1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/unaligned.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
52 #include <net/cfg80211.h>
53 #include <net/iw_handler.h>
57 #define DRV_NAME "airo"
60 static const struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
70 MODULE_DEVICE_TABLE(pci, card_ids);
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
77 static struct pci_driver airo_driver = {
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
85 #endif /* CONFIG_PCI */
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
91 #define CISCO_EXT /* enable Cisco extensions */
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
240 static int airo_perm = 0555;
242 static int proc_perm = 0644;
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_hw_array(io, int, ioport, NULL, 0);
250 module_param_hw_array(irq, int, irq, 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 reg, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 reg );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155 static void airo_networks_free(struct airo_info *ai);
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1163 #define MPI_MAX_FIDS 1
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1191 #define JOB_XMIT11 2
1193 #define JOB_PROMISC 4
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 unsigned short *flash;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1210 struct sk_buff *skb;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1219 struct crypto_cipher *tfm;
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1286 /***********************************************************************
1288 ***********************************************************************
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1323 /* micinit - Initialize mic seed */
1325 static void micinit(struct airo_info *ai)
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1356 /* micsetup - Get ready for business */
1358 static int micsetup(struct airo_info *ai) {
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1377 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1379 /*===========================================================================
1380 * Description: Mic a packet
1382 * Inputs: etherHead * pointer to an 802.3 frame
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1405 context = &ai->mod[0].uCtx;
1407 if (!context->valid)
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1415 mic->seq = htonl(context->tx);
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1442 * Inputs: etherHead pointer to the 802.3 packet
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1457 mic_error micError = NONE;
1459 // Check if the packet is a Mic'd packet
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1470 if (ntohs(mic->typelen) == 0x888E)
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1495 //Make sure context is valid
1496 if (!context->valid) {
1498 micError = NOMICPLUMMED;
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1512 emmh32_final(&context->seed, digest);
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1517 micError = INCORRECTMIC;
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1527 micError = SEQUENCE;
1530 // Update statistics
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1548 * Returns: TRUE if valid otherwise FALSE.
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1577 //Too old of a SEQ number to check.
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1596 MoveWindow(context,micSeq);
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1613 context->rx >>= shift;
1617 context->window = micSeq; //Move window
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1629 static unsigned char aes_counter[16];
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1640 u8 *cipher, plain[16];
1642 crypto_cipher_setkey(tfm, pkey, 16);
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1663 /* prepare for new mic calculation */
1665 context->position = 0;
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1671 int coeff_position, byte_position;
1673 if (len == 0) return;
1675 coeff_position = context->position >> 2;
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1690 /* deal with full 32-bit words */
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1698 /* deal with partial 32-bit word that will be left over from this update */
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1713 int coeff_position, byte_position;
1719 coeff_position = context->position >> 2;
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1744 static int readBSSListRid(struct airo_info *ai, int first,
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1797 static int readConfigRid(struct airo_info *ai, int lock)
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1813 static inline void checkThrottle(struct airo_info *ai)
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1851 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1853 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1856 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1858 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1861 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1863 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1866 static void try_auto_wep(struct airo_info *ai)
1868 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1869 ai->expires = RUN_AT(3*HZ);
1870 wake_up_interruptible(&ai->thr_wait);
1874 static int airo_open(struct net_device *dev) {
1875 struct airo_info *ai = dev->ml_priv;
1878 if (test_bit(FLAG_FLASHING, &ai->flags))
1881 /* Make sure the card is configured.
1882 * Wireless Extensions may postpone config changes until the card
1883 * is open (to pipeline changes and speed-up card setup). If
1884 * those changes are not yet committed, do it now - Jean II */
1885 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1887 writeConfigRid(ai, 1);
1890 if (ai->wifidev != dev) {
1891 clear_bit(JOB_DIE, &ai->jobs);
1892 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1894 if (IS_ERR(ai->airo_thread_task))
1895 return (int)PTR_ERR(ai->airo_thread_task);
1897 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1900 airo_print_err(dev->name,
1901 "register interrupt %d failed, rc %d",
1903 set_bit(JOB_DIE, &ai->jobs);
1904 kthread_stop(ai->airo_thread_task);
1908 /* Power on the MAC controller (which may have been disabled) */
1909 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1910 enable_interrupts(ai);
1916 netif_start_queue(dev);
1920 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1921 struct net_device *dev)
1923 int npacks, pending;
1924 unsigned long flags;
1925 struct airo_info *ai = dev->ml_priv;
1928 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1929 return NETDEV_TX_OK;
1931 if (skb_padto(skb, ETH_ZLEN)) {
1932 dev->stats.tx_dropped++;
1933 return NETDEV_TX_OK;
1935 npacks = skb_queue_len (&ai->txq);
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1957 return NETDEV_TX_OK;
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1967 static int mpi_send_packet (struct net_device *dev)
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1973 struct airo_info *ai = dev->ml_priv;
1976 /* get a packet to send */
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediately after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2002 memcpy(ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2011 * Firmware automatically puts 802 header on so
2012 * we don't need to account for it in the length
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2033 netif_trans_update(dev);
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2042 OUT4500(ai, EVACK, 8);
2044 dev_kfree_skb_any(skb);
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2057 bap_read(ai, &status, 2, BAP0);
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2099 static void airo_end_xmit(struct net_device *dev) {
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2113 if ( status == SUCCESS ) {
2114 netif_trans_update(dev);
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2137 if (skb_padto(skb, ETH_ZLEN)) {
2138 dev->stats.tx_dropped++;
2139 return NETDEV_TX_OK;
2142 /* Find a vacant FID */
2143 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2144 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2146 if ( j >= MAX_FIDS / 2 ) {
2147 netif_stop_queue(dev);
2149 if (i == MAX_FIDS / 2) {
2150 dev->stats.tx_fifo_errors++;
2151 return NETDEV_TX_BUSY;
2154 /* check min length*/
2155 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2156 /* Mark fid as used & save length for later */
2157 fids[i] |= (len << 16);
2158 priv->xmit.skb = skb;
2160 if (down_trylock(&priv->sem) != 0) {
2161 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2162 netif_stop_queue(dev);
2163 set_bit(JOB_XMIT, &priv->jobs);
2164 wake_up_interruptible(&priv->thr_wait);
2167 return NETDEV_TX_OK;
2170 static void airo_end_xmit11(struct net_device *dev) {
2173 struct airo_info *priv = dev->ml_priv;
2174 struct sk_buff *skb = priv->xmit11.skb;
2175 int fid = priv->xmit11.fid;
2176 u32 *fids = priv->fids;
2178 clear_bit(JOB_XMIT11, &priv->jobs);
2179 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2180 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2184 if ( status == SUCCESS ) {
2185 netif_trans_update(dev);
2186 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2188 priv->fids[fid] &= 0xffff;
2189 dev->stats.tx_window_errors++;
2192 netif_wake_queue(dev);
2196 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2197 struct net_device *dev)
2201 struct airo_info *priv = dev->ml_priv;
2202 u32 *fids = priv->fids;
2204 if (test_bit(FLAG_MPI, &priv->flags)) {
2205 /* Not implemented yet for MPI350 */
2206 netif_stop_queue(dev);
2207 dev_kfree_skb_any(skb);
2208 return NETDEV_TX_OK;
2211 if ( skb == NULL ) {
2212 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2213 return NETDEV_TX_OK;
2215 if (skb_padto(skb, ETH_ZLEN)) {
2216 dev->stats.tx_dropped++;
2217 return NETDEV_TX_OK;
2220 /* Find a vacant FID */
2221 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2222 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2224 if ( j >= MAX_FIDS ) {
2225 netif_stop_queue(dev);
2227 if (i == MAX_FIDS) {
2228 dev->stats.tx_fifo_errors++;
2229 return NETDEV_TX_BUSY;
2232 /* check min length*/
2233 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2234 /* Mark fid as used & save length for later */
2235 fids[i] |= (len << 16);
2236 priv->xmit11.skb = skb;
2237 priv->xmit11.fid = i;
2238 if (down_trylock(&priv->sem) != 0) {
2239 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2240 netif_stop_queue(dev);
2241 set_bit(JOB_XMIT11, &priv->jobs);
2242 wake_up_interruptible(&priv->thr_wait);
2244 airo_end_xmit11(dev);
2245 return NETDEV_TX_OK;
2248 static void airo_read_stats(struct net_device *dev)
2250 struct airo_info *ai = dev->ml_priv;
2252 __le32 *vals = stats_rid.vals;
2254 clear_bit(JOB_STATS, &ai->jobs);
2255 if (ai->power.event) {
2259 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2262 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2263 le32_to_cpu(vals[45]);
2264 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2265 le32_to_cpu(vals[41]);
2266 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2267 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2268 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2269 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2270 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2271 dev->stats.tx_fifo_errors;
2272 dev->stats.multicast = le32_to_cpu(vals[43]);
2273 dev->stats.collisions = le32_to_cpu(vals[89]);
2275 /* detailed rx_errors: */
2276 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2277 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2278 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2279 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2282 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2284 struct airo_info *local = dev->ml_priv;
2286 if (!test_bit(JOB_STATS, &local->jobs)) {
2287 /* Get stats out of the card if available */
2288 if (down_trylock(&local->sem) != 0) {
2289 set_bit(JOB_STATS, &local->jobs);
2290 wake_up_interruptible(&local->thr_wait);
2292 airo_read_stats(dev);
2298 static void airo_set_promisc(struct airo_info *ai) {
2302 memset(&cmd, 0, sizeof(cmd));
2303 cmd.cmd=CMD_SETMODE;
2304 clear_bit(JOB_PROMISC, &ai->jobs);
2305 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2306 issuecommand(ai, &cmd, &rsp);
2310 static void airo_set_multicast_list(struct net_device *dev) {
2311 struct airo_info *ai = dev->ml_priv;
2313 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2314 change_bit(FLAG_PROMISC, &ai->flags);
2315 if (down_trylock(&ai->sem) != 0) {
2316 set_bit(JOB_PROMISC, &ai->jobs);
2317 wake_up_interruptible(&ai->thr_wait);
2319 airo_set_promisc(ai);
2322 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2323 /* Turn on multicast. (Should be already setup...) */
2327 static int airo_set_mac_address(struct net_device *dev, void *p)
2329 struct airo_info *ai = dev->ml_priv;
2330 struct sockaddr *addr = p;
2332 readConfigRid(ai, 1);
2333 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2334 set_bit (FLAG_COMMIT, &ai->flags);
2336 writeConfigRid (ai, 1);
2338 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2340 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2344 static LIST_HEAD(airo_devices);
2346 static void add_airo_dev(struct airo_info *ai)
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2351 list_add_tail(&ai->dev_list, &airo_devices);
2354 static void del_airo_dev(struct airo_info *ai)
2357 list_del(&ai->dev_list);
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2363 netif_stop_queue(dev);
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2375 disable_interrupts( ai );
2377 free_irq(dev->irq, dev);
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2385 void stop_airo_card( struct net_device *dev, int freeres )
2387 struct airo_info *ai = dev->ml_priv;
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 * Clean out tx queue
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2411 airo_networks_free (ai);
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,
2665 static void wifi_setup(struct net_device *dev)
2667 dev->netdev_ops = &airo11_netdev_ops;
2668 dev->header_ops = &airo_header_ops;
2669 dev->wireless_handlers = &airo_handler_def;
2671 dev->type = ARPHRD_IEEE80211;
2672 dev->hard_header_len = ETH_HLEN;
2673 dev->mtu = AIRO_DEF_MTU;
2675 dev->max_mtu = MIC_MSGLEN_MAX;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2679 eth_broadcast_addr(dev->broadcast);
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2692 dev->ml_priv = ethdev->ml_priv;
2693 dev->irq = ethdev->irq;
2694 dev->base_addr = ethdev->base_addr;
2695 dev->wireless_data = ethdev->wireless_data;
2696 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2697 eth_hw_addr_inherit(dev, ethdev);
2698 err = register_netdev(dev);
2706 static int reset_card( struct net_device *dev , int lock) {
2707 struct airo_info *ai = dev->ml_priv;
2709 if (lock && down_interruptible(&ai->sem))
2712 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2721 #define AIRO_MAX_NETWORK_COUNT 64
2722 static int airo_networks_allocate(struct airo_info *ai)
2727 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2737 static void airo_networks_free(struct airo_info *ai)
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2743 static void airo_networks_initialize(struct airo_info *ai)
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2754 static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_rx_mode = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_validate_addr = eth_validate_addr,
2765 static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_rx_mode = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
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), "", NET_NAME_UNKNOWN, 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);
2809 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2811 if (airo_networks_allocate (ai))
2813 airo_networks_initialize (ai);
2815 skb_queue_head_init (&ai->txq);
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2826 dev->base_addr = port;
2827 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2828 dev->max_mtu = MIC_MSGLEN_MAX;
2830 SET_NETDEV_DEV(dev, dmdev);
2832 reset_card (dev, 1);
2836 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2838 airo_print_err(dev->name, "Couldn't request region");
2843 if (test_bit(FLAG_MPI,&ai->flags)) {
2844 if (mpi_map_card(ai, pci)) {
2845 airo_print_err("", "Could not map memory");
2851 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2852 airo_print_err(dev->name, "MAC could not be enabled" );
2856 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2857 ai->bap_read = fast_bap_read;
2858 set_bit(FLAG_FLASHING, &ai->flags);
2861 strcpy(dev->name, "eth%d");
2862 rc = register_netdev(dev);
2864 airo_print_err(dev->name, "Couldn't register_netdev");
2867 ai->wifidev = init_wifidev(ai, dev);
2871 rc = readCapabilityRid(ai, &cap_rid, 1);
2872 if (rc != SUCCESS) {
2876 /* WEP capability discovery */
2877 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2878 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2880 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2881 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2882 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2883 le16_to_cpu(cap_rid.softSubVer));
2885 /* Test for WPA support */
2886 /* Only firmware versions 5.30.17 or better can do WPA */
2887 if (le16_to_cpu(cap_rid.softVer) > 0x530
2888 || (le16_to_cpu(cap_rid.softVer) == 0x530
2889 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2890 airo_print_info(ai->dev->name, "WPA supported.");
2892 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2893 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2894 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2895 ai->bssListRidLen = sizeof(BSSListRid);
2897 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2898 "versions older than 5.30.17.");
2900 ai->bssListFirst = RID_BSSLISTFIRST;
2901 ai->bssListNext = RID_BSSLISTNEXT;
2902 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2905 set_bit(FLAG_REGISTERED,&ai->flags);
2906 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2908 /* Allocate the transmit buffers */
2909 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2910 for( i = 0; i < MAX_FIDS; i++ )
2911 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2913 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2919 unregister_netdev(ai->wifidev);
2920 free_netdev(ai->wifidev);
2922 unregister_netdev(dev);
2924 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2925 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2926 iounmap(ai->pciaux);
2927 iounmap(ai->pcimem);
2928 mpi_unmap_card(ai->pci);
2932 release_region( dev->base_addr, 64 );
2934 airo_networks_free(ai);
2941 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2942 struct device *dmdev)
2944 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2947 EXPORT_SYMBOL(init_airo_card);
2949 static int waitbusy (struct airo_info *ai) {
2951 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2953 if ((++delay % 20) == 0)
2954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2956 return delay < 10000;
2959 int reset_airo_card( struct net_device *dev )
2962 struct airo_info *ai = dev->ml_priv;
2964 if (reset_card (dev, 1))
2967 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2968 airo_print_err(dev->name, "MAC could not be enabled");
2971 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2972 /* Allocate the transmit buffers if needed */
2973 if (!test_bit(FLAG_MPI,&ai->flags))
2974 for( i = 0; i < MAX_FIDS; i++ )
2975 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2977 enable_interrupts( ai );
2978 netif_wake_queue(dev);
2982 EXPORT_SYMBOL(reset_airo_card);
2984 static void airo_send_event(struct net_device *dev) {
2985 struct airo_info *ai = dev->ml_priv;
2986 union iwreq_data wrqu;
2987 StatusRid status_rid;
2989 clear_bit(JOB_EVENT, &ai->jobs);
2990 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2992 wrqu.data.length = 0;
2993 wrqu.data.flags = 0;
2994 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2995 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2997 /* Send event to user space */
2998 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3001 static void airo_process_scan_results (struct airo_info *ai) {
3002 union iwreq_data wrqu;
3005 BSSListElement * loop_net;
3006 BSSListElement * tmp_net;
3008 /* Blow away current list of scan results */
3009 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3010 list_move_tail (&loop_net->list, &ai->network_free_list);
3011 /* Don't blow away ->list, just BSS data */
3012 memset (loop_net, 0, sizeof (loop_net->bss));
3015 /* Try to read the first entry of the scan result */
3016 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3017 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3018 /* No scan results */
3022 /* Read and parse all entries */
3024 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3025 /* Grab a network off the free list */
3026 if (!list_empty(&ai->network_free_list)) {
3027 tmp_net = list_entry(ai->network_free_list.next,
3028 BSSListElement, list);
3029 list_del(ai->network_free_list.next);
3032 if (tmp_net != NULL) {
3033 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3034 list_add_tail(&tmp_net->list, &ai->network_list);
3038 /* Read next entry */
3039 rc = PC4500_readrid(ai, ai->bssListNext,
3040 &bss, ai->bssListRidLen, 0);
3044 /* write APList back (we cleared it in airo_set_scan) */
3046 writeAPListRid(ai, &ai->APList, 0);
3049 ai->scan_timeout = 0;
3050 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3053 /* Send an empty event to user space.
3054 * We don't send the received data on
3055 * the event because it would require
3056 * us to do complex transcoding, and
3057 * we want to minimise the work done in
3058 * the irq handler. Use a request to
3059 * extract the data - Jean II */
3060 wrqu.data.length = 0;
3061 wrqu.data.flags = 0;
3062 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3065 static int airo_thread(void *data) {
3066 struct net_device *dev = data;
3067 struct airo_info *ai = dev->ml_priv;
3072 /* make swsusp happy with our thread */
3075 if (test_bit(JOB_DIE, &ai->jobs))
3079 locked = down_interruptible(&ai->sem);
3081 wait_queue_entry_t wait;
3083 init_waitqueue_entry(&wait, current);
3084 add_wait_queue(&ai->thr_wait, &wait);
3086 set_current_state(TASK_INTERRUPTIBLE);
3089 if (ai->expires || ai->scan_timeout) {
3090 if (ai->scan_timeout &&
3091 time_after_eq(jiffies,ai->scan_timeout)){
3092 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3094 } else if (ai->expires &&
3095 time_after_eq(jiffies,ai->expires)){
3096 set_bit(JOB_AUTOWEP, &ai->jobs);
3099 if (!kthread_should_stop() &&
3100 !freezing(current)) {
3101 unsigned long wake_at;
3102 if (!ai->expires || !ai->scan_timeout) {
3103 wake_at = max(ai->expires,
3106 wake_at = min(ai->expires,
3109 schedule_timeout(wake_at - jiffies);
3112 } else if (!kthread_should_stop() &&
3113 !freezing(current)) {
3119 current->state = TASK_RUNNING;
3120 remove_wait_queue(&ai->thr_wait, &wait);
3127 if (test_bit(JOB_DIE, &ai->jobs)) {
3132 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3137 if (test_bit(JOB_XMIT, &ai->jobs))
3139 else if (test_bit(JOB_XMIT11, &ai->jobs))
3140 airo_end_xmit11(dev);
3141 else if (test_bit(JOB_STATS, &ai->jobs))
3142 airo_read_stats(dev);
3143 else if (test_bit(JOB_WSTATS, &ai->jobs))
3144 airo_read_wireless_stats(ai);
3145 else if (test_bit(JOB_PROMISC, &ai->jobs))
3146 airo_set_promisc(ai);
3147 else if (test_bit(JOB_MIC, &ai->jobs))
3149 else if (test_bit(JOB_EVENT, &ai->jobs))
3150 airo_send_event(dev);
3151 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3153 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3154 airo_process_scan_results(ai);
3155 else /* Shouldn't get here, but we make sure to unlock */
3162 static int header_len(__le16 ctl)
3164 u16 fc = le16_to_cpu(ctl);
3167 if ((fc & 0xe0) == 0xc0)
3168 return 10; /* one-address control packet */
3169 return 16; /* two-address control packet */
3171 if ((fc & 0x300) == 0x300)
3172 return 30; /* WDS packet */
3177 static void airo_handle_cisco_mic(struct airo_info *ai)
3179 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3180 set_bit(JOB_MIC, &ai->jobs);
3181 wake_up_interruptible(&ai->thr_wait);
3185 /* Airo Status codes */
3186 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3187 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3188 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3189 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3190 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3191 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3192 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3193 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3194 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3195 #define STAT_ASSOC 0x0400 /* Associated */
3196 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3198 static void airo_print_status(const char *devname, u16 status)
3200 u8 reason = status & 0xFF;
3202 switch (status & 0xFF00) {
3206 airo_print_dbg(devname, "link lost (missed beacons)");
3208 case STAT_MAXRETRIES:
3210 airo_print_dbg(devname, "link lost (max retries)");
3212 case STAT_FORCELOSS:
3213 airo_print_dbg(devname, "link lost (local choice)");
3216 airo_print_dbg(devname, "link lost (TSF sync lost)");
3219 airo_print_dbg(devname, "unknown status %x\n", status);
3224 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3227 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3229 case STAT_ASSOC_FAIL:
3230 airo_print_dbg(devname, "association failed (reason: %d)",
3233 case STAT_AUTH_FAIL:
3234 airo_print_dbg(devname, "authentication failed (reason: %d)",
3241 airo_print_dbg(devname, "unknown status %x\n", status);
3246 static void airo_handle_link(struct airo_info *ai)
3248 union iwreq_data wrqu;
3249 int scan_forceloss = 0;
3252 /* Get new status and acknowledge the link change */
3253 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3254 OUT4500(ai, EVACK, EV_LINK);
3256 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3259 airo_print_status(ai->dev->name, status);
3261 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3264 if (ai->list_bss_task)
3265 wake_up_process(ai->list_bss_task);
3266 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3267 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3269 if (down_trylock(&ai->sem) != 0) {
3270 set_bit(JOB_EVENT, &ai->jobs);
3271 wake_up_interruptible(&ai->thr_wait);
3273 airo_send_event(ai->dev);
3274 netif_carrier_on(ai->dev);
3275 } else if (!scan_forceloss) {
3276 if (auto_wep && !ai->expires) {
3277 ai->expires = RUN_AT(3*HZ);
3278 wake_up_interruptible(&ai->thr_wait);
3281 /* Send event to user space */
3282 eth_zero_addr(wrqu.ap_addr.sa_data);
3283 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3284 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3285 netif_carrier_off(ai->dev);
3287 netif_carrier_off(ai->dev);
3291 static void airo_handle_rx(struct airo_info *ai)
3293 struct sk_buff *skb = NULL;
3294 __le16 fc, v, *buffer, tmpbuf[4];
3295 u16 len, hdrlen = 0, gap, fid;
3299 if (test_bit(FLAG_MPI, &ai->flags)) {
3300 if (test_bit(FLAG_802_11, &ai->flags))
3301 mpi_receive_802_11(ai);
3303 mpi_receive_802_3(ai);
3304 OUT4500(ai, EVACK, EV_RX);
3308 fid = IN4500(ai, RXFID);
3310 /* Get the packet length */
3311 if (test_bit(FLAG_802_11, &ai->flags)) {
3312 bap_setup (ai, fid, 4, BAP0);
3313 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3314 /* Bad CRC. Ignore packet */
3315 if (le16_to_cpu(hdr.status) & 2)
3317 if (ai->wifidev == NULL)
3320 bap_setup(ai, fid, 0x36, BAP0);
3321 bap_read(ai, &hdr.len, 2, BAP0);
3323 len = le16_to_cpu(hdr.len);
3325 if (len > AIRO_DEF_MTU) {
3326 airo_print_err(ai->dev->name, "Bad size %d", len);
3332 if (test_bit(FLAG_802_11, &ai->flags)) {
3333 bap_read(ai, &fc, sizeof (fc), BAP0);
3334 hdrlen = header_len(fc);
3336 hdrlen = ETH_ALEN * 2;
3338 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3340 ai->dev->stats.rx_dropped++;
3344 skb_reserve(skb, 2); /* This way the IP header is aligned */
3345 buffer = skb_put(skb, len + hdrlen);
3346 if (test_bit(FLAG_802_11, &ai->flags)) {
3348 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3350 bap_read(ai, tmpbuf, 6, BAP0);
3352 bap_read(ai, &v, sizeof(v), BAP0);
3353 gap = le16_to_cpu(v);
3356 bap_read(ai, tmpbuf, gap, BAP0);
3358 airo_print_err(ai->dev->name, "gaplen too "
3359 "big. Problems will follow...");
3362 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3366 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3367 if (ai->micstats.enabled) {
3368 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3369 if (ntohs(micbuf.typelen) > 0x05DC)
3370 bap_setup(ai, fid, 0x44, BAP0);
3372 if (len <= sizeof (micbuf)) {
3373 dev_kfree_skb_irq(skb);
3377 len -= sizeof(micbuf);
3378 skb_trim(skb, len + hdrlen);
3382 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3383 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3384 dev_kfree_skb_irq (skb);
3390 if (success && (ai->spy_data.spy_number > 0)) {
3392 struct iw_quality wstats;
3394 /* Prepare spy data : addr + qual */
3395 if (!test_bit(FLAG_802_11, &ai->flags)) {
3396 sa = (char *) buffer + 6;
3397 bap_setup(ai, fid, 8, BAP0);
3398 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3400 sa = (char *) buffer + 10;
3401 wstats.qual = hdr.rssi[0];
3403 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3405 wstats.level = (hdr.rssi[1] + 321) / 2;
3406 wstats.noise = ai->wstats.qual.noise;
3407 wstats.updated = IW_QUAL_LEVEL_UPDATED
3408 | IW_QUAL_QUAL_UPDATED
3410 /* Update spy records */
3411 wireless_spy_update(ai->dev, sa, &wstats);
3413 #endif /* WIRELESS_SPY */
3416 OUT4500(ai, EVACK, EV_RX);
3419 if (test_bit(FLAG_802_11, &ai->flags)) {
3420 skb_reset_mac_header(skb);
3421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = ai->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
3425 skb->protocol = eth_type_trans(skb, ai->dev);
3426 skb->ip_summed = CHECKSUM_NONE;
3432 static void airo_handle_tx(struct airo_info *ai, u16 status)
3434 int i, len = 0, index = -1;
3437 if (test_bit(FLAG_MPI, &ai->flags)) {
3438 unsigned long flags;
3440 if (status & EV_TXEXC)
3441 get_tx_error(ai, -1);
3443 spin_lock_irqsave(&ai->aux_lock, flags);
3444 if (!skb_queue_empty(&ai->txq)) {
3445 spin_unlock_irqrestore(&ai->aux_lock,flags);
3446 mpi_send_packet(ai->dev);
3448 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3449 spin_unlock_irqrestore(&ai->aux_lock,flags);
3450 netif_wake_queue(ai->dev);
3452 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3456 fid = IN4500(ai, TXCOMPLFID);
3458 for(i = 0; i < MAX_FIDS; i++) {
3459 if ((ai->fids[i] & 0xffff) == fid) {
3460 len = ai->fids[i] >> 16;
3466 if (status & EV_TXEXC)
3467 get_tx_error(ai, index);
3469 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3471 /* Set up to be used again */
3472 ai->fids[index] &= 0xffff;
3473 if (index < MAX_FIDS / 2) {
3474 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3475 netif_wake_queue(ai->dev);
3477 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3478 netif_wake_queue(ai->wifidev);
3481 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3482 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3486 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3488 struct net_device *dev = dev_id;
3489 u16 status, savedInterrupts = 0;
3490 struct airo_info *ai = dev->ml_priv;
3493 if (!netif_device_present(dev))
3497 status = IN4500(ai, EVSTAT);
3498 if (!(status & STATUS_INTS) || (status == 0xffff))
3503 if (status & EV_AWAKE) {
3504 OUT4500(ai, EVACK, EV_AWAKE);
3505 OUT4500(ai, EVACK, EV_AWAKE);
3508 if (!savedInterrupts) {
3509 savedInterrupts = IN4500(ai, EVINTEN);
3510 OUT4500(ai, EVINTEN, 0);
3513 if (status & EV_MIC) {
3514 OUT4500(ai, EVACK, EV_MIC);
3515 airo_handle_cisco_mic(ai);
3518 if (status & EV_LINK) {
3519 /* Link status changed */
3520 airo_handle_link(ai);
3523 /* Check to see if there is something to receive */
3527 /* Check to see if a packet has been transmitted */
3528 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3529 airo_handle_tx(ai, status);
3531 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3532 airo_print_warn(ai->dev->name, "Got weird status %x",
3533 status & ~STATUS_INTS & ~IGNORE_INTS );
3537 if (savedInterrupts)
3538 OUT4500(ai, EVINTEN, savedInterrupts);
3540 return IRQ_RETVAL(handled);
3544 * Routines to talk to the card
3548 * This was originally written for the 4500, hence the name
3549 * NOTE: If use with 8bit mode and SMP bad things will happen!
3550 * Why would some one do 8 bit IO in an SMP machine?!?
3552 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3553 if (test_bit(FLAG_MPI,&ai->flags))
3556 outw( val, ai->dev->base_addr + reg );
3558 outb( val & 0xff, ai->dev->base_addr + reg );
3559 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3563 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3566 if (test_bit(FLAG_MPI,&ai->flags))
3569 rc = inw( ai->dev->base_addr + reg );
3571 rc = inb( ai->dev->base_addr + reg );
3572 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3577 static int enable_MAC(struct airo_info *ai, int lock)
3583 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3584 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3585 * Note : we could try to use !netif_running(dev) in enable_MAC()
3586 * instead of this flag, but I don't trust it *within* the
3587 * open/close functions, and testing both flags together is
3588 * "cheaper" - Jean II */
3589 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3591 if (lock && down_interruptible(&ai->sem))
3592 return -ERESTARTSYS;
3594 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3595 memset(&cmd, 0, sizeof(cmd));
3596 cmd.cmd = MAC_ENABLE;
3597 rc = issuecommand(ai, &cmd, &rsp);
3599 set_bit(FLAG_ENABLED, &ai->flags);
3607 airo_print_err(ai->dev->name, "Cannot enable MAC");
3608 else if ((rsp.status & 0xFF00) != 0) {
3609 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3610 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3616 static void disable_MAC( struct airo_info *ai, int lock ) {
3620 if (lock == 1 && down_interruptible(&ai->sem))
3623 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3624 if (lock != 2) /* lock == 2 means don't disable carrier */
3625 netif_carrier_off(ai->dev);
3626 memset(&cmd, 0, sizeof(cmd));
3627 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3628 issuecommand(ai, &cmd, &rsp);
3629 clear_bit(FLAG_ENABLED, &ai->flags);
3635 static void enable_interrupts( struct airo_info *ai ) {
3636 /* Enable the interrupts */
3637 OUT4500( ai, EVINTEN, STATUS_INTS );
3640 static void disable_interrupts( struct airo_info *ai ) {
3641 OUT4500( ai, EVINTEN, 0 );
3644 static void mpi_receive_802_3(struct airo_info *ai)
3648 struct sk_buff *skb;
3653 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3654 /* Make sure we got something */
3655 if (rxd.rdy && rxd.valid == 0) {
3657 if (len < 12 || len > 2048)
3660 skb = dev_alloc_skb(len);
3662 ai->dev->stats.rx_dropped++;
3665 buffer = skb_put(skb,len);
3666 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3667 if (ai->micstats.enabled) {
3669 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3671 if (ntohs(micbuf.typelen) <= 0x05DC) {
3672 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3675 off = sizeof(micbuf);
3676 skb_trim (skb, len - off);
3679 memcpy(buffer + ETH_ALEN * 2,
3680 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3681 len - ETH_ALEN * 2 - off);
3682 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3684 dev_kfree_skb_irq (skb);
3688 if (ai->spy_data.spy_number > 0) {
3690 struct iw_quality wstats;
3691 /* Prepare spy data : addr + qual */
3692 sa = buffer + ETH_ALEN;
3693 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3696 /* Update spy records */
3697 wireless_spy_update(ai->dev, sa, &wstats);
3699 #endif /* WIRELESS_SPY */
3701 skb->ip_summed = CHECKSUM_NONE;
3702 skb->protocol = eth_type_trans(skb, ai->dev);
3706 if (rxd.valid == 0) {
3710 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3714 static void mpi_receive_802_11(struct airo_info *ai)
3717 struct sk_buff *skb = NULL;
3718 u16 len, hdrlen = 0;
3723 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3725 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3726 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3728 /* Bad CRC. Ignore packet */
3729 if (le16_to_cpu(hdr.status) & 2)
3731 if (ai->wifidev == NULL)
3733 len = le16_to_cpu(hdr.len);
3734 if (len > AIRO_DEF_MTU) {
3735 airo_print_err(ai->dev->name, "Bad size %d", len);
3741 fc = get_unaligned((__le16 *)ptr);
3742 hdrlen = header_len(fc);
3744 skb = dev_alloc_skb( len + hdrlen + 2 );
3746 ai->dev->stats.rx_dropped++;
3749 buffer = skb_put(skb, len + hdrlen);
3750 memcpy ((char *)buffer, ptr, hdrlen);
3754 gap = get_unaligned_le16(ptr);
3755 ptr += sizeof(__le16);
3760 airo_print_err(ai->dev->name,
3761 "gaplen too big. Problems will follow...");
3763 memcpy ((char *)buffer + hdrlen, ptr, len);
3765 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3766 if (ai->spy_data.spy_number > 0) {
3768 struct iw_quality wstats;
3769 /* Prepare spy data : addr + qual */
3770 sa = (char*)buffer + 10;
3771 wstats.qual = hdr.rssi[0];
3773 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3775 wstats.level = (hdr.rssi[1] + 321) / 2;
3776 wstats.noise = ai->wstats.qual.noise;
3777 wstats.updated = IW_QUAL_QUAL_UPDATED
3778 | IW_QUAL_LEVEL_UPDATED
3780 /* Update spy records */
3781 wireless_spy_update(ai->dev, sa, &wstats);
3783 #endif /* IW_WIRELESS_SPY */
3784 skb_reset_mac_header(skb);
3785 skb->pkt_type = PACKET_OTHERHOST;
3786 skb->dev = ai->wifidev;
3787 skb->protocol = htons(ETH_P_802_2);
3788 skb->ip_summed = CHECKSUM_NONE;
3792 if (rxd.valid == 0) {
3796 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3800 static inline void set_auth_type(struct airo_info *local, int auth_type)
3802 local->config.authType = auth_type;
3803 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3804 * Used by airo_set_auth()
3806 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3807 local->last_auth = auth_type;
3810 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3820 memset( &mySsid, 0, sizeof( mySsid ) );
3824 /* The NOP is the first step in getting the card going */
3826 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3827 if (lock && down_interruptible(&ai->sem))
3829 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3834 disable_MAC( ai, 0);
3836 // Let's figure out if we need to use the AUX port
3837 if (!test_bit(FLAG_MPI,&ai->flags)) {
3838 cmd.cmd = CMD_ENABLEAUX;
3839 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3842 airo_print_err(ai->dev->name, "Error checking for AUX port");
3845 if (!aux_bap || rsp.status & 0xff00) {
3846 ai->bap_read = fast_bap_read;
3847 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3849 ai->bap_read = aux_bap_read;
3850 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3855 if (ai->config.len == 0) {
3857 tdsRssiRid rssi_rid;
3858 CapabilityRid cap_rid;
3862 // general configuration (read/modify/write)
3863 status = readConfigRid(ai, lock);
3864 if ( status != SUCCESS ) return ERROR;
3866 status = readCapabilityRid(ai, &cap_rid, lock);
3867 if ( status != SUCCESS ) return ERROR;
3869 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3870 if ( status == SUCCESS ) {
3871 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3872 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3877 if (cap_rid.softCap & cpu_to_le16(8))
3878 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3880 airo_print_warn(ai->dev->name, "unknown received signal "
3883 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3884 set_auth_type(ai, AUTH_OPEN);
3885 ai->config.modulation = MOD_CCK;
3887 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3888 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3889 micsetup(ai) == SUCCESS) {
3890 ai->config.opmode |= MODE_MIC;
3891 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3894 /* Save off the MAC */
3895 for( i = 0; i < ETH_ALEN; i++ ) {
3896 mac[i] = ai->config.macAddr[i];
3899 /* Check to see if there are any insmod configured
3902 memset(ai->config.rates,0,sizeof(ai->config.rates));
3903 for( i = 0; i < 8 && rates[i]; i++ ) {
3904 ai->config.rates[i] = rates[i];
3907 set_bit (FLAG_COMMIT, &ai->flags);
3910 /* Setup the SSIDs if present */
3913 for( i = 0; i < 3 && ssids[i]; i++ ) {
3914 size_t len = strlen(ssids[i]);
3917 mySsid.ssids[i].len = cpu_to_le16(len);
3918 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3920 mySsid.len = cpu_to_le16(sizeof(mySsid));
3923 status = writeConfigRid(ai, lock);
3924 if ( status != SUCCESS ) return ERROR;
3926 /* Set up the SSID list */
3928 status = writeSsidRid(ai, &mySsid, lock);
3929 if ( status != SUCCESS ) return ERROR;
3932 status = enable_MAC(ai, lock);
3933 if (status != SUCCESS)
3936 /* Grab the initial wep key, we gotta save it for auto_wep */
3937 rc = readWepKeyRid(ai, &wkr, 1, lock);
3938 if (rc == SUCCESS) do {
3939 lastindex = wkr.kindex;
3940 if (wkr.kindex == cpu_to_le16(0xffff)) {
3941 ai->defindex = wkr.mac[0];
3943 rc = readWepKeyRid(ai, &wkr, 0, lock);
3944 } while(lastindex != wkr.kindex);
3951 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3952 // Im really paranoid about letting it run forever!
3953 int max_tries = 600000;
3955 if (IN4500(ai, EVSTAT) & EV_CMD)
3956 OUT4500(ai, EVACK, EV_CMD);
3958 OUT4500(ai, PARAM0, pCmd->parm0);
3959 OUT4500(ai, PARAM1, pCmd->parm1);
3960 OUT4500(ai, PARAM2, pCmd->parm2);
3961 OUT4500(ai, COMMAND, pCmd->cmd);
3963 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3964 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3965 // PC4500 didn't notice command, try again
3966 OUT4500(ai, COMMAND, pCmd->cmd);
3967 if (!in_atomic() && (max_tries & 255) == 0)
3971 if ( max_tries == -1 ) {
3972 airo_print_err(ai->dev->name,
3973 "Max tries exceeded when issuing command");
3974 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3975 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3979 // command completed
3980 pRsp->status = IN4500(ai, STATUS);
3981 pRsp->rsp0 = IN4500(ai, RESP0);
3982 pRsp->rsp1 = IN4500(ai, RESP1);
3983 pRsp->rsp2 = IN4500(ai, RESP2);
3984 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3985 airo_print_err(ai->dev->name,
3986 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3987 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3990 // clear stuck command busy if necessary
3991 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3992 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3994 // acknowledge processing the status/response
3995 OUT4500(ai, EVACK, EV_CMD);
4000 /* Sets up the bap to start exchange data. whichbap should
4001 * be one of the BAP0 or BAP1 defines. Locks should be held before
4003 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4008 OUT4500(ai, SELECT0+whichbap, rid);
4009 OUT4500(ai, OFFSET0+whichbap, offset);
4011 int status = IN4500(ai, OFFSET0+whichbap);
4012 if (status & BAP_BUSY) {
4013 /* This isn't really a timeout, but its kinda
4018 } else if ( status & BAP_ERR ) {
4019 /* invalid rid or offset */
4020 airo_print_err(ai->dev->name, "BAP error %x %d",
4023 } else if (status & BAP_DONE) { // success
4026 if ( !(max_tries--) ) {
4027 airo_print_err(ai->dev->name,
4028 "BAP setup error too many retries\n");
4031 // -- PC4500 missed it, try again
4032 OUT4500(ai, SELECT0+whichbap, rid);
4033 OUT4500(ai, OFFSET0+whichbap, offset);
4038 /* should only be called by aux_bap_read. This aux function and the
4039 following use concepts not documented in the developers guide. I
4040 got them from a patch given to my by Aironet */
4041 static u16 aux_setup(struct airo_info *ai, u16 page,
4042 u16 offset, u16 *len)
4046 OUT4500(ai, AUXPAGE, page);
4047 OUT4500(ai, AUXOFF, 0);
4048 next = IN4500(ai, AUXDATA);
4049 *len = IN4500(ai, AUXDATA)&0xff;
4050 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4054 /* requires call to bap_setup() first */
4055 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4056 int bytelen, int whichbap)
4064 unsigned long flags;
4066 spin_lock_irqsave(&ai->aux_lock, flags);
4067 page = IN4500(ai, SWS0+whichbap);
4068 offset = IN4500(ai, SWS2+whichbap);
4069 next = aux_setup(ai, page, offset, &len);
4070 words = (bytelen+1)>>1;
4072 for (i=0; i<words;) {
4074 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4076 insw( ai->dev->base_addr+DATA0+whichbap,
4079 insb( ai->dev->base_addr+DATA0+whichbap,
4080 pu16Dst+i, count << 1 );
4083 next = aux_setup(ai, next, 4, &len);
4086 spin_unlock_irqrestore(&ai->aux_lock, flags);
4091 /* requires call to bap_setup() first */
4092 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4093 int bytelen, int whichbap)
4095 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4099 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4103 /* requires call to bap_setup() first */
4104 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4105 int bytelen, int whichbap)
4107 bytelen = (bytelen + 1) & (~1); // round up to even value
4109 outsw( ai->dev->base_addr+DATA0+whichbap,
4110 pu16Src, bytelen>>1 );
4112 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4116 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4118 Cmd cmd; /* for issuing commands */
4119 Resp rsp; /* response from commands */
4122 memset(&cmd, 0, sizeof(cmd));
4125 status = issuecommand(ai, &cmd, &rsp);
4126 if (status != 0) return status;
4127 if ( (rsp.status & 0x7F00) != 0) {
4128 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4133 /* Note, that we are using BAP1 which is also used by transmit, so
4134 * we must get a lock. */
4135 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4141 if (down_interruptible(&ai->sem))
4144 if (test_bit(FLAG_MPI,&ai->flags)) {
4148 memset(&cmd, 0, sizeof(cmd));
4149 memset(&rsp, 0, sizeof(rsp));
4150 ai->config_desc.rid_desc.valid = 1;
4151 ai->config_desc.rid_desc.len = RIDSIZE;
4152 ai->config_desc.rid_desc.rid = 0;
4153 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4155 cmd.cmd = CMD_ACCESS;
4158 memcpy_toio(ai->config_desc.card_ram_off,
4159 &ai->config_desc.rid_desc, sizeof(Rid));
4161 rc = issuecommand(ai, &cmd, &rsp);
4163 if (rsp.status & 0x7f00)
4166 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4169 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4173 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4177 // read the rid length field
4178 bap_read(ai, pBuf, 2, BAP1);
4179 // length for remaining part of rid
4180 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4183 airo_print_err(ai->dev->name,
4184 "Rid %x has a length of %d which is too short",
4185 (int)rid, (int)len );
4189 // read remainder of the rid
4190 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4198 /* Note, that we are using BAP1 which is also used by transmit, so
4199 * make sure this isn't called when a transmit is happening */
4200 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4201 const void *pBuf, int len, int lock)
4206 *(__le16*)pBuf = cpu_to_le16((u16)len);
4209 if (down_interruptible(&ai->sem))
4212 if (test_bit(FLAG_MPI,&ai->flags)) {
4216 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4217 airo_print_err(ai->dev->name,
4218 "%s: MAC should be disabled (rid=%04x)",
4220 memset(&cmd, 0, sizeof(cmd));
4221 memset(&rsp, 0, sizeof(rsp));
4223 ai->config_desc.rid_desc.valid = 1;
4224 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4225 ai->config_desc.rid_desc.rid = 0;
4227 cmd.cmd = CMD_WRITERID;
4230 memcpy_toio(ai->config_desc.card_ram_off,
4231 &ai->config_desc.rid_desc, sizeof(Rid));
4233 if (len < 4 || len > 2047) {
4234 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4237 memcpy(ai->config_desc.virtual_host_addr,
4240 rc = issuecommand(ai, &cmd, &rsp);
4241 if ((rc & 0xff00) != 0) {
4242 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4244 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4248 if ((rsp.status & 0x7f00))
4252 // --- first access so that we can write the rid data
4253 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4257 // --- now write the rid data
4258 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4262 bap_write(ai, pBuf, len, BAP1);
4263 // ---now commit the rid data
4264 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4272 /* Allocates a FID to be used for transmitting packets. We only use
4274 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4276 unsigned int loop = 3000;
4282 cmd.cmd = CMD_ALLOCATETX;
4283 cmd.parm0 = lenPayload;
4284 if (down_interruptible(&ai->sem))
4286 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4290 if ( (rsp.status & 0xFF00) != 0) {
4294 /* wait for the allocate event/indication
4295 * It makes me kind of nervous that this can just sit here and spin,
4296 * but in practice it only loops like four times. */
4297 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4303 // get the allocated fid and acknowledge
4304 txFid = IN4500(ai, TXALLOCFID);
4305 OUT4500(ai, EVACK, EV_ALLOC);
4307 /* The CARD is pretty cool since it converts the ethernet packet
4308 * into 802.11. Also note that we don't release the FID since we
4309 * will be using the same one over and over again. */
4310 /* We only have to setup the control once since we are not
4311 * releasing the fid. */
4313 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4314 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4316 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4317 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4318 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4321 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4329 /* In general BAP1 is dedicated to transmiting packets. However,
4330 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4331 Make sure the BAP1 spinlock is held when this is called. */
4332 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4343 if (len <= ETH_ALEN * 2) {
4344 airo_print_warn(ai->dev->name, "Short packet %d", len);
4347 len -= ETH_ALEN * 2;
4349 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4350 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4351 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4353 miclen = sizeof(pMic);
4355 // packet is destination[6], source[6], payload[len-12]
4356 // write the payload length and dst/src/payload
4357 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4358 /* The hardware addresses aren't counted as part of the payload, so
4359 * we have to subtract the 12 bytes for the addresses off */
4360 payloadLen = cpu_to_le16(len + miclen);
4361 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4362 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4364 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4365 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4366 // issue the transmit command
4367 memset( &cmd, 0, sizeof( cmd ) );
4368 cmd.cmd = CMD_TRANSMIT;
4370 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4371 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4375 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4377 __le16 fc, payloadLen;
4381 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4382 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4386 fc = *(__le16*)pPacket;
4387 hdrlen = header_len(fc);
4390 airo_print_warn(ai->dev->name, "Short packet %d", len);
4394 /* packet is 802.11 header + payload
4395 * write the payload length and dst/src/payload */
4396 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4397 /* The 802.11 header aren't counted as part of the payload, so
4398 * we have to subtract the header bytes off */
4399 payloadLen = cpu_to_le16(len-hdrlen);
4400 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4401 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4402 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4403 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4405 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4406 // issue the transmit command
4407 memset( &cmd, 0, sizeof( cmd ) );
4408 cmd.cmd = CMD_TRANSMIT;
4410 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4411 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4416 * This is the proc_fs routines. It is a bit messier than I would
4417 * like! Feel free to clean it up!
4420 static ssize_t proc_read( struct file *file,
4421 char __user *buffer,
4425 static ssize_t proc_write( struct file *file,
4426 const char __user *buffer,
4429 static int proc_close( struct inode *inode, struct file *file );
4431 static int proc_stats_open( struct inode *inode, struct file *file );
4432 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4433 static int proc_status_open( struct inode *inode, struct file *file );
4434 static int proc_SSID_open( struct inode *inode, struct file *file );
4435 static int proc_APList_open( struct inode *inode, struct file *file );
4436 static int proc_BSSList_open( struct inode *inode, struct file *file );
4437 static int proc_config_open( struct inode *inode, struct file *file );
4438 static int proc_wepkey_open( struct inode *inode, struct file *file );
4440 static const struct file_operations proc_statsdelta_ops = {
4441 .owner = THIS_MODULE,
4443 .open = proc_statsdelta_open,
4444 .release = proc_close,
4445 .llseek = default_llseek,
4448 static const struct file_operations proc_stats_ops = {
4449 .owner = THIS_MODULE,
4451 .open = proc_stats_open,
4452 .release = proc_close,
4453 .llseek = default_llseek,
4456 static const struct file_operations proc_status_ops = {
4457 .owner = THIS_MODULE,
4459 .open = proc_status_open,
4460 .release = proc_close,
4461 .llseek = default_llseek,
4464 static const struct file_operations proc_SSID_ops = {
4465 .owner = THIS_MODULE,
4467 .write = proc_write,
4468 .open = proc_SSID_open,
4469 .release = proc_close,
4470 .llseek = default_llseek,
4473 static const struct file_operations proc_BSSList_ops = {
4474 .owner = THIS_MODULE,
4476 .write = proc_write,
4477 .open = proc_BSSList_open,
4478 .release = proc_close,
4479 .llseek = default_llseek,
4482 static const struct file_operations proc_APList_ops = {
4483 .owner = THIS_MODULE,
4485 .write = proc_write,
4486 .open = proc_APList_open,
4487 .release = proc_close,
4488 .llseek = default_llseek,
4491 static const struct file_operations proc_config_ops = {
4492 .owner = THIS_MODULE,
4494 .write = proc_write,
4495 .open = proc_config_open,
4496 .release = proc_close,
4497 .llseek = default_llseek,
4500 static const struct file_operations proc_wepkey_ops = {
4501 .owner = THIS_MODULE,
4503 .write = proc_write,
4504 .open = proc_wepkey_open,
4505 .release = proc_close,
4506 .llseek = default_llseek,
4509 static struct proc_dir_entry *airo_entry;
4518 void (*on_close) (struct inode *, struct file *);
4521 static int setup_proc_entry( struct net_device *dev,
4522 struct airo_info *apriv ) {
4523 struct proc_dir_entry *entry;
4525 /* First setup the device directory */
4526 strcpy(apriv->proc_name,dev->name);
4527 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4529 if (!apriv->proc_entry)
4531 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4533 /* Setup the StatsDelta */
4534 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4535 apriv->proc_entry, &proc_statsdelta_ops, dev);
4538 proc_set_user(entry, proc_kuid, proc_kgid);
4540 /* Setup the Stats */
4541 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4542 apriv->proc_entry, &proc_stats_ops, dev);
4545 proc_set_user(entry, proc_kuid, proc_kgid);
4547 /* Setup the Status */
4548 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4549 apriv->proc_entry, &proc_status_ops, dev);
4552 proc_set_user(entry, proc_kuid, proc_kgid);
4554 /* Setup the Config */
4555 entry = proc_create_data("Config", proc_perm,
4556 apriv->proc_entry, &proc_config_ops, dev);
4559 proc_set_user(entry, proc_kuid, proc_kgid);
4561 /* Setup the SSID */
4562 entry = proc_create_data("SSID", proc_perm,
4563 apriv->proc_entry, &proc_SSID_ops, dev);
4566 proc_set_user(entry, proc_kuid, proc_kgid);
4568 /* Setup the APList */
4569 entry = proc_create_data("APList", proc_perm,
4570 apriv->proc_entry, &proc_APList_ops, dev);
4573 proc_set_user(entry, proc_kuid, proc_kgid);
4575 /* Setup the BSSList */
4576 entry = proc_create_data("BSSList", proc_perm,
4577 apriv->proc_entry, &proc_BSSList_ops, dev);
4580 proc_set_user(entry, proc_kuid, proc_kgid);
4582 /* Setup the WepKey */
4583 entry = proc_create_data("WepKey", proc_perm,
4584 apriv->proc_entry, &proc_wepkey_ops, dev);
4587 proc_set_user(entry, proc_kuid, proc_kgid);
4591 remove_proc_subtree(apriv->proc_name, airo_entry);
4595 static int takedown_proc_entry( struct net_device *dev,
4596 struct airo_info *apriv )
4598 remove_proc_subtree(apriv->proc_name, airo_entry);
4603 * What we want from the proc_fs is to be able to efficiently read
4604 * and write the configuration. To do this, we want to read the
4605 * configuration when the file is opened and write it when the file is
4606 * closed. So basically we allocate a read buffer at open and fill it
4607 * with data, and allocate a write buffer and read it at close.
4611 * The read routine is generic, it relies on the preallocated rbuffer
4612 * to supply the data.
4614 static ssize_t proc_read( struct file *file,
4615 char __user *buffer,
4619 struct proc_data *priv = file->private_data;
4624 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4629 * The write routine is generic, it fills in a preallocated rbuffer
4630 * to supply the data.
4632 static ssize_t proc_write( struct file *file,
4633 const char __user *buffer,
4638 struct proc_data *priv = file->private_data;
4643 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4646 priv->writelen = max_t(int, priv->writelen, *offset);
4651 static int proc_status_open(struct inode *inode, struct file *file)
4653 struct proc_data *data;
4654 struct net_device *dev = PDE_DATA(inode);
4655 struct airo_info *apriv = dev->ml_priv;
4656 CapabilityRid cap_rid;
4657 StatusRid status_rid;
4661 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4663 data = file->private_data;
4664 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4665 kfree (file->private_data);
4669 readStatusRid(apriv, &status_rid, 1);
4670 readCapabilityRid(apriv, &cap_rid, 1);
4672 mode = le16_to_cpu(status_rid.mode);
4674 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4675 mode & 1 ? "CFG ": "",
4676 mode & 2 ? "ACT ": "",
4677 mode & 0x10 ? "SYN ": "",
4678 mode & 0x20 ? "LNK ": "",
4679 mode & 0x40 ? "LEAP ": "",
4680 mode & 0x80 ? "PRIV ": "",
4681 mode & 0x100 ? "KEY ": "",
4682 mode & 0x200 ? "WEP ": "",
4683 mode & 0x8000 ? "ERR ": "");
4684 sprintf( data->rbuffer+i, "Mode: %x\n"
4685 "Signal Strength: %d\n"
4686 "Signal Quality: %d\n"
4691 "Driver Version: %s\n"
4692 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4693 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4694 "Software Version: %x\nSoftware Subversion: %x\n"
4695 "Boot block version: %x\n",
4696 le16_to_cpu(status_rid.mode),
4697 le16_to_cpu(status_rid.normalizedSignalStrength),
4698 le16_to_cpu(status_rid.signalQuality),
4699 le16_to_cpu(status_rid.SSIDlen),
4702 le16_to_cpu(status_rid.channel),
4703 le16_to_cpu(status_rid.currentXmitRate) / 2,
4708 le16_to_cpu(cap_rid.radioType),
4709 le16_to_cpu(cap_rid.country),
4710 le16_to_cpu(cap_rid.hardVer),
4711 le16_to_cpu(cap_rid.softVer),
4712 le16_to_cpu(cap_rid.softSubVer),
4713 le16_to_cpu(cap_rid.bootBlockVer));
4714 data->readlen = strlen( data->rbuffer );
4718 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4719 static int proc_statsdelta_open( struct inode *inode,
4720 struct file *file ) {
4721 if (file->f_mode&FMODE_WRITE) {
4722 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4724 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4727 static int proc_stats_open( struct inode *inode, struct file *file ) {
4728 return proc_stats_rid_open(inode, file, RID_STATS);
4731 static int proc_stats_rid_open( struct inode *inode,
4735 struct proc_data *data;
4736 struct net_device *dev = PDE_DATA(inode);
4737 struct airo_info *apriv = dev->ml_priv;
4740 __le32 *vals = stats.vals;
4743 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4745 data = file->private_data;
4746 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4747 kfree (file->private_data);
4751 readStatsRid(apriv, &stats, rid, 1);
4752 len = le16_to_cpu(stats.len);
4755 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4756 if (!statsLabels[i]) continue;
4757 if (j+strlen(statsLabels[i])+16>4096) {
4758 airo_print_warn(apriv->dev->name,
4759 "Potentially disastrous buffer overflow averted!");
4762 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4763 le32_to_cpu(vals[i]));
4766 airo_print_warn(apriv->dev->name, "Got a short rid");
4772 static int get_dec_u16( char *buffer, int *start, int limit ) {
4775 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4776 buffer[*start] <= '9'; (*start)++) {
4779 value += buffer[*start] - '0';
4781 if ( !valid ) return -1;
4785 static int airo_config_commit(struct net_device *dev,
4786 struct iw_request_info *info, void *zwrq,
4789 static inline int sniffing_mode(struct airo_info *ai)
4791 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4792 le16_to_cpu(RXMODE_RFMON);
4795 static void proc_config_on_close(struct inode *inode, struct file *file)
4797 struct proc_data *data = file->private_data;
4798 struct net_device *dev = PDE_DATA(inode);
4799 struct airo_info *ai = dev->ml_priv;
4802 if ( !data->writelen ) return;
4804 readConfigRid(ai, 1);
4805 set_bit (FLAG_COMMIT, &ai->flags);
4807 line = data->wbuffer;
4809 /*** Mode processing */
4810 if ( !strncmp( line, "Mode: ", 6 ) ) {
4812 if (sniffing_mode(ai))
4813 set_bit (FLAG_RESET, &ai->flags);
4814 ai->config.rmode &= ~RXMODE_FULL_MASK;
4815 clear_bit (FLAG_802_11, &ai->flags);
4816 ai->config.opmode &= ~MODE_CFG_MASK;
4817 ai->config.scanMode = SCANMODE_ACTIVE;
4818 if ( line[0] == 'a' ) {
4819 ai->config.opmode |= MODE_STA_IBSS;
4821 ai->config.opmode |= MODE_STA_ESS;
4822 if ( line[0] == 'r' ) {
4823 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4824 ai->config.scanMode = SCANMODE_PASSIVE;
4825 set_bit (FLAG_802_11, &ai->flags);
4826 } else if ( line[0] == 'y' ) {
4827 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4828 ai->config.scanMode = SCANMODE_PASSIVE;
4829 set_bit (FLAG_802_11, &ai->flags);
4830 } else if ( line[0] == 'l' )
4831 ai->config.rmode |= RXMODE_LANMON;
4833 set_bit (FLAG_COMMIT, &ai->flags);
4836 /*** Radio status */
4837 else if (!strncmp(line,"Radio: ", 7)) {
4839 if (!strncmp(line,"off",3)) {
4840 set_bit (FLAG_RADIO_OFF, &ai->flags);
4842 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4845 /*** NodeName processing */
4846 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4850 memset( ai->config.nodeName, 0, 16 );
4851 /* Do the name, assume a space between the mode and node name */
4852 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4853 ai->config.nodeName[j] = line[j];
4855 set_bit (FLAG_COMMIT, &ai->flags);
4858 /*** PowerMode processing */
4859 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4861 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4862 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4863 set_bit (FLAG_COMMIT, &ai->flags);
4864 } else if ( !strncmp( line, "PSP", 3 ) ) {
4865 ai->config.powerSaveMode = POWERSAVE_PSP;
4866 set_bit (FLAG_COMMIT, &ai->flags);
4868 ai->config.powerSaveMode = POWERSAVE_CAM;
4869 set_bit (FLAG_COMMIT, &ai->flags);
4871 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4872 int v, i = 0, k = 0; /* i is index into line,
4873 k is index to rates */
4876 while((v = get_dec_u16(line, &i, 3))!=-1) {
4877 ai->config.rates[k++] = (u8)v;
4881 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4885 v = get_dec_u16(line, &i, i+3);
4887 ai->config.channelSet = cpu_to_le16(v);
4888 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4893 v = get_dec_u16(line, &i, i+3);
4895 ai->config.txPower = cpu_to_le16(v);
4896 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4902 set_auth_type(ai, AUTH_SHAREDKEY);
4905 set_auth_type(ai, AUTH_ENCRYPT);
4908 set_auth_type(ai, AUTH_OPEN);
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4916 v = get_dec_u16(line, &i, 3);
4917 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4918 ai->config.longRetryLimit = cpu_to_le16(v);
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4924 v = get_dec_u16(line, &i, 3);
4925 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4926 ai->config.shortRetryLimit = cpu_to_le16(v);
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4932 v = get_dec_u16(line, &i, 4);
4933 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4934 ai->config.rtsThres = cpu_to_le16(v);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4940 v = get_dec_u16(line, &i, 5);
4942 ai->config.txLifetime = cpu_to_le16(v);
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4948 v = get_dec_u16(line, &i, 5);
4950 ai->config.rxLifetime = cpu_to_le16(v);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4953 ai->config.txDiversity =
4954 (line[13]=='l') ? 1 :
4955 ((line[13]=='r')? 2: 3);
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4958 ai->config.rxDiversity =
4959 (line[13]=='l') ? 1 :
4960 ((line[13]=='r')? 2: 3);
4961 set_bit (FLAG_COMMIT, &ai->flags);
4962 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4966 v = get_dec_u16(line, &i, 4);
4967 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4968 v = v & 0xfffe; /* Make sure its even */
4969 ai->config.fragThresh = cpu_to_le16(v);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if (!strncmp(line, "Modulation: ", 12)) {
4974 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4976 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4977 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4979 } else if (!strncmp(line, "Preamble: ", 10)) {
4982 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4983 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4984 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4985 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4988 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4990 while( line[0] && line[0] != '\n' ) line++;
4991 if ( line[0] ) line++;
4993 airo_config_commit(dev, NULL, NULL, NULL);
4996 static const char *get_rmode(__le16 mode)
4998 switch(mode & RXMODE_MASK) {
4999 case RXMODE_RFMON: return "rfmon";
5000 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5001 case RXMODE_LANMON: return "lanmon";
5006 static int proc_config_open(struct inode *inode, struct file *file)
5008 struct proc_data *data;
5009 struct net_device *dev = PDE_DATA(inode);
5010 struct airo_info *ai = dev->ml_priv;
5014 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5016 data = file->private_data;
5017 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5018 kfree (file->private_data);
5021 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5022 kfree (data->rbuffer);
5023 kfree (file->private_data);
5026 data->maxwritelen = 2048;
5027 data->on_close = proc_config_on_close;
5029 readConfigRid(ai, 1);
5031 mode = ai->config.opmode & MODE_CFG_MASK;
5032 i = sprintf( data->rbuffer,
5037 "DataRates: %d %d %d %d %d %d %d %d\n"
5040 mode == MODE_STA_IBSS ? "adhoc" :
5041 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5042 mode == MODE_AP ? "AP" :
5043 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5044 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5045 ai->config.nodeName,
5046 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5047 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5048 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5050 (int)ai->config.rates[0],
5051 (int)ai->config.rates[1],
5052 (int)ai->config.rates[2],
5053 (int)ai->config.rates[3],
5054 (int)ai->config.rates[4],
5055 (int)ai->config.rates[5],
5056 (int)ai->config.rates[6],
5057 (int)ai->config.rates[7],
5058 le16_to_cpu(ai->config.channelSet),
5059 le16_to_cpu(ai->config.txPower)
5061 sprintf( data->rbuffer + i,
5062 "LongRetryLimit: %d\n"
5063 "ShortRetryLimit: %d\n"
5064 "RTSThreshold: %d\n"
5065 "TXMSDULifetime: %d\n"
5066 "RXMSDULifetime: %d\n"
5069 "FragThreshold: %d\n"
5073 le16_to_cpu(ai->config.longRetryLimit),
5074 le16_to_cpu(ai->config.shortRetryLimit),
5075 le16_to_cpu(ai->config.rtsThres),
5076 le16_to_cpu(ai->config.txLifetime),
5077 le16_to_cpu(ai->config.rxLifetime),
5078 ai->config.txDiversity == 1 ? "left" :
5079 ai->config.txDiversity == 2 ? "right" : "both",
5080 ai->config.rxDiversity == 1 ? "left" :
5081 ai->config.rxDiversity == 2 ? "right" : "both",
5082 le16_to_cpu(ai->config.fragThresh),
5083 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5084 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5085 ai->config.modulation == MOD_DEFAULT ? "default" :
5086 ai->config.modulation == MOD_CCK ? "cck" :
5087 ai->config.modulation == MOD_MOK ? "mok" : "error",
5088 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5089 ai->config.preamble == PREAMBLE_LONG ? "long" :
5090 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5092 data->readlen = strlen( data->rbuffer );
5096 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5098 struct proc_data *data = file->private_data;
5099 struct net_device *dev = PDE_DATA(inode);
5100 struct airo_info *ai = dev->ml_priv;
5103 char *p = data->wbuffer;
5104 char *end = p + data->writelen;
5106 if (!data->writelen)
5109 *end = '\n'; /* sentinel; we have space for it */
5111 memset(&SSID_rid, 0, sizeof(SSID_rid));
5113 for (i = 0; i < 3 && p < end; i++) {
5115 /* copy up to 32 characters from this line */
5116 while (*p != '\n' && j < 32)
5117 SSID_rid.ssids[i].ssid[j++] = *p++;
5120 SSID_rid.ssids[i].len = cpu_to_le16(j);
5121 /* skip to the beginning of the next line */
5122 while (*p++ != '\n')
5126 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5128 writeSsidRid(ai, &SSID_rid, 1);
5132 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5133 struct proc_data *data = file->private_data;
5134 struct net_device *dev = PDE_DATA(inode);
5135 struct airo_info *ai = dev->ml_priv;
5136 APListRid *APList_rid = &ai->APList;
5139 if ( !data->writelen ) return;
5141 memset(APList_rid, 0, sizeof(*APList_rid));
5142 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5144 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5145 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5148 writeAPListRid(ai, APList_rid, 1);
5152 /* This function wraps PC4500_writerid with a MAC disable */
5153 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5154 int len, int dummy ) {
5158 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5163 /* Returns the WEP key at the specified index, or -1 if that key does
5164 * not exist. The buffer is assumed to be at least 16 bytes in length.
5166 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5172 rc = readWepKeyRid(ai, &wkr, 1, 1);
5176 lastindex = wkr.kindex;
5177 if (le16_to_cpu(wkr.kindex) == index) {
5178 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5179 memcpy(buf, wkr.key, klen);
5182 rc = readWepKeyRid(ai, &wkr, 0, 1);
5185 } while (lastindex != wkr.kindex);
5189 static int get_wep_tx_idx(struct airo_info *ai)
5195 rc = readWepKeyRid(ai, &wkr, 1, 1);
5199 lastindex = wkr.kindex;
5200 if (wkr.kindex == cpu_to_le16(0xffff))
5202 rc = readWepKeyRid(ai, &wkr, 0, 1);
5205 } while (lastindex != wkr.kindex);
5209 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5210 u16 keylen, int perm, int lock)
5212 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5216 if (WARN_ON(keylen == 0))
5219 memset(&wkr, 0, sizeof(wkr));
5220 wkr.len = cpu_to_le16(sizeof(wkr));
5221 wkr.kindex = cpu_to_le16(index);
5222 wkr.klen = cpu_to_le16(keylen);
5223 memcpy(wkr.key, key, keylen);
5224 memcpy(wkr.mac, macaddr, ETH_ALEN);
5226 if (perm) disable_MAC(ai, lock);
5227 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5228 if (perm) enable_MAC(ai, lock);
5232 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5237 memset(&wkr, 0, sizeof(wkr));
5238 wkr.len = cpu_to_le16(sizeof(wkr));
5239 wkr.kindex = cpu_to_le16(0xffff);
5240 wkr.mac[0] = (char)index;
5243 ai->defindex = (char)index;
5244 disable_MAC(ai, lock);
5247 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5250 enable_MAC(ai, lock);
5254 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5255 struct proc_data *data;
5256 struct net_device *dev = PDE_DATA(inode);
5257 struct airo_info *ai = dev->ml_priv;
5263 memset(key, 0, sizeof(key));
5265 data = file->private_data;
5266 if ( !data->writelen ) return;
5268 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5269 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5270 index = data->wbuffer[0] - '0';
5271 if (data->wbuffer[1] == '\n') {
5272 rc = set_wep_tx_idx(ai, index, 1, 1);
5274 airo_print_err(ai->dev->name, "failed to set "
5275 "WEP transmit index to %d: %d.",
5282 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5286 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5289 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5292 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5297 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5299 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5300 "%d: %d.", index, rc);
5304 static int proc_wepkey_open( struct inode *inode, struct file *file )
5306 struct proc_data *data;
5307 struct net_device *dev = PDE_DATA(inode);
5308 struct airo_info *ai = dev->ml_priv;
5315 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5317 memset(&wkr, 0, sizeof(wkr));
5318 data = file->private_data;
5319 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5320 kfree (file->private_data);
5324 data->maxwritelen = 80;
5325 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5326 kfree (data->rbuffer);
5327 kfree (file->private_data);
5330 data->on_close = proc_wepkey_on_close;
5332 ptr = data->rbuffer;
5333 strcpy(ptr, "No wep keys\n");
5334 rc = readWepKeyRid(ai, &wkr, 1, 1);
5335 if (rc == SUCCESS) do {
5336 lastindex = wkr.kindex;
5337 if (wkr.kindex == cpu_to_le16(0xffff)) {
5338 j += sprintf(ptr+j, "Tx key = %d\n",
5341 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5342 le16_to_cpu(wkr.kindex),
5343 le16_to_cpu(wkr.klen));
5345 readWepKeyRid(ai, &wkr, 0, 1);
5346 } while((lastindex != wkr.kindex) && (j < 180-30));
5348 data->readlen = strlen( data->rbuffer );
5352 static int proc_SSID_open(struct inode *inode, struct file *file)
5354 struct proc_data *data;
5355 struct net_device *dev = PDE_DATA(inode);
5356 struct airo_info *ai = dev->ml_priv;
5361 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5363 data = file->private_data;
5364 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5365 kfree (file->private_data);
5369 data->maxwritelen = 33*3;
5370 /* allocate maxwritelen + 1; we'll want a sentinel */
5371 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5372 kfree (data->rbuffer);
5373 kfree (file->private_data);
5376 data->on_close = proc_SSID_on_close;
5378 readSsidRid(ai, &SSID_rid);
5379 ptr = data->rbuffer;
5380 for (i = 0; i < 3; i++) {
5382 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5387 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5388 *ptr++ = SSID_rid.ssids[i].ssid[j];
5392 data->readlen = strlen( data->rbuffer );
5396 static int proc_APList_open( struct inode *inode, struct file *file ) {
5397 struct proc_data *data;
5398 struct net_device *dev = PDE_DATA(inode);
5399 struct airo_info *ai = dev->ml_priv;
5402 APListRid *APList_rid = &ai->APList;
5404 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5406 data = file->private_data;
5407 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5408 kfree (file->private_data);
5412 data->maxwritelen = 4*6*3;
5413 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5414 kfree (data->rbuffer);
5415 kfree (file->private_data);
5418 data->on_close = proc_APList_on_close;
5420 ptr = data->rbuffer;
5421 for( i = 0; i < 4; i++ ) {
5422 // We end when we find a zero MAC
5423 if ( !*(int*)APList_rid->ap[i] &&
5424 !*(int*)&APList_rid->ap[i][2]) break;
5425 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5427 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5430 data->readlen = strlen( data->rbuffer );
5434 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5435 struct proc_data *data;
5436 struct net_device *dev = PDE_DATA(inode);
5437 struct airo_info *ai = dev->ml_priv;
5439 BSSListRid BSSList_rid;
5441 /* If doLoseSync is not 1, we won't do a Lose Sync */
5442 int doLoseSync = -1;
5444 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5446 data = file->private_data;
5447 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5448 kfree (file->private_data);
5452 data->maxwritelen = 0;
5453 data->wbuffer = NULL;
5454 data->on_close = NULL;
5456 if (file->f_mode & FMODE_WRITE) {
5457 if (!(file->f_mode & FMODE_READ)) {
5461 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5462 memset(&cmd, 0, sizeof(cmd));
5463 cmd.cmd=CMD_LISTBSS;
5464 if (down_interruptible(&ai->sem))
5465 return -ERESTARTSYS;
5466 issuecommand(ai, &cmd, &rsp);
5473 ptr = data->rbuffer;
5474 /* There is a race condition here if there are concurrent opens.
5475 Since it is a rare condition, we'll just live with it, otherwise
5476 we have to add a spin lock... */
5477 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5478 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5479 ptr += sprintf(ptr, "%pM %.*s rssi = %d",
5481 (int)BSSList_rid.ssidLen,
5483 le16_to_cpu(BSSList_rid.dBm));
5484 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5485 le16_to_cpu(BSSList_rid.dsChannel),
5486 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5487 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5488 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5489 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5490 rc = readBSSListRid(ai, 0, &BSSList_rid);
5493 data->readlen = strlen( data->rbuffer );
5497 static int proc_close( struct inode *inode, struct file *file )
5499 struct proc_data *data = file->private_data;
5501 if (data->on_close != NULL)
5502 data->on_close(inode, file);
5503 kfree(data->rbuffer);
5504 kfree(data->wbuffer);
5509 /* Since the card doesn't automatically switch to the right WEP mode,
5510 we will make it do it. If the card isn't associated, every secs we
5511 will switch WEP modes to see if that will help. If the card is
5512 associated we will check every minute to see if anything has
5514 static void timer_func( struct net_device *dev ) {
5515 struct airo_info *apriv = dev->ml_priv;
5517 /* We don't have a link so try changing the authtype */
5518 readConfigRid(apriv, 0);
5519 disable_MAC(apriv, 0);
5520 switch(apriv->config.authType) {
5522 /* So drop to OPEN */
5523 apriv->config.authType = AUTH_OPEN;
5525 case AUTH_SHAREDKEY:
5526 if (apriv->keyindex < auto_wep) {
5527 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5528 apriv->config.authType = AUTH_SHAREDKEY;
5531 /* Drop to ENCRYPT */
5532 apriv->keyindex = 0;
5533 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5534 apriv->config.authType = AUTH_ENCRYPT;
5537 default: /* We'll escalate to SHAREDKEY */
5538 apriv->config.authType = AUTH_SHAREDKEY;
5540 set_bit (FLAG_COMMIT, &apriv->flags);
5541 writeConfigRid(apriv, 0);
5542 enable_MAC(apriv, 0);
5545 /* Schedule check to see if the change worked */
5546 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5547 apriv->expires = RUN_AT(HZ*3);
5551 static int airo_pci_probe(struct pci_dev *pdev,
5552 const struct pci_device_id *pent)
5554 struct net_device *dev;
5556 if (pci_enable_device(pdev))
5558 pci_set_master(pdev);
5560 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5561 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5563 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5565 pci_disable_device(pdev);
5569 pci_set_drvdata(pdev, dev);
5573 static void airo_pci_remove(struct pci_dev *pdev)
5575 struct net_device *dev = pci_get_drvdata(pdev);
5577 airo_print_info(dev->name, "Unregistering...");
5578 stop_airo_card(dev, 1);
5579 pci_disable_device(pdev);
5582 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5584 struct net_device *dev = pci_get_drvdata(pdev);
5585 struct airo_info *ai = dev->ml_priv;
5590 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5593 readSsidRid(ai, ai->SSID);
5594 memset(&cmd, 0, sizeof(cmd));
5595 /* the lock will be released at the end of the resume callback */
5596 if (down_interruptible(&ai->sem))
5599 netif_device_detach(dev);
5601 cmd.cmd = HOSTSLEEP;
5602 issuecommand(ai, &cmd, &rsp);
5604 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5605 pci_save_state(pdev);
5606 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5610 static int airo_pci_resume(struct pci_dev *pdev)
5612 struct net_device *dev = pci_get_drvdata(pdev);
5613 struct airo_info *ai = dev->ml_priv;
5614 pci_power_t prev_state = pdev->current_state;
5616 pci_set_power_state(pdev, PCI_D0);
5617 pci_restore_state(pdev);
5618 pci_enable_wake(pdev, PCI_D0, 0);
5620 if (prev_state != PCI_D1) {
5622 mpi_init_descriptors(ai);
5623 setup_card(ai, dev->dev_addr, 0);
5624 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5625 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5627 OUT4500(ai, EVACK, EV_AWAKEN);
5628 OUT4500(ai, EVACK, EV_AWAKEN);
5632 set_bit(FLAG_COMMIT, &ai->flags);
5636 writeSsidRid(ai, ai->SSID, 0);
5640 writeAPListRid(ai, &ai->APList, 0);
5641 writeConfigRid(ai, 0);
5643 ai->power = PMSG_ON;
5644 netif_device_attach(dev);
5645 netif_wake_queue(dev);
5646 enable_interrupts(ai);
5652 static int __init airo_init_module( void )
5656 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5657 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5658 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5661 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5664 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5666 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5667 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5668 "io=0x%x", irq[i], io[i] );
5669 if (init_airo_card( irq[i], io[i], 0, NULL ))
5674 airo_print_info("", "Probing for PCI adapters");
5675 i = pci_register_driver(&airo_driver);
5676 airo_print_info("", "Finished probing for PCI adapters");
5679 remove_proc_entry("driver/aironet", NULL);
5684 /* Always exit with success, as we are a library module
5685 * as well as a driver module
5690 static void __exit airo_cleanup_module( void )
5692 struct airo_info *ai;
5693 while(!list_empty(&airo_devices)) {
5694 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5695 airo_print_info(ai->dev->name, "Unregistering...");
5696 stop_airo_card(ai->dev, 1);
5699 pci_unregister_driver(&airo_driver);
5701 remove_proc_entry("driver/aironet", NULL);
5705 * Initial Wireless Extension code for Aironet driver by :
5706 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5707 * Conversion to new driver API by :
5708 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5709 * Javier also did a good amount of work here, adding some new extensions
5710 * and fixing my code. Let's just say that without him this code just
5711 * would not work at all... - Jean II
5714 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5719 return (0x100 - rssi_rid[rssi].rssidBm);
5722 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5729 for (i = 0; i < 256; i++)
5730 if (rssi_rid[i].rssidBm == dbm)
5731 return rssi_rid[i].rssipct;
5737 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5742 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5745 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5748 sq = le16_to_cpu(status_rid->signalQuality);
5749 if (memcmp(cap_rid->prodName, "350", 3))
5753 quality = 0x20 - sq;
5760 quality = 0xb0 - sq;
5764 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5765 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5767 /*------------------------------------------------------------------*/
5769 * Wireless Handler : get protocol name
5771 static int airo_get_name(struct net_device *dev,
5772 struct iw_request_info *info,
5776 strcpy(cwrq, "IEEE 802.11-DS");
5780 /*------------------------------------------------------------------*/
5782 * Wireless Handler : set frequency
5784 static int airo_set_freq(struct net_device *dev,
5785 struct iw_request_info *info,
5786 struct iw_freq *fwrq,
5789 struct airo_info *local = dev->ml_priv;
5790 int rc = -EINPROGRESS; /* Call commit handler */
5792 /* If setting by frequency, convert to a channel */
5794 int f = fwrq->m / 100000;
5796 /* Hack to fall through... */
5798 fwrq->m = ieee80211_frequency_to_channel(f);
5800 /* Setting by channel number */
5801 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5804 int channel = fwrq->m;
5805 /* We should do a better check than that,
5806 * based on the card capability !!! */
5807 if((channel < 1) || (channel > 14)) {
5808 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5812 readConfigRid(local, 1);
5813 /* Yes ! We can set it !!! */
5814 local->config.channelSet = cpu_to_le16(channel);
5815 set_bit (FLAG_COMMIT, &local->flags);
5821 /*------------------------------------------------------------------*/
5823 * Wireless Handler : get frequency
5825 static int airo_get_freq(struct net_device *dev,
5826 struct iw_request_info *info,
5827 struct iw_freq *fwrq,
5830 struct airo_info *local = dev->ml_priv;
5831 StatusRid status_rid; /* Card status info */
5834 readConfigRid(local, 1);
5835 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5836 status_rid.channel = local->config.channelSet;
5838 readStatusRid(local, &status_rid, 1);
5840 ch = le16_to_cpu(status_rid.channel);
5841 if((ch > 0) && (ch < 15)) {
5843 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5853 /*------------------------------------------------------------------*/
5855 * Wireless Handler : set ESSID
5857 static int airo_set_essid(struct net_device *dev,
5858 struct iw_request_info *info,
5859 struct iw_point *dwrq,
5862 struct airo_info *local = dev->ml_priv;
5863 SsidRid SSID_rid; /* SSIDs */
5865 /* Reload the list of current SSID */
5866 readSsidRid(local, &SSID_rid);
5868 /* Check if we asked for `any' */
5869 if (dwrq->flags == 0) {
5870 /* Just send an empty SSID list */
5871 memset(&SSID_rid, 0, sizeof(SSID_rid));
5873 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5875 /* Check the size of the string */
5876 if (dwrq->length > IW_ESSID_MAX_SIZE)
5879 /* Check if index is valid */
5880 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5884 memset(SSID_rid.ssids[index].ssid, 0,
5885 sizeof(SSID_rid.ssids[index].ssid));
5886 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5887 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5889 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5890 /* Write it to the card */
5891 disable_MAC(local, 1);
5892 writeSsidRid(local, &SSID_rid, 1);
5893 enable_MAC(local, 1);
5898 /*------------------------------------------------------------------*/
5900 * Wireless Handler : get ESSID
5902 static int airo_get_essid(struct net_device *dev,
5903 struct iw_request_info *info,
5904 struct iw_point *dwrq,
5907 struct airo_info *local = dev->ml_priv;
5908 StatusRid status_rid; /* Card status info */
5910 readStatusRid(local, &status_rid, 1);
5912 /* Note : if dwrq->flags != 0, we should
5913 * get the relevant SSID from the SSID list... */
5915 /* Get the current SSID */
5916 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5917 /* If none, we may want to get the one that was set */
5920 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5921 dwrq->flags = 1; /* active */
5926 /*------------------------------------------------------------------*/
5928 * Wireless Handler : set AP address
5930 static int airo_set_wap(struct net_device *dev,
5931 struct iw_request_info *info,
5932 struct sockaddr *awrq,
5935 struct airo_info *local = dev->ml_priv;
5938 APListRid *APList_rid = &local->APList;
5940 if (awrq->sa_family != ARPHRD_ETHER)
5942 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5943 is_zero_ether_addr(awrq->sa_data)) {
5944 memset(&cmd, 0, sizeof(cmd));
5945 cmd.cmd=CMD_LOSE_SYNC;
5946 if (down_interruptible(&local->sem))
5947 return -ERESTARTSYS;
5948 issuecommand(local, &cmd, &rsp);
5951 memset(APList_rid, 0, sizeof(*APList_rid));
5952 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5953 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5954 disable_MAC(local, 1);
5955 writeAPListRid(local, APList_rid, 1);
5956 enable_MAC(local, 1);
5961 /*------------------------------------------------------------------*/
5963 * Wireless Handler : get AP address
5965 static int airo_get_wap(struct net_device *dev,
5966 struct iw_request_info *info,
5967 struct sockaddr *awrq,
5970 struct airo_info *local = dev->ml_priv;
5971 StatusRid status_rid; /* Card status info */
5973 readStatusRid(local, &status_rid, 1);
5975 /* Tentative. This seems to work, wow, I'm lucky !!! */
5976 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5977 awrq->sa_family = ARPHRD_ETHER;
5982 /*------------------------------------------------------------------*/
5984 * Wireless Handler : set Nickname
5986 static int airo_set_nick(struct net_device *dev,
5987 struct iw_request_info *info,
5988 struct iw_point *dwrq,
5991 struct airo_info *local = dev->ml_priv;
5993 /* Check the size of the string */
5994 if(dwrq->length > 16) {
5997 readConfigRid(local, 1);
5998 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5999 memcpy(local->config.nodeName, extra, dwrq->length);
6000 set_bit (FLAG_COMMIT, &local->flags);
6002 return -EINPROGRESS; /* Call commit handler */
6005 /*------------------------------------------------------------------*/
6007 * Wireless Handler : get Nickname
6009 static int airo_get_nick(struct net_device *dev,
6010 struct iw_request_info *info,
6011 struct iw_point *dwrq,
6014 struct airo_info *local = dev->ml_priv;
6016 readConfigRid(local, 1);
6017 strncpy(extra, local->config.nodeName, 16);
6019 dwrq->length = strlen(extra);
6024 /*------------------------------------------------------------------*/
6026 * Wireless Handler : set Bit-Rate
6028 static int airo_set_rate(struct net_device *dev,
6029 struct iw_request_info *info,
6030 struct iw_param *vwrq,
6033 struct airo_info *local = dev->ml_priv;
6034 CapabilityRid cap_rid; /* Card capability info */
6038 /* First : get a valid bit rate value */
6039 readCapabilityRid(local, &cap_rid, 1);
6041 /* Which type of value ? */
6042 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6043 /* Setting by rate index */
6044 /* Find value in the magic rate table */
6045 brate = cap_rid.supportedRates[vwrq->value];
6047 /* Setting by frequency value */
6048 u8 normvalue = (u8) (vwrq->value/500000);
6050 /* Check if rate is valid */
6051 for(i = 0 ; i < 8 ; i++) {
6052 if(normvalue == cap_rid.supportedRates[i]) {
6058 /* -1 designed the max rate (mostly auto mode) */
6059 if(vwrq->value == -1) {
6060 /* Get the highest available rate */
6061 for(i = 0 ; i < 8 ; i++) {
6062 if(cap_rid.supportedRates[i] == 0)
6066 brate = cap_rid.supportedRates[i - 1];
6068 /* Check that it is valid */
6073 readConfigRid(local, 1);
6074 /* Now, check if we want a fixed or auto value */
6075 if(vwrq->fixed == 0) {
6076 /* Fill all the rates up to this max rate */
6077 memset(local->config.rates, 0, 8);
6078 for(i = 0 ; i < 8 ; i++) {
6079 local->config.rates[i] = cap_rid.supportedRates[i];
6080 if(local->config.rates[i] == brate)
6085 /* One rate, fixed */
6086 memset(local->config.rates, 0, 8);
6087 local->config.rates[0] = brate;
6089 set_bit (FLAG_COMMIT, &local->flags);
6091 return -EINPROGRESS; /* Call commit handler */
6094 /*------------------------------------------------------------------*/
6096 * Wireless Handler : get Bit-Rate
6098 static int airo_get_rate(struct net_device *dev,
6099 struct iw_request_info *info,
6100 struct iw_param *vwrq,
6103 struct airo_info *local = dev->ml_priv;
6104 StatusRid status_rid; /* Card status info */
6106 readStatusRid(local, &status_rid, 1);
6108 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6109 /* If more than one rate, set auto */
6110 readConfigRid(local, 1);
6111 vwrq->fixed = (local->config.rates[1] == 0);
6116 /*------------------------------------------------------------------*/
6118 * Wireless Handler : set RTS threshold
6120 static int airo_set_rts(struct net_device *dev,
6121 struct iw_request_info *info,
6122 struct iw_param *vwrq,
6125 struct airo_info *local = dev->ml_priv;
6126 int rthr = vwrq->value;
6129 rthr = AIRO_DEF_MTU;
6130 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6133 readConfigRid(local, 1);
6134 local->config.rtsThres = cpu_to_le16(rthr);
6135 set_bit (FLAG_COMMIT, &local->flags);
6137 return -EINPROGRESS; /* Call commit handler */
6140 /*------------------------------------------------------------------*/
6142 * Wireless Handler : get RTS threshold
6144 static int airo_get_rts(struct net_device *dev,
6145 struct iw_request_info *info,
6146 struct iw_param *vwrq,
6149 struct airo_info *local = dev->ml_priv;
6151 readConfigRid(local, 1);
6152 vwrq->value = le16_to_cpu(local->config.rtsThres);
6153 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6159 /*------------------------------------------------------------------*/
6161 * Wireless Handler : set Fragmentation threshold
6163 static int airo_set_frag(struct net_device *dev,
6164 struct iw_request_info *info,
6165 struct iw_param *vwrq,
6168 struct airo_info *local = dev->ml_priv;
6169 int fthr = vwrq->value;
6172 fthr = AIRO_DEF_MTU;
6173 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6176 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6177 readConfigRid(local, 1);
6178 local->config.fragThresh = cpu_to_le16(fthr);
6179 set_bit (FLAG_COMMIT, &local->flags);
6181 return -EINPROGRESS; /* Call commit handler */
6184 /*------------------------------------------------------------------*/
6186 * Wireless Handler : get Fragmentation threshold
6188 static int airo_get_frag(struct net_device *dev,
6189 struct iw_request_info *info,
6190 struct iw_param *vwrq,
6193 struct airo_info *local = dev->ml_priv;
6195 readConfigRid(local, 1);
6196 vwrq->value = le16_to_cpu(local->config.fragThresh);
6197 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6203 /*------------------------------------------------------------------*/
6205 * Wireless Handler : set Mode of Operation
6207 static int airo_set_mode(struct net_device *dev,
6208 struct iw_request_info *info,
6212 struct airo_info *local = dev->ml_priv;
6215 readConfigRid(local, 1);
6216 if (sniffing_mode(local))
6221 local->config.opmode &= ~MODE_CFG_MASK;
6222 local->config.opmode |= MODE_STA_IBSS;
6223 local->config.rmode &= ~RXMODE_FULL_MASK;
6224 local->config.scanMode = SCANMODE_ACTIVE;
6225 clear_bit (FLAG_802_11, &local->flags);
6228 local->config.opmode &= ~MODE_CFG_MASK;
6229 local->config.opmode |= MODE_STA_ESS;
6230 local->config.rmode &= ~RXMODE_FULL_MASK;
6231 local->config.scanMode = SCANMODE_ACTIVE;
6232 clear_bit (FLAG_802_11, &local->flags);
6234 case IW_MODE_MASTER:
6235 local->config.opmode &= ~MODE_CFG_MASK;
6236 local->config.opmode |= MODE_AP;
6237 local->config.rmode &= ~RXMODE_FULL_MASK;
6238 local->config.scanMode = SCANMODE_ACTIVE;
6239 clear_bit (FLAG_802_11, &local->flags);
6241 case IW_MODE_REPEAT:
6242 local->config.opmode &= ~MODE_CFG_MASK;
6243 local->config.opmode |= MODE_AP_RPTR;
6244 local->config.rmode &= ~RXMODE_FULL_MASK;
6245 local->config.scanMode = SCANMODE_ACTIVE;
6246 clear_bit (FLAG_802_11, &local->flags);
6248 case IW_MODE_MONITOR:
6249 local->config.opmode &= ~MODE_CFG_MASK;
6250 local->config.opmode |= MODE_STA_ESS;
6251 local->config.rmode &= ~RXMODE_FULL_MASK;
6252 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6253 local->config.scanMode = SCANMODE_PASSIVE;
6254 set_bit (FLAG_802_11, &local->flags);
6260 set_bit (FLAG_RESET, &local->flags);
6261 set_bit (FLAG_COMMIT, &local->flags);
6263 return -EINPROGRESS; /* Call commit handler */
6266 /*------------------------------------------------------------------*/
6268 * Wireless Handler : get Mode of Operation
6270 static int airo_get_mode(struct net_device *dev,
6271 struct iw_request_info *info,
6275 struct airo_info *local = dev->ml_priv;
6277 readConfigRid(local, 1);
6278 /* If not managed, assume it's ad-hoc */
6279 switch (local->config.opmode & MODE_CFG_MASK) {
6281 *uwrq = IW_MODE_INFRA;
6284 *uwrq = IW_MODE_MASTER;
6287 *uwrq = IW_MODE_REPEAT;
6290 *uwrq = IW_MODE_ADHOC;
6296 static inline int valid_index(struct airo_info *ai, int index)
6298 return (index >= 0) && (index <= ai->max_wep_idx);
6301 /*------------------------------------------------------------------*/
6303 * Wireless Handler : set Encryption Key
6305 static int airo_set_encode(struct net_device *dev,
6306 struct iw_request_info *info,
6307 struct iw_point *dwrq,
6310 struct airo_info *local = dev->ml_priv;
6311 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6312 __le16 currentAuthType = local->config.authType;
6315 if (!local->wep_capable)
6318 readConfigRid(local, 1);
6320 /* Basic checking: do we have a key to set ?
6321 * Note : with the new API, it's impossible to get a NULL pointer.
6322 * Therefore, we need to check a key size == 0 instead.
6323 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6324 * when no key is present (only change flags), but older versions
6325 * don't do it. - Jean II */
6326 if (dwrq->length > 0) {
6328 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6331 /* Check the size of the key */
6332 if (dwrq->length > MAX_KEY_SIZE) {
6336 current_index = get_wep_tx_idx(local);
6337 if (current_index < 0)
6340 /* Check the index (none -> use current) */
6341 if (!valid_index(local, index))
6342 index = current_index;
6344 /* Set the length */
6345 if (dwrq->length > MIN_KEY_SIZE)
6346 key.len = MAX_KEY_SIZE;
6348 key.len = MIN_KEY_SIZE;
6349 /* Check if the key is not marked as invalid */
6350 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6352 memset(key.key, 0, MAX_KEY_SIZE);
6353 /* Copy the key in the driver */
6354 memcpy(key.key, extra, dwrq->length);
6355 /* Send the key to the card */
6356 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6358 airo_print_err(local->dev->name, "failed to set"
6359 " WEP key at index %d: %d.",
6364 /* WE specify that if a valid key is set, encryption
6365 * should be enabled (user may turn it off later)
6366 * This is also how "iwconfig ethX key on" works */
6367 if((index == current_index) && (key.len > 0) &&
6368 (local->config.authType == AUTH_OPEN))
6369 set_auth_type(local, AUTH_ENCRYPT);
6371 /* Do we want to just set the transmit key index ? */
6372 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6373 if (valid_index(local, index)) {
6374 rc = set_wep_tx_idx(local, index, perm, 1);
6376 airo_print_err(local->dev->name, "failed to set"
6377 " WEP transmit index to %d: %d.",
6382 /* Don't complain if only change the mode */
6383 if (!(dwrq->flags & IW_ENCODE_MODE))
6387 /* Read the flags */
6388 if (dwrq->flags & IW_ENCODE_DISABLED)
6389 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6390 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6391 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6392 if (dwrq->flags & IW_ENCODE_OPEN)
6393 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6394 /* Commit the changes to flags if needed */
6395 if (local->config.authType != currentAuthType)
6396 set_bit (FLAG_COMMIT, &local->flags);
6397 return -EINPROGRESS; /* Call commit handler */
6400 /*------------------------------------------------------------------*/
6402 * Wireless Handler : get Encryption Key
6404 static int airo_get_encode(struct net_device *dev,
6405 struct iw_request_info *info,
6406 struct iw_point *dwrq,
6409 struct airo_info *local = dev->ml_priv;
6410 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6414 if (!local->wep_capable)
6417 readConfigRid(local, 1);
6419 /* Check encryption mode */
6420 switch(local->config.authType) {
6422 dwrq->flags = IW_ENCODE_OPEN;
6424 case AUTH_SHAREDKEY:
6425 dwrq->flags = IW_ENCODE_RESTRICTED;
6429 dwrq->flags = IW_ENCODE_DISABLED;
6432 /* We can't return the key, so set the proper flag and return zero */
6433 dwrq->flags |= IW_ENCODE_NOKEY;
6434 memset(extra, 0, 16);
6436 /* Which key do we want ? -1 -> tx index */
6437 if (!valid_index(local, index)) {
6438 index = get_wep_tx_idx(local);
6442 dwrq->flags |= index + 1;
6444 /* Copy the key to the user buffer */
6445 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6446 if (wep_key_len < 0) {
6449 dwrq->length = wep_key_len;
6450 memcpy(extra, buf, dwrq->length);
6456 /*------------------------------------------------------------------*/
6458 * Wireless Handler : set extended Encryption parameters
6460 static int airo_set_encodeext(struct net_device *dev,
6461 struct iw_request_info *info,
6462 union iwreq_data *wrqu,
6465 struct airo_info *local = dev->ml_priv;
6466 struct iw_point *encoding = &wrqu->encoding;
6467 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6468 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6469 __le16 currentAuthType = local->config.authType;
6470 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6473 if (!local->wep_capable)
6476 readConfigRid(local, 1);
6478 /* Determine and validate the key index */
6479 idx = encoding->flags & IW_ENCODE_INDEX;
6481 if (!valid_index(local, idx - 1))
6485 idx = get_wep_tx_idx(local);
6490 if (encoding->flags & IW_ENCODE_DISABLED)
6491 alg = IW_ENCODE_ALG_NONE;
6493 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6494 /* Only set transmit key index here, actual
6495 * key is set below if needed.
6497 rc = set_wep_tx_idx(local, idx, perm, 1);
6499 airo_print_err(local->dev->name, "failed to set "
6500 "WEP transmit index to %d: %d.",
6504 set_key = ext->key_len > 0 ? 1 : 0;
6508 /* Set the requested key first */
6509 memset(key.key, 0, MAX_KEY_SIZE);
6511 case IW_ENCODE_ALG_NONE:
6514 case IW_ENCODE_ALG_WEP:
6515 if (ext->key_len > MIN_KEY_SIZE) {
6516 key.len = MAX_KEY_SIZE;
6517 } else if (ext->key_len > 0) {
6518 key.len = MIN_KEY_SIZE;
6522 key_len = min (ext->key_len, key.len);
6523 memcpy(key.key, ext->key, key_len);
6529 rc = set_wep_tx_idx(local, idx, perm, 1);
6531 airo_print_err(local->dev->name,
6532 "failed to set WEP transmit index to %d: %d.",
6537 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6539 airo_print_err(local->dev->name,
6540 "failed to set WEP key at index %d: %d.",
6547 /* Read the flags */
6548 if (encoding->flags & IW_ENCODE_DISABLED)
6549 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6550 if(encoding->flags & IW_ENCODE_RESTRICTED)
6551 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6552 if (encoding->flags & IW_ENCODE_OPEN)
6553 set_auth_type(local, AUTH_ENCRYPT);
6554 /* Commit the changes to flags if needed */
6555 if (local->config.authType != currentAuthType)
6556 set_bit (FLAG_COMMIT, &local->flags);
6558 return -EINPROGRESS;
6562 /*------------------------------------------------------------------*/
6564 * Wireless Handler : get extended Encryption parameters
6566 static int airo_get_encodeext(struct net_device *dev,
6567 struct iw_request_info *info,
6568 union iwreq_data *wrqu,
6571 struct airo_info *local = dev->ml_priv;
6572 struct iw_point *encoding = &wrqu->encoding;
6573 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6574 int idx, max_key_len, wep_key_len;
6577 if (!local->wep_capable)
6580 readConfigRid(local, 1);
6582 max_key_len = encoding->length - sizeof(*ext);
6583 if (max_key_len < 0)
6586 idx = encoding->flags & IW_ENCODE_INDEX;
6588 if (!valid_index(local, idx - 1))
6592 idx = get_wep_tx_idx(local);
6597 encoding->flags = idx + 1;
6598 memset(ext, 0, sizeof(*ext));
6600 /* Check encryption mode */
6601 switch(local->config.authType) {
6603 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6605 case AUTH_SHAREDKEY:
6606 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6610 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6613 /* We can't return the key, so set the proper flag and return zero */
6614 encoding->flags |= IW_ENCODE_NOKEY;
6615 memset(extra, 0, 16);
6617 /* Copy the key to the user buffer */
6618 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6619 if (wep_key_len < 0) {
6622 ext->key_len = wep_key_len;
6623 memcpy(extra, buf, ext->key_len);
6630 /*------------------------------------------------------------------*/
6632 * Wireless Handler : set extended authentication parameters
6634 static int airo_set_auth(struct net_device *dev,
6635 struct iw_request_info *info,
6636 union iwreq_data *wrqu, char *extra)
6638 struct airo_info *local = dev->ml_priv;
6639 struct iw_param *param = &wrqu->param;
6640 __le16 currentAuthType = local->config.authType;
6642 switch (param->flags & IW_AUTH_INDEX) {
6643 case IW_AUTH_WPA_VERSION:
6644 case IW_AUTH_CIPHER_PAIRWISE:
6645 case IW_AUTH_CIPHER_GROUP:
6646 case IW_AUTH_KEY_MGMT:
6647 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6648 case IW_AUTH_PRIVACY_INVOKED:
6650 * airo does not use these parameters
6654 case IW_AUTH_DROP_UNENCRYPTED:
6656 /* Only change auth type if unencrypted */
6657 if (currentAuthType == AUTH_OPEN)
6658 set_auth_type(local, AUTH_ENCRYPT);
6660 set_auth_type(local, AUTH_OPEN);
6663 /* Commit the changes to flags if needed */
6664 if (local->config.authType != currentAuthType)
6665 set_bit (FLAG_COMMIT, &local->flags);
6668 case IW_AUTH_80211_AUTH_ALG: {
6669 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6670 set_auth_type(local, AUTH_SHAREDKEY);
6671 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6672 /* We don't know here if WEP open system or
6673 * unencrypted mode was requested - so use the
6674 * last mode (of these two) used last time
6676 set_auth_type(local, local->last_auth);
6680 /* Commit the changes to flags if needed */
6681 if (local->config.authType != currentAuthType)
6682 set_bit (FLAG_COMMIT, &local->flags);
6686 case IW_AUTH_WPA_ENABLED:
6687 /* Silently accept disable of WPA */
6688 if (param->value > 0)
6695 return -EINPROGRESS;
6699 /*------------------------------------------------------------------*/
6701 * Wireless Handler : get extended authentication parameters
6703 static int airo_get_auth(struct net_device *dev,
6704 struct iw_request_info *info,
6705 union iwreq_data *wrqu, char *extra)
6707 struct airo_info *local = dev->ml_priv;
6708 struct iw_param *param = &wrqu->param;
6709 __le16 currentAuthType = local->config.authType;
6711 switch (param->flags & IW_AUTH_INDEX) {
6712 case IW_AUTH_DROP_UNENCRYPTED:
6713 switch (currentAuthType) {
6714 case AUTH_SHAREDKEY:
6724 case IW_AUTH_80211_AUTH_ALG:
6725 switch (currentAuthType) {
6726 case AUTH_SHAREDKEY:
6727 param->value = IW_AUTH_ALG_SHARED_KEY;
6731 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6736 case IW_AUTH_WPA_ENABLED:
6747 /*------------------------------------------------------------------*/
6749 * Wireless Handler : set Tx-Power
6751 static int airo_set_txpow(struct net_device *dev,
6752 struct iw_request_info *info,
6753 struct iw_param *vwrq,
6756 struct airo_info *local = dev->ml_priv;
6757 CapabilityRid cap_rid; /* Card capability info */
6760 __le16 v = cpu_to_le16(vwrq->value);
6762 readCapabilityRid(local, &cap_rid, 1);
6764 if (vwrq->disabled) {
6765 set_bit (FLAG_RADIO_OFF, &local->flags);
6766 set_bit (FLAG_COMMIT, &local->flags);
6767 return -EINPROGRESS; /* Call commit handler */
6769 if (vwrq->flags != IW_TXPOW_MWATT) {
6772 clear_bit (FLAG_RADIO_OFF, &local->flags);
6773 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6774 if (v == cap_rid.txPowerLevels[i]) {
6775 readConfigRid(local, 1);
6776 local->config.txPower = v;
6777 set_bit (FLAG_COMMIT, &local->flags);
6778 rc = -EINPROGRESS; /* Call commit handler */
6784 /*------------------------------------------------------------------*/
6786 * Wireless Handler : get Tx-Power
6788 static int airo_get_txpow(struct net_device *dev,
6789 struct iw_request_info *info,
6790 struct iw_param *vwrq,
6793 struct airo_info *local = dev->ml_priv;
6795 readConfigRid(local, 1);
6796 vwrq->value = le16_to_cpu(local->config.txPower);
6797 vwrq->fixed = 1; /* No power control */
6798 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6799 vwrq->flags = IW_TXPOW_MWATT;
6804 /*------------------------------------------------------------------*/
6806 * Wireless Handler : set Retry limits
6808 static int airo_set_retry(struct net_device *dev,
6809 struct iw_request_info *info,
6810 struct iw_param *vwrq,
6813 struct airo_info *local = dev->ml_priv;
6816 if(vwrq->disabled) {
6819 readConfigRid(local, 1);
6820 if(vwrq->flags & IW_RETRY_LIMIT) {
6821 __le16 v = cpu_to_le16(vwrq->value);
6822 if(vwrq->flags & IW_RETRY_LONG)
6823 local->config.longRetryLimit = v;
6824 else if (vwrq->flags & IW_RETRY_SHORT)
6825 local->config.shortRetryLimit = v;
6827 /* No modifier : set both */
6828 local->config.longRetryLimit = v;
6829 local->config.shortRetryLimit = v;
6831 set_bit (FLAG_COMMIT, &local->flags);
6832 rc = -EINPROGRESS; /* Call commit handler */
6834 if(vwrq->flags & IW_RETRY_LIFETIME) {
6835 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6836 set_bit (FLAG_COMMIT, &local->flags);
6837 rc = -EINPROGRESS; /* Call commit handler */
6842 /*------------------------------------------------------------------*/
6844 * Wireless Handler : get Retry limits
6846 static int airo_get_retry(struct net_device *dev,
6847 struct iw_request_info *info,
6848 struct iw_param *vwrq,
6851 struct airo_info *local = dev->ml_priv;
6853 vwrq->disabled = 0; /* Can't be disabled */
6855 readConfigRid(local, 1);
6856 /* Note : by default, display the min retry number */
6857 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6858 vwrq->flags = IW_RETRY_LIFETIME;
6859 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6860 } else if((vwrq->flags & IW_RETRY_LONG)) {
6861 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6862 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6864 vwrq->flags = IW_RETRY_LIMIT;
6865 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6866 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6867 vwrq->flags |= IW_RETRY_SHORT;
6873 /*------------------------------------------------------------------*/
6875 * Wireless Handler : get range info
6877 static int airo_get_range(struct net_device *dev,
6878 struct iw_request_info *info,
6879 struct iw_point *dwrq,
6882 struct airo_info *local = dev->ml_priv;
6883 struct iw_range *range = (struct iw_range *) extra;
6884 CapabilityRid cap_rid; /* Card capability info */
6888 readCapabilityRid(local, &cap_rid, 1);
6890 dwrq->length = sizeof(struct iw_range);
6891 memset(range, 0, sizeof(*range));
6892 range->min_nwid = 0x0000;
6893 range->max_nwid = 0x0000;
6894 range->num_channels = 14;
6895 /* Should be based on cap_rid.country to give only
6896 * what the current card support */
6898 for(i = 0; i < 14; i++) {
6899 range->freq[k].i = i + 1; /* List index */
6900 range->freq[k].m = 100000 *
6901 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6902 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6904 range->num_frequency = k;
6906 range->sensitivity = 65535;
6908 /* Hum... Should put the right values there */
6910 range->max_qual.qual = 100; /* % */
6912 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6913 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6914 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6916 /* Experimental measurements - boundary 11/5.5 Mb/s */
6917 /* Note : with or without the (local->rssi), results
6918 * are somewhat different. - Jean II */
6920 range->avg_qual.qual = 50; /* % */
6921 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6923 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6924 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6926 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6930 if(range->bitrate[i] == 0)
6933 range->num_bitrates = i;
6935 /* Set an indication of the max TCP throughput
6936 * in bit/s that we can expect using this interface.
6937 * May be use for QoS stuff... Jean II */
6939 range->throughput = 5000 * 1000;
6941 range->throughput = 1500 * 1000;
6944 range->max_rts = AIRO_DEF_MTU;
6945 range->min_frag = 256;
6946 range->max_frag = AIRO_DEF_MTU;
6948 if(cap_rid.softCap & cpu_to_le16(2)) {
6950 range->encoding_size[0] = 5;
6952 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6953 range->encoding_size[1] = 13;
6954 range->num_encoding_sizes = 2;
6956 range->num_encoding_sizes = 1;
6957 range->max_encoding_tokens =
6958 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6960 range->num_encoding_sizes = 0;
6961 range->max_encoding_tokens = 0;
6964 range->max_pmp = 5000000; /* 5 secs */
6966 range->max_pmt = 65535 * 1024; /* ??? */
6967 range->pmp_flags = IW_POWER_PERIOD;
6968 range->pmt_flags = IW_POWER_TIMEOUT;
6969 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6971 /* Transmit Power - values are in mW */
6972 for(i = 0 ; i < 8 ; i++) {
6973 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6974 if(range->txpower[i] == 0)
6977 range->num_txpower = i;
6978 range->txpower_capa = IW_TXPOW_MWATT;
6979 range->we_version_source = 19;
6980 range->we_version_compiled = WIRELESS_EXT;
6981 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6982 range->retry_flags = IW_RETRY_LIMIT;
6983 range->r_time_flags = IW_RETRY_LIFETIME;
6984 range->min_retry = 1;
6985 range->max_retry = 65535;
6986 range->min_r_time = 1024;
6987 range->max_r_time = 65535 * 1024;
6989 /* Event capability (kernel + driver) */
6990 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6991 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6993 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6994 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6995 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6999 /*------------------------------------------------------------------*/
7001 * Wireless Handler : set Power Management
7003 static int airo_set_power(struct net_device *dev,
7004 struct iw_request_info *info,
7005 struct iw_param *vwrq,
7008 struct airo_info *local = dev->ml_priv;
7010 readConfigRid(local, 1);
7011 if (vwrq->disabled) {
7012 if (sniffing_mode(local))
7014 local->config.powerSaveMode = POWERSAVE_CAM;
7015 local->config.rmode &= ~RXMODE_MASK;
7016 local->config.rmode |= RXMODE_BC_MC_ADDR;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 return -EINPROGRESS; /* Call commit handler */
7020 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7021 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7025 local->config.fastListenInterval =
7026 local->config.listenInterval =
7027 cpu_to_le16((vwrq->value + 500) / 1024);
7028 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7029 set_bit (FLAG_COMMIT, &local->flags);
7031 switch (vwrq->flags & IW_POWER_MODE) {
7032 case IW_POWER_UNICAST_R:
7033 if (sniffing_mode(local))
7035 local->config.rmode &= ~RXMODE_MASK;
7036 local->config.rmode |= RXMODE_ADDR;
7037 set_bit (FLAG_COMMIT, &local->flags);
7039 case IW_POWER_ALL_R:
7040 if (sniffing_mode(local))
7042 local->config.rmode &= ~RXMODE_MASK;
7043 local->config.rmode |= RXMODE_BC_MC_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7046 /* This is broken, fixme ;-) */
7051 // Note : we may want to factor local->need_commit here
7052 // Note2 : may also want to factor RXMODE_RFMON test
7053 return -EINPROGRESS; /* Call commit handler */
7056 /*------------------------------------------------------------------*/
7058 * Wireless Handler : get Power Management
7060 static int airo_get_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7065 struct airo_info *local = dev->ml_priv;
7068 readConfigRid(local, 1);
7069 mode = local->config.powerSaveMode;
7070 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7072 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7073 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7074 vwrq->flags = IW_POWER_TIMEOUT;
7076 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7077 vwrq->flags = IW_POWER_PERIOD;
7079 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7080 vwrq->flags |= IW_POWER_UNICAST_R;
7082 vwrq->flags |= IW_POWER_ALL_R;
7087 /*------------------------------------------------------------------*/
7089 * Wireless Handler : set Sensitivity
7091 static int airo_set_sens(struct net_device *dev,
7092 struct iw_request_info *info,
7093 struct iw_param *vwrq,
7096 struct airo_info *local = dev->ml_priv;
7098 readConfigRid(local, 1);
7099 local->config.rssiThreshold =
7100 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7101 set_bit (FLAG_COMMIT, &local->flags);
7103 return -EINPROGRESS; /* Call commit handler */
7106 /*------------------------------------------------------------------*/
7108 * Wireless Handler : get Sensitivity
7110 static int airo_get_sens(struct net_device *dev,
7111 struct iw_request_info *info,
7112 struct iw_param *vwrq,
7115 struct airo_info *local = dev->ml_priv;
7117 readConfigRid(local, 1);
7118 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7119 vwrq->disabled = (vwrq->value == 0);
7125 /*------------------------------------------------------------------*/
7127 * Wireless Handler : get AP List
7128 * Note : this is deprecated in favor of IWSCAN
7130 static int airo_get_aplist(struct net_device *dev,
7131 struct iw_request_info *info,
7132 struct iw_point *dwrq,
7135 struct airo_info *local = dev->ml_priv;
7136 struct sockaddr *address = (struct sockaddr *) extra;
7137 struct iw_quality *qual;
7140 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7142 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7146 for (i = 0; i < IW_MAX_AP; i++) {
7148 if (readBSSListRid(local, loseSync, &BSSList))
7151 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7152 address[i].sa_family = ARPHRD_ETHER;
7153 dBm = le16_to_cpu(BSSList.dBm);
7155 qual[i].level = 0x100 - dBm;
7156 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7157 qual[i].updated = IW_QUAL_QUAL_UPDATED
7158 | IW_QUAL_LEVEL_UPDATED
7161 qual[i].level = (dBm + 321) / 2;
7163 qual[i].updated = IW_QUAL_QUAL_INVALID
7164 | IW_QUAL_LEVEL_UPDATED
7167 qual[i].noise = local->wstats.qual.noise;
7168 if (BSSList.index == cpu_to_le16(0xffff))
7172 StatusRid status_rid; /* Card status info */
7173 readStatusRid(local, &status_rid, 1);
7175 i < min(IW_MAX_AP, 4) &&
7176 (status_rid.bssid[i][0]
7177 & status_rid.bssid[i][1]
7178 & status_rid.bssid[i][2]
7179 & status_rid.bssid[i][3]
7180 & status_rid.bssid[i][4]
7181 & status_rid.bssid[i][5])!=0xff &&
7182 (status_rid.bssid[i][0]
7183 | status_rid.bssid[i][1]
7184 | status_rid.bssid[i][2]
7185 | status_rid.bssid[i][3]
7186 | status_rid.bssid[i][4]
7187 | status_rid.bssid[i][5]);
7189 memcpy(address[i].sa_data,
7190 status_rid.bssid[i], ETH_ALEN);
7191 address[i].sa_family = ARPHRD_ETHER;
7194 dwrq->flags = 1; /* Should be define'd */
7195 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7196 sizeof(struct iw_quality) * i);
7204 /*------------------------------------------------------------------*/
7206 * Wireless Handler : Initiate Scan
7208 static int airo_set_scan(struct net_device *dev,
7209 struct iw_request_info *info,
7210 struct iw_point *dwrq,
7213 struct airo_info *ai = dev->ml_priv;
7217 APListRid APList_rid_empty;
7219 /* Note : you may have realised that, as this is a SET operation,
7220 * this is privileged and therefore a normal user can't
7222 * This is not an error, while the device perform scanning,
7223 * traffic doesn't flow, so it's a perfect DoS...
7225 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7227 if (down_interruptible(&ai->sem))
7228 return -ERESTARTSYS;
7230 /* If there's already a scan in progress, don't
7231 * trigger another one. */
7232 if (ai->scan_timeout > 0)
7235 /* Clear APList as it affects scan results */
7236 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7237 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7239 writeAPListRid(ai, &APList_rid_empty, 0);
7242 /* Initiate a scan command */
7243 ai->scan_timeout = RUN_AT(3*HZ);
7244 memset(&cmd, 0, sizeof(cmd));
7245 cmd.cmd=CMD_LISTBSS;
7246 issuecommand(ai, &cmd, &rsp);
7252 wake_up_interruptible(&ai->thr_wait);
7256 /*------------------------------------------------------------------*/
7258 * Translate scan data returned from the card to a card independent
7259 * format that the Wireless Tools will understand - Jean II
7261 static inline char *airo_translate_scan(struct net_device *dev,
7262 struct iw_request_info *info,
7267 struct airo_info *ai = dev->ml_priv;
7268 struct iw_event iwe; /* Temporary buffer */
7269 __le16 capabilities;
7270 char * current_val; /* For rates */
7275 /* First entry *MUST* be the AP MAC address */
7276 iwe.cmd = SIOCGIWAP;
7277 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7278 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7279 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7280 &iwe, IW_EV_ADDR_LEN);
7282 /* Other entries will be displayed in the order we give them */
7285 iwe.u.data.length = bss->ssidLen;
7286 if(iwe.u.data.length > 32)
7287 iwe.u.data.length = 32;
7288 iwe.cmd = SIOCGIWESSID;
7289 iwe.u.data.flags = 1;
7290 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7294 iwe.cmd = SIOCGIWMODE;
7295 capabilities = bss->cap;
7296 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7297 if(capabilities & CAP_ESS)
7298 iwe.u.mode = IW_MODE_MASTER;
7300 iwe.u.mode = IW_MODE_ADHOC;
7301 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7302 &iwe, IW_EV_UINT_LEN);
7306 iwe.cmd = SIOCGIWFREQ;
7307 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7308 iwe.u.freq.m = 100000 *
7309 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7311 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7312 &iwe, IW_EV_FREQ_LEN);
7314 dBm = le16_to_cpu(bss->dBm);
7316 /* Add quality statistics */
7319 iwe.u.qual.level = 0x100 - dBm;
7320 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7321 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7322 | IW_QUAL_LEVEL_UPDATED
7325 iwe.u.qual.level = (dBm + 321) / 2;
7326 iwe.u.qual.qual = 0;
7327 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7328 | IW_QUAL_LEVEL_UPDATED
7331 iwe.u.qual.noise = ai->wstats.qual.noise;
7332 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7333 &iwe, IW_EV_QUAL_LEN);
7335 /* Add encryption capability */
7336 iwe.cmd = SIOCGIWENCODE;
7337 if(capabilities & CAP_PRIVACY)
7338 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7340 iwe.u.data.flags = IW_ENCODE_DISABLED;
7341 iwe.u.data.length = 0;
7342 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7345 /* Rate : stuffing multiple values in a single event require a bit
7346 * more of magic - Jean II */
7347 current_val = current_ev + iwe_stream_lcp_len(info);
7349 iwe.cmd = SIOCGIWRATE;
7350 /* Those two flags are ignored... */
7351 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7353 for(i = 0 ; i < 8 ; i++) {
7354 /* NULL terminated */
7355 if(bss->rates[i] == 0)
7357 /* Bit rate given in 500 kb/s units (+ 0x80) */
7358 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7359 /* Add new value to event */
7360 current_val = iwe_stream_add_value(info, current_ev,
7361 current_val, end_buf,
7362 &iwe, IW_EV_PARAM_LEN);
7364 /* Check if we added any event */
7365 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7366 current_ev = current_val;
7368 /* Beacon interval */
7369 buf = kmalloc(30, GFP_KERNEL);
7371 iwe.cmd = IWEVCUSTOM;
7372 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7373 iwe.u.data.length = strlen(buf);
7374 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7379 /* Put WPA/RSN Information Elements into the event stream */
7380 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7381 unsigned int num_null_ies = 0;
7382 u16 length = sizeof (bss->extra.iep);
7383 u8 *ie = (void *)&bss->extra.iep;
7385 while ((length >= 2) && (num_null_ies < 2)) {
7386 if (2 + ie[1] > length) {
7387 /* Invalid element, don't continue parsing IE */
7393 /* Two zero-length SSID elements
7394 * mean we're done parsing elements */
7399 case WLAN_EID_VENDOR_SPECIFIC:
7405 iwe.cmd = IWEVGENIE;
7406 /* 64 is an arbitrary cut-off */
7407 iwe.u.data.length = min(ie[1] + 2,
7409 current_ev = iwe_stream_add_point(
7416 iwe.cmd = IWEVGENIE;
7417 /* 64 is an arbitrary cut-off */
7418 iwe.u.data.length = min(ie[1] + 2, 64);
7419 current_ev = iwe_stream_add_point(
7420 info, current_ev, end_buf,
7428 length -= 2 + ie[1];
7435 /*------------------------------------------------------------------*/
7437 * Wireless Handler : Read Scan Results
7439 static int airo_get_scan(struct net_device *dev,
7440 struct iw_request_info *info,
7441 struct iw_point *dwrq,
7444 struct airo_info *ai = dev->ml_priv;
7445 BSSListElement *net;
7447 char *current_ev = extra;
7449 /* If a scan is in-progress, return -EAGAIN */
7450 if (ai->scan_timeout > 0)
7453 if (down_interruptible(&ai->sem))
7456 list_for_each_entry (net, &ai->network_list, list) {
7457 /* Translate to WE format this entry */
7458 current_ev = airo_translate_scan(dev, info, current_ev,
7459 extra + dwrq->length,
7462 /* Check if there is space for one more entry */
7463 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7464 /* Ask user space to try again with a bigger buffer */
7470 /* Length of data */
7471 dwrq->length = (current_ev - extra);
7472 dwrq->flags = 0; /* todo */
7479 /*------------------------------------------------------------------*/
7481 * Commit handler : called after a bunch of SET operations
7483 static int airo_config_commit(struct net_device *dev,
7484 struct iw_request_info *info, /* NULL */
7485 void *zwrq, /* NULL */
7486 char *extra) /* NULL */
7488 struct airo_info *local = dev->ml_priv;
7490 if (!test_bit (FLAG_COMMIT, &local->flags))
7493 /* Some of the "SET" function may have modified some of the
7494 * parameters. It's now time to commit them in the card */
7495 disable_MAC(local, 1);
7496 if (test_bit (FLAG_RESET, &local->flags)) {
7499 readSsidRid(local, &SSID_rid);
7500 if (test_bit(FLAG_MPI,&local->flags))
7501 setup_card(local, dev->dev_addr, 1 );
7503 reset_airo_card(dev);
7504 disable_MAC(local, 1);
7505 writeSsidRid(local, &SSID_rid, 1);
7506 writeAPListRid(local, &local->APList, 1);
7508 if (down_interruptible(&local->sem))
7509 return -ERESTARTSYS;
7510 writeConfigRid(local, 0);
7511 enable_MAC(local, 0);
7512 if (test_bit (FLAG_RESET, &local->flags))
7513 airo_set_promisc(local);
7520 /*------------------------------------------------------------------*/
7522 * Structures to export the Wireless Handlers
7525 static const struct iw_priv_args airo_private_args[] = {
7526 /*{ cmd, set_args, get_args, name } */
7527 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7528 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7529 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7530 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7533 static const iw_handler airo_handler[] =
7535 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7536 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7537 (iw_handler) NULL, /* SIOCSIWNWID */
7538 (iw_handler) NULL, /* SIOCGIWNWID */
7539 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7540 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7541 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7542 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7543 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7544 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7545 (iw_handler) NULL, /* SIOCSIWRANGE */
7546 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7547 (iw_handler) NULL, /* SIOCSIWPRIV */
7548 (iw_handler) NULL, /* SIOCGIWPRIV */
7549 (iw_handler) NULL, /* SIOCSIWSTATS */
7550 (iw_handler) NULL, /* SIOCGIWSTATS */
7551 iw_handler_set_spy, /* SIOCSIWSPY */
7552 iw_handler_get_spy, /* SIOCGIWSPY */
7553 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7554 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7555 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7556 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7559 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7560 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7561 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7562 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7563 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7564 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7565 (iw_handler) NULL, /* -- hole -- */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7568 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7569 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7570 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7571 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7572 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7573 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7574 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7575 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7576 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7577 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7578 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7579 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7580 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7581 (iw_handler) NULL, /* -- hole -- */
7582 (iw_handler) NULL, /* -- hole -- */
7583 (iw_handler) NULL, /* SIOCSIWGENIE */
7584 (iw_handler) NULL, /* SIOCGIWGENIE */
7585 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7586 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7587 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7588 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7589 (iw_handler) NULL, /* SIOCSIWPMKSA */
7592 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7593 * We want to force the use of the ioctl code, because those can't be
7594 * won't work the iw_handler code (because they simultaneously read
7595 * and write data and iw_handler can't do that).
7596 * Note that it's perfectly legal to read/write on a single ioctl command,
7597 * you just can't use iwpriv and need to force it via the ioctl handler.
7599 static const iw_handler airo_private_handler[] =
7601 NULL, /* SIOCIWFIRSTPRIV */
7604 static const struct iw_handler_def airo_handler_def =
7606 .num_standard = ARRAY_SIZE(airo_handler),
7607 .num_private = ARRAY_SIZE(airo_private_handler),
7608 .num_private_args = ARRAY_SIZE(airo_private_args),
7609 .standard = airo_handler,
7610 .private = airo_private_handler,
7611 .private_args = airo_private_args,
7612 .get_wireless_stats = airo_get_wireless_stats,
7616 * This defines the configuration part of the Wireless Extensions
7617 * Note : irq and spinlock protection will occur in the subroutines
7620 * o Check input value more carefully and fill correct values in range
7621 * o Test and shakeout the bugs (if any)
7625 * Javier Achirica did a great job of merging code from the unnamed CISCO
7626 * developer that added support for flashing the card.
7628 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7631 struct airo_info *ai = dev->ml_priv;
7633 if (ai->power.event)
7643 int val = AIROMAGIC;
7645 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7647 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7656 /* Get the command struct and hand it off for evaluation by
7657 * the proper subfunction
7661 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7666 /* Separate R/W functions bracket legality here
7668 if ( com.command == AIRORSWVERSION ) {
7669 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7674 else if ( com.command <= AIRORRID)
7675 rc = readrids(dev,&com);
7676 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7677 rc = writerids(dev,&com);
7678 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7679 rc = flashcard(dev,&com);
7681 rc = -EINVAL; /* Bad command in ioctl */
7684 #endif /* CISCO_EXT */
7686 // All other calls are currently unsupported
7694 * Get the Wireless stats out of the driver
7695 * Note : irq and spinlock protection will occur in the subroutines
7698 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7702 static void airo_read_wireless_stats(struct airo_info *local)
7704 StatusRid status_rid;
7706 CapabilityRid cap_rid;
7707 __le32 *vals = stats_rid.vals;
7709 /* Get stats out of the card */
7710 clear_bit(JOB_WSTATS, &local->jobs);
7711 if (local->power.event) {
7715 readCapabilityRid(local, &cap_rid, 0);
7716 readStatusRid(local, &status_rid, 0);
7717 readStatsRid(local, &stats_rid, RID_STATS, 0);
7721 local->wstats.status = le16_to_cpu(status_rid.mode);
7723 /* Signal quality and co */
7725 local->wstats.qual.level =
7726 airo_rssi_to_dbm(local->rssi,
7727 le16_to_cpu(status_rid.sigQuality));
7728 /* normalizedSignalStrength appears to be a percentage */
7729 local->wstats.qual.qual =
7730 le16_to_cpu(status_rid.normalizedSignalStrength);
7732 local->wstats.qual.level =
7733 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7734 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7736 if (le16_to_cpu(status_rid.len) >= 124) {
7737 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7738 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7740 local->wstats.qual.noise = 0;
7741 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7744 /* Packets discarded in the wireless adapter due to wireless
7745 * specific problems */
7746 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7747 le32_to_cpu(vals[57]) +
7748 le32_to_cpu(vals[58]); /* SSID Mismatch */
7749 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7750 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7751 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7752 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7753 le32_to_cpu(vals[32]);
7754 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7757 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7759 struct airo_info *local = dev->ml_priv;
7761 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7762 /* Get stats out of the card if available */
7763 if (down_trylock(&local->sem) != 0) {
7764 set_bit(JOB_WSTATS, &local->jobs);
7765 wake_up_interruptible(&local->thr_wait);
7767 airo_read_wireless_stats(local);
7770 return &local->wstats;
7775 * This just translates from driver IOCTL codes to the command codes to
7776 * feed to the radio's host interface. Things can be added/deleted
7777 * as needed. This represents the READ side of control I/O to
7780 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7781 unsigned short ridcode;
7782 unsigned char *iobuf;
7784 struct airo_info *ai = dev->ml_priv;
7786 if (test_bit(FLAG_FLASHING, &ai->flags))
7789 switch(comp->command)
7791 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7792 case AIROGCFG: ridcode = RID_CONFIG;
7793 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7794 disable_MAC (ai, 1);
7795 writeConfigRid (ai, 1);
7799 case AIROGSLIST: ridcode = RID_SSID; break;
7800 case AIROGVLIST: ridcode = RID_APLIST; break;
7801 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7802 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7803 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
7804 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
7805 case AIROGSTAT: ridcode = RID_STATUS; break;
7806 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7807 case AIROGSTATSC32: ridcode = RID_STATS; break;
7809 if (copy_to_user(comp->data, &ai->micstats,
7810 min((int)comp->len,(int)sizeof(ai->micstats))))
7813 case AIRORRID: ridcode = comp->ridnum; break;
7818 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
7819 /* Only super-user can read WEP keys */
7820 if (!capable(CAP_NET_ADMIN))
7824 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7827 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7828 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7829 * then return it to the user
7830 * 9/22/2000 Honor user given length
7834 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7843 * Danger Will Robinson write the rids here
7846 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7847 struct airo_info *ai = dev->ml_priv;
7850 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7851 unsigned char *iobuf;
7853 /* Only super-user can write RIDs */
7854 if (!capable(CAP_NET_ADMIN))
7857 if (test_bit(FLAG_FLASHING, &ai->flags))
7861 writer = do_writerid;
7863 switch(comp->command)
7865 case AIROPSIDS: ridcode = RID_SSID; break;
7866 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7867 case AIROPAPLIST: ridcode = RID_APLIST; break;
7868 case AIROPCFG: ai->config.len = 0;
7869 clear_bit(FLAG_COMMIT, &ai->flags);
7870 ridcode = RID_CONFIG; break;
7871 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7872 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7873 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7874 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7876 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7877 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7879 /* this is not really a rid but a command given to the card
7883 if (enable_MAC(ai, 1) != 0)
7888 * Evidently this code in the airo driver does not get a symbol
7889 * as disable_MAC. it's probably so short the compiler does not gen one.
7895 /* This command merely clears the counts does not actually store any data
7896 * only reads rid. But as it changes the cards state, I put it in the
7897 * writerid routines.
7900 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7903 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7905 enabled = ai->micstats.enabled;
7906 memset(&ai->micstats,0,sizeof(ai->micstats));
7907 ai->micstats.enabled = enabled;
7909 if (copy_to_user(comp->data, iobuf,
7910 min((int)comp->len, (int)RIDSIZE))) {
7918 return -EOPNOTSUPP; /* Blarg! */
7920 if(comp->len > RIDSIZE)
7923 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7926 if (copy_from_user(iobuf,comp->data,comp->len)) {
7931 if (comp->command == AIROPCFG) {
7932 ConfigRid *cfg = (ConfigRid *)iobuf;
7934 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7935 cfg->opmode |= MODE_MIC;
7937 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7938 set_bit (FLAG_ADHOC, &ai->flags);
7940 clear_bit (FLAG_ADHOC, &ai->flags);
7943 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7951 /*****************************************************************************
7952 * Ancillary flash / mod functions much black magic lurkes here *
7953 *****************************************************************************
7957 * Flash command switch table
7960 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7963 /* Only super-user can modify flash */
7964 if (!capable(CAP_NET_ADMIN))
7967 switch(comp->command)
7970 return cmdreset((struct airo_info *)dev->ml_priv);
7973 if (!AIRO_FLASH(dev) &&
7974 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7976 return setflashmode((struct airo_info *)dev->ml_priv);
7978 case AIROFLSHGCHR: /* Get char from aux */
7979 if(comp->len != sizeof(int))
7981 if (copy_from_user(&z,comp->data,comp->len))
7983 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7985 case AIROFLSHPCHR: /* Send char to card. */
7986 if(comp->len != sizeof(int))
7988 if (copy_from_user(&z,comp->data,comp->len))
7990 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7992 case AIROFLPUTBUF: /* Send 32k to card */
7993 if (!AIRO_FLASH(dev))
7995 if(comp->len > FLASHSIZE)
7997 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8000 flashputbuf((struct airo_info *)dev->ml_priv);
8004 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8011 #define FLASH_COMMAND 0x7e7e
8015 * Disable MAC and do soft reset on
8019 static int cmdreset(struct airo_info *ai) {
8023 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8027 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8029 ssleep(1); /* WAS 600 12/7/00 */
8032 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8039 * Put the card in legendary flash
8043 static int setflashmode (struct airo_info *ai) {
8044 set_bit (FLAG_FLASHING, &ai->flags);
8046 OUT4500(ai, SWS0, FLASH_COMMAND);
8047 OUT4500(ai, SWS1, FLASH_COMMAND);
8049 OUT4500(ai, SWS0, FLASH_COMMAND);
8050 OUT4500(ai, COMMAND,0x10);
8052 OUT4500(ai, SWS2, FLASH_COMMAND);
8053 OUT4500(ai, SWS3, FLASH_COMMAND);
8054 OUT4500(ai, COMMAND,0);
8056 msleep(500); /* 500ms delay */
8059 clear_bit (FLAG_FLASHING, &ai->flags);
8060 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8066 /* Put character to SWS0 wait for dwelltime
8070 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8081 /* Wait for busy bit d15 to go false indicating buffer empty */
8082 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8087 /* timeout for busy clear wait */
8089 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8093 /* Port is clear now write byte and wait for it to echo back */
8095 OUT4500(ai,SWS0,byte);
8098 echo = IN4500(ai,SWS1);
8099 } while (dwelltime >= 0 && echo != byte);
8103 return (echo == byte) ? 0 : -EIO;
8107 * Get a character from the card matching matchbyte
8110 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8112 unsigned char rbyte=0;
8115 rchar = IN4500(ai,SWS1);
8117 if(dwelltime && !(0x8000 & rchar)){
8122 rbyte = 0xff & rchar;
8124 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8128 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8132 }while(dwelltime > 0);
8137 * Transfer 32k of firmware data from user buffer to our buffer and
8141 static int flashputbuf(struct airo_info *ai){
8145 if (test_bit(FLAG_MPI,&ai->flags))
8146 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8148 OUT4500(ai,AUXPAGE,0x100);
8149 OUT4500(ai,AUXOFF,0);
8151 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8152 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8155 OUT4500(ai,SWS0,0x8000);
8163 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8166 ssleep(1); /* Added 12/7/00 */
8167 clear_bit (FLAG_FLASHING, &ai->flags);
8168 if (test_bit(FLAG_MPI, &ai->flags)) {
8169 status = mpi_init_descriptors(ai);
8170 if (status != SUCCESS)
8173 status = setup_card(ai, dev->dev_addr, 1);
8175 if (!test_bit(FLAG_MPI,&ai->flags))
8176 for( i = 0; i < MAX_FIDS; i++ ) {
8177 ai->fids[i] = transmit_allocate
8178 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8181 ssleep(1); /* Added 12/7/00 */
8184 #endif /* CISCO_EXT */
8187 This program is free software; you can redistribute it and/or
8188 modify it under the terms of the GNU General Public License
8189 as published by the Free Software Foundation; either version 2
8190 of the License, or (at your option) any later version.
8192 This program is distributed in the hope that it will be useful,
8193 but WITHOUT ANY WARRANTY; without even the implied warranty of
8194 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8195 GNU General Public License for more details.
8199 Redistribution and use in source and binary forms, with or without
8200 modification, are permitted provided that the following conditions
8203 1. Redistributions of source code must retain the above copyright
8204 notice, this list of conditions and the following disclaimer.
8205 2. Redistributions in binary form must reproduce the above copyright
8206 notice, this list of conditions and the following disclaimer in the
8207 documentation and/or other materials provided with the distribution.
8208 3. The name of the author may not be used to endorse or promote
8209 products derived from this software without specific prior written
8212 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8213 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8214 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8215 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8216 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8217 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8218 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8219 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8220 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8221 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8222 POSSIBILITY OF SUCH DAMAGE.
8225 module_init(airo_init_module);
8226 module_exit(airo_cleanup_module);