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/unaligned.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
52 #include <crypto/aes.h>
53 #include <crypto/skcipher.h>
55 #include <net/cfg80211.h>
56 #include <net/iw_handler.h>
60 #define DRV_NAME "airo"
63 static const struct pci_device_id card_ids[] = {
64 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
66 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
70 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
73 MODULE_DEVICE_TABLE(pci, card_ids);
75 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
76 static void airo_pci_remove(struct pci_dev *);
77 static int __maybe_unused airo_pci_suspend(struct device *dev);
78 static int __maybe_unused airo_pci_resume(struct device *dev);
80 static SIMPLE_DEV_PM_OPS(airo_pci_pm_ops,
84 static struct pci_driver airo_driver = {
87 .probe = airo_pci_probe,
88 .remove = airo_pci_remove,
89 .driver.pm = &airo_pci_pm_ops,
91 #endif /* CONFIG_PCI */
93 /* Include Wireless Extension definition and check version - Jean II */
94 #include <linux/wireless.h>
95 #define WIRELESS_SPY /* enable iwspy support */
97 #define CISCO_EXT /* enable Cisco extensions */
99 #include <linux/delay.h>
102 /* Hack to do some power saving */
103 #define POWER_ON_DOWN
105 /* As you can see this list is HUGH!
106 I really don't know what a lot of these counts are about, but they
107 are all here for completeness. If the IGNLABEL macro is put in
108 infront of the label, that statistic will not be included in the list
109 of statistics in the /proc filesystem */
111 #define IGNLABEL(comment) NULL
112 static const char *statsLabels[] = {
114 IGNLABEL("RxPlcpCrcErr"),
115 IGNLABEL("RxPlcpFormatErr"),
116 IGNLABEL("RxPlcpLengthErr"),
147 "LostSync-MissedBeacons",
148 "LostSync-ArlExceeded",
150 "LostSync-Disassoced",
151 "LostSync-TsfTiming",
160 IGNLABEL("HmacTxMc"),
161 IGNLABEL("HmacTxBc"),
162 IGNLABEL("HmacTxUc"),
163 IGNLABEL("HmacTxFail"),
164 IGNLABEL("HmacRxMc"),
165 IGNLABEL("HmacRxBc"),
166 IGNLABEL("HmacRxUc"),
167 IGNLABEL("HmacRxDiscard"),
168 IGNLABEL("HmacRxAccepted"),
176 IGNLABEL("ReasonOutsideTable"),
177 IGNLABEL("ReasonStatus1"),
178 IGNLABEL("ReasonStatus2"),
179 IGNLABEL("ReasonStatus3"),
180 IGNLABEL("ReasonStatus4"),
181 IGNLABEL("ReasonStatus5"),
182 IGNLABEL("ReasonStatus6"),
183 IGNLABEL("ReasonStatus7"),
184 IGNLABEL("ReasonStatus8"),
185 IGNLABEL("ReasonStatus9"),
186 IGNLABEL("ReasonStatus10"),
187 IGNLABEL("ReasonStatus11"),
188 IGNLABEL("ReasonStatus12"),
189 IGNLABEL("ReasonStatus13"),
190 IGNLABEL("ReasonStatus14"),
191 IGNLABEL("ReasonStatus15"),
192 IGNLABEL("ReasonStatus16"),
193 IGNLABEL("ReasonStatus17"),
194 IGNLABEL("ReasonStatus18"),
195 IGNLABEL("ReasonStatus19"),
215 #define RUN_AT(x) (jiffies+(x))
219 /* These variables are for insmod, since it seems that the rates
220 can only be set in setup_card. Rates should be a comma separated
221 (no spaces) list of rates (up to 8). */
224 static char *ssids[3];
230 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
231 0 means no limit. For old cards this was 4 */
233 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
234 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
235 the bap, needed on some older cards and buses. */
238 static int probe = 1;
240 static kuid_t proc_kuid;
241 static int proc_uid /* = 0 */;
243 static kgid_t proc_kgid;
244 static int proc_gid /* = 0 */;
246 static int airo_perm = 0555;
248 static int proc_perm = 0644;
250 MODULE_AUTHOR("Benjamin Reed");
251 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
252 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
253 MODULE_LICENSE("Dual BSD/GPL");
254 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
255 module_param_hw_array(io, int, ioport, NULL, 0);
256 module_param_hw_array(irq, int, irq, NULL, 0);
257 module_param_array(rates, int, NULL, 0);
258 module_param_array(ssids, charp, NULL, 0);
259 module_param(auto_wep, int, 0);
260 MODULE_PARM_DESC(auto_wep,
261 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
262 "The value of auto_wep is number of the wep keys to check. "
263 "A value of 2 will try using the key at index 0 and index 1.");
264 module_param(aux_bap, int, 0);
265 MODULE_PARM_DESC(aux_bap,
266 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
267 "Before switching it checks that the switch is needed.");
268 module_param(maxencrypt, int, 0);
269 MODULE_PARM_DESC(maxencrypt,
270 "The maximum speed that the card can do encryption. "
271 "Units are in 512kbs. "
272 "Zero (default) means there is no limit. "
273 "Older cards used to be limited to 2mbs (4).");
274 module_param(adhoc, int, 0);
275 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
276 module_param(probe, int, 0);
277 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
279 module_param(proc_uid, int, 0);
280 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
281 module_param(proc_gid, int, 0);
282 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
283 module_param(airo_perm, int, 0);
284 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
285 module_param(proc_perm, int, 0);
286 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
288 /* This is a kind of sloppy hack to get this information to OUT4500 and
289 IN4500. I would be extremely interested in the situation where this
290 doesn't work though!!! */
291 static int do8bitIO /* = 0 */;
300 #define MAC_ENABLE 0x0001
301 #define MAC_DISABLE 0x0002
302 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
303 #define CMD_SOFTRESET 0x0004
304 #define HOSTSLEEP 0x0005
305 #define CMD_MAGIC_PKT 0x0006
306 #define CMD_SETWAKEMASK 0x0007
307 #define CMD_READCFG 0x0008
308 #define CMD_SETMODE 0x0009
309 #define CMD_ALLOCATETX 0x000a
310 #define CMD_TRANSMIT 0x000b
311 #define CMD_DEALLOCATETX 0x000c
313 #define CMD_WORKAROUND 0x0011
314 #define CMD_ALLOCATEAUX 0x0020
315 #define CMD_ACCESS 0x0021
316 #define CMD_PCIBAP 0x0022
317 #define CMD_PCIAUX 0x0023
318 #define CMD_ALLOCBUF 0x0028
319 #define CMD_GETTLV 0x0029
320 #define CMD_PUTTLV 0x002a
321 #define CMD_DELTLV 0x002b
322 #define CMD_FINDNEXTTLV 0x002c
323 #define CMD_PSPNODES 0x0030
324 #define CMD_SETCW 0x0031
325 #define CMD_SETPCF 0x0032
326 #define CMD_SETPHYREG 0x003e
327 #define CMD_TXTEST 0x003f
328 #define MAC_ENABLETX 0x0101
329 #define CMD_LISTBSS 0x0103
330 #define CMD_SAVECFG 0x0108
331 #define CMD_ENABLEAUX 0x0111
332 #define CMD_WRITERID 0x0121
333 #define CMD_USEPSPNODES 0x0130
334 #define MAC_ENABLERX 0x0201
337 #define ERROR_QUALIF 0x00
338 #define ERROR_ILLCMD 0x01
339 #define ERROR_ILLFMT 0x02
340 #define ERROR_INVFID 0x03
341 #define ERROR_INVRID 0x04
342 #define ERROR_LARGE 0x05
343 #define ERROR_NDISABL 0x06
344 #define ERROR_ALLOCBSY 0x07
345 #define ERROR_NORD 0x0B
346 #define ERROR_NOWR 0x0C
347 #define ERROR_INVFIDTX 0x0D
348 #define ERROR_TESTACT 0x0E
349 #define ERROR_TAGNFND 0x12
350 #define ERROR_DECODE 0x20
351 #define ERROR_DESCUNAV 0x21
352 #define ERROR_BADLEN 0x22
353 #define ERROR_MODE 0x80
354 #define ERROR_HOP 0x81
355 #define ERROR_BINTER 0x82
356 #define ERROR_RXMODE 0x83
357 #define ERROR_MACADDR 0x84
358 #define ERROR_RATES 0x85
359 #define ERROR_ORDER 0x86
360 #define ERROR_SCAN 0x87
361 #define ERROR_AUTH 0x88
362 #define ERROR_PSMODE 0x89
363 #define ERROR_RTYPE 0x8A
364 #define ERROR_DIVER 0x8B
365 #define ERROR_SSID 0x8C
366 #define ERROR_APLIST 0x8D
367 #define ERROR_AUTOWAKE 0x8E
368 #define ERROR_LEAP 0x8F
379 #define LINKSTAT 0x10
383 #define TXALLOCFID 0x22
384 #define TXCOMPLFID 0x24
399 /* Offset into aux memory for descriptors */
400 #define AUX_OFFSET 0x800
401 /* Size of allocated packets */
404 /* Size of the transmit queue */
408 #define BAP0 0 /* Used for receiving packets */
409 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
412 #define COMMAND_BUSY 0x8000
414 #define BAP_BUSY 0x8000
415 #define BAP_ERR 0x4000
416 #define BAP_DONE 0x2000
418 #define PROMISC 0xffff
419 #define NOPROMISC 0x0000
422 #define EV_CLEARCOMMANDBUSY 0x4000
425 #define EV_TXEXC 0x04
426 #define EV_ALLOC 0x08
428 #define EV_AWAKE 0x100
429 #define EV_TXCPY 0x400
430 #define EV_UNKNOWN 0x800
431 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
432 #define EV_AWAKEN 0x2000
433 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
435 #ifdef CHECK_UNKNOWN_INTS
436 #define IGNORE_INTS (EV_CMD | EV_UNKNOWN)
438 #define IGNORE_INTS (~STATUS_INTS)
445 #define RID_CAPABILITIES 0xFF00
446 #define RID_APINFO 0xFF01
447 #define RID_RADIOINFO 0xFF02
448 #define RID_UNKNOWN3 0xFF03
449 #define RID_RSSI 0xFF04
450 #define RID_CONFIG 0xFF10
451 #define RID_SSID 0xFF11
452 #define RID_APLIST 0xFF12
453 #define RID_DRVNAME 0xFF13
454 #define RID_ETHERENCAP 0xFF14
455 #define RID_WEP_TEMP 0xFF15
456 #define RID_WEP_PERM 0xFF16
457 #define RID_MODULATION 0xFF17
458 #define RID_OPTIONS 0xFF18
459 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
460 #define RID_FACTORYCONFIG 0xFF21
461 #define RID_UNKNOWN22 0xFF22
462 #define RID_LEAPUSERNAME 0xFF23
463 #define RID_LEAPPASSWORD 0xFF24
464 #define RID_STATUS 0xFF50
465 #define RID_BEACON_HST 0xFF51
466 #define RID_BUSY_HST 0xFF52
467 #define RID_RETRIES_HST 0xFF53
468 #define RID_UNKNOWN54 0xFF54
469 #define RID_UNKNOWN55 0xFF55
470 #define RID_UNKNOWN56 0xFF56
471 #define RID_MIC 0xFF57
472 #define RID_STATS16 0xFF60
473 #define RID_STATS16DELTA 0xFF61
474 #define RID_STATS16DELTACLEAR 0xFF62
475 #define RID_STATS 0xFF68
476 #define RID_STATSDELTA 0xFF69
477 #define RID_STATSDELTACLEAR 0xFF6A
478 #define RID_ECHOTEST_RID 0xFF70
479 #define RID_ECHOTEST_RESULTS 0xFF71
480 #define RID_BSSLISTFIRST 0xFF72
481 #define RID_BSSLISTNEXT 0xFF73
482 #define RID_WPA_BSSLISTFIRST 0xFF74
483 #define RID_WPA_BSSLISTNEXT 0xFF75
500 * Rids and endian-ness: The Rids will always be in cpu endian, since
501 * this all the patches from the big-endian guys end up doing that.
502 * so all rid access should use the read/writeXXXRid routines.
505 /* This structure came from an email sent to me from an engineer at
506 aironet for inclusion into this driver */
507 typedef struct WepKeyRid WepKeyRid;
516 /* These structures are from the Aironet's PC4500 Developers Manual */
517 typedef struct Ssid Ssid;
523 typedef struct SsidRid SsidRid;
529 typedef struct ModulationRid ModulationRid;
530 struct ModulationRid {
533 #define MOD_DEFAULT cpu_to_le16(0)
534 #define MOD_CCK cpu_to_le16(1)
535 #define MOD_MOK cpu_to_le16(2)
538 typedef struct ConfigRid ConfigRid;
540 __le16 len; /* sizeof(ConfigRid) */
541 __le16 opmode; /* operating mode */
542 #define MODE_STA_IBSS cpu_to_le16(0)
543 #define MODE_STA_ESS cpu_to_le16(1)
544 #define MODE_AP cpu_to_le16(2)
545 #define MODE_AP_RPTR cpu_to_le16(3)
546 #define MODE_CFG_MASK cpu_to_le16(0xff)
547 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
548 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
549 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
550 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
551 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
552 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
553 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
554 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
555 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
556 __le16 rmode; /* receive mode */
557 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
558 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
559 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
560 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
561 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
562 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
563 #define RXMODE_MASK cpu_to_le16(255)
564 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
565 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
566 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
569 u8 macAddr[ETH_ALEN];
571 __le16 shortRetryLimit;
572 __le16 longRetryLimit;
573 __le16 txLifetime; /* in kusec */
574 __le16 rxLifetime; /* in kusec */
577 __le16 u16deviceType; /* for overriding device type */
580 __le16 _reserved1[3];
581 /*---------- Scanning/Associating ----------*/
583 #define SCANMODE_ACTIVE cpu_to_le16(0)
584 #define SCANMODE_PASSIVE cpu_to_le16(1)
585 #define SCANMODE_AIROSCAN cpu_to_le16(2)
586 __le16 probeDelay; /* in kusec */
587 __le16 probeEnergyTimeout; /* in kusec */
588 __le16 probeResponseTimeout;
589 __le16 beaconListenTimeout;
590 __le16 joinNetTimeout;
593 #define AUTH_OPEN cpu_to_le16(0x1)
594 #define AUTH_ENCRYPT cpu_to_le16(0x101)
595 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
596 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
597 __le16 associationTimeout;
598 __le16 specifiedApTimeout;
599 __le16 offlineScanInterval;
600 __le16 offlineScanDuration;
601 __le16 linkLossDelay;
602 __le16 maxBeaconLostTime;
603 __le16 refreshInterval;
604 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
605 __le16 _reserved1a[1];
606 /*---------- Power save operation ----------*/
607 __le16 powerSaveMode;
608 #define POWERSAVE_CAM cpu_to_le16(0)
609 #define POWERSAVE_PSP cpu_to_le16(1)
610 #define POWERSAVE_PSPCAM cpu_to_le16(2)
611 __le16 sleepForDtims;
612 __le16 listenInterval;
613 __le16 fastListenInterval;
615 __le16 fastListenDelay;
616 __le16 _reserved2[2];
617 /*---------- Ap/Ibss config items ----------*/
624 __le16 bridgeDistance;
626 /*---------- Radio configuration ----------*/
628 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
629 #define RADIOTYPE_802_11 cpu_to_le16(1)
630 #define RADIOTYPE_LEGACY cpu_to_le16(2)
634 #define TXPOWER_DEFAULT 0
635 __le16 rssiThreshold;
636 #define RSSI_DEFAULT 0
638 #define PREAMBLE_AUTO cpu_to_le16(0)
639 #define PREAMBLE_LONG cpu_to_le16(1)
640 #define PREAMBLE_SHORT cpu_to_le16(2)
643 __le16 radioSpecific;
644 /*---------- Aironet Extensions ----------*/
649 __le16 _reserved4[1];
650 /*---------- Aironet Extensions ----------*/
652 #define MAGIC_ACTION_STSCHG 1
653 #define MAGIC_ACTION_RESUME 2
654 #define MAGIC_IGNORE_MCAST (1<<8)
655 #define MAGIC_IGNORE_BCAST (1<<9)
656 #define MAGIC_SWITCH_TO_PSP (0<<10)
657 #define MAGIC_STAY_IN_CAM (1<<10)
662 typedef struct StatusRid StatusRid;
672 u8 bssid[4][ETH_ALEN];
679 __le16 hopsToBackbone;
681 __le16 generatedLoad;
682 __le16 accumulatedArl;
683 __le16 signalQuality;
684 __le16 currentXmitRate;
685 __le16 apDevExtensions;
686 __le16 normalizedSignalStrength;
687 __le16 shortPreamble;
689 u8 noisePercent; /* Noise percent in last second */
690 u8 noisedBm; /* Noise dBm in last second */
691 u8 noiseAvePercent; /* Noise percent in last minute */
692 u8 noiseAvedBm; /* Noise dBm in last minute */
693 u8 noiseMaxPercent; /* Highest noise percent in last minute */
694 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
698 #define STAT_NOPACKETS 0
699 #define STAT_NOCARRIERSET 10
700 #define STAT_GOTCARRIERSET 11
701 #define STAT_WRONGSSID 20
702 #define STAT_BADCHANNEL 25
703 #define STAT_BADBITRATES 30
704 #define STAT_BADPRIVACY 35
705 #define STAT_APFOUND 40
706 #define STAT_APREJECTED 50
707 #define STAT_AUTHENTICATING 60
708 #define STAT_DEAUTHENTICATED 61
709 #define STAT_AUTHTIMEOUT 62
710 #define STAT_ASSOCIATING 70
711 #define STAT_DEASSOCIATED 71
712 #define STAT_ASSOCTIMEOUT 72
713 #define STAT_NOTAIROAP 73
714 #define STAT_ASSOCIATED 80
715 #define STAT_LEAPING 90
716 #define STAT_LEAPFAILED 91
717 #define STAT_LEAPTIMEDOUT 92
718 #define STAT_LEAPCOMPLETE 93
721 typedef struct StatsRid StatsRid;
728 typedef struct APListRid APListRid;
734 typedef struct CapabilityRid CapabilityRid;
735 struct CapabilityRid {
743 char factoryAddr[ETH_ALEN];
744 char aironetAddr[ETH_ALEN];
747 char callid[ETH_ALEN];
748 char supportedRates[8];
751 __le16 txPowerLevels[8];
764 /* Only present on firmware >= 5.30.17 */
765 typedef struct BSSListRidExtra BSSListRidExtra;
766 struct BSSListRidExtra {
768 u8 fixed[12]; /* WLAN management frame */
772 typedef struct BSSListRid BSSListRid;
775 __le16 index; /* First is 0 and 0xffff means end of list */
776 #define RADIO_FH 1 /* Frequency hopping radio type */
777 #define RADIO_DS 2 /* Direct sequence radio type */
778 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
780 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
785 #define CAP_ESS cpu_to_le16(1<<0)
786 #define CAP_IBSS cpu_to_le16(1<<1)
787 #define CAP_PRIVACY cpu_to_le16(1<<4)
788 #define CAP_SHORTHDR cpu_to_le16(1<<5)
790 __le16 beaconInterval;
791 u8 rates[8]; /* Same as rates for config rid */
792 struct { /* For frequency hopping only */
802 /* Only present on firmware >= 5.30.17 */
803 BSSListRidExtra extra;
808 struct list_head list;
811 typedef struct tdsRssiEntry tdsRssiEntry;
812 struct tdsRssiEntry {
817 typedef struct tdsRssiRid tdsRssiRid;
823 typedef struct MICRid MICRid;
827 __le16 multicastValid;
833 typedef struct MICBuffer MICBuffer;
856 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
857 #define TXCTL_TXEX (1<<2) /* report if tx fails */
858 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
859 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
860 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
861 #define TXCTL_LLC (1<<4) /* payload is llc */
862 #define TXCTL_RELEASE (0<<5) /* release after completion */
863 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
865 #define BUSY_FID 0x10000
868 #define AIROMAGIC 0xa55a
869 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
870 #ifdef SIOCIWFIRSTPRIV
871 #ifdef SIOCDEVPRIVATE
872 #define AIROOLDIOCTL SIOCDEVPRIVATE
873 #define AIROOLDIDIFC AIROOLDIOCTL + 1
874 #endif /* SIOCDEVPRIVATE */
875 #else /* SIOCIWFIRSTPRIV */
876 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
877 #endif /* SIOCIWFIRSTPRIV */
878 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
879 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
880 * only and don't return the modified struct ifreq to the application which
881 * is usually a problem. - Jean II */
882 #define AIROIOCTL SIOCIWFIRSTPRIV
883 #define AIROIDIFC AIROIOCTL + 1
885 /* Ioctl constants to be used in airo_ioctl.command */
887 #define AIROGCAP 0 // Capability rid
888 #define AIROGCFG 1 // USED A LOT
889 #define AIROGSLIST 2 // System ID list
890 #define AIROGVLIST 3 // List of specified AP's
891 #define AIROGDRVNAM 4 // NOTUSED
892 #define AIROGEHTENC 5 // NOTUSED
893 #define AIROGWEPKTMP 6
894 #define AIROGWEPKNV 7
896 #define AIROGSTATSC32 9
897 #define AIROGSTATSD32 10
898 #define AIROGMICRID 11
899 #define AIROGMICSTATS 12
900 #define AIROGFLAGS 13
903 #define AIRORSWVERSION 17
905 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
907 #define AIROPCAP AIROGSTATSD32 + 40
908 #define AIROPVLIST AIROPCAP + 1
909 #define AIROPSLIST AIROPVLIST + 1
910 #define AIROPCFG AIROPSLIST + 1
911 #define AIROPSIDS AIROPCFG + 1
912 #define AIROPAPLIST AIROPSIDS + 1
913 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
914 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
915 #define AIROPSTCLR AIROPMACOFF + 1
916 #define AIROPWEPKEY AIROPSTCLR + 1
917 #define AIROPWEPKEYNV AIROPWEPKEY + 1
918 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
919 #define AIROPLEAPUSR AIROPLEAPPWD + 1
923 #define AIROFLSHRST AIROPWEPKEYNV + 40
924 #define AIROFLSHGCHR AIROFLSHRST + 1
925 #define AIROFLSHSTFL AIROFLSHGCHR + 1
926 #define AIROFLSHPCHR AIROFLSHSTFL + 1
927 #define AIROFLPUTBUF AIROFLSHPCHR + 1
928 #define AIRORESTART AIROFLPUTBUF + 1
930 #define FLASHSIZE 32768
931 #define AUXMEMSIZE (256 * 1024)
933 typedef struct aironet_ioctl {
934 unsigned short command; // What to do
935 unsigned short len; // Len of data
936 unsigned short ridnum; // rid number
937 unsigned char __user *data; // d-data
940 static const char swversion[] = "2.1";
941 #endif /* CISCO_EXT */
943 #define NUM_MODULES 2
944 #define MIC_MSGLEN_MAX 2400
945 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
946 #define AIRO_DEF_MTU 2312
950 u8 enabled; // MIC enabled or not
951 u32 rxSuccess; // successful packets received
952 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
953 u32 rxNotMICed; // pkts dropped due to not being MIC'd
954 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
955 u32 rxWrongSequence; // pkts dropped due to sequence number violation
960 __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
961 u64 accum; // accumulated mic, reduced to u32 in final()
962 int position; // current position (byte offset) in message
966 } part; // saves partial message word across update() calls
970 emmh32_context seed; // Context - the seed
971 u32 rx; // Received sequence number
972 u32 tx; // Tx sequence number
973 u32 window; // Start of window
974 u8 valid; // Flag to say if context is valid or not
979 miccntx mCtx; // Multicast context
980 miccntx uCtx; // Unicast context
984 unsigned int rid: 16;
985 unsigned int len: 15;
986 unsigned int valid: 1;
987 dma_addr_t host_addr;
991 unsigned int offset: 15;
993 unsigned int len: 15;
994 unsigned int valid: 1;
995 dma_addr_t host_addr;
1007 unsigned int ctl: 15;
1008 unsigned int rdy: 1;
1009 unsigned int len: 15;
1010 unsigned int valid: 1;
1011 dma_addr_t host_addr;
1015 * Host receive descriptor
1018 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1020 RxFid rx_desc; /* card receive descriptor */
1021 char *virtual_host_addr; /* virtual address of host receive
1027 * Host transmit descriptor
1030 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1032 TxFid tx_desc; /* card transmit descriptor */
1033 char *virtual_host_addr; /* virtual address of host receive
1039 * Host RID descriptor
1042 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1044 Rid rid_desc; /* card RID descriptor */
1045 char *virtual_host_addr; /* virtual address of host receive
1054 #define HOST_SET (1 << 0)
1055 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1056 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1057 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1058 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1059 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1060 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1061 #define HOST_RTS (1 << 9) /* Force RTS use */
1062 #define HOST_SHORT (1 << 10) /* Do short preamble */
1089 static WifiCtlHdr wifictlhdr8023 = {
1091 .ctl = HOST_DONT_RLSE,
1095 // A few details needed for WEP (Wireless Equivalent Privacy)
1096 #define MAX_KEY_SIZE 13 // 128 (?) bits
1097 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1098 typedef struct wep_key_t {
1100 u8 key[16]; /* 40-bit and 104-bit keys */
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 reg, u16 value);
1112 static unsigned short IN4500(struct airo_info *, u16 reg);
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_sync_skcipher *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];
1248 /* WPA-related stuff */
1249 unsigned int bssListFirst;
1250 unsigned int bssListNext;
1251 unsigned int bssListRidLen;
1253 struct list_head network_list;
1254 struct list_head network_free_list;
1255 BSSListElement *networks;
1258 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1261 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1264 static int setup_proc_entry(struct net_device *dev,
1265 struct airo_info *apriv);
1266 static int takedown_proc_entry(struct net_device *dev,
1267 struct airo_info *apriv);
1269 static int cmdreset(struct airo_info *ai);
1270 static int setflashmode(struct airo_info *ai);
1271 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime);
1272 static int flashputbuf(struct airo_info *ai);
1273 static int flashrestart(struct airo_info *ai, struct net_device *dev);
1275 #define airo_print(type, name, fmt, args...) \
1276 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1278 #define airo_print_info(name, fmt, args...) \
1279 airo_print(KERN_INFO, name, fmt, ##args)
1281 #define airo_print_dbg(name, fmt, args...) \
1282 airo_print(KERN_DEBUG, name, fmt, ##args)
1284 #define airo_print_warn(name, fmt, args...) \
1285 airo_print(KERN_WARNING, name, fmt, ##args)
1287 #define airo_print_err(name, fmt, args...) \
1288 airo_print(KERN_ERR, name, fmt, ##args)
1290 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1292 /***********************************************************************
1294 ***********************************************************************
1297 static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq);
1298 static void MoveWindow(miccntx *context, u32 micSeq);
1299 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1300 struct crypto_sync_skcipher *tfm);
1301 static void emmh32_init(emmh32_context *context);
1302 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1303 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1304 static int flashpchar(struct airo_info *ai, int byte, int dwelltime);
1306 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1307 struct crypto_sync_skcipher *tfm)
1309 /* If the current MIC context is valid and its key is the same as
1310 * the MIC register, there's nothing to do.
1312 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1315 /* Age current mic Context */
1316 memcpy(old, cur, sizeof(*cur));
1318 /* Initialize new context */
1319 memcpy(cur->key, key, key_len);
1320 cur->window = 33; /* Window always points to the middle */
1321 cur->rx = 0; /* Rx Sequence numbers */
1322 cur->tx = 0; /* Tx sequence numbers */
1323 cur->valid = 1; /* Key is now valid */
1325 /* Give key to mic seed */
1326 emmh32_setseed(&cur->seed, key, key_len, tfm);
1329 /* micinit - Initialize mic seed */
1331 static void micinit(struct airo_info *ai)
1335 clear_bit(JOB_MIC, &ai->jobs);
1336 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1339 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1340 if (!ai->micstats.enabled) {
1341 /* So next time we have a valid key and mic is enabled, we will
1342 * update the sequence number if the key is the same as before.
1344 ai->mod[0].uCtx.valid = 0;
1345 ai->mod[0].mCtx.valid = 0;
1349 if (mic_rid.multicastValid) {
1350 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1351 mic_rid.multicast, sizeof(mic_rid.multicast),
1355 if (mic_rid.unicastValid) {
1356 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1357 mic_rid.unicast, sizeof(mic_rid.unicast),
1362 /* micsetup - Get ready for business */
1364 static int micsetup(struct airo_info *ai)
1368 if (ai->tfm == NULL)
1369 ai->tfm = crypto_alloc_sync_skcipher("ctr(aes)", 0, 0);
1371 if (IS_ERR(ai->tfm)) {
1372 airo_print_err(ai->dev->name, "failed to load transform for AES");
1377 for (i = 0; i < NUM_MODULES; i++) {
1378 memset(&ai->mod[i].mCtx, 0, sizeof(miccntx));
1379 memset(&ai->mod[i].uCtx, 0, sizeof(miccntx));
1384 static const u8 micsnap[] = {0xAA, 0xAA, 0x03, 0x00, 0x40, 0x96, 0x00, 0x02};
1386 /*===========================================================================
1387 * Description: Mic a packet
1389 * Inputs: etherHead * pointer to an 802.3 frame
1391 * Returns: BOOLEAN if successful, otherwise false.
1392 * PacketTxLen will be updated with the mic'd packets size.
1394 * Caveats: It is assumed that the frame buffer will already
1395 * be big enough to hold the largets mic message possible.
1396 * (No memory allocation is done here).
1398 * Author: sbraneky (10/15/01)
1399 * Merciless hacks by rwilcher (1/14/02)
1402 static int encapsulate(struct airo_info *ai, etherHead *frame, MICBuffer *mic, int payLen)
1406 // Determine correct context
1407 // If not adhoc, always use unicast key
1409 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1410 context = &ai->mod[0].mCtx;
1412 context = &ai->mod[0].uCtx;
1414 if (!context->valid)
1417 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1419 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1422 mic->seq = htonl(context->tx);
1425 emmh32_init(&context->seed); // Mic the packet
1426 emmh32_update(&context->seed, frame->da, ETH_ALEN * 2); // DA, SA
1427 emmh32_update(&context->seed, (u8*)&mic->typelen, 10); // Type/Length and Snap
1428 emmh32_update(&context->seed, (u8*)&mic->seq, sizeof(mic->seq)); //SEQ
1429 emmh32_update(&context->seed, (u8*)(frame + 1), payLen); //payload
1430 emmh32_final(&context->seed, (u8*)&mic->mic);
1432 /* New Type/length ?????????? */
1433 mic->typelen = 0; //Let NIC know it could be an oversized packet
1445 /*===========================================================================
1446 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1447 * (removes the MIC stuff) if packet is a valid packet.
1449 * Inputs: etherHead pointer to the 802.3 packet
1451 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1453 * Author: sbraneky (10/15/01)
1454 * Merciless hacks by rwilcher (1/14/02)
1455 *---------------------------------------------------------------------------
1458 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1464 mic_error micError = NONE;
1466 // Check if the packet is a Mic'd packet
1468 if (!ai->micstats.enabled) {
1469 //No Mic set or Mic OFF but we received a MIC'd packet.
1470 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1471 ai->micstats.rxMICPlummed++;
1477 if (ntohs(mic->typelen) == 0x888E)
1480 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1481 // Mic enabled but packet isn't Mic'd
1482 ai->micstats.rxMICPlummed++;
1486 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1488 //At this point we a have a mic'd packet and mic is enabled
1489 //Now do the mic error checking.
1491 //Receive seq must be odd
1492 if ((micSEQ & 1) == 0) {
1493 ai->micstats.rxWrongSequence++;
1497 for (i = 0; i < NUM_MODULES; i++) {
1498 int mcast = eth->da[0] & 1;
1499 //Determine proper context
1500 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1502 //Make sure context is valid
1503 if (!context->valid) {
1505 micError = NOMICPLUMMED;
1511 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1513 emmh32_init(&context->seed);
1514 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1515 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1516 emmh32_update(&context->seed, (u8 *)&mic->seq, sizeof(mic->seq));
1517 emmh32_update(&context->seed, (u8 *)(eth + 1), payLen);
1519 emmh32_final(&context->seed, digest);
1521 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1524 micError = INCORRECTMIC;
1528 //Check Sequence number if mics pass
1529 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1530 ai->micstats.rxSuccess++;
1534 micError = SEQUENCE;
1537 // Update statistics
1539 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1540 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1541 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1548 /*===========================================================================
1549 * Description: Checks the Rx Seq number to make sure it is valid
1550 * and hasn't already been received
1552 * Inputs: miccntx - mic context to check seq against
1553 * micSeq - the Mic seq number
1555 * Returns: TRUE if valid otherwise FALSE.
1557 * Author: sbraneky (10/15/01)
1558 * Merciless hacks by rwilcher (1/14/02)
1559 *---------------------------------------------------------------------------
1562 static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq)
1566 //Allow for the ap being rebooted - if it is then use the next
1567 //sequence number of the current sequence number - might go backwards
1570 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1571 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1572 context->window = (micSeq > 33) ? micSeq : 33;
1573 context->rx = 0; // Reset rx
1575 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1576 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1577 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1578 context->rx = 0; // Reset rx
1581 //Make sequence number relative to START of window
1582 seq = micSeq - (context->window - 33);
1584 //Too old of a SEQ number to check.
1589 //Window is infinite forward
1590 MoveWindow(context, micSeq);
1594 // We are in the window. Now check the context rx bit to see if it was already sent
1595 seq >>= 1; //divide by 2 because we only have odd numbers
1596 index = 1 << seq; //Get an index number
1598 if (!(context->rx & index)) {
1599 //micSEQ falls inside the window.
1600 //Add seqence number to the list of received numbers.
1601 context->rx |= index;
1603 MoveWindow(context, micSeq);
1610 static void MoveWindow(miccntx *context, u32 micSeq)
1614 //Move window if seq greater than the middle of the window
1615 if (micSeq > context->window) {
1616 shift = (micSeq - context->window) >> 1;
1620 context->rx >>= shift;
1624 context->window = micSeq; //Move window
1628 /*==============================================*/
1629 /*========== EMMH ROUTINES ====================*/
1630 /*==============================================*/
1632 /* mic accumulate */
1633 #define MIC_ACCUM(val) \
1634 context->accum += (u64)(val) * be32_to_cpu(context->coeff[coeff_position++]);
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_sync_skcipher *tfm)
1640 /* take the keying material, expand if necessary, truncate at 16-bytes */
1641 /* run through AES counter mode to generate context->coeff[] */
1643 SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm);
1644 struct scatterlist sg;
1645 u8 iv[AES_BLOCK_SIZE] = {};
1648 crypto_sync_skcipher_setkey(tfm, pkey, 16);
1650 memset(context->coeff, 0, sizeof(context->coeff));
1651 sg_init_one(&sg, context->coeff, sizeof(context->coeff));
1653 skcipher_request_set_sync_tfm(req, tfm);
1654 skcipher_request_set_callback(req, 0, NULL, NULL);
1655 skcipher_request_set_crypt(req, &sg, &sg, sizeof(context->coeff), iv);
1657 ret = crypto_skcipher_encrypt(req);
1661 /* prepare for calculation of a new mic */
1662 static void emmh32_init(emmh32_context *context)
1664 /* prepare for new mic calculation */
1666 context->position = 0;
1669 /* add some bytes to the mic calculation */
1670 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1672 int coeff_position, byte_position;
1674 if (len == 0) return;
1676 coeff_position = context->position >> 2;
1678 /* deal with partial 32-bit word left over from last update */
1679 byte_position = context->position & 3;
1680 if (byte_position) {
1681 /* have a partial word in part to deal with */
1683 if (len == 0) return;
1684 context->part.d8[byte_position++] = *pOctets++;
1685 context->position++;
1687 } while (byte_position < 4);
1688 MIC_ACCUM(ntohl(context->part.d32));
1691 /* deal with full 32-bit words */
1693 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1694 context->position += 4;
1699 /* deal with partial 32-bit word that will be left over from this update */
1702 context->part.d8[byte_position++] = *pOctets++;
1703 context->position++;
1708 /* mask used to zero empty bytes for final partial word */
1709 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1711 /* calculate the mic */
1712 static void emmh32_final(emmh32_context *context, u8 digest[4])
1714 int coeff_position, byte_position;
1720 coeff_position = context->position >> 2;
1722 /* deal with partial 32-bit word left over from last update */
1723 byte_position = context->position & 3;
1724 if (byte_position) {
1725 /* have a partial word in part to deal with */
1726 val = ntohl(context->part.d32);
1727 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1730 /* reduce the accumulated u64 to a 32-bit MIC */
1731 sum = context->accum;
1732 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1733 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1734 sum = utmp & 0xffffffffLL;
1735 if (utmp > 0x10000000fLL)
1739 digest[0] = (val>>24) & 0xFF;
1740 digest[1] = (val>>16) & 0xFF;
1741 digest[2] = (val>>8) & 0xFF;
1742 digest[3] = val & 0xFF;
1745 static int readBSSListRid(struct airo_info *ai, int first,
1752 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1753 memset(&cmd, 0, sizeof(cmd));
1754 cmd.cmd = CMD_LISTBSS;
1755 if (down_interruptible(&ai->sem))
1756 return -ERESTARTSYS;
1757 ai->list_bss_task = current;
1758 issuecommand(ai, &cmd, &rsp);
1760 /* Let the command take effect */
1761 schedule_timeout_uninterruptible(3 * HZ);
1762 ai->list_bss_task = NULL;
1764 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1765 list, ai->bssListRidLen, 1);
1768 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1770 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1771 wkr, sizeof(*wkr), lock);
1774 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1777 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1779 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1788 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1790 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1793 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1795 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1798 static int readConfigRid(struct airo_info *ai, int lock)
1806 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1814 static inline void checkThrottle(struct airo_info *ai)
1817 /* Old hardware had a limit on encryption speed */
1818 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1819 for (i = 0; i<8; i++) {
1820 if (ai->config.rates[i] > maxencrypt) {
1821 ai->config.rates[i] = 0;
1827 static int writeConfigRid(struct airo_info *ai, int lock)
1831 if (!test_bit (FLAG_COMMIT, &ai->flags))
1834 clear_bit (FLAG_COMMIT, &ai->flags);
1835 clear_bit (FLAG_RESET, &ai->flags);
1839 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1840 set_bit(FLAG_ADHOC, &ai->flags);
1842 clear_bit(FLAG_ADHOC, &ai->flags);
1844 return PC4500_writerid(ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1847 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1849 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1852 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1854 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1857 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1859 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1862 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1864 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1867 static void try_auto_wep(struct airo_info *ai)
1869 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1870 ai->expires = RUN_AT(3*HZ);
1871 wake_up_interruptible(&ai->thr_wait);
1875 static int airo_open(struct net_device *dev)
1877 struct airo_info *ai = dev->ml_priv;
1880 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 /* Make sure the card is configured.
1884 * Wireless Extensions may postpone config changes until the card
1885 * is open (to pipeline changes and speed-up card setup). If
1886 * those changes are not yet committed, do it now - Jean II */
1887 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1889 writeConfigRid(ai, 1);
1892 if (ai->wifidev != dev) {
1893 clear_bit(JOB_DIE, &ai->jobs);
1894 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1896 if (IS_ERR(ai->airo_thread_task))
1897 return (int)PTR_ERR(ai->airo_thread_task);
1899 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 airo_print_err(dev->name,
1903 "register interrupt %d failed, rc %d",
1905 set_bit(JOB_DIE, &ai->jobs);
1906 kthread_stop(ai->airo_thread_task);
1910 /* Power on the MAC controller (which may have been disabled) */
1911 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1912 enable_interrupts(ai);
1918 netif_start_queue(dev);
1922 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1923 struct net_device *dev)
1925 int npacks, pending;
1926 unsigned long flags;
1927 struct airo_info *ai = dev->ml_priv;
1930 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1931 return NETDEV_TX_OK;
1933 if (skb_padto(skb, ETH_ZLEN)) {
1934 dev->stats.tx_dropped++;
1935 return NETDEV_TX_OK;
1937 npacks = skb_queue_len (&ai->txq);
1939 if (npacks >= MAXTXQ - 1) {
1940 netif_stop_queue (dev);
1941 if (npacks > MAXTXQ) {
1942 dev->stats.tx_fifo_errors++;
1943 return NETDEV_TX_BUSY;
1945 skb_queue_tail (&ai->txq, skb);
1946 return NETDEV_TX_OK;
1949 spin_lock_irqsave(&ai->aux_lock, flags);
1950 skb_queue_tail (&ai->txq, skb);
1951 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1952 spin_unlock_irqrestore(&ai->aux_lock, flags);
1953 netif_wake_queue (dev);
1956 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1957 mpi_send_packet (dev);
1959 return NETDEV_TX_OK;
1965 * Attempt to transmit a packet. Can be called from interrupt
1966 * or transmit . return number of packets we tried to send
1969 static int mpi_send_packet (struct net_device *dev)
1971 struct sk_buff *skb;
1972 unsigned char *buffer;
1975 struct airo_info *ai = dev->ml_priv;
1978 /* get a packet to send */
1980 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1981 airo_print_err(dev->name,
1982 "%s: Dequeue'd zero in send_packet()",
1987 /* check min length*/
1988 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1991 ai->txfids[0].tx_desc.offset = 0;
1992 ai->txfids[0].tx_desc.valid = 1;
1993 ai->txfids[0].tx_desc.eoc = 1;
1994 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1997 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1998 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1999 * is immediately after it. ------------------------------------------------
2000 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2001 * ------------------------------------------------
2004 memcpy(ai->txfids[0].virtual_host_addr,
2005 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2007 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023));
2009 sendbuf = ai->txfids[0].virtual_host_addr +
2010 sizeof(wifictlhdr8023) + 2 ;
2013 * Firmware automatically puts 802 header on so
2014 * we don't need to account for it in the length
2016 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2017 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2020 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2023 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2024 ai->txfids[0].tx_desc.len += sizeof(pMic);
2025 /* copy data into airo dma buffer */
2026 memcpy (sendbuf, buffer, sizeof(etherHead));
2027 buffer += sizeof(etherHead);
2028 sendbuf += sizeof(etherHead);
2029 memcpy (sendbuf, &pMic, sizeof(pMic));
2030 sendbuf += sizeof(pMic);
2031 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2033 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2035 netif_trans_update(dev);
2037 /* copy data into airo dma buffer */
2038 memcpy(sendbuf, buffer, len);
2041 memcpy_toio(ai->txfids[0].card_ram_off,
2042 &ai->txfids[0].tx_desc, sizeof(TxFid));
2044 OUT4500(ai, EVACK, 8);
2046 dev_kfree_skb_any(skb);
2050 static void get_tx_error(struct airo_info *ai, s32 fid)
2055 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2057 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2059 bap_read(ai, &status, 2, BAP0);
2061 if (le16_to_cpu(status) & 2) /* Too many retries */
2062 ai->dev->stats.tx_aborted_errors++;
2063 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2064 ai->dev->stats.tx_heartbeat_errors++;
2065 if (le16_to_cpu(status) & 8) /* Aid fail */
2067 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2068 ai->dev->stats.tx_carrier_errors++;
2069 if (le16_to_cpu(status) & 0x20) /* Association lost */
2071 /* We produce a TXDROP event only for retry or lifetime
2072 * exceeded, because that's the only status that really mean
2073 * that this particular node went away.
2074 * Other errors means that *we* screwed up. - Jean II */
2075 if ((le16_to_cpu(status) & 2) ||
2076 (le16_to_cpu(status) & 4)) {
2077 union iwreq_data wrqu;
2080 /* Faster to skip over useless data than to do
2081 * another bap_setup(). We are at offset 0x6 and
2082 * need to go to 0x18 and read 6 bytes - Jean II */
2083 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2085 /* Copy 802.11 dest address.
2086 * We use the 802.11 header because the frame may
2087 * not be 802.3 or may be mangled...
2088 * In Ad-Hoc mode, it will be the node address.
2089 * In managed mode, it will be most likely the AP addr
2090 * User space will figure out how to convert it to
2091 * whatever it needs (IP address or else).
2093 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2094 wrqu.addr.sa_family = ARPHRD_ETHER;
2096 /* Send event to user space */
2097 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2101 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 netif_trans_update(dev);
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 netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2129 struct net_device *dev)
2133 struct airo_info *priv = dev->ml_priv;
2134 u32 *fids = priv->fids;
2137 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2138 return NETDEV_TX_OK;
2140 if (skb_padto(skb, ETH_ZLEN)) {
2141 dev->stats.tx_dropped++;
2142 return NETDEV_TX_OK;
2145 /* Find a vacant FID */
2146 for (i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++);
2147 for (j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++);
2149 if (j >= MAX_FIDS / 2) {
2150 netif_stop_queue(dev);
2152 if (i == MAX_FIDS / 2) {
2153 dev->stats.tx_fifo_errors++;
2154 return NETDEV_TX_BUSY;
2157 /* check min length*/
2158 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2159 /* Mark fid as used & save length for later */
2160 fids[i] |= (len << 16);
2161 priv->xmit.skb = skb;
2163 if (down_trylock(&priv->sem) != 0) {
2164 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2165 netif_stop_queue(dev);
2166 set_bit(JOB_XMIT, &priv->jobs);
2167 wake_up_interruptible(&priv->thr_wait);
2170 return NETDEV_TX_OK;
2173 static void airo_end_xmit11(struct net_device *dev)
2177 struct airo_info *priv = dev->ml_priv;
2178 struct sk_buff *skb = priv->xmit11.skb;
2179 int fid = priv->xmit11.fid;
2180 u32 *fids = priv->fids;
2182 clear_bit(JOB_XMIT11, &priv->jobs);
2183 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2184 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2188 if (status == SUCCESS) {
2189 netif_trans_update(dev);
2190 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2192 priv->fids[fid] &= 0xffff;
2193 dev->stats.tx_window_errors++;
2196 netif_wake_queue(dev);
2200 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2201 struct net_device *dev)
2205 struct airo_info *priv = dev->ml_priv;
2206 u32 *fids = priv->fids;
2208 if (test_bit(FLAG_MPI, &priv->flags)) {
2209 /* Not implemented yet for MPI350 */
2210 netif_stop_queue(dev);
2211 dev_kfree_skb_any(skb);
2212 return NETDEV_TX_OK;
2216 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2217 return NETDEV_TX_OK;
2219 if (skb_padto(skb, ETH_ZLEN)) {
2220 dev->stats.tx_dropped++;
2221 return NETDEV_TX_OK;
2224 /* Find a vacant FID */
2225 for (i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++);
2226 for (j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++);
2228 if (j >= MAX_FIDS) {
2229 netif_stop_queue(dev);
2231 if (i == MAX_FIDS) {
2232 dev->stats.tx_fifo_errors++;
2233 return NETDEV_TX_BUSY;
2236 /* check min length*/
2237 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2238 /* Mark fid as used & save length for later */
2239 fids[i] |= (len << 16);
2240 priv->xmit11.skb = skb;
2241 priv->xmit11.fid = i;
2242 if (down_trylock(&priv->sem) != 0) {
2243 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2244 netif_stop_queue(dev);
2245 set_bit(JOB_XMIT11, &priv->jobs);
2246 wake_up_interruptible(&priv->thr_wait);
2248 airo_end_xmit11(dev);
2249 return NETDEV_TX_OK;
2252 static void airo_read_stats(struct net_device *dev)
2254 struct airo_info *ai = dev->ml_priv;
2256 __le32 *vals = stats_rid.vals;
2258 clear_bit(JOB_STATS, &ai->jobs);
2259 if (ai->power.event) {
2263 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2266 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2267 le32_to_cpu(vals[45]);
2268 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2269 le32_to_cpu(vals[41]);
2270 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2271 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2272 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2273 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2274 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2275 dev->stats.tx_fifo_errors;
2276 dev->stats.multicast = le32_to_cpu(vals[43]);
2277 dev->stats.collisions = le32_to_cpu(vals[89]);
2279 /* detailed rx_errors: */
2280 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2281 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2282 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2283 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2286 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2288 struct airo_info *local = dev->ml_priv;
2290 if (!test_bit(JOB_STATS, &local->jobs)) {
2291 /* Get stats out of the card if available */
2292 if (down_trylock(&local->sem) != 0) {
2293 set_bit(JOB_STATS, &local->jobs);
2294 wake_up_interruptible(&local->thr_wait);
2296 airo_read_stats(dev);
2302 static void airo_set_promisc(struct airo_info *ai)
2307 memset(&cmd, 0, sizeof(cmd));
2308 cmd.cmd = CMD_SETMODE;
2309 clear_bit(JOB_PROMISC, &ai->jobs);
2310 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2311 issuecommand(ai, &cmd, &rsp);
2315 static void airo_set_multicast_list(struct net_device *dev)
2317 struct airo_info *ai = dev->ml_priv;
2319 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2320 change_bit(FLAG_PROMISC, &ai->flags);
2321 if (down_trylock(&ai->sem) != 0) {
2322 set_bit(JOB_PROMISC, &ai->jobs);
2323 wake_up_interruptible(&ai->thr_wait);
2325 airo_set_promisc(ai);
2328 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2329 /* Turn on multicast. (Should be already setup...) */
2333 static int airo_set_mac_address(struct net_device *dev, void *p)
2335 struct airo_info *ai = dev->ml_priv;
2336 struct sockaddr *addr = p;
2338 readConfigRid(ai, 1);
2339 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2340 set_bit (FLAG_COMMIT, &ai->flags);
2342 writeConfigRid (ai, 1);
2344 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2346 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2350 static LIST_HEAD(airo_devices);
2352 static void add_airo_dev(struct airo_info *ai)
2354 /* Upper layers already keep track of PCI devices,
2355 * so we only need to remember our non-PCI cards. */
2357 list_add_tail(&ai->dev_list, &airo_devices);
2360 static void del_airo_dev(struct airo_info *ai)
2363 list_del(&ai->dev_list);
2366 static int airo_close(struct net_device *dev)
2368 struct airo_info *ai = dev->ml_priv;
2370 netif_stop_queue(dev);
2372 if (ai->wifidev != dev) {
2373 #ifdef POWER_ON_DOWN
2374 /* Shut power to the card. The idea is that the user can save
2375 * power when he doesn't need the card with "ifconfig down".
2376 * That's the method that is most friendly towards the network
2377 * stack (i.e. the network stack won't try to broadcast
2378 * anything on the interface and routes are gone. Jean II */
2379 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2382 disable_interrupts(ai);
2384 free_irq(dev->irq, dev);
2386 set_bit(JOB_DIE, &ai->jobs);
2387 kthread_stop(ai->airo_thread_task);
2392 void stop_airo_card(struct net_device *dev, int freeres)
2394 struct airo_info *ai = dev->ml_priv;
2396 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2398 disable_interrupts(ai);
2399 takedown_proc_entry(dev, ai);
2400 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2401 unregister_netdev(dev);
2403 unregister_netdev(ai->wifidev);
2404 free_netdev(ai->wifidev);
2407 clear_bit(FLAG_REGISTERED, &ai->flags);
2410 * Clean out tx queue
2412 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2413 struct sk_buff *skb = NULL;
2414 for (;(skb = skb_dequeue(&ai->txq));)
2418 airo_networks_free (ai);
2424 /* PCMCIA frees this stuff, so only for PCI and ISA */
2425 release_region(dev->base_addr, 64);
2426 if (test_bit(FLAG_MPI, &ai->flags)) {
2428 mpi_unmap_card(ai->pci);
2430 iounmap(ai->pcimem);
2432 iounmap(ai->pciaux);
2433 dma_free_coherent(&ai->pci->dev, PCI_SHARED_LEN,
2434 ai->shared, ai->shared_dma);
2437 crypto_free_sync_skcipher(ai->tfm);
2442 EXPORT_SYMBOL(stop_airo_card);
2444 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2446 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2450 static void mpi_unmap_card(struct pci_dev *pci)
2452 unsigned long mem_start = pci_resource_start(pci, 1);
2453 unsigned long mem_len = pci_resource_len(pci, 1);
2454 unsigned long aux_start = pci_resource_start(pci, 2);
2455 unsigned long aux_len = AUXMEMSIZE;
2457 release_mem_region(aux_start, aux_len);
2458 release_mem_region(mem_start, mem_len);
2461 /*************************************************************
2462 * This routine assumes that descriptors have been setup .
2463 * Run at insmod time or after reset when the descriptors
2464 * have been initialized . Returns 0 if all is well nz
2465 * otherwise . Does not allocate memory but sets up card
2466 * using previously allocated descriptors.
2468 static int mpi_init_descriptors (struct airo_info *ai)
2475 /* Alloc card RX descriptors */
2476 netif_stop_queue(ai->dev);
2478 memset(&rsp, 0, sizeof(rsp));
2479 memset(&cmd, 0, sizeof(cmd));
2481 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2484 cmd.parm2 = MPI_MAX_FIDS;
2485 rc = issuecommand(ai, &cmd, &rsp);
2486 if (rc != SUCCESS) {
2487 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2491 for (i = 0; i<MPI_MAX_FIDS; i++) {
2492 memcpy_toio(ai->rxfids[i].card_ram_off,
2493 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2496 /* Alloc card TX descriptors */
2498 memset(&rsp, 0, sizeof(rsp));
2499 memset(&cmd, 0, sizeof(cmd));
2501 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2504 cmd.parm2 = MPI_MAX_FIDS;
2506 for (i = 0; i<MPI_MAX_FIDS; i++) {
2507 ai->txfids[i].tx_desc.valid = 1;
2508 memcpy_toio(ai->txfids[i].card_ram_off,
2509 &ai->txfids[i].tx_desc, sizeof(TxFid));
2511 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2513 rc = issuecommand(ai, &cmd, &rsp);
2514 if (rc != SUCCESS) {
2515 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2519 /* Alloc card Rid descriptor */
2520 memset(&rsp, 0, sizeof(rsp));
2521 memset(&cmd, 0, sizeof(cmd));
2523 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2526 cmd.parm2 = 1; /* Magic number... */
2527 rc = issuecommand(ai, &cmd, &rsp);
2528 if (rc != SUCCESS) {
2529 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2533 memcpy_toio(ai->config_desc.card_ram_off,
2534 &ai->config_desc.rid_desc, sizeof(Rid));
2540 * We are setting up three things here:
2541 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2542 * 2) Map PCI memory for issuing commands.
2543 * 3) Allocate memory (shared) to send and receive ethernet frames.
2545 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2547 unsigned long mem_start, mem_len, aux_start, aux_len;
2550 dma_addr_t busaddroff;
2551 unsigned char *vpackoff;
2552 unsigned char __iomem *pciaddroff;
2554 mem_start = pci_resource_start(pci, 1);
2555 mem_len = pci_resource_len(pci, 1);
2556 aux_start = pci_resource_start(pci, 2);
2557 aux_len = AUXMEMSIZE;
2559 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2560 airo_print_err("", "Couldn't get region %x[%x]",
2561 (int)mem_start, (int)mem_len);
2564 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2565 airo_print_err("", "Couldn't get region %x[%x]",
2566 (int)aux_start, (int)aux_len);
2570 ai->pcimem = ioremap(mem_start, mem_len);
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)mem_start, (int)mem_len);
2576 ai->pciaux = ioremap(aux_start, aux_len);
2578 airo_print_err("", "Couldn't map region %x[%x]",
2579 (int)aux_start, (int)aux_len);
2583 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2584 ai->shared = dma_alloc_coherent(&pci->dev, PCI_SHARED_LEN,
2585 &ai->shared_dma, GFP_KERNEL);
2587 airo_print_err("", "Couldn't alloc_coherent %d",
2593 * Setup descriptor RX, TX, CONFIG
2595 busaddroff = ai->shared_dma;
2596 pciaddroff = ai->pciaux + AUX_OFFSET;
2597 vpackoff = ai->shared;
2599 /* RX descriptor setup */
2600 for (i = 0; i < MPI_MAX_FIDS; i++) {
2601 ai->rxfids[i].pending = 0;
2602 ai->rxfids[i].card_ram_off = pciaddroff;
2603 ai->rxfids[i].virtual_host_addr = vpackoff;
2604 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2605 ai->rxfids[i].rx_desc.valid = 1;
2606 ai->rxfids[i].rx_desc.len = PKTSIZE;
2607 ai->rxfids[i].rx_desc.rdy = 0;
2609 pciaddroff += sizeof(RxFid);
2610 busaddroff += PKTSIZE;
2611 vpackoff += PKTSIZE;
2614 /* TX descriptor setup */
2615 for (i = 0; i < MPI_MAX_FIDS; i++) {
2616 ai->txfids[i].card_ram_off = pciaddroff;
2617 ai->txfids[i].virtual_host_addr = vpackoff;
2618 ai->txfids[i].tx_desc.valid = 1;
2619 ai->txfids[i].tx_desc.host_addr = busaddroff;
2620 memcpy(ai->txfids[i].virtual_host_addr,
2621 &wifictlhdr8023, sizeof(wifictlhdr8023));
2623 pciaddroff += sizeof(TxFid);
2624 busaddroff += PKTSIZE;
2625 vpackoff += PKTSIZE;
2627 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2629 /* Rid descriptor setup */
2630 ai->config_desc.card_ram_off = pciaddroff;
2631 ai->config_desc.virtual_host_addr = vpackoff;
2632 ai->config_desc.rid_desc.host_addr = busaddroff;
2633 ai->ridbus = busaddroff;
2634 ai->config_desc.rid_desc.rid = 0;
2635 ai->config_desc.rid_desc.len = RIDSIZE;
2636 ai->config_desc.rid_desc.valid = 1;
2637 pciaddroff += sizeof(Rid);
2638 busaddroff += RIDSIZE;
2639 vpackoff += RIDSIZE;
2641 /* Tell card about descriptors */
2642 if (mpi_init_descriptors (ai) != SUCCESS)
2647 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared,
2650 iounmap(ai->pciaux);
2652 iounmap(ai->pcimem);
2654 release_mem_region(aux_start, aux_len);
2656 release_mem_region(mem_start, mem_len);
2661 static const struct header_ops airo_header_ops = {
2662 .parse = wll_header_parse,
2665 static const struct net_device_ops airo11_netdev_ops = {
2666 .ndo_open = airo_open,
2667 .ndo_stop = airo_close,
2668 .ndo_start_xmit = airo_start_xmit11,
2669 .ndo_get_stats = airo_get_stats,
2670 .ndo_set_mac_address = airo_set_mac_address,
2671 .ndo_do_ioctl = airo_ioctl,
2674 static void wifi_setup(struct net_device *dev)
2676 dev->netdev_ops = &airo11_netdev_ops;
2677 dev->header_ops = &airo_header_ops;
2678 dev->wireless_handlers = &airo_handler_def;
2680 dev->type = ARPHRD_IEEE80211;
2681 dev->hard_header_len = ETH_HLEN;
2682 dev->mtu = AIRO_DEF_MTU;
2684 dev->max_mtu = MIC_MSGLEN_MAX;
2685 dev->addr_len = ETH_ALEN;
2686 dev->tx_queue_len = 100;
2688 eth_broadcast_addr(dev->broadcast);
2690 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2693 static struct net_device *init_wifidev(struct airo_info *ai,
2694 struct net_device *ethdev)
2697 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2701 dev->ml_priv = ethdev->ml_priv;
2702 dev->irq = ethdev->irq;
2703 dev->base_addr = ethdev->base_addr;
2704 dev->wireless_data = ethdev->wireless_data;
2705 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2706 eth_hw_addr_inherit(dev, ethdev);
2707 err = register_netdev(dev);
2715 static int reset_card(struct net_device *dev, int lock)
2717 struct airo_info *ai = dev->ml_priv;
2719 if (lock && down_interruptible(&ai->sem))
2722 OUT4500(ai, COMMAND, CMD_SOFTRESET);
2731 #define AIRO_MAX_NETWORK_COUNT 64
2732 static int airo_networks_allocate(struct airo_info *ai)
2737 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2739 if (!ai->networks) {
2740 airo_print_warn("", "Out of memory allocating beacons");
2747 static void airo_networks_free(struct airo_info *ai)
2749 kfree(ai->networks);
2750 ai->networks = NULL;
2753 static void airo_networks_initialize(struct airo_info *ai)
2757 INIT_LIST_HEAD(&ai->network_free_list);
2758 INIT_LIST_HEAD(&ai->network_list);
2759 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2760 list_add_tail(&ai->networks[i].list,
2761 &ai->network_free_list);
2764 static const struct net_device_ops airo_netdev_ops = {
2765 .ndo_open = airo_open,
2766 .ndo_stop = airo_close,
2767 .ndo_start_xmit = airo_start_xmit,
2768 .ndo_get_stats = airo_get_stats,
2769 .ndo_set_rx_mode = airo_set_multicast_list,
2770 .ndo_set_mac_address = airo_set_mac_address,
2771 .ndo_do_ioctl = airo_ioctl,
2772 .ndo_validate_addr = eth_validate_addr,
2775 static const struct net_device_ops mpi_netdev_ops = {
2776 .ndo_open = airo_open,
2777 .ndo_stop = airo_close,
2778 .ndo_start_xmit = mpi_start_xmit,
2779 .ndo_get_stats = airo_get_stats,
2780 .ndo_set_rx_mode = airo_set_multicast_list,
2781 .ndo_set_mac_address = airo_set_mac_address,
2782 .ndo_do_ioctl = airo_ioctl,
2783 .ndo_validate_addr = eth_validate_addr,
2787 static struct net_device *_init_airo_card(unsigned short irq, int port,
2788 int is_pcmcia, struct pci_dev *pci,
2789 struct device *dmdev)
2791 struct net_device *dev;
2792 struct airo_info *ai;
2794 CapabilityRid cap_rid;
2796 /* Create the network device object. */
2797 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2799 airo_print_err("", "Couldn't alloc_etherdev");
2803 ai = dev->ml_priv = netdev_priv(dev);
2805 ai->flags = 1 << FLAG_RADIO_DOWN;
2808 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2809 airo_print_dbg("", "Found an MPI350 card");
2810 set_bit(FLAG_MPI, &ai->flags);
2812 spin_lock_init(&ai->aux_lock);
2813 sema_init(&ai->sem, 1);
2816 init_waitqueue_head (&ai->thr_wait);
2819 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2821 if (airo_networks_allocate (ai))
2823 airo_networks_initialize (ai);
2825 skb_queue_head_init (&ai->txq);
2827 /* The Airo-specific entries in the device structure. */
2828 if (test_bit(FLAG_MPI,&ai->flags))
2829 dev->netdev_ops = &mpi_netdev_ops;
2831 dev->netdev_ops = &airo_netdev_ops;
2832 dev->wireless_handlers = &airo_handler_def;
2833 ai->wireless_data.spy_data = &ai->spy_data;
2834 dev->wireless_data = &ai->wireless_data;
2836 dev->base_addr = port;
2837 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2838 dev->max_mtu = MIC_MSGLEN_MAX;
2840 SET_NETDEV_DEV(dev, dmdev);
2842 reset_card (dev, 1);
2846 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2848 airo_print_err(dev->name, "Couldn't request region");
2853 if (test_bit(FLAG_MPI,&ai->flags)) {
2854 if (mpi_map_card(ai, pci)) {
2855 airo_print_err("", "Could not map memory");
2861 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2862 airo_print_err(dev->name, "MAC could not be enabled");
2866 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2867 ai->bap_read = fast_bap_read;
2868 set_bit(FLAG_FLASHING, &ai->flags);
2871 strcpy(dev->name, "eth%d");
2872 rc = register_netdev(dev);
2874 airo_print_err(dev->name, "Couldn't register_netdev");
2877 ai->wifidev = init_wifidev(ai, dev);
2881 rc = readCapabilityRid(ai, &cap_rid, 1);
2882 if (rc != SUCCESS) {
2886 /* WEP capability discovery */
2887 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2888 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2890 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2891 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2892 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2893 le16_to_cpu(cap_rid.softSubVer));
2895 /* Test for WPA support */
2896 /* Only firmware versions 5.30.17 or better can do WPA */
2897 if (le16_to_cpu(cap_rid.softVer) > 0x530
2898 || (le16_to_cpu(cap_rid.softVer) == 0x530
2899 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2900 airo_print_info(ai->dev->name, "WPA supported.");
2902 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2903 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2904 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2905 ai->bssListRidLen = sizeof(BSSListRid);
2907 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2908 "versions older than 5.30.17.");
2910 ai->bssListFirst = RID_BSSLISTFIRST;
2911 ai->bssListNext = RID_BSSLISTNEXT;
2912 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2915 set_bit(FLAG_REGISTERED,&ai->flags);
2916 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2918 /* Allocate the transmit buffers */
2919 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2920 for (i = 0; i < MAX_FIDS; i++)
2921 ai->fids[i] = transmit_allocate(ai, AIRO_DEF_MTU, i>=MAX_FIDS/2);
2923 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2929 unregister_netdev(ai->wifidev);
2930 free_netdev(ai->wifidev);
2932 unregister_netdev(dev);
2934 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2935 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared,
2937 iounmap(ai->pciaux);
2938 iounmap(ai->pcimem);
2939 mpi_unmap_card(ai->pci);
2943 release_region(dev->base_addr, 64);
2945 airo_networks_free(ai);
2952 struct net_device *init_airo_card(unsigned short irq, int port, int is_pcmcia,
2953 struct device *dmdev)
2955 return _init_airo_card (irq, port, is_pcmcia, NULL, dmdev);
2958 EXPORT_SYMBOL(init_airo_card);
2960 static int waitbusy (struct airo_info *ai)
2963 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2965 if ((++delay % 20) == 0)
2966 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2968 return delay < 10000;
2971 int reset_airo_card(struct net_device *dev)
2974 struct airo_info *ai = dev->ml_priv;
2976 if (reset_card (dev, 1))
2979 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2980 airo_print_err(dev->name, "MAC could not be enabled");
2983 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2984 /* Allocate the transmit buffers if needed */
2985 if (!test_bit(FLAG_MPI,&ai->flags))
2986 for (i = 0; i < MAX_FIDS; i++)
2987 ai->fids[i] = transmit_allocate (ai, AIRO_DEF_MTU, i>=MAX_FIDS/2);
2989 enable_interrupts(ai);
2990 netif_wake_queue(dev);
2994 EXPORT_SYMBOL(reset_airo_card);
2996 static void airo_send_event(struct net_device *dev)
2998 struct airo_info *ai = dev->ml_priv;
2999 union iwreq_data wrqu;
3000 StatusRid status_rid;
3002 clear_bit(JOB_EVENT, &ai->jobs);
3003 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3005 wrqu.data.length = 0;
3006 wrqu.data.flags = 0;
3007 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3008 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3010 /* Send event to user space */
3011 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3014 static void airo_process_scan_results (struct airo_info *ai)
3016 union iwreq_data wrqu;
3019 BSSListElement * loop_net;
3020 BSSListElement * tmp_net;
3022 /* Blow away current list of scan results */
3023 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3024 list_move_tail (&loop_net->list, &ai->network_free_list);
3025 /* Don't blow away ->list, just BSS data */
3026 memset (loop_net, 0, sizeof (loop_net->bss));
3029 /* Try to read the first entry of the scan result */
3030 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3031 if ((rc) || (bss.index == cpu_to_le16(0xffff))) {
3032 /* No scan results */
3036 /* Read and parse all entries */
3038 while ((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3039 /* Grab a network off the free list */
3040 if (!list_empty(&ai->network_free_list)) {
3041 tmp_net = list_entry(ai->network_free_list.next,
3042 BSSListElement, list);
3043 list_del(ai->network_free_list.next);
3046 if (tmp_net != NULL) {
3047 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3048 list_add_tail(&tmp_net->list, &ai->network_list);
3052 /* Read next entry */
3053 rc = PC4500_readrid(ai, ai->bssListNext,
3054 &bss, ai->bssListRidLen, 0);
3058 /* write APList back (we cleared it in airo_set_scan) */
3060 writeAPListRid(ai, &ai->APList, 0);
3063 ai->scan_timeout = 0;
3064 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3067 /* Send an empty event to user space.
3068 * We don't send the received data on
3069 * the event because it would require
3070 * us to do complex transcoding, and
3071 * we want to minimise the work done in
3072 * the irq handler. Use a request to
3073 * extract the data - Jean II */
3074 wrqu.data.length = 0;
3075 wrqu.data.flags = 0;
3076 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3079 static int airo_thread(void *data)
3081 struct net_device *dev = data;
3082 struct airo_info *ai = dev->ml_priv;
3087 /* make swsusp happy with our thread */
3090 if (test_bit(JOB_DIE, &ai->jobs))
3094 locked = down_interruptible(&ai->sem);
3096 wait_queue_entry_t wait;
3098 init_waitqueue_entry(&wait, current);
3099 add_wait_queue(&ai->thr_wait, &wait);
3101 set_current_state(TASK_INTERRUPTIBLE);
3104 if (ai->expires || ai->scan_timeout) {
3105 if (ai->scan_timeout &&
3106 time_after_eq(jiffies, ai->scan_timeout)) {
3107 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3109 } else if (ai->expires &&
3110 time_after_eq(jiffies, ai->expires)) {
3111 set_bit(JOB_AUTOWEP, &ai->jobs);
3114 if (!kthread_should_stop() &&
3115 !freezing(current)) {
3116 unsigned long wake_at;
3117 if (!ai->expires || !ai->scan_timeout) {
3118 wake_at = max(ai->expires,
3121 wake_at = min(ai->expires,
3124 schedule_timeout(wake_at - jiffies);
3127 } else if (!kthread_should_stop() &&
3128 !freezing(current)) {
3134 __set_current_state(TASK_RUNNING);
3135 remove_wait_queue(&ai->thr_wait, &wait);
3142 if (test_bit(JOB_DIE, &ai->jobs)) {
3147 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3152 if (test_bit(JOB_XMIT, &ai->jobs))
3154 else if (test_bit(JOB_XMIT11, &ai->jobs))
3155 airo_end_xmit11(dev);
3156 else if (test_bit(JOB_STATS, &ai->jobs))
3157 airo_read_stats(dev);
3158 else if (test_bit(JOB_WSTATS, &ai->jobs))
3159 airo_read_wireless_stats(ai);
3160 else if (test_bit(JOB_PROMISC, &ai->jobs))
3161 airo_set_promisc(ai);
3162 else if (test_bit(JOB_MIC, &ai->jobs))
3164 else if (test_bit(JOB_EVENT, &ai->jobs))
3165 airo_send_event(dev);
3166 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3168 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3169 airo_process_scan_results(ai);
3170 else /* Shouldn't get here, but we make sure to unlock */
3177 static int header_len(__le16 ctl)
3179 u16 fc = le16_to_cpu(ctl);
3182 if ((fc & 0xe0) == 0xc0)
3183 return 10; /* one-address control packet */
3184 return 16; /* two-address control packet */
3186 if ((fc & 0x300) == 0x300)
3187 return 30; /* WDS packet */
3192 static void airo_handle_cisco_mic(struct airo_info *ai)
3194 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3195 set_bit(JOB_MIC, &ai->jobs);
3196 wake_up_interruptible(&ai->thr_wait);
3200 /* Airo Status codes */
3201 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3202 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3203 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3204 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3205 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3206 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3207 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3208 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3209 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3210 #define STAT_ASSOC 0x0400 /* Associated */
3211 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3213 static void airo_print_status(const char *devname, u16 status)
3215 u8 reason = status & 0xFF;
3217 switch (status & 0xFF00) {
3221 airo_print_dbg(devname, "link lost (missed beacons)");
3223 case STAT_MAXRETRIES:
3225 airo_print_dbg(devname, "link lost (max retries)");
3227 case STAT_FORCELOSS:
3228 airo_print_dbg(devname, "link lost (local choice)");
3231 airo_print_dbg(devname, "link lost (TSF sync lost)");
3234 airo_print_dbg(devname, "unknown status %x\n", status);
3239 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3242 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3244 case STAT_ASSOC_FAIL:
3245 airo_print_dbg(devname, "association failed (reason: %d)",
3248 case STAT_AUTH_FAIL:
3249 airo_print_dbg(devname, "authentication failed (reason: %d)",
3256 airo_print_dbg(devname, "unknown status %x\n", status);
3261 static void airo_handle_link(struct airo_info *ai)
3263 union iwreq_data wrqu;
3264 int scan_forceloss = 0;
3267 /* Get new status and acknowledge the link change */
3268 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3269 OUT4500(ai, EVACK, EV_LINK);
3271 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3274 airo_print_status(ai->dev->name, status);
3276 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3279 if (ai->list_bss_task)
3280 wake_up_process(ai->list_bss_task);
3281 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3282 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3284 if (down_trylock(&ai->sem) != 0) {
3285 set_bit(JOB_EVENT, &ai->jobs);
3286 wake_up_interruptible(&ai->thr_wait);
3288 airo_send_event(ai->dev);
3289 netif_carrier_on(ai->dev);
3290 } else if (!scan_forceloss) {
3291 if (auto_wep && !ai->expires) {
3292 ai->expires = RUN_AT(3*HZ);
3293 wake_up_interruptible(&ai->thr_wait);
3296 /* Send event to user space */
3297 eth_zero_addr(wrqu.ap_addr.sa_data);
3298 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3299 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3300 netif_carrier_off(ai->dev);
3302 netif_carrier_off(ai->dev);
3306 static void airo_handle_rx(struct airo_info *ai)
3308 struct sk_buff *skb = NULL;
3309 __le16 fc, v, *buffer, tmpbuf[4];
3310 u16 len, hdrlen = 0, gap, fid;
3314 if (test_bit(FLAG_MPI, &ai->flags)) {
3315 if (test_bit(FLAG_802_11, &ai->flags))
3316 mpi_receive_802_11(ai);
3318 mpi_receive_802_3(ai);
3319 OUT4500(ai, EVACK, EV_RX);
3323 fid = IN4500(ai, RXFID);
3325 /* Get the packet length */
3326 if (test_bit(FLAG_802_11, &ai->flags)) {
3327 bap_setup (ai, fid, 4, BAP0);
3328 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3329 /* Bad CRC. Ignore packet */
3330 if (le16_to_cpu(hdr.status) & 2)
3332 if (ai->wifidev == NULL)
3335 bap_setup(ai, fid, 0x36, BAP0);
3336 bap_read(ai, &hdr.len, 2, BAP0);
3338 len = le16_to_cpu(hdr.len);
3340 if (len > AIRO_DEF_MTU) {
3341 airo_print_err(ai->dev->name, "Bad size %d", len);
3347 if (test_bit(FLAG_802_11, &ai->flags)) {
3348 bap_read(ai, &fc, sizeof (fc), BAP0);
3349 hdrlen = header_len(fc);
3351 hdrlen = ETH_ALEN * 2;
3353 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3355 ai->dev->stats.rx_dropped++;
3359 skb_reserve(skb, 2); /* This way the IP header is aligned */
3360 buffer = skb_put(skb, len + hdrlen);
3361 if (test_bit(FLAG_802_11, &ai->flags)) {
3363 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3365 bap_read(ai, tmpbuf, 6, BAP0);
3367 bap_read(ai, &v, sizeof(v), BAP0);
3368 gap = le16_to_cpu(v);
3371 bap_read(ai, tmpbuf, gap, BAP0);
3373 airo_print_err(ai->dev->name, "gaplen too "
3374 "big. Problems will follow...");
3377 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3381 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3382 if (ai->micstats.enabled) {
3383 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3384 if (ntohs(micbuf.typelen) > 0x05DC)
3385 bap_setup(ai, fid, 0x44, BAP0);
3387 if (len <= sizeof (micbuf)) {
3388 dev_kfree_skb_irq(skb);
3392 len -= sizeof(micbuf);
3393 skb_trim(skb, len + hdrlen);
3397 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3398 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3399 dev_kfree_skb_irq (skb);
3405 if (success && (ai->spy_data.spy_number > 0)) {
3407 struct iw_quality wstats;
3409 /* Prepare spy data : addr + qual */
3410 if (!test_bit(FLAG_802_11, &ai->flags)) {
3411 sa = (char *) buffer + 6;
3412 bap_setup(ai, fid, 8, BAP0);
3413 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3415 sa = (char *) buffer + 10;
3416 wstats.qual = hdr.rssi[0];
3418 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3420 wstats.level = (hdr.rssi[1] + 321) / 2;
3421 wstats.noise = ai->wstats.qual.noise;
3422 wstats.updated = IW_QUAL_LEVEL_UPDATED
3423 | IW_QUAL_QUAL_UPDATED
3425 /* Update spy records */
3426 wireless_spy_update(ai->dev, sa, &wstats);
3428 #endif /* WIRELESS_SPY */
3431 OUT4500(ai, EVACK, EV_RX);
3434 if (test_bit(FLAG_802_11, &ai->flags)) {
3435 skb_reset_mac_header(skb);
3436 skb->pkt_type = PACKET_OTHERHOST;
3437 skb->dev = ai->wifidev;
3438 skb->protocol = htons(ETH_P_802_2);
3440 skb->protocol = eth_type_trans(skb, ai->dev);
3441 skb->ip_summed = CHECKSUM_NONE;
3447 static void airo_handle_tx(struct airo_info *ai, u16 status)
3452 if (test_bit(FLAG_MPI, &ai->flags)) {
3453 unsigned long flags;
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, -1);
3458 spin_lock_irqsave(&ai->aux_lock, flags);
3459 if (!skb_queue_empty(&ai->txq)) {
3460 spin_unlock_irqrestore(&ai->aux_lock, flags);
3461 mpi_send_packet(ai->dev);
3463 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3464 spin_unlock_irqrestore(&ai->aux_lock, flags);
3465 netif_wake_queue(ai->dev);
3467 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 fid = IN4500(ai, TXCOMPLFID);
3473 for (i = 0; i < MAX_FIDS; i++) {
3474 if ((ai->fids[i] & 0xffff) == fid)
3479 if (status & EV_TXEXC)
3480 get_tx_error(ai, index);
3482 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3484 /* Set up to be used again */
3485 ai->fids[index] &= 0xffff;
3486 if (index < MAX_FIDS / 2) {
3487 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3488 netif_wake_queue(ai->dev);
3490 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3491 netif_wake_queue(ai->wifidev);
3494 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3495 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3499 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3501 struct net_device *dev = dev_id;
3502 u16 status, savedInterrupts = 0;
3503 struct airo_info *ai = dev->ml_priv;
3506 if (!netif_device_present(dev))
3510 status = IN4500(ai, EVSTAT);
3511 if (!(status & STATUS_INTS) || (status == 0xffff))
3516 if (status & EV_AWAKE) {
3517 OUT4500(ai, EVACK, EV_AWAKE);
3518 OUT4500(ai, EVACK, EV_AWAKE);
3521 if (!savedInterrupts) {
3522 savedInterrupts = IN4500(ai, EVINTEN);
3523 OUT4500(ai, EVINTEN, 0);
3526 if (status & EV_MIC) {
3527 OUT4500(ai, EVACK, EV_MIC);
3528 airo_handle_cisco_mic(ai);
3531 if (status & EV_LINK) {
3532 /* Link status changed */
3533 airo_handle_link(ai);
3536 /* Check to see if there is something to receive */
3540 /* Check to see if a packet has been transmitted */
3541 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3542 airo_handle_tx(ai, status);
3544 if (status & ~STATUS_INTS & ~IGNORE_INTS) {
3545 airo_print_warn(ai->dev->name, "Got weird status %x",
3546 status & ~STATUS_INTS & ~IGNORE_INTS);
3550 if (savedInterrupts)
3551 OUT4500(ai, EVINTEN, savedInterrupts);
3553 return IRQ_RETVAL(handled);
3557 * Routines to talk to the card
3561 * This was originally written for the 4500, hence the name
3562 * NOTE: If use with 8bit mode and SMP bad things will happen!
3563 * Why would some one do 8 bit IO in an SMP machine?!?
3565 static void OUT4500(struct airo_info *ai, u16 reg, u16 val)
3567 if (test_bit(FLAG_MPI,&ai->flags))
3570 outw(val, ai->dev->base_addr + reg);
3572 outb(val & 0xff, ai->dev->base_addr + reg);
3573 outb(val >> 8, ai->dev->base_addr + reg + 1);
3577 static u16 IN4500(struct airo_info *ai, u16 reg)
3581 if (test_bit(FLAG_MPI,&ai->flags))
3584 rc = inw(ai->dev->base_addr + reg);
3586 rc = inb(ai->dev->base_addr + reg);
3587 rc += ((int)inb(ai->dev->base_addr + reg + 1)) << 8;
3592 static int enable_MAC(struct airo_info *ai, int lock)
3598 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3599 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3600 * Note : we could try to use !netif_running(dev) in enable_MAC()
3601 * instead of this flag, but I don't trust it *within* the
3602 * open/close functions, and testing both flags together is
3603 * "cheaper" - Jean II */
3604 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3606 if (lock && down_interruptible(&ai->sem))
3607 return -ERESTARTSYS;
3609 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3610 memset(&cmd, 0, sizeof(cmd));
3611 cmd.cmd = MAC_ENABLE;
3612 rc = issuecommand(ai, &cmd, &rsp);
3614 set_bit(FLAG_ENABLED, &ai->flags);
3622 airo_print_err(ai->dev->name, "Cannot enable MAC");
3623 else if ((rsp.status & 0xFF00) != 0) {
3624 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3625 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3631 static void disable_MAC(struct airo_info *ai, int lock)
3636 if (lock == 1 && down_interruptible(&ai->sem))
3639 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3640 if (lock != 2) /* lock == 2 means don't disable carrier */
3641 netif_carrier_off(ai->dev);
3642 memset(&cmd, 0, sizeof(cmd));
3643 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3644 issuecommand(ai, &cmd, &rsp);
3645 clear_bit(FLAG_ENABLED, &ai->flags);
3651 static void enable_interrupts(struct airo_info *ai)
3653 /* Enable the interrupts */
3654 OUT4500(ai, EVINTEN, STATUS_INTS);
3657 static void disable_interrupts(struct airo_info *ai)
3659 OUT4500(ai, EVINTEN, 0);
3662 static void mpi_receive_802_3(struct airo_info *ai)
3666 struct sk_buff *skb;
3671 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3672 /* Make sure we got something */
3673 if (rxd.rdy && rxd.valid == 0) {
3675 if (len < 12 || len > 2048)
3678 skb = dev_alloc_skb(len);
3680 ai->dev->stats.rx_dropped++;
3683 buffer = skb_put(skb, len);
3684 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3685 if (ai->micstats.enabled) {
3687 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3689 if (ntohs(micbuf.typelen) <= 0x05DC) {
3690 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3693 off = sizeof(micbuf);
3694 skb_trim (skb, len - off);
3697 memcpy(buffer + ETH_ALEN * 2,
3698 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3699 len - ETH_ALEN * 2 - off);
3700 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3702 dev_kfree_skb_irq (skb);
3706 if (ai->spy_data.spy_number > 0) {
3708 struct iw_quality wstats;
3709 /* Prepare spy data : addr + qual */
3710 sa = buffer + ETH_ALEN;
3711 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3714 /* Update spy records */
3715 wireless_spy_update(ai->dev, sa, &wstats);
3717 #endif /* WIRELESS_SPY */
3719 skb->ip_summed = CHECKSUM_NONE;
3720 skb->protocol = eth_type_trans(skb, ai->dev);
3724 if (rxd.valid == 0) {
3728 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3732 static void mpi_receive_802_11(struct airo_info *ai)
3735 struct sk_buff *skb = NULL;
3736 u16 len, hdrlen = 0;
3741 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3743 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3744 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3746 /* Bad CRC. Ignore packet */
3747 if (le16_to_cpu(hdr.status) & 2)
3749 if (ai->wifidev == NULL)
3751 len = le16_to_cpu(hdr.len);
3752 if (len > AIRO_DEF_MTU) {
3753 airo_print_err(ai->dev->name, "Bad size %d", len);
3759 fc = get_unaligned((__le16 *)ptr);
3760 hdrlen = header_len(fc);
3762 skb = dev_alloc_skb(len + hdrlen + 2);
3764 ai->dev->stats.rx_dropped++;
3767 buffer = skb_put(skb, len + hdrlen);
3768 memcpy ((char *)buffer, ptr, hdrlen);
3772 gap = get_unaligned_le16(ptr);
3773 ptr += sizeof(__le16);
3778 airo_print_err(ai->dev->name,
3779 "gaplen too big. Problems will follow...");
3781 memcpy ((char *)buffer + hdrlen, ptr, len);
3783 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3784 if (ai->spy_data.spy_number > 0) {
3786 struct iw_quality wstats;
3787 /* Prepare spy data : addr + qual */
3788 sa = (char*)buffer + 10;
3789 wstats.qual = hdr.rssi[0];
3791 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3793 wstats.level = (hdr.rssi[1] + 321) / 2;
3794 wstats.noise = ai->wstats.qual.noise;
3795 wstats.updated = IW_QUAL_QUAL_UPDATED
3796 | IW_QUAL_LEVEL_UPDATED
3798 /* Update spy records */
3799 wireless_spy_update(ai->dev, sa, &wstats);
3801 #endif /* IW_WIRELESS_SPY */
3802 skb_reset_mac_header(skb);
3803 skb->pkt_type = PACKET_OTHERHOST;
3804 skb->dev = ai->wifidev;
3805 skb->protocol = htons(ETH_P_802_2);
3806 skb->ip_summed = CHECKSUM_NONE;
3810 if (rxd.valid == 0) {
3814 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3818 static inline void set_auth_type(struct airo_info *local, int auth_type)
3820 local->config.authType = auth_type;
3821 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3822 * Used by airo_set_auth()
3824 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3825 local->last_auth = auth_type;
3828 static int noinline_for_stack airo_readconfig(struct airo_info *ai, u8 *mac, int lock)
3831 /* large variables, so don't inline this function,
3832 * maybe change to kmalloc
3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3839 // general configuration (read/modify/write)
3840 status = readConfigRid(ai, lock);
3841 if (status != SUCCESS) return ERROR;
3843 status = readCapabilityRid(ai, &cap_rid, lock);
3844 if (status != SUCCESS) return ERROR;
3846 status = PC4500_readrid(ai, RID_RSSI, &rssi_rid, sizeof(rssi_rid), lock);
3847 if (status == SUCCESS) {
3848 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3849 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3854 if (cap_rid.softCap & cpu_to_le16(8))
3855 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3857 airo_print_warn(ai->dev->name, "unknown received signal "
3860 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3861 set_auth_type(ai, AUTH_OPEN);
3862 ai->config.modulation = MOD_CCK;
3864 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3865 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3866 micsetup(ai) == SUCCESS) {
3867 ai->config.opmode |= MODE_MIC;
3868 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3871 /* Save off the MAC */
3872 for (i = 0; i < ETH_ALEN; i++) {
3873 mac[i] = ai->config.macAddr[i];
3876 /* Check to see if there are any insmod configured
3879 memset(ai->config.rates, 0, sizeof(ai->config.rates));
3880 for (i = 0; i < 8 && rates[i]; i++) {
3881 ai->config.rates[i] = rates[i];
3884 set_bit (FLAG_COMMIT, &ai->flags);
3890 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3900 memset(&mySsid, 0, sizeof(mySsid));
3904 /* The NOP is the first step in getting the card going */
3906 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3907 if (lock && down_interruptible(&ai->sem))
3909 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3916 // Let's figure out if we need to use the AUX port
3917 if (!test_bit(FLAG_MPI,&ai->flags)) {
3918 cmd.cmd = CMD_ENABLEAUX;
3919 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3922 airo_print_err(ai->dev->name, "Error checking for AUX port");
3925 if (!aux_bap || rsp.status & 0xff00) {
3926 ai->bap_read = fast_bap_read;
3927 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3929 ai->bap_read = aux_bap_read;
3930 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3935 if (ai->config.len == 0) {
3936 status = airo_readconfig(ai, mac, lock);
3937 if (status != SUCCESS)
3941 /* Setup the SSIDs if present */
3944 for (i = 0; i < 3 && ssids[i]; i++) {
3945 size_t len = strlen(ssids[i]);
3948 mySsid.ssids[i].len = cpu_to_le16(len);
3949 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3951 mySsid.len = cpu_to_le16(sizeof(mySsid));
3954 status = writeConfigRid(ai, lock);
3955 if (status != SUCCESS) return ERROR;
3957 /* Set up the SSID list */
3959 status = writeSsidRid(ai, &mySsid, lock);
3960 if (status != SUCCESS) return ERROR;
3963 status = enable_MAC(ai, lock);
3964 if (status != SUCCESS)
3967 /* Grab the initial wep key, we gotta save it for auto_wep */
3968 rc = readWepKeyRid(ai, &wkr, 1, lock);
3969 if (rc == SUCCESS) do {
3970 lastindex = wkr.kindex;
3971 if (wkr.kindex == cpu_to_le16(0xffff)) {
3972 ai->defindex = wkr.mac[0];
3974 rc = readWepKeyRid(ai, &wkr, 0, lock);
3975 } while (lastindex != wkr.kindex);
3982 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp)
3984 // Im really paranoid about letting it run forever!
3985 int max_tries = 600000;
3987 if (IN4500(ai, EVSTAT) & EV_CMD)
3988 OUT4500(ai, EVACK, EV_CMD);
3990 OUT4500(ai, PARAM0, pCmd->parm0);
3991 OUT4500(ai, PARAM1, pCmd->parm1);
3992 OUT4500(ai, PARAM2, pCmd->parm2);
3993 OUT4500(ai, COMMAND, pCmd->cmd);
3995 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3996 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3997 // PC4500 didn't notice command, try again
3998 OUT4500(ai, COMMAND, pCmd->cmd);
3999 if (!in_atomic() && (max_tries & 255) == 0)
4003 if (max_tries == -1) {
4004 airo_print_err(ai->dev->name,
4005 "Max tries exceeded when issuing command");
4006 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
4007 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
4011 // command completed
4012 pRsp->status = IN4500(ai, STATUS);
4013 pRsp->rsp0 = IN4500(ai, RESP0);
4014 pRsp->rsp1 = IN4500(ai, RESP1);
4015 pRsp->rsp2 = IN4500(ai, RESP2);
4016 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
4017 airo_print_err(ai->dev->name,
4018 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
4019 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
4022 // clear stuck command busy if necessary
4023 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
4024 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
4026 // acknowledge processing the status/response
4027 OUT4500(ai, EVACK, EV_CMD);
4032 /* Sets up the bap to start exchange data. whichbap should
4033 * be one of the BAP0 or BAP1 defines. Locks should be held before
4035 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap)
4040 OUT4500(ai, SELECT0+whichbap, rid);
4041 OUT4500(ai, OFFSET0+whichbap, offset);
4043 int status = IN4500(ai, OFFSET0+whichbap);
4044 if (status & BAP_BUSY) {
4045 /* This isn't really a timeout, but its kinda
4050 } else if (status & BAP_ERR) {
4051 /* invalid rid or offset */
4052 airo_print_err(ai->dev->name, "BAP error %x %d",
4055 } else if (status & BAP_DONE) { // success
4058 if (!(max_tries--)) {
4059 airo_print_err(ai->dev->name,
4060 "BAP setup error too many retries\n");
4063 // -- PC4500 missed it, try again
4064 OUT4500(ai, SELECT0+whichbap, rid);
4065 OUT4500(ai, OFFSET0+whichbap, offset);
4070 /* should only be called by aux_bap_read. This aux function and the
4071 following use concepts not documented in the developers guide. I
4072 got them from a patch given to my by Aironet */
4073 static u16 aux_setup(struct airo_info *ai, u16 page,
4074 u16 offset, u16 *len)
4078 OUT4500(ai, AUXPAGE, page);
4079 OUT4500(ai, AUXOFF, 0);
4080 next = IN4500(ai, AUXDATA);
4081 *len = IN4500(ai, AUXDATA)&0xff;
4082 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4086 /* requires call to bap_setup() first */
4087 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4088 int bytelen, int whichbap)
4096 unsigned long flags;
4098 spin_lock_irqsave(&ai->aux_lock, flags);
4099 page = IN4500(ai, SWS0+whichbap);
4100 offset = IN4500(ai, SWS2+whichbap);
4101 next = aux_setup(ai, page, offset, &len);
4102 words = (bytelen+1)>>1;
4104 for (i = 0; i<words;) {
4106 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4108 insw(ai->dev->base_addr+DATA0+whichbap,
4111 insb(ai->dev->base_addr+DATA0+whichbap,
4112 pu16Dst+i, count << 1);
4115 next = aux_setup(ai, next, 4, &len);
4118 spin_unlock_irqrestore(&ai->aux_lock, flags);
4123 /* requires call to bap_setup() first */
4124 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4125 int bytelen, int whichbap)
4127 bytelen = (bytelen + 1) & (~1); // round up to even value
4129 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1);
4131 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen);
4135 /* requires call to bap_setup() first */
4136 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4137 int bytelen, int whichbap)
4139 bytelen = (bytelen + 1) & (~1); // round up to even value
4141 outsw(ai->dev->base_addr+DATA0+whichbap,
4142 pu16Src, bytelen>>1);
4144 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen);
4148 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4150 Cmd cmd; /* for issuing commands */
4151 Resp rsp; /* response from commands */
4154 memset(&cmd, 0, sizeof(cmd));
4157 status = issuecommand(ai, &cmd, &rsp);
4158 if (status != 0) return status;
4159 if ((rsp.status & 0x7F00) != 0) {
4160 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4165 /* Note, that we are using BAP1 which is also used by transmit, so
4166 * we must get a lock. */
4167 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4173 if (down_interruptible(&ai->sem))
4176 if (test_bit(FLAG_MPI,&ai->flags)) {
4180 memset(&cmd, 0, sizeof(cmd));
4181 memset(&rsp, 0, sizeof(rsp));
4182 ai->config_desc.rid_desc.valid = 1;
4183 ai->config_desc.rid_desc.len = RIDSIZE;
4184 ai->config_desc.rid_desc.rid = 0;
4185 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4187 cmd.cmd = CMD_ACCESS;
4190 memcpy_toio(ai->config_desc.card_ram_off,
4191 &ai->config_desc.rid_desc, sizeof(Rid));
4193 rc = issuecommand(ai, &cmd, &rsp);
4195 if (rsp.status & 0x7f00)
4198 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4201 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4205 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4209 // read the rid length field
4210 bap_read(ai, pBuf, 2, BAP1);
4211 // length for remaining part of rid
4212 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4215 airo_print_err(ai->dev->name,
4216 "Rid %x has a length of %d which is too short",
4217 (int)rid, (int)len);
4221 // read remainder of the rid
4222 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4230 /* Note, that we are using BAP1 which is also used by transmit, so
4231 * make sure this isn't called when a transmit is happening */
4232 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4233 const void *pBuf, int len, int lock)
4238 *(__le16*)pBuf = cpu_to_le16((u16)len);
4241 if (down_interruptible(&ai->sem))
4244 if (test_bit(FLAG_MPI,&ai->flags)) {
4248 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4249 airo_print_err(ai->dev->name,
4250 "%s: MAC should be disabled (rid=%04x)",
4252 memset(&cmd, 0, sizeof(cmd));
4253 memset(&rsp, 0, sizeof(rsp));
4255 ai->config_desc.rid_desc.valid = 1;
4256 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4257 ai->config_desc.rid_desc.rid = 0;
4259 cmd.cmd = CMD_WRITERID;
4262 memcpy_toio(ai->config_desc.card_ram_off,
4263 &ai->config_desc.rid_desc, sizeof(Rid));
4265 if (len < 4 || len > 2047) {
4266 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4269 memcpy(ai->config_desc.virtual_host_addr,
4272 rc = issuecommand(ai, &cmd, &rsp);
4273 if ((rc & 0xff00) != 0) {
4274 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4276 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4280 if ((rsp.status & 0x7f00))
4284 // --- first access so that we can write the rid data
4285 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4289 // --- now write the rid data
4290 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4294 bap_write(ai, pBuf, len, BAP1);
4295 // ---now commit the rid data
4296 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4304 /* Allocates a FID to be used for transmitting packets. We only use
4306 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4308 unsigned int loop = 3000;
4314 cmd.cmd = CMD_ALLOCATETX;
4315 cmd.parm0 = lenPayload;
4316 if (down_interruptible(&ai->sem))
4318 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4322 if ((rsp.status & 0xFF00) != 0) {
4326 /* wait for the allocate event/indication
4327 * It makes me kind of nervous that this can just sit here and spin,
4328 * but in practice it only loops like four times. */
4329 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4335 // get the allocated fid and acknowledge
4336 txFid = IN4500(ai, TXALLOCFID);
4337 OUT4500(ai, EVACK, EV_ALLOC);
4339 /* The CARD is pretty cool since it converts the ethernet packet
4340 * into 802.11. Also note that we don't release the FID since we
4341 * will be using the same one over and over again. */
4342 /* We only have to setup the control once since we are not
4343 * releasing the fid. */
4345 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4346 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4348 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4349 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4350 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4353 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4361 /* In general BAP1 is dedicated to transmiting packets. However,
4362 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4363 Make sure the BAP1 spinlock is held when this is called. */
4364 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4375 if (len <= ETH_ALEN * 2) {
4376 airo_print_warn(ai->dev->name, "Short packet %d", len);
4379 len -= ETH_ALEN * 2;
4381 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4382 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4383 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS)
4385 miclen = sizeof(pMic);
4387 // packet is destination[6], source[6], payload[len-12]
4388 // write the payload length and dst/src/payload
4389 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4390 /* The hardware addresses aren't counted as part of the payload, so
4391 * we have to subtract the 12 bytes for the addresses off */
4392 payloadLen = cpu_to_le16(len + miclen);
4393 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1);
4394 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4396 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4397 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4398 // issue the transmit command
4399 memset(&cmd, 0, sizeof(cmd));
4400 cmd.cmd = CMD_TRANSMIT;
4402 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4403 if ((rsp.status & 0xFF00) != 0) return ERROR;
4407 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4409 __le16 fc, payloadLen;
4413 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4414 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4418 fc = *(__le16*)pPacket;
4419 hdrlen = header_len(fc);
4422 airo_print_warn(ai->dev->name, "Short packet %d", len);
4426 /* packet is 802.11 header + payload
4427 * write the payload length and dst/src/payload */
4428 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4429 /* The 802.11 header aren't counted as part of the payload, so
4430 * we have to subtract the header bytes off */
4431 payloadLen = cpu_to_le16(len-hdrlen);
4432 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1);
4433 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4434 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4435 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4437 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4438 // issue the transmit command
4439 memset(&cmd, 0, sizeof(cmd));
4440 cmd.cmd = CMD_TRANSMIT;
4442 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4443 if ((rsp.status & 0xFF00) != 0) return ERROR;
4448 * This is the proc_fs routines. It is a bit messier than I would
4449 * like! Feel free to clean it up!
4452 static ssize_t proc_read(struct file *file,
4453 char __user *buffer,
4457 static ssize_t proc_write(struct file *file,
4458 const char __user *buffer,
4461 static int proc_close(struct inode *inode, struct file *file);
4463 static int proc_stats_open(struct inode *inode, struct file *file);
4464 static int proc_statsdelta_open(struct inode *inode, struct file *file);
4465 static int proc_status_open(struct inode *inode, struct file *file);
4466 static int proc_SSID_open(struct inode *inode, struct file *file);
4467 static int proc_APList_open(struct inode *inode, struct file *file);
4468 static int proc_BSSList_open(struct inode *inode, struct file *file);
4469 static int proc_config_open(struct inode *inode, struct file *file);
4470 static int proc_wepkey_open(struct inode *inode, struct file *file);
4472 static const struct proc_ops proc_statsdelta_ops = {
4473 .proc_read = proc_read,
4474 .proc_open = proc_statsdelta_open,
4475 .proc_release = proc_close,
4476 .proc_lseek = default_llseek,
4479 static const struct proc_ops proc_stats_ops = {
4480 .proc_read = proc_read,
4481 .proc_open = proc_stats_open,
4482 .proc_release = proc_close,
4483 .proc_lseek = default_llseek,
4486 static const struct proc_ops proc_status_ops = {
4487 .proc_read = proc_read,
4488 .proc_open = proc_status_open,
4489 .proc_release = proc_close,
4490 .proc_lseek = default_llseek,
4493 static const struct proc_ops proc_SSID_ops = {
4494 .proc_read = proc_read,
4495 .proc_write = proc_write,
4496 .proc_open = proc_SSID_open,
4497 .proc_release = proc_close,
4498 .proc_lseek = default_llseek,
4501 static const struct proc_ops proc_BSSList_ops = {
4502 .proc_read = proc_read,
4503 .proc_write = proc_write,
4504 .proc_open = proc_BSSList_open,
4505 .proc_release = proc_close,
4506 .proc_lseek = default_llseek,
4509 static const struct proc_ops proc_APList_ops = {
4510 .proc_read = proc_read,
4511 .proc_write = proc_write,
4512 .proc_open = proc_APList_open,
4513 .proc_release = proc_close,
4514 .proc_lseek = default_llseek,
4517 static const struct proc_ops proc_config_ops = {
4518 .proc_read = proc_read,
4519 .proc_write = proc_write,
4520 .proc_open = proc_config_open,
4521 .proc_release = proc_close,
4522 .proc_lseek = default_llseek,
4525 static const struct proc_ops proc_wepkey_ops = {
4526 .proc_read = proc_read,
4527 .proc_write = proc_write,
4528 .proc_open = proc_wepkey_open,
4529 .proc_release = proc_close,
4530 .proc_lseek = default_llseek,
4533 static struct proc_dir_entry *airo_entry;
4542 void (*on_close) (struct inode *, struct file *);
4545 static int setup_proc_entry(struct net_device *dev,
4546 struct airo_info *apriv)
4548 struct proc_dir_entry *entry;
4550 /* First setup the device directory */
4551 strcpy(apriv->proc_name, dev->name);
4552 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4554 if (!apriv->proc_entry)
4556 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4558 /* Setup the StatsDelta */
4559 entry = proc_create_data("StatsDelta", 0444 & proc_perm,
4560 apriv->proc_entry, &proc_statsdelta_ops, dev);
4563 proc_set_user(entry, proc_kuid, proc_kgid);
4565 /* Setup the Stats */
4566 entry = proc_create_data("Stats", 0444 & proc_perm,
4567 apriv->proc_entry, &proc_stats_ops, dev);
4570 proc_set_user(entry, proc_kuid, proc_kgid);
4572 /* Setup the Status */
4573 entry = proc_create_data("Status", 0444 & proc_perm,
4574 apriv->proc_entry, &proc_status_ops, dev);
4577 proc_set_user(entry, proc_kuid, proc_kgid);
4579 /* Setup the Config */
4580 entry = proc_create_data("Config", proc_perm,
4581 apriv->proc_entry, &proc_config_ops, dev);
4584 proc_set_user(entry, proc_kuid, proc_kgid);
4586 /* Setup the SSID */
4587 entry = proc_create_data("SSID", proc_perm,
4588 apriv->proc_entry, &proc_SSID_ops, dev);
4591 proc_set_user(entry, proc_kuid, proc_kgid);
4593 /* Setup the APList */
4594 entry = proc_create_data("APList", proc_perm,
4595 apriv->proc_entry, &proc_APList_ops, dev);
4598 proc_set_user(entry, proc_kuid, proc_kgid);
4600 /* Setup the BSSList */
4601 entry = proc_create_data("BSSList", proc_perm,
4602 apriv->proc_entry, &proc_BSSList_ops, dev);
4605 proc_set_user(entry, proc_kuid, proc_kgid);
4607 /* Setup the WepKey */
4608 entry = proc_create_data("WepKey", proc_perm,
4609 apriv->proc_entry, &proc_wepkey_ops, dev);
4612 proc_set_user(entry, proc_kuid, proc_kgid);
4616 remove_proc_subtree(apriv->proc_name, airo_entry);
4620 static int takedown_proc_entry(struct net_device *dev,
4621 struct airo_info *apriv)
4623 remove_proc_subtree(apriv->proc_name, airo_entry);
4628 * What we want from the proc_fs is to be able to efficiently read
4629 * and write the configuration. To do this, we want to read the
4630 * configuration when the file is opened and write it when the file is
4631 * closed. So basically we allocate a read buffer at open and fill it
4632 * with data, and allocate a write buffer and read it at close.
4636 * The read routine is generic, it relies on the preallocated rbuffer
4637 * to supply the data.
4639 static ssize_t proc_read(struct file *file,
4640 char __user *buffer,
4644 struct proc_data *priv = file->private_data;
4649 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4654 * The write routine is generic, it fills in a preallocated rbuffer
4655 * to supply the data.
4657 static ssize_t proc_write(struct file *file,
4658 const char __user *buffer,
4663 struct proc_data *priv = file->private_data;
4668 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4671 priv->writelen = max_t(int, priv->writelen, *offset);
4676 static int proc_status_open(struct inode *inode, struct file *file)
4678 struct proc_data *data;
4679 struct net_device *dev = PDE_DATA(inode);
4680 struct airo_info *apriv = dev->ml_priv;
4681 CapabilityRid cap_rid;
4682 StatusRid status_rid;
4686 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
4688 data = file->private_data;
4689 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) {
4690 kfree (file->private_data);
4694 readStatusRid(apriv, &status_rid, 1);
4695 readCapabilityRid(apriv, &cap_rid, 1);
4697 mode = le16_to_cpu(status_rid.mode);
4699 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4700 mode & 1 ? "CFG ": "",
4701 mode & 2 ? "ACT ": "",
4702 mode & 0x10 ? "SYN ": "",
4703 mode & 0x20 ? "LNK ": "",
4704 mode & 0x40 ? "LEAP ": "",
4705 mode & 0x80 ? "PRIV ": "",
4706 mode & 0x100 ? "KEY ": "",
4707 mode & 0x200 ? "WEP ": "",
4708 mode & 0x8000 ? "ERR ": "");
4709 sprintf(data->rbuffer+i, "Mode: %x\n"
4710 "Signal Strength: %d\n"
4711 "Signal Quality: %d\n"
4716 "Driver Version: %s\n"
4717 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4718 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4719 "Software Version: %x\nSoftware Subversion: %x\n"
4720 "Boot block version: %x\n",
4721 le16_to_cpu(status_rid.mode),
4722 le16_to_cpu(status_rid.normalizedSignalStrength),
4723 le16_to_cpu(status_rid.signalQuality),
4724 le16_to_cpu(status_rid.SSIDlen),
4727 le16_to_cpu(status_rid.channel),
4728 le16_to_cpu(status_rid.currentXmitRate) / 2,
4733 le16_to_cpu(cap_rid.radioType),
4734 le16_to_cpu(cap_rid.country),
4735 le16_to_cpu(cap_rid.hardVer),
4736 le16_to_cpu(cap_rid.softVer),
4737 le16_to_cpu(cap_rid.softSubVer),
4738 le16_to_cpu(cap_rid.bootBlockVer));
4739 data->readlen = strlen(data->rbuffer);
4743 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4744 static int proc_statsdelta_open(struct inode *inode,
4747 if (file->f_mode&FMODE_WRITE) {
4748 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4750 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4753 static int proc_stats_open(struct inode *inode, struct file *file)
4755 return proc_stats_rid_open(inode, file, RID_STATS);
4758 static int proc_stats_rid_open(struct inode *inode,
4762 struct proc_data *data;
4763 struct net_device *dev = PDE_DATA(inode);
4764 struct airo_info *apriv = dev->ml_priv;
4767 __le32 *vals = stats.vals;
4770 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
4772 data = file->private_data;
4773 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) {
4774 kfree (file->private_data);
4778 readStatsRid(apriv, &stats, rid, 1);
4779 len = le16_to_cpu(stats.len);
4782 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4783 if (!statsLabels[i]) continue;
4784 if (j+strlen(statsLabels[i])+16>4096) {
4785 airo_print_warn(apriv->dev->name,
4786 "Potentially disastrous buffer overflow averted!");
4789 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4790 le32_to_cpu(vals[i]));
4793 airo_print_warn(apriv->dev->name, "Got a short rid");
4799 static int get_dec_u16(char *buffer, int *start, int limit)
4803 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4804 buffer[*start] <= '9'; (*start)++) {
4807 value += buffer[*start] - '0';
4809 if (!valid) return -1;
4813 static int airo_config_commit(struct net_device *dev,
4814 struct iw_request_info *info, void *zwrq,
4817 static inline int sniffing_mode(struct airo_info *ai)
4819 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4820 le16_to_cpu(RXMODE_RFMON);
4823 static void proc_config_on_close(struct inode *inode, struct file *file)
4825 struct proc_data *data = file->private_data;
4826 struct net_device *dev = PDE_DATA(inode);
4827 struct airo_info *ai = dev->ml_priv;
4830 if (!data->writelen) return;
4832 readConfigRid(ai, 1);
4833 set_bit (FLAG_COMMIT, &ai->flags);
4835 line = data->wbuffer;
4837 /*** Mode processing */
4838 if (!strncmp(line, "Mode: ", 6)) {
4840 if (sniffing_mode(ai))
4841 set_bit (FLAG_RESET, &ai->flags);
4842 ai->config.rmode &= ~RXMODE_FULL_MASK;
4843 clear_bit (FLAG_802_11, &ai->flags);
4844 ai->config.opmode &= ~MODE_CFG_MASK;
4845 ai->config.scanMode = SCANMODE_ACTIVE;
4846 if (line[0] == 'a') {
4847 ai->config.opmode |= MODE_STA_IBSS;
4849 ai->config.opmode |= MODE_STA_ESS;
4850 if (line[0] == 'r') {
4851 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4852 ai->config.scanMode = SCANMODE_PASSIVE;
4853 set_bit (FLAG_802_11, &ai->flags);
4854 } else if (line[0] == 'y') {
4855 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4856 ai->config.scanMode = SCANMODE_PASSIVE;
4857 set_bit (FLAG_802_11, &ai->flags);
4858 } else if (line[0] == 'l')
4859 ai->config.rmode |= RXMODE_LANMON;
4861 set_bit (FLAG_COMMIT, &ai->flags);
4864 /*** Radio status */
4865 else if (!strncmp(line,"Radio: ", 7)) {
4867 if (!strncmp(line,"off", 3)) {
4868 set_bit (FLAG_RADIO_OFF, &ai->flags);
4870 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4873 /*** NodeName processing */
4874 else if (!strncmp(line, "NodeName: ", 10)) {
4878 memset(ai->config.nodeName, 0, 16);
4879 /* Do the name, assume a space between the mode and node name */
4880 for (j = 0; j < 16 && line[j] != '\n'; j++) {
4881 ai->config.nodeName[j] = line[j];
4883 set_bit (FLAG_COMMIT, &ai->flags);
4886 /*** PowerMode processing */
4887 else if (!strncmp(line, "PowerMode: ", 11)) {
4889 if (!strncmp(line, "PSPCAM", 6)) {
4890 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4891 set_bit (FLAG_COMMIT, &ai->flags);
4892 } else if (!strncmp(line, "PSP", 3)) {
4893 ai->config.powerSaveMode = POWERSAVE_PSP;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4896 ai->config.powerSaveMode = POWERSAVE_CAM;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4899 } else if (!strncmp(line, "DataRates: ", 11)) {
4900 int v, i = 0, k = 0; /* i is index into line,
4901 k is index to rates */
4904 while ((v = get_dec_u16(line, &i, 3))!=-1) {
4905 ai->config.rates[k++] = (u8)v;
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if (!strncmp(line, "Channel: ", 9)) {
4913 v = get_dec_u16(line, &i, i+3);
4915 ai->config.channelSet = cpu_to_le16(v);
4916 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if (!strncmp(line, "XmitPower: ", 11)) {
4921 v = get_dec_u16(line, &i, i+3);
4923 ai->config.txPower = cpu_to_le16(v);
4924 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if (!strncmp(line, "WEP: ", 5)) {
4930 set_auth_type(ai, AUTH_SHAREDKEY);
4933 set_auth_type(ai, AUTH_ENCRYPT);
4936 set_auth_type(ai, AUTH_OPEN);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if (!strncmp(line, "LongRetryLimit: ", 16)) {
4944 v = get_dec_u16(line, &i, 3);
4945 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4946 ai->config.longRetryLimit = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) {
4952 v = get_dec_u16(line, &i, 3);
4953 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4954 ai->config.shortRetryLimit = cpu_to_le16(v);
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if (!strncmp(line, "RTSThreshold: ", 14)) {
4960 v = get_dec_u16(line, &i, 4);
4961 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4962 ai->config.rtsThres = cpu_to_le16(v);
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) {
4968 v = get_dec_u16(line, &i, 5);
4970 ai->config.txLifetime = cpu_to_le16(v);
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) {
4976 v = get_dec_u16(line, &i, 5);
4978 ai->config.rxLifetime = cpu_to_le16(v);
4979 set_bit (FLAG_COMMIT, &ai->flags);
4980 } else if (!strncmp(line, "TXDiversity: ", 13)) {
4981 ai->config.txDiversity =
4982 (line[13]=='l') ? 1 :
4983 ((line[13]=='r')? 2: 3);
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if (!strncmp(line, "RXDiversity: ", 13)) {
4986 ai->config.rxDiversity =
4987 (line[13]=='l') ? 1 :
4988 ((line[13]=='r')? 2: 3);
4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if (!strncmp(line, "FragThreshold: ", 15)) {
4994 v = get_dec_u16(line, &i, 4);
4995 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4996 v = v & 0xfffe; /* Make sure its even */
4997 ai->config.fragThresh = cpu_to_le16(v);
4998 set_bit (FLAG_COMMIT, &ai->flags);
4999 } else if (!strncmp(line, "Modulation: ", 12)) {
5002 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5005 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5007 } else if (!strncmp(line, "Preamble: ", 10)) {
5010 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5011 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5012 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5013 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5016 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5018 while (line[0] && line[0] != '\n') line++;
5019 if (line[0]) line++;
5021 airo_config_commit(dev, NULL, NULL, NULL);
5024 static const char *get_rmode(__le16 mode)
5026 switch(mode & RXMODE_MASK) {
5027 case RXMODE_RFMON: return "rfmon";
5028 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5029 case RXMODE_LANMON: return "lanmon";
5034 static int proc_config_open(struct inode *inode, struct file *file)
5036 struct proc_data *data;
5037 struct net_device *dev = PDE_DATA(inode);
5038 struct airo_info *ai = dev->ml_priv;
5042 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5044 data = file->private_data;
5045 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) {
5046 kfree (file->private_data);
5049 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) {
5050 kfree (data->rbuffer);
5051 kfree (file->private_data);
5054 data->maxwritelen = 2048;
5055 data->on_close = proc_config_on_close;
5057 readConfigRid(ai, 1);
5059 mode = ai->config.opmode & MODE_CFG_MASK;
5060 i = sprintf(data->rbuffer,
5065 "DataRates: %d %d %d %d %d %d %d %d\n"
5068 mode == MODE_STA_IBSS ? "adhoc" :
5069 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5070 mode == MODE_AP ? "AP" :
5071 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5072 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5073 ai->config.nodeName,
5074 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5075 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5076 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5078 (int)ai->config.rates[0],
5079 (int)ai->config.rates[1],
5080 (int)ai->config.rates[2],
5081 (int)ai->config.rates[3],
5082 (int)ai->config.rates[4],
5083 (int)ai->config.rates[5],
5084 (int)ai->config.rates[6],
5085 (int)ai->config.rates[7],
5086 le16_to_cpu(ai->config.channelSet),
5087 le16_to_cpu(ai->config.txPower)
5089 sprintf(data->rbuffer + i,
5090 "LongRetryLimit: %d\n"
5091 "ShortRetryLimit: %d\n"
5092 "RTSThreshold: %d\n"
5093 "TXMSDULifetime: %d\n"
5094 "RXMSDULifetime: %d\n"
5097 "FragThreshold: %d\n"
5101 le16_to_cpu(ai->config.longRetryLimit),
5102 le16_to_cpu(ai->config.shortRetryLimit),
5103 le16_to_cpu(ai->config.rtsThres),
5104 le16_to_cpu(ai->config.txLifetime),
5105 le16_to_cpu(ai->config.rxLifetime),
5106 ai->config.txDiversity == 1 ? "left" :
5107 ai->config.txDiversity == 2 ? "right" : "both",
5108 ai->config.rxDiversity == 1 ? "left" :
5109 ai->config.rxDiversity == 2 ? "right" : "both",
5110 le16_to_cpu(ai->config.fragThresh),
5111 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5112 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5113 ai->config.modulation == MOD_DEFAULT ? "default" :
5114 ai->config.modulation == MOD_CCK ? "cck" :
5115 ai->config.modulation == MOD_MOK ? "mok" : "error",
5116 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5117 ai->config.preamble == PREAMBLE_LONG ? "long" :
5118 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5120 data->readlen = strlen(data->rbuffer);
5124 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5126 struct proc_data *data = file->private_data;
5127 struct net_device *dev = PDE_DATA(inode);
5128 struct airo_info *ai = dev->ml_priv;
5131 char *p = data->wbuffer;
5132 char *end = p + data->writelen;
5134 if (!data->writelen)
5137 *end = '\n'; /* sentinel; we have space for it */
5139 memset(&SSID_rid, 0, sizeof(SSID_rid));
5141 for (i = 0; i < 3 && p < end; i++) {
5143 /* copy up to 32 characters from this line */
5144 while (*p != '\n' && j < 32)
5145 SSID_rid.ssids[i].ssid[j++] = *p++;
5148 SSID_rid.ssids[i].len = cpu_to_le16(j);
5149 /* skip to the beginning of the next line */
5150 while (*p++ != '\n')
5154 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5156 writeSsidRid(ai, &SSID_rid, 1);
5160 static void proc_APList_on_close(struct inode *inode, struct file *file)
5162 struct proc_data *data = file->private_data;
5163 struct net_device *dev = PDE_DATA(inode);
5164 struct airo_info *ai = dev->ml_priv;
5165 APListRid *APList_rid = &ai->APList;
5168 if (!data->writelen) return;
5170 memset(APList_rid, 0, sizeof(*APList_rid));
5171 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5173 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5174 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5177 writeAPListRid(ai, APList_rid, 1);
5181 /* This function wraps PC4500_writerid with a MAC disable */
5182 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data,
5188 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5193 /* Returns the WEP key at the specified index, or -1 if that key does
5194 * not exist. The buffer is assumed to be at least 16 bytes in length.
5196 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5202 rc = readWepKeyRid(ai, &wkr, 1, 1);
5206 lastindex = wkr.kindex;
5207 if (le16_to_cpu(wkr.kindex) == index) {
5208 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5209 memcpy(buf, wkr.key, klen);
5212 rc = readWepKeyRid(ai, &wkr, 0, 1);
5215 } while (lastindex != wkr.kindex);
5219 static int get_wep_tx_idx(struct airo_info *ai)
5225 rc = readWepKeyRid(ai, &wkr, 1, 1);
5229 lastindex = wkr.kindex;
5230 if (wkr.kindex == cpu_to_le16(0xffff))
5232 rc = readWepKeyRid(ai, &wkr, 0, 1);
5235 } while (lastindex != wkr.kindex);
5239 static int set_wep_key(struct airo_info *ai, u16 index, const u8 *key,
5240 u16 keylen, int perm, int lock)
5242 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5246 if (WARN_ON(keylen == 0))
5249 memset(&wkr, 0, sizeof(wkr));
5250 wkr.len = cpu_to_le16(sizeof(wkr));
5251 wkr.kindex = cpu_to_le16(index);
5252 wkr.klen = cpu_to_le16(keylen);
5253 memcpy(wkr.key, key, keylen);
5254 memcpy(wkr.mac, macaddr, ETH_ALEN);
5256 if (perm) disable_MAC(ai, lock);
5257 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5258 if (perm) enable_MAC(ai, lock);
5262 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5267 memset(&wkr, 0, sizeof(wkr));
5268 wkr.len = cpu_to_le16(sizeof(wkr));
5269 wkr.kindex = cpu_to_le16(0xffff);
5270 wkr.mac[0] = (char)index;
5273 ai->defindex = (char)index;
5274 disable_MAC(ai, lock);
5277 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5280 enable_MAC(ai, lock);
5284 static void proc_wepkey_on_close(struct inode *inode, struct file *file)
5286 struct proc_data *data;
5287 struct net_device *dev = PDE_DATA(inode);
5288 struct airo_info *ai = dev->ml_priv;
5294 memset(key, 0, sizeof(key));
5296 data = file->private_data;
5297 if (!data->writelen) return;
5299 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5300 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5301 index = data->wbuffer[0] - '0';
5302 if (data->wbuffer[1] == '\n') {
5303 rc = set_wep_tx_idx(ai, index, 1, 1);
5305 airo_print_err(ai->dev->name, "failed to set "
5306 "WEP transmit index to %d: %d.",
5313 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5317 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) {
5323 val = hex_to_bin(data->wbuffer[i+j]);
5325 airo_print_err(ai->dev->name, "WebKey passed invalid key hex");
5330 key[i/3] = (u8)val << 4;
5333 key[i/3] |= (u8)val;
5338 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5340 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5341 "%d: %d.", index, rc);
5345 static int proc_wepkey_open(struct inode *inode, struct file *file)
5347 struct proc_data *data;
5348 struct net_device *dev = PDE_DATA(inode);
5349 struct airo_info *ai = dev->ml_priv;
5356 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5358 memset(&wkr, 0, sizeof(wkr));
5359 data = file->private_data;
5360 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) {
5361 kfree (file->private_data);
5365 data->maxwritelen = 80;
5366 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) {
5367 kfree (data->rbuffer);
5368 kfree (file->private_data);
5371 data->on_close = proc_wepkey_on_close;
5373 ptr = data->rbuffer;
5374 strcpy(ptr, "No wep keys\n");
5375 rc = readWepKeyRid(ai, &wkr, 1, 1);
5376 if (rc == SUCCESS) do {
5377 lastindex = wkr.kindex;
5378 if (wkr.kindex == cpu_to_le16(0xffff)) {
5379 j += sprintf(ptr+j, "Tx key = %d\n",
5382 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5383 le16_to_cpu(wkr.kindex),
5384 le16_to_cpu(wkr.klen));
5386 readWepKeyRid(ai, &wkr, 0, 1);
5387 } while ((lastindex != wkr.kindex) && (j < 180-30));
5389 data->readlen = strlen(data->rbuffer);
5393 static int proc_SSID_open(struct inode *inode, struct file *file)
5395 struct proc_data *data;
5396 struct net_device *dev = PDE_DATA(inode);
5397 struct airo_info *ai = dev->ml_priv;
5402 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5404 data = file->private_data;
5405 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) {
5406 kfree (file->private_data);
5410 data->maxwritelen = 33*3;
5411 /* allocate maxwritelen + 1; we'll want a sentinel */
5412 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5413 kfree (data->rbuffer);
5414 kfree (file->private_data);
5417 data->on_close = proc_SSID_on_close;
5419 readSsidRid(ai, &SSID_rid);
5420 ptr = data->rbuffer;
5421 for (i = 0; i < 3; i++) {
5423 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5428 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5429 *ptr++ = SSID_rid.ssids[i].ssid[j];
5433 data->readlen = strlen(data->rbuffer);
5437 static int proc_APList_open(struct inode *inode, struct file *file)
5439 struct proc_data *data;
5440 struct net_device *dev = PDE_DATA(inode);
5441 struct airo_info *ai = dev->ml_priv;
5444 APListRid *APList_rid = &ai->APList;
5446 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5448 data = file->private_data;
5449 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) {
5450 kfree (file->private_data);
5454 data->maxwritelen = 4*6*3;
5455 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) {
5456 kfree (data->rbuffer);
5457 kfree (file->private_data);
5460 data->on_close = proc_APList_on_close;
5462 ptr = data->rbuffer;
5463 for (i = 0; i < 4; i++) {
5464 // We end when we find a zero MAC
5465 if (!*(int*)APList_rid->ap[i] &&
5466 !*(int*)&APList_rid->ap[i][2]) break;
5467 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5469 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5472 data->readlen = strlen(data->rbuffer);
5476 static int proc_BSSList_open(struct inode *inode, struct file *file)
5478 struct proc_data *data;
5479 struct net_device *dev = PDE_DATA(inode);
5480 struct airo_info *ai = dev->ml_priv;
5482 BSSListRid BSSList_rid;
5484 /* If doLoseSync is not 1, we won't do a Lose Sync */
5485 int doLoseSync = -1;
5487 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5489 data = file->private_data;
5490 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) {
5491 kfree (file->private_data);
5495 data->maxwritelen = 0;
5496 data->wbuffer = NULL;
5497 data->on_close = NULL;
5499 if (file->f_mode & FMODE_WRITE) {
5500 if (!(file->f_mode & FMODE_READ)) {
5504 if (ai->flags & FLAG_RADIO_MASK) {
5505 kfree(data->rbuffer);
5506 kfree(file->private_data);
5509 memset(&cmd, 0, sizeof(cmd));
5510 cmd.cmd = CMD_LISTBSS;
5511 if (down_interruptible(&ai->sem)) {
5512 kfree(data->rbuffer);
5513 kfree(file->private_data);
5514 return -ERESTARTSYS;
5516 issuecommand(ai, &cmd, &rsp);
5523 ptr = data->rbuffer;
5524 /* There is a race condition here if there are concurrent opens.
5525 Since it is a rare condition, we'll just live with it, otherwise
5526 we have to add a spin lock... */
5527 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5528 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5529 ptr += sprintf(ptr, "%pM %.*s rssi = %d",
5531 (int)BSSList_rid.ssidLen,
5533 le16_to_cpu(BSSList_rid.dBm));
5534 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5535 le16_to_cpu(BSSList_rid.dsChannel),
5536 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5537 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5538 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5539 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5540 rc = readBSSListRid(ai, 0, &BSSList_rid);
5543 data->readlen = strlen(data->rbuffer);
5547 static int proc_close(struct inode *inode, struct file *file)
5549 struct proc_data *data = file->private_data;
5551 if (data->on_close != NULL)
5552 data->on_close(inode, file);
5553 kfree(data->rbuffer);
5554 kfree(data->wbuffer);
5559 /* Since the card doesn't automatically switch to the right WEP mode,
5560 we will make it do it. If the card isn't associated, every secs we
5561 will switch WEP modes to see if that will help. If the card is
5562 associated we will check every minute to see if anything has
5564 static void timer_func(struct net_device *dev)
5566 struct airo_info *apriv = dev->ml_priv;
5568 /* We don't have a link so try changing the authtype */
5569 readConfigRid(apriv, 0);
5570 disable_MAC(apriv, 0);
5571 switch(apriv->config.authType) {
5573 /* So drop to OPEN */
5574 apriv->config.authType = AUTH_OPEN;
5576 case AUTH_SHAREDKEY:
5577 if (apriv->keyindex < auto_wep) {
5578 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5579 apriv->config.authType = AUTH_SHAREDKEY;
5582 /* Drop to ENCRYPT */
5583 apriv->keyindex = 0;
5584 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5585 apriv->config.authType = AUTH_ENCRYPT;
5588 default: /* We'll escalate to SHAREDKEY */
5589 apriv->config.authType = AUTH_SHAREDKEY;
5591 set_bit (FLAG_COMMIT, &apriv->flags);
5592 writeConfigRid(apriv, 0);
5593 enable_MAC(apriv, 0);
5596 /* Schedule check to see if the change worked */
5597 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5598 apriv->expires = RUN_AT(HZ*3);
5602 static int airo_pci_probe(struct pci_dev *pdev,
5603 const struct pci_device_id *pent)
5605 struct net_device *dev;
5607 if (pci_enable_device(pdev))
5609 pci_set_master(pdev);
5611 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5612 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5614 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5616 pci_disable_device(pdev);
5620 pci_set_drvdata(pdev, dev);
5624 static void airo_pci_remove(struct pci_dev *pdev)
5626 struct net_device *dev = pci_get_drvdata(pdev);
5628 airo_print_info(dev->name, "Unregistering...");
5629 stop_airo_card(dev, 1);
5630 pci_disable_device(pdev);
5633 static int __maybe_unused airo_pci_suspend(struct device *dev_d)
5635 struct net_device *dev = dev_get_drvdata(dev_d);
5636 struct airo_info *ai = dev->ml_priv;
5641 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5644 readSsidRid(ai, ai->SSID);
5645 memset(&cmd, 0, sizeof(cmd));
5646 /* the lock will be released at the end of the resume callback */
5647 if (down_interruptible(&ai->sem))
5650 netif_device_detach(dev);
5651 ai->power = PMSG_SUSPEND;
5652 cmd.cmd = HOSTSLEEP;
5653 issuecommand(ai, &cmd, &rsp);
5655 device_wakeup_enable(dev_d);
5659 static int __maybe_unused airo_pci_resume(struct device *dev_d)
5661 struct net_device *dev = dev_get_drvdata(dev_d);
5662 struct airo_info *ai = dev->ml_priv;
5663 pci_power_t prev_state = to_pci_dev(dev_d)->current_state;
5665 device_wakeup_disable(dev_d);
5667 if (prev_state != PCI_D1) {
5669 mpi_init_descriptors(ai);
5670 setup_card(ai, dev->dev_addr, 0);
5671 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5672 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5674 OUT4500(ai, EVACK, EV_AWAKEN);
5675 OUT4500(ai, EVACK, EV_AWAKEN);
5679 set_bit(FLAG_COMMIT, &ai->flags);
5683 writeSsidRid(ai, ai->SSID, 0);
5687 writeAPListRid(ai, &ai->APList, 0);
5688 writeConfigRid(ai, 0);
5690 ai->power = PMSG_ON;
5691 netif_device_attach(dev);
5692 netif_wake_queue(dev);
5693 enable_interrupts(ai);
5699 static int __init airo_init_module(void)
5703 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5704 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5705 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5708 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5711 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5713 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5714 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5715 "io = 0x%x", irq[i], io[i]);
5716 if (init_airo_card(irq[i], io[i], 0, NULL)) {
5722 airo_print_info("", "Probing for PCI adapters");
5723 i = pci_register_driver(&airo_driver);
5724 airo_print_info("", "Finished probing for PCI adapters");
5727 remove_proc_entry("driver/aironet", NULL);
5732 /* Always exit with success, as we are a library module
5733 * as well as a driver module
5738 static void __exit airo_cleanup_module(void)
5740 struct airo_info *ai;
5741 while (!list_empty(&airo_devices)) {
5742 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5743 airo_print_info(ai->dev->name, "Unregistering...");
5744 stop_airo_card(ai->dev, 1);
5747 pci_unregister_driver(&airo_driver);
5749 remove_proc_entry("driver/aironet", NULL);
5753 * Initial Wireless Extension code for Aironet driver by :
5754 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5755 * Conversion to new driver API by :
5756 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5757 * Javier also did a good amount of work here, adding some new extensions
5758 * and fixing my code. Let's just say that without him this code just
5759 * would not work at all... - Jean II
5762 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5767 return (0x100 - rssi_rid[rssi].rssidBm);
5770 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5777 for (i = 0; i < 256; i++)
5778 if (rssi_rid[i].rssidBm == dbm)
5779 return rssi_rid[i].rssipct;
5785 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5790 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5793 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5796 sq = le16_to_cpu(status_rid->signalQuality);
5797 if (memcmp(cap_rid->prodName, "350", 3))
5801 quality = 0x20 - sq;
5808 quality = 0xb0 - sq;
5812 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5813 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5815 /*------------------------------------------------------------------*/
5817 * Wireless Handler : get protocol name
5819 static int airo_get_name(struct net_device *dev,
5820 struct iw_request_info *info,
5824 strcpy(cwrq, "IEEE 802.11-DS");
5828 /*------------------------------------------------------------------*/
5830 * Wireless Handler : set frequency
5832 static int airo_set_freq(struct net_device *dev,
5833 struct iw_request_info *info,
5834 struct iw_freq *fwrq,
5837 struct airo_info *local = dev->ml_priv;
5838 int rc = -EINPROGRESS; /* Call commit handler */
5840 /* If setting by frequency, convert to a channel */
5842 int f = fwrq->m / 100000;
5844 /* Hack to fall through... */
5846 fwrq->m = ieee80211_frequency_to_channel(f);
5848 /* Setting by channel number */
5849 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5852 int channel = fwrq->m;
5853 /* We should do a better check than that,
5854 * based on the card capability !!! */
5855 if ((channel < 1) || (channel > 14)) {
5856 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5860 readConfigRid(local, 1);
5861 /* Yes ! We can set it !!! */
5862 local->config.channelSet = cpu_to_le16(channel);
5863 set_bit (FLAG_COMMIT, &local->flags);
5869 /*------------------------------------------------------------------*/
5871 * Wireless Handler : get frequency
5873 static int airo_get_freq(struct net_device *dev,
5874 struct iw_request_info *info,
5875 struct iw_freq *fwrq,
5878 struct airo_info *local = dev->ml_priv;
5879 StatusRid status_rid; /* Card status info */
5882 readConfigRid(local, 1);
5883 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5884 status_rid.channel = local->config.channelSet;
5886 readStatusRid(local, &status_rid, 1);
5888 ch = le16_to_cpu(status_rid.channel);
5889 if ((ch > 0) && (ch < 15)) {
5891 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5901 /*------------------------------------------------------------------*/
5903 * Wireless Handler : set ESSID
5905 static int airo_set_essid(struct net_device *dev,
5906 struct iw_request_info *info,
5907 struct iw_point *dwrq,
5910 struct airo_info *local = dev->ml_priv;
5911 SsidRid SSID_rid; /* SSIDs */
5913 /* Reload the list of current SSID */
5914 readSsidRid(local, &SSID_rid);
5916 /* Check if we asked for `any' */
5917 if (dwrq->flags == 0) {
5918 /* Just send an empty SSID list */
5919 memset(&SSID_rid, 0, sizeof(SSID_rid));
5921 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5923 /* Check the size of the string */
5924 if (dwrq->length > IW_ESSID_MAX_SIZE)
5927 /* Check if index is valid */
5928 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5932 memset(SSID_rid.ssids[index].ssid, 0,
5933 sizeof(SSID_rid.ssids[index].ssid));
5934 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5935 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5937 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5938 /* Write it to the card */
5939 disable_MAC(local, 1);
5940 writeSsidRid(local, &SSID_rid, 1);
5941 enable_MAC(local, 1);
5946 /*------------------------------------------------------------------*/
5948 * Wireless Handler : get ESSID
5950 static int airo_get_essid(struct net_device *dev,
5951 struct iw_request_info *info,
5952 struct iw_point *dwrq,
5955 struct airo_info *local = dev->ml_priv;
5956 StatusRid status_rid; /* Card status info */
5958 readStatusRid(local, &status_rid, 1);
5960 /* Note : if dwrq->flags != 0, we should
5961 * get the relevant SSID from the SSID list... */
5963 /* Get the current SSID */
5964 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5965 /* If none, we may want to get the one that was set */
5968 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5969 dwrq->flags = 1; /* active */
5974 /*------------------------------------------------------------------*/
5976 * Wireless Handler : set AP address
5978 static int airo_set_wap(struct net_device *dev,
5979 struct iw_request_info *info,
5980 struct sockaddr *awrq,
5983 struct airo_info *local = dev->ml_priv;
5986 APListRid *APList_rid = &local->APList;
5988 if (awrq->sa_family != ARPHRD_ETHER)
5990 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5991 is_zero_ether_addr(awrq->sa_data)) {
5992 memset(&cmd, 0, sizeof(cmd));
5993 cmd.cmd = CMD_LOSE_SYNC;
5994 if (down_interruptible(&local->sem))
5995 return -ERESTARTSYS;
5996 issuecommand(local, &cmd, &rsp);
5999 memset(APList_rid, 0, sizeof(*APList_rid));
6000 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
6001 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
6002 disable_MAC(local, 1);
6003 writeAPListRid(local, APList_rid, 1);
6004 enable_MAC(local, 1);
6009 /*------------------------------------------------------------------*/
6011 * Wireless Handler : get AP address
6013 static int airo_get_wap(struct net_device *dev,
6014 struct iw_request_info *info,
6015 struct sockaddr *awrq,
6018 struct airo_info *local = dev->ml_priv;
6019 StatusRid status_rid; /* Card status info */
6021 readStatusRid(local, &status_rid, 1);
6023 /* Tentative. This seems to work, wow, I'm lucky !!! */
6024 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6025 awrq->sa_family = ARPHRD_ETHER;
6030 /*------------------------------------------------------------------*/
6032 * Wireless Handler : set Nickname
6034 static int airo_set_nick(struct net_device *dev,
6035 struct iw_request_info *info,
6036 struct iw_point *dwrq,
6039 struct airo_info *local = dev->ml_priv;
6041 /* Check the size of the string */
6042 if (dwrq->length > 16) {
6045 readConfigRid(local, 1);
6046 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6047 memcpy(local->config.nodeName, extra, dwrq->length);
6048 set_bit (FLAG_COMMIT, &local->flags);
6050 return -EINPROGRESS; /* Call commit handler */
6053 /*------------------------------------------------------------------*/
6055 * Wireless Handler : get Nickname
6057 static int airo_get_nick(struct net_device *dev,
6058 struct iw_request_info *info,
6059 struct iw_point *dwrq,
6062 struct airo_info *local = dev->ml_priv;
6064 readConfigRid(local, 1);
6065 strncpy(extra, local->config.nodeName, 16);
6067 dwrq->length = strlen(extra);
6072 /*------------------------------------------------------------------*/
6074 * Wireless Handler : set Bit-Rate
6076 static int airo_set_rate(struct net_device *dev,
6077 struct iw_request_info *info,
6078 struct iw_param *vwrq,
6081 struct airo_info *local = dev->ml_priv;
6082 CapabilityRid cap_rid; /* Card capability info */
6086 /* First : get a valid bit rate value */
6087 readCapabilityRid(local, &cap_rid, 1);
6089 /* Which type of value ? */
6090 if ((vwrq->value < 8) && (vwrq->value >= 0)) {
6091 /* Setting by rate index */
6092 /* Find value in the magic rate table */
6093 brate = cap_rid.supportedRates[vwrq->value];
6095 /* Setting by frequency value */
6096 u8 normvalue = (u8) (vwrq->value/500000);
6098 /* Check if rate is valid */
6099 for (i = 0 ; i < 8 ; i++) {
6100 if (normvalue == cap_rid.supportedRates[i]) {
6106 /* -1 designed the max rate (mostly auto mode) */
6107 if (vwrq->value == -1) {
6108 /* Get the highest available rate */
6109 for (i = 0 ; i < 8 ; i++) {
6110 if (cap_rid.supportedRates[i] == 0)
6114 brate = cap_rid.supportedRates[i - 1];
6116 /* Check that it is valid */
6121 readConfigRid(local, 1);
6122 /* Now, check if we want a fixed or auto value */
6123 if (vwrq->fixed == 0) {
6124 /* Fill all the rates up to this max rate */
6125 memset(local->config.rates, 0, 8);
6126 for (i = 0 ; i < 8 ; i++) {
6127 local->config.rates[i] = cap_rid.supportedRates[i];
6128 if (local->config.rates[i] == brate)
6133 /* One rate, fixed */
6134 memset(local->config.rates, 0, 8);
6135 local->config.rates[0] = brate;
6137 set_bit (FLAG_COMMIT, &local->flags);
6139 return -EINPROGRESS; /* Call commit handler */
6142 /*------------------------------------------------------------------*/
6144 * Wireless Handler : get Bit-Rate
6146 static int airo_get_rate(struct net_device *dev,
6147 struct iw_request_info *info,
6148 struct iw_param *vwrq,
6151 struct airo_info *local = dev->ml_priv;
6152 StatusRid status_rid; /* Card status info */
6155 ret = readStatusRid(local, &status_rid, 1);
6159 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6160 /* If more than one rate, set auto */
6161 readConfigRid(local, 1);
6162 vwrq->fixed = (local->config.rates[1] == 0);
6167 /*------------------------------------------------------------------*/
6169 * Wireless Handler : set RTS threshold
6171 static int airo_set_rts(struct net_device *dev,
6172 struct iw_request_info *info,
6173 struct iw_param *vwrq,
6176 struct airo_info *local = dev->ml_priv;
6177 int rthr = vwrq->value;
6180 rthr = AIRO_DEF_MTU;
6181 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6184 readConfigRid(local, 1);
6185 local->config.rtsThres = cpu_to_le16(rthr);
6186 set_bit (FLAG_COMMIT, &local->flags);
6188 return -EINPROGRESS; /* Call commit handler */
6191 /*------------------------------------------------------------------*/
6193 * Wireless Handler : get RTS threshold
6195 static int airo_get_rts(struct net_device *dev,
6196 struct iw_request_info *info,
6197 struct iw_param *vwrq,
6200 struct airo_info *local = dev->ml_priv;
6202 readConfigRid(local, 1);
6203 vwrq->value = le16_to_cpu(local->config.rtsThres);
6204 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6210 /*------------------------------------------------------------------*/
6212 * Wireless Handler : set Fragmentation threshold
6214 static int airo_set_frag(struct net_device *dev,
6215 struct iw_request_info *info,
6216 struct iw_param *vwrq,
6219 struct airo_info *local = dev->ml_priv;
6220 int fthr = vwrq->value;
6223 fthr = AIRO_DEF_MTU;
6224 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6227 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6228 readConfigRid(local, 1);
6229 local->config.fragThresh = cpu_to_le16(fthr);
6230 set_bit (FLAG_COMMIT, &local->flags);
6232 return -EINPROGRESS; /* Call commit handler */
6235 /*------------------------------------------------------------------*/
6237 * Wireless Handler : get Fragmentation threshold
6239 static int airo_get_frag(struct net_device *dev,
6240 struct iw_request_info *info,
6241 struct iw_param *vwrq,
6244 struct airo_info *local = dev->ml_priv;
6246 readConfigRid(local, 1);
6247 vwrq->value = le16_to_cpu(local->config.fragThresh);
6248 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6254 /*------------------------------------------------------------------*/
6256 * Wireless Handler : set Mode of Operation
6258 static int airo_set_mode(struct net_device *dev,
6259 struct iw_request_info *info,
6263 struct airo_info *local = dev->ml_priv;
6266 readConfigRid(local, 1);
6267 if (sniffing_mode(local))
6272 local->config.opmode &= ~MODE_CFG_MASK;
6273 local->config.opmode |= MODE_STA_IBSS;
6274 local->config.rmode &= ~RXMODE_FULL_MASK;
6275 local->config.scanMode = SCANMODE_ACTIVE;
6276 clear_bit (FLAG_802_11, &local->flags);
6279 local->config.opmode &= ~MODE_CFG_MASK;
6280 local->config.opmode |= MODE_STA_ESS;
6281 local->config.rmode &= ~RXMODE_FULL_MASK;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6285 case IW_MODE_MASTER:
6286 local->config.opmode &= ~MODE_CFG_MASK;
6287 local->config.opmode |= MODE_AP;
6288 local->config.rmode &= ~RXMODE_FULL_MASK;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6292 case IW_MODE_REPEAT:
6293 local->config.opmode &= ~MODE_CFG_MASK;
6294 local->config.opmode |= MODE_AP_RPTR;
6295 local->config.rmode &= ~RXMODE_FULL_MASK;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6299 case IW_MODE_MONITOR:
6300 local->config.opmode &= ~MODE_CFG_MASK;
6301 local->config.opmode |= MODE_STA_ESS;
6302 local->config.rmode &= ~RXMODE_FULL_MASK;
6303 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6304 local->config.scanMode = SCANMODE_PASSIVE;
6305 set_bit (FLAG_802_11, &local->flags);
6311 set_bit (FLAG_RESET, &local->flags);
6312 set_bit (FLAG_COMMIT, &local->flags);
6314 return -EINPROGRESS; /* Call commit handler */
6317 /*------------------------------------------------------------------*/
6319 * Wireless Handler : get Mode of Operation
6321 static int airo_get_mode(struct net_device *dev,
6322 struct iw_request_info *info,
6326 struct airo_info *local = dev->ml_priv;
6328 readConfigRid(local, 1);
6329 /* If not managed, assume it's ad-hoc */
6330 switch (local->config.opmode & MODE_CFG_MASK) {
6332 *uwrq = IW_MODE_INFRA;
6335 *uwrq = IW_MODE_MASTER;
6338 *uwrq = IW_MODE_REPEAT;
6341 *uwrq = IW_MODE_ADHOC;
6347 static inline int valid_index(struct airo_info *ai, int index)
6349 return (index >= 0) && (index <= ai->max_wep_idx);
6352 /*------------------------------------------------------------------*/
6354 * Wireless Handler : set Encryption Key
6356 static int airo_set_encode(struct net_device *dev,
6357 struct iw_request_info *info,
6358 struct iw_point *dwrq,
6361 struct airo_info *local = dev->ml_priv;
6362 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6363 __le16 currentAuthType = local->config.authType;
6366 if (!local->wep_capable)
6369 readConfigRid(local, 1);
6371 /* Basic checking: do we have a key to set ?
6372 * Note : with the new API, it's impossible to get a NULL pointer.
6373 * Therefore, we need to check a key size == 0 instead.
6374 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6375 * when no key is present (only change flags), but older versions
6376 * don't do it. - Jean II */
6377 if (dwrq->length > 0) {
6379 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6382 /* Check the size of the key */
6383 if (dwrq->length > MAX_KEY_SIZE) {
6387 current_index = get_wep_tx_idx(local);
6388 if (current_index < 0)
6391 /* Check the index (none -> use current) */
6392 if (!valid_index(local, index))
6393 index = current_index;
6395 /* Set the length */
6396 if (dwrq->length > MIN_KEY_SIZE)
6397 key.len = MAX_KEY_SIZE;
6399 key.len = MIN_KEY_SIZE;
6400 /* Check if the key is not marked as invalid */
6401 if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
6403 memset(key.key, 0, MAX_KEY_SIZE);
6404 /* Copy the key in the driver */
6405 memcpy(key.key, extra, dwrq->length);
6406 /* Send the key to the card */
6407 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6409 airo_print_err(local->dev->name, "failed to set"
6410 " WEP key at index %d: %d.",
6415 /* WE specify that if a valid key is set, encryption
6416 * should be enabled (user may turn it off later)
6417 * This is also how "iwconfig ethX key on" works */
6418 if ((index == current_index) && (key.len > 0) &&
6419 (local->config.authType == AUTH_OPEN))
6420 set_auth_type(local, AUTH_ENCRYPT);
6422 /* Do we want to just set the transmit key index ? */
6423 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6424 if (valid_index(local, index)) {
6425 rc = set_wep_tx_idx(local, index, perm, 1);
6427 airo_print_err(local->dev->name, "failed to set"
6428 " WEP transmit index to %d: %d.",
6433 /* Don't complain if only change the mode */
6434 if (!(dwrq->flags & IW_ENCODE_MODE))
6438 /* Read the flags */
6439 if (dwrq->flags & IW_ENCODE_DISABLED)
6440 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6441 if (dwrq->flags & IW_ENCODE_RESTRICTED)
6442 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6443 if (dwrq->flags & IW_ENCODE_OPEN)
6444 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6445 /* Commit the changes to flags if needed */
6446 if (local->config.authType != currentAuthType)
6447 set_bit (FLAG_COMMIT, &local->flags);
6448 return -EINPROGRESS; /* Call commit handler */
6451 /*------------------------------------------------------------------*/
6453 * Wireless Handler : get Encryption Key
6455 static int airo_get_encode(struct net_device *dev,
6456 struct iw_request_info *info,
6457 struct iw_point *dwrq,
6460 struct airo_info *local = dev->ml_priv;
6461 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6465 if (!local->wep_capable)
6468 readConfigRid(local, 1);
6470 /* Check encryption mode */
6471 switch(local->config.authType) {
6473 dwrq->flags = IW_ENCODE_OPEN;
6475 case AUTH_SHAREDKEY:
6476 dwrq->flags = IW_ENCODE_RESTRICTED;
6480 dwrq->flags = IW_ENCODE_DISABLED;
6483 /* We can't return the key, so set the proper flag and return zero */
6484 dwrq->flags |= IW_ENCODE_NOKEY;
6485 memset(extra, 0, 16);
6487 /* Which key do we want ? -1 -> tx index */
6488 if (!valid_index(local, index)) {
6489 index = get_wep_tx_idx(local);
6493 dwrq->flags |= index + 1;
6495 /* Copy the key to the user buffer */
6496 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6497 if (wep_key_len < 0) {
6500 dwrq->length = wep_key_len;
6501 memcpy(extra, buf, dwrq->length);
6507 /*------------------------------------------------------------------*/
6509 * Wireless Handler : set extended Encryption parameters
6511 static int airo_set_encodeext(struct net_device *dev,
6512 struct iw_request_info *info,
6513 union iwreq_data *wrqu,
6516 struct airo_info *local = dev->ml_priv;
6517 struct iw_point *encoding = &wrqu->encoding;
6518 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6519 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1);
6520 __le16 currentAuthType = local->config.authType;
6521 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6524 if (!local->wep_capable)
6527 readConfigRid(local, 1);
6529 /* Determine and validate the key index */
6530 idx = encoding->flags & IW_ENCODE_INDEX;
6532 if (!valid_index(local, idx - 1))
6536 idx = get_wep_tx_idx(local);
6541 if (encoding->flags & IW_ENCODE_DISABLED)
6542 alg = IW_ENCODE_ALG_NONE;
6544 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6545 /* Only set transmit key index here, actual
6546 * key is set below if needed.
6548 rc = set_wep_tx_idx(local, idx, perm, 1);
6550 airo_print_err(local->dev->name, "failed to set "
6551 "WEP transmit index to %d: %d.",
6555 set_key = ext->key_len > 0 ? 1 : 0;
6559 /* Set the requested key first */
6560 memset(key.key, 0, MAX_KEY_SIZE);
6562 case IW_ENCODE_ALG_NONE:
6565 case IW_ENCODE_ALG_WEP:
6566 if (ext->key_len > MIN_KEY_SIZE) {
6567 key.len = MAX_KEY_SIZE;
6568 } else if (ext->key_len > 0) {
6569 key.len = MIN_KEY_SIZE;
6573 key_len = min (ext->key_len, key.len);
6574 memcpy(key.key, ext->key, key_len);
6580 rc = set_wep_tx_idx(local, idx, perm, 1);
6582 airo_print_err(local->dev->name,
6583 "failed to set WEP transmit index to %d: %d.",
6588 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6590 airo_print_err(local->dev->name,
6591 "failed to set WEP key at index %d: %d.",
6598 /* Read the flags */
6599 if (encoding->flags & IW_ENCODE_DISABLED)
6600 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6601 if (encoding->flags & IW_ENCODE_RESTRICTED)
6602 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6603 if (encoding->flags & IW_ENCODE_OPEN)
6604 set_auth_type(local, AUTH_ENCRYPT);
6605 /* Commit the changes to flags if needed */
6606 if (local->config.authType != currentAuthType)
6607 set_bit (FLAG_COMMIT, &local->flags);
6609 return -EINPROGRESS;
6613 /*------------------------------------------------------------------*/
6615 * Wireless Handler : get extended Encryption parameters
6617 static int airo_get_encodeext(struct net_device *dev,
6618 struct iw_request_info *info,
6619 union iwreq_data *wrqu,
6622 struct airo_info *local = dev->ml_priv;
6623 struct iw_point *encoding = &wrqu->encoding;
6624 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6625 int idx, max_key_len, wep_key_len;
6628 if (!local->wep_capable)
6631 readConfigRid(local, 1);
6633 max_key_len = encoding->length - sizeof(*ext);
6634 if (max_key_len < 0)
6637 idx = encoding->flags & IW_ENCODE_INDEX;
6639 if (!valid_index(local, idx - 1))
6643 idx = get_wep_tx_idx(local);
6648 encoding->flags = idx + 1;
6649 memset(ext, 0, sizeof(*ext));
6651 /* Check encryption mode */
6652 switch(local->config.authType) {
6654 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6656 case AUTH_SHAREDKEY:
6657 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6661 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6664 /* We can't return the key, so set the proper flag and return zero */
6665 encoding->flags |= IW_ENCODE_NOKEY;
6666 memset(extra, 0, 16);
6668 /* Copy the key to the user buffer */
6669 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6670 if (wep_key_len < 0) {
6673 ext->key_len = wep_key_len;
6674 memcpy(extra, buf, ext->key_len);
6681 /*------------------------------------------------------------------*/
6683 * Wireless Handler : set extended authentication parameters
6685 static int airo_set_auth(struct net_device *dev,
6686 struct iw_request_info *info,
6687 union iwreq_data *wrqu, char *extra)
6689 struct airo_info *local = dev->ml_priv;
6690 struct iw_param *param = &wrqu->param;
6691 __le16 currentAuthType = local->config.authType;
6693 switch (param->flags & IW_AUTH_INDEX) {
6694 case IW_AUTH_WPA_VERSION:
6695 case IW_AUTH_CIPHER_PAIRWISE:
6696 case IW_AUTH_CIPHER_GROUP:
6697 case IW_AUTH_KEY_MGMT:
6698 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6699 case IW_AUTH_PRIVACY_INVOKED:
6701 * airo does not use these parameters
6705 case IW_AUTH_DROP_UNENCRYPTED:
6707 /* Only change auth type if unencrypted */
6708 if (currentAuthType == AUTH_OPEN)
6709 set_auth_type(local, AUTH_ENCRYPT);
6711 set_auth_type(local, AUTH_OPEN);
6714 /* Commit the changes to flags if needed */
6715 if (local->config.authType != currentAuthType)
6716 set_bit (FLAG_COMMIT, &local->flags);
6719 case IW_AUTH_80211_AUTH_ALG: {
6720 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6721 set_auth_type(local, AUTH_SHAREDKEY);
6722 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6723 /* We don't know here if WEP open system or
6724 * unencrypted mode was requested - so use the
6725 * last mode (of these two) used last time
6727 set_auth_type(local, local->last_auth);
6731 /* Commit the changes to flags if needed */
6732 if (local->config.authType != currentAuthType)
6733 set_bit (FLAG_COMMIT, &local->flags);
6737 case IW_AUTH_WPA_ENABLED:
6738 /* Silently accept disable of WPA */
6739 if (param->value > 0)
6746 return -EINPROGRESS;
6750 /*------------------------------------------------------------------*/
6752 * Wireless Handler : get extended authentication parameters
6754 static int airo_get_auth(struct net_device *dev,
6755 struct iw_request_info *info,
6756 union iwreq_data *wrqu, char *extra)
6758 struct airo_info *local = dev->ml_priv;
6759 struct iw_param *param = &wrqu->param;
6760 __le16 currentAuthType = local->config.authType;
6762 switch (param->flags & IW_AUTH_INDEX) {
6763 case IW_AUTH_DROP_UNENCRYPTED:
6764 switch (currentAuthType) {
6765 case AUTH_SHAREDKEY:
6775 case IW_AUTH_80211_AUTH_ALG:
6776 switch (currentAuthType) {
6777 case AUTH_SHAREDKEY:
6778 param->value = IW_AUTH_ALG_SHARED_KEY;
6782 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6787 case IW_AUTH_WPA_ENABLED:
6798 /*------------------------------------------------------------------*/
6800 * Wireless Handler : set Tx-Power
6802 static int airo_set_txpow(struct net_device *dev,
6803 struct iw_request_info *info,
6804 struct iw_param *vwrq,
6807 struct airo_info *local = dev->ml_priv;
6808 CapabilityRid cap_rid; /* Card capability info */
6811 __le16 v = cpu_to_le16(vwrq->value);
6813 readCapabilityRid(local, &cap_rid, 1);
6815 if (vwrq->disabled) {
6816 set_bit (FLAG_RADIO_OFF, &local->flags);
6817 set_bit (FLAG_COMMIT, &local->flags);
6818 return -EINPROGRESS; /* Call commit handler */
6820 if (vwrq->flags != IW_TXPOW_MWATT) {
6823 clear_bit (FLAG_RADIO_OFF, &local->flags);
6824 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6825 if (v == cap_rid.txPowerLevels[i]) {
6826 readConfigRid(local, 1);
6827 local->config.txPower = v;
6828 set_bit (FLAG_COMMIT, &local->flags);
6829 rc = -EINPROGRESS; /* Call commit handler */
6835 /*------------------------------------------------------------------*/
6837 * Wireless Handler : get Tx-Power
6839 static int airo_get_txpow(struct net_device *dev,
6840 struct iw_request_info *info,
6841 struct iw_param *vwrq,
6844 struct airo_info *local = dev->ml_priv;
6846 readConfigRid(local, 1);
6847 vwrq->value = le16_to_cpu(local->config.txPower);
6848 vwrq->fixed = 1; /* No power control */
6849 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6850 vwrq->flags = IW_TXPOW_MWATT;
6855 /*------------------------------------------------------------------*/
6857 * Wireless Handler : set Retry limits
6859 static int airo_set_retry(struct net_device *dev,
6860 struct iw_request_info *info,
6861 struct iw_param *vwrq,
6864 struct airo_info *local = dev->ml_priv;
6867 if (vwrq->disabled) {
6870 readConfigRid(local, 1);
6871 if (vwrq->flags & IW_RETRY_LIMIT) {
6872 __le16 v = cpu_to_le16(vwrq->value);
6873 if (vwrq->flags & IW_RETRY_LONG)
6874 local->config.longRetryLimit = v;
6875 else if (vwrq->flags & IW_RETRY_SHORT)
6876 local->config.shortRetryLimit = v;
6878 /* No modifier : set both */
6879 local->config.longRetryLimit = v;
6880 local->config.shortRetryLimit = v;
6882 set_bit (FLAG_COMMIT, &local->flags);
6883 rc = -EINPROGRESS; /* Call commit handler */
6885 if (vwrq->flags & IW_RETRY_LIFETIME) {
6886 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6887 set_bit (FLAG_COMMIT, &local->flags);
6888 rc = -EINPROGRESS; /* Call commit handler */
6893 /*------------------------------------------------------------------*/
6895 * Wireless Handler : get Retry limits
6897 static int airo_get_retry(struct net_device *dev,
6898 struct iw_request_info *info,
6899 struct iw_param *vwrq,
6902 struct airo_info *local = dev->ml_priv;
6904 vwrq->disabled = 0; /* Can't be disabled */
6906 readConfigRid(local, 1);
6907 /* Note : by default, display the min retry number */
6908 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6909 vwrq->flags = IW_RETRY_LIFETIME;
6910 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6911 } else if ((vwrq->flags & IW_RETRY_LONG)) {
6912 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6913 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6915 vwrq->flags = IW_RETRY_LIMIT;
6916 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6917 if (local->config.shortRetryLimit != local->config.longRetryLimit)
6918 vwrq->flags |= IW_RETRY_SHORT;
6924 /*------------------------------------------------------------------*/
6926 * Wireless Handler : get range info
6928 static int airo_get_range(struct net_device *dev,
6929 struct iw_request_info *info,
6930 struct iw_point *dwrq,
6933 struct airo_info *local = dev->ml_priv;
6934 struct iw_range *range = (struct iw_range *) extra;
6935 CapabilityRid cap_rid; /* Card capability info */
6939 readCapabilityRid(local, &cap_rid, 1);
6941 dwrq->length = sizeof(struct iw_range);
6942 memset(range, 0, sizeof(*range));
6943 range->min_nwid = 0x0000;
6944 range->max_nwid = 0x0000;
6945 range->num_channels = 14;
6946 /* Should be based on cap_rid.country to give only
6947 * what the current card support */
6949 for (i = 0; i < 14; i++) {
6950 range->freq[k].i = i + 1; /* List index */
6951 range->freq[k].m = 100000 *
6952 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6953 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6955 range->num_frequency = k;
6957 range->sensitivity = 65535;
6959 /* Hum... Should put the right values there */
6961 range->max_qual.qual = 100; /* % */
6963 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6964 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6965 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6967 /* Experimental measurements - boundary 11/5.5 Mb/s */
6968 /* Note : with or without the (local->rssi), results
6969 * are somewhat different. - Jean II */
6971 range->avg_qual.qual = 50; /* % */
6972 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6974 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6975 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6977 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6979 for (i = 0 ; i < 8 ; i++) {
6980 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6981 if (range->bitrate[i] == 0)
6984 range->num_bitrates = i;
6986 /* Set an indication of the max TCP throughput
6987 * in bit/s that we can expect using this interface.
6988 * May be use for QoS stuff... Jean II */
6990 range->throughput = 5000 * 1000;
6992 range->throughput = 1500 * 1000;
6995 range->max_rts = AIRO_DEF_MTU;
6996 range->min_frag = 256;
6997 range->max_frag = AIRO_DEF_MTU;
6999 if (cap_rid.softCap & cpu_to_le16(2)) {
7001 range->encoding_size[0] = 5;
7003 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7004 range->encoding_size[1] = 13;
7005 range->num_encoding_sizes = 2;
7007 range->num_encoding_sizes = 1;
7008 range->max_encoding_tokens =
7009 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7011 range->num_encoding_sizes = 0;
7012 range->max_encoding_tokens = 0;
7015 range->max_pmp = 5000000; /* 5 secs */
7017 range->max_pmt = 65535 * 1024; /* ??? */
7018 range->pmp_flags = IW_POWER_PERIOD;
7019 range->pmt_flags = IW_POWER_TIMEOUT;
7020 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7022 /* Transmit Power - values are in mW */
7023 for (i = 0 ; i < 8 ; i++) {
7024 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7025 if (range->txpower[i] == 0)
7028 range->num_txpower = i;
7029 range->txpower_capa = IW_TXPOW_MWATT;
7030 range->we_version_source = 19;
7031 range->we_version_compiled = WIRELESS_EXT;
7032 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7033 range->retry_flags = IW_RETRY_LIMIT;
7034 range->r_time_flags = IW_RETRY_LIFETIME;
7035 range->min_retry = 1;
7036 range->max_retry = 65535;
7037 range->min_r_time = 1024;
7038 range->max_r_time = 65535 * 1024;
7040 /* Event capability (kernel + driver) */
7041 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7042 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7043 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7044 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7045 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7046 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7050 /*------------------------------------------------------------------*/
7052 * Wireless Handler : set Power Management
7054 static int airo_set_power(struct net_device *dev,
7055 struct iw_request_info *info,
7056 struct iw_param *vwrq,
7059 struct airo_info *local = dev->ml_priv;
7061 readConfigRid(local, 1);
7062 if (vwrq->disabled) {
7063 if (sniffing_mode(local))
7065 local->config.powerSaveMode = POWERSAVE_CAM;
7066 local->config.rmode &= ~RXMODE_MASK;
7067 local->config.rmode |= RXMODE_BC_MC_ADDR;
7068 set_bit (FLAG_COMMIT, &local->flags);
7069 return -EINPROGRESS; /* Call commit handler */
7071 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7072 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7073 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7074 set_bit (FLAG_COMMIT, &local->flags);
7075 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7076 local->config.fastListenInterval =
7077 local->config.listenInterval =
7078 cpu_to_le16((vwrq->value + 500) / 1024);
7079 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7080 set_bit (FLAG_COMMIT, &local->flags);
7082 switch (vwrq->flags & IW_POWER_MODE) {
7083 case IW_POWER_UNICAST_R:
7084 if (sniffing_mode(local))
7086 local->config.rmode &= ~RXMODE_MASK;
7087 local->config.rmode |= RXMODE_ADDR;
7088 set_bit (FLAG_COMMIT, &local->flags);
7090 case IW_POWER_ALL_R:
7091 if (sniffing_mode(local))
7093 local->config.rmode &= ~RXMODE_MASK;
7094 local->config.rmode |= RXMODE_BC_MC_ADDR;
7095 set_bit (FLAG_COMMIT, &local->flags);
7097 /* This is broken, fixme ;-) */
7102 // Note : we may want to factor local->need_commit here
7103 // Note2 : may also want to factor RXMODE_RFMON test
7104 return -EINPROGRESS; /* Call commit handler */
7107 /*------------------------------------------------------------------*/
7109 * Wireless Handler : get Power Management
7111 static int airo_get_power(struct net_device *dev,
7112 struct iw_request_info *info,
7113 struct iw_param *vwrq,
7116 struct airo_info *local = dev->ml_priv;
7119 readConfigRid(local, 1);
7120 mode = local->config.powerSaveMode;
7121 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7123 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7124 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7125 vwrq->flags = IW_POWER_TIMEOUT;
7127 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7128 vwrq->flags = IW_POWER_PERIOD;
7130 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7131 vwrq->flags |= IW_POWER_UNICAST_R;
7133 vwrq->flags |= IW_POWER_ALL_R;
7138 /*------------------------------------------------------------------*/
7140 * Wireless Handler : set Sensitivity
7142 static int airo_set_sens(struct net_device *dev,
7143 struct iw_request_info *info,
7144 struct iw_param *vwrq,
7147 struct airo_info *local = dev->ml_priv;
7149 readConfigRid(local, 1);
7150 local->config.rssiThreshold =
7151 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7152 set_bit (FLAG_COMMIT, &local->flags);
7154 return -EINPROGRESS; /* Call commit handler */
7157 /*------------------------------------------------------------------*/
7159 * Wireless Handler : get Sensitivity
7161 static int airo_get_sens(struct net_device *dev,
7162 struct iw_request_info *info,
7163 struct iw_param *vwrq,
7166 struct airo_info *local = dev->ml_priv;
7168 readConfigRid(local, 1);
7169 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7170 vwrq->disabled = (vwrq->value == 0);
7176 /*------------------------------------------------------------------*/
7178 * Wireless Handler : get AP List
7179 * Note : this is deprecated in favor of IWSCAN
7181 static int airo_get_aplist(struct net_device *dev,
7182 struct iw_request_info *info,
7183 struct iw_point *dwrq,
7186 struct airo_info *local = dev->ml_priv;
7187 struct sockaddr *address = (struct sockaddr *) extra;
7188 struct iw_quality *qual;
7191 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7193 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL);
7197 for (i = 0; i < IW_MAX_AP; i++) {
7199 if (readBSSListRid(local, loseSync, &BSSList))
7202 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7203 address[i].sa_family = ARPHRD_ETHER;
7204 dBm = le16_to_cpu(BSSList.dBm);
7206 qual[i].level = 0x100 - dBm;
7207 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7208 qual[i].updated = IW_QUAL_QUAL_UPDATED
7209 | IW_QUAL_LEVEL_UPDATED
7212 qual[i].level = (dBm + 321) / 2;
7214 qual[i].updated = IW_QUAL_QUAL_INVALID
7215 | IW_QUAL_LEVEL_UPDATED
7218 qual[i].noise = local->wstats.qual.noise;
7219 if (BSSList.index == cpu_to_le16(0xffff))
7223 StatusRid status_rid; /* Card status info */
7224 readStatusRid(local, &status_rid, 1);
7226 i < min(IW_MAX_AP, 4) &&
7227 (status_rid.bssid[i][0]
7228 & status_rid.bssid[i][1]
7229 & status_rid.bssid[i][2]
7230 & status_rid.bssid[i][3]
7231 & status_rid.bssid[i][4]
7232 & status_rid.bssid[i][5])!=0xff &&
7233 (status_rid.bssid[i][0]
7234 | status_rid.bssid[i][1]
7235 | status_rid.bssid[i][2]
7236 | status_rid.bssid[i][3]
7237 | status_rid.bssid[i][4]
7238 | status_rid.bssid[i][5]);
7240 memcpy(address[i].sa_data,
7241 status_rid.bssid[i], ETH_ALEN);
7242 address[i].sa_family = ARPHRD_ETHER;
7245 dwrq->flags = 1; /* Should be define'd */
7246 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7247 sizeof(struct iw_quality) * i);
7255 /*------------------------------------------------------------------*/
7257 * Wireless Handler : Initiate Scan
7259 static int airo_set_scan(struct net_device *dev,
7260 struct iw_request_info *info,
7261 struct iw_point *dwrq,
7264 struct airo_info *ai = dev->ml_priv;
7268 APListRid APList_rid_empty;
7270 /* Note : you may have realised that, as this is a SET operation,
7271 * this is privileged and therefore a normal user can't
7273 * This is not an error, while the device perform scanning,
7274 * traffic doesn't flow, so it's a perfect DoS...
7276 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7278 if (down_interruptible(&ai->sem))
7279 return -ERESTARTSYS;
7281 /* If there's already a scan in progress, don't
7282 * trigger another one. */
7283 if (ai->scan_timeout > 0)
7286 /* Clear APList as it affects scan results */
7287 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7288 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7290 writeAPListRid(ai, &APList_rid_empty, 0);
7293 /* Initiate a scan command */
7294 ai->scan_timeout = RUN_AT(3*HZ);
7295 memset(&cmd, 0, sizeof(cmd));
7296 cmd.cmd = CMD_LISTBSS;
7297 issuecommand(ai, &cmd, &rsp);
7303 wake_up_interruptible(&ai->thr_wait);
7307 /*------------------------------------------------------------------*/
7309 * Translate scan data returned from the card to a card independent
7310 * format that the Wireless Tools will understand - Jean II
7312 static inline char *airo_translate_scan(struct net_device *dev,
7313 struct iw_request_info *info,
7318 struct airo_info *ai = dev->ml_priv;
7319 struct iw_event iwe; /* Temporary buffer */
7320 __le16 capabilities;
7321 char * current_val; /* For rates */
7326 /* First entry *MUST* be the AP MAC address */
7327 iwe.cmd = SIOCGIWAP;
7328 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7329 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7330 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7331 &iwe, IW_EV_ADDR_LEN);
7333 /* Other entries will be displayed in the order we give them */
7336 iwe.u.data.length = bss->ssidLen;
7337 if (iwe.u.data.length > 32)
7338 iwe.u.data.length = 32;
7339 iwe.cmd = SIOCGIWESSID;
7340 iwe.u.data.flags = 1;
7341 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7345 iwe.cmd = SIOCGIWMODE;
7346 capabilities = bss->cap;
7347 if (capabilities & (CAP_ESS | CAP_IBSS)) {
7348 if (capabilities & CAP_ESS)
7349 iwe.u.mode = IW_MODE_MASTER;
7351 iwe.u.mode = IW_MODE_ADHOC;
7352 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7353 &iwe, IW_EV_UINT_LEN);
7357 iwe.cmd = SIOCGIWFREQ;
7358 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7359 iwe.u.freq.m = 100000 *
7360 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7362 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7363 &iwe, IW_EV_FREQ_LEN);
7365 dBm = le16_to_cpu(bss->dBm);
7367 /* Add quality statistics */
7370 iwe.u.qual.level = 0x100 - dBm;
7371 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7372 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7373 | IW_QUAL_LEVEL_UPDATED
7376 iwe.u.qual.level = (dBm + 321) / 2;
7377 iwe.u.qual.qual = 0;
7378 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7379 | IW_QUAL_LEVEL_UPDATED
7382 iwe.u.qual.noise = ai->wstats.qual.noise;
7383 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7384 &iwe, IW_EV_QUAL_LEN);
7386 /* Add encryption capability */
7387 iwe.cmd = SIOCGIWENCODE;
7388 if (capabilities & CAP_PRIVACY)
7389 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7391 iwe.u.data.flags = IW_ENCODE_DISABLED;
7392 iwe.u.data.length = 0;
7393 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7396 /* Rate : stuffing multiple values in a single event require a bit
7397 * more of magic - Jean II */
7398 current_val = current_ev + iwe_stream_lcp_len(info);
7400 iwe.cmd = SIOCGIWRATE;
7401 /* Those two flags are ignored... */
7402 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7404 for (i = 0 ; i < 8 ; i++) {
7405 /* NULL terminated */
7406 if (bss->rates[i] == 0)
7408 /* Bit rate given in 500 kb/s units (+ 0x80) */
7409 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7410 /* Add new value to event */
7411 current_val = iwe_stream_add_value(info, current_ev,
7412 current_val, end_buf,
7413 &iwe, IW_EV_PARAM_LEN);
7415 /* Check if we added any event */
7416 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7417 current_ev = current_val;
7419 /* Beacon interval */
7420 buf = kmalloc(30, GFP_KERNEL);
7422 iwe.cmd = IWEVCUSTOM;
7423 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7424 iwe.u.data.length = strlen(buf);
7425 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7430 /* Put WPA/RSN Information Elements into the event stream */
7431 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7432 unsigned int num_null_ies = 0;
7433 u16 length = sizeof (bss->extra.iep);
7434 u8 *ie = (void *)&bss->extra.iep;
7436 while ((length >= 2) && (num_null_ies < 2)) {
7437 if (2 + ie[1] > length) {
7438 /* Invalid element, don't continue parsing IE */
7444 /* Two zero-length SSID elements
7445 * mean we're done parsing elements */
7450 case WLAN_EID_VENDOR_SPECIFIC:
7456 iwe.cmd = IWEVGENIE;
7457 /* 64 is an arbitrary cut-off */
7458 iwe.u.data.length = min(ie[1] + 2,
7460 current_ev = iwe_stream_add_point(
7467 iwe.cmd = IWEVGENIE;
7468 /* 64 is an arbitrary cut-off */
7469 iwe.u.data.length = min(ie[1] + 2, 64);
7470 current_ev = iwe_stream_add_point(
7471 info, current_ev, end_buf,
7479 length -= 2 + ie[1];
7486 /*------------------------------------------------------------------*/
7488 * Wireless Handler : Read Scan Results
7490 static int airo_get_scan(struct net_device *dev,
7491 struct iw_request_info *info,
7492 struct iw_point *dwrq,
7495 struct airo_info *ai = dev->ml_priv;
7496 BSSListElement *net;
7498 char *current_ev = extra;
7500 /* If a scan is in-progress, return -EAGAIN */
7501 if (ai->scan_timeout > 0)
7504 if (down_interruptible(&ai->sem))
7507 list_for_each_entry (net, &ai->network_list, list) {
7508 /* Translate to WE format this entry */
7509 current_ev = airo_translate_scan(dev, info, current_ev,
7510 extra + dwrq->length,
7513 /* Check if there is space for one more entry */
7514 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7515 /* Ask user space to try again with a bigger buffer */
7521 /* Length of data */
7522 dwrq->length = (current_ev - extra);
7523 dwrq->flags = 0; /* todo */
7530 /*------------------------------------------------------------------*/
7532 * Commit handler : called after a bunch of SET operations
7534 static int airo_config_commit(struct net_device *dev,
7535 struct iw_request_info *info, /* NULL */
7536 void *zwrq, /* NULL */
7537 char *extra) /* NULL */
7539 struct airo_info *local = dev->ml_priv;
7541 if (!test_bit (FLAG_COMMIT, &local->flags))
7544 /* Some of the "SET" function may have modified some of the
7545 * parameters. It's now time to commit them in the card */
7546 disable_MAC(local, 1);
7547 if (test_bit (FLAG_RESET, &local->flags)) {
7550 readSsidRid(local, &SSID_rid);
7551 if (test_bit(FLAG_MPI,&local->flags))
7552 setup_card(local, dev->dev_addr, 1);
7554 reset_airo_card(dev);
7555 disable_MAC(local, 1);
7556 writeSsidRid(local, &SSID_rid, 1);
7557 writeAPListRid(local, &local->APList, 1);
7559 if (down_interruptible(&local->sem))
7560 return -ERESTARTSYS;
7561 writeConfigRid(local, 0);
7562 enable_MAC(local, 0);
7563 if (test_bit (FLAG_RESET, &local->flags))
7564 airo_set_promisc(local);
7571 /*------------------------------------------------------------------*/
7573 * Structures to export the Wireless Handlers
7576 static const struct iw_priv_args airo_private_args[] = {
7577 /*{ cmd, set_args, get_args, name } */
7578 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7579 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7580 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7581 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7584 static const iw_handler airo_handler[] =
7586 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7587 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7588 (iw_handler) NULL, /* SIOCSIWNWID */
7589 (iw_handler) NULL, /* SIOCGIWNWID */
7590 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7591 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7592 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7593 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7594 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7595 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7596 (iw_handler) NULL, /* SIOCSIWRANGE */
7597 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7598 (iw_handler) NULL, /* SIOCSIWPRIV */
7599 (iw_handler) NULL, /* SIOCGIWPRIV */
7600 (iw_handler) NULL, /* SIOCSIWSTATS */
7601 (iw_handler) NULL, /* SIOCGIWSTATS */
7602 iw_handler_set_spy, /* SIOCSIWSPY */
7603 iw_handler_get_spy, /* SIOCGIWSPY */
7604 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7605 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7606 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7607 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7608 (iw_handler) NULL, /* -- hole -- */
7609 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7610 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7611 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7612 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7613 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7614 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7615 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7616 (iw_handler) NULL, /* -- hole -- */
7617 (iw_handler) NULL, /* -- hole -- */
7618 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7619 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7620 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7621 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7622 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7623 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7624 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7625 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7626 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7627 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7628 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7629 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7630 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7631 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7632 (iw_handler) NULL, /* -- hole -- */
7633 (iw_handler) NULL, /* -- hole -- */
7634 (iw_handler) NULL, /* SIOCSIWGENIE */
7635 (iw_handler) NULL, /* SIOCGIWGENIE */
7636 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7637 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7638 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7639 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7640 (iw_handler) NULL, /* SIOCSIWPMKSA */
7643 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7644 * We want to force the use of the ioctl code, because those can't be
7645 * won't work the iw_handler code (because they simultaneously read
7646 * and write data and iw_handler can't do that).
7647 * Note that it's perfectly legal to read/write on a single ioctl command,
7648 * you just can't use iwpriv and need to force it via the ioctl handler.
7650 static const iw_handler airo_private_handler[] =
7652 NULL, /* SIOCIWFIRSTPRIV */
7655 static const struct iw_handler_def airo_handler_def =
7657 .num_standard = ARRAY_SIZE(airo_handler),
7658 .num_private = ARRAY_SIZE(airo_private_handler),
7659 .num_private_args = ARRAY_SIZE(airo_private_args),
7660 .standard = airo_handler,
7661 .private = airo_private_handler,
7662 .private_args = airo_private_args,
7663 .get_wireless_stats = airo_get_wireless_stats,
7667 * This defines the configuration part of the Wireless Extensions
7668 * Note : irq and spinlock protection will occur in the subroutines
7671 * o Check input value more carefully and fill correct values in range
7672 * o Test and shakeout the bugs (if any)
7676 * Javier Achirica did a great job of merging code from the unnamed CISCO
7677 * developer that added support for flashing the card.
7679 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7682 struct airo_info *ai = dev->ml_priv;
7684 if (ai->power.event)
7694 int val = AIROMAGIC;
7696 if (copy_from_user(&com, rq->ifr_data, sizeof(com)))
7698 else if (copy_to_user(com.data, (char *)&val, sizeof(val)))
7707 /* Get the command struct and hand it off for evaluation by
7708 * the proper subfunction
7712 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) {
7717 /* Separate R/W functions bracket legality here
7719 if (com.command == AIRORSWVERSION) {
7720 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7725 else if (com.command <= AIRORRID)
7726 rc = readrids(dev,&com);
7727 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2))
7728 rc = writerids(dev,&com);
7729 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART)
7730 rc = flashcard(dev,&com);
7732 rc = -EINVAL; /* Bad command in ioctl */
7735 #endif /* CISCO_EXT */
7737 // All other calls are currently unsupported
7745 * Get the Wireless stats out of the driver
7746 * Note : irq and spinlock protection will occur in the subroutines
7749 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7753 static void airo_read_wireless_stats(struct airo_info *local)
7755 StatusRid status_rid;
7757 CapabilityRid cap_rid;
7758 __le32 *vals = stats_rid.vals;
7760 /* Get stats out of the card */
7761 clear_bit(JOB_WSTATS, &local->jobs);
7762 if (local->power.event) {
7766 readCapabilityRid(local, &cap_rid, 0);
7767 readStatusRid(local, &status_rid, 0);
7768 readStatsRid(local, &stats_rid, RID_STATS, 0);
7772 local->wstats.status = le16_to_cpu(status_rid.mode);
7774 /* Signal quality and co */
7776 local->wstats.qual.level =
7777 airo_rssi_to_dbm(local->rssi,
7778 le16_to_cpu(status_rid.sigQuality));
7779 /* normalizedSignalStrength appears to be a percentage */
7780 local->wstats.qual.qual =
7781 le16_to_cpu(status_rid.normalizedSignalStrength);
7783 local->wstats.qual.level =
7784 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7785 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7787 if (le16_to_cpu(status_rid.len) >= 124) {
7788 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7789 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7791 local->wstats.qual.noise = 0;
7792 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7795 /* Packets discarded in the wireless adapter due to wireless
7796 * specific problems */
7797 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7798 le32_to_cpu(vals[57]) +
7799 le32_to_cpu(vals[58]); /* SSID Mismatch */
7800 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7801 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7802 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7803 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7804 le32_to_cpu(vals[32]);
7805 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7808 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7810 struct airo_info *local = dev->ml_priv;
7812 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7813 /* Get stats out of the card if available */
7814 if (down_trylock(&local->sem) != 0) {
7815 set_bit(JOB_WSTATS, &local->jobs);
7816 wake_up_interruptible(&local->thr_wait);
7818 airo_read_wireless_stats(local);
7821 return &local->wstats;
7826 * This just translates from driver IOCTL codes to the command codes to
7827 * feed to the radio's host interface. Things can be added/deleted
7828 * as needed. This represents the READ side of control I/O to
7831 static int readrids(struct net_device *dev, aironet_ioctl *comp)
7833 unsigned short ridcode;
7834 unsigned char *iobuf;
7836 struct airo_info *ai = dev->ml_priv;
7838 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 switch(comp->command)
7843 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7844 case AIROGCFG: ridcode = RID_CONFIG;
7845 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7846 disable_MAC (ai, 1);
7847 writeConfigRid (ai, 1);
7851 case AIROGSLIST: ridcode = RID_SSID; break;
7852 case AIROGVLIST: ridcode = RID_APLIST; break;
7853 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7854 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7855 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
7856 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
7857 case AIROGSTAT: ridcode = RID_STATUS; break;
7858 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7859 case AIROGSTATSC32: ridcode = RID_STATS; break;
7861 if (copy_to_user(comp->data, &ai->micstats,
7862 min((int)comp->len, (int)sizeof(ai->micstats))))
7865 case AIRORRID: ridcode = comp->ridnum; break;
7870 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
7871 /* Only super-user can read WEP keys */
7872 if (!capable(CAP_NET_ADMIN))
7876 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7879 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1);
7880 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7881 * then return it to the user
7882 * 9/22/2000 Honor user given length
7886 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7895 * Danger Will Robinson write the rids here
7898 static int writerids(struct net_device *dev, aironet_ioctl *comp)
7900 struct airo_info *ai = dev->ml_priv;
7903 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7904 unsigned char *iobuf;
7906 /* Only super-user can write RIDs */
7907 if (!capable(CAP_NET_ADMIN))
7910 if (test_bit(FLAG_FLASHING, &ai->flags))
7914 writer = do_writerid;
7916 switch(comp->command)
7918 case AIROPSIDS: ridcode = RID_SSID; break;
7919 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7920 case AIROPAPLIST: ridcode = RID_APLIST; break;
7921 case AIROPCFG: ai->config.len = 0;
7922 clear_bit(FLAG_COMMIT, &ai->flags);
7923 ridcode = RID_CONFIG; break;
7924 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7925 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7926 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7927 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7929 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7930 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7932 /* this is not really a rid but a command given to the card
7936 if (enable_MAC(ai, 1) != 0)
7941 * Evidently this code in the airo driver does not get a symbol
7942 * as disable_MAC. it's probably so short the compiler does not gen one.
7948 /* This command merely clears the counts does not actually store any data
7949 * only reads rid. But as it changes the cards state, I put it in the
7950 * writerid routines.
7953 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7956 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1);
7958 enabled = ai->micstats.enabled;
7959 memset(&ai->micstats, 0, sizeof(ai->micstats));
7960 ai->micstats.enabled = enabled;
7962 if (copy_to_user(comp->data, iobuf,
7963 min((int)comp->len, (int)RIDSIZE))) {
7971 return -EOPNOTSUPP; /* Blarg! */
7973 if (comp->len > RIDSIZE)
7976 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7979 if (copy_from_user(iobuf, comp->data, comp->len)) {
7984 if (comp->command == AIROPCFG) {
7985 ConfigRid *cfg = (ConfigRid *)iobuf;
7987 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7988 cfg->opmode |= MODE_MIC;
7990 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7991 set_bit (FLAG_ADHOC, &ai->flags);
7993 clear_bit (FLAG_ADHOC, &ai->flags);
7996 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) {
8004 /*****************************************************************************
8005 * Ancillary flash / mod functions much black magic lurkes here *
8006 *****************************************************************************
8010 * Flash command switch table
8013 static int flashcard(struct net_device *dev, aironet_ioctl *comp)
8017 /* Only super-user can modify flash */
8018 if (!capable(CAP_NET_ADMIN))
8021 switch(comp->command)
8024 return cmdreset((struct airo_info *)dev->ml_priv);
8027 if (!AIRO_FLASH(dev) &&
8028 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8030 return setflashmode((struct airo_info *)dev->ml_priv);
8032 case AIROFLSHGCHR: /* Get char from aux */
8033 if (comp->len != sizeof(int))
8035 if (copy_from_user(&z, comp->data, comp->len))
8037 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8039 case AIROFLSHPCHR: /* Send char to card. */
8040 if (comp->len != sizeof(int))
8042 if (copy_from_user(&z, comp->data, comp->len))
8044 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8046 case AIROFLPUTBUF: /* Send 32k to card */
8047 if (!AIRO_FLASH(dev))
8049 if (comp->len > FLASHSIZE)
8051 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8054 flashputbuf((struct airo_info *)dev->ml_priv);
8058 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8065 #define FLASH_COMMAND 0x7e7e
8069 * Disable MAC and do soft reset on
8073 static int cmdreset(struct airo_info *ai)
8077 if (!waitbusy (ai)) {
8078 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8082 OUT4500(ai, COMMAND, CMD_SOFTRESET);
8084 ssleep(1); /* WAS 600 12/7/00 */
8086 if (!waitbusy (ai)) {
8087 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8094 * Put the card in legendary flash
8098 static int setflashmode (struct airo_info *ai)
8100 set_bit (FLAG_FLASHING, &ai->flags);
8102 OUT4500(ai, SWS0, FLASH_COMMAND);
8103 OUT4500(ai, SWS1, FLASH_COMMAND);
8105 OUT4500(ai, SWS0, FLASH_COMMAND);
8106 OUT4500(ai, COMMAND, 0x10);
8108 OUT4500(ai, SWS2, FLASH_COMMAND);
8109 OUT4500(ai, SWS3, FLASH_COMMAND);
8110 OUT4500(ai, COMMAND, 0);
8112 msleep(500); /* 500ms delay */
8114 if (!waitbusy(ai)) {
8115 clear_bit (FLAG_FLASHING, &ai->flags);
8116 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8122 /* Put character to SWS0 wait for dwelltime
8126 static int flashpchar(struct airo_info *ai, int byte, int dwelltime)
8136 waittime = dwelltime;
8138 /* Wait for busy bit d15 to go false indicating buffer empty */
8139 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8144 /* timeout for busy clear wait */
8145 if (waittime <= 0) {
8146 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8150 /* Port is clear now write byte and wait for it to echo back */
8152 OUT4500(ai, SWS0, byte);
8155 echo = IN4500(ai, SWS1);
8156 } while (dwelltime >= 0 && echo != byte);
8158 OUT4500(ai, SWS1, 0);
8160 return (echo == byte) ? 0 : -EIO;
8164 * Get a character from the card matching matchbyte
8167 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime)
8170 unsigned char rbyte = 0;
8173 rchar = IN4500(ai, SWS1);
8175 if (dwelltime && !(0x8000 & rchar)) {
8180 rbyte = 0xff & rchar;
8182 if ((rbyte == matchbyte) && (0x8000 & rchar)) {
8183 OUT4500(ai, SWS1, 0);
8186 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8188 OUT4500(ai, SWS1, 0);
8190 } while (dwelltime > 0);
8195 * Transfer 32k of firmware data from user buffer to our buffer and
8199 static int flashputbuf(struct airo_info *ai)
8204 if (test_bit(FLAG_MPI,&ai->flags))
8205 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8207 OUT4500(ai, AUXPAGE, 0x100);
8208 OUT4500(ai, AUXOFF, 0);
8210 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) {
8211 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff);
8214 OUT4500(ai, SWS0, 0x8000);
8222 static int flashrestart(struct airo_info *ai, struct net_device *dev)
8226 ssleep(1); /* Added 12/7/00 */
8227 clear_bit (FLAG_FLASHING, &ai->flags);
8228 if (test_bit(FLAG_MPI, &ai->flags)) {
8229 status = mpi_init_descriptors(ai);
8230 if (status != SUCCESS)
8233 status = setup_card(ai, dev->dev_addr, 1);
8235 if (!test_bit(FLAG_MPI,&ai->flags))
8236 for (i = 0; i < MAX_FIDS; i++) {
8237 ai->fids[i] = transmit_allocate
8238 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2);
8241 ssleep(1); /* Added 12/7/00 */
8244 #endif /* CISCO_EXT */
8247 This program is free software; you can redistribute it and/or
8248 modify it under the terms of the GNU General Public License
8249 as published by the Free Software Foundation; either version 2
8250 of the License, or (at your option) any later version.
8252 This program is distributed in the hope that it will be useful,
8253 but WITHOUT ANY WARRANTY; without even the implied warranty of
8254 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8255 GNU General Public License for more details.
8259 Redistribution and use in source and binary forms, with or without
8260 modification, are permitted provided that the following conditions
8263 1. Redistributions of source code must retain the above copyright
8264 notice, this list of conditions and the following disclaimer.
8265 2. Redistributions in binary form must reproduce the above copyright
8266 notice, this list of conditions and the following disclaimer in the
8267 documentation and/or other materials provided with the distribution.
8268 3. The name of the author may not be used to endorse or promote
8269 products derived from this software without specific prior written
8272 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8273 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8274 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8275 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8276 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8277 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8278 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8279 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8280 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8281 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8282 POSSIBILITY OF SUCH DAMAGE.
8285 module_init(airo_init_module);
8286 module_exit(airo_cleanup_module);