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_param_hw_array(io, int, ioport, NULL, 0);
255 module_param_hw_array(irq, int, irq, NULL, 0);
256 module_param_array(rates, int, NULL, 0);
257 module_param_array(ssids, charp, NULL, 0);
258 module_param(auto_wep, int, 0);
259 MODULE_PARM_DESC(auto_wep,
260 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
261 "The value of auto_wep is number of the wep keys to check. "
262 "A value of 2 will try using the key at index 0 and index 1.");
263 module_param(aux_bap, int, 0);
264 MODULE_PARM_DESC(aux_bap,
265 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
266 "Before switching it checks that the switch is needed.");
267 module_param(maxencrypt, int, 0);
268 MODULE_PARM_DESC(maxencrypt,
269 "The maximum speed that the card can do encryption. "
270 "Units are in 512kbs. "
271 "Zero (default) means there is no limit. "
272 "Older cards used to be limited to 2mbs (4).");
273 module_param(adhoc, int, 0);
274 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
275 module_param(probe, int, 0);
276 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
278 module_param(proc_uid, int, 0);
279 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
280 module_param(proc_gid, int, 0);
281 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
282 module_param(airo_perm, int, 0);
283 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
284 module_param(proc_perm, int, 0);
285 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
287 /* This is a kind of sloppy hack to get this information to OUT4500 and
288 IN4500. I would be extremely interested in the situation where this
289 doesn't work though!!! */
290 static int do8bitIO /* = 0 */;
299 #define MAC_ENABLE 0x0001
300 #define MAC_DISABLE 0x0002
301 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
302 #define CMD_SOFTRESET 0x0004
303 #define HOSTSLEEP 0x0005
304 #define CMD_MAGIC_PKT 0x0006
305 #define CMD_SETWAKEMASK 0x0007
306 #define CMD_READCFG 0x0008
307 #define CMD_SETMODE 0x0009
308 #define CMD_ALLOCATETX 0x000a
309 #define CMD_TRANSMIT 0x000b
310 #define CMD_DEALLOCATETX 0x000c
312 #define CMD_WORKAROUND 0x0011
313 #define CMD_ALLOCATEAUX 0x0020
314 #define CMD_ACCESS 0x0021
315 #define CMD_PCIBAP 0x0022
316 #define CMD_PCIAUX 0x0023
317 #define CMD_ALLOCBUF 0x0028
318 #define CMD_GETTLV 0x0029
319 #define CMD_PUTTLV 0x002a
320 #define CMD_DELTLV 0x002b
321 #define CMD_FINDNEXTTLV 0x002c
322 #define CMD_PSPNODES 0x0030
323 #define CMD_SETCW 0x0031
324 #define CMD_SETPCF 0x0032
325 #define CMD_SETPHYREG 0x003e
326 #define CMD_TXTEST 0x003f
327 #define MAC_ENABLETX 0x0101
328 #define CMD_LISTBSS 0x0103
329 #define CMD_SAVECFG 0x0108
330 #define CMD_ENABLEAUX 0x0111
331 #define CMD_WRITERID 0x0121
332 #define CMD_USEPSPNODES 0x0130
333 #define MAC_ENABLERX 0x0201
336 #define ERROR_QUALIF 0x00
337 #define ERROR_ILLCMD 0x01
338 #define ERROR_ILLFMT 0x02
339 #define ERROR_INVFID 0x03
340 #define ERROR_INVRID 0x04
341 #define ERROR_LARGE 0x05
342 #define ERROR_NDISABL 0x06
343 #define ERROR_ALLOCBSY 0x07
344 #define ERROR_NORD 0x0B
345 #define ERROR_NOWR 0x0C
346 #define ERROR_INVFIDTX 0x0D
347 #define ERROR_TESTACT 0x0E
348 #define ERROR_TAGNFND 0x12
349 #define ERROR_DECODE 0x20
350 #define ERROR_DESCUNAV 0x21
351 #define ERROR_BADLEN 0x22
352 #define ERROR_MODE 0x80
353 #define ERROR_HOP 0x81
354 #define ERROR_BINTER 0x82
355 #define ERROR_RXMODE 0x83
356 #define ERROR_MACADDR 0x84
357 #define ERROR_RATES 0x85
358 #define ERROR_ORDER 0x86
359 #define ERROR_SCAN 0x87
360 #define ERROR_AUTH 0x88
361 #define ERROR_PSMODE 0x89
362 #define ERROR_RTYPE 0x8A
363 #define ERROR_DIVER 0x8B
364 #define ERROR_SSID 0x8C
365 #define ERROR_APLIST 0x8D
366 #define ERROR_AUTOWAKE 0x8E
367 #define ERROR_LEAP 0x8F
378 #define LINKSTAT 0x10
382 #define TXALLOCFID 0x22
383 #define TXCOMPLFID 0x24
398 /* Offset into aux memory for descriptors */
399 #define AUX_OFFSET 0x800
400 /* Size of allocated packets */
403 /* Size of the transmit queue */
407 #define BAP0 0 /* Used for receiving packets */
408 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
411 #define COMMAND_BUSY 0x8000
413 #define BAP_BUSY 0x8000
414 #define BAP_ERR 0x4000
415 #define BAP_DONE 0x2000
417 #define PROMISC 0xffff
418 #define NOPROMISC 0x0000
421 #define EV_CLEARCOMMANDBUSY 0x4000
424 #define EV_TXEXC 0x04
425 #define EV_ALLOC 0x08
427 #define EV_AWAKE 0x100
428 #define EV_TXCPY 0x400
429 #define EV_UNKNOWN 0x800
430 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
431 #define EV_AWAKEN 0x2000
432 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
434 #ifdef CHECK_UNKNOWN_INTS
435 #define IGNORE_INTS (EV_CMD | EV_UNKNOWN)
437 #define IGNORE_INTS (~STATUS_INTS)
444 #define RID_CAPABILITIES 0xFF00
445 #define RID_APINFO 0xFF01
446 #define RID_RADIOINFO 0xFF02
447 #define RID_UNKNOWN3 0xFF03
448 #define RID_RSSI 0xFF04
449 #define RID_CONFIG 0xFF10
450 #define RID_SSID 0xFF11
451 #define RID_APLIST 0xFF12
452 #define RID_DRVNAME 0xFF13
453 #define RID_ETHERENCAP 0xFF14
454 #define RID_WEP_TEMP 0xFF15
455 #define RID_WEP_PERM 0xFF16
456 #define RID_MODULATION 0xFF17
457 #define RID_OPTIONS 0xFF18
458 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
459 #define RID_FACTORYCONFIG 0xFF21
460 #define RID_UNKNOWN22 0xFF22
461 #define RID_LEAPUSERNAME 0xFF23
462 #define RID_LEAPPASSWORD 0xFF24
463 #define RID_STATUS 0xFF50
464 #define RID_BEACON_HST 0xFF51
465 #define RID_BUSY_HST 0xFF52
466 #define RID_RETRIES_HST 0xFF53
467 #define RID_UNKNOWN54 0xFF54
468 #define RID_UNKNOWN55 0xFF55
469 #define RID_UNKNOWN56 0xFF56
470 #define RID_MIC 0xFF57
471 #define RID_STATS16 0xFF60
472 #define RID_STATS16DELTA 0xFF61
473 #define RID_STATS16DELTACLEAR 0xFF62
474 #define RID_STATS 0xFF68
475 #define RID_STATSDELTA 0xFF69
476 #define RID_STATSDELTACLEAR 0xFF6A
477 #define RID_ECHOTEST_RID 0xFF70
478 #define RID_ECHOTEST_RESULTS 0xFF71
479 #define RID_BSSLISTFIRST 0xFF72
480 #define RID_BSSLISTNEXT 0xFF73
481 #define RID_WPA_BSSLISTFIRST 0xFF74
482 #define RID_WPA_BSSLISTNEXT 0xFF75
499 * Rids and endian-ness: The Rids will always be in cpu endian, since
500 * this all the patches from the big-endian guys end up doing that.
501 * so all rid access should use the read/writeXXXRid routines.
504 /* This structure came from an email sent to me from an engineer at
505 aironet for inclusion into this driver */
506 typedef struct WepKeyRid WepKeyRid;
515 /* These structures are from the Aironet's PC4500 Developers Manual */
516 typedef struct Ssid Ssid;
522 typedef struct SsidRid SsidRid;
528 typedef struct ModulationRid ModulationRid;
529 struct ModulationRid {
532 #define MOD_DEFAULT cpu_to_le16(0)
533 #define MOD_CCK cpu_to_le16(1)
534 #define MOD_MOK cpu_to_le16(2)
537 typedef struct ConfigRid ConfigRid;
539 __le16 len; /* sizeof(ConfigRid) */
540 __le16 opmode; /* operating mode */
541 #define MODE_STA_IBSS cpu_to_le16(0)
542 #define MODE_STA_ESS cpu_to_le16(1)
543 #define MODE_AP cpu_to_le16(2)
544 #define MODE_AP_RPTR cpu_to_le16(3)
545 #define MODE_CFG_MASK cpu_to_le16(0xff)
546 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
547 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
548 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
549 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
550 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
551 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
552 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
553 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
554 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
555 __le16 rmode; /* receive mode */
556 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
557 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
558 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
559 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
560 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
561 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
562 #define RXMODE_MASK cpu_to_le16(255)
563 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
564 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
565 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
568 u8 macAddr[ETH_ALEN];
570 __le16 shortRetryLimit;
571 __le16 longRetryLimit;
572 __le16 txLifetime; /* in kusec */
573 __le16 rxLifetime; /* in kusec */
576 __le16 u16deviceType; /* for overriding device type */
579 __le16 _reserved1[3];
580 /*---------- Scanning/Associating ----------*/
582 #define SCANMODE_ACTIVE cpu_to_le16(0)
583 #define SCANMODE_PASSIVE cpu_to_le16(1)
584 #define SCANMODE_AIROSCAN cpu_to_le16(2)
585 __le16 probeDelay; /* in kusec */
586 __le16 probeEnergyTimeout; /* in kusec */
587 __le16 probeResponseTimeout;
588 __le16 beaconListenTimeout;
589 __le16 joinNetTimeout;
592 #define AUTH_OPEN cpu_to_le16(0x1)
593 #define AUTH_ENCRYPT cpu_to_le16(0x101)
594 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
595 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
596 __le16 associationTimeout;
597 __le16 specifiedApTimeout;
598 __le16 offlineScanInterval;
599 __le16 offlineScanDuration;
600 __le16 linkLossDelay;
601 __le16 maxBeaconLostTime;
602 __le16 refreshInterval;
603 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
604 __le16 _reserved1a[1];
605 /*---------- Power save operation ----------*/
606 __le16 powerSaveMode;
607 #define POWERSAVE_CAM cpu_to_le16(0)
608 #define POWERSAVE_PSP cpu_to_le16(1)
609 #define POWERSAVE_PSPCAM cpu_to_le16(2)
610 __le16 sleepForDtims;
611 __le16 listenInterval;
612 __le16 fastListenInterval;
614 __le16 fastListenDelay;
615 __le16 _reserved2[2];
616 /*---------- Ap/Ibss config items ----------*/
623 __le16 bridgeDistance;
625 /*---------- Radio configuration ----------*/
627 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
628 #define RADIOTYPE_802_11 cpu_to_le16(1)
629 #define RADIOTYPE_LEGACY cpu_to_le16(2)
633 #define TXPOWER_DEFAULT 0
634 __le16 rssiThreshold;
635 #define RSSI_DEFAULT 0
637 #define PREAMBLE_AUTO cpu_to_le16(0)
638 #define PREAMBLE_LONG cpu_to_le16(1)
639 #define PREAMBLE_SHORT cpu_to_le16(2)
642 __le16 radioSpecific;
643 /*---------- Aironet Extensions ----------*/
648 __le16 _reserved4[1];
649 /*---------- Aironet Extensions ----------*/
651 #define MAGIC_ACTION_STSCHG 1
652 #define MAGIC_ACTION_RESUME 2
653 #define MAGIC_IGNORE_MCAST (1<<8)
654 #define MAGIC_IGNORE_BCAST (1<<9)
655 #define MAGIC_SWITCH_TO_PSP (0<<10)
656 #define MAGIC_STAY_IN_CAM (1<<10)
661 typedef struct StatusRid StatusRid;
671 u8 bssid[4][ETH_ALEN];
678 __le16 hopsToBackbone;
680 __le16 generatedLoad;
681 __le16 accumulatedArl;
682 __le16 signalQuality;
683 __le16 currentXmitRate;
684 __le16 apDevExtensions;
685 __le16 normalizedSignalStrength;
686 __le16 shortPreamble;
688 u8 noisePercent; /* Noise percent in last second */
689 u8 noisedBm; /* Noise dBm in last second */
690 u8 noiseAvePercent; /* Noise percent in last minute */
691 u8 noiseAvedBm; /* Noise dBm in last minute */
692 u8 noiseMaxPercent; /* Highest noise percent in last minute */
693 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
697 #define STAT_NOPACKETS 0
698 #define STAT_NOCARRIERSET 10
699 #define STAT_GOTCARRIERSET 11
700 #define STAT_WRONGSSID 20
701 #define STAT_BADCHANNEL 25
702 #define STAT_BADBITRATES 30
703 #define STAT_BADPRIVACY 35
704 #define STAT_APFOUND 40
705 #define STAT_APREJECTED 50
706 #define STAT_AUTHENTICATING 60
707 #define STAT_DEAUTHENTICATED 61
708 #define STAT_AUTHTIMEOUT 62
709 #define STAT_ASSOCIATING 70
710 #define STAT_DEASSOCIATED 71
711 #define STAT_ASSOCTIMEOUT 72
712 #define STAT_NOTAIROAP 73
713 #define STAT_ASSOCIATED 80
714 #define STAT_LEAPING 90
715 #define STAT_LEAPFAILED 91
716 #define STAT_LEAPTIMEDOUT 92
717 #define STAT_LEAPCOMPLETE 93
720 typedef struct StatsRid StatsRid;
727 typedef struct APListRid APListRid;
733 typedef struct CapabilityRid CapabilityRid;
734 struct CapabilityRid {
742 char factoryAddr[ETH_ALEN];
743 char aironetAddr[ETH_ALEN];
746 char callid[ETH_ALEN];
747 char supportedRates[8];
750 __le16 txPowerLevels[8];
763 /* Only present on firmware >= 5.30.17 */
764 typedef struct BSSListRidExtra BSSListRidExtra;
765 struct BSSListRidExtra {
767 u8 fixed[12]; /* WLAN management frame */
771 typedef struct BSSListRid BSSListRid;
774 __le16 index; /* First is 0 and 0xffff means end of list */
775 #define RADIO_FH 1 /* Frequency hopping radio type */
776 #define RADIO_DS 2 /* Direct sequence radio type */
777 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
779 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
784 #define CAP_ESS cpu_to_le16(1<<0)
785 #define CAP_IBSS cpu_to_le16(1<<1)
786 #define CAP_PRIVACY cpu_to_le16(1<<4)
787 #define CAP_SHORTHDR cpu_to_le16(1<<5)
789 __le16 beaconInterval;
790 u8 rates[8]; /* Same as rates for config rid */
791 struct { /* For frequency hopping only */
801 /* Only present on firmware >= 5.30.17 */
802 BSSListRidExtra extra;
807 struct list_head list;
810 typedef struct tdsRssiEntry tdsRssiEntry;
811 struct tdsRssiEntry {
816 typedef struct tdsRssiRid tdsRssiRid;
822 typedef struct MICRid MICRid;
826 __le16 multicastValid;
832 typedef struct MICBuffer MICBuffer;
855 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
856 #define TXCTL_TXEX (1<<2) /* report if tx fails */
857 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
858 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
859 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
860 #define TXCTL_LLC (1<<4) /* payload is llc */
861 #define TXCTL_RELEASE (0<<5) /* release after completion */
862 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
864 #define BUSY_FID 0x10000
867 #define AIROMAGIC 0xa55a
868 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
869 #ifdef SIOCIWFIRSTPRIV
870 #ifdef SIOCDEVPRIVATE
871 #define AIROOLDIOCTL SIOCDEVPRIVATE
872 #define AIROOLDIDIFC AIROOLDIOCTL + 1
873 #endif /* SIOCDEVPRIVATE */
874 #else /* SIOCIWFIRSTPRIV */
875 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
876 #endif /* SIOCIWFIRSTPRIV */
877 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
878 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
879 * only and don't return the modified struct ifreq to the application which
880 * is usually a problem. - Jean II */
881 #define AIROIOCTL SIOCIWFIRSTPRIV
882 #define AIROIDIFC AIROIOCTL + 1
884 /* Ioctl constants to be used in airo_ioctl.command */
886 #define AIROGCAP 0 // Capability rid
887 #define AIROGCFG 1 // USED A LOT
888 #define AIROGSLIST 2 // System ID list
889 #define AIROGVLIST 3 // List of specified AP's
890 #define AIROGDRVNAM 4 // NOTUSED
891 #define AIROGEHTENC 5 // NOTUSED
892 #define AIROGWEPKTMP 6
893 #define AIROGWEPKNV 7
895 #define AIROGSTATSC32 9
896 #define AIROGSTATSD32 10
897 #define AIROGMICRID 11
898 #define AIROGMICSTATS 12
899 #define AIROGFLAGS 13
902 #define AIRORSWVERSION 17
904 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
906 #define AIROPCAP AIROGSTATSD32 + 40
907 #define AIROPVLIST AIROPCAP + 1
908 #define AIROPSLIST AIROPVLIST + 1
909 #define AIROPCFG AIROPSLIST + 1
910 #define AIROPSIDS AIROPCFG + 1
911 #define AIROPAPLIST AIROPSIDS + 1
912 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
913 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
914 #define AIROPSTCLR AIROPMACOFF + 1
915 #define AIROPWEPKEY AIROPSTCLR + 1
916 #define AIROPWEPKEYNV AIROPWEPKEY + 1
917 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
918 #define AIROPLEAPUSR AIROPLEAPPWD + 1
922 #define AIROFLSHRST AIROPWEPKEYNV + 40
923 #define AIROFLSHGCHR AIROFLSHRST + 1
924 #define AIROFLSHSTFL AIROFLSHGCHR + 1
925 #define AIROFLSHPCHR AIROFLSHSTFL + 1
926 #define AIROFLPUTBUF AIROFLSHPCHR + 1
927 #define AIRORESTART AIROFLPUTBUF + 1
929 #define FLASHSIZE 32768
930 #define AUXMEMSIZE (256 * 1024)
932 typedef struct aironet_ioctl {
933 unsigned short command; // What to do
934 unsigned short len; // Len of data
935 unsigned short ridnum; // rid number
936 unsigned char __user *data; // d-data
939 static const char swversion[] = "2.1";
940 #endif /* CISCO_EXT */
942 #define NUM_MODULES 2
943 #define MIC_MSGLEN_MAX 2400
944 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
945 #define AIRO_DEF_MTU 2312
949 u8 enabled; // MIC enabled or not
950 u32 rxSuccess; // successful packets received
951 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
952 u32 rxNotMICed; // pkts dropped due to not being MIC'd
953 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
954 u32 rxWrongSequence; // pkts dropped due to sequence number violation
959 __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
960 u64 accum; // accumulated mic, reduced to u32 in final()
961 int position; // current position (byte offset) in message
965 } part; // saves partial message word across update() calls
969 emmh32_context seed; // Context - the seed
970 u32 rx; // Received sequence number
971 u32 tx; // Tx sequence number
972 u32 window; // Start of window
973 u8 valid; // Flag to say if context is valid or not
978 miccntx mCtx; // Multicast context
979 miccntx uCtx; // Unicast context
983 unsigned int rid: 16;
984 unsigned int len: 15;
985 unsigned int valid: 1;
986 dma_addr_t host_addr;
990 unsigned int offset: 15;
992 unsigned int len: 15;
993 unsigned int valid: 1;
994 dma_addr_t host_addr;
1006 unsigned int ctl: 15;
1007 unsigned int rdy: 1;
1008 unsigned int len: 15;
1009 unsigned int valid: 1;
1010 dma_addr_t host_addr;
1014 * Host receive descriptor
1017 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1019 RxFid rx_desc; /* card receive descriptor */
1020 char *virtual_host_addr; /* virtual address of host receive
1026 * Host transmit descriptor
1029 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1031 TxFid tx_desc; /* card transmit descriptor */
1032 char *virtual_host_addr; /* virtual address of host receive
1038 * Host RID descriptor
1041 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1043 Rid rid_desc; /* card RID descriptor */
1044 char *virtual_host_addr; /* virtual address of host receive
1053 #define HOST_SET (1 << 0)
1054 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1055 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1056 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1057 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1058 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1059 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1060 #define HOST_RTS (1 << 9) /* Force RTS use */
1061 #define HOST_SHORT (1 << 10) /* Do short preamble */
1088 static WifiCtlHdr wifictlhdr8023 = {
1090 .ctl = HOST_DONT_RLSE,
1094 // A few details needed for WEP (Wireless Equivalent Privacy)
1095 #define MAX_KEY_SIZE 13 // 128 (?) bits
1096 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1097 typedef struct wep_key_t {
1099 u8 key[16]; /* 40-bit and 104-bit keys */
1102 /* List of Wireless Handlers (new API) */
1103 static const struct iw_handler_def airo_handler_def;
1105 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1109 static int get_dec_u16(char *buffer, int *start, int limit);
1110 static void OUT4500(struct airo_info *, u16 reg, u16 value);
1111 static unsigned short IN4500(struct airo_info *, u16 reg);
1112 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1113 static int enable_MAC(struct airo_info *ai, int lock);
1114 static void disable_MAC(struct airo_info *ai, int lock);
1115 static void enable_interrupts(struct airo_info*);
1116 static void disable_interrupts(struct airo_info*);
1117 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,
1135 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket,
1138 static int mpi_send_packet(struct net_device *dev);
1139 static void mpi_unmap_card(struct pci_dev *pci);
1140 static void mpi_receive_802_3(struct airo_info *ai);
1141 static void mpi_receive_802_11(struct airo_info *ai);
1142 static int waitbusy(struct airo_info *ai);
1144 static irqreturn_t airo_interrupt(int irq, void* dev_id);
1145 static int airo_thread(void *data);
1146 static void timer_func(struct net_device *dev);
1147 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1148 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev);
1150 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1151 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1152 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1153 #endif /* CISCO_EXT */
1154 static void micinit(struct airo_info *ai);
1155 static int micsetup(struct airo_info *ai);
1156 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1157 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1159 static u8 airo_rssi_to_dbm(tdsRssiEntry *rssi_rid, u8 rssi);
1160 static u8 airo_dbm_to_pct(tdsRssiEntry *rssi_rid, u8 dbm);
1162 static void airo_networks_free(struct airo_info *ai);
1165 struct net_device *dev;
1166 struct list_head dev_list;
1167 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1168 use the high bit to mark whether it is in use. */
1170 #define MPI_MAX_FIDS 1
1173 char keyindex; // Used with auto wep
1174 char defindex; // Used with auto wep
1175 struct proc_dir_entry *proc_entry;
1176 spinlock_t aux_lock;
1177 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1178 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1179 #define FLAG_RADIO_MASK 0x03
1180 #define FLAG_ENABLED 2
1181 #define FLAG_ADHOC 3 /* Needed by MIC */
1182 #define FLAG_MIC_CAPABLE 4
1183 #define FLAG_UPDATE_MULTI 5
1184 #define FLAG_UPDATE_UNI 6
1185 #define FLAG_802_11 7
1186 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1187 #define FLAG_PENDING_XMIT 9
1188 #define FLAG_PENDING_XMIT11 10
1190 #define FLAG_REGISTERED 12
1191 #define FLAG_COMMIT 13
1192 #define FLAG_RESET 14
1193 #define FLAG_FLASHING 15
1194 #define FLAG_WPA_CAPABLE 16
1195 unsigned long flags;
1198 #define JOB_XMIT11 2
1200 #define JOB_PROMISC 4
1203 #define JOB_AUTOWEP 7
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, true);
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, bool may_sleep)
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, may_sleep);
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);
2169 airo_end_xmit(dev, false);
2170 return NETDEV_TX_OK;
2173 static void airo_end_xmit11(struct net_device *dev, bool may_sleep)
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, may_sleep);
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, false);
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 set_bit(JOB_STATS, &local->jobs);
2292 wake_up_interruptible(&local->thr_wait);
2298 static void airo_set_promisc(struct airo_info *ai, bool may_sleep)
2303 memset(&cmd, 0, sizeof(cmd));
2304 cmd.cmd = CMD_SETMODE;
2305 clear_bit(JOB_PROMISC, &ai->jobs);
2306 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2307 issuecommand(ai, &cmd, &rsp, may_sleep);
2311 static void airo_set_multicast_list(struct net_device *dev)
2313 struct airo_info *ai = dev->ml_priv;
2315 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2316 change_bit(FLAG_PROMISC, &ai->flags);
2317 if (down_trylock(&ai->sem) != 0) {
2318 set_bit(JOB_PROMISC, &ai->jobs);
2319 wake_up_interruptible(&ai->thr_wait);
2321 airo_set_promisc(ai, false);
2324 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2325 /* Turn on multicast. (Should be already setup...) */
2329 static int airo_set_mac_address(struct net_device *dev, void *p)
2331 struct airo_info *ai = dev->ml_priv;
2332 struct sockaddr *addr = p;
2334 readConfigRid(ai, 1);
2335 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2336 set_bit (FLAG_COMMIT, &ai->flags);
2338 writeConfigRid (ai, 1);
2340 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2342 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2346 static LIST_HEAD(airo_devices);
2348 static void add_airo_dev(struct airo_info *ai)
2350 /* Upper layers already keep track of PCI devices,
2351 * so we only need to remember our non-PCI cards. */
2353 list_add_tail(&ai->dev_list, &airo_devices);
2356 static void del_airo_dev(struct airo_info *ai)
2359 list_del(&ai->dev_list);
2362 static int airo_close(struct net_device *dev)
2364 struct airo_info *ai = dev->ml_priv;
2366 netif_stop_queue(dev);
2368 if (ai->wifidev != dev) {
2369 #ifdef POWER_ON_DOWN
2370 /* Shut power to the card. The idea is that the user can save
2371 * power when he doesn't need the card with "ifconfig down".
2372 * That's the method that is most friendly towards the network
2373 * stack (i.e. the network stack won't try to broadcast
2374 * anything on the interface and routes are gone. Jean II */
2375 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2378 disable_interrupts(ai);
2380 free_irq(dev->irq, dev);
2382 set_bit(JOB_DIE, &ai->jobs);
2383 kthread_stop(ai->airo_thread_task);
2388 void stop_airo_card(struct net_device *dev, int freeres)
2390 struct airo_info *ai = dev->ml_priv;
2392 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2394 disable_interrupts(ai);
2395 takedown_proc_entry(dev, ai);
2396 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2397 unregister_netdev(dev);
2399 unregister_netdev(ai->wifidev);
2400 free_netdev(ai->wifidev);
2403 clear_bit(FLAG_REGISTERED, &ai->flags);
2406 * Clean out tx queue
2408 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2409 struct sk_buff *skb = NULL;
2410 for (;(skb = skb_dequeue(&ai->txq));)
2414 airo_networks_free (ai);
2420 /* PCMCIA frees this stuff, so only for PCI and ISA */
2421 release_region(dev->base_addr, 64);
2422 if (test_bit(FLAG_MPI, &ai->flags)) {
2424 mpi_unmap_card(ai->pci);
2426 iounmap(ai->pcimem);
2428 iounmap(ai->pciaux);
2429 dma_free_coherent(&ai->pci->dev, PCI_SHARED_LEN,
2430 ai->shared, ai->shared_dma);
2433 crypto_free_sync_skcipher(ai->tfm);
2438 EXPORT_SYMBOL(stop_airo_card);
2440 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2442 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2446 static void mpi_unmap_card(struct pci_dev *pci)
2448 unsigned long mem_start = pci_resource_start(pci, 1);
2449 unsigned long mem_len = pci_resource_len(pci, 1);
2450 unsigned long aux_start = pci_resource_start(pci, 2);
2451 unsigned long aux_len = AUXMEMSIZE;
2453 release_mem_region(aux_start, aux_len);
2454 release_mem_region(mem_start, mem_len);
2457 /*************************************************************
2458 * This routine assumes that descriptors have been setup .
2459 * Run at insmod time or after reset when the descriptors
2460 * have been initialized . Returns 0 if all is well nz
2461 * otherwise . Does not allocate memory but sets up card
2462 * using previously allocated descriptors.
2464 static int mpi_init_descriptors (struct airo_info *ai)
2471 /* Alloc card RX descriptors */
2472 netif_stop_queue(ai->dev);
2474 memset(&rsp, 0, sizeof(rsp));
2475 memset(&cmd, 0, sizeof(cmd));
2477 cmd.cmd = CMD_ALLOCATEAUX;
2479 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2480 cmd.parm2 = MPI_MAX_FIDS;
2481 rc = issuecommand(ai, &cmd, &rsp, true);
2482 if (rc != SUCCESS) {
2483 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2487 for (i = 0; i<MPI_MAX_FIDS; i++) {
2488 memcpy_toio(ai->rxfids[i].card_ram_off,
2489 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2492 /* Alloc card TX descriptors */
2494 memset(&rsp, 0, sizeof(rsp));
2495 memset(&cmd, 0, sizeof(cmd));
2497 cmd.cmd = CMD_ALLOCATEAUX;
2499 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2500 cmd.parm2 = MPI_MAX_FIDS;
2502 for (i = 0; i<MPI_MAX_FIDS; i++) {
2503 ai->txfids[i].tx_desc.valid = 1;
2504 memcpy_toio(ai->txfids[i].card_ram_off,
2505 &ai->txfids[i].tx_desc, sizeof(TxFid));
2507 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2509 rc = issuecommand(ai, &cmd, &rsp, true);
2510 if (rc != SUCCESS) {
2511 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2515 /* Alloc card Rid descriptor */
2516 memset(&rsp, 0, sizeof(rsp));
2517 memset(&cmd, 0, sizeof(cmd));
2519 cmd.cmd = CMD_ALLOCATEAUX;
2521 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2522 cmd.parm2 = 1; /* Magic number... */
2523 rc = issuecommand(ai, &cmd, &rsp, true);
2524 if (rc != SUCCESS) {
2525 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2529 memcpy_toio(ai->config_desc.card_ram_off,
2530 &ai->config_desc.rid_desc, sizeof(Rid));
2536 * We are setting up three things here:
2537 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2538 * 2) Map PCI memory for issuing commands.
2539 * 3) Allocate memory (shared) to send and receive ethernet frames.
2541 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2543 unsigned long mem_start, mem_len, aux_start, aux_len;
2546 dma_addr_t busaddroff;
2547 unsigned char *vpackoff;
2548 unsigned char __iomem *pciaddroff;
2550 mem_start = pci_resource_start(pci, 1);
2551 mem_len = pci_resource_len(pci, 1);
2552 aux_start = pci_resource_start(pci, 2);
2553 aux_len = AUXMEMSIZE;
2555 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2556 airo_print_err("", "Couldn't get region %x[%x]",
2557 (int)mem_start, (int)mem_len);
2560 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2561 airo_print_err("", "Couldn't get region %x[%x]",
2562 (int)aux_start, (int)aux_len);
2566 ai->pcimem = ioremap(mem_start, mem_len);
2568 airo_print_err("", "Couldn't map region %x[%x]",
2569 (int)mem_start, (int)mem_len);
2572 ai->pciaux = ioremap(aux_start, aux_len);
2574 airo_print_err("", "Couldn't map region %x[%x]",
2575 (int)aux_start, (int)aux_len);
2579 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2580 ai->shared = dma_alloc_coherent(&pci->dev, PCI_SHARED_LEN,
2581 &ai->shared_dma, GFP_KERNEL);
2583 airo_print_err("", "Couldn't alloc_coherent %d",
2589 * Setup descriptor RX, TX, CONFIG
2591 busaddroff = ai->shared_dma;
2592 pciaddroff = ai->pciaux + AUX_OFFSET;
2593 vpackoff = ai->shared;
2595 /* RX descriptor setup */
2596 for (i = 0; i < MPI_MAX_FIDS; i++) {
2597 ai->rxfids[i].pending = 0;
2598 ai->rxfids[i].card_ram_off = pciaddroff;
2599 ai->rxfids[i].virtual_host_addr = vpackoff;
2600 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2601 ai->rxfids[i].rx_desc.valid = 1;
2602 ai->rxfids[i].rx_desc.len = PKTSIZE;
2603 ai->rxfids[i].rx_desc.rdy = 0;
2605 pciaddroff += sizeof(RxFid);
2606 busaddroff += PKTSIZE;
2607 vpackoff += PKTSIZE;
2610 /* TX descriptor setup */
2611 for (i = 0; i < MPI_MAX_FIDS; i++) {
2612 ai->txfids[i].card_ram_off = pciaddroff;
2613 ai->txfids[i].virtual_host_addr = vpackoff;
2614 ai->txfids[i].tx_desc.valid = 1;
2615 ai->txfids[i].tx_desc.host_addr = busaddroff;
2616 memcpy(ai->txfids[i].virtual_host_addr,
2617 &wifictlhdr8023, sizeof(wifictlhdr8023));
2619 pciaddroff += sizeof(TxFid);
2620 busaddroff += PKTSIZE;
2621 vpackoff += PKTSIZE;
2623 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2625 /* Rid descriptor setup */
2626 ai->config_desc.card_ram_off = pciaddroff;
2627 ai->config_desc.virtual_host_addr = vpackoff;
2628 ai->config_desc.rid_desc.host_addr = busaddroff;
2629 ai->ridbus = busaddroff;
2630 ai->config_desc.rid_desc.rid = 0;
2631 ai->config_desc.rid_desc.len = RIDSIZE;
2632 ai->config_desc.rid_desc.valid = 1;
2633 pciaddroff += sizeof(Rid);
2634 busaddroff += RIDSIZE;
2635 vpackoff += RIDSIZE;
2637 /* Tell card about descriptors */
2638 if (mpi_init_descriptors (ai) != SUCCESS)
2643 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared,
2646 iounmap(ai->pciaux);
2648 iounmap(ai->pcimem);
2650 release_mem_region(aux_start, aux_len);
2652 release_mem_region(mem_start, mem_len);
2657 static const struct header_ops airo_header_ops = {
2658 .parse = wll_header_parse,
2661 static const struct net_device_ops airo11_netdev_ops = {
2662 .ndo_open = airo_open,
2663 .ndo_stop = airo_close,
2664 .ndo_start_xmit = airo_start_xmit11,
2665 .ndo_get_stats = airo_get_stats,
2666 .ndo_set_mac_address = airo_set_mac_address,
2667 .ndo_do_ioctl = airo_ioctl,
2670 static void wifi_setup(struct net_device *dev)
2672 dev->netdev_ops = &airo11_netdev_ops;
2673 dev->header_ops = &airo_header_ops;
2674 dev->wireless_handlers = &airo_handler_def;
2676 dev->type = ARPHRD_IEEE80211;
2677 dev->hard_header_len = ETH_HLEN;
2678 dev->mtu = AIRO_DEF_MTU;
2680 dev->max_mtu = MIC_MSGLEN_MAX;
2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2684 eth_broadcast_addr(dev->broadcast);
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2689 static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2697 dev->ml_priv = ethdev->ml_priv;
2698 dev->irq = ethdev->irq;
2699 dev->base_addr = ethdev->base_addr;
2700 dev->wireless_data = ethdev->wireless_data;
2701 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2702 eth_hw_addr_inherit(dev, ethdev);
2703 err = register_netdev(dev);
2711 static int reset_card(struct net_device *dev, int lock)
2713 struct airo_info *ai = dev->ml_priv;
2715 if (lock && down_interruptible(&ai->sem))
2718 OUT4500(ai, COMMAND, CMD_SOFTRESET);
2727 #define AIRO_MAX_NETWORK_COUNT 64
2728 static int airo_networks_allocate(struct airo_info *ai)
2733 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2735 if (!ai->networks) {
2736 airo_print_warn("", "Out of memory allocating beacons");
2743 static void airo_networks_free(struct airo_info *ai)
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2749 static void airo_networks_initialize(struct airo_info *ai)
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2760 static const struct net_device_ops airo_netdev_ops = {
2761 .ndo_open = airo_open,
2762 .ndo_stop = airo_close,
2763 .ndo_start_xmit = airo_start_xmit,
2764 .ndo_get_stats = airo_get_stats,
2765 .ndo_set_rx_mode = airo_set_multicast_list,
2766 .ndo_set_mac_address = airo_set_mac_address,
2767 .ndo_do_ioctl = airo_ioctl,
2768 .ndo_validate_addr = eth_validate_addr,
2771 static const struct net_device_ops mpi_netdev_ops = {
2772 .ndo_open = airo_open,
2773 .ndo_stop = airo_close,
2774 .ndo_start_xmit = mpi_start_xmit,
2775 .ndo_get_stats = airo_get_stats,
2776 .ndo_set_rx_mode = airo_set_multicast_list,
2777 .ndo_set_mac_address = airo_set_mac_address,
2778 .ndo_do_ioctl = airo_ioctl,
2779 .ndo_validate_addr = eth_validate_addr,
2783 static struct net_device *_init_airo_card(unsigned short irq, int port,
2784 int is_pcmcia, struct pci_dev *pci,
2785 struct device *dmdev)
2787 struct net_device *dev;
2788 struct airo_info *ai;
2790 CapabilityRid cap_rid;
2792 /* Create the network device object. */
2793 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2795 airo_print_err("", "Couldn't alloc_etherdev");
2799 ai = dev->ml_priv = netdev_priv(dev);
2801 ai->flags = 1 << FLAG_RADIO_DOWN;
2804 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2805 airo_print_dbg("", "Found an MPI350 card");
2806 set_bit(FLAG_MPI, &ai->flags);
2808 spin_lock_init(&ai->aux_lock);
2809 sema_init(&ai->sem, 1);
2812 init_waitqueue_head (&ai->thr_wait);
2815 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2817 if (airo_networks_allocate (ai))
2819 airo_networks_initialize (ai);
2821 skb_queue_head_init (&ai->txq);
2823 /* The Airo-specific entries in the device structure. */
2824 if (test_bit(FLAG_MPI,&ai->flags))
2825 dev->netdev_ops = &mpi_netdev_ops;
2827 dev->netdev_ops = &airo_netdev_ops;
2828 dev->wireless_handlers = &airo_handler_def;
2829 ai->wireless_data.spy_data = &ai->spy_data;
2830 dev->wireless_data = &ai->wireless_data;
2832 dev->base_addr = port;
2833 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2834 dev->max_mtu = MIC_MSGLEN_MAX;
2836 SET_NETDEV_DEV(dev, dmdev);
2838 reset_card (dev, 1);
2842 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2844 airo_print_err(dev->name, "Couldn't request region");
2849 if (test_bit(FLAG_MPI,&ai->flags)) {
2850 if (mpi_map_card(ai, pci)) {
2851 airo_print_err("", "Could not map memory");
2857 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2858 airo_print_err(dev->name, "MAC could not be enabled");
2862 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2863 ai->bap_read = fast_bap_read;
2864 set_bit(FLAG_FLASHING, &ai->flags);
2867 strcpy(dev->name, "eth%d");
2868 rc = register_netdev(dev);
2870 airo_print_err(dev->name, "Couldn't register_netdev");
2873 ai->wifidev = init_wifidev(ai, dev);
2877 rc = readCapabilityRid(ai, &cap_rid, 1);
2878 if (rc != SUCCESS) {
2882 /* WEP capability discovery */
2883 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2884 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2886 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2887 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2888 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2889 le16_to_cpu(cap_rid.softSubVer));
2891 /* Test for WPA support */
2892 /* Only firmware versions 5.30.17 or better can do WPA */
2893 if (le16_to_cpu(cap_rid.softVer) > 0x530
2894 || (le16_to_cpu(cap_rid.softVer) == 0x530
2895 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2896 airo_print_info(ai->dev->name, "WPA supported.");
2898 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2899 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2900 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid);
2903 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2904 "versions older than 5.30.17.");
2906 ai->bssListFirst = RID_BSSLISTFIRST;
2907 ai->bssListNext = RID_BSSLISTNEXT;
2908 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2911 set_bit(FLAG_REGISTERED,&ai->flags);
2912 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2914 /* Allocate the transmit buffers */
2915 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2916 for (i = 0; i < MAX_FIDS; i++)
2917 ai->fids[i] = transmit_allocate(ai, AIRO_DEF_MTU, i>=MAX_FIDS/2);
2919 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2925 unregister_netdev(ai->wifidev);
2926 free_netdev(ai->wifidev);
2928 unregister_netdev(dev);
2930 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2931 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared,
2933 iounmap(ai->pciaux);
2934 iounmap(ai->pcimem);
2935 mpi_unmap_card(ai->pci);
2939 release_region(dev->base_addr, 64);
2941 airo_networks_free(ai);
2948 struct net_device *init_airo_card(unsigned short irq, int port, int is_pcmcia,
2949 struct device *dmdev)
2951 return _init_airo_card (irq, port, is_pcmcia, NULL, dmdev);
2954 EXPORT_SYMBOL(init_airo_card);
2956 static int waitbusy (struct airo_info *ai)
2959 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2961 if ((++delay % 20) == 0)
2962 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2964 return delay < 10000;
2967 int reset_airo_card(struct net_device *dev)
2970 struct airo_info *ai = dev->ml_priv;
2972 if (reset_card (dev, 1))
2975 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2976 airo_print_err(dev->name, "MAC could not be enabled");
2979 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2980 /* Allocate the transmit buffers if needed */
2981 if (!test_bit(FLAG_MPI,&ai->flags))
2982 for (i = 0; i < MAX_FIDS; i++)
2983 ai->fids[i] = transmit_allocate (ai, AIRO_DEF_MTU, i>=MAX_FIDS/2);
2985 enable_interrupts(ai);
2986 netif_wake_queue(dev);
2990 EXPORT_SYMBOL(reset_airo_card);
2992 static void airo_send_event(struct net_device *dev)
2994 struct airo_info *ai = dev->ml_priv;
2995 union iwreq_data wrqu;
2996 StatusRid status_rid;
2998 clear_bit(JOB_EVENT, &ai->jobs);
2999 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3001 wrqu.data.length = 0;
3002 wrqu.data.flags = 0;
3003 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3004 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3006 /* Send event to user space */
3007 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3010 static void airo_process_scan_results (struct airo_info *ai)
3012 union iwreq_data wrqu;
3015 BSSListElement * loop_net;
3016 BSSListElement * tmp_net;
3018 /* Blow away current list of scan results */
3019 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3020 list_move_tail (&loop_net->list, &ai->network_free_list);
3021 /* Don't blow away ->list, just BSS data */
3022 memset (loop_net, 0, sizeof (loop_net->bss));
3025 /* Try to read the first entry of the scan result */
3026 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3027 if ((rc) || (bss.index == cpu_to_le16(0xffff))) {
3028 /* No scan results */
3032 /* Read and parse all entries */
3034 while ((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3035 /* Grab a network off the free list */
3036 if (!list_empty(&ai->network_free_list)) {
3037 tmp_net = list_entry(ai->network_free_list.next,
3038 BSSListElement, list);
3039 list_del(ai->network_free_list.next);
3042 if (tmp_net != NULL) {
3043 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3044 list_add_tail(&tmp_net->list, &ai->network_list);
3048 /* Read next entry */
3049 rc = PC4500_readrid(ai, ai->bssListNext,
3050 &bss, ai->bssListRidLen, 0);
3054 /* write APList back (we cleared it in airo_set_scan) */
3056 writeAPListRid(ai, &ai->APList, 0);
3059 ai->scan_timeout = 0;
3060 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3063 /* Send an empty event to user space.
3064 * We don't send the received data on
3065 * the event because it would require
3066 * us to do complex transcoding, and
3067 * we want to minimise the work done in
3068 * the irq handler. Use a request to
3069 * extract the data - Jean II */
3070 wrqu.data.length = 0;
3071 wrqu.data.flags = 0;
3072 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3075 static int airo_thread(void *data)
3077 struct net_device *dev = data;
3078 struct airo_info *ai = dev->ml_priv;
3083 /* make swsusp happy with our thread */
3086 if (test_bit(JOB_DIE, &ai->jobs))
3090 locked = down_interruptible(&ai->sem);
3092 wait_queue_entry_t wait;
3094 init_waitqueue_entry(&wait, current);
3095 add_wait_queue(&ai->thr_wait, &wait);
3097 set_current_state(TASK_INTERRUPTIBLE);
3100 if (ai->expires || ai->scan_timeout) {
3101 if (ai->scan_timeout &&
3102 time_after_eq(jiffies, ai->scan_timeout)) {
3103 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3105 } else if (ai->expires &&
3106 time_after_eq(jiffies, ai->expires)) {
3107 set_bit(JOB_AUTOWEP, &ai->jobs);
3110 if (!kthread_should_stop() &&
3111 !freezing(current)) {
3112 unsigned long wake_at;
3113 if (!ai->expires || !ai->scan_timeout) {
3114 wake_at = max(ai->expires,
3117 wake_at = min(ai->expires,
3120 schedule_timeout(wake_at - jiffies);
3123 } else if (!kthread_should_stop() &&
3124 !freezing(current)) {
3130 __set_current_state(TASK_RUNNING);
3131 remove_wait_queue(&ai->thr_wait, &wait);
3138 if (test_bit(JOB_DIE, &ai->jobs)) {
3143 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3148 if (test_bit(JOB_XMIT, &ai->jobs))
3149 airo_end_xmit(dev, true);
3150 else if (test_bit(JOB_XMIT11, &ai->jobs))
3151 airo_end_xmit11(dev, true);
3152 else if (test_bit(JOB_STATS, &ai->jobs))
3153 airo_read_stats(dev);
3154 else if (test_bit(JOB_PROMISC, &ai->jobs))
3155 airo_set_promisc(ai, true);
3156 else if (test_bit(JOB_MIC, &ai->jobs))
3158 else if (test_bit(JOB_EVENT, &ai->jobs))
3159 airo_send_event(dev);
3160 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3162 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3163 airo_process_scan_results(ai);
3164 else /* Shouldn't get here, but we make sure to unlock */
3171 static int header_len(__le16 ctl)
3173 u16 fc = le16_to_cpu(ctl);
3176 if ((fc & 0xe0) == 0xc0)
3177 return 10; /* one-address control packet */
3178 return 16; /* two-address control packet */
3180 if ((fc & 0x300) == 0x300)
3181 return 30; /* WDS packet */
3186 static void airo_handle_cisco_mic(struct airo_info *ai)
3188 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3189 set_bit(JOB_MIC, &ai->jobs);
3190 wake_up_interruptible(&ai->thr_wait);
3194 /* Airo Status codes */
3195 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3196 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3197 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3198 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3199 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3200 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3201 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3202 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3203 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3204 #define STAT_ASSOC 0x0400 /* Associated */
3205 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3207 static void airo_print_status(const char *devname, u16 status)
3209 u8 reason = status & 0xFF;
3211 switch (status & 0xFF00) {
3215 airo_print_dbg(devname, "link lost (missed beacons)");
3217 case STAT_MAXRETRIES:
3219 airo_print_dbg(devname, "link lost (max retries)");
3221 case STAT_FORCELOSS:
3222 airo_print_dbg(devname, "link lost (local choice)");
3225 airo_print_dbg(devname, "link lost (TSF sync lost)");
3228 airo_print_dbg(devname, "unknown status %x\n", status);
3233 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3236 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3238 case STAT_ASSOC_FAIL:
3239 airo_print_dbg(devname, "association failed (reason: %d)",
3242 case STAT_AUTH_FAIL:
3243 airo_print_dbg(devname, "authentication failed (reason: %d)",
3250 airo_print_dbg(devname, "unknown status %x\n", status);
3255 static void airo_handle_link(struct airo_info *ai)
3257 union iwreq_data wrqu;
3258 int scan_forceloss = 0;
3261 /* Get new status and acknowledge the link change */
3262 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3263 OUT4500(ai, EVACK, EV_LINK);
3265 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3268 airo_print_status(ai->dev->name, status);
3270 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3273 if (ai->list_bss_task)
3274 wake_up_process(ai->list_bss_task);
3275 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3276 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3278 set_bit(JOB_EVENT, &ai->jobs);
3279 wake_up_interruptible(&ai->thr_wait);
3281 netif_carrier_on(ai->dev);
3282 } else if (!scan_forceloss) {
3283 if (auto_wep && !ai->expires) {
3284 ai->expires = RUN_AT(3*HZ);
3285 wake_up_interruptible(&ai->thr_wait);
3288 /* Send event to user space */
3289 eth_zero_addr(wrqu.ap_addr.sa_data);
3290 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3291 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3292 netif_carrier_off(ai->dev);
3294 netif_carrier_off(ai->dev);
3298 static void airo_handle_rx(struct airo_info *ai)
3300 struct sk_buff *skb = NULL;
3301 __le16 fc, v, *buffer, tmpbuf[4];
3302 u16 len, hdrlen = 0, gap, fid;
3306 if (test_bit(FLAG_MPI, &ai->flags)) {
3307 if (test_bit(FLAG_802_11, &ai->flags))
3308 mpi_receive_802_11(ai);
3310 mpi_receive_802_3(ai);
3311 OUT4500(ai, EVACK, EV_RX);
3315 fid = IN4500(ai, RXFID);
3317 /* Get the packet length */
3318 if (test_bit(FLAG_802_11, &ai->flags)) {
3319 bap_setup (ai, fid, 4, BAP0);
3320 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3321 /* Bad CRC. Ignore packet */
3322 if (le16_to_cpu(hdr.status) & 2)
3324 if (ai->wifidev == NULL)
3327 bap_setup(ai, fid, 0x36, BAP0);
3328 bap_read(ai, &hdr.len, 2, BAP0);
3330 len = le16_to_cpu(hdr.len);
3332 if (len > AIRO_DEF_MTU) {
3333 airo_print_err(ai->dev->name, "Bad size %d", len);
3339 if (test_bit(FLAG_802_11, &ai->flags)) {
3340 bap_read(ai, &fc, sizeof (fc), BAP0);
3341 hdrlen = header_len(fc);
3343 hdrlen = ETH_ALEN * 2;
3345 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3347 ai->dev->stats.rx_dropped++;
3351 skb_reserve(skb, 2); /* This way the IP header is aligned */
3352 buffer = skb_put(skb, len + hdrlen);
3353 if (test_bit(FLAG_802_11, &ai->flags)) {
3355 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3357 bap_read(ai, tmpbuf, 6, BAP0);
3359 bap_read(ai, &v, sizeof(v), BAP0);
3360 gap = le16_to_cpu(v);
3363 bap_read(ai, tmpbuf, gap, BAP0);
3365 airo_print_err(ai->dev->name, "gaplen too "
3366 "big. Problems will follow...");
3369 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3373 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3374 if (ai->micstats.enabled) {
3375 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3376 if (ntohs(micbuf.typelen) > 0x05DC)
3377 bap_setup(ai, fid, 0x44, BAP0);
3379 if (len <= sizeof (micbuf)) {
3380 dev_kfree_skb_irq(skb);
3384 len -= sizeof(micbuf);
3385 skb_trim(skb, len + hdrlen);
3389 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3390 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3391 dev_kfree_skb_irq (skb);
3397 if (success && (ai->spy_data.spy_number > 0)) {
3399 struct iw_quality wstats;
3401 /* Prepare spy data : addr + qual */
3402 if (!test_bit(FLAG_802_11, &ai->flags)) {
3403 sa = (char *) buffer + 6;
3404 bap_setup(ai, fid, 8, BAP0);
3405 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3407 sa = (char *) buffer + 10;
3408 wstats.qual = hdr.rssi[0];
3410 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3412 wstats.level = (hdr.rssi[1] + 321) / 2;
3413 wstats.noise = ai->wstats.qual.noise;
3414 wstats.updated = IW_QUAL_LEVEL_UPDATED
3415 | IW_QUAL_QUAL_UPDATED
3417 /* Update spy records */
3418 wireless_spy_update(ai->dev, sa, &wstats);
3420 #endif /* WIRELESS_SPY */
3423 OUT4500(ai, EVACK, EV_RX);
3426 if (test_bit(FLAG_802_11, &ai->flags)) {
3427 skb_reset_mac_header(skb);
3428 skb->pkt_type = PACKET_OTHERHOST;
3429 skb->dev = ai->wifidev;
3430 skb->protocol = htons(ETH_P_802_2);
3432 skb->protocol = eth_type_trans(skb, ai->dev);
3433 skb->ip_summed = CHECKSUM_NONE;
3439 static void airo_handle_tx(struct airo_info *ai, u16 status)
3444 if (test_bit(FLAG_MPI, &ai->flags)) {
3445 unsigned long flags;
3447 if (status & EV_TXEXC)
3448 get_tx_error(ai, -1);
3450 spin_lock_irqsave(&ai->aux_lock, flags);
3451 if (!skb_queue_empty(&ai->txq)) {
3452 spin_unlock_irqrestore(&ai->aux_lock, flags);
3453 mpi_send_packet(ai->dev);
3455 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3456 spin_unlock_irqrestore(&ai->aux_lock, flags);
3457 netif_wake_queue(ai->dev);
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3463 fid = IN4500(ai, TXCOMPLFID);
3465 for (i = 0; i < MAX_FIDS; i++) {
3466 if ((ai->fids[i] & 0xffff) == fid)
3471 if (status & EV_TXEXC)
3472 get_tx_error(ai, index);
3474 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3476 /* Set up to be used again */
3477 ai->fids[index] &= 0xffff;
3478 if (index < MAX_FIDS / 2) {
3479 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3480 netif_wake_queue(ai->dev);
3482 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3483 netif_wake_queue(ai->wifidev);
3486 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3487 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3491 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3493 struct net_device *dev = dev_id;
3494 u16 status, savedInterrupts = 0;
3495 struct airo_info *ai = dev->ml_priv;
3498 if (!netif_device_present(dev))
3502 status = IN4500(ai, EVSTAT);
3503 if (!(status & STATUS_INTS) || (status == 0xffff))
3508 if (status & EV_AWAKE) {
3509 OUT4500(ai, EVACK, EV_AWAKE);
3510 OUT4500(ai, EVACK, EV_AWAKE);
3513 if (!savedInterrupts) {
3514 savedInterrupts = IN4500(ai, EVINTEN);
3515 OUT4500(ai, EVINTEN, 0);
3518 if (status & EV_MIC) {
3519 OUT4500(ai, EVACK, EV_MIC);
3520 airo_handle_cisco_mic(ai);
3523 if (status & EV_LINK) {
3524 /* Link status changed */
3525 airo_handle_link(ai);
3528 /* Check to see if there is something to receive */
3532 /* Check to see if a packet has been transmitted */
3533 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3534 airo_handle_tx(ai, status);
3536 if (status & ~STATUS_INTS & ~IGNORE_INTS) {
3537 airo_print_warn(ai->dev->name, "Got weird status %x",
3538 status & ~STATUS_INTS & ~IGNORE_INTS);
3542 if (savedInterrupts)
3543 OUT4500(ai, EVINTEN, savedInterrupts);
3545 return IRQ_RETVAL(handled);
3549 * Routines to talk to the card
3553 * This was originally written for the 4500, hence the name
3554 * NOTE: If use with 8bit mode and SMP bad things will happen!
3555 * Why would some one do 8 bit IO in an SMP machine?!?
3557 static void OUT4500(struct airo_info *ai, u16 reg, u16 val)
3559 if (test_bit(FLAG_MPI,&ai->flags))
3562 outw(val, ai->dev->base_addr + reg);
3564 outb(val & 0xff, ai->dev->base_addr + reg);
3565 outb(val >> 8, ai->dev->base_addr + reg + 1);
3569 static u16 IN4500(struct airo_info *ai, u16 reg)
3573 if (test_bit(FLAG_MPI,&ai->flags))
3576 rc = inw(ai->dev->base_addr + reg);
3578 rc = inb(ai->dev->base_addr + reg);
3579 rc += ((int)inb(ai->dev->base_addr + reg + 1)) << 8;
3584 static int enable_MAC(struct airo_info *ai, int lock)
3590 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3591 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3592 * Note : we could try to use !netif_running(dev) in enable_MAC()
3593 * instead of this flag, but I don't trust it *within* the
3594 * open/close functions, and testing both flags together is
3595 * "cheaper" - Jean II */
3596 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3598 if (lock && down_interruptible(&ai->sem))
3599 return -ERESTARTSYS;
3601 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3602 memset(&cmd, 0, sizeof(cmd));
3603 cmd.cmd = MAC_ENABLE;
3604 rc = issuecommand(ai, &cmd, &rsp, true);
3606 set_bit(FLAG_ENABLED, &ai->flags);
3614 airo_print_err(ai->dev->name, "Cannot enable MAC");
3615 else if ((rsp.status & 0xFF00) != 0) {
3616 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3617 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3623 static void disable_MAC(struct airo_info *ai, int lock)
3628 if (lock == 1 && down_interruptible(&ai->sem))
3631 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3632 if (lock != 2) /* lock == 2 means don't disable carrier */
3633 netif_carrier_off(ai->dev);
3634 memset(&cmd, 0, sizeof(cmd));
3635 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3636 issuecommand(ai, &cmd, &rsp, true);
3637 clear_bit(FLAG_ENABLED, &ai->flags);
3643 static void enable_interrupts(struct airo_info *ai)
3645 /* Enable the interrupts */
3646 OUT4500(ai, EVINTEN, STATUS_INTS);
3649 static void disable_interrupts(struct airo_info *ai)
3651 OUT4500(ai, EVINTEN, 0);
3654 static void mpi_receive_802_3(struct airo_info *ai)
3658 struct sk_buff *skb;
3663 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3664 /* Make sure we got something */
3665 if (rxd.rdy && rxd.valid == 0) {
3667 if (len < 12 || len > 2048)
3670 skb = dev_alloc_skb(len);
3672 ai->dev->stats.rx_dropped++;
3675 buffer = skb_put(skb, len);
3676 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3677 if (ai->micstats.enabled) {
3679 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3681 if (ntohs(micbuf.typelen) <= 0x05DC) {
3682 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3685 off = sizeof(micbuf);
3686 skb_trim (skb, len - off);
3689 memcpy(buffer + ETH_ALEN * 2,
3690 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3691 len - ETH_ALEN * 2 - off);
3692 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3694 dev_kfree_skb_irq (skb);
3698 if (ai->spy_data.spy_number > 0) {
3700 struct iw_quality wstats;
3701 /* Prepare spy data : addr + qual */
3702 sa = buffer + ETH_ALEN;
3703 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3706 /* Update spy records */
3707 wireless_spy_update(ai->dev, sa, &wstats);
3709 #endif /* WIRELESS_SPY */
3711 skb->ip_summed = CHECKSUM_NONE;
3712 skb->protocol = eth_type_trans(skb, ai->dev);
3716 if (rxd.valid == 0) {
3720 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3724 static void mpi_receive_802_11(struct airo_info *ai)
3727 struct sk_buff *skb = NULL;
3728 u16 len, hdrlen = 0;
3733 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3735 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3736 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3738 /* Bad CRC. Ignore packet */
3739 if (le16_to_cpu(hdr.status) & 2)
3741 if (ai->wifidev == NULL)
3743 len = le16_to_cpu(hdr.len);
3744 if (len > AIRO_DEF_MTU) {
3745 airo_print_err(ai->dev->name, "Bad size %d", len);
3751 fc = get_unaligned((__le16 *)ptr);
3752 hdrlen = header_len(fc);
3754 skb = dev_alloc_skb(len + hdrlen + 2);
3756 ai->dev->stats.rx_dropped++;
3759 buffer = skb_put(skb, len + hdrlen);
3760 memcpy ((char *)buffer, ptr, hdrlen);
3764 gap = get_unaligned_le16(ptr);
3765 ptr += sizeof(__le16);
3770 airo_print_err(ai->dev->name,
3771 "gaplen too big. Problems will follow...");
3773 memcpy ((char *)buffer + hdrlen, ptr, len);
3775 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3776 if (ai->spy_data.spy_number > 0) {
3778 struct iw_quality wstats;
3779 /* Prepare spy data : addr + qual */
3780 sa = (char*)buffer + 10;
3781 wstats.qual = hdr.rssi[0];
3783 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3785 wstats.level = (hdr.rssi[1] + 321) / 2;
3786 wstats.noise = ai->wstats.qual.noise;
3787 wstats.updated = IW_QUAL_QUAL_UPDATED
3788 | IW_QUAL_LEVEL_UPDATED
3790 /* Update spy records */
3791 wireless_spy_update(ai->dev, sa, &wstats);
3793 #endif /* IW_WIRELESS_SPY */
3794 skb_reset_mac_header(skb);
3795 skb->pkt_type = PACKET_OTHERHOST;
3796 skb->dev = ai->wifidev;
3797 skb->protocol = htons(ETH_P_802_2);
3798 skb->ip_summed = CHECKSUM_NONE;
3802 if (rxd.valid == 0) {
3806 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3810 static inline void set_auth_type(struct airo_info *local, int auth_type)
3812 local->config.authType = auth_type;
3813 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3814 * Used by airo_set_auth()
3816 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3817 local->last_auth = auth_type;
3820 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3830 memset(&mySsid, 0, sizeof(mySsid));
3834 /* The NOP is the first step in getting the card going */
3836 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3837 if (lock && down_interruptible(&ai->sem))
3839 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) {
3846 // Let's figure out if we need to use the AUX port
3847 if (!test_bit(FLAG_MPI,&ai->flags)) {
3848 cmd.cmd = CMD_ENABLEAUX;
3849 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) {
3852 airo_print_err(ai->dev->name, "Error checking for AUX port");
3855 if (!aux_bap || rsp.status & 0xff00) {
3856 ai->bap_read = fast_bap_read;
3857 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3859 ai->bap_read = aux_bap_read;
3860 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3865 if (ai->config.len == 0) {
3867 tdsRssiRid rssi_rid;
3868 CapabilityRid cap_rid;
3872 // general configuration (read/modify/write)
3873 status = readConfigRid(ai, lock);
3874 if (status != SUCCESS) return ERROR;
3876 status = readCapabilityRid(ai, &cap_rid, lock);
3877 if (status != SUCCESS) return ERROR;
3879 status = PC4500_readrid(ai, RID_RSSI,&rssi_rid, sizeof(rssi_rid), lock);
3880 if (status == SUCCESS) {
3881 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3882 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3887 if (cap_rid.softCap & cpu_to_le16(8))
3888 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3890 airo_print_warn(ai->dev->name, "unknown received signal "
3893 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3894 set_auth_type(ai, AUTH_OPEN);
3895 ai->config.modulation = MOD_CCK;
3897 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3898 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3899 micsetup(ai) == SUCCESS) {
3900 ai->config.opmode |= MODE_MIC;
3901 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3904 /* Save off the MAC */
3905 for (i = 0; i < ETH_ALEN; i++) {
3906 mac[i] = ai->config.macAddr[i];
3909 /* Check to see if there are any insmod configured
3912 memset(ai->config.rates, 0, sizeof(ai->config.rates));
3913 for (i = 0; i < 8 && rates[i]; i++) {
3914 ai->config.rates[i] = rates[i];
3917 set_bit (FLAG_COMMIT, &ai->flags);
3920 /* Setup the SSIDs if present */
3923 for (i = 0; i < 3 && ssids[i]; i++) {
3924 size_t len = strlen(ssids[i]);
3927 mySsid.ssids[i].len = cpu_to_le16(len);
3928 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3930 mySsid.len = cpu_to_le16(sizeof(mySsid));
3933 status = writeConfigRid(ai, lock);
3934 if (status != SUCCESS) return ERROR;
3936 /* Set up the SSID list */
3938 status = writeSsidRid(ai, &mySsid, lock);
3939 if (status != SUCCESS) return ERROR;
3942 status = enable_MAC(ai, lock);
3943 if (status != SUCCESS)
3946 /* Grab the initial wep key, we gotta save it for auto_wep */
3947 rc = readWepKeyRid(ai, &wkr, 1, lock);
3948 if (rc == SUCCESS) do {
3949 lastindex = wkr.kindex;
3950 if (wkr.kindex == cpu_to_le16(0xffff)) {
3951 ai->defindex = wkr.mac[0];
3953 rc = readWepKeyRid(ai, &wkr, 0, lock);
3954 } while (lastindex != wkr.kindex);
3961 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp,
3964 // Im really paranoid about letting it run forever!
3965 int max_tries = 600000;
3967 if (IN4500(ai, EVSTAT) & EV_CMD)
3968 OUT4500(ai, EVACK, EV_CMD);
3970 OUT4500(ai, PARAM0, pCmd->parm0);
3971 OUT4500(ai, PARAM1, pCmd->parm1);
3972 OUT4500(ai, PARAM2, pCmd->parm2);
3973 OUT4500(ai, COMMAND, pCmd->cmd);
3975 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3976 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3977 // PC4500 didn't notice command, try again
3978 OUT4500(ai, COMMAND, pCmd->cmd);
3979 if (may_sleep && (max_tries & 255) == 0)
3983 if (max_tries == -1) {
3984 airo_print_err(ai->dev->name,
3985 "Max tries exceeded when issuing command");
3986 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3987 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3991 // command completed
3992 pRsp->status = IN4500(ai, STATUS);
3993 pRsp->rsp0 = IN4500(ai, RESP0);
3994 pRsp->rsp1 = IN4500(ai, RESP1);
3995 pRsp->rsp2 = IN4500(ai, RESP2);
3996 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3997 airo_print_err(ai->dev->name,
3998 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3999 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
4002 // clear stuck command busy if necessary
4003 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
4004 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
4006 // acknowledge processing the status/response
4007 OUT4500(ai, EVACK, EV_CMD);
4012 /* Sets up the bap to start exchange data. whichbap should
4013 * be one of the BAP0 or BAP1 defines. Locks should be held before
4015 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap)
4020 OUT4500(ai, SELECT0+whichbap, rid);
4021 OUT4500(ai, OFFSET0+whichbap, offset);
4023 int status = IN4500(ai, OFFSET0+whichbap);
4024 if (status & BAP_BUSY) {
4025 /* This isn't really a timeout, but its kinda
4030 } else if (status & BAP_ERR) {
4031 /* invalid rid or offset */
4032 airo_print_err(ai->dev->name, "BAP error %x %d",
4035 } else if (status & BAP_DONE) { // success
4038 if (!(max_tries--)) {
4039 airo_print_err(ai->dev->name,
4040 "BAP setup error too many retries\n");
4043 // -- PC4500 missed it, try again
4044 OUT4500(ai, SELECT0+whichbap, rid);
4045 OUT4500(ai, OFFSET0+whichbap, offset);
4050 /* should only be called by aux_bap_read. This aux function and the
4051 following use concepts not documented in the developers guide. I
4052 got them from a patch given to my by Aironet */
4053 static u16 aux_setup(struct airo_info *ai, u16 page,
4054 u16 offset, u16 *len)
4058 OUT4500(ai, AUXPAGE, page);
4059 OUT4500(ai, AUXOFF, 0);
4060 next = IN4500(ai, AUXDATA);
4061 *len = IN4500(ai, AUXDATA)&0xff;
4062 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4066 /* requires call to bap_setup() first */
4067 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4068 int bytelen, int whichbap)
4076 unsigned long flags;
4078 spin_lock_irqsave(&ai->aux_lock, flags);
4079 page = IN4500(ai, SWS0+whichbap);
4080 offset = IN4500(ai, SWS2+whichbap);
4081 next = aux_setup(ai, page, offset, &len);
4082 words = (bytelen+1)>>1;
4084 for (i = 0; i<words;) {
4086 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4088 insw(ai->dev->base_addr+DATA0+whichbap,
4091 insb(ai->dev->base_addr+DATA0+whichbap,
4092 pu16Dst+i, count << 1);
4095 next = aux_setup(ai, next, 4, &len);
4098 spin_unlock_irqrestore(&ai->aux_lock, flags);
4103 /* requires call to bap_setup() first */
4104 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4105 int bytelen, int whichbap)
4107 bytelen = (bytelen + 1) & (~1); // round up to even value
4109 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1);
4111 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen);
4115 /* requires call to bap_setup() first */
4116 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4117 int bytelen, int whichbap)
4119 bytelen = (bytelen + 1) & (~1); // round up to even value
4121 outsw(ai->dev->base_addr+DATA0+whichbap,
4122 pu16Src, bytelen>>1);
4124 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen);
4128 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4130 Cmd cmd; /* for issuing commands */
4131 Resp rsp; /* response from commands */
4134 memset(&cmd, 0, sizeof(cmd));
4137 status = issuecommand(ai, &cmd, &rsp, true);
4138 if (status != 0) return status;
4139 if ((rsp.status & 0x7F00) != 0) {
4140 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4145 /* Note, that we are using BAP1 which is also used by transmit, so
4146 * we must get a lock. */
4147 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4153 if (down_interruptible(&ai->sem))
4156 if (test_bit(FLAG_MPI,&ai->flags)) {
4160 memset(&cmd, 0, sizeof(cmd));
4161 memset(&rsp, 0, sizeof(rsp));
4162 ai->config_desc.rid_desc.valid = 1;
4163 ai->config_desc.rid_desc.len = RIDSIZE;
4164 ai->config_desc.rid_desc.rid = 0;
4165 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4167 cmd.cmd = CMD_ACCESS;
4170 memcpy_toio(ai->config_desc.card_ram_off,
4171 &ai->config_desc.rid_desc, sizeof(Rid));
4173 rc = issuecommand(ai, &cmd, &rsp, true);
4175 if (rsp.status & 0x7f00)
4178 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4181 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4185 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4189 // read the rid length field
4190 bap_read(ai, pBuf, 2, BAP1);
4191 // length for remaining part of rid
4192 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4195 airo_print_err(ai->dev->name,
4196 "Rid %x has a length of %d which is too short",
4197 (int)rid, (int)len);
4201 // read remainder of the rid
4202 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4210 /* Note, that we are using BAP1 which is also used by transmit, so
4211 * make sure this isn't called when a transmit is happening */
4212 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4213 const void *pBuf, int len, int lock)
4218 *(__le16*)pBuf = cpu_to_le16((u16)len);
4221 if (down_interruptible(&ai->sem))
4224 if (test_bit(FLAG_MPI,&ai->flags)) {
4228 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4229 airo_print_err(ai->dev->name,
4230 "%s: MAC should be disabled (rid=%04x)",
4232 memset(&cmd, 0, sizeof(cmd));
4233 memset(&rsp, 0, sizeof(rsp));
4235 ai->config_desc.rid_desc.valid = 1;
4236 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4237 ai->config_desc.rid_desc.rid = 0;
4239 cmd.cmd = CMD_WRITERID;
4242 memcpy_toio(ai->config_desc.card_ram_off,
4243 &ai->config_desc.rid_desc, sizeof(Rid));
4245 if (len < 4 || len > 2047) {
4246 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4249 memcpy(ai->config_desc.virtual_host_addr,
4252 rc = issuecommand(ai, &cmd, &rsp, true);
4253 if ((rc & 0xff00) != 0) {
4254 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4256 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4260 if ((rsp.status & 0x7f00))
4264 // --- first access so that we can write the rid data
4265 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4269 // --- now write the rid data
4270 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4274 bap_write(ai, pBuf, len, BAP1);
4275 // ---now commit the rid data
4276 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4284 /* Allocates a FID to be used for transmitting packets. We only use
4286 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4288 unsigned int loop = 3000;
4294 cmd.cmd = CMD_ALLOCATETX;
4295 cmd.parm0 = lenPayload;
4296 if (down_interruptible(&ai->sem))
4298 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) {
4302 if ((rsp.status & 0xFF00) != 0) {
4306 /* wait for the allocate event/indication
4307 * It makes me kind of nervous that this can just sit here and spin,
4308 * but in practice it only loops like four times. */
4309 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4315 // get the allocated fid and acknowledge
4316 txFid = IN4500(ai, TXALLOCFID);
4317 OUT4500(ai, EVACK, EV_ALLOC);
4319 /* The CARD is pretty cool since it converts the ethernet packet
4320 * into 802.11. Also note that we don't release the FID since we
4321 * will be using the same one over and over again. */
4322 /* We only have to setup the control once since we are not
4323 * releasing the fid. */
4325 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4326 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4328 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4329 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4330 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4333 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4341 /* In general BAP1 is dedicated to transmiting packets. However,
4342 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4343 Make sure the BAP1 spinlock is held when this is called. */
4344 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket,
4356 if (len <= ETH_ALEN * 2) {
4357 airo_print_warn(ai->dev->name, "Short packet %d", len);
4360 len -= ETH_ALEN * 2;
4362 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4363 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4364 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS)
4366 miclen = sizeof(pMic);
4368 // packet is destination[6], source[6], payload[len-12]
4369 // write the payload length and dst/src/payload
4370 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4371 /* The hardware addresses aren't counted as part of the payload, so
4372 * we have to subtract the 12 bytes for the addresses off */
4373 payloadLen = cpu_to_le16(len + miclen);
4374 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1);
4375 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4377 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4378 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4379 // issue the transmit command
4380 memset(&cmd, 0, sizeof(cmd));
4381 cmd.cmd = CMD_TRANSMIT;
4383 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS)
4385 if ((rsp.status & 0xFF00) != 0) return ERROR;
4389 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket,
4392 __le16 fc, payloadLen;
4396 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4397 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4401 fc = *(__le16*)pPacket;
4402 hdrlen = header_len(fc);
4405 airo_print_warn(ai->dev->name, "Short packet %d", len);
4409 /* packet is 802.11 header + payload
4410 * write the payload length and dst/src/payload */
4411 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4412 /* The 802.11 header aren't counted as part of the payload, so
4413 * we have to subtract the header bytes off */
4414 payloadLen = cpu_to_le16(len-hdrlen);
4415 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1);
4416 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4417 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4418 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4420 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4421 // issue the transmit command
4422 memset(&cmd, 0, sizeof(cmd));
4423 cmd.cmd = CMD_TRANSMIT;
4425 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS)
4427 if ((rsp.status & 0xFF00) != 0) return ERROR;
4432 * This is the proc_fs routines. It is a bit messier than I would
4433 * like! Feel free to clean it up!
4436 static ssize_t proc_read(struct file *file,
4437 char __user *buffer,
4441 static ssize_t proc_write(struct file *file,
4442 const char __user *buffer,
4445 static int proc_close(struct inode *inode, struct file *file);
4447 static int proc_stats_open(struct inode *inode, struct file *file);
4448 static int proc_statsdelta_open(struct inode *inode, struct file *file);
4449 static int proc_status_open(struct inode *inode, struct file *file);
4450 static int proc_SSID_open(struct inode *inode, struct file *file);
4451 static int proc_APList_open(struct inode *inode, struct file *file);
4452 static int proc_BSSList_open(struct inode *inode, struct file *file);
4453 static int proc_config_open(struct inode *inode, struct file *file);
4454 static int proc_wepkey_open(struct inode *inode, struct file *file);
4456 static const struct proc_ops proc_statsdelta_ops = {
4457 .proc_read = proc_read,
4458 .proc_open = proc_statsdelta_open,
4459 .proc_release = proc_close,
4460 .proc_lseek = default_llseek,
4463 static const struct proc_ops proc_stats_ops = {
4464 .proc_read = proc_read,
4465 .proc_open = proc_stats_open,
4466 .proc_release = proc_close,
4467 .proc_lseek = default_llseek,
4470 static const struct proc_ops proc_status_ops = {
4471 .proc_read = proc_read,
4472 .proc_open = proc_status_open,
4473 .proc_release = proc_close,
4474 .proc_lseek = default_llseek,
4477 static const struct proc_ops proc_SSID_ops = {
4478 .proc_read = proc_read,
4479 .proc_write = proc_write,
4480 .proc_open = proc_SSID_open,
4481 .proc_release = proc_close,
4482 .proc_lseek = default_llseek,
4485 static const struct proc_ops proc_BSSList_ops = {
4486 .proc_read = proc_read,
4487 .proc_write = proc_write,
4488 .proc_open = proc_BSSList_open,
4489 .proc_release = proc_close,
4490 .proc_lseek = default_llseek,
4493 static const struct proc_ops proc_APList_ops = {
4494 .proc_read = proc_read,
4495 .proc_write = proc_write,
4496 .proc_open = proc_APList_open,
4497 .proc_release = proc_close,
4498 .proc_lseek = default_llseek,
4501 static const struct proc_ops proc_config_ops = {
4502 .proc_read = proc_read,
4503 .proc_write = proc_write,
4504 .proc_open = proc_config_open,
4505 .proc_release = proc_close,
4506 .proc_lseek = default_llseek,
4509 static const struct proc_ops proc_wepkey_ops = {
4510 .proc_read = proc_read,
4511 .proc_write = proc_write,
4512 .proc_open = proc_wepkey_open,
4513 .proc_release = proc_close,
4514 .proc_lseek = default_llseek,
4517 static struct proc_dir_entry *airo_entry;
4526 void (*on_close) (struct inode *, struct file *);
4529 static int setup_proc_entry(struct net_device *dev,
4530 struct airo_info *apriv)
4532 struct proc_dir_entry *entry;
4534 /* First setup the device directory */
4535 strcpy(apriv->proc_name, dev->name);
4536 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4538 if (!apriv->proc_entry)
4540 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4542 /* Setup the StatsDelta */
4543 entry = proc_create_data("StatsDelta", 0444 & proc_perm,
4544 apriv->proc_entry, &proc_statsdelta_ops, dev);
4547 proc_set_user(entry, proc_kuid, proc_kgid);
4549 /* Setup the Stats */
4550 entry = proc_create_data("Stats", 0444 & proc_perm,
4551 apriv->proc_entry, &proc_stats_ops, dev);
4554 proc_set_user(entry, proc_kuid, proc_kgid);
4556 /* Setup the Status */
4557 entry = proc_create_data("Status", 0444 & proc_perm,
4558 apriv->proc_entry, &proc_status_ops, dev);
4561 proc_set_user(entry, proc_kuid, proc_kgid);
4563 /* Setup the Config */
4564 entry = proc_create_data("Config", proc_perm,
4565 apriv->proc_entry, &proc_config_ops, dev);
4568 proc_set_user(entry, proc_kuid, proc_kgid);
4570 /* Setup the SSID */
4571 entry = proc_create_data("SSID", proc_perm,
4572 apriv->proc_entry, &proc_SSID_ops, dev);
4575 proc_set_user(entry, proc_kuid, proc_kgid);
4577 /* Setup the APList */
4578 entry = proc_create_data("APList", proc_perm,
4579 apriv->proc_entry, &proc_APList_ops, dev);
4582 proc_set_user(entry, proc_kuid, proc_kgid);
4584 /* Setup the BSSList */
4585 entry = proc_create_data("BSSList", proc_perm,
4586 apriv->proc_entry, &proc_BSSList_ops, dev);
4589 proc_set_user(entry, proc_kuid, proc_kgid);
4591 /* Setup the WepKey */
4592 entry = proc_create_data("WepKey", proc_perm,
4593 apriv->proc_entry, &proc_wepkey_ops, dev);
4596 proc_set_user(entry, proc_kuid, proc_kgid);
4600 remove_proc_subtree(apriv->proc_name, airo_entry);
4604 static int takedown_proc_entry(struct net_device *dev,
4605 struct airo_info *apriv)
4607 remove_proc_subtree(apriv->proc_name, airo_entry);
4612 * What we want from the proc_fs is to be able to efficiently read
4613 * and write the configuration. To do this, we want to read the
4614 * configuration when the file is opened and write it when the file is
4615 * closed. So basically we allocate a read buffer at open and fill it
4616 * with data, and allocate a write buffer and read it at close.
4620 * The read routine is generic, it relies on the preallocated rbuffer
4621 * to supply the data.
4623 static ssize_t proc_read(struct file *file,
4624 char __user *buffer,
4628 struct proc_data *priv = file->private_data;
4633 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4638 * The write routine is generic, it fills in a preallocated rbuffer
4639 * to supply the data.
4641 static ssize_t proc_write(struct file *file,
4642 const char __user *buffer,
4647 struct proc_data *priv = file->private_data;
4652 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4655 priv->writelen = max_t(int, priv->writelen, *offset);
4660 static int proc_status_open(struct inode *inode, struct file *file)
4662 struct proc_data *data;
4663 struct net_device *dev = PDE_DATA(inode);
4664 struct airo_info *apriv = dev->ml_priv;
4665 CapabilityRid cap_rid;
4666 StatusRid status_rid;
4670 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
4672 data = file->private_data;
4673 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) {
4674 kfree (file->private_data);
4678 readStatusRid(apriv, &status_rid, 1);
4679 readCapabilityRid(apriv, &cap_rid, 1);
4681 mode = le16_to_cpu(status_rid.mode);
4683 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4684 mode & 1 ? "CFG ": "",
4685 mode & 2 ? "ACT ": "",
4686 mode & 0x10 ? "SYN ": "",
4687 mode & 0x20 ? "LNK ": "",
4688 mode & 0x40 ? "LEAP ": "",
4689 mode & 0x80 ? "PRIV ": "",
4690 mode & 0x100 ? "KEY ": "",
4691 mode & 0x200 ? "WEP ": "",
4692 mode & 0x8000 ? "ERR ": "");
4693 sprintf(data->rbuffer+i, "Mode: %x\n"
4694 "Signal Strength: %d\n"
4695 "Signal Quality: %d\n"
4700 "Driver Version: %s\n"
4701 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4702 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4703 "Software Version: %x\nSoftware Subversion: %x\n"
4704 "Boot block version: %x\n",
4705 le16_to_cpu(status_rid.mode),
4706 le16_to_cpu(status_rid.normalizedSignalStrength),
4707 le16_to_cpu(status_rid.signalQuality),
4708 le16_to_cpu(status_rid.SSIDlen),
4711 le16_to_cpu(status_rid.channel),
4712 le16_to_cpu(status_rid.currentXmitRate) / 2,
4717 le16_to_cpu(cap_rid.radioType),
4718 le16_to_cpu(cap_rid.country),
4719 le16_to_cpu(cap_rid.hardVer),
4720 le16_to_cpu(cap_rid.softVer),
4721 le16_to_cpu(cap_rid.softSubVer),
4722 le16_to_cpu(cap_rid.bootBlockVer));
4723 data->readlen = strlen(data->rbuffer);
4727 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4728 static int proc_statsdelta_open(struct inode *inode,
4731 if (file->f_mode&FMODE_WRITE) {
4732 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4734 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4737 static int proc_stats_open(struct inode *inode, struct file *file)
4739 return proc_stats_rid_open(inode, file, RID_STATS);
4742 static int proc_stats_rid_open(struct inode *inode,
4746 struct proc_data *data;
4747 struct net_device *dev = PDE_DATA(inode);
4748 struct airo_info *apriv = dev->ml_priv;
4751 __le32 *vals = stats.vals;
4754 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
4756 data = file->private_data;
4757 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) {
4758 kfree (file->private_data);
4762 readStatsRid(apriv, &stats, rid, 1);
4763 len = le16_to_cpu(stats.len);
4766 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4767 if (!statsLabels[i]) continue;
4768 if (j+strlen(statsLabels[i])+16>4096) {
4769 airo_print_warn(apriv->dev->name,
4770 "Potentially disastrous buffer overflow averted!");
4773 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4774 le32_to_cpu(vals[i]));
4777 airo_print_warn(apriv->dev->name, "Got a short rid");
4783 static int get_dec_u16(char *buffer, int *start, int limit)
4787 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4788 buffer[*start] <= '9'; (*start)++) {
4791 value += buffer[*start] - '0';
4793 if (!valid) return -1;
4797 static int airo_config_commit(struct net_device *dev,
4798 struct iw_request_info *info, void *zwrq,
4801 static inline int sniffing_mode(struct airo_info *ai)
4803 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4804 le16_to_cpu(RXMODE_RFMON);
4807 static void proc_config_on_close(struct inode *inode, struct file *file)
4809 struct proc_data *data = file->private_data;
4810 struct net_device *dev = PDE_DATA(inode);
4811 struct airo_info *ai = dev->ml_priv;
4814 if (!data->writelen) return;
4816 readConfigRid(ai, 1);
4817 set_bit (FLAG_COMMIT, &ai->flags);
4819 line = data->wbuffer;
4821 /*** Mode processing */
4822 if (!strncmp(line, "Mode: ", 6)) {
4824 if (sniffing_mode(ai))
4825 set_bit (FLAG_RESET, &ai->flags);
4826 ai->config.rmode &= ~RXMODE_FULL_MASK;
4827 clear_bit (FLAG_802_11, &ai->flags);
4828 ai->config.opmode &= ~MODE_CFG_MASK;
4829 ai->config.scanMode = SCANMODE_ACTIVE;
4830 if (line[0] == 'a') {
4831 ai->config.opmode |= MODE_STA_IBSS;
4833 ai->config.opmode |= MODE_STA_ESS;
4834 if (line[0] == 'r') {
4835 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4836 ai->config.scanMode = SCANMODE_PASSIVE;
4837 set_bit (FLAG_802_11, &ai->flags);
4838 } else if (line[0] == 'y') {
4839 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4840 ai->config.scanMode = SCANMODE_PASSIVE;
4841 set_bit (FLAG_802_11, &ai->flags);
4842 } else if (line[0] == 'l')
4843 ai->config.rmode |= RXMODE_LANMON;
4845 set_bit (FLAG_COMMIT, &ai->flags);
4848 /*** Radio status */
4849 else if (!strncmp(line,"Radio: ", 7)) {
4851 if (!strncmp(line,"off", 3)) {
4852 set_bit (FLAG_RADIO_OFF, &ai->flags);
4854 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4857 /*** NodeName processing */
4858 else if (!strncmp(line, "NodeName: ", 10)) {
4862 memset(ai->config.nodeName, 0, 16);
4863 /* Do the name, assume a space between the mode and node name */
4864 for (j = 0; j < 16 && line[j] != '\n'; j++) {
4865 ai->config.nodeName[j] = line[j];
4867 set_bit (FLAG_COMMIT, &ai->flags);
4870 /*** PowerMode processing */
4871 else if (!strncmp(line, "PowerMode: ", 11)) {
4873 if (!strncmp(line, "PSPCAM", 6)) {
4874 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4875 set_bit (FLAG_COMMIT, &ai->flags);
4876 } else if (!strncmp(line, "PSP", 3)) {
4877 ai->config.powerSaveMode = POWERSAVE_PSP;
4878 set_bit (FLAG_COMMIT, &ai->flags);
4880 ai->config.powerSaveMode = POWERSAVE_CAM;
4881 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if (!strncmp(line, "DataRates: ", 11)) {
4884 int v, i = 0, k = 0; /* i is index into line,
4885 k is index to rates */
4888 while ((v = get_dec_u16(line, &i, 3))!=-1) {
4889 ai->config.rates[k++] = (u8)v;
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if (!strncmp(line, "Channel: ", 9)) {
4897 v = get_dec_u16(line, &i, i+3);
4899 ai->config.channelSet = cpu_to_le16(v);
4900 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if (!strncmp(line, "XmitPower: ", 11)) {
4905 v = get_dec_u16(line, &i, i+3);
4907 ai->config.txPower = cpu_to_le16(v);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if (!strncmp(line, "WEP: ", 5)) {
4914 set_auth_type(ai, AUTH_SHAREDKEY);
4917 set_auth_type(ai, AUTH_ENCRYPT);
4920 set_auth_type(ai, AUTH_OPEN);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if (!strncmp(line, "LongRetryLimit: ", 16)) {
4928 v = get_dec_u16(line, &i, 3);
4929 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4930 ai->config.longRetryLimit = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) {
4936 v = get_dec_u16(line, &i, 3);
4937 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4938 ai->config.shortRetryLimit = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if (!strncmp(line, "RTSThreshold: ", 14)) {
4944 v = get_dec_u16(line, &i, 4);
4945 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4946 ai->config.rtsThres = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) {
4952 v = get_dec_u16(line, &i, 5);
4954 ai->config.txLifetime = cpu_to_le16(v);
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) {
4960 v = get_dec_u16(line, &i, 5);
4962 ai->config.rxLifetime = cpu_to_le16(v);
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if (!strncmp(line, "TXDiversity: ", 13)) {
4965 ai->config.txDiversity =
4966 (line[13]=='l') ? 1 :
4967 ((line[13]=='r')? 2: 3);
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if (!strncmp(line, "RXDiversity: ", 13)) {
4970 ai->config.rxDiversity =
4971 (line[13]=='l') ? 1 :
4972 ((line[13]=='r')? 2: 3);
4973 set_bit (FLAG_COMMIT, &ai->flags);
4974 } else if (!strncmp(line, "FragThreshold: ", 15)) {
4978 v = get_dec_u16(line, &i, 4);
4979 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4980 v = v & 0xfffe; /* Make sure its even */
4981 ai->config.fragThresh = cpu_to_le16(v);
4982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if (!strncmp(line, "Modulation: ", 12)) {
4986 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4987 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4991 } else if (!strncmp(line, "Preamble: ", 10)) {
4994 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5000 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5002 while (line[0] && line[0] != '\n') line++;
5003 if (line[0]) line++;
5005 airo_config_commit(dev, NULL, NULL, NULL);
5008 static const char *get_rmode(__le16 mode)
5010 switch(mode & RXMODE_MASK) {
5011 case RXMODE_RFMON: return "rfmon";
5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5013 case RXMODE_LANMON: return "lanmon";
5018 static int proc_config_open(struct inode *inode, struct file *file)
5020 struct proc_data *data;
5021 struct net_device *dev = PDE_DATA(inode);
5022 struct airo_info *ai = dev->ml_priv;
5026 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5028 data = file->private_data;
5029 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) {
5030 kfree (file->private_data);
5033 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) {
5034 kfree (data->rbuffer);
5035 kfree (file->private_data);
5038 data->maxwritelen = 2048;
5039 data->on_close = proc_config_on_close;
5041 readConfigRid(ai, 1);
5043 mode = ai->config.opmode & MODE_CFG_MASK;
5044 i = sprintf(data->rbuffer,
5049 "DataRates: %d %d %d %d %d %d %d %d\n"
5052 mode == MODE_STA_IBSS ? "adhoc" :
5053 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5054 mode == MODE_AP ? "AP" :
5055 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5056 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5057 ai->config.nodeName,
5058 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5059 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5060 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5062 (int)ai->config.rates[0],
5063 (int)ai->config.rates[1],
5064 (int)ai->config.rates[2],
5065 (int)ai->config.rates[3],
5066 (int)ai->config.rates[4],
5067 (int)ai->config.rates[5],
5068 (int)ai->config.rates[6],
5069 (int)ai->config.rates[7],
5070 le16_to_cpu(ai->config.channelSet),
5071 le16_to_cpu(ai->config.txPower)
5073 sprintf(data->rbuffer + i,
5074 "LongRetryLimit: %d\n"
5075 "ShortRetryLimit: %d\n"
5076 "RTSThreshold: %d\n"
5077 "TXMSDULifetime: %d\n"
5078 "RXMSDULifetime: %d\n"
5081 "FragThreshold: %d\n"
5085 le16_to_cpu(ai->config.longRetryLimit),
5086 le16_to_cpu(ai->config.shortRetryLimit),
5087 le16_to_cpu(ai->config.rtsThres),
5088 le16_to_cpu(ai->config.txLifetime),
5089 le16_to_cpu(ai->config.rxLifetime),
5090 ai->config.txDiversity == 1 ? "left" :
5091 ai->config.txDiversity == 2 ? "right" : "both",
5092 ai->config.rxDiversity == 1 ? "left" :
5093 ai->config.rxDiversity == 2 ? "right" : "both",
5094 le16_to_cpu(ai->config.fragThresh),
5095 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5096 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5097 ai->config.modulation == MOD_DEFAULT ? "default" :
5098 ai->config.modulation == MOD_CCK ? "cck" :
5099 ai->config.modulation == MOD_MOK ? "mok" : "error",
5100 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5101 ai->config.preamble == PREAMBLE_LONG ? "long" :
5102 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5104 data->readlen = strlen(data->rbuffer);
5108 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5110 struct proc_data *data = file->private_data;
5111 struct net_device *dev = PDE_DATA(inode);
5112 struct airo_info *ai = dev->ml_priv;
5115 char *p = data->wbuffer;
5116 char *end = p + data->writelen;
5118 if (!data->writelen)
5121 *end = '\n'; /* sentinel; we have space for it */
5123 memset(&SSID_rid, 0, sizeof(SSID_rid));
5125 for (i = 0; i < 3 && p < end; i++) {
5127 /* copy up to 32 characters from this line */
5128 while (*p != '\n' && j < 32)
5129 SSID_rid.ssids[i].ssid[j++] = *p++;
5132 SSID_rid.ssids[i].len = cpu_to_le16(j);
5133 /* skip to the beginning of the next line */
5134 while (*p++ != '\n')
5138 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5140 writeSsidRid(ai, &SSID_rid, 1);
5144 static void proc_APList_on_close(struct inode *inode, struct file *file)
5146 struct proc_data *data = file->private_data;
5147 struct net_device *dev = PDE_DATA(inode);
5148 struct airo_info *ai = dev->ml_priv;
5149 APListRid *APList_rid = &ai->APList;
5152 if (!data->writelen) return;
5154 memset(APList_rid, 0, sizeof(*APList_rid));
5155 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5157 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5158 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5161 writeAPListRid(ai, APList_rid, 1);
5165 /* This function wraps PC4500_writerid with a MAC disable */
5166 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data,
5172 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5177 /* Returns the WEP key at the specified index, or -1 if that key does
5178 * not exist. The buffer is assumed to be at least 16 bytes in length.
5180 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5186 rc = readWepKeyRid(ai, &wkr, 1, 1);
5190 lastindex = wkr.kindex;
5191 if (le16_to_cpu(wkr.kindex) == index) {
5192 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5193 memcpy(buf, wkr.key, klen);
5196 rc = readWepKeyRid(ai, &wkr, 0, 1);
5199 } while (lastindex != wkr.kindex);
5203 static int get_wep_tx_idx(struct airo_info *ai)
5209 rc = readWepKeyRid(ai, &wkr, 1, 1);
5213 lastindex = wkr.kindex;
5214 if (wkr.kindex == cpu_to_le16(0xffff))
5216 rc = readWepKeyRid(ai, &wkr, 0, 1);
5219 } while (lastindex != wkr.kindex);
5223 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5224 u16 keylen, int perm, int lock)
5226 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5230 if (WARN_ON(keylen == 0))
5233 memset(&wkr, 0, sizeof(wkr));
5234 wkr.len = cpu_to_le16(sizeof(wkr));
5235 wkr.kindex = cpu_to_le16(index);
5236 wkr.klen = cpu_to_le16(keylen);
5237 memcpy(wkr.key, key, keylen);
5238 memcpy(wkr.mac, macaddr, ETH_ALEN);
5240 if (perm) disable_MAC(ai, lock);
5241 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5242 if (perm) enable_MAC(ai, lock);
5246 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5251 memset(&wkr, 0, sizeof(wkr));
5252 wkr.len = cpu_to_le16(sizeof(wkr));
5253 wkr.kindex = cpu_to_le16(0xffff);
5254 wkr.mac[0] = (char)index;
5257 ai->defindex = (char)index;
5258 disable_MAC(ai, lock);
5261 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5264 enable_MAC(ai, lock);
5268 static void proc_wepkey_on_close(struct inode *inode, struct file *file)
5270 struct proc_data *data;
5271 struct net_device *dev = PDE_DATA(inode);
5272 struct airo_info *ai = dev->ml_priv;
5278 memset(key, 0, sizeof(key));
5280 data = file->private_data;
5281 if (!data->writelen) return;
5283 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5284 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5285 index = data->wbuffer[0] - '0';
5286 if (data->wbuffer[1] == '\n') {
5287 rc = set_wep_tx_idx(ai, index, 1, 1);
5289 airo_print_err(ai->dev->name, "failed to set "
5290 "WEP transmit index to %d: %d.",
5297 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5301 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) {
5304 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5307 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5312 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5314 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5315 "%d: %d.", index, rc);
5319 static int proc_wepkey_open(struct inode *inode, struct file *file)
5321 struct proc_data *data;
5322 struct net_device *dev = PDE_DATA(inode);
5323 struct airo_info *ai = dev->ml_priv;
5330 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5332 memset(&wkr, 0, sizeof(wkr));
5333 data = file->private_data;
5334 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) {
5335 kfree (file->private_data);
5339 data->maxwritelen = 80;
5340 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) {
5341 kfree (data->rbuffer);
5342 kfree (file->private_data);
5345 data->on_close = proc_wepkey_on_close;
5347 ptr = data->rbuffer;
5348 strcpy(ptr, "No wep keys\n");
5349 rc = readWepKeyRid(ai, &wkr, 1, 1);
5350 if (rc == SUCCESS) do {
5351 lastindex = wkr.kindex;
5352 if (wkr.kindex == cpu_to_le16(0xffff)) {
5353 j += sprintf(ptr+j, "Tx key = %d\n",
5356 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5357 le16_to_cpu(wkr.kindex),
5358 le16_to_cpu(wkr.klen));
5360 readWepKeyRid(ai, &wkr, 0, 1);
5361 } while ((lastindex != wkr.kindex) && (j < 180-30));
5363 data->readlen = strlen(data->rbuffer);
5367 static int proc_SSID_open(struct inode *inode, struct file *file)
5369 struct proc_data *data;
5370 struct net_device *dev = PDE_DATA(inode);
5371 struct airo_info *ai = dev->ml_priv;
5376 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5378 data = file->private_data;
5379 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) {
5380 kfree (file->private_data);
5384 data->maxwritelen = 33*3;
5385 /* allocate maxwritelen + 1; we'll want a sentinel */
5386 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5387 kfree (data->rbuffer);
5388 kfree (file->private_data);
5391 data->on_close = proc_SSID_on_close;
5393 readSsidRid(ai, &SSID_rid);
5394 ptr = data->rbuffer;
5395 for (i = 0; i < 3; i++) {
5397 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5402 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5403 *ptr++ = SSID_rid.ssids[i].ssid[j];
5407 data->readlen = strlen(data->rbuffer);
5411 static int proc_APList_open(struct inode *inode, struct file *file)
5413 struct proc_data *data;
5414 struct net_device *dev = PDE_DATA(inode);
5415 struct airo_info *ai = dev->ml_priv;
5418 APListRid *APList_rid = &ai->APList;
5420 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5422 data = file->private_data;
5423 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) {
5424 kfree (file->private_data);
5428 data->maxwritelen = 4*6*3;
5429 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) {
5430 kfree (data->rbuffer);
5431 kfree (file->private_data);
5434 data->on_close = proc_APList_on_close;
5436 ptr = data->rbuffer;
5437 for (i = 0; i < 4; i++) {
5438 // We end when we find a zero MAC
5439 if (!*(int*)APList_rid->ap[i] &&
5440 !*(int*)&APList_rid->ap[i][2]) break;
5441 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5443 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5446 data->readlen = strlen(data->rbuffer);
5450 static int proc_BSSList_open(struct inode *inode, struct file *file)
5452 struct proc_data *data;
5453 struct net_device *dev = PDE_DATA(inode);
5454 struct airo_info *ai = dev->ml_priv;
5456 BSSListRid BSSList_rid;
5458 /* If doLoseSync is not 1, we won't do a Lose Sync */
5459 int doLoseSync = -1;
5461 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5463 data = file->private_data;
5464 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) {
5465 kfree (file->private_data);
5469 data->maxwritelen = 0;
5470 data->wbuffer = NULL;
5471 data->on_close = NULL;
5473 if (file->f_mode & FMODE_WRITE) {
5474 if (!(file->f_mode & FMODE_READ)) {
5478 if (ai->flags & FLAG_RADIO_MASK) {
5479 kfree(data->rbuffer);
5480 kfree(file->private_data);
5483 memset(&cmd, 0, sizeof(cmd));
5484 cmd.cmd = CMD_LISTBSS;
5485 if (down_interruptible(&ai->sem)) {
5486 kfree(data->rbuffer);
5487 kfree(file->private_data);
5488 return -ERESTARTSYS;
5490 issuecommand(ai, &cmd, &rsp, true);
5497 ptr = data->rbuffer;
5498 /* There is a race condition here if there are concurrent opens.
5499 Since it is a rare condition, we'll just live with it, otherwise
5500 we have to add a spin lock... */
5501 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5502 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5503 ptr += sprintf(ptr, "%pM %.*s rssi = %d",
5505 (int)BSSList_rid.ssidLen,
5507 le16_to_cpu(BSSList_rid.dBm));
5508 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5509 le16_to_cpu(BSSList_rid.dsChannel),
5510 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5511 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5512 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5513 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5514 rc = readBSSListRid(ai, 0, &BSSList_rid);
5517 data->readlen = strlen(data->rbuffer);
5521 static int proc_close(struct inode *inode, struct file *file)
5523 struct proc_data *data = file->private_data;
5525 if (data->on_close != NULL)
5526 data->on_close(inode, file);
5527 kfree(data->rbuffer);
5528 kfree(data->wbuffer);
5533 /* Since the card doesn't automatically switch to the right WEP mode,
5534 we will make it do it. If the card isn't associated, every secs we
5535 will switch WEP modes to see if that will help. If the card is
5536 associated we will check every minute to see if anything has
5538 static void timer_func(struct net_device *dev)
5540 struct airo_info *apriv = dev->ml_priv;
5542 /* We don't have a link so try changing the authtype */
5543 readConfigRid(apriv, 0);
5544 disable_MAC(apriv, 0);
5545 switch(apriv->config.authType) {
5547 /* So drop to OPEN */
5548 apriv->config.authType = AUTH_OPEN;
5550 case AUTH_SHAREDKEY:
5551 if (apriv->keyindex < auto_wep) {
5552 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5553 apriv->config.authType = AUTH_SHAREDKEY;
5556 /* Drop to ENCRYPT */
5557 apriv->keyindex = 0;
5558 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5559 apriv->config.authType = AUTH_ENCRYPT;
5562 default: /* We'll escalate to SHAREDKEY */
5563 apriv->config.authType = AUTH_SHAREDKEY;
5565 set_bit (FLAG_COMMIT, &apriv->flags);
5566 writeConfigRid(apriv, 0);
5567 enable_MAC(apriv, 0);
5570 /* Schedule check to see if the change worked */
5571 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5572 apriv->expires = RUN_AT(HZ*3);
5576 static int airo_pci_probe(struct pci_dev *pdev,
5577 const struct pci_device_id *pent)
5579 struct net_device *dev;
5581 if (pci_enable_device(pdev))
5583 pci_set_master(pdev);
5585 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5586 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5588 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5590 pci_disable_device(pdev);
5594 pci_set_drvdata(pdev, dev);
5598 static void airo_pci_remove(struct pci_dev *pdev)
5600 struct net_device *dev = pci_get_drvdata(pdev);
5602 airo_print_info(dev->name, "Unregistering...");
5603 stop_airo_card(dev, 1);
5604 pci_disable_device(pdev);
5607 static int __maybe_unused airo_pci_suspend(struct device *dev_d)
5609 struct net_device *dev = dev_get_drvdata(dev_d);
5610 struct airo_info *ai = dev->ml_priv;
5615 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5618 readSsidRid(ai, ai->SSID);
5619 memset(&cmd, 0, sizeof(cmd));
5620 /* the lock will be released at the end of the resume callback */
5621 if (down_interruptible(&ai->sem))
5624 netif_device_detach(dev);
5625 ai->power = PMSG_SUSPEND;
5626 cmd.cmd = HOSTSLEEP;
5627 issuecommand(ai, &cmd, &rsp, true);
5629 device_wakeup_enable(dev_d);
5633 static int __maybe_unused airo_pci_resume(struct device *dev_d)
5635 struct net_device *dev = dev_get_drvdata(dev_d);
5636 struct airo_info *ai = dev->ml_priv;
5637 pci_power_t prev_state = to_pci_dev(dev_d)->current_state;
5639 device_wakeup_disable(dev_d);
5641 if (prev_state != PCI_D1) {
5643 mpi_init_descriptors(ai);
5644 setup_card(ai, dev->dev_addr, 0);
5645 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5646 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5648 OUT4500(ai, EVACK, EV_AWAKEN);
5649 OUT4500(ai, EVACK, EV_AWAKEN);
5653 set_bit(FLAG_COMMIT, &ai->flags);
5657 writeSsidRid(ai, ai->SSID, 0);
5661 writeAPListRid(ai, &ai->APList, 0);
5662 writeConfigRid(ai, 0);
5664 ai->power = PMSG_ON;
5665 netif_device_attach(dev);
5666 netif_wake_queue(dev);
5667 enable_interrupts(ai);
5673 static int __init airo_init_module(void)
5677 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5678 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5679 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5682 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5685 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5687 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5688 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5689 "io = 0x%x", irq[i], io[i]);
5690 if (init_airo_card(irq[i], io[i], 0, NULL)) {
5696 airo_print_info("", "Probing for PCI adapters");
5697 i = pci_register_driver(&airo_driver);
5698 airo_print_info("", "Finished probing for PCI adapters");
5701 remove_proc_entry("driver/aironet", NULL);
5706 /* Always exit with success, as we are a library module
5707 * as well as a driver module
5712 static void __exit airo_cleanup_module(void)
5714 struct airo_info *ai;
5715 while (!list_empty(&airo_devices)) {
5716 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5717 airo_print_info(ai->dev->name, "Unregistering...");
5718 stop_airo_card(ai->dev, 1);
5721 pci_unregister_driver(&airo_driver);
5723 remove_proc_entry("driver/aironet", NULL);
5727 * Initial Wireless Extension code for Aironet driver by :
5728 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5729 * Conversion to new driver API by :
5730 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5731 * Javier also did a good amount of work here, adding some new extensions
5732 * and fixing my code. Let's just say that without him this code just
5733 * would not work at all... - Jean II
5736 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5741 return (0x100 - rssi_rid[rssi].rssidBm);
5744 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5751 for (i = 0; i < 256; i++)
5752 if (rssi_rid[i].rssidBm == dbm)
5753 return rssi_rid[i].rssipct;
5759 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5764 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5767 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5770 sq = le16_to_cpu(status_rid->signalQuality);
5771 if (memcmp(cap_rid->prodName, "350", 3))
5775 quality = 0x20 - sq;
5782 quality = 0xb0 - sq;
5786 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5787 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50)
5789 /*------------------------------------------------------------------*/
5791 * Wireless Handler : get protocol name
5793 static int airo_get_name(struct net_device *dev,
5794 struct iw_request_info *info,
5798 strcpy(cwrq, "IEEE 802.11-DS");
5802 /*------------------------------------------------------------------*/
5804 * Wireless Handler : set frequency
5806 static int airo_set_freq(struct net_device *dev,
5807 struct iw_request_info *info,
5808 struct iw_freq *fwrq,
5811 struct airo_info *local = dev->ml_priv;
5812 int rc = -EINPROGRESS; /* Call commit handler */
5814 /* If setting by frequency, convert to a channel */
5816 int f = fwrq->m / 100000;
5818 /* Hack to fall through... */
5820 fwrq->m = ieee80211_frequency_to_channel(f);
5822 /* Setting by channel number */
5823 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5826 int channel = fwrq->m;
5827 /* We should do a better check than that,
5828 * based on the card capability !!! */
5829 if ((channel < 1) || (channel > 14)) {
5830 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5834 readConfigRid(local, 1);
5835 /* Yes ! We can set it !!! */
5836 local->config.channelSet = cpu_to_le16(channel);
5837 set_bit (FLAG_COMMIT, &local->flags);
5843 /*------------------------------------------------------------------*/
5845 * Wireless Handler : get frequency
5847 static int airo_get_freq(struct net_device *dev,
5848 struct iw_request_info *info,
5849 struct iw_freq *fwrq,
5852 struct airo_info *local = dev->ml_priv;
5853 StatusRid status_rid; /* Card status info */
5856 readConfigRid(local, 1);
5857 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5858 status_rid.channel = local->config.channelSet;
5860 readStatusRid(local, &status_rid, 1);
5862 ch = le16_to_cpu(status_rid.channel);
5863 if ((ch > 0) && (ch < 15)) {
5865 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5875 /*------------------------------------------------------------------*/
5877 * Wireless Handler : set ESSID
5879 static int airo_set_essid(struct net_device *dev,
5880 struct iw_request_info *info,
5881 struct iw_point *dwrq,
5884 struct airo_info *local = dev->ml_priv;
5885 SsidRid SSID_rid; /* SSIDs */
5887 /* Reload the list of current SSID */
5888 readSsidRid(local, &SSID_rid);
5890 /* Check if we asked for `any' */
5891 if (dwrq->flags == 0) {
5892 /* Just send an empty SSID list */
5893 memset(&SSID_rid, 0, sizeof(SSID_rid));
5895 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5897 /* Check the size of the string */
5898 if (dwrq->length > IW_ESSID_MAX_SIZE)
5901 /* Check if index is valid */
5902 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5906 memset(SSID_rid.ssids[index].ssid, 0,
5907 sizeof(SSID_rid.ssids[index].ssid));
5908 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5909 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5911 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5912 /* Write it to the card */
5913 disable_MAC(local, 1);
5914 writeSsidRid(local, &SSID_rid, 1);
5915 enable_MAC(local, 1);
5920 /*------------------------------------------------------------------*/
5922 * Wireless Handler : get ESSID
5924 static int airo_get_essid(struct net_device *dev,
5925 struct iw_request_info *info,
5926 struct iw_point *dwrq,
5929 struct airo_info *local = dev->ml_priv;
5930 StatusRid status_rid; /* Card status info */
5932 readStatusRid(local, &status_rid, 1);
5934 /* Note : if dwrq->flags != 0, we should
5935 * get the relevant SSID from the SSID list... */
5937 /* Get the current SSID */
5938 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5939 /* If none, we may want to get the one that was set */
5942 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5943 dwrq->flags = 1; /* active */
5948 /*------------------------------------------------------------------*/
5950 * Wireless Handler : set AP address
5952 static int airo_set_wap(struct net_device *dev,
5953 struct iw_request_info *info,
5954 struct sockaddr *awrq,
5957 struct airo_info *local = dev->ml_priv;
5960 APListRid *APList_rid = &local->APList;
5962 if (awrq->sa_family != ARPHRD_ETHER)
5964 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5965 is_zero_ether_addr(awrq->sa_data)) {
5966 memset(&cmd, 0, sizeof(cmd));
5967 cmd.cmd = CMD_LOSE_SYNC;
5968 if (down_interruptible(&local->sem))
5969 return -ERESTARTSYS;
5970 issuecommand(local, &cmd, &rsp, true);
5973 memset(APList_rid, 0, sizeof(*APList_rid));
5974 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5975 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5976 disable_MAC(local, 1);
5977 writeAPListRid(local, APList_rid, 1);
5978 enable_MAC(local, 1);
5983 /*------------------------------------------------------------------*/
5985 * Wireless Handler : get AP address
5987 static int airo_get_wap(struct net_device *dev,
5988 struct iw_request_info *info,
5989 struct sockaddr *awrq,
5992 struct airo_info *local = dev->ml_priv;
5993 StatusRid status_rid; /* Card status info */
5995 readStatusRid(local, &status_rid, 1);
5997 /* Tentative. This seems to work, wow, I'm lucky !!! */
5998 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5999 awrq->sa_family = ARPHRD_ETHER;
6004 /*------------------------------------------------------------------*/
6006 * Wireless Handler : set Nickname
6008 static int airo_set_nick(struct net_device *dev,
6009 struct iw_request_info *info,
6010 struct iw_point *dwrq,
6013 struct airo_info *local = dev->ml_priv;
6015 /* Check the size of the string */
6016 if (dwrq->length > 16) {
6019 readConfigRid(local, 1);
6020 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6021 memcpy(local->config.nodeName, extra, dwrq->length);
6022 set_bit (FLAG_COMMIT, &local->flags);
6024 return -EINPROGRESS; /* Call commit handler */
6027 /*------------------------------------------------------------------*/
6029 * Wireless Handler : get Nickname
6031 static int airo_get_nick(struct net_device *dev,
6032 struct iw_request_info *info,
6033 struct iw_point *dwrq,
6036 struct airo_info *local = dev->ml_priv;
6038 readConfigRid(local, 1);
6039 strncpy(extra, local->config.nodeName, 16);
6041 dwrq->length = strlen(extra);
6046 /*------------------------------------------------------------------*/
6048 * Wireless Handler : set Bit-Rate
6050 static int airo_set_rate(struct net_device *dev,
6051 struct iw_request_info *info,
6052 struct iw_param *vwrq,
6055 struct airo_info *local = dev->ml_priv;
6056 CapabilityRid cap_rid; /* Card capability info */
6060 /* First : get a valid bit rate value */
6061 readCapabilityRid(local, &cap_rid, 1);
6063 /* Which type of value ? */
6064 if ((vwrq->value < 8) && (vwrq->value >= 0)) {
6065 /* Setting by rate index */
6066 /* Find value in the magic rate table */
6067 brate = cap_rid.supportedRates[vwrq->value];
6069 /* Setting by frequency value */
6070 u8 normvalue = (u8) (vwrq->value/500000);
6072 /* Check if rate is valid */
6073 for (i = 0 ; i < 8 ; i++) {
6074 if (normvalue == cap_rid.supportedRates[i]) {
6080 /* -1 designed the max rate (mostly auto mode) */
6081 if (vwrq->value == -1) {
6082 /* Get the highest available rate */
6083 for (i = 0 ; i < 8 ; i++) {
6084 if (cap_rid.supportedRates[i] == 0)
6088 brate = cap_rid.supportedRates[i - 1];
6090 /* Check that it is valid */
6095 readConfigRid(local, 1);
6096 /* Now, check if we want a fixed or auto value */
6097 if (vwrq->fixed == 0) {
6098 /* Fill all the rates up to this max rate */
6099 memset(local->config.rates, 0, 8);
6100 for (i = 0 ; i < 8 ; i++) {
6101 local->config.rates[i] = cap_rid.supportedRates[i];
6102 if (local->config.rates[i] == brate)
6107 /* One rate, fixed */
6108 memset(local->config.rates, 0, 8);
6109 local->config.rates[0] = brate;
6111 set_bit (FLAG_COMMIT, &local->flags);
6113 return -EINPROGRESS; /* Call commit handler */
6116 /*------------------------------------------------------------------*/
6118 * Wireless Handler : get Bit-Rate
6120 static int airo_get_rate(struct net_device *dev,
6121 struct iw_request_info *info,
6122 struct iw_param *vwrq,
6125 struct airo_info *local = dev->ml_priv;
6126 StatusRid status_rid; /* Card status info */
6128 readStatusRid(local, &status_rid, 1);
6130 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6131 /* If more than one rate, set auto */
6132 readConfigRid(local, 1);
6133 vwrq->fixed = (local->config.rates[1] == 0);
6138 /*------------------------------------------------------------------*/
6140 * Wireless Handler : set RTS threshold
6142 static int airo_set_rts(struct net_device *dev,
6143 struct iw_request_info *info,
6144 struct iw_param *vwrq,
6147 struct airo_info *local = dev->ml_priv;
6148 int rthr = vwrq->value;
6151 rthr = AIRO_DEF_MTU;
6152 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6155 readConfigRid(local, 1);
6156 local->config.rtsThres = cpu_to_le16(rthr);
6157 set_bit (FLAG_COMMIT, &local->flags);
6159 return -EINPROGRESS; /* Call commit handler */
6162 /*------------------------------------------------------------------*/
6164 * Wireless Handler : get RTS threshold
6166 static int airo_get_rts(struct net_device *dev,
6167 struct iw_request_info *info,
6168 struct iw_param *vwrq,
6171 struct airo_info *local = dev->ml_priv;
6173 readConfigRid(local, 1);
6174 vwrq->value = le16_to_cpu(local->config.rtsThres);
6175 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6181 /*------------------------------------------------------------------*/
6183 * Wireless Handler : set Fragmentation threshold
6185 static int airo_set_frag(struct net_device *dev,
6186 struct iw_request_info *info,
6187 struct iw_param *vwrq,
6190 struct airo_info *local = dev->ml_priv;
6191 int fthr = vwrq->value;
6194 fthr = AIRO_DEF_MTU;
6195 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6198 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6199 readConfigRid(local, 1);
6200 local->config.fragThresh = cpu_to_le16(fthr);
6201 set_bit (FLAG_COMMIT, &local->flags);
6203 return -EINPROGRESS; /* Call commit handler */
6206 /*------------------------------------------------------------------*/
6208 * Wireless Handler : get Fragmentation threshold
6210 static int airo_get_frag(struct net_device *dev,
6211 struct iw_request_info *info,
6212 struct iw_param *vwrq,
6215 struct airo_info *local = dev->ml_priv;
6217 readConfigRid(local, 1);
6218 vwrq->value = le16_to_cpu(local->config.fragThresh);
6219 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6225 /*------------------------------------------------------------------*/
6227 * Wireless Handler : set Mode of Operation
6229 static int airo_set_mode(struct net_device *dev,
6230 struct iw_request_info *info,
6234 struct airo_info *local = dev->ml_priv;
6237 readConfigRid(local, 1);
6238 if (sniffing_mode(local))
6243 local->config.opmode &= ~MODE_CFG_MASK;
6244 local->config.opmode |= MODE_STA_IBSS;
6245 local->config.rmode &= ~RXMODE_FULL_MASK;
6246 local->config.scanMode = SCANMODE_ACTIVE;
6247 clear_bit (FLAG_802_11, &local->flags);
6250 local->config.opmode &= ~MODE_CFG_MASK;
6251 local->config.opmode |= MODE_STA_ESS;
6252 local->config.rmode &= ~RXMODE_FULL_MASK;
6253 local->config.scanMode = SCANMODE_ACTIVE;
6254 clear_bit (FLAG_802_11, &local->flags);
6256 case IW_MODE_MASTER:
6257 local->config.opmode &= ~MODE_CFG_MASK;
6258 local->config.opmode |= MODE_AP;
6259 local->config.rmode &= ~RXMODE_FULL_MASK;
6260 local->config.scanMode = SCANMODE_ACTIVE;
6261 clear_bit (FLAG_802_11, &local->flags);
6263 case IW_MODE_REPEAT:
6264 local->config.opmode &= ~MODE_CFG_MASK;
6265 local->config.opmode |= MODE_AP_RPTR;
6266 local->config.rmode &= ~RXMODE_FULL_MASK;
6267 local->config.scanMode = SCANMODE_ACTIVE;
6268 clear_bit (FLAG_802_11, &local->flags);
6270 case IW_MODE_MONITOR:
6271 local->config.opmode &= ~MODE_CFG_MASK;
6272 local->config.opmode |= MODE_STA_ESS;
6273 local->config.rmode &= ~RXMODE_FULL_MASK;
6274 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6275 local->config.scanMode = SCANMODE_PASSIVE;
6276 set_bit (FLAG_802_11, &local->flags);
6282 set_bit (FLAG_RESET, &local->flags);
6283 set_bit (FLAG_COMMIT, &local->flags);
6285 return -EINPROGRESS; /* Call commit handler */
6288 /*------------------------------------------------------------------*/
6290 * Wireless Handler : get Mode of Operation
6292 static int airo_get_mode(struct net_device *dev,
6293 struct iw_request_info *info,
6297 struct airo_info *local = dev->ml_priv;
6299 readConfigRid(local, 1);
6300 /* If not managed, assume it's ad-hoc */
6301 switch (local->config.opmode & MODE_CFG_MASK) {
6303 *uwrq = IW_MODE_INFRA;
6306 *uwrq = IW_MODE_MASTER;
6309 *uwrq = IW_MODE_REPEAT;
6312 *uwrq = IW_MODE_ADHOC;
6318 static inline int valid_index(struct airo_info *ai, int index)
6320 return (index >= 0) && (index <= ai->max_wep_idx);
6323 /*------------------------------------------------------------------*/
6325 * Wireless Handler : set Encryption Key
6327 static int airo_set_encode(struct net_device *dev,
6328 struct iw_request_info *info,
6329 struct iw_point *dwrq,
6332 struct airo_info *local = dev->ml_priv;
6333 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6334 __le16 currentAuthType = local->config.authType;
6337 if (!local->wep_capable)
6340 readConfigRid(local, 1);
6342 /* Basic checking: do we have a key to set ?
6343 * Note : with the new API, it's impossible to get a NULL pointer.
6344 * Therefore, we need to check a key size == 0 instead.
6345 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6346 * when no key is present (only change flags), but older versions
6347 * don't do it. - Jean II */
6348 if (dwrq->length > 0) {
6350 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6353 /* Check the size of the key */
6354 if (dwrq->length > MAX_KEY_SIZE) {
6358 current_index = get_wep_tx_idx(local);
6359 if (current_index < 0)
6362 /* Check the index (none -> use current) */
6363 if (!valid_index(local, index))
6364 index = current_index;
6366 /* Set the length */
6367 if (dwrq->length > MIN_KEY_SIZE)
6368 key.len = MAX_KEY_SIZE;
6370 key.len = MIN_KEY_SIZE;
6371 /* Check if the key is not marked as invalid */
6372 if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
6374 memset(key.key, 0, MAX_KEY_SIZE);
6375 /* Copy the key in the driver */
6376 memcpy(key.key, extra, dwrq->length);
6377 /* Send the key to the card */
6378 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6380 airo_print_err(local->dev->name, "failed to set"
6381 " WEP key at index %d: %d.",
6386 /* WE specify that if a valid key is set, encryption
6387 * should be enabled (user may turn it off later)
6388 * This is also how "iwconfig ethX key on" works */
6389 if ((index == current_index) && (key.len > 0) &&
6390 (local->config.authType == AUTH_OPEN))
6391 set_auth_type(local, AUTH_ENCRYPT);
6393 /* Do we want to just set the transmit key index ? */
6394 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6395 if (valid_index(local, index)) {
6396 rc = set_wep_tx_idx(local, index, perm, 1);
6398 airo_print_err(local->dev->name, "failed to set"
6399 " WEP transmit index to %d: %d.",
6404 /* Don't complain if only change the mode */
6405 if (!(dwrq->flags & IW_ENCODE_MODE))
6409 /* Read the flags */
6410 if (dwrq->flags & IW_ENCODE_DISABLED)
6411 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6412 if (dwrq->flags & IW_ENCODE_RESTRICTED)
6413 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6414 if (dwrq->flags & IW_ENCODE_OPEN)
6415 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6416 /* Commit the changes to flags if needed */
6417 if (local->config.authType != currentAuthType)
6418 set_bit (FLAG_COMMIT, &local->flags);
6419 return -EINPROGRESS; /* Call commit handler */
6422 /*------------------------------------------------------------------*/
6424 * Wireless Handler : get Encryption Key
6426 static int airo_get_encode(struct net_device *dev,
6427 struct iw_request_info *info,
6428 struct iw_point *dwrq,
6431 struct airo_info *local = dev->ml_priv;
6432 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6436 if (!local->wep_capable)
6439 readConfigRid(local, 1);
6441 /* Check encryption mode */
6442 switch(local->config.authType) {
6444 dwrq->flags = IW_ENCODE_OPEN;
6446 case AUTH_SHAREDKEY:
6447 dwrq->flags = IW_ENCODE_RESTRICTED;
6451 dwrq->flags = IW_ENCODE_DISABLED;
6454 /* We can't return the key, so set the proper flag and return zero */
6455 dwrq->flags |= IW_ENCODE_NOKEY;
6456 memset(extra, 0, 16);
6458 /* Which key do we want ? -1 -> tx index */
6459 if (!valid_index(local, index)) {
6460 index = get_wep_tx_idx(local);
6464 dwrq->flags |= index + 1;
6466 /* Copy the key to the user buffer */
6467 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6468 if (wep_key_len < 0) {
6471 dwrq->length = wep_key_len;
6472 memcpy(extra, buf, dwrq->length);
6478 /*------------------------------------------------------------------*/
6480 * Wireless Handler : set extended Encryption parameters
6482 static int airo_set_encodeext(struct net_device *dev,
6483 struct iw_request_info *info,
6484 union iwreq_data *wrqu,
6487 struct airo_info *local = dev->ml_priv;
6488 struct iw_point *encoding = &wrqu->encoding;
6489 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6490 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1);
6491 __le16 currentAuthType = local->config.authType;
6492 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6495 if (!local->wep_capable)
6498 readConfigRid(local, 1);
6500 /* Determine and validate the key index */
6501 idx = encoding->flags & IW_ENCODE_INDEX;
6503 if (!valid_index(local, idx - 1))
6507 idx = get_wep_tx_idx(local);
6512 if (encoding->flags & IW_ENCODE_DISABLED)
6513 alg = IW_ENCODE_ALG_NONE;
6515 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6516 /* Only set transmit key index here, actual
6517 * key is set below if needed.
6519 rc = set_wep_tx_idx(local, idx, perm, 1);
6521 airo_print_err(local->dev->name, "failed to set "
6522 "WEP transmit index to %d: %d.",
6526 set_key = ext->key_len > 0 ? 1 : 0;
6530 /* Set the requested key first */
6531 memset(key.key, 0, MAX_KEY_SIZE);
6533 case IW_ENCODE_ALG_NONE:
6536 case IW_ENCODE_ALG_WEP:
6537 if (ext->key_len > MIN_KEY_SIZE) {
6538 key.len = MAX_KEY_SIZE;
6539 } else if (ext->key_len > 0) {
6540 key.len = MIN_KEY_SIZE;
6544 key_len = min (ext->key_len, key.len);
6545 memcpy(key.key, ext->key, key_len);
6551 rc = set_wep_tx_idx(local, idx, perm, 1);
6553 airo_print_err(local->dev->name,
6554 "failed to set WEP transmit index to %d: %d.",
6559 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6561 airo_print_err(local->dev->name,
6562 "failed to set WEP key at index %d: %d.",
6569 /* Read the flags */
6570 if (encoding->flags & IW_ENCODE_DISABLED)
6571 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6572 if (encoding->flags & IW_ENCODE_RESTRICTED)
6573 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6574 if (encoding->flags & IW_ENCODE_OPEN)
6575 set_auth_type(local, AUTH_ENCRYPT);
6576 /* Commit the changes to flags if needed */
6577 if (local->config.authType != currentAuthType)
6578 set_bit (FLAG_COMMIT, &local->flags);
6580 return -EINPROGRESS;
6584 /*------------------------------------------------------------------*/
6586 * Wireless Handler : get extended Encryption parameters
6588 static int airo_get_encodeext(struct net_device *dev,
6589 struct iw_request_info *info,
6590 union iwreq_data *wrqu,
6593 struct airo_info *local = dev->ml_priv;
6594 struct iw_point *encoding = &wrqu->encoding;
6595 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6596 int idx, max_key_len, wep_key_len;
6599 if (!local->wep_capable)
6602 readConfigRid(local, 1);
6604 max_key_len = encoding->length - sizeof(*ext);
6605 if (max_key_len < 0)
6608 idx = encoding->flags & IW_ENCODE_INDEX;
6610 if (!valid_index(local, idx - 1))
6614 idx = get_wep_tx_idx(local);
6619 encoding->flags = idx + 1;
6620 memset(ext, 0, sizeof(*ext));
6622 /* Check encryption mode */
6623 switch(local->config.authType) {
6625 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6627 case AUTH_SHAREDKEY:
6628 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6632 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6635 /* We can't return the key, so set the proper flag and return zero */
6636 encoding->flags |= IW_ENCODE_NOKEY;
6637 memset(extra, 0, 16);
6639 /* Copy the key to the user buffer */
6640 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6641 if (wep_key_len < 0) {
6644 ext->key_len = wep_key_len;
6645 memcpy(extra, buf, ext->key_len);
6652 /*------------------------------------------------------------------*/
6654 * Wireless Handler : set extended authentication parameters
6656 static int airo_set_auth(struct net_device *dev,
6657 struct iw_request_info *info,
6658 union iwreq_data *wrqu, char *extra)
6660 struct airo_info *local = dev->ml_priv;
6661 struct iw_param *param = &wrqu->param;
6662 __le16 currentAuthType = local->config.authType;
6664 switch (param->flags & IW_AUTH_INDEX) {
6665 case IW_AUTH_WPA_VERSION:
6666 case IW_AUTH_CIPHER_PAIRWISE:
6667 case IW_AUTH_CIPHER_GROUP:
6668 case IW_AUTH_KEY_MGMT:
6669 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6670 case IW_AUTH_PRIVACY_INVOKED:
6672 * airo does not use these parameters
6676 case IW_AUTH_DROP_UNENCRYPTED:
6678 /* Only change auth type if unencrypted */
6679 if (currentAuthType == AUTH_OPEN)
6680 set_auth_type(local, AUTH_ENCRYPT);
6682 set_auth_type(local, AUTH_OPEN);
6685 /* Commit the changes to flags if needed */
6686 if (local->config.authType != currentAuthType)
6687 set_bit (FLAG_COMMIT, &local->flags);
6690 case IW_AUTH_80211_AUTH_ALG: {
6691 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6692 set_auth_type(local, AUTH_SHAREDKEY);
6693 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6694 /* We don't know here if WEP open system or
6695 * unencrypted mode was requested - so use the
6696 * last mode (of these two) used last time
6698 set_auth_type(local, local->last_auth);
6702 /* Commit the changes to flags if needed */
6703 if (local->config.authType != currentAuthType)
6704 set_bit (FLAG_COMMIT, &local->flags);
6708 case IW_AUTH_WPA_ENABLED:
6709 /* Silently accept disable of WPA */
6710 if (param->value > 0)
6717 return -EINPROGRESS;
6721 /*------------------------------------------------------------------*/
6723 * Wireless Handler : get extended authentication parameters
6725 static int airo_get_auth(struct net_device *dev,
6726 struct iw_request_info *info,
6727 union iwreq_data *wrqu, char *extra)
6729 struct airo_info *local = dev->ml_priv;
6730 struct iw_param *param = &wrqu->param;
6731 __le16 currentAuthType = local->config.authType;
6733 switch (param->flags & IW_AUTH_INDEX) {
6734 case IW_AUTH_DROP_UNENCRYPTED:
6735 switch (currentAuthType) {
6736 case AUTH_SHAREDKEY:
6746 case IW_AUTH_80211_AUTH_ALG:
6747 switch (currentAuthType) {
6748 case AUTH_SHAREDKEY:
6749 param->value = IW_AUTH_ALG_SHARED_KEY;
6753 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6758 case IW_AUTH_WPA_ENABLED:
6769 /*------------------------------------------------------------------*/
6771 * Wireless Handler : set Tx-Power
6773 static int airo_set_txpow(struct net_device *dev,
6774 struct iw_request_info *info,
6775 struct iw_param *vwrq,
6778 struct airo_info *local = dev->ml_priv;
6779 CapabilityRid cap_rid; /* Card capability info */
6782 __le16 v = cpu_to_le16(vwrq->value);
6784 readCapabilityRid(local, &cap_rid, 1);
6786 if (vwrq->disabled) {
6787 set_bit (FLAG_RADIO_OFF, &local->flags);
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 return -EINPROGRESS; /* Call commit handler */
6791 if (vwrq->flags != IW_TXPOW_MWATT) {
6794 clear_bit (FLAG_RADIO_OFF, &local->flags);
6795 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6796 if (v == cap_rid.txPowerLevels[i]) {
6797 readConfigRid(local, 1);
6798 local->config.txPower = v;
6799 set_bit (FLAG_COMMIT, &local->flags);
6800 rc = -EINPROGRESS; /* Call commit handler */
6806 /*------------------------------------------------------------------*/
6808 * Wireless Handler : get Tx-Power
6810 static int airo_get_txpow(struct net_device *dev,
6811 struct iw_request_info *info,
6812 struct iw_param *vwrq,
6815 struct airo_info *local = dev->ml_priv;
6817 readConfigRid(local, 1);
6818 vwrq->value = le16_to_cpu(local->config.txPower);
6819 vwrq->fixed = 1; /* No power control */
6820 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6821 vwrq->flags = IW_TXPOW_MWATT;
6826 /*------------------------------------------------------------------*/
6828 * Wireless Handler : set Retry limits
6830 static int airo_set_retry(struct net_device *dev,
6831 struct iw_request_info *info,
6832 struct iw_param *vwrq,
6835 struct airo_info *local = dev->ml_priv;
6838 if (vwrq->disabled) {
6841 readConfigRid(local, 1);
6842 if (vwrq->flags & IW_RETRY_LIMIT) {
6843 __le16 v = cpu_to_le16(vwrq->value);
6844 if (vwrq->flags & IW_RETRY_LONG)
6845 local->config.longRetryLimit = v;
6846 else if (vwrq->flags & IW_RETRY_SHORT)
6847 local->config.shortRetryLimit = v;
6849 /* No modifier : set both */
6850 local->config.longRetryLimit = v;
6851 local->config.shortRetryLimit = v;
6853 set_bit (FLAG_COMMIT, &local->flags);
6854 rc = -EINPROGRESS; /* Call commit handler */
6856 if (vwrq->flags & IW_RETRY_LIFETIME) {
6857 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6858 set_bit (FLAG_COMMIT, &local->flags);
6859 rc = -EINPROGRESS; /* Call commit handler */
6864 /*------------------------------------------------------------------*/
6866 * Wireless Handler : get Retry limits
6868 static int airo_get_retry(struct net_device *dev,
6869 struct iw_request_info *info,
6870 struct iw_param *vwrq,
6873 struct airo_info *local = dev->ml_priv;
6875 vwrq->disabled = 0; /* Can't be disabled */
6877 readConfigRid(local, 1);
6878 /* Note : by default, display the min retry number */
6879 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6880 vwrq->flags = IW_RETRY_LIFETIME;
6881 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6882 } else if ((vwrq->flags & IW_RETRY_LONG)) {
6883 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6884 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6886 vwrq->flags = IW_RETRY_LIMIT;
6887 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6888 if (local->config.shortRetryLimit != local->config.longRetryLimit)
6889 vwrq->flags |= IW_RETRY_SHORT;
6895 /*------------------------------------------------------------------*/
6897 * Wireless Handler : get range info
6899 static int airo_get_range(struct net_device *dev,
6900 struct iw_request_info *info,
6901 struct iw_point *dwrq,
6904 struct airo_info *local = dev->ml_priv;
6905 struct iw_range *range = (struct iw_range *) extra;
6906 CapabilityRid cap_rid; /* Card capability info */
6910 readCapabilityRid(local, &cap_rid, 1);
6912 dwrq->length = sizeof(struct iw_range);
6913 memset(range, 0, sizeof(*range));
6914 range->min_nwid = 0x0000;
6915 range->max_nwid = 0x0000;
6916 range->num_channels = 14;
6917 /* Should be based on cap_rid.country to give only
6918 * what the current card support */
6920 for (i = 0; i < 14; i++) {
6921 range->freq[k].i = i + 1; /* List index */
6922 range->freq[k].m = 100000 *
6923 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6924 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6926 range->num_frequency = k;
6928 range->sensitivity = 65535;
6930 /* Hum... Should put the right values there */
6932 range->max_qual.qual = 100; /* % */
6934 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6935 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6936 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6938 /* Experimental measurements - boundary 11/5.5 Mb/s */
6939 /* Note : with or without the (local->rssi), results
6940 * are somewhat different. - Jean II */
6942 range->avg_qual.qual = 50; /* % */
6943 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6945 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6946 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6948 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6950 for (i = 0 ; i < 8 ; i++) {
6951 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6952 if (range->bitrate[i] == 0)
6955 range->num_bitrates = i;
6957 /* Set an indication of the max TCP throughput
6958 * in bit/s that we can expect using this interface.
6959 * May be use for QoS stuff... Jean II */
6961 range->throughput = 5000 * 1000;
6963 range->throughput = 1500 * 1000;
6966 range->max_rts = AIRO_DEF_MTU;
6967 range->min_frag = 256;
6968 range->max_frag = AIRO_DEF_MTU;
6970 if (cap_rid.softCap & cpu_to_le16(2)) {
6972 range->encoding_size[0] = 5;
6974 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6975 range->encoding_size[1] = 13;
6976 range->num_encoding_sizes = 2;
6978 range->num_encoding_sizes = 1;
6979 range->max_encoding_tokens =
6980 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6982 range->num_encoding_sizes = 0;
6983 range->max_encoding_tokens = 0;
6986 range->max_pmp = 5000000; /* 5 secs */
6988 range->max_pmt = 65535 * 1024; /* ??? */
6989 range->pmp_flags = IW_POWER_PERIOD;
6990 range->pmt_flags = IW_POWER_TIMEOUT;
6991 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6993 /* Transmit Power - values are in mW */
6994 for (i = 0 ; i < 8 ; i++) {
6995 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6996 if (range->txpower[i] == 0)
6999 range->num_txpower = i;
7000 range->txpower_capa = IW_TXPOW_MWATT;
7001 range->we_version_source = 19;
7002 range->we_version_compiled = WIRELESS_EXT;
7003 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7004 range->retry_flags = IW_RETRY_LIMIT;
7005 range->r_time_flags = IW_RETRY_LIFETIME;
7006 range->min_retry = 1;
7007 range->max_retry = 65535;
7008 range->min_r_time = 1024;
7009 range->max_r_time = 65535 * 1024;
7011 /* Event capability (kernel + driver) */
7012 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7013 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7014 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7015 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7016 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7017 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7021 /*------------------------------------------------------------------*/
7023 * Wireless Handler : set Power Management
7025 static int airo_set_power(struct net_device *dev,
7026 struct iw_request_info *info,
7027 struct iw_param *vwrq,
7030 struct airo_info *local = dev->ml_priv;
7032 readConfigRid(local, 1);
7033 if (vwrq->disabled) {
7034 if (sniffing_mode(local))
7036 local->config.powerSaveMode = POWERSAVE_CAM;
7037 local->config.rmode &= ~RXMODE_MASK;
7038 local->config.rmode |= RXMODE_BC_MC_ADDR;
7039 set_bit (FLAG_COMMIT, &local->flags);
7040 return -EINPROGRESS; /* Call commit handler */
7042 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7043 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7044 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7045 set_bit (FLAG_COMMIT, &local->flags);
7046 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7047 local->config.fastListenInterval =
7048 local->config.listenInterval =
7049 cpu_to_le16((vwrq->value + 500) / 1024);
7050 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7051 set_bit (FLAG_COMMIT, &local->flags);
7053 switch (vwrq->flags & IW_POWER_MODE) {
7054 case IW_POWER_UNICAST_R:
7055 if (sniffing_mode(local))
7057 local->config.rmode &= ~RXMODE_MASK;
7058 local->config.rmode |= RXMODE_ADDR;
7059 set_bit (FLAG_COMMIT, &local->flags);
7061 case IW_POWER_ALL_R:
7062 if (sniffing_mode(local))
7064 local->config.rmode &= ~RXMODE_MASK;
7065 local->config.rmode |= RXMODE_BC_MC_ADDR;
7066 set_bit (FLAG_COMMIT, &local->flags);
7069 /* This is broken, fixme ;-) */
7074 // Note : we may want to factor local->need_commit here
7075 // Note2 : may also want to factor RXMODE_RFMON test
7076 return -EINPROGRESS; /* Call commit handler */
7079 /*------------------------------------------------------------------*/
7081 * Wireless Handler : get Power Management
7083 static int airo_get_power(struct net_device *dev,
7084 struct iw_request_info *info,
7085 struct iw_param *vwrq,
7088 struct airo_info *local = dev->ml_priv;
7091 readConfigRid(local, 1);
7092 mode = local->config.powerSaveMode;
7093 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7095 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7096 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7097 vwrq->flags = IW_POWER_TIMEOUT;
7099 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7100 vwrq->flags = IW_POWER_PERIOD;
7102 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7103 vwrq->flags |= IW_POWER_UNICAST_R;
7105 vwrq->flags |= IW_POWER_ALL_R;
7110 /*------------------------------------------------------------------*/
7112 * Wireless Handler : set Sensitivity
7114 static int airo_set_sens(struct net_device *dev,
7115 struct iw_request_info *info,
7116 struct iw_param *vwrq,
7119 struct airo_info *local = dev->ml_priv;
7121 readConfigRid(local, 1);
7122 local->config.rssiThreshold =
7123 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7124 set_bit (FLAG_COMMIT, &local->flags);
7126 return -EINPROGRESS; /* Call commit handler */
7129 /*------------------------------------------------------------------*/
7131 * Wireless Handler : get Sensitivity
7133 static int airo_get_sens(struct net_device *dev,
7134 struct iw_request_info *info,
7135 struct iw_param *vwrq,
7138 struct airo_info *local = dev->ml_priv;
7140 readConfigRid(local, 1);
7141 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7142 vwrq->disabled = (vwrq->value == 0);
7148 /*------------------------------------------------------------------*/
7150 * Wireless Handler : get AP List
7151 * Note : this is deprecated in favor of IWSCAN
7153 static int airo_get_aplist(struct net_device *dev,
7154 struct iw_request_info *info,
7155 struct iw_point *dwrq,
7158 struct airo_info *local = dev->ml_priv;
7159 struct sockaddr *address = (struct sockaddr *) extra;
7160 struct iw_quality *qual;
7163 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7165 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL);
7169 for (i = 0; i < IW_MAX_AP; i++) {
7171 if (readBSSListRid(local, loseSync, &BSSList))
7174 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7175 address[i].sa_family = ARPHRD_ETHER;
7176 dBm = le16_to_cpu(BSSList.dBm);
7178 qual[i].level = 0x100 - dBm;
7179 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7180 qual[i].updated = IW_QUAL_QUAL_UPDATED
7181 | IW_QUAL_LEVEL_UPDATED
7184 qual[i].level = (dBm + 321) / 2;
7186 qual[i].updated = IW_QUAL_QUAL_INVALID
7187 | IW_QUAL_LEVEL_UPDATED
7190 qual[i].noise = local->wstats.qual.noise;
7191 if (BSSList.index == cpu_to_le16(0xffff))
7195 StatusRid status_rid; /* Card status info */
7196 readStatusRid(local, &status_rid, 1);
7198 i < min(IW_MAX_AP, 4) &&
7199 (status_rid.bssid[i][0]
7200 & status_rid.bssid[i][1]
7201 & status_rid.bssid[i][2]
7202 & status_rid.bssid[i][3]
7203 & status_rid.bssid[i][4]
7204 & status_rid.bssid[i][5])!=0xff &&
7205 (status_rid.bssid[i][0]
7206 | status_rid.bssid[i][1]
7207 | status_rid.bssid[i][2]
7208 | status_rid.bssid[i][3]
7209 | status_rid.bssid[i][4]
7210 | status_rid.bssid[i][5]);
7212 memcpy(address[i].sa_data,
7213 status_rid.bssid[i], ETH_ALEN);
7214 address[i].sa_family = ARPHRD_ETHER;
7217 dwrq->flags = 1; /* Should be define'd */
7218 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7219 sizeof(struct iw_quality) * i);
7227 /*------------------------------------------------------------------*/
7229 * Wireless Handler : Initiate Scan
7231 static int airo_set_scan(struct net_device *dev,
7232 struct iw_request_info *info,
7233 struct iw_point *dwrq,
7236 struct airo_info *ai = dev->ml_priv;
7240 APListRid APList_rid_empty;
7242 /* Note : you may have realised that, as this is a SET operation,
7243 * this is privileged and therefore a normal user can't
7245 * This is not an error, while the device perform scanning,
7246 * traffic doesn't flow, so it's a perfect DoS...
7248 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7250 if (down_interruptible(&ai->sem))
7251 return -ERESTARTSYS;
7253 /* If there's already a scan in progress, don't
7254 * trigger another one. */
7255 if (ai->scan_timeout > 0)
7258 /* Clear APList as it affects scan results */
7259 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7260 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7262 writeAPListRid(ai, &APList_rid_empty, 0);
7265 /* Initiate a scan command */
7266 ai->scan_timeout = RUN_AT(3*HZ);
7267 memset(&cmd, 0, sizeof(cmd));
7268 cmd.cmd = CMD_LISTBSS;
7269 issuecommand(ai, &cmd, &rsp, true);
7275 wake_up_interruptible(&ai->thr_wait);
7279 /*------------------------------------------------------------------*/
7281 * Translate scan data returned from the card to a card independent
7282 * format that the Wireless Tools will understand - Jean II
7284 static inline char *airo_translate_scan(struct net_device *dev,
7285 struct iw_request_info *info,
7290 struct airo_info *ai = dev->ml_priv;
7291 struct iw_event iwe; /* Temporary buffer */
7292 __le16 capabilities;
7293 char * current_val; /* For rates */
7298 /* First entry *MUST* be the AP MAC address */
7299 iwe.cmd = SIOCGIWAP;
7300 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7301 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7302 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7303 &iwe, IW_EV_ADDR_LEN);
7305 /* Other entries will be displayed in the order we give them */
7308 iwe.u.data.length = bss->ssidLen;
7309 if (iwe.u.data.length > 32)
7310 iwe.u.data.length = 32;
7311 iwe.cmd = SIOCGIWESSID;
7312 iwe.u.data.flags = 1;
7313 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7317 iwe.cmd = SIOCGIWMODE;
7318 capabilities = bss->cap;
7319 if (capabilities & (CAP_ESS | CAP_IBSS)) {
7320 if (capabilities & CAP_ESS)
7321 iwe.u.mode = IW_MODE_MASTER;
7323 iwe.u.mode = IW_MODE_ADHOC;
7324 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7325 &iwe, IW_EV_UINT_LEN);
7329 iwe.cmd = SIOCGIWFREQ;
7330 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7331 iwe.u.freq.m = 100000 *
7332 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7334 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7335 &iwe, IW_EV_FREQ_LEN);
7337 dBm = le16_to_cpu(bss->dBm);
7339 /* Add quality statistics */
7342 iwe.u.qual.level = 0x100 - dBm;
7343 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7344 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7345 | IW_QUAL_LEVEL_UPDATED
7348 iwe.u.qual.level = (dBm + 321) / 2;
7349 iwe.u.qual.qual = 0;
7350 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7351 | IW_QUAL_LEVEL_UPDATED
7354 iwe.u.qual.noise = ai->wstats.qual.noise;
7355 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7356 &iwe, IW_EV_QUAL_LEN);
7358 /* Add encryption capability */
7359 iwe.cmd = SIOCGIWENCODE;
7360 if (capabilities & CAP_PRIVACY)
7361 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7363 iwe.u.data.flags = IW_ENCODE_DISABLED;
7364 iwe.u.data.length = 0;
7365 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7368 /* Rate : stuffing multiple values in a single event require a bit
7369 * more of magic - Jean II */
7370 current_val = current_ev + iwe_stream_lcp_len(info);
7372 iwe.cmd = SIOCGIWRATE;
7373 /* Those two flags are ignored... */
7374 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7376 for (i = 0 ; i < 8 ; i++) {
7377 /* NULL terminated */
7378 if (bss->rates[i] == 0)
7380 /* Bit rate given in 500 kb/s units (+ 0x80) */
7381 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7382 /* Add new value to event */
7383 current_val = iwe_stream_add_value(info, current_ev,
7384 current_val, end_buf,
7385 &iwe, IW_EV_PARAM_LEN);
7387 /* Check if we added any event */
7388 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7389 current_ev = current_val;
7391 /* Beacon interval */
7392 buf = kmalloc(30, GFP_KERNEL);
7394 iwe.cmd = IWEVCUSTOM;
7395 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7396 iwe.u.data.length = strlen(buf);
7397 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7402 /* Put WPA/RSN Information Elements into the event stream */
7403 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7404 unsigned int num_null_ies = 0;
7405 u16 length = sizeof (bss->extra.iep);
7406 u8 *ie = (void *)&bss->extra.iep;
7408 while ((length >= 2) && (num_null_ies < 2)) {
7409 if (2 + ie[1] > length) {
7410 /* Invalid element, don't continue parsing IE */
7416 /* Two zero-length SSID elements
7417 * mean we're done parsing elements */
7422 case WLAN_EID_VENDOR_SPECIFIC:
7428 iwe.cmd = IWEVGENIE;
7429 /* 64 is an arbitrary cut-off */
7430 iwe.u.data.length = min(ie[1] + 2,
7432 current_ev = iwe_stream_add_point(
7439 iwe.cmd = IWEVGENIE;
7440 /* 64 is an arbitrary cut-off */
7441 iwe.u.data.length = min(ie[1] + 2, 64);
7442 current_ev = iwe_stream_add_point(
7443 info, current_ev, end_buf,
7451 length -= 2 + ie[1];
7458 /*------------------------------------------------------------------*/
7460 * Wireless Handler : Read Scan Results
7462 static int airo_get_scan(struct net_device *dev,
7463 struct iw_request_info *info,
7464 struct iw_point *dwrq,
7467 struct airo_info *ai = dev->ml_priv;
7468 BSSListElement *net;
7470 char *current_ev = extra;
7472 /* If a scan is in-progress, return -EAGAIN */
7473 if (ai->scan_timeout > 0)
7476 if (down_interruptible(&ai->sem))
7479 list_for_each_entry (net, &ai->network_list, list) {
7480 /* Translate to WE format this entry */
7481 current_ev = airo_translate_scan(dev, info, current_ev,
7482 extra + dwrq->length,
7485 /* Check if there is space for one more entry */
7486 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7487 /* Ask user space to try again with a bigger buffer */
7493 /* Length of data */
7494 dwrq->length = (current_ev - extra);
7495 dwrq->flags = 0; /* todo */
7502 /*------------------------------------------------------------------*/
7504 * Commit handler : called after a bunch of SET operations
7506 static int airo_config_commit(struct net_device *dev,
7507 struct iw_request_info *info, /* NULL */
7508 void *zwrq, /* NULL */
7509 char *extra) /* NULL */
7511 struct airo_info *local = dev->ml_priv;
7513 if (!test_bit (FLAG_COMMIT, &local->flags))
7516 /* Some of the "SET" function may have modified some of the
7517 * parameters. It's now time to commit them in the card */
7518 disable_MAC(local, 1);
7519 if (test_bit (FLAG_RESET, &local->flags)) {
7522 readSsidRid(local, &SSID_rid);
7523 if (test_bit(FLAG_MPI,&local->flags))
7524 setup_card(local, dev->dev_addr, 1);
7526 reset_airo_card(dev);
7527 disable_MAC(local, 1);
7528 writeSsidRid(local, &SSID_rid, 1);
7529 writeAPListRid(local, &local->APList, 1);
7531 if (down_interruptible(&local->sem))
7532 return -ERESTARTSYS;
7533 writeConfigRid(local, 0);
7534 enable_MAC(local, 0);
7535 if (test_bit (FLAG_RESET, &local->flags))
7536 airo_set_promisc(local, true);
7543 /*------------------------------------------------------------------*/
7545 * Structures to export the Wireless Handlers
7548 static const struct iw_priv_args airo_private_args[] = {
7549 /*{ cmd, set_args, get_args, name } */
7550 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7551 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7552 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7553 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7556 static const iw_handler airo_handler[] =
7558 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7559 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7560 (iw_handler) NULL, /* SIOCSIWNWID */
7561 (iw_handler) NULL, /* SIOCGIWNWID */
7562 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7563 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7564 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7565 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7566 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7567 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7568 (iw_handler) NULL, /* SIOCSIWRANGE */
7569 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7570 (iw_handler) NULL, /* SIOCSIWPRIV */
7571 (iw_handler) NULL, /* SIOCGIWPRIV */
7572 (iw_handler) NULL, /* SIOCSIWSTATS */
7573 (iw_handler) NULL, /* SIOCGIWSTATS */
7574 iw_handler_set_spy, /* SIOCSIWSPY */
7575 iw_handler_get_spy, /* SIOCGIWSPY */
7576 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7577 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7578 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7579 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7580 (iw_handler) NULL, /* -- hole -- */
7581 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7582 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7583 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7584 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7585 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7586 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7587 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7588 (iw_handler) NULL, /* -- hole -- */
7589 (iw_handler) NULL, /* -- hole -- */
7590 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7591 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7592 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7593 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7594 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7595 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7596 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7597 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7598 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7599 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7600 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7601 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7602 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7603 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7604 (iw_handler) NULL, /* -- hole -- */
7605 (iw_handler) NULL, /* -- hole -- */
7606 (iw_handler) NULL, /* SIOCSIWGENIE */
7607 (iw_handler) NULL, /* SIOCGIWGENIE */
7608 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7609 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7610 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7611 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7612 (iw_handler) NULL, /* SIOCSIWPMKSA */
7615 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7616 * We want to force the use of the ioctl code, because those can't be
7617 * won't work the iw_handler code (because they simultaneously read
7618 * and write data and iw_handler can't do that).
7619 * Note that it's perfectly legal to read/write on a single ioctl command,
7620 * you just can't use iwpriv and need to force it via the ioctl handler.
7622 static const iw_handler airo_private_handler[] =
7624 NULL, /* SIOCIWFIRSTPRIV */
7627 static const struct iw_handler_def airo_handler_def =
7629 .num_standard = ARRAY_SIZE(airo_handler),
7630 .num_private = ARRAY_SIZE(airo_private_handler),
7631 .num_private_args = ARRAY_SIZE(airo_private_args),
7632 .standard = airo_handler,
7633 .private = airo_private_handler,
7634 .private_args = airo_private_args,
7635 .get_wireless_stats = airo_get_wireless_stats,
7639 * This defines the configuration part of the Wireless Extensions
7640 * Note : irq and spinlock protection will occur in the subroutines
7643 * o Check input value more carefully and fill correct values in range
7644 * o Test and shakeout the bugs (if any)
7648 * Javier Achirica did a great job of merging code from the unnamed CISCO
7649 * developer that added support for flashing the card.
7651 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7654 struct airo_info *ai = dev->ml_priv;
7656 if (ai->power.event)
7666 int val = AIROMAGIC;
7668 if (copy_from_user(&com, rq->ifr_data, sizeof(com)))
7670 else if (copy_to_user(com.data, (char *)&val, sizeof(val)))
7679 /* Get the command struct and hand it off for evaluation by
7680 * the proper subfunction
7684 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) {
7689 /* Separate R/W functions bracket legality here
7691 if (com.command == AIRORSWVERSION) {
7692 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7697 else if (com.command <= AIRORRID)
7698 rc = readrids(dev,&com);
7699 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2))
7700 rc = writerids(dev,&com);
7701 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART)
7702 rc = flashcard(dev,&com);
7704 rc = -EINVAL; /* Bad command in ioctl */
7707 #endif /* CISCO_EXT */
7709 // All other calls are currently unsupported
7717 * Get the Wireless stats out of the driver
7718 * Note : irq and spinlock protection will occur in the subroutines
7721 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7725 static void airo_read_wireless_stats(struct airo_info *local)
7727 StatusRid status_rid;
7729 CapabilityRid cap_rid;
7730 __le32 *vals = stats_rid.vals;
7732 /* Get stats out of the card */
7733 if (local->power.event)
7736 readCapabilityRid(local, &cap_rid, 0);
7737 readStatusRid(local, &status_rid, 0);
7738 readStatsRid(local, &stats_rid, RID_STATS, 0);
7741 local->wstats.status = le16_to_cpu(status_rid.mode);
7743 /* Signal quality and co */
7745 local->wstats.qual.level =
7746 airo_rssi_to_dbm(local->rssi,
7747 le16_to_cpu(status_rid.sigQuality));
7748 /* normalizedSignalStrength appears to be a percentage */
7749 local->wstats.qual.qual =
7750 le16_to_cpu(status_rid.normalizedSignalStrength);
7752 local->wstats.qual.level =
7753 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7754 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7756 if (le16_to_cpu(status_rid.len) >= 124) {
7757 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7758 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7760 local->wstats.qual.noise = 0;
7761 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7764 /* Packets discarded in the wireless adapter due to wireless
7765 * specific problems */
7766 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7767 le32_to_cpu(vals[57]) +
7768 le32_to_cpu(vals[58]); /* SSID Mismatch */
7769 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7770 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7771 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7772 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7773 le32_to_cpu(vals[32]);
7774 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7777 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7779 struct airo_info *local = dev->ml_priv;
7781 if (!down_interruptible(&local->sem)) {
7782 airo_read_wireless_stats(local);
7785 return &local->wstats;
7790 * This just translates from driver IOCTL codes to the command codes to
7791 * feed to the radio's host interface. Things can be added/deleted
7792 * as needed. This represents the READ side of control I/O to
7795 static int readrids(struct net_device *dev, aironet_ioctl *comp)
7797 unsigned short ridcode;
7798 unsigned char *iobuf;
7800 struct airo_info *ai = dev->ml_priv;
7802 if (test_bit(FLAG_FLASHING, &ai->flags))
7805 switch(comp->command)
7807 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7808 case AIROGCFG: ridcode = RID_CONFIG;
7809 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7810 disable_MAC (ai, 1);
7811 writeConfigRid (ai, 1);
7815 case AIROGSLIST: ridcode = RID_SSID; break;
7816 case AIROGVLIST: ridcode = RID_APLIST; break;
7817 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7818 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7819 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
7820 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
7821 case AIROGSTAT: ridcode = RID_STATUS; break;
7822 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7823 case AIROGSTATSC32: ridcode = RID_STATS; break;
7825 if (copy_to_user(comp->data, &ai->micstats,
7826 min((int)comp->len, (int)sizeof(ai->micstats))))
7829 case AIRORRID: ridcode = comp->ridnum; break;
7834 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
7835 /* Only super-user can read WEP keys */
7836 if (!capable(CAP_NET_ADMIN))
7840 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7843 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1);
7844 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7845 * then return it to the user
7846 * 9/22/2000 Honor user given length
7850 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7859 * Danger Will Robinson write the rids here
7862 static int writerids(struct net_device *dev, aironet_ioctl *comp)
7864 struct airo_info *ai = dev->ml_priv;
7867 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7868 unsigned char *iobuf;
7870 /* Only super-user can write RIDs */
7871 if (!capable(CAP_NET_ADMIN))
7874 if (test_bit(FLAG_FLASHING, &ai->flags))
7878 writer = do_writerid;
7880 switch(comp->command)
7882 case AIROPSIDS: ridcode = RID_SSID; break;
7883 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7884 case AIROPAPLIST: ridcode = RID_APLIST; break;
7885 case AIROPCFG: ai->config.len = 0;
7886 clear_bit(FLAG_COMMIT, &ai->flags);
7887 ridcode = RID_CONFIG; break;
7888 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7889 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7890 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7891 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7893 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7894 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7896 /* this is not really a rid but a command given to the card
7900 if (enable_MAC(ai, 1) != 0)
7905 * Evidently this code in the airo driver does not get a symbol
7906 * as disable_MAC. it's probably so short the compiler does not gen one.
7912 /* This command merely clears the counts does not actually store any data
7913 * only reads rid. But as it changes the cards state, I put it in the
7914 * writerid routines.
7917 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7920 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1);
7922 enabled = ai->micstats.enabled;
7923 memset(&ai->micstats, 0, sizeof(ai->micstats));
7924 ai->micstats.enabled = enabled;
7926 if (copy_to_user(comp->data, iobuf,
7927 min((int)comp->len, (int)RIDSIZE))) {
7935 return -EOPNOTSUPP; /* Blarg! */
7937 if (comp->len > RIDSIZE)
7940 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7943 if (copy_from_user(iobuf, comp->data, comp->len)) {
7948 if (comp->command == AIROPCFG) {
7949 ConfigRid *cfg = (ConfigRid *)iobuf;
7951 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7952 cfg->opmode |= MODE_MIC;
7954 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7955 set_bit (FLAG_ADHOC, &ai->flags);
7957 clear_bit (FLAG_ADHOC, &ai->flags);
7960 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) {
7968 /*****************************************************************************
7969 * Ancillary flash / mod functions much black magic lurkes here *
7970 *****************************************************************************
7974 * Flash command switch table
7977 static int flashcard(struct net_device *dev, aironet_ioctl *comp)
7981 /* Only super-user can modify flash */
7982 if (!capable(CAP_NET_ADMIN))
7985 switch(comp->command)
7988 return cmdreset((struct airo_info *)dev->ml_priv);
7991 if (!AIRO_FLASH(dev) &&
7992 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7994 return setflashmode((struct airo_info *)dev->ml_priv);
7996 case AIROFLSHGCHR: /* Get char from aux */
7997 if (comp->len != sizeof(int))
7999 if (copy_from_user(&z, comp->data, comp->len))
8001 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8003 case AIROFLSHPCHR: /* Send char to card. */
8004 if (comp->len != sizeof(int))
8006 if (copy_from_user(&z, comp->data, comp->len))
8008 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8010 case AIROFLPUTBUF: /* Send 32k to card */
8011 if (!AIRO_FLASH(dev))
8013 if (comp->len > FLASHSIZE)
8015 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8018 flashputbuf((struct airo_info *)dev->ml_priv);
8022 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8029 #define FLASH_COMMAND 0x7e7e
8033 * Disable MAC and do soft reset on
8037 static int cmdreset(struct airo_info *ai)
8041 if (!waitbusy (ai)) {
8042 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8046 OUT4500(ai, COMMAND, CMD_SOFTRESET);
8048 ssleep(1); /* WAS 600 12/7/00 */
8050 if (!waitbusy (ai)) {
8051 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8058 * Put the card in legendary flash
8062 static int setflashmode (struct airo_info *ai)
8064 set_bit (FLAG_FLASHING, &ai->flags);
8066 OUT4500(ai, SWS0, FLASH_COMMAND);
8067 OUT4500(ai, SWS1, FLASH_COMMAND);
8069 OUT4500(ai, SWS0, FLASH_COMMAND);
8070 OUT4500(ai, COMMAND, 0x10);
8072 OUT4500(ai, SWS2, FLASH_COMMAND);
8073 OUT4500(ai, SWS3, FLASH_COMMAND);
8074 OUT4500(ai, COMMAND, 0);
8076 msleep(500); /* 500ms delay */
8078 if (!waitbusy(ai)) {
8079 clear_bit (FLAG_FLASHING, &ai->flags);
8080 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8086 /* Put character to SWS0 wait for dwelltime
8090 static int flashpchar(struct airo_info *ai, int byte, int dwelltime)
8100 waittime = dwelltime;
8102 /* Wait for busy bit d15 to go false indicating buffer empty */
8103 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8108 /* timeout for busy clear wait */
8109 if (waittime <= 0) {
8110 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8114 /* Port is clear now write byte and wait for it to echo back */
8116 OUT4500(ai, SWS0, byte);
8119 echo = IN4500(ai, SWS1);
8120 } while (dwelltime >= 0 && echo != byte);
8122 OUT4500(ai, SWS1, 0);
8124 return (echo == byte) ? 0 : -EIO;
8128 * Get a character from the card matching matchbyte
8131 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime)
8134 unsigned char rbyte = 0;
8137 rchar = IN4500(ai, SWS1);
8139 if (dwelltime && !(0x8000 & rchar)) {
8144 rbyte = 0xff & rchar;
8146 if ((rbyte == matchbyte) && (0x8000 & rchar)) {
8147 OUT4500(ai, SWS1, 0);
8150 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8152 OUT4500(ai, SWS1, 0);
8154 } while (dwelltime > 0);
8159 * Transfer 32k of firmware data from user buffer to our buffer and
8163 static int flashputbuf(struct airo_info *ai)
8168 if (test_bit(FLAG_MPI,&ai->flags))
8169 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8171 OUT4500(ai, AUXPAGE, 0x100);
8172 OUT4500(ai, AUXOFF, 0);
8174 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) {
8175 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff);
8178 OUT4500(ai, SWS0, 0x8000);
8186 static int flashrestart(struct airo_info *ai, struct net_device *dev)
8190 ssleep(1); /* Added 12/7/00 */
8191 clear_bit (FLAG_FLASHING, &ai->flags);
8192 if (test_bit(FLAG_MPI, &ai->flags)) {
8193 status = mpi_init_descriptors(ai);
8194 if (status != SUCCESS)
8197 status = setup_card(ai, dev->dev_addr, 1);
8199 if (!test_bit(FLAG_MPI,&ai->flags))
8200 for (i = 0; i < MAX_FIDS; i++) {
8201 ai->fids[i] = transmit_allocate
8202 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2);
8205 ssleep(1); /* Added 12/7/00 */
8208 #endif /* CISCO_EXT */
8211 This program is free software; you can redistribute it and/or
8212 modify it under the terms of the GNU General Public License
8213 as published by the Free Software Foundation; either version 2
8214 of the License, or (at your option) any later version.
8216 This program is distributed in the hope that it will be useful,
8217 but WITHOUT ANY WARRANTY; without even the implied warranty of
8218 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8219 GNU General Public License for more details.
8223 Redistribution and use in source and binary forms, with or without
8224 modification, are permitted provided that the following conditions
8227 1. Redistributions of source code must retain the above copyright
8228 notice, this list of conditions and the following disclaimer.
8229 2. Redistributions in binary form must reproduce the above copyright
8230 notice, this list of conditions and the following disclaimer in the
8231 documentation and/or other materials provided with the distribution.
8232 3. The name of the author may not be used to endorse or promote
8233 products derived from this software without specific prior written
8236 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8237 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8238 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8239 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8240 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8241 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8242 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8243 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8244 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8245 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8246 POSSIBILITY OF SUCH DAMAGE.
8249 module_init(airo_init_module);
8250 module_exit(airo_cleanup_module);