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 structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
508 } __attribute__ ((packed));
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
515 } __attribute__ ((packed));
517 typedef struct SsidRid SsidRid;
521 } __attribute__ ((packed));
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
530 } __attribute__ ((packed));
532 typedef struct ConfigRid ConfigRid;
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
563 u8 macAddr[ETH_ALEN];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
571 __le16 u16deviceType; /* for overriding device type */
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
618 __le16 bridgeDistance;
620 /*---------- Radio configuration ----------*/
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
654 } __attribute__ ((packed));
656 typedef struct StatusRid StatusRid;
666 u8 bssid[4][ETH_ALEN];
673 __le16 hopsToBackbone;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
713 } __attribute__ ((packed));
715 typedef struct StatsRid StatsRid;
720 } __attribute__ ((packed));
722 typedef struct APListRid APListRid;
726 } __attribute__ ((packed));
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
741 char callid[ETH_ALEN];
742 char supportedRates[8];
745 __le16 txPowerLevels[8];
756 } __attribute__ ((packed));
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
762 u8 fixed[12]; /* WLAN management frame */
764 } __attribute__ ((packed));
766 typedef struct BSSListRid BSSListRid;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798 } __attribute__ ((packed));
802 struct list_head list;
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
809 } __attribute__ ((packed));
811 typedef struct tdsRssiRid tdsRssiRid;
815 } __attribute__ ((packed));
817 typedef struct MICRid MICRid;
821 __le16 multicastValid;
825 } __attribute__ ((packed));
827 typedef struct MICBuffer MICBuffer;
843 } __attribute__ ((packed));
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859 #define BUSY_FID 0x10000
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
879 /* Ioctl constants to be used in airo_ioctl.command */
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
897 #define AIRORSWVERSION 17
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
934 static char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
960 } part; // saves partial message word across update() calls
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
985 unsigned int offset: 15;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
998 } __attribute__ ((packed));
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1009 * Host receive descriptor
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1021 * Host transmit descriptor
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1033 * Host RID descriptor
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1083 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctl = HOST_DONT_RLSE,
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155 static void airo_networks_free(struct airo_info *ai);
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1163 #define MPI_MAX_FIDS 1
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1191 #define JOB_XMIT11 2
1193 #define JOB_PROMISC 4
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 unsigned short *flash;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1210 struct sk_buff *skb;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1219 struct crypto_cipher *tfm;
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1251 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1257 static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259 static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1262 static int cmdreset(struct airo_info *ai);
1263 static int setflashmode (struct airo_info *ai);
1264 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265 static int flashputbuf(struct airo_info *ai);
1266 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268 #define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271 #define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1274 #define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1277 #define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1280 #define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1283 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285 /***********************************************************************
1287 ***********************************************************************
1290 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291 static void MoveWindow(miccntx *context, u32 micSeq);
1292 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294 static void emmh32_init(emmh32_context *context);
1295 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1322 /* micinit - Initialize mic seed */
1324 static void micinit(struct airo_info *ai)
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1355 /* micsetup - Get ready for business */
1357 static int micsetup(struct airo_info *ai) {
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1376 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378 /*===========================================================================
1379 * Description: Mic a packet
1381 * Inputs: etherHead * pointer to an 802.3 frame
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1394 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1404 context = &ai->mod[0].uCtx;
1406 if (!context->valid)
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1414 mic->seq = htonl(context->tx);
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1437 /*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1441 * Inputs: etherHead pointer to the 802.3 packet
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1450 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1456 mic_error micError = NONE;
1458 // Check if the packet is a Mic'd packet
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1469 if (ntohs(mic->typelen) == 0x888E)
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494 //Make sure context is valid
1495 if (!context->valid) {
1497 micError = NOMICPLUMMED;
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 emmh32_final(&context->seed, digest);
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1516 micError = INCORRECTMIC;
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1526 micError = SEQUENCE;
1529 // Update statistics
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1540 /*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1547 * Returns: TRUE if valid otherwise FALSE.
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1554 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1576 //Too old of a SEQ number to check.
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1595 MoveWindow(context,micSeq);
1602 static void MoveWindow(miccntx *context, u32 micSeq)
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1612 context->rx >>= shift;
1616 context->window = micSeq; //Move window
1620 /*==============================================*/
1621 /*========== EMMH ROUTINES ====================*/
1622 /*==============================================*/
1624 /* mic accumulate */
1625 #define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628 static unsigned char aes_counter[16];
1630 /* expand the key to fill the MMH coefficient array */
1631 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1639 u8 *cipher, plain[16];
1641 crypto_cipher_setkey(tfm, pkey, 16);
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1659 /* prepare for calculation of a new mic */
1660 static void emmh32_init(emmh32_context *context)
1662 /* prepare for new mic calculation */
1664 context->position = 0;
1667 /* add some bytes to the mic calculation */
1668 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670 int coeff_position, byte_position;
1672 if (len == 0) return;
1674 coeff_position = context->position >> 2;
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1689 /* deal with full 32-bit words */
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1697 /* deal with partial 32-bit word that will be left over from this update */
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1706 /* mask used to zero empty bytes for final partial word */
1707 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709 /* calculate the mic */
1710 static void emmh32_final(emmh32_context *context, u8 digest[4])
1712 int coeff_position, byte_position;
1718 coeff_position = context->position >> 2;
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1743 static int readBSSListRid(struct airo_info *ai, int first,
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1766 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1772 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1786 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1791 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1796 static int readConfigRid(struct airo_info *ai, int lock)
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1812 static inline void checkThrottle(struct airo_info *ai)
1815 /* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1825 static int writeConfigRid(struct airo_info *ai, int lock)
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1845 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1850 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1855 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1860 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1865 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1870 static void try_auto_wep(struct airo_info *ai)
1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1878 static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet commited, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 writeConfigRid(ai, 1);
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1911 /* Power on the MAC controller (which may have been disabled) */
1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1919 netif_start_queue(dev);
1923 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1924 int npacks, pending;
1925 unsigned long flags;
1926 struct airo_info *ai = dev->ml_priv;
1929 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 npacks = skb_queue_len (&ai->txq);
1934 if (npacks >= MAXTXQ - 1) {
1935 netif_stop_queue (dev);
1936 if (npacks > MAXTXQ) {
1937 dev->stats.tx_fifo_errors++;
1940 skb_queue_tail (&ai->txq, skb);
1944 spin_lock_irqsave(&ai->aux_lock, flags);
1945 skb_queue_tail (&ai->txq, skb);
1946 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1947 spin_unlock_irqrestore(&ai->aux_lock,flags);
1948 netif_wake_queue (dev);
1951 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1952 mpi_send_packet (dev);
1960 * Attempt to transmit a packet. Can be called from interrupt
1961 * or transmit . return number of packets we tried to send
1964 static int mpi_send_packet (struct net_device *dev)
1966 struct sk_buff *skb;
1967 unsigned char *buffer;
1970 struct airo_info *ai = dev->ml_priv;
1973 /* get a packet to send */
1975 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1976 airo_print_err(dev->name,
1977 "%s: Dequeue'd zero in send_packet()",
1982 /* check min length*/
1983 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1986 ai->txfids[0].tx_desc.offset = 0;
1987 ai->txfids[0].tx_desc.valid = 1;
1988 ai->txfids[0].tx_desc.eoc = 1;
1989 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1992 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1993 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1994 * is immediatly after it. ------------------------------------------------
1995 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1996 * ------------------------------------------------
1999 memcpy((char *)ai->txfids[0].virtual_host_addr,
2000 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2002 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2003 sizeof(wifictlhdr8023));
2004 sendbuf = ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023) + 2 ;
2008 * Firmware automaticly puts 802 header on so
2009 * we don't need to account for it in the length
2011 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2012 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2015 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2018 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2019 ai->txfids[0].tx_desc.len += sizeof(pMic);
2020 /* copy data into airo dma buffer */
2021 memcpy (sendbuf, buffer, sizeof(etherHead));
2022 buffer += sizeof(etherHead);
2023 sendbuf += sizeof(etherHead);
2024 memcpy (sendbuf, &pMic, sizeof(pMic));
2025 sendbuf += sizeof(pMic);
2026 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2028 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2030 dev->trans_start = jiffies;
2032 /* copy data into airo dma buffer */
2033 memcpy(sendbuf, buffer, len);
2036 memcpy_toio(ai->txfids[0].card_ram_off,
2037 &ai->txfids[0].tx_desc, sizeof(TxFid));
2039 OUT4500(ai, EVACK, 8);
2041 dev_kfree_skb_any(skb);
2045 static void get_tx_error(struct airo_info *ai, s32 fid)
2050 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2052 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2054 bap_read(ai, &status, 2, BAP0);
2056 if (le16_to_cpu(status) & 2) /* Too many retries */
2057 ai->dev->stats.tx_aborted_errors++;
2058 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2059 ai->dev->stats.tx_heartbeat_errors++;
2060 if (le16_to_cpu(status) & 8) /* Aid fail */
2062 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2063 ai->dev->stats.tx_carrier_errors++;
2064 if (le16_to_cpu(status) & 0x20) /* Association lost */
2066 /* We produce a TXDROP event only for retry or lifetime
2067 * exceeded, because that's the only status that really mean
2068 * that this particular node went away.
2069 * Other errors means that *we* screwed up. - Jean II */
2070 if ((le16_to_cpu(status) & 2) ||
2071 (le16_to_cpu(status) & 4)) {
2072 union iwreq_data wrqu;
2075 /* Faster to skip over useless data than to do
2076 * another bap_setup(). We are at offset 0x6 and
2077 * need to go to 0x18 and read 6 bytes - Jean II */
2078 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2080 /* Copy 802.11 dest address.
2081 * We use the 802.11 header because the frame may
2082 * not be 802.3 or may be mangled...
2083 * In Ad-Hoc mode, it will be the node address.
2084 * In managed mode, it will be most likely the AP addr
2085 * User space will figure out how to convert it to
2086 * whatever it needs (IP address or else).
2088 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2089 wrqu.addr.sa_family = ARPHRD_ETHER;
2091 /* Send event to user space */
2092 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 static void airo_end_xmit(struct net_device *dev) {
2099 struct airo_info *priv = dev->ml_priv;
2100 struct sk_buff *skb = priv->xmit.skb;
2101 int fid = priv->xmit.fid;
2102 u32 *fids = priv->fids;
2104 clear_bit(JOB_XMIT, &priv->jobs);
2105 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2106 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 if ( status == SUCCESS ) {
2111 dev->trans_start = jiffies;
2112 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2114 priv->fids[fid] &= 0xffff;
2115 dev->stats.tx_window_errors++;
2117 if (i < MAX_FIDS / 2)
2118 netif_wake_queue(dev);
2122 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2125 struct airo_info *priv = dev->ml_priv;
2126 u32 *fids = priv->fids;
2128 if ( skb == NULL ) {
2129 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2133 /* Find a vacant FID */
2134 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2135 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2137 if ( j >= MAX_FIDS / 2 ) {
2138 netif_stop_queue(dev);
2140 if (i == MAX_FIDS / 2) {
2141 dev->stats.tx_fifo_errors++;
2145 /* check min length*/
2146 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2147 /* Mark fid as used & save length for later */
2148 fids[i] |= (len << 16);
2149 priv->xmit.skb = skb;
2151 if (down_trylock(&priv->sem) != 0) {
2152 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2153 netif_stop_queue(dev);
2154 set_bit(JOB_XMIT, &priv->jobs);
2155 wake_up_interruptible(&priv->thr_wait);
2161 static void airo_end_xmit11(struct net_device *dev) {
2164 struct airo_info *priv = dev->ml_priv;
2165 struct sk_buff *skb = priv->xmit11.skb;
2166 int fid = priv->xmit11.fid;
2167 u32 *fids = priv->fids;
2169 clear_bit(JOB_XMIT11, &priv->jobs);
2170 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2171 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2175 if ( status == SUCCESS ) {
2176 dev->trans_start = jiffies;
2177 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2179 priv->fids[fid] &= 0xffff;
2180 dev->stats.tx_window_errors++;
2183 netif_wake_queue(dev);
2187 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2190 struct airo_info *priv = dev->ml_priv;
2191 u32 *fids = priv->fids;
2193 if (test_bit(FLAG_MPI, &priv->flags)) {
2194 /* Not implemented yet for MPI350 */
2195 netif_stop_queue(dev);
2199 if ( skb == NULL ) {
2200 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2204 /* Find a vacant FID */
2205 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2206 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2208 if ( j >= MAX_FIDS ) {
2209 netif_stop_queue(dev);
2211 if (i == MAX_FIDS) {
2212 dev->stats.tx_fifo_errors++;
2216 /* check min length*/
2217 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2218 /* Mark fid as used & save length for later */
2219 fids[i] |= (len << 16);
2220 priv->xmit11.skb = skb;
2221 priv->xmit11.fid = i;
2222 if (down_trylock(&priv->sem) != 0) {
2223 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2224 netif_stop_queue(dev);
2225 set_bit(JOB_XMIT11, &priv->jobs);
2226 wake_up_interruptible(&priv->thr_wait);
2228 airo_end_xmit11(dev);
2232 static void airo_read_stats(struct net_device *dev)
2234 struct airo_info *ai = dev->ml_priv;
2236 __le32 *vals = stats_rid.vals;
2238 clear_bit(JOB_STATS, &ai->jobs);
2239 if (ai->power.event) {
2243 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2246 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2247 le32_to_cpu(vals[45]);
2248 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2249 le32_to_cpu(vals[41]);
2250 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2251 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2252 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2253 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2254 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2255 dev->stats.tx_fifo_errors;
2256 dev->stats.multicast = le32_to_cpu(vals[43]);
2257 dev->stats.collisions = le32_to_cpu(vals[89]);
2259 /* detailed rx_errors: */
2260 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2261 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2262 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2263 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2266 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2268 struct airo_info *local = dev->ml_priv;
2270 if (!test_bit(JOB_STATS, &local->jobs)) {
2271 /* Get stats out of the card if available */
2272 if (down_trylock(&local->sem) != 0) {
2273 set_bit(JOB_STATS, &local->jobs);
2274 wake_up_interruptible(&local->thr_wait);
2276 airo_read_stats(dev);
2282 static void airo_set_promisc(struct airo_info *ai) {
2286 memset(&cmd, 0, sizeof(cmd));
2287 cmd.cmd=CMD_SETMODE;
2288 clear_bit(JOB_PROMISC, &ai->jobs);
2289 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2290 issuecommand(ai, &cmd, &rsp);
2294 static void airo_set_multicast_list(struct net_device *dev) {
2295 struct airo_info *ai = dev->ml_priv;
2297 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2298 change_bit(FLAG_PROMISC, &ai->flags);
2299 if (down_trylock(&ai->sem) != 0) {
2300 set_bit(JOB_PROMISC, &ai->jobs);
2301 wake_up_interruptible(&ai->thr_wait);
2303 airo_set_promisc(ai);
2306 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2307 /* Turn on multicast. (Should be already setup...) */
2311 static int airo_set_mac_address(struct net_device *dev, void *p)
2313 struct airo_info *ai = dev->ml_priv;
2314 struct sockaddr *addr = p;
2316 readConfigRid(ai, 1);
2317 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2318 set_bit (FLAG_COMMIT, &ai->flags);
2320 writeConfigRid (ai, 1);
2322 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2324 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2328 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2330 if ((new_mtu < 68) || (new_mtu > 2400))
2336 static LIST_HEAD(airo_devices);
2338 static void add_airo_dev(struct airo_info *ai)
2340 /* Upper layers already keep track of PCI devices,
2341 * so we only need to remember our non-PCI cards. */
2343 list_add_tail(&ai->dev_list, &airo_devices);
2346 static void del_airo_dev(struct airo_info *ai)
2349 list_del(&ai->dev_list);
2352 static int airo_close(struct net_device *dev) {
2353 struct airo_info *ai = dev->ml_priv;
2355 netif_stop_queue(dev);
2357 if (ai->wifidev != dev) {
2358 #ifdef POWER_ON_DOWN
2359 /* Shut power to the card. The idea is that the user can save
2360 * power when he doesn't need the card with "ifconfig down".
2361 * That's the method that is most friendly towards the network
2362 * stack (i.e. the network stack won't try to broadcast
2363 * anything on the interface and routes are gone. Jean II */
2364 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2367 disable_interrupts( ai );
2369 free_irq(dev->irq, dev);
2371 set_bit(JOB_DIE, &ai->jobs);
2372 kthread_stop(ai->airo_thread_task);
2377 void stop_airo_card( struct net_device *dev, int freeres )
2379 struct airo_info *ai = dev->ml_priv;
2381 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2383 disable_interrupts(ai);
2384 takedown_proc_entry( dev, ai );
2385 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2386 unregister_netdev( dev );
2388 unregister_netdev(ai->wifidev);
2389 free_netdev(ai->wifidev);
2392 clear_bit(FLAG_REGISTERED, &ai->flags);
2395 * Clean out tx queue
2397 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2398 struct sk_buff *skb = NULL;
2399 for (;(skb = skb_dequeue(&ai->txq));)
2403 airo_networks_free (ai);
2410 /* PCMCIA frees this stuff, so only for PCI and ISA */
2411 release_region( dev->base_addr, 64 );
2412 if (test_bit(FLAG_MPI, &ai->flags)) {
2414 mpi_unmap_card(ai->pci);
2416 iounmap(ai->pcimem);
2418 iounmap(ai->pciaux);
2419 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2420 ai->shared, ai->shared_dma);
2423 crypto_free_cipher(ai->tfm);
2428 EXPORT_SYMBOL(stop_airo_card);
2430 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2432 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2436 static void mpi_unmap_card(struct pci_dev *pci)
2438 unsigned long mem_start = pci_resource_start(pci, 1);
2439 unsigned long mem_len = pci_resource_len(pci, 1);
2440 unsigned long aux_start = pci_resource_start(pci, 2);
2441 unsigned long aux_len = AUXMEMSIZE;
2443 release_mem_region(aux_start, aux_len);
2444 release_mem_region(mem_start, mem_len);
2447 /*************************************************************
2448 * This routine assumes that descriptors have been setup .
2449 * Run at insmod time or after reset when the decriptors
2450 * have been initialized . Returns 0 if all is well nz
2451 * otherwise . Does not allocate memory but sets up card
2452 * using previously allocated descriptors.
2454 static int mpi_init_descriptors (struct airo_info *ai)
2461 /* Alloc card RX descriptors */
2462 netif_stop_queue(ai->dev);
2464 memset(&rsp,0,sizeof(rsp));
2465 memset(&cmd,0,sizeof(cmd));
2467 cmd.cmd = CMD_ALLOCATEAUX;
2469 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2470 cmd.parm2 = MPI_MAX_FIDS;
2471 rc=issuecommand(ai, &cmd, &rsp);
2472 if (rc != SUCCESS) {
2473 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2477 for (i=0; i<MPI_MAX_FIDS; i++) {
2478 memcpy_toio(ai->rxfids[i].card_ram_off,
2479 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2482 /* Alloc card TX descriptors */
2484 memset(&rsp,0,sizeof(rsp));
2485 memset(&cmd,0,sizeof(cmd));
2487 cmd.cmd = CMD_ALLOCATEAUX;
2489 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2490 cmd.parm2 = MPI_MAX_FIDS;
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 ai->txfids[i].tx_desc.valid = 1;
2494 memcpy_toio(ai->txfids[i].card_ram_off,
2495 &ai->txfids[i].tx_desc, sizeof(TxFid));
2497 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2499 rc=issuecommand(ai, &cmd, &rsp);
2500 if (rc != SUCCESS) {
2501 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2505 /* Alloc card Rid descriptor */
2506 memset(&rsp,0,sizeof(rsp));
2507 memset(&cmd,0,sizeof(cmd));
2509 cmd.cmd = CMD_ALLOCATEAUX;
2511 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2512 cmd.parm2 = 1; /* Magic number... */
2513 rc=issuecommand(ai, &cmd, &rsp);
2514 if (rc != SUCCESS) {
2515 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2519 memcpy_toio(ai->config_desc.card_ram_off,
2520 &ai->config_desc.rid_desc, sizeof(Rid));
2526 * We are setting up three things here:
2527 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2528 * 2) Map PCI memory for issueing commands.
2529 * 3) Allocate memory (shared) to send and receive ethernet frames.
2531 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2533 unsigned long mem_start, mem_len, aux_start, aux_len;
2536 dma_addr_t busaddroff;
2537 unsigned char *vpackoff;
2538 unsigned char __iomem *pciaddroff;
2540 mem_start = pci_resource_start(pci, 1);
2541 mem_len = pci_resource_len(pci, 1);
2542 aux_start = pci_resource_start(pci, 2);
2543 aux_len = AUXMEMSIZE;
2545 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2546 airo_print_err("", "Couldn't get region %x[%x]",
2547 (int)mem_start, (int)mem_len);
2550 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2551 airo_print_err("", "Couldn't get region %x[%x]",
2552 (int)aux_start, (int)aux_len);
2556 ai->pcimem = ioremap(mem_start, mem_len);
2558 airo_print_err("", "Couldn't map region %x[%x]",
2559 (int)mem_start, (int)mem_len);
2562 ai->pciaux = ioremap(aux_start, aux_len);
2564 airo_print_err("", "Couldn't map region %x[%x]",
2565 (int)aux_start, (int)aux_len);
2569 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2570 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2572 airo_print_err("", "Couldn't alloc_consistent %d",
2578 * Setup descriptor RX, TX, CONFIG
2580 busaddroff = ai->shared_dma;
2581 pciaddroff = ai->pciaux + AUX_OFFSET;
2582 vpackoff = ai->shared;
2584 /* RX descriptor setup */
2585 for(i = 0; i < MPI_MAX_FIDS; i++) {
2586 ai->rxfids[i].pending = 0;
2587 ai->rxfids[i].card_ram_off = pciaddroff;
2588 ai->rxfids[i].virtual_host_addr = vpackoff;
2589 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2590 ai->rxfids[i].rx_desc.valid = 1;
2591 ai->rxfids[i].rx_desc.len = PKTSIZE;
2592 ai->rxfids[i].rx_desc.rdy = 0;
2594 pciaddroff += sizeof(RxFid);
2595 busaddroff += PKTSIZE;
2596 vpackoff += PKTSIZE;
2599 /* TX descriptor setup */
2600 for(i = 0; i < MPI_MAX_FIDS; i++) {
2601 ai->txfids[i].card_ram_off = pciaddroff;
2602 ai->txfids[i].virtual_host_addr = vpackoff;
2603 ai->txfids[i].tx_desc.valid = 1;
2604 ai->txfids[i].tx_desc.host_addr = busaddroff;
2605 memcpy(ai->txfids[i].virtual_host_addr,
2606 &wifictlhdr8023, sizeof(wifictlhdr8023));
2608 pciaddroff += sizeof(TxFid);
2609 busaddroff += PKTSIZE;
2610 vpackoff += PKTSIZE;
2612 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2614 /* Rid descriptor setup */
2615 ai->config_desc.card_ram_off = pciaddroff;
2616 ai->config_desc.virtual_host_addr = vpackoff;
2617 ai->config_desc.rid_desc.host_addr = busaddroff;
2618 ai->ridbus = busaddroff;
2619 ai->config_desc.rid_desc.rid = 0;
2620 ai->config_desc.rid_desc.len = RIDSIZE;
2621 ai->config_desc.rid_desc.valid = 1;
2622 pciaddroff += sizeof(Rid);
2623 busaddroff += RIDSIZE;
2624 vpackoff += RIDSIZE;
2626 /* Tell card about descriptors */
2627 if (mpi_init_descriptors (ai) != SUCCESS)
2632 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2634 iounmap(ai->pciaux);
2636 iounmap(ai->pcimem);
2638 release_mem_region(aux_start, aux_len);
2640 release_mem_region(mem_start, mem_len);
2645 static const struct header_ops airo_header_ops = {
2646 .parse = wll_header_parse,
2649 static void wifi_setup(struct net_device *dev)
2651 dev->header_ops = &airo_header_ops;
2652 dev->hard_start_xmit = &airo_start_xmit11;
2653 dev->get_stats = &airo_get_stats;
2654 dev->set_mac_address = &airo_set_mac_address;
2655 dev->do_ioctl = &airo_ioctl;
2656 dev->wireless_handlers = &airo_handler_def;
2657 dev->change_mtu = &airo_change_mtu;
2658 dev->open = &airo_open;
2659 dev->stop = &airo_close;
2661 dev->type = ARPHRD_IEEE80211;
2662 dev->hard_header_len = ETH_HLEN;
2663 dev->mtu = AIRO_DEF_MTU;
2664 dev->addr_len = ETH_ALEN;
2665 dev->tx_queue_len = 100;
2667 memset(dev->broadcast,0xFF, ETH_ALEN);
2669 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2672 static struct net_device *init_wifidev(struct airo_info *ai,
2673 struct net_device *ethdev)
2676 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2679 dev->ml_priv = ethdev->ml_priv;
2680 dev->irq = ethdev->irq;
2681 dev->base_addr = ethdev->base_addr;
2682 dev->wireless_data = ethdev->wireless_data;
2683 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2684 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2685 err = register_netdev(dev);
2693 static int reset_card( struct net_device *dev , int lock) {
2694 struct airo_info *ai = dev->ml_priv;
2696 if (lock && down_interruptible(&ai->sem))
2699 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2708 #define AIRO_MAX_NETWORK_COUNT 64
2709 static int airo_networks_allocate(struct airo_info *ai)
2715 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2717 if (!ai->networks) {
2718 airo_print_warn("", "Out of memory allocating beacons");
2725 static void airo_networks_free(struct airo_info *ai)
2727 kfree(ai->networks);
2728 ai->networks = NULL;
2731 static void airo_networks_initialize(struct airo_info *ai)
2735 INIT_LIST_HEAD(&ai->network_free_list);
2736 INIT_LIST_HEAD(&ai->network_list);
2737 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2738 list_add_tail(&ai->networks[i].list,
2739 &ai->network_free_list);
2742 static struct net_device *_init_airo_card( unsigned short irq, int port,
2743 int is_pcmcia, struct pci_dev *pci,
2744 struct device *dmdev )
2746 struct net_device *dev;
2747 struct airo_info *ai;
2749 CapabilityRid cap_rid;
2751 /* Create the network device object. */
2752 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2754 airo_print_err("", "Couldn't alloc_etherdev");
2758 ai = dev->ml_priv = netdev_priv(dev);
2760 ai->flags = 1 << FLAG_RADIO_DOWN;
2763 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2764 airo_print_dbg("", "Found an MPI350 card");
2765 set_bit(FLAG_MPI, &ai->flags);
2767 spin_lock_init(&ai->aux_lock);
2768 sema_init(&ai->sem, 1);
2771 init_waitqueue_head (&ai->thr_wait);
2775 if (airo_networks_allocate (ai))
2777 airo_networks_initialize (ai);
2779 /* The Airo-specific entries in the device structure. */
2780 if (test_bit(FLAG_MPI,&ai->flags)) {
2781 skb_queue_head_init (&ai->txq);
2782 dev->hard_start_xmit = &mpi_start_xmit;
2784 dev->hard_start_xmit = &airo_start_xmit;
2785 dev->get_stats = &airo_get_stats;
2786 dev->set_multicast_list = &airo_set_multicast_list;
2787 dev->set_mac_address = &airo_set_mac_address;
2788 dev->do_ioctl = &airo_ioctl;
2789 dev->wireless_handlers = &airo_handler_def;
2790 ai->wireless_data.spy_data = &ai->spy_data;
2791 dev->wireless_data = &ai->wireless_data;
2792 dev->change_mtu = &airo_change_mtu;
2793 dev->open = &airo_open;
2794 dev->stop = &airo_close;
2796 dev->base_addr = port;
2798 SET_NETDEV_DEV(dev, dmdev);
2800 reset_card (dev, 1);
2804 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2806 airo_print_err(dev->name, "Couldn't request region");
2811 if (test_bit(FLAG_MPI,&ai->flags)) {
2812 if (mpi_map_card(ai, pci)) {
2813 airo_print_err("", "Could not map memory");
2819 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2820 airo_print_err(dev->name, "MAC could not be enabled" );
2824 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2825 ai->bap_read = fast_bap_read;
2826 set_bit(FLAG_FLASHING, &ai->flags);
2829 strcpy(dev->name, "eth%d");
2830 rc = register_netdev(dev);
2832 airo_print_err(dev->name, "Couldn't register_netdev");
2835 ai->wifidev = init_wifidev(ai, dev);
2839 rc = readCapabilityRid(ai, &cap_rid, 1);
2840 if (rc != SUCCESS) {
2844 /* WEP capability discovery */
2845 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2846 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2848 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2849 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2850 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2851 le16_to_cpu(cap_rid.softSubVer));
2853 /* Test for WPA support */
2854 /* Only firmware versions 5.30.17 or better can do WPA */
2855 if (le16_to_cpu(cap_rid.softVer) > 0x530
2856 || (le16_to_cpu(cap_rid.softVer) == 0x530
2857 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2858 airo_print_info(ai->dev->name, "WPA supported.");
2860 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2861 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2862 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2863 ai->bssListRidLen = sizeof(BSSListRid);
2865 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2866 "versions older than 5.30.17.");
2868 ai->bssListFirst = RID_BSSLISTFIRST;
2869 ai->bssListNext = RID_BSSLISTNEXT;
2870 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2873 set_bit(FLAG_REGISTERED,&ai->flags);
2874 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2876 /* Allocate the transmit buffers */
2877 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2878 for( i = 0; i < MAX_FIDS; i++ )
2879 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2881 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2887 unregister_netdev(ai->wifidev);
2888 free_netdev(ai->wifidev);
2890 unregister_netdev(dev);
2892 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2893 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2894 iounmap(ai->pciaux);
2895 iounmap(ai->pcimem);
2896 mpi_unmap_card(ai->pci);
2900 release_region( dev->base_addr, 64 );
2902 airo_networks_free(ai);
2909 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2910 struct device *dmdev)
2912 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2915 EXPORT_SYMBOL(init_airo_card);
2917 static int waitbusy (struct airo_info *ai) {
2919 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2921 if ((++delay % 20) == 0)
2922 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2924 return delay < 10000;
2927 int reset_airo_card( struct net_device *dev )
2930 struct airo_info *ai = dev->ml_priv;
2932 if (reset_card (dev, 1))
2935 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2936 airo_print_err(dev->name, "MAC could not be enabled");
2939 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2940 /* Allocate the transmit buffers if needed */
2941 if (!test_bit(FLAG_MPI,&ai->flags))
2942 for( i = 0; i < MAX_FIDS; i++ )
2943 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2945 enable_interrupts( ai );
2946 netif_wake_queue(dev);
2950 EXPORT_SYMBOL(reset_airo_card);
2952 static void airo_send_event(struct net_device *dev) {
2953 struct airo_info *ai = dev->ml_priv;
2954 union iwreq_data wrqu;
2955 StatusRid status_rid;
2957 clear_bit(JOB_EVENT, &ai->jobs);
2958 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2960 wrqu.data.length = 0;
2961 wrqu.data.flags = 0;
2962 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2963 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2965 /* Send event to user space */
2966 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2969 static void airo_process_scan_results (struct airo_info *ai) {
2970 union iwreq_data wrqu;
2973 BSSListElement * loop_net;
2974 BSSListElement * tmp_net;
2976 /* Blow away current list of scan results */
2977 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2978 list_move_tail (&loop_net->list, &ai->network_free_list);
2979 /* Don't blow away ->list, just BSS data */
2980 memset (loop_net, 0, sizeof (loop_net->bss));
2983 /* Try to read the first entry of the scan result */
2984 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2985 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2986 /* No scan results */
2990 /* Read and parse all entries */
2992 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2993 /* Grab a network off the free list */
2994 if (!list_empty(&ai->network_free_list)) {
2995 tmp_net = list_entry(ai->network_free_list.next,
2996 BSSListElement, list);
2997 list_del(ai->network_free_list.next);
3000 if (tmp_net != NULL) {
3001 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3002 list_add_tail(&tmp_net->list, &ai->network_list);
3006 /* Read next entry */
3007 rc = PC4500_readrid(ai, ai->bssListNext,
3008 &bss, ai->bssListRidLen, 0);
3012 ai->scan_timeout = 0;
3013 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3016 /* Send an empty event to user space.
3017 * We don't send the received data on
3018 * the event because it would require
3019 * us to do complex transcoding, and
3020 * we want to minimise the work done in
3021 * the irq handler. Use a request to
3022 * extract the data - Jean II */
3023 wrqu.data.length = 0;
3024 wrqu.data.flags = 0;
3025 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3028 static int airo_thread(void *data) {
3029 struct net_device *dev = data;
3030 struct airo_info *ai = dev->ml_priv;
3035 /* make swsusp happy with our thread */
3038 if (test_bit(JOB_DIE, &ai->jobs))
3042 locked = down_interruptible(&ai->sem);
3046 init_waitqueue_entry(&wait, current);
3047 add_wait_queue(&ai->thr_wait, &wait);
3049 set_current_state(TASK_INTERRUPTIBLE);
3052 if (ai->expires || ai->scan_timeout) {
3053 if (ai->scan_timeout &&
3054 time_after_eq(jiffies,ai->scan_timeout)){
3055 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3057 } else if (ai->expires &&
3058 time_after_eq(jiffies,ai->expires)){
3059 set_bit(JOB_AUTOWEP, &ai->jobs);
3062 if (!kthread_should_stop() &&
3063 !freezing(current)) {
3064 unsigned long wake_at;
3065 if (!ai->expires || !ai->scan_timeout) {
3066 wake_at = max(ai->expires,
3069 wake_at = min(ai->expires,
3072 schedule_timeout(wake_at - jiffies);
3075 } else if (!kthread_should_stop() &&
3076 !freezing(current)) {
3082 current->state = TASK_RUNNING;
3083 remove_wait_queue(&ai->thr_wait, &wait);
3090 if (test_bit(JOB_DIE, &ai->jobs)) {
3095 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3100 if (test_bit(JOB_XMIT, &ai->jobs))
3102 else if (test_bit(JOB_XMIT11, &ai->jobs))
3103 airo_end_xmit11(dev);
3104 else if (test_bit(JOB_STATS, &ai->jobs))
3105 airo_read_stats(dev);
3106 else if (test_bit(JOB_WSTATS, &ai->jobs))
3107 airo_read_wireless_stats(ai);
3108 else if (test_bit(JOB_PROMISC, &ai->jobs))
3109 airo_set_promisc(ai);
3110 else if (test_bit(JOB_MIC, &ai->jobs))
3112 else if (test_bit(JOB_EVENT, &ai->jobs))
3113 airo_send_event(dev);
3114 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3116 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3117 airo_process_scan_results(ai);
3118 else /* Shouldn't get here, but we make sure to unlock */
3125 static int header_len(__le16 ctl)
3127 u16 fc = le16_to_cpu(ctl);
3130 if ((fc & 0xe0) == 0xc0)
3131 return 10; /* one-address control packet */
3132 return 16; /* two-address control packet */
3134 if ((fc & 0x300) == 0x300)
3135 return 30; /* WDS packet */
3140 static void airo_handle_cisco_mic(struct airo_info *ai)
3142 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3143 set_bit(JOB_MIC, &ai->jobs);
3144 wake_up_interruptible(&ai->thr_wait);
3148 /* Airo Status codes */
3149 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3150 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3151 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3152 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3153 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3154 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3155 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3156 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3157 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3158 #define STAT_ASSOC 0x0400 /* Associated */
3159 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3161 static void airo_print_status(const char *devname, u16 status)
3163 u8 reason = status & 0xFF;
3167 airo_print_dbg(devname, "link lost (missed beacons)");
3169 case STAT_MAXRETRIES:
3171 airo_print_dbg(devname, "link lost (max retries)");
3173 case STAT_FORCELOSS:
3174 airo_print_dbg(devname, "link lost (local choice)");
3177 airo_print_dbg(devname, "link lost (TSF sync lost)");
3180 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3183 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3185 case STAT_ASSOC_FAIL:
3186 airo_print_dbg(devname, "association failed (reason: %d)",
3189 case STAT_AUTH_FAIL:
3190 airo_print_dbg(devname, "authentication failed (reason: %d)",
3198 static void airo_handle_link(struct airo_info *ai)
3200 union iwreq_data wrqu;
3201 int scan_forceloss = 0;
3204 /* Get new status and acknowledge the link change */
3205 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3206 OUT4500(ai, EVACK, EV_LINK);
3208 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3211 airo_print_status(ai->dev->name, status);
3213 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3216 if (ai->list_bss_task)
3217 wake_up_process(ai->list_bss_task);
3218 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3219 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3221 if (down_trylock(&ai->sem) != 0) {
3222 set_bit(JOB_EVENT, &ai->jobs);
3223 wake_up_interruptible(&ai->thr_wait);
3225 airo_send_event(ai->dev);
3226 } else if (!scan_forceloss) {
3227 if (auto_wep && !ai->expires) {
3228 ai->expires = RUN_AT(3*HZ);
3229 wake_up_interruptible(&ai->thr_wait);
3232 /* Send event to user space */
3233 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3234 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3235 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3239 static void airo_handle_rx(struct airo_info *ai)
3241 struct sk_buff *skb = NULL;
3242 __le16 fc, v, *buffer, tmpbuf[4];
3243 u16 len, hdrlen = 0, gap, fid;
3247 if (test_bit(FLAG_MPI, &ai->flags)) {
3248 if (test_bit(FLAG_802_11, &ai->flags))
3249 mpi_receive_802_11(ai);
3251 mpi_receive_802_3(ai);
3252 OUT4500(ai, EVACK, EV_RX);
3256 fid = IN4500(ai, RXFID);
3258 /* Get the packet length */
3259 if (test_bit(FLAG_802_11, &ai->flags)) {
3260 bap_setup (ai, fid, 4, BAP0);
3261 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3262 /* Bad CRC. Ignore packet */
3263 if (le16_to_cpu(hdr.status) & 2)
3265 if (ai->wifidev == NULL)
3268 bap_setup(ai, fid, 0x36, BAP0);
3269 bap_read(ai, &hdr.len, 2, BAP0);
3271 len = le16_to_cpu(hdr.len);
3273 if (len > AIRO_DEF_MTU) {
3274 airo_print_err(ai->dev->name, "Bad size %d", len);
3280 if (test_bit(FLAG_802_11, &ai->flags)) {
3281 bap_read(ai, &fc, sizeof (fc), BAP0);
3282 hdrlen = header_len(fc);
3284 hdrlen = ETH_ALEN * 2;
3286 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3288 ai->dev->stats.rx_dropped++;
3292 skb_reserve(skb, 2); /* This way the IP header is aligned */
3293 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3294 if (test_bit(FLAG_802_11, &ai->flags)) {
3296 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3298 bap_read(ai, tmpbuf, 6, BAP0);
3300 bap_read(ai, &v, sizeof(v), BAP0);
3301 gap = le16_to_cpu(v);
3304 bap_read(ai, tmpbuf, gap, BAP0);
3306 airo_print_err(ai->dev->name, "gaplen too "
3307 "big. Problems will follow...");
3310 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3314 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3315 if (ai->micstats.enabled) {
3316 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3317 if (ntohs(micbuf.typelen) > 0x05DC)
3318 bap_setup(ai, fid, 0x44, BAP0);
3320 if (len <= sizeof (micbuf)) {
3321 dev_kfree_skb_irq(skb);
3325 len -= sizeof(micbuf);
3326 skb_trim(skb, len + hdrlen);
3330 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3331 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3332 dev_kfree_skb_irq (skb);
3338 if (success && (ai->spy_data.spy_number > 0)) {
3340 struct iw_quality wstats;
3342 /* Prepare spy data : addr + qual */
3343 if (!test_bit(FLAG_802_11, &ai->flags)) {
3344 sa = (char *) buffer + 6;
3345 bap_setup(ai, fid, 8, BAP0);
3346 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3348 sa = (char *) buffer + 10;
3349 wstats.qual = hdr.rssi[0];
3351 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3353 wstats.level = (hdr.rssi[1] + 321) / 2;
3354 wstats.noise = ai->wstats.qual.noise;
3355 wstats.updated = IW_QUAL_LEVEL_UPDATED
3356 | IW_QUAL_QUAL_UPDATED
3358 /* Update spy records */
3359 wireless_spy_update(ai->dev, sa, &wstats);
3361 #endif /* WIRELESS_SPY */
3364 OUT4500(ai, EVACK, EV_RX);
3367 if (test_bit(FLAG_802_11, &ai->flags)) {
3368 skb_reset_mac_header(skb);
3369 skb->pkt_type = PACKET_OTHERHOST;
3370 skb->dev = ai->wifidev;
3371 skb->protocol = htons(ETH_P_802_2);
3373 skb->protocol = eth_type_trans(skb, ai->dev);
3374 skb->ip_summed = CHECKSUM_NONE;
3380 static void airo_handle_tx(struct airo_info *ai, u16 status)
3382 int i, len = 0, index = -1;
3385 if (test_bit(FLAG_MPI, &ai->flags)) {
3386 unsigned long flags;
3388 if (status & EV_TXEXC)
3389 get_tx_error(ai, -1);
3391 spin_lock_irqsave(&ai->aux_lock, flags);
3392 if (!skb_queue_empty(&ai->txq)) {
3393 spin_unlock_irqrestore(&ai->aux_lock,flags);
3394 mpi_send_packet(ai->dev);
3396 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3397 spin_unlock_irqrestore(&ai->aux_lock,flags);
3398 netif_wake_queue(ai->dev);
3400 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3404 fid = IN4500(ai, TXCOMPLFID);
3406 for(i = 0; i < MAX_FIDS; i++) {
3407 if ((ai->fids[i] & 0xffff) == fid) {
3408 len = ai->fids[i] >> 16;
3414 if (status & EV_TXEXC)
3415 get_tx_error(ai, index);
3417 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3419 /* Set up to be used again */
3420 ai->fids[index] &= 0xffff;
3421 if (index < MAX_FIDS / 2) {
3422 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3423 netif_wake_queue(ai->dev);
3425 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3426 netif_wake_queue(ai->wifidev);
3429 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3430 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3434 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3436 struct net_device *dev = dev_id;
3437 u16 status, savedInterrupts = 0;
3438 struct airo_info *ai = dev->ml_priv;
3441 if (!netif_device_present(dev))
3445 status = IN4500(ai, EVSTAT);
3446 if (!(status & STATUS_INTS) || (status == 0xffff))
3451 if (status & EV_AWAKE) {
3452 OUT4500(ai, EVACK, EV_AWAKE);
3453 OUT4500(ai, EVACK, EV_AWAKE);
3456 if (!savedInterrupts) {
3457 savedInterrupts = IN4500(ai, EVINTEN);
3458 OUT4500(ai, EVINTEN, 0);
3461 if (status & EV_MIC) {
3462 OUT4500(ai, EVACK, EV_MIC);
3463 airo_handle_cisco_mic(ai);
3466 if (status & EV_LINK) {
3467 /* Link status changed */
3468 airo_handle_link(ai);
3471 /* Check to see if there is something to receive */
3475 /* Check to see if a packet has been transmitted */
3476 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3477 airo_handle_tx(ai, status);
3479 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3480 airo_print_warn(ai->dev->name, "Got weird status %x",
3481 status & ~STATUS_INTS & ~IGNORE_INTS );
3485 if (savedInterrupts)
3486 OUT4500(ai, EVINTEN, savedInterrupts);
3488 return IRQ_RETVAL(handled);
3492 * Routines to talk to the card
3496 * This was originally written for the 4500, hence the name
3497 * NOTE: If use with 8bit mode and SMP bad things will happen!
3498 * Why would some one do 8 bit IO in an SMP machine?!?
3500 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3501 if (test_bit(FLAG_MPI,&ai->flags))
3504 outw( val, ai->dev->base_addr + reg );
3506 outb( val & 0xff, ai->dev->base_addr + reg );
3507 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3511 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3514 if (test_bit(FLAG_MPI,&ai->flags))
3517 rc = inw( ai->dev->base_addr + reg );
3519 rc = inb( ai->dev->base_addr + reg );
3520 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3525 static int enable_MAC(struct airo_info *ai, int lock)
3531 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3532 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3533 * Note : we could try to use !netif_running(dev) in enable_MAC()
3534 * instead of this flag, but I don't trust it *within* the
3535 * open/close functions, and testing both flags together is
3536 * "cheaper" - Jean II */
3537 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3539 if (lock && down_interruptible(&ai->sem))
3540 return -ERESTARTSYS;
3542 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3543 memset(&cmd, 0, sizeof(cmd));
3544 cmd.cmd = MAC_ENABLE;
3545 rc = issuecommand(ai, &cmd, &rsp);
3547 set_bit(FLAG_ENABLED, &ai->flags);
3555 airo_print_err(ai->dev->name, "Cannot enable MAC");
3556 else if ((rsp.status & 0xFF00) != 0) {
3557 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3558 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3564 static void disable_MAC( struct airo_info *ai, int lock ) {
3568 if (lock && down_interruptible(&ai->sem))
3571 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3572 memset(&cmd, 0, sizeof(cmd));
3573 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3574 issuecommand(ai, &cmd, &rsp);
3575 clear_bit(FLAG_ENABLED, &ai->flags);
3581 static void enable_interrupts( struct airo_info *ai ) {
3582 /* Enable the interrupts */
3583 OUT4500( ai, EVINTEN, STATUS_INTS );
3586 static void disable_interrupts( struct airo_info *ai ) {
3587 OUT4500( ai, EVINTEN, 0 );
3590 static void mpi_receive_802_3(struct airo_info *ai)
3594 struct sk_buff *skb;
3599 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3600 /* Make sure we got something */
3601 if (rxd.rdy && rxd.valid == 0) {
3603 if (len < 12 || len > 2048)
3606 skb = dev_alloc_skb(len);
3608 ai->dev->stats.rx_dropped++;
3611 buffer = skb_put(skb,len);
3612 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3613 if (ai->micstats.enabled) {
3615 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3617 if (ntohs(micbuf.typelen) <= 0x05DC) {
3618 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3621 off = sizeof(micbuf);
3622 skb_trim (skb, len - off);
3625 memcpy(buffer + ETH_ALEN * 2,
3626 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3627 len - ETH_ALEN * 2 - off);
3628 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3630 dev_kfree_skb_irq (skb);
3634 if (ai->spy_data.spy_number > 0) {
3636 struct iw_quality wstats;
3637 /* Prepare spy data : addr + qual */
3638 sa = buffer + ETH_ALEN;
3639 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3642 /* Update spy records */
3643 wireless_spy_update(ai->dev, sa, &wstats);
3645 #endif /* WIRELESS_SPY */
3647 skb->ip_summed = CHECKSUM_NONE;
3648 skb->protocol = eth_type_trans(skb, ai->dev);
3652 if (rxd.valid == 0) {
3656 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3660 static void mpi_receive_802_11(struct airo_info *ai)
3663 struct sk_buff *skb = NULL;
3664 u16 len, hdrlen = 0;
3669 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3671 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3672 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3674 /* Bad CRC. Ignore packet */
3675 if (le16_to_cpu(hdr.status) & 2)
3677 if (ai->wifidev == NULL)
3679 len = le16_to_cpu(hdr.len);
3680 if (len > AIRO_DEF_MTU) {
3681 airo_print_err(ai->dev->name, "Bad size %d", len);
3687 fc = get_unaligned((__le16 *)ptr);
3688 hdrlen = header_len(fc);
3690 skb = dev_alloc_skb( len + hdrlen + 2 );
3692 ai->dev->stats.rx_dropped++;
3695 buffer = (u16*)skb_put (skb, len + hdrlen);
3696 memcpy ((char *)buffer, ptr, hdrlen);
3700 gap = get_unaligned_le16(ptr);
3701 ptr += sizeof(__le16);
3706 airo_print_err(ai->dev->name,
3707 "gaplen too big. Problems will follow...");
3709 memcpy ((char *)buffer + hdrlen, ptr, len);
3711 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3712 if (ai->spy_data.spy_number > 0) {
3714 struct iw_quality wstats;
3715 /* Prepare spy data : addr + qual */
3716 sa = (char*)buffer + 10;
3717 wstats.qual = hdr.rssi[0];
3719 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3721 wstats.level = (hdr.rssi[1] + 321) / 2;
3722 wstats.noise = ai->wstats.qual.noise;
3723 wstats.updated = IW_QUAL_QUAL_UPDATED
3724 | IW_QUAL_LEVEL_UPDATED
3726 /* Update spy records */
3727 wireless_spy_update(ai->dev, sa, &wstats);
3729 #endif /* IW_WIRELESS_SPY */
3730 skb_reset_mac_header(skb);
3731 skb->pkt_type = PACKET_OTHERHOST;
3732 skb->dev = ai->wifidev;
3733 skb->protocol = htons(ETH_P_802_2);
3734 skb->ip_summed = CHECKSUM_NONE;
3738 if (rxd.valid == 0) {
3742 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3746 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3756 memset( &mySsid, 0, sizeof( mySsid ) );
3760 /* The NOP is the first step in getting the card going */
3762 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3763 if (lock && down_interruptible(&ai->sem))
3765 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3770 disable_MAC( ai, 0);
3772 // Let's figure out if we need to use the AUX port
3773 if (!test_bit(FLAG_MPI,&ai->flags)) {
3774 cmd.cmd = CMD_ENABLEAUX;
3775 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3778 airo_print_err(ai->dev->name, "Error checking for AUX port");
3781 if (!aux_bap || rsp.status & 0xff00) {
3782 ai->bap_read = fast_bap_read;
3783 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3785 ai->bap_read = aux_bap_read;
3786 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3791 if (ai->config.len == 0) {
3793 tdsRssiRid rssi_rid;
3794 CapabilityRid cap_rid;
3800 // general configuration (read/modify/write)
3801 status = readConfigRid(ai, lock);
3802 if ( status != SUCCESS ) return ERROR;
3804 status = readCapabilityRid(ai, &cap_rid, lock);
3805 if ( status != SUCCESS ) return ERROR;
3807 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3808 if ( status == SUCCESS ) {
3809 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3810 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3815 if (cap_rid.softCap & cpu_to_le16(8))
3816 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3818 airo_print_warn(ai->dev->name, "unknown received signal "
3821 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3822 ai->config.authType = AUTH_OPEN;
3823 ai->config.modulation = MOD_CCK;
3825 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3826 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3827 micsetup(ai) == SUCCESS) {
3828 ai->config.opmode |= MODE_MIC;
3829 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3832 /* Save off the MAC */
3833 for( i = 0; i < ETH_ALEN; i++ ) {
3834 mac[i] = ai->config.macAddr[i];
3837 /* Check to see if there are any insmod configured
3840 memset(ai->config.rates,0,sizeof(ai->config.rates));
3841 for( i = 0; i < 8 && rates[i]; i++ ) {
3842 ai->config.rates[i] = rates[i];
3845 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);