1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
53 #include <linux/ieee80211.h>
54 #include <net/iw_handler.h>
58 #define DRV_NAME "airo"
61 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
71 MODULE_DEVICE_TABLE(pci, card_ids);
73 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74 static void airo_pci_remove(struct pci_dev *);
75 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76 static int airo_pci_resume(struct pci_dev *pdev);
78 static struct pci_driver airo_driver = {
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
86 #endif /* CONFIG_PCI */
88 /* Include Wireless Extension definition and check version - Jean II */
89 #include <linux/wireless.h>
90 #define WIRELESS_SPY /* enable iwspy support */
91 #include <net/iw_handler.h> /* New driver API */
93 #define CISCO_EXT /* enable Cisco extensions */
95 #include <linux/delay.h>
98 /* Hack to do some power saving */
101 /* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
107 #define IGNLABEL(comment) NULL
108 static char *statsLabels[] = {
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
211 #define RUN_AT(x) (jiffies+(x))
215 /* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
220 static int basic_rate;
221 static char *ssids[3];
227 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
230 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
235 static int probe = 1;
237 static int proc_uid /* = 0 */;
239 static int proc_gid /* = 0 */;
241 static int airo_perm = 0555;
243 static int proc_perm = 0644;
245 MODULE_AUTHOR("Benjamin Reed");
246 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
247 cards. Direct support for ISA/PCI/MPI cards and support \
248 for PCMCIA when used with airo_cs.");
249 MODULE_LICENSE("Dual BSD/GPL");
250 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251 module_param_array(io, int, NULL, 0);
252 module_param_array(irq, int, NULL, 0);
253 module_param(basic_rate, int, 0);
254 module_param_array(rates, int, NULL, 0);
255 module_param_array(ssids, charp, NULL, 0);
256 module_param(auto_wep, int, 0);
257 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258 the authentication options until an association is made. The value of \
259 auto_wep is number of the wep keys to check. A value of 2 will try using \
260 the key at index 0 and index 1.");
261 module_param(aux_bap, int, 0);
262 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263 than seems to work better for older cards with some older buses. Before \
264 switching it checks that the switch is needed.");
265 module_param(maxencrypt, int, 0);
266 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268 Older cards used to be limited to 2mbs (4).");
269 module_param(adhoc, int, 0);
270 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271 module_param(probe, int, 0);
272 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
274 module_param(proc_uid, int, 0);
275 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276 module_param(proc_gid, int, 0);
277 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278 module_param(airo_perm, int, 0);
279 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280 module_param(proc_perm, int, 0);
281 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
283 /* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
286 static int do8bitIO /* = 0 */;
295 #define MAC_ENABLE 0x0001
296 #define MAC_DISABLE 0x0002
297 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298 #define CMD_SOFTRESET 0x0004
299 #define HOSTSLEEP 0x0005
300 #define CMD_MAGIC_PKT 0x0006
301 #define CMD_SETWAKEMASK 0x0007
302 #define CMD_READCFG 0x0008
303 #define CMD_SETMODE 0x0009
304 #define CMD_ALLOCATETX 0x000a
305 #define CMD_TRANSMIT 0x000b
306 #define CMD_DEALLOCATETX 0x000c
308 #define CMD_WORKAROUND 0x0011
309 #define CMD_ALLOCATEAUX 0x0020
310 #define CMD_ACCESS 0x0021
311 #define CMD_PCIBAP 0x0022
312 #define CMD_PCIAUX 0x0023
313 #define CMD_ALLOCBUF 0x0028
314 #define CMD_GETTLV 0x0029
315 #define CMD_PUTTLV 0x002a
316 #define CMD_DELTLV 0x002b
317 #define CMD_FINDNEXTTLV 0x002c
318 #define CMD_PSPNODES 0x0030
319 #define CMD_SETCW 0x0031
320 #define CMD_SETPCF 0x0032
321 #define CMD_SETPHYREG 0x003e
322 #define CMD_TXTEST 0x003f
323 #define MAC_ENABLETX 0x0101
324 #define CMD_LISTBSS 0x0103
325 #define CMD_SAVECFG 0x0108
326 #define CMD_ENABLEAUX 0x0111
327 #define CMD_WRITERID 0x0121
328 #define CMD_USEPSPNODES 0x0130
329 #define MAC_ENABLERX 0x0201
332 #define ERROR_QUALIF 0x00
333 #define ERROR_ILLCMD 0x01
334 #define ERROR_ILLFMT 0x02
335 #define ERROR_INVFID 0x03
336 #define ERROR_INVRID 0x04
337 #define ERROR_LARGE 0x05
338 #define ERROR_NDISABL 0x06
339 #define ERROR_ALLOCBSY 0x07
340 #define ERROR_NORD 0x0B
341 #define ERROR_NOWR 0x0C
342 #define ERROR_INVFIDTX 0x0D
343 #define ERROR_TESTACT 0x0E
344 #define ERROR_TAGNFND 0x12
345 #define ERROR_DECODE 0x20
346 #define ERROR_DESCUNAV 0x21
347 #define ERROR_BADLEN 0x22
348 #define ERROR_MODE 0x80
349 #define ERROR_HOP 0x81
350 #define ERROR_BINTER 0x82
351 #define ERROR_RXMODE 0x83
352 #define ERROR_MACADDR 0x84
353 #define ERROR_RATES 0x85
354 #define ERROR_ORDER 0x86
355 #define ERROR_SCAN 0x87
356 #define ERROR_AUTH 0x88
357 #define ERROR_PSMODE 0x89
358 #define ERROR_RTYPE 0x8A
359 #define ERROR_DIVER 0x8B
360 #define ERROR_SSID 0x8C
361 #define ERROR_APLIST 0x8D
362 #define ERROR_AUTOWAKE 0x8E
363 #define ERROR_LEAP 0x8F
374 #define LINKSTAT 0x10
378 #define TXALLOCFID 0x22
379 #define TXCOMPLFID 0x24
394 /* Offset into aux memory for descriptors */
395 #define AUX_OFFSET 0x800
396 /* Size of allocated packets */
399 /* Size of the transmit queue */
403 #define BAP0 0 /* Used for receiving packets */
404 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
407 #define COMMAND_BUSY 0x8000
409 #define BAP_BUSY 0x8000
410 #define BAP_ERR 0x4000
411 #define BAP_DONE 0x2000
413 #define PROMISC 0xffff
414 #define NOPROMISC 0x0000
417 #define EV_CLEARCOMMANDBUSY 0x4000
420 #define EV_TXEXC 0x04
421 #define EV_ALLOC 0x08
423 #define EV_AWAKE 0x100
424 #define EV_TXCPY 0x400
425 #define EV_UNKNOWN 0x800
426 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427 #define EV_AWAKEN 0x2000
428 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
430 #ifdef CHECK_UNKNOWN_INTS
431 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
433 #define IGNORE_INTS (~STATUS_INTS)
440 #define RID_CAPABILITIES 0xFF00
441 #define RID_APINFO 0xFF01
442 #define RID_RADIOINFO 0xFF02
443 #define RID_UNKNOWN3 0xFF03
444 #define RID_RSSI 0xFF04
445 #define RID_CONFIG 0xFF10
446 #define RID_SSID 0xFF11
447 #define RID_APLIST 0xFF12
448 #define RID_DRVNAME 0xFF13
449 #define RID_ETHERENCAP 0xFF14
450 #define RID_WEP_TEMP 0xFF15
451 #define RID_WEP_PERM 0xFF16
452 #define RID_MODULATION 0xFF17
453 #define RID_OPTIONS 0xFF18
454 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455 #define RID_FACTORYCONFIG 0xFF21
456 #define RID_UNKNOWN22 0xFF22
457 #define RID_LEAPUSERNAME 0xFF23
458 #define RID_LEAPPASSWORD 0xFF24
459 #define RID_STATUS 0xFF50
460 #define RID_BEACON_HST 0xFF51
461 #define RID_BUSY_HST 0xFF52
462 #define RID_RETRIES_HST 0xFF53
463 #define RID_UNKNOWN54 0xFF54
464 #define RID_UNKNOWN55 0xFF55
465 #define RID_UNKNOWN56 0xFF56
466 #define RID_MIC 0xFF57
467 #define RID_STATS16 0xFF60
468 #define RID_STATS16DELTA 0xFF61
469 #define RID_STATS16DELTACLEAR 0xFF62
470 #define RID_STATS 0xFF68
471 #define RID_STATSDELTA 0xFF69
472 #define RID_STATSDELTACLEAR 0xFF6A
473 #define RID_ECHOTEST_RID 0xFF70
474 #define RID_ECHOTEST_RESULTS 0xFF71
475 #define RID_BSSLISTFIRST 0xFF72
476 #define RID_BSSLISTNEXT 0xFF73
477 #define RID_WPA_BSSLISTFIRST 0xFF74
478 #define RID_WPA_BSSLISTNEXT 0xFF75
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct WepKeyRid WepKeyRid;
509 } __attribute__ ((packed));
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
516 } __attribute__ ((packed));
518 typedef struct SsidRid SsidRid;
522 } __attribute__ ((packed));
524 typedef struct ModulationRid ModulationRid;
525 struct ModulationRid {
528 #define MOD_DEFAULT cpu_to_le16(0)
529 #define MOD_CCK cpu_to_le16(1)
530 #define MOD_MOK cpu_to_le16(2)
531 } __attribute__ ((packed));
533 typedef struct ConfigRid ConfigRid;
535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537 #define MODE_STA_IBSS cpu_to_le16(0)
538 #define MODE_STA_ESS cpu_to_le16(1)
539 #define MODE_AP cpu_to_le16(2)
540 #define MODE_AP_RPTR cpu_to_le16(3)
541 #define MODE_CFG_MASK cpu_to_le16(0xff)
542 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558 #define RXMODE_MASK cpu_to_le16(255)
559 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
564 u8 macAddr[ETH_ALEN];
566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
572 __le16 u16deviceType; /* for overriding device type */
575 __le16 _reserved1[3];
576 /*---------- Scanning/Associating ----------*/
578 #define SCANMODE_ACTIVE cpu_to_le16(0)
579 #define SCANMODE_PASSIVE cpu_to_le16(1)
580 #define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
588 #define AUTH_OPEN cpu_to_le16(0x1)
589 #define AUTH_ENCRYPT cpu_to_le16(0x101)
590 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
591 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
601 /*---------- Power save operation ----------*/
602 __le16 powerSaveMode;
603 #define POWERSAVE_CAM cpu_to_le16(0)
604 #define POWERSAVE_PSP cpu_to_le16(1)
605 #define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
612 /*---------- Ap/Ibss config items ----------*/
619 __le16 bridgeDistance;
621 /*---------- Radio configuration ----------*/
623 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
624 #define RADIOTYPE_802_11 cpu_to_le16(1)
625 #define RADIOTYPE_LEGACY cpu_to_le16(2)
629 #define TXPOWER_DEFAULT 0
630 __le16 rssiThreshold;
631 #define RSSI_DEFAULT 0
633 #define PREAMBLE_AUTO cpu_to_le16(0)
634 #define PREAMBLE_LONG cpu_to_le16(1)
635 #define PREAMBLE_SHORT cpu_to_le16(2)
638 __le16 radioSpecific;
639 /*---------- Aironet Extensions ----------*/
644 __le16 _reserved4[1];
645 /*---------- Aironet Extensions ----------*/
647 #define MAGIC_ACTION_STSCHG 1
648 #define MAGIC_ACTION_RESUME 2
649 #define MAGIC_IGNORE_MCAST (1<<8)
650 #define MAGIC_IGNORE_BCAST (1<<9)
651 #define MAGIC_SWITCH_TO_PSP (0<<10)
652 #define MAGIC_STAY_IN_CAM (1<<10)
655 } __attribute__ ((packed));
657 typedef struct StatusRid StatusRid;
667 u8 bssid[4][ETH_ALEN];
674 __le16 hopsToBackbone;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
693 #define STAT_NOPACKETS 0
694 #define STAT_NOCARRIERSET 10
695 #define STAT_GOTCARRIERSET 11
696 #define STAT_WRONGSSID 20
697 #define STAT_BADCHANNEL 25
698 #define STAT_BADBITRATES 30
699 #define STAT_BADPRIVACY 35
700 #define STAT_APFOUND 40
701 #define STAT_APREJECTED 50
702 #define STAT_AUTHENTICATING 60
703 #define STAT_DEAUTHENTICATED 61
704 #define STAT_AUTHTIMEOUT 62
705 #define STAT_ASSOCIATING 70
706 #define STAT_DEASSOCIATED 71
707 #define STAT_ASSOCTIMEOUT 72
708 #define STAT_NOTAIROAP 73
709 #define STAT_ASSOCIATED 80
710 #define STAT_LEAPING 90
711 #define STAT_LEAPFAILED 91
712 #define STAT_LEAPTIMEDOUT 92
713 #define STAT_LEAPCOMPLETE 93
714 } __attribute__ ((packed));
716 typedef struct StatsRid StatsRid;
721 } __attribute__ ((packed));
723 typedef struct APListRid APListRid;
727 } __attribute__ ((packed));
729 typedef struct CapabilityRid CapabilityRid;
730 struct CapabilityRid {
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
742 char callid[ETH_ALEN];
743 char supportedRates[8];
746 __le16 txPowerLevels[8];
757 } __attribute__ ((packed));
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
763 u8 fixed[12]; /* WLAN management frame */
765 } __attribute__ ((packed));
767 typedef struct BSSListRid BSSListRid;
770 __le16 index; /* First is 0 and 0xffff means end of list */
771 #define RADIO_FH 1 /* Frequency hopping radio type */
772 #define RADIO_DS 2 /* Direct sequence radio type */
773 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
780 #define CAP_ESS cpu_to_le16(1<<0)
781 #define CAP_IBSS cpu_to_le16(1<<1)
782 #define CAP_PRIVACY cpu_to_le16(1<<4)
783 #define CAP_SHORTHDR cpu_to_le16(1<<5)
785 __le16 beaconInterval;
786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
799 } __attribute__ ((packed));
803 struct list_head list;
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
810 } __attribute__ ((packed));
812 typedef struct tdsRssiRid tdsRssiRid;
816 } __attribute__ ((packed));
818 typedef struct MICRid MICRid;
822 __le16 multicastValid;
826 } __attribute__ ((packed));
828 typedef struct MICBuffer MICBuffer;
844 } __attribute__ ((packed));
851 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
852 #define TXCTL_TXEX (1<<2) /* report if tx fails */
853 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
854 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856 #define TXCTL_LLC (1<<4) /* payload is llc */
857 #define TXCTL_RELEASE (0<<5) /* release after completion */
858 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
860 #define BUSY_FID 0x10000
863 #define AIROMAGIC 0xa55a
864 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865 #ifdef SIOCIWFIRSTPRIV
866 #ifdef SIOCDEVPRIVATE
867 #define AIROOLDIOCTL SIOCDEVPRIVATE
868 #define AIROOLDIDIFC AIROOLDIOCTL + 1
869 #endif /* SIOCDEVPRIVATE */
870 #else /* SIOCIWFIRSTPRIV */
871 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872 #endif /* SIOCIWFIRSTPRIV */
873 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877 #define AIROIOCTL SIOCIWFIRSTPRIV
878 #define AIROIDIFC AIROIOCTL + 1
880 /* Ioctl constants to be used in airo_ioctl.command */
882 #define AIROGCAP 0 // Capability rid
883 #define AIROGCFG 1 // USED A LOT
884 #define AIROGSLIST 2 // System ID list
885 #define AIROGVLIST 3 // List of specified AP's
886 #define AIROGDRVNAM 4 // NOTUSED
887 #define AIROGEHTENC 5 // NOTUSED
888 #define AIROGWEPKTMP 6
889 #define AIROGWEPKNV 7
891 #define AIROGSTATSC32 9
892 #define AIROGSTATSD32 10
893 #define AIROGMICRID 11
894 #define AIROGMICSTATS 12
895 #define AIROGFLAGS 13
898 #define AIRORSWVERSION 17
900 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
902 #define AIROPCAP AIROGSTATSD32 + 40
903 #define AIROPVLIST AIROPCAP + 1
904 #define AIROPSLIST AIROPVLIST + 1
905 #define AIROPCFG AIROPSLIST + 1
906 #define AIROPSIDS AIROPCFG + 1
907 #define AIROPAPLIST AIROPSIDS + 1
908 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910 #define AIROPSTCLR AIROPMACOFF + 1
911 #define AIROPWEPKEY AIROPSTCLR + 1
912 #define AIROPWEPKEYNV AIROPWEPKEY + 1
913 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
914 #define AIROPLEAPUSR AIROPLEAPPWD + 1
918 #define AIROFLSHRST AIROPWEPKEYNV + 40
919 #define AIROFLSHGCHR AIROFLSHRST + 1
920 #define AIROFLSHSTFL AIROFLSHGCHR + 1
921 #define AIROFLSHPCHR AIROFLSHSTFL + 1
922 #define AIROFLPUTBUF AIROFLSHPCHR + 1
923 #define AIRORESTART AIROFLPUTBUF + 1
925 #define FLASHSIZE 32768
926 #define AUXMEMSIZE (256 * 1024)
928 typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
935 static char swversion[] = "2.1";
936 #endif /* CISCO_EXT */
938 #define NUM_MODULES 2
939 #define MIC_MSGLEN_MAX 2400
940 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
941 #define AIRO_DEF_MTU 2312
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
961 } part; // saves partial message word across update() calls
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
986 unsigned int offset: 15;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
999 } __attribute__ ((packed));
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1010 * Host receive descriptor
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1022 * Host transmit descriptor
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1034 * Host RID descriptor
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1049 #define HOST_SET (1 << 0)
1050 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056 #define HOST_RTS (1 << 9) /* Force RTS use */
1057 #define HOST_SHORT (1 << 10) /* Do short preamble */
1084 static WifiCtlHdr wifictlhdr8023 = {
1086 .ctl = HOST_DONT_RLSE,
1090 // A few details needed for WEP (Wireless Equivalent Privacy)
1091 #define MAX_KEY_SIZE 13 // 128 (?) bits
1092 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093 typedef struct wep_key_t {
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1098 /* List of Wireless Handlers (new API) */
1099 static const struct iw_handler_def airo_handler_def;
1101 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1105 static int get_dec_u16( char *buffer, int *start, int limit );
1106 static void OUT4500( struct airo_info *, u16 register, u16 value );
1107 static unsigned short IN4500( struct airo_info *, u16 register );
1108 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1109 static int enable_MAC(struct airo_info *ai, int lock);
1110 static void disable_MAC(struct airo_info *ai, int lock);
1111 static void enable_interrupts(struct airo_info*);
1112 static void disable_interrupts(struct airo_info*);
1113 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1115 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1119 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1121 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1131 static int mpi_send_packet (struct net_device *dev);
1132 static void mpi_unmap_card(struct pci_dev *pci);
1133 static void mpi_receive_802_3(struct airo_info *ai);
1134 static void mpi_receive_802_11(struct airo_info *ai);
1135 static int waitbusy (struct airo_info *ai);
1137 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1138 static int airo_thread(void *data);
1139 static void timer_func( struct net_device *dev );
1140 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1141 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1142 static void airo_read_wireless_stats (struct airo_info *local);
1144 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1146 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1147 #endif /* CISCO_EXT */
1148 static void micinit(struct airo_info *ai);
1149 static int micsetup(struct airo_info *ai);
1150 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1153 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1156 static void airo_networks_free(struct airo_info *ai);
1159 struct net_device *dev;
1160 struct list_head dev_list;
1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1164 #define MPI_MAX_FIDS 1
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1171 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173 #define FLAG_RADIO_MASK 0x03
1174 #define FLAG_ENABLED 2
1175 #define FLAG_ADHOC 3 /* Needed by MIC */
1176 #define FLAG_MIC_CAPABLE 4
1177 #define FLAG_UPDATE_MULTI 5
1178 #define FLAG_UPDATE_UNI 6
1179 #define FLAG_802_11 7
1180 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1181 #define FLAG_PENDING_XMIT 9
1182 #define FLAG_PENDING_XMIT11 10
1184 #define FLAG_REGISTERED 12
1185 #define FLAG_COMMIT 13
1186 #define FLAG_RESET 14
1187 #define FLAG_FLASHING 15
1188 #define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1192 #define JOB_XMIT11 2
1194 #define JOB_PROMISC 4
1197 #define JOB_AUTOWEP 7
1198 #define JOB_WSTATS 8
1199 #define JOB_SCAN_RESULTS 9
1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1203 unsigned short *flash;
1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1207 struct semaphore sem;
1208 wait_queue_head_t thr_wait;
1209 unsigned long expires;
1211 struct sk_buff *skb;
1214 struct net_device *wifidev;
1215 struct iw_statistics wstats; // wireless stats
1216 unsigned long scan_timeout; /* Time scan should be read */
1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1220 struct crypto_cipher *tfm;
1222 mic_statistics micstats;
1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1236 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1286 /***********************************************************************
1288 ***********************************************************************
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1323 /* micinit - Initialize mic seed */
1325 static void micinit(struct airo_info *ai)
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1356 /* micsetup - Get ready for business */
1358 static int micsetup(struct airo_info *ai) {
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1377 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1379 /*===========================================================================
1380 * Description: Mic a packet
1382 * Inputs: etherHead * pointer to an 802.3 frame
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1405 context = &ai->mod[0].uCtx;
1407 if (!context->valid)
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1415 mic->seq = htonl(context->tx);
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1442 * Inputs: etherHead pointer to the 802.3 packet
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1457 mic_error micError = NONE;
1459 // Check if the packet is a Mic'd packet
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1470 if (ntohs(mic->typelen) == 0x888E)
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1495 //Make sure context is valid
1496 if (!context->valid) {
1498 micError = NOMICPLUMMED;
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1512 emmh32_final(&context->seed, digest);
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1517 micError = INCORRECTMIC;
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1527 micError = SEQUENCE;
1530 // Update statistics
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1548 * Returns: TRUE if valid otherwise FALSE.
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1577 //Too old of a SEQ number to check.
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1596 MoveWindow(context,micSeq);
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1613 context->rx >>= shift;
1617 context->window = micSeq; //Move window
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1629 static unsigned char aes_counter[16];
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1640 u8 *cipher, plain[16];
1642 crypto_cipher_setkey(tfm, pkey, 16);
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1663 /* prepare for new mic calculation */
1665 context->position = 0;
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1671 int coeff_position, byte_position;
1673 if (len == 0) return;
1675 coeff_position = context->position >> 2;
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1690 /* deal with full 32-bit words */
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1698 /* deal with partial 32-bit word that will be left over from this update */
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1713 int coeff_position, byte_position;
1719 coeff_position = context->position >> 2;
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1744 static int readBSSListRid(struct airo_info *ai, int first,
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1797 static int readConfigRid(struct airo_info *ai, int lock)
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1813 static inline void checkThrottle(struct airo_info *ai)
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1851 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1871 static void try_auto_wep(struct airo_info *ai)
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1892 writeConfigRid(ai, 1);
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1920 netif_start_queue(dev);
1924 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1935 npacks = skb_queue_len (&ai->txq);
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1957 return NETDEV_TX_OK;
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1967 static int mpi_send_packet (struct net_device *dev)
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1973 struct airo_info *ai = dev->ml_priv;
1976 /* get a packet to send */
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2033 dev->trans_start = jiffies;
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2042 OUT4500(ai, EVACK, 8);
2044 dev_kfree_skb_any(skb);
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2057 bap_read(ai, &status, 2, BAP0);
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2099 static void airo_end_xmit(struct net_device *dev) {
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2145 if (i == MAX_FIDS / 2) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2163 return NETDEV_TX_OK;
2166 static void airo_end_xmit11(struct net_device *dev) {
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2174 clear_bit(JOB_XMIT11, &priv->jobs);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2184 priv->fids[fid] &= 0xffff;
2185 dev->stats.tx_window_errors++;
2188 netif_wake_queue(dev);
2192 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2197 struct airo_info *priv = dev->ml_priv;
2198 u32 *fids = priv->fids;
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2219 if (i == MAX_FIDS) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2240 static void airo_read_stats(struct net_device *dev)
2242 struct airo_info *ai = dev->ml_priv;
2244 __le32 *vals = stats_rid.vals;
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
2267 /* detailed rx_errors: */
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2274 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2276 struct airo_info *local = dev->ml_priv;
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2284 airo_read_stats(dev);
2290 static void airo_set_promisc(struct airo_info *ai) {
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2302 static void airo_set_multicast_list(struct net_device *dev) {
2303 struct airo_info *ai = dev->ml_priv;
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2311 airo_set_promisc(ai);
2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315 /* Turn on multicast. (Should be already setup...) */
2319 static int airo_set_mac_address(struct net_device *dev, void *p)
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2328 writeConfigRid (ai, 1);
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2336 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2344 static LIST_HEAD(airo_devices);
2346 static void add_airo_dev(struct airo_info *ai)
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2351 list_add_tail(&ai->dev_list, &airo_devices);
2354 static void del_airo_dev(struct airo_info *ai)
2357 list_del(&ai->dev_list);
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2363 netif_stop_queue(dev);
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2375 disable_interrupts( ai );
2377 free_irq(dev->irq, dev);
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2385 void stop_airo_card( struct net_device *dev, int freeres )
2387 struct airo_info *ai = dev->ml_priv;
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 * Clean out tx queue
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2411 airo_networks_free (ai);
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2422 mpi_unmap_card(ai->pci);
2424 iounmap(ai->pcimem);
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2431 crypto_free_cipher(ai->tfm);
2436 EXPORT_SYMBOL(stop_airo_card);
2438 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2444 static void mpi_unmap_card(struct pci_dev *pci)
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2455 /*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2462 static int mpi_init_descriptors (struct airo_info *ai)
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2475 cmd.cmd = CMD_ALLOCATEAUX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2490 /* Alloc card TX descriptors */
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2495 cmd.cmd = CMD_ALLOCATEAUX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2517 cmd.cmd = CMD_ALLOCATEAUX;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2539 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
2546 unsigned char __iomem *pciaddroff;
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2564 ai->pcimem = ioremap(mem_start, mem_len);
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2570 ai->pciaux = ioremap(aux_start, aux_len);
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2586 * Setup descriptor RX, TX, CONFIG
2588 busaddroff = ai->shared_dma;
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2642 iounmap(ai->pciaux);
2644 iounmap(ai->pcimem);
2646 release_mem_region(aux_start, aux_len);
2648 release_mem_region(mem_start, mem_len);
2653 static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2657 static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2667 static void wifi_setup(struct net_device *dev)
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2705 static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
2708 if (lock && down_interruptible(&ai->sem))
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2720 #define AIRO_MAX_NETWORK_COUNT 64
2721 static int airo_networks_allocate(struct airo_info *ai)
2727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2737 static void airo_networks_free(struct airo_info *ai)
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2743 static void airo_networks_initialize(struct airo_info *ai)
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2754 static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
2763 .ndo_validate_addr = eth_validate_addr,
2766 static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
2775 .ndo_validate_addr = eth_validate_addr,
2779 static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
2783 struct net_device *dev;
2784 struct airo_info *ai;
2786 CapabilityRid cap_rid;
2788 /* Create the network device object. */
2789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2791 airo_print_err("", "Couldn't alloc_etherdev");
2795 ai = dev->ml_priv = netdev_priv(dev);
2797 ai->flags = 1 << FLAG_RADIO_DOWN;
2800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2801 airo_print_dbg("", "Found an MPI350 card");
2802 set_bit(FLAG_MPI, &ai->flags);
2804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2808 init_waitqueue_head (&ai->thr_wait);
2812 if (airo_networks_allocate (ai))
2814 airo_networks_initialize (ai);
2816 skb_queue_head_init (&ai->txq);
2818 /* The Airo-specific entries in the device structure. */
2819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2822 dev->netdev_ops = &airo_netdev_ops;
2823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
2827 dev->base_addr = port;
2829 SET_NETDEV_DEV(dev, dmdev);
2831 reset_card (dev, 1);
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2837 airo_print_err(dev->name, "Couldn't request region");
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2866 ai->wifidev = init_wifidev(ai, dev);
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2921 unregister_netdev(dev);
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2931 release_region( dev->base_addr, 64 );
2933 airo_networks_free(ai);
2940 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2946 EXPORT_SYMBOL(init_airo_card);
2948 static int waitbusy (struct airo_info *ai) {
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2955 return delay < 10000;
2958 int reset_airo_card( struct net_device *dev )
2961 struct airo_info *ai = dev->ml_priv;
2963 if (reset_card (dev, 1))
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2981 EXPORT_SYMBOL(reset_airo_card);
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3021 /* Read and parse all entries */
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3066 /* make swsusp happy with our thread */
3069 if (test_bit(JOB_DIE, &ai->jobs))
3073 locked = down_interruptible(&ai->sem);
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3080 set_current_state(TASK_INTERRUPTIBLE);
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3100 wake_at = min(ai->expires,
3103 schedule_timeout(wake_at - jiffies);
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3156 static int header_len(__le16 ctl)
3158 u16 fc = le16_to_cpu(ctl);
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3171 static void airo_handle_cisco_mic(struct airo_info *ai)
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3179 /* Airo Status codes */
3180 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC 0x0400 /* Associated */
3190 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3192 static void airo_print_status(const char *devname, u16 status)
3194 u8 reason = status & 0xFF;
3196 switch (status & 0xFF00) {
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3202 case STAT_MAXRETRIES:
3204 airo_print_dbg(devname, "link lost (max retries)");
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3235 airo_print_dbg(devname, "unknow status %x\n", status);
3240 static void airo_handle_link(struct airo_info *ai)
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3253 airo_print_status(ai->dev->name, status);
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3281 static void airo_handle_rx(struct airo_info *ai)
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3298 fid = IN4500(ai, RXFID);
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3307 if (ai->wifidev == NULL)
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3313 len = le16_to_cpu(hdr.len);
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3326 hdrlen = ETH_ALEN * 2;
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3330 ai->dev->stats.rx_dropped++;
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3340 bap_read(ai, tmpbuf, 6, BAP0);
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3346 bap_read(ai, tmpbuf, gap, BAP0);
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3380 if (success && (ai->spy_data.spy_number > 0)) {
3382 struct iw_quality wstats;
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3403 #endif /* WIRELESS_SPY */
3406 OUT4500(ai, EVACK, EV_RX);
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3422 static void airo_handle_tx(struct airo_info *ai, u16 status)
3424 int i, len = 0, index = -1;
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3446 fid = IN4500(ai, TXCOMPLFID);
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3476 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3478 struct net_device *dev = dev_id;
3479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
3483 if (!netif_device_present(dev))
3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
3498 if (!savedInterrupts) {
3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
3513 /* Check to see if there is something to receive */
3517 /* Check to see if a packet has been transmitted */
3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
3523 status & ~STATUS_INTS & ~IGNORE_INTS );
3527 if (savedInterrupts)
3528 OUT4500(ai, EVINTEN, savedInterrupts);
3530 return IRQ_RETVAL(handled);
3534 * Routines to talk to the card
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3542 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3546 outw( val, ai->dev->base_addr + reg );
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3553 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3556 if (test_bit(FLAG_MPI,&ai->flags))
3559 rc = inw( ai->dev->base_addr + reg );
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3567 static int enable_MAC(struct airo_info *ai, int lock)
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
3587 rc = issuecommand(ai, &cmd, &rsp);
3589 set_bit(FLAG_ENABLED, &ai->flags);
3597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3606 static void disable_MAC( struct airo_info *ai, int lock ) {
3610 if (lock && down_interruptible(&ai->sem))
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3623 static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3628 static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3632 static void mpi_receive_802_3(struct airo_info *ai)
3636 struct sk_buff *skb;
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3645 if (len < 12 || len > 2048)
3648 skb = dev_alloc_skb(len);
3650 ai->dev->stats.rx_dropped++;
3653 buffer = skb_put(skb,len);
3654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3672 dev_kfree_skb_irq (skb);
3676 if (ai->spy_data.spy_number > 0) {
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3687 #endif /* WIRELESS_SPY */
3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
3694 if (rxd.valid == 0) {
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3702 static void mpi_receive_802_11(struct airo_info *ai)
3705 struct sk_buff *skb = NULL;
3706 u16 len, hdrlen = 0;
3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3719 if (ai->wifidev == NULL)
3721 len = le16_to_cpu(hdr.len);
3722 if (len > AIRO_DEF_MTU) {
3723 airo_print_err(ai->dev->name, "Bad size %d", len);
3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3734 ai->dev->stats.rx_dropped++;
3737 buffer = (u16*)skb_put (skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3742 gap = get_unaligned_le16(ptr);
3743 ptr += sizeof(__le16);
3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3753 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3771 #endif /* IW_WIRELESS_SPY */
3772 skb_reset_mac_header(skb);
3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
3776 skb->ip_summed = CHECKSUM_NONE;
3780 if (rxd.valid == 0) {
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3788 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3798 memset( &mySsid, 0, sizeof( mySsid ) );
3802 /* The NOP is the first step in getting the card going */
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3812 disable_MAC( ai, 0);
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3827 ai->bap_read = aux_bap_read;
3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3833 if (ai->config.len == 0) {
3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3857 if (cap_rid.softCap & cpu_to_le16(8))
3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3860 airo_print_warn(ai->dev->name, "unknown received signal "
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3869 micsetup(ai) == SUCCESS) {
3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3879 /* Check to see if there are any insmod configured
3882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3887 if ( basic_rate > 0 ) {
3888 for( i = 0; i < 8; i++ ) {
3889 if ( ai->config.rates[i] == basic_rate ||
3890 !ai->config.rates ) {
3891 ai->config.rates[i] = basic_rate | 0x80;
3896 set_bit (FLAG_COMMIT, &ai->flags);
3899 /* Setup the SSIDs if present */
3902 for( i = 0; i < 3 && ssids[i]; i++ ) {
3903 size_t len = strlen(ssids[i]);
3906 mySsid.ssids[i].len = cpu_to_le16(len);
3907 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3909 mySsid.len = cpu_to_le16(sizeof(mySsid));
3912 status = writeConfigRid(ai, lock);
3913 if ( status != SUCCESS ) return ERROR;
3915 /* Set up the SSID list */
3917 status = writeSsidRid(ai, &mySsid, lock);
3918 if ( status != SUCCESS ) return ERROR;
3921 status = enable_MAC(ai, lock);
3922 if (status != SUCCESS)
3925 /* Grab the initial wep key, we gotta save it for auto_wep */
3926 rc = readWepKeyRid(ai, &wkr, 1, lock);
3927 if (rc == SUCCESS) do {
3928 lastindex = wkr.kindex;
3929 if (wkr.kindex == cpu_to_le16(0xffff)) {
3930 ai->defindex = wkr.mac[0];
3932 rc = readWepKeyRid(ai, &wkr, 0, lock);
3933 } while(lastindex != wkr.kindex);
3940 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3941 // Im really paranoid about letting it run forever!
3942 int max_tries = 600000;
3944 if (IN4500(ai, EVSTAT) & EV_CMD)
3945 OUT4500(ai, EVACK, EV_CMD);
3947 OUT4500(ai, PARAM0, pCmd->parm0);
3948 OUT4500(ai, PARAM1, pCmd->parm1);
3949 OUT4500(ai, PARAM2, pCmd->parm2);
3950 OUT4500(ai, COMMAND, pCmd->cmd);
3952 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3953 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3954 // PC4500 didn't notice command, try again
3955 OUT4500(ai, COMMAND, pCmd->cmd);
3956 if (!in_atomic() && (max_tries & 255) == 0)
3960 if ( max_tries == -1 ) {
3961 airo_print_err(ai->dev->name,
3962 "Max tries exceeded when issueing command");
3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3968 // command completed
3969 pRsp->status = IN4500(ai, STATUS);
3970 pRsp->rsp0 = IN4500(ai, RESP0);
3971 pRsp->rsp1 = IN4500(ai, RESP1);
3972 pRsp->rsp2 = IN4500(ai, RESP2);
3973 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3974 airo_print_err(ai->dev->name,
3975 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3976 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3979 // clear stuck command busy if necessary
3980 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3981 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3983 // acknowledge processing the status/response
3984 OUT4500(ai, EVACK, EV_CMD);
3989 /* Sets up the bap to start exchange data. whichbap should
3990 * be one of the BAP0 or BAP1 defines. Locks should be held before
3992 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
4000 int status = IN4500(ai, OFFSET0+whichbap);
4001 if (status & BAP_BUSY) {
4002 /* This isn't really a timeout, but its kinda
4007 } else if ( status & BAP_ERR ) {
4008 /* invalid rid or offset */
4009 airo_print_err(ai->dev->name, "BAP error %x %d",
4012 } else if (status & BAP_DONE) { // success
4015 if ( !(max_tries--) ) {
4016 airo_print_err(ai->dev->name,
4017 "BAP setup error too many retries\n");
4020 // -- PC4500 missed it, try again
4021 OUT4500(ai, SELECT0+whichbap, rid);
4022 OUT4500(ai, OFFSET0+whichbap, offset);
4027 /* should only be called by aux_bap_read. This aux function and the
4028 following use concepts not documented in the developers guide. I
4029 got them from a patch given to my by Aironet */
4030 static u16 aux_setup(struct airo_info *ai, u16 page,
4031 u16 offset, u16 *len)
4035 OUT4500(ai, AUXPAGE, page);
4036 OUT4500(ai, AUXOFF, 0);
4037 next = IN4500(ai, AUXDATA);
4038 *len = IN4500(ai, AUXDATA)&0xff;
4039 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4043 /* requires call to bap_setup() first */
4044 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4045 int bytelen, int whichbap)
4053 unsigned long flags;
4055 spin_lock_irqsave(&ai->aux_lock, flags);
4056 page = IN4500(ai, SWS0+whichbap);
4057 offset = IN4500(ai, SWS2+whichbap);
4058 next = aux_setup(ai, page, offset, &len);
4059 words = (bytelen+1)>>1;
4061 for (i=0; i<words;) {
4063 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4065 insw( ai->dev->base_addr+DATA0+whichbap,
4068 insb( ai->dev->base_addr+DATA0+whichbap,
4069 pu16Dst+i, count << 1 );
4072 next = aux_setup(ai, next, 4, &len);
4075 spin_unlock_irqrestore(&ai->aux_lock, flags);
4080 /* requires call to bap_setup() first */
4081 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4082 int bytelen, int whichbap)
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4086 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4088 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4092 /* requires call to bap_setup() first */
4093 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4094 int bytelen, int whichbap)
4096 bytelen = (bytelen + 1) & (~1); // round up to even value
4098 outsw( ai->dev->base_addr+DATA0+whichbap,
4099 pu16Src, bytelen>>1 );
4101 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4105 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4107 Cmd cmd; /* for issuing commands */
4108 Resp rsp; /* response from commands */
4111 memset(&cmd, 0, sizeof(cmd));
4114 status = issuecommand(ai, &cmd, &rsp);
4115 if (status != 0) return status;
4116 if ( (rsp.status & 0x7F00) != 0) {
4117 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4122 /* Note, that we are using BAP1 which is also used by transmit, so
4123 * we must get a lock. */
4124 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4130 if (down_interruptible(&ai->sem))
4133 if (test_bit(FLAG_MPI,&ai->flags)) {
4137 memset(&cmd, 0, sizeof(cmd));
4138 memset(&rsp, 0, sizeof(rsp));
4139 ai->config_desc.rid_desc.valid = 1;
4140 ai->config_desc.rid_desc.len = RIDSIZE;
4141 ai->config_desc.rid_desc.rid = 0;
4142 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4144 cmd.cmd = CMD_ACCESS;
4147 memcpy_toio(ai->config_desc.card_ram_off,
4148 &ai->config_desc.rid_desc, sizeof(Rid));
4150 rc = issuecommand(ai, &cmd, &rsp);
4152 if (rsp.status & 0x7f00)
4155 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4158 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4162 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4166 // read the rid length field
4167 bap_read(ai, pBuf, 2, BAP1);
4168 // length for remaining part of rid
4169 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4172 airo_print_err(ai->dev->name,
4173 "Rid %x has a length of %d which is too short",
4174 (int)rid, (int)len );
4178 // read remainder of the rid
4179 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4187 /* Note, that we are using BAP1 which is also used by transmit, so
4188 * make sure this isnt called when a transmit is happening */
4189 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4190 const void *pBuf, int len, int lock)
4195 *(__le16*)pBuf = cpu_to_le16((u16)len);
4198 if (down_interruptible(&ai->sem))
4201 if (test_bit(FLAG_MPI,&ai->flags)) {
4205 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4206 airo_print_err(ai->dev->name,
4207 "%s: MAC should be disabled (rid=%04x)",
4209 memset(&cmd, 0, sizeof(cmd));
4210 memset(&rsp, 0, sizeof(rsp));
4212 ai->config_desc.rid_desc.valid = 1;
4213 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4214 ai->config_desc.rid_desc.rid = 0;
4216 cmd.cmd = CMD_WRITERID;
4219 memcpy_toio(ai->config_desc.card_ram_off,
4220 &ai->config_desc.rid_desc, sizeof(Rid));
4222 if (len < 4 || len > 2047) {
4223 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4226 memcpy((char *)ai->config_desc.virtual_host_addr,
4229 rc = issuecommand(ai, &cmd, &rsp);
4230 if ((rc & 0xff00) != 0) {
4231 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4233 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4237 if ((rsp.status & 0x7f00))
4241 // --- first access so that we can write the rid data
4242 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4246 // --- now write the rid data
4247 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4251 bap_write(ai, pBuf, len, BAP1);
4252 // ---now commit the rid data
4253 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4261 /* Allocates a FID to be used for transmitting packets. We only use
4263 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4265 unsigned int loop = 3000;
4271 cmd.cmd = CMD_ALLOCATETX;
4272 cmd.parm0 = lenPayload;
4273 if (down_interruptible(&ai->sem))
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4279 if ( (rsp.status & 0xFF00) != 0) {
4283 /* wait for the allocate event/indication
4284 * It makes me kind of nervous that this can just sit here and spin,
4285 * but in practice it only loops like four times. */
4286 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4292 // get the allocated fid and acknowledge
4293 txFid = IN4500(ai, TXALLOCFID);
4294 OUT4500(ai, EVACK, EV_ALLOC);
4296 /* The CARD is pretty cool since it converts the ethernet packet
4297 * into 802.11. Also note that we don't release the FID since we
4298 * will be using the same one over and over again. */
4299 /* We only have to setup the control once since we are not
4300 * releasing the fid. */
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4307 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4310 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4318 /* In general BAP1 is dedicated to transmiting packets. However,
4319 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4320 Make sure the BAP1 spinlock is held when this is called. */
4321 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4332 if (len <= ETH_ALEN * 2) {
4333 airo_print_warn(ai->dev->name, "Short packet %d", len);
4336 len -= ETH_ALEN * 2;
4338 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4339 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4340 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4342 miclen = sizeof(pMic);
4344 // packet is destination[6], source[6], payload[len-12]
4345 // write the payload length and dst/src/payload
4346 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4347 /* The hardware addresses aren't counted as part of the payload, so
4348 * we have to subtract the 12 bytes for the addresses off */
4349 payloadLen = cpu_to_le16(len + miclen);
4350 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4351 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4353 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4354 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4364 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4366 __le16 fc, payloadLen;
4370 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4371 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4375 fc = *(__le16*)pPacket;
4376 hdrlen = header_len(fc);
4379 airo_print_warn(ai->dev->name, "Short packet %d", len);
4383 /* packet is 802.11 header + payload
4384 * write the payload length and dst/src/payload */
4385 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4386 /* The 802.11 header aren't counted as part of the payload, so
4387 * we have to subtract the header bytes off */
4388 payloadLen = cpu_to_le16(len-hdrlen);
4389 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4390 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4391 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4392 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4394 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4395 // issue the transmit command
4396 memset( &cmd, 0, sizeof( cmd ) );
4397 cmd.cmd = CMD_TRANSMIT;
4399 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4400 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4405 * This is the proc_fs routines. It is a bit messier than I would
4406 * like! Feel free to clean it up!
4409 static ssize_t proc_read( struct file *file,
4410 char __user *buffer,
4414 static ssize_t proc_write( struct file *file,
4415 const char __user *buffer,
4418 static int proc_close( struct inode *inode, struct file *file );
4420 static int proc_stats_open( struct inode *inode, struct file *file );
4421 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4422 static int proc_status_open( struct inode *inode, struct file *file );
4423 static int proc_SSID_open( struct inode *inode, struct file *file );
4424 static int proc_APList_open( struct inode *inode, struct file *file );
4425 static int proc_BSSList_open( struct inode *inode, struct file *file );
4426 static int proc_config_open( struct inode *inode, struct file *file );
4427 static int proc_wepkey_open( struct inode *inode, struct file *file );
4429 static const struct file_operations proc_statsdelta_ops = {
4430 .owner = THIS_MODULE,
4432 .open = proc_statsdelta_open,
4433 .release = proc_close
4436 static const struct file_operations proc_stats_ops = {
4437 .owner = THIS_MODULE,
4439 .open = proc_stats_open,
4440 .release = proc_close
4443 static const struct file_operations proc_status_ops = {
4444 .owner = THIS_MODULE,
4446 .open = proc_status_open,
4447 .release = proc_close
4450 static const struct file_operations proc_SSID_ops = {
4451 .owner = THIS_MODULE,
4453 .write = proc_write,
4454 .open = proc_SSID_open,
4455 .release = proc_close
4458 static const struct file_operations proc_BSSList_ops = {
4459 .owner = THIS_MODULE,
4461 .write = proc_write,
4462 .open = proc_BSSList_open,
4463 .release = proc_close
4466 static const struct file_operations proc_APList_ops = {
4467 .owner = THIS_MODULE,
4469 .write = proc_write,
4470 .open = proc_APList_open,
4471 .release = proc_close
4474 static const struct file_operations proc_config_ops = {
4475 .owner = THIS_MODULE,
4477 .write = proc_write,
4478 .open = proc_config_open,
4479 .release = proc_close
4482 static const struct file_operations proc_wepkey_ops = {
4483 .owner = THIS_MODULE,
4485 .write = proc_write,
4486 .open = proc_wepkey_open,
4487 .release = proc_close
4490 static struct proc_dir_entry *airo_entry;
4499 void (*on_close) (struct inode *, struct file *);
4502 static int setup_proc_entry( struct net_device *dev,
4503 struct airo_info *apriv ) {
4504 struct proc_dir_entry *entry;
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4510 if (!apriv->proc_entry)
4512 apriv->proc_entry->uid = proc_uid;
4513 apriv->proc_entry->gid = proc_gid;
4515 /* Setup the StatsDelta */
4516 entry = proc_create_data("StatsDelta",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry, &proc_statsdelta_ops, dev);
4520 goto fail_stats_delta;
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
4524 /* Setup the Stats */
4525 entry = proc_create_data("Stats",
4526 S_IFREG | (S_IRUGO&proc_perm),
4527 apriv->proc_entry, &proc_stats_ops, dev);
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
4533 /* Setup the Status */
4534 entry = proc_create_data("Status",
4535 S_IFREG | (S_IRUGO&proc_perm),
4536 apriv->proc_entry, &proc_status_ops, dev);
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
4542 /* Setup the Config */
4543 entry = proc_create_data("Config",
4544 S_IFREG | proc_perm,
4545 apriv->proc_entry, &proc_config_ops, dev);
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
4551 /* Setup the SSID */
4552 entry = proc_create_data("SSID",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry, &proc_SSID_ops, dev);
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4560 /* Setup the APList */
4561 entry = proc_create_data("APList",
4562 S_IFREG | proc_perm,
4563 apriv->proc_entry, &proc_APList_ops, dev);
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4569 /* Setup the BSSList */
4570 entry = proc_create_data("BSSList",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry, &proc_BSSList_ops, dev);
4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
4578 /* Setup the WepKey */
4579 entry = proc_create_data("WepKey",
4580 S_IFREG | proc_perm,
4581 apriv->proc_entry, &proc_wepkey_ops, dev);
4584 entry->uid = proc_uid;
4585 entry->gid = proc_gid;
4590 remove_proc_entry("BSSList", apriv->proc_entry);
4592 remove_proc_entry("APList", apriv->proc_entry);
4594 remove_proc_entry("SSID", apriv->proc_entry);
4596 remove_proc_entry("Config", apriv->proc_entry);
4598 remove_proc_entry("Status", apriv->proc_entry);
4600 remove_proc_entry("Stats", apriv->proc_entry);
4602 remove_proc_entry("StatsDelta", apriv->proc_entry);
4604 remove_proc_entry(apriv->proc_name, airo_entry);
4609 static int takedown_proc_entry( struct net_device *dev,
4610 struct airo_info *apriv ) {
4611 if ( !apriv->proc_entry->namelen ) return 0;
4612 remove_proc_entry("Stats",apriv->proc_entry);
4613 remove_proc_entry("StatsDelta",apriv->proc_entry);
4614 remove_proc_entry("Status",apriv->proc_entry);
4615 remove_proc_entry("Config",apriv->proc_entry);
4616 remove_proc_entry("SSID",apriv->proc_entry);
4617 remove_proc_entry("APList",apriv->proc_entry);
4618 remove_proc_entry("BSSList",apriv->proc_entry);
4619 remove_proc_entry("WepKey",apriv->proc_entry);
4620 remove_proc_entry(apriv->proc_name,airo_entry);
4625 * What we want from the proc_fs is to be able to efficiently read
4626 * and write the configuration. To do this, we want to read the
4627 * configuration when the file is opened and write it when the file is
4628 * closed. So basically we allocate a read buffer at open and fill it
4629 * with data, and allocate a write buffer and read it at close.
4633 * The read routine is generic, it relies on the preallocated rbuffer
4634 * to supply the data.
4636 static ssize_t proc_read( struct file *file,
4637 char __user *buffer,
4641 struct proc_data *priv = file->private_data;
4646 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4651 * The write routine is generic, it fills in a preallocated rbuffer
4652 * to supply the data.
4654 static ssize_t proc_write( struct file *file,
4655 const char __user *buffer,
4659 loff_t pos = *offset;
4660 struct proc_data *priv = (struct proc_data*)file->private_data;
4667 if (pos >= priv->maxwritelen)
4669 if (len > priv->maxwritelen - pos)
4670 len = priv->maxwritelen - pos;
4671 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4673 if ( pos + len > priv->writelen )
4674 priv->writelen = len + file->f_pos;
4675 *offset = pos + len;
4679 static int proc_status_open(struct inode *inode, struct file *file)
4681 struct proc_data *data;
4682 struct proc_dir_entry *dp = PDE(inode);
4683 struct net_device *dev = dp->data;
4684 struct airo_info *apriv = dev->ml_priv;
4685 CapabilityRid cap_rid;
4686 StatusRid status_rid;
4690 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4692 data = (struct proc_data *)file->private_data;
4693 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4694 kfree (file->private_data);
4698 readStatusRid(apriv, &status_rid, 1);
4699 readCapabilityRid(apriv, &cap_rid, 1);
4701 mode = le16_to_cpu(status_rid.mode);
4703 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4704 mode & 1 ? "CFG ": "",
4705 mode & 2 ? "ACT ": "",
4706 mode & 0x10 ? "SYN ": "",
4707 mode & 0x20 ? "LNK ": "",
4708 mode & 0x40 ? "LEAP ": "",
4709 mode & 0x80 ? "PRIV ": "",
4710 mode & 0x100 ? "KEY ": "",
4711 mode & 0x200 ? "WEP ": "",
4712 mode & 0x8000 ? "ERR ": "");
4713 sprintf( data->rbuffer+i, "Mode: %x\n"
4714 "Signal Strength: %d\n"
4715 "Signal Quality: %d\n"
4720 "Driver Version: %s\n"
4721 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4722 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4723 "Software Version: %x\nSoftware Subversion: %x\n"
4724 "Boot block version: %x\n",
4725 le16_to_cpu(status_rid.mode),
4726 le16_to_cpu(status_rid.normalizedSignalStrength),
4727 le16_to_cpu(status_rid.signalQuality),
4728 le16_to_cpu(status_rid.SSIDlen),
4731 le16_to_cpu(status_rid.channel),
4732 le16_to_cpu(status_rid.currentXmitRate) / 2,
4737 le16_to_cpu(cap_rid.radioType),
4738 le16_to_cpu(cap_rid.country),
4739 le16_to_cpu(cap_rid.hardVer),
4740 le16_to_cpu(cap_rid.softVer),
4741 le16_to_cpu(cap_rid.softSubVer),
4742 le16_to_cpu(cap_rid.bootBlockVer));
4743 data->readlen = strlen( data->rbuffer );
4747 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4748 static int proc_statsdelta_open( struct inode *inode,
4749 struct file *file ) {
4750 if (file->f_mode&FMODE_WRITE) {
4751 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4753 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4756 static int proc_stats_open( struct inode *inode, struct file *file ) {
4757 return proc_stats_rid_open(inode, file, RID_STATS);
4760 static int proc_stats_rid_open( struct inode *inode,
4764 struct proc_data *data;
4765 struct proc_dir_entry *dp = PDE(inode);
4766 struct net_device *dev = dp->data;
4767 struct airo_info *apriv = dev->ml_priv;
4770 __le32 *vals = stats.vals;
4773 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4775 data = (struct proc_data *)file->private_data;
4776 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4777 kfree (file->private_data);
4781 readStatsRid(apriv, &stats, rid, 1);
4782 len = le16_to_cpu(stats.len);
4785 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4786 if (!statsLabels[i]) continue;
4787 if (j+strlen(statsLabels[i])+16>4096) {
4788 airo_print_warn(apriv->dev->name,
4789 "Potentially disasterous buffer overflow averted!");
4792 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4793 le32_to_cpu(vals[i]));
4796 airo_print_warn(apriv->dev->name, "Got a short rid");
4802 static int get_dec_u16( char *buffer, int *start, int limit ) {
4805 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4806 buffer[*start] <= '9'; (*start)++) {
4809 value += buffer[*start] - '0';
4811 if ( !valid ) return -1;
4815 static int airo_config_commit(struct net_device *dev,
4816 struct iw_request_info *info, void *zwrq,
4819 static inline int sniffing_mode(struct airo_info *ai)
4821 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4822 le16_to_cpu(RXMODE_RFMON);
4825 static void proc_config_on_close(struct inode *inode, struct file *file)
4827 struct proc_data *data = file->private_data;
4828 struct proc_dir_entry *dp = PDE(inode);
4829 struct net_device *dev = dp->data;
4830 struct airo_info *ai = dev->ml_priv;
4833 if ( !data->writelen ) return;
4835 readConfigRid(ai, 1);
4836 set_bit (FLAG_COMMIT, &ai->flags);
4838 line = data->wbuffer;
4840 /*** Mode processing */
4841 if ( !strncmp( line, "Mode: ", 6 ) ) {
4843 if (sniffing_mode(ai))
4844 set_bit (FLAG_RESET, &ai->flags);
4845 ai->config.rmode &= ~RXMODE_FULL_MASK;
4846 clear_bit (FLAG_802_11, &ai->flags);
4847 ai->config.opmode &= ~MODE_CFG_MASK;
4848 ai->config.scanMode = SCANMODE_ACTIVE;
4849 if ( line[0] == 'a' ) {
4850 ai->config.opmode |= MODE_STA_IBSS;
4852 ai->config.opmode |= MODE_STA_ESS;
4853 if ( line[0] == 'r' ) {
4854 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4855 ai->config.scanMode = SCANMODE_PASSIVE;
4856 set_bit (FLAG_802_11, &ai->flags);
4857 } else if ( line[0] == 'y' ) {
4858 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4859 ai->config.scanMode = SCANMODE_PASSIVE;
4860 set_bit (FLAG_802_11, &ai->flags);
4861 } else if ( line[0] == 'l' )
4862 ai->config.rmode |= RXMODE_LANMON;
4864 set_bit (FLAG_COMMIT, &ai->flags);
4867 /*** Radio status */
4868 else if (!strncmp(line,"Radio: ", 7)) {
4870 if (!strncmp(line,"off",3)) {
4871 set_bit (FLAG_RADIO_OFF, &ai->flags);
4873 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4876 /*** NodeName processing */
4877 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4881 memset( ai->config.nodeName, 0, 16 );
4882 /* Do the name, assume a space between the mode and node name */
4883 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4884 ai->config.nodeName[j] = line[j];
4886 set_bit (FLAG_COMMIT, &ai->flags);
4889 /*** PowerMode processing */
4890 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4892 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4893 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "PSP", 3 ) ) {
4896 ai->config.powerSaveMode = POWERSAVE_PSP;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4899 ai->config.powerSaveMode = POWERSAVE_CAM;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4903 int v, i = 0, k = 0; /* i is index into line,
4904 k is index to rates */
4907 while((v = get_dec_u16(line, &i, 3))!=-1) {
4908 ai->config.rates[k++] = (u8)v;
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4916 v = get_dec_u16(line, &i, i+3);
4918 ai->config.channelSet = cpu_to_le16(v);
4919 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4924 v = get_dec_u16(line, &i, i+3);
4926 ai->config.txPower = cpu_to_le16(v);
4927 set_bit (FLAG_COMMIT, &ai->flags);
4929 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4933 ai->config.authType = AUTH_SHAREDKEY;
4936 ai->config.authType = AUTH_ENCRYPT;
4939 ai->config.authType = AUTH_OPEN;
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4947 v = get_dec_u16(line, &i, 3);
4948 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4949 ai->config.longRetryLimit = cpu_to_le16(v);
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4955 v = get_dec_u16(line, &i, 3);
4956 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4957 ai->config.shortRetryLimit = cpu_to_le16(v);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4963 v = get_dec_u16(line, &i, 4);
4964 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4965 ai->config.rtsThres = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4971 v = get_dec_u16(line, &i, 5);
4973 ai->config.txLifetime = cpu_to_le16(v);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4979 v = get_dec_u16(line, &i, 5);
4981 ai->config.rxLifetime = cpu_to_le16(v);
4982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4984 ai->config.txDiversity =
4985 (line[13]=='l') ? 1 :
4986 ((line[13]=='r')? 2: 3);
4987 set_bit (FLAG_COMMIT, &ai->flags);
4988 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4989 ai->config.rxDiversity =
4990 (line[13]=='l') ? 1 :
4991 ((line[13]=='r')? 2: 3);
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4997 v = get_dec_u16(line, &i, 4);
4998 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4999 v = v & 0xfffe; /* Make sure its even */
5000 ai->config.fragThresh = cpu_to_le16(v);
5001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if (!strncmp(line, "Modulation: ", 12)) {
5005 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5006 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5008 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5010 } else if (!strncmp(line, "Preamble: ", 10)) {
5013 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5015 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5016 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5019 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5021 while( line[0] && line[0] != '\n' ) line++;
5022 if ( line[0] ) line++;
5024 airo_config_commit(dev, NULL, NULL, NULL);
5027 static char *get_rmode(__le16 mode)
5029 switch(mode & RXMODE_MASK) {
5030 case RXMODE_RFMON: return "rfmon";
5031 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5032 case RXMODE_LANMON: return "lanmon";
5037 static int proc_config_open(struct inode *inode, struct file *file)
5039 struct proc_data *data;
5040 struct proc_dir_entry *dp = PDE(inode);
5041 struct net_device *dev = dp->data;
5042 struct airo_info *ai = dev->ml_priv;
5046 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5048 data = (struct proc_data *)file->private_data;
5049 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5050 kfree (file->private_data);
5053 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5054 kfree (data->rbuffer);
5055 kfree (file->private_data);
5058 data->maxwritelen = 2048;
5059 data->on_close = proc_config_on_close;
5061 readConfigRid(ai, 1);
5063 mode = ai->config.opmode & MODE_CFG_MASK;
5064 i = sprintf( data->rbuffer,
5069 "DataRates: %d %d %d %d %d %d %d %d\n"
5072 mode == MODE_STA_IBSS ? "adhoc" :
5073 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5074 mode == MODE_AP ? "AP" :
5075 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5076 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5077 ai->config.nodeName,
5078 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5079 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5080 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5082 (int)ai->config.rates[0],
5083 (int)ai->config.rates[1],
5084 (int)ai->config.rates[2],
5085 (int)ai->config.rates[3],
5086 (int)ai->config.rates[4],
5087 (int)ai->config.rates[5],
5088 (int)ai->config.rates[6],
5089 (int)ai->config.rates[7],
5090 le16_to_cpu(ai->config.channelSet),
5091 le16_to_cpu(ai->config.txPower)
5093 sprintf( data->rbuffer + i,
5094 "LongRetryLimit: %d\n"
5095 "ShortRetryLimit: %d\n"
5096 "RTSThreshold: %d\n"
5097 "TXMSDULifetime: %d\n"
5098 "RXMSDULifetime: %d\n"
5101 "FragThreshold: %d\n"
5105 le16_to_cpu(ai->config.longRetryLimit),
5106 le16_to_cpu(ai->config.shortRetryLimit),
5107 le16_to_cpu(ai->config.rtsThres),
5108 le16_to_cpu(ai->config.txLifetime),
5109 le16_to_cpu(ai->config.rxLifetime),
5110 ai->config.txDiversity == 1 ? "left" :
5111 ai->config.txDiversity == 2 ? "right" : "both",
5112 ai->config.rxDiversity == 1 ? "left" :
5113 ai->config.rxDiversity == 2 ? "right" : "both",
5114 le16_to_cpu(ai->config.fragThresh),
5115 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5116 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5117 ai->config.modulation == MOD_DEFAULT ? "default" :
5118 ai->config.modulation == MOD_CCK ? "cck" :
5119 ai->config.modulation == MOD_MOK ? "mok" : "error",
5120 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5121 ai->config.preamble == PREAMBLE_LONG ? "long" :
5122 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5124 data->readlen = strlen( data->rbuffer );
5128 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5130 struct proc_data *data = (struct proc_data *)file->private_data;
5131 struct proc_dir_entry *dp = PDE(inode);
5132 struct net_device *dev = dp->data;
5133 struct airo_info *ai = dev->ml_priv;
5136 char *p = data->wbuffer;
5137 char *end = p + data->writelen;
5139 if (!data->writelen)
5142 *end = '\n'; /* sentinel; we have space for it */
5144 memset(&SSID_rid, 0, sizeof(SSID_rid));
5146 for (i = 0; i < 3 && p < end; i++) {
5148 /* copy up to 32 characters from this line */
5149 while (*p != '\n' && j < 32)
5150 SSID_rid.ssids[i].ssid[j++] = *p++;
5153 SSID_rid.ssids[i].len = cpu_to_le16(j);
5154 /* skip to the beginning of the next line */
5155 while (*p++ != '\n')
5159 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5161 writeSsidRid(ai, &SSID_rid, 1);
5165 static inline u8 hexVal(char c) {
5166 if (c>='0' && c<='9') return c -= '0';
5167 if (c>='a' && c<='f') return c -= 'a'-10;
5168 if (c>='A' && c<='F') return c -= 'A'-10;
5172 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5173 struct proc_data *data = (struct proc_data *)file->private_data;
5174 struct proc_dir_entry *dp = PDE(inode);
5175 struct net_device *dev = dp->data;
5176 struct airo_info *ai = dev->ml_priv;
5177 APListRid APList_rid;
5180 if ( !data->writelen ) return;
5182 memset( &APList_rid, 0, sizeof(APList_rid) );
5183 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5185 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5187 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5190 APList_rid.ap[i][j/3]=
5191 hexVal(data->wbuffer[j+i*6*3])<<4;
5194 APList_rid.ap[i][j/3]|=
5195 hexVal(data->wbuffer[j+i*6*3]);
5201 writeAPListRid(ai, &APList_rid, 1);
5205 /* This function wraps PC4500_writerid with a MAC disable */
5206 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5207 int len, int dummy ) {
5211 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5216 /* Returns the WEP key at the specified index, or -1 if that key does
5217 * not exist. The buffer is assumed to be at least 16 bytes in length.
5219 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5225 rc = readWepKeyRid(ai, &wkr, 1, 1);
5229 lastindex = wkr.kindex;
5230 if (le16_to_cpu(wkr.kindex) == index) {
5231 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5232 memcpy(buf, wkr.key, klen);
5235 rc = readWepKeyRid(ai, &wkr, 0, 1);
5238 } while (lastindex != wkr.kindex);
5242 static int get_wep_tx_idx(struct airo_info *ai)
5248 rc = readWepKeyRid(ai, &wkr, 1, 1);
5252 lastindex = wkr.kindex;
5253 if (wkr.kindex == cpu_to_le16(0xffff))
5255 rc = readWepKeyRid(ai, &wkr, 0, 1);
5258 } while (lastindex != wkr.kindex);
5262 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5263 u16 keylen, int perm, int lock)
5265 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5269 if (WARN_ON(keylen == 0))
5272 memset(&wkr, 0, sizeof(wkr));
5273 wkr.len = cpu_to_le16(sizeof(wkr));
5274 wkr.kindex = cpu_to_le16(index);
5275 wkr.klen = cpu_to_le16(keylen);
5276 memcpy(wkr.key, key, keylen);
5277 memcpy(wkr.mac, macaddr, ETH_ALEN);
5279 if (perm) disable_MAC(ai, lock);
5280 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5281 if (perm) enable_MAC(ai, lock);
5285 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5290 memset(&wkr, 0, sizeof(wkr));
5291 wkr.len = cpu_to_le16(sizeof(wkr));
5292 wkr.kindex = cpu_to_le16(0xffff);
5293 wkr.mac[0] = (char)index;
5296 ai->defindex = (char)index;
5297 disable_MAC(ai, lock);
5300 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5303 enable_MAC(ai, lock);
5307 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5308 struct proc_data *data;
5309 struct proc_dir_entry *dp = PDE(inode);
5310 struct net_device *dev = dp->data;
5311 struct airo_info *ai = dev->ml_priv;
5317 memset(key, 0, sizeof(key));
5319 data = (struct proc_data *)file->private_data;
5320 if ( !data->writelen ) return;
5322 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5323 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5324 index = data->wbuffer[0] - '0';
5325 if (data->wbuffer[1] == '\n') {
5326 rc = set_wep_tx_idx(ai, index, 1, 1);
5328 airo_print_err(ai->dev->name, "failed to set "
5329 "WEP transmit index to %d: %d.",
5336 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5340 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5343 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5346 key[i/3] |= hexVal(data->wbuffer[i+j]);
5351 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5353 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5354 "%d: %d.", index, rc);
5358 static int proc_wepkey_open( struct inode *inode, struct file *file )
5360 struct proc_data *data;
5361 struct proc_dir_entry *dp = PDE(inode);
5362 struct net_device *dev = dp->data;
5363 struct airo_info *ai = dev->ml_priv;
5370 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5372 memset(&wkr, 0, sizeof(wkr));
5373 data = (struct proc_data *)file->private_data;
5374 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5375 kfree (file->private_data);
5379 data->maxwritelen = 80;
5380 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5381 kfree (data->rbuffer);
5382 kfree (file->private_data);
5385 data->on_close = proc_wepkey_on_close;
5387 ptr = data->rbuffer;
5388 strcpy(ptr, "No wep keys\n");
5389 rc = readWepKeyRid(ai, &wkr, 1, 1);
5390 if (rc == SUCCESS) do {
5391 lastindex = wkr.kindex;
5392 if (wkr.kindex == cpu_to_le16(0xffff)) {
5393 j += sprintf(ptr+j, "Tx key = %d\n",
5396 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5397 le16_to_cpu(wkr.kindex),
5398 le16_to_cpu(wkr.klen));
5400 readWepKeyRid(ai, &wkr, 0, 1);
5401 } while((lastindex != wkr.kindex) && (j < 180-30));
5403 data->readlen = strlen( data->rbuffer );
5407 static int proc_SSID_open(struct inode *inode, struct file *file)
5409 struct proc_data *data;
5410 struct proc_dir_entry *dp = PDE(inode);
5411 struct net_device *dev = dp->data;
5412 struct airo_info *ai = dev->ml_priv;
5417 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5419 data = (struct proc_data *)file->private_data;
5420 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5421 kfree (file->private_data);
5425 data->maxwritelen = 33*3;
5426 /* allocate maxwritelen + 1; we'll want a sentinel */
5427 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5428 kfree (data->rbuffer);
5429 kfree (file->private_data);
5432 data->on_close = proc_SSID_on_close;
5434 readSsidRid(ai, &SSID_rid);
5435 ptr = data->rbuffer;
5436 for (i = 0; i < 3; i++) {
5438 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5443 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5444 *ptr++ = SSID_rid.ssids[i].ssid[j];
5448 data->readlen = strlen( data->rbuffer );
5452 static int proc_APList_open( struct inode *inode, struct file *file ) {
5453 struct proc_data *data;
5454 struct proc_dir_entry *dp = PDE(inode);
5455 struct net_device *dev = dp->data;
5456 struct airo_info *ai = dev->ml_priv;
5459 APListRid APList_rid;
5461 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5463 data = (struct proc_data *)file->private_data;
5464 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5465 kfree (file->private_data);
5469 data->maxwritelen = 4*6*3;
5470 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5471 kfree (data->rbuffer);
5472 kfree (file->private_data);
5475 data->on_close = proc_APList_on_close;
5477 readAPListRid(ai, &APList_rid);
5478 ptr = data->rbuffer;
5479 for( i = 0; i < 4; i++ ) {
5480 // We end when we find a zero MAC
5481 if ( !*(int*)APList_rid.ap[i] &&
5482 !*(int*)&APList_rid.ap[i][2]) break;
5483 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5485 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5488 data->readlen = strlen( data->rbuffer );
5492 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5493 struct proc_data *data;
5494 struct proc_dir_entry *dp = PDE(inode);
5495 struct net_device *dev = dp->data;
5496 struct airo_info *ai = dev->ml_priv;
5498 BSSListRid BSSList_rid;
5500 /* If doLoseSync is not 1, we won't do a Lose Sync */
5501 int doLoseSync = -1;
5503 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5505 data = (struct proc_data *)file->private_data;
5506 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5507 kfree (file->private_data);
5511 data->maxwritelen = 0;
5512 data->wbuffer = NULL;
5513 data->on_close = NULL;
5515 if (file->f_mode & FMODE_WRITE) {
5516 if (!(file->f_mode & FMODE_READ)) {
5520 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5521 memset(&cmd, 0, sizeof(cmd));
5522 cmd.cmd=CMD_LISTBSS;
5523 if (down_interruptible(&ai->sem))
5524 return -ERESTARTSYS;
5525 issuecommand(ai, &cmd, &rsp);
5532 ptr = data->rbuffer;
5533 /* There is a race condition here if there are concurrent opens.
5534 Since it is a rare condition, we'll just live with it, otherwise
5535 we have to add a spin lock... */
5536 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5537 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5538 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5540 (int)BSSList_rid.ssidLen,
5542 le16_to_cpu(BSSList_rid.dBm));
5543 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5544 le16_to_cpu(BSSList_rid.dsChannel),
5545 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5546 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5547 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5548 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5549 rc = readBSSListRid(ai, 0, &BSSList_rid);
5552 data->readlen = strlen( data->rbuffer );
5556 static int proc_close( struct inode *inode, struct file *file )
5558 struct proc_data *data = file->private_data;
5560 if (data->on_close != NULL)
5561 data->on_close(inode, file);
5562 kfree(data->rbuffer);
5563 kfree(data->wbuffer);
5568 /* Since the card doesn't automatically switch to the right WEP mode,
5569 we will make it do it. If the card isn't associated, every secs we
5570 will switch WEP modes to see if that will help. If the card is
5571 associated we will check every minute to see if anything has
5573 static void timer_func( struct net_device *dev ) {
5574 struct airo_info *apriv = dev->ml_priv;
5576 /* We don't have a link so try changing the authtype */
5577 readConfigRid(apriv, 0);
5578 disable_MAC(apriv, 0);
5579 switch(apriv->config.authType) {
5581 /* So drop to OPEN */
5582 apriv->config.authType = AUTH_OPEN;
5584 case AUTH_SHAREDKEY:
5585 if (apriv->keyindex < auto_wep) {
5586 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5587 apriv->config.authType = AUTH_SHAREDKEY;
5590 /* Drop to ENCRYPT */
5591 apriv->keyindex = 0;
5592 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5593 apriv->config.authType = AUTH_ENCRYPT;
5596 default: /* We'll escalate to SHAREDKEY */
5597 apriv->config.authType = AUTH_SHAREDKEY;
5599 set_bit (FLAG_COMMIT, &apriv->flags);
5600 writeConfigRid(apriv, 0);
5601 enable_MAC(apriv, 0);
5604 /* Schedule check to see if the change worked */
5605 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5606 apriv->expires = RUN_AT(HZ*3);
5610 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5611 const struct pci_device_id *pent)
5613 struct net_device *dev;
5615 if (pci_enable_device(pdev))
5617 pci_set_master(pdev);
5619 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5620 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5622 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5624 pci_disable_device(pdev);
5628 pci_set_drvdata(pdev, dev);
5632 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5634 struct net_device *dev = pci_get_drvdata(pdev);
5636 airo_print_info(dev->name, "Unregistering...");
5637 stop_airo_card(dev, 1);
5638 pci_disable_device(pdev);
5639 pci_set_drvdata(pdev, NULL);
5642 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5644 struct net_device *dev = pci_get_drvdata(pdev);
5645 struct airo_info *ai = dev->ml_priv;
5650 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5654 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5657 readAPListRid(ai, ai->APList);
5658 readSsidRid(ai, ai->SSID);
5659 memset(&cmd, 0, sizeof(cmd));
5660 /* the lock will be released at the end of the resume callback */
5661 if (down_interruptible(&ai->sem))
5664 netif_device_detach(dev);
5666 cmd.cmd = HOSTSLEEP;
5667 issuecommand(ai, &cmd, &rsp);
5669 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5670 pci_save_state(pdev);
5671 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5675 static int airo_pci_resume(struct pci_dev *pdev)
5677 struct net_device *dev = pci_get_drvdata(pdev);
5678 struct airo_info *ai = dev->ml_priv;
5679 pci_power_t prev_state = pdev->current_state;
5681 pci_set_power_state(pdev, PCI_D0);
5682 pci_restore_state(pdev);
5683 pci_enable_wake(pdev, PCI_D0, 0);
5685 if (prev_state != PCI_D1) {
5687 mpi_init_descriptors(ai);
5688 setup_card(ai, dev->dev_addr, 0);
5689 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5690 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5692 OUT4500(ai, EVACK, EV_AWAKEN);
5693 OUT4500(ai, EVACK, EV_AWAKEN);
5697 set_bit(FLAG_COMMIT, &ai->flags);
5701 writeSsidRid(ai, ai->SSID, 0);
5706 writeAPListRid(ai, ai->APList, 0);
5710 writeConfigRid(ai, 0);
5712 ai->power = PMSG_ON;
5713 netif_device_attach(dev);
5714 netif_wake_queue(dev);
5715 enable_interrupts(ai);
5721 static int __init airo_init_module( void )
5725 airo_entry = create_proc_entry("driver/aironet",
5726 S_IFDIR | airo_perm,
5730 airo_entry->uid = proc_uid;
5731 airo_entry->gid = proc_gid;
5734 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5735 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5736 "io=0x%x", irq[i], io[i] );
5737 if (init_airo_card( irq[i], io[i], 0, NULL ))
5742 airo_print_info("", "Probing for PCI adapters");
5743 i = pci_register_driver(&airo_driver);
5744 airo_print_info("", "Finished probing for PCI adapters");
5747 remove_proc_entry("driver/aironet", NULL);
5752 /* Always exit with success, as we are a library module
5753 * as well as a driver module
5758 static void __exit airo_cleanup_module( void )
5760 struct airo_info *ai;
5761 while(!list_empty(&airo_devices)) {
5762 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5763 airo_print_info(ai->dev->name, "Unregistering...");
5764 stop_airo_card(ai->dev, 1);
5767 pci_unregister_driver(&airo_driver);
5769 remove_proc_entry("driver/aironet", NULL);
5773 * Initial Wireless Extension code for Aironet driver by :
5774 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5775 * Conversion to new driver API by :
5776 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5777 * Javier also did a good amount of work here, adding some new extensions
5778 * and fixing my code. Let's just say that without him this code just
5779 * would not work at all... - Jean II
5782 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5787 return (0x100 - rssi_rid[rssi].rssidBm);
5790 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5797 for (i = 0; i < 256; i++)
5798 if (rssi_rid[i].rssidBm == dbm)
5799 return rssi_rid[i].rssipct;
5805 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5810 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5813 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5816 sq = le16_to_cpu(status_rid->signalQuality);
5817 if (memcmp(cap_rid->prodName, "350", 3))
5821 quality = 0x20 - sq;
5828 quality = 0xb0 - sq;
5832 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5833 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5835 /*------------------------------------------------------------------*/
5837 * Wireless Handler : get protocol name
5839 static int airo_get_name(struct net_device *dev,
5840 struct iw_request_info *info,
5844 strcpy(cwrq, "IEEE 802.11-DS");
5848 /*------------------------------------------------------------------*/
5850 * Wireless Handler : set frequency
5852 static int airo_set_freq(struct net_device *dev,
5853 struct iw_request_info *info,
5854 struct iw_freq *fwrq,
5857 struct airo_info *local = dev->ml_priv;
5858 int rc = -EINPROGRESS; /* Call commit handler */
5860 /* If setting by frequency, convert to a channel */
5862 int f = fwrq->m / 100000;
5864 /* Hack to fall through... */
5866 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5868 /* Setting by channel number */
5869 if((fwrq->m > 1000) || (fwrq->e > 0))
5872 int channel = fwrq->m;
5873 /* We should do a better check than that,
5874 * based on the card capability !!! */
5875 if((channel < 1) || (channel > 14)) {
5876 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5880 readConfigRid(local, 1);
5881 /* Yes ! We can set it !!! */
5882 local->config.channelSet = cpu_to_le16(channel);
5883 set_bit (FLAG_COMMIT, &local->flags);
5889 /*------------------------------------------------------------------*/
5891 * Wireless Handler : get frequency
5893 static int airo_get_freq(struct net_device *dev,
5894 struct iw_request_info *info,
5895 struct iw_freq *fwrq,
5898 struct airo_info *local = dev->ml_priv;
5899 StatusRid status_rid; /* Card status info */
5902 readConfigRid(local, 1);
5903 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5904 status_rid.channel = local->config.channelSet;
5906 readStatusRid(local, &status_rid, 1);
5908 ch = le16_to_cpu(status_rid.channel);
5909 if((ch > 0) && (ch < 15)) {
5910 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5920 /*------------------------------------------------------------------*/
5922 * Wireless Handler : set ESSID
5924 static int airo_set_essid(struct net_device *dev,
5925 struct iw_request_info *info,
5926 struct iw_point *dwrq,
5929 struct airo_info *local = dev->ml_priv;
5930 SsidRid SSID_rid; /* SSIDs */
5932 /* Reload the list of current SSID */
5933 readSsidRid(local, &SSID_rid);
5935 /* Check if we asked for `any' */
5936 if (dwrq->flags == 0) {
5937 /* Just send an empty SSID list */
5938 memset(&SSID_rid, 0, sizeof(SSID_rid));
5940 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5942 /* Check the size of the string */
5943 if (dwrq->length > IW_ESSID_MAX_SIZE)
5946 /* Check if index is valid */
5947 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5951 memset(SSID_rid.ssids[index].ssid, 0,
5952 sizeof(SSID_rid.ssids[index].ssid));
5953 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5954 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5956 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5957 /* Write it to the card */
5958 disable_MAC(local, 1);
5959 writeSsidRid(local, &SSID_rid, 1);
5960 enable_MAC(local, 1);
5965 /*------------------------------------------------------------------*/
5967 * Wireless Handler : get ESSID
5969 static int airo_get_essid(struct net_device *dev,
5970 struct iw_request_info *info,
5971 struct iw_point *dwrq,
5974 struct airo_info *local = dev->ml_priv;
5975 StatusRid status_rid; /* Card status info */
5977 readStatusRid(local, &status_rid, 1);
5979 /* Note : if dwrq->flags != 0, we should
5980 * get the relevant SSID from the SSID list... */
5982 /* Get the current SSID */
5983 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5984 /* If none, we may want to get the one that was set */
5987 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5988 dwrq->flags = 1; /* active */
5993 /*------------------------------------------------------------------*/
5995 * Wireless Handler : set AP address
5997 static int airo_set_wap(struct net_device *dev,
5998 struct iw_request_info *info,
5999 struct sockaddr *awrq,
6002 struct airo_info *local = dev->ml_priv;
6005 APListRid APList_rid;
6006 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
6007 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6009 if (awrq->sa_family != ARPHRD_ETHER)
6011 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6012 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6013 memset(&cmd, 0, sizeof(cmd));
6014 cmd.cmd=CMD_LOSE_SYNC;
6015 if (down_interruptible(&local->sem))
6016 return -ERESTARTSYS;
6017 issuecommand(local, &cmd, &rsp);
6020 memset(&APList_rid, 0, sizeof(APList_rid));
6021 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6022 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6023 disable_MAC(local, 1);
6024 writeAPListRid(local, &APList_rid, 1);
6025 enable_MAC(local, 1);
6030 /*------------------------------------------------------------------*/
6032 * Wireless Handler : get AP address
6034 static int airo_get_wap(struct net_device *dev,
6035 struct iw_request_info *info,
6036 struct sockaddr *awrq,
6039 struct airo_info *local = dev->ml_priv;
6040 StatusRid status_rid; /* Card status info */
6042 readStatusRid(local, &status_rid, 1);
6044 /* Tentative. This seems to work, wow, I'm lucky !!! */
6045 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6046 awrq->sa_family = ARPHRD_ETHER;
6051 /*------------------------------------------------------------------*/
6053 * Wireless Handler : set Nickname
6055 static int airo_set_nick(struct net_device *dev,
6056 struct iw_request_info *info,
6057 struct iw_point *dwrq,
6060 struct airo_info *local = dev->ml_priv;
6062 /* Check the size of the string */
6063 if(dwrq->length > 16) {
6066 readConfigRid(local, 1);
6067 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6068 memcpy(local->config.nodeName, extra, dwrq->length);
6069 set_bit (FLAG_COMMIT, &local->flags);
6071 return -EINPROGRESS; /* Call commit handler */
6074 /*------------------------------------------------------------------*/
6076 * Wireless Handler : get Nickname
6078 static int airo_get_nick(struct net_device *dev,
6079 struct iw_request_info *info,
6080 struct iw_point *dwrq,
6083 struct airo_info *local = dev->ml_priv;
6085 readConfigRid(local, 1);
6086 strncpy(extra, local->config.nodeName, 16);
6088 dwrq->length = strlen(extra);
6093 /*------------------------------------------------------------------*/
6095 * Wireless Handler : set Bit-Rate
6097 static int airo_set_rate(struct net_device *dev,
6098 struct iw_request_info *info,
6099 struct iw_param *vwrq,
6102 struct airo_info *local = dev->ml_priv;
6103 CapabilityRid cap_rid; /* Card capability info */
6107 /* First : get a valid bit rate value */
6108 readCapabilityRid(local, &cap_rid, 1);
6110 /* Which type of value ? */
6111 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6112 /* Setting by rate index */
6113 /* Find value in the magic rate table */
6114 brate = cap_rid.supportedRates[vwrq->value];
6116 /* Setting by frequency value */
6117 u8 normvalue = (u8) (vwrq->value/500000);
6119 /* Check if rate is valid */
6120 for(i = 0 ; i < 8 ; i++) {
6121 if(normvalue == cap_rid.supportedRates[i]) {
6127 /* -1 designed the max rate (mostly auto mode) */
6128 if(vwrq->value == -1) {
6129 /* Get the highest available rate */
6130 for(i = 0 ; i < 8 ; i++) {
6131 if(cap_rid.supportedRates[i] == 0)
6135 brate = cap_rid.supportedRates[i - 1];
6137 /* Check that it is valid */
6142 readConfigRid(local, 1);
6143 /* Now, check if we want a fixed or auto value */
6144 if(vwrq->fixed == 0) {
6145 /* Fill all the rates up to this max rate */
6146 memset(local->config.rates, 0, 8);
6147 for(i = 0 ; i < 8 ; i++) {
6148 local->config.rates[i] = cap_rid.supportedRates[i];
6149 if(local->config.rates[i] == brate)
6154 /* One rate, fixed */
6155 memset(local->config.rates, 0, 8);
6156 local->config.rates[0] = brate;
6158 set_bit (FLAG_COMMIT, &local->flags);
6160 return -EINPROGRESS; /* Call commit handler */
6163 /*------------------------------------------------------------------*/
6165 * Wireless Handler : get Bit-Rate
6167 static int airo_get_rate(struct net_device *dev,
6168 struct iw_request_info *info,
6169 struct iw_param *vwrq,
6172 struct airo_info *local = dev->ml_priv;
6173 StatusRid status_rid; /* Card status info */
6175 readStatusRid(local, &status_rid, 1);
6177 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6178 /* If more than one rate, set auto */
6179 readConfigRid(local, 1);
6180 vwrq->fixed = (local->config.rates[1] == 0);
6185 /*------------------------------------------------------------------*/
6187 * Wireless Handler : set RTS threshold
6189 static int airo_set_rts(struct net_device *dev,
6190 struct iw_request_info *info,
6191 struct iw_param *vwrq,
6194 struct airo_info *local = dev->ml_priv;
6195 int rthr = vwrq->value;
6198 rthr = AIRO_DEF_MTU;
6199 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6202 readConfigRid(local, 1);
6203 local->config.rtsThres = cpu_to_le16(rthr);
6204 set_bit (FLAG_COMMIT, &local->flags);
6206 return -EINPROGRESS; /* Call commit handler */
6209 /*------------------------------------------------------------------*/
6211 * Wireless Handler : get RTS threshold
6213 static int airo_get_rts(struct net_device *dev,
6214 struct iw_request_info *info,
6215 struct iw_param *vwrq,
6218 struct airo_info *local = dev->ml_priv;
6220 readConfigRid(local, 1);
6221 vwrq->value = le16_to_cpu(local->config.rtsThres);
6222 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6228 /*------------------------------------------------------------------*/
6230 * Wireless Handler : set Fragmentation threshold
6232 static int airo_set_frag(struct net_device *dev,
6233 struct iw_request_info *info,
6234 struct iw_param *vwrq,
6237 struct airo_info *local = dev->ml_priv;
6238 int fthr = vwrq->value;
6241 fthr = AIRO_DEF_MTU;
6242 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6245 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6246 readConfigRid(local, 1);
6247 local->config.fragThresh = cpu_to_le16(fthr);
6248 set_bit (FLAG_COMMIT, &local->flags);
6250 return -EINPROGRESS; /* Call commit handler */
6253 /*------------------------------------------------------------------*/
6255 * Wireless Handler : get Fragmentation threshold
6257 static int airo_get_frag(struct net_device *dev,
6258 struct iw_request_info *info,
6259 struct iw_param *vwrq,
6262 struct airo_info *local = dev->ml_priv;
6264 readConfigRid(local, 1);
6265 vwrq->value = le16_to_cpu(local->config.fragThresh);
6266 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6272 /*------------------------------------------------------------------*/
6274 * Wireless Handler : set Mode of Operation
6276 static int airo_set_mode(struct net_device *dev,
6277 struct iw_request_info *info,
6281 struct airo_info *local = dev->ml_priv;
6284 readConfigRid(local, 1);
6285 if (sniffing_mode(local))
6290 local->config.opmode &= ~MODE_CFG_MASK;
6291 local->config.opmode |= MODE_STA_IBSS;
6292 local->config.rmode &= ~RXMODE_FULL_MASK;
6293 local->config.scanMode = SCANMODE_ACTIVE;
6294 clear_bit (FLAG_802_11, &local->flags);
6297 local->config.opmode &= ~MODE_CFG_MASK;
6298 local->config.opmode |= MODE_STA_ESS;
6299 local->config.rmode &= ~RXMODE_FULL_MASK;
6300 local->config.scanMode = SCANMODE_ACTIVE;
6301 clear_bit (FLAG_802_11, &local->flags);
6303 case IW_MODE_MASTER:
6304 local->config.opmode &= ~MODE_CFG_MASK;
6305 local->config.opmode |= MODE_AP;
6306 local->config.rmode &= ~RXMODE_FULL_MASK;
6307 local->config.scanMode = SCANMODE_ACTIVE;
6308 clear_bit (FLAG_802_11, &local->flags);
6310 case IW_MODE_REPEAT:
6311 local->config.opmode &= ~MODE_CFG_MASK;
6312 local->config.opmode |= MODE_AP_RPTR;
6313 local->config.rmode &= ~RXMODE_FULL_MASK;
6314 local->config.scanMode = SCANMODE_ACTIVE;
6315 clear_bit (FLAG_802_11, &local->flags);
6317 case IW_MODE_MONITOR:
6318 local->config.opmode &= ~MODE_CFG_MASK;
6319 local->config.opmode |= MODE_STA_ESS;
6320 local->config.rmode &= ~RXMODE_FULL_MASK;
6321 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6322 local->config.scanMode = SCANMODE_PASSIVE;
6323 set_bit (FLAG_802_11, &local->flags);
6329 set_bit (FLAG_RESET, &local->flags);
6330 set_bit (FLAG_COMMIT, &local->flags);
6332 return -EINPROGRESS; /* Call commit handler */
6335 /*------------------------------------------------------------------*/
6337 * Wireless Handler : get Mode of Operation
6339 static int airo_get_mode(struct net_device *dev,
6340 struct iw_request_info *info,
6344 struct airo_info *local = dev->ml_priv;
6346 readConfigRid(local, 1);
6347 /* If not managed, assume it's ad-hoc */
6348 switch (local->config.opmode & MODE_CFG_MASK) {
6350 *uwrq = IW_MODE_INFRA;
6353 *uwrq = IW_MODE_MASTER;
6356 *uwrq = IW_MODE_REPEAT;
6359 *uwrq = IW_MODE_ADHOC;
6365 static inline int valid_index(struct airo_info *ai, int index)
6367 return (index >= 0) && (index <= ai->max_wep_idx);
6370 /*------------------------------------------------------------------*/
6372 * Wireless Handler : set Encryption Key
6374 static int airo_set_encode(struct net_device *dev,
6375 struct iw_request_info *info,
6376 struct iw_point *dwrq,
6379 struct airo_info *local = dev->ml_priv;
6380 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6381 __le16 currentAuthType = local->config.authType;
6384 if (!local->wep_capable)
6387 readConfigRid(local, 1);
6389 /* Basic checking: do we have a key to set ?
6390 * Note : with the new API, it's impossible to get a NULL pointer.
6391 * Therefore, we need to check a key size == 0 instead.
6392 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6393 * when no key is present (only change flags), but older versions
6394 * don't do it. - Jean II */
6395 if (dwrq->length > 0) {
6397 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6400 /* Check the size of the key */
6401 if (dwrq->length > MAX_KEY_SIZE) {
6405 current_index = get_wep_tx_idx(local);
6406 if (current_index < 0)
6409 /* Check the index (none -> use current) */
6410 if (!valid_index(local, index))
6411 index = current_index;
6413 /* Set the length */
6414 if (dwrq->length > MIN_KEY_SIZE)
6415 key.len = MAX_KEY_SIZE;
6417 key.len = MIN_KEY_SIZE;
6418 /* Check if the key is not marked as invalid */
6419 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6421 memset(key.key, 0, MAX_KEY_SIZE);
6422 /* Copy the key in the driver */
6423 memcpy(key.key, extra, dwrq->length);
6424 /* Send the key to the card */
6425 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6427 airo_print_err(local->dev->name, "failed to set"
6428 " WEP key at index %d: %d.",
6433 /* WE specify that if a valid key is set, encryption
6434 * should be enabled (user may turn it off later)
6435 * This is also how "iwconfig ethX key on" works */
6436 if((index == current_index) && (key.len > 0) &&
6437 (local->config.authType == AUTH_OPEN)) {
6438 local->config.authType = AUTH_ENCRYPT;
6441 /* Do we want to just set the transmit key index ? */
6442 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6443 if (valid_index(local, index)) {
6444 rc = set_wep_tx_idx(local, index, perm, 1);
6446 airo_print_err(local->dev->name, "failed to set"
6447 " WEP transmit index to %d: %d.",
6452 /* Don't complain if only change the mode */
6453 if (!(dwrq->flags & IW_ENCODE_MODE))
6457 /* Read the flags */
6458 if(dwrq->flags & IW_ENCODE_DISABLED)
6459 local->config.authType = AUTH_OPEN; // disable encryption
6460 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6461 local->config.authType = AUTH_SHAREDKEY; // Only Both
6462 if(dwrq->flags & IW_ENCODE_OPEN)
6463 local->config.authType = AUTH_ENCRYPT; // Only Wep
6464 /* Commit the changes to flags if needed */
6465 if (local->config.authType != currentAuthType)
6466 set_bit (FLAG_COMMIT, &local->flags);
6467 return -EINPROGRESS; /* Call commit handler */
6470 /*------------------------------------------------------------------*/
6472 * Wireless Handler : get Encryption Key
6474 static int airo_get_encode(struct net_device *dev,
6475 struct iw_request_info *info,
6476 struct iw_point *dwrq,
6479 struct airo_info *local = dev->ml_priv;
6480 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6484 if (!local->wep_capable)
6487 readConfigRid(local, 1);
6489 /* Check encryption mode */
6490 switch(local->config.authType) {
6492 dwrq->flags = IW_ENCODE_OPEN;
6494 case AUTH_SHAREDKEY:
6495 dwrq->flags = IW_ENCODE_RESTRICTED;
6499 dwrq->flags = IW_ENCODE_DISABLED;
6502 /* We can't return the key, so set the proper flag and return zero */
6503 dwrq->flags |= IW_ENCODE_NOKEY;
6504 memset(extra, 0, 16);
6506 /* Which key do we want ? -1 -> tx index */
6507 if (!valid_index(local, index)) {
6508 index = get_wep_tx_idx(local);
6512 dwrq->flags |= index + 1;
6514 /* Copy the key to the user buffer */
6515 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6516 if (wep_key_len < 0) {
6519 dwrq->length = wep_key_len;
6520 memcpy(extra, buf, dwrq->length);
6526 /*------------------------------------------------------------------*/
6528 * Wireless Handler : set extended Encryption parameters
6530 static int airo_set_encodeext(struct net_device *dev,
6531 struct iw_request_info *info,
6532 union iwreq_data *wrqu,
6535 struct airo_info *local = dev->ml_priv;
6536 struct iw_point *encoding = &wrqu->encoding;
6537 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6538 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6539 __le16 currentAuthType = local->config.authType;
6540 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6543 if (!local->wep_capable)
6546 readConfigRid(local, 1);
6548 /* Determine and validate the key index */
6549 idx = encoding->flags & IW_ENCODE_INDEX;
6551 if (!valid_index(local, idx - 1))
6555 idx = get_wep_tx_idx(local);
6560 if (encoding->flags & IW_ENCODE_DISABLED)
6561 alg = IW_ENCODE_ALG_NONE;
6563 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6564 /* Only set transmit key index here, actual
6565 * key is set below if needed.
6567 rc = set_wep_tx_idx(local, idx, perm, 1);
6569 airo_print_err(local->dev->name, "failed to set "
6570 "WEP transmit index to %d: %d.",
6574 set_key = ext->key_len > 0 ? 1 : 0;
6578 /* Set the requested key first */
6579 memset(key.key, 0, MAX_KEY_SIZE);
6581 case IW_ENCODE_ALG_NONE:
6584 case IW_ENCODE_ALG_WEP:
6585 if (ext->key_len > MIN_KEY_SIZE) {
6586 key.len = MAX_KEY_SIZE;
6587 } else if (ext->key_len > 0) {
6588 key.len = MIN_KEY_SIZE;
6592 key_len = min (ext->key_len, key.len);
6593 memcpy(key.key, ext->key, key_len);
6599 rc = set_wep_tx_idx(local, idx, perm, 1);
6601 airo_print_err(local->dev->name,
6602 "failed to set WEP transmit index to %d: %d.",
6607 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6609 airo_print_err(local->dev->name,
6610 "failed to set WEP key at index %d: %d.",
6617 /* Read the flags */
6618 if(encoding->flags & IW_ENCODE_DISABLED)
6619 local->config.authType = AUTH_OPEN; // disable encryption
6620 if(encoding->flags & IW_ENCODE_RESTRICTED)
6621 local->config.authType = AUTH_SHAREDKEY; // Only Both
6622 if(encoding->flags & IW_ENCODE_OPEN)
6623 local->config.authType = AUTH_ENCRYPT; // Only Wep
6624 /* Commit the changes to flags if needed */
6625 if (local->config.authType != currentAuthType)
6626 set_bit (FLAG_COMMIT, &local->flags);
6628 return -EINPROGRESS;
6632 /*------------------------------------------------------------------*/
6634 * Wireless Handler : get extended Encryption parameters
6636 static int airo_get_encodeext(struct net_device *dev,
6637 struct iw_request_info *info,
6638 union iwreq_data *wrqu,
6641 struct airo_info *local = dev->ml_priv;
6642 struct iw_point *encoding = &wrqu->encoding;
6643 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6644 int idx, max_key_len, wep_key_len;
6647 if (!local->wep_capable)
6650 readConfigRid(local, 1);
6652 max_key_len = encoding->length - sizeof(*ext);
6653 if (max_key_len < 0)
6656 idx = encoding->flags & IW_ENCODE_INDEX;
6658 if (!valid_index(local, idx - 1))
6662 idx = get_wep_tx_idx(local);
6667 encoding->flags = idx + 1;
6668 memset(ext, 0, sizeof(*ext));
6670 /* Check encryption mode */
6671 switch(local->config.authType) {
6673 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6675 case AUTH_SHAREDKEY:
6676 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6680 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6683 /* We can't return the key, so set the proper flag and return zero */
6684 encoding->flags |= IW_ENCODE_NOKEY;
6685 memset(extra, 0, 16);
6687 /* Copy the key to the user buffer */
6688 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6689 if (wep_key_len < 0) {
6692 ext->key_len = wep_key_len;
6693 memcpy(extra, buf, ext->key_len);
6700 /*------------------------------------------------------------------*/
6702 * Wireless Handler : set extended authentication parameters
6704 static int airo_set_auth(struct net_device *dev,
6705 struct iw_request_info *info,
6706 union iwreq_data *wrqu, char *extra)
6708 struct airo_info *local = dev->ml_priv;
6709 struct iw_param *param = &wrqu->param;
6710 __le16 currentAuthType = local->config.authType;
6712 switch (param->flags & IW_AUTH_INDEX) {
6713 case IW_AUTH_WPA_VERSION:
6714 case IW_AUTH_CIPHER_PAIRWISE:
6715 case IW_AUTH_CIPHER_GROUP:
6716 case IW_AUTH_KEY_MGMT:
6717 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6718 case IW_AUTH_PRIVACY_INVOKED:
6720 * airo does not use these parameters
6724 case IW_AUTH_DROP_UNENCRYPTED:
6726 /* Only change auth type if unencrypted */
6727 if (currentAuthType == AUTH_OPEN)
6728 local->config.authType = AUTH_ENCRYPT;
6730 local->config.authType = AUTH_OPEN;
6733 /* Commit the changes to flags if needed */
6734 if (local->config.authType != currentAuthType)
6735 set_bit (FLAG_COMMIT, &local->flags);
6738 case IW_AUTH_80211_AUTH_ALG: {
6739 /* FIXME: What about AUTH_OPEN? This API seems to
6740 * disallow setting our auth to AUTH_OPEN.
6742 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6743 local->config.authType = AUTH_SHAREDKEY;
6744 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6745 local->config.authType = AUTH_ENCRYPT;
6749 /* Commit the changes to flags if needed */
6750 if (local->config.authType != currentAuthType)
6751 set_bit (FLAG_COMMIT, &local->flags);
6755 case IW_AUTH_WPA_ENABLED:
6756 /* Silently accept disable of WPA */
6757 if (param->value > 0)
6764 return -EINPROGRESS;
6768 /*------------------------------------------------------------------*/
6770 * Wireless Handler : get extended authentication parameters
6772 static int airo_get_auth(struct net_device *dev,
6773 struct iw_request_info *info,
6774 union iwreq_data *wrqu, char *extra)
6776 struct airo_info *local = dev->ml_priv;
6777 struct iw_param *param = &wrqu->param;
6778 __le16 currentAuthType = local->config.authType;
6780 switch (param->flags & IW_AUTH_INDEX) {
6781 case IW_AUTH_DROP_UNENCRYPTED:
6782 switch (currentAuthType) {
6783 case AUTH_SHAREDKEY:
6793 case IW_AUTH_80211_AUTH_ALG:
6794 switch (currentAuthType) {
6795 case AUTH_SHAREDKEY:
6796 param->value = IW_AUTH_ALG_SHARED_KEY;
6800 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6805 case IW_AUTH_WPA_ENABLED:
6816 /*------------------------------------------------------------------*/
6818 * Wireless Handler : set Tx-Power
6820 static int airo_set_txpow(struct net_device *dev,
6821 struct iw_request_info *info,
6822 struct iw_param *vwrq,
6825 struct airo_info *local = dev->ml_priv;
6826 CapabilityRid cap_rid; /* Card capability info */
6829 __le16 v = cpu_to_le16(vwrq->value);
6831 readCapabilityRid(local, &cap_rid, 1);
6833 if (vwrq->disabled) {
6834 set_bit (FLAG_RADIO_OFF, &local->flags);
6835 set_bit (FLAG_COMMIT, &local->flags);
6836 return -EINPROGRESS; /* Call commit handler */
6838 if (vwrq->flags != IW_TXPOW_MWATT) {
6841 clear_bit (FLAG_RADIO_OFF, &local->flags);
6842 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6843 if (v == cap_rid.txPowerLevels[i]) {
6844 readConfigRid(local, 1);
6845 local->config.txPower = v;
6846 set_bit (FLAG_COMMIT, &local->flags);
6847 rc = -EINPROGRESS; /* Call commit handler */
6853 /*------------------------------------------------------------------*/
6855 * Wireless Handler : get Tx-Power
6857 static int airo_get_txpow(struct net_device *dev,
6858 struct iw_request_info *info,
6859 struct iw_param *vwrq,
6862 struct airo_info *local = dev->ml_priv;
6864 readConfigRid(local, 1);
6865 vwrq->value = le16_to_cpu(local->config.txPower);
6866 vwrq->fixed = 1; /* No power control */
6867 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6868 vwrq->flags = IW_TXPOW_MWATT;
6873 /*------------------------------------------------------------------*/
6875 * Wireless Handler : set Retry limits
6877 static int airo_set_retry(struct net_device *dev,
6878 struct iw_request_info *info,
6879 struct iw_param *vwrq,
6882 struct airo_info *local = dev->ml_priv;
6885 if(vwrq->disabled) {
6888 readConfigRid(local, 1);
6889 if(vwrq->flags & IW_RETRY_LIMIT) {
6890 __le16 v = cpu_to_le16(vwrq->value);
6891 if(vwrq->flags & IW_RETRY_LONG)
6892 local->config.longRetryLimit = v;
6893 else if (vwrq->flags & IW_RETRY_SHORT)
6894 local->config.shortRetryLimit = v;
6896 /* No modifier : set both */
6897 local->config.longRetryLimit = v;
6898 local->config.shortRetryLimit = v;
6900 set_bit (FLAG_COMMIT, &local->flags);
6901 rc = -EINPROGRESS; /* Call commit handler */
6903 if(vwrq->flags & IW_RETRY_LIFETIME) {
6904 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6905 set_bit (FLAG_COMMIT, &local->flags);
6906 rc = -EINPROGRESS; /* Call commit handler */
6911 /*------------------------------------------------------------------*/
6913 * Wireless Handler : get Retry limits
6915 static int airo_get_retry(struct net_device *dev,
6916 struct iw_request_info *info,
6917 struct iw_param *vwrq,
6920 struct airo_info *local = dev->ml_priv;
6922 vwrq->disabled = 0; /* Can't be disabled */
6924 readConfigRid(local, 1);
6925 /* Note : by default, display the min retry number */
6926 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6927 vwrq->flags = IW_RETRY_LIFETIME;
6928 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6929 } else if((vwrq->flags & IW_RETRY_LONG)) {
6930 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6931 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6933 vwrq->flags = IW_RETRY_LIMIT;
6934 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6935 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6936 vwrq->flags |= IW_RETRY_SHORT;
6942 /*------------------------------------------------------------------*/
6944 * Wireless Handler : get range info
6946 static int airo_get_range(struct net_device *dev,
6947 struct iw_request_info *info,
6948 struct iw_point *dwrq,
6951 struct airo_info *local = dev->ml_priv;
6952 struct iw_range *range = (struct iw_range *) extra;
6953 CapabilityRid cap_rid; /* Card capability info */
6957 readCapabilityRid(local, &cap_rid, 1);
6959 dwrq->length = sizeof(struct iw_range);
6960 memset(range, 0, sizeof(*range));
6961 range->min_nwid = 0x0000;
6962 range->max_nwid = 0x0000;
6963 range->num_channels = 14;
6964 /* Should be based on cap_rid.country to give only
6965 * what the current card support */
6967 for(i = 0; i < 14; i++) {
6968 range->freq[k].i = i + 1; /* List index */
6969 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6970 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6972 range->num_frequency = k;
6974 range->sensitivity = 65535;
6976 /* Hum... Should put the right values there */
6978 range->max_qual.qual = 100; /* % */
6980 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6981 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6982 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6984 /* Experimental measurements - boundary 11/5.5 Mb/s */
6985 /* Note : with or without the (local->rssi), results
6986 * are somewhat different. - Jean II */
6988 range->avg_qual.qual = 50; /* % */
6989 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6991 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6992 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6994 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6996 for(i = 0 ; i < 8 ; i++) {
6997 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6998 if(range->bitrate[i] == 0)
7001 range->num_bitrates = i;
7003 /* Set an indication of the max TCP throughput
7004 * in bit/s that we can expect using this interface.
7005 * May be use for QoS stuff... Jean II */
7007 range->throughput = 5000 * 1000;
7009 range->throughput = 1500 * 1000;
7012 range->max_rts = AIRO_DEF_MTU;
7013 range->min_frag = 256;
7014 range->max_frag = AIRO_DEF_MTU;
7016 if(cap_rid.softCap & cpu_to_le16(2)) {
7018 range->encoding_size[0] = 5;
7020 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7021 range->encoding_size[1] = 13;
7022 range->num_encoding_sizes = 2;
7024 range->num_encoding_sizes = 1;
7025 range->max_encoding_tokens =
7026 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7028 range->num_encoding_sizes = 0;
7029 range->max_encoding_tokens = 0;
7032 range->max_pmp = 5000000; /* 5 secs */
7034 range->max_pmt = 65535 * 1024; /* ??? */
7035 range->pmp_flags = IW_POWER_PERIOD;
7036 range->pmt_flags = IW_POWER_TIMEOUT;
7037 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7039 /* Transmit Power - values are in mW */
7040 for(i = 0 ; i < 8 ; i++) {
7041 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7042 if(range->txpower[i] == 0)
7045 range->num_txpower = i;
7046 range->txpower_capa = IW_TXPOW_MWATT;
7047 range->we_version_source = 19;
7048 range->we_version_compiled = WIRELESS_EXT;
7049 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7050 range->retry_flags = IW_RETRY_LIMIT;
7051 range->r_time_flags = IW_RETRY_LIFETIME;
7052 range->min_retry = 1;
7053 range->max_retry = 65535;
7054 range->min_r_time = 1024;
7055 range->max_r_time = 65535 * 1024;
7057 /* Event capability (kernel + driver) */
7058 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7059 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7060 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7061 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7062 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7063 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7067 /*------------------------------------------------------------------*/
7069 * Wireless Handler : set Power Management
7071 static int airo_set_power(struct net_device *dev,
7072 struct iw_request_info *info,
7073 struct iw_param *vwrq,
7076 struct airo_info *local = dev->ml_priv;
7078 readConfigRid(local, 1);
7079 if (vwrq->disabled) {
7080 if (sniffing_mode(local))
7082 local->config.powerSaveMode = POWERSAVE_CAM;
7083 local->config.rmode &= ~RXMODE_MASK;
7084 local->config.rmode |= RXMODE_BC_MC_ADDR;
7085 set_bit (FLAG_COMMIT, &local->flags);
7086 return -EINPROGRESS; /* Call commit handler */
7088 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7089 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7090 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7091 set_bit (FLAG_COMMIT, &local->flags);
7092 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7093 local->config.fastListenInterval =
7094 local->config.listenInterval =
7095 cpu_to_le16((vwrq->value + 500) / 1024);
7096 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7097 set_bit (FLAG_COMMIT, &local->flags);
7099 switch (vwrq->flags & IW_POWER_MODE) {
7100 case IW_POWER_UNICAST_R:
7101 if (sniffing_mode(local))
7103 local->config.rmode &= ~RXMODE_MASK;
7104 local->config.rmode |= RXMODE_ADDR;
7105 set_bit (FLAG_COMMIT, &local->flags);
7107 case IW_POWER_ALL_R:
7108 if (sniffing_mode(local))
7110 local->config.rmode &= ~RXMODE_MASK;
7111 local->config.rmode |= RXMODE_BC_MC_ADDR;
7112 set_bit (FLAG_COMMIT, &local->flags);
7114 /* This is broken, fixme ;-) */
7119 // Note : we may want to factor local->need_commit here
7120 // Note2 : may also want to factor RXMODE_RFMON test
7121 return -EINPROGRESS; /* Call commit handler */
7124 /*------------------------------------------------------------------*/
7126 * Wireless Handler : get Power Management
7128 static int airo_get_power(struct net_device *dev,
7129 struct iw_request_info *info,
7130 struct iw_param *vwrq,
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 struct iw_param *vwrq,
7164 struct airo_info *local = dev->ml_priv;
7166 readConfigRid(local, 1);
7167 local->config.rssiThreshold =
7168 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7169 set_bit (FLAG_COMMIT, &local->flags);
7171 return -EINPROGRESS; /* Call commit handler */
7174 /*------------------------------------------------------------------*/
7176 * Wireless Handler : get Sensitivity
7178 static int airo_get_sens(struct net_device *dev,
7179 struct iw_request_info *info,
7180 struct iw_param *vwrq,
7183 struct airo_info *local = dev->ml_priv;
7185 readConfigRid(local, 1);
7186 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7187 vwrq->disabled = (vwrq->value == 0);
7193 /*------------------------------------------------------------------*/
7195 * Wireless Handler : get AP List
7196 * Note : this is deprecated in favor of IWSCAN
7198 static int airo_get_aplist(struct net_device *dev,
7199 struct iw_request_info *info,
7200 struct iw_point *dwrq,
7203 struct airo_info *local = dev->ml_priv;
7204 struct sockaddr *address = (struct sockaddr *) extra;
7205 struct iw_quality *qual;
7208 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7210 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7214 for (i = 0; i < IW_MAX_AP; i++) {
7216 if (readBSSListRid(local, loseSync, &BSSList))
7219 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7220 address[i].sa_family = ARPHRD_ETHER;
7221 dBm = le16_to_cpu(BSSList.dBm);
7223 qual[i].level = 0x100 - dBm;
7224 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7225 qual[i].updated = IW_QUAL_QUAL_UPDATED
7226 | IW_QUAL_LEVEL_UPDATED
7229 qual[i].level = (dBm + 321) / 2;
7231 qual[i].updated = IW_QUAL_QUAL_INVALID
7232 | IW_QUAL_LEVEL_UPDATED
7235 qual[i].noise = local->wstats.qual.noise;
7236 if (BSSList.index == cpu_to_le16(0xffff))
7240 StatusRid status_rid; /* Card status info */
7241 readStatusRid(local, &status_rid, 1);
7243 i < min(IW_MAX_AP, 4) &&
7244 (status_rid.bssid[i][0]
7245 & status_rid.bssid[i][1]
7246 & status_rid.bssid[i][2]
7247 & status_rid.bssid[i][3]
7248 & status_rid.bssid[i][4]
7249 & status_rid.bssid[i][5])!=0xff &&
7250 (status_rid.bssid[i][0]
7251 | status_rid.bssid[i][1]
7252 | status_rid.bssid[i][2]
7253 | status_rid.bssid[i][3]
7254 | status_rid.bssid[i][4]
7255 | status_rid.bssid[i][5]);
7257 memcpy(address[i].sa_data,
7258 status_rid.bssid[i], ETH_ALEN);
7259 address[i].sa_family = ARPHRD_ETHER;
7262 dwrq->flags = 1; /* Should be define'd */
7263 memcpy(extra + sizeof(struct sockaddr)*i,
7264 &qual, sizeof(struct iw_quality)*i);
7272 /*------------------------------------------------------------------*/
7274 * Wireless Handler : Initiate Scan
7276 static int airo_set_scan(struct net_device *dev,
7277 struct iw_request_info *info,
7278 struct iw_point *dwrq,
7281 struct airo_info *ai = dev->ml_priv;
7286 /* Note : you may have realised that, as this is a SET operation,
7287 * this is privileged and therefore a normal user can't
7289 * This is not an error, while the device perform scanning,
7290 * traffic doesn't flow, so it's a perfect DoS...
7292 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7294 if (down_interruptible(&ai->sem))
7295 return -ERESTARTSYS;
7297 /* If there's already a scan in progress, don't
7298 * trigger another one. */
7299 if (ai->scan_timeout > 0)
7302 /* Initiate a scan command */
7303 ai->scan_timeout = RUN_AT(3*HZ);
7304 memset(&cmd, 0, sizeof(cmd));
7305 cmd.cmd=CMD_LISTBSS;
7306 issuecommand(ai, &cmd, &rsp);
7312 wake_up_interruptible(&ai->thr_wait);
7316 /*------------------------------------------------------------------*/
7318 * Translate scan data returned from the card to a card independent
7319 * format that the Wireless Tools will understand - Jean II
7321 static inline char *airo_translate_scan(struct net_device *dev,
7322 struct iw_request_info *info,
7327 struct airo_info *ai = dev->ml_priv;
7328 struct iw_event iwe; /* Temporary buffer */
7329 __le16 capabilities;
7330 char * current_val; /* For rates */
7335 /* First entry *MUST* be the AP MAC address */
7336 iwe.cmd = SIOCGIWAP;
7337 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7338 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7339 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7340 &iwe, IW_EV_ADDR_LEN);
7342 /* Other entries will be displayed in the order we give them */
7345 iwe.u.data.length = bss->ssidLen;
7346 if(iwe.u.data.length > 32)
7347 iwe.u.data.length = 32;
7348 iwe.cmd = SIOCGIWESSID;
7349 iwe.u.data.flags = 1;
7350 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7354 iwe.cmd = SIOCGIWMODE;
7355 capabilities = bss->cap;
7356 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7357 if(capabilities & CAP_ESS)
7358 iwe.u.mode = IW_MODE_MASTER;
7360 iwe.u.mode = IW_MODE_ADHOC;
7361 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7362 &iwe, IW_EV_UINT_LEN);
7366 iwe.cmd = SIOCGIWFREQ;
7367 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7368 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7370 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7371 &iwe, IW_EV_FREQ_LEN);
7373 dBm = le16_to_cpu(bss->dBm);
7375 /* Add quality statistics */
7378 iwe.u.qual.level = 0x100 - dBm;
7379 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7380 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7381 | IW_QUAL_LEVEL_UPDATED
7384 iwe.u.qual.level = (dBm + 321) / 2;
7385 iwe.u.qual.qual = 0;
7386 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7387 | IW_QUAL_LEVEL_UPDATED
7390 iwe.u.qual.noise = ai->wstats.qual.noise;
7391 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7392 &iwe, IW_EV_QUAL_LEN);
7394 /* Add encryption capability */
7395 iwe.cmd = SIOCGIWENCODE;
7396 if(capabilities & CAP_PRIVACY)
7397 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7399 iwe.u.data.flags = IW_ENCODE_DISABLED;
7400 iwe.u.data.length = 0;
7401 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7404 /* Rate : stuffing multiple values in a single event require a bit
7405 * more of magic - Jean II */
7406 current_val = current_ev + iwe_stream_lcp_len(info);
7408 iwe.cmd = SIOCGIWRATE;
7409 /* Those two flags are ignored... */
7410 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7412 for(i = 0 ; i < 8 ; i++) {
7413 /* NULL terminated */
7414 if(bss->rates[i] == 0)
7416 /* Bit rate given in 500 kb/s units (+ 0x80) */
7417 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7418 /* Add new value to event */
7419 current_val = iwe_stream_add_value(info, current_ev,
7420 current_val, end_buf,
7421 &iwe, IW_EV_PARAM_LEN);
7423 /* Check if we added any event */
7424 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7425 current_ev = current_val;
7427 /* Beacon interval */
7428 buf = kmalloc(30, GFP_KERNEL);
7430 iwe.cmd = IWEVCUSTOM;
7431 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7432 iwe.u.data.length = strlen(buf);
7433 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7438 /* Put WPA/RSN Information Elements into the event stream */
7439 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7440 unsigned int num_null_ies = 0;
7441 u16 length = sizeof (bss->extra.iep);
7442 u8 *ie = (void *)&bss->extra.iep;
7444 while ((length >= 2) && (num_null_ies < 2)) {
7445 if (2 + ie[1] > length) {
7446 /* Invalid element, don't continue parsing IE */
7452 /* Two zero-length SSID elements
7453 * mean we're done parsing elements */
7458 case WLAN_EID_GENERIC:
7464 iwe.cmd = IWEVGENIE;
7465 /* 64 is an arbitrary cut-off */
7466 iwe.u.data.length = min(ie[1] + 2,
7468 current_ev = iwe_stream_add_point(
7475 iwe.cmd = IWEVGENIE;
7476 /* 64 is an arbitrary cut-off */
7477 iwe.u.data.length = min(ie[1] + 2, 64);
7478 current_ev = iwe_stream_add_point(
7479 info, current_ev, end_buf,
7487 length -= 2 + ie[1];
7494 /*------------------------------------------------------------------*/
7496 * Wireless Handler : Read Scan Results
7498 static int airo_get_scan(struct net_device *dev,
7499 struct iw_request_info *info,
7500 struct iw_point *dwrq,
7503 struct airo_info *ai = dev->ml_priv;
7504 BSSListElement *net;
7506 char *current_ev = extra;
7508 /* If a scan is in-progress, return -EAGAIN */
7509 if (ai->scan_timeout > 0)
7512 if (down_interruptible(&ai->sem))
7515 list_for_each_entry (net, &ai->network_list, list) {
7516 /* Translate to WE format this entry */
7517 current_ev = airo_translate_scan(dev, info, current_ev,
7518 extra + dwrq->length,
7521 /* Check if there is space for one more entry */
7522 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7523 /* Ask user space to try again with a bigger buffer */
7529 /* Length of data */
7530 dwrq->length = (current_ev - extra);
7531 dwrq->flags = 0; /* todo */
7538 /*------------------------------------------------------------------*/
7540 * Commit handler : called after a bunch of SET operations
7542 static int airo_config_commit(struct net_device *dev,
7543 struct iw_request_info *info, /* NULL */
7544 void *zwrq, /* NULL */
7545 char *extra) /* NULL */
7547 struct airo_info *local = dev->ml_priv;
7549 if (!test_bit (FLAG_COMMIT, &local->flags))
7552 /* Some of the "SET" function may have modified some of the
7553 * parameters. It's now time to commit them in the card */
7554 disable_MAC(local, 1);
7555 if (test_bit (FLAG_RESET, &local->flags)) {
7556 APListRid APList_rid;
7559 readAPListRid(local, &APList_rid);
7560 readSsidRid(local, &SSID_rid);
7561 if (test_bit(FLAG_MPI,&local->flags))
7562 setup_card(local, dev->dev_addr, 1 );
7564 reset_airo_card(dev);
7565 disable_MAC(local, 1);
7566 writeSsidRid(local, &SSID_rid, 1);
7567 writeAPListRid(local, &APList_rid, 1);
7569 if (down_interruptible(&local->sem))
7570 return -ERESTARTSYS;
7571 writeConfigRid(local, 0);
7572 enable_MAC(local, 0);
7573 if (test_bit (FLAG_RESET, &local->flags))
7574 airo_set_promisc(local);
7581 /*------------------------------------------------------------------*/
7583 * Structures to export the Wireless Handlers
7586 static const struct iw_priv_args airo_private_args[] = {
7587 /*{ cmd, set_args, get_args, name } */
7588 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7589 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7590 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7591 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7594 static const iw_handler airo_handler[] =
7596 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7597 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7598 (iw_handler) NULL, /* SIOCSIWNWID */
7599 (iw_handler) NULL, /* SIOCGIWNWID */
7600 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7601 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7602 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7603 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7604 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7605 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7606 (iw_handler) NULL, /* SIOCSIWRANGE */
7607 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7608 (iw_handler) NULL, /* SIOCSIWPRIV */
7609 (iw_handler) NULL, /* SIOCGIWPRIV */
7610 (iw_handler) NULL, /* SIOCSIWSTATS */
7611 (iw_handler) NULL, /* SIOCGIWSTATS */
7612 iw_handler_set_spy, /* SIOCSIWSPY */
7613 iw_handler_get_spy, /* SIOCGIWSPY */
7614 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7615 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7616 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7617 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7618 (iw_handler) NULL, /* -- hole -- */
7619 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7620 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7621 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7622 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7623 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7624 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7625 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7626 (iw_handler) NULL, /* -- hole -- */
7627 (iw_handler) NULL, /* -- hole -- */
7628 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7629 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7630 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7631 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7632 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7633 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7634 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7635 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7636 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7637 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7638 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7639 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7640 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7641 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7642 (iw_handler) NULL, /* -- hole -- */
7643 (iw_handler) NULL, /* -- hole -- */
7644 (iw_handler) NULL, /* SIOCSIWGENIE */
7645 (iw_handler) NULL, /* SIOCGIWGENIE */
7646 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7647 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7648 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7649 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7650 (iw_handler) NULL, /* SIOCSIWPMKSA */
7653 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7654 * We want to force the use of the ioctl code, because those can't be
7655 * won't work the iw_handler code (because they simultaneously read
7656 * and write data and iw_handler can't do that).
7657 * Note that it's perfectly legal to read/write on a single ioctl command,
7658 * you just can't use iwpriv and need to force it via the ioctl handler.
7660 static const iw_handler airo_private_handler[] =
7662 NULL, /* SIOCIWFIRSTPRIV */
7665 static const struct iw_handler_def airo_handler_def =
7667 .num_standard = ARRAY_SIZE(airo_handler),
7668 .num_private = ARRAY_SIZE(airo_private_handler),
7669 .num_private_args = ARRAY_SIZE(airo_private_args),
7670 .standard = airo_handler,
7671 .private = airo_private_handler,
7672 .private_args = airo_private_args,
7673 .get_wireless_stats = airo_get_wireless_stats,
7677 * This defines the configuration part of the Wireless Extensions
7678 * Note : irq and spinlock protection will occur in the subroutines
7681 * o Check input value more carefully and fill correct values in range
7682 * o Test and shakeout the bugs (if any)
7686 * Javier Achirica did a great job of merging code from the unnamed CISCO
7687 * developer that added support for flashing the card.
7689 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7692 struct airo_info *ai = dev->ml_priv;
7694 if (ai->power.event)
7704 int val = AIROMAGIC;
7706 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7708 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7717 /* Get the command struct and hand it off for evaluation by
7718 * the proper subfunction
7722 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7727 /* Separate R/W functions bracket legality here
7729 if ( com.command == AIRORSWVERSION ) {
7730 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7735 else if ( com.command <= AIRORRID)
7736 rc = readrids(dev,&com);
7737 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7738 rc = writerids(dev,&com);
7739 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7740 rc = flashcard(dev,&com);
7742 rc = -EINVAL; /* Bad command in ioctl */
7745 #endif /* CISCO_EXT */
7747 // All other calls are currently unsupported
7755 * Get the Wireless stats out of the driver
7756 * Note : irq and spinlock protection will occur in the subroutines
7759 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7763 static void airo_read_wireless_stats(struct airo_info *local)
7765 StatusRid status_rid;
7767 CapabilityRid cap_rid;
7768 __le32 *vals = stats_rid.vals;
7770 /* Get stats out of the card */
7771 clear_bit(JOB_WSTATS, &local->jobs);
7772 if (local->power.event) {
7776 readCapabilityRid(local, &cap_rid, 0);
7777 readStatusRid(local, &status_rid, 0);
7778 readStatsRid(local, &stats_rid, RID_STATS, 0);
7782 local->wstats.status = le16_to_cpu(status_rid.mode);
7784 /* Signal quality and co */
7786 local->wstats.qual.level =
7787 airo_rssi_to_dbm(local->rssi,
7788 le16_to_cpu(status_rid.sigQuality));
7789 /* normalizedSignalStrength appears to be a percentage */
7790 local->wstats.qual.qual =
7791 le16_to_cpu(status_rid.normalizedSignalStrength);
7793 local->wstats.qual.level =
7794 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7795 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7797 if (le16_to_cpu(status_rid.len) >= 124) {
7798 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7799 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7801 local->wstats.qual.noise = 0;
7802 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7805 /* Packets discarded in the wireless adapter due to wireless
7806 * specific problems */
7807 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7808 le32_to_cpu(vals[57]) +
7809 le32_to_cpu(vals[58]); /* SSID Mismatch */
7810 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7811 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7812 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7813 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7814 le32_to_cpu(vals[32]);
7815 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7818 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7820 struct airo_info *local = dev->ml_priv;
7822 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7823 /* Get stats out of the card if available */
7824 if (down_trylock(&local->sem) != 0) {
7825 set_bit(JOB_WSTATS, &local->jobs);
7826 wake_up_interruptible(&local->thr_wait);
7828 airo_read_wireless_stats(local);
7831 return &local->wstats;
7836 * This just translates from driver IOCTL codes to the command codes to
7837 * feed to the radio's host interface. Things can be added/deleted
7838 * as needed. This represents the READ side of control I/O to
7841 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7842 unsigned short ridcode;
7843 unsigned char *iobuf;
7845 struct airo_info *ai = dev->ml_priv;
7847 if (test_bit(FLAG_FLASHING, &ai->flags))
7850 switch(comp->command)
7852 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7853 case AIROGCFG: ridcode = RID_CONFIG;
7854 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7855 disable_MAC (ai, 1);
7856 writeConfigRid (ai, 1);
7860 case AIROGSLIST: ridcode = RID_SSID; break;
7861 case AIROGVLIST: ridcode = RID_APLIST; break;
7862 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7863 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7864 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7865 /* Only super-user can read WEP keys */
7866 if (!capable(CAP_NET_ADMIN))
7869 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7870 /* Only super-user can read WEP keys */
7871 if (!capable(CAP_NET_ADMIN))
7874 case AIROGSTAT: ridcode = RID_STATUS; break;
7875 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7876 case AIROGSTATSC32: ridcode = RID_STATS; break;
7878 if (copy_to_user(comp->data, &ai->micstats,
7879 min((int)comp->len,(int)sizeof(ai->micstats))))
7882 case AIRORRID: ridcode = comp->ridnum; break;
7888 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7891 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7892 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7893 * then return it to the user
7894 * 9/22/2000 Honor user given length
7898 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7907 * Danger Will Robinson write the rids here
7910 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7911 struct airo_info *ai = dev->ml_priv;
7914 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7915 unsigned char *iobuf;
7917 /* Only super-user can write RIDs */
7918 if (!capable(CAP_NET_ADMIN))
7921 if (test_bit(FLAG_FLASHING, &ai->flags))
7925 writer = do_writerid;
7927 switch(comp->command)
7929 case AIROPSIDS: ridcode = RID_SSID; break;
7930 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7931 case AIROPAPLIST: ridcode = RID_APLIST; break;
7932 case AIROPCFG: ai->config.len = 0;
7933 clear_bit(FLAG_COMMIT, &ai->flags);
7934 ridcode = RID_CONFIG; break;
7935 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7936 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7937 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7938 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7940 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7941 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7943 /* this is not really a rid but a command given to the card
7947 if (enable_MAC(ai, 1) != 0)
7952 * Evidently this code in the airo driver does not get a symbol
7953 * as disable_MAC. it's probably so short the compiler does not gen one.
7959 /* This command merely clears the counts does not actually store any data
7960 * only reads rid. But as it changes the cards state, I put it in the
7961 * writerid routines.
7964 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7967 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7969 enabled = ai->micstats.enabled;
7970 memset(&ai->micstats,0,sizeof(ai->micstats));
7971 ai->micstats.enabled = enabled;
7973 if (copy_to_user(comp->data, iobuf,
7974 min((int)comp->len, (int)RIDSIZE))) {
7982 return -EOPNOTSUPP; /* Blarg! */
7984 if(comp->len > RIDSIZE)
7987 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7990 if (copy_from_user(iobuf,comp->data,comp->len)) {
7995 if (comp->command == AIROPCFG) {
7996 ConfigRid *cfg = (ConfigRid *)iobuf;
7998 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7999 cfg->opmode |= MODE_MIC;
8001 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
8002 set_bit (FLAG_ADHOC, &ai->flags);
8004 clear_bit (FLAG_ADHOC, &ai->flags);
8007 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8015 /*****************************************************************************
8016 * Ancillary flash / mod functions much black magic lurkes here *
8017 *****************************************************************************
8021 * Flash command switch table
8024 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8027 /* Only super-user can modify flash */
8028 if (!capable(CAP_NET_ADMIN))
8031 switch(comp->command)
8034 return cmdreset((struct airo_info *)dev->ml_priv);
8037 if (!AIRO_FLASH(dev) &&
8038 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8040 return setflashmode((struct airo_info *)dev->ml_priv);
8042 case AIROFLSHGCHR: /* Get char from aux */
8043 if(comp->len != sizeof(int))
8045 if (copy_from_user(&z,comp->data,comp->len))
8047 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8049 case AIROFLSHPCHR: /* Send char to card. */
8050 if(comp->len != sizeof(int))
8052 if (copy_from_user(&z,comp->data,comp->len))
8054 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8056 case AIROFLPUTBUF: /* Send 32k to card */
8057 if (!AIRO_FLASH(dev))
8059 if(comp->len > FLASHSIZE)
8061 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8064 flashputbuf((struct airo_info *)dev->ml_priv);
8068 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8075 #define FLASH_COMMAND 0x7e7e
8079 * Disable MAC and do soft reset on
8083 static int cmdreset(struct airo_info *ai) {
8087 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8091 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8093 ssleep(1); /* WAS 600 12/7/00 */
8096 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8103 * Put the card in legendary flash
8107 static int setflashmode (struct airo_info *ai) {
8108 set_bit (FLAG_FLASHING, &ai->flags);
8110 OUT4500(ai, SWS0, FLASH_COMMAND);
8111 OUT4500(ai, SWS1, FLASH_COMMAND);
8113 OUT4500(ai, SWS0, FLASH_COMMAND);
8114 OUT4500(ai, COMMAND,0x10);
8116 OUT4500(ai, SWS2, FLASH_COMMAND);
8117 OUT4500(ai, SWS3, FLASH_COMMAND);
8118 OUT4500(ai, COMMAND,0);
8120 msleep(500); /* 500ms delay */
8123 clear_bit (FLAG_FLASHING, &ai->flags);
8124 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8130 /* Put character to SWS0 wait for dwelltime
8134 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8145 /* Wait for busy bit d15 to go false indicating buffer empty */
8146 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8151 /* timeout for busy clear wait */
8153 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8157 /* Port is clear now write byte and wait for it to echo back */
8159 OUT4500(ai,SWS0,byte);
8162 echo = IN4500(ai,SWS1);
8163 } while (dwelltime >= 0 && echo != byte);
8167 return (echo == byte) ? 0 : -EIO;
8171 * Get a character from the card matching matchbyte
8174 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8176 unsigned char rbyte=0;
8179 rchar = IN4500(ai,SWS1);
8181 if(dwelltime && !(0x8000 & rchar)){
8186 rbyte = 0xff & rchar;
8188 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8192 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8196 }while(dwelltime > 0);
8201 * Transfer 32k of firmware data from user buffer to our buffer and
8205 static int flashputbuf(struct airo_info *ai){
8209 if (test_bit(FLAG_MPI,&ai->flags))
8210 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8212 OUT4500(ai,AUXPAGE,0x100);
8213 OUT4500(ai,AUXOFF,0);
8215 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8216 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8219 OUT4500(ai,SWS0,0x8000);
8227 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8230 ssleep(1); /* Added 12/7/00 */
8231 clear_bit (FLAG_FLASHING, &ai->flags);
8232 if (test_bit(FLAG_MPI, &ai->flags)) {
8233 status = mpi_init_descriptors(ai);
8234 if (status != SUCCESS)
8237 status = setup_card(ai, dev->dev_addr, 1);
8239 if (!test_bit(FLAG_MPI,&ai->flags))
8240 for( i = 0; i < MAX_FIDS; i++ ) {
8241 ai->fids[i] = transmit_allocate
8242 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8245 ssleep(1); /* Added 12/7/00 */
8248 #endif /* CISCO_EXT */
8251 This program is free software; you can redistribute it and/or
8252 modify it under the terms of the GNU General Public License
8253 as published by the Free Software Foundation; either version 2
8254 of the License, or (at your option) any later version.
8256 This program is distributed in the hope that it will be useful,
8257 but WITHOUT ANY WARRANTY; without even the implied warranty of
8258 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8259 GNU General Public License for more details.
8263 Redistribution and use in source and binary forms, with or without
8264 modification, are permitted provided that the following conditions
8267 1. Redistributions of source code must retain the above copyright
8268 notice, this list of conditions and the following disclaimer.
8269 2. Redistributions in binary form must reproduce the above copyright
8270 notice, this list of conditions and the following disclaimer in the
8271 documentation and/or other materials provided with the distribution.
8272 3. The name of the author may not be used to endorse or promote
8273 products derived from this software without specific prior written
8276 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8277 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8278 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8279 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8280 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8281 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8282 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8283 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8284 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8285 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8286 POSSIBILITY OF SUCH DAMAGE.
8289 module_init(airo_init_module);
8290 module_exit(airo_cleanup_module);