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];
1239 /* WPA-related stuff */
1240 unsigned int bssListFirst;
1241 unsigned int bssListNext;
1242 unsigned int bssListRidLen;
1244 struct list_head network_list;
1245 struct list_head network_free_list;
1246 BSSListElement *networks;
1249 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255 static int setup_proc_entry( struct net_device *dev,
1256 struct airo_info *apriv );
1257 static int takedown_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1260 static int cmdreset(struct airo_info *ai);
1261 static int setflashmode (struct airo_info *ai);
1262 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1263 static int flashputbuf(struct airo_info *ai);
1264 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1266 #define airo_print(type, name, fmt, args...) \
1267 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1269 #define airo_print_info(name, fmt, args...) \
1270 airo_print(KERN_INFO, name, fmt, ##args)
1272 #define airo_print_dbg(name, fmt, args...) \
1273 airo_print(KERN_DEBUG, name, fmt, ##args)
1275 #define airo_print_warn(name, fmt, args...) \
1276 airo_print(KERN_WARNING, name, fmt, ##args)
1278 #define airo_print_err(name, fmt, args...) \
1279 airo_print(KERN_ERR, name, fmt, ##args)
1281 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1283 /***********************************************************************
1285 ***********************************************************************
1288 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1289 static void MoveWindow(miccntx *context, u32 micSeq);
1290 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1291 struct crypto_cipher *tfm);
1292 static void emmh32_init(emmh32_context *context);
1293 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1294 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1295 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1297 /* micinit - Initialize mic seed */
1299 static void micinit(struct airo_info *ai)
1303 clear_bit(JOB_MIC, &ai->jobs);
1304 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1307 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1309 if (ai->micstats.enabled) {
1310 /* Key must be valid and different */
1311 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1312 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1313 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1314 /* Age current mic Context */
1315 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1316 /* Initialize new context */
1317 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1318 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1319 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1320 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1321 ai->mod[0].mCtx.valid = 1; //Key is now valid
1323 /* Give key to mic seed */
1324 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1327 /* Key must be valid and different */
1328 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1329 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1330 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1331 /* Age current mic Context */
1332 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1333 /* Initialize new context */
1334 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1336 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1337 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1338 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1339 ai->mod[0].uCtx.valid = 1; //Key is now valid
1341 //Give key to mic seed
1342 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1345 /* So next time we have a valid key and mic is enabled, we will update
1346 * the sequence number if the key is the same as before.
1348 ai->mod[0].uCtx.valid = 0;
1349 ai->mod[0].mCtx.valid = 0;
1353 /* micsetup - Get ready for business */
1355 static int micsetup(struct airo_info *ai) {
1358 if (ai->tfm == NULL)
1359 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1361 if (IS_ERR(ai->tfm)) {
1362 airo_print_err(ai->dev->name, "failed to load transform for AES");
1367 for (i=0; i < NUM_MODULES; i++) {
1368 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1369 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1374 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1376 /*===========================================================================
1377 * Description: Mic a packet
1379 * Inputs: etherHead * pointer to an 802.3 frame
1381 * Returns: BOOLEAN if successful, otherwise false.
1382 * PacketTxLen will be updated with the mic'd packets size.
1384 * Caveats: It is assumed that the frame buffer will already
1385 * be big enough to hold the largets mic message possible.
1386 * (No memory allocation is done here).
1388 * Author: sbraneky (10/15/01)
1389 * Merciless hacks by rwilcher (1/14/02)
1392 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396 // Determine correct context
1397 // If not adhoc, always use unicast key
1399 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1400 context = &ai->mod[0].mCtx;
1402 context = &ai->mod[0].uCtx;
1404 if (!context->valid)
1407 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1409 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412 mic->seq = htonl(context->tx);
1415 emmh32_init(&context->seed); // Mic the packet
1416 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1417 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1418 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1419 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1420 emmh32_final(&context->seed, (u8*)&mic->mic);
1422 /* New Type/length ?????????? */
1423 mic->typelen = 0; //Let NIC know it could be an oversized packet
1435 /*===========================================================================
1436 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1437 * (removes the MIC stuff) if packet is a valid packet.
1439 * Inputs: etherHead pointer to the 802.3 packet
1441 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1443 * Author: sbraneky (10/15/01)
1444 * Merciless hacks by rwilcher (1/14/02)
1445 *---------------------------------------------------------------------------
1448 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1454 mic_error micError = NONE;
1456 // Check if the packet is a Mic'd packet
1458 if (!ai->micstats.enabled) {
1459 //No Mic set or Mic OFF but we received a MIC'd packet.
1460 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1461 ai->micstats.rxMICPlummed++;
1467 if (ntohs(mic->typelen) == 0x888E)
1470 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1471 // Mic enabled but packet isn't Mic'd
1472 ai->micstats.rxMICPlummed++;
1476 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1478 //At this point we a have a mic'd packet and mic is enabled
1479 //Now do the mic error checking.
1481 //Receive seq must be odd
1482 if ( (micSEQ & 1) == 0 ) {
1483 ai->micstats.rxWrongSequence++;
1487 for (i = 0; i < NUM_MODULES; i++) {
1488 int mcast = eth->da[0] & 1;
1489 //Determine proper context
1490 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1492 //Make sure context is valid
1493 if (!context->valid) {
1495 micError = NOMICPLUMMED;
1501 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1503 emmh32_init(&context->seed);
1504 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1505 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1506 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1507 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1509 emmh32_final(&context->seed, digest);
1511 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 micError = INCORRECTMIC;
1518 //Check Sequence number if mics pass
1519 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1520 ai->micstats.rxSuccess++;
1524 micError = SEQUENCE;
1527 // Update statistics
1529 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1530 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1531 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1538 /*===========================================================================
1539 * Description: Checks the Rx Seq number to make sure it is valid
1540 * and hasn't already been received
1542 * Inputs: miccntx - mic context to check seq against
1543 * micSeq - the Mic seq number
1545 * Returns: TRUE if valid otherwise FALSE.
1547 * Author: sbraneky (10/15/01)
1548 * Merciless hacks by rwilcher (1/14/02)
1549 *---------------------------------------------------------------------------
1552 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556 //Allow for the ap being rebooted - if it is then use the next
1557 //sequence number of the current sequence number - might go backwards
1560 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1561 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1562 context->window = (micSeq > 33) ? micSeq : 33;
1563 context->rx = 0; // Reset rx
1565 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1566 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1567 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1568 context->rx = 0; // Reset rx
1571 //Make sequence number relative to START of window
1572 seq = micSeq - (context->window - 33);
1574 //Too old of a SEQ number to check.
1579 //Window is infinite forward
1580 MoveWindow(context,micSeq);
1584 // We are in the window. Now check the context rx bit to see if it was already sent
1585 seq >>= 1; //divide by 2 because we only have odd numbers
1586 index = 1 << seq; //Get an index number
1588 if (!(context->rx & index)) {
1589 //micSEQ falls inside the window.
1590 //Add seqence number to the list of received numbers.
1591 context->rx |= index;
1593 MoveWindow(context,micSeq);
1600 static void MoveWindow(miccntx *context, u32 micSeq)
1604 //Move window if seq greater than the middle of the window
1605 if (micSeq > context->window) {
1606 shift = (micSeq - context->window) >> 1;
1610 context->rx >>= shift;
1614 context->window = micSeq; //Move window
1618 /*==============================================*/
1619 /*========== EMMH ROUTINES ====================*/
1620 /*==============================================*/
1622 /* mic accumulate */
1623 #define MIC_ACCUM(val) \
1624 context->accum += (u64)(val) * context->coeff[coeff_position++];
1626 static unsigned char aes_counter[16];
1628 /* expand the key to fill the MMH coefficient array */
1629 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1630 struct crypto_cipher *tfm)
1632 /* take the keying material, expand if necessary, truncate at 16-bytes */
1633 /* run through AES counter mode to generate context->coeff[] */
1637 u8 *cipher, plain[16];
1639 crypto_cipher_setkey(tfm, pkey, 16);
1641 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1642 aes_counter[15] = (u8)(counter >> 0);
1643 aes_counter[14] = (u8)(counter >> 8);
1644 aes_counter[13] = (u8)(counter >> 16);
1645 aes_counter[12] = (u8)(counter >> 24);
1647 memcpy (plain, aes_counter, 16);
1648 crypto_cipher_encrypt_one(tfm, plain, plain);
1650 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1651 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1657 /* prepare for calculation of a new mic */
1658 static void emmh32_init(emmh32_context *context)
1660 /* prepare for new mic calculation */
1662 context->position = 0;
1665 /* add some bytes to the mic calculation */
1666 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1668 int coeff_position, byte_position;
1670 if (len == 0) return;
1672 coeff_position = context->position >> 2;
1674 /* deal with partial 32-bit word left over from last update */
1675 byte_position = context->position & 3;
1676 if (byte_position) {
1677 /* have a partial word in part to deal with */
1679 if (len == 0) return;
1680 context->part.d8[byte_position++] = *pOctets++;
1681 context->position++;
1683 } while (byte_position < 4);
1684 MIC_ACCUM(ntohl(context->part.d32));
1687 /* deal with full 32-bit words */
1689 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1690 context->position += 4;
1695 /* deal with partial 32-bit word that will be left over from this update */
1698 context->part.d8[byte_position++] = *pOctets++;
1699 context->position++;
1704 /* mask used to zero empty bytes for final partial word */
1705 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1707 /* calculate the mic */
1708 static void emmh32_final(emmh32_context *context, u8 digest[4])
1710 int coeff_position, byte_position;
1716 coeff_position = context->position >> 2;
1718 /* deal with partial 32-bit word left over from last update */
1719 byte_position = context->position & 3;
1720 if (byte_position) {
1721 /* have a partial word in part to deal with */
1722 val = ntohl(context->part.d32);
1723 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 /* reduce the accumulated u64 to a 32-bit MIC */
1727 sum = context->accum;
1728 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1729 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1730 sum = utmp & 0xffffffffLL;
1731 if (utmp > 0x10000000fLL)
1735 digest[0] = (val>>24) & 0xFF;
1736 digest[1] = (val>>16) & 0xFF;
1737 digest[2] = (val>>8) & 0xFF;
1738 digest[3] = val & 0xFF;
1741 static int readBSSListRid(struct airo_info *ai, int first,
1748 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1749 memset(&cmd, 0, sizeof(cmd));
1750 cmd.cmd=CMD_LISTBSS;
1751 if (down_interruptible(&ai->sem))
1752 return -ERESTARTSYS;
1753 ai->list_bss_task = current;
1754 issuecommand(ai, &cmd, &rsp);
1756 /* Let the command take effect */
1757 schedule_timeout_uninterruptible(3 * HZ);
1758 ai->list_bss_task = NULL;
1760 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1761 list, ai->bssListRidLen, 1);
1764 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1766 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1767 wkr, sizeof(*wkr), lock);
1770 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1775 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1777 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1779 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1784 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1786 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1791 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794 static int readConfigRid(struct airo_info *ai, int lock)
1802 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1810 static inline void checkThrottle(struct airo_info *ai)
1813 /* Old hardware had a limit on encryption speed */
1814 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1815 for(i=0; i<8; i++) {
1816 if (ai->config.rates[i] > maxencrypt) {
1817 ai->config.rates[i] = 0;
1823 static int writeConfigRid(struct airo_info *ai, int lock)
1827 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 clear_bit (FLAG_COMMIT, &ai->flags);
1831 clear_bit (FLAG_RESET, &ai->flags);
1835 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1836 set_bit(FLAG_ADHOC, &ai->flags);
1838 clear_bit(FLAG_ADHOC, &ai->flags);
1840 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1845 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1850 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1855 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1860 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1865 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868 static void try_auto_wep(struct airo_info *ai)
1870 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1871 ai->expires = RUN_AT(3*HZ);
1872 wake_up_interruptible(&ai->thr_wait);
1876 static int airo_open(struct net_device *dev) {
1877 struct airo_info *ai = dev->ml_priv;
1880 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 /* Make sure the card is configured.
1884 * Wireless Extensions may postpone config changes until the card
1885 * is open (to pipeline changes and speed-up card setup). If
1886 * those changes are not yet commited, do it now - Jean II */
1887 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1889 writeConfigRid(ai, 1);
1892 if (ai->wifidev != dev) {
1893 clear_bit(JOB_DIE, &ai->jobs);
1894 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1895 if (IS_ERR(ai->airo_thread_task))
1896 return (int)PTR_ERR(ai->airo_thread_task);
1898 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1901 airo_print_err(dev->name,
1902 "register interrupt %d failed, rc %d",
1904 set_bit(JOB_DIE, &ai->jobs);
1905 kthread_stop(ai->airo_thread_task);
1909 /* Power on the MAC controller (which may have been disabled) */
1910 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1911 enable_interrupts(ai);
1917 netif_start_queue(dev);
1921 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1922 int npacks, pending;
1923 unsigned long flags;
1924 struct airo_info *ai = dev->ml_priv;
1927 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1930 npacks = skb_queue_len (&ai->txq);
1932 if (npacks >= MAXTXQ - 1) {
1933 netif_stop_queue (dev);
1934 if (npacks > MAXTXQ) {
1935 dev->stats.tx_fifo_errors++;
1938 skb_queue_tail (&ai->txq, skb);
1942 spin_lock_irqsave(&ai->aux_lock, flags);
1943 skb_queue_tail (&ai->txq, skb);
1944 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1945 spin_unlock_irqrestore(&ai->aux_lock,flags);
1946 netif_wake_queue (dev);
1949 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 mpi_send_packet (dev);
1958 * Attempt to transmit a packet. Can be called from interrupt
1959 * or transmit . return number of packets we tried to send
1962 static int mpi_send_packet (struct net_device *dev)
1964 struct sk_buff *skb;
1965 unsigned char *buffer;
1968 struct airo_info *ai = dev->ml_priv;
1971 /* get a packet to send */
1973 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1974 airo_print_err(dev->name,
1975 "%s: Dequeue'd zero in send_packet()",
1980 /* check min length*/
1981 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1984 ai->txfids[0].tx_desc.offset = 0;
1985 ai->txfids[0].tx_desc.valid = 1;
1986 ai->txfids[0].tx_desc.eoc = 1;
1987 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1990 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1991 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1992 * is immediatly after it. ------------------------------------------------
1993 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1994 * ------------------------------------------------
1997 memcpy((char *)ai->txfids[0].virtual_host_addr,
1998 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2000 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2001 sizeof(wifictlhdr8023));
2002 sendbuf = ai->txfids[0].virtual_host_addr +
2003 sizeof(wifictlhdr8023) + 2 ;
2006 * Firmware automaticly puts 802 header on so
2007 * we don't need to account for it in the length
2009 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2010 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2013 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2016 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2017 ai->txfids[0].tx_desc.len += sizeof(pMic);
2018 /* copy data into airo dma buffer */
2019 memcpy (sendbuf, buffer, sizeof(etherHead));
2020 buffer += sizeof(etherHead);
2021 sendbuf += sizeof(etherHead);
2022 memcpy (sendbuf, &pMic, sizeof(pMic));
2023 sendbuf += sizeof(pMic);
2024 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2026 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2028 dev->trans_start = jiffies;
2030 /* copy data into airo dma buffer */
2031 memcpy(sendbuf, buffer, len);
2034 memcpy_toio(ai->txfids[0].card_ram_off,
2035 &ai->txfids[0].tx_desc, sizeof(TxFid));
2037 OUT4500(ai, EVACK, 8);
2039 dev_kfree_skb_any(skb);
2043 static void get_tx_error(struct airo_info *ai, s32 fid)
2048 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2050 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2052 bap_read(ai, &status, 2, BAP0);
2054 if (le16_to_cpu(status) & 2) /* Too many retries */
2055 ai->dev->stats.tx_aborted_errors++;
2056 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2057 ai->dev->stats.tx_heartbeat_errors++;
2058 if (le16_to_cpu(status) & 8) /* Aid fail */
2060 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2061 ai->dev->stats.tx_carrier_errors++;
2062 if (le16_to_cpu(status) & 0x20) /* Association lost */
2064 /* We produce a TXDROP event only for retry or lifetime
2065 * exceeded, because that's the only status that really mean
2066 * that this particular node went away.
2067 * Other errors means that *we* screwed up. - Jean II */
2068 if ((le16_to_cpu(status) & 2) ||
2069 (le16_to_cpu(status) & 4)) {
2070 union iwreq_data wrqu;
2073 /* Faster to skip over useless data than to do
2074 * another bap_setup(). We are at offset 0x6 and
2075 * need to go to 0x18 and read 6 bytes - Jean II */
2076 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2078 /* Copy 802.11 dest address.
2079 * We use the 802.11 header because the frame may
2080 * not be 802.3 or may be mangled...
2081 * In Ad-Hoc mode, it will be the node address.
2082 * In managed mode, it will be most likely the AP addr
2083 * User space will figure out how to convert it to
2084 * whatever it needs (IP address or else).
2086 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2087 wrqu.addr.sa_family = ARPHRD_ETHER;
2089 /* Send event to user space */
2090 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2094 static void airo_end_xmit(struct net_device *dev) {
2097 struct airo_info *priv = dev->ml_priv;
2098 struct sk_buff *skb = priv->xmit.skb;
2099 int fid = priv->xmit.fid;
2100 u32 *fids = priv->fids;
2102 clear_bit(JOB_XMIT, &priv->jobs);
2103 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2104 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2108 if ( status == SUCCESS ) {
2109 dev->trans_start = jiffies;
2110 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2112 priv->fids[fid] &= 0xffff;
2113 dev->stats.tx_window_errors++;
2115 if (i < MAX_FIDS / 2)
2116 netif_wake_queue(dev);
2120 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2123 struct airo_info *priv = dev->ml_priv;
2124 u32 *fids = priv->fids;
2126 if ( skb == NULL ) {
2127 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2131 /* Find a vacant FID */
2132 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2133 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2135 if ( j >= MAX_FIDS / 2 ) {
2136 netif_stop_queue(dev);
2138 if (i == MAX_FIDS / 2) {
2139 dev->stats.tx_fifo_errors++;
2143 /* check min length*/
2144 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2145 /* Mark fid as used & save length for later */
2146 fids[i] |= (len << 16);
2147 priv->xmit.skb = skb;
2149 if (down_trylock(&priv->sem) != 0) {
2150 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2151 netif_stop_queue(dev);
2152 set_bit(JOB_XMIT, &priv->jobs);
2153 wake_up_interruptible(&priv->thr_wait);
2159 static void airo_end_xmit11(struct net_device *dev) {
2162 struct airo_info *priv = dev->ml_priv;
2163 struct sk_buff *skb = priv->xmit11.skb;
2164 int fid = priv->xmit11.fid;
2165 u32 *fids = priv->fids;
2167 clear_bit(JOB_XMIT11, &priv->jobs);
2168 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2169 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2173 if ( status == SUCCESS ) {
2174 dev->trans_start = jiffies;
2175 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2177 priv->fids[fid] &= 0xffff;
2178 dev->stats.tx_window_errors++;
2181 netif_wake_queue(dev);
2185 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2188 struct airo_info *priv = dev->ml_priv;
2189 u32 *fids = priv->fids;
2191 if (test_bit(FLAG_MPI, &priv->flags)) {
2192 /* Not implemented yet for MPI350 */
2193 netif_stop_queue(dev);
2197 if ( skb == NULL ) {
2198 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2202 /* Find a vacant FID */
2203 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2204 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2206 if ( j >= MAX_FIDS ) {
2207 netif_stop_queue(dev);
2209 if (i == MAX_FIDS) {
2210 dev->stats.tx_fifo_errors++;
2214 /* check min length*/
2215 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2216 /* Mark fid as used & save length for later */
2217 fids[i] |= (len << 16);
2218 priv->xmit11.skb = skb;
2219 priv->xmit11.fid = i;
2220 if (down_trylock(&priv->sem) != 0) {
2221 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2222 netif_stop_queue(dev);
2223 set_bit(JOB_XMIT11, &priv->jobs);
2224 wake_up_interruptible(&priv->thr_wait);
2226 airo_end_xmit11(dev);
2230 static void airo_read_stats(struct net_device *dev)
2232 struct airo_info *ai = dev->ml_priv;
2234 __le32 *vals = stats_rid.vals;
2236 clear_bit(JOB_STATS, &ai->jobs);
2237 if (ai->power.event) {
2241 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2244 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2245 le32_to_cpu(vals[45]);
2246 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2247 le32_to_cpu(vals[41]);
2248 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2249 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2250 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2251 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2252 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2253 dev->stats.tx_fifo_errors;
2254 dev->stats.multicast = le32_to_cpu(vals[43]);
2255 dev->stats.collisions = le32_to_cpu(vals[89]);
2257 /* detailed rx_errors: */
2258 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2259 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2260 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2261 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2264 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2266 struct airo_info *local = dev->ml_priv;
2268 if (!test_bit(JOB_STATS, &local->jobs)) {
2269 /* Get stats out of the card if available */
2270 if (down_trylock(&local->sem) != 0) {
2271 set_bit(JOB_STATS, &local->jobs);
2272 wake_up_interruptible(&local->thr_wait);
2274 airo_read_stats(dev);
2280 static void airo_set_promisc(struct airo_info *ai) {
2284 memset(&cmd, 0, sizeof(cmd));
2285 cmd.cmd=CMD_SETMODE;
2286 clear_bit(JOB_PROMISC, &ai->jobs);
2287 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2288 issuecommand(ai, &cmd, &rsp);
2292 static void airo_set_multicast_list(struct net_device *dev) {
2293 struct airo_info *ai = dev->ml_priv;
2295 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2296 change_bit(FLAG_PROMISC, &ai->flags);
2297 if (down_trylock(&ai->sem) != 0) {
2298 set_bit(JOB_PROMISC, &ai->jobs);
2299 wake_up_interruptible(&ai->thr_wait);
2301 airo_set_promisc(ai);
2304 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2305 /* Turn on multicast. (Should be already setup...) */
2309 static int airo_set_mac_address(struct net_device *dev, void *p)
2311 struct airo_info *ai = dev->ml_priv;
2312 struct sockaddr *addr = p;
2314 readConfigRid(ai, 1);
2315 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2316 set_bit (FLAG_COMMIT, &ai->flags);
2318 writeConfigRid (ai, 1);
2320 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2322 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2326 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2328 if ((new_mtu < 68) || (new_mtu > 2400))
2334 static LIST_HEAD(airo_devices);
2336 static void add_airo_dev(struct airo_info *ai)
2338 /* Upper layers already keep track of PCI devices,
2339 * so we only need to remember our non-PCI cards. */
2341 list_add_tail(&ai->dev_list, &airo_devices);
2344 static void del_airo_dev(struct airo_info *ai)
2347 list_del(&ai->dev_list);
2350 static int airo_close(struct net_device *dev) {
2351 struct airo_info *ai = dev->ml_priv;
2353 netif_stop_queue(dev);
2355 if (ai->wifidev != dev) {
2356 #ifdef POWER_ON_DOWN
2357 /* Shut power to the card. The idea is that the user can save
2358 * power when he doesn't need the card with "ifconfig down".
2359 * That's the method that is most friendly towards the network
2360 * stack (i.e. the network stack won't try to broadcast
2361 * anything on the interface and routes are gone. Jean II */
2362 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2365 disable_interrupts( ai );
2367 free_irq(dev->irq, dev);
2369 set_bit(JOB_DIE, &ai->jobs);
2370 kthread_stop(ai->airo_thread_task);
2375 void stop_airo_card( struct net_device *dev, int freeres )
2377 struct airo_info *ai = dev->ml_priv;
2379 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2381 disable_interrupts(ai);
2382 takedown_proc_entry( dev, ai );
2383 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2384 unregister_netdev( dev );
2386 unregister_netdev(ai->wifidev);
2387 free_netdev(ai->wifidev);
2390 clear_bit(FLAG_REGISTERED, &ai->flags);
2393 * Clean out tx queue
2395 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2396 struct sk_buff *skb = NULL;
2397 for (;(skb = skb_dequeue(&ai->txq));)
2401 airo_networks_free (ai);
2408 /* PCMCIA frees this stuff, so only for PCI and ISA */
2409 release_region( dev->base_addr, 64 );
2410 if (test_bit(FLAG_MPI, &ai->flags)) {
2412 mpi_unmap_card(ai->pci);
2414 iounmap(ai->pcimem);
2416 iounmap(ai->pciaux);
2417 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2418 ai->shared, ai->shared_dma);
2421 crypto_free_cipher(ai->tfm);
2426 EXPORT_SYMBOL(stop_airo_card);
2428 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2430 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2434 static void mpi_unmap_card(struct pci_dev *pci)
2436 unsigned long mem_start = pci_resource_start(pci, 1);
2437 unsigned long mem_len = pci_resource_len(pci, 1);
2438 unsigned long aux_start = pci_resource_start(pci, 2);
2439 unsigned long aux_len = AUXMEMSIZE;
2441 release_mem_region(aux_start, aux_len);
2442 release_mem_region(mem_start, mem_len);
2445 /*************************************************************
2446 * This routine assumes that descriptors have been setup .
2447 * Run at insmod time or after reset when the decriptors
2448 * have been initialized . Returns 0 if all is well nz
2449 * otherwise . Does not allocate memory but sets up card
2450 * using previously allocated descriptors.
2452 static int mpi_init_descriptors (struct airo_info *ai)
2459 /* Alloc card RX descriptors */
2460 netif_stop_queue(ai->dev);
2462 memset(&rsp,0,sizeof(rsp));
2463 memset(&cmd,0,sizeof(cmd));
2465 cmd.cmd = CMD_ALLOCATEAUX;
2467 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2468 cmd.parm2 = MPI_MAX_FIDS;
2469 rc=issuecommand(ai, &cmd, &rsp);
2470 if (rc != SUCCESS) {
2471 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2475 for (i=0; i<MPI_MAX_FIDS; i++) {
2476 memcpy_toio(ai->rxfids[i].card_ram_off,
2477 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2480 /* Alloc card TX descriptors */
2482 memset(&rsp,0,sizeof(rsp));
2483 memset(&cmd,0,sizeof(cmd));
2485 cmd.cmd = CMD_ALLOCATEAUX;
2487 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2488 cmd.parm2 = MPI_MAX_FIDS;
2490 for (i=0; i<MPI_MAX_FIDS; i++) {
2491 ai->txfids[i].tx_desc.valid = 1;
2492 memcpy_toio(ai->txfids[i].card_ram_off,
2493 &ai->txfids[i].tx_desc, sizeof(TxFid));
2495 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2497 rc=issuecommand(ai, &cmd, &rsp);
2498 if (rc != SUCCESS) {
2499 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2503 /* Alloc card Rid descriptor */
2504 memset(&rsp,0,sizeof(rsp));
2505 memset(&cmd,0,sizeof(cmd));
2507 cmd.cmd = CMD_ALLOCATEAUX;
2509 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2510 cmd.parm2 = 1; /* Magic number... */
2511 rc=issuecommand(ai, &cmd, &rsp);
2512 if (rc != SUCCESS) {
2513 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2517 memcpy_toio(ai->config_desc.card_ram_off,
2518 &ai->config_desc.rid_desc, sizeof(Rid));
2524 * We are setting up three things here:
2525 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2526 * 2) Map PCI memory for issueing commands.
2527 * 3) Allocate memory (shared) to send and receive ethernet frames.
2529 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2531 unsigned long mem_start, mem_len, aux_start, aux_len;
2534 dma_addr_t busaddroff;
2535 unsigned char *vpackoff;
2536 unsigned char __iomem *pciaddroff;
2538 mem_start = pci_resource_start(pci, 1);
2539 mem_len = pci_resource_len(pci, 1);
2540 aux_start = pci_resource_start(pci, 2);
2541 aux_len = AUXMEMSIZE;
2543 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2544 airo_print_err("", "Couldn't get region %x[%x]",
2545 (int)mem_start, (int)mem_len);
2548 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2549 airo_print_err("", "Couldn't get region %x[%x]",
2550 (int)aux_start, (int)aux_len);
2554 ai->pcimem = ioremap(mem_start, mem_len);
2556 airo_print_err("", "Couldn't map region %x[%x]",
2557 (int)mem_start, (int)mem_len);
2560 ai->pciaux = ioremap(aux_start, aux_len);
2562 airo_print_err("", "Couldn't map region %x[%x]",
2563 (int)aux_start, (int)aux_len);
2567 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2568 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2570 airo_print_err("", "Couldn't alloc_consistent %d",
2576 * Setup descriptor RX, TX, CONFIG
2578 busaddroff = ai->shared_dma;
2579 pciaddroff = ai->pciaux + AUX_OFFSET;
2580 vpackoff = ai->shared;
2582 /* RX descriptor setup */
2583 for(i = 0; i < MPI_MAX_FIDS; i++) {
2584 ai->rxfids[i].pending = 0;
2585 ai->rxfids[i].card_ram_off = pciaddroff;
2586 ai->rxfids[i].virtual_host_addr = vpackoff;
2587 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2588 ai->rxfids[i].rx_desc.valid = 1;
2589 ai->rxfids[i].rx_desc.len = PKTSIZE;
2590 ai->rxfids[i].rx_desc.rdy = 0;
2592 pciaddroff += sizeof(RxFid);
2593 busaddroff += PKTSIZE;
2594 vpackoff += PKTSIZE;
2597 /* TX descriptor setup */
2598 for(i = 0; i < MPI_MAX_FIDS; i++) {
2599 ai->txfids[i].card_ram_off = pciaddroff;
2600 ai->txfids[i].virtual_host_addr = vpackoff;
2601 ai->txfids[i].tx_desc.valid = 1;
2602 ai->txfids[i].tx_desc.host_addr = busaddroff;
2603 memcpy(ai->txfids[i].virtual_host_addr,
2604 &wifictlhdr8023, sizeof(wifictlhdr8023));
2606 pciaddroff += sizeof(TxFid);
2607 busaddroff += PKTSIZE;
2608 vpackoff += PKTSIZE;
2610 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2612 /* Rid descriptor setup */
2613 ai->config_desc.card_ram_off = pciaddroff;
2614 ai->config_desc.virtual_host_addr = vpackoff;
2615 ai->config_desc.rid_desc.host_addr = busaddroff;
2616 ai->ridbus = busaddroff;
2617 ai->config_desc.rid_desc.rid = 0;
2618 ai->config_desc.rid_desc.len = RIDSIZE;
2619 ai->config_desc.rid_desc.valid = 1;
2620 pciaddroff += sizeof(Rid);
2621 busaddroff += RIDSIZE;
2622 vpackoff += RIDSIZE;
2624 /* Tell card about descriptors */
2625 if (mpi_init_descriptors (ai) != SUCCESS)
2630 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2632 iounmap(ai->pciaux);
2634 iounmap(ai->pcimem);
2636 release_mem_region(aux_start, aux_len);
2638 release_mem_region(mem_start, mem_len);
2643 static const struct header_ops airo_header_ops = {
2644 .parse = wll_header_parse,
2647 static void wifi_setup(struct net_device *dev)
2649 dev->header_ops = &airo_header_ops;
2650 dev->hard_start_xmit = &airo_start_xmit11;
2651 dev->get_stats = &airo_get_stats;
2652 dev->set_mac_address = &airo_set_mac_address;
2653 dev->do_ioctl = &airo_ioctl;
2654 dev->wireless_handlers = &airo_handler_def;
2655 dev->change_mtu = &airo_change_mtu;
2656 dev->open = &airo_open;
2657 dev->stop = &airo_close;
2659 dev->type = ARPHRD_IEEE80211;
2660 dev->hard_header_len = ETH_HLEN;
2661 dev->mtu = AIRO_DEF_MTU;
2662 dev->addr_len = ETH_ALEN;
2663 dev->tx_queue_len = 100;
2665 memset(dev->broadcast,0xFF, ETH_ALEN);
2667 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2670 static struct net_device *init_wifidev(struct airo_info *ai,
2671 struct net_device *ethdev)
2674 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2677 dev->ml_priv = ethdev->ml_priv;
2678 dev->irq = ethdev->irq;
2679 dev->base_addr = ethdev->base_addr;
2680 dev->wireless_data = ethdev->wireless_data;
2681 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2682 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2683 err = register_netdev(dev);
2691 static int reset_card( struct net_device *dev , int lock) {
2692 struct airo_info *ai = dev->ml_priv;
2694 if (lock && down_interruptible(&ai->sem))
2697 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2706 #define AIRO_MAX_NETWORK_COUNT 64
2707 static int airo_networks_allocate(struct airo_info *ai)
2713 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2715 if (!ai->networks) {
2716 airo_print_warn("", "Out of memory allocating beacons");
2723 static void airo_networks_free(struct airo_info *ai)
2725 kfree(ai->networks);
2726 ai->networks = NULL;
2729 static void airo_networks_initialize(struct airo_info *ai)
2733 INIT_LIST_HEAD(&ai->network_free_list);
2734 INIT_LIST_HEAD(&ai->network_list);
2735 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2736 list_add_tail(&ai->networks[i].list,
2737 &ai->network_free_list);
2740 static struct net_device *_init_airo_card( unsigned short irq, int port,
2741 int is_pcmcia, struct pci_dev *pci,
2742 struct device *dmdev )
2744 struct net_device *dev;
2745 struct airo_info *ai;
2747 CapabilityRid cap_rid;
2749 /* Create the network device object. */
2750 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2752 airo_print_err("", "Couldn't alloc_etherdev");
2756 ai = dev->ml_priv = netdev_priv(dev);
2758 ai->flags = 1 << FLAG_RADIO_DOWN;
2761 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2762 airo_print_dbg("", "Found an MPI350 card");
2763 set_bit(FLAG_MPI, &ai->flags);
2765 spin_lock_init(&ai->aux_lock);
2766 sema_init(&ai->sem, 1);
2769 init_waitqueue_head (&ai->thr_wait);
2773 if (airo_networks_allocate (ai))
2775 airo_networks_initialize (ai);
2777 /* The Airo-specific entries in the device structure. */
2778 if (test_bit(FLAG_MPI,&ai->flags)) {
2779 skb_queue_head_init (&ai->txq);
2780 dev->hard_start_xmit = &mpi_start_xmit;
2782 dev->hard_start_xmit = &airo_start_xmit;
2783 dev->get_stats = &airo_get_stats;
2784 dev->set_multicast_list = &airo_set_multicast_list;
2785 dev->set_mac_address = &airo_set_mac_address;
2786 dev->do_ioctl = &airo_ioctl;
2787 dev->wireless_handlers = &airo_handler_def;
2788 ai->wireless_data.spy_data = &ai->spy_data;
2789 dev->wireless_data = &ai->wireless_data;
2790 dev->change_mtu = &airo_change_mtu;
2791 dev->open = &airo_open;
2792 dev->stop = &airo_close;
2794 dev->base_addr = port;
2796 SET_NETDEV_DEV(dev, dmdev);
2798 reset_card (dev, 1);
2802 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2804 airo_print_err(dev->name, "Couldn't request region");
2809 if (test_bit(FLAG_MPI,&ai->flags)) {
2810 if (mpi_map_card(ai, pci)) {
2811 airo_print_err("", "Could not map memory");
2817 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2818 airo_print_err(dev->name, "MAC could not be enabled" );
2822 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2823 ai->bap_read = fast_bap_read;
2824 set_bit(FLAG_FLASHING, &ai->flags);
2827 strcpy(dev->name, "eth%d");
2828 rc = register_netdev(dev);
2830 airo_print_err(dev->name, "Couldn't register_netdev");
2833 ai->wifidev = init_wifidev(ai, dev);
2837 rc = readCapabilityRid(ai, &cap_rid, 1);
2838 if (rc != SUCCESS) {
2842 /* WEP capability discovery */
2843 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2844 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2846 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2847 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2848 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2849 le16_to_cpu(cap_rid.softSubVer));
2851 /* Test for WPA support */
2852 /* Only firmware versions 5.30.17 or better can do WPA */
2853 if (le16_to_cpu(cap_rid.softVer) > 0x530
2854 || (le16_to_cpu(cap_rid.softVer) == 0x530
2855 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2856 airo_print_info(ai->dev->name, "WPA supported.");
2858 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2859 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2860 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2861 ai->bssListRidLen = sizeof(BSSListRid);
2863 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2864 "versions older than 5.30.17.");
2866 ai->bssListFirst = RID_BSSLISTFIRST;
2867 ai->bssListNext = RID_BSSLISTNEXT;
2868 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2871 set_bit(FLAG_REGISTERED,&ai->flags);
2872 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2874 /* Allocate the transmit buffers */
2875 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2876 for( i = 0; i < MAX_FIDS; i++ )
2877 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2879 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2885 unregister_netdev(ai->wifidev);
2886 free_netdev(ai->wifidev);
2888 unregister_netdev(dev);
2890 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2891 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2892 iounmap(ai->pciaux);
2893 iounmap(ai->pcimem);
2894 mpi_unmap_card(ai->pci);
2898 release_region( dev->base_addr, 64 );
2900 airo_networks_free(ai);
2907 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2908 struct device *dmdev)
2910 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2913 EXPORT_SYMBOL(init_airo_card);
2915 static int waitbusy (struct airo_info *ai) {
2917 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2919 if ((++delay % 20) == 0)
2920 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2922 return delay < 10000;
2925 int reset_airo_card( struct net_device *dev )
2928 struct airo_info *ai = dev->ml_priv;
2930 if (reset_card (dev, 1))
2933 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2934 airo_print_err(dev->name, "MAC could not be enabled");
2937 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2938 /* Allocate the transmit buffers if needed */
2939 if (!test_bit(FLAG_MPI,&ai->flags))
2940 for( i = 0; i < MAX_FIDS; i++ )
2941 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2943 enable_interrupts( ai );
2944 netif_wake_queue(dev);
2948 EXPORT_SYMBOL(reset_airo_card);
2950 static void airo_send_event(struct net_device *dev) {
2951 struct airo_info *ai = dev->ml_priv;
2952 union iwreq_data wrqu;
2953 StatusRid status_rid;
2955 clear_bit(JOB_EVENT, &ai->jobs);
2956 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2958 wrqu.data.length = 0;
2959 wrqu.data.flags = 0;
2960 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2961 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2963 /* Send event to user space */
2964 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2967 static void airo_process_scan_results (struct airo_info *ai) {
2968 union iwreq_data wrqu;
2971 BSSListElement * loop_net;
2972 BSSListElement * tmp_net;
2974 /* Blow away current list of scan results */
2975 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2976 list_move_tail (&loop_net->list, &ai->network_free_list);
2977 /* Don't blow away ->list, just BSS data */
2978 memset (loop_net, 0, sizeof (loop_net->bss));
2981 /* Try to read the first entry of the scan result */
2982 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2983 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2984 /* No scan results */
2988 /* Read and parse all entries */
2990 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2991 /* Grab a network off the free list */
2992 if (!list_empty(&ai->network_free_list)) {
2993 tmp_net = list_entry(ai->network_free_list.next,
2994 BSSListElement, list);
2995 list_del(ai->network_free_list.next);
2998 if (tmp_net != NULL) {
2999 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3000 list_add_tail(&tmp_net->list, &ai->network_list);
3004 /* Read next entry */
3005 rc = PC4500_readrid(ai, ai->bssListNext,
3006 &bss, ai->bssListRidLen, 0);
3010 ai->scan_timeout = 0;
3011 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3014 /* Send an empty event to user space.
3015 * We don't send the received data on
3016 * the event because it would require
3017 * us to do complex transcoding, and
3018 * we want to minimise the work done in
3019 * the irq handler. Use a request to
3020 * extract the data - Jean II */
3021 wrqu.data.length = 0;
3022 wrqu.data.flags = 0;
3023 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3026 static int airo_thread(void *data) {
3027 struct net_device *dev = data;
3028 struct airo_info *ai = dev->ml_priv;
3033 /* make swsusp happy with our thread */
3036 if (test_bit(JOB_DIE, &ai->jobs))
3040 locked = down_interruptible(&ai->sem);
3044 init_waitqueue_entry(&wait, current);
3045 add_wait_queue(&ai->thr_wait, &wait);
3047 set_current_state(TASK_INTERRUPTIBLE);
3050 if (ai->expires || ai->scan_timeout) {
3051 if (ai->scan_timeout &&
3052 time_after_eq(jiffies,ai->scan_timeout)){
3053 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3055 } else if (ai->expires &&
3056 time_after_eq(jiffies,ai->expires)){
3057 set_bit(JOB_AUTOWEP, &ai->jobs);
3060 if (!kthread_should_stop() &&
3061 !freezing(current)) {
3062 unsigned long wake_at;
3063 if (!ai->expires || !ai->scan_timeout) {
3064 wake_at = max(ai->expires,
3067 wake_at = min(ai->expires,
3070 schedule_timeout(wake_at - jiffies);
3073 } else if (!kthread_should_stop() &&
3074 !freezing(current)) {
3080 current->state = TASK_RUNNING;
3081 remove_wait_queue(&ai->thr_wait, &wait);
3088 if (test_bit(JOB_DIE, &ai->jobs)) {
3093 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3098 if (test_bit(JOB_XMIT, &ai->jobs))
3100 else if (test_bit(JOB_XMIT11, &ai->jobs))
3101 airo_end_xmit11(dev);
3102 else if (test_bit(JOB_STATS, &ai->jobs))
3103 airo_read_stats(dev);
3104 else if (test_bit(JOB_WSTATS, &ai->jobs))
3105 airo_read_wireless_stats(ai);
3106 else if (test_bit(JOB_PROMISC, &ai->jobs))
3107 airo_set_promisc(ai);
3108 else if (test_bit(JOB_MIC, &ai->jobs))
3110 else if (test_bit(JOB_EVENT, &ai->jobs))
3111 airo_send_event(dev);
3112 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3114 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3115 airo_process_scan_results(ai);
3116 else /* Shouldn't get here, but we make sure to unlock */
3123 static int header_len(__le16 ctl)
3125 u16 fc = le16_to_cpu(ctl);
3128 if ((fc & 0xe0) == 0xc0)
3129 return 10; /* one-address control packet */
3130 return 16; /* two-address control packet */
3132 if ((fc & 0x300) == 0x300)
3133 return 30; /* WDS packet */
3138 static void airo_handle_cisco_mic(struct airo_info *ai)
3140 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3141 set_bit(JOB_MIC, &ai->jobs);
3142 wake_up_interruptible(&ai->thr_wait);
3146 /* Airo Status codes */
3147 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3148 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3149 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3150 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3151 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3152 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3153 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3154 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3155 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3156 #define STAT_ASSOC 0x0400 /* Associated */
3157 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3159 static void airo_print_status(const char *devname, u16 status)
3161 u8 reason = status & 0xFF;
3165 airo_print_dbg(devname, "link lost (missed beacons)");
3167 case STAT_MAXRETRIES:
3169 airo_print_dbg(devname, "link lost (max retries)");
3171 case STAT_FORCELOSS:
3172 airo_print_dbg(devname, "link lost (local choice)");
3175 airo_print_dbg(devname, "link lost (TSF sync lost)");
3178 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3181 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3183 case STAT_ASSOC_FAIL:
3184 airo_print_dbg(devname, "association failed (reason: %d)",
3187 case STAT_AUTH_FAIL:
3188 airo_print_dbg(devname, "authentication failed (reason: %d)",
3196 static void airo_handle_link(struct airo_info *ai)
3198 union iwreq_data wrqu;
3199 int scan_forceloss = 0;
3202 /* Get new status and acknowledge the link change */
3203 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3204 OUT4500(ai, EVACK, EV_LINK);
3206 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3209 airo_print_status(ai->dev->name, status);
3211 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3214 if (ai->list_bss_task)
3215 wake_up_process(ai->list_bss_task);
3216 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3217 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3219 if (down_trylock(&ai->sem) != 0) {
3220 set_bit(JOB_EVENT, &ai->jobs);
3221 wake_up_interruptible(&ai->thr_wait);
3223 airo_send_event(ai->dev);
3224 } else if (!scan_forceloss) {
3225 if (auto_wep && !ai->expires) {
3226 ai->expires = RUN_AT(3*HZ);
3227 wake_up_interruptible(&ai->thr_wait);
3230 /* Send event to user space */
3231 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3232 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3233 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3237 static void airo_handle_rx(struct airo_info *ai)
3239 struct sk_buff *skb = NULL;
3240 __le16 fc, v, *buffer, tmpbuf[4];
3241 u16 len, hdrlen = 0, gap, fid;
3245 if (test_bit(FLAG_MPI, &ai->flags)) {
3246 if (test_bit(FLAG_802_11, &ai->flags))
3247 mpi_receive_802_11(ai);
3249 mpi_receive_802_3(ai);
3250 OUT4500(ai, EVACK, EV_RX);
3254 fid = IN4500(ai, RXFID);
3256 /* Get the packet length */
3257 if (test_bit(FLAG_802_11, &ai->flags)) {
3258 bap_setup (ai, fid, 4, BAP0);
3259 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3260 /* Bad CRC. Ignore packet */
3261 if (le16_to_cpu(hdr.status) & 2)
3263 if (ai->wifidev == NULL)
3266 bap_setup(ai, fid, 0x36, BAP0);
3267 bap_read(ai, &hdr.len, 2, BAP0);
3269 len = le16_to_cpu(hdr.len);
3271 if (len > AIRO_DEF_MTU) {
3272 airo_print_err(ai->dev->name, "Bad size %d", len);
3278 if (test_bit(FLAG_802_11, &ai->flags)) {
3279 bap_read(ai, &fc, sizeof (fc), BAP0);
3280 hdrlen = header_len(fc);
3282 hdrlen = ETH_ALEN * 2;
3284 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3286 ai->dev->stats.rx_dropped++;
3290 skb_reserve(skb, 2); /* This way the IP header is aligned */
3291 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3292 if (test_bit(FLAG_802_11, &ai->flags)) {
3294 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3296 bap_read(ai, tmpbuf, 6, BAP0);
3298 bap_read(ai, &v, sizeof(v), BAP0);
3299 gap = le16_to_cpu(v);
3302 bap_read(ai, tmpbuf, gap, BAP0);
3304 airo_print_err(ai->dev->name, "gaplen too "
3305 "big. Problems will follow...");
3308 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3312 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3313 if (ai->micstats.enabled) {
3314 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3315 if (ntohs(micbuf.typelen) > 0x05DC)
3316 bap_setup(ai, fid, 0x44, BAP0);
3318 if (len <= sizeof (micbuf)) {
3319 dev_kfree_skb_irq(skb);
3323 len -= sizeof(micbuf);
3324 skb_trim(skb, len + hdrlen);
3328 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3329 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3330 dev_kfree_skb_irq (skb);
3336 if (success && (ai->spy_data.spy_number > 0)) {
3338 struct iw_quality wstats;
3340 /* Prepare spy data : addr + qual */
3341 if (!test_bit(FLAG_802_11, &ai->flags)) {
3342 sa = (char *) buffer + 6;
3343 bap_setup(ai, fid, 8, BAP0);
3344 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3346 sa = (char *) buffer + 10;
3347 wstats.qual = hdr.rssi[0];
3349 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3351 wstats.level = (hdr.rssi[1] + 321) / 2;
3352 wstats.noise = ai->wstats.qual.noise;
3353 wstats.updated = IW_QUAL_LEVEL_UPDATED
3354 | IW_QUAL_QUAL_UPDATED
3356 /* Update spy records */
3357 wireless_spy_update(ai->dev, sa, &wstats);
3359 #endif /* WIRELESS_SPY */
3362 OUT4500(ai, EVACK, EV_RX);
3365 if (test_bit(FLAG_802_11, &ai->flags)) {
3366 skb_reset_mac_header(skb);
3367 skb->pkt_type = PACKET_OTHERHOST;
3368 skb->dev = ai->wifidev;
3369 skb->protocol = htons(ETH_P_802_2);
3371 skb->protocol = eth_type_trans(skb, ai->dev);
3372 skb->ip_summed = CHECKSUM_NONE;
3378 static void airo_handle_tx(struct airo_info *ai, u16 status)
3380 int i, len = 0, index = -1;
3383 if (test_bit(FLAG_MPI, &ai->flags)) {
3384 unsigned long flags;
3386 if (status & EV_TXEXC)
3387 get_tx_error(ai, -1);
3389 spin_lock_irqsave(&ai->aux_lock, flags);
3390 if (!skb_queue_empty(&ai->txq)) {
3391 spin_unlock_irqrestore(&ai->aux_lock,flags);
3392 mpi_send_packet(ai->dev);
3394 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3395 spin_unlock_irqrestore(&ai->aux_lock,flags);
3396 netif_wake_queue(ai->dev);
3398 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3402 fid = IN4500(ai, TXCOMPLFID);
3404 for(i = 0; i < MAX_FIDS; i++) {
3405 if ((ai->fids[i] & 0xffff) == fid) {
3406 len = ai->fids[i] >> 16;
3412 if (status & EV_TXEXC)
3413 get_tx_error(ai, index);
3415 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3417 /* Set up to be used again */
3418 ai->fids[index] &= 0xffff;
3419 if (index < MAX_FIDS / 2) {
3420 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3421 netif_wake_queue(ai->dev);
3423 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3424 netif_wake_queue(ai->wifidev);
3427 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3428 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3432 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3434 struct net_device *dev = dev_id;
3435 u16 status, savedInterrupts = 0;
3436 struct airo_info *ai = dev->ml_priv;
3439 if (!netif_device_present(dev))
3443 status = IN4500(ai, EVSTAT);
3444 if (!(status & STATUS_INTS) || (status == 0xffff))
3449 if (status & EV_AWAKE) {
3450 OUT4500(ai, EVACK, EV_AWAKE);
3451 OUT4500(ai, EVACK, EV_AWAKE);
3454 if (!savedInterrupts) {
3455 savedInterrupts = IN4500(ai, EVINTEN);
3456 OUT4500(ai, EVINTEN, 0);
3459 if (status & EV_MIC) {
3460 OUT4500(ai, EVACK, EV_MIC);
3461 airo_handle_cisco_mic(ai);
3464 if (status & EV_LINK) {
3465 /* Link status changed */
3466 airo_handle_link(ai);
3469 /* Check to see if there is something to receive */
3473 /* Check to see if a packet has been transmitted */
3474 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3475 airo_handle_tx(ai, status);
3477 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3478 airo_print_warn(ai->dev->name, "Got weird status %x",
3479 status & ~STATUS_INTS & ~IGNORE_INTS );
3483 if (savedInterrupts)
3484 OUT4500(ai, EVINTEN, savedInterrupts);
3486 return IRQ_RETVAL(handled);
3490 * Routines to talk to the card
3494 * This was originally written for the 4500, hence the name
3495 * NOTE: If use with 8bit mode and SMP bad things will happen!
3496 * Why would some one do 8 bit IO in an SMP machine?!?
3498 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3499 if (test_bit(FLAG_MPI,&ai->flags))
3502 outw( val, ai->dev->base_addr + reg );
3504 outb( val & 0xff, ai->dev->base_addr + reg );
3505 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3509 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3512 if (test_bit(FLAG_MPI,&ai->flags))
3515 rc = inw( ai->dev->base_addr + reg );
3517 rc = inb( ai->dev->base_addr + reg );
3518 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3523 static int enable_MAC(struct airo_info *ai, int lock)
3529 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3530 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3531 * Note : we could try to use !netif_running(dev) in enable_MAC()
3532 * instead of this flag, but I don't trust it *within* the
3533 * open/close functions, and testing both flags together is
3534 * "cheaper" - Jean II */
3535 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3537 if (lock && down_interruptible(&ai->sem))
3538 return -ERESTARTSYS;
3540 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3541 memset(&cmd, 0, sizeof(cmd));
3542 cmd.cmd = MAC_ENABLE;
3543 rc = issuecommand(ai, &cmd, &rsp);
3545 set_bit(FLAG_ENABLED, &ai->flags);
3553 airo_print_err(ai->dev->name, "Cannot enable MAC");
3554 else if ((rsp.status & 0xFF00) != 0) {
3555 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3556 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3562 static void disable_MAC( struct airo_info *ai, int lock ) {
3566 if (lock && down_interruptible(&ai->sem))
3569 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3570 memset(&cmd, 0, sizeof(cmd));
3571 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3572 issuecommand(ai, &cmd, &rsp);
3573 clear_bit(FLAG_ENABLED, &ai->flags);
3579 static void enable_interrupts( struct airo_info *ai ) {
3580 /* Enable the interrupts */
3581 OUT4500( ai, EVINTEN, STATUS_INTS );
3584 static void disable_interrupts( struct airo_info *ai ) {
3585 OUT4500( ai, EVINTEN, 0 );
3588 static void mpi_receive_802_3(struct airo_info *ai)
3592 struct sk_buff *skb;
3597 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3598 /* Make sure we got something */
3599 if (rxd.rdy && rxd.valid == 0) {
3601 if (len < 12 || len > 2048)
3604 skb = dev_alloc_skb(len);
3606 ai->dev->stats.rx_dropped++;
3609 buffer = skb_put(skb,len);
3610 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3611 if (ai->micstats.enabled) {
3613 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3615 if (ntohs(micbuf.typelen) <= 0x05DC) {
3616 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3619 off = sizeof(micbuf);
3620 skb_trim (skb, len - off);
3623 memcpy(buffer + ETH_ALEN * 2,
3624 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3625 len - ETH_ALEN * 2 - off);
3626 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3628 dev_kfree_skb_irq (skb);
3632 if (ai->spy_data.spy_number > 0) {
3634 struct iw_quality wstats;
3635 /* Prepare spy data : addr + qual */
3636 sa = buffer + ETH_ALEN;
3637 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3640 /* Update spy records */
3641 wireless_spy_update(ai->dev, sa, &wstats);
3643 #endif /* WIRELESS_SPY */
3645 skb->ip_summed = CHECKSUM_NONE;
3646 skb->protocol = eth_type_trans(skb, ai->dev);
3650 if (rxd.valid == 0) {
3654 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3658 static void mpi_receive_802_11(struct airo_info *ai)
3661 struct sk_buff *skb = NULL;
3662 u16 len, hdrlen = 0;
3667 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3669 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3670 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3672 /* Bad CRC. Ignore packet */
3673 if (le16_to_cpu(hdr.status) & 2)
3675 if (ai->wifidev == NULL)
3677 len = le16_to_cpu(hdr.len);
3678 if (len > AIRO_DEF_MTU) {
3679 airo_print_err(ai->dev->name, "Bad size %d", len);
3685 fc = get_unaligned((__le16 *)ptr);
3686 hdrlen = header_len(fc);
3688 skb = dev_alloc_skb( len + hdrlen + 2 );
3690 ai->dev->stats.rx_dropped++;
3693 buffer = (u16*)skb_put (skb, len + hdrlen);
3694 memcpy ((char *)buffer, ptr, hdrlen);
3698 gap = get_unaligned_le16(ptr);
3699 ptr += sizeof(__le16);
3704 airo_print_err(ai->dev->name,
3705 "gaplen too big. Problems will follow...");
3707 memcpy ((char *)buffer + hdrlen, ptr, len);
3709 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3710 if (ai->spy_data.spy_number > 0) {
3712 struct iw_quality wstats;
3713 /* Prepare spy data : addr + qual */
3714 sa = (char*)buffer + 10;
3715 wstats.qual = hdr.rssi[0];
3717 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3719 wstats.level = (hdr.rssi[1] + 321) / 2;
3720 wstats.noise = ai->wstats.qual.noise;
3721 wstats.updated = IW_QUAL_QUAL_UPDATED
3722 | IW_QUAL_LEVEL_UPDATED
3724 /* Update spy records */
3725 wireless_spy_update(ai->dev, sa, &wstats);
3727 #endif /* IW_WIRELESS_SPY */
3728 skb_reset_mac_header(skb);
3729 skb->pkt_type = PACKET_OTHERHOST;
3730 skb->dev = ai->wifidev;
3731 skb->protocol = htons(ETH_P_802_2);
3732 skb->ip_summed = CHECKSUM_NONE;
3736 if (rxd.valid == 0) {
3740 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3744 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3755 memset( &mySsid, 0, sizeof( mySsid ) );
3759 /* The NOP is the first step in getting the card going */
3761 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3762 if (lock && down_interruptible(&ai->sem))
3764 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3769 disable_MAC( ai, 0);
3771 // Let's figure out if we need to use the AUX port
3772 if (!test_bit(FLAG_MPI,&ai->flags)) {
3773 cmd.cmd = CMD_ENABLEAUX;
3774 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3777 airo_print_err(ai->dev->name, "Error checking for AUX port");
3780 if (!aux_bap || rsp.status & 0xff00) {
3781 ai->bap_read = fast_bap_read;
3782 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3784 ai->bap_read = aux_bap_read;
3785 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3790 if (ai->config.len == 0) {
3791 tdsRssiRid rssi_rid;
3792 CapabilityRid cap_rid;
3798 // general configuration (read/modify/write)
3799 status = readConfigRid(ai, lock);
3800 if ( status != SUCCESS ) return ERROR;
3802 status = readCapabilityRid(ai, &cap_rid, lock);
3803 if ( status != SUCCESS ) return ERROR;
3805 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3806 if ( status == SUCCESS ) {
3807 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3808 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3813 if (cap_rid.softCap & cpu_to_le16(8))
3814 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3816 airo_print_warn(ai->dev->name, "unknown received signal "
3819 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3820 ai->config.authType = AUTH_OPEN;
3821 ai->config.modulation = MOD_CCK;
3823 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3824 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3825 micsetup(ai) == SUCCESS) {
3826 ai->config.opmode |= MODE_MIC;
3827 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3830 /* Save off the MAC */
3831 for( i = 0; i < ETH_ALEN; i++ ) {
3832 mac[i] = ai->config.macAddr[i];
3835 /* Check to see if there are any insmod configured
3839 memset(ai->config.rates,0,sizeof(ai->config.rates));
3840 for( i = 0; i < 8 && rates[i]; i++ ) {
3841 ai->config.rates[i] = rates[i];
3844 if ( basic_rate > 0 ) {
3846 for( i = 0; i < 8; i++ ) {
3847 if ( ai->config.rates[i] == basic_rate ||
3848 !ai->config.rates ) {
3849 ai->config.rates[i] = basic_rate | 0x80;
3854 set_bit (FLAG_COMMIT, &ai->flags);
3857 /* Setup the SSIDs if present */
3860 for( i = 0; i < 3 && ssids[i]; i++ ) {
3861 size_t len = strlen(ssids[i]);
3864 mySsid.ssids[i].len = cpu_to_le16(len);
3865 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3867 mySsid.len = cpu_to_le16(sizeof(mySsid));
3870 status = writeConfigRid(ai, lock);
3871 if ( status != SUCCESS ) return ERROR;
3873 /* Set up the SSID list */
3875 status = writeSsidRid(ai, &mySsid, lock);
3876 if ( status != SUCCESS ) return ERROR;
3879 status = enable_MAC(ai, lock);
3880 if (status != SUCCESS)
3883 /* Grab the initial wep key, we gotta save it for auto_wep */
3884 rc = readWepKeyRid(ai, &wkr, 1, lock);
3885 if (rc == SUCCESS) do {
3886 lastindex = wkr.kindex;
3887 if (wkr.kindex == cpu_to_le16(0xffff)) {
3888 ai->defindex = wkr.mac[0];
3890 rc = readWepKeyRid(ai, &wkr, 0, lock);
3891 } while(lastindex != wkr.kindex);
3898 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3899 // Im really paranoid about letting it run forever!
3900 int max_tries = 600000;
3902 if (IN4500(ai, EVSTAT) & EV_CMD)
3903 OUT4500(ai, EVACK, EV_CMD);
3905 OUT4500(ai, PARAM0, pCmd->parm0);
3906 OUT4500(ai, PARAM1, pCmd->parm1);
3907 OUT4500(ai, PARAM2, pCmd->parm2);
3908 OUT4500(ai, COMMAND, pCmd->cmd);
3910 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3911 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3912 // PC4500 didn't notice command, try again
3913 OUT4500(ai, COMMAND, pCmd->cmd);
3914 if (!in_atomic() && (max_tries & 255) == 0)
3918 if ( max_tries == -1 ) {
3919 airo_print_err(ai->dev->name,
3920 "Max tries exceeded when issueing command");
3921 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3922 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3926 // command completed
3927 pRsp->status = IN4500(ai, STATUS);
3928 pRsp->rsp0 = IN4500(ai, RESP0);
3929 pRsp->rsp1 = IN4500(ai, RESP1);
3930 pRsp->rsp2 = IN4500(ai, RESP2);
3931 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3932 airo_print_err(ai->dev->name,
3933 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3934 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3937 // clear stuck command busy if necessary
3938 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3939 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3941 // acknowledge processing the status/response
3942 OUT4500(ai, EVACK, EV_CMD);
3947 /* Sets up the bap to start exchange data. whichbap should
3948 * be one of the BAP0 or BAP1 defines. Locks should be held before
3950 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3955 OUT4500(ai, SELECT0+whichbap, rid);
3956 OUT4500(ai, OFFSET0+whichbap, offset);
3958 int status = IN4500(ai, OFFSET0+whichbap);
3959 if (status & BAP_BUSY) {
3960 /* This isn't really a timeout, but its kinda
3965 } else if ( status & BAP_ERR ) {
3966 /* invalid rid or offset */
3967 airo_print_err(ai->dev->name, "BAP error %x %d",
3970 } else if (status & BAP_DONE) { // success
3973 if ( !(max_tries--) ) {
3974 airo_print_err(ai->dev->name,
3975 "BAP setup error too many retries\n");
3978 // -- PC4500 missed it, try again
3979 OUT4500(ai, SELECT0+whichbap, rid);
3980 OUT4500(ai, OFFSET0+whichbap, offset);
3985 /* should only be called by aux_bap_read. This aux function and the
3986 following use concepts not documented in the developers guide. I
3987 got them from a patch given to my by Aironet */
3988 static u16 aux_setup(struct airo_info *ai, u16 page,
3989 u16 offset, u16 *len)
3993 OUT4500(ai, AUXPAGE, page);
3994 OUT4500(ai, AUXOFF, 0);
3995 next = IN4500(ai, AUXDATA);
3996 *len = IN4500(ai, AUXDATA)&0xff;
3997 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4001 /* requires call to bap_setup() first */
4002 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4003 int bytelen, int whichbap)
4011 unsigned long flags;
4013 spin_lock_irqsave(&ai->aux_lock, flags);
4014 page = IN4500(ai, SWS0+whichbap);
4015 offset = IN4500(ai, SWS2+whichbap);
4016 next = aux_setup(ai, page, offset, &len);
4017 words = (bytelen+1)>>1;
4019 for (i=0; i<words;) {
4021 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4023 insw( ai->dev->base_addr+DATA0+whichbap,
4026 insb( ai->dev->base_addr+DATA0+whichbap,
4027 pu16Dst+i, count << 1 );
4030 next = aux_setup(ai, next, 4, &len);
4033 spin_unlock_irqrestore(&ai->aux_lock, flags);
4038 /* requires call to bap_setup() first */
4039 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4040 int bytelen, int whichbap)
4042 bytelen = (bytelen + 1) & (~1); // round up to even value
4044 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4046 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4050 /* requires call to bap_setup() first */
4051 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4052 int bytelen, int whichbap)
4054 bytelen = (bytelen + 1) & (~1); // round up to even value
4056 outsw( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Src, bytelen>>1 );
4059 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4063 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4065 Cmd cmd; /* for issuing commands */
4066 Resp rsp; /* response from commands */
4069 memset(&cmd, 0, sizeof(cmd));
4072 status = issuecommand(ai, &cmd, &rsp);
4073 if (status != 0) return status;
4074 if ( (rsp.status & 0x7F00) != 0) {
4075 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4080 /* Note, that we are using BAP1 which is also used by transmit, so
4081 * we must get a lock. */
4082 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4088 if (down_interruptible(&ai->sem))
4091 if (test_bit(FLAG_MPI,&ai->flags)) {
4095 memset(&cmd, 0, sizeof(cmd));
4096 memset(&rsp, 0, sizeof(rsp));
4097 ai->config_desc.rid_desc.valid = 1;
4098 ai->config_desc.rid_desc.len = RIDSIZE;
4099 ai->config_desc.rid_desc.rid = 0;
4100 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4102 cmd.cmd = CMD_ACCESS;
4105 memcpy_toio(ai->config_desc.card_ram_off,
4106 &ai->config_desc.rid_desc, sizeof(Rid));
4108 rc = issuecommand(ai, &cmd, &rsp);
4110 if (rsp.status & 0x7f00)
4113 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4116 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4120 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4124 // read the rid length field
4125 bap_read(ai, pBuf, 2, BAP1);
4126 // length for remaining part of rid
4127 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4130 airo_print_err(ai->dev->name,
4131 "Rid %x has a length of %d which is too short",
4132 (int)rid, (int)len );
4136 // read remainder of the rid
4137 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4145 /* Note, that we are using BAP1 which is also used by transmit, so
4146 * make sure this isnt called when a transmit is happening */
4147 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4148 const void *pBuf, int len, int lock)
4153 *(__le16*)pBuf = cpu_to_le16((u16)len);
4156 if (down_interruptible(&ai->sem))
4159 if (test_bit(FLAG_MPI,&ai->flags)) {
4163 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4164 airo_print_err(ai->dev->name,
4165 "%s: MAC should be disabled (rid=%04x)",
4167 memset(&cmd, 0, sizeof(cmd));
4168 memset(&rsp, 0, sizeof(rsp));
4170 ai->config_desc.rid_desc.valid = 1;
4171 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4172 ai->config_desc.rid_desc.rid = 0;
4174 cmd.cmd = CMD_WRITERID;
4177 memcpy_toio(ai->config_desc.card_ram_off,
4178 &ai->config_desc.rid_desc, sizeof(Rid));
4180 if (len < 4 || len > 2047) {
4181 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4184 memcpy((char *)ai->config_desc.virtual_host_addr,
4187 rc = issuecommand(ai, &cmd, &rsp);
4188 if ((rc & 0xff00) != 0) {
4189 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4191 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4195 if ((rsp.status & 0x7f00))
4199 // --- first access so that we can write the rid data
4200 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4204 // --- now write the rid data
4205 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4209 bap_write(ai, pBuf, len, BAP1);
4210 // ---now commit the rid data
4211 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4219 /* Allocates a FID to be used for transmitting packets. We only use
4221 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4223 unsigned int loop = 3000;
4229 cmd.cmd = CMD_ALLOCATETX;
4230 cmd.parm0 = lenPayload;
4231 if (down_interruptible(&ai->sem))
4233 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4237 if ( (rsp.status & 0xFF00) != 0) {
4241 /* wait for the allocate event/indication
4242 * It makes me kind of nervous that this can just sit here and spin,
4243 * but in practice it only loops like four times. */
4244 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4250 // get the allocated fid and acknowledge
4251 txFid = IN4500(ai, TXALLOCFID);
4252 OUT4500(ai, EVACK, EV_ALLOC);
4254 /* The CARD is pretty cool since it converts the ethernet packet
4255 * into 802.11. Also note that we don't release the FID since we
4256 * will be using the same one over and over again. */
4257 /* We only have to setup the control once since we are not
4258 * releasing the fid. */
4260 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4261 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4263 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4264 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4265 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4268 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4276 /* In general BAP1 is dedicated to transmiting packets. However,
4277 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4278 Make sure the BAP1 spinlock is held when this is called. */
4279 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4290 if (len <= ETH_ALEN * 2) {
4291 airo_print_warn(ai->dev->name, "Short packet %d", len);
4294 len -= ETH_ALEN * 2;
4296 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4297 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4298 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4300 miclen = sizeof(pMic);
4302 // packet is destination[6], source[6], payload[len-12]
4303 // write the payload length and dst/src/payload
4304 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4305 /* The hardware addresses aren't counted as part of the payload, so
4306 * we have to subtract the 12 bytes for the addresses off */
4307 payloadLen = cpu_to_le16(len + miclen);
4308 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4309 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4311 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4312 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4313 // issue the transmit command
4314 memset( &cmd, 0, sizeof( cmd ) );
4315 cmd.cmd = CMD_TRANSMIT;
4317 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4318 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4322 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4324 __le16 fc, payloadLen;
4328 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4329 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4333 fc = *(__le16*)pPacket;
4334 hdrlen = header_len(fc);
4337 airo_print_warn(ai->dev->name, "Short packet %d", len);
4341 /* packet is 802.11 header + payload
4342 * write the payload length and dst/src/payload */
4343 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4344 /* The 802.11 header aren't counted as part of the payload, so
4345 * we have to subtract the header bytes off */
4346 payloadLen = cpu_to_le16(len-hdrlen);
4347 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4348 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4349 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4350 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4352 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4353 // issue the transmit command
4354 memset( &cmd, 0, sizeof( cmd ) );
4355 cmd.cmd = CMD_TRANSMIT;
4357 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4358 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4363 * This is the proc_fs routines. It is a bit messier than I would
4364 * like! Feel free to clean it up!
4367 static ssize_t proc_read( struct file *file,
4368 char __user *buffer,
4372 static ssize_t proc_write( struct file *file,
4373 const char __user *buffer,
4376 static int proc_close( struct inode *inode, struct file *file );
4378 static int proc_stats_open( struct inode *inode, struct file *file );
4379 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4380 static int proc_status_open( struct inode *inode, struct file *file );
4381 static int proc_SSID_open( struct inode *inode, struct file *file );
4382 static int proc_APList_open( struct inode *inode, struct file *file );
4383 static int proc_BSSList_open( struct inode *inode, struct file *file );
4384 static int proc_config_open( struct inode *inode, struct file *file );
4385 static int proc_wepkey_open( struct inode *inode, struct file *file );
4387 static const struct file_operations proc_statsdelta_ops = {
4388 .owner = THIS_MODULE,
4390 .open = proc_statsdelta_open,
4391 .release = proc_close
4394 static const struct file_operations proc_stats_ops = {
4395 .owner = THIS_MODULE,
4397 .open = proc_stats_open,
4398 .release = proc_close
4401 static const struct file_operations proc_status_ops = {
4402 .owner = THIS_MODULE,
4404 .open = proc_status_open,
4405 .release = proc_close
4408 static const struct file_operations proc_SSID_ops = {
4409 .owner = THIS_MODULE,
4411 .write = proc_write,
4412 .open = proc_SSID_open,
4413 .release = proc_close
4416 static const struct file_operations proc_BSSList_ops = {
4417 .owner = THIS_MODULE,
4419 .write = proc_write,
4420 .open = proc_BSSList_open,
4421 .release = proc_close
4424 static const struct file_operations proc_APList_ops = {
4425 .owner = THIS_MODULE,
4427 .write = proc_write,
4428 .open = proc_APList_open,
4429 .release = proc_close
4432 static const struct file_operations proc_config_ops = {
4433 .owner = THIS_MODULE,
4435 .write = proc_write,
4436 .open = proc_config_open,
4437 .release = proc_close
4440 static const struct file_operations proc_wepkey_ops = {
4441 .owner = THIS_MODULE,
4443 .write = proc_write,
4444 .open = proc_wepkey_open,
4445 .release = proc_close
4448 static struct proc_dir_entry *airo_entry;
4457 void (*on_close) (struct inode *, struct file *);
4460 static int setup_proc_entry( struct net_device *dev,
4461 struct airo_info *apriv ) {
4462 struct proc_dir_entry *entry;
4463 /* First setup the device directory */
4464 strcpy(apriv->proc_name,dev->name);
4465 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4468 if (!apriv->proc_entry)
4470 apriv->proc_entry->uid = proc_uid;
4471 apriv->proc_entry->gid = proc_gid;
4472 apriv->proc_entry->owner = THIS_MODULE;
4474 /* Setup the StatsDelta */
4475 entry = proc_create_data("StatsDelta",
4476 S_IFREG | (S_IRUGO&proc_perm),
4477 apriv->proc_entry, &proc_statsdelta_ops, dev);
4479 goto fail_stats_delta;
4480 entry->uid = proc_uid;
4481 entry->gid = proc_gid;
4483 /* Setup the Stats */
4484 entry = proc_create_data("Stats",
4485 S_IFREG | (S_IRUGO&proc_perm),
4486 apriv->proc_entry, &proc_stats_ops, dev);
4489 entry->uid = proc_uid;
4490 entry->gid = proc_gid;
4492 /* Setup the Status */
4493 entry = proc_create_data("Status",
4494 S_IFREG | (S_IRUGO&proc_perm),
4495 apriv->proc_entry, &proc_status_ops, dev);
4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
4501 /* Setup the Config */
4502 entry = proc_create_data("Config",
4503 S_IFREG | proc_perm,
4504 apriv->proc_entry, &proc_config_ops, dev);
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
4510 /* Setup the SSID */
4511 entry = proc_create_data("SSID",
4512 S_IFREG | proc_perm,
4513 apriv->proc_entry, &proc_SSID_ops, dev);
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4519 /* Setup the APList */
4520 entry = proc_create_data("APList",
4521 S_IFREG | proc_perm,
4522 apriv->proc_entry, &proc_APList_ops, dev);
4525 entry->uid = proc_uid;
4526 entry->gid = proc_gid;
4528 /* Setup the BSSList */
4529 entry = proc_create_data("BSSList",
4530 S_IFREG | proc_perm,
4531 apriv->proc_entry, &proc_BSSList_ops, dev);
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4537 /* Setup the WepKey */
4538 entry = proc_create_data("WepKey",
4539 S_IFREG | proc_perm,
4540 apriv->proc_entry, &proc_wepkey_ops, dev);
4543 entry->uid = proc_uid;
4544 entry->gid = proc_gid;
4549 remove_proc_entry("BSSList", apriv->proc_entry);
4551 remove_proc_entry("APList", apriv->proc_entry);
4553 remove_proc_entry("SSID", apriv->proc_entry);
4555 remove_proc_entry("Config", apriv->proc_entry);
4557 remove_proc_entry("Status", apriv->proc_entry);
4559 remove_proc_entry("Stats", apriv->proc_entry);
4561 remove_proc_entry("StatsDelta", apriv->proc_entry);
4563 remove_proc_entry(apriv->proc_name, airo_entry);
4568 static int takedown_proc_entry( struct net_device *dev,
4569 struct airo_info *apriv ) {
4570 if ( !apriv->proc_entry->namelen ) return 0;
4571 remove_proc_entry("Stats",apriv->proc_entry);
4572 remove_proc_entry("StatsDelta",apriv->proc_entry);
4573 remove_proc_entry("Status",apriv->proc_entry);
4574 remove_proc_entry("Config",apriv->proc_entry);
4575 remove_proc_entry("SSID",apriv->proc_entry);
4576 remove_proc_entry("APList",apriv->proc_entry);
4577 remove_proc_entry("BSSList",apriv->proc_entry);
4578 remove_proc_entry("WepKey",apriv->proc_entry);
4579 remove_proc_entry(apriv->proc_name,airo_entry);
4584 * What we want from the proc_fs is to be able to efficiently read
4585 * and write the configuration. To do this, we want to read the
4586 * configuration when the file is opened and write it when the file is
4587 * closed. So basically we allocate a read buffer at open and fill it
4588 * with data, and allocate a write buffer and read it at close.
4592 * The read routine is generic, it relies on the preallocated rbuffer
4593 * to supply the data.
4595 static ssize_t proc_read( struct file *file,
4596 char __user *buffer,
4600 struct proc_data *priv = file->private_data;
4605 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4610 * The write routine is generic, it fills in a preallocated rbuffer
4611 * to supply the data.
4613 static ssize_t proc_write( struct file *file,
4614 const char __user *buffer,
4618 loff_t pos = *offset;
4619 struct proc_data *priv = (struct proc_data*)file->private_data;
4626 if (pos >= priv->maxwritelen)
4628 if (len > priv->maxwritelen - pos)
4629 len = priv->maxwritelen - pos;
4630 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4632 if ( pos + len > priv->writelen )
4633 priv->writelen = len + file->f_pos;
4634 *offset = pos + len;
4638 static int proc_status_open(struct inode *inode, struct file *file)
4640 struct proc_data *data;
4641 struct proc_dir_entry *dp = PDE(inode);
4642 struct net_device *dev = dp->data;
4643 struct airo_info *apriv = dev->ml_priv;
4644 CapabilityRid cap_rid;
4645 StatusRid status_rid;
4649 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4651 data = (struct proc_data *)file->private_data;
4652 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4653 kfree (file->private_data);
4657 readStatusRid(apriv, &status_rid, 1);
4658 readCapabilityRid(apriv, &cap_rid, 1);
4660 mode = le16_to_cpu(status_rid.mode);
4662 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4663 mode & 1 ? "CFG ": "",
4664 mode & 2 ? "ACT ": "",
4665 mode & 0x10 ? "SYN ": "",
4666 mode & 0x20 ? "LNK ": "",
4667 mode & 0x40 ? "LEAP ": "",
4668 mode & 0x80 ? "PRIV ": "",
4669 mode & 0x100 ? "KEY ": "",
4670 mode & 0x200 ? "WEP ": "",
4671 mode & 0x8000 ? "ERR ": "");
4672 sprintf( data->rbuffer+i, "Mode: %x\n"
4673 "Signal Strength: %d\n"
4674 "Signal Quality: %d\n"
4679 "Driver Version: %s\n"
4680 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4681 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4682 "Software Version: %x\nSoftware Subversion: %x\n"
4683 "Boot block version: %x\n",
4684 le16_to_cpu(status_rid.mode),
4685 le16_to_cpu(status_rid.normalizedSignalStrength),
4686 le16_to_cpu(status_rid.signalQuality),
4687 le16_to_cpu(status_rid.SSIDlen),
4690 le16_to_cpu(status_rid.channel),
4691 le16_to_cpu(status_rid.currentXmitRate) / 2,
4696 le16_to_cpu(cap_rid.radioType),
4697 le16_to_cpu(cap_rid.country),
4698 le16_to_cpu(cap_rid.hardVer),
4699 le16_to_cpu(cap_rid.softVer),
4700 le16_to_cpu(cap_rid.softSubVer),
4701 le16_to_cpu(cap_rid.bootBlockVer));
4702 data->readlen = strlen( data->rbuffer );
4706 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4707 static int proc_statsdelta_open( struct inode *inode,
4708 struct file *file ) {
4709 if (file->f_mode&FMODE_WRITE) {
4710 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4715 static int proc_stats_open( struct inode *inode, struct file *file ) {
4716 return proc_stats_rid_open(inode, file, RID_STATS);
4719 static int proc_stats_rid_open( struct inode *inode,
4723 struct proc_data *data;
4724 struct proc_dir_entry *dp = PDE(inode);
4725 struct net_device *dev = dp->data;
4726 struct airo_info *apriv = dev->ml_priv;
4729 __le32 *vals = stats.vals;
4730 int len = le16_to_cpu(stats.len);
4732 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4734 data = (struct proc_data *)file->private_data;
4735 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4736 kfree (file->private_data);
4740 readStatsRid(apriv, &stats, rid, 1);
4743 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4744 if (!statsLabels[i]) continue;
4745 if (j+strlen(statsLabels[i])+16>4096) {
4746 airo_print_warn(apriv->dev->name,
4747 "Potentially disasterous buffer overflow averted!");
4750 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4751 le32_to_cpu(vals[i]));
4754 airo_print_warn(apriv->dev->name, "Got a short rid");
4760 static int get_dec_u16( char *buffer, int *start, int limit ) {
4763 for( value = 0; buffer[*start] >= '0' &&
4764 buffer[*start] <= '9' &&
4765 *start < limit; (*start)++ ) {
4768 value += buffer[*start] - '0';
4770 if ( !valid ) return -1;
4774 static int airo_config_commit(struct net_device *dev,
4775 struct iw_request_info *info, void *zwrq,
4778 static inline int sniffing_mode(struct airo_info *ai)
4780 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4781 le16_to_cpu(RXMODE_RFMON);
4784 static void proc_config_on_close(struct inode *inode, struct file *file)
4786 struct proc_data *data = file->private_data;
4787 struct proc_dir_entry *dp = PDE(inode);
4788 struct net_device *dev = dp->data;
4789 struct airo_info *ai = dev->ml_priv;
4792 if ( !data->writelen ) return;
4794 readConfigRid(ai, 1);
4795 set_bit (FLAG_COMMIT, &ai->flags);
4797 line = data->wbuffer;
4799 /*** Mode processing */
4800 if ( !strncmp( line, "Mode: ", 6 ) ) {
4802 if (sniffing_mode(ai))
4803 set_bit (FLAG_RESET, &ai->flags);
4804 ai->config.rmode &= ~RXMODE_FULL_MASK;
4805 clear_bit (FLAG_802_11, &ai->flags);
4806 ai->config.opmode &= ~MODE_CFG_MASK;
4807 ai->config.scanMode = SCANMODE_ACTIVE;
4808 if ( line[0] == 'a' ) {
4809 ai->config.opmode |= MODE_STA_IBSS;
4811 ai->config.opmode |= MODE_STA_ESS;
4812 if ( line[0] == 'r' ) {
4813 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4814 ai->config.scanMode = SCANMODE_PASSIVE;
4815 set_bit (FLAG_802_11, &ai->flags);
4816 } else if ( line[0] == 'y' ) {
4817 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4818 ai->config.scanMode = SCANMODE_PASSIVE;
4819 set_bit (FLAG_802_11, &ai->flags);
4820 } else if ( line[0] == 'l' )
4821 ai->config.rmode |= RXMODE_LANMON;
4823 set_bit (FLAG_COMMIT, &ai->flags);
4826 /*** Radio status */
4827 else if (!strncmp(line,"Radio: ", 7)) {
4829 if (!strncmp(line,"off",3)) {
4830 set_bit (FLAG_RADIO_OFF, &ai->flags);
4832 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4835 /*** NodeName processing */
4836 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4840 memset( ai->config.nodeName, 0, 16 );
4841 /* Do the name, assume a space between the mode and node name */
4842 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4843 ai->config.nodeName[j] = line[j];
4845 set_bit (FLAG_COMMIT, &ai->flags);
4848 /*** PowerMode processing */
4849 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4851 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4852 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4853 set_bit (FLAG_COMMIT, &ai->flags);
4854 } else if ( !strncmp( line, "PSP", 3 ) ) {
4855 ai->config.powerSaveMode = POWERSAVE_PSP;
4856 set_bit (FLAG_COMMIT, &ai->flags);
4858 ai->config.powerSaveMode = POWERSAVE_CAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4861 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4862 int v, i = 0, k = 0; /* i is index into line,
4863 k is index to rates */
4866 while((v = get_dec_u16(line, &i, 3))!=-1) {
4867 ai->config.rates[k++] = (u8)v;
4871 set_bit (FLAG_COMMIT, &ai->flags);
4872 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4875 v = get_dec_u16(line, &i, i+3);
4877 ai->config.channelSet = cpu_to_le16(v);
4878 set_bit (FLAG_COMMIT, &ai->flags);
4880 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4883 v = get_dec_u16(line, &i, i+3);
4885 ai->config.txPower = cpu_to_le16(v);
4886 set_bit (FLAG_COMMIT, &ai->flags);
4888 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4892 ai->config.authType = AUTH_SHAREDKEY;
4895 ai->config.authType = AUTH_ENCRYPT;
4898 ai->config.authType = AUTH_OPEN;
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4906 v = get_dec_u16(line, &i, 3);
4907 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4908 ai->config.longRetryLimit = cpu_to_le16(v);
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4914 v = get_dec_u16(line, &i, 3);
4915 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4916 ai->config.shortRetryLimit = cpu_to_le16(v);
4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4922 v = get_dec_u16(line, &i, 4);
4923 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4924 ai->config.rtsThres = cpu_to_le16(v);
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4930 v = get_dec_u16(line, &i, 5);
4932 ai->config.txLifetime = cpu_to_le16(v);
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4938 v = get_dec_u16(line, &i, 5);
4940 ai->config.rxLifetime = cpu_to_le16(v);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4943 ai->config.txDiversity =
4944 (line[13]=='l') ? 1 :
4945 ((line[13]=='r')? 2: 3);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4948 ai->config.rxDiversity =
4949 (line[13]=='l') ? 1 :
4950 ((line[13]=='r')? 2: 3);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4956 v = get_dec_u16(line, &i, 4);
4957 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4958 v = v & 0xfffe; /* Make sure its even */
4959 ai->config.fragThresh = cpu_to_le16(v);
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if (!strncmp(line, "Modulation: ", 12)) {
4964 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4966 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4967 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4969 } else if (!strncmp(line, "Preamble: ", 10)) {
4972 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4974 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4978 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4980 while( line[0] && line[0] != '\n' ) line++;
4981 if ( line[0] ) line++;
4983 airo_config_commit(dev, NULL, NULL, NULL);
4986 static char *get_rmode(__le16 mode)
4988 switch(mode & RXMODE_MASK) {
4989 case RXMODE_RFMON: return "rfmon";
4990 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4991 case RXMODE_LANMON: return "lanmon";
4996 static int proc_config_open(struct inode *inode, struct file *file)
4998 struct proc_data *data;
4999 struct proc_dir_entry *dp = PDE(inode);
5000 struct net_device *dev = dp->data;
5001 struct airo_info *ai = dev->ml_priv;
5005 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5007 data = (struct proc_data *)file->private_data;
5008 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5009 kfree (file->private_data);
5012 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5013 kfree (data->rbuffer);
5014 kfree (file->private_data);
5017 data->maxwritelen = 2048;
5018 data->on_close = proc_config_on_close;
5020 readConfigRid(ai, 1);
5022 mode = ai->config.opmode & MODE_CFG_MASK;
5023 i = sprintf( data->rbuffer,
5028 "DataRates: %d %d %d %d %d %d %d %d\n"
5031 mode == MODE_STA_IBSS ? "adhoc" :
5032 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5033 mode == MODE_AP ? "AP" :
5034 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5035 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5036 ai->config.nodeName,
5037 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5038 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5039 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5041 (int)ai->config.rates[0],
5042 (int)ai->config.rates[1],
5043 (int)ai->config.rates[2],
5044 (int)ai->config.rates[3],
5045 (int)ai->config.rates[4],
5046 (int)ai->config.rates[5],
5047 (int)ai->config.rates[6],
5048 (int)ai->config.rates[7],
5049 le16_to_cpu(ai->config.channelSet),
5050 le16_to_cpu(ai->config.txPower)
5052 sprintf( data->rbuffer + i,
5053 "LongRetryLimit: %d\n"
5054 "ShortRetryLimit: %d\n"
5055 "RTSThreshold: %d\n"
5056 "TXMSDULifetime: %d\n"
5057 "RXMSDULifetime: %d\n"
5060 "FragThreshold: %d\n"
5064 le16_to_cpu(ai->config.longRetryLimit),
5065 le16_to_cpu(ai->config.shortRetryLimit),
5066 le16_to_cpu(ai->config.rtsThres),
5067 le16_to_cpu(ai->config.txLifetime),
5068 le16_to_cpu(ai->config.rxLifetime),
5069 ai->config.txDiversity == 1 ? "left" :
5070 ai->config.txDiversity == 2 ? "right" : "both",
5071 ai->config.rxDiversity == 1 ? "left" :
5072 ai->config.rxDiversity == 2 ? "right" : "both",
5073 le16_to_cpu(ai->config.fragThresh),
5074 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5075 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5076 ai->config.modulation == MOD_DEFAULT ? "default" :
5077 ai->config.modulation == MOD_CCK ? "cck" :
5078 ai->config.modulation == MOD_MOK ? "mok" : "error",
5079 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5080 ai->config.preamble == PREAMBLE_LONG ? "long" :
5081 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5083 data->readlen = strlen( data->rbuffer );
5087 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5089 struct proc_data *data = (struct proc_data *)file->private_data;
5090 struct proc_dir_entry *dp = PDE(inode);
5091 struct net_device *dev = dp->data;
5092 struct airo_info *ai = dev->ml_priv;
5095 char *p = data->wbuffer;
5096 char *end = p + data->writelen;
5098 if (!data->writelen)
5101 *end = '\n'; /* sentinel; we have space for it */
5103 memset(&SSID_rid, 0, sizeof(SSID_rid));
5105 for (i = 0; i < 3 && p < end; i++) {
5107 /* copy up to 32 characters from this line */
5108 while (*p != '\n' && j < 32)
5109 SSID_rid.ssids[i].ssid[j++] = *p++;
5112 SSID_rid.ssids[i].len = cpu_to_le16(j);
5113 /* skip to the beginning of the next line */
5114 while (*p++ != '\n')
5118 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5120 writeSsidRid(ai, &SSID_rid, 1);
5124 static inline u8 hexVal(char c) {
5125 if (c>='0' && c<='9') return c -= '0';
5126 if (c>='a' && c<='f') return c -= 'a'-10;
5127 if (c>='A' && c<='F') return c -= 'A'-10;
5131 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5132 struct proc_data *data = (struct proc_data *)file->private_data;
5133 struct proc_dir_entry *dp = PDE(inode);
5134 struct net_device *dev = dp->data;
5135 struct airo_info *ai = dev->ml_priv;
5136 APListRid APList_rid;
5139 if ( !data->writelen ) return;
5141 memset( &APList_rid, 0, sizeof(APList_rid) );
5142 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5144 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5146 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5149 APList_rid.ap[i][j/3]=
5150 hexVal(data->wbuffer[j+i*6*3])<<4;
5153 APList_rid.ap[i][j/3]|=
5154 hexVal(data->wbuffer[j+i*6*3]);
5160 writeAPListRid(ai, &APList_rid, 1);
5164 /* This function wraps PC4500_writerid with a MAC disable */
5165 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5166 int len, int dummy ) {
5170 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5175 /* Returns the WEP key at the specified index, or -1 if that key does
5176 * not exist. The buffer is assumed to be at least 16 bytes in length.
5178 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5184 rc = readWepKeyRid(ai, &wkr, 1, 1);
5188 lastindex = wkr.kindex;
5189 if (le16_to_cpu(wkr.kindex) == index) {
5190 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5191 memcpy(buf, wkr.key, klen);
5194 rc = readWepKeyRid(ai, &wkr, 0, 1);
5197 } while (lastindex != wkr.kindex);
5201 static int get_wep_tx_idx(struct airo_info *ai)
5207 rc = readWepKeyRid(ai, &wkr, 1, 1);
5211 lastindex = wkr.kindex;
5212 if (wkr.kindex == cpu_to_le16(0xffff))
5214 rc = readWepKeyRid(ai, &wkr, 0, 1);
5217 } while (lastindex != wkr.kindex);
5221 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5222 u16 keylen, int perm, int lock)
5224 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5229 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5234 memset(&wkr, 0, sizeof(wkr));
5235 wkr.len = cpu_to_le16(sizeof(wkr));
5236 wkr.kindex = cpu_to_le16(index);
5237 wkr.klen = cpu_to_le16(keylen);
5238 memcpy(wkr.key, key, keylen);
5239 memcpy(wkr.mac, macaddr, ETH_ALEN);
5241 if (perm) disable_MAC(ai, lock);
5242 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5243 if (perm) enable_MAC(ai, lock);
5247 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5252 memset(&wkr, 0, sizeof(wkr));
5253 wkr.len = cpu_to_le16(sizeof(wkr));
5254 wkr.kindex = cpu_to_le16(0xffff);
5255 wkr.mac[0] = (char)index;
5258 ai->defindex = (char)index;
5259 disable_MAC(ai, lock);
5262 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5265 enable_MAC(ai, lock);
5269 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5270 struct proc_data *data;
5271 struct proc_dir_entry *dp = PDE(inode);
5272 struct net_device *dev = dp->data;
5273 struct airo_info *ai = dev->ml_priv;
5279 memset(key, 0, sizeof(key));
5281 data = (struct proc_data *)file->private_data;
5282 if ( !data->writelen ) return;
5284 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5285 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5286 index = data->wbuffer[0] - '0';
5287 if (data->wbuffer[1] == '\n') {
5288 rc = set_wep_tx_idx(ai, index, 1, 1);
5290 airo_print_err(ai->dev->name, "failed to set "
5291 "WEP transmit index to %d: %d.",
5298 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5302 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5305 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5308 key[i/3] |= hexVal(data->wbuffer[i+j]);
5313 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5315 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5316 "%d: %d.", index, rc);
5320 static int proc_wepkey_open( struct inode *inode, struct file *file )
5322 struct proc_data *data;
5323 struct proc_dir_entry *dp = PDE(inode);
5324 struct net_device *dev = dp->data;
5325 struct airo_info *ai = dev->ml_priv;
5332 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5334 memset(&wkr, 0, sizeof(wkr));
5335 data = (struct proc_data *)file->private_data;
5336 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5337 kfree (file->private_data);
5341 data->maxwritelen = 80;
5342 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5343 kfree (data->rbuffer);
5344 kfree (file->private_data);
5347 data->on_close = proc_wepkey_on_close;
5349 ptr = data->rbuffer;
5350 strcpy(ptr, "No wep keys\n");
5351 rc = readWepKeyRid(ai, &wkr, 1, 1);
5352 if (rc == SUCCESS) do {
5353 lastindex = wkr.kindex;
5354 if (wkr.kindex == cpu_to_le16(0xffff)) {
5355 j += sprintf(ptr+j, "Tx key = %d\n",
5358 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5359 le16_to_cpu(wkr.kindex),
5360 le16_to_cpu(wkr.klen));
5362 readWepKeyRid(ai, &wkr, 0, 1);
5363 } while((lastindex != wkr.kindex) && (j < 180-30));
5365 data->readlen = strlen( data->rbuffer );
5369 static int proc_SSID_open(struct inode *inode, struct file *file)
5371 struct proc_data *data;
5372 struct proc_dir_entry *dp = PDE(inode);
5373 struct net_device *dev = dp->data;
5374 struct airo_info *ai = dev->ml_priv;
5379 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5381 data = (struct proc_data *)file->private_data;
5382 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5383 kfree (file->private_data);
5387 data->maxwritelen = 33*3;
5388 /* allocate maxwritelen + 1; we'll want a sentinel */
5389 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5390 kfree (data->rbuffer);
5391 kfree (file->private_data);
5394 data->on_close = proc_SSID_on_close;
5396 readSsidRid(ai, &SSID_rid);
5397 ptr = data->rbuffer;
5398 for (i = 0; i < 3; i++) {
5400 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5405 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5406 *ptr++ = SSID_rid.ssids[i].ssid[j];
5410 data->readlen = strlen( data->rbuffer );
5414 static int proc_APList_open( struct inode *inode, struct file *file ) {
5415 struct proc_data *data;
5416 struct proc_dir_entry *dp = PDE(inode);
5417 struct net_device *dev = dp->data;
5418 struct airo_info *ai = dev->ml_priv;
5421 APListRid APList_rid;
5423 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5425 data = (struct proc_data *)file->private_data;
5426 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5427 kfree (file->private_data);
5431 data->maxwritelen = 4*6*3;
5432 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5433 kfree (data->rbuffer);
5434 kfree (file->private_data);
5437 data->on_close = proc_APList_on_close;
5439 readAPListRid(ai, &APList_rid);
5440 ptr = data->rbuffer;
5441 for( i = 0; i < 4; i++ ) {
5442 // We end when we find a zero MAC
5443 if ( !*(int*)APList_rid.ap[i] &&
5444 !*(int*)&APList_rid.ap[i][2]) break;
5445 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5447 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5450 data->readlen = strlen( data->rbuffer );
5454 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5455 struct proc_data *data;
5456 struct proc_dir_entry *dp = PDE(inode);
5457 struct net_device *dev = dp->data;
5458 struct airo_info *ai = dev->ml_priv;
5460 BSSListRid BSSList_rid;
5462 /* If doLoseSync is not 1, we won't do a Lose Sync */
5463 int doLoseSync = -1;
5465 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5467 data = (struct proc_data *)file->private_data;
5468 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5469 kfree (file->private_data);
5473 data->maxwritelen = 0;
5474 data->wbuffer = NULL;
5475 data->on_close = NULL;
5477 if (file->f_mode & FMODE_WRITE) {
5478 if (!(file->f_mode & FMODE_READ)) {
5482 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5483 memset(&cmd, 0, sizeof(cmd));
5484 cmd.cmd=CMD_LISTBSS;
5485 if (down_interruptible(&ai->sem))
5486 return -ERESTARTSYS;
5487 issuecommand(ai, &cmd, &rsp);
5494 ptr = data->rbuffer;
5495 /* There is a race condition here if there are concurrent opens.
5496 Since it is a rare condition, we'll just live with it, otherwise
5497 we have to add a spin lock... */
5498 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5499 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5500 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5502 (int)BSSList_rid.ssidLen,
5504 le16_to_cpu(BSSList_rid.dBm));
5505 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5506 le16_to_cpu(BSSList_rid.dsChannel),
5507 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5508 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5509 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5510 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5511 rc = readBSSListRid(ai, 0, &BSSList_rid);
5514 data->readlen = strlen( data->rbuffer );
5518 static int proc_close( struct inode *inode, struct file *file )
5520 struct proc_data *data = file->private_data;
5522 if (data->on_close != NULL)
5523 data->on_close(inode, file);
5524 kfree(data->rbuffer);
5525 kfree(data->wbuffer);
5530 /* Since the card doesn't automatically switch to the right WEP mode,
5531 we will make it do it. If the card isn't associated, every secs we
5532 will switch WEP modes to see if that will help. If the card is
5533 associated we will check every minute to see if anything has
5535 static void timer_func( struct net_device *dev ) {
5536 struct airo_info *apriv = dev->ml_priv;
5538 /* We don't have a link so try changing the authtype */
5539 readConfigRid(apriv, 0);
5540 disable_MAC(apriv, 0);
5541 switch(apriv->config.authType) {
5543 /* So drop to OPEN */
5544 apriv->config.authType = AUTH_OPEN;
5546 case AUTH_SHAREDKEY:
5547 if (apriv->keyindex < auto_wep) {
5548 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5549 apriv->config.authType = AUTH_SHAREDKEY;
5552 /* Drop to ENCRYPT */
5553 apriv->keyindex = 0;
5554 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5555 apriv->config.authType = AUTH_ENCRYPT;
5558 default: /* We'll escalate to SHAREDKEY */
5559 apriv->config.authType = AUTH_SHAREDKEY;
5561 set_bit (FLAG_COMMIT, &apriv->flags);
5562 writeConfigRid(apriv, 0);
5563 enable_MAC(apriv, 0);
5566 /* Schedule check to see if the change worked */
5567 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5568 apriv->expires = RUN_AT(HZ*3);
5572 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5573 const struct pci_device_id *pent)
5575 struct net_device *dev;
5577 if (pci_enable_device(pdev))
5579 pci_set_master(pdev);
5581 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5582 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5584 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5586 pci_disable_device(pdev);
5590 pci_set_drvdata(pdev, dev);
5594 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5596 struct net_device *dev = pci_get_drvdata(pdev);
5598 airo_print_info(dev->name, "Unregistering...");
5599 stop_airo_card(dev, 1);
5600 pci_disable_device(pdev);
5601 pci_set_drvdata(pdev, NULL);
5604 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5606 struct net_device *dev = pci_get_drvdata(pdev);
5607 struct airo_info *ai = dev->ml_priv;
5612 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5616 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5619 readAPListRid(ai, ai->APList);
5620 readSsidRid(ai, ai->SSID);
5621 memset(&cmd, 0, sizeof(cmd));
5622 /* the lock will be released at the end of the resume callback */
5623 if (down_interruptible(&ai->sem))
5626 netif_device_detach(dev);
5628 cmd.cmd = HOSTSLEEP;
5629 issuecommand(ai, &cmd, &rsp);
5631 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5632 pci_save_state(pdev);
5633 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5636 static int airo_pci_resume(struct pci_dev *pdev)
5638 struct net_device *dev = pci_get_drvdata(pdev);
5639 struct airo_info *ai = dev->ml_priv;
5640 pci_power_t prev_state = pdev->current_state;
5642 pci_set_power_state(pdev, PCI_D0);
5643 pci_restore_state(pdev);
5644 pci_enable_wake(pdev, PCI_D0, 0);
5646 if (prev_state != PCI_D1) {
5648 mpi_init_descriptors(ai);
5649 setup_card(ai, dev->dev_addr, 0);
5650 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5651 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5653 OUT4500(ai, EVACK, EV_AWAKEN);
5654 OUT4500(ai, EVACK, EV_AWAKEN);
5658 set_bit(FLAG_COMMIT, &ai->flags);
5662 writeSsidRid(ai, ai->SSID, 0);
5667 writeAPListRid(ai, ai->APList, 0);
5671 writeConfigRid(ai, 0);
5673 ai->power = PMSG_ON;
5674 netif_device_attach(dev);
5675 netif_wake_queue(dev);
5676 enable_interrupts(ai);
5682 static int __init airo_init_module( void )
5686 airo_entry = create_proc_entry("driver/aironet",
5687 S_IFDIR | airo_perm,
5691 airo_entry->uid = proc_uid;
5692 airo_entry->gid = proc_gid;
5695 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5696 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5697 "io=0x%x", irq[i], io[i] );
5698 if (init_airo_card( irq[i], io[i], 0, NULL ))
5703 airo_print_info("", "Probing for PCI adapters");
5704 i = pci_register_driver(&airo_driver);
5705 airo_print_info("", "Finished probing for PCI adapters");
5708 remove_proc_entry("driver/aironet", NULL);
5713 /* Always exit with success, as we are a library module
5714 * as well as a driver module
5719 static void __exit airo_cleanup_module( void )
5721 struct airo_info *ai;
5722 while(!list_empty(&airo_devices)) {
5723 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5724 airo_print_info(ai->dev->name, "Unregistering...");
5725 stop_airo_card(ai->dev, 1);
5728 pci_unregister_driver(&airo_driver);
5730 remove_proc_entry("driver/aironet", NULL);
5734 * Initial Wireless Extension code for Aironet driver by :
5735 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5736 * Conversion to new driver API by :
5737 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5738 * Javier also did a good amount of work here, adding some new extensions
5739 * and fixing my code. Let's just say that without him this code just
5740 * would not work at all... - Jean II
5743 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5748 return (0x100 - rssi_rid[rssi].rssidBm);
5751 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5758 for (i = 0; i < 256; i++)
5759 if (rssi_rid[i].rssidBm == dbm)
5760 return rssi_rid[i].rssipct;
5766 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5771 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5774 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5777 sq = le16_to_cpu(status_rid->signalQuality);
5778 if (memcmp(cap_rid->prodName, "350", 3))
5782 quality = 0x20 - sq;
5789 quality = 0xb0 - sq;
5793 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5794 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5796 /*------------------------------------------------------------------*/
5798 * Wireless Handler : get protocol name
5800 static int airo_get_name(struct net_device *dev,
5801 struct iw_request_info *info,
5805 strcpy(cwrq, "IEEE 802.11-DS");
5809 /*------------------------------------------------------------------*/
5811 * Wireless Handler : set frequency
5813 static int airo_set_freq(struct net_device *dev,
5814 struct iw_request_info *info,
5815 struct iw_freq *fwrq,
5818 struct airo_info *local = dev->ml_priv;
5819 int rc = -EINPROGRESS; /* Call commit handler */
5821 /* If setting by frequency, convert to a channel */
5823 int f = fwrq->m / 100000;
5825 /* Hack to fall through... */
5827 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5829 /* Setting by channel number */
5830 if((fwrq->m > 1000) || (fwrq->e > 0))
5833 int channel = fwrq->m;
5834 /* We should do a better check than that,
5835 * based on the card capability !!! */
5836 if((channel < 1) || (channel > 14)) {
5837 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5841 readConfigRid(local, 1);
5842 /* Yes ! We can set it !!! */
5843 local->config.channelSet = cpu_to_le16(channel);
5844 set_bit (FLAG_COMMIT, &local->flags);
5850 /*------------------------------------------------------------------*/
5852 * Wireless Handler : get frequency
5854 static int airo_get_freq(struct net_device *dev,
5855 struct iw_request_info *info,
5856 struct iw_freq *fwrq,
5859 struct airo_info *local = dev->ml_priv;
5860 StatusRid status_rid; /* Card status info */
5863 readConfigRid(local, 1);
5864 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5865 status_rid.channel = local->config.channelSet;
5867 readStatusRid(local, &status_rid, 1);
5869 ch = le16_to_cpu(status_rid.channel);
5870 if((ch > 0) && (ch < 15)) {
5871 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5881 /*------------------------------------------------------------------*/
5883 * Wireless Handler : set ESSID
5885 static int airo_set_essid(struct net_device *dev,
5886 struct iw_request_info *info,
5887 struct iw_point *dwrq,
5890 struct airo_info *local = dev->ml_priv;
5891 SsidRid SSID_rid; /* SSIDs */
5893 /* Reload the list of current SSID */
5894 readSsidRid(local, &SSID_rid);
5896 /* Check if we asked for `any' */
5897 if(dwrq->flags == 0) {
5898 /* Just send an empty SSID list */
5899 memset(&SSID_rid, 0, sizeof(SSID_rid));
5901 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5903 /* Check the size of the string */
5904 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5907 /* Check if index is valid */
5908 if((index < 0) || (index >= 4)) {
5913 memset(SSID_rid.ssids[index].ssid, 0,
5914 sizeof(SSID_rid.ssids[index].ssid));
5915 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5916 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5918 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5919 /* Write it to the card */
5920 disable_MAC(local, 1);
5921 writeSsidRid(local, &SSID_rid, 1);
5922 enable_MAC(local, 1);
5927 /*------------------------------------------------------------------*/
5929 * Wireless Handler : get ESSID
5931 static int airo_get_essid(struct net_device *dev,
5932 struct iw_request_info *info,
5933 struct iw_point *dwrq,
5936 struct airo_info *local = dev->ml_priv;
5937 StatusRid status_rid; /* Card status info */
5939 readStatusRid(local, &status_rid, 1);
5941 /* Note : if dwrq->flags != 0, we should
5942 * get the relevant SSID from the SSID list... */
5944 /* Get the current SSID */
5945 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5946 /* If none, we may want to get the one that was set */
5949 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5950 dwrq->flags = 1; /* active */
5955 /*------------------------------------------------------------------*/
5957 * Wireless Handler : set AP address
5959 static int airo_set_wap(struct net_device *dev,
5960 struct iw_request_info *info,
5961 struct sockaddr *awrq,
5964 struct airo_info *local = dev->ml_priv;
5967 APListRid APList_rid;
5968 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5969 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5971 if (awrq->sa_family != ARPHRD_ETHER)
5973 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5974 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5975 memset(&cmd, 0, sizeof(cmd));
5976 cmd.cmd=CMD_LOSE_SYNC;
5977 if (down_interruptible(&local->sem))
5978 return -ERESTARTSYS;
5979 issuecommand(local, &cmd, &rsp);
5982 memset(&APList_rid, 0, sizeof(APList_rid));
5983 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5984 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5985 disable_MAC(local, 1);
5986 writeAPListRid(local, &APList_rid, 1);
5987 enable_MAC(local, 1);
5992 /*------------------------------------------------------------------*/
5994 * Wireless Handler : get AP address
5996 static int airo_get_wap(struct net_device *dev,
5997 struct iw_request_info *info,
5998 struct sockaddr *awrq,
6001 struct airo_info *local = dev->ml_priv;
6002 StatusRid status_rid; /* Card status info */
6004 readStatusRid(local, &status_rid, 1);
6006 /* Tentative. This seems to work, wow, I'm lucky !!! */
6007 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6008 awrq->sa_family = ARPHRD_ETHER;
6013 /*------------------------------------------------------------------*/
6015 * Wireless Handler : set Nickname
6017 static int airo_set_nick(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct iw_point *dwrq,
6022 struct airo_info *local = dev->ml_priv;
6024 /* Check the size of the string */
6025 if(dwrq->length > 16) {
6028 readConfigRid(local, 1);
6029 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6030 memcpy(local->config.nodeName, extra, dwrq->length);
6031 set_bit (FLAG_COMMIT, &local->flags);
6033 return -EINPROGRESS; /* Call commit handler */
6036 /*------------------------------------------------------------------*/
6038 * Wireless Handler : get Nickname
6040 static int airo_get_nick(struct net_device *dev,
6041 struct iw_request_info *info,
6042 struct iw_point *dwrq,
6045 struct airo_info *local = dev->ml_priv;
6047 readConfigRid(local, 1);
6048 strncpy(extra, local->config.nodeName, 16);
6050 dwrq->length = strlen(extra);
6055 /*------------------------------------------------------------------*/
6057 * Wireless Handler : set Bit-Rate
6059 static int airo_set_rate(struct net_device *dev,
6060 struct iw_request_info *info,
6061 struct iw_param *vwrq,
6064 struct airo_info *local = dev->ml_priv;
6065 CapabilityRid cap_rid; /* Card capability info */
6069 /* First : get a valid bit rate value */
6070 readCapabilityRid(local, &cap_rid, 1);
6072 /* Which type of value ? */
6073 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6074 /* Setting by rate index */
6075 /* Find value in the magic rate table */
6076 brate = cap_rid.supportedRates[vwrq->value];
6078 /* Setting by frequency value */
6079 u8 normvalue = (u8) (vwrq->value/500000);
6081 /* Check if rate is valid */
6082 for(i = 0 ; i < 8 ; i++) {
6083 if(normvalue == cap_rid.supportedRates[i]) {
6089 /* -1 designed the max rate (mostly auto mode) */
6090 if(vwrq->value == -1) {
6091 /* Get the highest available rate */
6092 for(i = 0 ; i < 8 ; i++) {
6093 if(cap_rid.supportedRates[i] == 0)
6097 brate = cap_rid.supportedRates[i - 1];
6099 /* Check that it is valid */
6104 readConfigRid(local, 1);
6105 /* Now, check if we want a fixed or auto value */
6106 if(vwrq->fixed == 0) {
6107 /* Fill all the rates up to this max rate */
6108 memset(local->config.rates, 0, 8);
6109 for(i = 0 ; i < 8 ; i++) {
6110 local->config.rates[i] = cap_rid.supportedRates[i];
6111 if(local->config.rates[i] == brate)
6116 /* One rate, fixed */
6117 memset(local->config.rates, 0, 8);
6118 local->config.rates[0] = brate;
6120 set_bit (FLAG_COMMIT, &local->flags);
6122 return -EINPROGRESS; /* Call commit handler */
6125 /*------------------------------------------------------------------*/
6127 * Wireless Handler : get Bit-Rate
6129 static int airo_get_rate(struct net_device *dev,
6130 struct iw_request_info *info,
6131 struct iw_param *vwrq,
6134 struct airo_info *local = dev->ml_priv;
6135 StatusRid status_rid; /* Card status info */
6137 readStatusRid(local, &status_rid, 1);
6139 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6140 /* If more than one rate, set auto */
6141 readConfigRid(local, 1);
6142 vwrq->fixed = (local->config.rates[1] == 0);
6147 /*------------------------------------------------------------------*/
6149 * Wireless Handler : set RTS threshold
6151 static int airo_set_rts(struct net_device *dev,
6152 struct iw_request_info *info,
6153 struct iw_param *vwrq,
6156 struct airo_info *local = dev->ml_priv;
6157 int rthr = vwrq->value;
6160 rthr = AIRO_DEF_MTU;
6161 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6164 readConfigRid(local, 1);
6165 local->config.rtsThres = cpu_to_le16(rthr);
6166 set_bit (FLAG_COMMIT, &local->flags);
6168 return -EINPROGRESS; /* Call commit handler */
6171 /*------------------------------------------------------------------*/
6173 * Wireless Handler : get RTS threshold
6175 static int airo_get_rts(struct net_device *dev,
6176 struct iw_request_info *info,
6177 struct iw_param *vwrq,
6180 struct airo_info *local = dev->ml_priv;
6182 readConfigRid(local, 1);
6183 vwrq->value = le16_to_cpu(local->config.rtsThres);
6184 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6190 /*------------------------------------------------------------------*/
6192 * Wireless Handler : set Fragmentation threshold
6194 static int airo_set_frag(struct net_device *dev,
6195 struct iw_request_info *info,
6196 struct iw_param *vwrq,
6199 struct airo_info *local = dev->ml_priv;
6200 int fthr = vwrq->value;
6203 fthr = AIRO_DEF_MTU;
6204 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6207 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6208 readConfigRid(local, 1);
6209 local->config.fragThresh = cpu_to_le16(fthr);
6210 set_bit (FLAG_COMMIT, &local->flags);
6212 return -EINPROGRESS; /* Call commit handler */
6215 /*------------------------------------------------------------------*/
6217 * Wireless Handler : get Fragmentation threshold
6219 static int airo_get_frag(struct net_device *dev,
6220 struct iw_request_info *info,
6221 struct iw_param *vwrq,
6224 struct airo_info *local = dev->ml_priv;
6226 readConfigRid(local, 1);
6227 vwrq->value = le16_to_cpu(local->config.fragThresh);
6228 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6234 /*------------------------------------------------------------------*/
6236 * Wireless Handler : set Mode of Operation
6238 static int airo_set_mode(struct net_device *dev,
6239 struct iw_request_info *info,
6243 struct airo_info *local = dev->ml_priv;
6246 readConfigRid(local, 1);
6247 if (sniffing_mode(local))
6252 local->config.opmode &= ~MODE_CFG_MASK;
6253 local->config.opmode |= MODE_STA_IBSS;
6254 local->config.rmode &= ~RXMODE_FULL_MASK;
6255 local->config.scanMode = SCANMODE_ACTIVE;
6256 clear_bit (FLAG_802_11, &local->flags);
6259 local->config.opmode &= ~MODE_CFG_MASK;
6260 local->config.opmode |= MODE_STA_ESS;
6261 local->config.rmode &= ~RXMODE_FULL_MASK;
6262 local->config.scanMode = SCANMODE_ACTIVE;
6263 clear_bit (FLAG_802_11, &local->flags);
6265 case IW_MODE_MASTER:
6266 local->config.opmode &= ~MODE_CFG_MASK;
6267 local->config.opmode |= MODE_AP;
6268 local->config.rmode &= ~RXMODE_FULL_MASK;
6269 local->config.scanMode = SCANMODE_ACTIVE;
6270 clear_bit (FLAG_802_11, &local->flags);
6272 case IW_MODE_REPEAT:
6273 local->config.opmode &= ~MODE_CFG_MASK;
6274 local->config.opmode |= MODE_AP_RPTR;
6275 local->config.rmode &= ~RXMODE_FULL_MASK;
6276 local->config.scanMode = SCANMODE_ACTIVE;
6277 clear_bit (FLAG_802_11, &local->flags);
6279 case IW_MODE_MONITOR:
6280 local->config.opmode &= ~MODE_CFG_MASK;
6281 local->config.opmode |= MODE_STA_ESS;
6282 local->config.rmode &= ~RXMODE_FULL_MASK;
6283 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6284 local->config.scanMode = SCANMODE_PASSIVE;
6285 set_bit (FLAG_802_11, &local->flags);
6291 set_bit (FLAG_RESET, &local->flags);
6292 set_bit (FLAG_COMMIT, &local->flags);
6294 return -EINPROGRESS; /* Call commit handler */
6297 /*------------------------------------------------------------------*/
6299 * Wireless Handler : get Mode of Operation
6301 static int airo_get_mode(struct net_device *dev,
6302 struct iw_request_info *info,
6306 struct airo_info *local = dev->ml_priv;
6308 readConfigRid(local, 1);
6309 /* If not managed, assume it's ad-hoc */
6310 switch (local->config.opmode & MODE_CFG_MASK) {
6312 *uwrq = IW_MODE_INFRA;
6315 *uwrq = IW_MODE_MASTER;
6318 *uwrq = IW_MODE_REPEAT;
6321 *uwrq = IW_MODE_ADHOC;
6327 static inline int valid_index(struct airo_info *ai, int index)
6329 return (index >= 0) && (index <= ai->max_wep_idx);
6332 /*------------------------------------------------------------------*/
6334 * Wireless Handler : set Encryption Key
6336 static int airo_set_encode(struct net_device *dev,
6337 struct iw_request_info *info,
6338 struct iw_point *dwrq,
6341 struct airo_info *local = dev->ml_priv;
6342 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6343 __le16 currentAuthType = local->config.authType;
6346 if (!local->wep_capable)
6349 readConfigRid(local, 1);
6351 /* Basic checking: do we have a key to set ?
6352 * Note : with the new API, it's impossible to get a NULL pointer.
6353 * Therefore, we need to check a key size == 0 instead.
6354 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6355 * when no key is present (only change flags), but older versions
6356 * don't do it. - Jean II */
6357 if (dwrq->length > 0) {
6359 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6362 /* Check the size of the key */
6363 if (dwrq->length > MAX_KEY_SIZE) {
6367 current_index = get_wep_tx_idx(local);
6368 if (current_index < 0)
6371 /* Check the index (none -> use current) */
6372 if (!valid_index(local, index))
6373 index = current_index;
6375 /* Set the length */
6376 if (dwrq->length > MIN_KEY_SIZE)
6377 key.len = MAX_KEY_SIZE;
6379 if (dwrq->length > 0)
6380 key.len = MIN_KEY_SIZE;
6382 /* Disable the key */
6384 /* Check if the key is not marked as invalid */
6385 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6387 memset(key.key, 0, MAX_KEY_SIZE);
6388 /* Copy the key in the driver */
6389 memcpy(key.key, extra, dwrq->length);
6390 /* Send the key to the card */
6391 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6393 airo_print_err(local->dev->name, "failed to set"
6394 " WEP key at index %d: %d.",
6399 /* WE specify that if a valid key is set, encryption
6400 * should be enabled (user may turn it off later)
6401 * This is also how "iwconfig ethX key on" works */
6402 if((index == current_index) && (key.len > 0) &&
6403 (local->config.authType == AUTH_OPEN)) {
6404 local->config.authType = AUTH_ENCRYPT;
6407 /* Do we want to just set the transmit key index ? */
6408 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6409 if (valid_index(local, index)) {
6410 rc = set_wep_tx_idx(local, index, perm, 1);
6412 airo_print_err(local->dev->name, "failed to set"
6413 " WEP transmit index to %d: %d.",
6418 /* Don't complain if only change the mode */
6419 if (!(dwrq->flags & IW_ENCODE_MODE))
6423 /* Read the flags */
6424 if(dwrq->flags & IW_ENCODE_DISABLED)
6425 local->config.authType = AUTH_OPEN; // disable encryption
6426 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6427 local->config.authType = AUTH_SHAREDKEY; // Only Both
6428 if(dwrq->flags & IW_ENCODE_OPEN)
6429 local->config.authType = AUTH_ENCRYPT; // Only Wep
6430 /* Commit the changes to flags if needed */
6431 if (local->config.authType != currentAuthType)
6432 set_bit (FLAG_COMMIT, &local->flags);
6433 return -EINPROGRESS; /* Call commit handler */
6436 /*------------------------------------------------------------------*/
6438 * Wireless Handler : get Encryption Key
6440 static int airo_get_encode(struct net_device *dev,
6441 struct iw_request_info *info,
6442 struct iw_point *dwrq,
6445 struct airo_info *local = dev->ml_priv;
6446 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6449 if (!local->wep_capable)
6452 readConfigRid(local, 1);
6454 /* Check encryption mode */
6455 switch(local->config.authType) {
6457 dwrq->flags = IW_ENCODE_OPEN;
6459 case AUTH_SHAREDKEY:
6460 dwrq->flags = IW_ENCODE_RESTRICTED;
6464 dwrq->flags = IW_ENCODE_DISABLED;
6467 /* We can't return the key, so set the proper flag and return zero */
6468 dwrq->flags |= IW_ENCODE_NOKEY;
6469 memset(extra, 0, 16);
6471 /* Which key do we want ? -1 -> tx index */
6472 if (!valid_index(local, index)) {
6473 index = get_wep_tx_idx(local);
6477 dwrq->flags |= index + 1;
6479 /* Copy the key to the user buffer */
6480 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6481 memcpy(extra, buf, dwrq->length);
6486 /*------------------------------------------------------------------*/
6488 * Wireless Handler : set extended Encryption parameters
6490 static int airo_set_encodeext(struct net_device *dev,
6491 struct iw_request_info *info,
6492 union iwreq_data *wrqu,
6495 struct airo_info *local = dev->ml_priv;
6496 struct iw_point *encoding = &wrqu->encoding;
6497 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6498 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6499 __le16 currentAuthType = local->config.authType;
6500 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6503 if (!local->wep_capable)
6506 readConfigRid(local, 1);
6508 /* Determine and validate the key index */
6509 idx = encoding->flags & IW_ENCODE_INDEX;
6511 if (!valid_index(local, idx - 1))
6515 idx = get_wep_tx_idx(local);
6520 if (encoding->flags & IW_ENCODE_DISABLED)
6521 alg = IW_ENCODE_ALG_NONE;
6523 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6524 /* Only set transmit key index here, actual
6525 * key is set below if needed.
6527 rc = set_wep_tx_idx(local, idx, perm, 1);
6529 airo_print_err(local->dev->name, "failed to set "
6530 "WEP transmit index to %d: %d.",
6534 set_key = ext->key_len > 0 ? 1 : 0;
6538 /* Set the requested key first */
6539 memset(key.key, 0, MAX_KEY_SIZE);
6541 case IW_ENCODE_ALG_NONE:
6544 case IW_ENCODE_ALG_WEP:
6545 if (ext->key_len > MIN_KEY_SIZE) {
6546 key.len = MAX_KEY_SIZE;
6547 } else if (ext->key_len > 0) {
6548 key.len = MIN_KEY_SIZE;
6552 key_len = min (ext->key_len, key.len);
6553 memcpy(key.key, ext->key, key_len);
6558 /* Send the key to the card */
6559 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6561 airo_print_err(local->dev->name, "failed to set WEP key"
6562 " at index %d: %d.", idx, rc);
6567 /* Read the flags */
6568 if(encoding->flags & IW_ENCODE_DISABLED)
6569 local->config.authType = AUTH_OPEN; // disable encryption
6570 if(encoding->flags & IW_ENCODE_RESTRICTED)
6571 local->config.authType = AUTH_SHAREDKEY; // Only Both
6572 if(encoding->flags & IW_ENCODE_OPEN)
6573 local->config.authType = AUTH_ENCRYPT; // Only Wep
6574 /* Commit the changes to flags if needed */
6575 if (local->config.authType != currentAuthType)
6576 set_bit (FLAG_COMMIT, &local->flags);
6578 return -EINPROGRESS;
6582 /*------------------------------------------------------------------*/
6584 * Wireless Handler : get extended Encryption parameters
6586 static int airo_get_encodeext(struct net_device *dev,
6587 struct iw_request_info *info,
6588 union iwreq_data *wrqu,
6591 struct airo_info *local = dev->ml_priv;
6592 struct iw_point *encoding = &wrqu->encoding;
6593 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6594 int idx, max_key_len;
6597 if (!local->wep_capable)
6600 readConfigRid(local, 1);
6602 max_key_len = encoding->length - sizeof(*ext);
6603 if (max_key_len < 0)
6606 idx = encoding->flags & IW_ENCODE_INDEX;
6608 if (!valid_index(local, idx - 1))
6612 idx = get_wep_tx_idx(local);
6617 encoding->flags = idx + 1;
6618 memset(ext, 0, sizeof(*ext));
6620 /* Check encryption mode */
6621 switch(local->config.authType) {
6623 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6625 case AUTH_SHAREDKEY:
6626 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6630 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6633 /* We can't return the key, so set the proper flag and return zero */
6634 encoding->flags |= IW_ENCODE_NOKEY;
6635 memset(extra, 0, 16);
6637 /* Copy the key to the user buffer */
6638 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6639 memcpy(extra, buf, ext->key_len);
6645 /*------------------------------------------------------------------*/
6647 * Wireless Handler : set extended authentication parameters
6649 static int airo_set_auth(struct net_device *dev,
6650 struct iw_request_info *info,
6651 union iwreq_data *wrqu, char *extra)
6653 struct airo_info *local = dev->ml_priv;
6654 struct iw_param *param = &wrqu->param;
6655 __le16 currentAuthType = local->config.authType;
6657 switch (param->flags & IW_AUTH_INDEX) {
6658 case IW_AUTH_WPA_VERSION:
6659 case IW_AUTH_CIPHER_PAIRWISE:
6660 case IW_AUTH_CIPHER_GROUP:
6661 case IW_AUTH_KEY_MGMT:
6662 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6663 case IW_AUTH_PRIVACY_INVOKED:
6665 * airo does not use these parameters
6669 case IW_AUTH_DROP_UNENCRYPTED:
6671 /* Only change auth type if unencrypted */
6672 if (currentAuthType == AUTH_OPEN)
6673 local->config.authType = AUTH_ENCRYPT;
6675 local->config.authType = AUTH_OPEN;
6678 /* Commit the changes to flags if needed */
6679 if (local->config.authType != currentAuthType)
6680 set_bit (FLAG_COMMIT, &local->flags);
6683 case IW_AUTH_80211_AUTH_ALG: {
6684 /* FIXME: What about AUTH_OPEN? This API seems to
6685 * disallow setting our auth to AUTH_OPEN.
6687 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6688 local->config.authType = AUTH_SHAREDKEY;
6689 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6690 local->config.authType = AUTH_ENCRYPT;
6695 /* Commit the changes to flags if needed */
6696 if (local->config.authType != currentAuthType)
6697 set_bit (FLAG_COMMIT, &local->flags);
6700 case IW_AUTH_WPA_ENABLED:
6701 /* Silently accept disable of WPA */
6702 if (param->value > 0)
6709 return -EINPROGRESS;
6713 /*------------------------------------------------------------------*/
6715 * Wireless Handler : get extended authentication parameters
6717 static int airo_get_auth(struct net_device *dev,
6718 struct iw_request_info *info,
6719 union iwreq_data *wrqu, char *extra)
6721 struct airo_info *local = dev->ml_priv;
6722 struct iw_param *param = &wrqu->param;
6723 __le16 currentAuthType = local->config.authType;
6725 switch (param->flags & IW_AUTH_INDEX) {
6726 case IW_AUTH_DROP_UNENCRYPTED:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6738 case IW_AUTH_80211_AUTH_ALG:
6739 switch (currentAuthType) {
6740 case AUTH_SHAREDKEY:
6741 param->value = IW_AUTH_ALG_SHARED_KEY;
6745 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6750 case IW_AUTH_WPA_ENABLED:
6761 /*------------------------------------------------------------------*/
6763 * Wireless Handler : set Tx-Power
6765 static int airo_set_txpow(struct net_device *dev,
6766 struct iw_request_info *info,
6767 struct iw_param *vwrq,
6770 struct airo_info *local = dev->ml_priv;
6771 CapabilityRid cap_rid; /* Card capability info */
6774 __le16 v = cpu_to_le16(vwrq->value);
6776 readCapabilityRid(local, &cap_rid, 1);
6778 if (vwrq->disabled) {
6779 set_bit (FLAG_RADIO_OFF, &local->flags);
6780 set_bit (FLAG_COMMIT, &local->flags);
6781 return -EINPROGRESS; /* Call commit handler */
6783 if (vwrq->flags != IW_TXPOW_MWATT) {
6786 clear_bit (FLAG_RADIO_OFF, &local->flags);
6787 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6788 if (v == cap_rid.txPowerLevels[i]) {
6789 readConfigRid(local, 1);
6790 local->config.txPower = v;
6791 set_bit (FLAG_COMMIT, &local->flags);
6792 rc = -EINPROGRESS; /* Call commit handler */
6798 /*------------------------------------------------------------------*/
6800 * Wireless Handler : get Tx-Power
6802 static int airo_get_txpow(struct net_device *dev,
6803 struct iw_request_info *info,
6804 struct iw_param *vwrq,
6807 struct airo_info *local = dev->ml_priv;
6809 readConfigRid(local, 1);
6810 vwrq->value = le16_to_cpu(local->config.txPower);
6811 vwrq->fixed = 1; /* No power control */
6812 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6813 vwrq->flags = IW_TXPOW_MWATT;
6818 /*------------------------------------------------------------------*/
6820 * Wireless Handler : set Retry limits
6822 static int airo_set_retry(struct net_device *dev,
6823 struct iw_request_info *info,
6824 struct iw_param *vwrq,
6827 struct airo_info *local = dev->ml_priv;
6830 if(vwrq->disabled) {
6833 readConfigRid(local, 1);
6834 if(vwrq->flags & IW_RETRY_LIMIT) {
6835 __le16 v = cpu_to_le16(vwrq->value);
6836 if(vwrq->flags & IW_RETRY_LONG)
6837 local->config.longRetryLimit = v;
6838 else if (vwrq->flags & IW_RETRY_SHORT)
6839 local->config.shortRetryLimit = v;
6841 /* No modifier : set both */
6842 local->config.longRetryLimit = v;
6843 local->config.shortRetryLimit = v;
6845 set_bit (FLAG_COMMIT, &local->flags);
6846 rc = -EINPROGRESS; /* Call commit handler */
6848 if(vwrq->flags & IW_RETRY_LIFETIME) {
6849 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6850 set_bit (FLAG_COMMIT, &local->flags);
6851 rc = -EINPROGRESS; /* Call commit handler */
6856 /*------------------------------------------------------------------*/
6858 * Wireless Handler : get Retry limits
6860 static int airo_get_retry(struct net_device *dev,
6861 struct iw_request_info *info,
6862 struct iw_param *vwrq,
6865 struct airo_info *local = dev->ml_priv;
6867 vwrq->disabled = 0; /* Can't be disabled */
6869 readConfigRid(local, 1);
6870 /* Note : by default, display the min retry number */
6871 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6872 vwrq->flags = IW_RETRY_LIFETIME;
6873 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6874 } else if((vwrq->flags & IW_RETRY_LONG)) {
6875 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6876 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6878 vwrq->flags = IW_RETRY_LIMIT;
6879 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6880 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6881 vwrq->flags |= IW_RETRY_SHORT;
6887 /*------------------------------------------------------------------*/
6889 * Wireless Handler : get range info
6891 static int airo_get_range(struct net_device *dev,
6892 struct iw_request_info *info,
6893 struct iw_point *dwrq,
6896 struct airo_info *local = dev->ml_priv;
6897 struct iw_range *range = (struct iw_range *) extra;
6898 CapabilityRid cap_rid; /* Card capability info */
6902 readCapabilityRid(local, &cap_rid, 1);
6904 dwrq->length = sizeof(struct iw_range);
6905 memset(range, 0, sizeof(*range));
6906 range->min_nwid = 0x0000;
6907 range->max_nwid = 0x0000;
6908 range->num_channels = 14;
6909 /* Should be based on cap_rid.country to give only
6910 * what the current card support */
6912 for(i = 0; i < 14; i++) {
6913 range->freq[k].i = i + 1; /* List index */
6914 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6915 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6917 range->num_frequency = k;
6919 range->sensitivity = 65535;
6921 /* Hum... Should put the right values there */
6923 range->max_qual.qual = 100; /* % */
6925 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6926 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6927 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6929 /* Experimental measurements - boundary 11/5.5 Mb/s */
6930 /* Note : with or without the (local->rssi), results
6931 * are somewhat different. - Jean II */
6933 range->avg_qual.qual = 50; /* % */
6934 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6936 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6937 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6939 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6941 for(i = 0 ; i < 8 ; i++) {
6942 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6943 if(range->bitrate[i] == 0)
6946 range->num_bitrates = i;
6948 /* Set an indication of the max TCP throughput
6949 * in bit/s that we can expect using this interface.
6950 * May be use for QoS stuff... Jean II */
6952 range->throughput = 5000 * 1000;
6954 range->throughput = 1500 * 1000;
6957 range->max_rts = AIRO_DEF_MTU;
6958 range->min_frag = 256;
6959 range->max_frag = AIRO_DEF_MTU;
6961 if(cap_rid.softCap & cpu_to_le16(2)) {
6963 range->encoding_size[0] = 5;
6965 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6966 range->encoding_size[1] = 13;
6967 range->num_encoding_sizes = 2;
6969 range->num_encoding_sizes = 1;
6970 range->max_encoding_tokens =
6971 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6973 range->num_encoding_sizes = 0;
6974 range->max_encoding_tokens = 0;
6977 range->max_pmp = 5000000; /* 5 secs */
6979 range->max_pmt = 65535 * 1024; /* ??? */
6980 range->pmp_flags = IW_POWER_PERIOD;
6981 range->pmt_flags = IW_POWER_TIMEOUT;
6982 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6984 /* Transmit Power - values are in mW */
6985 for(i = 0 ; i < 8 ; i++) {
6986 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6987 if(range->txpower[i] == 0)
6990 range->num_txpower = i;
6991 range->txpower_capa = IW_TXPOW_MWATT;
6992 range->we_version_source = 19;
6993 range->we_version_compiled = WIRELESS_EXT;
6994 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6995 range->retry_flags = IW_RETRY_LIMIT;
6996 range->r_time_flags = IW_RETRY_LIFETIME;
6997 range->min_retry = 1;
6998 range->max_retry = 65535;
6999 range->min_r_time = 1024;
7000 range->max_r_time = 65535 * 1024;
7002 /* Event capability (kernel + driver) */
7003 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7004 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7005 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7006 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7007 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7008 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7012 /*------------------------------------------------------------------*/
7014 * Wireless Handler : set Power Management
7016 static int airo_set_power(struct net_device *dev,
7017 struct iw_request_info *info,
7018 struct iw_param *vwrq,
7021 struct airo_info *local = dev->ml_priv;
7023 readConfigRid(local, 1);
7024 if (vwrq->disabled) {
7025 if (sniffing_mode(local))
7027 local->config.powerSaveMode = POWERSAVE_CAM;
7028 local->config.rmode &= ~RXMODE_MASK;
7029 local->config.rmode |= RXMODE_BC_MC_ADDR;
7030 set_bit (FLAG_COMMIT, &local->flags);
7031 return -EINPROGRESS; /* Call commit handler */
7033 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7034 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7035 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7036 set_bit (FLAG_COMMIT, &local->flags);
7037 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7038 local->config.fastListenInterval =
7039 local->config.listenInterval =
7040 cpu_to_le16((vwrq->value + 500) / 1024);
7041 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7042 set_bit (FLAG_COMMIT, &local->flags);
7044 switch (vwrq->flags & IW_POWER_MODE) {
7045 case IW_POWER_UNICAST_R:
7046 if (sniffing_mode(local))
7048 local->config.rmode &= ~RXMODE_MASK;
7049 local->config.rmode |= RXMODE_ADDR;
7050 set_bit (FLAG_COMMIT, &local->flags);
7052 case IW_POWER_ALL_R:
7053 if (sniffing_mode(local))
7055 local->config.rmode &= ~RXMODE_MASK;
7056 local->config.rmode |= RXMODE_BC_MC_ADDR;
7057 set_bit (FLAG_COMMIT, &local->flags);
7059 /* This is broken, fixme ;-) */
7064 // Note : we may want to factor local->need_commit here
7065 // Note2 : may also want to factor RXMODE_RFMON test
7066 return -EINPROGRESS; /* Call commit handler */
7069 /*------------------------------------------------------------------*/
7071 * Wireless Handler : get Power Management
7073 static int airo_get_power(struct net_device *dev,
7074 struct iw_request_info *info,
7075 struct iw_param *vwrq,
7078 struct airo_info *local = dev->ml_priv;
7081 readConfigRid(local, 1);
7082 mode = local->config.powerSaveMode;
7083 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7085 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7086 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7087 vwrq->flags = IW_POWER_TIMEOUT;
7089 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7090 vwrq->flags = IW_POWER_PERIOD;
7092 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7093 vwrq->flags |= IW_POWER_UNICAST_R;
7095 vwrq->flags |= IW_POWER_ALL_R;
7100 /*------------------------------------------------------------------*/
7102 * Wireless Handler : set Sensitivity
7104 static int airo_set_sens(struct net_device *dev,
7105 struct iw_request_info *info,
7106 struct iw_param *vwrq,
7109 struct airo_info *local = dev->ml_priv;
7111 readConfigRid(local, 1);
7112 local->config.rssiThreshold =
7113 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7114 set_bit (FLAG_COMMIT, &local->flags);
7116 return -EINPROGRESS; /* Call commit handler */
7119 /*------------------------------------------------------------------*/
7121 * Wireless Handler : get Sensitivity
7123 static int airo_get_sens(struct net_device *dev,
7124 struct iw_request_info *info,
7125 struct iw_param *vwrq,
7128 struct airo_info *local = dev->ml_priv;
7130 readConfigRid(local, 1);
7131 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7132 vwrq->disabled = (vwrq->value == 0);
7138 /*------------------------------------------------------------------*/
7140 * Wireless Handler : get AP List
7141 * Note : this is deprecated in favor of IWSCAN
7143 static int airo_get_aplist(struct net_device *dev,
7144 struct iw_request_info *info,
7145 struct iw_point *dwrq,
7148 struct airo_info *local = dev->ml_priv;
7149 struct sockaddr *address = (struct sockaddr *) extra;
7150 struct iw_quality qual[IW_MAX_AP];
7153 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7155 for (i = 0; i < IW_MAX_AP; i++) {
7157 if (readBSSListRid(local, loseSync, &BSSList))
7160 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7161 address[i].sa_family = ARPHRD_ETHER;
7162 dBm = le16_to_cpu(BSSList.dBm);
7164 qual[i].level = 0x100 - dBm;
7165 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7166 qual[i].updated = IW_QUAL_QUAL_UPDATED
7167 | IW_QUAL_LEVEL_UPDATED
7170 qual[i].level = (dBm + 321) / 2;
7172 qual[i].updated = IW_QUAL_QUAL_INVALID
7173 | IW_QUAL_LEVEL_UPDATED
7176 qual[i].noise = local->wstats.qual.noise;
7177 if (BSSList.index == cpu_to_le16(0xffff))
7181 StatusRid status_rid; /* Card status info */
7182 readStatusRid(local, &status_rid, 1);
7184 i < min(IW_MAX_AP, 4) &&
7185 (status_rid.bssid[i][0]
7186 & status_rid.bssid[i][1]
7187 & status_rid.bssid[i][2]
7188 & status_rid.bssid[i][3]
7189 & status_rid.bssid[i][4]
7190 & status_rid.bssid[i][5])!=0xff &&
7191 (status_rid.bssid[i][0]
7192 | status_rid.bssid[i][1]
7193 | status_rid.bssid[i][2]
7194 | status_rid.bssid[i][3]
7195 | status_rid.bssid[i][4]
7196 | status_rid.bssid[i][5]);
7198 memcpy(address[i].sa_data,
7199 status_rid.bssid[i], ETH_ALEN);
7200 address[i].sa_family = ARPHRD_ETHER;
7203 dwrq->flags = 1; /* Should be define'd */
7204 memcpy(extra + sizeof(struct sockaddr)*i,
7205 &qual, sizeof(struct iw_quality)*i);
7212 /*------------------------------------------------------------------*/
7214 * Wireless Handler : Initiate Scan
7216 static int airo_set_scan(struct net_device *dev,
7217 struct iw_request_info *info,
7218 struct iw_point *dwrq,
7221 struct airo_info *ai = dev->ml_priv;
7226 /* Note : you may have realised that, as this is a SET operation,
7227 * this is privileged and therefore a normal user can't
7229 * This is not an error, while the device perform scanning,
7230 * traffic doesn't flow, so it's a perfect DoS...
7232 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7234 if (down_interruptible(&ai->sem))
7235 return -ERESTARTSYS;
7237 /* If there's already a scan in progress, don't
7238 * trigger another one. */
7239 if (ai->scan_timeout > 0)
7242 /* Initiate a scan command */
7243 ai->scan_timeout = RUN_AT(3*HZ);
7244 memset(&cmd, 0, sizeof(cmd));
7245 cmd.cmd=CMD_LISTBSS;
7246 issuecommand(ai, &cmd, &rsp);
7252 wake_up_interruptible(&ai->thr_wait);
7256 /*------------------------------------------------------------------*/
7258 * Translate scan data returned from the card to a card independent
7259 * format that the Wireless Tools will understand - Jean II
7261 static inline char *airo_translate_scan(struct net_device *dev,
7262 struct iw_request_info *info,
7267 struct airo_info *ai = dev->ml_priv;
7268 struct iw_event iwe; /* Temporary buffer */
7269 __le16 capabilities;
7270 char * current_val; /* For rates */
7275 /* First entry *MUST* be the AP MAC address */
7276 iwe.cmd = SIOCGIWAP;
7277 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7278 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7279 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7280 &iwe, IW_EV_ADDR_LEN);
7282 /* Other entries will be displayed in the order we give them */
7285 iwe.u.data.length = bss->ssidLen;
7286 if(iwe.u.data.length > 32)
7287 iwe.u.data.length = 32;
7288 iwe.cmd = SIOCGIWESSID;
7289 iwe.u.data.flags = 1;
7290 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7294 iwe.cmd = SIOCGIWMODE;
7295 capabilities = bss->cap;
7296 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7297 if(capabilities & CAP_ESS)
7298 iwe.u.mode = IW_MODE_MASTER;
7300 iwe.u.mode = IW_MODE_ADHOC;
7301 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7302 &iwe, IW_EV_UINT_LEN);
7306 iwe.cmd = SIOCGIWFREQ;
7307 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7308 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7310 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7311 &iwe, IW_EV_FREQ_LEN);
7313 dBm = le16_to_cpu(bss->dBm);
7315 /* Add quality statistics */
7318 iwe.u.qual.level = 0x100 - dBm;
7319 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7320 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7321 | IW_QUAL_LEVEL_UPDATED
7324 iwe.u.qual.level = (dBm + 321) / 2;
7325 iwe.u.qual.qual = 0;
7326 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7327 | IW_QUAL_LEVEL_UPDATED
7330 iwe.u.qual.noise = ai->wstats.qual.noise;
7331 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7332 &iwe, IW_EV_QUAL_LEN);
7334 /* Add encryption capability */
7335 iwe.cmd = SIOCGIWENCODE;
7336 if(capabilities & CAP_PRIVACY)
7337 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7339 iwe.u.data.flags = IW_ENCODE_DISABLED;
7340 iwe.u.data.length = 0;
7341 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7344 /* Rate : stuffing multiple values in a single event require a bit
7345 * more of magic - Jean II */
7346 current_val = current_ev + iwe_stream_lcp_len(info);
7348 iwe.cmd = SIOCGIWRATE;
7349 /* Those two flags are ignored... */
7350 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7352 for(i = 0 ; i < 8 ; i++) {
7353 /* NULL terminated */
7354 if(bss->rates[i] == 0)
7356 /* Bit rate given in 500 kb/s units (+ 0x80) */
7357 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7358 /* Add new value to event */
7359 current_val = iwe_stream_add_value(info, current_ev,
7360 current_val, end_buf,
7361 &iwe, IW_EV_PARAM_LEN);
7363 /* Check if we added any event */
7364 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7365 current_ev = current_val;
7367 /* Beacon interval */
7368 buf = kmalloc(30, GFP_KERNEL);
7370 iwe.cmd = IWEVCUSTOM;
7371 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7372 iwe.u.data.length = strlen(buf);
7373 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7378 /* Put WPA/RSN Information Elements into the event stream */
7379 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7380 unsigned int num_null_ies = 0;
7381 u16 length = sizeof (bss->extra.iep);
7382 u8 *ie = (void *)&bss->extra.iep;
7384 while ((length >= 2) && (num_null_ies < 2)) {
7385 if (2 + ie[1] > length) {
7386 /* Invalid element, don't continue parsing IE */
7392 /* Two zero-length SSID elements
7393 * mean we're done parsing elements */
7398 case WLAN_EID_GENERIC:
7404 iwe.cmd = IWEVGENIE;
7405 /* 64 is an arbitrary cut-off */
7406 iwe.u.data.length = min(ie[1] + 2,
7408 current_ev = iwe_stream_add_point(
7415 iwe.cmd = IWEVGENIE;
7416 /* 64 is an arbitrary cut-off */
7417 iwe.u.data.length = min(ie[1] + 2, 64);
7418 current_ev = iwe_stream_add_point(
7419 info, current_ev, end_buf,
7427 length -= 2 + ie[1];
7434 /*------------------------------------------------------------------*/
7436 * Wireless Handler : Read Scan Results
7438 static int airo_get_scan(struct net_device *dev,
7439 struct iw_request_info *info,
7440 struct iw_point *dwrq,
7443 struct airo_info *ai = dev->ml_priv;
7444 BSSListElement *net;
7446 char *current_ev = extra;
7448 /* If a scan is in-progress, return -EAGAIN */
7449 if (ai->scan_timeout > 0)
7452 if (down_interruptible(&ai->sem))
7455 list_for_each_entry (net, &ai->network_list, list) {
7456 /* Translate to WE format this entry */
7457 current_ev = airo_translate_scan(dev, info, current_ev,
7458 extra + dwrq->length,
7461 /* Check if there is space for one more entry */
7462 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7463 /* Ask user space to try again with a bigger buffer */
7469 /* Length of data */
7470 dwrq->length = (current_ev - extra);
7471 dwrq->flags = 0; /* todo */
7478 /*------------------------------------------------------------------*/
7480 * Commit handler : called after a bunch of SET operations
7482 static int airo_config_commit(struct net_device *dev,
7483 struct iw_request_info *info, /* NULL */
7484 void *zwrq, /* NULL */
7485 char *extra) /* NULL */
7487 struct airo_info *local = dev->ml_priv;
7489 if (!test_bit (FLAG_COMMIT, &local->flags))
7492 /* Some of the "SET" function may have modified some of the
7493 * parameters. It's now time to commit them in the card */
7494 disable_MAC(local, 1);
7495 if (test_bit (FLAG_RESET, &local->flags)) {
7496 APListRid APList_rid;
7499 readAPListRid(local, &APList_rid);
7500 readSsidRid(local, &SSID_rid);
7501 if (test_bit(FLAG_MPI,&local->flags))
7502 setup_card(local, dev->dev_addr, 1 );
7504 reset_airo_card(dev);
7505 disable_MAC(local, 1);
7506 writeSsidRid(local, &SSID_rid, 1);
7507 writeAPListRid(local, &APList_rid, 1);
7509 if (down_interruptible(&local->sem))
7510 return -ERESTARTSYS;
7511 writeConfigRid(local, 0);
7512 enable_MAC(local, 0);
7513 if (test_bit (FLAG_RESET, &local->flags))
7514 airo_set_promisc(local);
7521 /*------------------------------------------------------------------*/
7523 * Structures to export the Wireless Handlers
7526 static const struct iw_priv_args airo_private_args[] = {
7527 /*{ cmd, set_args, get_args, name } */
7528 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7529 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7530 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7531 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7534 static const iw_handler airo_handler[] =
7536 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7537 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7538 (iw_handler) NULL, /* SIOCSIWNWID */
7539 (iw_handler) NULL, /* SIOCGIWNWID */
7540 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7541 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7542 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7543 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7544 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7545 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7546 (iw_handler) NULL, /* SIOCSIWRANGE */
7547 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7548 (iw_handler) NULL, /* SIOCSIWPRIV */
7549 (iw_handler) NULL, /* SIOCGIWPRIV */
7550 (iw_handler) NULL, /* SIOCSIWSTATS */
7551 (iw_handler) NULL, /* SIOCGIWSTATS */
7552 iw_handler_set_spy, /* SIOCSIWSPY */
7553 iw_handler_get_spy, /* SIOCGIWSPY */
7554 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7555 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7556 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7557 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7560 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7561 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7562 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7563 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7564 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7565 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* -- hole -- */
7568 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7569 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7570 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7571 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7572 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7573 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7574 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7575 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7576 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7577 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7578 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7579 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7580 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7581 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7582 (iw_handler) NULL, /* -- hole -- */
7583 (iw_handler) NULL, /* -- hole -- */
7584 (iw_handler) NULL, /* SIOCSIWGENIE */
7585 (iw_handler) NULL, /* SIOCGIWGENIE */
7586 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7587 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7588 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7589 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7590 (iw_handler) NULL, /* SIOCSIWPMKSA */
7593 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7594 * We want to force the use of the ioctl code, because those can't be
7595 * won't work the iw_handler code (because they simultaneously read
7596 * and write data and iw_handler can't do that).
7597 * Note that it's perfectly legal to read/write on a single ioctl command,
7598 * you just can't use iwpriv and need to force it via the ioctl handler.
7600 static const iw_handler airo_private_handler[] =
7602 NULL, /* SIOCIWFIRSTPRIV */
7605 static const struct iw_handler_def airo_handler_def =
7607 .num_standard = ARRAY_SIZE(airo_handler),
7608 .num_private = ARRAY_SIZE(airo_private_handler),
7609 .num_private_args = ARRAY_SIZE(airo_private_args),
7610 .standard = airo_handler,
7611 .private = airo_private_handler,
7612 .private_args = airo_private_args,
7613 .get_wireless_stats = airo_get_wireless_stats,
7617 * This defines the configuration part of the Wireless Extensions
7618 * Note : irq and spinlock protection will occur in the subroutines
7621 * o Check input value more carefully and fill correct values in range
7622 * o Test and shakeout the bugs (if any)
7626 * Javier Achirica did a great job of merging code from the unnamed CISCO
7627 * developer that added support for flashing the card.
7629 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7632 struct airo_info *ai = dev->ml_priv;
7634 if (ai->power.event)
7644 int val = AIROMAGIC;
7646 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7648 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7657 /* Get the command struct and hand it off for evaluation by
7658 * the proper subfunction
7662 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7667 /* Separate R/W functions bracket legality here
7669 if ( com.command == AIRORSWVERSION ) {
7670 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7675 else if ( com.command <= AIRORRID)
7676 rc = readrids(dev,&com);
7677 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7678 rc = writerids(dev,&com);
7679 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7680 rc = flashcard(dev,&com);
7682 rc = -EINVAL; /* Bad command in ioctl */
7685 #endif /* CISCO_EXT */
7687 // All other calls are currently unsupported
7695 * Get the Wireless stats out of the driver
7696 * Note : irq and spinlock protection will occur in the subroutines
7699 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7703 static void airo_read_wireless_stats(struct airo_info *local)
7705 StatusRid status_rid;
7707 CapabilityRid cap_rid;
7708 __le32 *vals = stats_rid.vals;
7710 /* Get stats out of the card */
7711 clear_bit(JOB_WSTATS, &local->jobs);
7712 if (local->power.event) {
7716 readCapabilityRid(local, &cap_rid, 0);
7717 readStatusRid(local, &status_rid, 0);
7718 readStatsRid(local, &stats_rid, RID_STATS, 0);
7722 local->wstats.status = le16_to_cpu(status_rid.mode);
7724 /* Signal quality and co */
7726 local->wstats.qual.level =
7727 airo_rssi_to_dbm(local->rssi,
7728 le16_to_cpu(status_rid.sigQuality));
7729 /* normalizedSignalStrength appears to be a percentage */
7730 local->wstats.qual.qual =
7731 le16_to_cpu(status_rid.normalizedSignalStrength);
7733 local->wstats.qual.level =
7734 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7735 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7737 if (le16_to_cpu(status_rid.len) >= 124) {
7738 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7739 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7741 local->wstats.qual.noise = 0;
7742 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7745 /* Packets discarded in the wireless adapter due to wireless
7746 * specific problems */
7747 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7748 le32_to_cpu(vals[57]) +
7749 le32_to_cpu(vals[58]); /* SSID Mismatch */
7750 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7751 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7752 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7753 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7754 le32_to_cpu(vals[32]);
7755 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7758 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7760 struct airo_info *local = dev->ml_priv;
7762 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7763 /* Get stats out of the card if available */
7764 if (down_trylock(&local->sem) != 0) {
7765 set_bit(JOB_WSTATS, &local->jobs);
7766 wake_up_interruptible(&local->thr_wait);
7768 airo_read_wireless_stats(local);
7771 return &local->wstats;
7776 * This just translates from driver IOCTL codes to the command codes to
7777 * feed to the radio's host interface. Things can be added/deleted
7778 * as needed. This represents the READ side of control I/O to
7781 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7782 unsigned short ridcode;
7783 unsigned char *iobuf;
7785 struct airo_info *ai = dev->ml_priv;
7787 if (test_bit(FLAG_FLASHING, &ai->flags))
7790 switch(comp->command)
7792 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7793 case AIROGCFG: ridcode = RID_CONFIG;
7794 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7795 disable_MAC (ai, 1);
7796 writeConfigRid (ai, 1);
7800 case AIROGSLIST: ridcode = RID_SSID; break;
7801 case AIROGVLIST: ridcode = RID_APLIST; break;
7802 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7803 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7804 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7805 /* Only super-user can read WEP keys */
7806 if (!capable(CAP_NET_ADMIN))
7809 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7810 /* Only super-user can read WEP keys */
7811 if (!capable(CAP_NET_ADMIN))
7814 case AIROGSTAT: ridcode = RID_STATUS; break;
7815 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7816 case AIROGSTATSC32: ridcode = RID_STATS; break;
7818 if (copy_to_user(comp->data, &ai->micstats,
7819 min((int)comp->len,(int)sizeof(ai->micstats))))
7822 case AIRORRID: ridcode = comp->ridnum; break;
7828 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7831 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7832 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7833 * then return it to the user
7834 * 9/22/2000 Honor user given length
7838 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7847 * Danger Will Robinson write the rids here
7850 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7851 struct airo_info *ai = dev->ml_priv;
7854 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7855 unsigned char *iobuf;
7857 /* Only super-user can write RIDs */
7858 if (!capable(CAP_NET_ADMIN))
7861 if (test_bit(FLAG_FLASHING, &ai->flags))
7865 writer = do_writerid;
7867 switch(comp->command)
7869 case AIROPSIDS: ridcode = RID_SSID; break;
7870 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7871 case AIROPAPLIST: ridcode = RID_APLIST; break;
7872 case AIROPCFG: ai->config.len = 0;
7873 clear_bit(FLAG_COMMIT, &ai->flags);
7874 ridcode = RID_CONFIG; break;
7875 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7876 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7877 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7878 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7880 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7881 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7883 /* this is not really a rid but a command given to the card
7887 if (enable_MAC(ai, 1) != 0)
7892 * Evidently this code in the airo driver does not get a symbol
7893 * as disable_MAC. it's probably so short the compiler does not gen one.
7899 /* This command merely clears the counts does not actually store any data
7900 * only reads rid. But as it changes the cards state, I put it in the
7901 * writerid routines.
7904 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7907 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7909 enabled = ai->micstats.enabled;
7910 memset(&ai->micstats,0,sizeof(ai->micstats));
7911 ai->micstats.enabled = enabled;
7913 if (copy_to_user(comp->data, iobuf,
7914 min((int)comp->len, (int)RIDSIZE))) {
7922 return -EOPNOTSUPP; /* Blarg! */
7924 if(comp->len > RIDSIZE)
7927 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7930 if (copy_from_user(iobuf,comp->data,comp->len)) {
7935 if (comp->command == AIROPCFG) {
7936 ConfigRid *cfg = (ConfigRid *)iobuf;
7938 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7939 cfg->opmode |= MODE_MIC;
7941 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7942 set_bit (FLAG_ADHOC, &ai->flags);
7944 clear_bit (FLAG_ADHOC, &ai->flags);
7947 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7955 /*****************************************************************************
7956 * Ancillary flash / mod functions much black magic lurkes here *
7957 *****************************************************************************
7961 * Flash command switch table
7964 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7967 /* Only super-user can modify flash */
7968 if (!capable(CAP_NET_ADMIN))
7971 switch(comp->command)
7974 return cmdreset((struct airo_info *)dev->ml_priv);
7977 if (!AIRO_FLASH(dev) &&
7978 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7980 return setflashmode((struct airo_info *)dev->ml_priv);
7982 case AIROFLSHGCHR: /* Get char from aux */
7983 if(comp->len != sizeof(int))
7985 if (copy_from_user(&z,comp->data,comp->len))
7987 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7989 case AIROFLSHPCHR: /* Send char to card. */
7990 if(comp->len != sizeof(int))
7992 if (copy_from_user(&z,comp->data,comp->len))
7994 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7996 case AIROFLPUTBUF: /* Send 32k to card */
7997 if (!AIRO_FLASH(dev))
7999 if(comp->len > FLASHSIZE)
8001 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8004 flashputbuf((struct airo_info *)dev->ml_priv);
8008 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8015 #define FLASH_COMMAND 0x7e7e
8019 * Disable MAC and do soft reset on
8023 static int cmdreset(struct airo_info *ai) {
8027 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8031 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8033 ssleep(1); /* WAS 600 12/7/00 */
8036 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8043 * Put the card in legendary flash
8047 static int setflashmode (struct airo_info *ai) {
8048 set_bit (FLAG_FLASHING, &ai->flags);
8050 OUT4500(ai, SWS0, FLASH_COMMAND);
8051 OUT4500(ai, SWS1, FLASH_COMMAND);
8053 OUT4500(ai, SWS0, FLASH_COMMAND);
8054 OUT4500(ai, COMMAND,0x10);
8056 OUT4500(ai, SWS2, FLASH_COMMAND);
8057 OUT4500(ai, SWS3, FLASH_COMMAND);
8058 OUT4500(ai, COMMAND,0);
8060 msleep(500); /* 500ms delay */
8063 clear_bit (FLAG_FLASHING, &ai->flags);
8064 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8070 /* Put character to SWS0 wait for dwelltime
8074 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8085 /* Wait for busy bit d15 to go false indicating buffer empty */
8086 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8091 /* timeout for busy clear wait */
8093 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8097 /* Port is clear now write byte and wait for it to echo back */
8099 OUT4500(ai,SWS0,byte);
8102 echo = IN4500(ai,SWS1);
8103 } while (dwelltime >= 0 && echo != byte);
8107 return (echo == byte) ? 0 : -EIO;
8111 * Get a character from the card matching matchbyte
8114 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8116 unsigned char rbyte=0;
8119 rchar = IN4500(ai,SWS1);
8121 if(dwelltime && !(0x8000 & rchar)){
8126 rbyte = 0xff & rchar;
8128 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8132 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8136 }while(dwelltime > 0);
8141 * Transfer 32k of firmware data from user buffer to our buffer and
8145 static int flashputbuf(struct airo_info *ai){
8149 if (test_bit(FLAG_MPI,&ai->flags))
8150 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8152 OUT4500(ai,AUXPAGE,0x100);
8153 OUT4500(ai,AUXOFF,0);
8155 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8156 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8159 OUT4500(ai,SWS0,0x8000);
8167 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8170 ssleep(1); /* Added 12/7/00 */
8171 clear_bit (FLAG_FLASHING, &ai->flags);
8172 if (test_bit(FLAG_MPI, &ai->flags)) {
8173 status = mpi_init_descriptors(ai);
8174 if (status != SUCCESS)
8177 status = setup_card(ai, dev->dev_addr, 1);
8179 if (!test_bit(FLAG_MPI,&ai->flags))
8180 for( i = 0; i < MAX_FIDS; i++ ) {
8181 ai->fids[i] = transmit_allocate
8182 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8185 ssleep(1); /* Added 12/7/00 */
8188 #endif /* CISCO_EXT */
8191 This program is free software; you can redistribute it and/or
8192 modify it under the terms of the GNU General Public License
8193 as published by the Free Software Foundation; either version 2
8194 of the License, or (at your option) any later version.
8196 This program is distributed in the hope that it will be useful,
8197 but WITHOUT ANY WARRANTY; without even the implied warranty of
8198 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8199 GNU General Public License for more details.
8203 Redistribution and use in source and binary forms, with or without
8204 modification, are permitted provided that the following conditions
8207 1. Redistributions of source code must retain the above copyright
8208 notice, this list of conditions and the following disclaimer.
8209 2. Redistributions in binary form must reproduce the above copyright
8210 notice, this list of conditions and the following disclaimer in the
8211 documentation and/or other materials provided with the distribution.
8212 3. The name of the author may not be used to endorse or promote
8213 products derived from this software without specific prior written
8216 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8217 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8218 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8219 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8220 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8221 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8222 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8223 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8224 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8225 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8226 POSSIBILITY OF SUCH DAMAGE.
8229 module_init(airo_init_module);
8230 module_exit(airo_cleanup_module);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blob