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 /* Backward compatibility */
1098 #ifndef IW_ENCODE_NOKEY
1099 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1100 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1101 #endif /* IW_ENCODE_NOKEY */
1103 /* List of Wireless Handlers (new API) */
1104 static const struct iw_handler_def airo_handler_def;
1106 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1110 static int get_dec_u16( char *buffer, int *start, int limit );
1111 static void OUT4500( struct airo_info *, u16 register, u16 value );
1112 static unsigned short IN4500( struct airo_info *, u16 register );
1113 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1114 static int enable_MAC(struct airo_info *ai, int lock);
1115 static void disable_MAC(struct airo_info *ai, int lock);
1116 static void enable_interrupts(struct airo_info*);
1117 static void disable_interrupts(struct airo_info*);
1118 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1119 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1120 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1122 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1124 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1126 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1127 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1128 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1129 *pBuf, int len, int lock);
1130 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1131 int len, int dummy );
1132 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1133 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1134 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1136 static int mpi_send_packet (struct net_device *dev);
1137 static void mpi_unmap_card(struct pci_dev *pci);
1138 static void mpi_receive_802_3(struct airo_info *ai);
1139 static void mpi_receive_802_11(struct airo_info *ai);
1140 static int waitbusy (struct airo_info *ai);
1142 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1143 static int airo_thread(void *data);
1144 static void timer_func( struct net_device *dev );
1145 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1146 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1147 static void airo_read_wireless_stats (struct airo_info *local);
1149 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1150 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1151 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1152 #endif /* CISCO_EXT */
1153 static void micinit(struct airo_info *ai);
1154 static int micsetup(struct airo_info *ai);
1155 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1156 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1158 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1159 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1161 static void airo_networks_free(struct airo_info *ai);
1164 struct net_device *dev;
1165 struct list_head dev_list;
1166 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1167 use the high bit to mark whether it is in use. */
1169 #define MPI_MAX_FIDS 1
1172 char keyindex; // Used with auto wep
1173 char defindex; // Used with auto wep
1174 struct proc_dir_entry *proc_entry;
1175 spinlock_t aux_lock;
1176 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1177 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1178 #define FLAG_RADIO_MASK 0x03
1179 #define FLAG_ENABLED 2
1180 #define FLAG_ADHOC 3 /* Needed by MIC */
1181 #define FLAG_MIC_CAPABLE 4
1182 #define FLAG_UPDATE_MULTI 5
1183 #define FLAG_UPDATE_UNI 6
1184 #define FLAG_802_11 7
1185 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1186 #define FLAG_PENDING_XMIT 9
1187 #define FLAG_PENDING_XMIT11 10
1189 #define FLAG_REGISTERED 12
1190 #define FLAG_COMMIT 13
1191 #define FLAG_RESET 14
1192 #define FLAG_FLASHING 15
1193 #define FLAG_WPA_CAPABLE 16
1194 unsigned long flags;
1197 #define JOB_XMIT11 2
1199 #define JOB_PROMISC 4
1202 #define JOB_AUTOWEP 7
1203 #define JOB_WSTATS 8
1204 #define JOB_SCAN_RESULTS 9
1206 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1208 unsigned short *flash;
1210 struct task_struct *list_bss_task;
1211 struct task_struct *airo_thread_task;
1212 struct semaphore sem;
1213 wait_queue_head_t thr_wait;
1214 unsigned long expires;
1216 struct sk_buff *skb;
1219 struct net_device *wifidev;
1220 struct iw_statistics wstats; // wireless stats
1221 unsigned long scan_timeout; /* Time scan should be read */
1222 struct iw_spy_data spy_data;
1223 struct iw_public_data wireless_data;
1225 struct crypto_cipher *tfm;
1227 mic_statistics micstats;
1228 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1229 HostTxDesc txfids[MPI_MAX_FIDS];
1230 HostRidDesc config_desc;
1231 unsigned long ridbus; // phys addr of config_desc
1232 struct sk_buff_head txq;// tx queue used by mpi350 code
1233 struct pci_dev *pci;
1234 unsigned char __iomem *pcimem;
1235 unsigned char __iomem *pciaux;
1236 unsigned char *shared;
1237 dma_addr_t shared_dma;
1241 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1242 char proc_name[IFNAMSIZ];
1247 /* WPA-related stuff */
1248 unsigned int bssListFirst;
1249 unsigned int bssListNext;
1250 unsigned int bssListRidLen;
1252 struct list_head network_list;
1253 struct list_head network_free_list;
1254 BSSListElement *networks;
1257 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1260 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1263 static int setup_proc_entry( struct net_device *dev,
1264 struct airo_info *apriv );
1265 static int takedown_proc_entry( struct net_device *dev,
1266 struct airo_info *apriv );
1268 static int cmdreset(struct airo_info *ai);
1269 static int setflashmode (struct airo_info *ai);
1270 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1271 static int flashputbuf(struct airo_info *ai);
1272 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1274 #define airo_print(type, name, fmt, args...) \
1275 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1277 #define airo_print_info(name, fmt, args...) \
1278 airo_print(KERN_INFO, name, fmt, ##args)
1280 #define airo_print_dbg(name, fmt, args...) \
1281 airo_print(KERN_DEBUG, name, fmt, ##args)
1283 #define airo_print_warn(name, fmt, args...) \
1284 airo_print(KERN_WARNING, name, fmt, ##args)
1286 #define airo_print_err(name, fmt, args...) \
1287 airo_print(KERN_ERR, name, fmt, ##args)
1289 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1291 /***********************************************************************
1293 ***********************************************************************
1296 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1297 static void MoveWindow(miccntx *context, u32 micSeq);
1298 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1299 struct crypto_cipher *tfm);
1300 static void emmh32_init(emmh32_context *context);
1301 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1302 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1303 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1305 /* micinit - Initialize mic seed */
1307 static void micinit(struct airo_info *ai)
1311 clear_bit(JOB_MIC, &ai->jobs);
1312 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1315 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1317 if (ai->micstats.enabled) {
1318 /* Key must be valid and different */
1319 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1320 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1321 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1322 /* Age current mic Context */
1323 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1324 /* Initialize new context */
1325 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1326 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1327 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1328 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1329 ai->mod[0].mCtx.valid = 1; //Key is now valid
1331 /* Give key to mic seed */
1332 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1335 /* Key must be valid and different */
1336 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1337 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1338 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1339 /* Age current mic Context */
1340 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1341 /* Initialize new context */
1342 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1344 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1345 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1346 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1347 ai->mod[0].uCtx.valid = 1; //Key is now valid
1349 //Give key to mic seed
1350 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1353 /* So next time we have a valid key and mic is enabled, we will update
1354 * the sequence number if the key is the same as before.
1356 ai->mod[0].uCtx.valid = 0;
1357 ai->mod[0].mCtx.valid = 0;
1361 /* micsetup - Get ready for business */
1363 static int micsetup(struct airo_info *ai) {
1366 if (ai->tfm == NULL)
1367 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1369 if (IS_ERR(ai->tfm)) {
1370 airo_print_err(ai->dev->name, "failed to load transform for AES");
1375 for (i=0; i < NUM_MODULES; i++) {
1376 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1377 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1382 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1384 /*===========================================================================
1385 * Description: Mic a packet
1387 * Inputs: etherHead * pointer to an 802.3 frame
1389 * Returns: BOOLEAN if successful, otherwise false.
1390 * PacketTxLen will be updated with the mic'd packets size.
1392 * Caveats: It is assumed that the frame buffer will already
1393 * be big enough to hold the largets mic message possible.
1394 * (No memory allocation is done here).
1396 * Author: sbraneky (10/15/01)
1397 * Merciless hacks by rwilcher (1/14/02)
1400 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1404 // Determine correct context
1405 // If not adhoc, always use unicast key
1407 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1408 context = &ai->mod[0].mCtx;
1410 context = &ai->mod[0].uCtx;
1412 if (!context->valid)
1415 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1417 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1420 mic->seq = htonl(context->tx);
1423 emmh32_init(&context->seed); // Mic the packet
1424 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1425 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1426 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1427 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1428 emmh32_final(&context->seed, (u8*)&mic->mic);
1430 /* New Type/length ?????????? */
1431 mic->typelen = 0; //Let NIC know it could be an oversized packet
1443 /*===========================================================================
1444 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1445 * (removes the MIC stuff) if packet is a valid packet.
1447 * Inputs: etherHead pointer to the 802.3 packet
1449 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1451 * Author: sbraneky (10/15/01)
1452 * Merciless hacks by rwilcher (1/14/02)
1453 *---------------------------------------------------------------------------
1456 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1462 mic_error micError = NONE;
1464 // Check if the packet is a Mic'd packet
1466 if (!ai->micstats.enabled) {
1467 //No Mic set or Mic OFF but we received a MIC'd packet.
1468 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1469 ai->micstats.rxMICPlummed++;
1475 if (ntohs(mic->typelen) == 0x888E)
1478 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1479 // Mic enabled but packet isn't Mic'd
1480 ai->micstats.rxMICPlummed++;
1484 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1486 //At this point we a have a mic'd packet and mic is enabled
1487 //Now do the mic error checking.
1489 //Receive seq must be odd
1490 if ( (micSEQ & 1) == 0 ) {
1491 ai->micstats.rxWrongSequence++;
1495 for (i = 0; i < NUM_MODULES; i++) {
1496 int mcast = eth->da[0] & 1;
1497 //Determine proper context
1498 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1500 //Make sure context is valid
1501 if (!context->valid) {
1503 micError = NOMICPLUMMED;
1509 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1511 emmh32_init(&context->seed);
1512 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1513 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1514 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1515 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1517 emmh32_final(&context->seed, digest);
1519 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1522 micError = INCORRECTMIC;
1526 //Check Sequence number if mics pass
1527 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1528 ai->micstats.rxSuccess++;
1532 micError = SEQUENCE;
1535 // Update statistics
1537 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1538 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1539 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1546 /*===========================================================================
1547 * Description: Checks the Rx Seq number to make sure it is valid
1548 * and hasn't already been received
1550 * Inputs: miccntx - mic context to check seq against
1551 * micSeq - the Mic seq number
1553 * Returns: TRUE if valid otherwise FALSE.
1555 * Author: sbraneky (10/15/01)
1556 * Merciless hacks by rwilcher (1/14/02)
1557 *---------------------------------------------------------------------------
1560 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1564 //Allow for the ap being rebooted - if it is then use the next
1565 //sequence number of the current sequence number - might go backwards
1568 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33;
1571 context->rx = 0; // Reset rx
1573 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1574 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1575 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1576 context->rx = 0; // Reset rx
1579 //Make sequence number relative to START of window
1580 seq = micSeq - (context->window - 33);
1582 //Too old of a SEQ number to check.
1587 //Window is infinite forward
1588 MoveWindow(context,micSeq);
1592 // We are in the window. Now check the context rx bit to see if it was already sent
1593 seq >>= 1; //divide by 2 because we only have odd numbers
1594 index = 1 << seq; //Get an index number
1596 if (!(context->rx & index)) {
1597 //micSEQ falls inside the window.
1598 //Add seqence number to the list of received numbers.
1599 context->rx |= index;
1601 MoveWindow(context,micSeq);
1608 static void MoveWindow(miccntx *context, u32 micSeq)
1612 //Move window if seq greater than the middle of the window
1613 if (micSeq > context->window) {
1614 shift = (micSeq - context->window) >> 1;
1618 context->rx >>= shift;
1622 context->window = micSeq; //Move window
1626 /*==============================================*/
1627 /*========== EMMH ROUTINES ====================*/
1628 /*==============================================*/
1630 /* mic accumulate */
1631 #define MIC_ACCUM(val) \
1632 context->accum += (u64)(val) * context->coeff[coeff_position++];
1634 static unsigned char aes_counter[16];
1636 /* expand the key to fill the MMH coefficient array */
1637 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1638 struct crypto_cipher *tfm)
1640 /* take the keying material, expand if necessary, truncate at 16-bytes */
1641 /* run through AES counter mode to generate context->coeff[] */
1645 u8 *cipher, plain[16];
1647 crypto_cipher_setkey(tfm, pkey, 16);
1649 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1650 aes_counter[15] = (u8)(counter >> 0);
1651 aes_counter[14] = (u8)(counter >> 8);
1652 aes_counter[13] = (u8)(counter >> 16);
1653 aes_counter[12] = (u8)(counter >> 24);
1655 memcpy (plain, aes_counter, 16);
1656 crypto_cipher_encrypt_one(tfm, plain, plain);
1658 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1659 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1665 /* prepare for calculation of a new mic */
1666 static void emmh32_init(emmh32_context *context)
1668 /* prepare for new mic calculation */
1670 context->position = 0;
1673 /* add some bytes to the mic calculation */
1674 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1676 int coeff_position, byte_position;
1678 if (len == 0) return;
1680 coeff_position = context->position >> 2;
1682 /* deal with partial 32-bit word left over from last update */
1683 byte_position = context->position & 3;
1684 if (byte_position) {
1685 /* have a partial word in part to deal with */
1687 if (len == 0) return;
1688 context->part.d8[byte_position++] = *pOctets++;
1689 context->position++;
1691 } while (byte_position < 4);
1692 MIC_ACCUM(ntohl(context->part.d32));
1695 /* deal with full 32-bit words */
1697 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1698 context->position += 4;
1703 /* deal with partial 32-bit word that will be left over from this update */
1706 context->part.d8[byte_position++] = *pOctets++;
1707 context->position++;
1712 /* mask used to zero empty bytes for final partial word */
1713 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1715 /* calculate the mic */
1716 static void emmh32_final(emmh32_context *context, u8 digest[4])
1718 int coeff_position, byte_position;
1724 coeff_position = context->position >> 2;
1726 /* deal with partial 32-bit word left over from last update */
1727 byte_position = context->position & 3;
1728 if (byte_position) {
1729 /* have a partial word in part to deal with */
1730 val = ntohl(context->part.d32);
1731 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1734 /* reduce the accumulated u64 to a 32-bit MIC */
1735 sum = context->accum;
1736 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1737 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1738 sum = utmp & 0xffffffffLL;
1739 if (utmp > 0x10000000fLL)
1743 digest[0] = (val>>24) & 0xFF;
1744 digest[1] = (val>>16) & 0xFF;
1745 digest[2] = (val>>8) & 0xFF;
1746 digest[3] = val & 0xFF;
1749 static int readBSSListRid(struct airo_info *ai, int first,
1756 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1757 memset(&cmd, 0, sizeof(cmd));
1758 cmd.cmd=CMD_LISTBSS;
1759 if (down_interruptible(&ai->sem))
1760 return -ERESTARTSYS;
1761 ai->list_bss_task = current;
1762 issuecommand(ai, &cmd, &rsp);
1764 /* Let the command take effect */
1765 schedule_timeout_uninterruptible(3 * HZ);
1766 ai->list_bss_task = NULL;
1768 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1769 list, ai->bssListRidLen, 1);
1772 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1774 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1775 wkr, sizeof(*wkr), lock);
1778 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1781 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1783 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1785 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1787 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1792 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1794 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1797 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1799 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1802 static int readConfigRid(struct airo_info *ai, int lock)
1810 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1818 static inline void checkThrottle(struct airo_info *ai)
1821 /* Old hardware had a limit on encryption speed */
1822 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1823 for(i=0; i<8; i++) {
1824 if (ai->config.rates[i] > maxencrypt) {
1825 ai->config.rates[i] = 0;
1831 static int writeConfigRid(struct airo_info *ai, int lock)
1835 if (!test_bit (FLAG_COMMIT, &ai->flags))
1838 clear_bit (FLAG_COMMIT, &ai->flags);
1839 clear_bit (FLAG_RESET, &ai->flags);
1843 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1844 set_bit(FLAG_ADHOC, &ai->flags);
1846 clear_bit(FLAG_ADHOC, &ai->flags);
1848 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1851 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1853 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1856 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1858 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1861 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1863 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1866 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1868 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1871 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1873 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1876 static void try_auto_wep(struct airo_info *ai)
1878 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1879 ai->expires = RUN_AT(3*HZ);
1880 wake_up_interruptible(&ai->thr_wait);
1884 static int airo_open(struct net_device *dev) {
1885 struct airo_info *ai = dev->ml_priv;
1888 if (test_bit(FLAG_FLASHING, &ai->flags))
1891 /* Make sure the card is configured.
1892 * Wireless Extensions may postpone config changes until the card
1893 * is open (to pipeline changes and speed-up card setup). If
1894 * those changes are not yet commited, do it now - Jean II */
1895 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1897 writeConfigRid(ai, 1);
1900 if (ai->wifidev != dev) {
1901 clear_bit(JOB_DIE, &ai->jobs);
1902 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1903 if (IS_ERR(ai->airo_thread_task))
1904 return (int)PTR_ERR(ai->airo_thread_task);
1906 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1909 airo_print_err(dev->name,
1910 "register interrupt %d failed, rc %d",
1912 set_bit(JOB_DIE, &ai->jobs);
1913 kthread_stop(ai->airo_thread_task);
1917 /* Power on the MAC controller (which may have been disabled) */
1918 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1919 enable_interrupts(ai);
1925 netif_start_queue(dev);
1929 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1930 int npacks, pending;
1931 unsigned long flags;
1932 struct airo_info *ai = dev->ml_priv;
1935 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1938 npacks = skb_queue_len (&ai->txq);
1940 if (npacks >= MAXTXQ - 1) {
1941 netif_stop_queue (dev);
1942 if (npacks > MAXTXQ) {
1943 dev->stats.tx_fifo_errors++;
1946 skb_queue_tail (&ai->txq, skb);
1950 spin_lock_irqsave(&ai->aux_lock, flags);
1951 skb_queue_tail (&ai->txq, skb);
1952 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1953 spin_unlock_irqrestore(&ai->aux_lock,flags);
1954 netif_wake_queue (dev);
1957 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1958 mpi_send_packet (dev);
1966 * Attempt to transmit a packet. Can be called from interrupt
1967 * or transmit . return number of packets we tried to send
1970 static int mpi_send_packet (struct net_device *dev)
1972 struct sk_buff *skb;
1973 unsigned char *buffer;
1976 struct airo_info *ai = dev->ml_priv;
1979 /* get a packet to send */
1981 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1982 airo_print_err(dev->name,
1983 "%s: Dequeue'd zero in send_packet()",
1988 /* check min length*/
1989 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1992 ai->txfids[0].tx_desc.offset = 0;
1993 ai->txfids[0].tx_desc.valid = 1;
1994 ai->txfids[0].tx_desc.eoc = 1;
1995 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1998 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1999 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2000 * is immediatly after it. ------------------------------------------------
2001 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2002 * ------------------------------------------------
2005 memcpy((char *)ai->txfids[0].virtual_host_addr,
2006 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2008 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2009 sizeof(wifictlhdr8023));
2010 sendbuf = ai->txfids[0].virtual_host_addr +
2011 sizeof(wifictlhdr8023) + 2 ;
2014 * Firmware automaticly puts 802 header on so
2015 * we don't need to account for it in the length
2017 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2018 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2021 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2024 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2025 ai->txfids[0].tx_desc.len += sizeof(pMic);
2026 /* copy data into airo dma buffer */
2027 memcpy (sendbuf, buffer, sizeof(etherHead));
2028 buffer += sizeof(etherHead);
2029 sendbuf += sizeof(etherHead);
2030 memcpy (sendbuf, &pMic, sizeof(pMic));
2031 sendbuf += sizeof(pMic);
2032 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2034 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2036 dev->trans_start = jiffies;
2038 /* copy data into airo dma buffer */
2039 memcpy(sendbuf, buffer, len);
2042 memcpy_toio(ai->txfids[0].card_ram_off,
2043 &ai->txfids[0].tx_desc, sizeof(TxFid));
2045 OUT4500(ai, EVACK, 8);
2047 dev_kfree_skb_any(skb);
2051 static void get_tx_error(struct airo_info *ai, s32 fid)
2056 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2058 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2060 bap_read(ai, &status, 2, BAP0);
2062 if (le16_to_cpu(status) & 2) /* Too many retries */
2063 ai->dev->stats.tx_aborted_errors++;
2064 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2065 ai->dev->stats.tx_heartbeat_errors++;
2066 if (le16_to_cpu(status) & 8) /* Aid fail */
2068 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2069 ai->dev->stats.tx_carrier_errors++;
2070 if (le16_to_cpu(status) & 0x20) /* Association lost */
2072 /* We produce a TXDROP event only for retry or lifetime
2073 * exceeded, because that's the only status that really mean
2074 * that this particular node went away.
2075 * Other errors means that *we* screwed up. - Jean II */
2076 if ((le16_to_cpu(status) & 2) ||
2077 (le16_to_cpu(status) & 4)) {
2078 union iwreq_data wrqu;
2081 /* Faster to skip over useless data than to do
2082 * another bap_setup(). We are at offset 0x6 and
2083 * need to go to 0x18 and read 6 bytes - Jean II */
2084 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2086 /* Copy 802.11 dest address.
2087 * We use the 802.11 header because the frame may
2088 * not be 802.3 or may be mangled...
2089 * In Ad-Hoc mode, it will be the node address.
2090 * In managed mode, it will be most likely the AP addr
2091 * User space will figure out how to convert it to
2092 * whatever it needs (IP address or else).
2094 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2095 wrqu.addr.sa_family = ARPHRD_ETHER;
2097 /* Send event to user space */
2098 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2102 static void airo_end_xmit(struct net_device *dev) {
2105 struct airo_info *priv = dev->ml_priv;
2106 struct sk_buff *skb = priv->xmit.skb;
2107 int fid = priv->xmit.fid;
2108 u32 *fids = priv->fids;
2110 clear_bit(JOB_XMIT, &priv->jobs);
2111 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2112 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2116 if ( status == SUCCESS ) {
2117 dev->trans_start = jiffies;
2118 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2120 priv->fids[fid] &= 0xffff;
2121 dev->stats.tx_window_errors++;
2123 if (i < MAX_FIDS / 2)
2124 netif_wake_queue(dev);
2128 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2131 struct airo_info *priv = dev->ml_priv;
2132 u32 *fids = priv->fids;
2134 if ( skb == NULL ) {
2135 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2139 /* Find a vacant FID */
2140 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2141 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2143 if ( j >= MAX_FIDS / 2 ) {
2144 netif_stop_queue(dev);
2146 if (i == MAX_FIDS / 2) {
2147 dev->stats.tx_fifo_errors++;
2151 /* check min length*/
2152 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2153 /* Mark fid as used & save length for later */
2154 fids[i] |= (len << 16);
2155 priv->xmit.skb = skb;
2157 if (down_trylock(&priv->sem) != 0) {
2158 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2159 netif_stop_queue(dev);
2160 set_bit(JOB_XMIT, &priv->jobs);
2161 wake_up_interruptible(&priv->thr_wait);
2167 static void airo_end_xmit11(struct net_device *dev) {
2170 struct airo_info *priv = dev->ml_priv;
2171 struct sk_buff *skb = priv->xmit11.skb;
2172 int fid = priv->xmit11.fid;
2173 u32 *fids = priv->fids;
2175 clear_bit(JOB_XMIT11, &priv->jobs);
2176 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2177 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2181 if ( status == SUCCESS ) {
2182 dev->trans_start = jiffies;
2183 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2185 priv->fids[fid] &= 0xffff;
2186 dev->stats.tx_window_errors++;
2189 netif_wake_queue(dev);
2193 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2196 struct airo_info *priv = dev->ml_priv;
2197 u32 *fids = priv->fids;
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200 /* Not implemented yet for MPI350 */
2201 netif_stop_queue(dev);
2205 if ( skb == NULL ) {
2206 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2210 /* Find a vacant FID */
2211 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2212 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2214 if ( j >= MAX_FIDS ) {
2215 netif_stop_queue(dev);
2217 if (i == MAX_FIDS) {
2218 dev->stats.tx_fifo_errors++;
2222 /* check min length*/
2223 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2224 /* Mark fid as used & save length for later */
2225 fids[i] |= (len << 16);
2226 priv->xmit11.skb = skb;
2227 priv->xmit11.fid = i;
2228 if (down_trylock(&priv->sem) != 0) {
2229 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2230 netif_stop_queue(dev);
2231 set_bit(JOB_XMIT11, &priv->jobs);
2232 wake_up_interruptible(&priv->thr_wait);
2234 airo_end_xmit11(dev);
2238 static void airo_read_stats(struct net_device *dev)
2240 struct airo_info *ai = dev->ml_priv;
2242 __le32 *vals = stats_rid.vals;
2244 clear_bit(JOB_STATS, &ai->jobs);
2245 if (ai->power.event) {
2249 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2253 le32_to_cpu(vals[45]);
2254 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2255 le32_to_cpu(vals[41]);
2256 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2257 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2258 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2259 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2260 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2261 dev->stats.tx_fifo_errors;
2262 dev->stats.multicast = le32_to_cpu(vals[43]);
2263 dev->stats.collisions = le32_to_cpu(vals[89]);
2265 /* detailed rx_errors: */
2266 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2267 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2268 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2269 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2272 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2274 struct airo_info *local = dev->ml_priv;
2276 if (!test_bit(JOB_STATS, &local->jobs)) {
2277 /* Get stats out of the card if available */
2278 if (down_trylock(&local->sem) != 0) {
2279 set_bit(JOB_STATS, &local->jobs);
2280 wake_up_interruptible(&local->thr_wait);
2282 airo_read_stats(dev);
2288 static void airo_set_promisc(struct airo_info *ai) {
2292 memset(&cmd, 0, sizeof(cmd));
2293 cmd.cmd=CMD_SETMODE;
2294 clear_bit(JOB_PROMISC, &ai->jobs);
2295 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2296 issuecommand(ai, &cmd, &rsp);
2300 static void airo_set_multicast_list(struct net_device *dev) {
2301 struct airo_info *ai = dev->ml_priv;
2303 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2304 change_bit(FLAG_PROMISC, &ai->flags);
2305 if (down_trylock(&ai->sem) != 0) {
2306 set_bit(JOB_PROMISC, &ai->jobs);
2307 wake_up_interruptible(&ai->thr_wait);
2309 airo_set_promisc(ai);
2312 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2313 /* Turn on multicast. (Should be already setup...) */
2317 static int airo_set_mac_address(struct net_device *dev, void *p)
2319 struct airo_info *ai = dev->ml_priv;
2320 struct sockaddr *addr = p;
2322 readConfigRid(ai, 1);
2323 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2324 set_bit (FLAG_COMMIT, &ai->flags);
2326 writeConfigRid (ai, 1);
2328 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2330 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2334 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2336 if ((new_mtu < 68) || (new_mtu > 2400))
2342 static LIST_HEAD(airo_devices);
2344 static void add_airo_dev(struct airo_info *ai)
2346 /* Upper layers already keep track of PCI devices,
2347 * so we only need to remember our non-PCI cards. */
2349 list_add_tail(&ai->dev_list, &airo_devices);
2352 static void del_airo_dev(struct airo_info *ai)
2355 list_del(&ai->dev_list);
2358 static int airo_close(struct net_device *dev) {
2359 struct airo_info *ai = dev->ml_priv;
2361 netif_stop_queue(dev);
2363 if (ai->wifidev != dev) {
2364 #ifdef POWER_ON_DOWN
2365 /* Shut power to the card. The idea is that the user can save
2366 * power when he doesn't need the card with "ifconfig down".
2367 * That's the method that is most friendly towards the network
2368 * stack (i.e. the network stack won't try to broadcast
2369 * anything on the interface and routes are gone. Jean II */
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_interrupts( ai );
2375 free_irq(dev->irq, dev);
2377 set_bit(JOB_DIE, &ai->jobs);
2378 kthread_stop(ai->airo_thread_task);
2383 void stop_airo_card( struct net_device *dev, int freeres )
2385 struct airo_info *ai = dev->ml_priv;
2387 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2389 disable_interrupts(ai);
2390 takedown_proc_entry( dev, ai );
2391 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2392 unregister_netdev( dev );
2394 unregister_netdev(ai->wifidev);
2395 free_netdev(ai->wifidev);
2398 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 * Clean out tx queue
2403 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2404 struct sk_buff *skb = NULL;
2405 for (;(skb = skb_dequeue(&ai->txq));)
2409 airo_networks_free (ai);
2416 /* PCMCIA frees this stuff, so only for PCI and ISA */
2417 release_region( dev->base_addr, 64 );
2418 if (test_bit(FLAG_MPI, &ai->flags)) {
2420 mpi_unmap_card(ai->pci);
2422 iounmap(ai->pcimem);
2424 iounmap(ai->pciaux);
2425 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2426 ai->shared, ai->shared_dma);
2429 crypto_free_cipher(ai->tfm);
2434 EXPORT_SYMBOL(stop_airo_card);
2436 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2438 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2442 static void mpi_unmap_card(struct pci_dev *pci)
2444 unsigned long mem_start = pci_resource_start(pci, 1);
2445 unsigned long mem_len = pci_resource_len(pci, 1);
2446 unsigned long aux_start = pci_resource_start(pci, 2);
2447 unsigned long aux_len = AUXMEMSIZE;
2449 release_mem_region(aux_start, aux_len);
2450 release_mem_region(mem_start, mem_len);
2453 /*************************************************************
2454 * This routine assumes that descriptors have been setup .
2455 * Run at insmod time or after reset when the decriptors
2456 * have been initialized . Returns 0 if all is well nz
2457 * otherwise . Does not allocate memory but sets up card
2458 * using previously allocated descriptors.
2460 static int mpi_init_descriptors (struct airo_info *ai)
2467 /* Alloc card RX descriptors */
2468 netif_stop_queue(ai->dev);
2470 memset(&rsp,0,sizeof(rsp));
2471 memset(&cmd,0,sizeof(cmd));
2473 cmd.cmd = CMD_ALLOCATEAUX;
2475 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2476 cmd.parm2 = MPI_MAX_FIDS;
2477 rc=issuecommand(ai, &cmd, &rsp);
2478 if (rc != SUCCESS) {
2479 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2483 for (i=0; i<MPI_MAX_FIDS; i++) {
2484 memcpy_toio(ai->rxfids[i].card_ram_off,
2485 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 /* Alloc card TX descriptors */
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2493 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2498 for (i=0; i<MPI_MAX_FIDS; i++) {
2499 ai->txfids[i].tx_desc.valid = 1;
2500 memcpy_toio(ai->txfids[i].card_ram_off,
2501 &ai->txfids[i].tx_desc, sizeof(TxFid));
2503 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2505 rc=issuecommand(ai, &cmd, &rsp);
2506 if (rc != SUCCESS) {
2507 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2511 /* Alloc card Rid descriptor */
2512 memset(&rsp,0,sizeof(rsp));
2513 memset(&cmd,0,sizeof(cmd));
2515 cmd.cmd = CMD_ALLOCATEAUX;
2517 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2518 cmd.parm2 = 1; /* Magic number... */
2519 rc=issuecommand(ai, &cmd, &rsp);
2520 if (rc != SUCCESS) {
2521 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2525 memcpy_toio(ai->config_desc.card_ram_off,
2526 &ai->config_desc.rid_desc, sizeof(Rid));
2532 * We are setting up three things here:
2533 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2534 * 2) Map PCI memory for issueing commands.
2535 * 3) Allocate memory (shared) to send and receive ethernet frames.
2537 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2539 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 dma_addr_t busaddroff;
2543 unsigned char *vpackoff;
2544 unsigned char __iomem *pciaddroff;
2546 mem_start = pci_resource_start(pci, 1);
2547 mem_len = pci_resource_len(pci, 1);
2548 aux_start = pci_resource_start(pci, 2);
2549 aux_len = AUXMEMSIZE;
2551 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2552 airo_print_err("", "Couldn't get region %x[%x]",
2553 (int)mem_start, (int)mem_len);
2556 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2557 airo_print_err("", "Couldn't get region %x[%x]",
2558 (int)aux_start, (int)aux_len);
2562 ai->pcimem = ioremap(mem_start, mem_len);
2564 airo_print_err("", "Couldn't map region %x[%x]",
2565 (int)mem_start, (int)mem_len);
2568 ai->pciaux = ioremap(aux_start, aux_len);
2570 airo_print_err("", "Couldn't map region %x[%x]",
2571 (int)aux_start, (int)aux_len);
2575 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2576 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2578 airo_print_err("", "Couldn't alloc_consistent %d",
2584 * Setup descriptor RX, TX, CONFIG
2586 busaddroff = ai->shared_dma;
2587 pciaddroff = ai->pciaux + AUX_OFFSET;
2588 vpackoff = ai->shared;
2590 /* RX descriptor setup */
2591 for(i = 0; i < MPI_MAX_FIDS; i++) {
2592 ai->rxfids[i].pending = 0;
2593 ai->rxfids[i].card_ram_off = pciaddroff;
2594 ai->rxfids[i].virtual_host_addr = vpackoff;
2595 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2596 ai->rxfids[i].rx_desc.valid = 1;
2597 ai->rxfids[i].rx_desc.len = PKTSIZE;
2598 ai->rxfids[i].rx_desc.rdy = 0;
2600 pciaddroff += sizeof(RxFid);
2601 busaddroff += PKTSIZE;
2602 vpackoff += PKTSIZE;
2605 /* TX descriptor setup */
2606 for(i = 0; i < MPI_MAX_FIDS; i++) {
2607 ai->txfids[i].card_ram_off = pciaddroff;
2608 ai->txfids[i].virtual_host_addr = vpackoff;
2609 ai->txfids[i].tx_desc.valid = 1;
2610 ai->txfids[i].tx_desc.host_addr = busaddroff;
2611 memcpy(ai->txfids[i].virtual_host_addr,
2612 &wifictlhdr8023, sizeof(wifictlhdr8023));
2614 pciaddroff += sizeof(TxFid);
2615 busaddroff += PKTSIZE;
2616 vpackoff += PKTSIZE;
2618 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2620 /* Rid descriptor setup */
2621 ai->config_desc.card_ram_off = pciaddroff;
2622 ai->config_desc.virtual_host_addr = vpackoff;
2623 ai->config_desc.rid_desc.host_addr = busaddroff;
2624 ai->ridbus = busaddroff;
2625 ai->config_desc.rid_desc.rid = 0;
2626 ai->config_desc.rid_desc.len = RIDSIZE;
2627 ai->config_desc.rid_desc.valid = 1;
2628 pciaddroff += sizeof(Rid);
2629 busaddroff += RIDSIZE;
2630 vpackoff += RIDSIZE;
2632 /* Tell card about descriptors */
2633 if (mpi_init_descriptors (ai) != SUCCESS)
2638 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2640 iounmap(ai->pciaux);
2642 iounmap(ai->pcimem);
2644 release_mem_region(aux_start, aux_len);
2646 release_mem_region(mem_start, mem_len);
2651 static const struct header_ops airo_header_ops = {
2652 .parse = wll_header_parse,
2655 static void wifi_setup(struct net_device *dev)
2657 dev->header_ops = &airo_header_ops;
2658 dev->hard_start_xmit = &airo_start_xmit11;
2659 dev->get_stats = &airo_get_stats;
2660 dev->set_mac_address = &airo_set_mac_address;
2661 dev->do_ioctl = &airo_ioctl;
2662 dev->wireless_handlers = &airo_handler_def;
2663 dev->change_mtu = &airo_change_mtu;
2664 dev->open = &airo_open;
2665 dev->stop = &airo_close;
2667 dev->type = ARPHRD_IEEE80211;
2668 dev->hard_header_len = ETH_HLEN;
2669 dev->mtu = AIRO_DEF_MTU;
2670 dev->addr_len = ETH_ALEN;
2671 dev->tx_queue_len = 100;
2673 memset(dev->broadcast,0xFF, ETH_ALEN);
2675 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2678 static struct net_device *init_wifidev(struct airo_info *ai,
2679 struct net_device *ethdev)
2682 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2685 dev->ml_priv = ethdev->ml_priv;
2686 dev->irq = ethdev->irq;
2687 dev->base_addr = ethdev->base_addr;
2688 dev->wireless_data = ethdev->wireless_data;
2689 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2690 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2691 err = register_netdev(dev);
2699 static int reset_card( struct net_device *dev , int lock) {
2700 struct airo_info *ai = dev->ml_priv;
2702 if (lock && down_interruptible(&ai->sem))
2705 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2714 #define AIRO_MAX_NETWORK_COUNT 64
2715 static int airo_networks_allocate(struct airo_info *ai)
2721 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2723 if (!ai->networks) {
2724 airo_print_warn("", "Out of memory allocating beacons");
2731 static void airo_networks_free(struct airo_info *ai)
2733 kfree(ai->networks);
2734 ai->networks = NULL;
2737 static void airo_networks_initialize(struct airo_info *ai)
2741 INIT_LIST_HEAD(&ai->network_free_list);
2742 INIT_LIST_HEAD(&ai->network_list);
2743 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2744 list_add_tail(&ai->networks[i].list,
2745 &ai->network_free_list);
2748 static struct net_device *_init_airo_card( unsigned short irq, int port,
2749 int is_pcmcia, struct pci_dev *pci,
2750 struct device *dmdev )
2752 struct net_device *dev;
2753 struct airo_info *ai;
2755 CapabilityRid cap_rid;
2757 /* Create the network device object. */
2758 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2760 airo_print_err("", "Couldn't alloc_etherdev");
2764 ai = dev->ml_priv = netdev_priv(dev);
2766 ai->flags = 1 << FLAG_RADIO_DOWN;
2769 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2770 airo_print_dbg("", "Found an MPI350 card");
2771 set_bit(FLAG_MPI, &ai->flags);
2773 spin_lock_init(&ai->aux_lock);
2774 sema_init(&ai->sem, 1);
2777 init_waitqueue_head (&ai->thr_wait);
2781 if (airo_networks_allocate (ai))
2783 airo_networks_initialize (ai);
2785 /* The Airo-specific entries in the device structure. */
2786 if (test_bit(FLAG_MPI,&ai->flags)) {
2787 skb_queue_head_init (&ai->txq);
2788 dev->hard_start_xmit = &mpi_start_xmit;
2790 dev->hard_start_xmit = &airo_start_xmit;
2791 dev->get_stats = &airo_get_stats;
2792 dev->set_multicast_list = &airo_set_multicast_list;
2793 dev->set_mac_address = &airo_set_mac_address;
2794 dev->do_ioctl = &airo_ioctl;
2795 dev->wireless_handlers = &airo_handler_def;
2796 ai->wireless_data.spy_data = &ai->spy_data;
2797 dev->wireless_data = &ai->wireless_data;
2798 dev->change_mtu = &airo_change_mtu;
2799 dev->open = &airo_open;
2800 dev->stop = &airo_close;
2802 dev->base_addr = port;
2804 SET_NETDEV_DEV(dev, dmdev);
2806 reset_card (dev, 1);
2810 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2812 airo_print_err(dev->name, "Couldn't request region");
2817 if (test_bit(FLAG_MPI,&ai->flags)) {
2818 if (mpi_map_card(ai, pci)) {
2819 airo_print_err("", "Could not map memory");
2825 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2826 airo_print_err(dev->name, "MAC could not be enabled" );
2830 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2831 ai->bap_read = fast_bap_read;
2832 set_bit(FLAG_FLASHING, &ai->flags);
2835 strcpy(dev->name, "eth%d");
2836 rc = register_netdev(dev);
2838 airo_print_err(dev->name, "Couldn't register_netdev");
2841 ai->wifidev = init_wifidev(ai, dev);
2845 rc = readCapabilityRid(ai, &cap_rid, 1);
2846 if (rc != SUCCESS) {
2850 /* WEP capability discovery */
2851 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2852 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2854 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2855 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2856 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2857 le16_to_cpu(cap_rid.softSubVer));
2859 /* Test for WPA support */
2860 /* Only firmware versions 5.30.17 or better can do WPA */
2861 if (le16_to_cpu(cap_rid.softVer) > 0x530
2862 || (le16_to_cpu(cap_rid.softVer) == 0x530
2863 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2864 airo_print_info(ai->dev->name, "WPA supported.");
2866 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2867 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2868 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2869 ai->bssListRidLen = sizeof(BSSListRid);
2871 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2872 "versions older than 5.30.17.");
2874 ai->bssListFirst = RID_BSSLISTFIRST;
2875 ai->bssListNext = RID_BSSLISTNEXT;
2876 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2879 set_bit(FLAG_REGISTERED,&ai->flags);
2880 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2882 /* Allocate the transmit buffers */
2883 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2884 for( i = 0; i < MAX_FIDS; i++ )
2885 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2887 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2893 unregister_netdev(ai->wifidev);
2894 free_netdev(ai->wifidev);
2896 unregister_netdev(dev);
2898 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2899 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2900 iounmap(ai->pciaux);
2901 iounmap(ai->pcimem);
2902 mpi_unmap_card(ai->pci);
2906 release_region( dev->base_addr, 64 );
2908 airo_networks_free(ai);
2915 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2916 struct device *dmdev)
2918 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2921 EXPORT_SYMBOL(init_airo_card);
2923 static int waitbusy (struct airo_info *ai) {
2925 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2927 if ((++delay % 20) == 0)
2928 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2930 return delay < 10000;
2933 int reset_airo_card( struct net_device *dev )
2936 struct airo_info *ai = dev->ml_priv;
2938 if (reset_card (dev, 1))
2941 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2942 airo_print_err(dev->name, "MAC could not be enabled");
2945 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2946 /* Allocate the transmit buffers if needed */
2947 if (!test_bit(FLAG_MPI,&ai->flags))
2948 for( i = 0; i < MAX_FIDS; i++ )
2949 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2951 enable_interrupts( ai );
2952 netif_wake_queue(dev);
2956 EXPORT_SYMBOL(reset_airo_card);
2958 static void airo_send_event(struct net_device *dev) {
2959 struct airo_info *ai = dev->ml_priv;
2960 union iwreq_data wrqu;
2961 StatusRid status_rid;
2963 clear_bit(JOB_EVENT, &ai->jobs);
2964 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2966 wrqu.data.length = 0;
2967 wrqu.data.flags = 0;
2968 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2969 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2971 /* Send event to user space */
2972 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2975 static void airo_process_scan_results (struct airo_info *ai) {
2976 union iwreq_data wrqu;
2979 BSSListElement * loop_net;
2980 BSSListElement * tmp_net;
2982 /* Blow away current list of scan results */
2983 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2984 list_move_tail (&loop_net->list, &ai->network_free_list);
2985 /* Don't blow away ->list, just BSS data */
2986 memset (loop_net, 0, sizeof (loop_net->bss));
2989 /* Try to read the first entry of the scan result */
2990 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2991 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2992 /* No scan results */
2996 /* Read and parse all entries */
2998 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2999 /* Grab a network off the free list */
3000 if (!list_empty(&ai->network_free_list)) {
3001 tmp_net = list_entry(ai->network_free_list.next,
3002 BSSListElement, list);
3003 list_del(ai->network_free_list.next);
3006 if (tmp_net != NULL) {
3007 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3008 list_add_tail(&tmp_net->list, &ai->network_list);
3012 /* Read next entry */
3013 rc = PC4500_readrid(ai, ai->bssListNext,
3014 &bss, ai->bssListRidLen, 0);
3018 ai->scan_timeout = 0;
3019 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3022 /* Send an empty event to user space.
3023 * We don't send the received data on
3024 * the event because it would require
3025 * us to do complex transcoding, and
3026 * we want to minimise the work done in
3027 * the irq handler. Use a request to
3028 * extract the data - Jean II */
3029 wrqu.data.length = 0;
3030 wrqu.data.flags = 0;
3031 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3034 static int airo_thread(void *data) {
3035 struct net_device *dev = data;
3036 struct airo_info *ai = dev->ml_priv;
3041 /* make swsusp happy with our thread */
3044 if (test_bit(JOB_DIE, &ai->jobs))
3048 locked = down_interruptible(&ai->sem);
3052 init_waitqueue_entry(&wait, current);
3053 add_wait_queue(&ai->thr_wait, &wait);
3055 set_current_state(TASK_INTERRUPTIBLE);
3058 if (ai->expires || ai->scan_timeout) {
3059 if (ai->scan_timeout &&
3060 time_after_eq(jiffies,ai->scan_timeout)){
3061 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3063 } else if (ai->expires &&
3064 time_after_eq(jiffies,ai->expires)){
3065 set_bit(JOB_AUTOWEP, &ai->jobs);
3068 if (!kthread_should_stop() &&
3069 !freezing(current)) {
3070 unsigned long wake_at;
3071 if (!ai->expires || !ai->scan_timeout) {
3072 wake_at = max(ai->expires,
3075 wake_at = min(ai->expires,
3078 schedule_timeout(wake_at - jiffies);
3081 } else if (!kthread_should_stop() &&
3082 !freezing(current)) {
3088 current->state = TASK_RUNNING;
3089 remove_wait_queue(&ai->thr_wait, &wait);
3096 if (test_bit(JOB_DIE, &ai->jobs)) {
3101 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3106 if (test_bit(JOB_XMIT, &ai->jobs))
3108 else if (test_bit(JOB_XMIT11, &ai->jobs))
3109 airo_end_xmit11(dev);
3110 else if (test_bit(JOB_STATS, &ai->jobs))
3111 airo_read_stats(dev);
3112 else if (test_bit(JOB_WSTATS, &ai->jobs))
3113 airo_read_wireless_stats(ai);
3114 else if (test_bit(JOB_PROMISC, &ai->jobs))
3115 airo_set_promisc(ai);
3116 else if (test_bit(JOB_MIC, &ai->jobs))
3118 else if (test_bit(JOB_EVENT, &ai->jobs))
3119 airo_send_event(dev);
3120 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3122 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3123 airo_process_scan_results(ai);
3124 else /* Shouldn't get here, but we make sure to unlock */
3131 static int header_len(__le16 ctl)
3133 u16 fc = le16_to_cpu(ctl);
3136 if ((fc & 0xe0) == 0xc0)
3137 return 10; /* one-address control packet */
3138 return 16; /* two-address control packet */
3140 if ((fc & 0x300) == 0x300)
3141 return 30; /* WDS packet */
3146 static void airo_handle_cisco_mic(struct airo_info *ai)
3148 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3149 set_bit(JOB_MIC, &ai->jobs);
3150 wake_up_interruptible(&ai->thr_wait);
3154 /* Airo Status codes */
3155 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3156 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3157 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3158 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3159 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3160 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3161 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3162 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3163 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3164 #define STAT_ASSOC 0x0400 /* Associated */
3165 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3167 static void airo_print_status(const char *devname, u16 status)
3169 u8 reason = status & 0xFF;
3173 airo_print_dbg(devname, "link lost (missed beacons)");
3175 case STAT_MAXRETRIES:
3177 airo_print_dbg(devname, "link lost (max retries)");
3179 case STAT_FORCELOSS:
3180 airo_print_dbg(devname, "link lost (local choice)");
3183 airo_print_dbg(devname, "link lost (TSF sync lost)");
3186 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3189 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3191 case STAT_ASSOC_FAIL:
3192 airo_print_dbg(devname, "association failed (reason: %d)",
3195 case STAT_AUTH_FAIL:
3196 airo_print_dbg(devname, "authentication failed (reason: %d)",
3204 static void airo_handle_link(struct airo_info *ai)
3206 union iwreq_data wrqu;
3207 int scan_forceloss = 0;
3210 /* Get new status and acknowledge the link change */
3211 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3212 OUT4500(ai, EVACK, EV_LINK);
3214 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3217 airo_print_status(ai->dev->name, status);
3219 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3222 if (ai->list_bss_task)
3223 wake_up_process(ai->list_bss_task);
3224 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3225 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3227 if (down_trylock(&ai->sem) != 0) {
3228 set_bit(JOB_EVENT, &ai->jobs);
3229 wake_up_interruptible(&ai->thr_wait);
3231 airo_send_event(ai->dev);
3232 } else if (!scan_forceloss) {
3233 if (auto_wep && !ai->expires) {
3234 ai->expires = RUN_AT(3*HZ);
3235 wake_up_interruptible(&ai->thr_wait);
3238 /* Send event to user space */
3239 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3240 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3241 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3245 static void airo_handle_rx(struct airo_info *ai)
3247 struct sk_buff *skb = NULL;
3248 __le16 fc, v, *buffer, tmpbuf[4];
3249 u16 len, hdrlen = 0, gap, fid;
3253 if (test_bit(FLAG_MPI, &ai->flags)) {
3254 if (test_bit(FLAG_802_11, &ai->flags))
3255 mpi_receive_802_11(ai);
3257 mpi_receive_802_3(ai);
3258 OUT4500(ai, EVACK, EV_RX);
3262 fid = IN4500(ai, RXFID);
3264 /* Get the packet length */
3265 if (test_bit(FLAG_802_11, &ai->flags)) {
3266 bap_setup (ai, fid, 4, BAP0);
3267 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3268 /* Bad CRC. Ignore packet */
3269 if (le16_to_cpu(hdr.status) & 2)
3271 if (ai->wifidev == NULL)
3274 bap_setup(ai, fid, 0x36, BAP0);
3275 bap_read(ai, &hdr.len, 2, BAP0);
3277 len = le16_to_cpu(hdr.len);
3279 if (len > AIRO_DEF_MTU) {
3280 airo_print_err(ai->dev->name, "Bad size %d", len);
3286 if (test_bit(FLAG_802_11, &ai->flags)) {
3287 bap_read(ai, &fc, sizeof (fc), BAP0);
3288 hdrlen = header_len(fc);
3290 hdrlen = ETH_ALEN * 2;
3292 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3294 ai->dev->stats.rx_dropped++;
3298 skb_reserve(skb, 2); /* This way the IP header is aligned */
3299 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3304 bap_read(ai, tmpbuf, 6, BAP0);
3306 bap_read(ai, &v, sizeof(v), BAP0);
3307 gap = le16_to_cpu(v);
3310 bap_read(ai, tmpbuf, gap, BAP0);
3312 airo_print_err(ai->dev->name, "gaplen too "
3313 "big. Problems will follow...");
3316 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3320 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3321 if (ai->micstats.enabled) {
3322 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3323 if (ntohs(micbuf.typelen) > 0x05DC)
3324 bap_setup(ai, fid, 0x44, BAP0);
3326 if (len <= sizeof (micbuf)) {
3327 dev_kfree_skb_irq(skb);
3331 len -= sizeof(micbuf);
3332 skb_trim(skb, len + hdrlen);
3336 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3337 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3338 dev_kfree_skb_irq (skb);
3344 if (success && (ai->spy_data.spy_number > 0)) {
3346 struct iw_quality wstats;
3348 /* Prepare spy data : addr + qual */
3349 if (!test_bit(FLAG_802_11, &ai->flags)) {
3350 sa = (char *) buffer + 6;
3351 bap_setup(ai, fid, 8, BAP0);
3352 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3354 sa = (char *) buffer + 10;
3355 wstats.qual = hdr.rssi[0];
3357 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3359 wstats.level = (hdr.rssi[1] + 321) / 2;
3360 wstats.noise = ai->wstats.qual.noise;
3361 wstats.updated = IW_QUAL_LEVEL_UPDATED
3362 | IW_QUAL_QUAL_UPDATED
3364 /* Update spy records */
3365 wireless_spy_update(ai->dev, sa, &wstats);
3367 #endif /* WIRELESS_SPY */
3370 OUT4500(ai, EVACK, EV_RX);
3373 if (test_bit(FLAG_802_11, &ai->flags)) {
3374 skb_reset_mac_header(skb);
3375 skb->pkt_type = PACKET_OTHERHOST;
3376 skb->dev = ai->wifidev;
3377 skb->protocol = htons(ETH_P_802_2);
3379 skb->protocol = eth_type_trans(skb, ai->dev);
3380 skb->ip_summed = CHECKSUM_NONE;
3386 static void airo_handle_tx(struct airo_info *ai, u16 status)
3388 int i, len = 0, index = -1;
3391 if (test_bit(FLAG_MPI, &ai->flags)) {
3392 unsigned long flags;
3394 if (status & EV_TXEXC)
3395 get_tx_error(ai, -1);
3397 spin_lock_irqsave(&ai->aux_lock, flags);
3398 if (!skb_queue_empty(&ai->txq)) {
3399 spin_unlock_irqrestore(&ai->aux_lock,flags);
3400 mpi_send_packet(ai->dev);
3402 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3403 spin_unlock_irqrestore(&ai->aux_lock,flags);
3404 netif_wake_queue(ai->dev);
3406 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3410 fid = IN4500(ai, TXCOMPLFID);
3412 for(i = 0; i < MAX_FIDS; i++) {
3413 if ((ai->fids[i] & 0xffff) == fid) {
3414 len = ai->fids[i] >> 16;
3420 if (status & EV_TXEXC)
3421 get_tx_error(ai, index);
3423 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3425 /* Set up to be used again */
3426 ai->fids[index] &= 0xffff;
3427 if (index < MAX_FIDS / 2) {
3428 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3429 netif_wake_queue(ai->dev);
3431 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3432 netif_wake_queue(ai->wifidev);
3435 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3436 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3440 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3442 struct net_device *dev = dev_id;
3443 u16 status, savedInterrupts = 0;
3444 struct airo_info *ai = dev->ml_priv;
3447 if (!netif_device_present(dev))
3451 status = IN4500(ai, EVSTAT);
3452 if (!(status & STATUS_INTS) || (status == 0xffff))
3457 if (status & EV_AWAKE) {
3458 OUT4500(ai, EVACK, EV_AWAKE);
3459 OUT4500(ai, EVACK, EV_AWAKE);
3462 if (!savedInterrupts) {
3463 savedInterrupts = IN4500(ai, EVINTEN);
3464 OUT4500(ai, EVINTEN, 0);
3467 if (status & EV_MIC) {
3468 OUT4500(ai, EVACK, EV_MIC);
3469 airo_handle_cisco_mic(ai);
3472 if (status & EV_LINK) {
3473 /* Link status changed */
3474 airo_handle_link(ai);
3477 /* Check to see if there is something to receive */
3481 /* Check to see if a packet has been transmitted */
3482 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3483 airo_handle_tx(ai, status);
3485 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3486 airo_print_warn(ai->dev->name, "Got weird status %x",
3487 status & ~STATUS_INTS & ~IGNORE_INTS );
3491 if (savedInterrupts)
3492 OUT4500(ai, EVINTEN, savedInterrupts);
3494 return IRQ_RETVAL(handled);
3498 * Routines to talk to the card
3502 * This was originally written for the 4500, hence the name
3503 * NOTE: If use with 8bit mode and SMP bad things will happen!
3504 * Why would some one do 8 bit IO in an SMP machine?!?
3506 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3507 if (test_bit(FLAG_MPI,&ai->flags))
3510 outw( val, ai->dev->base_addr + reg );
3512 outb( val & 0xff, ai->dev->base_addr + reg );
3513 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3517 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3520 if (test_bit(FLAG_MPI,&ai->flags))
3523 rc = inw( ai->dev->base_addr + reg );
3525 rc = inb( ai->dev->base_addr + reg );
3526 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3531 static int enable_MAC(struct airo_info *ai, int lock)
3537 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3538 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3539 * Note : we could try to use !netif_running(dev) in enable_MAC()
3540 * instead of this flag, but I don't trust it *within* the
3541 * open/close functions, and testing both flags together is
3542 * "cheaper" - Jean II */
3543 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3545 if (lock && down_interruptible(&ai->sem))
3546 return -ERESTARTSYS;
3548 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3549 memset(&cmd, 0, sizeof(cmd));
3550 cmd.cmd = MAC_ENABLE;
3551 rc = issuecommand(ai, &cmd, &rsp);
3553 set_bit(FLAG_ENABLED, &ai->flags);
3561 airo_print_err(ai->dev->name, "Cannot enable MAC");
3562 else if ((rsp.status & 0xFF00) != 0) {
3563 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3564 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3570 static void disable_MAC( struct airo_info *ai, int lock ) {
3574 if (lock && down_interruptible(&ai->sem))
3577 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3578 memset(&cmd, 0, sizeof(cmd));
3579 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3580 issuecommand(ai, &cmd, &rsp);
3581 clear_bit(FLAG_ENABLED, &ai->flags);
3587 static void enable_interrupts( struct airo_info *ai ) {
3588 /* Enable the interrupts */
3589 OUT4500( ai, EVINTEN, STATUS_INTS );
3592 static void disable_interrupts( struct airo_info *ai ) {
3593 OUT4500( ai, EVINTEN, 0 );
3596 static void mpi_receive_802_3(struct airo_info *ai)
3600 struct sk_buff *skb;
3605 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3606 /* Make sure we got something */
3607 if (rxd.rdy && rxd.valid == 0) {
3609 if (len < 12 || len > 2048)
3612 skb = dev_alloc_skb(len);
3614 ai->dev->stats.rx_dropped++;
3617 buffer = skb_put(skb,len);
3618 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3619 if (ai->micstats.enabled) {
3621 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3623 if (ntohs(micbuf.typelen) <= 0x05DC) {
3624 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3627 off = sizeof(micbuf);
3628 skb_trim (skb, len - off);
3631 memcpy(buffer + ETH_ALEN * 2,
3632 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3633 len - ETH_ALEN * 2 - off);
3634 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3636 dev_kfree_skb_irq (skb);
3640 if (ai->spy_data.spy_number > 0) {
3642 struct iw_quality wstats;
3643 /* Prepare spy data : addr + qual */
3644 sa = buffer + ETH_ALEN;
3645 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3648 /* Update spy records */
3649 wireless_spy_update(ai->dev, sa, &wstats);
3651 #endif /* WIRELESS_SPY */
3653 skb->ip_summed = CHECKSUM_NONE;
3654 skb->protocol = eth_type_trans(skb, ai->dev);
3658 if (rxd.valid == 0) {
3662 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3666 static void mpi_receive_802_11(struct airo_info *ai)
3669 struct sk_buff *skb = NULL;
3670 u16 len, hdrlen = 0;
3675 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3677 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3678 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3680 /* Bad CRC. Ignore packet */
3681 if (le16_to_cpu(hdr.status) & 2)
3683 if (ai->wifidev == NULL)
3685 len = le16_to_cpu(hdr.len);
3686 if (len > AIRO_DEF_MTU) {
3687 airo_print_err(ai->dev->name, "Bad size %d", len);
3693 fc = get_unaligned((__le16 *)ptr);
3694 hdrlen = header_len(fc);
3696 skb = dev_alloc_skb( len + hdrlen + 2 );
3698 ai->dev->stats.rx_dropped++;
3701 buffer = (u16*)skb_put (skb, len + hdrlen);
3702 memcpy ((char *)buffer, ptr, hdrlen);
3706 gap = get_unaligned_le16(ptr);
3707 ptr += sizeof(__le16);
3712 airo_print_err(ai->dev->name,
3713 "gaplen too big. Problems will follow...");
3715 memcpy ((char *)buffer + hdrlen, ptr, len);
3717 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3718 if (ai->spy_data.spy_number > 0) {
3720 struct iw_quality wstats;
3721 /* Prepare spy data : addr + qual */
3722 sa = (char*)buffer + 10;
3723 wstats.qual = hdr.rssi[0];
3725 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3727 wstats.level = (hdr.rssi[1] + 321) / 2;
3728 wstats.noise = ai->wstats.qual.noise;
3729 wstats.updated = IW_QUAL_QUAL_UPDATED
3730 | IW_QUAL_LEVEL_UPDATED
3732 /* Update spy records */
3733 wireless_spy_update(ai->dev, sa, &wstats);
3735 #endif /* IW_WIRELESS_SPY */
3736 skb_reset_mac_header(skb);
3737 skb->pkt_type = PACKET_OTHERHOST;
3738 skb->dev = ai->wifidev;
3739 skb->protocol = htons(ETH_P_802_2);
3740 skb->ip_summed = CHECKSUM_NONE;
3744 if (rxd.valid == 0) {
3748 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3752 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3763 memset( &mySsid, 0, sizeof( mySsid ) );
3767 /* The NOP is the first step in getting the card going */
3769 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3770 if (lock && down_interruptible(&ai->sem))
3772 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3777 disable_MAC( ai, 0);
3779 // Let's figure out if we need to use the AUX port
3780 if (!test_bit(FLAG_MPI,&ai->flags)) {
3781 cmd.cmd = CMD_ENABLEAUX;
3782 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3785 airo_print_err(ai->dev->name, "Error checking for AUX port");
3788 if (!aux_bap || rsp.status & 0xff00) {
3789 ai->bap_read = fast_bap_read;
3790 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3792 ai->bap_read = aux_bap_read;
3793 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3798 if (ai->config.len == 0) {
3799 tdsRssiRid rssi_rid;
3800 CapabilityRid cap_rid;
3806 // general configuration (read/modify/write)
3807 status = readConfigRid(ai, lock);
3808 if ( status != SUCCESS ) return ERROR;
3810 status = readCapabilityRid(ai, &cap_rid, lock);
3811 if ( status != SUCCESS ) return ERROR;
3813 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3814 if ( status == SUCCESS ) {
3815 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3816 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3821 if (cap_rid.softCap & cpu_to_le16(8))
3822 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3824 airo_print_warn(ai->dev->name, "unknown received signal "
3827 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3828 ai->config.authType = AUTH_OPEN;
3829 ai->config.modulation = MOD_CCK;
3831 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3832 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3833 micsetup(ai) == SUCCESS) {
3834 ai->config.opmode |= MODE_MIC;
3835 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3838 /* Save off the MAC */
3839 for( i = 0; i < ETH_ALEN; i++ ) {
3840 mac[i] = ai->config.macAddr[i];
3843 /* Check to see if there are any insmod configured
3847 memset(ai->config.rates,0,sizeof(ai->config.rates));
3848 for( i = 0; i < 8 && rates[i]; i++ ) {
3849 ai->config.rates[i] = rates[i];
3852 if ( basic_rate > 0 ) {
3854 for( i = 0; i < 8; i++ ) {
3855 if ( ai->config.rates[i] == basic_rate ||
3856 !ai->config.rates ) {
3857 ai->config.rates[i] = basic_rate | 0x80;
3862 set_bit (FLAG_COMMIT, &ai->flags);
3865 /* Setup the SSIDs if present */
3868 for( i = 0; i < 3 && ssids[i]; i++ ) {
3869 size_t len = strlen(ssids[i]);
3872 mySsid.ssids[i].len = cpu_to_le16(len);
3873 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3875 mySsid.len = cpu_to_le16(sizeof(mySsid));
3878 status = writeConfigRid(ai, lock);
3879 if ( status != SUCCESS ) return ERROR;
3881 /* Set up the SSID list */
3883 status = writeSsidRid(ai, &mySsid, lock);
3884 if ( status != SUCCESS ) return ERROR;
3887 status = enable_MAC(ai, lock);
3888 if (status != SUCCESS)
3891 /* Grab the initial wep key, we gotta save it for auto_wep */
3892 rc = readWepKeyRid(ai, &wkr, 1, lock);
3893 if (rc == SUCCESS) do {
3894 lastindex = wkr.kindex;
3895 if (wkr.kindex == cpu_to_le16(0xffff)) {
3896 ai->defindex = wkr.mac[0];
3898 rc = readWepKeyRid(ai, &wkr, 0, lock);
3899 } while(lastindex != wkr.kindex);
3906 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3907 // Im really paranoid about letting it run forever!
3908 int max_tries = 600000;
3910 if (IN4500(ai, EVSTAT) & EV_CMD)
3911 OUT4500(ai, EVACK, EV_CMD);
3913 OUT4500(ai, PARAM0, pCmd->parm0);
3914 OUT4500(ai, PARAM1, pCmd->parm1);
3915 OUT4500(ai, PARAM2, pCmd->parm2);
3916 OUT4500(ai, COMMAND, pCmd->cmd);
3918 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3919 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3920 // PC4500 didn't notice command, try again
3921 OUT4500(ai, COMMAND, pCmd->cmd);
3922 if (!in_atomic() && (max_tries & 255) == 0)
3926 if ( max_tries == -1 ) {
3927 airo_print_err(ai->dev->name,
3928 "Max tries exceeded when issueing command");
3929 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3930 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3934 // command completed
3935 pRsp->status = IN4500(ai, STATUS);
3936 pRsp->rsp0 = IN4500(ai, RESP0);
3937 pRsp->rsp1 = IN4500(ai, RESP1);
3938 pRsp->rsp2 = IN4500(ai, RESP2);
3939 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3940 airo_print_err(ai->dev->name,
3941 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3942 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3945 // clear stuck command busy if necessary
3946 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3947 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3949 // acknowledge processing the status/response
3950 OUT4500(ai, EVACK, EV_CMD);
3955 /* Sets up the bap to start exchange data. whichbap should
3956 * be one of the BAP0 or BAP1 defines. Locks should be held before
3958 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3963 OUT4500(ai, SELECT0+whichbap, rid);
3964 OUT4500(ai, OFFSET0+whichbap, offset);
3966 int status = IN4500(ai, OFFSET0+whichbap);
3967 if (status & BAP_BUSY) {
3968 /* This isn't really a timeout, but its kinda
3973 } else if ( status & BAP_ERR ) {
3974 /* invalid rid or offset */
3975 airo_print_err(ai->dev->name, "BAP error %x %d",
3978 } else if (status & BAP_DONE) { // success
3981 if ( !(max_tries--) ) {
3982 airo_print_err(ai->dev->name,
3983 "BAP setup error too many retries\n");
3986 // -- PC4500 missed it, try again
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3993 /* should only be called by aux_bap_read. This aux function and the
3994 following use concepts not documented in the developers guide. I
3995 got them from a patch given to my by Aironet */
3996 static u16 aux_setup(struct airo_info *ai, u16 page,
3997 u16 offset, u16 *len)
4001 OUT4500(ai, AUXPAGE, page);
4002 OUT4500(ai, AUXOFF, 0);
4003 next = IN4500(ai, AUXDATA);
4004 *len = IN4500(ai, AUXDATA)&0xff;
4005 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4009 /* requires call to bap_setup() first */
4010 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4011 int bytelen, int whichbap)
4019 unsigned long flags;
4021 spin_lock_irqsave(&ai->aux_lock, flags);
4022 page = IN4500(ai, SWS0+whichbap);
4023 offset = IN4500(ai, SWS2+whichbap);
4024 next = aux_setup(ai, page, offset, &len);
4025 words = (bytelen+1)>>1;
4027 for (i=0; i<words;) {
4029 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4031 insw( ai->dev->base_addr+DATA0+whichbap,
4034 insb( ai->dev->base_addr+DATA0+whichbap,
4035 pu16Dst+i, count << 1 );
4038 next = aux_setup(ai, next, 4, &len);
4041 spin_unlock_irqrestore(&ai->aux_lock, flags);
4046 /* requires call to bap_setup() first */
4047 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4048 int bytelen, int whichbap)
4050 bytelen = (bytelen + 1) & (~1); // round up to even value
4052 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4054 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4058 /* requires call to bap_setup() first */
4059 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4060 int bytelen, int whichbap)
4062 bytelen = (bytelen + 1) & (~1); // round up to even value
4064 outsw( ai->dev->base_addr+DATA0+whichbap,
4065 pu16Src, bytelen>>1 );
4067 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4071 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4073 Cmd cmd; /* for issuing commands */
4074 Resp rsp; /* response from commands */
4077 memset(&cmd, 0, sizeof(cmd));
4080 status = issuecommand(ai, &cmd, &rsp);
4081 if (status != 0) return status;
4082 if ( (rsp.status & 0x7F00) != 0) {
4083 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4088 /* Note, that we are using BAP1 which is also used by transmit, so
4089 * we must get a lock. */
4090 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4096 if (down_interruptible(&ai->sem))
4099 if (test_bit(FLAG_MPI,&ai->flags)) {
4103 memset(&cmd, 0, sizeof(cmd));
4104 memset(&rsp, 0, sizeof(rsp));
4105 ai->config_desc.rid_desc.valid = 1;
4106 ai->config_desc.rid_desc.len = RIDSIZE;
4107 ai->config_desc.rid_desc.rid = 0;
4108 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4110 cmd.cmd = CMD_ACCESS;
4113 memcpy_toio(ai->config_desc.card_ram_off,
4114 &ai->config_desc.rid_desc, sizeof(Rid));
4116 rc = issuecommand(ai, &cmd, &rsp);
4118 if (rsp.status & 0x7f00)
4121 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4124 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4128 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4132 // read the rid length field
4133 bap_read(ai, pBuf, 2, BAP1);
4134 // length for remaining part of rid
4135 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4138 airo_print_err(ai->dev->name,
4139 "Rid %x has a length of %d which is too short",
4140 (int)rid, (int)len );
4144 // read remainder of the rid
4145 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4153 /* Note, that we are using BAP1 which is also used by transmit, so
4154 * make sure this isnt called when a transmit is happening */
4155 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4156 const void *pBuf, int len, int lock)
4161 *(__le16*)pBuf = cpu_to_le16((u16)len);
4164 if (down_interruptible(&ai->sem))
4167 if (test_bit(FLAG_MPI,&ai->flags)) {
4171 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4172 airo_print_err(ai->dev->name,
4173 "%s: MAC should be disabled (rid=%04x)",
4175 memset(&cmd, 0, sizeof(cmd));
4176 memset(&rsp, 0, sizeof(rsp));
4178 ai->config_desc.rid_desc.valid = 1;
4179 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4180 ai->config_desc.rid_desc.rid = 0;
4182 cmd.cmd = CMD_WRITERID;
4185 memcpy_toio(ai->config_desc.card_ram_off,
4186 &ai->config_desc.rid_desc, sizeof(Rid));
4188 if (len < 4 || len > 2047) {
4189 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4192 memcpy((char *)ai->config_desc.virtual_host_addr,
4195 rc = issuecommand(ai, &cmd, &rsp);
4196 if ((rc & 0xff00) != 0) {
4197 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4199 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4203 if ((rsp.status & 0x7f00))
4207 // --- first access so that we can write the rid data
4208 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4212 // --- now write the rid data
4213 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4217 bap_write(ai, pBuf, len, BAP1);
4218 // ---now commit the rid data
4219 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4227 /* Allocates a FID to be used for transmitting packets. We only use
4229 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4231 unsigned int loop = 3000;
4237 cmd.cmd = CMD_ALLOCATETX;
4238 cmd.parm0 = lenPayload;
4239 if (down_interruptible(&ai->sem))
4241 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4245 if ( (rsp.status & 0xFF00) != 0) {
4249 /* wait for the allocate event/indication
4250 * It makes me kind of nervous that this can just sit here and spin,
4251 * but in practice it only loops like four times. */
4252 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4258 // get the allocated fid and acknowledge
4259 txFid = IN4500(ai, TXALLOCFID);
4260 OUT4500(ai, EVACK, EV_ALLOC);
4262 /* The CARD is pretty cool since it converts the ethernet packet
4263 * into 802.11. Also note that we don't release the FID since we
4264 * will be using the same one over and over again. */
4265 /* We only have to setup the control once since we are not
4266 * releasing the fid. */
4268 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4269 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4271 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4272 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4273 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4276 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4284 /* In general BAP1 is dedicated to transmiting packets. However,
4285 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4286 Make sure the BAP1 spinlock is held when this is called. */
4287 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4298 if (len <= ETH_ALEN * 2) {
4299 airo_print_warn(ai->dev->name, "Short packet %d", len);
4302 len -= ETH_ALEN * 2;
4304 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4305 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4306 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4308 miclen = sizeof(pMic);
4310 // packet is destination[6], source[6], payload[len-12]
4311 // write the payload length and dst/src/payload
4312 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4313 /* The hardware addresses aren't counted as part of the payload, so
4314 * we have to subtract the 12 bytes for the addresses off */
4315 payloadLen = cpu_to_le16(len + miclen);
4316 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4317 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4319 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4320 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4321 // issue the transmit command
4322 memset( &cmd, 0, sizeof( cmd ) );
4323 cmd.cmd = CMD_TRANSMIT;
4325 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4326 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4330 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4332 __le16 fc, payloadLen;
4336 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4337 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4341 fc = *(__le16*)pPacket;
4342 hdrlen = header_len(fc);
4345 airo_print_warn(ai->dev->name, "Short packet %d", len);
4349 /* packet is 802.11 header + payload
4350 * write the payload length and dst/src/payload */
4351 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4352 /* The 802.11 header aren't counted as part of the payload, so
4353 * we have to subtract the header bytes off */
4354 payloadLen = cpu_to_le16(len-hdrlen);
4355 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4356 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4357 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4358 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4360 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4361 // issue the transmit command
4362 memset( &cmd, 0, sizeof( cmd ) );
4363 cmd.cmd = CMD_TRANSMIT;
4365 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4366 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4371 * This is the proc_fs routines. It is a bit messier than I would
4372 * like! Feel free to clean it up!
4375 static ssize_t proc_read( struct file *file,
4376 char __user *buffer,
4380 static ssize_t proc_write( struct file *file,
4381 const char __user *buffer,
4384 static int proc_close( struct inode *inode, struct file *file );
4386 static int proc_stats_open( struct inode *inode, struct file *file );
4387 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4388 static int proc_status_open( struct inode *inode, struct file *file );
4389 static int proc_SSID_open( struct inode *inode, struct file *file );
4390 static int proc_APList_open( struct inode *inode, struct file *file );
4391 static int proc_BSSList_open( struct inode *inode, struct file *file );
4392 static int proc_config_open( struct inode *inode, struct file *file );
4393 static int proc_wepkey_open( struct inode *inode, struct file *file );
4395 static const struct file_operations proc_statsdelta_ops = {
4396 .owner = THIS_MODULE,
4398 .open = proc_statsdelta_open,
4399 .release = proc_close
4402 static const struct file_operations proc_stats_ops = {
4403 .owner = THIS_MODULE,
4405 .open = proc_stats_open,
4406 .release = proc_close
4409 static const struct file_operations proc_status_ops = {
4410 .owner = THIS_MODULE,
4412 .open = proc_status_open,
4413 .release = proc_close
4416 static const struct file_operations proc_SSID_ops = {
4417 .owner = THIS_MODULE,
4419 .write = proc_write,
4420 .open = proc_SSID_open,
4421 .release = proc_close
4424 static const struct file_operations proc_BSSList_ops = {
4425 .owner = THIS_MODULE,
4427 .write = proc_write,
4428 .open = proc_BSSList_open,
4429 .release = proc_close
4432 static const struct file_operations proc_APList_ops = {
4433 .owner = THIS_MODULE,
4435 .write = proc_write,
4436 .open = proc_APList_open,
4437 .release = proc_close
4440 static const struct file_operations proc_config_ops = {
4441 .owner = THIS_MODULE,
4443 .write = proc_write,
4444 .open = proc_config_open,
4445 .release = proc_close
4448 static const struct file_operations proc_wepkey_ops = {
4449 .owner = THIS_MODULE,
4451 .write = proc_write,
4452 .open = proc_wepkey_open,
4453 .release = proc_close
4456 static struct proc_dir_entry *airo_entry;
4465 void (*on_close) (struct inode *, struct file *);
4468 static int setup_proc_entry( struct net_device *dev,
4469 struct airo_info *apriv ) {
4470 struct proc_dir_entry *entry;
4471 /* First setup the device directory */
4472 strcpy(apriv->proc_name,dev->name);
4473 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4476 if (!apriv->proc_entry)
4478 apriv->proc_entry->uid = proc_uid;
4479 apriv->proc_entry->gid = proc_gid;
4480 apriv->proc_entry->owner = THIS_MODULE;
4482 /* Setup the StatsDelta */
4483 entry = proc_create_data("StatsDelta",
4484 S_IFREG | (S_IRUGO&proc_perm),
4485 apriv->proc_entry, &proc_statsdelta_ops, dev);
4487 goto fail_stats_delta;
4488 entry->uid = proc_uid;
4489 entry->gid = proc_gid;
4491 /* Setup the Stats */
4492 entry = proc_create_data("Stats",
4493 S_IFREG | (S_IRUGO&proc_perm),
4494 apriv->proc_entry, &proc_stats_ops, dev);
4497 entry->uid = proc_uid;
4498 entry->gid = proc_gid;
4500 /* Setup the Status */
4501 entry = proc_create_data("Status",
4502 S_IFREG | (S_IRUGO&proc_perm),
4503 apriv->proc_entry, &proc_status_ops, dev);
4506 entry->uid = proc_uid;
4507 entry->gid = proc_gid;
4509 /* Setup the Config */
4510 entry = proc_create_data("Config",
4511 S_IFREG | proc_perm,
4512 apriv->proc_entry, &proc_config_ops, dev);
4515 entry->uid = proc_uid;
4516 entry->gid = proc_gid;
4518 /* Setup the SSID */
4519 entry = proc_create_data("SSID",
4520 S_IFREG | proc_perm,
4521 apriv->proc_entry, &proc_SSID_ops, dev);
4524 entry->uid = proc_uid;
4525 entry->gid = proc_gid;
4527 /* Setup the APList */
4528 entry = proc_create_data("APList",
4529 S_IFREG | proc_perm,
4530 apriv->proc_entry, &proc_APList_ops, dev);
4533 entry->uid = proc_uid;
4534 entry->gid = proc_gid;
4536 /* Setup the BSSList */
4537 entry = proc_create_data("BSSList",
4538 S_IFREG | proc_perm,
4539 apriv->proc_entry, &proc_BSSList_ops, dev);
4542 entry->uid = proc_uid;
4543 entry->gid = proc_gid;
4545 /* Setup the WepKey */
4546 entry = proc_create_data("WepKey",
4547 S_IFREG | proc_perm,
4548 apriv->proc_entry, &proc_wepkey_ops, dev);
4551 entry->uid = proc_uid;
4552 entry->gid = proc_gid;
4557 remove_proc_entry("BSSList", apriv->proc_entry);
4559 remove_proc_entry("APList", apriv->proc_entry);
4561 remove_proc_entry("SSID", apriv->proc_entry);
4563 remove_proc_entry("Config", apriv->proc_entry);
4565 remove_proc_entry("Status", apriv->proc_entry);
4567 remove_proc_entry("Stats", apriv->proc_entry);
4569 remove_proc_entry("StatsDelta", apriv->proc_entry);
4571 remove_proc_entry(apriv->proc_name, airo_entry);
4576 static int takedown_proc_entry( struct net_device *dev,
4577 struct airo_info *apriv ) {
4578 if ( !apriv->proc_entry->namelen ) return 0;
4579 remove_proc_entry("Stats",apriv->proc_entry);
4580 remove_proc_entry("StatsDelta",apriv->proc_entry);
4581 remove_proc_entry("Status",apriv->proc_entry);
4582 remove_proc_entry("Config",apriv->proc_entry);
4583 remove_proc_entry("SSID",apriv->proc_entry);
4584 remove_proc_entry("APList",apriv->proc_entry);
4585 remove_proc_entry("BSSList",apriv->proc_entry);
4586 remove_proc_entry("WepKey",apriv->proc_entry);
4587 remove_proc_entry(apriv->proc_name,airo_entry);
4592 * What we want from the proc_fs is to be able to efficiently read
4593 * and write the configuration. To do this, we want to read the
4594 * configuration when the file is opened and write it when the file is
4595 * closed. So basically we allocate a read buffer at open and fill it
4596 * with data, and allocate a write buffer and read it at close.
4600 * The read routine is generic, it relies on the preallocated rbuffer
4601 * to supply the data.
4603 static ssize_t proc_read( struct file *file,
4604 char __user *buffer,
4608 struct proc_data *priv = file->private_data;
4613 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4618 * The write routine is generic, it fills in a preallocated rbuffer
4619 * to supply the data.
4621 static ssize_t proc_write( struct file *file,
4622 const char __user *buffer,
4626 loff_t pos = *offset;
4627 struct proc_data *priv = (struct proc_data*)file->private_data;
4634 if (pos >= priv->maxwritelen)
4636 if (len > priv->maxwritelen - pos)
4637 len = priv->maxwritelen - pos;
4638 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4640 if ( pos + len > priv->writelen )
4641 priv->writelen = len + file->f_pos;
4642 *offset = pos + len;
4646 static int proc_status_open(struct inode *inode, struct file *file)
4648 struct proc_data *data;
4649 struct proc_dir_entry *dp = PDE(inode);
4650 struct net_device *dev = dp->data;
4651 struct airo_info *apriv = dev->ml_priv;
4652 CapabilityRid cap_rid;
4653 StatusRid status_rid;
4657 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4659 data = (struct proc_data *)file->private_data;
4660 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4661 kfree (file->private_data);
4665 readStatusRid(apriv, &status_rid, 1);
4666 readCapabilityRid(apriv, &cap_rid, 1);
4668 mode = le16_to_cpu(status_rid.mode);
4670 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4671 mode & 1 ? "CFG ": "",
4672 mode & 2 ? "ACT ": "",
4673 mode & 0x10 ? "SYN ": "",
4674 mode & 0x20 ? "LNK ": "",
4675 mode & 0x40 ? "LEAP ": "",
4676 mode & 0x80 ? "PRIV ": "",
4677 mode & 0x100 ? "KEY ": "",
4678 mode & 0x200 ? "WEP ": "",
4679 mode & 0x8000 ? "ERR ": "");
4680 sprintf( data->rbuffer+i, "Mode: %x\n"
4681 "Signal Strength: %d\n"
4682 "Signal Quality: %d\n"
4687 "Driver Version: %s\n"
4688 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4689 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4690 "Software Version: %x\nSoftware Subversion: %x\n"
4691 "Boot block version: %x\n",
4692 le16_to_cpu(status_rid.mode),
4693 le16_to_cpu(status_rid.normalizedSignalStrength),
4694 le16_to_cpu(status_rid.signalQuality),
4695 le16_to_cpu(status_rid.SSIDlen),
4698 le16_to_cpu(status_rid.channel),
4699 le16_to_cpu(status_rid.currentXmitRate) / 2,
4704 le16_to_cpu(cap_rid.radioType),
4705 le16_to_cpu(cap_rid.country),
4706 le16_to_cpu(cap_rid.hardVer),
4707 le16_to_cpu(cap_rid.softVer),
4708 le16_to_cpu(cap_rid.softSubVer),
4709 le16_to_cpu(cap_rid.bootBlockVer));
4710 data->readlen = strlen( data->rbuffer );
4714 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4715 static int proc_statsdelta_open( struct inode *inode,
4716 struct file *file ) {
4717 if (file->f_mode&FMODE_WRITE) {
4718 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4720 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4723 static int proc_stats_open( struct inode *inode, struct file *file ) {
4724 return proc_stats_rid_open(inode, file, RID_STATS);
4727 static int proc_stats_rid_open( struct inode *inode,
4731 struct proc_data *data;
4732 struct proc_dir_entry *dp = PDE(inode);
4733 struct net_device *dev = dp->data;
4734 struct airo_info *apriv = dev->ml_priv;
4737 __le32 *vals = stats.vals;
4738 int len = le16_to_cpu(stats.len);
4740 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4742 data = (struct proc_data *)file->private_data;
4743 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4744 kfree (file->private_data);
4748 readStatsRid(apriv, &stats, rid, 1);
4751 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4752 if (!statsLabels[i]) continue;
4753 if (j+strlen(statsLabels[i])+16>4096) {
4754 airo_print_warn(apriv->dev->name,
4755 "Potentially disasterous buffer overflow averted!");
4758 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4759 le32_to_cpu(vals[i]));
4762 airo_print_warn(apriv->dev->name, "Got a short rid");
4768 static int get_dec_u16( char *buffer, int *start, int limit ) {
4771 for( value = 0; buffer[*start] >= '0' &&
4772 buffer[*start] <= '9' &&
4773 *start < limit; (*start)++ ) {
4776 value += buffer[*start] - '0';
4778 if ( !valid ) return -1;
4782 static int airo_config_commit(struct net_device *dev,
4783 struct iw_request_info *info, void *zwrq,
4786 static inline int sniffing_mode(struct airo_info *ai)
4788 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4789 le16_to_cpu(RXMODE_RFMON);
4792 static void proc_config_on_close(struct inode *inode, struct file *file)
4794 struct proc_data *data = file->private_data;
4795 struct proc_dir_entry *dp = PDE(inode);
4796 struct net_device *dev = dp->data;
4797 struct airo_info *ai = dev->ml_priv;
4800 if ( !data->writelen ) return;
4802 readConfigRid(ai, 1);
4803 set_bit (FLAG_COMMIT, &ai->flags);
4805 line = data->wbuffer;
4807 /*** Mode processing */
4808 if ( !strncmp( line, "Mode: ", 6 ) ) {
4810 if (sniffing_mode(ai))
4811 set_bit (FLAG_RESET, &ai->flags);
4812 ai->config.rmode &= ~RXMODE_FULL_MASK;
4813 clear_bit (FLAG_802_11, &ai->flags);
4814 ai->config.opmode &= ~MODE_CFG_MASK;
4815 ai->config.scanMode = SCANMODE_ACTIVE;
4816 if ( line[0] == 'a' ) {
4817 ai->config.opmode |= MODE_STA_IBSS;
4819 ai->config.opmode |= MODE_STA_ESS;
4820 if ( line[0] == 'r' ) {
4821 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4822 ai->config.scanMode = SCANMODE_PASSIVE;
4823 set_bit (FLAG_802_11, &ai->flags);
4824 } else if ( line[0] == 'y' ) {
4825 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4826 ai->config.scanMode = SCANMODE_PASSIVE;
4827 set_bit (FLAG_802_11, &ai->flags);
4828 } else if ( line[0] == 'l' )
4829 ai->config.rmode |= RXMODE_LANMON;
4831 set_bit (FLAG_COMMIT, &ai->flags);
4834 /*** Radio status */
4835 else if (!strncmp(line,"Radio: ", 7)) {
4837 if (!strncmp(line,"off",3)) {
4838 set_bit (FLAG_RADIO_OFF, &ai->flags);
4840 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4843 /*** NodeName processing */
4844 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4848 memset( ai->config.nodeName, 0, 16 );
4849 /* Do the name, assume a space between the mode and node name */
4850 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4851 ai->config.nodeName[j] = line[j];
4853 set_bit (FLAG_COMMIT, &ai->flags);
4856 /*** PowerMode processing */
4857 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4859 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4860 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4861 set_bit (FLAG_COMMIT, &ai->flags);
4862 } else if ( !strncmp( line, "PSP", 3 ) ) {
4863 ai->config.powerSaveMode = POWERSAVE_PSP;
4864 set_bit (FLAG_COMMIT, &ai->flags);
4866 ai->config.powerSaveMode = POWERSAVE_CAM;
4867 set_bit (FLAG_COMMIT, &ai->flags);
4869 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4870 int v, i = 0, k = 0; /* i is index into line,
4871 k is index to rates */
4874 while((v = get_dec_u16(line, &i, 3))!=-1) {
4875 ai->config.rates[k++] = (u8)v;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4880 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4883 v = get_dec_u16(line, &i, i+3);
4885 ai->config.channelSet = cpu_to_le16(v);
4886 set_bit (FLAG_COMMIT, &ai->flags);
4888 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4891 v = get_dec_u16(line, &i, i+3);
4893 ai->config.txPower = cpu_to_le16(v);
4894 set_bit (FLAG_COMMIT, &ai->flags);
4896 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4900 ai->config.authType = AUTH_SHAREDKEY;
4903 ai->config.authType = AUTH_ENCRYPT;
4906 ai->config.authType = AUTH_OPEN;
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4914 v = get_dec_u16(line, &i, 3);
4915 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4916 ai->config.longRetryLimit = cpu_to_le16(v);
4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4922 v = get_dec_u16(line, &i, 3);
4923 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4924 ai->config.shortRetryLimit = cpu_to_le16(v);
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4930 v = get_dec_u16(line, &i, 4);
4931 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4932 ai->config.rtsThres = cpu_to_le16(v);
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4938 v = get_dec_u16(line, &i, 5);
4940 ai->config.txLifetime = cpu_to_le16(v);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4946 v = get_dec_u16(line, &i, 5);
4948 ai->config.rxLifetime = cpu_to_le16(v);
4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4951 ai->config.txDiversity =
4952 (line[13]=='l') ? 1 :
4953 ((line[13]=='r')? 2: 3);
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4956 ai->config.rxDiversity =
4957 (line[13]=='l') ? 1 :
4958 ((line[13]=='r')? 2: 3);
4959 set_bit (FLAG_COMMIT, &ai->flags);
4960 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4964 v = get_dec_u16(line, &i, 4);
4965 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4966 v = v & 0xfffe; /* Make sure its even */
4967 ai->config.fragThresh = cpu_to_le16(v);
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if (!strncmp(line, "Modulation: ", 12)) {
4972 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4974 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4977 } else if (!strncmp(line, "Preamble: ", 10)) {
4980 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4982 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4983 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4986 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4988 while( line[0] && line[0] != '\n' ) line++;
4989 if ( line[0] ) line++;
4991 airo_config_commit(dev, NULL, NULL, NULL);
4994 static char *get_rmode(__le16 mode)
4996 switch(mode & RXMODE_MASK) {
4997 case RXMODE_RFMON: return "rfmon";
4998 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4999 case RXMODE_LANMON: return "lanmon";
5004 static int proc_config_open(struct inode *inode, struct file *file)
5006 struct proc_data *data;
5007 struct proc_dir_entry *dp = PDE(inode);
5008 struct net_device *dev = dp->data;
5009 struct airo_info *ai = dev->ml_priv;
5013 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5015 data = (struct proc_data *)file->private_data;
5016 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5017 kfree (file->private_data);
5020 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5021 kfree (data->rbuffer);
5022 kfree (file->private_data);
5025 data->maxwritelen = 2048;
5026 data->on_close = proc_config_on_close;
5028 readConfigRid(ai, 1);
5030 mode = ai->config.opmode & MODE_CFG_MASK;
5031 i = sprintf( data->rbuffer,
5036 "DataRates: %d %d %d %d %d %d %d %d\n"
5039 mode == MODE_STA_IBSS ? "adhoc" :
5040 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5041 mode == MODE_AP ? "AP" :
5042 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5043 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5044 ai->config.nodeName,
5045 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5046 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5047 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5049 (int)ai->config.rates[0],
5050 (int)ai->config.rates[1],
5051 (int)ai->config.rates[2],
5052 (int)ai->config.rates[3],
5053 (int)ai->config.rates[4],
5054 (int)ai->config.rates[5],
5055 (int)ai->config.rates[6],
5056 (int)ai->config.rates[7],
5057 le16_to_cpu(ai->config.channelSet),
5058 le16_to_cpu(ai->config.txPower)
5060 sprintf( data->rbuffer + i,
5061 "LongRetryLimit: %d\n"
5062 "ShortRetryLimit: %d\n"
5063 "RTSThreshold: %d\n"
5064 "TXMSDULifetime: %d\n"
5065 "RXMSDULifetime: %d\n"
5068 "FragThreshold: %d\n"
5072 le16_to_cpu(ai->config.longRetryLimit),
5073 le16_to_cpu(ai->config.shortRetryLimit),
5074 le16_to_cpu(ai->config.rtsThres),
5075 le16_to_cpu(ai->config.txLifetime),
5076 le16_to_cpu(ai->config.rxLifetime),
5077 ai->config.txDiversity == 1 ? "left" :
5078 ai->config.txDiversity == 2 ? "right" : "both",
5079 ai->config.rxDiversity == 1 ? "left" :
5080 ai->config.rxDiversity == 2 ? "right" : "both",
5081 le16_to_cpu(ai->config.fragThresh),
5082 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5083 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5084 ai->config.modulation == MOD_DEFAULT ? "default" :
5085 ai->config.modulation == MOD_CCK ? "cck" :
5086 ai->config.modulation == MOD_MOK ? "mok" : "error",
5087 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5088 ai->config.preamble == PREAMBLE_LONG ? "long" :
5089 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5091 data->readlen = strlen( data->rbuffer );
5095 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5097 struct proc_data *data = (struct proc_data *)file->private_data;
5098 struct proc_dir_entry *dp = PDE(inode);
5099 struct net_device *dev = dp->data;
5100 struct airo_info *ai = dev->ml_priv;
5103 char *p = data->wbuffer;
5104 char *end = p + data->writelen;
5106 if (!data->writelen)
5109 *end = '\n'; /* sentinel; we have space for it */
5111 memset(&SSID_rid, 0, sizeof(SSID_rid));
5113 for (i = 0; i < 3 && p < end; i++) {
5115 /* copy up to 32 characters from this line */
5116 while (*p != '\n' && j < 32)
5117 SSID_rid.ssids[i].ssid[j++] = *p++;
5120 SSID_rid.ssids[i].len = cpu_to_le16(j);
5121 /* skip to the beginning of the next line */
5122 while (*p++ != '\n')
5126 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5128 writeSsidRid(ai, &SSID_rid, 1);
5132 static inline u8 hexVal(char c) {
5133 if (c>='0' && c<='9') return c -= '0';
5134 if (c>='a' && c<='f') return c -= 'a'-10;
5135 if (c>='A' && c<='F') return c -= 'A'-10;
5139 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5140 struct proc_data *data = (struct proc_data *)file->private_data;
5141 struct proc_dir_entry *dp = PDE(inode);
5142 struct net_device *dev = dp->data;
5143 struct airo_info *ai = dev->ml_priv;
5144 APListRid APList_rid;
5147 if ( !data->writelen ) return;
5149 memset( &APList_rid, 0, sizeof(APList_rid) );
5150 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5152 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5154 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5157 APList_rid.ap[i][j/3]=
5158 hexVal(data->wbuffer[j+i*6*3])<<4;
5161 APList_rid.ap[i][j/3]|=
5162 hexVal(data->wbuffer[j+i*6*3]);
5168 writeAPListRid(ai, &APList_rid, 1);
5172 /* This function wraps PC4500_writerid with a MAC disable */
5173 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5174 int len, int dummy ) {
5178 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5183 /* Returns the WEP key at the specified index, or -1 if that key does
5184 * not exist. The buffer is assumed to be at least 16 bytes in length.
5186 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5192 rc = readWepKeyRid(ai, &wkr, 1, 1);
5196 lastindex = wkr.kindex;
5197 if (le16_to_cpu(wkr.kindex) == index) {
5198 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5199 memcpy(buf, wkr.key, klen);
5202 rc = readWepKeyRid(ai, &wkr, 0, 1);
5205 } while (lastindex != wkr.kindex);
5209 static int get_wep_tx_idx(struct airo_info *ai)
5215 rc = readWepKeyRid(ai, &wkr, 1, 1);
5219 lastindex = wkr.kindex;
5220 if (wkr.kindex == cpu_to_le16(0xffff))
5222 rc = readWepKeyRid(ai, &wkr, 0, 1);
5225 } while (lastindex != wkr.kindex);
5229 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5230 u16 keylen, int perm, int lock)
5232 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5237 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5242 memset(&wkr, 0, sizeof(wkr));
5243 wkr.len = cpu_to_le16(sizeof(wkr));
5244 wkr.kindex = cpu_to_le16(index);
5245 wkr.klen = cpu_to_le16(keylen);
5246 memcpy(wkr.key, key, keylen);
5247 memcpy(wkr.mac, macaddr, ETH_ALEN);
5249 if (perm) disable_MAC(ai, lock);
5250 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5251 if (perm) enable_MAC(ai, lock);
5255 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5260 memset(&wkr, 0, sizeof(wkr));
5261 wkr.len = cpu_to_le16(sizeof(wkr));
5262 wkr.kindex = cpu_to_le16(0xffff);
5263 wkr.mac[0] = (char)index;
5266 ai->defindex = (char)index;
5267 disable_MAC(ai, lock);
5270 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5273 enable_MAC(ai, lock);
5277 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5278 struct proc_data *data;
5279 struct proc_dir_entry *dp = PDE(inode);
5280 struct net_device *dev = dp->data;
5281 struct airo_info *ai = dev->ml_priv;
5287 memset(key, 0, sizeof(key));
5289 data = (struct proc_data *)file->private_data;
5290 if ( !data->writelen ) return;
5292 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5293 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5294 index = data->wbuffer[0] - '0';
5295 if (data->wbuffer[1] == '\n') {
5296 rc = set_wep_tx_idx(ai, index, 1, 1);
5298 airo_print_err(ai->dev->name, "failed to set "
5299 "WEP transmit index to %d: %d.",
5306 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5310 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5313 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5316 key[i/3] |= hexVal(data->wbuffer[i+j]);
5321 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5323 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5324 "%d: %d.", index, rc);
5328 static int proc_wepkey_open( struct inode *inode, struct file *file )
5330 struct proc_data *data;
5331 struct proc_dir_entry *dp = PDE(inode);
5332 struct net_device *dev = dp->data;
5333 struct airo_info *ai = dev->ml_priv;
5340 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5342 memset(&wkr, 0, sizeof(wkr));
5343 data = (struct proc_data *)file->private_data;
5344 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5345 kfree (file->private_data);
5349 data->maxwritelen = 80;
5350 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5351 kfree (data->rbuffer);
5352 kfree (file->private_data);
5355 data->on_close = proc_wepkey_on_close;
5357 ptr = data->rbuffer;
5358 strcpy(ptr, "No wep keys\n");
5359 rc = readWepKeyRid(ai, &wkr, 1, 1);
5360 if (rc == SUCCESS) do {
5361 lastindex = wkr.kindex;
5362 if (wkr.kindex == cpu_to_le16(0xffff)) {
5363 j += sprintf(ptr+j, "Tx key = %d\n",
5366 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5367 le16_to_cpu(wkr.kindex),
5368 le16_to_cpu(wkr.klen));
5370 readWepKeyRid(ai, &wkr, 0, 1);
5371 } while((lastindex != wkr.kindex) && (j < 180-30));
5373 data->readlen = strlen( data->rbuffer );
5377 static int proc_SSID_open(struct inode *inode, struct file *file)
5379 struct proc_data *data;
5380 struct proc_dir_entry *dp = PDE(inode);
5381 struct net_device *dev = dp->data;
5382 struct airo_info *ai = dev->ml_priv;
5387 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5389 data = (struct proc_data *)file->private_data;
5390 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5391 kfree (file->private_data);
5395 data->maxwritelen = 33*3;
5396 /* allocate maxwritelen + 1; we'll want a sentinel */
5397 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5398 kfree (data->rbuffer);
5399 kfree (file->private_data);
5402 data->on_close = proc_SSID_on_close;
5404 readSsidRid(ai, &SSID_rid);
5405 ptr = data->rbuffer;
5406 for (i = 0; i < 3; i++) {
5408 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5413 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5414 *ptr++ = SSID_rid.ssids[i].ssid[j];
5418 data->readlen = strlen( data->rbuffer );
5422 static int proc_APList_open( struct inode *inode, struct file *file ) {
5423 struct proc_data *data;
5424 struct proc_dir_entry *dp = PDE(inode);
5425 struct net_device *dev = dp->data;
5426 struct airo_info *ai = dev->ml_priv;
5429 APListRid APList_rid;
5431 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5433 data = (struct proc_data *)file->private_data;
5434 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5435 kfree (file->private_data);
5439 data->maxwritelen = 4*6*3;
5440 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5441 kfree (data->rbuffer);
5442 kfree (file->private_data);
5445 data->on_close = proc_APList_on_close;
5447 readAPListRid(ai, &APList_rid);
5448 ptr = data->rbuffer;
5449 for( i = 0; i < 4; i++ ) {
5450 // We end when we find a zero MAC
5451 if ( !*(int*)APList_rid.ap[i] &&
5452 !*(int*)&APList_rid.ap[i][2]) break;
5453 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5455 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5458 data->readlen = strlen( data->rbuffer );
5462 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5463 struct proc_data *data;
5464 struct proc_dir_entry *dp = PDE(inode);
5465 struct net_device *dev = dp->data;
5466 struct airo_info *ai = dev->ml_priv;
5468 BSSListRid BSSList_rid;
5470 /* If doLoseSync is not 1, we won't do a Lose Sync */
5471 int doLoseSync = -1;
5473 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5475 data = (struct proc_data *)file->private_data;
5476 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5477 kfree (file->private_data);
5481 data->maxwritelen = 0;
5482 data->wbuffer = NULL;
5483 data->on_close = NULL;
5485 if (file->f_mode & FMODE_WRITE) {
5486 if (!(file->f_mode & FMODE_READ)) {
5490 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5491 memset(&cmd, 0, sizeof(cmd));
5492 cmd.cmd=CMD_LISTBSS;
5493 if (down_interruptible(&ai->sem))
5494 return -ERESTARTSYS;
5495 issuecommand(ai, &cmd, &rsp);
5502 ptr = data->rbuffer;
5503 /* There is a race condition here if there are concurrent opens.
5504 Since it is a rare condition, we'll just live with it, otherwise
5505 we have to add a spin lock... */
5506 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5507 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5508 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5510 (int)BSSList_rid.ssidLen,
5512 le16_to_cpu(BSSList_rid.dBm));
5513 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5514 le16_to_cpu(BSSList_rid.dsChannel),
5515 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5516 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5517 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5518 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5519 rc = readBSSListRid(ai, 0, &BSSList_rid);
5522 data->readlen = strlen( data->rbuffer );
5526 static int proc_close( struct inode *inode, struct file *file )
5528 struct proc_data *data = file->private_data;
5530 if (data->on_close != NULL)
5531 data->on_close(inode, file);
5532 kfree(data->rbuffer);
5533 kfree(data->wbuffer);
5538 /* Since the card doesn't automatically switch to the right WEP mode,
5539 we will make it do it. If the card isn't associated, every secs we
5540 will switch WEP modes to see if that will help. If the card is
5541 associated we will check every minute to see if anything has
5543 static void timer_func( struct net_device *dev ) {
5544 struct airo_info *apriv = dev->ml_priv;
5546 /* We don't have a link so try changing the authtype */
5547 readConfigRid(apriv, 0);
5548 disable_MAC(apriv, 0);
5549 switch(apriv->config.authType) {
5551 /* So drop to OPEN */
5552 apriv->config.authType = AUTH_OPEN;
5554 case AUTH_SHAREDKEY:
5555 if (apriv->keyindex < auto_wep) {
5556 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5557 apriv->config.authType = AUTH_SHAREDKEY;
5560 /* Drop to ENCRYPT */
5561 apriv->keyindex = 0;
5562 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5563 apriv->config.authType = AUTH_ENCRYPT;
5566 default: /* We'll escalate to SHAREDKEY */
5567 apriv->config.authType = AUTH_SHAREDKEY;
5569 set_bit (FLAG_COMMIT, &apriv->flags);
5570 writeConfigRid(apriv, 0);
5571 enable_MAC(apriv, 0);
5574 /* Schedule check to see if the change worked */
5575 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5576 apriv->expires = RUN_AT(HZ*3);
5580 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5581 const struct pci_device_id *pent)
5583 struct net_device *dev;
5585 if (pci_enable_device(pdev))
5587 pci_set_master(pdev);
5589 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5590 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5592 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5594 pci_disable_device(pdev);
5598 pci_set_drvdata(pdev, dev);
5602 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5604 struct net_device *dev = pci_get_drvdata(pdev);
5606 airo_print_info(dev->name, "Unregistering...");
5607 stop_airo_card(dev, 1);
5608 pci_disable_device(pdev);
5609 pci_set_drvdata(pdev, NULL);
5612 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5614 struct net_device *dev = pci_get_drvdata(pdev);
5615 struct airo_info *ai = dev->ml_priv;
5620 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5624 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5627 readAPListRid(ai, ai->APList);
5628 readSsidRid(ai, ai->SSID);
5629 memset(&cmd, 0, sizeof(cmd));
5630 /* the lock will be released at the end of the resume callback */
5631 if (down_interruptible(&ai->sem))
5634 netif_device_detach(dev);
5636 cmd.cmd = HOSTSLEEP;
5637 issuecommand(ai, &cmd, &rsp);
5639 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5640 pci_save_state(pdev);
5641 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5644 static int airo_pci_resume(struct pci_dev *pdev)
5646 struct net_device *dev = pci_get_drvdata(pdev);
5647 struct airo_info *ai = dev->ml_priv;
5648 pci_power_t prev_state = pdev->current_state;
5650 pci_set_power_state(pdev, PCI_D0);
5651 pci_restore_state(pdev);
5652 pci_enable_wake(pdev, PCI_D0, 0);
5654 if (prev_state != PCI_D1) {
5656 mpi_init_descriptors(ai);
5657 setup_card(ai, dev->dev_addr, 0);
5658 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5659 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5661 OUT4500(ai, EVACK, EV_AWAKEN);
5662 OUT4500(ai, EVACK, EV_AWAKEN);
5666 set_bit(FLAG_COMMIT, &ai->flags);
5670 writeSsidRid(ai, ai->SSID, 0);
5675 writeAPListRid(ai, ai->APList, 0);
5679 writeConfigRid(ai, 0);
5681 ai->power = PMSG_ON;
5682 netif_device_attach(dev);
5683 netif_wake_queue(dev);
5684 enable_interrupts(ai);
5690 static int __init airo_init_module( void )
5694 airo_entry = create_proc_entry("driver/aironet",
5695 S_IFDIR | airo_perm,
5699 airo_entry->uid = proc_uid;
5700 airo_entry->gid = proc_gid;
5703 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5704 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5705 "io=0x%x", irq[i], io[i] );
5706 if (init_airo_card( irq[i], io[i], 0, NULL ))
5711 airo_print_info("", "Probing for PCI adapters");
5712 i = pci_register_driver(&airo_driver);
5713 airo_print_info("", "Finished probing for PCI adapters");
5716 remove_proc_entry("driver/aironet", NULL);
5721 /* Always exit with success, as we are a library module
5722 * as well as a driver module
5727 static void __exit airo_cleanup_module( void )
5729 struct airo_info *ai;
5730 while(!list_empty(&airo_devices)) {
5731 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5732 airo_print_info(ai->dev->name, "Unregistering...");
5733 stop_airo_card(ai->dev, 1);
5736 pci_unregister_driver(&airo_driver);
5738 remove_proc_entry("driver/aironet", NULL);
5742 * Initial Wireless Extension code for Aironet driver by :
5743 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5744 * Conversion to new driver API by :
5745 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5746 * Javier also did a good amount of work here, adding some new extensions
5747 * and fixing my code. Let's just say that without him this code just
5748 * would not work at all... - Jean II
5751 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5756 return (0x100 - rssi_rid[rssi].rssidBm);
5759 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5766 for (i = 0; i < 256; i++)
5767 if (rssi_rid[i].rssidBm == dbm)
5768 return rssi_rid[i].rssipct;
5774 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5779 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5782 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5785 sq = le16_to_cpu(status_rid->signalQuality);
5786 if (memcmp(cap_rid->prodName, "350", 3))
5790 quality = 0x20 - sq;
5797 quality = 0xb0 - sq;
5801 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5802 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5804 /*------------------------------------------------------------------*/
5806 * Wireless Handler : get protocol name
5808 static int airo_get_name(struct net_device *dev,
5809 struct iw_request_info *info,
5813 strcpy(cwrq, "IEEE 802.11-DS");
5817 /*------------------------------------------------------------------*/
5819 * Wireless Handler : set frequency
5821 static int airo_set_freq(struct net_device *dev,
5822 struct iw_request_info *info,
5823 struct iw_freq *fwrq,
5826 struct airo_info *local = dev->ml_priv;
5827 int rc = -EINPROGRESS; /* Call commit handler */
5829 /* If setting by frequency, convert to a channel */
5831 int f = fwrq->m / 100000;
5833 /* Hack to fall through... */
5835 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5837 /* Setting by channel number */
5838 if((fwrq->m > 1000) || (fwrq->e > 0))
5841 int channel = fwrq->m;
5842 /* We should do a better check than that,
5843 * based on the card capability !!! */
5844 if((channel < 1) || (channel > 14)) {
5845 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5849 readConfigRid(local, 1);
5850 /* Yes ! We can set it !!! */
5851 local->config.channelSet = cpu_to_le16(channel);
5852 set_bit (FLAG_COMMIT, &local->flags);
5858 /*------------------------------------------------------------------*/
5860 * Wireless Handler : get frequency
5862 static int airo_get_freq(struct net_device *dev,
5863 struct iw_request_info *info,
5864 struct iw_freq *fwrq,
5867 struct airo_info *local = dev->ml_priv;
5868 StatusRid status_rid; /* Card status info */
5871 readConfigRid(local, 1);
5872 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5873 status_rid.channel = local->config.channelSet;
5875 readStatusRid(local, &status_rid, 1);
5877 ch = le16_to_cpu(status_rid.channel);
5878 if((ch > 0) && (ch < 15)) {
5879 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5889 /*------------------------------------------------------------------*/
5891 * Wireless Handler : set ESSID
5893 static int airo_set_essid(struct net_device *dev,
5894 struct iw_request_info *info,
5895 struct iw_point *dwrq,
5898 struct airo_info *local = dev->ml_priv;
5899 SsidRid SSID_rid; /* SSIDs */
5901 /* Reload the list of current SSID */
5902 readSsidRid(local, &SSID_rid);
5904 /* Check if we asked for `any' */
5905 if(dwrq->flags == 0) {
5906 /* Just send an empty SSID list */
5907 memset(&SSID_rid, 0, sizeof(SSID_rid));
5909 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5911 /* Check the size of the string */
5912 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5915 /* Check if index is valid */
5916 if((index < 0) || (index >= 4)) {
5921 memset(SSID_rid.ssids[index].ssid, 0,
5922 sizeof(SSID_rid.ssids[index].ssid));
5923 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5924 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5926 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5927 /* Write it to the card */
5928 disable_MAC(local, 1);
5929 writeSsidRid(local, &SSID_rid, 1);
5930 enable_MAC(local, 1);
5935 /*------------------------------------------------------------------*/
5937 * Wireless Handler : get ESSID
5939 static int airo_get_essid(struct net_device *dev,
5940 struct iw_request_info *info,
5941 struct iw_point *dwrq,
5944 struct airo_info *local = dev->ml_priv;
5945 StatusRid status_rid; /* Card status info */
5947 readStatusRid(local, &status_rid, 1);
5949 /* Note : if dwrq->flags != 0, we should
5950 * get the relevant SSID from the SSID list... */
5952 /* Get the current SSID */
5953 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5954 /* If none, we may want to get the one that was set */
5957 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5958 dwrq->flags = 1; /* active */
5963 /*------------------------------------------------------------------*/
5965 * Wireless Handler : set AP address
5967 static int airo_set_wap(struct net_device *dev,
5968 struct iw_request_info *info,
5969 struct sockaddr *awrq,
5972 struct airo_info *local = dev->ml_priv;
5975 APListRid APList_rid;
5976 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5977 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5979 if (awrq->sa_family != ARPHRD_ETHER)
5981 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5982 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5983 memset(&cmd, 0, sizeof(cmd));
5984 cmd.cmd=CMD_LOSE_SYNC;
5985 if (down_interruptible(&local->sem))
5986 return -ERESTARTSYS;
5987 issuecommand(local, &cmd, &rsp);
5990 memset(&APList_rid, 0, sizeof(APList_rid));
5991 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5992 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5993 disable_MAC(local, 1);
5994 writeAPListRid(local, &APList_rid, 1);
5995 enable_MAC(local, 1);
6000 /*------------------------------------------------------------------*/
6002 * Wireless Handler : get AP address
6004 static int airo_get_wap(struct net_device *dev,
6005 struct iw_request_info *info,
6006 struct sockaddr *awrq,
6009 struct airo_info *local = dev->ml_priv;
6010 StatusRid status_rid; /* Card status info */
6012 readStatusRid(local, &status_rid, 1);
6014 /* Tentative. This seems to work, wow, I'm lucky !!! */
6015 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6016 awrq->sa_family = ARPHRD_ETHER;
6021 /*------------------------------------------------------------------*/
6023 * Wireless Handler : set Nickname
6025 static int airo_set_nick(struct net_device *dev,
6026 struct iw_request_info *info,
6027 struct iw_point *dwrq,
6030 struct airo_info *local = dev->ml_priv;
6032 /* Check the size of the string */
6033 if(dwrq->length > 16) {
6036 readConfigRid(local, 1);
6037 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6038 memcpy(local->config.nodeName, extra, dwrq->length);
6039 set_bit (FLAG_COMMIT, &local->flags);
6041 return -EINPROGRESS; /* Call commit handler */
6044 /*------------------------------------------------------------------*/
6046 * Wireless Handler : get Nickname
6048 static int airo_get_nick(struct net_device *dev,
6049 struct iw_request_info *info,
6050 struct iw_point *dwrq,
6053 struct airo_info *local = dev->ml_priv;
6055 readConfigRid(local, 1);
6056 strncpy(extra, local->config.nodeName, 16);
6058 dwrq->length = strlen(extra);
6063 /*------------------------------------------------------------------*/
6065 * Wireless Handler : set Bit-Rate
6067 static int airo_set_rate(struct net_device *dev,
6068 struct iw_request_info *info,
6069 struct iw_param *vwrq,
6072 struct airo_info *local = dev->ml_priv;
6073 CapabilityRid cap_rid; /* Card capability info */
6077 /* First : get a valid bit rate value */
6078 readCapabilityRid(local, &cap_rid, 1);
6080 /* Which type of value ? */
6081 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6082 /* Setting by rate index */
6083 /* Find value in the magic rate table */
6084 brate = cap_rid.supportedRates[vwrq->value];
6086 /* Setting by frequency value */
6087 u8 normvalue = (u8) (vwrq->value/500000);
6089 /* Check if rate is valid */
6090 for(i = 0 ; i < 8 ; i++) {
6091 if(normvalue == cap_rid.supportedRates[i]) {
6097 /* -1 designed the max rate (mostly auto mode) */
6098 if(vwrq->value == -1) {
6099 /* Get the highest available rate */
6100 for(i = 0 ; i < 8 ; i++) {
6101 if(cap_rid.supportedRates[i] == 0)
6105 brate = cap_rid.supportedRates[i - 1];
6107 /* Check that it is valid */
6112 readConfigRid(local, 1);
6113 /* Now, check if we want a fixed or auto value */
6114 if(vwrq->fixed == 0) {
6115 /* Fill all the rates up to this max rate */
6116 memset(local->config.rates, 0, 8);
6117 for(i = 0 ; i < 8 ; i++) {
6118 local->config.rates[i] = cap_rid.supportedRates[i];
6119 if(local->config.rates[i] == brate)
6124 /* One rate, fixed */
6125 memset(local->config.rates, 0, 8);
6126 local->config.rates[0] = brate;
6128 set_bit (FLAG_COMMIT, &local->flags);
6130 return -EINPROGRESS; /* Call commit handler */
6133 /*------------------------------------------------------------------*/
6135 * Wireless Handler : get Bit-Rate
6137 static int airo_get_rate(struct net_device *dev,
6138 struct iw_request_info *info,
6139 struct iw_param *vwrq,
6142 struct airo_info *local = dev->ml_priv;
6143 StatusRid status_rid; /* Card status info */
6145 readStatusRid(local, &status_rid, 1);
6147 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6148 /* If more than one rate, set auto */
6149 readConfigRid(local, 1);
6150 vwrq->fixed = (local->config.rates[1] == 0);
6155 /*------------------------------------------------------------------*/
6157 * Wireless Handler : set RTS threshold
6159 static int airo_set_rts(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6164 struct airo_info *local = dev->ml_priv;
6165 int rthr = vwrq->value;
6168 rthr = AIRO_DEF_MTU;
6169 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6172 readConfigRid(local, 1);
6173 local->config.rtsThres = cpu_to_le16(rthr);
6174 set_bit (FLAG_COMMIT, &local->flags);
6176 return -EINPROGRESS; /* Call commit handler */
6179 /*------------------------------------------------------------------*/
6181 * Wireless Handler : get RTS threshold
6183 static int airo_get_rts(struct net_device *dev,
6184 struct iw_request_info *info,
6185 struct iw_param *vwrq,
6188 struct airo_info *local = dev->ml_priv;
6190 readConfigRid(local, 1);
6191 vwrq->value = le16_to_cpu(local->config.rtsThres);
6192 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6198 /*------------------------------------------------------------------*/
6200 * Wireless Handler : set Fragmentation threshold
6202 static int airo_set_frag(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6207 struct airo_info *local = dev->ml_priv;
6208 int fthr = vwrq->value;
6211 fthr = AIRO_DEF_MTU;
6212 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6215 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6216 readConfigRid(local, 1);
6217 local->config.fragThresh = cpu_to_le16(fthr);
6218 set_bit (FLAG_COMMIT, &local->flags);
6220 return -EINPROGRESS; /* Call commit handler */
6223 /*------------------------------------------------------------------*/
6225 * Wireless Handler : get Fragmentation threshold
6227 static int airo_get_frag(struct net_device *dev,
6228 struct iw_request_info *info,
6229 struct iw_param *vwrq,
6232 struct airo_info *local = dev->ml_priv;
6234 readConfigRid(local, 1);
6235 vwrq->value = le16_to_cpu(local->config.fragThresh);
6236 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6242 /*------------------------------------------------------------------*/
6244 * Wireless Handler : set Mode of Operation
6246 static int airo_set_mode(struct net_device *dev,
6247 struct iw_request_info *info,
6251 struct airo_info *local = dev->ml_priv;
6254 readConfigRid(local, 1);
6255 if (sniffing_mode(local))
6260 local->config.opmode &= ~MODE_CFG_MASK;
6261 local->config.opmode |= MODE_STA_IBSS;
6262 local->config.rmode &= ~RXMODE_FULL_MASK;
6263 local->config.scanMode = SCANMODE_ACTIVE;
6264 clear_bit (FLAG_802_11, &local->flags);
6267 local->config.opmode &= ~MODE_CFG_MASK;
6268 local->config.opmode |= MODE_STA_ESS;
6269 local->config.rmode &= ~RXMODE_FULL_MASK;
6270 local->config.scanMode = SCANMODE_ACTIVE;
6271 clear_bit (FLAG_802_11, &local->flags);
6273 case IW_MODE_MASTER:
6274 local->config.opmode &= ~MODE_CFG_MASK;
6275 local->config.opmode |= MODE_AP;
6276 local->config.rmode &= ~RXMODE_FULL_MASK;
6277 local->config.scanMode = SCANMODE_ACTIVE;
6278 clear_bit (FLAG_802_11, &local->flags);
6280 case IW_MODE_REPEAT:
6281 local->config.opmode &= ~MODE_CFG_MASK;
6282 local->config.opmode |= MODE_AP_RPTR;
6283 local->config.rmode &= ~RXMODE_FULL_MASK;
6284 local->config.scanMode = SCANMODE_ACTIVE;
6285 clear_bit (FLAG_802_11, &local->flags);
6287 case IW_MODE_MONITOR:
6288 local->config.opmode &= ~MODE_CFG_MASK;
6289 local->config.opmode |= MODE_STA_ESS;
6290 local->config.rmode &= ~RXMODE_FULL_MASK;
6291 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6292 local->config.scanMode = SCANMODE_PASSIVE;
6293 set_bit (FLAG_802_11, &local->flags);
6299 set_bit (FLAG_RESET, &local->flags);
6300 set_bit (FLAG_COMMIT, &local->flags);
6302 return -EINPROGRESS; /* Call commit handler */
6305 /*------------------------------------------------------------------*/
6307 * Wireless Handler : get Mode of Operation
6309 static int airo_get_mode(struct net_device *dev,
6310 struct iw_request_info *info,
6314 struct airo_info *local = dev->ml_priv;
6316 readConfigRid(local, 1);
6317 /* If not managed, assume it's ad-hoc */
6318 switch (local->config.opmode & MODE_CFG_MASK) {
6320 *uwrq = IW_MODE_INFRA;
6323 *uwrq = IW_MODE_MASTER;
6326 *uwrq = IW_MODE_REPEAT;
6329 *uwrq = IW_MODE_ADHOC;
6335 static inline int valid_index(struct airo_info *ai, int index)
6337 return (index >= 0) && (index <= ai->max_wep_idx);
6340 /*------------------------------------------------------------------*/
6342 * Wireless Handler : set Encryption Key
6344 static int airo_set_encode(struct net_device *dev,
6345 struct iw_request_info *info,
6346 struct iw_point *dwrq,
6349 struct airo_info *local = dev->ml_priv;
6350 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6351 __le16 currentAuthType = local->config.authType;
6354 if (!local->wep_capable)
6357 readConfigRid(local, 1);
6359 /* Basic checking: do we have a key to set ?
6360 * Note : with the new API, it's impossible to get a NULL pointer.
6361 * Therefore, we need to check a key size == 0 instead.
6362 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6363 * when no key is present (only change flags), but older versions
6364 * don't do it. - Jean II */
6365 if (dwrq->length > 0) {
6367 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6370 /* Check the size of the key */
6371 if (dwrq->length > MAX_KEY_SIZE) {
6375 current_index = get_wep_tx_idx(local);
6376 if (current_index < 0)
6379 /* Check the index (none -> use current) */
6380 if (!valid_index(local, index))
6381 index = current_index;
6383 /* Set the length */
6384 if (dwrq->length > MIN_KEY_SIZE)
6385 key.len = MAX_KEY_SIZE;
6387 if (dwrq->length > 0)
6388 key.len = MIN_KEY_SIZE;
6390 /* Disable the key */
6392 /* Check if the key is not marked as invalid */
6393 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6395 memset(key.key, 0, MAX_KEY_SIZE);
6396 /* Copy the key in the driver */
6397 memcpy(key.key, extra, dwrq->length);
6398 /* Send the key to the card */
6399 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6401 airo_print_err(local->dev->name, "failed to set"
6402 " WEP key at index %d: %d.",
6407 /* WE specify that if a valid key is set, encryption
6408 * should be enabled (user may turn it off later)
6409 * This is also how "iwconfig ethX key on" works */
6410 if((index == current_index) && (key.len > 0) &&
6411 (local->config.authType == AUTH_OPEN)) {
6412 local->config.authType = AUTH_ENCRYPT;
6415 /* Do we want to just set the transmit key index ? */
6416 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6417 if (valid_index(local, index)) {
6418 rc = set_wep_tx_idx(local, index, perm, 1);
6420 airo_print_err(local->dev->name, "failed to set"
6421 " WEP transmit index to %d: %d.",
6426 /* Don't complain if only change the mode */
6427 if (!(dwrq->flags & IW_ENCODE_MODE))
6431 /* Read the flags */
6432 if(dwrq->flags & IW_ENCODE_DISABLED)
6433 local->config.authType = AUTH_OPEN; // disable encryption
6434 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6435 local->config.authType = AUTH_SHAREDKEY; // Only Both
6436 if(dwrq->flags & IW_ENCODE_OPEN)
6437 local->config.authType = AUTH_ENCRYPT; // Only Wep
6438 /* Commit the changes to flags if needed */
6439 if (local->config.authType != currentAuthType)
6440 set_bit (FLAG_COMMIT, &local->flags);
6441 return -EINPROGRESS; /* Call commit handler */
6444 /*------------------------------------------------------------------*/
6446 * Wireless Handler : get Encryption Key
6448 static int airo_get_encode(struct net_device *dev,
6449 struct iw_request_info *info,
6450 struct iw_point *dwrq,
6453 struct airo_info *local = dev->ml_priv;
6454 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6457 if (!local->wep_capable)
6460 readConfigRid(local, 1);
6462 /* Check encryption mode */
6463 switch(local->config.authType) {
6465 dwrq->flags = IW_ENCODE_OPEN;
6467 case AUTH_SHAREDKEY:
6468 dwrq->flags = IW_ENCODE_RESTRICTED;
6472 dwrq->flags = IW_ENCODE_DISABLED;
6475 /* We can't return the key, so set the proper flag and return zero */
6476 dwrq->flags |= IW_ENCODE_NOKEY;
6477 memset(extra, 0, 16);
6479 /* Which key do we want ? -1 -> tx index */
6480 if (!valid_index(local, index)) {
6481 index = get_wep_tx_idx(local);
6485 dwrq->flags |= index + 1;
6487 /* Copy the key to the user buffer */
6488 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6489 memcpy(extra, buf, dwrq->length);
6494 /*------------------------------------------------------------------*/
6496 * Wireless Handler : set extended Encryption parameters
6498 static int airo_set_encodeext(struct net_device *dev,
6499 struct iw_request_info *info,
6500 union iwreq_data *wrqu,
6503 struct airo_info *local = dev->ml_priv;
6504 struct iw_point *encoding = &wrqu->encoding;
6505 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6506 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6507 __le16 currentAuthType = local->config.authType;
6508 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6511 if (!local->wep_capable)
6514 readConfigRid(local, 1);
6516 /* Determine and validate the key index */
6517 idx = encoding->flags & IW_ENCODE_INDEX;
6519 if (!valid_index(local, idx - 1))
6523 idx = get_wep_tx_idx(local);
6528 if (encoding->flags & IW_ENCODE_DISABLED)
6529 alg = IW_ENCODE_ALG_NONE;
6531 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6532 /* Only set transmit key index here, actual
6533 * key is set below if needed.
6535 rc = set_wep_tx_idx(local, idx, perm, 1);
6537 airo_print_err(local->dev->name, "failed to set "
6538 "WEP transmit index to %d: %d.",
6542 set_key = ext->key_len > 0 ? 1 : 0;
6546 /* Set the requested key first */
6547 memset(key.key, 0, MAX_KEY_SIZE);
6549 case IW_ENCODE_ALG_NONE:
6552 case IW_ENCODE_ALG_WEP:
6553 if (ext->key_len > MIN_KEY_SIZE) {
6554 key.len = MAX_KEY_SIZE;
6555 } else if (ext->key_len > 0) {
6556 key.len = MIN_KEY_SIZE;
6560 key_len = min (ext->key_len, key.len);
6561 memcpy(key.key, ext->key, key_len);
6566 /* Send the key to the card */
6567 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6569 airo_print_err(local->dev->name, "failed to set WEP key"
6570 " at index %d: %d.", idx, rc);
6575 /* Read the flags */
6576 if(encoding->flags & IW_ENCODE_DISABLED)
6577 local->config.authType = AUTH_OPEN; // disable encryption
6578 if(encoding->flags & IW_ENCODE_RESTRICTED)
6579 local->config.authType = AUTH_SHAREDKEY; // Only Both
6580 if(encoding->flags & IW_ENCODE_OPEN)
6581 local->config.authType = AUTH_ENCRYPT; // Only Wep
6582 /* Commit the changes to flags if needed */
6583 if (local->config.authType != currentAuthType)
6584 set_bit (FLAG_COMMIT, &local->flags);
6586 return -EINPROGRESS;
6590 /*------------------------------------------------------------------*/
6592 * Wireless Handler : get extended Encryption parameters
6594 static int airo_get_encodeext(struct net_device *dev,
6595 struct iw_request_info *info,
6596 union iwreq_data *wrqu,
6599 struct airo_info *local = dev->ml_priv;
6600 struct iw_point *encoding = &wrqu->encoding;
6601 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6602 int idx, max_key_len;
6605 if (!local->wep_capable)
6608 readConfigRid(local, 1);
6610 max_key_len = encoding->length - sizeof(*ext);
6611 if (max_key_len < 0)
6614 idx = encoding->flags & IW_ENCODE_INDEX;
6616 if (!valid_index(local, idx - 1))
6620 idx = get_wep_tx_idx(local);
6625 encoding->flags = idx + 1;
6626 memset(ext, 0, sizeof(*ext));
6628 /* Check encryption mode */
6629 switch(local->config.authType) {
6631 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6633 case AUTH_SHAREDKEY:
6634 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6638 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6641 /* We can't return the key, so set the proper flag and return zero */
6642 encoding->flags |= IW_ENCODE_NOKEY;
6643 memset(extra, 0, 16);
6645 /* Copy the key to the user buffer */
6646 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6647 memcpy(extra, buf, ext->key_len);
6653 /*------------------------------------------------------------------*/
6655 * Wireless Handler : set extended authentication parameters
6657 static int airo_set_auth(struct net_device *dev,
6658 struct iw_request_info *info,
6659 union iwreq_data *wrqu, char *extra)
6661 struct airo_info *local = dev->ml_priv;
6662 struct iw_param *param = &wrqu->param;
6663 __le16 currentAuthType = local->config.authType;
6665 switch (param->flags & IW_AUTH_INDEX) {
6666 case IW_AUTH_WPA_VERSION:
6667 case IW_AUTH_CIPHER_PAIRWISE:
6668 case IW_AUTH_CIPHER_GROUP:
6669 case IW_AUTH_KEY_MGMT:
6670 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6671 case IW_AUTH_PRIVACY_INVOKED:
6673 * airo does not use these parameters
6677 case IW_AUTH_DROP_UNENCRYPTED:
6679 /* Only change auth type if unencrypted */
6680 if (currentAuthType == AUTH_OPEN)
6681 local->config.authType = AUTH_ENCRYPT;
6683 local->config.authType = AUTH_OPEN;
6686 /* Commit the changes to flags if needed */
6687 if (local->config.authType != currentAuthType)
6688 set_bit (FLAG_COMMIT, &local->flags);
6691 case IW_AUTH_80211_AUTH_ALG: {
6692 /* FIXME: What about AUTH_OPEN? This API seems to
6693 * disallow setting our auth to AUTH_OPEN.
6695 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6696 local->config.authType = AUTH_SHAREDKEY;
6697 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6698 local->config.authType = AUTH_ENCRYPT;
6703 /* Commit the changes to flags if needed */
6704 if (local->config.authType != currentAuthType)
6705 set_bit (FLAG_COMMIT, &local->flags);
6708 case IW_AUTH_WPA_ENABLED:
6709 /* Silently accept disable of WPA */
6710 if (param->value > 0)
6717 return -EINPROGRESS;
6721 /*------------------------------------------------------------------*/
6723 * Wireless Handler : get extended authentication parameters
6725 static int airo_get_auth(struct net_device *dev,
6726 struct iw_request_info *info,
6727 union iwreq_data *wrqu, char *extra)
6729 struct airo_info *local = dev->ml_priv;
6730 struct iw_param *param = &wrqu->param;
6731 __le16 currentAuthType = local->config.authType;
6733 switch (param->flags & IW_AUTH_INDEX) {
6734 case IW_AUTH_DROP_UNENCRYPTED:
6735 switch (currentAuthType) {
6736 case AUTH_SHAREDKEY:
6746 case IW_AUTH_80211_AUTH_ALG:
6747 switch (currentAuthType) {
6748 case AUTH_SHAREDKEY:
6749 param->value = IW_AUTH_ALG_SHARED_KEY;
6753 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6758 case IW_AUTH_WPA_ENABLED:
6769 /*------------------------------------------------------------------*/
6771 * Wireless Handler : set Tx-Power
6773 static int airo_set_txpow(struct net_device *dev,
6774 struct iw_request_info *info,
6775 struct iw_param *vwrq,
6778 struct airo_info *local = dev->ml_priv;
6779 CapabilityRid cap_rid; /* Card capability info */
6782 __le16 v = cpu_to_le16(vwrq->value);
6784 readCapabilityRid(local, &cap_rid, 1);
6786 if (vwrq->disabled) {
6787 set_bit (FLAG_RADIO_OFF, &local->flags);
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 return -EINPROGRESS; /* Call commit handler */
6791 if (vwrq->flags != IW_TXPOW_MWATT) {
6794 clear_bit (FLAG_RADIO_OFF, &local->flags);
6795 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6796 if (v == cap_rid.txPowerLevels[i]) {
6797 readConfigRid(local, 1);
6798 local->config.txPower = v;
6799 set_bit (FLAG_COMMIT, &local->flags);
6800 rc = -EINPROGRESS; /* Call commit handler */
6806 /*------------------------------------------------------------------*/
6808 * Wireless Handler : get Tx-Power
6810 static int airo_get_txpow(struct net_device *dev,
6811 struct iw_request_info *info,
6812 struct iw_param *vwrq,
6815 struct airo_info *local = dev->ml_priv;
6817 readConfigRid(local, 1);
6818 vwrq->value = le16_to_cpu(local->config.txPower);
6819 vwrq->fixed = 1; /* No power control */
6820 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6821 vwrq->flags = IW_TXPOW_MWATT;
6826 /*------------------------------------------------------------------*/
6828 * Wireless Handler : set Retry limits
6830 static int airo_set_retry(struct net_device *dev,
6831 struct iw_request_info *info,
6832 struct iw_param *vwrq,
6835 struct airo_info *local = dev->ml_priv;
6838 if(vwrq->disabled) {
6841 readConfigRid(local, 1);
6842 if(vwrq->flags & IW_RETRY_LIMIT) {
6843 __le16 v = cpu_to_le16(vwrq->value);
6844 if(vwrq->flags & IW_RETRY_LONG)
6845 local->config.longRetryLimit = v;
6846 else if (vwrq->flags & IW_RETRY_SHORT)
6847 local->config.shortRetryLimit = v;
6849 /* No modifier : set both */
6850 local->config.longRetryLimit = v;
6851 local->config.shortRetryLimit = v;
6853 set_bit (FLAG_COMMIT, &local->flags);
6854 rc = -EINPROGRESS; /* Call commit handler */
6856 if(vwrq->flags & IW_RETRY_LIFETIME) {
6857 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6858 set_bit (FLAG_COMMIT, &local->flags);
6859 rc = -EINPROGRESS; /* Call commit handler */
6864 /*------------------------------------------------------------------*/
6866 * Wireless Handler : get Retry limits
6868 static int airo_get_retry(struct net_device *dev,
6869 struct iw_request_info *info,
6870 struct iw_param *vwrq,
6873 struct airo_info *local = dev->ml_priv;
6875 vwrq->disabled = 0; /* Can't be disabled */
6877 readConfigRid(local, 1);
6878 /* Note : by default, display the min retry number */
6879 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6880 vwrq->flags = IW_RETRY_LIFETIME;
6881 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6882 } else if((vwrq->flags & IW_RETRY_LONG)) {
6883 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6884 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6886 vwrq->flags = IW_RETRY_LIMIT;
6887 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6888 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6889 vwrq->flags |= IW_RETRY_SHORT;
6895 /*------------------------------------------------------------------*/
6897 * Wireless Handler : get range info
6899 static int airo_get_range(struct net_device *dev,
6900 struct iw_request_info *info,
6901 struct iw_point *dwrq,
6904 struct airo_info *local = dev->ml_priv;
6905 struct iw_range *range = (struct iw_range *) extra;
6906 CapabilityRid cap_rid; /* Card capability info */
6910 readCapabilityRid(local, &cap_rid, 1);
6912 dwrq->length = sizeof(struct iw_range);
6913 memset(range, 0, sizeof(*range));
6914 range->min_nwid = 0x0000;
6915 range->max_nwid = 0x0000;
6916 range->num_channels = 14;
6917 /* Should be based on cap_rid.country to give only
6918 * what the current card support */
6920 for(i = 0; i < 14; i++) {
6921 range->freq[k].i = i + 1; /* List index */
6922 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6923 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6925 range->num_frequency = k;
6927 range->sensitivity = 65535;
6929 /* Hum... Should put the right values there */
6931 range->max_qual.qual = 100; /* % */
6933 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6934 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6935 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6937 /* Experimental measurements - boundary 11/5.5 Mb/s */
6938 /* Note : with or without the (local->rssi), results
6939 * are somewhat different. - Jean II */
6941 range->avg_qual.qual = 50; /* % */
6942 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6944 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6945 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6947 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6949 for(i = 0 ; i < 8 ; i++) {
6950 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6951 if(range->bitrate[i] == 0)
6954 range->num_bitrates = i;
6956 /* Set an indication of the max TCP throughput
6957 * in bit/s that we can expect using this interface.
6958 * May be use for QoS stuff... Jean II */
6960 range->throughput = 5000 * 1000;
6962 range->throughput = 1500 * 1000;
6965 range->max_rts = AIRO_DEF_MTU;
6966 range->min_frag = 256;
6967 range->max_frag = AIRO_DEF_MTU;
6969 if(cap_rid.softCap & cpu_to_le16(2)) {
6971 range->encoding_size[0] = 5;
6973 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6974 range->encoding_size[1] = 13;
6975 range->num_encoding_sizes = 2;
6977 range->num_encoding_sizes = 1;
6978 range->max_encoding_tokens =
6979 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6981 range->num_encoding_sizes = 0;
6982 range->max_encoding_tokens = 0;
6985 range->max_pmp = 5000000; /* 5 secs */
6987 range->max_pmt = 65535 * 1024; /* ??? */
6988 range->pmp_flags = IW_POWER_PERIOD;
6989 range->pmt_flags = IW_POWER_TIMEOUT;
6990 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6992 /* Transmit Power - values are in mW */
6993 for(i = 0 ; i < 8 ; i++) {
6994 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6995 if(range->txpower[i] == 0)
6998 range->num_txpower = i;
6999 range->txpower_capa = IW_TXPOW_MWATT;
7000 range->we_version_source = 19;
7001 range->we_version_compiled = WIRELESS_EXT;
7002 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7003 range->retry_flags = IW_RETRY_LIMIT;
7004 range->r_time_flags = IW_RETRY_LIFETIME;
7005 range->min_retry = 1;
7006 range->max_retry = 65535;
7007 range->min_r_time = 1024;
7008 range->max_r_time = 65535 * 1024;
7010 /* Event capability (kernel + driver) */
7011 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7012 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7013 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7014 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7015 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7016 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7020 /*------------------------------------------------------------------*/
7022 * Wireless Handler : set Power Management
7024 static int airo_set_power(struct net_device *dev,
7025 struct iw_request_info *info,
7026 struct iw_param *vwrq,
7029 struct airo_info *local = dev->ml_priv;
7031 readConfigRid(local, 1);
7032 if (vwrq->disabled) {
7033 if (sniffing_mode(local))
7035 local->config.powerSaveMode = POWERSAVE_CAM;
7036 local->config.rmode &= ~RXMODE_MASK;
7037 local->config.rmode |= RXMODE_BC_MC_ADDR;
7038 set_bit (FLAG_COMMIT, &local->flags);
7039 return -EINPROGRESS; /* Call commit handler */
7041 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7042 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7043 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7046 local->config.fastListenInterval =
7047 local->config.listenInterval =
7048 cpu_to_le16((vwrq->value + 500) / 1024);
7049 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7050 set_bit (FLAG_COMMIT, &local->flags);
7052 switch (vwrq->flags & IW_POWER_MODE) {
7053 case IW_POWER_UNICAST_R:
7054 if (sniffing_mode(local))
7056 local->config.rmode &= ~RXMODE_MASK;
7057 local->config.rmode |= RXMODE_ADDR;
7058 set_bit (FLAG_COMMIT, &local->flags);
7060 case IW_POWER_ALL_R:
7061 if (sniffing_mode(local))
7063 local->config.rmode &= ~RXMODE_MASK;
7064 local->config.rmode |= RXMODE_BC_MC_ADDR;
7065 set_bit (FLAG_COMMIT, &local->flags);
7067 /* This is broken, fixme ;-) */
7072 // Note : we may want to factor local->need_commit here
7073 // Note2 : may also want to factor RXMODE_RFMON test
7074 return -EINPROGRESS; /* Call commit handler */
7077 /*------------------------------------------------------------------*/
7079 * Wireless Handler : get Power Management
7081 static int airo_get_power(struct net_device *dev,
7082 struct iw_request_info *info,
7083 struct iw_param *vwrq,
7086 struct airo_info *local = dev->ml_priv;
7089 readConfigRid(local, 1);
7090 mode = local->config.powerSaveMode;
7091 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7093 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7094 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7095 vwrq->flags = IW_POWER_TIMEOUT;
7097 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7098 vwrq->flags = IW_POWER_PERIOD;
7100 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7101 vwrq->flags |= IW_POWER_UNICAST_R;
7103 vwrq->flags |= IW_POWER_ALL_R;
7108 /*------------------------------------------------------------------*/
7110 * Wireless Handler : set Sensitivity
7112 static int airo_set_sens(struct net_device *dev,
7113 struct iw_request_info *info,
7114 struct iw_param *vwrq,
7117 struct airo_info *local = dev->ml_priv;
7119 readConfigRid(local, 1);
7120 local->config.rssiThreshold =
7121 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7122 set_bit (FLAG_COMMIT, &local->flags);
7124 return -EINPROGRESS; /* Call commit handler */
7127 /*------------------------------------------------------------------*/
7129 * Wireless Handler : get Sensitivity
7131 static int airo_get_sens(struct net_device *dev,
7132 struct iw_request_info *info,
7133 struct iw_param *vwrq,
7136 struct airo_info *local = dev->ml_priv;
7138 readConfigRid(local, 1);
7139 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7140 vwrq->disabled = (vwrq->value == 0);
7146 /*------------------------------------------------------------------*/
7148 * Wireless Handler : get AP List
7149 * Note : this is deprecated in favor of IWSCAN
7151 static int airo_get_aplist(struct net_device *dev,
7152 struct iw_request_info *info,
7153 struct iw_point *dwrq,
7156 struct airo_info *local = dev->ml_priv;
7157 struct sockaddr *address = (struct sockaddr *) extra;
7158 struct iw_quality qual[IW_MAX_AP];
7161 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7163 for (i = 0; i < IW_MAX_AP; i++) {
7165 if (readBSSListRid(local, loseSync, &BSSList))
7168 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7169 address[i].sa_family = ARPHRD_ETHER;
7170 dBm = le16_to_cpu(BSSList.dBm);
7172 qual[i].level = 0x100 - dBm;
7173 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7174 qual[i].updated = IW_QUAL_QUAL_UPDATED
7175 | IW_QUAL_LEVEL_UPDATED
7178 qual[i].level = (dBm + 321) / 2;
7180 qual[i].updated = IW_QUAL_QUAL_INVALID
7181 | IW_QUAL_LEVEL_UPDATED
7184 qual[i].noise = local->wstats.qual.noise;
7185 if (BSSList.index == cpu_to_le16(0xffff))
7189 StatusRid status_rid; /* Card status info */
7190 readStatusRid(local, &status_rid, 1);
7192 i < min(IW_MAX_AP, 4) &&
7193 (status_rid.bssid[i][0]
7194 & status_rid.bssid[i][1]
7195 & status_rid.bssid[i][2]
7196 & status_rid.bssid[i][3]
7197 & status_rid.bssid[i][4]
7198 & status_rid.bssid[i][5])!=0xff &&
7199 (status_rid.bssid[i][0]
7200 | status_rid.bssid[i][1]
7201 | status_rid.bssid[i][2]
7202 | status_rid.bssid[i][3]
7203 | status_rid.bssid[i][4]
7204 | status_rid.bssid[i][5]);
7206 memcpy(address[i].sa_data,
7207 status_rid.bssid[i], ETH_ALEN);
7208 address[i].sa_family = ARPHRD_ETHER;
7211 dwrq->flags = 1; /* Should be define'd */
7212 memcpy(extra + sizeof(struct sockaddr)*i,
7213 &qual, sizeof(struct iw_quality)*i);
7220 /*------------------------------------------------------------------*/
7222 * Wireless Handler : Initiate Scan
7224 static int airo_set_scan(struct net_device *dev,
7225 struct iw_request_info *info,
7226 struct iw_point *dwrq,
7229 struct airo_info *ai = dev->ml_priv;
7234 /* Note : you may have realised that, as this is a SET operation,
7235 * this is privileged and therefore a normal user can't
7237 * This is not an error, while the device perform scanning,
7238 * traffic doesn't flow, so it's a perfect DoS...
7240 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7242 if (down_interruptible(&ai->sem))
7243 return -ERESTARTSYS;
7245 /* If there's already a scan in progress, don't
7246 * trigger another one. */
7247 if (ai->scan_timeout > 0)
7250 /* Initiate a scan command */
7251 ai->scan_timeout = RUN_AT(3*HZ);
7252 memset(&cmd, 0, sizeof(cmd));
7253 cmd.cmd=CMD_LISTBSS;
7254 issuecommand(ai, &cmd, &rsp);
7260 wake_up_interruptible(&ai->thr_wait);
7264 /*------------------------------------------------------------------*/
7266 * Translate scan data returned from the card to a card independent
7267 * format that the Wireless Tools will understand - Jean II
7269 static inline char *airo_translate_scan(struct net_device *dev,
7270 struct iw_request_info *info,
7275 struct airo_info *ai = dev->ml_priv;
7276 struct iw_event iwe; /* Temporary buffer */
7277 __le16 capabilities;
7278 char * current_val; /* For rates */
7283 /* First entry *MUST* be the AP MAC address */
7284 iwe.cmd = SIOCGIWAP;
7285 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7286 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7287 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7288 &iwe, IW_EV_ADDR_LEN);
7290 /* Other entries will be displayed in the order we give them */
7293 iwe.u.data.length = bss->ssidLen;
7294 if(iwe.u.data.length > 32)
7295 iwe.u.data.length = 32;
7296 iwe.cmd = SIOCGIWESSID;
7297 iwe.u.data.flags = 1;
7298 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7302 iwe.cmd = SIOCGIWMODE;
7303 capabilities = bss->cap;
7304 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7305 if(capabilities & CAP_ESS)
7306 iwe.u.mode = IW_MODE_MASTER;
7308 iwe.u.mode = IW_MODE_ADHOC;
7309 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7310 &iwe, IW_EV_UINT_LEN);
7314 iwe.cmd = SIOCGIWFREQ;
7315 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7316 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7318 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7319 &iwe, IW_EV_FREQ_LEN);
7321 dBm = le16_to_cpu(bss->dBm);
7323 /* Add quality statistics */
7326 iwe.u.qual.level = 0x100 - dBm;
7327 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7328 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7329 | IW_QUAL_LEVEL_UPDATED
7332 iwe.u.qual.level = (dBm + 321) / 2;
7333 iwe.u.qual.qual = 0;
7334 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7335 | IW_QUAL_LEVEL_UPDATED
7338 iwe.u.qual.noise = ai->wstats.qual.noise;
7339 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7340 &iwe, IW_EV_QUAL_LEN);
7342 /* Add encryption capability */
7343 iwe.cmd = SIOCGIWENCODE;
7344 if(capabilities & CAP_PRIVACY)
7345 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7347 iwe.u.data.flags = IW_ENCODE_DISABLED;
7348 iwe.u.data.length = 0;
7349 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7352 /* Rate : stuffing multiple values in a single event require a bit
7353 * more of magic - Jean II */
7354 current_val = current_ev + iwe_stream_lcp_len(info);
7356 iwe.cmd = SIOCGIWRATE;
7357 /* Those two flags are ignored... */
7358 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7360 for(i = 0 ; i < 8 ; i++) {
7361 /* NULL terminated */
7362 if(bss->rates[i] == 0)
7364 /* Bit rate given in 500 kb/s units (+ 0x80) */
7365 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7366 /* Add new value to event */
7367 current_val = iwe_stream_add_value(info, current_ev,
7368 current_val, end_buf,
7369 &iwe, IW_EV_PARAM_LEN);
7371 /* Check if we added any event */
7372 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7373 current_ev = current_val;
7375 /* Beacon interval */
7376 buf = kmalloc(30, GFP_KERNEL);
7378 iwe.cmd = IWEVCUSTOM;
7379 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7380 iwe.u.data.length = strlen(buf);
7381 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7386 /* Put WPA/RSN Information Elements into the event stream */
7387 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7388 unsigned int num_null_ies = 0;
7389 u16 length = sizeof (bss->extra.iep);
7390 u8 *ie = (void *)&bss->extra.iep;
7392 while ((length >= 2) && (num_null_ies < 2)) {
7393 if (2 + ie[1] > length) {
7394 /* Invalid element, don't continue parsing IE */
7400 /* Two zero-length SSID elements
7401 * mean we're done parsing elements */
7406 case WLAN_EID_GENERIC:
7412 iwe.cmd = IWEVGENIE;
7413 /* 64 is an arbitrary cut-off */
7414 iwe.u.data.length = min(ie[1] + 2,
7416 current_ev = iwe_stream_add_point(
7423 iwe.cmd = IWEVGENIE;
7424 /* 64 is an arbitrary cut-off */
7425 iwe.u.data.length = min(ie[1] + 2, 64);
7426 current_ev = iwe_stream_add_point(
7427 info, current_ev, end_buf,
7435 length -= 2 + ie[1];
7442 /*------------------------------------------------------------------*/
7444 * Wireless Handler : Read Scan Results
7446 static int airo_get_scan(struct net_device *dev,
7447 struct iw_request_info *info,
7448 struct iw_point *dwrq,
7451 struct airo_info *ai = dev->ml_priv;
7452 BSSListElement *net;
7454 char *current_ev = extra;
7456 /* If a scan is in-progress, return -EAGAIN */
7457 if (ai->scan_timeout > 0)
7460 if (down_interruptible(&ai->sem))
7463 list_for_each_entry (net, &ai->network_list, list) {
7464 /* Translate to WE format this entry */
7465 current_ev = airo_translate_scan(dev, info, current_ev,
7466 extra + dwrq->length,
7469 /* Check if there is space for one more entry */
7470 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7471 /* Ask user space to try again with a bigger buffer */
7477 /* Length of data */
7478 dwrq->length = (current_ev - extra);
7479 dwrq->flags = 0; /* todo */
7486 /*------------------------------------------------------------------*/
7488 * Commit handler : called after a bunch of SET operations
7490 static int airo_config_commit(struct net_device *dev,
7491 struct iw_request_info *info, /* NULL */
7492 void *zwrq, /* NULL */
7493 char *extra) /* NULL */
7495 struct airo_info *local = dev->ml_priv;
7497 if (!test_bit (FLAG_COMMIT, &local->flags))
7500 /* Some of the "SET" function may have modified some of the
7501 * parameters. It's now time to commit them in the card */
7502 disable_MAC(local, 1);
7503 if (test_bit (FLAG_RESET, &local->flags)) {
7504 APListRid APList_rid;
7507 readAPListRid(local, &APList_rid);
7508 readSsidRid(local, &SSID_rid);
7509 if (test_bit(FLAG_MPI,&local->flags))
7510 setup_card(local, dev->dev_addr, 1 );
7512 reset_airo_card(dev);
7513 disable_MAC(local, 1);
7514 writeSsidRid(local, &SSID_rid, 1);
7515 writeAPListRid(local, &APList_rid, 1);
7517 if (down_interruptible(&local->sem))
7518 return -ERESTARTSYS;
7519 writeConfigRid(local, 0);
7520 enable_MAC(local, 0);
7521 if (test_bit (FLAG_RESET, &local->flags))
7522 airo_set_promisc(local);
7529 /*------------------------------------------------------------------*/
7531 * Structures to export the Wireless Handlers
7534 static const struct iw_priv_args airo_private_args[] = {
7535 /*{ cmd, set_args, get_args, name } */
7536 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7537 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7538 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7539 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7542 static const iw_handler airo_handler[] =
7544 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7545 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7546 (iw_handler) NULL, /* SIOCSIWNWID */
7547 (iw_handler) NULL, /* SIOCGIWNWID */
7548 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7549 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7550 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7551 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7552 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7553 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7554 (iw_handler) NULL, /* SIOCSIWRANGE */
7555 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7556 (iw_handler) NULL, /* SIOCSIWPRIV */
7557 (iw_handler) NULL, /* SIOCGIWPRIV */
7558 (iw_handler) NULL, /* SIOCSIWSTATS */
7559 (iw_handler) NULL, /* SIOCGIWSTATS */
7560 iw_handler_set_spy, /* SIOCSIWSPY */
7561 iw_handler_get_spy, /* SIOCGIWSPY */
7562 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7563 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7564 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7565 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7568 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7569 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7570 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7571 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7572 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7573 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7574 (iw_handler) NULL, /* -- hole -- */
7575 (iw_handler) NULL, /* -- hole -- */
7576 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7577 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7578 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7579 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7580 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7581 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7582 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7583 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7584 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7585 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7586 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7587 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7588 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7589 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7590 (iw_handler) NULL, /* -- hole -- */
7591 (iw_handler) NULL, /* -- hole -- */
7592 (iw_handler) NULL, /* SIOCSIWGENIE */
7593 (iw_handler) NULL, /* SIOCGIWGENIE */
7594 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7595 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7596 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7597 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7598 (iw_handler) NULL, /* SIOCSIWPMKSA */
7601 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7602 * We want to force the use of the ioctl code, because those can't be
7603 * won't work the iw_handler code (because they simultaneously read
7604 * and write data and iw_handler can't do that).
7605 * Note that it's perfectly legal to read/write on a single ioctl command,
7606 * you just can't use iwpriv and need to force it via the ioctl handler.
7608 static const iw_handler airo_private_handler[] =
7610 NULL, /* SIOCIWFIRSTPRIV */
7613 static const struct iw_handler_def airo_handler_def =
7615 .num_standard = ARRAY_SIZE(airo_handler),
7616 .num_private = ARRAY_SIZE(airo_private_handler),
7617 .num_private_args = ARRAY_SIZE(airo_private_args),
7618 .standard = airo_handler,
7619 .private = airo_private_handler,
7620 .private_args = airo_private_args,
7621 .get_wireless_stats = airo_get_wireless_stats,
7625 * This defines the configuration part of the Wireless Extensions
7626 * Note : irq and spinlock protection will occur in the subroutines
7629 * o Check input value more carefully and fill correct values in range
7630 * o Test and shakeout the bugs (if any)
7634 * Javier Achirica did a great job of merging code from the unnamed CISCO
7635 * developer that added support for flashing the card.
7637 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7640 struct airo_info *ai = dev->ml_priv;
7642 if (ai->power.event)
7652 int val = AIROMAGIC;
7654 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7656 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7665 /* Get the command struct and hand it off for evaluation by
7666 * the proper subfunction
7670 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7675 /* Separate R/W functions bracket legality here
7677 if ( com.command == AIRORSWVERSION ) {
7678 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7683 else if ( com.command <= AIRORRID)
7684 rc = readrids(dev,&com);
7685 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7686 rc = writerids(dev,&com);
7687 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7688 rc = flashcard(dev,&com);
7690 rc = -EINVAL; /* Bad command in ioctl */
7693 #endif /* CISCO_EXT */
7695 // All other calls are currently unsupported
7703 * Get the Wireless stats out of the driver
7704 * Note : irq and spinlock protection will occur in the subroutines
7707 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7711 static void airo_read_wireless_stats(struct airo_info *local)
7713 StatusRid status_rid;
7715 CapabilityRid cap_rid;
7716 __le32 *vals = stats_rid.vals;
7718 /* Get stats out of the card */
7719 clear_bit(JOB_WSTATS, &local->jobs);
7720 if (local->power.event) {
7724 readCapabilityRid(local, &cap_rid, 0);
7725 readStatusRid(local, &status_rid, 0);
7726 readStatsRid(local, &stats_rid, RID_STATS, 0);
7730 local->wstats.status = le16_to_cpu(status_rid.mode);
7732 /* Signal quality and co */
7734 local->wstats.qual.level =
7735 airo_rssi_to_dbm(local->rssi,
7736 le16_to_cpu(status_rid.sigQuality));
7737 /* normalizedSignalStrength appears to be a percentage */
7738 local->wstats.qual.qual =
7739 le16_to_cpu(status_rid.normalizedSignalStrength);
7741 local->wstats.qual.level =
7742 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7743 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7745 if (le16_to_cpu(status_rid.len) >= 124) {
7746 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7747 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7749 local->wstats.qual.noise = 0;
7750 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7753 /* Packets discarded in the wireless adapter due to wireless
7754 * specific problems */
7755 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7756 le32_to_cpu(vals[57]) +
7757 le32_to_cpu(vals[58]); /* SSID Mismatch */
7758 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7759 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7760 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7761 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7762 le32_to_cpu(vals[32]);
7763 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7766 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7768 struct airo_info *local = dev->ml_priv;
7770 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7771 /* Get stats out of the card if available */
7772 if (down_trylock(&local->sem) != 0) {
7773 set_bit(JOB_WSTATS, &local->jobs);
7774 wake_up_interruptible(&local->thr_wait);
7776 airo_read_wireless_stats(local);
7779 return &local->wstats;
7784 * This just translates from driver IOCTL codes to the command codes to
7785 * feed to the radio's host interface. Things can be added/deleted
7786 * as needed. This represents the READ side of control I/O to
7789 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7790 unsigned short ridcode;
7791 unsigned char *iobuf;
7793 struct airo_info *ai = dev->ml_priv;
7795 if (test_bit(FLAG_FLASHING, &ai->flags))
7798 switch(comp->command)
7800 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7801 case AIROGCFG: ridcode = RID_CONFIG;
7802 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7803 disable_MAC (ai, 1);
7804 writeConfigRid (ai, 1);
7808 case AIROGSLIST: ridcode = RID_SSID; break;
7809 case AIROGVLIST: ridcode = RID_APLIST; break;
7810 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7811 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7812 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7813 /* Only super-user can read WEP keys */
7814 if (!capable(CAP_NET_ADMIN))
7817 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7818 /* Only super-user can read WEP keys */
7819 if (!capable(CAP_NET_ADMIN))
7822 case AIROGSTAT: ridcode = RID_STATUS; break;
7823 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7824 case AIROGSTATSC32: ridcode = RID_STATS; break;
7826 if (copy_to_user(comp->data, &ai->micstats,
7827 min((int)comp->len,(int)sizeof(ai->micstats))))
7830 case AIRORRID: ridcode = comp->ridnum; break;
7836 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7839 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7840 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7841 * then return it to the user
7842 * 9/22/2000 Honor user given length
7846 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7855 * Danger Will Robinson write the rids here
7858 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7859 struct airo_info *ai = dev->ml_priv;
7862 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7863 unsigned char *iobuf;
7865 /* Only super-user can write RIDs */
7866 if (!capable(CAP_NET_ADMIN))
7869 if (test_bit(FLAG_FLASHING, &ai->flags))
7873 writer = do_writerid;
7875 switch(comp->command)
7877 case AIROPSIDS: ridcode = RID_SSID; break;
7878 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7879 case AIROPAPLIST: ridcode = RID_APLIST; break;
7880 case AIROPCFG: ai->config.len = 0;
7881 clear_bit(FLAG_COMMIT, &ai->flags);
7882 ridcode = RID_CONFIG; break;
7883 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7884 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7885 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7886 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7888 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7889 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7891 /* this is not really a rid but a command given to the card
7895 if (enable_MAC(ai, 1) != 0)
7900 * Evidently this code in the airo driver does not get a symbol
7901 * as disable_MAC. it's probably so short the compiler does not gen one.
7907 /* This command merely clears the counts does not actually store any data
7908 * only reads rid. But as it changes the cards state, I put it in the
7909 * writerid routines.
7912 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7915 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7917 enabled = ai->micstats.enabled;
7918 memset(&ai->micstats,0,sizeof(ai->micstats));
7919 ai->micstats.enabled = enabled;
7921 if (copy_to_user(comp->data, iobuf,
7922 min((int)comp->len, (int)RIDSIZE))) {
7930 return -EOPNOTSUPP; /* Blarg! */
7932 if(comp->len > RIDSIZE)
7935 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7938 if (copy_from_user(iobuf,comp->data,comp->len)) {
7943 if (comp->command == AIROPCFG) {
7944 ConfigRid *cfg = (ConfigRid *)iobuf;
7946 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7947 cfg->opmode |= MODE_MIC;
7949 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7950 set_bit (FLAG_ADHOC, &ai->flags);
7952 clear_bit (FLAG_ADHOC, &ai->flags);
7955 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7963 /*****************************************************************************
7964 * Ancillary flash / mod functions much black magic lurkes here *
7965 *****************************************************************************
7969 * Flash command switch table
7972 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7975 /* Only super-user can modify flash */
7976 if (!capable(CAP_NET_ADMIN))
7979 switch(comp->command)
7982 return cmdreset((struct airo_info *)dev->ml_priv);
7985 if (!AIRO_FLASH(dev) &&
7986 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7988 return setflashmode((struct airo_info *)dev->ml_priv);
7990 case AIROFLSHGCHR: /* Get char from aux */
7991 if(comp->len != sizeof(int))
7993 if (copy_from_user(&z,comp->data,comp->len))
7995 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7997 case AIROFLSHPCHR: /* Send char to card. */
7998 if(comp->len != sizeof(int))
8000 if (copy_from_user(&z,comp->data,comp->len))
8002 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8004 case AIROFLPUTBUF: /* Send 32k to card */
8005 if (!AIRO_FLASH(dev))
8007 if(comp->len > FLASHSIZE)
8009 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8012 flashputbuf((struct airo_info *)dev->ml_priv);
8016 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8023 #define FLASH_COMMAND 0x7e7e
8027 * Disable MAC and do soft reset on
8031 static int cmdreset(struct airo_info *ai) {
8035 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8039 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8041 ssleep(1); /* WAS 600 12/7/00 */
8044 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8051 * Put the card in legendary flash
8055 static int setflashmode (struct airo_info *ai) {
8056 set_bit (FLAG_FLASHING, &ai->flags);
8058 OUT4500(ai, SWS0, FLASH_COMMAND);
8059 OUT4500(ai, SWS1, FLASH_COMMAND);
8061 OUT4500(ai, SWS0, FLASH_COMMAND);
8062 OUT4500(ai, COMMAND,0x10);
8064 OUT4500(ai, SWS2, FLASH_COMMAND);
8065 OUT4500(ai, SWS3, FLASH_COMMAND);
8066 OUT4500(ai, COMMAND,0);
8068 msleep(500); /* 500ms delay */
8071 clear_bit (FLAG_FLASHING, &ai->flags);
8072 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8078 /* Put character to SWS0 wait for dwelltime
8082 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8093 /* Wait for busy bit d15 to go false indicating buffer empty */
8094 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8099 /* timeout for busy clear wait */
8101 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8105 /* Port is clear now write byte and wait for it to echo back */
8107 OUT4500(ai,SWS0,byte);
8110 echo = IN4500(ai,SWS1);
8111 } while (dwelltime >= 0 && echo != byte);
8115 return (echo == byte) ? 0 : -EIO;
8119 * Get a character from the card matching matchbyte
8122 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8124 unsigned char rbyte=0;
8127 rchar = IN4500(ai,SWS1);
8129 if(dwelltime && !(0x8000 & rchar)){
8134 rbyte = 0xff & rchar;
8136 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8140 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8144 }while(dwelltime > 0);
8149 * Transfer 32k of firmware data from user buffer to our buffer and
8153 static int flashputbuf(struct airo_info *ai){
8157 if (test_bit(FLAG_MPI,&ai->flags))
8158 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8160 OUT4500(ai,AUXPAGE,0x100);
8161 OUT4500(ai,AUXOFF,0);
8163 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8164 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8167 OUT4500(ai,SWS0,0x8000);
8175 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8178 ssleep(1); /* Added 12/7/00 */
8179 clear_bit (FLAG_FLASHING, &ai->flags);
8180 if (test_bit(FLAG_MPI, &ai->flags)) {
8181 status = mpi_init_descriptors(ai);
8182 if (status != SUCCESS)
8185 status = setup_card(ai, dev->dev_addr, 1);
8187 if (!test_bit(FLAG_MPI,&ai->flags))
8188 for( i = 0; i < MAX_FIDS; i++ ) {
8189 ai->fids[i] = transmit_allocate
8190 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8193 ssleep(1); /* Added 12/7/00 */
8196 #endif /* CISCO_EXT */
8199 This program is free software; you can redistribute it and/or
8200 modify it under the terms of the GNU General Public License
8201 as published by the Free Software Foundation; either version 2
8202 of the License, or (at your option) any later version.
8204 This program is distributed in the hope that it will be useful,
8205 but WITHOUT ANY WARRANTY; without even the implied warranty of
8206 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8207 GNU General Public License for more details.
8211 Redistribution and use in source and binary forms, with or without
8212 modification, are permitted provided that the following conditions
8215 1. Redistributions of source code must retain the above copyright
8216 notice, this list of conditions and the following disclaimer.
8217 2. Redistributions in binary form must reproduce the above copyright
8218 notice, this list of conditions and the following disclaimer in the
8219 documentation and/or other materials provided with the distribution.
8220 3. The name of the author may not be used to endorse or promote
8221 products derived from this software without specific prior written
8224 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8225 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8226 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8227 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8228 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8229 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8230 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8231 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8232 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8233 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8234 POSSIBILITY OF SUCH DAMAGE.
8237 module_init(airo_init_module);
8238 module_exit(airo_cleanup_module);