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 const struct net_device_ops airo11_netdev_ops = {
2650 .ndo_open = airo_open,
2651 .ndo_stop = airo_close,
2652 .ndo_start_xmit = airo_start_xmit11,
2653 .ndo_get_stats = airo_get_stats,
2654 .ndo_set_mac_address = airo_set_mac_address,
2655 .ndo_do_ioctl = airo_ioctl,
2656 .ndo_change_mtu = airo_change_mtu,
2659 static void wifi_setup(struct net_device *dev)
2661 dev->netdev_ops = &airo11_netdev_ops;
2662 dev->header_ops = &airo_header_ops;
2663 dev->wireless_handlers = &airo_handler_def;
2665 dev->type = ARPHRD_IEEE80211;
2666 dev->hard_header_len = ETH_HLEN;
2667 dev->mtu = AIRO_DEF_MTU;
2668 dev->addr_len = ETH_ALEN;
2669 dev->tx_queue_len = 100;
2671 memset(dev->broadcast,0xFF, ETH_ALEN);
2673 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2676 static struct net_device *init_wifidev(struct airo_info *ai,
2677 struct net_device *ethdev)
2680 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2683 dev->ml_priv = ethdev->ml_priv;
2684 dev->irq = ethdev->irq;
2685 dev->base_addr = ethdev->base_addr;
2686 dev->wireless_data = ethdev->wireless_data;
2687 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2688 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2689 err = register_netdev(dev);
2697 static int reset_card( struct net_device *dev , int lock) {
2698 struct airo_info *ai = dev->ml_priv;
2700 if (lock && down_interruptible(&ai->sem))
2703 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 #define AIRO_MAX_NETWORK_COUNT 64
2713 static int airo_networks_allocate(struct airo_info *ai)
2719 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2721 if (!ai->networks) {
2722 airo_print_warn("", "Out of memory allocating beacons");
2729 static void airo_networks_free(struct airo_info *ai)
2731 kfree(ai->networks);
2732 ai->networks = NULL;
2735 static void airo_networks_initialize(struct airo_info *ai)
2739 INIT_LIST_HEAD(&ai->network_free_list);
2740 INIT_LIST_HEAD(&ai->network_list);
2741 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2742 list_add_tail(&ai->networks[i].list,
2743 &ai->network_free_list);
2746 static const struct net_device_ops airo_netdev_ops = {
2747 .ndo_open = airo_open,
2748 .ndo_stop = airo_close,
2749 .ndo_start_xmit = airo_start_xmit,
2750 .ndo_get_stats = airo_get_stats,
2751 .ndo_set_multicast_list = airo_set_multicast_list,
2752 .ndo_set_mac_address = airo_set_mac_address,
2753 .ndo_do_ioctl = airo_ioctl,
2754 .ndo_change_mtu = airo_change_mtu,
2755 .ndo_set_mac_address = eth_mac_addr,
2756 .ndo_validate_addr = eth_validate_addr,
2759 static const struct net_device_ops mpi_netdev_ops = {
2760 .ndo_open = airo_open,
2761 .ndo_stop = airo_close,
2762 .ndo_start_xmit = mpi_start_xmit,
2763 .ndo_get_stats = airo_get_stats,
2764 .ndo_set_multicast_list = airo_set_multicast_list,
2765 .ndo_set_mac_address = airo_set_mac_address,
2766 .ndo_do_ioctl = airo_ioctl,
2767 .ndo_change_mtu = airo_change_mtu,
2768 .ndo_set_mac_address = eth_mac_addr,
2769 .ndo_validate_addr = eth_validate_addr,
2773 static struct net_device *_init_airo_card( unsigned short irq, int port,
2774 int is_pcmcia, struct pci_dev *pci,
2775 struct device *dmdev )
2777 struct net_device *dev;
2778 struct airo_info *ai;
2780 CapabilityRid cap_rid;
2782 /* Create the network device object. */
2783 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2785 airo_print_err("", "Couldn't alloc_etherdev");
2789 ai = dev->ml_priv = netdev_priv(dev);
2791 ai->flags = 1 << FLAG_RADIO_DOWN;
2794 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2795 airo_print_dbg("", "Found an MPI350 card");
2796 set_bit(FLAG_MPI, &ai->flags);
2798 spin_lock_init(&ai->aux_lock);
2799 sema_init(&ai->sem, 1);
2802 init_waitqueue_head (&ai->thr_wait);
2806 if (airo_networks_allocate (ai))
2808 airo_networks_initialize (ai);
2810 skb_queue_head_init (&ai->txq);
2812 /* The Airo-specific entries in the device structure. */
2813 if (test_bit(FLAG_MPI,&ai->flags))
2814 dev->netdev_ops = &mpi_netdev_ops;
2816 dev->netdev_ops = &airo_netdev_ops;
2817 dev->wireless_handlers = &airo_handler_def;
2818 ai->wireless_data.spy_data = &ai->spy_data;
2819 dev->wireless_data = &ai->wireless_data;
2821 dev->base_addr = port;
2823 SET_NETDEV_DEV(dev, dmdev);
2825 reset_card (dev, 1);
2829 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2831 airo_print_err(dev->name, "Couldn't request region");
2836 if (test_bit(FLAG_MPI,&ai->flags)) {
2837 if (mpi_map_card(ai, pci)) {
2838 airo_print_err("", "Could not map memory");
2844 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2845 airo_print_err(dev->name, "MAC could not be enabled" );
2849 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2850 ai->bap_read = fast_bap_read;
2851 set_bit(FLAG_FLASHING, &ai->flags);
2854 strcpy(dev->name, "eth%d");
2855 rc = register_netdev(dev);
2857 airo_print_err(dev->name, "Couldn't register_netdev");
2860 ai->wifidev = init_wifidev(ai, dev);
2864 rc = readCapabilityRid(ai, &cap_rid, 1);
2865 if (rc != SUCCESS) {
2869 /* WEP capability discovery */
2870 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2871 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2873 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2874 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2875 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2876 le16_to_cpu(cap_rid.softSubVer));
2878 /* Test for WPA support */
2879 /* Only firmware versions 5.30.17 or better can do WPA */
2880 if (le16_to_cpu(cap_rid.softVer) > 0x530
2881 || (le16_to_cpu(cap_rid.softVer) == 0x530
2882 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2883 airo_print_info(ai->dev->name, "WPA supported.");
2885 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2886 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2887 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2888 ai->bssListRidLen = sizeof(BSSListRid);
2890 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2891 "versions older than 5.30.17.");
2893 ai->bssListFirst = RID_BSSLISTFIRST;
2894 ai->bssListNext = RID_BSSLISTNEXT;
2895 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2898 set_bit(FLAG_REGISTERED,&ai->flags);
2899 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2901 /* Allocate the transmit buffers */
2902 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2903 for( i = 0; i < MAX_FIDS; i++ )
2904 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2906 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2912 unregister_netdev(ai->wifidev);
2913 free_netdev(ai->wifidev);
2915 unregister_netdev(dev);
2917 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2918 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2919 iounmap(ai->pciaux);
2920 iounmap(ai->pcimem);
2921 mpi_unmap_card(ai->pci);
2925 release_region( dev->base_addr, 64 );
2927 airo_networks_free(ai);
2934 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2935 struct device *dmdev)
2937 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2940 EXPORT_SYMBOL(init_airo_card);
2942 static int waitbusy (struct airo_info *ai) {
2944 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2946 if ((++delay % 20) == 0)
2947 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2949 return delay < 10000;
2952 int reset_airo_card( struct net_device *dev )
2955 struct airo_info *ai = dev->ml_priv;
2957 if (reset_card (dev, 1))
2960 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2961 airo_print_err(dev->name, "MAC could not be enabled");
2964 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2965 /* Allocate the transmit buffers if needed */
2966 if (!test_bit(FLAG_MPI,&ai->flags))
2967 for( i = 0; i < MAX_FIDS; i++ )
2968 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2970 enable_interrupts( ai );
2971 netif_wake_queue(dev);
2975 EXPORT_SYMBOL(reset_airo_card);
2977 static void airo_send_event(struct net_device *dev) {
2978 struct airo_info *ai = dev->ml_priv;
2979 union iwreq_data wrqu;
2980 StatusRid status_rid;
2982 clear_bit(JOB_EVENT, &ai->jobs);
2983 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2985 wrqu.data.length = 0;
2986 wrqu.data.flags = 0;
2987 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2988 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2990 /* Send event to user space */
2991 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2994 static void airo_process_scan_results (struct airo_info *ai) {
2995 union iwreq_data wrqu;
2998 BSSListElement * loop_net;
2999 BSSListElement * tmp_net;
3001 /* Blow away current list of scan results */
3002 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3003 list_move_tail (&loop_net->list, &ai->network_free_list);
3004 /* Don't blow away ->list, just BSS data */
3005 memset (loop_net, 0, sizeof (loop_net->bss));
3008 /* Try to read the first entry of the scan result */
3009 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3010 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3011 /* No scan results */
3015 /* Read and parse all entries */
3017 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3018 /* Grab a network off the free list */
3019 if (!list_empty(&ai->network_free_list)) {
3020 tmp_net = list_entry(ai->network_free_list.next,
3021 BSSListElement, list);
3022 list_del(ai->network_free_list.next);
3025 if (tmp_net != NULL) {
3026 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3027 list_add_tail(&tmp_net->list, &ai->network_list);
3031 /* Read next entry */
3032 rc = PC4500_readrid(ai, ai->bssListNext,
3033 &bss, ai->bssListRidLen, 0);
3037 ai->scan_timeout = 0;
3038 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3041 /* Send an empty event to user space.
3042 * We don't send the received data on
3043 * the event because it would require
3044 * us to do complex transcoding, and
3045 * we want to minimise the work done in
3046 * the irq handler. Use a request to
3047 * extract the data - Jean II */
3048 wrqu.data.length = 0;
3049 wrqu.data.flags = 0;
3050 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3053 static int airo_thread(void *data) {
3054 struct net_device *dev = data;
3055 struct airo_info *ai = dev->ml_priv;
3060 /* make swsusp happy with our thread */
3063 if (test_bit(JOB_DIE, &ai->jobs))
3067 locked = down_interruptible(&ai->sem);
3071 init_waitqueue_entry(&wait, current);
3072 add_wait_queue(&ai->thr_wait, &wait);
3074 set_current_state(TASK_INTERRUPTIBLE);
3077 if (ai->expires || ai->scan_timeout) {
3078 if (ai->scan_timeout &&
3079 time_after_eq(jiffies,ai->scan_timeout)){
3080 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3082 } else if (ai->expires &&
3083 time_after_eq(jiffies,ai->expires)){
3084 set_bit(JOB_AUTOWEP, &ai->jobs);
3087 if (!kthread_should_stop() &&
3088 !freezing(current)) {
3089 unsigned long wake_at;
3090 if (!ai->expires || !ai->scan_timeout) {
3091 wake_at = max(ai->expires,
3094 wake_at = min(ai->expires,
3097 schedule_timeout(wake_at - jiffies);
3100 } else if (!kthread_should_stop() &&
3101 !freezing(current)) {
3107 current->state = TASK_RUNNING;
3108 remove_wait_queue(&ai->thr_wait, &wait);
3115 if (test_bit(JOB_DIE, &ai->jobs)) {
3120 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3125 if (test_bit(JOB_XMIT, &ai->jobs))
3127 else if (test_bit(JOB_XMIT11, &ai->jobs))
3128 airo_end_xmit11(dev);
3129 else if (test_bit(JOB_STATS, &ai->jobs))
3130 airo_read_stats(dev);
3131 else if (test_bit(JOB_WSTATS, &ai->jobs))
3132 airo_read_wireless_stats(ai);
3133 else if (test_bit(JOB_PROMISC, &ai->jobs))
3134 airo_set_promisc(ai);
3135 else if (test_bit(JOB_MIC, &ai->jobs))
3137 else if (test_bit(JOB_EVENT, &ai->jobs))
3138 airo_send_event(dev);
3139 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3141 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3142 airo_process_scan_results(ai);
3143 else /* Shouldn't get here, but we make sure to unlock */
3150 static int header_len(__le16 ctl)
3152 u16 fc = le16_to_cpu(ctl);
3155 if ((fc & 0xe0) == 0xc0)
3156 return 10; /* one-address control packet */
3157 return 16; /* two-address control packet */
3159 if ((fc & 0x300) == 0x300)
3160 return 30; /* WDS packet */
3165 static void airo_handle_cisco_mic(struct airo_info *ai)
3167 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3168 set_bit(JOB_MIC, &ai->jobs);
3169 wake_up_interruptible(&ai->thr_wait);
3173 /* Airo Status codes */
3174 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3175 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3176 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3177 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3178 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3179 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3180 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3181 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3182 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3183 #define STAT_ASSOC 0x0400 /* Associated */
3184 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3186 static void airo_print_status(const char *devname, u16 status)
3188 u8 reason = status & 0xFF;
3192 airo_print_dbg(devname, "link lost (missed beacons)");
3194 case STAT_MAXRETRIES:
3196 airo_print_dbg(devname, "link lost (max retries)");
3198 case STAT_FORCELOSS:
3199 airo_print_dbg(devname, "link lost (local choice)");
3202 airo_print_dbg(devname, "link lost (TSF sync lost)");
3205 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3208 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3210 case STAT_ASSOC_FAIL:
3211 airo_print_dbg(devname, "association failed (reason: %d)",
3214 case STAT_AUTH_FAIL:
3215 airo_print_dbg(devname, "authentication failed (reason: %d)",
3223 static void airo_handle_link(struct airo_info *ai)
3225 union iwreq_data wrqu;
3226 int scan_forceloss = 0;
3229 /* Get new status and acknowledge the link change */
3230 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3231 OUT4500(ai, EVACK, EV_LINK);
3233 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3236 airo_print_status(ai->dev->name, status);
3238 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3241 if (ai->list_bss_task)
3242 wake_up_process(ai->list_bss_task);
3243 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3244 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3246 if (down_trylock(&ai->sem) != 0) {
3247 set_bit(JOB_EVENT, &ai->jobs);
3248 wake_up_interruptible(&ai->thr_wait);
3250 airo_send_event(ai->dev);
3251 } else if (!scan_forceloss) {
3252 if (auto_wep && !ai->expires) {
3253 ai->expires = RUN_AT(3*HZ);
3254 wake_up_interruptible(&ai->thr_wait);
3257 /* Send event to user space */
3258 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3259 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3260 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3264 static void airo_handle_rx(struct airo_info *ai)
3266 struct sk_buff *skb = NULL;
3267 __le16 fc, v, *buffer, tmpbuf[4];
3268 u16 len, hdrlen = 0, gap, fid;
3272 if (test_bit(FLAG_MPI, &ai->flags)) {
3273 if (test_bit(FLAG_802_11, &ai->flags))
3274 mpi_receive_802_11(ai);
3276 mpi_receive_802_3(ai);
3277 OUT4500(ai, EVACK, EV_RX);
3281 fid = IN4500(ai, RXFID);
3283 /* Get the packet length */
3284 if (test_bit(FLAG_802_11, &ai->flags)) {
3285 bap_setup (ai, fid, 4, BAP0);
3286 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3287 /* Bad CRC. Ignore packet */
3288 if (le16_to_cpu(hdr.status) & 2)
3290 if (ai->wifidev == NULL)
3293 bap_setup(ai, fid, 0x36, BAP0);
3294 bap_read(ai, &hdr.len, 2, BAP0);
3296 len = le16_to_cpu(hdr.len);
3298 if (len > AIRO_DEF_MTU) {
3299 airo_print_err(ai->dev->name, "Bad size %d", len);
3305 if (test_bit(FLAG_802_11, &ai->flags)) {
3306 bap_read(ai, &fc, sizeof (fc), BAP0);
3307 hdrlen = header_len(fc);
3309 hdrlen = ETH_ALEN * 2;
3311 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3313 ai->dev->stats.rx_dropped++;
3317 skb_reserve(skb, 2); /* This way the IP header is aligned */
3318 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3319 if (test_bit(FLAG_802_11, &ai->flags)) {
3321 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3323 bap_read(ai, tmpbuf, 6, BAP0);
3325 bap_read(ai, &v, sizeof(v), BAP0);
3326 gap = le16_to_cpu(v);
3329 bap_read(ai, tmpbuf, gap, BAP0);
3331 airo_print_err(ai->dev->name, "gaplen too "
3332 "big. Problems will follow...");
3335 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3339 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3340 if (ai->micstats.enabled) {
3341 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3342 if (ntohs(micbuf.typelen) > 0x05DC)
3343 bap_setup(ai, fid, 0x44, BAP0);
3345 if (len <= sizeof (micbuf)) {
3346 dev_kfree_skb_irq(skb);
3350 len -= sizeof(micbuf);
3351 skb_trim(skb, len + hdrlen);
3355 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3356 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3357 dev_kfree_skb_irq (skb);
3363 if (success && (ai->spy_data.spy_number > 0)) {
3365 struct iw_quality wstats;
3367 /* Prepare spy data : addr + qual */
3368 if (!test_bit(FLAG_802_11, &ai->flags)) {
3369 sa = (char *) buffer + 6;
3370 bap_setup(ai, fid, 8, BAP0);
3371 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3373 sa = (char *) buffer + 10;
3374 wstats.qual = hdr.rssi[0];
3376 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3378 wstats.level = (hdr.rssi[1] + 321) / 2;
3379 wstats.noise = ai->wstats.qual.noise;
3380 wstats.updated = IW_QUAL_LEVEL_UPDATED
3381 | IW_QUAL_QUAL_UPDATED
3383 /* Update spy records */
3384 wireless_spy_update(ai->dev, sa, &wstats);
3386 #endif /* WIRELESS_SPY */
3389 OUT4500(ai, EVACK, EV_RX);
3392 if (test_bit(FLAG_802_11, &ai->flags)) {
3393 skb_reset_mac_header(skb);
3394 skb->pkt_type = PACKET_OTHERHOST;
3395 skb->dev = ai->wifidev;
3396 skb->protocol = htons(ETH_P_802_2);
3398 skb->protocol = eth_type_trans(skb, ai->dev);
3399 skb->ip_summed = CHECKSUM_NONE;
3405 static void airo_handle_tx(struct airo_info *ai, u16 status)
3407 int i, len = 0, index = -1;
3410 if (test_bit(FLAG_MPI, &ai->flags)) {
3411 unsigned long flags;
3413 if (status & EV_TXEXC)
3414 get_tx_error(ai, -1);
3416 spin_lock_irqsave(&ai->aux_lock, flags);
3417 if (!skb_queue_empty(&ai->txq)) {
3418 spin_unlock_irqrestore(&ai->aux_lock,flags);
3419 mpi_send_packet(ai->dev);
3421 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3422 spin_unlock_irqrestore(&ai->aux_lock,flags);
3423 netif_wake_queue(ai->dev);
3425 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3429 fid = IN4500(ai, TXCOMPLFID);
3431 for(i = 0; i < MAX_FIDS; i++) {
3432 if ((ai->fids[i] & 0xffff) == fid) {
3433 len = ai->fids[i] >> 16;
3439 if (status & EV_TXEXC)
3440 get_tx_error(ai, index);
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3444 /* Set up to be used again */
3445 ai->fids[index] &= 0xffff;
3446 if (index < MAX_FIDS / 2) {
3447 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3448 netif_wake_queue(ai->dev);
3450 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3451 netif_wake_queue(ai->wifidev);
3454 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3455 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3459 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3461 struct net_device *dev = dev_id;
3462 u16 status, savedInterrupts = 0;
3463 struct airo_info *ai = dev->ml_priv;
3466 if (!netif_device_present(dev))
3470 status = IN4500(ai, EVSTAT);
3471 if (!(status & STATUS_INTS) || (status == 0xffff))
3476 if (status & EV_AWAKE) {
3477 OUT4500(ai, EVACK, EV_AWAKE);
3478 OUT4500(ai, EVACK, EV_AWAKE);
3481 if (!savedInterrupts) {
3482 savedInterrupts = IN4500(ai, EVINTEN);
3483 OUT4500(ai, EVINTEN, 0);
3486 if (status & EV_MIC) {
3487 OUT4500(ai, EVACK, EV_MIC);
3488 airo_handle_cisco_mic(ai);
3491 if (status & EV_LINK) {
3492 /* Link status changed */
3493 airo_handle_link(ai);
3496 /* Check to see if there is something to receive */
3500 /* Check to see if a packet has been transmitted */
3501 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3502 airo_handle_tx(ai, status);
3504 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3505 airo_print_warn(ai->dev->name, "Got weird status %x",
3506 status & ~STATUS_INTS & ~IGNORE_INTS );
3510 if (savedInterrupts)
3511 OUT4500(ai, EVINTEN, savedInterrupts);
3513 return IRQ_RETVAL(handled);
3517 * Routines to talk to the card
3521 * This was originally written for the 4500, hence the name
3522 * NOTE: If use with 8bit mode and SMP bad things will happen!
3523 * Why would some one do 8 bit IO in an SMP machine?!?
3525 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3526 if (test_bit(FLAG_MPI,&ai->flags))
3529 outw( val, ai->dev->base_addr + reg );
3531 outb( val & 0xff, ai->dev->base_addr + reg );
3532 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3536 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3539 if (test_bit(FLAG_MPI,&ai->flags))
3542 rc = inw( ai->dev->base_addr + reg );
3544 rc = inb( ai->dev->base_addr + reg );
3545 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3550 static int enable_MAC(struct airo_info *ai, int lock)
3556 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3557 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3558 * Note : we could try to use !netif_running(dev) in enable_MAC()
3559 * instead of this flag, but I don't trust it *within* the
3560 * open/close functions, and testing both flags together is
3561 * "cheaper" - Jean II */
3562 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3564 if (lock && down_interruptible(&ai->sem))
3565 return -ERESTARTSYS;
3567 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3568 memset(&cmd, 0, sizeof(cmd));
3569 cmd.cmd = MAC_ENABLE;
3570 rc = issuecommand(ai, &cmd, &rsp);
3572 set_bit(FLAG_ENABLED, &ai->flags);
3580 airo_print_err(ai->dev->name, "Cannot enable MAC");
3581 else if ((rsp.status & 0xFF00) != 0) {
3582 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3583 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3589 static void disable_MAC( struct airo_info *ai, int lock ) {
3593 if (lock && down_interruptible(&ai->sem))
3596 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3597 memset(&cmd, 0, sizeof(cmd));
3598 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3599 issuecommand(ai, &cmd, &rsp);
3600 clear_bit(FLAG_ENABLED, &ai->flags);
3606 static void enable_interrupts( struct airo_info *ai ) {
3607 /* Enable the interrupts */
3608 OUT4500( ai, EVINTEN, STATUS_INTS );
3611 static void disable_interrupts( struct airo_info *ai ) {
3612 OUT4500( ai, EVINTEN, 0 );
3615 static void mpi_receive_802_3(struct airo_info *ai)
3619 struct sk_buff *skb;
3624 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3625 /* Make sure we got something */
3626 if (rxd.rdy && rxd.valid == 0) {
3628 if (len < 12 || len > 2048)
3631 skb = dev_alloc_skb(len);
3633 ai->dev->stats.rx_dropped++;
3636 buffer = skb_put(skb,len);
3637 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3638 if (ai->micstats.enabled) {
3640 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3642 if (ntohs(micbuf.typelen) <= 0x05DC) {
3643 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3646 off = sizeof(micbuf);
3647 skb_trim (skb, len - off);
3650 memcpy(buffer + ETH_ALEN * 2,
3651 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3652 len - ETH_ALEN * 2 - off);
3653 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3655 dev_kfree_skb_irq (skb);
3659 if (ai->spy_data.spy_number > 0) {
3661 struct iw_quality wstats;
3662 /* Prepare spy data : addr + qual */
3663 sa = buffer + ETH_ALEN;
3664 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3667 /* Update spy records */
3668 wireless_spy_update(ai->dev, sa, &wstats);
3670 #endif /* WIRELESS_SPY */
3672 skb->ip_summed = CHECKSUM_NONE;
3673 skb->protocol = eth_type_trans(skb, ai->dev);
3677 if (rxd.valid == 0) {
3681 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3685 static void mpi_receive_802_11(struct airo_info *ai)
3688 struct sk_buff *skb = NULL;
3689 u16 len, hdrlen = 0;
3694 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3696 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3697 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3699 /* Bad CRC. Ignore packet */
3700 if (le16_to_cpu(hdr.status) & 2)
3702 if (ai->wifidev == NULL)
3704 len = le16_to_cpu(hdr.len);
3705 if (len > AIRO_DEF_MTU) {
3706 airo_print_err(ai->dev->name, "Bad size %d", len);
3712 fc = get_unaligned((__le16 *)ptr);
3713 hdrlen = header_len(fc);
3715 skb = dev_alloc_skb( len + hdrlen + 2 );
3717 ai->dev->stats.rx_dropped++;
3720 buffer = (u16*)skb_put (skb, len + hdrlen);
3721 memcpy ((char *)buffer, ptr, hdrlen);
3725 gap = get_unaligned_le16(ptr);
3726 ptr += sizeof(__le16);
3731 airo_print_err(ai->dev->name,
3732 "gaplen too big. Problems will follow...");
3734 memcpy ((char *)buffer + hdrlen, ptr, len);
3736 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3737 if (ai->spy_data.spy_number > 0) {
3739 struct iw_quality wstats;
3740 /* Prepare spy data : addr + qual */
3741 sa = (char*)buffer + 10;
3742 wstats.qual = hdr.rssi[0];
3744 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3746 wstats.level = (hdr.rssi[1] + 321) / 2;
3747 wstats.noise = ai->wstats.qual.noise;
3748 wstats.updated = IW_QUAL_QUAL_UPDATED
3749 | IW_QUAL_LEVEL_UPDATED
3751 /* Update spy records */
3752 wireless_spy_update(ai->dev, sa, &wstats);
3754 #endif /* IW_WIRELESS_SPY */
3755 skb_reset_mac_header(skb);
3756 skb->pkt_type = PACKET_OTHERHOST;
3757 skb->dev = ai->wifidev;
3758 skb->protocol = htons(ETH_P_802_2);
3759 skb->ip_summed = CHECKSUM_NONE;
3763 if (rxd.valid == 0) {
3767 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3771 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3781 memset( &mySsid, 0, sizeof( mySsid ) );
3785 /* The NOP is the first step in getting the card going */
3787 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3788 if (lock && down_interruptible(&ai->sem))
3790 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3795 disable_MAC( ai, 0);
3797 // Let's figure out if we need to use the AUX port
3798 if (!test_bit(FLAG_MPI,&ai->flags)) {
3799 cmd.cmd = CMD_ENABLEAUX;
3800 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3803 airo_print_err(ai->dev->name, "Error checking for AUX port");
3806 if (!aux_bap || rsp.status & 0xff00) {
3807 ai->bap_read = fast_bap_read;
3808 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3810 ai->bap_read = aux_bap_read;
3811 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3816 if (ai->config.len == 0) {
3818 tdsRssiRid rssi_rid;
3819 CapabilityRid cap_rid;
3825 // general configuration (read/modify/write)
3826 status = readConfigRid(ai, lock);
3827 if ( status != SUCCESS ) return ERROR;
3829 status = readCapabilityRid(ai, &cap_rid, lock);
3830 if ( status != SUCCESS ) return ERROR;
3832 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3833 if ( status == SUCCESS ) {
3834 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3835 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3840 if (cap_rid.softCap & cpu_to_le16(8))
3841 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3843 airo_print_warn(ai->dev->name, "unknown received signal "
3846 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3847 ai->config.authType = AUTH_OPEN;
3848 ai->config.modulation = MOD_CCK;
3850 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3851 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3852 micsetup(ai) == SUCCESS) {
3853 ai->config.opmode |= MODE_MIC;
3854 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3857 /* Save off the MAC */
3858 for( i = 0; i < ETH_ALEN; i++ ) {
3859 mac[i] = ai->config.macAddr[i];
3862 /* Check to see if there are any insmod configured
3865 memset(ai->config.rates,0,sizeof(ai->config.rates));
3866 for( i = 0; i < 8 && rates[i]; i++ ) {
3867 ai->config.rates[i] = rates[i];
3870 if ( basic_rate > 0 ) {
3871 for( i = 0; i < 8; i++ ) {
3872 if ( ai->config.rates[i] == basic_rate ||
3873 !ai->config.rates ) {
3874 ai->config.rates[i] = basic_rate | 0x80;
3879 set_bit (FLAG_COMMIT, &ai->flags);
3882 /* Setup the SSIDs if present */
3885 for( i = 0; i < 3 && ssids[i]; i++ ) {
3886 size_t len = strlen(ssids[i]);
3889 mySsid.ssids[i].len = cpu_to_le16(len);
3890 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3892 mySsid.len = cpu_to_le16(sizeof(mySsid));
3895 status = writeConfigRid(ai, lock);
3896 if ( status != SUCCESS ) return ERROR;
3898 /* Set up the SSID list */
3900 status = writeSsidRid(ai, &mySsid, lock);
3901 if ( status != SUCCESS ) return ERROR;
3904 status = enable_MAC(ai, lock);
3905 if (status != SUCCESS)
3908 /* Grab the initial wep key, we gotta save it for auto_wep */
3909 rc = readWepKeyRid(ai, &wkr, 1, lock);
3910 if (rc == SUCCESS) do {
3911 lastindex = wkr.kindex;
3912 if (wkr.kindex == cpu_to_le16(0xffff)) {
3913 ai->defindex = wkr.mac[0];
3915 rc = readWepKeyRid(ai, &wkr, 0, lock);
3916 } while(lastindex != wkr.kindex);
3923 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3924 // Im really paranoid about letting it run forever!
3925 int max_tries = 600000;
3927 if (IN4500(ai, EVSTAT) & EV_CMD)
3928 OUT4500(ai, EVACK, EV_CMD);
3930 OUT4500(ai, PARAM0, pCmd->parm0);
3931 OUT4500(ai, PARAM1, pCmd->parm1);
3932 OUT4500(ai, PARAM2, pCmd->parm2);
3933 OUT4500(ai, COMMAND, pCmd->cmd);
3935 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3936 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3937 // PC4500 didn't notice command, try again
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3939 if (!in_atomic() && (max_tries & 255) == 0)
3943 if ( max_tries == -1 ) {
3944 airo_print_err(ai->dev->name,
3945 "Max tries exceeded when issueing command");
3946 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3947 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3951 // command completed
3952 pRsp->status = IN4500(ai, STATUS);
3953 pRsp->rsp0 = IN4500(ai, RESP0);
3954 pRsp->rsp1 = IN4500(ai, RESP1);
3955 pRsp->rsp2 = IN4500(ai, RESP2);
3956 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3957 airo_print_err(ai->dev->name,
3958 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3959 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3962 // clear stuck command busy if necessary
3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3966 // acknowledge processing the status/response
3967 OUT4500(ai, EVACK, EV_CMD);
3972 /* Sets up the bap to start exchange data. whichbap should
3973 * be one of the BAP0 or BAP1 defines. Locks should be held before
3975 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3980 OUT4500(ai, SELECT0+whichbap, rid);
3981 OUT4500(ai, OFFSET0+whichbap, offset);
3983 int status = IN4500(ai, OFFSET0+whichbap);
3984 if (status & BAP_BUSY) {
3985 /* This isn't really a timeout, but its kinda
3990 } else if ( status & BAP_ERR ) {
3991 /* invalid rid or offset */
3992 airo_print_err(ai->dev->name, "BAP error %x %d",
3995 } else if (status & BAP_DONE) { // success
3998 if ( !(max_tries--) ) {
3999 airo_print_err(ai->dev->name,
4000 "BAP setup error too many retries\n");
4003 // -- PC4500 missed it, try again
4004 OUT4500(ai, SELECT0+whichbap, rid);
4005 OUT4500(ai, OFFSET0+whichbap, offset);
4010 /* should only be called by aux_bap_read. This aux function and the
4011 following use concepts not documented in the developers guide. I
4012 got them from a patch given to my by Aironet */
4013 static u16 aux_setup(struct airo_info *ai, u16 page,
4014 u16 offset, u16 *len)
4018 OUT4500(ai, AUXPAGE, page);
4019 OUT4500(ai, AUXOFF, 0);
4020 next = IN4500(ai, AUXDATA);
4021 *len = IN4500(ai, AUXDATA)&0xff;
4022 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4026 /* requires call to bap_setup() first */
4027 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4028 int bytelen, int whichbap)
4036 unsigned long flags;
4038 spin_lock_irqsave(&ai->aux_lock, flags);
4039 page = IN4500(ai, SWS0+whichbap);
4040 offset = IN4500(ai, SWS2+whichbap);
4041 next = aux_setup(ai, page, offset, &len);
4042 words = (bytelen+1)>>1;
4044 for (i=0; i<words;) {
4046 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4048 insw( ai->dev->base_addr+DATA0+whichbap,
4051 insb( ai->dev->base_addr+DATA0+whichbap,
4052 pu16Dst+i, count << 1 );
4055 next = aux_setup(ai, next, 4, &len);
4058 spin_unlock_irqrestore(&ai->aux_lock, flags);
4063 /* requires call to bap_setup() first */
4064 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4065 int bytelen, int whichbap)
4067 bytelen = (bytelen + 1) & (~1); // round up to even value
4069 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4071 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4075 /* requires call to bap_setup() first */
4076 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4077 int bytelen, int whichbap)
4079 bytelen = (bytelen + 1) & (~1); // round up to even value
4081 outsw( ai->dev->base_addr+DATA0+whichbap,
4082 pu16Src, bytelen>>1 );
4084 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4088 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4090 Cmd cmd; /* for issuing commands */
4091 Resp rsp; /* response from commands */
4094 memset(&cmd, 0, sizeof(cmd));
4097 status = issuecommand(ai, &cmd, &rsp);
4098 if (status != 0) return status;
4099 if ( (rsp.status & 0x7F00) != 0) {
4100 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4105 /* Note, that we are using BAP1 which is also used by transmit, so
4106 * we must get a lock. */
4107 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113 if (down_interruptible(&ai->sem))
4116 if (test_bit(FLAG_MPI,&ai->flags)) {
4120 memset(&cmd, 0, sizeof(cmd));
4121 memset(&rsp, 0, sizeof(rsp));
4122 ai->config_desc.rid_desc.valid = 1;
4123 ai->config_desc.rid_desc.len = RIDSIZE;
4124 ai->config_desc.rid_desc.rid = 0;
4125 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4127 cmd.cmd = CMD_ACCESS;
4130 memcpy_toio(ai->config_desc.card_ram_off,
4131 &ai->config_desc.rid_desc, sizeof(Rid));
4133 rc = issuecommand(ai, &cmd, &rsp);
4135 if (rsp.status & 0x7f00)
4138 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4141 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4145 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4149 // read the rid length field
4150 bap_read(ai, pBuf, 2, BAP1);
4151 // length for remaining part of rid
4152 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4155 airo_print_err(ai->dev->name,
4156 "Rid %x has a length of %d which is too short",
4157 (int)rid, (int)len );
4161 // read remainder of the rid
4162 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4170 /* Note, that we are using BAP1 which is also used by transmit, so
4171 * make sure this isnt called when a transmit is happening */
4172 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4173 const void *pBuf, int len, int lock)
4178 *(__le16*)pBuf = cpu_to_le16((u16)len);
4181 if (down_interruptible(&ai->sem))
4184 if (test_bit(FLAG_MPI,&ai->flags)) {
4188 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4189 airo_print_err(ai->dev->name,
4190 "%s: MAC should be disabled (rid=%04x)",
4192 memset(&cmd, 0, sizeof(cmd));
4193 memset(&rsp, 0, sizeof(rsp));
4195 ai->config_desc.rid_desc.valid = 1;
4196 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4197 ai->config_desc.rid_desc.rid = 0;
4199 cmd.cmd = CMD_WRITERID;
4202 memcpy_toio(ai->config_desc.card_ram_off,
4203 &ai->config_desc.rid_desc, sizeof(Rid));
4205 if (len < 4 || len > 2047) {
4206 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4209 memcpy((char *)ai->config_desc.virtual_host_addr,
4212 rc = issuecommand(ai, &cmd, &rsp);
4213 if ((rc & 0xff00) != 0) {
4214 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4216 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4220 if ((rsp.status & 0x7f00))
4224 // --- first access so that we can write the rid data
4225 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4229 // --- now write the rid data
4230 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4234 bap_write(ai, pBuf, len, BAP1);
4235 // ---now commit the rid data
4236 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 /* Allocates a FID to be used for transmitting packets. We only use
4246 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4248 unsigned int loop = 3000;
4254 cmd.cmd = CMD_ALLOCATETX;
4255 cmd.parm0 = lenPayload;
4256 if (down_interruptible(&ai->sem))
4258 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4262 if ( (rsp.status & 0xFF00) != 0) {
4266 /* wait for the allocate event/indication
4267 * It makes me kind of nervous that this can just sit here and spin,
4268 * but in practice it only loops like four times. */
4269 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 // get the allocated fid and acknowledge
4276 txFid = IN4500(ai, TXALLOCFID);
4277 OUT4500(ai, EVACK, EV_ALLOC);
4279 /* The CARD is pretty cool since it converts the ethernet packet
4280 * into 802.11. Also note that we don't release the FID since we
4281 * will be using the same one over and over again. */
4282 /* We only have to setup the control once since we are not
4283 * releasing the fid. */
4285 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4286 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4288 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4289 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4290 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4293 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301 /* In general BAP1 is dedicated to transmiting packets. However,
4302 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4303 Make sure the BAP1 spinlock is held when this is called. */
4304 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4315 if (len <= ETH_ALEN * 2) {
4316 airo_print_warn(ai->dev->name, "Short packet %d", len);
4319 len -= ETH_ALEN * 2;
4321 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4322 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4323 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4325 miclen = sizeof(pMic);
4327 // packet is destination[6], source[6], payload[len-12]
4328 // write the payload length and dst/src/payload
4329 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4330 /* The hardware addresses aren't counted as part of the payload, so
4331 * we have to subtract the 12 bytes for the addresses off */
4332 payloadLen = cpu_to_le16(len + miclen);
4333 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4334 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4336 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4337 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4338 // issue the transmit command
4339 memset( &cmd, 0, sizeof( cmd ) );
4340 cmd.cmd = CMD_TRANSMIT;
4342 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4343 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4347 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4349 __le16 fc, payloadLen;
4353 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4354 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4358 fc = *(__le16*)pPacket;
4359 hdrlen = header_len(fc);
4362 airo_print_warn(ai->dev->name, "Short packet %d", len);
4366 /* packet is 802.11 header + payload
4367 * write the payload length and dst/src/payload */
4368 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4369 /* The 802.11 header aren't counted as part of the payload, so
4370 * we have to subtract the header bytes off */
4371 payloadLen = cpu_to_le16(len-hdrlen);
4372 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4373 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4374 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4375 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4377 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4378 // issue the transmit command
4379 memset( &cmd, 0, sizeof( cmd ) );
4380 cmd.cmd = CMD_TRANSMIT;
4382 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4383 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4388 * This is the proc_fs routines. It is a bit messier than I would
4389 * like! Feel free to clean it up!
4392 static ssize_t proc_read( struct file *file,
4393 char __user *buffer,
4397 static ssize_t proc_write( struct file *file,
4398 const char __user *buffer,
4401 static int proc_close( struct inode *inode, struct file *file );
4403 static int proc_stats_open( struct inode *inode, struct file *file );
4404 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4405 static int proc_status_open( struct inode *inode, struct file *file );
4406 static int proc_SSID_open( struct inode *inode, struct file *file );
4407 static int proc_APList_open( struct inode *inode, struct file *file );
4408 static int proc_BSSList_open( struct inode *inode, struct file *file );
4409 static int proc_config_open( struct inode *inode, struct file *file );
4410 static int proc_wepkey_open( struct inode *inode, struct file *file );
4412 static const struct file_operations proc_statsdelta_ops = {
4413 .owner = THIS_MODULE,
4415 .open = proc_statsdelta_open,
4416 .release = proc_close
4419 static const struct file_operations proc_stats_ops = {
4420 .owner = THIS_MODULE,
4422 .open = proc_stats_open,
4423 .release = proc_close
4426 static const struct file_operations proc_status_ops = {
4427 .owner = THIS_MODULE,
4429 .open = proc_status_open,
4430 .release = proc_close
4433 static const struct file_operations proc_SSID_ops = {
4434 .owner = THIS_MODULE,
4436 .write = proc_write,
4437 .open = proc_SSID_open,
4438 .release = proc_close
4441 static const struct file_operations proc_BSSList_ops = {
4442 .owner = THIS_MODULE,
4444 .write = proc_write,
4445 .open = proc_BSSList_open,
4446 .release = proc_close
4449 static const struct file_operations proc_APList_ops = {
4450 .owner = THIS_MODULE,
4452 .write = proc_write,
4453 .open = proc_APList_open,
4454 .release = proc_close
4457 static const struct file_operations proc_config_ops = {
4458 .owner = THIS_MODULE,
4460 .write = proc_write,
4461 .open = proc_config_open,
4462 .release = proc_close
4465 static const struct file_operations proc_wepkey_ops = {
4466 .owner = THIS_MODULE,
4468 .write = proc_write,
4469 .open = proc_wepkey_open,
4470 .release = proc_close
4473 static struct proc_dir_entry *airo_entry;
4482 void (*on_close) (struct inode *, struct file *);
4485 static int setup_proc_entry( struct net_device *dev,
4486 struct airo_info *apriv ) {
4487 struct proc_dir_entry *entry;
4488 /* First setup the device directory */
4489 strcpy(apriv->proc_name,dev->name);
4490 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4493 if (!apriv->proc_entry)
4495 apriv->proc_entry->uid = proc_uid;
4496 apriv->proc_entry->gid = proc_gid;
4498 /* Setup the StatsDelta */
4499 entry = proc_create_data("StatsDelta",
4500 S_IFREG | (S_IRUGO&proc_perm),
4501 apriv->proc_entry, &proc_statsdelta_ops, dev);
4503 goto fail_stats_delta;
4504 entry->uid = proc_uid;
4505 entry->gid = proc_gid;
4507 /* Setup the Stats */
4508 entry = proc_create_data("Stats",
4509 S_IFREG | (S_IRUGO&proc_perm),
4510 apriv->proc_entry, &proc_stats_ops, dev);
4513 entry->uid = proc_uid;
4514 entry->gid = proc_gid;
4516 /* Setup the Status */
4517 entry = proc_create_data("Status",
4518 S_IFREG | (S_IRUGO&proc_perm),
4519 apriv->proc_entry, &proc_status_ops, dev);
4522 entry->uid = proc_uid;
4523 entry->gid = proc_gid;
4525 /* Setup the Config */
4526 entry = proc_create_data("Config",
4527 S_IFREG | proc_perm,
4528 apriv->proc_entry, &proc_config_ops, dev);
4531 entry->uid = proc_uid;
4532 entry->gid = proc_gid;
4534 /* Setup the SSID */
4535 entry = proc_create_data("SSID",
4536 S_IFREG | proc_perm,
4537 apriv->proc_entry, &proc_SSID_ops, dev);
4540 entry->uid = proc_uid;
4541 entry->gid = proc_gid;
4543 /* Setup the APList */
4544 entry = proc_create_data("APList",
4545 S_IFREG | proc_perm,
4546 apriv->proc_entry, &proc_APList_ops, dev);
4549 entry->uid = proc_uid;
4550 entry->gid = proc_gid;
4552 /* Setup the BSSList */
4553 entry = proc_create_data("BSSList",
4554 S_IFREG | proc_perm,
4555 apriv->proc_entry, &proc_BSSList_ops, dev);
4558 entry->uid = proc_uid;
4559 entry->gid = proc_gid;
4561 /* Setup the WepKey */
4562 entry = proc_create_data("WepKey",
4563 S_IFREG | proc_perm,
4564 apriv->proc_entry, &proc_wepkey_ops, dev);
4567 entry->uid = proc_uid;
4568 entry->gid = proc_gid;
4573 remove_proc_entry("BSSList", apriv->proc_entry);
4575 remove_proc_entry("APList", apriv->proc_entry);
4577 remove_proc_entry("SSID", apriv->proc_entry);
4579 remove_proc_entry("Config", apriv->proc_entry);
4581 remove_proc_entry("Status", apriv->proc_entry);
4583 remove_proc_entry("Stats", apriv->proc_entry);
4585 remove_proc_entry("StatsDelta", apriv->proc_entry);
4587 remove_proc_entry(apriv->proc_name, airo_entry);
4592 static int takedown_proc_entry( struct net_device *dev,
4593 struct airo_info *apriv ) {
4594 if ( !apriv->proc_entry->namelen ) return 0;
4595 remove_proc_entry("Stats",apriv->proc_entry);
4596 remove_proc_entry("StatsDelta",apriv->proc_entry);
4597 remove_proc_entry("Status",apriv->proc_entry);
4598 remove_proc_entry("Config",apriv->proc_entry);
4599 remove_proc_entry("SSID",apriv->proc_entry);
4600 remove_proc_entry("APList",apriv->proc_entry);
4601 remove_proc_entry("BSSList",apriv->proc_entry);
4602 remove_proc_entry("WepKey",apriv->proc_entry);
4603 remove_proc_entry(apriv->proc_name,airo_entry);
4608 * What we want from the proc_fs is to be able to efficiently read
4609 * and write the configuration. To do this, we want to read the
4610 * configuration when the file is opened and write it when the file is
4611 * closed. So basically we allocate a read buffer at open and fill it
4612 * with data, and allocate a write buffer and read it at close.
4616 * The read routine is generic, it relies on the preallocated rbuffer
4617 * to supply the data.
4619 static ssize_t proc_read( struct file *file,
4620 char __user *buffer,
4624 struct proc_data *priv = file->private_data;
4629 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4634 * The write routine is generic, it fills in a preallocated rbuffer
4635 * to supply the data.
4637 static ssize_t proc_write( struct file *file,
4638 const char __user *buffer,
4642 loff_t pos = *offset;
4643 struct proc_data *priv = (struct proc_data*)file->private_data;
4650 if (pos >= priv->maxwritelen)
4652 if (len > priv->maxwritelen - pos)
4653 len = priv->maxwritelen - pos;
4654 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4656 if ( pos + len > priv->writelen )
4657 priv->writelen = len + file->f_pos;
4658 *offset = pos + len;
4662 static int proc_status_open(struct inode *inode, struct file *file)
4664 struct proc_data *data;
4665 struct proc_dir_entry *dp = PDE(inode);
4666 struct net_device *dev = dp->data;
4667 struct airo_info *apriv = dev->ml_priv;
4668 CapabilityRid cap_rid;
4669 StatusRid status_rid;
4673 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4675 data = (struct proc_data *)file->private_data;
4676 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4677 kfree (file->private_data);
4681 readStatusRid(apriv, &status_rid, 1);
4682 readCapabilityRid(apriv, &cap_rid, 1);
4684 mode = le16_to_cpu(status_rid.mode);
4686 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4687 mode & 1 ? "CFG ": "",
4688 mode & 2 ? "ACT ": "",
4689 mode & 0x10 ? "SYN ": "",
4690 mode & 0x20 ? "LNK ": "",
4691 mode & 0x40 ? "LEAP ": "",
4692 mode & 0x80 ? "PRIV ": "",
4693 mode & 0x100 ? "KEY ": "",
4694 mode & 0x200 ? "WEP ": "",
4695 mode & 0x8000 ? "ERR ": "");
4696 sprintf( data->rbuffer+i, "Mode: %x\n"
4697 "Signal Strength: %d\n"
4698 "Signal Quality: %d\n"
4703 "Driver Version: %s\n"
4704 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4705 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4706 "Software Version: %x\nSoftware Subversion: %x\n"
4707 "Boot block version: %x\n",
4708 le16_to_cpu(status_rid.mode),
4709 le16_to_cpu(status_rid.normalizedSignalStrength),
4710 le16_to_cpu(status_rid.signalQuality),
4711 le16_to_cpu(status_rid.SSIDlen),
4714 le16_to_cpu(status_rid.channel),
4715 le16_to_cpu(status_rid.currentXmitRate) / 2,
4720 le16_to_cpu(cap_rid.radioType),
4721 le16_to_cpu(cap_rid.country),
4722 le16_to_cpu(cap_rid.hardVer),
4723 le16_to_cpu(cap_rid.softVer),
4724 le16_to_cpu(cap_rid.softSubVer),
4725 le16_to_cpu(cap_rid.bootBlockVer));
4726 data->readlen = strlen( data->rbuffer );
4730 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4731 static int proc_statsdelta_open( struct inode *inode,
4732 struct file *file ) {
4733 if (file->f_mode&FMODE_WRITE) {
4734 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4736 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4739 static int proc_stats_open( struct inode *inode, struct file *file ) {
4740 return proc_stats_rid_open(inode, file, RID_STATS);
4743 static int proc_stats_rid_open( struct inode *inode,
4747 struct proc_data *data;
4748 struct proc_dir_entry *dp = PDE(inode);
4749 struct net_device *dev = dp->data;
4750 struct airo_info *apriv = dev->ml_priv;
4753 __le32 *vals = stats.vals;
4756 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4758 data = (struct proc_data *)file->private_data;
4759 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4760 kfree (file->private_data);
4764 readStatsRid(apriv, &stats, rid, 1);
4765 len = le16_to_cpu(stats.len);
4768 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4769 if (!statsLabels[i]) continue;
4770 if (j+strlen(statsLabels[i])+16>4096) {
4771 airo_print_warn(apriv->dev->name,
4772 "Potentially disasterous buffer overflow averted!");
4775 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4776 le32_to_cpu(vals[i]));
4779 airo_print_warn(apriv->dev->name, "Got a short rid");
4785 static int get_dec_u16( char *buffer, int *start, int limit ) {
4788 for( value = 0; buffer[*start] >= '0' &&
4789 buffer[*start] <= '9' &&
4790 *start < limit; (*start)++ ) {
4793 value += buffer[*start] - '0';
4795 if ( !valid ) return -1;
4799 static int airo_config_commit(struct net_device *dev,
4800 struct iw_request_info *info, void *zwrq,
4803 static inline int sniffing_mode(struct airo_info *ai)
4805 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4806 le16_to_cpu(RXMODE_RFMON);
4809 static void proc_config_on_close(struct inode *inode, struct file *file)
4811 struct proc_data *data = file->private_data;
4812 struct proc_dir_entry *dp = PDE(inode);
4813 struct net_device *dev = dp->data;
4814 struct airo_info *ai = dev->ml_priv;
4817 if ( !data->writelen ) return;
4819 readConfigRid(ai, 1);
4820 set_bit (FLAG_COMMIT, &ai->flags);
4822 line = data->wbuffer;
4824 /*** Mode processing */
4825 if ( !strncmp( line, "Mode: ", 6 ) ) {
4827 if (sniffing_mode(ai))
4828 set_bit (FLAG_RESET, &ai->flags);
4829 ai->config.rmode &= ~RXMODE_FULL_MASK;
4830 clear_bit (FLAG_802_11, &ai->flags);
4831 ai->config.opmode &= ~MODE_CFG_MASK;
4832 ai->config.scanMode = SCANMODE_ACTIVE;
4833 if ( line[0] == 'a' ) {
4834 ai->config.opmode |= MODE_STA_IBSS;
4836 ai->config.opmode |= MODE_STA_ESS;
4837 if ( line[0] == 'r' ) {
4838 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4839 ai->config.scanMode = SCANMODE_PASSIVE;
4840 set_bit (FLAG_802_11, &ai->flags);
4841 } else if ( line[0] == 'y' ) {
4842 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'l' )
4846 ai->config.rmode |= RXMODE_LANMON;
4848 set_bit (FLAG_COMMIT, &ai->flags);
4851 /*** Radio status */
4852 else if (!strncmp(line,"Radio: ", 7)) {
4854 if (!strncmp(line,"off",3)) {
4855 set_bit (FLAG_RADIO_OFF, &ai->flags);
4857 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4860 /*** NodeName processing */
4861 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4865 memset( ai->config.nodeName, 0, 16 );
4866 /* Do the name, assume a space between the mode and node name */
4867 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4868 ai->config.nodeName[j] = line[j];
4870 set_bit (FLAG_COMMIT, &ai->flags);
4873 /*** PowerMode processing */
4874 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4876 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4877 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 } else if ( !strncmp( line, "PSP", 3 ) ) {
4880 ai->config.powerSaveMode = POWERSAVE_PSP;
4881 set_bit (FLAG_COMMIT, &ai->flags);
4883 ai->config.powerSaveMode = POWERSAVE_CAM;
4884 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4887 int v, i = 0, k = 0; /* i is index into line,
4888 k is index to rates */
4891 while((v = get_dec_u16(line, &i, 3))!=-1) {
4892 ai->config.rates[k++] = (u8)v;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4897 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4900 v = get_dec_u16(line, &i, i+3);
4902 ai->config.channelSet = cpu_to_le16(v);
4903 set_bit (FLAG_COMMIT, &ai->flags);
4905 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4908 v = get_dec_u16(line, &i, i+3);
4910 ai->config.txPower = cpu_to_le16(v);
4911 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4917 ai->config.authType = AUTH_SHAREDKEY;
4920 ai->config.authType = AUTH_ENCRYPT;
4923 ai->config.authType = AUTH_OPEN;
4926 set_bit (FLAG_COMMIT, &ai->flags);
4927 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4931 v = get_dec_u16(line, &i, 3);
4932 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4933 ai->config.longRetryLimit = cpu_to_le16(v);
4934 set_bit (FLAG_COMMIT, &ai->flags);
4935 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4939 v = get_dec_u16(line, &i, 3);
4940 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4941 ai->config.shortRetryLimit = cpu_to_le16(v);
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4947 v = get_dec_u16(line, &i, 4);
4948 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4949 ai->config.rtsThres = cpu_to_le16(v);
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4955 v = get_dec_u16(line, &i, 5);
4957 ai->config.txLifetime = cpu_to_le16(v);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4963 v = get_dec_u16(line, &i, 5);
4965 ai->config.rxLifetime = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4968 ai->config.txDiversity =
4969 (line[13]=='l') ? 1 :
4970 ((line[13]=='r')? 2: 3);
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4973 ai->config.rxDiversity =
4974 (line[13]=='l') ? 1 :
4975 ((line[13]=='r')? 2: 3);
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4981 v = get_dec_u16(line, &i, 4);
4982 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4983 v = v & 0xfffe; /* Make sure its even */
4984 ai->config.fragThresh = cpu_to_le16(v);
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if (!strncmp(line, "Modulation: ", 12)) {
4989 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4992 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4994 } else if (!strncmp(line, "Preamble: ", 10)) {
4997 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5003 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5005 while( line[0] && line[0] != '\n' ) line++;
5006 if ( line[0] ) line++;
5008 airo_config_commit(dev, NULL, NULL, NULL);
5011 static char *get_rmode(__le16 mode)
5013 switch(mode & RXMODE_MASK) {
5014 case RXMODE_RFMON: return "rfmon";
5015 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5016 case RXMODE_LANMON: return "lanmon";
5021 static int proc_config_open(struct inode *inode, struct file *file)
5023 struct proc_data *data;
5024 struct proc_dir_entry *dp = PDE(inode);
5025 struct net_device *dev = dp->data;
5026 struct airo_info *ai = dev->ml_priv;
5030 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5032 data = (struct proc_data *)file->private_data;
5033 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5034 kfree (file->private_data);
5037 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (data->rbuffer);
5039 kfree (file->private_data);
5042 data->maxwritelen = 2048;
5043 data->on_close = proc_config_on_close;
5045 readConfigRid(ai, 1);
5047 mode = ai->config.opmode & MODE_CFG_MASK;
5048 i = sprintf( data->rbuffer,
5053 "DataRates: %d %d %d %d %d %d %d %d\n"
5056 mode == MODE_STA_IBSS ? "adhoc" :
5057 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5058 mode == MODE_AP ? "AP" :
5059 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5060 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5061 ai->config.nodeName,
5062 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5063 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5064 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5066 (int)ai->config.rates[0],
5067 (int)ai->config.rates[1],
5068 (int)ai->config.rates[2],
5069 (int)ai->config.rates[3],
5070 (int)ai->config.rates[4],
5071 (int)ai->config.rates[5],
5072 (int)ai->config.rates[6],
5073 (int)ai->config.rates[7],
5074 le16_to_cpu(ai->config.channelSet),
5075 le16_to_cpu(ai->config.txPower)
5077 sprintf( data->rbuffer + i,
5078 "LongRetryLimit: %d\n"
5079 "ShortRetryLimit: %d\n"
5080 "RTSThreshold: %d\n"
5081 "TXMSDULifetime: %d\n"
5082 "RXMSDULifetime: %d\n"
5085 "FragThreshold: %d\n"
5089 le16_to_cpu(ai->config.longRetryLimit),
5090 le16_to_cpu(ai->config.shortRetryLimit),
5091 le16_to_cpu(ai->config.rtsThres),
5092 le16_to_cpu(ai->config.txLifetime),
5093 le16_to_cpu(ai->config.rxLifetime),
5094 ai->config.txDiversity == 1 ? "left" :
5095 ai->config.txDiversity == 2 ? "right" : "both",
5096 ai->config.rxDiversity == 1 ? "left" :
5097 ai->config.rxDiversity == 2 ? "right" : "both",
5098 le16_to_cpu(ai->config.fragThresh),
5099 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5100 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5101 ai->config.modulation == MOD_DEFAULT ? "default" :
5102 ai->config.modulation == MOD_CCK ? "cck" :
5103 ai->config.modulation == MOD_MOK ? "mok" : "error",
5104 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5105 ai->config.preamble == PREAMBLE_LONG ? "long" :
5106 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5108 data->readlen = strlen( data->rbuffer );
5112 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5114 struct proc_data *data = (struct proc_data *)file->private_data;
5115 struct proc_dir_entry *dp = PDE(inode);
5116 struct net_device *dev = dp->data;
5117 struct airo_info *ai = dev->ml_priv;
5120 char *p = data->wbuffer;
5121 char *end = p + data->writelen;
5123 if (!data->writelen)
5126 *end = '\n'; /* sentinel; we have space for it */
5128 memset(&SSID_rid, 0, sizeof(SSID_rid));
5130 for (i = 0; i < 3 && p < end; i++) {
5132 /* copy up to 32 characters from this line */
5133 while (*p != '\n' && j < 32)
5134 SSID_rid.ssids[i].ssid[j++] = *p++;
5137 SSID_rid.ssids[i].len = cpu_to_le16(j);
5138 /* skip to the beginning of the next line */
5139 while (*p++ != '\n')
5143 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5145 writeSsidRid(ai, &SSID_rid, 1);
5149 static inline u8 hexVal(char c) {
5150 if (c>='0' && c<='9') return c -= '0';
5151 if (c>='a' && c<='f') return c -= 'a'-10;
5152 if (c>='A' && c<='F') return c -= 'A'-10;
5156 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5157 struct proc_data *data = (struct proc_data *)file->private_data;
5158 struct proc_dir_entry *dp = PDE(inode);
5159 struct net_device *dev = dp->data;
5160 struct airo_info *ai = dev->ml_priv;
5161 APListRid APList_rid;
5164 if ( !data->writelen ) return;
5166 memset( &APList_rid, 0, sizeof(APList_rid) );
5167 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5169 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5171 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5174 APList_rid.ap[i][j/3]=
5175 hexVal(data->wbuffer[j+i*6*3])<<4;
5178 APList_rid.ap[i][j/3]|=
5179 hexVal(data->wbuffer[j+i*6*3]);
5185 writeAPListRid(ai, &APList_rid, 1);
5189 /* This function wraps PC4500_writerid with a MAC disable */
5190 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5191 int len, int dummy ) {
5195 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5200 /* Returns the WEP key at the specified index, or -1 if that key does
5201 * not exist. The buffer is assumed to be at least 16 bytes in length.
5203 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5209 rc = readWepKeyRid(ai, &wkr, 1, 1);
5213 lastindex = wkr.kindex;
5214 if (le16_to_cpu(wkr.kindex) == index) {
5215 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5216 memcpy(buf, wkr.key, klen);
5219 rc = readWepKeyRid(ai, &wkr, 0, 1);
5222 } while (lastindex != wkr.kindex);
5226 static int get_wep_tx_idx(struct airo_info *ai)
5232 rc = readWepKeyRid(ai, &wkr, 1, 1);
5236 lastindex = wkr.kindex;
5237 if (wkr.kindex == cpu_to_le16(0xffff))
5239 rc = readWepKeyRid(ai, &wkr, 0, 1);
5242 } while (lastindex != wkr.kindex);
5246 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5247 u16 keylen, int perm, int lock)
5249 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5254 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5259 memset(&wkr, 0, sizeof(wkr));
5260 wkr.len = cpu_to_le16(sizeof(wkr));
5261 wkr.kindex = cpu_to_le16(index);
5262 wkr.klen = cpu_to_le16(keylen);
5263 memcpy(wkr.key, key, keylen);
5264 memcpy(wkr.mac, macaddr, ETH_ALEN);
5266 if (perm) disable_MAC(ai, lock);
5267 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5268 if (perm) enable_MAC(ai, lock);
5272 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5277 memset(&wkr, 0, sizeof(wkr));
5278 wkr.len = cpu_to_le16(sizeof(wkr));
5279 wkr.kindex = cpu_to_le16(0xffff);
5280 wkr.mac[0] = (char)index;
5283 ai->defindex = (char)index;
5284 disable_MAC(ai, lock);
5287 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5290 enable_MAC(ai, lock);
5294 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5295 struct proc_data *data;
5296 struct proc_dir_entry *dp = PDE(inode);
5297 struct net_device *dev = dp->data;
5298 struct airo_info *ai = dev->ml_priv;
5304 memset(key, 0, sizeof(key));
5306 data = (struct proc_data *)file->private_data;
5307 if ( !data->writelen ) return;
5309 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5310 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5311 index = data->wbuffer[0] - '0';
5312 if (data->wbuffer[1] == '\n') {
5313 rc = set_wep_tx_idx(ai, index, 1, 1);
5315 airo_print_err(ai->dev->name, "failed to set "
5316 "WEP transmit index to %d: %d.",
5323 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5327 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5330 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5333 key[i/3] |= hexVal(data->wbuffer[i+j]);
5338 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5340 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5341 "%d: %d.", index, rc);
5345 static int proc_wepkey_open( struct inode *inode, struct file *file )
5347 struct proc_data *data;
5348 struct proc_dir_entry *dp = PDE(inode);
5349 struct net_device *dev = dp->data;
5350 struct airo_info *ai = dev->ml_priv;
5357 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5359 memset(&wkr, 0, sizeof(wkr));
5360 data = (struct proc_data *)file->private_data;
5361 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5362 kfree (file->private_data);
5366 data->maxwritelen = 80;
5367 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5368 kfree (data->rbuffer);
5369 kfree (file->private_data);
5372 data->on_close = proc_wepkey_on_close;
5374 ptr = data->rbuffer;
5375 strcpy(ptr, "No wep keys\n");
5376 rc = readWepKeyRid(ai, &wkr, 1, 1);
5377 if (rc == SUCCESS) do {
5378 lastindex = wkr.kindex;
5379 if (wkr.kindex == cpu_to_le16(0xffff)) {
5380 j += sprintf(ptr+j, "Tx key = %d\n",
5383 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5384 le16_to_cpu(wkr.kindex),
5385 le16_to_cpu(wkr.klen));
5387 readWepKeyRid(ai, &wkr, 0, 1);
5388 } while((lastindex != wkr.kindex) && (j < 180-30));
5390 data->readlen = strlen( data->rbuffer );
5394 static int proc_SSID_open(struct inode *inode, struct file *file)
5396 struct proc_data *data;
5397 struct proc_dir_entry *dp = PDE(inode);
5398 struct net_device *dev = dp->data;
5399 struct airo_info *ai = dev->ml_priv;
5404 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5406 data = (struct proc_data *)file->private_data;
5407 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5408 kfree (file->private_data);
5412 data->maxwritelen = 33*3;
5413 /* allocate maxwritelen + 1; we'll want a sentinel */
5414 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5415 kfree (data->rbuffer);
5416 kfree (file->private_data);
5419 data->on_close = proc_SSID_on_close;
5421 readSsidRid(ai, &SSID_rid);
5422 ptr = data->rbuffer;
5423 for (i = 0; i < 3; i++) {
5425 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5430 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5431 *ptr++ = SSID_rid.ssids[i].ssid[j];
5435 data->readlen = strlen( data->rbuffer );
5439 static int proc_APList_open( struct inode *inode, struct file *file ) {
5440 struct proc_data *data;
5441 struct proc_dir_entry *dp = PDE(inode);
5442 struct net_device *dev = dp->data;
5443 struct airo_info *ai = dev->ml_priv;
5446 APListRid APList_rid;
5448 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5450 data = (struct proc_data *)file->private_data;
5451 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5452 kfree (file->private_data);
5456 data->maxwritelen = 4*6*3;
5457 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5458 kfree (data->rbuffer);
5459 kfree (file->private_data);
5462 data->on_close = proc_APList_on_close;
5464 readAPListRid(ai, &APList_rid);
5465 ptr = data->rbuffer;
5466 for( i = 0; i < 4; i++ ) {
5467 // We end when we find a zero MAC
5468 if ( !*(int*)APList_rid.ap[i] &&
5469 !*(int*)&APList_rid.ap[i][2]) break;
5470 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5472 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5475 data->readlen = strlen( data->rbuffer );
5479 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5480 struct proc_data *data;
5481 struct proc_dir_entry *dp = PDE(inode);
5482 struct net_device *dev = dp->data;
5483 struct airo_info *ai = dev->ml_priv;
5485 BSSListRid BSSList_rid;
5487 /* If doLoseSync is not 1, we won't do a Lose Sync */
5488 int doLoseSync = -1;
5490 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5492 data = (struct proc_data *)file->private_data;
5493 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5494 kfree (file->private_data);
5498 data->maxwritelen = 0;
5499 data->wbuffer = NULL;
5500 data->on_close = NULL;
5502 if (file->f_mode & FMODE_WRITE) {
5503 if (!(file->f_mode & FMODE_READ)) {
5507 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5508 memset(&cmd, 0, sizeof(cmd));
5509 cmd.cmd=CMD_LISTBSS;
5510 if (down_interruptible(&ai->sem))
5511 return -ERESTARTSYS;
5512 issuecommand(ai, &cmd, &rsp);
5519 ptr = data->rbuffer;
5520 /* There is a race condition here if there are concurrent opens.
5521 Since it is a rare condition, we'll just live with it, otherwise
5522 we have to add a spin lock... */
5523 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5524 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5525 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5527 (int)BSSList_rid.ssidLen,
5529 le16_to_cpu(BSSList_rid.dBm));
5530 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5531 le16_to_cpu(BSSList_rid.dsChannel),
5532 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5533 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5534 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5535 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5536 rc = readBSSListRid(ai, 0, &BSSList_rid);
5539 data->readlen = strlen( data->rbuffer );
5543 static int proc_close( struct inode *inode, struct file *file )
5545 struct proc_data *data = file->private_data;
5547 if (data->on_close != NULL)
5548 data->on_close(inode, file);
5549 kfree(data->rbuffer);
5550 kfree(data->wbuffer);
5555 /* Since the card doesn't automatically switch to the right WEP mode,
5556 we will make it do it. If the card isn't associated, every secs we
5557 will switch WEP modes to see if that will help. If the card is
5558 associated we will check every minute to see if anything has
5560 static void timer_func( struct net_device *dev ) {
5561 struct airo_info *apriv = dev->ml_priv;
5563 /* We don't have a link so try changing the authtype */
5564 readConfigRid(apriv, 0);
5565 disable_MAC(apriv, 0);
5566 switch(apriv->config.authType) {
5568 /* So drop to OPEN */
5569 apriv->config.authType = AUTH_OPEN;
5571 case AUTH_SHAREDKEY:
5572 if (apriv->keyindex < auto_wep) {
5573 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5574 apriv->config.authType = AUTH_SHAREDKEY;
5577 /* Drop to ENCRYPT */
5578 apriv->keyindex = 0;
5579 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5580 apriv->config.authType = AUTH_ENCRYPT;
5583 default: /* We'll escalate to SHAREDKEY */
5584 apriv->config.authType = AUTH_SHAREDKEY;
5586 set_bit (FLAG_COMMIT, &apriv->flags);
5587 writeConfigRid(apriv, 0);
5588 enable_MAC(apriv, 0);
5591 /* Schedule check to see if the change worked */
5592 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5593 apriv->expires = RUN_AT(HZ*3);
5597 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5598 const struct pci_device_id *pent)
5600 struct net_device *dev;
5602 if (pci_enable_device(pdev))
5604 pci_set_master(pdev);
5606 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5607 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5609 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5611 pci_disable_device(pdev);
5615 pci_set_drvdata(pdev, dev);
5619 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5621 struct net_device *dev = pci_get_drvdata(pdev);
5623 airo_print_info(dev->name, "Unregistering...");
5624 stop_airo_card(dev, 1);
5625 pci_disable_device(pdev);
5626 pci_set_drvdata(pdev, NULL);
5629 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5631 struct net_device *dev = pci_get_drvdata(pdev);
5632 struct airo_info *ai = dev->ml_priv;
5637 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5641 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5644 readAPListRid(ai, ai->APList);
5645 readSsidRid(ai, ai->SSID);
5646 memset(&cmd, 0, sizeof(cmd));
5647 /* the lock will be released at the end of the resume callback */
5648 if (down_interruptible(&ai->sem))
5651 netif_device_detach(dev);
5653 cmd.cmd = HOSTSLEEP;
5654 issuecommand(ai, &cmd, &rsp);
5656 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5657 pci_save_state(pdev);
5658 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5661 static int airo_pci_resume(struct pci_dev *pdev)
5663 struct net_device *dev = pci_get_drvdata(pdev);
5664 struct airo_info *ai = dev->ml_priv;
5665 pci_power_t prev_state = pdev->current_state;
5667 pci_set_power_state(pdev, PCI_D0);
5668 pci_restore_state(pdev);
5669 pci_enable_wake(pdev, PCI_D0, 0);
5671 if (prev_state != PCI_D1) {
5673 mpi_init_descriptors(ai);
5674 setup_card(ai, dev->dev_addr, 0);
5675 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5676 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5678 OUT4500(ai, EVACK, EV_AWAKEN);
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5683 set_bit(FLAG_COMMIT, &ai->flags);
5687 writeSsidRid(ai, ai->SSID, 0);
5692 writeAPListRid(ai, ai->APList, 0);
5696 writeConfigRid(ai, 0);
5698 ai->power = PMSG_ON;
5699 netif_device_attach(dev);
5700 netif_wake_queue(dev);
5701 enable_interrupts(ai);
5707 static int __init airo_init_module( void )
5711 airo_entry = create_proc_entry("driver/aironet",
5712 S_IFDIR | airo_perm,
5716 airo_entry->uid = proc_uid;
5717 airo_entry->gid = proc_gid;
5720 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5721 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5722 "io=0x%x", irq[i], io[i] );
5723 if (init_airo_card( irq[i], io[i], 0, NULL ))
5728 airo_print_info("", "Probing for PCI adapters");
5729 i = pci_register_driver(&airo_driver);
5730 airo_print_info("", "Finished probing for PCI adapters");
5733 remove_proc_entry("driver/aironet", NULL);
5738 /* Always exit with success, as we are a library module
5739 * as well as a driver module
5744 static void __exit airo_cleanup_module( void )
5746 struct airo_info *ai;
5747 while(!list_empty(&airo_devices)) {
5748 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5749 airo_print_info(ai->dev->name, "Unregistering...");
5750 stop_airo_card(ai->dev, 1);
5753 pci_unregister_driver(&airo_driver);
5755 remove_proc_entry("driver/aironet", NULL);
5759 * Initial Wireless Extension code for Aironet driver by :
5760 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5761 * Conversion to new driver API by :
5762 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5763 * Javier also did a good amount of work here, adding some new extensions
5764 * and fixing my code. Let's just say that without him this code just
5765 * would not work at all... - Jean II
5768 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5773 return (0x100 - rssi_rid[rssi].rssidBm);
5776 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5783 for (i = 0; i < 256; i++)
5784 if (rssi_rid[i].rssidBm == dbm)
5785 return rssi_rid[i].rssipct;
5791 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5796 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5799 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5802 sq = le16_to_cpu(status_rid->signalQuality);
5803 if (memcmp(cap_rid->prodName, "350", 3))
5807 quality = 0x20 - sq;
5814 quality = 0xb0 - sq;
5818 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5819 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5821 /*------------------------------------------------------------------*/
5823 * Wireless Handler : get protocol name
5825 static int airo_get_name(struct net_device *dev,
5826 struct iw_request_info *info,
5830 strcpy(cwrq, "IEEE 802.11-DS");
5834 /*------------------------------------------------------------------*/
5836 * Wireless Handler : set frequency
5838 static int airo_set_freq(struct net_device *dev,
5839 struct iw_request_info *info,
5840 struct iw_freq *fwrq,
5843 struct airo_info *local = dev->ml_priv;
5844 int rc = -EINPROGRESS; /* Call commit handler */
5846 /* If setting by frequency, convert to a channel */
5848 int f = fwrq->m / 100000;
5850 /* Hack to fall through... */
5852 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5854 /* Setting by channel number */
5855 if((fwrq->m > 1000) || (fwrq->e > 0))
5858 int channel = fwrq->m;
5859 /* We should do a better check than that,
5860 * based on the card capability !!! */
5861 if((channel < 1) || (channel > 14)) {
5862 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5866 readConfigRid(local, 1);
5867 /* Yes ! We can set it !!! */
5868 local->config.channelSet = cpu_to_le16(channel);
5869 set_bit (FLAG_COMMIT, &local->flags);
5875 /*------------------------------------------------------------------*/
5877 * Wireless Handler : get frequency
5879 static int airo_get_freq(struct net_device *dev,
5880 struct iw_request_info *info,
5881 struct iw_freq *fwrq,
5884 struct airo_info *local = dev->ml_priv;
5885 StatusRid status_rid; /* Card status info */
5888 readConfigRid(local, 1);
5889 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5890 status_rid.channel = local->config.channelSet;
5892 readStatusRid(local, &status_rid, 1);
5894 ch = le16_to_cpu(status_rid.channel);
5895 if((ch > 0) && (ch < 15)) {
5896 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5906 /*------------------------------------------------------------------*/
5908 * Wireless Handler : set ESSID
5910 static int airo_set_essid(struct net_device *dev,
5911 struct iw_request_info *info,
5912 struct iw_point *dwrq,
5915 struct airo_info *local = dev->ml_priv;
5916 SsidRid SSID_rid; /* SSIDs */
5918 /* Reload the list of current SSID */
5919 readSsidRid(local, &SSID_rid);
5921 /* Check if we asked for `any' */
5922 if(dwrq->flags == 0) {
5923 /* Just send an empty SSID list */
5924 memset(&SSID_rid, 0, sizeof(SSID_rid));
5926 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5928 /* Check the size of the string */
5929 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5932 /* Check if index is valid */
5933 if((index < 0) || (index >= 4)) {
5938 memset(SSID_rid.ssids[index].ssid, 0,
5939 sizeof(SSID_rid.ssids[index].ssid));
5940 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5941 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5943 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5944 /* Write it to the card */
5945 disable_MAC(local, 1);
5946 writeSsidRid(local, &SSID_rid, 1);
5947 enable_MAC(local, 1);
5952 /*------------------------------------------------------------------*/
5954 * Wireless Handler : get ESSID
5956 static int airo_get_essid(struct net_device *dev,
5957 struct iw_request_info *info,
5958 struct iw_point *dwrq,
5961 struct airo_info *local = dev->ml_priv;
5962 StatusRid status_rid; /* Card status info */
5964 readStatusRid(local, &status_rid, 1);
5966 /* Note : if dwrq->flags != 0, we should
5967 * get the relevant SSID from the SSID list... */
5969 /* Get the current SSID */
5970 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5971 /* If none, we may want to get the one that was set */
5974 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5975 dwrq->flags = 1; /* active */
5980 /*------------------------------------------------------------------*/
5982 * Wireless Handler : set AP address
5984 static int airo_set_wap(struct net_device *dev,
5985 struct iw_request_info *info,
5986 struct sockaddr *awrq,
5989 struct airo_info *local = dev->ml_priv;
5992 APListRid APList_rid;
5993 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5994 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5996 if (awrq->sa_family != ARPHRD_ETHER)
5998 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5999 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6000 memset(&cmd, 0, sizeof(cmd));
6001 cmd.cmd=CMD_LOSE_SYNC;
6002 if (down_interruptible(&local->sem))
6003 return -ERESTARTSYS;
6004 issuecommand(local, &cmd, &rsp);
6007 memset(&APList_rid, 0, sizeof(APList_rid));
6008 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6009 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6010 disable_MAC(local, 1);
6011 writeAPListRid(local, &APList_rid, 1);
6012 enable_MAC(local, 1);
6017 /*------------------------------------------------------------------*/
6019 * Wireless Handler : get AP address
6021 static int airo_get_wap(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct sockaddr *awrq,
6026 struct airo_info *local = dev->ml_priv;
6027 StatusRid status_rid; /* Card status info */
6029 readStatusRid(local, &status_rid, 1);
6031 /* Tentative. This seems to work, wow, I'm lucky !!! */
6032 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6033 awrq->sa_family = ARPHRD_ETHER;
6038 /*------------------------------------------------------------------*/
6040 * Wireless Handler : set Nickname
6042 static int airo_set_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 /* Check the size of the string */
6050 if(dwrq->length > 16) {
6053 readConfigRid(local, 1);
6054 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6055 memcpy(local->config.nodeName, extra, dwrq->length);
6056 set_bit (FLAG_COMMIT, &local->flags);
6058 return -EINPROGRESS; /* Call commit handler */
6061 /*------------------------------------------------------------------*/
6063 * Wireless Handler : get Nickname
6065 static int airo_get_nick(struct net_device *dev,
6066 struct iw_request_info *info,
6067 struct iw_point *dwrq,
6070 struct airo_info *local = dev->ml_priv;
6072 readConfigRid(local, 1);
6073 strncpy(extra, local->config.nodeName, 16);
6075 dwrq->length = strlen(extra);
6080 /*------------------------------------------------------------------*/
6082 * Wireless Handler : set Bit-Rate
6084 static int airo_set_rate(struct net_device *dev,
6085 struct iw_request_info *info,
6086 struct iw_param *vwrq,
6089 struct airo_info *local = dev->ml_priv;
6090 CapabilityRid cap_rid; /* Card capability info */
6094 /* First : get a valid bit rate value */
6095 readCapabilityRid(local, &cap_rid, 1);
6097 /* Which type of value ? */
6098 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6099 /* Setting by rate index */
6100 /* Find value in the magic rate table */
6101 brate = cap_rid.supportedRates[vwrq->value];
6103 /* Setting by frequency value */
6104 u8 normvalue = (u8) (vwrq->value/500000);
6106 /* Check if rate is valid */
6107 for(i = 0 ; i < 8 ; i++) {
6108 if(normvalue == cap_rid.supportedRates[i]) {
6114 /* -1 designed the max rate (mostly auto mode) */
6115 if(vwrq->value == -1) {
6116 /* Get the highest available rate */
6117 for(i = 0 ; i < 8 ; i++) {
6118 if(cap_rid.supportedRates[i] == 0)
6122 brate = cap_rid.supportedRates[i - 1];
6124 /* Check that it is valid */
6129 readConfigRid(local, 1);
6130 /* Now, check if we want a fixed or auto value */
6131 if(vwrq->fixed == 0) {
6132 /* Fill all the rates up to this max rate */
6133 memset(local->config.rates, 0, 8);
6134 for(i = 0 ; i < 8 ; i++) {
6135 local->config.rates[i] = cap_rid.supportedRates[i];
6136 if(local->config.rates[i] == brate)
6141 /* One rate, fixed */
6142 memset(local->config.rates, 0, 8);
6143 local->config.rates[0] = brate;
6145 set_bit (FLAG_COMMIT, &local->flags);
6147 return -EINPROGRESS; /* Call commit handler */
6150 /*------------------------------------------------------------------*/
6152 * Wireless Handler : get Bit-Rate
6154 static int airo_get_rate(struct net_device *dev,
6155 struct iw_request_info *info,
6156 struct iw_param *vwrq,
6159 struct airo_info *local = dev->ml_priv;
6160 StatusRid status_rid; /* Card status info */
6162 readStatusRid(local, &status_rid, 1);
6164 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6165 /* If more than one rate, set auto */
6166 readConfigRid(local, 1);
6167 vwrq->fixed = (local->config.rates[1] == 0);
6172 /*------------------------------------------------------------------*/
6174 * Wireless Handler : set RTS threshold
6176 static int airo_set_rts(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_param *vwrq,
6181 struct airo_info *local = dev->ml_priv;
6182 int rthr = vwrq->value;
6185 rthr = AIRO_DEF_MTU;
6186 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6189 readConfigRid(local, 1);
6190 local->config.rtsThres = cpu_to_le16(rthr);
6191 set_bit (FLAG_COMMIT, &local->flags);
6193 return -EINPROGRESS; /* Call commit handler */
6196 /*------------------------------------------------------------------*/
6198 * Wireless Handler : get RTS threshold
6200 static int airo_get_rts(struct net_device *dev,
6201 struct iw_request_info *info,
6202 struct iw_param *vwrq,
6205 struct airo_info *local = dev->ml_priv;
6207 readConfigRid(local, 1);
6208 vwrq->value = le16_to_cpu(local->config.rtsThres);
6209 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6215 /*------------------------------------------------------------------*/
6217 * Wireless Handler : set Fragmentation threshold
6219 static int airo_set_frag(struct net_device *dev,
6220 struct iw_request_info *info,
6221 struct iw_param *vwrq,
6224 struct airo_info *local = dev->ml_priv;
6225 int fthr = vwrq->value;
6228 fthr = AIRO_DEF_MTU;
6229 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6232 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6233 readConfigRid(local, 1);
6234 local->config.fragThresh = cpu_to_le16(fthr);
6235 set_bit (FLAG_COMMIT, &local->flags);
6237 return -EINPROGRESS; /* Call commit handler */
6240 /*------------------------------------------------------------------*/
6242 * Wireless Handler : get Fragmentation threshold
6244 static int airo_get_frag(struct net_device *dev,
6245 struct iw_request_info *info,
6246 struct iw_param *vwrq,
6249 struct airo_info *local = dev->ml_priv;
6251 readConfigRid(local, 1);
6252 vwrq->value = le16_to_cpu(local->config.fragThresh);
6253 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6259 /*------------------------------------------------------------------*/
6261 * Wireless Handler : set Mode of Operation
6263 static int airo_set_mode(struct net_device *dev,
6264 struct iw_request_info *info,
6268 struct airo_info *local = dev->ml_priv;
6271 readConfigRid(local, 1);
6272 if (sniffing_mode(local))
6277 local->config.opmode &= ~MODE_CFG_MASK;
6278 local->config.opmode |= MODE_STA_IBSS;
6279 local->config.rmode &= ~RXMODE_FULL_MASK;
6280 local->config.scanMode = SCANMODE_ACTIVE;
6281 clear_bit (FLAG_802_11, &local->flags);
6284 local->config.opmode &= ~MODE_CFG_MASK;
6285 local->config.opmode |= MODE_STA_ESS;
6286 local->config.rmode &= ~RXMODE_FULL_MASK;
6287 local->config.scanMode = SCANMODE_ACTIVE;
6288 clear_bit (FLAG_802_11, &local->flags);
6290 case IW_MODE_MASTER:
6291 local->config.opmode &= ~MODE_CFG_MASK;
6292 local->config.opmode |= MODE_AP;
6293 local->config.rmode &= ~RXMODE_FULL_MASK;
6294 local->config.scanMode = SCANMODE_ACTIVE;
6295 clear_bit (FLAG_802_11, &local->flags);
6297 case IW_MODE_REPEAT:
6298 local->config.opmode &= ~MODE_CFG_MASK;
6299 local->config.opmode |= MODE_AP_RPTR;
6300 local->config.rmode &= ~RXMODE_FULL_MASK;
6301 local->config.scanMode = SCANMODE_ACTIVE;
6302 clear_bit (FLAG_802_11, &local->flags);
6304 case IW_MODE_MONITOR:
6305 local->config.opmode &= ~MODE_CFG_MASK;
6306 local->config.opmode |= MODE_STA_ESS;
6307 local->config.rmode &= ~RXMODE_FULL_MASK;
6308 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6309 local->config.scanMode = SCANMODE_PASSIVE;
6310 set_bit (FLAG_802_11, &local->flags);
6316 set_bit (FLAG_RESET, &local->flags);
6317 set_bit (FLAG_COMMIT, &local->flags);
6319 return -EINPROGRESS; /* Call commit handler */
6322 /*------------------------------------------------------------------*/
6324 * Wireless Handler : get Mode of Operation
6326 static int airo_get_mode(struct net_device *dev,
6327 struct iw_request_info *info,
6331 struct airo_info *local = dev->ml_priv;
6333 readConfigRid(local, 1);
6334 /* If not managed, assume it's ad-hoc */
6335 switch (local->config.opmode & MODE_CFG_MASK) {
6337 *uwrq = IW_MODE_INFRA;
6340 *uwrq = IW_MODE_MASTER;
6343 *uwrq = IW_MODE_REPEAT;
6346 *uwrq = IW_MODE_ADHOC;
6352 static inline int valid_index(struct airo_info *ai, int index)
6354 return (index >= 0) && (index <= ai->max_wep_idx);
6357 /*------------------------------------------------------------------*/
6359 * Wireless Handler : set Encryption Key
6361 static int airo_set_encode(struct net_device *dev,
6362 struct iw_request_info *info,
6363 struct iw_point *dwrq,
6366 struct airo_info *local = dev->ml_priv;
6367 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6368 __le16 currentAuthType = local->config.authType;
6371 if (!local->wep_capable)
6374 readConfigRid(local, 1);
6376 /* Basic checking: do we have a key to set ?
6377 * Note : with the new API, it's impossible to get a NULL pointer.
6378 * Therefore, we need to check a key size == 0 instead.
6379 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6380 * when no key is present (only change flags), but older versions
6381 * don't do it. - Jean II */
6382 if (dwrq->length > 0) {
6384 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 /* Check the size of the key */
6388 if (dwrq->length > MAX_KEY_SIZE) {
6392 current_index = get_wep_tx_idx(local);
6393 if (current_index < 0)
6396 /* Check the index (none -> use current) */
6397 if (!valid_index(local, index))
6398 index = current_index;
6400 /* Set the length */
6401 if (dwrq->length > MIN_KEY_SIZE)
6402 key.len = MAX_KEY_SIZE;
6404 if (dwrq->length > 0)
6405 key.len = MIN_KEY_SIZE;
6407 /* Disable the key */
6409 /* Check if the key is not marked as invalid */
6410 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6412 memset(key.key, 0, MAX_KEY_SIZE);
6413 /* Copy the key in the driver */
6414 memcpy(key.key, extra, dwrq->length);
6415 /* Send the key to the card */
6416 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6418 airo_print_err(local->dev->name, "failed to set"
6419 " WEP key at index %d: %d.",
6424 /* WE specify that if a valid key is set, encryption
6425 * should be enabled (user may turn it off later)
6426 * This is also how "iwconfig ethX key on" works */
6427 if((index == current_index) && (key.len > 0) &&
6428 (local->config.authType == AUTH_OPEN)) {
6429 local->config.authType = AUTH_ENCRYPT;
6432 /* Do we want to just set the transmit key index ? */
6433 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6434 if (valid_index(local, index)) {
6435 rc = set_wep_tx_idx(local, index, perm, 1);
6437 airo_print_err(local->dev->name, "failed to set"
6438 " WEP transmit index to %d: %d.",
6443 /* Don't complain if only change the mode */
6444 if (!(dwrq->flags & IW_ENCODE_MODE))
6448 /* Read the flags */
6449 if(dwrq->flags & IW_ENCODE_DISABLED)
6450 local->config.authType = AUTH_OPEN; // disable encryption
6451 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6452 local->config.authType = AUTH_SHAREDKEY; // Only Both
6453 if(dwrq->flags & IW_ENCODE_OPEN)
6454 local->config.authType = AUTH_ENCRYPT; // Only Wep
6455 /* Commit the changes to flags if needed */
6456 if (local->config.authType != currentAuthType)
6457 set_bit (FLAG_COMMIT, &local->flags);
6458 return -EINPROGRESS; /* Call commit handler */
6461 /*------------------------------------------------------------------*/
6463 * Wireless Handler : get Encryption Key
6465 static int airo_get_encode(struct net_device *dev,
6466 struct iw_request_info *info,
6467 struct iw_point *dwrq,
6470 struct airo_info *local = dev->ml_priv;
6471 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6474 if (!local->wep_capable)
6477 readConfigRid(local, 1);
6479 /* Check encryption mode */
6480 switch(local->config.authType) {
6482 dwrq->flags = IW_ENCODE_OPEN;
6484 case AUTH_SHAREDKEY:
6485 dwrq->flags = IW_ENCODE_RESTRICTED;
6489 dwrq->flags = IW_ENCODE_DISABLED;
6492 /* We can't return the key, so set the proper flag and return zero */
6493 dwrq->flags |= IW_ENCODE_NOKEY;
6494 memset(extra, 0, 16);
6496 /* Which key do we want ? -1 -> tx index */
6497 if (!valid_index(local, index)) {
6498 index = get_wep_tx_idx(local);
6502 dwrq->flags |= index + 1;
6504 /* Copy the key to the user buffer */
6505 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6506 memcpy(extra, buf, dwrq->length);
6511 /*------------------------------------------------------------------*/
6513 * Wireless Handler : set extended Encryption parameters
6515 static int airo_set_encodeext(struct net_device *dev,
6516 struct iw_request_info *info,
6517 union iwreq_data *wrqu,
6520 struct airo_info *local = dev->ml_priv;
6521 struct iw_point *encoding = &wrqu->encoding;
6522 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6523 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6524 __le16 currentAuthType = local->config.authType;
6525 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6528 if (!local->wep_capable)
6531 readConfigRid(local, 1);
6533 /* Determine and validate the key index */
6534 idx = encoding->flags & IW_ENCODE_INDEX;
6536 if (!valid_index(local, idx - 1))
6540 idx = get_wep_tx_idx(local);
6545 if (encoding->flags & IW_ENCODE_DISABLED)
6546 alg = IW_ENCODE_ALG_NONE;
6548 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6549 /* Only set transmit key index here, actual
6550 * key is set below if needed.
6552 rc = set_wep_tx_idx(local, idx, perm, 1);
6554 airo_print_err(local->dev->name, "failed to set "
6555 "WEP transmit index to %d: %d.",
6559 set_key = ext->key_len > 0 ? 1 : 0;
6563 /* Set the requested key first */
6564 memset(key.key, 0, MAX_KEY_SIZE);
6566 case IW_ENCODE_ALG_NONE:
6569 case IW_ENCODE_ALG_WEP:
6570 if (ext->key_len > MIN_KEY_SIZE) {
6571 key.len = MAX_KEY_SIZE;
6572 } else if (ext->key_len > 0) {
6573 key.len = MIN_KEY_SIZE;
6577 key_len = min (ext->key_len, key.len);
6578 memcpy(key.key, ext->key, key_len);
6583 /* Send the key to the card */
6584 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6586 airo_print_err(local->dev->name, "failed to set WEP key"
6587 " at index %d: %d.", idx, rc);
6592 /* Read the flags */
6593 if(encoding->flags & IW_ENCODE_DISABLED)
6594 local->config.authType = AUTH_OPEN; // disable encryption
6595 if(encoding->flags & IW_ENCODE_RESTRICTED)
6596 local->config.authType = AUTH_SHAREDKEY; // Only Both
6597 if(encoding->flags & IW_ENCODE_OPEN)
6598 local->config.authType = AUTH_ENCRYPT; // Only Wep
6599 /* Commit the changes to flags if needed */
6600 if (local->config.authType != currentAuthType)
6601 set_bit (FLAG_COMMIT, &local->flags);
6603 return -EINPROGRESS;
6607 /*------------------------------------------------------------------*/
6609 * Wireless Handler : get extended Encryption parameters
6611 static int airo_get_encodeext(struct net_device *dev,
6612 struct iw_request_info *info,
6613 union iwreq_data *wrqu,
6616 struct airo_info *local = dev->ml_priv;
6617 struct iw_point *encoding = &wrqu->encoding;
6618 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6619 int idx, max_key_len;
6622 if (!local->wep_capable)
6625 readConfigRid(local, 1);
6627 max_key_len = encoding->length - sizeof(*ext);
6628 if (max_key_len < 0)
6631 idx = encoding->flags & IW_ENCODE_INDEX;
6633 if (!valid_index(local, idx - 1))
6637 idx = get_wep_tx_idx(local);
6642 encoding->flags = idx + 1;
6643 memset(ext, 0, sizeof(*ext));
6645 /* Check encryption mode */
6646 switch(local->config.authType) {
6648 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6650 case AUTH_SHAREDKEY:
6651 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6655 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6658 /* We can't return the key, so set the proper flag and return zero */
6659 encoding->flags |= IW_ENCODE_NOKEY;
6660 memset(extra, 0, 16);
6662 /* Copy the key to the user buffer */
6663 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6664 memcpy(extra, buf, ext->key_len);
6670 /*------------------------------------------------------------------*/
6672 * Wireless Handler : set extended authentication parameters
6674 static int airo_set_auth(struct net_device *dev,
6675 struct iw_request_info *info,
6676 union iwreq_data *wrqu, char *extra)
6678 struct airo_info *local = dev->ml_priv;
6679 struct iw_param *param = &wrqu->param;
6680 __le16 currentAuthType = local->config.authType;
6682 switch (param->flags & IW_AUTH_INDEX) {
6683 case IW_AUTH_WPA_VERSION:
6684 case IW_AUTH_CIPHER_PAIRWISE:
6685 case IW_AUTH_CIPHER_GROUP:
6686 case IW_AUTH_KEY_MGMT:
6687 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6688 case IW_AUTH_PRIVACY_INVOKED:
6690 * airo does not use these parameters
6694 case IW_AUTH_DROP_UNENCRYPTED:
6696 /* Only change auth type if unencrypted */
6697 if (currentAuthType == AUTH_OPEN)
6698 local->config.authType = AUTH_ENCRYPT;
6700 local->config.authType = AUTH_OPEN;
6703 /* Commit the changes to flags if needed */
6704 if (local->config.authType != currentAuthType)
6705 set_bit (FLAG_COMMIT, &local->flags);
6708 case IW_AUTH_80211_AUTH_ALG: {
6709 /* FIXME: What about AUTH_OPEN? This API seems to
6710 * disallow setting our auth to AUTH_OPEN.
6712 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6713 local->config.authType = AUTH_SHAREDKEY;
6714 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6715 local->config.authType = AUTH_ENCRYPT;
6720 /* Commit the changes to flags if needed */
6721 if (local->config.authType != currentAuthType)
6722 set_bit (FLAG_COMMIT, &local->flags);
6725 case IW_AUTH_WPA_ENABLED:
6726 /* Silently accept disable of WPA */
6727 if (param->value > 0)
6734 return -EINPROGRESS;
6738 /*------------------------------------------------------------------*/
6740 * Wireless Handler : get extended authentication parameters
6742 static int airo_get_auth(struct net_device *dev,
6743 struct iw_request_info *info,
6744 union iwreq_data *wrqu, char *extra)
6746 struct airo_info *local = dev->ml_priv;
6747 struct iw_param *param = &wrqu->param;
6748 __le16 currentAuthType = local->config.authType;
6750 switch (param->flags & IW_AUTH_INDEX) {
6751 case IW_AUTH_DROP_UNENCRYPTED:
6752 switch (currentAuthType) {
6753 case AUTH_SHAREDKEY:
6763 case IW_AUTH_80211_AUTH_ALG:
6764 switch (currentAuthType) {
6765 case AUTH_SHAREDKEY:
6766 param->value = IW_AUTH_ALG_SHARED_KEY;
6770 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6775 case IW_AUTH_WPA_ENABLED:
6786 /*------------------------------------------------------------------*/
6788 * Wireless Handler : set Tx-Power
6790 static int airo_set_txpow(struct net_device *dev,
6791 struct iw_request_info *info,
6792 struct iw_param *vwrq,
6795 struct airo_info *local = dev->ml_priv;
6796 CapabilityRid cap_rid; /* Card capability info */
6799 __le16 v = cpu_to_le16(vwrq->value);
6801 readCapabilityRid(local, &cap_rid, 1);
6803 if (vwrq->disabled) {
6804 set_bit (FLAG_RADIO_OFF, &local->flags);
6805 set_bit (FLAG_COMMIT, &local->flags);
6806 return -EINPROGRESS; /* Call commit handler */
6808 if (vwrq->flags != IW_TXPOW_MWATT) {
6811 clear_bit (FLAG_RADIO_OFF, &local->flags);
6812 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6813 if (v == cap_rid.txPowerLevels[i]) {
6814 readConfigRid(local, 1);
6815 local->config.txPower = v;
6816 set_bit (FLAG_COMMIT, &local->flags);
6817 rc = -EINPROGRESS; /* Call commit handler */
6823 /*------------------------------------------------------------------*/
6825 * Wireless Handler : get Tx-Power
6827 static int airo_get_txpow(struct net_device *dev,
6828 struct iw_request_info *info,
6829 struct iw_param *vwrq,
6832 struct airo_info *local = dev->ml_priv;
6834 readConfigRid(local, 1);
6835 vwrq->value = le16_to_cpu(local->config.txPower);
6836 vwrq->fixed = 1; /* No power control */
6837 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6838 vwrq->flags = IW_TXPOW_MWATT;
6843 /*------------------------------------------------------------------*/
6845 * Wireless Handler : set Retry limits
6847 static int airo_set_retry(struct net_device *dev,
6848 struct iw_request_info *info,
6849 struct iw_param *vwrq,
6852 struct airo_info *local = dev->ml_priv;
6855 if(vwrq->disabled) {
6858 readConfigRid(local, 1);
6859 if(vwrq->flags & IW_RETRY_LIMIT) {
6860 __le16 v = cpu_to_le16(vwrq->value);
6861 if(vwrq->flags & IW_RETRY_LONG)
6862 local->config.longRetryLimit = v;
6863 else if (vwrq->flags & IW_RETRY_SHORT)
6864 local->config.shortRetryLimit = v;
6866 /* No modifier : set both */
6867 local->config.longRetryLimit = v;
6868 local->config.shortRetryLimit = v;
6870 set_bit (FLAG_COMMIT, &local->flags);
6871 rc = -EINPROGRESS; /* Call commit handler */
6873 if(vwrq->flags & IW_RETRY_LIFETIME) {
6874 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6875 set_bit (FLAG_COMMIT, &local->flags);
6876 rc = -EINPROGRESS; /* Call commit handler */
6881 /*------------------------------------------------------------------*/
6883 * Wireless Handler : get Retry limits
6885 static int airo_get_retry(struct net_device *dev,
6886 struct iw_request_info *info,
6887 struct iw_param *vwrq,
6890 struct airo_info *local = dev->ml_priv;
6892 vwrq->disabled = 0; /* Can't be disabled */
6894 readConfigRid(local, 1);
6895 /* Note : by default, display the min retry number */
6896 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6897 vwrq->flags = IW_RETRY_LIFETIME;
6898 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6899 } else if((vwrq->flags & IW_RETRY_LONG)) {
6900 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6901 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6903 vwrq->flags = IW_RETRY_LIMIT;
6904 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6905 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6906 vwrq->flags |= IW_RETRY_SHORT;
6912 /*------------------------------------------------------------------*/
6914 * Wireless Handler : get range info
6916 static int airo_get_range(struct net_device *dev,
6917 struct iw_request_info *info,
6918 struct iw_point *dwrq,
6921 struct airo_info *local = dev->ml_priv;
6922 struct iw_range *range = (struct iw_range *) extra;
6923 CapabilityRid cap_rid; /* Card capability info */
6927 readCapabilityRid(local, &cap_rid, 1);
6929 dwrq->length = sizeof(struct iw_range);
6930 memset(range, 0, sizeof(*range));
6931 range->min_nwid = 0x0000;
6932 range->max_nwid = 0x0000;
6933 range->num_channels = 14;
6934 /* Should be based on cap_rid.country to give only
6935 * what the current card support */
6937 for(i = 0; i < 14; i++) {
6938 range->freq[k].i = i + 1; /* List index */
6939 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6940 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6942 range->num_frequency = k;
6944 range->sensitivity = 65535;
6946 /* Hum... Should put the right values there */
6948 range->max_qual.qual = 100; /* % */
6950 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6951 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6952 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6954 /* Experimental measurements - boundary 11/5.5 Mb/s */
6955 /* Note : with or without the (local->rssi), results
6956 * are somewhat different. - Jean II */
6958 range->avg_qual.qual = 50; /* % */
6959 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6961 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6962 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6964 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6966 for(i = 0 ; i < 8 ; i++) {
6967 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6968 if(range->bitrate[i] == 0)
6971 range->num_bitrates = i;
6973 /* Set an indication of the max TCP throughput
6974 * in bit/s that we can expect using this interface.
6975 * May be use for QoS stuff... Jean II */
6977 range->throughput = 5000 * 1000;
6979 range->throughput = 1500 * 1000;
6982 range->max_rts = AIRO_DEF_MTU;
6983 range->min_frag = 256;
6984 range->max_frag = AIRO_DEF_MTU;
6986 if(cap_rid.softCap & cpu_to_le16(2)) {
6988 range->encoding_size[0] = 5;
6990 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6991 range->encoding_size[1] = 13;
6992 range->num_encoding_sizes = 2;
6994 range->num_encoding_sizes = 1;
6995 range->max_encoding_tokens =
6996 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6998 range->num_encoding_sizes = 0;
6999 range->max_encoding_tokens = 0;
7002 range->max_pmp = 5000000; /* 5 secs */
7004 range->max_pmt = 65535 * 1024; /* ??? */
7005 range->pmp_flags = IW_POWER_PERIOD;
7006 range->pmt_flags = IW_POWER_TIMEOUT;
7007 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7009 /* Transmit Power - values are in mW */
7010 for(i = 0 ; i < 8 ; i++) {
7011 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7012 if(range->txpower[i] == 0)
7015 range->num_txpower = i;
7016 range->txpower_capa = IW_TXPOW_MWATT;
7017 range->we_version_source = 19;
7018 range->we_version_compiled = WIRELESS_EXT;
7019 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7020 range->retry_flags = IW_RETRY_LIMIT;
7021 range->r_time_flags = IW_RETRY_LIFETIME;
7022 range->min_retry = 1;
7023 range->max_retry = 65535;
7024 range->min_r_time = 1024;
7025 range->max_r_time = 65535 * 1024;
7027 /* Event capability (kernel + driver) */
7028 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7029 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7030 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7031 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7032 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7033 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7037 /*------------------------------------------------------------------*/
7039 * Wireless Handler : set Power Management
7041 static int airo_set_power(struct net_device *dev,
7042 struct iw_request_info *info,
7043 struct iw_param *vwrq,
7046 struct airo_info *local = dev->ml_priv;
7048 readConfigRid(local, 1);
7049 if (vwrq->disabled) {
7050 if (sniffing_mode(local))
7052 local->config.powerSaveMode = POWERSAVE_CAM;
7053 local->config.rmode &= ~RXMODE_MASK;
7054 local->config.rmode |= RXMODE_BC_MC_ADDR;
7055 set_bit (FLAG_COMMIT, &local->flags);
7056 return -EINPROGRESS; /* Call commit handler */
7058 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7059 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7060 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7061 set_bit (FLAG_COMMIT, &local->flags);
7062 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7063 local->config.fastListenInterval =
7064 local->config.listenInterval =
7065 cpu_to_le16((vwrq->value + 500) / 1024);
7066 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7067 set_bit (FLAG_COMMIT, &local->flags);
7069 switch (vwrq->flags & IW_POWER_MODE) {
7070 case IW_POWER_UNICAST_R:
7071 if (sniffing_mode(local))
7073 local->config.rmode &= ~RXMODE_MASK;
7074 local->config.rmode |= RXMODE_ADDR;
7075 set_bit (FLAG_COMMIT, &local->flags);
7077 case IW_POWER_ALL_R:
7078 if (sniffing_mode(local))
7080 local->config.rmode &= ~RXMODE_MASK;
7081 local->config.rmode |= RXMODE_BC_MC_ADDR;
7082 set_bit (FLAG_COMMIT, &local->flags);
7084 /* This is broken, fixme ;-) */
7089 // Note : we may want to factor local->need_commit here
7090 // Note2 : may also want to factor RXMODE_RFMON test
7091 return -EINPROGRESS; /* Call commit handler */
7094 /*------------------------------------------------------------------*/
7096 * Wireless Handler : get Power Management
7098 static int airo_get_power(struct net_device *dev,
7099 struct iw_request_info *info,
7100 struct iw_param *vwrq,
7103 struct airo_info *local = dev->ml_priv;
7106 readConfigRid(local, 1);
7107 mode = local->config.powerSaveMode;
7108 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7110 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7111 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7112 vwrq->flags = IW_POWER_TIMEOUT;
7114 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7115 vwrq->flags = IW_POWER_PERIOD;
7117 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7118 vwrq->flags |= IW_POWER_UNICAST_R;
7120 vwrq->flags |= IW_POWER_ALL_R;
7125 /*------------------------------------------------------------------*/
7127 * Wireless Handler : set Sensitivity
7129 static int airo_set_sens(struct net_device *dev,
7130 struct iw_request_info *info,
7131 struct iw_param *vwrq,
7134 struct airo_info *local = dev->ml_priv;
7136 readConfigRid(local, 1);
7137 local->config.rssiThreshold =
7138 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7139 set_bit (FLAG_COMMIT, &local->flags);
7141 return -EINPROGRESS; /* Call commit handler */
7144 /*------------------------------------------------------------------*/
7146 * Wireless Handler : get Sensitivity
7148 static int airo_get_sens(struct net_device *dev,
7149 struct iw_request_info *info,
7150 struct iw_param *vwrq,
7153 struct airo_info *local = dev->ml_priv;
7155 readConfigRid(local, 1);
7156 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7157 vwrq->disabled = (vwrq->value == 0);
7163 /*------------------------------------------------------------------*/
7165 * Wireless Handler : get AP List
7166 * Note : this is deprecated in favor of IWSCAN
7168 static int airo_get_aplist(struct net_device *dev,
7169 struct iw_request_info *info,
7170 struct iw_point *dwrq,
7173 struct airo_info *local = dev->ml_priv;
7174 struct sockaddr *address = (struct sockaddr *) extra;
7175 struct iw_quality *qual;
7178 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7180 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7184 for (i = 0; i < IW_MAX_AP; i++) {
7186 if (readBSSListRid(local, loseSync, &BSSList))
7189 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7190 address[i].sa_family = ARPHRD_ETHER;
7191 dBm = le16_to_cpu(BSSList.dBm);
7193 qual[i].level = 0x100 - dBm;
7194 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7195 qual[i].updated = IW_QUAL_QUAL_UPDATED
7196 | IW_QUAL_LEVEL_UPDATED
7199 qual[i].level = (dBm + 321) / 2;
7201 qual[i].updated = IW_QUAL_QUAL_INVALID
7202 | IW_QUAL_LEVEL_UPDATED
7205 qual[i].noise = local->wstats.qual.noise;
7206 if (BSSList.index == cpu_to_le16(0xffff))
7210 StatusRid status_rid; /* Card status info */
7211 readStatusRid(local, &status_rid, 1);
7213 i < min(IW_MAX_AP, 4) &&
7214 (status_rid.bssid[i][0]
7215 & status_rid.bssid[i][1]
7216 & status_rid.bssid[i][2]
7217 & status_rid.bssid[i][3]
7218 & status_rid.bssid[i][4]
7219 & status_rid.bssid[i][5])!=0xff &&
7220 (status_rid.bssid[i][0]
7221 | status_rid.bssid[i][1]
7222 | status_rid.bssid[i][2]
7223 | status_rid.bssid[i][3]
7224 | status_rid.bssid[i][4]
7225 | status_rid.bssid[i][5]);
7227 memcpy(address[i].sa_data,
7228 status_rid.bssid[i], ETH_ALEN);
7229 address[i].sa_family = ARPHRD_ETHER;
7232 dwrq->flags = 1; /* Should be define'd */
7233 memcpy(extra + sizeof(struct sockaddr)*i,
7234 &qual, sizeof(struct iw_quality)*i);
7242 /*------------------------------------------------------------------*/
7244 * Wireless Handler : Initiate Scan
7246 static int airo_set_scan(struct net_device *dev,
7247 struct iw_request_info *info,
7248 struct iw_point *dwrq,
7251 struct airo_info *ai = dev->ml_priv;
7256 /* Note : you may have realised that, as this is a SET operation,
7257 * this is privileged and therefore a normal user can't
7259 * This is not an error, while the device perform scanning,
7260 * traffic doesn't flow, so it's a perfect DoS...
7262 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7264 if (down_interruptible(&ai->sem))
7265 return -ERESTARTSYS;
7267 /* If there's already a scan in progress, don't
7268 * trigger another one. */
7269 if (ai->scan_timeout > 0)
7272 /* Initiate a scan command */
7273 ai->scan_timeout = RUN_AT(3*HZ);
7274 memset(&cmd, 0, sizeof(cmd));
7275 cmd.cmd=CMD_LISTBSS;
7276 issuecommand(ai, &cmd, &rsp);
7282 wake_up_interruptible(&ai->thr_wait);
7286 /*------------------------------------------------------------------*/
7288 * Translate scan data returned from the card to a card independent
7289 * format that the Wireless Tools will understand - Jean II
7291 static inline char *airo_translate_scan(struct net_device *dev,
7292 struct iw_request_info *info,
7297 struct airo_info *ai = dev->ml_priv;
7298 struct iw_event iwe; /* Temporary buffer */
7299 __le16 capabilities;
7300 char * current_val; /* For rates */
7305 /* First entry *MUST* be the AP MAC address */
7306 iwe.cmd = SIOCGIWAP;
7307 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7308 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7309 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7310 &iwe, IW_EV_ADDR_LEN);
7312 /* Other entries will be displayed in the order we give them */
7315 iwe.u.data.length = bss->ssidLen;
7316 if(iwe.u.data.length > 32)
7317 iwe.u.data.length = 32;
7318 iwe.cmd = SIOCGIWESSID;
7319 iwe.u.data.flags = 1;
7320 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7324 iwe.cmd = SIOCGIWMODE;
7325 capabilities = bss->cap;
7326 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7327 if(capabilities & CAP_ESS)
7328 iwe.u.mode = IW_MODE_MASTER;
7330 iwe.u.mode = IW_MODE_ADHOC;
7331 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7332 &iwe, IW_EV_UINT_LEN);
7336 iwe.cmd = SIOCGIWFREQ;
7337 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7338 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7340 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7341 &iwe, IW_EV_FREQ_LEN);
7343 dBm = le16_to_cpu(bss->dBm);
7345 /* Add quality statistics */
7348 iwe.u.qual.level = 0x100 - dBm;
7349 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7350 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7351 | IW_QUAL_LEVEL_UPDATED
7354 iwe.u.qual.level = (dBm + 321) / 2;
7355 iwe.u.qual.qual = 0;
7356 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7357 | IW_QUAL_LEVEL_UPDATED
7360 iwe.u.qual.noise = ai->wstats.qual.noise;
7361 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7362 &iwe, IW_EV_QUAL_LEN);
7364 /* Add encryption capability */
7365 iwe.cmd = SIOCGIWENCODE;
7366 if(capabilities & CAP_PRIVACY)
7367 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7369 iwe.u.data.flags = IW_ENCODE_DISABLED;
7370 iwe.u.data.length = 0;
7371 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7374 /* Rate : stuffing multiple values in a single event require a bit
7375 * more of magic - Jean II */
7376 current_val = current_ev + iwe_stream_lcp_len(info);
7378 iwe.cmd = SIOCGIWRATE;
7379 /* Those two flags are ignored... */
7380 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7382 for(i = 0 ; i < 8 ; i++) {
7383 /* NULL terminated */
7384 if(bss->rates[i] == 0)
7386 /* Bit rate given in 500 kb/s units (+ 0x80) */
7387 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7388 /* Add new value to event */
7389 current_val = iwe_stream_add_value(info, current_ev,
7390 current_val, end_buf,
7391 &iwe, IW_EV_PARAM_LEN);
7393 /* Check if we added any event */
7394 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7395 current_ev = current_val;
7397 /* Beacon interval */
7398 buf = kmalloc(30, GFP_KERNEL);
7400 iwe.cmd = IWEVCUSTOM;
7401 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7402 iwe.u.data.length = strlen(buf);
7403 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7408 /* Put WPA/RSN Information Elements into the event stream */
7409 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7410 unsigned int num_null_ies = 0;
7411 u16 length = sizeof (bss->extra.iep);
7412 u8 *ie = (void *)&bss->extra.iep;
7414 while ((length >= 2) && (num_null_ies < 2)) {
7415 if (2 + ie[1] > length) {
7416 /* Invalid element, don't continue parsing IE */
7422 /* Two zero-length SSID elements
7423 * mean we're done parsing elements */
7428 case WLAN_EID_GENERIC:
7434 iwe.cmd = IWEVGENIE;
7435 /* 64 is an arbitrary cut-off */
7436 iwe.u.data.length = min(ie[1] + 2,
7438 current_ev = iwe_stream_add_point(
7445 iwe.cmd = IWEVGENIE;
7446 /* 64 is an arbitrary cut-off */
7447 iwe.u.data.length = min(ie[1] + 2, 64);
7448 current_ev = iwe_stream_add_point(
7449 info, current_ev, end_buf,
7457 length -= 2 + ie[1];
7464 /*------------------------------------------------------------------*/
7466 * Wireless Handler : Read Scan Results
7468 static int airo_get_scan(struct net_device *dev,
7469 struct iw_request_info *info,
7470 struct iw_point *dwrq,
7473 struct airo_info *ai = dev->ml_priv;
7474 BSSListElement *net;
7476 char *current_ev = extra;
7478 /* If a scan is in-progress, return -EAGAIN */
7479 if (ai->scan_timeout > 0)
7482 if (down_interruptible(&ai->sem))
7485 list_for_each_entry (net, &ai->network_list, list) {
7486 /* Translate to WE format this entry */
7487 current_ev = airo_translate_scan(dev, info, current_ev,
7488 extra + dwrq->length,
7491 /* Check if there is space for one more entry */
7492 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7493 /* Ask user space to try again with a bigger buffer */
7499 /* Length of data */
7500 dwrq->length = (current_ev - extra);
7501 dwrq->flags = 0; /* todo */
7508 /*------------------------------------------------------------------*/
7510 * Commit handler : called after a bunch of SET operations
7512 static int airo_config_commit(struct net_device *dev,
7513 struct iw_request_info *info, /* NULL */
7514 void *zwrq, /* NULL */
7515 char *extra) /* NULL */
7517 struct airo_info *local = dev->ml_priv;
7519 if (!test_bit (FLAG_COMMIT, &local->flags))
7522 /* Some of the "SET" function may have modified some of the
7523 * parameters. It's now time to commit them in the card */
7524 disable_MAC(local, 1);
7525 if (test_bit (FLAG_RESET, &local->flags)) {
7526 APListRid APList_rid;
7529 readAPListRid(local, &APList_rid);
7530 readSsidRid(local, &SSID_rid);
7531 if (test_bit(FLAG_MPI,&local->flags))
7532 setup_card(local, dev->dev_addr, 1 );
7534 reset_airo_card(dev);
7535 disable_MAC(local, 1);
7536 writeSsidRid(local, &SSID_rid, 1);
7537 writeAPListRid(local, &APList_rid, 1);
7539 if (down_interruptible(&local->sem))
7540 return -ERESTARTSYS;
7541 writeConfigRid(local, 0);
7542 enable_MAC(local, 0);
7543 if (test_bit (FLAG_RESET, &local->flags))
7544 airo_set_promisc(local);
7551 /*------------------------------------------------------------------*/
7553 * Structures to export the Wireless Handlers
7556 static const struct iw_priv_args airo_private_args[] = {
7557 /*{ cmd, set_args, get_args, name } */
7558 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7559 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7560 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7561 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7564 static const iw_handler airo_handler[] =
7566 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7567 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7568 (iw_handler) NULL, /* SIOCSIWNWID */
7569 (iw_handler) NULL, /* SIOCGIWNWID */
7570 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7571 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7572 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7573 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7574 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7575 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7576 (iw_handler) NULL, /* SIOCSIWRANGE */
7577 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7578 (iw_handler) NULL, /* SIOCSIWPRIV */
7579 (iw_handler) NULL, /* SIOCGIWPRIV */
7580 (iw_handler) NULL, /* SIOCSIWSTATS */
7581 (iw_handler) NULL, /* SIOCGIWSTATS */
7582 iw_handler_set_spy, /* SIOCSIWSPY */
7583 iw_handler_get_spy, /* SIOCGIWSPY */
7584 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7585 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7586 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7587 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7588 (iw_handler) NULL, /* -- hole -- */
7589 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7590 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7591 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7592 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7593 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7594 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7595 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7596 (iw_handler) NULL, /* -- hole -- */
7597 (iw_handler) NULL, /* -- hole -- */
7598 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7599 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7600 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7601 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7602 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7603 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7604 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7605 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7606 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7607 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7608 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7609 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7610 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7611 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7612 (iw_handler) NULL, /* -- hole -- */
7613 (iw_handler) NULL, /* -- hole -- */
7614 (iw_handler) NULL, /* SIOCSIWGENIE */
7615 (iw_handler) NULL, /* SIOCGIWGENIE */
7616 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7617 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7618 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7619 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7620 (iw_handler) NULL, /* SIOCSIWPMKSA */
7623 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7624 * We want to force the use of the ioctl code, because those can't be
7625 * won't work the iw_handler code (because they simultaneously read
7626 * and write data and iw_handler can't do that).
7627 * Note that it's perfectly legal to read/write on a single ioctl command,
7628 * you just can't use iwpriv and need to force it via the ioctl handler.
7630 static const iw_handler airo_private_handler[] =
7632 NULL, /* SIOCIWFIRSTPRIV */
7635 static const struct iw_handler_def airo_handler_def =
7637 .num_standard = ARRAY_SIZE(airo_handler),
7638 .num_private = ARRAY_SIZE(airo_private_handler),
7639 .num_private_args = ARRAY_SIZE(airo_private_args),
7640 .standard = airo_handler,
7641 .private = airo_private_handler,
7642 .private_args = airo_private_args,
7643 .get_wireless_stats = airo_get_wireless_stats,
7647 * This defines the configuration part of the Wireless Extensions
7648 * Note : irq and spinlock protection will occur in the subroutines
7651 * o Check input value more carefully and fill correct values in range
7652 * o Test and shakeout the bugs (if any)
7656 * Javier Achirica did a great job of merging code from the unnamed CISCO
7657 * developer that added support for flashing the card.
7659 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7662 struct airo_info *ai = dev->ml_priv;
7664 if (ai->power.event)
7674 int val = AIROMAGIC;
7676 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7678 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7687 /* Get the command struct and hand it off for evaluation by
7688 * the proper subfunction
7692 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7697 /* Separate R/W functions bracket legality here
7699 if ( com.command == AIRORSWVERSION ) {
7700 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7705 else if ( com.command <= AIRORRID)
7706 rc = readrids(dev,&com);
7707 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7708 rc = writerids(dev,&com);
7709 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7710 rc = flashcard(dev,&com);
7712 rc = -EINVAL; /* Bad command in ioctl */
7715 #endif /* CISCO_EXT */
7717 // All other calls are currently unsupported
7725 * Get the Wireless stats out of the driver
7726 * Note : irq and spinlock protection will occur in the subroutines
7729 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7733 static void airo_read_wireless_stats(struct airo_info *local)
7735 StatusRid status_rid;
7737 CapabilityRid cap_rid;
7738 __le32 *vals = stats_rid.vals;
7740 /* Get stats out of the card */
7741 clear_bit(JOB_WSTATS, &local->jobs);
7742 if (local->power.event) {
7746 readCapabilityRid(local, &cap_rid, 0);
7747 readStatusRid(local, &status_rid, 0);
7748 readStatsRid(local, &stats_rid, RID_STATS, 0);
7752 local->wstats.status = le16_to_cpu(status_rid.mode);
7754 /* Signal quality and co */
7756 local->wstats.qual.level =
7757 airo_rssi_to_dbm(local->rssi,
7758 le16_to_cpu(status_rid.sigQuality));
7759 /* normalizedSignalStrength appears to be a percentage */
7760 local->wstats.qual.qual =
7761 le16_to_cpu(status_rid.normalizedSignalStrength);
7763 local->wstats.qual.level =
7764 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7765 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7767 if (le16_to_cpu(status_rid.len) >= 124) {
7768 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7769 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7771 local->wstats.qual.noise = 0;
7772 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7775 /* Packets discarded in the wireless adapter due to wireless
7776 * specific problems */
7777 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7778 le32_to_cpu(vals[57]) +
7779 le32_to_cpu(vals[58]); /* SSID Mismatch */
7780 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7781 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7782 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7783 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7784 le32_to_cpu(vals[32]);
7785 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7788 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7790 struct airo_info *local = dev->ml_priv;
7792 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7793 /* Get stats out of the card if available */
7794 if (down_trylock(&local->sem) != 0) {
7795 set_bit(JOB_WSTATS, &local->jobs);
7796 wake_up_interruptible(&local->thr_wait);
7798 airo_read_wireless_stats(local);
7801 return &local->wstats;
7806 * This just translates from driver IOCTL codes to the command codes to
7807 * feed to the radio's host interface. Things can be added/deleted
7808 * as needed. This represents the READ side of control I/O to
7811 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7812 unsigned short ridcode;
7813 unsigned char *iobuf;
7815 struct airo_info *ai = dev->ml_priv;
7817 if (test_bit(FLAG_FLASHING, &ai->flags))
7820 switch(comp->command)
7822 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7823 case AIROGCFG: ridcode = RID_CONFIG;
7824 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7825 disable_MAC (ai, 1);
7826 writeConfigRid (ai, 1);
7830 case AIROGSLIST: ridcode = RID_SSID; break;
7831 case AIROGVLIST: ridcode = RID_APLIST; break;
7832 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7833 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7834 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7835 /* Only super-user can read WEP keys */
7836 if (!capable(CAP_NET_ADMIN))
7839 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7840 /* Only super-user can read WEP keys */
7841 if (!capable(CAP_NET_ADMIN))
7844 case AIROGSTAT: ridcode = RID_STATUS; break;
7845 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7846 case AIROGSTATSC32: ridcode = RID_STATS; break;
7848 if (copy_to_user(comp->data, &ai->micstats,
7849 min((int)comp->len,(int)sizeof(ai->micstats))))
7852 case AIRORRID: ridcode = comp->ridnum; break;
7858 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7861 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7862 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7863 * then return it to the user
7864 * 9/22/2000 Honor user given length
7868 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7877 * Danger Will Robinson write the rids here
7880 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7881 struct airo_info *ai = dev->ml_priv;
7884 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7885 unsigned char *iobuf;
7887 /* Only super-user can write RIDs */
7888 if (!capable(CAP_NET_ADMIN))
7891 if (test_bit(FLAG_FLASHING, &ai->flags))
7895 writer = do_writerid;
7897 switch(comp->command)
7899 case AIROPSIDS: ridcode = RID_SSID; break;
7900 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7901 case AIROPAPLIST: ridcode = RID_APLIST; break;
7902 case AIROPCFG: ai->config.len = 0;
7903 clear_bit(FLAG_COMMIT, &ai->flags);
7904 ridcode = RID_CONFIG; break;
7905 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7906 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7907 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7908 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7910 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7911 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7913 /* this is not really a rid but a command given to the card
7917 if (enable_MAC(ai, 1) != 0)
7922 * Evidently this code in the airo driver does not get a symbol
7923 * as disable_MAC. it's probably so short the compiler does not gen one.
7929 /* This command merely clears the counts does not actually store any data
7930 * only reads rid. But as it changes the cards state, I put it in the
7931 * writerid routines.
7934 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7937 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7939 enabled = ai->micstats.enabled;
7940 memset(&ai->micstats,0,sizeof(ai->micstats));
7941 ai->micstats.enabled = enabled;
7943 if (copy_to_user(comp->data, iobuf,
7944 min((int)comp->len, (int)RIDSIZE))) {
7952 return -EOPNOTSUPP; /* Blarg! */
7954 if(comp->len > RIDSIZE)
7957 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7960 if (copy_from_user(iobuf,comp->data,comp->len)) {
7965 if (comp->command == AIROPCFG) {
7966 ConfigRid *cfg = (ConfigRid *)iobuf;
7968 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7969 cfg->opmode |= MODE_MIC;
7971 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7972 set_bit (FLAG_ADHOC, &ai->flags);
7974 clear_bit (FLAG_ADHOC, &ai->flags);
7977 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7985 /*****************************************************************************
7986 * Ancillary flash / mod functions much black magic lurkes here *
7987 *****************************************************************************
7991 * Flash command switch table
7994 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7997 /* Only super-user can modify flash */
7998 if (!capable(CAP_NET_ADMIN))
8001 switch(comp->command)
8004 return cmdreset((struct airo_info *)dev->ml_priv);
8007 if (!AIRO_FLASH(dev) &&
8008 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8010 return setflashmode((struct airo_info *)dev->ml_priv);
8012 case AIROFLSHGCHR: /* Get char from aux */
8013 if(comp->len != sizeof(int))
8015 if (copy_from_user(&z,comp->data,comp->len))
8017 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8019 case AIROFLSHPCHR: /* Send char to card. */
8020 if(comp->len != sizeof(int))
8022 if (copy_from_user(&z,comp->data,comp->len))
8024 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8026 case AIROFLPUTBUF: /* Send 32k to card */
8027 if (!AIRO_FLASH(dev))
8029 if(comp->len > FLASHSIZE)
8031 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8034 flashputbuf((struct airo_info *)dev->ml_priv);
8038 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8045 #define FLASH_COMMAND 0x7e7e
8049 * Disable MAC and do soft reset on
8053 static int cmdreset(struct airo_info *ai) {
8057 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8061 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8063 ssleep(1); /* WAS 600 12/7/00 */
8066 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8073 * Put the card in legendary flash
8077 static int setflashmode (struct airo_info *ai) {
8078 set_bit (FLAG_FLASHING, &ai->flags);
8080 OUT4500(ai, SWS0, FLASH_COMMAND);
8081 OUT4500(ai, SWS1, FLASH_COMMAND);
8083 OUT4500(ai, SWS0, FLASH_COMMAND);
8084 OUT4500(ai, COMMAND,0x10);
8086 OUT4500(ai, SWS2, FLASH_COMMAND);
8087 OUT4500(ai, SWS3, FLASH_COMMAND);
8088 OUT4500(ai, COMMAND,0);
8090 msleep(500); /* 500ms delay */
8093 clear_bit (FLAG_FLASHING, &ai->flags);
8094 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8100 /* Put character to SWS0 wait for dwelltime
8104 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8115 /* Wait for busy bit d15 to go false indicating buffer empty */
8116 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8121 /* timeout for busy clear wait */
8123 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8127 /* Port is clear now write byte and wait for it to echo back */
8129 OUT4500(ai,SWS0,byte);
8132 echo = IN4500(ai,SWS1);
8133 } while (dwelltime >= 0 && echo != byte);
8137 return (echo == byte) ? 0 : -EIO;
8141 * Get a character from the card matching matchbyte
8144 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8146 unsigned char rbyte=0;
8149 rchar = IN4500(ai,SWS1);
8151 if(dwelltime && !(0x8000 & rchar)){
8156 rbyte = 0xff & rchar;
8158 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8162 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8166 }while(dwelltime > 0);
8171 * Transfer 32k of firmware data from user buffer to our buffer and
8175 static int flashputbuf(struct airo_info *ai){
8179 if (test_bit(FLAG_MPI,&ai->flags))
8180 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8182 OUT4500(ai,AUXPAGE,0x100);
8183 OUT4500(ai,AUXOFF,0);
8185 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8186 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8189 OUT4500(ai,SWS0,0x8000);
8197 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8200 ssleep(1); /* Added 12/7/00 */
8201 clear_bit (FLAG_FLASHING, &ai->flags);
8202 if (test_bit(FLAG_MPI, &ai->flags)) {
8203 status = mpi_init_descriptors(ai);
8204 if (status != SUCCESS)
8207 status = setup_card(ai, dev->dev_addr, 1);
8209 if (!test_bit(FLAG_MPI,&ai->flags))
8210 for( i = 0; i < MAX_FIDS; i++ ) {
8211 ai->fids[i] = transmit_allocate
8212 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8215 ssleep(1); /* Added 12/7/00 */
8218 #endif /* CISCO_EXT */
8221 This program is free software; you can redistribute it and/or
8222 modify it under the terms of the GNU General Public License
8223 as published by the Free Software Foundation; either version 2
8224 of the License, or (at your option) any later version.
8226 This program is distributed in the hope that it will be useful,
8227 but WITHOUT ANY WARRANTY; without even the implied warranty of
8228 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8229 GNU General Public License for more details.
8233 Redistribution and use in source and binary forms, with or without
8234 modification, are permitted provided that the following conditions
8237 1. Redistributions of source code must retain the above copyright
8238 notice, this list of conditions and the following disclaimer.
8239 2. Redistributions in binary form must reproduce the above copyright
8240 notice, this list of conditions and the following disclaimer in the
8241 documentation and/or other materials provided with the distribution.
8242 3. The name of the author may not be used to endorse or promote
8243 products derived from this software without specific prior written
8246 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8247 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8248 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8249 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8250 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8251 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8252 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8253 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8254 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8255 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8256 POSSIBILITY OF SUCH DAMAGE.
8259 module_init(airo_init_module);
8260 module_exit(airo_cleanup_module);