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)
3757 memset( &mySsid, 0, sizeof( mySsid ) );
3761 /* The NOP is the first step in getting the card going */
3763 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3764 if (lock && down_interruptible(&ai->sem))
3766 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3771 disable_MAC( ai, 0);
3773 // Let's figure out if we need to use the AUX port
3774 if (!test_bit(FLAG_MPI,&ai->flags)) {
3775 cmd.cmd = CMD_ENABLEAUX;
3776 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3779 airo_print_err(ai->dev->name, "Error checking for AUX port");
3782 if (!aux_bap || rsp.status & 0xff00) {
3783 ai->bap_read = fast_bap_read;
3784 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3786 ai->bap_read = aux_bap_read;
3787 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3792 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
3841 memset(ai->config.rates,0,sizeof(ai->config.rates));
3842 for( i = 0; i < 8 && rates[i]; i++ ) {
3843 ai->config.rates[i] = rates[i];
3846 if ( basic_rate > 0 ) {
3848 for( i = 0; i < 8; i++ ) {
3849 if ( ai->config.rates[i] == basic_rate ||
3850 !ai->config.rates ) {
3851 ai->config.rates[i] = basic_rate | 0x80;
3856 set_bit (FLAG_COMMIT, &ai->flags);
3859 /* Setup the SSIDs if present */
3862 for( i = 0; i < 3 && ssids[i]; i++ ) {
3863 size_t len = strlen(ssids[i]);
3866 mySsid.ssids[i].len = cpu_to_le16(len);
3867 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3869 mySsid.len = cpu_to_le16(sizeof(mySsid));
3872 status = writeConfigRid(ai, lock);
3873 if ( status != SUCCESS ) return ERROR;
3875 /* Set up the SSID list */
3877 status = writeSsidRid(ai, &mySsid, lock);
3878 if ( status != SUCCESS ) return ERROR;
3881 status = enable_MAC(ai, lock);
3882 if (status != SUCCESS)
3885 /* Grab the initial wep key, we gotta save it for auto_wep */
3886 rc = readWepKeyRid(ai, &wkr, 1, lock);
3887 if (rc == SUCCESS) do {
3888 lastindex = wkr.kindex;
3889 if (wkr.kindex == cpu_to_le16(0xffff)) {
3890 ai->defindex = wkr.mac[0];
3892 rc = readWepKeyRid(ai, &wkr, 0, lock);
3893 } while(lastindex != wkr.kindex);
3900 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3901 // Im really paranoid about letting it run forever!
3902 int max_tries = 600000;
3904 if (IN4500(ai, EVSTAT) & EV_CMD)
3905 OUT4500(ai, EVACK, EV_CMD);
3907 OUT4500(ai, PARAM0, pCmd->parm0);
3908 OUT4500(ai, PARAM1, pCmd->parm1);
3909 OUT4500(ai, PARAM2, pCmd->parm2);
3910 OUT4500(ai, COMMAND, pCmd->cmd);
3912 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3913 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3914 // PC4500 didn't notice command, try again
3915 OUT4500(ai, COMMAND, pCmd->cmd);
3916 if (!in_atomic() && (max_tries & 255) == 0)
3920 if ( max_tries == -1 ) {
3921 airo_print_err(ai->dev->name,
3922 "Max tries exceeded when issueing command");
3923 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3924 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3928 // command completed
3929 pRsp->status = IN4500(ai, STATUS);
3930 pRsp->rsp0 = IN4500(ai, RESP0);
3931 pRsp->rsp1 = IN4500(ai, RESP1);
3932 pRsp->rsp2 = IN4500(ai, RESP2);
3933 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3934 airo_print_err(ai->dev->name,
3935 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3936 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3939 // clear stuck command busy if necessary
3940 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3941 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3943 // acknowledge processing the status/response
3944 OUT4500(ai, EVACK, EV_CMD);
3949 /* Sets up the bap to start exchange data. whichbap should
3950 * be one of the BAP0 or BAP1 defines. Locks should be held before
3952 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3957 OUT4500(ai, SELECT0+whichbap, rid);
3958 OUT4500(ai, OFFSET0+whichbap, offset);
3960 int status = IN4500(ai, OFFSET0+whichbap);
3961 if (status & BAP_BUSY) {
3962 /* This isn't really a timeout, but its kinda
3967 } else if ( status & BAP_ERR ) {
3968 /* invalid rid or offset */
3969 airo_print_err(ai->dev->name, "BAP error %x %d",
3972 } else if (status & BAP_DONE) { // success
3975 if ( !(max_tries--) ) {
3976 airo_print_err(ai->dev->name,
3977 "BAP setup error too many retries\n");
3980 // -- PC4500 missed it, try again
3981 OUT4500(ai, SELECT0+whichbap, rid);
3982 OUT4500(ai, OFFSET0+whichbap, offset);
3987 /* should only be called by aux_bap_read. This aux function and the
3988 following use concepts not documented in the developers guide. I
3989 got them from a patch given to my by Aironet */
3990 static u16 aux_setup(struct airo_info *ai, u16 page,
3991 u16 offset, u16 *len)
3995 OUT4500(ai, AUXPAGE, page);
3996 OUT4500(ai, AUXOFF, 0);
3997 next = IN4500(ai, AUXDATA);
3998 *len = IN4500(ai, AUXDATA)&0xff;
3999 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4003 /* requires call to bap_setup() first */
4004 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4005 int bytelen, int whichbap)
4013 unsigned long flags;
4015 spin_lock_irqsave(&ai->aux_lock, flags);
4016 page = IN4500(ai, SWS0+whichbap);
4017 offset = IN4500(ai, SWS2+whichbap);
4018 next = aux_setup(ai, page, offset, &len);
4019 words = (bytelen+1)>>1;
4021 for (i=0; i<words;) {
4023 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4025 insw( ai->dev->base_addr+DATA0+whichbap,
4028 insb( ai->dev->base_addr+DATA0+whichbap,
4029 pu16Dst+i, count << 1 );
4032 next = aux_setup(ai, next, 4, &len);
4035 spin_unlock_irqrestore(&ai->aux_lock, flags);
4040 /* requires call to bap_setup() first */
4041 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4042 int bytelen, int whichbap)
4044 bytelen = (bytelen + 1) & (~1); // round up to even value
4046 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4048 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4052 /* requires call to bap_setup() first */
4053 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4054 int bytelen, int whichbap)
4056 bytelen = (bytelen + 1) & (~1); // round up to even value
4058 outsw( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Src, bytelen>>1 );
4061 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4065 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4067 Cmd cmd; /* for issuing commands */
4068 Resp rsp; /* response from commands */
4071 memset(&cmd, 0, sizeof(cmd));
4074 status = issuecommand(ai, &cmd, &rsp);
4075 if (status != 0) return status;
4076 if ( (rsp.status & 0x7F00) != 0) {
4077 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4082 /* Note, that we are using BAP1 which is also used by transmit, so
4083 * we must get a lock. */
4084 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4090 if (down_interruptible(&ai->sem))
4093 if (test_bit(FLAG_MPI,&ai->flags)) {
4097 memset(&cmd, 0, sizeof(cmd));
4098 memset(&rsp, 0, sizeof(rsp));
4099 ai->config_desc.rid_desc.valid = 1;
4100 ai->config_desc.rid_desc.len = RIDSIZE;
4101 ai->config_desc.rid_desc.rid = 0;
4102 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4104 cmd.cmd = CMD_ACCESS;
4107 memcpy_toio(ai->config_desc.card_ram_off,
4108 &ai->config_desc.rid_desc, sizeof(Rid));
4110 rc = issuecommand(ai, &cmd, &rsp);
4112 if (rsp.status & 0x7f00)
4115 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4118 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4122 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4126 // read the rid length field
4127 bap_read(ai, pBuf, 2, BAP1);
4128 // length for remaining part of rid
4129 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4132 airo_print_err(ai->dev->name,
4133 "Rid %x has a length of %d which is too short",
4134 (int)rid, (int)len );
4138 // read remainder of the rid
4139 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4147 /* Note, that we are using BAP1 which is also used by transmit, so
4148 * make sure this isnt called when a transmit is happening */
4149 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4150 const void *pBuf, int len, int lock)
4155 *(__le16*)pBuf = cpu_to_le16((u16)len);
4158 if (down_interruptible(&ai->sem))
4161 if (test_bit(FLAG_MPI,&ai->flags)) {
4165 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4166 airo_print_err(ai->dev->name,
4167 "%s: MAC should be disabled (rid=%04x)",
4169 memset(&cmd, 0, sizeof(cmd));
4170 memset(&rsp, 0, sizeof(rsp));
4172 ai->config_desc.rid_desc.valid = 1;
4173 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4174 ai->config_desc.rid_desc.rid = 0;
4176 cmd.cmd = CMD_WRITERID;
4179 memcpy_toio(ai->config_desc.card_ram_off,
4180 &ai->config_desc.rid_desc, sizeof(Rid));
4182 if (len < 4 || len > 2047) {
4183 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4186 memcpy((char *)ai->config_desc.virtual_host_addr,
4189 rc = issuecommand(ai, &cmd, &rsp);
4190 if ((rc & 0xff00) != 0) {
4191 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4193 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4197 if ((rsp.status & 0x7f00))
4201 // --- first access so that we can write the rid data
4202 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4206 // --- now write the rid data
4207 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4211 bap_write(ai, pBuf, len, BAP1);
4212 // ---now commit the rid data
4213 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4221 /* Allocates a FID to be used for transmitting packets. We only use
4223 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4225 unsigned int loop = 3000;
4231 cmd.cmd = CMD_ALLOCATETX;
4232 cmd.parm0 = lenPayload;
4233 if (down_interruptible(&ai->sem))
4235 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4239 if ( (rsp.status & 0xFF00) != 0) {
4243 /* wait for the allocate event/indication
4244 * It makes me kind of nervous that this can just sit here and spin,
4245 * but in practice it only loops like four times. */
4246 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4252 // get the allocated fid and acknowledge
4253 txFid = IN4500(ai, TXALLOCFID);
4254 OUT4500(ai, EVACK, EV_ALLOC);
4256 /* The CARD is pretty cool since it converts the ethernet packet
4257 * into 802.11. Also note that we don't release the FID since we
4258 * will be using the same one over and over again. */
4259 /* We only have to setup the control once since we are not
4260 * releasing the fid. */
4262 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4263 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4265 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4266 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4267 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4270 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4278 /* In general BAP1 is dedicated to transmiting packets. However,
4279 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4280 Make sure the BAP1 spinlock is held when this is called. */
4281 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4292 if (len <= ETH_ALEN * 2) {
4293 airo_print_warn(ai->dev->name, "Short packet %d", len);
4296 len -= ETH_ALEN * 2;
4298 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4299 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4300 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4302 miclen = sizeof(pMic);
4304 // packet is destination[6], source[6], payload[len-12]
4305 // write the payload length and dst/src/payload
4306 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4307 /* The hardware addresses aren't counted as part of the payload, so
4308 * we have to subtract the 12 bytes for the addresses off */
4309 payloadLen = cpu_to_le16(len + miclen);
4310 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4311 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4313 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4314 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4315 // issue the transmit command
4316 memset( &cmd, 0, sizeof( cmd ) );
4317 cmd.cmd = CMD_TRANSMIT;
4319 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4320 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4324 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4326 __le16 fc, payloadLen;
4330 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4331 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4335 fc = *(__le16*)pPacket;
4336 hdrlen = header_len(fc);
4339 airo_print_warn(ai->dev->name, "Short packet %d", len);
4343 /* packet is 802.11 header + payload
4344 * write the payload length and dst/src/payload */
4345 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4346 /* The 802.11 header aren't counted as part of the payload, so
4347 * we have to subtract the header bytes off */
4348 payloadLen = cpu_to_le16(len-hdrlen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4350 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4351 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4352 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4354 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4365 * This is the proc_fs routines. It is a bit messier than I would
4366 * like! Feel free to clean it up!
4369 static ssize_t proc_read( struct file *file,
4370 char __user *buffer,
4374 static ssize_t proc_write( struct file *file,
4375 const char __user *buffer,
4378 static int proc_close( struct inode *inode, struct file *file );
4380 static int proc_stats_open( struct inode *inode, struct file *file );
4381 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4382 static int proc_status_open( struct inode *inode, struct file *file );
4383 static int proc_SSID_open( struct inode *inode, struct file *file );
4384 static int proc_APList_open( struct inode *inode, struct file *file );
4385 static int proc_BSSList_open( struct inode *inode, struct file *file );
4386 static int proc_config_open( struct inode *inode, struct file *file );
4387 static int proc_wepkey_open( struct inode *inode, struct file *file );
4389 static const struct file_operations proc_statsdelta_ops = {
4390 .owner = THIS_MODULE,
4392 .open = proc_statsdelta_open,
4393 .release = proc_close
4396 static const struct file_operations proc_stats_ops = {
4397 .owner = THIS_MODULE,
4399 .open = proc_stats_open,
4400 .release = proc_close
4403 static const struct file_operations proc_status_ops = {
4404 .owner = THIS_MODULE,
4406 .open = proc_status_open,
4407 .release = proc_close
4410 static const struct file_operations proc_SSID_ops = {
4411 .owner = THIS_MODULE,
4413 .write = proc_write,
4414 .open = proc_SSID_open,
4415 .release = proc_close
4418 static const struct file_operations proc_BSSList_ops = {
4419 .owner = THIS_MODULE,
4421 .write = proc_write,
4422 .open = proc_BSSList_open,
4423 .release = proc_close
4426 static const struct file_operations proc_APList_ops = {
4427 .owner = THIS_MODULE,
4429 .write = proc_write,
4430 .open = proc_APList_open,
4431 .release = proc_close
4434 static const struct file_operations proc_config_ops = {
4435 .owner = THIS_MODULE,
4437 .write = proc_write,
4438 .open = proc_config_open,
4439 .release = proc_close
4442 static const struct file_operations proc_wepkey_ops = {
4443 .owner = THIS_MODULE,
4445 .write = proc_write,
4446 .open = proc_wepkey_open,
4447 .release = proc_close
4450 static struct proc_dir_entry *airo_entry;
4459 void (*on_close) (struct inode *, struct file *);
4462 static int setup_proc_entry( struct net_device *dev,
4463 struct airo_info *apriv ) {
4464 struct proc_dir_entry *entry;
4465 /* First setup the device directory */
4466 strcpy(apriv->proc_name,dev->name);
4467 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4470 if (!apriv->proc_entry)
4472 apriv->proc_entry->uid = proc_uid;
4473 apriv->proc_entry->gid = proc_gid;
4474 apriv->proc_entry->owner = THIS_MODULE;
4476 /* Setup the StatsDelta */
4477 entry = proc_create_data("StatsDelta",
4478 S_IFREG | (S_IRUGO&proc_perm),
4479 apriv->proc_entry, &proc_statsdelta_ops, dev);
4481 goto fail_stats_delta;
4482 entry->uid = proc_uid;
4483 entry->gid = proc_gid;
4485 /* Setup the Stats */
4486 entry = proc_create_data("Stats",
4487 S_IFREG | (S_IRUGO&proc_perm),
4488 apriv->proc_entry, &proc_stats_ops, dev);
4491 entry->uid = proc_uid;
4492 entry->gid = proc_gid;
4494 /* Setup the Status */
4495 entry = proc_create_data("Status",
4496 S_IFREG | (S_IRUGO&proc_perm),
4497 apriv->proc_entry, &proc_status_ops, dev);
4500 entry->uid = proc_uid;
4501 entry->gid = proc_gid;
4503 /* Setup the Config */
4504 entry = proc_create_data("Config",
4505 S_IFREG | proc_perm,
4506 apriv->proc_entry, &proc_config_ops, dev);
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
4512 /* Setup the SSID */
4513 entry = proc_create_data("SSID",
4514 S_IFREG | proc_perm,
4515 apriv->proc_entry, &proc_SSID_ops, dev);
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
4521 /* Setup the APList */
4522 entry = proc_create_data("APList",
4523 S_IFREG | proc_perm,
4524 apriv->proc_entry, &proc_APList_ops, dev);
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4530 /* Setup the BSSList */
4531 entry = proc_create_data("BSSList",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_BSSList_ops, dev);
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4539 /* Setup the WepKey */
4540 entry = proc_create_data("WepKey",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_wepkey_ops, dev);
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4551 remove_proc_entry("BSSList", apriv->proc_entry);
4553 remove_proc_entry("APList", apriv->proc_entry);
4555 remove_proc_entry("SSID", apriv->proc_entry);
4557 remove_proc_entry("Config", apriv->proc_entry);
4559 remove_proc_entry("Status", apriv->proc_entry);
4561 remove_proc_entry("Stats", apriv->proc_entry);
4563 remove_proc_entry("StatsDelta", apriv->proc_entry);
4565 remove_proc_entry(apriv->proc_name, airo_entry);
4570 static int takedown_proc_entry( struct net_device *dev,
4571 struct airo_info *apriv ) {
4572 if ( !apriv->proc_entry->namelen ) return 0;
4573 remove_proc_entry("Stats",apriv->proc_entry);
4574 remove_proc_entry("StatsDelta",apriv->proc_entry);
4575 remove_proc_entry("Status",apriv->proc_entry);
4576 remove_proc_entry("Config",apriv->proc_entry);
4577 remove_proc_entry("SSID",apriv->proc_entry);
4578 remove_proc_entry("APList",apriv->proc_entry);
4579 remove_proc_entry("BSSList",apriv->proc_entry);
4580 remove_proc_entry("WepKey",apriv->proc_entry);
4581 remove_proc_entry(apriv->proc_name,airo_entry);
4586 * What we want from the proc_fs is to be able to efficiently read
4587 * and write the configuration. To do this, we want to read the
4588 * configuration when the file is opened and write it when the file is
4589 * closed. So basically we allocate a read buffer at open and fill it
4590 * with data, and allocate a write buffer and read it at close.
4594 * The read routine is generic, it relies on the preallocated rbuffer
4595 * to supply the data.
4597 static ssize_t proc_read( struct file *file,
4598 char __user *buffer,
4602 struct proc_data *priv = file->private_data;
4607 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4612 * The write routine is generic, it fills in a preallocated rbuffer
4613 * to supply the data.
4615 static ssize_t proc_write( struct file *file,
4616 const char __user *buffer,
4620 loff_t pos = *offset;
4621 struct proc_data *priv = (struct proc_data*)file->private_data;
4628 if (pos >= priv->maxwritelen)
4630 if (len > priv->maxwritelen - pos)
4631 len = priv->maxwritelen - pos;
4632 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4634 if ( pos + len > priv->writelen )
4635 priv->writelen = len + file->f_pos;
4636 *offset = pos + len;
4640 static int proc_status_open(struct inode *inode, struct file *file)
4642 struct proc_data *data;
4643 struct proc_dir_entry *dp = PDE(inode);
4644 struct net_device *dev = dp->data;
4645 struct airo_info *apriv = dev->ml_priv;
4646 CapabilityRid cap_rid;
4647 StatusRid status_rid;
4651 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4653 data = (struct proc_data *)file->private_data;
4654 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4655 kfree (file->private_data);
4659 readStatusRid(apriv, &status_rid, 1);
4660 readCapabilityRid(apriv, &cap_rid, 1);
4662 mode = le16_to_cpu(status_rid.mode);
4664 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4665 mode & 1 ? "CFG ": "",
4666 mode & 2 ? "ACT ": "",
4667 mode & 0x10 ? "SYN ": "",
4668 mode & 0x20 ? "LNK ": "",
4669 mode & 0x40 ? "LEAP ": "",
4670 mode & 0x80 ? "PRIV ": "",
4671 mode & 0x100 ? "KEY ": "",
4672 mode & 0x200 ? "WEP ": "",
4673 mode & 0x8000 ? "ERR ": "");
4674 sprintf( data->rbuffer+i, "Mode: %x\n"
4675 "Signal Strength: %d\n"
4676 "Signal Quality: %d\n"
4681 "Driver Version: %s\n"
4682 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4683 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4684 "Software Version: %x\nSoftware Subversion: %x\n"
4685 "Boot block version: %x\n",
4686 le16_to_cpu(status_rid.mode),
4687 le16_to_cpu(status_rid.normalizedSignalStrength),
4688 le16_to_cpu(status_rid.signalQuality),
4689 le16_to_cpu(status_rid.SSIDlen),
4692 le16_to_cpu(status_rid.channel),
4693 le16_to_cpu(status_rid.currentXmitRate) / 2,
4698 le16_to_cpu(cap_rid.radioType),
4699 le16_to_cpu(cap_rid.country),
4700 le16_to_cpu(cap_rid.hardVer),
4701 le16_to_cpu(cap_rid.softVer),
4702 le16_to_cpu(cap_rid.softSubVer),
4703 le16_to_cpu(cap_rid.bootBlockVer));
4704 data->readlen = strlen( data->rbuffer );
4708 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4709 static int proc_statsdelta_open( struct inode *inode,
4710 struct file *file ) {
4711 if (file->f_mode&FMODE_WRITE) {
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4714 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4717 static int proc_stats_open( struct inode *inode, struct file *file ) {
4718 return proc_stats_rid_open(inode, file, RID_STATS);
4721 static int proc_stats_rid_open( struct inode *inode,
4725 struct proc_data *data;
4726 struct proc_dir_entry *dp = PDE(inode);
4727 struct net_device *dev = dp->data;
4728 struct airo_info *apriv = dev->ml_priv;
4731 __le32 *vals = stats.vals;
4732 int len = le16_to_cpu(stats.len);
4734 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4736 data = (struct proc_data *)file->private_data;
4737 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4738 kfree (file->private_data);
4742 readStatsRid(apriv, &stats, rid, 1);
4745 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4746 if (!statsLabels[i]) continue;
4747 if (j+strlen(statsLabels[i])+16>4096) {
4748 airo_print_warn(apriv->dev->name,
4749 "Potentially disasterous buffer overflow averted!");
4752 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4753 le32_to_cpu(vals[i]));
4756 airo_print_warn(apriv->dev->name, "Got a short rid");
4762 static int get_dec_u16( char *buffer, int *start, int limit ) {
4765 for( value = 0; buffer[*start] >= '0' &&
4766 buffer[*start] <= '9' &&
4767 *start < limit; (*start)++ ) {
4770 value += buffer[*start] - '0';
4772 if ( !valid ) return -1;
4776 static int airo_config_commit(struct net_device *dev,
4777 struct iw_request_info *info, void *zwrq,
4780 static inline int sniffing_mode(struct airo_info *ai)
4782 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4783 le16_to_cpu(RXMODE_RFMON);
4786 static void proc_config_on_close(struct inode *inode, struct file *file)
4788 struct proc_data *data = file->private_data;
4789 struct proc_dir_entry *dp = PDE(inode);
4790 struct net_device *dev = dp->data;
4791 struct airo_info *ai = dev->ml_priv;
4794 if ( !data->writelen ) return;
4796 readConfigRid(ai, 1);
4797 set_bit (FLAG_COMMIT, &ai->flags);
4799 line = data->wbuffer;
4801 /*** Mode processing */
4802 if ( !strncmp( line, "Mode: ", 6 ) ) {
4804 if (sniffing_mode(ai))
4805 set_bit (FLAG_RESET, &ai->flags);
4806 ai->config.rmode &= ~RXMODE_FULL_MASK;
4807 clear_bit (FLAG_802_11, &ai->flags);
4808 ai->config.opmode &= ~MODE_CFG_MASK;
4809 ai->config.scanMode = SCANMODE_ACTIVE;
4810 if ( line[0] == 'a' ) {
4811 ai->config.opmode |= MODE_STA_IBSS;
4813 ai->config.opmode |= MODE_STA_ESS;
4814 if ( line[0] == 'r' ) {
4815 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4816 ai->config.scanMode = SCANMODE_PASSIVE;
4817 set_bit (FLAG_802_11, &ai->flags);
4818 } else if ( line[0] == 'y' ) {
4819 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4820 ai->config.scanMode = SCANMODE_PASSIVE;
4821 set_bit (FLAG_802_11, &ai->flags);
4822 } else if ( line[0] == 'l' )
4823 ai->config.rmode |= RXMODE_LANMON;
4825 set_bit (FLAG_COMMIT, &ai->flags);
4828 /*** Radio status */
4829 else if (!strncmp(line,"Radio: ", 7)) {
4831 if (!strncmp(line,"off",3)) {
4832 set_bit (FLAG_RADIO_OFF, &ai->flags);
4834 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4837 /*** NodeName processing */
4838 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4842 memset( ai->config.nodeName, 0, 16 );
4843 /* Do the name, assume a space between the mode and node name */
4844 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4845 ai->config.nodeName[j] = line[j];
4847 set_bit (FLAG_COMMIT, &ai->flags);
4850 /*** PowerMode processing */
4851 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4853 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4854 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4855 set_bit (FLAG_COMMIT, &ai->flags);
4856 } else if ( !strncmp( line, "PSP", 3 ) ) {
4857 ai->config.powerSaveMode = POWERSAVE_PSP;
4858 set_bit (FLAG_COMMIT, &ai->flags);
4860 ai->config.powerSaveMode = POWERSAVE_CAM;
4861 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4864 int v, i = 0, k = 0; /* i is index into line,
4865 k is index to rates */
4868 while((v = get_dec_u16(line, &i, 3))!=-1) {
4869 ai->config.rates[k++] = (u8)v;
4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4877 v = get_dec_u16(line, &i, i+3);
4879 ai->config.channelSet = cpu_to_le16(v);
4880 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4885 v = get_dec_u16(line, &i, i+3);
4887 ai->config.txPower = cpu_to_le16(v);
4888 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4894 ai->config.authType = AUTH_SHAREDKEY;
4897 ai->config.authType = AUTH_ENCRYPT;
4900 ai->config.authType = AUTH_OPEN;
4903 set_bit (FLAG_COMMIT, &ai->flags);
4904 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4908 v = get_dec_u16(line, &i, 3);
4909 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4910 ai->config.longRetryLimit = cpu_to_le16(v);
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4916 v = get_dec_u16(line, &i, 3);
4917 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4918 ai->config.shortRetryLimit = cpu_to_le16(v);
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4924 v = get_dec_u16(line, &i, 4);
4925 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4926 ai->config.rtsThres = cpu_to_le16(v);
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4932 v = get_dec_u16(line, &i, 5);
4934 ai->config.txLifetime = cpu_to_le16(v);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4940 v = get_dec_u16(line, &i, 5);
4942 ai->config.rxLifetime = cpu_to_le16(v);
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4945 ai->config.txDiversity =
4946 (line[13]=='l') ? 1 :
4947 ((line[13]=='r')? 2: 3);
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4950 ai->config.rxDiversity =
4951 (line[13]=='l') ? 1 :
4952 ((line[13]=='r')? 2: 3);
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4958 v = get_dec_u16(line, &i, 4);
4959 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4960 v = v & 0xfffe; /* Make sure its even */
4961 ai->config.fragThresh = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if (!strncmp(line, "Modulation: ", 12)) {
4966 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4967 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4968 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4969 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4971 } else if (!strncmp(line, "Preamble: ", 10)) {
4974 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4976 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4977 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4980 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4982 while( line[0] && line[0] != '\n' ) line++;
4983 if ( line[0] ) line++;
4985 airo_config_commit(dev, NULL, NULL, NULL);
4988 static char *get_rmode(__le16 mode)
4990 switch(mode & RXMODE_MASK) {
4991 case RXMODE_RFMON: return "rfmon";
4992 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4993 case RXMODE_LANMON: return "lanmon";
4998 static int proc_config_open(struct inode *inode, struct file *file)
5000 struct proc_data *data;
5001 struct proc_dir_entry *dp = PDE(inode);
5002 struct net_device *dev = dp->data;
5003 struct airo_info *ai = dev->ml_priv;
5007 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5009 data = (struct proc_data *)file->private_data;
5010 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5011 kfree (file->private_data);
5014 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5015 kfree (data->rbuffer);
5016 kfree (file->private_data);
5019 data->maxwritelen = 2048;
5020 data->on_close = proc_config_on_close;
5022 readConfigRid(ai, 1);
5024 mode = ai->config.opmode & MODE_CFG_MASK;
5025 i = sprintf( data->rbuffer,
5030 "DataRates: %d %d %d %d %d %d %d %d\n"
5033 mode == MODE_STA_IBSS ? "adhoc" :
5034 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5035 mode == MODE_AP ? "AP" :
5036 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5037 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5038 ai->config.nodeName,
5039 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5040 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5041 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5043 (int)ai->config.rates[0],
5044 (int)ai->config.rates[1],
5045 (int)ai->config.rates[2],
5046 (int)ai->config.rates[3],
5047 (int)ai->config.rates[4],
5048 (int)ai->config.rates[5],
5049 (int)ai->config.rates[6],
5050 (int)ai->config.rates[7],
5051 le16_to_cpu(ai->config.channelSet),
5052 le16_to_cpu(ai->config.txPower)
5054 sprintf( data->rbuffer + i,
5055 "LongRetryLimit: %d\n"
5056 "ShortRetryLimit: %d\n"
5057 "RTSThreshold: %d\n"
5058 "TXMSDULifetime: %d\n"
5059 "RXMSDULifetime: %d\n"
5062 "FragThreshold: %d\n"
5066 le16_to_cpu(ai->config.longRetryLimit),
5067 le16_to_cpu(ai->config.shortRetryLimit),
5068 le16_to_cpu(ai->config.rtsThres),
5069 le16_to_cpu(ai->config.txLifetime),
5070 le16_to_cpu(ai->config.rxLifetime),
5071 ai->config.txDiversity == 1 ? "left" :
5072 ai->config.txDiversity == 2 ? "right" : "both",
5073 ai->config.rxDiversity == 1 ? "left" :
5074 ai->config.rxDiversity == 2 ? "right" : "both",
5075 le16_to_cpu(ai->config.fragThresh),
5076 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5077 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5078 ai->config.modulation == MOD_DEFAULT ? "default" :
5079 ai->config.modulation == MOD_CCK ? "cck" :
5080 ai->config.modulation == MOD_MOK ? "mok" : "error",
5081 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5082 ai->config.preamble == PREAMBLE_LONG ? "long" :
5083 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5085 data->readlen = strlen( data->rbuffer );
5089 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5091 struct proc_data *data = (struct proc_data *)file->private_data;
5092 struct proc_dir_entry *dp = PDE(inode);
5093 struct net_device *dev = dp->data;
5094 struct airo_info *ai = dev->ml_priv;
5097 char *p = data->wbuffer;
5098 char *end = p + data->writelen;
5100 if (!data->writelen)
5103 *end = '\n'; /* sentinel; we have space for it */
5105 memset(&SSID_rid, 0, sizeof(SSID_rid));
5107 for (i = 0; i < 3 && p < end; i++) {
5109 /* copy up to 32 characters from this line */
5110 while (*p != '\n' && j < 32)
5111 SSID_rid.ssids[i].ssid[j++] = *p++;
5114 SSID_rid.ssids[i].len = cpu_to_le16(j);
5115 /* skip to the beginning of the next line */
5116 while (*p++ != '\n')
5120 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5122 writeSsidRid(ai, &SSID_rid, 1);
5126 static inline u8 hexVal(char c) {
5127 if (c>='0' && c<='9') return c -= '0';
5128 if (c>='a' && c<='f') return c -= 'a'-10;
5129 if (c>='A' && c<='F') return c -= 'A'-10;
5133 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5134 struct proc_data *data = (struct proc_data *)file->private_data;
5135 struct proc_dir_entry *dp = PDE(inode);
5136 struct net_device *dev = dp->data;
5137 struct airo_info *ai = dev->ml_priv;
5138 APListRid APList_rid;
5141 if ( !data->writelen ) return;
5143 memset( &APList_rid, 0, sizeof(APList_rid) );
5144 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5146 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5148 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5151 APList_rid.ap[i][j/3]=
5152 hexVal(data->wbuffer[j+i*6*3])<<4;
5155 APList_rid.ap[i][j/3]|=
5156 hexVal(data->wbuffer[j+i*6*3]);
5162 writeAPListRid(ai, &APList_rid, 1);
5166 /* This function wraps PC4500_writerid with a MAC disable */
5167 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5168 int len, int dummy ) {
5172 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5177 /* Returns the WEP key at the specified index, or -1 if that key does
5178 * not exist. The buffer is assumed to be at least 16 bytes in length.
5180 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5186 rc = readWepKeyRid(ai, &wkr, 1, 1);
5190 lastindex = wkr.kindex;
5191 if (le16_to_cpu(wkr.kindex) == index) {
5192 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5193 memcpy(buf, wkr.key, klen);
5196 rc = readWepKeyRid(ai, &wkr, 0, 1);
5199 } while (lastindex != wkr.kindex);
5203 static int get_wep_tx_idx(struct airo_info *ai)
5209 rc = readWepKeyRid(ai, &wkr, 1, 1);
5213 lastindex = wkr.kindex;
5214 if (wkr.kindex == cpu_to_le16(0xffff))
5216 rc = readWepKeyRid(ai, &wkr, 0, 1);
5219 } while (lastindex != wkr.kindex);
5223 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5224 u16 keylen, int perm, int lock)
5226 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5231 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5236 memset(&wkr, 0, sizeof(wkr));
5237 wkr.len = cpu_to_le16(sizeof(wkr));
5238 wkr.kindex = cpu_to_le16(index);
5239 wkr.klen = cpu_to_le16(keylen);
5240 memcpy(wkr.key, key, keylen);
5241 memcpy(wkr.mac, macaddr, ETH_ALEN);
5243 if (perm) disable_MAC(ai, lock);
5244 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5245 if (perm) enable_MAC(ai, lock);
5249 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5254 memset(&wkr, 0, sizeof(wkr));
5255 wkr.len = cpu_to_le16(sizeof(wkr));
5256 wkr.kindex = cpu_to_le16(0xffff);
5257 wkr.mac[0] = (char)index;
5260 ai->defindex = (char)index;
5261 disable_MAC(ai, lock);
5264 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5267 enable_MAC(ai, lock);
5271 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5272 struct proc_data *data;
5273 struct proc_dir_entry *dp = PDE(inode);
5274 struct net_device *dev = dp->data;
5275 struct airo_info *ai = dev->ml_priv;
5281 memset(key, 0, sizeof(key));
5283 data = (struct proc_data *)file->private_data;
5284 if ( !data->writelen ) return;
5286 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5287 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5288 index = data->wbuffer[0] - '0';
5289 if (data->wbuffer[1] == '\n') {
5290 rc = set_wep_tx_idx(ai, index, 1, 1);
5292 airo_print_err(ai->dev->name, "failed to set "
5293 "WEP transmit index to %d: %d.",
5300 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5304 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5307 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5310 key[i/3] |= hexVal(data->wbuffer[i+j]);
5315 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5317 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5318 "%d: %d.", index, rc);
5322 static int proc_wepkey_open( struct inode *inode, struct file *file )
5324 struct proc_data *data;
5325 struct proc_dir_entry *dp = PDE(inode);
5326 struct net_device *dev = dp->data;
5327 struct airo_info *ai = dev->ml_priv;
5334 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5336 memset(&wkr, 0, sizeof(wkr));
5337 data = (struct proc_data *)file->private_data;
5338 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5339 kfree (file->private_data);
5343 data->maxwritelen = 80;
5344 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5345 kfree (data->rbuffer);
5346 kfree (file->private_data);
5349 data->on_close = proc_wepkey_on_close;
5351 ptr = data->rbuffer;
5352 strcpy(ptr, "No wep keys\n");
5353 rc = readWepKeyRid(ai, &wkr, 1, 1);
5354 if (rc == SUCCESS) do {
5355 lastindex = wkr.kindex;
5356 if (wkr.kindex == cpu_to_le16(0xffff)) {
5357 j += sprintf(ptr+j, "Tx key = %d\n",
5360 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5361 le16_to_cpu(wkr.kindex),
5362 le16_to_cpu(wkr.klen));
5364 readWepKeyRid(ai, &wkr, 0, 1);
5365 } while((lastindex != wkr.kindex) && (j < 180-30));
5367 data->readlen = strlen( data->rbuffer );
5371 static int proc_SSID_open(struct inode *inode, struct file *file)
5373 struct proc_data *data;
5374 struct proc_dir_entry *dp = PDE(inode);
5375 struct net_device *dev = dp->data;
5376 struct airo_info *ai = dev->ml_priv;
5381 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5383 data = (struct proc_data *)file->private_data;
5384 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5385 kfree (file->private_data);
5389 data->maxwritelen = 33*3;
5390 /* allocate maxwritelen + 1; we'll want a sentinel */
5391 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5392 kfree (data->rbuffer);
5393 kfree (file->private_data);
5396 data->on_close = proc_SSID_on_close;
5398 readSsidRid(ai, &SSID_rid);
5399 ptr = data->rbuffer;
5400 for (i = 0; i < 3; i++) {
5402 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5407 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5408 *ptr++ = SSID_rid.ssids[i].ssid[j];
5412 data->readlen = strlen( data->rbuffer );
5416 static int proc_APList_open( struct inode *inode, struct file *file ) {
5417 struct proc_data *data;
5418 struct proc_dir_entry *dp = PDE(inode);
5419 struct net_device *dev = dp->data;
5420 struct airo_info *ai = dev->ml_priv;
5423 APListRid APList_rid;
5425 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5427 data = (struct proc_data *)file->private_data;
5428 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5429 kfree (file->private_data);
5433 data->maxwritelen = 4*6*3;
5434 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5435 kfree (data->rbuffer);
5436 kfree (file->private_data);
5439 data->on_close = proc_APList_on_close;
5441 readAPListRid(ai, &APList_rid);
5442 ptr = data->rbuffer;
5443 for( i = 0; i < 4; i++ ) {
5444 // We end when we find a zero MAC
5445 if ( !*(int*)APList_rid.ap[i] &&
5446 !*(int*)&APList_rid.ap[i][2]) break;
5447 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5449 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5452 data->readlen = strlen( data->rbuffer );
5456 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5457 struct proc_data *data;
5458 struct proc_dir_entry *dp = PDE(inode);
5459 struct net_device *dev = dp->data;
5460 struct airo_info *ai = dev->ml_priv;
5462 BSSListRid BSSList_rid;
5464 /* If doLoseSync is not 1, we won't do a Lose Sync */
5465 int doLoseSync = -1;
5467 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5469 data = (struct proc_data *)file->private_data;
5470 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5471 kfree (file->private_data);
5475 data->maxwritelen = 0;
5476 data->wbuffer = NULL;
5477 data->on_close = NULL;
5479 if (file->f_mode & FMODE_WRITE) {
5480 if (!(file->f_mode & FMODE_READ)) {
5484 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5485 memset(&cmd, 0, sizeof(cmd));
5486 cmd.cmd=CMD_LISTBSS;
5487 if (down_interruptible(&ai->sem))
5488 return -ERESTARTSYS;
5489 issuecommand(ai, &cmd, &rsp);
5496 ptr = data->rbuffer;
5497 /* There is a race condition here if there are concurrent opens.
5498 Since it is a rare condition, we'll just live with it, otherwise
5499 we have to add a spin lock... */
5500 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5501 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5502 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5504 (int)BSSList_rid.ssidLen,
5506 le16_to_cpu(BSSList_rid.dBm));
5507 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5508 le16_to_cpu(BSSList_rid.dsChannel),
5509 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5510 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5511 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5512 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5513 rc = readBSSListRid(ai, 0, &BSSList_rid);
5516 data->readlen = strlen( data->rbuffer );
5520 static int proc_close( struct inode *inode, struct file *file )
5522 struct proc_data *data = file->private_data;
5524 if (data->on_close != NULL)
5525 data->on_close(inode, file);
5526 kfree(data->rbuffer);
5527 kfree(data->wbuffer);
5532 /* Since the card doesn't automatically switch to the right WEP mode,
5533 we will make it do it. If the card isn't associated, every secs we
5534 will switch WEP modes to see if that will help. If the card is
5535 associated we will check every minute to see if anything has
5537 static void timer_func( struct net_device *dev ) {
5538 struct airo_info *apriv = dev->ml_priv;
5540 /* We don't have a link so try changing the authtype */
5541 readConfigRid(apriv, 0);
5542 disable_MAC(apriv, 0);
5543 switch(apriv->config.authType) {
5545 /* So drop to OPEN */
5546 apriv->config.authType = AUTH_OPEN;
5548 case AUTH_SHAREDKEY:
5549 if (apriv->keyindex < auto_wep) {
5550 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5551 apriv->config.authType = AUTH_SHAREDKEY;
5554 /* Drop to ENCRYPT */
5555 apriv->keyindex = 0;
5556 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5557 apriv->config.authType = AUTH_ENCRYPT;
5560 default: /* We'll escalate to SHAREDKEY */
5561 apriv->config.authType = AUTH_SHAREDKEY;
5563 set_bit (FLAG_COMMIT, &apriv->flags);
5564 writeConfigRid(apriv, 0);
5565 enable_MAC(apriv, 0);
5568 /* Schedule check to see if the change worked */
5569 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5570 apriv->expires = RUN_AT(HZ*3);
5574 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5575 const struct pci_device_id *pent)
5577 struct net_device *dev;
5579 if (pci_enable_device(pdev))
5581 pci_set_master(pdev);
5583 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5584 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5586 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5588 pci_disable_device(pdev);
5592 pci_set_drvdata(pdev, dev);
5596 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5598 struct net_device *dev = pci_get_drvdata(pdev);
5600 airo_print_info(dev->name, "Unregistering...");
5601 stop_airo_card(dev, 1);
5602 pci_disable_device(pdev);
5603 pci_set_drvdata(pdev, NULL);
5606 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5608 struct net_device *dev = pci_get_drvdata(pdev);
5609 struct airo_info *ai = dev->ml_priv;
5614 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5618 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5621 readAPListRid(ai, ai->APList);
5622 readSsidRid(ai, ai->SSID);
5623 memset(&cmd, 0, sizeof(cmd));
5624 /* the lock will be released at the end of the resume callback */
5625 if (down_interruptible(&ai->sem))
5628 netif_device_detach(dev);
5630 cmd.cmd = HOSTSLEEP;
5631 issuecommand(ai, &cmd, &rsp);
5633 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5634 pci_save_state(pdev);
5635 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5638 static int airo_pci_resume(struct pci_dev *pdev)
5640 struct net_device *dev = pci_get_drvdata(pdev);
5641 struct airo_info *ai = dev->ml_priv;
5642 pci_power_t prev_state = pdev->current_state;
5644 pci_set_power_state(pdev, PCI_D0);
5645 pci_restore_state(pdev);
5646 pci_enable_wake(pdev, PCI_D0, 0);
5648 if (prev_state != PCI_D1) {
5650 mpi_init_descriptors(ai);
5651 setup_card(ai, dev->dev_addr, 0);
5652 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5653 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5655 OUT4500(ai, EVACK, EV_AWAKEN);
5656 OUT4500(ai, EVACK, EV_AWAKEN);
5660 set_bit(FLAG_COMMIT, &ai->flags);
5664 writeSsidRid(ai, ai->SSID, 0);
5669 writeAPListRid(ai, ai->APList, 0);
5673 writeConfigRid(ai, 0);
5675 ai->power = PMSG_ON;
5676 netif_device_attach(dev);
5677 netif_wake_queue(dev);
5678 enable_interrupts(ai);
5684 static int __init airo_init_module( void )
5688 airo_entry = create_proc_entry("driver/aironet",
5689 S_IFDIR | airo_perm,
5693 airo_entry->uid = proc_uid;
5694 airo_entry->gid = proc_gid;
5697 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5698 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5699 "io=0x%x", irq[i], io[i] );
5700 if (init_airo_card( irq[i], io[i], 0, NULL ))
5705 airo_print_info("", "Probing for PCI adapters");
5706 i = pci_register_driver(&airo_driver);
5707 airo_print_info("", "Finished probing for PCI adapters");
5710 remove_proc_entry("driver/aironet", NULL);
5715 /* Always exit with success, as we are a library module
5716 * as well as a driver module
5721 static void __exit airo_cleanup_module( void )
5723 struct airo_info *ai;
5724 while(!list_empty(&airo_devices)) {
5725 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5726 airo_print_info(ai->dev->name, "Unregistering...");
5727 stop_airo_card(ai->dev, 1);
5730 pci_unregister_driver(&airo_driver);
5732 remove_proc_entry("driver/aironet", NULL);
5736 * Initial Wireless Extension code for Aironet driver by :
5737 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5738 * Conversion to new driver API by :
5739 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5740 * Javier also did a good amount of work here, adding some new extensions
5741 * and fixing my code. Let's just say that without him this code just
5742 * would not work at all... - Jean II
5745 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5750 return (0x100 - rssi_rid[rssi].rssidBm);
5753 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5760 for (i = 0; i < 256; i++)
5761 if (rssi_rid[i].rssidBm == dbm)
5762 return rssi_rid[i].rssipct;
5768 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5773 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5776 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5779 sq = le16_to_cpu(status_rid->signalQuality);
5780 if (memcmp(cap_rid->prodName, "350", 3))
5784 quality = 0x20 - sq;
5791 quality = 0xb0 - sq;
5795 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5796 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5798 /*------------------------------------------------------------------*/
5800 * Wireless Handler : get protocol name
5802 static int airo_get_name(struct net_device *dev,
5803 struct iw_request_info *info,
5807 strcpy(cwrq, "IEEE 802.11-DS");
5811 /*------------------------------------------------------------------*/
5813 * Wireless Handler : set frequency
5815 static int airo_set_freq(struct net_device *dev,
5816 struct iw_request_info *info,
5817 struct iw_freq *fwrq,
5820 struct airo_info *local = dev->ml_priv;
5821 int rc = -EINPROGRESS; /* Call commit handler */
5823 /* If setting by frequency, convert to a channel */
5825 int f = fwrq->m / 100000;
5827 /* Hack to fall through... */
5829 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5831 /* Setting by channel number */
5832 if((fwrq->m > 1000) || (fwrq->e > 0))
5835 int channel = fwrq->m;
5836 /* We should do a better check than that,
5837 * based on the card capability !!! */
5838 if((channel < 1) || (channel > 14)) {
5839 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5843 readConfigRid(local, 1);
5844 /* Yes ! We can set it !!! */
5845 local->config.channelSet = cpu_to_le16(channel);
5846 set_bit (FLAG_COMMIT, &local->flags);
5852 /*------------------------------------------------------------------*/
5854 * Wireless Handler : get frequency
5856 static int airo_get_freq(struct net_device *dev,
5857 struct iw_request_info *info,
5858 struct iw_freq *fwrq,
5861 struct airo_info *local = dev->ml_priv;
5862 StatusRid status_rid; /* Card status info */
5865 readConfigRid(local, 1);
5866 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5867 status_rid.channel = local->config.channelSet;
5869 readStatusRid(local, &status_rid, 1);
5871 ch = le16_to_cpu(status_rid.channel);
5872 if((ch > 0) && (ch < 15)) {
5873 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5883 /*------------------------------------------------------------------*/
5885 * Wireless Handler : set ESSID
5887 static int airo_set_essid(struct net_device *dev,
5888 struct iw_request_info *info,
5889 struct iw_point *dwrq,
5892 struct airo_info *local = dev->ml_priv;
5893 SsidRid SSID_rid; /* SSIDs */
5895 /* Reload the list of current SSID */
5896 readSsidRid(local, &SSID_rid);
5898 /* Check if we asked for `any' */
5899 if(dwrq->flags == 0) {
5900 /* Just send an empty SSID list */
5901 memset(&SSID_rid, 0, sizeof(SSID_rid));
5903 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5905 /* Check the size of the string */
5906 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5909 /* Check if index is valid */
5910 if((index < 0) || (index >= 4)) {
5915 memset(SSID_rid.ssids[index].ssid, 0,
5916 sizeof(SSID_rid.ssids[index].ssid));
5917 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5918 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5920 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5921 /* Write it to the card */
5922 disable_MAC(local, 1);
5923 writeSsidRid(local, &SSID_rid, 1);
5924 enable_MAC(local, 1);
5929 /*------------------------------------------------------------------*/
5931 * Wireless Handler : get ESSID
5933 static int airo_get_essid(struct net_device *dev,
5934 struct iw_request_info *info,
5935 struct iw_point *dwrq,
5938 struct airo_info *local = dev->ml_priv;
5939 StatusRid status_rid; /* Card status info */
5941 readStatusRid(local, &status_rid, 1);
5943 /* Note : if dwrq->flags != 0, we should
5944 * get the relevant SSID from the SSID list... */
5946 /* Get the current SSID */
5947 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5948 /* If none, we may want to get the one that was set */
5951 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5952 dwrq->flags = 1; /* active */
5957 /*------------------------------------------------------------------*/
5959 * Wireless Handler : set AP address
5961 static int airo_set_wap(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct sockaddr *awrq,
5966 struct airo_info *local = dev->ml_priv;
5969 APListRid APList_rid;
5970 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5971 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5973 if (awrq->sa_family != ARPHRD_ETHER)
5975 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5976 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5977 memset(&cmd, 0, sizeof(cmd));
5978 cmd.cmd=CMD_LOSE_SYNC;
5979 if (down_interruptible(&local->sem))
5980 return -ERESTARTSYS;
5981 issuecommand(local, &cmd, &rsp);
5984 memset(&APList_rid, 0, sizeof(APList_rid));
5985 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5986 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5987 disable_MAC(local, 1);
5988 writeAPListRid(local, &APList_rid, 1);
5989 enable_MAC(local, 1);
5994 /*------------------------------------------------------------------*/
5996 * Wireless Handler : get AP address
5998 static int airo_get_wap(struct net_device *dev,
5999 struct iw_request_info *info,
6000 struct sockaddr *awrq,
6003 struct airo_info *local = dev->ml_priv;
6004 StatusRid status_rid; /* Card status info */
6006 readStatusRid(local, &status_rid, 1);
6008 /* Tentative. This seems to work, wow, I'm lucky !!! */
6009 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6010 awrq->sa_family = ARPHRD_ETHER;
6015 /*------------------------------------------------------------------*/
6017 * Wireless Handler : set Nickname
6019 static int airo_set_nick(struct net_device *dev,
6020 struct iw_request_info *info,
6021 struct iw_point *dwrq,
6024 struct airo_info *local = dev->ml_priv;
6026 /* Check the size of the string */
6027 if(dwrq->length > 16) {
6030 readConfigRid(local, 1);
6031 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6032 memcpy(local->config.nodeName, extra, dwrq->length);
6033 set_bit (FLAG_COMMIT, &local->flags);
6035 return -EINPROGRESS; /* Call commit handler */
6038 /*------------------------------------------------------------------*/
6040 * Wireless Handler : get Nickname
6042 static int airo_get_nick(struct net_device *dev,
6043 struct iw_request_info *info,
6044 struct iw_point *dwrq,
6047 struct airo_info *local = dev->ml_priv;
6049 readConfigRid(local, 1);
6050 strncpy(extra, local->config.nodeName, 16);
6052 dwrq->length = strlen(extra);
6057 /*------------------------------------------------------------------*/
6059 * Wireless Handler : set Bit-Rate
6061 static int airo_set_rate(struct net_device *dev,
6062 struct iw_request_info *info,
6063 struct iw_param *vwrq,
6066 struct airo_info *local = dev->ml_priv;
6067 CapabilityRid cap_rid; /* Card capability info */
6071 /* First : get a valid bit rate value */
6072 readCapabilityRid(local, &cap_rid, 1);
6074 /* Which type of value ? */
6075 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6076 /* Setting by rate index */
6077 /* Find value in the magic rate table */
6078 brate = cap_rid.supportedRates[vwrq->value];
6080 /* Setting by frequency value */
6081 u8 normvalue = (u8) (vwrq->value/500000);
6083 /* Check if rate is valid */
6084 for(i = 0 ; i < 8 ; i++) {
6085 if(normvalue == cap_rid.supportedRates[i]) {
6091 /* -1 designed the max rate (mostly auto mode) */
6092 if(vwrq->value == -1) {
6093 /* Get the highest available rate */
6094 for(i = 0 ; i < 8 ; i++) {
6095 if(cap_rid.supportedRates[i] == 0)
6099 brate = cap_rid.supportedRates[i - 1];
6101 /* Check that it is valid */
6106 readConfigRid(local, 1);
6107 /* Now, check if we want a fixed or auto value */
6108 if(vwrq->fixed == 0) {
6109 /* Fill all the rates up to this max rate */
6110 memset(local->config.rates, 0, 8);
6111 for(i = 0 ; i < 8 ; i++) {
6112 local->config.rates[i] = cap_rid.supportedRates[i];
6113 if(local->config.rates[i] == brate)
6118 /* One rate, fixed */
6119 memset(local->config.rates, 0, 8);
6120 local->config.rates[0] = brate;
6122 set_bit (FLAG_COMMIT, &local->flags);
6124 return -EINPROGRESS; /* Call commit handler */
6127 /*------------------------------------------------------------------*/
6129 * Wireless Handler : get Bit-Rate
6131 static int airo_get_rate(struct net_device *dev,
6132 struct iw_request_info *info,
6133 struct iw_param *vwrq,
6136 struct airo_info *local = dev->ml_priv;
6137 StatusRid status_rid; /* Card status info */
6139 readStatusRid(local, &status_rid, 1);
6141 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6142 /* If more than one rate, set auto */
6143 readConfigRid(local, 1);
6144 vwrq->fixed = (local->config.rates[1] == 0);
6149 /*------------------------------------------------------------------*/
6151 * Wireless Handler : set RTS threshold
6153 static int airo_set_rts(struct net_device *dev,
6154 struct iw_request_info *info,
6155 struct iw_param *vwrq,
6158 struct airo_info *local = dev->ml_priv;
6159 int rthr = vwrq->value;
6162 rthr = AIRO_DEF_MTU;
6163 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6166 readConfigRid(local, 1);
6167 local->config.rtsThres = cpu_to_le16(rthr);
6168 set_bit (FLAG_COMMIT, &local->flags);
6170 return -EINPROGRESS; /* Call commit handler */
6173 /*------------------------------------------------------------------*/
6175 * Wireless Handler : get RTS threshold
6177 static int airo_get_rts(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_param *vwrq,
6182 struct airo_info *local = dev->ml_priv;
6184 readConfigRid(local, 1);
6185 vwrq->value = le16_to_cpu(local->config.rtsThres);
6186 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6192 /*------------------------------------------------------------------*/
6194 * Wireless Handler : set Fragmentation threshold
6196 static int airo_set_frag(struct net_device *dev,
6197 struct iw_request_info *info,
6198 struct iw_param *vwrq,
6201 struct airo_info *local = dev->ml_priv;
6202 int fthr = vwrq->value;
6205 fthr = AIRO_DEF_MTU;
6206 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6209 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6210 readConfigRid(local, 1);
6211 local->config.fragThresh = cpu_to_le16(fthr);
6212 set_bit (FLAG_COMMIT, &local->flags);
6214 return -EINPROGRESS; /* Call commit handler */
6217 /*------------------------------------------------------------------*/
6219 * Wireless Handler : get Fragmentation threshold
6221 static int airo_get_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6226 struct airo_info *local = dev->ml_priv;
6228 readConfigRid(local, 1);
6229 vwrq->value = le16_to_cpu(local->config.fragThresh);
6230 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6236 /*------------------------------------------------------------------*/
6238 * Wireless Handler : set Mode of Operation
6240 static int airo_set_mode(struct net_device *dev,
6241 struct iw_request_info *info,
6245 struct airo_info *local = dev->ml_priv;
6248 readConfigRid(local, 1);
6249 if (sniffing_mode(local))
6254 local->config.opmode &= ~MODE_CFG_MASK;
6255 local->config.opmode |= MODE_STA_IBSS;
6256 local->config.rmode &= ~RXMODE_FULL_MASK;
6257 local->config.scanMode = SCANMODE_ACTIVE;
6258 clear_bit (FLAG_802_11, &local->flags);
6261 local->config.opmode &= ~MODE_CFG_MASK;
6262 local->config.opmode |= MODE_STA_ESS;
6263 local->config.rmode &= ~RXMODE_FULL_MASK;
6264 local->config.scanMode = SCANMODE_ACTIVE;
6265 clear_bit (FLAG_802_11, &local->flags);
6267 case IW_MODE_MASTER:
6268 local->config.opmode &= ~MODE_CFG_MASK;
6269 local->config.opmode |= MODE_AP;
6270 local->config.rmode &= ~RXMODE_FULL_MASK;
6271 local->config.scanMode = SCANMODE_ACTIVE;
6272 clear_bit (FLAG_802_11, &local->flags);
6274 case IW_MODE_REPEAT:
6275 local->config.opmode &= ~MODE_CFG_MASK;
6276 local->config.opmode |= MODE_AP_RPTR;
6277 local->config.rmode &= ~RXMODE_FULL_MASK;
6278 local->config.scanMode = SCANMODE_ACTIVE;
6279 clear_bit (FLAG_802_11, &local->flags);
6281 case IW_MODE_MONITOR:
6282 local->config.opmode &= ~MODE_CFG_MASK;
6283 local->config.opmode |= MODE_STA_ESS;
6284 local->config.rmode &= ~RXMODE_FULL_MASK;
6285 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6286 local->config.scanMode = SCANMODE_PASSIVE;
6287 set_bit (FLAG_802_11, &local->flags);
6293 set_bit (FLAG_RESET, &local->flags);
6294 set_bit (FLAG_COMMIT, &local->flags);
6296 return -EINPROGRESS; /* Call commit handler */
6299 /*------------------------------------------------------------------*/
6301 * Wireless Handler : get Mode of Operation
6303 static int airo_get_mode(struct net_device *dev,
6304 struct iw_request_info *info,
6308 struct airo_info *local = dev->ml_priv;
6310 readConfigRid(local, 1);
6311 /* If not managed, assume it's ad-hoc */
6312 switch (local->config.opmode & MODE_CFG_MASK) {
6314 *uwrq = IW_MODE_INFRA;
6317 *uwrq = IW_MODE_MASTER;
6320 *uwrq = IW_MODE_REPEAT;
6323 *uwrq = IW_MODE_ADHOC;
6329 static inline int valid_index(struct airo_info *ai, int index)
6331 return (index >= 0) && (index <= ai->max_wep_idx);
6334 /*------------------------------------------------------------------*/
6336 * Wireless Handler : set Encryption Key
6338 static int airo_set_encode(struct net_device *dev,
6339 struct iw_request_info *info,
6340 struct iw_point *dwrq,
6343 struct airo_info *local = dev->ml_priv;
6344 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6345 __le16 currentAuthType = local->config.authType;
6348 if (!local->wep_capable)
6351 readConfigRid(local, 1);
6353 /* Basic checking: do we have a key to set ?
6354 * Note : with the new API, it's impossible to get a NULL pointer.
6355 * Therefore, we need to check a key size == 0 instead.
6356 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6357 * when no key is present (only change flags), but older versions
6358 * don't do it. - Jean II */
6359 if (dwrq->length > 0) {
6361 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6364 /* Check the size of the key */
6365 if (dwrq->length > MAX_KEY_SIZE) {
6369 current_index = get_wep_tx_idx(local);
6370 if (current_index < 0)
6373 /* Check the index (none -> use current) */
6374 if (!valid_index(local, index))
6375 index = current_index;
6377 /* Set the length */
6378 if (dwrq->length > MIN_KEY_SIZE)
6379 key.len = MAX_KEY_SIZE;
6381 if (dwrq->length > 0)
6382 key.len = MIN_KEY_SIZE;
6384 /* Disable the key */
6386 /* Check if the key is not marked as invalid */
6387 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6389 memset(key.key, 0, MAX_KEY_SIZE);
6390 /* Copy the key in the driver */
6391 memcpy(key.key, extra, dwrq->length);
6392 /* Send the key to the card */
6393 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6395 airo_print_err(local->dev->name, "failed to set"
6396 " WEP key at index %d: %d.",
6401 /* WE specify that if a valid key is set, encryption
6402 * should be enabled (user may turn it off later)
6403 * This is also how "iwconfig ethX key on" works */
6404 if((index == current_index) && (key.len > 0) &&
6405 (local->config.authType == AUTH_OPEN)) {
6406 local->config.authType = AUTH_ENCRYPT;
6409 /* Do we want to just set the transmit key index ? */
6410 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6411 if (valid_index(local, index)) {
6412 rc = set_wep_tx_idx(local, index, perm, 1);
6414 airo_print_err(local->dev->name, "failed to set"
6415 " WEP transmit index to %d: %d.",
6420 /* Don't complain if only change the mode */
6421 if (!(dwrq->flags & IW_ENCODE_MODE))
6425 /* Read the flags */
6426 if(dwrq->flags & IW_ENCODE_DISABLED)
6427 local->config.authType = AUTH_OPEN; // disable encryption
6428 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6429 local->config.authType = AUTH_SHAREDKEY; // Only Both
6430 if(dwrq->flags & IW_ENCODE_OPEN)
6431 local->config.authType = AUTH_ENCRYPT; // Only Wep
6432 /* Commit the changes to flags if needed */
6433 if (local->config.authType != currentAuthType)
6434 set_bit (FLAG_COMMIT, &local->flags);
6435 return -EINPROGRESS; /* Call commit handler */
6438 /*------------------------------------------------------------------*/
6440 * Wireless Handler : get Encryption Key
6442 static int airo_get_encode(struct net_device *dev,
6443 struct iw_request_info *info,
6444 struct iw_point *dwrq,
6447 struct airo_info *local = dev->ml_priv;
6448 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6451 if (!local->wep_capable)
6454 readConfigRid(local, 1);
6456 /* Check encryption mode */
6457 switch(local->config.authType) {
6459 dwrq->flags = IW_ENCODE_OPEN;
6461 case AUTH_SHAREDKEY:
6462 dwrq->flags = IW_ENCODE_RESTRICTED;
6466 dwrq->flags = IW_ENCODE_DISABLED;
6469 /* We can't return the key, so set the proper flag and return zero */
6470 dwrq->flags |= IW_ENCODE_NOKEY;
6471 memset(extra, 0, 16);
6473 /* Which key do we want ? -1 -> tx index */
6474 if (!valid_index(local, index)) {
6475 index = get_wep_tx_idx(local);
6479 dwrq->flags |= index + 1;
6481 /* Copy the key to the user buffer */
6482 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6483 memcpy(extra, buf, dwrq->length);
6488 /*------------------------------------------------------------------*/
6490 * Wireless Handler : set extended Encryption parameters
6492 static int airo_set_encodeext(struct net_device *dev,
6493 struct iw_request_info *info,
6494 union iwreq_data *wrqu,
6497 struct airo_info *local = dev->ml_priv;
6498 struct iw_point *encoding = &wrqu->encoding;
6499 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6500 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6501 __le16 currentAuthType = local->config.authType;
6502 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6505 if (!local->wep_capable)
6508 readConfigRid(local, 1);
6510 /* Determine and validate the key index */
6511 idx = encoding->flags & IW_ENCODE_INDEX;
6513 if (!valid_index(local, idx - 1))
6517 idx = get_wep_tx_idx(local);
6522 if (encoding->flags & IW_ENCODE_DISABLED)
6523 alg = IW_ENCODE_ALG_NONE;
6525 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6526 /* Only set transmit key index here, actual
6527 * key is set below if needed.
6529 rc = set_wep_tx_idx(local, idx, perm, 1);
6531 airo_print_err(local->dev->name, "failed to set "
6532 "WEP transmit index to %d: %d.",
6536 set_key = ext->key_len > 0 ? 1 : 0;
6540 /* Set the requested key first */
6541 memset(key.key, 0, MAX_KEY_SIZE);
6543 case IW_ENCODE_ALG_NONE:
6546 case IW_ENCODE_ALG_WEP:
6547 if (ext->key_len > MIN_KEY_SIZE) {
6548 key.len = MAX_KEY_SIZE;
6549 } else if (ext->key_len > 0) {
6550 key.len = MIN_KEY_SIZE;
6554 key_len = min (ext->key_len, key.len);
6555 memcpy(key.key, ext->key, key_len);
6560 /* Send the key to the card */
6561 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6563 airo_print_err(local->dev->name, "failed to set WEP key"
6564 " at index %d: %d.", idx, rc);
6569 /* Read the flags */
6570 if(encoding->flags & IW_ENCODE_DISABLED)
6571 local->config.authType = AUTH_OPEN; // disable encryption
6572 if(encoding->flags & IW_ENCODE_RESTRICTED)
6573 local->config.authType = AUTH_SHAREDKEY; // Only Both
6574 if(encoding->flags & IW_ENCODE_OPEN)
6575 local->config.authType = AUTH_ENCRYPT; // Only Wep
6576 /* Commit the changes to flags if needed */
6577 if (local->config.authType != currentAuthType)
6578 set_bit (FLAG_COMMIT, &local->flags);
6580 return -EINPROGRESS;
6584 /*------------------------------------------------------------------*/
6586 * Wireless Handler : get extended Encryption parameters
6588 static int airo_get_encodeext(struct net_device *dev,
6589 struct iw_request_info *info,
6590 union iwreq_data *wrqu,
6593 struct airo_info *local = dev->ml_priv;
6594 struct iw_point *encoding = &wrqu->encoding;
6595 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6596 int idx, max_key_len;
6599 if (!local->wep_capable)
6602 readConfigRid(local, 1);
6604 max_key_len = encoding->length - sizeof(*ext);
6605 if (max_key_len < 0)
6608 idx = encoding->flags & IW_ENCODE_INDEX;
6610 if (!valid_index(local, idx - 1))
6614 idx = get_wep_tx_idx(local);
6619 encoding->flags = idx + 1;
6620 memset(ext, 0, sizeof(*ext));
6622 /* Check encryption mode */
6623 switch(local->config.authType) {
6625 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6627 case AUTH_SHAREDKEY:
6628 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6632 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6635 /* We can't return the key, so set the proper flag and return zero */
6636 encoding->flags |= IW_ENCODE_NOKEY;
6637 memset(extra, 0, 16);
6639 /* Copy the key to the user buffer */
6640 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6641 memcpy(extra, buf, ext->key_len);
6647 /*------------------------------------------------------------------*/
6649 * Wireless Handler : set extended authentication parameters
6651 static int airo_set_auth(struct net_device *dev,
6652 struct iw_request_info *info,
6653 union iwreq_data *wrqu, char *extra)
6655 struct airo_info *local = dev->ml_priv;
6656 struct iw_param *param = &wrqu->param;
6657 __le16 currentAuthType = local->config.authType;
6659 switch (param->flags & IW_AUTH_INDEX) {
6660 case IW_AUTH_WPA_VERSION:
6661 case IW_AUTH_CIPHER_PAIRWISE:
6662 case IW_AUTH_CIPHER_GROUP:
6663 case IW_AUTH_KEY_MGMT:
6664 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6665 case IW_AUTH_PRIVACY_INVOKED:
6667 * airo does not use these parameters
6671 case IW_AUTH_DROP_UNENCRYPTED:
6673 /* Only change auth type if unencrypted */
6674 if (currentAuthType == AUTH_OPEN)
6675 local->config.authType = AUTH_ENCRYPT;
6677 local->config.authType = AUTH_OPEN;
6680 /* Commit the changes to flags if needed */
6681 if (local->config.authType != currentAuthType)
6682 set_bit (FLAG_COMMIT, &local->flags);
6685 case IW_AUTH_80211_AUTH_ALG: {
6686 /* FIXME: What about AUTH_OPEN? This API seems to
6687 * disallow setting our auth to AUTH_OPEN.
6689 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6690 local->config.authType = AUTH_SHAREDKEY;
6691 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6692 local->config.authType = AUTH_ENCRYPT;
6697 /* Commit the changes to flags if needed */
6698 if (local->config.authType != currentAuthType)
6699 set_bit (FLAG_COMMIT, &local->flags);
6702 case IW_AUTH_WPA_ENABLED:
6703 /* Silently accept disable of WPA */
6704 if (param->value > 0)
6711 return -EINPROGRESS;
6715 /*------------------------------------------------------------------*/
6717 * Wireless Handler : get extended authentication parameters
6719 static int airo_get_auth(struct net_device *dev,
6720 struct iw_request_info *info,
6721 union iwreq_data *wrqu, char *extra)
6723 struct airo_info *local = dev->ml_priv;
6724 struct iw_param *param = &wrqu->param;
6725 __le16 currentAuthType = local->config.authType;
6727 switch (param->flags & IW_AUTH_INDEX) {
6728 case IW_AUTH_DROP_UNENCRYPTED:
6729 switch (currentAuthType) {
6730 case AUTH_SHAREDKEY:
6740 case IW_AUTH_80211_AUTH_ALG:
6741 switch (currentAuthType) {
6742 case AUTH_SHAREDKEY:
6743 param->value = IW_AUTH_ALG_SHARED_KEY;
6747 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6752 case IW_AUTH_WPA_ENABLED:
6763 /*------------------------------------------------------------------*/
6765 * Wireless Handler : set Tx-Power
6767 static int airo_set_txpow(struct net_device *dev,
6768 struct iw_request_info *info,
6769 struct iw_param *vwrq,
6772 struct airo_info *local = dev->ml_priv;
6773 CapabilityRid cap_rid; /* Card capability info */
6776 __le16 v = cpu_to_le16(vwrq->value);
6778 readCapabilityRid(local, &cap_rid, 1);
6780 if (vwrq->disabled) {
6781 set_bit (FLAG_RADIO_OFF, &local->flags);
6782 set_bit (FLAG_COMMIT, &local->flags);
6783 return -EINPROGRESS; /* Call commit handler */
6785 if (vwrq->flags != IW_TXPOW_MWATT) {
6788 clear_bit (FLAG_RADIO_OFF, &local->flags);
6789 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6790 if (v == cap_rid.txPowerLevels[i]) {
6791 readConfigRid(local, 1);
6792 local->config.txPower = v;
6793 set_bit (FLAG_COMMIT, &local->flags);
6794 rc = -EINPROGRESS; /* Call commit handler */
6800 /*------------------------------------------------------------------*/
6802 * Wireless Handler : get Tx-Power
6804 static int airo_get_txpow(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6809 struct airo_info *local = dev->ml_priv;
6811 readConfigRid(local, 1);
6812 vwrq->value = le16_to_cpu(local->config.txPower);
6813 vwrq->fixed = 1; /* No power control */
6814 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6815 vwrq->flags = IW_TXPOW_MWATT;
6820 /*------------------------------------------------------------------*/
6822 * Wireless Handler : set Retry limits
6824 static int airo_set_retry(struct net_device *dev,
6825 struct iw_request_info *info,
6826 struct iw_param *vwrq,
6829 struct airo_info *local = dev->ml_priv;
6832 if(vwrq->disabled) {
6835 readConfigRid(local, 1);
6836 if(vwrq->flags & IW_RETRY_LIMIT) {
6837 __le16 v = cpu_to_le16(vwrq->value);
6838 if(vwrq->flags & IW_RETRY_LONG)
6839 local->config.longRetryLimit = v;
6840 else if (vwrq->flags & IW_RETRY_SHORT)
6841 local->config.shortRetryLimit = v;
6843 /* No modifier : set both */
6844 local->config.longRetryLimit = v;
6845 local->config.shortRetryLimit = v;
6847 set_bit (FLAG_COMMIT, &local->flags);
6848 rc = -EINPROGRESS; /* Call commit handler */
6850 if(vwrq->flags & IW_RETRY_LIFETIME) {
6851 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6852 set_bit (FLAG_COMMIT, &local->flags);
6853 rc = -EINPROGRESS; /* Call commit handler */
6858 /*------------------------------------------------------------------*/
6860 * Wireless Handler : get Retry limits
6862 static int airo_get_retry(struct net_device *dev,
6863 struct iw_request_info *info,
6864 struct iw_param *vwrq,
6867 struct airo_info *local = dev->ml_priv;
6869 vwrq->disabled = 0; /* Can't be disabled */
6871 readConfigRid(local, 1);
6872 /* Note : by default, display the min retry number */
6873 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6874 vwrq->flags = IW_RETRY_LIFETIME;
6875 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6876 } else if((vwrq->flags & IW_RETRY_LONG)) {
6877 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6878 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6880 vwrq->flags = IW_RETRY_LIMIT;
6881 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6882 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6883 vwrq->flags |= IW_RETRY_SHORT;
6889 /*------------------------------------------------------------------*/
6891 * Wireless Handler : get range info
6893 static int airo_get_range(struct net_device *dev,
6894 struct iw_request_info *info,
6895 struct iw_point *dwrq,
6898 struct airo_info *local = dev->ml_priv;
6899 struct iw_range *range = (struct iw_range *) extra;
6900 CapabilityRid cap_rid; /* Card capability info */
6904 readCapabilityRid(local, &cap_rid, 1);
6906 dwrq->length = sizeof(struct iw_range);
6907 memset(range, 0, sizeof(*range));
6908 range->min_nwid = 0x0000;
6909 range->max_nwid = 0x0000;
6910 range->num_channels = 14;
6911 /* Should be based on cap_rid.country to give only
6912 * what the current card support */
6914 for(i = 0; i < 14; i++) {
6915 range->freq[k].i = i + 1; /* List index */
6916 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6917 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6919 range->num_frequency = k;
6921 range->sensitivity = 65535;
6923 /* Hum... Should put the right values there */
6925 range->max_qual.qual = 100; /* % */
6927 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6928 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6929 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6931 /* Experimental measurements - boundary 11/5.5 Mb/s */
6932 /* Note : with or without the (local->rssi), results
6933 * are somewhat different. - Jean II */
6935 range->avg_qual.qual = 50; /* % */
6936 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6938 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6939 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6941 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6943 for(i = 0 ; i < 8 ; i++) {
6944 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6945 if(range->bitrate[i] == 0)
6948 range->num_bitrates = i;
6950 /* Set an indication of the max TCP throughput
6951 * in bit/s that we can expect using this interface.
6952 * May be use for QoS stuff... Jean II */
6954 range->throughput = 5000 * 1000;
6956 range->throughput = 1500 * 1000;
6959 range->max_rts = AIRO_DEF_MTU;
6960 range->min_frag = 256;
6961 range->max_frag = AIRO_DEF_MTU;
6963 if(cap_rid.softCap & cpu_to_le16(2)) {
6965 range->encoding_size[0] = 5;
6967 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6968 range->encoding_size[1] = 13;
6969 range->num_encoding_sizes = 2;
6971 range->num_encoding_sizes = 1;
6972 range->max_encoding_tokens =
6973 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6975 range->num_encoding_sizes = 0;
6976 range->max_encoding_tokens = 0;
6979 range->max_pmp = 5000000; /* 5 secs */
6981 range->max_pmt = 65535 * 1024; /* ??? */
6982 range->pmp_flags = IW_POWER_PERIOD;
6983 range->pmt_flags = IW_POWER_TIMEOUT;
6984 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6986 /* Transmit Power - values are in mW */
6987 for(i = 0 ; i < 8 ; i++) {
6988 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6989 if(range->txpower[i] == 0)
6992 range->num_txpower = i;
6993 range->txpower_capa = IW_TXPOW_MWATT;
6994 range->we_version_source = 19;
6995 range->we_version_compiled = WIRELESS_EXT;
6996 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6997 range->retry_flags = IW_RETRY_LIMIT;
6998 range->r_time_flags = IW_RETRY_LIFETIME;
6999 range->min_retry = 1;
7000 range->max_retry = 65535;
7001 range->min_r_time = 1024;
7002 range->max_r_time = 65535 * 1024;
7004 /* Event capability (kernel + driver) */
7005 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7006 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7007 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7008 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7009 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7010 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7014 /*------------------------------------------------------------------*/
7016 * Wireless Handler : set Power Management
7018 static int airo_set_power(struct net_device *dev,
7019 struct iw_request_info *info,
7020 struct iw_param *vwrq,
7023 struct airo_info *local = dev->ml_priv;
7025 readConfigRid(local, 1);
7026 if (vwrq->disabled) {
7027 if (sniffing_mode(local))
7029 local->config.powerSaveMode = POWERSAVE_CAM;
7030 local->config.rmode &= ~RXMODE_MASK;
7031 local->config.rmode |= RXMODE_BC_MC_ADDR;
7032 set_bit (FLAG_COMMIT, &local->flags);
7033 return -EINPROGRESS; /* Call commit handler */
7035 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7036 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7037 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7038 set_bit (FLAG_COMMIT, &local->flags);
7039 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7040 local->config.fastListenInterval =
7041 local->config.listenInterval =
7042 cpu_to_le16((vwrq->value + 500) / 1024);
7043 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7044 set_bit (FLAG_COMMIT, &local->flags);
7046 switch (vwrq->flags & IW_POWER_MODE) {
7047 case IW_POWER_UNICAST_R:
7048 if (sniffing_mode(local))
7050 local->config.rmode &= ~RXMODE_MASK;
7051 local->config.rmode |= RXMODE_ADDR;
7052 set_bit (FLAG_COMMIT, &local->flags);
7054 case IW_POWER_ALL_R:
7055 if (sniffing_mode(local))
7057 local->config.rmode &= ~RXMODE_MASK;
7058 local->config.rmode |= RXMODE_BC_MC_ADDR;
7059 set_bit (FLAG_COMMIT, &local->flags);
7061 /* This is broken, fixme ;-) */
7066 // Note : we may want to factor local->need_commit here
7067 // Note2 : may also want to factor RXMODE_RFMON test
7068 return -EINPROGRESS; /* Call commit handler */
7071 /*------------------------------------------------------------------*/
7073 * Wireless Handler : get Power Management
7075 static int airo_get_power(struct net_device *dev,
7076 struct iw_request_info *info,
7077 struct iw_param *vwrq,
7080 struct airo_info *local = dev->ml_priv;
7083 readConfigRid(local, 1);
7084 mode = local->config.powerSaveMode;
7085 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7087 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7088 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7089 vwrq->flags = IW_POWER_TIMEOUT;
7091 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7092 vwrq->flags = IW_POWER_PERIOD;
7094 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7095 vwrq->flags |= IW_POWER_UNICAST_R;
7097 vwrq->flags |= IW_POWER_ALL_R;
7102 /*------------------------------------------------------------------*/
7104 * Wireless Handler : set Sensitivity
7106 static int airo_set_sens(struct net_device *dev,
7107 struct iw_request_info *info,
7108 struct iw_param *vwrq,
7111 struct airo_info *local = dev->ml_priv;
7113 readConfigRid(local, 1);
7114 local->config.rssiThreshold =
7115 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7116 set_bit (FLAG_COMMIT, &local->flags);
7118 return -EINPROGRESS; /* Call commit handler */
7121 /*------------------------------------------------------------------*/
7123 * Wireless Handler : get Sensitivity
7125 static int airo_get_sens(struct net_device *dev,
7126 struct iw_request_info *info,
7127 struct iw_param *vwrq,
7130 struct airo_info *local = dev->ml_priv;
7132 readConfigRid(local, 1);
7133 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7134 vwrq->disabled = (vwrq->value == 0);
7140 /*------------------------------------------------------------------*/
7142 * Wireless Handler : get AP List
7143 * Note : this is deprecated in favor of IWSCAN
7145 static int airo_get_aplist(struct net_device *dev,
7146 struct iw_request_info *info,
7147 struct iw_point *dwrq,
7150 struct airo_info *local = dev->ml_priv;
7151 struct sockaddr *address = (struct sockaddr *) extra;
7152 struct iw_quality qual[IW_MAX_AP];
7155 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7157 for (i = 0; i < IW_MAX_AP; i++) {
7159 if (readBSSListRid(local, loseSync, &BSSList))
7162 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7163 address[i].sa_family = ARPHRD_ETHER;
7164 dBm = le16_to_cpu(BSSList.dBm);
7166 qual[i].level = 0x100 - dBm;
7167 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7168 qual[i].updated = IW_QUAL_QUAL_UPDATED
7169 | IW_QUAL_LEVEL_UPDATED
7172 qual[i].level = (dBm + 321) / 2;
7174 qual[i].updated = IW_QUAL_QUAL_INVALID
7175 | IW_QUAL_LEVEL_UPDATED
7178 qual[i].noise = local->wstats.qual.noise;
7179 if (BSSList.index == cpu_to_le16(0xffff))
7183 StatusRid status_rid; /* Card status info */
7184 readStatusRid(local, &status_rid, 1);
7186 i < min(IW_MAX_AP, 4) &&
7187 (status_rid.bssid[i][0]
7188 & status_rid.bssid[i][1]
7189 & status_rid.bssid[i][2]
7190 & status_rid.bssid[i][3]
7191 & status_rid.bssid[i][4]
7192 & status_rid.bssid[i][5])!=0xff &&
7193 (status_rid.bssid[i][0]
7194 | status_rid.bssid[i][1]
7195 | status_rid.bssid[i][2]
7196 | status_rid.bssid[i][3]
7197 | status_rid.bssid[i][4]
7198 | status_rid.bssid[i][5]);
7200 memcpy(address[i].sa_data,
7201 status_rid.bssid[i], ETH_ALEN);
7202 address[i].sa_family = ARPHRD_ETHER;
7205 dwrq->flags = 1; /* Should be define'd */
7206 memcpy(extra + sizeof(struct sockaddr)*i,
7207 &qual, sizeof(struct iw_quality)*i);
7214 /*------------------------------------------------------------------*/
7216 * Wireless Handler : Initiate Scan
7218 static int airo_set_scan(struct net_device *dev,
7219 struct iw_request_info *info,
7220 struct iw_point *dwrq,
7223 struct airo_info *ai = dev->ml_priv;
7228 /* Note : you may have realised that, as this is a SET operation,
7229 * this is privileged and therefore a normal user can't
7231 * This is not an error, while the device perform scanning,
7232 * traffic doesn't flow, so it's a perfect DoS...
7234 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7236 if (down_interruptible(&ai->sem))
7237 return -ERESTARTSYS;
7239 /* If there's already a scan in progress, don't
7240 * trigger another one. */
7241 if (ai->scan_timeout > 0)
7244 /* Initiate a scan command */
7245 ai->scan_timeout = RUN_AT(3*HZ);
7246 memset(&cmd, 0, sizeof(cmd));
7247 cmd.cmd=CMD_LISTBSS;
7248 issuecommand(ai, &cmd, &rsp);
7254 wake_up_interruptible(&ai->thr_wait);
7258 /*------------------------------------------------------------------*/
7260 * Translate scan data returned from the card to a card independent
7261 * format that the Wireless Tools will understand - Jean II
7263 static inline char *airo_translate_scan(struct net_device *dev,
7264 struct iw_request_info *info,
7269 struct airo_info *ai = dev->ml_priv;
7270 struct iw_event iwe; /* Temporary buffer */
7271 __le16 capabilities;
7272 char * current_val; /* For rates */
7277 /* First entry *MUST* be the AP MAC address */
7278 iwe.cmd = SIOCGIWAP;
7279 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7280 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7281 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7282 &iwe, IW_EV_ADDR_LEN);
7284 /* Other entries will be displayed in the order we give them */
7287 iwe.u.data.length = bss->ssidLen;
7288 if(iwe.u.data.length > 32)
7289 iwe.u.data.length = 32;
7290 iwe.cmd = SIOCGIWESSID;
7291 iwe.u.data.flags = 1;
7292 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7296 iwe.cmd = SIOCGIWMODE;
7297 capabilities = bss->cap;
7298 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7299 if(capabilities & CAP_ESS)
7300 iwe.u.mode = IW_MODE_MASTER;
7302 iwe.u.mode = IW_MODE_ADHOC;
7303 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7304 &iwe, IW_EV_UINT_LEN);
7308 iwe.cmd = SIOCGIWFREQ;
7309 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7310 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7312 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7313 &iwe, IW_EV_FREQ_LEN);
7315 dBm = le16_to_cpu(bss->dBm);
7317 /* Add quality statistics */
7320 iwe.u.qual.level = 0x100 - dBm;
7321 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7322 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7323 | IW_QUAL_LEVEL_UPDATED
7326 iwe.u.qual.level = (dBm + 321) / 2;
7327 iwe.u.qual.qual = 0;
7328 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7329 | IW_QUAL_LEVEL_UPDATED
7332 iwe.u.qual.noise = ai->wstats.qual.noise;
7333 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7334 &iwe, IW_EV_QUAL_LEN);
7336 /* Add encryption capability */
7337 iwe.cmd = SIOCGIWENCODE;
7338 if(capabilities & CAP_PRIVACY)
7339 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7341 iwe.u.data.flags = IW_ENCODE_DISABLED;
7342 iwe.u.data.length = 0;
7343 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7346 /* Rate : stuffing multiple values in a single event require a bit
7347 * more of magic - Jean II */
7348 current_val = current_ev + iwe_stream_lcp_len(info);
7350 iwe.cmd = SIOCGIWRATE;
7351 /* Those two flags are ignored... */
7352 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7354 for(i = 0 ; i < 8 ; i++) {
7355 /* NULL terminated */
7356 if(bss->rates[i] == 0)
7358 /* Bit rate given in 500 kb/s units (+ 0x80) */
7359 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7360 /* Add new value to event */
7361 current_val = iwe_stream_add_value(info, current_ev,
7362 current_val, end_buf,
7363 &iwe, IW_EV_PARAM_LEN);
7365 /* Check if we added any event */
7366 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7367 current_ev = current_val;
7369 /* Beacon interval */
7370 buf = kmalloc(30, GFP_KERNEL);
7372 iwe.cmd = IWEVCUSTOM;
7373 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7374 iwe.u.data.length = strlen(buf);
7375 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7380 /* Put WPA/RSN Information Elements into the event stream */
7381 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7382 unsigned int num_null_ies = 0;
7383 u16 length = sizeof (bss->extra.iep);
7384 u8 *ie = (void *)&bss->extra.iep;
7386 while ((length >= 2) && (num_null_ies < 2)) {
7387 if (2 + ie[1] > length) {
7388 /* Invalid element, don't continue parsing IE */
7394 /* Two zero-length SSID elements
7395 * mean we're done parsing elements */
7400 case WLAN_EID_GENERIC:
7406 iwe.cmd = IWEVGENIE;
7407 /* 64 is an arbitrary cut-off */
7408 iwe.u.data.length = min(ie[1] + 2,
7410 current_ev = iwe_stream_add_point(
7417 iwe.cmd = IWEVGENIE;
7418 /* 64 is an arbitrary cut-off */
7419 iwe.u.data.length = min(ie[1] + 2, 64);
7420 current_ev = iwe_stream_add_point(
7421 info, current_ev, end_buf,
7429 length -= 2 + ie[1];
7436 /*------------------------------------------------------------------*/
7438 * Wireless Handler : Read Scan Results
7440 static int airo_get_scan(struct net_device *dev,
7441 struct iw_request_info *info,
7442 struct iw_point *dwrq,
7445 struct airo_info *ai = dev->ml_priv;
7446 BSSListElement *net;
7448 char *current_ev = extra;
7450 /* If a scan is in-progress, return -EAGAIN */
7451 if (ai->scan_timeout > 0)
7454 if (down_interruptible(&ai->sem))
7457 list_for_each_entry (net, &ai->network_list, list) {
7458 /* Translate to WE format this entry */
7459 current_ev = airo_translate_scan(dev, info, current_ev,
7460 extra + dwrq->length,
7463 /* Check if there is space for one more entry */
7464 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7465 /* Ask user space to try again with a bigger buffer */
7471 /* Length of data */
7472 dwrq->length = (current_ev - extra);
7473 dwrq->flags = 0; /* todo */
7480 /*------------------------------------------------------------------*/
7482 * Commit handler : called after a bunch of SET operations
7484 static int airo_config_commit(struct net_device *dev,
7485 struct iw_request_info *info, /* NULL */
7486 void *zwrq, /* NULL */
7487 char *extra) /* NULL */
7489 struct airo_info *local = dev->ml_priv;
7491 if (!test_bit (FLAG_COMMIT, &local->flags))
7494 /* Some of the "SET" function may have modified some of the
7495 * parameters. It's now time to commit them in the card */
7496 disable_MAC(local, 1);
7497 if (test_bit (FLAG_RESET, &local->flags)) {
7498 APListRid APList_rid;
7501 readAPListRid(local, &APList_rid);
7502 readSsidRid(local, &SSID_rid);
7503 if (test_bit(FLAG_MPI,&local->flags))
7504 setup_card(local, dev->dev_addr, 1 );
7506 reset_airo_card(dev);
7507 disable_MAC(local, 1);
7508 writeSsidRid(local, &SSID_rid, 1);
7509 writeAPListRid(local, &APList_rid, 1);
7511 if (down_interruptible(&local->sem))
7512 return -ERESTARTSYS;
7513 writeConfigRid(local, 0);
7514 enable_MAC(local, 0);
7515 if (test_bit (FLAG_RESET, &local->flags))
7516 airo_set_promisc(local);
7523 /*------------------------------------------------------------------*/
7525 * Structures to export the Wireless Handlers
7528 static const struct iw_priv_args airo_private_args[] = {
7529 /*{ cmd, set_args, get_args, name } */
7530 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7531 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7532 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7533 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7536 static const iw_handler airo_handler[] =
7538 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7539 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7540 (iw_handler) NULL, /* SIOCSIWNWID */
7541 (iw_handler) NULL, /* SIOCGIWNWID */
7542 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7543 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7544 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7545 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7546 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7547 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7548 (iw_handler) NULL, /* SIOCSIWRANGE */
7549 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7550 (iw_handler) NULL, /* SIOCSIWPRIV */
7551 (iw_handler) NULL, /* SIOCGIWPRIV */
7552 (iw_handler) NULL, /* SIOCSIWSTATS */
7553 (iw_handler) NULL, /* SIOCGIWSTATS */
7554 iw_handler_set_spy, /* SIOCSIWSPY */
7555 iw_handler_get_spy, /* SIOCGIWSPY */
7556 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7557 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7558 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7559 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7560 (iw_handler) NULL, /* -- hole -- */
7561 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7562 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7563 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7564 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7565 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7566 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7567 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7568 (iw_handler) NULL, /* -- hole -- */
7569 (iw_handler) NULL, /* -- hole -- */
7570 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7571 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7572 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7573 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7574 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7575 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7576 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7577 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7578 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7579 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7580 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7581 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7582 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7583 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7584 (iw_handler) NULL, /* -- hole -- */
7585 (iw_handler) NULL, /* -- hole -- */
7586 (iw_handler) NULL, /* SIOCSIWGENIE */
7587 (iw_handler) NULL, /* SIOCGIWGENIE */
7588 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7589 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7590 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7591 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7592 (iw_handler) NULL, /* SIOCSIWPMKSA */
7595 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7596 * We want to force the use of the ioctl code, because those can't be
7597 * won't work the iw_handler code (because they simultaneously read
7598 * and write data and iw_handler can't do that).
7599 * Note that it's perfectly legal to read/write on a single ioctl command,
7600 * you just can't use iwpriv and need to force it via the ioctl handler.
7602 static const iw_handler airo_private_handler[] =
7604 NULL, /* SIOCIWFIRSTPRIV */
7607 static const struct iw_handler_def airo_handler_def =
7609 .num_standard = ARRAY_SIZE(airo_handler),
7610 .num_private = ARRAY_SIZE(airo_private_handler),
7611 .num_private_args = ARRAY_SIZE(airo_private_args),
7612 .standard = airo_handler,
7613 .private = airo_private_handler,
7614 .private_args = airo_private_args,
7615 .get_wireless_stats = airo_get_wireless_stats,
7619 * This defines the configuration part of the Wireless Extensions
7620 * Note : irq and spinlock protection will occur in the subroutines
7623 * o Check input value more carefully and fill correct values in range
7624 * o Test and shakeout the bugs (if any)
7628 * Javier Achirica did a great job of merging code from the unnamed CISCO
7629 * developer that added support for flashing the card.
7631 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7634 struct airo_info *ai = dev->ml_priv;
7636 if (ai->power.event)
7646 int val = AIROMAGIC;
7648 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7650 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7659 /* Get the command struct and hand it off for evaluation by
7660 * the proper subfunction
7664 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7669 /* Separate R/W functions bracket legality here
7671 if ( com.command == AIRORSWVERSION ) {
7672 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7677 else if ( com.command <= AIRORRID)
7678 rc = readrids(dev,&com);
7679 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7680 rc = writerids(dev,&com);
7681 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7682 rc = flashcard(dev,&com);
7684 rc = -EINVAL; /* Bad command in ioctl */
7687 #endif /* CISCO_EXT */
7689 // All other calls are currently unsupported
7697 * Get the Wireless stats out of the driver
7698 * Note : irq and spinlock protection will occur in the subroutines
7701 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7705 static void airo_read_wireless_stats(struct airo_info *local)
7707 StatusRid status_rid;
7709 CapabilityRid cap_rid;
7710 __le32 *vals = stats_rid.vals;
7712 /* Get stats out of the card */
7713 clear_bit(JOB_WSTATS, &local->jobs);
7714 if (local->power.event) {
7718 readCapabilityRid(local, &cap_rid, 0);
7719 readStatusRid(local, &status_rid, 0);
7720 readStatsRid(local, &stats_rid, RID_STATS, 0);
7724 local->wstats.status = le16_to_cpu(status_rid.mode);
7726 /* Signal quality and co */
7728 local->wstats.qual.level =
7729 airo_rssi_to_dbm(local->rssi,
7730 le16_to_cpu(status_rid.sigQuality));
7731 /* normalizedSignalStrength appears to be a percentage */
7732 local->wstats.qual.qual =
7733 le16_to_cpu(status_rid.normalizedSignalStrength);
7735 local->wstats.qual.level =
7736 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7737 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7739 if (le16_to_cpu(status_rid.len) >= 124) {
7740 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7741 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7743 local->wstats.qual.noise = 0;
7744 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7747 /* Packets discarded in the wireless adapter due to wireless
7748 * specific problems */
7749 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7750 le32_to_cpu(vals[57]) +
7751 le32_to_cpu(vals[58]); /* SSID Mismatch */
7752 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7753 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7754 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7755 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7756 le32_to_cpu(vals[32]);
7757 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7760 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7762 struct airo_info *local = dev->ml_priv;
7764 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7765 /* Get stats out of the card if available */
7766 if (down_trylock(&local->sem) != 0) {
7767 set_bit(JOB_WSTATS, &local->jobs);
7768 wake_up_interruptible(&local->thr_wait);
7770 airo_read_wireless_stats(local);
7773 return &local->wstats;
7778 * This just translates from driver IOCTL codes to the command codes to
7779 * feed to the radio's host interface. Things can be added/deleted
7780 * as needed. This represents the READ side of control I/O to
7783 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7784 unsigned short ridcode;
7785 unsigned char *iobuf;
7787 struct airo_info *ai = dev->ml_priv;
7789 if (test_bit(FLAG_FLASHING, &ai->flags))
7792 switch(comp->command)
7794 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7795 case AIROGCFG: ridcode = RID_CONFIG;
7796 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7797 disable_MAC (ai, 1);
7798 writeConfigRid (ai, 1);
7802 case AIROGSLIST: ridcode = RID_SSID; break;
7803 case AIROGVLIST: ridcode = RID_APLIST; break;
7804 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7805 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7806 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7807 /* Only super-user can read WEP keys */
7808 if (!capable(CAP_NET_ADMIN))
7811 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7812 /* Only super-user can read WEP keys */
7813 if (!capable(CAP_NET_ADMIN))
7816 case AIROGSTAT: ridcode = RID_STATUS; break;
7817 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7818 case AIROGSTATSC32: ridcode = RID_STATS; break;
7820 if (copy_to_user(comp->data, &ai->micstats,
7821 min((int)comp->len,(int)sizeof(ai->micstats))))
7824 case AIRORRID: ridcode = comp->ridnum; break;
7830 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7833 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7834 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7835 * then return it to the user
7836 * 9/22/2000 Honor user given length
7840 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7849 * Danger Will Robinson write the rids here
7852 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7853 struct airo_info *ai = dev->ml_priv;
7856 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7857 unsigned char *iobuf;
7859 /* Only super-user can write RIDs */
7860 if (!capable(CAP_NET_ADMIN))
7863 if (test_bit(FLAG_FLASHING, &ai->flags))
7867 writer = do_writerid;
7869 switch(comp->command)
7871 case AIROPSIDS: ridcode = RID_SSID; break;
7872 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7873 case AIROPAPLIST: ridcode = RID_APLIST; break;
7874 case AIROPCFG: ai->config.len = 0;
7875 clear_bit(FLAG_COMMIT, &ai->flags);
7876 ridcode = RID_CONFIG; break;
7877 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7878 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7879 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7880 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7882 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7883 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7885 /* this is not really a rid but a command given to the card
7889 if (enable_MAC(ai, 1) != 0)
7894 * Evidently this code in the airo driver does not get a symbol
7895 * as disable_MAC. it's probably so short the compiler does not gen one.
7901 /* This command merely clears the counts does not actually store any data
7902 * only reads rid. But as it changes the cards state, I put it in the
7903 * writerid routines.
7906 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7909 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7911 enabled = ai->micstats.enabled;
7912 memset(&ai->micstats,0,sizeof(ai->micstats));
7913 ai->micstats.enabled = enabled;
7915 if (copy_to_user(comp->data, iobuf,
7916 min((int)comp->len, (int)RIDSIZE))) {
7924 return -EOPNOTSUPP; /* Blarg! */
7926 if(comp->len > RIDSIZE)
7929 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7932 if (copy_from_user(iobuf,comp->data,comp->len)) {
7937 if (comp->command == AIROPCFG) {
7938 ConfigRid *cfg = (ConfigRid *)iobuf;
7940 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7941 cfg->opmode |= MODE_MIC;
7943 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7944 set_bit (FLAG_ADHOC, &ai->flags);
7946 clear_bit (FLAG_ADHOC, &ai->flags);
7949 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7957 /*****************************************************************************
7958 * Ancillary flash / mod functions much black magic lurkes here *
7959 *****************************************************************************
7963 * Flash command switch table
7966 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7969 /* Only super-user can modify flash */
7970 if (!capable(CAP_NET_ADMIN))
7973 switch(comp->command)
7976 return cmdreset((struct airo_info *)dev->ml_priv);
7979 if (!AIRO_FLASH(dev) &&
7980 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7982 return setflashmode((struct airo_info *)dev->ml_priv);
7984 case AIROFLSHGCHR: /* Get char from aux */
7985 if(comp->len != sizeof(int))
7987 if (copy_from_user(&z,comp->data,comp->len))
7989 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7991 case AIROFLSHPCHR: /* Send char to card. */
7992 if(comp->len != sizeof(int))
7994 if (copy_from_user(&z,comp->data,comp->len))
7996 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7998 case AIROFLPUTBUF: /* Send 32k to card */
7999 if (!AIRO_FLASH(dev))
8001 if(comp->len > FLASHSIZE)
8003 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8006 flashputbuf((struct airo_info *)dev->ml_priv);
8010 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8017 #define FLASH_COMMAND 0x7e7e
8021 * Disable MAC and do soft reset on
8025 static int cmdreset(struct airo_info *ai) {
8029 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8033 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8035 ssleep(1); /* WAS 600 12/7/00 */
8038 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8045 * Put the card in legendary flash
8049 static int setflashmode (struct airo_info *ai) {
8050 set_bit (FLAG_FLASHING, &ai->flags);
8052 OUT4500(ai, SWS0, FLASH_COMMAND);
8053 OUT4500(ai, SWS1, FLASH_COMMAND);
8055 OUT4500(ai, SWS0, FLASH_COMMAND);
8056 OUT4500(ai, COMMAND,0x10);
8058 OUT4500(ai, SWS2, FLASH_COMMAND);
8059 OUT4500(ai, SWS3, FLASH_COMMAND);
8060 OUT4500(ai, COMMAND,0);
8062 msleep(500); /* 500ms delay */
8065 clear_bit (FLAG_FLASHING, &ai->flags);
8066 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8072 /* Put character to SWS0 wait for dwelltime
8076 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8087 /* Wait for busy bit d15 to go false indicating buffer empty */
8088 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8093 /* timeout for busy clear wait */
8095 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8099 /* Port is clear now write byte and wait for it to echo back */
8101 OUT4500(ai,SWS0,byte);
8104 echo = IN4500(ai,SWS1);
8105 } while (dwelltime >= 0 && echo != byte);
8109 return (echo == byte) ? 0 : -EIO;
8113 * Get a character from the card matching matchbyte
8116 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8118 unsigned char rbyte=0;
8121 rchar = IN4500(ai,SWS1);
8123 if(dwelltime && !(0x8000 & rchar)){
8128 rbyte = 0xff & rchar;
8130 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8134 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8138 }while(dwelltime > 0);
8143 * Transfer 32k of firmware data from user buffer to our buffer and
8147 static int flashputbuf(struct airo_info *ai){
8151 if (test_bit(FLAG_MPI,&ai->flags))
8152 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8154 OUT4500(ai,AUXPAGE,0x100);
8155 OUT4500(ai,AUXOFF,0);
8157 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8158 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8161 OUT4500(ai,SWS0,0x8000);
8169 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8172 ssleep(1); /* Added 12/7/00 */
8173 clear_bit (FLAG_FLASHING, &ai->flags);
8174 if (test_bit(FLAG_MPI, &ai->flags)) {
8175 status = mpi_init_descriptors(ai);
8176 if (status != SUCCESS)
8179 status = setup_card(ai, dev->dev_addr, 1);
8181 if (!test_bit(FLAG_MPI,&ai->flags))
8182 for( i = 0; i < MAX_FIDS; i++ ) {
8183 ai->fids[i] = transmit_allocate
8184 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8187 ssleep(1); /* Added 12/7/00 */
8190 #endif /* CISCO_EXT */
8193 This program is free software; you can redistribute it and/or
8194 modify it under the terms of the GNU General Public License
8195 as published by the Free Software Foundation; either version 2
8196 of the License, or (at your option) any later version.
8198 This program is distributed in the hope that it will be useful,
8199 but WITHOUT ANY WARRANTY; without even the implied warranty of
8200 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8201 GNU General Public License for more details.
8205 Redistribution and use in source and binary forms, with or without
8206 modification, are permitted provided that the following conditions
8209 1. Redistributions of source code must retain the above copyright
8210 notice, this list of conditions and the following disclaimer.
8211 2. Redistributions in binary form must reproduce the above copyright
8212 notice, this list of conditions and the following disclaimer in the
8213 documentation and/or other materials provided with the distribution.
8214 3. The name of the author may not be used to endorse or promote
8215 products derived from this software without specific prior written
8218 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8219 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8220 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8221 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8222 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8223 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8224 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8225 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8226 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8227 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8228 POSSIBILITY OF SUCH DAMAGE.
8231 module_init(airo_init_module);
8232 module_exit(airo_cleanup_module);