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 <asm/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
52 #include <linux/ieee80211.h>
53 #include <net/iw_handler.h>
57 #define DRV_NAME "airo"
60 static DEFINE_PCI_DEVICE_TABLE(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];
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1251 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1257 static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259 static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1262 static int cmdreset(struct airo_info *ai);
1263 static int setflashmode (struct airo_info *ai);
1264 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265 static int flashputbuf(struct airo_info *ai);
1266 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268 #define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271 #define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1274 #define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1277 #define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1280 #define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1283 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285 /***********************************************************************
1287 ***********************************************************************
1290 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291 static void MoveWindow(miccntx *context, u32 micSeq);
1292 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294 static void emmh32_init(emmh32_context *context);
1295 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1322 /* micinit - Initialize mic seed */
1324 static void micinit(struct airo_info *ai)
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1355 /* micsetup - Get ready for business */
1357 static int micsetup(struct airo_info *ai) {
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1376 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378 /*===========================================================================
1379 * Description: Mic a packet
1381 * Inputs: etherHead * pointer to an 802.3 frame
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1394 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1404 context = &ai->mod[0].uCtx;
1406 if (!context->valid)
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1414 mic->seq = htonl(context->tx);
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1437 /*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1441 * Inputs: etherHead pointer to the 802.3 packet
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1450 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1456 mic_error micError = NONE;
1458 // Check if the packet is a Mic'd packet
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1469 if (ntohs(mic->typelen) == 0x888E)
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494 //Make sure context is valid
1495 if (!context->valid) {
1497 micError = NOMICPLUMMED;
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1511 emmh32_final(&context->seed, digest);
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1516 micError = INCORRECTMIC;
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1526 micError = SEQUENCE;
1529 // Update statistics
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1540 /*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1547 * Returns: TRUE if valid otherwise FALSE.
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1554 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1576 //Too old of a SEQ number to check.
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1595 MoveWindow(context,micSeq);
1602 static void MoveWindow(miccntx *context, u32 micSeq)
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1612 context->rx >>= shift;
1616 context->window = micSeq; //Move window
1620 /*==============================================*/
1621 /*========== EMMH ROUTINES ====================*/
1622 /*==============================================*/
1624 /* mic accumulate */
1625 #define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628 static unsigned char aes_counter[16];
1630 /* expand the key to fill the MMH coefficient array */
1631 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1639 u8 *cipher, plain[16];
1641 crypto_cipher_setkey(tfm, pkey, 16);
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1659 /* prepare for calculation of a new mic */
1660 static void emmh32_init(emmh32_context *context)
1662 /* prepare for new mic calculation */
1664 context->position = 0;
1667 /* add some bytes to the mic calculation */
1668 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670 int coeff_position, byte_position;
1672 if (len == 0) return;
1674 coeff_position = context->position >> 2;
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1689 /* deal with full 32-bit words */
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1697 /* deal with partial 32-bit word that will be left over from this update */
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1706 /* mask used to zero empty bytes for final partial word */
1707 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709 /* calculate the mic */
1710 static void emmh32_final(emmh32_context *context, u8 digest[4])
1712 int coeff_position, byte_position;
1718 coeff_position = context->position >> 2;
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1743 static int readBSSListRid(struct airo_info *ai, int first,
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1766 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1772 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1786 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1791 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1796 static int readConfigRid(struct airo_info *ai, int lock)
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1812 static inline void checkThrottle(struct airo_info *ai)
1815 /* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1825 static int writeConfigRid(struct airo_info *ai, int lock)
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1845 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1850 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1855 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1860 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1865 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1870 static void try_auto_wep(struct airo_info *ai)
1872 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1878 static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet committed, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 writeConfigRid(ai, 1);
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1911 /* Power on the MAC controller (which may have been disabled) */
1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1919 netif_start_queue(dev);
1923 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1924 struct net_device *dev)
1926 int npacks, pending;
1927 unsigned long flags;
1928 struct airo_info *ai = dev->ml_priv;
1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 return NETDEV_TX_OK;
1934 npacks = skb_queue_len (&ai->txq);
1936 if (npacks >= MAXTXQ - 1) {
1937 netif_stop_queue (dev);
1938 if (npacks > MAXTXQ) {
1939 dev->stats.tx_fifo_errors++;
1940 return NETDEV_TX_BUSY;
1942 skb_queue_tail (&ai->txq, skb);
1943 return NETDEV_TX_OK;
1946 spin_lock_irqsave(&ai->aux_lock, flags);
1947 skb_queue_tail (&ai->txq, skb);
1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 spin_unlock_irqrestore(&ai->aux_lock,flags);
1950 netif_wake_queue (dev);
1953 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1954 mpi_send_packet (dev);
1956 return NETDEV_TX_OK;
1962 * Attempt to transmit a packet. Can be called from interrupt
1963 * or transmit . return number of packets we tried to send
1966 static int mpi_send_packet (struct net_device *dev)
1968 struct sk_buff *skb;
1969 unsigned char *buffer;
1972 struct airo_info *ai = dev->ml_priv;
1975 /* get a packet to send */
1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1978 airo_print_err(dev->name,
1979 "%s: Dequeue'd zero in send_packet()",
1984 /* check min length*/
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1996 * is immediately after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
2001 memcpy(ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2010 * Firmware automatically puts 802 header on so
2011 * we don't need to account for it in the length
2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2021 ai->txfids[0].tx_desc.len += sizeof(pMic);
2022 /* copy data into airo dma buffer */
2023 memcpy (sendbuf, buffer, sizeof(etherHead));
2024 buffer += sizeof(etherHead);
2025 sendbuf += sizeof(etherHead);
2026 memcpy (sendbuf, &pMic, sizeof(pMic));
2027 sendbuf += sizeof(pMic);
2028 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032 dev->trans_start = jiffies;
2034 /* copy data into airo dma buffer */
2035 memcpy(sendbuf, buffer, len);
2038 memcpy_toio(ai->txfids[0].card_ram_off,
2039 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041 OUT4500(ai, EVACK, 8);
2043 dev_kfree_skb_any(skb);
2047 static void get_tx_error(struct airo_info *ai, s32 fid)
2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 bap_read(ai, &status, 2, BAP0);
2058 if (le16_to_cpu(status) & 2) /* Too many retries */
2059 ai->dev->stats.tx_aborted_errors++;
2060 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2061 ai->dev->stats.tx_heartbeat_errors++;
2062 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2065 ai->dev->stats.tx_carrier_errors++;
2066 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 /* We produce a TXDROP event only for retry or lifetime
2069 * exceeded, because that's the only status that really mean
2070 * that this particular node went away.
2071 * Other errors means that *we* screwed up. - Jean II */
2072 if ((le16_to_cpu(status) & 2) ||
2073 (le16_to_cpu(status) & 4)) {
2074 union iwreq_data wrqu;
2077 /* Faster to skip over useless data than to do
2078 * another bap_setup(). We are at offset 0x6 and
2079 * need to go to 0x18 and read 6 bytes - Jean II */
2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082 /* Copy 802.11 dest address.
2083 * We use the 802.11 header because the frame may
2084 * not be 802.3 or may be mangled...
2085 * In Ad-Hoc mode, it will be the node address.
2086 * In managed mode, it will be most likely the AP addr
2087 * User space will figure out how to convert it to
2088 * whatever it needs (IP address or else).
2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2091 wrqu.addr.sa_family = ARPHRD_ETHER;
2093 /* Send event to user space */
2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2098 static void airo_end_xmit(struct net_device *dev) {
2101 struct airo_info *priv = dev->ml_priv;
2102 struct sk_buff *skb = priv->xmit.skb;
2103 int fid = priv->xmit.fid;
2104 u32 *fids = priv->fids;
2106 clear_bit(JOB_XMIT, &priv->jobs);
2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2108 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2112 if ( status == SUCCESS ) {
2113 dev->trans_start = jiffies;
2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 priv->fids[fid] &= 0xffff;
2117 dev->stats.tx_window_errors++;
2119 if (i < MAX_FIDS / 2)
2120 netif_wake_queue(dev);
2124 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2125 struct net_device *dev)
2129 struct airo_info *priv = dev->ml_priv;
2130 u32 *fids = priv->fids;
2132 if ( skb == NULL ) {
2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2134 return NETDEV_TX_OK;
2137 /* Find a vacant FID */
2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141 if ( j >= MAX_FIDS / 2 ) {
2142 netif_stop_queue(dev);
2144 if (i == MAX_FIDS / 2) {
2145 dev->stats.tx_fifo_errors++;
2146 return NETDEV_TX_BUSY;
2149 /* check min length*/
2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2151 /* Mark fid as used & save length for later */
2152 fids[i] |= (len << 16);
2153 priv->xmit.skb = skb;
2155 if (down_trylock(&priv->sem) != 0) {
2156 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 netif_stop_queue(dev);
2158 set_bit(JOB_XMIT, &priv->jobs);
2159 wake_up_interruptible(&priv->thr_wait);
2162 return NETDEV_TX_OK;
2165 static void airo_end_xmit11(struct net_device *dev) {
2168 struct airo_info *priv = dev->ml_priv;
2169 struct sk_buff *skb = priv->xmit11.skb;
2170 int fid = priv->xmit11.fid;
2171 u32 *fids = priv->fids;
2173 clear_bit(JOB_XMIT11, &priv->jobs);
2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2175 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2179 if ( status == SUCCESS ) {
2180 dev->trans_start = jiffies;
2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 priv->fids[fid] &= 0xffff;
2184 dev->stats.tx_window_errors++;
2187 netif_wake_queue(dev);
2191 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2192 struct net_device *dev)
2196 struct airo_info *priv = dev->ml_priv;
2197 u32 *fids = priv->fids;
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200 /* Not implemented yet for MPI350 */
2201 netif_stop_queue(dev);
2202 dev_kfree_skb_any(skb);
2203 return NETDEV_TX_OK;
2206 if ( skb == NULL ) {
2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2208 return NETDEV_TX_OK;
2211 /* Find a vacant FID */
2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215 if ( j >= MAX_FIDS ) {
2216 netif_stop_queue(dev);
2218 if (i == MAX_FIDS) {
2219 dev->stats.tx_fifo_errors++;
2220 return NETDEV_TX_BUSY;
2223 /* check min length*/
2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2225 /* Mark fid as used & save length for later */
2226 fids[i] |= (len << 16);
2227 priv->xmit11.skb = skb;
2228 priv->xmit11.fid = i;
2229 if (down_trylock(&priv->sem) != 0) {
2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 netif_stop_queue(dev);
2232 set_bit(JOB_XMIT11, &priv->jobs);
2233 wake_up_interruptible(&priv->thr_wait);
2235 airo_end_xmit11(dev);
2236 return NETDEV_TX_OK;
2239 static void airo_read_stats(struct net_device *dev)
2241 struct airo_info *ai = dev->ml_priv;
2243 __le32 *vals = stats_rid.vals;
2245 clear_bit(JOB_STATS, &ai->jobs);
2246 if (ai->power.event) {
2250 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2254 le32_to_cpu(vals[45]);
2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2256 le32_to_cpu(vals[41]);
2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2262 dev->stats.tx_fifo_errors;
2263 dev->stats.multicast = le32_to_cpu(vals[43]);
2264 dev->stats.collisions = le32_to_cpu(vals[89]);
2266 /* detailed rx_errors: */
2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2273 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275 struct airo_info *local = dev->ml_priv;
2277 if (!test_bit(JOB_STATS, &local->jobs)) {
2278 /* Get stats out of the card if available */
2279 if (down_trylock(&local->sem) != 0) {
2280 set_bit(JOB_STATS, &local->jobs);
2281 wake_up_interruptible(&local->thr_wait);
2283 airo_read_stats(dev);
2289 static void airo_set_promisc(struct airo_info *ai) {
2293 memset(&cmd, 0, sizeof(cmd));
2294 cmd.cmd=CMD_SETMODE;
2295 clear_bit(JOB_PROMISC, &ai->jobs);
2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2297 issuecommand(ai, &cmd, &rsp);
2301 static void airo_set_multicast_list(struct net_device *dev) {
2302 struct airo_info *ai = dev->ml_priv;
2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2305 change_bit(FLAG_PROMISC, &ai->flags);
2306 if (down_trylock(&ai->sem) != 0) {
2307 set_bit(JOB_PROMISC, &ai->jobs);
2308 wake_up_interruptible(&ai->thr_wait);
2310 airo_set_promisc(ai);
2313 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2314 /* Turn on multicast. (Should be already setup...) */
2318 static int airo_set_mac_address(struct net_device *dev, void *p)
2320 struct airo_info *ai = dev->ml_priv;
2321 struct sockaddr *addr = p;
2323 readConfigRid(ai, 1);
2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2325 set_bit (FLAG_COMMIT, &ai->flags);
2327 writeConfigRid (ai, 1);
2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2335 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337 if ((new_mtu < 68) || (new_mtu > 2400))
2343 static LIST_HEAD(airo_devices);
2345 static void add_airo_dev(struct airo_info *ai)
2347 /* Upper layers already keep track of PCI devices,
2348 * so we only need to remember our non-PCI cards. */
2350 list_add_tail(&ai->dev_list, &airo_devices);
2353 static void del_airo_dev(struct airo_info *ai)
2356 list_del(&ai->dev_list);
2359 static int airo_close(struct net_device *dev) {
2360 struct airo_info *ai = dev->ml_priv;
2362 netif_stop_queue(dev);
2364 if (ai->wifidev != dev) {
2365 #ifdef POWER_ON_DOWN
2366 /* Shut power to the card. The idea is that the user can save
2367 * power when he doesn't need the card with "ifconfig down".
2368 * That's the method that is most friendly towards the network
2369 * stack (i.e. the network stack won't try to broadcast
2370 * anything on the interface and routes are gone. Jean II */
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2374 disable_interrupts( ai );
2376 free_irq(dev->irq, dev);
2378 set_bit(JOB_DIE, &ai->jobs);
2379 kthread_stop(ai->airo_thread_task);
2384 void stop_airo_card( struct net_device *dev, int freeres )
2386 struct airo_info *ai = dev->ml_priv;
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_interrupts(ai);
2391 takedown_proc_entry( dev, ai );
2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2393 unregister_netdev( dev );
2395 unregister_netdev(ai->wifidev);
2396 free_netdev(ai->wifidev);
2399 clear_bit(FLAG_REGISTERED, &ai->flags);
2402 * Clean out tx queue
2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2405 struct sk_buff *skb = NULL;
2406 for (;(skb = skb_dequeue(&ai->txq));)
2410 airo_networks_free (ai);
2417 /* PCMCIA frees this stuff, so only for PCI and ISA */
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 mpi_unmap_card(ai->pci);
2423 iounmap(ai->pcimem);
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2430 crypto_free_cipher(ai->tfm);
2435 EXPORT_SYMBOL(stop_airo_card);
2437 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2443 static void mpi_unmap_card(struct pci_dev *pci)
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2454 /*************************************************************
2455 * This routine assumes that descriptors have been setup .
2456 * Run at insmod time or after reset when the decriptors
2457 * have been initialized . Returns 0 if all is well nz
2458 * otherwise . Does not allocate memory but sets up card
2459 * using previously allocated descriptors.
2461 static int mpi_init_descriptors (struct airo_info *ai)
2468 /* Alloc card RX descriptors */
2469 netif_stop_queue(ai->dev);
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2474 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2489 /* Alloc card TX descriptors */
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2494 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2512 /* Alloc card Rid descriptor */
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2516 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1; /* Magic number... */
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2533 * We are setting up three things here:
2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2535 * 2) Map PCI memory for issuing commands.
2536 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
2545 unsigned char __iomem *pciaddroff;
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
2563 ai->pcimem = ioremap(mem_start, mem_len);
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2569 ai->pciaux = ioremap(aux_start, aux_len);
2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 airo_print_err("", "Couldn't alloc_consistent %d",
2585 * Setup descriptor RX, TX, CONFIG
2587 busaddroff = ai->shared_dma;
2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2591 /* RX descriptor setup */
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2606 /* TX descriptor setup */
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621 /* Rid descriptor setup */
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2633 /* Tell card about descriptors */
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 iounmap(ai->pciaux);
2643 iounmap(ai->pcimem);
2645 release_mem_region(aux_start, aux_len);
2647 release_mem_region(mem_start, mem_len);
2652 static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2656 static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663 .ndo_change_mtu = airo_change_mtu,
2666 static void wifi_setup(struct net_device *dev)
2668 dev->netdev_ops = &airo11_netdev_ops;
2669 dev->header_ops = &airo_header_ops;
2670 dev->wireless_handlers = &airo_handler_def;
2672 dev->type = ARPHRD_IEEE80211;
2673 dev->hard_header_len = ETH_HLEN;
2674 dev->mtu = AIRO_DEF_MTU;
2675 dev->addr_len = ETH_ALEN;
2676 dev->tx_queue_len = 100;
2678 memset(dev->broadcast,0xFF, ETH_ALEN);
2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2683 static struct net_device *init_wifidev(struct airo_info *ai,
2684 struct net_device *ethdev)
2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2690 dev->ml_priv = ethdev->ml_priv;
2691 dev->irq = ethdev->irq;
2692 dev->base_addr = ethdev->base_addr;
2693 dev->wireless_data = ethdev->wireless_data;
2694 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2696 err = register_netdev(dev);
2704 static int reset_card( struct net_device *dev , int lock) {
2705 struct airo_info *ai = dev->ml_priv;
2707 if (lock && down_interruptible(&ai->sem))
2710 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2719 #define AIRO_MAX_NETWORK_COUNT 64
2720 static int airo_networks_allocate(struct airo_info *ai)
2725 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2727 if (!ai->networks) {
2728 airo_print_warn("", "Out of memory allocating beacons");
2735 static void airo_networks_free(struct airo_info *ai)
2737 kfree(ai->networks);
2738 ai->networks = NULL;
2741 static void airo_networks_initialize(struct airo_info *ai)
2745 INIT_LIST_HEAD(&ai->network_free_list);
2746 INIT_LIST_HEAD(&ai->network_list);
2747 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2748 list_add_tail(&ai->networks[i].list,
2749 &ai->network_free_list);
2752 static const struct net_device_ops airo_netdev_ops = {
2753 .ndo_open = airo_open,
2754 .ndo_stop = airo_close,
2755 .ndo_start_xmit = airo_start_xmit,
2756 .ndo_get_stats = airo_get_stats,
2757 .ndo_set_rx_mode = airo_set_multicast_list,
2758 .ndo_set_mac_address = airo_set_mac_address,
2759 .ndo_do_ioctl = airo_ioctl,
2760 .ndo_change_mtu = airo_change_mtu,
2761 .ndo_validate_addr = eth_validate_addr,
2764 static const struct net_device_ops mpi_netdev_ops = {
2765 .ndo_open = airo_open,
2766 .ndo_stop = airo_close,
2767 .ndo_start_xmit = mpi_start_xmit,
2768 .ndo_get_stats = airo_get_stats,
2769 .ndo_set_rx_mode = airo_set_multicast_list,
2770 .ndo_set_mac_address = airo_set_mac_address,
2771 .ndo_do_ioctl = airo_ioctl,
2772 .ndo_change_mtu = airo_change_mtu,
2773 .ndo_validate_addr = eth_validate_addr,
2777 static struct net_device *_init_airo_card( unsigned short irq, int port,
2778 int is_pcmcia, struct pci_dev *pci,
2779 struct device *dmdev )
2781 struct net_device *dev;
2782 struct airo_info *ai;
2784 CapabilityRid cap_rid;
2786 /* Create the network device object. */
2787 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2789 airo_print_err("", "Couldn't alloc_etherdev");
2793 ai = dev->ml_priv = netdev_priv(dev);
2795 ai->flags = 1 << FLAG_RADIO_DOWN;
2798 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2799 airo_print_dbg("", "Found an MPI350 card");
2800 set_bit(FLAG_MPI, &ai->flags);
2802 spin_lock_init(&ai->aux_lock);
2803 sema_init(&ai->sem, 1);
2806 init_waitqueue_head (&ai->thr_wait);
2810 if (airo_networks_allocate (ai))
2812 airo_networks_initialize (ai);
2814 skb_queue_head_init (&ai->txq);
2816 /* The Airo-specific entries in the device structure. */
2817 if (test_bit(FLAG_MPI,&ai->flags))
2818 dev->netdev_ops = &mpi_netdev_ops;
2820 dev->netdev_ops = &airo_netdev_ops;
2821 dev->wireless_handlers = &airo_handler_def;
2822 ai->wireless_data.spy_data = &ai->spy_data;
2823 dev->wireless_data = &ai->wireless_data;
2825 dev->base_addr = port;
2826 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2828 SET_NETDEV_DEV(dev, dmdev);
2830 reset_card (dev, 1);
2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 airo_print_err(dev->name, "Couldn't request region");
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2850 airo_print_err(dev->name, "MAC could not be enabled" );
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2865 ai->wifidev = init_wifidev(ai, dev);
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2883 /* Test for WPA support */
2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2920 unregister_netdev(dev);
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2930 release_region( dev->base_addr, 64 );
2932 airo_networks_free(ai);
2939 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945 EXPORT_SYMBOL(init_airo_card);
2947 static int waitbusy (struct airo_info *ai) {
2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 return delay < 10000;
2957 int reset_airo_card( struct net_device *dev )
2960 struct airo_info *ai = dev->ml_priv;
2962 if (reset_card (dev, 1))
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2980 EXPORT_SYMBOL(reset_airo_card);
2982 static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->ml_priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999 static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3013 /* Try to read the first entry of the scan result */
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3016 /* No scan results */
3020 /* Read and parse all entries */
3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3036 /* Read next entry */
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3058 static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->ml_priv;
3065 /* make swsusp happy with our thread */
3068 if (test_bit(JOB_DIE, &ai->jobs))
3072 locked = down_interruptible(&ai->sem);
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3079 set_current_state(TASK_INTERRUPTIBLE);
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3099 wake_at = min(ai->expires,
3102 schedule_timeout(wake_at - jiffies);
3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3120 if (test_bit(JOB_DIE, &ai->jobs)) {
3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3130 if (test_bit(JOB_XMIT, &ai->jobs))
3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
3133 airo_end_xmit11(dev);
3134 else if (test_bit(JOB_STATS, &ai->jobs))
3135 airo_read_stats(dev);
3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
3137 airo_read_wireless_stats(ai);
3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
3139 airo_set_promisc(ai);
3140 else if (test_bit(JOB_MIC, &ai->jobs))
3142 else if (test_bit(JOB_EVENT, &ai->jobs))
3143 airo_send_event(dev);
3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3155 static int header_len(__le16 ctl)
3157 u16 fc = le16_to_cpu(ctl);
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3170 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3178 /* Airo Status codes */
3179 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188 #define STAT_ASSOC 0x0400 /* Associated */
3189 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191 static void airo_print_status(const char *devname, u16 status)
3193 u8 reason = status & 0xFF;
3195 switch (status & 0xFF00) {
3199 airo_print_dbg(devname, "link lost (missed beacons)");
3201 case STAT_MAXRETRIES:
3203 airo_print_dbg(devname, "link lost (max retries)");
3205 case STAT_FORCELOSS:
3206 airo_print_dbg(devname, "link lost (local choice)");
3209 airo_print_dbg(devname, "link lost (TSF sync lost)");
3212 airo_print_dbg(devname, "unknow status %x\n", status);
3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 case STAT_ASSOC_FAIL:
3223 airo_print_dbg(devname, "association failed (reason: %d)",
3226 case STAT_AUTH_FAIL:
3227 airo_print_dbg(devname, "authentication failed (reason: %d)",
3234 airo_print_dbg(devname, "unknow status %x\n", status);
3239 static void airo_handle_link(struct airo_info *ai)
3241 union iwreq_data wrqu;
3242 int scan_forceloss = 0;
3245 /* Get new status and acknowledge the link change */
3246 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3247 OUT4500(ai, EVACK, EV_LINK);
3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3252 airo_print_status(ai->dev->name, status);
3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3257 if (ai->list_bss_task)
3258 wake_up_process(ai->list_bss_task);
3259 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262 if (down_trylock(&ai->sem) != 0) {
3263 set_bit(JOB_EVENT, &ai->jobs);
3264 wake_up_interruptible(&ai->thr_wait);
3266 airo_send_event(ai->dev);
3267 } else if (!scan_forceloss) {
3268 if (auto_wep && !ai->expires) {
3269 ai->expires = RUN_AT(3*HZ);
3270 wake_up_interruptible(&ai->thr_wait);
3273 /* Send event to user space */
3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3280 static void airo_handle_rx(struct airo_info *ai)
3282 struct sk_buff *skb = NULL;
3283 __le16 fc, v, *buffer, tmpbuf[4];
3284 u16 len, hdrlen = 0, gap, fid;
3288 if (test_bit(FLAG_MPI, &ai->flags)) {
3289 if (test_bit(FLAG_802_11, &ai->flags))
3290 mpi_receive_802_11(ai);
3292 mpi_receive_802_3(ai);
3293 OUT4500(ai, EVACK, EV_RX);
3297 fid = IN4500(ai, RXFID);
3299 /* Get the packet length */
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3301 bap_setup (ai, fid, 4, BAP0);
3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3303 /* Bad CRC. Ignore packet */
3304 if (le16_to_cpu(hdr.status) & 2)
3306 if (ai->wifidev == NULL)
3309 bap_setup(ai, fid, 0x36, BAP0);
3310 bap_read(ai, &hdr.len, 2, BAP0);
3312 len = le16_to_cpu(hdr.len);
3314 if (len > AIRO_DEF_MTU) {
3315 airo_print_err(ai->dev->name, "Bad size %d", len);
3321 if (test_bit(FLAG_802_11, &ai->flags)) {
3322 bap_read(ai, &fc, sizeof (fc), BAP0);
3323 hdrlen = header_len(fc);
3325 hdrlen = ETH_ALEN * 2;
3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 ai->dev->stats.rx_dropped++;
3333 skb_reserve(skb, 2); /* This way the IP header is aligned */
3334 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3335 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 bap_read(ai, tmpbuf, 6, BAP0);
3341 bap_read(ai, &v, sizeof(v), BAP0);
3342 gap = le16_to_cpu(v);
3345 bap_read(ai, tmpbuf, gap, BAP0);
3347 airo_print_err(ai->dev->name, "gaplen too "
3348 "big. Problems will follow...");
3351 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3356 if (ai->micstats.enabled) {
3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3358 if (ntohs(micbuf.typelen) > 0x05DC)
3359 bap_setup(ai, fid, 0x44, BAP0);
3361 if (len <= sizeof (micbuf)) {
3362 dev_kfree_skb_irq(skb);
3366 len -= sizeof(micbuf);
3367 skb_trim(skb, len + hdrlen);
3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3373 dev_kfree_skb_irq (skb);
3379 if (success && (ai->spy_data.spy_number > 0)) {
3381 struct iw_quality wstats;
3383 /* Prepare spy data : addr + qual */
3384 if (!test_bit(FLAG_802_11, &ai->flags)) {
3385 sa = (char *) buffer + 6;
3386 bap_setup(ai, fid, 8, BAP0);
3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 sa = (char *) buffer + 10;
3390 wstats.qual = hdr.rssi[0];
3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 wstats.level = (hdr.rssi[1] + 321) / 2;
3395 wstats.noise = ai->wstats.qual.noise;
3396 wstats.updated = IW_QUAL_LEVEL_UPDATED
3397 | IW_QUAL_QUAL_UPDATED
3399 /* Update spy records */
3400 wireless_spy_update(ai->dev, sa, &wstats);
3402 #endif /* WIRELESS_SPY */
3405 OUT4500(ai, EVACK, EV_RX);
3408 if (test_bit(FLAG_802_11, &ai->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = ai->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3414 skb->protocol = eth_type_trans(skb, ai->dev);
3415 skb->ip_summed = CHECKSUM_NONE;
3421 static void airo_handle_tx(struct airo_info *ai, u16 status)
3423 int i, len = 0, index = -1;
3426 if (test_bit(FLAG_MPI, &ai->flags)) {
3427 unsigned long flags;
3429 if (status & EV_TXEXC)
3430 get_tx_error(ai, -1);
3432 spin_lock_irqsave(&ai->aux_lock, flags);
3433 if (!skb_queue_empty(&ai->txq)) {
3434 spin_unlock_irqrestore(&ai->aux_lock,flags);
3435 mpi_send_packet(ai->dev);
3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3438 spin_unlock_irqrestore(&ai->aux_lock,flags);
3439 netif_wake_queue(ai->dev);
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3445 fid = IN4500(ai, TXCOMPLFID);
3447 for(i = 0; i < MAX_FIDS; i++) {
3448 if ((ai->fids[i] & 0xffff) == fid) {
3449 len = ai->fids[i] >> 16;
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, index);
3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460 /* Set up to be used again */
3461 ai->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3464 netif_wake_queue(ai->dev);
3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3467 netif_wake_queue(ai->wifidev);
3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3475 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477 struct net_device *dev = dev_id;
3478 u16 status, savedInterrupts = 0;
3479 struct airo_info *ai = dev->ml_priv;
3482 if (!netif_device_present(dev))
3486 status = IN4500(ai, EVSTAT);
3487 if (!(status & STATUS_INTS) || (status == 0xffff))
3492 if (status & EV_AWAKE) {
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 OUT4500(ai, EVACK, EV_AWAKE);
3497 if (!savedInterrupts) {
3498 savedInterrupts = IN4500(ai, EVINTEN);
3499 OUT4500(ai, EVINTEN, 0);
3502 if (status & EV_MIC) {
3503 OUT4500(ai, EVACK, EV_MIC);
3504 airo_handle_cisco_mic(ai);
3507 if (status & EV_LINK) {
3508 /* Link status changed */
3509 airo_handle_link(ai);
3512 /* Check to see if there is something to receive */
3516 /* Check to see if a packet has been transmitted */
3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3518 airo_handle_tx(ai, status);
3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3521 airo_print_warn(ai->dev->name, "Got weird status %x",
3522 status & ~STATUS_INTS & ~IGNORE_INTS );
3526 if (savedInterrupts)
3527 OUT4500(ai, EVINTEN, savedInterrupts);
3529 return IRQ_RETVAL(handled);
3533 * Routines to talk to the card
3537 * This was originally written for the 4500, hence the name
3538 * NOTE: If use with 8bit mode and SMP bad things will happen!
3539 * Why would some one do 8 bit IO in an SMP machine?!?
3541 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3542 if (test_bit(FLAG_MPI,&ai->flags))
3545 outw( val, ai->dev->base_addr + reg );
3547 outb( val & 0xff, ai->dev->base_addr + reg );
3548 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3552 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3555 if (test_bit(FLAG_MPI,&ai->flags))
3558 rc = inw( ai->dev->base_addr + reg );
3560 rc = inb( ai->dev->base_addr + reg );
3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3566 static int enable_MAC(struct airo_info *ai, int lock)
3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3574 * Note : we could try to use !netif_running(dev) in enable_MAC()
3575 * instead of this flag, but I don't trust it *within* the
3576 * open/close functions, and testing both flags together is
3577 * "cheaper" - Jean II */
3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580 if (lock && down_interruptible(&ai->sem))
3581 return -ERESTARTSYS;
3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3584 memset(&cmd, 0, sizeof(cmd));
3585 cmd.cmd = MAC_ENABLE;
3586 rc = issuecommand(ai, &cmd, &rsp);
3588 set_bit(FLAG_ENABLED, &ai->flags);
3596 airo_print_err(ai->dev->name, "Cannot enable MAC");
3597 else if ((rsp.status & 0xFF00) != 0) {
3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3605 static void disable_MAC( struct airo_info *ai, int lock ) {
3609 if (lock && down_interruptible(&ai->sem))
3612 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3613 memset(&cmd, 0, sizeof(cmd));
3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3615 issuecommand(ai, &cmd, &rsp);
3616 clear_bit(FLAG_ENABLED, &ai->flags);
3622 static void enable_interrupts( struct airo_info *ai ) {
3623 /* Enable the interrupts */
3624 OUT4500( ai, EVINTEN, STATUS_INTS );
3627 static void disable_interrupts( struct airo_info *ai ) {
3628 OUT4500( ai, EVINTEN, 0 );
3631 static void mpi_receive_802_3(struct airo_info *ai)
3635 struct sk_buff *skb;
3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3641 /* Make sure we got something */
3642 if (rxd.rdy && rxd.valid == 0) {
3644 if (len < 12 || len > 2048)
3647 skb = dev_alloc_skb(len);
3649 ai->dev->stats.rx_dropped++;
3652 buffer = skb_put(skb,len);
3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3654 if (ai->micstats.enabled) {
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 if (ntohs(micbuf.typelen) <= 0x05DC) {
3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3662 off = sizeof(micbuf);
3663 skb_trim (skb, len - off);
3666 memcpy(buffer + ETH_ALEN * 2,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3668 len - ETH_ALEN * 2 - off);
3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671 dev_kfree_skb_irq (skb);
3675 if (ai->spy_data.spy_number > 0) {
3677 struct iw_quality wstats;
3678 /* Prepare spy data : addr + qual */
3679 sa = buffer + ETH_ALEN;
3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3686 #endif /* WIRELESS_SPY */
3688 skb->ip_summed = CHECKSUM_NONE;
3689 skb->protocol = eth_type_trans(skb, ai->dev);
3693 if (rxd.valid == 0) {
3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3701 static void mpi_receive_802_11(struct airo_info *ai)
3704 struct sk_buff *skb = NULL;
3705 u16 len, hdrlen = 0;
3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3713 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 /* Bad CRC. Ignore packet */
3716 if (le16_to_cpu(hdr.status) & 2)
3718 if (ai->wifidev == NULL)
3720 len = le16_to_cpu(hdr.len);
3721 if (len > AIRO_DEF_MTU) {
3722 airo_print_err(ai->dev->name, "Bad size %d", len);
3728 fc = get_unaligned((__le16 *)ptr);
3729 hdrlen = header_len(fc);
3731 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 ai->dev->stats.rx_dropped++;
3736 buffer = (u16*)skb_put (skb, len + hdrlen);
3737 memcpy ((char *)buffer, ptr, hdrlen);
3741 gap = get_unaligned_le16(ptr);
3742 ptr += sizeof(__le16);
3747 airo_print_err(ai->dev->name,
3748 "gaplen too big. Problems will follow...");
3750 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3753 if (ai->spy_data.spy_number > 0) {
3755 struct iw_quality wstats;
3756 /* Prepare spy data : addr + qual */
3757 sa = (char*)buffer + 10;
3758 wstats.qual = hdr.rssi[0];
3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 wstats.level = (hdr.rssi[1] + 321) / 2;
3763 wstats.noise = ai->wstats.qual.noise;
3764 wstats.updated = IW_QUAL_QUAL_UPDATED
3765 | IW_QUAL_LEVEL_UPDATED
3767 /* Update spy records */
3768 wireless_spy_update(ai->dev, sa, &wstats);
3770 #endif /* IW_WIRELESS_SPY */
3771 skb_reset_mac_header(skb);
3772 skb->pkt_type = PACKET_OTHERHOST;
3773 skb->dev = ai->wifidev;
3774 skb->protocol = htons(ETH_P_802_2);
3775 skb->ip_summed = CHECKSUM_NONE;
3779 if (rxd.valid == 0) {
3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3787 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3797 memset( &mySsid, 0, sizeof( mySsid ) );
3801 /* The NOP is the first step in getting the card going */
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3811 disable_MAC( ai, 0);
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 ai->bap_read = aux_bap_read;
3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3832 if (ai->config.len == 0) {
3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3841 // general configuration (read/modify/write)
3842 status = readConfigRid(ai, lock);
3843 if ( status != SUCCESS ) return ERROR;
3845 status = readCapabilityRid(ai, &cap_rid, lock);
3846 if ( status != SUCCESS ) return ERROR;
3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3849 if ( status == SUCCESS ) {
3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3856 if (cap_rid.softCap & cpu_to_le16(8))
3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 airo_print_warn(ai->dev->name, "unknown received signal "
3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3863 ai->config.authType = AUTH_OPEN;
3864 ai->config.modulation = MOD_CCK;
3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3867 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3868 micsetup(ai) == SUCCESS) {
3869 ai->config.opmode |= MODE_MIC;
3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3873 /* Save off the MAC */
3874 for( i = 0; i < ETH_ALEN; i++ ) {
3875 mac[i] = ai->config.macAddr[i];
3878 /* Check to see if there are any insmod configured
3881 memset(ai->config.rates,0,sizeof(ai->config.rates));
3882 for( i = 0; i < 8 && rates[i]; i++ ) {
3883 ai->config.rates[i] = rates[i];
3886 set_bit (FLAG_COMMIT, &ai->flags);
3889 /* Setup the SSIDs if present */
3892 for( i = 0; i < 3 && ssids[i]; i++ ) {
3893 size_t len = strlen(ssids[i]);
3896 mySsid.ssids[i].len = cpu_to_le16(len);
3897 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3899 mySsid.len = cpu_to_le16(sizeof(mySsid));
3902 status = writeConfigRid(ai, lock);
3903 if ( status != SUCCESS ) return ERROR;
3905 /* Set up the SSID list */
3907 status = writeSsidRid(ai, &mySsid, lock);
3908 if ( status != SUCCESS ) return ERROR;
3911 status = enable_MAC(ai, lock);
3912 if (status != SUCCESS)
3915 /* Grab the initial wep key, we gotta save it for auto_wep */
3916 rc = readWepKeyRid(ai, &wkr, 1, lock);
3917 if (rc == SUCCESS) do {
3918 lastindex = wkr.kindex;
3919 if (wkr.kindex == cpu_to_le16(0xffff)) {
3920 ai->defindex = wkr.mac[0];
3922 rc = readWepKeyRid(ai, &wkr, 0, lock);
3923 } while(lastindex != wkr.kindex);
3930 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3950 if ( max_tries == -1 ) {
3951 airo_print_err(ai->dev->name,
3952 "Max tries exceeded when issuing command");
3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3979 /* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3982 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
3999 airo_print_err(ai->dev->name, "BAP error %x %d",
4002 } else if (status & BAP_DONE) { // success
4005 if ( !(max_tries--) ) {
4006 airo_print_err(ai->dev->name,
4007 "BAP setup error too many retries\n");
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4017 /* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020 static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4033 /* requires call to bap_setup() first */
4034 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4035 int bytelen, int whichbap)
4043 unsigned long flags;
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4051 for (i=0; i<words;) {
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4062 next = aux_setup(ai, next, 4, &len);
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4070 /* requires call to bap_setup() first */
4071 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4072 int bytelen, int whichbap)
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4082 /* requires call to bap_setup() first */
4083 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4084 int bytelen, int whichbap)
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4095 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4101 memset(&cmd, 0, sizeof(cmd));
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4112 /* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4120 if (down_interruptible(&ai->sem))
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4134 cmd.cmd = CMD_ACCESS;
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4140 rc = issuecommand(ai, &cmd, &rsp);
4142 if (rsp.status & 0x7f00)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
4159 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
4164 (int)rid, (int)len );
4168 // read remainder of the rid
4169 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4177 /* Note, that we are using BAP1 which is also used by transmit, so
4178 * make sure this isn't called when a transmit is happening */
4179 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4185 *(__le16*)pBuf = cpu_to_le16((u16)len);
4188 if (down_interruptible(&ai->sem))
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4206 cmd.cmd = CMD_WRITERID;
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4212 if (len < 4 || len > 2047) {
4213 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4216 memcpy(ai->config_desc.virtual_host_addr,
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4227 if ((rsp.status & 0x7f00))
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4251 /* Allocates a FID to be used for transmitting packets. We only use
4253 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4255 unsigned int loop = 3000;
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4269 if ( (rsp.status & 0xFF00) != 0) {
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4308 /* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322 if (len <= ETH_ALEN * 2) {
4323 airo_print_warn(ai->dev->name, "Short packet %d", len);
4326 len -= ETH_ALEN * 2;
4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4329 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4332 miclen = sizeof(pMic);
4334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4343 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4354 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4356 __le16 fc, payloadLen;
4360 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4361 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4365 fc = *(__le16*)pPacket;
4366 hdrlen = header_len(fc);
4369 airo_print_warn(ai->dev->name, "Short packet %d", len);
4373 /* packet is 802.11 header + payload
4374 * write the payload length and dst/src/payload */
4375 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4376 /* The 802.11 header aren't counted as part of the payload, so
4377 * we have to subtract the header bytes off */
4378 payloadLen = cpu_to_le16(len-hdrlen);
4379 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4380 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4381 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4382 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4384 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4385 // issue the transmit command
4386 memset( &cmd, 0, sizeof( cmd ) );
4387 cmd.cmd = CMD_TRANSMIT;
4389 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4390 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4395 * This is the proc_fs routines. It is a bit messier than I would
4396 * like! Feel free to clean it up!
4399 static ssize_t proc_read( struct file *file,
4400 char __user *buffer,
4404 static ssize_t proc_write( struct file *file,
4405 const char __user *buffer,
4408 static int proc_close( struct inode *inode, struct file *file );
4410 static int proc_stats_open( struct inode *inode, struct file *file );
4411 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4412 static int proc_status_open( struct inode *inode, struct file *file );
4413 static int proc_SSID_open( struct inode *inode, struct file *file );
4414 static int proc_APList_open( struct inode *inode, struct file *file );
4415 static int proc_BSSList_open( struct inode *inode, struct file *file );
4416 static int proc_config_open( struct inode *inode, struct file *file );
4417 static int proc_wepkey_open( struct inode *inode, struct file *file );
4419 static const struct file_operations proc_statsdelta_ops = {
4420 .owner = THIS_MODULE,
4422 .open = proc_statsdelta_open,
4423 .release = proc_close,
4424 .llseek = default_llseek,
4427 static const struct file_operations proc_stats_ops = {
4428 .owner = THIS_MODULE,
4430 .open = proc_stats_open,
4431 .release = proc_close,
4432 .llseek = default_llseek,
4435 static const struct file_operations proc_status_ops = {
4436 .owner = THIS_MODULE,
4438 .open = proc_status_open,
4439 .release = proc_close,
4440 .llseek = default_llseek,
4443 static const struct file_operations proc_SSID_ops = {
4444 .owner = THIS_MODULE,
4446 .write = proc_write,
4447 .open = proc_SSID_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4452 static const struct file_operations proc_BSSList_ops = {
4453 .owner = THIS_MODULE,
4455 .write = proc_write,
4456 .open = proc_BSSList_open,
4457 .release = proc_close,
4458 .llseek = default_llseek,
4461 static const struct file_operations proc_APList_ops = {
4462 .owner = THIS_MODULE,
4464 .write = proc_write,
4465 .open = proc_APList_open,
4466 .release = proc_close,
4467 .llseek = default_llseek,
4470 static const struct file_operations proc_config_ops = {
4471 .owner = THIS_MODULE,
4473 .write = proc_write,
4474 .open = proc_config_open,
4475 .release = proc_close,
4476 .llseek = default_llseek,
4479 static const struct file_operations proc_wepkey_ops = {
4480 .owner = THIS_MODULE,
4482 .write = proc_write,
4483 .open = proc_wepkey_open,
4484 .release = proc_close,
4485 .llseek = default_llseek,
4488 static struct proc_dir_entry *airo_entry;
4497 void (*on_close) (struct inode *, struct file *);
4500 static int setup_proc_entry( struct net_device *dev,
4501 struct airo_info *apriv ) {
4502 struct proc_dir_entry *entry;
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4508 if (!apriv->proc_entry)
4510 apriv->proc_entry->uid = proc_kuid;
4511 apriv->proc_entry->gid = proc_kgid;
4513 /* Setup the StatsDelta */
4514 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4515 apriv->proc_entry, &proc_statsdelta_ops, dev);
4517 goto fail_stats_delta;
4518 entry->uid = proc_kuid;
4519 entry->gid = proc_kgid;
4521 /* Setup the Stats */
4522 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4523 apriv->proc_entry, &proc_stats_ops, dev);
4526 entry->uid = proc_kuid;
4527 entry->gid = proc_kgid;
4529 /* Setup the Status */
4530 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4531 apriv->proc_entry, &proc_status_ops, dev);
4534 entry->uid = proc_kuid;
4535 entry->gid = proc_kgid;
4537 /* Setup the Config */
4538 entry = proc_create_data("Config", proc_perm,
4539 apriv->proc_entry, &proc_config_ops, dev);
4542 entry->uid = proc_kuid;
4543 entry->gid = proc_kgid;
4545 /* Setup the SSID */
4546 entry = proc_create_data("SSID", proc_perm,
4547 apriv->proc_entry, &proc_SSID_ops, dev);
4550 entry->uid = proc_kuid;
4551 entry->gid = proc_kgid;
4553 /* Setup the APList */
4554 entry = proc_create_data("APList", proc_perm,
4555 apriv->proc_entry, &proc_APList_ops, dev);
4558 entry->uid = proc_kuid;
4559 entry->gid = proc_kgid;
4561 /* Setup the BSSList */
4562 entry = proc_create_data("BSSList", proc_perm,
4563 apriv->proc_entry, &proc_BSSList_ops, dev);
4566 entry->uid = proc_kuid;
4567 entry->gid = proc_kgid;
4569 /* Setup the WepKey */
4570 entry = proc_create_data("WepKey", proc_perm,
4571 apriv->proc_entry, &proc_wepkey_ops, dev);
4574 entry->uid = proc_kuid;
4575 entry->gid = proc_kgid;
4580 remove_proc_entry("BSSList", apriv->proc_entry);
4582 remove_proc_entry("APList", apriv->proc_entry);
4584 remove_proc_entry("SSID", apriv->proc_entry);
4586 remove_proc_entry("Config", apriv->proc_entry);
4588 remove_proc_entry("Status", apriv->proc_entry);
4590 remove_proc_entry("Stats", apriv->proc_entry);
4592 remove_proc_entry("StatsDelta", apriv->proc_entry);
4594 remove_proc_entry(apriv->proc_name, airo_entry);
4599 static int takedown_proc_entry( struct net_device *dev,
4600 struct airo_info *apriv ) {
4601 if ( !apriv->proc_entry->namelen ) return 0;
4602 remove_proc_entry("Stats",apriv->proc_entry);
4603 remove_proc_entry("StatsDelta",apriv->proc_entry);
4604 remove_proc_entry("Status",apriv->proc_entry);
4605 remove_proc_entry("Config",apriv->proc_entry);
4606 remove_proc_entry("SSID",apriv->proc_entry);
4607 remove_proc_entry("APList",apriv->proc_entry);
4608 remove_proc_entry("BSSList",apriv->proc_entry);
4609 remove_proc_entry("WepKey",apriv->proc_entry);
4610 remove_proc_entry(apriv->proc_name,airo_entry);
4615 * What we want from the proc_fs is to be able to efficiently read
4616 * and write the configuration. To do this, we want to read the
4617 * configuration when the file is opened and write it when the file is
4618 * closed. So basically we allocate a read buffer at open and fill it
4619 * with data, and allocate a write buffer and read it at close.
4623 * The read routine is generic, it relies on the preallocated rbuffer
4624 * to supply the data.
4626 static ssize_t proc_read( struct file *file,
4627 char __user *buffer,
4631 struct proc_data *priv = file->private_data;
4636 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4641 * The write routine is generic, it fills in a preallocated rbuffer
4642 * to supply the data.
4644 static ssize_t proc_write( struct file *file,
4645 const char __user *buffer,
4650 struct proc_data *priv = file->private_data;
4655 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4658 priv->writelen = max_t(int, priv->writelen, *offset);
4663 static int proc_status_open(struct inode *inode, struct file *file)
4665 struct proc_data *data;
4666 struct proc_dir_entry *dp = PDE(inode);
4667 struct net_device *dev = dp->data;
4668 struct airo_info *apriv = dev->ml_priv;
4669 CapabilityRid cap_rid;
4670 StatusRid status_rid;
4674 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4676 data = file->private_data;
4677 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4678 kfree (file->private_data);
4682 readStatusRid(apriv, &status_rid, 1);
4683 readCapabilityRid(apriv, &cap_rid, 1);
4685 mode = le16_to_cpu(status_rid.mode);
4687 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4688 mode & 1 ? "CFG ": "",
4689 mode & 2 ? "ACT ": "",
4690 mode & 0x10 ? "SYN ": "",
4691 mode & 0x20 ? "LNK ": "",
4692 mode & 0x40 ? "LEAP ": "",
4693 mode & 0x80 ? "PRIV ": "",
4694 mode & 0x100 ? "KEY ": "",
4695 mode & 0x200 ? "WEP ": "",
4696 mode & 0x8000 ? "ERR ": "");
4697 sprintf( data->rbuffer+i, "Mode: %x\n"
4698 "Signal Strength: %d\n"
4699 "Signal Quality: %d\n"
4704 "Driver Version: %s\n"
4705 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4706 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4707 "Software Version: %x\nSoftware Subversion: %x\n"
4708 "Boot block version: %x\n",
4709 le16_to_cpu(status_rid.mode),
4710 le16_to_cpu(status_rid.normalizedSignalStrength),
4711 le16_to_cpu(status_rid.signalQuality),
4712 le16_to_cpu(status_rid.SSIDlen),
4715 le16_to_cpu(status_rid.channel),
4716 le16_to_cpu(status_rid.currentXmitRate) / 2,
4721 le16_to_cpu(cap_rid.radioType),
4722 le16_to_cpu(cap_rid.country),
4723 le16_to_cpu(cap_rid.hardVer),
4724 le16_to_cpu(cap_rid.softVer),
4725 le16_to_cpu(cap_rid.softSubVer),
4726 le16_to_cpu(cap_rid.bootBlockVer));
4727 data->readlen = strlen( data->rbuffer );
4731 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4732 static int proc_statsdelta_open( struct inode *inode,
4733 struct file *file ) {
4734 if (file->f_mode&FMODE_WRITE) {
4735 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4737 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4740 static int proc_stats_open( struct inode *inode, struct file *file ) {
4741 return proc_stats_rid_open(inode, file, RID_STATS);
4744 static int proc_stats_rid_open( struct inode *inode,
4748 struct proc_data *data;
4749 struct proc_dir_entry *dp = PDE(inode);
4750 struct net_device *dev = dp->data;
4751 struct airo_info *apriv = dev->ml_priv;
4754 __le32 *vals = stats.vals;
4757 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4759 data = file->private_data;
4760 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4761 kfree (file->private_data);
4765 readStatsRid(apriv, &stats, rid, 1);
4766 len = le16_to_cpu(stats.len);
4769 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4770 if (!statsLabels[i]) continue;
4771 if (j+strlen(statsLabels[i])+16>4096) {
4772 airo_print_warn(apriv->dev->name,
4773 "Potentially disastrous buffer overflow averted!");
4776 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4777 le32_to_cpu(vals[i]));
4780 airo_print_warn(apriv->dev->name, "Got a short rid");
4786 static int get_dec_u16( char *buffer, int *start, int limit ) {
4789 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4790 buffer[*start] <= '9'; (*start)++) {
4793 value += buffer[*start] - '0';
4795 if ( !valid ) return -1;
4799 static int airo_config_commit(struct net_device *dev,
4800 struct iw_request_info *info, void *zwrq,
4803 static inline int sniffing_mode(struct airo_info *ai)
4805 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4806 le16_to_cpu(RXMODE_RFMON);
4809 static void proc_config_on_close(struct inode *inode, struct file *file)
4811 struct proc_data *data = file->private_data;
4812 struct proc_dir_entry *dp = PDE(inode);
4813 struct net_device *dev = dp->data;
4814 struct airo_info *ai = dev->ml_priv;
4817 if ( !data->writelen ) return;
4819 readConfigRid(ai, 1);
4820 set_bit (FLAG_COMMIT, &ai->flags);
4822 line = data->wbuffer;
4824 /*** Mode processing */
4825 if ( !strncmp( line, "Mode: ", 6 ) ) {
4827 if (sniffing_mode(ai))
4828 set_bit (FLAG_RESET, &ai->flags);
4829 ai->config.rmode &= ~RXMODE_FULL_MASK;
4830 clear_bit (FLAG_802_11, &ai->flags);
4831 ai->config.opmode &= ~MODE_CFG_MASK;
4832 ai->config.scanMode = SCANMODE_ACTIVE;
4833 if ( line[0] == 'a' ) {
4834 ai->config.opmode |= MODE_STA_IBSS;
4836 ai->config.opmode |= MODE_STA_ESS;
4837 if ( line[0] == 'r' ) {
4838 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4839 ai->config.scanMode = SCANMODE_PASSIVE;
4840 set_bit (FLAG_802_11, &ai->flags);
4841 } else if ( line[0] == 'y' ) {
4842 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'l' )
4846 ai->config.rmode |= RXMODE_LANMON;
4848 set_bit (FLAG_COMMIT, &ai->flags);
4851 /*** Radio status */
4852 else if (!strncmp(line,"Radio: ", 7)) {
4854 if (!strncmp(line,"off",3)) {
4855 set_bit (FLAG_RADIO_OFF, &ai->flags);
4857 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4860 /*** NodeName processing */
4861 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4865 memset( ai->config.nodeName, 0, 16 );
4866 /* Do the name, assume a space between the mode and node name */
4867 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4868 ai->config.nodeName[j] = line[j];
4870 set_bit (FLAG_COMMIT, &ai->flags);
4873 /*** PowerMode processing */
4874 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4876 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4877 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 } else if ( !strncmp( line, "PSP", 3 ) ) {
4880 ai->config.powerSaveMode = POWERSAVE_PSP;
4881 set_bit (FLAG_COMMIT, &ai->flags);
4883 ai->config.powerSaveMode = POWERSAVE_CAM;
4884 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4887 int v, i = 0, k = 0; /* i is index into line,
4888 k is index to rates */
4891 while((v = get_dec_u16(line, &i, 3))!=-1) {
4892 ai->config.rates[k++] = (u8)v;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4897 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4900 v = get_dec_u16(line, &i, i+3);
4902 ai->config.channelSet = cpu_to_le16(v);
4903 set_bit (FLAG_COMMIT, &ai->flags);
4905 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4908 v = get_dec_u16(line, &i, i+3);
4910 ai->config.txPower = cpu_to_le16(v);
4911 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4917 ai->config.authType = AUTH_SHAREDKEY;
4920 ai->config.authType = AUTH_ENCRYPT;
4923 ai->config.authType = AUTH_OPEN;
4926 set_bit (FLAG_COMMIT, &ai->flags);
4927 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4931 v = get_dec_u16(line, &i, 3);
4932 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4933 ai->config.longRetryLimit = cpu_to_le16(v);
4934 set_bit (FLAG_COMMIT, &ai->flags);
4935 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4939 v = get_dec_u16(line, &i, 3);
4940 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4941 ai->config.shortRetryLimit = cpu_to_le16(v);
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4947 v = get_dec_u16(line, &i, 4);
4948 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4949 ai->config.rtsThres = cpu_to_le16(v);
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4955 v = get_dec_u16(line, &i, 5);
4957 ai->config.txLifetime = cpu_to_le16(v);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4963 v = get_dec_u16(line, &i, 5);
4965 ai->config.rxLifetime = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4968 ai->config.txDiversity =
4969 (line[13]=='l') ? 1 :
4970 ((line[13]=='r')? 2: 3);
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4973 ai->config.rxDiversity =
4974 (line[13]=='l') ? 1 :
4975 ((line[13]=='r')? 2: 3);
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4981 v = get_dec_u16(line, &i, 4);
4982 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4983 v = v & 0xfffe; /* Make sure its even */
4984 ai->config.fragThresh = cpu_to_le16(v);
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if (!strncmp(line, "Modulation: ", 12)) {
4989 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4992 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4994 } else if (!strncmp(line, "Preamble: ", 10)) {
4997 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5003 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5005 while( line[0] && line[0] != '\n' ) line++;
5006 if ( line[0] ) line++;
5008 airo_config_commit(dev, NULL, NULL, NULL);
5011 static const char *get_rmode(__le16 mode)
5013 switch(mode & RXMODE_MASK) {
5014 case RXMODE_RFMON: return "rfmon";
5015 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5016 case RXMODE_LANMON: return "lanmon";
5021 static int proc_config_open(struct inode *inode, struct file *file)
5023 struct proc_data *data;
5024 struct proc_dir_entry *dp = PDE(inode);
5025 struct net_device *dev = dp->data;
5026 struct airo_info *ai = dev->ml_priv;
5030 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5032 data = file->private_data;
5033 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5034 kfree (file->private_data);
5037 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (data->rbuffer);
5039 kfree (file->private_data);
5042 data->maxwritelen = 2048;
5043 data->on_close = proc_config_on_close;
5045 readConfigRid(ai, 1);
5047 mode = ai->config.opmode & MODE_CFG_MASK;
5048 i = sprintf( data->rbuffer,
5053 "DataRates: %d %d %d %d %d %d %d %d\n"
5056 mode == MODE_STA_IBSS ? "adhoc" :
5057 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5058 mode == MODE_AP ? "AP" :
5059 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5060 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5061 ai->config.nodeName,
5062 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5063 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5064 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5066 (int)ai->config.rates[0],
5067 (int)ai->config.rates[1],
5068 (int)ai->config.rates[2],
5069 (int)ai->config.rates[3],
5070 (int)ai->config.rates[4],
5071 (int)ai->config.rates[5],
5072 (int)ai->config.rates[6],
5073 (int)ai->config.rates[7],
5074 le16_to_cpu(ai->config.channelSet),
5075 le16_to_cpu(ai->config.txPower)
5077 sprintf( data->rbuffer + i,
5078 "LongRetryLimit: %d\n"
5079 "ShortRetryLimit: %d\n"
5080 "RTSThreshold: %d\n"
5081 "TXMSDULifetime: %d\n"
5082 "RXMSDULifetime: %d\n"
5085 "FragThreshold: %d\n"
5089 le16_to_cpu(ai->config.longRetryLimit),
5090 le16_to_cpu(ai->config.shortRetryLimit),
5091 le16_to_cpu(ai->config.rtsThres),
5092 le16_to_cpu(ai->config.txLifetime),
5093 le16_to_cpu(ai->config.rxLifetime),
5094 ai->config.txDiversity == 1 ? "left" :
5095 ai->config.txDiversity == 2 ? "right" : "both",
5096 ai->config.rxDiversity == 1 ? "left" :
5097 ai->config.rxDiversity == 2 ? "right" : "both",
5098 le16_to_cpu(ai->config.fragThresh),
5099 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5100 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5101 ai->config.modulation == MOD_DEFAULT ? "default" :
5102 ai->config.modulation == MOD_CCK ? "cck" :
5103 ai->config.modulation == MOD_MOK ? "mok" : "error",
5104 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5105 ai->config.preamble == PREAMBLE_LONG ? "long" :
5106 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5108 data->readlen = strlen( data->rbuffer );
5112 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5114 struct proc_data *data = file->private_data;
5115 struct proc_dir_entry *dp = PDE(inode);
5116 struct net_device *dev = dp->data;
5117 struct airo_info *ai = dev->ml_priv;
5120 char *p = data->wbuffer;
5121 char *end = p + data->writelen;
5123 if (!data->writelen)
5126 *end = '\n'; /* sentinel; we have space for it */
5128 memset(&SSID_rid, 0, sizeof(SSID_rid));
5130 for (i = 0; i < 3 && p < end; i++) {
5132 /* copy up to 32 characters from this line */
5133 while (*p != '\n' && j < 32)
5134 SSID_rid.ssids[i].ssid[j++] = *p++;
5137 SSID_rid.ssids[i].len = cpu_to_le16(j);
5138 /* skip to the beginning of the next line */
5139 while (*p++ != '\n')
5143 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5145 writeSsidRid(ai, &SSID_rid, 1);
5149 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5150 struct proc_data *data = file->private_data;
5151 struct proc_dir_entry *dp = PDE(inode);
5152 struct net_device *dev = dp->data;
5153 struct airo_info *ai = dev->ml_priv;
5154 APListRid APList_rid;
5157 if ( !data->writelen ) return;
5159 memset( &APList_rid, 0, sizeof(APList_rid) );
5160 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5162 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5164 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5167 APList_rid.ap[i][j/3]=
5168 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5171 APList_rid.ap[i][j/3]|=
5172 hex_to_bin(data->wbuffer[j+i*6*3]);
5178 writeAPListRid(ai, &APList_rid, 1);
5182 /* This function wraps PC4500_writerid with a MAC disable */
5183 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5184 int len, int dummy ) {
5188 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5193 /* Returns the WEP key at the specified index, or -1 if that key does
5194 * not exist. The buffer is assumed to be at least 16 bytes in length.
5196 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5202 rc = readWepKeyRid(ai, &wkr, 1, 1);
5206 lastindex = wkr.kindex;
5207 if (le16_to_cpu(wkr.kindex) == index) {
5208 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5209 memcpy(buf, wkr.key, klen);
5212 rc = readWepKeyRid(ai, &wkr, 0, 1);
5215 } while (lastindex != wkr.kindex);
5219 static int get_wep_tx_idx(struct airo_info *ai)
5225 rc = readWepKeyRid(ai, &wkr, 1, 1);
5229 lastindex = wkr.kindex;
5230 if (wkr.kindex == cpu_to_le16(0xffff))
5232 rc = readWepKeyRid(ai, &wkr, 0, 1);
5235 } while (lastindex != wkr.kindex);
5239 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5240 u16 keylen, int perm, int lock)
5242 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5246 if (WARN_ON(keylen == 0))
5249 memset(&wkr, 0, sizeof(wkr));
5250 wkr.len = cpu_to_le16(sizeof(wkr));
5251 wkr.kindex = cpu_to_le16(index);
5252 wkr.klen = cpu_to_le16(keylen);
5253 memcpy(wkr.key, key, keylen);
5254 memcpy(wkr.mac, macaddr, ETH_ALEN);
5256 if (perm) disable_MAC(ai, lock);
5257 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5258 if (perm) enable_MAC(ai, lock);
5262 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5267 memset(&wkr, 0, sizeof(wkr));
5268 wkr.len = cpu_to_le16(sizeof(wkr));
5269 wkr.kindex = cpu_to_le16(0xffff);
5270 wkr.mac[0] = (char)index;
5273 ai->defindex = (char)index;
5274 disable_MAC(ai, lock);
5277 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5280 enable_MAC(ai, lock);
5284 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5285 struct proc_data *data;
5286 struct proc_dir_entry *dp = PDE(inode);
5287 struct net_device *dev = dp->data;
5288 struct airo_info *ai = dev->ml_priv;
5294 memset(key, 0, sizeof(key));
5296 data = file->private_data;
5297 if ( !data->writelen ) return;
5299 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5300 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5301 index = data->wbuffer[0] - '0';
5302 if (data->wbuffer[1] == '\n') {
5303 rc = set_wep_tx_idx(ai, index, 1, 1);
5305 airo_print_err(ai->dev->name, "failed to set "
5306 "WEP transmit index to %d: %d.",
5313 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5317 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5320 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5323 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5328 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5330 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5331 "%d: %d.", index, rc);
5335 static int proc_wepkey_open( struct inode *inode, struct file *file )
5337 struct proc_data *data;
5338 struct proc_dir_entry *dp = PDE(inode);
5339 struct net_device *dev = dp->data;
5340 struct airo_info *ai = dev->ml_priv;
5347 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5349 memset(&wkr, 0, sizeof(wkr));
5350 data = file->private_data;
5351 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5352 kfree (file->private_data);
5356 data->maxwritelen = 80;
5357 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5358 kfree (data->rbuffer);
5359 kfree (file->private_data);
5362 data->on_close = proc_wepkey_on_close;
5364 ptr = data->rbuffer;
5365 strcpy(ptr, "No wep keys\n");
5366 rc = readWepKeyRid(ai, &wkr, 1, 1);
5367 if (rc == SUCCESS) do {
5368 lastindex = wkr.kindex;
5369 if (wkr.kindex == cpu_to_le16(0xffff)) {
5370 j += sprintf(ptr+j, "Tx key = %d\n",
5373 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5374 le16_to_cpu(wkr.kindex),
5375 le16_to_cpu(wkr.klen));
5377 readWepKeyRid(ai, &wkr, 0, 1);
5378 } while((lastindex != wkr.kindex) && (j < 180-30));
5380 data->readlen = strlen( data->rbuffer );
5384 static int proc_SSID_open(struct inode *inode, struct file *file)
5386 struct proc_data *data;
5387 struct proc_dir_entry *dp = PDE(inode);
5388 struct net_device *dev = dp->data;
5389 struct airo_info *ai = dev->ml_priv;
5394 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5396 data = file->private_data;
5397 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5398 kfree (file->private_data);
5402 data->maxwritelen = 33*3;
5403 /* allocate maxwritelen + 1; we'll want a sentinel */
5404 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5405 kfree (data->rbuffer);
5406 kfree (file->private_data);
5409 data->on_close = proc_SSID_on_close;
5411 readSsidRid(ai, &SSID_rid);
5412 ptr = data->rbuffer;
5413 for (i = 0; i < 3; i++) {
5415 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5420 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5421 *ptr++ = SSID_rid.ssids[i].ssid[j];
5425 data->readlen = strlen( data->rbuffer );
5429 static int proc_APList_open( struct inode *inode, struct file *file ) {
5430 struct proc_data *data;
5431 struct proc_dir_entry *dp = PDE(inode);
5432 struct net_device *dev = dp->data;
5433 struct airo_info *ai = dev->ml_priv;
5436 APListRid APList_rid;
5438 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5440 data = file->private_data;
5441 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5442 kfree (file->private_data);
5446 data->maxwritelen = 4*6*3;
5447 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5448 kfree (data->rbuffer);
5449 kfree (file->private_data);
5452 data->on_close = proc_APList_on_close;
5454 readAPListRid(ai, &APList_rid);
5455 ptr = data->rbuffer;
5456 for( i = 0; i < 4; i++ ) {
5457 // We end when we find a zero MAC
5458 if ( !*(int*)APList_rid.ap[i] &&
5459 !*(int*)&APList_rid.ap[i][2]) break;
5460 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5462 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5465 data->readlen = strlen( data->rbuffer );
5469 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5470 struct proc_data *data;
5471 struct proc_dir_entry *dp = PDE(inode);
5472 struct net_device *dev = dp->data;
5473 struct airo_info *ai = dev->ml_priv;
5475 BSSListRid BSSList_rid;
5477 /* If doLoseSync is not 1, we won't do a Lose Sync */
5478 int doLoseSync = -1;
5480 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5482 data = file->private_data;
5483 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5484 kfree (file->private_data);
5488 data->maxwritelen = 0;
5489 data->wbuffer = NULL;
5490 data->on_close = NULL;
5492 if (file->f_mode & FMODE_WRITE) {
5493 if (!(file->f_mode & FMODE_READ)) {
5497 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5498 memset(&cmd, 0, sizeof(cmd));
5499 cmd.cmd=CMD_LISTBSS;
5500 if (down_interruptible(&ai->sem))
5501 return -ERESTARTSYS;
5502 issuecommand(ai, &cmd, &rsp);
5509 ptr = data->rbuffer;
5510 /* There is a race condition here if there are concurrent opens.
5511 Since it is a rare condition, we'll just live with it, otherwise
5512 we have to add a spin lock... */
5513 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5514 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5515 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5517 (int)BSSList_rid.ssidLen,
5519 le16_to_cpu(BSSList_rid.dBm));
5520 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5521 le16_to_cpu(BSSList_rid.dsChannel),
5522 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5523 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5524 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5525 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5526 rc = readBSSListRid(ai, 0, &BSSList_rid);
5529 data->readlen = strlen( data->rbuffer );
5533 static int proc_close( struct inode *inode, struct file *file )
5535 struct proc_data *data = file->private_data;
5537 if (data->on_close != NULL)
5538 data->on_close(inode, file);
5539 kfree(data->rbuffer);
5540 kfree(data->wbuffer);
5545 /* Since the card doesn't automatically switch to the right WEP mode,
5546 we will make it do it. If the card isn't associated, every secs we
5547 will switch WEP modes to see if that will help. If the card is
5548 associated we will check every minute to see if anything has
5550 static void timer_func( struct net_device *dev ) {
5551 struct airo_info *apriv = dev->ml_priv;
5553 /* We don't have a link so try changing the authtype */
5554 readConfigRid(apriv, 0);
5555 disable_MAC(apriv, 0);
5556 switch(apriv->config.authType) {
5558 /* So drop to OPEN */
5559 apriv->config.authType = AUTH_OPEN;
5561 case AUTH_SHAREDKEY:
5562 if (apriv->keyindex < auto_wep) {
5563 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5564 apriv->config.authType = AUTH_SHAREDKEY;
5567 /* Drop to ENCRYPT */
5568 apriv->keyindex = 0;
5569 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5570 apriv->config.authType = AUTH_ENCRYPT;
5573 default: /* We'll escalate to SHAREDKEY */
5574 apriv->config.authType = AUTH_SHAREDKEY;
5576 set_bit (FLAG_COMMIT, &apriv->flags);
5577 writeConfigRid(apriv, 0);
5578 enable_MAC(apriv, 0);
5581 /* Schedule check to see if the change worked */
5582 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5583 apriv->expires = RUN_AT(HZ*3);
5587 static int airo_pci_probe(struct pci_dev *pdev,
5588 const struct pci_device_id *pent)
5590 struct net_device *dev;
5592 if (pci_enable_device(pdev))
5594 pci_set_master(pdev);
5596 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5597 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5599 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5601 pci_disable_device(pdev);
5605 pci_set_drvdata(pdev, dev);
5609 static void airo_pci_remove(struct pci_dev *pdev)
5611 struct net_device *dev = pci_get_drvdata(pdev);
5613 airo_print_info(dev->name, "Unregistering...");
5614 stop_airo_card(dev, 1);
5615 pci_disable_device(pdev);
5616 pci_set_drvdata(pdev, NULL);
5619 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5621 struct net_device *dev = pci_get_drvdata(pdev);
5622 struct airo_info *ai = dev->ml_priv;
5627 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5631 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5634 readAPListRid(ai, ai->APList);
5635 readSsidRid(ai, ai->SSID);
5636 memset(&cmd, 0, sizeof(cmd));
5637 /* the lock will be released at the end of the resume callback */
5638 if (down_interruptible(&ai->sem))
5641 netif_device_detach(dev);
5643 cmd.cmd = HOSTSLEEP;
5644 issuecommand(ai, &cmd, &rsp);
5646 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5647 pci_save_state(pdev);
5648 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5652 static int airo_pci_resume(struct pci_dev *pdev)
5654 struct net_device *dev = pci_get_drvdata(pdev);
5655 struct airo_info *ai = dev->ml_priv;
5656 pci_power_t prev_state = pdev->current_state;
5658 pci_set_power_state(pdev, PCI_D0);
5659 pci_restore_state(pdev);
5660 pci_enable_wake(pdev, PCI_D0, 0);
5662 if (prev_state != PCI_D1) {
5664 mpi_init_descriptors(ai);
5665 setup_card(ai, dev->dev_addr, 0);
5666 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5667 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5669 OUT4500(ai, EVACK, EV_AWAKEN);
5670 OUT4500(ai, EVACK, EV_AWAKEN);
5674 set_bit(FLAG_COMMIT, &ai->flags);
5678 writeSsidRid(ai, ai->SSID, 0);
5683 writeAPListRid(ai, ai->APList, 0);
5687 writeConfigRid(ai, 0);
5689 ai->power = PMSG_ON;
5690 netif_device_attach(dev);
5691 netif_wake_queue(dev);
5692 enable_interrupts(ai);
5698 static int __init airo_init_module( void )
5702 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5703 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5704 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5707 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5710 airo_entry->uid = proc_kuid;
5711 airo_entry->gid = proc_kgid;
5714 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5715 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5716 "io=0x%x", irq[i], io[i] );
5717 if (init_airo_card( irq[i], io[i], 0, NULL ))
5722 airo_print_info("", "Probing for PCI adapters");
5723 i = pci_register_driver(&airo_driver);
5724 airo_print_info("", "Finished probing for PCI adapters");
5727 remove_proc_entry("driver/aironet", NULL);
5732 /* Always exit with success, as we are a library module
5733 * as well as a driver module
5738 static void __exit airo_cleanup_module( void )
5740 struct airo_info *ai;
5741 while(!list_empty(&airo_devices)) {
5742 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5743 airo_print_info(ai->dev->name, "Unregistering...");
5744 stop_airo_card(ai->dev, 1);
5747 pci_unregister_driver(&airo_driver);
5749 remove_proc_entry("driver/aironet", NULL);
5753 * Initial Wireless Extension code for Aironet driver by :
5754 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5755 * Conversion to new driver API by :
5756 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5757 * Javier also did a good amount of work here, adding some new extensions
5758 * and fixing my code. Let's just say that without him this code just
5759 * would not work at all... - Jean II
5762 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5767 return (0x100 - rssi_rid[rssi].rssidBm);
5770 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5777 for (i = 0; i < 256; i++)
5778 if (rssi_rid[i].rssidBm == dbm)
5779 return rssi_rid[i].rssipct;
5785 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5790 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5793 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5796 sq = le16_to_cpu(status_rid->signalQuality);
5797 if (memcmp(cap_rid->prodName, "350", 3))
5801 quality = 0x20 - sq;
5808 quality = 0xb0 - sq;
5812 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5813 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5815 /*------------------------------------------------------------------*/
5817 * Wireless Handler : get protocol name
5819 static int airo_get_name(struct net_device *dev,
5820 struct iw_request_info *info,
5824 strcpy(cwrq, "IEEE 802.11-DS");
5828 /*------------------------------------------------------------------*/
5830 * Wireless Handler : set frequency
5832 static int airo_set_freq(struct net_device *dev,
5833 struct iw_request_info *info,
5834 struct iw_freq *fwrq,
5837 struct airo_info *local = dev->ml_priv;
5838 int rc = -EINPROGRESS; /* Call commit handler */
5840 /* If setting by frequency, convert to a channel */
5842 int f = fwrq->m / 100000;
5844 /* Hack to fall through... */
5846 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5848 /* Setting by channel number */
5849 if((fwrq->m > 1000) || (fwrq->e > 0))
5852 int channel = fwrq->m;
5853 /* We should do a better check than that,
5854 * based on the card capability !!! */
5855 if((channel < 1) || (channel > 14)) {
5856 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5860 readConfigRid(local, 1);
5861 /* Yes ! We can set it !!! */
5862 local->config.channelSet = cpu_to_le16(channel);
5863 set_bit (FLAG_COMMIT, &local->flags);
5869 /*------------------------------------------------------------------*/
5871 * Wireless Handler : get frequency
5873 static int airo_get_freq(struct net_device *dev,
5874 struct iw_request_info *info,
5875 struct iw_freq *fwrq,
5878 struct airo_info *local = dev->ml_priv;
5879 StatusRid status_rid; /* Card status info */
5882 readConfigRid(local, 1);
5883 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5884 status_rid.channel = local->config.channelSet;
5886 readStatusRid(local, &status_rid, 1);
5888 ch = le16_to_cpu(status_rid.channel);
5889 if((ch > 0) && (ch < 15)) {
5890 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5900 /*------------------------------------------------------------------*/
5902 * Wireless Handler : set ESSID
5904 static int airo_set_essid(struct net_device *dev,
5905 struct iw_request_info *info,
5906 struct iw_point *dwrq,
5909 struct airo_info *local = dev->ml_priv;
5910 SsidRid SSID_rid; /* SSIDs */
5912 /* Reload the list of current SSID */
5913 readSsidRid(local, &SSID_rid);
5915 /* Check if we asked for `any' */
5916 if (dwrq->flags == 0) {
5917 /* Just send an empty SSID list */
5918 memset(&SSID_rid, 0, sizeof(SSID_rid));
5920 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5922 /* Check the size of the string */
5923 if (dwrq->length > IW_ESSID_MAX_SIZE)
5926 /* Check if index is valid */
5927 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5931 memset(SSID_rid.ssids[index].ssid, 0,
5932 sizeof(SSID_rid.ssids[index].ssid));
5933 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5934 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5936 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5937 /* Write it to the card */
5938 disable_MAC(local, 1);
5939 writeSsidRid(local, &SSID_rid, 1);
5940 enable_MAC(local, 1);
5945 /*------------------------------------------------------------------*/
5947 * Wireless Handler : get ESSID
5949 static int airo_get_essid(struct net_device *dev,
5950 struct iw_request_info *info,
5951 struct iw_point *dwrq,
5954 struct airo_info *local = dev->ml_priv;
5955 StatusRid status_rid; /* Card status info */
5957 readStatusRid(local, &status_rid, 1);
5959 /* Note : if dwrq->flags != 0, we should
5960 * get the relevant SSID from the SSID list... */
5962 /* Get the current SSID */
5963 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5964 /* If none, we may want to get the one that was set */
5967 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5968 dwrq->flags = 1; /* active */
5973 /*------------------------------------------------------------------*/
5975 * Wireless Handler : set AP address
5977 static int airo_set_wap(struct net_device *dev,
5978 struct iw_request_info *info,
5979 struct sockaddr *awrq,
5982 struct airo_info *local = dev->ml_priv;
5985 APListRid APList_rid;
5987 if (awrq->sa_family != ARPHRD_ETHER)
5989 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5990 is_zero_ether_addr(awrq->sa_data)) {
5991 memset(&cmd, 0, sizeof(cmd));
5992 cmd.cmd=CMD_LOSE_SYNC;
5993 if (down_interruptible(&local->sem))
5994 return -ERESTARTSYS;
5995 issuecommand(local, &cmd, &rsp);
5998 memset(&APList_rid, 0, sizeof(APList_rid));
5999 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6000 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6001 disable_MAC(local, 1);
6002 writeAPListRid(local, &APList_rid, 1);
6003 enable_MAC(local, 1);
6008 /*------------------------------------------------------------------*/
6010 * Wireless Handler : get AP address
6012 static int airo_get_wap(struct net_device *dev,
6013 struct iw_request_info *info,
6014 struct sockaddr *awrq,
6017 struct airo_info *local = dev->ml_priv;
6018 StatusRid status_rid; /* Card status info */
6020 readStatusRid(local, &status_rid, 1);
6022 /* Tentative. This seems to work, wow, I'm lucky !!! */
6023 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6024 awrq->sa_family = ARPHRD_ETHER;
6029 /*------------------------------------------------------------------*/
6031 * Wireless Handler : set Nickname
6033 static int airo_set_nick(struct net_device *dev,
6034 struct iw_request_info *info,
6035 struct iw_point *dwrq,
6038 struct airo_info *local = dev->ml_priv;
6040 /* Check the size of the string */
6041 if(dwrq->length > 16) {
6044 readConfigRid(local, 1);
6045 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6046 memcpy(local->config.nodeName, extra, dwrq->length);
6047 set_bit (FLAG_COMMIT, &local->flags);
6049 return -EINPROGRESS; /* Call commit handler */
6052 /*------------------------------------------------------------------*/
6054 * Wireless Handler : get Nickname
6056 static int airo_get_nick(struct net_device *dev,
6057 struct iw_request_info *info,
6058 struct iw_point *dwrq,
6061 struct airo_info *local = dev->ml_priv;
6063 readConfigRid(local, 1);
6064 strncpy(extra, local->config.nodeName, 16);
6066 dwrq->length = strlen(extra);
6071 /*------------------------------------------------------------------*/
6073 * Wireless Handler : set Bit-Rate
6075 static int airo_set_rate(struct net_device *dev,
6076 struct iw_request_info *info,
6077 struct iw_param *vwrq,
6080 struct airo_info *local = dev->ml_priv;
6081 CapabilityRid cap_rid; /* Card capability info */
6085 /* First : get a valid bit rate value */
6086 readCapabilityRid(local, &cap_rid, 1);
6088 /* Which type of value ? */
6089 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6090 /* Setting by rate index */
6091 /* Find value in the magic rate table */
6092 brate = cap_rid.supportedRates[vwrq->value];
6094 /* Setting by frequency value */
6095 u8 normvalue = (u8) (vwrq->value/500000);
6097 /* Check if rate is valid */
6098 for(i = 0 ; i < 8 ; i++) {
6099 if(normvalue == cap_rid.supportedRates[i]) {
6105 /* -1 designed the max rate (mostly auto mode) */
6106 if(vwrq->value == -1) {
6107 /* Get the highest available rate */
6108 for(i = 0 ; i < 8 ; i++) {
6109 if(cap_rid.supportedRates[i] == 0)
6113 brate = cap_rid.supportedRates[i - 1];
6115 /* Check that it is valid */
6120 readConfigRid(local, 1);
6121 /* Now, check if we want a fixed or auto value */
6122 if(vwrq->fixed == 0) {
6123 /* Fill all the rates up to this max rate */
6124 memset(local->config.rates, 0, 8);
6125 for(i = 0 ; i < 8 ; i++) {
6126 local->config.rates[i] = cap_rid.supportedRates[i];
6127 if(local->config.rates[i] == brate)
6132 /* One rate, fixed */
6133 memset(local->config.rates, 0, 8);
6134 local->config.rates[0] = brate;
6136 set_bit (FLAG_COMMIT, &local->flags);
6138 return -EINPROGRESS; /* Call commit handler */
6141 /*------------------------------------------------------------------*/
6143 * Wireless Handler : get Bit-Rate
6145 static int airo_get_rate(struct net_device *dev,
6146 struct iw_request_info *info,
6147 struct iw_param *vwrq,
6150 struct airo_info *local = dev->ml_priv;
6151 StatusRid status_rid; /* Card status info */
6153 readStatusRid(local, &status_rid, 1);
6155 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6156 /* If more than one rate, set auto */
6157 readConfigRid(local, 1);
6158 vwrq->fixed = (local->config.rates[1] == 0);
6163 /*------------------------------------------------------------------*/
6165 * Wireless Handler : set RTS threshold
6167 static int airo_set_rts(struct net_device *dev,
6168 struct iw_request_info *info,
6169 struct iw_param *vwrq,
6172 struct airo_info *local = dev->ml_priv;
6173 int rthr = vwrq->value;
6176 rthr = AIRO_DEF_MTU;
6177 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6180 readConfigRid(local, 1);
6181 local->config.rtsThres = cpu_to_le16(rthr);
6182 set_bit (FLAG_COMMIT, &local->flags);
6184 return -EINPROGRESS; /* Call commit handler */
6187 /*------------------------------------------------------------------*/
6189 * Wireless Handler : get RTS threshold
6191 static int airo_get_rts(struct net_device *dev,
6192 struct iw_request_info *info,
6193 struct iw_param *vwrq,
6196 struct airo_info *local = dev->ml_priv;
6198 readConfigRid(local, 1);
6199 vwrq->value = le16_to_cpu(local->config.rtsThres);
6200 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6206 /*------------------------------------------------------------------*/
6208 * Wireless Handler : set Fragmentation threshold
6210 static int airo_set_frag(struct net_device *dev,
6211 struct iw_request_info *info,
6212 struct iw_param *vwrq,
6215 struct airo_info *local = dev->ml_priv;
6216 int fthr = vwrq->value;
6219 fthr = AIRO_DEF_MTU;
6220 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6223 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6224 readConfigRid(local, 1);
6225 local->config.fragThresh = cpu_to_le16(fthr);
6226 set_bit (FLAG_COMMIT, &local->flags);
6228 return -EINPROGRESS; /* Call commit handler */
6231 /*------------------------------------------------------------------*/
6233 * Wireless Handler : get Fragmentation threshold
6235 static int airo_get_frag(struct net_device *dev,
6236 struct iw_request_info *info,
6237 struct iw_param *vwrq,
6240 struct airo_info *local = dev->ml_priv;
6242 readConfigRid(local, 1);
6243 vwrq->value = le16_to_cpu(local->config.fragThresh);
6244 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6250 /*------------------------------------------------------------------*/
6252 * Wireless Handler : set Mode of Operation
6254 static int airo_set_mode(struct net_device *dev,
6255 struct iw_request_info *info,
6259 struct airo_info *local = dev->ml_priv;
6262 readConfigRid(local, 1);
6263 if (sniffing_mode(local))
6268 local->config.opmode &= ~MODE_CFG_MASK;
6269 local->config.opmode |= MODE_STA_IBSS;
6270 local->config.rmode &= ~RXMODE_FULL_MASK;
6271 local->config.scanMode = SCANMODE_ACTIVE;
6272 clear_bit (FLAG_802_11, &local->flags);
6275 local->config.opmode &= ~MODE_CFG_MASK;
6276 local->config.opmode |= MODE_STA_ESS;
6277 local->config.rmode &= ~RXMODE_FULL_MASK;
6278 local->config.scanMode = SCANMODE_ACTIVE;
6279 clear_bit (FLAG_802_11, &local->flags);
6281 case IW_MODE_MASTER:
6282 local->config.opmode &= ~MODE_CFG_MASK;
6283 local->config.opmode |= MODE_AP;
6284 local->config.rmode &= ~RXMODE_FULL_MASK;
6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6288 case IW_MODE_REPEAT:
6289 local->config.opmode &= ~MODE_CFG_MASK;
6290 local->config.opmode |= MODE_AP_RPTR;
6291 local->config.rmode &= ~RXMODE_FULL_MASK;
6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6295 case IW_MODE_MONITOR:
6296 local->config.opmode &= ~MODE_CFG_MASK;
6297 local->config.opmode |= MODE_STA_ESS;
6298 local->config.rmode &= ~RXMODE_FULL_MASK;
6299 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6300 local->config.scanMode = SCANMODE_PASSIVE;
6301 set_bit (FLAG_802_11, &local->flags);
6307 set_bit (FLAG_RESET, &local->flags);
6308 set_bit (FLAG_COMMIT, &local->flags);
6310 return -EINPROGRESS; /* Call commit handler */
6313 /*------------------------------------------------------------------*/
6315 * Wireless Handler : get Mode of Operation
6317 static int airo_get_mode(struct net_device *dev,
6318 struct iw_request_info *info,
6322 struct airo_info *local = dev->ml_priv;
6324 readConfigRid(local, 1);
6325 /* If not managed, assume it's ad-hoc */
6326 switch (local->config.opmode & MODE_CFG_MASK) {
6328 *uwrq = IW_MODE_INFRA;
6331 *uwrq = IW_MODE_MASTER;
6334 *uwrq = IW_MODE_REPEAT;
6337 *uwrq = IW_MODE_ADHOC;
6343 static inline int valid_index(struct airo_info *ai, int index)
6345 return (index >= 0) && (index <= ai->max_wep_idx);
6348 /*------------------------------------------------------------------*/
6350 * Wireless Handler : set Encryption Key
6352 static int airo_set_encode(struct net_device *dev,
6353 struct iw_request_info *info,
6354 struct iw_point *dwrq,
6357 struct airo_info *local = dev->ml_priv;
6358 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6359 __le16 currentAuthType = local->config.authType;
6362 if (!local->wep_capable)
6365 readConfigRid(local, 1);
6367 /* Basic checking: do we have a key to set ?
6368 * Note : with the new API, it's impossible to get a NULL pointer.
6369 * Therefore, we need to check a key size == 0 instead.
6370 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6371 * when no key is present (only change flags), but older versions
6372 * don't do it. - Jean II */
6373 if (dwrq->length > 0) {
6375 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6378 /* Check the size of the key */
6379 if (dwrq->length > MAX_KEY_SIZE) {
6383 current_index = get_wep_tx_idx(local);
6384 if (current_index < 0)
6387 /* Check the index (none -> use current) */
6388 if (!valid_index(local, index))
6389 index = current_index;
6391 /* Set the length */
6392 if (dwrq->length > MIN_KEY_SIZE)
6393 key.len = MAX_KEY_SIZE;
6395 key.len = MIN_KEY_SIZE;
6396 /* Check if the key is not marked as invalid */
6397 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6399 memset(key.key, 0, MAX_KEY_SIZE);
6400 /* Copy the key in the driver */
6401 memcpy(key.key, extra, dwrq->length);
6402 /* Send the key to the card */
6403 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6405 airo_print_err(local->dev->name, "failed to set"
6406 " WEP key at index %d: %d.",
6411 /* WE specify that if a valid key is set, encryption
6412 * should be enabled (user may turn it off later)
6413 * This is also how "iwconfig ethX key on" works */
6414 if((index == current_index) && (key.len > 0) &&
6415 (local->config.authType == AUTH_OPEN)) {
6416 local->config.authType = AUTH_ENCRYPT;
6419 /* Do we want to just set the transmit key index ? */
6420 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6421 if (valid_index(local, index)) {
6422 rc = set_wep_tx_idx(local, index, perm, 1);
6424 airo_print_err(local->dev->name, "failed to set"
6425 " WEP transmit index to %d: %d.",
6430 /* Don't complain if only change the mode */
6431 if (!(dwrq->flags & IW_ENCODE_MODE))
6435 /* Read the flags */
6436 if(dwrq->flags & IW_ENCODE_DISABLED)
6437 local->config.authType = AUTH_OPEN; // disable encryption
6438 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6439 local->config.authType = AUTH_SHAREDKEY; // Only Both
6440 if(dwrq->flags & IW_ENCODE_OPEN)
6441 local->config.authType = AUTH_ENCRYPT; // Only Wep
6442 /* Commit the changes to flags if needed */
6443 if (local->config.authType != currentAuthType)
6444 set_bit (FLAG_COMMIT, &local->flags);
6445 return -EINPROGRESS; /* Call commit handler */
6448 /*------------------------------------------------------------------*/
6450 * Wireless Handler : get Encryption Key
6452 static int airo_get_encode(struct net_device *dev,
6453 struct iw_request_info *info,
6454 struct iw_point *dwrq,
6457 struct airo_info *local = dev->ml_priv;
6458 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6462 if (!local->wep_capable)
6465 readConfigRid(local, 1);
6467 /* Check encryption mode */
6468 switch(local->config.authType) {
6470 dwrq->flags = IW_ENCODE_OPEN;
6472 case AUTH_SHAREDKEY:
6473 dwrq->flags = IW_ENCODE_RESTRICTED;
6477 dwrq->flags = IW_ENCODE_DISABLED;
6480 /* We can't return the key, so set the proper flag and return zero */
6481 dwrq->flags |= IW_ENCODE_NOKEY;
6482 memset(extra, 0, 16);
6484 /* Which key do we want ? -1 -> tx index */
6485 if (!valid_index(local, index)) {
6486 index = get_wep_tx_idx(local);
6490 dwrq->flags |= index + 1;
6492 /* Copy the key to the user buffer */
6493 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6494 if (wep_key_len < 0) {
6497 dwrq->length = wep_key_len;
6498 memcpy(extra, buf, dwrq->length);
6504 /*------------------------------------------------------------------*/
6506 * Wireless Handler : set extended Encryption parameters
6508 static int airo_set_encodeext(struct net_device *dev,
6509 struct iw_request_info *info,
6510 union iwreq_data *wrqu,
6513 struct airo_info *local = dev->ml_priv;
6514 struct iw_point *encoding = &wrqu->encoding;
6515 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6516 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6517 __le16 currentAuthType = local->config.authType;
6518 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6521 if (!local->wep_capable)
6524 readConfigRid(local, 1);
6526 /* Determine and validate the key index */
6527 idx = encoding->flags & IW_ENCODE_INDEX;
6529 if (!valid_index(local, idx - 1))
6533 idx = get_wep_tx_idx(local);
6538 if (encoding->flags & IW_ENCODE_DISABLED)
6539 alg = IW_ENCODE_ALG_NONE;
6541 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6542 /* Only set transmit key index here, actual
6543 * key is set below if needed.
6545 rc = set_wep_tx_idx(local, idx, perm, 1);
6547 airo_print_err(local->dev->name, "failed to set "
6548 "WEP transmit index to %d: %d.",
6552 set_key = ext->key_len > 0 ? 1 : 0;
6556 /* Set the requested key first */
6557 memset(key.key, 0, MAX_KEY_SIZE);
6559 case IW_ENCODE_ALG_NONE:
6562 case IW_ENCODE_ALG_WEP:
6563 if (ext->key_len > MIN_KEY_SIZE) {
6564 key.len = MAX_KEY_SIZE;
6565 } else if (ext->key_len > 0) {
6566 key.len = MIN_KEY_SIZE;
6570 key_len = min (ext->key_len, key.len);
6571 memcpy(key.key, ext->key, key_len);
6577 rc = set_wep_tx_idx(local, idx, perm, 1);
6579 airo_print_err(local->dev->name,
6580 "failed to set WEP transmit index to %d: %d.",
6585 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6587 airo_print_err(local->dev->name,
6588 "failed to set WEP key at index %d: %d.",
6595 /* Read the flags */
6596 if(encoding->flags & IW_ENCODE_DISABLED)
6597 local->config.authType = AUTH_OPEN; // disable encryption
6598 if(encoding->flags & IW_ENCODE_RESTRICTED)
6599 local->config.authType = AUTH_SHAREDKEY; // Only Both
6600 if(encoding->flags & IW_ENCODE_OPEN)
6601 local->config.authType = AUTH_ENCRYPT; // Only Wep
6602 /* Commit the changes to flags if needed */
6603 if (local->config.authType != currentAuthType)
6604 set_bit (FLAG_COMMIT, &local->flags);
6606 return -EINPROGRESS;
6610 /*------------------------------------------------------------------*/
6612 * Wireless Handler : get extended Encryption parameters
6614 static int airo_get_encodeext(struct net_device *dev,
6615 struct iw_request_info *info,
6616 union iwreq_data *wrqu,
6619 struct airo_info *local = dev->ml_priv;
6620 struct iw_point *encoding = &wrqu->encoding;
6621 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6622 int idx, max_key_len, wep_key_len;
6625 if (!local->wep_capable)
6628 readConfigRid(local, 1);
6630 max_key_len = encoding->length - sizeof(*ext);
6631 if (max_key_len < 0)
6634 idx = encoding->flags & IW_ENCODE_INDEX;
6636 if (!valid_index(local, idx - 1))
6640 idx = get_wep_tx_idx(local);
6645 encoding->flags = idx + 1;
6646 memset(ext, 0, sizeof(*ext));
6648 /* Check encryption mode */
6649 switch(local->config.authType) {
6651 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6653 case AUTH_SHAREDKEY:
6654 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6658 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6661 /* We can't return the key, so set the proper flag and return zero */
6662 encoding->flags |= IW_ENCODE_NOKEY;
6663 memset(extra, 0, 16);
6665 /* Copy the key to the user buffer */
6666 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6667 if (wep_key_len < 0) {
6670 ext->key_len = wep_key_len;
6671 memcpy(extra, buf, ext->key_len);
6678 /*------------------------------------------------------------------*/
6680 * Wireless Handler : set extended authentication parameters
6682 static int airo_set_auth(struct net_device *dev,
6683 struct iw_request_info *info,
6684 union iwreq_data *wrqu, char *extra)
6686 struct airo_info *local = dev->ml_priv;
6687 struct iw_param *param = &wrqu->param;
6688 __le16 currentAuthType = local->config.authType;
6690 switch (param->flags & IW_AUTH_INDEX) {
6691 case IW_AUTH_WPA_VERSION:
6692 case IW_AUTH_CIPHER_PAIRWISE:
6693 case IW_AUTH_CIPHER_GROUP:
6694 case IW_AUTH_KEY_MGMT:
6695 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6696 case IW_AUTH_PRIVACY_INVOKED:
6698 * airo does not use these parameters
6702 case IW_AUTH_DROP_UNENCRYPTED:
6704 /* Only change auth type if unencrypted */
6705 if (currentAuthType == AUTH_OPEN)
6706 local->config.authType = AUTH_ENCRYPT;
6708 local->config.authType = AUTH_OPEN;
6711 /* Commit the changes to flags if needed */
6712 if (local->config.authType != currentAuthType)
6713 set_bit (FLAG_COMMIT, &local->flags);
6716 case IW_AUTH_80211_AUTH_ALG: {
6717 /* FIXME: What about AUTH_OPEN? This API seems to
6718 * disallow setting our auth to AUTH_OPEN.
6720 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6721 local->config.authType = AUTH_SHAREDKEY;
6722 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6723 local->config.authType = AUTH_ENCRYPT;
6727 /* Commit the changes to flags if needed */
6728 if (local->config.authType != currentAuthType)
6729 set_bit (FLAG_COMMIT, &local->flags);
6733 case IW_AUTH_WPA_ENABLED:
6734 /* Silently accept disable of WPA */
6735 if (param->value > 0)
6742 return -EINPROGRESS;
6746 /*------------------------------------------------------------------*/
6748 * Wireless Handler : get extended authentication parameters
6750 static int airo_get_auth(struct net_device *dev,
6751 struct iw_request_info *info,
6752 union iwreq_data *wrqu, char *extra)
6754 struct airo_info *local = dev->ml_priv;
6755 struct iw_param *param = &wrqu->param;
6756 __le16 currentAuthType = local->config.authType;
6758 switch (param->flags & IW_AUTH_INDEX) {
6759 case IW_AUTH_DROP_UNENCRYPTED:
6760 switch (currentAuthType) {
6761 case AUTH_SHAREDKEY:
6771 case IW_AUTH_80211_AUTH_ALG:
6772 switch (currentAuthType) {
6773 case AUTH_SHAREDKEY:
6774 param->value = IW_AUTH_ALG_SHARED_KEY;
6778 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6783 case IW_AUTH_WPA_ENABLED:
6794 /*------------------------------------------------------------------*/
6796 * Wireless Handler : set Tx-Power
6798 static int airo_set_txpow(struct net_device *dev,
6799 struct iw_request_info *info,
6800 struct iw_param *vwrq,
6803 struct airo_info *local = dev->ml_priv;
6804 CapabilityRid cap_rid; /* Card capability info */
6807 __le16 v = cpu_to_le16(vwrq->value);
6809 readCapabilityRid(local, &cap_rid, 1);
6811 if (vwrq->disabled) {
6812 set_bit (FLAG_RADIO_OFF, &local->flags);
6813 set_bit (FLAG_COMMIT, &local->flags);
6814 return -EINPROGRESS; /* Call commit handler */
6816 if (vwrq->flags != IW_TXPOW_MWATT) {
6819 clear_bit (FLAG_RADIO_OFF, &local->flags);
6820 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6821 if (v == cap_rid.txPowerLevels[i]) {
6822 readConfigRid(local, 1);
6823 local->config.txPower = v;
6824 set_bit (FLAG_COMMIT, &local->flags);
6825 rc = -EINPROGRESS; /* Call commit handler */
6831 /*------------------------------------------------------------------*/
6833 * Wireless Handler : get Tx-Power
6835 static int airo_get_txpow(struct net_device *dev,
6836 struct iw_request_info *info,
6837 struct iw_param *vwrq,
6840 struct airo_info *local = dev->ml_priv;
6842 readConfigRid(local, 1);
6843 vwrq->value = le16_to_cpu(local->config.txPower);
6844 vwrq->fixed = 1; /* No power control */
6845 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6846 vwrq->flags = IW_TXPOW_MWATT;
6851 /*------------------------------------------------------------------*/
6853 * Wireless Handler : set Retry limits
6855 static int airo_set_retry(struct net_device *dev,
6856 struct iw_request_info *info,
6857 struct iw_param *vwrq,
6860 struct airo_info *local = dev->ml_priv;
6863 if(vwrq->disabled) {
6866 readConfigRid(local, 1);
6867 if(vwrq->flags & IW_RETRY_LIMIT) {
6868 __le16 v = cpu_to_le16(vwrq->value);
6869 if(vwrq->flags & IW_RETRY_LONG)
6870 local->config.longRetryLimit = v;
6871 else if (vwrq->flags & IW_RETRY_SHORT)
6872 local->config.shortRetryLimit = v;
6874 /* No modifier : set both */
6875 local->config.longRetryLimit = v;
6876 local->config.shortRetryLimit = v;
6878 set_bit (FLAG_COMMIT, &local->flags);
6879 rc = -EINPROGRESS; /* Call commit handler */
6881 if(vwrq->flags & IW_RETRY_LIFETIME) {
6882 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6883 set_bit (FLAG_COMMIT, &local->flags);
6884 rc = -EINPROGRESS; /* Call commit handler */
6889 /*------------------------------------------------------------------*/
6891 * Wireless Handler : get Retry limits
6893 static int airo_get_retry(struct net_device *dev,
6894 struct iw_request_info *info,
6895 struct iw_param *vwrq,
6898 struct airo_info *local = dev->ml_priv;
6900 vwrq->disabled = 0; /* Can't be disabled */
6902 readConfigRid(local, 1);
6903 /* Note : by default, display the min retry number */
6904 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6905 vwrq->flags = IW_RETRY_LIFETIME;
6906 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6907 } else if((vwrq->flags & IW_RETRY_LONG)) {
6908 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6909 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6911 vwrq->flags = IW_RETRY_LIMIT;
6912 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6913 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6914 vwrq->flags |= IW_RETRY_SHORT;
6920 /*------------------------------------------------------------------*/
6922 * Wireless Handler : get range info
6924 static int airo_get_range(struct net_device *dev,
6925 struct iw_request_info *info,
6926 struct iw_point *dwrq,
6929 struct airo_info *local = dev->ml_priv;
6930 struct iw_range *range = (struct iw_range *) extra;
6931 CapabilityRid cap_rid; /* Card capability info */
6935 readCapabilityRid(local, &cap_rid, 1);
6937 dwrq->length = sizeof(struct iw_range);
6938 memset(range, 0, sizeof(*range));
6939 range->min_nwid = 0x0000;
6940 range->max_nwid = 0x0000;
6941 range->num_channels = 14;
6942 /* Should be based on cap_rid.country to give only
6943 * what the current card support */
6945 for(i = 0; i < 14; i++) {
6946 range->freq[k].i = i + 1; /* List index */
6947 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6948 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6950 range->num_frequency = k;
6952 range->sensitivity = 65535;
6954 /* Hum... Should put the right values there */
6956 range->max_qual.qual = 100; /* % */
6958 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6959 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6960 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6962 /* Experimental measurements - boundary 11/5.5 Mb/s */
6963 /* Note : with or without the (local->rssi), results
6964 * are somewhat different. - Jean II */
6966 range->avg_qual.qual = 50; /* % */
6967 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6969 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6970 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6972 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6974 for(i = 0 ; i < 8 ; i++) {
6975 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6976 if(range->bitrate[i] == 0)
6979 range->num_bitrates = i;
6981 /* Set an indication of the max TCP throughput
6982 * in bit/s that we can expect using this interface.
6983 * May be use for QoS stuff... Jean II */
6985 range->throughput = 5000 * 1000;
6987 range->throughput = 1500 * 1000;
6990 range->max_rts = AIRO_DEF_MTU;
6991 range->min_frag = 256;
6992 range->max_frag = AIRO_DEF_MTU;
6994 if(cap_rid.softCap & cpu_to_le16(2)) {
6996 range->encoding_size[0] = 5;
6998 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6999 range->encoding_size[1] = 13;
7000 range->num_encoding_sizes = 2;
7002 range->num_encoding_sizes = 1;
7003 range->max_encoding_tokens =
7004 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7006 range->num_encoding_sizes = 0;
7007 range->max_encoding_tokens = 0;
7010 range->max_pmp = 5000000; /* 5 secs */
7012 range->max_pmt = 65535 * 1024; /* ??? */
7013 range->pmp_flags = IW_POWER_PERIOD;
7014 range->pmt_flags = IW_POWER_TIMEOUT;
7015 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7017 /* Transmit Power - values are in mW */
7018 for(i = 0 ; i < 8 ; i++) {
7019 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7020 if(range->txpower[i] == 0)
7023 range->num_txpower = i;
7024 range->txpower_capa = IW_TXPOW_MWATT;
7025 range->we_version_source = 19;
7026 range->we_version_compiled = WIRELESS_EXT;
7027 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7028 range->retry_flags = IW_RETRY_LIMIT;
7029 range->r_time_flags = IW_RETRY_LIFETIME;
7030 range->min_retry = 1;
7031 range->max_retry = 65535;
7032 range->min_r_time = 1024;
7033 range->max_r_time = 65535 * 1024;
7035 /* Event capability (kernel + driver) */
7036 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7037 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7038 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7039 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7040 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7041 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7045 /*------------------------------------------------------------------*/
7047 * Wireless Handler : set Power Management
7049 static int airo_set_power(struct net_device *dev,
7050 struct iw_request_info *info,
7051 struct iw_param *vwrq,
7054 struct airo_info *local = dev->ml_priv;
7056 readConfigRid(local, 1);
7057 if (vwrq->disabled) {
7058 if (sniffing_mode(local))
7060 local->config.powerSaveMode = POWERSAVE_CAM;
7061 local->config.rmode &= ~RXMODE_MASK;
7062 local->config.rmode |= RXMODE_BC_MC_ADDR;
7063 set_bit (FLAG_COMMIT, &local->flags);
7064 return -EINPROGRESS; /* Call commit handler */
7066 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7067 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7068 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7069 set_bit (FLAG_COMMIT, &local->flags);
7070 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7071 local->config.fastListenInterval =
7072 local->config.listenInterval =
7073 cpu_to_le16((vwrq->value + 500) / 1024);
7074 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7075 set_bit (FLAG_COMMIT, &local->flags);
7077 switch (vwrq->flags & IW_POWER_MODE) {
7078 case IW_POWER_UNICAST_R:
7079 if (sniffing_mode(local))
7081 local->config.rmode &= ~RXMODE_MASK;
7082 local->config.rmode |= RXMODE_ADDR;
7083 set_bit (FLAG_COMMIT, &local->flags);
7085 case IW_POWER_ALL_R:
7086 if (sniffing_mode(local))
7088 local->config.rmode &= ~RXMODE_MASK;
7089 local->config.rmode |= RXMODE_BC_MC_ADDR;
7090 set_bit (FLAG_COMMIT, &local->flags);
7092 /* This is broken, fixme ;-) */
7097 // Note : we may want to factor local->need_commit here
7098 // Note2 : may also want to factor RXMODE_RFMON test
7099 return -EINPROGRESS; /* Call commit handler */
7102 /*------------------------------------------------------------------*/
7104 * Wireless Handler : get Power Management
7106 static int airo_get_power(struct net_device *dev,
7107 struct iw_request_info *info,
7108 struct iw_param *vwrq,
7111 struct airo_info *local = dev->ml_priv;
7114 readConfigRid(local, 1);
7115 mode = local->config.powerSaveMode;
7116 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7118 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7119 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7120 vwrq->flags = IW_POWER_TIMEOUT;
7122 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7123 vwrq->flags = IW_POWER_PERIOD;
7125 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7126 vwrq->flags |= IW_POWER_UNICAST_R;
7128 vwrq->flags |= IW_POWER_ALL_R;
7133 /*------------------------------------------------------------------*/
7135 * Wireless Handler : set Sensitivity
7137 static int airo_set_sens(struct net_device *dev,
7138 struct iw_request_info *info,
7139 struct iw_param *vwrq,
7142 struct airo_info *local = dev->ml_priv;
7144 readConfigRid(local, 1);
7145 local->config.rssiThreshold =
7146 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7147 set_bit (FLAG_COMMIT, &local->flags);
7149 return -EINPROGRESS; /* Call commit handler */
7152 /*------------------------------------------------------------------*/
7154 * Wireless Handler : get Sensitivity
7156 static int airo_get_sens(struct net_device *dev,
7157 struct iw_request_info *info,
7158 struct iw_param *vwrq,
7161 struct airo_info *local = dev->ml_priv;
7163 readConfigRid(local, 1);
7164 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7165 vwrq->disabled = (vwrq->value == 0);
7171 /*------------------------------------------------------------------*/
7173 * Wireless Handler : get AP List
7174 * Note : this is deprecated in favor of IWSCAN
7176 static int airo_get_aplist(struct net_device *dev,
7177 struct iw_request_info *info,
7178 struct iw_point *dwrq,
7181 struct airo_info *local = dev->ml_priv;
7182 struct sockaddr *address = (struct sockaddr *) extra;
7183 struct iw_quality *qual;
7186 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7188 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7192 for (i = 0; i < IW_MAX_AP; i++) {
7194 if (readBSSListRid(local, loseSync, &BSSList))
7197 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7198 address[i].sa_family = ARPHRD_ETHER;
7199 dBm = le16_to_cpu(BSSList.dBm);
7201 qual[i].level = 0x100 - dBm;
7202 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7203 qual[i].updated = IW_QUAL_QUAL_UPDATED
7204 | IW_QUAL_LEVEL_UPDATED
7207 qual[i].level = (dBm + 321) / 2;
7209 qual[i].updated = IW_QUAL_QUAL_INVALID
7210 | IW_QUAL_LEVEL_UPDATED
7213 qual[i].noise = local->wstats.qual.noise;
7214 if (BSSList.index == cpu_to_le16(0xffff))
7218 StatusRid status_rid; /* Card status info */
7219 readStatusRid(local, &status_rid, 1);
7221 i < min(IW_MAX_AP, 4) &&
7222 (status_rid.bssid[i][0]
7223 & status_rid.bssid[i][1]
7224 & status_rid.bssid[i][2]
7225 & status_rid.bssid[i][3]
7226 & status_rid.bssid[i][4]
7227 & status_rid.bssid[i][5])!=0xff &&
7228 (status_rid.bssid[i][0]
7229 | status_rid.bssid[i][1]
7230 | status_rid.bssid[i][2]
7231 | status_rid.bssid[i][3]
7232 | status_rid.bssid[i][4]
7233 | status_rid.bssid[i][5]);
7235 memcpy(address[i].sa_data,
7236 status_rid.bssid[i], ETH_ALEN);
7237 address[i].sa_family = ARPHRD_ETHER;
7240 dwrq->flags = 1; /* Should be define'd */
7241 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7242 sizeof(struct iw_quality) * i);
7250 /*------------------------------------------------------------------*/
7252 * Wireless Handler : Initiate Scan
7254 static int airo_set_scan(struct net_device *dev,
7255 struct iw_request_info *info,
7256 struct iw_point *dwrq,
7259 struct airo_info *ai = dev->ml_priv;
7264 /* Note : you may have realised that, as this is a SET operation,
7265 * this is privileged and therefore a normal user can't
7267 * This is not an error, while the device perform scanning,
7268 * traffic doesn't flow, so it's a perfect DoS...
7270 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7272 if (down_interruptible(&ai->sem))
7273 return -ERESTARTSYS;
7275 /* If there's already a scan in progress, don't
7276 * trigger another one. */
7277 if (ai->scan_timeout > 0)
7280 /* Initiate a scan command */
7281 ai->scan_timeout = RUN_AT(3*HZ);
7282 memset(&cmd, 0, sizeof(cmd));
7283 cmd.cmd=CMD_LISTBSS;
7284 issuecommand(ai, &cmd, &rsp);
7290 wake_up_interruptible(&ai->thr_wait);
7294 /*------------------------------------------------------------------*/
7296 * Translate scan data returned from the card to a card independent
7297 * format that the Wireless Tools will understand - Jean II
7299 static inline char *airo_translate_scan(struct net_device *dev,
7300 struct iw_request_info *info,
7305 struct airo_info *ai = dev->ml_priv;
7306 struct iw_event iwe; /* Temporary buffer */
7307 __le16 capabilities;
7308 char * current_val; /* For rates */
7313 /* First entry *MUST* be the AP MAC address */
7314 iwe.cmd = SIOCGIWAP;
7315 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7316 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7317 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7318 &iwe, IW_EV_ADDR_LEN);
7320 /* Other entries will be displayed in the order we give them */
7323 iwe.u.data.length = bss->ssidLen;
7324 if(iwe.u.data.length > 32)
7325 iwe.u.data.length = 32;
7326 iwe.cmd = SIOCGIWESSID;
7327 iwe.u.data.flags = 1;
7328 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7332 iwe.cmd = SIOCGIWMODE;
7333 capabilities = bss->cap;
7334 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7335 if(capabilities & CAP_ESS)
7336 iwe.u.mode = IW_MODE_MASTER;
7338 iwe.u.mode = IW_MODE_ADHOC;
7339 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7340 &iwe, IW_EV_UINT_LEN);
7344 iwe.cmd = SIOCGIWFREQ;
7345 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7346 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7348 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7349 &iwe, IW_EV_FREQ_LEN);
7351 dBm = le16_to_cpu(bss->dBm);
7353 /* Add quality statistics */
7356 iwe.u.qual.level = 0x100 - dBm;
7357 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7358 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7359 | IW_QUAL_LEVEL_UPDATED
7362 iwe.u.qual.level = (dBm + 321) / 2;
7363 iwe.u.qual.qual = 0;
7364 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7365 | IW_QUAL_LEVEL_UPDATED
7368 iwe.u.qual.noise = ai->wstats.qual.noise;
7369 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7370 &iwe, IW_EV_QUAL_LEN);
7372 /* Add encryption capability */
7373 iwe.cmd = SIOCGIWENCODE;
7374 if(capabilities & CAP_PRIVACY)
7375 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7377 iwe.u.data.flags = IW_ENCODE_DISABLED;
7378 iwe.u.data.length = 0;
7379 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7382 /* Rate : stuffing multiple values in a single event require a bit
7383 * more of magic - Jean II */
7384 current_val = current_ev + iwe_stream_lcp_len(info);
7386 iwe.cmd = SIOCGIWRATE;
7387 /* Those two flags are ignored... */
7388 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7390 for(i = 0 ; i < 8 ; i++) {
7391 /* NULL terminated */
7392 if(bss->rates[i] == 0)
7394 /* Bit rate given in 500 kb/s units (+ 0x80) */
7395 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7396 /* Add new value to event */
7397 current_val = iwe_stream_add_value(info, current_ev,
7398 current_val, end_buf,
7399 &iwe, IW_EV_PARAM_LEN);
7401 /* Check if we added any event */
7402 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7403 current_ev = current_val;
7405 /* Beacon interval */
7406 buf = kmalloc(30, GFP_KERNEL);
7408 iwe.cmd = IWEVCUSTOM;
7409 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7410 iwe.u.data.length = strlen(buf);
7411 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7416 /* Put WPA/RSN Information Elements into the event stream */
7417 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7418 unsigned int num_null_ies = 0;
7419 u16 length = sizeof (bss->extra.iep);
7420 u8 *ie = (void *)&bss->extra.iep;
7422 while ((length >= 2) && (num_null_ies < 2)) {
7423 if (2 + ie[1] > length) {
7424 /* Invalid element, don't continue parsing IE */
7430 /* Two zero-length SSID elements
7431 * mean we're done parsing elements */
7436 case WLAN_EID_VENDOR_SPECIFIC:
7442 iwe.cmd = IWEVGENIE;
7443 /* 64 is an arbitrary cut-off */
7444 iwe.u.data.length = min(ie[1] + 2,
7446 current_ev = iwe_stream_add_point(
7453 iwe.cmd = IWEVGENIE;
7454 /* 64 is an arbitrary cut-off */
7455 iwe.u.data.length = min(ie[1] + 2, 64);
7456 current_ev = iwe_stream_add_point(
7457 info, current_ev, end_buf,
7465 length -= 2 + ie[1];
7472 /*------------------------------------------------------------------*/
7474 * Wireless Handler : Read Scan Results
7476 static int airo_get_scan(struct net_device *dev,
7477 struct iw_request_info *info,
7478 struct iw_point *dwrq,
7481 struct airo_info *ai = dev->ml_priv;
7482 BSSListElement *net;
7484 char *current_ev = extra;
7486 /* If a scan is in-progress, return -EAGAIN */
7487 if (ai->scan_timeout > 0)
7490 if (down_interruptible(&ai->sem))
7493 list_for_each_entry (net, &ai->network_list, list) {
7494 /* Translate to WE format this entry */
7495 current_ev = airo_translate_scan(dev, info, current_ev,
7496 extra + dwrq->length,
7499 /* Check if there is space for one more entry */
7500 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7501 /* Ask user space to try again with a bigger buffer */
7507 /* Length of data */
7508 dwrq->length = (current_ev - extra);
7509 dwrq->flags = 0; /* todo */
7516 /*------------------------------------------------------------------*/
7518 * Commit handler : called after a bunch of SET operations
7520 static int airo_config_commit(struct net_device *dev,
7521 struct iw_request_info *info, /* NULL */
7522 void *zwrq, /* NULL */
7523 char *extra) /* NULL */
7525 struct airo_info *local = dev->ml_priv;
7527 if (!test_bit (FLAG_COMMIT, &local->flags))
7530 /* Some of the "SET" function may have modified some of the
7531 * parameters. It's now time to commit them in the card */
7532 disable_MAC(local, 1);
7533 if (test_bit (FLAG_RESET, &local->flags)) {
7534 APListRid APList_rid;
7537 readAPListRid(local, &APList_rid);
7538 readSsidRid(local, &SSID_rid);
7539 if (test_bit(FLAG_MPI,&local->flags))
7540 setup_card(local, dev->dev_addr, 1 );
7542 reset_airo_card(dev);
7543 disable_MAC(local, 1);
7544 writeSsidRid(local, &SSID_rid, 1);
7545 writeAPListRid(local, &APList_rid, 1);
7547 if (down_interruptible(&local->sem))
7548 return -ERESTARTSYS;
7549 writeConfigRid(local, 0);
7550 enable_MAC(local, 0);
7551 if (test_bit (FLAG_RESET, &local->flags))
7552 airo_set_promisc(local);
7559 /*------------------------------------------------------------------*/
7561 * Structures to export the Wireless Handlers
7564 static const struct iw_priv_args airo_private_args[] = {
7565 /*{ cmd, set_args, get_args, name } */
7566 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7567 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7568 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7569 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7572 static const iw_handler airo_handler[] =
7574 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7575 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7576 (iw_handler) NULL, /* SIOCSIWNWID */
7577 (iw_handler) NULL, /* SIOCGIWNWID */
7578 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7579 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7580 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7581 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7582 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7583 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7584 (iw_handler) NULL, /* SIOCSIWRANGE */
7585 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7586 (iw_handler) NULL, /* SIOCSIWPRIV */
7587 (iw_handler) NULL, /* SIOCGIWPRIV */
7588 (iw_handler) NULL, /* SIOCSIWSTATS */
7589 (iw_handler) NULL, /* SIOCGIWSTATS */
7590 iw_handler_set_spy, /* SIOCSIWSPY */
7591 iw_handler_get_spy, /* SIOCGIWSPY */
7592 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7593 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7594 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7595 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7596 (iw_handler) NULL, /* -- hole -- */
7597 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7598 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7599 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7600 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7601 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7602 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7603 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7604 (iw_handler) NULL, /* -- hole -- */
7605 (iw_handler) NULL, /* -- hole -- */
7606 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7607 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7608 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7609 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7610 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7611 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7612 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7613 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7614 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7615 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7616 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7617 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7618 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7619 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7620 (iw_handler) NULL, /* -- hole -- */
7621 (iw_handler) NULL, /* -- hole -- */
7622 (iw_handler) NULL, /* SIOCSIWGENIE */
7623 (iw_handler) NULL, /* SIOCGIWGENIE */
7624 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7625 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7626 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7627 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7628 (iw_handler) NULL, /* SIOCSIWPMKSA */
7631 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7632 * We want to force the use of the ioctl code, because those can't be
7633 * won't work the iw_handler code (because they simultaneously read
7634 * and write data and iw_handler can't do that).
7635 * Note that it's perfectly legal to read/write on a single ioctl command,
7636 * you just can't use iwpriv and need to force it via the ioctl handler.
7638 static const iw_handler airo_private_handler[] =
7640 NULL, /* SIOCIWFIRSTPRIV */
7643 static const struct iw_handler_def airo_handler_def =
7645 .num_standard = ARRAY_SIZE(airo_handler),
7646 .num_private = ARRAY_SIZE(airo_private_handler),
7647 .num_private_args = ARRAY_SIZE(airo_private_args),
7648 .standard = airo_handler,
7649 .private = airo_private_handler,
7650 .private_args = airo_private_args,
7651 .get_wireless_stats = airo_get_wireless_stats,
7655 * This defines the configuration part of the Wireless Extensions
7656 * Note : irq and spinlock protection will occur in the subroutines
7659 * o Check input value more carefully and fill correct values in range
7660 * o Test and shakeout the bugs (if any)
7664 * Javier Achirica did a great job of merging code from the unnamed CISCO
7665 * developer that added support for flashing the card.
7667 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7670 struct airo_info *ai = dev->ml_priv;
7672 if (ai->power.event)
7682 int val = AIROMAGIC;
7684 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7686 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7695 /* Get the command struct and hand it off for evaluation by
7696 * the proper subfunction
7700 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7705 /* Separate R/W functions bracket legality here
7707 if ( com.command == AIRORSWVERSION ) {
7708 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7713 else if ( com.command <= AIRORRID)
7714 rc = readrids(dev,&com);
7715 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7716 rc = writerids(dev,&com);
7717 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7718 rc = flashcard(dev,&com);
7720 rc = -EINVAL; /* Bad command in ioctl */
7723 #endif /* CISCO_EXT */
7725 // All other calls are currently unsupported
7733 * Get the Wireless stats out of the driver
7734 * Note : irq and spinlock protection will occur in the subroutines
7737 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7741 static void airo_read_wireless_stats(struct airo_info *local)
7743 StatusRid status_rid;
7745 CapabilityRid cap_rid;
7746 __le32 *vals = stats_rid.vals;
7748 /* Get stats out of the card */
7749 clear_bit(JOB_WSTATS, &local->jobs);
7750 if (local->power.event) {
7754 readCapabilityRid(local, &cap_rid, 0);
7755 readStatusRid(local, &status_rid, 0);
7756 readStatsRid(local, &stats_rid, RID_STATS, 0);
7760 local->wstats.status = le16_to_cpu(status_rid.mode);
7762 /* Signal quality and co */
7764 local->wstats.qual.level =
7765 airo_rssi_to_dbm(local->rssi,
7766 le16_to_cpu(status_rid.sigQuality));
7767 /* normalizedSignalStrength appears to be a percentage */
7768 local->wstats.qual.qual =
7769 le16_to_cpu(status_rid.normalizedSignalStrength);
7771 local->wstats.qual.level =
7772 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7773 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7775 if (le16_to_cpu(status_rid.len) >= 124) {
7776 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7777 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7779 local->wstats.qual.noise = 0;
7780 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7783 /* Packets discarded in the wireless adapter due to wireless
7784 * specific problems */
7785 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7786 le32_to_cpu(vals[57]) +
7787 le32_to_cpu(vals[58]); /* SSID Mismatch */
7788 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7789 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7790 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7791 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7792 le32_to_cpu(vals[32]);
7793 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7796 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7798 struct airo_info *local = dev->ml_priv;
7800 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7801 /* Get stats out of the card if available */
7802 if (down_trylock(&local->sem) != 0) {
7803 set_bit(JOB_WSTATS, &local->jobs);
7804 wake_up_interruptible(&local->thr_wait);
7806 airo_read_wireless_stats(local);
7809 return &local->wstats;
7814 * This just translates from driver IOCTL codes to the command codes to
7815 * feed to the radio's host interface. Things can be added/deleted
7816 * as needed. This represents the READ side of control I/O to
7819 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7820 unsigned short ridcode;
7821 unsigned char *iobuf;
7823 struct airo_info *ai = dev->ml_priv;
7825 if (test_bit(FLAG_FLASHING, &ai->flags))
7828 switch(comp->command)
7830 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7831 case AIROGCFG: ridcode = RID_CONFIG;
7832 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7833 disable_MAC (ai, 1);
7834 writeConfigRid (ai, 1);
7838 case AIROGSLIST: ridcode = RID_SSID; break;
7839 case AIROGVLIST: ridcode = RID_APLIST; break;
7840 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7841 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7842 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7843 /* Only super-user can read WEP keys */
7844 if (!capable(CAP_NET_ADMIN))
7847 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7848 /* Only super-user can read WEP keys */
7849 if (!capable(CAP_NET_ADMIN))
7852 case AIROGSTAT: ridcode = RID_STATUS; break;
7853 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7854 case AIROGSTATSC32: ridcode = RID_STATS; break;
7856 if (copy_to_user(comp->data, &ai->micstats,
7857 min((int)comp->len,(int)sizeof(ai->micstats))))
7860 case AIRORRID: ridcode = comp->ridnum; break;
7866 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7869 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7870 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7871 * then return it to the user
7872 * 9/22/2000 Honor user given length
7876 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7885 * Danger Will Robinson write the rids here
7888 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7889 struct airo_info *ai = dev->ml_priv;
7892 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7893 unsigned char *iobuf;
7895 /* Only super-user can write RIDs */
7896 if (!capable(CAP_NET_ADMIN))
7899 if (test_bit(FLAG_FLASHING, &ai->flags))
7903 writer = do_writerid;
7905 switch(comp->command)
7907 case AIROPSIDS: ridcode = RID_SSID; break;
7908 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7909 case AIROPAPLIST: ridcode = RID_APLIST; break;
7910 case AIROPCFG: ai->config.len = 0;
7911 clear_bit(FLAG_COMMIT, &ai->flags);
7912 ridcode = RID_CONFIG; break;
7913 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7914 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7915 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7916 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7918 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7919 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7921 /* this is not really a rid but a command given to the card
7925 if (enable_MAC(ai, 1) != 0)
7930 * Evidently this code in the airo driver does not get a symbol
7931 * as disable_MAC. it's probably so short the compiler does not gen one.
7937 /* This command merely clears the counts does not actually store any data
7938 * only reads rid. But as it changes the cards state, I put it in the
7939 * writerid routines.
7942 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7945 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7947 enabled = ai->micstats.enabled;
7948 memset(&ai->micstats,0,sizeof(ai->micstats));
7949 ai->micstats.enabled = enabled;
7951 if (copy_to_user(comp->data, iobuf,
7952 min((int)comp->len, (int)RIDSIZE))) {
7960 return -EOPNOTSUPP; /* Blarg! */
7962 if(comp->len > RIDSIZE)
7965 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7968 if (copy_from_user(iobuf,comp->data,comp->len)) {
7973 if (comp->command == AIROPCFG) {
7974 ConfigRid *cfg = (ConfigRid *)iobuf;
7976 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7977 cfg->opmode |= MODE_MIC;
7979 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7980 set_bit (FLAG_ADHOC, &ai->flags);
7982 clear_bit (FLAG_ADHOC, &ai->flags);
7985 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7993 /*****************************************************************************
7994 * Ancillary flash / mod functions much black magic lurkes here *
7995 *****************************************************************************
7999 * Flash command switch table
8002 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8005 /* Only super-user can modify flash */
8006 if (!capable(CAP_NET_ADMIN))
8009 switch(comp->command)
8012 return cmdreset((struct airo_info *)dev->ml_priv);
8015 if (!AIRO_FLASH(dev) &&
8016 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8018 return setflashmode((struct airo_info *)dev->ml_priv);
8020 case AIROFLSHGCHR: /* Get char from aux */
8021 if(comp->len != sizeof(int))
8023 if (copy_from_user(&z,comp->data,comp->len))
8025 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8027 case AIROFLSHPCHR: /* Send char to card. */
8028 if(comp->len != sizeof(int))
8030 if (copy_from_user(&z,comp->data,comp->len))
8032 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8034 case AIROFLPUTBUF: /* Send 32k to card */
8035 if (!AIRO_FLASH(dev))
8037 if(comp->len > FLASHSIZE)
8039 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8042 flashputbuf((struct airo_info *)dev->ml_priv);
8046 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8053 #define FLASH_COMMAND 0x7e7e
8057 * Disable MAC and do soft reset on
8061 static int cmdreset(struct airo_info *ai) {
8065 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8069 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8071 ssleep(1); /* WAS 600 12/7/00 */
8074 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8081 * Put the card in legendary flash
8085 static int setflashmode (struct airo_info *ai) {
8086 set_bit (FLAG_FLASHING, &ai->flags);
8088 OUT4500(ai, SWS0, FLASH_COMMAND);
8089 OUT4500(ai, SWS1, FLASH_COMMAND);
8091 OUT4500(ai, SWS0, FLASH_COMMAND);
8092 OUT4500(ai, COMMAND,0x10);
8094 OUT4500(ai, SWS2, FLASH_COMMAND);
8095 OUT4500(ai, SWS3, FLASH_COMMAND);
8096 OUT4500(ai, COMMAND,0);
8098 msleep(500); /* 500ms delay */
8101 clear_bit (FLAG_FLASHING, &ai->flags);
8102 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8108 /* Put character to SWS0 wait for dwelltime
8112 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8123 /* Wait for busy bit d15 to go false indicating buffer empty */
8124 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8129 /* timeout for busy clear wait */
8131 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8135 /* Port is clear now write byte and wait for it to echo back */
8137 OUT4500(ai,SWS0,byte);
8140 echo = IN4500(ai,SWS1);
8141 } while (dwelltime >= 0 && echo != byte);
8145 return (echo == byte) ? 0 : -EIO;
8149 * Get a character from the card matching matchbyte
8152 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8154 unsigned char rbyte=0;
8157 rchar = IN4500(ai,SWS1);
8159 if(dwelltime && !(0x8000 & rchar)){
8164 rbyte = 0xff & rchar;
8166 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8170 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8174 }while(dwelltime > 0);
8179 * Transfer 32k of firmware data from user buffer to our buffer and
8183 static int flashputbuf(struct airo_info *ai){
8187 if (test_bit(FLAG_MPI,&ai->flags))
8188 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8190 OUT4500(ai,AUXPAGE,0x100);
8191 OUT4500(ai,AUXOFF,0);
8193 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8194 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8197 OUT4500(ai,SWS0,0x8000);
8205 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8208 ssleep(1); /* Added 12/7/00 */
8209 clear_bit (FLAG_FLASHING, &ai->flags);
8210 if (test_bit(FLAG_MPI, &ai->flags)) {
8211 status = mpi_init_descriptors(ai);
8212 if (status != SUCCESS)
8215 status = setup_card(ai, dev->dev_addr, 1);
8217 if (!test_bit(FLAG_MPI,&ai->flags))
8218 for( i = 0; i < MAX_FIDS; i++ ) {
8219 ai->fids[i] = transmit_allocate
8220 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8223 ssleep(1); /* Added 12/7/00 */
8226 #endif /* CISCO_EXT */
8229 This program is free software; you can redistribute it and/or
8230 modify it under the terms of the GNU General Public License
8231 as published by the Free Software Foundation; either version 2
8232 of the License, or (at your option) any later version.
8234 This program is distributed in the hope that it will be useful,
8235 but WITHOUT ANY WARRANTY; without even the implied warranty of
8236 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8237 GNU General Public License for more details.
8241 Redistribution and use in source and binary forms, with or without
8242 modification, are permitted provided that the following conditions
8245 1. Redistributions of source code must retain the above copyright
8246 notice, this list of conditions and the following disclaimer.
8247 2. Redistributions in binary form must reproduce the above copyright
8248 notice, this list of conditions and the following disclaimer in the
8249 documentation and/or other materials provided with the distribution.
8250 3. The name of the author may not be used to endorse or promote
8251 products derived from this software without specific prior written
8254 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8255 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8256 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8257 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8258 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8259 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8260 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8261 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8262 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8263 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8264 POSSIBILITY OF SUCH DAMAGE.
8267 module_init(airo_init_module);
8268 module_exit(airo_cleanup_module);