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/system.h>
41 #include <asm/unaligned.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
53 #include <linux/ieee80211.h>
57 #define DRV_NAME "airo"
60 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
70 MODULE_DEVICE_TABLE(pci, card_ids);
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
77 static struct pci_driver airo_driver = {
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(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 */
90 #include <net/iw_handler.h> /* New driver API */
92 #define CISCO_EXT /* enable Cisco extensions */
94 #include <linux/delay.h>
97 /* Hack to do some power saving */
100 /* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
106 #define IGNLABEL(comment) NULL
107 static char *statsLabels[] = {
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
210 #define RUN_AT(x) (jiffies+(x))
214 /* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
219 static int basic_rate;
220 static char *ssids[3];
226 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
229 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
234 static int probe = 1;
236 static int proc_uid /* = 0 */;
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 \
246 cards. Direct support for ISA/PCI/MPI cards and support \
247 for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param(basic_rate, int, 0);
253 module_param_array(rates, int, NULL, 0);
254 module_param_array(ssids, charp, NULL, 0);
255 module_param(auto_wep, int, 0);
256 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257 the authentication options until an association is made. The value of \
258 auto_wep is number of the wep keys to check. A value of 2 will try using \
259 the key at index 0 and index 1.");
260 module_param(aux_bap, int, 0);
261 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262 than seems to work better for older cards with some older buses. Before \
263 switching it checks that the switch is needed.");
264 module_param(maxencrypt, int, 0);
265 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266 encryption. Units are in 512kbs. 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;
508 } __attribute__ ((packed));
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
515 } __attribute__ ((packed));
517 typedef struct SsidRid SsidRid;
521 } __attribute__ ((packed));
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)
530 } __attribute__ ((packed));
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)
654 } __attribute__ ((packed));
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
713 } __attribute__ ((packed));
715 typedef struct StatsRid StatsRid;
720 } __attribute__ ((packed));
722 typedef struct APListRid APListRid;
726 } __attribute__ ((packed));
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];
756 } __attribute__ ((packed));
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
762 u8 fixed[12]; /* WLAN management frame */
764 } __attribute__ ((packed));
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;
798 } __attribute__ ((packed));
802 struct list_head list;
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
809 } __attribute__ ((packed));
811 typedef struct tdsRssiRid tdsRssiRid;
815 } __attribute__ ((packed));
817 typedef struct MICRid MICRid;
821 __le16 multicastValid;
825 } __attribute__ ((packed));
827 typedef struct MICBuffer MICBuffer;
843 } __attribute__ ((packed));
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 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;
998 } __attribute__ ((packed));
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1009 * Host receive descriptor
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1021 * Host transmit descriptor
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1033 * Host RID descriptor
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1083 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctl = HOST_DONT_RLSE,
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155 static void airo_networks_free(struct airo_info *ai);
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1163 #define MPI_MAX_FIDS 1
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1191 #define JOB_XMIT11 2
1193 #define JOB_PROMISC 4
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 unsigned short *flash;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1210 struct sk_buff *skb;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1219 struct crypto_cipher *tfm;
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1251 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1257 static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259 static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1262 static int cmdreset(struct airo_info *ai);
1263 static int setflashmode (struct airo_info *ai);
1264 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265 static int flashputbuf(struct airo_info *ai);
1266 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268 #define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271 #define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1274 #define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1277 #define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1280 #define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1283 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285 /***********************************************************************
1287 ***********************************************************************
1290 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291 static void MoveWindow(miccntx *context, u32 micSeq);
1292 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294 static void emmh32_init(emmh32_context *context);
1295 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1322 /* micinit - Initialize mic seed */
1324 static void micinit(struct airo_info *ai)
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1355 /* micsetup - Get ready for business */
1357 static int micsetup(struct airo_info *ai) {
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1376 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378 /*===========================================================================
1379 * Description: Mic a packet
1381 * Inputs: etherHead * pointer to an 802.3 frame
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1394 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1404 context = &ai->mod[0].uCtx;
1406 if (!context->valid)
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1414 mic->seq = htonl(context->tx);
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1437 /*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1441 * Inputs: etherHead pointer to the 802.3 packet
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1450 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1456 mic_error micError = NONE;
1458 // Check if the packet is a Mic'd packet
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1469 if (ntohs(mic->typelen) == 0x888E)
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494 //Make sure context is valid
1495 if (!context->valid) {
1497 micError = NOMICPLUMMED;
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 emmh32_final(&context->seed, digest);
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1516 micError = INCORRECTMIC;
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1526 micError = SEQUENCE;
1529 // Update statistics
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1540 /*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1547 * Returns: TRUE if valid otherwise FALSE.
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1554 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1576 //Too old of a SEQ number to check.
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1595 MoveWindow(context,micSeq);
1602 static void MoveWindow(miccntx *context, u32 micSeq)
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1612 context->rx >>= shift;
1616 context->window = micSeq; //Move window
1620 /*==============================================*/
1621 /*========== EMMH ROUTINES ====================*/
1622 /*==============================================*/
1624 /* mic accumulate */
1625 #define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628 static unsigned char aes_counter[16];
1630 /* expand the key to fill the MMH coefficient array */
1631 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1639 u8 *cipher, plain[16];
1641 crypto_cipher_setkey(tfm, pkey, 16);
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1659 /* prepare for calculation of a new mic */
1660 static void emmh32_init(emmh32_context *context)
1662 /* prepare for new mic calculation */
1664 context->position = 0;
1667 /* add some bytes to the mic calculation */
1668 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670 int coeff_position, byte_position;
1672 if (len == 0) return;
1674 coeff_position = context->position >> 2;
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1689 /* deal with full 32-bit words */
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1697 /* deal with partial 32-bit word that will be left over from this update */
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1706 /* mask used to zero empty bytes for final partial word */
1707 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709 /* calculate the mic */
1710 static void emmh32_final(emmh32_context *context, u8 digest[4])
1712 int coeff_position, byte_position;
1718 coeff_position = context->position >> 2;
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1743 static int readBSSListRid(struct airo_info *ai, int first,
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1766 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1772 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1786 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1791 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1796 static int readConfigRid(struct airo_info *ai, int lock)
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1812 static inline void checkThrottle(struct airo_info *ai)
1815 /* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1825 static int writeConfigRid(struct airo_info *ai, int lock)
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1845 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1850 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1855 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1860 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1865 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1870 static void try_auto_wep(struct airo_info *ai)
1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1878 static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet commited, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 writeConfigRid(ai, 1);
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1911 /* Power on the MAC controller (which may have been disabled) */
1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1919 netif_start_queue(dev);
1923 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1924 struct net_device *dev)
1926 int npacks, pending;
1927 unsigned long flags;
1928 struct airo_info *ai = dev->ml_priv;
1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 return NETDEV_TX_OK;
1934 npacks = skb_queue_len (&ai->txq);
1936 if (npacks >= MAXTXQ - 1) {
1937 netif_stop_queue (dev);
1938 if (npacks > MAXTXQ) {
1939 dev->stats.tx_fifo_errors++;
1940 return NETDEV_TX_BUSY;
1942 skb_queue_tail (&ai->txq, skb);
1943 return NETDEV_TX_OK;
1946 spin_lock_irqsave(&ai->aux_lock, flags);
1947 skb_queue_tail (&ai->txq, skb);
1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 spin_unlock_irqrestore(&ai->aux_lock,flags);
1950 netif_wake_queue (dev);
1953 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1954 mpi_send_packet (dev);
1956 return NETDEV_TX_OK;
1962 * Attempt to transmit a packet. Can be called from interrupt
1963 * or transmit . return number of packets we tried to send
1966 static int mpi_send_packet (struct net_device *dev)
1968 struct sk_buff *skb;
1969 unsigned char *buffer;
1972 struct airo_info *ai = dev->ml_priv;
1975 /* get a packet to send */
1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1978 airo_print_err(dev->name,
1979 "%s: Dequeue'd zero in send_packet()",
1984 /* check min length*/
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1996 * is immediatly after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
2001 memcpy((char *)ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2010 * Firmware automaticly puts 802 header on so
2011 * we don't need to account for it in the length
2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2021 ai->txfids[0].tx_desc.len += sizeof(pMic);
2022 /* copy data into airo dma buffer */
2023 memcpy (sendbuf, buffer, sizeof(etherHead));
2024 buffer += sizeof(etherHead);
2025 sendbuf += sizeof(etherHead);
2026 memcpy (sendbuf, &pMic, sizeof(pMic));
2027 sendbuf += sizeof(pMic);
2028 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032 dev->trans_start = jiffies;
2034 /* copy data into airo dma buffer */
2035 memcpy(sendbuf, buffer, len);
2038 memcpy_toio(ai->txfids[0].card_ram_off,
2039 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041 OUT4500(ai, EVACK, 8);
2043 dev_kfree_skb_any(skb);
2047 static void get_tx_error(struct airo_info *ai, s32 fid)
2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 bap_read(ai, &status, 2, BAP0);
2058 if (le16_to_cpu(status) & 2) /* Too many retries */
2059 ai->dev->stats.tx_aborted_errors++;
2060 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2061 ai->dev->stats.tx_heartbeat_errors++;
2062 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2065 ai->dev->stats.tx_carrier_errors++;
2066 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 /* We produce a TXDROP event only for retry or lifetime
2069 * exceeded, because that's the only status that really mean
2070 * that this particular node went away.
2071 * Other errors means that *we* screwed up. - Jean II */
2072 if ((le16_to_cpu(status) & 2) ||
2073 (le16_to_cpu(status) & 4)) {
2074 union iwreq_data wrqu;
2077 /* Faster to skip over useless data than to do
2078 * another bap_setup(). We are at offset 0x6 and
2079 * need to go to 0x18 and read 6 bytes - Jean II */
2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082 /* Copy 802.11 dest address.
2083 * We use the 802.11 header because the frame may
2084 * not be 802.3 or may be mangled...
2085 * In Ad-Hoc mode, it will be the node address.
2086 * In managed mode, it will be most likely the AP addr
2087 * User space will figure out how to convert it to
2088 * whatever it needs (IP address or else).
2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2091 wrqu.addr.sa_family = ARPHRD_ETHER;
2093 /* Send event to user space */
2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2098 static void airo_end_xmit(struct net_device *dev) {
2101 struct airo_info *priv = dev->ml_priv;
2102 struct sk_buff *skb = priv->xmit.skb;
2103 int fid = priv->xmit.fid;
2104 u32 *fids = priv->fids;
2106 clear_bit(JOB_XMIT, &priv->jobs);
2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2108 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2112 if ( status == SUCCESS ) {
2113 dev->trans_start = jiffies;
2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 priv->fids[fid] &= 0xffff;
2117 dev->stats.tx_window_errors++;
2119 if (i < MAX_FIDS / 2)
2120 netif_wake_queue(dev);
2124 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2125 struct net_device *dev)
2129 struct airo_info *priv = dev->ml_priv;
2130 u32 *fids = priv->fids;
2132 if ( skb == NULL ) {
2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2134 return NETDEV_TX_OK;
2137 /* Find a vacant FID */
2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141 if ( j >= MAX_FIDS / 2 ) {
2142 netif_stop_queue(dev);
2144 if (i == MAX_FIDS / 2) {
2145 dev->stats.tx_fifo_errors++;
2146 return NETDEV_TX_BUSY;
2149 /* check min length*/
2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2151 /* Mark fid as used & save length for later */
2152 fids[i] |= (len << 16);
2153 priv->xmit.skb = skb;
2155 if (down_trylock(&priv->sem) != 0) {
2156 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 netif_stop_queue(dev);
2158 set_bit(JOB_XMIT, &priv->jobs);
2159 wake_up_interruptible(&priv->thr_wait);
2162 return NETDEV_TX_OK;
2165 static void airo_end_xmit11(struct net_device *dev) {
2168 struct airo_info *priv = dev->ml_priv;
2169 struct sk_buff *skb = priv->xmit11.skb;
2170 int fid = priv->xmit11.fid;
2171 u32 *fids = priv->fids;
2173 clear_bit(JOB_XMIT11, &priv->jobs);
2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2175 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2179 if ( status == SUCCESS ) {
2180 dev->trans_start = jiffies;
2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 priv->fids[fid] &= 0xffff;
2184 dev->stats.tx_window_errors++;
2187 netif_wake_queue(dev);
2191 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2192 struct net_device *dev)
2196 struct airo_info *priv = dev->ml_priv;
2197 u32 *fids = priv->fids;
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200 /* Not implemented yet for MPI350 */
2201 netif_stop_queue(dev);
2202 dev_kfree_skb_any(skb);
2203 return NETDEV_TX_OK;
2206 if ( skb == NULL ) {
2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2208 return NETDEV_TX_OK;
2211 /* Find a vacant FID */
2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215 if ( j >= MAX_FIDS ) {
2216 netif_stop_queue(dev);
2218 if (i == MAX_FIDS) {
2219 dev->stats.tx_fifo_errors++;
2220 return NETDEV_TX_BUSY;
2223 /* check min length*/
2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2225 /* Mark fid as used & save length for later */
2226 fids[i] |= (len << 16);
2227 priv->xmit11.skb = skb;
2228 priv->xmit11.fid = i;
2229 if (down_trylock(&priv->sem) != 0) {
2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 netif_stop_queue(dev);
2232 set_bit(JOB_XMIT11, &priv->jobs);
2233 wake_up_interruptible(&priv->thr_wait);
2235 airo_end_xmit11(dev);
2236 return NETDEV_TX_OK;
2239 static void airo_read_stats(struct net_device *dev)
2241 struct airo_info *ai = dev->ml_priv;
2243 __le32 *vals = stats_rid.vals;
2245 clear_bit(JOB_STATS, &ai->jobs);
2246 if (ai->power.event) {
2250 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2254 le32_to_cpu(vals[45]);
2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2256 le32_to_cpu(vals[41]);
2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2262 dev->stats.tx_fifo_errors;
2263 dev->stats.multicast = le32_to_cpu(vals[43]);
2264 dev->stats.collisions = le32_to_cpu(vals[89]);
2266 /* detailed rx_errors: */
2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2273 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275 struct airo_info *local = dev->ml_priv;
2277 if (!test_bit(JOB_STATS, &local->jobs)) {
2278 /* Get stats out of the card if available */
2279 if (down_trylock(&local->sem) != 0) {
2280 set_bit(JOB_STATS, &local->jobs);
2281 wake_up_interruptible(&local->thr_wait);
2283 airo_read_stats(dev);
2289 static void airo_set_promisc(struct airo_info *ai) {
2293 memset(&cmd, 0, sizeof(cmd));
2294 cmd.cmd=CMD_SETMODE;
2295 clear_bit(JOB_PROMISC, &ai->jobs);
2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2297 issuecommand(ai, &cmd, &rsp);
2301 static void airo_set_multicast_list(struct net_device *dev) {
2302 struct airo_info *ai = dev->ml_priv;
2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2305 change_bit(FLAG_PROMISC, &ai->flags);
2306 if (down_trylock(&ai->sem) != 0) {
2307 set_bit(JOB_PROMISC, &ai->jobs);
2308 wake_up_interruptible(&ai->thr_wait);
2310 airo_set_promisc(ai);
2313 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2314 /* Turn on multicast. (Should be already setup...) */
2318 static int airo_set_mac_address(struct net_device *dev, void *p)
2320 struct airo_info *ai = dev->ml_priv;
2321 struct sockaddr *addr = p;
2323 readConfigRid(ai, 1);
2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2325 set_bit (FLAG_COMMIT, &ai->flags);
2327 writeConfigRid (ai, 1);
2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2335 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337 if ((new_mtu < 68) || (new_mtu > 2400))
2343 static LIST_HEAD(airo_devices);
2345 static void add_airo_dev(struct airo_info *ai)
2347 /* Upper layers already keep track of PCI devices,
2348 * so we only need to remember our non-PCI cards. */
2350 list_add_tail(&ai->dev_list, &airo_devices);
2353 static void del_airo_dev(struct airo_info *ai)
2356 list_del(&ai->dev_list);
2359 static int airo_close(struct net_device *dev) {
2360 struct airo_info *ai = dev->ml_priv;
2362 netif_stop_queue(dev);
2364 if (ai->wifidev != dev) {
2365 #ifdef POWER_ON_DOWN
2366 /* Shut power to the card. The idea is that the user can save
2367 * power when he doesn't need the card with "ifconfig down".
2368 * That's the method that is most friendly towards the network
2369 * stack (i.e. the network stack won't try to broadcast
2370 * anything on the interface and routes are gone. Jean II */
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2374 disable_interrupts( ai );
2376 free_irq(dev->irq, dev);
2378 set_bit(JOB_DIE, &ai->jobs);
2379 kthread_stop(ai->airo_thread_task);
2384 void stop_airo_card( struct net_device *dev, int freeres )
2386 struct airo_info *ai = dev->ml_priv;
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_interrupts(ai);
2391 takedown_proc_entry( dev, ai );
2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2393 unregister_netdev( dev );
2395 unregister_netdev(ai->wifidev);
2396 free_netdev(ai->wifidev);
2399 clear_bit(FLAG_REGISTERED, &ai->flags);
2402 * Clean out tx queue
2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2405 struct sk_buff *skb = NULL;
2406 for (;(skb = skb_dequeue(&ai->txq));)
2410 airo_networks_free (ai);
2417 /* PCMCIA frees this stuff, so only for PCI and ISA */
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 mpi_unmap_card(ai->pci);
2423 iounmap(ai->pcimem);
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2430 crypto_free_cipher(ai->tfm);
2435 EXPORT_SYMBOL(stop_airo_card);
2437 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2443 static void mpi_unmap_card(struct pci_dev *pci)
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2454 /*************************************************************
2455 * This routine assumes that descriptors have been setup .
2456 * Run at insmod time or after reset when the decriptors
2457 * have been initialized . Returns 0 if all is well nz
2458 * otherwise . Does not allocate memory but sets up card
2459 * using previously allocated descriptors.
2461 static int mpi_init_descriptors (struct airo_info *ai)
2468 /* Alloc card RX descriptors */
2469 netif_stop_queue(ai->dev);
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2474 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2489 /* Alloc card TX descriptors */
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2494 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2512 /* Alloc card Rid descriptor */
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2516 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1; /* Magic number... */
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2533 * We are setting up three things here:
2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2535 * 2) Map PCI memory for issueing commands.
2536 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
2545 unsigned char __iomem *pciaddroff;
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
2563 ai->pcimem = ioremap(mem_start, mem_len);
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2569 ai->pciaux = ioremap(aux_start, aux_len);
2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 airo_print_err("", "Couldn't alloc_consistent %d",
2585 * Setup descriptor RX, TX, CONFIG
2587 busaddroff = ai->shared_dma;
2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2591 /* RX descriptor setup */
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2606 /* TX descriptor setup */
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621 /* Rid descriptor setup */
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2633 /* Tell card about descriptors */
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 iounmap(ai->pciaux);
2643 iounmap(ai->pcimem);
2645 release_mem_region(aux_start, aux_len);
2647 release_mem_region(mem_start, mem_len);
2652 static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2656 static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663 .ndo_change_mtu = airo_change_mtu,
2666 static void wifi_setup(struct net_device *dev)
2668 dev->netdev_ops = &airo11_netdev_ops;
2669 dev->header_ops = &airo_header_ops;
2670 dev->wireless_handlers = &airo_handler_def;
2672 dev->type = ARPHRD_IEEE80211;
2673 dev->hard_header_len = ETH_HLEN;
2674 dev->mtu = AIRO_DEF_MTU;
2675 dev->addr_len = ETH_ALEN;
2676 dev->tx_queue_len = 100;
2678 memset(dev->broadcast,0xFF, ETH_ALEN);
2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2683 static struct net_device *init_wifidev(struct airo_info *ai,
2684 struct net_device *ethdev)
2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2690 dev->ml_priv = ethdev->ml_priv;
2691 dev->irq = ethdev->irq;
2692 dev->base_addr = ethdev->base_addr;
2693 dev->wireless_data = ethdev->wireless_data;
2694 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2696 err = register_netdev(dev);
2704 static int reset_card( struct net_device *dev , int lock) {
2705 struct airo_info *ai = dev->ml_priv;
2707 if (lock && down_interruptible(&ai->sem))
2710 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2719 #define AIRO_MAX_NETWORK_COUNT 64
2720 static int airo_networks_allocate(struct airo_info *ai)
2726 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2728 if (!ai->networks) {
2729 airo_print_warn("", "Out of memory allocating beacons");
2736 static void airo_networks_free(struct airo_info *ai)
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2742 static void airo_networks_initialize(struct airo_info *ai)
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2753 static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_multicast_list = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
2762 .ndo_validate_addr = eth_validate_addr,
2765 static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_multicast_list = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
2774 .ndo_validate_addr = eth_validate_addr,
2778 static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
2782 struct net_device *dev;
2783 struct airo_info *ai;
2785 CapabilityRid cap_rid;
2787 /* Create the network device object. */
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 airo_print_err("", "Couldn't alloc_etherdev");
2794 ai = dev->ml_priv = netdev_priv(dev);
2796 ai->flags = 1 << FLAG_RADIO_DOWN;
2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2800 airo_print_dbg("", "Found an MPI350 card");
2801 set_bit(FLAG_MPI, &ai->flags);
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2807 init_waitqueue_head (&ai->thr_wait);
2811 if (airo_networks_allocate (ai))
2813 airo_networks_initialize (ai);
2815 skb_queue_head_init (&ai->txq);
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2826 dev->base_addr = port;
2828 SET_NETDEV_DEV(dev, dmdev);
2830 reset_card (dev, 1);
2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 airo_print_err(dev->name, "Couldn't request region");
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2850 airo_print_err(dev->name, "MAC could not be enabled" );
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2865 ai->wifidev = init_wifidev(ai, dev);
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2883 /* Test for WPA support */
2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2920 unregister_netdev(dev);
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2930 release_region( dev->base_addr, 64 );
2932 airo_networks_free(ai);
2939 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945 EXPORT_SYMBOL(init_airo_card);
2947 static int waitbusy (struct airo_info *ai) {
2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 return delay < 10000;
2957 int reset_airo_card( struct net_device *dev )
2960 struct airo_info *ai = dev->ml_priv;
2962 if (reset_card (dev, 1))
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2980 EXPORT_SYMBOL(reset_airo_card);
2982 static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->ml_priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999 static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3013 /* Try to read the first entry of the scan result */
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3016 /* No scan results */
3020 /* Read and parse all entries */
3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3036 /* Read next entry */
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3058 static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->ml_priv;
3065 /* make swsusp happy with our thread */
3068 if (test_bit(JOB_DIE, &ai->jobs))
3072 locked = down_interruptible(&ai->sem);
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3079 set_current_state(TASK_INTERRUPTIBLE);
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3099 wake_at = min(ai->expires,
3102 schedule_timeout(wake_at - jiffies);
3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3120 if (test_bit(JOB_DIE, &ai->jobs)) {
3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3130 if (test_bit(JOB_XMIT, &ai->jobs))
3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
3133 airo_end_xmit11(dev);
3134 else if (test_bit(JOB_STATS, &ai->jobs))
3135 airo_read_stats(dev);
3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
3137 airo_read_wireless_stats(ai);
3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
3139 airo_set_promisc(ai);
3140 else if (test_bit(JOB_MIC, &ai->jobs))
3142 else if (test_bit(JOB_EVENT, &ai->jobs))
3143 airo_send_event(dev);
3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3155 static int header_len(__le16 ctl)
3157 u16 fc = le16_to_cpu(ctl);
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3170 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3178 /* Airo Status codes */
3179 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188 #define STAT_ASSOC 0x0400 /* Associated */
3189 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191 static void airo_print_status(const char *devname, u16 status)
3193 u8 reason = status & 0xFF;
3197 airo_print_dbg(devname, "link lost (missed beacons)");
3199 case STAT_MAXRETRIES:
3201 airo_print_dbg(devname, "link lost (max retries)");
3203 case STAT_FORCELOSS:
3204 airo_print_dbg(devname, "link lost (local choice)");
3207 airo_print_dbg(devname, "link lost (TSF sync lost)");
3210 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3213 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3215 case STAT_ASSOC_FAIL:
3216 airo_print_dbg(devname, "association failed (reason: %d)",
3219 case STAT_AUTH_FAIL:
3220 airo_print_dbg(devname, "authentication failed (reason: %d)",
3228 static void airo_handle_link(struct airo_info *ai)
3230 union iwreq_data wrqu;
3231 int scan_forceloss = 0;
3234 /* Get new status and acknowledge the link change */
3235 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3236 OUT4500(ai, EVACK, EV_LINK);
3238 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3241 airo_print_status(ai->dev->name, status);
3243 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3246 if (ai->list_bss_task)
3247 wake_up_process(ai->list_bss_task);
3248 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3249 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3251 if (down_trylock(&ai->sem) != 0) {
3252 set_bit(JOB_EVENT, &ai->jobs);
3253 wake_up_interruptible(&ai->thr_wait);
3255 airo_send_event(ai->dev);
3256 } else if (!scan_forceloss) {
3257 if (auto_wep && !ai->expires) {
3258 ai->expires = RUN_AT(3*HZ);
3259 wake_up_interruptible(&ai->thr_wait);
3262 /* Send event to user space */
3263 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3264 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3265 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3269 static void airo_handle_rx(struct airo_info *ai)
3271 struct sk_buff *skb = NULL;
3272 __le16 fc, v, *buffer, tmpbuf[4];
3273 u16 len, hdrlen = 0, gap, fid;
3277 if (test_bit(FLAG_MPI, &ai->flags)) {
3278 if (test_bit(FLAG_802_11, &ai->flags))
3279 mpi_receive_802_11(ai);
3281 mpi_receive_802_3(ai);
3282 OUT4500(ai, EVACK, EV_RX);
3286 fid = IN4500(ai, RXFID);
3288 /* Get the packet length */
3289 if (test_bit(FLAG_802_11, &ai->flags)) {
3290 bap_setup (ai, fid, 4, BAP0);
3291 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3292 /* Bad CRC. Ignore packet */
3293 if (le16_to_cpu(hdr.status) & 2)
3295 if (ai->wifidev == NULL)
3298 bap_setup(ai, fid, 0x36, BAP0);
3299 bap_read(ai, &hdr.len, 2, BAP0);
3301 len = le16_to_cpu(hdr.len);
3303 if (len > AIRO_DEF_MTU) {
3304 airo_print_err(ai->dev->name, "Bad size %d", len);
3310 if (test_bit(FLAG_802_11, &ai->flags)) {
3311 bap_read(ai, &fc, sizeof (fc), BAP0);
3312 hdrlen = header_len(fc);
3314 hdrlen = ETH_ALEN * 2;
3316 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3318 ai->dev->stats.rx_dropped++;
3322 skb_reserve(skb, 2); /* This way the IP header is aligned */
3323 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3324 if (test_bit(FLAG_802_11, &ai->flags)) {
3326 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3328 bap_read(ai, tmpbuf, 6, BAP0);
3330 bap_read(ai, &v, sizeof(v), BAP0);
3331 gap = le16_to_cpu(v);
3334 bap_read(ai, tmpbuf, gap, BAP0);
3336 airo_print_err(ai->dev->name, "gaplen too "
3337 "big. Problems will follow...");
3340 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3344 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3345 if (ai->micstats.enabled) {
3346 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3347 if (ntohs(micbuf.typelen) > 0x05DC)
3348 bap_setup(ai, fid, 0x44, BAP0);
3350 if (len <= sizeof (micbuf)) {
3351 dev_kfree_skb_irq(skb);
3355 len -= sizeof(micbuf);
3356 skb_trim(skb, len + hdrlen);
3360 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3361 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3362 dev_kfree_skb_irq (skb);
3368 if (success && (ai->spy_data.spy_number > 0)) {
3370 struct iw_quality wstats;
3372 /* Prepare spy data : addr + qual */
3373 if (!test_bit(FLAG_802_11, &ai->flags)) {
3374 sa = (char *) buffer + 6;
3375 bap_setup(ai, fid, 8, BAP0);
3376 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3378 sa = (char *) buffer + 10;
3379 wstats.qual = hdr.rssi[0];
3381 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3383 wstats.level = (hdr.rssi[1] + 321) / 2;
3384 wstats.noise = ai->wstats.qual.noise;
3385 wstats.updated = IW_QUAL_LEVEL_UPDATED
3386 | IW_QUAL_QUAL_UPDATED
3388 /* Update spy records */
3389 wireless_spy_update(ai->dev, sa, &wstats);
3391 #endif /* WIRELESS_SPY */
3394 OUT4500(ai, EVACK, EV_RX);
3397 if (test_bit(FLAG_802_11, &ai->flags)) {
3398 skb_reset_mac_header(skb);
3399 skb->pkt_type = PACKET_OTHERHOST;
3400 skb->dev = ai->wifidev;
3401 skb->protocol = htons(ETH_P_802_2);
3403 skb->protocol = eth_type_trans(skb, ai->dev);
3404 skb->ip_summed = CHECKSUM_NONE;
3410 static void airo_handle_tx(struct airo_info *ai, u16 status)
3412 int i, len = 0, index = -1;
3415 if (test_bit(FLAG_MPI, &ai->flags)) {
3416 unsigned long flags;
3418 if (status & EV_TXEXC)
3419 get_tx_error(ai, -1);
3421 spin_lock_irqsave(&ai->aux_lock, flags);
3422 if (!skb_queue_empty(&ai->txq)) {
3423 spin_unlock_irqrestore(&ai->aux_lock,flags);
3424 mpi_send_packet(ai->dev);
3426 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3427 spin_unlock_irqrestore(&ai->aux_lock,flags);
3428 netif_wake_queue(ai->dev);
3430 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3434 fid = IN4500(ai, TXCOMPLFID);
3436 for(i = 0; i < MAX_FIDS; i++) {
3437 if ((ai->fids[i] & 0xffff) == fid) {
3438 len = ai->fids[i] >> 16;
3444 if (status & EV_TXEXC)
3445 get_tx_error(ai, index);
3447 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3449 /* Set up to be used again */
3450 ai->fids[index] &= 0xffff;
3451 if (index < MAX_FIDS / 2) {
3452 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3453 netif_wake_queue(ai->dev);
3455 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3456 netif_wake_queue(ai->wifidev);
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3460 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3464 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3466 struct net_device *dev = dev_id;
3467 u16 status, savedInterrupts = 0;
3468 struct airo_info *ai = dev->ml_priv;
3471 if (!netif_device_present(dev))
3475 status = IN4500(ai, EVSTAT);
3476 if (!(status & STATUS_INTS) || (status == 0xffff))
3481 if (status & EV_AWAKE) {
3482 OUT4500(ai, EVACK, EV_AWAKE);
3483 OUT4500(ai, EVACK, EV_AWAKE);
3486 if (!savedInterrupts) {
3487 savedInterrupts = IN4500(ai, EVINTEN);
3488 OUT4500(ai, EVINTEN, 0);
3491 if (status & EV_MIC) {
3492 OUT4500(ai, EVACK, EV_MIC);
3493 airo_handle_cisco_mic(ai);
3496 if (status & EV_LINK) {
3497 /* Link status changed */
3498 airo_handle_link(ai);
3501 /* Check to see if there is something to receive */
3505 /* Check to see if a packet has been transmitted */
3506 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3507 airo_handle_tx(ai, status);
3509 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3510 airo_print_warn(ai->dev->name, "Got weird status %x",
3511 status & ~STATUS_INTS & ~IGNORE_INTS );
3515 if (savedInterrupts)
3516 OUT4500(ai, EVINTEN, savedInterrupts);
3518 return IRQ_RETVAL(handled);
3522 * Routines to talk to the card
3526 * This was originally written for the 4500, hence the name
3527 * NOTE: If use with 8bit mode and SMP bad things will happen!
3528 * Why would some one do 8 bit IO in an SMP machine?!?
3530 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3531 if (test_bit(FLAG_MPI,&ai->flags))
3534 outw( val, ai->dev->base_addr + reg );
3536 outb( val & 0xff, ai->dev->base_addr + reg );
3537 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3541 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3544 if (test_bit(FLAG_MPI,&ai->flags))
3547 rc = inw( ai->dev->base_addr + reg );
3549 rc = inb( ai->dev->base_addr + reg );
3550 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3555 static int enable_MAC(struct airo_info *ai, int lock)
3561 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3562 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3563 * Note : we could try to use !netif_running(dev) in enable_MAC()
3564 * instead of this flag, but I don't trust it *within* the
3565 * open/close functions, and testing both flags together is
3566 * "cheaper" - Jean II */
3567 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3569 if (lock && down_interruptible(&ai->sem))
3570 return -ERESTARTSYS;
3572 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_ENABLE;
3575 rc = issuecommand(ai, &cmd, &rsp);
3577 set_bit(FLAG_ENABLED, &ai->flags);
3585 airo_print_err(ai->dev->name, "Cannot enable MAC");
3586 else if ((rsp.status & 0xFF00) != 0) {
3587 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3588 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3594 static void disable_MAC( struct airo_info *ai, int lock ) {
3598 if (lock && down_interruptible(&ai->sem))
3601 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3602 memset(&cmd, 0, sizeof(cmd));
3603 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3604 issuecommand(ai, &cmd, &rsp);
3605 clear_bit(FLAG_ENABLED, &ai->flags);
3611 static void enable_interrupts( struct airo_info *ai ) {
3612 /* Enable the interrupts */
3613 OUT4500( ai, EVINTEN, STATUS_INTS );
3616 static void disable_interrupts( struct airo_info *ai ) {
3617 OUT4500( ai, EVINTEN, 0 );
3620 static void mpi_receive_802_3(struct airo_info *ai)
3624 struct sk_buff *skb;
3629 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3630 /* Make sure we got something */
3631 if (rxd.rdy && rxd.valid == 0) {
3633 if (len < 12 || len > 2048)
3636 skb = dev_alloc_skb(len);
3638 ai->dev->stats.rx_dropped++;
3641 buffer = skb_put(skb,len);
3642 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3643 if (ai->micstats.enabled) {
3645 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3647 if (ntohs(micbuf.typelen) <= 0x05DC) {
3648 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3651 off = sizeof(micbuf);
3652 skb_trim (skb, len - off);
3655 memcpy(buffer + ETH_ALEN * 2,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3657 len - ETH_ALEN * 2 - off);
3658 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3660 dev_kfree_skb_irq (skb);
3664 if (ai->spy_data.spy_number > 0) {
3666 struct iw_quality wstats;
3667 /* Prepare spy data : addr + qual */
3668 sa = buffer + ETH_ALEN;
3669 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3672 /* Update spy records */
3673 wireless_spy_update(ai->dev, sa, &wstats);
3675 #endif /* WIRELESS_SPY */
3677 skb->ip_summed = CHECKSUM_NONE;
3678 skb->protocol = eth_type_trans(skb, ai->dev);
3682 if (rxd.valid == 0) {
3686 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3690 static void mpi_receive_802_11(struct airo_info *ai)
3693 struct sk_buff *skb = NULL;
3694 u16 len, hdrlen = 0;
3699 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3701 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3702 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3704 /* Bad CRC. Ignore packet */
3705 if (le16_to_cpu(hdr.status) & 2)
3707 if (ai->wifidev == NULL)
3709 len = le16_to_cpu(hdr.len);
3710 if (len > AIRO_DEF_MTU) {
3711 airo_print_err(ai->dev->name, "Bad size %d", len);
3717 fc = get_unaligned((__le16 *)ptr);
3718 hdrlen = header_len(fc);
3720 skb = dev_alloc_skb( len + hdrlen + 2 );
3722 ai->dev->stats.rx_dropped++;
3725 buffer = (u16*)skb_put (skb, len + hdrlen);
3726 memcpy ((char *)buffer, ptr, hdrlen);
3730 gap = get_unaligned_le16(ptr);
3731 ptr += sizeof(__le16);
3736 airo_print_err(ai->dev->name,
3737 "gaplen too big. Problems will follow...");
3739 memcpy ((char *)buffer + hdrlen, ptr, len);
3741 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3742 if (ai->spy_data.spy_number > 0) {
3744 struct iw_quality wstats;
3745 /* Prepare spy data : addr + qual */
3746 sa = (char*)buffer + 10;
3747 wstats.qual = hdr.rssi[0];
3749 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3751 wstats.level = (hdr.rssi[1] + 321) / 2;
3752 wstats.noise = ai->wstats.qual.noise;
3753 wstats.updated = IW_QUAL_QUAL_UPDATED
3754 | IW_QUAL_LEVEL_UPDATED
3756 /* Update spy records */
3757 wireless_spy_update(ai->dev, sa, &wstats);
3759 #endif /* IW_WIRELESS_SPY */
3760 skb_reset_mac_header(skb);
3761 skb->pkt_type = PACKET_OTHERHOST;
3762 skb->dev = ai->wifidev;
3763 skb->protocol = htons(ETH_P_802_2);
3764 skb->ip_summed = CHECKSUM_NONE;
3768 if (rxd.valid == 0) {
3772 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3776 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3786 memset( &mySsid, 0, sizeof( mySsid ) );
3790 /* The NOP is the first step in getting the card going */
3792 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3793 if (lock && down_interruptible(&ai->sem))
3795 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3800 disable_MAC( ai, 0);
3802 // Let's figure out if we need to use the AUX port
3803 if (!test_bit(FLAG_MPI,&ai->flags)) {
3804 cmd.cmd = CMD_ENABLEAUX;
3805 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3808 airo_print_err(ai->dev->name, "Error checking for AUX port");
3811 if (!aux_bap || rsp.status & 0xff00) {
3812 ai->bap_read = fast_bap_read;
3813 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3815 ai->bap_read = aux_bap_read;
3816 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3821 if (ai->config.len == 0) {
3823 tdsRssiRid rssi_rid;
3824 CapabilityRid cap_rid;
3830 // general configuration (read/modify/write)
3831 status = readConfigRid(ai, lock);
3832 if ( status != SUCCESS ) return ERROR;
3834 status = readCapabilityRid(ai, &cap_rid, lock);
3835 if ( status != SUCCESS ) return ERROR;
3837 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3838 if ( status == SUCCESS ) {
3839 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3840 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3845 if (cap_rid.softCap & cpu_to_le16(8))
3846 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3848 airo_print_warn(ai->dev->name, "unknown received signal "
3851 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3852 ai->config.authType = AUTH_OPEN;
3853 ai->config.modulation = MOD_CCK;
3855 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3856 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3857 micsetup(ai) == SUCCESS) {
3858 ai->config.opmode |= MODE_MIC;
3859 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3862 /* Save off the MAC */
3863 for( i = 0; i < ETH_ALEN; i++ ) {
3864 mac[i] = ai->config.macAddr[i];
3867 /* Check to see if there are any insmod configured
3870 memset(ai->config.rates,0,sizeof(ai->config.rates));
3871 for( i = 0; i < 8 && rates[i]; i++ ) {
3872 ai->config.rates[i] = rates[i];
3875 if ( basic_rate > 0 ) {
3876 for( i = 0; i < 8; i++ ) {
3877 if ( ai->config.rates[i] == basic_rate ||
3878 !ai->config.rates ) {
3879 ai->config.rates[i] = basic_rate | 0x80;
3884 set_bit (FLAG_COMMIT, &ai->flags);
3887 /* Setup the SSIDs if present */
3890 for( i = 0; i < 3 && ssids[i]; i++ ) {
3891 size_t len = strlen(ssids[i]);
3894 mySsid.ssids[i].len = cpu_to_le16(len);
3895 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3897 mySsid.len = cpu_to_le16(sizeof(mySsid));
3900 status = writeConfigRid(ai, lock);
3901 if ( status != SUCCESS ) return ERROR;
3903 /* Set up the SSID list */
3905 status = writeSsidRid(ai, &mySsid, lock);
3906 if ( status != SUCCESS ) return ERROR;
3909 status = enable_MAC(ai, lock);
3910 if (status != SUCCESS)
3913 /* Grab the initial wep key, we gotta save it for auto_wep */
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
3917 if (wkr.kindex == cpu_to_le16(0xffff)) {
3918 ai->defindex = wkr.mac[0];
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3928 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3929 // Im really paranoid about letting it run forever!
3930 int max_tries = 600000;
3932 if (IN4500(ai, EVSTAT) & EV_CMD)
3933 OUT4500(ai, EVACK, EV_CMD);
3935 OUT4500(ai, PARAM0, pCmd->parm0);
3936 OUT4500(ai, PARAM1, pCmd->parm1);
3937 OUT4500(ai, PARAM2, pCmd->parm2);
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3940 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3941 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3942 // PC4500 didn't notice command, try again
3943 OUT4500(ai, COMMAND, pCmd->cmd);
3944 if (!in_atomic() && (max_tries & 255) == 0)
3948 if ( max_tries == -1 ) {
3949 airo_print_err(ai->dev->name,
3950 "Max tries exceeded when issueing command");
3951 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3956 // command completed
3957 pRsp->status = IN4500(ai, STATUS);
3958 pRsp->rsp0 = IN4500(ai, RESP0);
3959 pRsp->rsp1 = IN4500(ai, RESP1);
3960 pRsp->rsp2 = IN4500(ai, RESP2);
3961 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3962 airo_print_err(ai->dev->name,
3963 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3964 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3967 // clear stuck command busy if necessary
3968 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3971 // acknowledge processing the status/response
3972 OUT4500(ai, EVACK, EV_CMD);
3977 /* Sets up the bap to start exchange data. whichbap should
3978 * be one of the BAP0 or BAP1 defines. Locks should be held before
3980 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3985 OUT4500(ai, SELECT0+whichbap, rid);
3986 OUT4500(ai, OFFSET0+whichbap, offset);
3988 int status = IN4500(ai, OFFSET0+whichbap);
3989 if (status & BAP_BUSY) {
3990 /* This isn't really a timeout, but its kinda
3995 } else if ( status & BAP_ERR ) {
3996 /* invalid rid or offset */
3997 airo_print_err(ai->dev->name, "BAP error %x %d",
4000 } else if (status & BAP_DONE) { // success
4003 if ( !(max_tries--) ) {
4004 airo_print_err(ai->dev->name,
4005 "BAP setup error too many retries\n");
4008 // -- PC4500 missed it, try again
4009 OUT4500(ai, SELECT0+whichbap, rid);
4010 OUT4500(ai, OFFSET0+whichbap, offset);
4015 /* should only be called by aux_bap_read. This aux function and the
4016 following use concepts not documented in the developers guide. I
4017 got them from a patch given to my by Aironet */
4018 static u16 aux_setup(struct airo_info *ai, u16 page,
4019 u16 offset, u16 *len)
4023 OUT4500(ai, AUXPAGE, page);
4024 OUT4500(ai, AUXOFF, 0);
4025 next = IN4500(ai, AUXDATA);
4026 *len = IN4500(ai, AUXDATA)&0xff;
4027 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4031 /* requires call to bap_setup() first */
4032 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4033 int bytelen, int whichbap)
4041 unsigned long flags;
4043 spin_lock_irqsave(&ai->aux_lock, flags);
4044 page = IN4500(ai, SWS0+whichbap);
4045 offset = IN4500(ai, SWS2+whichbap);
4046 next = aux_setup(ai, page, offset, &len);
4047 words = (bytelen+1)>>1;
4049 for (i=0; i<words;) {
4051 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4053 insw( ai->dev->base_addr+DATA0+whichbap,
4056 insb( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i, count << 1 );
4060 next = aux_setup(ai, next, 4, &len);
4063 spin_unlock_irqrestore(&ai->aux_lock, flags);
4068 /* requires call to bap_setup() first */
4069 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4070 int bytelen, int whichbap)
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4074 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4076 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4080 /* requires call to bap_setup() first */
4081 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4082 int bytelen, int whichbap)
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4086 outsw( ai->dev->base_addr+DATA0+whichbap,
4087 pu16Src, bytelen>>1 );
4089 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4093 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4095 Cmd cmd; /* for issuing commands */
4096 Resp rsp; /* response from commands */
4099 memset(&cmd, 0, sizeof(cmd));
4102 status = issuecommand(ai, &cmd, &rsp);
4103 if (status != 0) return status;
4104 if ( (rsp.status & 0x7F00) != 0) {
4105 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4110 /* Note, that we are using BAP1 which is also used by transmit, so
4111 * we must get a lock. */
4112 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4118 if (down_interruptible(&ai->sem))
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4127 ai->config_desc.rid_desc.valid = 1;
4128 ai->config_desc.rid_desc.len = RIDSIZE;
4129 ai->config_desc.rid_desc.rid = 0;
4130 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4132 cmd.cmd = CMD_ACCESS;
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4138 rc = issuecommand(ai, &cmd, &rsp);
4140 if (rsp.status & 0x7f00)
4143 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4146 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4150 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4154 // read the rid length field
4155 bap_read(ai, pBuf, 2, BAP1);
4156 // length for remaining part of rid
4157 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4160 airo_print_err(ai->dev->name,
4161 "Rid %x has a length of %d which is too short",
4162 (int)rid, (int)len );
4166 // read remainder of the rid
4167 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4175 /* Note, that we are using BAP1 which is also used by transmit, so
4176 * make sure this isnt called when a transmit is happening */
4177 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4178 const void *pBuf, int len, int lock)
4183 *(__le16*)pBuf = cpu_to_le16((u16)len);
4186 if (down_interruptible(&ai->sem))
4189 if (test_bit(FLAG_MPI,&ai->flags)) {
4193 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4194 airo_print_err(ai->dev->name,
4195 "%s: MAC should be disabled (rid=%04x)",
4197 memset(&cmd, 0, sizeof(cmd));
4198 memset(&rsp, 0, sizeof(rsp));
4200 ai->config_desc.rid_desc.valid = 1;
4201 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4202 ai->config_desc.rid_desc.rid = 0;
4204 cmd.cmd = CMD_WRITERID;
4207 memcpy_toio(ai->config_desc.card_ram_off,
4208 &ai->config_desc.rid_desc, sizeof(Rid));
4210 if (len < 4 || len > 2047) {
4211 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4214 memcpy((char *)ai->config_desc.virtual_host_addr,
4217 rc = issuecommand(ai, &cmd, &rsp);
4218 if ((rc & 0xff00) != 0) {
4219 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4221 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4225 if ((rsp.status & 0x7f00))
4229 // --- first access so that we can write the rid data
4230 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4234 // --- now write the rid data
4235 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4239 bap_write(ai, pBuf, len, BAP1);
4240 // ---now commit the rid data
4241 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4249 /* Allocates a FID to be used for transmitting packets. We only use
4251 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4253 unsigned int loop = 3000;
4259 cmd.cmd = CMD_ALLOCATETX;
4260 cmd.parm0 = lenPayload;
4261 if (down_interruptible(&ai->sem))
4263 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4267 if ( (rsp.status & 0xFF00) != 0) {
4271 /* wait for the allocate event/indication
4272 * It makes me kind of nervous that this can just sit here and spin,
4273 * but in practice it only loops like four times. */
4274 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4280 // get the allocated fid and acknowledge
4281 txFid = IN4500(ai, TXALLOCFID);
4282 OUT4500(ai, EVACK, EV_ALLOC);
4284 /* The CARD is pretty cool since it converts the ethernet packet
4285 * into 802.11. Also note that we don't release the FID since we
4286 * will be using the same one over and over again. */
4287 /* We only have to setup the control once since we are not
4288 * releasing the fid. */
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4298 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4306 /* In general BAP1 is dedicated to transmiting packets. However,
4307 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4308 Make sure the BAP1 spinlock is held when this is called. */
4309 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4320 if (len <= ETH_ALEN * 2) {
4321 airo_print_warn(ai->dev->name, "Short packet %d", len);
4324 len -= ETH_ALEN * 2;
4326 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4327 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4328 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4330 miclen = sizeof(pMic);
4332 // packet is destination[6], source[6], payload[len-12]
4333 // write the payload length and dst/src/payload
4334 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4335 /* The hardware addresses aren't counted as part of the payload, so
4336 * we have to subtract the 12 bytes for the addresses off */
4337 payloadLen = cpu_to_le16(len + miclen);
4338 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4339 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4341 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4342 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4343 // issue the transmit command
4344 memset( &cmd, 0, sizeof( cmd ) );
4345 cmd.cmd = CMD_TRANSMIT;
4347 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4348 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4352 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4354 __le16 fc, payloadLen;
4358 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4359 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4363 fc = *(__le16*)pPacket;
4364 hdrlen = header_len(fc);
4367 airo_print_warn(ai->dev->name, "Short packet %d", len);
4371 /* packet is 802.11 header + payload
4372 * write the payload length and dst/src/payload */
4373 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4374 /* The 802.11 header aren't counted as part of the payload, so
4375 * we have to subtract the header bytes off */
4376 payloadLen = cpu_to_le16(len-hdrlen);
4377 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4378 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4379 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4380 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4382 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4383 // issue the transmit command
4384 memset( &cmd, 0, sizeof( cmd ) );
4385 cmd.cmd = CMD_TRANSMIT;
4387 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4388 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4393 * This is the proc_fs routines. It is a bit messier than I would
4394 * like! Feel free to clean it up!
4397 static ssize_t proc_read( struct file *file,
4398 char __user *buffer,
4402 static ssize_t proc_write( struct file *file,
4403 const char __user *buffer,
4406 static int proc_close( struct inode *inode, struct file *file );
4408 static int proc_stats_open( struct inode *inode, struct file *file );
4409 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4410 static int proc_status_open( struct inode *inode, struct file *file );
4411 static int proc_SSID_open( struct inode *inode, struct file *file );
4412 static int proc_APList_open( struct inode *inode, struct file *file );
4413 static int proc_BSSList_open( struct inode *inode, struct file *file );
4414 static int proc_config_open( struct inode *inode, struct file *file );
4415 static int proc_wepkey_open( struct inode *inode, struct file *file );
4417 static const struct file_operations proc_statsdelta_ops = {
4418 .owner = THIS_MODULE,
4420 .open = proc_statsdelta_open,
4421 .release = proc_close
4424 static const struct file_operations proc_stats_ops = {
4425 .owner = THIS_MODULE,
4427 .open = proc_stats_open,
4428 .release = proc_close
4431 static const struct file_operations proc_status_ops = {
4432 .owner = THIS_MODULE,
4434 .open = proc_status_open,
4435 .release = proc_close
4438 static const struct file_operations proc_SSID_ops = {
4439 .owner = THIS_MODULE,
4441 .write = proc_write,
4442 .open = proc_SSID_open,
4443 .release = proc_close
4446 static const struct file_operations proc_BSSList_ops = {
4447 .owner = THIS_MODULE,
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4454 static const struct file_operations proc_APList_ops = {
4455 .owner = THIS_MODULE,
4457 .write = proc_write,
4458 .open = proc_APList_open,
4459 .release = proc_close
4462 static const struct file_operations proc_config_ops = {
4463 .owner = THIS_MODULE,
4465 .write = proc_write,
4466 .open = proc_config_open,
4467 .release = proc_close
4470 static const struct file_operations proc_wepkey_ops = {
4471 .owner = THIS_MODULE,
4473 .write = proc_write,
4474 .open = proc_wepkey_open,
4475 .release = proc_close
4478 static struct proc_dir_entry *airo_entry;
4487 void (*on_close) (struct inode *, struct file *);
4490 static int setup_proc_entry( struct net_device *dev,
4491 struct airo_info *apriv ) {
4492 struct proc_dir_entry *entry;
4493 /* First setup the device directory */
4494 strcpy(apriv->proc_name,dev->name);
4495 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4498 if (!apriv->proc_entry)
4500 apriv->proc_entry->uid = proc_uid;
4501 apriv->proc_entry->gid = proc_gid;
4503 /* Setup the StatsDelta */
4504 entry = proc_create_data("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4506 apriv->proc_entry, &proc_statsdelta_ops, dev);
4508 goto fail_stats_delta;
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
4512 /* Setup the Stats */
4513 entry = proc_create_data("Stats",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry, &proc_stats_ops, dev);
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
4521 /* Setup the Status */
4522 entry = proc_create_data("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry, &proc_status_ops, dev);
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4530 /* Setup the Config */
4531 entry = proc_create_data("Config",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_config_ops, dev);
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4539 /* Setup the SSID */
4540 entry = proc_create_data("SSID",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_SSID_ops, dev);
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4548 /* Setup the APList */
4549 entry = proc_create_data("APList",
4550 S_IFREG | proc_perm,
4551 apriv->proc_entry, &proc_APList_ops, dev);
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
4557 /* Setup the BSSList */
4558 entry = proc_create_data("BSSList",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry, &proc_BSSList_ops, dev);
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
4566 /* Setup the WepKey */
4567 entry = proc_create_data("WepKey",
4568 S_IFREG | proc_perm,
4569 apriv->proc_entry, &proc_wepkey_ops, dev);
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
4578 remove_proc_entry("BSSList", apriv->proc_entry);
4580 remove_proc_entry("APList", apriv->proc_entry);
4582 remove_proc_entry("SSID", apriv->proc_entry);
4584 remove_proc_entry("Config", apriv->proc_entry);
4586 remove_proc_entry("Status", apriv->proc_entry);
4588 remove_proc_entry("Stats", apriv->proc_entry);
4590 remove_proc_entry("StatsDelta", apriv->proc_entry);
4592 remove_proc_entry(apriv->proc_name, airo_entry);
4597 static int takedown_proc_entry( struct net_device *dev,
4598 struct airo_info *apriv ) {
4599 if ( !apriv->proc_entry->namelen ) return 0;
4600 remove_proc_entry("Stats",apriv->proc_entry);
4601 remove_proc_entry("StatsDelta",apriv->proc_entry);
4602 remove_proc_entry("Status",apriv->proc_entry);
4603 remove_proc_entry("Config",apriv->proc_entry);
4604 remove_proc_entry("SSID",apriv->proc_entry);
4605 remove_proc_entry("APList",apriv->proc_entry);
4606 remove_proc_entry("BSSList",apriv->proc_entry);
4607 remove_proc_entry("WepKey",apriv->proc_entry);
4608 remove_proc_entry(apriv->proc_name,airo_entry);
4613 * What we want from the proc_fs is to be able to efficiently read
4614 * and write the configuration. To do this, we want to read the
4615 * configuration when the file is opened and write it when the file is
4616 * closed. So basically we allocate a read buffer at open and fill it
4617 * with data, and allocate a write buffer and read it at close.
4621 * The read routine is generic, it relies on the preallocated rbuffer
4622 * to supply the data.
4624 static ssize_t proc_read( struct file *file,
4625 char __user *buffer,
4629 struct proc_data *priv = file->private_data;
4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4639 * The write routine is generic, it fills in a preallocated rbuffer
4640 * to supply the data.
4642 static ssize_t proc_write( struct file *file,
4643 const char __user *buffer,
4647 loff_t pos = *offset;
4648 struct proc_data *priv = (struct proc_data*)file->private_data;
4655 if (pos >= priv->maxwritelen)
4657 if (len > priv->maxwritelen - pos)
4658 len = priv->maxwritelen - pos;
4659 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4661 if ( pos + len > priv->writelen )
4662 priv->writelen = len + file->f_pos;
4663 *offset = pos + len;
4667 static int proc_status_open(struct inode *inode, struct file *file)
4669 struct proc_data *data;
4670 struct proc_dir_entry *dp = PDE(inode);
4671 struct net_device *dev = dp->data;
4672 struct airo_info *apriv = dev->ml_priv;
4673 CapabilityRid cap_rid;
4674 StatusRid status_rid;
4678 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4680 data = (struct proc_data *)file->private_data;
4681 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4682 kfree (file->private_data);
4686 readStatusRid(apriv, &status_rid, 1);
4687 readCapabilityRid(apriv, &cap_rid, 1);
4689 mode = le16_to_cpu(status_rid.mode);
4691 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4692 mode & 1 ? "CFG ": "",
4693 mode & 2 ? "ACT ": "",
4694 mode & 0x10 ? "SYN ": "",
4695 mode & 0x20 ? "LNK ": "",
4696 mode & 0x40 ? "LEAP ": "",
4697 mode & 0x80 ? "PRIV ": "",
4698 mode & 0x100 ? "KEY ": "",
4699 mode & 0x200 ? "WEP ": "",
4700 mode & 0x8000 ? "ERR ": "");
4701 sprintf( data->rbuffer+i, "Mode: %x\n"
4702 "Signal Strength: %d\n"
4703 "Signal Quality: %d\n"
4708 "Driver Version: %s\n"
4709 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4710 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4711 "Software Version: %x\nSoftware Subversion: %x\n"
4712 "Boot block version: %x\n",
4713 le16_to_cpu(status_rid.mode),
4714 le16_to_cpu(status_rid.normalizedSignalStrength),
4715 le16_to_cpu(status_rid.signalQuality),
4716 le16_to_cpu(status_rid.SSIDlen),
4719 le16_to_cpu(status_rid.channel),
4720 le16_to_cpu(status_rid.currentXmitRate) / 2,
4725 le16_to_cpu(cap_rid.radioType),
4726 le16_to_cpu(cap_rid.country),
4727 le16_to_cpu(cap_rid.hardVer),
4728 le16_to_cpu(cap_rid.softVer),
4729 le16_to_cpu(cap_rid.softSubVer),
4730 le16_to_cpu(cap_rid.bootBlockVer));
4731 data->readlen = strlen( data->rbuffer );
4735 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4736 static int proc_statsdelta_open( struct inode *inode,
4737 struct file *file ) {
4738 if (file->f_mode&FMODE_WRITE) {
4739 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4741 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4744 static int proc_stats_open( struct inode *inode, struct file *file ) {
4745 return proc_stats_rid_open(inode, file, RID_STATS);
4748 static int proc_stats_rid_open( struct inode *inode,
4752 struct proc_data *data;
4753 struct proc_dir_entry *dp = PDE(inode);
4754 struct net_device *dev = dp->data;
4755 struct airo_info *apriv = dev->ml_priv;
4758 __le32 *vals = stats.vals;
4761 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4763 data = (struct proc_data *)file->private_data;
4764 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4765 kfree (file->private_data);
4769 readStatsRid(apriv, &stats, rid, 1);
4770 len = le16_to_cpu(stats.len);
4773 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4774 if (!statsLabels[i]) continue;
4775 if (j+strlen(statsLabels[i])+16>4096) {
4776 airo_print_warn(apriv->dev->name,
4777 "Potentially disasterous buffer overflow averted!");
4780 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4781 le32_to_cpu(vals[i]));
4784 airo_print_warn(apriv->dev->name, "Got a short rid");
4790 static int get_dec_u16( char *buffer, int *start, int limit ) {
4793 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4794 buffer[*start] <= '9'; (*start)++) {
4797 value += buffer[*start] - '0';
4799 if ( !valid ) return -1;
4803 static int airo_config_commit(struct net_device *dev,
4804 struct iw_request_info *info, void *zwrq,
4807 static inline int sniffing_mode(struct airo_info *ai)
4809 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4810 le16_to_cpu(RXMODE_RFMON);
4813 static void proc_config_on_close(struct inode *inode, struct file *file)
4815 struct proc_data *data = file->private_data;
4816 struct proc_dir_entry *dp = PDE(inode);
4817 struct net_device *dev = dp->data;
4818 struct airo_info *ai = dev->ml_priv;
4821 if ( !data->writelen ) return;
4823 readConfigRid(ai, 1);
4824 set_bit (FLAG_COMMIT, &ai->flags);
4826 line = data->wbuffer;
4828 /*** Mode processing */
4829 if ( !strncmp( line, "Mode: ", 6 ) ) {
4831 if (sniffing_mode(ai))
4832 set_bit (FLAG_RESET, &ai->flags);
4833 ai->config.rmode &= ~RXMODE_FULL_MASK;
4834 clear_bit (FLAG_802_11, &ai->flags);
4835 ai->config.opmode &= ~MODE_CFG_MASK;
4836 ai->config.scanMode = SCANMODE_ACTIVE;
4837 if ( line[0] == 'a' ) {
4838 ai->config.opmode |= MODE_STA_IBSS;
4840 ai->config.opmode |= MODE_STA_ESS;
4841 if ( line[0] == 'r' ) {
4842 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'y' ) {
4846 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4847 ai->config.scanMode = SCANMODE_PASSIVE;
4848 set_bit (FLAG_802_11, &ai->flags);
4849 } else if ( line[0] == 'l' )
4850 ai->config.rmode |= RXMODE_LANMON;
4852 set_bit (FLAG_COMMIT, &ai->flags);
4855 /*** Radio status */
4856 else if (!strncmp(line,"Radio: ", 7)) {
4858 if (!strncmp(line,"off",3)) {
4859 set_bit (FLAG_RADIO_OFF, &ai->flags);
4861 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4864 /*** NodeName processing */
4865 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4869 memset( ai->config.nodeName, 0, 16 );
4870 /* Do the name, assume a space between the mode and node name */
4871 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4872 ai->config.nodeName[j] = line[j];
4874 set_bit (FLAG_COMMIT, &ai->flags);
4877 /*** PowerMode processing */
4878 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4880 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if ( !strncmp( line, "PSP", 3 ) ) {
4884 ai->config.powerSaveMode = POWERSAVE_PSP;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4887 ai->config.powerSaveMode = POWERSAVE_CAM;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4891 int v, i = 0, k = 0; /* i is index into line,
4892 k is index to rates */
4895 while((v = get_dec_u16(line, &i, 3))!=-1) {
4896 ai->config.rates[k++] = (u8)v;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4904 v = get_dec_u16(line, &i, i+3);
4906 ai->config.channelSet = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4909 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4912 v = get_dec_u16(line, &i, i+3);
4914 ai->config.txPower = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4917 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4921 ai->config.authType = AUTH_SHAREDKEY;
4924 ai->config.authType = AUTH_ENCRYPT;
4927 ai->config.authType = AUTH_OPEN;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4935 v = get_dec_u16(line, &i, 3);
4936 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4937 ai->config.longRetryLimit = cpu_to_le16(v);
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4943 v = get_dec_u16(line, &i, 3);
4944 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4945 ai->config.shortRetryLimit = cpu_to_le16(v);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4951 v = get_dec_u16(line, &i, 4);
4952 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4953 ai->config.rtsThres = cpu_to_le16(v);
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4959 v = get_dec_u16(line, &i, 5);
4961 ai->config.txLifetime = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4967 v = get_dec_u16(line, &i, 5);
4969 ai->config.rxLifetime = cpu_to_le16(v);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4972 ai->config.txDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4977 ai->config.rxDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4985 v = get_dec_u16(line, &i, 4);
4986 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4987 v = v & 0xfffe; /* Make sure its even */
4988 ai->config.fragThresh = cpu_to_le16(v);
4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if (!strncmp(line, "Modulation: ", 12)) {
4993 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4994 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4998 } else if (!strncmp(line, "Preamble: ", 10)) {
5001 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5007 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5009 while( line[0] && line[0] != '\n' ) line++;
5010 if ( line[0] ) line++;
5012 airo_config_commit(dev, NULL, NULL, NULL);
5015 static char *get_rmode(__le16 mode)
5017 switch(mode & RXMODE_MASK) {
5018 case RXMODE_RFMON: return "rfmon";
5019 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5020 case RXMODE_LANMON: return "lanmon";
5025 static int proc_config_open(struct inode *inode, struct file *file)
5027 struct proc_data *data;
5028 struct proc_dir_entry *dp = PDE(inode);
5029 struct net_device *dev = dp->data;
5030 struct airo_info *ai = dev->ml_priv;
5034 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5036 data = (struct proc_data *)file->private_data;
5037 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (file->private_data);
5041 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5042 kfree (data->rbuffer);
5043 kfree (file->private_data);
5046 data->maxwritelen = 2048;
5047 data->on_close = proc_config_on_close;
5049 readConfigRid(ai, 1);
5051 mode = ai->config.opmode & MODE_CFG_MASK;
5052 i = sprintf( data->rbuffer,
5057 "DataRates: %d %d %d %d %d %d %d %d\n"
5060 mode == MODE_STA_IBSS ? "adhoc" :
5061 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5062 mode == MODE_AP ? "AP" :
5063 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5064 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5065 ai->config.nodeName,
5066 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5067 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5068 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5070 (int)ai->config.rates[0],
5071 (int)ai->config.rates[1],
5072 (int)ai->config.rates[2],
5073 (int)ai->config.rates[3],
5074 (int)ai->config.rates[4],
5075 (int)ai->config.rates[5],
5076 (int)ai->config.rates[6],
5077 (int)ai->config.rates[7],
5078 le16_to_cpu(ai->config.channelSet),
5079 le16_to_cpu(ai->config.txPower)
5081 sprintf( data->rbuffer + i,
5082 "LongRetryLimit: %d\n"
5083 "ShortRetryLimit: %d\n"
5084 "RTSThreshold: %d\n"
5085 "TXMSDULifetime: %d\n"
5086 "RXMSDULifetime: %d\n"
5089 "FragThreshold: %d\n"
5093 le16_to_cpu(ai->config.longRetryLimit),
5094 le16_to_cpu(ai->config.shortRetryLimit),
5095 le16_to_cpu(ai->config.rtsThres),
5096 le16_to_cpu(ai->config.txLifetime),
5097 le16_to_cpu(ai->config.rxLifetime),
5098 ai->config.txDiversity == 1 ? "left" :
5099 ai->config.txDiversity == 2 ? "right" : "both",
5100 ai->config.rxDiversity == 1 ? "left" :
5101 ai->config.rxDiversity == 2 ? "right" : "both",
5102 le16_to_cpu(ai->config.fragThresh),
5103 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5104 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5105 ai->config.modulation == MOD_DEFAULT ? "default" :
5106 ai->config.modulation == MOD_CCK ? "cck" :
5107 ai->config.modulation == MOD_MOK ? "mok" : "error",
5108 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5109 ai->config.preamble == PREAMBLE_LONG ? "long" :
5110 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5112 data->readlen = strlen( data->rbuffer );
5116 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5118 struct proc_data *data = (struct proc_data *)file->private_data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->ml_priv;
5124 char *p = data->wbuffer;
5125 char *end = p + data->writelen;
5127 if (!data->writelen)
5130 *end = '\n'; /* sentinel; we have space for it */
5132 memset(&SSID_rid, 0, sizeof(SSID_rid));
5134 for (i = 0; i < 3 && p < end; i++) {
5136 /* copy up to 32 characters from this line */
5137 while (*p != '\n' && j < 32)
5138 SSID_rid.ssids[i].ssid[j++] = *p++;
5141 SSID_rid.ssids[i].len = cpu_to_le16(j);
5142 /* skip to the beginning of the next line */
5143 while (*p++ != '\n')
5147 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5149 writeSsidRid(ai, &SSID_rid, 1);
5153 static inline u8 hexVal(char c) {
5154 if (c>='0' && c<='9') return c -= '0';
5155 if (c>='a' && c<='f') return c -= 'a'-10;
5156 if (c>='A' && c<='F') return c -= 'A'-10;
5160 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5161 struct proc_data *data = (struct proc_data *)file->private_data;
5162 struct proc_dir_entry *dp = PDE(inode);
5163 struct net_device *dev = dp->data;
5164 struct airo_info *ai = dev->ml_priv;
5165 APListRid APList_rid;
5168 if ( !data->writelen ) return;
5170 memset( &APList_rid, 0, sizeof(APList_rid) );
5171 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5173 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5175 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5178 APList_rid.ap[i][j/3]=
5179 hexVal(data->wbuffer[j+i*6*3])<<4;
5182 APList_rid.ap[i][j/3]|=
5183 hexVal(data->wbuffer[j+i*6*3]);
5189 writeAPListRid(ai, &APList_rid, 1);
5193 /* This function wraps PC4500_writerid with a MAC disable */
5194 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5195 int len, int dummy ) {
5199 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5204 /* Returns the WEP key at the specified index, or -1 if that key does
5205 * not exist. The buffer is assumed to be at least 16 bytes in length.
5207 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5213 rc = readWepKeyRid(ai, &wkr, 1, 1);
5217 lastindex = wkr.kindex;
5218 if (le16_to_cpu(wkr.kindex) == index) {
5219 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5220 memcpy(buf, wkr.key, klen);
5223 rc = readWepKeyRid(ai, &wkr, 0, 1);
5226 } while (lastindex != wkr.kindex);
5230 static int get_wep_tx_idx(struct airo_info *ai)
5236 rc = readWepKeyRid(ai, &wkr, 1, 1);
5240 lastindex = wkr.kindex;
5241 if (wkr.kindex == cpu_to_le16(0xffff))
5243 rc = readWepKeyRid(ai, &wkr, 0, 1);
5246 } while (lastindex != wkr.kindex);
5250 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5251 u16 keylen, int perm, int lock)
5253 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5257 WARN_ON(keylen == 0);
5259 memset(&wkr, 0, sizeof(wkr));
5260 wkr.len = cpu_to_le16(sizeof(wkr));
5261 wkr.kindex = cpu_to_le16(index);
5262 wkr.klen = cpu_to_le16(keylen);
5263 memcpy(wkr.key, key, keylen);
5264 memcpy(wkr.mac, macaddr, ETH_ALEN);
5266 if (perm) disable_MAC(ai, lock);
5267 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5268 if (perm) enable_MAC(ai, lock);
5272 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5277 memset(&wkr, 0, sizeof(wkr));
5278 wkr.len = cpu_to_le16(sizeof(wkr));
5279 wkr.kindex = cpu_to_le16(0xffff);
5280 wkr.mac[0] = (char)index;
5283 ai->defindex = (char)index;
5284 disable_MAC(ai, lock);
5287 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5290 enable_MAC(ai, lock);
5294 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5295 struct proc_data *data;
5296 struct proc_dir_entry *dp = PDE(inode);
5297 struct net_device *dev = dp->data;
5298 struct airo_info *ai = dev->ml_priv;
5304 memset(key, 0, sizeof(key));
5306 data = (struct proc_data *)file->private_data;
5307 if ( !data->writelen ) return;
5309 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5310 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5311 index = data->wbuffer[0] - '0';
5312 if (data->wbuffer[1] == '\n') {
5313 rc = set_wep_tx_idx(ai, index, 1, 1);
5315 airo_print_err(ai->dev->name, "failed to set "
5316 "WEP transmit index to %d: %d.",
5323 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5327 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5330 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5333 key[i/3] |= hexVal(data->wbuffer[i+j]);
5338 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5340 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5341 "%d: %d.", index, rc);
5345 static int proc_wepkey_open( struct inode *inode, struct file *file )
5347 struct proc_data *data;
5348 struct proc_dir_entry *dp = PDE(inode);
5349 struct net_device *dev = dp->data;
5350 struct airo_info *ai = dev->ml_priv;
5357 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5359 memset(&wkr, 0, sizeof(wkr));
5360 data = (struct proc_data *)file->private_data;
5361 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5362 kfree (file->private_data);
5366 data->maxwritelen = 80;
5367 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5368 kfree (data->rbuffer);
5369 kfree (file->private_data);
5372 data->on_close = proc_wepkey_on_close;
5374 ptr = data->rbuffer;
5375 strcpy(ptr, "No wep keys\n");
5376 rc = readWepKeyRid(ai, &wkr, 1, 1);
5377 if (rc == SUCCESS) do {
5378 lastindex = wkr.kindex;
5379 if (wkr.kindex == cpu_to_le16(0xffff)) {
5380 j += sprintf(ptr+j, "Tx key = %d\n",
5383 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5384 le16_to_cpu(wkr.kindex),
5385 le16_to_cpu(wkr.klen));
5387 readWepKeyRid(ai, &wkr, 0, 1);
5388 } while((lastindex != wkr.kindex) && (j < 180-30));
5390 data->readlen = strlen( data->rbuffer );
5394 static int proc_SSID_open(struct inode *inode, struct file *file)
5396 struct proc_data *data;
5397 struct proc_dir_entry *dp = PDE(inode);
5398 struct net_device *dev = dp->data;
5399 struct airo_info *ai = dev->ml_priv;
5404 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5406 data = (struct proc_data *)file->private_data;
5407 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5408 kfree (file->private_data);
5412 data->maxwritelen = 33*3;
5413 /* allocate maxwritelen + 1; we'll want a sentinel */
5414 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5415 kfree (data->rbuffer);
5416 kfree (file->private_data);
5419 data->on_close = proc_SSID_on_close;
5421 readSsidRid(ai, &SSID_rid);
5422 ptr = data->rbuffer;
5423 for (i = 0; i < 3; i++) {
5425 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5430 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5431 *ptr++ = SSID_rid.ssids[i].ssid[j];
5435 data->readlen = strlen( data->rbuffer );
5439 static int proc_APList_open( struct inode *inode, struct file *file ) {
5440 struct proc_data *data;
5441 struct proc_dir_entry *dp = PDE(inode);
5442 struct net_device *dev = dp->data;
5443 struct airo_info *ai = dev->ml_priv;
5446 APListRid APList_rid;
5448 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5450 data = (struct proc_data *)file->private_data;
5451 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5452 kfree (file->private_data);
5456 data->maxwritelen = 4*6*3;
5457 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5458 kfree (data->rbuffer);
5459 kfree (file->private_data);
5462 data->on_close = proc_APList_on_close;
5464 readAPListRid(ai, &APList_rid);
5465 ptr = data->rbuffer;
5466 for( i = 0; i < 4; i++ ) {
5467 // We end when we find a zero MAC
5468 if ( !*(int*)APList_rid.ap[i] &&
5469 !*(int*)&APList_rid.ap[i][2]) break;
5470 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5472 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5475 data->readlen = strlen( data->rbuffer );
5479 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5480 struct proc_data *data;
5481 struct proc_dir_entry *dp = PDE(inode);
5482 struct net_device *dev = dp->data;
5483 struct airo_info *ai = dev->ml_priv;
5485 BSSListRid BSSList_rid;
5487 /* If doLoseSync is not 1, we won't do a Lose Sync */
5488 int doLoseSync = -1;
5490 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5492 data = (struct proc_data *)file->private_data;
5493 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5494 kfree (file->private_data);
5498 data->maxwritelen = 0;
5499 data->wbuffer = NULL;
5500 data->on_close = NULL;
5502 if (file->f_mode & FMODE_WRITE) {
5503 if (!(file->f_mode & FMODE_READ)) {
5507 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5508 memset(&cmd, 0, sizeof(cmd));
5509 cmd.cmd=CMD_LISTBSS;
5510 if (down_interruptible(&ai->sem))
5511 return -ERESTARTSYS;
5512 issuecommand(ai, &cmd, &rsp);
5519 ptr = data->rbuffer;
5520 /* There is a race condition here if there are concurrent opens.
5521 Since it is a rare condition, we'll just live with it, otherwise
5522 we have to add a spin lock... */
5523 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5524 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5525 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5527 (int)BSSList_rid.ssidLen,
5529 le16_to_cpu(BSSList_rid.dBm));
5530 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5531 le16_to_cpu(BSSList_rid.dsChannel),
5532 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5533 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5534 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5535 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5536 rc = readBSSListRid(ai, 0, &BSSList_rid);
5539 data->readlen = strlen( data->rbuffer );
5543 static int proc_close( struct inode *inode, struct file *file )
5545 struct proc_data *data = file->private_data;
5547 if (data->on_close != NULL)
5548 data->on_close(inode, file);
5549 kfree(data->rbuffer);
5550 kfree(data->wbuffer);
5555 /* Since the card doesn't automatically switch to the right WEP mode,
5556 we will make it do it. If the card isn't associated, every secs we
5557 will switch WEP modes to see if that will help. If the card is
5558 associated we will check every minute to see if anything has
5560 static void timer_func( struct net_device *dev ) {
5561 struct airo_info *apriv = dev->ml_priv;
5563 /* We don't have a link so try changing the authtype */
5564 readConfigRid(apriv, 0);
5565 disable_MAC(apriv, 0);
5566 switch(apriv->config.authType) {
5568 /* So drop to OPEN */
5569 apriv->config.authType = AUTH_OPEN;
5571 case AUTH_SHAREDKEY:
5572 if (apriv->keyindex < auto_wep) {
5573 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5574 apriv->config.authType = AUTH_SHAREDKEY;
5577 /* Drop to ENCRYPT */
5578 apriv->keyindex = 0;
5579 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5580 apriv->config.authType = AUTH_ENCRYPT;
5583 default: /* We'll escalate to SHAREDKEY */
5584 apriv->config.authType = AUTH_SHAREDKEY;
5586 set_bit (FLAG_COMMIT, &apriv->flags);
5587 writeConfigRid(apriv, 0);
5588 enable_MAC(apriv, 0);
5591 /* Schedule check to see if the change worked */
5592 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5593 apriv->expires = RUN_AT(HZ*3);
5597 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5598 const struct pci_device_id *pent)
5600 struct net_device *dev;
5602 if (pci_enable_device(pdev))
5604 pci_set_master(pdev);
5606 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5607 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5609 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5611 pci_disable_device(pdev);
5615 pci_set_drvdata(pdev, dev);
5619 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5621 struct net_device *dev = pci_get_drvdata(pdev);
5623 airo_print_info(dev->name, "Unregistering...");
5624 stop_airo_card(dev, 1);
5625 pci_disable_device(pdev);
5626 pci_set_drvdata(pdev, NULL);
5629 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5631 struct net_device *dev = pci_get_drvdata(pdev);
5632 struct airo_info *ai = dev->ml_priv;
5637 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5641 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5644 readAPListRid(ai, ai->APList);
5645 readSsidRid(ai, ai->SSID);
5646 memset(&cmd, 0, sizeof(cmd));
5647 /* the lock will be released at the end of the resume callback */
5648 if (down_interruptible(&ai->sem))
5651 netif_device_detach(dev);
5653 cmd.cmd = HOSTSLEEP;
5654 issuecommand(ai, &cmd, &rsp);
5656 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5657 pci_save_state(pdev);
5658 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5662 static int airo_pci_resume(struct pci_dev *pdev)
5664 struct net_device *dev = pci_get_drvdata(pdev);
5665 struct airo_info *ai = dev->ml_priv;
5666 pci_power_t prev_state = pdev->current_state;
5668 pci_set_power_state(pdev, PCI_D0);
5669 pci_restore_state(pdev);
5670 pci_enable_wake(pdev, PCI_D0, 0);
5672 if (prev_state != PCI_D1) {
5674 mpi_init_descriptors(ai);
5675 setup_card(ai, dev->dev_addr, 0);
5676 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5677 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 OUT4500(ai, EVACK, EV_AWAKEN);
5684 set_bit(FLAG_COMMIT, &ai->flags);
5688 writeSsidRid(ai, ai->SSID, 0);
5693 writeAPListRid(ai, ai->APList, 0);
5697 writeConfigRid(ai, 0);
5699 ai->power = PMSG_ON;
5700 netif_device_attach(dev);
5701 netif_wake_queue(dev);
5702 enable_interrupts(ai);
5708 static int __init airo_init_module( void )
5712 airo_entry = create_proc_entry("driver/aironet",
5713 S_IFDIR | airo_perm,
5717 airo_entry->uid = proc_uid;
5718 airo_entry->gid = proc_gid;
5721 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5722 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5723 "io=0x%x", irq[i], io[i] );
5724 if (init_airo_card( irq[i], io[i], 0, NULL ))
5729 airo_print_info("", "Probing for PCI adapters");
5730 i = pci_register_driver(&airo_driver);
5731 airo_print_info("", "Finished probing for PCI adapters");
5734 remove_proc_entry("driver/aironet", NULL);
5739 /* Always exit with success, as we are a library module
5740 * as well as a driver module
5745 static void __exit airo_cleanup_module( void )
5747 struct airo_info *ai;
5748 while(!list_empty(&airo_devices)) {
5749 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5750 airo_print_info(ai->dev->name, "Unregistering...");
5751 stop_airo_card(ai->dev, 1);
5754 pci_unregister_driver(&airo_driver);
5756 remove_proc_entry("driver/aironet", NULL);
5760 * Initial Wireless Extension code for Aironet driver by :
5761 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5762 * Conversion to new driver API by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5764 * Javier also did a good amount of work here, adding some new extensions
5765 * and fixing my code. Let's just say that without him this code just
5766 * would not work at all... - Jean II
5769 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5774 return (0x100 - rssi_rid[rssi].rssidBm);
5777 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5784 for (i = 0; i < 256; i++)
5785 if (rssi_rid[i].rssidBm == dbm)
5786 return rssi_rid[i].rssipct;
5792 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5797 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5800 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5803 sq = le16_to_cpu(status_rid->signalQuality);
5804 if (memcmp(cap_rid->prodName, "350", 3))
5808 quality = 0x20 - sq;
5815 quality = 0xb0 - sq;
5819 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5820 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5822 /*------------------------------------------------------------------*/
5824 * Wireless Handler : get protocol name
5826 static int airo_get_name(struct net_device *dev,
5827 struct iw_request_info *info,
5831 strcpy(cwrq, "IEEE 802.11-DS");
5835 /*------------------------------------------------------------------*/
5837 * Wireless Handler : set frequency
5839 static int airo_set_freq(struct net_device *dev,
5840 struct iw_request_info *info,
5841 struct iw_freq *fwrq,
5844 struct airo_info *local = dev->ml_priv;
5845 int rc = -EINPROGRESS; /* Call commit handler */
5847 /* If setting by frequency, convert to a channel */
5849 int f = fwrq->m / 100000;
5851 /* Hack to fall through... */
5853 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5855 /* Setting by channel number */
5856 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 int channel = fwrq->m;
5860 /* We should do a better check than that,
5861 * based on the card capability !!! */
5862 if((channel < 1) || (channel > 14)) {
5863 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 readConfigRid(local, 1);
5868 /* Yes ! We can set it !!! */
5869 local->config.channelSet = cpu_to_le16(channel);
5870 set_bit (FLAG_COMMIT, &local->flags);
5876 /*------------------------------------------------------------------*/
5878 * Wireless Handler : get frequency
5880 static int airo_get_freq(struct net_device *dev,
5881 struct iw_request_info *info,
5882 struct iw_freq *fwrq,
5885 struct airo_info *local = dev->ml_priv;
5886 StatusRid status_rid; /* Card status info */
5889 readConfigRid(local, 1);
5890 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5891 status_rid.channel = local->config.channelSet;
5893 readStatusRid(local, &status_rid, 1);
5895 ch = le16_to_cpu(status_rid.channel);
5896 if((ch > 0) && (ch < 15)) {
5897 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5907 /*------------------------------------------------------------------*/
5909 * Wireless Handler : set ESSID
5911 static int airo_set_essid(struct net_device *dev,
5912 struct iw_request_info *info,
5913 struct iw_point *dwrq,
5916 struct airo_info *local = dev->ml_priv;
5917 SsidRid SSID_rid; /* SSIDs */
5919 /* Reload the list of current SSID */
5920 readSsidRid(local, &SSID_rid);
5922 /* Check if we asked for `any' */
5923 if (dwrq->flags == 0) {
5924 /* Just send an empty SSID list */
5925 memset(&SSID_rid, 0, sizeof(SSID_rid));
5927 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5929 /* Check the size of the string */
5930 if (dwrq->length > IW_ESSID_MAX_SIZE)
5933 /* Check if index is valid */
5934 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5938 memset(SSID_rid.ssids[index].ssid, 0,
5939 sizeof(SSID_rid.ssids[index].ssid));
5940 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5941 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5943 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5944 /* Write it to the card */
5945 disable_MAC(local, 1);
5946 writeSsidRid(local, &SSID_rid, 1);
5947 enable_MAC(local, 1);
5952 /*------------------------------------------------------------------*/
5954 * Wireless Handler : get ESSID
5956 static int airo_get_essid(struct net_device *dev,
5957 struct iw_request_info *info,
5958 struct iw_point *dwrq,
5961 struct airo_info *local = dev->ml_priv;
5962 StatusRid status_rid; /* Card status info */
5964 readStatusRid(local, &status_rid, 1);
5966 /* Note : if dwrq->flags != 0, we should
5967 * get the relevant SSID from the SSID list... */
5969 /* Get the current SSID */
5970 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5971 /* If none, we may want to get the one that was set */
5974 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5975 dwrq->flags = 1; /* active */
5980 /*------------------------------------------------------------------*/
5982 * Wireless Handler : set AP address
5984 static int airo_set_wap(struct net_device *dev,
5985 struct iw_request_info *info,
5986 struct sockaddr *awrq,
5989 struct airo_info *local = dev->ml_priv;
5992 APListRid APList_rid;
5993 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5994 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5996 if (awrq->sa_family != ARPHRD_ETHER)
5998 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5999 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6000 memset(&cmd, 0, sizeof(cmd));
6001 cmd.cmd=CMD_LOSE_SYNC;
6002 if (down_interruptible(&local->sem))
6003 return -ERESTARTSYS;
6004 issuecommand(local, &cmd, &rsp);
6007 memset(&APList_rid, 0, sizeof(APList_rid));
6008 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6009 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6010 disable_MAC(local, 1);
6011 writeAPListRid(local, &APList_rid, 1);
6012 enable_MAC(local, 1);
6017 /*------------------------------------------------------------------*/
6019 * Wireless Handler : get AP address
6021 static int airo_get_wap(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct sockaddr *awrq,
6026 struct airo_info *local = dev->ml_priv;
6027 StatusRid status_rid; /* Card status info */
6029 readStatusRid(local, &status_rid, 1);
6031 /* Tentative. This seems to work, wow, I'm lucky !!! */
6032 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6033 awrq->sa_family = ARPHRD_ETHER;
6038 /*------------------------------------------------------------------*/
6040 * Wireless Handler : set Nickname
6042 static int airo_set_nick(struct net_device *dev,
6043 struct iw_request_info *info,
6044 struct iw_point *dwrq,
6047 struct airo_info *local = dev->ml_priv;
6049 /* Check the size of the string */
6050 if(dwrq->length > 16) {
6053 readConfigRid(local, 1);
6054 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6055 memcpy(local->config.nodeName, extra, dwrq->length);
6056 set_bit (FLAG_COMMIT, &local->flags);
6058 return -EINPROGRESS; /* Call commit handler */
6061 /*------------------------------------------------------------------*/
6063 * Wireless Handler : get Nickname
6065 static int airo_get_nick(struct net_device *dev,
6066 struct iw_request_info *info,
6067 struct iw_point *dwrq,
6070 struct airo_info *local = dev->ml_priv;
6072 readConfigRid(local, 1);
6073 strncpy(extra, local->config.nodeName, 16);
6075 dwrq->length = strlen(extra);
6080 /*------------------------------------------------------------------*/
6082 * Wireless Handler : set Bit-Rate
6084 static int airo_set_rate(struct net_device *dev,
6085 struct iw_request_info *info,
6086 struct iw_param *vwrq,
6089 struct airo_info *local = dev->ml_priv;
6090 CapabilityRid cap_rid; /* Card capability info */
6094 /* First : get a valid bit rate value */
6095 readCapabilityRid(local, &cap_rid, 1);
6097 /* Which type of value ? */
6098 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6099 /* Setting by rate index */
6100 /* Find value in the magic rate table */
6101 brate = cap_rid.supportedRates[vwrq->value];
6103 /* Setting by frequency value */
6104 u8 normvalue = (u8) (vwrq->value/500000);
6106 /* Check if rate is valid */
6107 for(i = 0 ; i < 8 ; i++) {
6108 if(normvalue == cap_rid.supportedRates[i]) {
6114 /* -1 designed the max rate (mostly auto mode) */
6115 if(vwrq->value == -1) {
6116 /* Get the highest available rate */
6117 for(i = 0 ; i < 8 ; i++) {
6118 if(cap_rid.supportedRates[i] == 0)
6122 brate = cap_rid.supportedRates[i - 1];
6124 /* Check that it is valid */
6129 readConfigRid(local, 1);
6130 /* Now, check if we want a fixed or auto value */
6131 if(vwrq->fixed == 0) {
6132 /* Fill all the rates up to this max rate */
6133 memset(local->config.rates, 0, 8);
6134 for(i = 0 ; i < 8 ; i++) {
6135 local->config.rates[i] = cap_rid.supportedRates[i];
6136 if(local->config.rates[i] == brate)
6141 /* One rate, fixed */
6142 memset(local->config.rates, 0, 8);
6143 local->config.rates[0] = brate;
6145 set_bit (FLAG_COMMIT, &local->flags);
6147 return -EINPROGRESS; /* Call commit handler */
6150 /*------------------------------------------------------------------*/
6152 * Wireless Handler : get Bit-Rate
6154 static int airo_get_rate(struct net_device *dev,
6155 struct iw_request_info *info,
6156 struct iw_param *vwrq,
6159 struct airo_info *local = dev->ml_priv;
6160 StatusRid status_rid; /* Card status info */
6162 readStatusRid(local, &status_rid, 1);
6164 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6165 /* If more than one rate, set auto */
6166 readConfigRid(local, 1);
6167 vwrq->fixed = (local->config.rates[1] == 0);
6172 /*------------------------------------------------------------------*/
6174 * Wireless Handler : set RTS threshold
6176 static int airo_set_rts(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_param *vwrq,
6181 struct airo_info *local = dev->ml_priv;
6182 int rthr = vwrq->value;
6185 rthr = AIRO_DEF_MTU;
6186 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6189 readConfigRid(local, 1);
6190 local->config.rtsThres = cpu_to_le16(rthr);
6191 set_bit (FLAG_COMMIT, &local->flags);
6193 return -EINPROGRESS; /* Call commit handler */
6196 /*------------------------------------------------------------------*/
6198 * Wireless Handler : get RTS threshold
6200 static int airo_get_rts(struct net_device *dev,
6201 struct iw_request_info *info,
6202 struct iw_param *vwrq,
6205 struct airo_info *local = dev->ml_priv;
6207 readConfigRid(local, 1);
6208 vwrq->value = le16_to_cpu(local->config.rtsThres);
6209 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6215 /*------------------------------------------------------------------*/
6217 * Wireless Handler : set Fragmentation threshold
6219 static int airo_set_frag(struct net_device *dev,
6220 struct iw_request_info *info,
6221 struct iw_param *vwrq,
6224 struct airo_info *local = dev->ml_priv;
6225 int fthr = vwrq->value;
6228 fthr = AIRO_DEF_MTU;
6229 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6232 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6233 readConfigRid(local, 1);
6234 local->config.fragThresh = cpu_to_le16(fthr);
6235 set_bit (FLAG_COMMIT, &local->flags);
6237 return -EINPROGRESS; /* Call commit handler */
6240 /*------------------------------------------------------------------*/
6242 * Wireless Handler : get Fragmentation threshold
6244 static int airo_get_frag(struct net_device *dev,
6245 struct iw_request_info *info,
6246 struct iw_param *vwrq,
6249 struct airo_info *local = dev->ml_priv;
6251 readConfigRid(local, 1);
6252 vwrq->value = le16_to_cpu(local->config.fragThresh);
6253 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6259 /*------------------------------------------------------------------*/
6261 * Wireless Handler : set Mode of Operation
6263 static int airo_set_mode(struct net_device *dev,
6264 struct iw_request_info *info,
6268 struct airo_info *local = dev->ml_priv;
6271 readConfigRid(local, 1);
6272 if (sniffing_mode(local))
6277 local->config.opmode &= ~MODE_CFG_MASK;
6278 local->config.opmode |= MODE_STA_IBSS;
6279 local->config.rmode &= ~RXMODE_FULL_MASK;
6280 local->config.scanMode = SCANMODE_ACTIVE;
6281 clear_bit (FLAG_802_11, &local->flags);
6284 local->config.opmode &= ~MODE_CFG_MASK;
6285 local->config.opmode |= MODE_STA_ESS;
6286 local->config.rmode &= ~RXMODE_FULL_MASK;
6287 local->config.scanMode = SCANMODE_ACTIVE;
6288 clear_bit (FLAG_802_11, &local->flags);
6290 case IW_MODE_MASTER:
6291 local->config.opmode &= ~MODE_CFG_MASK;
6292 local->config.opmode |= MODE_AP;
6293 local->config.rmode &= ~RXMODE_FULL_MASK;
6294 local->config.scanMode = SCANMODE_ACTIVE;
6295 clear_bit (FLAG_802_11, &local->flags);
6297 case IW_MODE_REPEAT:
6298 local->config.opmode &= ~MODE_CFG_MASK;
6299 local->config.opmode |= MODE_AP_RPTR;
6300 local->config.rmode &= ~RXMODE_FULL_MASK;
6301 local->config.scanMode = SCANMODE_ACTIVE;
6302 clear_bit (FLAG_802_11, &local->flags);
6304 case IW_MODE_MONITOR:
6305 local->config.opmode &= ~MODE_CFG_MASK;
6306 local->config.opmode |= MODE_STA_ESS;
6307 local->config.rmode &= ~RXMODE_FULL_MASK;
6308 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6309 local->config.scanMode = SCANMODE_PASSIVE;
6310 set_bit (FLAG_802_11, &local->flags);
6316 set_bit (FLAG_RESET, &local->flags);
6317 set_bit (FLAG_COMMIT, &local->flags);
6319 return -EINPROGRESS; /* Call commit handler */
6322 /*------------------------------------------------------------------*/
6324 * Wireless Handler : get Mode of Operation
6326 static int airo_get_mode(struct net_device *dev,
6327 struct iw_request_info *info,
6331 struct airo_info *local = dev->ml_priv;
6333 readConfigRid(local, 1);
6334 /* If not managed, assume it's ad-hoc */
6335 switch (local->config.opmode & MODE_CFG_MASK) {
6337 *uwrq = IW_MODE_INFRA;
6340 *uwrq = IW_MODE_MASTER;
6343 *uwrq = IW_MODE_REPEAT;
6346 *uwrq = IW_MODE_ADHOC;
6352 static inline int valid_index(struct airo_info *ai, int index)
6354 return (index >= 0) && (index <= ai->max_wep_idx);
6357 /*------------------------------------------------------------------*/
6359 * Wireless Handler : set Encryption Key
6361 static int airo_set_encode(struct net_device *dev,
6362 struct iw_request_info *info,
6363 struct iw_point *dwrq,
6366 struct airo_info *local = dev->ml_priv;
6367 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6368 __le16 currentAuthType = local->config.authType;
6371 if (!local->wep_capable)
6374 readConfigRid(local, 1);
6376 /* Basic checking: do we have a key to set ?
6377 * Note : with the new API, it's impossible to get a NULL pointer.
6378 * Therefore, we need to check a key size == 0 instead.
6379 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6380 * when no key is present (only change flags), but older versions
6381 * don't do it. - Jean II */
6382 if (dwrq->length > 0) {
6384 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 /* Check the size of the key */
6388 if (dwrq->length > MAX_KEY_SIZE) {
6392 current_index = get_wep_tx_idx(local);
6393 if (current_index < 0)
6396 /* Check the index (none -> use current) */
6397 if (!valid_index(local, index))
6398 index = current_index;
6400 /* Set the length */
6401 if (dwrq->length > MIN_KEY_SIZE)
6402 key.len = MAX_KEY_SIZE;
6404 key.len = MIN_KEY_SIZE;
6405 /* Check if the key is not marked as invalid */
6406 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6408 memset(key.key, 0, MAX_KEY_SIZE);
6409 /* Copy the key in the driver */
6410 memcpy(key.key, extra, dwrq->length);
6411 /* Send the key to the card */
6412 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6414 airo_print_err(local->dev->name, "failed to set"
6415 " WEP key at index %d: %d.",
6420 /* WE specify that if a valid key is set, encryption
6421 * should be enabled (user may turn it off later)
6422 * This is also how "iwconfig ethX key on" works */
6423 if((index == current_index) && (key.len > 0) &&
6424 (local->config.authType == AUTH_OPEN)) {
6425 local->config.authType = AUTH_ENCRYPT;
6428 /* Do we want to just set the transmit key index ? */
6429 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6430 if (valid_index(local, index)) {
6431 rc = set_wep_tx_idx(local, index, perm, 1);
6433 airo_print_err(local->dev->name, "failed to set"
6434 " WEP transmit index to %d: %d.",
6439 /* Don't complain if only change the mode */
6440 if (!(dwrq->flags & IW_ENCODE_MODE))
6444 /* Read the flags */
6445 if(dwrq->flags & IW_ENCODE_DISABLED)
6446 local->config.authType = AUTH_OPEN; // disable encryption
6447 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6448 local->config.authType = AUTH_SHAREDKEY; // Only Both
6449 if(dwrq->flags & IW_ENCODE_OPEN)
6450 local->config.authType = AUTH_ENCRYPT; // Only Wep
6451 /* Commit the changes to flags if needed */
6452 if (local->config.authType != currentAuthType)
6453 set_bit (FLAG_COMMIT, &local->flags);
6454 return -EINPROGRESS; /* Call commit handler */
6457 /*------------------------------------------------------------------*/
6459 * Wireless Handler : get Encryption Key
6461 static int airo_get_encode(struct net_device *dev,
6462 struct iw_request_info *info,
6463 struct iw_point *dwrq,
6466 struct airo_info *local = dev->ml_priv;
6467 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6471 if (!local->wep_capable)
6474 readConfigRid(local, 1);
6476 /* Check encryption mode */
6477 switch(local->config.authType) {
6479 dwrq->flags = IW_ENCODE_OPEN;
6481 case AUTH_SHAREDKEY:
6482 dwrq->flags = IW_ENCODE_RESTRICTED;
6486 dwrq->flags = IW_ENCODE_DISABLED;
6489 /* We can't return the key, so set the proper flag and return zero */
6490 dwrq->flags |= IW_ENCODE_NOKEY;
6491 memset(extra, 0, 16);
6493 /* Which key do we want ? -1 -> tx index */
6494 if (!valid_index(local, index)) {
6495 index = get_wep_tx_idx(local);
6499 dwrq->flags |= index + 1;
6501 /* Copy the key to the user buffer */
6502 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6503 if (wep_key_len < 0) {
6506 dwrq->length = wep_key_len;
6507 memcpy(extra, buf, dwrq->length);
6513 /*------------------------------------------------------------------*/
6515 * Wireless Handler : set extended Encryption parameters
6517 static int airo_set_encodeext(struct net_device *dev,
6518 struct iw_request_info *info,
6519 union iwreq_data *wrqu,
6522 struct airo_info *local = dev->ml_priv;
6523 struct iw_point *encoding = &wrqu->encoding;
6524 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6525 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6526 __le16 currentAuthType = local->config.authType;
6527 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6530 if (!local->wep_capable)
6533 readConfigRid(local, 1);
6535 /* Determine and validate the key index */
6536 idx = encoding->flags & IW_ENCODE_INDEX;
6538 if (!valid_index(local, idx - 1))
6542 idx = get_wep_tx_idx(local);
6547 if (encoding->flags & IW_ENCODE_DISABLED)
6548 alg = IW_ENCODE_ALG_NONE;
6550 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6551 /* Only set transmit key index here, actual
6552 * key is set below if needed.
6554 rc = set_wep_tx_idx(local, idx, perm, 1);
6556 airo_print_err(local->dev->name, "failed to set "
6557 "WEP transmit index to %d: %d.",
6561 set_key = ext->key_len > 0 ? 1 : 0;
6565 /* Set the requested key first */
6566 memset(key.key, 0, MAX_KEY_SIZE);
6568 case IW_ENCODE_ALG_NONE:
6571 case IW_ENCODE_ALG_WEP:
6572 if (ext->key_len > MIN_KEY_SIZE) {
6573 key.len = MAX_KEY_SIZE;
6574 } else if (ext->key_len > 0) {
6575 key.len = MIN_KEY_SIZE;
6579 key_len = min (ext->key_len, key.len);
6580 memcpy(key.key, ext->key, key_len);
6586 rc = set_wep_tx_idx(local, idx, perm, 1);
6588 airo_print_err(local->dev->name,
6589 "failed to set WEP transmit index to %d: %d.",
6594 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6596 airo_print_err(local->dev->name,
6597 "failed to set WEP key at index %d: %d.",
6604 /* Read the flags */
6605 if(encoding->flags & IW_ENCODE_DISABLED)
6606 local->config.authType = AUTH_OPEN; // disable encryption
6607 if(encoding->flags & IW_ENCODE_RESTRICTED)
6608 local->config.authType = AUTH_SHAREDKEY; // Only Both
6609 if(encoding->flags & IW_ENCODE_OPEN)
6610 local->config.authType = AUTH_ENCRYPT; // Only Wep
6611 /* Commit the changes to flags if needed */
6612 if (local->config.authType != currentAuthType)
6613 set_bit (FLAG_COMMIT, &local->flags);
6615 return -EINPROGRESS;
6619 /*------------------------------------------------------------------*/
6621 * Wireless Handler : get extended Encryption parameters
6623 static int airo_get_encodeext(struct net_device *dev,
6624 struct iw_request_info *info,
6625 union iwreq_data *wrqu,
6628 struct airo_info *local = dev->ml_priv;
6629 struct iw_point *encoding = &wrqu->encoding;
6630 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6631 int idx, max_key_len, wep_key_len;
6634 if (!local->wep_capable)
6637 readConfigRid(local, 1);
6639 max_key_len = encoding->length - sizeof(*ext);
6640 if (max_key_len < 0)
6643 idx = encoding->flags & IW_ENCODE_INDEX;
6645 if (!valid_index(local, idx - 1))
6649 idx = get_wep_tx_idx(local);
6654 encoding->flags = idx + 1;
6655 memset(ext, 0, sizeof(*ext));
6657 /* Check encryption mode */
6658 switch(local->config.authType) {
6660 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6662 case AUTH_SHAREDKEY:
6663 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6667 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6670 /* We can't return the key, so set the proper flag and return zero */
6671 encoding->flags |= IW_ENCODE_NOKEY;
6672 memset(extra, 0, 16);
6674 /* Copy the key to the user buffer */
6675 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6676 if (wep_key_len < 0) {
6679 ext->key_len = wep_key_len;
6680 memcpy(extra, buf, ext->key_len);
6687 /*------------------------------------------------------------------*/
6689 * Wireless Handler : set extended authentication parameters
6691 static int airo_set_auth(struct net_device *dev,
6692 struct iw_request_info *info,
6693 union iwreq_data *wrqu, char *extra)
6695 struct airo_info *local = dev->ml_priv;
6696 struct iw_param *param = &wrqu->param;
6697 __le16 currentAuthType = local->config.authType;
6699 switch (param->flags & IW_AUTH_INDEX) {
6700 case IW_AUTH_WPA_VERSION:
6701 case IW_AUTH_CIPHER_PAIRWISE:
6702 case IW_AUTH_CIPHER_GROUP:
6703 case IW_AUTH_KEY_MGMT:
6704 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6705 case IW_AUTH_PRIVACY_INVOKED:
6707 * airo does not use these parameters
6711 case IW_AUTH_DROP_UNENCRYPTED:
6713 /* Only change auth type if unencrypted */
6714 if (currentAuthType == AUTH_OPEN)
6715 local->config.authType = AUTH_ENCRYPT;
6717 local->config.authType = AUTH_OPEN;
6720 /* Commit the changes to flags if needed */
6721 if (local->config.authType != currentAuthType)
6722 set_bit (FLAG_COMMIT, &local->flags);
6725 case IW_AUTH_80211_AUTH_ALG: {
6726 /* FIXME: What about AUTH_OPEN? This API seems to
6727 * disallow setting our auth to AUTH_OPEN.
6729 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6730 local->config.authType = AUTH_SHAREDKEY;
6731 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6732 local->config.authType = AUTH_ENCRYPT;
6736 /* Commit the changes to flags if needed */
6737 if (local->config.authType != currentAuthType)
6738 set_bit (FLAG_COMMIT, &local->flags);
6742 case IW_AUTH_WPA_ENABLED:
6743 /* Silently accept disable of WPA */
6744 if (param->value > 0)
6751 return -EINPROGRESS;
6755 /*------------------------------------------------------------------*/
6757 * Wireless Handler : get extended authentication parameters
6759 static int airo_get_auth(struct net_device *dev,
6760 struct iw_request_info *info,
6761 union iwreq_data *wrqu, char *extra)
6763 struct airo_info *local = dev->ml_priv;
6764 struct iw_param *param = &wrqu->param;
6765 __le16 currentAuthType = local->config.authType;
6767 switch (param->flags & IW_AUTH_INDEX) {
6768 case IW_AUTH_DROP_UNENCRYPTED:
6769 switch (currentAuthType) {
6770 case AUTH_SHAREDKEY:
6780 case IW_AUTH_80211_AUTH_ALG:
6781 switch (currentAuthType) {
6782 case AUTH_SHAREDKEY:
6783 param->value = IW_AUTH_ALG_SHARED_KEY;
6787 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6792 case IW_AUTH_WPA_ENABLED:
6803 /*------------------------------------------------------------------*/
6805 * Wireless Handler : set Tx-Power
6807 static int airo_set_txpow(struct net_device *dev,
6808 struct iw_request_info *info,
6809 struct iw_param *vwrq,
6812 struct airo_info *local = dev->ml_priv;
6813 CapabilityRid cap_rid; /* Card capability info */
6816 __le16 v = cpu_to_le16(vwrq->value);
6818 readCapabilityRid(local, &cap_rid, 1);
6820 if (vwrq->disabled) {
6821 set_bit (FLAG_RADIO_OFF, &local->flags);
6822 set_bit (FLAG_COMMIT, &local->flags);
6823 return -EINPROGRESS; /* Call commit handler */
6825 if (vwrq->flags != IW_TXPOW_MWATT) {
6828 clear_bit (FLAG_RADIO_OFF, &local->flags);
6829 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6830 if (v == cap_rid.txPowerLevels[i]) {
6831 readConfigRid(local, 1);
6832 local->config.txPower = v;
6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6840 /*------------------------------------------------------------------*/
6842 * Wireless Handler : get Tx-Power
6844 static int airo_get_txpow(struct net_device *dev,
6845 struct iw_request_info *info,
6846 struct iw_param *vwrq,
6849 struct airo_info *local = dev->ml_priv;
6851 readConfigRid(local, 1);
6852 vwrq->value = le16_to_cpu(local->config.txPower);
6853 vwrq->fixed = 1; /* No power control */
6854 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6855 vwrq->flags = IW_TXPOW_MWATT;
6860 /*------------------------------------------------------------------*/
6862 * Wireless Handler : set Retry limits
6864 static int airo_set_retry(struct net_device *dev,
6865 struct iw_request_info *info,
6866 struct iw_param *vwrq,
6869 struct airo_info *local = dev->ml_priv;
6872 if(vwrq->disabled) {
6875 readConfigRid(local, 1);
6876 if(vwrq->flags & IW_RETRY_LIMIT) {
6877 __le16 v = cpu_to_le16(vwrq->value);
6878 if(vwrq->flags & IW_RETRY_LONG)
6879 local->config.longRetryLimit = v;
6880 else if (vwrq->flags & IW_RETRY_SHORT)
6881 local->config.shortRetryLimit = v;
6883 /* No modifier : set both */
6884 local->config.longRetryLimit = v;
6885 local->config.shortRetryLimit = v;
6887 set_bit (FLAG_COMMIT, &local->flags);
6888 rc = -EINPROGRESS; /* Call commit handler */
6890 if(vwrq->flags & IW_RETRY_LIFETIME) {
6891 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6892 set_bit (FLAG_COMMIT, &local->flags);
6893 rc = -EINPROGRESS; /* Call commit handler */
6898 /*------------------------------------------------------------------*/
6900 * Wireless Handler : get Retry limits
6902 static int airo_get_retry(struct net_device *dev,
6903 struct iw_request_info *info,
6904 struct iw_param *vwrq,
6907 struct airo_info *local = dev->ml_priv;
6909 vwrq->disabled = 0; /* Can't be disabled */
6911 readConfigRid(local, 1);
6912 /* Note : by default, display the min retry number */
6913 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6914 vwrq->flags = IW_RETRY_LIFETIME;
6915 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6916 } else if((vwrq->flags & IW_RETRY_LONG)) {
6917 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6918 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6920 vwrq->flags = IW_RETRY_LIMIT;
6921 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6922 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6923 vwrq->flags |= IW_RETRY_SHORT;
6929 /*------------------------------------------------------------------*/
6931 * Wireless Handler : get range info
6933 static int airo_get_range(struct net_device *dev,
6934 struct iw_request_info *info,
6935 struct iw_point *dwrq,
6938 struct airo_info *local = dev->ml_priv;
6939 struct iw_range *range = (struct iw_range *) extra;
6940 CapabilityRid cap_rid; /* Card capability info */
6944 readCapabilityRid(local, &cap_rid, 1);
6946 dwrq->length = sizeof(struct iw_range);
6947 memset(range, 0, sizeof(*range));
6948 range->min_nwid = 0x0000;
6949 range->max_nwid = 0x0000;
6950 range->num_channels = 14;
6951 /* Should be based on cap_rid.country to give only
6952 * what the current card support */
6954 for(i = 0; i < 14; i++) {
6955 range->freq[k].i = i + 1; /* List index */
6956 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6957 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6959 range->num_frequency = k;
6961 range->sensitivity = 65535;
6963 /* Hum... Should put the right values there */
6965 range->max_qual.qual = 100; /* % */
6967 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6968 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6969 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6971 /* Experimental measurements - boundary 11/5.5 Mb/s */
6972 /* Note : with or without the (local->rssi), results
6973 * are somewhat different. - Jean II */
6975 range->avg_qual.qual = 50; /* % */
6976 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6978 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6979 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6981 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6983 for(i = 0 ; i < 8 ; i++) {
6984 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6985 if(range->bitrate[i] == 0)
6988 range->num_bitrates = i;
6990 /* Set an indication of the max TCP throughput
6991 * in bit/s that we can expect using this interface.
6992 * May be use for QoS stuff... Jean II */
6994 range->throughput = 5000 * 1000;
6996 range->throughput = 1500 * 1000;
6999 range->max_rts = AIRO_DEF_MTU;
7000 range->min_frag = 256;
7001 range->max_frag = AIRO_DEF_MTU;
7003 if(cap_rid.softCap & cpu_to_le16(2)) {
7005 range->encoding_size[0] = 5;
7007 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7008 range->encoding_size[1] = 13;
7009 range->num_encoding_sizes = 2;
7011 range->num_encoding_sizes = 1;
7012 range->max_encoding_tokens =
7013 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7015 range->num_encoding_sizes = 0;
7016 range->max_encoding_tokens = 0;
7019 range->max_pmp = 5000000; /* 5 secs */
7021 range->max_pmt = 65535 * 1024; /* ??? */
7022 range->pmp_flags = IW_POWER_PERIOD;
7023 range->pmt_flags = IW_POWER_TIMEOUT;
7024 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7026 /* Transmit Power - values are in mW */
7027 for(i = 0 ; i < 8 ; i++) {
7028 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7029 if(range->txpower[i] == 0)
7032 range->num_txpower = i;
7033 range->txpower_capa = IW_TXPOW_MWATT;
7034 range->we_version_source = 19;
7035 range->we_version_compiled = WIRELESS_EXT;
7036 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7037 range->retry_flags = IW_RETRY_LIMIT;
7038 range->r_time_flags = IW_RETRY_LIFETIME;
7039 range->min_retry = 1;
7040 range->max_retry = 65535;
7041 range->min_r_time = 1024;
7042 range->max_r_time = 65535 * 1024;
7044 /* Event capability (kernel + driver) */
7045 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7046 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7047 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7048 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7049 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7050 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7054 /*------------------------------------------------------------------*/
7056 * Wireless Handler : set Power Management
7058 static int airo_set_power(struct net_device *dev,
7059 struct iw_request_info *info,
7060 struct iw_param *vwrq,
7063 struct airo_info *local = dev->ml_priv;
7065 readConfigRid(local, 1);
7066 if (vwrq->disabled) {
7067 if (sniffing_mode(local))
7069 local->config.powerSaveMode = POWERSAVE_CAM;
7070 local->config.rmode &= ~RXMODE_MASK;
7071 local->config.rmode |= RXMODE_BC_MC_ADDR;
7072 set_bit (FLAG_COMMIT, &local->flags);
7073 return -EINPROGRESS; /* Call commit handler */
7075 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7076 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7077 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7080 local->config.fastListenInterval =
7081 local->config.listenInterval =
7082 cpu_to_le16((vwrq->value + 500) / 1024);
7083 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7084 set_bit (FLAG_COMMIT, &local->flags);
7086 switch (vwrq->flags & IW_POWER_MODE) {
7087 case IW_POWER_UNICAST_R:
7088 if (sniffing_mode(local))
7090 local->config.rmode &= ~RXMODE_MASK;
7091 local->config.rmode |= RXMODE_ADDR;
7092 set_bit (FLAG_COMMIT, &local->flags);
7094 case IW_POWER_ALL_R:
7095 if (sniffing_mode(local))
7097 local->config.rmode &= ~RXMODE_MASK;
7098 local->config.rmode |= RXMODE_BC_MC_ADDR;
7099 set_bit (FLAG_COMMIT, &local->flags);
7101 /* This is broken, fixme ;-) */
7106 // Note : we may want to factor local->need_commit here
7107 // Note2 : may also want to factor RXMODE_RFMON test
7108 return -EINPROGRESS; /* Call commit handler */
7111 /*------------------------------------------------------------------*/
7113 * Wireless Handler : get Power Management
7115 static int airo_get_power(struct net_device *dev,
7116 struct iw_request_info *info,
7117 struct iw_param *vwrq,
7120 struct airo_info *local = dev->ml_priv;
7123 readConfigRid(local, 1);
7124 mode = local->config.powerSaveMode;
7125 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7127 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7128 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7129 vwrq->flags = IW_POWER_TIMEOUT;
7131 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7132 vwrq->flags = IW_POWER_PERIOD;
7134 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7135 vwrq->flags |= IW_POWER_UNICAST_R;
7137 vwrq->flags |= IW_POWER_ALL_R;
7142 /*------------------------------------------------------------------*/
7144 * Wireless Handler : set Sensitivity
7146 static int airo_set_sens(struct net_device *dev,
7147 struct iw_request_info *info,
7148 struct iw_param *vwrq,
7151 struct airo_info *local = dev->ml_priv;
7153 readConfigRid(local, 1);
7154 local->config.rssiThreshold =
7155 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7156 set_bit (FLAG_COMMIT, &local->flags);
7158 return -EINPROGRESS; /* Call commit handler */
7161 /*------------------------------------------------------------------*/
7163 * Wireless Handler : get Sensitivity
7165 static int airo_get_sens(struct net_device *dev,
7166 struct iw_request_info *info,
7167 struct iw_param *vwrq,
7170 struct airo_info *local = dev->ml_priv;
7172 readConfigRid(local, 1);
7173 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7174 vwrq->disabled = (vwrq->value == 0);
7180 /*------------------------------------------------------------------*/
7182 * Wireless Handler : get AP List
7183 * Note : this is deprecated in favor of IWSCAN
7185 static int airo_get_aplist(struct net_device *dev,
7186 struct iw_request_info *info,
7187 struct iw_point *dwrq,
7190 struct airo_info *local = dev->ml_priv;
7191 struct sockaddr *address = (struct sockaddr *) extra;
7192 struct iw_quality *qual;
7195 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7197 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7201 for (i = 0; i < IW_MAX_AP; i++) {
7203 if (readBSSListRid(local, loseSync, &BSSList))
7206 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7207 address[i].sa_family = ARPHRD_ETHER;
7208 dBm = le16_to_cpu(BSSList.dBm);
7210 qual[i].level = 0x100 - dBm;
7211 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7212 qual[i].updated = IW_QUAL_QUAL_UPDATED
7213 | IW_QUAL_LEVEL_UPDATED
7216 qual[i].level = (dBm + 321) / 2;
7218 qual[i].updated = IW_QUAL_QUAL_INVALID
7219 | IW_QUAL_LEVEL_UPDATED
7222 qual[i].noise = local->wstats.qual.noise;
7223 if (BSSList.index == cpu_to_le16(0xffff))
7227 StatusRid status_rid; /* Card status info */
7228 readStatusRid(local, &status_rid, 1);
7230 i < min(IW_MAX_AP, 4) &&
7231 (status_rid.bssid[i][0]
7232 & status_rid.bssid[i][1]
7233 & status_rid.bssid[i][2]
7234 & status_rid.bssid[i][3]
7235 & status_rid.bssid[i][4]
7236 & status_rid.bssid[i][5])!=0xff &&
7237 (status_rid.bssid[i][0]
7238 | status_rid.bssid[i][1]
7239 | status_rid.bssid[i][2]
7240 | status_rid.bssid[i][3]
7241 | status_rid.bssid[i][4]
7242 | status_rid.bssid[i][5]);
7244 memcpy(address[i].sa_data,
7245 status_rid.bssid[i], ETH_ALEN);
7246 address[i].sa_family = ARPHRD_ETHER;
7249 dwrq->flags = 1; /* Should be define'd */
7250 memcpy(extra + sizeof(struct sockaddr)*i,
7251 &qual, sizeof(struct iw_quality)*i);
7259 /*------------------------------------------------------------------*/
7261 * Wireless Handler : Initiate Scan
7263 static int airo_set_scan(struct net_device *dev,
7264 struct iw_request_info *info,
7265 struct iw_point *dwrq,
7268 struct airo_info *ai = dev->ml_priv;
7273 /* Note : you may have realised that, as this is a SET operation,
7274 * this is privileged and therefore a normal user can't
7276 * This is not an error, while the device perform scanning,
7277 * traffic doesn't flow, so it's a perfect DoS...
7279 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7281 if (down_interruptible(&ai->sem))
7282 return -ERESTARTSYS;
7284 /* If there's already a scan in progress, don't
7285 * trigger another one. */
7286 if (ai->scan_timeout > 0)
7289 /* Initiate a scan command */
7290 ai->scan_timeout = RUN_AT(3*HZ);
7291 memset(&cmd, 0, sizeof(cmd));
7292 cmd.cmd=CMD_LISTBSS;
7293 issuecommand(ai, &cmd, &rsp);
7299 wake_up_interruptible(&ai->thr_wait);
7303 /*------------------------------------------------------------------*/
7305 * Translate scan data returned from the card to a card independent
7306 * format that the Wireless Tools will understand - Jean II
7308 static inline char *airo_translate_scan(struct net_device *dev,
7309 struct iw_request_info *info,
7314 struct airo_info *ai = dev->ml_priv;
7315 struct iw_event iwe; /* Temporary buffer */
7316 __le16 capabilities;
7317 char * current_val; /* For rates */
7322 /* First entry *MUST* be the AP MAC address */
7323 iwe.cmd = SIOCGIWAP;
7324 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7325 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7326 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7327 &iwe, IW_EV_ADDR_LEN);
7329 /* Other entries will be displayed in the order we give them */
7332 iwe.u.data.length = bss->ssidLen;
7333 if(iwe.u.data.length > 32)
7334 iwe.u.data.length = 32;
7335 iwe.cmd = SIOCGIWESSID;
7336 iwe.u.data.flags = 1;
7337 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7341 iwe.cmd = SIOCGIWMODE;
7342 capabilities = bss->cap;
7343 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7344 if(capabilities & CAP_ESS)
7345 iwe.u.mode = IW_MODE_MASTER;
7347 iwe.u.mode = IW_MODE_ADHOC;
7348 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7349 &iwe, IW_EV_UINT_LEN);
7353 iwe.cmd = SIOCGIWFREQ;
7354 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7355 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7357 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7358 &iwe, IW_EV_FREQ_LEN);
7360 dBm = le16_to_cpu(bss->dBm);
7362 /* Add quality statistics */
7365 iwe.u.qual.level = 0x100 - dBm;
7366 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7367 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7368 | IW_QUAL_LEVEL_UPDATED
7371 iwe.u.qual.level = (dBm + 321) / 2;
7372 iwe.u.qual.qual = 0;
7373 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7374 | IW_QUAL_LEVEL_UPDATED
7377 iwe.u.qual.noise = ai->wstats.qual.noise;
7378 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7379 &iwe, IW_EV_QUAL_LEN);
7381 /* Add encryption capability */
7382 iwe.cmd = SIOCGIWENCODE;
7383 if(capabilities & CAP_PRIVACY)
7384 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7386 iwe.u.data.flags = IW_ENCODE_DISABLED;
7387 iwe.u.data.length = 0;
7388 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7391 /* Rate : stuffing multiple values in a single event require a bit
7392 * more of magic - Jean II */
7393 current_val = current_ev + iwe_stream_lcp_len(info);
7395 iwe.cmd = SIOCGIWRATE;
7396 /* Those two flags are ignored... */
7397 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7399 for(i = 0 ; i < 8 ; i++) {
7400 /* NULL terminated */
7401 if(bss->rates[i] == 0)
7403 /* Bit rate given in 500 kb/s units (+ 0x80) */
7404 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7405 /* Add new value to event */
7406 current_val = iwe_stream_add_value(info, current_ev,
7407 current_val, end_buf,
7408 &iwe, IW_EV_PARAM_LEN);
7410 /* Check if we added any event */
7411 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7412 current_ev = current_val;
7414 /* Beacon interval */
7415 buf = kmalloc(30, GFP_KERNEL);
7417 iwe.cmd = IWEVCUSTOM;
7418 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7419 iwe.u.data.length = strlen(buf);
7420 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7425 /* Put WPA/RSN Information Elements into the event stream */
7426 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7427 unsigned int num_null_ies = 0;
7428 u16 length = sizeof (bss->extra.iep);
7429 u8 *ie = (void *)&bss->extra.iep;
7431 while ((length >= 2) && (num_null_ies < 2)) {
7432 if (2 + ie[1] > length) {
7433 /* Invalid element, don't continue parsing IE */
7439 /* Two zero-length SSID elements
7440 * mean we're done parsing elements */
7445 case WLAN_EID_GENERIC:
7451 iwe.cmd = IWEVGENIE;
7452 /* 64 is an arbitrary cut-off */
7453 iwe.u.data.length = min(ie[1] + 2,
7455 current_ev = iwe_stream_add_point(
7462 iwe.cmd = IWEVGENIE;
7463 /* 64 is an arbitrary cut-off */
7464 iwe.u.data.length = min(ie[1] + 2, 64);
7465 current_ev = iwe_stream_add_point(
7466 info, current_ev, end_buf,
7474 length -= 2 + ie[1];
7481 /*------------------------------------------------------------------*/
7483 * Wireless Handler : Read Scan Results
7485 static int airo_get_scan(struct net_device *dev,
7486 struct iw_request_info *info,
7487 struct iw_point *dwrq,
7490 struct airo_info *ai = dev->ml_priv;
7491 BSSListElement *net;
7493 char *current_ev = extra;
7495 /* If a scan is in-progress, return -EAGAIN */
7496 if (ai->scan_timeout > 0)
7499 if (down_interruptible(&ai->sem))
7502 list_for_each_entry (net, &ai->network_list, list) {
7503 /* Translate to WE format this entry */
7504 current_ev = airo_translate_scan(dev, info, current_ev,
7505 extra + dwrq->length,
7508 /* Check if there is space for one more entry */
7509 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7510 /* Ask user space to try again with a bigger buffer */
7516 /* Length of data */
7517 dwrq->length = (current_ev - extra);
7518 dwrq->flags = 0; /* todo */
7525 /*------------------------------------------------------------------*/
7527 * Commit handler : called after a bunch of SET operations
7529 static int airo_config_commit(struct net_device *dev,
7530 struct iw_request_info *info, /* NULL */
7531 void *zwrq, /* NULL */
7532 char *extra) /* NULL */
7534 struct airo_info *local = dev->ml_priv;
7536 if (!test_bit (FLAG_COMMIT, &local->flags))
7539 /* Some of the "SET" function may have modified some of the
7540 * parameters. It's now time to commit them in the card */
7541 disable_MAC(local, 1);
7542 if (test_bit (FLAG_RESET, &local->flags)) {
7543 APListRid APList_rid;
7546 readAPListRid(local, &APList_rid);
7547 readSsidRid(local, &SSID_rid);
7548 if (test_bit(FLAG_MPI,&local->flags))
7549 setup_card(local, dev->dev_addr, 1 );
7551 reset_airo_card(dev);
7552 disable_MAC(local, 1);
7553 writeSsidRid(local, &SSID_rid, 1);
7554 writeAPListRid(local, &APList_rid, 1);
7556 if (down_interruptible(&local->sem))
7557 return -ERESTARTSYS;
7558 writeConfigRid(local, 0);
7559 enable_MAC(local, 0);
7560 if (test_bit (FLAG_RESET, &local->flags))
7561 airo_set_promisc(local);
7568 /*------------------------------------------------------------------*/
7570 * Structures to export the Wireless Handlers
7573 static const struct iw_priv_args airo_private_args[] = {
7574 /*{ cmd, set_args, get_args, name } */
7575 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7576 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7577 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7578 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7581 static const iw_handler airo_handler[] =
7583 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7584 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7585 (iw_handler) NULL, /* SIOCSIWNWID */
7586 (iw_handler) NULL, /* SIOCGIWNWID */
7587 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7588 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7589 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7590 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7591 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7592 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7593 (iw_handler) NULL, /* SIOCSIWRANGE */
7594 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7595 (iw_handler) NULL, /* SIOCSIWPRIV */
7596 (iw_handler) NULL, /* SIOCGIWPRIV */
7597 (iw_handler) NULL, /* SIOCSIWSTATS */
7598 (iw_handler) NULL, /* SIOCGIWSTATS */
7599 iw_handler_set_spy, /* SIOCSIWSPY */
7600 iw_handler_get_spy, /* SIOCGIWSPY */
7601 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7602 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7603 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7604 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7605 (iw_handler) NULL, /* -- hole -- */
7606 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7607 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7608 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7609 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7610 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7611 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7612 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7613 (iw_handler) NULL, /* -- hole -- */
7614 (iw_handler) NULL, /* -- hole -- */
7615 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7616 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7617 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7618 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7619 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7620 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7621 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7622 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7623 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7624 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7625 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7626 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7627 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7628 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7629 (iw_handler) NULL, /* -- hole -- */
7630 (iw_handler) NULL, /* -- hole -- */
7631 (iw_handler) NULL, /* SIOCSIWGENIE */
7632 (iw_handler) NULL, /* SIOCGIWGENIE */
7633 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7634 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7635 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7636 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7637 (iw_handler) NULL, /* SIOCSIWPMKSA */
7640 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7641 * We want to force the use of the ioctl code, because those can't be
7642 * won't work the iw_handler code (because they simultaneously read
7643 * and write data and iw_handler can't do that).
7644 * Note that it's perfectly legal to read/write on a single ioctl command,
7645 * you just can't use iwpriv and need to force it via the ioctl handler.
7647 static const iw_handler airo_private_handler[] =
7649 NULL, /* SIOCIWFIRSTPRIV */
7652 static const struct iw_handler_def airo_handler_def =
7654 .num_standard = ARRAY_SIZE(airo_handler),
7655 .num_private = ARRAY_SIZE(airo_private_handler),
7656 .num_private_args = ARRAY_SIZE(airo_private_args),
7657 .standard = airo_handler,
7658 .private = airo_private_handler,
7659 .private_args = airo_private_args,
7660 .get_wireless_stats = airo_get_wireless_stats,
7664 * This defines the configuration part of the Wireless Extensions
7665 * Note : irq and spinlock protection will occur in the subroutines
7668 * o Check input value more carefully and fill correct values in range
7669 * o Test and shakeout the bugs (if any)
7673 * Javier Achirica did a great job of merging code from the unnamed CISCO
7674 * developer that added support for flashing the card.
7676 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7679 struct airo_info *ai = dev->ml_priv;
7681 if (ai->power.event)
7691 int val = AIROMAGIC;
7693 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7695 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7704 /* Get the command struct and hand it off for evaluation by
7705 * the proper subfunction
7709 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7714 /* Separate R/W functions bracket legality here
7716 if ( com.command == AIRORSWVERSION ) {
7717 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7722 else if ( com.command <= AIRORRID)
7723 rc = readrids(dev,&com);
7724 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7725 rc = writerids(dev,&com);
7726 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7727 rc = flashcard(dev,&com);
7729 rc = -EINVAL; /* Bad command in ioctl */
7732 #endif /* CISCO_EXT */
7734 // All other calls are currently unsupported
7742 * Get the Wireless stats out of the driver
7743 * Note : irq and spinlock protection will occur in the subroutines
7746 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7750 static void airo_read_wireless_stats(struct airo_info *local)
7752 StatusRid status_rid;
7754 CapabilityRid cap_rid;
7755 __le32 *vals = stats_rid.vals;
7757 /* Get stats out of the card */
7758 clear_bit(JOB_WSTATS, &local->jobs);
7759 if (local->power.event) {
7763 readCapabilityRid(local, &cap_rid, 0);
7764 readStatusRid(local, &status_rid, 0);
7765 readStatsRid(local, &stats_rid, RID_STATS, 0);
7769 local->wstats.status = le16_to_cpu(status_rid.mode);
7771 /* Signal quality and co */
7773 local->wstats.qual.level =
7774 airo_rssi_to_dbm(local->rssi,
7775 le16_to_cpu(status_rid.sigQuality));
7776 /* normalizedSignalStrength appears to be a percentage */
7777 local->wstats.qual.qual =
7778 le16_to_cpu(status_rid.normalizedSignalStrength);
7780 local->wstats.qual.level =
7781 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7782 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7784 if (le16_to_cpu(status_rid.len) >= 124) {
7785 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7786 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7788 local->wstats.qual.noise = 0;
7789 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7792 /* Packets discarded in the wireless adapter due to wireless
7793 * specific problems */
7794 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7795 le32_to_cpu(vals[57]) +
7796 le32_to_cpu(vals[58]); /* SSID Mismatch */
7797 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7798 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7799 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7800 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7801 le32_to_cpu(vals[32]);
7802 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7805 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7807 struct airo_info *local = dev->ml_priv;
7809 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7810 /* Get stats out of the card if available */
7811 if (down_trylock(&local->sem) != 0) {
7812 set_bit(JOB_WSTATS, &local->jobs);
7813 wake_up_interruptible(&local->thr_wait);
7815 airo_read_wireless_stats(local);
7818 return &local->wstats;
7823 * This just translates from driver IOCTL codes to the command codes to
7824 * feed to the radio's host interface. Things can be added/deleted
7825 * as needed. This represents the READ side of control I/O to
7828 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7829 unsigned short ridcode;
7830 unsigned char *iobuf;
7832 struct airo_info *ai = dev->ml_priv;
7834 if (test_bit(FLAG_FLASHING, &ai->flags))
7837 switch(comp->command)
7839 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7840 case AIROGCFG: ridcode = RID_CONFIG;
7841 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7842 disable_MAC (ai, 1);
7843 writeConfigRid (ai, 1);
7847 case AIROGSLIST: ridcode = RID_SSID; break;
7848 case AIROGVLIST: ridcode = RID_APLIST; break;
7849 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7850 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7851 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7852 /* Only super-user can read WEP keys */
7853 if (!capable(CAP_NET_ADMIN))
7856 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7857 /* Only super-user can read WEP keys */
7858 if (!capable(CAP_NET_ADMIN))
7861 case AIROGSTAT: ridcode = RID_STATUS; break;
7862 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7863 case AIROGSTATSC32: ridcode = RID_STATS; break;
7865 if (copy_to_user(comp->data, &ai->micstats,
7866 min((int)comp->len,(int)sizeof(ai->micstats))))
7869 case AIRORRID: ridcode = comp->ridnum; break;
7875 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7878 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7879 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7880 * then return it to the user
7881 * 9/22/2000 Honor user given length
7885 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7894 * Danger Will Robinson write the rids here
7897 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7898 struct airo_info *ai = dev->ml_priv;
7901 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7902 unsigned char *iobuf;
7904 /* Only super-user can write RIDs */
7905 if (!capable(CAP_NET_ADMIN))
7908 if (test_bit(FLAG_FLASHING, &ai->flags))
7912 writer = do_writerid;
7914 switch(comp->command)
7916 case AIROPSIDS: ridcode = RID_SSID; break;
7917 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7918 case AIROPAPLIST: ridcode = RID_APLIST; break;
7919 case AIROPCFG: ai->config.len = 0;
7920 clear_bit(FLAG_COMMIT, &ai->flags);
7921 ridcode = RID_CONFIG; break;
7922 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7923 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7924 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7925 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7927 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7928 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7930 /* this is not really a rid but a command given to the card
7934 if (enable_MAC(ai, 1) != 0)
7939 * Evidently this code in the airo driver does not get a symbol
7940 * as disable_MAC. it's probably so short the compiler does not gen one.
7946 /* This command merely clears the counts does not actually store any data
7947 * only reads rid. But as it changes the cards state, I put it in the
7948 * writerid routines.
7951 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7954 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7956 enabled = ai->micstats.enabled;
7957 memset(&ai->micstats,0,sizeof(ai->micstats));
7958 ai->micstats.enabled = enabled;
7960 if (copy_to_user(comp->data, iobuf,
7961 min((int)comp->len, (int)RIDSIZE))) {
7969 return -EOPNOTSUPP; /* Blarg! */
7971 if(comp->len > RIDSIZE)
7974 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7977 if (copy_from_user(iobuf,comp->data,comp->len)) {
7982 if (comp->command == AIROPCFG) {
7983 ConfigRid *cfg = (ConfigRid *)iobuf;
7985 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7986 cfg->opmode |= MODE_MIC;
7988 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7989 set_bit (FLAG_ADHOC, &ai->flags);
7991 clear_bit (FLAG_ADHOC, &ai->flags);
7994 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8002 /*****************************************************************************
8003 * Ancillary flash / mod functions much black magic lurkes here *
8004 *****************************************************************************
8008 * Flash command switch table
8011 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8014 /* Only super-user can modify flash */
8015 if (!capable(CAP_NET_ADMIN))
8018 switch(comp->command)
8021 return cmdreset((struct airo_info *)dev->ml_priv);
8024 if (!AIRO_FLASH(dev) &&
8025 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8027 return setflashmode((struct airo_info *)dev->ml_priv);
8029 case AIROFLSHGCHR: /* Get char from aux */
8030 if(comp->len != sizeof(int))
8032 if (copy_from_user(&z,comp->data,comp->len))
8034 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8036 case AIROFLSHPCHR: /* Send char to card. */
8037 if(comp->len != sizeof(int))
8039 if (copy_from_user(&z,comp->data,comp->len))
8041 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8043 case AIROFLPUTBUF: /* Send 32k to card */
8044 if (!AIRO_FLASH(dev))
8046 if(comp->len > FLASHSIZE)
8048 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8051 flashputbuf((struct airo_info *)dev->ml_priv);
8055 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8062 #define FLASH_COMMAND 0x7e7e
8066 * Disable MAC and do soft reset on
8070 static int cmdreset(struct airo_info *ai) {
8074 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8078 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8080 ssleep(1); /* WAS 600 12/7/00 */
8083 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8090 * Put the card in legendary flash
8094 static int setflashmode (struct airo_info *ai) {
8095 set_bit (FLAG_FLASHING, &ai->flags);
8097 OUT4500(ai, SWS0, FLASH_COMMAND);
8098 OUT4500(ai, SWS1, FLASH_COMMAND);
8100 OUT4500(ai, SWS0, FLASH_COMMAND);
8101 OUT4500(ai, COMMAND,0x10);
8103 OUT4500(ai, SWS2, FLASH_COMMAND);
8104 OUT4500(ai, SWS3, FLASH_COMMAND);
8105 OUT4500(ai, COMMAND,0);
8107 msleep(500); /* 500ms delay */
8110 clear_bit (FLAG_FLASHING, &ai->flags);
8111 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8117 /* Put character to SWS0 wait for dwelltime
8121 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8132 /* Wait for busy bit d15 to go false indicating buffer empty */
8133 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8138 /* timeout for busy clear wait */
8140 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8144 /* Port is clear now write byte and wait for it to echo back */
8146 OUT4500(ai,SWS0,byte);
8149 echo = IN4500(ai,SWS1);
8150 } while (dwelltime >= 0 && echo != byte);
8154 return (echo == byte) ? 0 : -EIO;
8158 * Get a character from the card matching matchbyte
8161 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8163 unsigned char rbyte=0;
8166 rchar = IN4500(ai,SWS1);
8168 if(dwelltime && !(0x8000 & rchar)){
8173 rbyte = 0xff & rchar;
8175 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8179 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8183 }while(dwelltime > 0);
8188 * Transfer 32k of firmware data from user buffer to our buffer and
8192 static int flashputbuf(struct airo_info *ai){
8196 if (test_bit(FLAG_MPI,&ai->flags))
8197 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8199 OUT4500(ai,AUXPAGE,0x100);
8200 OUT4500(ai,AUXOFF,0);
8202 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8203 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8206 OUT4500(ai,SWS0,0x8000);
8214 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8217 ssleep(1); /* Added 12/7/00 */
8218 clear_bit (FLAG_FLASHING, &ai->flags);
8219 if (test_bit(FLAG_MPI, &ai->flags)) {
8220 status = mpi_init_descriptors(ai);
8221 if (status != SUCCESS)
8224 status = setup_card(ai, dev->dev_addr, 1);
8226 if (!test_bit(FLAG_MPI,&ai->flags))
8227 for( i = 0; i < MAX_FIDS; i++ ) {
8228 ai->fids[i] = transmit_allocate
8229 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8232 ssleep(1); /* Added 12/7/00 */
8235 #endif /* CISCO_EXT */
8238 This program is free software; you can redistribute it and/or
8239 modify it under the terms of the GNU General Public License
8240 as published by the Free Software Foundation; either version 2
8241 of the License, or (at your option) any later version.
8243 This program is distributed in the hope that it will be useful,
8244 but WITHOUT ANY WARRANTY; without even the implied warranty of
8245 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8246 GNU General Public License for more details.
8250 Redistribution and use in source and binary forms, with or without
8251 modification, are permitted provided that the following conditions
8254 1. Redistributions of source code must retain the above copyright
8255 notice, this list of conditions and the following disclaimer.
8256 2. Redistributions in binary form must reproduce the above copyright
8257 notice, this list of conditions and the following disclaimer in the
8258 documentation and/or other materials provided with the distribution.
8259 3. The name of the author may not be used to endorse or promote
8260 products derived from this software without specific prior written
8263 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8264 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8265 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8266 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8267 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8268 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8269 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8270 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8271 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8272 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8273 POSSIBILITY OF SUCH DAMAGE.
8276 module_init(airo_init_module);
8277 module_exit(airo_cleanup_module);