1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/unaligned.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
52 #include <net/cfg80211.h>
53 #include <net/iw_handler.h>
57 #define DRV_NAME "airo"
60 static const struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
70 MODULE_DEVICE_TABLE(pci, card_ids);
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
77 static struct pci_driver airo_driver = {
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
85 #endif /* CONFIG_PCI */
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
91 #define CISCO_EXT /* enable Cisco extensions */
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
240 static int airo_perm = 0555;
242 static int proc_perm = 0644;
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
373 #define LINKSTAT 0x10
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
398 /* Size of the transmit queue */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
406 #define COMMAND_BUSY 0x8000
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
416 #define EV_CLEARCOMMANDBUSY 0x4000
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #define IGNORE_INTS (~STATUS_INTS)
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
517 typedef struct SsidRid SsidRid;
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
532 typedef struct ConfigRid ConfigRid;
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
563 u8 macAddr[ETH_ALEN];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
571 __le16 u16deviceType; /* for overriding device type */
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
618 __le16 bridgeDistance;
620 /*---------- Radio configuration ----------*/
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
656 typedef struct StatusRid StatusRid;
666 u8 bssid[4][ETH_ALEN];
673 __le16 hopsToBackbone;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
715 typedef struct StatsRid StatsRid;
722 typedef struct APListRid APListRid;
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
741 char callid[ETH_ALEN];
742 char supportedRates[8];
745 __le16 txPowerLevels[8];
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
762 u8 fixed[12]; /* WLAN management frame */
766 typedef struct BSSListRid BSSListRid;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
802 struct list_head list;
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
811 typedef struct tdsRssiRid tdsRssiRid;
817 typedef struct MICRid MICRid;
821 __le16 multicastValid;
827 typedef struct MICBuffer MICBuffer;
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859 #define BUSY_FID 0x10000
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
879 /* Ioctl constants to be used in airo_ioctl.command */
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
897 #define AIRORSWVERSION 17
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
934 static const char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
960 } part; // saves partial message word across update() calls
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
985 unsigned int offset: 15;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1009 * Host receive descriptor
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1021 * Host transmit descriptor
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1033 * Host RID descriptor
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1083 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctl = HOST_DONT_RLSE,
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155 static void airo_networks_free(struct airo_info *ai);
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1163 #define MPI_MAX_FIDS 1
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1191 #define JOB_XMIT11 2
1193 #define JOB_PROMISC 4
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 unsigned short *flash;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1210 struct sk_buff *skb;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1219 struct crypto_cipher *tfm;
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 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,(u8*)(frame + 1),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, (u8 *)(eth + 1),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 writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1853 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1856 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1858 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1861 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1863 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1866 static void try_auto_wep(struct airo_info *ai)
1868 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1869 ai->expires = RUN_AT(3*HZ);
1870 wake_up_interruptible(&ai->thr_wait);
1874 static int airo_open(struct net_device *dev) {
1875 struct airo_info *ai = dev->ml_priv;
1878 if (test_bit(FLAG_FLASHING, &ai->flags))
1881 /* Make sure the card is configured.
1882 * Wireless Extensions may postpone config changes until the card
1883 * is open (to pipeline changes and speed-up card setup). If
1884 * those changes are not yet committed, do it now - Jean II */
1885 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1887 writeConfigRid(ai, 1);
1890 if (ai->wifidev != dev) {
1891 clear_bit(JOB_DIE, &ai->jobs);
1892 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1894 if (IS_ERR(ai->airo_thread_task))
1895 return (int)PTR_ERR(ai->airo_thread_task);
1897 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1900 airo_print_err(dev->name,
1901 "register interrupt %d failed, rc %d",
1903 set_bit(JOB_DIE, &ai->jobs);
1904 kthread_stop(ai->airo_thread_task);
1908 /* Power on the MAC controller (which may have been disabled) */
1909 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1910 enable_interrupts(ai);
1916 netif_start_queue(dev);
1920 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1921 struct net_device *dev)
1923 int npacks, pending;
1924 unsigned long flags;
1925 struct airo_info *ai = dev->ml_priv;
1928 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1929 return NETDEV_TX_OK;
1931 npacks = skb_queue_len (&ai->txq);
1933 if (npacks >= MAXTXQ - 1) {
1934 netif_stop_queue (dev);
1935 if (npacks > MAXTXQ) {
1936 dev->stats.tx_fifo_errors++;
1937 return NETDEV_TX_BUSY;
1939 skb_queue_tail (&ai->txq, skb);
1940 return NETDEV_TX_OK;
1943 spin_lock_irqsave(&ai->aux_lock, flags);
1944 skb_queue_tail (&ai->txq, skb);
1945 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1946 spin_unlock_irqrestore(&ai->aux_lock,flags);
1947 netif_wake_queue (dev);
1950 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1951 mpi_send_packet (dev);
1953 return NETDEV_TX_OK;
1959 * Attempt to transmit a packet. Can be called from interrupt
1960 * or transmit . return number of packets we tried to send
1963 static int mpi_send_packet (struct net_device *dev)
1965 struct sk_buff *skb;
1966 unsigned char *buffer;
1969 struct airo_info *ai = dev->ml_priv;
1972 /* get a packet to send */
1974 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1975 airo_print_err(dev->name,
1976 "%s: Dequeue'd zero in send_packet()",
1981 /* check min length*/
1982 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1985 ai->txfids[0].tx_desc.offset = 0;
1986 ai->txfids[0].tx_desc.valid = 1;
1987 ai->txfids[0].tx_desc.eoc = 1;
1988 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1991 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1992 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1993 * is immediately after it. ------------------------------------------------
1994 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1995 * ------------------------------------------------
1998 memcpy(ai->txfids[0].virtual_host_addr,
1999 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2001 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2002 sizeof(wifictlhdr8023));
2003 sendbuf = ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023) + 2 ;
2007 * Firmware automatically puts 802 header on so
2008 * we don't need to account for it in the length
2010 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2011 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2014 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2017 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2018 ai->txfids[0].tx_desc.len += sizeof(pMic);
2019 /* copy data into airo dma buffer */
2020 memcpy (sendbuf, buffer, sizeof(etherHead));
2021 buffer += sizeof(etherHead);
2022 sendbuf += sizeof(etherHead);
2023 memcpy (sendbuf, &pMic, sizeof(pMic));
2024 sendbuf += sizeof(pMic);
2025 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2029 dev->trans_start = jiffies;
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2038 OUT4500(ai, EVACK, 8);
2040 dev_kfree_skb_any(skb);
2044 static void get_tx_error(struct airo_info *ai, s32 fid)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2053 bap_read(ai, &status, 2, BAP0);
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->dev->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->dev->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->dev->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 static void airo_end_xmit(struct net_device *dev) {
2098 struct airo_info *priv = dev->ml_priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2103 clear_bit(JOB_XMIT, &priv->jobs);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 if ( status == SUCCESS ) {
2110 dev->trans_start = jiffies;
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2113 priv->fids[fid] &= 0xffff;
2114 dev->stats.tx_window_errors++;
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2121 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2122 struct net_device *dev)
2126 struct airo_info *priv = dev->ml_priv;
2127 u32 *fids = priv->fids;
2129 if ( skb == NULL ) {
2130 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2131 return NETDEV_TX_OK;
2134 /* Find a vacant FID */
2135 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2136 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2138 if ( j >= MAX_FIDS / 2 ) {
2139 netif_stop_queue(dev);
2141 if (i == MAX_FIDS / 2) {
2142 dev->stats.tx_fifo_errors++;
2143 return NETDEV_TX_BUSY;
2146 /* check min length*/
2147 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2148 /* Mark fid as used & save length for later */
2149 fids[i] |= (len << 16);
2150 priv->xmit.skb = skb;
2152 if (down_trylock(&priv->sem) != 0) {
2153 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2154 netif_stop_queue(dev);
2155 set_bit(JOB_XMIT, &priv->jobs);
2156 wake_up_interruptible(&priv->thr_wait);
2159 return NETDEV_TX_OK;
2162 static void airo_end_xmit11(struct net_device *dev) {
2165 struct airo_info *priv = dev->ml_priv;
2166 struct sk_buff *skb = priv->xmit11.skb;
2167 int fid = priv->xmit11.fid;
2168 u32 *fids = priv->fids;
2170 clear_bit(JOB_XMIT11, &priv->jobs);
2171 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2172 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2176 if ( status == SUCCESS ) {
2177 dev->trans_start = jiffies;
2178 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2180 priv->fids[fid] &= 0xffff;
2181 dev->stats.tx_window_errors++;
2184 netif_wake_queue(dev);
2188 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2189 struct net_device *dev)
2193 struct airo_info *priv = dev->ml_priv;
2194 u32 *fids = priv->fids;
2196 if (test_bit(FLAG_MPI, &priv->flags)) {
2197 /* Not implemented yet for MPI350 */
2198 netif_stop_queue(dev);
2199 dev_kfree_skb_any(skb);
2200 return NETDEV_TX_OK;
2203 if ( skb == NULL ) {
2204 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2205 return NETDEV_TX_OK;
2208 /* Find a vacant FID */
2209 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2210 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2212 if ( j >= MAX_FIDS ) {
2213 netif_stop_queue(dev);
2215 if (i == MAX_FIDS) {
2216 dev->stats.tx_fifo_errors++;
2217 return NETDEV_TX_BUSY;
2220 /* check min length*/
2221 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2222 /* Mark fid as used & save length for later */
2223 fids[i] |= (len << 16);
2224 priv->xmit11.skb = skb;
2225 priv->xmit11.fid = i;
2226 if (down_trylock(&priv->sem) != 0) {
2227 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2228 netif_stop_queue(dev);
2229 set_bit(JOB_XMIT11, &priv->jobs);
2230 wake_up_interruptible(&priv->thr_wait);
2232 airo_end_xmit11(dev);
2233 return NETDEV_TX_OK;
2236 static void airo_read_stats(struct net_device *dev)
2238 struct airo_info *ai = dev->ml_priv;
2240 __le32 *vals = stats_rid.vals;
2242 clear_bit(JOB_STATS, &ai->jobs);
2243 if (ai->power.event) {
2247 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2250 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2251 le32_to_cpu(vals[45]);
2252 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2253 le32_to_cpu(vals[41]);
2254 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2255 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2256 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2257 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2258 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2259 dev->stats.tx_fifo_errors;
2260 dev->stats.multicast = le32_to_cpu(vals[43]);
2261 dev->stats.collisions = le32_to_cpu(vals[89]);
2263 /* detailed rx_errors: */
2264 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2265 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2266 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2267 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2270 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2272 struct airo_info *local = dev->ml_priv;
2274 if (!test_bit(JOB_STATS, &local->jobs)) {
2275 /* Get stats out of the card if available */
2276 if (down_trylock(&local->sem) != 0) {
2277 set_bit(JOB_STATS, &local->jobs);
2278 wake_up_interruptible(&local->thr_wait);
2280 airo_read_stats(dev);
2286 static void airo_set_promisc(struct airo_info *ai) {
2290 memset(&cmd, 0, sizeof(cmd));
2291 cmd.cmd=CMD_SETMODE;
2292 clear_bit(JOB_PROMISC, &ai->jobs);
2293 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2294 issuecommand(ai, &cmd, &rsp);
2298 static void airo_set_multicast_list(struct net_device *dev) {
2299 struct airo_info *ai = dev->ml_priv;
2301 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2302 change_bit(FLAG_PROMISC, &ai->flags);
2303 if (down_trylock(&ai->sem) != 0) {
2304 set_bit(JOB_PROMISC, &ai->jobs);
2305 wake_up_interruptible(&ai->thr_wait);
2307 airo_set_promisc(ai);
2310 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2311 /* Turn on multicast. (Should be already setup...) */
2315 static int airo_set_mac_address(struct net_device *dev, void *p)
2317 struct airo_info *ai = dev->ml_priv;
2318 struct sockaddr *addr = p;
2320 readConfigRid(ai, 1);
2321 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2322 set_bit (FLAG_COMMIT, &ai->flags);
2324 writeConfigRid (ai, 1);
2326 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2328 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2332 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2334 if ((new_mtu < 68) || (new_mtu > 2400))
2340 static LIST_HEAD(airo_devices);
2342 static void add_airo_dev(struct airo_info *ai)
2344 /* Upper layers already keep track of PCI devices,
2345 * so we only need to remember our non-PCI cards. */
2347 list_add_tail(&ai->dev_list, &airo_devices);
2350 static void del_airo_dev(struct airo_info *ai)
2353 list_del(&ai->dev_list);
2356 static int airo_close(struct net_device *dev) {
2357 struct airo_info *ai = dev->ml_priv;
2359 netif_stop_queue(dev);
2361 if (ai->wifidev != dev) {
2362 #ifdef POWER_ON_DOWN
2363 /* Shut power to the card. The idea is that the user can save
2364 * power when he doesn't need the card with "ifconfig down".
2365 * That's the method that is most friendly towards the network
2366 * stack (i.e. the network stack won't try to broadcast
2367 * anything on the interface and routes are gone. Jean II */
2368 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_interrupts( ai );
2373 free_irq(dev->irq, dev);
2375 set_bit(JOB_DIE, &ai->jobs);
2376 kthread_stop(ai->airo_thread_task);
2381 void stop_airo_card( struct net_device *dev, int freeres )
2383 struct airo_info *ai = dev->ml_priv;
2385 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2387 disable_interrupts(ai);
2388 takedown_proc_entry( dev, ai );
2389 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2390 unregister_netdev( dev );
2392 unregister_netdev(ai->wifidev);
2393 free_netdev(ai->wifidev);
2396 clear_bit(FLAG_REGISTERED, &ai->flags);
2399 * Clean out tx queue
2401 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2402 struct sk_buff *skb = NULL;
2403 for (;(skb = skb_dequeue(&ai->txq));)
2407 airo_networks_free (ai);
2413 /* PCMCIA frees this stuff, so only for PCI and ISA */
2414 release_region( dev->base_addr, 64 );
2415 if (test_bit(FLAG_MPI, &ai->flags)) {
2417 mpi_unmap_card(ai->pci);
2419 iounmap(ai->pcimem);
2421 iounmap(ai->pciaux);
2422 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2423 ai->shared, ai->shared_dma);
2426 crypto_free_cipher(ai->tfm);
2431 EXPORT_SYMBOL(stop_airo_card);
2433 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2435 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2439 static void mpi_unmap_card(struct pci_dev *pci)
2441 unsigned long mem_start = pci_resource_start(pci, 1);
2442 unsigned long mem_len = pci_resource_len(pci, 1);
2443 unsigned long aux_start = pci_resource_start(pci, 2);
2444 unsigned long aux_len = AUXMEMSIZE;
2446 release_mem_region(aux_start, aux_len);
2447 release_mem_region(mem_start, mem_len);
2450 /*************************************************************
2451 * This routine assumes that descriptors have been setup .
2452 * Run at insmod time or after reset when the decriptors
2453 * have been initialized . Returns 0 if all is well nz
2454 * otherwise . Does not allocate memory but sets up card
2455 * using previously allocated descriptors.
2457 static int mpi_init_descriptors (struct airo_info *ai)
2464 /* Alloc card RX descriptors */
2465 netif_stop_queue(ai->dev);
2467 memset(&rsp,0,sizeof(rsp));
2468 memset(&cmd,0,sizeof(cmd));
2470 cmd.cmd = CMD_ALLOCATEAUX;
2472 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2473 cmd.parm2 = MPI_MAX_FIDS;
2474 rc=issuecommand(ai, &cmd, &rsp);
2475 if (rc != SUCCESS) {
2476 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 memcpy_toio(ai->rxfids[i].card_ram_off,
2482 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2485 /* Alloc card TX descriptors */
2487 memset(&rsp,0,sizeof(rsp));
2488 memset(&cmd,0,sizeof(cmd));
2490 cmd.cmd = CMD_ALLOCATEAUX;
2492 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2493 cmd.parm2 = MPI_MAX_FIDS;
2495 for (i=0; i<MPI_MAX_FIDS; i++) {
2496 ai->txfids[i].tx_desc.valid = 1;
2497 memcpy_toio(ai->txfids[i].card_ram_off,
2498 &ai->txfids[i].tx_desc, sizeof(TxFid));
2500 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2502 rc=issuecommand(ai, &cmd, &rsp);
2503 if (rc != SUCCESS) {
2504 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2508 /* Alloc card Rid descriptor */
2509 memset(&rsp,0,sizeof(rsp));
2510 memset(&cmd,0,sizeof(cmd));
2512 cmd.cmd = CMD_ALLOCATEAUX;
2514 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2515 cmd.parm2 = 1; /* Magic number... */
2516 rc=issuecommand(ai, &cmd, &rsp);
2517 if (rc != SUCCESS) {
2518 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2522 memcpy_toio(ai->config_desc.card_ram_off,
2523 &ai->config_desc.rid_desc, sizeof(Rid));
2529 * We are setting up three things here:
2530 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2531 * 2) Map PCI memory for issuing commands.
2532 * 3) Allocate memory (shared) to send and receive ethernet frames.
2534 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2536 unsigned long mem_start, mem_len, aux_start, aux_len;
2539 dma_addr_t busaddroff;
2540 unsigned char *vpackoff;
2541 unsigned char __iomem *pciaddroff;
2543 mem_start = pci_resource_start(pci, 1);
2544 mem_len = pci_resource_len(pci, 1);
2545 aux_start = pci_resource_start(pci, 2);
2546 aux_len = AUXMEMSIZE;
2548 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2549 airo_print_err("", "Couldn't get region %x[%x]",
2550 (int)mem_start, (int)mem_len);
2553 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)aux_start, (int)aux_len);
2559 ai->pcimem = ioremap(mem_start, mem_len);
2561 airo_print_err("", "Couldn't map region %x[%x]",
2562 (int)mem_start, (int)mem_len);
2565 ai->pciaux = ioremap(aux_start, aux_len);
2567 airo_print_err("", "Couldn't map region %x[%x]",
2568 (int)aux_start, (int)aux_len);
2572 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2573 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2575 airo_print_err("", "Couldn't alloc_consistent %d",
2581 * Setup descriptor RX, TX, CONFIG
2583 busaddroff = ai->shared_dma;
2584 pciaddroff = ai->pciaux + AUX_OFFSET;
2585 vpackoff = ai->shared;
2587 /* RX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->rxfids[i].pending = 0;
2590 ai->rxfids[i].card_ram_off = pciaddroff;
2591 ai->rxfids[i].virtual_host_addr = vpackoff;
2592 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2593 ai->rxfids[i].rx_desc.valid = 1;
2594 ai->rxfids[i].rx_desc.len = PKTSIZE;
2595 ai->rxfids[i].rx_desc.rdy = 0;
2597 pciaddroff += sizeof(RxFid);
2598 busaddroff += PKTSIZE;
2599 vpackoff += PKTSIZE;
2602 /* TX descriptor setup */
2603 for(i = 0; i < MPI_MAX_FIDS; i++) {
2604 ai->txfids[i].card_ram_off = pciaddroff;
2605 ai->txfids[i].virtual_host_addr = vpackoff;
2606 ai->txfids[i].tx_desc.valid = 1;
2607 ai->txfids[i].tx_desc.host_addr = busaddroff;
2608 memcpy(ai->txfids[i].virtual_host_addr,
2609 &wifictlhdr8023, sizeof(wifictlhdr8023));
2611 pciaddroff += sizeof(TxFid);
2612 busaddroff += PKTSIZE;
2613 vpackoff += PKTSIZE;
2615 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2617 /* Rid descriptor setup */
2618 ai->config_desc.card_ram_off = pciaddroff;
2619 ai->config_desc.virtual_host_addr = vpackoff;
2620 ai->config_desc.rid_desc.host_addr = busaddroff;
2621 ai->ridbus = busaddroff;
2622 ai->config_desc.rid_desc.rid = 0;
2623 ai->config_desc.rid_desc.len = RIDSIZE;
2624 ai->config_desc.rid_desc.valid = 1;
2625 pciaddroff += sizeof(Rid);
2626 busaddroff += RIDSIZE;
2627 vpackoff += RIDSIZE;
2629 /* Tell card about descriptors */
2630 if (mpi_init_descriptors (ai) != SUCCESS)
2635 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2637 iounmap(ai->pciaux);
2639 iounmap(ai->pcimem);
2641 release_mem_region(aux_start, aux_len);
2643 release_mem_region(mem_start, mem_len);
2648 static const struct header_ops airo_header_ops = {
2649 .parse = wll_header_parse,
2652 static const struct net_device_ops airo11_netdev_ops = {
2653 .ndo_open = airo_open,
2654 .ndo_stop = airo_close,
2655 .ndo_start_xmit = airo_start_xmit11,
2656 .ndo_get_stats = airo_get_stats,
2657 .ndo_set_mac_address = airo_set_mac_address,
2658 .ndo_do_ioctl = airo_ioctl,
2659 .ndo_change_mtu = airo_change_mtu,
2662 static void wifi_setup(struct net_device *dev)
2664 dev->netdev_ops = &airo11_netdev_ops;
2665 dev->header_ops = &airo_header_ops;
2666 dev->wireless_handlers = &airo_handler_def;
2668 dev->type = ARPHRD_IEEE80211;
2669 dev->hard_header_len = ETH_HLEN;
2670 dev->mtu = AIRO_DEF_MTU;
2671 dev->addr_len = ETH_ALEN;
2672 dev->tx_queue_len = 100;
2674 eth_broadcast_addr(dev->broadcast);
2676 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2679 static struct net_device *init_wifidev(struct airo_info *ai,
2680 struct net_device *ethdev)
2683 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2687 dev->ml_priv = ethdev->ml_priv;
2688 dev->irq = ethdev->irq;
2689 dev->base_addr = ethdev->base_addr;
2690 dev->wireless_data = ethdev->wireless_data;
2691 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2692 eth_hw_addr_inherit(dev, ethdev);
2693 err = register_netdev(dev);
2701 static int reset_card( struct net_device *dev , int lock) {
2702 struct airo_info *ai = dev->ml_priv;
2704 if (lock && down_interruptible(&ai->sem))
2707 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2716 #define AIRO_MAX_NETWORK_COUNT 64
2717 static int airo_networks_allocate(struct airo_info *ai)
2722 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2724 if (!ai->networks) {
2725 airo_print_warn("", "Out of memory allocating beacons");
2732 static void airo_networks_free(struct airo_info *ai)
2734 kfree(ai->networks);
2735 ai->networks = NULL;
2738 static void airo_networks_initialize(struct airo_info *ai)
2742 INIT_LIST_HEAD(&ai->network_free_list);
2743 INIT_LIST_HEAD(&ai->network_list);
2744 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2745 list_add_tail(&ai->networks[i].list,
2746 &ai->network_free_list);
2749 static const struct net_device_ops airo_netdev_ops = {
2750 .ndo_open = airo_open,
2751 .ndo_stop = airo_close,
2752 .ndo_start_xmit = airo_start_xmit,
2753 .ndo_get_stats = airo_get_stats,
2754 .ndo_set_rx_mode = airo_set_multicast_list,
2755 .ndo_set_mac_address = airo_set_mac_address,
2756 .ndo_do_ioctl = airo_ioctl,
2757 .ndo_change_mtu = airo_change_mtu,
2758 .ndo_validate_addr = eth_validate_addr,
2761 static const struct net_device_ops mpi_netdev_ops = {
2762 .ndo_open = airo_open,
2763 .ndo_stop = airo_close,
2764 .ndo_start_xmit = mpi_start_xmit,
2765 .ndo_get_stats = airo_get_stats,
2766 .ndo_set_rx_mode = airo_set_multicast_list,
2767 .ndo_set_mac_address = airo_set_mac_address,
2768 .ndo_do_ioctl = airo_ioctl,
2769 .ndo_change_mtu = airo_change_mtu,
2770 .ndo_validate_addr = eth_validate_addr,
2774 static struct net_device *_init_airo_card( unsigned short irq, int port,
2775 int is_pcmcia, struct pci_dev *pci,
2776 struct device *dmdev )
2778 struct net_device *dev;
2779 struct airo_info *ai;
2781 CapabilityRid cap_rid;
2783 /* Create the network device object. */
2784 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2786 airo_print_err("", "Couldn't alloc_etherdev");
2790 ai = dev->ml_priv = netdev_priv(dev);
2792 ai->flags = 1 << FLAG_RADIO_DOWN;
2795 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2796 airo_print_dbg("", "Found an MPI350 card");
2797 set_bit(FLAG_MPI, &ai->flags);
2799 spin_lock_init(&ai->aux_lock);
2800 sema_init(&ai->sem, 1);
2803 init_waitqueue_head (&ai->thr_wait);
2806 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2808 if (airo_networks_allocate (ai))
2810 airo_networks_initialize (ai);
2812 skb_queue_head_init (&ai->txq);
2814 /* The Airo-specific entries in the device structure. */
2815 if (test_bit(FLAG_MPI,&ai->flags))
2816 dev->netdev_ops = &mpi_netdev_ops;
2818 dev->netdev_ops = &airo_netdev_ops;
2819 dev->wireless_handlers = &airo_handler_def;
2820 ai->wireless_data.spy_data = &ai->spy_data;
2821 dev->wireless_data = &ai->wireless_data;
2823 dev->base_addr = port;
2824 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2826 SET_NETDEV_DEV(dev, dmdev);
2828 reset_card (dev, 1);
2832 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2834 airo_print_err(dev->name, "Couldn't request region");
2839 if (test_bit(FLAG_MPI,&ai->flags)) {
2840 if (mpi_map_card(ai, pci)) {
2841 airo_print_err("", "Could not map memory");
2847 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2848 airo_print_err(dev->name, "MAC could not be enabled" );
2852 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2853 ai->bap_read = fast_bap_read;
2854 set_bit(FLAG_FLASHING, &ai->flags);
2857 strcpy(dev->name, "eth%d");
2858 rc = register_netdev(dev);
2860 airo_print_err(dev->name, "Couldn't register_netdev");
2863 ai->wifidev = init_wifidev(ai, dev);
2867 rc = readCapabilityRid(ai, &cap_rid, 1);
2868 if (rc != SUCCESS) {
2872 /* WEP capability discovery */
2873 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2874 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2876 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2877 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2878 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2879 le16_to_cpu(cap_rid.softSubVer));
2881 /* Test for WPA support */
2882 /* Only firmware versions 5.30.17 or better can do WPA */
2883 if (le16_to_cpu(cap_rid.softVer) > 0x530
2884 || (le16_to_cpu(cap_rid.softVer) == 0x530
2885 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2886 airo_print_info(ai->dev->name, "WPA supported.");
2888 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2889 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2890 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid);
2893 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2894 "versions older than 5.30.17.");
2896 ai->bssListFirst = RID_BSSLISTFIRST;
2897 ai->bssListNext = RID_BSSLISTNEXT;
2898 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2901 set_bit(FLAG_REGISTERED,&ai->flags);
2902 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2904 /* Allocate the transmit buffers */
2905 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2906 for( i = 0; i < MAX_FIDS; i++ )
2907 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2909 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2915 unregister_netdev(ai->wifidev);
2916 free_netdev(ai->wifidev);
2918 unregister_netdev(dev);
2920 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2921 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2922 iounmap(ai->pciaux);
2923 iounmap(ai->pcimem);
2924 mpi_unmap_card(ai->pci);
2928 release_region( dev->base_addr, 64 );
2930 airo_networks_free(ai);
2937 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2938 struct device *dmdev)
2940 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943 EXPORT_SYMBOL(init_airo_card);
2945 static int waitbusy (struct airo_info *ai) {
2947 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2949 if ((++delay % 20) == 0)
2950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2952 return delay < 10000;
2955 int reset_airo_card( struct net_device *dev )
2958 struct airo_info *ai = dev->ml_priv;
2960 if (reset_card (dev, 1))
2963 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2964 airo_print_err(dev->name, "MAC could not be enabled");
2967 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2968 /* Allocate the transmit buffers if needed */
2969 if (!test_bit(FLAG_MPI,&ai->flags))
2970 for( i = 0; i < MAX_FIDS; i++ )
2971 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2973 enable_interrupts( ai );
2974 netif_wake_queue(dev);
2978 EXPORT_SYMBOL(reset_airo_card);
2980 static void airo_send_event(struct net_device *dev) {
2981 struct airo_info *ai = dev->ml_priv;
2982 union iwreq_data wrqu;
2983 StatusRid status_rid;
2985 clear_bit(JOB_EVENT, &ai->jobs);
2986 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2988 wrqu.data.length = 0;
2989 wrqu.data.flags = 0;
2990 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2991 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2993 /* Send event to user space */
2994 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2997 static void airo_process_scan_results (struct airo_info *ai) {
2998 union iwreq_data wrqu;
3001 BSSListElement * loop_net;
3002 BSSListElement * tmp_net;
3004 /* Blow away current list of scan results */
3005 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3006 list_move_tail (&loop_net->list, &ai->network_free_list);
3007 /* Don't blow away ->list, just BSS data */
3008 memset (loop_net, 0, sizeof (loop_net->bss));
3011 /* Try to read the first entry of the scan result */
3012 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3013 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3014 /* No scan results */
3018 /* Read and parse all entries */
3020 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3021 /* Grab a network off the free list */
3022 if (!list_empty(&ai->network_free_list)) {
3023 tmp_net = list_entry(ai->network_free_list.next,
3024 BSSListElement, list);
3025 list_del(ai->network_free_list.next);
3028 if (tmp_net != NULL) {
3029 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3030 list_add_tail(&tmp_net->list, &ai->network_list);
3034 /* Read next entry */
3035 rc = PC4500_readrid(ai, ai->bssListNext,
3036 &bss, ai->bssListRidLen, 0);
3040 /* write APList back (we cleared it in airo_set_scan) */
3042 writeAPListRid(ai, &ai->APList, 0);
3045 ai->scan_timeout = 0;
3046 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3049 /* Send an empty event to user space.
3050 * We don't send the received data on
3051 * the event because it would require
3052 * us to do complex transcoding, and
3053 * we want to minimise the work done in
3054 * the irq handler. Use a request to
3055 * extract the data - Jean II */
3056 wrqu.data.length = 0;
3057 wrqu.data.flags = 0;
3058 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3061 static int airo_thread(void *data) {
3062 struct net_device *dev = data;
3063 struct airo_info *ai = dev->ml_priv;
3068 /* make swsusp happy with our thread */
3071 if (test_bit(JOB_DIE, &ai->jobs))
3075 locked = down_interruptible(&ai->sem);
3079 init_waitqueue_entry(&wait, current);
3080 add_wait_queue(&ai->thr_wait, &wait);
3082 set_current_state(TASK_INTERRUPTIBLE);
3085 if (ai->expires || ai->scan_timeout) {
3086 if (ai->scan_timeout &&
3087 time_after_eq(jiffies,ai->scan_timeout)){
3088 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3090 } else if (ai->expires &&
3091 time_after_eq(jiffies,ai->expires)){
3092 set_bit(JOB_AUTOWEP, &ai->jobs);
3095 if (!kthread_should_stop() &&
3096 !freezing(current)) {
3097 unsigned long wake_at;
3098 if (!ai->expires || !ai->scan_timeout) {
3099 wake_at = max(ai->expires,
3102 wake_at = min(ai->expires,
3105 schedule_timeout(wake_at - jiffies);
3108 } else if (!kthread_should_stop() &&
3109 !freezing(current)) {
3115 current->state = TASK_RUNNING;
3116 remove_wait_queue(&ai->thr_wait, &wait);
3123 if (test_bit(JOB_DIE, &ai->jobs)) {
3128 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3133 if (test_bit(JOB_XMIT, &ai->jobs))
3135 else if (test_bit(JOB_XMIT11, &ai->jobs))
3136 airo_end_xmit11(dev);
3137 else if (test_bit(JOB_STATS, &ai->jobs))
3138 airo_read_stats(dev);
3139 else if (test_bit(JOB_WSTATS, &ai->jobs))
3140 airo_read_wireless_stats(ai);
3141 else if (test_bit(JOB_PROMISC, &ai->jobs))
3142 airo_set_promisc(ai);
3143 else if (test_bit(JOB_MIC, &ai->jobs))
3145 else if (test_bit(JOB_EVENT, &ai->jobs))
3146 airo_send_event(dev);
3147 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3149 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3150 airo_process_scan_results(ai);
3151 else /* Shouldn't get here, but we make sure to unlock */
3158 static int header_len(__le16 ctl)
3160 u16 fc = le16_to_cpu(ctl);
3163 if ((fc & 0xe0) == 0xc0)
3164 return 10; /* one-address control packet */
3165 return 16; /* two-address control packet */
3167 if ((fc & 0x300) == 0x300)
3168 return 30; /* WDS packet */
3173 static void airo_handle_cisco_mic(struct airo_info *ai)
3175 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3176 set_bit(JOB_MIC, &ai->jobs);
3177 wake_up_interruptible(&ai->thr_wait);
3181 /* Airo Status codes */
3182 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3183 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3184 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3185 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3186 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3187 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3188 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3190 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3191 #define STAT_ASSOC 0x0400 /* Associated */
3192 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3194 static void airo_print_status(const char *devname, u16 status)
3196 u8 reason = status & 0xFF;
3198 switch (status & 0xFF00) {
3202 airo_print_dbg(devname, "link lost (missed beacons)");
3204 case STAT_MAXRETRIES:
3206 airo_print_dbg(devname, "link lost (max retries)");
3208 case STAT_FORCELOSS:
3209 airo_print_dbg(devname, "link lost (local choice)");
3212 airo_print_dbg(devname, "link lost (TSF sync lost)");
3215 airo_print_dbg(devname, "unknown status %x\n", status);
3220 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3223 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3225 case STAT_ASSOC_FAIL:
3226 airo_print_dbg(devname, "association failed (reason: %d)",
3229 case STAT_AUTH_FAIL:
3230 airo_print_dbg(devname, "authentication failed (reason: %d)",
3237 airo_print_dbg(devname, "unknown status %x\n", status);
3242 static void airo_handle_link(struct airo_info *ai)
3244 union iwreq_data wrqu;
3245 int scan_forceloss = 0;
3248 /* Get new status and acknowledge the link change */
3249 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3250 OUT4500(ai, EVACK, EV_LINK);
3252 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3255 airo_print_status(ai->dev->name, status);
3257 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3260 if (ai->list_bss_task)
3261 wake_up_process(ai->list_bss_task);
3262 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3263 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3265 if (down_trylock(&ai->sem) != 0) {
3266 set_bit(JOB_EVENT, &ai->jobs);
3267 wake_up_interruptible(&ai->thr_wait);
3269 airo_send_event(ai->dev);
3270 netif_carrier_on(ai->dev);
3271 } else if (!scan_forceloss) {
3272 if (auto_wep && !ai->expires) {
3273 ai->expires = RUN_AT(3*HZ);
3274 wake_up_interruptible(&ai->thr_wait);
3277 /* Send event to user space */
3278 eth_zero_addr(wrqu.ap_addr.sa_data);
3279 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3280 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3281 netif_carrier_off(ai->dev);
3283 netif_carrier_off(ai->dev);
3287 static void airo_handle_rx(struct airo_info *ai)
3289 struct sk_buff *skb = NULL;
3290 __le16 fc, v, *buffer, tmpbuf[4];
3291 u16 len, hdrlen = 0, gap, fid;
3295 if (test_bit(FLAG_MPI, &ai->flags)) {
3296 if (test_bit(FLAG_802_11, &ai->flags))
3297 mpi_receive_802_11(ai);
3299 mpi_receive_802_3(ai);
3300 OUT4500(ai, EVACK, EV_RX);
3304 fid = IN4500(ai, RXFID);
3306 /* Get the packet length */
3307 if (test_bit(FLAG_802_11, &ai->flags)) {
3308 bap_setup (ai, fid, 4, BAP0);
3309 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3310 /* Bad CRC. Ignore packet */
3311 if (le16_to_cpu(hdr.status) & 2)
3313 if (ai->wifidev == NULL)
3316 bap_setup(ai, fid, 0x36, BAP0);
3317 bap_read(ai, &hdr.len, 2, BAP0);
3319 len = le16_to_cpu(hdr.len);
3321 if (len > AIRO_DEF_MTU) {
3322 airo_print_err(ai->dev->name, "Bad size %d", len);
3328 if (test_bit(FLAG_802_11, &ai->flags)) {
3329 bap_read(ai, &fc, sizeof (fc), BAP0);
3330 hdrlen = header_len(fc);
3332 hdrlen = ETH_ALEN * 2;
3334 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3336 ai->dev->stats.rx_dropped++;
3340 skb_reserve(skb, 2); /* This way the IP header is aligned */
3341 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3342 if (test_bit(FLAG_802_11, &ai->flags)) {
3344 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3346 bap_read(ai, tmpbuf, 6, BAP0);
3348 bap_read(ai, &v, sizeof(v), BAP0);
3349 gap = le16_to_cpu(v);
3352 bap_read(ai, tmpbuf, gap, BAP0);
3354 airo_print_err(ai->dev->name, "gaplen too "
3355 "big. Problems will follow...");
3358 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3362 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3363 if (ai->micstats.enabled) {
3364 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3365 if (ntohs(micbuf.typelen) > 0x05DC)
3366 bap_setup(ai, fid, 0x44, BAP0);
3368 if (len <= sizeof (micbuf)) {
3369 dev_kfree_skb_irq(skb);
3373 len -= sizeof(micbuf);
3374 skb_trim(skb, len + hdrlen);
3378 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3379 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3380 dev_kfree_skb_irq (skb);
3386 if (success && (ai->spy_data.spy_number > 0)) {
3388 struct iw_quality wstats;
3390 /* Prepare spy data : addr + qual */
3391 if (!test_bit(FLAG_802_11, &ai->flags)) {
3392 sa = (char *) buffer + 6;
3393 bap_setup(ai, fid, 8, BAP0);
3394 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3396 sa = (char *) buffer + 10;
3397 wstats.qual = hdr.rssi[0];
3399 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3401 wstats.level = (hdr.rssi[1] + 321) / 2;
3402 wstats.noise = ai->wstats.qual.noise;
3403 wstats.updated = IW_QUAL_LEVEL_UPDATED
3404 | IW_QUAL_QUAL_UPDATED
3406 /* Update spy records */
3407 wireless_spy_update(ai->dev, sa, &wstats);
3409 #endif /* WIRELESS_SPY */
3412 OUT4500(ai, EVACK, EV_RX);
3415 if (test_bit(FLAG_802_11, &ai->flags)) {
3416 skb_reset_mac_header(skb);
3417 skb->pkt_type = PACKET_OTHERHOST;
3418 skb->dev = ai->wifidev;
3419 skb->protocol = htons(ETH_P_802_2);
3421 skb->protocol = eth_type_trans(skb, ai->dev);
3422 skb->ip_summed = CHECKSUM_NONE;
3428 static void airo_handle_tx(struct airo_info *ai, u16 status)
3430 int i, len = 0, index = -1;
3433 if (test_bit(FLAG_MPI, &ai->flags)) {
3434 unsigned long flags;
3436 if (status & EV_TXEXC)
3437 get_tx_error(ai, -1);
3439 spin_lock_irqsave(&ai->aux_lock, flags);
3440 if (!skb_queue_empty(&ai->txq)) {
3441 spin_unlock_irqrestore(&ai->aux_lock,flags);
3442 mpi_send_packet(ai->dev);
3444 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3445 spin_unlock_irqrestore(&ai->aux_lock,flags);
3446 netif_wake_queue(ai->dev);
3448 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3452 fid = IN4500(ai, TXCOMPLFID);
3454 for(i = 0; i < MAX_FIDS; i++) {
3455 if ((ai->fids[i] & 0xffff) == fid) {
3456 len = ai->fids[i] >> 16;
3462 if (status & EV_TXEXC)
3463 get_tx_error(ai, index);
3465 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3467 /* Set up to be used again */
3468 ai->fids[index] &= 0xffff;
3469 if (index < MAX_FIDS / 2) {
3470 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3471 netif_wake_queue(ai->dev);
3473 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3474 netif_wake_queue(ai->wifidev);
3477 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3478 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3482 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3484 struct net_device *dev = dev_id;
3485 u16 status, savedInterrupts = 0;
3486 struct airo_info *ai = dev->ml_priv;
3489 if (!netif_device_present(dev))
3493 status = IN4500(ai, EVSTAT);
3494 if (!(status & STATUS_INTS) || (status == 0xffff))
3499 if (status & EV_AWAKE) {
3500 OUT4500(ai, EVACK, EV_AWAKE);
3501 OUT4500(ai, EVACK, EV_AWAKE);
3504 if (!savedInterrupts) {
3505 savedInterrupts = IN4500(ai, EVINTEN);
3506 OUT4500(ai, EVINTEN, 0);
3509 if (status & EV_MIC) {
3510 OUT4500(ai, EVACK, EV_MIC);
3511 airo_handle_cisco_mic(ai);
3514 if (status & EV_LINK) {
3515 /* Link status changed */
3516 airo_handle_link(ai);
3519 /* Check to see if there is something to receive */
3523 /* Check to see if a packet has been transmitted */
3524 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3525 airo_handle_tx(ai, status);
3527 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3528 airo_print_warn(ai->dev->name, "Got weird status %x",
3529 status & ~STATUS_INTS & ~IGNORE_INTS );
3533 if (savedInterrupts)
3534 OUT4500(ai, EVINTEN, savedInterrupts);
3536 return IRQ_RETVAL(handled);
3540 * Routines to talk to the card
3544 * This was originally written for the 4500, hence the name
3545 * NOTE: If use with 8bit mode and SMP bad things will happen!
3546 * Why would some one do 8 bit IO in an SMP machine?!?
3548 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3549 if (test_bit(FLAG_MPI,&ai->flags))
3552 outw( val, ai->dev->base_addr + reg );
3554 outb( val & 0xff, ai->dev->base_addr + reg );
3555 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3559 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3562 if (test_bit(FLAG_MPI,&ai->flags))
3565 rc = inw( ai->dev->base_addr + reg );
3567 rc = inb( ai->dev->base_addr + reg );
3568 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3573 static int enable_MAC(struct airo_info *ai, int lock)
3579 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3580 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3581 * Note : we could try to use !netif_running(dev) in enable_MAC()
3582 * instead of this flag, but I don't trust it *within* the
3583 * open/close functions, and testing both flags together is
3584 * "cheaper" - Jean II */
3585 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3587 if (lock && down_interruptible(&ai->sem))
3588 return -ERESTARTSYS;
3590 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3591 memset(&cmd, 0, sizeof(cmd));
3592 cmd.cmd = MAC_ENABLE;
3593 rc = issuecommand(ai, &cmd, &rsp);
3595 set_bit(FLAG_ENABLED, &ai->flags);
3603 airo_print_err(ai->dev->name, "Cannot enable MAC");
3604 else if ((rsp.status & 0xFF00) != 0) {
3605 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3606 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3612 static void disable_MAC( struct airo_info *ai, int lock ) {
3616 if (lock == 1 && down_interruptible(&ai->sem))
3619 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3620 if (lock != 2) /* lock == 2 means don't disable carrier */
3621 netif_carrier_off(ai->dev);
3622 memset(&cmd, 0, sizeof(cmd));
3623 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3624 issuecommand(ai, &cmd, &rsp);
3625 clear_bit(FLAG_ENABLED, &ai->flags);
3631 static void enable_interrupts( struct airo_info *ai ) {
3632 /* Enable the interrupts */
3633 OUT4500( ai, EVINTEN, STATUS_INTS );
3636 static void disable_interrupts( struct airo_info *ai ) {
3637 OUT4500( ai, EVINTEN, 0 );
3640 static void mpi_receive_802_3(struct airo_info *ai)
3644 struct sk_buff *skb;
3649 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3650 /* Make sure we got something */
3651 if (rxd.rdy && rxd.valid == 0) {
3653 if (len < 12 || len > 2048)
3656 skb = dev_alloc_skb(len);
3658 ai->dev->stats.rx_dropped++;
3661 buffer = skb_put(skb,len);
3662 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3663 if (ai->micstats.enabled) {
3665 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3667 if (ntohs(micbuf.typelen) <= 0x05DC) {
3668 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3671 off = sizeof(micbuf);
3672 skb_trim (skb, len - off);
3675 memcpy(buffer + ETH_ALEN * 2,
3676 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3677 len - ETH_ALEN * 2 - off);
3678 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3680 dev_kfree_skb_irq (skb);
3684 if (ai->spy_data.spy_number > 0) {
3686 struct iw_quality wstats;
3687 /* Prepare spy data : addr + qual */
3688 sa = buffer + ETH_ALEN;
3689 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3692 /* Update spy records */
3693 wireless_spy_update(ai->dev, sa, &wstats);
3695 #endif /* WIRELESS_SPY */
3697 skb->ip_summed = CHECKSUM_NONE;
3698 skb->protocol = eth_type_trans(skb, ai->dev);
3702 if (rxd.valid == 0) {
3706 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3710 static void mpi_receive_802_11(struct airo_info *ai)
3713 struct sk_buff *skb = NULL;
3714 u16 len, hdrlen = 0;
3719 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3721 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3722 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3724 /* Bad CRC. Ignore packet */
3725 if (le16_to_cpu(hdr.status) & 2)
3727 if (ai->wifidev == NULL)
3729 len = le16_to_cpu(hdr.len);
3730 if (len > AIRO_DEF_MTU) {
3731 airo_print_err(ai->dev->name, "Bad size %d", len);
3737 fc = get_unaligned((__le16 *)ptr);
3738 hdrlen = header_len(fc);
3740 skb = dev_alloc_skb( len + hdrlen + 2 );
3742 ai->dev->stats.rx_dropped++;
3745 buffer = (u16*)skb_put (skb, len + hdrlen);
3746 memcpy ((char *)buffer, ptr, hdrlen);
3750 gap = get_unaligned_le16(ptr);
3751 ptr += sizeof(__le16);
3756 airo_print_err(ai->dev->name,
3757 "gaplen too big. Problems will follow...");
3759 memcpy ((char *)buffer + hdrlen, ptr, len);
3761 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3762 if (ai->spy_data.spy_number > 0) {
3764 struct iw_quality wstats;
3765 /* Prepare spy data : addr + qual */
3766 sa = (char*)buffer + 10;
3767 wstats.qual = hdr.rssi[0];
3769 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3771 wstats.level = (hdr.rssi[1] + 321) / 2;
3772 wstats.noise = ai->wstats.qual.noise;
3773 wstats.updated = IW_QUAL_QUAL_UPDATED
3774 | IW_QUAL_LEVEL_UPDATED
3776 /* Update spy records */
3777 wireless_spy_update(ai->dev, sa, &wstats);
3779 #endif /* IW_WIRELESS_SPY */
3780 skb_reset_mac_header(skb);
3781 skb->pkt_type = PACKET_OTHERHOST;
3782 skb->dev = ai->wifidev;
3783 skb->protocol = htons(ETH_P_802_2);
3784 skb->ip_summed = CHECKSUM_NONE;
3788 if (rxd.valid == 0) {
3792 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3796 static inline void set_auth_type(struct airo_info *local, int auth_type)
3798 local->config.authType = auth_type;
3799 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3800 * Used by airo_set_auth()
3802 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3803 local->last_auth = auth_type;
3806 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3816 memset( &mySsid, 0, sizeof( mySsid ) );
3820 /* The NOP is the first step in getting the card going */
3822 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3823 if (lock && down_interruptible(&ai->sem))
3825 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3830 disable_MAC( ai, 0);
3832 // Let's figure out if we need to use the AUX port
3833 if (!test_bit(FLAG_MPI,&ai->flags)) {
3834 cmd.cmd = CMD_ENABLEAUX;
3835 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3838 airo_print_err(ai->dev->name, "Error checking for AUX port");
3841 if (!aux_bap || rsp.status & 0xff00) {
3842 ai->bap_read = fast_bap_read;
3843 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3845 ai->bap_read = aux_bap_read;
3846 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3851 if (ai->config.len == 0) {
3853 tdsRssiRid rssi_rid;
3854 CapabilityRid cap_rid;
3858 // general configuration (read/modify/write)
3859 status = readConfigRid(ai, lock);
3860 if ( status != SUCCESS ) return ERROR;
3862 status = readCapabilityRid(ai, &cap_rid, lock);
3863 if ( status != SUCCESS ) return ERROR;
3865 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3866 if ( status == SUCCESS ) {
3867 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3868 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3873 if (cap_rid.softCap & cpu_to_le16(8))
3874 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3876 airo_print_warn(ai->dev->name, "unknown received signal "
3879 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3880 set_auth_type(ai, AUTH_OPEN);
3881 ai->config.modulation = MOD_CCK;
3883 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3884 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3885 micsetup(ai) == SUCCESS) {
3886 ai->config.opmode |= MODE_MIC;
3887 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3890 /* Save off the MAC */
3891 for( i = 0; i < ETH_ALEN; i++ ) {
3892 mac[i] = ai->config.macAddr[i];
3895 /* Check to see if there are any insmod configured
3898 memset(ai->config.rates,0,sizeof(ai->config.rates));
3899 for( i = 0; i < 8 && rates[i]; i++ ) {
3900 ai->config.rates[i] = rates[i];
3903 set_bit (FLAG_COMMIT, &ai->flags);
3906 /* Setup the SSIDs if present */
3909 for( i = 0; i < 3 && ssids[i]; i++ ) {
3910 size_t len = strlen(ssids[i]);
3913 mySsid.ssids[i].len = cpu_to_le16(len);
3914 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3916 mySsid.len = cpu_to_le16(sizeof(mySsid));
3919 status = writeConfigRid(ai, lock);
3920 if ( status != SUCCESS ) return ERROR;
3922 /* Set up the SSID list */
3924 status = writeSsidRid(ai, &mySsid, lock);
3925 if ( status != SUCCESS ) return ERROR;
3928 status = enable_MAC(ai, lock);
3929 if (status != SUCCESS)
3932 /* Grab the initial wep key, we gotta save it for auto_wep */
3933 rc = readWepKeyRid(ai, &wkr, 1, lock);
3934 if (rc == SUCCESS) do {
3935 lastindex = wkr.kindex;
3936 if (wkr.kindex == cpu_to_le16(0xffff)) {
3937 ai->defindex = wkr.mac[0];
3939 rc = readWepKeyRid(ai, &wkr, 0, lock);
3940 } while(lastindex != wkr.kindex);
3947 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3948 // Im really paranoid about letting it run forever!
3949 int max_tries = 600000;
3951 if (IN4500(ai, EVSTAT) & EV_CMD)
3952 OUT4500(ai, EVACK, EV_CMD);
3954 OUT4500(ai, PARAM0, pCmd->parm0);
3955 OUT4500(ai, PARAM1, pCmd->parm1);
3956 OUT4500(ai, PARAM2, pCmd->parm2);
3957 OUT4500(ai, COMMAND, pCmd->cmd);
3959 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3960 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3961 // PC4500 didn't notice command, try again
3962 OUT4500(ai, COMMAND, pCmd->cmd);
3963 if (!in_atomic() && (max_tries & 255) == 0)
3967 if ( max_tries == -1 ) {
3968 airo_print_err(ai->dev->name,
3969 "Max tries exceeded when issuing command");
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3975 // command completed
3976 pRsp->status = IN4500(ai, STATUS);
3977 pRsp->rsp0 = IN4500(ai, RESP0);
3978 pRsp->rsp1 = IN4500(ai, RESP1);
3979 pRsp->rsp2 = IN4500(ai, RESP2);
3980 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3981 airo_print_err(ai->dev->name,
3982 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3983 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3986 // clear stuck command busy if necessary
3987 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3988 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3990 // acknowledge processing the status/response
3991 OUT4500(ai, EVACK, EV_CMD);
3996 /* Sets up the bap to start exchange data. whichbap should
3997 * be one of the BAP0 or BAP1 defines. Locks should be held before
3999 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4004 OUT4500(ai, SELECT0+whichbap, rid);
4005 OUT4500(ai, OFFSET0+whichbap, offset);
4007 int status = IN4500(ai, OFFSET0+whichbap);
4008 if (status & BAP_BUSY) {
4009 /* This isn't really a timeout, but its kinda
4014 } else if ( status & BAP_ERR ) {
4015 /* invalid rid or offset */
4016 airo_print_err(ai->dev->name, "BAP error %x %d",
4019 } else if (status & BAP_DONE) { // success
4022 if ( !(max_tries--) ) {
4023 airo_print_err(ai->dev->name,
4024 "BAP setup error too many retries\n");
4027 // -- PC4500 missed it, try again
4028 OUT4500(ai, SELECT0+whichbap, rid);
4029 OUT4500(ai, OFFSET0+whichbap, offset);
4034 /* should only be called by aux_bap_read. This aux function and the
4035 following use concepts not documented in the developers guide. I
4036 got them from a patch given to my by Aironet */
4037 static u16 aux_setup(struct airo_info *ai, u16 page,
4038 u16 offset, u16 *len)
4042 OUT4500(ai, AUXPAGE, page);
4043 OUT4500(ai, AUXOFF, 0);
4044 next = IN4500(ai, AUXDATA);
4045 *len = IN4500(ai, AUXDATA)&0xff;
4046 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4050 /* requires call to bap_setup() first */
4051 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4052 int bytelen, int whichbap)
4060 unsigned long flags;
4062 spin_lock_irqsave(&ai->aux_lock, flags);
4063 page = IN4500(ai, SWS0+whichbap);
4064 offset = IN4500(ai, SWS2+whichbap);
4065 next = aux_setup(ai, page, offset, &len);
4066 words = (bytelen+1)>>1;
4068 for (i=0; i<words;) {
4070 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4072 insw( ai->dev->base_addr+DATA0+whichbap,
4075 insb( ai->dev->base_addr+DATA0+whichbap,
4076 pu16Dst+i, count << 1 );
4079 next = aux_setup(ai, next, 4, &len);
4082 spin_unlock_irqrestore(&ai->aux_lock, flags);
4087 /* requires call to bap_setup() first */
4088 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4089 int bytelen, int whichbap)
4091 bytelen = (bytelen + 1) & (~1); // round up to even value
4093 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4095 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4099 /* requires call to bap_setup() first */
4100 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4101 int bytelen, int whichbap)
4103 bytelen = (bytelen + 1) & (~1); // round up to even value
4105 outsw( ai->dev->base_addr+DATA0+whichbap,
4106 pu16Src, bytelen>>1 );
4108 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4112 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4114 Cmd cmd; /* for issuing commands */
4115 Resp rsp; /* response from commands */
4118 memset(&cmd, 0, sizeof(cmd));
4121 status = issuecommand(ai, &cmd, &rsp);
4122 if (status != 0) return status;
4123 if ( (rsp.status & 0x7F00) != 0) {
4124 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4129 /* Note, that we are using BAP1 which is also used by transmit, so
4130 * we must get a lock. */
4131 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4137 if (down_interruptible(&ai->sem))
4140 if (test_bit(FLAG_MPI,&ai->flags)) {
4144 memset(&cmd, 0, sizeof(cmd));
4145 memset(&rsp, 0, sizeof(rsp));
4146 ai->config_desc.rid_desc.valid = 1;
4147 ai->config_desc.rid_desc.len = RIDSIZE;
4148 ai->config_desc.rid_desc.rid = 0;
4149 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4151 cmd.cmd = CMD_ACCESS;
4154 memcpy_toio(ai->config_desc.card_ram_off,
4155 &ai->config_desc.rid_desc, sizeof(Rid));
4157 rc = issuecommand(ai, &cmd, &rsp);
4159 if (rsp.status & 0x7f00)
4162 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4165 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4169 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4173 // read the rid length field
4174 bap_read(ai, pBuf, 2, BAP1);
4175 // length for remaining part of rid
4176 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4179 airo_print_err(ai->dev->name,
4180 "Rid %x has a length of %d which is too short",
4181 (int)rid, (int)len );
4185 // read remainder of the rid
4186 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4194 /* Note, that we are using BAP1 which is also used by transmit, so
4195 * make sure this isn't called when a transmit is happening */
4196 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4197 const void *pBuf, int len, int lock)
4202 *(__le16*)pBuf = cpu_to_le16((u16)len);
4205 if (down_interruptible(&ai->sem))
4208 if (test_bit(FLAG_MPI,&ai->flags)) {
4212 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4213 airo_print_err(ai->dev->name,
4214 "%s: MAC should be disabled (rid=%04x)",
4216 memset(&cmd, 0, sizeof(cmd));
4217 memset(&rsp, 0, sizeof(rsp));
4219 ai->config_desc.rid_desc.valid = 1;
4220 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4221 ai->config_desc.rid_desc.rid = 0;
4223 cmd.cmd = CMD_WRITERID;
4226 memcpy_toio(ai->config_desc.card_ram_off,
4227 &ai->config_desc.rid_desc, sizeof(Rid));
4229 if (len < 4 || len > 2047) {
4230 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4233 memcpy(ai->config_desc.virtual_host_addr,
4236 rc = issuecommand(ai, &cmd, &rsp);
4237 if ((rc & 0xff00) != 0) {
4238 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4240 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4244 if ((rsp.status & 0x7f00))
4248 // --- first access so that we can write the rid data
4249 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4253 // --- now write the rid data
4254 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4258 bap_write(ai, pBuf, len, BAP1);
4259 // ---now commit the rid data
4260 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4268 /* Allocates a FID to be used for transmitting packets. We only use
4270 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4272 unsigned int loop = 3000;
4278 cmd.cmd = CMD_ALLOCATETX;
4279 cmd.parm0 = lenPayload;
4280 if (down_interruptible(&ai->sem))
4282 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4286 if ( (rsp.status & 0xFF00) != 0) {
4290 /* wait for the allocate event/indication
4291 * It makes me kind of nervous that this can just sit here and spin,
4292 * but in practice it only loops like four times. */
4293 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4299 // get the allocated fid and acknowledge
4300 txFid = IN4500(ai, TXALLOCFID);
4301 OUT4500(ai, EVACK, EV_ALLOC);
4303 /* The CARD is pretty cool since it converts the ethernet packet
4304 * into 802.11. Also note that we don't release the FID since we
4305 * will be using the same one over and over again. */
4306 /* We only have to setup the control once since we are not
4307 * releasing the fid. */
4309 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4310 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4312 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4313 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4314 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4317 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4325 /* In general BAP1 is dedicated to transmiting packets. However,
4326 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4327 Make sure the BAP1 spinlock is held when this is called. */
4328 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4339 if (len <= ETH_ALEN * 2) {
4340 airo_print_warn(ai->dev->name, "Short packet %d", len);
4343 len -= ETH_ALEN * 2;
4345 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4346 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4347 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4349 miclen = sizeof(pMic);
4351 // packet is destination[6], source[6], payload[len-12]
4352 // write the payload length and dst/src/payload
4353 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4354 /* The hardware addresses aren't counted as part of the payload, so
4355 * we have to subtract the 12 bytes for the addresses off */
4356 payloadLen = cpu_to_le16(len + miclen);
4357 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4358 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4360 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4361 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4362 // issue the transmit command
4363 memset( &cmd, 0, sizeof( cmd ) );
4364 cmd.cmd = CMD_TRANSMIT;
4366 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4367 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4371 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4373 __le16 fc, payloadLen;
4377 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4378 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4382 fc = *(__le16*)pPacket;
4383 hdrlen = header_len(fc);
4386 airo_print_warn(ai->dev->name, "Short packet %d", len);
4390 /* packet is 802.11 header + payload
4391 * write the payload length and dst/src/payload */
4392 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4393 /* The 802.11 header aren't counted as part of the payload, so
4394 * we have to subtract the header bytes off */
4395 payloadLen = cpu_to_le16(len-hdrlen);
4396 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4397 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4398 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4399 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4401 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4402 // issue the transmit command
4403 memset( &cmd, 0, sizeof( cmd ) );
4404 cmd.cmd = CMD_TRANSMIT;
4406 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4407 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4412 * This is the proc_fs routines. It is a bit messier than I would
4413 * like! Feel free to clean it up!
4416 static ssize_t proc_read( struct file *file,
4417 char __user *buffer,
4421 static ssize_t proc_write( struct file *file,
4422 const char __user *buffer,
4425 static int proc_close( struct inode *inode, struct file *file );
4427 static int proc_stats_open( struct inode *inode, struct file *file );
4428 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4429 static int proc_status_open( struct inode *inode, struct file *file );
4430 static int proc_SSID_open( struct inode *inode, struct file *file );
4431 static int proc_APList_open( struct inode *inode, struct file *file );
4432 static int proc_BSSList_open( struct inode *inode, struct file *file );
4433 static int proc_config_open( struct inode *inode, struct file *file );
4434 static int proc_wepkey_open( struct inode *inode, struct file *file );
4436 static const struct file_operations proc_statsdelta_ops = {
4437 .owner = THIS_MODULE,
4439 .open = proc_statsdelta_open,
4440 .release = proc_close,
4441 .llseek = default_llseek,
4444 static const struct file_operations proc_stats_ops = {
4445 .owner = THIS_MODULE,
4447 .open = proc_stats_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4452 static const struct file_operations proc_status_ops = {
4453 .owner = THIS_MODULE,
4455 .open = proc_status_open,
4456 .release = proc_close,
4457 .llseek = default_llseek,
4460 static const struct file_operations proc_SSID_ops = {
4461 .owner = THIS_MODULE,
4463 .write = proc_write,
4464 .open = proc_SSID_open,
4465 .release = proc_close,
4466 .llseek = default_llseek,
4469 static const struct file_operations proc_BSSList_ops = {
4470 .owner = THIS_MODULE,
4472 .write = proc_write,
4473 .open = proc_BSSList_open,
4474 .release = proc_close,
4475 .llseek = default_llseek,
4478 static const struct file_operations proc_APList_ops = {
4479 .owner = THIS_MODULE,
4481 .write = proc_write,
4482 .open = proc_APList_open,
4483 .release = proc_close,
4484 .llseek = default_llseek,
4487 static const struct file_operations proc_config_ops = {
4488 .owner = THIS_MODULE,
4490 .write = proc_write,
4491 .open = proc_config_open,
4492 .release = proc_close,
4493 .llseek = default_llseek,
4496 static const struct file_operations proc_wepkey_ops = {
4497 .owner = THIS_MODULE,
4499 .write = proc_write,
4500 .open = proc_wepkey_open,
4501 .release = proc_close,
4502 .llseek = default_llseek,
4505 static struct proc_dir_entry *airo_entry;
4514 void (*on_close) (struct inode *, struct file *);
4517 static int setup_proc_entry( struct net_device *dev,
4518 struct airo_info *apriv ) {
4519 struct proc_dir_entry *entry;
4521 /* First setup the device directory */
4522 strcpy(apriv->proc_name,dev->name);
4523 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4525 if (!apriv->proc_entry)
4527 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4529 /* Setup the StatsDelta */
4530 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4531 apriv->proc_entry, &proc_statsdelta_ops, dev);
4534 proc_set_user(entry, proc_kuid, proc_kgid);
4536 /* Setup the Stats */
4537 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4538 apriv->proc_entry, &proc_stats_ops, dev);
4541 proc_set_user(entry, proc_kuid, proc_kgid);
4543 /* Setup the Status */
4544 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4545 apriv->proc_entry, &proc_status_ops, dev);
4548 proc_set_user(entry, proc_kuid, proc_kgid);
4550 /* Setup the Config */
4551 entry = proc_create_data("Config", proc_perm,
4552 apriv->proc_entry, &proc_config_ops, dev);
4555 proc_set_user(entry, proc_kuid, proc_kgid);
4557 /* Setup the SSID */
4558 entry = proc_create_data("SSID", proc_perm,
4559 apriv->proc_entry, &proc_SSID_ops, dev);
4562 proc_set_user(entry, proc_kuid, proc_kgid);
4564 /* Setup the APList */
4565 entry = proc_create_data("APList", proc_perm,
4566 apriv->proc_entry, &proc_APList_ops, dev);
4569 proc_set_user(entry, proc_kuid, proc_kgid);
4571 /* Setup the BSSList */
4572 entry = proc_create_data("BSSList", proc_perm,
4573 apriv->proc_entry, &proc_BSSList_ops, dev);
4576 proc_set_user(entry, proc_kuid, proc_kgid);
4578 /* Setup the WepKey */
4579 entry = proc_create_data("WepKey", proc_perm,
4580 apriv->proc_entry, &proc_wepkey_ops, dev);
4583 proc_set_user(entry, proc_kuid, proc_kgid);
4587 remove_proc_subtree(apriv->proc_name, airo_entry);
4591 static int takedown_proc_entry( struct net_device *dev,
4592 struct airo_info *apriv )
4594 remove_proc_subtree(apriv->proc_name, airo_entry);
4599 * What we want from the proc_fs is to be able to efficiently read
4600 * and write the configuration. To do this, we want to read the
4601 * configuration when the file is opened and write it when the file is
4602 * closed. So basically we allocate a read buffer at open and fill it
4603 * with data, and allocate a write buffer and read it at close.
4607 * The read routine is generic, it relies on the preallocated rbuffer
4608 * to supply the data.
4610 static ssize_t proc_read( struct file *file,
4611 char __user *buffer,
4615 struct proc_data *priv = file->private_data;
4620 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4625 * The write routine is generic, it fills in a preallocated rbuffer
4626 * to supply the data.
4628 static ssize_t proc_write( struct file *file,
4629 const char __user *buffer,
4634 struct proc_data *priv = file->private_data;
4639 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4642 priv->writelen = max_t(int, priv->writelen, *offset);
4647 static int proc_status_open(struct inode *inode, struct file *file)
4649 struct proc_data *data;
4650 struct net_device *dev = PDE_DATA(inode);
4651 struct airo_info *apriv = dev->ml_priv;
4652 CapabilityRid cap_rid;
4653 StatusRid status_rid;
4657 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4659 data = file->private_data;
4660 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4661 kfree (file->private_data);
4665 readStatusRid(apriv, &status_rid, 1);
4666 readCapabilityRid(apriv, &cap_rid, 1);
4668 mode = le16_to_cpu(status_rid.mode);
4670 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4671 mode & 1 ? "CFG ": "",
4672 mode & 2 ? "ACT ": "",
4673 mode & 0x10 ? "SYN ": "",
4674 mode & 0x20 ? "LNK ": "",
4675 mode & 0x40 ? "LEAP ": "",
4676 mode & 0x80 ? "PRIV ": "",
4677 mode & 0x100 ? "KEY ": "",
4678 mode & 0x200 ? "WEP ": "",
4679 mode & 0x8000 ? "ERR ": "");
4680 sprintf( data->rbuffer+i, "Mode: %x\n"
4681 "Signal Strength: %d\n"
4682 "Signal Quality: %d\n"
4687 "Driver Version: %s\n"
4688 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4689 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4690 "Software Version: %x\nSoftware Subversion: %x\n"
4691 "Boot block version: %x\n",
4692 le16_to_cpu(status_rid.mode),
4693 le16_to_cpu(status_rid.normalizedSignalStrength),
4694 le16_to_cpu(status_rid.signalQuality),
4695 le16_to_cpu(status_rid.SSIDlen),
4698 le16_to_cpu(status_rid.channel),
4699 le16_to_cpu(status_rid.currentXmitRate) / 2,
4704 le16_to_cpu(cap_rid.radioType),
4705 le16_to_cpu(cap_rid.country),
4706 le16_to_cpu(cap_rid.hardVer),
4707 le16_to_cpu(cap_rid.softVer),
4708 le16_to_cpu(cap_rid.softSubVer),
4709 le16_to_cpu(cap_rid.bootBlockVer));
4710 data->readlen = strlen( data->rbuffer );
4714 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4715 static int proc_statsdelta_open( struct inode *inode,
4716 struct file *file ) {
4717 if (file->f_mode&FMODE_WRITE) {
4718 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4720 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4723 static int proc_stats_open( struct inode *inode, struct file *file ) {
4724 return proc_stats_rid_open(inode, file, RID_STATS);
4727 static int proc_stats_rid_open( struct inode *inode,
4731 struct proc_data *data;
4732 struct net_device *dev = PDE_DATA(inode);
4733 struct airo_info *apriv = dev->ml_priv;
4736 __le32 *vals = stats.vals;
4739 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4741 data = file->private_data;
4742 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4743 kfree (file->private_data);
4747 readStatsRid(apriv, &stats, rid, 1);
4748 len = le16_to_cpu(stats.len);
4751 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4752 if (!statsLabels[i]) continue;
4753 if (j+strlen(statsLabels[i])+16>4096) {
4754 airo_print_warn(apriv->dev->name,
4755 "Potentially disastrous buffer overflow averted!");
4758 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4759 le32_to_cpu(vals[i]));
4762 airo_print_warn(apriv->dev->name, "Got a short rid");
4768 static int get_dec_u16( char *buffer, int *start, int limit ) {
4771 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4772 buffer[*start] <= '9'; (*start)++) {
4775 value += buffer[*start] - '0';
4777 if ( !valid ) return -1;
4781 static int airo_config_commit(struct net_device *dev,
4782 struct iw_request_info *info, void *zwrq,
4785 static inline int sniffing_mode(struct airo_info *ai)
4787 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4788 le16_to_cpu(RXMODE_RFMON);
4791 static void proc_config_on_close(struct inode *inode, struct file *file)
4793 struct proc_data *data = file->private_data;
4794 struct net_device *dev = PDE_DATA(inode);
4795 struct airo_info *ai = dev->ml_priv;
4798 if ( !data->writelen ) return;
4800 readConfigRid(ai, 1);
4801 set_bit (FLAG_COMMIT, &ai->flags);
4803 line = data->wbuffer;
4805 /*** Mode processing */
4806 if ( !strncmp( line, "Mode: ", 6 ) ) {
4808 if (sniffing_mode(ai))
4809 set_bit (FLAG_RESET, &ai->flags);
4810 ai->config.rmode &= ~RXMODE_FULL_MASK;
4811 clear_bit (FLAG_802_11, &ai->flags);
4812 ai->config.opmode &= ~MODE_CFG_MASK;
4813 ai->config.scanMode = SCANMODE_ACTIVE;
4814 if ( line[0] == 'a' ) {
4815 ai->config.opmode |= MODE_STA_IBSS;
4817 ai->config.opmode |= MODE_STA_ESS;
4818 if ( line[0] == 'r' ) {
4819 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4820 ai->config.scanMode = SCANMODE_PASSIVE;
4821 set_bit (FLAG_802_11, &ai->flags);
4822 } else if ( line[0] == 'y' ) {
4823 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4824 ai->config.scanMode = SCANMODE_PASSIVE;
4825 set_bit (FLAG_802_11, &ai->flags);
4826 } else if ( line[0] == 'l' )
4827 ai->config.rmode |= RXMODE_LANMON;
4829 set_bit (FLAG_COMMIT, &ai->flags);
4832 /*** Radio status */
4833 else if (!strncmp(line,"Radio: ", 7)) {
4835 if (!strncmp(line,"off",3)) {
4836 set_bit (FLAG_RADIO_OFF, &ai->flags);
4838 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4841 /*** NodeName processing */
4842 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4846 memset( ai->config.nodeName, 0, 16 );
4847 /* Do the name, assume a space between the mode and node name */
4848 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4849 ai->config.nodeName[j] = line[j];
4851 set_bit (FLAG_COMMIT, &ai->flags);
4854 /*** PowerMode processing */
4855 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4857 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4858 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 } else if ( !strncmp( line, "PSP", 3 ) ) {
4861 ai->config.powerSaveMode = POWERSAVE_PSP;
4862 set_bit (FLAG_COMMIT, &ai->flags);
4864 ai->config.powerSaveMode = POWERSAVE_CAM;
4865 set_bit (FLAG_COMMIT, &ai->flags);
4867 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4868 int v, i = 0, k = 0; /* i is index into line,
4869 k is index to rates */
4872 while((v = get_dec_u16(line, &i, 3))!=-1) {
4873 ai->config.rates[k++] = (u8)v;
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4881 v = get_dec_u16(line, &i, i+3);
4883 ai->config.channelSet = cpu_to_le16(v);
4884 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4889 v = get_dec_u16(line, &i, i+3);
4891 ai->config.txPower = cpu_to_le16(v);
4892 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4898 set_auth_type(ai, AUTH_SHAREDKEY);
4901 set_auth_type(ai, AUTH_ENCRYPT);
4904 set_auth_type(ai, AUTH_OPEN);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4912 v = get_dec_u16(line, &i, 3);
4913 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4914 ai->config.longRetryLimit = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4920 v = get_dec_u16(line, &i, 3);
4921 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4922 ai->config.shortRetryLimit = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4928 v = get_dec_u16(line, &i, 4);
4929 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4930 ai->config.rtsThres = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4936 v = get_dec_u16(line, &i, 5);
4938 ai->config.txLifetime = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4944 v = get_dec_u16(line, &i, 5);
4946 ai->config.rxLifetime = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4949 ai->config.txDiversity =
4950 (line[13]=='l') ? 1 :
4951 ((line[13]=='r')? 2: 3);
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4954 ai->config.rxDiversity =
4955 (line[13]=='l') ? 1 :
4956 ((line[13]=='r')? 2: 3);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4962 v = get_dec_u16(line, &i, 4);
4963 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4964 v = v & 0xfffe; /* Make sure its even */
4965 ai->config.fragThresh = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if (!strncmp(line, "Modulation: ", 12)) {
4970 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4971 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4972 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4975 } else if (!strncmp(line, "Preamble: ", 10)) {
4978 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4984 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4986 while( line[0] && line[0] != '\n' ) line++;
4987 if ( line[0] ) line++;
4989 airo_config_commit(dev, NULL, NULL, NULL);
4992 static const char *get_rmode(__le16 mode)
4994 switch(mode & RXMODE_MASK) {
4995 case RXMODE_RFMON: return "rfmon";
4996 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4997 case RXMODE_LANMON: return "lanmon";
5002 static int proc_config_open(struct inode *inode, struct file *file)
5004 struct proc_data *data;
5005 struct net_device *dev = PDE_DATA(inode);
5006 struct airo_info *ai = dev->ml_priv;
5010 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5012 data = file->private_data;
5013 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5014 kfree (file->private_data);
5017 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5018 kfree (data->rbuffer);
5019 kfree (file->private_data);
5022 data->maxwritelen = 2048;
5023 data->on_close = proc_config_on_close;
5025 readConfigRid(ai, 1);
5027 mode = ai->config.opmode & MODE_CFG_MASK;
5028 i = sprintf( data->rbuffer,
5033 "DataRates: %d %d %d %d %d %d %d %d\n"
5036 mode == MODE_STA_IBSS ? "adhoc" :
5037 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5038 mode == MODE_AP ? "AP" :
5039 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5040 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5041 ai->config.nodeName,
5042 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5043 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5044 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5046 (int)ai->config.rates[0],
5047 (int)ai->config.rates[1],
5048 (int)ai->config.rates[2],
5049 (int)ai->config.rates[3],
5050 (int)ai->config.rates[4],
5051 (int)ai->config.rates[5],
5052 (int)ai->config.rates[6],
5053 (int)ai->config.rates[7],
5054 le16_to_cpu(ai->config.channelSet),
5055 le16_to_cpu(ai->config.txPower)
5057 sprintf( data->rbuffer + i,
5058 "LongRetryLimit: %d\n"
5059 "ShortRetryLimit: %d\n"
5060 "RTSThreshold: %d\n"
5061 "TXMSDULifetime: %d\n"
5062 "RXMSDULifetime: %d\n"
5065 "FragThreshold: %d\n"
5069 le16_to_cpu(ai->config.longRetryLimit),
5070 le16_to_cpu(ai->config.shortRetryLimit),
5071 le16_to_cpu(ai->config.rtsThres),
5072 le16_to_cpu(ai->config.txLifetime),
5073 le16_to_cpu(ai->config.rxLifetime),
5074 ai->config.txDiversity == 1 ? "left" :
5075 ai->config.txDiversity == 2 ? "right" : "both",
5076 ai->config.rxDiversity == 1 ? "left" :
5077 ai->config.rxDiversity == 2 ? "right" : "both",
5078 le16_to_cpu(ai->config.fragThresh),
5079 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5080 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5081 ai->config.modulation == MOD_DEFAULT ? "default" :
5082 ai->config.modulation == MOD_CCK ? "cck" :
5083 ai->config.modulation == MOD_MOK ? "mok" : "error",
5084 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5085 ai->config.preamble == PREAMBLE_LONG ? "long" :
5086 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5088 data->readlen = strlen( data->rbuffer );
5092 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5094 struct proc_data *data = file->private_data;
5095 struct net_device *dev = PDE_DATA(inode);
5096 struct airo_info *ai = dev->ml_priv;
5099 char *p = data->wbuffer;
5100 char *end = p + data->writelen;
5102 if (!data->writelen)
5105 *end = '\n'; /* sentinel; we have space for it */
5107 memset(&SSID_rid, 0, sizeof(SSID_rid));
5109 for (i = 0; i < 3 && p < end; i++) {
5111 /* copy up to 32 characters from this line */
5112 while (*p != '\n' && j < 32)
5113 SSID_rid.ssids[i].ssid[j++] = *p++;
5116 SSID_rid.ssids[i].len = cpu_to_le16(j);
5117 /* skip to the beginning of the next line */
5118 while (*p++ != '\n')
5122 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5124 writeSsidRid(ai, &SSID_rid, 1);
5128 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5129 struct proc_data *data = file->private_data;
5130 struct net_device *dev = PDE_DATA(inode);
5131 struct airo_info *ai = dev->ml_priv;
5132 APListRid *APList_rid = &ai->APList;
5135 if ( !data->writelen ) return;
5137 memset(APList_rid, 0, sizeof(*APList_rid));
5138 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5140 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5142 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5145 APList_rid->ap[i][j/3]=
5146 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5149 APList_rid->ap[i][j/3]|=
5150 hex_to_bin(data->wbuffer[j+i*6*3]);
5156 writeAPListRid(ai, APList_rid, 1);
5160 /* This function wraps PC4500_writerid with a MAC disable */
5161 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5162 int len, int dummy ) {
5166 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5171 /* Returns the WEP key at the specified index, or -1 if that key does
5172 * not exist. The buffer is assumed to be at least 16 bytes in length.
5174 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5180 rc = readWepKeyRid(ai, &wkr, 1, 1);
5184 lastindex = wkr.kindex;
5185 if (le16_to_cpu(wkr.kindex) == index) {
5186 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5187 memcpy(buf, wkr.key, klen);
5190 rc = readWepKeyRid(ai, &wkr, 0, 1);
5193 } while (lastindex != wkr.kindex);
5197 static int get_wep_tx_idx(struct airo_info *ai)
5203 rc = readWepKeyRid(ai, &wkr, 1, 1);
5207 lastindex = wkr.kindex;
5208 if (wkr.kindex == cpu_to_le16(0xffff))
5210 rc = readWepKeyRid(ai, &wkr, 0, 1);
5213 } while (lastindex != wkr.kindex);
5217 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5218 u16 keylen, int perm, int lock)
5220 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5224 if (WARN_ON(keylen == 0))
5227 memset(&wkr, 0, sizeof(wkr));
5228 wkr.len = cpu_to_le16(sizeof(wkr));
5229 wkr.kindex = cpu_to_le16(index);
5230 wkr.klen = cpu_to_le16(keylen);
5231 memcpy(wkr.key, key, keylen);
5232 memcpy(wkr.mac, macaddr, ETH_ALEN);
5234 if (perm) disable_MAC(ai, lock);
5235 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5236 if (perm) enable_MAC(ai, lock);
5240 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5245 memset(&wkr, 0, sizeof(wkr));
5246 wkr.len = cpu_to_le16(sizeof(wkr));
5247 wkr.kindex = cpu_to_le16(0xffff);
5248 wkr.mac[0] = (char)index;
5251 ai->defindex = (char)index;
5252 disable_MAC(ai, lock);
5255 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5258 enable_MAC(ai, lock);
5262 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5263 struct proc_data *data;
5264 struct net_device *dev = PDE_DATA(inode);
5265 struct airo_info *ai = dev->ml_priv;
5271 memset(key, 0, sizeof(key));
5273 data = file->private_data;
5274 if ( !data->writelen ) return;
5276 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5277 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5278 index = data->wbuffer[0] - '0';
5279 if (data->wbuffer[1] == '\n') {
5280 rc = set_wep_tx_idx(ai, index, 1, 1);
5282 airo_print_err(ai->dev->name, "failed to set "
5283 "WEP transmit index to %d: %d.",
5290 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5294 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5297 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5300 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5305 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5307 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5308 "%d: %d.", index, rc);
5312 static int proc_wepkey_open( struct inode *inode, struct file *file )
5314 struct proc_data *data;
5315 struct net_device *dev = PDE_DATA(inode);
5316 struct airo_info *ai = dev->ml_priv;
5323 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5325 memset(&wkr, 0, sizeof(wkr));
5326 data = file->private_data;
5327 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5328 kfree (file->private_data);
5332 data->maxwritelen = 80;
5333 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5334 kfree (data->rbuffer);
5335 kfree (file->private_data);
5338 data->on_close = proc_wepkey_on_close;
5340 ptr = data->rbuffer;
5341 strcpy(ptr, "No wep keys\n");
5342 rc = readWepKeyRid(ai, &wkr, 1, 1);
5343 if (rc == SUCCESS) do {
5344 lastindex = wkr.kindex;
5345 if (wkr.kindex == cpu_to_le16(0xffff)) {
5346 j += sprintf(ptr+j, "Tx key = %d\n",
5349 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5350 le16_to_cpu(wkr.kindex),
5351 le16_to_cpu(wkr.klen));
5353 readWepKeyRid(ai, &wkr, 0, 1);
5354 } while((lastindex != wkr.kindex) && (j < 180-30));
5356 data->readlen = strlen( data->rbuffer );
5360 static int proc_SSID_open(struct inode *inode, struct file *file)
5362 struct proc_data *data;
5363 struct net_device *dev = PDE_DATA(inode);
5364 struct airo_info *ai = dev->ml_priv;
5369 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5371 data = file->private_data;
5372 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5373 kfree (file->private_data);
5377 data->maxwritelen = 33*3;
5378 /* allocate maxwritelen + 1; we'll want a sentinel */
5379 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5380 kfree (data->rbuffer);
5381 kfree (file->private_data);
5384 data->on_close = proc_SSID_on_close;
5386 readSsidRid(ai, &SSID_rid);
5387 ptr = data->rbuffer;
5388 for (i = 0; i < 3; i++) {
5390 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5395 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5396 *ptr++ = SSID_rid.ssids[i].ssid[j];
5400 data->readlen = strlen( data->rbuffer );
5404 static int proc_APList_open( struct inode *inode, struct file *file ) {
5405 struct proc_data *data;
5406 struct net_device *dev = PDE_DATA(inode);
5407 struct airo_info *ai = dev->ml_priv;
5410 APListRid *APList_rid = &ai->APList;
5412 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5414 data = file->private_data;
5415 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5416 kfree (file->private_data);
5420 data->maxwritelen = 4*6*3;
5421 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5422 kfree (data->rbuffer);
5423 kfree (file->private_data);
5426 data->on_close = proc_APList_on_close;
5428 ptr = data->rbuffer;
5429 for( i = 0; i < 4; i++ ) {
5430 // We end when we find a zero MAC
5431 if ( !*(int*)APList_rid->ap[i] &&
5432 !*(int*)&APList_rid->ap[i][2]) break;
5433 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5435 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5438 data->readlen = strlen( data->rbuffer );
5442 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5443 struct proc_data *data;
5444 struct net_device *dev = PDE_DATA(inode);
5445 struct airo_info *ai = dev->ml_priv;
5447 BSSListRid BSSList_rid;
5449 /* If doLoseSync is not 1, we won't do a Lose Sync */
5450 int doLoseSync = -1;
5452 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5454 data = file->private_data;
5455 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5456 kfree (file->private_data);
5460 data->maxwritelen = 0;
5461 data->wbuffer = NULL;
5462 data->on_close = NULL;
5464 if (file->f_mode & FMODE_WRITE) {
5465 if (!(file->f_mode & FMODE_READ)) {
5469 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5470 memset(&cmd, 0, sizeof(cmd));
5471 cmd.cmd=CMD_LISTBSS;
5472 if (down_interruptible(&ai->sem))
5473 return -ERESTARTSYS;
5474 issuecommand(ai, &cmd, &rsp);
5481 ptr = data->rbuffer;
5482 /* There is a race condition here if there are concurrent opens.
5483 Since it is a rare condition, we'll just live with it, otherwise
5484 we have to add a spin lock... */
5485 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5486 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5487 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5489 (int)BSSList_rid.ssidLen,
5491 le16_to_cpu(BSSList_rid.dBm));
5492 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5493 le16_to_cpu(BSSList_rid.dsChannel),
5494 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5495 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5496 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5497 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5498 rc = readBSSListRid(ai, 0, &BSSList_rid);
5501 data->readlen = strlen( data->rbuffer );
5505 static int proc_close( struct inode *inode, struct file *file )
5507 struct proc_data *data = file->private_data;
5509 if (data->on_close != NULL)
5510 data->on_close(inode, file);
5511 kfree(data->rbuffer);
5512 kfree(data->wbuffer);
5517 /* Since the card doesn't automatically switch to the right WEP mode,
5518 we will make it do it. If the card isn't associated, every secs we
5519 will switch WEP modes to see if that will help. If the card is
5520 associated we will check every minute to see if anything has
5522 static void timer_func( struct net_device *dev ) {
5523 struct airo_info *apriv = dev->ml_priv;
5525 /* We don't have a link so try changing the authtype */
5526 readConfigRid(apriv, 0);
5527 disable_MAC(apriv, 0);
5528 switch(apriv->config.authType) {
5530 /* So drop to OPEN */
5531 apriv->config.authType = AUTH_OPEN;
5533 case AUTH_SHAREDKEY:
5534 if (apriv->keyindex < auto_wep) {
5535 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5536 apriv->config.authType = AUTH_SHAREDKEY;
5539 /* Drop to ENCRYPT */
5540 apriv->keyindex = 0;
5541 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5542 apriv->config.authType = AUTH_ENCRYPT;
5545 default: /* We'll escalate to SHAREDKEY */
5546 apriv->config.authType = AUTH_SHAREDKEY;
5548 set_bit (FLAG_COMMIT, &apriv->flags);
5549 writeConfigRid(apriv, 0);
5550 enable_MAC(apriv, 0);
5553 /* Schedule check to see if the change worked */
5554 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5555 apriv->expires = RUN_AT(HZ*3);
5559 static int airo_pci_probe(struct pci_dev *pdev,
5560 const struct pci_device_id *pent)
5562 struct net_device *dev;
5564 if (pci_enable_device(pdev))
5566 pci_set_master(pdev);
5568 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5569 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5571 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5573 pci_disable_device(pdev);
5577 pci_set_drvdata(pdev, dev);
5581 static void airo_pci_remove(struct pci_dev *pdev)
5583 struct net_device *dev = pci_get_drvdata(pdev);
5585 airo_print_info(dev->name, "Unregistering...");
5586 stop_airo_card(dev, 1);
5587 pci_disable_device(pdev);
5590 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5592 struct net_device *dev = pci_get_drvdata(pdev);
5593 struct airo_info *ai = dev->ml_priv;
5598 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5601 readSsidRid(ai, ai->SSID);
5602 memset(&cmd, 0, sizeof(cmd));
5603 /* the lock will be released at the end of the resume callback */
5604 if (down_interruptible(&ai->sem))
5607 netif_device_detach(dev);
5609 cmd.cmd = HOSTSLEEP;
5610 issuecommand(ai, &cmd, &rsp);
5612 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5613 pci_save_state(pdev);
5614 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5618 static int airo_pci_resume(struct pci_dev *pdev)
5620 struct net_device *dev = pci_get_drvdata(pdev);
5621 struct airo_info *ai = dev->ml_priv;
5622 pci_power_t prev_state = pdev->current_state;
5624 pci_set_power_state(pdev, PCI_D0);
5625 pci_restore_state(pdev);
5626 pci_enable_wake(pdev, PCI_D0, 0);
5628 if (prev_state != PCI_D1) {
5630 mpi_init_descriptors(ai);
5631 setup_card(ai, dev->dev_addr, 0);
5632 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5633 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5635 OUT4500(ai, EVACK, EV_AWAKEN);
5636 OUT4500(ai, EVACK, EV_AWAKEN);
5640 set_bit(FLAG_COMMIT, &ai->flags);
5644 writeSsidRid(ai, ai->SSID, 0);
5648 writeAPListRid(ai, &ai->APList, 0);
5649 writeConfigRid(ai, 0);
5651 ai->power = PMSG_ON;
5652 netif_device_attach(dev);
5653 netif_wake_queue(dev);
5654 enable_interrupts(ai);
5660 static int __init airo_init_module( void )
5664 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5665 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5666 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5669 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5672 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5674 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5675 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5676 "io=0x%x", irq[i], io[i] );
5677 if (init_airo_card( irq[i], io[i], 0, NULL ))
5682 airo_print_info("", "Probing for PCI adapters");
5683 i = pci_register_driver(&airo_driver);
5684 airo_print_info("", "Finished probing for PCI adapters");
5687 remove_proc_entry("driver/aironet", NULL);
5692 /* Always exit with success, as we are a library module
5693 * as well as a driver module
5698 static void __exit airo_cleanup_module( void )
5700 struct airo_info *ai;
5701 while(!list_empty(&airo_devices)) {
5702 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5703 airo_print_info(ai->dev->name, "Unregistering...");
5704 stop_airo_card(ai->dev, 1);
5707 pci_unregister_driver(&airo_driver);
5709 remove_proc_entry("driver/aironet", NULL);
5713 * Initial Wireless Extension code for Aironet driver by :
5714 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5715 * Conversion to new driver API by :
5716 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5717 * Javier also did a good amount of work here, adding some new extensions
5718 * and fixing my code. Let's just say that without him this code just
5719 * would not work at all... - Jean II
5722 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5727 return (0x100 - rssi_rid[rssi].rssidBm);
5730 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5737 for (i = 0; i < 256; i++)
5738 if (rssi_rid[i].rssidBm == dbm)
5739 return rssi_rid[i].rssipct;
5745 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5750 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5753 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5756 sq = le16_to_cpu(status_rid->signalQuality);
5757 if (memcmp(cap_rid->prodName, "350", 3))
5761 quality = 0x20 - sq;
5768 quality = 0xb0 - sq;
5772 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5773 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5775 /*------------------------------------------------------------------*/
5777 * Wireless Handler : get protocol name
5779 static int airo_get_name(struct net_device *dev,
5780 struct iw_request_info *info,
5784 strcpy(cwrq, "IEEE 802.11-DS");
5788 /*------------------------------------------------------------------*/
5790 * Wireless Handler : set frequency
5792 static int airo_set_freq(struct net_device *dev,
5793 struct iw_request_info *info,
5794 struct iw_freq *fwrq,
5797 struct airo_info *local = dev->ml_priv;
5798 int rc = -EINPROGRESS; /* Call commit handler */
5800 /* If setting by frequency, convert to a channel */
5802 int f = fwrq->m / 100000;
5804 /* Hack to fall through... */
5806 fwrq->m = ieee80211_frequency_to_channel(f);
5808 /* Setting by channel number */
5809 if((fwrq->m > 1000) || (fwrq->e > 0))
5812 int channel = fwrq->m;
5813 /* We should do a better check than that,
5814 * based on the card capability !!! */
5815 if((channel < 1) || (channel > 14)) {
5816 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5820 readConfigRid(local, 1);
5821 /* Yes ! We can set it !!! */
5822 local->config.channelSet = cpu_to_le16(channel);
5823 set_bit (FLAG_COMMIT, &local->flags);
5829 /*------------------------------------------------------------------*/
5831 * Wireless Handler : get frequency
5833 static int airo_get_freq(struct net_device *dev,
5834 struct iw_request_info *info,
5835 struct iw_freq *fwrq,
5838 struct airo_info *local = dev->ml_priv;
5839 StatusRid status_rid; /* Card status info */
5842 readConfigRid(local, 1);
5843 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5844 status_rid.channel = local->config.channelSet;
5846 readStatusRid(local, &status_rid, 1);
5848 ch = le16_to_cpu(status_rid.channel);
5849 if((ch > 0) && (ch < 15)) {
5851 ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5861 /*------------------------------------------------------------------*/
5863 * Wireless Handler : set ESSID
5865 static int airo_set_essid(struct net_device *dev,
5866 struct iw_request_info *info,
5867 struct iw_point *dwrq,
5870 struct airo_info *local = dev->ml_priv;
5871 SsidRid SSID_rid; /* SSIDs */
5873 /* Reload the list of current SSID */
5874 readSsidRid(local, &SSID_rid);
5876 /* Check if we asked for `any' */
5877 if (dwrq->flags == 0) {
5878 /* Just send an empty SSID list */
5879 memset(&SSID_rid, 0, sizeof(SSID_rid));
5881 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5883 /* Check the size of the string */
5884 if (dwrq->length > IW_ESSID_MAX_SIZE)
5887 /* Check if index is valid */
5888 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5892 memset(SSID_rid.ssids[index].ssid, 0,
5893 sizeof(SSID_rid.ssids[index].ssid));
5894 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5895 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5897 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5898 /* Write it to the card */
5899 disable_MAC(local, 1);
5900 writeSsidRid(local, &SSID_rid, 1);
5901 enable_MAC(local, 1);
5906 /*------------------------------------------------------------------*/
5908 * Wireless Handler : get ESSID
5910 static int airo_get_essid(struct net_device *dev,
5911 struct iw_request_info *info,
5912 struct iw_point *dwrq,
5915 struct airo_info *local = dev->ml_priv;
5916 StatusRid status_rid; /* Card status info */
5918 readStatusRid(local, &status_rid, 1);
5920 /* Note : if dwrq->flags != 0, we should
5921 * get the relevant SSID from the SSID list... */
5923 /* Get the current SSID */
5924 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5925 /* If none, we may want to get the one that was set */
5928 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5929 dwrq->flags = 1; /* active */
5934 /*------------------------------------------------------------------*/
5936 * Wireless Handler : set AP address
5938 static int airo_set_wap(struct net_device *dev,
5939 struct iw_request_info *info,
5940 struct sockaddr *awrq,
5943 struct airo_info *local = dev->ml_priv;
5946 APListRid *APList_rid = &local->APList;
5948 if (awrq->sa_family != ARPHRD_ETHER)
5950 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5951 is_zero_ether_addr(awrq->sa_data)) {
5952 memset(&cmd, 0, sizeof(cmd));
5953 cmd.cmd=CMD_LOSE_SYNC;
5954 if (down_interruptible(&local->sem))
5955 return -ERESTARTSYS;
5956 issuecommand(local, &cmd, &rsp);
5959 memset(APList_rid, 0, sizeof(*APList_rid));
5960 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5961 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5962 disable_MAC(local, 1);
5963 writeAPListRid(local, APList_rid, 1);
5964 enable_MAC(local, 1);
5969 /*------------------------------------------------------------------*/
5971 * Wireless Handler : get AP address
5973 static int airo_get_wap(struct net_device *dev,
5974 struct iw_request_info *info,
5975 struct sockaddr *awrq,
5978 struct airo_info *local = dev->ml_priv;
5979 StatusRid status_rid; /* Card status info */
5981 readStatusRid(local, &status_rid, 1);
5983 /* Tentative. This seems to work, wow, I'm lucky !!! */
5984 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5985 awrq->sa_family = ARPHRD_ETHER;
5990 /*------------------------------------------------------------------*/
5992 * Wireless Handler : set Nickname
5994 static int airo_set_nick(struct net_device *dev,
5995 struct iw_request_info *info,
5996 struct iw_point *dwrq,
5999 struct airo_info *local = dev->ml_priv;
6001 /* Check the size of the string */
6002 if(dwrq->length > 16) {
6005 readConfigRid(local, 1);
6006 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6007 memcpy(local->config.nodeName, extra, dwrq->length);
6008 set_bit (FLAG_COMMIT, &local->flags);
6010 return -EINPROGRESS; /* Call commit handler */
6013 /*------------------------------------------------------------------*/
6015 * Wireless Handler : get Nickname
6017 static int airo_get_nick(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct iw_point *dwrq,
6022 struct airo_info *local = dev->ml_priv;
6024 readConfigRid(local, 1);
6025 strncpy(extra, local->config.nodeName, 16);
6027 dwrq->length = strlen(extra);
6032 /*------------------------------------------------------------------*/
6034 * Wireless Handler : set Bit-Rate
6036 static int airo_set_rate(struct net_device *dev,
6037 struct iw_request_info *info,
6038 struct iw_param *vwrq,
6041 struct airo_info *local = dev->ml_priv;
6042 CapabilityRid cap_rid; /* Card capability info */
6046 /* First : get a valid bit rate value */
6047 readCapabilityRid(local, &cap_rid, 1);
6049 /* Which type of value ? */
6050 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6051 /* Setting by rate index */
6052 /* Find value in the magic rate table */
6053 brate = cap_rid.supportedRates[vwrq->value];
6055 /* Setting by frequency value */
6056 u8 normvalue = (u8) (vwrq->value/500000);
6058 /* Check if rate is valid */
6059 for(i = 0 ; i < 8 ; i++) {
6060 if(normvalue == cap_rid.supportedRates[i]) {
6066 /* -1 designed the max rate (mostly auto mode) */
6067 if(vwrq->value == -1) {
6068 /* Get the highest available rate */
6069 for(i = 0 ; i < 8 ; i++) {
6070 if(cap_rid.supportedRates[i] == 0)
6074 brate = cap_rid.supportedRates[i - 1];
6076 /* Check that it is valid */
6081 readConfigRid(local, 1);
6082 /* Now, check if we want a fixed or auto value */
6083 if(vwrq->fixed == 0) {
6084 /* Fill all the rates up to this max rate */
6085 memset(local->config.rates, 0, 8);
6086 for(i = 0 ; i < 8 ; i++) {
6087 local->config.rates[i] = cap_rid.supportedRates[i];
6088 if(local->config.rates[i] == brate)
6093 /* One rate, fixed */
6094 memset(local->config.rates, 0, 8);
6095 local->config.rates[0] = brate;
6097 set_bit (FLAG_COMMIT, &local->flags);
6099 return -EINPROGRESS; /* Call commit handler */
6102 /*------------------------------------------------------------------*/
6104 * Wireless Handler : get Bit-Rate
6106 static int airo_get_rate(struct net_device *dev,
6107 struct iw_request_info *info,
6108 struct iw_param *vwrq,
6111 struct airo_info *local = dev->ml_priv;
6112 StatusRid status_rid; /* Card status info */
6114 readStatusRid(local, &status_rid, 1);
6116 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6117 /* If more than one rate, set auto */
6118 readConfigRid(local, 1);
6119 vwrq->fixed = (local->config.rates[1] == 0);
6124 /*------------------------------------------------------------------*/
6126 * Wireless Handler : set RTS threshold
6128 static int airo_set_rts(struct net_device *dev,
6129 struct iw_request_info *info,
6130 struct iw_param *vwrq,
6133 struct airo_info *local = dev->ml_priv;
6134 int rthr = vwrq->value;
6137 rthr = AIRO_DEF_MTU;
6138 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6141 readConfigRid(local, 1);
6142 local->config.rtsThres = cpu_to_le16(rthr);
6143 set_bit (FLAG_COMMIT, &local->flags);
6145 return -EINPROGRESS; /* Call commit handler */
6148 /*------------------------------------------------------------------*/
6150 * Wireless Handler : get RTS threshold
6152 static int airo_get_rts(struct net_device *dev,
6153 struct iw_request_info *info,
6154 struct iw_param *vwrq,
6157 struct airo_info *local = dev->ml_priv;
6159 readConfigRid(local, 1);
6160 vwrq->value = le16_to_cpu(local->config.rtsThres);
6161 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6167 /*------------------------------------------------------------------*/
6169 * Wireless Handler : set Fragmentation threshold
6171 static int airo_set_frag(struct net_device *dev,
6172 struct iw_request_info *info,
6173 struct iw_param *vwrq,
6176 struct airo_info *local = dev->ml_priv;
6177 int fthr = vwrq->value;
6180 fthr = AIRO_DEF_MTU;
6181 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6184 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6185 readConfigRid(local, 1);
6186 local->config.fragThresh = cpu_to_le16(fthr);
6187 set_bit (FLAG_COMMIT, &local->flags);
6189 return -EINPROGRESS; /* Call commit handler */
6192 /*------------------------------------------------------------------*/
6194 * Wireless Handler : get Fragmentation threshold
6196 static int airo_get_frag(struct net_device *dev,
6197 struct iw_request_info *info,
6198 struct iw_param *vwrq,
6201 struct airo_info *local = dev->ml_priv;
6203 readConfigRid(local, 1);
6204 vwrq->value = le16_to_cpu(local->config.fragThresh);
6205 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6211 /*------------------------------------------------------------------*/
6213 * Wireless Handler : set Mode of Operation
6215 static int airo_set_mode(struct net_device *dev,
6216 struct iw_request_info *info,
6220 struct airo_info *local = dev->ml_priv;
6223 readConfigRid(local, 1);
6224 if (sniffing_mode(local))
6229 local->config.opmode &= ~MODE_CFG_MASK;
6230 local->config.opmode |= MODE_STA_IBSS;
6231 local->config.rmode &= ~RXMODE_FULL_MASK;
6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6236 local->config.opmode &= ~MODE_CFG_MASK;
6237 local->config.opmode |= MODE_STA_ESS;
6238 local->config.rmode &= ~RXMODE_FULL_MASK;
6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6242 case IW_MODE_MASTER:
6243 local->config.opmode &= ~MODE_CFG_MASK;
6244 local->config.opmode |= MODE_AP;
6245 local->config.rmode &= ~RXMODE_FULL_MASK;
6246 local->config.scanMode = SCANMODE_ACTIVE;
6247 clear_bit (FLAG_802_11, &local->flags);
6249 case IW_MODE_REPEAT:
6250 local->config.opmode &= ~MODE_CFG_MASK;
6251 local->config.opmode |= MODE_AP_RPTR;
6252 local->config.rmode &= ~RXMODE_FULL_MASK;
6253 local->config.scanMode = SCANMODE_ACTIVE;
6254 clear_bit (FLAG_802_11, &local->flags);
6256 case IW_MODE_MONITOR:
6257 local->config.opmode &= ~MODE_CFG_MASK;
6258 local->config.opmode |= MODE_STA_ESS;
6259 local->config.rmode &= ~RXMODE_FULL_MASK;
6260 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6261 local->config.scanMode = SCANMODE_PASSIVE;
6262 set_bit (FLAG_802_11, &local->flags);
6268 set_bit (FLAG_RESET, &local->flags);
6269 set_bit (FLAG_COMMIT, &local->flags);
6271 return -EINPROGRESS; /* Call commit handler */
6274 /*------------------------------------------------------------------*/
6276 * Wireless Handler : get Mode of Operation
6278 static int airo_get_mode(struct net_device *dev,
6279 struct iw_request_info *info,
6283 struct airo_info *local = dev->ml_priv;
6285 readConfigRid(local, 1);
6286 /* If not managed, assume it's ad-hoc */
6287 switch (local->config.opmode & MODE_CFG_MASK) {
6289 *uwrq = IW_MODE_INFRA;
6292 *uwrq = IW_MODE_MASTER;
6295 *uwrq = IW_MODE_REPEAT;
6298 *uwrq = IW_MODE_ADHOC;
6304 static inline int valid_index(struct airo_info *ai, int index)
6306 return (index >= 0) && (index <= ai->max_wep_idx);
6309 /*------------------------------------------------------------------*/
6311 * Wireless Handler : set Encryption Key
6313 static int airo_set_encode(struct net_device *dev,
6314 struct iw_request_info *info,
6315 struct iw_point *dwrq,
6318 struct airo_info *local = dev->ml_priv;
6319 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6320 __le16 currentAuthType = local->config.authType;
6323 if (!local->wep_capable)
6326 readConfigRid(local, 1);
6328 /* Basic checking: do we have a key to set ?
6329 * Note : with the new API, it's impossible to get a NULL pointer.
6330 * Therefore, we need to check a key size == 0 instead.
6331 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6332 * when no key is present (only change flags), but older versions
6333 * don't do it. - Jean II */
6334 if (dwrq->length > 0) {
6336 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6339 /* Check the size of the key */
6340 if (dwrq->length > MAX_KEY_SIZE) {
6344 current_index = get_wep_tx_idx(local);
6345 if (current_index < 0)
6348 /* Check the index (none -> use current) */
6349 if (!valid_index(local, index))
6350 index = current_index;
6352 /* Set the length */
6353 if (dwrq->length > MIN_KEY_SIZE)
6354 key.len = MAX_KEY_SIZE;
6356 key.len = MIN_KEY_SIZE;
6357 /* Check if the key is not marked as invalid */
6358 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6360 memset(key.key, 0, MAX_KEY_SIZE);
6361 /* Copy the key in the driver */
6362 memcpy(key.key, extra, dwrq->length);
6363 /* Send the key to the card */
6364 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6366 airo_print_err(local->dev->name, "failed to set"
6367 " WEP key at index %d: %d.",
6372 /* WE specify that if a valid key is set, encryption
6373 * should be enabled (user may turn it off later)
6374 * This is also how "iwconfig ethX key on" works */
6375 if((index == current_index) && (key.len > 0) &&
6376 (local->config.authType == AUTH_OPEN))
6377 set_auth_type(local, AUTH_ENCRYPT);
6379 /* Do we want to just set the transmit key index ? */
6380 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6381 if (valid_index(local, index)) {
6382 rc = set_wep_tx_idx(local, index, perm, 1);
6384 airo_print_err(local->dev->name, "failed to set"
6385 " WEP transmit index to %d: %d.",
6390 /* Don't complain if only change the mode */
6391 if (!(dwrq->flags & IW_ENCODE_MODE))
6395 /* Read the flags */
6396 if (dwrq->flags & IW_ENCODE_DISABLED)
6397 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6398 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6399 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6400 if (dwrq->flags & IW_ENCODE_OPEN)
6401 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6402 /* Commit the changes to flags if needed */
6403 if (local->config.authType != currentAuthType)
6404 set_bit (FLAG_COMMIT, &local->flags);
6405 return -EINPROGRESS; /* Call commit handler */
6408 /*------------------------------------------------------------------*/
6410 * Wireless Handler : get Encryption Key
6412 static int airo_get_encode(struct net_device *dev,
6413 struct iw_request_info *info,
6414 struct iw_point *dwrq,
6417 struct airo_info *local = dev->ml_priv;
6418 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6422 if (!local->wep_capable)
6425 readConfigRid(local, 1);
6427 /* Check encryption mode */
6428 switch(local->config.authType) {
6430 dwrq->flags = IW_ENCODE_OPEN;
6432 case AUTH_SHAREDKEY:
6433 dwrq->flags = IW_ENCODE_RESTRICTED;
6437 dwrq->flags = IW_ENCODE_DISABLED;
6440 /* We can't return the key, so set the proper flag and return zero */
6441 dwrq->flags |= IW_ENCODE_NOKEY;
6442 memset(extra, 0, 16);
6444 /* Which key do we want ? -1 -> tx index */
6445 if (!valid_index(local, index)) {
6446 index = get_wep_tx_idx(local);
6450 dwrq->flags |= index + 1;
6452 /* Copy the key to the user buffer */
6453 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6454 if (wep_key_len < 0) {
6457 dwrq->length = wep_key_len;
6458 memcpy(extra, buf, dwrq->length);
6464 /*------------------------------------------------------------------*/
6466 * Wireless Handler : set extended Encryption parameters
6468 static int airo_set_encodeext(struct net_device *dev,
6469 struct iw_request_info *info,
6470 union iwreq_data *wrqu,
6473 struct airo_info *local = dev->ml_priv;
6474 struct iw_point *encoding = &wrqu->encoding;
6475 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6476 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6477 __le16 currentAuthType = local->config.authType;
6478 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6481 if (!local->wep_capable)
6484 readConfigRid(local, 1);
6486 /* Determine and validate the key index */
6487 idx = encoding->flags & IW_ENCODE_INDEX;
6489 if (!valid_index(local, idx - 1))
6493 idx = get_wep_tx_idx(local);
6498 if (encoding->flags & IW_ENCODE_DISABLED)
6499 alg = IW_ENCODE_ALG_NONE;
6501 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6502 /* Only set transmit key index here, actual
6503 * key is set below if needed.
6505 rc = set_wep_tx_idx(local, idx, perm, 1);
6507 airo_print_err(local->dev->name, "failed to set "
6508 "WEP transmit index to %d: %d.",
6512 set_key = ext->key_len > 0 ? 1 : 0;
6516 /* Set the requested key first */
6517 memset(key.key, 0, MAX_KEY_SIZE);
6519 case IW_ENCODE_ALG_NONE:
6522 case IW_ENCODE_ALG_WEP:
6523 if (ext->key_len > MIN_KEY_SIZE) {
6524 key.len = MAX_KEY_SIZE;
6525 } else if (ext->key_len > 0) {
6526 key.len = MIN_KEY_SIZE;
6530 key_len = min (ext->key_len, key.len);
6531 memcpy(key.key, ext->key, key_len);
6537 rc = set_wep_tx_idx(local, idx, perm, 1);
6539 airo_print_err(local->dev->name,
6540 "failed to set WEP transmit index to %d: %d.",
6545 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6547 airo_print_err(local->dev->name,
6548 "failed to set WEP key at index %d: %d.",
6555 /* Read the flags */
6556 if (encoding->flags & IW_ENCODE_DISABLED)
6557 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6558 if(encoding->flags & IW_ENCODE_RESTRICTED)
6559 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6560 if (encoding->flags & IW_ENCODE_OPEN)
6561 set_auth_type(local, AUTH_ENCRYPT);
6562 /* Commit the changes to flags if needed */
6563 if (local->config.authType != currentAuthType)
6564 set_bit (FLAG_COMMIT, &local->flags);
6566 return -EINPROGRESS;
6570 /*------------------------------------------------------------------*/
6572 * Wireless Handler : get extended Encryption parameters
6574 static int airo_get_encodeext(struct net_device *dev,
6575 struct iw_request_info *info,
6576 union iwreq_data *wrqu,
6579 struct airo_info *local = dev->ml_priv;
6580 struct iw_point *encoding = &wrqu->encoding;
6581 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6582 int idx, max_key_len, wep_key_len;
6585 if (!local->wep_capable)
6588 readConfigRid(local, 1);
6590 max_key_len = encoding->length - sizeof(*ext);
6591 if (max_key_len < 0)
6594 idx = encoding->flags & IW_ENCODE_INDEX;
6596 if (!valid_index(local, idx - 1))
6600 idx = get_wep_tx_idx(local);
6605 encoding->flags = idx + 1;
6606 memset(ext, 0, sizeof(*ext));
6608 /* Check encryption mode */
6609 switch(local->config.authType) {
6611 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6613 case AUTH_SHAREDKEY:
6614 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6618 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6621 /* We can't return the key, so set the proper flag and return zero */
6622 encoding->flags |= IW_ENCODE_NOKEY;
6623 memset(extra, 0, 16);
6625 /* Copy the key to the user buffer */
6626 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6627 if (wep_key_len < 0) {
6630 ext->key_len = wep_key_len;
6631 memcpy(extra, buf, ext->key_len);
6638 /*------------------------------------------------------------------*/
6640 * Wireless Handler : set extended authentication parameters
6642 static int airo_set_auth(struct net_device *dev,
6643 struct iw_request_info *info,
6644 union iwreq_data *wrqu, char *extra)
6646 struct airo_info *local = dev->ml_priv;
6647 struct iw_param *param = &wrqu->param;
6648 __le16 currentAuthType = local->config.authType;
6650 switch (param->flags & IW_AUTH_INDEX) {
6651 case IW_AUTH_WPA_VERSION:
6652 case IW_AUTH_CIPHER_PAIRWISE:
6653 case IW_AUTH_CIPHER_GROUP:
6654 case IW_AUTH_KEY_MGMT:
6655 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6656 case IW_AUTH_PRIVACY_INVOKED:
6658 * airo does not use these parameters
6662 case IW_AUTH_DROP_UNENCRYPTED:
6664 /* Only change auth type if unencrypted */
6665 if (currentAuthType == AUTH_OPEN)
6666 set_auth_type(local, AUTH_ENCRYPT);
6668 set_auth_type(local, AUTH_OPEN);
6671 /* Commit the changes to flags if needed */
6672 if (local->config.authType != currentAuthType)
6673 set_bit (FLAG_COMMIT, &local->flags);
6676 case IW_AUTH_80211_AUTH_ALG: {
6677 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6678 set_auth_type(local, AUTH_SHAREDKEY);
6679 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6680 /* We don't know here if WEP open system or
6681 * unencrypted mode was requested - so use the
6682 * last mode (of these two) used last time
6684 set_auth_type(local, local->last_auth);
6688 /* Commit the changes to flags if needed */
6689 if (local->config.authType != currentAuthType)
6690 set_bit (FLAG_COMMIT, &local->flags);
6694 case IW_AUTH_WPA_ENABLED:
6695 /* Silently accept disable of WPA */
6696 if (param->value > 0)
6703 return -EINPROGRESS;
6707 /*------------------------------------------------------------------*/
6709 * Wireless Handler : get extended authentication parameters
6711 static int airo_get_auth(struct net_device *dev,
6712 struct iw_request_info *info,
6713 union iwreq_data *wrqu, char *extra)
6715 struct airo_info *local = dev->ml_priv;
6716 struct iw_param *param = &wrqu->param;
6717 __le16 currentAuthType = local->config.authType;
6719 switch (param->flags & IW_AUTH_INDEX) {
6720 case IW_AUTH_DROP_UNENCRYPTED:
6721 switch (currentAuthType) {
6722 case AUTH_SHAREDKEY:
6732 case IW_AUTH_80211_AUTH_ALG:
6733 switch (currentAuthType) {
6734 case AUTH_SHAREDKEY:
6735 param->value = IW_AUTH_ALG_SHARED_KEY;
6739 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6744 case IW_AUTH_WPA_ENABLED:
6755 /*------------------------------------------------------------------*/
6757 * Wireless Handler : set Tx-Power
6759 static int airo_set_txpow(struct net_device *dev,
6760 struct iw_request_info *info,
6761 struct iw_param *vwrq,
6764 struct airo_info *local = dev->ml_priv;
6765 CapabilityRid cap_rid; /* Card capability info */
6768 __le16 v = cpu_to_le16(vwrq->value);
6770 readCapabilityRid(local, &cap_rid, 1);
6772 if (vwrq->disabled) {
6773 set_bit (FLAG_RADIO_OFF, &local->flags);
6774 set_bit (FLAG_COMMIT, &local->flags);
6775 return -EINPROGRESS; /* Call commit handler */
6777 if (vwrq->flags != IW_TXPOW_MWATT) {
6780 clear_bit (FLAG_RADIO_OFF, &local->flags);
6781 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6782 if (v == cap_rid.txPowerLevels[i]) {
6783 readConfigRid(local, 1);
6784 local->config.txPower = v;
6785 set_bit (FLAG_COMMIT, &local->flags);
6786 rc = -EINPROGRESS; /* Call commit handler */
6792 /*------------------------------------------------------------------*/
6794 * Wireless Handler : get Tx-Power
6796 static int airo_get_txpow(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_param *vwrq,
6801 struct airo_info *local = dev->ml_priv;
6803 readConfigRid(local, 1);
6804 vwrq->value = le16_to_cpu(local->config.txPower);
6805 vwrq->fixed = 1; /* No power control */
6806 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6807 vwrq->flags = IW_TXPOW_MWATT;
6812 /*------------------------------------------------------------------*/
6814 * Wireless Handler : set Retry limits
6816 static int airo_set_retry(struct net_device *dev,
6817 struct iw_request_info *info,
6818 struct iw_param *vwrq,
6821 struct airo_info *local = dev->ml_priv;
6824 if(vwrq->disabled) {
6827 readConfigRid(local, 1);
6828 if(vwrq->flags & IW_RETRY_LIMIT) {
6829 __le16 v = cpu_to_le16(vwrq->value);
6830 if(vwrq->flags & IW_RETRY_LONG)
6831 local->config.longRetryLimit = v;
6832 else if (vwrq->flags & IW_RETRY_SHORT)
6833 local->config.shortRetryLimit = v;
6835 /* No modifier : set both */
6836 local->config.longRetryLimit = v;
6837 local->config.shortRetryLimit = v;
6839 set_bit (FLAG_COMMIT, &local->flags);
6840 rc = -EINPROGRESS; /* Call commit handler */
6842 if(vwrq->flags & IW_RETRY_LIFETIME) {
6843 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6844 set_bit (FLAG_COMMIT, &local->flags);
6845 rc = -EINPROGRESS; /* Call commit handler */
6850 /*------------------------------------------------------------------*/
6852 * Wireless Handler : get Retry limits
6854 static int airo_get_retry(struct net_device *dev,
6855 struct iw_request_info *info,
6856 struct iw_param *vwrq,
6859 struct airo_info *local = dev->ml_priv;
6861 vwrq->disabled = 0; /* Can't be disabled */
6863 readConfigRid(local, 1);
6864 /* Note : by default, display the min retry number */
6865 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6866 vwrq->flags = IW_RETRY_LIFETIME;
6867 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6868 } else if((vwrq->flags & IW_RETRY_LONG)) {
6869 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6870 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6872 vwrq->flags = IW_RETRY_LIMIT;
6873 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6874 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6875 vwrq->flags |= IW_RETRY_SHORT;
6881 /*------------------------------------------------------------------*/
6883 * Wireless Handler : get range info
6885 static int airo_get_range(struct net_device *dev,
6886 struct iw_request_info *info,
6887 struct iw_point *dwrq,
6890 struct airo_info *local = dev->ml_priv;
6891 struct iw_range *range = (struct iw_range *) extra;
6892 CapabilityRid cap_rid; /* Card capability info */
6896 readCapabilityRid(local, &cap_rid, 1);
6898 dwrq->length = sizeof(struct iw_range);
6899 memset(range, 0, sizeof(*range));
6900 range->min_nwid = 0x0000;
6901 range->max_nwid = 0x0000;
6902 range->num_channels = 14;
6903 /* Should be based on cap_rid.country to give only
6904 * what the current card support */
6906 for(i = 0; i < 14; i++) {
6907 range->freq[k].i = i + 1; /* List index */
6908 range->freq[k].m = 100000 *
6909 ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6910 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6912 range->num_frequency = k;
6914 range->sensitivity = 65535;
6916 /* Hum... Should put the right values there */
6918 range->max_qual.qual = 100; /* % */
6920 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6921 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6922 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6924 /* Experimental measurements - boundary 11/5.5 Mb/s */
6925 /* Note : with or without the (local->rssi), results
6926 * are somewhat different. - Jean II */
6928 range->avg_qual.qual = 50; /* % */
6929 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6931 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6932 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6934 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6936 for(i = 0 ; i < 8 ; i++) {
6937 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6938 if(range->bitrate[i] == 0)
6941 range->num_bitrates = i;
6943 /* Set an indication of the max TCP throughput
6944 * in bit/s that we can expect using this interface.
6945 * May be use for QoS stuff... Jean II */
6947 range->throughput = 5000 * 1000;
6949 range->throughput = 1500 * 1000;
6952 range->max_rts = AIRO_DEF_MTU;
6953 range->min_frag = 256;
6954 range->max_frag = AIRO_DEF_MTU;
6956 if(cap_rid.softCap & cpu_to_le16(2)) {
6958 range->encoding_size[0] = 5;
6960 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6961 range->encoding_size[1] = 13;
6962 range->num_encoding_sizes = 2;
6964 range->num_encoding_sizes = 1;
6965 range->max_encoding_tokens =
6966 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6968 range->num_encoding_sizes = 0;
6969 range->max_encoding_tokens = 0;
6972 range->max_pmp = 5000000; /* 5 secs */
6974 range->max_pmt = 65535 * 1024; /* ??? */
6975 range->pmp_flags = IW_POWER_PERIOD;
6976 range->pmt_flags = IW_POWER_TIMEOUT;
6977 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6979 /* Transmit Power - values are in mW */
6980 for(i = 0 ; i < 8 ; i++) {
6981 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6982 if(range->txpower[i] == 0)
6985 range->num_txpower = i;
6986 range->txpower_capa = IW_TXPOW_MWATT;
6987 range->we_version_source = 19;
6988 range->we_version_compiled = WIRELESS_EXT;
6989 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6990 range->retry_flags = IW_RETRY_LIMIT;
6991 range->r_time_flags = IW_RETRY_LIFETIME;
6992 range->min_retry = 1;
6993 range->max_retry = 65535;
6994 range->min_r_time = 1024;
6995 range->max_r_time = 65535 * 1024;
6997 /* Event capability (kernel + driver) */
6998 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6999 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7001 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7002 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7003 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7007 /*------------------------------------------------------------------*/
7009 * Wireless Handler : set Power Management
7011 static int airo_set_power(struct net_device *dev,
7012 struct iw_request_info *info,
7013 struct iw_param *vwrq,
7016 struct airo_info *local = dev->ml_priv;
7018 readConfigRid(local, 1);
7019 if (vwrq->disabled) {
7020 if (sniffing_mode(local))
7022 local->config.powerSaveMode = POWERSAVE_CAM;
7023 local->config.rmode &= ~RXMODE_MASK;
7024 local->config.rmode |= RXMODE_BC_MC_ADDR;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 return -EINPROGRESS; /* Call commit handler */
7028 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7029 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7030 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7033 local->config.fastListenInterval =
7034 local->config.listenInterval =
7035 cpu_to_le16((vwrq->value + 500) / 1024);
7036 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7037 set_bit (FLAG_COMMIT, &local->flags);
7039 switch (vwrq->flags & IW_POWER_MODE) {
7040 case IW_POWER_UNICAST_R:
7041 if (sniffing_mode(local))
7043 local->config.rmode &= ~RXMODE_MASK;
7044 local->config.rmode |= RXMODE_ADDR;
7045 set_bit (FLAG_COMMIT, &local->flags);
7047 case IW_POWER_ALL_R:
7048 if (sniffing_mode(local))
7050 local->config.rmode &= ~RXMODE_MASK;
7051 local->config.rmode |= RXMODE_BC_MC_ADDR;
7052 set_bit (FLAG_COMMIT, &local->flags);
7054 /* This is broken, fixme ;-) */
7059 // Note : we may want to factor local->need_commit here
7060 // Note2 : may also want to factor RXMODE_RFMON test
7061 return -EINPROGRESS; /* Call commit handler */
7064 /*------------------------------------------------------------------*/
7066 * Wireless Handler : get Power Management
7068 static int airo_get_power(struct net_device *dev,
7069 struct iw_request_info *info,
7070 struct iw_param *vwrq,
7073 struct airo_info *local = dev->ml_priv;
7076 readConfigRid(local, 1);
7077 mode = local->config.powerSaveMode;
7078 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7080 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7081 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7082 vwrq->flags = IW_POWER_TIMEOUT;
7084 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7085 vwrq->flags = IW_POWER_PERIOD;
7087 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7088 vwrq->flags |= IW_POWER_UNICAST_R;
7090 vwrq->flags |= IW_POWER_ALL_R;
7095 /*------------------------------------------------------------------*/
7097 * Wireless Handler : set Sensitivity
7099 static int airo_set_sens(struct net_device *dev,
7100 struct iw_request_info *info,
7101 struct iw_param *vwrq,
7104 struct airo_info *local = dev->ml_priv;
7106 readConfigRid(local, 1);
7107 local->config.rssiThreshold =
7108 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7109 set_bit (FLAG_COMMIT, &local->flags);
7111 return -EINPROGRESS; /* Call commit handler */
7114 /*------------------------------------------------------------------*/
7116 * Wireless Handler : get Sensitivity
7118 static int airo_get_sens(struct net_device *dev,
7119 struct iw_request_info *info,
7120 struct iw_param *vwrq,
7123 struct airo_info *local = dev->ml_priv;
7125 readConfigRid(local, 1);
7126 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7127 vwrq->disabled = (vwrq->value == 0);
7133 /*------------------------------------------------------------------*/
7135 * Wireless Handler : get AP List
7136 * Note : this is deprecated in favor of IWSCAN
7138 static int airo_get_aplist(struct net_device *dev,
7139 struct iw_request_info *info,
7140 struct iw_point *dwrq,
7143 struct airo_info *local = dev->ml_priv;
7144 struct sockaddr *address = (struct sockaddr *) extra;
7145 struct iw_quality *qual;
7148 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7150 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7154 for (i = 0; i < IW_MAX_AP; i++) {
7156 if (readBSSListRid(local, loseSync, &BSSList))
7159 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7160 address[i].sa_family = ARPHRD_ETHER;
7161 dBm = le16_to_cpu(BSSList.dBm);
7163 qual[i].level = 0x100 - dBm;
7164 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7165 qual[i].updated = IW_QUAL_QUAL_UPDATED
7166 | IW_QUAL_LEVEL_UPDATED
7169 qual[i].level = (dBm + 321) / 2;
7171 qual[i].updated = IW_QUAL_QUAL_INVALID
7172 | IW_QUAL_LEVEL_UPDATED
7175 qual[i].noise = local->wstats.qual.noise;
7176 if (BSSList.index == cpu_to_le16(0xffff))
7180 StatusRid status_rid; /* Card status info */
7181 readStatusRid(local, &status_rid, 1);
7183 i < min(IW_MAX_AP, 4) &&
7184 (status_rid.bssid[i][0]
7185 & status_rid.bssid[i][1]
7186 & status_rid.bssid[i][2]
7187 & status_rid.bssid[i][3]
7188 & status_rid.bssid[i][4]
7189 & status_rid.bssid[i][5])!=0xff &&
7190 (status_rid.bssid[i][0]
7191 | status_rid.bssid[i][1]
7192 | status_rid.bssid[i][2]
7193 | status_rid.bssid[i][3]
7194 | status_rid.bssid[i][4]
7195 | status_rid.bssid[i][5]);
7197 memcpy(address[i].sa_data,
7198 status_rid.bssid[i], ETH_ALEN);
7199 address[i].sa_family = ARPHRD_ETHER;
7202 dwrq->flags = 1; /* Should be define'd */
7203 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7204 sizeof(struct iw_quality) * i);
7212 /*------------------------------------------------------------------*/
7214 * Wireless Handler : Initiate Scan
7216 static int airo_set_scan(struct net_device *dev,
7217 struct iw_request_info *info,
7218 struct iw_point *dwrq,
7221 struct airo_info *ai = dev->ml_priv;
7225 APListRid APList_rid_empty;
7227 /* Note : you may have realised that, as this is a SET operation,
7228 * this is privileged and therefore a normal user can't
7230 * This is not an error, while the device perform scanning,
7231 * traffic doesn't flow, so it's a perfect DoS...
7233 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7235 if (down_interruptible(&ai->sem))
7236 return -ERESTARTSYS;
7238 /* If there's already a scan in progress, don't
7239 * trigger another one. */
7240 if (ai->scan_timeout > 0)
7243 /* Clear APList as it affects scan results */
7244 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7245 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7247 writeAPListRid(ai, &APList_rid_empty, 0);
7250 /* Initiate a scan command */
7251 ai->scan_timeout = RUN_AT(3*HZ);
7252 memset(&cmd, 0, sizeof(cmd));
7253 cmd.cmd=CMD_LISTBSS;
7254 issuecommand(ai, &cmd, &rsp);
7260 wake_up_interruptible(&ai->thr_wait);
7264 /*------------------------------------------------------------------*/
7266 * Translate scan data returned from the card to a card independent
7267 * format that the Wireless Tools will understand - Jean II
7269 static inline char *airo_translate_scan(struct net_device *dev,
7270 struct iw_request_info *info,
7275 struct airo_info *ai = dev->ml_priv;
7276 struct iw_event iwe; /* Temporary buffer */
7277 __le16 capabilities;
7278 char * current_val; /* For rates */
7283 /* First entry *MUST* be the AP MAC address */
7284 iwe.cmd = SIOCGIWAP;
7285 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7286 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7287 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7288 &iwe, IW_EV_ADDR_LEN);
7290 /* Other entries will be displayed in the order we give them */
7293 iwe.u.data.length = bss->ssidLen;
7294 if(iwe.u.data.length > 32)
7295 iwe.u.data.length = 32;
7296 iwe.cmd = SIOCGIWESSID;
7297 iwe.u.data.flags = 1;
7298 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7302 iwe.cmd = SIOCGIWMODE;
7303 capabilities = bss->cap;
7304 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7305 if(capabilities & CAP_ESS)
7306 iwe.u.mode = IW_MODE_MASTER;
7308 iwe.u.mode = IW_MODE_ADHOC;
7309 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7310 &iwe, IW_EV_UINT_LEN);
7314 iwe.cmd = SIOCGIWFREQ;
7315 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7316 iwe.u.freq.m = 100000 *
7317 ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7319 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7320 &iwe, IW_EV_FREQ_LEN);
7322 dBm = le16_to_cpu(bss->dBm);
7324 /* Add quality statistics */
7327 iwe.u.qual.level = 0x100 - dBm;
7328 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7329 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7330 | IW_QUAL_LEVEL_UPDATED
7333 iwe.u.qual.level = (dBm + 321) / 2;
7334 iwe.u.qual.qual = 0;
7335 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7336 | IW_QUAL_LEVEL_UPDATED
7339 iwe.u.qual.noise = ai->wstats.qual.noise;
7340 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7341 &iwe, IW_EV_QUAL_LEN);
7343 /* Add encryption capability */
7344 iwe.cmd = SIOCGIWENCODE;
7345 if(capabilities & CAP_PRIVACY)
7346 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7348 iwe.u.data.flags = IW_ENCODE_DISABLED;
7349 iwe.u.data.length = 0;
7350 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7353 /* Rate : stuffing multiple values in a single event require a bit
7354 * more of magic - Jean II */
7355 current_val = current_ev + iwe_stream_lcp_len(info);
7357 iwe.cmd = SIOCGIWRATE;
7358 /* Those two flags are ignored... */
7359 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7361 for(i = 0 ; i < 8 ; i++) {
7362 /* NULL terminated */
7363 if(bss->rates[i] == 0)
7365 /* Bit rate given in 500 kb/s units (+ 0x80) */
7366 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7367 /* Add new value to event */
7368 current_val = iwe_stream_add_value(info, current_ev,
7369 current_val, end_buf,
7370 &iwe, IW_EV_PARAM_LEN);
7372 /* Check if we added any event */
7373 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7374 current_ev = current_val;
7376 /* Beacon interval */
7377 buf = kmalloc(30, GFP_KERNEL);
7379 iwe.cmd = IWEVCUSTOM;
7380 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7381 iwe.u.data.length = strlen(buf);
7382 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7387 /* Put WPA/RSN Information Elements into the event stream */
7388 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7389 unsigned int num_null_ies = 0;
7390 u16 length = sizeof (bss->extra.iep);
7391 u8 *ie = (void *)&bss->extra.iep;
7393 while ((length >= 2) && (num_null_ies < 2)) {
7394 if (2 + ie[1] > length) {
7395 /* Invalid element, don't continue parsing IE */
7401 /* Two zero-length SSID elements
7402 * mean we're done parsing elements */
7407 case WLAN_EID_VENDOR_SPECIFIC:
7413 iwe.cmd = IWEVGENIE;
7414 /* 64 is an arbitrary cut-off */
7415 iwe.u.data.length = min(ie[1] + 2,
7417 current_ev = iwe_stream_add_point(
7424 iwe.cmd = IWEVGENIE;
7425 /* 64 is an arbitrary cut-off */
7426 iwe.u.data.length = min(ie[1] + 2, 64);
7427 current_ev = iwe_stream_add_point(
7428 info, current_ev, end_buf,
7436 length -= 2 + ie[1];
7443 /*------------------------------------------------------------------*/
7445 * Wireless Handler : Read Scan Results
7447 static int airo_get_scan(struct net_device *dev,
7448 struct iw_request_info *info,
7449 struct iw_point *dwrq,
7452 struct airo_info *ai = dev->ml_priv;
7453 BSSListElement *net;
7455 char *current_ev = extra;
7457 /* If a scan is in-progress, return -EAGAIN */
7458 if (ai->scan_timeout > 0)
7461 if (down_interruptible(&ai->sem))
7464 list_for_each_entry (net, &ai->network_list, list) {
7465 /* Translate to WE format this entry */
7466 current_ev = airo_translate_scan(dev, info, current_ev,
7467 extra + dwrq->length,
7470 /* Check if there is space for one more entry */
7471 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7472 /* Ask user space to try again with a bigger buffer */
7478 /* Length of data */
7479 dwrq->length = (current_ev - extra);
7480 dwrq->flags = 0; /* todo */
7487 /*------------------------------------------------------------------*/
7489 * Commit handler : called after a bunch of SET operations
7491 static int airo_config_commit(struct net_device *dev,
7492 struct iw_request_info *info, /* NULL */
7493 void *zwrq, /* NULL */
7494 char *extra) /* NULL */
7496 struct airo_info *local = dev->ml_priv;
7498 if (!test_bit (FLAG_COMMIT, &local->flags))
7501 /* Some of the "SET" function may have modified some of the
7502 * parameters. It's now time to commit them in the card */
7503 disable_MAC(local, 1);
7504 if (test_bit (FLAG_RESET, &local->flags)) {
7507 readSsidRid(local, &SSID_rid);
7508 if (test_bit(FLAG_MPI,&local->flags))
7509 setup_card(local, dev->dev_addr, 1 );
7511 reset_airo_card(dev);
7512 disable_MAC(local, 1);
7513 writeSsidRid(local, &SSID_rid, 1);
7514 writeAPListRid(local, &local->APList, 1);
7516 if (down_interruptible(&local->sem))
7517 return -ERESTARTSYS;
7518 writeConfigRid(local, 0);
7519 enable_MAC(local, 0);
7520 if (test_bit (FLAG_RESET, &local->flags))
7521 airo_set_promisc(local);
7528 /*------------------------------------------------------------------*/
7530 * Structures to export the Wireless Handlers
7533 static const struct iw_priv_args airo_private_args[] = {
7534 /*{ cmd, set_args, get_args, name } */
7535 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7536 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7537 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7538 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7541 static const iw_handler airo_handler[] =
7543 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7544 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7545 (iw_handler) NULL, /* SIOCSIWNWID */
7546 (iw_handler) NULL, /* SIOCGIWNWID */
7547 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7548 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7549 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7550 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7551 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7552 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7553 (iw_handler) NULL, /* SIOCSIWRANGE */
7554 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7555 (iw_handler) NULL, /* SIOCSIWPRIV */
7556 (iw_handler) NULL, /* SIOCGIWPRIV */
7557 (iw_handler) NULL, /* SIOCSIWSTATS */
7558 (iw_handler) NULL, /* SIOCGIWSTATS */
7559 iw_handler_set_spy, /* SIOCSIWSPY */
7560 iw_handler_get_spy, /* SIOCGIWSPY */
7561 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7562 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7563 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7564 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7565 (iw_handler) NULL, /* -- hole -- */
7566 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7567 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7568 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7569 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7570 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7571 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7572 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7573 (iw_handler) NULL, /* -- hole -- */
7574 (iw_handler) NULL, /* -- hole -- */
7575 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7576 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7577 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7578 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7579 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7580 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7581 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7582 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7583 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7584 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7585 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7586 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7587 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7588 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7589 (iw_handler) NULL, /* -- hole -- */
7590 (iw_handler) NULL, /* -- hole -- */
7591 (iw_handler) NULL, /* SIOCSIWGENIE */
7592 (iw_handler) NULL, /* SIOCGIWGENIE */
7593 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7594 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7595 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7596 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7597 (iw_handler) NULL, /* SIOCSIWPMKSA */
7600 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7601 * We want to force the use of the ioctl code, because those can't be
7602 * won't work the iw_handler code (because they simultaneously read
7603 * and write data and iw_handler can't do that).
7604 * Note that it's perfectly legal to read/write on a single ioctl command,
7605 * you just can't use iwpriv and need to force it via the ioctl handler.
7607 static const iw_handler airo_private_handler[] =
7609 NULL, /* SIOCIWFIRSTPRIV */
7612 static const struct iw_handler_def airo_handler_def =
7614 .num_standard = ARRAY_SIZE(airo_handler),
7615 .num_private = ARRAY_SIZE(airo_private_handler),
7616 .num_private_args = ARRAY_SIZE(airo_private_args),
7617 .standard = airo_handler,
7618 .private = airo_private_handler,
7619 .private_args = airo_private_args,
7620 .get_wireless_stats = airo_get_wireless_stats,
7624 * This defines the configuration part of the Wireless Extensions
7625 * Note : irq and spinlock protection will occur in the subroutines
7628 * o Check input value more carefully and fill correct values in range
7629 * o Test and shakeout the bugs (if any)
7633 * Javier Achirica did a great job of merging code from the unnamed CISCO
7634 * developer that added support for flashing the card.
7636 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7639 struct airo_info *ai = dev->ml_priv;
7641 if (ai->power.event)
7651 int val = AIROMAGIC;
7653 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7655 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7664 /* Get the command struct and hand it off for evaluation by
7665 * the proper subfunction
7669 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7674 /* Separate R/W functions bracket legality here
7676 if ( com.command == AIRORSWVERSION ) {
7677 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7682 else if ( com.command <= AIRORRID)
7683 rc = readrids(dev,&com);
7684 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7685 rc = writerids(dev,&com);
7686 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7687 rc = flashcard(dev,&com);
7689 rc = -EINVAL; /* Bad command in ioctl */
7692 #endif /* CISCO_EXT */
7694 // All other calls are currently unsupported
7702 * Get the Wireless stats out of the driver
7703 * Note : irq and spinlock protection will occur in the subroutines
7706 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7710 static void airo_read_wireless_stats(struct airo_info *local)
7712 StatusRid status_rid;
7714 CapabilityRid cap_rid;
7715 __le32 *vals = stats_rid.vals;
7717 /* Get stats out of the card */
7718 clear_bit(JOB_WSTATS, &local->jobs);
7719 if (local->power.event) {
7723 readCapabilityRid(local, &cap_rid, 0);
7724 readStatusRid(local, &status_rid, 0);
7725 readStatsRid(local, &stats_rid, RID_STATS, 0);
7729 local->wstats.status = le16_to_cpu(status_rid.mode);
7731 /* Signal quality and co */
7733 local->wstats.qual.level =
7734 airo_rssi_to_dbm(local->rssi,
7735 le16_to_cpu(status_rid.sigQuality));
7736 /* normalizedSignalStrength appears to be a percentage */
7737 local->wstats.qual.qual =
7738 le16_to_cpu(status_rid.normalizedSignalStrength);
7740 local->wstats.qual.level =
7741 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7742 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7744 if (le16_to_cpu(status_rid.len) >= 124) {
7745 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7746 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7748 local->wstats.qual.noise = 0;
7749 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7752 /* Packets discarded in the wireless adapter due to wireless
7753 * specific problems */
7754 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7755 le32_to_cpu(vals[57]) +
7756 le32_to_cpu(vals[58]); /* SSID Mismatch */
7757 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7758 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7759 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7760 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7761 le32_to_cpu(vals[32]);
7762 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7765 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7767 struct airo_info *local = dev->ml_priv;
7769 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7770 /* Get stats out of the card if available */
7771 if (down_trylock(&local->sem) != 0) {
7772 set_bit(JOB_WSTATS, &local->jobs);
7773 wake_up_interruptible(&local->thr_wait);
7775 airo_read_wireless_stats(local);
7778 return &local->wstats;
7783 * This just translates from driver IOCTL codes to the command codes to
7784 * feed to the radio's host interface. Things can be added/deleted
7785 * as needed. This represents the READ side of control I/O to
7788 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7789 unsigned short ridcode;
7790 unsigned char *iobuf;
7792 struct airo_info *ai = dev->ml_priv;
7794 if (test_bit(FLAG_FLASHING, &ai->flags))
7797 switch(comp->command)
7799 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7800 case AIROGCFG: ridcode = RID_CONFIG;
7801 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7802 disable_MAC (ai, 1);
7803 writeConfigRid (ai, 1);
7807 case AIROGSLIST: ridcode = RID_SSID; break;
7808 case AIROGVLIST: ridcode = RID_APLIST; break;
7809 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7810 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7811 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7812 /* Only super-user can read WEP keys */
7813 if (!capable(CAP_NET_ADMIN))
7816 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7817 /* Only super-user can read WEP keys */
7818 if (!capable(CAP_NET_ADMIN))
7821 case AIROGSTAT: ridcode = RID_STATUS; break;
7822 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7823 case AIROGSTATSC32: ridcode = RID_STATS; break;
7825 if (copy_to_user(comp->data, &ai->micstats,
7826 min((int)comp->len,(int)sizeof(ai->micstats))))
7829 case AIRORRID: ridcode = comp->ridnum; break;
7834 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7837 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7838 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7839 * then return it to the user
7840 * 9/22/2000 Honor user given length
7844 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7853 * Danger Will Robinson write the rids here
7856 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7857 struct airo_info *ai = dev->ml_priv;
7860 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7861 unsigned char *iobuf;
7863 /* Only super-user can write RIDs */
7864 if (!capable(CAP_NET_ADMIN))
7867 if (test_bit(FLAG_FLASHING, &ai->flags))
7871 writer = do_writerid;
7873 switch(comp->command)
7875 case AIROPSIDS: ridcode = RID_SSID; break;
7876 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7877 case AIROPAPLIST: ridcode = RID_APLIST; break;
7878 case AIROPCFG: ai->config.len = 0;
7879 clear_bit(FLAG_COMMIT, &ai->flags);
7880 ridcode = RID_CONFIG; break;
7881 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7882 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7883 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7884 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7886 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7887 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7889 /* this is not really a rid but a command given to the card
7893 if (enable_MAC(ai, 1) != 0)
7898 * Evidently this code in the airo driver does not get a symbol
7899 * as disable_MAC. it's probably so short the compiler does not gen one.
7905 /* This command merely clears the counts does not actually store any data
7906 * only reads rid. But as it changes the cards state, I put it in the
7907 * writerid routines.
7910 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7913 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7915 enabled = ai->micstats.enabled;
7916 memset(&ai->micstats,0,sizeof(ai->micstats));
7917 ai->micstats.enabled = enabled;
7919 if (copy_to_user(comp->data, iobuf,
7920 min((int)comp->len, (int)RIDSIZE))) {
7928 return -EOPNOTSUPP; /* Blarg! */
7930 if(comp->len > RIDSIZE)
7933 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7936 if (copy_from_user(iobuf,comp->data,comp->len)) {
7941 if (comp->command == AIROPCFG) {
7942 ConfigRid *cfg = (ConfigRid *)iobuf;
7944 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7945 cfg->opmode |= MODE_MIC;
7947 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7948 set_bit (FLAG_ADHOC, &ai->flags);
7950 clear_bit (FLAG_ADHOC, &ai->flags);
7953 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7961 /*****************************************************************************
7962 * Ancillary flash / mod functions much black magic lurkes here *
7963 *****************************************************************************
7967 * Flash command switch table
7970 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7973 /* Only super-user can modify flash */
7974 if (!capable(CAP_NET_ADMIN))
7977 switch(comp->command)
7980 return cmdreset((struct airo_info *)dev->ml_priv);
7983 if (!AIRO_FLASH(dev) &&
7984 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7986 return setflashmode((struct airo_info *)dev->ml_priv);
7988 case AIROFLSHGCHR: /* Get char from aux */
7989 if(comp->len != sizeof(int))
7991 if (copy_from_user(&z,comp->data,comp->len))
7993 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7995 case AIROFLSHPCHR: /* Send char to card. */
7996 if(comp->len != sizeof(int))
7998 if (copy_from_user(&z,comp->data,comp->len))
8000 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8002 case AIROFLPUTBUF: /* Send 32k to card */
8003 if (!AIRO_FLASH(dev))
8005 if(comp->len > FLASHSIZE)
8007 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8010 flashputbuf((struct airo_info *)dev->ml_priv);
8014 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8021 #define FLASH_COMMAND 0x7e7e
8025 * Disable MAC and do soft reset on
8029 static int cmdreset(struct airo_info *ai) {
8033 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8037 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8039 ssleep(1); /* WAS 600 12/7/00 */
8042 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8049 * Put the card in legendary flash
8053 static int setflashmode (struct airo_info *ai) {
8054 set_bit (FLAG_FLASHING, &ai->flags);
8056 OUT4500(ai, SWS0, FLASH_COMMAND);
8057 OUT4500(ai, SWS1, FLASH_COMMAND);
8059 OUT4500(ai, SWS0, FLASH_COMMAND);
8060 OUT4500(ai, COMMAND,0x10);
8062 OUT4500(ai, SWS2, FLASH_COMMAND);
8063 OUT4500(ai, SWS3, FLASH_COMMAND);
8064 OUT4500(ai, COMMAND,0);
8066 msleep(500); /* 500ms delay */
8069 clear_bit (FLAG_FLASHING, &ai->flags);
8070 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8076 /* Put character to SWS0 wait for dwelltime
8080 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8091 /* Wait for busy bit d15 to go false indicating buffer empty */
8092 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8097 /* timeout for busy clear wait */
8099 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8103 /* Port is clear now write byte and wait for it to echo back */
8105 OUT4500(ai,SWS0,byte);
8108 echo = IN4500(ai,SWS1);
8109 } while (dwelltime >= 0 && echo != byte);
8113 return (echo == byte) ? 0 : -EIO;
8117 * Get a character from the card matching matchbyte
8120 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8122 unsigned char rbyte=0;
8125 rchar = IN4500(ai,SWS1);
8127 if(dwelltime && !(0x8000 & rchar)){
8132 rbyte = 0xff & rchar;
8134 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8138 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8142 }while(dwelltime > 0);
8147 * Transfer 32k of firmware data from user buffer to our buffer and
8151 static int flashputbuf(struct airo_info *ai){
8155 if (test_bit(FLAG_MPI,&ai->flags))
8156 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8158 OUT4500(ai,AUXPAGE,0x100);
8159 OUT4500(ai,AUXOFF,0);
8161 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8162 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8165 OUT4500(ai,SWS0,0x8000);
8173 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8176 ssleep(1); /* Added 12/7/00 */
8177 clear_bit (FLAG_FLASHING, &ai->flags);
8178 if (test_bit(FLAG_MPI, &ai->flags)) {
8179 status = mpi_init_descriptors(ai);
8180 if (status != SUCCESS)
8183 status = setup_card(ai, dev->dev_addr, 1);
8185 if (!test_bit(FLAG_MPI,&ai->flags))
8186 for( i = 0; i < MAX_FIDS; i++ ) {
8187 ai->fids[i] = transmit_allocate
8188 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8191 ssleep(1); /* Added 12/7/00 */
8194 #endif /* CISCO_EXT */
8197 This program is free software; you can redistribute it and/or
8198 modify it under the terms of the GNU General Public License
8199 as published by the Free Software Foundation; either version 2
8200 of the License, or (at your option) any later version.
8202 This program is distributed in the hope that it will be useful,
8203 but WITHOUT ANY WARRANTY; without even the implied warranty of
8204 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8205 GNU General Public License for more details.
8209 Redistribution and use in source and binary forms, with or without
8210 modification, are permitted provided that the following conditions
8213 1. Redistributions of source code must retain the above copyright
8214 notice, this list of conditions and the following disclaimer.
8215 2. Redistributions in binary form must reproduce the above copyright
8216 notice, this list of conditions and the following disclaimer in the
8217 documentation and/or other materials provided with the distribution.
8218 3. The name of the author may not be used to endorse or promote
8219 products derived from this software without specific prior written
8222 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8223 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8224 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8225 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8226 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8227 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8228 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8229 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8230 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8231 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8232 POSSIBILITY OF SUCH DAMAGE.
8235 module_init(airo_init_module);
8236 module_exit(airo_cleanup_module);