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 <linux/kthread.h>
51 #include <linux/freezer.h>
53 #include <linux/ieee80211.h>
57 #define DRV_NAME "airo"
60 static struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
70 MODULE_DEVICE_TABLE(pci, card_ids);
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
77 static struct pci_driver airo_driver = {
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
85 #endif /* CONFIG_PCI */
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90 #include <net/iw_handler.h> /* New driver API */
92 #define CISCO_EXT /* enable Cisco extensions */
94 #include <linux/delay.h>
97 /* Hack to do some power saving */
100 /* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
106 #define IGNLABEL(comment) NULL
107 static char *statsLabels[] = {
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
210 #define RUN_AT(x) (jiffies+(x))
214 /* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
219 static int basic_rate;
220 static char *ssids[3];
226 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
229 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
234 static int probe = 1;
236 static int proc_uid /* = 0 */;
238 static int proc_gid /* = 0 */;
240 static int airo_perm = 0555;
242 static int proc_perm = 0644;
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
246 cards. Direct support for ISA/PCI/MPI cards and support \
247 for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param(basic_rate, int, 0);
253 module_param_array(rates, int, NULL, 0);
254 module_param_array(ssids, charp, NULL, 0);
255 module_param(auto_wep, int, 0);
256 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257 the authentication options until an association is made. The value of \
258 auto_wep is number of the wep keys to check. A value of 2 will try using \
259 the key at index 0 and index 1.");
260 module_param(aux_bap, int, 0);
261 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262 than seems to work better for older cards with some older buses. Before \
263 switching it checks that the switch is needed.");
264 module_param(maxencrypt, int, 0);
265 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
267 Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
373 #define LINKSTAT 0x10
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
398 /* Size of the transmit queue */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
406 #define COMMAND_BUSY 0x8000
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
416 #define EV_CLEARCOMMANDBUSY 0x4000
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #define IGNORE_INTS (~STATUS_INTS)
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
499 /* This is redundant for x86 archs, but it seems necessary for ARM */
502 /* This structure came from an email sent to me from an engineer at
503 aironet for inclusion into this driver */
512 /* These structures are from the Aironet's PC4500 Developers Manual */
526 #define MOD_DEFAULT cpu_to_le16(0)
527 #define MOD_CCK cpu_to_le16(1)
528 #define MOD_MOK cpu_to_le16(2)
532 __le16 len; /* sizeof(ConfigRid) */
533 __le16 opmode; /* operating mode */
534 #define MODE_STA_IBSS cpu_to_le16(0)
535 #define MODE_STA_ESS cpu_to_le16(1)
536 #define MODE_AP cpu_to_le16(2)
537 #define MODE_AP_RPTR cpu_to_le16(3)
538 #define MODE_CFG_MASK cpu_to_le16(0xff)
539 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
540 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
541 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
542 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
543 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
544 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
545 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
546 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
547 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
548 __le16 rmode; /* receive mode */
549 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
550 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
551 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
552 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
553 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
554 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
555 #define RXMODE_MASK cpu_to_le16(255)
556 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
557 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
558 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 u8 macAddr[ETH_ALEN];
563 __le16 shortRetryLimit;
564 __le16 longRetryLimit;
565 __le16 txLifetime; /* in kusec */
566 __le16 rxLifetime; /* in kusec */
569 __le16 u16deviceType; /* for overriding device type */
572 __le16 _reserved1[3];
573 /*---------- Scanning/Associating ----------*/
575 #define SCANMODE_ACTIVE cpu_to_le16(0)
576 #define SCANMODE_PASSIVE cpu_to_le16(1)
577 #define SCANMODE_AIROSCAN cpu_to_le16(2)
578 __le16 probeDelay; /* in kusec */
579 __le16 probeEnergyTimeout; /* in kusec */
580 __le16 probeResponseTimeout;
581 __le16 beaconListenTimeout;
582 __le16 joinNetTimeout;
585 #define AUTH_OPEN cpu_to_le16(0x1)
586 #define AUTH_ENCRYPT cpu_to_le16(0x101)
587 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
588 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
589 __le16 associationTimeout;
590 __le16 specifiedApTimeout;
591 __le16 offlineScanInterval;
592 __le16 offlineScanDuration;
593 __le16 linkLossDelay;
594 __le16 maxBeaconLostTime;
595 __le16 refreshInterval;
596 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
597 __le16 _reserved1a[1];
598 /*---------- Power save operation ----------*/
599 __le16 powerSaveMode;
600 #define POWERSAVE_CAM cpu_to_le16(0)
601 #define POWERSAVE_PSP cpu_to_le16(1)
602 #define POWERSAVE_PSPCAM cpu_to_le16(2)
603 __le16 sleepForDtims;
604 __le16 listenInterval;
605 __le16 fastListenInterval;
607 __le16 fastListenDelay;
608 __le16 _reserved2[2];
609 /*---------- Ap/Ibss config items ----------*/
616 __le16 bridgeDistance;
618 /*---------- Radio configuration ----------*/
620 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
621 #define RADIOTYPE_802_11 cpu_to_le16(1)
622 #define RADIOTYPE_LEGACY cpu_to_le16(2)
626 #define TXPOWER_DEFAULT 0
627 __le16 rssiThreshold;
628 #define RSSI_DEFAULT 0
630 #define PREAMBLE_AUTO cpu_to_le16(0)
631 #define PREAMBLE_LONG cpu_to_le16(1)
632 #define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 radioSpecific;
636 /*---------- Aironet Extensions ----------*/
641 __le16 _reserved4[1];
642 /*---------- Aironet Extensions ----------*/
644 #define MAGIC_ACTION_STSCHG 1
645 #define MAGIC_ACTION_RESUME 2
646 #define MAGIC_IGNORE_MCAST (1<<8)
647 #define MAGIC_IGNORE_BCAST (1<<9)
648 #define MAGIC_SWITCH_TO_PSP (0<<10)
649 #define MAGIC_STAY_IN_CAM (1<<10)
663 u8 bssid[4][ETH_ALEN];
670 __le16 hopsToBackbone;
672 __le16 generatedLoad;
673 __le16 accumulatedArl;
674 __le16 signalQuality;
675 __le16 currentXmitRate;
676 __le16 apDevExtensions;
677 __le16 normalizedSignalStrength;
678 __le16 shortPreamble;
680 u8 noisePercent; /* Noise percent in last second */
681 u8 noisedBm; /* Noise dBm in last second */
682 u8 noiseAvePercent; /* Noise percent in last minute */
683 u8 noiseAvedBm; /* Noise dBm in last minute */
684 u8 noiseMaxPercent; /* Highest noise percent in last minute */
685 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 #define STAT_NOPACKETS 0
690 #define STAT_NOCARRIERSET 10
691 #define STAT_GOTCARRIERSET 11
692 #define STAT_WRONGSSID 20
693 #define STAT_BADCHANNEL 25
694 #define STAT_BADBITRATES 30
695 #define STAT_BADPRIVACY 35
696 #define STAT_APFOUND 40
697 #define STAT_APREJECTED 50
698 #define STAT_AUTHENTICATING 60
699 #define STAT_DEAUTHENTICATED 61
700 #define STAT_AUTHTIMEOUT 62
701 #define STAT_ASSOCIATING 70
702 #define STAT_DEASSOCIATED 71
703 #define STAT_ASSOCTIMEOUT 72
704 #define STAT_NOTAIROAP 73
705 #define STAT_ASSOCIATED 80
706 #define STAT_LEAPING 90
707 #define STAT_LEAPFAILED 91
708 #define STAT_LEAPTIMEDOUT 92
709 #define STAT_LEAPCOMPLETE 93
732 char factoryAddr[ETH_ALEN];
733 char aironetAddr[ETH_ALEN];
736 char callid[ETH_ALEN];
737 char supportedRates[8];
740 __le16 txPowerLevels[8];
754 /* Only present on firmware >= 5.30.17 */
757 u8 fixed[12]; /* WLAN management frame */
763 __le16 index; /* First is 0 and 0xffff means end of list */
764 #define RADIO_FH 1 /* Frequency hopping radio type */
765 #define RADIO_DS 2 /* Direct sequence radio type */
766 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
768 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
773 #define CAP_ESS cpu_to_le16(1<<0)
774 #define CAP_IBSS cpu_to_le16(1<<1)
775 #define CAP_PRIVACY cpu_to_le16(1<<4)
776 #define CAP_SHORTHDR cpu_to_le16(1<<5)
778 __le16 beaconInterval;
779 u8 rates[8]; /* Same as rates for config rid */
780 struct { /* For frequency hopping only */
790 /* Only present on firmware >= 5.30.17 */
791 BSSListRidExtra extra;
796 struct list_head list;
842 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
843 #define TXCTL_TXEX (1<<2) /* report if tx fails */
844 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
845 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
846 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
847 #define TXCTL_LLC (1<<4) /* payload is llc */
848 #define TXCTL_RELEASE (0<<5) /* release after completion */
849 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
851 #define BUSY_FID 0x10000
854 #define AIROMAGIC 0xa55a
855 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
856 #ifdef SIOCIWFIRSTPRIV
857 #ifdef SIOCDEVPRIVATE
858 #define AIROOLDIOCTL SIOCDEVPRIVATE
859 #define AIROOLDIDIFC AIROOLDIOCTL + 1
860 #endif /* SIOCDEVPRIVATE */
861 #else /* SIOCIWFIRSTPRIV */
862 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
863 #endif /* SIOCIWFIRSTPRIV */
864 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
865 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
866 * only and don't return the modified struct ifreq to the application which
867 * is usually a problem. - Jean II */
868 #define AIROIOCTL SIOCIWFIRSTPRIV
869 #define AIROIDIFC AIROIOCTL + 1
871 /* Ioctl constants to be used in airo_ioctl.command */
873 #define AIROGCAP 0 // Capability rid
874 #define AIROGCFG 1 // USED A LOT
875 #define AIROGSLIST 2 // System ID list
876 #define AIROGVLIST 3 // List of specified AP's
877 #define AIROGDRVNAM 4 // NOTUSED
878 #define AIROGEHTENC 5 // NOTUSED
879 #define AIROGWEPKTMP 6
880 #define AIROGWEPKNV 7
882 #define AIROGSTATSC32 9
883 #define AIROGSTATSD32 10
884 #define AIROGMICRID 11
885 #define AIROGMICSTATS 12
886 #define AIROGFLAGS 13
889 #define AIRORSWVERSION 17
891 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
893 #define AIROPCAP AIROGSTATSD32 + 40
894 #define AIROPVLIST AIROPCAP + 1
895 #define AIROPSLIST AIROPVLIST + 1
896 #define AIROPCFG AIROPSLIST + 1
897 #define AIROPSIDS AIROPCFG + 1
898 #define AIROPAPLIST AIROPSIDS + 1
899 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
900 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
901 #define AIROPSTCLR AIROPMACOFF + 1
902 #define AIROPWEPKEY AIROPSTCLR + 1
903 #define AIROPWEPKEYNV AIROPWEPKEY + 1
904 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
905 #define AIROPLEAPUSR AIROPLEAPPWD + 1
909 #define AIROFLSHRST AIROPWEPKEYNV + 40
910 #define AIROFLSHGCHR AIROFLSHRST + 1
911 #define AIROFLSHSTFL AIROFLSHGCHR + 1
912 #define AIROFLSHPCHR AIROFLSHSTFL + 1
913 #define AIROFLPUTBUF AIROFLSHPCHR + 1
914 #define AIRORESTART AIROFLPUTBUF + 1
916 #define FLASHSIZE 32768
917 #define AUXMEMSIZE (256 * 1024)
919 typedef struct aironet_ioctl {
920 unsigned short command; // What to do
921 unsigned short len; // Len of data
922 unsigned short ridnum; // rid number
923 unsigned char __user *data; // d-data
926 static char swversion[] = "2.1";
927 #endif /* CISCO_EXT */
929 #define NUM_MODULES 2
930 #define MIC_MSGLEN_MAX 2400
931 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
932 #define AIRO_DEF_MTU 2312
936 u8 enabled; // MIC enabled or not
937 u32 rxSuccess; // successful packets received
938 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
939 u32 rxNotMICed; // pkts dropped due to not being MIC'd
940 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
941 u32 rxWrongSequence; // pkts dropped due to sequence number violation
946 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
947 u64 accum; // accumulated mic, reduced to u32 in final()
948 int position; // current position (byte offset) in message
952 } part; // saves partial message word across update() calls
956 emmh32_context seed; // Context - the seed
957 u32 rx; // Received sequence number
958 u32 tx; // Tx sequence number
959 u32 window; // Start of window
960 u8 valid; // Flag to say if context is valid or not
965 miccntx mCtx; // Multicast context
966 miccntx uCtx; // Unicast context
970 unsigned int rid: 16;
971 unsigned int len: 15;
972 unsigned int valid: 1;
973 dma_addr_t host_addr;
977 unsigned int offset: 15;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
990 } __attribute__ ((packed));
993 unsigned int ctl: 15;
995 unsigned int len: 15;
996 unsigned int valid: 1;
997 dma_addr_t host_addr;
1001 * Host receive descriptor
1004 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1006 RxFid rx_desc; /* card receive descriptor */
1007 char *virtual_host_addr; /* virtual address of host receive
1013 * Host transmit descriptor
1016 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1018 TxFid tx_desc; /* card transmit descriptor */
1019 char *virtual_host_addr; /* virtual address of host receive
1025 * Host RID descriptor
1028 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1030 Rid rid_desc; /* card RID descriptor */
1031 char *virtual_host_addr; /* virtual address of host receive
1040 #define HOST_SET (1 << 0)
1041 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1042 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1043 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1044 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1045 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1046 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1047 #define HOST_RTS (1 << 9) /* Force RTS use */
1048 #define HOST_SHORT (1 << 10) /* Do short preamble */
1075 static WifiCtlHdr wifictlhdr8023 = {
1077 .ctl = HOST_DONT_RLSE,
1081 // A few details needed for WEP (Wireless Equivalent Privacy)
1082 #define MAX_KEY_SIZE 13 // 128 (?) bits
1083 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1084 typedef struct wep_key_t {
1086 u8 key[16]; /* 40-bit and 104-bit keys */
1089 /* Backward compatibility */
1090 #ifndef IW_ENCODE_NOKEY
1091 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1092 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1093 #endif /* IW_ENCODE_NOKEY */
1095 /* List of Wireless Handlers (new API) */
1096 static const struct iw_handler_def airo_handler_def;
1098 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102 static int get_dec_u16( char *buffer, int *start, int limit );
1103 static void OUT4500( struct airo_info *, u16 register, u16 value );
1104 static unsigned short IN4500( struct airo_info *, u16 register );
1105 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1106 static int enable_MAC(struct airo_info *ai, int lock);
1107 static void disable_MAC(struct airo_info *ai, int lock);
1108 static void enable_interrupts(struct airo_info*);
1109 static void disable_interrupts(struct airo_info*);
1110 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1111 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1112 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1114 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1118 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1119 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1120 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1121 *pBuf, int len, int lock);
1122 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1123 int len, int dummy );
1124 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1125 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1126 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1128 static int mpi_send_packet (struct net_device *dev);
1129 static void mpi_unmap_card(struct pci_dev *pci);
1130 static void mpi_receive_802_3(struct airo_info *ai);
1131 static void mpi_receive_802_11(struct airo_info *ai);
1132 static int waitbusy (struct airo_info *ai);
1134 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1135 static int airo_thread(void *data);
1136 static void timer_func( struct net_device *dev );
1137 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1138 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1139 static void airo_read_wireless_stats (struct airo_info *local);
1141 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1142 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1143 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1144 #endif /* CISCO_EXT */
1145 static void micinit(struct airo_info *ai);
1146 static int micsetup(struct airo_info *ai);
1147 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1148 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1150 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1151 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1153 static void airo_networks_free(struct airo_info *ai);
1156 struct net_device *dev;
1157 struct list_head dev_list;
1158 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1159 use the high bit to mark whether it is in use. */
1161 #define MPI_MAX_FIDS 1
1164 char keyindex; // Used with auto wep
1165 char defindex; // Used with auto wep
1166 struct proc_dir_entry *proc_entry;
1167 spinlock_t aux_lock;
1168 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1169 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1170 #define FLAG_RADIO_MASK 0x03
1171 #define FLAG_ENABLED 2
1172 #define FLAG_ADHOC 3 /* Needed by MIC */
1173 #define FLAG_MIC_CAPABLE 4
1174 #define FLAG_UPDATE_MULTI 5
1175 #define FLAG_UPDATE_UNI 6
1176 #define FLAG_802_11 7
1177 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1178 #define FLAG_PENDING_XMIT 9
1179 #define FLAG_PENDING_XMIT11 10
1181 #define FLAG_REGISTERED 12
1182 #define FLAG_COMMIT 13
1183 #define FLAG_RESET 14
1184 #define FLAG_FLASHING 15
1185 #define FLAG_WPA_CAPABLE 16
1186 unsigned long flags;
1189 #define JOB_XMIT11 2
1191 #define JOB_PROMISC 4
1194 #define JOB_AUTOWEP 7
1195 #define JOB_WSTATS 8
1196 #define JOB_SCAN_RESULTS 9
1198 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1200 unsigned short *flash;
1202 struct task_struct *list_bss_task;
1203 struct task_struct *airo_thread_task;
1204 struct semaphore sem;
1205 wait_queue_head_t thr_wait;
1206 unsigned long expires;
1208 struct sk_buff *skb;
1211 struct net_device *wifidev;
1212 struct iw_statistics wstats; // wireless stats
1213 unsigned long scan_timeout; /* Time scan should be read */
1214 struct iw_spy_data spy_data;
1215 struct iw_public_data wireless_data;
1217 struct crypto_cipher *tfm;
1219 mic_statistics micstats;
1220 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1221 HostTxDesc txfids[MPI_MAX_FIDS];
1222 HostRidDesc config_desc;
1223 unsigned long ridbus; // phys addr of config_desc
1224 struct sk_buff_head txq;// tx queue used by mpi350 code
1225 struct pci_dev *pci;
1226 unsigned char __iomem *pcimem;
1227 unsigned char __iomem *pciaux;
1228 unsigned char *shared;
1229 dma_addr_t shared_dma;
1233 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1234 char proc_name[IFNAMSIZ];
1236 /* WPA-related stuff */
1237 unsigned int bssListFirst;
1238 unsigned int bssListNext;
1239 unsigned int bssListRidLen;
1241 struct list_head network_list;
1242 struct list_head network_free_list;
1243 BSSListElement *networks;
1246 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1249 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1252 static int setup_proc_entry( struct net_device *dev,
1253 struct airo_info *apriv );
1254 static int takedown_proc_entry( struct net_device *dev,
1255 struct airo_info *apriv );
1257 static int cmdreset(struct airo_info *ai);
1258 static int setflashmode (struct airo_info *ai);
1259 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1260 static int flashputbuf(struct airo_info *ai);
1261 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1263 #define airo_print(type, name, fmt, args...) \
1264 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1266 #define airo_print_info(name, fmt, args...) \
1267 airo_print(KERN_INFO, name, fmt, ##args)
1269 #define airo_print_dbg(name, fmt, args...) \
1270 airo_print(KERN_DEBUG, name, fmt, ##args)
1272 #define airo_print_warn(name, fmt, args...) \
1273 airo_print(KERN_WARNING, name, fmt, ##args)
1275 #define airo_print_err(name, fmt, args...) \
1276 airo_print(KERN_ERR, name, fmt, ##args)
1278 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1280 /***********************************************************************
1282 ***********************************************************************
1285 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1286 static void MoveWindow(miccntx *context, u32 micSeq);
1287 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1288 struct crypto_cipher *tfm);
1289 static void emmh32_init(emmh32_context *context);
1290 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1291 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1292 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1294 /* micinit - Initialize mic seed */
1296 static void micinit(struct airo_info *ai)
1300 clear_bit(JOB_MIC, &ai->jobs);
1301 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1304 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1306 if (ai->micstats.enabled) {
1307 /* Key must be valid and different */
1308 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1309 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1310 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1311 /* Age current mic Context */
1312 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1313 /* Initialize new context */
1314 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1315 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1316 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1317 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1318 ai->mod[0].mCtx.valid = 1; //Key is now valid
1320 /* Give key to mic seed */
1321 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1324 /* Key must be valid and different */
1325 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1326 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1327 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1328 /* Age current mic Context */
1329 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1330 /* Initialize new context */
1331 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1333 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1334 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1335 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1336 ai->mod[0].uCtx.valid = 1; //Key is now valid
1338 //Give key to mic seed
1339 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1342 /* So next time we have a valid key and mic is enabled, we will update
1343 * the sequence number if the key is the same as before.
1345 ai->mod[0].uCtx.valid = 0;
1346 ai->mod[0].mCtx.valid = 0;
1350 /* micsetup - Get ready for business */
1352 static int micsetup(struct airo_info *ai) {
1355 if (ai->tfm == NULL)
1356 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1358 if (IS_ERR(ai->tfm)) {
1359 airo_print_err(ai->dev->name, "failed to load transform for AES");
1364 for (i=0; i < NUM_MODULES; i++) {
1365 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1366 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1371 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1373 /*===========================================================================
1374 * Description: Mic a packet
1376 * Inputs: etherHead * pointer to an 802.3 frame
1378 * Returns: BOOLEAN if successful, otherwise false.
1379 * PacketTxLen will be updated with the mic'd packets size.
1381 * Caveats: It is assumed that the frame buffer will already
1382 * be big enough to hold the largets mic message possible.
1383 * (No memory allocation is done here).
1385 * Author: sbraneky (10/15/01)
1386 * Merciless hacks by rwilcher (1/14/02)
1389 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1393 // Determine correct context
1394 // If not adhoc, always use unicast key
1396 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1397 context = &ai->mod[0].mCtx;
1399 context = &ai->mod[0].uCtx;
1401 if (!context->valid)
1404 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1406 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1409 mic->seq = htonl(context->tx);
1412 emmh32_init(&context->seed); // Mic the packet
1413 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1414 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1415 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1416 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1417 emmh32_final(&context->seed, (u8*)&mic->mic);
1419 /* New Type/length ?????????? */
1420 mic->typelen = 0; //Let NIC know it could be an oversized packet
1432 /*===========================================================================
1433 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1434 * (removes the MIC stuff) if packet is a valid packet.
1436 * Inputs: etherHead pointer to the 802.3 packet
1438 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1440 * Author: sbraneky (10/15/01)
1441 * Merciless hacks by rwilcher (1/14/02)
1442 *---------------------------------------------------------------------------
1445 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451 mic_error micError = NONE;
1453 // Check if the packet is a Mic'd packet
1455 if (!ai->micstats.enabled) {
1456 //No Mic set or Mic OFF but we received a MIC'd packet.
1457 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1458 ai->micstats.rxMICPlummed++;
1464 if (ntohs(mic->typelen) == 0x888E)
1467 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1468 // Mic enabled but packet isn't Mic'd
1469 ai->micstats.rxMICPlummed++;
1473 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1475 //At this point we a have a mic'd packet and mic is enabled
1476 //Now do the mic error checking.
1478 //Receive seq must be odd
1479 if ( (micSEQ & 1) == 0 ) {
1480 ai->micstats.rxWrongSequence++;
1484 for (i = 0; i < NUM_MODULES; i++) {
1485 int mcast = eth->da[0] & 1;
1486 //Determine proper context
1487 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1489 //Make sure context is valid
1490 if (!context->valid) {
1492 micError = NOMICPLUMMED;
1498 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1500 emmh32_init(&context->seed);
1501 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1502 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1503 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1504 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1506 emmh32_final(&context->seed, digest);
1508 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1511 micError = INCORRECTMIC;
1515 //Check Sequence number if mics pass
1516 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1517 ai->micstats.rxSuccess++;
1521 micError = SEQUENCE;
1524 // Update statistics
1526 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1527 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1528 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 /*===========================================================================
1536 * Description: Checks the Rx Seq number to make sure it is valid
1537 * and hasn't already been received
1539 * Inputs: miccntx - mic context to check seq against
1540 * micSeq - the Mic seq number
1542 * Returns: TRUE if valid otherwise FALSE.
1544 * Author: sbraneky (10/15/01)
1545 * Merciless hacks by rwilcher (1/14/02)
1546 *---------------------------------------------------------------------------
1549 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1553 //Allow for the ap being rebooted - if it is then use the next
1554 //sequence number of the current sequence number - might go backwards
1557 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1558 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1559 context->window = (micSeq > 33) ? micSeq : 33;
1560 context->rx = 0; // Reset rx
1562 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1565 context->rx = 0; // Reset rx
1568 //Make sequence number relative to START of window
1569 seq = micSeq - (context->window - 33);
1571 //Too old of a SEQ number to check.
1576 //Window is infinite forward
1577 MoveWindow(context,micSeq);
1581 // We are in the window. Now check the context rx bit to see if it was already sent
1582 seq >>= 1; //divide by 2 because we only have odd numbers
1583 index = 1 << seq; //Get an index number
1585 if (!(context->rx & index)) {
1586 //micSEQ falls inside the window.
1587 //Add seqence number to the list of received numbers.
1588 context->rx |= index;
1590 MoveWindow(context,micSeq);
1597 static void MoveWindow(miccntx *context, u32 micSeq)
1601 //Move window if seq greater than the middle of the window
1602 if (micSeq > context->window) {
1603 shift = (micSeq - context->window) >> 1;
1607 context->rx >>= shift;
1611 context->window = micSeq; //Move window
1615 /*==============================================*/
1616 /*========== EMMH ROUTINES ====================*/
1617 /*==============================================*/
1619 /* mic accumulate */
1620 #define MIC_ACCUM(val) \
1621 context->accum += (u64)(val) * context->coeff[coeff_position++];
1623 static unsigned char aes_counter[16];
1625 /* expand the key to fill the MMH coefficient array */
1626 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1627 struct crypto_cipher *tfm)
1629 /* take the keying material, expand if necessary, truncate at 16-bytes */
1630 /* run through AES counter mode to generate context->coeff[] */
1634 u8 *cipher, plain[16];
1636 crypto_cipher_setkey(tfm, pkey, 16);
1638 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1639 aes_counter[15] = (u8)(counter >> 0);
1640 aes_counter[14] = (u8)(counter >> 8);
1641 aes_counter[13] = (u8)(counter >> 16);
1642 aes_counter[12] = (u8)(counter >> 24);
1644 memcpy (plain, aes_counter, 16);
1645 crypto_cipher_encrypt_one(tfm, plain, plain);
1647 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1648 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654 /* prepare for calculation of a new mic */
1655 static void emmh32_init(emmh32_context *context)
1657 /* prepare for new mic calculation */
1659 context->position = 0;
1662 /* add some bytes to the mic calculation */
1663 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1665 int coeff_position, byte_position;
1667 if (len == 0) return;
1669 coeff_position = context->position >> 2;
1671 /* deal with partial 32-bit word left over from last update */
1672 byte_position = context->position & 3;
1673 if (byte_position) {
1674 /* have a partial word in part to deal with */
1676 if (len == 0) return;
1677 context->part.d8[byte_position++] = *pOctets++;
1678 context->position++;
1680 } while (byte_position < 4);
1681 MIC_ACCUM(ntohl(context->part.d32));
1684 /* deal with full 32-bit words */
1686 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1687 context->position += 4;
1692 /* deal with partial 32-bit word that will be left over from this update */
1695 context->part.d8[byte_position++] = *pOctets++;
1696 context->position++;
1701 /* mask used to zero empty bytes for final partial word */
1702 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1704 /* calculate the mic */
1705 static void emmh32_final(emmh32_context *context, u8 digest[4])
1707 int coeff_position, byte_position;
1713 coeff_position = context->position >> 2;
1715 /* deal with partial 32-bit word left over from last update */
1716 byte_position = context->position & 3;
1717 if (byte_position) {
1718 /* have a partial word in part to deal with */
1719 val = ntohl(context->part.d32);
1720 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1723 /* reduce the accumulated u64 to a 32-bit MIC */
1724 sum = context->accum;
1725 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1726 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1727 sum = utmp & 0xffffffffLL;
1728 if (utmp > 0x10000000fLL)
1732 digest[0] = (val>>24) & 0xFF;
1733 digest[1] = (val>>16) & 0xFF;
1734 digest[2] = (val>>8) & 0xFF;
1735 digest[3] = val & 0xFF;
1738 static int readBSSListRid(struct airo_info *ai, int first,
1745 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1746 memset(&cmd, 0, sizeof(cmd));
1747 cmd.cmd=CMD_LISTBSS;
1748 if (down_interruptible(&ai->sem))
1749 return -ERESTARTSYS;
1750 ai->list_bss_task = current;
1751 issuecommand(ai, &cmd, &rsp);
1753 /* Let the command take effect */
1754 schedule_timeout_uninterruptible(3 * HZ);
1755 ai->list_bss_task = NULL;
1757 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1758 list, ai->bssListRidLen, 1);
1761 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1763 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1767 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1770 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1772 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1774 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1776 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1781 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1783 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1786 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1788 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1791 static int readConfigRid(struct airo_info *ai, int lock)
1799 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1807 static inline void checkThrottle(struct airo_info *ai)
1810 /* Old hardware had a limit on encryption speed */
1811 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1812 for(i=0; i<8; i++) {
1813 if (ai->config.rates[i] > maxencrypt) {
1814 ai->config.rates[i] = 0;
1820 static int writeConfigRid(struct airo_info *ai, int lock)
1824 if (!test_bit (FLAG_COMMIT, &ai->flags))
1827 clear_bit (FLAG_COMMIT, &ai->flags);
1828 clear_bit (FLAG_RESET, &ai->flags);
1832 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1833 set_bit(FLAG_ADHOC, &ai->flags);
1835 clear_bit(FLAG_ADHOC, &ai->flags);
1837 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1840 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1842 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1845 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1847 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1850 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1852 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1855 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1857 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1860 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1862 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1865 static void try_auto_wep(struct airo_info *ai)
1867 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1868 ai->expires = RUN_AT(3*HZ);
1869 wake_up_interruptible(&ai->thr_wait);
1873 static int airo_open(struct net_device *dev) {
1874 struct airo_info *ai = dev->ml_priv;
1877 if (test_bit(FLAG_FLASHING, &ai->flags))
1880 /* Make sure the card is configured.
1881 * Wireless Extensions may postpone config changes until the card
1882 * is open (to pipeline changes and speed-up card setup). If
1883 * those changes are not yet commited, do it now - Jean II */
1884 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1886 writeConfigRid(ai, 1);
1889 if (ai->wifidev != dev) {
1890 clear_bit(JOB_DIE, &ai->jobs);
1891 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1892 if (IS_ERR(ai->airo_thread_task))
1893 return (int)PTR_ERR(ai->airo_thread_task);
1895 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1898 airo_print_err(dev->name,
1899 "register interrupt %d failed, rc %d",
1901 set_bit(JOB_DIE, &ai->jobs);
1902 kthread_stop(ai->airo_thread_task);
1906 /* Power on the MAC controller (which may have been disabled) */
1907 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1908 enable_interrupts(ai);
1914 netif_start_queue(dev);
1918 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1919 int npacks, pending;
1920 unsigned long flags;
1921 struct airo_info *ai = dev->ml_priv;
1924 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1927 npacks = skb_queue_len (&ai->txq);
1929 if (npacks >= MAXTXQ - 1) {
1930 netif_stop_queue (dev);
1931 if (npacks > MAXTXQ) {
1932 dev->stats.tx_fifo_errors++;
1935 skb_queue_tail (&ai->txq, skb);
1939 spin_lock_irqsave(&ai->aux_lock, flags);
1940 skb_queue_tail (&ai->txq, skb);
1941 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1942 spin_unlock_irqrestore(&ai->aux_lock,flags);
1943 netif_wake_queue (dev);
1946 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1947 mpi_send_packet (dev);
1955 * Attempt to transmit a packet. Can be called from interrupt
1956 * or transmit . return number of packets we tried to send
1959 static int mpi_send_packet (struct net_device *dev)
1961 struct sk_buff *skb;
1962 unsigned char *buffer;
1965 struct airo_info *ai = dev->ml_priv;
1968 /* get a packet to send */
1970 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1971 airo_print_err(dev->name,
1972 "%s: Dequeue'd zero in send_packet()",
1977 /* check min length*/
1978 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1981 ai->txfids[0].tx_desc.offset = 0;
1982 ai->txfids[0].tx_desc.valid = 1;
1983 ai->txfids[0].tx_desc.eoc = 1;
1984 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1987 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1988 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1989 * is immediatly after it. ------------------------------------------------
1990 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1991 * ------------------------------------------------
1994 memcpy((char *)ai->txfids[0].virtual_host_addr,
1995 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1997 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1998 sizeof(wifictlhdr8023));
1999 sendbuf = ai->txfids[0].virtual_host_addr +
2000 sizeof(wifictlhdr8023) + 2 ;
2003 * Firmware automaticly puts 802 header on so
2004 * we don't need to account for it in the length
2006 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2007 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2010 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2013 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2014 ai->txfids[0].tx_desc.len += sizeof(pMic);
2015 /* copy data into airo dma buffer */
2016 memcpy (sendbuf, buffer, sizeof(etherHead));
2017 buffer += sizeof(etherHead);
2018 sendbuf += sizeof(etherHead);
2019 memcpy (sendbuf, &pMic, sizeof(pMic));
2020 sendbuf += sizeof(pMic);
2021 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2023 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2025 dev->trans_start = jiffies;
2027 /* copy data into airo dma buffer */
2028 memcpy(sendbuf, buffer, len);
2031 memcpy_toio(ai->txfids[0].card_ram_off,
2032 &ai->txfids[0].tx_desc, sizeof(TxFid));
2034 OUT4500(ai, EVACK, 8);
2036 dev_kfree_skb_any(skb);
2040 static void get_tx_error(struct airo_info *ai, s32 fid)
2045 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2047 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2049 bap_read(ai, &status, 2, BAP0);
2051 if (le16_to_cpu(status) & 2) /* Too many retries */
2052 ai->dev->stats.tx_aborted_errors++;
2053 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2054 ai->dev->stats.tx_heartbeat_errors++;
2055 if (le16_to_cpu(status) & 8) /* Aid fail */
2057 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2058 ai->dev->stats.tx_carrier_errors++;
2059 if (le16_to_cpu(status) & 0x20) /* Association lost */
2061 /* We produce a TXDROP event only for retry or lifetime
2062 * exceeded, because that's the only status that really mean
2063 * that this particular node went away.
2064 * Other errors means that *we* screwed up. - Jean II */
2065 if ((le16_to_cpu(status) & 2) ||
2066 (le16_to_cpu(status) & 4)) {
2067 union iwreq_data wrqu;
2070 /* Faster to skip over useless data than to do
2071 * another bap_setup(). We are at offset 0x6 and
2072 * need to go to 0x18 and read 6 bytes - Jean II */
2073 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2075 /* Copy 802.11 dest address.
2076 * We use the 802.11 header because the frame may
2077 * not be 802.3 or may be mangled...
2078 * In Ad-Hoc mode, it will be the node address.
2079 * In managed mode, it will be most likely the AP addr
2080 * User space will figure out how to convert it to
2081 * whatever it needs (IP address or else).
2083 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2084 wrqu.addr.sa_family = ARPHRD_ETHER;
2086 /* Send event to user space */
2087 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2091 static void airo_end_xmit(struct net_device *dev) {
2094 struct airo_info *priv = dev->ml_priv;
2095 struct sk_buff *skb = priv->xmit.skb;
2096 int fid = priv->xmit.fid;
2097 u32 *fids = priv->fids;
2099 clear_bit(JOB_XMIT, &priv->jobs);
2100 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2101 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2105 if ( status == SUCCESS ) {
2106 dev->trans_start = jiffies;
2107 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2109 priv->fids[fid] &= 0xffff;
2110 dev->stats.tx_window_errors++;
2112 if (i < MAX_FIDS / 2)
2113 netif_wake_queue(dev);
2117 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2120 struct airo_info *priv = dev->ml_priv;
2121 u32 *fids = priv->fids;
2123 if ( skb == NULL ) {
2124 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2128 /* Find a vacant FID */
2129 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2130 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2132 if ( j >= MAX_FIDS / 2 ) {
2133 netif_stop_queue(dev);
2135 if (i == MAX_FIDS / 2) {
2136 dev->stats.tx_fifo_errors++;
2140 /* check min length*/
2141 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2142 /* Mark fid as used & save length for later */
2143 fids[i] |= (len << 16);
2144 priv->xmit.skb = skb;
2146 if (down_trylock(&priv->sem) != 0) {
2147 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2148 netif_stop_queue(dev);
2149 set_bit(JOB_XMIT, &priv->jobs);
2150 wake_up_interruptible(&priv->thr_wait);
2156 static void airo_end_xmit11(struct net_device *dev) {
2159 struct airo_info *priv = dev->ml_priv;
2160 struct sk_buff *skb = priv->xmit11.skb;
2161 int fid = priv->xmit11.fid;
2162 u32 *fids = priv->fids;
2164 clear_bit(JOB_XMIT11, &priv->jobs);
2165 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2166 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2170 if ( status == SUCCESS ) {
2171 dev->trans_start = jiffies;
2172 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2174 priv->fids[fid] &= 0xffff;
2175 dev->stats.tx_window_errors++;
2178 netif_wake_queue(dev);
2182 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2185 struct airo_info *priv = dev->ml_priv;
2186 u32 *fids = priv->fids;
2188 if (test_bit(FLAG_MPI, &priv->flags)) {
2189 /* Not implemented yet for MPI350 */
2190 netif_stop_queue(dev);
2194 if ( skb == NULL ) {
2195 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2199 /* Find a vacant FID */
2200 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2201 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2203 if ( j >= MAX_FIDS ) {
2204 netif_stop_queue(dev);
2206 if (i == MAX_FIDS) {
2207 dev->stats.tx_fifo_errors++;
2211 /* check min length*/
2212 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2213 /* Mark fid as used & save length for later */
2214 fids[i] |= (len << 16);
2215 priv->xmit11.skb = skb;
2216 priv->xmit11.fid = i;
2217 if (down_trylock(&priv->sem) != 0) {
2218 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2219 netif_stop_queue(dev);
2220 set_bit(JOB_XMIT11, &priv->jobs);
2221 wake_up_interruptible(&priv->thr_wait);
2223 airo_end_xmit11(dev);
2227 static void airo_read_stats(struct net_device *dev)
2229 struct airo_info *ai = dev->ml_priv;
2231 __le32 *vals = stats_rid.vals;
2233 clear_bit(JOB_STATS, &ai->jobs);
2234 if (ai->power.event) {
2238 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2241 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2242 le32_to_cpu(vals[45]);
2243 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2244 le32_to_cpu(vals[41]);
2245 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2246 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2247 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2248 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2249 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2250 dev->stats.tx_fifo_errors;
2251 dev->stats.multicast = le32_to_cpu(vals[43]);
2252 dev->stats.collisions = le32_to_cpu(vals[89]);
2254 /* detailed rx_errors: */
2255 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2256 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2257 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2258 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2261 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2263 struct airo_info *local = dev->ml_priv;
2265 if (!test_bit(JOB_STATS, &local->jobs)) {
2266 /* Get stats out of the card if available */
2267 if (down_trylock(&local->sem) != 0) {
2268 set_bit(JOB_STATS, &local->jobs);
2269 wake_up_interruptible(&local->thr_wait);
2271 airo_read_stats(dev);
2277 static void airo_set_promisc(struct airo_info *ai) {
2281 memset(&cmd, 0, sizeof(cmd));
2282 cmd.cmd=CMD_SETMODE;
2283 clear_bit(JOB_PROMISC, &ai->jobs);
2284 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2285 issuecommand(ai, &cmd, &rsp);
2289 static void airo_set_multicast_list(struct net_device *dev) {
2290 struct airo_info *ai = dev->ml_priv;
2292 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2293 change_bit(FLAG_PROMISC, &ai->flags);
2294 if (down_trylock(&ai->sem) != 0) {
2295 set_bit(JOB_PROMISC, &ai->jobs);
2296 wake_up_interruptible(&ai->thr_wait);
2298 airo_set_promisc(ai);
2301 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2302 /* Turn on multicast. (Should be already setup...) */
2306 static int airo_set_mac_address(struct net_device *dev, void *p)
2308 struct airo_info *ai = dev->ml_priv;
2309 struct sockaddr *addr = p;
2311 readConfigRid(ai, 1);
2312 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2313 set_bit (FLAG_COMMIT, &ai->flags);
2315 writeConfigRid (ai, 1);
2317 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2319 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2323 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2325 if ((new_mtu < 68) || (new_mtu > 2400))
2331 static LIST_HEAD(airo_devices);
2333 static void add_airo_dev(struct airo_info *ai)
2335 /* Upper layers already keep track of PCI devices,
2336 * so we only need to remember our non-PCI cards. */
2338 list_add_tail(&ai->dev_list, &airo_devices);
2341 static void del_airo_dev(struct airo_info *ai)
2344 list_del(&ai->dev_list);
2347 static int airo_close(struct net_device *dev) {
2348 struct airo_info *ai = dev->ml_priv;
2350 netif_stop_queue(dev);
2352 if (ai->wifidev != dev) {
2353 #ifdef POWER_ON_DOWN
2354 /* Shut power to the card. The idea is that the user can save
2355 * power when he doesn't need the card with "ifconfig down".
2356 * That's the method that is most friendly towards the network
2357 * stack (i.e. the network stack won't try to broadcast
2358 * anything on the interface and routes are gone. Jean II */
2359 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2362 disable_interrupts( ai );
2364 free_irq(dev->irq, dev);
2366 set_bit(JOB_DIE, &ai->jobs);
2367 kthread_stop(ai->airo_thread_task);
2372 void stop_airo_card( struct net_device *dev, int freeres )
2374 struct airo_info *ai = dev->ml_priv;
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2378 disable_interrupts(ai);
2379 takedown_proc_entry( dev, ai );
2380 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2381 unregister_netdev( dev );
2383 unregister_netdev(ai->wifidev);
2384 free_netdev(ai->wifidev);
2387 clear_bit(FLAG_REGISTERED, &ai->flags);
2390 * Clean out tx queue
2392 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2393 struct sk_buff *skb = NULL;
2394 for (;(skb = skb_dequeue(&ai->txq));)
2398 airo_networks_free (ai);
2405 /* PCMCIA frees this stuff, so only for PCI and ISA */
2406 release_region( dev->base_addr, 64 );
2407 if (test_bit(FLAG_MPI, &ai->flags)) {
2409 mpi_unmap_card(ai->pci);
2411 iounmap(ai->pcimem);
2413 iounmap(ai->pciaux);
2414 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2415 ai->shared, ai->shared_dma);
2418 crypto_free_cipher(ai->tfm);
2423 EXPORT_SYMBOL(stop_airo_card);
2425 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2427 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2431 static void mpi_unmap_card(struct pci_dev *pci)
2433 unsigned long mem_start = pci_resource_start(pci, 1);
2434 unsigned long mem_len = pci_resource_len(pci, 1);
2435 unsigned long aux_start = pci_resource_start(pci, 2);
2436 unsigned long aux_len = AUXMEMSIZE;
2438 release_mem_region(aux_start, aux_len);
2439 release_mem_region(mem_start, mem_len);
2442 /*************************************************************
2443 * This routine assumes that descriptors have been setup .
2444 * Run at insmod time or after reset when the decriptors
2445 * have been initialized . Returns 0 if all is well nz
2446 * otherwise . Does not allocate memory but sets up card
2447 * using previously allocated descriptors.
2449 static int mpi_init_descriptors (struct airo_info *ai)
2456 /* Alloc card RX descriptors */
2457 netif_stop_queue(ai->dev);
2459 memset(&rsp,0,sizeof(rsp));
2460 memset(&cmd,0,sizeof(cmd));
2462 cmd.cmd = CMD_ALLOCATEAUX;
2464 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2465 cmd.parm2 = MPI_MAX_FIDS;
2466 rc=issuecommand(ai, &cmd, &rsp);
2467 if (rc != SUCCESS) {
2468 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2472 for (i=0; i<MPI_MAX_FIDS; i++) {
2473 memcpy_toio(ai->rxfids[i].card_ram_off,
2474 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2477 /* Alloc card TX descriptors */
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2482 cmd.cmd = CMD_ALLOCATEAUX;
2484 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2487 for (i=0; i<MPI_MAX_FIDS; i++) {
2488 ai->txfids[i].tx_desc.valid = 1;
2489 memcpy_toio(ai->txfids[i].card_ram_off,
2490 &ai->txfids[i].tx_desc, sizeof(TxFid));
2492 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2494 rc=issuecommand(ai, &cmd, &rsp);
2495 if (rc != SUCCESS) {
2496 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2500 /* Alloc card Rid descriptor */
2501 memset(&rsp,0,sizeof(rsp));
2502 memset(&cmd,0,sizeof(cmd));
2504 cmd.cmd = CMD_ALLOCATEAUX;
2506 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2507 cmd.parm2 = 1; /* Magic number... */
2508 rc=issuecommand(ai, &cmd, &rsp);
2509 if (rc != SUCCESS) {
2510 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2514 memcpy_toio(ai->config_desc.card_ram_off,
2515 &ai->config_desc.rid_desc, sizeof(Rid));
2521 * We are setting up three things here:
2522 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2523 * 2) Map PCI memory for issueing commands.
2524 * 3) Allocate memory (shared) to send and receive ethernet frames.
2526 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2528 unsigned long mem_start, mem_len, aux_start, aux_len;
2531 dma_addr_t busaddroff;
2532 unsigned char *vpackoff;
2533 unsigned char __iomem *pciaddroff;
2535 mem_start = pci_resource_start(pci, 1);
2536 mem_len = pci_resource_len(pci, 1);
2537 aux_start = pci_resource_start(pci, 2);
2538 aux_len = AUXMEMSIZE;
2540 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2541 airo_print_err("", "Couldn't get region %x[%x]",
2542 (int)mem_start, (int)mem_len);
2545 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2546 airo_print_err("", "Couldn't get region %x[%x]",
2547 (int)aux_start, (int)aux_len);
2551 ai->pcimem = ioremap(mem_start, mem_len);
2553 airo_print_err("", "Couldn't map region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2557 ai->pciaux = ioremap(aux_start, aux_len);
2559 airo_print_err("", "Couldn't map region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2564 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2565 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2567 airo_print_err("", "Couldn't alloc_consistent %d",
2573 * Setup descriptor RX, TX, CONFIG
2575 busaddroff = ai->shared_dma;
2576 pciaddroff = ai->pciaux + AUX_OFFSET;
2577 vpackoff = ai->shared;
2579 /* RX descriptor setup */
2580 for(i = 0; i < MPI_MAX_FIDS; i++) {
2581 ai->rxfids[i].pending = 0;
2582 ai->rxfids[i].card_ram_off = pciaddroff;
2583 ai->rxfids[i].virtual_host_addr = vpackoff;
2584 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2585 ai->rxfids[i].rx_desc.valid = 1;
2586 ai->rxfids[i].rx_desc.len = PKTSIZE;
2587 ai->rxfids[i].rx_desc.rdy = 0;
2589 pciaddroff += sizeof(RxFid);
2590 busaddroff += PKTSIZE;
2591 vpackoff += PKTSIZE;
2594 /* TX descriptor setup */
2595 for(i = 0; i < MPI_MAX_FIDS; i++) {
2596 ai->txfids[i].card_ram_off = pciaddroff;
2597 ai->txfids[i].virtual_host_addr = vpackoff;
2598 ai->txfids[i].tx_desc.valid = 1;
2599 ai->txfids[i].tx_desc.host_addr = busaddroff;
2600 memcpy(ai->txfids[i].virtual_host_addr,
2601 &wifictlhdr8023, sizeof(wifictlhdr8023));
2603 pciaddroff += sizeof(TxFid);
2604 busaddroff += PKTSIZE;
2605 vpackoff += PKTSIZE;
2607 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2609 /* Rid descriptor setup */
2610 ai->config_desc.card_ram_off = pciaddroff;
2611 ai->config_desc.virtual_host_addr = vpackoff;
2612 ai->config_desc.rid_desc.host_addr = busaddroff;
2613 ai->ridbus = busaddroff;
2614 ai->config_desc.rid_desc.rid = 0;
2615 ai->config_desc.rid_desc.len = RIDSIZE;
2616 ai->config_desc.rid_desc.valid = 1;
2617 pciaddroff += sizeof(Rid);
2618 busaddroff += RIDSIZE;
2619 vpackoff += RIDSIZE;
2621 /* Tell card about descriptors */
2622 if (mpi_init_descriptors (ai) != SUCCESS)
2627 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2629 iounmap(ai->pciaux);
2631 iounmap(ai->pcimem);
2633 release_mem_region(aux_start, aux_len);
2635 release_mem_region(mem_start, mem_len);
2640 static const struct header_ops airo_header_ops = {
2641 .parse = wll_header_parse,
2644 static void wifi_setup(struct net_device *dev)
2646 dev->header_ops = &airo_header_ops;
2647 dev->hard_start_xmit = &airo_start_xmit11;
2648 dev->get_stats = &airo_get_stats;
2649 dev->set_mac_address = &airo_set_mac_address;
2650 dev->do_ioctl = &airo_ioctl;
2651 dev->wireless_handlers = &airo_handler_def;
2652 dev->change_mtu = &airo_change_mtu;
2653 dev->open = &airo_open;
2654 dev->stop = &airo_close;
2656 dev->type = ARPHRD_IEEE80211;
2657 dev->hard_header_len = ETH_HLEN;
2658 dev->mtu = AIRO_DEF_MTU;
2659 dev->addr_len = ETH_ALEN;
2660 dev->tx_queue_len = 100;
2662 memset(dev->broadcast,0xFF, ETH_ALEN);
2664 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2667 static struct net_device *init_wifidev(struct airo_info *ai,
2668 struct net_device *ethdev)
2671 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2674 dev->ml_priv = ethdev->ml_priv;
2675 dev->irq = ethdev->irq;
2676 dev->base_addr = ethdev->base_addr;
2677 dev->wireless_data = ethdev->wireless_data;
2678 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2679 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2680 err = register_netdev(dev);
2688 static int reset_card( struct net_device *dev , int lock) {
2689 struct airo_info *ai = dev->ml_priv;
2691 if (lock && down_interruptible(&ai->sem))
2694 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2703 #define AIRO_MAX_NETWORK_COUNT 64
2704 static int airo_networks_allocate(struct airo_info *ai)
2710 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2712 if (!ai->networks) {
2713 airo_print_warn("", "Out of memory allocating beacons");
2720 static void airo_networks_free(struct airo_info *ai)
2722 kfree(ai->networks);
2723 ai->networks = NULL;
2726 static void airo_networks_initialize(struct airo_info *ai)
2730 INIT_LIST_HEAD(&ai->network_free_list);
2731 INIT_LIST_HEAD(&ai->network_list);
2732 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2733 list_add_tail(&ai->networks[i].list,
2734 &ai->network_free_list);
2737 static int airo_test_wpa_capable(struct airo_info *ai)
2740 CapabilityRid cap_rid;
2742 status = readCapabilityRid(ai, &cap_rid, 1);
2743 if (status != SUCCESS) return 0;
2745 /* Only firmware versions 5.30.17 or better can do WPA */
2746 if (le16_to_cpu(cap_rid.softVer) > 0x530
2747 || (le16_to_cpu(cap_rid.softVer) == 0x530
2748 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2749 airo_print_info("", "WPA is supported.");
2753 /* No WPA support */
2754 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2755 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2759 static struct net_device *_init_airo_card( unsigned short irq, int port,
2760 int is_pcmcia, struct pci_dev *pci,
2761 struct device *dmdev )
2763 struct net_device *dev;
2764 struct airo_info *ai;
2767 /* Create the network device object. */
2768 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2770 airo_print_err("", "Couldn't alloc_etherdev");
2774 ai = dev->ml_priv = netdev_priv(dev);
2776 ai->flags = 1 << FLAG_RADIO_DOWN;
2779 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2780 airo_print_dbg("", "Found an MPI350 card");
2781 set_bit(FLAG_MPI, &ai->flags);
2783 spin_lock_init(&ai->aux_lock);
2784 sema_init(&ai->sem, 1);
2787 init_waitqueue_head (&ai->thr_wait);
2791 if (airo_networks_allocate (ai))
2793 airo_networks_initialize (ai);
2795 /* The Airo-specific entries in the device structure. */
2796 if (test_bit(FLAG_MPI,&ai->flags)) {
2797 skb_queue_head_init (&ai->txq);
2798 dev->hard_start_xmit = &mpi_start_xmit;
2800 dev->hard_start_xmit = &airo_start_xmit;
2801 dev->get_stats = &airo_get_stats;
2802 dev->set_multicast_list = &airo_set_multicast_list;
2803 dev->set_mac_address = &airo_set_mac_address;
2804 dev->do_ioctl = &airo_ioctl;
2805 dev->wireless_handlers = &airo_handler_def;
2806 ai->wireless_data.spy_data = &ai->spy_data;
2807 dev->wireless_data = &ai->wireless_data;
2808 dev->change_mtu = &airo_change_mtu;
2809 dev->open = &airo_open;
2810 dev->stop = &airo_close;
2812 dev->base_addr = port;
2814 SET_NETDEV_DEV(dev, dmdev);
2816 reset_card (dev, 1);
2820 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2822 airo_print_err(dev->name, "Couldn't request region");
2827 if (test_bit(FLAG_MPI,&ai->flags)) {
2828 if (mpi_map_card(ai, pci)) {
2829 airo_print_err("", "Could not map memory");
2835 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2836 airo_print_err(dev->name, "MAC could not be enabled" );
2840 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2841 ai->bap_read = fast_bap_read;
2842 set_bit(FLAG_FLASHING, &ai->flags);
2845 /* Test for WPA support */
2846 if (airo_test_wpa_capable(ai)) {
2847 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2848 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2849 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2850 ai->bssListRidLen = sizeof(BSSListRid);
2852 ai->bssListFirst = RID_BSSLISTFIRST;
2853 ai->bssListNext = RID_BSSLISTNEXT;
2854 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2857 strcpy(dev->name, "eth%d");
2858 rc = register_netdev(dev);
2860 airo_print_err(dev->name, "Couldn't register_netdev");
2863 ai->wifidev = init_wifidev(ai, dev);
2867 set_bit(FLAG_REGISTERED,&ai->flags);
2868 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2870 /* Allocate the transmit buffers */
2871 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2872 for( i = 0; i < MAX_FIDS; i++ )
2873 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2875 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2881 unregister_netdev(ai->wifidev);
2882 free_netdev(ai->wifidev);
2884 unregister_netdev(dev);
2886 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2887 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2888 iounmap(ai->pciaux);
2889 iounmap(ai->pcimem);
2890 mpi_unmap_card(ai->pci);
2894 release_region( dev->base_addr, 64 );
2896 airo_networks_free(ai);
2903 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2904 struct device *dmdev)
2906 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2909 EXPORT_SYMBOL(init_airo_card);
2911 static int waitbusy (struct airo_info *ai) {
2913 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2915 if ((++delay % 20) == 0)
2916 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2918 return delay < 10000;
2921 int reset_airo_card( struct net_device *dev )
2924 struct airo_info *ai = dev->ml_priv;
2926 if (reset_card (dev, 1))
2929 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2930 airo_print_err(dev->name, "MAC could not be enabled");
2933 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2934 /* Allocate the transmit buffers if needed */
2935 if (!test_bit(FLAG_MPI,&ai->flags))
2936 for( i = 0; i < MAX_FIDS; i++ )
2937 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2939 enable_interrupts( ai );
2940 netif_wake_queue(dev);
2944 EXPORT_SYMBOL(reset_airo_card);
2946 static void airo_send_event(struct net_device *dev) {
2947 struct airo_info *ai = dev->ml_priv;
2948 union iwreq_data wrqu;
2949 StatusRid status_rid;
2951 clear_bit(JOB_EVENT, &ai->jobs);
2952 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2954 wrqu.data.length = 0;
2955 wrqu.data.flags = 0;
2956 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2957 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2959 /* Send event to user space */
2960 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2963 static void airo_process_scan_results (struct airo_info *ai) {
2964 union iwreq_data wrqu;
2967 BSSListElement * loop_net;
2968 BSSListElement * tmp_net;
2970 /* Blow away current list of scan results */
2971 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2972 list_move_tail (&loop_net->list, &ai->network_free_list);
2973 /* Don't blow away ->list, just BSS data */
2974 memset (loop_net, 0, sizeof (loop_net->bss));
2977 /* Try to read the first entry of the scan result */
2978 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2979 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2980 /* No scan results */
2984 /* Read and parse all entries */
2986 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2987 /* Grab a network off the free list */
2988 if (!list_empty(&ai->network_free_list)) {
2989 tmp_net = list_entry(ai->network_free_list.next,
2990 BSSListElement, list);
2991 list_del(ai->network_free_list.next);
2994 if (tmp_net != NULL) {
2995 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2996 list_add_tail(&tmp_net->list, &ai->network_list);
3000 /* Read next entry */
3001 rc = PC4500_readrid(ai, ai->bssListNext,
3002 &bss, ai->bssListRidLen, 0);
3006 ai->scan_timeout = 0;
3007 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3010 /* Send an empty event to user space.
3011 * We don't send the received data on
3012 * the event because it would require
3013 * us to do complex transcoding, and
3014 * we want to minimise the work done in
3015 * the irq handler. Use a request to
3016 * extract the data - Jean II */
3017 wrqu.data.length = 0;
3018 wrqu.data.flags = 0;
3019 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3022 static int airo_thread(void *data) {
3023 struct net_device *dev = data;
3024 struct airo_info *ai = dev->ml_priv;
3029 /* make swsusp happy with our thread */
3032 if (test_bit(JOB_DIE, &ai->jobs))
3036 locked = down_interruptible(&ai->sem);
3040 init_waitqueue_entry(&wait, current);
3041 add_wait_queue(&ai->thr_wait, &wait);
3043 set_current_state(TASK_INTERRUPTIBLE);
3046 if (ai->expires || ai->scan_timeout) {
3047 if (ai->scan_timeout &&
3048 time_after_eq(jiffies,ai->scan_timeout)){
3049 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3051 } else if (ai->expires &&
3052 time_after_eq(jiffies,ai->expires)){
3053 set_bit(JOB_AUTOWEP, &ai->jobs);
3056 if (!kthread_should_stop() &&
3057 !freezing(current)) {
3058 unsigned long wake_at;
3059 if (!ai->expires || !ai->scan_timeout) {
3060 wake_at = max(ai->expires,
3063 wake_at = min(ai->expires,
3066 schedule_timeout(wake_at - jiffies);
3069 } else if (!kthread_should_stop() &&
3070 !freezing(current)) {
3076 current->state = TASK_RUNNING;
3077 remove_wait_queue(&ai->thr_wait, &wait);
3084 if (test_bit(JOB_DIE, &ai->jobs)) {
3089 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3094 if (test_bit(JOB_XMIT, &ai->jobs))
3096 else if (test_bit(JOB_XMIT11, &ai->jobs))
3097 airo_end_xmit11(dev);
3098 else if (test_bit(JOB_STATS, &ai->jobs))
3099 airo_read_stats(dev);
3100 else if (test_bit(JOB_WSTATS, &ai->jobs))
3101 airo_read_wireless_stats(ai);
3102 else if (test_bit(JOB_PROMISC, &ai->jobs))
3103 airo_set_promisc(ai);
3104 else if (test_bit(JOB_MIC, &ai->jobs))
3106 else if (test_bit(JOB_EVENT, &ai->jobs))
3107 airo_send_event(dev);
3108 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3110 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3111 airo_process_scan_results(ai);
3112 else /* Shouldn't get here, but we make sure to unlock */
3119 static int header_len(__le16 ctl)
3121 u16 fc = le16_to_cpu(ctl);
3124 if ((fc & 0xe0) == 0xc0)
3125 return 10; /* one-address control packet */
3126 return 16; /* two-address control packet */
3128 if ((fc & 0x300) == 0x300)
3129 return 30; /* WDS packet */
3134 static void airo_handle_cisco_mic(struct airo_info *ai)
3136 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3137 set_bit(JOB_MIC, &ai->jobs);
3138 wake_up_interruptible(&ai->thr_wait);
3142 /* Airo Status codes */
3143 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3144 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3145 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3146 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3147 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3148 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3149 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3150 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3151 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3152 #define STAT_ASSOC 0x0400 /* Associated */
3153 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3155 static void airo_print_status(const char *devname, u16 status)
3157 u8 reason = status & 0xFF;
3161 airo_print_dbg(devname, "link lost (missed beacons)");
3163 case STAT_MAXRETRIES:
3165 airo_print_dbg(devname, "link lost (max retries)");
3167 case STAT_FORCELOSS:
3168 airo_print_dbg(devname, "link lost (local choice)");
3171 airo_print_dbg(devname, "link lost (TSF sync lost)");
3174 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3177 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3179 case STAT_ASSOC_FAIL:
3180 airo_print_dbg(devname, "association failed (reason: %d)",
3183 case STAT_AUTH_FAIL:
3184 airo_print_dbg(devname, "authentication failed (reason: %d)",
3192 static void airo_handle_link(struct airo_info *ai)
3194 union iwreq_data wrqu;
3195 int scan_forceloss = 0;
3198 /* Get new status and acknowledge the link change */
3199 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3200 OUT4500(ai, EVACK, EV_LINK);
3202 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3205 airo_print_status(ai->dev->name, status);
3207 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3210 if (ai->list_bss_task)
3211 wake_up_process(ai->list_bss_task);
3212 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3213 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3215 if (down_trylock(&ai->sem) != 0) {
3216 set_bit(JOB_EVENT, &ai->jobs);
3217 wake_up_interruptible(&ai->thr_wait);
3219 airo_send_event(ai->dev);
3220 } else if (!scan_forceloss) {
3221 if (auto_wep && !ai->expires) {
3222 ai->expires = RUN_AT(3*HZ);
3223 wake_up_interruptible(&ai->thr_wait);
3226 /* Send event to user space */
3227 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3228 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3229 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3233 static void airo_handle_rx(struct airo_info *ai)
3235 struct sk_buff *skb = NULL;
3236 __le16 fc, v, *buffer, tmpbuf[4];
3237 u16 len, hdrlen = 0, gap, fid;
3241 if (test_bit(FLAG_MPI, &ai->flags)) {
3242 if (test_bit(FLAG_802_11, &ai->flags))
3243 mpi_receive_802_11(ai);
3245 mpi_receive_802_3(ai);
3246 OUT4500(ai, EVACK, EV_RX);
3250 fid = IN4500(ai, RXFID);
3252 /* Get the packet length */
3253 if (test_bit(FLAG_802_11, &ai->flags)) {
3254 bap_setup (ai, fid, 4, BAP0);
3255 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3256 /* Bad CRC. Ignore packet */
3257 if (le16_to_cpu(hdr.status) & 2)
3259 if (ai->wifidev == NULL)
3262 bap_setup(ai, fid, 0x36, BAP0);
3263 bap_read(ai, &hdr.len, 2, BAP0);
3265 len = le16_to_cpu(hdr.len);
3267 if (len > AIRO_DEF_MTU) {
3268 airo_print_err(ai->dev->name, "Bad size %d", len);
3274 if (test_bit(FLAG_802_11, &ai->flags)) {
3275 bap_read(ai, &fc, sizeof (fc), BAP0);
3276 hdrlen = header_len(fc);
3278 hdrlen = ETH_ALEN * 2;
3280 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3282 ai->dev->stats.rx_dropped++;
3286 skb_reserve(skb, 2); /* This way the IP header is aligned */
3287 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3288 if (test_bit(FLAG_802_11, &ai->flags)) {
3290 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3292 bap_read(ai, tmpbuf, 6, BAP0);
3294 bap_read(ai, &v, sizeof(v), BAP0);
3295 gap = le16_to_cpu(v);
3298 bap_read(ai, tmpbuf, gap, BAP0);
3300 airo_print_err(ai->dev->name, "gaplen too "
3301 "big. Problems will follow...");
3304 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3308 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3309 if (ai->micstats.enabled) {
3310 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3311 if (ntohs(micbuf.typelen) > 0x05DC)
3312 bap_setup(ai, fid, 0x44, BAP0);
3314 if (len <= sizeof (micbuf)) {
3315 dev_kfree_skb_irq(skb);
3319 len -= sizeof(micbuf);
3320 skb_trim(skb, len + hdrlen);
3324 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3325 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3326 dev_kfree_skb_irq (skb);
3332 if (success && (ai->spy_data.spy_number > 0)) {
3334 struct iw_quality wstats;
3336 /* Prepare spy data : addr + qual */
3337 if (!test_bit(FLAG_802_11, &ai->flags)) {
3338 sa = (char *) buffer + 6;
3339 bap_setup(ai, fid, 8, BAP0);
3340 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3342 sa = (char *) buffer + 10;
3343 wstats.qual = hdr.rssi[0];
3345 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3347 wstats.level = (hdr.rssi[1] + 321) / 2;
3348 wstats.noise = ai->wstats.qual.noise;
3349 wstats.updated = IW_QUAL_LEVEL_UPDATED
3350 | IW_QUAL_QUAL_UPDATED
3352 /* Update spy records */
3353 wireless_spy_update(ai->dev, sa, &wstats);
3355 #endif /* WIRELESS_SPY */
3358 OUT4500(ai, EVACK, EV_RX);
3361 if (test_bit(FLAG_802_11, &ai->flags)) {
3362 skb_reset_mac_header(skb);
3363 skb->pkt_type = PACKET_OTHERHOST;
3364 skb->dev = ai->wifidev;
3365 skb->protocol = htons(ETH_P_802_2);
3367 skb->protocol = eth_type_trans(skb, ai->dev);
3368 skb->ip_summed = CHECKSUM_NONE;
3374 static void airo_handle_tx(struct airo_info *ai, u16 status)
3376 int i, len = 0, index = -1;
3379 if (test_bit(FLAG_MPI, &ai->flags)) {
3380 unsigned long flags;
3382 if (status & EV_TXEXC)
3383 get_tx_error(ai, -1);
3385 spin_lock_irqsave(&ai->aux_lock, flags);
3386 if (!skb_queue_empty(&ai->txq)) {
3387 spin_unlock_irqrestore(&ai->aux_lock,flags);
3388 mpi_send_packet(ai->dev);
3390 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3391 spin_unlock_irqrestore(&ai->aux_lock,flags);
3392 netif_wake_queue(ai->dev);
3394 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3398 fid = IN4500(ai, TXCOMPLFID);
3400 for(i = 0; i < MAX_FIDS; i++) {
3401 if ((ai->fids[i] & 0xffff) == fid) {
3402 len = ai->fids[i] >> 16;
3408 if (status & EV_TXEXC)
3409 get_tx_error(ai, index);
3411 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3413 /* Set up to be used again */
3414 ai->fids[index] &= 0xffff;
3415 if (index < MAX_FIDS / 2) {
3416 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3417 netif_wake_queue(ai->dev);
3419 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3420 netif_wake_queue(ai->wifidev);
3423 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3424 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3428 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3430 struct net_device *dev = dev_id;
3431 u16 status, savedInterrupts = 0;
3432 struct airo_info *ai = dev->ml_priv;
3435 if (!netif_device_present(dev))
3439 status = IN4500(ai, EVSTAT);
3440 if (!(status & STATUS_INTS) || (status == 0xffff))
3445 if (status & EV_AWAKE) {
3446 OUT4500(ai, EVACK, EV_AWAKE);
3447 OUT4500(ai, EVACK, EV_AWAKE);
3450 if (!savedInterrupts) {
3451 savedInterrupts = IN4500(ai, EVINTEN);
3452 OUT4500(ai, EVINTEN, 0);
3455 if (status & EV_MIC) {
3456 OUT4500(ai, EVACK, EV_MIC);
3457 airo_handle_cisco_mic(ai);
3460 if (status & EV_LINK) {
3461 /* Link status changed */
3462 airo_handle_link(ai);
3465 /* Check to see if there is something to receive */
3469 /* Check to see if a packet has been transmitted */
3470 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3471 airo_handle_tx(ai, status);
3473 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3474 airo_print_warn(ai->dev->name, "Got weird status %x",
3475 status & ~STATUS_INTS & ~IGNORE_INTS );
3479 if (savedInterrupts)
3480 OUT4500(ai, EVINTEN, savedInterrupts);
3482 return IRQ_RETVAL(handled);
3486 * Routines to talk to the card
3490 * This was originally written for the 4500, hence the name
3491 * NOTE: If use with 8bit mode and SMP bad things will happen!
3492 * Why would some one do 8 bit IO in an SMP machine?!?
3494 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3495 if (test_bit(FLAG_MPI,&ai->flags))
3498 outw( val, ai->dev->base_addr + reg );
3500 outb( val & 0xff, ai->dev->base_addr + reg );
3501 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3505 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3508 if (test_bit(FLAG_MPI,&ai->flags))
3511 rc = inw( ai->dev->base_addr + reg );
3513 rc = inb( ai->dev->base_addr + reg );
3514 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3519 static int enable_MAC(struct airo_info *ai, int lock)
3525 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3526 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3527 * Note : we could try to use !netif_running(dev) in enable_MAC()
3528 * instead of this flag, but I don't trust it *within* the
3529 * open/close functions, and testing both flags together is
3530 * "cheaper" - Jean II */
3531 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3533 if (lock && down_interruptible(&ai->sem))
3534 return -ERESTARTSYS;
3536 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3537 memset(&cmd, 0, sizeof(cmd));
3538 cmd.cmd = MAC_ENABLE;
3539 rc = issuecommand(ai, &cmd, &rsp);
3541 set_bit(FLAG_ENABLED, &ai->flags);
3549 airo_print_err(ai->dev->name, "Cannot enable MAC");
3550 else if ((rsp.status & 0xFF00) != 0) {
3551 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3552 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3558 static void disable_MAC( struct airo_info *ai, int lock ) {
3562 if (lock && down_interruptible(&ai->sem))
3565 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3566 memset(&cmd, 0, sizeof(cmd));
3567 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3568 issuecommand(ai, &cmd, &rsp);
3569 clear_bit(FLAG_ENABLED, &ai->flags);
3575 static void enable_interrupts( struct airo_info *ai ) {
3576 /* Enable the interrupts */
3577 OUT4500( ai, EVINTEN, STATUS_INTS );
3580 static void disable_interrupts( struct airo_info *ai ) {
3581 OUT4500( ai, EVINTEN, 0 );
3584 static void mpi_receive_802_3(struct airo_info *ai)
3588 struct sk_buff *skb;
3593 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3594 /* Make sure we got something */
3595 if (rxd.rdy && rxd.valid == 0) {
3597 if (len < 12 || len > 2048)
3600 skb = dev_alloc_skb(len);
3602 ai->dev->stats.rx_dropped++;
3605 buffer = skb_put(skb,len);
3606 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3607 if (ai->micstats.enabled) {
3609 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3611 if (ntohs(micbuf.typelen) <= 0x05DC) {
3612 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3615 off = sizeof(micbuf);
3616 skb_trim (skb, len - off);
3619 memcpy(buffer + ETH_ALEN * 2,
3620 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3621 len - ETH_ALEN * 2 - off);
3622 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3624 dev_kfree_skb_irq (skb);
3628 if (ai->spy_data.spy_number > 0) {
3630 struct iw_quality wstats;
3631 /* Prepare spy data : addr + qual */
3632 sa = buffer + ETH_ALEN;
3633 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3636 /* Update spy records */
3637 wireless_spy_update(ai->dev, sa, &wstats);
3639 #endif /* WIRELESS_SPY */
3641 skb->ip_summed = CHECKSUM_NONE;
3642 skb->protocol = eth_type_trans(skb, ai->dev);
3646 if (rxd.valid == 0) {
3650 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3654 static void mpi_receive_802_11(struct airo_info *ai)
3657 struct sk_buff *skb = NULL;
3658 u16 len, hdrlen = 0;
3663 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3665 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3666 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3668 /* Bad CRC. Ignore packet */
3669 if (le16_to_cpu(hdr.status) & 2)
3671 if (ai->wifidev == NULL)
3673 len = le16_to_cpu(hdr.len);
3674 if (len > AIRO_DEF_MTU) {
3675 airo_print_err(ai->dev->name, "Bad size %d", len);
3681 fc = get_unaligned((__le16 *)ptr);
3682 hdrlen = header_len(fc);
3684 skb = dev_alloc_skb( len + hdrlen + 2 );
3686 ai->dev->stats.rx_dropped++;
3689 buffer = (u16*)skb_put (skb, len + hdrlen);
3690 memcpy ((char *)buffer, ptr, hdrlen);
3694 gap = get_unaligned_le16(ptr);
3695 ptr += sizeof(__le16);
3700 airo_print_err(ai->dev->name,
3701 "gaplen too big. Problems will follow...");
3703 memcpy ((char *)buffer + hdrlen, ptr, len);
3705 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3706 if (ai->spy_data.spy_number > 0) {
3708 struct iw_quality wstats;
3709 /* Prepare spy data : addr + qual */
3710 sa = (char*)buffer + 10;
3711 wstats.qual = hdr.rssi[0];
3713 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3715 wstats.level = (hdr.rssi[1] + 321) / 2;
3716 wstats.noise = ai->wstats.qual.noise;
3717 wstats.updated = IW_QUAL_QUAL_UPDATED
3718 | IW_QUAL_LEVEL_UPDATED
3720 /* Update spy records */
3721 wireless_spy_update(ai->dev, sa, &wstats);
3723 #endif /* IW_WIRELESS_SPY */
3724 skb_reset_mac_header(skb);
3725 skb->pkt_type = PACKET_OTHERHOST;
3726 skb->dev = ai->wifidev;
3727 skb->protocol = htons(ETH_P_802_2);
3728 skb->ip_summed = CHECKSUM_NONE;
3732 if (rxd.valid == 0) {
3736 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3740 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3751 memset( &mySsid, 0, sizeof( mySsid ) );
3755 /* The NOP is the first step in getting the card going */
3757 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3758 if (lock && down_interruptible(&ai->sem))
3760 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3765 disable_MAC( ai, 0);
3767 // Let's figure out if we need to use the AUX port
3768 if (!test_bit(FLAG_MPI,&ai->flags)) {
3769 cmd.cmd = CMD_ENABLEAUX;
3770 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3773 airo_print_err(ai->dev->name, "Error checking for AUX port");
3776 if (!aux_bap || rsp.status & 0xff00) {
3777 ai->bap_read = fast_bap_read;
3778 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3780 ai->bap_read = aux_bap_read;
3781 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3786 if (ai->config.len == 0) {
3787 tdsRssiRid rssi_rid;
3788 CapabilityRid cap_rid;
3794 // general configuration (read/modify/write)
3795 status = readConfigRid(ai, lock);
3796 if ( status != SUCCESS ) return ERROR;
3798 status = readCapabilityRid(ai, &cap_rid, lock);
3799 if ( status != SUCCESS ) return ERROR;
3801 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3802 if ( status == SUCCESS ) {
3803 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3804 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3809 if (cap_rid.softCap & cpu_to_le16(8))
3810 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3812 airo_print_warn(ai->dev->name, "unknown received signal "
3815 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3816 ai->config.authType = AUTH_OPEN;
3817 ai->config.modulation = MOD_CCK;
3819 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3820 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3821 micsetup(ai) == SUCCESS) {
3822 ai->config.opmode |= MODE_MIC;
3823 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3826 /* Save off the MAC */
3827 for( i = 0; i < ETH_ALEN; i++ ) {
3828 mac[i] = ai->config.macAddr[i];
3831 /* Check to see if there are any insmod configured
3835 memset(ai->config.rates,0,sizeof(ai->config.rates));
3836 for( i = 0; i < 8 && rates[i]; i++ ) {
3837 ai->config.rates[i] = rates[i];
3840 if ( basic_rate > 0 ) {
3842 for( i = 0; i < 8; i++ ) {
3843 if ( ai->config.rates[i] == basic_rate ||
3844 !ai->config.rates ) {
3845 ai->config.rates[i] = basic_rate | 0x80;
3850 set_bit (FLAG_COMMIT, &ai->flags);
3853 /* Setup the SSIDs if present */
3856 for( i = 0; i < 3 && ssids[i]; i++ ) {
3857 size_t len = strlen(ssids[i]);
3860 mySsid.ssids[i].len = cpu_to_le16(len);
3861 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3863 mySsid.len = cpu_to_le16(sizeof(mySsid));
3866 status = writeConfigRid(ai, lock);
3867 if ( status != SUCCESS ) return ERROR;
3869 /* Set up the SSID list */
3871 status = writeSsidRid(ai, &mySsid, lock);
3872 if ( status != SUCCESS ) return ERROR;
3875 status = enable_MAC(ai, lock);
3876 if (status != SUCCESS)
3879 /* Grab the initial wep key, we gotta save it for auto_wep */
3880 rc = readWepKeyRid(ai, &wkr, 1, lock);
3881 if (rc == SUCCESS) do {
3882 lastindex = wkr.kindex;
3883 if (wkr.kindex == cpu_to_le16(0xffff)) {
3884 ai->defindex = wkr.mac[0];
3886 rc = readWepKeyRid(ai, &wkr, 0, lock);
3887 } while(lastindex != wkr.kindex);
3894 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3895 // Im really paranoid about letting it run forever!
3896 int max_tries = 600000;
3898 if (IN4500(ai, EVSTAT) & EV_CMD)
3899 OUT4500(ai, EVACK, EV_CMD);
3901 OUT4500(ai, PARAM0, pCmd->parm0);
3902 OUT4500(ai, PARAM1, pCmd->parm1);
3903 OUT4500(ai, PARAM2, pCmd->parm2);
3904 OUT4500(ai, COMMAND, pCmd->cmd);
3906 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3907 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3908 // PC4500 didn't notice command, try again
3909 OUT4500(ai, COMMAND, pCmd->cmd);
3910 if (!in_atomic() && (max_tries & 255) == 0)
3914 if ( max_tries == -1 ) {
3915 airo_print_err(ai->dev->name,
3916 "Max tries exceeded when issueing command");
3917 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3918 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3922 // command completed
3923 pRsp->status = IN4500(ai, STATUS);
3924 pRsp->rsp0 = IN4500(ai, RESP0);
3925 pRsp->rsp1 = IN4500(ai, RESP1);
3926 pRsp->rsp2 = IN4500(ai, RESP2);
3927 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3928 airo_print_err(ai->dev->name,
3929 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3930 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3933 // clear stuck command busy if necessary
3934 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3935 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3937 // acknowledge processing the status/response
3938 OUT4500(ai, EVACK, EV_CMD);
3943 /* Sets up the bap to start exchange data. whichbap should
3944 * be one of the BAP0 or BAP1 defines. Locks should be held before
3946 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3951 OUT4500(ai, SELECT0+whichbap, rid);
3952 OUT4500(ai, OFFSET0+whichbap, offset);
3954 int status = IN4500(ai, OFFSET0+whichbap);
3955 if (status & BAP_BUSY) {
3956 /* This isn't really a timeout, but its kinda
3961 } else if ( status & BAP_ERR ) {
3962 /* invalid rid or offset */
3963 airo_print_err(ai->dev->name, "BAP error %x %d",
3966 } else if (status & BAP_DONE) { // success
3969 if ( !(max_tries--) ) {
3970 airo_print_err(ai->dev->name,
3971 "BAP setup error too many retries\n");
3974 // -- PC4500 missed it, try again
3975 OUT4500(ai, SELECT0+whichbap, rid);
3976 OUT4500(ai, OFFSET0+whichbap, offset);
3981 /* should only be called by aux_bap_read. This aux function and the
3982 following use concepts not documented in the developers guide. I
3983 got them from a patch given to my by Aironet */
3984 static u16 aux_setup(struct airo_info *ai, u16 page,
3985 u16 offset, u16 *len)
3989 OUT4500(ai, AUXPAGE, page);
3990 OUT4500(ai, AUXOFF, 0);
3991 next = IN4500(ai, AUXDATA);
3992 *len = IN4500(ai, AUXDATA)&0xff;
3993 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3997 /* requires call to bap_setup() first */
3998 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3999 int bytelen, int whichbap)
4007 unsigned long flags;
4009 spin_lock_irqsave(&ai->aux_lock, flags);
4010 page = IN4500(ai, SWS0+whichbap);
4011 offset = IN4500(ai, SWS2+whichbap);
4012 next = aux_setup(ai, page, offset, &len);
4013 words = (bytelen+1)>>1;
4015 for (i=0; i<words;) {
4017 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4019 insw( ai->dev->base_addr+DATA0+whichbap,
4022 insb( ai->dev->base_addr+DATA0+whichbap,
4023 pu16Dst+i, count << 1 );
4026 next = aux_setup(ai, next, 4, &len);
4029 spin_unlock_irqrestore(&ai->aux_lock, flags);
4034 /* requires call to bap_setup() first */
4035 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4036 int bytelen, int whichbap)
4038 bytelen = (bytelen + 1) & (~1); // round up to even value
4040 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4042 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4046 /* requires call to bap_setup() first */
4047 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4048 int bytelen, int whichbap)
4050 bytelen = (bytelen + 1) & (~1); // round up to even value
4052 outsw( ai->dev->base_addr+DATA0+whichbap,
4053 pu16Src, bytelen>>1 );
4055 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4059 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4061 Cmd cmd; /* for issuing commands */
4062 Resp rsp; /* response from commands */
4065 memset(&cmd, 0, sizeof(cmd));
4068 status = issuecommand(ai, &cmd, &rsp);
4069 if (status != 0) return status;
4070 if ( (rsp.status & 0x7F00) != 0) {
4071 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4076 /* Note, that we are using BAP1 which is also used by transmit, so
4077 * we must get a lock. */
4078 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4084 if (down_interruptible(&ai->sem))
4087 if (test_bit(FLAG_MPI,&ai->flags)) {
4091 memset(&cmd, 0, sizeof(cmd));
4092 memset(&rsp, 0, sizeof(rsp));
4093 ai->config_desc.rid_desc.valid = 1;
4094 ai->config_desc.rid_desc.len = RIDSIZE;
4095 ai->config_desc.rid_desc.rid = 0;
4096 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4098 cmd.cmd = CMD_ACCESS;
4101 memcpy_toio(ai->config_desc.card_ram_off,
4102 &ai->config_desc.rid_desc, sizeof(Rid));
4104 rc = issuecommand(ai, &cmd, &rsp);
4106 if (rsp.status & 0x7f00)
4109 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4112 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4116 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4120 // read the rid length field
4121 bap_read(ai, pBuf, 2, BAP1);
4122 // length for remaining part of rid
4123 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4126 airo_print_err(ai->dev->name,
4127 "Rid %x has a length of %d which is too short",
4128 (int)rid, (int)len );
4132 // read remainder of the rid
4133 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4141 /* Note, that we are using BAP1 which is also used by transmit, so
4142 * make sure this isnt called when a transmit is happening */
4143 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4144 const void *pBuf, int len, int lock)
4149 *(__le16*)pBuf = cpu_to_le16((u16)len);
4152 if (down_interruptible(&ai->sem))
4155 if (test_bit(FLAG_MPI,&ai->flags)) {
4159 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4160 airo_print_err(ai->dev->name,
4161 "%s: MAC should be disabled (rid=%04x)",
4163 memset(&cmd, 0, sizeof(cmd));
4164 memset(&rsp, 0, sizeof(rsp));
4166 ai->config_desc.rid_desc.valid = 1;
4167 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4168 ai->config_desc.rid_desc.rid = 0;
4170 cmd.cmd = CMD_WRITERID;
4173 memcpy_toio(ai->config_desc.card_ram_off,
4174 &ai->config_desc.rid_desc, sizeof(Rid));
4176 if (len < 4 || len > 2047) {
4177 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4180 memcpy((char *)ai->config_desc.virtual_host_addr,
4183 rc = issuecommand(ai, &cmd, &rsp);
4184 if ((rc & 0xff00) != 0) {
4185 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4187 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4191 if ((rsp.status & 0x7f00))
4195 // --- first access so that we can write the rid data
4196 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4200 // --- now write the rid data
4201 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4205 bap_write(ai, pBuf, len, BAP1);
4206 // ---now commit the rid data
4207 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4215 /* Allocates a FID to be used for transmitting packets. We only use
4217 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4219 unsigned int loop = 3000;
4225 cmd.cmd = CMD_ALLOCATETX;
4226 cmd.parm0 = lenPayload;
4227 if (down_interruptible(&ai->sem))
4229 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4233 if ( (rsp.status & 0xFF00) != 0) {
4237 /* wait for the allocate event/indication
4238 * It makes me kind of nervous that this can just sit here and spin,
4239 * but in practice it only loops like four times. */
4240 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4246 // get the allocated fid and acknowledge
4247 txFid = IN4500(ai, TXALLOCFID);
4248 OUT4500(ai, EVACK, EV_ALLOC);
4250 /* The CARD is pretty cool since it converts the ethernet packet
4251 * into 802.11. Also note that we don't release the FID since we
4252 * will be using the same one over and over again. */
4253 /* We only have to setup the control once since we are not
4254 * releasing the fid. */
4256 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4257 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4259 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4260 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4261 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4264 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4272 /* In general BAP1 is dedicated to transmiting packets. However,
4273 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4274 Make sure the BAP1 spinlock is held when this is called. */
4275 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4286 if (len <= ETH_ALEN * 2) {
4287 airo_print_warn(ai->dev->name, "Short packet %d", len);
4290 len -= ETH_ALEN * 2;
4292 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4293 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4294 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4296 miclen = sizeof(pMic);
4298 // packet is destination[6], source[6], payload[len-12]
4299 // write the payload length and dst/src/payload
4300 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4301 /* The hardware addresses aren't counted as part of the payload, so
4302 * we have to subtract the 12 bytes for the addresses off */
4303 payloadLen = cpu_to_le16(len + miclen);
4304 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4305 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4307 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4308 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4309 // issue the transmit command
4310 memset( &cmd, 0, sizeof( cmd ) );
4311 cmd.cmd = CMD_TRANSMIT;
4313 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4314 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4318 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4320 __le16 fc, payloadLen;
4324 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4325 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4329 fc = *(__le16*)pPacket;
4330 hdrlen = header_len(fc);
4333 airo_print_warn(ai->dev->name, "Short packet %d", len);
4337 /* packet is 802.11 header + payload
4338 * write the payload length and dst/src/payload */
4339 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4340 /* The 802.11 header aren't counted as part of the payload, so
4341 * we have to subtract the header bytes off */
4342 payloadLen = cpu_to_le16(len-hdrlen);
4343 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4344 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4345 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4346 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4348 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4349 // issue the transmit command
4350 memset( &cmd, 0, sizeof( cmd ) );
4351 cmd.cmd = CMD_TRANSMIT;
4353 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4354 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4359 * This is the proc_fs routines. It is a bit messier than I would
4360 * like! Feel free to clean it up!
4363 static ssize_t proc_read( struct file *file,
4364 char __user *buffer,
4368 static ssize_t proc_write( struct file *file,
4369 const char __user *buffer,
4372 static int proc_close( struct inode *inode, struct file *file );
4374 static int proc_stats_open( struct inode *inode, struct file *file );
4375 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4376 static int proc_status_open( struct inode *inode, struct file *file );
4377 static int proc_SSID_open( struct inode *inode, struct file *file );
4378 static int proc_APList_open( struct inode *inode, struct file *file );
4379 static int proc_BSSList_open( struct inode *inode, struct file *file );
4380 static int proc_config_open( struct inode *inode, struct file *file );
4381 static int proc_wepkey_open( struct inode *inode, struct file *file );
4383 static const struct file_operations proc_statsdelta_ops = {
4384 .owner = THIS_MODULE,
4386 .open = proc_statsdelta_open,
4387 .release = proc_close
4390 static const struct file_operations proc_stats_ops = {
4391 .owner = THIS_MODULE,
4393 .open = proc_stats_open,
4394 .release = proc_close
4397 static const struct file_operations proc_status_ops = {
4398 .owner = THIS_MODULE,
4400 .open = proc_status_open,
4401 .release = proc_close
4404 static const struct file_operations proc_SSID_ops = {
4405 .owner = THIS_MODULE,
4407 .write = proc_write,
4408 .open = proc_SSID_open,
4409 .release = proc_close
4412 static const struct file_operations proc_BSSList_ops = {
4413 .owner = THIS_MODULE,
4415 .write = proc_write,
4416 .open = proc_BSSList_open,
4417 .release = proc_close
4420 static const struct file_operations proc_APList_ops = {
4421 .owner = THIS_MODULE,
4423 .write = proc_write,
4424 .open = proc_APList_open,
4425 .release = proc_close
4428 static const struct file_operations proc_config_ops = {
4429 .owner = THIS_MODULE,
4431 .write = proc_write,
4432 .open = proc_config_open,
4433 .release = proc_close
4436 static const struct file_operations proc_wepkey_ops = {
4437 .owner = THIS_MODULE,
4439 .write = proc_write,
4440 .open = proc_wepkey_open,
4441 .release = proc_close
4444 static struct proc_dir_entry *airo_entry;
4453 void (*on_close) (struct inode *, struct file *);
4456 static int setup_proc_entry( struct net_device *dev,
4457 struct airo_info *apriv ) {
4458 struct proc_dir_entry *entry;
4459 /* First setup the device directory */
4460 strcpy(apriv->proc_name,dev->name);
4461 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4464 if (!apriv->proc_entry)
4466 apriv->proc_entry->uid = proc_uid;
4467 apriv->proc_entry->gid = proc_gid;
4468 apriv->proc_entry->owner = THIS_MODULE;
4470 /* Setup the StatsDelta */
4471 entry = proc_create_data("StatsDelta",
4472 S_IFREG | (S_IRUGO&proc_perm),
4473 apriv->proc_entry, &proc_statsdelta_ops, dev);
4475 goto fail_stats_delta;
4476 entry->uid = proc_uid;
4477 entry->gid = proc_gid;
4479 /* Setup the Stats */
4480 entry = proc_create_data("Stats",
4481 S_IFREG | (S_IRUGO&proc_perm),
4482 apriv->proc_entry, &proc_stats_ops, dev);
4485 entry->uid = proc_uid;
4486 entry->gid = proc_gid;
4488 /* Setup the Status */
4489 entry = proc_create_data("Status",
4490 S_IFREG | (S_IRUGO&proc_perm),
4491 apriv->proc_entry, &proc_status_ops, dev);
4494 entry->uid = proc_uid;
4495 entry->gid = proc_gid;
4497 /* Setup the Config */
4498 entry = proc_create_data("Config",
4499 S_IFREG | proc_perm,
4500 apriv->proc_entry, &proc_config_ops, dev);
4503 entry->uid = proc_uid;
4504 entry->gid = proc_gid;
4506 /* Setup the SSID */
4507 entry = proc_create_data("SSID",
4508 S_IFREG | proc_perm,
4509 apriv->proc_entry, &proc_SSID_ops, dev);
4512 entry->uid = proc_uid;
4513 entry->gid = proc_gid;
4515 /* Setup the APList */
4516 entry = proc_create_data("APList",
4517 S_IFREG | proc_perm,
4518 apriv->proc_entry, &proc_APList_ops, dev);
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
4524 /* Setup the BSSList */
4525 entry = proc_create_data("BSSList",
4526 S_IFREG | proc_perm,
4527 apriv->proc_entry, &proc_BSSList_ops, dev);
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
4533 /* Setup the WepKey */
4534 entry = proc_create_data("WepKey",
4535 S_IFREG | proc_perm,
4536 apriv->proc_entry, &proc_wepkey_ops, dev);
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
4545 remove_proc_entry("BSSList", apriv->proc_entry);
4547 remove_proc_entry("APList", apriv->proc_entry);
4549 remove_proc_entry("SSID", apriv->proc_entry);
4551 remove_proc_entry("Config", apriv->proc_entry);
4553 remove_proc_entry("Status", apriv->proc_entry);
4555 remove_proc_entry("Stats", apriv->proc_entry);
4557 remove_proc_entry("StatsDelta", apriv->proc_entry);
4559 remove_proc_entry(apriv->proc_name, airo_entry);
4564 static int takedown_proc_entry( struct net_device *dev,
4565 struct airo_info *apriv ) {
4566 if ( !apriv->proc_entry->namelen ) return 0;
4567 remove_proc_entry("Stats",apriv->proc_entry);
4568 remove_proc_entry("StatsDelta",apriv->proc_entry);
4569 remove_proc_entry("Status",apriv->proc_entry);
4570 remove_proc_entry("Config",apriv->proc_entry);
4571 remove_proc_entry("SSID",apriv->proc_entry);
4572 remove_proc_entry("APList",apriv->proc_entry);
4573 remove_proc_entry("BSSList",apriv->proc_entry);
4574 remove_proc_entry("WepKey",apriv->proc_entry);
4575 remove_proc_entry(apriv->proc_name,airo_entry);
4580 * What we want from the proc_fs is to be able to efficiently read
4581 * and write the configuration. To do this, we want to read the
4582 * configuration when the file is opened and write it when the file is
4583 * closed. So basically we allocate a read buffer at open and fill it
4584 * with data, and allocate a write buffer and read it at close.
4588 * The read routine is generic, it relies on the preallocated rbuffer
4589 * to supply the data.
4591 static ssize_t proc_read( struct file *file,
4592 char __user *buffer,
4596 struct proc_data *priv = file->private_data;
4601 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4606 * The write routine is generic, it fills in a preallocated rbuffer
4607 * to supply the data.
4609 static ssize_t proc_write( struct file *file,
4610 const char __user *buffer,
4614 loff_t pos = *offset;
4615 struct proc_data *priv = (struct proc_data*)file->private_data;
4622 if (pos >= priv->maxwritelen)
4624 if (len > priv->maxwritelen - pos)
4625 len = priv->maxwritelen - pos;
4626 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4628 if ( pos + len > priv->writelen )
4629 priv->writelen = len + file->f_pos;
4630 *offset = pos + len;
4634 static int proc_status_open(struct inode *inode, struct file *file)
4636 struct proc_data *data;
4637 struct proc_dir_entry *dp = PDE(inode);
4638 struct net_device *dev = dp->data;
4639 struct airo_info *apriv = dev->ml_priv;
4640 CapabilityRid cap_rid;
4641 StatusRid status_rid;
4645 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4647 data = (struct proc_data *)file->private_data;
4648 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4649 kfree (file->private_data);
4653 readStatusRid(apriv, &status_rid, 1);
4654 readCapabilityRid(apriv, &cap_rid, 1);
4656 mode = le16_to_cpu(status_rid.mode);
4658 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4659 mode & 1 ? "CFG ": "",
4660 mode & 2 ? "ACT ": "",
4661 mode & 0x10 ? "SYN ": "",
4662 mode & 0x20 ? "LNK ": "",
4663 mode & 0x40 ? "LEAP ": "",
4664 mode & 0x80 ? "PRIV ": "",
4665 mode & 0x100 ? "KEY ": "",
4666 mode & 0x200 ? "WEP ": "",
4667 mode & 0x8000 ? "ERR ": "");
4668 sprintf( data->rbuffer+i, "Mode: %x\n"
4669 "Signal Strength: %d\n"
4670 "Signal Quality: %d\n"
4675 "Driver Version: %s\n"
4676 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4677 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4678 "Software Version: %x\nSoftware Subversion: %x\n"
4679 "Boot block version: %x\n",
4680 le16_to_cpu(status_rid.mode),
4681 le16_to_cpu(status_rid.normalizedSignalStrength),
4682 le16_to_cpu(status_rid.signalQuality),
4683 le16_to_cpu(status_rid.SSIDlen),
4686 le16_to_cpu(status_rid.channel),
4687 le16_to_cpu(status_rid.currentXmitRate) / 2,
4692 le16_to_cpu(cap_rid.radioType),
4693 le16_to_cpu(cap_rid.country),
4694 le16_to_cpu(cap_rid.hardVer),
4695 le16_to_cpu(cap_rid.softVer),
4696 le16_to_cpu(cap_rid.softSubVer),
4697 le16_to_cpu(cap_rid.bootBlockVer));
4698 data->readlen = strlen( data->rbuffer );
4702 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4703 static int proc_statsdelta_open( struct inode *inode,
4704 struct file *file ) {
4705 if (file->f_mode&FMODE_WRITE) {
4706 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4708 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4711 static int proc_stats_open( struct inode *inode, struct file *file ) {
4712 return proc_stats_rid_open(inode, file, RID_STATS);
4715 static int proc_stats_rid_open( struct inode *inode,
4719 struct proc_data *data;
4720 struct proc_dir_entry *dp = PDE(inode);
4721 struct net_device *dev = dp->data;
4722 struct airo_info *apriv = dev->ml_priv;
4725 __le32 *vals = stats.vals;
4726 int len = le16_to_cpu(stats.len);
4728 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4730 data = (struct proc_data *)file->private_data;
4731 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4732 kfree (file->private_data);
4736 readStatsRid(apriv, &stats, rid, 1);
4739 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4740 if (!statsLabels[i]) continue;
4741 if (j+strlen(statsLabels[i])+16>4096) {
4742 airo_print_warn(apriv->dev->name,
4743 "Potentially disasterous buffer overflow averted!");
4746 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4747 le32_to_cpu(vals[i]));
4750 airo_print_warn(apriv->dev->name, "Got a short rid");
4756 static int get_dec_u16( char *buffer, int *start, int limit ) {
4759 for( value = 0; buffer[*start] >= '0' &&
4760 buffer[*start] <= '9' &&
4761 *start < limit; (*start)++ ) {
4764 value += buffer[*start] - '0';
4766 if ( !valid ) return -1;
4770 static int airo_config_commit(struct net_device *dev,
4771 struct iw_request_info *info, void *zwrq,
4774 static inline int sniffing_mode(struct airo_info *ai)
4776 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4777 le16_to_cpu(RXMODE_RFMON);
4780 static void proc_config_on_close(struct inode *inode, struct file *file)
4782 struct proc_data *data = file->private_data;
4783 struct proc_dir_entry *dp = PDE(inode);
4784 struct net_device *dev = dp->data;
4785 struct airo_info *ai = dev->ml_priv;
4788 if ( !data->writelen ) return;
4790 readConfigRid(ai, 1);
4791 set_bit (FLAG_COMMIT, &ai->flags);
4793 line = data->wbuffer;
4795 /*** Mode processing */
4796 if ( !strncmp( line, "Mode: ", 6 ) ) {
4798 if (sniffing_mode(ai))
4799 set_bit (FLAG_RESET, &ai->flags);
4800 ai->config.rmode &= ~RXMODE_FULL_MASK;
4801 clear_bit (FLAG_802_11, &ai->flags);
4802 ai->config.opmode &= ~MODE_CFG_MASK;
4803 ai->config.scanMode = SCANMODE_ACTIVE;
4804 if ( line[0] == 'a' ) {
4805 ai->config.opmode |= MODE_STA_IBSS;
4807 ai->config.opmode |= MODE_STA_ESS;
4808 if ( line[0] == 'r' ) {
4809 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4810 ai->config.scanMode = SCANMODE_PASSIVE;
4811 set_bit (FLAG_802_11, &ai->flags);
4812 } else if ( line[0] == 'y' ) {
4813 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4814 ai->config.scanMode = SCANMODE_PASSIVE;
4815 set_bit (FLAG_802_11, &ai->flags);
4816 } else if ( line[0] == 'l' )
4817 ai->config.rmode |= RXMODE_LANMON;
4819 set_bit (FLAG_COMMIT, &ai->flags);
4822 /*** Radio status */
4823 else if (!strncmp(line,"Radio: ", 7)) {
4825 if (!strncmp(line,"off",3)) {
4826 set_bit (FLAG_RADIO_OFF, &ai->flags);
4828 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4831 /*** NodeName processing */
4832 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4836 memset( ai->config.nodeName, 0, 16 );
4837 /* Do the name, assume a space between the mode and node name */
4838 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4839 ai->config.nodeName[j] = line[j];
4841 set_bit (FLAG_COMMIT, &ai->flags);
4844 /*** PowerMode processing */
4845 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4847 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4848 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4849 set_bit (FLAG_COMMIT, &ai->flags);
4850 } else if ( !strncmp( line, "PSP", 3 ) ) {
4851 ai->config.powerSaveMode = POWERSAVE_PSP;
4852 set_bit (FLAG_COMMIT, &ai->flags);
4854 ai->config.powerSaveMode = POWERSAVE_CAM;
4855 set_bit (FLAG_COMMIT, &ai->flags);
4857 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4858 int v, i = 0, k = 0; /* i is index into line,
4859 k is index to rates */
4862 while((v = get_dec_u16(line, &i, 3))!=-1) {
4863 ai->config.rates[k++] = (u8)v;
4867 set_bit (FLAG_COMMIT, &ai->flags);
4868 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4871 v = get_dec_u16(line, &i, i+3);
4873 ai->config.channelSet = cpu_to_le16(v);
4874 set_bit (FLAG_COMMIT, &ai->flags);
4876 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4879 v = get_dec_u16(line, &i, i+3);
4881 ai->config.txPower = cpu_to_le16(v);
4882 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4888 ai->config.authType = AUTH_SHAREDKEY;
4891 ai->config.authType = AUTH_ENCRYPT;
4894 ai->config.authType = AUTH_OPEN;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4902 v = get_dec_u16(line, &i, 3);
4903 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4904 ai->config.longRetryLimit = cpu_to_le16(v);
4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4910 v = get_dec_u16(line, &i, 3);
4911 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4912 ai->config.shortRetryLimit = cpu_to_le16(v);
4913 set_bit (FLAG_COMMIT, &ai->flags);
4914 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4918 v = get_dec_u16(line, &i, 4);
4919 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4920 ai->config.rtsThres = cpu_to_le16(v);
4921 set_bit (FLAG_COMMIT, &ai->flags);
4922 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4926 v = get_dec_u16(line, &i, 5);
4928 ai->config.txLifetime = cpu_to_le16(v);
4929 set_bit (FLAG_COMMIT, &ai->flags);
4930 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4934 v = get_dec_u16(line, &i, 5);
4936 ai->config.rxLifetime = cpu_to_le16(v);
4937 set_bit (FLAG_COMMIT, &ai->flags);
4938 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4939 ai->config.txDiversity =
4940 (line[13]=='l') ? 1 :
4941 ((line[13]=='r')? 2: 3);
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4944 ai->config.rxDiversity =
4945 (line[13]=='l') ? 1 :
4946 ((line[13]=='r')? 2: 3);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4952 v = get_dec_u16(line, &i, 4);
4953 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4954 v = v & 0xfffe; /* Make sure its even */
4955 ai->config.fragThresh = cpu_to_le16(v);
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if (!strncmp(line, "Modulation: ", 12)) {
4960 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4961 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4962 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4965 } else if (!strncmp(line, "Preamble: ", 10)) {
4968 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4969 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4970 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4971 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4974 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4976 while( line[0] && line[0] != '\n' ) line++;
4977 if ( line[0] ) line++;
4979 airo_config_commit(dev, NULL, NULL, NULL);
4982 static char *get_rmode(__le16 mode)
4984 switch(mode & RXMODE_MASK) {
4985 case RXMODE_RFMON: return "rfmon";
4986 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4987 case RXMODE_LANMON: return "lanmon";
4992 static int proc_config_open(struct inode *inode, struct file *file)
4994 struct proc_data *data;
4995 struct proc_dir_entry *dp = PDE(inode);
4996 struct net_device *dev = dp->data;
4997 struct airo_info *ai = dev->ml_priv;
5001 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5003 data = (struct proc_data *)file->private_data;
5004 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5005 kfree (file->private_data);
5008 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5009 kfree (data->rbuffer);
5010 kfree (file->private_data);
5013 data->maxwritelen = 2048;
5014 data->on_close = proc_config_on_close;
5016 readConfigRid(ai, 1);
5018 mode = ai->config.opmode & MODE_CFG_MASK;
5019 i = sprintf( data->rbuffer,
5024 "DataRates: %d %d %d %d %d %d %d %d\n"
5027 mode == MODE_STA_IBSS ? "adhoc" :
5028 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5029 mode == MODE_AP ? "AP" :
5030 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5031 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5032 ai->config.nodeName,
5033 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5034 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5035 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5037 (int)ai->config.rates[0],
5038 (int)ai->config.rates[1],
5039 (int)ai->config.rates[2],
5040 (int)ai->config.rates[3],
5041 (int)ai->config.rates[4],
5042 (int)ai->config.rates[5],
5043 (int)ai->config.rates[6],
5044 (int)ai->config.rates[7],
5045 le16_to_cpu(ai->config.channelSet),
5046 le16_to_cpu(ai->config.txPower)
5048 sprintf( data->rbuffer + i,
5049 "LongRetryLimit: %d\n"
5050 "ShortRetryLimit: %d\n"
5051 "RTSThreshold: %d\n"
5052 "TXMSDULifetime: %d\n"
5053 "RXMSDULifetime: %d\n"
5056 "FragThreshold: %d\n"
5060 le16_to_cpu(ai->config.longRetryLimit),
5061 le16_to_cpu(ai->config.shortRetryLimit),
5062 le16_to_cpu(ai->config.rtsThres),
5063 le16_to_cpu(ai->config.txLifetime),
5064 le16_to_cpu(ai->config.rxLifetime),
5065 ai->config.txDiversity == 1 ? "left" :
5066 ai->config.txDiversity == 2 ? "right" : "both",
5067 ai->config.rxDiversity == 1 ? "left" :
5068 ai->config.rxDiversity == 2 ? "right" : "both",
5069 le16_to_cpu(ai->config.fragThresh),
5070 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5071 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5072 ai->config.modulation == MOD_DEFAULT ? "default" :
5073 ai->config.modulation == MOD_CCK ? "cck" :
5074 ai->config.modulation == MOD_MOK ? "mok" : "error",
5075 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5076 ai->config.preamble == PREAMBLE_LONG ? "long" :
5077 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5079 data->readlen = strlen( data->rbuffer );
5083 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5085 struct proc_data *data = (struct proc_data *)file->private_data;
5086 struct proc_dir_entry *dp = PDE(inode);
5087 struct net_device *dev = dp->data;
5088 struct airo_info *ai = dev->ml_priv;
5091 char *p = data->wbuffer;
5092 char *end = p + data->writelen;
5094 if (!data->writelen)
5097 *end = '\n'; /* sentinel; we have space for it */
5099 memset(&SSID_rid, 0, sizeof(SSID_rid));
5101 for (i = 0; i < 3 && p < end; i++) {
5103 /* copy up to 32 characters from this line */
5104 while (*p != '\n' && j < 32)
5105 SSID_rid.ssids[i].ssid[j++] = *p++;
5108 SSID_rid.ssids[i].len = cpu_to_le16(j);
5109 /* skip to the beginning of the next line */
5110 while (*p++ != '\n')
5114 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5116 writeSsidRid(ai, &SSID_rid, 1);
5120 static inline u8 hexVal(char c) {
5121 if (c>='0' && c<='9') return c -= '0';
5122 if (c>='a' && c<='f') return c -= 'a'-10;
5123 if (c>='A' && c<='F') return c -= 'A'-10;
5127 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5128 struct proc_data *data = (struct proc_data *)file->private_data;
5129 struct proc_dir_entry *dp = PDE(inode);
5130 struct net_device *dev = dp->data;
5131 struct airo_info *ai = dev->ml_priv;
5132 APListRid APList_rid;
5135 if ( !data->writelen ) return;
5137 memset( &APList_rid, 0, sizeof(APList_rid) );
5138 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5140 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5142 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5145 APList_rid.ap[i][j/3]=
5146 hexVal(data->wbuffer[j+i*6*3])<<4;
5149 APList_rid.ap[i][j/3]|=
5150 hexVal(data->wbuffer[j+i*6*3]);
5156 writeAPListRid(ai, &APList_rid, 1);
5160 /* This function wraps PC4500_writerid with a MAC disable */
5161 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5162 int len, int dummy ) {
5166 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5171 /* Returns the length of the key at the index. If index == 0xffff
5172 * the index of the transmit key is returned. If the key doesn't exist,
5173 * -1 will be returned.
5175 static int get_wep_key(struct airo_info *ai, u16 index) {
5180 rc = readWepKeyRid(ai, &wkr, 1, 1);
5181 if (rc == SUCCESS) do {
5182 lastindex = wkr.kindex;
5183 if (wkr.kindex == cpu_to_le16(index)) {
5184 if (index == 0xffff) {
5187 return le16_to_cpu(wkr.klen);
5189 readWepKeyRid(ai, &wkr, 0, 1);
5190 } while (lastindex != wkr.kindex);
5194 static int set_wep_key(struct airo_info *ai, u16 index,
5195 const char *key, u16 keylen, int perm, int lock )
5197 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5200 memset(&wkr, 0, sizeof(wkr));
5202 // We are selecting which key to use
5203 wkr.len = cpu_to_le16(sizeof(wkr));
5204 wkr.kindex = cpu_to_le16(0xffff);
5205 wkr.mac[0] = (char)index;
5206 if (perm) ai->defindex = (char)index;
5208 // We are actually setting the key
5209 wkr.len = cpu_to_le16(sizeof(wkr));
5210 wkr.kindex = cpu_to_le16(index);
5211 wkr.klen = cpu_to_le16(keylen);
5212 memcpy( wkr.key, key, keylen );
5213 memcpy( wkr.mac, macaddr, ETH_ALEN );
5216 if (perm) disable_MAC(ai, lock);
5217 writeWepKeyRid(ai, &wkr, perm, lock);
5218 if (perm) enable_MAC(ai, lock);
5222 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5223 struct proc_data *data;
5224 struct proc_dir_entry *dp = PDE(inode);
5225 struct net_device *dev = dp->data;
5226 struct airo_info *ai = dev->ml_priv;
5232 memset(key, 0, sizeof(key));
5234 data = (struct proc_data *)file->private_data;
5235 if ( !data->writelen ) return;
5237 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5238 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5239 index = data->wbuffer[0] - '0';
5240 if (data->wbuffer[1] == '\n') {
5241 set_wep_key(ai, index, NULL, 0, 1, 1);
5246 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5250 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5253 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5256 key[i/3] |= hexVal(data->wbuffer[i+j]);
5260 set_wep_key(ai, index, key, i/3, 1, 1);
5263 static int proc_wepkey_open( struct inode *inode, struct file *file )
5265 struct proc_data *data;
5266 struct proc_dir_entry *dp = PDE(inode);
5267 struct net_device *dev = dp->data;
5268 struct airo_info *ai = dev->ml_priv;
5275 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5277 memset(&wkr, 0, sizeof(wkr));
5278 data = (struct proc_data *)file->private_data;
5279 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5280 kfree (file->private_data);
5284 data->maxwritelen = 80;
5285 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5286 kfree (data->rbuffer);
5287 kfree (file->private_data);
5290 data->on_close = proc_wepkey_on_close;
5292 ptr = data->rbuffer;
5293 strcpy(ptr, "No wep keys\n");
5294 rc = readWepKeyRid(ai, &wkr, 1, 1);
5295 if (rc == SUCCESS) do {
5296 lastindex = wkr.kindex;
5297 if (wkr.kindex == cpu_to_le16(0xffff)) {
5298 j += sprintf(ptr+j, "Tx key = %d\n",
5301 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5302 le16_to_cpu(wkr.kindex),
5303 le16_to_cpu(wkr.klen));
5305 readWepKeyRid(ai, &wkr, 0, 1);
5306 } while((lastindex != wkr.kindex) && (j < 180-30));
5308 data->readlen = strlen( data->rbuffer );
5312 static int proc_SSID_open(struct inode *inode, struct file *file)
5314 struct proc_data *data;
5315 struct proc_dir_entry *dp = PDE(inode);
5316 struct net_device *dev = dp->data;
5317 struct airo_info *ai = dev->ml_priv;
5322 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5324 data = (struct proc_data *)file->private_data;
5325 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5326 kfree (file->private_data);
5330 data->maxwritelen = 33*3;
5331 /* allocate maxwritelen + 1; we'll want a sentinel */
5332 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5333 kfree (data->rbuffer);
5334 kfree (file->private_data);
5337 data->on_close = proc_SSID_on_close;
5339 readSsidRid(ai, &SSID_rid);
5340 ptr = data->rbuffer;
5341 for (i = 0; i < 3; i++) {
5343 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5348 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5349 *ptr++ = SSID_rid.ssids[i].ssid[j];
5353 data->readlen = strlen( data->rbuffer );
5357 static int proc_APList_open( struct inode *inode, struct file *file ) {
5358 struct proc_data *data;
5359 struct proc_dir_entry *dp = PDE(inode);
5360 struct net_device *dev = dp->data;
5361 struct airo_info *ai = dev->ml_priv;
5364 APListRid APList_rid;
5366 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5368 data = (struct proc_data *)file->private_data;
5369 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5370 kfree (file->private_data);
5374 data->maxwritelen = 4*6*3;
5375 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5376 kfree (data->rbuffer);
5377 kfree (file->private_data);
5380 data->on_close = proc_APList_on_close;
5382 readAPListRid(ai, &APList_rid);
5383 ptr = data->rbuffer;
5384 for( i = 0; i < 4; i++ ) {
5385 // We end when we find a zero MAC
5386 if ( !*(int*)APList_rid.ap[i] &&
5387 !*(int*)&APList_rid.ap[i][2]) break;
5388 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5390 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5393 data->readlen = strlen( data->rbuffer );
5397 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5398 struct proc_data *data;
5399 struct proc_dir_entry *dp = PDE(inode);
5400 struct net_device *dev = dp->data;
5401 struct airo_info *ai = dev->ml_priv;
5403 BSSListRid BSSList_rid;
5405 /* If doLoseSync is not 1, we won't do a Lose Sync */
5406 int doLoseSync = -1;
5408 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5410 data = (struct proc_data *)file->private_data;
5411 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5412 kfree (file->private_data);
5416 data->maxwritelen = 0;
5417 data->wbuffer = NULL;
5418 data->on_close = NULL;
5420 if (file->f_mode & FMODE_WRITE) {
5421 if (!(file->f_mode & FMODE_READ)) {
5425 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5426 memset(&cmd, 0, sizeof(cmd));
5427 cmd.cmd=CMD_LISTBSS;
5428 if (down_interruptible(&ai->sem))
5429 return -ERESTARTSYS;
5430 issuecommand(ai, &cmd, &rsp);
5437 ptr = data->rbuffer;
5438 /* There is a race condition here if there are concurrent opens.
5439 Since it is a rare condition, we'll just live with it, otherwise
5440 we have to add a spin lock... */
5441 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5442 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5443 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5445 (int)BSSList_rid.ssidLen,
5447 le16_to_cpu(BSSList_rid.dBm));
5448 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5449 le16_to_cpu(BSSList_rid.dsChannel),
5450 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5451 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5452 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5453 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5454 rc = readBSSListRid(ai, 0, &BSSList_rid);
5457 data->readlen = strlen( data->rbuffer );
5461 static int proc_close( struct inode *inode, struct file *file )
5463 struct proc_data *data = file->private_data;
5465 if (data->on_close != NULL)
5466 data->on_close(inode, file);
5467 kfree(data->rbuffer);
5468 kfree(data->wbuffer);
5473 /* Since the card doesn't automatically switch to the right WEP mode,
5474 we will make it do it. If the card isn't associated, every secs we
5475 will switch WEP modes to see if that will help. If the card is
5476 associated we will check every minute to see if anything has
5478 static void timer_func( struct net_device *dev ) {
5479 struct airo_info *apriv = dev->ml_priv;
5481 /* We don't have a link so try changing the authtype */
5482 readConfigRid(apriv, 0);
5483 disable_MAC(apriv, 0);
5484 switch(apriv->config.authType) {
5486 /* So drop to OPEN */
5487 apriv->config.authType = AUTH_OPEN;
5489 case AUTH_SHAREDKEY:
5490 if (apriv->keyindex < auto_wep) {
5491 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5492 apriv->config.authType = AUTH_SHAREDKEY;
5495 /* Drop to ENCRYPT */
5496 apriv->keyindex = 0;
5497 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5498 apriv->config.authType = AUTH_ENCRYPT;
5501 default: /* We'll escalate to SHAREDKEY */
5502 apriv->config.authType = AUTH_SHAREDKEY;
5504 set_bit (FLAG_COMMIT, &apriv->flags);
5505 writeConfigRid(apriv, 0);
5506 enable_MAC(apriv, 0);
5509 /* Schedule check to see if the change worked */
5510 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5511 apriv->expires = RUN_AT(HZ*3);
5515 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5516 const struct pci_device_id *pent)
5518 struct net_device *dev;
5520 if (pci_enable_device(pdev))
5522 pci_set_master(pdev);
5524 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5525 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5527 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5529 pci_disable_device(pdev);
5533 pci_set_drvdata(pdev, dev);
5537 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5539 struct net_device *dev = pci_get_drvdata(pdev);
5541 airo_print_info(dev->name, "Unregistering...");
5542 stop_airo_card(dev, 1);
5543 pci_disable_device(pdev);
5544 pci_set_drvdata(pdev, NULL);
5547 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5549 struct net_device *dev = pci_get_drvdata(pdev);
5550 struct airo_info *ai = dev->ml_priv;
5555 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5559 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5562 readAPListRid(ai, ai->APList);
5563 readSsidRid(ai, ai->SSID);
5564 memset(&cmd, 0, sizeof(cmd));
5565 /* the lock will be released at the end of the resume callback */
5566 if (down_interruptible(&ai->sem))
5569 netif_device_detach(dev);
5571 cmd.cmd = HOSTSLEEP;
5572 issuecommand(ai, &cmd, &rsp);
5574 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5575 pci_save_state(pdev);
5576 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5579 static int airo_pci_resume(struct pci_dev *pdev)
5581 struct net_device *dev = pci_get_drvdata(pdev);
5582 struct airo_info *ai = dev->ml_priv;
5583 pci_power_t prev_state = pdev->current_state;
5585 pci_set_power_state(pdev, PCI_D0);
5586 pci_restore_state(pdev);
5587 pci_enable_wake(pdev, PCI_D0, 0);
5589 if (prev_state != PCI_D1) {
5591 mpi_init_descriptors(ai);
5592 setup_card(ai, dev->dev_addr, 0);
5593 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5594 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5596 OUT4500(ai, EVACK, EV_AWAKEN);
5597 OUT4500(ai, EVACK, EV_AWAKEN);
5601 set_bit(FLAG_COMMIT, &ai->flags);
5605 writeSsidRid(ai, ai->SSID, 0);
5610 writeAPListRid(ai, ai->APList, 0);
5614 writeConfigRid(ai, 0);
5616 ai->power = PMSG_ON;
5617 netif_device_attach(dev);
5618 netif_wake_queue(dev);
5619 enable_interrupts(ai);
5625 static int __init airo_init_module( void )
5629 airo_entry = create_proc_entry("driver/aironet",
5630 S_IFDIR | airo_perm,
5634 airo_entry->uid = proc_uid;
5635 airo_entry->gid = proc_gid;
5638 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5639 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5640 "io=0x%x", irq[i], io[i] );
5641 if (init_airo_card( irq[i], io[i], 0, NULL ))
5646 airo_print_info("", "Probing for PCI adapters");
5647 i = pci_register_driver(&airo_driver);
5648 airo_print_info("", "Finished probing for PCI adapters");
5651 remove_proc_entry("driver/aironet", NULL);
5656 /* Always exit with success, as we are a library module
5657 * as well as a driver module
5662 static void __exit airo_cleanup_module( void )
5664 struct airo_info *ai;
5665 while(!list_empty(&airo_devices)) {
5666 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5667 airo_print_info(ai->dev->name, "Unregistering...");
5668 stop_airo_card(ai->dev, 1);
5671 pci_unregister_driver(&airo_driver);
5673 remove_proc_entry("driver/aironet", NULL);
5677 * Initial Wireless Extension code for Aironet driver by :
5678 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5679 * Conversion to new driver API by :
5680 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5681 * Javier also did a good amount of work here, adding some new extensions
5682 * and fixing my code. Let's just say that without him this code just
5683 * would not work at all... - Jean II
5686 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5691 return (0x100 - rssi_rid[rssi].rssidBm);
5694 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5701 for (i = 0; i < 256; i++)
5702 if (rssi_rid[i].rssidBm == dbm)
5703 return rssi_rid[i].rssipct;
5709 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5714 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5717 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5720 sq = le16_to_cpu(status_rid->signalQuality);
5721 if (memcmp(cap_rid->prodName, "350", 3))
5725 quality = 0x20 - sq;
5732 quality = 0xb0 - sq;
5736 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5737 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5739 /*------------------------------------------------------------------*/
5741 * Wireless Handler : get protocol name
5743 static int airo_get_name(struct net_device *dev,
5744 struct iw_request_info *info,
5748 strcpy(cwrq, "IEEE 802.11-DS");
5752 /*------------------------------------------------------------------*/
5754 * Wireless Handler : set frequency
5756 static int airo_set_freq(struct net_device *dev,
5757 struct iw_request_info *info,
5758 struct iw_freq *fwrq,
5761 struct airo_info *local = dev->ml_priv;
5762 int rc = -EINPROGRESS; /* Call commit handler */
5764 /* If setting by frequency, convert to a channel */
5766 int f = fwrq->m / 100000;
5768 /* Hack to fall through... */
5770 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5772 /* Setting by channel number */
5773 if((fwrq->m > 1000) || (fwrq->e > 0))
5776 int channel = fwrq->m;
5777 /* We should do a better check than that,
5778 * based on the card capability !!! */
5779 if((channel < 1) || (channel > 14)) {
5780 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5784 readConfigRid(local, 1);
5785 /* Yes ! We can set it !!! */
5786 local->config.channelSet = cpu_to_le16(channel);
5787 set_bit (FLAG_COMMIT, &local->flags);
5793 /*------------------------------------------------------------------*/
5795 * Wireless Handler : get frequency
5797 static int airo_get_freq(struct net_device *dev,
5798 struct iw_request_info *info,
5799 struct iw_freq *fwrq,
5802 struct airo_info *local = dev->ml_priv;
5803 StatusRid status_rid; /* Card status info */
5806 readConfigRid(local, 1);
5807 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5808 status_rid.channel = local->config.channelSet;
5810 readStatusRid(local, &status_rid, 1);
5812 ch = le16_to_cpu(status_rid.channel);
5813 if((ch > 0) && (ch < 15)) {
5814 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5824 /*------------------------------------------------------------------*/
5826 * Wireless Handler : set ESSID
5828 static int airo_set_essid(struct net_device *dev,
5829 struct iw_request_info *info,
5830 struct iw_point *dwrq,
5833 struct airo_info *local = dev->ml_priv;
5834 SsidRid SSID_rid; /* SSIDs */
5836 /* Reload the list of current SSID */
5837 readSsidRid(local, &SSID_rid);
5839 /* Check if we asked for `any' */
5840 if(dwrq->flags == 0) {
5841 /* Just send an empty SSID list */
5842 memset(&SSID_rid, 0, sizeof(SSID_rid));
5844 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5846 /* Check the size of the string */
5847 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5850 /* Check if index is valid */
5851 if((index < 0) || (index >= 4)) {
5856 memset(SSID_rid.ssids[index].ssid, 0,
5857 sizeof(SSID_rid.ssids[index].ssid));
5858 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5859 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5861 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5862 /* Write it to the card */
5863 disable_MAC(local, 1);
5864 writeSsidRid(local, &SSID_rid, 1);
5865 enable_MAC(local, 1);
5870 /*------------------------------------------------------------------*/
5872 * Wireless Handler : get ESSID
5874 static int airo_get_essid(struct net_device *dev,
5875 struct iw_request_info *info,
5876 struct iw_point *dwrq,
5879 struct airo_info *local = dev->ml_priv;
5880 StatusRid status_rid; /* Card status info */
5882 readStatusRid(local, &status_rid, 1);
5884 /* Note : if dwrq->flags != 0, we should
5885 * get the relevant SSID from the SSID list... */
5887 /* Get the current SSID */
5888 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5889 /* If none, we may want to get the one that was set */
5892 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5893 dwrq->flags = 1; /* active */
5898 /*------------------------------------------------------------------*/
5900 * Wireless Handler : set AP address
5902 static int airo_set_wap(struct net_device *dev,
5903 struct iw_request_info *info,
5904 struct sockaddr *awrq,
5907 struct airo_info *local = dev->ml_priv;
5910 APListRid APList_rid;
5911 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5912 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5914 if (awrq->sa_family != ARPHRD_ETHER)
5916 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5917 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5918 memset(&cmd, 0, sizeof(cmd));
5919 cmd.cmd=CMD_LOSE_SYNC;
5920 if (down_interruptible(&local->sem))
5921 return -ERESTARTSYS;
5922 issuecommand(local, &cmd, &rsp);
5925 memset(&APList_rid, 0, sizeof(APList_rid));
5926 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5927 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5928 disable_MAC(local, 1);
5929 writeAPListRid(local, &APList_rid, 1);
5930 enable_MAC(local, 1);
5935 /*------------------------------------------------------------------*/
5937 * Wireless Handler : get AP address
5939 static int airo_get_wap(struct net_device *dev,
5940 struct iw_request_info *info,
5941 struct sockaddr *awrq,
5944 struct airo_info *local = dev->ml_priv;
5945 StatusRid status_rid; /* Card status info */
5947 readStatusRid(local, &status_rid, 1);
5949 /* Tentative. This seems to work, wow, I'm lucky !!! */
5950 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5951 awrq->sa_family = ARPHRD_ETHER;
5956 /*------------------------------------------------------------------*/
5958 * Wireless Handler : set Nickname
5960 static int airo_set_nick(struct net_device *dev,
5961 struct iw_request_info *info,
5962 struct iw_point *dwrq,
5965 struct airo_info *local = dev->ml_priv;
5967 /* Check the size of the string */
5968 if(dwrq->length > 16) {
5971 readConfigRid(local, 1);
5972 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5973 memcpy(local->config.nodeName, extra, dwrq->length);
5974 set_bit (FLAG_COMMIT, &local->flags);
5976 return -EINPROGRESS; /* Call commit handler */
5979 /*------------------------------------------------------------------*/
5981 * Wireless Handler : get Nickname
5983 static int airo_get_nick(struct net_device *dev,
5984 struct iw_request_info *info,
5985 struct iw_point *dwrq,
5988 struct airo_info *local = dev->ml_priv;
5990 readConfigRid(local, 1);
5991 strncpy(extra, local->config.nodeName, 16);
5993 dwrq->length = strlen(extra);
5998 /*------------------------------------------------------------------*/
6000 * Wireless Handler : set Bit-Rate
6002 static int airo_set_rate(struct net_device *dev,
6003 struct iw_request_info *info,
6004 struct iw_param *vwrq,
6007 struct airo_info *local = dev->ml_priv;
6008 CapabilityRid cap_rid; /* Card capability info */
6012 /* First : get a valid bit rate value */
6013 readCapabilityRid(local, &cap_rid, 1);
6015 /* Which type of value ? */
6016 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6017 /* Setting by rate index */
6018 /* Find value in the magic rate table */
6019 brate = cap_rid.supportedRates[vwrq->value];
6021 /* Setting by frequency value */
6022 u8 normvalue = (u8) (vwrq->value/500000);
6024 /* Check if rate is valid */
6025 for(i = 0 ; i < 8 ; i++) {
6026 if(normvalue == cap_rid.supportedRates[i]) {
6032 /* -1 designed the max rate (mostly auto mode) */
6033 if(vwrq->value == -1) {
6034 /* Get the highest available rate */
6035 for(i = 0 ; i < 8 ; i++) {
6036 if(cap_rid.supportedRates[i] == 0)
6040 brate = cap_rid.supportedRates[i - 1];
6042 /* Check that it is valid */
6047 readConfigRid(local, 1);
6048 /* Now, check if we want a fixed or auto value */
6049 if(vwrq->fixed == 0) {
6050 /* Fill all the rates up to this max rate */
6051 memset(local->config.rates, 0, 8);
6052 for(i = 0 ; i < 8 ; i++) {
6053 local->config.rates[i] = cap_rid.supportedRates[i];
6054 if(local->config.rates[i] == brate)
6059 /* One rate, fixed */
6060 memset(local->config.rates, 0, 8);
6061 local->config.rates[0] = brate;
6063 set_bit (FLAG_COMMIT, &local->flags);
6065 return -EINPROGRESS; /* Call commit handler */
6068 /*------------------------------------------------------------------*/
6070 * Wireless Handler : get Bit-Rate
6072 static int airo_get_rate(struct net_device *dev,
6073 struct iw_request_info *info,
6074 struct iw_param *vwrq,
6077 struct airo_info *local = dev->ml_priv;
6078 StatusRid status_rid; /* Card status info */
6080 readStatusRid(local, &status_rid, 1);
6082 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6083 /* If more than one rate, set auto */
6084 readConfigRid(local, 1);
6085 vwrq->fixed = (local->config.rates[1] == 0);
6090 /*------------------------------------------------------------------*/
6092 * Wireless Handler : set RTS threshold
6094 static int airo_set_rts(struct net_device *dev,
6095 struct iw_request_info *info,
6096 struct iw_param *vwrq,
6099 struct airo_info *local = dev->ml_priv;
6100 int rthr = vwrq->value;
6103 rthr = AIRO_DEF_MTU;
6104 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6107 readConfigRid(local, 1);
6108 local->config.rtsThres = cpu_to_le16(rthr);
6109 set_bit (FLAG_COMMIT, &local->flags);
6111 return -EINPROGRESS; /* Call commit handler */
6114 /*------------------------------------------------------------------*/
6116 * Wireless Handler : get RTS threshold
6118 static int airo_get_rts(struct net_device *dev,
6119 struct iw_request_info *info,
6120 struct iw_param *vwrq,
6123 struct airo_info *local = dev->ml_priv;
6125 readConfigRid(local, 1);
6126 vwrq->value = le16_to_cpu(local->config.rtsThres);
6127 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6133 /*------------------------------------------------------------------*/
6135 * Wireless Handler : set Fragmentation threshold
6137 static int airo_set_frag(struct net_device *dev,
6138 struct iw_request_info *info,
6139 struct iw_param *vwrq,
6142 struct airo_info *local = dev->ml_priv;
6143 int fthr = vwrq->value;
6146 fthr = AIRO_DEF_MTU;
6147 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6150 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6151 readConfigRid(local, 1);
6152 local->config.fragThresh = cpu_to_le16(fthr);
6153 set_bit (FLAG_COMMIT, &local->flags);
6155 return -EINPROGRESS; /* Call commit handler */
6158 /*------------------------------------------------------------------*/
6160 * Wireless Handler : get Fragmentation threshold
6162 static int airo_get_frag(struct net_device *dev,
6163 struct iw_request_info *info,
6164 struct iw_param *vwrq,
6167 struct airo_info *local = dev->ml_priv;
6169 readConfigRid(local, 1);
6170 vwrq->value = le16_to_cpu(local->config.fragThresh);
6171 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6177 /*------------------------------------------------------------------*/
6179 * Wireless Handler : set Mode of Operation
6181 static int airo_set_mode(struct net_device *dev,
6182 struct iw_request_info *info,
6186 struct airo_info *local = dev->ml_priv;
6189 readConfigRid(local, 1);
6190 if (sniffing_mode(local))
6195 local->config.opmode &= ~MODE_CFG_MASK;
6196 local->config.opmode |= MODE_STA_IBSS;
6197 local->config.rmode &= ~RXMODE_FULL_MASK;
6198 local->config.scanMode = SCANMODE_ACTIVE;
6199 clear_bit (FLAG_802_11, &local->flags);
6202 local->config.opmode &= ~MODE_CFG_MASK;
6203 local->config.opmode |= MODE_STA_ESS;
6204 local->config.rmode &= ~RXMODE_FULL_MASK;
6205 local->config.scanMode = SCANMODE_ACTIVE;
6206 clear_bit (FLAG_802_11, &local->flags);
6208 case IW_MODE_MASTER:
6209 local->config.opmode &= ~MODE_CFG_MASK;
6210 local->config.opmode |= MODE_AP;
6211 local->config.rmode &= ~RXMODE_FULL_MASK;
6212 local->config.scanMode = SCANMODE_ACTIVE;
6213 clear_bit (FLAG_802_11, &local->flags);
6215 case IW_MODE_REPEAT:
6216 local->config.opmode &= ~MODE_CFG_MASK;
6217 local->config.opmode |= MODE_AP_RPTR;
6218 local->config.rmode &= ~RXMODE_FULL_MASK;
6219 local->config.scanMode = SCANMODE_ACTIVE;
6220 clear_bit (FLAG_802_11, &local->flags);
6222 case IW_MODE_MONITOR:
6223 local->config.opmode &= ~MODE_CFG_MASK;
6224 local->config.opmode |= MODE_STA_ESS;
6225 local->config.rmode &= ~RXMODE_FULL_MASK;
6226 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6227 local->config.scanMode = SCANMODE_PASSIVE;
6228 set_bit (FLAG_802_11, &local->flags);
6234 set_bit (FLAG_RESET, &local->flags);
6235 set_bit (FLAG_COMMIT, &local->flags);
6237 return -EINPROGRESS; /* Call commit handler */
6240 /*------------------------------------------------------------------*/
6242 * Wireless Handler : get Mode of Operation
6244 static int airo_get_mode(struct net_device *dev,
6245 struct iw_request_info *info,
6249 struct airo_info *local = dev->ml_priv;
6251 readConfigRid(local, 1);
6252 /* If not managed, assume it's ad-hoc */
6253 switch (local->config.opmode & MODE_CFG_MASK) {
6255 *uwrq = IW_MODE_INFRA;
6258 *uwrq = IW_MODE_MASTER;
6261 *uwrq = IW_MODE_REPEAT;
6264 *uwrq = IW_MODE_ADHOC;
6270 static inline int valid_index(CapabilityRid *p, int index)
6274 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6277 /*------------------------------------------------------------------*/
6279 * Wireless Handler : set Encryption Key
6281 static int airo_set_encode(struct net_device *dev,
6282 struct iw_request_info *info,
6283 struct iw_point *dwrq,
6286 struct airo_info *local = dev->ml_priv;
6287 CapabilityRid cap_rid; /* Card capability info */
6288 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6289 __le16 currentAuthType = local->config.authType;
6291 /* Is WEP supported ? */
6292 readCapabilityRid(local, &cap_rid, 1);
6293 /* Older firmware doesn't support this...
6294 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6297 readConfigRid(local, 1);
6299 /* Basic checking: do we have a key to set ?
6300 * Note : with the new API, it's impossible to get a NULL pointer.
6301 * Therefore, we need to check a key size == 0 instead.
6302 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6303 * when no key is present (only change flags), but older versions
6304 * don't do it. - Jean II */
6305 if (dwrq->length > 0) {
6307 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6308 int current_index = get_wep_key(local, 0xffff);
6309 /* Check the size of the key */
6310 if (dwrq->length > MAX_KEY_SIZE) {
6313 /* Check the index (none -> use current) */
6314 if (!valid_index(&cap_rid, index))
6315 index = current_index;
6316 /* Set the length */
6317 if (dwrq->length > MIN_KEY_SIZE)
6318 key.len = MAX_KEY_SIZE;
6320 if (dwrq->length > 0)
6321 key.len = MIN_KEY_SIZE;
6323 /* Disable the key */
6325 /* Check if the key is not marked as invalid */
6326 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6328 memset(key.key, 0, MAX_KEY_SIZE);
6329 /* Copy the key in the driver */
6330 memcpy(key.key, extra, dwrq->length);
6331 /* Send the key to the card */
6332 set_wep_key(local, index, key.key, key.len, perm, 1);
6334 /* WE specify that if a valid key is set, encryption
6335 * should be enabled (user may turn it off later)
6336 * This is also how "iwconfig ethX key on" works */
6337 if((index == current_index) && (key.len > 0) &&
6338 (local->config.authType == AUTH_OPEN)) {
6339 local->config.authType = AUTH_ENCRYPT;
6342 /* Do we want to just set the transmit key index ? */
6343 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6344 if (valid_index(&cap_rid, index)) {
6345 set_wep_key(local, index, NULL, 0, perm, 1);
6347 /* Don't complain if only change the mode */
6348 if (!(dwrq->flags & IW_ENCODE_MODE))
6351 /* Read the flags */
6352 if(dwrq->flags & IW_ENCODE_DISABLED)
6353 local->config.authType = AUTH_OPEN; // disable encryption
6354 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6355 local->config.authType = AUTH_SHAREDKEY; // Only Both
6356 if(dwrq->flags & IW_ENCODE_OPEN)
6357 local->config.authType = AUTH_ENCRYPT; // Only Wep
6358 /* Commit the changes to flags if needed */
6359 if (local->config.authType != currentAuthType)
6360 set_bit (FLAG_COMMIT, &local->flags);
6361 return -EINPROGRESS; /* Call commit handler */
6364 /*------------------------------------------------------------------*/
6366 * Wireless Handler : get Encryption Key
6368 static int airo_get_encode(struct net_device *dev,
6369 struct iw_request_info *info,
6370 struct iw_point *dwrq,
6373 struct airo_info *local = dev->ml_priv;
6374 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6375 CapabilityRid cap_rid; /* Card capability info */
6377 /* Is it supported ? */
6378 readCapabilityRid(local, &cap_rid, 1);
6379 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6382 readConfigRid(local, 1);
6383 /* Check encryption mode */
6384 switch(local->config.authType) {
6386 dwrq->flags = IW_ENCODE_OPEN;
6388 case AUTH_SHAREDKEY:
6389 dwrq->flags = IW_ENCODE_RESTRICTED;
6393 dwrq->flags = IW_ENCODE_DISABLED;
6396 /* We can't return the key, so set the proper flag and return zero */
6397 dwrq->flags |= IW_ENCODE_NOKEY;
6398 memset(extra, 0, 16);
6400 /* Which key do we want ? -1 -> tx index */
6401 if (!valid_index(&cap_rid, index))
6402 index = get_wep_key(local, 0xffff);
6403 dwrq->flags |= index + 1;
6404 /* Copy the key to the user buffer */
6405 dwrq->length = get_wep_key(local, index);
6406 if (dwrq->length > 16) {
6412 /*------------------------------------------------------------------*/
6414 * Wireless Handler : set extended Encryption parameters
6416 static int airo_set_encodeext(struct net_device *dev,
6417 struct iw_request_info *info,
6418 union iwreq_data *wrqu,
6421 struct airo_info *local = dev->ml_priv;
6422 struct iw_point *encoding = &wrqu->encoding;
6423 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6424 CapabilityRid cap_rid; /* Card capability info */
6425 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6426 __le16 currentAuthType = local->config.authType;
6427 int idx, key_len, alg = ext->alg, set_key = 1;
6430 /* Is WEP supported ? */
6431 readCapabilityRid(local, &cap_rid, 1);
6432 /* Older firmware doesn't support this...
6433 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6436 readConfigRid(local, 1);
6438 /* Determine and validate the key index */
6439 idx = encoding->flags & IW_ENCODE_INDEX;
6441 if (!valid_index(&cap_rid, idx - 1))
6445 idx = get_wep_key(local, 0xffff);
6447 if (encoding->flags & IW_ENCODE_DISABLED)
6448 alg = IW_ENCODE_ALG_NONE;
6450 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6451 /* Only set transmit key index here, actual
6452 * key is set below if needed.
6454 set_wep_key(local, idx, NULL, 0, perm, 1);
6455 set_key = ext->key_len > 0 ? 1 : 0;
6459 /* Set the requested key first */
6460 memset(key.key, 0, MAX_KEY_SIZE);
6462 case IW_ENCODE_ALG_NONE:
6465 case IW_ENCODE_ALG_WEP:
6466 if (ext->key_len > MIN_KEY_SIZE) {
6467 key.len = MAX_KEY_SIZE;
6468 } else if (ext->key_len > 0) {
6469 key.len = MIN_KEY_SIZE;
6473 key_len = min (ext->key_len, key.len);
6474 memcpy(key.key, ext->key, key_len);
6479 /* Send the key to the card */
6480 set_wep_key(local, idx, key.key, key.len, perm, 1);
6483 /* Read the flags */
6484 if(encoding->flags & IW_ENCODE_DISABLED)
6485 local->config.authType = AUTH_OPEN; // disable encryption
6486 if(encoding->flags & IW_ENCODE_RESTRICTED)
6487 local->config.authType = AUTH_SHAREDKEY; // Only Both
6488 if(encoding->flags & IW_ENCODE_OPEN)
6489 local->config.authType = AUTH_ENCRYPT; // Only Wep
6490 /* Commit the changes to flags if needed */
6491 if (local->config.authType != currentAuthType)
6492 set_bit (FLAG_COMMIT, &local->flags);
6494 return -EINPROGRESS;
6498 /*------------------------------------------------------------------*/
6500 * Wireless Handler : get extended Encryption parameters
6502 static int airo_get_encodeext(struct net_device *dev,
6503 struct iw_request_info *info,
6504 union iwreq_data *wrqu,
6507 struct airo_info *local = dev->ml_priv;
6508 struct iw_point *encoding = &wrqu->encoding;
6509 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6510 CapabilityRid cap_rid; /* Card capability info */
6511 int idx, max_key_len;
6513 /* Is it supported ? */
6514 readCapabilityRid(local, &cap_rid, 1);
6515 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6518 readConfigRid(local, 1);
6520 max_key_len = encoding->length - sizeof(*ext);
6521 if (max_key_len < 0)
6524 idx = encoding->flags & IW_ENCODE_INDEX;
6526 if (!valid_index(&cap_rid, idx - 1))
6530 idx = get_wep_key(local, 0xffff);
6532 encoding->flags = idx + 1;
6533 memset(ext, 0, sizeof(*ext));
6535 /* Check encryption mode */
6536 switch(local->config.authType) {
6538 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6540 case AUTH_SHAREDKEY:
6541 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6545 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6548 /* We can't return the key, so set the proper flag and return zero */
6549 encoding->flags |= IW_ENCODE_NOKEY;
6550 memset(extra, 0, 16);
6552 /* Copy the key to the user buffer */
6553 ext->key_len = get_wep_key(local, idx);
6554 if (ext->key_len > 16) {
6562 /*------------------------------------------------------------------*/
6564 * Wireless Handler : set extended authentication parameters
6566 static int airo_set_auth(struct net_device *dev,
6567 struct iw_request_info *info,
6568 union iwreq_data *wrqu, char *extra)
6570 struct airo_info *local = dev->ml_priv;
6571 struct iw_param *param = &wrqu->param;
6572 __le16 currentAuthType = local->config.authType;
6574 switch (param->flags & IW_AUTH_INDEX) {
6575 case IW_AUTH_WPA_VERSION:
6576 case IW_AUTH_CIPHER_PAIRWISE:
6577 case IW_AUTH_CIPHER_GROUP:
6578 case IW_AUTH_KEY_MGMT:
6579 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6580 case IW_AUTH_PRIVACY_INVOKED:
6582 * airo does not use these parameters
6586 case IW_AUTH_DROP_UNENCRYPTED:
6588 /* Only change auth type if unencrypted */
6589 if (currentAuthType == AUTH_OPEN)
6590 local->config.authType = AUTH_ENCRYPT;
6592 local->config.authType = AUTH_OPEN;
6595 /* Commit the changes to flags if needed */
6596 if (local->config.authType != currentAuthType)
6597 set_bit (FLAG_COMMIT, &local->flags);
6600 case IW_AUTH_80211_AUTH_ALG: {
6601 /* FIXME: What about AUTH_OPEN? This API seems to
6602 * disallow setting our auth to AUTH_OPEN.
6604 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6605 local->config.authType = AUTH_SHAREDKEY;
6606 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6607 local->config.authType = AUTH_ENCRYPT;
6612 /* Commit the changes to flags if needed */
6613 if (local->config.authType != currentAuthType)
6614 set_bit (FLAG_COMMIT, &local->flags);
6617 case IW_AUTH_WPA_ENABLED:
6618 /* Silently accept disable of WPA */
6619 if (param->value > 0)
6626 return -EINPROGRESS;
6630 /*------------------------------------------------------------------*/
6632 * Wireless Handler : get extended authentication parameters
6634 static int airo_get_auth(struct net_device *dev,
6635 struct iw_request_info *info,
6636 union iwreq_data *wrqu, char *extra)
6638 struct airo_info *local = dev->ml_priv;
6639 struct iw_param *param = &wrqu->param;
6640 __le16 currentAuthType = local->config.authType;
6642 switch (param->flags & IW_AUTH_INDEX) {
6643 case IW_AUTH_DROP_UNENCRYPTED:
6644 switch (currentAuthType) {
6645 case AUTH_SHAREDKEY:
6655 case IW_AUTH_80211_AUTH_ALG:
6656 switch (currentAuthType) {
6657 case AUTH_SHAREDKEY:
6658 param->value = IW_AUTH_ALG_SHARED_KEY;
6662 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6667 case IW_AUTH_WPA_ENABLED:
6678 /*------------------------------------------------------------------*/
6680 * Wireless Handler : set Tx-Power
6682 static int airo_set_txpow(struct net_device *dev,
6683 struct iw_request_info *info,
6684 struct iw_param *vwrq,
6687 struct airo_info *local = dev->ml_priv;
6688 CapabilityRid cap_rid; /* Card capability info */
6691 __le16 v = cpu_to_le16(vwrq->value);
6693 readCapabilityRid(local, &cap_rid, 1);
6695 if (vwrq->disabled) {
6696 set_bit (FLAG_RADIO_OFF, &local->flags);
6697 set_bit (FLAG_COMMIT, &local->flags);
6698 return -EINPROGRESS; /* Call commit handler */
6700 if (vwrq->flags != IW_TXPOW_MWATT) {
6703 clear_bit (FLAG_RADIO_OFF, &local->flags);
6704 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6705 if (v == cap_rid.txPowerLevels[i]) {
6706 readConfigRid(local, 1);
6707 local->config.txPower = v;
6708 set_bit (FLAG_COMMIT, &local->flags);
6709 rc = -EINPROGRESS; /* Call commit handler */
6715 /*------------------------------------------------------------------*/
6717 * Wireless Handler : get Tx-Power
6719 static int airo_get_txpow(struct net_device *dev,
6720 struct iw_request_info *info,
6721 struct iw_param *vwrq,
6724 struct airo_info *local = dev->ml_priv;
6726 readConfigRid(local, 1);
6727 vwrq->value = le16_to_cpu(local->config.txPower);
6728 vwrq->fixed = 1; /* No power control */
6729 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6730 vwrq->flags = IW_TXPOW_MWATT;
6735 /*------------------------------------------------------------------*/
6737 * Wireless Handler : set Retry limits
6739 static int airo_set_retry(struct net_device *dev,
6740 struct iw_request_info *info,
6741 struct iw_param *vwrq,
6744 struct airo_info *local = dev->ml_priv;
6747 if(vwrq->disabled) {
6750 readConfigRid(local, 1);
6751 if(vwrq->flags & IW_RETRY_LIMIT) {
6752 __le16 v = cpu_to_le16(vwrq->value);
6753 if(vwrq->flags & IW_RETRY_LONG)
6754 local->config.longRetryLimit = v;
6755 else if (vwrq->flags & IW_RETRY_SHORT)
6756 local->config.shortRetryLimit = v;
6758 /* No modifier : set both */
6759 local->config.longRetryLimit = v;
6760 local->config.shortRetryLimit = v;
6762 set_bit (FLAG_COMMIT, &local->flags);
6763 rc = -EINPROGRESS; /* Call commit handler */
6765 if(vwrq->flags & IW_RETRY_LIFETIME) {
6766 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6767 set_bit (FLAG_COMMIT, &local->flags);
6768 rc = -EINPROGRESS; /* Call commit handler */
6773 /*------------------------------------------------------------------*/
6775 * Wireless Handler : get Retry limits
6777 static int airo_get_retry(struct net_device *dev,
6778 struct iw_request_info *info,
6779 struct iw_param *vwrq,
6782 struct airo_info *local = dev->ml_priv;
6784 vwrq->disabled = 0; /* Can't be disabled */
6786 readConfigRid(local, 1);
6787 /* Note : by default, display the min retry number */
6788 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6789 vwrq->flags = IW_RETRY_LIFETIME;
6790 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6791 } else if((vwrq->flags & IW_RETRY_LONG)) {
6792 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6793 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6795 vwrq->flags = IW_RETRY_LIMIT;
6796 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6797 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6798 vwrq->flags |= IW_RETRY_SHORT;
6804 /*------------------------------------------------------------------*/
6806 * Wireless Handler : get range info
6808 static int airo_get_range(struct net_device *dev,
6809 struct iw_request_info *info,
6810 struct iw_point *dwrq,
6813 struct airo_info *local = dev->ml_priv;
6814 struct iw_range *range = (struct iw_range *) extra;
6815 CapabilityRid cap_rid; /* Card capability info */
6819 readCapabilityRid(local, &cap_rid, 1);
6821 dwrq->length = sizeof(struct iw_range);
6822 memset(range, 0, sizeof(*range));
6823 range->min_nwid = 0x0000;
6824 range->max_nwid = 0x0000;
6825 range->num_channels = 14;
6826 /* Should be based on cap_rid.country to give only
6827 * what the current card support */
6829 for(i = 0; i < 14; i++) {
6830 range->freq[k].i = i + 1; /* List index */
6831 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6832 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6834 range->num_frequency = k;
6836 range->sensitivity = 65535;
6838 /* Hum... Should put the right values there */
6840 range->max_qual.qual = 100; /* % */
6842 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6843 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6844 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6846 /* Experimental measurements - boundary 11/5.5 Mb/s */
6847 /* Note : with or without the (local->rssi), results
6848 * are somewhat different. - Jean II */
6850 range->avg_qual.qual = 50; /* % */
6851 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6853 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6854 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6856 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6858 for(i = 0 ; i < 8 ; i++) {
6859 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6860 if(range->bitrate[i] == 0)
6863 range->num_bitrates = i;
6865 /* Set an indication of the max TCP throughput
6866 * in bit/s that we can expect using this interface.
6867 * May be use for QoS stuff... Jean II */
6869 range->throughput = 5000 * 1000;
6871 range->throughput = 1500 * 1000;
6874 range->max_rts = AIRO_DEF_MTU;
6875 range->min_frag = 256;
6876 range->max_frag = AIRO_DEF_MTU;
6878 if(cap_rid.softCap & cpu_to_le16(2)) {
6880 range->encoding_size[0] = 5;
6882 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6883 range->encoding_size[1] = 13;
6884 range->num_encoding_sizes = 2;
6886 range->num_encoding_sizes = 1;
6887 range->max_encoding_tokens =
6888 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6890 range->num_encoding_sizes = 0;
6891 range->max_encoding_tokens = 0;
6894 range->max_pmp = 5000000; /* 5 secs */
6896 range->max_pmt = 65535 * 1024; /* ??? */
6897 range->pmp_flags = IW_POWER_PERIOD;
6898 range->pmt_flags = IW_POWER_TIMEOUT;
6899 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6901 /* Transmit Power - values are in mW */
6902 for(i = 0 ; i < 8 ; i++) {
6903 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6904 if(range->txpower[i] == 0)
6907 range->num_txpower = i;
6908 range->txpower_capa = IW_TXPOW_MWATT;
6909 range->we_version_source = 19;
6910 range->we_version_compiled = WIRELESS_EXT;
6911 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6912 range->retry_flags = IW_RETRY_LIMIT;
6913 range->r_time_flags = IW_RETRY_LIFETIME;
6914 range->min_retry = 1;
6915 range->max_retry = 65535;
6916 range->min_r_time = 1024;
6917 range->max_r_time = 65535 * 1024;
6919 /* Event capability (kernel + driver) */
6920 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6921 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6922 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6923 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6924 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6925 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6929 /*------------------------------------------------------------------*/
6931 * Wireless Handler : set Power Management
6933 static int airo_set_power(struct net_device *dev,
6934 struct iw_request_info *info,
6935 struct iw_param *vwrq,
6938 struct airo_info *local = dev->ml_priv;
6940 readConfigRid(local, 1);
6941 if (vwrq->disabled) {
6942 if (sniffing_mode(local))
6944 local->config.powerSaveMode = POWERSAVE_CAM;
6945 local->config.rmode &= ~RXMODE_MASK;
6946 local->config.rmode |= RXMODE_BC_MC_ADDR;
6947 set_bit (FLAG_COMMIT, &local->flags);
6948 return -EINPROGRESS; /* Call commit handler */
6950 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6951 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6952 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6953 set_bit (FLAG_COMMIT, &local->flags);
6954 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6955 local->config.fastListenInterval =
6956 local->config.listenInterval =
6957 cpu_to_le16((vwrq->value + 500) / 1024);
6958 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6959 set_bit (FLAG_COMMIT, &local->flags);
6961 switch (vwrq->flags & IW_POWER_MODE) {
6962 case IW_POWER_UNICAST_R:
6963 if (sniffing_mode(local))
6965 local->config.rmode &= ~RXMODE_MASK;
6966 local->config.rmode |= RXMODE_ADDR;
6967 set_bit (FLAG_COMMIT, &local->flags);
6969 case IW_POWER_ALL_R:
6970 if (sniffing_mode(local))
6972 local->config.rmode &= ~RXMODE_MASK;
6973 local->config.rmode |= RXMODE_BC_MC_ADDR;
6974 set_bit (FLAG_COMMIT, &local->flags);
6976 /* This is broken, fixme ;-) */
6981 // Note : we may want to factor local->need_commit here
6982 // Note2 : may also want to factor RXMODE_RFMON test
6983 return -EINPROGRESS; /* Call commit handler */
6986 /*------------------------------------------------------------------*/
6988 * Wireless Handler : get Power Management
6990 static int airo_get_power(struct net_device *dev,
6991 struct iw_request_info *info,
6992 struct iw_param *vwrq,
6995 struct airo_info *local = dev->ml_priv;
6998 readConfigRid(local, 1);
6999 mode = local->config.powerSaveMode;
7000 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7002 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7003 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7004 vwrq->flags = IW_POWER_TIMEOUT;
7006 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7007 vwrq->flags = IW_POWER_PERIOD;
7009 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7010 vwrq->flags |= IW_POWER_UNICAST_R;
7012 vwrq->flags |= IW_POWER_ALL_R;
7017 /*------------------------------------------------------------------*/
7019 * Wireless Handler : set Sensitivity
7021 static int airo_set_sens(struct net_device *dev,
7022 struct iw_request_info *info,
7023 struct iw_param *vwrq,
7026 struct airo_info *local = dev->ml_priv;
7028 readConfigRid(local, 1);
7029 local->config.rssiThreshold =
7030 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7031 set_bit (FLAG_COMMIT, &local->flags);
7033 return -EINPROGRESS; /* Call commit handler */
7036 /*------------------------------------------------------------------*/
7038 * Wireless Handler : get Sensitivity
7040 static int airo_get_sens(struct net_device *dev,
7041 struct iw_request_info *info,
7042 struct iw_param *vwrq,
7045 struct airo_info *local = dev->ml_priv;
7047 readConfigRid(local, 1);
7048 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7049 vwrq->disabled = (vwrq->value == 0);
7055 /*------------------------------------------------------------------*/
7057 * Wireless Handler : get AP List
7058 * Note : this is deprecated in favor of IWSCAN
7060 static int airo_get_aplist(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_point *dwrq,
7065 struct airo_info *local = dev->ml_priv;
7066 struct sockaddr *address = (struct sockaddr *) extra;
7067 struct iw_quality qual[IW_MAX_AP];
7070 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7072 for (i = 0; i < IW_MAX_AP; i++) {
7074 if (readBSSListRid(local, loseSync, &BSSList))
7077 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7078 address[i].sa_family = ARPHRD_ETHER;
7079 dBm = le16_to_cpu(BSSList.dBm);
7081 qual[i].level = 0x100 - dBm;
7082 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7083 qual[i].updated = IW_QUAL_QUAL_UPDATED
7084 | IW_QUAL_LEVEL_UPDATED
7087 qual[i].level = (dBm + 321) / 2;
7089 qual[i].updated = IW_QUAL_QUAL_INVALID
7090 | IW_QUAL_LEVEL_UPDATED
7093 qual[i].noise = local->wstats.qual.noise;
7094 if (BSSList.index == cpu_to_le16(0xffff))
7098 StatusRid status_rid; /* Card status info */
7099 readStatusRid(local, &status_rid, 1);
7101 i < min(IW_MAX_AP, 4) &&
7102 (status_rid.bssid[i][0]
7103 & status_rid.bssid[i][1]
7104 & status_rid.bssid[i][2]
7105 & status_rid.bssid[i][3]
7106 & status_rid.bssid[i][4]
7107 & status_rid.bssid[i][5])!=0xff &&
7108 (status_rid.bssid[i][0]
7109 | status_rid.bssid[i][1]
7110 | status_rid.bssid[i][2]
7111 | status_rid.bssid[i][3]
7112 | status_rid.bssid[i][4]
7113 | status_rid.bssid[i][5]);
7115 memcpy(address[i].sa_data,
7116 status_rid.bssid[i], ETH_ALEN);
7117 address[i].sa_family = ARPHRD_ETHER;
7120 dwrq->flags = 1; /* Should be define'd */
7121 memcpy(extra + sizeof(struct sockaddr)*i,
7122 &qual, sizeof(struct iw_quality)*i);
7129 /*------------------------------------------------------------------*/
7131 * Wireless Handler : Initiate Scan
7133 static int airo_set_scan(struct net_device *dev,
7134 struct iw_request_info *info,
7135 struct iw_point *dwrq,
7138 struct airo_info *ai = dev->ml_priv;
7143 /* Note : you may have realised that, as this is a SET operation,
7144 * this is privileged and therefore a normal user can't
7146 * This is not an error, while the device perform scanning,
7147 * traffic doesn't flow, so it's a perfect DoS...
7149 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7151 if (down_interruptible(&ai->sem))
7152 return -ERESTARTSYS;
7154 /* If there's already a scan in progress, don't
7155 * trigger another one. */
7156 if (ai->scan_timeout > 0)
7159 /* Initiate a scan command */
7160 ai->scan_timeout = RUN_AT(3*HZ);
7161 memset(&cmd, 0, sizeof(cmd));
7162 cmd.cmd=CMD_LISTBSS;
7163 issuecommand(ai, &cmd, &rsp);
7169 wake_up_interruptible(&ai->thr_wait);
7173 /*------------------------------------------------------------------*/
7175 * Translate scan data returned from the card to a card independent
7176 * format that the Wireless Tools will understand - Jean II
7178 static inline char *airo_translate_scan(struct net_device *dev,
7179 struct iw_request_info *info,
7184 struct airo_info *ai = dev->ml_priv;
7185 struct iw_event iwe; /* Temporary buffer */
7186 __le16 capabilities;
7187 char * current_val; /* For rates */
7192 /* First entry *MUST* be the AP MAC address */
7193 iwe.cmd = SIOCGIWAP;
7194 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7195 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7196 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7197 &iwe, IW_EV_ADDR_LEN);
7199 /* Other entries will be displayed in the order we give them */
7202 iwe.u.data.length = bss->ssidLen;
7203 if(iwe.u.data.length > 32)
7204 iwe.u.data.length = 32;
7205 iwe.cmd = SIOCGIWESSID;
7206 iwe.u.data.flags = 1;
7207 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7211 iwe.cmd = SIOCGIWMODE;
7212 capabilities = bss->cap;
7213 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7214 if(capabilities & CAP_ESS)
7215 iwe.u.mode = IW_MODE_MASTER;
7217 iwe.u.mode = IW_MODE_ADHOC;
7218 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7219 &iwe, IW_EV_UINT_LEN);
7223 iwe.cmd = SIOCGIWFREQ;
7224 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7225 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7227 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7228 &iwe, IW_EV_FREQ_LEN);
7230 dBm = le16_to_cpu(bss->dBm);
7232 /* Add quality statistics */
7235 iwe.u.qual.level = 0x100 - dBm;
7236 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7237 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7238 | IW_QUAL_LEVEL_UPDATED
7241 iwe.u.qual.level = (dBm + 321) / 2;
7242 iwe.u.qual.qual = 0;
7243 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7244 | IW_QUAL_LEVEL_UPDATED
7247 iwe.u.qual.noise = ai->wstats.qual.noise;
7248 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7249 &iwe, IW_EV_QUAL_LEN);
7251 /* Add encryption capability */
7252 iwe.cmd = SIOCGIWENCODE;
7253 if(capabilities & CAP_PRIVACY)
7254 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7256 iwe.u.data.flags = IW_ENCODE_DISABLED;
7257 iwe.u.data.length = 0;
7258 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7261 /* Rate : stuffing multiple values in a single event require a bit
7262 * more of magic - Jean II */
7263 current_val = current_ev + iwe_stream_lcp_len(info);
7265 iwe.cmd = SIOCGIWRATE;
7266 /* Those two flags are ignored... */
7267 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7269 for(i = 0 ; i < 8 ; i++) {
7270 /* NULL terminated */
7271 if(bss->rates[i] == 0)
7273 /* Bit rate given in 500 kb/s units (+ 0x80) */
7274 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7275 /* Add new value to event */
7276 current_val = iwe_stream_add_value(info, current_ev,
7277 current_val, end_buf,
7278 &iwe, IW_EV_PARAM_LEN);
7280 /* Check if we added any event */
7281 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7282 current_ev = current_val;
7284 /* Beacon interval */
7285 buf = kmalloc(30, GFP_KERNEL);
7287 iwe.cmd = IWEVCUSTOM;
7288 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7289 iwe.u.data.length = strlen(buf);
7290 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7295 /* Put WPA/RSN Information Elements into the event stream */
7296 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7297 unsigned int num_null_ies = 0;
7298 u16 length = sizeof (bss->extra.iep);
7299 u8 *ie = (void *)&bss->extra.iep;
7301 while ((length >= 2) && (num_null_ies < 2)) {
7302 if (2 + ie[1] > length) {
7303 /* Invalid element, don't continue parsing IE */
7309 /* Two zero-length SSID elements
7310 * mean we're done parsing elements */
7315 case WLAN_EID_GENERIC:
7321 iwe.cmd = IWEVGENIE;
7322 /* 64 is an arbitrary cut-off */
7323 iwe.u.data.length = min(ie[1] + 2,
7325 current_ev = iwe_stream_add_point(
7332 iwe.cmd = IWEVGENIE;
7333 /* 64 is an arbitrary cut-off */
7334 iwe.u.data.length = min(ie[1] + 2, 64);
7335 current_ev = iwe_stream_add_point(
7336 info, current_ev, end_buf,
7344 length -= 2 + ie[1];
7351 /*------------------------------------------------------------------*/
7353 * Wireless Handler : Read Scan Results
7355 static int airo_get_scan(struct net_device *dev,
7356 struct iw_request_info *info,
7357 struct iw_point *dwrq,
7360 struct airo_info *ai = dev->ml_priv;
7361 BSSListElement *net;
7363 char *current_ev = extra;
7365 /* If a scan is in-progress, return -EAGAIN */
7366 if (ai->scan_timeout > 0)
7369 if (down_interruptible(&ai->sem))
7372 list_for_each_entry (net, &ai->network_list, list) {
7373 /* Translate to WE format this entry */
7374 current_ev = airo_translate_scan(dev, info, current_ev,
7375 extra + dwrq->length,
7378 /* Check if there is space for one more entry */
7379 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7380 /* Ask user space to try again with a bigger buffer */
7386 /* Length of data */
7387 dwrq->length = (current_ev - extra);
7388 dwrq->flags = 0; /* todo */
7395 /*------------------------------------------------------------------*/
7397 * Commit handler : called after a bunch of SET operations
7399 static int airo_config_commit(struct net_device *dev,
7400 struct iw_request_info *info, /* NULL */
7401 void *zwrq, /* NULL */
7402 char *extra) /* NULL */
7404 struct airo_info *local = dev->ml_priv;
7406 if (!test_bit (FLAG_COMMIT, &local->flags))
7409 /* Some of the "SET" function may have modified some of the
7410 * parameters. It's now time to commit them in the card */
7411 disable_MAC(local, 1);
7412 if (test_bit (FLAG_RESET, &local->flags)) {
7413 APListRid APList_rid;
7416 readAPListRid(local, &APList_rid);
7417 readSsidRid(local, &SSID_rid);
7418 if (test_bit(FLAG_MPI,&local->flags))
7419 setup_card(local, dev->dev_addr, 1 );
7421 reset_airo_card(dev);
7422 disable_MAC(local, 1);
7423 writeSsidRid(local, &SSID_rid, 1);
7424 writeAPListRid(local, &APList_rid, 1);
7426 if (down_interruptible(&local->sem))
7427 return -ERESTARTSYS;
7428 writeConfigRid(local, 0);
7429 enable_MAC(local, 0);
7430 if (test_bit (FLAG_RESET, &local->flags))
7431 airo_set_promisc(local);
7438 /*------------------------------------------------------------------*/
7440 * Structures to export the Wireless Handlers
7443 static const struct iw_priv_args airo_private_args[] = {
7444 /*{ cmd, set_args, get_args, name } */
7445 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7446 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7447 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7448 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7451 static const iw_handler airo_handler[] =
7453 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7454 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7455 (iw_handler) NULL, /* SIOCSIWNWID */
7456 (iw_handler) NULL, /* SIOCGIWNWID */
7457 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7458 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7459 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7460 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7461 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7462 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7463 (iw_handler) NULL, /* SIOCSIWRANGE */
7464 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7465 (iw_handler) NULL, /* SIOCSIWPRIV */
7466 (iw_handler) NULL, /* SIOCGIWPRIV */
7467 (iw_handler) NULL, /* SIOCSIWSTATS */
7468 (iw_handler) NULL, /* SIOCGIWSTATS */
7469 iw_handler_set_spy, /* SIOCSIWSPY */
7470 iw_handler_get_spy, /* SIOCGIWSPY */
7471 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7472 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7473 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7474 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7475 (iw_handler) NULL, /* -- hole -- */
7476 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7477 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7478 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7479 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7480 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7481 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7482 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7483 (iw_handler) NULL, /* -- hole -- */
7484 (iw_handler) NULL, /* -- hole -- */
7485 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7486 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7487 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7488 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7489 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7490 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7491 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7492 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7493 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7494 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7495 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7496 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7497 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7498 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7499 (iw_handler) NULL, /* -- hole -- */
7500 (iw_handler) NULL, /* -- hole -- */
7501 (iw_handler) NULL, /* SIOCSIWGENIE */
7502 (iw_handler) NULL, /* SIOCGIWGENIE */
7503 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7504 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7505 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7506 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7507 (iw_handler) NULL, /* SIOCSIWPMKSA */
7510 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7511 * We want to force the use of the ioctl code, because those can't be
7512 * won't work the iw_handler code (because they simultaneously read
7513 * and write data and iw_handler can't do that).
7514 * Note that it's perfectly legal to read/write on a single ioctl command,
7515 * you just can't use iwpriv and need to force it via the ioctl handler.
7517 static const iw_handler airo_private_handler[] =
7519 NULL, /* SIOCIWFIRSTPRIV */
7522 static const struct iw_handler_def airo_handler_def =
7524 .num_standard = ARRAY_SIZE(airo_handler),
7525 .num_private = ARRAY_SIZE(airo_private_handler),
7526 .num_private_args = ARRAY_SIZE(airo_private_args),
7527 .standard = airo_handler,
7528 .private = airo_private_handler,
7529 .private_args = airo_private_args,
7530 .get_wireless_stats = airo_get_wireless_stats,
7534 * This defines the configuration part of the Wireless Extensions
7535 * Note : irq and spinlock protection will occur in the subroutines
7538 * o Check input value more carefully and fill correct values in range
7539 * o Test and shakeout the bugs (if any)
7543 * Javier Achirica did a great job of merging code from the unnamed CISCO
7544 * developer that added support for flashing the card.
7546 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7549 struct airo_info *ai = dev->ml_priv;
7551 if (ai->power.event)
7561 int val = AIROMAGIC;
7563 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7565 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7574 /* Get the command struct and hand it off for evaluation by
7575 * the proper subfunction
7579 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7584 /* Separate R/W functions bracket legality here
7586 if ( com.command == AIRORSWVERSION ) {
7587 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7592 else if ( com.command <= AIRORRID)
7593 rc = readrids(dev,&com);
7594 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7595 rc = writerids(dev,&com);
7596 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7597 rc = flashcard(dev,&com);
7599 rc = -EINVAL; /* Bad command in ioctl */
7602 #endif /* CISCO_EXT */
7604 // All other calls are currently unsupported
7612 * Get the Wireless stats out of the driver
7613 * Note : irq and spinlock protection will occur in the subroutines
7616 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7620 static void airo_read_wireless_stats(struct airo_info *local)
7622 StatusRid status_rid;
7624 CapabilityRid cap_rid;
7625 __le32 *vals = stats_rid.vals;
7627 /* Get stats out of the card */
7628 clear_bit(JOB_WSTATS, &local->jobs);
7629 if (local->power.event) {
7633 readCapabilityRid(local, &cap_rid, 0);
7634 readStatusRid(local, &status_rid, 0);
7635 readStatsRid(local, &stats_rid, RID_STATS, 0);
7639 local->wstats.status = le16_to_cpu(status_rid.mode);
7641 /* Signal quality and co */
7643 local->wstats.qual.level =
7644 airo_rssi_to_dbm(local->rssi,
7645 le16_to_cpu(status_rid.sigQuality));
7646 /* normalizedSignalStrength appears to be a percentage */
7647 local->wstats.qual.qual =
7648 le16_to_cpu(status_rid.normalizedSignalStrength);
7650 local->wstats.qual.level =
7651 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7652 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7654 if (le16_to_cpu(status_rid.len) >= 124) {
7655 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7656 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7658 local->wstats.qual.noise = 0;
7659 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7662 /* Packets discarded in the wireless adapter due to wireless
7663 * specific problems */
7664 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7665 le32_to_cpu(vals[57]) +
7666 le32_to_cpu(vals[58]); /* SSID Mismatch */
7667 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7668 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7669 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7670 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7671 le32_to_cpu(vals[32]);
7672 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7675 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7677 struct airo_info *local = dev->ml_priv;
7679 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7680 /* Get stats out of the card if available */
7681 if (down_trylock(&local->sem) != 0) {
7682 set_bit(JOB_WSTATS, &local->jobs);
7683 wake_up_interruptible(&local->thr_wait);
7685 airo_read_wireless_stats(local);
7688 return &local->wstats;
7693 * This just translates from driver IOCTL codes to the command codes to
7694 * feed to the radio's host interface. Things can be added/deleted
7695 * as needed. This represents the READ side of control I/O to
7698 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7699 unsigned short ridcode;
7700 unsigned char *iobuf;
7702 struct airo_info *ai = dev->ml_priv;
7704 if (test_bit(FLAG_FLASHING, &ai->flags))
7707 switch(comp->command)
7709 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7710 case AIROGCFG: ridcode = RID_CONFIG;
7711 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7712 disable_MAC (ai, 1);
7713 writeConfigRid (ai, 1);
7717 case AIROGSLIST: ridcode = RID_SSID; break;
7718 case AIROGVLIST: ridcode = RID_APLIST; break;
7719 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7720 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7721 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7722 /* Only super-user can read WEP keys */
7723 if (!capable(CAP_NET_ADMIN))
7726 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7727 /* Only super-user can read WEP keys */
7728 if (!capable(CAP_NET_ADMIN))
7731 case AIROGSTAT: ridcode = RID_STATUS; break;
7732 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7733 case AIROGSTATSC32: ridcode = RID_STATS; break;
7735 if (copy_to_user(comp->data, &ai->micstats,
7736 min((int)comp->len,(int)sizeof(ai->micstats))))
7739 case AIRORRID: ridcode = comp->ridnum; break;
7745 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7748 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7749 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7750 * then return it to the user
7751 * 9/22/2000 Honor user given length
7755 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7764 * Danger Will Robinson write the rids here
7767 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7768 struct airo_info *ai = dev->ml_priv;
7771 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7772 unsigned char *iobuf;
7774 /* Only super-user can write RIDs */
7775 if (!capable(CAP_NET_ADMIN))
7778 if (test_bit(FLAG_FLASHING, &ai->flags))
7782 writer = do_writerid;
7784 switch(comp->command)
7786 case AIROPSIDS: ridcode = RID_SSID; break;
7787 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROPAPLIST: ridcode = RID_APLIST; break;
7789 case AIROPCFG: ai->config.len = 0;
7790 clear_bit(FLAG_COMMIT, &ai->flags);
7791 ridcode = RID_CONFIG; break;
7792 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7793 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7794 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7795 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7797 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7798 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7800 /* this is not really a rid but a command given to the card
7804 if (enable_MAC(ai, 1) != 0)
7809 * Evidently this code in the airo driver does not get a symbol
7810 * as disable_MAC. it's probably so short the compiler does not gen one.
7816 /* This command merely clears the counts does not actually store any data
7817 * only reads rid. But as it changes the cards state, I put it in the
7818 * writerid routines.
7821 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7824 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7826 enabled = ai->micstats.enabled;
7827 memset(&ai->micstats,0,sizeof(ai->micstats));
7828 ai->micstats.enabled = enabled;
7830 if (copy_to_user(comp->data, iobuf,
7831 min((int)comp->len, (int)RIDSIZE))) {
7839 return -EOPNOTSUPP; /* Blarg! */
7841 if(comp->len > RIDSIZE)
7844 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7847 if (copy_from_user(iobuf,comp->data,comp->len)) {
7852 if (comp->command == AIROPCFG) {
7853 ConfigRid *cfg = (ConfigRid *)iobuf;
7855 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7856 cfg->opmode |= MODE_MIC;
7858 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7859 set_bit (FLAG_ADHOC, &ai->flags);
7861 clear_bit (FLAG_ADHOC, &ai->flags);
7864 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7872 /*****************************************************************************
7873 * Ancillary flash / mod functions much black magic lurkes here *
7874 *****************************************************************************
7878 * Flash command switch table
7881 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7884 /* Only super-user can modify flash */
7885 if (!capable(CAP_NET_ADMIN))
7888 switch(comp->command)
7891 return cmdreset((struct airo_info *)dev->ml_priv);
7894 if (!AIRO_FLASH(dev) &&
7895 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7897 return setflashmode((struct airo_info *)dev->ml_priv);
7899 case AIROFLSHGCHR: /* Get char from aux */
7900 if(comp->len != sizeof(int))
7902 if (copy_from_user(&z,comp->data,comp->len))
7904 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7906 case AIROFLSHPCHR: /* Send char to card. */
7907 if(comp->len != sizeof(int))
7909 if (copy_from_user(&z,comp->data,comp->len))
7911 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7913 case AIROFLPUTBUF: /* Send 32k to card */
7914 if (!AIRO_FLASH(dev))
7916 if(comp->len > FLASHSIZE)
7918 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7921 flashputbuf((struct airo_info *)dev->ml_priv);
7925 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7932 #define FLASH_COMMAND 0x7e7e
7936 * Disable MAC and do soft reset on
7940 static int cmdreset(struct airo_info *ai) {
7944 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7948 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7950 ssleep(1); /* WAS 600 12/7/00 */
7953 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7960 * Put the card in legendary flash
7964 static int setflashmode (struct airo_info *ai) {
7965 set_bit (FLAG_FLASHING, &ai->flags);
7967 OUT4500(ai, SWS0, FLASH_COMMAND);
7968 OUT4500(ai, SWS1, FLASH_COMMAND);
7970 OUT4500(ai, SWS0, FLASH_COMMAND);
7971 OUT4500(ai, COMMAND,0x10);
7973 OUT4500(ai, SWS2, FLASH_COMMAND);
7974 OUT4500(ai, SWS3, FLASH_COMMAND);
7975 OUT4500(ai, COMMAND,0);
7977 msleep(500); /* 500ms delay */
7980 clear_bit (FLAG_FLASHING, &ai->flags);
7981 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7987 /* Put character to SWS0 wait for dwelltime
7991 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8002 /* Wait for busy bit d15 to go false indicating buffer empty */
8003 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8008 /* timeout for busy clear wait */
8010 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8014 /* Port is clear now write byte and wait for it to echo back */
8016 OUT4500(ai,SWS0,byte);
8019 echo = IN4500(ai,SWS1);
8020 } while (dwelltime >= 0 && echo != byte);
8024 return (echo == byte) ? 0 : -EIO;
8028 * Get a character from the card matching matchbyte
8031 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8033 unsigned char rbyte=0;
8036 rchar = IN4500(ai,SWS1);
8038 if(dwelltime && !(0x8000 & rchar)){
8043 rbyte = 0xff & rchar;
8045 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8049 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8053 }while(dwelltime > 0);
8058 * Transfer 32k of firmware data from user buffer to our buffer and
8062 static int flashputbuf(struct airo_info *ai){
8066 if (test_bit(FLAG_MPI,&ai->flags))
8067 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8069 OUT4500(ai,AUXPAGE,0x100);
8070 OUT4500(ai,AUXOFF,0);
8072 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8073 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8076 OUT4500(ai,SWS0,0x8000);
8084 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8087 ssleep(1); /* Added 12/7/00 */
8088 clear_bit (FLAG_FLASHING, &ai->flags);
8089 if (test_bit(FLAG_MPI, &ai->flags)) {
8090 status = mpi_init_descriptors(ai);
8091 if (status != SUCCESS)
8094 status = setup_card(ai, dev->dev_addr, 1);
8096 if (!test_bit(FLAG_MPI,&ai->flags))
8097 for( i = 0; i < MAX_FIDS; i++ ) {
8098 ai->fids[i] = transmit_allocate
8099 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8102 ssleep(1); /* Added 12/7/00 */
8105 #endif /* CISCO_EXT */
8108 This program is free software; you can redistribute it and/or
8109 modify it under the terms of the GNU General Public License
8110 as published by the Free Software Foundation; either version 2
8111 of the License, or (at your option) any later version.
8113 This program is distributed in the hope that it will be useful,
8114 but WITHOUT ANY WARRANTY; without even the implied warranty of
8115 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8116 GNU General Public License for more details.
8120 Redistribution and use in source and binary forms, with or without
8121 modification, are permitted provided that the following conditions
8124 1. Redistributions of source code must retain the above copyright
8125 notice, this list of conditions and the following disclaimer.
8126 2. Redistributions in binary form must reproduce the above copyright
8127 notice, this list of conditions and the following disclaimer in the
8128 documentation and/or other materials provided with the distribution.
8129 3. The name of the author may not be used to endorse or promote
8130 products derived from this software without specific prior written
8133 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8134 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8135 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8136 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8137 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8138 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8139 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8140 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8141 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8142 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8143 POSSIBILITY OF SUCH DAMAGE.
8146 module_init(airo_init_module);
8147 module_exit(airo_cleanup_module);