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 const 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;
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
518 typedef struct SsidRid SsidRid;
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)
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)
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
716 typedef struct StatsRid StatsRid;
723 typedef struct APListRid APListRid;
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];
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
763 u8 fixed[12]; /* WLAN management frame */
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;
803 struct list_head list;
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
812 typedef struct tdsRssiRid tdsRssiRid;
818 typedef struct MICRid MICRid;
822 __le16 multicastValid;
828 typedef struct MICBuffer MICBuffer;
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 const 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;
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 const u8 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)
2726 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2728 if (!ai->networks) {
2729 airo_print_warn("", "Out of memory allocating beacons");
2736 static void airo_networks_free(struct airo_info *ai)
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2742 static void airo_networks_initialize(struct airo_info *ai)
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2753 static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_multicast_list = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
2762 .ndo_validate_addr = eth_validate_addr,
2765 static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_multicast_list = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
2774 .ndo_validate_addr = eth_validate_addr,
2778 static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
2782 struct net_device *dev;
2783 struct airo_info *ai;
2785 CapabilityRid cap_rid;
2787 /* Create the network device object. */
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 airo_print_err("", "Couldn't alloc_etherdev");
2794 ai = dev->ml_priv = netdev_priv(dev);
2796 ai->flags = 1 << FLAG_RADIO_DOWN;
2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2800 airo_print_dbg("", "Found an MPI350 card");
2801 set_bit(FLAG_MPI, &ai->flags);
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2807 init_waitqueue_head (&ai->thr_wait);
2811 if (airo_networks_allocate (ai))
2813 airo_networks_initialize (ai);
2815 skb_queue_head_init (&ai->txq);
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2826 dev->base_addr = port;
2828 SET_NETDEV_DEV(dev, dmdev);
2830 reset_card (dev, 1);
2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 airo_print_err(dev->name, "Couldn't request region");
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2850 airo_print_err(dev->name, "MAC could not be enabled" );
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2865 ai->wifidev = init_wifidev(ai, dev);
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2883 /* Test for WPA support */
2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2920 unregister_netdev(dev);
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2930 release_region( dev->base_addr, 64 );
2932 airo_networks_free(ai);
2939 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945 EXPORT_SYMBOL(init_airo_card);
2947 static int waitbusy (struct airo_info *ai) {
2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 return delay < 10000;
2957 int reset_airo_card( struct net_device *dev )
2960 struct airo_info *ai = dev->ml_priv;
2962 if (reset_card (dev, 1))
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2980 EXPORT_SYMBOL(reset_airo_card);
2982 static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->ml_priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999 static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3013 /* Try to read the first entry of the scan result */
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3016 /* No scan results */
3020 /* Read and parse all entries */
3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3036 /* Read next entry */
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3058 static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->ml_priv;
3065 /* make swsusp happy with our thread */
3068 if (test_bit(JOB_DIE, &ai->jobs))
3072 locked = down_interruptible(&ai->sem);
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3079 set_current_state(TASK_INTERRUPTIBLE);
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3099 wake_at = min(ai->expires,
3102 schedule_timeout(wake_at - jiffies);
3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3120 if (test_bit(JOB_DIE, &ai->jobs)) {
3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3130 if (test_bit(JOB_XMIT, &ai->jobs))
3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
3133 airo_end_xmit11(dev);
3134 else if (test_bit(JOB_STATS, &ai->jobs))
3135 airo_read_stats(dev);
3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
3137 airo_read_wireless_stats(ai);
3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
3139 airo_set_promisc(ai);
3140 else if (test_bit(JOB_MIC, &ai->jobs))
3142 else if (test_bit(JOB_EVENT, &ai->jobs))
3143 airo_send_event(dev);
3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3155 static int header_len(__le16 ctl)
3157 u16 fc = le16_to_cpu(ctl);
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3170 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3178 /* Airo Status codes */
3179 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188 #define STAT_ASSOC 0x0400 /* Associated */
3189 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191 static void airo_print_status(const char *devname, u16 status)
3193 u8 reason = status & 0xFF;
3195 switch (status & 0xFF00) {
3199 airo_print_dbg(devname, "link lost (missed beacons)");
3201 case STAT_MAXRETRIES:
3203 airo_print_dbg(devname, "link lost (max retries)");
3205 case STAT_FORCELOSS:
3206 airo_print_dbg(devname, "link lost (local choice)");
3209 airo_print_dbg(devname, "link lost (TSF sync lost)");
3212 airo_print_dbg(devname, "unknow status %x\n", status);
3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 case STAT_ASSOC_FAIL:
3223 airo_print_dbg(devname, "association failed (reason: %d)",
3226 case STAT_AUTH_FAIL:
3227 airo_print_dbg(devname, "authentication failed (reason: %d)",
3234 airo_print_dbg(devname, "unknow status %x\n", status);
3239 static void airo_handle_link(struct airo_info *ai)
3241 union iwreq_data wrqu;
3242 int scan_forceloss = 0;
3245 /* Get new status and acknowledge the link change */
3246 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3247 OUT4500(ai, EVACK, EV_LINK);
3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3252 airo_print_status(ai->dev->name, status);
3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3257 if (ai->list_bss_task)
3258 wake_up_process(ai->list_bss_task);
3259 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262 if (down_trylock(&ai->sem) != 0) {
3263 set_bit(JOB_EVENT, &ai->jobs);
3264 wake_up_interruptible(&ai->thr_wait);
3266 airo_send_event(ai->dev);
3267 } else if (!scan_forceloss) {
3268 if (auto_wep && !ai->expires) {
3269 ai->expires = RUN_AT(3*HZ);
3270 wake_up_interruptible(&ai->thr_wait);
3273 /* Send event to user space */
3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3280 static void airo_handle_rx(struct airo_info *ai)
3282 struct sk_buff *skb = NULL;
3283 __le16 fc, v, *buffer, tmpbuf[4];
3284 u16 len, hdrlen = 0, gap, fid;
3288 if (test_bit(FLAG_MPI, &ai->flags)) {
3289 if (test_bit(FLAG_802_11, &ai->flags))
3290 mpi_receive_802_11(ai);
3292 mpi_receive_802_3(ai);
3293 OUT4500(ai, EVACK, EV_RX);
3297 fid = IN4500(ai, RXFID);
3299 /* Get the packet length */
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3301 bap_setup (ai, fid, 4, BAP0);
3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3303 /* Bad CRC. Ignore packet */
3304 if (le16_to_cpu(hdr.status) & 2)
3306 if (ai->wifidev == NULL)
3309 bap_setup(ai, fid, 0x36, BAP0);
3310 bap_read(ai, &hdr.len, 2, BAP0);
3312 len = le16_to_cpu(hdr.len);
3314 if (len > AIRO_DEF_MTU) {
3315 airo_print_err(ai->dev->name, "Bad size %d", len);
3321 if (test_bit(FLAG_802_11, &ai->flags)) {
3322 bap_read(ai, &fc, sizeof (fc), BAP0);
3323 hdrlen = header_len(fc);
3325 hdrlen = ETH_ALEN * 2;
3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 ai->dev->stats.rx_dropped++;
3333 skb_reserve(skb, 2); /* This way the IP header is aligned */
3334 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3335 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 bap_read(ai, tmpbuf, 6, BAP0);
3341 bap_read(ai, &v, sizeof(v), BAP0);
3342 gap = le16_to_cpu(v);
3345 bap_read(ai, tmpbuf, gap, BAP0);
3347 airo_print_err(ai->dev->name, "gaplen too "
3348 "big. Problems will follow...");
3351 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3356 if (ai->micstats.enabled) {
3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3358 if (ntohs(micbuf.typelen) > 0x05DC)
3359 bap_setup(ai, fid, 0x44, BAP0);
3361 if (len <= sizeof (micbuf)) {
3362 dev_kfree_skb_irq(skb);
3366 len -= sizeof(micbuf);
3367 skb_trim(skb, len + hdrlen);
3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3373 dev_kfree_skb_irq (skb);
3379 if (success && (ai->spy_data.spy_number > 0)) {
3381 struct iw_quality wstats;
3383 /* Prepare spy data : addr + qual */
3384 if (!test_bit(FLAG_802_11, &ai->flags)) {
3385 sa = (char *) buffer + 6;
3386 bap_setup(ai, fid, 8, BAP0);
3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 sa = (char *) buffer + 10;
3390 wstats.qual = hdr.rssi[0];
3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 wstats.level = (hdr.rssi[1] + 321) / 2;
3395 wstats.noise = ai->wstats.qual.noise;
3396 wstats.updated = IW_QUAL_LEVEL_UPDATED
3397 | IW_QUAL_QUAL_UPDATED
3399 /* Update spy records */
3400 wireless_spy_update(ai->dev, sa, &wstats);
3402 #endif /* WIRELESS_SPY */
3405 OUT4500(ai, EVACK, EV_RX);
3408 if (test_bit(FLAG_802_11, &ai->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = ai->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3414 skb->protocol = eth_type_trans(skb, ai->dev);
3415 skb->ip_summed = CHECKSUM_NONE;
3421 static void airo_handle_tx(struct airo_info *ai, u16 status)
3423 int i, len = 0, index = -1;
3426 if (test_bit(FLAG_MPI, &ai->flags)) {
3427 unsigned long flags;
3429 if (status & EV_TXEXC)
3430 get_tx_error(ai, -1);
3432 spin_lock_irqsave(&ai->aux_lock, flags);
3433 if (!skb_queue_empty(&ai->txq)) {
3434 spin_unlock_irqrestore(&ai->aux_lock,flags);
3435 mpi_send_packet(ai->dev);
3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3438 spin_unlock_irqrestore(&ai->aux_lock,flags);
3439 netif_wake_queue(ai->dev);
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3445 fid = IN4500(ai, TXCOMPLFID);
3447 for(i = 0; i < MAX_FIDS; i++) {
3448 if ((ai->fids[i] & 0xffff) == fid) {
3449 len = ai->fids[i] >> 16;
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, index);
3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460 /* Set up to be used again */
3461 ai->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3464 netif_wake_queue(ai->dev);
3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3467 netif_wake_queue(ai->wifidev);
3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3475 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477 struct net_device *dev = dev_id;
3478 u16 status, savedInterrupts = 0;
3479 struct airo_info *ai = dev->ml_priv;
3482 if (!netif_device_present(dev))
3486 status = IN4500(ai, EVSTAT);
3487 if (!(status & STATUS_INTS) || (status == 0xffff))
3492 if (status & EV_AWAKE) {
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 OUT4500(ai, EVACK, EV_AWAKE);
3497 if (!savedInterrupts) {
3498 savedInterrupts = IN4500(ai, EVINTEN);
3499 OUT4500(ai, EVINTEN, 0);
3502 if (status & EV_MIC) {
3503 OUT4500(ai, EVACK, EV_MIC);
3504 airo_handle_cisco_mic(ai);
3507 if (status & EV_LINK) {
3508 /* Link status changed */
3509 airo_handle_link(ai);
3512 /* Check to see if there is something to receive */
3516 /* Check to see if a packet has been transmitted */
3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3518 airo_handle_tx(ai, status);
3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3521 airo_print_warn(ai->dev->name, "Got weird status %x",
3522 status & ~STATUS_INTS & ~IGNORE_INTS );
3526 if (savedInterrupts)
3527 OUT4500(ai, EVINTEN, savedInterrupts);
3529 return IRQ_RETVAL(handled);
3533 * Routines to talk to the card
3537 * This was originally written for the 4500, hence the name
3538 * NOTE: If use with 8bit mode and SMP bad things will happen!
3539 * Why would some one do 8 bit IO in an SMP machine?!?
3541 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3542 if (test_bit(FLAG_MPI,&ai->flags))
3545 outw( val, ai->dev->base_addr + reg );
3547 outb( val & 0xff, ai->dev->base_addr + reg );
3548 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3552 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3555 if (test_bit(FLAG_MPI,&ai->flags))
3558 rc = inw( ai->dev->base_addr + reg );
3560 rc = inb( ai->dev->base_addr + reg );
3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3566 static int enable_MAC(struct airo_info *ai, int lock)
3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3574 * Note : we could try to use !netif_running(dev) in enable_MAC()
3575 * instead of this flag, but I don't trust it *within* the
3576 * open/close functions, and testing both flags together is
3577 * "cheaper" - Jean II */
3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580 if (lock && down_interruptible(&ai->sem))
3581 return -ERESTARTSYS;
3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3584 memset(&cmd, 0, sizeof(cmd));
3585 cmd.cmd = MAC_ENABLE;
3586 rc = issuecommand(ai, &cmd, &rsp);
3588 set_bit(FLAG_ENABLED, &ai->flags);
3596 airo_print_err(ai->dev->name, "Cannot enable MAC");
3597 else if ((rsp.status & 0xFF00) != 0) {
3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3605 static void disable_MAC( struct airo_info *ai, int lock ) {
3609 if (lock && down_interruptible(&ai->sem))
3612 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3613 memset(&cmd, 0, sizeof(cmd));
3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3615 issuecommand(ai, &cmd, &rsp);
3616 clear_bit(FLAG_ENABLED, &ai->flags);
3622 static void enable_interrupts( struct airo_info *ai ) {
3623 /* Enable the interrupts */
3624 OUT4500( ai, EVINTEN, STATUS_INTS );
3627 static void disable_interrupts( struct airo_info *ai ) {
3628 OUT4500( ai, EVINTEN, 0 );
3631 static void mpi_receive_802_3(struct airo_info *ai)
3635 struct sk_buff *skb;
3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3641 /* Make sure we got something */
3642 if (rxd.rdy && rxd.valid == 0) {
3644 if (len < 12 || len > 2048)
3647 skb = dev_alloc_skb(len);
3649 ai->dev->stats.rx_dropped++;
3652 buffer = skb_put(skb,len);
3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3654 if (ai->micstats.enabled) {
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 if (ntohs(micbuf.typelen) <= 0x05DC) {
3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3662 off = sizeof(micbuf);
3663 skb_trim (skb, len - off);
3666 memcpy(buffer + ETH_ALEN * 2,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3668 len - ETH_ALEN * 2 - off);
3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671 dev_kfree_skb_irq (skb);
3675 if (ai->spy_data.spy_number > 0) {
3677 struct iw_quality wstats;
3678 /* Prepare spy data : addr + qual */
3679 sa = buffer + ETH_ALEN;
3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3686 #endif /* WIRELESS_SPY */
3688 skb->ip_summed = CHECKSUM_NONE;
3689 skb->protocol = eth_type_trans(skb, ai->dev);
3693 if (rxd.valid == 0) {
3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3701 static void mpi_receive_802_11(struct airo_info *ai)
3704 struct sk_buff *skb = NULL;
3705 u16 len, hdrlen = 0;
3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3713 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 /* Bad CRC. Ignore packet */
3716 if (le16_to_cpu(hdr.status) & 2)
3718 if (ai->wifidev == NULL)
3720 len = le16_to_cpu(hdr.len);
3721 if (len > AIRO_DEF_MTU) {
3722 airo_print_err(ai->dev->name, "Bad size %d", len);
3728 fc = get_unaligned((__le16 *)ptr);
3729 hdrlen = header_len(fc);
3731 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 ai->dev->stats.rx_dropped++;
3736 buffer = (u16*)skb_put (skb, len + hdrlen);
3737 memcpy ((char *)buffer, ptr, hdrlen);
3741 gap = get_unaligned_le16(ptr);
3742 ptr += sizeof(__le16);
3747 airo_print_err(ai->dev->name,
3748 "gaplen too big. Problems will follow...");
3750 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3753 if (ai->spy_data.spy_number > 0) {
3755 struct iw_quality wstats;
3756 /* Prepare spy data : addr + qual */
3757 sa = (char*)buffer + 10;
3758 wstats.qual = hdr.rssi[0];
3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 wstats.level = (hdr.rssi[1] + 321) / 2;
3763 wstats.noise = ai->wstats.qual.noise;
3764 wstats.updated = IW_QUAL_QUAL_UPDATED
3765 | IW_QUAL_LEVEL_UPDATED
3767 /* Update spy records */
3768 wireless_spy_update(ai->dev, sa, &wstats);
3770 #endif /* IW_WIRELESS_SPY */
3771 skb_reset_mac_header(skb);
3772 skb->pkt_type = PACKET_OTHERHOST;
3773 skb->dev = ai->wifidev;
3774 skb->protocol = htons(ETH_P_802_2);
3775 skb->ip_summed = CHECKSUM_NONE;
3779 if (rxd.valid == 0) {
3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3787 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3797 memset( &mySsid, 0, sizeof( mySsid ) );
3801 /* The NOP is the first step in getting the card going */
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3811 disable_MAC( ai, 0);
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 ai->bap_read = aux_bap_read;
3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3832 if (ai->config.len == 0) {
3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3841 // general configuration (read/modify/write)
3842 status = readConfigRid(ai, lock);
3843 if ( status != SUCCESS ) return ERROR;
3845 status = readCapabilityRid(ai, &cap_rid, lock);
3846 if ( status != SUCCESS ) return ERROR;
3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3849 if ( status == SUCCESS ) {
3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3856 if (cap_rid.softCap & cpu_to_le16(8))
3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 airo_print_warn(ai->dev->name, "unknown received signal "
3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3863 ai->config.authType = AUTH_OPEN;
3864 ai->config.modulation = MOD_CCK;
3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3867 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3868 micsetup(ai) == SUCCESS) {
3869 ai->config.opmode |= MODE_MIC;
3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3873 /* Save off the MAC */
3874 for( i = 0; i < ETH_ALEN; i++ ) {
3875 mac[i] = ai->config.macAddr[i];
3878 /* Check to see if there are any insmod configured
3881 memset(ai->config.rates,0,sizeof(ai->config.rates));
3882 for( i = 0; i < 8 && rates[i]; i++ ) {
3883 ai->config.rates[i] = rates[i];
3886 if ( basic_rate > 0 ) {
3887 for( i = 0; i < 8; i++ ) {
3888 if ( ai->config.rates[i] == basic_rate ||
3889 !ai->config.rates ) {
3890 ai->config.rates[i] = basic_rate | 0x80;
3895 set_bit (FLAG_COMMIT, &ai->flags);
3898 /* Setup the SSIDs if present */
3901 for( i = 0; i < 3 && ssids[i]; i++ ) {
3902 size_t len = strlen(ssids[i]);
3905 mySsid.ssids[i].len = cpu_to_le16(len);
3906 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3908 mySsid.len = cpu_to_le16(sizeof(mySsid));
3911 status = writeConfigRid(ai, lock);
3912 if ( status != SUCCESS ) return ERROR;
3914 /* Set up the SSID list */
3916 status = writeSsidRid(ai, &mySsid, lock);
3917 if ( status != SUCCESS ) return ERROR;
3920 status = enable_MAC(ai, lock);
3921 if (status != SUCCESS)
3924 /* Grab the initial wep key, we gotta save it for auto_wep */
3925 rc = readWepKeyRid(ai, &wkr, 1, lock);
3926 if (rc == SUCCESS) do {
3927 lastindex = wkr.kindex;
3928 if (wkr.kindex == cpu_to_le16(0xffff)) {
3929 ai->defindex = wkr.mac[0];
3931 rc = readWepKeyRid(ai, &wkr, 0, lock);
3932 } while(lastindex != wkr.kindex);
3939 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3940 // Im really paranoid about letting it run forever!
3941 int max_tries = 600000;
3943 if (IN4500(ai, EVSTAT) & EV_CMD)
3944 OUT4500(ai, EVACK, EV_CMD);
3946 OUT4500(ai, PARAM0, pCmd->parm0);
3947 OUT4500(ai, PARAM1, pCmd->parm1);
3948 OUT4500(ai, PARAM2, pCmd->parm2);
3949 OUT4500(ai, COMMAND, pCmd->cmd);
3951 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3952 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3953 // PC4500 didn't notice command, try again
3954 OUT4500(ai, COMMAND, pCmd->cmd);
3955 if (!in_atomic() && (max_tries & 255) == 0)
3959 if ( max_tries == -1 ) {
3960 airo_print_err(ai->dev->name,
3961 "Max tries exceeded when issueing command");
3962 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3967 // command completed
3968 pRsp->status = IN4500(ai, STATUS);
3969 pRsp->rsp0 = IN4500(ai, RESP0);
3970 pRsp->rsp1 = IN4500(ai, RESP1);
3971 pRsp->rsp2 = IN4500(ai, RESP2);
3972 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3973 airo_print_err(ai->dev->name,
3974 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3975 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3978 // clear stuck command busy if necessary
3979 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3980 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 // acknowledge processing the status/response
3983 OUT4500(ai, EVACK, EV_CMD);
3988 /* Sets up the bap to start exchange data. whichbap should
3989 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3996 OUT4500(ai, SELECT0+whichbap, rid);
3997 OUT4500(ai, OFFSET0+whichbap, offset);
3999 int status = IN4500(ai, OFFSET0+whichbap);
4000 if (status & BAP_BUSY) {
4001 /* This isn't really a timeout, but its kinda
4006 } else if ( status & BAP_ERR ) {
4007 /* invalid rid or offset */
4008 airo_print_err(ai->dev->name, "BAP error %x %d",
4011 } else if (status & BAP_DONE) { // success
4014 if ( !(max_tries--) ) {
4015 airo_print_err(ai->dev->name,
4016 "BAP setup error too many retries\n");
4019 // -- PC4500 missed it, try again
4020 OUT4500(ai, SELECT0+whichbap, rid);
4021 OUT4500(ai, OFFSET0+whichbap, offset);
4026 /* should only be called by aux_bap_read. This aux function and the
4027 following use concepts not documented in the developers guide. I
4028 got them from a patch given to my by Aironet */
4029 static u16 aux_setup(struct airo_info *ai, u16 page,
4030 u16 offset, u16 *len)
4034 OUT4500(ai, AUXPAGE, page);
4035 OUT4500(ai, AUXOFF, 0);
4036 next = IN4500(ai, AUXDATA);
4037 *len = IN4500(ai, AUXDATA)&0xff;
4038 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4042 /* requires call to bap_setup() first */
4043 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4044 int bytelen, int whichbap)
4052 unsigned long flags;
4054 spin_lock_irqsave(&ai->aux_lock, flags);
4055 page = IN4500(ai, SWS0+whichbap);
4056 offset = IN4500(ai, SWS2+whichbap);
4057 next = aux_setup(ai, page, offset, &len);
4058 words = (bytelen+1)>>1;
4060 for (i=0; i<words;) {
4062 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 insw( ai->dev->base_addr+DATA0+whichbap,
4067 insb( ai->dev->base_addr+DATA0+whichbap,
4068 pu16Dst+i, count << 1 );
4071 next = aux_setup(ai, next, 4, &len);
4074 spin_unlock_irqrestore(&ai->aux_lock, flags);
4079 /* requires call to bap_setup() first */
4080 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4081 int bytelen, int whichbap)
4083 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4091 /* requires call to bap_setup() first */
4092 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4093 int bytelen, int whichbap)
4095 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 outsw( ai->dev->base_addr+DATA0+whichbap,
4098 pu16Src, bytelen>>1 );
4100 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4104 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106 Cmd cmd; /* for issuing commands */
4107 Resp rsp; /* response from commands */
4110 memset(&cmd, 0, sizeof(cmd));
4113 status = issuecommand(ai, &cmd, &rsp);
4114 if (status != 0) return status;
4115 if ( (rsp.status & 0x7F00) != 0) {
4116 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4121 /* Note, that we are using BAP1 which is also used by transmit, so
4122 * we must get a lock. */
4123 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4129 if (down_interruptible(&ai->sem))
4132 if (test_bit(FLAG_MPI,&ai->flags)) {
4136 memset(&cmd, 0, sizeof(cmd));
4137 memset(&rsp, 0, sizeof(rsp));
4138 ai->config_desc.rid_desc.valid = 1;
4139 ai->config_desc.rid_desc.len = RIDSIZE;
4140 ai->config_desc.rid_desc.rid = 0;
4141 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143 cmd.cmd = CMD_ACCESS;
4146 memcpy_toio(ai->config_desc.card_ram_off,
4147 &ai->config_desc.rid_desc, sizeof(Rid));
4149 rc = issuecommand(ai, &cmd, &rsp);
4151 if (rsp.status & 0x7f00)
4154 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4157 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4161 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4165 // read the rid length field
4166 bap_read(ai, pBuf, 2, BAP1);
4167 // length for remaining part of rid
4168 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4171 airo_print_err(ai->dev->name,
4172 "Rid %x has a length of %d which is too short",
4173 (int)rid, (int)len );
4177 // read remainder of the rid
4178 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4186 /* Note, that we are using BAP1 which is also used by transmit, so
4187 * make sure this isnt called when a transmit is happening */
4188 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4189 const void *pBuf, int len, int lock)
4194 *(__le16*)pBuf = cpu_to_le16((u16)len);
4197 if (down_interruptible(&ai->sem))
4200 if (test_bit(FLAG_MPI,&ai->flags)) {
4204 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4205 airo_print_err(ai->dev->name,
4206 "%s: MAC should be disabled (rid=%04x)",
4208 memset(&cmd, 0, sizeof(cmd));
4209 memset(&rsp, 0, sizeof(rsp));
4211 ai->config_desc.rid_desc.valid = 1;
4212 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4213 ai->config_desc.rid_desc.rid = 0;
4215 cmd.cmd = CMD_WRITERID;
4218 memcpy_toio(ai->config_desc.card_ram_off,
4219 &ai->config_desc.rid_desc, sizeof(Rid));
4221 if (len < 4 || len > 2047) {
4222 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4225 memcpy((char *)ai->config_desc.virtual_host_addr,
4228 rc = issuecommand(ai, &cmd, &rsp);
4229 if ((rc & 0xff00) != 0) {
4230 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4232 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4236 if ((rsp.status & 0x7f00))
4240 // --- first access so that we can write the rid data
4241 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4245 // --- now write the rid data
4246 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4250 bap_write(ai, pBuf, len, BAP1);
4251 // ---now commit the rid data
4252 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4260 /* Allocates a FID to be used for transmitting packets. We only use
4262 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264 unsigned int loop = 3000;
4270 cmd.cmd = CMD_ALLOCATETX;
4271 cmd.parm0 = lenPayload;
4272 if (down_interruptible(&ai->sem))
4274 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4278 if ( (rsp.status & 0xFF00) != 0) {
4282 /* wait for the allocate event/indication
4283 * It makes me kind of nervous that this can just sit here and spin,
4284 * but in practice it only loops like four times. */
4285 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4291 // get the allocated fid and acknowledge
4292 txFid = IN4500(ai, TXALLOCFID);
4293 OUT4500(ai, EVACK, EV_ALLOC);
4295 /* The CARD is pretty cool since it converts the ethernet packet
4296 * into 802.11. Also note that we don't release the FID since we
4297 * will be using the same one over and over again. */
4298 /* We only have to setup the control once since we are not
4299 * releasing the fid. */
4301 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4302 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4305 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4306 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4309 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4317 /* In general BAP1 is dedicated to transmiting packets. However,
4318 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4319 Make sure the BAP1 spinlock is held when this is called. */
4320 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4331 if (len <= ETH_ALEN * 2) {
4332 airo_print_warn(ai->dev->name, "Short packet %d", len);
4335 len -= ETH_ALEN * 2;
4337 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4338 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4339 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 miclen = sizeof(pMic);
4343 // packet is destination[6], source[6], payload[len-12]
4344 // write the payload length and dst/src/payload
4345 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4346 /* The hardware addresses aren't counted as part of the payload, so
4347 * we have to subtract the 12 bytes for the addresses off */
4348 payloadLen = cpu_to_le16(len + miclen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4350 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4352 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4353 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4354 // issue the transmit command
4355 memset( &cmd, 0, sizeof( cmd ) );
4356 cmd.cmd = CMD_TRANSMIT;
4358 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4359 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4363 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4365 __le16 fc, payloadLen;
4369 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4370 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4374 fc = *(__le16*)pPacket;
4375 hdrlen = header_len(fc);
4378 airo_print_warn(ai->dev->name, "Short packet %d", len);
4382 /* packet is 802.11 header + payload
4383 * write the payload length and dst/src/payload */
4384 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4385 /* The 802.11 header aren't counted as part of the payload, so
4386 * we have to subtract the header bytes off */
4387 payloadLen = cpu_to_le16(len-hdrlen);
4388 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4389 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4390 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4391 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4393 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4394 // issue the transmit command
4395 memset( &cmd, 0, sizeof( cmd ) );
4396 cmd.cmd = CMD_TRANSMIT;
4398 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4399 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4404 * This is the proc_fs routines. It is a bit messier than I would
4405 * like! Feel free to clean it up!
4408 static ssize_t proc_read( struct file *file,
4409 char __user *buffer,
4413 static ssize_t proc_write( struct file *file,
4414 const char __user *buffer,
4417 static int proc_close( struct inode *inode, struct file *file );
4419 static int proc_stats_open( struct inode *inode, struct file *file );
4420 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4421 static int proc_status_open( struct inode *inode, struct file *file );
4422 static int proc_SSID_open( struct inode *inode, struct file *file );
4423 static int proc_APList_open( struct inode *inode, struct file *file );
4424 static int proc_BSSList_open( struct inode *inode, struct file *file );
4425 static int proc_config_open( struct inode *inode, struct file *file );
4426 static int proc_wepkey_open( struct inode *inode, struct file *file );
4428 static const struct file_operations proc_statsdelta_ops = {
4429 .owner = THIS_MODULE,
4431 .open = proc_statsdelta_open,
4432 .release = proc_close
4435 static const struct file_operations proc_stats_ops = {
4436 .owner = THIS_MODULE,
4438 .open = proc_stats_open,
4439 .release = proc_close
4442 static const struct file_operations proc_status_ops = {
4443 .owner = THIS_MODULE,
4445 .open = proc_status_open,
4446 .release = proc_close
4449 static const struct file_operations proc_SSID_ops = {
4450 .owner = THIS_MODULE,
4452 .write = proc_write,
4453 .open = proc_SSID_open,
4454 .release = proc_close
4457 static const struct file_operations proc_BSSList_ops = {
4458 .owner = THIS_MODULE,
4460 .write = proc_write,
4461 .open = proc_BSSList_open,
4462 .release = proc_close
4465 static const struct file_operations proc_APList_ops = {
4466 .owner = THIS_MODULE,
4468 .write = proc_write,
4469 .open = proc_APList_open,
4470 .release = proc_close
4473 static const struct file_operations proc_config_ops = {
4474 .owner = THIS_MODULE,
4476 .write = proc_write,
4477 .open = proc_config_open,
4478 .release = proc_close
4481 static const struct file_operations proc_wepkey_ops = {
4482 .owner = THIS_MODULE,
4484 .write = proc_write,
4485 .open = proc_wepkey_open,
4486 .release = proc_close
4489 static struct proc_dir_entry *airo_entry;
4498 void (*on_close) (struct inode *, struct file *);
4501 static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4509 if (!apriv->proc_entry)
4511 apriv->proc_entry->uid = proc_uid;
4512 apriv->proc_entry->gid = proc_gid;
4514 /* Setup the StatsDelta */
4515 entry = proc_create_data("StatsDelta",
4516 S_IFREG | (S_IRUGO&proc_perm),
4517 apriv->proc_entry, &proc_statsdelta_ops, dev);
4519 goto fail_stats_delta;
4520 entry->uid = proc_uid;
4521 entry->gid = proc_gid;
4523 /* Setup the Stats */
4524 entry = proc_create_data("Stats",
4525 S_IFREG | (S_IRUGO&proc_perm),
4526 apriv->proc_entry, &proc_stats_ops, dev);
4529 entry->uid = proc_uid;
4530 entry->gid = proc_gid;
4532 /* Setup the Status */
4533 entry = proc_create_data("Status",
4534 S_IFREG | (S_IRUGO&proc_perm),
4535 apriv->proc_entry, &proc_status_ops, dev);
4538 entry->uid = proc_uid;
4539 entry->gid = proc_gid;
4541 /* Setup the Config */
4542 entry = proc_create_data("Config",
4543 S_IFREG | proc_perm,
4544 apriv->proc_entry, &proc_config_ops, dev);
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
4550 /* Setup the SSID */
4551 entry = proc_create_data("SSID",
4552 S_IFREG | proc_perm,
4553 apriv->proc_entry, &proc_SSID_ops, dev);
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
4559 /* Setup the APList */
4560 entry = proc_create_data("APList",
4561 S_IFREG | proc_perm,
4562 apriv->proc_entry, &proc_APList_ops, dev);
4565 entry->uid = proc_uid;
4566 entry->gid = proc_gid;
4568 /* Setup the BSSList */
4569 entry = proc_create_data("BSSList",
4570 S_IFREG | proc_perm,
4571 apriv->proc_entry, &proc_BSSList_ops, dev);
4574 entry->uid = proc_uid;
4575 entry->gid = proc_gid;
4577 /* Setup the WepKey */
4578 entry = proc_create_data("WepKey",
4579 S_IFREG | proc_perm,
4580 apriv->proc_entry, &proc_wepkey_ops, dev);
4583 entry->uid = proc_uid;
4584 entry->gid = proc_gid;
4589 remove_proc_entry("BSSList", apriv->proc_entry);
4591 remove_proc_entry("APList", apriv->proc_entry);
4593 remove_proc_entry("SSID", apriv->proc_entry);
4595 remove_proc_entry("Config", apriv->proc_entry);
4597 remove_proc_entry("Status", apriv->proc_entry);
4599 remove_proc_entry("Stats", apriv->proc_entry);
4601 remove_proc_entry("StatsDelta", apriv->proc_entry);
4603 remove_proc_entry(apriv->proc_name, airo_entry);
4608 static int takedown_proc_entry( struct net_device *dev,
4609 struct airo_info *apriv ) {
4610 if ( !apriv->proc_entry->namelen ) return 0;
4611 remove_proc_entry("Stats",apriv->proc_entry);
4612 remove_proc_entry("StatsDelta",apriv->proc_entry);
4613 remove_proc_entry("Status",apriv->proc_entry);
4614 remove_proc_entry("Config",apriv->proc_entry);
4615 remove_proc_entry("SSID",apriv->proc_entry);
4616 remove_proc_entry("APList",apriv->proc_entry);
4617 remove_proc_entry("BSSList",apriv->proc_entry);
4618 remove_proc_entry("WepKey",apriv->proc_entry);
4619 remove_proc_entry(apriv->proc_name,airo_entry);
4624 * What we want from the proc_fs is to be able to efficiently read
4625 * and write the configuration. To do this, we want to read the
4626 * configuration when the file is opened and write it when the file is
4627 * closed. So basically we allocate a read buffer at open and fill it
4628 * with data, and allocate a write buffer and read it at close.
4632 * The read routine is generic, it relies on the preallocated rbuffer
4633 * to supply the data.
4635 static ssize_t proc_read( struct file *file,
4636 char __user *buffer,
4640 struct proc_data *priv = file->private_data;
4645 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4650 * The write routine is generic, it fills in a preallocated rbuffer
4651 * to supply the data.
4653 static ssize_t proc_write( struct file *file,
4654 const char __user *buffer,
4658 loff_t pos = *offset;
4659 struct proc_data *priv = file->private_data;
4666 if (pos >= priv->maxwritelen)
4668 if (len > priv->maxwritelen - pos)
4669 len = priv->maxwritelen - pos;
4670 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4672 if ( pos + len > priv->writelen )
4673 priv->writelen = len + file->f_pos;
4674 *offset = pos + len;
4678 static int proc_status_open(struct inode *inode, struct file *file)
4680 struct proc_data *data;
4681 struct proc_dir_entry *dp = PDE(inode);
4682 struct net_device *dev = dp->data;
4683 struct airo_info *apriv = dev->ml_priv;
4684 CapabilityRid cap_rid;
4685 StatusRid status_rid;
4689 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4691 data = file->private_data;
4692 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4693 kfree (file->private_data);
4697 readStatusRid(apriv, &status_rid, 1);
4698 readCapabilityRid(apriv, &cap_rid, 1);
4700 mode = le16_to_cpu(status_rid.mode);
4702 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4703 mode & 1 ? "CFG ": "",
4704 mode & 2 ? "ACT ": "",
4705 mode & 0x10 ? "SYN ": "",
4706 mode & 0x20 ? "LNK ": "",
4707 mode & 0x40 ? "LEAP ": "",
4708 mode & 0x80 ? "PRIV ": "",
4709 mode & 0x100 ? "KEY ": "",
4710 mode & 0x200 ? "WEP ": "",
4711 mode & 0x8000 ? "ERR ": "");
4712 sprintf( data->rbuffer+i, "Mode: %x\n"
4713 "Signal Strength: %d\n"
4714 "Signal Quality: %d\n"
4719 "Driver Version: %s\n"
4720 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4721 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4722 "Software Version: %x\nSoftware Subversion: %x\n"
4723 "Boot block version: %x\n",
4724 le16_to_cpu(status_rid.mode),
4725 le16_to_cpu(status_rid.normalizedSignalStrength),
4726 le16_to_cpu(status_rid.signalQuality),
4727 le16_to_cpu(status_rid.SSIDlen),
4730 le16_to_cpu(status_rid.channel),
4731 le16_to_cpu(status_rid.currentXmitRate) / 2,
4736 le16_to_cpu(cap_rid.radioType),
4737 le16_to_cpu(cap_rid.country),
4738 le16_to_cpu(cap_rid.hardVer),
4739 le16_to_cpu(cap_rid.softVer),
4740 le16_to_cpu(cap_rid.softSubVer),
4741 le16_to_cpu(cap_rid.bootBlockVer));
4742 data->readlen = strlen( data->rbuffer );
4746 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4747 static int proc_statsdelta_open( struct inode *inode,
4748 struct file *file ) {
4749 if (file->f_mode&FMODE_WRITE) {
4750 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4752 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4755 static int proc_stats_open( struct inode *inode, struct file *file ) {
4756 return proc_stats_rid_open(inode, file, RID_STATS);
4759 static int proc_stats_rid_open( struct inode *inode,
4763 struct proc_data *data;
4764 struct proc_dir_entry *dp = PDE(inode);
4765 struct net_device *dev = dp->data;
4766 struct airo_info *apriv = dev->ml_priv;
4769 __le32 *vals = stats.vals;
4772 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4774 data = file->private_data;
4775 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4776 kfree (file->private_data);
4780 readStatsRid(apriv, &stats, rid, 1);
4781 len = le16_to_cpu(stats.len);
4784 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4785 if (!statsLabels[i]) continue;
4786 if (j+strlen(statsLabels[i])+16>4096) {
4787 airo_print_warn(apriv->dev->name,
4788 "Potentially disasterous buffer overflow averted!");
4791 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4792 le32_to_cpu(vals[i]));
4795 airo_print_warn(apriv->dev->name, "Got a short rid");
4801 static int get_dec_u16( char *buffer, int *start, int limit ) {
4804 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4805 buffer[*start] <= '9'; (*start)++) {
4808 value += buffer[*start] - '0';
4810 if ( !valid ) return -1;
4814 static int airo_config_commit(struct net_device *dev,
4815 struct iw_request_info *info, void *zwrq,
4818 static inline int sniffing_mode(struct airo_info *ai)
4820 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4821 le16_to_cpu(RXMODE_RFMON);
4824 static void proc_config_on_close(struct inode *inode, struct file *file)
4826 struct proc_data *data = file->private_data;
4827 struct proc_dir_entry *dp = PDE(inode);
4828 struct net_device *dev = dp->data;
4829 struct airo_info *ai = dev->ml_priv;
4832 if ( !data->writelen ) return;
4834 readConfigRid(ai, 1);
4835 set_bit (FLAG_COMMIT, &ai->flags);
4837 line = data->wbuffer;
4839 /*** Mode processing */
4840 if ( !strncmp( line, "Mode: ", 6 ) ) {
4842 if (sniffing_mode(ai))
4843 set_bit (FLAG_RESET, &ai->flags);
4844 ai->config.rmode &= ~RXMODE_FULL_MASK;
4845 clear_bit (FLAG_802_11, &ai->flags);
4846 ai->config.opmode &= ~MODE_CFG_MASK;
4847 ai->config.scanMode = SCANMODE_ACTIVE;
4848 if ( line[0] == 'a' ) {
4849 ai->config.opmode |= MODE_STA_IBSS;
4851 ai->config.opmode |= MODE_STA_ESS;
4852 if ( line[0] == 'r' ) {
4853 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4854 ai->config.scanMode = SCANMODE_PASSIVE;
4855 set_bit (FLAG_802_11, &ai->flags);
4856 } else if ( line[0] == 'y' ) {
4857 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4858 ai->config.scanMode = SCANMODE_PASSIVE;
4859 set_bit (FLAG_802_11, &ai->flags);
4860 } else if ( line[0] == 'l' )
4861 ai->config.rmode |= RXMODE_LANMON;
4863 set_bit (FLAG_COMMIT, &ai->flags);
4866 /*** Radio status */
4867 else if (!strncmp(line,"Radio: ", 7)) {
4869 if (!strncmp(line,"off",3)) {
4870 set_bit (FLAG_RADIO_OFF, &ai->flags);
4872 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4875 /*** NodeName processing */
4876 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4880 memset( ai->config.nodeName, 0, 16 );
4881 /* Do the name, assume a space between the mode and node name */
4882 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4883 ai->config.nodeName[j] = line[j];
4885 set_bit (FLAG_COMMIT, &ai->flags);
4888 /*** PowerMode processing */
4889 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4891 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4892 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if ( !strncmp( line, "PSP", 3 ) ) {
4895 ai->config.powerSaveMode = POWERSAVE_PSP;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4898 ai->config.powerSaveMode = POWERSAVE_CAM;
4899 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4902 int v, i = 0, k = 0; /* i is index into line,
4903 k is index to rates */
4906 while((v = get_dec_u16(line, &i, 3))!=-1) {
4907 ai->config.rates[k++] = (u8)v;
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4915 v = get_dec_u16(line, &i, i+3);
4917 ai->config.channelSet = cpu_to_le16(v);
4918 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4923 v = get_dec_u16(line, &i, i+3);
4925 ai->config.txPower = cpu_to_le16(v);
4926 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4932 ai->config.authType = AUTH_SHAREDKEY;
4935 ai->config.authType = AUTH_ENCRYPT;
4938 ai->config.authType = AUTH_OPEN;
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4946 v = get_dec_u16(line, &i, 3);
4947 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4948 ai->config.longRetryLimit = cpu_to_le16(v);
4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4954 v = get_dec_u16(line, &i, 3);
4955 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4956 ai->config.shortRetryLimit = cpu_to_le16(v);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4962 v = get_dec_u16(line, &i, 4);
4963 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4964 ai->config.rtsThres = cpu_to_le16(v);
4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4970 v = get_dec_u16(line, &i, 5);
4972 ai->config.txLifetime = cpu_to_le16(v);
4973 set_bit (FLAG_COMMIT, &ai->flags);
4974 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4978 v = get_dec_u16(line, &i, 5);
4980 ai->config.rxLifetime = cpu_to_le16(v);
4981 set_bit (FLAG_COMMIT, &ai->flags);
4982 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4983 ai->config.txDiversity =
4984 (line[13]=='l') ? 1 :
4985 ((line[13]=='r')? 2: 3);
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4988 ai->config.rxDiversity =
4989 (line[13]=='l') ? 1 :
4990 ((line[13]=='r')? 2: 3);
4991 set_bit (FLAG_COMMIT, &ai->flags);
4992 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4996 v = get_dec_u16(line, &i, 4);
4997 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4998 v = v & 0xfffe; /* Make sure its even */
4999 ai->config.fragThresh = cpu_to_le16(v);
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if (!strncmp(line, "Modulation: ", 12)) {
5004 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5005 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5006 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5009 } else if (!strncmp(line, "Preamble: ", 10)) {
5012 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5013 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5015 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5018 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5020 while( line[0] && line[0] != '\n' ) line++;
5021 if ( line[0] ) line++;
5023 airo_config_commit(dev, NULL, NULL, NULL);
5026 static const char *get_rmode(__le16 mode)
5028 switch(mode & RXMODE_MASK) {
5029 case RXMODE_RFMON: return "rfmon";
5030 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5031 case RXMODE_LANMON: return "lanmon";
5036 static int proc_config_open(struct inode *inode, struct file *file)
5038 struct proc_data *data;
5039 struct proc_dir_entry *dp = PDE(inode);
5040 struct net_device *dev = dp->data;
5041 struct airo_info *ai = dev->ml_priv;
5045 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5047 data = file->private_data;
5048 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5049 kfree (file->private_data);
5052 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5053 kfree (data->rbuffer);
5054 kfree (file->private_data);
5057 data->maxwritelen = 2048;
5058 data->on_close = proc_config_on_close;
5060 readConfigRid(ai, 1);
5062 mode = ai->config.opmode & MODE_CFG_MASK;
5063 i = sprintf( data->rbuffer,
5068 "DataRates: %d %d %d %d %d %d %d %d\n"
5071 mode == MODE_STA_IBSS ? "adhoc" :
5072 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5073 mode == MODE_AP ? "AP" :
5074 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5075 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5076 ai->config.nodeName,
5077 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5078 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5079 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5081 (int)ai->config.rates[0],
5082 (int)ai->config.rates[1],
5083 (int)ai->config.rates[2],
5084 (int)ai->config.rates[3],
5085 (int)ai->config.rates[4],
5086 (int)ai->config.rates[5],
5087 (int)ai->config.rates[6],
5088 (int)ai->config.rates[7],
5089 le16_to_cpu(ai->config.channelSet),
5090 le16_to_cpu(ai->config.txPower)
5092 sprintf( data->rbuffer + i,
5093 "LongRetryLimit: %d\n"
5094 "ShortRetryLimit: %d\n"
5095 "RTSThreshold: %d\n"
5096 "TXMSDULifetime: %d\n"
5097 "RXMSDULifetime: %d\n"
5100 "FragThreshold: %d\n"
5104 le16_to_cpu(ai->config.longRetryLimit),
5105 le16_to_cpu(ai->config.shortRetryLimit),
5106 le16_to_cpu(ai->config.rtsThres),
5107 le16_to_cpu(ai->config.txLifetime),
5108 le16_to_cpu(ai->config.rxLifetime),
5109 ai->config.txDiversity == 1 ? "left" :
5110 ai->config.txDiversity == 2 ? "right" : "both",
5111 ai->config.rxDiversity == 1 ? "left" :
5112 ai->config.rxDiversity == 2 ? "right" : "both",
5113 le16_to_cpu(ai->config.fragThresh),
5114 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5115 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5116 ai->config.modulation == MOD_DEFAULT ? "default" :
5117 ai->config.modulation == MOD_CCK ? "cck" :
5118 ai->config.modulation == MOD_MOK ? "mok" : "error",
5119 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5120 ai->config.preamble == PREAMBLE_LONG ? "long" :
5121 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5123 data->readlen = strlen( data->rbuffer );
5127 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5129 struct proc_data *data = file->private_data;
5130 struct proc_dir_entry *dp = PDE(inode);
5131 struct net_device *dev = dp->data;
5132 struct airo_info *ai = dev->ml_priv;
5135 char *p = data->wbuffer;
5136 char *end = p + data->writelen;
5138 if (!data->writelen)
5141 *end = '\n'; /* sentinel; we have space for it */
5143 memset(&SSID_rid, 0, sizeof(SSID_rid));
5145 for (i = 0; i < 3 && p < end; i++) {
5147 /* copy up to 32 characters from this line */
5148 while (*p != '\n' && j < 32)
5149 SSID_rid.ssids[i].ssid[j++] = *p++;
5152 SSID_rid.ssids[i].len = cpu_to_le16(j);
5153 /* skip to the beginning of the next line */
5154 while (*p++ != '\n')
5158 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5160 writeSsidRid(ai, &SSID_rid, 1);
5164 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5165 struct proc_data *data = file->private_data;
5166 struct proc_dir_entry *dp = PDE(inode);
5167 struct net_device *dev = dp->data;
5168 struct airo_info *ai = dev->ml_priv;
5169 APListRid APList_rid;
5172 if ( !data->writelen ) return;
5174 memset( &APList_rid, 0, sizeof(APList_rid) );
5175 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5177 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5179 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5182 APList_rid.ap[i][j/3]=
5183 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5186 APList_rid.ap[i][j/3]|=
5187 hex_to_bin(data->wbuffer[j+i*6*3]);
5193 writeAPListRid(ai, &APList_rid, 1);
5197 /* This function wraps PC4500_writerid with a MAC disable */
5198 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5199 int len, int dummy ) {
5203 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5208 /* Returns the WEP key at the specified index, or -1 if that key does
5209 * not exist. The buffer is assumed to be at least 16 bytes in length.
5211 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5217 rc = readWepKeyRid(ai, &wkr, 1, 1);
5221 lastindex = wkr.kindex;
5222 if (le16_to_cpu(wkr.kindex) == index) {
5223 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5224 memcpy(buf, wkr.key, klen);
5227 rc = readWepKeyRid(ai, &wkr, 0, 1);
5230 } while (lastindex != wkr.kindex);
5234 static int get_wep_tx_idx(struct airo_info *ai)
5240 rc = readWepKeyRid(ai, &wkr, 1, 1);
5244 lastindex = wkr.kindex;
5245 if (wkr.kindex == cpu_to_le16(0xffff))
5247 rc = readWepKeyRid(ai, &wkr, 0, 1);
5250 } while (lastindex != wkr.kindex);
5254 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5255 u16 keylen, int perm, int lock)
5257 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5261 if (WARN_ON(keylen == 0))
5264 memset(&wkr, 0, sizeof(wkr));
5265 wkr.len = cpu_to_le16(sizeof(wkr));
5266 wkr.kindex = cpu_to_le16(index);
5267 wkr.klen = cpu_to_le16(keylen);
5268 memcpy(wkr.key, key, keylen);
5269 memcpy(wkr.mac, macaddr, ETH_ALEN);
5271 if (perm) disable_MAC(ai, lock);
5272 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5273 if (perm) enable_MAC(ai, lock);
5277 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5282 memset(&wkr, 0, sizeof(wkr));
5283 wkr.len = cpu_to_le16(sizeof(wkr));
5284 wkr.kindex = cpu_to_le16(0xffff);
5285 wkr.mac[0] = (char)index;
5288 ai->defindex = (char)index;
5289 disable_MAC(ai, lock);
5292 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5295 enable_MAC(ai, lock);
5299 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5300 struct proc_data *data;
5301 struct proc_dir_entry *dp = PDE(inode);
5302 struct net_device *dev = dp->data;
5303 struct airo_info *ai = dev->ml_priv;
5309 memset(key, 0, sizeof(key));
5311 data = file->private_data;
5312 if ( !data->writelen ) return;
5314 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5315 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5316 index = data->wbuffer[0] - '0';
5317 if (data->wbuffer[1] == '\n') {
5318 rc = set_wep_tx_idx(ai, index, 1, 1);
5320 airo_print_err(ai->dev->name, "failed to set "
5321 "WEP transmit index to %d: %d.",
5328 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5332 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5335 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5338 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5343 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5345 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5346 "%d: %d.", index, rc);
5350 static int proc_wepkey_open( struct inode *inode, struct file *file )
5352 struct proc_data *data;
5353 struct proc_dir_entry *dp = PDE(inode);
5354 struct net_device *dev = dp->data;
5355 struct airo_info *ai = dev->ml_priv;
5362 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5364 memset(&wkr, 0, sizeof(wkr));
5365 data = file->private_data;
5366 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5367 kfree (file->private_data);
5371 data->maxwritelen = 80;
5372 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5373 kfree (data->rbuffer);
5374 kfree (file->private_data);
5377 data->on_close = proc_wepkey_on_close;
5379 ptr = data->rbuffer;
5380 strcpy(ptr, "No wep keys\n");
5381 rc = readWepKeyRid(ai, &wkr, 1, 1);
5382 if (rc == SUCCESS) do {
5383 lastindex = wkr.kindex;
5384 if (wkr.kindex == cpu_to_le16(0xffff)) {
5385 j += sprintf(ptr+j, "Tx key = %d\n",
5388 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5389 le16_to_cpu(wkr.kindex),
5390 le16_to_cpu(wkr.klen));
5392 readWepKeyRid(ai, &wkr, 0, 1);
5393 } while((lastindex != wkr.kindex) && (j < 180-30));
5395 data->readlen = strlen( data->rbuffer );
5399 static int proc_SSID_open(struct inode *inode, struct file *file)
5401 struct proc_data *data;
5402 struct proc_dir_entry *dp = PDE(inode);
5403 struct net_device *dev = dp->data;
5404 struct airo_info *ai = dev->ml_priv;
5409 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5411 data = file->private_data;
5412 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5413 kfree (file->private_data);
5417 data->maxwritelen = 33*3;
5418 /* allocate maxwritelen + 1; we'll want a sentinel */
5419 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5420 kfree (data->rbuffer);
5421 kfree (file->private_data);
5424 data->on_close = proc_SSID_on_close;
5426 readSsidRid(ai, &SSID_rid);
5427 ptr = data->rbuffer;
5428 for (i = 0; i < 3; i++) {
5430 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5435 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5436 *ptr++ = SSID_rid.ssids[i].ssid[j];
5440 data->readlen = strlen( data->rbuffer );
5444 static int proc_APList_open( struct inode *inode, struct file *file ) {
5445 struct proc_data *data;
5446 struct proc_dir_entry *dp = PDE(inode);
5447 struct net_device *dev = dp->data;
5448 struct airo_info *ai = dev->ml_priv;
5451 APListRid APList_rid;
5453 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5455 data = file->private_data;
5456 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5457 kfree (file->private_data);
5461 data->maxwritelen = 4*6*3;
5462 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5463 kfree (data->rbuffer);
5464 kfree (file->private_data);
5467 data->on_close = proc_APList_on_close;
5469 readAPListRid(ai, &APList_rid);
5470 ptr = data->rbuffer;
5471 for( i = 0; i < 4; i++ ) {
5472 // We end when we find a zero MAC
5473 if ( !*(int*)APList_rid.ap[i] &&
5474 !*(int*)&APList_rid.ap[i][2]) break;
5475 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5477 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5480 data->readlen = strlen( data->rbuffer );
5484 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5485 struct proc_data *data;
5486 struct proc_dir_entry *dp = PDE(inode);
5487 struct net_device *dev = dp->data;
5488 struct airo_info *ai = dev->ml_priv;
5490 BSSListRid BSSList_rid;
5492 /* If doLoseSync is not 1, we won't do a Lose Sync */
5493 int doLoseSync = -1;
5495 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5497 data = file->private_data;
5498 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5499 kfree (file->private_data);
5503 data->maxwritelen = 0;
5504 data->wbuffer = NULL;
5505 data->on_close = NULL;
5507 if (file->f_mode & FMODE_WRITE) {
5508 if (!(file->f_mode & FMODE_READ)) {
5512 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5513 memset(&cmd, 0, sizeof(cmd));
5514 cmd.cmd=CMD_LISTBSS;
5515 if (down_interruptible(&ai->sem))
5516 return -ERESTARTSYS;
5517 issuecommand(ai, &cmd, &rsp);
5524 ptr = data->rbuffer;
5525 /* There is a race condition here if there are concurrent opens.
5526 Since it is a rare condition, we'll just live with it, otherwise
5527 we have to add a spin lock... */
5528 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5529 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5530 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5532 (int)BSSList_rid.ssidLen,
5534 le16_to_cpu(BSSList_rid.dBm));
5535 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5536 le16_to_cpu(BSSList_rid.dsChannel),
5537 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5538 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5539 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5540 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5541 rc = readBSSListRid(ai, 0, &BSSList_rid);
5544 data->readlen = strlen( data->rbuffer );
5548 static int proc_close( struct inode *inode, struct file *file )
5550 struct proc_data *data = file->private_data;
5552 if (data->on_close != NULL)
5553 data->on_close(inode, file);
5554 kfree(data->rbuffer);
5555 kfree(data->wbuffer);
5560 /* Since the card doesn't automatically switch to the right WEP mode,
5561 we will make it do it. If the card isn't associated, every secs we
5562 will switch WEP modes to see if that will help. If the card is
5563 associated we will check every minute to see if anything has
5565 static void timer_func( struct net_device *dev ) {
5566 struct airo_info *apriv = dev->ml_priv;
5568 /* We don't have a link so try changing the authtype */
5569 readConfigRid(apriv, 0);
5570 disable_MAC(apriv, 0);
5571 switch(apriv->config.authType) {
5573 /* So drop to OPEN */
5574 apriv->config.authType = AUTH_OPEN;
5576 case AUTH_SHAREDKEY:
5577 if (apriv->keyindex < auto_wep) {
5578 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5579 apriv->config.authType = AUTH_SHAREDKEY;
5582 /* Drop to ENCRYPT */
5583 apriv->keyindex = 0;
5584 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5585 apriv->config.authType = AUTH_ENCRYPT;
5588 default: /* We'll escalate to SHAREDKEY */
5589 apriv->config.authType = AUTH_SHAREDKEY;
5591 set_bit (FLAG_COMMIT, &apriv->flags);
5592 writeConfigRid(apriv, 0);
5593 enable_MAC(apriv, 0);
5596 /* Schedule check to see if the change worked */
5597 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5598 apriv->expires = RUN_AT(HZ*3);
5602 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5603 const struct pci_device_id *pent)
5605 struct net_device *dev;
5607 if (pci_enable_device(pdev))
5609 pci_set_master(pdev);
5611 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5612 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5614 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5616 pci_disable_device(pdev);
5620 pci_set_drvdata(pdev, dev);
5624 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5626 struct net_device *dev = pci_get_drvdata(pdev);
5628 airo_print_info(dev->name, "Unregistering...");
5629 stop_airo_card(dev, 1);
5630 pci_disable_device(pdev);
5631 pci_set_drvdata(pdev, NULL);
5634 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5636 struct net_device *dev = pci_get_drvdata(pdev);
5637 struct airo_info *ai = dev->ml_priv;
5642 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5646 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5649 readAPListRid(ai, ai->APList);
5650 readSsidRid(ai, ai->SSID);
5651 memset(&cmd, 0, sizeof(cmd));
5652 /* the lock will be released at the end of the resume callback */
5653 if (down_interruptible(&ai->sem))
5656 netif_device_detach(dev);
5658 cmd.cmd = HOSTSLEEP;
5659 issuecommand(ai, &cmd, &rsp);
5661 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5662 pci_save_state(pdev);
5663 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5667 static int airo_pci_resume(struct pci_dev *pdev)
5669 struct net_device *dev = pci_get_drvdata(pdev);
5670 struct airo_info *ai = dev->ml_priv;
5671 pci_power_t prev_state = pdev->current_state;
5673 pci_set_power_state(pdev, PCI_D0);
5674 pci_restore_state(pdev);
5675 pci_enable_wake(pdev, PCI_D0, 0);
5677 if (prev_state != PCI_D1) {
5679 mpi_init_descriptors(ai);
5680 setup_card(ai, dev->dev_addr, 0);
5681 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5682 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5684 OUT4500(ai, EVACK, EV_AWAKEN);
5685 OUT4500(ai, EVACK, EV_AWAKEN);
5689 set_bit(FLAG_COMMIT, &ai->flags);
5693 writeSsidRid(ai, ai->SSID, 0);
5698 writeAPListRid(ai, ai->APList, 0);
5702 writeConfigRid(ai, 0);
5704 ai->power = PMSG_ON;
5705 netif_device_attach(dev);
5706 netif_wake_queue(dev);
5707 enable_interrupts(ai);
5713 static int __init airo_init_module( void )
5717 airo_entry = create_proc_entry("driver/aironet",
5718 S_IFDIR | airo_perm,
5722 airo_entry->uid = proc_uid;
5723 airo_entry->gid = proc_gid;
5726 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5727 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5728 "io=0x%x", irq[i], io[i] );
5729 if (init_airo_card( irq[i], io[i], 0, NULL ))
5734 airo_print_info("", "Probing for PCI adapters");
5735 i = pci_register_driver(&airo_driver);
5736 airo_print_info("", "Finished probing for PCI adapters");
5739 remove_proc_entry("driver/aironet", NULL);
5744 /* Always exit with success, as we are a library module
5745 * as well as a driver module
5750 static void __exit airo_cleanup_module( void )
5752 struct airo_info *ai;
5753 while(!list_empty(&airo_devices)) {
5754 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5755 airo_print_info(ai->dev->name, "Unregistering...");
5756 stop_airo_card(ai->dev, 1);
5759 pci_unregister_driver(&airo_driver);
5761 remove_proc_entry("driver/aironet", NULL);
5765 * Initial Wireless Extension code for Aironet driver by :
5766 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5767 * Conversion to new driver API by :
5768 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5769 * Javier also did a good amount of work here, adding some new extensions
5770 * and fixing my code. Let's just say that without him this code just
5771 * would not work at all... - Jean II
5774 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5779 return (0x100 - rssi_rid[rssi].rssidBm);
5782 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5789 for (i = 0; i < 256; i++)
5790 if (rssi_rid[i].rssidBm == dbm)
5791 return rssi_rid[i].rssipct;
5797 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5802 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5805 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5808 sq = le16_to_cpu(status_rid->signalQuality);
5809 if (memcmp(cap_rid->prodName, "350", 3))
5813 quality = 0x20 - sq;
5820 quality = 0xb0 - sq;
5824 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5825 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5827 /*------------------------------------------------------------------*/
5829 * Wireless Handler : get protocol name
5831 static int airo_get_name(struct net_device *dev,
5832 struct iw_request_info *info,
5836 strcpy(cwrq, "IEEE 802.11-DS");
5840 /*------------------------------------------------------------------*/
5842 * Wireless Handler : set frequency
5844 static int airo_set_freq(struct net_device *dev,
5845 struct iw_request_info *info,
5846 struct iw_freq *fwrq,
5849 struct airo_info *local = dev->ml_priv;
5850 int rc = -EINPROGRESS; /* Call commit handler */
5852 /* If setting by frequency, convert to a channel */
5854 int f = fwrq->m / 100000;
5856 /* Hack to fall through... */
5858 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5860 /* Setting by channel number */
5861 if((fwrq->m > 1000) || (fwrq->e > 0))
5864 int channel = fwrq->m;
5865 /* We should do a better check than that,
5866 * based on the card capability !!! */
5867 if((channel < 1) || (channel > 14)) {
5868 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5872 readConfigRid(local, 1);
5873 /* Yes ! We can set it !!! */
5874 local->config.channelSet = cpu_to_le16(channel);
5875 set_bit (FLAG_COMMIT, &local->flags);
5881 /*------------------------------------------------------------------*/
5883 * Wireless Handler : get frequency
5885 static int airo_get_freq(struct net_device *dev,
5886 struct iw_request_info *info,
5887 struct iw_freq *fwrq,
5890 struct airo_info *local = dev->ml_priv;
5891 StatusRid status_rid; /* Card status info */
5894 readConfigRid(local, 1);
5895 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5896 status_rid.channel = local->config.channelSet;
5898 readStatusRid(local, &status_rid, 1);
5900 ch = le16_to_cpu(status_rid.channel);
5901 if((ch > 0) && (ch < 15)) {
5902 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5912 /*------------------------------------------------------------------*/
5914 * Wireless Handler : set ESSID
5916 static int airo_set_essid(struct net_device *dev,
5917 struct iw_request_info *info,
5918 struct iw_point *dwrq,
5921 struct airo_info *local = dev->ml_priv;
5922 SsidRid SSID_rid; /* SSIDs */
5924 /* Reload the list of current SSID */
5925 readSsidRid(local, &SSID_rid);
5927 /* Check if we asked for `any' */
5928 if (dwrq->flags == 0) {
5929 /* Just send an empty SSID list */
5930 memset(&SSID_rid, 0, sizeof(SSID_rid));
5932 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5934 /* Check the size of the string */
5935 if (dwrq->length > IW_ESSID_MAX_SIZE)
5938 /* Check if index is valid */
5939 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5943 memset(SSID_rid.ssids[index].ssid, 0,
5944 sizeof(SSID_rid.ssids[index].ssid));
5945 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5946 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5948 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5949 /* Write it to the card */
5950 disable_MAC(local, 1);
5951 writeSsidRid(local, &SSID_rid, 1);
5952 enable_MAC(local, 1);
5957 /*------------------------------------------------------------------*/
5959 * Wireless Handler : get ESSID
5961 static int airo_get_essid(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct iw_point *dwrq,
5966 struct airo_info *local = dev->ml_priv;
5967 StatusRid status_rid; /* Card status info */
5969 readStatusRid(local, &status_rid, 1);
5971 /* Note : if dwrq->flags != 0, we should
5972 * get the relevant SSID from the SSID list... */
5974 /* Get the current SSID */
5975 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5976 /* If none, we may want to get the one that was set */
5979 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5980 dwrq->flags = 1; /* active */
5985 /*------------------------------------------------------------------*/
5987 * Wireless Handler : set AP address
5989 static int airo_set_wap(struct net_device *dev,
5990 struct iw_request_info *info,
5991 struct sockaddr *awrq,
5994 struct airo_info *local = dev->ml_priv;
5997 APListRid APList_rid;
5998 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5999 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6001 if (awrq->sa_family != ARPHRD_ETHER)
6003 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6004 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6005 memset(&cmd, 0, sizeof(cmd));
6006 cmd.cmd=CMD_LOSE_SYNC;
6007 if (down_interruptible(&local->sem))
6008 return -ERESTARTSYS;
6009 issuecommand(local, &cmd, &rsp);
6012 memset(&APList_rid, 0, sizeof(APList_rid));
6013 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6014 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6015 disable_MAC(local, 1);
6016 writeAPListRid(local, &APList_rid, 1);
6017 enable_MAC(local, 1);
6022 /*------------------------------------------------------------------*/
6024 * Wireless Handler : get AP address
6026 static int airo_get_wap(struct net_device *dev,
6027 struct iw_request_info *info,
6028 struct sockaddr *awrq,
6031 struct airo_info *local = dev->ml_priv;
6032 StatusRid status_rid; /* Card status info */
6034 readStatusRid(local, &status_rid, 1);
6036 /* Tentative. This seems to work, wow, I'm lucky !!! */
6037 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6038 awrq->sa_family = ARPHRD_ETHER;
6043 /*------------------------------------------------------------------*/
6045 * Wireless Handler : set Nickname
6047 static int airo_set_nick(struct net_device *dev,
6048 struct iw_request_info *info,
6049 struct iw_point *dwrq,
6052 struct airo_info *local = dev->ml_priv;
6054 /* Check the size of the string */
6055 if(dwrq->length > 16) {
6058 readConfigRid(local, 1);
6059 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6060 memcpy(local->config.nodeName, extra, dwrq->length);
6061 set_bit (FLAG_COMMIT, &local->flags);
6063 return -EINPROGRESS; /* Call commit handler */
6066 /*------------------------------------------------------------------*/
6068 * Wireless Handler : get Nickname
6070 static int airo_get_nick(struct net_device *dev,
6071 struct iw_request_info *info,
6072 struct iw_point *dwrq,
6075 struct airo_info *local = dev->ml_priv;
6077 readConfigRid(local, 1);
6078 strncpy(extra, local->config.nodeName, 16);
6080 dwrq->length = strlen(extra);
6085 /*------------------------------------------------------------------*/
6087 * Wireless Handler : set Bit-Rate
6089 static int airo_set_rate(struct net_device *dev,
6090 struct iw_request_info *info,
6091 struct iw_param *vwrq,
6094 struct airo_info *local = dev->ml_priv;
6095 CapabilityRid cap_rid; /* Card capability info */
6099 /* First : get a valid bit rate value */
6100 readCapabilityRid(local, &cap_rid, 1);
6102 /* Which type of value ? */
6103 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6104 /* Setting by rate index */
6105 /* Find value in the magic rate table */
6106 brate = cap_rid.supportedRates[vwrq->value];
6108 /* Setting by frequency value */
6109 u8 normvalue = (u8) (vwrq->value/500000);
6111 /* Check if rate is valid */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(normvalue == cap_rid.supportedRates[i]) {
6119 /* -1 designed the max rate (mostly auto mode) */
6120 if(vwrq->value == -1) {
6121 /* Get the highest available rate */
6122 for(i = 0 ; i < 8 ; i++) {
6123 if(cap_rid.supportedRates[i] == 0)
6127 brate = cap_rid.supportedRates[i - 1];
6129 /* Check that it is valid */
6134 readConfigRid(local, 1);
6135 /* Now, check if we want a fixed or auto value */
6136 if(vwrq->fixed == 0) {
6137 /* Fill all the rates up to this max rate */
6138 memset(local->config.rates, 0, 8);
6139 for(i = 0 ; i < 8 ; i++) {
6140 local->config.rates[i] = cap_rid.supportedRates[i];
6141 if(local->config.rates[i] == brate)
6146 /* One rate, fixed */
6147 memset(local->config.rates, 0, 8);
6148 local->config.rates[0] = brate;
6150 set_bit (FLAG_COMMIT, &local->flags);
6152 return -EINPROGRESS; /* Call commit handler */
6155 /*------------------------------------------------------------------*/
6157 * Wireless Handler : get Bit-Rate
6159 static int airo_get_rate(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6164 struct airo_info *local = dev->ml_priv;
6165 StatusRid status_rid; /* Card status info */
6167 readStatusRid(local, &status_rid, 1);
6169 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6170 /* If more than one rate, set auto */
6171 readConfigRid(local, 1);
6172 vwrq->fixed = (local->config.rates[1] == 0);
6177 /*------------------------------------------------------------------*/
6179 * Wireless Handler : set RTS threshold
6181 static int airo_set_rts(struct net_device *dev,
6182 struct iw_request_info *info,
6183 struct iw_param *vwrq,
6186 struct airo_info *local = dev->ml_priv;
6187 int rthr = vwrq->value;
6190 rthr = AIRO_DEF_MTU;
6191 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6194 readConfigRid(local, 1);
6195 local->config.rtsThres = cpu_to_le16(rthr);
6196 set_bit (FLAG_COMMIT, &local->flags);
6198 return -EINPROGRESS; /* Call commit handler */
6201 /*------------------------------------------------------------------*/
6203 * Wireless Handler : get RTS threshold
6205 static int airo_get_rts(struct net_device *dev,
6206 struct iw_request_info *info,
6207 struct iw_param *vwrq,
6210 struct airo_info *local = dev->ml_priv;
6212 readConfigRid(local, 1);
6213 vwrq->value = le16_to_cpu(local->config.rtsThres);
6214 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6220 /*------------------------------------------------------------------*/
6222 * Wireless Handler : set Fragmentation threshold
6224 static int airo_set_frag(struct net_device *dev,
6225 struct iw_request_info *info,
6226 struct iw_param *vwrq,
6229 struct airo_info *local = dev->ml_priv;
6230 int fthr = vwrq->value;
6233 fthr = AIRO_DEF_MTU;
6234 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6237 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6238 readConfigRid(local, 1);
6239 local->config.fragThresh = cpu_to_le16(fthr);
6240 set_bit (FLAG_COMMIT, &local->flags);
6242 return -EINPROGRESS; /* Call commit handler */
6245 /*------------------------------------------------------------------*/
6247 * Wireless Handler : get Fragmentation threshold
6249 static int airo_get_frag(struct net_device *dev,
6250 struct iw_request_info *info,
6251 struct iw_param *vwrq,
6254 struct airo_info *local = dev->ml_priv;
6256 readConfigRid(local, 1);
6257 vwrq->value = le16_to_cpu(local->config.fragThresh);
6258 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6264 /*------------------------------------------------------------------*/
6266 * Wireless Handler : set Mode of Operation
6268 static int airo_set_mode(struct net_device *dev,
6269 struct iw_request_info *info,
6273 struct airo_info *local = dev->ml_priv;
6276 readConfigRid(local, 1);
6277 if (sniffing_mode(local))
6282 local->config.opmode &= ~MODE_CFG_MASK;
6283 local->config.opmode |= MODE_STA_IBSS;
6284 local->config.rmode &= ~RXMODE_FULL_MASK;
6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6289 local->config.opmode &= ~MODE_CFG_MASK;
6290 local->config.opmode |= MODE_STA_ESS;
6291 local->config.rmode &= ~RXMODE_FULL_MASK;
6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6295 case IW_MODE_MASTER:
6296 local->config.opmode &= ~MODE_CFG_MASK;
6297 local->config.opmode |= MODE_AP;
6298 local->config.rmode &= ~RXMODE_FULL_MASK;
6299 local->config.scanMode = SCANMODE_ACTIVE;
6300 clear_bit (FLAG_802_11, &local->flags);
6302 case IW_MODE_REPEAT:
6303 local->config.opmode &= ~MODE_CFG_MASK;
6304 local->config.opmode |= MODE_AP_RPTR;
6305 local->config.rmode &= ~RXMODE_FULL_MASK;
6306 local->config.scanMode = SCANMODE_ACTIVE;
6307 clear_bit (FLAG_802_11, &local->flags);
6309 case IW_MODE_MONITOR:
6310 local->config.opmode &= ~MODE_CFG_MASK;
6311 local->config.opmode |= MODE_STA_ESS;
6312 local->config.rmode &= ~RXMODE_FULL_MASK;
6313 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6314 local->config.scanMode = SCANMODE_PASSIVE;
6315 set_bit (FLAG_802_11, &local->flags);
6321 set_bit (FLAG_RESET, &local->flags);
6322 set_bit (FLAG_COMMIT, &local->flags);
6324 return -EINPROGRESS; /* Call commit handler */
6327 /*------------------------------------------------------------------*/
6329 * Wireless Handler : get Mode of Operation
6331 static int airo_get_mode(struct net_device *dev,
6332 struct iw_request_info *info,
6336 struct airo_info *local = dev->ml_priv;
6338 readConfigRid(local, 1);
6339 /* If not managed, assume it's ad-hoc */
6340 switch (local->config.opmode & MODE_CFG_MASK) {
6342 *uwrq = IW_MODE_INFRA;
6345 *uwrq = IW_MODE_MASTER;
6348 *uwrq = IW_MODE_REPEAT;
6351 *uwrq = IW_MODE_ADHOC;
6357 static inline int valid_index(struct airo_info *ai, int index)
6359 return (index >= 0) && (index <= ai->max_wep_idx);
6362 /*------------------------------------------------------------------*/
6364 * Wireless Handler : set Encryption Key
6366 static int airo_set_encode(struct net_device *dev,
6367 struct iw_request_info *info,
6368 struct iw_point *dwrq,
6371 struct airo_info *local = dev->ml_priv;
6372 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6373 __le16 currentAuthType = local->config.authType;
6376 if (!local->wep_capable)
6379 readConfigRid(local, 1);
6381 /* Basic checking: do we have a key to set ?
6382 * Note : with the new API, it's impossible to get a NULL pointer.
6383 * Therefore, we need to check a key size == 0 instead.
6384 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6385 * when no key is present (only change flags), but older versions
6386 * don't do it. - Jean II */
6387 if (dwrq->length > 0) {
6389 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6392 /* Check the size of the key */
6393 if (dwrq->length > MAX_KEY_SIZE) {
6397 current_index = get_wep_tx_idx(local);
6398 if (current_index < 0)
6401 /* Check the index (none -> use current) */
6402 if (!valid_index(local, index))
6403 index = current_index;
6405 /* Set the length */
6406 if (dwrq->length > MIN_KEY_SIZE)
6407 key.len = MAX_KEY_SIZE;
6409 key.len = MIN_KEY_SIZE;
6410 /* Check if the key is not marked as invalid */
6411 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6413 memset(key.key, 0, MAX_KEY_SIZE);
6414 /* Copy the key in the driver */
6415 memcpy(key.key, extra, dwrq->length);
6416 /* Send the key to the card */
6417 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6419 airo_print_err(local->dev->name, "failed to set"
6420 " WEP key at index %d: %d.",
6425 /* WE specify that if a valid key is set, encryption
6426 * should be enabled (user may turn it off later)
6427 * This is also how "iwconfig ethX key on" works */
6428 if((index == current_index) && (key.len > 0) &&
6429 (local->config.authType == AUTH_OPEN)) {
6430 local->config.authType = AUTH_ENCRYPT;
6433 /* Do we want to just set the transmit key index ? */
6434 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6435 if (valid_index(local, index)) {
6436 rc = set_wep_tx_idx(local, index, perm, 1);
6438 airo_print_err(local->dev->name, "failed to set"
6439 " WEP transmit index to %d: %d.",
6444 /* Don't complain if only change the mode */
6445 if (!(dwrq->flags & IW_ENCODE_MODE))
6449 /* Read the flags */
6450 if(dwrq->flags & IW_ENCODE_DISABLED)
6451 local->config.authType = AUTH_OPEN; // disable encryption
6452 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6453 local->config.authType = AUTH_SHAREDKEY; // Only Both
6454 if(dwrq->flags & IW_ENCODE_OPEN)
6455 local->config.authType = AUTH_ENCRYPT; // Only Wep
6456 /* Commit the changes to flags if needed */
6457 if (local->config.authType != currentAuthType)
6458 set_bit (FLAG_COMMIT, &local->flags);
6459 return -EINPROGRESS; /* Call commit handler */
6462 /*------------------------------------------------------------------*/
6464 * Wireless Handler : get Encryption Key
6466 static int airo_get_encode(struct net_device *dev,
6467 struct iw_request_info *info,
6468 struct iw_point *dwrq,
6471 struct airo_info *local = dev->ml_priv;
6472 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6476 if (!local->wep_capable)
6479 readConfigRid(local, 1);
6481 /* Check encryption mode */
6482 switch(local->config.authType) {
6484 dwrq->flags = IW_ENCODE_OPEN;
6486 case AUTH_SHAREDKEY:
6487 dwrq->flags = IW_ENCODE_RESTRICTED;
6491 dwrq->flags = IW_ENCODE_DISABLED;
6494 /* We can't return the key, so set the proper flag and return zero */
6495 dwrq->flags |= IW_ENCODE_NOKEY;
6496 memset(extra, 0, 16);
6498 /* Which key do we want ? -1 -> tx index */
6499 if (!valid_index(local, index)) {
6500 index = get_wep_tx_idx(local);
6504 dwrq->flags |= index + 1;
6506 /* Copy the key to the user buffer */
6507 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6508 if (wep_key_len < 0) {
6511 dwrq->length = wep_key_len;
6512 memcpy(extra, buf, dwrq->length);
6518 /*------------------------------------------------------------------*/
6520 * Wireless Handler : set extended Encryption parameters
6522 static int airo_set_encodeext(struct net_device *dev,
6523 struct iw_request_info *info,
6524 union iwreq_data *wrqu,
6527 struct airo_info *local = dev->ml_priv;
6528 struct iw_point *encoding = &wrqu->encoding;
6529 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6530 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6531 __le16 currentAuthType = local->config.authType;
6532 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6535 if (!local->wep_capable)
6538 readConfigRid(local, 1);
6540 /* Determine and validate the key index */
6541 idx = encoding->flags & IW_ENCODE_INDEX;
6543 if (!valid_index(local, idx - 1))
6547 idx = get_wep_tx_idx(local);
6552 if (encoding->flags & IW_ENCODE_DISABLED)
6553 alg = IW_ENCODE_ALG_NONE;
6555 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6556 /* Only set transmit key index here, actual
6557 * key is set below if needed.
6559 rc = set_wep_tx_idx(local, idx, perm, 1);
6561 airo_print_err(local->dev->name, "failed to set "
6562 "WEP transmit index to %d: %d.",
6566 set_key = ext->key_len > 0 ? 1 : 0;
6570 /* Set the requested key first */
6571 memset(key.key, 0, MAX_KEY_SIZE);
6573 case IW_ENCODE_ALG_NONE:
6576 case IW_ENCODE_ALG_WEP:
6577 if (ext->key_len > MIN_KEY_SIZE) {
6578 key.len = MAX_KEY_SIZE;
6579 } else if (ext->key_len > 0) {
6580 key.len = MIN_KEY_SIZE;
6584 key_len = min (ext->key_len, key.len);
6585 memcpy(key.key, ext->key, key_len);
6591 rc = set_wep_tx_idx(local, idx, perm, 1);
6593 airo_print_err(local->dev->name,
6594 "failed to set WEP transmit index to %d: %d.",
6599 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6601 airo_print_err(local->dev->name,
6602 "failed to set WEP key at index %d: %d.",
6609 /* Read the flags */
6610 if(encoding->flags & IW_ENCODE_DISABLED)
6611 local->config.authType = AUTH_OPEN; // disable encryption
6612 if(encoding->flags & IW_ENCODE_RESTRICTED)
6613 local->config.authType = AUTH_SHAREDKEY; // Only Both
6614 if(encoding->flags & IW_ENCODE_OPEN)
6615 local->config.authType = AUTH_ENCRYPT; // Only Wep
6616 /* Commit the changes to flags if needed */
6617 if (local->config.authType != currentAuthType)
6618 set_bit (FLAG_COMMIT, &local->flags);
6620 return -EINPROGRESS;
6624 /*------------------------------------------------------------------*/
6626 * Wireless Handler : get extended Encryption parameters
6628 static int airo_get_encodeext(struct net_device *dev,
6629 struct iw_request_info *info,
6630 union iwreq_data *wrqu,
6633 struct airo_info *local = dev->ml_priv;
6634 struct iw_point *encoding = &wrqu->encoding;
6635 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6636 int idx, max_key_len, wep_key_len;
6639 if (!local->wep_capable)
6642 readConfigRid(local, 1);
6644 max_key_len = encoding->length - sizeof(*ext);
6645 if (max_key_len < 0)
6648 idx = encoding->flags & IW_ENCODE_INDEX;
6650 if (!valid_index(local, idx - 1))
6654 idx = get_wep_tx_idx(local);
6659 encoding->flags = idx + 1;
6660 memset(ext, 0, sizeof(*ext));
6662 /* Check encryption mode */
6663 switch(local->config.authType) {
6665 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6667 case AUTH_SHAREDKEY:
6668 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6672 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6675 /* We can't return the key, so set the proper flag and return zero */
6676 encoding->flags |= IW_ENCODE_NOKEY;
6677 memset(extra, 0, 16);
6679 /* Copy the key to the user buffer */
6680 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6681 if (wep_key_len < 0) {
6684 ext->key_len = wep_key_len;
6685 memcpy(extra, buf, ext->key_len);
6692 /*------------------------------------------------------------------*/
6694 * Wireless Handler : set extended authentication parameters
6696 static int airo_set_auth(struct net_device *dev,
6697 struct iw_request_info *info,
6698 union iwreq_data *wrqu, char *extra)
6700 struct airo_info *local = dev->ml_priv;
6701 struct iw_param *param = &wrqu->param;
6702 __le16 currentAuthType = local->config.authType;
6704 switch (param->flags & IW_AUTH_INDEX) {
6705 case IW_AUTH_WPA_VERSION:
6706 case IW_AUTH_CIPHER_PAIRWISE:
6707 case IW_AUTH_CIPHER_GROUP:
6708 case IW_AUTH_KEY_MGMT:
6709 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6710 case IW_AUTH_PRIVACY_INVOKED:
6712 * airo does not use these parameters
6716 case IW_AUTH_DROP_UNENCRYPTED:
6718 /* Only change auth type if unencrypted */
6719 if (currentAuthType == AUTH_OPEN)
6720 local->config.authType = AUTH_ENCRYPT;
6722 local->config.authType = AUTH_OPEN;
6725 /* Commit the changes to flags if needed */
6726 if (local->config.authType != currentAuthType)
6727 set_bit (FLAG_COMMIT, &local->flags);
6730 case IW_AUTH_80211_AUTH_ALG: {
6731 /* FIXME: What about AUTH_OPEN? This API seems to
6732 * disallow setting our auth to AUTH_OPEN.
6734 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6735 local->config.authType = AUTH_SHAREDKEY;
6736 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6737 local->config.authType = AUTH_ENCRYPT;
6741 /* Commit the changes to flags if needed */
6742 if (local->config.authType != currentAuthType)
6743 set_bit (FLAG_COMMIT, &local->flags);
6747 case IW_AUTH_WPA_ENABLED:
6748 /* Silently accept disable of WPA */
6749 if (param->value > 0)
6756 return -EINPROGRESS;
6760 /*------------------------------------------------------------------*/
6762 * Wireless Handler : get extended authentication parameters
6764 static int airo_get_auth(struct net_device *dev,
6765 struct iw_request_info *info,
6766 union iwreq_data *wrqu, char *extra)
6768 struct airo_info *local = dev->ml_priv;
6769 struct iw_param *param = &wrqu->param;
6770 __le16 currentAuthType = local->config.authType;
6772 switch (param->flags & IW_AUTH_INDEX) {
6773 case IW_AUTH_DROP_UNENCRYPTED:
6774 switch (currentAuthType) {
6775 case AUTH_SHAREDKEY:
6785 case IW_AUTH_80211_AUTH_ALG:
6786 switch (currentAuthType) {
6787 case AUTH_SHAREDKEY:
6788 param->value = IW_AUTH_ALG_SHARED_KEY;
6792 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6797 case IW_AUTH_WPA_ENABLED:
6808 /*------------------------------------------------------------------*/
6810 * Wireless Handler : set Tx-Power
6812 static int airo_set_txpow(struct net_device *dev,
6813 struct iw_request_info *info,
6814 struct iw_param *vwrq,
6817 struct airo_info *local = dev->ml_priv;
6818 CapabilityRid cap_rid; /* Card capability info */
6821 __le16 v = cpu_to_le16(vwrq->value);
6823 readCapabilityRid(local, &cap_rid, 1);
6825 if (vwrq->disabled) {
6826 set_bit (FLAG_RADIO_OFF, &local->flags);
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 return -EINPROGRESS; /* Call commit handler */
6830 if (vwrq->flags != IW_TXPOW_MWATT) {
6833 clear_bit (FLAG_RADIO_OFF, &local->flags);
6834 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6835 if (v == cap_rid.txPowerLevels[i]) {
6836 readConfigRid(local, 1);
6837 local->config.txPower = v;
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6845 /*------------------------------------------------------------------*/
6847 * Wireless Handler : get Tx-Power
6849 static int airo_get_txpow(struct net_device *dev,
6850 struct iw_request_info *info,
6851 struct iw_param *vwrq,
6854 struct airo_info *local = dev->ml_priv;
6856 readConfigRid(local, 1);
6857 vwrq->value = le16_to_cpu(local->config.txPower);
6858 vwrq->fixed = 1; /* No power control */
6859 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6860 vwrq->flags = IW_TXPOW_MWATT;
6865 /*------------------------------------------------------------------*/
6867 * Wireless Handler : set Retry limits
6869 static int airo_set_retry(struct net_device *dev,
6870 struct iw_request_info *info,
6871 struct iw_param *vwrq,
6874 struct airo_info *local = dev->ml_priv;
6877 if(vwrq->disabled) {
6880 readConfigRid(local, 1);
6881 if(vwrq->flags & IW_RETRY_LIMIT) {
6882 __le16 v = cpu_to_le16(vwrq->value);
6883 if(vwrq->flags & IW_RETRY_LONG)
6884 local->config.longRetryLimit = v;
6885 else if (vwrq->flags & IW_RETRY_SHORT)
6886 local->config.shortRetryLimit = v;
6888 /* No modifier : set both */
6889 local->config.longRetryLimit = v;
6890 local->config.shortRetryLimit = v;
6892 set_bit (FLAG_COMMIT, &local->flags);
6893 rc = -EINPROGRESS; /* Call commit handler */
6895 if(vwrq->flags & IW_RETRY_LIFETIME) {
6896 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6897 set_bit (FLAG_COMMIT, &local->flags);
6898 rc = -EINPROGRESS; /* Call commit handler */
6903 /*------------------------------------------------------------------*/
6905 * Wireless Handler : get Retry limits
6907 static int airo_get_retry(struct net_device *dev,
6908 struct iw_request_info *info,
6909 struct iw_param *vwrq,
6912 struct airo_info *local = dev->ml_priv;
6914 vwrq->disabled = 0; /* Can't be disabled */
6916 readConfigRid(local, 1);
6917 /* Note : by default, display the min retry number */
6918 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6919 vwrq->flags = IW_RETRY_LIFETIME;
6920 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6921 } else if((vwrq->flags & IW_RETRY_LONG)) {
6922 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6923 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6925 vwrq->flags = IW_RETRY_LIMIT;
6926 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6927 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6928 vwrq->flags |= IW_RETRY_SHORT;
6934 /*------------------------------------------------------------------*/
6936 * Wireless Handler : get range info
6938 static int airo_get_range(struct net_device *dev,
6939 struct iw_request_info *info,
6940 struct iw_point *dwrq,
6943 struct airo_info *local = dev->ml_priv;
6944 struct iw_range *range = (struct iw_range *) extra;
6945 CapabilityRid cap_rid; /* Card capability info */
6949 readCapabilityRid(local, &cap_rid, 1);
6951 dwrq->length = sizeof(struct iw_range);
6952 memset(range, 0, sizeof(*range));
6953 range->min_nwid = 0x0000;
6954 range->max_nwid = 0x0000;
6955 range->num_channels = 14;
6956 /* Should be based on cap_rid.country to give only
6957 * what the current card support */
6959 for(i = 0; i < 14; i++) {
6960 range->freq[k].i = i + 1; /* List index */
6961 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6962 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6964 range->num_frequency = k;
6966 range->sensitivity = 65535;
6968 /* Hum... Should put the right values there */
6970 range->max_qual.qual = 100; /* % */
6972 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6973 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6974 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6976 /* Experimental measurements - boundary 11/5.5 Mb/s */
6977 /* Note : with or without the (local->rssi), results
6978 * are somewhat different. - Jean II */
6980 range->avg_qual.qual = 50; /* % */
6981 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6983 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6984 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6986 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6988 for(i = 0 ; i < 8 ; i++) {
6989 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6990 if(range->bitrate[i] == 0)
6993 range->num_bitrates = i;
6995 /* Set an indication of the max TCP throughput
6996 * in bit/s that we can expect using this interface.
6997 * May be use for QoS stuff... Jean II */
6999 range->throughput = 5000 * 1000;
7001 range->throughput = 1500 * 1000;
7004 range->max_rts = AIRO_DEF_MTU;
7005 range->min_frag = 256;
7006 range->max_frag = AIRO_DEF_MTU;
7008 if(cap_rid.softCap & cpu_to_le16(2)) {
7010 range->encoding_size[0] = 5;
7012 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7013 range->encoding_size[1] = 13;
7014 range->num_encoding_sizes = 2;
7016 range->num_encoding_sizes = 1;
7017 range->max_encoding_tokens =
7018 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7020 range->num_encoding_sizes = 0;
7021 range->max_encoding_tokens = 0;
7024 range->max_pmp = 5000000; /* 5 secs */
7026 range->max_pmt = 65535 * 1024; /* ??? */
7027 range->pmp_flags = IW_POWER_PERIOD;
7028 range->pmt_flags = IW_POWER_TIMEOUT;
7029 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7031 /* Transmit Power - values are in mW */
7032 for(i = 0 ; i < 8 ; i++) {
7033 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7034 if(range->txpower[i] == 0)
7037 range->num_txpower = i;
7038 range->txpower_capa = IW_TXPOW_MWATT;
7039 range->we_version_source = 19;
7040 range->we_version_compiled = WIRELESS_EXT;
7041 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7042 range->retry_flags = IW_RETRY_LIMIT;
7043 range->r_time_flags = IW_RETRY_LIFETIME;
7044 range->min_retry = 1;
7045 range->max_retry = 65535;
7046 range->min_r_time = 1024;
7047 range->max_r_time = 65535 * 1024;
7049 /* Event capability (kernel + driver) */
7050 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7051 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7052 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7053 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7054 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7055 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7059 /*------------------------------------------------------------------*/
7061 * Wireless Handler : set Power Management
7063 static int airo_set_power(struct net_device *dev,
7064 struct iw_request_info *info,
7065 struct iw_param *vwrq,
7068 struct airo_info *local = dev->ml_priv;
7070 readConfigRid(local, 1);
7071 if (vwrq->disabled) {
7072 if (sniffing_mode(local))
7074 local->config.powerSaveMode = POWERSAVE_CAM;
7075 local->config.rmode &= ~RXMODE_MASK;
7076 local->config.rmode |= RXMODE_BC_MC_ADDR;
7077 set_bit (FLAG_COMMIT, &local->flags);
7078 return -EINPROGRESS; /* Call commit handler */
7080 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7081 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7082 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7083 set_bit (FLAG_COMMIT, &local->flags);
7084 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7085 local->config.fastListenInterval =
7086 local->config.listenInterval =
7087 cpu_to_le16((vwrq->value + 500) / 1024);
7088 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7089 set_bit (FLAG_COMMIT, &local->flags);
7091 switch (vwrq->flags & IW_POWER_MODE) {
7092 case IW_POWER_UNICAST_R:
7093 if (sniffing_mode(local))
7095 local->config.rmode &= ~RXMODE_MASK;
7096 local->config.rmode |= RXMODE_ADDR;
7097 set_bit (FLAG_COMMIT, &local->flags);
7099 case IW_POWER_ALL_R:
7100 if (sniffing_mode(local))
7102 local->config.rmode &= ~RXMODE_MASK;
7103 local->config.rmode |= RXMODE_BC_MC_ADDR;
7104 set_bit (FLAG_COMMIT, &local->flags);
7106 /* This is broken, fixme ;-) */
7111 // Note : we may want to factor local->need_commit here
7112 // Note2 : may also want to factor RXMODE_RFMON test
7113 return -EINPROGRESS; /* Call commit handler */
7116 /*------------------------------------------------------------------*/
7118 * Wireless Handler : get Power Management
7120 static int airo_get_power(struct net_device *dev,
7121 struct iw_request_info *info,
7122 struct iw_param *vwrq,
7125 struct airo_info *local = dev->ml_priv;
7128 readConfigRid(local, 1);
7129 mode = local->config.powerSaveMode;
7130 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7132 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7133 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7134 vwrq->flags = IW_POWER_TIMEOUT;
7136 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7137 vwrq->flags = IW_POWER_PERIOD;
7139 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7140 vwrq->flags |= IW_POWER_UNICAST_R;
7142 vwrq->flags |= IW_POWER_ALL_R;
7147 /*------------------------------------------------------------------*/
7149 * Wireless Handler : set Sensitivity
7151 static int airo_set_sens(struct net_device *dev,
7152 struct iw_request_info *info,
7153 struct iw_param *vwrq,
7156 struct airo_info *local = dev->ml_priv;
7158 readConfigRid(local, 1);
7159 local->config.rssiThreshold =
7160 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7161 set_bit (FLAG_COMMIT, &local->flags);
7163 return -EINPROGRESS; /* Call commit handler */
7166 /*------------------------------------------------------------------*/
7168 * Wireless Handler : get Sensitivity
7170 static int airo_get_sens(struct net_device *dev,
7171 struct iw_request_info *info,
7172 struct iw_param *vwrq,
7175 struct airo_info *local = dev->ml_priv;
7177 readConfigRid(local, 1);
7178 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7179 vwrq->disabled = (vwrq->value == 0);
7185 /*------------------------------------------------------------------*/
7187 * Wireless Handler : get AP List
7188 * Note : this is deprecated in favor of IWSCAN
7190 static int airo_get_aplist(struct net_device *dev,
7191 struct iw_request_info *info,
7192 struct iw_point *dwrq,
7195 struct airo_info *local = dev->ml_priv;
7196 struct sockaddr *address = (struct sockaddr *) extra;
7197 struct iw_quality *qual;
7200 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7202 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7206 for (i = 0; i < IW_MAX_AP; i++) {
7208 if (readBSSListRid(local, loseSync, &BSSList))
7211 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7212 address[i].sa_family = ARPHRD_ETHER;
7213 dBm = le16_to_cpu(BSSList.dBm);
7215 qual[i].level = 0x100 - dBm;
7216 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7217 qual[i].updated = IW_QUAL_QUAL_UPDATED
7218 | IW_QUAL_LEVEL_UPDATED
7221 qual[i].level = (dBm + 321) / 2;
7223 qual[i].updated = IW_QUAL_QUAL_INVALID
7224 | IW_QUAL_LEVEL_UPDATED
7227 qual[i].noise = local->wstats.qual.noise;
7228 if (BSSList.index == cpu_to_le16(0xffff))
7232 StatusRid status_rid; /* Card status info */
7233 readStatusRid(local, &status_rid, 1);
7235 i < min(IW_MAX_AP, 4) &&
7236 (status_rid.bssid[i][0]
7237 & status_rid.bssid[i][1]
7238 & status_rid.bssid[i][2]
7239 & status_rid.bssid[i][3]
7240 & status_rid.bssid[i][4]
7241 & status_rid.bssid[i][5])!=0xff &&
7242 (status_rid.bssid[i][0]
7243 | status_rid.bssid[i][1]
7244 | status_rid.bssid[i][2]
7245 | status_rid.bssid[i][3]
7246 | status_rid.bssid[i][4]
7247 | status_rid.bssid[i][5]);
7249 memcpy(address[i].sa_data,
7250 status_rid.bssid[i], ETH_ALEN);
7251 address[i].sa_family = ARPHRD_ETHER;
7254 dwrq->flags = 1; /* Should be define'd */
7255 memcpy(extra + sizeof(struct sockaddr)*i,
7256 &qual, sizeof(struct iw_quality)*i);
7264 /*------------------------------------------------------------------*/
7266 * Wireless Handler : Initiate Scan
7268 static int airo_set_scan(struct net_device *dev,
7269 struct iw_request_info *info,
7270 struct iw_point *dwrq,
7273 struct airo_info *ai = dev->ml_priv;
7278 /* Note : you may have realised that, as this is a SET operation,
7279 * this is privileged and therefore a normal user can't
7281 * This is not an error, while the device perform scanning,
7282 * traffic doesn't flow, so it's a perfect DoS...
7284 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7286 if (down_interruptible(&ai->sem))
7287 return -ERESTARTSYS;
7289 /* If there's already a scan in progress, don't
7290 * trigger another one. */
7291 if (ai->scan_timeout > 0)
7294 /* Initiate a scan command */
7295 ai->scan_timeout = RUN_AT(3*HZ);
7296 memset(&cmd, 0, sizeof(cmd));
7297 cmd.cmd=CMD_LISTBSS;
7298 issuecommand(ai, &cmd, &rsp);
7304 wake_up_interruptible(&ai->thr_wait);
7308 /*------------------------------------------------------------------*/
7310 * Translate scan data returned from the card to a card independent
7311 * format that the Wireless Tools will understand - Jean II
7313 static inline char *airo_translate_scan(struct net_device *dev,
7314 struct iw_request_info *info,
7319 struct airo_info *ai = dev->ml_priv;
7320 struct iw_event iwe; /* Temporary buffer */
7321 __le16 capabilities;
7322 char * current_val; /* For rates */
7327 /* First entry *MUST* be the AP MAC address */
7328 iwe.cmd = SIOCGIWAP;
7329 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7330 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7331 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7332 &iwe, IW_EV_ADDR_LEN);
7334 /* Other entries will be displayed in the order we give them */
7337 iwe.u.data.length = bss->ssidLen;
7338 if(iwe.u.data.length > 32)
7339 iwe.u.data.length = 32;
7340 iwe.cmd = SIOCGIWESSID;
7341 iwe.u.data.flags = 1;
7342 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7346 iwe.cmd = SIOCGIWMODE;
7347 capabilities = bss->cap;
7348 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7349 if(capabilities & CAP_ESS)
7350 iwe.u.mode = IW_MODE_MASTER;
7352 iwe.u.mode = IW_MODE_ADHOC;
7353 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7354 &iwe, IW_EV_UINT_LEN);
7358 iwe.cmd = SIOCGIWFREQ;
7359 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7360 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7362 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7363 &iwe, IW_EV_FREQ_LEN);
7365 dBm = le16_to_cpu(bss->dBm);
7367 /* Add quality statistics */
7370 iwe.u.qual.level = 0x100 - dBm;
7371 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7372 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7373 | IW_QUAL_LEVEL_UPDATED
7376 iwe.u.qual.level = (dBm + 321) / 2;
7377 iwe.u.qual.qual = 0;
7378 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7379 | IW_QUAL_LEVEL_UPDATED
7382 iwe.u.qual.noise = ai->wstats.qual.noise;
7383 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7384 &iwe, IW_EV_QUAL_LEN);
7386 /* Add encryption capability */
7387 iwe.cmd = SIOCGIWENCODE;
7388 if(capabilities & CAP_PRIVACY)
7389 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7391 iwe.u.data.flags = IW_ENCODE_DISABLED;
7392 iwe.u.data.length = 0;
7393 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7396 /* Rate : stuffing multiple values in a single event require a bit
7397 * more of magic - Jean II */
7398 current_val = current_ev + iwe_stream_lcp_len(info);
7400 iwe.cmd = SIOCGIWRATE;
7401 /* Those two flags are ignored... */
7402 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7404 for(i = 0 ; i < 8 ; i++) {
7405 /* NULL terminated */
7406 if(bss->rates[i] == 0)
7408 /* Bit rate given in 500 kb/s units (+ 0x80) */
7409 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7410 /* Add new value to event */
7411 current_val = iwe_stream_add_value(info, current_ev,
7412 current_val, end_buf,
7413 &iwe, IW_EV_PARAM_LEN);
7415 /* Check if we added any event */
7416 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7417 current_ev = current_val;
7419 /* Beacon interval */
7420 buf = kmalloc(30, GFP_KERNEL);
7422 iwe.cmd = IWEVCUSTOM;
7423 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7424 iwe.u.data.length = strlen(buf);
7425 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7430 /* Put WPA/RSN Information Elements into the event stream */
7431 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7432 unsigned int num_null_ies = 0;
7433 u16 length = sizeof (bss->extra.iep);
7434 u8 *ie = (void *)&bss->extra.iep;
7436 while ((length >= 2) && (num_null_ies < 2)) {
7437 if (2 + ie[1] > length) {
7438 /* Invalid element, don't continue parsing IE */
7444 /* Two zero-length SSID elements
7445 * mean we're done parsing elements */
7450 case WLAN_EID_GENERIC:
7456 iwe.cmd = IWEVGENIE;
7457 /* 64 is an arbitrary cut-off */
7458 iwe.u.data.length = min(ie[1] + 2,
7460 current_ev = iwe_stream_add_point(
7467 iwe.cmd = IWEVGENIE;
7468 /* 64 is an arbitrary cut-off */
7469 iwe.u.data.length = min(ie[1] + 2, 64);
7470 current_ev = iwe_stream_add_point(
7471 info, current_ev, end_buf,
7479 length -= 2 + ie[1];
7486 /*------------------------------------------------------------------*/
7488 * Wireless Handler : Read Scan Results
7490 static int airo_get_scan(struct net_device *dev,
7491 struct iw_request_info *info,
7492 struct iw_point *dwrq,
7495 struct airo_info *ai = dev->ml_priv;
7496 BSSListElement *net;
7498 char *current_ev = extra;
7500 /* If a scan is in-progress, return -EAGAIN */
7501 if (ai->scan_timeout > 0)
7504 if (down_interruptible(&ai->sem))
7507 list_for_each_entry (net, &ai->network_list, list) {
7508 /* Translate to WE format this entry */
7509 current_ev = airo_translate_scan(dev, info, current_ev,
7510 extra + dwrq->length,
7513 /* Check if there is space for one more entry */
7514 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7515 /* Ask user space to try again with a bigger buffer */
7521 /* Length of data */
7522 dwrq->length = (current_ev - extra);
7523 dwrq->flags = 0; /* todo */
7530 /*------------------------------------------------------------------*/
7532 * Commit handler : called after a bunch of SET operations
7534 static int airo_config_commit(struct net_device *dev,
7535 struct iw_request_info *info, /* NULL */
7536 void *zwrq, /* NULL */
7537 char *extra) /* NULL */
7539 struct airo_info *local = dev->ml_priv;
7541 if (!test_bit (FLAG_COMMIT, &local->flags))
7544 /* Some of the "SET" function may have modified some of the
7545 * parameters. It's now time to commit them in the card */
7546 disable_MAC(local, 1);
7547 if (test_bit (FLAG_RESET, &local->flags)) {
7548 APListRid APList_rid;
7551 readAPListRid(local, &APList_rid);
7552 readSsidRid(local, &SSID_rid);
7553 if (test_bit(FLAG_MPI,&local->flags))
7554 setup_card(local, dev->dev_addr, 1 );
7556 reset_airo_card(dev);
7557 disable_MAC(local, 1);
7558 writeSsidRid(local, &SSID_rid, 1);
7559 writeAPListRid(local, &APList_rid, 1);
7561 if (down_interruptible(&local->sem))
7562 return -ERESTARTSYS;
7563 writeConfigRid(local, 0);
7564 enable_MAC(local, 0);
7565 if (test_bit (FLAG_RESET, &local->flags))
7566 airo_set_promisc(local);
7573 /*------------------------------------------------------------------*/
7575 * Structures to export the Wireless Handlers
7578 static const struct iw_priv_args airo_private_args[] = {
7579 /*{ cmd, set_args, get_args, name } */
7580 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7581 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7582 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7583 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7586 static const iw_handler airo_handler[] =
7588 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7589 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7590 (iw_handler) NULL, /* SIOCSIWNWID */
7591 (iw_handler) NULL, /* SIOCGIWNWID */
7592 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7593 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7594 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7595 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7596 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7597 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7598 (iw_handler) NULL, /* SIOCSIWRANGE */
7599 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7600 (iw_handler) NULL, /* SIOCSIWPRIV */
7601 (iw_handler) NULL, /* SIOCGIWPRIV */
7602 (iw_handler) NULL, /* SIOCSIWSTATS */
7603 (iw_handler) NULL, /* SIOCGIWSTATS */
7604 iw_handler_set_spy, /* SIOCSIWSPY */
7605 iw_handler_get_spy, /* SIOCGIWSPY */
7606 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7607 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7608 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7609 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7610 (iw_handler) NULL, /* -- hole -- */
7611 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7612 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7613 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7614 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7615 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7616 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7617 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7618 (iw_handler) NULL, /* -- hole -- */
7619 (iw_handler) NULL, /* -- hole -- */
7620 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7621 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7622 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7623 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7624 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7625 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7626 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7627 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7628 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7629 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7630 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7631 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7632 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7633 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7634 (iw_handler) NULL, /* -- hole -- */
7635 (iw_handler) NULL, /* -- hole -- */
7636 (iw_handler) NULL, /* SIOCSIWGENIE */
7637 (iw_handler) NULL, /* SIOCGIWGENIE */
7638 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7639 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7640 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7641 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7642 (iw_handler) NULL, /* SIOCSIWPMKSA */
7645 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7646 * We want to force the use of the ioctl code, because those can't be
7647 * won't work the iw_handler code (because they simultaneously read
7648 * and write data and iw_handler can't do that).
7649 * Note that it's perfectly legal to read/write on a single ioctl command,
7650 * you just can't use iwpriv and need to force it via the ioctl handler.
7652 static const iw_handler airo_private_handler[] =
7654 NULL, /* SIOCIWFIRSTPRIV */
7657 static const struct iw_handler_def airo_handler_def =
7659 .num_standard = ARRAY_SIZE(airo_handler),
7660 .num_private = ARRAY_SIZE(airo_private_handler),
7661 .num_private_args = ARRAY_SIZE(airo_private_args),
7662 .standard = airo_handler,
7663 .private = airo_private_handler,
7664 .private_args = airo_private_args,
7665 .get_wireless_stats = airo_get_wireless_stats,
7669 * This defines the configuration part of the Wireless Extensions
7670 * Note : irq and spinlock protection will occur in the subroutines
7673 * o Check input value more carefully and fill correct values in range
7674 * o Test and shakeout the bugs (if any)
7678 * Javier Achirica did a great job of merging code from the unnamed CISCO
7679 * developer that added support for flashing the card.
7681 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7684 struct airo_info *ai = dev->ml_priv;
7686 if (ai->power.event)
7696 int val = AIROMAGIC;
7698 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7700 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7709 /* Get the command struct and hand it off for evaluation by
7710 * the proper subfunction
7714 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7719 /* Separate R/W functions bracket legality here
7721 if ( com.command == AIRORSWVERSION ) {
7722 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7727 else if ( com.command <= AIRORRID)
7728 rc = readrids(dev,&com);
7729 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7730 rc = writerids(dev,&com);
7731 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7732 rc = flashcard(dev,&com);
7734 rc = -EINVAL; /* Bad command in ioctl */
7737 #endif /* CISCO_EXT */
7739 // All other calls are currently unsupported
7747 * Get the Wireless stats out of the driver
7748 * Note : irq and spinlock protection will occur in the subroutines
7751 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7755 static void airo_read_wireless_stats(struct airo_info *local)
7757 StatusRid status_rid;
7759 CapabilityRid cap_rid;
7760 __le32 *vals = stats_rid.vals;
7762 /* Get stats out of the card */
7763 clear_bit(JOB_WSTATS, &local->jobs);
7764 if (local->power.event) {
7768 readCapabilityRid(local, &cap_rid, 0);
7769 readStatusRid(local, &status_rid, 0);
7770 readStatsRid(local, &stats_rid, RID_STATS, 0);
7774 local->wstats.status = le16_to_cpu(status_rid.mode);
7776 /* Signal quality and co */
7778 local->wstats.qual.level =
7779 airo_rssi_to_dbm(local->rssi,
7780 le16_to_cpu(status_rid.sigQuality));
7781 /* normalizedSignalStrength appears to be a percentage */
7782 local->wstats.qual.qual =
7783 le16_to_cpu(status_rid.normalizedSignalStrength);
7785 local->wstats.qual.level =
7786 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7787 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7789 if (le16_to_cpu(status_rid.len) >= 124) {
7790 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7791 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7793 local->wstats.qual.noise = 0;
7794 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7797 /* Packets discarded in the wireless adapter due to wireless
7798 * specific problems */
7799 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7800 le32_to_cpu(vals[57]) +
7801 le32_to_cpu(vals[58]); /* SSID Mismatch */
7802 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7803 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7804 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7805 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7806 le32_to_cpu(vals[32]);
7807 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7810 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7812 struct airo_info *local = dev->ml_priv;
7814 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7815 /* Get stats out of the card if available */
7816 if (down_trylock(&local->sem) != 0) {
7817 set_bit(JOB_WSTATS, &local->jobs);
7818 wake_up_interruptible(&local->thr_wait);
7820 airo_read_wireless_stats(local);
7823 return &local->wstats;
7828 * This just translates from driver IOCTL codes to the command codes to
7829 * feed to the radio's host interface. Things can be added/deleted
7830 * as needed. This represents the READ side of control I/O to
7833 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7834 unsigned short ridcode;
7835 unsigned char *iobuf;
7837 struct airo_info *ai = dev->ml_priv;
7839 if (test_bit(FLAG_FLASHING, &ai->flags))
7842 switch(comp->command)
7844 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7845 case AIROGCFG: ridcode = RID_CONFIG;
7846 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7847 disable_MAC (ai, 1);
7848 writeConfigRid (ai, 1);
7852 case AIROGSLIST: ridcode = RID_SSID; break;
7853 case AIROGVLIST: ridcode = RID_APLIST; break;
7854 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7855 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7856 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7857 /* Only super-user can read WEP keys */
7858 if (!capable(CAP_NET_ADMIN))
7861 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7862 /* Only super-user can read WEP keys */
7863 if (!capable(CAP_NET_ADMIN))
7866 case AIROGSTAT: ridcode = RID_STATUS; break;
7867 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7868 case AIROGSTATSC32: ridcode = RID_STATS; break;
7870 if (copy_to_user(comp->data, &ai->micstats,
7871 min((int)comp->len,(int)sizeof(ai->micstats))))
7874 case AIRORRID: ridcode = comp->ridnum; break;
7880 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7883 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7884 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7885 * then return it to the user
7886 * 9/22/2000 Honor user given length
7890 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7899 * Danger Will Robinson write the rids here
7902 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7903 struct airo_info *ai = dev->ml_priv;
7906 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7907 unsigned char *iobuf;
7909 /* Only super-user can write RIDs */
7910 if (!capable(CAP_NET_ADMIN))
7913 if (test_bit(FLAG_FLASHING, &ai->flags))
7917 writer = do_writerid;
7919 switch(comp->command)
7921 case AIROPSIDS: ridcode = RID_SSID; break;
7922 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7923 case AIROPAPLIST: ridcode = RID_APLIST; break;
7924 case AIROPCFG: ai->config.len = 0;
7925 clear_bit(FLAG_COMMIT, &ai->flags);
7926 ridcode = RID_CONFIG; break;
7927 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7928 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7929 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7930 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7932 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7933 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7935 /* this is not really a rid but a command given to the card
7939 if (enable_MAC(ai, 1) != 0)
7944 * Evidently this code in the airo driver does not get a symbol
7945 * as disable_MAC. it's probably so short the compiler does not gen one.
7951 /* This command merely clears the counts does not actually store any data
7952 * only reads rid. But as it changes the cards state, I put it in the
7953 * writerid routines.
7956 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7959 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7961 enabled = ai->micstats.enabled;
7962 memset(&ai->micstats,0,sizeof(ai->micstats));
7963 ai->micstats.enabled = enabled;
7965 if (copy_to_user(comp->data, iobuf,
7966 min((int)comp->len, (int)RIDSIZE))) {
7974 return -EOPNOTSUPP; /* Blarg! */
7976 if(comp->len > RIDSIZE)
7979 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7982 if (copy_from_user(iobuf,comp->data,comp->len)) {
7987 if (comp->command == AIROPCFG) {
7988 ConfigRid *cfg = (ConfigRid *)iobuf;
7990 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7991 cfg->opmode |= MODE_MIC;
7993 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7994 set_bit (FLAG_ADHOC, &ai->flags);
7996 clear_bit (FLAG_ADHOC, &ai->flags);
7999 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8007 /*****************************************************************************
8008 * Ancillary flash / mod functions much black magic lurkes here *
8009 *****************************************************************************
8013 * Flash command switch table
8016 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8019 /* Only super-user can modify flash */
8020 if (!capable(CAP_NET_ADMIN))
8023 switch(comp->command)
8026 return cmdreset((struct airo_info *)dev->ml_priv);
8029 if (!AIRO_FLASH(dev) &&
8030 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8032 return setflashmode((struct airo_info *)dev->ml_priv);
8034 case AIROFLSHGCHR: /* Get char from aux */
8035 if(comp->len != sizeof(int))
8037 if (copy_from_user(&z,comp->data,comp->len))
8039 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8041 case AIROFLSHPCHR: /* Send char to card. */
8042 if(comp->len != sizeof(int))
8044 if (copy_from_user(&z,comp->data,comp->len))
8046 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8048 case AIROFLPUTBUF: /* Send 32k to card */
8049 if (!AIRO_FLASH(dev))
8051 if(comp->len > FLASHSIZE)
8053 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8056 flashputbuf((struct airo_info *)dev->ml_priv);
8060 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8067 #define FLASH_COMMAND 0x7e7e
8071 * Disable MAC and do soft reset on
8075 static int cmdreset(struct airo_info *ai) {
8079 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8083 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8085 ssleep(1); /* WAS 600 12/7/00 */
8088 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8095 * Put the card in legendary flash
8099 static int setflashmode (struct airo_info *ai) {
8100 set_bit (FLAG_FLASHING, &ai->flags);
8102 OUT4500(ai, SWS0, FLASH_COMMAND);
8103 OUT4500(ai, SWS1, FLASH_COMMAND);
8105 OUT4500(ai, SWS0, FLASH_COMMAND);
8106 OUT4500(ai, COMMAND,0x10);
8108 OUT4500(ai, SWS2, FLASH_COMMAND);
8109 OUT4500(ai, SWS3, FLASH_COMMAND);
8110 OUT4500(ai, COMMAND,0);
8112 msleep(500); /* 500ms delay */
8115 clear_bit (FLAG_FLASHING, &ai->flags);
8116 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8122 /* Put character to SWS0 wait for dwelltime
8126 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8137 /* Wait for busy bit d15 to go false indicating buffer empty */
8138 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8143 /* timeout for busy clear wait */
8145 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8149 /* Port is clear now write byte and wait for it to echo back */
8151 OUT4500(ai,SWS0,byte);
8154 echo = IN4500(ai,SWS1);
8155 } while (dwelltime >= 0 && echo != byte);
8159 return (echo == byte) ? 0 : -EIO;
8163 * Get a character from the card matching matchbyte
8166 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8168 unsigned char rbyte=0;
8171 rchar = IN4500(ai,SWS1);
8173 if(dwelltime && !(0x8000 & rchar)){
8178 rbyte = 0xff & rchar;
8180 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8184 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8188 }while(dwelltime > 0);
8193 * Transfer 32k of firmware data from user buffer to our buffer and
8197 static int flashputbuf(struct airo_info *ai){
8201 if (test_bit(FLAG_MPI,&ai->flags))
8202 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8204 OUT4500(ai,AUXPAGE,0x100);
8205 OUT4500(ai,AUXOFF,0);
8207 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8208 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8211 OUT4500(ai,SWS0,0x8000);
8219 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8222 ssleep(1); /* Added 12/7/00 */
8223 clear_bit (FLAG_FLASHING, &ai->flags);
8224 if (test_bit(FLAG_MPI, &ai->flags)) {
8225 status = mpi_init_descriptors(ai);
8226 if (status != SUCCESS)
8229 status = setup_card(ai, dev->dev_addr, 1);
8231 if (!test_bit(FLAG_MPI,&ai->flags))
8232 for( i = 0; i < MAX_FIDS; i++ ) {
8233 ai->fids[i] = transmit_allocate
8234 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8237 ssleep(1); /* Added 12/7/00 */
8240 #endif /* CISCO_EXT */
8243 This program is free software; you can redistribute it and/or
8244 modify it under the terms of the GNU General Public License
8245 as published by the Free Software Foundation; either version 2
8246 of the License, or (at your option) any later version.
8248 This program is distributed in the hope that it will be useful,
8249 but WITHOUT ANY WARRANTY; without even the implied warranty of
8250 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8251 GNU General Public License for more details.
8255 Redistribution and use in source and binary forms, with or without
8256 modification, are permitted provided that the following conditions
8259 1. Redistributions of source code must retain the above copyright
8260 notice, this list of conditions and the following disclaimer.
8261 2. Redistributions in binary form must reproduce the above copyright
8262 notice, this list of conditions and the following disclaimer in the
8263 documentation and/or other materials provided with the distribution.
8264 3. The name of the author may not be used to endorse or promote
8265 products derived from this software without specific prior written
8268 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8269 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8270 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8271 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8272 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8273 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8274 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8275 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8276 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8277 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8278 POSSIBILITY OF SUCH DAMAGE.
8281 module_init(airo_init_module);
8282 module_exit(airo_cleanup_module);