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 readAPListRid(struct airo_info *ai, APListRid *aplr)
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1871 static void try_auto_wep(struct airo_info *ai)
1873 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet committed, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1892 writeConfigRid(ai, 1);
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1899 if (IS_ERR(ai->airo_thread_task))
1900 return (int)PTR_ERR(ai->airo_thread_task);
1902 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1905 airo_print_err(dev->name,
1906 "register interrupt %d failed, rc %d",
1908 set_bit(JOB_DIE, &ai->jobs);
1909 kthread_stop(ai->airo_thread_task);
1913 /* Power on the MAC controller (which may have been disabled) */
1914 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1915 enable_interrupts(ai);
1921 netif_start_queue(dev);
1925 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1926 struct net_device *dev)
1928 int npacks, pending;
1929 unsigned long flags;
1930 struct airo_info *ai = dev->ml_priv;
1933 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1934 return NETDEV_TX_OK;
1936 npacks = skb_queue_len (&ai->txq);
1938 if (npacks >= MAXTXQ - 1) {
1939 netif_stop_queue (dev);
1940 if (npacks > MAXTXQ) {
1941 dev->stats.tx_fifo_errors++;
1942 return NETDEV_TX_BUSY;
1944 skb_queue_tail (&ai->txq, skb);
1945 return NETDEV_TX_OK;
1948 spin_lock_irqsave(&ai->aux_lock, flags);
1949 skb_queue_tail (&ai->txq, skb);
1950 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1951 spin_unlock_irqrestore(&ai->aux_lock,flags);
1952 netif_wake_queue (dev);
1955 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1956 mpi_send_packet (dev);
1958 return NETDEV_TX_OK;
1964 * Attempt to transmit a packet. Can be called from interrupt
1965 * or transmit . return number of packets we tried to send
1968 static int mpi_send_packet (struct net_device *dev)
1970 struct sk_buff *skb;
1971 unsigned char *buffer;
1974 struct airo_info *ai = dev->ml_priv;
1977 /* get a packet to send */
1979 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1980 airo_print_err(dev->name,
1981 "%s: Dequeue'd zero in send_packet()",
1986 /* check min length*/
1987 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1990 ai->txfids[0].tx_desc.offset = 0;
1991 ai->txfids[0].tx_desc.valid = 1;
1992 ai->txfids[0].tx_desc.eoc = 1;
1993 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1996 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1997 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1998 * is immediately after it. ------------------------------------------------
1999 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2000 * ------------------------------------------------
2003 memcpy(ai->txfids[0].virtual_host_addr,
2004 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2006 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023));
2008 sendbuf = ai->txfids[0].virtual_host_addr +
2009 sizeof(wifictlhdr8023) + 2 ;
2012 * Firmware automatically puts 802 header on so
2013 * we don't need to account for it in the length
2015 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2016 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2019 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2022 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2023 ai->txfids[0].tx_desc.len += sizeof(pMic);
2024 /* copy data into airo dma buffer */
2025 memcpy (sendbuf, buffer, sizeof(etherHead));
2026 buffer += sizeof(etherHead);
2027 sendbuf += sizeof(etherHead);
2028 memcpy (sendbuf, &pMic, sizeof(pMic));
2029 sendbuf += sizeof(pMic);
2030 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2032 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2034 dev->trans_start = jiffies;
2036 /* copy data into airo dma buffer */
2037 memcpy(sendbuf, buffer, len);
2040 memcpy_toio(ai->txfids[0].card_ram_off,
2041 &ai->txfids[0].tx_desc, sizeof(TxFid));
2043 OUT4500(ai, EVACK, 8);
2045 dev_kfree_skb_any(skb);
2049 static void get_tx_error(struct airo_info *ai, s32 fid)
2054 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2056 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2058 bap_read(ai, &status, 2, BAP0);
2060 if (le16_to_cpu(status) & 2) /* Too many retries */
2061 ai->dev->stats.tx_aborted_errors++;
2062 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2063 ai->dev->stats.tx_heartbeat_errors++;
2064 if (le16_to_cpu(status) & 8) /* Aid fail */
2066 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2067 ai->dev->stats.tx_carrier_errors++;
2068 if (le16_to_cpu(status) & 0x20) /* Association lost */
2070 /* We produce a TXDROP event only for retry or lifetime
2071 * exceeded, because that's the only status that really mean
2072 * that this particular node went away.
2073 * Other errors means that *we* screwed up. - Jean II */
2074 if ((le16_to_cpu(status) & 2) ||
2075 (le16_to_cpu(status) & 4)) {
2076 union iwreq_data wrqu;
2079 /* Faster to skip over useless data than to do
2080 * another bap_setup(). We are at offset 0x6 and
2081 * need to go to 0x18 and read 6 bytes - Jean II */
2082 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2084 /* Copy 802.11 dest address.
2085 * We use the 802.11 header because the frame may
2086 * not be 802.3 or may be mangled...
2087 * In Ad-Hoc mode, it will be the node address.
2088 * In managed mode, it will be most likely the AP addr
2089 * User space will figure out how to convert it to
2090 * whatever it needs (IP address or else).
2092 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2093 wrqu.addr.sa_family = ARPHRD_ETHER;
2095 /* Send event to user space */
2096 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2100 static void airo_end_xmit(struct net_device *dev) {
2103 struct airo_info *priv = dev->ml_priv;
2104 struct sk_buff *skb = priv->xmit.skb;
2105 int fid = priv->xmit.fid;
2106 u32 *fids = priv->fids;
2108 clear_bit(JOB_XMIT, &priv->jobs);
2109 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2110 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2114 if ( status == SUCCESS ) {
2115 dev->trans_start = jiffies;
2116 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2118 priv->fids[fid] &= 0xffff;
2119 dev->stats.tx_window_errors++;
2121 if (i < MAX_FIDS / 2)
2122 netif_wake_queue(dev);
2126 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2127 struct net_device *dev)
2131 struct airo_info *priv = dev->ml_priv;
2132 u32 *fids = priv->fids;
2134 if ( skb == NULL ) {
2135 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2136 return NETDEV_TX_OK;
2139 /* Find a vacant FID */
2140 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2141 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2143 if ( j >= MAX_FIDS / 2 ) {
2144 netif_stop_queue(dev);
2146 if (i == MAX_FIDS / 2) {
2147 dev->stats.tx_fifo_errors++;
2148 return NETDEV_TX_BUSY;
2151 /* check min length*/
2152 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2153 /* Mark fid as used & save length for later */
2154 fids[i] |= (len << 16);
2155 priv->xmit.skb = skb;
2157 if (down_trylock(&priv->sem) != 0) {
2158 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2159 netif_stop_queue(dev);
2160 set_bit(JOB_XMIT, &priv->jobs);
2161 wake_up_interruptible(&priv->thr_wait);
2164 return NETDEV_TX_OK;
2167 static void airo_end_xmit11(struct net_device *dev) {
2170 struct airo_info *priv = dev->ml_priv;
2171 struct sk_buff *skb = priv->xmit11.skb;
2172 int fid = priv->xmit11.fid;
2173 u32 *fids = priv->fids;
2175 clear_bit(JOB_XMIT11, &priv->jobs);
2176 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2177 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2181 if ( status == SUCCESS ) {
2182 dev->trans_start = jiffies;
2183 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2185 priv->fids[fid] &= 0xffff;
2186 dev->stats.tx_window_errors++;
2189 netif_wake_queue(dev);
2193 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2194 struct net_device *dev)
2198 struct airo_info *priv = dev->ml_priv;
2199 u32 *fids = priv->fids;
2201 if (test_bit(FLAG_MPI, &priv->flags)) {
2202 /* Not implemented yet for MPI350 */
2203 netif_stop_queue(dev);
2204 dev_kfree_skb_any(skb);
2205 return NETDEV_TX_OK;
2208 if ( skb == NULL ) {
2209 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2210 return NETDEV_TX_OK;
2213 /* Find a vacant FID */
2214 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2215 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2217 if ( j >= MAX_FIDS ) {
2218 netif_stop_queue(dev);
2220 if (i == MAX_FIDS) {
2221 dev->stats.tx_fifo_errors++;
2222 return NETDEV_TX_BUSY;
2225 /* check min length*/
2226 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2227 /* Mark fid as used & save length for later */
2228 fids[i] |= (len << 16);
2229 priv->xmit11.skb = skb;
2230 priv->xmit11.fid = i;
2231 if (down_trylock(&priv->sem) != 0) {
2232 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2233 netif_stop_queue(dev);
2234 set_bit(JOB_XMIT11, &priv->jobs);
2235 wake_up_interruptible(&priv->thr_wait);
2237 airo_end_xmit11(dev);
2238 return NETDEV_TX_OK;
2241 static void airo_read_stats(struct net_device *dev)
2243 struct airo_info *ai = dev->ml_priv;
2245 __le32 *vals = stats_rid.vals;
2247 clear_bit(JOB_STATS, &ai->jobs);
2248 if (ai->power.event) {
2252 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2255 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2256 le32_to_cpu(vals[45]);
2257 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2258 le32_to_cpu(vals[41]);
2259 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2260 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2261 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2262 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2263 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2264 dev->stats.tx_fifo_errors;
2265 dev->stats.multicast = le32_to_cpu(vals[43]);
2266 dev->stats.collisions = le32_to_cpu(vals[89]);
2268 /* detailed rx_errors: */
2269 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2270 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2271 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2272 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2275 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2277 struct airo_info *local = dev->ml_priv;
2279 if (!test_bit(JOB_STATS, &local->jobs)) {
2280 /* Get stats out of the card if available */
2281 if (down_trylock(&local->sem) != 0) {
2282 set_bit(JOB_STATS, &local->jobs);
2283 wake_up_interruptible(&local->thr_wait);
2285 airo_read_stats(dev);
2291 static void airo_set_promisc(struct airo_info *ai) {
2295 memset(&cmd, 0, sizeof(cmd));
2296 cmd.cmd=CMD_SETMODE;
2297 clear_bit(JOB_PROMISC, &ai->jobs);
2298 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2299 issuecommand(ai, &cmd, &rsp);
2303 static void airo_set_multicast_list(struct net_device *dev) {
2304 struct airo_info *ai = dev->ml_priv;
2306 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2307 change_bit(FLAG_PROMISC, &ai->flags);
2308 if (down_trylock(&ai->sem) != 0) {
2309 set_bit(JOB_PROMISC, &ai->jobs);
2310 wake_up_interruptible(&ai->thr_wait);
2312 airo_set_promisc(ai);
2315 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2316 /* Turn on multicast. (Should be already setup...) */
2320 static int airo_set_mac_address(struct net_device *dev, void *p)
2322 struct airo_info *ai = dev->ml_priv;
2323 struct sockaddr *addr = p;
2325 readConfigRid(ai, 1);
2326 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2327 set_bit (FLAG_COMMIT, &ai->flags);
2329 writeConfigRid (ai, 1);
2331 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2333 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2337 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2339 if ((new_mtu < 68) || (new_mtu > 2400))
2345 static LIST_HEAD(airo_devices);
2347 static void add_airo_dev(struct airo_info *ai)
2349 /* Upper layers already keep track of PCI devices,
2350 * so we only need to remember our non-PCI cards. */
2352 list_add_tail(&ai->dev_list, &airo_devices);
2355 static void del_airo_dev(struct airo_info *ai)
2358 list_del(&ai->dev_list);
2361 static int airo_close(struct net_device *dev) {
2362 struct airo_info *ai = dev->ml_priv;
2364 netif_stop_queue(dev);
2366 if (ai->wifidev != dev) {
2367 #ifdef POWER_ON_DOWN
2368 /* Shut power to the card. The idea is that the user can save
2369 * power when he doesn't need the card with "ifconfig down".
2370 * That's the method that is most friendly towards the network
2371 * stack (i.e. the network stack won't try to broadcast
2372 * anything on the interface and routes are gone. Jean II */
2373 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2376 disable_interrupts( ai );
2378 free_irq(dev->irq, dev);
2380 set_bit(JOB_DIE, &ai->jobs);
2381 kthread_stop(ai->airo_thread_task);
2386 void stop_airo_card( struct net_device *dev, int freeres )
2388 struct airo_info *ai = dev->ml_priv;
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_interrupts(ai);
2393 takedown_proc_entry( dev, ai );
2394 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2395 unregister_netdev( dev );
2397 unregister_netdev(ai->wifidev);
2398 free_netdev(ai->wifidev);
2401 clear_bit(FLAG_REGISTERED, &ai->flags);
2404 * Clean out tx queue
2406 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2407 struct sk_buff *skb = NULL;
2408 for (;(skb = skb_dequeue(&ai->txq));)
2412 airo_networks_free (ai);
2419 /* PCMCIA frees this stuff, so only for PCI and ISA */
2420 release_region( dev->base_addr, 64 );
2421 if (test_bit(FLAG_MPI, &ai->flags)) {
2423 mpi_unmap_card(ai->pci);
2425 iounmap(ai->pcimem);
2427 iounmap(ai->pciaux);
2428 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2429 ai->shared, ai->shared_dma);
2432 crypto_free_cipher(ai->tfm);
2437 EXPORT_SYMBOL(stop_airo_card);
2439 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2441 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2445 static void mpi_unmap_card(struct pci_dev *pci)
2447 unsigned long mem_start = pci_resource_start(pci, 1);
2448 unsigned long mem_len = pci_resource_len(pci, 1);
2449 unsigned long aux_start = pci_resource_start(pci, 2);
2450 unsigned long aux_len = AUXMEMSIZE;
2452 release_mem_region(aux_start, aux_len);
2453 release_mem_region(mem_start, mem_len);
2456 /*************************************************************
2457 * This routine assumes that descriptors have been setup .
2458 * Run at insmod time or after reset when the decriptors
2459 * have been initialized . Returns 0 if all is well nz
2460 * otherwise . Does not allocate memory but sets up card
2461 * using previously allocated descriptors.
2463 static int mpi_init_descriptors (struct airo_info *ai)
2470 /* Alloc card RX descriptors */
2471 netif_stop_queue(ai->dev);
2473 memset(&rsp,0,sizeof(rsp));
2474 memset(&cmd,0,sizeof(cmd));
2476 cmd.cmd = CMD_ALLOCATEAUX;
2478 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2479 cmd.parm2 = MPI_MAX_FIDS;
2480 rc=issuecommand(ai, &cmd, &rsp);
2481 if (rc != SUCCESS) {
2482 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2486 for (i=0; i<MPI_MAX_FIDS; i++) {
2487 memcpy_toio(ai->rxfids[i].card_ram_off,
2488 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2491 /* Alloc card TX descriptors */
2493 memset(&rsp,0,sizeof(rsp));
2494 memset(&cmd,0,sizeof(cmd));
2496 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2499 cmd.parm2 = MPI_MAX_FIDS;
2501 for (i=0; i<MPI_MAX_FIDS; i++) {
2502 ai->txfids[i].tx_desc.valid = 1;
2503 memcpy_toio(ai->txfids[i].card_ram_off,
2504 &ai->txfids[i].tx_desc, sizeof(TxFid));
2506 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2508 rc=issuecommand(ai, &cmd, &rsp);
2509 if (rc != SUCCESS) {
2510 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2514 /* Alloc card Rid descriptor */
2515 memset(&rsp,0,sizeof(rsp));
2516 memset(&cmd,0,sizeof(cmd));
2518 cmd.cmd = CMD_ALLOCATEAUX;
2520 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2521 cmd.parm2 = 1; /* Magic number... */
2522 rc=issuecommand(ai, &cmd, &rsp);
2523 if (rc != SUCCESS) {
2524 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2528 memcpy_toio(ai->config_desc.card_ram_off,
2529 &ai->config_desc.rid_desc, sizeof(Rid));
2535 * We are setting up three things here:
2536 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2537 * 2) Map PCI memory for issuing commands.
2538 * 3) Allocate memory (shared) to send and receive ethernet frames.
2540 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2542 unsigned long mem_start, mem_len, aux_start, aux_len;
2545 dma_addr_t busaddroff;
2546 unsigned char *vpackoff;
2547 unsigned char __iomem *pciaddroff;
2549 mem_start = pci_resource_start(pci, 1);
2550 mem_len = pci_resource_len(pci, 1);
2551 aux_start = pci_resource_start(pci, 2);
2552 aux_len = AUXMEMSIZE;
2554 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2555 airo_print_err("", "Couldn't get region %x[%x]",
2556 (int)mem_start, (int)mem_len);
2559 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2560 airo_print_err("", "Couldn't get region %x[%x]",
2561 (int)aux_start, (int)aux_len);
2565 ai->pcimem = ioremap(mem_start, mem_len);
2567 airo_print_err("", "Couldn't map region %x[%x]",
2568 (int)mem_start, (int)mem_len);
2571 ai->pciaux = ioremap(aux_start, aux_len);
2573 airo_print_err("", "Couldn't map region %x[%x]",
2574 (int)aux_start, (int)aux_len);
2578 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2579 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2581 airo_print_err("", "Couldn't alloc_consistent %d",
2587 * Setup descriptor RX, TX, CONFIG
2589 busaddroff = ai->shared_dma;
2590 pciaddroff = ai->pciaux + AUX_OFFSET;
2591 vpackoff = ai->shared;
2593 /* RX descriptor setup */
2594 for(i = 0; i < MPI_MAX_FIDS; i++) {
2595 ai->rxfids[i].pending = 0;
2596 ai->rxfids[i].card_ram_off = pciaddroff;
2597 ai->rxfids[i].virtual_host_addr = vpackoff;
2598 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2599 ai->rxfids[i].rx_desc.valid = 1;
2600 ai->rxfids[i].rx_desc.len = PKTSIZE;
2601 ai->rxfids[i].rx_desc.rdy = 0;
2603 pciaddroff += sizeof(RxFid);
2604 busaddroff += PKTSIZE;
2605 vpackoff += PKTSIZE;
2608 /* TX descriptor setup */
2609 for(i = 0; i < MPI_MAX_FIDS; i++) {
2610 ai->txfids[i].card_ram_off = pciaddroff;
2611 ai->txfids[i].virtual_host_addr = vpackoff;
2612 ai->txfids[i].tx_desc.valid = 1;
2613 ai->txfids[i].tx_desc.host_addr = busaddroff;
2614 memcpy(ai->txfids[i].virtual_host_addr,
2615 &wifictlhdr8023, sizeof(wifictlhdr8023));
2617 pciaddroff += sizeof(TxFid);
2618 busaddroff += PKTSIZE;
2619 vpackoff += PKTSIZE;
2621 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2623 /* Rid descriptor setup */
2624 ai->config_desc.card_ram_off = pciaddroff;
2625 ai->config_desc.virtual_host_addr = vpackoff;
2626 ai->config_desc.rid_desc.host_addr = busaddroff;
2627 ai->ridbus = busaddroff;
2628 ai->config_desc.rid_desc.rid = 0;
2629 ai->config_desc.rid_desc.len = RIDSIZE;
2630 ai->config_desc.rid_desc.valid = 1;
2631 pciaddroff += sizeof(Rid);
2632 busaddroff += RIDSIZE;
2633 vpackoff += RIDSIZE;
2635 /* Tell card about descriptors */
2636 if (mpi_init_descriptors (ai) != SUCCESS)
2641 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2643 iounmap(ai->pciaux);
2645 iounmap(ai->pcimem);
2647 release_mem_region(aux_start, aux_len);
2649 release_mem_region(mem_start, mem_len);
2654 static const struct header_ops airo_header_ops = {
2655 .parse = wll_header_parse,
2658 static const struct net_device_ops airo11_netdev_ops = {
2659 .ndo_open = airo_open,
2660 .ndo_stop = airo_close,
2661 .ndo_start_xmit = airo_start_xmit11,
2662 .ndo_get_stats = airo_get_stats,
2663 .ndo_set_mac_address = airo_set_mac_address,
2664 .ndo_do_ioctl = airo_ioctl,
2665 .ndo_change_mtu = airo_change_mtu,
2668 static void wifi_setup(struct net_device *dev)
2670 dev->netdev_ops = &airo11_netdev_ops;
2671 dev->header_ops = &airo_header_ops;
2672 dev->wireless_handlers = &airo_handler_def;
2674 dev->type = ARPHRD_IEEE80211;
2675 dev->hard_header_len = ETH_HLEN;
2676 dev->mtu = AIRO_DEF_MTU;
2677 dev->addr_len = ETH_ALEN;
2678 dev->tx_queue_len = 100;
2680 eth_broadcast_addr(dev->broadcast);
2682 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2685 static struct net_device *init_wifidev(struct airo_info *ai,
2686 struct net_device *ethdev)
2689 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2693 dev->ml_priv = ethdev->ml_priv;
2694 dev->irq = ethdev->irq;
2695 dev->base_addr = ethdev->base_addr;
2696 dev->wireless_data = ethdev->wireless_data;
2697 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2698 eth_hw_addr_inherit(dev, ethdev);
2699 err = register_netdev(dev);
2707 static int reset_card( struct net_device *dev , int lock) {
2708 struct airo_info *ai = dev->ml_priv;
2710 if (lock && down_interruptible(&ai->sem))
2713 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2722 #define AIRO_MAX_NETWORK_COUNT 64
2723 static int airo_networks_allocate(struct airo_info *ai)
2728 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2730 if (!ai->networks) {
2731 airo_print_warn("", "Out of memory allocating beacons");
2738 static void airo_networks_free(struct airo_info *ai)
2740 kfree(ai->networks);
2741 ai->networks = NULL;
2744 static void airo_networks_initialize(struct airo_info *ai)
2748 INIT_LIST_HEAD(&ai->network_free_list);
2749 INIT_LIST_HEAD(&ai->network_list);
2750 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2751 list_add_tail(&ai->networks[i].list,
2752 &ai->network_free_list);
2755 static const struct net_device_ops airo_netdev_ops = {
2756 .ndo_open = airo_open,
2757 .ndo_stop = airo_close,
2758 .ndo_start_xmit = airo_start_xmit,
2759 .ndo_get_stats = airo_get_stats,
2760 .ndo_set_rx_mode = airo_set_multicast_list,
2761 .ndo_set_mac_address = airo_set_mac_address,
2762 .ndo_do_ioctl = airo_ioctl,
2763 .ndo_change_mtu = airo_change_mtu,
2764 .ndo_validate_addr = eth_validate_addr,
2767 static const struct net_device_ops mpi_netdev_ops = {
2768 .ndo_open = airo_open,
2769 .ndo_stop = airo_close,
2770 .ndo_start_xmit = mpi_start_xmit,
2771 .ndo_get_stats = airo_get_stats,
2772 .ndo_set_rx_mode = airo_set_multicast_list,
2773 .ndo_set_mac_address = airo_set_mac_address,
2774 .ndo_do_ioctl = airo_ioctl,
2775 .ndo_change_mtu = airo_change_mtu,
2776 .ndo_validate_addr = eth_validate_addr,
2780 static struct net_device *_init_airo_card( unsigned short irq, int port,
2781 int is_pcmcia, struct pci_dev *pci,
2782 struct device *dmdev )
2784 struct net_device *dev;
2785 struct airo_info *ai;
2787 CapabilityRid cap_rid;
2789 /* Create the network device object. */
2790 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2792 airo_print_err("", "Couldn't alloc_etherdev");
2796 ai = dev->ml_priv = netdev_priv(dev);
2798 ai->flags = 1 << FLAG_RADIO_DOWN;
2801 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2802 airo_print_dbg("", "Found an MPI350 card");
2803 set_bit(FLAG_MPI, &ai->flags);
2805 spin_lock_init(&ai->aux_lock);
2806 sema_init(&ai->sem, 1);
2809 init_waitqueue_head (&ai->thr_wait);
2813 if (airo_networks_allocate (ai))
2815 airo_networks_initialize (ai);
2817 skb_queue_head_init (&ai->txq);
2819 /* The Airo-specific entries in the device structure. */
2820 if (test_bit(FLAG_MPI,&ai->flags))
2821 dev->netdev_ops = &mpi_netdev_ops;
2823 dev->netdev_ops = &airo_netdev_ops;
2824 dev->wireless_handlers = &airo_handler_def;
2825 ai->wireless_data.spy_data = &ai->spy_data;
2826 dev->wireless_data = &ai->wireless_data;
2828 dev->base_addr = port;
2829 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2831 SET_NETDEV_DEV(dev, dmdev);
2833 reset_card (dev, 1);
2837 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2839 airo_print_err(dev->name, "Couldn't request region");
2844 if (test_bit(FLAG_MPI,&ai->flags)) {
2845 if (mpi_map_card(ai, pci)) {
2846 airo_print_err("", "Could not map memory");
2852 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2853 airo_print_err(dev->name, "MAC could not be enabled" );
2857 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2858 ai->bap_read = fast_bap_read;
2859 set_bit(FLAG_FLASHING, &ai->flags);
2862 strcpy(dev->name, "eth%d");
2863 rc = register_netdev(dev);
2865 airo_print_err(dev->name, "Couldn't register_netdev");
2868 ai->wifidev = init_wifidev(ai, dev);
2872 rc = readCapabilityRid(ai, &cap_rid, 1);
2873 if (rc != SUCCESS) {
2877 /* WEP capability discovery */
2878 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2879 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2881 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2882 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2883 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2884 le16_to_cpu(cap_rid.softSubVer));
2886 /* Test for WPA support */
2887 /* Only firmware versions 5.30.17 or better can do WPA */
2888 if (le16_to_cpu(cap_rid.softVer) > 0x530
2889 || (le16_to_cpu(cap_rid.softVer) == 0x530
2890 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2891 airo_print_info(ai->dev->name, "WPA supported.");
2893 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2894 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2895 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2896 ai->bssListRidLen = sizeof(BSSListRid);
2898 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2899 "versions older than 5.30.17.");
2901 ai->bssListFirst = RID_BSSLISTFIRST;
2902 ai->bssListNext = RID_BSSLISTNEXT;
2903 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2906 set_bit(FLAG_REGISTERED,&ai->flags);
2907 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2909 /* Allocate the transmit buffers */
2910 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2911 for( i = 0; i < MAX_FIDS; i++ )
2912 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2914 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2920 unregister_netdev(ai->wifidev);
2921 free_netdev(ai->wifidev);
2923 unregister_netdev(dev);
2925 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2926 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2927 iounmap(ai->pciaux);
2928 iounmap(ai->pcimem);
2929 mpi_unmap_card(ai->pci);
2933 release_region( dev->base_addr, 64 );
2935 airo_networks_free(ai);
2942 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2943 struct device *dmdev)
2945 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2948 EXPORT_SYMBOL(init_airo_card);
2950 static int waitbusy (struct airo_info *ai) {
2952 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2954 if ((++delay % 20) == 0)
2955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2957 return delay < 10000;
2960 int reset_airo_card( struct net_device *dev )
2963 struct airo_info *ai = dev->ml_priv;
2965 if (reset_card (dev, 1))
2968 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2969 airo_print_err(dev->name, "MAC could not be enabled");
2972 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2973 /* Allocate the transmit buffers if needed */
2974 if (!test_bit(FLAG_MPI,&ai->flags))
2975 for( i = 0; i < MAX_FIDS; i++ )
2976 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2978 enable_interrupts( ai );
2979 netif_wake_queue(dev);
2983 EXPORT_SYMBOL(reset_airo_card);
2985 static void airo_send_event(struct net_device *dev) {
2986 struct airo_info *ai = dev->ml_priv;
2987 union iwreq_data wrqu;
2988 StatusRid status_rid;
2990 clear_bit(JOB_EVENT, &ai->jobs);
2991 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2993 wrqu.data.length = 0;
2994 wrqu.data.flags = 0;
2995 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2996 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2998 /* Send event to user space */
2999 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3002 static void airo_process_scan_results (struct airo_info *ai) {
3003 union iwreq_data wrqu;
3006 BSSListElement * loop_net;
3007 BSSListElement * tmp_net;
3009 /* Blow away current list of scan results */
3010 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3011 list_move_tail (&loop_net->list, &ai->network_free_list);
3012 /* Don't blow away ->list, just BSS data */
3013 memset (loop_net, 0, sizeof (loop_net->bss));
3016 /* Try to read the first entry of the scan result */
3017 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3018 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3019 /* No scan results */
3023 /* Read and parse all entries */
3025 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3026 /* Grab a network off the free list */
3027 if (!list_empty(&ai->network_free_list)) {
3028 tmp_net = list_entry(ai->network_free_list.next,
3029 BSSListElement, list);
3030 list_del(ai->network_free_list.next);
3033 if (tmp_net != NULL) {
3034 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3035 list_add_tail(&tmp_net->list, &ai->network_list);
3039 /* Read next entry */
3040 rc = PC4500_readrid(ai, ai->bssListNext,
3041 &bss, ai->bssListRidLen, 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 } else if (!scan_forceloss) {
3271 if (auto_wep && !ai->expires) {
3272 ai->expires = RUN_AT(3*HZ);
3273 wake_up_interruptible(&ai->thr_wait);
3276 /* Send event to user space */
3277 eth_zero_addr(wrqu.ap_addr.sa_data);
3278 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3279 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3283 static void airo_handle_rx(struct airo_info *ai)
3285 struct sk_buff *skb = NULL;
3286 __le16 fc, v, *buffer, tmpbuf[4];
3287 u16 len, hdrlen = 0, gap, fid;
3291 if (test_bit(FLAG_MPI, &ai->flags)) {
3292 if (test_bit(FLAG_802_11, &ai->flags))
3293 mpi_receive_802_11(ai);
3295 mpi_receive_802_3(ai);
3296 OUT4500(ai, EVACK, EV_RX);
3300 fid = IN4500(ai, RXFID);
3302 /* Get the packet length */
3303 if (test_bit(FLAG_802_11, &ai->flags)) {
3304 bap_setup (ai, fid, 4, BAP0);
3305 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3306 /* Bad CRC. Ignore packet */
3307 if (le16_to_cpu(hdr.status) & 2)
3309 if (ai->wifidev == NULL)
3312 bap_setup(ai, fid, 0x36, BAP0);
3313 bap_read(ai, &hdr.len, 2, BAP0);
3315 len = le16_to_cpu(hdr.len);
3317 if (len > AIRO_DEF_MTU) {
3318 airo_print_err(ai->dev->name, "Bad size %d", len);
3324 if (test_bit(FLAG_802_11, &ai->flags)) {
3325 bap_read(ai, &fc, sizeof (fc), BAP0);
3326 hdrlen = header_len(fc);
3328 hdrlen = ETH_ALEN * 2;
3330 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3332 ai->dev->stats.rx_dropped++;
3336 skb_reserve(skb, 2); /* This way the IP header is aligned */
3337 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3338 if (test_bit(FLAG_802_11, &ai->flags)) {
3340 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3342 bap_read(ai, tmpbuf, 6, BAP0);
3344 bap_read(ai, &v, sizeof(v), BAP0);
3345 gap = le16_to_cpu(v);
3348 bap_read(ai, tmpbuf, gap, BAP0);
3350 airo_print_err(ai->dev->name, "gaplen too "
3351 "big. Problems will follow...");
3354 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3358 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3359 if (ai->micstats.enabled) {
3360 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3361 if (ntohs(micbuf.typelen) > 0x05DC)
3362 bap_setup(ai, fid, 0x44, BAP0);
3364 if (len <= sizeof (micbuf)) {
3365 dev_kfree_skb_irq(skb);
3369 len -= sizeof(micbuf);
3370 skb_trim(skb, len + hdrlen);
3374 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3375 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3376 dev_kfree_skb_irq (skb);
3382 if (success && (ai->spy_data.spy_number > 0)) {
3384 struct iw_quality wstats;
3386 /* Prepare spy data : addr + qual */
3387 if (!test_bit(FLAG_802_11, &ai->flags)) {
3388 sa = (char *) buffer + 6;
3389 bap_setup(ai, fid, 8, BAP0);
3390 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3392 sa = (char *) buffer + 10;
3393 wstats.qual = hdr.rssi[0];
3395 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3397 wstats.level = (hdr.rssi[1] + 321) / 2;
3398 wstats.noise = ai->wstats.qual.noise;
3399 wstats.updated = IW_QUAL_LEVEL_UPDATED
3400 | IW_QUAL_QUAL_UPDATED
3402 /* Update spy records */
3403 wireless_spy_update(ai->dev, sa, &wstats);
3405 #endif /* WIRELESS_SPY */
3408 OUT4500(ai, EVACK, EV_RX);
3411 if (test_bit(FLAG_802_11, &ai->flags)) {
3412 skb_reset_mac_header(skb);
3413 skb->pkt_type = PACKET_OTHERHOST;
3414 skb->dev = ai->wifidev;
3415 skb->protocol = htons(ETH_P_802_2);
3417 skb->protocol = eth_type_trans(skb, ai->dev);
3418 skb->ip_summed = CHECKSUM_NONE;
3424 static void airo_handle_tx(struct airo_info *ai, u16 status)
3426 int i, len = 0, index = -1;
3429 if (test_bit(FLAG_MPI, &ai->flags)) {
3430 unsigned long flags;
3432 if (status & EV_TXEXC)
3433 get_tx_error(ai, -1);
3435 spin_lock_irqsave(&ai->aux_lock, flags);
3436 if (!skb_queue_empty(&ai->txq)) {
3437 spin_unlock_irqrestore(&ai->aux_lock,flags);
3438 mpi_send_packet(ai->dev);
3440 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3441 spin_unlock_irqrestore(&ai->aux_lock,flags);
3442 netif_wake_queue(ai->dev);
3444 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3448 fid = IN4500(ai, TXCOMPLFID);
3450 for(i = 0; i < MAX_FIDS; i++) {
3451 if ((ai->fids[i] & 0xffff) == fid) {
3452 len = ai->fids[i] >> 16;
3458 if (status & EV_TXEXC)
3459 get_tx_error(ai, index);
3461 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3463 /* Set up to be used again */
3464 ai->fids[index] &= 0xffff;
3465 if (index < MAX_FIDS / 2) {
3466 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3467 netif_wake_queue(ai->dev);
3469 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3470 netif_wake_queue(ai->wifidev);
3473 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3474 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3478 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3480 struct net_device *dev = dev_id;
3481 u16 status, savedInterrupts = 0;
3482 struct airo_info *ai = dev->ml_priv;
3485 if (!netif_device_present(dev))
3489 status = IN4500(ai, EVSTAT);
3490 if (!(status & STATUS_INTS) || (status == 0xffff))
3495 if (status & EV_AWAKE) {
3496 OUT4500(ai, EVACK, EV_AWAKE);
3497 OUT4500(ai, EVACK, EV_AWAKE);
3500 if (!savedInterrupts) {
3501 savedInterrupts = IN4500(ai, EVINTEN);
3502 OUT4500(ai, EVINTEN, 0);
3505 if (status & EV_MIC) {
3506 OUT4500(ai, EVACK, EV_MIC);
3507 airo_handle_cisco_mic(ai);
3510 if (status & EV_LINK) {
3511 /* Link status changed */
3512 airo_handle_link(ai);
3515 /* Check to see if there is something to receive */
3519 /* Check to see if a packet has been transmitted */
3520 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3521 airo_handle_tx(ai, status);
3523 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3524 airo_print_warn(ai->dev->name, "Got weird status %x",
3525 status & ~STATUS_INTS & ~IGNORE_INTS );
3529 if (savedInterrupts)
3530 OUT4500(ai, EVINTEN, savedInterrupts);
3532 return IRQ_RETVAL(handled);
3536 * Routines to talk to the card
3540 * This was originally written for the 4500, hence the name
3541 * NOTE: If use with 8bit mode and SMP bad things will happen!
3542 * Why would some one do 8 bit IO in an SMP machine?!?
3544 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3545 if (test_bit(FLAG_MPI,&ai->flags))
3548 outw( val, ai->dev->base_addr + reg );
3550 outb( val & 0xff, ai->dev->base_addr + reg );
3551 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3555 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3558 if (test_bit(FLAG_MPI,&ai->flags))
3561 rc = inw( ai->dev->base_addr + reg );
3563 rc = inb( ai->dev->base_addr + reg );
3564 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3569 static int enable_MAC(struct airo_info *ai, int lock)
3575 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3576 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3577 * Note : we could try to use !netif_running(dev) in enable_MAC()
3578 * instead of this flag, but I don't trust it *within* the
3579 * open/close functions, and testing both flags together is
3580 * "cheaper" - Jean II */
3581 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3583 if (lock && down_interruptible(&ai->sem))
3584 return -ERESTARTSYS;
3586 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3587 memset(&cmd, 0, sizeof(cmd));
3588 cmd.cmd = MAC_ENABLE;
3589 rc = issuecommand(ai, &cmd, &rsp);
3591 set_bit(FLAG_ENABLED, &ai->flags);
3599 airo_print_err(ai->dev->name, "Cannot enable MAC");
3600 else if ((rsp.status & 0xFF00) != 0) {
3601 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3602 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3608 static void disable_MAC( struct airo_info *ai, int lock ) {
3612 if (lock && down_interruptible(&ai->sem))
3615 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3616 memset(&cmd, 0, sizeof(cmd));
3617 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3618 issuecommand(ai, &cmd, &rsp);
3619 clear_bit(FLAG_ENABLED, &ai->flags);
3625 static void enable_interrupts( struct airo_info *ai ) {
3626 /* Enable the interrupts */
3627 OUT4500( ai, EVINTEN, STATUS_INTS );
3630 static void disable_interrupts( struct airo_info *ai ) {
3631 OUT4500( ai, EVINTEN, 0 );
3634 static void mpi_receive_802_3(struct airo_info *ai)
3638 struct sk_buff *skb;
3643 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3644 /* Make sure we got something */
3645 if (rxd.rdy && rxd.valid == 0) {
3647 if (len < 12 || len > 2048)
3650 skb = dev_alloc_skb(len);
3652 ai->dev->stats.rx_dropped++;
3655 buffer = skb_put(skb,len);
3656 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3657 if (ai->micstats.enabled) {
3659 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3661 if (ntohs(micbuf.typelen) <= 0x05DC) {
3662 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3665 off = sizeof(micbuf);
3666 skb_trim (skb, len - off);
3669 memcpy(buffer + ETH_ALEN * 2,
3670 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3671 len - ETH_ALEN * 2 - off);
3672 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3674 dev_kfree_skb_irq (skb);
3678 if (ai->spy_data.spy_number > 0) {
3680 struct iw_quality wstats;
3681 /* Prepare spy data : addr + qual */
3682 sa = buffer + ETH_ALEN;
3683 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3686 /* Update spy records */
3687 wireless_spy_update(ai->dev, sa, &wstats);
3689 #endif /* WIRELESS_SPY */
3691 skb->ip_summed = CHECKSUM_NONE;
3692 skb->protocol = eth_type_trans(skb, ai->dev);
3696 if (rxd.valid == 0) {
3700 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3704 static void mpi_receive_802_11(struct airo_info *ai)
3707 struct sk_buff *skb = NULL;
3708 u16 len, hdrlen = 0;
3713 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3715 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3716 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3718 /* Bad CRC. Ignore packet */
3719 if (le16_to_cpu(hdr.status) & 2)
3721 if (ai->wifidev == NULL)
3723 len = le16_to_cpu(hdr.len);
3724 if (len > AIRO_DEF_MTU) {
3725 airo_print_err(ai->dev->name, "Bad size %d", len);
3731 fc = get_unaligned((__le16 *)ptr);
3732 hdrlen = header_len(fc);
3734 skb = dev_alloc_skb( len + hdrlen + 2 );
3736 ai->dev->stats.rx_dropped++;
3739 buffer = (u16*)skb_put (skb, len + hdrlen);
3740 memcpy ((char *)buffer, ptr, hdrlen);
3744 gap = get_unaligned_le16(ptr);
3745 ptr += sizeof(__le16);
3750 airo_print_err(ai->dev->name,
3751 "gaplen too big. Problems will follow...");
3753 memcpy ((char *)buffer + hdrlen, ptr, len);
3755 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3756 if (ai->spy_data.spy_number > 0) {
3758 struct iw_quality wstats;
3759 /* Prepare spy data : addr + qual */
3760 sa = (char*)buffer + 10;
3761 wstats.qual = hdr.rssi[0];
3763 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3765 wstats.level = (hdr.rssi[1] + 321) / 2;
3766 wstats.noise = ai->wstats.qual.noise;
3767 wstats.updated = IW_QUAL_QUAL_UPDATED
3768 | IW_QUAL_LEVEL_UPDATED
3770 /* Update spy records */
3771 wireless_spy_update(ai->dev, sa, &wstats);
3773 #endif /* IW_WIRELESS_SPY */
3774 skb_reset_mac_header(skb);
3775 skb->pkt_type = PACKET_OTHERHOST;
3776 skb->dev = ai->wifidev;
3777 skb->protocol = htons(ETH_P_802_2);
3778 skb->ip_summed = CHECKSUM_NONE;
3782 if (rxd.valid == 0) {
3786 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3790 static inline void set_auth_type(struct airo_info *local, int auth_type)
3792 local->config.authType = auth_type;
3793 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3794 * Used by airo_set_auth()
3796 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3797 local->last_auth = auth_type;
3800 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3810 memset( &mySsid, 0, sizeof( mySsid ) );
3814 /* The NOP is the first step in getting the card going */
3816 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3817 if (lock && down_interruptible(&ai->sem))
3819 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3824 disable_MAC( ai, 0);
3826 // Let's figure out if we need to use the AUX port
3827 if (!test_bit(FLAG_MPI,&ai->flags)) {
3828 cmd.cmd = CMD_ENABLEAUX;
3829 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3832 airo_print_err(ai->dev->name, "Error checking for AUX port");
3835 if (!aux_bap || rsp.status & 0xff00) {
3836 ai->bap_read = fast_bap_read;
3837 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3839 ai->bap_read = aux_bap_read;
3840 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3845 if (ai->config.len == 0) {
3847 tdsRssiRid rssi_rid;
3848 CapabilityRid cap_rid;
3854 // general configuration (read/modify/write)
3855 status = readConfigRid(ai, lock);
3856 if ( status != SUCCESS ) return ERROR;
3858 status = readCapabilityRid(ai, &cap_rid, lock);
3859 if ( status != SUCCESS ) return ERROR;
3861 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3862 if ( status == SUCCESS ) {
3863 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3864 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3869 if (cap_rid.softCap & cpu_to_le16(8))
3870 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3872 airo_print_warn(ai->dev->name, "unknown received signal "
3875 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3876 set_auth_type(ai, AUTH_OPEN);
3877 ai->config.modulation = MOD_CCK;
3879 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3880 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3881 micsetup(ai) == SUCCESS) {
3882 ai->config.opmode |= MODE_MIC;
3883 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3886 /* Save off the MAC */
3887 for( i = 0; i < ETH_ALEN; i++ ) {
3888 mac[i] = ai->config.macAddr[i];
3891 /* Check to see if there are any insmod configured
3894 memset(ai->config.rates,0,sizeof(ai->config.rates));
3895 for( i = 0; i < 8 && rates[i]; i++ ) {
3896 ai->config.rates[i] = rates[i];
3899 set_bit (FLAG_COMMIT, &ai->flags);
3902 /* Setup the SSIDs if present */
3905 for( i = 0; i < 3 && ssids[i]; i++ ) {
3906 size_t len = strlen(ssids[i]);
3909 mySsid.ssids[i].len = cpu_to_le16(len);
3910 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3912 mySsid.len = cpu_to_le16(sizeof(mySsid));
3915 status = writeConfigRid(ai, lock);
3916 if ( status != SUCCESS ) return ERROR;
3918 /* Set up the SSID list */
3920 status = writeSsidRid(ai, &mySsid, lock);
3921 if ( status != SUCCESS ) return ERROR;
3924 status = enable_MAC(ai, lock);
3925 if (status != SUCCESS)
3928 /* Grab the initial wep key, we gotta save it for auto_wep */
3929 rc = readWepKeyRid(ai, &wkr, 1, lock);
3930 if (rc == SUCCESS) do {
3931 lastindex = wkr.kindex;
3932 if (wkr.kindex == cpu_to_le16(0xffff)) {
3933 ai->defindex = wkr.mac[0];
3935 rc = readWepKeyRid(ai, &wkr, 0, lock);
3936 } while(lastindex != wkr.kindex);
3943 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3944 // Im really paranoid about letting it run forever!
3945 int max_tries = 600000;
3947 if (IN4500(ai, EVSTAT) & EV_CMD)
3948 OUT4500(ai, EVACK, EV_CMD);
3950 OUT4500(ai, PARAM0, pCmd->parm0);
3951 OUT4500(ai, PARAM1, pCmd->parm1);
3952 OUT4500(ai, PARAM2, pCmd->parm2);
3953 OUT4500(ai, COMMAND, pCmd->cmd);
3955 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3956 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3957 // PC4500 didn't notice command, try again
3958 OUT4500(ai, COMMAND, pCmd->cmd);
3959 if (!in_atomic() && (max_tries & 255) == 0)
3963 if ( max_tries == -1 ) {
3964 airo_print_err(ai->dev->name,
3965 "Max tries exceeded when issuing command");
3966 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3967 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3971 // command completed
3972 pRsp->status = IN4500(ai, STATUS);
3973 pRsp->rsp0 = IN4500(ai, RESP0);
3974 pRsp->rsp1 = IN4500(ai, RESP1);
3975 pRsp->rsp2 = IN4500(ai, RESP2);
3976 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3977 airo_print_err(ai->dev->name,
3978 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3979 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3982 // clear stuck command busy if necessary
3983 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3984 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3986 // acknowledge processing the status/response
3987 OUT4500(ai, EVACK, EV_CMD);
3992 /* Sets up the bap to start exchange data. whichbap should
3993 * be one of the BAP0 or BAP1 defines. Locks should be held before
3995 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4000 OUT4500(ai, SELECT0+whichbap, rid);
4001 OUT4500(ai, OFFSET0+whichbap, offset);
4003 int status = IN4500(ai, OFFSET0+whichbap);
4004 if (status & BAP_BUSY) {
4005 /* This isn't really a timeout, but its kinda
4010 } else if ( status & BAP_ERR ) {
4011 /* invalid rid or offset */
4012 airo_print_err(ai->dev->name, "BAP error %x %d",
4015 } else if (status & BAP_DONE) { // success
4018 if ( !(max_tries--) ) {
4019 airo_print_err(ai->dev->name,
4020 "BAP setup error too many retries\n");
4023 // -- PC4500 missed it, try again
4024 OUT4500(ai, SELECT0+whichbap, rid);
4025 OUT4500(ai, OFFSET0+whichbap, offset);
4030 /* should only be called by aux_bap_read. This aux function and the
4031 following use concepts not documented in the developers guide. I
4032 got them from a patch given to my by Aironet */
4033 static u16 aux_setup(struct airo_info *ai, u16 page,
4034 u16 offset, u16 *len)
4038 OUT4500(ai, AUXPAGE, page);
4039 OUT4500(ai, AUXOFF, 0);
4040 next = IN4500(ai, AUXDATA);
4041 *len = IN4500(ai, AUXDATA)&0xff;
4042 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4046 /* requires call to bap_setup() first */
4047 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4048 int bytelen, int whichbap)
4056 unsigned long flags;
4058 spin_lock_irqsave(&ai->aux_lock, flags);
4059 page = IN4500(ai, SWS0+whichbap);
4060 offset = IN4500(ai, SWS2+whichbap);
4061 next = aux_setup(ai, page, offset, &len);
4062 words = (bytelen+1)>>1;
4064 for (i=0; i<words;) {
4066 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4068 insw( ai->dev->base_addr+DATA0+whichbap,
4071 insb( ai->dev->base_addr+DATA0+whichbap,
4072 pu16Dst+i, count << 1 );
4075 next = aux_setup(ai, next, 4, &len);
4078 spin_unlock_irqrestore(&ai->aux_lock, flags);
4083 /* requires call to bap_setup() first */
4084 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4085 int bytelen, int whichbap)
4087 bytelen = (bytelen + 1) & (~1); // round up to even value
4089 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4091 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4095 /* requires call to bap_setup() first */
4096 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4097 int bytelen, int whichbap)
4099 bytelen = (bytelen + 1) & (~1); // round up to even value
4101 outsw( ai->dev->base_addr+DATA0+whichbap,
4102 pu16Src, bytelen>>1 );
4104 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4108 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4110 Cmd cmd; /* for issuing commands */
4111 Resp rsp; /* response from commands */
4114 memset(&cmd, 0, sizeof(cmd));
4117 status = issuecommand(ai, &cmd, &rsp);
4118 if (status != 0) return status;
4119 if ( (rsp.status & 0x7F00) != 0) {
4120 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4125 /* Note, that we are using BAP1 which is also used by transmit, so
4126 * we must get a lock. */
4127 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4133 if (down_interruptible(&ai->sem))
4136 if (test_bit(FLAG_MPI,&ai->flags)) {
4140 memset(&cmd, 0, sizeof(cmd));
4141 memset(&rsp, 0, sizeof(rsp));
4142 ai->config_desc.rid_desc.valid = 1;
4143 ai->config_desc.rid_desc.len = RIDSIZE;
4144 ai->config_desc.rid_desc.rid = 0;
4145 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4147 cmd.cmd = CMD_ACCESS;
4150 memcpy_toio(ai->config_desc.card_ram_off,
4151 &ai->config_desc.rid_desc, sizeof(Rid));
4153 rc = issuecommand(ai, &cmd, &rsp);
4155 if (rsp.status & 0x7f00)
4158 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4161 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4165 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4169 // read the rid length field
4170 bap_read(ai, pBuf, 2, BAP1);
4171 // length for remaining part of rid
4172 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4175 airo_print_err(ai->dev->name,
4176 "Rid %x has a length of %d which is too short",
4177 (int)rid, (int)len );
4181 // read remainder of the rid
4182 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4190 /* Note, that we are using BAP1 which is also used by transmit, so
4191 * make sure this isn't called when a transmit is happening */
4192 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4193 const void *pBuf, int len, int lock)
4198 *(__le16*)pBuf = cpu_to_le16((u16)len);
4201 if (down_interruptible(&ai->sem))
4204 if (test_bit(FLAG_MPI,&ai->flags)) {
4208 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4209 airo_print_err(ai->dev->name,
4210 "%s: MAC should be disabled (rid=%04x)",
4212 memset(&cmd, 0, sizeof(cmd));
4213 memset(&rsp, 0, sizeof(rsp));
4215 ai->config_desc.rid_desc.valid = 1;
4216 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4217 ai->config_desc.rid_desc.rid = 0;
4219 cmd.cmd = CMD_WRITERID;
4222 memcpy_toio(ai->config_desc.card_ram_off,
4223 &ai->config_desc.rid_desc, sizeof(Rid));
4225 if (len < 4 || len > 2047) {
4226 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4229 memcpy(ai->config_desc.virtual_host_addr,
4232 rc = issuecommand(ai, &cmd, &rsp);
4233 if ((rc & 0xff00) != 0) {
4234 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4236 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4240 if ((rsp.status & 0x7f00))
4244 // --- first access so that we can write the rid data
4245 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4249 // --- now write the rid data
4250 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4254 bap_write(ai, pBuf, len, BAP1);
4255 // ---now commit the rid data
4256 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4264 /* Allocates a FID to be used for transmitting packets. We only use
4266 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4268 unsigned int loop = 3000;
4274 cmd.cmd = CMD_ALLOCATETX;
4275 cmd.parm0 = lenPayload;
4276 if (down_interruptible(&ai->sem))
4278 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4282 if ( (rsp.status & 0xFF00) != 0) {
4286 /* wait for the allocate event/indication
4287 * It makes me kind of nervous that this can just sit here and spin,
4288 * but in practice it only loops like four times. */
4289 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4295 // get the allocated fid and acknowledge
4296 txFid = IN4500(ai, TXALLOCFID);
4297 OUT4500(ai, EVACK, EV_ALLOC);
4299 /* The CARD is pretty cool since it converts the ethernet packet
4300 * into 802.11. Also note that we don't release the FID since we
4301 * will be using the same one over and over again. */
4302 /* We only have to setup the control once since we are not
4303 * releasing the fid. */
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4308 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4309 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4310 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4313 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4321 /* In general BAP1 is dedicated to transmiting packets. However,
4322 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4323 Make sure the BAP1 spinlock is held when this is called. */
4324 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4335 if (len <= ETH_ALEN * 2) {
4336 airo_print_warn(ai->dev->name, "Short packet %d", len);
4339 len -= ETH_ALEN * 2;
4341 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4342 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4343 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4345 miclen = sizeof(pMic);
4347 // packet is destination[6], source[6], payload[len-12]
4348 // write the payload length and dst/src/payload
4349 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4350 /* The hardware addresses aren't counted as part of the payload, so
4351 * we have to subtract the 12 bytes for the addresses off */
4352 payloadLen = cpu_to_le16(len + miclen);
4353 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4354 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4356 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4357 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4358 // issue the transmit command
4359 memset( &cmd, 0, sizeof( cmd ) );
4360 cmd.cmd = CMD_TRANSMIT;
4362 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4363 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4367 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4369 __le16 fc, payloadLen;
4373 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4374 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4378 fc = *(__le16*)pPacket;
4379 hdrlen = header_len(fc);
4382 airo_print_warn(ai->dev->name, "Short packet %d", len);
4386 /* packet is 802.11 header + payload
4387 * write the payload length and dst/src/payload */
4388 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4389 /* The 802.11 header aren't counted as part of the payload, so
4390 * we have to subtract the header bytes off */
4391 payloadLen = cpu_to_le16(len-hdrlen);
4392 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4393 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4394 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4395 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4397 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4398 // issue the transmit command
4399 memset( &cmd, 0, sizeof( cmd ) );
4400 cmd.cmd = CMD_TRANSMIT;
4402 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4403 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4408 * This is the proc_fs routines. It is a bit messier than I would
4409 * like! Feel free to clean it up!
4412 static ssize_t proc_read( struct file *file,
4413 char __user *buffer,
4417 static ssize_t proc_write( struct file *file,
4418 const char __user *buffer,
4421 static int proc_close( struct inode *inode, struct file *file );
4423 static int proc_stats_open( struct inode *inode, struct file *file );
4424 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4425 static int proc_status_open( struct inode *inode, struct file *file );
4426 static int proc_SSID_open( struct inode *inode, struct file *file );
4427 static int proc_APList_open( struct inode *inode, struct file *file );
4428 static int proc_BSSList_open( struct inode *inode, struct file *file );
4429 static int proc_config_open( struct inode *inode, struct file *file );
4430 static int proc_wepkey_open( struct inode *inode, struct file *file );
4432 static const struct file_operations proc_statsdelta_ops = {
4433 .owner = THIS_MODULE,
4435 .open = proc_statsdelta_open,
4436 .release = proc_close,
4437 .llseek = default_llseek,
4440 static const struct file_operations proc_stats_ops = {
4441 .owner = THIS_MODULE,
4443 .open = proc_stats_open,
4444 .release = proc_close,
4445 .llseek = default_llseek,
4448 static const struct file_operations proc_status_ops = {
4449 .owner = THIS_MODULE,
4451 .open = proc_status_open,
4452 .release = proc_close,
4453 .llseek = default_llseek,
4456 static const struct file_operations proc_SSID_ops = {
4457 .owner = THIS_MODULE,
4459 .write = proc_write,
4460 .open = proc_SSID_open,
4461 .release = proc_close,
4462 .llseek = default_llseek,
4465 static const struct file_operations proc_BSSList_ops = {
4466 .owner = THIS_MODULE,
4468 .write = proc_write,
4469 .open = proc_BSSList_open,
4470 .release = proc_close,
4471 .llseek = default_llseek,
4474 static const struct file_operations proc_APList_ops = {
4475 .owner = THIS_MODULE,
4477 .write = proc_write,
4478 .open = proc_APList_open,
4479 .release = proc_close,
4480 .llseek = default_llseek,
4483 static const struct file_operations proc_config_ops = {
4484 .owner = THIS_MODULE,
4486 .write = proc_write,
4487 .open = proc_config_open,
4488 .release = proc_close,
4489 .llseek = default_llseek,
4492 static const struct file_operations proc_wepkey_ops = {
4493 .owner = THIS_MODULE,
4495 .write = proc_write,
4496 .open = proc_wepkey_open,
4497 .release = proc_close,
4498 .llseek = default_llseek,
4501 static struct proc_dir_entry *airo_entry;
4510 void (*on_close) (struct inode *, struct file *);
4513 static int setup_proc_entry( struct net_device *dev,
4514 struct airo_info *apriv ) {
4515 struct proc_dir_entry *entry;
4517 /* First setup the device directory */
4518 strcpy(apriv->proc_name,dev->name);
4519 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4521 if (!apriv->proc_entry)
4523 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4525 /* Setup the StatsDelta */
4526 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4527 apriv->proc_entry, &proc_statsdelta_ops, dev);
4530 proc_set_user(entry, proc_kuid, proc_kgid);
4532 /* Setup the Stats */
4533 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4534 apriv->proc_entry, &proc_stats_ops, dev);
4537 proc_set_user(entry, proc_kuid, proc_kgid);
4539 /* Setup the Status */
4540 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4541 apriv->proc_entry, &proc_status_ops, dev);
4544 proc_set_user(entry, proc_kuid, proc_kgid);
4546 /* Setup the Config */
4547 entry = proc_create_data("Config", proc_perm,
4548 apriv->proc_entry, &proc_config_ops, dev);
4551 proc_set_user(entry, proc_kuid, proc_kgid);
4553 /* Setup the SSID */
4554 entry = proc_create_data("SSID", proc_perm,
4555 apriv->proc_entry, &proc_SSID_ops, dev);
4558 proc_set_user(entry, proc_kuid, proc_kgid);
4560 /* Setup the APList */
4561 entry = proc_create_data("APList", proc_perm,
4562 apriv->proc_entry, &proc_APList_ops, dev);
4565 proc_set_user(entry, proc_kuid, proc_kgid);
4567 /* Setup the BSSList */
4568 entry = proc_create_data("BSSList", proc_perm,
4569 apriv->proc_entry, &proc_BSSList_ops, dev);
4572 proc_set_user(entry, proc_kuid, proc_kgid);
4574 /* Setup the WepKey */
4575 entry = proc_create_data("WepKey", proc_perm,
4576 apriv->proc_entry, &proc_wepkey_ops, dev);
4579 proc_set_user(entry, proc_kuid, proc_kgid);
4583 remove_proc_subtree(apriv->proc_name, airo_entry);
4587 static int takedown_proc_entry( struct net_device *dev,
4588 struct airo_info *apriv )
4590 remove_proc_subtree(apriv->proc_name, airo_entry);
4595 * What we want from the proc_fs is to be able to efficiently read
4596 * and write the configuration. To do this, we want to read the
4597 * configuration when the file is opened and write it when the file is
4598 * closed. So basically we allocate a read buffer at open and fill it
4599 * with data, and allocate a write buffer and read it at close.
4603 * The read routine is generic, it relies on the preallocated rbuffer
4604 * to supply the data.
4606 static ssize_t proc_read( struct file *file,
4607 char __user *buffer,
4611 struct proc_data *priv = file->private_data;
4616 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4621 * The write routine is generic, it fills in a preallocated rbuffer
4622 * to supply the data.
4624 static ssize_t proc_write( struct file *file,
4625 const char __user *buffer,
4630 struct proc_data *priv = file->private_data;
4635 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4638 priv->writelen = max_t(int, priv->writelen, *offset);
4643 static int proc_status_open(struct inode *inode, struct file *file)
4645 struct proc_data *data;
4646 struct net_device *dev = PDE_DATA(inode);
4647 struct airo_info *apriv = dev->ml_priv;
4648 CapabilityRid cap_rid;
4649 StatusRid status_rid;
4653 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4655 data = file->private_data;
4656 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4657 kfree (file->private_data);
4661 readStatusRid(apriv, &status_rid, 1);
4662 readCapabilityRid(apriv, &cap_rid, 1);
4664 mode = le16_to_cpu(status_rid.mode);
4666 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4667 mode & 1 ? "CFG ": "",
4668 mode & 2 ? "ACT ": "",
4669 mode & 0x10 ? "SYN ": "",
4670 mode & 0x20 ? "LNK ": "",
4671 mode & 0x40 ? "LEAP ": "",
4672 mode & 0x80 ? "PRIV ": "",
4673 mode & 0x100 ? "KEY ": "",
4674 mode & 0x200 ? "WEP ": "",
4675 mode & 0x8000 ? "ERR ": "");
4676 sprintf( data->rbuffer+i, "Mode: %x\n"
4677 "Signal Strength: %d\n"
4678 "Signal Quality: %d\n"
4683 "Driver Version: %s\n"
4684 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4685 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4686 "Software Version: %x\nSoftware Subversion: %x\n"
4687 "Boot block version: %x\n",
4688 le16_to_cpu(status_rid.mode),
4689 le16_to_cpu(status_rid.normalizedSignalStrength),
4690 le16_to_cpu(status_rid.signalQuality),
4691 le16_to_cpu(status_rid.SSIDlen),
4694 le16_to_cpu(status_rid.channel),
4695 le16_to_cpu(status_rid.currentXmitRate) / 2,
4700 le16_to_cpu(cap_rid.radioType),
4701 le16_to_cpu(cap_rid.country),
4702 le16_to_cpu(cap_rid.hardVer),
4703 le16_to_cpu(cap_rid.softVer),
4704 le16_to_cpu(cap_rid.softSubVer),
4705 le16_to_cpu(cap_rid.bootBlockVer));
4706 data->readlen = strlen( data->rbuffer );
4710 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4711 static int proc_statsdelta_open( struct inode *inode,
4712 struct file *file ) {
4713 if (file->f_mode&FMODE_WRITE) {
4714 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4716 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4719 static int proc_stats_open( struct inode *inode, struct file *file ) {
4720 return proc_stats_rid_open(inode, file, RID_STATS);
4723 static int proc_stats_rid_open( struct inode *inode,
4727 struct proc_data *data;
4728 struct net_device *dev = PDE_DATA(inode);
4729 struct airo_info *apriv = dev->ml_priv;
4732 __le32 *vals = stats.vals;
4735 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4737 data = file->private_data;
4738 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4739 kfree (file->private_data);
4743 readStatsRid(apriv, &stats, rid, 1);
4744 len = le16_to_cpu(stats.len);
4747 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4748 if (!statsLabels[i]) continue;
4749 if (j+strlen(statsLabels[i])+16>4096) {
4750 airo_print_warn(apriv->dev->name,
4751 "Potentially disastrous buffer overflow averted!");
4754 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4755 le32_to_cpu(vals[i]));
4758 airo_print_warn(apriv->dev->name, "Got a short rid");
4764 static int get_dec_u16( char *buffer, int *start, int limit ) {
4767 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4768 buffer[*start] <= '9'; (*start)++) {
4771 value += buffer[*start] - '0';
4773 if ( !valid ) return -1;
4777 static int airo_config_commit(struct net_device *dev,
4778 struct iw_request_info *info, void *zwrq,
4781 static inline int sniffing_mode(struct airo_info *ai)
4783 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4784 le16_to_cpu(RXMODE_RFMON);
4787 static void proc_config_on_close(struct inode *inode, struct file *file)
4789 struct proc_data *data = file->private_data;
4790 struct net_device *dev = PDE_DATA(inode);
4791 struct airo_info *ai = dev->ml_priv;
4794 if ( !data->writelen ) return;
4796 readConfigRid(ai, 1);
4797 set_bit (FLAG_COMMIT, &ai->flags);
4799 line = data->wbuffer;
4801 /*** Mode processing */
4802 if ( !strncmp( line, "Mode: ", 6 ) ) {
4804 if (sniffing_mode(ai))
4805 set_bit (FLAG_RESET, &ai->flags);
4806 ai->config.rmode &= ~RXMODE_FULL_MASK;
4807 clear_bit (FLAG_802_11, &ai->flags);
4808 ai->config.opmode &= ~MODE_CFG_MASK;
4809 ai->config.scanMode = SCANMODE_ACTIVE;
4810 if ( line[0] == 'a' ) {
4811 ai->config.opmode |= MODE_STA_IBSS;
4813 ai->config.opmode |= MODE_STA_ESS;
4814 if ( line[0] == 'r' ) {
4815 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4816 ai->config.scanMode = SCANMODE_PASSIVE;
4817 set_bit (FLAG_802_11, &ai->flags);
4818 } else if ( line[0] == 'y' ) {
4819 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4820 ai->config.scanMode = SCANMODE_PASSIVE;
4821 set_bit (FLAG_802_11, &ai->flags);
4822 } else if ( line[0] == 'l' )
4823 ai->config.rmode |= RXMODE_LANMON;
4825 set_bit (FLAG_COMMIT, &ai->flags);
4828 /*** Radio status */
4829 else if (!strncmp(line,"Radio: ", 7)) {
4831 if (!strncmp(line,"off",3)) {
4832 set_bit (FLAG_RADIO_OFF, &ai->flags);
4834 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4837 /*** NodeName processing */
4838 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4842 memset( ai->config.nodeName, 0, 16 );
4843 /* Do the name, assume a space between the mode and node name */
4844 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4845 ai->config.nodeName[j] = line[j];
4847 set_bit (FLAG_COMMIT, &ai->flags);
4850 /*** PowerMode processing */
4851 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4853 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4854 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4855 set_bit (FLAG_COMMIT, &ai->flags);
4856 } else if ( !strncmp( line, "PSP", 3 ) ) {
4857 ai->config.powerSaveMode = POWERSAVE_PSP;
4858 set_bit (FLAG_COMMIT, &ai->flags);
4860 ai->config.powerSaveMode = POWERSAVE_CAM;
4861 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4864 int v, i = 0, k = 0; /* i is index into line,
4865 k is index to rates */
4868 while((v = get_dec_u16(line, &i, 3))!=-1) {
4869 ai->config.rates[k++] = (u8)v;
4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4877 v = get_dec_u16(line, &i, i+3);
4879 ai->config.channelSet = cpu_to_le16(v);
4880 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4885 v = get_dec_u16(line, &i, i+3);
4887 ai->config.txPower = cpu_to_le16(v);
4888 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4894 set_auth_type(ai, AUTH_SHAREDKEY);
4897 set_auth_type(ai, AUTH_ENCRYPT);
4900 set_auth_type(ai, AUTH_OPEN);
4903 set_bit (FLAG_COMMIT, &ai->flags);
4904 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4908 v = get_dec_u16(line, &i, 3);
4909 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4910 ai->config.longRetryLimit = cpu_to_le16(v);
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4916 v = get_dec_u16(line, &i, 3);
4917 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4918 ai->config.shortRetryLimit = cpu_to_le16(v);
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4924 v = get_dec_u16(line, &i, 4);
4925 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4926 ai->config.rtsThres = cpu_to_le16(v);
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4932 v = get_dec_u16(line, &i, 5);
4934 ai->config.txLifetime = cpu_to_le16(v);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4940 v = get_dec_u16(line, &i, 5);
4942 ai->config.rxLifetime = cpu_to_le16(v);
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4945 ai->config.txDiversity =
4946 (line[13]=='l') ? 1 :
4947 ((line[13]=='r')? 2: 3);
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4950 ai->config.rxDiversity =
4951 (line[13]=='l') ? 1 :
4952 ((line[13]=='r')? 2: 3);
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4958 v = get_dec_u16(line, &i, 4);
4959 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4960 v = v & 0xfffe; /* Make sure its even */
4961 ai->config.fragThresh = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if (!strncmp(line, "Modulation: ", 12)) {
4966 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4967 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4968 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4969 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4971 } else if (!strncmp(line, "Preamble: ", 10)) {
4974 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4976 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4977 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4980 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4982 while( line[0] && line[0] != '\n' ) line++;
4983 if ( line[0] ) line++;
4985 airo_config_commit(dev, NULL, NULL, NULL);
4988 static const char *get_rmode(__le16 mode)
4990 switch(mode & RXMODE_MASK) {
4991 case RXMODE_RFMON: return "rfmon";
4992 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4993 case RXMODE_LANMON: return "lanmon";
4998 static int proc_config_open(struct inode *inode, struct file *file)
5000 struct proc_data *data;
5001 struct net_device *dev = PDE_DATA(inode);
5002 struct airo_info *ai = dev->ml_priv;
5006 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5008 data = file->private_data;
5009 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5010 kfree (file->private_data);
5013 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5014 kfree (data->rbuffer);
5015 kfree (file->private_data);
5018 data->maxwritelen = 2048;
5019 data->on_close = proc_config_on_close;
5021 readConfigRid(ai, 1);
5023 mode = ai->config.opmode & MODE_CFG_MASK;
5024 i = sprintf( data->rbuffer,
5029 "DataRates: %d %d %d %d %d %d %d %d\n"
5032 mode == MODE_STA_IBSS ? "adhoc" :
5033 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5034 mode == MODE_AP ? "AP" :
5035 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5036 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5037 ai->config.nodeName,
5038 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5039 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5040 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5042 (int)ai->config.rates[0],
5043 (int)ai->config.rates[1],
5044 (int)ai->config.rates[2],
5045 (int)ai->config.rates[3],
5046 (int)ai->config.rates[4],
5047 (int)ai->config.rates[5],
5048 (int)ai->config.rates[6],
5049 (int)ai->config.rates[7],
5050 le16_to_cpu(ai->config.channelSet),
5051 le16_to_cpu(ai->config.txPower)
5053 sprintf( data->rbuffer + i,
5054 "LongRetryLimit: %d\n"
5055 "ShortRetryLimit: %d\n"
5056 "RTSThreshold: %d\n"
5057 "TXMSDULifetime: %d\n"
5058 "RXMSDULifetime: %d\n"
5061 "FragThreshold: %d\n"
5065 le16_to_cpu(ai->config.longRetryLimit),
5066 le16_to_cpu(ai->config.shortRetryLimit),
5067 le16_to_cpu(ai->config.rtsThres),
5068 le16_to_cpu(ai->config.txLifetime),
5069 le16_to_cpu(ai->config.rxLifetime),
5070 ai->config.txDiversity == 1 ? "left" :
5071 ai->config.txDiversity == 2 ? "right" : "both",
5072 ai->config.rxDiversity == 1 ? "left" :
5073 ai->config.rxDiversity == 2 ? "right" : "both",
5074 le16_to_cpu(ai->config.fragThresh),
5075 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5076 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5077 ai->config.modulation == MOD_DEFAULT ? "default" :
5078 ai->config.modulation == MOD_CCK ? "cck" :
5079 ai->config.modulation == MOD_MOK ? "mok" : "error",
5080 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5081 ai->config.preamble == PREAMBLE_LONG ? "long" :
5082 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5084 data->readlen = strlen( data->rbuffer );
5088 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5090 struct proc_data *data = file->private_data;
5091 struct net_device *dev = PDE_DATA(inode);
5092 struct airo_info *ai = dev->ml_priv;
5095 char *p = data->wbuffer;
5096 char *end = p + data->writelen;
5098 if (!data->writelen)
5101 *end = '\n'; /* sentinel; we have space for it */
5103 memset(&SSID_rid, 0, sizeof(SSID_rid));
5105 for (i = 0; i < 3 && p < end; i++) {
5107 /* copy up to 32 characters from this line */
5108 while (*p != '\n' && j < 32)
5109 SSID_rid.ssids[i].ssid[j++] = *p++;
5112 SSID_rid.ssids[i].len = cpu_to_le16(j);
5113 /* skip to the beginning of the next line */
5114 while (*p++ != '\n')
5118 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5120 writeSsidRid(ai, &SSID_rid, 1);
5124 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5125 struct proc_data *data = file->private_data;
5126 struct net_device *dev = PDE_DATA(inode);
5127 struct airo_info *ai = dev->ml_priv;
5128 APListRid APList_rid;
5131 if ( !data->writelen ) return;
5133 memset( &APList_rid, 0, sizeof(APList_rid) );
5134 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5136 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5138 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5141 APList_rid.ap[i][j/3]=
5142 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5145 APList_rid.ap[i][j/3]|=
5146 hex_to_bin(data->wbuffer[j+i*6*3]);
5152 writeAPListRid(ai, &APList_rid, 1);
5156 /* This function wraps PC4500_writerid with a MAC disable */
5157 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5158 int len, int dummy ) {
5162 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5167 /* Returns the WEP key at the specified index, or -1 if that key does
5168 * not exist. The buffer is assumed to be at least 16 bytes in length.
5170 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5176 rc = readWepKeyRid(ai, &wkr, 1, 1);
5180 lastindex = wkr.kindex;
5181 if (le16_to_cpu(wkr.kindex) == index) {
5182 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5183 memcpy(buf, wkr.key, klen);
5186 rc = readWepKeyRid(ai, &wkr, 0, 1);
5189 } while (lastindex != wkr.kindex);
5193 static int get_wep_tx_idx(struct airo_info *ai)
5199 rc = readWepKeyRid(ai, &wkr, 1, 1);
5203 lastindex = wkr.kindex;
5204 if (wkr.kindex == cpu_to_le16(0xffff))
5206 rc = readWepKeyRid(ai, &wkr, 0, 1);
5209 } while (lastindex != wkr.kindex);
5213 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5214 u16 keylen, int perm, int lock)
5216 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5220 if (WARN_ON(keylen == 0))
5223 memset(&wkr, 0, sizeof(wkr));
5224 wkr.len = cpu_to_le16(sizeof(wkr));
5225 wkr.kindex = cpu_to_le16(index);
5226 wkr.klen = cpu_to_le16(keylen);
5227 memcpy(wkr.key, key, keylen);
5228 memcpy(wkr.mac, macaddr, ETH_ALEN);
5230 if (perm) disable_MAC(ai, lock);
5231 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5232 if (perm) enable_MAC(ai, lock);
5236 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5241 memset(&wkr, 0, sizeof(wkr));
5242 wkr.len = cpu_to_le16(sizeof(wkr));
5243 wkr.kindex = cpu_to_le16(0xffff);
5244 wkr.mac[0] = (char)index;
5247 ai->defindex = (char)index;
5248 disable_MAC(ai, lock);
5251 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5254 enable_MAC(ai, lock);
5258 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5259 struct proc_data *data;
5260 struct net_device *dev = PDE_DATA(inode);
5261 struct airo_info *ai = dev->ml_priv;
5267 memset(key, 0, sizeof(key));
5269 data = file->private_data;
5270 if ( !data->writelen ) return;
5272 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5273 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5274 index = data->wbuffer[0] - '0';
5275 if (data->wbuffer[1] == '\n') {
5276 rc = set_wep_tx_idx(ai, index, 1, 1);
5278 airo_print_err(ai->dev->name, "failed to set "
5279 "WEP transmit index to %d: %d.",
5286 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5290 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5293 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5296 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5301 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5303 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5304 "%d: %d.", index, rc);
5308 static int proc_wepkey_open( struct inode *inode, struct file *file )
5310 struct proc_data *data;
5311 struct net_device *dev = PDE_DATA(inode);
5312 struct airo_info *ai = dev->ml_priv;
5319 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5321 memset(&wkr, 0, sizeof(wkr));
5322 data = file->private_data;
5323 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5324 kfree (file->private_data);
5328 data->maxwritelen = 80;
5329 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5330 kfree (data->rbuffer);
5331 kfree (file->private_data);
5334 data->on_close = proc_wepkey_on_close;
5336 ptr = data->rbuffer;
5337 strcpy(ptr, "No wep keys\n");
5338 rc = readWepKeyRid(ai, &wkr, 1, 1);
5339 if (rc == SUCCESS) do {
5340 lastindex = wkr.kindex;
5341 if (wkr.kindex == cpu_to_le16(0xffff)) {
5342 j += sprintf(ptr+j, "Tx key = %d\n",
5345 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5346 le16_to_cpu(wkr.kindex),
5347 le16_to_cpu(wkr.klen));
5349 readWepKeyRid(ai, &wkr, 0, 1);
5350 } while((lastindex != wkr.kindex) && (j < 180-30));
5352 data->readlen = strlen( data->rbuffer );
5356 static int proc_SSID_open(struct inode *inode, struct file *file)
5358 struct proc_data *data;
5359 struct net_device *dev = PDE_DATA(inode);
5360 struct airo_info *ai = dev->ml_priv;
5365 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5367 data = file->private_data;
5368 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5369 kfree (file->private_data);
5373 data->maxwritelen = 33*3;
5374 /* allocate maxwritelen + 1; we'll want a sentinel */
5375 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5376 kfree (data->rbuffer);
5377 kfree (file->private_data);
5380 data->on_close = proc_SSID_on_close;
5382 readSsidRid(ai, &SSID_rid);
5383 ptr = data->rbuffer;
5384 for (i = 0; i < 3; i++) {
5386 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5391 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5392 *ptr++ = SSID_rid.ssids[i].ssid[j];
5396 data->readlen = strlen( data->rbuffer );
5400 static int proc_APList_open( struct inode *inode, struct file *file ) {
5401 struct proc_data *data;
5402 struct net_device *dev = PDE_DATA(inode);
5403 struct airo_info *ai = dev->ml_priv;
5406 APListRid APList_rid;
5408 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5410 data = file->private_data;
5411 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5412 kfree (file->private_data);
5416 data->maxwritelen = 4*6*3;
5417 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5418 kfree (data->rbuffer);
5419 kfree (file->private_data);
5422 data->on_close = proc_APList_on_close;
5424 readAPListRid(ai, &APList_rid);
5425 ptr = data->rbuffer;
5426 for( i = 0; i < 4; i++ ) {
5427 // We end when we find a zero MAC
5428 if ( !*(int*)APList_rid.ap[i] &&
5429 !*(int*)&APList_rid.ap[i][2]) break;
5430 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5432 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5435 data->readlen = strlen( data->rbuffer );
5439 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5440 struct proc_data *data;
5441 struct net_device *dev = PDE_DATA(inode);
5442 struct airo_info *ai = dev->ml_priv;
5444 BSSListRid BSSList_rid;
5446 /* If doLoseSync is not 1, we won't do a Lose Sync */
5447 int doLoseSync = -1;
5449 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5451 data = file->private_data;
5452 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5453 kfree (file->private_data);
5457 data->maxwritelen = 0;
5458 data->wbuffer = NULL;
5459 data->on_close = NULL;
5461 if (file->f_mode & FMODE_WRITE) {
5462 if (!(file->f_mode & FMODE_READ)) {
5466 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5467 memset(&cmd, 0, sizeof(cmd));
5468 cmd.cmd=CMD_LISTBSS;
5469 if (down_interruptible(&ai->sem))
5470 return -ERESTARTSYS;
5471 issuecommand(ai, &cmd, &rsp);
5478 ptr = data->rbuffer;
5479 /* There is a race condition here if there are concurrent opens.
5480 Since it is a rare condition, we'll just live with it, otherwise
5481 we have to add a spin lock... */
5482 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5483 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5484 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5486 (int)BSSList_rid.ssidLen,
5488 le16_to_cpu(BSSList_rid.dBm));
5489 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5490 le16_to_cpu(BSSList_rid.dsChannel),
5491 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5492 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5493 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5494 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5495 rc = readBSSListRid(ai, 0, &BSSList_rid);
5498 data->readlen = strlen( data->rbuffer );
5502 static int proc_close( struct inode *inode, struct file *file )
5504 struct proc_data *data = file->private_data;
5506 if (data->on_close != NULL)
5507 data->on_close(inode, file);
5508 kfree(data->rbuffer);
5509 kfree(data->wbuffer);
5514 /* Since the card doesn't automatically switch to the right WEP mode,
5515 we will make it do it. If the card isn't associated, every secs we
5516 will switch WEP modes to see if that will help. If the card is
5517 associated we will check every minute to see if anything has
5519 static void timer_func( struct net_device *dev ) {
5520 struct airo_info *apriv = dev->ml_priv;
5522 /* We don't have a link so try changing the authtype */
5523 readConfigRid(apriv, 0);
5524 disable_MAC(apriv, 0);
5525 switch(apriv->config.authType) {
5527 /* So drop to OPEN */
5528 apriv->config.authType = AUTH_OPEN;
5530 case AUTH_SHAREDKEY:
5531 if (apriv->keyindex < auto_wep) {
5532 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5533 apriv->config.authType = AUTH_SHAREDKEY;
5536 /* Drop to ENCRYPT */
5537 apriv->keyindex = 0;
5538 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5539 apriv->config.authType = AUTH_ENCRYPT;
5542 default: /* We'll escalate to SHAREDKEY */
5543 apriv->config.authType = AUTH_SHAREDKEY;
5545 set_bit (FLAG_COMMIT, &apriv->flags);
5546 writeConfigRid(apriv, 0);
5547 enable_MAC(apriv, 0);
5550 /* Schedule check to see if the change worked */
5551 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5552 apriv->expires = RUN_AT(HZ*3);
5556 static int airo_pci_probe(struct pci_dev *pdev,
5557 const struct pci_device_id *pent)
5559 struct net_device *dev;
5561 if (pci_enable_device(pdev))
5563 pci_set_master(pdev);
5565 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5566 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5568 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5570 pci_disable_device(pdev);
5574 pci_set_drvdata(pdev, dev);
5578 static void airo_pci_remove(struct pci_dev *pdev)
5580 struct net_device *dev = pci_get_drvdata(pdev);
5582 airo_print_info(dev->name, "Unregistering...");
5583 stop_airo_card(dev, 1);
5584 pci_disable_device(pdev);
5587 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5589 struct net_device *dev = pci_get_drvdata(pdev);
5590 struct airo_info *ai = dev->ml_priv;
5595 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5599 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5602 readAPListRid(ai, ai->APList);
5603 readSsidRid(ai, ai->SSID);
5604 memset(&cmd, 0, sizeof(cmd));
5605 /* the lock will be released at the end of the resume callback */
5606 if (down_interruptible(&ai->sem))
5609 netif_device_detach(dev);
5611 cmd.cmd = HOSTSLEEP;
5612 issuecommand(ai, &cmd, &rsp);
5614 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5615 pci_save_state(pdev);
5616 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5620 static int airo_pci_resume(struct pci_dev *pdev)
5622 struct net_device *dev = pci_get_drvdata(pdev);
5623 struct airo_info *ai = dev->ml_priv;
5624 pci_power_t prev_state = pdev->current_state;
5626 pci_set_power_state(pdev, PCI_D0);
5627 pci_restore_state(pdev);
5628 pci_enable_wake(pdev, PCI_D0, 0);
5630 if (prev_state != PCI_D1) {
5632 mpi_init_descriptors(ai);
5633 setup_card(ai, dev->dev_addr, 0);
5634 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5635 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5637 OUT4500(ai, EVACK, EV_AWAKEN);
5638 OUT4500(ai, EVACK, EV_AWAKEN);
5642 set_bit(FLAG_COMMIT, &ai->flags);
5646 writeSsidRid(ai, ai->SSID, 0);
5651 writeAPListRid(ai, ai->APList, 0);
5655 writeConfigRid(ai, 0);
5657 ai->power = PMSG_ON;
5658 netif_device_attach(dev);
5659 netif_wake_queue(dev);
5660 enable_interrupts(ai);
5666 static int __init airo_init_module( void )
5670 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5671 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5672 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5675 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5678 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5680 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5681 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5682 "io=0x%x", irq[i], io[i] );
5683 if (init_airo_card( irq[i], io[i], 0, NULL ))
5688 airo_print_info("", "Probing for PCI adapters");
5689 i = pci_register_driver(&airo_driver);
5690 airo_print_info("", "Finished probing for PCI adapters");
5693 remove_proc_entry("driver/aironet", NULL);
5698 /* Always exit with success, as we are a library module
5699 * as well as a driver module
5704 static void __exit airo_cleanup_module( void )
5706 struct airo_info *ai;
5707 while(!list_empty(&airo_devices)) {
5708 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5709 airo_print_info(ai->dev->name, "Unregistering...");
5710 stop_airo_card(ai->dev, 1);
5713 pci_unregister_driver(&airo_driver);
5715 remove_proc_entry("driver/aironet", NULL);
5719 * Initial Wireless Extension code for Aironet driver by :
5720 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5721 * Conversion to new driver API by :
5722 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5723 * Javier also did a good amount of work here, adding some new extensions
5724 * and fixing my code. Let's just say that without him this code just
5725 * would not work at all... - Jean II
5728 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5733 return (0x100 - rssi_rid[rssi].rssidBm);
5736 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5743 for (i = 0; i < 256; i++)
5744 if (rssi_rid[i].rssidBm == dbm)
5745 return rssi_rid[i].rssipct;
5751 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5756 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5759 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5762 sq = le16_to_cpu(status_rid->signalQuality);
5763 if (memcmp(cap_rid->prodName, "350", 3))
5767 quality = 0x20 - sq;
5774 quality = 0xb0 - sq;
5778 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5779 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5781 /*------------------------------------------------------------------*/
5783 * Wireless Handler : get protocol name
5785 static int airo_get_name(struct net_device *dev,
5786 struct iw_request_info *info,
5790 strcpy(cwrq, "IEEE 802.11-DS");
5794 /*------------------------------------------------------------------*/
5796 * Wireless Handler : set frequency
5798 static int airo_set_freq(struct net_device *dev,
5799 struct iw_request_info *info,
5800 struct iw_freq *fwrq,
5803 struct airo_info *local = dev->ml_priv;
5804 int rc = -EINPROGRESS; /* Call commit handler */
5806 /* If setting by frequency, convert to a channel */
5808 int f = fwrq->m / 100000;
5810 /* Hack to fall through... */
5812 fwrq->m = ieee80211_frequency_to_channel(f);
5814 /* Setting by channel number */
5815 if((fwrq->m > 1000) || (fwrq->e > 0))
5818 int channel = fwrq->m;
5819 /* We should do a better check than that,
5820 * based on the card capability !!! */
5821 if((channel < 1) || (channel > 14)) {
5822 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5826 readConfigRid(local, 1);
5827 /* Yes ! We can set it !!! */
5828 local->config.channelSet = cpu_to_le16(channel);
5829 set_bit (FLAG_COMMIT, &local->flags);
5835 /*------------------------------------------------------------------*/
5837 * Wireless Handler : get frequency
5839 static int airo_get_freq(struct net_device *dev,
5840 struct iw_request_info *info,
5841 struct iw_freq *fwrq,
5844 struct airo_info *local = dev->ml_priv;
5845 StatusRid status_rid; /* Card status info */
5848 readConfigRid(local, 1);
5849 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5850 status_rid.channel = local->config.channelSet;
5852 readStatusRid(local, &status_rid, 1);
5854 ch = le16_to_cpu(status_rid.channel);
5855 if((ch > 0) && (ch < 15)) {
5857 ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5867 /*------------------------------------------------------------------*/
5869 * Wireless Handler : set ESSID
5871 static int airo_set_essid(struct net_device *dev,
5872 struct iw_request_info *info,
5873 struct iw_point *dwrq,
5876 struct airo_info *local = dev->ml_priv;
5877 SsidRid SSID_rid; /* SSIDs */
5879 /* Reload the list of current SSID */
5880 readSsidRid(local, &SSID_rid);
5882 /* Check if we asked for `any' */
5883 if (dwrq->flags == 0) {
5884 /* Just send an empty SSID list */
5885 memset(&SSID_rid, 0, sizeof(SSID_rid));
5887 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5889 /* Check the size of the string */
5890 if (dwrq->length > IW_ESSID_MAX_SIZE)
5893 /* Check if index is valid */
5894 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5898 memset(SSID_rid.ssids[index].ssid, 0,
5899 sizeof(SSID_rid.ssids[index].ssid));
5900 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5901 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5903 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5904 /* Write it to the card */
5905 disable_MAC(local, 1);
5906 writeSsidRid(local, &SSID_rid, 1);
5907 enable_MAC(local, 1);
5912 /*------------------------------------------------------------------*/
5914 * Wireless Handler : get ESSID
5916 static int airo_get_essid(struct net_device *dev,
5917 struct iw_request_info *info,
5918 struct iw_point *dwrq,
5921 struct airo_info *local = dev->ml_priv;
5922 StatusRid status_rid; /* Card status info */
5924 readStatusRid(local, &status_rid, 1);
5926 /* Note : if dwrq->flags != 0, we should
5927 * get the relevant SSID from the SSID list... */
5929 /* Get the current SSID */
5930 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5931 /* If none, we may want to get the one that was set */
5934 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5935 dwrq->flags = 1; /* active */
5940 /*------------------------------------------------------------------*/
5942 * Wireless Handler : set AP address
5944 static int airo_set_wap(struct net_device *dev,
5945 struct iw_request_info *info,
5946 struct sockaddr *awrq,
5949 struct airo_info *local = dev->ml_priv;
5952 APListRid APList_rid;
5954 if (awrq->sa_family != ARPHRD_ETHER)
5956 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5957 is_zero_ether_addr(awrq->sa_data)) {
5958 memset(&cmd, 0, sizeof(cmd));
5959 cmd.cmd=CMD_LOSE_SYNC;
5960 if (down_interruptible(&local->sem))
5961 return -ERESTARTSYS;
5962 issuecommand(local, &cmd, &rsp);
5965 memset(&APList_rid, 0, sizeof(APList_rid));
5966 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5967 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5968 disable_MAC(local, 1);
5969 writeAPListRid(local, &APList_rid, 1);
5970 enable_MAC(local, 1);
5975 /*------------------------------------------------------------------*/
5977 * Wireless Handler : get AP address
5979 static int airo_get_wap(struct net_device *dev,
5980 struct iw_request_info *info,
5981 struct sockaddr *awrq,
5984 struct airo_info *local = dev->ml_priv;
5985 StatusRid status_rid; /* Card status info */
5987 readStatusRid(local, &status_rid, 1);
5989 /* Tentative. This seems to work, wow, I'm lucky !!! */
5990 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5991 awrq->sa_family = ARPHRD_ETHER;
5996 /*------------------------------------------------------------------*/
5998 * Wireless Handler : set Nickname
6000 static int airo_set_nick(struct net_device *dev,
6001 struct iw_request_info *info,
6002 struct iw_point *dwrq,
6005 struct airo_info *local = dev->ml_priv;
6007 /* Check the size of the string */
6008 if(dwrq->length > 16) {
6011 readConfigRid(local, 1);
6012 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6013 memcpy(local->config.nodeName, extra, dwrq->length);
6014 set_bit (FLAG_COMMIT, &local->flags);
6016 return -EINPROGRESS; /* Call commit handler */
6019 /*------------------------------------------------------------------*/
6021 * Wireless Handler : get Nickname
6023 static int airo_get_nick(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct iw_point *dwrq,
6028 struct airo_info *local = dev->ml_priv;
6030 readConfigRid(local, 1);
6031 strncpy(extra, local->config.nodeName, 16);
6033 dwrq->length = strlen(extra);
6038 /*------------------------------------------------------------------*/
6040 * Wireless Handler : set Bit-Rate
6042 static int airo_set_rate(struct net_device *dev,
6043 struct iw_request_info *info,
6044 struct iw_param *vwrq,
6047 struct airo_info *local = dev->ml_priv;
6048 CapabilityRid cap_rid; /* Card capability info */
6052 /* First : get a valid bit rate value */
6053 readCapabilityRid(local, &cap_rid, 1);
6055 /* Which type of value ? */
6056 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6057 /* Setting by rate index */
6058 /* Find value in the magic rate table */
6059 brate = cap_rid.supportedRates[vwrq->value];
6061 /* Setting by frequency value */
6062 u8 normvalue = (u8) (vwrq->value/500000);
6064 /* Check if rate is valid */
6065 for(i = 0 ; i < 8 ; i++) {
6066 if(normvalue == cap_rid.supportedRates[i]) {
6072 /* -1 designed the max rate (mostly auto mode) */
6073 if(vwrq->value == -1) {
6074 /* Get the highest available rate */
6075 for(i = 0 ; i < 8 ; i++) {
6076 if(cap_rid.supportedRates[i] == 0)
6080 brate = cap_rid.supportedRates[i - 1];
6082 /* Check that it is valid */
6087 readConfigRid(local, 1);
6088 /* Now, check if we want a fixed or auto value */
6089 if(vwrq->fixed == 0) {
6090 /* Fill all the rates up to this max rate */
6091 memset(local->config.rates, 0, 8);
6092 for(i = 0 ; i < 8 ; i++) {
6093 local->config.rates[i] = cap_rid.supportedRates[i];
6094 if(local->config.rates[i] == brate)
6099 /* One rate, fixed */
6100 memset(local->config.rates, 0, 8);
6101 local->config.rates[0] = brate;
6103 set_bit (FLAG_COMMIT, &local->flags);
6105 return -EINPROGRESS; /* Call commit handler */
6108 /*------------------------------------------------------------------*/
6110 * Wireless Handler : get Bit-Rate
6112 static int airo_get_rate(struct net_device *dev,
6113 struct iw_request_info *info,
6114 struct iw_param *vwrq,
6117 struct airo_info *local = dev->ml_priv;
6118 StatusRid status_rid; /* Card status info */
6120 readStatusRid(local, &status_rid, 1);
6122 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6123 /* If more than one rate, set auto */
6124 readConfigRid(local, 1);
6125 vwrq->fixed = (local->config.rates[1] == 0);
6130 /*------------------------------------------------------------------*/
6132 * Wireless Handler : set RTS threshold
6134 static int airo_set_rts(struct net_device *dev,
6135 struct iw_request_info *info,
6136 struct iw_param *vwrq,
6139 struct airo_info *local = dev->ml_priv;
6140 int rthr = vwrq->value;
6143 rthr = AIRO_DEF_MTU;
6144 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6147 readConfigRid(local, 1);
6148 local->config.rtsThres = cpu_to_le16(rthr);
6149 set_bit (FLAG_COMMIT, &local->flags);
6151 return -EINPROGRESS; /* Call commit handler */
6154 /*------------------------------------------------------------------*/
6156 * Wireless Handler : get RTS threshold
6158 static int airo_get_rts(struct net_device *dev,
6159 struct iw_request_info *info,
6160 struct iw_param *vwrq,
6163 struct airo_info *local = dev->ml_priv;
6165 readConfigRid(local, 1);
6166 vwrq->value = le16_to_cpu(local->config.rtsThres);
6167 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6173 /*------------------------------------------------------------------*/
6175 * Wireless Handler : set Fragmentation threshold
6177 static int airo_set_frag(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_param *vwrq,
6182 struct airo_info *local = dev->ml_priv;
6183 int fthr = vwrq->value;
6186 fthr = AIRO_DEF_MTU;
6187 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6190 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6191 readConfigRid(local, 1);
6192 local->config.fragThresh = cpu_to_le16(fthr);
6193 set_bit (FLAG_COMMIT, &local->flags);
6195 return -EINPROGRESS; /* Call commit handler */
6198 /*------------------------------------------------------------------*/
6200 * Wireless Handler : get Fragmentation threshold
6202 static int airo_get_frag(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6207 struct airo_info *local = dev->ml_priv;
6209 readConfigRid(local, 1);
6210 vwrq->value = le16_to_cpu(local->config.fragThresh);
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6217 /*------------------------------------------------------------------*/
6219 * Wireless Handler : set Mode of Operation
6221 static int airo_set_mode(struct net_device *dev,
6222 struct iw_request_info *info,
6226 struct airo_info *local = dev->ml_priv;
6229 readConfigRid(local, 1);
6230 if (sniffing_mode(local))
6235 local->config.opmode &= ~MODE_CFG_MASK;
6236 local->config.opmode |= MODE_STA_IBSS;
6237 local->config.rmode &= ~RXMODE_FULL_MASK;
6238 local->config.scanMode = SCANMODE_ACTIVE;
6239 clear_bit (FLAG_802_11, &local->flags);
6242 local->config.opmode &= ~MODE_CFG_MASK;
6243 local->config.opmode |= MODE_STA_ESS;
6244 local->config.rmode &= ~RXMODE_FULL_MASK;
6245 local->config.scanMode = SCANMODE_ACTIVE;
6246 clear_bit (FLAG_802_11, &local->flags);
6248 case IW_MODE_MASTER:
6249 local->config.opmode &= ~MODE_CFG_MASK;
6250 local->config.opmode |= MODE_AP;
6251 local->config.rmode &= ~RXMODE_FULL_MASK;
6252 local->config.scanMode = SCANMODE_ACTIVE;
6253 clear_bit (FLAG_802_11, &local->flags);
6255 case IW_MODE_REPEAT:
6256 local->config.opmode &= ~MODE_CFG_MASK;
6257 local->config.opmode |= MODE_AP_RPTR;
6258 local->config.rmode &= ~RXMODE_FULL_MASK;
6259 local->config.scanMode = SCANMODE_ACTIVE;
6260 clear_bit (FLAG_802_11, &local->flags);
6262 case IW_MODE_MONITOR:
6263 local->config.opmode &= ~MODE_CFG_MASK;
6264 local->config.opmode |= MODE_STA_ESS;
6265 local->config.rmode &= ~RXMODE_FULL_MASK;
6266 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6267 local->config.scanMode = SCANMODE_PASSIVE;
6268 set_bit (FLAG_802_11, &local->flags);
6274 set_bit (FLAG_RESET, &local->flags);
6275 set_bit (FLAG_COMMIT, &local->flags);
6277 return -EINPROGRESS; /* Call commit handler */
6280 /*------------------------------------------------------------------*/
6282 * Wireless Handler : get Mode of Operation
6284 static int airo_get_mode(struct net_device *dev,
6285 struct iw_request_info *info,
6289 struct airo_info *local = dev->ml_priv;
6291 readConfigRid(local, 1);
6292 /* If not managed, assume it's ad-hoc */
6293 switch (local->config.opmode & MODE_CFG_MASK) {
6295 *uwrq = IW_MODE_INFRA;
6298 *uwrq = IW_MODE_MASTER;
6301 *uwrq = IW_MODE_REPEAT;
6304 *uwrq = IW_MODE_ADHOC;
6310 static inline int valid_index(struct airo_info *ai, int index)
6312 return (index >= 0) && (index <= ai->max_wep_idx);
6315 /*------------------------------------------------------------------*/
6317 * Wireless Handler : set Encryption Key
6319 static int airo_set_encode(struct net_device *dev,
6320 struct iw_request_info *info,
6321 struct iw_point *dwrq,
6324 struct airo_info *local = dev->ml_priv;
6325 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6326 __le16 currentAuthType = local->config.authType;
6329 if (!local->wep_capable)
6332 readConfigRid(local, 1);
6334 /* Basic checking: do we have a key to set ?
6335 * Note : with the new API, it's impossible to get a NULL pointer.
6336 * Therefore, we need to check a key size == 0 instead.
6337 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6338 * when no key is present (only change flags), but older versions
6339 * don't do it. - Jean II */
6340 if (dwrq->length > 0) {
6342 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6345 /* Check the size of the key */
6346 if (dwrq->length > MAX_KEY_SIZE) {
6350 current_index = get_wep_tx_idx(local);
6351 if (current_index < 0)
6354 /* Check the index (none -> use current) */
6355 if (!valid_index(local, index))
6356 index = current_index;
6358 /* Set the length */
6359 if (dwrq->length > MIN_KEY_SIZE)
6360 key.len = MAX_KEY_SIZE;
6362 key.len = MIN_KEY_SIZE;
6363 /* Check if the key is not marked as invalid */
6364 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6366 memset(key.key, 0, MAX_KEY_SIZE);
6367 /* Copy the key in the driver */
6368 memcpy(key.key, extra, dwrq->length);
6369 /* Send the key to the card */
6370 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6372 airo_print_err(local->dev->name, "failed to set"
6373 " WEP key at index %d: %d.",
6378 /* WE specify that if a valid key is set, encryption
6379 * should be enabled (user may turn it off later)
6380 * This is also how "iwconfig ethX key on" works */
6381 if((index == current_index) && (key.len > 0) &&
6382 (local->config.authType == AUTH_OPEN))
6383 set_auth_type(local, AUTH_ENCRYPT);
6385 /* Do we want to just set the transmit key index ? */
6386 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 if (valid_index(local, index)) {
6388 rc = set_wep_tx_idx(local, index, perm, 1);
6390 airo_print_err(local->dev->name, "failed to set"
6391 " WEP transmit index to %d: %d.",
6396 /* Don't complain if only change the mode */
6397 if (!(dwrq->flags & IW_ENCODE_MODE))
6401 /* Read the flags */
6402 if (dwrq->flags & IW_ENCODE_DISABLED)
6403 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6404 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6405 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6406 if (dwrq->flags & IW_ENCODE_OPEN)
6407 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6408 /* Commit the changes to flags if needed */
6409 if (local->config.authType != currentAuthType)
6410 set_bit (FLAG_COMMIT, &local->flags);
6411 return -EINPROGRESS; /* Call commit handler */
6414 /*------------------------------------------------------------------*/
6416 * Wireless Handler : get Encryption Key
6418 static int airo_get_encode(struct net_device *dev,
6419 struct iw_request_info *info,
6420 struct iw_point *dwrq,
6423 struct airo_info *local = dev->ml_priv;
6424 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6428 if (!local->wep_capable)
6431 readConfigRid(local, 1);
6433 /* Check encryption mode */
6434 switch(local->config.authType) {
6436 dwrq->flags = IW_ENCODE_OPEN;
6438 case AUTH_SHAREDKEY:
6439 dwrq->flags = IW_ENCODE_RESTRICTED;
6443 dwrq->flags = IW_ENCODE_DISABLED;
6446 /* We can't return the key, so set the proper flag and return zero */
6447 dwrq->flags |= IW_ENCODE_NOKEY;
6448 memset(extra, 0, 16);
6450 /* Which key do we want ? -1 -> tx index */
6451 if (!valid_index(local, index)) {
6452 index = get_wep_tx_idx(local);
6456 dwrq->flags |= index + 1;
6458 /* Copy the key to the user buffer */
6459 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6460 if (wep_key_len < 0) {
6463 dwrq->length = wep_key_len;
6464 memcpy(extra, buf, dwrq->length);
6470 /*------------------------------------------------------------------*/
6472 * Wireless Handler : set extended Encryption parameters
6474 static int airo_set_encodeext(struct net_device *dev,
6475 struct iw_request_info *info,
6476 union iwreq_data *wrqu,
6479 struct airo_info *local = dev->ml_priv;
6480 struct iw_point *encoding = &wrqu->encoding;
6481 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6482 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6483 __le16 currentAuthType = local->config.authType;
6484 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6487 if (!local->wep_capable)
6490 readConfigRid(local, 1);
6492 /* Determine and validate the key index */
6493 idx = encoding->flags & IW_ENCODE_INDEX;
6495 if (!valid_index(local, idx - 1))
6499 idx = get_wep_tx_idx(local);
6504 if (encoding->flags & IW_ENCODE_DISABLED)
6505 alg = IW_ENCODE_ALG_NONE;
6507 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6508 /* Only set transmit key index here, actual
6509 * key is set below if needed.
6511 rc = set_wep_tx_idx(local, idx, perm, 1);
6513 airo_print_err(local->dev->name, "failed to set "
6514 "WEP transmit index to %d: %d.",
6518 set_key = ext->key_len > 0 ? 1 : 0;
6522 /* Set the requested key first */
6523 memset(key.key, 0, MAX_KEY_SIZE);
6525 case IW_ENCODE_ALG_NONE:
6528 case IW_ENCODE_ALG_WEP:
6529 if (ext->key_len > MIN_KEY_SIZE) {
6530 key.len = MAX_KEY_SIZE;
6531 } else if (ext->key_len > 0) {
6532 key.len = MIN_KEY_SIZE;
6536 key_len = min (ext->key_len, key.len);
6537 memcpy(key.key, ext->key, key_len);
6543 rc = set_wep_tx_idx(local, idx, perm, 1);
6545 airo_print_err(local->dev->name,
6546 "failed to set WEP transmit index to %d: %d.",
6551 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6553 airo_print_err(local->dev->name,
6554 "failed to set WEP key at index %d: %d.",
6561 /* Read the flags */
6562 if (encoding->flags & IW_ENCODE_DISABLED)
6563 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6564 if(encoding->flags & IW_ENCODE_RESTRICTED)
6565 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6566 if (encoding->flags & IW_ENCODE_OPEN)
6567 set_auth_type(local, AUTH_ENCRYPT);
6568 /* Commit the changes to flags if needed */
6569 if (local->config.authType != currentAuthType)
6570 set_bit (FLAG_COMMIT, &local->flags);
6572 return -EINPROGRESS;
6576 /*------------------------------------------------------------------*/
6578 * Wireless Handler : get extended Encryption parameters
6580 static int airo_get_encodeext(struct net_device *dev,
6581 struct iw_request_info *info,
6582 union iwreq_data *wrqu,
6585 struct airo_info *local = dev->ml_priv;
6586 struct iw_point *encoding = &wrqu->encoding;
6587 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6588 int idx, max_key_len, wep_key_len;
6591 if (!local->wep_capable)
6594 readConfigRid(local, 1);
6596 max_key_len = encoding->length - sizeof(*ext);
6597 if (max_key_len < 0)
6600 idx = encoding->flags & IW_ENCODE_INDEX;
6602 if (!valid_index(local, idx - 1))
6606 idx = get_wep_tx_idx(local);
6611 encoding->flags = idx + 1;
6612 memset(ext, 0, sizeof(*ext));
6614 /* Check encryption mode */
6615 switch(local->config.authType) {
6617 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6619 case AUTH_SHAREDKEY:
6620 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6624 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6627 /* We can't return the key, so set the proper flag and return zero */
6628 encoding->flags |= IW_ENCODE_NOKEY;
6629 memset(extra, 0, 16);
6631 /* Copy the key to the user buffer */
6632 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6633 if (wep_key_len < 0) {
6636 ext->key_len = wep_key_len;
6637 memcpy(extra, buf, ext->key_len);
6644 /*------------------------------------------------------------------*/
6646 * Wireless Handler : set extended authentication parameters
6648 static int airo_set_auth(struct net_device *dev,
6649 struct iw_request_info *info,
6650 union iwreq_data *wrqu, char *extra)
6652 struct airo_info *local = dev->ml_priv;
6653 struct iw_param *param = &wrqu->param;
6654 __le16 currentAuthType = local->config.authType;
6656 switch (param->flags & IW_AUTH_INDEX) {
6657 case IW_AUTH_WPA_VERSION:
6658 case IW_AUTH_CIPHER_PAIRWISE:
6659 case IW_AUTH_CIPHER_GROUP:
6660 case IW_AUTH_KEY_MGMT:
6661 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6662 case IW_AUTH_PRIVACY_INVOKED:
6664 * airo does not use these parameters
6668 case IW_AUTH_DROP_UNENCRYPTED:
6670 /* Only change auth type if unencrypted */
6671 if (currentAuthType == AUTH_OPEN)
6672 set_auth_type(local, AUTH_ENCRYPT);
6674 set_auth_type(local, AUTH_OPEN);
6677 /* Commit the changes to flags if needed */
6678 if (local->config.authType != currentAuthType)
6679 set_bit (FLAG_COMMIT, &local->flags);
6682 case IW_AUTH_80211_AUTH_ALG: {
6683 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6684 set_auth_type(local, AUTH_SHAREDKEY);
6685 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6686 /* We don't know here if WEP open system or
6687 * unencrypted mode was requested - so use the
6688 * last mode (of these two) used last time
6690 set_auth_type(local, local->last_auth);
6694 /* Commit the changes to flags if needed */
6695 if (local->config.authType != currentAuthType)
6696 set_bit (FLAG_COMMIT, &local->flags);
6700 case IW_AUTH_WPA_ENABLED:
6701 /* Silently accept disable of WPA */
6702 if (param->value > 0)
6709 return -EINPROGRESS;
6713 /*------------------------------------------------------------------*/
6715 * Wireless Handler : get extended authentication parameters
6717 static int airo_get_auth(struct net_device *dev,
6718 struct iw_request_info *info,
6719 union iwreq_data *wrqu, char *extra)
6721 struct airo_info *local = dev->ml_priv;
6722 struct iw_param *param = &wrqu->param;
6723 __le16 currentAuthType = local->config.authType;
6725 switch (param->flags & IW_AUTH_INDEX) {
6726 case IW_AUTH_DROP_UNENCRYPTED:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6738 case IW_AUTH_80211_AUTH_ALG:
6739 switch (currentAuthType) {
6740 case AUTH_SHAREDKEY:
6741 param->value = IW_AUTH_ALG_SHARED_KEY;
6745 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6750 case IW_AUTH_WPA_ENABLED:
6761 /*------------------------------------------------------------------*/
6763 * Wireless Handler : set Tx-Power
6765 static int airo_set_txpow(struct net_device *dev,
6766 struct iw_request_info *info,
6767 struct iw_param *vwrq,
6770 struct airo_info *local = dev->ml_priv;
6771 CapabilityRid cap_rid; /* Card capability info */
6774 __le16 v = cpu_to_le16(vwrq->value);
6776 readCapabilityRid(local, &cap_rid, 1);
6778 if (vwrq->disabled) {
6779 set_bit (FLAG_RADIO_OFF, &local->flags);
6780 set_bit (FLAG_COMMIT, &local->flags);
6781 return -EINPROGRESS; /* Call commit handler */
6783 if (vwrq->flags != IW_TXPOW_MWATT) {
6786 clear_bit (FLAG_RADIO_OFF, &local->flags);
6787 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6788 if (v == cap_rid.txPowerLevels[i]) {
6789 readConfigRid(local, 1);
6790 local->config.txPower = v;
6791 set_bit (FLAG_COMMIT, &local->flags);
6792 rc = -EINPROGRESS; /* Call commit handler */
6798 /*------------------------------------------------------------------*/
6800 * Wireless Handler : get Tx-Power
6802 static int airo_get_txpow(struct net_device *dev,
6803 struct iw_request_info *info,
6804 struct iw_param *vwrq,
6807 struct airo_info *local = dev->ml_priv;
6809 readConfigRid(local, 1);
6810 vwrq->value = le16_to_cpu(local->config.txPower);
6811 vwrq->fixed = 1; /* No power control */
6812 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6813 vwrq->flags = IW_TXPOW_MWATT;
6818 /*------------------------------------------------------------------*/
6820 * Wireless Handler : set Retry limits
6822 static int airo_set_retry(struct net_device *dev,
6823 struct iw_request_info *info,
6824 struct iw_param *vwrq,
6827 struct airo_info *local = dev->ml_priv;
6830 if(vwrq->disabled) {
6833 readConfigRid(local, 1);
6834 if(vwrq->flags & IW_RETRY_LIMIT) {
6835 __le16 v = cpu_to_le16(vwrq->value);
6836 if(vwrq->flags & IW_RETRY_LONG)
6837 local->config.longRetryLimit = v;
6838 else if (vwrq->flags & IW_RETRY_SHORT)
6839 local->config.shortRetryLimit = v;
6841 /* No modifier : set both */
6842 local->config.longRetryLimit = v;
6843 local->config.shortRetryLimit = v;
6845 set_bit (FLAG_COMMIT, &local->flags);
6846 rc = -EINPROGRESS; /* Call commit handler */
6848 if(vwrq->flags & IW_RETRY_LIFETIME) {
6849 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6850 set_bit (FLAG_COMMIT, &local->flags);
6851 rc = -EINPROGRESS; /* Call commit handler */
6856 /*------------------------------------------------------------------*/
6858 * Wireless Handler : get Retry limits
6860 static int airo_get_retry(struct net_device *dev,
6861 struct iw_request_info *info,
6862 struct iw_param *vwrq,
6865 struct airo_info *local = dev->ml_priv;
6867 vwrq->disabled = 0; /* Can't be disabled */
6869 readConfigRid(local, 1);
6870 /* Note : by default, display the min retry number */
6871 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6872 vwrq->flags = IW_RETRY_LIFETIME;
6873 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6874 } else if((vwrq->flags & IW_RETRY_LONG)) {
6875 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6876 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6878 vwrq->flags = IW_RETRY_LIMIT;
6879 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6880 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6881 vwrq->flags |= IW_RETRY_SHORT;
6887 /*------------------------------------------------------------------*/
6889 * Wireless Handler : get range info
6891 static int airo_get_range(struct net_device *dev,
6892 struct iw_request_info *info,
6893 struct iw_point *dwrq,
6896 struct airo_info *local = dev->ml_priv;
6897 struct iw_range *range = (struct iw_range *) extra;
6898 CapabilityRid cap_rid; /* Card capability info */
6902 readCapabilityRid(local, &cap_rid, 1);
6904 dwrq->length = sizeof(struct iw_range);
6905 memset(range, 0, sizeof(*range));
6906 range->min_nwid = 0x0000;
6907 range->max_nwid = 0x0000;
6908 range->num_channels = 14;
6909 /* Should be based on cap_rid.country to give only
6910 * what the current card support */
6912 for(i = 0; i < 14; i++) {
6913 range->freq[k].i = i + 1; /* List index */
6914 range->freq[k].m = 100000 *
6915 ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6916 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6918 range->num_frequency = k;
6920 range->sensitivity = 65535;
6922 /* Hum... Should put the right values there */
6924 range->max_qual.qual = 100; /* % */
6926 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6927 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6928 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6930 /* Experimental measurements - boundary 11/5.5 Mb/s */
6931 /* Note : with or without the (local->rssi), results
6932 * are somewhat different. - Jean II */
6934 range->avg_qual.qual = 50; /* % */
6935 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6937 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6938 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6940 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6942 for(i = 0 ; i < 8 ; i++) {
6943 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6944 if(range->bitrate[i] == 0)
6947 range->num_bitrates = i;
6949 /* Set an indication of the max TCP throughput
6950 * in bit/s that we can expect using this interface.
6951 * May be use for QoS stuff... Jean II */
6953 range->throughput = 5000 * 1000;
6955 range->throughput = 1500 * 1000;
6958 range->max_rts = AIRO_DEF_MTU;
6959 range->min_frag = 256;
6960 range->max_frag = AIRO_DEF_MTU;
6962 if(cap_rid.softCap & cpu_to_le16(2)) {
6964 range->encoding_size[0] = 5;
6966 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6967 range->encoding_size[1] = 13;
6968 range->num_encoding_sizes = 2;
6970 range->num_encoding_sizes = 1;
6971 range->max_encoding_tokens =
6972 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6974 range->num_encoding_sizes = 0;
6975 range->max_encoding_tokens = 0;
6978 range->max_pmp = 5000000; /* 5 secs */
6980 range->max_pmt = 65535 * 1024; /* ??? */
6981 range->pmp_flags = IW_POWER_PERIOD;
6982 range->pmt_flags = IW_POWER_TIMEOUT;
6983 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6985 /* Transmit Power - values are in mW */
6986 for(i = 0 ; i < 8 ; i++) {
6987 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6988 if(range->txpower[i] == 0)
6991 range->num_txpower = i;
6992 range->txpower_capa = IW_TXPOW_MWATT;
6993 range->we_version_source = 19;
6994 range->we_version_compiled = WIRELESS_EXT;
6995 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6996 range->retry_flags = IW_RETRY_LIMIT;
6997 range->r_time_flags = IW_RETRY_LIFETIME;
6998 range->min_retry = 1;
6999 range->max_retry = 65535;
7000 range->min_r_time = 1024;
7001 range->max_r_time = 65535 * 1024;
7003 /* Event capability (kernel + driver) */
7004 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7005 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7006 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7007 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7008 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7009 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7013 /*------------------------------------------------------------------*/
7015 * Wireless Handler : set Power Management
7017 static int airo_set_power(struct net_device *dev,
7018 struct iw_request_info *info,
7019 struct iw_param *vwrq,
7022 struct airo_info *local = dev->ml_priv;
7024 readConfigRid(local, 1);
7025 if (vwrq->disabled) {
7026 if (sniffing_mode(local))
7028 local->config.powerSaveMode = POWERSAVE_CAM;
7029 local->config.rmode &= ~RXMODE_MASK;
7030 local->config.rmode |= RXMODE_BC_MC_ADDR;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 return -EINPROGRESS; /* Call commit handler */
7034 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7035 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7036 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7037 set_bit (FLAG_COMMIT, &local->flags);
7038 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7039 local->config.fastListenInterval =
7040 local->config.listenInterval =
7041 cpu_to_le16((vwrq->value + 500) / 1024);
7042 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7043 set_bit (FLAG_COMMIT, &local->flags);
7045 switch (vwrq->flags & IW_POWER_MODE) {
7046 case IW_POWER_UNICAST_R:
7047 if (sniffing_mode(local))
7049 local->config.rmode &= ~RXMODE_MASK;
7050 local->config.rmode |= RXMODE_ADDR;
7051 set_bit (FLAG_COMMIT, &local->flags);
7053 case IW_POWER_ALL_R:
7054 if (sniffing_mode(local))
7056 local->config.rmode &= ~RXMODE_MASK;
7057 local->config.rmode |= RXMODE_BC_MC_ADDR;
7058 set_bit (FLAG_COMMIT, &local->flags);
7060 /* This is broken, fixme ;-) */
7065 // Note : we may want to factor local->need_commit here
7066 // Note2 : may also want to factor RXMODE_RFMON test
7067 return -EINPROGRESS; /* Call commit handler */
7070 /*------------------------------------------------------------------*/
7072 * Wireless Handler : get Power Management
7074 static int airo_get_power(struct net_device *dev,
7075 struct iw_request_info *info,
7076 struct iw_param *vwrq,
7079 struct airo_info *local = dev->ml_priv;
7082 readConfigRid(local, 1);
7083 mode = local->config.powerSaveMode;
7084 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7086 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7087 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7088 vwrq->flags = IW_POWER_TIMEOUT;
7090 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7091 vwrq->flags = IW_POWER_PERIOD;
7093 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7094 vwrq->flags |= IW_POWER_UNICAST_R;
7096 vwrq->flags |= IW_POWER_ALL_R;
7101 /*------------------------------------------------------------------*/
7103 * Wireless Handler : set Sensitivity
7105 static int airo_set_sens(struct net_device *dev,
7106 struct iw_request_info *info,
7107 struct iw_param *vwrq,
7110 struct airo_info *local = dev->ml_priv;
7112 readConfigRid(local, 1);
7113 local->config.rssiThreshold =
7114 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7115 set_bit (FLAG_COMMIT, &local->flags);
7117 return -EINPROGRESS; /* Call commit handler */
7120 /*------------------------------------------------------------------*/
7122 * Wireless Handler : get Sensitivity
7124 static int airo_get_sens(struct net_device *dev,
7125 struct iw_request_info *info,
7126 struct iw_param *vwrq,
7129 struct airo_info *local = dev->ml_priv;
7131 readConfigRid(local, 1);
7132 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7133 vwrq->disabled = (vwrq->value == 0);
7139 /*------------------------------------------------------------------*/
7141 * Wireless Handler : get AP List
7142 * Note : this is deprecated in favor of IWSCAN
7144 static int airo_get_aplist(struct net_device *dev,
7145 struct iw_request_info *info,
7146 struct iw_point *dwrq,
7149 struct airo_info *local = dev->ml_priv;
7150 struct sockaddr *address = (struct sockaddr *) extra;
7151 struct iw_quality *qual;
7154 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7156 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7160 for (i = 0; i < IW_MAX_AP; i++) {
7162 if (readBSSListRid(local, loseSync, &BSSList))
7165 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7166 address[i].sa_family = ARPHRD_ETHER;
7167 dBm = le16_to_cpu(BSSList.dBm);
7169 qual[i].level = 0x100 - dBm;
7170 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7171 qual[i].updated = IW_QUAL_QUAL_UPDATED
7172 | IW_QUAL_LEVEL_UPDATED
7175 qual[i].level = (dBm + 321) / 2;
7177 qual[i].updated = IW_QUAL_QUAL_INVALID
7178 | IW_QUAL_LEVEL_UPDATED
7181 qual[i].noise = local->wstats.qual.noise;
7182 if (BSSList.index == cpu_to_le16(0xffff))
7186 StatusRid status_rid; /* Card status info */
7187 readStatusRid(local, &status_rid, 1);
7189 i < min(IW_MAX_AP, 4) &&
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])!=0xff &&
7196 (status_rid.bssid[i][0]
7197 | status_rid.bssid[i][1]
7198 | status_rid.bssid[i][2]
7199 | status_rid.bssid[i][3]
7200 | status_rid.bssid[i][4]
7201 | status_rid.bssid[i][5]);
7203 memcpy(address[i].sa_data,
7204 status_rid.bssid[i], ETH_ALEN);
7205 address[i].sa_family = ARPHRD_ETHER;
7208 dwrq->flags = 1; /* Should be define'd */
7209 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7210 sizeof(struct iw_quality) * i);
7218 /*------------------------------------------------------------------*/
7220 * Wireless Handler : Initiate Scan
7222 static int airo_set_scan(struct net_device *dev,
7223 struct iw_request_info *info,
7224 struct iw_point *dwrq,
7227 struct airo_info *ai = dev->ml_priv;
7232 /* Note : you may have realised that, as this is a SET operation,
7233 * this is privileged and therefore a normal user can't
7235 * This is not an error, while the device perform scanning,
7236 * traffic doesn't flow, so it's a perfect DoS...
7238 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7240 if (down_interruptible(&ai->sem))
7241 return -ERESTARTSYS;
7243 /* If there's already a scan in progress, don't
7244 * trigger another one. */
7245 if (ai->scan_timeout > 0)
7248 /* Initiate a scan command */
7249 ai->scan_timeout = RUN_AT(3*HZ);
7250 memset(&cmd, 0, sizeof(cmd));
7251 cmd.cmd=CMD_LISTBSS;
7252 issuecommand(ai, &cmd, &rsp);
7258 wake_up_interruptible(&ai->thr_wait);
7262 /*------------------------------------------------------------------*/
7264 * Translate scan data returned from the card to a card independent
7265 * format that the Wireless Tools will understand - Jean II
7267 static inline char *airo_translate_scan(struct net_device *dev,
7268 struct iw_request_info *info,
7273 struct airo_info *ai = dev->ml_priv;
7274 struct iw_event iwe; /* Temporary buffer */
7275 __le16 capabilities;
7276 char * current_val; /* For rates */
7281 /* First entry *MUST* be the AP MAC address */
7282 iwe.cmd = SIOCGIWAP;
7283 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7284 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7285 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7286 &iwe, IW_EV_ADDR_LEN);
7288 /* Other entries will be displayed in the order we give them */
7291 iwe.u.data.length = bss->ssidLen;
7292 if(iwe.u.data.length > 32)
7293 iwe.u.data.length = 32;
7294 iwe.cmd = SIOCGIWESSID;
7295 iwe.u.data.flags = 1;
7296 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7300 iwe.cmd = SIOCGIWMODE;
7301 capabilities = bss->cap;
7302 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7303 if(capabilities & CAP_ESS)
7304 iwe.u.mode = IW_MODE_MASTER;
7306 iwe.u.mode = IW_MODE_ADHOC;
7307 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7308 &iwe, IW_EV_UINT_LEN);
7312 iwe.cmd = SIOCGIWFREQ;
7313 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7314 iwe.u.freq.m = 100000 *
7315 ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7317 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7318 &iwe, IW_EV_FREQ_LEN);
7320 dBm = le16_to_cpu(bss->dBm);
7322 /* Add quality statistics */
7325 iwe.u.qual.level = 0x100 - dBm;
7326 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7327 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7328 | IW_QUAL_LEVEL_UPDATED
7331 iwe.u.qual.level = (dBm + 321) / 2;
7332 iwe.u.qual.qual = 0;
7333 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7334 | IW_QUAL_LEVEL_UPDATED
7337 iwe.u.qual.noise = ai->wstats.qual.noise;
7338 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7339 &iwe, IW_EV_QUAL_LEN);
7341 /* Add encryption capability */
7342 iwe.cmd = SIOCGIWENCODE;
7343 if(capabilities & CAP_PRIVACY)
7344 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7346 iwe.u.data.flags = IW_ENCODE_DISABLED;
7347 iwe.u.data.length = 0;
7348 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7351 /* Rate : stuffing multiple values in a single event require a bit
7352 * more of magic - Jean II */
7353 current_val = current_ev + iwe_stream_lcp_len(info);
7355 iwe.cmd = SIOCGIWRATE;
7356 /* Those two flags are ignored... */
7357 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7359 for(i = 0 ; i < 8 ; i++) {
7360 /* NULL terminated */
7361 if(bss->rates[i] == 0)
7363 /* Bit rate given in 500 kb/s units (+ 0x80) */
7364 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7365 /* Add new value to event */
7366 current_val = iwe_stream_add_value(info, current_ev,
7367 current_val, end_buf,
7368 &iwe, IW_EV_PARAM_LEN);
7370 /* Check if we added any event */
7371 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7372 current_ev = current_val;
7374 /* Beacon interval */
7375 buf = kmalloc(30, GFP_KERNEL);
7377 iwe.cmd = IWEVCUSTOM;
7378 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7379 iwe.u.data.length = strlen(buf);
7380 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7385 /* Put WPA/RSN Information Elements into the event stream */
7386 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7387 unsigned int num_null_ies = 0;
7388 u16 length = sizeof (bss->extra.iep);
7389 u8 *ie = (void *)&bss->extra.iep;
7391 while ((length >= 2) && (num_null_ies < 2)) {
7392 if (2 + ie[1] > length) {
7393 /* Invalid element, don't continue parsing IE */
7399 /* Two zero-length SSID elements
7400 * mean we're done parsing elements */
7405 case WLAN_EID_VENDOR_SPECIFIC:
7411 iwe.cmd = IWEVGENIE;
7412 /* 64 is an arbitrary cut-off */
7413 iwe.u.data.length = min(ie[1] + 2,
7415 current_ev = iwe_stream_add_point(
7422 iwe.cmd = IWEVGENIE;
7423 /* 64 is an arbitrary cut-off */
7424 iwe.u.data.length = min(ie[1] + 2, 64);
7425 current_ev = iwe_stream_add_point(
7426 info, current_ev, end_buf,
7434 length -= 2 + ie[1];
7441 /*------------------------------------------------------------------*/
7443 * Wireless Handler : Read Scan Results
7445 static int airo_get_scan(struct net_device *dev,
7446 struct iw_request_info *info,
7447 struct iw_point *dwrq,
7450 struct airo_info *ai = dev->ml_priv;
7451 BSSListElement *net;
7453 char *current_ev = extra;
7455 /* If a scan is in-progress, return -EAGAIN */
7456 if (ai->scan_timeout > 0)
7459 if (down_interruptible(&ai->sem))
7462 list_for_each_entry (net, &ai->network_list, list) {
7463 /* Translate to WE format this entry */
7464 current_ev = airo_translate_scan(dev, info, current_ev,
7465 extra + dwrq->length,
7468 /* Check if there is space for one more entry */
7469 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7470 /* Ask user space to try again with a bigger buffer */
7476 /* Length of data */
7477 dwrq->length = (current_ev - extra);
7478 dwrq->flags = 0; /* todo */
7485 /*------------------------------------------------------------------*/
7487 * Commit handler : called after a bunch of SET operations
7489 static int airo_config_commit(struct net_device *dev,
7490 struct iw_request_info *info, /* NULL */
7491 void *zwrq, /* NULL */
7492 char *extra) /* NULL */
7494 struct airo_info *local = dev->ml_priv;
7496 if (!test_bit (FLAG_COMMIT, &local->flags))
7499 /* Some of the "SET" function may have modified some of the
7500 * parameters. It's now time to commit them in the card */
7501 disable_MAC(local, 1);
7502 if (test_bit (FLAG_RESET, &local->flags)) {
7503 APListRid APList_rid;
7506 readAPListRid(local, &APList_rid);
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, &APList_rid, 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);