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 extensions */
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*, struct net_device *dev, 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_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *, 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 dev_addr_set(ai->dev, addr->sa_data);
2342 dev_addr_set(ai->wifidev, addr->sa_data);
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_siocdevprivate = airo_siocdevprivate,
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_siocdevprivate = airo_siocdevprivate,
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_siocdevprivate = airo_siocdevprivate,
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, 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, 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 int noinline_for_stack airo_readconfig(struct airo_info *ai,
3821 struct net_device *dev, int lock)
3824 /* large variables, so don't inline this function,
3825 * maybe change to kmalloc
3827 tdsRssiRid rssi_rid;
3828 CapabilityRid cap_rid;
3832 // general configuration (read/modify/write)
3833 status = readConfigRid(ai, lock);
3834 if (status != SUCCESS) return ERROR;
3836 status = readCapabilityRid(ai, &cap_rid, lock);
3837 if (status != SUCCESS) return ERROR;
3839 status = PC4500_readrid(ai, RID_RSSI, &rssi_rid, sizeof(rssi_rid), lock);
3840 if (status == SUCCESS) {
3841 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3842 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3847 if (cap_rid.softCap & cpu_to_le16(8))
3848 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3850 airo_print_warn(ai->dev->name, "unknown received signal "
3853 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3854 set_auth_type(ai, AUTH_OPEN);
3855 ai->config.modulation = MOD_CCK;
3857 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3858 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3859 micsetup(ai) == SUCCESS) {
3860 ai->config.opmode |= MODE_MIC;
3861 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3864 /* Save off the MAC */
3865 eth_hw_addr_set(dev, ai->config.macAddr);
3867 /* Check to see if there are any insmod configured
3870 memset(ai->config.rates, 0, sizeof(ai->config.rates));
3871 for (i = 0; i < 8 && rates[i]; i++) {
3872 ai->config.rates[i] = rates[i];
3875 set_bit (FLAG_COMMIT, &ai->flags);
3881 static u16 setup_card(struct airo_info *ai, struct net_device *dev, int lock)
3891 memset(&mySsid, 0, sizeof(mySsid));
3895 /* The NOP is the first step in getting the card going */
3897 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3898 if (lock && down_interruptible(&ai->sem))
3900 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) {
3907 // Let's figure out if we need to use the AUX port
3908 if (!test_bit(FLAG_MPI,&ai->flags)) {
3909 cmd.cmd = CMD_ENABLEAUX;
3910 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) {
3913 airo_print_err(ai->dev->name, "Error checking for AUX port");
3916 if (!aux_bap || rsp.status & 0xff00) {
3917 ai->bap_read = fast_bap_read;
3918 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3920 ai->bap_read = aux_bap_read;
3921 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3926 if (ai->config.len == 0) {
3927 status = airo_readconfig(ai, dev, lock);
3928 if (status != SUCCESS)
3932 /* Setup the SSIDs if present */
3935 for (i = 0; i < 3 && ssids[i]; i++) {
3936 size_t len = strlen(ssids[i]);
3939 mySsid.ssids[i].len = cpu_to_le16(len);
3940 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3942 mySsid.len = cpu_to_le16(sizeof(mySsid));
3945 status = writeConfigRid(ai, lock);
3946 if (status != SUCCESS) return ERROR;
3948 /* Set up the SSID list */
3950 status = writeSsidRid(ai, &mySsid, lock);
3951 if (status != SUCCESS) return ERROR;
3954 status = enable_MAC(ai, lock);
3955 if (status != SUCCESS)
3958 /* Grab the initial wep key, we gotta save it for auto_wep */
3959 rc = readWepKeyRid(ai, &wkr, 1, lock);
3960 if (rc == SUCCESS) do {
3961 lastindex = wkr.kindex;
3962 if (wkr.kindex == cpu_to_le16(0xffff)) {
3963 ai->defindex = wkr.mac[0];
3965 rc = readWepKeyRid(ai, &wkr, 0, lock);
3966 } while (lastindex != wkr.kindex);
3973 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp,
3976 // Im really paranoid about letting it run forever!
3977 int max_tries = 600000;
3979 if (IN4500(ai, EVSTAT) & EV_CMD)
3980 OUT4500(ai, EVACK, EV_CMD);
3982 OUT4500(ai, PARAM0, pCmd->parm0);
3983 OUT4500(ai, PARAM1, pCmd->parm1);
3984 OUT4500(ai, PARAM2, pCmd->parm2);
3985 OUT4500(ai, COMMAND, pCmd->cmd);
3987 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3988 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3989 // PC4500 didn't notice command, try again
3990 OUT4500(ai, COMMAND, pCmd->cmd);
3991 if (may_sleep && (max_tries & 255) == 0)
3995 if (max_tries == -1) {
3996 airo_print_err(ai->dev->name,
3997 "Max tries exceeded when issuing command");
3998 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3999 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
4003 // command completed
4004 pRsp->status = IN4500(ai, STATUS);
4005 pRsp->rsp0 = IN4500(ai, RESP0);
4006 pRsp->rsp1 = IN4500(ai, RESP1);
4007 pRsp->rsp2 = IN4500(ai, RESP2);
4008 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
4009 airo_print_err(ai->dev->name,
4010 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
4011 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
4014 // clear stuck command busy if necessary
4015 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
4016 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
4018 // acknowledge processing the status/response
4019 OUT4500(ai, EVACK, EV_CMD);
4024 /* Sets up the bap to start exchange data. whichbap should
4025 * be one of the BAP0 or BAP1 defines. Locks should be held before
4027 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap)
4032 OUT4500(ai, SELECT0+whichbap, rid);
4033 OUT4500(ai, OFFSET0+whichbap, offset);
4035 int status = IN4500(ai, OFFSET0+whichbap);
4036 if (status & BAP_BUSY) {
4037 /* This isn't really a timeout, but its kinda
4042 } else if (status & BAP_ERR) {
4043 /* invalid rid or offset */
4044 airo_print_err(ai->dev->name, "BAP error %x %d",
4047 } else if (status & BAP_DONE) { // success
4050 if (!(max_tries--)) {
4051 airo_print_err(ai->dev->name,
4052 "BAP setup error too many retries\n");
4055 // -- PC4500 missed it, try again
4056 OUT4500(ai, SELECT0+whichbap, rid);
4057 OUT4500(ai, OFFSET0+whichbap, offset);
4062 /* should only be called by aux_bap_read. This aux function and the
4063 following use concepts not documented in the developers guide. I
4064 got them from a patch given to my by Aironet */
4065 static u16 aux_setup(struct airo_info *ai, u16 page,
4066 u16 offset, u16 *len)
4070 OUT4500(ai, AUXPAGE, page);
4071 OUT4500(ai, AUXOFF, 0);
4072 next = IN4500(ai, AUXDATA);
4073 *len = IN4500(ai, AUXDATA)&0xff;
4074 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4078 /* requires call to bap_setup() first */
4079 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4080 int bytelen, int whichbap)
4088 unsigned long flags;
4090 spin_lock_irqsave(&ai->aux_lock, flags);
4091 page = IN4500(ai, SWS0+whichbap);
4092 offset = IN4500(ai, SWS2+whichbap);
4093 next = aux_setup(ai, page, offset, &len);
4094 words = (bytelen+1)>>1;
4096 for (i = 0; i<words;) {
4098 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4100 insw(ai->dev->base_addr+DATA0+whichbap,
4103 insb(ai->dev->base_addr+DATA0+whichbap,
4104 pu16Dst+i, count << 1);
4107 next = aux_setup(ai, next, 4, &len);
4110 spin_unlock_irqrestore(&ai->aux_lock, flags);
4115 /* requires call to bap_setup() first */
4116 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4117 int bytelen, int whichbap)
4119 bytelen = (bytelen + 1) & (~1); // round up to even value
4121 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1);
4123 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen);
4127 /* requires call to bap_setup() first */
4128 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4129 int bytelen, int whichbap)
4131 bytelen = (bytelen + 1) & (~1); // round up to even value
4133 outsw(ai->dev->base_addr+DATA0+whichbap,
4134 pu16Src, bytelen>>1);
4136 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen);
4140 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4142 Cmd cmd; /* for issuing commands */
4143 Resp rsp; /* response from commands */
4146 memset(&cmd, 0, sizeof(cmd));
4149 status = issuecommand(ai, &cmd, &rsp, true);
4150 if (status != 0) return status;
4151 if ((rsp.status & 0x7F00) != 0) {
4152 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4157 /* Note, that we are using BAP1 which is also used by transmit, so
4158 * we must get a lock. */
4159 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4165 if (down_interruptible(&ai->sem))
4168 if (test_bit(FLAG_MPI,&ai->flags)) {
4172 memset(&cmd, 0, sizeof(cmd));
4173 memset(&rsp, 0, sizeof(rsp));
4174 ai->config_desc.rid_desc.valid = 1;
4175 ai->config_desc.rid_desc.len = RIDSIZE;
4176 ai->config_desc.rid_desc.rid = 0;
4177 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4179 cmd.cmd = CMD_ACCESS;
4182 memcpy_toio(ai->config_desc.card_ram_off,
4183 &ai->config_desc.rid_desc, sizeof(Rid));
4185 rc = issuecommand(ai, &cmd, &rsp, true);
4187 if (rsp.status & 0x7f00)
4190 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4193 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4197 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4201 // read the rid length field
4202 bap_read(ai, pBuf, 2, BAP1);
4203 // length for remaining part of rid
4204 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4207 airo_print_err(ai->dev->name,
4208 "Rid %x has a length of %d which is too short",
4209 (int)rid, (int)len);
4213 // read remainder of the rid
4214 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4222 /* Note, that we are using BAP1 which is also used by transmit, so
4223 * make sure this isn't called when a transmit is happening */
4224 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4225 const void *pBuf, int len, int lock)
4230 *(__le16*)pBuf = cpu_to_le16((u16)len);
4233 if (down_interruptible(&ai->sem))
4236 if (test_bit(FLAG_MPI,&ai->flags)) {
4240 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4241 airo_print_err(ai->dev->name,
4242 "%s: MAC should be disabled (rid=%04x)",
4244 memset(&cmd, 0, sizeof(cmd));
4245 memset(&rsp, 0, sizeof(rsp));
4247 ai->config_desc.rid_desc.valid = 1;
4248 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4249 ai->config_desc.rid_desc.rid = 0;
4251 cmd.cmd = CMD_WRITERID;
4254 memcpy_toio(ai->config_desc.card_ram_off,
4255 &ai->config_desc.rid_desc, sizeof(Rid));
4257 if (len < 4 || len > 2047) {
4258 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4261 memcpy(ai->config_desc.virtual_host_addr,
4264 rc = issuecommand(ai, &cmd, &rsp, true);
4265 if ((rc & 0xff00) != 0) {
4266 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4268 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4272 if ((rsp.status & 0x7f00))
4276 // --- first access so that we can write the rid data
4277 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4281 // --- now write the rid data
4282 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4286 bap_write(ai, pBuf, len, BAP1);
4287 // ---now commit the rid data
4288 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4296 /* Allocates a FID to be used for transmitting packets. We only use
4298 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4300 unsigned int loop = 3000;
4306 cmd.cmd = CMD_ALLOCATETX;
4307 cmd.parm0 = lenPayload;
4308 if (down_interruptible(&ai->sem))
4310 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) {
4314 if ((rsp.status & 0xFF00) != 0) {
4318 /* wait for the allocate event/indication
4319 * It makes me kind of nervous that this can just sit here and spin,
4320 * but in practice it only loops like four times. */
4321 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4327 // get the allocated fid and acknowledge
4328 txFid = IN4500(ai, TXALLOCFID);
4329 OUT4500(ai, EVACK, EV_ALLOC);
4331 /* The CARD is pretty cool since it converts the ethernet packet
4332 * into 802.11. Also note that we don't release the FID since we
4333 * will be using the same one over and over again. */
4334 /* We only have to setup the control once since we are not
4335 * releasing the fid. */
4337 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4338 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4340 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4341 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4342 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4345 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4353 /* In general BAP1 is dedicated to transmiting packets. However,
4354 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4355 Make sure the BAP1 spinlock is held when this is called. */
4356 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket,
4368 if (len <= ETH_ALEN * 2) {
4369 airo_print_warn(ai->dev->name, "Short packet %d", len);
4372 len -= ETH_ALEN * 2;
4374 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4375 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4376 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS)
4378 miclen = sizeof(pMic);
4380 // packet is destination[6], source[6], payload[len-12]
4381 // write the payload length and dst/src/payload
4382 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4383 /* The hardware addresses aren't counted as part of the payload, so
4384 * we have to subtract the 12 bytes for the addresses off */
4385 payloadLen = cpu_to_le16(len + miclen);
4386 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1);
4387 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4389 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4390 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4391 // issue the transmit command
4392 memset(&cmd, 0, sizeof(cmd));
4393 cmd.cmd = CMD_TRANSMIT;
4395 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS)
4397 if ((rsp.status & 0xFF00) != 0) return ERROR;
4401 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket,
4404 __le16 fc, payloadLen;
4408 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4409 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4413 fc = *(__le16*)pPacket;
4414 hdrlen = header_len(fc);
4417 airo_print_warn(ai->dev->name, "Short packet %d", len);
4421 /* packet is 802.11 header + payload
4422 * write the payload length and dst/src/payload */
4423 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4424 /* The 802.11 header aren't counted as part of the payload, so
4425 * we have to subtract the header bytes off */
4426 payloadLen = cpu_to_le16(len-hdrlen);
4427 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1);
4428 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4429 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4430 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4432 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4433 // issue the transmit command
4434 memset(&cmd, 0, sizeof(cmd));
4435 cmd.cmd = CMD_TRANSMIT;
4437 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS)
4439 if ((rsp.status & 0xFF00) != 0) return ERROR;
4444 * This is the proc_fs routines. It is a bit messier than I would
4445 * like! Feel free to clean it up!
4448 static ssize_t proc_read(struct file *file,
4449 char __user *buffer,
4453 static ssize_t proc_write(struct file *file,
4454 const char __user *buffer,
4457 static int proc_close(struct inode *inode, struct file *file);
4459 static int proc_stats_open(struct inode *inode, struct file *file);
4460 static int proc_statsdelta_open(struct inode *inode, struct file *file);
4461 static int proc_status_open(struct inode *inode, struct file *file);
4462 static int proc_SSID_open(struct inode *inode, struct file *file);
4463 static int proc_APList_open(struct inode *inode, struct file *file);
4464 static int proc_BSSList_open(struct inode *inode, struct file *file);
4465 static int proc_config_open(struct inode *inode, struct file *file);
4466 static int proc_wepkey_open(struct inode *inode, struct file *file);
4468 static const struct proc_ops proc_statsdelta_ops = {
4469 .proc_read = proc_read,
4470 .proc_open = proc_statsdelta_open,
4471 .proc_release = proc_close,
4472 .proc_lseek = default_llseek,
4475 static const struct proc_ops proc_stats_ops = {
4476 .proc_read = proc_read,
4477 .proc_open = proc_stats_open,
4478 .proc_release = proc_close,
4479 .proc_lseek = default_llseek,
4482 static const struct proc_ops proc_status_ops = {
4483 .proc_read = proc_read,
4484 .proc_open = proc_status_open,
4485 .proc_release = proc_close,
4486 .proc_lseek = default_llseek,
4489 static const struct proc_ops proc_SSID_ops = {
4490 .proc_read = proc_read,
4491 .proc_write = proc_write,
4492 .proc_open = proc_SSID_open,
4493 .proc_release = proc_close,
4494 .proc_lseek = default_llseek,
4497 static const struct proc_ops proc_BSSList_ops = {
4498 .proc_read = proc_read,
4499 .proc_write = proc_write,
4500 .proc_open = proc_BSSList_open,
4501 .proc_release = proc_close,
4502 .proc_lseek = default_llseek,
4505 static const struct proc_ops proc_APList_ops = {
4506 .proc_read = proc_read,
4507 .proc_write = proc_write,
4508 .proc_open = proc_APList_open,
4509 .proc_release = proc_close,
4510 .proc_lseek = default_llseek,
4513 static const struct proc_ops proc_config_ops = {
4514 .proc_read = proc_read,
4515 .proc_write = proc_write,
4516 .proc_open = proc_config_open,
4517 .proc_release = proc_close,
4518 .proc_lseek = default_llseek,
4521 static const struct proc_ops proc_wepkey_ops = {
4522 .proc_read = proc_read,
4523 .proc_write = proc_write,
4524 .proc_open = proc_wepkey_open,
4525 .proc_release = proc_close,
4526 .proc_lseek = default_llseek,
4529 static struct proc_dir_entry *airo_entry;
4538 void (*on_close) (struct inode *, struct file *);
4541 static int setup_proc_entry(struct net_device *dev,
4542 struct airo_info *apriv)
4544 struct proc_dir_entry *entry;
4546 /* First setup the device directory */
4547 strcpy(apriv->proc_name, dev->name);
4548 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4550 if (!apriv->proc_entry)
4552 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4554 /* Setup the StatsDelta */
4555 entry = proc_create_data("StatsDelta", 0444 & proc_perm,
4556 apriv->proc_entry, &proc_statsdelta_ops, dev);
4559 proc_set_user(entry, proc_kuid, proc_kgid);
4561 /* Setup the Stats */
4562 entry = proc_create_data("Stats", 0444 & proc_perm,
4563 apriv->proc_entry, &proc_stats_ops, dev);
4566 proc_set_user(entry, proc_kuid, proc_kgid);
4568 /* Setup the Status */
4569 entry = proc_create_data("Status", 0444 & proc_perm,
4570 apriv->proc_entry, &proc_status_ops, dev);
4573 proc_set_user(entry, proc_kuid, proc_kgid);
4575 /* Setup the Config */
4576 entry = proc_create_data("Config", proc_perm,
4577 apriv->proc_entry, &proc_config_ops, dev);
4580 proc_set_user(entry, proc_kuid, proc_kgid);
4582 /* Setup the SSID */
4583 entry = proc_create_data("SSID", proc_perm,
4584 apriv->proc_entry, &proc_SSID_ops, dev);
4587 proc_set_user(entry, proc_kuid, proc_kgid);
4589 /* Setup the APList */
4590 entry = proc_create_data("APList", proc_perm,
4591 apriv->proc_entry, &proc_APList_ops, dev);
4594 proc_set_user(entry, proc_kuid, proc_kgid);
4596 /* Setup the BSSList */
4597 entry = proc_create_data("BSSList", proc_perm,
4598 apriv->proc_entry, &proc_BSSList_ops, dev);
4601 proc_set_user(entry, proc_kuid, proc_kgid);
4603 /* Setup the WepKey */
4604 entry = proc_create_data("WepKey", proc_perm,
4605 apriv->proc_entry, &proc_wepkey_ops, dev);
4608 proc_set_user(entry, proc_kuid, proc_kgid);
4612 remove_proc_subtree(apriv->proc_name, airo_entry);
4616 static int takedown_proc_entry(struct net_device *dev,
4617 struct airo_info *apriv)
4619 remove_proc_subtree(apriv->proc_name, airo_entry);
4624 * What we want from the proc_fs is to be able to efficiently read
4625 * and write the configuration. To do this, we want to read the
4626 * configuration when the file is opened and write it when the file is
4627 * closed. So basically we allocate a read buffer at open and fill it
4628 * with data, and allocate a write buffer and read it at close.
4632 * The read routine is generic, it relies on the preallocated rbuffer
4633 * to supply the data.
4635 static ssize_t proc_read(struct file *file,
4636 char __user *buffer,
4640 struct proc_data *priv = file->private_data;
4645 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4650 * The write routine is generic, it fills in a preallocated rbuffer
4651 * to supply the data.
4653 static ssize_t proc_write(struct file *file,
4654 const char __user *buffer,
4659 struct proc_data *priv = file->private_data;
4664 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4667 priv->writelen = max_t(int, priv->writelen, *offset);
4672 static int proc_status_open(struct inode *inode, struct file *file)
4674 struct proc_data *data;
4675 struct net_device *dev = pde_data(inode);
4676 struct airo_info *apriv = dev->ml_priv;
4677 CapabilityRid cap_rid;
4678 StatusRid status_rid;
4682 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
4684 data = file->private_data;
4685 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) {
4686 kfree (file->private_data);
4690 readStatusRid(apriv, &status_rid, 1);
4691 readCapabilityRid(apriv, &cap_rid, 1);
4693 mode = le16_to_cpu(status_rid.mode);
4695 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4696 mode & 1 ? "CFG ": "",
4697 mode & 2 ? "ACT ": "",
4698 mode & 0x10 ? "SYN ": "",
4699 mode & 0x20 ? "LNK ": "",
4700 mode & 0x40 ? "LEAP ": "",
4701 mode & 0x80 ? "PRIV ": "",
4702 mode & 0x100 ? "KEY ": "",
4703 mode & 0x200 ? "WEP ": "",
4704 mode & 0x8000 ? "ERR ": "");
4705 sprintf(data->rbuffer+i, "Mode: %x\n"
4706 "Signal Strength: %d\n"
4707 "Signal Quality: %d\n"
4712 "Driver Version: %s\n"
4713 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4714 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4715 "Software Version: %x\nSoftware Subversion: %x\n"
4716 "Boot block version: %x\n",
4717 le16_to_cpu(status_rid.mode),
4718 le16_to_cpu(status_rid.normalizedSignalStrength),
4719 le16_to_cpu(status_rid.signalQuality),
4720 le16_to_cpu(status_rid.SSIDlen),
4723 le16_to_cpu(status_rid.channel),
4724 le16_to_cpu(status_rid.currentXmitRate) / 2,
4729 le16_to_cpu(cap_rid.radioType),
4730 le16_to_cpu(cap_rid.country),
4731 le16_to_cpu(cap_rid.hardVer),
4732 le16_to_cpu(cap_rid.softVer),
4733 le16_to_cpu(cap_rid.softSubVer),
4734 le16_to_cpu(cap_rid.bootBlockVer));
4735 data->readlen = strlen(data->rbuffer);
4739 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4740 static int proc_statsdelta_open(struct inode *inode,
4743 if (file->f_mode&FMODE_WRITE) {
4744 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4746 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4749 static int proc_stats_open(struct inode *inode, struct file *file)
4751 return proc_stats_rid_open(inode, file, RID_STATS);
4754 static int proc_stats_rid_open(struct inode *inode,
4758 struct proc_data *data;
4759 struct net_device *dev = pde_data(inode);
4760 struct airo_info *apriv = dev->ml_priv;
4763 __le32 *vals = stats.vals;
4766 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
4768 data = file->private_data;
4769 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) {
4770 kfree (file->private_data);
4774 readStatsRid(apriv, &stats, rid, 1);
4775 len = le16_to_cpu(stats.len);
4778 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4779 if (!statsLabels[i]) continue;
4780 if (j+strlen(statsLabels[i])+16>4096) {
4781 airo_print_warn(apriv->dev->name,
4782 "Potentially disastrous buffer overflow averted!");
4785 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4786 le32_to_cpu(vals[i]));
4789 airo_print_warn(apriv->dev->name, "Got a short rid");
4795 static int get_dec_u16(char *buffer, int *start, int limit)
4799 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4800 buffer[*start] <= '9'; (*start)++) {
4803 value += buffer[*start] - '0';
4805 if (!valid) return -1;
4809 static int airo_config_commit(struct net_device *dev,
4810 struct iw_request_info *info,
4811 union iwreq_data *wrqu,
4814 static inline int sniffing_mode(struct airo_info *ai)
4816 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4817 le16_to_cpu(RXMODE_RFMON);
4820 static void proc_config_on_close(struct inode *inode, struct file *file)
4822 struct proc_data *data = file->private_data;
4823 struct net_device *dev = pde_data(inode);
4824 struct airo_info *ai = dev->ml_priv;
4827 if (!data->writelen) return;
4829 readConfigRid(ai, 1);
4830 set_bit (FLAG_COMMIT, &ai->flags);
4832 line = data->wbuffer;
4834 /*** Mode processing */
4835 if (!strncmp(line, "Mode: ", 6)) {
4837 if (sniffing_mode(ai))
4838 set_bit (FLAG_RESET, &ai->flags);
4839 ai->config.rmode &= ~RXMODE_FULL_MASK;
4840 clear_bit (FLAG_802_11, &ai->flags);
4841 ai->config.opmode &= ~MODE_CFG_MASK;
4842 ai->config.scanMode = SCANMODE_ACTIVE;
4843 if (line[0] == 'a') {
4844 ai->config.opmode |= MODE_STA_IBSS;
4846 ai->config.opmode |= MODE_STA_ESS;
4847 if (line[0] == 'r') {
4848 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4849 ai->config.scanMode = SCANMODE_PASSIVE;
4850 set_bit (FLAG_802_11, &ai->flags);
4851 } else if (line[0] == 'y') {
4852 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4853 ai->config.scanMode = SCANMODE_PASSIVE;
4854 set_bit (FLAG_802_11, &ai->flags);
4855 } else if (line[0] == 'l')
4856 ai->config.rmode |= RXMODE_LANMON;
4858 set_bit (FLAG_COMMIT, &ai->flags);
4861 /*** Radio status */
4862 else if (!strncmp(line,"Radio: ", 7)) {
4864 if (!strncmp(line,"off", 3)) {
4865 set_bit (FLAG_RADIO_OFF, &ai->flags);
4867 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4870 /*** NodeName processing */
4871 else if (!strncmp(line, "NodeName: ", 10)) {
4875 memset(ai->config.nodeName, 0, 16);
4876 /* Do the name, assume a space between the mode and node name */
4877 for (j = 0; j < 16 && line[j] != '\n'; j++) {
4878 ai->config.nodeName[j] = line[j];
4880 set_bit (FLAG_COMMIT, &ai->flags);
4883 /*** PowerMode processing */
4884 else if (!strncmp(line, "PowerMode: ", 11)) {
4886 if (!strncmp(line, "PSPCAM", 6)) {
4887 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 } else if (!strncmp(line, "PSP", 3)) {
4890 ai->config.powerSaveMode = POWERSAVE_PSP;
4891 set_bit (FLAG_COMMIT, &ai->flags);
4893 ai->config.powerSaveMode = POWERSAVE_CAM;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4896 } else if (!strncmp(line, "DataRates: ", 11)) {
4897 int v, i = 0, k = 0; /* i is index into line,
4898 k is index to rates */
4901 while ((v = get_dec_u16(line, &i, 3))!=-1) {
4902 ai->config.rates[k++] = (u8)v;
4906 set_bit (FLAG_COMMIT, &ai->flags);
4907 } else if (!strncmp(line, "Channel: ", 9)) {
4910 v = get_dec_u16(line, &i, i+3);
4912 ai->config.channelSet = cpu_to_le16(v);
4913 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if (!strncmp(line, "XmitPower: ", 11)) {
4918 v = get_dec_u16(line, &i, i+3);
4920 ai->config.txPower = cpu_to_le16(v);
4921 set_bit (FLAG_COMMIT, &ai->flags);
4923 } else if (!strncmp(line, "WEP: ", 5)) {
4927 set_auth_type(ai, AUTH_SHAREDKEY);
4930 set_auth_type(ai, AUTH_ENCRYPT);
4933 set_auth_type(ai, AUTH_OPEN);
4936 set_bit (FLAG_COMMIT, &ai->flags);
4937 } else if (!strncmp(line, "LongRetryLimit: ", 16)) {
4941 v = get_dec_u16(line, &i, 3);
4942 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4943 ai->config.longRetryLimit = cpu_to_le16(v);
4944 set_bit (FLAG_COMMIT, &ai->flags);
4945 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) {
4949 v = get_dec_u16(line, &i, 3);
4950 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4951 ai->config.shortRetryLimit = cpu_to_le16(v);
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 } else if (!strncmp(line, "RTSThreshold: ", 14)) {
4957 v = get_dec_u16(line, &i, 4);
4958 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4959 ai->config.rtsThres = cpu_to_le16(v);
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) {
4965 v = get_dec_u16(line, &i, 5);
4967 ai->config.txLifetime = cpu_to_le16(v);
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) {
4973 v = get_dec_u16(line, &i, 5);
4975 ai->config.rxLifetime = cpu_to_le16(v);
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if (!strncmp(line, "TXDiversity: ", 13)) {
4978 ai->config.txDiversity =
4979 (line[13]=='l') ? 1 :
4980 ((line[13]=='r')? 2: 3);
4981 set_bit (FLAG_COMMIT, &ai->flags);
4982 } else if (!strncmp(line, "RXDiversity: ", 13)) {
4983 ai->config.rxDiversity =
4984 (line[13]=='l') ? 1 :
4985 ((line[13]=='r')? 2: 3);
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if (!strncmp(line, "FragThreshold: ", 15)) {
4991 v = get_dec_u16(line, &i, 4);
4992 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4993 v = v & 0xfffe; /* Make sure its even */
4994 ai->config.fragThresh = cpu_to_le16(v);
4995 set_bit (FLAG_COMMIT, &ai->flags);
4996 } else if (!strncmp(line, "Modulation: ", 12)) {
4999 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5001 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5004 } else if (!strncmp(line, "Preamble: ", 10)) {
5007 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5008 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5009 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5010 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5013 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5015 while (line[0] && line[0] != '\n') line++;
5016 if (line[0]) line++;
5018 airo_config_commit(dev, NULL, NULL, NULL);
5021 static const char *get_rmode(__le16 mode)
5023 switch(mode & RXMODE_MASK) {
5024 case RXMODE_RFMON: return "rfmon";
5025 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5026 case RXMODE_LANMON: return "lanmon";
5031 static int proc_config_open(struct inode *inode, struct file *file)
5033 struct proc_data *data;
5034 struct net_device *dev = pde_data(inode);
5035 struct airo_info *ai = dev->ml_priv;
5039 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5041 data = file->private_data;
5042 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) {
5043 kfree (file->private_data);
5046 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) {
5047 kfree (data->rbuffer);
5048 kfree (file->private_data);
5051 data->maxwritelen = 2048;
5052 data->on_close = proc_config_on_close;
5054 readConfigRid(ai, 1);
5056 mode = ai->config.opmode & MODE_CFG_MASK;
5057 i = sprintf(data->rbuffer,
5062 "DataRates: %d %d %d %d %d %d %d %d\n"
5065 mode == MODE_STA_IBSS ? "adhoc" :
5066 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5067 mode == MODE_AP ? "AP" :
5068 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5069 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5070 ai->config.nodeName,
5071 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5072 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5073 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5075 (int)ai->config.rates[0],
5076 (int)ai->config.rates[1],
5077 (int)ai->config.rates[2],
5078 (int)ai->config.rates[3],
5079 (int)ai->config.rates[4],
5080 (int)ai->config.rates[5],
5081 (int)ai->config.rates[6],
5082 (int)ai->config.rates[7],
5083 le16_to_cpu(ai->config.channelSet),
5084 le16_to_cpu(ai->config.txPower)
5086 sprintf(data->rbuffer + i,
5087 "LongRetryLimit: %d\n"
5088 "ShortRetryLimit: %d\n"
5089 "RTSThreshold: %d\n"
5090 "TXMSDULifetime: %d\n"
5091 "RXMSDULifetime: %d\n"
5094 "FragThreshold: %d\n"
5098 le16_to_cpu(ai->config.longRetryLimit),
5099 le16_to_cpu(ai->config.shortRetryLimit),
5100 le16_to_cpu(ai->config.rtsThres),
5101 le16_to_cpu(ai->config.txLifetime),
5102 le16_to_cpu(ai->config.rxLifetime),
5103 ai->config.txDiversity == 1 ? "left" :
5104 ai->config.txDiversity == 2 ? "right" : "both",
5105 ai->config.rxDiversity == 1 ? "left" :
5106 ai->config.rxDiversity == 2 ? "right" : "both",
5107 le16_to_cpu(ai->config.fragThresh),
5108 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5109 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5110 ai->config.modulation == MOD_DEFAULT ? "default" :
5111 ai->config.modulation == MOD_CCK ? "cck" :
5112 ai->config.modulation == MOD_MOK ? "mok" : "error",
5113 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5114 ai->config.preamble == PREAMBLE_LONG ? "long" :
5115 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5117 data->readlen = strlen(data->rbuffer);
5121 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5123 struct proc_data *data = file->private_data;
5124 struct net_device *dev = pde_data(inode);
5125 struct airo_info *ai = dev->ml_priv;
5128 char *p = data->wbuffer;
5129 char *end = p + data->writelen;
5131 if (!data->writelen)
5134 *end = '\n'; /* sentinel; we have space for it */
5136 memset(&SSID_rid, 0, sizeof(SSID_rid));
5138 for (i = 0; i < 3 && p < end; i++) {
5140 /* copy up to 32 characters from this line */
5141 while (*p != '\n' && j < 32)
5142 SSID_rid.ssids[i].ssid[j++] = *p++;
5145 SSID_rid.ssids[i].len = cpu_to_le16(j);
5146 /* skip to the beginning of the next line */
5147 while (*p++ != '\n')
5151 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5153 writeSsidRid(ai, &SSID_rid, 1);
5157 static void proc_APList_on_close(struct inode *inode, struct file *file)
5159 struct proc_data *data = file->private_data;
5160 struct net_device *dev = pde_data(inode);
5161 struct airo_info *ai = dev->ml_priv;
5162 APListRid *APList_rid = &ai->APList;
5165 if (!data->writelen) return;
5167 memset(APList_rid, 0, sizeof(*APList_rid));
5168 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5170 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5171 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5174 writeAPListRid(ai, APList_rid, 1);
5178 /* This function wraps PC4500_writerid with a MAC disable */
5179 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data,
5185 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5190 /* Returns the WEP key at the specified index, or -1 if that key does
5191 * not exist. The buffer is assumed to be at least 16 bytes in length.
5193 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5199 rc = readWepKeyRid(ai, &wkr, 1, 1);
5203 lastindex = wkr.kindex;
5204 if (le16_to_cpu(wkr.kindex) == index) {
5205 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5206 memcpy(buf, wkr.key, klen);
5209 rc = readWepKeyRid(ai, &wkr, 0, 1);
5212 } while (lastindex != wkr.kindex);
5216 static int get_wep_tx_idx(struct airo_info *ai)
5222 rc = readWepKeyRid(ai, &wkr, 1, 1);
5226 lastindex = wkr.kindex;
5227 if (wkr.kindex == cpu_to_le16(0xffff))
5229 rc = readWepKeyRid(ai, &wkr, 0, 1);
5232 } while (lastindex != wkr.kindex);
5236 static int set_wep_key(struct airo_info *ai, u16 index, const u8 *key,
5237 u16 keylen, int perm, int lock)
5239 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5243 if (WARN_ON(keylen == 0))
5246 memset(&wkr, 0, sizeof(wkr));
5247 wkr.len = cpu_to_le16(sizeof(wkr));
5248 wkr.kindex = cpu_to_le16(index);
5249 wkr.klen = cpu_to_le16(keylen);
5250 memcpy(wkr.key, key, keylen);
5251 memcpy(wkr.mac, macaddr, ETH_ALEN);
5253 if (perm) disable_MAC(ai, lock);
5254 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5255 if (perm) enable_MAC(ai, lock);
5259 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5264 memset(&wkr, 0, sizeof(wkr));
5265 wkr.len = cpu_to_le16(sizeof(wkr));
5266 wkr.kindex = cpu_to_le16(0xffff);
5267 wkr.mac[0] = (char)index;
5270 ai->defindex = (char)index;
5271 disable_MAC(ai, lock);
5274 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5277 enable_MAC(ai, lock);
5281 static void proc_wepkey_on_close(struct inode *inode, struct file *file)
5283 struct proc_data *data;
5284 struct net_device *dev = pde_data(inode);
5285 struct airo_info *ai = dev->ml_priv;
5291 memset(key, 0, sizeof(key));
5293 data = file->private_data;
5294 if (!data->writelen) return;
5296 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5297 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5298 index = data->wbuffer[0] - '0';
5299 if (data->wbuffer[1] == '\n') {
5300 rc = set_wep_tx_idx(ai, index, 1, 1);
5302 airo_print_err(ai->dev->name, "failed to set "
5303 "WEP transmit index to %d: %d.",
5310 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5314 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) {
5320 val = hex_to_bin(data->wbuffer[i+j]);
5322 airo_print_err(ai->dev->name, "WebKey passed invalid key hex");
5327 key[i/3] = (u8)val << 4;
5330 key[i/3] |= (u8)val;
5335 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5337 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5338 "%d: %d.", index, rc);
5342 static int proc_wepkey_open(struct inode *inode, struct file *file)
5344 struct proc_data *data;
5345 struct net_device *dev = pde_data(inode);
5346 struct airo_info *ai = dev->ml_priv;
5353 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5355 memset(&wkr, 0, sizeof(wkr));
5356 data = file->private_data;
5357 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) {
5358 kfree (file->private_data);
5362 data->maxwritelen = 80;
5363 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) {
5364 kfree (data->rbuffer);
5365 kfree (file->private_data);
5368 data->on_close = proc_wepkey_on_close;
5370 ptr = data->rbuffer;
5371 strcpy(ptr, "No wep keys\n");
5372 rc = readWepKeyRid(ai, &wkr, 1, 1);
5373 if (rc == SUCCESS) do {
5374 lastindex = wkr.kindex;
5375 if (wkr.kindex == cpu_to_le16(0xffff)) {
5376 j += sprintf(ptr+j, "Tx key = %d\n",
5379 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5380 le16_to_cpu(wkr.kindex),
5381 le16_to_cpu(wkr.klen));
5383 readWepKeyRid(ai, &wkr, 0, 1);
5384 } while ((lastindex != wkr.kindex) && (j < 180-30));
5386 data->readlen = strlen(data->rbuffer);
5390 static int proc_SSID_open(struct inode *inode, struct file *file)
5392 struct proc_data *data;
5393 struct net_device *dev = pde_data(inode);
5394 struct airo_info *ai = dev->ml_priv;
5399 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5401 data = file->private_data;
5402 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) {
5403 kfree (file->private_data);
5407 data->maxwritelen = 33*3;
5408 /* allocate maxwritelen + 1; we'll want a sentinel */
5409 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5410 kfree (data->rbuffer);
5411 kfree (file->private_data);
5414 data->on_close = proc_SSID_on_close;
5416 readSsidRid(ai, &SSID_rid);
5417 ptr = data->rbuffer;
5418 for (i = 0; i < 3; i++) {
5420 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5425 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5426 *ptr++ = SSID_rid.ssids[i].ssid[j];
5430 data->readlen = strlen(data->rbuffer);
5434 static int proc_APList_open(struct inode *inode, struct file *file)
5436 struct proc_data *data;
5437 struct net_device *dev = pde_data(inode);
5438 struct airo_info *ai = dev->ml_priv;
5441 APListRid *APList_rid = &ai->APList;
5443 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5445 data = file->private_data;
5446 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) {
5447 kfree (file->private_data);
5451 data->maxwritelen = 4*6*3;
5452 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) {
5453 kfree (data->rbuffer);
5454 kfree (file->private_data);
5457 data->on_close = proc_APList_on_close;
5459 ptr = data->rbuffer;
5460 for (i = 0; i < 4; i++) {
5461 // We end when we find a zero MAC
5462 if (!*(int*)APList_rid->ap[i] &&
5463 !*(int*)&APList_rid->ap[i][2]) break;
5464 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5466 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5469 data->readlen = strlen(data->rbuffer);
5473 static int proc_BSSList_open(struct inode *inode, struct file *file)
5475 struct proc_data *data;
5476 struct net_device *dev = pde_data(inode);
5477 struct airo_info *ai = dev->ml_priv;
5479 BSSListRid BSSList_rid;
5481 /* If doLoseSync is not 1, we won't do a Lose Sync */
5482 int doLoseSync = -1;
5484 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL)
5486 data = file->private_data;
5487 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) {
5488 kfree (file->private_data);
5492 data->maxwritelen = 0;
5493 data->wbuffer = NULL;
5494 data->on_close = NULL;
5496 if (file->f_mode & FMODE_WRITE) {
5497 if (!(file->f_mode & FMODE_READ)) {
5501 if (ai->flags & FLAG_RADIO_MASK) {
5502 kfree(data->rbuffer);
5503 kfree(file->private_data);
5506 memset(&cmd, 0, sizeof(cmd));
5507 cmd.cmd = CMD_LISTBSS;
5508 if (down_interruptible(&ai->sem)) {
5509 kfree(data->rbuffer);
5510 kfree(file->private_data);
5511 return -ERESTARTSYS;
5513 issuecommand(ai, &cmd, &rsp, true);
5520 ptr = data->rbuffer;
5521 /* There is a race condition here if there are concurrent opens.
5522 Since it is a rare condition, we'll just live with it, otherwise
5523 we have to add a spin lock... */
5524 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5525 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5526 ptr += sprintf(ptr, "%pM %.*s rssi = %d",
5528 (int)BSSList_rid.ssidLen,
5530 le16_to_cpu(BSSList_rid.dBm));
5531 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5532 le16_to_cpu(BSSList_rid.dsChannel),
5533 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5534 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5535 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5536 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5537 rc = readBSSListRid(ai, 0, &BSSList_rid);
5540 data->readlen = strlen(data->rbuffer);
5544 static int proc_close(struct inode *inode, struct file *file)
5546 struct proc_data *data = file->private_data;
5548 if (data->on_close != NULL)
5549 data->on_close(inode, file);
5550 kfree(data->rbuffer);
5551 kfree(data->wbuffer);
5556 /* Since the card doesn't automatically switch to the right WEP mode,
5557 we will make it do it. If the card isn't associated, every secs we
5558 will switch WEP modes to see if that will help. If the card is
5559 associated we will check every minute to see if anything has
5561 static void timer_func(struct net_device *dev)
5563 struct airo_info *apriv = dev->ml_priv;
5565 /* We don't have a link so try changing the authtype */
5566 readConfigRid(apriv, 0);
5567 disable_MAC(apriv, 0);
5568 switch(apriv->config.authType) {
5570 /* So drop to OPEN */
5571 apriv->config.authType = AUTH_OPEN;
5573 case AUTH_SHAREDKEY:
5574 if (apriv->keyindex < auto_wep) {
5575 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5576 apriv->config.authType = AUTH_SHAREDKEY;
5579 /* Drop to ENCRYPT */
5580 apriv->keyindex = 0;
5581 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5582 apriv->config.authType = AUTH_ENCRYPT;
5585 default: /* We'll escalate to SHAREDKEY */
5586 apriv->config.authType = AUTH_SHAREDKEY;
5588 set_bit (FLAG_COMMIT, &apriv->flags);
5589 writeConfigRid(apriv, 0);
5590 enable_MAC(apriv, 0);
5593 /* Schedule check to see if the change worked */
5594 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5595 apriv->expires = RUN_AT(HZ*3);
5599 static int airo_pci_probe(struct pci_dev *pdev,
5600 const struct pci_device_id *pent)
5602 struct net_device *dev;
5604 if (pci_enable_device(pdev))
5606 pci_set_master(pdev);
5608 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5609 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5611 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5613 pci_disable_device(pdev);
5617 pci_set_drvdata(pdev, dev);
5621 static void airo_pci_remove(struct pci_dev *pdev)
5623 struct net_device *dev = pci_get_drvdata(pdev);
5625 airo_print_info(dev->name, "Unregistering...");
5626 stop_airo_card(dev, 1);
5627 pci_disable_device(pdev);
5630 static int __maybe_unused airo_pci_suspend(struct device *dev_d)
5632 struct net_device *dev = dev_get_drvdata(dev_d);
5633 struct airo_info *ai = dev->ml_priv;
5638 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5641 readSsidRid(ai, ai->SSID);
5642 memset(&cmd, 0, sizeof(cmd));
5643 /* the lock will be released at the end of the resume callback */
5644 if (down_interruptible(&ai->sem))
5647 netif_device_detach(dev);
5648 ai->power = PMSG_SUSPEND;
5649 cmd.cmd = HOSTSLEEP;
5650 issuecommand(ai, &cmd, &rsp, true);
5652 device_wakeup_enable(dev_d);
5656 static int __maybe_unused airo_pci_resume(struct device *dev_d)
5658 struct net_device *dev = dev_get_drvdata(dev_d);
5659 struct airo_info *ai = dev->ml_priv;
5660 pci_power_t prev_state = to_pci_dev(dev_d)->current_state;
5662 device_wakeup_disable(dev_d);
5664 if (prev_state != PCI_D1) {
5666 mpi_init_descriptors(ai);
5667 setup_card(ai, dev, 0);
5668 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5669 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5671 OUT4500(ai, EVACK, EV_AWAKEN);
5672 OUT4500(ai, EVACK, EV_AWAKEN);
5676 set_bit(FLAG_COMMIT, &ai->flags);
5680 writeSsidRid(ai, ai->SSID, 0);
5684 writeAPListRid(ai, &ai->APList, 0);
5685 writeConfigRid(ai, 0);
5687 ai->power = PMSG_ON;
5688 netif_device_attach(dev);
5689 netif_wake_queue(dev);
5690 enable_interrupts(ai);
5696 static int __init airo_init_module(void)
5700 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5701 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5702 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5705 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5708 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5710 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5711 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5712 "io = 0x%x", irq[i], io[i]);
5713 if (init_airo_card(irq[i], io[i], 0, NULL)) {
5719 airo_print_info("", "Probing for PCI adapters");
5720 i = pci_register_driver(&airo_driver);
5721 airo_print_info("", "Finished probing for PCI adapters");
5724 remove_proc_entry("driver/aironet", NULL);
5729 /* Always exit with success, as we are a library module
5730 * as well as a driver module
5735 static void __exit airo_cleanup_module(void)
5737 struct airo_info *ai;
5738 while (!list_empty(&airo_devices)) {
5739 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5740 airo_print_info(ai->dev->name, "Unregistering...");
5741 stop_airo_card(ai->dev, 1);
5744 pci_unregister_driver(&airo_driver);
5746 remove_proc_entry("driver/aironet", NULL);
5750 * Initial Wireless Extension code for Aironet driver by :
5751 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5752 * Conversion to new driver API by :
5753 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5754 * Javier also did a good amount of work here, adding some new extensions
5755 * and fixing my code. Let's just say that without him this code just
5756 * would not work at all... - Jean II
5759 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5764 return (0x100 - rssi_rid[rssi].rssidBm);
5767 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5774 for (i = 0; i < 256; i++)
5775 if (rssi_rid[i].rssidBm == dbm)
5776 return rssi_rid[i].rssipct;
5782 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5787 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5790 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5793 sq = le16_to_cpu(status_rid->signalQuality);
5794 if (memcmp(cap_rid->prodName, "350", 3))
5798 quality = 0x20 - sq;
5805 quality = 0xb0 - sq;
5809 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5810 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50)
5812 /*------------------------------------------------------------------*/
5814 * Wireless Handler : get protocol name
5816 static int airo_get_name(struct net_device *dev,
5817 struct iw_request_info *info,
5818 union iwreq_data *cwrq,
5821 strcpy(cwrq->name, "IEEE 802.11-DS");
5825 /*------------------------------------------------------------------*/
5827 * Wireless Handler : set frequency
5829 static int airo_set_freq(struct net_device *dev,
5830 struct iw_request_info *info,
5831 union iwreq_data *wrqu,
5834 struct iw_freq *fwrq = &wrqu->freq;
5835 struct airo_info *local = dev->ml_priv;
5836 int rc = -EINPROGRESS; /* Call commit handler */
5838 /* If setting by frequency, convert to a channel */
5840 int f = fwrq->m / 100000;
5842 /* Hack to fall through... */
5844 fwrq->m = ieee80211_frequency_to_channel(f);
5846 /* Setting by channel number */
5847 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5850 int channel = fwrq->m;
5851 /* We should do a better check than that,
5852 * based on the card capability !!! */
5853 if ((channel < 1) || (channel > 14)) {
5854 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5858 readConfigRid(local, 1);
5859 /* Yes ! We can set it !!! */
5860 local->config.channelSet = cpu_to_le16(channel);
5861 set_bit (FLAG_COMMIT, &local->flags);
5867 /*------------------------------------------------------------------*/
5869 * Wireless Handler : get frequency
5871 static int airo_get_freq(struct net_device *dev,
5872 struct iw_request_info *info,
5873 union iwreq_data *wrqu,
5876 struct iw_freq *fwrq = &wrqu->freq;
5877 struct airo_info *local = dev->ml_priv;
5878 StatusRid status_rid; /* Card status info */
5881 readConfigRid(local, 1);
5882 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5883 status_rid.channel = local->config.channelSet;
5885 readStatusRid(local, &status_rid, 1);
5887 ch = le16_to_cpu(status_rid.channel);
5888 if ((ch > 0) && (ch < 15)) {
5890 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5900 /*------------------------------------------------------------------*/
5902 * Wireless Handler : set ESSID
5904 static int airo_set_essid(struct net_device *dev,
5905 struct iw_request_info *info,
5906 union iwreq_data *wrqu,
5909 struct iw_point *dwrq = &wrqu->essid;
5910 struct airo_info *local = dev->ml_priv;
5911 SsidRid SSID_rid; /* SSIDs */
5913 /* Reload the list of current SSID */
5914 readSsidRid(local, &SSID_rid);
5916 /* Check if we asked for `any' */
5917 if (dwrq->flags == 0) {
5918 /* Just send an empty SSID list */
5919 memset(&SSID_rid, 0, sizeof(SSID_rid));
5921 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5923 /* Check the size of the string */
5924 if (dwrq->length > IW_ESSID_MAX_SIZE)
5927 /* Check if index is valid */
5928 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5932 memset(SSID_rid.ssids[index].ssid, 0,
5933 sizeof(SSID_rid.ssids[index].ssid));
5934 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5935 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5937 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5938 /* Write it to the card */
5939 disable_MAC(local, 1);
5940 writeSsidRid(local, &SSID_rid, 1);
5941 enable_MAC(local, 1);
5946 /*------------------------------------------------------------------*/
5948 * Wireless Handler : get ESSID
5950 static int airo_get_essid(struct net_device *dev,
5951 struct iw_request_info *info,
5952 union iwreq_data *wrqu,
5955 struct iw_point *dwrq = &wrqu->essid;
5956 struct airo_info *local = dev->ml_priv;
5957 StatusRid status_rid; /* Card status info */
5959 readStatusRid(local, &status_rid, 1);
5961 /* Note : if dwrq->flags != 0, we should
5962 * get the relevant SSID from the SSID list... */
5964 /* Get the current SSID */
5965 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5966 /* If none, we may want to get the one that was set */
5969 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5970 dwrq->flags = 1; /* active */
5975 /*------------------------------------------------------------------*/
5977 * Wireless Handler : set AP address
5979 static int airo_set_wap(struct net_device *dev,
5980 struct iw_request_info *info,
5981 union iwreq_data *wrqu,
5984 struct sockaddr *awrq = &wrqu->ap_addr;
5985 struct airo_info *local = dev->ml_priv;
5988 APListRid *APList_rid = &local->APList;
5990 if (awrq->sa_family != ARPHRD_ETHER)
5992 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5993 is_zero_ether_addr(awrq->sa_data)) {
5994 memset(&cmd, 0, sizeof(cmd));
5995 cmd.cmd = CMD_LOSE_SYNC;
5996 if (down_interruptible(&local->sem))
5997 return -ERESTARTSYS;
5998 issuecommand(local, &cmd, &rsp, true);
6001 memset(APList_rid, 0, sizeof(*APList_rid));
6002 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
6003 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
6004 disable_MAC(local, 1);
6005 writeAPListRid(local, APList_rid, 1);
6006 enable_MAC(local, 1);
6011 /*------------------------------------------------------------------*/
6013 * Wireless Handler : get AP address
6015 static int airo_get_wap(struct net_device *dev,
6016 struct iw_request_info *info,
6017 union iwreq_data *wrqu,
6020 struct sockaddr *awrq = &wrqu->ap_addr;
6021 struct airo_info *local = dev->ml_priv;
6022 StatusRid status_rid; /* Card status info */
6024 readStatusRid(local, &status_rid, 1);
6026 /* Tentative. This seems to work, wow, I'm lucky !!! */
6027 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6028 awrq->sa_family = ARPHRD_ETHER;
6033 /*------------------------------------------------------------------*/
6035 * Wireless Handler : set Nickname
6037 static int airo_set_nick(struct net_device *dev,
6038 struct iw_request_info *info,
6039 union iwreq_data *wrqu,
6042 struct iw_point *dwrq = &wrqu->data;
6043 struct airo_info *local = dev->ml_priv;
6045 /* Check the size of the string */
6046 if (dwrq->length > 16) {
6049 readConfigRid(local, 1);
6050 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6051 memcpy(local->config.nodeName, extra, dwrq->length);
6052 set_bit (FLAG_COMMIT, &local->flags);
6054 return -EINPROGRESS; /* Call commit handler */
6057 /*------------------------------------------------------------------*/
6059 * Wireless Handler : get Nickname
6061 static int airo_get_nick(struct net_device *dev,
6062 struct iw_request_info *info,
6063 union iwreq_data *wrqu,
6066 struct iw_point *dwrq = &wrqu->data;
6067 struct airo_info *local = dev->ml_priv;
6069 readConfigRid(local, 1);
6070 strncpy(extra, local->config.nodeName, 16);
6072 dwrq->length = strlen(extra);
6077 /*------------------------------------------------------------------*/
6079 * Wireless Handler : set Bit-Rate
6081 static int airo_set_rate(struct net_device *dev,
6082 struct iw_request_info *info,
6083 union iwreq_data *wrqu,
6086 struct iw_param *vwrq = &wrqu->bitrate;
6087 struct airo_info *local = dev->ml_priv;
6088 CapabilityRid cap_rid; /* Card capability info */
6092 /* First : get a valid bit rate value */
6093 readCapabilityRid(local, &cap_rid, 1);
6095 /* Which type of value ? */
6096 if ((vwrq->value < 8) && (vwrq->value >= 0)) {
6097 /* Setting by rate index */
6098 /* Find value in the magic rate table */
6099 brate = cap_rid.supportedRates[vwrq->value];
6101 /* Setting by frequency value */
6102 u8 normvalue = (u8) (vwrq->value/500000);
6104 /* Check if rate is valid */
6105 for (i = 0 ; i < 8 ; i++) {
6106 if (normvalue == cap_rid.supportedRates[i]) {
6112 /* -1 designed the max rate (mostly auto mode) */
6113 if (vwrq->value == -1) {
6114 /* Get the highest available rate */
6115 for (i = 0 ; i < 8 ; i++) {
6116 if (cap_rid.supportedRates[i] == 0)
6120 brate = cap_rid.supportedRates[i - 1];
6122 /* Check that it is valid */
6127 readConfigRid(local, 1);
6128 /* Now, check if we want a fixed or auto value */
6129 if (vwrq->fixed == 0) {
6130 /* Fill all the rates up to this max rate */
6131 memset(local->config.rates, 0, 8);
6132 for (i = 0 ; i < 8 ; i++) {
6133 local->config.rates[i] = cap_rid.supportedRates[i];
6134 if (local->config.rates[i] == brate)
6139 /* One rate, fixed */
6140 memset(local->config.rates, 0, 8);
6141 local->config.rates[0] = brate;
6143 set_bit (FLAG_COMMIT, &local->flags);
6145 return -EINPROGRESS; /* Call commit handler */
6148 /*------------------------------------------------------------------*/
6150 * Wireless Handler : get Bit-Rate
6152 static int airo_get_rate(struct net_device *dev,
6153 struct iw_request_info *info,
6154 union iwreq_data *wrqu,
6157 struct iw_param *vwrq = &wrqu->bitrate;
6158 struct airo_info *local = dev->ml_priv;
6159 StatusRid status_rid; /* Card status info */
6161 readStatusRid(local, &status_rid, 1);
6163 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6164 /* If more than one rate, set auto */
6165 readConfigRid(local, 1);
6166 vwrq->fixed = (local->config.rates[1] == 0);
6171 /*------------------------------------------------------------------*/
6173 * Wireless Handler : set RTS threshold
6175 static int airo_set_rts(struct net_device *dev,
6176 struct iw_request_info *info,
6177 union iwreq_data *wrqu,
6180 struct iw_param *vwrq = &wrqu->rts;
6181 struct airo_info *local = dev->ml_priv;
6182 int rthr = vwrq->value;
6185 rthr = AIRO_DEF_MTU;
6186 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6189 readConfigRid(local, 1);
6190 local->config.rtsThres = cpu_to_le16(rthr);
6191 set_bit (FLAG_COMMIT, &local->flags);
6193 return -EINPROGRESS; /* Call commit handler */
6196 /*------------------------------------------------------------------*/
6198 * Wireless Handler : get RTS threshold
6200 static int airo_get_rts(struct net_device *dev,
6201 struct iw_request_info *info,
6202 union iwreq_data *wrqu,
6205 struct iw_param *vwrq = &wrqu->rts;
6206 struct airo_info *local = dev->ml_priv;
6208 readConfigRid(local, 1);
6209 vwrq->value = le16_to_cpu(local->config.rtsThres);
6210 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6216 /*------------------------------------------------------------------*/
6218 * Wireless Handler : set Fragmentation threshold
6220 static int airo_set_frag(struct net_device *dev,
6221 struct iw_request_info *info,
6222 union iwreq_data *wrqu, char *extra)
6224 struct iw_param *vwrq = &wrqu->frag;
6225 struct airo_info *local = dev->ml_priv;
6226 int fthr = vwrq->value;
6229 fthr = AIRO_DEF_MTU;
6230 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6233 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6234 readConfigRid(local, 1);
6235 local->config.fragThresh = cpu_to_le16(fthr);
6236 set_bit (FLAG_COMMIT, &local->flags);
6238 return -EINPROGRESS; /* Call commit handler */
6241 /*------------------------------------------------------------------*/
6243 * Wireless Handler : get Fragmentation threshold
6245 static int airo_get_frag(struct net_device *dev,
6246 struct iw_request_info *info,
6247 union iwreq_data *wrqu,
6250 struct iw_param *vwrq = &wrqu->frag;
6251 struct airo_info *local = dev->ml_priv;
6253 readConfigRid(local, 1);
6254 vwrq->value = le16_to_cpu(local->config.fragThresh);
6255 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6261 /*------------------------------------------------------------------*/
6263 * Wireless Handler : set Mode of Operation
6265 static int airo_set_mode(struct net_device *dev,
6266 struct iw_request_info *info,
6267 union iwreq_data *uwrq,
6270 __u32 mode = uwrq->mode;
6271 struct airo_info *local = dev->ml_priv;
6274 readConfigRid(local, 1);
6275 if (sniffing_mode(local))
6280 local->config.opmode &= ~MODE_CFG_MASK;
6281 local->config.opmode |= MODE_STA_IBSS;
6282 local->config.rmode &= ~RXMODE_FULL_MASK;
6283 local->config.scanMode = SCANMODE_ACTIVE;
6284 clear_bit (FLAG_802_11, &local->flags);
6287 local->config.opmode &= ~MODE_CFG_MASK;
6288 local->config.opmode |= MODE_STA_ESS;
6289 local->config.rmode &= ~RXMODE_FULL_MASK;
6290 local->config.scanMode = SCANMODE_ACTIVE;
6291 clear_bit (FLAG_802_11, &local->flags);
6293 case IW_MODE_MASTER:
6294 local->config.opmode &= ~MODE_CFG_MASK;
6295 local->config.opmode |= MODE_AP;
6296 local->config.rmode &= ~RXMODE_FULL_MASK;
6297 local->config.scanMode = SCANMODE_ACTIVE;
6298 clear_bit (FLAG_802_11, &local->flags);
6300 case IW_MODE_REPEAT:
6301 local->config.opmode &= ~MODE_CFG_MASK;
6302 local->config.opmode |= MODE_AP_RPTR;
6303 local->config.rmode &= ~RXMODE_FULL_MASK;
6304 local->config.scanMode = SCANMODE_ACTIVE;
6305 clear_bit (FLAG_802_11, &local->flags);
6307 case IW_MODE_MONITOR:
6308 local->config.opmode &= ~MODE_CFG_MASK;
6309 local->config.opmode |= MODE_STA_ESS;
6310 local->config.rmode &= ~RXMODE_FULL_MASK;
6311 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6312 local->config.scanMode = SCANMODE_PASSIVE;
6313 set_bit (FLAG_802_11, &local->flags);
6319 set_bit (FLAG_RESET, &local->flags);
6320 set_bit (FLAG_COMMIT, &local->flags);
6322 return -EINPROGRESS; /* Call commit handler */
6325 /*------------------------------------------------------------------*/
6327 * Wireless Handler : get Mode of Operation
6329 static int airo_get_mode(struct net_device *dev,
6330 struct iw_request_info *info,
6331 union iwreq_data *uwrq,
6334 struct airo_info *local = dev->ml_priv;
6336 readConfigRid(local, 1);
6337 /* If not managed, assume it's ad-hoc */
6338 switch (local->config.opmode & MODE_CFG_MASK) {
6340 uwrq->mode = IW_MODE_INFRA;
6343 uwrq->mode = IW_MODE_MASTER;
6346 uwrq->mode = IW_MODE_REPEAT;
6349 uwrq->mode = IW_MODE_ADHOC;
6355 static inline int valid_index(struct airo_info *ai, int index)
6357 return (index >= 0) && (index <= ai->max_wep_idx);
6360 /*------------------------------------------------------------------*/
6362 * Wireless Handler : set Encryption Key
6364 static int airo_set_encode(struct net_device *dev,
6365 struct iw_request_info *info,
6366 union iwreq_data *wrqu,
6369 struct iw_point *dwrq = &wrqu->encoding;
6370 struct airo_info *local = dev->ml_priv;
6371 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6372 __le16 currentAuthType = local->config.authType;
6375 if (!local->wep_capable)
6378 readConfigRid(local, 1);
6380 /* Basic checking: do we have a key to set ?
6381 * Note : with the new API, it's impossible to get a NULL pointer.
6382 * Therefore, we need to check a key size == 0 instead.
6383 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6384 * when no key is present (only change flags), but older versions
6385 * don't do it. - Jean II */
6386 if (dwrq->length > 0) {
6388 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6391 /* Check the size of the key */
6392 if (dwrq->length > MAX_KEY_SIZE) {
6396 current_index = get_wep_tx_idx(local);
6397 if (current_index < 0)
6400 /* Check the index (none -> use current) */
6401 if (!valid_index(local, index))
6402 index = current_index;
6404 /* Set the length */
6405 if (dwrq->length > MIN_KEY_SIZE)
6406 key.len = MAX_KEY_SIZE;
6408 key.len = MIN_KEY_SIZE;
6409 /* Check if the key is not marked as invalid */
6410 if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
6412 memset(key.key, 0, MAX_KEY_SIZE);
6413 /* Copy the key in the driver */
6414 memcpy(key.key, extra, dwrq->length);
6415 /* Send the key to the card */
6416 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6418 airo_print_err(local->dev->name, "failed to set"
6419 " WEP key at index %d: %d.",
6424 /* WE specify that if a valid key is set, encryption
6425 * should be enabled (user may turn it off later)
6426 * This is also how "iwconfig ethX key on" works */
6427 if ((index == current_index) && (key.len > 0) &&
6428 (local->config.authType == AUTH_OPEN))
6429 set_auth_type(local, AUTH_ENCRYPT);
6431 /* Do we want to just set the transmit key index ? */
6432 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6433 if (valid_index(local, index)) {
6434 rc = set_wep_tx_idx(local, index, perm, 1);
6436 airo_print_err(local->dev->name, "failed to set"
6437 " WEP transmit index to %d: %d.",
6442 /* Don't complain if only change the mode */
6443 if (!(dwrq->flags & IW_ENCODE_MODE))
6447 /* Read the flags */
6448 if (dwrq->flags & IW_ENCODE_DISABLED)
6449 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6450 if (dwrq->flags & IW_ENCODE_RESTRICTED)
6451 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6452 if (dwrq->flags & IW_ENCODE_OPEN)
6453 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6454 /* Commit the changes to flags if needed */
6455 if (local->config.authType != currentAuthType)
6456 set_bit (FLAG_COMMIT, &local->flags);
6457 return -EINPROGRESS; /* Call commit handler */
6460 /*------------------------------------------------------------------*/
6462 * Wireless Handler : get Encryption Key
6464 static int airo_get_encode(struct net_device *dev,
6465 struct iw_request_info *info,
6466 union iwreq_data *wrqu,
6469 struct iw_point *dwrq = &wrqu->encoding;
6470 struct airo_info *local = dev->ml_priv;
6471 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6475 if (!local->wep_capable)
6478 readConfigRid(local, 1);
6480 /* Check encryption mode */
6481 switch(local->config.authType) {
6483 dwrq->flags = IW_ENCODE_OPEN;
6485 case AUTH_SHAREDKEY:
6486 dwrq->flags = IW_ENCODE_RESTRICTED;
6490 dwrq->flags = IW_ENCODE_DISABLED;
6493 /* We can't return the key, so set the proper flag and return zero */
6494 dwrq->flags |= IW_ENCODE_NOKEY;
6495 memset(extra, 0, 16);
6497 /* Which key do we want ? -1 -> tx index */
6498 if (!valid_index(local, index)) {
6499 index = get_wep_tx_idx(local);
6503 dwrq->flags |= index + 1;
6505 /* Copy the key to the user buffer */
6506 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6507 if (wep_key_len < 0) {
6510 dwrq->length = wep_key_len;
6511 memcpy(extra, buf, dwrq->length);
6517 /*------------------------------------------------------------------*/
6519 * Wireless Handler : set extended Encryption parameters
6521 static int airo_set_encodeext(struct net_device *dev,
6522 struct iw_request_info *info,
6523 union iwreq_data *wrqu,
6526 struct airo_info *local = dev->ml_priv;
6527 struct iw_point *encoding = &wrqu->encoding;
6528 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6529 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1);
6530 __le16 currentAuthType = local->config.authType;
6531 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6534 if (!local->wep_capable)
6537 readConfigRid(local, 1);
6539 /* Determine and validate the key index */
6540 idx = encoding->flags & IW_ENCODE_INDEX;
6542 if (!valid_index(local, idx - 1))
6546 idx = get_wep_tx_idx(local);
6551 if (encoding->flags & IW_ENCODE_DISABLED)
6552 alg = IW_ENCODE_ALG_NONE;
6554 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6555 /* Only set transmit key index here, actual
6556 * key is set below if needed.
6558 rc = set_wep_tx_idx(local, idx, perm, 1);
6560 airo_print_err(local->dev->name, "failed to set "
6561 "WEP transmit index to %d: %d.",
6565 set_key = ext->key_len > 0 ? 1 : 0;
6569 /* Set the requested key first */
6570 memset(key.key, 0, MAX_KEY_SIZE);
6572 case IW_ENCODE_ALG_NONE:
6575 case IW_ENCODE_ALG_WEP:
6576 if (ext->key_len > MIN_KEY_SIZE) {
6577 key.len = MAX_KEY_SIZE;
6578 } else if (ext->key_len > 0) {
6579 key.len = MIN_KEY_SIZE;
6583 key_len = min (ext->key_len, key.len);
6584 memcpy(key.key, ext->key, key_len);
6590 rc = set_wep_tx_idx(local, idx, perm, 1);
6592 airo_print_err(local->dev->name,
6593 "failed to set WEP transmit index to %d: %d.",
6598 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6600 airo_print_err(local->dev->name,
6601 "failed to set WEP key at index %d: %d.",
6608 /* Read the flags */
6609 if (encoding->flags & IW_ENCODE_DISABLED)
6610 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6611 if (encoding->flags & IW_ENCODE_RESTRICTED)
6612 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6613 if (encoding->flags & IW_ENCODE_OPEN)
6614 set_auth_type(local, AUTH_ENCRYPT);
6615 /* Commit the changes to flags if needed */
6616 if (local->config.authType != currentAuthType)
6617 set_bit (FLAG_COMMIT, &local->flags);
6619 return -EINPROGRESS;
6623 /*------------------------------------------------------------------*/
6625 * Wireless Handler : get extended Encryption parameters
6627 static int airo_get_encodeext(struct net_device *dev,
6628 struct iw_request_info *info,
6629 union iwreq_data *wrqu,
6632 struct airo_info *local = dev->ml_priv;
6633 struct iw_point *encoding = &wrqu->encoding;
6634 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6635 int idx, max_key_len, wep_key_len;
6638 if (!local->wep_capable)
6641 readConfigRid(local, 1);
6643 max_key_len = encoding->length - sizeof(*ext);
6644 if (max_key_len < 0)
6647 idx = encoding->flags & IW_ENCODE_INDEX;
6649 if (!valid_index(local, idx - 1))
6653 idx = get_wep_tx_idx(local);
6658 encoding->flags = idx + 1;
6659 memset(ext, 0, sizeof(*ext));
6661 /* Check encryption mode */
6662 switch(local->config.authType) {
6664 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6666 case AUTH_SHAREDKEY:
6667 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6671 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6674 /* We can't return the key, so set the proper flag and return zero */
6675 encoding->flags |= IW_ENCODE_NOKEY;
6676 memset(extra, 0, 16);
6678 /* Copy the key to the user buffer */
6679 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6680 if (wep_key_len < 0) {
6683 ext->key_len = wep_key_len;
6684 memcpy(extra, buf, ext->key_len);
6691 /*------------------------------------------------------------------*/
6693 * Wireless Handler : set extended authentication parameters
6695 static int airo_set_auth(struct net_device *dev,
6696 struct iw_request_info *info,
6697 union iwreq_data *wrqu, char *extra)
6699 struct airo_info *local = dev->ml_priv;
6700 struct iw_param *param = &wrqu->param;
6701 __le16 currentAuthType = local->config.authType;
6703 switch (param->flags & IW_AUTH_INDEX) {
6704 case IW_AUTH_WPA_VERSION:
6705 case IW_AUTH_CIPHER_PAIRWISE:
6706 case IW_AUTH_CIPHER_GROUP:
6707 case IW_AUTH_KEY_MGMT:
6708 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6709 case IW_AUTH_PRIVACY_INVOKED:
6711 * airo does not use these parameters
6715 case IW_AUTH_DROP_UNENCRYPTED:
6717 /* Only change auth type if unencrypted */
6718 if (currentAuthType == AUTH_OPEN)
6719 set_auth_type(local, AUTH_ENCRYPT);
6721 set_auth_type(local, AUTH_OPEN);
6724 /* Commit the changes to flags if needed */
6725 if (local->config.authType != currentAuthType)
6726 set_bit (FLAG_COMMIT, &local->flags);
6729 case IW_AUTH_80211_AUTH_ALG: {
6730 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6731 set_auth_type(local, AUTH_SHAREDKEY);
6732 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6733 /* We don't know here if WEP open system or
6734 * unencrypted mode was requested - so use the
6735 * last mode (of these two) used last time
6737 set_auth_type(local, local->last_auth);
6741 /* Commit the changes to flags if needed */
6742 if (local->config.authType != currentAuthType)
6743 set_bit (FLAG_COMMIT, &local->flags);
6747 case IW_AUTH_WPA_ENABLED:
6748 /* Silently accept disable of WPA */
6749 if (param->value > 0)
6756 return -EINPROGRESS;
6760 /*------------------------------------------------------------------*/
6762 * Wireless Handler : get extended authentication parameters
6764 static int airo_get_auth(struct net_device *dev,
6765 struct iw_request_info *info,
6766 union iwreq_data *wrqu, char *extra)
6768 struct airo_info *local = dev->ml_priv;
6769 struct iw_param *param = &wrqu->param;
6770 __le16 currentAuthType = local->config.authType;
6772 switch (param->flags & IW_AUTH_INDEX) {
6773 case IW_AUTH_DROP_UNENCRYPTED:
6774 switch (currentAuthType) {
6775 case AUTH_SHAREDKEY:
6785 case IW_AUTH_80211_AUTH_ALG:
6786 switch (currentAuthType) {
6787 case AUTH_SHAREDKEY:
6788 param->value = IW_AUTH_ALG_SHARED_KEY;
6792 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6797 case IW_AUTH_WPA_ENABLED:
6808 /*------------------------------------------------------------------*/
6810 * Wireless Handler : set Tx-Power
6812 static int airo_set_txpow(struct net_device *dev,
6813 struct iw_request_info *info,
6814 union iwreq_data *wrqu,
6817 struct iw_param *vwrq = &wrqu->txpower;
6818 struct airo_info *local = dev->ml_priv;
6819 CapabilityRid cap_rid; /* Card capability info */
6822 __le16 v = cpu_to_le16(vwrq->value);
6824 readCapabilityRid(local, &cap_rid, 1);
6826 if (vwrq->disabled) {
6827 set_bit (FLAG_RADIO_OFF, &local->flags);
6828 set_bit (FLAG_COMMIT, &local->flags);
6829 return -EINPROGRESS; /* Call commit handler */
6831 if (vwrq->flags != IW_TXPOW_MWATT) {
6834 clear_bit (FLAG_RADIO_OFF, &local->flags);
6835 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6836 if (v == cap_rid.txPowerLevels[i]) {
6837 readConfigRid(local, 1);
6838 local->config.txPower = v;
6839 set_bit (FLAG_COMMIT, &local->flags);
6840 rc = -EINPROGRESS; /* Call commit handler */
6846 /*------------------------------------------------------------------*/
6848 * Wireless Handler : get Tx-Power
6850 static int airo_get_txpow(struct net_device *dev,
6851 struct iw_request_info *info,
6852 union iwreq_data *wrqu,
6855 struct iw_param *vwrq = &wrqu->txpower;
6856 struct airo_info *local = dev->ml_priv;
6858 readConfigRid(local, 1);
6859 vwrq->value = le16_to_cpu(local->config.txPower);
6860 vwrq->fixed = 1; /* No power control */
6861 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6862 vwrq->flags = IW_TXPOW_MWATT;
6867 /*------------------------------------------------------------------*/
6869 * Wireless Handler : set Retry limits
6871 static int airo_set_retry(struct net_device *dev,
6872 struct iw_request_info *info,
6873 union iwreq_data *wrqu,
6876 struct iw_param *vwrq = &wrqu->retry;
6877 struct airo_info *local = dev->ml_priv;
6880 if (vwrq->disabled) {
6883 readConfigRid(local, 1);
6884 if (vwrq->flags & IW_RETRY_LIMIT) {
6885 __le16 v = cpu_to_le16(vwrq->value);
6886 if (vwrq->flags & IW_RETRY_LONG)
6887 local->config.longRetryLimit = v;
6888 else if (vwrq->flags & IW_RETRY_SHORT)
6889 local->config.shortRetryLimit = v;
6891 /* No modifier : set both */
6892 local->config.longRetryLimit = v;
6893 local->config.shortRetryLimit = v;
6895 set_bit (FLAG_COMMIT, &local->flags);
6896 rc = -EINPROGRESS; /* Call commit handler */
6898 if (vwrq->flags & IW_RETRY_LIFETIME) {
6899 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6900 set_bit (FLAG_COMMIT, &local->flags);
6901 rc = -EINPROGRESS; /* Call commit handler */
6906 /*------------------------------------------------------------------*/
6908 * Wireless Handler : get Retry limits
6910 static int airo_get_retry(struct net_device *dev,
6911 struct iw_request_info *info,
6912 union iwreq_data *wrqu,
6915 struct iw_param *vwrq = &wrqu->retry;
6916 struct airo_info *local = dev->ml_priv;
6918 vwrq->disabled = 0; /* Can't be disabled */
6920 readConfigRid(local, 1);
6921 /* Note : by default, display the min retry number */
6922 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6923 vwrq->flags = IW_RETRY_LIFETIME;
6924 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6925 } else if ((vwrq->flags & IW_RETRY_LONG)) {
6926 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6927 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6929 vwrq->flags = IW_RETRY_LIMIT;
6930 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6931 if (local->config.shortRetryLimit != local->config.longRetryLimit)
6932 vwrq->flags |= IW_RETRY_SHORT;
6938 /*------------------------------------------------------------------*/
6940 * Wireless Handler : get range info
6942 static int airo_get_range(struct net_device *dev,
6943 struct iw_request_info *info,
6944 union iwreq_data *wrqu,
6947 struct iw_point *dwrq = &wrqu->data;
6948 struct airo_info *local = dev->ml_priv;
6949 struct iw_range *range = (struct iw_range *) extra;
6950 CapabilityRid cap_rid; /* Card capability info */
6954 readCapabilityRid(local, &cap_rid, 1);
6956 dwrq->length = sizeof(struct iw_range);
6957 memset(range, 0, sizeof(*range));
6958 range->min_nwid = 0x0000;
6959 range->max_nwid = 0x0000;
6960 range->num_channels = 14;
6961 /* Should be based on cap_rid.country to give only
6962 * what the current card support */
6964 for (i = 0; i < 14; i++) {
6965 range->freq[k].i = i + 1; /* List index */
6966 range->freq[k].m = 100000 *
6967 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6968 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6970 range->num_frequency = k;
6972 range->sensitivity = 65535;
6974 /* Hum... Should put the right values there */
6976 range->max_qual.qual = 100; /* % */
6978 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6979 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6980 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6982 /* Experimental measurements - boundary 11/5.5 Mb/s */
6983 /* Note : with or without the (local->rssi), results
6984 * are somewhat different. - Jean II */
6986 range->avg_qual.qual = 50; /* % */
6987 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6989 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6990 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6992 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6994 for (i = 0 ; i < 8 ; i++) {
6995 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6996 if (range->bitrate[i] == 0)
6999 range->num_bitrates = i;
7001 /* Set an indication of the max TCP throughput
7002 * in bit/s that we can expect using this interface.
7003 * May be use for QoS stuff... Jean II */
7005 range->throughput = 5000 * 1000;
7007 range->throughput = 1500 * 1000;
7010 range->max_rts = AIRO_DEF_MTU;
7011 range->min_frag = 256;
7012 range->max_frag = AIRO_DEF_MTU;
7014 if (cap_rid.softCap & cpu_to_le16(2)) {
7016 range->encoding_size[0] = 5;
7018 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7019 range->encoding_size[1] = 13;
7020 range->num_encoding_sizes = 2;
7022 range->num_encoding_sizes = 1;
7023 range->max_encoding_tokens =
7024 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7026 range->num_encoding_sizes = 0;
7027 range->max_encoding_tokens = 0;
7030 range->max_pmp = 5000000; /* 5 secs */
7032 range->max_pmt = 65535 * 1024; /* ??? */
7033 range->pmp_flags = IW_POWER_PERIOD;
7034 range->pmt_flags = IW_POWER_TIMEOUT;
7035 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7037 /* Transmit Power - values are in mW */
7038 for (i = 0 ; i < 8 ; i++) {
7039 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7040 if (range->txpower[i] == 0)
7043 range->num_txpower = i;
7044 range->txpower_capa = IW_TXPOW_MWATT;
7045 range->we_version_source = 19;
7046 range->we_version_compiled = WIRELESS_EXT;
7047 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7048 range->retry_flags = IW_RETRY_LIMIT;
7049 range->r_time_flags = IW_RETRY_LIFETIME;
7050 range->min_retry = 1;
7051 range->max_retry = 65535;
7052 range->min_r_time = 1024;
7053 range->max_r_time = 65535 * 1024;
7055 /* Event capability (kernel + driver) */
7056 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7057 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7058 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7059 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7060 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7061 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7065 /*------------------------------------------------------------------*/
7067 * Wireless Handler : set Power Management
7069 static int airo_set_power(struct net_device *dev,
7070 struct iw_request_info *info,
7071 union iwreq_data *wrqu, char *extra)
7073 struct iw_param *vwrq = &wrqu->power;
7074 struct airo_info *local = dev->ml_priv;
7076 readConfigRid(local, 1);
7077 if (vwrq->disabled) {
7078 if (sniffing_mode(local))
7080 local->config.powerSaveMode = POWERSAVE_CAM;
7081 local->config.rmode &= ~RXMODE_MASK;
7082 local->config.rmode |= RXMODE_BC_MC_ADDR;
7083 set_bit (FLAG_COMMIT, &local->flags);
7084 return -EINPROGRESS; /* Call commit handler */
7086 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7087 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7088 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7089 set_bit (FLAG_COMMIT, &local->flags);
7090 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7091 local->config.fastListenInterval =
7092 local->config.listenInterval =
7093 cpu_to_le16((vwrq->value + 500) / 1024);
7094 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7095 set_bit (FLAG_COMMIT, &local->flags);
7097 switch (vwrq->flags & IW_POWER_MODE) {
7098 case IW_POWER_UNICAST_R:
7099 if (sniffing_mode(local))
7101 local->config.rmode &= ~RXMODE_MASK;
7102 local->config.rmode |= RXMODE_ADDR;
7103 set_bit (FLAG_COMMIT, &local->flags);
7105 case IW_POWER_ALL_R:
7106 if (sniffing_mode(local))
7108 local->config.rmode &= ~RXMODE_MASK;
7109 local->config.rmode |= RXMODE_BC_MC_ADDR;
7110 set_bit (FLAG_COMMIT, &local->flags);
7113 /* This is broken, fixme ;-) */
7118 // Note : we may want to factor local->need_commit here
7119 // Note2 : may also want to factor RXMODE_RFMON test
7120 return -EINPROGRESS; /* Call commit handler */
7123 /*------------------------------------------------------------------*/
7125 * Wireless Handler : get Power Management
7127 static int airo_get_power(struct net_device *dev,
7128 struct iw_request_info *info,
7129 union iwreq_data *wrqu,
7132 struct iw_param *vwrq = &wrqu->power;
7133 struct airo_info *local = dev->ml_priv;
7136 readConfigRid(local, 1);
7137 mode = local->config.powerSaveMode;
7138 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7140 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7141 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7142 vwrq->flags = IW_POWER_TIMEOUT;
7144 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7145 vwrq->flags = IW_POWER_PERIOD;
7147 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7148 vwrq->flags |= IW_POWER_UNICAST_R;
7150 vwrq->flags |= IW_POWER_ALL_R;
7155 /*------------------------------------------------------------------*/
7157 * Wireless Handler : set Sensitivity
7159 static int airo_set_sens(struct net_device *dev,
7160 struct iw_request_info *info,
7161 union iwreq_data *wrqu,
7164 struct iw_param *vwrq = &wrqu->sens;
7165 struct airo_info *local = dev->ml_priv;
7167 readConfigRid(local, 1);
7168 local->config.rssiThreshold =
7169 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7170 set_bit (FLAG_COMMIT, &local->flags);
7172 return -EINPROGRESS; /* Call commit handler */
7175 /*------------------------------------------------------------------*/
7177 * Wireless Handler : get Sensitivity
7179 static int airo_get_sens(struct net_device *dev,
7180 struct iw_request_info *info,
7181 union iwreq_data *wrqu,
7184 struct iw_param *vwrq = &wrqu->sens;
7185 struct airo_info *local = dev->ml_priv;
7187 readConfigRid(local, 1);
7188 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7189 vwrq->disabled = (vwrq->value == 0);
7195 /*------------------------------------------------------------------*/
7197 * Wireless Handler : get AP List
7198 * Note : this is deprecated in favor of IWSCAN
7200 static int airo_get_aplist(struct net_device *dev,
7201 struct iw_request_info *info,
7202 union iwreq_data *wrqu,
7205 struct iw_point *dwrq = &wrqu->data;
7206 struct airo_info *local = dev->ml_priv;
7207 struct sockaddr *address = (struct sockaddr *) extra;
7208 struct iw_quality *qual;
7211 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7213 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL);
7217 for (i = 0; i < IW_MAX_AP; i++) {
7219 if (readBSSListRid(local, loseSync, &BSSList))
7222 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7223 address[i].sa_family = ARPHRD_ETHER;
7224 dBm = le16_to_cpu(BSSList.dBm);
7226 qual[i].level = 0x100 - dBm;
7227 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7228 qual[i].updated = IW_QUAL_QUAL_UPDATED
7229 | IW_QUAL_LEVEL_UPDATED
7232 qual[i].level = (dBm + 321) / 2;
7234 qual[i].updated = IW_QUAL_QUAL_INVALID
7235 | IW_QUAL_LEVEL_UPDATED
7238 qual[i].noise = local->wstats.qual.noise;
7239 if (BSSList.index == cpu_to_le16(0xffff))
7243 StatusRid status_rid; /* Card status info */
7244 readStatusRid(local, &status_rid, 1);
7246 i < min(IW_MAX_AP, 4) &&
7247 (status_rid.bssid[i][0]
7248 & status_rid.bssid[i][1]
7249 & status_rid.bssid[i][2]
7250 & status_rid.bssid[i][3]
7251 & status_rid.bssid[i][4]
7252 & status_rid.bssid[i][5])!=0xff &&
7253 (status_rid.bssid[i][0]
7254 | status_rid.bssid[i][1]
7255 | status_rid.bssid[i][2]
7256 | status_rid.bssid[i][3]
7257 | status_rid.bssid[i][4]
7258 | status_rid.bssid[i][5]);
7260 memcpy(address[i].sa_data,
7261 status_rid.bssid[i], ETH_ALEN);
7262 address[i].sa_family = ARPHRD_ETHER;
7265 dwrq->flags = 1; /* Should be define'd */
7266 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7267 sizeof(struct iw_quality) * i);
7275 /*------------------------------------------------------------------*/
7277 * Wireless Handler : Initiate Scan
7279 static int airo_set_scan(struct net_device *dev,
7280 struct iw_request_info *info,
7281 union iwreq_data *wrqu,
7284 struct airo_info *ai = dev->ml_priv;
7288 APListRid APList_rid_empty;
7290 /* Note : you may have realised that, as this is a SET operation,
7291 * this is privileged and therefore a normal user can't
7293 * This is not an error, while the device perform scanning,
7294 * traffic doesn't flow, so it's a perfect DoS...
7296 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7298 if (down_interruptible(&ai->sem))
7299 return -ERESTARTSYS;
7301 /* If there's already a scan in progress, don't
7302 * trigger another one. */
7303 if (ai->scan_timeout > 0)
7306 /* Clear APList as it affects scan results */
7307 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7308 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7310 writeAPListRid(ai, &APList_rid_empty, 0);
7313 /* Initiate a scan command */
7314 ai->scan_timeout = RUN_AT(3*HZ);
7315 memset(&cmd, 0, sizeof(cmd));
7316 cmd.cmd = CMD_LISTBSS;
7317 issuecommand(ai, &cmd, &rsp, true);
7323 wake_up_interruptible(&ai->thr_wait);
7327 /*------------------------------------------------------------------*/
7329 * Translate scan data returned from the card to a card independent
7330 * format that the Wireless Tools will understand - Jean II
7332 static inline char *airo_translate_scan(struct net_device *dev,
7333 struct iw_request_info *info,
7338 struct airo_info *ai = dev->ml_priv;
7339 struct iw_event iwe; /* Temporary buffer */
7340 __le16 capabilities;
7341 char * current_val; /* For rates */
7346 /* First entry *MUST* be the AP MAC address */
7347 iwe.cmd = SIOCGIWAP;
7348 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7349 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7350 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7351 &iwe, IW_EV_ADDR_LEN);
7353 /* Other entries will be displayed in the order we give them */
7356 iwe.u.data.length = bss->ssidLen;
7357 if (iwe.u.data.length > 32)
7358 iwe.u.data.length = 32;
7359 iwe.cmd = SIOCGIWESSID;
7360 iwe.u.data.flags = 1;
7361 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7365 iwe.cmd = SIOCGIWMODE;
7366 capabilities = bss->cap;
7367 if (capabilities & (CAP_ESS | CAP_IBSS)) {
7368 if (capabilities & CAP_ESS)
7369 iwe.u.mode = IW_MODE_MASTER;
7371 iwe.u.mode = IW_MODE_ADHOC;
7372 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7373 &iwe, IW_EV_UINT_LEN);
7377 iwe.cmd = SIOCGIWFREQ;
7378 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7379 iwe.u.freq.m = 100000 *
7380 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7382 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7383 &iwe, IW_EV_FREQ_LEN);
7385 dBm = le16_to_cpu(bss->dBm);
7387 /* Add quality statistics */
7390 iwe.u.qual.level = 0x100 - dBm;
7391 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7392 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7393 | IW_QUAL_LEVEL_UPDATED
7396 iwe.u.qual.level = (dBm + 321) / 2;
7397 iwe.u.qual.qual = 0;
7398 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7399 | IW_QUAL_LEVEL_UPDATED
7402 iwe.u.qual.noise = ai->wstats.qual.noise;
7403 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7404 &iwe, IW_EV_QUAL_LEN);
7406 /* Add encryption capability */
7407 iwe.cmd = SIOCGIWENCODE;
7408 if (capabilities & CAP_PRIVACY)
7409 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7411 iwe.u.data.flags = IW_ENCODE_DISABLED;
7412 iwe.u.data.length = 0;
7413 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7416 /* Rate : stuffing multiple values in a single event require a bit
7417 * more of magic - Jean II */
7418 current_val = current_ev + iwe_stream_lcp_len(info);
7420 iwe.cmd = SIOCGIWRATE;
7421 /* Those two flags are ignored... */
7422 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7424 for (i = 0 ; i < 8 ; i++) {
7425 /* NULL terminated */
7426 if (bss->rates[i] == 0)
7428 /* Bit rate given in 500 kb/s units (+ 0x80) */
7429 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7430 /* Add new value to event */
7431 current_val = iwe_stream_add_value(info, current_ev,
7432 current_val, end_buf,
7433 &iwe, IW_EV_PARAM_LEN);
7435 /* Check if we added any event */
7436 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7437 current_ev = current_val;
7439 /* Beacon interval */
7440 buf = kmalloc(30, GFP_KERNEL);
7442 iwe.cmd = IWEVCUSTOM;
7443 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7444 iwe.u.data.length = strlen(buf);
7445 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7450 /* Put WPA/RSN Information Elements into the event stream */
7451 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7452 unsigned int num_null_ies = 0;
7453 u16 length = sizeof (bss->extra.iep);
7454 u8 *ie = (void *)&bss->extra.iep;
7456 while ((length >= 2) && (num_null_ies < 2)) {
7457 if (2 + ie[1] > length) {
7458 /* Invalid element, don't continue parsing IE */
7464 /* Two zero-length SSID elements
7465 * mean we're done parsing elements */
7470 case WLAN_EID_VENDOR_SPECIFIC:
7476 iwe.cmd = IWEVGENIE;
7477 /* 64 is an arbitrary cut-off */
7478 iwe.u.data.length = min(ie[1] + 2,
7480 current_ev = iwe_stream_add_point(
7487 iwe.cmd = IWEVGENIE;
7488 /* 64 is an arbitrary cut-off */
7489 iwe.u.data.length = min(ie[1] + 2, 64);
7490 current_ev = iwe_stream_add_point(
7491 info, current_ev, end_buf,
7499 length -= 2 + ie[1];
7506 /*------------------------------------------------------------------*/
7508 * Wireless Handler : Read Scan Results
7510 static int airo_get_scan(struct net_device *dev,
7511 struct iw_request_info *info,
7512 union iwreq_data *wrqu,
7515 struct iw_point *dwrq = &wrqu->data;
7516 struct airo_info *ai = dev->ml_priv;
7517 BSSListElement *net;
7519 char *current_ev = extra;
7521 /* If a scan is in-progress, return -EAGAIN */
7522 if (ai->scan_timeout > 0)
7525 if (down_interruptible(&ai->sem))
7528 list_for_each_entry (net, &ai->network_list, list) {
7529 /* Translate to WE format this entry */
7530 current_ev = airo_translate_scan(dev, info, current_ev,
7531 extra + dwrq->length,
7534 /* Check if there is space for one more entry */
7535 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7536 /* Ask user space to try again with a bigger buffer */
7542 /* Length of data */
7543 dwrq->length = (current_ev - extra);
7544 dwrq->flags = 0; /* todo */
7551 /*------------------------------------------------------------------*/
7553 * Commit handler : called after a bunch of SET operations
7555 static int airo_config_commit(struct net_device *dev,
7556 struct iw_request_info *info, /* NULL */
7557 union iwreq_data *wrqu, /* NULL */
7558 char *extra) /* NULL */
7560 struct airo_info *local = dev->ml_priv;
7562 if (!test_bit (FLAG_COMMIT, &local->flags))
7565 /* Some of the "SET" function may have modified some of the
7566 * parameters. It's now time to commit them in the card */
7567 disable_MAC(local, 1);
7568 if (test_bit (FLAG_RESET, &local->flags)) {
7571 readSsidRid(local, &SSID_rid);
7572 if (test_bit(FLAG_MPI,&local->flags))
7573 setup_card(local, dev, 1);
7575 reset_airo_card(dev);
7576 disable_MAC(local, 1);
7577 writeSsidRid(local, &SSID_rid, 1);
7578 writeAPListRid(local, &local->APList, 1);
7580 if (down_interruptible(&local->sem))
7581 return -ERESTARTSYS;
7582 writeConfigRid(local, 0);
7583 enable_MAC(local, 0);
7584 if (test_bit (FLAG_RESET, &local->flags))
7585 airo_set_promisc(local, true);
7592 /*------------------------------------------------------------------*/
7594 * Structures to export the Wireless Handlers
7597 static const struct iw_priv_args airo_private_args[] = {
7598 /*{ cmd, set_args, get_args, name } */
7599 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7600 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7601 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7602 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7605 static const iw_handler airo_handler[] =
7607 IW_HANDLER(SIOCSIWCOMMIT, airo_config_commit),
7608 IW_HANDLER(SIOCGIWNAME, airo_get_name),
7609 IW_HANDLER(SIOCSIWFREQ, airo_set_freq),
7610 IW_HANDLER(SIOCGIWFREQ, airo_get_freq),
7611 IW_HANDLER(SIOCSIWMODE, airo_set_mode),
7612 IW_HANDLER(SIOCGIWMODE, airo_get_mode),
7613 IW_HANDLER(SIOCSIWSENS, airo_set_sens),
7614 IW_HANDLER(SIOCGIWSENS, airo_get_sens),
7615 IW_HANDLER(SIOCGIWRANGE, airo_get_range),
7616 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
7617 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
7618 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
7619 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
7620 IW_HANDLER(SIOCSIWAP, airo_set_wap),
7621 IW_HANDLER(SIOCGIWAP, airo_get_wap),
7622 IW_HANDLER(SIOCGIWAPLIST, airo_get_aplist),
7623 IW_HANDLER(SIOCSIWSCAN, airo_set_scan),
7624 IW_HANDLER(SIOCGIWSCAN, airo_get_scan),
7625 IW_HANDLER(SIOCSIWESSID, airo_set_essid),
7626 IW_HANDLER(SIOCGIWESSID, airo_get_essid),
7627 IW_HANDLER(SIOCSIWNICKN, airo_set_nick),
7628 IW_HANDLER(SIOCGIWNICKN, airo_get_nick),
7629 IW_HANDLER(SIOCSIWRATE, airo_set_rate),
7630 IW_HANDLER(SIOCGIWRATE, airo_get_rate),
7631 IW_HANDLER(SIOCSIWRTS, airo_set_rts),
7632 IW_HANDLER(SIOCGIWRTS, airo_get_rts),
7633 IW_HANDLER(SIOCSIWFRAG, airo_set_frag),
7634 IW_HANDLER(SIOCGIWFRAG, airo_get_frag),
7635 IW_HANDLER(SIOCSIWTXPOW, airo_set_txpow),
7636 IW_HANDLER(SIOCGIWTXPOW, airo_get_txpow),
7637 IW_HANDLER(SIOCSIWRETRY, airo_set_retry),
7638 IW_HANDLER(SIOCGIWRETRY, airo_get_retry),
7639 IW_HANDLER(SIOCSIWENCODE, airo_set_encode),
7640 IW_HANDLER(SIOCGIWENCODE, airo_get_encode),
7641 IW_HANDLER(SIOCSIWPOWER, airo_set_power),
7642 IW_HANDLER(SIOCGIWPOWER, airo_get_power),
7643 IW_HANDLER(SIOCSIWAUTH, airo_set_auth),
7644 IW_HANDLER(SIOCGIWAUTH, airo_get_auth),
7645 IW_HANDLER(SIOCSIWENCODEEXT, airo_set_encodeext),
7646 IW_HANDLER(SIOCGIWENCODEEXT, airo_get_encodeext),
7649 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7650 * We want to force the use of the ioctl code, because those can't be
7651 * won't work the iw_handler code (because they simultaneously read
7652 * and write data and iw_handler can't do that).
7653 * Note that it's perfectly legal to read/write on a single ioctl command,
7654 * you just can't use iwpriv and need to force it via the ioctl handler.
7656 static const iw_handler airo_private_handler[] =
7658 NULL, /* SIOCIWFIRSTPRIV */
7661 static const struct iw_handler_def airo_handler_def =
7663 .num_standard = ARRAY_SIZE(airo_handler),
7664 .num_private = ARRAY_SIZE(airo_private_handler),
7665 .num_private_args = ARRAY_SIZE(airo_private_args),
7666 .standard = airo_handler,
7667 .private = airo_private_handler,
7668 .private_args = airo_private_args,
7669 .get_wireless_stats = airo_get_wireless_stats,
7673 * This defines the configuration part of the Wireless Extensions
7674 * Note : irq and spinlock protection will occur in the subroutines
7677 * o Check input value more carefully and fill correct values in range
7678 * o Test and shakeout the bugs (if any)
7682 * Javier Achirica did a great job of merging code from the unnamed CISCO
7683 * developer that added support for flashing the card.
7685 static int airo_siocdevprivate(struct net_device *dev, struct ifreq *rq,
7686 void __user *data, int cmd)
7689 struct airo_info *ai = dev->ml_priv;
7691 if (ai->power.event)
7701 int val = AIROMAGIC;
7703 if (copy_from_user(&com, data, sizeof(com)))
7705 else if (copy_to_user(com.data, (char *)&val, sizeof(val)))
7714 /* Get the command struct and hand it off for evaluation by
7715 * the proper subfunction
7719 if (copy_from_user(&com, data, sizeof(com))) {
7724 /* Separate R/W functions bracket legality here
7726 if (com.command == AIRORSWVERSION) {
7727 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7732 else if (com.command <= AIRORRID)
7733 rc = readrids(dev,&com);
7734 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2))
7735 rc = writerids(dev,&com);
7736 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART)
7737 rc = flashcard(dev,&com);
7739 rc = -EINVAL; /* Bad command in ioctl */
7742 #endif /* CISCO_EXT */
7744 // All other calls are currently unsupported
7752 * Get the Wireless stats out of the driver
7753 * Note : irq and spinlock protection will occur in the subroutines
7756 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7760 static void airo_read_wireless_stats(struct airo_info *local)
7762 StatusRid status_rid;
7764 CapabilityRid cap_rid;
7765 __le32 *vals = stats_rid.vals;
7767 /* Get stats out of the card */
7768 if (local->power.event)
7771 readCapabilityRid(local, &cap_rid, 0);
7772 readStatusRid(local, &status_rid, 0);
7773 readStatsRid(local, &stats_rid, RID_STATS, 0);
7776 local->wstats.status = le16_to_cpu(status_rid.mode);
7778 /* Signal quality and co */
7780 local->wstats.qual.level =
7781 airo_rssi_to_dbm(local->rssi,
7782 le16_to_cpu(status_rid.sigQuality));
7783 /* normalizedSignalStrength appears to be a percentage */
7784 local->wstats.qual.qual =
7785 le16_to_cpu(status_rid.normalizedSignalStrength);
7787 local->wstats.qual.level =
7788 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7789 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7791 if (le16_to_cpu(status_rid.len) >= 124) {
7792 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7793 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7795 local->wstats.qual.noise = 0;
7796 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7799 /* Packets discarded in the wireless adapter due to wireless
7800 * specific problems */
7801 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7802 le32_to_cpu(vals[57]) +
7803 le32_to_cpu(vals[58]); /* SSID Mismatch */
7804 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7805 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7806 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7807 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7808 le32_to_cpu(vals[32]);
7809 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7812 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7814 struct airo_info *local = dev->ml_priv;
7816 if (!down_interruptible(&local->sem)) {
7817 airo_read_wireless_stats(local);
7820 return &local->wstats;
7825 * This just translates from driver IOCTL codes to the command codes to
7826 * feed to the radio's host interface. Things can be added/deleted
7827 * as needed. This represents the READ side of control I/O to
7830 static int readrids(struct net_device *dev, aironet_ioctl *comp)
7832 unsigned short ridcode;
7833 unsigned char *iobuf;
7835 struct airo_info *ai = dev->ml_priv;
7837 if (test_bit(FLAG_FLASHING, &ai->flags))
7840 switch(comp->command)
7842 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7843 case AIROGCFG: ridcode = RID_CONFIG;
7844 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7845 disable_MAC (ai, 1);
7846 writeConfigRid (ai, 1);
7850 case AIROGSLIST: ridcode = RID_SSID; break;
7851 case AIROGVLIST: ridcode = RID_APLIST; break;
7852 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7853 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7854 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
7855 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
7856 case AIROGSTAT: ridcode = RID_STATUS; break;
7857 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7858 case AIROGSTATSC32: ridcode = RID_STATS; break;
7860 if (copy_to_user(comp->data, &ai->micstats,
7861 min((int)comp->len, (int)sizeof(ai->micstats))))
7864 case AIRORRID: ridcode = comp->ridnum; break;
7869 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
7870 /* Only super-user can read WEP keys */
7871 if (!capable(CAP_NET_ADMIN))
7875 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7878 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1);
7879 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7880 * then return it to the user
7881 * 9/22/2000 Honor user given length
7885 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7894 * Danger Will Robinson write the rids here
7897 static int writerids(struct net_device *dev, aironet_ioctl *comp)
7899 struct airo_info *ai = dev->ml_priv;
7902 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7903 unsigned char *iobuf;
7905 /* Only super-user can write RIDs */
7906 if (!capable(CAP_NET_ADMIN))
7909 if (test_bit(FLAG_FLASHING, &ai->flags))
7913 writer = do_writerid;
7915 switch(comp->command)
7917 case AIROPSIDS: ridcode = RID_SSID; break;
7918 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7919 case AIROPAPLIST: ridcode = RID_APLIST; break;
7920 case AIROPCFG: ai->config.len = 0;
7921 clear_bit(FLAG_COMMIT, &ai->flags);
7922 ridcode = RID_CONFIG; break;
7923 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7924 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7925 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7926 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7928 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7929 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7931 /* this is not really a rid but a command given to the card
7935 if (enable_MAC(ai, 1) != 0)
7940 * Evidently this code in the airo driver does not get a symbol
7941 * as disable_MAC. it's probably so short the compiler does not gen one.
7947 /* This command merely clears the counts does not actually store any data
7948 * only reads rid. But as it changes the cards state, I put it in the
7949 * writerid routines.
7952 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7955 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1);
7957 enabled = ai->micstats.enabled;
7958 memset(&ai->micstats, 0, sizeof(ai->micstats));
7959 ai->micstats.enabled = enabled;
7961 if (copy_to_user(comp->data, iobuf,
7962 min((int)comp->len, (int)RIDSIZE))) {
7970 return -EOPNOTSUPP; /* Blarg! */
7972 if (comp->len > RIDSIZE)
7975 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7978 if (copy_from_user(iobuf, comp->data, comp->len)) {
7983 if (comp->command == AIROPCFG) {
7984 ConfigRid *cfg = (ConfigRid *)iobuf;
7986 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7987 cfg->opmode |= MODE_MIC;
7989 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7990 set_bit (FLAG_ADHOC, &ai->flags);
7992 clear_bit (FLAG_ADHOC, &ai->flags);
7995 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) {
8003 /*****************************************************************************
8004 * Ancillary flash / mod functions much black magic lurkes here *
8005 *****************************************************************************
8009 * Flash command switch table
8012 static int flashcard(struct net_device *dev, aironet_ioctl *comp)
8016 /* Only super-user can modify flash */
8017 if (!capable(CAP_NET_ADMIN))
8020 switch(comp->command)
8023 return cmdreset((struct airo_info *)dev->ml_priv);
8026 if (!AIRO_FLASH(dev) &&
8027 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8029 return setflashmode((struct airo_info *)dev->ml_priv);
8031 case AIROFLSHGCHR: /* Get char from aux */
8032 if (comp->len != sizeof(int))
8034 if (copy_from_user(&z, comp->data, comp->len))
8036 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8038 case AIROFLSHPCHR: /* Send char to card. */
8039 if (comp->len != sizeof(int))
8041 if (copy_from_user(&z, comp->data, comp->len))
8043 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8045 case AIROFLPUTBUF: /* Send 32k to card */
8046 if (!AIRO_FLASH(dev))
8048 if (comp->len > FLASHSIZE)
8050 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8053 flashputbuf((struct airo_info *)dev->ml_priv);
8057 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8064 #define FLASH_COMMAND 0x7e7e
8068 * Disable MAC and do soft reset on
8072 static int cmdreset(struct airo_info *ai)
8076 if (!waitbusy (ai)) {
8077 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8081 OUT4500(ai, COMMAND, CMD_SOFTRESET);
8083 ssleep(1); /* WAS 600 12/7/00 */
8085 if (!waitbusy (ai)) {
8086 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8093 * Put the card in legendary flash
8097 static int setflashmode (struct airo_info *ai)
8099 set_bit (FLAG_FLASHING, &ai->flags);
8101 OUT4500(ai, SWS0, FLASH_COMMAND);
8102 OUT4500(ai, SWS1, FLASH_COMMAND);
8104 OUT4500(ai, SWS0, FLASH_COMMAND);
8105 OUT4500(ai, COMMAND, 0x10);
8107 OUT4500(ai, SWS2, FLASH_COMMAND);
8108 OUT4500(ai, SWS3, FLASH_COMMAND);
8109 OUT4500(ai, COMMAND, 0);
8111 msleep(500); /* 500ms delay */
8113 if (!waitbusy(ai)) {
8114 clear_bit (FLAG_FLASHING, &ai->flags);
8115 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8121 /* Put character to SWS0 wait for dwelltime
8125 static int flashpchar(struct airo_info *ai, int byte, int dwelltime)
8135 waittime = dwelltime;
8137 /* Wait for busy bit d15 to go false indicating buffer empty */
8138 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8143 /* timeout for busy clear wait */
8144 if (waittime <= 0) {
8145 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8149 /* Port is clear now write byte and wait for it to echo back */
8151 OUT4500(ai, SWS0, byte);
8154 echo = IN4500(ai, SWS1);
8155 } while (dwelltime >= 0 && echo != byte);
8157 OUT4500(ai, SWS1, 0);
8159 return (echo == byte) ? 0 : -EIO;
8163 * Get a character from the card matching matchbyte
8166 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime)
8169 unsigned char rbyte = 0;
8172 rchar = IN4500(ai, SWS1);
8174 if (dwelltime && !(0x8000 & rchar)) {
8179 rbyte = 0xff & rchar;
8181 if ((rbyte == matchbyte) && (0x8000 & rchar)) {
8182 OUT4500(ai, SWS1, 0);
8185 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8187 OUT4500(ai, SWS1, 0);
8189 } while (dwelltime > 0);
8194 * Transfer 32k of firmware data from user buffer to our buffer and
8198 static int flashputbuf(struct airo_info *ai)
8203 if (test_bit(FLAG_MPI,&ai->flags))
8204 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8206 OUT4500(ai, AUXPAGE, 0x100);
8207 OUT4500(ai, AUXOFF, 0);
8209 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) {
8210 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff);
8213 OUT4500(ai, SWS0, 0x8000);
8221 static int flashrestart(struct airo_info *ai, struct net_device *dev)
8225 ssleep(1); /* Added 12/7/00 */
8226 clear_bit (FLAG_FLASHING, &ai->flags);
8227 if (test_bit(FLAG_MPI, &ai->flags)) {
8228 status = mpi_init_descriptors(ai);
8229 if (status != SUCCESS)
8232 status = setup_card(ai, dev, 1);
8234 if (!test_bit(FLAG_MPI,&ai->flags))
8235 for (i = 0; i < MAX_FIDS; i++) {
8236 ai->fids[i] = transmit_allocate
8237 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2);
8240 ssleep(1); /* Added 12/7/00 */
8243 #endif /* CISCO_EXT */
8246 This program is free software; you can redistribute it and/or
8247 modify it under the terms of the GNU General Public License
8248 as published by the Free Software Foundation; either version 2
8249 of the License, or (at your option) any later version.
8251 This program is distributed in the hope that it will be useful,
8252 but WITHOUT ANY WARRANTY; without even the implied warranty of
8253 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8254 GNU General Public License for more details.
8258 Redistribution and use in source and binary forms, with or without
8259 modification, are permitted provided that the following conditions
8262 1. Redistributions of source code must retain the above copyright
8263 notice, this list of conditions and the following disclaimer.
8264 2. Redistributions in binary form must reproduce the above copyright
8265 notice, this list of conditions and the following disclaimer in the
8266 documentation and/or other materials provided with the distribution.
8267 3. The name of the author may not be used to endorse or promote
8268 products derived from this software without specific prior written
8271 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8272 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8273 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8274 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8275 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8276 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8277 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8278 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8279 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8280 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8281 POSSIBILITY OF SUCH DAMAGE.
8284 module_init(airo_init_module);
8285 module_exit(airo_cleanup_module);