rmode &= ~RXMODE_FULL_MASK;
4765 clear_bit (FLAG_802_11, &ai->flags);
4766 ai->config.opmode &= ~MODE_CFG_MASK;
4767 ai->config.scanMode = SCANMODE_ACTIVE;
4768 if ( line[0] == 'a' ) {
4769 ai->config.opmode |= MODE_STA_IBSS;
4771 ai->config.opmode |= MODE_STA_ESS;
4772 if ( line[0] == 'r' ) {
4773 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4774 ai->config.scanMode = SCANMODE_PASSIVE;
4775 set_bit (FLAG_802_11, &ai->flags);
4776 } else if ( line[0] == 'y' ) {
4777 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4778 ai->config.scanMode = SCANMODE_PASSIVE;
4779 set_bit (FLAG_802_11, &ai->flags);
4780 } else if ( line[0] == 'l' )
4781 ai->config.rmode |= RXMODE_LANMON;
4783 set_bit (FLAG_COMMIT, &ai->flags);
4786 /*** Radio status */
4787 else if (!strncmp(line,"Radio: ", 7)) {
4789 if (!strncmp(line,"off",3)) {
4790 set_bit (FLAG_RADIO_OFF, &ai->flags);
4792 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4795 /*** NodeName processing */
4796 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4800 memset( ai->config.nodeName, 0, 16 );
4801 /* Do the name, assume a space between the mode and node name */
4802 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4803 ai->config.nodeName[j] = line[j];
4805 set_bit (FLAG_COMMIT, &ai->flags);
4808 /*** PowerMode processing */
4809 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4811 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4812 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4813 set_bit (FLAG_COMMIT, &ai->flags);
4814 } else if ( !strncmp( line, "PSP", 3 ) ) {
4815 ai->config.powerSaveMode = POWERSAVE_PSP;
4816 set_bit (FLAG_COMMIT, &ai->flags);
4818 ai->config.powerSaveMode = POWERSAVE_CAM;
4819 set_bit (FLAG_COMMIT, &ai->flags);
4821 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4822 int v, i = 0, k = 0; /* i is index into line,
4823 k is index to rates */
4826 while((v = get_dec_u16(line, &i, 3))!=-1) {
4827 ai->config.rates[k++] = (u8)v;
4831 set_bit (FLAG_COMMIT, &ai->flags);
4832 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4835 v = get_dec_u16(line, &i, i+3);
4837 ai->config.channelSet = cpu_to_le16(v);
4838 set_bit (FLAG_COMMIT, &ai->flags);
4840 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4843 v = get_dec_u16(line, &i, i+3);
4845 ai->config.txPower = cpu_to_le16(v);
4846 set_bit (FLAG_COMMIT, &ai->flags);
4848 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4852 ai->config.authType = AUTH_SHAREDKEY;
4855 ai->config.authType = AUTH_ENCRYPT;
4858 ai->config.authType = AUTH_OPEN;
4861 set_bit (FLAG_COMMIT, &ai->flags);
4862 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4866 v = get_dec_u16(line, &i, 3);
4867 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4868 ai->config.longRetryLimit = cpu_to_le16(v);
4869 set_bit (FLAG_COMMIT, &ai->flags);
4870 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4874 v = get_dec_u16(line, &i, 3);
4875 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4876 ai->config.shortRetryLimit = cpu_to_le16(v);
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4882 v = get_dec_u16(line, &i, 4);
4883 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4884 ai->config.rtsThres = cpu_to_le16(v);
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4890 v = get_dec_u16(line, &i, 5);
4892 ai->config.txLifetime = cpu_to_le16(v);
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4898 v = get_dec_u16(line, &i, 5);
4900 ai->config.rxLifetime = cpu_to_le16(v);
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4903 ai->config.txDiversity =
4904 (line[13]=='l') ? 1 :
4905 ((line[13]=='r')? 2: 3);
4906 set_bit (FLAG_COMMIT, &ai->flags);
4907 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4908 ai->config.rxDiversity =
4909 (line[13]=='l') ? 1 :
4910 ((line[13]=='r')? 2: 3);
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4916 v = get_dec_u16(line, &i, 4);
4917 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4918 v = v & 0xfffe; /* Make sure its even */
4919 ai->config.fragThresh = cpu_to_le16(v);
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if (!strncmp(line, "Modulation: ", 12)) {
4924 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4925 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4926 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4927 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4929 } else if (!strncmp(line, "Preamble: ", 10)) {
4932 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4933 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4934 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4935 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4938 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4940 while( line[0] && line[0] != '\n' ) line++;
4941 if ( line[0] ) line++;
4943 airo_config_commit(dev, NULL, NULL, NULL);
4946 static char *get_rmode(__le16 mode)
4948 switch(mode & RXMODE_MASK) {
4949 case RXMODE_RFMON: return "rfmon";
4950 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4951 case RXMODE_LANMON: return "lanmon";
4956 static int proc_config_open(struct inode *inode, struct file *file)
4958 struct proc_data *data;
4959 struct proc_dir_entry *dp = PDE(inode);
4960 struct net_device *dev = dp->data;
4961 struct airo_info *ai = dev->priv;
4965 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4967 data = (struct proc_data *)file->private_data;
4968 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4969 kfree (file->private_data);
4972 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
4973 kfree (data->rbuffer);
4974 kfree (file->private_data);
4977 data->maxwritelen = 2048;
4978 data->on_close = proc_config_on_close;
4980 readConfigRid(ai, 1);
4982 mode = ai->config.opmode & MODE_CFG_MASK;
4983 i = sprintf( data->rbuffer,
4988 "DataRates: %d %d %d %d %d %d %d %d\n"
4991 mode == MODE_STA_IBSS ? "adhoc" :
4992 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
4993 mode == MODE_AP ? "AP" :
4994 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
4995 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4996 ai->config.nodeName,
4997 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
4998 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
4999 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5001 (int)ai->config.rates[0],
5002 (int)ai->config.rates[1],
5003 (int)ai->config.rates[2],
5004 (int)ai->config.rates[3],
5005 (int)ai->config.rates[4],
5006 (int)ai->config.rates[5],
5007 (int)ai->config.rates[6],
5008 (int)ai->config.rates[7],
5009 le16_to_cpu(ai->config.channelSet),
5010 le16_to_cpu(ai->config.txPower)
5012 sprintf( data->rbuffer + i,
5013 "LongRetryLimit: %d\n"
5014 "ShortRetryLimit: %d\n"
5015 "RTSThreshold: %d\n"
5016 "TXMSDULifetime: %d\n"
5017 "RXMSDULifetime: %d\n"
5020 "FragThreshold: %d\n"
5024 le16_to_cpu(ai->config.longRetryLimit),
5025 le16_to_cpu(ai->config.shortRetryLimit),
5026 le16_to_cpu(ai->config.rtsThres),
5027 le16_to_cpu(ai->config.txLifetime),
5028 le16_to_cpu(ai->config.rxLifetime),
5029 ai->config.txDiversity == 1 ? "left" :
5030 ai->config.txDiversity == 2 ? "right" : "both",
5031 ai->config.rxDiversity == 1 ? "left" :
5032 ai->config.rxDiversity == 2 ? "right" : "both",
5033 le16_to_cpu(ai->config.fragThresh),
5034 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5035 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5036 ai->config.modulation == MOD_DEFAULT ? "default" :
5037 ai->config.modulation == MOD_CCK ? "cck" :
5038 ai->config.modulation == MOD_MOK ? "mok" : "error",
5039 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5040 ai->config.preamble == PREAMBLE_LONG ? "long" :
5041 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5043 data->readlen = strlen( data->rbuffer );
5047 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5049 struct proc_data *data = (struct proc_data *)file->private_data;
5050 struct proc_dir_entry *dp = PDE(inode);
5051 struct net_device *dev = dp->data;
5052 struct airo_info *ai = dev->priv;
5055 char *p = data->wbuffer;
5056 char *end = p + data->writelen;
5058 if (!data->writelen)
5061 *end = '\n'; /* sentinel; we have space for it */
5063 memset(&SSID_rid, 0, sizeof(SSID_rid));
5065 for (i = 0; i < 3 && p < end; i++) {
5067 /* copy up to 32 characters from this line */
5068 while (*p != '\n' && j < 32)
5069 SSID_rid.ssids[i].ssid[j++] = *p++;
5072 SSID_rid.ssids[i].len = cpu_to_le16(j);
5073 /* skip to the beginning of the next line */
5074 while (*p++ != '\n')
5078 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5080 writeSsidRid(ai, &SSID_rid, 1);
5084 static inline u8 hexVal(char c) {
5085 if (c>='0' && c<='9') return c -= '0';
5086 if (c>='a' && c<='f') return c -= 'a'-10;
5087 if (c>='A' && c<='F') return c -= 'A'-10;
5091 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5092 struct proc_data *data = (struct proc_data *)file->private_data;
5093 struct proc_dir_entry *dp = PDE(inode);
5094 struct net_device *dev = dp->data;
5095 struct airo_info *ai = dev->priv;
5096 APListRid APList_rid;
5099 if ( !data->writelen ) return;
5101 memset( &APList_rid, 0, sizeof(APList_rid) );
5102 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5104 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5106 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5109 APList_rid.ap[i][j/3]=
5110 hexVal(data->wbuffer[j+i*6*3])<<4;
5113 APList_rid.ap[i][j/3]|=
5114 hexVal(data->wbuffer[j+i*6*3]);
5120 writeAPListRid(ai, &APList_rid, 1);
5124 /* This function wraps PC4500_writerid with a MAC disable */
5125 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5126 int len, int dummy ) {
5130 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5135 /* Returns the length of the key at the index. If index == 0xffff
5136 * the index of the transmit key is returned. If the key doesn't exist,
5137 * -1 will be returned.
5139 static int get_wep_key(struct airo_info *ai, u16 index) {
5144 rc = readWepKeyRid(ai, &wkr, 1, 1);
5145 if (rc == SUCCESS) do {
5146 lastindex = wkr.kindex;
5147 if (wkr.kindex == cpu_to_le16(index)) {
5148 if (index == 0xffff) {
5151 return le16_to_cpu(wkr.klen);
5153 readWepKeyRid(ai, &wkr, 0, 1);
5154 } while (lastindex != wkr.kindex);
5158 static int set_wep_key(struct airo_info *ai, u16 index,
5159 const char *key, u16 keylen, int perm, int lock )
5161 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5164 memset(&wkr, 0, sizeof(wkr));
5166 // We are selecting which key to use
5167 wkr.len = cpu_to_le16(sizeof(wkr));
5168 wkr.kindex = cpu_to_le16(0xffff);
5169 wkr.mac[0] = (char)index;
5170 if (perm) ai->defindex = (char)index;
5172 // We are actually setting the key
5173 wkr.len = cpu_to_le16(sizeof(wkr));
5174 wkr.kindex = cpu_to_le16(index);
5175 wkr.klen = cpu_to_le16(keylen);
5176 memcpy( wkr.key, key, keylen );
5177 memcpy( wkr.mac, macaddr, ETH_ALEN );
5180 if (perm) disable_MAC(ai, lock);
5181 writeWepKeyRid(ai, &wkr, perm, lock);
5182 if (perm) enable_MAC(ai, lock);
5186 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5187 struct proc_data *data;
5188 struct proc_dir_entry *dp = PDE(inode);
5189 struct net_device *dev = dp->data;
5190 struct airo_info *ai = dev->priv;
5196 memset(key, 0, sizeof(key));
5198 data = (struct proc_data *)file->private_data;
5199 if ( !data->writelen ) return;
5201 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5202 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5203 index = data->wbuffer[0] - '0';
5204 if (data->wbuffer[1] == '\n') {
5205 set_wep_key(ai, index, NULL, 0, 1, 1);
5210 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5214 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5217 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5220 key[i/3] |= hexVal(data->wbuffer[i+j]);
5224 set_wep_key(ai, index, key, i/3, 1, 1);
5227 static int proc_wepkey_open( struct inode *inode, struct file *file )
5229 struct proc_data *data;
5230 struct proc_dir_entry *dp = PDE(inode);
5231 struct net_device *dev = dp->data;
5232 struct airo_info *ai = dev->priv;
5239 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5241 memset(&wkr, 0, sizeof(wkr));
5242 data = (struct proc_data *)file->private_data;
5243 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5244 kfree (file->private_data);
5248 data->maxwritelen = 80;
5249 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5250 kfree (data->rbuffer);
5251 kfree (file->private_data);
5254 data->on_close = proc_wepkey_on_close;
5256 ptr = data->rbuffer;
5257 strcpy(ptr, "No wep keys\n");
5258 rc = readWepKeyRid(ai, &wkr, 1, 1);
5259 if (rc == SUCCESS) do {
5260 lastindex = wkr.kindex;
5261 if (wkr.kindex == cpu_to_le16(0xffff)) {
5262 j += sprintf(ptr+j, "Tx key = %d\n",
5265 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5266 le16_to_cpu(wkr.kindex),
5267 le16_to_cpu(wkr.klen));
5269 readWepKeyRid(ai, &wkr, 0, 1);
5270 } while((lastindex != wkr.kindex) && (j < 180-30));
5272 data->readlen = strlen( data->rbuffer );
5276 static int proc_SSID_open(struct inode *inode, struct file *file)
5278 struct proc_data *data;
5279 struct proc_dir_entry *dp = PDE(inode);
5280 struct net_device *dev = dp->data;
5281 struct airo_info *ai = dev->priv;
5286 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5288 data = (struct proc_data *)file->private_data;
5289 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5290 kfree (file->private_data);
5294 data->maxwritelen = 33*3;
5295 /* allocate maxwritelen + 1; we'll want a sentinel */
5296 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5297 kfree (data->rbuffer);
5298 kfree (file->private_data);
5301 data->on_close = proc_SSID_on_close;
5303 readSsidRid(ai, &SSID_rid);
5304 ptr = data->rbuffer;
5305 for (i = 0; i < 3; i++) {
5307 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5312 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5313 *ptr++ = SSID_rid.ssids[i].ssid[j];
5317 data->readlen = strlen( data->rbuffer );
5321 static int proc_APList_open( struct inode *inode, struct file *file ) {
5322 struct proc_data *data;
5323 struct proc_dir_entry *dp = PDE(inode);
5324 struct net_device *dev = dp->data;
5325 struct airo_info *ai = dev->priv;
5328 APListRid APList_rid;
5330 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5332 data = (struct proc_data *)file->private_data;
5333 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5334 kfree (file->private_data);
5338 data->maxwritelen = 4*6*3;
5339 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5340 kfree (data->rbuffer);
5341 kfree (file->private_data);
5344 data->on_close = proc_APList_on_close;
5346 readAPListRid(ai, &APList_rid);
5347 ptr = data->rbuffer;
5348 for( i = 0; i < 4; i++ ) {
5349 // We end when we find a zero MAC
5350 if ( !*(int*)APList_rid.ap[i] &&
5351 !*(int*)&APList_rid.ap[i][2]) break;
5352 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5354 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5357 data->readlen = strlen( data->rbuffer );
5361 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5362 struct proc_data *data;
5363 struct proc_dir_entry *dp = PDE(inode);
5364 struct net_device *dev = dp->data;
5365 struct airo_info *ai = dev->priv;
5367 BSSListRid BSSList_rid;
5369 /* If doLoseSync is not 1, we won't do a Lose Sync */
5370 int doLoseSync = -1;
5372 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5374 data = (struct proc_data *)file->private_data;
5375 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5376 kfree (file->private_data);
5380 data->maxwritelen = 0;
5381 data->wbuffer = NULL;
5382 data->on_close = NULL;
5384 if (file->f_mode & FMODE_WRITE) {
5385 if (!(file->f_mode & FMODE_READ)) {
5389 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5390 memset(&cmd, 0, sizeof(cmd));
5391 cmd.cmd=CMD_LISTBSS;
5392 if (down_interruptible(&ai->sem))
5393 return -ERESTARTSYS;
5394 issuecommand(ai, &cmd, &rsp);
5401 ptr = data->rbuffer;
5402 /* There is a race condition here if there are concurrent opens.
5403 Since it is a rare condition, we'll just live with it, otherwise
5404 we have to add a spin lock... */
5405 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5406 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5407 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5409 (int)BSSList_rid.ssidLen,
5411 le16_to_cpu(BSSList_rid.dBm));
5412 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5413 le16_to_cpu(BSSList_rid.dsChannel),
5414 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5415 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5416 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5417 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5418 rc = readBSSListRid(ai, 0, &BSSList_rid);
5421 data->readlen = strlen( data->rbuffer );
5425 static int proc_close( struct inode *inode, struct file *file )
5427 struct proc_data *data = file->private_data;
5429 if (data->on_close != NULL)
5430 data->on_close(inode, file);
5431 kfree(data->rbuffer);
5432 kfree(data->wbuffer);
5437 /* Since the card doesn't automatically switch to the right WEP mode,
5438 we will make it do it. If the card isn't associated, every secs we
5439 will switch WEP modes to see if that will help. If the card is
5440 associated we will check every minute to see if anything has
5442 static void timer_func( struct net_device *dev ) {
5443 struct airo_info *apriv = dev->priv;
5445 /* We don't have a link so try changing the authtype */
5446 readConfigRid(apriv, 0);
5447 disable_MAC(apriv, 0);
5448 switch(apriv->config.authType) {
5450 /* So drop to OPEN */
5451 apriv->config.authType = AUTH_OPEN;
5453 case AUTH_SHAREDKEY:
5454 if (apriv->keyindex < auto_wep) {
5455 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5456 apriv->config.authType = AUTH_SHAREDKEY;
5459 /* Drop to ENCRYPT */
5460 apriv->keyindex = 0;
5461 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5462 apriv->config.authType = AUTH_ENCRYPT;
5465 default: /* We'll escalate to SHAREDKEY */
5466 apriv->config.authType = AUTH_SHAREDKEY;
5468 set_bit (FLAG_COMMIT, &apriv->flags);
5469 writeConfigRid(apriv, 0);
5470 enable_MAC(apriv, 0);
5473 /* Schedule check to see if the change worked */
5474 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5475 apriv->expires = RUN_AT(HZ*3);
5479 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5480 const struct pci_device_id *pent)
5482 struct net_device *dev;
5484 if (pci_enable_device(pdev))
5486 pci_set_master(pdev);
5488 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5489 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5491 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5493 pci_disable_device(pdev);
5497 pci_set_drvdata(pdev, dev);
5501 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5503 struct net_device *dev = pci_get_drvdata(pdev);
5505 airo_print_info(dev->name, "Unregistering...");
5506 stop_airo_card(dev, 1);
5507 pci_disable_device(pdev);
5508 pci_set_drvdata(pdev, NULL);
5511 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5513 struct net_device *dev = pci_get_drvdata(pdev);
5514 struct airo_info *ai = dev->priv;
5519 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5523 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5526 readAPListRid(ai, ai->APList);
5527 readSsidRid(ai, ai->SSID);
5528 memset(&cmd, 0, sizeof(cmd));
5529 /* the lock will be released at the end of the resume callback */
5530 if (down_interruptible(&ai->sem))
5533 netif_device_detach(dev);
5535 cmd.cmd = HOSTSLEEP;
5536 issuecommand(ai, &cmd, &rsp);
5538 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5539 pci_save_state(pdev);
5540 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5543 static int airo_pci_resume(struct pci_dev *pdev)
5545 struct net_device *dev = pci_get_drvdata(pdev);
5546 struct airo_info *ai = dev->priv;
5547 pci_power_t prev_state = pdev->current_state;
5549 pci_set_power_state(pdev, PCI_D0);
5550 pci_restore_state(pdev);
5551 pci_enable_wake(pdev, PCI_D0, 0);
5553 if (prev_state != PCI_D1) {
5555 mpi_init_descriptors(ai);
5556 setup_card(ai, dev->dev_addr, 0);
5557 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5558 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5560 OUT4500(ai, EVACK, EV_AWAKEN);
5561 OUT4500(ai, EVACK, EV_AWAKEN);
5565 set_bit(FLAG_COMMIT, &ai->flags);
5569 writeSsidRid(ai, ai->SSID, 0);
5574 writeAPListRid(ai, ai->APList, 0);
5578 writeConfigRid(ai, 0);
5580 ai->power = PMSG_ON;
5581 netif_device_attach(dev);
5582 netif_wake_queue(dev);
5583 enable_interrupts(ai);
5589 static int __init airo_init_module( void )
5593 airo_entry = create_proc_entry("driver/aironet",
5594 S_IFDIR | airo_perm,
5598 airo_entry->uid = proc_uid;
5599 airo_entry->gid = proc_gid;
5602 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5603 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5604 "io=0x%x", irq[i], io[i] );
5605 if (init_airo_card( irq[i], io[i], 0, NULL ))
5610 airo_print_info("", "Probing for PCI adapters");
5611 i = pci_register_driver(&airo_driver);
5612 airo_print_info("", "Finished probing for PCI adapters");
5615 remove_proc_entry("driver/aironet", NULL);
5620 /* Always exit with success, as we are a library module
5621 * as well as a driver module
5626 static void __exit airo_cleanup_module( void )
5628 struct airo_info *ai;
5629 while(!list_empty(&airo_devices)) {
5630 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5631 airo_print_info(ai->dev->name, "Unregistering...");
5632 stop_airo_card(ai->dev, 1);
5635 pci_unregister_driver(&airo_driver);
5637 remove_proc_entry("driver/aironet", NULL);
5641 * Initial Wireless Extension code for Aironet driver by :
5642 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5643 * Conversion to new driver API by :
5644 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5645 * Javier also did a good amount of work here, adding some new extensions
5646 * and fixing my code. Let's just say that without him this code just
5647 * would not work at all... - Jean II
5650 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5655 return (0x100 - rssi_rid[rssi].rssidBm);
5658 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5665 for (i = 0; i < 256; i++)
5666 if (rssi_rid[i].rssidBm == dbm)
5667 return rssi_rid[i].rssipct;
5673 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5678 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5681 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5684 sq = le16_to_cpu(status_rid->signalQuality);
5685 if (memcmp(cap_rid->prodName, "350", 3))
5689 quality = 0x20 - sq;
5696 quality = 0xb0 - sq;
5700 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5701 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5703 /*------------------------------------------------------------------*/
5705 * Wireless Handler : get protocol name
5707 static int airo_get_name(struct net_device *dev,
5708 struct iw_request_info *info,
5712 strcpy(cwrq, "IEEE 802.11-DS");
5716 /*------------------------------------------------------------------*/
5718 * Wireless Handler : set frequency
5720 static int airo_set_freq(struct net_device *dev,
5721 struct iw_request_info *info,
5722 struct iw_freq *fwrq,
5725 struct airo_info *local = dev->priv;
5726 int rc = -EINPROGRESS; /* Call commit handler */
5728 /* If setting by frequency, convert to a channel */
5729 if((fwrq->e == 1) &&
5730 (fwrq->m >= (int) 2.412e8) &&
5731 (fwrq->m <= (int) 2.487e8)) {
5732 int f = fwrq->m / 100000;
5734 while((c < 14) && (f != frequency_list[c]))
5736 /* Hack to fall through... */
5740 /* Setting by channel number */
5741 if((fwrq->m > 1000) || (fwrq->e > 0))
5744 int channel = fwrq->m;
5745 /* We should do a better check than that,
5746 * based on the card capability !!! */
5747 if((channel < 1) || (channel > 14)) {
5748 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5752 readConfigRid(local, 1);
5753 /* Yes ! We can set it !!! */
5754 local->config.channelSet = cpu_to_le16(channel);
5755 set_bit (FLAG_COMMIT, &local->flags);
5761 /*------------------------------------------------------------------*/
5763 * Wireless Handler : get frequency
5765 static int airo_get_freq(struct net_device *dev,
5766 struct iw_request_info *info,
5767 struct iw_freq *fwrq,
5770 struct airo_info *local = dev->priv;
5771 StatusRid status_rid; /* Card status info */
5774 readConfigRid(local, 1);
5775 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5776 status_rid.channel = local->config.channelSet;
5778 readStatusRid(local, &status_rid, 1);
5780 ch = le16_to_cpu(status_rid.channel);
5781 if((ch > 0) && (ch < 15)) {
5782 fwrq->m = frequency_list[ch - 1] * 100000;
5792 /*------------------------------------------------------------------*/
5794 * Wireless Handler : set ESSID
5796 static int airo_set_essid(struct net_device *dev,
5797 struct iw_request_info *info,
5798 struct iw_point *dwrq,
5801 struct airo_info *local = dev->priv;
5802 SsidRid SSID_rid; /* SSIDs */
5804 /* Reload the list of current SSID */
5805 readSsidRid(local, &SSID_rid);
5807 /* Check if we asked for `any' */
5808 if(dwrq->flags == 0) {
5809 /* Just send an empty SSID list */
5810 memset(&SSID_rid, 0, sizeof(SSID_rid));
5812 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5814 /* Check the size of the string */
5815 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5818 /* Check if index is valid */
5819 if((index < 0) || (index >= 4)) {
5824 memset(SSID_rid.ssids[index].ssid, 0,
5825 sizeof(SSID_rid.ssids[index].ssid));
5826 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5827 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5829 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5830 /* Write it to the card */
5831 disable_MAC(local, 1);
5832 writeSsidRid(local, &SSID_rid, 1);
5833 enable_MAC(local, 1);
5838 /*------------------------------------------------------------------*/
5840 * Wireless Handler : get ESSID
5842 static int airo_get_essid(struct net_device *dev,
5843 struct iw_request_info *info,
5844 struct iw_point *dwrq,
5847 struct airo_info *local = dev->priv;
5848 StatusRid status_rid; /* Card status info */
5850 readStatusRid(local, &status_rid, 1);
5852 /* Note : if dwrq->flags != 0, we should
5853 * get the relevant SSID from the SSID list... */
5855 /* Get the current SSID */
5856 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5857 /* If none, we may want to get the one that was set */
5860 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5861 dwrq->flags = 1; /* active */
5866 /*------------------------------------------------------------------*/
5868 * Wireless Handler : set AP address
5870 static int airo_set_wap(struct net_device *dev,
5871 struct iw_request_info *info,
5872 struct sockaddr *awrq,
5875 struct airo_info *local = dev->priv;
5878 APListRid APList_rid;
5879 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5880 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5882 if (awrq->sa_family != ARPHRD_ETHER)
5884 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5885 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5886 memset(&cmd, 0, sizeof(cmd));
5887 cmd.cmd=CMD_LOSE_SYNC;
5888 if (down_interruptible(&local->sem))
5889 return -ERESTARTSYS;
5890 issuecommand(local, &cmd, &rsp);
5893 memset(&APList_rid, 0, sizeof(APList_rid));
5894 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5895 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5896 disable_MAC(local, 1);
5897 writeAPListRid(local, &APList_rid, 1);
5898 enable_MAC(local, 1);
5903 /*------------------------------------------------------------------*/
5905 * Wireless Handler : get AP address
5907 static int airo_get_wap(struct net_device *dev,
5908 struct iw_request_info *info,
5909 struct sockaddr *awrq,
5912 struct airo_info *local = dev->priv;
5913 StatusRid status_rid; /* Card status info */
5915 readStatusRid(local, &status_rid, 1);
5917 /* Tentative. This seems to work, wow, I'm lucky !!! */
5918 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5919 awrq->sa_family = ARPHRD_ETHER;
5924 /*------------------------------------------------------------------*/
5926 * Wireless Handler : set Nickname
5928 static int airo_set_nick(struct net_device *dev,
5929 struct iw_request_info *info,
5930 struct iw_point *dwrq,
5933 struct airo_info *local = dev->priv;
5935 /* Check the size of the string */
5936 if(dwrq->length > 16) {
5939 readConfigRid(local, 1);
5940 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5941 memcpy(local->config.nodeName, extra, dwrq->length);
5942 set_bit (FLAG_COMMIT, &local->flags);
5944 return -EINPROGRESS; /* Call commit handler */
5947 /*------------------------------------------------------------------*/
5949 * Wireless Handler : get Nickname
5951 static int airo_get_nick(struct net_device *dev,
5952 struct iw_request_info *info,
5953 struct iw_point *dwrq,
5956 struct airo_info *local = dev->priv;
5958 readConfigRid(local, 1);
5959 strncpy(extra, local->config.nodeName, 16);
5961 dwrq->length = strlen(extra);
5966 /*------------------------------------------------------------------*/
5968 * Wireless Handler : set Bit-Rate
5970 static int airo_set_rate(struct net_device *dev,
5971 struct iw_request_info *info,
5972 struct iw_param *vwrq,
5975 struct airo_info *local = dev->priv;
5976 CapabilityRid cap_rid; /* Card capability info */
5980 /* First : get a valid bit rate value */
5981 readCapabilityRid(local, &cap_rid, 1);
5983 /* Which type of value ? */
5984 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5985 /* Setting by rate index */
5986 /* Find value in the magic rate table */
5987 brate = cap_rid.supportedRates[vwrq->value];
5989 /* Setting by frequency value */
5990 u8 normvalue = (u8) (vwrq->value/500000);
5992 /* Check if rate is valid */
5993 for(i = 0 ; i < 8 ; i++) {
5994 if(normvalue == cap_rid.supportedRates[i]) {
6000 /* -1 designed the max rate (mostly auto mode) */
6001 if(vwrq->value == -1) {
6002 /* Get the highest available rate */
6003 for(i = 0 ; i < 8 ; i++) {
6004 if(cap_rid.supportedRates[i] == 0)
6008 brate = cap_rid.supportedRates[i - 1];
6010 /* Check that it is valid */
6015 readConfigRid(local, 1);
6016 /* Now, check if we want a fixed or auto value */
6017 if(vwrq->fixed == 0) {
6018 /* Fill all the rates up to this max rate */
6019 memset(local->config.rates, 0, 8);
6020 for(i = 0 ; i < 8 ; i++) {
6021 local->config.rates[i] = cap_rid.supportedRates[i];
6022 if(local->config.rates[i] == brate)
6027 /* One rate, fixed */
6028 memset(local->config.rates, 0, 8);
6029 local->config.rates[0] = brate;
6031 set_bit (FLAG_COMMIT, &local->flags);
6033 return -EINPROGRESS; /* Call commit handler */
6036 /*------------------------------------------------------------------*/
6038 * Wireless Handler : get Bit-Rate
6040 static int airo_get_rate(struct net_device *dev,
6041 struct iw_request_info *info,
6042 struct iw_param *vwrq,
6045 struct airo_info *local = dev->priv;
6046 StatusRid status_rid; /* Card status info */
6048 readStatusRid(local, &status_rid, 1);
6050 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6051 /* If more than one rate, set auto */
6052 readConfigRid(local, 1);
6053 vwrq->fixed = (local->config.rates[1] == 0);
6058 /*------------------------------------------------------------------*/
6060 * Wireless Handler : set RTS threshold
6062 static int airo_set_rts(struct net_device *dev,
6063 struct iw_request_info *info,
6064 struct iw_param *vwrq,
6067 struct airo_info *local = dev->priv;
6068 int rthr = vwrq->value;
6071 rthr = AIRO_DEF_MTU;
6072 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6075 readConfigRid(local, 1);
6076 local->config.rtsThres = cpu_to_le16(rthr);
6077 set_bit (FLAG_COMMIT, &local->flags);
6079 return -EINPROGRESS; /* Call commit handler */
6082 /*------------------------------------------------------------------*/
6084 * Wireless Handler : get RTS threshold
6086 static int airo_get_rts(struct net_device *dev,
6087 struct iw_request_info *info,
6088 struct iw_param *vwrq,
6091 struct airo_info *local = dev->priv;
6093 readConfigRid(local, 1);
6094 vwrq->value = le16_to_cpu(local->config.rtsThres);
6095 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6101 /*------------------------------------------------------------------*/
6103 * Wireless Handler : set Fragmentation threshold
6105 static int airo_set_frag(struct net_device *dev,
6106 struct iw_request_info *info,
6107 struct iw_param *vwrq,
6110 struct airo_info *local = dev->priv;
6111 int fthr = vwrq->value;
6114 fthr = AIRO_DEF_MTU;
6115 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6118 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6119 readConfigRid(local, 1);
6120 local->config.fragThresh = cpu_to_le16(fthr);
6121 set_bit (FLAG_COMMIT, &local->flags);
6123 return -EINPROGRESS; /* Call commit handler */
6126 /*------------------------------------------------------------------*/
6128 * Wireless Handler : get Fragmentation threshold
6130 static int airo_get_frag(struct net_device *dev,
6131 struct iw_request_info *info,
6132 struct iw_param *vwrq,
6135 struct airo_info *local = dev->priv;
6137 readConfigRid(local, 1);
6138 vwrq->value = le16_to_cpu(local->config.fragThresh);
6139 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6145 /*------------------------------------------------------------------*/
6147 * Wireless Handler : set Mode of Operation
6149 static int airo_set_mode(struct net_device *dev,
6150 struct iw_request_info *info,
6154 struct airo_info *local = dev->priv;
6157 readConfigRid(local, 1);
6158 if (sniffing_mode(local))
6163 local->config.opmode &= ~MODE_CFG_MASK;
6164 local->config.opmode |= MODE_STA_IBSS;
6165 local->config.rmode &= ~RXMODE_FULL_MASK;
6166 local->config.scanMode = SCANMODE_ACTIVE;
6167 clear_bit (FLAG_802_11, &local->flags);
6170 local->config.opmode &= ~MODE_CFG_MASK;
6171 local->config.opmode |= MODE_STA_ESS;
6172 local->config.rmode &= ~RXMODE_FULL_MASK;
6173 local->config.scanMode = SCANMODE_ACTIVE;
6174 clear_bit (FLAG_802_11, &local->flags);
6176 case IW_MODE_MASTER:
6177 local->config.opmode &= ~MODE_CFG_MASK;
6178 local->config.opmode |= MODE_AP;
6179 local->config.rmode &= ~RXMODE_FULL_MASK;
6180 local->config.scanMode = SCANMODE_ACTIVE;
6181 clear_bit (FLAG_802_11, &local->flags);
6183 case IW_MODE_REPEAT:
6184 local->config.opmode &= ~MODE_CFG_MASK;
6185 local->config.opmode |= MODE_AP_RPTR;
6186 local->config.rmode &= ~RXMODE_FULL_MASK;
6187 local->config.scanMode = SCANMODE_ACTIVE;
6188 clear_bit (FLAG_802_11, &local->flags);
6190 case IW_MODE_MONITOR:
6191 local->config.opmode &= ~MODE_CFG_MASK;
6192 local->config.opmode |= MODE_STA_ESS;
6193 local->config.rmode &= ~RXMODE_FULL_MASK;
6194 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6195 local->config.scanMode = SCANMODE_PASSIVE;
6196 set_bit (FLAG_802_11, &local->flags);
6202 set_bit (FLAG_RESET, &local->flags);
6203 set_bit (FLAG_COMMIT, &local->flags);
6205 return -EINPROGRESS; /* Call commit handler */
6208 /*------------------------------------------------------------------*/
6210 * Wireless Handler : get Mode of Operation
6212 static int airo_get_mode(struct net_device *dev,
6213 struct iw_request_info *info,
6217 struct airo_info *local = dev->priv;
6219 readConfigRid(local, 1);
6220 /* If not managed, assume it's ad-hoc */
6221 switch (local->config.opmode & MODE_CFG_MASK) {
6223 *uwrq = IW_MODE_INFRA;
6226 *uwrq = IW_MODE_MASTER;
6229 *uwrq = IW_MODE_REPEAT;
6232 *uwrq = IW_MODE_ADHOC;
6238 static inline int valid_index(CapabilityRid *p, int index)
6242 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6245 /*------------------------------------------------------------------*/
6247 * Wireless Handler : set Encryption Key
6249 static int airo_set_encode(struct net_device *dev,
6250 struct iw_request_info *info,
6251 struct iw_point *dwrq,
6254 struct airo_info *local = dev->priv;
6255 CapabilityRid cap_rid; /* Card capability info */
6256 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6257 __le16 currentAuthType = local->config.authType;
6259 /* Is WEP supported ? */
6260 readCapabilityRid(local, &cap_rid, 1);
6261 /* Older firmware doesn't support this...
6262 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6265 readConfigRid(local, 1);
6267 /* Basic checking: do we have a key to set ?
6268 * Note : with the new API, it's impossible to get a NULL pointer.
6269 * Therefore, we need to check a key size == 0 instead.
6270 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6271 * when no key is present (only change flags), but older versions
6272 * don't do it. - Jean II */
6273 if (dwrq->length > 0) {
6275 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6276 int current_index = get_wep_key(local, 0xffff);
6277 /* Check the size of the key */
6278 if (dwrq->length > MAX_KEY_SIZE) {
6281 /* Check the index (none -> use current) */
6282 if (!valid_index(&cap_rid, index))
6283 index = current_index;
6284 /* Set the length */
6285 if (dwrq->length > MIN_KEY_SIZE)
6286 key.len = MAX_KEY_SIZE;
6288 if (dwrq->length > 0)
6289 key.len = MIN_KEY_SIZE;
6291 /* Disable the key */
6293 /* Check if the key is not marked as invalid */
6294 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6296 memset(key.key, 0, MAX_KEY_SIZE);
6297 /* Copy the key in the driver */
6298 memcpy(key.key, extra, dwrq->length);
6299 /* Send the key to the card */
6300 set_wep_key(local, index, key.key, key.len, perm, 1);
6302 /* WE specify that if a valid key is set, encryption
6303 * should be enabled (user may turn it off later)
6304 * This is also how "iwconfig ethX key on" works */
6305 if((index == current_index) && (key.len > 0) &&
6306 (local->config.authType == AUTH_OPEN)) {
6307 local->config.authType = AUTH_ENCRYPT;
6310 /* Do we want to just set the transmit key index ? */
6311 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6312 if (valid_index(&cap_rid, index)) {
6313 set_wep_key(local, index, NULL, 0, perm, 1);
6315 /* Don't complain if only change the mode */
6316 if (!(dwrq->flags & IW_ENCODE_MODE))
6319 /* Read the flags */
6320 if(dwrq->flags & IW_ENCODE_DISABLED)
6321 local->config.authType = AUTH_OPEN; // disable encryption
6322 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6323 local->config.authType = AUTH_SHAREDKEY; // Only Both
6324 if(dwrq->flags & IW_ENCODE_OPEN)
6325 local->config.authType = AUTH_ENCRYPT; // Only Wep
6326 /* Commit the changes to flags if needed */
6327 if (local->config.authType != currentAuthType)
6328 set_bit (FLAG_COMMIT, &local->flags);
6329 return -EINPROGRESS; /* Call commit handler */
6332 /*------------------------------------------------------------------*/
6334 * Wireless Handler : get Encryption Key
6336 static int airo_get_encode(struct net_device *dev,
6337 struct iw_request_info *info,
6338 struct iw_point *dwrq,
6341 struct airo_info *local = dev->priv;
6342 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6343 CapabilityRid cap_rid; /* Card capability info */
6345 /* Is it supported ? */
6346 readCapabilityRid(local, &cap_rid, 1);
6347 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6350 readConfigRid(local, 1);
6351 /* Check encryption mode */
6352 switch(local->config.authType) {
6354 dwrq->flags = IW_ENCODE_OPEN;
6356 case AUTH_SHAREDKEY:
6357 dwrq->flags = IW_ENCODE_RESTRICTED;
6361 dwrq->flags = IW_ENCODE_DISABLED;
6364 /* We can't return the key, so set the proper flag and return zero */
6365 dwrq->flags |= IW_ENCODE_NOKEY;
6366 memset(extra, 0, 16);
6368 /* Which key do we want ? -1 -> tx index */
6369 if (!valid_index(&cap_rid, index))
6370 index = get_wep_key(local, 0xffff);
6371 dwrq->flags |= index + 1;
6372 /* Copy the key to the user buffer */
6373 dwrq->length = get_wep_key(local, index);
6374 if (dwrq->length > 16) {
6380 /*------------------------------------------------------------------*/
6382 * Wireless Handler : set extended Encryption parameters
6384 static int airo_set_encodeext(struct net_device *dev,
6385 struct iw_request_info *info,
6386 union iwreq_data *wrqu,
6389 struct airo_info *local = dev->priv;
6390 struct iw_point *encoding = &wrqu->encoding;
6391 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6392 CapabilityRid cap_rid; /* Card capability info */
6393 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6394 __le16 currentAuthType = local->config.authType;
6395 int idx, key_len, alg = ext->alg, set_key = 1;
6398 /* Is WEP supported ? */
6399 readCapabilityRid(local, &cap_rid, 1);
6400 /* Older firmware doesn't support this...
6401 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6404 readConfigRid(local, 1);
6406 /* Determine and validate the key index */
6407 idx = encoding->flags & IW_ENCODE_INDEX;
6409 if (!valid_index(&cap_rid, idx - 1))
6413 idx = get_wep_key(local, 0xffff);
6415 if (encoding->flags & IW_ENCODE_DISABLED)
6416 alg = IW_ENCODE_ALG_NONE;
6418 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6419 /* Only set transmit key index here, actual
6420 * key is set below if needed.
6422 set_wep_key(local, idx, NULL, 0, perm, 1);
6423 set_key = ext->key_len > 0 ? 1 : 0;
6427 /* Set the requested key first */
6428 memset(key.key, 0, MAX_KEY_SIZE);
6430 case IW_ENCODE_ALG_NONE:
6433 case IW_ENCODE_ALG_WEP:
6434 if (ext->key_len > MIN_KEY_SIZE) {
6435 key.len = MAX_KEY_SIZE;
6436 } else if (ext->key_len > 0) {
6437 key.len = MIN_KEY_SIZE;
6441 key_len = min (ext->key_len, key.len);
6442 memcpy(key.key, ext->key, key_len);
6447 /* Send the key to the card */
6448 set_wep_key(local, idx, key.key, key.len, perm, 1);
6451 /* Read the flags */
6452 if(encoding->flags & IW_ENCODE_DISABLED)
6453 local->config.authType = AUTH_OPEN; // disable encryption
6454 if(encoding->flags & IW_ENCODE_RESTRICTED)
6455 local->config.authType = AUTH_SHAREDKEY; // Only Both
6456 if(encoding->flags & IW_ENCODE_OPEN)
6457 local->config.authType = AUTH_ENCRYPT; // Only Wep
6458 /* Commit the changes to flags if needed */
6459 if (local->config.authType != currentAuthType)
6460 set_bit (FLAG_COMMIT, &local->flags);
6462 return -EINPROGRESS;
6466 /*------------------------------------------------------------------*/
6468 * Wireless Handler : get extended Encryption parameters
6470 static int airo_get_encodeext(struct net_device *dev,
6471 struct iw_request_info *info,
6472 union iwreq_data *wrqu,
6475 struct airo_info *local = dev->priv;
6476 struct iw_point *encoding = &wrqu->encoding;
6477 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6478 CapabilityRid cap_rid; /* Card capability info */
6479 int idx, max_key_len;
6481 /* Is it supported ? */
6482 readCapabilityRid(local, &cap_rid, 1);
6483 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6486 readConfigRid(local, 1);
6488 max_key_len = encoding->length - sizeof(*ext);
6489 if (max_key_len < 0)
6492 idx = encoding->flags & IW_ENCODE_INDEX;
6494 if (!valid_index(&cap_rid, idx - 1))
6498 idx = get_wep_key(local, 0xffff);
6500 encoding->flags = idx + 1;
6501 memset(ext, 0, sizeof(*ext));
6503 /* Check encryption mode */
6504 switch(local->config.authType) {
6506 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6508 case AUTH_SHAREDKEY:
6509 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6513 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6516 /* We can't return the key, so set the proper flag and return zero */
6517 encoding->flags |= IW_ENCODE_NOKEY;
6518 memset(extra, 0, 16);
6520 /* Copy the key to the user buffer */
6521 ext->key_len = get_wep_key(local, idx);
6522 if (ext->key_len > 16) {
6530 /*------------------------------------------------------------------*/
6532 * Wireless Handler : set extended authentication parameters
6534 static int airo_set_auth(struct net_device *dev,
6535 struct iw_request_info *info,
6536 union iwreq_data *wrqu, char *extra)
6538 struct airo_info *local = dev->priv;
6539 struct iw_param *param = &wrqu->param;
6540 __le16 currentAuthType = local->config.authType;
6542 switch (param->flags & IW_AUTH_INDEX) {
6543 case IW_AUTH_WPA_VERSION:
6544 case IW_AUTH_CIPHER_PAIRWISE:
6545 case IW_AUTH_CIPHER_GROUP:
6546 case IW_AUTH_KEY_MGMT:
6547 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6548 case IW_AUTH_PRIVACY_INVOKED:
6550 * airo does not use these parameters
6554 case IW_AUTH_DROP_UNENCRYPTED:
6556 /* Only change auth type if unencrypted */
6557 if (currentAuthType == AUTH_OPEN)
6558 local->config.authType = AUTH_ENCRYPT;
6560 local->config.authType = AUTH_OPEN;
6563 /* Commit the changes to flags if needed */
6564 if (local->config.authType != currentAuthType)
6565 set_bit (FLAG_COMMIT, &local->flags);
6568 case IW_AUTH_80211_AUTH_ALG: {
6569 /* FIXME: What about AUTH_OPEN? This API seems to
6570 * disallow setting our auth to AUTH_OPEN.
6572 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6573 local->config.authType = AUTH_SHAREDKEY;
6574 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6575 local->config.authType = AUTH_ENCRYPT;
6580 /* Commit the changes to flags if needed */
6581 if (local->config.authType != currentAuthType)
6582 set_bit (FLAG_COMMIT, &local->flags);
6585 case IW_AUTH_WPA_ENABLED:
6586 /* Silently accept disable of WPA */
6587 if (param->value > 0)
6594 return -EINPROGRESS;
6598 /*------------------------------------------------------------------*/
6600 * Wireless Handler : get extended authentication parameters
6602 static int airo_get_auth(struct net_device *dev,
6603 struct iw_request_info *info,
6604 union iwreq_data *wrqu, char *extra)
6606 struct airo_info *local = dev->priv;
6607 struct iw_param *param = &wrqu->param;
6608 __le16 currentAuthType = local->config.authType;
6610 switch (param->flags & IW_AUTH_INDEX) {
6611 case IW_AUTH_DROP_UNENCRYPTED:
6612 switch (currentAuthType) {
6613 case AUTH_SHAREDKEY:
6623 case IW_AUTH_80211_AUTH_ALG:
6624 switch (currentAuthType) {
6625 case AUTH_SHAREDKEY:
6626 param->value = IW_AUTH_ALG_SHARED_KEY;
6630 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6635 case IW_AUTH_WPA_ENABLED:
6646 /*------------------------------------------------------------------*/
6648 * Wireless Handler : set Tx-Power
6650 static int airo_set_txpow(struct net_device *dev,
6651 struct iw_request_info *info,
6652 struct iw_param *vwrq,
6655 struct airo_info *local = dev->priv;
6656 CapabilityRid cap_rid; /* Card capability info */
6659 __le16 v = cpu_to_le16(vwrq->value);
6661 readCapabilityRid(local, &cap_rid, 1);
6663 if (vwrq->disabled) {
6664 set_bit (FLAG_RADIO_OFF, &local->flags);
6665 set_bit (FLAG_COMMIT, &local->flags);
6666 return -EINPROGRESS; /* Call commit handler */
6668 if (vwrq->flags != IW_TXPOW_MWATT) {
6671 clear_bit (FLAG_RADIO_OFF, &local->flags);
6672 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6673 if (v == cap_rid.txPowerLevels[i]) {
6674 readConfigRid(local, 1);
6675 local->config.txPower = v;
6676 set_bit (FLAG_COMMIT, &local->flags);
6677 rc = -EINPROGRESS; /* Call commit handler */
6683 /*------------------------------------------------------------------*/
6685 * Wireless Handler : get Tx-Power
6687 static int airo_get_txpow(struct net_device *dev,
6688 struct iw_request_info *info,
6689 struct iw_param *vwrq,
6692 struct airo_info *local = dev->priv;
6694 readConfigRid(local, 1);
6695 vwrq->value = le16_to_cpu(local->config.txPower);
6696 vwrq->fixed = 1; /* No power control */
6697 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6698 vwrq->flags = IW_TXPOW_MWATT;
6703 /*------------------------------------------------------------------*/
6705 * Wireless Handler : set Retry limits
6707 static int airo_set_retry(struct net_device *dev,
6708 struct iw_request_info *info,
6709 struct iw_param *vwrq,
6712 struct airo_info *local = dev->priv;
6715 if(vwrq->disabled) {
6718 readConfigRid(local, 1);
6719 if(vwrq->flags & IW_RETRY_LIMIT) {
6720 __le16 v = cpu_to_le16(vwrq->value);
6721 if(vwrq->flags & IW_RETRY_LONG)
6722 local->config.longRetryLimit = v;
6723 else if (vwrq->flags & IW_RETRY_SHORT)
6724 local->config.shortRetryLimit = v;
6726 /* No modifier : set both */
6727 local->config.longRetryLimit = v;
6728 local->config.shortRetryLimit = v;
6730 set_bit (FLAG_COMMIT, &local->flags);
6731 rc = -EINPROGRESS; /* Call commit handler */
6733 if(vwrq->flags & IW_RETRY_LIFETIME) {
6734 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6735 set_bit (FLAG_COMMIT, &local->flags);
6736 rc = -EINPROGRESS; /* Call commit handler */
6741 /*------------------------------------------------------------------*/
6743 * Wireless Handler : get Retry limits
6745 static int airo_get_retry(struct net_device *dev,
6746 struct iw_request_info *info,
6747 struct iw_param *vwrq,
6750 struct airo_info *local = dev->priv;
6752 vwrq->disabled = 0; /* Can't be disabled */
6754 readConfigRid(local, 1);
6755 /* Note : by default, display the min retry number */
6756 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6757 vwrq->flags = IW_RETRY_LIFETIME;
6758 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6759 } else if((vwrq->flags & IW_RETRY_LONG)) {
6760 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6761 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6763 vwrq->flags = IW_RETRY_LIMIT;
6764 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6765 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6766 vwrq->flags |= IW_RETRY_SHORT;
6772 /*------------------------------------------------------------------*/
6774 * Wireless Handler : get range info
6776 static int airo_get_range(struct net_device *dev,
6777 struct iw_request_info *info,
6778 struct iw_point *dwrq,
6781 struct airo_info *local = dev->priv;
6782 struct iw_range *range = (struct iw_range *) extra;
6783 CapabilityRid cap_rid; /* Card capability info */
6787 readCapabilityRid(local, &cap_rid, 1);
6789 dwrq->length = sizeof(struct iw_range);
6790 memset(range, 0, sizeof(*range));
6791 range->min_nwid = 0x0000;
6792 range->max_nwid = 0x0000;
6793 range->num_channels = 14;
6794 /* Should be based on cap_rid.country to give only
6795 * what the current card support */
6797 for(i = 0; i < 14; i++) {
6798 range->freq[k].i = i + 1; /* List index */
6799 range->freq[k].m = frequency_list[i] * 100000;
6800 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6802 range->num_frequency = k;
6804 range->sensitivity = 65535;
6806 /* Hum... Should put the right values there */
6808 range->max_qual.qual = 100; /* % */
6810 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6811 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6812 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6814 /* Experimental measurements - boundary 11/5.5 Mb/s */
6815 /* Note : with or without the (local->rssi), results
6816 * are somewhat different. - Jean II */
6818 range->avg_qual.qual = 50; /* % */
6819 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6821 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6822 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6824 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6826 for(i = 0 ; i < 8 ; i++) {
6827 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6828 if(range->bitrate[i] == 0)
6831 range->num_bitrates = i;
6833 /* Set an indication of the max TCP throughput
6834 * in bit/s that we can expect using this interface.
6835 * May be use for QoS stuff... Jean II */
6837 range->throughput = 5000 * 1000;
6839 range->throughput = 1500 * 1000;
6842 range->max_rts = AIRO_DEF_MTU;
6843 range->min_frag = 256;
6844 range->max_frag = AIRO_DEF_MTU;
6846 if(cap_rid.softCap & cpu_to_le16(2)) {
6848 range->encoding_size[0] = 5;
6850 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6851 range->encoding_size[1] = 13;
6852 range->num_encoding_sizes = 2;
6854 range->num_encoding_sizes = 1;
6855 range->max_encoding_tokens =
6856 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6858 range->num_encoding_sizes = 0;
6859 range->max_encoding_tokens = 0;
6862 range->max_pmp = 5000000; /* 5 secs */
6864 range->max_pmt = 65535 * 1024; /* ??? */
6865 range->pmp_flags = IW_POWER_PERIOD;
6866 range->pmt_flags = IW_POWER_TIMEOUT;
6867 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6869 /* Transmit Power - values are in mW */
6870 for(i = 0 ; i < 8 ; i++) {
6871 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6872 if(range->txpower[i] == 0)
6875 range->num_txpower = i;
6876 range->txpower_capa = IW_TXPOW_MWATT;
6877 range->we_version_source = 19;
6878 range->we_version_compiled = WIRELESS_EXT;
6879 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6880 range->retry_flags = IW_RETRY_LIMIT;
6881 range->r_time_flags = IW_RETRY_LIFETIME;
6882 range->min_retry = 1;
6883 range->max_retry = 65535;
6884 range->min_r_time = 1024;
6885 range->max_r_time = 65535 * 1024;
6887 /* Event capability (kernel + driver) */
6888 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6889 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6890 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6891 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6892 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6893 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6897 /*------------------------------------------------------------------*/
6899 * Wireless Handler : set Power Management
6901 static int airo_set_power(struct net_device *dev,
6902 struct iw_request_info *info,
6903 struct iw_param *vwrq,
6906 struct airo_info *local = dev->priv;
6908 readConfigRid(local, 1);
6909 if (vwrq->disabled) {
6910 if (sniffing_mode(local))
6912 local->config.powerSaveMode = POWERSAVE_CAM;
6913 local->config.rmode &= ~RXMODE_MASK;
6914 local->config.rmode |= RXMODE_BC_MC_ADDR;
6915 set_bit (FLAG_COMMIT, &local->flags);
6916 return -EINPROGRESS; /* Call commit handler */
6918 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6919 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6920 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6921 set_bit (FLAG_COMMIT, &local->flags);
6922 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6923 local->config.fastListenInterval =
6924 local->config.listenInterval =
6925 cpu_to_le16((vwrq->value + 500) / 1024);
6926 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6927 set_bit (FLAG_COMMIT, &local->flags);
6929 switch (vwrq->flags & IW_POWER_MODE) {
6930 case IW_POWER_UNICAST_R:
6931 if (sniffing_mode(local))
6933 local->config.rmode &= ~RXMODE_MASK;
6934 local->config.rmode |= RXMODE_ADDR;
6935 set_bit (FLAG_COMMIT, &local->flags);
6937 case IW_POWER_ALL_R:
6938 if (sniffing_mode(local))
6940 local->config.rmode &= ~RXMODE_MASK;
6941 local->config.rmode |= RXMODE_BC_MC_ADDR;
6942 set_bit (FLAG_COMMIT, &local->flags);
6944 /* This is broken, fixme ;-) */
6949 // Note : we may want to factor local->need_commit here
6950 // Note2 : may also want to factor RXMODE_RFMON test
6951 return -EINPROGRESS; /* Call commit handler */
6954 /*------------------------------------------------------------------*/
6956 * Wireless Handler : get Power Management
6958 static int airo_get_power(struct net_device *dev,
6959 struct iw_request_info *info,
6960 struct iw_param *vwrq,
6963 struct airo_info *local = dev->priv;
6966 readConfigRid(local, 1);
6967 mode = local->config.powerSaveMode;
6968 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6970 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6971 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
6972 vwrq->flags = IW_POWER_TIMEOUT;
6974 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
6975 vwrq->flags = IW_POWER_PERIOD;
6977 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
6978 vwrq->flags |= IW_POWER_UNICAST_R;
6980 vwrq->flags |= IW_POWER_ALL_R;
6985 /*------------------------------------------------------------------*/
6987 * Wireless Handler : set Sensitivity
6989 static int airo_set_sens(struct net_device *dev,
6990 struct iw_request_info *info,
6991 struct iw_param *vwrq,
6994 struct airo_info *local = dev->priv;
6996 readConfigRid(local, 1);
6997 local->config.rssiThreshold =
6998 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
6999 set_bit (FLAG_COMMIT, &local->flags);
7001 return -EINPROGRESS; /* Call commit handler */
7004 /*------------------------------------------------------------------*/
7006 * Wireless Handler : get Sensitivity
7008 static int airo_get_sens(struct net_device *dev,
7009 struct iw_request_info *info,
7010 struct iw_param *vwrq,
7013 struct airo_info *local = dev->priv;
7015 readConfigRid(local, 1);
7016 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7017 vwrq->disabled = (vwrq->value == 0);
7023 /*------------------------------------------------------------------*/
7025 * Wireless Handler : get AP List
7026 * Note : this is deprecated in favor of IWSCAN
7028 static int airo_get_aplist(struct net_device *dev,
7029 struct iw_request_info *info,
7030 struct iw_point *dwrq,
7033 struct airo_info *local = dev->priv;
7034 struct sockaddr *address = (struct sockaddr *) extra;
7035 struct iw_quality qual[IW_MAX_AP];
7038 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7040 for (i = 0; i < IW_MAX_AP; i++) {
7042 if (readBSSListRid(local, loseSync, &BSSList))
7045 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7046 address[i].sa_family = ARPHRD_ETHER;
7047 dBm = le16_to_cpu(BSSList.dBm);
7049 qual[i].level = 0x100 - dBm;
7050 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7051 qual[i].updated = IW_QUAL_QUAL_UPDATED
7052 | IW_QUAL_LEVEL_UPDATED
7055 qual[i].level = (dBm + 321) / 2;
7057 qual[i].updated = IW_QUAL_QUAL_INVALID
7058 | IW_QUAL_LEVEL_UPDATED
7061 qual[i].noise = local->wstats.qual.noise;
7062 if (BSSList.index == cpu_to_le16(0xffff))
7066 StatusRid status_rid; /* Card status info */
7067 readStatusRid(local, &status_rid, 1);
7069 i < min(IW_MAX_AP, 4) &&
7070 (status_rid.bssid[i][0]
7071 & status_rid.bssid[i][1]
7072 & status_rid.bssid[i][2]
7073 & status_rid.bssid[i][3]
7074 & status_rid.bssid[i][4]
7075 & status_rid.bssid[i][5])!=0xff &&
7076 (status_rid.bssid[i][0]
7077 | status_rid.bssid[i][1]
7078 | status_rid.bssid[i][2]
7079 | status_rid.bssid[i][3]
7080 | status_rid.bssid[i][4]
7081 | status_rid.bssid[i][5]);
7083 memcpy(address[i].sa_data,
7084 status_rid.bssid[i], ETH_ALEN);
7085 address[i].sa_family = ARPHRD_ETHER;
7088 dwrq->flags = 1; /* Should be define'd */
7089 memcpy(extra + sizeof(struct sockaddr)*i,
7090 &qual, sizeof(struct iw_quality)*i);
7097 /*------------------------------------------------------------------*/
7099 * Wireless Handler : Initiate Scan
7101 static int airo_set_scan(struct net_device *dev,
7102 struct iw_request_info *info,
7103 struct iw_point *dwrq,
7106 struct airo_info *ai = dev->priv;
7111 /* Note : you may have realised that, as this is a SET operation,
7112 * this is privileged and therefore a normal user can't
7114 * This is not an error, while the device perform scanning,
7115 * traffic doesn't flow, so it's a perfect DoS...
7117 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7119 if (down_interruptible(&ai->sem))
7120 return -ERESTARTSYS;
7122 /* If there's already a scan in progress, don't
7123 * trigger another one. */
7124 if (ai->scan_timeout > 0)
7127 /* Initiate a scan command */
7128 ai->scan_timeout = RUN_AT(3*HZ);
7129 memset(&cmd, 0, sizeof(cmd));
7130 cmd.cmd=CMD_LISTBSS;
7131 issuecommand(ai, &cmd, &rsp);
7137 wake_up_interruptible(&ai->thr_wait);
7141 /*------------------------------------------------------------------*/
7143 * Translate scan data returned from the card to a card independent
7144 * format that the Wireless Tools will understand - Jean II
7146 static inline char *airo_translate_scan(struct net_device *dev,
7147 struct iw_request_info *info,
7152 struct airo_info *ai = dev->priv;
7153 struct iw_event iwe; /* Temporary buffer */
7154 __le16 capabilities;
7155 char * current_val; /* For rates */
7160 /* First entry *MUST* be the AP MAC address */
7161 iwe.cmd = SIOCGIWAP;
7162 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7163 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7164 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7165 &iwe, IW_EV_ADDR_LEN);
7167 /* Other entries will be displayed in the order we give them */
7170 iwe.u.data.length = bss->ssidLen;
7171 if(iwe.u.data.length > 32)
7172 iwe.u.data.length = 32;
7173 iwe.cmd = SIOCGIWESSID;
7174 iwe.u.data.flags = 1;
7175 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7179 iwe.cmd = SIOCGIWMODE;
7180 capabilities = bss->cap;
7181 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7182 if(capabilities & CAP_ESS)
7183 iwe.u.mode = IW_MODE_MASTER;
7185 iwe.u.mode = IW_MODE_ADHOC;
7186 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7187 &iwe, IW_EV_UINT_LEN);
7191 iwe.cmd = SIOCGIWFREQ;
7192 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7193 /* iwe.u.freq.m containt the channel (starting 1), our
7194 * frequency_list array start at index 0...
7196 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7198 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7199 &iwe, IW_EV_FREQ_LEN);
7201 dBm = le16_to_cpu(bss->dBm);
7203 /* Add quality statistics */
7206 iwe.u.qual.level = 0x100 - dBm;
7207 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7208 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7209 | IW_QUAL_LEVEL_UPDATED
7212 iwe.u.qual.level = (dBm + 321) / 2;
7213 iwe.u.qual.qual = 0;
7214 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7215 | IW_QUAL_LEVEL_UPDATED
7218 iwe.u.qual.noise = ai->wstats.qual.noise;
7219 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7220 &iwe, IW_EV_QUAL_LEN);
7222 /* Add encryption capability */
7223 iwe.cmd = SIOCGIWENCODE;
7224 if(capabilities & CAP_PRIVACY)
7225 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7227 iwe.u.data.flags = IW_ENCODE_DISABLED;
7228 iwe.u.data.length = 0;
7229 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7232 /* Rate : stuffing multiple values in a single event require a bit
7233 * more of magic - Jean II */
7234 current_val = current_ev + iwe_stream_lcp_len(info);
7236 iwe.cmd = SIOCGIWRATE;
7237 /* Those two flags are ignored... */
7238 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7240 for(i = 0 ; i < 8 ; i++) {
7241 /* NULL terminated */
7242 if(bss->rates[i] == 0)
7244 /* Bit rate given in 500 kb/s units (+ 0x80) */
7245 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7246 /* Add new value to event */
7247 current_val = iwe_stream_add_value(info, current_ev,
7248 current_val, end_buf,
7249 &iwe, IW_EV_PARAM_LEN);
7251 /* Check if we added any event */
7252 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7253 current_ev = current_val;
7255 /* Beacon interval */
7256 buf = kmalloc(30, GFP_KERNEL);
7258 iwe.cmd = IWEVCUSTOM;
7259 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7260 iwe.u.data.length = strlen(buf);
7261 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7266 /* Put WPA/RSN Information Elements into the event stream */
7267 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7268 unsigned int num_null_ies = 0;
7269 u16 length = sizeof (bss->extra.iep);
7270 struct ieee80211_info_element *info_element =
7271 (struct ieee80211_info_element *) &bss->extra.iep;
7273 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7274 if (sizeof(*info_element) + info_element->len > length) {
7275 /* Invalid element, don't continue parsing IE */
7279 switch (info_element->id) {
7280 case MFIE_TYPE_SSID:
7281 /* Two zero-length SSID elements
7282 * mean we're done parsing elements */
7283 if (!info_element->len)
7287 case MFIE_TYPE_GENERIC:
7288 if (info_element->len >= 4 &&
7289 info_element->data[0] == 0x00 &&
7290 info_element->data[1] == 0x50 &&
7291 info_element->data[2] == 0xf2 &&
7292 info_element->data[3] == 0x01) {
7293 iwe.cmd = IWEVGENIE;
7294 iwe.u.data.length = min(info_element->len + 2,
7296 current_ev = iwe_stream_add_point(
7299 (char *) info_element);
7304 iwe.cmd = IWEVGENIE;
7305 iwe.u.data.length = min(info_element->len + 2,
7307 current_ev = iwe_stream_add_point(
7308 info, current_ev, end_buf,
7309 &iwe, (char *) info_element);
7316 length -= sizeof(*info_element) + info_element->len;
7318 (struct ieee80211_info_element *)&info_element->
7319 data[info_element->len];
7325 /*------------------------------------------------------------------*/
7327 * Wireless Handler : Read Scan Results
7329 static int airo_get_scan(struct net_device *dev,
7330 struct iw_request_info *info,
7331 struct iw_point *dwrq,
7334 struct airo_info *ai = dev->priv;
7335 BSSListElement *net;
7337 char *current_ev = extra;
7339 /* If a scan is in-progress, return -EAGAIN */
7340 if (ai->scan_timeout > 0)
7343 if (down_interruptible(&ai->sem))
7346 list_for_each_entry (net, &ai->network_list, list) {
7347 /* Translate to WE format this entry */
7348 current_ev = airo_translate_scan(dev, info, current_ev,
7349 extra + dwrq->length,
7352 /* Check if there is space for one more entry */
7353 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7354 /* Ask user space to try again with a bigger buffer */
7360 /* Length of data */
7361 dwrq->length = (current_ev - extra);
7362 dwrq->flags = 0; /* todo */
7369 /*------------------------------------------------------------------*/
7371 * Commit handler : called after a bunch of SET operations
7373 static int airo_config_commit(struct net_device *dev,
7374 struct iw_request_info *info, /* NULL */
7375 void *zwrq, /* NULL */
7376 char *extra) /* NULL */
7378 struct airo_info *local = dev->priv;
7380 if (!test_bit (FLAG_COMMIT, &local->flags))
7383 /* Some of the "SET" function may have modified some of the
7384 * parameters. It's now time to commit them in the card */
7385 disable_MAC(local, 1);
7386 if (test_bit (FLAG_RESET, &local->flags)) {
7387 APListRid APList_rid;
7390 readAPListRid(local, &APList_rid);
7391 readSsidRid(local, &SSID_rid);
7392 if (test_bit(FLAG_MPI,&local->flags))
7393 setup_card(local, dev->dev_addr, 1 );
7395 reset_airo_card(dev);
7396 disable_MAC(local, 1);
7397 writeSsidRid(local, &SSID_rid, 1);
7398 writeAPListRid(local, &APList_rid, 1);
7400 if (down_interruptible(&local->sem))
7401 return -ERESTARTSYS;
7402 writeConfigRid(local, 0);
7403 enable_MAC(local, 0);
7404 if (test_bit (FLAG_RESET, &local->flags))
7405 airo_set_promisc(local);
7412 /*------------------------------------------------------------------*/
7414 * Structures to export the Wireless Handlers
7417 static const struct iw_priv_args airo_private_args[] = {
7418 /*{ cmd, set_args, get_args, name } */
7419 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7420 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7421 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7422 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7425 static const iw_handler airo_handler[] =
7427 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7428 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7429 (iw_handler) NULL, /* SIOCSIWNWID */
7430 (iw_handler) NULL, /* SIOCGIWNWID */
7431 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7432 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7433 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7434 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7435 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7436 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7437 (iw_handler) NULL, /* SIOCSIWRANGE */
7438 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7439 (iw_handler) NULL, /* SIOCSIWPRIV */
7440 (iw_handler) NULL, /* SIOCGIWPRIV */
7441 (iw_handler) NULL, /* SIOCSIWSTATS */
7442 (iw_handler) NULL, /* SIOCGIWSTATS */
7443 iw_handler_set_spy, /* SIOCSIWSPY */
7444 iw_handler_get_spy, /* SIOCGIWSPY */
7445 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7446 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7447 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7448 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7449 (iw_handler) NULL, /* -- hole -- */
7450 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7451 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7452 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7453 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7454 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7455 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7456 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7457 (iw_handler) NULL, /* -- hole -- */
7458 (iw_handler) NULL, /* -- hole -- */
7459 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7460 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7461 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7462 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7463 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7464 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7465 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7466 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7467 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7468 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7469 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7470 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7471 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7472 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7473 (iw_handler) NULL, /* -- hole -- */
7474 (iw_handler) NULL, /* -- hole -- */
7475 (iw_handler) NULL, /* SIOCSIWGENIE */
7476 (iw_handler) NULL, /* SIOCGIWGENIE */
7477 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7478 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7479 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7480 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7481 (iw_handler) NULL, /* SIOCSIWPMKSA */
7484 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7485 * We want to force the use of the ioctl code, because those can't be
7486 * won't work the iw_handler code (because they simultaneously read
7487 * and write data and iw_handler can't do that).
7488 * Note that it's perfectly legal to read/write on a single ioctl command,
7489 * you just can't use iwpriv and need to force it via the ioctl handler.
7491 static const iw_handler airo_private_handler[] =
7493 NULL, /* SIOCIWFIRSTPRIV */
7496 static const struct iw_handler_def airo_handler_def =
7498 .num_standard = ARRAY_SIZE(airo_handler),
7499 .num_private = ARRAY_SIZE(airo_private_handler),
7500 .num_private_args = ARRAY_SIZE(airo_private_args),
7501 .standard = airo_handler,
7502 .private = airo_private_handler,
7503 .private_args = airo_private_args,
7504 .get_wireless_stats = airo_get_wireless_stats,
7508 * This defines the configuration part of the Wireless Extensions
7509 * Note : irq and spinlock protection will occur in the subroutines
7512 * o Check input value more carefully and fill correct values in range
7513 * o Test and shakeout the bugs (if any)
7517 * Javier Achirica did a great job of merging code from the unnamed CISCO
7518 * developer that added support for flashing the card.
7520 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7523 struct airo_info *ai = (struct airo_info *)dev->priv;
7525 if (ai->power.event)
7535 int val = AIROMAGIC;
7537 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7539 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7548 /* Get the command struct and hand it off for evaluation by
7549 * the proper subfunction
7553 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7558 /* Separate R/W functions bracket legality here
7560 if ( com.command == AIRORSWVERSION ) {
7561 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7566 else if ( com.command <= AIRORRID)
7567 rc = readrids(dev,&com);
7568 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7569 rc = writerids(dev,&com);
7570 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7571 rc = flashcard(dev,&com);
7573 rc = -EINVAL; /* Bad command in ioctl */
7576 #endif /* CISCO_EXT */
7578 // All other calls are currently unsupported
7586 * Get the Wireless stats out of the driver
7587 * Note : irq and spinlock protection will occur in the subroutines
7590 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7594 static void airo_read_wireless_stats(struct airo_info *local)
7596 StatusRid status_rid;
7598 CapabilityRid cap_rid;
7599 __le32 *vals = stats_rid.vals;
7601 /* Get stats out of the card */
7602 clear_bit(JOB_WSTATS, &local->jobs);
7603 if (local->power.event) {
7607 readCapabilityRid(local, &cap_rid, 0);
7608 readStatusRid(local, &status_rid, 0);
7609 readStatsRid(local, &stats_rid, RID_STATS, 0);
7613 local->wstats.status = le16_to_cpu(status_rid.mode);
7615 /* Signal quality and co */
7617 local->wstats.qual.level =
7618 airo_rssi_to_dbm(local->rssi,
7619 le16_to_cpu(status_rid.sigQuality));
7620 /* normalizedSignalStrength appears to be a percentage */
7621 local->wstats.qual.qual =
7622 le16_to_cpu(status_rid.normalizedSignalStrength);
7624 local->wstats.qual.level =
7625 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7626 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7628 if (le16_to_cpu(status_rid.len) >= 124) {
7629 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7630 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7632 local->wstats.qual.noise = 0;
7633 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7636 /* Packets discarded in the wireless adapter due to wireless
7637 * specific problems */
7638 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7639 le32_to_cpu(vals[57]) +
7640 le32_to_cpu(vals[58]); /* SSID Mismatch */
7641 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7642 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7643 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7644 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7645 le32_to_cpu(vals[32]);
7646 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7649 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7651 struct airo_info *local = dev->priv;
7653 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7654 /* Get stats out of the card if available */
7655 if (down_trylock(&local->sem) != 0) {
7656 set_bit(JOB_WSTATS, &local->jobs);
7657 wake_up_interruptible(&local->thr_wait);
7659 airo_read_wireless_stats(local);
7662 return &local->wstats;
7667 * This just translates from driver IOCTL codes to the command codes to
7668 * feed to the radio's host interface. Things can be added/deleted
7669 * as needed. This represents the READ side of control I/O to
7672 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7673 unsigned short ridcode;
7674 unsigned char *iobuf;
7676 struct airo_info *ai = dev->priv;
7678 if (test_bit(FLAG_FLASHING, &ai->flags))
7681 switch(comp->command)
7683 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7684 case AIROGCFG: ridcode = RID_CONFIG;
7685 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7686 disable_MAC (ai, 1);
7687 writeConfigRid (ai, 1);
7691 case AIROGSLIST: ridcode = RID_SSID; break;
7692 case AIROGVLIST: ridcode = RID_APLIST; break;
7693 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7694 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7695 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7696 /* Only super-user can read WEP keys */
7697 if (!capable(CAP_NET_ADMIN))
7700 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7701 /* Only super-user can read WEP keys */
7702 if (!capable(CAP_NET_ADMIN))
7705 case AIROGSTAT: ridcode = RID_STATUS; break;
7706 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7707 case AIROGSTATSC32: ridcode = RID_STATS; break;
7709 if (copy_to_user(comp->data, &ai->micstats,
7710 min((int)comp->len,(int)sizeof(ai->micstats))))
7713 case AIRORRID: ridcode = comp->ridnum; break;
7719 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7722 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7723 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7724 * then return it to the user
7725 * 9/22/2000 Honor user given length
7729 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7738 * Danger Will Robinson write the rids here
7741 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7742 struct airo_info *ai = dev->priv;
7745 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7746 unsigned char *iobuf;
7748 /* Only super-user can write RIDs */
7749 if (!capable(CAP_NET_ADMIN))
7752 if (test_bit(FLAG_FLASHING, &ai->flags))
7756 writer = do_writerid;
7758 switch(comp->command)
7760 case AIROPSIDS: ridcode = RID_SSID; break;
7761 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7762 case AIROPAPLIST: ridcode = RID_APLIST; break;
7763 case AIROPCFG: ai->config.len = 0;
7764 clear_bit(FLAG_COMMIT, &ai->flags);
7765 ridcode = RID_CONFIG; break;
7766 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7767 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7768 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7769 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7771 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7772 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7774 /* this is not really a rid but a command given to the card
7778 if (enable_MAC(ai, 1) != 0)
7783 * Evidently this code in the airo driver does not get a symbol
7784 * as disable_MAC. it's probably so short the compiler does not gen one.
7790 /* This command merely clears the counts does not actually store any data
7791 * only reads rid. But as it changes the cards state, I put it in the
7792 * writerid routines.
7795 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7798 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7800 enabled = ai->micstats.enabled;
7801 memset(&ai->micstats,0,sizeof(ai->micstats));
7802 ai->micstats.enabled = enabled;
7804 if (copy_to_user(comp->data, iobuf,
7805 min((int)comp->len, (int)RIDSIZE))) {
7813 return -EOPNOTSUPP; /* Blarg! */
7815 if(comp->len > RIDSIZE)
7818 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7821 if (copy_from_user(iobuf,comp->data,comp->len)) {
7826 if (comp->command == AIROPCFG) {
7827 ConfigRid *cfg = (ConfigRid *)iobuf;
7829 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7830 cfg->opmode |= MODE_MIC;
7832 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7833 set_bit (FLAG_ADHOC, &ai->flags);
7835 clear_bit (FLAG_ADHOC, &ai->flags);
7838 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7846 /*****************************************************************************
7847 * Ancillary flash / mod functions much black magic lurkes here *
7848 *****************************************************************************
7852 * Flash command switch table
7855 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7858 /* Only super-user can modify flash */
7859 if (!capable(CAP_NET_ADMIN))
7862 switch(comp->command)
7865 return cmdreset((struct airo_info *)dev->priv);
7868 if (!((struct airo_info *)dev->priv)->flash &&
7869 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7871 return setflashmode((struct airo_info *)dev->priv);
7873 case AIROFLSHGCHR: /* Get char from aux */
7874 if(comp->len != sizeof(int))
7876 if (copy_from_user(&z,comp->data,comp->len))
7878 return flashgchar((struct airo_info *)dev->priv,z,8000);
7880 case AIROFLSHPCHR: /* Send char to card. */
7881 if(comp->len != sizeof(int))
7883 if (copy_from_user(&z,comp->data,comp->len))
7885 return flashpchar((struct airo_info *)dev->priv,z,8000);
7887 case AIROFLPUTBUF: /* Send 32k to card */
7888 if (!((struct airo_info *)dev->priv)->flash)
7890 if(comp->len > FLASHSIZE)
7892 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7895 flashputbuf((struct airo_info *)dev->priv);
7899 if(flashrestart((struct airo_info *)dev->priv,dev))
7906 #define FLASH_COMMAND 0x7e7e
7910 * Disable MAC and do soft reset on
7914 static int cmdreset(struct airo_info *ai) {
7918 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7922 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7924 ssleep(1); /* WAS 600 12/7/00 */
7927 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7934 * Put the card in legendary flash
7938 static int setflashmode (struct airo_info *ai) {
7939 set_bit (FLAG_FLASHING, &ai->flags);
7941 OUT4500(ai, SWS0, FLASH_COMMAND);
7942 OUT4500(ai, SWS1, FLASH_COMMAND);
7944 OUT4500(ai, SWS0, FLASH_COMMAND);
7945 OUT4500(ai, COMMAND,0x10);
7947 OUT4500(ai, SWS2, FLASH_COMMAND);
7948 OUT4500(ai, SWS3, FLASH_COMMAND);
7949 OUT4500(ai, COMMAND,0);
7951 msleep(500); /* 500ms delay */
7954 clear_bit (FLAG_FLASHING, &ai->flags);
7955 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7961 /* Put character to SWS0 wait for dwelltime
7965 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7976 /* Wait for busy bit d15 to go false indicating buffer empty */
7977 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7982 /* timeout for busy clear wait */
7984 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
7988 /* Port is clear now write byte and wait for it to echo back */
7990 OUT4500(ai,SWS0,byte);
7993 echo = IN4500(ai,SWS1);
7994 } while (dwelltime >= 0 && echo != byte);
7998 return (echo == byte) ? 0 : -EIO;
8002 * Get a character from the card matching matchbyte
8005 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8007 unsigned char rbyte=0;
8010 rchar = IN4500(ai,SWS1);
8012 if(dwelltime && !(0x8000 & rchar)){
8017 rbyte = 0xff & rchar;
8019 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8023 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8027 }while(dwelltime > 0);
8032 * Transfer 32k of firmware data from user buffer to our buffer and
8036 static int flashputbuf(struct airo_info *ai){
8040 if (test_bit(FLAG_MPI,&ai->flags))
8041 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8043 OUT4500(ai,AUXPAGE,0x100);
8044 OUT4500(ai,AUXOFF,0);
8046 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8047 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8050 OUT4500(ai,SWS0,0x8000);
8058 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8061 ssleep(1); /* Added 12/7/00 */
8062 clear_bit (FLAG_FLASHING, &ai->flags);
8063 if (test_bit(FLAG_MPI, &ai->flags)) {
8064 status = mpi_init_descriptors(ai);
8065 if (status != SUCCESS)
8068 status = setup_card(ai, dev->dev_addr, 1);
8070 if (!test_bit(FLAG_MPI,&ai->flags))
8071 for( i = 0; i < MAX_FIDS; i++ ) {
8072 ai->fids[i] = transmit_allocate
8073 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8076 ssleep(1); /* Added 12/7/00 */
8079 #endif /* CISCO_EXT */
8082 This program is free software; you can redistribute it and/or
8083 modify it under the terms of the GNU General Public License
8084 as published by the Free Software Foundation; either version 2
8085 of the License, or (at your option) any later version.
8087 This program is distributed in the hope that it will be useful,
8088 but WITHOUT ANY WARRANTY; without even the implied warranty of
8089 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8090 GNU General Public License for more details.
8094 Redistribution and use in source and binary forms, with or without
8095 modification, are permitted provided that the following conditions
8098 1. Redistributions of source code must retain the above copyright
8099 notice, this list of conditions and the following disclaimer.
8100 2. Redistributions in binary form must reproduce the above copyright
8101 notice, this list of conditions and the following disclaimer in the
8102 documentation and/or other materials provided with the distribution.
8103 3. The name of the author may not be used to endorse or promote
8104 products derived from this software without specific prior written
8107 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8108 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8109 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8110 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8111 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8112 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8113 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8114 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8115 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8116 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8117 POSSIBILITY OF SUCH DAMAGE.
8120 module_init(airo_init_module);
8121 module_exit(airo_cleanup_module);