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)
1273 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1275 /***********************************************************************
1277 ***********************************************************************
1280 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1281 static void MoveWindow(miccntx *context, u32 micSeq);
1282 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1283 struct crypto_cipher *tfm);
1284 static void emmh32_init(emmh32_context *context);
1285 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1286 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1287 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1289 /* micinit - Initialize mic seed */
1291 static void micinit(struct airo_info *ai)
1295 clear_bit(JOB_MIC, &ai->jobs);
1296 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1299 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1301 if (ai->micstats.enabled) {
1302 /* Key must be valid and different */
1303 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1304 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1305 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1306 /* Age current mic Context */
1307 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1308 /* Initialize new context */
1309 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1310 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1311 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1312 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1313 ai->mod[0].mCtx.valid = 1; //Key is now valid
1315 /* Give key to mic seed */
1316 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1319 /* Key must be valid and different */
1320 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1321 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1322 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1323 /* Age current mic Context */
1324 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1325 /* Initialize new context */
1326 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1328 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1329 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1330 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1331 ai->mod[0].uCtx.valid = 1; //Key is now valid
1333 //Give key to mic seed
1334 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1337 /* So next time we have a valid key and mic is enabled, we will update
1338 * the sequence number if the key is the same as before.
1340 ai->mod[0].uCtx.valid = 0;
1341 ai->mod[0].mCtx.valid = 0;
1345 /* micsetup - Get ready for business */
1347 static int micsetup(struct airo_info *ai) {
1350 if (ai->tfm == NULL)
1351 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1353 if (IS_ERR(ai->tfm)) {
1354 airo_print_err(ai->dev->name, "failed to load transform for AES");
1359 for (i=0; i < NUM_MODULES; i++) {
1360 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1361 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1366 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1368 /*===========================================================================
1369 * Description: Mic a packet
1371 * Inputs: etherHead * pointer to an 802.3 frame
1373 * Returns: BOOLEAN if successful, otherwise false.
1374 * PacketTxLen will be updated with the mic'd packets size.
1376 * Caveats: It is assumed that the frame buffer will already
1377 * be big enough to hold the largets mic message possible.
1378 * (No memory allocation is done here).
1380 * Author: sbraneky (10/15/01)
1381 * Merciless hacks by rwilcher (1/14/02)
1384 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1388 // Determine correct context
1389 // If not adhoc, always use unicast key
1391 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1392 context = &ai->mod[0].mCtx;
1394 context = &ai->mod[0].uCtx;
1396 if (!context->valid)
1399 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1401 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1404 mic->seq = htonl(context->tx);
1407 emmh32_init(&context->seed); // Mic the packet
1408 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1409 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1410 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1411 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1412 emmh32_final(&context->seed, (u8*)&mic->mic);
1414 /* New Type/length ?????????? */
1415 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 /*===========================================================================
1428 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1429 * (removes the MIC stuff) if packet is a valid packet.
1431 * Inputs: etherHead pointer to the 802.3 packet
1433 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1435 * Author: sbraneky (10/15/01)
1436 * Merciless hacks by rwilcher (1/14/02)
1437 *---------------------------------------------------------------------------
1440 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1446 mic_error micError = NONE;
1448 // Check if the packet is a Mic'd packet
1450 if (!ai->micstats.enabled) {
1451 //No Mic set or Mic OFF but we received a MIC'd packet.
1452 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1453 ai->micstats.rxMICPlummed++;
1459 if (ntohs(mic->typelen) == 0x888E)
1462 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1463 // Mic enabled but packet isn't Mic'd
1464 ai->micstats.rxMICPlummed++;
1468 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1470 //At this point we a have a mic'd packet and mic is enabled
1471 //Now do the mic error checking.
1473 //Receive seq must be odd
1474 if ( (micSEQ & 1) == 0 ) {
1475 ai->micstats.rxWrongSequence++;
1479 for (i = 0; i < NUM_MODULES; i++) {
1480 int mcast = eth->da[0] & 1;
1481 //Determine proper context
1482 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1484 //Make sure context is valid
1485 if (!context->valid) {
1487 micError = NOMICPLUMMED;
1493 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1495 emmh32_init(&context->seed);
1496 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1497 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1498 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1499 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1501 emmh32_final(&context->seed, digest);
1503 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1506 micError = INCORRECTMIC;
1510 //Check Sequence number if mics pass
1511 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1512 ai->micstats.rxSuccess++;
1516 micError = SEQUENCE;
1519 // Update statistics
1521 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1522 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1523 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1530 /*===========================================================================
1531 * Description: Checks the Rx Seq number to make sure it is valid
1532 * and hasn't already been received
1534 * Inputs: miccntx - mic context to check seq against
1535 * micSeq - the Mic seq number
1537 * Returns: TRUE if valid otherwise FALSE.
1539 * Author: sbraneky (10/15/01)
1540 * Merciless hacks by rwilcher (1/14/02)
1541 *---------------------------------------------------------------------------
1544 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1548 //Allow for the ap being rebooted - if it is then use the next
1549 //sequence number of the current sequence number - might go backwards
1552 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33;
1555 context->rx = 0; // Reset rx
1557 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1558 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1559 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1560 context->rx = 0; // Reset rx
1563 //Make sequence number relative to START of window
1564 seq = micSeq - (context->window - 33);
1566 //Too old of a SEQ number to check.
1571 //Window is infinite forward
1572 MoveWindow(context,micSeq);
1576 // We are in the window. Now check the context rx bit to see if it was already sent
1577 seq >>= 1; //divide by 2 because we only have odd numbers
1578 index = 1 << seq; //Get an index number
1580 if (!(context->rx & index)) {
1581 //micSEQ falls inside the window.
1582 //Add seqence number to the list of received numbers.
1583 context->rx |= index;
1585 MoveWindow(context,micSeq);
1592 static void MoveWindow(miccntx *context, u32 micSeq)
1596 //Move window if seq greater than the middle of the window
1597 if (micSeq > context->window) {
1598 shift = (micSeq - context->window) >> 1;
1602 context->rx >>= shift;
1606 context->window = micSeq; //Move window
1610 /*==============================================*/
1611 /*========== EMMH ROUTINES ====================*/
1612 /*==============================================*/
1614 /* mic accumulate */
1615 #define MIC_ACCUM(val) \
1616 context->accum += (u64)(val) * context->coeff[coeff_position++];
1618 static unsigned char aes_counter[16];
1620 /* expand the key to fill the MMH coefficient array */
1621 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1622 struct crypto_cipher *tfm)
1624 /* take the keying material, expand if necessary, truncate at 16-bytes */
1625 /* run through AES counter mode to generate context->coeff[] */
1629 u8 *cipher, plain[16];
1631 crypto_cipher_setkey(tfm, pkey, 16);
1633 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1634 aes_counter[15] = (u8)(counter >> 0);
1635 aes_counter[14] = (u8)(counter >> 8);
1636 aes_counter[13] = (u8)(counter >> 16);
1637 aes_counter[12] = (u8)(counter >> 24);
1639 memcpy (plain, aes_counter, 16);
1640 crypto_cipher_encrypt_one(tfm, plain, plain);
1642 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1643 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1649 /* prepare for calculation of a new mic */
1650 static void emmh32_init(emmh32_context *context)
1652 /* prepare for new mic calculation */
1654 context->position = 0;
1657 /* add some bytes to the mic calculation */
1658 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1660 int coeff_position, byte_position;
1662 if (len == 0) return;
1664 coeff_position = context->position >> 2;
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1671 if (len == 0) return;
1672 context->part.d8[byte_position++] = *pOctets++;
1673 context->position++;
1675 } while (byte_position < 4);
1676 MIC_ACCUM(ntohl(context->part.d32));
1679 /* deal with full 32-bit words */
1681 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1682 context->position += 4;
1687 /* deal with partial 32-bit word that will be left over from this update */
1690 context->part.d8[byte_position++] = *pOctets++;
1691 context->position++;
1696 /* mask used to zero empty bytes for final partial word */
1697 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1699 /* calculate the mic */
1700 static void emmh32_final(emmh32_context *context, u8 digest[4])
1702 int coeff_position, byte_position;
1708 coeff_position = context->position >> 2;
1710 /* deal with partial 32-bit word left over from last update */
1711 byte_position = context->position & 3;
1712 if (byte_position) {
1713 /* have a partial word in part to deal with */
1714 val = ntohl(context->part.d32);
1715 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1718 /* reduce the accumulated u64 to a 32-bit MIC */
1719 sum = context->accum;
1720 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1721 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1722 sum = utmp & 0xffffffffLL;
1723 if (utmp > 0x10000000fLL)
1727 digest[0] = (val>>24) & 0xFF;
1728 digest[1] = (val>>16) & 0xFF;
1729 digest[2] = (val>>8) & 0xFF;
1730 digest[3] = val & 0xFF;
1733 static int readBSSListRid(struct airo_info *ai, int first,
1740 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1741 memset(&cmd, 0, sizeof(cmd));
1742 cmd.cmd=CMD_LISTBSS;
1743 if (down_interruptible(&ai->sem))
1744 return -ERESTARTSYS;
1745 ai->list_bss_task = current;
1746 issuecommand(ai, &cmd, &rsp);
1748 /* Let the command take effect */
1749 schedule_timeout_uninterruptible(3 * HZ);
1750 ai->list_bss_task = NULL;
1752 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1753 list, ai->bssListRidLen, 1);
1756 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1758 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1759 wkr, sizeof(*wkr), lock);
1762 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1765 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1767 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1769 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1771 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1776 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1778 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1781 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1783 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1786 static int readConfigRid(struct airo_info *ai, int lock)
1794 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1802 static inline void checkThrottle(struct airo_info *ai)
1805 /* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1815 static int writeConfigRid(struct airo_info *ai, int lock)
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1827 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1828 set_bit(FLAG_ADHOC, &ai->flags);
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1832 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1835 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1837 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1840 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1842 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1845 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1847 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1850 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1852 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1855 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1857 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1860 static void try_auto_wep(struct airo_info *ai)
1862 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1863 ai->expires = RUN_AT(3*HZ);
1864 wake_up_interruptible(&ai->thr_wait);
1868 static int airo_open(struct net_device *dev) {
1869 struct airo_info *ai = dev->ml_priv;
1872 if (test_bit(FLAG_FLASHING, &ai->flags))
1875 /* Make sure the card is configured.
1876 * Wireless Extensions may postpone config changes until the card
1877 * is open (to pipeline changes and speed-up card setup). If
1878 * those changes are not yet commited, do it now - Jean II */
1879 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1881 writeConfigRid(ai, 1);
1884 if (ai->wifidev != dev) {
1885 clear_bit(JOB_DIE, &ai->jobs);
1886 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1887 if (IS_ERR(ai->airo_thread_task))
1888 return (int)PTR_ERR(ai->airo_thread_task);
1890 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1893 airo_print_err(dev->name,
1894 "register interrupt %d failed, rc %d",
1896 set_bit(JOB_DIE, &ai->jobs);
1897 kthread_stop(ai->airo_thread_task);
1901 /* Power on the MAC controller (which may have been disabled) */
1902 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1903 enable_interrupts(ai);
1909 netif_start_queue(dev);
1913 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1914 int npacks, pending;
1915 unsigned long flags;
1916 struct airo_info *ai = dev->ml_priv;
1919 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1922 npacks = skb_queue_len (&ai->txq);
1924 if (npacks >= MAXTXQ - 1) {
1925 netif_stop_queue (dev);
1926 if (npacks > MAXTXQ) {
1927 dev->stats.tx_fifo_errors++;
1930 skb_queue_tail (&ai->txq, skb);
1934 spin_lock_irqsave(&ai->aux_lock, flags);
1935 skb_queue_tail (&ai->txq, skb);
1936 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1937 spin_unlock_irqrestore(&ai->aux_lock,flags);
1938 netif_wake_queue (dev);
1941 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1942 mpi_send_packet (dev);
1950 * Attempt to transmit a packet. Can be called from interrupt
1951 * or transmit . return number of packets we tried to send
1954 static int mpi_send_packet (struct net_device *dev)
1956 struct sk_buff *skb;
1957 unsigned char *buffer;
1960 struct airo_info *ai = dev->ml_priv;
1963 /* get a packet to send */
1965 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1966 airo_print_err(dev->name,
1967 "%s: Dequeue'd zero in send_packet()",
1972 /* check min length*/
1973 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1976 ai->txfids[0].tx_desc.offset = 0;
1977 ai->txfids[0].tx_desc.valid = 1;
1978 ai->txfids[0].tx_desc.eoc = 1;
1979 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1982 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1983 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1984 * is immediatly after it. ------------------------------------------------
1985 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1986 * ------------------------------------------------
1989 memcpy((char *)ai->txfids[0].virtual_host_addr,
1990 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1992 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1993 sizeof(wifictlhdr8023));
1994 sendbuf = ai->txfids[0].virtual_host_addr +
1995 sizeof(wifictlhdr8023) + 2 ;
1998 * Firmware automaticly puts 802 header on so
1999 * we don't need to account for it in the length
2001 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2002 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2005 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2008 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2009 ai->txfids[0].tx_desc.len += sizeof(pMic);
2010 /* copy data into airo dma buffer */
2011 memcpy (sendbuf, buffer, sizeof(etherHead));
2012 buffer += sizeof(etherHead);
2013 sendbuf += sizeof(etherHead);
2014 memcpy (sendbuf, &pMic, sizeof(pMic));
2015 sendbuf += sizeof(pMic);
2016 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2018 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2020 dev->trans_start = jiffies;
2022 /* copy data into airo dma buffer */
2023 memcpy(sendbuf, buffer, len);
2026 memcpy_toio(ai->txfids[0].card_ram_off,
2027 &ai->txfids[0].tx_desc, sizeof(TxFid));
2029 OUT4500(ai, EVACK, 8);
2031 dev_kfree_skb_any(skb);
2035 static void get_tx_error(struct airo_info *ai, s32 fid)
2040 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2042 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2044 bap_read(ai, &status, 2, BAP0);
2046 if (le16_to_cpu(status) & 2) /* Too many retries */
2047 ai->dev->stats.tx_aborted_errors++;
2048 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2049 ai->dev->stats.tx_heartbeat_errors++;
2050 if (le16_to_cpu(status) & 8) /* Aid fail */
2052 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2053 ai->dev->stats.tx_carrier_errors++;
2054 if (le16_to_cpu(status) & 0x20) /* Association lost */
2056 /* We produce a TXDROP event only for retry or lifetime
2057 * exceeded, because that's the only status that really mean
2058 * that this particular node went away.
2059 * Other errors means that *we* screwed up. - Jean II */
2060 if ((le16_to_cpu(status) & 2) ||
2061 (le16_to_cpu(status) & 4)) {
2062 union iwreq_data wrqu;
2065 /* Faster to skip over useless data than to do
2066 * another bap_setup(). We are at offset 0x6 and
2067 * need to go to 0x18 and read 6 bytes - Jean II */
2068 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2070 /* Copy 802.11 dest address.
2071 * We use the 802.11 header because the frame may
2072 * not be 802.3 or may be mangled...
2073 * In Ad-Hoc mode, it will be the node address.
2074 * In managed mode, it will be most likely the AP addr
2075 * User space will figure out how to convert it to
2076 * whatever it needs (IP address or else).
2078 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2079 wrqu.addr.sa_family = ARPHRD_ETHER;
2081 /* Send event to user space */
2082 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2086 static void airo_end_xmit(struct net_device *dev) {
2089 struct airo_info *priv = dev->ml_priv;
2090 struct sk_buff *skb = priv->xmit.skb;
2091 int fid = priv->xmit.fid;
2092 u32 *fids = priv->fids;
2094 clear_bit(JOB_XMIT, &priv->jobs);
2095 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2096 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2100 if ( status == SUCCESS ) {
2101 dev->trans_start = jiffies;
2102 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2104 priv->fids[fid] &= 0xffff;
2105 dev->stats.tx_window_errors++;
2107 if (i < MAX_FIDS / 2)
2108 netif_wake_queue(dev);
2112 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2115 struct airo_info *priv = dev->ml_priv;
2116 u32 *fids = priv->fids;
2118 if ( skb == NULL ) {
2119 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2123 /* Find a vacant FID */
2124 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2125 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2127 if ( j >= MAX_FIDS / 2 ) {
2128 netif_stop_queue(dev);
2130 if (i == MAX_FIDS / 2) {
2131 dev->stats.tx_fifo_errors++;
2135 /* check min length*/
2136 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2137 /* Mark fid as used & save length for later */
2138 fids[i] |= (len << 16);
2139 priv->xmit.skb = skb;
2141 if (down_trylock(&priv->sem) != 0) {
2142 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2143 netif_stop_queue(dev);
2144 set_bit(JOB_XMIT, &priv->jobs);
2145 wake_up_interruptible(&priv->thr_wait);
2151 static void airo_end_xmit11(struct net_device *dev) {
2154 struct airo_info *priv = dev->ml_priv;
2155 struct sk_buff *skb = priv->xmit11.skb;
2156 int fid = priv->xmit11.fid;
2157 u32 *fids = priv->fids;
2159 clear_bit(JOB_XMIT11, &priv->jobs);
2160 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2161 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2165 if ( status == SUCCESS ) {
2166 dev->trans_start = jiffies;
2167 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2169 priv->fids[fid] &= 0xffff;
2170 dev->stats.tx_window_errors++;
2173 netif_wake_queue(dev);
2177 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2180 struct airo_info *priv = dev->ml_priv;
2181 u32 *fids = priv->fids;
2183 if (test_bit(FLAG_MPI, &priv->flags)) {
2184 /* Not implemented yet for MPI350 */
2185 netif_stop_queue(dev);
2189 if ( skb == NULL ) {
2190 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2194 /* Find a vacant FID */
2195 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2198 if ( j >= MAX_FIDS ) {
2199 netif_stop_queue(dev);
2201 if (i == MAX_FIDS) {
2202 dev->stats.tx_fifo_errors++;
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit11.skb = skb;
2211 priv->xmit11.fid = i;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2214 netif_stop_queue(dev);
2215 set_bit(JOB_XMIT11, &priv->jobs);
2216 wake_up_interruptible(&priv->thr_wait);
2218 airo_end_xmit11(dev);
2222 static void airo_read_stats(struct net_device *dev)
2224 struct airo_info *ai = dev->ml_priv;
2226 __le32 *vals = stats_rid.vals;
2228 clear_bit(JOB_STATS, &ai->jobs);
2229 if (ai->power.event) {
2233 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2236 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2237 le32_to_cpu(vals[45]);
2238 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2239 le32_to_cpu(vals[41]);
2240 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2241 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2242 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2243 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2244 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2245 dev->stats.tx_fifo_errors;
2246 dev->stats.multicast = le32_to_cpu(vals[43]);
2247 dev->stats.collisions = le32_to_cpu(vals[89]);
2249 /* detailed rx_errors: */
2250 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2251 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2252 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2253 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2256 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2258 struct airo_info *local = dev->ml_priv;
2260 if (!test_bit(JOB_STATS, &local->jobs)) {
2261 /* Get stats out of the card if available */
2262 if (down_trylock(&local->sem) != 0) {
2263 set_bit(JOB_STATS, &local->jobs);
2264 wake_up_interruptible(&local->thr_wait);
2266 airo_read_stats(dev);
2272 static void airo_set_promisc(struct airo_info *ai) {
2276 memset(&cmd, 0, sizeof(cmd));
2277 cmd.cmd=CMD_SETMODE;
2278 clear_bit(JOB_PROMISC, &ai->jobs);
2279 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2280 issuecommand(ai, &cmd, &rsp);
2284 static void airo_set_multicast_list(struct net_device *dev) {
2285 struct airo_info *ai = dev->ml_priv;
2287 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2288 change_bit(FLAG_PROMISC, &ai->flags);
2289 if (down_trylock(&ai->sem) != 0) {
2290 set_bit(JOB_PROMISC, &ai->jobs);
2291 wake_up_interruptible(&ai->thr_wait);
2293 airo_set_promisc(ai);
2296 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2297 /* Turn on multicast. (Should be already setup...) */
2301 static int airo_set_mac_address(struct net_device *dev, void *p)
2303 struct airo_info *ai = dev->ml_priv;
2304 struct sockaddr *addr = p;
2306 readConfigRid(ai, 1);
2307 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2308 set_bit (FLAG_COMMIT, &ai->flags);
2310 writeConfigRid (ai, 1);
2312 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2314 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2318 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2320 if ((new_mtu < 68) || (new_mtu > 2400))
2326 static LIST_HEAD(airo_devices);
2328 static void add_airo_dev(struct airo_info *ai)
2330 /* Upper layers already keep track of PCI devices,
2331 * so we only need to remember our non-PCI cards. */
2333 list_add_tail(&ai->dev_list, &airo_devices);
2336 static void del_airo_dev(struct airo_info *ai)
2339 list_del(&ai->dev_list);
2342 static int airo_close(struct net_device *dev) {
2343 struct airo_info *ai = dev->ml_priv;
2345 netif_stop_queue(dev);
2347 if (ai->wifidev != dev) {
2348 #ifdef POWER_ON_DOWN
2349 /* Shut power to the card. The idea is that the user can save
2350 * power when he doesn't need the card with "ifconfig down".
2351 * That's the method that is most friendly towards the network
2352 * stack (i.e. the network stack won't try to broadcast
2353 * anything on the interface and routes are gone. Jean II */
2354 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2357 disable_interrupts( ai );
2359 free_irq(dev->irq, dev);
2361 set_bit(JOB_DIE, &ai->jobs);
2362 kthread_stop(ai->airo_thread_task);
2367 void stop_airo_card( struct net_device *dev, int freeres )
2369 struct airo_info *ai = dev->ml_priv;
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_interrupts(ai);
2374 takedown_proc_entry( dev, ai );
2375 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2376 unregister_netdev( dev );
2378 unregister_netdev(ai->wifidev);
2379 free_netdev(ai->wifidev);
2382 clear_bit(FLAG_REGISTERED, &ai->flags);
2385 * Clean out tx queue
2387 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2388 struct sk_buff *skb = NULL;
2389 for (;(skb = skb_dequeue(&ai->txq));)
2393 airo_networks_free (ai);
2400 /* PCMCIA frees this stuff, so only for PCI and ISA */
2401 release_region( dev->base_addr, 64 );
2402 if (test_bit(FLAG_MPI, &ai->flags)) {
2404 mpi_unmap_card(ai->pci);
2406 iounmap(ai->pcimem);
2408 iounmap(ai->pciaux);
2409 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2410 ai->shared, ai->shared_dma);
2413 crypto_free_cipher(ai->tfm);
2418 EXPORT_SYMBOL(stop_airo_card);
2420 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2422 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2426 static void mpi_unmap_card(struct pci_dev *pci)
2428 unsigned long mem_start = pci_resource_start(pci, 1);
2429 unsigned long mem_len = pci_resource_len(pci, 1);
2430 unsigned long aux_start = pci_resource_start(pci, 2);
2431 unsigned long aux_len = AUXMEMSIZE;
2433 release_mem_region(aux_start, aux_len);
2434 release_mem_region(mem_start, mem_len);
2437 /*************************************************************
2438 * This routine assumes that descriptors have been setup .
2439 * Run at insmod time or after reset when the decriptors
2440 * have been initialized . Returns 0 if all is well nz
2441 * otherwise . Does not allocate memory but sets up card
2442 * using previously allocated descriptors.
2444 static int mpi_init_descriptors (struct airo_info *ai)
2451 /* Alloc card RX descriptors */
2452 netif_stop_queue(ai->dev);
2454 memset(&rsp,0,sizeof(rsp));
2455 memset(&cmd,0,sizeof(cmd));
2457 cmd.cmd = CMD_ALLOCATEAUX;
2459 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2460 cmd.parm2 = MPI_MAX_FIDS;
2461 rc=issuecommand(ai, &cmd, &rsp);
2462 if (rc != SUCCESS) {
2463 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2467 for (i=0; i<MPI_MAX_FIDS; i++) {
2468 memcpy_toio(ai->rxfids[i].card_ram_off,
2469 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2472 /* Alloc card TX descriptors */
2474 memset(&rsp,0,sizeof(rsp));
2475 memset(&cmd,0,sizeof(cmd));
2477 cmd.cmd = CMD_ALLOCATEAUX;
2479 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2480 cmd.parm2 = MPI_MAX_FIDS;
2482 for (i=0; i<MPI_MAX_FIDS; i++) {
2483 ai->txfids[i].tx_desc.valid = 1;
2484 memcpy_toio(ai->txfids[i].card_ram_off,
2485 &ai->txfids[i].tx_desc, sizeof(TxFid));
2487 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2489 rc=issuecommand(ai, &cmd, &rsp);
2490 if (rc != SUCCESS) {
2491 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2495 /* Alloc card Rid descriptor */
2496 memset(&rsp,0,sizeof(rsp));
2497 memset(&cmd,0,sizeof(cmd));
2499 cmd.cmd = CMD_ALLOCATEAUX;
2501 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2502 cmd.parm2 = 1; /* Magic number... */
2503 rc=issuecommand(ai, &cmd, &rsp);
2504 if (rc != SUCCESS) {
2505 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2509 memcpy_toio(ai->config_desc.card_ram_off,
2510 &ai->config_desc.rid_desc, sizeof(Rid));
2516 * We are setting up three things here:
2517 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2518 * 2) Map PCI memory for issueing commands.
2519 * 3) Allocate memory (shared) to send and receive ethernet frames.
2521 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2523 unsigned long mem_start, mem_len, aux_start, aux_len;
2526 dma_addr_t busaddroff;
2527 unsigned char *vpackoff;
2528 unsigned char __iomem *pciaddroff;
2530 mem_start = pci_resource_start(pci, 1);
2531 mem_len = pci_resource_len(pci, 1);
2532 aux_start = pci_resource_start(pci, 2);
2533 aux_len = AUXMEMSIZE;
2535 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2536 airo_print_err("", "Couldn't get region %x[%x]",
2537 (int)mem_start, (int)mem_len);
2540 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2541 airo_print_err("", "Couldn't get region %x[%x]",
2542 (int)aux_start, (int)aux_len);
2546 ai->pcimem = ioremap(mem_start, mem_len);
2548 airo_print_err("", "Couldn't map region %x[%x]",
2549 (int)mem_start, (int)mem_len);
2552 ai->pciaux = ioremap(aux_start, aux_len);
2554 airo_print_err("", "Couldn't map region %x[%x]",
2555 (int)aux_start, (int)aux_len);
2559 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2560 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2562 airo_print_err("", "Couldn't alloc_consistent %d",
2568 * Setup descriptor RX, TX, CONFIG
2570 busaddroff = ai->shared_dma;
2571 pciaddroff = ai->pciaux + AUX_OFFSET;
2572 vpackoff = ai->shared;
2574 /* RX descriptor setup */
2575 for(i = 0; i < MPI_MAX_FIDS; i++) {
2576 ai->rxfids[i].pending = 0;
2577 ai->rxfids[i].card_ram_off = pciaddroff;
2578 ai->rxfids[i].virtual_host_addr = vpackoff;
2579 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2580 ai->rxfids[i].rx_desc.valid = 1;
2581 ai->rxfids[i].rx_desc.len = PKTSIZE;
2582 ai->rxfids[i].rx_desc.rdy = 0;
2584 pciaddroff += sizeof(RxFid);
2585 busaddroff += PKTSIZE;
2586 vpackoff += PKTSIZE;
2589 /* TX descriptor setup */
2590 for(i = 0; i < MPI_MAX_FIDS; i++) {
2591 ai->txfids[i].card_ram_off = pciaddroff;
2592 ai->txfids[i].virtual_host_addr = vpackoff;
2593 ai->txfids[i].tx_desc.valid = 1;
2594 ai->txfids[i].tx_desc.host_addr = busaddroff;
2595 memcpy(ai->txfids[i].virtual_host_addr,
2596 &wifictlhdr8023, sizeof(wifictlhdr8023));
2598 pciaddroff += sizeof(TxFid);
2599 busaddroff += PKTSIZE;
2600 vpackoff += PKTSIZE;
2602 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2604 /* Rid descriptor setup */
2605 ai->config_desc.card_ram_off = pciaddroff;
2606 ai->config_desc.virtual_host_addr = vpackoff;
2607 ai->config_desc.rid_desc.host_addr = busaddroff;
2608 ai->ridbus = busaddroff;
2609 ai->config_desc.rid_desc.rid = 0;
2610 ai->config_desc.rid_desc.len = RIDSIZE;
2611 ai->config_desc.rid_desc.valid = 1;
2612 pciaddroff += sizeof(Rid);
2613 busaddroff += RIDSIZE;
2614 vpackoff += RIDSIZE;
2616 /* Tell card about descriptors */
2617 if (mpi_init_descriptors (ai) != SUCCESS)
2622 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2624 iounmap(ai->pciaux);
2626 iounmap(ai->pcimem);
2628 release_mem_region(aux_start, aux_len);
2630 release_mem_region(mem_start, mem_len);
2635 static const struct header_ops airo_header_ops = {
2636 .parse = wll_header_parse,
2639 static void wifi_setup(struct net_device *dev)
2641 dev->header_ops = &airo_header_ops;
2642 dev->hard_start_xmit = &airo_start_xmit11;
2643 dev->get_stats = &airo_get_stats;
2644 dev->set_mac_address = &airo_set_mac_address;
2645 dev->do_ioctl = &airo_ioctl;
2646 dev->wireless_handlers = &airo_handler_def;
2647 dev->change_mtu = &airo_change_mtu;
2648 dev->open = &airo_open;
2649 dev->stop = &airo_close;
2651 dev->type = ARPHRD_IEEE80211;
2652 dev->hard_header_len = ETH_HLEN;
2653 dev->mtu = AIRO_DEF_MTU;
2654 dev->addr_len = ETH_ALEN;
2655 dev->tx_queue_len = 100;
2657 memset(dev->broadcast,0xFF, ETH_ALEN);
2659 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2662 static struct net_device *init_wifidev(struct airo_info *ai,
2663 struct net_device *ethdev)
2666 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2669 dev->ml_priv = ethdev->ml_priv;
2670 dev->irq = ethdev->irq;
2671 dev->base_addr = ethdev->base_addr;
2672 dev->wireless_data = ethdev->wireless_data;
2673 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2674 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2675 err = register_netdev(dev);
2683 static int reset_card( struct net_device *dev , int lock) {
2684 struct airo_info *ai = dev->ml_priv;
2686 if (lock && down_interruptible(&ai->sem))
2689 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2698 #define AIRO_MAX_NETWORK_COUNT 64
2699 static int airo_networks_allocate(struct airo_info *ai)
2705 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2707 if (!ai->networks) {
2708 airo_print_warn("", "Out of memory allocating beacons");
2715 static void airo_networks_free(struct airo_info *ai)
2717 kfree(ai->networks);
2718 ai->networks = NULL;
2721 static void airo_networks_initialize(struct airo_info *ai)
2725 INIT_LIST_HEAD(&ai->network_free_list);
2726 INIT_LIST_HEAD(&ai->network_list);
2727 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2728 list_add_tail(&ai->networks[i].list,
2729 &ai->network_free_list);
2732 static int airo_test_wpa_capable(struct airo_info *ai)
2735 CapabilityRid cap_rid;
2737 status = readCapabilityRid(ai, &cap_rid, 1);
2738 if (status != SUCCESS) return 0;
2740 /* Only firmware versions 5.30.17 or better can do WPA */
2741 if (le16_to_cpu(cap_rid.softVer) > 0x530
2742 || (le16_to_cpu(cap_rid.softVer) == 0x530
2743 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2744 airo_print_info("", "WPA is supported.");
2748 /* No WPA support */
2749 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2750 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2754 static struct net_device *_init_airo_card( unsigned short irq, int port,
2755 int is_pcmcia, struct pci_dev *pci,
2756 struct device *dmdev )
2758 struct net_device *dev;
2759 struct airo_info *ai;
2762 /* Create the network device object. */
2763 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2765 airo_print_err("", "Couldn't alloc_etherdev");
2769 ai = dev->ml_priv = netdev_priv(dev);
2771 ai->flags = 1 << FLAG_RADIO_DOWN;
2774 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2775 airo_print_dbg("", "Found an MPI350 card");
2776 set_bit(FLAG_MPI, &ai->flags);
2778 spin_lock_init(&ai->aux_lock);
2779 sema_init(&ai->sem, 1);
2782 init_waitqueue_head (&ai->thr_wait);
2786 if (airo_networks_allocate (ai))
2788 airo_networks_initialize (ai);
2790 /* The Airo-specific entries in the device structure. */
2791 if (test_bit(FLAG_MPI,&ai->flags)) {
2792 skb_queue_head_init (&ai->txq);
2793 dev->hard_start_xmit = &mpi_start_xmit;
2795 dev->hard_start_xmit = &airo_start_xmit;
2796 dev->get_stats = &airo_get_stats;
2797 dev->set_multicast_list = &airo_set_multicast_list;
2798 dev->set_mac_address = &airo_set_mac_address;
2799 dev->do_ioctl = &airo_ioctl;
2800 dev->wireless_handlers = &airo_handler_def;
2801 ai->wireless_data.spy_data = &ai->spy_data;
2802 dev->wireless_data = &ai->wireless_data;
2803 dev->change_mtu = &airo_change_mtu;
2804 dev->open = &airo_open;
2805 dev->stop = &airo_close;
2807 dev->base_addr = port;
2809 SET_NETDEV_DEV(dev, dmdev);
2811 reset_card (dev, 1);
2815 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2817 airo_print_err(dev->name, "Couldn't request region");
2822 if (test_bit(FLAG_MPI,&ai->flags)) {
2823 if (mpi_map_card(ai, pci)) {
2824 airo_print_err("", "Could not map memory");
2830 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2831 airo_print_err(dev->name, "MAC could not be enabled" );
2835 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2836 ai->bap_read = fast_bap_read;
2837 set_bit(FLAG_FLASHING, &ai->flags);
2840 /* Test for WPA support */
2841 if (airo_test_wpa_capable(ai)) {
2842 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2843 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2844 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2845 ai->bssListRidLen = sizeof(BSSListRid);
2847 ai->bssListFirst = RID_BSSLISTFIRST;
2848 ai->bssListNext = RID_BSSLISTNEXT;
2849 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2852 strcpy(dev->name, "eth%d");
2853 rc = register_netdev(dev);
2855 airo_print_err(dev->name, "Couldn't register_netdev");
2858 ai->wifidev = init_wifidev(ai, dev);
2862 set_bit(FLAG_REGISTERED,&ai->flags);
2863 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2865 /* Allocate the transmit buffers */
2866 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2867 for( i = 0; i < MAX_FIDS; i++ )
2868 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2870 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2876 unregister_netdev(ai->wifidev);
2877 free_netdev(ai->wifidev);
2879 unregister_netdev(dev);
2881 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2882 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2883 iounmap(ai->pciaux);
2884 iounmap(ai->pcimem);
2885 mpi_unmap_card(ai->pci);
2889 release_region( dev->base_addr, 64 );
2891 airo_networks_free(ai);
2898 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2899 struct device *dmdev)
2901 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2904 EXPORT_SYMBOL(init_airo_card);
2906 static int waitbusy (struct airo_info *ai) {
2908 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2910 if ((++delay % 20) == 0)
2911 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2913 return delay < 10000;
2916 int reset_airo_card( struct net_device *dev )
2919 struct airo_info *ai = dev->ml_priv;
2921 if (reset_card (dev, 1))
2924 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2925 airo_print_err(dev->name, "MAC could not be enabled");
2928 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2929 /* Allocate the transmit buffers if needed */
2930 if (!test_bit(FLAG_MPI,&ai->flags))
2931 for( i = 0; i < MAX_FIDS; i++ )
2932 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2934 enable_interrupts( ai );
2935 netif_wake_queue(dev);
2939 EXPORT_SYMBOL(reset_airo_card);
2941 static void airo_send_event(struct net_device *dev) {
2942 struct airo_info *ai = dev->ml_priv;
2943 union iwreq_data wrqu;
2944 StatusRid status_rid;
2946 clear_bit(JOB_EVENT, &ai->jobs);
2947 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2949 wrqu.data.length = 0;
2950 wrqu.data.flags = 0;
2951 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2952 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2954 /* Send event to user space */
2955 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2958 static void airo_process_scan_results (struct airo_info *ai) {
2959 union iwreq_data wrqu;
2962 BSSListElement * loop_net;
2963 BSSListElement * tmp_net;
2965 /* Blow away current list of scan results */
2966 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2967 list_move_tail (&loop_net->list, &ai->network_free_list);
2968 /* Don't blow away ->list, just BSS data */
2969 memset (loop_net, 0, sizeof (loop_net->bss));
2972 /* Try to read the first entry of the scan result */
2973 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2974 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2975 /* No scan results */
2979 /* Read and parse all entries */
2981 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2982 /* Grab a network off the free list */
2983 if (!list_empty(&ai->network_free_list)) {
2984 tmp_net = list_entry(ai->network_free_list.next,
2985 BSSListElement, list);
2986 list_del(ai->network_free_list.next);
2989 if (tmp_net != NULL) {
2990 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2991 list_add_tail(&tmp_net->list, &ai->network_list);
2995 /* Read next entry */
2996 rc = PC4500_readrid(ai, ai->bssListNext,
2997 &bss, ai->bssListRidLen, 0);
3001 ai->scan_timeout = 0;
3002 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3005 /* Send an empty event to user space.
3006 * We don't send the received data on
3007 * the event because it would require
3008 * us to do complex transcoding, and
3009 * we want to minimise the work done in
3010 * the irq handler. Use a request to
3011 * extract the data - Jean II */
3012 wrqu.data.length = 0;
3013 wrqu.data.flags = 0;
3014 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3017 static int airo_thread(void *data) {
3018 struct net_device *dev = data;
3019 struct airo_info *ai = dev->ml_priv;
3024 /* make swsusp happy with our thread */
3027 if (test_bit(JOB_DIE, &ai->jobs))
3031 locked = down_interruptible(&ai->sem);
3035 init_waitqueue_entry(&wait, current);
3036 add_wait_queue(&ai->thr_wait, &wait);
3038 set_current_state(TASK_INTERRUPTIBLE);
3041 if (ai->expires || ai->scan_timeout) {
3042 if (ai->scan_timeout &&
3043 time_after_eq(jiffies,ai->scan_timeout)){
3044 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 } else if (ai->expires &&
3047 time_after_eq(jiffies,ai->expires)){
3048 set_bit(JOB_AUTOWEP, &ai->jobs);
3051 if (!kthread_should_stop() &&
3052 !freezing(current)) {
3053 unsigned long wake_at;
3054 if (!ai->expires || !ai->scan_timeout) {
3055 wake_at = max(ai->expires,
3058 wake_at = min(ai->expires,
3061 schedule_timeout(wake_at - jiffies);
3064 } else if (!kthread_should_stop() &&
3065 !freezing(current)) {
3071 current->state = TASK_RUNNING;
3072 remove_wait_queue(&ai->thr_wait, &wait);
3079 if (test_bit(JOB_DIE, &ai->jobs)) {
3084 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3089 if (test_bit(JOB_XMIT, &ai->jobs))
3091 else if (test_bit(JOB_XMIT11, &ai->jobs))
3092 airo_end_xmit11(dev);
3093 else if (test_bit(JOB_STATS, &ai->jobs))
3094 airo_read_stats(dev);
3095 else if (test_bit(JOB_WSTATS, &ai->jobs))
3096 airo_read_wireless_stats(ai);
3097 else if (test_bit(JOB_PROMISC, &ai->jobs))
3098 airo_set_promisc(ai);
3099 else if (test_bit(JOB_MIC, &ai->jobs))
3101 else if (test_bit(JOB_EVENT, &ai->jobs))
3102 airo_send_event(dev);
3103 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3105 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3106 airo_process_scan_results(ai);
3107 else /* Shouldn't get here, but we make sure to unlock */
3114 static int header_len(__le16 ctl)
3116 u16 fc = le16_to_cpu(ctl);
3119 if ((fc & 0xe0) == 0xc0)
3120 return 10; /* one-address control packet */
3121 return 16; /* two-address control packet */
3123 if ((fc & 0x300) == 0x300)
3124 return 30; /* WDS packet */
3129 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3131 struct net_device *dev = dev_id;
3134 struct airo_info *apriv = dev->ml_priv;
3135 u16 savedInterrupts = 0;
3138 if (!netif_device_present(dev))
3142 status = IN4500( apriv, EVSTAT );
3143 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3147 if ( status & EV_AWAKE ) {
3148 OUT4500( apriv, EVACK, EV_AWAKE );
3149 OUT4500( apriv, EVACK, EV_AWAKE );
3152 if (!savedInterrupts) {
3153 savedInterrupts = IN4500( apriv, EVINTEN );
3154 OUT4500( apriv, EVINTEN, 0 );
3157 if ( status & EV_MIC ) {
3158 OUT4500( apriv, EVACK, EV_MIC );
3159 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3160 set_bit(JOB_MIC, &apriv->jobs);
3161 wake_up_interruptible(&apriv->thr_wait);
3164 if ( status & EV_LINK ) {
3165 union iwreq_data wrqu;
3166 int scan_forceloss = 0;
3167 /* The link status has changed, if you want to put a
3168 monitor hook in, do it here. (Remember that
3169 interrupts are still disabled!)
3171 u16 newStatus = IN4500(apriv, LINKSTAT);
3172 OUT4500( apriv, EVACK, EV_LINK);
3173 /* Here is what newStatus means: */
3174 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3175 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3176 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3177 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3178 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3179 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3180 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3181 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3183 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3185 #define ASSOCIATED 0x0400 /* Associated */
3186 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3187 #define RC_RESERVED 0 /* Reserved return code */
3188 #define RC_NOREASON 1 /* Unspecified reason */
3189 #define RC_AUTHINV 2 /* Previous authentication invalid */
3190 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3192 #define RC_NOACT 4 /* Disassociated due to inactivity */
3193 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3194 all currently associated stations */
3195 #define RC_BADCLASS2 6 /* Class 2 frame received from
3196 non-Authenticated station */
3197 #define RC_BADCLASS3 7 /* Class 3 frame received from
3198 non-Associated station */
3199 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3201 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3202 Authenticated with the responding station */
3203 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3205 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3208 if (apriv->list_bss_task)
3209 wake_up_process(apriv->list_bss_task);
3210 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3211 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3213 if (down_trylock(&apriv->sem) != 0) {
3214 set_bit(JOB_EVENT, &apriv->jobs);
3215 wake_up_interruptible(&apriv->thr_wait);
3217 airo_send_event(dev);
3218 } else if (!scan_forceloss) {
3219 if (auto_wep && !apriv->expires) {
3220 apriv->expires = RUN_AT(3*HZ);
3221 wake_up_interruptible(&apriv->thr_wait);
3224 /* Send event to user space */
3225 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3226 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3227 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3231 /* Check to see if there is something to receive */
3232 if ( status & EV_RX ) {
3233 struct sk_buff *skb = NULL;
3235 u16 len, hdrlen = 0;
3249 if (test_bit(FLAG_MPI,&apriv->flags)) {
3250 if (test_bit(FLAG_802_11, &apriv->flags))
3251 mpi_receive_802_11(apriv);
3253 mpi_receive_802_3(apriv);
3254 OUT4500(apriv, EVACK, EV_RX);
3258 fid = IN4500( apriv, RXFID );
3260 /* Get the packet length */
3261 if (test_bit(FLAG_802_11, &apriv->flags)) {
3262 bap_setup (apriv, fid, 4, BAP0);
3263 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3264 /* Bad CRC. Ignore packet */
3265 if (le16_to_cpu(hdr.status) & 2)
3267 if (apriv->wifidev == NULL)
3270 bap_setup (apriv, fid, 0x36, BAP0);
3271 bap_read (apriv, &hdr.len, 2, BAP0);
3273 len = le16_to_cpu(hdr.len);
3275 if (len > AIRO_DEF_MTU) {
3276 airo_print_err(apriv->dev->name, "Bad size %d", len);
3282 if (test_bit(FLAG_802_11, &apriv->flags)) {
3283 bap_read (apriv, &fc, sizeof(fc), BAP0);
3284 hdrlen = header_len(fc);
3286 hdrlen = ETH_ALEN * 2;
3288 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3290 dev->stats.rx_dropped++;
3293 skb_reserve(skb, 2); /* This way the IP header is aligned */
3294 buffer = (__le16*)skb_put (skb, len + hdrlen);
3295 if (test_bit(FLAG_802_11, &apriv->flags)) {
3297 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3299 bap_read (apriv, tmpbuf, 6, BAP0);
3301 bap_read (apriv, &v, sizeof(v), BAP0);
3302 gap = le16_to_cpu(v);
3305 bap_read (apriv, tmpbuf, gap, BAP0);
3307 airo_print_err(apriv->dev->name, "gaplen too "
3308 "big. Problems will follow...");
3311 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3314 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3315 if (apriv->micstats.enabled) {
3316 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3317 if (ntohs(micbuf.typelen) > 0x05DC)
3318 bap_setup (apriv, fid, 0x44, BAP0);
3320 if (len <= sizeof(micbuf))
3323 len -= sizeof(micbuf);
3324 skb_trim (skb, len + hdrlen);
3327 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3328 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3330 dev_kfree_skb_irq (skb);
3332 OUT4500( apriv, EVACK, EV_RX);
3337 if (apriv->spy_data.spy_number > 0) {
3339 struct iw_quality wstats;
3340 /* Prepare spy data : addr + qual */
3341 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3342 sa = (char*)buffer + 6;
3343 bap_setup (apriv, fid, 8, BAP0);
3344 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3346 sa = (char*)buffer + 10;
3347 wstats.qual = hdr.rssi[0];
3349 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3351 wstats.level = (hdr.rssi[1] + 321) / 2;
3352 wstats.noise = apriv->wstats.qual.noise;
3353 wstats.updated = IW_QUAL_LEVEL_UPDATED
3354 | IW_QUAL_QUAL_UPDATED
3356 /* Update spy records */
3357 wireless_spy_update(dev, sa, &wstats);
3359 #endif /* WIRELESS_SPY */
3360 OUT4500( apriv, EVACK, EV_RX);
3362 if (test_bit(FLAG_802_11, &apriv->flags)) {
3363 skb_reset_mac_header(skb);
3364 skb->pkt_type = PACKET_OTHERHOST;
3365 skb->dev = apriv->wifidev;
3366 skb->protocol = htons(ETH_P_802_2);
3368 skb->protocol = eth_type_trans(skb,dev);
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);
3601 if (rxd.valid == 0) {
3605 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3609 void mpi_receive_802_11 (struct airo_info *ai)
3612 struct sk_buff *skb = NULL;
3613 u16 len, hdrlen = 0;
3626 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3628 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3629 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3631 /* Bad CRC. Ignore packet */
3632 if (le16_to_cpu(hdr.status) & 2)
3634 if (ai->wifidev == NULL)
3636 len = le16_to_cpu(hdr.len);
3637 if (len > AIRO_DEF_MTU) {
3638 airo_print_err(ai->dev->name, "Bad size %d", len);
3644 fc = get_unaligned((__le16 *)ptr);
3645 hdrlen = header_len(fc);
3647 skb = dev_alloc_skb( len + hdrlen + 2 );
3649 ai->dev->stats.rx_dropped++;
3652 buffer = (u16*)skb_put (skb, len + hdrlen);
3653 memcpy ((char *)buffer, ptr, hdrlen);
3657 gap = get_unaligned_le16(ptr);
3658 ptr += sizeof(__le16);
3663 airo_print_err(ai->dev->name,
3664 "gaplen too big. Problems will follow...");
3666 memcpy ((char *)buffer + hdrlen, ptr, len);
3668 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3669 if (ai->spy_data.spy_number > 0) {
3671 struct iw_quality wstats;
3672 /* Prepare spy data : addr + qual */
3673 sa = (char*)buffer + 10;
3674 wstats.qual = hdr.rssi[0];
3676 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3678 wstats.level = (hdr.rssi[1] + 321) / 2;
3679 wstats.noise = ai->wstats.qual.noise;
3680 wstats.updated = IW_QUAL_QUAL_UPDATED
3681 | IW_QUAL_LEVEL_UPDATED
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3686 #endif /* IW_WIRELESS_SPY */
3687 skb_reset_mac_header(skb);
3688 skb->pkt_type = PACKET_OTHERHOST;
3689 skb->dev = ai->wifidev;
3690 skb->protocol = htons(ETH_P_802_2);
3691 skb->ip_summed = CHECKSUM_NONE;
3694 if (rxd.valid == 0) {
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3702 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3713 memset( &mySsid, 0, sizeof( mySsid ) );
3717 /* The NOP is the first step in getting the card going */
3719 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3720 if (lock && down_interruptible(&ai->sem))
3722 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3727 disable_MAC( ai, 0);
3729 // Let's figure out if we need to use the AUX port
3730 if (!test_bit(FLAG_MPI,&ai->flags)) {
3731 cmd.cmd = CMD_ENABLEAUX;
3732 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3735 airo_print_err(ai->dev->name, "Error checking for AUX port");
3738 if (!aux_bap || rsp.status & 0xff00) {
3739 ai->bap_read = fast_bap_read;
3740 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3742 ai->bap_read = aux_bap_read;
3743 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3748 if (ai->config.len == 0) {
3749 tdsRssiRid rssi_rid;
3750 CapabilityRid cap_rid;
3756 // general configuration (read/modify/write)
3757 status = readConfigRid(ai, lock);
3758 if ( status != SUCCESS ) return ERROR;
3760 status = readCapabilityRid(ai, &cap_rid, lock);
3761 if ( status != SUCCESS ) return ERROR;
3763 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3764 if ( status == SUCCESS ) {
3765 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3766 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3771 if (cap_rid.softCap & cpu_to_le16(8))
3772 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3774 airo_print_warn(ai->dev->name, "unknown received signal "
3777 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3778 ai->config.authType = AUTH_OPEN;
3779 ai->config.modulation = MOD_CCK;
3781 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3782 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3783 micsetup(ai) == SUCCESS) {
3784 ai->config.opmode |= MODE_MIC;
3785 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3788 /* Save off the MAC */
3789 for( i = 0; i < ETH_ALEN; i++ ) {
3790 mac[i] = ai->config.macAddr[i];
3793 /* Check to see if there are any insmod configured
3797 memset(ai->config.rates,0,sizeof(ai->config.rates));
3798 for( i = 0; i < 8 && rates[i]; i++ ) {
3799 ai->config.rates[i] = rates[i];
3802 if ( basic_rate > 0 ) {
3804 for( i = 0; i < 8; i++ ) {
3805 if ( ai->config.rates[i] == basic_rate ||
3806 !ai->config.rates ) {
3807 ai->config.rates[i] = basic_rate | 0x80;
3812 set_bit (FLAG_COMMIT, &ai->flags);
3815 /* Setup the SSIDs if present */
3818 for( i = 0; i < 3 && ssids[i]; i++ ) {
3819 size_t len = strlen(ssids[i]);
3822 mySsid.ssids[i].len = cpu_to_le16(len);
3823 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3825 mySsid.len = cpu_to_le16(sizeof(mySsid));
3828 status = writeConfigRid(ai, lock);
3829 if ( status != SUCCESS ) return ERROR;
3831 /* Set up the SSID list */
3833 status = writeSsidRid(ai, &mySsid, lock);
3834 if ( status != SUCCESS ) return ERROR;
3837 status = enable_MAC(ai, lock);
3838 if (status != SUCCESS)
3841 /* Grab the initial wep key, we gotta save it for auto_wep */
3842 rc = readWepKeyRid(ai, &wkr, 1, lock);
3843 if (rc == SUCCESS) do {
3844 lastindex = wkr.kindex;
3845 if (wkr.kindex == cpu_to_le16(0xffff)) {
3846 ai->defindex = wkr.mac[0];
3848 rc = readWepKeyRid(ai, &wkr, 0, lock);
3849 } while(lastindex != wkr.kindex);
3856 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3857 // Im really paranoid about letting it run forever!
3858 int max_tries = 600000;
3860 if (IN4500(ai, EVSTAT) & EV_CMD)
3861 OUT4500(ai, EVACK, EV_CMD);
3863 OUT4500(ai, PARAM0, pCmd->parm0);
3864 OUT4500(ai, PARAM1, pCmd->parm1);
3865 OUT4500(ai, PARAM2, pCmd->parm2);
3866 OUT4500(ai, COMMAND, pCmd->cmd);
3868 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3869 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3870 // PC4500 didn't notice command, try again
3871 OUT4500(ai, COMMAND, pCmd->cmd);
3872 if (!in_atomic() && (max_tries & 255) == 0)
3876 if ( max_tries == -1 ) {
3877 airo_print_err(ai->dev->name,
3878 "Max tries exceeded when issueing command");
3879 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3880 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3884 // command completed
3885 pRsp->status = IN4500(ai, STATUS);
3886 pRsp->rsp0 = IN4500(ai, RESP0);
3887 pRsp->rsp1 = IN4500(ai, RESP1);
3888 pRsp->rsp2 = IN4500(ai, RESP2);
3889 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3890 airo_print_err(ai->dev->name,
3891 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3892 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3895 // clear stuck command busy if necessary
3896 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3897 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3899 // acknowledge processing the status/response
3900 OUT4500(ai, EVACK, EV_CMD);
3905 /* Sets up the bap to start exchange data. whichbap should
3906 * be one of the BAP0 or BAP1 defines. Locks should be held before
3908 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3913 OUT4500(ai, SELECT0+whichbap, rid);
3914 OUT4500(ai, OFFSET0+whichbap, offset);
3916 int status = IN4500(ai, OFFSET0+whichbap);
3917 if (status & BAP_BUSY) {
3918 /* This isn't really a timeout, but its kinda
3923 } else if ( status & BAP_ERR ) {
3924 /* invalid rid or offset */
3925 airo_print_err(ai->dev->name, "BAP error %x %d",
3928 } else if (status & BAP_DONE) { // success
3931 if ( !(max_tries--) ) {
3932 airo_print_err(ai->dev->name,
3933 "BAP setup error too many retries\n");
3936 // -- PC4500 missed it, try again
3937 OUT4500(ai, SELECT0+whichbap, rid);
3938 OUT4500(ai, OFFSET0+whichbap, offset);
3943 /* should only be called by aux_bap_read. This aux function and the
3944 following use concepts not documented in the developers guide. I
3945 got them from a patch given to my by Aironet */
3946 static u16 aux_setup(struct airo_info *ai, u16 page,
3947 u16 offset, u16 *len)
3951 OUT4500(ai, AUXPAGE, page);
3952 OUT4500(ai, AUXOFF, 0);
3953 next = IN4500(ai, AUXDATA);
3954 *len = IN4500(ai, AUXDATA)&0xff;
3955 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3959 /* requires call to bap_setup() first */
3960 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3961 int bytelen, int whichbap)
3969 unsigned long flags;
3971 spin_lock_irqsave(&ai->aux_lock, flags);
3972 page = IN4500(ai, SWS0+whichbap);
3973 offset = IN4500(ai, SWS2+whichbap);
3974 next = aux_setup(ai, page, offset, &len);
3975 words = (bytelen+1)>>1;
3977 for (i=0; i<words;) {
3979 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3981 insw( ai->dev->base_addr+DATA0+whichbap,
3984 insb( ai->dev->base_addr+DATA0+whichbap,
3985 pu16Dst+i, count << 1 );
3988 next = aux_setup(ai, next, 4, &len);
3991 spin_unlock_irqrestore(&ai->aux_lock, flags);
3996 /* requires call to bap_setup() first */
3997 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3998 int bytelen, int whichbap)
4000 bytelen = (bytelen + 1) & (~1); // round up to even value
4002 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4004 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4008 /* requires call to bap_setup() first */
4009 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4010 int bytelen, int whichbap)
4012 bytelen = (bytelen + 1) & (~1); // round up to even value
4014 outsw( ai->dev->base_addr+DATA0+whichbap,
4015 pu16Src, bytelen>>1 );
4017 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4021 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4023 Cmd cmd; /* for issuing commands */
4024 Resp rsp; /* response from commands */
4027 memset(&cmd, 0, sizeof(cmd));
4030 status = issuecommand(ai, &cmd, &rsp);
4031 if (status != 0) return status;
4032 if ( (rsp.status & 0x7F00) != 0) {
4033 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4038 /* Note, that we are using BAP1 which is also used by transmit, so
4039 * we must get a lock. */
4040 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4046 if (down_interruptible(&ai->sem))
4049 if (test_bit(FLAG_MPI,&ai->flags)) {
4053 memset(&cmd, 0, sizeof(cmd));
4054 memset(&rsp, 0, sizeof(rsp));
4055 ai->config_desc.rid_desc.valid = 1;
4056 ai->config_desc.rid_desc.len = RIDSIZE;
4057 ai->config_desc.rid_desc.rid = 0;
4058 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4060 cmd.cmd = CMD_ACCESS;
4063 memcpy_toio(ai->config_desc.card_ram_off,
4064 &ai->config_desc.rid_desc, sizeof(Rid));
4066 rc = issuecommand(ai, &cmd, &rsp);
4068 if (rsp.status & 0x7f00)
4071 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4074 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4078 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4082 // read the rid length field
4083 bap_read(ai, pBuf, 2, BAP1);
4084 // length for remaining part of rid
4085 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4088 airo_print_err(ai->dev->name,
4089 "Rid %x has a length of %d which is too short",
4090 (int)rid, (int)len );
4094 // read remainder of the rid
4095 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4103 /* Note, that we are using BAP1 which is also used by transmit, so
4104 * make sure this isnt called when a transmit is happening */
4105 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4106 const void *pBuf, int len, int lock)
4111 *(__le16*)pBuf = cpu_to_le16((u16)len);
4114 if (down_interruptible(&ai->sem))
4117 if (test_bit(FLAG_MPI,&ai->flags)) {
4121 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4122 airo_print_err(ai->dev->name,
4123 "%s: MAC should be disabled (rid=%04x)",
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4128 ai->config_desc.rid_desc.valid = 1;
4129 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4130 ai->config_desc.rid_desc.rid = 0;
4132 cmd.cmd = CMD_WRITERID;
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4138 if (len < 4 || len > 2047) {
4139 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4142 memcpy((char *)ai->config_desc.virtual_host_addr,
4145 rc = issuecommand(ai, &cmd, &rsp);
4146 if ((rc & 0xff00) != 0) {
4147 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4149 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4153 if ((rsp.status & 0x7f00))
4157 // --- first access so that we can write the rid data
4158 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4162 // --- now write the rid data
4163 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4167 bap_write(ai, pBuf, len, BAP1);
4168 // ---now commit the rid data
4169 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4177 /* Allocates a FID to be used for transmitting packets. We only use
4179 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4181 unsigned int loop = 3000;
4187 cmd.cmd = CMD_ALLOCATETX;
4188 cmd.parm0 = lenPayload;
4189 if (down_interruptible(&ai->sem))
4191 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4195 if ( (rsp.status & 0xFF00) != 0) {
4199 /* wait for the allocate event/indication
4200 * It makes me kind of nervous that this can just sit here and spin,
4201 * but in practice it only loops like four times. */
4202 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4208 // get the allocated fid and acknowledge
4209 txFid = IN4500(ai, TXALLOCFID);
4210 OUT4500(ai, EVACK, EV_ALLOC);
4212 /* The CARD is pretty cool since it converts the ethernet packet
4213 * into 802.11. Also note that we don't release the FID since we
4214 * will be using the same one over and over again. */
4215 /* We only have to setup the control once since we are not
4216 * releasing the fid. */
4218 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4219 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4221 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4222 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4223 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4226 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4234 /* In general BAP1 is dedicated to transmiting packets. However,
4235 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4236 Make sure the BAP1 spinlock is held when this is called. */
4237 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4248 if (len <= ETH_ALEN * 2) {
4249 airo_print_warn(ai->dev->name, "Short packet %d", len);
4252 len -= ETH_ALEN * 2;
4254 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4255 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4256 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4258 miclen = sizeof(pMic);
4260 // packet is destination[6], source[6], payload[len-12]
4261 // write the payload length and dst/src/payload
4262 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4263 /* The hardware addresses aren't counted as part of the payload, so
4264 * we have to subtract the 12 bytes for the addresses off */
4265 payloadLen = cpu_to_le16(len + miclen);
4266 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4267 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4269 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4270 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4271 // issue the transmit command
4272 memset( &cmd, 0, sizeof( cmd ) );
4273 cmd.cmd = CMD_TRANSMIT;
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4276 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4280 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4282 __le16 fc, payloadLen;
4286 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4287 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4291 fc = *(__le16*)pPacket;
4292 hdrlen = header_len(fc);
4295 airo_print_warn(ai->dev->name, "Short packet %d", len);
4299 /* packet is 802.11 header + payload
4300 * write the payload length and dst/src/payload */
4301 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4302 /* The 802.11 header aren't counted as part of the payload, so
4303 * we have to subtract the header bytes off */
4304 payloadLen = cpu_to_le16(len-hdrlen);
4305 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4306 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4307 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4308 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4310 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4311 // issue the transmit command
4312 memset( &cmd, 0, sizeof( cmd ) );
4313 cmd.cmd = CMD_TRANSMIT;
4315 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4316 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4321 * This is the proc_fs routines. It is a bit messier than I would
4322 * like! Feel free to clean it up!
4325 static ssize_t proc_read( struct file *file,
4326 char __user *buffer,
4330 static ssize_t proc_write( struct file *file,
4331 const char __user *buffer,
4334 static int proc_close( struct inode *inode, struct file *file );
4336 static int proc_stats_open( struct inode *inode, struct file *file );
4337 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4338 static int proc_status_open( struct inode *inode, struct file *file );
4339 static int proc_SSID_open( struct inode *inode, struct file *file );
4340 static int proc_APList_open( struct inode *inode, struct file *file );
4341 static int proc_BSSList_open( struct inode *inode, struct file *file );
4342 static int proc_config_open( struct inode *inode, struct file *file );
4343 static int proc_wepkey_open( struct inode *inode, struct file *file );
4345 static const struct file_operations proc_statsdelta_ops = {
4346 .owner = THIS_MODULE,
4348 .open = proc_statsdelta_open,
4349 .release = proc_close
4352 static const struct file_operations proc_stats_ops = {
4353 .owner = THIS_MODULE,
4355 .open = proc_stats_open,
4356 .release = proc_close
4359 static const struct file_operations proc_status_ops = {
4360 .owner = THIS_MODULE,
4362 .open = proc_status_open,
4363 .release = proc_close
4366 static const struct file_operations proc_SSID_ops = {
4367 .owner = THIS_MODULE,
4369 .write = proc_write,
4370 .open = proc_SSID_open,
4371 .release = proc_close
4374 static const struct file_operations proc_BSSList_ops = {
4375 .owner = THIS_MODULE,
4377 .write = proc_write,
4378 .open = proc_BSSList_open,
4379 .release = proc_close
4382 static const struct file_operations proc_APList_ops = {
4383 .owner = THIS_MODULE,
4385 .write = proc_write,
4386 .open = proc_APList_open,
4387 .release = proc_close
4390 static const struct file_operations proc_config_ops = {
4391 .owner = THIS_MODULE,
4393 .write = proc_write,
4394 .open = proc_config_open,
4395 .release = proc_close
4398 static const struct file_operations proc_wepkey_ops = {
4399 .owner = THIS_MODULE,
4401 .write = proc_write,
4402 .open = proc_wepkey_open,
4403 .release = proc_close
4406 static struct proc_dir_entry *airo_entry;
4415 void (*on_close) (struct inode *, struct file *);
4418 static int setup_proc_entry( struct net_device *dev,
4419 struct airo_info *apriv ) {
4420 struct proc_dir_entry *entry;
4421 /* First setup the device directory */
4422 strcpy(apriv->proc_name,dev->name);
4423 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4426 if (!apriv->proc_entry)
4428 apriv->proc_entry->uid = proc_uid;
4429 apriv->proc_entry->gid = proc_gid;
4430 apriv->proc_entry->owner = THIS_MODULE;
4432 /* Setup the StatsDelta */
4433 entry = proc_create_data("StatsDelta",
4434 S_IFREG | (S_IRUGO&proc_perm),
4435 apriv->proc_entry, &proc_statsdelta_ops, dev);
4437 goto fail_stats_delta;
4438 entry->uid = proc_uid;
4439 entry->gid = proc_gid;
4441 /* Setup the Stats */
4442 entry = proc_create_data("Stats",
4443 S_IFREG | (S_IRUGO&proc_perm),
4444 apriv->proc_entry, &proc_stats_ops, dev);
4447 entry->uid = proc_uid;
4448 entry->gid = proc_gid;
4450 /* Setup the Status */
4451 entry = proc_create_data("Status",
4452 S_IFREG | (S_IRUGO&proc_perm),
4453 apriv->proc_entry, &proc_status_ops, dev);
4456 entry->uid = proc_uid;
4457 entry->gid = proc_gid;
4459 /* Setup the Config */
4460 entry = proc_create_data("Config",
4461 S_IFREG | proc_perm,
4462 apriv->proc_entry, &proc_config_ops, dev);
4465 entry->uid = proc_uid;
4466 entry->gid = proc_gid;
4468 /* Setup the SSID */
4469 entry = proc_create_data("SSID",
4470 S_IFREG | proc_perm,
4471 apriv->proc_entry, &proc_SSID_ops, dev);
4474 entry->uid = proc_uid;
4475 entry->gid = proc_gid;
4477 /* Setup the APList */
4478 entry = proc_create_data("APList",
4479 S_IFREG | proc_perm,
4480 apriv->proc_entry, &proc_APList_ops, dev);
4483 entry->uid = proc_uid;
4484 entry->gid = proc_gid;
4486 /* Setup the BSSList */
4487 entry = proc_create_data("BSSList",
4488 S_IFREG | proc_perm,
4489 apriv->proc_entry, &proc_BSSList_ops, dev);
4492 entry->uid = proc_uid;
4493 entry->gid = proc_gid;
4495 /* Setup the WepKey */
4496 entry = proc_create_data("WepKey",
4497 S_IFREG | proc_perm,
4498 apriv->proc_entry, &proc_wepkey_ops, dev);
4501 entry->uid = proc_uid;
4502 entry->gid = proc_gid;
4507 remove_proc_entry("BSSList", apriv->proc_entry);
4509 remove_proc_entry("APList", apriv->proc_entry);
4511 remove_proc_entry("SSID", apriv->proc_entry);
4513 remove_proc_entry("Config", apriv->proc_entry);
4515 remove_proc_entry("Status", apriv->proc_entry);
4517 remove_proc_entry("Stats", apriv->proc_entry);
4519 remove_proc_entry("StatsDelta", apriv->proc_entry);
4521 remove_proc_entry(apriv->proc_name, airo_entry);
4526 static int takedown_proc_entry( struct net_device *dev,
4527 struct airo_info *apriv ) {
4528 if ( !apriv->proc_entry->namelen ) return 0;
4529 remove_proc_entry("Stats",apriv->proc_entry);
4530 remove_proc_entry("StatsDelta",apriv->proc_entry);
4531 remove_proc_entry("Status",apriv->proc_entry);
4532 remove_proc_entry("Config",apriv->proc_entry);
4533 remove_proc_entry("SSID",apriv->proc_entry);
4534 remove_proc_entry("APList",apriv->proc_entry);
4535 remove_proc_entry("BSSList",apriv->proc_entry);
4536 remove_proc_entry("WepKey",apriv->proc_entry);
4537 remove_proc_entry(apriv->proc_name,airo_entry);
4542 * What we want from the proc_fs is to be able to efficiently read
4543 * and write the configuration. To do this, we want to read the
4544 * configuration when the file is opened and write it when the file is
4545 * closed. So basically we allocate a read buffer at open and fill it
4546 * with data, and allocate a write buffer and read it at close.
4550 * The read routine is generic, it relies on the preallocated rbuffer
4551 * to supply the data.
4553 static ssize_t proc_read( struct file *file,
4554 char __user *buffer,
4558 struct proc_data *priv = file->private_data;
4563 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4568 * The write routine is generic, it fills in a preallocated rbuffer
4569 * to supply the data.
4571 static ssize_t proc_write( struct file *file,
4572 const char __user *buffer,
4576 loff_t pos = *offset;
4577 struct proc_data *priv = (struct proc_data*)file->private_data;
4584 if (pos >= priv->maxwritelen)
4586 if (len > priv->maxwritelen - pos)
4587 len = priv->maxwritelen - pos;
4588 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4590 if ( pos + len > priv->writelen )
4591 priv->writelen = len + file->f_pos;
4592 *offset = pos + len;
4596 static int proc_status_open(struct inode *inode, struct file *file)
4598 struct proc_data *data;
4599 struct proc_dir_entry *dp = PDE(inode);
4600 struct net_device *dev = dp->data;
4601 struct airo_info *apriv = dev->ml_priv;
4602 CapabilityRid cap_rid;
4603 StatusRid status_rid;
4607 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4609 data = (struct proc_data *)file->private_data;
4610 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4611 kfree (file->private_data);
4615 readStatusRid(apriv, &status_rid, 1);
4616 readCapabilityRid(apriv, &cap_rid, 1);
4618 mode = le16_to_cpu(status_rid.mode);
4620 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4621 mode & 1 ? "CFG ": "",
4622 mode & 2 ? "ACT ": "",
4623 mode & 0x10 ? "SYN ": "",
4624 mode & 0x20 ? "LNK ": "",
4625 mode & 0x40 ? "LEAP ": "",
4626 mode & 0x80 ? "PRIV ": "",
4627 mode & 0x100 ? "KEY ": "",
4628 mode & 0x200 ? "WEP ": "",
4629 mode & 0x8000 ? "ERR ": "");
4630 sprintf( data->rbuffer+i, "Mode: %x\n"
4631 "Signal Strength: %d\n"
4632 "Signal Quality: %d\n"
4637 "Driver Version: %s\n"
4638 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4639 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4640 "Software Version: %x\nSoftware Subversion: %x\n"
4641 "Boot block version: %x\n",
4642 le16_to_cpu(status_rid.mode),
4643 le16_to_cpu(status_rid.normalizedSignalStrength),
4644 le16_to_cpu(status_rid.signalQuality),
4645 le16_to_cpu(status_rid.SSIDlen),
4648 le16_to_cpu(status_rid.channel),
4649 le16_to_cpu(status_rid.currentXmitRate) / 2,
4654 le16_to_cpu(cap_rid.radioType),
4655 le16_to_cpu(cap_rid.country),
4656 le16_to_cpu(cap_rid.hardVer),
4657 le16_to_cpu(cap_rid.softVer),
4658 le16_to_cpu(cap_rid.softSubVer),
4659 le16_to_cpu(cap_rid.bootBlockVer));
4660 data->readlen = strlen( data->rbuffer );
4664 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4665 static int proc_statsdelta_open( struct inode *inode,
4666 struct file *file ) {
4667 if (file->f_mode&FMODE_WRITE) {
4668 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4670 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4673 static int proc_stats_open( struct inode *inode, struct file *file ) {
4674 return proc_stats_rid_open(inode, file, RID_STATS);
4677 static int proc_stats_rid_open( struct inode *inode,
4681 struct proc_data *data;
4682 struct proc_dir_entry *dp = PDE(inode);
4683 struct net_device *dev = dp->data;
4684 struct airo_info *apriv = dev->ml_priv;
4687 __le32 *vals = stats.vals;
4688 int len = le16_to_cpu(stats.len);
4690 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4692 data = (struct proc_data *)file->private_data;
4693 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4694 kfree (file->private_data);
4698 readStatsRid(apriv, &stats, rid, 1);
4701 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4702 if (!statsLabels[i]) continue;
4703 if (j+strlen(statsLabels[i])+16>4096) {
4704 airo_print_warn(apriv->dev->name,
4705 "Potentially disasterous buffer overflow averted!");
4708 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4709 le32_to_cpu(vals[i]));
4712 airo_print_warn(apriv->dev->name, "Got a short rid");
4718 static int get_dec_u16( char *buffer, int *start, int limit ) {
4721 for( value = 0; buffer[*start] >= '0' &&
4722 buffer[*start] <= '9' &&
4723 *start < limit; (*start)++ ) {
4726 value += buffer[*start] - '0';
4728 if ( !valid ) return -1;
4732 static int airo_config_commit(struct net_device *dev,
4733 struct iw_request_info *info, void *zwrq,
4736 static inline int sniffing_mode(struct airo_info *ai)
4738 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4739 le16_to_cpu(RXMODE_RFMON);
4742 static void proc_config_on_close(struct inode *inode, struct file *file)
4744 struct proc_data *data = file->private_data;
4745 struct proc_dir_entry *dp = PDE(inode);
4746 struct net_device *dev = dp->data;
4747 struct airo_info *ai = dev->ml_priv;
4750 if ( !data->writelen ) return;
4752 readConfigRid(ai, 1);
4753 set_bit (FLAG_COMMIT, &ai->flags);
4755 line = data->wbuffer;
4757 /*** Mode processing */
4758 if ( !strncmp( line, "Mode: ", 6 ) ) {
4760 if (sniffing_mode(ai))
4761 set_bit (FLAG_RESET, &ai->flags);
4762 ai->config.rmode &= ~RXMODE_FULL_MASK;
4763 clear_bit (FLAG_802_11, &ai->flags);
4764 ai->config.opmode &= ~MODE_CFG_MASK;
4765 ai->config.scanMode = SCANMODE_ACTIVE;
4766 if ( line[0] == 'a' ) {
4767 ai->config.opmode |= MODE_STA_IBSS;
4769 ai->config.opmode |= MODE_STA_ESS;
4770 if ( line[0] == 'r' ) {
4771 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4772 ai->config.scanMode = SCANMODE_PASSIVE;
4773 set_bit (FLAG_802_11, &ai->flags);
4774 } else if ( line[0] == 'y' ) {
4775 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4776 ai->config.scanMode = SCANMODE_PASSIVE;
4777 set_bit (FLAG_802_11, &ai->flags);
4778 } else if ( line[0] == 'l' )
4779 ai->config.rmode |= RXMODE_LANMON;
4781 set_bit (FLAG_COMMIT, &ai->flags);
4784 /*** Radio status */
4785 else if (!strncmp(line,"Radio: ", 7)) {
4787 if (!strncmp(line,"off",3)) {
4788 set_bit (FLAG_RADIO_OFF, &ai->flags);
4790 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4793 /*** NodeName processing */
4794 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4798 memset( ai->config.nodeName, 0, 16 );
4799 /* Do the name, assume a space between the mode and node name */
4800 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4801 ai->config.nodeName[j] = line[j];
4803 set_bit (FLAG_COMMIT, &ai->flags);
4806 /*** PowerMode processing */
4807 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4809 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4810 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4811 set_bit (FLAG_COMMIT, &ai->flags);
4812 } else if ( !strncmp( line, "PSP", 3 ) ) {
4813 ai->config.powerSaveMode = POWERSAVE_PSP;
4814 set_bit (FLAG_COMMIT, &ai->flags);
4816 ai->config.powerSaveMode = POWERSAVE_CAM;
4817 set_bit (FLAG_COMMIT, &ai->flags);
4819 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4820 int v, i = 0, k = 0; /* i is index into line,
4821 k is index to rates */
4824 while((v = get_dec_u16(line, &i, 3))!=-1) {
4825 ai->config.rates[k++] = (u8)v;
4829 set_bit (FLAG_COMMIT, &ai->flags);
4830 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4833 v = get_dec_u16(line, &i, i+3);
4835 ai->config.channelSet = cpu_to_le16(v);
4836 set_bit (FLAG_COMMIT, &ai->flags);
4838 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4841 v = get_dec_u16(line, &i, i+3);
4843 ai->config.txPower = cpu_to_le16(v);
4844 set_bit (FLAG_COMMIT, &ai->flags);
4846 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4850 ai->config.authType = AUTH_SHAREDKEY;
4853 ai->config.authType = AUTH_ENCRYPT;
4856 ai->config.authType = AUTH_OPEN;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4864 v = get_dec_u16(line, &i, 3);
4865 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4866 ai->config.longRetryLimit = cpu_to_le16(v);
4867 set_bit (FLAG_COMMIT, &ai->flags);
4868 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4872 v = get_dec_u16(line, &i, 3);
4873 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4874 ai->config.shortRetryLimit = cpu_to_le16(v);
4875 set_bit (FLAG_COMMIT, &ai->flags);
4876 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4880 v = get_dec_u16(line, &i, 4);
4881 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4882 ai->config.rtsThres = cpu_to_le16(v);
4883 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4888 v = get_dec_u16(line, &i, 5);
4890 ai->config.txLifetime = cpu_to_le16(v);
4891 set_bit (FLAG_COMMIT, &ai->flags);
4892 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4896 v = get_dec_u16(line, &i, 5);
4898 ai->config.rxLifetime = cpu_to_le16(v);
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4901 ai->config.txDiversity =
4902 (line[13]=='l') ? 1 :
4903 ((line[13]=='r')? 2: 3);
4904 set_bit (FLAG_COMMIT, &ai->flags);
4905 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4906 ai->config.rxDiversity =
4907 (line[13]=='l') ? 1 :
4908 ((line[13]=='r')? 2: 3);
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4914 v = get_dec_u16(line, &i, 4);
4915 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4916 v = v & 0xfffe; /* Make sure its even */
4917 ai->config.fragThresh = cpu_to_le16(v);
4918 set_bit (FLAG_COMMIT, &ai->flags);
4919 } else if (!strncmp(line, "Modulation: ", 12)) {
4922 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4923 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4924 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4925 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4927 } else if (!strncmp(line, "Preamble: ", 10)) {
4930 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4931 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4932 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4933 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4936 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4938 while( line[0] && line[0] != '\n' ) line++;
4939 if ( line[0] ) line++;
4941 airo_config_commit(dev, NULL, NULL, NULL);
4944 static char *get_rmode(__le16 mode)
4946 switch(mode & RXMODE_MASK) {
4947 case RXMODE_RFMON: return "rfmon";
4948 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4949 case RXMODE_LANMON: return "lanmon";
4954 static int proc_config_open(struct inode *inode, struct file *file)
4956 struct proc_data *data;
4957 struct proc_dir_entry *dp = PDE(inode);
4958 struct net_device *dev = dp->data;
4959 struct airo_info *ai = dev->ml_priv;
4963 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4965 data = (struct proc_data *)file->private_data;
4966 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4967 kfree (file->private_data);
4970 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
4971 kfree (data->rbuffer);
4972 kfree (file->private_data);
4975 data->maxwritelen = 2048;
4976 data->on_close = proc_config_on_close;
4978 readConfigRid(ai, 1);
4980 mode = ai->config.opmode & MODE_CFG_MASK;
4981 i = sprintf( data->rbuffer,
4986 "DataRates: %d %d %d %d %d %d %d %d\n"
4989 mode == MODE_STA_IBSS ? "adhoc" :
4990 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
4991 mode == MODE_AP ? "AP" :
4992 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
4993 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4994 ai->config.nodeName,
4995 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
4996 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
4997 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
4999 (int)ai->config.rates[0],
5000 (int)ai->config.rates[1],
5001 (int)ai->config.rates[2],
5002 (int)ai->config.rates[3],
5003 (int)ai->config.rates[4],
5004 (int)ai->config.rates[5],
5005 (int)ai->config.rates[6],
5006 (int)ai->config.rates[7],
5007 le16_to_cpu(ai->config.channelSet),
5008 le16_to_cpu(ai->config.txPower)
5010 sprintf( data->rbuffer + i,
5011 "LongRetryLimit: %d\n"
5012 "ShortRetryLimit: %d\n"
5013 "RTSThreshold: %d\n"
5014 "TXMSDULifetime: %d\n"
5015 "RXMSDULifetime: %d\n"
5018 "FragThreshold: %d\n"
5022 le16_to_cpu(ai->config.longRetryLimit),
5023 le16_to_cpu(ai->config.shortRetryLimit),
5024 le16_to_cpu(ai->config.rtsThres),
5025 le16_to_cpu(ai->config.txLifetime),
5026 le16_to_cpu(ai->config.rxLifetime),
5027 ai->config.txDiversity == 1 ? "left" :
5028 ai->config.txDiversity == 2 ? "right" : "both",
5029 ai->config.rxDiversity == 1 ? "left" :
5030 ai->config.rxDiversity == 2 ? "right" : "both",
5031 le16_to_cpu(ai->config.fragThresh),
5032 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5033 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5034 ai->config.modulation == MOD_DEFAULT ? "default" :
5035 ai->config.modulation == MOD_CCK ? "cck" :
5036 ai->config.modulation == MOD_MOK ? "mok" : "error",
5037 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5038 ai->config.preamble == PREAMBLE_LONG ? "long" :
5039 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5041 data->readlen = strlen( data->rbuffer );
5045 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5047 struct proc_data *data = (struct proc_data *)file->private_data;
5048 struct proc_dir_entry *dp = PDE(inode);
5049 struct net_device *dev = dp->data;
5050 struct airo_info *ai = dev->ml_priv;
5053 char *p = data->wbuffer;
5054 char *end = p + data->writelen;
5056 if (!data->writelen)
5059 *end = '\n'; /* sentinel; we have space for it */
5061 memset(&SSID_rid, 0, sizeof(SSID_rid));
5063 for (i = 0; i < 3 && p < end; i++) {
5065 /* copy up to 32 characters from this line */
5066 while (*p != '\n' && j < 32)
5067 SSID_rid.ssids[i].ssid[j++] = *p++;
5070 SSID_rid.ssids[i].len = cpu_to_le16(j);
5071 /* skip to the beginning of the next line */
5072 while (*p++ != '\n')
5076 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5078 writeSsidRid(ai, &SSID_rid, 1);
5082 static inline u8 hexVal(char c) {
5083 if (c>='0' && c<='9') return c -= '0';
5084 if (c>='a' && c<='f') return c -= 'a'-10;
5085 if (c>='A' && c<='F') return c -= 'A'-10;
5089 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5090 struct proc_data *data = (struct proc_data *)file->private_data;
5091 struct proc_dir_entry *dp = PDE(inode);
5092 struct net_device *dev = dp->data;
5093 struct airo_info *ai = dev->ml_priv;
5094 APListRid APList_rid;
5097 if ( !data->writelen ) return;
5099 memset( &APList_rid, 0, sizeof(APList_rid) );
5100 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5102 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5104 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5107 APList_rid.ap[i][j/3]=
5108 hexVal(data->wbuffer[j+i*6*3])<<4;
5111 APList_rid.ap[i][j/3]|=
5112 hexVal(data->wbuffer[j+i*6*3]);
5118 writeAPListRid(ai, &APList_rid, 1);
5122 /* This function wraps PC4500_writerid with a MAC disable */
5123 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5124 int len, int dummy ) {
5128 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5133 /* Returns the length of the key at the index. If index == 0xffff
5134 * the index of the transmit key is returned. If the key doesn't exist,
5135 * -1 will be returned.
5137 static int get_wep_key(struct airo_info *ai, u16 index) {
5142 rc = readWepKeyRid(ai, &wkr, 1, 1);
5143 if (rc == SUCCESS) do {
5144 lastindex = wkr.kindex;
5145 if (wkr.kindex == cpu_to_le16(index)) {
5146 if (index == 0xffff) {
5149 return le16_to_cpu(wkr.klen);
5151 readWepKeyRid(ai, &wkr, 0, 1);
5152 } while (lastindex != wkr.kindex);
5156 static int set_wep_key(struct airo_info *ai, u16 index,
5157 const char *key, u16 keylen, int perm, int lock )
5159 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5162 memset(&wkr, 0, sizeof(wkr));
5164 // We are selecting which key to use
5165 wkr.len = cpu_to_le16(sizeof(wkr));
5166 wkr.kindex = cpu_to_le16(0xffff);
5167 wkr.mac[0] = (char)index;
5168 if (perm) ai->defindex = (char)index;
5170 // We are actually setting the key
5171 wkr.len = cpu_to_le16(sizeof(wkr));
5172 wkr.kindex = cpu_to_le16(index);
5173 wkr.klen = cpu_to_le16(keylen);
5174 memcpy( wkr.key, key, keylen );
5175 memcpy( wkr.mac, macaddr, ETH_ALEN );
5178 if (perm) disable_MAC(ai, lock);
5179 writeWepKeyRid(ai, &wkr, perm, lock);
5180 if (perm) enable_MAC(ai, lock);
5184 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5185 struct proc_data *data;
5186 struct proc_dir_entry *dp = PDE(inode);
5187 struct net_device *dev = dp->data;
5188 struct airo_info *ai = dev->ml_priv;
5194 memset(key, 0, sizeof(key));
5196 data = (struct proc_data *)file->private_data;
5197 if ( !data->writelen ) return;
5199 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5200 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5201 index = data->wbuffer[0] - '0';
5202 if (data->wbuffer[1] == '\n') {
5203 set_wep_key(ai, index, NULL, 0, 1, 1);
5208 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5212 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5215 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5218 key[i/3] |= hexVal(data->wbuffer[i+j]);
5222 set_wep_key(ai, index, key, i/3, 1, 1);
5225 static int proc_wepkey_open( struct inode *inode, struct file *file )
5227 struct proc_data *data;
5228 struct proc_dir_entry *dp = PDE(inode);
5229 struct net_device *dev = dp->data;
5230 struct airo_info *ai = dev->ml_priv;
5237 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5239 memset(&wkr, 0, sizeof(wkr));
5240 data = (struct proc_data *)file->private_data;
5241 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5242 kfree (file->private_data);
5246 data->maxwritelen = 80;
5247 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5248 kfree (data->rbuffer);
5249 kfree (file->private_data);
5252 data->on_close = proc_wepkey_on_close;
5254 ptr = data->rbuffer;
5255 strcpy(ptr, "No wep keys\n");
5256 rc = readWepKeyRid(ai, &wkr, 1, 1);
5257 if (rc == SUCCESS) do {
5258 lastindex = wkr.kindex;
5259 if (wkr.kindex == cpu_to_le16(0xffff)) {
5260 j += sprintf(ptr+j, "Tx key = %d\n",
5263 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5264 le16_to_cpu(wkr.kindex),
5265 le16_to_cpu(wkr.klen));
5267 readWepKeyRid(ai, &wkr, 0, 1);
5268 } while((lastindex != wkr.kindex) && (j < 180-30));
5270 data->readlen = strlen( data->rbuffer );
5274 static int proc_SSID_open(struct inode *inode, struct file *file)
5276 struct proc_data *data;
5277 struct proc_dir_entry *dp = PDE(inode);
5278 struct net_device *dev = dp->data;
5279 struct airo_info *ai = dev->ml_priv;
5284 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5286 data = (struct proc_data *)file->private_data;
5287 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5288 kfree (file->private_data);
5292 data->maxwritelen = 33*3;
5293 /* allocate maxwritelen + 1; we'll want a sentinel */
5294 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5295 kfree (data->rbuffer);
5296 kfree (file->private_data);
5299 data->on_close = proc_SSID_on_close;
5301 readSsidRid(ai, &SSID_rid);
5302 ptr = data->rbuffer;
5303 for (i = 0; i < 3; i++) {
5305 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5310 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5311 *ptr++ = SSID_rid.ssids[i].ssid[j];
5315 data->readlen = strlen( data->rbuffer );
5319 static int proc_APList_open( struct inode *inode, struct file *file ) {
5320 struct proc_data *data;
5321 struct proc_dir_entry *dp = PDE(inode);
5322 struct net_device *dev = dp->data;
5323 struct airo_info *ai = dev->ml_priv;
5326 APListRid APList_rid;
5328 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5330 data = (struct proc_data *)file->private_data;
5331 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5332 kfree (file->private_data);
5336 data->maxwritelen = 4*6*3;
5337 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5338 kfree (data->rbuffer);
5339 kfree (file->private_data);
5342 data->on_close = proc_APList_on_close;
5344 readAPListRid(ai, &APList_rid);
5345 ptr = data->rbuffer;
5346 for( i = 0; i < 4; i++ ) {
5347 // We end when we find a zero MAC
5348 if ( !*(int*)APList_rid.ap[i] &&
5349 !*(int*)&APList_rid.ap[i][2]) break;
5350 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5352 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5355 data->readlen = strlen( data->rbuffer );
5359 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5360 struct proc_data *data;
5361 struct proc_dir_entry *dp = PDE(inode);
5362 struct net_device *dev = dp->data;
5363 struct airo_info *ai = dev->ml_priv;
5365 BSSListRid BSSList_rid;
5367 /* If doLoseSync is not 1, we won't do a Lose Sync */
5368 int doLoseSync = -1;
5370 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5372 data = (struct proc_data *)file->private_data;
5373 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5374 kfree (file->private_data);
5378 data->maxwritelen = 0;
5379 data->wbuffer = NULL;
5380 data->on_close = NULL;
5382 if (file->f_mode & FMODE_WRITE) {
5383 if (!(file->f_mode & FMODE_READ)) {
5387 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5388 memset(&cmd, 0, sizeof(cmd));
5389 cmd.cmd=CMD_LISTBSS;
5390 if (down_interruptible(&ai->sem))
5391 return -ERESTARTSYS;
5392 issuecommand(ai, &cmd, &rsp);
5399 ptr = data->rbuffer;
5400 /* There is a race condition here if there are concurrent opens.
5401 Since it is a rare condition, we'll just live with it, otherwise
5402 we have to add a spin lock... */
5403 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5404 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5405 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5407 (int)BSSList_rid.ssidLen,
5409 le16_to_cpu(BSSList_rid.dBm));
5410 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5411 le16_to_cpu(BSSList_rid.dsChannel),
5412 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5413 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5414 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5415 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5416 rc = readBSSListRid(ai, 0, &BSSList_rid);
5419 data->readlen = strlen( data->rbuffer );
5423 static int proc_close( struct inode *inode, struct file *file )
5425 struct proc_data *data = file->private_data;
5427 if (data->on_close != NULL)
5428 data->on_close(inode, file);
5429 kfree(data->rbuffer);
5430 kfree(data->wbuffer);
5435 /* Since the card doesn't automatically switch to the right WEP mode,
5436 we will make it do it. If the card isn't associated, every secs we
5437 will switch WEP modes to see if that will help. If the card is
5438 associated we will check every minute to see if anything has
5440 static void timer_func( struct net_device *dev ) {
5441 struct airo_info *apriv = dev->ml_priv;
5443 /* We don't have a link so try changing the authtype */
5444 readConfigRid(apriv, 0);
5445 disable_MAC(apriv, 0);
5446 switch(apriv->config.authType) {
5448 /* So drop to OPEN */
5449 apriv->config.authType = AUTH_OPEN;
5451 case AUTH_SHAREDKEY:
5452 if (apriv->keyindex < auto_wep) {
5453 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5454 apriv->config.authType = AUTH_SHAREDKEY;
5457 /* Drop to ENCRYPT */
5458 apriv->keyindex = 0;
5459 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5460 apriv->config.authType = AUTH_ENCRYPT;
5463 default: /* We'll escalate to SHAREDKEY */
5464 apriv->config.authType = AUTH_SHAREDKEY;
5466 set_bit (FLAG_COMMIT, &apriv->flags);
5467 writeConfigRid(apriv, 0);
5468 enable_MAC(apriv, 0);
5471 /* Schedule check to see if the change worked */
5472 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5473 apriv->expires = RUN_AT(HZ*3);
5477 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5478 const struct pci_device_id *pent)
5480 struct net_device *dev;
5482 if (pci_enable_device(pdev))
5484 pci_set_master(pdev);
5486 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5487 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5489 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5491 pci_disable_device(pdev);
5495 pci_set_drvdata(pdev, dev);
5499 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5501 struct net_device *dev = pci_get_drvdata(pdev);
5503 airo_print_info(dev->name, "Unregistering...");
5504 stop_airo_card(dev, 1);
5505 pci_disable_device(pdev);
5506 pci_set_drvdata(pdev, NULL);
5509 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5511 struct net_device *dev = pci_get_drvdata(pdev);
5512 struct airo_info *ai = dev->ml_priv;
5517 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5521 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5524 readAPListRid(ai, ai->APList);
5525 readSsidRid(ai, ai->SSID);
5526 memset(&cmd, 0, sizeof(cmd));
5527 /* the lock will be released at the end of the resume callback */
5528 if (down_interruptible(&ai->sem))
5531 netif_device_detach(dev);
5533 cmd.cmd = HOSTSLEEP;
5534 issuecommand(ai, &cmd, &rsp);
5536 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5537 pci_save_state(pdev);
5538 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5541 static int airo_pci_resume(struct pci_dev *pdev)
5543 struct net_device *dev = pci_get_drvdata(pdev);
5544 struct airo_info *ai = dev->ml_priv;
5545 pci_power_t prev_state = pdev->current_state;
5547 pci_set_power_state(pdev, PCI_D0);
5548 pci_restore_state(pdev);
5549 pci_enable_wake(pdev, PCI_D0, 0);
5551 if (prev_state != PCI_D1) {
5553 mpi_init_descriptors(ai);
5554 setup_card(ai, dev->dev_addr, 0);
5555 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5556 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5558 OUT4500(ai, EVACK, EV_AWAKEN);
5559 OUT4500(ai, EVACK, EV_AWAKEN);
5563 set_bit(FLAG_COMMIT, &ai->flags);
5567 writeSsidRid(ai, ai->SSID, 0);
5572 writeAPListRid(ai, ai->APList, 0);
5576 writeConfigRid(ai, 0);
5578 ai->power = PMSG_ON;
5579 netif_device_attach(dev);
5580 netif_wake_queue(dev);
5581 enable_interrupts(ai);
5587 static int __init airo_init_module( void )
5591 airo_entry = create_proc_entry("driver/aironet",
5592 S_IFDIR | airo_perm,
5596 airo_entry->uid = proc_uid;
5597 airo_entry->gid = proc_gid;
5600 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5601 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5602 "io=0x%x", irq[i], io[i] );
5603 if (init_airo_card( irq[i], io[i], 0, NULL ))
5608 airo_print_info("", "Probing for PCI adapters");
5609 i = pci_register_driver(&airo_driver);
5610 airo_print_info("", "Finished probing for PCI adapters");
5613 remove_proc_entry("driver/aironet", NULL);
5618 /* Always exit with success, as we are a library module
5619 * as well as a driver module
5624 static void __exit airo_cleanup_module( void )
5626 struct airo_info *ai;
5627 while(!list_empty(&airo_devices)) {
5628 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5629 airo_print_info(ai->dev->name, "Unregistering...");
5630 stop_airo_card(ai->dev, 1);
5633 pci_unregister_driver(&airo_driver);
5635 remove_proc_entry("driver/aironet", NULL);
5639 * Initial Wireless Extension code for Aironet driver by :
5640 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5641 * Conversion to new driver API by :
5642 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5643 * Javier also did a good amount of work here, adding some new extensions
5644 * and fixing my code. Let's just say that without him this code just
5645 * would not work at all... - Jean II
5648 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5653 return (0x100 - rssi_rid[rssi].rssidBm);
5656 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5663 for (i = 0; i < 256; i++)
5664 if (rssi_rid[i].rssidBm == dbm)
5665 return rssi_rid[i].rssipct;
5671 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5676 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5679 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5682 sq = le16_to_cpu(status_rid->signalQuality);
5683 if (memcmp(cap_rid->prodName, "350", 3))
5687 quality = 0x20 - sq;
5694 quality = 0xb0 - sq;
5698 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5699 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5701 /*------------------------------------------------------------------*/
5703 * Wireless Handler : get protocol name
5705 static int airo_get_name(struct net_device *dev,
5706 struct iw_request_info *info,
5710 strcpy(cwrq, "IEEE 802.11-DS");
5714 /*------------------------------------------------------------------*/
5716 * Wireless Handler : set frequency
5718 static int airo_set_freq(struct net_device *dev,
5719 struct iw_request_info *info,
5720 struct iw_freq *fwrq,
5723 struct airo_info *local = dev->ml_priv;
5724 int rc = -EINPROGRESS; /* Call commit handler */
5726 /* If setting by frequency, convert to a channel */
5727 if((fwrq->e == 1) &&
5728 (fwrq->m >= (int) 2.412e8) &&
5729 (fwrq->m <= (int) 2.487e8)) {
5730 int f = fwrq->m / 100000;
5732 while((c < 14) && (f != frequency_list[c]))
5734 /* Hack to fall through... */
5738 /* Setting by channel number */
5739 if((fwrq->m > 1000) || (fwrq->e > 0))
5742 int channel = fwrq->m;
5743 /* We should do a better check than that,
5744 * based on the card capability !!! */
5745 if((channel < 1) || (channel > 14)) {
5746 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5750 readConfigRid(local, 1);
5751 /* Yes ! We can set it !!! */
5752 local->config.channelSet = cpu_to_le16(channel);
5753 set_bit (FLAG_COMMIT, &local->flags);
5759 /*------------------------------------------------------------------*/
5761 * Wireless Handler : get frequency
5763 static int airo_get_freq(struct net_device *dev,
5764 struct iw_request_info *info,
5765 struct iw_freq *fwrq,
5768 struct airo_info *local = dev->ml_priv;
5769 StatusRid status_rid; /* Card status info */
5772 readConfigRid(local, 1);
5773 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5774 status_rid.channel = local->config.channelSet;
5776 readStatusRid(local, &status_rid, 1);
5778 ch = le16_to_cpu(status_rid.channel);
5779 if((ch > 0) && (ch < 15)) {
5780 fwrq->m = frequency_list[ch - 1] * 100000;
5790 /*------------------------------------------------------------------*/
5792 * Wireless Handler : set ESSID
5794 static int airo_set_essid(struct net_device *dev,
5795 struct iw_request_info *info,
5796 struct iw_point *dwrq,
5799 struct airo_info *local = dev->ml_priv;
5800 SsidRid SSID_rid; /* SSIDs */
5802 /* Reload the list of current SSID */
5803 readSsidRid(local, &SSID_rid);
5805 /* Check if we asked for `any' */
5806 if(dwrq->flags == 0) {
5807 /* Just send an empty SSID list */
5808 memset(&SSID_rid, 0, sizeof(SSID_rid));
5810 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5812 /* Check the size of the string */
5813 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5816 /* Check if index is valid */
5817 if((index < 0) || (index >= 4)) {
5822 memset(SSID_rid.ssids[index].ssid, 0,
5823 sizeof(SSID_rid.ssids[index].ssid));
5824 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5825 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5827 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5828 /* Write it to the card */
5829 disable_MAC(local, 1);
5830 writeSsidRid(local, &SSID_rid, 1);
5831 enable_MAC(local, 1);
5836 /*------------------------------------------------------------------*/
5838 * Wireless Handler : get ESSID
5840 static int airo_get_essid(struct net_device *dev,
5841 struct iw_request_info *info,
5842 struct iw_point *dwrq,
5845 struct airo_info *local = dev->ml_priv;
5846 StatusRid status_rid; /* Card status info */
5848 readStatusRid(local, &status_rid, 1);
5850 /* Note : if dwrq->flags != 0, we should
5851 * get the relevant SSID from the SSID list... */
5853 /* Get the current SSID */
5854 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5855 /* If none, we may want to get the one that was set */
5858 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5859 dwrq->flags = 1; /* active */
5864 /*------------------------------------------------------------------*/
5866 * Wireless Handler : set AP address
5868 static int airo_set_wap(struct net_device *dev,
5869 struct iw_request_info *info,
5870 struct sockaddr *awrq,
5873 struct airo_info *local = dev->ml_priv;
5876 APListRid APList_rid;
5877 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5878 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5880 if (awrq->sa_family != ARPHRD_ETHER)
5882 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5883 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5884 memset(&cmd, 0, sizeof(cmd));
5885 cmd.cmd=CMD_LOSE_SYNC;
5886 if (down_interruptible(&local->sem))
5887 return -ERESTARTSYS;
5888 issuecommand(local, &cmd, &rsp);
5891 memset(&APList_rid, 0, sizeof(APList_rid));
5892 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5893 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5894 disable_MAC(local, 1);
5895 writeAPListRid(local, &APList_rid, 1);
5896 enable_MAC(local, 1);
5901 /*------------------------------------------------------------------*/
5903 * Wireless Handler : get AP address
5905 static int airo_get_wap(struct net_device *dev,
5906 struct iw_request_info *info,
5907 struct sockaddr *awrq,
5910 struct airo_info *local = dev->ml_priv;
5911 StatusRid status_rid; /* Card status info */
5913 readStatusRid(local, &status_rid, 1);
5915 /* Tentative. This seems to work, wow, I'm lucky !!! */
5916 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5917 awrq->sa_family = ARPHRD_ETHER;
5922 /*------------------------------------------------------------------*/
5924 * Wireless Handler : set Nickname
5926 static int airo_set_nick(struct net_device *dev,
5927 struct iw_request_info *info,
5928 struct iw_point *dwrq,
5931 struct airo_info *local = dev->ml_priv;
5933 /* Check the size of the string */
5934 if(dwrq->length > 16) {
5937 readConfigRid(local, 1);
5938 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5939 memcpy(local->config.nodeName, extra, dwrq->length);
5940 set_bit (FLAG_COMMIT, &local->flags);
5942 return -EINPROGRESS; /* Call commit handler */
5945 /*------------------------------------------------------------------*/
5947 * Wireless Handler : get Nickname
5949 static int airo_get_nick(struct net_device *dev,
5950 struct iw_request_info *info,
5951 struct iw_point *dwrq,
5954 struct airo_info *local = dev->ml_priv;
5956 readConfigRid(local, 1);
5957 strncpy(extra, local->config.nodeName, 16);
5959 dwrq->length = strlen(extra);
5964 /*------------------------------------------------------------------*/
5966 * Wireless Handler : set Bit-Rate
5968 static int airo_set_rate(struct net_device *dev,
5969 struct iw_request_info *info,
5970 struct iw_param *vwrq,
5973 struct airo_info *local = dev->ml_priv;
5974 CapabilityRid cap_rid; /* Card capability info */
5978 /* First : get a valid bit rate value */
5979 readCapabilityRid(local, &cap_rid, 1);
5981 /* Which type of value ? */
5982 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5983 /* Setting by rate index */
5984 /* Find value in the magic rate table */
5985 brate = cap_rid.supportedRates[vwrq->value];
5987 /* Setting by frequency value */
5988 u8 normvalue = (u8) (vwrq->value/500000);
5990 /* Check if rate is valid */
5991 for(i = 0 ; i < 8 ; i++) {
5992 if(normvalue == cap_rid.supportedRates[i]) {
5998 /* -1 designed the max rate (mostly auto mode) */
5999 if(vwrq->value == -1) {
6000 /* Get the highest available rate */
6001 for(i = 0 ; i < 8 ; i++) {
6002 if(cap_rid.supportedRates[i] == 0)
6006 brate = cap_rid.supportedRates[i - 1];
6008 /* Check that it is valid */
6013 readConfigRid(local, 1);
6014 /* Now, check if we want a fixed or auto value */
6015 if(vwrq->fixed == 0) {
6016 /* Fill all the rates up to this max rate */
6017 memset(local->config.rates, 0, 8);
6018 for(i = 0 ; i < 8 ; i++) {
6019 local->config.rates[i] = cap_rid.supportedRates[i];
6020 if(local->config.rates[i] == brate)
6025 /* One rate, fixed */
6026 memset(local->config.rates, 0, 8);
6027 local->config.rates[0] = brate;
6029 set_bit (FLAG_COMMIT, &local->flags);
6031 return -EINPROGRESS; /* Call commit handler */
6034 /*------------------------------------------------------------------*/
6036 * Wireless Handler : get Bit-Rate
6038 static int airo_get_rate(struct net_device *dev,
6039 struct iw_request_info *info,
6040 struct iw_param *vwrq,
6043 struct airo_info *local = dev->ml_priv;
6044 StatusRid status_rid; /* Card status info */
6046 readStatusRid(local, &status_rid, 1);
6048 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6049 /* If more than one rate, set auto */
6050 readConfigRid(local, 1);
6051 vwrq->fixed = (local->config.rates[1] == 0);
6056 /*------------------------------------------------------------------*/
6058 * Wireless Handler : set RTS threshold
6060 static int airo_set_rts(struct net_device *dev,
6061 struct iw_request_info *info,
6062 struct iw_param *vwrq,
6065 struct airo_info *local = dev->ml_priv;
6066 int rthr = vwrq->value;
6069 rthr = AIRO_DEF_MTU;
6070 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6073 readConfigRid(local, 1);
6074 local->config.rtsThres = cpu_to_le16(rthr);
6075 set_bit (FLAG_COMMIT, &local->flags);
6077 return -EINPROGRESS; /* Call commit handler */
6080 /*------------------------------------------------------------------*/
6082 * Wireless Handler : get RTS threshold
6084 static int airo_get_rts(struct net_device *dev,
6085 struct iw_request_info *info,
6086 struct iw_param *vwrq,
6089 struct airo_info *local = dev->ml_priv;
6091 readConfigRid(local, 1);
6092 vwrq->value = le16_to_cpu(local->config.rtsThres);
6093 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6099 /*------------------------------------------------------------------*/
6101 * Wireless Handler : set Fragmentation threshold
6103 static int airo_set_frag(struct net_device *dev,
6104 struct iw_request_info *info,
6105 struct iw_param *vwrq,
6108 struct airo_info *local = dev->ml_priv;
6109 int fthr = vwrq->value;
6112 fthr = AIRO_DEF_MTU;
6113 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6116 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6117 readConfigRid(local, 1);
6118 local->config.fragThresh = cpu_to_le16(fthr);
6119 set_bit (FLAG_COMMIT, &local->flags);
6121 return -EINPROGRESS; /* Call commit handler */
6124 /*------------------------------------------------------------------*/
6126 * Wireless Handler : get Fragmentation threshold
6128 static int airo_get_frag(struct net_device *dev,
6129 struct iw_request_info *info,
6130 struct iw_param *vwrq,
6133 struct airo_info *local = dev->ml_priv;
6135 readConfigRid(local, 1);
6136 vwrq->value = le16_to_cpu(local->config.fragThresh);
6137 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6143 /*------------------------------------------------------------------*/
6145 * Wireless Handler : set Mode of Operation
6147 static int airo_set_mode(struct net_device *dev,
6148 struct iw_request_info *info,
6152 struct airo_info *local = dev->ml_priv;
6155 readConfigRid(local, 1);
6156 if (sniffing_mode(local))
6161 local->config.opmode &= ~MODE_CFG_MASK;
6162 local->config.opmode |= MODE_STA_IBSS;
6163 local->config.rmode &= ~RXMODE_FULL_MASK;
6164 local->config.scanMode = SCANMODE_ACTIVE;
6165 clear_bit (FLAG_802_11, &local->flags);
6168 local->config.opmode &= ~MODE_CFG_MASK;
6169 local->config.opmode |= MODE_STA_ESS;
6170 local->config.rmode &= ~RXMODE_FULL_MASK;
6171 local->config.scanMode = SCANMODE_ACTIVE;
6172 clear_bit (FLAG_802_11, &local->flags);
6174 case IW_MODE_MASTER:
6175 local->config.opmode &= ~MODE_CFG_MASK;
6176 local->config.opmode |= MODE_AP;
6177 local->config.rmode &= ~RXMODE_FULL_MASK;
6178 local->config.scanMode = SCANMODE_ACTIVE;
6179 clear_bit (FLAG_802_11, &local->flags);
6181 case IW_MODE_REPEAT:
6182 local->config.opmode &= ~MODE_CFG_MASK;
6183 local->config.opmode |= MODE_AP_RPTR;
6184 local->config.rmode &= ~RXMODE_FULL_MASK;
6185 local->config.scanMode = SCANMODE_ACTIVE;
6186 clear_bit (FLAG_802_11, &local->flags);
6188 case IW_MODE_MONITOR:
6189 local->config.opmode &= ~MODE_CFG_MASK;
6190 local->config.opmode |= MODE_STA_ESS;
6191 local->config.rmode &= ~RXMODE_FULL_MASK;
6192 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6193 local->config.scanMode = SCANMODE_PASSIVE;
6194 set_bit (FLAG_802_11, &local->flags);
6200 set_bit (FLAG_RESET, &local->flags);
6201 set_bit (FLAG_COMMIT, &local->flags);
6203 return -EINPROGRESS; /* Call commit handler */
6206 /*------------------------------------------------------------------*/
6208 * Wireless Handler : get Mode of Operation
6210 static int airo_get_mode(struct net_device *dev,
6211 struct iw_request_info *info,
6215 struct airo_info *local = dev->ml_priv;
6217 readConfigRid(local, 1);
6218 /* If not managed, assume it's ad-hoc */
6219 switch (local->config.opmode & MODE_CFG_MASK) {
6221 *uwrq = IW_MODE_INFRA;
6224 *uwrq = IW_MODE_MASTER;
6227 *uwrq = IW_MODE_REPEAT;
6230 *uwrq = IW_MODE_ADHOC;
6236 static inline int valid_index(CapabilityRid *p, int index)
6240 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6243 /*------------------------------------------------------------------*/
6245 * Wireless Handler : set Encryption Key
6247 static int airo_set_encode(struct net_device *dev,
6248 struct iw_request_info *info,
6249 struct iw_point *dwrq,
6252 struct airo_info *local = dev->ml_priv;
6253 CapabilityRid cap_rid; /* Card capability info */
6254 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6255 __le16 currentAuthType = local->config.authType;
6257 /* Is WEP supported ? */
6258 readCapabilityRid(local, &cap_rid, 1);
6259 /* Older firmware doesn't support this...
6260 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6263 readConfigRid(local, 1);
6265 /* Basic checking: do we have a key to set ?
6266 * Note : with the new API, it's impossible to get a NULL pointer.
6267 * Therefore, we need to check a key size == 0 instead.
6268 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6269 * when no key is present (only change flags), but older versions
6270 * don't do it. - Jean II */
6271 if (dwrq->length > 0) {
6273 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6274 int current_index = get_wep_key(local, 0xffff);
6275 /* Check the size of the key */
6276 if (dwrq->length > MAX_KEY_SIZE) {
6279 /* Check the index (none -> use current) */
6280 if (!valid_index(&cap_rid, index))
6281 index = current_index;
6282 /* Set the length */
6283 if (dwrq->length > MIN_KEY_SIZE)
6284 key.len = MAX_KEY_SIZE;
6286 if (dwrq->length > 0)
6287 key.len = MIN_KEY_SIZE;
6289 /* Disable the key */
6291 /* Check if the key is not marked as invalid */
6292 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6294 memset(key.key, 0, MAX_KEY_SIZE);
6295 /* Copy the key in the driver */
6296 memcpy(key.key, extra, dwrq->length);
6297 /* Send the key to the card */
6298 set_wep_key(local, index, key.key, key.len, perm, 1);
6300 /* WE specify that if a valid key is set, encryption
6301 * should be enabled (user may turn it off later)
6302 * This is also how "iwconfig ethX key on" works */
6303 if((index == current_index) && (key.len > 0) &&
6304 (local->config.authType == AUTH_OPEN)) {
6305 local->config.authType = AUTH_ENCRYPT;
6308 /* Do we want to just set the transmit key index ? */
6309 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6310 if (valid_index(&cap_rid, index)) {
6311 set_wep_key(local, index, NULL, 0, perm, 1);
6313 /* Don't complain if only change the mode */
6314 if (!(dwrq->flags & IW_ENCODE_MODE))
6317 /* Read the flags */
6318 if(dwrq->flags & IW_ENCODE_DISABLED)
6319 local->config.authType = AUTH_OPEN; // disable encryption
6320 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6321 local->config.authType = AUTH_SHAREDKEY; // Only Both
6322 if(dwrq->flags & IW_ENCODE_OPEN)
6323 local->config.authType = AUTH_ENCRYPT; // Only Wep
6324 /* Commit the changes to flags if needed */
6325 if (local->config.authType != currentAuthType)
6326 set_bit (FLAG_COMMIT, &local->flags);
6327 return -EINPROGRESS; /* Call commit handler */
6330 /*------------------------------------------------------------------*/
6332 * Wireless Handler : get Encryption Key
6334 static int airo_get_encode(struct net_device *dev,
6335 struct iw_request_info *info,
6336 struct iw_point *dwrq,
6339 struct airo_info *local = dev->ml_priv;
6340 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6341 CapabilityRid cap_rid; /* Card capability info */
6343 /* Is it supported ? */
6344 readCapabilityRid(local, &cap_rid, 1);
6345 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6348 readConfigRid(local, 1);
6349 /* Check encryption mode */
6350 switch(local->config.authType) {
6352 dwrq->flags = IW_ENCODE_OPEN;
6354 case AUTH_SHAREDKEY:
6355 dwrq->flags = IW_ENCODE_RESTRICTED;
6359 dwrq->flags = IW_ENCODE_DISABLED;
6362 /* We can't return the key, so set the proper flag and return zero */
6363 dwrq->flags |= IW_ENCODE_NOKEY;
6364 memset(extra, 0, 16);
6366 /* Which key do we want ? -1 -> tx index */
6367 if (!valid_index(&cap_rid, index))
6368 index = get_wep_key(local, 0xffff);
6369 dwrq->flags |= index + 1;
6370 /* Copy the key to the user buffer */
6371 dwrq->length = get_wep_key(local, index);
6372 if (dwrq->length > 16) {
6378 /*------------------------------------------------------------------*/
6380 * Wireless Handler : set extended Encryption parameters
6382 static int airo_set_encodeext(struct net_device *dev,
6383 struct iw_request_info *info,
6384 union iwreq_data *wrqu,
6387 struct airo_info *local = dev->ml_priv;
6388 struct iw_point *encoding = &wrqu->encoding;
6389 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6390 CapabilityRid cap_rid; /* Card capability info */
6391 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6392 __le16 currentAuthType = local->config.authType;
6393 int idx, key_len, alg = ext->alg, set_key = 1;
6396 /* Is WEP supported ? */
6397 readCapabilityRid(local, &cap_rid, 1);
6398 /* Older firmware doesn't support this...
6399 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6402 readConfigRid(local, 1);
6404 /* Determine and validate the key index */
6405 idx = encoding->flags & IW_ENCODE_INDEX;
6407 if (!valid_index(&cap_rid, idx - 1))
6411 idx = get_wep_key(local, 0xffff);
6413 if (encoding->flags & IW_ENCODE_DISABLED)
6414 alg = IW_ENCODE_ALG_NONE;
6416 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6417 /* Only set transmit key index here, actual
6418 * key is set below if needed.
6420 set_wep_key(local, idx, NULL, 0, perm, 1);
6421 set_key = ext->key_len > 0 ? 1 : 0;
6425 /* Set the requested key first */
6426 memset(key.key, 0, MAX_KEY_SIZE);
6428 case IW_ENCODE_ALG_NONE:
6431 case IW_ENCODE_ALG_WEP:
6432 if (ext->key_len > MIN_KEY_SIZE) {
6433 key.len = MAX_KEY_SIZE;
6434 } else if (ext->key_len > 0) {
6435 key.len = MIN_KEY_SIZE;
6439 key_len = min (ext->key_len, key.len);
6440 memcpy(key.key, ext->key, key_len);
6445 /* Send the key to the card */
6446 set_wep_key(local, idx, key.key, key.len, perm, 1);
6449 /* Read the flags */
6450 if(encoding->flags & IW_ENCODE_DISABLED)
6451 local->config.authType = AUTH_OPEN; // disable encryption
6452 if(encoding->flags & IW_ENCODE_RESTRICTED)
6453 local->config.authType = AUTH_SHAREDKEY; // Only Both
6454 if(encoding->flags & IW_ENCODE_OPEN)
6455 local->config.authType = AUTH_ENCRYPT; // Only Wep
6456 /* Commit the changes to flags if needed */
6457 if (local->config.authType != currentAuthType)
6458 set_bit (FLAG_COMMIT, &local->flags);
6460 return -EINPROGRESS;
6464 /*------------------------------------------------------------------*/
6466 * Wireless Handler : get extended Encryption parameters
6468 static int airo_get_encodeext(struct net_device *dev,
6469 struct iw_request_info *info,
6470 union iwreq_data *wrqu,
6473 struct airo_info *local = dev->ml_priv;
6474 struct iw_point *encoding = &wrqu->encoding;
6475 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6476 CapabilityRid cap_rid; /* Card capability info */
6477 int idx, max_key_len;
6479 /* Is it supported ? */
6480 readCapabilityRid(local, &cap_rid, 1);
6481 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6484 readConfigRid(local, 1);
6486 max_key_len = encoding->length - sizeof(*ext);
6487 if (max_key_len < 0)
6490 idx = encoding->flags & IW_ENCODE_INDEX;
6492 if (!valid_index(&cap_rid, idx - 1))
6496 idx = get_wep_key(local, 0xffff);
6498 encoding->flags = idx + 1;
6499 memset(ext, 0, sizeof(*ext));
6501 /* Check encryption mode */
6502 switch(local->config.authType) {
6504 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6506 case AUTH_SHAREDKEY:
6507 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6511 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6514 /* We can't return the key, so set the proper flag and return zero */
6515 encoding->flags |= IW_ENCODE_NOKEY;
6516 memset(extra, 0, 16);
6518 /* Copy the key to the user buffer */
6519 ext->key_len = get_wep_key(local, idx);
6520 if (ext->key_len > 16) {
6528 /*------------------------------------------------------------------*/
6530 * Wireless Handler : set extended authentication parameters
6532 static int airo_set_auth(struct net_device *dev,
6533 struct iw_request_info *info,
6534 union iwreq_data *wrqu, char *extra)
6536 struct airo_info *local = dev->ml_priv;
6537 struct iw_param *param = &wrqu->param;
6538 __le16 currentAuthType = local->config.authType;
6540 switch (param->flags & IW_AUTH_INDEX) {
6541 case IW_AUTH_WPA_VERSION:
6542 case IW_AUTH_CIPHER_PAIRWISE:
6543 case IW_AUTH_CIPHER_GROUP:
6544 case IW_AUTH_KEY_MGMT:
6545 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6546 case IW_AUTH_PRIVACY_INVOKED:
6548 * airo does not use these parameters
6552 case IW_AUTH_DROP_UNENCRYPTED:
6554 /* Only change auth type if unencrypted */
6555 if (currentAuthType == AUTH_OPEN)
6556 local->config.authType = AUTH_ENCRYPT;
6558 local->config.authType = AUTH_OPEN;
6561 /* Commit the changes to flags if needed */
6562 if (local->config.authType != currentAuthType)
6563 set_bit (FLAG_COMMIT, &local->flags);
6566 case IW_AUTH_80211_AUTH_ALG: {
6567 /* FIXME: What about AUTH_OPEN? This API seems to
6568 * disallow setting our auth to AUTH_OPEN.
6570 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6571 local->config.authType = AUTH_SHAREDKEY;
6572 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6573 local->config.authType = AUTH_ENCRYPT;
6578 /* Commit the changes to flags if needed */
6579 if (local->config.authType != currentAuthType)
6580 set_bit (FLAG_COMMIT, &local->flags);
6583 case IW_AUTH_WPA_ENABLED:
6584 /* Silently accept disable of WPA */
6585 if (param->value > 0)
6592 return -EINPROGRESS;
6596 /*------------------------------------------------------------------*/
6598 * Wireless Handler : get extended authentication parameters
6600 static int airo_get_auth(struct net_device *dev,
6601 struct iw_request_info *info,
6602 union iwreq_data *wrqu, char *extra)
6604 struct airo_info *local = dev->ml_priv;
6605 struct iw_param *param = &wrqu->param;
6606 __le16 currentAuthType = local->config.authType;
6608 switch (param->flags & IW_AUTH_INDEX) {
6609 case IW_AUTH_DROP_UNENCRYPTED:
6610 switch (currentAuthType) {
6611 case AUTH_SHAREDKEY:
6621 case IW_AUTH_80211_AUTH_ALG:
6622 switch (currentAuthType) {
6623 case AUTH_SHAREDKEY:
6624 param->value = IW_AUTH_ALG_SHARED_KEY;
6628 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6633 case IW_AUTH_WPA_ENABLED:
6644 /*------------------------------------------------------------------*/
6646 * Wireless Handler : set Tx-Power
6648 static int airo_set_txpow(struct net_device *dev,
6649 struct iw_request_info *info,
6650 struct iw_param *vwrq,
6653 struct airo_info *local = dev->ml_priv;
6654 CapabilityRid cap_rid; /* Card capability info */
6657 __le16 v = cpu_to_le16(vwrq->value);
6659 readCapabilityRid(local, &cap_rid, 1);
6661 if (vwrq->disabled) {
6662 set_bit (FLAG_RADIO_OFF, &local->flags);
6663 set_bit (FLAG_COMMIT, &local->flags);
6664 return -EINPROGRESS; /* Call commit handler */
6666 if (vwrq->flags != IW_TXPOW_MWATT) {
6669 clear_bit (FLAG_RADIO_OFF, &local->flags);
6670 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6671 if (v == cap_rid.txPowerLevels[i]) {
6672 readConfigRid(local, 1);
6673 local->config.txPower = v;
6674 set_bit (FLAG_COMMIT, &local->flags);
6675 rc = -EINPROGRESS; /* Call commit handler */
6681 /*------------------------------------------------------------------*/
6683 * Wireless Handler : get Tx-Power
6685 static int airo_get_txpow(struct net_device *dev,
6686 struct iw_request_info *info,
6687 struct iw_param *vwrq,
6690 struct airo_info *local = dev->ml_priv;
6692 readConfigRid(local, 1);
6693 vwrq->value = le16_to_cpu(local->config.txPower);
6694 vwrq->fixed = 1; /* No power control */
6695 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6696 vwrq->flags = IW_TXPOW_MWATT;
6701 /*------------------------------------------------------------------*/
6703 * Wireless Handler : set Retry limits
6705 static int airo_set_retry(struct net_device *dev,
6706 struct iw_request_info *info,
6707 struct iw_param *vwrq,
6710 struct airo_info *local = dev->ml_priv;
6713 if(vwrq->disabled) {
6716 readConfigRid(local, 1);
6717 if(vwrq->flags & IW_RETRY_LIMIT) {
6718 __le16 v = cpu_to_le16(vwrq->value);
6719 if(vwrq->flags & IW_RETRY_LONG)
6720 local->config.longRetryLimit = v;
6721 else if (vwrq->flags & IW_RETRY_SHORT)
6722 local->config.shortRetryLimit = v;
6724 /* No modifier : set both */
6725 local->config.longRetryLimit = v;
6726 local->config.shortRetryLimit = v;
6728 set_bit (FLAG_COMMIT, &local->flags);
6729 rc = -EINPROGRESS; /* Call commit handler */
6731 if(vwrq->flags & IW_RETRY_LIFETIME) {
6732 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6733 set_bit (FLAG_COMMIT, &local->flags);
6734 rc = -EINPROGRESS; /* Call commit handler */
6739 /*------------------------------------------------------------------*/
6741 * Wireless Handler : get Retry limits
6743 static int airo_get_retry(struct net_device *dev,
6744 struct iw_request_info *info,
6745 struct iw_param *vwrq,
6748 struct airo_info *local = dev->ml_priv;
6750 vwrq->disabled = 0; /* Can't be disabled */
6752 readConfigRid(local, 1);
6753 /* Note : by default, display the min retry number */
6754 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6755 vwrq->flags = IW_RETRY_LIFETIME;
6756 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6757 } else if((vwrq->flags & IW_RETRY_LONG)) {
6758 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6759 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6761 vwrq->flags = IW_RETRY_LIMIT;
6762 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6763 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6764 vwrq->flags |= IW_RETRY_SHORT;
6770 /*------------------------------------------------------------------*/
6772 * Wireless Handler : get range info
6774 static int airo_get_range(struct net_device *dev,
6775 struct iw_request_info *info,
6776 struct iw_point *dwrq,
6779 struct airo_info *local = dev->ml_priv;
6780 struct iw_range *range = (struct iw_range *) extra;
6781 CapabilityRid cap_rid; /* Card capability info */
6785 readCapabilityRid(local, &cap_rid, 1);
6787 dwrq->length = sizeof(struct iw_range);
6788 memset(range, 0, sizeof(*range));
6789 range->min_nwid = 0x0000;
6790 range->max_nwid = 0x0000;
6791 range->num_channels = 14;
6792 /* Should be based on cap_rid.country to give only
6793 * what the current card support */
6795 for(i = 0; i < 14; i++) {
6796 range->freq[k].i = i + 1; /* List index */
6797 range->freq[k].m = frequency_list[i] * 100000;
6798 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6800 range->num_frequency = k;
6802 range->sensitivity = 65535;
6804 /* Hum... Should put the right values there */
6806 range->max_qual.qual = 100; /* % */
6808 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6809 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6810 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6812 /* Experimental measurements - boundary 11/5.5 Mb/s */
6813 /* Note : with or without the (local->rssi), results
6814 * are somewhat different. - Jean II */
6816 range->avg_qual.qual = 50; /* % */
6817 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6819 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6820 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6822 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6824 for(i = 0 ; i < 8 ; i++) {
6825 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6826 if(range->bitrate[i] == 0)
6829 range->num_bitrates = i;
6831 /* Set an indication of the max TCP throughput
6832 * in bit/s that we can expect using this interface.
6833 * May be use for QoS stuff... Jean II */
6835 range->throughput = 5000 * 1000;
6837 range->throughput = 1500 * 1000;
6840 range->max_rts = AIRO_DEF_MTU;
6841 range->min_frag = 256;
6842 range->max_frag = AIRO_DEF_MTU;
6844 if(cap_rid.softCap & cpu_to_le16(2)) {
6846 range->encoding_size[0] = 5;
6848 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6849 range->encoding_size[1] = 13;
6850 range->num_encoding_sizes = 2;
6852 range->num_encoding_sizes = 1;
6853 range->max_encoding_tokens =
6854 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6856 range->num_encoding_sizes = 0;
6857 range->max_encoding_tokens = 0;
6860 range->max_pmp = 5000000; /* 5 secs */
6862 range->max_pmt = 65535 * 1024; /* ??? */
6863 range->pmp_flags = IW_POWER_PERIOD;
6864 range->pmt_flags = IW_POWER_TIMEOUT;
6865 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6867 /* Transmit Power - values are in mW */
6868 for(i = 0 ; i < 8 ; i++) {
6869 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6870 if(range->txpower[i] == 0)
6873 range->num_txpower = i;
6874 range->txpower_capa = IW_TXPOW_MWATT;
6875 range->we_version_source = 19;
6876 range->we_version_compiled = WIRELESS_EXT;
6877 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6878 range->retry_flags = IW_RETRY_LIMIT;
6879 range->r_time_flags = IW_RETRY_LIFETIME;
6880 range->min_retry = 1;
6881 range->max_retry = 65535;
6882 range->min_r_time = 1024;
6883 range->max_r_time = 65535 * 1024;
6885 /* Event capability (kernel + driver) */
6886 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6887 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6888 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6889 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6890 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6891 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6895 /*------------------------------------------------------------------*/
6897 * Wireless Handler : set Power Management
6899 static int airo_set_power(struct net_device *dev,
6900 struct iw_request_info *info,
6901 struct iw_param *vwrq,
6904 struct airo_info *local = dev->ml_priv;
6906 readConfigRid(local, 1);
6907 if (vwrq->disabled) {
6908 if (sniffing_mode(local))
6910 local->config.powerSaveMode = POWERSAVE_CAM;
6911 local->config.rmode &= ~RXMODE_MASK;
6912 local->config.rmode |= RXMODE_BC_MC_ADDR;
6913 set_bit (FLAG_COMMIT, &local->flags);
6914 return -EINPROGRESS; /* Call commit handler */
6916 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6917 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6918 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6919 set_bit (FLAG_COMMIT, &local->flags);
6920 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6921 local->config.fastListenInterval =
6922 local->config.listenInterval =
6923 cpu_to_le16((vwrq->value + 500) / 1024);
6924 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6925 set_bit (FLAG_COMMIT, &local->flags);
6927 switch (vwrq->flags & IW_POWER_MODE) {
6928 case IW_POWER_UNICAST_R:
6929 if (sniffing_mode(local))
6931 local->config.rmode &= ~RXMODE_MASK;
6932 local->config.rmode |= RXMODE_ADDR;
6933 set_bit (FLAG_COMMIT, &local->flags);
6935 case IW_POWER_ALL_R:
6936 if (sniffing_mode(local))
6938 local->config.rmode &= ~RXMODE_MASK;
6939 local->config.rmode |= RXMODE_BC_MC_ADDR;
6940 set_bit (FLAG_COMMIT, &local->flags);
6942 /* This is broken, fixme ;-) */
6947 // Note : we may want to factor local->need_commit here
6948 // Note2 : may also want to factor RXMODE_RFMON test
6949 return -EINPROGRESS; /* Call commit handler */
6952 /*------------------------------------------------------------------*/
6954 * Wireless Handler : get Power Management
6956 static int airo_get_power(struct net_device *dev,
6957 struct iw_request_info *info,
6958 struct iw_param *vwrq,
6961 struct airo_info *local = dev->ml_priv;
6964 readConfigRid(local, 1);
6965 mode = local->config.powerSaveMode;
6966 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6968 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6969 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
6970 vwrq->flags = IW_POWER_TIMEOUT;
6972 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
6973 vwrq->flags = IW_POWER_PERIOD;
6975 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
6976 vwrq->flags |= IW_POWER_UNICAST_R;
6978 vwrq->flags |= IW_POWER_ALL_R;
6983 /*------------------------------------------------------------------*/
6985 * Wireless Handler : set Sensitivity
6987 static int airo_set_sens(struct net_device *dev,
6988 struct iw_request_info *info,
6989 struct iw_param *vwrq,
6992 struct airo_info *local = dev->ml_priv;
6994 readConfigRid(local, 1);
6995 local->config.rssiThreshold =
6996 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
6997 set_bit (FLAG_COMMIT, &local->flags);
6999 return -EINPROGRESS; /* Call commit handler */
7002 /*------------------------------------------------------------------*/
7004 * Wireless Handler : get Sensitivity
7006 static int airo_get_sens(struct net_device *dev,
7007 struct iw_request_info *info,
7008 struct iw_param *vwrq,
7011 struct airo_info *local = dev->ml_priv;
7013 readConfigRid(local, 1);
7014 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7015 vwrq->disabled = (vwrq->value == 0);
7021 /*------------------------------------------------------------------*/
7023 * Wireless Handler : get AP List
7024 * Note : this is deprecated in favor of IWSCAN
7026 static int airo_get_aplist(struct net_device *dev,
7027 struct iw_request_info *info,
7028 struct iw_point *dwrq,
7031 struct airo_info *local = dev->ml_priv;
7032 struct sockaddr *address = (struct sockaddr *) extra;
7033 struct iw_quality qual[IW_MAX_AP];
7036 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7038 for (i = 0; i < IW_MAX_AP; i++) {
7040 if (readBSSListRid(local, loseSync, &BSSList))
7043 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7044 address[i].sa_family = ARPHRD_ETHER;
7045 dBm = le16_to_cpu(BSSList.dBm);
7047 qual[i].level = 0x100 - dBm;
7048 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7049 qual[i].updated = IW_QUAL_QUAL_UPDATED
7050 | IW_QUAL_LEVEL_UPDATED
7053 qual[i].level = (dBm + 321) / 2;
7055 qual[i].updated = IW_QUAL_QUAL_INVALID
7056 | IW_QUAL_LEVEL_UPDATED
7059 qual[i].noise = local->wstats.qual.noise;
7060 if (BSSList.index == cpu_to_le16(0xffff))
7064 StatusRid status_rid; /* Card status info */
7065 readStatusRid(local, &status_rid, 1);
7067 i < min(IW_MAX_AP, 4) &&
7068 (status_rid.bssid[i][0]
7069 & status_rid.bssid[i][1]
7070 & status_rid.bssid[i][2]
7071 & status_rid.bssid[i][3]
7072 & status_rid.bssid[i][4]
7073 & status_rid.bssid[i][5])!=0xff &&
7074 (status_rid.bssid[i][0]
7075 | status_rid.bssid[i][1]
7076 | status_rid.bssid[i][2]
7077 | status_rid.bssid[i][3]
7078 | status_rid.bssid[i][4]
7079 | status_rid.bssid[i][5]);
7081 memcpy(address[i].sa_data,
7082 status_rid.bssid[i], ETH_ALEN);
7083 address[i].sa_family = ARPHRD_ETHER;
7086 dwrq->flags = 1; /* Should be define'd */
7087 memcpy(extra + sizeof(struct sockaddr)*i,
7088 &qual, sizeof(struct iw_quality)*i);
7095 /*------------------------------------------------------------------*/
7097 * Wireless Handler : Initiate Scan
7099 static int airo_set_scan(struct net_device *dev,
7100 struct iw_request_info *info,
7101 struct iw_point *dwrq,
7104 struct airo_info *ai = dev->ml_priv;
7109 /* Note : you may have realised that, as this is a SET operation,
7110 * this is privileged and therefore a normal user can't
7112 * This is not an error, while the device perform scanning,
7113 * traffic doesn't flow, so it's a perfect DoS...
7115 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7117 if (down_interruptible(&ai->sem))
7118 return -ERESTARTSYS;
7120 /* If there's already a scan in progress, don't
7121 * trigger another one. */
7122 if (ai->scan_timeout > 0)
7125 /* Initiate a scan command */
7126 ai->scan_timeout = RUN_AT(3*HZ);
7127 memset(&cmd, 0, sizeof(cmd));
7128 cmd.cmd=CMD_LISTBSS;
7129 issuecommand(ai, &cmd, &rsp);
7135 wake_up_interruptible(&ai->thr_wait);
7139 /*------------------------------------------------------------------*/
7141 * Translate scan data returned from the card to a card independent
7142 * format that the Wireless Tools will understand - Jean II
7144 static inline char *airo_translate_scan(struct net_device *dev,
7145 struct iw_request_info *info,
7150 struct airo_info *ai = dev->ml_priv;
7151 struct iw_event iwe; /* Temporary buffer */
7152 __le16 capabilities;
7153 char * current_val; /* For rates */
7158 /* First entry *MUST* be the AP MAC address */
7159 iwe.cmd = SIOCGIWAP;
7160 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7161 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7162 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7163 &iwe, IW_EV_ADDR_LEN);
7165 /* Other entries will be displayed in the order we give them */
7168 iwe.u.data.length = bss->ssidLen;
7169 if(iwe.u.data.length > 32)
7170 iwe.u.data.length = 32;
7171 iwe.cmd = SIOCGIWESSID;
7172 iwe.u.data.flags = 1;
7173 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7177 iwe.cmd = SIOCGIWMODE;
7178 capabilities = bss->cap;
7179 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7180 if(capabilities & CAP_ESS)
7181 iwe.u.mode = IW_MODE_MASTER;
7183 iwe.u.mode = IW_MODE_ADHOC;
7184 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7185 &iwe, IW_EV_UINT_LEN);
7189 iwe.cmd = SIOCGIWFREQ;
7190 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7191 /* iwe.u.freq.m containt the channel (starting 1), our
7192 * frequency_list array start at index 0...
7194 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7196 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7197 &iwe, IW_EV_FREQ_LEN);
7199 dBm = le16_to_cpu(bss->dBm);
7201 /* Add quality statistics */
7204 iwe.u.qual.level = 0x100 - dBm;
7205 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7206 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7207 | IW_QUAL_LEVEL_UPDATED
7210 iwe.u.qual.level = (dBm + 321) / 2;
7211 iwe.u.qual.qual = 0;
7212 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7213 | IW_QUAL_LEVEL_UPDATED
7216 iwe.u.qual.noise = ai->wstats.qual.noise;
7217 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7218 &iwe, IW_EV_QUAL_LEN);
7220 /* Add encryption capability */
7221 iwe.cmd = SIOCGIWENCODE;
7222 if(capabilities & CAP_PRIVACY)
7223 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7225 iwe.u.data.flags = IW_ENCODE_DISABLED;
7226 iwe.u.data.length = 0;
7227 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7230 /* Rate : stuffing multiple values in a single event require a bit
7231 * more of magic - Jean II */
7232 current_val = current_ev + iwe_stream_lcp_len(info);
7234 iwe.cmd = SIOCGIWRATE;
7235 /* Those two flags are ignored... */
7236 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7238 for(i = 0 ; i < 8 ; i++) {
7239 /* NULL terminated */
7240 if(bss->rates[i] == 0)
7242 /* Bit rate given in 500 kb/s units (+ 0x80) */
7243 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7244 /* Add new value to event */
7245 current_val = iwe_stream_add_value(info, current_ev,
7246 current_val, end_buf,
7247 &iwe, IW_EV_PARAM_LEN);
7249 /* Check if we added any event */
7250 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7251 current_ev = current_val;
7253 /* Beacon interval */
7254 buf = kmalloc(30, GFP_KERNEL);
7256 iwe.cmd = IWEVCUSTOM;
7257 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7258 iwe.u.data.length = strlen(buf);
7259 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7264 /* Put WPA/RSN Information Elements into the event stream */
7265 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7266 unsigned int num_null_ies = 0;
7267 u16 length = sizeof (bss->extra.iep);
7268 struct ieee80211_info_element *info_element =
7269 (struct ieee80211_info_element *) &bss->extra.iep;
7271 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7272 if (sizeof(*info_element) + info_element->len > length) {
7273 /* Invalid element, don't continue parsing IE */
7277 switch (info_element->id) {
7278 case MFIE_TYPE_SSID:
7279 /* Two zero-length SSID elements
7280 * mean we're done parsing elements */
7281 if (!info_element->len)
7285 case MFIE_TYPE_GENERIC:
7286 if (info_element->len >= 4 &&
7287 info_element->data[0] == 0x00 &&
7288 info_element->data[1] == 0x50 &&
7289 info_element->data[2] == 0xf2 &&
7290 info_element->data[3] == 0x01) {
7291 iwe.cmd = IWEVGENIE;
7292 iwe.u.data.length = min(info_element->len + 2,
7294 current_ev = iwe_stream_add_point(
7297 (char *) info_element);
7302 iwe.cmd = IWEVGENIE;
7303 iwe.u.data.length = min(info_element->len + 2,
7305 current_ev = iwe_stream_add_point(
7306 info, current_ev, end_buf,
7307 &iwe, (char *) info_element);
7314 length -= sizeof(*info_element) + info_element->len;
7316 (struct ieee80211_info_element *)&info_element->
7317 data[info_element->len];
7323 /*------------------------------------------------------------------*/
7325 * Wireless Handler : Read Scan Results
7327 static int airo_get_scan(struct net_device *dev,
7328 struct iw_request_info *info,
7329 struct iw_point *dwrq,
7332 struct airo_info *ai = dev->ml_priv;
7333 BSSListElement *net;
7335 char *current_ev = extra;
7337 /* If a scan is in-progress, return -EAGAIN */
7338 if (ai->scan_timeout > 0)
7341 if (down_interruptible(&ai->sem))
7344 list_for_each_entry (net, &ai->network_list, list) {
7345 /* Translate to WE format this entry */
7346 current_ev = airo_translate_scan(dev, info, current_ev,
7347 extra + dwrq->length,
7350 /* Check if there is space for one more entry */
7351 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7352 /* Ask user space to try again with a bigger buffer */
7358 /* Length of data */
7359 dwrq->length = (current_ev - extra);
7360 dwrq->flags = 0; /* todo */
7367 /*------------------------------------------------------------------*/
7369 * Commit handler : called after a bunch of SET operations
7371 static int airo_config_commit(struct net_device *dev,
7372 struct iw_request_info *info, /* NULL */
7373 void *zwrq, /* NULL */
7374 char *extra) /* NULL */
7376 struct airo_info *local = dev->ml_priv;
7378 if (!test_bit (FLAG_COMMIT, &local->flags))
7381 /* Some of the "SET" function may have modified some of the
7382 * parameters. It's now time to commit them in the card */
7383 disable_MAC(local, 1);
7384 if (test_bit (FLAG_RESET, &local->flags)) {
7385 APListRid APList_rid;
7388 readAPListRid(local, &APList_rid);
7389 readSsidRid(local, &SSID_rid);
7390 if (test_bit(FLAG_MPI,&local->flags))
7391 setup_card(local, dev->dev_addr, 1 );
7393 reset_airo_card(dev);
7394 disable_MAC(local, 1);
7395 writeSsidRid(local, &SSID_rid, 1);
7396 writeAPListRid(local, &APList_rid, 1);
7398 if (down_interruptible(&local->sem))
7399 return -ERESTARTSYS;
7400 writeConfigRid(local, 0);
7401 enable_MAC(local, 0);
7402 if (test_bit (FLAG_RESET, &local->flags))
7403 airo_set_promisc(local);
7410 /*------------------------------------------------------------------*/
7412 * Structures to export the Wireless Handlers
7415 static const struct iw_priv_args airo_private_args[] = {
7416 /*{ cmd, set_args, get_args, name } */
7417 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7418 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7419 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7420 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7423 static const iw_handler airo_handler[] =
7425 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7426 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7427 (iw_handler) NULL, /* SIOCSIWNWID */
7428 (iw_handler) NULL, /* SIOCGIWNWID */
7429 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7430 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7431 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7432 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7433 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7434 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7435 (iw_handler) NULL, /* SIOCSIWRANGE */
7436 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7437 (iw_handler) NULL, /* SIOCSIWPRIV */
7438 (iw_handler) NULL, /* SIOCGIWPRIV */
7439 (iw_handler) NULL, /* SIOCSIWSTATS */
7440 (iw_handler) NULL, /* SIOCGIWSTATS */
7441 iw_handler_set_spy, /* SIOCSIWSPY */
7442 iw_handler_get_spy, /* SIOCGIWSPY */
7443 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7444 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7445 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7446 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7447 (iw_handler) NULL, /* -- hole -- */
7448 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7449 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7450 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7451 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7452 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7453 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7454 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7455 (iw_handler) NULL, /* -- hole -- */
7456 (iw_handler) NULL, /* -- hole -- */
7457 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7458 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7459 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7460 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7461 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7462 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7463 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7464 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7465 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7466 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7467 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7468 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7469 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7470 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7471 (iw_handler) NULL, /* -- hole -- */
7472 (iw_handler) NULL, /* -- hole -- */
7473 (iw_handler) NULL, /* SIOCSIWGENIE */
7474 (iw_handler) NULL, /* SIOCGIWGENIE */
7475 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7476 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7477 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7478 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7479 (iw_handler) NULL, /* SIOCSIWPMKSA */
7482 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7483 * We want to force the use of the ioctl code, because those can't be
7484 * won't work the iw_handler code (because they simultaneously read
7485 * and write data and iw_handler can't do that).
7486 * Note that it's perfectly legal to read/write on a single ioctl command,
7487 * you just can't use iwpriv and need to force it via the ioctl handler.
7489 static const iw_handler airo_private_handler[] =
7491 NULL, /* SIOCIWFIRSTPRIV */
7494 static const struct iw_handler_def airo_handler_def =
7496 .num_standard = ARRAY_SIZE(airo_handler),
7497 .num_private = ARRAY_SIZE(airo_private_handler),
7498 .num_private_args = ARRAY_SIZE(airo_private_args),
7499 .standard = airo_handler,
7500 .private = airo_private_handler,
7501 .private_args = airo_private_args,
7502 .get_wireless_stats = airo_get_wireless_stats,
7506 * This defines the configuration part of the Wireless Extensions
7507 * Note : irq and spinlock protection will occur in the subroutines
7510 * o Check input value more carefully and fill correct values in range
7511 * o Test and shakeout the bugs (if any)
7515 * Javier Achirica did a great job of merging code from the unnamed CISCO
7516 * developer that added support for flashing the card.
7518 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7521 struct airo_info *ai = dev->ml_priv;
7523 if (ai->power.event)
7533 int val = AIROMAGIC;
7535 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7537 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7546 /* Get the command struct and hand it off for evaluation by
7547 * the proper subfunction
7551 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7556 /* Separate R/W functions bracket legality here
7558 if ( com.command == AIRORSWVERSION ) {
7559 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7564 else if ( com.command <= AIRORRID)
7565 rc = readrids(dev,&com);
7566 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7567 rc = writerids(dev,&com);
7568 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7569 rc = flashcard(dev,&com);
7571 rc = -EINVAL; /* Bad command in ioctl */
7574 #endif /* CISCO_EXT */
7576 // All other calls are currently unsupported
7584 * Get the Wireless stats out of the driver
7585 * Note : irq and spinlock protection will occur in the subroutines
7588 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7592 static void airo_read_wireless_stats(struct airo_info *local)
7594 StatusRid status_rid;
7596 CapabilityRid cap_rid;
7597 __le32 *vals = stats_rid.vals;
7599 /* Get stats out of the card */
7600 clear_bit(JOB_WSTATS, &local->jobs);
7601 if (local->power.event) {
7605 readCapabilityRid(local, &cap_rid, 0);
7606 readStatusRid(local, &status_rid, 0);
7607 readStatsRid(local, &stats_rid, RID_STATS, 0);
7611 local->wstats.status = le16_to_cpu(status_rid.mode);
7613 /* Signal quality and co */
7615 local->wstats.qual.level =
7616 airo_rssi_to_dbm(local->rssi,
7617 le16_to_cpu(status_rid.sigQuality));
7618 /* normalizedSignalStrength appears to be a percentage */
7619 local->wstats.qual.qual =
7620 le16_to_cpu(status_rid.normalizedSignalStrength);
7622 local->wstats.qual.level =
7623 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7624 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7626 if (le16_to_cpu(status_rid.len) >= 124) {
7627 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7628 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7630 local->wstats.qual.noise = 0;
7631 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7634 /* Packets discarded in the wireless adapter due to wireless
7635 * specific problems */
7636 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7637 le32_to_cpu(vals[57]) +
7638 le32_to_cpu(vals[58]); /* SSID Mismatch */
7639 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7640 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7641 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7642 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7643 le32_to_cpu(vals[32]);
7644 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7647 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7649 struct airo_info *local = dev->ml_priv;
7651 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7652 /* Get stats out of the card if available */
7653 if (down_trylock(&local->sem) != 0) {
7654 set_bit(JOB_WSTATS, &local->jobs);
7655 wake_up_interruptible(&local->thr_wait);
7657 airo_read_wireless_stats(local);
7660 return &local->wstats;
7665 * This just translates from driver IOCTL codes to the command codes to
7666 * feed to the radio's host interface. Things can be added/deleted
7667 * as needed. This represents the READ side of control I/O to
7670 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7671 unsigned short ridcode;
7672 unsigned char *iobuf;
7674 struct airo_info *ai = dev->ml_priv;
7676 if (test_bit(FLAG_FLASHING, &ai->flags))
7679 switch(comp->command)
7681 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7682 case AIROGCFG: ridcode = RID_CONFIG;
7683 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7684 disable_MAC (ai, 1);
7685 writeConfigRid (ai, 1);
7689 case AIROGSLIST: ridcode = RID_SSID; break;
7690 case AIROGVLIST: ridcode = RID_APLIST; break;
7691 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7692 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7693 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7694 /* Only super-user can read WEP keys */
7695 if (!capable(CAP_NET_ADMIN))
7698 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7699 /* Only super-user can read WEP keys */
7700 if (!capable(CAP_NET_ADMIN))
7703 case AIROGSTAT: ridcode = RID_STATUS; break;
7704 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7705 case AIROGSTATSC32: ridcode = RID_STATS; break;
7707 if (copy_to_user(comp->data, &ai->micstats,
7708 min((int)comp->len,(int)sizeof(ai->micstats))))
7711 case AIRORRID: ridcode = comp->ridnum; break;
7717 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7720 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7721 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7722 * then return it to the user
7723 * 9/22/2000 Honor user given length
7727 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7736 * Danger Will Robinson write the rids here
7739 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7740 struct airo_info *ai = dev->ml_priv;
7743 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7744 unsigned char *iobuf;
7746 /* Only super-user can write RIDs */
7747 if (!capable(CAP_NET_ADMIN))
7750 if (test_bit(FLAG_FLASHING, &ai->flags))
7754 writer = do_writerid;
7756 switch(comp->command)
7758 case AIROPSIDS: ridcode = RID_SSID; break;
7759 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7760 case AIROPAPLIST: ridcode = RID_APLIST; break;
7761 case AIROPCFG: ai->config.len = 0;
7762 clear_bit(FLAG_COMMIT, &ai->flags);
7763 ridcode = RID_CONFIG; break;
7764 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7765 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7766 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7767 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7769 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7770 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7772 /* this is not really a rid but a command given to the card
7776 if (enable_MAC(ai, 1) != 0)
7781 * Evidently this code in the airo driver does not get a symbol
7782 * as disable_MAC. it's probably so short the compiler does not gen one.
7788 /* This command merely clears the counts does not actually store any data
7789 * only reads rid. But as it changes the cards state, I put it in the
7790 * writerid routines.
7793 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7796 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7798 enabled = ai->micstats.enabled;
7799 memset(&ai->micstats,0,sizeof(ai->micstats));
7800 ai->micstats.enabled = enabled;
7802 if (copy_to_user(comp->data, iobuf,
7803 min((int)comp->len, (int)RIDSIZE))) {
7811 return -EOPNOTSUPP; /* Blarg! */
7813 if(comp->len > RIDSIZE)
7816 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7819 if (copy_from_user(iobuf,comp->data,comp->len)) {
7824 if (comp->command == AIROPCFG) {
7825 ConfigRid *cfg = (ConfigRid *)iobuf;
7827 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7828 cfg->opmode |= MODE_MIC;
7830 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7831 set_bit (FLAG_ADHOC, &ai->flags);
7833 clear_bit (FLAG_ADHOC, &ai->flags);
7836 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7844 /*****************************************************************************
7845 * Ancillary flash / mod functions much black magic lurkes here *
7846 *****************************************************************************
7850 * Flash command switch table
7853 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7856 /* Only super-user can modify flash */
7857 if (!capable(CAP_NET_ADMIN))
7860 switch(comp->command)
7863 return cmdreset((struct airo_info *)dev->ml_priv);
7866 if (!AIRO_FLASH(dev) &&
7867 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7869 return setflashmode((struct airo_info *)dev->ml_priv);
7871 case AIROFLSHGCHR: /* Get char from aux */
7872 if(comp->len != sizeof(int))
7874 if (copy_from_user(&z,comp->data,comp->len))
7876 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7878 case AIROFLSHPCHR: /* Send char to card. */
7879 if(comp->len != sizeof(int))
7881 if (copy_from_user(&z,comp->data,comp->len))
7883 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7885 case AIROFLPUTBUF: /* Send 32k to card */
7886 if (!AIRO_FLASH(dev))
7888 if(comp->len > FLASHSIZE)
7890 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7893 flashputbuf((struct airo_info *)dev->ml_priv);
7897 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7904 #define FLASH_COMMAND 0x7e7e
7908 * Disable MAC and do soft reset on
7912 static int cmdreset(struct airo_info *ai) {
7916 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7920 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7922 ssleep(1); /* WAS 600 12/7/00 */
7925 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7932 * Put the card in legendary flash
7936 static int setflashmode (struct airo_info *ai) {
7937 set_bit (FLAG_FLASHING, &ai->flags);
7939 OUT4500(ai, SWS0, FLASH_COMMAND);
7940 OUT4500(ai, SWS1, FLASH_COMMAND);
7942 OUT4500(ai, SWS0, FLASH_COMMAND);
7943 OUT4500(ai, COMMAND,0x10);
7945 OUT4500(ai, SWS2, FLASH_COMMAND);
7946 OUT4500(ai, SWS3, FLASH_COMMAND);
7947 OUT4500(ai, COMMAND,0);
7949 msleep(500); /* 500ms delay */
7952 clear_bit (FLAG_FLASHING, &ai->flags);
7953 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7959 /* Put character to SWS0 wait for dwelltime
7963 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7974 /* Wait for busy bit d15 to go false indicating buffer empty */
7975 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7980 /* timeout for busy clear wait */
7982 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
7986 /* Port is clear now write byte and wait for it to echo back */
7988 OUT4500(ai,SWS0,byte);
7991 echo = IN4500(ai,SWS1);
7992 } while (dwelltime >= 0 && echo != byte);
7996 return (echo == byte) ? 0 : -EIO;
8000 * Get a character from the card matching matchbyte
8003 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8005 unsigned char rbyte=0;
8008 rchar = IN4500(ai,SWS1);
8010 if(dwelltime && !(0x8000 & rchar)){
8015 rbyte = 0xff & rchar;
8017 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8021 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8025 }while(dwelltime > 0);
8030 * Transfer 32k of firmware data from user buffer to our buffer and
8034 static int flashputbuf(struct airo_info *ai){
8038 if (test_bit(FLAG_MPI,&ai->flags))
8039 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8041 OUT4500(ai,AUXPAGE,0x100);
8042 OUT4500(ai,AUXOFF,0);
8044 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8045 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8048 OUT4500(ai,SWS0,0x8000);
8056 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8059 ssleep(1); /* Added 12/7/00 */
8060 clear_bit (FLAG_FLASHING, &ai->flags);
8061 if (test_bit(FLAG_MPI, &ai->flags)) {
8062 status = mpi_init_descriptors(ai);
8063 if (status != SUCCESS)
8066 status = setup_card(ai, dev->dev_addr, 1);
8068 if (!test_bit(FLAG_MPI,&ai->flags))
8069 for( i = 0; i < MAX_FIDS; i++ ) {
8070 ai->fids[i] = transmit_allocate
8071 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8074 ssleep(1); /* Added 12/7/00 */
8077 #endif /* CISCO_EXT */
8080 This program is free software; you can redistribute it and/or
8081 modify it under the terms of the GNU General Public License
8082 as published by the Free Software Foundation; either version 2
8083 of the License, or (at your option) any later version.
8085 This program is distributed in the hope that it will be useful,
8086 but WITHOUT ANY WARRANTY; without even the implied warranty of
8087 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8088 GNU General Public License for more details.
8092 Redistribution and use in source and binary forms, with or without
8093 modification, are permitted provided that the following conditions
8096 1. Redistributions of source code must retain the above copyright
8097 notice, this list of conditions and the following disclaimer.
8098 2. Redistributions in binary form must reproduce the above copyright
8099 notice, this list of conditions and the following disclaimer in the
8100 documentation and/or other materials provided with the distribution.
8101 3. The name of the author may not be used to endorse or promote
8102 products derived from this software without specific prior written
8105 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8106 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8107 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8108 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8109 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8110 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8111 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8112 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8113 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8114 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8115 POSSIBILITY OF SUCH DAMAGE.
8118 module_init(airo_init_module);
8119 module_exit(airo_cleanup_module);