1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/unaligned.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
52 #include <net/cfg80211.h>
53 #include <net/iw_handler.h>
57 #define DRV_NAME "airo"
60 static const struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
70 MODULE_DEVICE_TABLE(pci, card_ids);
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
77 static struct pci_driver airo_driver = {
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
85 #endif /* CONFIG_PCI */
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
91 #define CISCO_EXT /* enable Cisco extensions */
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
240 static int airo_perm = 0555;
242 static int proc_perm = 0644;
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
373 #define LINKSTAT 0x10
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
398 /* Size of the transmit queue */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
406 #define COMMAND_BUSY 0x8000
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
416 #define EV_CLEARCOMMANDBUSY 0x4000
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #define IGNORE_INTS (~STATUS_INTS)
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
517 typedef struct SsidRid SsidRid;
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
532 typedef struct ConfigRid ConfigRid;
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
563 u8 macAddr[ETH_ALEN];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
571 __le16 u16deviceType; /* for overriding device type */
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
618 __le16 bridgeDistance;
620 /*---------- Radio configuration ----------*/
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
656 typedef struct StatusRid StatusRid;
666 u8 bssid[4][ETH_ALEN];
673 __le16 hopsToBackbone;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
715 typedef struct StatsRid StatsRid;
722 typedef struct APListRid APListRid;
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
741 char callid[ETH_ALEN];
742 char supportedRates[8];
745 __le16 txPowerLevels[8];
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
762 u8 fixed[12]; /* WLAN management frame */
766 typedef struct BSSListRid BSSListRid;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
802 struct list_head list;
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
811 typedef struct tdsRssiRid tdsRssiRid;
817 typedef struct MICRid MICRid;
821 __le16 multicastValid;
827 typedef struct MICBuffer MICBuffer;
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859 #define BUSY_FID 0x10000
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
879 /* Ioctl constants to be used in airo_ioctl.command */
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
897 #define AIRORSWVERSION 17
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
934 static const char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
960 } part; // saves partial message word across update() calls
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
985 unsigned int offset: 15;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1009 * Host receive descriptor
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1021 * Host transmit descriptor
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1033 * Host RID descriptor
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1083 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctl = HOST_DONT_RLSE,
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155 static void airo_networks_free(struct airo_info *ai);
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1163 #define MPI_MAX_FIDS 1
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1191 #define JOB_XMIT11 2
1193 #define JOB_PROMISC 4
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 unsigned short *flash;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1210 struct sk_buff *skb;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1219 struct crypto_cipher *tfm;
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1286 /***********************************************************************
1288 ***********************************************************************
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1323 /* micinit - Initialize mic seed */
1325 static void micinit(struct airo_info *ai)
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1356 /* micsetup - Get ready for business */
1358 static int micsetup(struct airo_info *ai) {
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1377 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1379 /*===========================================================================
1380 * Description: Mic a packet
1382 * Inputs: etherHead * pointer to an 802.3 frame
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1405 context = &ai->mod[0].uCtx;
1407 if (!context->valid)
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1415 mic->seq = htonl(context->tx);
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1442 * Inputs: etherHead pointer to the 802.3 packet
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1457 mic_error micError = NONE;
1459 // Check if the packet is a Mic'd packet
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1470 if (ntohs(mic->typelen) == 0x888E)
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1495 //Make sure context is valid
1496 if (!context->valid) {
1498 micError = NOMICPLUMMED;
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1512 emmh32_final(&context->seed, digest);
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1517 micError = INCORRECTMIC;
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1527 micError = SEQUENCE;
1530 // Update statistics
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1548 * Returns: TRUE if valid otherwise FALSE.
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1577 //Too old of a SEQ number to check.
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1596 MoveWindow(context,micSeq);
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1613 context->rx >>= shift;
1617 context->window = micSeq; //Move window
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1629 static unsigned char aes_counter[16];
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1640 u8 *cipher, plain[16];
1642 crypto_cipher_setkey(tfm, pkey, 16);
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1663 /* prepare for new mic calculation */
1665 context->position = 0;
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1671 int coeff_position, byte_position;
1673 if (len == 0) return;
1675 coeff_position = context->position >> 2;
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1690 /* deal with full 32-bit words */
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1698 /* deal with partial 32-bit word that will be left over from this update */
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1713 int coeff_position, byte_position;
1719 coeff_position = context->position >> 2;
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1744 static int readBSSListRid(struct airo_info *ai, int first,
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1797 static int readConfigRid(struct airo_info *ai, int lock)
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1813 static inline void checkThrottle(struct airo_info *ai)
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1851 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1871 static void try_auto_wep(struct airo_info *ai)
1873 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet committed, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1892 writeConfigRid(ai, 1);
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1899 if (IS_ERR(ai->airo_thread_task))
1900 return (int)PTR_ERR(ai->airo_thread_task);
1902 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1905 airo_print_err(dev->name,
1906 "register interrupt %d failed, rc %d",
1908 set_bit(JOB_DIE, &ai->jobs);
1909 kthread_stop(ai->airo_thread_task);
1913 /* Power on the MAC controller (which may have been disabled) */
1914 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1915 enable_interrupts(ai);
1921 netif_start_queue(dev);
1925 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1926 struct net_device *dev)
1928 int npacks, pending;
1929 unsigned long flags;
1930 struct airo_info *ai = dev->ml_priv;
1933 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1934 return NETDEV_TX_OK;
1936 npacks = skb_queue_len (&ai->txq);
1938 if (npacks >= MAXTXQ - 1) {
1939 netif_stop_queue (dev);
1940 if (npacks > MAXTXQ) {
1941 dev->stats.tx_fifo_errors++;
1942 return NETDEV_TX_BUSY;
1944 skb_queue_tail (&ai->txq, skb);
1945 return NETDEV_TX_OK;
1948 spin_lock_irqsave(&ai->aux_lock, flags);
1949 skb_queue_tail (&ai->txq, skb);
1950 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1951 spin_unlock_irqrestore(&ai->aux_lock,flags);
1952 netif_wake_queue (dev);
1955 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1956 mpi_send_packet (dev);
1958 return NETDEV_TX_OK;
1964 * Attempt to transmit a packet. Can be called from interrupt
1965 * or transmit . return number of packets we tried to send
1968 static int mpi_send_packet (struct net_device *dev)
1970 struct sk_buff *skb;
1971 unsigned char *buffer;
1974 struct airo_info *ai = dev->ml_priv;
1977 /* get a packet to send */
1979 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1980 airo_print_err(dev->name,
1981 "%s: Dequeue'd zero in send_packet()",
1986 /* check min length*/
1987 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1990 ai->txfids[0].tx_desc.offset = 0;
1991 ai->txfids[0].tx_desc.valid = 1;
1992 ai->txfids[0].tx_desc.eoc = 1;
1993 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1996 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1997 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1998 * is immediately after it. ------------------------------------------------
1999 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2000 * ------------------------------------------------
2003 memcpy(ai->txfids[0].virtual_host_addr,
2004 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2006 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023));
2008 sendbuf = ai->txfids[0].virtual_host_addr +
2009 sizeof(wifictlhdr8023) + 2 ;
2012 * Firmware automatically puts 802 header on so
2013 * we don't need to account for it in the length
2015 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2016 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2019 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2022 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2023 ai->txfids[0].tx_desc.len += sizeof(pMic);
2024 /* copy data into airo dma buffer */
2025 memcpy (sendbuf, buffer, sizeof(etherHead));
2026 buffer += sizeof(etherHead);
2027 sendbuf += sizeof(etherHead);
2028 memcpy (sendbuf, &pMic, sizeof(pMic));
2029 sendbuf += sizeof(pMic);
2030 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2032 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2034 dev->trans_start = jiffies;
2036 /* copy data into airo dma buffer */
2037 memcpy(sendbuf, buffer, len);
2040 memcpy_toio(ai->txfids[0].card_ram_off,
2041 &ai->txfids[0].tx_desc, sizeof(TxFid));
2043 OUT4500(ai, EVACK, 8);
2045 dev_kfree_skb_any(skb);
2049 static void get_tx_error(struct airo_info *ai, s32 fid)
2054 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2056 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2058 bap_read(ai, &status, 2, BAP0);
2060 if (le16_to_cpu(status) & 2) /* Too many retries */
2061 ai->dev->stats.tx_aborted_errors++;
2062 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2063 ai->dev->stats.tx_heartbeat_errors++;
2064 if (le16_to_cpu(status) & 8) /* Aid fail */
2066 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2067 ai->dev->stats.tx_carrier_errors++;
2068 if (le16_to_cpu(status) & 0x20) /* Association lost */
2070 /* We produce a TXDROP event only for retry or lifetime
2071 * exceeded, because that's the only status that really mean
2072 * that this particular node went away.
2073 * Other errors means that *we* screwed up. - Jean II */
2074 if ((le16_to_cpu(status) & 2) ||
2075 (le16_to_cpu(status) & 4)) {
2076 union iwreq_data wrqu;
2079 /* Faster to skip over useless data than to do
2080 * another bap_setup(). We are at offset 0x6 and
2081 * need to go to 0x18 and read 6 bytes - Jean II */
2082 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2084 /* Copy 802.11 dest address.
2085 * We use the 802.11 header because the frame may
2086 * not be 802.3 or may be mangled...
2087 * In Ad-Hoc mode, it will be the node address.
2088 * In managed mode, it will be most likely the AP addr
2089 * User space will figure out how to convert it to
2090 * whatever it needs (IP address or else).
2092 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2093 wrqu.addr.sa_family = ARPHRD_ETHER;
2095 /* Send event to user space */
2096 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2100 static void airo_end_xmit(struct net_device *dev) {
2103 struct airo_info *priv = dev->ml_priv;
2104 struct sk_buff *skb = priv->xmit.skb;
2105 int fid = priv->xmit.fid;
2106 u32 *fids = priv->fids;
2108 clear_bit(JOB_XMIT, &priv->jobs);
2109 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2110 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2114 if ( status == SUCCESS ) {
2115 dev->trans_start = jiffies;
2116 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2118 priv->fids[fid] &= 0xffff;
2119 dev->stats.tx_window_errors++;
2121 if (i < MAX_FIDS / 2)
2122 netif_wake_queue(dev);
2126 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2127 struct net_device *dev)
2131 struct airo_info *priv = dev->ml_priv;
2132 u32 *fids = priv->fids;
2134 if ( skb == NULL ) {
2135 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2136 return NETDEV_TX_OK;
2139 /* Find a vacant FID */
2140 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2141 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2143 if ( j >= MAX_FIDS / 2 ) {
2144 netif_stop_queue(dev);
2146 if (i == MAX_FIDS / 2) {
2147 dev->stats.tx_fifo_errors++;
2148 return NETDEV_TX_BUSY;
2151 /* check min length*/
2152 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2153 /* Mark fid as used & save length for later */
2154 fids[i] |= (len << 16);
2155 priv->xmit.skb = skb;
2157 if (down_trylock(&priv->sem) != 0) {
2158 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2159 netif_stop_queue(dev);
2160 set_bit(JOB_XMIT, &priv->jobs);
2161 wake_up_interruptible(&priv->thr_wait);
2164 return NETDEV_TX_OK;
2167 static void airo_end_xmit11(struct net_device *dev) {
2170 struct airo_info *priv = dev->ml_priv;
2171 struct sk_buff *skb = priv->xmit11.skb;
2172 int fid = priv->xmit11.fid;
2173 u32 *fids = priv->fids;
2175 clear_bit(JOB_XMIT11, &priv->jobs);
2176 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2177 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2181 if ( status == SUCCESS ) {
2182 dev->trans_start = jiffies;
2183 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2185 priv->fids[fid] &= 0xffff;
2186 dev->stats.tx_window_errors++;
2189 netif_wake_queue(dev);
2193 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2194 struct net_device *dev)
2198 struct airo_info *priv = dev->ml_priv;
2199 u32 *fids = priv->fids;
2201 if (test_bit(FLAG_MPI, &priv->flags)) {
2202 /* Not implemented yet for MPI350 */
2203 netif_stop_queue(dev);
2204 dev_kfree_skb_any(skb);
2205 return NETDEV_TX_OK;
2208 if ( skb == NULL ) {
2209 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2210 return NETDEV_TX_OK;
2213 /* Find a vacant FID */
2214 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2215 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2217 if ( j >= MAX_FIDS ) {
2218 netif_stop_queue(dev);
2220 if (i == MAX_FIDS) {
2221 dev->stats.tx_fifo_errors++;
2222 return NETDEV_TX_BUSY;
2225 /* check min length*/
2226 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2227 /* Mark fid as used & save length for later */
2228 fids[i] |= (len << 16);
2229 priv->xmit11.skb = skb;
2230 priv->xmit11.fid = i;
2231 if (down_trylock(&priv->sem) != 0) {
2232 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2233 netif_stop_queue(dev);
2234 set_bit(JOB_XMIT11, &priv->jobs);
2235 wake_up_interruptible(&priv->thr_wait);
2237 airo_end_xmit11(dev);
2238 return NETDEV_TX_OK;
2241 static void airo_read_stats(struct net_device *dev)
2243 struct airo_info *ai = dev->ml_priv;
2245 __le32 *vals = stats_rid.vals;
2247 clear_bit(JOB_STATS, &ai->jobs);
2248 if (ai->power.event) {
2252 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2255 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2256 le32_to_cpu(vals[45]);
2257 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2258 le32_to_cpu(vals[41]);
2259 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2260 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2261 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2262 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2263 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2264 dev->stats.tx_fifo_errors;
2265 dev->stats.multicast = le32_to_cpu(vals[43]);
2266 dev->stats.collisions = le32_to_cpu(vals[89]);
2268 /* detailed rx_errors: */
2269 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2270 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2271 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2272 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2275 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2277 struct airo_info *local = dev->ml_priv;
2279 if (!test_bit(JOB_STATS, &local->jobs)) {
2280 /* Get stats out of the card if available */
2281 if (down_trylock(&local->sem) != 0) {
2282 set_bit(JOB_STATS, &local->jobs);
2283 wake_up_interruptible(&local->thr_wait);
2285 airo_read_stats(dev);
2291 static void airo_set_promisc(struct airo_info *ai) {
2295 memset(&cmd, 0, sizeof(cmd));
2296 cmd.cmd=CMD_SETMODE;
2297 clear_bit(JOB_PROMISC, &ai->jobs);
2298 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2299 issuecommand(ai, &cmd, &rsp);
2303 static void airo_set_multicast_list(struct net_device *dev) {
2304 struct airo_info *ai = dev->ml_priv;
2306 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2307 change_bit(FLAG_PROMISC, &ai->flags);
2308 if (down_trylock(&ai->sem) != 0) {
2309 set_bit(JOB_PROMISC, &ai->jobs);
2310 wake_up_interruptible(&ai->thr_wait);
2312 airo_set_promisc(ai);
2315 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2316 /* Turn on multicast. (Should be already setup...) */
2320 static int airo_set_mac_address(struct net_device *dev, void *p)
2322 struct airo_info *ai = dev->ml_priv;
2323 struct sockaddr *addr = p;
2325 readConfigRid(ai, 1);
2326 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2327 set_bit (FLAG_COMMIT, &ai->flags);
2329 writeConfigRid (ai, 1);
2331 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2333 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2337 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2339 if ((new_mtu < 68) || (new_mtu > 2400))
2345 static LIST_HEAD(airo_devices);
2347 static void add_airo_dev(struct airo_info *ai)
2349 /* Upper layers already keep track of PCI devices,
2350 * so we only need to remember our non-PCI cards. */
2352 list_add_tail(&ai->dev_list, &airo_devices);
2355 static void del_airo_dev(struct airo_info *ai)
2358 list_del(&ai->dev_list);
2361 static int airo_close(struct net_device *dev) {
2362 struct airo_info *ai = dev->ml_priv;
2364 netif_stop_queue(dev);
2366 if (ai->wifidev != dev) {
2367 #ifdef POWER_ON_DOWN
2368 /* Shut power to the card. The idea is that the user can save
2369 * power when he doesn't need the card with "ifconfig down".
2370 * That's the method that is most friendly towards the network
2371 * stack (i.e. the network stack won't try to broadcast
2372 * anything on the interface and routes are gone. Jean II */
2373 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2376 disable_interrupts( ai );
2378 free_irq(dev->irq, dev);
2380 set_bit(JOB_DIE, &ai->jobs);
2381 kthread_stop(ai->airo_thread_task);
2386 void stop_airo_card( struct net_device *dev, int freeres )
2388 struct airo_info *ai = dev->ml_priv;
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_interrupts(ai);
2393 takedown_proc_entry( dev, ai );
2394 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2395 unregister_netdev( dev );
2397 unregister_netdev(ai->wifidev);
2398 free_netdev(ai->wifidev);
2401 clear_bit(FLAG_REGISTERED, &ai->flags);
2404 * Clean out tx queue
2406 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2407 struct sk_buff *skb = NULL;
2408 for (;(skb = skb_dequeue(&ai->txq));)
2412 airo_networks_free (ai);
2419 /* PCMCIA frees this stuff, so only for PCI and ISA */
2420 release_region( dev->base_addr, 64 );
2421 if (test_bit(FLAG_MPI, &ai->flags)) {
2423 mpi_unmap_card(ai->pci);
2425 iounmap(ai->pcimem);
2427 iounmap(ai->pciaux);
2428 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2429 ai->shared, ai->shared_dma);
2432 crypto_free_cipher(ai->tfm);
2437 EXPORT_SYMBOL(stop_airo_card);
2439 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2441 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2445 static void mpi_unmap_card(struct pci_dev *pci)
2447 unsigned long mem_start = pci_resource_start(pci, 1);
2448 unsigned long mem_len = pci_resource_len(pci, 1);
2449 unsigned long aux_start = pci_resource_start(pci, 2);
2450 unsigned long aux_len = AUXMEMSIZE;
2452 release_mem_region(aux_start, aux_len);
2453 release_mem_region(mem_start, mem_len);
2456 /*************************************************************
2457 * This routine assumes that descriptors have been setup .
2458 * Run at insmod time or after reset when the decriptors
2459 * have been initialized . Returns 0 if all is well nz
2460 * otherwise . Does not allocate memory but sets up card
2461 * using previously allocated descriptors.
2463 static int mpi_init_descriptors (struct airo_info *ai)
2470 /* Alloc card RX descriptors */
2471 netif_stop_queue(ai->dev);
2473 memset(&rsp,0,sizeof(rsp));
2474 memset(&cmd,0,sizeof(cmd));
2476 cmd.cmd = CMD_ALLOCATEAUX;
2478 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2479 cmd.parm2 = MPI_MAX_FIDS;
2480 rc=issuecommand(ai, &cmd, &rsp);
2481 if (rc != SUCCESS) {
2482 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2486 for (i=0; i<MPI_MAX_FIDS; i++) {
2487 memcpy_toio(ai->rxfids[i].card_ram_off,
2488 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2491 /* Alloc card TX descriptors */
2493 memset(&rsp,0,sizeof(rsp));
2494 memset(&cmd,0,sizeof(cmd));
2496 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2499 cmd.parm2 = MPI_MAX_FIDS;
2501 for (i=0; i<MPI_MAX_FIDS; i++) {
2502 ai->txfids[i].tx_desc.valid = 1;
2503 memcpy_toio(ai->txfids[i].card_ram_off,
2504 &ai->txfids[i].tx_desc, sizeof(TxFid));
2506 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2508 rc=issuecommand(ai, &cmd, &rsp);
2509 if (rc != SUCCESS) {
2510 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2514 /* Alloc card Rid descriptor */
2515 memset(&rsp,0,sizeof(rsp));
2516 memset(&cmd,0,sizeof(cmd));
2518 cmd.cmd = CMD_ALLOCATEAUX;
2520 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2521 cmd.parm2 = 1; /* Magic number... */
2522 rc=issuecommand(ai, &cmd, &rsp);
2523 if (rc != SUCCESS) {
2524 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2528 memcpy_toio(ai->config_desc.card_ram_off,
2529 &ai->config_desc.rid_desc, sizeof(Rid));
2535 * We are setting up three things here:
2536 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2537 * 2) Map PCI memory for issuing commands.
2538 * 3) Allocate memory (shared) to send and receive ethernet frames.
2540 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2542 unsigned long mem_start, mem_len, aux_start, aux_len;
2545 dma_addr_t busaddroff;
2546 unsigned char *vpackoff;
2547 unsigned char __iomem *pciaddroff;
2549 mem_start = pci_resource_start(pci, 1);
2550 mem_len = pci_resource_len(pci, 1);
2551 aux_start = pci_resource_start(pci, 2);
2552 aux_len = AUXMEMSIZE;
2554 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2555 airo_print_err("", "Couldn't get region %x[%x]",
2556 (int)mem_start, (int)mem_len);
2559 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2560 airo_print_err("", "Couldn't get region %x[%x]",
2561 (int)aux_start, (int)aux_len);
2565 ai->pcimem = ioremap(mem_start, mem_len);
2567 airo_print_err("", "Couldn't map region %x[%x]",
2568 (int)mem_start, (int)mem_len);
2571 ai->pciaux = ioremap(aux_start, aux_len);
2573 airo_print_err("", "Couldn't map region %x[%x]",
2574 (int)aux_start, (int)aux_len);
2578 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2579 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2581 airo_print_err("", "Couldn't alloc_consistent %d",
2587 * Setup descriptor RX, TX, CONFIG
2589 busaddroff = ai->shared_dma;
2590 pciaddroff = ai->pciaux + AUX_OFFSET;
2591 vpackoff = ai->shared;
2593 /* RX descriptor setup */
2594 for(i = 0; i < MPI_MAX_FIDS; i++) {
2595 ai->rxfids[i].pending = 0;
2596 ai->rxfids[i].card_ram_off = pciaddroff;
2597 ai->rxfids[i].virtual_host_addr = vpackoff;
2598 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2599 ai->rxfids[i].rx_desc.valid = 1;
2600 ai->rxfids[i].rx_desc.len = PKTSIZE;
2601 ai->rxfids[i].rx_desc.rdy = 0;
2603 pciaddroff += sizeof(RxFid);
2604 busaddroff += PKTSIZE;
2605 vpackoff += PKTSIZE;
2608 /* TX descriptor setup */
2609 for(i = 0; i < MPI_MAX_FIDS; i++) {
2610 ai->txfids[i].card_ram_off = pciaddroff;
2611 ai->txfids[i].virtual_host_addr = vpackoff;
2612 ai->txfids[i].tx_desc.valid = 1;
2613 ai->txfids[i].tx_desc.host_addr = busaddroff;
2614 memcpy(ai->txfids[i].virtual_host_addr,
2615 &wifictlhdr8023, sizeof(wifictlhdr8023));
2617 pciaddroff += sizeof(TxFid);
2618 busaddroff += PKTSIZE;
2619 vpackoff += PKTSIZE;
2621 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2623 /* Rid descriptor setup */
2624 ai->config_desc.card_ram_off = pciaddroff;
2625 ai->config_desc.virtual_host_addr = vpackoff;
2626 ai->config_desc.rid_desc.host_addr = busaddroff;
2627 ai->ridbus = busaddroff;
2628 ai->config_desc.rid_desc.rid = 0;
2629 ai->config_desc.rid_desc.len = RIDSIZE;
2630 ai->config_desc.rid_desc.valid = 1;
2631 pciaddroff += sizeof(Rid);
2632 busaddroff += RIDSIZE;
2633 vpackoff += RIDSIZE;
2635 /* Tell card about descriptors */
2636 if (mpi_init_descriptors (ai) != SUCCESS)
2641 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2643 iounmap(ai->pciaux);
2645 iounmap(ai->pcimem);
2647 release_mem_region(aux_start, aux_len);
2649 release_mem_region(mem_start, mem_len);
2654 static const struct header_ops airo_header_ops = {
2655 .parse = wll_header_parse,
2658 static const struct net_device_ops airo11_netdev_ops = {
2659 .ndo_open = airo_open,
2660 .ndo_stop = airo_close,
2661 .ndo_start_xmit = airo_start_xmit11,
2662 .ndo_get_stats = airo_get_stats,
2663 .ndo_set_mac_address = airo_set_mac_address,
2664 .ndo_do_ioctl = airo_ioctl,
2665 .ndo_change_mtu = airo_change_mtu,
2668 static void wifi_setup(struct net_device *dev)
2670 dev->netdev_ops = &airo11_netdev_ops;
2671 dev->header_ops = &airo_header_ops;
2672 dev->wireless_handlers = &airo_handler_def;
2674 dev->type = ARPHRD_IEEE80211;
2675 dev->hard_header_len = ETH_HLEN;
2676 dev->mtu = AIRO_DEF_MTU;
2677 dev->addr_len = ETH_ALEN;
2678 dev->tx_queue_len = 100;
2680 eth_broadcast_addr(dev->broadcast);
2682 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2685 static struct net_device *init_wifidev(struct airo_info *ai,
2686 struct net_device *ethdev)
2689 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2693 dev->ml_priv = ethdev->ml_priv;
2694 dev->irq = ethdev->irq;
2695 dev->base_addr = ethdev->base_addr;
2696 dev->wireless_data = ethdev->wireless_data;
2697 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2698 eth_hw_addr_inherit(dev, ethdev);
2699 err = register_netdev(dev);
2707 static int reset_card( struct net_device *dev , int lock) {
2708 struct airo_info *ai = dev->ml_priv;
2710 if (lock && down_interruptible(&ai->sem))
2713 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2722 #define AIRO_MAX_NETWORK_COUNT 64
2723 static int airo_networks_allocate(struct airo_info *ai)
2728 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2730 if (!ai->networks) {
2731 airo_print_warn("", "Out of memory allocating beacons");
2738 static void airo_networks_free(struct airo_info *ai)
2740 kfree(ai->networks);
2741 ai->networks = NULL;
2744 static void airo_networks_initialize(struct airo_info *ai)
2748 INIT_LIST_HEAD(&ai->network_free_list);
2749 INIT_LIST_HEAD(&ai->network_list);
2750 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2751 list_add_tail(&ai->networks[i].list,
2752 &ai->network_free_list);
2755 static const struct net_device_ops airo_netdev_ops = {
2756 .ndo_open = airo_open,
2757 .ndo_stop = airo_close,
2758 .ndo_start_xmit = airo_start_xmit,
2759 .ndo_get_stats = airo_get_stats,
2760 .ndo_set_rx_mode = airo_set_multicast_list,
2761 .ndo_set_mac_address = airo_set_mac_address,
2762 .ndo_do_ioctl = airo_ioctl,
2763 .ndo_change_mtu = airo_change_mtu,
2764 .ndo_validate_addr = eth_validate_addr,
2767 static const struct net_device_ops mpi_netdev_ops = {
2768 .ndo_open = airo_open,
2769 .ndo_stop = airo_close,
2770 .ndo_start_xmit = mpi_start_xmit,
2771 .ndo_get_stats = airo_get_stats,
2772 .ndo_set_rx_mode = airo_set_multicast_list,
2773 .ndo_set_mac_address = airo_set_mac_address,
2774 .ndo_do_ioctl = airo_ioctl,
2775 .ndo_change_mtu = airo_change_mtu,
2776 .ndo_validate_addr = eth_validate_addr,
2780 static struct net_device *_init_airo_card( unsigned short irq, int port,
2781 int is_pcmcia, struct pci_dev *pci,
2782 struct device *dmdev )
2784 struct net_device *dev;
2785 struct airo_info *ai;
2787 CapabilityRid cap_rid;
2789 /* Create the network device object. */
2790 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2792 airo_print_err("", "Couldn't alloc_etherdev");
2796 ai = dev->ml_priv = netdev_priv(dev);
2798 ai->flags = 1 << FLAG_RADIO_DOWN;
2801 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2802 airo_print_dbg("", "Found an MPI350 card");
2803 set_bit(FLAG_MPI, &ai->flags);
2805 spin_lock_init(&ai->aux_lock);
2806 sema_init(&ai->sem, 1);
2809 init_waitqueue_head (&ai->thr_wait);
2813 if (airo_networks_allocate (ai))
2815 airo_networks_initialize (ai);
2817 skb_queue_head_init (&ai->txq);
2819 /* The Airo-specific entries in the device structure. */
2820 if (test_bit(FLAG_MPI,&ai->flags))
2821 dev->netdev_ops = &mpi_netdev_ops;
2823 dev->netdev_ops = &airo_netdev_ops;
2824 dev->wireless_handlers = &airo_handler_def;
2825 ai->wireless_data.spy_data = &ai->spy_data;
2826 dev->wireless_data = &ai->wireless_data;
2828 dev->base_addr = port;
2829 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2831 SET_NETDEV_DEV(dev, dmdev);
2833 reset_card (dev, 1);
2837 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2839 airo_print_err(dev->name, "Couldn't request region");
2844 if (test_bit(FLAG_MPI,&ai->flags)) {
2845 if (mpi_map_card(ai, pci)) {
2846 airo_print_err("", "Could not map memory");
2852 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2853 airo_print_err(dev->name, "MAC could not be enabled" );
2857 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2858 ai->bap_read = fast_bap_read;
2859 set_bit(FLAG_FLASHING, &ai->flags);
2862 strcpy(dev->name, "eth%d");
2863 rc = register_netdev(dev);
2865 airo_print_err(dev->name, "Couldn't register_netdev");
2868 ai->wifidev = init_wifidev(ai, dev);
2872 rc = readCapabilityRid(ai, &cap_rid, 1);
2873 if (rc != SUCCESS) {
2877 /* WEP capability discovery */
2878 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2879 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2881 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2882 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2883 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2884 le16_to_cpu(cap_rid.softSubVer));
2886 /* Test for WPA support */
2887 /* Only firmware versions 5.30.17 or better can do WPA */
2888 if (le16_to_cpu(cap_rid.softVer) > 0x530
2889 || (le16_to_cpu(cap_rid.softVer) == 0x530
2890 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2891 airo_print_info(ai->dev->name, "WPA supported.");
2893 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2894 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2895 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2896 ai->bssListRidLen = sizeof(BSSListRid);
2898 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2899 "versions older than 5.30.17.");
2901 ai->bssListFirst = RID_BSSLISTFIRST;
2902 ai->bssListNext = RID_BSSLISTNEXT;
2903 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2906 set_bit(FLAG_REGISTERED,&ai->flags);
2907 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2909 /* Allocate the transmit buffers */
2910 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2911 for( i = 0; i < MAX_FIDS; i++ )
2912 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2914 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2920 unregister_netdev(ai->wifidev);
2921 free_netdev(ai->wifidev);
2923 unregister_netdev(dev);
2925 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2926 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2927 iounmap(ai->pciaux);
2928 iounmap(ai->pcimem);
2929 mpi_unmap_card(ai->pci);
2933 release_region( dev->base_addr, 64 );
2935 airo_networks_free(ai);
2942 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2943 struct device *dmdev)
2945 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2948 EXPORT_SYMBOL(init_airo_card);
2950 static int waitbusy (struct airo_info *ai) {
2952 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2954 if ((++delay % 20) == 0)
2955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2957 return delay < 10000;
2960 int reset_airo_card( struct net_device *dev )
2963 struct airo_info *ai = dev->ml_priv;
2965 if (reset_card (dev, 1))
2968 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2969 airo_print_err(dev->name, "MAC could not be enabled");
2972 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2973 /* Allocate the transmit buffers if needed */
2974 if (!test_bit(FLAG_MPI,&ai->flags))
2975 for( i = 0; i < MAX_FIDS; i++ )
2976 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2978 enable_interrupts( ai );
2979 netif_wake_queue(dev);
2983 EXPORT_SYMBOL(reset_airo_card);
2985 static void airo_send_event(struct net_device *dev) {
2986 struct airo_info *ai = dev->ml_priv;
2987 union iwreq_data wrqu;
2988 StatusRid status_rid;
2990 clear_bit(JOB_EVENT, &ai->jobs);
2991 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2993 wrqu.data.length = 0;
2994 wrqu.data.flags = 0;
2995 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2996 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2998 /* Send event to user space */
2999 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3002 static void airo_process_scan_results (struct airo_info *ai) {
3003 union iwreq_data wrqu;
3006 BSSListElement * loop_net;
3007 BSSListElement * tmp_net;
3009 /* Blow away current list of scan results */
3010 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3011 list_move_tail (&loop_net->list, &ai->network_free_list);
3012 /* Don't blow away ->list, just BSS data */
3013 memset (loop_net, 0, sizeof (loop_net->bss));
3016 /* Try to read the first entry of the scan result */
3017 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3018 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3019 /* No scan results */
3023 /* Read and parse all entries */
3025 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3026 /* Grab a network off the free list */
3027 if (!list_empty(&ai->network_free_list)) {
3028 tmp_net = list_entry(ai->network_free_list.next,
3029 BSSListElement, list);
3030 list_del(ai->network_free_list.next);
3033 if (tmp_net != NULL) {
3034 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3035 list_add_tail(&tmp_net->list, &ai->network_list);
3039 /* Read next entry */
3040 rc = PC4500_readrid(ai, ai->bssListNext,
3041 &bss, ai->bssListRidLen, 0);
3045 ai->scan_timeout = 0;
3046 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3049 /* Send an empty event to user space.
3050 * We don't send the received data on
3051 * the event because it would require
3052 * us to do complex transcoding, and
3053 * we want to minimise the work done in
3054 * the irq handler. Use a request to
3055 * extract the data - Jean II */
3056 wrqu.data.length = 0;
3057 wrqu.data.flags = 0;
3058 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3061 static int airo_thread(void *data) {
3062 struct net_device *dev = data;
3063 struct airo_info *ai = dev->ml_priv;
3068 /* make swsusp happy with our thread */
3071 if (test_bit(JOB_DIE, &ai->jobs))
3075 locked = down_interruptible(&ai->sem);
3079 init_waitqueue_entry(&wait, current);
3080 add_wait_queue(&ai->thr_wait, &wait);
3082 set_current_state(TASK_INTERRUPTIBLE);
3085 if (ai->expires || ai->scan_timeout) {
3086 if (ai->scan_timeout &&
3087 time_after_eq(jiffies,ai->scan_timeout)){
3088 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3090 } else if (ai->expires &&
3091 time_after_eq(jiffies,ai->expires)){
3092 set_bit(JOB_AUTOWEP, &ai->jobs);
3095 if (!kthread_should_stop() &&
3096 !freezing(current)) {
3097 unsigned long wake_at;
3098 if (!ai->expires || !ai->scan_timeout) {
3099 wake_at = max(ai->expires,
3102 wake_at = min(ai->expires,
3105 schedule_timeout(wake_at - jiffies);
3108 } else if (!kthread_should_stop() &&
3109 !freezing(current)) {
3115 current->state = TASK_RUNNING;
3116 remove_wait_queue(&ai->thr_wait, &wait);
3123 if (test_bit(JOB_DIE, &ai->jobs)) {
3128 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3133 if (test_bit(JOB_XMIT, &ai->jobs))
3135 else if (test_bit(JOB_XMIT11, &ai->jobs))
3136 airo_end_xmit11(dev);
3137 else if (test_bit(JOB_STATS, &ai->jobs))
3138 airo_read_stats(dev);
3139 else if (test_bit(JOB_WSTATS, &ai->jobs))
3140 airo_read_wireless_stats(ai);
3141 else if (test_bit(JOB_PROMISC, &ai->jobs))
3142 airo_set_promisc(ai);
3143 else if (test_bit(JOB_MIC, &ai->jobs))
3145 else if (test_bit(JOB_EVENT, &ai->jobs))
3146 airo_send_event(dev);
3147 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3149 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3150 airo_process_scan_results(ai);
3151 else /* Shouldn't get here, but we make sure to unlock */
3158 static int header_len(__le16 ctl)
3160 u16 fc = le16_to_cpu(ctl);
3163 if ((fc & 0xe0) == 0xc0)
3164 return 10; /* one-address control packet */
3165 return 16; /* two-address control packet */
3167 if ((fc & 0x300) == 0x300)
3168 return 30; /* WDS packet */
3173 static void airo_handle_cisco_mic(struct airo_info *ai)
3175 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3176 set_bit(JOB_MIC, &ai->jobs);
3177 wake_up_interruptible(&ai->thr_wait);
3181 /* Airo Status codes */
3182 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3183 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3184 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3185 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3186 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3187 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3188 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3190 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3191 #define STAT_ASSOC 0x0400 /* Associated */
3192 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3194 static void airo_print_status(const char *devname, u16 status)
3196 u8 reason = status & 0xFF;
3198 switch (status & 0xFF00) {
3202 airo_print_dbg(devname, "link lost (missed beacons)");
3204 case STAT_MAXRETRIES:
3206 airo_print_dbg(devname, "link lost (max retries)");
3208 case STAT_FORCELOSS:
3209 airo_print_dbg(devname, "link lost (local choice)");
3212 airo_print_dbg(devname, "link lost (TSF sync lost)");
3215 airo_print_dbg(devname, "unknown status %x\n", status);
3220 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3223 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3225 case STAT_ASSOC_FAIL:
3226 airo_print_dbg(devname, "association failed (reason: %d)",
3229 case STAT_AUTH_FAIL:
3230 airo_print_dbg(devname, "authentication failed (reason: %d)",
3237 airo_print_dbg(devname, "unknown status %x\n", status);
3242 static void airo_handle_link(struct airo_info *ai)
3244 union iwreq_data wrqu;
3245 int scan_forceloss = 0;
3248 /* Get new status and acknowledge the link change */
3249 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3250 OUT4500(ai, EVACK, EV_LINK);
3252 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3255 airo_print_status(ai->dev->name, status);
3257 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3260 if (ai->list_bss_task)
3261 wake_up_process(ai->list_bss_task);
3262 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3263 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3265 if (down_trylock(&ai->sem) != 0) {
3266 set_bit(JOB_EVENT, &ai->jobs);
3267 wake_up_interruptible(&ai->thr_wait);
3269 airo_send_event(ai->dev);
3270 netif_carrier_on(ai->dev);
3271 } else if (!scan_forceloss) {
3272 if (auto_wep && !ai->expires) {
3273 ai->expires = RUN_AT(3*HZ);
3274 wake_up_interruptible(&ai->thr_wait);
3277 /* Send event to user space */
3278 eth_zero_addr(wrqu.ap_addr.sa_data);
3279 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3280 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3281 netif_carrier_off(ai->dev);
3283 netif_carrier_off(ai->dev);
3287 static void airo_handle_rx(struct airo_info *ai)
3289 struct sk_buff *skb = NULL;
3290 __le16 fc, v, *buffer, tmpbuf[4];
3291 u16 len, hdrlen = 0, gap, fid;
3295 if (test_bit(FLAG_MPI, &ai->flags)) {
3296 if (test_bit(FLAG_802_11, &ai->flags))
3297 mpi_receive_802_11(ai);
3299 mpi_receive_802_3(ai);
3300 OUT4500(ai, EVACK, EV_RX);
3304 fid = IN4500(ai, RXFID);
3306 /* Get the packet length */
3307 if (test_bit(FLAG_802_11, &ai->flags)) {
3308 bap_setup (ai, fid, 4, BAP0);
3309 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3310 /* Bad CRC. Ignore packet */
3311 if (le16_to_cpu(hdr.status) & 2)
3313 if (ai->wifidev == NULL)
3316 bap_setup(ai, fid, 0x36, BAP0);
3317 bap_read(ai, &hdr.len, 2, BAP0);
3319 len = le16_to_cpu(hdr.len);
3321 if (len > AIRO_DEF_MTU) {
3322 airo_print_err(ai->dev->name, "Bad size %d", len);
3328 if (test_bit(FLAG_802_11, &ai->flags)) {
3329 bap_read(ai, &fc, sizeof (fc), BAP0);
3330 hdrlen = header_len(fc);
3332 hdrlen = ETH_ALEN * 2;
3334 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3336 ai->dev->stats.rx_dropped++;
3340 skb_reserve(skb, 2); /* This way the IP header is aligned */
3341 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3342 if (test_bit(FLAG_802_11, &ai->flags)) {
3344 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3346 bap_read(ai, tmpbuf, 6, BAP0);
3348 bap_read(ai, &v, sizeof(v), BAP0);
3349 gap = le16_to_cpu(v);
3352 bap_read(ai, tmpbuf, gap, BAP0);
3354 airo_print_err(ai->dev->name, "gaplen too "
3355 "big. Problems will follow...");
3358 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3362 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3363 if (ai->micstats.enabled) {
3364 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3365 if (ntohs(micbuf.typelen) > 0x05DC)
3366 bap_setup(ai, fid, 0x44, BAP0);
3368 if (len <= sizeof (micbuf)) {
3369 dev_kfree_skb_irq(skb);
3373 len -= sizeof(micbuf);
3374 skb_trim(skb, len + hdrlen);
3378 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3379 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3380 dev_kfree_skb_irq (skb);
3386 if (success && (ai->spy_data.spy_number > 0)) {
3388 struct iw_quality wstats;
3390 /* Prepare spy data : addr + qual */
3391 if (!test_bit(FLAG_802_11, &ai->flags)) {
3392 sa = (char *) buffer + 6;
3393 bap_setup(ai, fid, 8, BAP0);
3394 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3396 sa = (char *) buffer + 10;
3397 wstats.qual = hdr.rssi[0];
3399 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3401 wstats.level = (hdr.rssi[1] + 321) / 2;
3402 wstats.noise = ai->wstats.qual.noise;
3403 wstats.updated = IW_QUAL_LEVEL_UPDATED
3404 | IW_QUAL_QUAL_UPDATED
3406 /* Update spy records */
3407 wireless_spy_update(ai->dev, sa, &wstats);
3409 #endif /* WIRELESS_SPY */
3412 OUT4500(ai, EVACK, EV_RX);
3415 if (test_bit(FLAG_802_11, &ai->flags)) {
3416 skb_reset_mac_header(skb);
3417 skb->pkt_type = PACKET_OTHERHOST;
3418 skb->dev = ai->wifidev;
3419 skb->protocol = htons(ETH_P_802_2);
3421 skb->protocol = eth_type_trans(skb, ai->dev);
3422 skb->ip_summed = CHECKSUM_NONE;
3428 static void airo_handle_tx(struct airo_info *ai, u16 status)
3430 int i, len = 0, index = -1;
3433 if (test_bit(FLAG_MPI, &ai->flags)) {
3434 unsigned long flags;
3436 if (status & EV_TXEXC)
3437 get_tx_error(ai, -1);
3439 spin_lock_irqsave(&ai->aux_lock, flags);
3440 if (!skb_queue_empty(&ai->txq)) {
3441 spin_unlock_irqrestore(&ai->aux_lock,flags);
3442 mpi_send_packet(ai->dev);
3444 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3445 spin_unlock_irqrestore(&ai->aux_lock,flags);
3446 netif_wake_queue(ai->dev);
3448 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3452 fid = IN4500(ai, TXCOMPLFID);
3454 for(i = 0; i < MAX_FIDS; i++) {
3455 if ((ai->fids[i] & 0xffff) == fid) {
3456 len = ai->fids[i] >> 16;
3462 if (status & EV_TXEXC)
3463 get_tx_error(ai, index);
3465 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3467 /* Set up to be used again */
3468 ai->fids[index] &= 0xffff;
3469 if (index < MAX_FIDS / 2) {
3470 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3471 netif_wake_queue(ai->dev);
3473 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3474 netif_wake_queue(ai->wifidev);
3477 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3478 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3482 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3484 struct net_device *dev = dev_id;
3485 u16 status, savedInterrupts = 0;
3486 struct airo_info *ai = dev->ml_priv;
3489 if (!netif_device_present(dev))
3493 status = IN4500(ai, EVSTAT);
3494 if (!(status & STATUS_INTS) || (status == 0xffff))
3499 if (status & EV_AWAKE) {
3500 OUT4500(ai, EVACK, EV_AWAKE);
3501 OUT4500(ai, EVACK, EV_AWAKE);
3504 if (!savedInterrupts) {
3505 savedInterrupts = IN4500(ai, EVINTEN);
3506 OUT4500(ai, EVINTEN, 0);
3509 if (status & EV_MIC) {
3510 OUT4500(ai, EVACK, EV_MIC);
3511 airo_handle_cisco_mic(ai);
3514 if (status & EV_LINK) {
3515 /* Link status changed */
3516 airo_handle_link(ai);
3519 /* Check to see if there is something to receive */
3523 /* Check to see if a packet has been transmitted */
3524 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3525 airo_handle_tx(ai, status);
3527 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3528 airo_print_warn(ai->dev->name, "Got weird status %x",
3529 status & ~STATUS_INTS & ~IGNORE_INTS );
3533 if (savedInterrupts)
3534 OUT4500(ai, EVINTEN, savedInterrupts);
3536 return IRQ_RETVAL(handled);
3540 * Routines to talk to the card
3544 * This was originally written for the 4500, hence the name
3545 * NOTE: If use with 8bit mode and SMP bad things will happen!
3546 * Why would some one do 8 bit IO in an SMP machine?!?
3548 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3549 if (test_bit(FLAG_MPI,&ai->flags))
3552 outw( val, ai->dev->base_addr + reg );
3554 outb( val & 0xff, ai->dev->base_addr + reg );
3555 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3559 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3562 if (test_bit(FLAG_MPI,&ai->flags))
3565 rc = inw( ai->dev->base_addr + reg );
3567 rc = inb( ai->dev->base_addr + reg );
3568 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3573 static int enable_MAC(struct airo_info *ai, int lock)
3579 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3580 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3581 * Note : we could try to use !netif_running(dev) in enable_MAC()
3582 * instead of this flag, but I don't trust it *within* the
3583 * open/close functions, and testing both flags together is
3584 * "cheaper" - Jean II */
3585 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3587 if (lock && down_interruptible(&ai->sem))
3588 return -ERESTARTSYS;
3590 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3591 memset(&cmd, 0, sizeof(cmd));
3592 cmd.cmd = MAC_ENABLE;
3593 rc = issuecommand(ai, &cmd, &rsp);
3595 set_bit(FLAG_ENABLED, &ai->flags);
3603 airo_print_err(ai->dev->name, "Cannot enable MAC");
3604 else if ((rsp.status & 0xFF00) != 0) {
3605 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3606 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3612 static void disable_MAC( struct airo_info *ai, int lock ) {
3616 if (lock && down_interruptible(&ai->sem))
3619 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3620 netif_carrier_off(ai->dev);
3621 memset(&cmd, 0, sizeof(cmd));
3622 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3623 issuecommand(ai, &cmd, &rsp);
3624 clear_bit(FLAG_ENABLED, &ai->flags);
3630 static void enable_interrupts( struct airo_info *ai ) {
3631 /* Enable the interrupts */
3632 OUT4500( ai, EVINTEN, STATUS_INTS );
3635 static void disable_interrupts( struct airo_info *ai ) {
3636 OUT4500( ai, EVINTEN, 0 );
3639 static void mpi_receive_802_3(struct airo_info *ai)
3643 struct sk_buff *skb;
3648 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3649 /* Make sure we got something */
3650 if (rxd.rdy && rxd.valid == 0) {
3652 if (len < 12 || len > 2048)
3655 skb = dev_alloc_skb(len);
3657 ai->dev->stats.rx_dropped++;
3660 buffer = skb_put(skb,len);
3661 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3662 if (ai->micstats.enabled) {
3664 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3666 if (ntohs(micbuf.typelen) <= 0x05DC) {
3667 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3670 off = sizeof(micbuf);
3671 skb_trim (skb, len - off);
3674 memcpy(buffer + ETH_ALEN * 2,
3675 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3676 len - ETH_ALEN * 2 - off);
3677 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3679 dev_kfree_skb_irq (skb);
3683 if (ai->spy_data.spy_number > 0) {
3685 struct iw_quality wstats;
3686 /* Prepare spy data : addr + qual */
3687 sa = buffer + ETH_ALEN;
3688 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3691 /* Update spy records */
3692 wireless_spy_update(ai->dev, sa, &wstats);
3694 #endif /* WIRELESS_SPY */
3696 skb->ip_summed = CHECKSUM_NONE;
3697 skb->protocol = eth_type_trans(skb, ai->dev);
3701 if (rxd.valid == 0) {
3705 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3709 static void mpi_receive_802_11(struct airo_info *ai)
3712 struct sk_buff *skb = NULL;
3713 u16 len, hdrlen = 0;
3718 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3720 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3721 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3723 /* Bad CRC. Ignore packet */
3724 if (le16_to_cpu(hdr.status) & 2)
3726 if (ai->wifidev == NULL)
3728 len = le16_to_cpu(hdr.len);
3729 if (len > AIRO_DEF_MTU) {
3730 airo_print_err(ai->dev->name, "Bad size %d", len);
3736 fc = get_unaligned((__le16 *)ptr);
3737 hdrlen = header_len(fc);
3739 skb = dev_alloc_skb( len + hdrlen + 2 );
3741 ai->dev->stats.rx_dropped++;
3744 buffer = (u16*)skb_put (skb, len + hdrlen);
3745 memcpy ((char *)buffer, ptr, hdrlen);
3749 gap = get_unaligned_le16(ptr);
3750 ptr += sizeof(__le16);
3755 airo_print_err(ai->dev->name,
3756 "gaplen too big. Problems will follow...");
3758 memcpy ((char *)buffer + hdrlen, ptr, len);
3760 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3761 if (ai->spy_data.spy_number > 0) {
3763 struct iw_quality wstats;
3764 /* Prepare spy data : addr + qual */
3765 sa = (char*)buffer + 10;
3766 wstats.qual = hdr.rssi[0];
3768 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3770 wstats.level = (hdr.rssi[1] + 321) / 2;
3771 wstats.noise = ai->wstats.qual.noise;
3772 wstats.updated = IW_QUAL_QUAL_UPDATED
3773 | IW_QUAL_LEVEL_UPDATED
3775 /* Update spy records */
3776 wireless_spy_update(ai->dev, sa, &wstats);
3778 #endif /* IW_WIRELESS_SPY */
3779 skb_reset_mac_header(skb);
3780 skb->pkt_type = PACKET_OTHERHOST;
3781 skb->dev = ai->wifidev;
3782 skb->protocol = htons(ETH_P_802_2);
3783 skb->ip_summed = CHECKSUM_NONE;
3787 if (rxd.valid == 0) {
3791 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3795 static inline void set_auth_type(struct airo_info *local, int auth_type)
3797 local->config.authType = auth_type;
3798 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3799 * Used by airo_set_auth()
3801 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3802 local->last_auth = auth_type;
3805 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3815 memset( &mySsid, 0, sizeof( mySsid ) );
3819 /* The NOP is the first step in getting the card going */
3821 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3822 if (lock && down_interruptible(&ai->sem))
3824 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3829 disable_MAC( ai, 0);
3831 // Let's figure out if we need to use the AUX port
3832 if (!test_bit(FLAG_MPI,&ai->flags)) {
3833 cmd.cmd = CMD_ENABLEAUX;
3834 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3837 airo_print_err(ai->dev->name, "Error checking for AUX port");
3840 if (!aux_bap || rsp.status & 0xff00) {
3841 ai->bap_read = fast_bap_read;
3842 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3844 ai->bap_read = aux_bap_read;
3845 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3850 if (ai->config.len == 0) {
3852 tdsRssiRid rssi_rid;
3853 CapabilityRid cap_rid;
3859 // general configuration (read/modify/write)
3860 status = readConfigRid(ai, lock);
3861 if ( status != SUCCESS ) return ERROR;
3863 status = readCapabilityRid(ai, &cap_rid, lock);
3864 if ( status != SUCCESS ) return ERROR;
3866 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3867 if ( status == SUCCESS ) {
3868 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3869 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3874 if (cap_rid.softCap & cpu_to_le16(8))
3875 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3877 airo_print_warn(ai->dev->name, "unknown received signal "
3880 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3881 set_auth_type(ai, AUTH_OPEN);
3882 ai->config.modulation = MOD_CCK;
3884 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3885 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3886 micsetup(ai) == SUCCESS) {
3887 ai->config.opmode |= MODE_MIC;
3888 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3891 /* Save off the MAC */
3892 for( i = 0; i < ETH_ALEN; i++ ) {
3893 mac[i] = ai->config.macAddr[i];
3896 /* Check to see if there are any insmod configured
3899 memset(ai->config.rates,0,sizeof(ai->config.rates));
3900 for( i = 0; i < 8 && rates[i]; i++ ) {
3901 ai->config.rates[i] = rates[i];
3904 set_bit (FLAG_COMMIT, &ai->flags);
3907 /* Setup the SSIDs if present */
3910 for( i = 0; i < 3 && ssids[i]; i++ ) {
3911 size_t len = strlen(ssids[i]);
3914 mySsid.ssids[i].len = cpu_to_le16(len);
3915 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3917 mySsid.len = cpu_to_le16(sizeof(mySsid));
3920 status = writeConfigRid(ai, lock);
3921 if ( status != SUCCESS ) return ERROR;
3923 /* Set up the SSID list */
3925 status = writeSsidRid(ai, &mySsid, lock);
3926 if ( status != SUCCESS ) return ERROR;
3929 status = enable_MAC(ai, lock);
3930 if (status != SUCCESS)
3933 /* Grab the initial wep key, we gotta save it for auto_wep */
3934 rc = readWepKeyRid(ai, &wkr, 1, lock);
3935 if (rc == SUCCESS) do {
3936 lastindex = wkr.kindex;
3937 if (wkr.kindex == cpu_to_le16(0xffff)) {
3938 ai->defindex = wkr.mac[0];
3940 rc = readWepKeyRid(ai, &wkr, 0, lock);
3941 } while(lastindex != wkr.kindex);
3948 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3949 // Im really paranoid about letting it run forever!
3950 int max_tries = 600000;
3952 if (IN4500(ai, EVSTAT) & EV_CMD)
3953 OUT4500(ai, EVACK, EV_CMD);
3955 OUT4500(ai, PARAM0, pCmd->parm0);
3956 OUT4500(ai, PARAM1, pCmd->parm1);
3957 OUT4500(ai, PARAM2, pCmd->parm2);
3958 OUT4500(ai, COMMAND, pCmd->cmd);
3960 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3961 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3962 // PC4500 didn't notice command, try again
3963 OUT4500(ai, COMMAND, pCmd->cmd);
3964 if (!in_atomic() && (max_tries & 255) == 0)
3968 if ( max_tries == -1 ) {
3969 airo_print_err(ai->dev->name,
3970 "Max tries exceeded when issuing command");
3971 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3972 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3976 // command completed
3977 pRsp->status = IN4500(ai, STATUS);
3978 pRsp->rsp0 = IN4500(ai, RESP0);
3979 pRsp->rsp1 = IN4500(ai, RESP1);
3980 pRsp->rsp2 = IN4500(ai, RESP2);
3981 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3982 airo_print_err(ai->dev->name,
3983 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3984 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3987 // clear stuck command busy if necessary
3988 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3989 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3991 // acknowledge processing the status/response
3992 OUT4500(ai, EVACK, EV_CMD);
3997 /* Sets up the bap to start exchange data. whichbap should
3998 * be one of the BAP0 or BAP1 defines. Locks should be held before
4000 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4005 OUT4500(ai, SELECT0+whichbap, rid);
4006 OUT4500(ai, OFFSET0+whichbap, offset);
4008 int status = IN4500(ai, OFFSET0+whichbap);
4009 if (status & BAP_BUSY) {
4010 /* This isn't really a timeout, but its kinda
4015 } else if ( status & BAP_ERR ) {
4016 /* invalid rid or offset */
4017 airo_print_err(ai->dev->name, "BAP error %x %d",
4020 } else if (status & BAP_DONE) { // success
4023 if ( !(max_tries--) ) {
4024 airo_print_err(ai->dev->name,
4025 "BAP setup error too many retries\n");
4028 // -- PC4500 missed it, try again
4029 OUT4500(ai, SELECT0+whichbap, rid);
4030 OUT4500(ai, OFFSET0+whichbap, offset);
4035 /* should only be called by aux_bap_read. This aux function and the
4036 following use concepts not documented in the developers guide. I
4037 got them from a patch given to my by Aironet */
4038 static u16 aux_setup(struct airo_info *ai, u16 page,
4039 u16 offset, u16 *len)
4043 OUT4500(ai, AUXPAGE, page);
4044 OUT4500(ai, AUXOFF, 0);
4045 next = IN4500(ai, AUXDATA);
4046 *len = IN4500(ai, AUXDATA)&0xff;
4047 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4051 /* requires call to bap_setup() first */
4052 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4053 int bytelen, int whichbap)
4061 unsigned long flags;
4063 spin_lock_irqsave(&ai->aux_lock, flags);
4064 page = IN4500(ai, SWS0+whichbap);
4065 offset = IN4500(ai, SWS2+whichbap);
4066 next = aux_setup(ai, page, offset, &len);
4067 words = (bytelen+1)>>1;
4069 for (i=0; i<words;) {
4071 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4073 insw( ai->dev->base_addr+DATA0+whichbap,
4076 insb( ai->dev->base_addr+DATA0+whichbap,
4077 pu16Dst+i, count << 1 );
4080 next = aux_setup(ai, next, 4, &len);
4083 spin_unlock_irqrestore(&ai->aux_lock, flags);
4088 /* requires call to bap_setup() first */
4089 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4090 int bytelen, int whichbap)
4092 bytelen = (bytelen + 1) & (~1); // round up to even value
4094 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4096 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4100 /* requires call to bap_setup() first */
4101 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4102 int bytelen, int whichbap)
4104 bytelen = (bytelen + 1) & (~1); // round up to even value
4106 outsw( ai->dev->base_addr+DATA0+whichbap,
4107 pu16Src, bytelen>>1 );
4109 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4113 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4115 Cmd cmd; /* for issuing commands */
4116 Resp rsp; /* response from commands */
4119 memset(&cmd, 0, sizeof(cmd));
4122 status = issuecommand(ai, &cmd, &rsp);
4123 if (status != 0) return status;
4124 if ( (rsp.status & 0x7F00) != 0) {
4125 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4130 /* Note, that we are using BAP1 which is also used by transmit, so
4131 * we must get a lock. */
4132 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4138 if (down_interruptible(&ai->sem))
4141 if (test_bit(FLAG_MPI,&ai->flags)) {
4145 memset(&cmd, 0, sizeof(cmd));
4146 memset(&rsp, 0, sizeof(rsp));
4147 ai->config_desc.rid_desc.valid = 1;
4148 ai->config_desc.rid_desc.len = RIDSIZE;
4149 ai->config_desc.rid_desc.rid = 0;
4150 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4152 cmd.cmd = CMD_ACCESS;
4155 memcpy_toio(ai->config_desc.card_ram_off,
4156 &ai->config_desc.rid_desc, sizeof(Rid));
4158 rc = issuecommand(ai, &cmd, &rsp);
4160 if (rsp.status & 0x7f00)
4163 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4166 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4170 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4174 // read the rid length field
4175 bap_read(ai, pBuf, 2, BAP1);
4176 // length for remaining part of rid
4177 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4180 airo_print_err(ai->dev->name,
4181 "Rid %x has a length of %d which is too short",
4182 (int)rid, (int)len );
4186 // read remainder of the rid
4187 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4195 /* Note, that we are using BAP1 which is also used by transmit, so
4196 * make sure this isn't called when a transmit is happening */
4197 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4198 const void *pBuf, int len, int lock)
4203 *(__le16*)pBuf = cpu_to_le16((u16)len);
4206 if (down_interruptible(&ai->sem))
4209 if (test_bit(FLAG_MPI,&ai->flags)) {
4213 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4214 airo_print_err(ai->dev->name,
4215 "%s: MAC should be disabled (rid=%04x)",
4217 memset(&cmd, 0, sizeof(cmd));
4218 memset(&rsp, 0, sizeof(rsp));
4220 ai->config_desc.rid_desc.valid = 1;
4221 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4222 ai->config_desc.rid_desc.rid = 0;
4224 cmd.cmd = CMD_WRITERID;
4227 memcpy_toio(ai->config_desc.card_ram_off,
4228 &ai->config_desc.rid_desc, sizeof(Rid));
4230 if (len < 4 || len > 2047) {
4231 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4234 memcpy(ai->config_desc.virtual_host_addr,
4237 rc = issuecommand(ai, &cmd, &rsp);
4238 if ((rc & 0xff00) != 0) {
4239 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4241 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4245 if ((rsp.status & 0x7f00))
4249 // --- first access so that we can write the rid data
4250 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4254 // --- now write the rid data
4255 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4259 bap_write(ai, pBuf, len, BAP1);
4260 // ---now commit the rid data
4261 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4269 /* Allocates a FID to be used for transmitting packets. We only use
4271 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4273 unsigned int loop = 3000;
4279 cmd.cmd = CMD_ALLOCATETX;
4280 cmd.parm0 = lenPayload;
4281 if (down_interruptible(&ai->sem))
4283 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4287 if ( (rsp.status & 0xFF00) != 0) {
4291 /* wait for the allocate event/indication
4292 * It makes me kind of nervous that this can just sit here and spin,
4293 * but in practice it only loops like four times. */
4294 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4300 // get the allocated fid and acknowledge
4301 txFid = IN4500(ai, TXALLOCFID);
4302 OUT4500(ai, EVACK, EV_ALLOC);
4304 /* The CARD is pretty cool since it converts the ethernet packet
4305 * into 802.11. Also note that we don't release the FID since we
4306 * will be using the same one over and over again. */
4307 /* We only have to setup the control once since we are not
4308 * releasing the fid. */
4310 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4311 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4313 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4314 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4315 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4318 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4326 /* In general BAP1 is dedicated to transmiting packets. However,
4327 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4328 Make sure the BAP1 spinlock is held when this is called. */
4329 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4340 if (len <= ETH_ALEN * 2) {
4341 airo_print_warn(ai->dev->name, "Short packet %d", len);
4344 len -= ETH_ALEN * 2;
4346 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4347 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4348 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4350 miclen = sizeof(pMic);
4352 // packet is destination[6], source[6], payload[len-12]
4353 // write the payload length and dst/src/payload
4354 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4355 /* The hardware addresses aren't counted as part of the payload, so
4356 * we have to subtract the 12 bytes for the addresses off */
4357 payloadLen = cpu_to_le16(len + miclen);
4358 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4359 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4361 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4362 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4363 // issue the transmit command
4364 memset( &cmd, 0, sizeof( cmd ) );
4365 cmd.cmd = CMD_TRANSMIT;
4367 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4368 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4372 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4374 __le16 fc, payloadLen;
4378 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4379 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4383 fc = *(__le16*)pPacket;
4384 hdrlen = header_len(fc);
4387 airo_print_warn(ai->dev->name, "Short packet %d", len);
4391 /* packet is 802.11 header + payload
4392 * write the payload length and dst/src/payload */
4393 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4394 /* The 802.11 header aren't counted as part of the payload, so
4395 * we have to subtract the header bytes off */
4396 payloadLen = cpu_to_le16(len-hdrlen);
4397 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4398 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4399 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4400 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4402 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4403 // issue the transmit command
4404 memset( &cmd, 0, sizeof( cmd ) );
4405 cmd.cmd = CMD_TRANSMIT;
4407 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4408 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4413 * This is the proc_fs routines. It is a bit messier than I would
4414 * like! Feel free to clean it up!
4417 static ssize_t proc_read( struct file *file,
4418 char __user *buffer,
4422 static ssize_t proc_write( struct file *file,
4423 const char __user *buffer,
4426 static int proc_close( struct inode *inode, struct file *file );
4428 static int proc_stats_open( struct inode *inode, struct file *file );
4429 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4430 static int proc_status_open( struct inode *inode, struct file *file );
4431 static int proc_SSID_open( struct inode *inode, struct file *file );
4432 static int proc_APList_open( struct inode *inode, struct file *file );
4433 static int proc_BSSList_open( struct inode *inode, struct file *file );
4434 static int proc_config_open( struct inode *inode, struct file *file );
4435 static int proc_wepkey_open( struct inode *inode, struct file *file );
4437 static const struct file_operations proc_statsdelta_ops = {
4438 .owner = THIS_MODULE,
4440 .open = proc_statsdelta_open,
4441 .release = proc_close,
4442 .llseek = default_llseek,
4445 static const struct file_operations proc_stats_ops = {
4446 .owner = THIS_MODULE,
4448 .open = proc_stats_open,
4449 .release = proc_close,
4450 .llseek = default_llseek,
4453 static const struct file_operations proc_status_ops = {
4454 .owner = THIS_MODULE,
4456 .open = proc_status_open,
4457 .release = proc_close,
4458 .llseek = default_llseek,
4461 static const struct file_operations proc_SSID_ops = {
4462 .owner = THIS_MODULE,
4464 .write = proc_write,
4465 .open = proc_SSID_open,
4466 .release = proc_close,
4467 .llseek = default_llseek,
4470 static const struct file_operations proc_BSSList_ops = {
4471 .owner = THIS_MODULE,
4473 .write = proc_write,
4474 .open = proc_BSSList_open,
4475 .release = proc_close,
4476 .llseek = default_llseek,
4479 static const struct file_operations proc_APList_ops = {
4480 .owner = THIS_MODULE,
4482 .write = proc_write,
4483 .open = proc_APList_open,
4484 .release = proc_close,
4485 .llseek = default_llseek,
4488 static const struct file_operations proc_config_ops = {
4489 .owner = THIS_MODULE,
4491 .write = proc_write,
4492 .open = proc_config_open,
4493 .release = proc_close,
4494 .llseek = default_llseek,
4497 static const struct file_operations proc_wepkey_ops = {
4498 .owner = THIS_MODULE,
4500 .write = proc_write,
4501 .open = proc_wepkey_open,
4502 .release = proc_close,
4503 .llseek = default_llseek,
4506 static struct proc_dir_entry *airo_entry;
4515 void (*on_close) (struct inode *, struct file *);
4518 static int setup_proc_entry( struct net_device *dev,
4519 struct airo_info *apriv ) {
4520 struct proc_dir_entry *entry;
4522 /* First setup the device directory */
4523 strcpy(apriv->proc_name,dev->name);
4524 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4526 if (!apriv->proc_entry)
4528 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4530 /* Setup the StatsDelta */
4531 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4532 apriv->proc_entry, &proc_statsdelta_ops, dev);
4535 proc_set_user(entry, proc_kuid, proc_kgid);
4537 /* Setup the Stats */
4538 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4539 apriv->proc_entry, &proc_stats_ops, dev);
4542 proc_set_user(entry, proc_kuid, proc_kgid);
4544 /* Setup the Status */
4545 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4546 apriv->proc_entry, &proc_status_ops, dev);
4549 proc_set_user(entry, proc_kuid, proc_kgid);
4551 /* Setup the Config */
4552 entry = proc_create_data("Config", proc_perm,
4553 apriv->proc_entry, &proc_config_ops, dev);
4556 proc_set_user(entry, proc_kuid, proc_kgid);
4558 /* Setup the SSID */
4559 entry = proc_create_data("SSID", proc_perm,
4560 apriv->proc_entry, &proc_SSID_ops, dev);
4563 proc_set_user(entry, proc_kuid, proc_kgid);
4565 /* Setup the APList */
4566 entry = proc_create_data("APList", proc_perm,
4567 apriv->proc_entry, &proc_APList_ops, dev);
4570 proc_set_user(entry, proc_kuid, proc_kgid);
4572 /* Setup the BSSList */
4573 entry = proc_create_data("BSSList", proc_perm,
4574 apriv->proc_entry, &proc_BSSList_ops, dev);
4577 proc_set_user(entry, proc_kuid, proc_kgid);
4579 /* Setup the WepKey */
4580 entry = proc_create_data("WepKey", proc_perm,
4581 apriv->proc_entry, &proc_wepkey_ops, dev);
4584 proc_set_user(entry, proc_kuid, proc_kgid);
4588 remove_proc_subtree(apriv->proc_name, airo_entry);
4592 static int takedown_proc_entry( struct net_device *dev,
4593 struct airo_info *apriv )
4595 remove_proc_subtree(apriv->proc_name, airo_entry);
4600 * What we want from the proc_fs is to be able to efficiently read
4601 * and write the configuration. To do this, we want to read the
4602 * configuration when the file is opened and write it when the file is
4603 * closed. So basically we allocate a read buffer at open and fill it
4604 * with data, and allocate a write buffer and read it at close.
4608 * The read routine is generic, it relies on the preallocated rbuffer
4609 * to supply the data.
4611 static ssize_t proc_read( struct file *file,
4612 char __user *buffer,
4616 struct proc_data *priv = file->private_data;
4621 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4626 * The write routine is generic, it fills in a preallocated rbuffer
4627 * to supply the data.
4629 static ssize_t proc_write( struct file *file,
4630 const char __user *buffer,
4635 struct proc_data *priv = file->private_data;
4640 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4643 priv->writelen = max_t(int, priv->writelen, *offset);
4648 static int proc_status_open(struct inode *inode, struct file *file)
4650 struct proc_data *data;
4651 struct net_device *dev = PDE_DATA(inode);
4652 struct airo_info *apriv = dev->ml_priv;
4653 CapabilityRid cap_rid;
4654 StatusRid status_rid;
4658 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4660 data = file->private_data;
4661 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4662 kfree (file->private_data);
4666 readStatusRid(apriv, &status_rid, 1);
4667 readCapabilityRid(apriv, &cap_rid, 1);
4669 mode = le16_to_cpu(status_rid.mode);
4671 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4672 mode & 1 ? "CFG ": "",
4673 mode & 2 ? "ACT ": "",
4674 mode & 0x10 ? "SYN ": "",
4675 mode & 0x20 ? "LNK ": "",
4676 mode & 0x40 ? "LEAP ": "",
4677 mode & 0x80 ? "PRIV ": "",
4678 mode & 0x100 ? "KEY ": "",
4679 mode & 0x200 ? "WEP ": "",
4680 mode & 0x8000 ? "ERR ": "");
4681 sprintf( data->rbuffer+i, "Mode: %x\n"
4682 "Signal Strength: %d\n"
4683 "Signal Quality: %d\n"
4688 "Driver Version: %s\n"
4689 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4690 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4691 "Software Version: %x\nSoftware Subversion: %x\n"
4692 "Boot block version: %x\n",
4693 le16_to_cpu(status_rid.mode),
4694 le16_to_cpu(status_rid.normalizedSignalStrength),
4695 le16_to_cpu(status_rid.signalQuality),
4696 le16_to_cpu(status_rid.SSIDlen),
4699 le16_to_cpu(status_rid.channel),
4700 le16_to_cpu(status_rid.currentXmitRate) / 2,
4705 le16_to_cpu(cap_rid.radioType),
4706 le16_to_cpu(cap_rid.country),
4707 le16_to_cpu(cap_rid.hardVer),
4708 le16_to_cpu(cap_rid.softVer),
4709 le16_to_cpu(cap_rid.softSubVer),
4710 le16_to_cpu(cap_rid.bootBlockVer));
4711 data->readlen = strlen( data->rbuffer );
4715 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4716 static int proc_statsdelta_open( struct inode *inode,
4717 struct file *file ) {
4718 if (file->f_mode&FMODE_WRITE) {
4719 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4721 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4724 static int proc_stats_open( struct inode *inode, struct file *file ) {
4725 return proc_stats_rid_open(inode, file, RID_STATS);
4728 static int proc_stats_rid_open( struct inode *inode,
4732 struct proc_data *data;
4733 struct net_device *dev = PDE_DATA(inode);
4734 struct airo_info *apriv = dev->ml_priv;
4737 __le32 *vals = stats.vals;
4740 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4742 data = file->private_data;
4743 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4744 kfree (file->private_data);
4748 readStatsRid(apriv, &stats, rid, 1);
4749 len = le16_to_cpu(stats.len);
4752 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4753 if (!statsLabels[i]) continue;
4754 if (j+strlen(statsLabels[i])+16>4096) {
4755 airo_print_warn(apriv->dev->name,
4756 "Potentially disastrous buffer overflow averted!");
4759 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4760 le32_to_cpu(vals[i]));
4763 airo_print_warn(apriv->dev->name, "Got a short rid");
4769 static int get_dec_u16( char *buffer, int *start, int limit ) {
4772 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4773 buffer[*start] <= '9'; (*start)++) {
4776 value += buffer[*start] - '0';
4778 if ( !valid ) return -1;
4782 static int airo_config_commit(struct net_device *dev,
4783 struct iw_request_info *info, void *zwrq,
4786 static inline int sniffing_mode(struct airo_info *ai)
4788 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4789 le16_to_cpu(RXMODE_RFMON);
4792 static void proc_config_on_close(struct inode *inode, struct file *file)
4794 struct proc_data *data = file->private_data;
4795 struct net_device *dev = PDE_DATA(inode);
4796 struct airo_info *ai = dev->ml_priv;
4799 if ( !data->writelen ) return;
4801 readConfigRid(ai, 1);
4802 set_bit (FLAG_COMMIT, &ai->flags);
4804 line = data->wbuffer;
4806 /*** Mode processing */
4807 if ( !strncmp( line, "Mode: ", 6 ) ) {
4809 if (sniffing_mode(ai))
4810 set_bit (FLAG_RESET, &ai->flags);
4811 ai->config.rmode &= ~RXMODE_FULL_MASK;
4812 clear_bit (FLAG_802_11, &ai->flags);
4813 ai->config.opmode &= ~MODE_CFG_MASK;
4814 ai->config.scanMode = SCANMODE_ACTIVE;
4815 if ( line[0] == 'a' ) {
4816 ai->config.opmode |= MODE_STA_IBSS;
4818 ai->config.opmode |= MODE_STA_ESS;
4819 if ( line[0] == 'r' ) {
4820 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4821 ai->config.scanMode = SCANMODE_PASSIVE;
4822 set_bit (FLAG_802_11, &ai->flags);
4823 } else if ( line[0] == 'y' ) {
4824 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4825 ai->config.scanMode = SCANMODE_PASSIVE;
4826 set_bit (FLAG_802_11, &ai->flags);
4827 } else if ( line[0] == 'l' )
4828 ai->config.rmode |= RXMODE_LANMON;
4830 set_bit (FLAG_COMMIT, &ai->flags);
4833 /*** Radio status */
4834 else if (!strncmp(line,"Radio: ", 7)) {
4836 if (!strncmp(line,"off",3)) {
4837 set_bit (FLAG_RADIO_OFF, &ai->flags);
4839 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4842 /*** NodeName processing */
4843 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4847 memset( ai->config.nodeName, 0, 16 );
4848 /* Do the name, assume a space between the mode and node name */
4849 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4850 ai->config.nodeName[j] = line[j];
4852 set_bit (FLAG_COMMIT, &ai->flags);
4855 /*** PowerMode processing */
4856 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4858 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4859 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4860 set_bit (FLAG_COMMIT, &ai->flags);
4861 } else if ( !strncmp( line, "PSP", 3 ) ) {
4862 ai->config.powerSaveMode = POWERSAVE_PSP;
4863 set_bit (FLAG_COMMIT, &ai->flags);
4865 ai->config.powerSaveMode = POWERSAVE_CAM;
4866 set_bit (FLAG_COMMIT, &ai->flags);
4868 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4869 int v, i = 0, k = 0; /* i is index into line,
4870 k is index to rates */
4873 while((v = get_dec_u16(line, &i, 3))!=-1) {
4874 ai->config.rates[k++] = (u8)v;
4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4882 v = get_dec_u16(line, &i, i+3);
4884 ai->config.channelSet = cpu_to_le16(v);
4885 set_bit (FLAG_COMMIT, &ai->flags);
4887 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4890 v = get_dec_u16(line, &i, i+3);
4892 ai->config.txPower = cpu_to_le16(v);
4893 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4899 set_auth_type(ai, AUTH_SHAREDKEY);
4902 set_auth_type(ai, AUTH_ENCRYPT);
4905 set_auth_type(ai, AUTH_OPEN);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4913 v = get_dec_u16(line, &i, 3);
4914 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4915 ai->config.longRetryLimit = cpu_to_le16(v);
4916 set_bit (FLAG_COMMIT, &ai->flags);
4917 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4921 v = get_dec_u16(line, &i, 3);
4922 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4923 ai->config.shortRetryLimit = cpu_to_le16(v);
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4929 v = get_dec_u16(line, &i, 4);
4930 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4931 ai->config.rtsThres = cpu_to_le16(v);
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4937 v = get_dec_u16(line, &i, 5);
4939 ai->config.txLifetime = cpu_to_le16(v);
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4945 v = get_dec_u16(line, &i, 5);
4947 ai->config.rxLifetime = cpu_to_le16(v);
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4950 ai->config.txDiversity =
4951 (line[13]=='l') ? 1 :
4952 ((line[13]=='r')? 2: 3);
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4955 ai->config.rxDiversity =
4956 (line[13]=='l') ? 1 :
4957 ((line[13]=='r')? 2: 3);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4963 v = get_dec_u16(line, &i, 4);
4964 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4965 v = v & 0xfffe; /* Make sure its even */
4966 ai->config.fragThresh = cpu_to_le16(v);
4967 set_bit (FLAG_COMMIT, &ai->flags);
4968 } else if (!strncmp(line, "Modulation: ", 12)) {
4971 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4972 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4974 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4976 } else if (!strncmp(line, "Preamble: ", 10)) {
4979 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4982 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4985 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4987 while( line[0] && line[0] != '\n' ) line++;
4988 if ( line[0] ) line++;
4990 airo_config_commit(dev, NULL, NULL, NULL);
4993 static const char *get_rmode(__le16 mode)
4995 switch(mode & RXMODE_MASK) {
4996 case RXMODE_RFMON: return "rfmon";
4997 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4998 case RXMODE_LANMON: return "lanmon";
5003 static int proc_config_open(struct inode *inode, struct file *file)
5005 struct proc_data *data;
5006 struct net_device *dev = PDE_DATA(inode);
5007 struct airo_info *ai = dev->ml_priv;
5011 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5013 data = file->private_data;
5014 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5015 kfree (file->private_data);
5018 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5019 kfree (data->rbuffer);
5020 kfree (file->private_data);
5023 data->maxwritelen = 2048;
5024 data->on_close = proc_config_on_close;
5026 readConfigRid(ai, 1);
5028 mode = ai->config.opmode & MODE_CFG_MASK;
5029 i = sprintf( data->rbuffer,
5034 "DataRates: %d %d %d %d %d %d %d %d\n"
5037 mode == MODE_STA_IBSS ? "adhoc" :
5038 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5039 mode == MODE_AP ? "AP" :
5040 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5041 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5042 ai->config.nodeName,
5043 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5044 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5045 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5047 (int)ai->config.rates[0],
5048 (int)ai->config.rates[1],
5049 (int)ai->config.rates[2],
5050 (int)ai->config.rates[3],
5051 (int)ai->config.rates[4],
5052 (int)ai->config.rates[5],
5053 (int)ai->config.rates[6],
5054 (int)ai->config.rates[7],
5055 le16_to_cpu(ai->config.channelSet),
5056 le16_to_cpu(ai->config.txPower)
5058 sprintf( data->rbuffer + i,
5059 "LongRetryLimit: %d\n"
5060 "ShortRetryLimit: %d\n"
5061 "RTSThreshold: %d\n"
5062 "TXMSDULifetime: %d\n"
5063 "RXMSDULifetime: %d\n"
5066 "FragThreshold: %d\n"
5070 le16_to_cpu(ai->config.longRetryLimit),
5071 le16_to_cpu(ai->config.shortRetryLimit),
5072 le16_to_cpu(ai->config.rtsThres),
5073 le16_to_cpu(ai->config.txLifetime),
5074 le16_to_cpu(ai->config.rxLifetime),
5075 ai->config.txDiversity == 1 ? "left" :
5076 ai->config.txDiversity == 2 ? "right" : "both",
5077 ai->config.rxDiversity == 1 ? "left" :
5078 ai->config.rxDiversity == 2 ? "right" : "both",
5079 le16_to_cpu(ai->config.fragThresh),
5080 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5081 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5082 ai->config.modulation == MOD_DEFAULT ? "default" :
5083 ai->config.modulation == MOD_CCK ? "cck" :
5084 ai->config.modulation == MOD_MOK ? "mok" : "error",
5085 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5086 ai->config.preamble == PREAMBLE_LONG ? "long" :
5087 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5089 data->readlen = strlen( data->rbuffer );
5093 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5095 struct proc_data *data = file->private_data;
5096 struct net_device *dev = PDE_DATA(inode);
5097 struct airo_info *ai = dev->ml_priv;
5100 char *p = data->wbuffer;
5101 char *end = p + data->writelen;
5103 if (!data->writelen)
5106 *end = '\n'; /* sentinel; we have space for it */
5108 memset(&SSID_rid, 0, sizeof(SSID_rid));
5110 for (i = 0; i < 3 && p < end; i++) {
5112 /* copy up to 32 characters from this line */
5113 while (*p != '\n' && j < 32)
5114 SSID_rid.ssids[i].ssid[j++] = *p++;
5117 SSID_rid.ssids[i].len = cpu_to_le16(j);
5118 /* skip to the beginning of the next line */
5119 while (*p++ != '\n')
5123 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5125 writeSsidRid(ai, &SSID_rid, 1);
5129 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5130 struct proc_data *data = file->private_data;
5131 struct net_device *dev = PDE_DATA(inode);
5132 struct airo_info *ai = dev->ml_priv;
5133 APListRid APList_rid;
5136 if ( !data->writelen ) return;
5138 memset( &APList_rid, 0, sizeof(APList_rid) );
5139 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5141 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5143 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5146 APList_rid.ap[i][j/3]=
5147 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5150 APList_rid.ap[i][j/3]|=
5151 hex_to_bin(data->wbuffer[j+i*6*3]);
5157 writeAPListRid(ai, &APList_rid, 1);
5161 /* This function wraps PC4500_writerid with a MAC disable */
5162 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5163 int len, int dummy ) {
5167 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5172 /* Returns the WEP key at the specified index, or -1 if that key does
5173 * not exist. The buffer is assumed to be at least 16 bytes in length.
5175 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5181 rc = readWepKeyRid(ai, &wkr, 1, 1);
5185 lastindex = wkr.kindex;
5186 if (le16_to_cpu(wkr.kindex) == index) {
5187 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5188 memcpy(buf, wkr.key, klen);
5191 rc = readWepKeyRid(ai, &wkr, 0, 1);
5194 } while (lastindex != wkr.kindex);
5198 static int get_wep_tx_idx(struct airo_info *ai)
5204 rc = readWepKeyRid(ai, &wkr, 1, 1);
5208 lastindex = wkr.kindex;
5209 if (wkr.kindex == cpu_to_le16(0xffff))
5211 rc = readWepKeyRid(ai, &wkr, 0, 1);
5214 } while (lastindex != wkr.kindex);
5218 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5219 u16 keylen, int perm, int lock)
5221 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5225 if (WARN_ON(keylen == 0))
5228 memset(&wkr, 0, sizeof(wkr));
5229 wkr.len = cpu_to_le16(sizeof(wkr));
5230 wkr.kindex = cpu_to_le16(index);
5231 wkr.klen = cpu_to_le16(keylen);
5232 memcpy(wkr.key, key, keylen);
5233 memcpy(wkr.mac, macaddr, ETH_ALEN);
5235 if (perm) disable_MAC(ai, lock);
5236 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5237 if (perm) enable_MAC(ai, lock);
5241 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5246 memset(&wkr, 0, sizeof(wkr));
5247 wkr.len = cpu_to_le16(sizeof(wkr));
5248 wkr.kindex = cpu_to_le16(0xffff);
5249 wkr.mac[0] = (char)index;
5252 ai->defindex = (char)index;
5253 disable_MAC(ai, lock);
5256 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5259 enable_MAC(ai, lock);
5263 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5264 struct proc_data *data;
5265 struct net_device *dev = PDE_DATA(inode);
5266 struct airo_info *ai = dev->ml_priv;
5272 memset(key, 0, sizeof(key));
5274 data = file->private_data;
5275 if ( !data->writelen ) return;
5277 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5278 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5279 index = data->wbuffer[0] - '0';
5280 if (data->wbuffer[1] == '\n') {
5281 rc = set_wep_tx_idx(ai, index, 1, 1);
5283 airo_print_err(ai->dev->name, "failed to set "
5284 "WEP transmit index to %d: %d.",
5291 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5295 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5298 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5301 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5306 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5308 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5309 "%d: %d.", index, rc);
5313 static int proc_wepkey_open( struct inode *inode, struct file *file )
5315 struct proc_data *data;
5316 struct net_device *dev = PDE_DATA(inode);
5317 struct airo_info *ai = dev->ml_priv;
5324 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5326 memset(&wkr, 0, sizeof(wkr));
5327 data = file->private_data;
5328 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5329 kfree (file->private_data);
5333 data->maxwritelen = 80;
5334 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5335 kfree (data->rbuffer);
5336 kfree (file->private_data);
5339 data->on_close = proc_wepkey_on_close;
5341 ptr = data->rbuffer;
5342 strcpy(ptr, "No wep keys\n");
5343 rc = readWepKeyRid(ai, &wkr, 1, 1);
5344 if (rc == SUCCESS) do {
5345 lastindex = wkr.kindex;
5346 if (wkr.kindex == cpu_to_le16(0xffff)) {
5347 j += sprintf(ptr+j, "Tx key = %d\n",
5350 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5351 le16_to_cpu(wkr.kindex),
5352 le16_to_cpu(wkr.klen));
5354 readWepKeyRid(ai, &wkr, 0, 1);
5355 } while((lastindex != wkr.kindex) && (j < 180-30));
5357 data->readlen = strlen( data->rbuffer );
5361 static int proc_SSID_open(struct inode *inode, struct file *file)
5363 struct proc_data *data;
5364 struct net_device *dev = PDE_DATA(inode);
5365 struct airo_info *ai = dev->ml_priv;
5370 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5372 data = file->private_data;
5373 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5374 kfree (file->private_data);
5378 data->maxwritelen = 33*3;
5379 /* allocate maxwritelen + 1; we'll want a sentinel */
5380 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5381 kfree (data->rbuffer);
5382 kfree (file->private_data);
5385 data->on_close = proc_SSID_on_close;
5387 readSsidRid(ai, &SSID_rid);
5388 ptr = data->rbuffer;
5389 for (i = 0; i < 3; i++) {
5391 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5396 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5397 *ptr++ = SSID_rid.ssids[i].ssid[j];
5401 data->readlen = strlen( data->rbuffer );
5405 static int proc_APList_open( struct inode *inode, struct file *file ) {
5406 struct proc_data *data;
5407 struct net_device *dev = PDE_DATA(inode);
5408 struct airo_info *ai = dev->ml_priv;
5411 APListRid APList_rid;
5413 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5415 data = file->private_data;
5416 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5417 kfree (file->private_data);
5421 data->maxwritelen = 4*6*3;
5422 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5423 kfree (data->rbuffer);
5424 kfree (file->private_data);
5427 data->on_close = proc_APList_on_close;
5429 readAPListRid(ai, &APList_rid);
5430 ptr = data->rbuffer;
5431 for( i = 0; i < 4; i++ ) {
5432 // We end when we find a zero MAC
5433 if ( !*(int*)APList_rid.ap[i] &&
5434 !*(int*)&APList_rid.ap[i][2]) break;
5435 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5437 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5440 data->readlen = strlen( data->rbuffer );
5444 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5445 struct proc_data *data;
5446 struct net_device *dev = PDE_DATA(inode);
5447 struct airo_info *ai = dev->ml_priv;
5449 BSSListRid BSSList_rid;
5451 /* If doLoseSync is not 1, we won't do a Lose Sync */
5452 int doLoseSync = -1;
5454 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5456 data = file->private_data;
5457 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5458 kfree (file->private_data);
5462 data->maxwritelen = 0;
5463 data->wbuffer = NULL;
5464 data->on_close = NULL;
5466 if (file->f_mode & FMODE_WRITE) {
5467 if (!(file->f_mode & FMODE_READ)) {
5471 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5472 memset(&cmd, 0, sizeof(cmd));
5473 cmd.cmd=CMD_LISTBSS;
5474 if (down_interruptible(&ai->sem))
5475 return -ERESTARTSYS;
5476 issuecommand(ai, &cmd, &rsp);
5483 ptr = data->rbuffer;
5484 /* There is a race condition here if there are concurrent opens.
5485 Since it is a rare condition, we'll just live with it, otherwise
5486 we have to add a spin lock... */
5487 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5488 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5489 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5491 (int)BSSList_rid.ssidLen,
5493 le16_to_cpu(BSSList_rid.dBm));
5494 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5495 le16_to_cpu(BSSList_rid.dsChannel),
5496 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5497 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5498 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5499 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5500 rc = readBSSListRid(ai, 0, &BSSList_rid);
5503 data->readlen = strlen( data->rbuffer );
5507 static int proc_close( struct inode *inode, struct file *file )
5509 struct proc_data *data = file->private_data;
5511 if (data->on_close != NULL)
5512 data->on_close(inode, file);
5513 kfree(data->rbuffer);
5514 kfree(data->wbuffer);
5519 /* Since the card doesn't automatically switch to the right WEP mode,
5520 we will make it do it. If the card isn't associated, every secs we
5521 will switch WEP modes to see if that will help. If the card is
5522 associated we will check every minute to see if anything has
5524 static void timer_func( struct net_device *dev ) {
5525 struct airo_info *apriv = dev->ml_priv;
5527 /* We don't have a link so try changing the authtype */
5528 readConfigRid(apriv, 0);
5529 disable_MAC(apriv, 0);
5530 switch(apriv->config.authType) {
5532 /* So drop to OPEN */
5533 apriv->config.authType = AUTH_OPEN;
5535 case AUTH_SHAREDKEY:
5536 if (apriv->keyindex < auto_wep) {
5537 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5538 apriv->config.authType = AUTH_SHAREDKEY;
5541 /* Drop to ENCRYPT */
5542 apriv->keyindex = 0;
5543 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5544 apriv->config.authType = AUTH_ENCRYPT;
5547 default: /* We'll escalate to SHAREDKEY */
5548 apriv->config.authType = AUTH_SHAREDKEY;
5550 set_bit (FLAG_COMMIT, &apriv->flags);
5551 writeConfigRid(apriv, 0);
5552 enable_MAC(apriv, 0);
5555 /* Schedule check to see if the change worked */
5556 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5557 apriv->expires = RUN_AT(HZ*3);
5561 static int airo_pci_probe(struct pci_dev *pdev,
5562 const struct pci_device_id *pent)
5564 struct net_device *dev;
5566 if (pci_enable_device(pdev))
5568 pci_set_master(pdev);
5570 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5571 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5573 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5575 pci_disable_device(pdev);
5579 pci_set_drvdata(pdev, dev);
5583 static void airo_pci_remove(struct pci_dev *pdev)
5585 struct net_device *dev = pci_get_drvdata(pdev);
5587 airo_print_info(dev->name, "Unregistering...");
5588 stop_airo_card(dev, 1);
5589 pci_disable_device(pdev);
5592 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5594 struct net_device *dev = pci_get_drvdata(pdev);
5595 struct airo_info *ai = dev->ml_priv;
5600 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5604 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5607 readAPListRid(ai, ai->APList);
5608 readSsidRid(ai, ai->SSID);
5609 memset(&cmd, 0, sizeof(cmd));
5610 /* the lock will be released at the end of the resume callback */
5611 if (down_interruptible(&ai->sem))
5614 netif_device_detach(dev);
5616 cmd.cmd = HOSTSLEEP;
5617 issuecommand(ai, &cmd, &rsp);
5619 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5620 pci_save_state(pdev);
5621 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5625 static int airo_pci_resume(struct pci_dev *pdev)
5627 struct net_device *dev = pci_get_drvdata(pdev);
5628 struct airo_info *ai = dev->ml_priv;
5629 pci_power_t prev_state = pdev->current_state;
5631 pci_set_power_state(pdev, PCI_D0);
5632 pci_restore_state(pdev);
5633 pci_enable_wake(pdev, PCI_D0, 0);
5635 if (prev_state != PCI_D1) {
5637 mpi_init_descriptors(ai);
5638 setup_card(ai, dev->dev_addr, 0);
5639 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5640 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5642 OUT4500(ai, EVACK, EV_AWAKEN);
5643 OUT4500(ai, EVACK, EV_AWAKEN);
5647 set_bit(FLAG_COMMIT, &ai->flags);
5651 writeSsidRid(ai, ai->SSID, 0);
5656 writeAPListRid(ai, ai->APList, 0);
5660 writeConfigRid(ai, 0);
5662 ai->power = PMSG_ON;
5663 netif_device_attach(dev);
5664 netif_wake_queue(dev);
5665 enable_interrupts(ai);
5671 static int __init airo_init_module( void )
5675 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5676 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5677 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5680 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5683 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5685 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5686 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5687 "io=0x%x", irq[i], io[i] );
5688 if (init_airo_card( irq[i], io[i], 0, NULL ))
5693 airo_print_info("", "Probing for PCI adapters");
5694 i = pci_register_driver(&airo_driver);
5695 airo_print_info("", "Finished probing for PCI adapters");
5698 remove_proc_entry("driver/aironet", NULL);
5703 /* Always exit with success, as we are a library module
5704 * as well as a driver module
5709 static void __exit airo_cleanup_module( void )
5711 struct airo_info *ai;
5712 while(!list_empty(&airo_devices)) {
5713 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5714 airo_print_info(ai->dev->name, "Unregistering...");
5715 stop_airo_card(ai->dev, 1);
5718 pci_unregister_driver(&airo_driver);
5720 remove_proc_entry("driver/aironet", NULL);
5724 * Initial Wireless Extension code for Aironet driver by :
5725 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5726 * Conversion to new driver API by :
5727 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5728 * Javier also did a good amount of work here, adding some new extensions
5729 * and fixing my code. Let's just say that without him this code just
5730 * would not work at all... - Jean II
5733 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5738 return (0x100 - rssi_rid[rssi].rssidBm);
5741 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5748 for (i = 0; i < 256; i++)
5749 if (rssi_rid[i].rssidBm == dbm)
5750 return rssi_rid[i].rssipct;
5756 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5761 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5764 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5767 sq = le16_to_cpu(status_rid->signalQuality);
5768 if (memcmp(cap_rid->prodName, "350", 3))
5772 quality = 0x20 - sq;
5779 quality = 0xb0 - sq;
5783 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5784 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5786 /*------------------------------------------------------------------*/
5788 * Wireless Handler : get protocol name
5790 static int airo_get_name(struct net_device *dev,
5791 struct iw_request_info *info,
5795 strcpy(cwrq, "IEEE 802.11-DS");
5799 /*------------------------------------------------------------------*/
5801 * Wireless Handler : set frequency
5803 static int airo_set_freq(struct net_device *dev,
5804 struct iw_request_info *info,
5805 struct iw_freq *fwrq,
5808 struct airo_info *local = dev->ml_priv;
5809 int rc = -EINPROGRESS; /* Call commit handler */
5811 /* If setting by frequency, convert to a channel */
5813 int f = fwrq->m / 100000;
5815 /* Hack to fall through... */
5817 fwrq->m = ieee80211_frequency_to_channel(f);
5819 /* Setting by channel number */
5820 if((fwrq->m > 1000) || (fwrq->e > 0))
5823 int channel = fwrq->m;
5824 /* We should do a better check than that,
5825 * based on the card capability !!! */
5826 if((channel < 1) || (channel > 14)) {
5827 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5831 readConfigRid(local, 1);
5832 /* Yes ! We can set it !!! */
5833 local->config.channelSet = cpu_to_le16(channel);
5834 set_bit (FLAG_COMMIT, &local->flags);
5840 /*------------------------------------------------------------------*/
5842 * Wireless Handler : get frequency
5844 static int airo_get_freq(struct net_device *dev,
5845 struct iw_request_info *info,
5846 struct iw_freq *fwrq,
5849 struct airo_info *local = dev->ml_priv;
5850 StatusRid status_rid; /* Card status info */
5853 readConfigRid(local, 1);
5854 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5855 status_rid.channel = local->config.channelSet;
5857 readStatusRid(local, &status_rid, 1);
5859 ch = le16_to_cpu(status_rid.channel);
5860 if((ch > 0) && (ch < 15)) {
5862 ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5872 /*------------------------------------------------------------------*/
5874 * Wireless Handler : set ESSID
5876 static int airo_set_essid(struct net_device *dev,
5877 struct iw_request_info *info,
5878 struct iw_point *dwrq,
5881 struct airo_info *local = dev->ml_priv;
5882 SsidRid SSID_rid; /* SSIDs */
5884 /* Reload the list of current SSID */
5885 readSsidRid(local, &SSID_rid);
5887 /* Check if we asked for `any' */
5888 if (dwrq->flags == 0) {
5889 /* Just send an empty SSID list */
5890 memset(&SSID_rid, 0, sizeof(SSID_rid));
5892 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5894 /* Check the size of the string */
5895 if (dwrq->length > IW_ESSID_MAX_SIZE)
5898 /* Check if index is valid */
5899 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5903 memset(SSID_rid.ssids[index].ssid, 0,
5904 sizeof(SSID_rid.ssids[index].ssid));
5905 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5906 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5908 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5909 /* Write it to the card */
5910 disable_MAC(local, 1);
5911 writeSsidRid(local, &SSID_rid, 1);
5912 enable_MAC(local, 1);
5917 /*------------------------------------------------------------------*/
5919 * Wireless Handler : get ESSID
5921 static int airo_get_essid(struct net_device *dev,
5922 struct iw_request_info *info,
5923 struct iw_point *dwrq,
5926 struct airo_info *local = dev->ml_priv;
5927 StatusRid status_rid; /* Card status info */
5929 readStatusRid(local, &status_rid, 1);
5931 /* Note : if dwrq->flags != 0, we should
5932 * get the relevant SSID from the SSID list... */
5934 /* Get the current SSID */
5935 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5936 /* If none, we may want to get the one that was set */
5939 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5940 dwrq->flags = 1; /* active */
5945 /*------------------------------------------------------------------*/
5947 * Wireless Handler : set AP address
5949 static int airo_set_wap(struct net_device *dev,
5950 struct iw_request_info *info,
5951 struct sockaddr *awrq,
5954 struct airo_info *local = dev->ml_priv;
5957 APListRid APList_rid;
5959 if (awrq->sa_family != ARPHRD_ETHER)
5961 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5962 is_zero_ether_addr(awrq->sa_data)) {
5963 memset(&cmd, 0, sizeof(cmd));
5964 cmd.cmd=CMD_LOSE_SYNC;
5965 if (down_interruptible(&local->sem))
5966 return -ERESTARTSYS;
5967 issuecommand(local, &cmd, &rsp);
5970 memset(&APList_rid, 0, sizeof(APList_rid));
5971 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5972 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5973 disable_MAC(local, 1);
5974 writeAPListRid(local, &APList_rid, 1);
5975 enable_MAC(local, 1);
5980 /*------------------------------------------------------------------*/
5982 * Wireless Handler : get AP address
5984 static int airo_get_wap(struct net_device *dev,
5985 struct iw_request_info *info,
5986 struct sockaddr *awrq,
5989 struct airo_info *local = dev->ml_priv;
5990 StatusRid status_rid; /* Card status info */
5992 readStatusRid(local, &status_rid, 1);
5994 /* Tentative. This seems to work, wow, I'm lucky !!! */
5995 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5996 awrq->sa_family = ARPHRD_ETHER;
6001 /*------------------------------------------------------------------*/
6003 * Wireless Handler : set Nickname
6005 static int airo_set_nick(struct net_device *dev,
6006 struct iw_request_info *info,
6007 struct iw_point *dwrq,
6010 struct airo_info *local = dev->ml_priv;
6012 /* Check the size of the string */
6013 if(dwrq->length > 16) {
6016 readConfigRid(local, 1);
6017 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6018 memcpy(local->config.nodeName, extra, dwrq->length);
6019 set_bit (FLAG_COMMIT, &local->flags);
6021 return -EINPROGRESS; /* Call commit handler */
6024 /*------------------------------------------------------------------*/
6026 * Wireless Handler : get Nickname
6028 static int airo_get_nick(struct net_device *dev,
6029 struct iw_request_info *info,
6030 struct iw_point *dwrq,
6033 struct airo_info *local = dev->ml_priv;
6035 readConfigRid(local, 1);
6036 strncpy(extra, local->config.nodeName, 16);
6038 dwrq->length = strlen(extra);
6043 /*------------------------------------------------------------------*/
6045 * Wireless Handler : set Bit-Rate
6047 static int airo_set_rate(struct net_device *dev,
6048 struct iw_request_info *info,
6049 struct iw_param *vwrq,
6052 struct airo_info *local = dev->ml_priv;
6053 CapabilityRid cap_rid; /* Card capability info */
6057 /* First : get a valid bit rate value */
6058 readCapabilityRid(local, &cap_rid, 1);
6060 /* Which type of value ? */
6061 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6062 /* Setting by rate index */
6063 /* Find value in the magic rate table */
6064 brate = cap_rid.supportedRates[vwrq->value];
6066 /* Setting by frequency value */
6067 u8 normvalue = (u8) (vwrq->value/500000);
6069 /* Check if rate is valid */
6070 for(i = 0 ; i < 8 ; i++) {
6071 if(normvalue == cap_rid.supportedRates[i]) {
6077 /* -1 designed the max rate (mostly auto mode) */
6078 if(vwrq->value == -1) {
6079 /* Get the highest available rate */
6080 for(i = 0 ; i < 8 ; i++) {
6081 if(cap_rid.supportedRates[i] == 0)
6085 brate = cap_rid.supportedRates[i - 1];
6087 /* Check that it is valid */
6092 readConfigRid(local, 1);
6093 /* Now, check if we want a fixed or auto value */
6094 if(vwrq->fixed == 0) {
6095 /* Fill all the rates up to this max rate */
6096 memset(local->config.rates, 0, 8);
6097 for(i = 0 ; i < 8 ; i++) {
6098 local->config.rates[i] = cap_rid.supportedRates[i];
6099 if(local->config.rates[i] == brate)
6104 /* One rate, fixed */
6105 memset(local->config.rates, 0, 8);
6106 local->config.rates[0] = brate;
6108 set_bit (FLAG_COMMIT, &local->flags);
6110 return -EINPROGRESS; /* Call commit handler */
6113 /*------------------------------------------------------------------*/
6115 * Wireless Handler : get Bit-Rate
6117 static int airo_get_rate(struct net_device *dev,
6118 struct iw_request_info *info,
6119 struct iw_param *vwrq,
6122 struct airo_info *local = dev->ml_priv;
6123 StatusRid status_rid; /* Card status info */
6125 readStatusRid(local, &status_rid, 1);
6127 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6128 /* If more than one rate, set auto */
6129 readConfigRid(local, 1);
6130 vwrq->fixed = (local->config.rates[1] == 0);
6135 /*------------------------------------------------------------------*/
6137 * Wireless Handler : set RTS threshold
6139 static int airo_set_rts(struct net_device *dev,
6140 struct iw_request_info *info,
6141 struct iw_param *vwrq,
6144 struct airo_info *local = dev->ml_priv;
6145 int rthr = vwrq->value;
6148 rthr = AIRO_DEF_MTU;
6149 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6152 readConfigRid(local, 1);
6153 local->config.rtsThres = cpu_to_le16(rthr);
6154 set_bit (FLAG_COMMIT, &local->flags);
6156 return -EINPROGRESS; /* Call commit handler */
6159 /*------------------------------------------------------------------*/
6161 * Wireless Handler : get RTS threshold
6163 static int airo_get_rts(struct net_device *dev,
6164 struct iw_request_info *info,
6165 struct iw_param *vwrq,
6168 struct airo_info *local = dev->ml_priv;
6170 readConfigRid(local, 1);
6171 vwrq->value = le16_to_cpu(local->config.rtsThres);
6172 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6178 /*------------------------------------------------------------------*/
6180 * Wireless Handler : set Fragmentation threshold
6182 static int airo_set_frag(struct net_device *dev,
6183 struct iw_request_info *info,
6184 struct iw_param *vwrq,
6187 struct airo_info *local = dev->ml_priv;
6188 int fthr = vwrq->value;
6191 fthr = AIRO_DEF_MTU;
6192 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6195 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6196 readConfigRid(local, 1);
6197 local->config.fragThresh = cpu_to_le16(fthr);
6198 set_bit (FLAG_COMMIT, &local->flags);
6200 return -EINPROGRESS; /* Call commit handler */
6203 /*------------------------------------------------------------------*/
6205 * Wireless Handler : get Fragmentation threshold
6207 static int airo_get_frag(struct net_device *dev,
6208 struct iw_request_info *info,
6209 struct iw_param *vwrq,
6212 struct airo_info *local = dev->ml_priv;
6214 readConfigRid(local, 1);
6215 vwrq->value = le16_to_cpu(local->config.fragThresh);
6216 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6222 /*------------------------------------------------------------------*/
6224 * Wireless Handler : set Mode of Operation
6226 static int airo_set_mode(struct net_device *dev,
6227 struct iw_request_info *info,
6231 struct airo_info *local = dev->ml_priv;
6234 readConfigRid(local, 1);
6235 if (sniffing_mode(local))
6240 local->config.opmode &= ~MODE_CFG_MASK;
6241 local->config.opmode |= MODE_STA_IBSS;
6242 local->config.rmode &= ~RXMODE_FULL_MASK;
6243 local->config.scanMode = SCANMODE_ACTIVE;
6244 clear_bit (FLAG_802_11, &local->flags);
6247 local->config.opmode &= ~MODE_CFG_MASK;
6248 local->config.opmode |= MODE_STA_ESS;
6249 local->config.rmode &= ~RXMODE_FULL_MASK;
6250 local->config.scanMode = SCANMODE_ACTIVE;
6251 clear_bit (FLAG_802_11, &local->flags);
6253 case IW_MODE_MASTER:
6254 local->config.opmode &= ~MODE_CFG_MASK;
6255 local->config.opmode |= MODE_AP;
6256 local->config.rmode &= ~RXMODE_FULL_MASK;
6257 local->config.scanMode = SCANMODE_ACTIVE;
6258 clear_bit (FLAG_802_11, &local->flags);
6260 case IW_MODE_REPEAT:
6261 local->config.opmode &= ~MODE_CFG_MASK;
6262 local->config.opmode |= MODE_AP_RPTR;
6263 local->config.rmode &= ~RXMODE_FULL_MASK;
6264 local->config.scanMode = SCANMODE_ACTIVE;
6265 clear_bit (FLAG_802_11, &local->flags);
6267 case IW_MODE_MONITOR:
6268 local->config.opmode &= ~MODE_CFG_MASK;
6269 local->config.opmode |= MODE_STA_ESS;
6270 local->config.rmode &= ~RXMODE_FULL_MASK;
6271 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6272 local->config.scanMode = SCANMODE_PASSIVE;
6273 set_bit (FLAG_802_11, &local->flags);
6279 set_bit (FLAG_RESET, &local->flags);
6280 set_bit (FLAG_COMMIT, &local->flags);
6282 return -EINPROGRESS; /* Call commit handler */
6285 /*------------------------------------------------------------------*/
6287 * Wireless Handler : get Mode of Operation
6289 static int airo_get_mode(struct net_device *dev,
6290 struct iw_request_info *info,
6294 struct airo_info *local = dev->ml_priv;
6296 readConfigRid(local, 1);
6297 /* If not managed, assume it's ad-hoc */
6298 switch (local->config.opmode & MODE_CFG_MASK) {
6300 *uwrq = IW_MODE_INFRA;
6303 *uwrq = IW_MODE_MASTER;
6306 *uwrq = IW_MODE_REPEAT;
6309 *uwrq = IW_MODE_ADHOC;
6315 static inline int valid_index(struct airo_info *ai, int index)
6317 return (index >= 0) && (index <= ai->max_wep_idx);
6320 /*------------------------------------------------------------------*/
6322 * Wireless Handler : set Encryption Key
6324 static int airo_set_encode(struct net_device *dev,
6325 struct iw_request_info *info,
6326 struct iw_point *dwrq,
6329 struct airo_info *local = dev->ml_priv;
6330 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6331 __le16 currentAuthType = local->config.authType;
6334 if (!local->wep_capable)
6337 readConfigRid(local, 1);
6339 /* Basic checking: do we have a key to set ?
6340 * Note : with the new API, it's impossible to get a NULL pointer.
6341 * Therefore, we need to check a key size == 0 instead.
6342 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6343 * when no key is present (only change flags), but older versions
6344 * don't do it. - Jean II */
6345 if (dwrq->length > 0) {
6347 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6350 /* Check the size of the key */
6351 if (dwrq->length > MAX_KEY_SIZE) {
6355 current_index = get_wep_tx_idx(local);
6356 if (current_index < 0)
6359 /* Check the index (none -> use current) */
6360 if (!valid_index(local, index))
6361 index = current_index;
6363 /* Set the length */
6364 if (dwrq->length > MIN_KEY_SIZE)
6365 key.len = MAX_KEY_SIZE;
6367 key.len = MIN_KEY_SIZE;
6368 /* Check if the key is not marked as invalid */
6369 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6371 memset(key.key, 0, MAX_KEY_SIZE);
6372 /* Copy the key in the driver */
6373 memcpy(key.key, extra, dwrq->length);
6374 /* Send the key to the card */
6375 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6377 airo_print_err(local->dev->name, "failed to set"
6378 " WEP key at index %d: %d.",
6383 /* WE specify that if a valid key is set, encryption
6384 * should be enabled (user may turn it off later)
6385 * This is also how "iwconfig ethX key on" works */
6386 if((index == current_index) && (key.len > 0) &&
6387 (local->config.authType == AUTH_OPEN))
6388 set_auth_type(local, AUTH_ENCRYPT);
6390 /* Do we want to just set the transmit key index ? */
6391 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6392 if (valid_index(local, index)) {
6393 rc = set_wep_tx_idx(local, index, perm, 1);
6395 airo_print_err(local->dev->name, "failed to set"
6396 " WEP transmit index to %d: %d.",
6401 /* Don't complain if only change the mode */
6402 if (!(dwrq->flags & IW_ENCODE_MODE))
6406 /* Read the flags */
6407 if (dwrq->flags & IW_ENCODE_DISABLED)
6408 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6409 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6410 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6411 if (dwrq->flags & IW_ENCODE_OPEN)
6412 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6413 /* Commit the changes to flags if needed */
6414 if (local->config.authType != currentAuthType)
6415 set_bit (FLAG_COMMIT, &local->flags);
6416 return -EINPROGRESS; /* Call commit handler */
6419 /*------------------------------------------------------------------*/
6421 * Wireless Handler : get Encryption Key
6423 static int airo_get_encode(struct net_device *dev,
6424 struct iw_request_info *info,
6425 struct iw_point *dwrq,
6428 struct airo_info *local = dev->ml_priv;
6429 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6433 if (!local->wep_capable)
6436 readConfigRid(local, 1);
6438 /* Check encryption mode */
6439 switch(local->config.authType) {
6441 dwrq->flags = IW_ENCODE_OPEN;
6443 case AUTH_SHAREDKEY:
6444 dwrq->flags = IW_ENCODE_RESTRICTED;
6448 dwrq->flags = IW_ENCODE_DISABLED;
6451 /* We can't return the key, so set the proper flag and return zero */
6452 dwrq->flags |= IW_ENCODE_NOKEY;
6453 memset(extra, 0, 16);
6455 /* Which key do we want ? -1 -> tx index */
6456 if (!valid_index(local, index)) {
6457 index = get_wep_tx_idx(local);
6461 dwrq->flags |= index + 1;
6463 /* Copy the key to the user buffer */
6464 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6465 if (wep_key_len < 0) {
6468 dwrq->length = wep_key_len;
6469 memcpy(extra, buf, dwrq->length);
6475 /*------------------------------------------------------------------*/
6477 * Wireless Handler : set extended Encryption parameters
6479 static int airo_set_encodeext(struct net_device *dev,
6480 struct iw_request_info *info,
6481 union iwreq_data *wrqu,
6484 struct airo_info *local = dev->ml_priv;
6485 struct iw_point *encoding = &wrqu->encoding;
6486 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6487 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6488 __le16 currentAuthType = local->config.authType;
6489 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6492 if (!local->wep_capable)
6495 readConfigRid(local, 1);
6497 /* Determine and validate the key index */
6498 idx = encoding->flags & IW_ENCODE_INDEX;
6500 if (!valid_index(local, idx - 1))
6504 idx = get_wep_tx_idx(local);
6509 if (encoding->flags & IW_ENCODE_DISABLED)
6510 alg = IW_ENCODE_ALG_NONE;
6512 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6513 /* Only set transmit key index here, actual
6514 * key is set below if needed.
6516 rc = set_wep_tx_idx(local, idx, perm, 1);
6518 airo_print_err(local->dev->name, "failed to set "
6519 "WEP transmit index to %d: %d.",
6523 set_key = ext->key_len > 0 ? 1 : 0;
6527 /* Set the requested key first */
6528 memset(key.key, 0, MAX_KEY_SIZE);
6530 case IW_ENCODE_ALG_NONE:
6533 case IW_ENCODE_ALG_WEP:
6534 if (ext->key_len > MIN_KEY_SIZE) {
6535 key.len = MAX_KEY_SIZE;
6536 } else if (ext->key_len > 0) {
6537 key.len = MIN_KEY_SIZE;
6541 key_len = min (ext->key_len, key.len);
6542 memcpy(key.key, ext->key, key_len);
6548 rc = set_wep_tx_idx(local, idx, perm, 1);
6550 airo_print_err(local->dev->name,
6551 "failed to set WEP transmit index to %d: %d.",
6556 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6558 airo_print_err(local->dev->name,
6559 "failed to set WEP key at index %d: %d.",
6566 /* Read the flags */
6567 if (encoding->flags & IW_ENCODE_DISABLED)
6568 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6569 if(encoding->flags & IW_ENCODE_RESTRICTED)
6570 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6571 if (encoding->flags & IW_ENCODE_OPEN)
6572 set_auth_type(local, AUTH_ENCRYPT);
6573 /* Commit the changes to flags if needed */
6574 if (local->config.authType != currentAuthType)
6575 set_bit (FLAG_COMMIT, &local->flags);
6577 return -EINPROGRESS;
6581 /*------------------------------------------------------------------*/
6583 * Wireless Handler : get extended Encryption parameters
6585 static int airo_get_encodeext(struct net_device *dev,
6586 struct iw_request_info *info,
6587 union iwreq_data *wrqu,
6590 struct airo_info *local = dev->ml_priv;
6591 struct iw_point *encoding = &wrqu->encoding;
6592 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6593 int idx, max_key_len, wep_key_len;
6596 if (!local->wep_capable)
6599 readConfigRid(local, 1);
6601 max_key_len = encoding->length - sizeof(*ext);
6602 if (max_key_len < 0)
6605 idx = encoding->flags & IW_ENCODE_INDEX;
6607 if (!valid_index(local, idx - 1))
6611 idx = get_wep_tx_idx(local);
6616 encoding->flags = idx + 1;
6617 memset(ext, 0, sizeof(*ext));
6619 /* Check encryption mode */
6620 switch(local->config.authType) {
6622 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6624 case AUTH_SHAREDKEY:
6625 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6629 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6632 /* We can't return the key, so set the proper flag and return zero */
6633 encoding->flags |= IW_ENCODE_NOKEY;
6634 memset(extra, 0, 16);
6636 /* Copy the key to the user buffer */
6637 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6638 if (wep_key_len < 0) {
6641 ext->key_len = wep_key_len;
6642 memcpy(extra, buf, ext->key_len);
6649 /*------------------------------------------------------------------*/
6651 * Wireless Handler : set extended authentication parameters
6653 static int airo_set_auth(struct net_device *dev,
6654 struct iw_request_info *info,
6655 union iwreq_data *wrqu, char *extra)
6657 struct airo_info *local = dev->ml_priv;
6658 struct iw_param *param = &wrqu->param;
6659 __le16 currentAuthType = local->config.authType;
6661 switch (param->flags & IW_AUTH_INDEX) {
6662 case IW_AUTH_WPA_VERSION:
6663 case IW_AUTH_CIPHER_PAIRWISE:
6664 case IW_AUTH_CIPHER_GROUP:
6665 case IW_AUTH_KEY_MGMT:
6666 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6667 case IW_AUTH_PRIVACY_INVOKED:
6669 * airo does not use these parameters
6673 case IW_AUTH_DROP_UNENCRYPTED:
6675 /* Only change auth type if unencrypted */
6676 if (currentAuthType == AUTH_OPEN)
6677 set_auth_type(local, AUTH_ENCRYPT);
6679 set_auth_type(local, AUTH_OPEN);
6682 /* Commit the changes to flags if needed */
6683 if (local->config.authType != currentAuthType)
6684 set_bit (FLAG_COMMIT, &local->flags);
6687 case IW_AUTH_80211_AUTH_ALG: {
6688 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6689 set_auth_type(local, AUTH_SHAREDKEY);
6690 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6691 /* We don't know here if WEP open system or
6692 * unencrypted mode was requested - so use the
6693 * last mode (of these two) used last time
6695 set_auth_type(local, local->last_auth);
6699 /* Commit the changes to flags if needed */
6700 if (local->config.authType != currentAuthType)
6701 set_bit (FLAG_COMMIT, &local->flags);
6705 case IW_AUTH_WPA_ENABLED:
6706 /* Silently accept disable of WPA */
6707 if (param->value > 0)
6714 return -EINPROGRESS;
6718 /*------------------------------------------------------------------*/
6720 * Wireless Handler : get extended authentication parameters
6722 static int airo_get_auth(struct net_device *dev,
6723 struct iw_request_info *info,
6724 union iwreq_data *wrqu, char *extra)
6726 struct airo_info *local = dev->ml_priv;
6727 struct iw_param *param = &wrqu->param;
6728 __le16 currentAuthType = local->config.authType;
6730 switch (param->flags & IW_AUTH_INDEX) {
6731 case IW_AUTH_DROP_UNENCRYPTED:
6732 switch (currentAuthType) {
6733 case AUTH_SHAREDKEY:
6743 case IW_AUTH_80211_AUTH_ALG:
6744 switch (currentAuthType) {
6745 case AUTH_SHAREDKEY:
6746 param->value = IW_AUTH_ALG_SHARED_KEY;
6750 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6755 case IW_AUTH_WPA_ENABLED:
6766 /*------------------------------------------------------------------*/
6768 * Wireless Handler : set Tx-Power
6770 static int airo_set_txpow(struct net_device *dev,
6771 struct iw_request_info *info,
6772 struct iw_param *vwrq,
6775 struct airo_info *local = dev->ml_priv;
6776 CapabilityRid cap_rid; /* Card capability info */
6779 __le16 v = cpu_to_le16(vwrq->value);
6781 readCapabilityRid(local, &cap_rid, 1);
6783 if (vwrq->disabled) {
6784 set_bit (FLAG_RADIO_OFF, &local->flags);
6785 set_bit (FLAG_COMMIT, &local->flags);
6786 return -EINPROGRESS; /* Call commit handler */
6788 if (vwrq->flags != IW_TXPOW_MWATT) {
6791 clear_bit (FLAG_RADIO_OFF, &local->flags);
6792 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6793 if (v == cap_rid.txPowerLevels[i]) {
6794 readConfigRid(local, 1);
6795 local->config.txPower = v;
6796 set_bit (FLAG_COMMIT, &local->flags);
6797 rc = -EINPROGRESS; /* Call commit handler */
6803 /*------------------------------------------------------------------*/
6805 * Wireless Handler : get Tx-Power
6807 static int airo_get_txpow(struct net_device *dev,
6808 struct iw_request_info *info,
6809 struct iw_param *vwrq,
6812 struct airo_info *local = dev->ml_priv;
6814 readConfigRid(local, 1);
6815 vwrq->value = le16_to_cpu(local->config.txPower);
6816 vwrq->fixed = 1; /* No power control */
6817 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6818 vwrq->flags = IW_TXPOW_MWATT;
6823 /*------------------------------------------------------------------*/
6825 * Wireless Handler : set Retry limits
6827 static int airo_set_retry(struct net_device *dev,
6828 struct iw_request_info *info,
6829 struct iw_param *vwrq,
6832 struct airo_info *local = dev->ml_priv;
6835 if(vwrq->disabled) {
6838 readConfigRid(local, 1);
6839 if(vwrq->flags & IW_RETRY_LIMIT) {
6840 __le16 v = cpu_to_le16(vwrq->value);
6841 if(vwrq->flags & IW_RETRY_LONG)
6842 local->config.longRetryLimit = v;
6843 else if (vwrq->flags & IW_RETRY_SHORT)
6844 local->config.shortRetryLimit = v;
6846 /* No modifier : set both */
6847 local->config.longRetryLimit = v;
6848 local->config.shortRetryLimit = v;
6850 set_bit (FLAG_COMMIT, &local->flags);
6851 rc = -EINPROGRESS; /* Call commit handler */
6853 if(vwrq->flags & IW_RETRY_LIFETIME) {
6854 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6855 set_bit (FLAG_COMMIT, &local->flags);
6856 rc = -EINPROGRESS; /* Call commit handler */
6861 /*------------------------------------------------------------------*/
6863 * Wireless Handler : get Retry limits
6865 static int airo_get_retry(struct net_device *dev,
6866 struct iw_request_info *info,
6867 struct iw_param *vwrq,
6870 struct airo_info *local = dev->ml_priv;
6872 vwrq->disabled = 0; /* Can't be disabled */
6874 readConfigRid(local, 1);
6875 /* Note : by default, display the min retry number */
6876 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6877 vwrq->flags = IW_RETRY_LIFETIME;
6878 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6879 } else if((vwrq->flags & IW_RETRY_LONG)) {
6880 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6881 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6883 vwrq->flags = IW_RETRY_LIMIT;
6884 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6885 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6886 vwrq->flags |= IW_RETRY_SHORT;
6892 /*------------------------------------------------------------------*/
6894 * Wireless Handler : get range info
6896 static int airo_get_range(struct net_device *dev,
6897 struct iw_request_info *info,
6898 struct iw_point *dwrq,
6901 struct airo_info *local = dev->ml_priv;
6902 struct iw_range *range = (struct iw_range *) extra;
6903 CapabilityRid cap_rid; /* Card capability info */
6907 readCapabilityRid(local, &cap_rid, 1);
6909 dwrq->length = sizeof(struct iw_range);
6910 memset(range, 0, sizeof(*range));
6911 range->min_nwid = 0x0000;
6912 range->max_nwid = 0x0000;
6913 range->num_channels = 14;
6914 /* Should be based on cap_rid.country to give only
6915 * what the current card support */
6917 for(i = 0; i < 14; i++) {
6918 range->freq[k].i = i + 1; /* List index */
6919 range->freq[k].m = 100000 *
6920 ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6921 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6923 range->num_frequency = k;
6925 range->sensitivity = 65535;
6927 /* Hum... Should put the right values there */
6929 range->max_qual.qual = 100; /* % */
6931 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6932 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6933 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6935 /* Experimental measurements - boundary 11/5.5 Mb/s */
6936 /* Note : with or without the (local->rssi), results
6937 * are somewhat different. - Jean II */
6939 range->avg_qual.qual = 50; /* % */
6940 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6942 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6943 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6945 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6947 for(i = 0 ; i < 8 ; i++) {
6948 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6949 if(range->bitrate[i] == 0)
6952 range->num_bitrates = i;
6954 /* Set an indication of the max TCP throughput
6955 * in bit/s that we can expect using this interface.
6956 * May be use for QoS stuff... Jean II */
6958 range->throughput = 5000 * 1000;
6960 range->throughput = 1500 * 1000;
6963 range->max_rts = AIRO_DEF_MTU;
6964 range->min_frag = 256;
6965 range->max_frag = AIRO_DEF_MTU;
6967 if(cap_rid.softCap & cpu_to_le16(2)) {
6969 range->encoding_size[0] = 5;
6971 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6972 range->encoding_size[1] = 13;
6973 range->num_encoding_sizes = 2;
6975 range->num_encoding_sizes = 1;
6976 range->max_encoding_tokens =
6977 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6979 range->num_encoding_sizes = 0;
6980 range->max_encoding_tokens = 0;
6983 range->max_pmp = 5000000; /* 5 secs */
6985 range->max_pmt = 65535 * 1024; /* ??? */
6986 range->pmp_flags = IW_POWER_PERIOD;
6987 range->pmt_flags = IW_POWER_TIMEOUT;
6988 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6990 /* Transmit Power - values are in mW */
6991 for(i = 0 ; i < 8 ; i++) {
6992 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6993 if(range->txpower[i] == 0)
6996 range->num_txpower = i;
6997 range->txpower_capa = IW_TXPOW_MWATT;
6998 range->we_version_source = 19;
6999 range->we_version_compiled = WIRELESS_EXT;
7000 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7001 range->retry_flags = IW_RETRY_LIMIT;
7002 range->r_time_flags = IW_RETRY_LIFETIME;
7003 range->min_retry = 1;
7004 range->max_retry = 65535;
7005 range->min_r_time = 1024;
7006 range->max_r_time = 65535 * 1024;
7008 /* Event capability (kernel + driver) */
7009 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7010 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7011 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7012 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7013 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7014 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7018 /*------------------------------------------------------------------*/
7020 * Wireless Handler : set Power Management
7022 static int airo_set_power(struct net_device *dev,
7023 struct iw_request_info *info,
7024 struct iw_param *vwrq,
7027 struct airo_info *local = dev->ml_priv;
7029 readConfigRid(local, 1);
7030 if (vwrq->disabled) {
7031 if (sniffing_mode(local))
7033 local->config.powerSaveMode = POWERSAVE_CAM;
7034 local->config.rmode &= ~RXMODE_MASK;
7035 local->config.rmode |= RXMODE_BC_MC_ADDR;
7036 set_bit (FLAG_COMMIT, &local->flags);
7037 return -EINPROGRESS; /* Call commit handler */
7039 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7040 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7041 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7042 set_bit (FLAG_COMMIT, &local->flags);
7043 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7044 local->config.fastListenInterval =
7045 local->config.listenInterval =
7046 cpu_to_le16((vwrq->value + 500) / 1024);
7047 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7048 set_bit (FLAG_COMMIT, &local->flags);
7050 switch (vwrq->flags & IW_POWER_MODE) {
7051 case IW_POWER_UNICAST_R:
7052 if (sniffing_mode(local))
7054 local->config.rmode &= ~RXMODE_MASK;
7055 local->config.rmode |= RXMODE_ADDR;
7056 set_bit (FLAG_COMMIT, &local->flags);
7058 case IW_POWER_ALL_R:
7059 if (sniffing_mode(local))
7061 local->config.rmode &= ~RXMODE_MASK;
7062 local->config.rmode |= RXMODE_BC_MC_ADDR;
7063 set_bit (FLAG_COMMIT, &local->flags);
7065 /* This is broken, fixme ;-) */
7070 // Note : we may want to factor local->need_commit here
7071 // Note2 : may also want to factor RXMODE_RFMON test
7072 return -EINPROGRESS; /* Call commit handler */
7075 /*------------------------------------------------------------------*/
7077 * Wireless Handler : get Power Management
7079 static int airo_get_power(struct net_device *dev,
7080 struct iw_request_info *info,
7081 struct iw_param *vwrq,
7084 struct airo_info *local = dev->ml_priv;
7087 readConfigRid(local, 1);
7088 mode = local->config.powerSaveMode;
7089 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7091 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7092 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7093 vwrq->flags = IW_POWER_TIMEOUT;
7095 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7096 vwrq->flags = IW_POWER_PERIOD;
7098 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7099 vwrq->flags |= IW_POWER_UNICAST_R;
7101 vwrq->flags |= IW_POWER_ALL_R;
7106 /*------------------------------------------------------------------*/
7108 * Wireless Handler : set Sensitivity
7110 static int airo_set_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 local->config.rssiThreshold =
7119 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7120 set_bit (FLAG_COMMIT, &local->flags);
7122 return -EINPROGRESS; /* Call commit handler */
7125 /*------------------------------------------------------------------*/
7127 * Wireless Handler : get Sensitivity
7129 static int airo_get_sens(struct net_device *dev,
7130 struct iw_request_info *info,
7131 struct iw_param *vwrq,
7134 struct airo_info *local = dev->ml_priv;
7136 readConfigRid(local, 1);
7137 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7138 vwrq->disabled = (vwrq->value == 0);
7144 /*------------------------------------------------------------------*/
7146 * Wireless Handler : get AP List
7147 * Note : this is deprecated in favor of IWSCAN
7149 static int airo_get_aplist(struct net_device *dev,
7150 struct iw_request_info *info,
7151 struct iw_point *dwrq,
7154 struct airo_info *local = dev->ml_priv;
7155 struct sockaddr *address = (struct sockaddr *) extra;
7156 struct iw_quality *qual;
7159 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7161 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7165 for (i = 0; i < IW_MAX_AP; i++) {
7167 if (readBSSListRid(local, loseSync, &BSSList))
7170 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7171 address[i].sa_family = ARPHRD_ETHER;
7172 dBm = le16_to_cpu(BSSList.dBm);
7174 qual[i].level = 0x100 - dBm;
7175 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7176 qual[i].updated = IW_QUAL_QUAL_UPDATED
7177 | IW_QUAL_LEVEL_UPDATED
7180 qual[i].level = (dBm + 321) / 2;
7182 qual[i].updated = IW_QUAL_QUAL_INVALID
7183 | IW_QUAL_LEVEL_UPDATED
7186 qual[i].noise = local->wstats.qual.noise;
7187 if (BSSList.index == cpu_to_le16(0xffff))
7191 StatusRid status_rid; /* Card status info */
7192 readStatusRid(local, &status_rid, 1);
7194 i < min(IW_MAX_AP, 4) &&
7195 (status_rid.bssid[i][0]
7196 & status_rid.bssid[i][1]
7197 & status_rid.bssid[i][2]
7198 & status_rid.bssid[i][3]
7199 & status_rid.bssid[i][4]
7200 & status_rid.bssid[i][5])!=0xff &&
7201 (status_rid.bssid[i][0]
7202 | status_rid.bssid[i][1]
7203 | status_rid.bssid[i][2]
7204 | status_rid.bssid[i][3]
7205 | status_rid.bssid[i][4]
7206 | status_rid.bssid[i][5]);
7208 memcpy(address[i].sa_data,
7209 status_rid.bssid[i], ETH_ALEN);
7210 address[i].sa_family = ARPHRD_ETHER;
7213 dwrq->flags = 1; /* Should be define'd */
7214 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7215 sizeof(struct iw_quality) * i);
7223 /*------------------------------------------------------------------*/
7225 * Wireless Handler : Initiate Scan
7227 static int airo_set_scan(struct net_device *dev,
7228 struct iw_request_info *info,
7229 struct iw_point *dwrq,
7232 struct airo_info *ai = dev->ml_priv;
7237 /* Note : you may have realised that, as this is a SET operation,
7238 * this is privileged and therefore a normal user can't
7240 * This is not an error, while the device perform scanning,
7241 * traffic doesn't flow, so it's a perfect DoS...
7243 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7245 if (down_interruptible(&ai->sem))
7246 return -ERESTARTSYS;
7248 /* If there's already a scan in progress, don't
7249 * trigger another one. */
7250 if (ai->scan_timeout > 0)
7253 /* Initiate a scan command */
7254 ai->scan_timeout = RUN_AT(3*HZ);
7255 memset(&cmd, 0, sizeof(cmd));
7256 cmd.cmd=CMD_LISTBSS;
7257 issuecommand(ai, &cmd, &rsp);
7263 wake_up_interruptible(&ai->thr_wait);
7267 /*------------------------------------------------------------------*/
7269 * Translate scan data returned from the card to a card independent
7270 * format that the Wireless Tools will understand - Jean II
7272 static inline char *airo_translate_scan(struct net_device *dev,
7273 struct iw_request_info *info,
7278 struct airo_info *ai = dev->ml_priv;
7279 struct iw_event iwe; /* Temporary buffer */
7280 __le16 capabilities;
7281 char * current_val; /* For rates */
7286 /* First entry *MUST* be the AP MAC address */
7287 iwe.cmd = SIOCGIWAP;
7288 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7289 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7290 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7291 &iwe, IW_EV_ADDR_LEN);
7293 /* Other entries will be displayed in the order we give them */
7296 iwe.u.data.length = bss->ssidLen;
7297 if(iwe.u.data.length > 32)
7298 iwe.u.data.length = 32;
7299 iwe.cmd = SIOCGIWESSID;
7300 iwe.u.data.flags = 1;
7301 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7305 iwe.cmd = SIOCGIWMODE;
7306 capabilities = bss->cap;
7307 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7308 if(capabilities & CAP_ESS)
7309 iwe.u.mode = IW_MODE_MASTER;
7311 iwe.u.mode = IW_MODE_ADHOC;
7312 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7313 &iwe, IW_EV_UINT_LEN);
7317 iwe.cmd = SIOCGIWFREQ;
7318 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7319 iwe.u.freq.m = 100000 *
7320 ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7322 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7323 &iwe, IW_EV_FREQ_LEN);
7325 dBm = le16_to_cpu(bss->dBm);
7327 /* Add quality statistics */
7330 iwe.u.qual.level = 0x100 - dBm;
7331 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7332 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7333 | IW_QUAL_LEVEL_UPDATED
7336 iwe.u.qual.level = (dBm + 321) / 2;
7337 iwe.u.qual.qual = 0;
7338 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7339 | IW_QUAL_LEVEL_UPDATED
7342 iwe.u.qual.noise = ai->wstats.qual.noise;
7343 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7344 &iwe, IW_EV_QUAL_LEN);
7346 /* Add encryption capability */
7347 iwe.cmd = SIOCGIWENCODE;
7348 if(capabilities & CAP_PRIVACY)
7349 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7351 iwe.u.data.flags = IW_ENCODE_DISABLED;
7352 iwe.u.data.length = 0;
7353 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7356 /* Rate : stuffing multiple values in a single event require a bit
7357 * more of magic - Jean II */
7358 current_val = current_ev + iwe_stream_lcp_len(info);
7360 iwe.cmd = SIOCGIWRATE;
7361 /* Those two flags are ignored... */
7362 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7364 for(i = 0 ; i < 8 ; i++) {
7365 /* NULL terminated */
7366 if(bss->rates[i] == 0)
7368 /* Bit rate given in 500 kb/s units (+ 0x80) */
7369 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7370 /* Add new value to event */
7371 current_val = iwe_stream_add_value(info, current_ev,
7372 current_val, end_buf,
7373 &iwe, IW_EV_PARAM_LEN);
7375 /* Check if we added any event */
7376 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7377 current_ev = current_val;
7379 /* Beacon interval */
7380 buf = kmalloc(30, GFP_KERNEL);
7382 iwe.cmd = IWEVCUSTOM;
7383 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7384 iwe.u.data.length = strlen(buf);
7385 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7390 /* Put WPA/RSN Information Elements into the event stream */
7391 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7392 unsigned int num_null_ies = 0;
7393 u16 length = sizeof (bss->extra.iep);
7394 u8 *ie = (void *)&bss->extra.iep;
7396 while ((length >= 2) && (num_null_ies < 2)) {
7397 if (2 + ie[1] > length) {
7398 /* Invalid element, don't continue parsing IE */
7404 /* Two zero-length SSID elements
7405 * mean we're done parsing elements */
7410 case WLAN_EID_VENDOR_SPECIFIC:
7416 iwe.cmd = IWEVGENIE;
7417 /* 64 is an arbitrary cut-off */
7418 iwe.u.data.length = min(ie[1] + 2,
7420 current_ev = iwe_stream_add_point(
7427 iwe.cmd = IWEVGENIE;
7428 /* 64 is an arbitrary cut-off */
7429 iwe.u.data.length = min(ie[1] + 2, 64);
7430 current_ev = iwe_stream_add_point(
7431 info, current_ev, end_buf,
7439 length -= 2 + ie[1];
7446 /*------------------------------------------------------------------*/
7448 * Wireless Handler : Read Scan Results
7450 static int airo_get_scan(struct net_device *dev,
7451 struct iw_request_info *info,
7452 struct iw_point *dwrq,
7455 struct airo_info *ai = dev->ml_priv;
7456 BSSListElement *net;
7458 char *current_ev = extra;
7460 /* If a scan is in-progress, return -EAGAIN */
7461 if (ai->scan_timeout > 0)
7464 if (down_interruptible(&ai->sem))
7467 list_for_each_entry (net, &ai->network_list, list) {
7468 /* Translate to WE format this entry */
7469 current_ev = airo_translate_scan(dev, info, current_ev,
7470 extra + dwrq->length,
7473 /* Check if there is space for one more entry */
7474 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7475 /* Ask user space to try again with a bigger buffer */
7481 /* Length of data */
7482 dwrq->length = (current_ev - extra);
7483 dwrq->flags = 0; /* todo */
7490 /*------------------------------------------------------------------*/
7492 * Commit handler : called after a bunch of SET operations
7494 static int airo_config_commit(struct net_device *dev,
7495 struct iw_request_info *info, /* NULL */
7496 void *zwrq, /* NULL */
7497 char *extra) /* NULL */
7499 struct airo_info *local = dev->ml_priv;
7501 if (!test_bit (FLAG_COMMIT, &local->flags))
7504 /* Some of the "SET" function may have modified some of the
7505 * parameters. It's now time to commit them in the card */
7506 disable_MAC(local, 1);
7507 if (test_bit (FLAG_RESET, &local->flags)) {
7508 APListRid APList_rid;
7511 readAPListRid(local, &APList_rid);
7512 readSsidRid(local, &SSID_rid);
7513 if (test_bit(FLAG_MPI,&local->flags))
7514 setup_card(local, dev->dev_addr, 1 );
7516 reset_airo_card(dev);
7517 disable_MAC(local, 1);
7518 writeSsidRid(local, &SSID_rid, 1);
7519 writeAPListRid(local, &APList_rid, 1);
7521 if (down_interruptible(&local->sem))
7522 return -ERESTARTSYS;
7523 writeConfigRid(local, 0);
7524 enable_MAC(local, 0);
7525 if (test_bit (FLAG_RESET, &local->flags))
7526 airo_set_promisc(local);
7533 /*------------------------------------------------------------------*/
7535 * Structures to export the Wireless Handlers
7538 static const struct iw_priv_args airo_private_args[] = {
7539 /*{ cmd, set_args, get_args, name } */
7540 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7541 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7542 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7543 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7546 static const iw_handler airo_handler[] =
7548 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7549 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7550 (iw_handler) NULL, /* SIOCSIWNWID */
7551 (iw_handler) NULL, /* SIOCGIWNWID */
7552 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7553 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7554 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7555 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7556 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7557 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7558 (iw_handler) NULL, /* SIOCSIWRANGE */
7559 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7560 (iw_handler) NULL, /* SIOCSIWPRIV */
7561 (iw_handler) NULL, /* SIOCGIWPRIV */
7562 (iw_handler) NULL, /* SIOCSIWSTATS */
7563 (iw_handler) NULL, /* SIOCGIWSTATS */
7564 iw_handler_set_spy, /* SIOCSIWSPY */
7565 iw_handler_get_spy, /* SIOCGIWSPY */
7566 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7567 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7568 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7569 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7570 (iw_handler) NULL, /* -- hole -- */
7571 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7572 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7573 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7574 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7575 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7576 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7577 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7578 (iw_handler) NULL, /* -- hole -- */
7579 (iw_handler) NULL, /* -- hole -- */
7580 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7581 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7582 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7583 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7584 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7585 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7586 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7587 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7588 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7589 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7590 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7591 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7592 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7593 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7594 (iw_handler) NULL, /* -- hole -- */
7595 (iw_handler) NULL, /* -- hole -- */
7596 (iw_handler) NULL, /* SIOCSIWGENIE */
7597 (iw_handler) NULL, /* SIOCGIWGENIE */
7598 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7599 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7600 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7601 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7602 (iw_handler) NULL, /* SIOCSIWPMKSA */
7605 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7606 * We want to force the use of the ioctl code, because those can't be
7607 * won't work the iw_handler code (because they simultaneously read
7608 * and write data and iw_handler can't do that).
7609 * Note that it's perfectly legal to read/write on a single ioctl command,
7610 * you just can't use iwpriv and need to force it via the ioctl handler.
7612 static const iw_handler airo_private_handler[] =
7614 NULL, /* SIOCIWFIRSTPRIV */
7617 static const struct iw_handler_def airo_handler_def =
7619 .num_standard = ARRAY_SIZE(airo_handler),
7620 .num_private = ARRAY_SIZE(airo_private_handler),
7621 .num_private_args = ARRAY_SIZE(airo_private_args),
7622 .standard = airo_handler,
7623 .private = airo_private_handler,
7624 .private_args = airo_private_args,
7625 .get_wireless_stats = airo_get_wireless_stats,
7629 * This defines the configuration part of the Wireless Extensions
7630 * Note : irq and spinlock protection will occur in the subroutines
7633 * o Check input value more carefully and fill correct values in range
7634 * o Test and shakeout the bugs (if any)
7638 * Javier Achirica did a great job of merging code from the unnamed CISCO
7639 * developer that added support for flashing the card.
7641 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7644 struct airo_info *ai = dev->ml_priv;
7646 if (ai->power.event)
7656 int val = AIROMAGIC;
7658 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7660 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7669 /* Get the command struct and hand it off for evaluation by
7670 * the proper subfunction
7674 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7679 /* Separate R/W functions bracket legality here
7681 if ( com.command == AIRORSWVERSION ) {
7682 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7687 else if ( com.command <= AIRORRID)
7688 rc = readrids(dev,&com);
7689 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7690 rc = writerids(dev,&com);
7691 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7692 rc = flashcard(dev,&com);
7694 rc = -EINVAL; /* Bad command in ioctl */
7697 #endif /* CISCO_EXT */
7699 // All other calls are currently unsupported
7707 * Get the Wireless stats out of the driver
7708 * Note : irq and spinlock protection will occur in the subroutines
7711 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7715 static void airo_read_wireless_stats(struct airo_info *local)
7717 StatusRid status_rid;
7719 CapabilityRid cap_rid;
7720 __le32 *vals = stats_rid.vals;
7722 /* Get stats out of the card */
7723 clear_bit(JOB_WSTATS, &local->jobs);
7724 if (local->power.event) {
7728 readCapabilityRid(local, &cap_rid, 0);
7729 readStatusRid(local, &status_rid, 0);
7730 readStatsRid(local, &stats_rid, RID_STATS, 0);
7734 local->wstats.status = le16_to_cpu(status_rid.mode);
7736 /* Signal quality and co */
7738 local->wstats.qual.level =
7739 airo_rssi_to_dbm(local->rssi,
7740 le16_to_cpu(status_rid.sigQuality));
7741 /* normalizedSignalStrength appears to be a percentage */
7742 local->wstats.qual.qual =
7743 le16_to_cpu(status_rid.normalizedSignalStrength);
7745 local->wstats.qual.level =
7746 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7747 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7749 if (le16_to_cpu(status_rid.len) >= 124) {
7750 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7751 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7753 local->wstats.qual.noise = 0;
7754 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7757 /* Packets discarded in the wireless adapter due to wireless
7758 * specific problems */
7759 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7760 le32_to_cpu(vals[57]) +
7761 le32_to_cpu(vals[58]); /* SSID Mismatch */
7762 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7763 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7764 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7765 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7766 le32_to_cpu(vals[32]);
7767 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7770 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7772 struct airo_info *local = dev->ml_priv;
7774 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7775 /* Get stats out of the card if available */
7776 if (down_trylock(&local->sem) != 0) {
7777 set_bit(JOB_WSTATS, &local->jobs);
7778 wake_up_interruptible(&local->thr_wait);
7780 airo_read_wireless_stats(local);
7783 return &local->wstats;
7788 * This just translates from driver IOCTL codes to the command codes to
7789 * feed to the radio's host interface. Things can be added/deleted
7790 * as needed. This represents the READ side of control I/O to
7793 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7794 unsigned short ridcode;
7795 unsigned char *iobuf;
7797 struct airo_info *ai = dev->ml_priv;
7799 if (test_bit(FLAG_FLASHING, &ai->flags))
7802 switch(comp->command)
7804 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7805 case AIROGCFG: ridcode = RID_CONFIG;
7806 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7807 disable_MAC (ai, 1);
7808 writeConfigRid (ai, 1);
7812 case AIROGSLIST: ridcode = RID_SSID; break;
7813 case AIROGVLIST: ridcode = RID_APLIST; break;
7814 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7815 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7816 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7817 /* Only super-user can read WEP keys */
7818 if (!capable(CAP_NET_ADMIN))
7821 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7822 /* Only super-user can read WEP keys */
7823 if (!capable(CAP_NET_ADMIN))
7826 case AIROGSTAT: ridcode = RID_STATUS; break;
7827 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7828 case AIROGSTATSC32: ridcode = RID_STATS; break;
7830 if (copy_to_user(comp->data, &ai->micstats,
7831 min((int)comp->len,(int)sizeof(ai->micstats))))
7834 case AIRORRID: ridcode = comp->ridnum; break;
7839 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7842 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7843 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7844 * then return it to the user
7845 * 9/22/2000 Honor user given length
7849 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7858 * Danger Will Robinson write the rids here
7861 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7862 struct airo_info *ai = dev->ml_priv;
7865 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7866 unsigned char *iobuf;
7868 /* Only super-user can write RIDs */
7869 if (!capable(CAP_NET_ADMIN))
7872 if (test_bit(FLAG_FLASHING, &ai->flags))
7876 writer = do_writerid;
7878 switch(comp->command)
7880 case AIROPSIDS: ridcode = RID_SSID; break;
7881 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7882 case AIROPAPLIST: ridcode = RID_APLIST; break;
7883 case AIROPCFG: ai->config.len = 0;
7884 clear_bit(FLAG_COMMIT, &ai->flags);
7885 ridcode = RID_CONFIG; break;
7886 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7887 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7888 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7889 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7891 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7892 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7894 /* this is not really a rid but a command given to the card
7898 if (enable_MAC(ai, 1) != 0)
7903 * Evidently this code in the airo driver does not get a symbol
7904 * as disable_MAC. it's probably so short the compiler does not gen one.
7910 /* This command merely clears the counts does not actually store any data
7911 * only reads rid. But as it changes the cards state, I put it in the
7912 * writerid routines.
7915 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7918 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7920 enabled = ai->micstats.enabled;
7921 memset(&ai->micstats,0,sizeof(ai->micstats));
7922 ai->micstats.enabled = enabled;
7924 if (copy_to_user(comp->data, iobuf,
7925 min((int)comp->len, (int)RIDSIZE))) {
7933 return -EOPNOTSUPP; /* Blarg! */
7935 if(comp->len > RIDSIZE)
7938 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7941 if (copy_from_user(iobuf,comp->data,comp->len)) {
7946 if (comp->command == AIROPCFG) {
7947 ConfigRid *cfg = (ConfigRid *)iobuf;
7949 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7950 cfg->opmode |= MODE_MIC;
7952 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7953 set_bit (FLAG_ADHOC, &ai->flags);
7955 clear_bit (FLAG_ADHOC, &ai->flags);
7958 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7966 /*****************************************************************************
7967 * Ancillary flash / mod functions much black magic lurkes here *
7968 *****************************************************************************
7972 * Flash command switch table
7975 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7978 /* Only super-user can modify flash */
7979 if (!capable(CAP_NET_ADMIN))
7982 switch(comp->command)
7985 return cmdreset((struct airo_info *)dev->ml_priv);
7988 if (!AIRO_FLASH(dev) &&
7989 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7991 return setflashmode((struct airo_info *)dev->ml_priv);
7993 case AIROFLSHGCHR: /* Get char from aux */
7994 if(comp->len != sizeof(int))
7996 if (copy_from_user(&z,comp->data,comp->len))
7998 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8000 case AIROFLSHPCHR: /* Send char to card. */
8001 if(comp->len != sizeof(int))
8003 if (copy_from_user(&z,comp->data,comp->len))
8005 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8007 case AIROFLPUTBUF: /* Send 32k to card */
8008 if (!AIRO_FLASH(dev))
8010 if(comp->len > FLASHSIZE)
8012 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8015 flashputbuf((struct airo_info *)dev->ml_priv);
8019 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8026 #define FLASH_COMMAND 0x7e7e
8030 * Disable MAC and do soft reset on
8034 static int cmdreset(struct airo_info *ai) {
8038 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8042 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8044 ssleep(1); /* WAS 600 12/7/00 */
8047 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8054 * Put the card in legendary flash
8058 static int setflashmode (struct airo_info *ai) {
8059 set_bit (FLAG_FLASHING, &ai->flags);
8061 OUT4500(ai, SWS0, FLASH_COMMAND);
8062 OUT4500(ai, SWS1, FLASH_COMMAND);
8064 OUT4500(ai, SWS0, FLASH_COMMAND);
8065 OUT4500(ai, COMMAND,0x10);
8067 OUT4500(ai, SWS2, FLASH_COMMAND);
8068 OUT4500(ai, SWS3, FLASH_COMMAND);
8069 OUT4500(ai, COMMAND,0);
8071 msleep(500); /* 500ms delay */
8074 clear_bit (FLAG_FLASHING, &ai->flags);
8075 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8081 /* Put character to SWS0 wait for dwelltime
8085 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8096 /* Wait for busy bit d15 to go false indicating buffer empty */
8097 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8102 /* timeout for busy clear wait */
8104 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8108 /* Port is clear now write byte and wait for it to echo back */
8110 OUT4500(ai,SWS0,byte);
8113 echo = IN4500(ai,SWS1);
8114 } while (dwelltime >= 0 && echo != byte);
8118 return (echo == byte) ? 0 : -EIO;
8122 * Get a character from the card matching matchbyte
8125 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8127 unsigned char rbyte=0;
8130 rchar = IN4500(ai,SWS1);
8132 if(dwelltime && !(0x8000 & rchar)){
8137 rbyte = 0xff & rchar;
8139 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8143 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8147 }while(dwelltime > 0);
8152 * Transfer 32k of firmware data from user buffer to our buffer and
8156 static int flashputbuf(struct airo_info *ai){
8160 if (test_bit(FLAG_MPI,&ai->flags))
8161 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8163 OUT4500(ai,AUXPAGE,0x100);
8164 OUT4500(ai,AUXOFF,0);
8166 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8167 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8170 OUT4500(ai,SWS0,0x8000);
8178 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8181 ssleep(1); /* Added 12/7/00 */
8182 clear_bit (FLAG_FLASHING, &ai->flags);
8183 if (test_bit(FLAG_MPI, &ai->flags)) {
8184 status = mpi_init_descriptors(ai);
8185 if (status != SUCCESS)
8188 status = setup_card(ai, dev->dev_addr, 1);
8190 if (!test_bit(FLAG_MPI,&ai->flags))
8191 for( i = 0; i < MAX_FIDS; i++ ) {
8192 ai->fids[i] = transmit_allocate
8193 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8196 ssleep(1); /* Added 12/7/00 */
8199 #endif /* CISCO_EXT */
8202 This program is free software; you can redistribute it and/or
8203 modify it under the terms of the GNU General Public License
8204 as published by the Free Software Foundation; either version 2
8205 of the License, or (at your option) any later version.
8207 This program is distributed in the hope that it will be useful,
8208 but WITHOUT ANY WARRANTY; without even the implied warranty of
8209 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8210 GNU General Public License for more details.
8214 Redistribution and use in source and binary forms, with or without
8215 modification, are permitted provided that the following conditions
8218 1. Redistributions of source code must retain the above copyright
8219 notice, this list of conditions and the following disclaimer.
8220 2. Redistributions in binary form must reproduce the above copyright
8221 notice, this list of conditions and the following disclaimer in the
8222 documentation and/or other materials provided with the distribution.
8223 3. The name of the author may not be used to endorse or promote
8224 products derived from this software without specific prior written
8227 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8228 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8229 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8230 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8231 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8232 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8233 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8234 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8235 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8236 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8237 POSSIBILITY OF SUCH DAMAGE.
8240 module_init(airo_init_module);
8241 module_exit(airo_cleanup_module);