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;
4497 apriv->proc_entry->owner = THIS_MODULE;
4499 /* Setup the StatsDelta */
4500 entry = proc_create_data("StatsDelta",
4501 S_IFREG | (S_IRUGO&proc_perm),
4502 apriv->proc_entry, &proc_statsdelta_ops, dev);
4504 goto fail_stats_delta;
4505 entry->uid = proc_uid;
4506 entry->gid = proc_gid;
4508 /* Setup the Stats */
4509 entry = proc_create_data("Stats",
4510 S_IFREG | (S_IRUGO&proc_perm),
4511 apriv->proc_entry, &proc_stats_ops, dev);
4514 entry->uid = proc_uid;
4515 entry->gid = proc_gid;
4517 /* Setup the Status */
4518 entry = proc_create_data("Status",
4519 S_IFREG | (S_IRUGO&proc_perm),
4520 apriv->proc_entry, &proc_status_ops, dev);
4523 entry->uid = proc_uid;
4524 entry->gid = proc_gid;
4526 /* Setup the Config */
4527 entry = proc_create_data("Config",
4528 S_IFREG | proc_perm,
4529 apriv->proc_entry, &proc_config_ops, dev);
4532 entry->uid = proc_uid;
4533 entry->gid = proc_gid;
4535 /* Setup the SSID */
4536 entry = proc_create_data("SSID",
4537 S_IFREG | proc_perm,
4538 apriv->proc_entry, &proc_SSID_ops, dev);
4541 entry->uid = proc_uid;
4542 entry->gid = proc_gid;
4544 /* Setup the APList */
4545 entry = proc_create_data("APList",
4546 S_IFREG | proc_perm,
4547 apriv->proc_entry, &proc_APList_ops, dev);
4550 entry->uid = proc_uid;
4551 entry->gid = proc_gid;
4553 /* Setup the BSSList */
4554 entry = proc_create_data("BSSList",
4555 S_IFREG | proc_perm,
4556 apriv->proc_entry, &proc_BSSList_ops, dev);
4559 entry->uid = proc_uid;
4560 entry->gid = proc_gid;
4562 /* Setup the WepKey */
4563 entry = proc_create_data("WepKey",
4564 S_IFREG | proc_perm,
4565 apriv->proc_entry, &proc_wepkey_ops, dev);
4568 entry->uid = proc_uid;
4569 entry->gid = proc_gid;
4574 remove_proc_entry("BSSList", apriv->proc_entry);
4576 remove_proc_entry("APList", apriv->proc_entry);
4578 remove_proc_entry("SSID", apriv->proc_entry);
4580 remove_proc_entry("Config", apriv->proc_entry);
4582 remove_proc_entry("Status", apriv->proc_entry);
4584 remove_proc_entry("Stats", apriv->proc_entry);
4586 remove_proc_entry("StatsDelta", apriv->proc_entry);
4588 remove_proc_entry(apriv->proc_name, airo_entry);
4593 static int takedown_proc_entry( struct net_device *dev,
4594 struct airo_info *apriv ) {
4595 if ( !apriv->proc_entry->namelen ) return 0;
4596 remove_proc_entry("Stats",apriv->proc_entry);
4597 remove_proc_entry("StatsDelta",apriv->proc_entry);
4598 remove_proc_entry("Status",apriv->proc_entry);
4599 remove_proc_entry("Config",apriv->proc_entry);
4600 remove_proc_entry("SSID",apriv->proc_entry);
4601 remove_proc_entry("APList",apriv->proc_entry);
4602 remove_proc_entry("BSSList",apriv->proc_entry);
4603 remove_proc_entry("WepKey",apriv->proc_entry);
4604 remove_proc_entry(apriv->proc_name,airo_entry);
4609 * What we want from the proc_fs is to be able to efficiently read
4610 * and write the configuration. To do this, we want to read the
4611 * configuration when the file is opened and write it when the file is
4612 * closed. So basically we allocate a read buffer at open and fill it
4613 * with data, and allocate a write buffer and read it at close.
4617 * The read routine is generic, it relies on the preallocated rbuffer
4618 * to supply the data.
4620 static ssize_t proc_read( struct file *file,
4621 char __user *buffer,
4625 struct proc_data *priv = file->private_data;
4630 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4635 * The write routine is generic, it fills in a preallocated rbuffer
4636 * to supply the data.
4638 static ssize_t proc_write( struct file *file,
4639 const char __user *buffer,
4643 loff_t pos = *offset;
4644 struct proc_data *priv = (struct proc_data*)file->private_data;
4651 if (pos >= priv->maxwritelen)
4653 if (len > priv->maxwritelen - pos)
4654 len = priv->maxwritelen - pos;
4655 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4657 if ( pos + len > priv->writelen )
4658 priv->writelen = len + file->f_pos;
4659 *offset = pos + len;
4663 static int proc_status_open(struct inode *inode, struct file *file)
4665 struct proc_data *data;
4666 struct proc_dir_entry *dp = PDE(inode);
4667 struct net_device *dev = dp->data;
4668 struct airo_info *apriv = dev->ml_priv;
4669 CapabilityRid cap_rid;
4670 StatusRid status_rid;
4674 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4676 data = (struct proc_data *)file->private_data;
4677 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4678 kfree (file->private_data);
4682 readStatusRid(apriv, &status_rid, 1);
4683 readCapabilityRid(apriv, &cap_rid, 1);
4685 mode = le16_to_cpu(status_rid.mode);
4687 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4688 mode & 1 ? "CFG ": "",
4689 mode & 2 ? "ACT ": "",
4690 mode & 0x10 ? "SYN ": "",
4691 mode & 0x20 ? "LNK ": "",
4692 mode & 0x40 ? "LEAP ": "",
4693 mode & 0x80 ? "PRIV ": "",
4694 mode & 0x100 ? "KEY ": "",
4695 mode & 0x200 ? "WEP ": "",
4696 mode & 0x8000 ? "ERR ": "");
4697 sprintf( data->rbuffer+i, "Mode: %x\n"
4698 "Signal Strength: %d\n"
4699 "Signal Quality: %d\n"
4704 "Driver Version: %s\n"
4705 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4706 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4707 "Software Version: %x\nSoftware Subversion: %x\n"
4708 "Boot block version: %x\n",
4709 le16_to_cpu(status_rid.mode),
4710 le16_to_cpu(status_rid.normalizedSignalStrength),
4711 le16_to_cpu(status_rid.signalQuality),
4712 le16_to_cpu(status_rid.SSIDlen),
4715 le16_to_cpu(status_rid.channel),
4716 le16_to_cpu(status_rid.currentXmitRate) / 2,
4721 le16_to_cpu(cap_rid.radioType),
4722 le16_to_cpu(cap_rid.country),
4723 le16_to_cpu(cap_rid.hardVer),
4724 le16_to_cpu(cap_rid.softVer),
4725 le16_to_cpu(cap_rid.softSubVer),
4726 le16_to_cpu(cap_rid.bootBlockVer));
4727 data->readlen = strlen( data->rbuffer );
4731 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4732 static int proc_statsdelta_open( struct inode *inode,
4733 struct file *file ) {
4734 if (file->f_mode&FMODE_WRITE) {
4735 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4737 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4740 static int proc_stats_open( struct inode *inode, struct file *file ) {
4741 return proc_stats_rid_open(inode, file, RID_STATS);
4744 static int proc_stats_rid_open( struct inode *inode,
4748 struct proc_data *data;
4749 struct proc_dir_entry *dp = PDE(inode);
4750 struct net_device *dev = dp->data;
4751 struct airo_info *apriv = dev->ml_priv;
4754 __le32 *vals = stats.vals;
4757 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4759 data = (struct proc_data *)file->private_data;
4760 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4761 kfree (file->private_data);
4765 readStatsRid(apriv, &stats, rid, 1);
4766 len = le16_to_cpu(stats.len);
4769 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4770 if (!statsLabels[i]) continue;
4771 if (j+strlen(statsLabels[i])+16>4096) {
4772 airo_print_warn(apriv->dev->name,
4773 "Potentially disasterous buffer overflow averted!");
4776 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4777 le32_to_cpu(vals[i]));
4780 airo_print_warn(apriv->dev->name, "Got a short rid");
4786 static int get_dec_u16( char *buffer, int *start, int limit ) {
4789 for( value = 0; buffer[*start] >= '0' &&
4790 buffer[*start] <= '9' &&
4791 *start < limit; (*start)++ ) {
4794 value += buffer[*start] - '0';
4796 if ( !valid ) return -1;
4800 static int airo_config_commit(struct net_device *dev,
4801 struct iw_request_info *info, void *zwrq,
4804 static inline int sniffing_mode(struct airo_info *ai)
4806 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4807 le16_to_cpu(RXMODE_RFMON);
4810 static void proc_config_on_close(struct inode *inode, struct file *file)
4812 struct proc_data *data = file->private_data;
4813 struct proc_dir_entry *dp = PDE(inode);
4814 struct net_device *dev = dp->data;
4815 struct airo_info *ai = dev->ml_priv;
4818 if ( !data->writelen ) return;
4820 readConfigRid(ai, 1);
4821 set_bit (FLAG_COMMIT, &ai->flags);
4823 line = data->wbuffer;
4825 /*** Mode processing */
4826 if ( !strncmp( line, "Mode: ", 6 ) ) {
4828 if (sniffing_mode(ai))
4829 set_bit (FLAG_RESET, &ai->flags);
4830 ai->config.rmode &= ~RXMODE_FULL_MASK;
4831 clear_bit (FLAG_802_11, &ai->flags);
4832 ai->config.opmode &= ~MODE_CFG_MASK;
4833 ai->config.scanMode = SCANMODE_ACTIVE;
4834 if ( line[0] == 'a' ) {
4835 ai->config.opmode |= MODE_STA_IBSS;
4837 ai->config.opmode |= MODE_STA_ESS;
4838 if ( line[0] == 'r' ) {
4839 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4840 ai->config.scanMode = SCANMODE_PASSIVE;
4841 set_bit (FLAG_802_11, &ai->flags);
4842 } else if ( line[0] == 'y' ) {
4843 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4844 ai->config.scanMode = SCANMODE_PASSIVE;
4845 set_bit (FLAG_802_11, &ai->flags);
4846 } else if ( line[0] == 'l' )
4847 ai->config.rmode |= RXMODE_LANMON;
4849 set_bit (FLAG_COMMIT, &ai->flags);
4852 /*** Radio status */
4853 else if (!strncmp(line,"Radio: ", 7)) {
4855 if (!strncmp(line,"off",3)) {
4856 set_bit (FLAG_RADIO_OFF, &ai->flags);
4858 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4861 /*** NodeName processing */
4862 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4866 memset( ai->config.nodeName, 0, 16 );
4867 /* Do the name, assume a space between the mode and node name */
4868 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4869 ai->config.nodeName[j] = line[j];
4871 set_bit (FLAG_COMMIT, &ai->flags);
4874 /*** PowerMode processing */
4875 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4877 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4878 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4880 } else if ( !strncmp( line, "PSP", 3 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSP;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4884 ai->config.powerSaveMode = POWERSAVE_CAM;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4887 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4888 int v, i = 0, k = 0; /* i is index into line,
4889 k is index to rates */
4892 while((v = get_dec_u16(line, &i, 3))!=-1) {
4893 ai->config.rates[k++] = (u8)v;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4901 v = get_dec_u16(line, &i, i+3);
4903 ai->config.channelSet = cpu_to_le16(v);
4904 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4909 v = get_dec_u16(line, &i, i+3);
4911 ai->config.txPower = cpu_to_le16(v);
4912 set_bit (FLAG_COMMIT, &ai->flags);
4914 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4918 ai->config.authType = AUTH_SHAREDKEY;
4921 ai->config.authType = AUTH_ENCRYPT;
4924 ai->config.authType = AUTH_OPEN;
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4932 v = get_dec_u16(line, &i, 3);
4933 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4934 ai->config.longRetryLimit = cpu_to_le16(v);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4940 v = get_dec_u16(line, &i, 3);
4941 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4942 ai->config.shortRetryLimit = cpu_to_le16(v);
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4948 v = get_dec_u16(line, &i, 4);
4949 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4950 ai->config.rtsThres = cpu_to_le16(v);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4956 v = get_dec_u16(line, &i, 5);
4958 ai->config.txLifetime = cpu_to_le16(v);
4959 set_bit (FLAG_COMMIT, &ai->flags);
4960 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4964 v = get_dec_u16(line, &i, 5);
4966 ai->config.rxLifetime = cpu_to_le16(v);
4967 set_bit (FLAG_COMMIT, &ai->flags);
4968 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4969 ai->config.txDiversity =
4970 (line[13]=='l') ? 1 :
4971 ((line[13]=='r')? 2: 3);
4972 set_bit (FLAG_COMMIT, &ai->flags);
4973 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4974 ai->config.rxDiversity =
4975 (line[13]=='l') ? 1 :
4976 ((line[13]=='r')? 2: 3);
4977 set_bit (FLAG_COMMIT, &ai->flags);
4978 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4982 v = get_dec_u16(line, &i, 4);
4983 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4984 v = v & 0xfffe; /* Make sure its even */
4985 ai->config.fragThresh = cpu_to_le16(v);
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if (!strncmp(line, "Modulation: ", 12)) {
4990 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4992 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4993 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4995 } else if (!strncmp(line, "Preamble: ", 10)) {
4998 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5001 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5004 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5006 while( line[0] && line[0] != '\n' ) line++;
5007 if ( line[0] ) line++;
5009 airo_config_commit(dev, NULL, NULL, NULL);
5012 static char *get_rmode(__le16 mode)
5014 switch(mode & RXMODE_MASK) {
5015 case RXMODE_RFMON: return "rfmon";
5016 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5017 case RXMODE_LANMON: return "lanmon";
5022 static int proc_config_open(struct inode *inode, struct file *file)
5024 struct proc_data *data;
5025 struct proc_dir_entry *dp = PDE(inode);
5026 struct net_device *dev = dp->data;
5027 struct airo_info *ai = dev->ml_priv;
5031 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5033 data = (struct proc_data *)file->private_data;
5034 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5035 kfree (file->private_data);
5038 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5039 kfree (data->rbuffer);
5040 kfree (file->private_data);
5043 data->maxwritelen = 2048;
5044 data->on_close = proc_config_on_close;
5046 readConfigRid(ai, 1);
5048 mode = ai->config.opmode & MODE_CFG_MASK;
5049 i = sprintf( data->rbuffer,
5054 "DataRates: %d %d %d %d %d %d %d %d\n"
5057 mode == MODE_STA_IBSS ? "adhoc" :
5058 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5059 mode == MODE_AP ? "AP" :
5060 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5061 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5062 ai->config.nodeName,
5063 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5064 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5065 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5067 (int)ai->config.rates[0],
5068 (int)ai->config.rates[1],
5069 (int)ai->config.rates[2],
5070 (int)ai->config.rates[3],
5071 (int)ai->config.rates[4],
5072 (int)ai->config.rates[5],
5073 (int)ai->config.rates[6],
5074 (int)ai->config.rates[7],
5075 le16_to_cpu(ai->config.channelSet),
5076 le16_to_cpu(ai->config.txPower)
5078 sprintf( data->rbuffer + i,
5079 "LongRetryLimit: %d\n"
5080 "ShortRetryLimit: %d\n"
5081 "RTSThreshold: %d\n"
5082 "TXMSDULifetime: %d\n"
5083 "RXMSDULifetime: %d\n"
5086 "FragThreshold: %d\n"
5090 le16_to_cpu(ai->config.longRetryLimit),
5091 le16_to_cpu(ai->config.shortRetryLimit),
5092 le16_to_cpu(ai->config.rtsThres),
5093 le16_to_cpu(ai->config.txLifetime),
5094 le16_to_cpu(ai->config.rxLifetime),
5095 ai->config.txDiversity == 1 ? "left" :
5096 ai->config.txDiversity == 2 ? "right" : "both",
5097 ai->config.rxDiversity == 1 ? "left" :
5098 ai->config.rxDiversity == 2 ? "right" : "both",
5099 le16_to_cpu(ai->config.fragThresh),
5100 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5101 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5102 ai->config.modulation == MOD_DEFAULT ? "default" :
5103 ai->config.modulation == MOD_CCK ? "cck" :
5104 ai->config.modulation == MOD_MOK ? "mok" : "error",
5105 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5106 ai->config.preamble == PREAMBLE_LONG ? "long" :
5107 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5109 data->readlen = strlen( data->rbuffer );
5113 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5115 struct proc_data *data = (struct proc_data *)file->private_data;
5116 struct proc_dir_entry *dp = PDE(inode);
5117 struct net_device *dev = dp->data;
5118 struct airo_info *ai = dev->ml_priv;
5121 char *p = data->wbuffer;
5122 char *end = p + data->writelen;
5124 if (!data->writelen)
5127 *end = '\n'; /* sentinel; we have space for it */
5129 memset(&SSID_rid, 0, sizeof(SSID_rid));
5131 for (i = 0; i < 3 && p < end; i++) {
5133 /* copy up to 32 characters from this line */
5134 while (*p != '\n' && j < 32)
5135 SSID_rid.ssids[i].ssid[j++] = *p++;
5138 SSID_rid.ssids[i].len = cpu_to_le16(j);
5139 /* skip to the beginning of the next line */
5140 while (*p++ != '\n')
5144 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5146 writeSsidRid(ai, &SSID_rid, 1);
5150 static inline u8 hexVal(char c) {
5151 if (c>='0' && c<='9') return c -= '0';
5152 if (c>='a' && c<='f') return c -= 'a'-10;
5153 if (c>='A' && c<='F') return c -= 'A'-10;
5157 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5158 struct proc_data *data = (struct proc_data *)file->private_data;
5159 struct proc_dir_entry *dp = PDE(inode);
5160 struct net_device *dev = dp->data;
5161 struct airo_info *ai = dev->ml_priv;
5162 APListRid APList_rid;
5165 if ( !data->writelen ) return;
5167 memset( &APList_rid, 0, sizeof(APList_rid) );
5168 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5170 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5172 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5175 APList_rid.ap[i][j/3]=
5176 hexVal(data->wbuffer[j+i*6*3])<<4;
5179 APList_rid.ap[i][j/3]|=
5180 hexVal(data->wbuffer[j+i*6*3]);
5186 writeAPListRid(ai, &APList_rid, 1);
5190 /* This function wraps PC4500_writerid with a MAC disable */
5191 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5192 int len, int dummy ) {
5196 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5201 /* Returns the WEP key at the specified index, or -1 if that key does
5202 * not exist. The buffer is assumed to be at least 16 bytes in length.
5204 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5210 rc = readWepKeyRid(ai, &wkr, 1, 1);
5214 lastindex = wkr.kindex;
5215 if (le16_to_cpu(wkr.kindex) == index) {
5216 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5217 memcpy(buf, wkr.key, klen);
5220 rc = readWepKeyRid(ai, &wkr, 0, 1);
5223 } while (lastindex != wkr.kindex);
5227 static int get_wep_tx_idx(struct airo_info *ai)
5233 rc = readWepKeyRid(ai, &wkr, 1, 1);
5237 lastindex = wkr.kindex;
5238 if (wkr.kindex == cpu_to_le16(0xffff))
5240 rc = readWepKeyRid(ai, &wkr, 0, 1);
5243 } while (lastindex != wkr.kindex);
5247 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5248 u16 keylen, int perm, int lock)
5250 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5255 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5260 memset(&wkr, 0, sizeof(wkr));
5261 wkr.len = cpu_to_le16(sizeof(wkr));
5262 wkr.kindex = cpu_to_le16(index);
5263 wkr.klen = cpu_to_le16(keylen);
5264 memcpy(wkr.key, key, keylen);
5265 memcpy(wkr.mac, macaddr, ETH_ALEN);
5267 if (perm) disable_MAC(ai, lock);
5268 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5269 if (perm) enable_MAC(ai, lock);
5273 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5278 memset(&wkr, 0, sizeof(wkr));
5279 wkr.len = cpu_to_le16(sizeof(wkr));
5280 wkr.kindex = cpu_to_le16(0xffff);
5281 wkr.mac[0] = (char)index;
5284 ai->defindex = (char)index;
5285 disable_MAC(ai, lock);
5288 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5291 enable_MAC(ai, lock);
5295 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5296 struct proc_data *data;
5297 struct proc_dir_entry *dp = PDE(inode);
5298 struct net_device *dev = dp->data;
5299 struct airo_info *ai = dev->ml_priv;
5305 memset(key, 0, sizeof(key));
5307 data = (struct proc_data *)file->private_data;
5308 if ( !data->writelen ) return;
5310 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5311 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5312 index = data->wbuffer[0] - '0';
5313 if (data->wbuffer[1] == '\n') {
5314 rc = set_wep_tx_idx(ai, index, 1, 1);
5316 airo_print_err(ai->dev->name, "failed to set "
5317 "WEP transmit index to %d: %d.",
5324 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5328 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5331 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5334 key[i/3] |= hexVal(data->wbuffer[i+j]);
5339 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5341 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5342 "%d: %d.", index, rc);
5346 static int proc_wepkey_open( struct inode *inode, struct file *file )
5348 struct proc_data *data;
5349 struct proc_dir_entry *dp = PDE(inode);
5350 struct net_device *dev = dp->data;
5351 struct airo_info *ai = dev->ml_priv;
5358 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5360 memset(&wkr, 0, sizeof(wkr));
5361 data = (struct proc_data *)file->private_data;
5362 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5363 kfree (file->private_data);
5367 data->maxwritelen = 80;
5368 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5369 kfree (data->rbuffer);
5370 kfree (file->private_data);
5373 data->on_close = proc_wepkey_on_close;
5375 ptr = data->rbuffer;
5376 strcpy(ptr, "No wep keys\n");
5377 rc = readWepKeyRid(ai, &wkr, 1, 1);
5378 if (rc == SUCCESS) do {
5379 lastindex = wkr.kindex;
5380 if (wkr.kindex == cpu_to_le16(0xffff)) {
5381 j += sprintf(ptr+j, "Tx key = %d\n",
5384 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5385 le16_to_cpu(wkr.kindex),
5386 le16_to_cpu(wkr.klen));
5388 readWepKeyRid(ai, &wkr, 0, 1);
5389 } while((lastindex != wkr.kindex) && (j < 180-30));
5391 data->readlen = strlen( data->rbuffer );
5395 static int proc_SSID_open(struct inode *inode, struct file *file)
5397 struct proc_data *data;
5398 struct proc_dir_entry *dp = PDE(inode);
5399 struct net_device *dev = dp->data;
5400 struct airo_info *ai = dev->ml_priv;
5405 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5407 data = (struct proc_data *)file->private_data;
5408 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5409 kfree (file->private_data);
5413 data->maxwritelen = 33*3;
5414 /* allocate maxwritelen + 1; we'll want a sentinel */
5415 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5416 kfree (data->rbuffer);
5417 kfree (file->private_data);
5420 data->on_close = proc_SSID_on_close;
5422 readSsidRid(ai, &SSID_rid);
5423 ptr = data->rbuffer;
5424 for (i = 0; i < 3; i++) {
5426 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5431 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5432 *ptr++ = SSID_rid.ssids[i].ssid[j];
5436 data->readlen = strlen( data->rbuffer );
5440 static int proc_APList_open( struct inode *inode, struct file *file ) {
5441 struct proc_data *data;
5442 struct proc_dir_entry *dp = PDE(inode);
5443 struct net_device *dev = dp->data;
5444 struct airo_info *ai = dev->ml_priv;
5447 APListRid APList_rid;
5449 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5451 data = (struct proc_data *)file->private_data;
5452 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5453 kfree (file->private_data);
5457 data->maxwritelen = 4*6*3;
5458 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5459 kfree (data->rbuffer);
5460 kfree (file->private_data);
5463 data->on_close = proc_APList_on_close;
5465 readAPListRid(ai, &APList_rid);
5466 ptr = data->rbuffer;
5467 for( i = 0; i < 4; i++ ) {
5468 // We end when we find a zero MAC
5469 if ( !*(int*)APList_rid.ap[i] &&
5470 !*(int*)&APList_rid.ap[i][2]) break;
5471 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5473 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5476 data->readlen = strlen( data->rbuffer );
5480 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5481 struct proc_data *data;
5482 struct proc_dir_entry *dp = PDE(inode);
5483 struct net_device *dev = dp->data;
5484 struct airo_info *ai = dev->ml_priv;
5486 BSSListRid BSSList_rid;
5488 /* If doLoseSync is not 1, we won't do a Lose Sync */
5489 int doLoseSync = -1;
5491 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5493 data = (struct proc_data *)file->private_data;
5494 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5495 kfree (file->private_data);
5499 data->maxwritelen = 0;
5500 data->wbuffer = NULL;
5501 data->on_close = NULL;
5503 if (file->f_mode & FMODE_WRITE) {
5504 if (!(file->f_mode & FMODE_READ)) {
5508 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5509 memset(&cmd, 0, sizeof(cmd));
5510 cmd.cmd=CMD_LISTBSS;
5511 if (down_interruptible(&ai->sem))
5512 return -ERESTARTSYS;
5513 issuecommand(ai, &cmd, &rsp);
5520 ptr = data->rbuffer;
5521 /* There is a race condition here if there are concurrent opens.
5522 Since it is a rare condition, we'll just live with it, otherwise
5523 we have to add a spin lock... */
5524 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5525 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5526 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5528 (int)BSSList_rid.ssidLen,
5530 le16_to_cpu(BSSList_rid.dBm));
5531 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5532 le16_to_cpu(BSSList_rid.dsChannel),
5533 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5534 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5535 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5536 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5537 rc = readBSSListRid(ai, 0, &BSSList_rid);
5540 data->readlen = strlen( data->rbuffer );
5544 static int proc_close( struct inode *inode, struct file *file )
5546 struct proc_data *data = file->private_data;
5548 if (data->on_close != NULL)
5549 data->on_close(inode, file);
5550 kfree(data->rbuffer);
5551 kfree(data->wbuffer);
5556 /* Since the card doesn't automatically switch to the right WEP mode,
5557 we will make it do it. If the card isn't associated, every secs we
5558 will switch WEP modes to see if that will help. If the card is
5559 associated we will check every minute to see if anything has
5561 static void timer_func( struct net_device *dev ) {
5562 struct airo_info *apriv = dev->ml_priv;
5564 /* We don't have a link so try changing the authtype */
5565 readConfigRid(apriv, 0);
5566 disable_MAC(apriv, 0);
5567 switch(apriv->config.authType) {
5569 /* So drop to OPEN */
5570 apriv->config.authType = AUTH_OPEN;
5572 case AUTH_SHAREDKEY:
5573 if (apriv->keyindex < auto_wep) {
5574 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5575 apriv->config.authType = AUTH_SHAREDKEY;
5578 /* Drop to ENCRYPT */
5579 apriv->keyindex = 0;
5580 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5581 apriv->config.authType = AUTH_ENCRYPT;
5584 default: /* We'll escalate to SHAREDKEY */
5585 apriv->config.authType = AUTH_SHAREDKEY;
5587 set_bit (FLAG_COMMIT, &apriv->flags);
5588 writeConfigRid(apriv, 0);
5589 enable_MAC(apriv, 0);
5592 /* Schedule check to see if the change worked */
5593 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5594 apriv->expires = RUN_AT(HZ*3);
5598 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5599 const struct pci_device_id *pent)
5601 struct net_device *dev;
5603 if (pci_enable_device(pdev))
5605 pci_set_master(pdev);
5607 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5608 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5610 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5612 pci_disable_device(pdev);
5616 pci_set_drvdata(pdev, dev);
5620 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5622 struct net_device *dev = pci_get_drvdata(pdev);
5624 airo_print_info(dev->name, "Unregistering...");
5625 stop_airo_card(dev, 1);
5626 pci_disable_device(pdev);
5627 pci_set_drvdata(pdev, NULL);
5630 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5632 struct net_device *dev = pci_get_drvdata(pdev);
5633 struct airo_info *ai = dev->ml_priv;
5638 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5642 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5645 readAPListRid(ai, ai->APList);
5646 readSsidRid(ai, ai->SSID);
5647 memset(&cmd, 0, sizeof(cmd));
5648 /* the lock will be released at the end of the resume callback */
5649 if (down_interruptible(&ai->sem))
5652 netif_device_detach(dev);
5654 cmd.cmd = HOSTSLEEP;
5655 issuecommand(ai, &cmd, &rsp);
5657 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5658 pci_save_state(pdev);
5659 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5662 static int airo_pci_resume(struct pci_dev *pdev)
5664 struct net_device *dev = pci_get_drvdata(pdev);
5665 struct airo_info *ai = dev->ml_priv;
5666 pci_power_t prev_state = pdev->current_state;
5668 pci_set_power_state(pdev, PCI_D0);
5669 pci_restore_state(pdev);
5670 pci_enable_wake(pdev, PCI_D0, 0);
5672 if (prev_state != PCI_D1) {
5674 mpi_init_descriptors(ai);
5675 setup_card(ai, dev->dev_addr, 0);
5676 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5677 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 OUT4500(ai, EVACK, EV_AWAKEN);
5684 set_bit(FLAG_COMMIT, &ai->flags);
5688 writeSsidRid(ai, ai->SSID, 0);
5693 writeAPListRid(ai, ai->APList, 0);
5697 writeConfigRid(ai, 0);
5699 ai->power = PMSG_ON;
5700 netif_device_attach(dev);
5701 netif_wake_queue(dev);
5702 enable_interrupts(ai);
5708 static int __init airo_init_module( void )
5712 airo_entry = create_proc_entry("driver/aironet",
5713 S_IFDIR | airo_perm,
5717 airo_entry->uid = proc_uid;
5718 airo_entry->gid = proc_gid;
5721 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5722 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5723 "io=0x%x", irq[i], io[i] );
5724 if (init_airo_card( irq[i], io[i], 0, NULL ))
5729 airo_print_info("", "Probing for PCI adapters");
5730 i = pci_register_driver(&airo_driver);
5731 airo_print_info("", "Finished probing for PCI adapters");
5734 remove_proc_entry("driver/aironet", NULL);
5739 /* Always exit with success, as we are a library module
5740 * as well as a driver module
5745 static void __exit airo_cleanup_module( void )
5747 struct airo_info *ai;
5748 while(!list_empty(&airo_devices)) {
5749 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5750 airo_print_info(ai->dev->name, "Unregistering...");
5751 stop_airo_card(ai->dev, 1);
5754 pci_unregister_driver(&airo_driver);
5756 remove_proc_entry("driver/aironet", NULL);
5760 * Initial Wireless Extension code for Aironet driver by :
5761 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5762 * Conversion to new driver API by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5764 * Javier also did a good amount of work here, adding some new extensions
5765 * and fixing my code. Let's just say that without him this code just
5766 * would not work at all... - Jean II
5769 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5774 return (0x100 - rssi_rid[rssi].rssidBm);
5777 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5784 for (i = 0; i < 256; i++)
5785 if (rssi_rid[i].rssidBm == dbm)
5786 return rssi_rid[i].rssipct;
5792 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5797 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5800 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5803 sq = le16_to_cpu(status_rid->signalQuality);
5804 if (memcmp(cap_rid->prodName, "350", 3))
5808 quality = 0x20 - sq;
5815 quality = 0xb0 - sq;
5819 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5820 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5822 /*------------------------------------------------------------------*/
5824 * Wireless Handler : get protocol name
5826 static int airo_get_name(struct net_device *dev,
5827 struct iw_request_info *info,
5831 strcpy(cwrq, "IEEE 802.11-DS");
5835 /*------------------------------------------------------------------*/
5837 * Wireless Handler : set frequency
5839 static int airo_set_freq(struct net_device *dev,
5840 struct iw_request_info *info,
5841 struct iw_freq *fwrq,
5844 struct airo_info *local = dev->ml_priv;
5845 int rc = -EINPROGRESS; /* Call commit handler */
5847 /* If setting by frequency, convert to a channel */
5849 int f = fwrq->m / 100000;
5851 /* Hack to fall through... */
5853 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5855 /* Setting by channel number */
5856 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 int channel = fwrq->m;
5860 /* We should do a better check than that,
5861 * based on the card capability !!! */
5862 if((channel < 1) || (channel > 14)) {
5863 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 readConfigRid(local, 1);
5868 /* Yes ! We can set it !!! */
5869 local->config.channelSet = cpu_to_le16(channel);
5870 set_bit (FLAG_COMMIT, &local->flags);
5876 /*------------------------------------------------------------------*/
5878 * Wireless Handler : get frequency
5880 static int airo_get_freq(struct net_device *dev,
5881 struct iw_request_info *info,
5882 struct iw_freq *fwrq,
5885 struct airo_info *local = dev->ml_priv;
5886 StatusRid status_rid; /* Card status info */
5889 readConfigRid(local, 1);
5890 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5891 status_rid.channel = local->config.channelSet;
5893 readStatusRid(local, &status_rid, 1);
5895 ch = le16_to_cpu(status_rid.channel);
5896 if((ch > 0) && (ch < 15)) {
5897 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5907 /*------------------------------------------------------------------*/
5909 * Wireless Handler : set ESSID
5911 static int airo_set_essid(struct net_device *dev,
5912 struct iw_request_info *info,
5913 struct iw_point *dwrq,
5916 struct airo_info *local = dev->ml_priv;
5917 SsidRid SSID_rid; /* SSIDs */
5919 /* Reload the list of current SSID */
5920 readSsidRid(local, &SSID_rid);
5922 /* Check if we asked for `any' */
5923 if(dwrq->flags == 0) {
5924 /* Just send an empty SSID list */
5925 memset(&SSID_rid, 0, sizeof(SSID_rid));
5927 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5929 /* Check the size of the string */
5930 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5933 /* Check if index is valid */
5934 if((index < 0) || (index >= 4)) {
5939 memset(SSID_rid.ssids[index].ssid, 0,
5940 sizeof(SSID_rid.ssids[index].ssid));
5941 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5942 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5944 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5945 /* Write it to the card */
5946 disable_MAC(local, 1);
5947 writeSsidRid(local, &SSID_rid, 1);
5948 enable_MAC(local, 1);
5953 /*------------------------------------------------------------------*/
5955 * Wireless Handler : get ESSID
5957 static int airo_get_essid(struct net_device *dev,
5958 struct iw_request_info *info,
5959 struct iw_point *dwrq,
5962 struct airo_info *local = dev->ml_priv;
5963 StatusRid status_rid; /* Card status info */
5965 readStatusRid(local, &status_rid, 1);
5967 /* Note : if dwrq->flags != 0, we should
5968 * get the relevant SSID from the SSID list... */
5970 /* Get the current SSID */
5971 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5972 /* If none, we may want to get the one that was set */
5975 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5976 dwrq->flags = 1; /* active */
5981 /*------------------------------------------------------------------*/
5983 * Wireless Handler : set AP address
5985 static int airo_set_wap(struct net_device *dev,
5986 struct iw_request_info *info,
5987 struct sockaddr *awrq,
5990 struct airo_info *local = dev->ml_priv;
5993 APListRid APList_rid;
5994 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5995 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5997 if (awrq->sa_family != ARPHRD_ETHER)
5999 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6000 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6001 memset(&cmd, 0, sizeof(cmd));
6002 cmd.cmd=CMD_LOSE_SYNC;
6003 if (down_interruptible(&local->sem))
6004 return -ERESTARTSYS;
6005 issuecommand(local, &cmd, &rsp);
6008 memset(&APList_rid, 0, sizeof(APList_rid));
6009 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6010 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6011 disable_MAC(local, 1);
6012 writeAPListRid(local, &APList_rid, 1);
6013 enable_MAC(local, 1);
6018 /*------------------------------------------------------------------*/
6020 * Wireless Handler : get AP address
6022 static int airo_get_wap(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct sockaddr *awrq,
6027 struct airo_info *local = dev->ml_priv;
6028 StatusRid status_rid; /* Card status info */
6030 readStatusRid(local, &status_rid, 1);
6032 /* Tentative. This seems to work, wow, I'm lucky !!! */
6033 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6034 awrq->sa_family = ARPHRD_ETHER;
6039 /*------------------------------------------------------------------*/
6041 * Wireless Handler : set Nickname
6043 static int airo_set_nick(struct net_device *dev,
6044 struct iw_request_info *info,
6045 struct iw_point *dwrq,
6048 struct airo_info *local = dev->ml_priv;
6050 /* Check the size of the string */
6051 if(dwrq->length > 16) {
6054 readConfigRid(local, 1);
6055 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6056 memcpy(local->config.nodeName, extra, dwrq->length);
6057 set_bit (FLAG_COMMIT, &local->flags);
6059 return -EINPROGRESS; /* Call commit handler */
6062 /*------------------------------------------------------------------*/
6064 * Wireless Handler : get Nickname
6066 static int airo_get_nick(struct net_device *dev,
6067 struct iw_request_info *info,
6068 struct iw_point *dwrq,
6071 struct airo_info *local = dev->ml_priv;
6073 readConfigRid(local, 1);
6074 strncpy(extra, local->config.nodeName, 16);
6076 dwrq->length = strlen(extra);
6081 /*------------------------------------------------------------------*/
6083 * Wireless Handler : set Bit-Rate
6085 static int airo_set_rate(struct net_device *dev,
6086 struct iw_request_info *info,
6087 struct iw_param *vwrq,
6090 struct airo_info *local = dev->ml_priv;
6091 CapabilityRid cap_rid; /* Card capability info */
6095 /* First : get a valid bit rate value */
6096 readCapabilityRid(local, &cap_rid, 1);
6098 /* Which type of value ? */
6099 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6100 /* Setting by rate index */
6101 /* Find value in the magic rate table */
6102 brate = cap_rid.supportedRates[vwrq->value];
6104 /* Setting by frequency value */
6105 u8 normvalue = (u8) (vwrq->value/500000);
6107 /* Check if rate is valid */
6108 for(i = 0 ; i < 8 ; i++) {
6109 if(normvalue == cap_rid.supportedRates[i]) {
6115 /* -1 designed the max rate (mostly auto mode) */
6116 if(vwrq->value == -1) {
6117 /* Get the highest available rate */
6118 for(i = 0 ; i < 8 ; i++) {
6119 if(cap_rid.supportedRates[i] == 0)
6123 brate = cap_rid.supportedRates[i - 1];
6125 /* Check that it is valid */
6130 readConfigRid(local, 1);
6131 /* Now, check if we want a fixed or auto value */
6132 if(vwrq->fixed == 0) {
6133 /* Fill all the rates up to this max rate */
6134 memset(local->config.rates, 0, 8);
6135 for(i = 0 ; i < 8 ; i++) {
6136 local->config.rates[i] = cap_rid.supportedRates[i];
6137 if(local->config.rates[i] == brate)
6142 /* One rate, fixed */
6143 memset(local->config.rates, 0, 8);
6144 local->config.rates[0] = brate;
6146 set_bit (FLAG_COMMIT, &local->flags);
6148 return -EINPROGRESS; /* Call commit handler */
6151 /*------------------------------------------------------------------*/
6153 * Wireless Handler : get Bit-Rate
6155 static int airo_get_rate(struct net_device *dev,
6156 struct iw_request_info *info,
6157 struct iw_param *vwrq,
6160 struct airo_info *local = dev->ml_priv;
6161 StatusRid status_rid; /* Card status info */
6163 readStatusRid(local, &status_rid, 1);
6165 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6166 /* If more than one rate, set auto */
6167 readConfigRid(local, 1);
6168 vwrq->fixed = (local->config.rates[1] == 0);
6173 /*------------------------------------------------------------------*/
6175 * Wireless Handler : set RTS threshold
6177 static int airo_set_rts(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_param *vwrq,
6182 struct airo_info *local = dev->ml_priv;
6183 int rthr = vwrq->value;
6186 rthr = AIRO_DEF_MTU;
6187 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6190 readConfigRid(local, 1);
6191 local->config.rtsThres = cpu_to_le16(rthr);
6192 set_bit (FLAG_COMMIT, &local->flags);
6194 return -EINPROGRESS; /* Call commit handler */
6197 /*------------------------------------------------------------------*/
6199 * Wireless Handler : get RTS threshold
6201 static int airo_get_rts(struct net_device *dev,
6202 struct iw_request_info *info,
6203 struct iw_param *vwrq,
6206 struct airo_info *local = dev->ml_priv;
6208 readConfigRid(local, 1);
6209 vwrq->value = le16_to_cpu(local->config.rtsThres);
6210 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6216 /*------------------------------------------------------------------*/
6218 * Wireless Handler : set Fragmentation threshold
6220 static int airo_set_frag(struct net_device *dev,
6221 struct iw_request_info *info,
6222 struct iw_param *vwrq,
6225 struct airo_info *local = dev->ml_priv;
6226 int fthr = vwrq->value;
6229 fthr = AIRO_DEF_MTU;
6230 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6233 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6234 readConfigRid(local, 1);
6235 local->config.fragThresh = cpu_to_le16(fthr);
6236 set_bit (FLAG_COMMIT, &local->flags);
6238 return -EINPROGRESS; /* Call commit handler */
6241 /*------------------------------------------------------------------*/
6243 * Wireless Handler : get Fragmentation threshold
6245 static int airo_get_frag(struct net_device *dev,
6246 struct iw_request_info *info,
6247 struct iw_param *vwrq,
6250 struct airo_info *local = dev->ml_priv;
6252 readConfigRid(local, 1);
6253 vwrq->value = le16_to_cpu(local->config.fragThresh);
6254 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6260 /*------------------------------------------------------------------*/
6262 * Wireless Handler : set Mode of Operation
6264 static int airo_set_mode(struct net_device *dev,
6265 struct iw_request_info *info,
6269 struct airo_info *local = dev->ml_priv;
6272 readConfigRid(local, 1);
6273 if (sniffing_mode(local))
6278 local->config.opmode &= ~MODE_CFG_MASK;
6279 local->config.opmode |= MODE_STA_IBSS;
6280 local->config.rmode &= ~RXMODE_FULL_MASK;
6281 local->config.scanMode = SCANMODE_ACTIVE;
6282 clear_bit (FLAG_802_11, &local->flags);
6285 local->config.opmode &= ~MODE_CFG_MASK;
6286 local->config.opmode |= MODE_STA_ESS;
6287 local->config.rmode &= ~RXMODE_FULL_MASK;
6288 local->config.scanMode = SCANMODE_ACTIVE;
6289 clear_bit (FLAG_802_11, &local->flags);
6291 case IW_MODE_MASTER:
6292 local->config.opmode &= ~MODE_CFG_MASK;
6293 local->config.opmode |= MODE_AP;
6294 local->config.rmode &= ~RXMODE_FULL_MASK;
6295 local->config.scanMode = SCANMODE_ACTIVE;
6296 clear_bit (FLAG_802_11, &local->flags);
6298 case IW_MODE_REPEAT:
6299 local->config.opmode &= ~MODE_CFG_MASK;
6300 local->config.opmode |= MODE_AP_RPTR;
6301 local->config.rmode &= ~RXMODE_FULL_MASK;
6302 local->config.scanMode = SCANMODE_ACTIVE;
6303 clear_bit (FLAG_802_11, &local->flags);
6305 case IW_MODE_MONITOR:
6306 local->config.opmode &= ~MODE_CFG_MASK;
6307 local->config.opmode |= MODE_STA_ESS;
6308 local->config.rmode &= ~RXMODE_FULL_MASK;
6309 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6310 local->config.scanMode = SCANMODE_PASSIVE;
6311 set_bit (FLAG_802_11, &local->flags);
6317 set_bit (FLAG_RESET, &local->flags);
6318 set_bit (FLAG_COMMIT, &local->flags);
6320 return -EINPROGRESS; /* Call commit handler */
6323 /*------------------------------------------------------------------*/
6325 * Wireless Handler : get Mode of Operation
6327 static int airo_get_mode(struct net_device *dev,
6328 struct iw_request_info *info,
6332 struct airo_info *local = dev->ml_priv;
6334 readConfigRid(local, 1);
6335 /* If not managed, assume it's ad-hoc */
6336 switch (local->config.opmode & MODE_CFG_MASK) {
6338 *uwrq = IW_MODE_INFRA;
6341 *uwrq = IW_MODE_MASTER;
6344 *uwrq = IW_MODE_REPEAT;
6347 *uwrq = IW_MODE_ADHOC;
6353 static inline int valid_index(struct airo_info *ai, int index)
6355 return (index >= 0) && (index <= ai->max_wep_idx);
6358 /*------------------------------------------------------------------*/
6360 * Wireless Handler : set Encryption Key
6362 static int airo_set_encode(struct net_device *dev,
6363 struct iw_request_info *info,
6364 struct iw_point *dwrq,
6367 struct airo_info *local = dev->ml_priv;
6368 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6369 __le16 currentAuthType = local->config.authType;
6372 if (!local->wep_capable)
6375 readConfigRid(local, 1);
6377 /* Basic checking: do we have a key to set ?
6378 * Note : with the new API, it's impossible to get a NULL pointer.
6379 * Therefore, we need to check a key size == 0 instead.
6380 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6381 * when no key is present (only change flags), but older versions
6382 * don't do it. - Jean II */
6383 if (dwrq->length > 0) {
6385 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6388 /* Check the size of the key */
6389 if (dwrq->length > MAX_KEY_SIZE) {
6393 current_index = get_wep_tx_idx(local);
6394 if (current_index < 0)
6397 /* Check the index (none -> use current) */
6398 if (!valid_index(local, index))
6399 index = current_index;
6401 /* Set the length */
6402 if (dwrq->length > MIN_KEY_SIZE)
6403 key.len = MAX_KEY_SIZE;
6405 if (dwrq->length > 0)
6406 key.len = MIN_KEY_SIZE;
6408 /* Disable the key */
6410 /* Check if the key is not marked as invalid */
6411 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6413 memset(key.key, 0, MAX_KEY_SIZE);
6414 /* Copy the key in the driver */
6415 memcpy(key.key, extra, dwrq->length);
6416 /* Send the key to the card */
6417 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6419 airo_print_err(local->dev->name, "failed to set"
6420 " WEP key at index %d: %d.",
6425 /* WE specify that if a valid key is set, encryption
6426 * should be enabled (user may turn it off later)
6427 * This is also how "iwconfig ethX key on" works */
6428 if((index == current_index) && (key.len > 0) &&
6429 (local->config.authType == AUTH_OPEN)) {
6430 local->config.authType = AUTH_ENCRYPT;
6433 /* Do we want to just set the transmit key index ? */
6434 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6435 if (valid_index(local, index)) {
6436 rc = set_wep_tx_idx(local, index, perm, 1);
6438 airo_print_err(local->dev->name, "failed to set"
6439 " WEP transmit index to %d: %d.",
6444 /* Don't complain if only change the mode */
6445 if (!(dwrq->flags & IW_ENCODE_MODE))
6449 /* Read the flags */
6450 if(dwrq->flags & IW_ENCODE_DISABLED)
6451 local->config.authType = AUTH_OPEN; // disable encryption
6452 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6453 local->config.authType = AUTH_SHAREDKEY; // Only Both
6454 if(dwrq->flags & IW_ENCODE_OPEN)
6455 local->config.authType = AUTH_ENCRYPT; // Only Wep
6456 /* Commit the changes to flags if needed */
6457 if (local->config.authType != currentAuthType)
6458 set_bit (FLAG_COMMIT, &local->flags);
6459 return -EINPROGRESS; /* Call commit handler */
6462 /*------------------------------------------------------------------*/
6464 * Wireless Handler : get Encryption Key
6466 static int airo_get_encode(struct net_device *dev,
6467 struct iw_request_info *info,
6468 struct iw_point *dwrq,
6471 struct airo_info *local = dev->ml_priv;
6472 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6475 if (!local->wep_capable)
6478 readConfigRid(local, 1);
6480 /* Check encryption mode */
6481 switch(local->config.authType) {
6483 dwrq->flags = IW_ENCODE_OPEN;
6485 case AUTH_SHAREDKEY:
6486 dwrq->flags = IW_ENCODE_RESTRICTED;
6490 dwrq->flags = IW_ENCODE_DISABLED;
6493 /* We can't return the key, so set the proper flag and return zero */
6494 dwrq->flags |= IW_ENCODE_NOKEY;
6495 memset(extra, 0, 16);
6497 /* Which key do we want ? -1 -> tx index */
6498 if (!valid_index(local, index)) {
6499 index = get_wep_tx_idx(local);
6503 dwrq->flags |= index + 1;
6505 /* Copy the key to the user buffer */
6506 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6507 memcpy(extra, buf, dwrq->length);
6512 /*------------------------------------------------------------------*/
6514 * Wireless Handler : set extended Encryption parameters
6516 static int airo_set_encodeext(struct net_device *dev,
6517 struct iw_request_info *info,
6518 union iwreq_data *wrqu,
6521 struct airo_info *local = dev->ml_priv;
6522 struct iw_point *encoding = &wrqu->encoding;
6523 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6524 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6525 __le16 currentAuthType = local->config.authType;
6526 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6529 if (!local->wep_capable)
6532 readConfigRid(local, 1);
6534 /* Determine and validate the key index */
6535 idx = encoding->flags & IW_ENCODE_INDEX;
6537 if (!valid_index(local, idx - 1))
6541 idx = get_wep_tx_idx(local);
6546 if (encoding->flags & IW_ENCODE_DISABLED)
6547 alg = IW_ENCODE_ALG_NONE;
6549 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6550 /* Only set transmit key index here, actual
6551 * key is set below if needed.
6553 rc = set_wep_tx_idx(local, idx, perm, 1);
6555 airo_print_err(local->dev->name, "failed to set "
6556 "WEP transmit index to %d: %d.",
6560 set_key = ext->key_len > 0 ? 1 : 0;
6564 /* Set the requested key first */
6565 memset(key.key, 0, MAX_KEY_SIZE);
6567 case IW_ENCODE_ALG_NONE:
6570 case IW_ENCODE_ALG_WEP:
6571 if (ext->key_len > MIN_KEY_SIZE) {
6572 key.len = MAX_KEY_SIZE;
6573 } else if (ext->key_len > 0) {
6574 key.len = MIN_KEY_SIZE;
6578 key_len = min (ext->key_len, key.len);
6579 memcpy(key.key, ext->key, key_len);
6584 /* Send the key to the card */
6585 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6587 airo_print_err(local->dev->name, "failed to set WEP key"
6588 " at index %d: %d.", idx, rc);
6593 /* Read the flags */
6594 if(encoding->flags & IW_ENCODE_DISABLED)
6595 local->config.authType = AUTH_OPEN; // disable encryption
6596 if(encoding->flags & IW_ENCODE_RESTRICTED)
6597 local->config.authType = AUTH_SHAREDKEY; // Only Both
6598 if(encoding->flags & IW_ENCODE_OPEN)
6599 local->config.authType = AUTH_ENCRYPT; // Only Wep
6600 /* Commit the changes to flags if needed */
6601 if (local->config.authType != currentAuthType)
6602 set_bit (FLAG_COMMIT, &local->flags);
6604 return -EINPROGRESS;
6608 /*------------------------------------------------------------------*/
6610 * Wireless Handler : get extended Encryption parameters
6612 static int airo_get_encodeext(struct net_device *dev,
6613 struct iw_request_info *info,
6614 union iwreq_data *wrqu,
6617 struct airo_info *local = dev->ml_priv;
6618 struct iw_point *encoding = &wrqu->encoding;
6619 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6620 int idx, max_key_len;
6623 if (!local->wep_capable)
6626 readConfigRid(local, 1);
6628 max_key_len = encoding->length - sizeof(*ext);
6629 if (max_key_len < 0)
6632 idx = encoding->flags & IW_ENCODE_INDEX;
6634 if (!valid_index(local, idx - 1))
6638 idx = get_wep_tx_idx(local);
6643 encoding->flags = idx + 1;
6644 memset(ext, 0, sizeof(*ext));
6646 /* Check encryption mode */
6647 switch(local->config.authType) {
6649 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6651 case AUTH_SHAREDKEY:
6652 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6656 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6659 /* We can't return the key, so set the proper flag and return zero */
6660 encoding->flags |= IW_ENCODE_NOKEY;
6661 memset(extra, 0, 16);
6663 /* Copy the key to the user buffer */
6664 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6665 memcpy(extra, buf, ext->key_len);
6671 /*------------------------------------------------------------------*/
6673 * Wireless Handler : set extended authentication parameters
6675 static int airo_set_auth(struct net_device *dev,
6676 struct iw_request_info *info,
6677 union iwreq_data *wrqu, char *extra)
6679 struct airo_info *local = dev->ml_priv;
6680 struct iw_param *param = &wrqu->param;
6681 __le16 currentAuthType = local->config.authType;
6683 switch (param->flags & IW_AUTH_INDEX) {
6684 case IW_AUTH_WPA_VERSION:
6685 case IW_AUTH_CIPHER_PAIRWISE:
6686 case IW_AUTH_CIPHER_GROUP:
6687 case IW_AUTH_KEY_MGMT:
6688 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6689 case IW_AUTH_PRIVACY_INVOKED:
6691 * airo does not use these parameters
6695 case IW_AUTH_DROP_UNENCRYPTED:
6697 /* Only change auth type if unencrypted */
6698 if (currentAuthType == AUTH_OPEN)
6699 local->config.authType = AUTH_ENCRYPT;
6701 local->config.authType = AUTH_OPEN;
6704 /* Commit the changes to flags if needed */
6705 if (local->config.authType != currentAuthType)
6706 set_bit (FLAG_COMMIT, &local->flags);
6709 case IW_AUTH_80211_AUTH_ALG: {
6710 /* FIXME: What about AUTH_OPEN? This API seems to
6711 * disallow setting our auth to AUTH_OPEN.
6713 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6714 local->config.authType = AUTH_SHAREDKEY;
6715 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6716 local->config.authType = AUTH_ENCRYPT;
6721 /* Commit the changes to flags if needed */
6722 if (local->config.authType != currentAuthType)
6723 set_bit (FLAG_COMMIT, &local->flags);
6726 case IW_AUTH_WPA_ENABLED:
6727 /* Silently accept disable of WPA */
6728 if (param->value > 0)
6735 return -EINPROGRESS;
6739 /*------------------------------------------------------------------*/
6741 * Wireless Handler : get extended authentication parameters
6743 static int airo_get_auth(struct net_device *dev,
6744 struct iw_request_info *info,
6745 union iwreq_data *wrqu, char *extra)
6747 struct airo_info *local = dev->ml_priv;
6748 struct iw_param *param = &wrqu->param;
6749 __le16 currentAuthType = local->config.authType;
6751 switch (param->flags & IW_AUTH_INDEX) {
6752 case IW_AUTH_DROP_UNENCRYPTED:
6753 switch (currentAuthType) {
6754 case AUTH_SHAREDKEY:
6764 case IW_AUTH_80211_AUTH_ALG:
6765 switch (currentAuthType) {
6766 case AUTH_SHAREDKEY:
6767 param->value = IW_AUTH_ALG_SHARED_KEY;
6771 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6776 case IW_AUTH_WPA_ENABLED:
6787 /*------------------------------------------------------------------*/
6789 * Wireless Handler : set Tx-Power
6791 static int airo_set_txpow(struct net_device *dev,
6792 struct iw_request_info *info,
6793 struct iw_param *vwrq,
6796 struct airo_info *local = dev->ml_priv;
6797 CapabilityRid cap_rid; /* Card capability info */
6800 __le16 v = cpu_to_le16(vwrq->value);
6802 readCapabilityRid(local, &cap_rid, 1);
6804 if (vwrq->disabled) {
6805 set_bit (FLAG_RADIO_OFF, &local->flags);
6806 set_bit (FLAG_COMMIT, &local->flags);
6807 return -EINPROGRESS; /* Call commit handler */
6809 if (vwrq->flags != IW_TXPOW_MWATT) {
6812 clear_bit (FLAG_RADIO_OFF, &local->flags);
6813 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6814 if (v == cap_rid.txPowerLevels[i]) {
6815 readConfigRid(local, 1);
6816 local->config.txPower = v;
6817 set_bit (FLAG_COMMIT, &local->flags);
6818 rc = -EINPROGRESS; /* Call commit handler */
6824 /*------------------------------------------------------------------*/
6826 * Wireless Handler : get Tx-Power
6828 static int airo_get_txpow(struct net_device *dev,
6829 struct iw_request_info *info,
6830 struct iw_param *vwrq,
6833 struct airo_info *local = dev->ml_priv;
6835 readConfigRid(local, 1);
6836 vwrq->value = le16_to_cpu(local->config.txPower);
6837 vwrq->fixed = 1; /* No power control */
6838 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6839 vwrq->flags = IW_TXPOW_MWATT;
6844 /*------------------------------------------------------------------*/
6846 * Wireless Handler : set Retry limits
6848 static int airo_set_retry(struct net_device *dev,
6849 struct iw_request_info *info,
6850 struct iw_param *vwrq,
6853 struct airo_info *local = dev->ml_priv;
6856 if(vwrq->disabled) {
6859 readConfigRid(local, 1);
6860 if(vwrq->flags & IW_RETRY_LIMIT) {
6861 __le16 v = cpu_to_le16(vwrq->value);
6862 if(vwrq->flags & IW_RETRY_LONG)
6863 local->config.longRetryLimit = v;
6864 else if (vwrq->flags & IW_RETRY_SHORT)
6865 local->config.shortRetryLimit = v;
6867 /* No modifier : set both */
6868 local->config.longRetryLimit = v;
6869 local->config.shortRetryLimit = v;
6871 set_bit (FLAG_COMMIT, &local->flags);
6872 rc = -EINPROGRESS; /* Call commit handler */
6874 if(vwrq->flags & IW_RETRY_LIFETIME) {
6875 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6876 set_bit (FLAG_COMMIT, &local->flags);
6877 rc = -EINPROGRESS; /* Call commit handler */
6882 /*------------------------------------------------------------------*/
6884 * Wireless Handler : get Retry limits
6886 static int airo_get_retry(struct net_device *dev,
6887 struct iw_request_info *info,
6888 struct iw_param *vwrq,
6891 struct airo_info *local = dev->ml_priv;
6893 vwrq->disabled = 0; /* Can't be disabled */
6895 readConfigRid(local, 1);
6896 /* Note : by default, display the min retry number */
6897 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6898 vwrq->flags = IW_RETRY_LIFETIME;
6899 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6900 } else if((vwrq->flags & IW_RETRY_LONG)) {
6901 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6902 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6904 vwrq->flags = IW_RETRY_LIMIT;
6905 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6906 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6907 vwrq->flags |= IW_RETRY_SHORT;
6913 /*------------------------------------------------------------------*/
6915 * Wireless Handler : get range info
6917 static int airo_get_range(struct net_device *dev,
6918 struct iw_request_info *info,
6919 struct iw_point *dwrq,
6922 struct airo_info *local = dev->ml_priv;
6923 struct iw_range *range = (struct iw_range *) extra;
6924 CapabilityRid cap_rid; /* Card capability info */
6928 readCapabilityRid(local, &cap_rid, 1);
6930 dwrq->length = sizeof(struct iw_range);
6931 memset(range, 0, sizeof(*range));
6932 range->min_nwid = 0x0000;
6933 range->max_nwid = 0x0000;
6934 range->num_channels = 14;
6935 /* Should be based on cap_rid.country to give only
6936 * what the current card support */
6938 for(i = 0; i < 14; i++) {
6939 range->freq[k].i = i + 1; /* List index */
6940 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6941 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6943 range->num_frequency = k;
6945 range->sensitivity = 65535;
6947 /* Hum... Should put the right values there */
6949 range->max_qual.qual = 100; /* % */
6951 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6952 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6953 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6955 /* Experimental measurements - boundary 11/5.5 Mb/s */
6956 /* Note : with or without the (local->rssi), results
6957 * are somewhat different. - Jean II */
6959 range->avg_qual.qual = 50; /* % */
6960 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6962 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6963 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6965 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6967 for(i = 0 ; i < 8 ; i++) {
6968 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6969 if(range->bitrate[i] == 0)
6972 range->num_bitrates = i;
6974 /* Set an indication of the max TCP throughput
6975 * in bit/s that we can expect using this interface.
6976 * May be use for QoS stuff... Jean II */
6978 range->throughput = 5000 * 1000;
6980 range->throughput = 1500 * 1000;
6983 range->max_rts = AIRO_DEF_MTU;
6984 range->min_frag = 256;
6985 range->max_frag = AIRO_DEF_MTU;
6987 if(cap_rid.softCap & cpu_to_le16(2)) {
6989 range->encoding_size[0] = 5;
6991 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6992 range->encoding_size[1] = 13;
6993 range->num_encoding_sizes = 2;
6995 range->num_encoding_sizes = 1;
6996 range->max_encoding_tokens =
6997 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6999 range->num_encoding_sizes = 0;
7000 range->max_encoding_tokens = 0;
7003 range->max_pmp = 5000000; /* 5 secs */
7005 range->max_pmt = 65535 * 1024; /* ??? */
7006 range->pmp_flags = IW_POWER_PERIOD;
7007 range->pmt_flags = IW_POWER_TIMEOUT;
7008 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7010 /* Transmit Power - values are in mW */
7011 for(i = 0 ; i < 8 ; i++) {
7012 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7013 if(range->txpower[i] == 0)
7016 range->num_txpower = i;
7017 range->txpower_capa = IW_TXPOW_MWATT;
7018 range->we_version_source = 19;
7019 range->we_version_compiled = WIRELESS_EXT;
7020 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7021 range->retry_flags = IW_RETRY_LIMIT;
7022 range->r_time_flags = IW_RETRY_LIFETIME;
7023 range->min_retry = 1;
7024 range->max_retry = 65535;
7025 range->min_r_time = 1024;
7026 range->max_r_time = 65535 * 1024;
7028 /* Event capability (kernel + driver) */
7029 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7030 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7031 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7032 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7033 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7034 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7038 /*------------------------------------------------------------------*/
7040 * Wireless Handler : set Power Management
7042 static int airo_set_power(struct net_device *dev,
7043 struct iw_request_info *info,
7044 struct iw_param *vwrq,
7047 struct airo_info *local = dev->ml_priv;
7049 readConfigRid(local, 1);
7050 if (vwrq->disabled) {
7051 if (sniffing_mode(local))
7053 local->config.powerSaveMode = POWERSAVE_CAM;
7054 local->config.rmode &= ~RXMODE_MASK;
7055 local->config.rmode |= RXMODE_BC_MC_ADDR;
7056 set_bit (FLAG_COMMIT, &local->flags);
7057 return -EINPROGRESS; /* Call commit handler */
7059 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7060 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7061 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7062 set_bit (FLAG_COMMIT, &local->flags);
7063 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7064 local->config.fastListenInterval =
7065 local->config.listenInterval =
7066 cpu_to_le16((vwrq->value + 500) / 1024);
7067 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7068 set_bit (FLAG_COMMIT, &local->flags);
7070 switch (vwrq->flags & IW_POWER_MODE) {
7071 case IW_POWER_UNICAST_R:
7072 if (sniffing_mode(local))
7074 local->config.rmode &= ~RXMODE_MASK;
7075 local->config.rmode |= RXMODE_ADDR;
7076 set_bit (FLAG_COMMIT, &local->flags);
7078 case IW_POWER_ALL_R:
7079 if (sniffing_mode(local))
7081 local->config.rmode &= ~RXMODE_MASK;
7082 local->config.rmode |= RXMODE_BC_MC_ADDR;
7083 set_bit (FLAG_COMMIT, &local->flags);
7085 /* This is broken, fixme ;-) */
7090 // Note : we may want to factor local->need_commit here
7091 // Note2 : may also want to factor RXMODE_RFMON test
7092 return -EINPROGRESS; /* Call commit handler */
7095 /*------------------------------------------------------------------*/
7097 * Wireless Handler : get Power Management
7099 static int airo_get_power(struct net_device *dev,
7100 struct iw_request_info *info,
7101 struct iw_param *vwrq,
7104 struct airo_info *local = dev->ml_priv;
7107 readConfigRid(local, 1);
7108 mode = local->config.powerSaveMode;
7109 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7111 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7112 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7113 vwrq->flags = IW_POWER_TIMEOUT;
7115 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7116 vwrq->flags = IW_POWER_PERIOD;
7118 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7119 vwrq->flags |= IW_POWER_UNICAST_R;
7121 vwrq->flags |= IW_POWER_ALL_R;
7126 /*------------------------------------------------------------------*/
7128 * Wireless Handler : set Sensitivity
7130 static int airo_set_sens(struct net_device *dev,
7131 struct iw_request_info *info,
7132 struct iw_param *vwrq,
7135 struct airo_info *local = dev->ml_priv;
7137 readConfigRid(local, 1);
7138 local->config.rssiThreshold =
7139 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7140 set_bit (FLAG_COMMIT, &local->flags);
7142 return -EINPROGRESS; /* Call commit handler */
7145 /*------------------------------------------------------------------*/
7147 * Wireless Handler : get Sensitivity
7149 static int airo_get_sens(struct net_device *dev,
7150 struct iw_request_info *info,
7151 struct iw_param *vwrq,
7154 struct airo_info *local = dev->ml_priv;
7156 readConfigRid(local, 1);
7157 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7158 vwrq->disabled = (vwrq->value == 0);
7164 /*------------------------------------------------------------------*/
7166 * Wireless Handler : get AP List
7167 * Note : this is deprecated in favor of IWSCAN
7169 static int airo_get_aplist(struct net_device *dev,
7170 struct iw_request_info *info,
7171 struct iw_point *dwrq,
7174 struct airo_info *local = dev->ml_priv;
7175 struct sockaddr *address = (struct sockaddr *) extra;
7176 struct iw_quality *qual;
7179 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7181 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7185 for (i = 0; i < IW_MAX_AP; i++) {
7187 if (readBSSListRid(local, loseSync, &BSSList))
7190 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7191 address[i].sa_family = ARPHRD_ETHER;
7192 dBm = le16_to_cpu(BSSList.dBm);
7194 qual[i].level = 0x100 - dBm;
7195 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7196 qual[i].updated = IW_QUAL_QUAL_UPDATED
7197 | IW_QUAL_LEVEL_UPDATED
7200 qual[i].level = (dBm + 321) / 2;
7202 qual[i].updated = IW_QUAL_QUAL_INVALID
7203 | IW_QUAL_LEVEL_UPDATED
7206 qual[i].noise = local->wstats.qual.noise;
7207 if (BSSList.index == cpu_to_le16(0xffff))
7211 StatusRid status_rid; /* Card status info */
7212 readStatusRid(local, &status_rid, 1);
7214 i < min(IW_MAX_AP, 4) &&
7215 (status_rid.bssid[i][0]
7216 & status_rid.bssid[i][1]
7217 & status_rid.bssid[i][2]
7218 & status_rid.bssid[i][3]
7219 & status_rid.bssid[i][4]
7220 & status_rid.bssid[i][5])!=0xff &&
7221 (status_rid.bssid[i][0]
7222 | status_rid.bssid[i][1]
7223 | status_rid.bssid[i][2]
7224 | status_rid.bssid[i][3]
7225 | status_rid.bssid[i][4]
7226 | status_rid.bssid[i][5]);
7228 memcpy(address[i].sa_data,
7229 status_rid.bssid[i], ETH_ALEN);
7230 address[i].sa_family = ARPHRD_ETHER;
7233 dwrq->flags = 1; /* Should be define'd */
7234 memcpy(extra + sizeof(struct sockaddr)*i,
7235 &qual, sizeof(struct iw_quality)*i);
7243 /*------------------------------------------------------------------*/
7245 * Wireless Handler : Initiate Scan
7247 static int airo_set_scan(struct net_device *dev,
7248 struct iw_request_info *info,
7249 struct iw_point *dwrq,
7252 struct airo_info *ai = dev->ml_priv;
7257 /* Note : you may have realised that, as this is a SET operation,
7258 * this is privileged and therefore a normal user can't
7260 * This is not an error, while the device perform scanning,
7261 * traffic doesn't flow, so it's a perfect DoS...
7263 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7265 if (down_interruptible(&ai->sem))
7266 return -ERESTARTSYS;
7268 /* If there's already a scan in progress, don't
7269 * trigger another one. */
7270 if (ai->scan_timeout > 0)
7273 /* Initiate a scan command */
7274 ai->scan_timeout = RUN_AT(3*HZ);
7275 memset(&cmd, 0, sizeof(cmd));
7276 cmd.cmd=CMD_LISTBSS;
7277 issuecommand(ai, &cmd, &rsp);
7283 wake_up_interruptible(&ai->thr_wait);
7287 /*------------------------------------------------------------------*/
7289 * Translate scan data returned from the card to a card independent
7290 * format that the Wireless Tools will understand - Jean II
7292 static inline char *airo_translate_scan(struct net_device *dev,
7293 struct iw_request_info *info,
7298 struct airo_info *ai = dev->ml_priv;
7299 struct iw_event iwe; /* Temporary buffer */
7300 __le16 capabilities;
7301 char * current_val; /* For rates */
7306 /* First entry *MUST* be the AP MAC address */
7307 iwe.cmd = SIOCGIWAP;
7308 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7309 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7310 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7311 &iwe, IW_EV_ADDR_LEN);
7313 /* Other entries will be displayed in the order we give them */
7316 iwe.u.data.length = bss->ssidLen;
7317 if(iwe.u.data.length > 32)
7318 iwe.u.data.length = 32;
7319 iwe.cmd = SIOCGIWESSID;
7320 iwe.u.data.flags = 1;
7321 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7325 iwe.cmd = SIOCGIWMODE;
7326 capabilities = bss->cap;
7327 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7328 if(capabilities & CAP_ESS)
7329 iwe.u.mode = IW_MODE_MASTER;
7331 iwe.u.mode = IW_MODE_ADHOC;
7332 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7333 &iwe, IW_EV_UINT_LEN);
7337 iwe.cmd = SIOCGIWFREQ;
7338 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7339 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7341 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7342 &iwe, IW_EV_FREQ_LEN);
7344 dBm = le16_to_cpu(bss->dBm);
7346 /* Add quality statistics */
7349 iwe.u.qual.level = 0x100 - dBm;
7350 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7351 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7352 | IW_QUAL_LEVEL_UPDATED
7355 iwe.u.qual.level = (dBm + 321) / 2;
7356 iwe.u.qual.qual = 0;
7357 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7358 | IW_QUAL_LEVEL_UPDATED
7361 iwe.u.qual.noise = ai->wstats.qual.noise;
7362 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7363 &iwe, IW_EV_QUAL_LEN);
7365 /* Add encryption capability */
7366 iwe.cmd = SIOCGIWENCODE;
7367 if(capabilities & CAP_PRIVACY)
7368 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7370 iwe.u.data.flags = IW_ENCODE_DISABLED;
7371 iwe.u.data.length = 0;
7372 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7375 /* Rate : stuffing multiple values in a single event require a bit
7376 * more of magic - Jean II */
7377 current_val = current_ev + iwe_stream_lcp_len(info);
7379 iwe.cmd = SIOCGIWRATE;
7380 /* Those two flags are ignored... */
7381 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7383 for(i = 0 ; i < 8 ; i++) {
7384 /* NULL terminated */
7385 if(bss->rates[i] == 0)
7387 /* Bit rate given in 500 kb/s units (+ 0x80) */
7388 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7389 /* Add new value to event */
7390 current_val = iwe_stream_add_value(info, current_ev,
7391 current_val, end_buf,
7392 &iwe, IW_EV_PARAM_LEN);
7394 /* Check if we added any event */
7395 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7396 current_ev = current_val;
7398 /* Beacon interval */
7399 buf = kmalloc(30, GFP_KERNEL);
7401 iwe.cmd = IWEVCUSTOM;
7402 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7403 iwe.u.data.length = strlen(buf);
7404 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7409 /* Put WPA/RSN Information Elements into the event stream */
7410 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7411 unsigned int num_null_ies = 0;
7412 u16 length = sizeof (bss->extra.iep);
7413 u8 *ie = (void *)&bss->extra.iep;
7415 while ((length >= 2) && (num_null_ies < 2)) {
7416 if (2 + ie[1] > length) {
7417 /* Invalid element, don't continue parsing IE */
7423 /* Two zero-length SSID elements
7424 * mean we're done parsing elements */
7429 case WLAN_EID_GENERIC:
7435 iwe.cmd = IWEVGENIE;
7436 /* 64 is an arbitrary cut-off */
7437 iwe.u.data.length = min(ie[1] + 2,
7439 current_ev = iwe_stream_add_point(
7446 iwe.cmd = IWEVGENIE;
7447 /* 64 is an arbitrary cut-off */
7448 iwe.u.data.length = min(ie[1] + 2, 64);
7449 current_ev = iwe_stream_add_point(
7450 info, current_ev, end_buf,
7458 length -= 2 + ie[1];
7465 /*------------------------------------------------------------------*/
7467 * Wireless Handler : Read Scan Results
7469 static int airo_get_scan(struct net_device *dev,
7470 struct iw_request_info *info,
7471 struct iw_point *dwrq,
7474 struct airo_info *ai = dev->ml_priv;
7475 BSSListElement *net;
7477 char *current_ev = extra;
7479 /* If a scan is in-progress, return -EAGAIN */
7480 if (ai->scan_timeout > 0)
7483 if (down_interruptible(&ai->sem))
7486 list_for_each_entry (net, &ai->network_list, list) {
7487 /* Translate to WE format this entry */
7488 current_ev = airo_translate_scan(dev, info, current_ev,
7489 extra + dwrq->length,
7492 /* Check if there is space for one more entry */
7493 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7494 /* Ask user space to try again with a bigger buffer */
7500 /* Length of data */
7501 dwrq->length = (current_ev - extra);
7502 dwrq->flags = 0; /* todo */
7509 /*------------------------------------------------------------------*/
7511 * Commit handler : called after a bunch of SET operations
7513 static int airo_config_commit(struct net_device *dev,
7514 struct iw_request_info *info, /* NULL */
7515 void *zwrq, /* NULL */
7516 char *extra) /* NULL */
7518 struct airo_info *local = dev->ml_priv;
7520 if (!test_bit (FLAG_COMMIT, &local->flags))
7523 /* Some of the "SET" function may have modified some of the
7524 * parameters. It's now time to commit them in the card */
7525 disable_MAC(local, 1);
7526 if (test_bit (FLAG_RESET, &local->flags)) {
7527 APListRid APList_rid;
7530 readAPListRid(local, &APList_rid);
7531 readSsidRid(local, &SSID_rid);
7532 if (test_bit(FLAG_MPI,&local->flags))
7533 setup_card(local, dev->dev_addr, 1 );
7535 reset_airo_card(dev);
7536 disable_MAC(local, 1);
7537 writeSsidRid(local, &SSID_rid, 1);
7538 writeAPListRid(local, &APList_rid, 1);
7540 if (down_interruptible(&local->sem))
7541 return -ERESTARTSYS;
7542 writeConfigRid(local, 0);
7543 enable_MAC(local, 0);
7544 if (test_bit (FLAG_RESET, &local->flags))
7545 airo_set_promisc(local);
7552 /*------------------------------------------------------------------*/
7554 * Structures to export the Wireless Handlers
7557 static const struct iw_priv_args airo_private_args[] = {
7558 /*{ cmd, set_args, get_args, name } */
7559 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7560 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7561 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7562 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7565 static const iw_handler airo_handler[] =
7567 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7568 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7569 (iw_handler) NULL, /* SIOCSIWNWID */
7570 (iw_handler) NULL, /* SIOCGIWNWID */
7571 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7572 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7573 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7574 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7575 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7576 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7577 (iw_handler) NULL, /* SIOCSIWRANGE */
7578 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7579 (iw_handler) NULL, /* SIOCSIWPRIV */
7580 (iw_handler) NULL, /* SIOCGIWPRIV */
7581 (iw_handler) NULL, /* SIOCSIWSTATS */
7582 (iw_handler) NULL, /* SIOCGIWSTATS */
7583 iw_handler_set_spy, /* SIOCSIWSPY */
7584 iw_handler_get_spy, /* SIOCGIWSPY */
7585 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7586 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7587 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7588 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7589 (iw_handler) NULL, /* -- hole -- */
7590 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7591 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7592 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7593 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7594 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7595 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7596 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7597 (iw_handler) NULL, /* -- hole -- */
7598 (iw_handler) NULL, /* -- hole -- */
7599 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7600 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7601 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7602 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7603 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7604 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7605 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7606 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7607 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7608 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7609 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7610 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7611 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7612 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7613 (iw_handler) NULL, /* -- hole -- */
7614 (iw_handler) NULL, /* -- hole -- */
7615 (iw_handler) NULL, /* SIOCSIWGENIE */
7616 (iw_handler) NULL, /* SIOCGIWGENIE */
7617 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7618 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7619 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7620 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7621 (iw_handler) NULL, /* SIOCSIWPMKSA */
7624 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7625 * We want to force the use of the ioctl code, because those can't be
7626 * won't work the iw_handler code (because they simultaneously read
7627 * and write data and iw_handler can't do that).
7628 * Note that it's perfectly legal to read/write on a single ioctl command,
7629 * you just can't use iwpriv and need to force it via the ioctl handler.
7631 static const iw_handler airo_private_handler[] =
7633 NULL, /* SIOCIWFIRSTPRIV */
7636 static const struct iw_handler_def airo_handler_def =
7638 .num_standard = ARRAY_SIZE(airo_handler),
7639 .num_private = ARRAY_SIZE(airo_private_handler),
7640 .num_private_args = ARRAY_SIZE(airo_private_args),
7641 .standard = airo_handler,
7642 .private = airo_private_handler,
7643 .private_args = airo_private_args,
7644 .get_wireless_stats = airo_get_wireless_stats,
7648 * This defines the configuration part of the Wireless Extensions
7649 * Note : irq and spinlock protection will occur in the subroutines
7652 * o Check input value more carefully and fill correct values in range
7653 * o Test and shakeout the bugs (if any)
7657 * Javier Achirica did a great job of merging code from the unnamed CISCO
7658 * developer that added support for flashing the card.
7660 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7663 struct airo_info *ai = dev->ml_priv;
7665 if (ai->power.event)
7675 int val = AIROMAGIC;
7677 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7679 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7688 /* Get the command struct and hand it off for evaluation by
7689 * the proper subfunction
7693 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7698 /* Separate R/W functions bracket legality here
7700 if ( com.command == AIRORSWVERSION ) {
7701 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7706 else if ( com.command <= AIRORRID)
7707 rc = readrids(dev,&com);
7708 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7709 rc = writerids(dev,&com);
7710 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7711 rc = flashcard(dev,&com);
7713 rc = -EINVAL; /* Bad command in ioctl */
7716 #endif /* CISCO_EXT */
7718 // All other calls are currently unsupported
7726 * Get the Wireless stats out of the driver
7727 * Note : irq and spinlock protection will occur in the subroutines
7730 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7734 static void airo_read_wireless_stats(struct airo_info *local)
7736 StatusRid status_rid;
7738 CapabilityRid cap_rid;
7739 __le32 *vals = stats_rid.vals;
7741 /* Get stats out of the card */
7742 clear_bit(JOB_WSTATS, &local->jobs);
7743 if (local->power.event) {
7747 readCapabilityRid(local, &cap_rid, 0);
7748 readStatusRid(local, &status_rid, 0);
7749 readStatsRid(local, &stats_rid, RID_STATS, 0);
7753 local->wstats.status = le16_to_cpu(status_rid.mode);
7755 /* Signal quality and co */
7757 local->wstats.qual.level =
7758 airo_rssi_to_dbm(local->rssi,
7759 le16_to_cpu(status_rid.sigQuality));
7760 /* normalizedSignalStrength appears to be a percentage */
7761 local->wstats.qual.qual =
7762 le16_to_cpu(status_rid.normalizedSignalStrength);
7764 local->wstats.qual.level =
7765 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7766 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7768 if (le16_to_cpu(status_rid.len) >= 124) {
7769 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7770 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7772 local->wstats.qual.noise = 0;
7773 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7776 /* Packets discarded in the wireless adapter due to wireless
7777 * specific problems */
7778 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7779 le32_to_cpu(vals[57]) +
7780 le32_to_cpu(vals[58]); /* SSID Mismatch */
7781 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7782 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7783 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7784 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7785 le32_to_cpu(vals[32]);
7786 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7789 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7791 struct airo_info *local = dev->ml_priv;
7793 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7794 /* Get stats out of the card if available */
7795 if (down_trylock(&local->sem) != 0) {
7796 set_bit(JOB_WSTATS, &local->jobs);
7797 wake_up_interruptible(&local->thr_wait);
7799 airo_read_wireless_stats(local);
7802 return &local->wstats;
7807 * This just translates from driver IOCTL codes to the command codes to
7808 * feed to the radio's host interface. Things can be added/deleted
7809 * as needed. This represents the READ side of control I/O to
7812 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7813 unsigned short ridcode;
7814 unsigned char *iobuf;
7816 struct airo_info *ai = dev->ml_priv;
7818 if (test_bit(FLAG_FLASHING, &ai->flags))
7821 switch(comp->command)
7823 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7824 case AIROGCFG: ridcode = RID_CONFIG;
7825 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7826 disable_MAC (ai, 1);
7827 writeConfigRid (ai, 1);
7831 case AIROGSLIST: ridcode = RID_SSID; break;
7832 case AIROGVLIST: ridcode = RID_APLIST; break;
7833 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7834 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7835 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7836 /* Only super-user can read WEP keys */
7837 if (!capable(CAP_NET_ADMIN))
7840 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7841 /* Only super-user can read WEP keys */
7842 if (!capable(CAP_NET_ADMIN))
7845 case AIROGSTAT: ridcode = RID_STATUS; break;
7846 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7847 case AIROGSTATSC32: ridcode = RID_STATS; break;
7849 if (copy_to_user(comp->data, &ai->micstats,
7850 min((int)comp->len,(int)sizeof(ai->micstats))))
7853 case AIRORRID: ridcode = comp->ridnum; break;
7859 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7862 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7863 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7864 * then return it to the user
7865 * 9/22/2000 Honor user given length
7869 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7878 * Danger Will Robinson write the rids here
7881 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7882 struct airo_info *ai = dev->ml_priv;
7885 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7886 unsigned char *iobuf;
7888 /* Only super-user can write RIDs */
7889 if (!capable(CAP_NET_ADMIN))
7892 if (test_bit(FLAG_FLASHING, &ai->flags))
7896 writer = do_writerid;
7898 switch(comp->command)
7900 case AIROPSIDS: ridcode = RID_SSID; break;
7901 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7902 case AIROPAPLIST: ridcode = RID_APLIST; break;
7903 case AIROPCFG: ai->config.len = 0;
7904 clear_bit(FLAG_COMMIT, &ai->flags);
7905 ridcode = RID_CONFIG; break;
7906 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7907 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7908 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7909 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7911 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7912 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7914 /* this is not really a rid but a command given to the card
7918 if (enable_MAC(ai, 1) != 0)
7923 * Evidently this code in the airo driver does not get a symbol
7924 * as disable_MAC. it's probably so short the compiler does not gen one.
7930 /* This command merely clears the counts does not actually store any data
7931 * only reads rid. But as it changes the cards state, I put it in the
7932 * writerid routines.
7935 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7938 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7940 enabled = ai->micstats.enabled;
7941 memset(&ai->micstats,0,sizeof(ai->micstats));
7942 ai->micstats.enabled = enabled;
7944 if (copy_to_user(comp->data, iobuf,
7945 min((int)comp->len, (int)RIDSIZE))) {
7953 return -EOPNOTSUPP; /* Blarg! */
7955 if(comp->len > RIDSIZE)
7958 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7961 if (copy_from_user(iobuf,comp->data,comp->len)) {
7966 if (comp->command == AIROPCFG) {
7967 ConfigRid *cfg = (ConfigRid *)iobuf;
7969 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7970 cfg->opmode |= MODE_MIC;
7972 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7973 set_bit (FLAG_ADHOC, &ai->flags);
7975 clear_bit (FLAG_ADHOC, &ai->flags);
7978 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7986 /*****************************************************************************
7987 * Ancillary flash / mod functions much black magic lurkes here *
7988 *****************************************************************************
7992 * Flash command switch table
7995 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7998 /* Only super-user can modify flash */
7999 if (!capable(CAP_NET_ADMIN))
8002 switch(comp->command)
8005 return cmdreset((struct airo_info *)dev->ml_priv);
8008 if (!AIRO_FLASH(dev) &&
8009 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8011 return setflashmode((struct airo_info *)dev->ml_priv);
8013 case AIROFLSHGCHR: /* Get char from aux */
8014 if(comp->len != sizeof(int))
8016 if (copy_from_user(&z,comp->data,comp->len))
8018 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8020 case AIROFLSHPCHR: /* Send char to card. */
8021 if(comp->len != sizeof(int))
8023 if (copy_from_user(&z,comp->data,comp->len))
8025 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8027 case AIROFLPUTBUF: /* Send 32k to card */
8028 if (!AIRO_FLASH(dev))
8030 if(comp->len > FLASHSIZE)
8032 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8035 flashputbuf((struct airo_info *)dev->ml_priv);
8039 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8046 #define FLASH_COMMAND 0x7e7e
8050 * Disable MAC and do soft reset on
8054 static int cmdreset(struct airo_info *ai) {
8058 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8062 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8064 ssleep(1); /* WAS 600 12/7/00 */
8067 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8074 * Put the card in legendary flash
8078 static int setflashmode (struct airo_info *ai) {
8079 set_bit (FLAG_FLASHING, &ai->flags);
8081 OUT4500(ai, SWS0, FLASH_COMMAND);
8082 OUT4500(ai, SWS1, FLASH_COMMAND);
8084 OUT4500(ai, SWS0, FLASH_COMMAND);
8085 OUT4500(ai, COMMAND,0x10);
8087 OUT4500(ai, SWS2, FLASH_COMMAND);
8088 OUT4500(ai, SWS3, FLASH_COMMAND);
8089 OUT4500(ai, COMMAND,0);
8091 msleep(500); /* 500ms delay */
8094 clear_bit (FLAG_FLASHING, &ai->flags);
8095 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8101 /* Put character to SWS0 wait for dwelltime
8105 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8116 /* Wait for busy bit d15 to go false indicating buffer empty */
8117 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8122 /* timeout for busy clear wait */
8124 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8128 /* Port is clear now write byte and wait for it to echo back */
8130 OUT4500(ai,SWS0,byte);
8133 echo = IN4500(ai,SWS1);
8134 } while (dwelltime >= 0 && echo != byte);
8138 return (echo == byte) ? 0 : -EIO;
8142 * Get a character from the card matching matchbyte
8145 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8147 unsigned char rbyte=0;
8150 rchar = IN4500(ai,SWS1);
8152 if(dwelltime && !(0x8000 & rchar)){
8157 rbyte = 0xff & rchar;
8159 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8163 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8167 }while(dwelltime > 0);
8172 * Transfer 32k of firmware data from user buffer to our buffer and
8176 static int flashputbuf(struct airo_info *ai){
8180 if (test_bit(FLAG_MPI,&ai->flags))
8181 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8183 OUT4500(ai,AUXPAGE,0x100);
8184 OUT4500(ai,AUXOFF,0);
8186 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8187 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8190 OUT4500(ai,SWS0,0x8000);
8198 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8201 ssleep(1); /* Added 12/7/00 */
8202 clear_bit (FLAG_FLASHING, &ai->flags);
8203 if (test_bit(FLAG_MPI, &ai->flags)) {
8204 status = mpi_init_descriptors(ai);
8205 if (status != SUCCESS)
8208 status = setup_card(ai, dev->dev_addr, 1);
8210 if (!test_bit(FLAG_MPI,&ai->flags))
8211 for( i = 0; i < MAX_FIDS; i++ ) {
8212 ai->fids[i] = transmit_allocate
8213 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8216 ssleep(1); /* Added 12/7/00 */
8219 #endif /* CISCO_EXT */
8222 This program is free software; you can redistribute it and/or
8223 modify it under the terms of the GNU General Public License
8224 as published by the Free Software Foundation; either version 2
8225 of the License, or (at your option) any later version.
8227 This program is distributed in the hope that it will be useful,
8228 but WITHOUT ANY WARRANTY; without even the implied warranty of
8229 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8230 GNU General Public License for more details.
8234 Redistribution and use in source and binary forms, with or without
8235 modification, are permitted provided that the following conditions
8238 1. Redistributions of source code must retain the above copyright
8239 notice, this list of conditions and the following disclaimer.
8240 2. Redistributions in binary form must reproduce the above copyright
8241 notice, this list of conditions and the following disclaimer in the
8242 documentation and/or other materials provided with the distribution.
8243 3. The name of the author may not be used to endorse or promote
8244 products derived from this software without specific prior written
8247 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8248 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8249 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8250 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8251 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8252 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8253 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8254 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8255 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8256 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8257 POSSIBILITY OF SUCH DAMAGE.
8260 module_init(airo_init_module);
8261 module_exit(airo_cleanup_module);