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 struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
70 MODULE_DEVICE_TABLE(pci, card_ids);
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
77 static struct pci_driver airo_driver = {
80 .probe = airo_pci_probe,
81 .remove = __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 int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1924 int npacks, pending;
1925 unsigned long flags;
1926 struct airo_info *ai = dev->ml_priv;
1929 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 npacks = skb_queue_len (&ai->txq);
1934 if (npacks >= MAXTXQ - 1) {
1935 netif_stop_queue (dev);
1936 if (npacks > MAXTXQ) {
1937 dev->stats.tx_fifo_errors++;
1940 skb_queue_tail (&ai->txq, skb);
1944 spin_lock_irqsave(&ai->aux_lock, flags);
1945 skb_queue_tail (&ai->txq, skb);
1946 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1947 spin_unlock_irqrestore(&ai->aux_lock,flags);
1948 netif_wake_queue (dev);
1951 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1952 mpi_send_packet (dev);
1960 * Attempt to transmit a packet. Can be called from interrupt
1961 * or transmit . return number of packets we tried to send
1964 static int mpi_send_packet (struct net_device *dev)
1966 struct sk_buff *skb;
1967 unsigned char *buffer;
1970 struct airo_info *ai = dev->ml_priv;
1973 /* get a packet to send */
1975 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1976 airo_print_err(dev->name,
1977 "%s: Dequeue'd zero in send_packet()",
1982 /* check min length*/
1983 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1986 ai->txfids[0].tx_desc.offset = 0;
1987 ai->txfids[0].tx_desc.valid = 1;
1988 ai->txfids[0].tx_desc.eoc = 1;
1989 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1992 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1993 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1994 * is immediatly after it. ------------------------------------------------
1995 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1996 * ------------------------------------------------
1999 memcpy((char *)ai->txfids[0].virtual_host_addr,
2000 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2002 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2003 sizeof(wifictlhdr8023));
2004 sendbuf = ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023) + 2 ;
2008 * Firmware automaticly puts 802 header on so
2009 * we don't need to account for it in the length
2011 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2012 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2015 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2018 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2019 ai->txfids[0].tx_desc.len += sizeof(pMic);
2020 /* copy data into airo dma buffer */
2021 memcpy (sendbuf, buffer, sizeof(etherHead));
2022 buffer += sizeof(etherHead);
2023 sendbuf += sizeof(etherHead);
2024 memcpy (sendbuf, &pMic, sizeof(pMic));
2025 sendbuf += sizeof(pMic);
2026 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2028 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2030 dev->trans_start = jiffies;
2032 /* copy data into airo dma buffer */
2033 memcpy(sendbuf, buffer, len);
2036 memcpy_toio(ai->txfids[0].card_ram_off,
2037 &ai->txfids[0].tx_desc, sizeof(TxFid));
2039 OUT4500(ai, EVACK, 8);
2041 dev_kfree_skb_any(skb);
2045 static void get_tx_error(struct airo_info *ai, s32 fid)
2050 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2052 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2054 bap_read(ai, &status, 2, BAP0);
2056 if (le16_to_cpu(status) & 2) /* Too many retries */
2057 ai->dev->stats.tx_aborted_errors++;
2058 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2059 ai->dev->stats.tx_heartbeat_errors++;
2060 if (le16_to_cpu(status) & 8) /* Aid fail */
2062 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2063 ai->dev->stats.tx_carrier_errors++;
2064 if (le16_to_cpu(status) & 0x20) /* Association lost */
2066 /* We produce a TXDROP event only for retry or lifetime
2067 * exceeded, because that's the only status that really mean
2068 * that this particular node went away.
2069 * Other errors means that *we* screwed up. - Jean II */
2070 if ((le16_to_cpu(status) & 2) ||
2071 (le16_to_cpu(status) & 4)) {
2072 union iwreq_data wrqu;
2075 /* Faster to skip over useless data than to do
2076 * another bap_setup(). We are at offset 0x6 and
2077 * need to go to 0x18 and read 6 bytes - Jean II */
2078 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2080 /* Copy 802.11 dest address.
2081 * We use the 802.11 header because the frame may
2082 * not be 802.3 or may be mangled...
2083 * In Ad-Hoc mode, it will be the node address.
2084 * In managed mode, it will be most likely the AP addr
2085 * User space will figure out how to convert it to
2086 * whatever it needs (IP address or else).
2088 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2089 wrqu.addr.sa_family = ARPHRD_ETHER;
2091 /* Send event to user space */
2092 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 static void airo_end_xmit(struct net_device *dev) {
2099 struct airo_info *priv = dev->ml_priv;
2100 struct sk_buff *skb = priv->xmit.skb;
2101 int fid = priv->xmit.fid;
2102 u32 *fids = priv->fids;
2104 clear_bit(JOB_XMIT, &priv->jobs);
2105 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2106 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 if ( status == SUCCESS ) {
2111 dev->trans_start = jiffies;
2112 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2114 priv->fids[fid] &= 0xffff;
2115 dev->stats.tx_window_errors++;
2117 if (i < MAX_FIDS / 2)
2118 netif_wake_queue(dev);
2122 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2125 struct airo_info *priv = dev->ml_priv;
2126 u32 *fids = priv->fids;
2128 if ( skb == NULL ) {
2129 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2133 /* Find a vacant FID */
2134 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2135 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2137 if ( j >= MAX_FIDS / 2 ) {
2138 netif_stop_queue(dev);
2140 if (i == MAX_FIDS / 2) {
2141 dev->stats.tx_fifo_errors++;
2145 /* check min length*/
2146 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2147 /* Mark fid as used & save length for later */
2148 fids[i] |= (len << 16);
2149 priv->xmit.skb = skb;
2151 if (down_trylock(&priv->sem) != 0) {
2152 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2153 netif_stop_queue(dev);
2154 set_bit(JOB_XMIT, &priv->jobs);
2155 wake_up_interruptible(&priv->thr_wait);
2161 static void airo_end_xmit11(struct net_device *dev) {
2164 struct airo_info *priv = dev->ml_priv;
2165 struct sk_buff *skb = priv->xmit11.skb;
2166 int fid = priv->xmit11.fid;
2167 u32 *fids = priv->fids;
2169 clear_bit(JOB_XMIT11, &priv->jobs);
2170 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2171 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2175 if ( status == SUCCESS ) {
2176 dev->trans_start = jiffies;
2177 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2179 priv->fids[fid] &= 0xffff;
2180 dev->stats.tx_window_errors++;
2183 netif_wake_queue(dev);
2187 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2190 struct airo_info *priv = dev->ml_priv;
2191 u32 *fids = priv->fids;
2193 if (test_bit(FLAG_MPI, &priv->flags)) {
2194 /* Not implemented yet for MPI350 */
2195 netif_stop_queue(dev);
2196 dev_kfree_skb_any(skb);
2197 return NETDEV_TX_OK;
2200 if ( skb == NULL ) {
2201 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2205 /* Find a vacant FID */
2206 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2207 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2209 if ( j >= MAX_FIDS ) {
2210 netif_stop_queue(dev);
2212 if (i == MAX_FIDS) {
2213 dev->stats.tx_fifo_errors++;
2217 /* check min length*/
2218 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2219 /* Mark fid as used & save length for later */
2220 fids[i] |= (len << 16);
2221 priv->xmit11.skb = skb;
2222 priv->xmit11.fid = i;
2223 if (down_trylock(&priv->sem) != 0) {
2224 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2225 netif_stop_queue(dev);
2226 set_bit(JOB_XMIT11, &priv->jobs);
2227 wake_up_interruptible(&priv->thr_wait);
2229 airo_end_xmit11(dev);
2233 static void airo_read_stats(struct net_device *dev)
2235 struct airo_info *ai = dev->ml_priv;
2237 __le32 *vals = stats_rid.vals;
2239 clear_bit(JOB_STATS, &ai->jobs);
2240 if (ai->power.event) {
2244 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2247 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2248 le32_to_cpu(vals[45]);
2249 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2250 le32_to_cpu(vals[41]);
2251 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2252 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2253 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2254 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2255 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2256 dev->stats.tx_fifo_errors;
2257 dev->stats.multicast = le32_to_cpu(vals[43]);
2258 dev->stats.collisions = le32_to_cpu(vals[89]);
2260 /* detailed rx_errors: */
2261 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2262 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2263 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2264 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2267 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2269 struct airo_info *local = dev->ml_priv;
2271 if (!test_bit(JOB_STATS, &local->jobs)) {
2272 /* Get stats out of the card if available */
2273 if (down_trylock(&local->sem) != 0) {
2274 set_bit(JOB_STATS, &local->jobs);
2275 wake_up_interruptible(&local->thr_wait);
2277 airo_read_stats(dev);
2283 static void airo_set_promisc(struct airo_info *ai) {
2287 memset(&cmd, 0, sizeof(cmd));
2288 cmd.cmd=CMD_SETMODE;
2289 clear_bit(JOB_PROMISC, &ai->jobs);
2290 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2291 issuecommand(ai, &cmd, &rsp);
2295 static void airo_set_multicast_list(struct net_device *dev) {
2296 struct airo_info *ai = dev->ml_priv;
2298 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2299 change_bit(FLAG_PROMISC, &ai->flags);
2300 if (down_trylock(&ai->sem) != 0) {
2301 set_bit(JOB_PROMISC, &ai->jobs);
2302 wake_up_interruptible(&ai->thr_wait);
2304 airo_set_promisc(ai);
2307 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2308 /* Turn on multicast. (Should be already setup...) */
2312 static int airo_set_mac_address(struct net_device *dev, void *p)
2314 struct airo_info *ai = dev->ml_priv;
2315 struct sockaddr *addr = p;
2317 readConfigRid(ai, 1);
2318 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2319 set_bit (FLAG_COMMIT, &ai->flags);
2321 writeConfigRid (ai, 1);
2323 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2325 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2329 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2331 if ((new_mtu < 68) || (new_mtu > 2400))
2337 static LIST_HEAD(airo_devices);
2339 static void add_airo_dev(struct airo_info *ai)
2341 /* Upper layers already keep track of PCI devices,
2342 * so we only need to remember our non-PCI cards. */
2344 list_add_tail(&ai->dev_list, &airo_devices);
2347 static void del_airo_dev(struct airo_info *ai)
2350 list_del(&ai->dev_list);
2353 static int airo_close(struct net_device *dev) {
2354 struct airo_info *ai = dev->ml_priv;
2356 netif_stop_queue(dev);
2358 if (ai->wifidev != dev) {
2359 #ifdef POWER_ON_DOWN
2360 /* Shut power to the card. The idea is that the user can save
2361 * power when he doesn't need the card with "ifconfig down".
2362 * That's the method that is most friendly towards the network
2363 * stack (i.e. the network stack won't try to broadcast
2364 * anything on the interface and routes are gone. Jean II */
2365 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2368 disable_interrupts( ai );
2370 free_irq(dev->irq, dev);
2372 set_bit(JOB_DIE, &ai->jobs);
2373 kthread_stop(ai->airo_thread_task);
2378 void stop_airo_card( struct net_device *dev, int freeres )
2380 struct airo_info *ai = dev->ml_priv;
2382 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2384 disable_interrupts(ai);
2385 takedown_proc_entry( dev, ai );
2386 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2387 unregister_netdev( dev );
2389 unregister_netdev(ai->wifidev);
2390 free_netdev(ai->wifidev);
2393 clear_bit(FLAG_REGISTERED, &ai->flags);
2396 * Clean out tx queue
2398 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2399 struct sk_buff *skb = NULL;
2400 for (;(skb = skb_dequeue(&ai->txq));)
2404 airo_networks_free (ai);
2411 /* PCMCIA frees this stuff, so only for PCI and ISA */
2412 release_region( dev->base_addr, 64 );
2413 if (test_bit(FLAG_MPI, &ai->flags)) {
2415 mpi_unmap_card(ai->pci);
2417 iounmap(ai->pcimem);
2419 iounmap(ai->pciaux);
2420 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2421 ai->shared, ai->shared_dma);
2424 crypto_free_cipher(ai->tfm);
2429 EXPORT_SYMBOL(stop_airo_card);
2431 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2433 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2437 static void mpi_unmap_card(struct pci_dev *pci)
2439 unsigned long mem_start = pci_resource_start(pci, 1);
2440 unsigned long mem_len = pci_resource_len(pci, 1);
2441 unsigned long aux_start = pci_resource_start(pci, 2);
2442 unsigned long aux_len = AUXMEMSIZE;
2444 release_mem_region(aux_start, aux_len);
2445 release_mem_region(mem_start, mem_len);
2448 /*************************************************************
2449 * This routine assumes that descriptors have been setup .
2450 * Run at insmod time or after reset when the decriptors
2451 * have been initialized . Returns 0 if all is well nz
2452 * otherwise . Does not allocate memory but sets up card
2453 * using previously allocated descriptors.
2455 static int mpi_init_descriptors (struct airo_info *ai)
2462 /* Alloc card RX descriptors */
2463 netif_stop_queue(ai->dev);
2465 memset(&rsp,0,sizeof(rsp));
2466 memset(&cmd,0,sizeof(cmd));
2468 cmd.cmd = CMD_ALLOCATEAUX;
2470 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2471 cmd.parm2 = MPI_MAX_FIDS;
2472 rc=issuecommand(ai, &cmd, &rsp);
2473 if (rc != SUCCESS) {
2474 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2478 for (i=0; i<MPI_MAX_FIDS; i++) {
2479 memcpy_toio(ai->rxfids[i].card_ram_off,
2480 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2483 /* Alloc card TX descriptors */
2485 memset(&rsp,0,sizeof(rsp));
2486 memset(&cmd,0,sizeof(cmd));
2488 cmd.cmd = CMD_ALLOCATEAUX;
2490 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2491 cmd.parm2 = MPI_MAX_FIDS;
2493 for (i=0; i<MPI_MAX_FIDS; i++) {
2494 ai->txfids[i].tx_desc.valid = 1;
2495 memcpy_toio(ai->txfids[i].card_ram_off,
2496 &ai->txfids[i].tx_desc, sizeof(TxFid));
2498 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2500 rc=issuecommand(ai, &cmd, &rsp);
2501 if (rc != SUCCESS) {
2502 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2506 /* Alloc card Rid descriptor */
2507 memset(&rsp,0,sizeof(rsp));
2508 memset(&cmd,0,sizeof(cmd));
2510 cmd.cmd = CMD_ALLOCATEAUX;
2512 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2513 cmd.parm2 = 1; /* Magic number... */
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
2516 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2520 memcpy_toio(ai->config_desc.card_ram_off,
2521 &ai->config_desc.rid_desc, sizeof(Rid));
2527 * We are setting up three things here:
2528 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2529 * 2) Map PCI memory for issueing commands.
2530 * 3) Allocate memory (shared) to send and receive ethernet frames.
2532 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2534 unsigned long mem_start, mem_len, aux_start, aux_len;
2537 dma_addr_t busaddroff;
2538 unsigned char *vpackoff;
2539 unsigned char __iomem *pciaddroff;
2541 mem_start = pci_resource_start(pci, 1);
2542 mem_len = pci_resource_len(pci, 1);
2543 aux_start = pci_resource_start(pci, 2);
2544 aux_len = AUXMEMSIZE;
2546 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2547 airo_print_err("", "Couldn't get region %x[%x]",
2548 (int)mem_start, (int)mem_len);
2551 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2552 airo_print_err("", "Couldn't get region %x[%x]",
2553 (int)aux_start, (int)aux_len);
2557 ai->pcimem = ioremap(mem_start, mem_len);
2559 airo_print_err("", "Couldn't map region %x[%x]",
2560 (int)mem_start, (int)mem_len);
2563 ai->pciaux = ioremap(aux_start, aux_len);
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)aux_start, (int)aux_len);
2570 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2571 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2573 airo_print_err("", "Couldn't alloc_consistent %d",
2579 * Setup descriptor RX, TX, CONFIG
2581 busaddroff = ai->shared_dma;
2582 pciaddroff = ai->pciaux + AUX_OFFSET;
2583 vpackoff = ai->shared;
2585 /* RX descriptor setup */
2586 for(i = 0; i < MPI_MAX_FIDS; i++) {
2587 ai->rxfids[i].pending = 0;
2588 ai->rxfids[i].card_ram_off = pciaddroff;
2589 ai->rxfids[i].virtual_host_addr = vpackoff;
2590 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2591 ai->rxfids[i].rx_desc.valid = 1;
2592 ai->rxfids[i].rx_desc.len = PKTSIZE;
2593 ai->rxfids[i].rx_desc.rdy = 0;
2595 pciaddroff += sizeof(RxFid);
2596 busaddroff += PKTSIZE;
2597 vpackoff += PKTSIZE;
2600 /* TX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->txfids[i].card_ram_off = pciaddroff;
2603 ai->txfids[i].virtual_host_addr = vpackoff;
2604 ai->txfids[i].tx_desc.valid = 1;
2605 ai->txfids[i].tx_desc.host_addr = busaddroff;
2606 memcpy(ai->txfids[i].virtual_host_addr,
2607 &wifictlhdr8023, sizeof(wifictlhdr8023));
2609 pciaddroff += sizeof(TxFid);
2610 busaddroff += PKTSIZE;
2611 vpackoff += PKTSIZE;
2613 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2615 /* Rid descriptor setup */
2616 ai->config_desc.card_ram_off = pciaddroff;
2617 ai->config_desc.virtual_host_addr = vpackoff;
2618 ai->config_desc.rid_desc.host_addr = busaddroff;
2619 ai->ridbus = busaddroff;
2620 ai->config_desc.rid_desc.rid = 0;
2621 ai->config_desc.rid_desc.len = RIDSIZE;
2622 ai->config_desc.rid_desc.valid = 1;
2623 pciaddroff += sizeof(Rid);
2624 busaddroff += RIDSIZE;
2625 vpackoff += RIDSIZE;
2627 /* Tell card about descriptors */
2628 if (mpi_init_descriptors (ai) != SUCCESS)
2633 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2635 iounmap(ai->pciaux);
2637 iounmap(ai->pcimem);
2639 release_mem_region(aux_start, aux_len);
2641 release_mem_region(mem_start, mem_len);
2646 static const struct header_ops airo_header_ops = {
2647 .parse = wll_header_parse,
2650 static const struct net_device_ops airo11_netdev_ops = {
2651 .ndo_open = airo_open,
2652 .ndo_stop = airo_close,
2653 .ndo_start_xmit = airo_start_xmit11,
2654 .ndo_get_stats = airo_get_stats,
2655 .ndo_set_mac_address = airo_set_mac_address,
2656 .ndo_do_ioctl = airo_ioctl,
2657 .ndo_change_mtu = airo_change_mtu,
2660 static void wifi_setup(struct net_device *dev)
2662 dev->netdev_ops = &airo11_netdev_ops;
2663 dev->header_ops = &airo_header_ops;
2664 dev->wireless_handlers = &airo_handler_def;
2666 dev->type = ARPHRD_IEEE80211;
2667 dev->hard_header_len = ETH_HLEN;
2668 dev->mtu = AIRO_DEF_MTU;
2669 dev->addr_len = ETH_ALEN;
2670 dev->tx_queue_len = 100;
2672 memset(dev->broadcast,0xFF, ETH_ALEN);
2674 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2677 static struct net_device *init_wifidev(struct airo_info *ai,
2678 struct net_device *ethdev)
2681 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2684 dev->ml_priv = ethdev->ml_priv;
2685 dev->irq = ethdev->irq;
2686 dev->base_addr = ethdev->base_addr;
2687 dev->wireless_data = ethdev->wireless_data;
2688 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2689 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2690 err = register_netdev(dev);
2698 static int reset_card( struct net_device *dev , int lock) {
2699 struct airo_info *ai = dev->ml_priv;
2701 if (lock && down_interruptible(&ai->sem))
2704 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2713 #define AIRO_MAX_NETWORK_COUNT 64
2714 static int airo_networks_allocate(struct airo_info *ai)
2720 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2722 if (!ai->networks) {
2723 airo_print_warn("", "Out of memory allocating beacons");
2730 static void airo_networks_free(struct airo_info *ai)
2732 kfree(ai->networks);
2733 ai->networks = NULL;
2736 static void airo_networks_initialize(struct airo_info *ai)
2740 INIT_LIST_HEAD(&ai->network_free_list);
2741 INIT_LIST_HEAD(&ai->network_list);
2742 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2743 list_add_tail(&ai->networks[i].list,
2744 &ai->network_free_list);
2747 static const struct net_device_ops airo_netdev_ops = {
2748 .ndo_open = airo_open,
2749 .ndo_stop = airo_close,
2750 .ndo_start_xmit = airo_start_xmit,
2751 .ndo_get_stats = airo_get_stats,
2752 .ndo_set_multicast_list = airo_set_multicast_list,
2753 .ndo_set_mac_address = airo_set_mac_address,
2754 .ndo_do_ioctl = airo_ioctl,
2755 .ndo_change_mtu = airo_change_mtu,
2756 .ndo_validate_addr = eth_validate_addr,
2759 static const struct net_device_ops mpi_netdev_ops = {
2760 .ndo_open = airo_open,
2761 .ndo_stop = airo_close,
2762 .ndo_start_xmit = mpi_start_xmit,
2763 .ndo_get_stats = airo_get_stats,
2764 .ndo_set_multicast_list = airo_set_multicast_list,
2765 .ndo_set_mac_address = airo_set_mac_address,
2766 .ndo_do_ioctl = airo_ioctl,
2767 .ndo_change_mtu = airo_change_mtu,
2768 .ndo_validate_addr = eth_validate_addr,
2772 static struct net_device *_init_airo_card( unsigned short irq, int port,
2773 int is_pcmcia, struct pci_dev *pci,
2774 struct device *dmdev )
2776 struct net_device *dev;
2777 struct airo_info *ai;
2779 CapabilityRid cap_rid;
2781 /* Create the network device object. */
2782 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2784 airo_print_err("", "Couldn't alloc_etherdev");
2788 ai = dev->ml_priv = netdev_priv(dev);
2790 ai->flags = 1 << FLAG_RADIO_DOWN;
2793 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2794 airo_print_dbg("", "Found an MPI350 card");
2795 set_bit(FLAG_MPI, &ai->flags);
2797 spin_lock_init(&ai->aux_lock);
2798 sema_init(&ai->sem, 1);
2801 init_waitqueue_head (&ai->thr_wait);
2805 if (airo_networks_allocate (ai))
2807 airo_networks_initialize (ai);
2809 skb_queue_head_init (&ai->txq);
2811 /* The Airo-specific entries in the device structure. */
2812 if (test_bit(FLAG_MPI,&ai->flags))
2813 dev->netdev_ops = &mpi_netdev_ops;
2815 dev->netdev_ops = &airo_netdev_ops;
2816 dev->wireless_handlers = &airo_handler_def;
2817 ai->wireless_data.spy_data = &ai->spy_data;
2818 dev->wireless_data = &ai->wireless_data;
2820 dev->base_addr = port;
2822 SET_NETDEV_DEV(dev, dmdev);
2824 reset_card (dev, 1);
2828 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2830 airo_print_err(dev->name, "Couldn't request region");
2835 if (test_bit(FLAG_MPI,&ai->flags)) {
2836 if (mpi_map_card(ai, pci)) {
2837 airo_print_err("", "Could not map memory");
2843 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2844 airo_print_err(dev->name, "MAC could not be enabled" );
2848 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2849 ai->bap_read = fast_bap_read;
2850 set_bit(FLAG_FLASHING, &ai->flags);
2853 strcpy(dev->name, "eth%d");
2854 rc = register_netdev(dev);
2856 airo_print_err(dev->name, "Couldn't register_netdev");
2859 ai->wifidev = init_wifidev(ai, dev);
2863 rc = readCapabilityRid(ai, &cap_rid, 1);
2864 if (rc != SUCCESS) {
2868 /* WEP capability discovery */
2869 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2870 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2872 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2873 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2874 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2875 le16_to_cpu(cap_rid.softSubVer));
2877 /* Test for WPA support */
2878 /* Only firmware versions 5.30.17 or better can do WPA */
2879 if (le16_to_cpu(cap_rid.softVer) > 0x530
2880 || (le16_to_cpu(cap_rid.softVer) == 0x530
2881 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2882 airo_print_info(ai->dev->name, "WPA supported.");
2884 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2885 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2886 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2887 ai->bssListRidLen = sizeof(BSSListRid);
2889 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2890 "versions older than 5.30.17.");
2892 ai->bssListFirst = RID_BSSLISTFIRST;
2893 ai->bssListNext = RID_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2897 set_bit(FLAG_REGISTERED,&ai->flags);
2898 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2900 /* Allocate the transmit buffers */
2901 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2902 for( i = 0; i < MAX_FIDS; i++ )
2903 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2905 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2911 unregister_netdev(ai->wifidev);
2912 free_netdev(ai->wifidev);
2914 unregister_netdev(dev);
2916 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2917 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2918 iounmap(ai->pciaux);
2919 iounmap(ai->pcimem);
2920 mpi_unmap_card(ai->pci);
2924 release_region( dev->base_addr, 64 );
2926 airo_networks_free(ai);
2933 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2934 struct device *dmdev)
2936 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2939 EXPORT_SYMBOL(init_airo_card);
2941 static int waitbusy (struct airo_info *ai) {
2943 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2945 if ((++delay % 20) == 0)
2946 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2948 return delay < 10000;
2951 int reset_airo_card( struct net_device *dev )
2954 struct airo_info *ai = dev->ml_priv;
2956 if (reset_card (dev, 1))
2959 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2960 airo_print_err(dev->name, "MAC could not be enabled");
2963 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2964 /* Allocate the transmit buffers if needed */
2965 if (!test_bit(FLAG_MPI,&ai->flags))
2966 for( i = 0; i < MAX_FIDS; i++ )
2967 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2969 enable_interrupts( ai );
2970 netif_wake_queue(dev);
2974 EXPORT_SYMBOL(reset_airo_card);
2976 static void airo_send_event(struct net_device *dev) {
2977 struct airo_info *ai = dev->ml_priv;
2978 union iwreq_data wrqu;
2979 StatusRid status_rid;
2981 clear_bit(JOB_EVENT, &ai->jobs);
2982 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2984 wrqu.data.length = 0;
2985 wrqu.data.flags = 0;
2986 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2987 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2989 /* Send event to user space */
2990 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2993 static void airo_process_scan_results (struct airo_info *ai) {
2994 union iwreq_data wrqu;
2997 BSSListElement * loop_net;
2998 BSSListElement * tmp_net;
3000 /* Blow away current list of scan results */
3001 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3002 list_move_tail (&loop_net->list, &ai->network_free_list);
3003 /* Don't blow away ->list, just BSS data */
3004 memset (loop_net, 0, sizeof (loop_net->bss));
3007 /* Try to read the first entry of the scan result */
3008 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3009 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3010 /* No scan results */
3014 /* Read and parse all entries */
3016 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3017 /* Grab a network off the free list */
3018 if (!list_empty(&ai->network_free_list)) {
3019 tmp_net = list_entry(ai->network_free_list.next,
3020 BSSListElement, list);
3021 list_del(ai->network_free_list.next);
3024 if (tmp_net != NULL) {
3025 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3026 list_add_tail(&tmp_net->list, &ai->network_list);
3030 /* Read next entry */
3031 rc = PC4500_readrid(ai, ai->bssListNext,
3032 &bss, ai->bssListRidLen, 0);
3036 ai->scan_timeout = 0;
3037 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3040 /* Send an empty event to user space.
3041 * We don't send the received data on
3042 * the event because it would require
3043 * us to do complex transcoding, and
3044 * we want to minimise the work done in
3045 * the irq handler. Use a request to
3046 * extract the data - Jean II */
3047 wrqu.data.length = 0;
3048 wrqu.data.flags = 0;
3049 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3052 static int airo_thread(void *data) {
3053 struct net_device *dev = data;
3054 struct airo_info *ai = dev->ml_priv;
3059 /* make swsusp happy with our thread */
3062 if (test_bit(JOB_DIE, &ai->jobs))
3066 locked = down_interruptible(&ai->sem);
3070 init_waitqueue_entry(&wait, current);
3071 add_wait_queue(&ai->thr_wait, &wait);
3073 set_current_state(TASK_INTERRUPTIBLE);
3076 if (ai->expires || ai->scan_timeout) {
3077 if (ai->scan_timeout &&
3078 time_after_eq(jiffies,ai->scan_timeout)){
3079 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3081 } else if (ai->expires &&
3082 time_after_eq(jiffies,ai->expires)){
3083 set_bit(JOB_AUTOWEP, &ai->jobs);
3086 if (!kthread_should_stop() &&
3087 !freezing(current)) {
3088 unsigned long wake_at;
3089 if (!ai->expires || !ai->scan_timeout) {
3090 wake_at = max(ai->expires,
3093 wake_at = min(ai->expires,
3096 schedule_timeout(wake_at - jiffies);
3099 } else if (!kthread_should_stop() &&
3100 !freezing(current)) {
3106 current->state = TASK_RUNNING;
3107 remove_wait_queue(&ai->thr_wait, &wait);
3114 if (test_bit(JOB_DIE, &ai->jobs)) {
3119 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3124 if (test_bit(JOB_XMIT, &ai->jobs))
3126 else if (test_bit(JOB_XMIT11, &ai->jobs))
3127 airo_end_xmit11(dev);
3128 else if (test_bit(JOB_STATS, &ai->jobs))
3129 airo_read_stats(dev);
3130 else if (test_bit(JOB_WSTATS, &ai->jobs))
3131 airo_read_wireless_stats(ai);
3132 else if (test_bit(JOB_PROMISC, &ai->jobs))
3133 airo_set_promisc(ai);
3134 else if (test_bit(JOB_MIC, &ai->jobs))
3136 else if (test_bit(JOB_EVENT, &ai->jobs))
3137 airo_send_event(dev);
3138 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3140 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3141 airo_process_scan_results(ai);
3142 else /* Shouldn't get here, but we make sure to unlock */
3149 static int header_len(__le16 ctl)
3151 u16 fc = le16_to_cpu(ctl);
3154 if ((fc & 0xe0) == 0xc0)
3155 return 10; /* one-address control packet */
3156 return 16; /* two-address control packet */
3158 if ((fc & 0x300) == 0x300)
3159 return 30; /* WDS packet */
3164 static void airo_handle_cisco_mic(struct airo_info *ai)
3166 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3167 set_bit(JOB_MIC, &ai->jobs);
3168 wake_up_interruptible(&ai->thr_wait);
3172 /* Airo Status codes */
3173 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3174 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3175 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3176 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3177 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3178 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3179 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3180 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3181 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3182 #define STAT_ASSOC 0x0400 /* Associated */
3183 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3185 static void airo_print_status(const char *devname, u16 status)
3187 u8 reason = status & 0xFF;
3191 airo_print_dbg(devname, "link lost (missed beacons)");
3193 case STAT_MAXRETRIES:
3195 airo_print_dbg(devname, "link lost (max retries)");
3197 case STAT_FORCELOSS:
3198 airo_print_dbg(devname, "link lost (local choice)");
3201 airo_print_dbg(devname, "link lost (TSF sync lost)");
3204 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3207 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3209 case STAT_ASSOC_FAIL:
3210 airo_print_dbg(devname, "association failed (reason: %d)",
3213 case STAT_AUTH_FAIL:
3214 airo_print_dbg(devname, "authentication failed (reason: %d)",
3222 static void airo_handle_link(struct airo_info *ai)
3224 union iwreq_data wrqu;
3225 int scan_forceloss = 0;
3228 /* Get new status and acknowledge the link change */
3229 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3230 OUT4500(ai, EVACK, EV_LINK);
3232 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3235 airo_print_status(ai->dev->name, status);
3237 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3240 if (ai->list_bss_task)
3241 wake_up_process(ai->list_bss_task);
3242 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3243 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3245 if (down_trylock(&ai->sem) != 0) {
3246 set_bit(JOB_EVENT, &ai->jobs);
3247 wake_up_interruptible(&ai->thr_wait);
3249 airo_send_event(ai->dev);
3250 } else if (!scan_forceloss) {
3251 if (auto_wep && !ai->expires) {
3252 ai->expires = RUN_AT(3*HZ);
3253 wake_up_interruptible(&ai->thr_wait);
3256 /* Send event to user space */
3257 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3258 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3259 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3263 static void airo_handle_rx(struct airo_info *ai)
3265 struct sk_buff *skb = NULL;
3266 __le16 fc, v, *buffer, tmpbuf[4];
3267 u16 len, hdrlen = 0, gap, fid;
3271 if (test_bit(FLAG_MPI, &ai->flags)) {
3272 if (test_bit(FLAG_802_11, &ai->flags))
3273 mpi_receive_802_11(ai);
3275 mpi_receive_802_3(ai);
3276 OUT4500(ai, EVACK, EV_RX);
3280 fid = IN4500(ai, RXFID);
3282 /* Get the packet length */
3283 if (test_bit(FLAG_802_11, &ai->flags)) {
3284 bap_setup (ai, fid, 4, BAP0);
3285 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3286 /* Bad CRC. Ignore packet */
3287 if (le16_to_cpu(hdr.status) & 2)
3289 if (ai->wifidev == NULL)
3292 bap_setup(ai, fid, 0x36, BAP0);
3293 bap_read(ai, &hdr.len, 2, BAP0);
3295 len = le16_to_cpu(hdr.len);
3297 if (len > AIRO_DEF_MTU) {
3298 airo_print_err(ai->dev->name, "Bad size %d", len);
3304 if (test_bit(FLAG_802_11, &ai->flags)) {
3305 bap_read(ai, &fc, sizeof (fc), BAP0);
3306 hdrlen = header_len(fc);
3308 hdrlen = ETH_ALEN * 2;
3310 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3312 ai->dev->stats.rx_dropped++;
3316 skb_reserve(skb, 2); /* This way the IP header is aligned */
3317 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3318 if (test_bit(FLAG_802_11, &ai->flags)) {
3320 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3322 bap_read(ai, tmpbuf, 6, BAP0);
3324 bap_read(ai, &v, sizeof(v), BAP0);
3325 gap = le16_to_cpu(v);
3328 bap_read(ai, tmpbuf, gap, BAP0);
3330 airo_print_err(ai->dev->name, "gaplen too "
3331 "big. Problems will follow...");
3334 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3338 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3339 if (ai->micstats.enabled) {
3340 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3341 if (ntohs(micbuf.typelen) > 0x05DC)
3342 bap_setup(ai, fid, 0x44, BAP0);
3344 if (len <= sizeof (micbuf)) {
3345 dev_kfree_skb_irq(skb);
3349 len -= sizeof(micbuf);
3350 skb_trim(skb, len + hdrlen);
3354 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3355 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3356 dev_kfree_skb_irq (skb);
3362 if (success && (ai->spy_data.spy_number > 0)) {
3364 struct iw_quality wstats;
3366 /* Prepare spy data : addr + qual */
3367 if (!test_bit(FLAG_802_11, &ai->flags)) {
3368 sa = (char *) buffer + 6;
3369 bap_setup(ai, fid, 8, BAP0);
3370 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3372 sa = (char *) buffer + 10;
3373 wstats.qual = hdr.rssi[0];
3375 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3377 wstats.level = (hdr.rssi[1] + 321) / 2;
3378 wstats.noise = ai->wstats.qual.noise;
3379 wstats.updated = IW_QUAL_LEVEL_UPDATED
3380 | IW_QUAL_QUAL_UPDATED
3382 /* Update spy records */
3383 wireless_spy_update(ai->dev, sa, &wstats);
3385 #endif /* WIRELESS_SPY */
3388 OUT4500(ai, EVACK, EV_RX);
3391 if (test_bit(FLAG_802_11, &ai->flags)) {
3392 skb_reset_mac_header(skb);
3393 skb->pkt_type = PACKET_OTHERHOST;
3394 skb->dev = ai->wifidev;
3395 skb->protocol = htons(ETH_P_802_2);
3397 skb->protocol = eth_type_trans(skb, ai->dev);
3398 skb->ip_summed = CHECKSUM_NONE;
3404 static void airo_handle_tx(struct airo_info *ai, u16 status)
3406 int i, len = 0, index = -1;
3409 if (test_bit(FLAG_MPI, &ai->flags)) {
3410 unsigned long flags;
3412 if (status & EV_TXEXC)
3413 get_tx_error(ai, -1);
3415 spin_lock_irqsave(&ai->aux_lock, flags);
3416 if (!skb_queue_empty(&ai->txq)) {
3417 spin_unlock_irqrestore(&ai->aux_lock,flags);
3418 mpi_send_packet(ai->dev);
3420 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3421 spin_unlock_irqrestore(&ai->aux_lock,flags);
3422 netif_wake_queue(ai->dev);
3424 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3428 fid = IN4500(ai, TXCOMPLFID);
3430 for(i = 0; i < MAX_FIDS; i++) {
3431 if ((ai->fids[i] & 0xffff) == fid) {
3432 len = ai->fids[i] >> 16;
3438 if (status & EV_TXEXC)
3439 get_tx_error(ai, index);
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3443 /* Set up to be used again */
3444 ai->fids[index] &= 0xffff;
3445 if (index < MAX_FIDS / 2) {
3446 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3447 netif_wake_queue(ai->dev);
3449 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3450 netif_wake_queue(ai->wifidev);
3453 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3454 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3458 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3460 struct net_device *dev = dev_id;
3461 u16 status, savedInterrupts = 0;
3462 struct airo_info *ai = dev->ml_priv;
3465 if (!netif_device_present(dev))
3469 status = IN4500(ai, EVSTAT);
3470 if (!(status & STATUS_INTS) || (status == 0xffff))
3475 if (status & EV_AWAKE) {
3476 OUT4500(ai, EVACK, EV_AWAKE);
3477 OUT4500(ai, EVACK, EV_AWAKE);
3480 if (!savedInterrupts) {
3481 savedInterrupts = IN4500(ai, EVINTEN);
3482 OUT4500(ai, EVINTEN, 0);
3485 if (status & EV_MIC) {
3486 OUT4500(ai, EVACK, EV_MIC);
3487 airo_handle_cisco_mic(ai);
3490 if (status & EV_LINK) {
3491 /* Link status changed */
3492 airo_handle_link(ai);
3495 /* Check to see if there is something to receive */
3499 /* Check to see if a packet has been transmitted */
3500 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3501 airo_handle_tx(ai, status);
3503 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3504 airo_print_warn(ai->dev->name, "Got weird status %x",
3505 status & ~STATUS_INTS & ~IGNORE_INTS );
3509 if (savedInterrupts)
3510 OUT4500(ai, EVINTEN, savedInterrupts);
3512 return IRQ_RETVAL(handled);
3516 * Routines to talk to the card
3520 * This was originally written for the 4500, hence the name
3521 * NOTE: If use with 8bit mode and SMP bad things will happen!
3522 * Why would some one do 8 bit IO in an SMP machine?!?
3524 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3525 if (test_bit(FLAG_MPI,&ai->flags))
3528 outw( val, ai->dev->base_addr + reg );
3530 outb( val & 0xff, ai->dev->base_addr + reg );
3531 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3535 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3538 if (test_bit(FLAG_MPI,&ai->flags))
3541 rc = inw( ai->dev->base_addr + reg );
3543 rc = inb( ai->dev->base_addr + reg );
3544 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3549 static int enable_MAC(struct airo_info *ai, int lock)
3555 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3556 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3557 * Note : we could try to use !netif_running(dev) in enable_MAC()
3558 * instead of this flag, but I don't trust it *within* the
3559 * open/close functions, and testing both flags together is
3560 * "cheaper" - Jean II */
3561 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3563 if (lock && down_interruptible(&ai->sem))
3564 return -ERESTARTSYS;
3566 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3567 memset(&cmd, 0, sizeof(cmd));
3568 cmd.cmd = MAC_ENABLE;
3569 rc = issuecommand(ai, &cmd, &rsp);
3571 set_bit(FLAG_ENABLED, &ai->flags);
3579 airo_print_err(ai->dev->name, "Cannot enable MAC");
3580 else if ((rsp.status & 0xFF00) != 0) {
3581 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3582 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3588 static void disable_MAC( struct airo_info *ai, int lock ) {
3592 if (lock && down_interruptible(&ai->sem))
3595 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3596 memset(&cmd, 0, sizeof(cmd));
3597 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3598 issuecommand(ai, &cmd, &rsp);
3599 clear_bit(FLAG_ENABLED, &ai->flags);
3605 static void enable_interrupts( struct airo_info *ai ) {
3606 /* Enable the interrupts */
3607 OUT4500( ai, EVINTEN, STATUS_INTS );
3610 static void disable_interrupts( struct airo_info *ai ) {
3611 OUT4500( ai, EVINTEN, 0 );
3614 static void mpi_receive_802_3(struct airo_info *ai)
3618 struct sk_buff *skb;
3623 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3624 /* Make sure we got something */
3625 if (rxd.rdy && rxd.valid == 0) {
3627 if (len < 12 || len > 2048)
3630 skb = dev_alloc_skb(len);
3632 ai->dev->stats.rx_dropped++;
3635 buffer = skb_put(skb,len);
3636 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3637 if (ai->micstats.enabled) {
3639 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3641 if (ntohs(micbuf.typelen) <= 0x05DC) {
3642 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3645 off = sizeof(micbuf);
3646 skb_trim (skb, len - off);
3649 memcpy(buffer + ETH_ALEN * 2,
3650 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3651 len - ETH_ALEN * 2 - off);
3652 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3654 dev_kfree_skb_irq (skb);
3658 if (ai->spy_data.spy_number > 0) {
3660 struct iw_quality wstats;
3661 /* Prepare spy data : addr + qual */
3662 sa = buffer + ETH_ALEN;
3663 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3666 /* Update spy records */
3667 wireless_spy_update(ai->dev, sa, &wstats);
3669 #endif /* WIRELESS_SPY */
3671 skb->ip_summed = CHECKSUM_NONE;
3672 skb->protocol = eth_type_trans(skb, ai->dev);
3676 if (rxd.valid == 0) {
3680 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3684 static void mpi_receive_802_11(struct airo_info *ai)
3687 struct sk_buff *skb = NULL;
3688 u16 len, hdrlen = 0;
3693 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3695 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3696 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3698 /* Bad CRC. Ignore packet */
3699 if (le16_to_cpu(hdr.status) & 2)
3701 if (ai->wifidev == NULL)
3703 len = le16_to_cpu(hdr.len);
3704 if (len > AIRO_DEF_MTU) {
3705 airo_print_err(ai->dev->name, "Bad size %d", len);
3711 fc = get_unaligned((__le16 *)ptr);
3712 hdrlen = header_len(fc);
3714 skb = dev_alloc_skb( len + hdrlen + 2 );
3716 ai->dev->stats.rx_dropped++;
3719 buffer = (u16*)skb_put (skb, len + hdrlen);
3720 memcpy ((char *)buffer, ptr, hdrlen);
3724 gap = get_unaligned_le16(ptr);
3725 ptr += sizeof(__le16);
3730 airo_print_err(ai->dev->name,
3731 "gaplen too big. Problems will follow...");
3733 memcpy ((char *)buffer + hdrlen, ptr, len);
3735 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3736 if (ai->spy_data.spy_number > 0) {
3738 struct iw_quality wstats;
3739 /* Prepare spy data : addr + qual */
3740 sa = (char*)buffer + 10;
3741 wstats.qual = hdr.rssi[0];
3743 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3745 wstats.level = (hdr.rssi[1] + 321) / 2;
3746 wstats.noise = ai->wstats.qual.noise;
3747 wstats.updated = IW_QUAL_QUAL_UPDATED
3748 | IW_QUAL_LEVEL_UPDATED
3750 /* Update spy records */
3751 wireless_spy_update(ai->dev, sa, &wstats);
3753 #endif /* IW_WIRELESS_SPY */
3754 skb_reset_mac_header(skb);
3755 skb->pkt_type = PACKET_OTHERHOST;
3756 skb->dev = ai->wifidev;
3757 skb->protocol = htons(ETH_P_802_2);
3758 skb->ip_summed = CHECKSUM_NONE;
3762 if (rxd.valid == 0) {
3766 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3770 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3780 memset( &mySsid, 0, sizeof( mySsid ) );
3784 /* The NOP is the first step in getting the card going */
3786 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3787 if (lock && down_interruptible(&ai->sem))
3789 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3794 disable_MAC( ai, 0);
3796 // Let's figure out if we need to use the AUX port
3797 if (!test_bit(FLAG_MPI,&ai->flags)) {
3798 cmd.cmd = CMD_ENABLEAUX;
3799 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3802 airo_print_err(ai->dev->name, "Error checking for AUX port");
3805 if (!aux_bap || rsp.status & 0xff00) {
3806 ai->bap_read = fast_bap_read;
3807 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3809 ai->bap_read = aux_bap_read;
3810 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3815 if (ai->config.len == 0) {
3817 tdsRssiRid rssi_rid;
3818 CapabilityRid cap_rid;
3824 // general configuration (read/modify/write)
3825 status = readConfigRid(ai, lock);
3826 if ( status != SUCCESS ) return ERROR;
3828 status = readCapabilityRid(ai, &cap_rid, lock);
3829 if ( status != SUCCESS ) return ERROR;
3831 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3832 if ( status == SUCCESS ) {
3833 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3834 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3839 if (cap_rid.softCap & cpu_to_le16(8))
3840 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3842 airo_print_warn(ai->dev->name, "unknown received signal "
3845 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3846 ai->config.authType = AUTH_OPEN;
3847 ai->config.modulation = MOD_CCK;
3849 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3850 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3851 micsetup(ai) == SUCCESS) {
3852 ai->config.opmode |= MODE_MIC;
3853 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3856 /* Save off the MAC */
3857 for( i = 0; i < ETH_ALEN; i++ ) {
3858 mac[i] = ai->config.macAddr[i];
3861 /* Check to see if there are any insmod configured
3864 memset(ai->config.rates,0,sizeof(ai->config.rates));
3865 for( i = 0; i < 8 && rates[i]; i++ ) {
3866 ai->config.rates[i] = rates[i];
3869 if ( basic_rate > 0 ) {
3870 for( i = 0; i < 8; i++ ) {
3871 if ( ai->config.rates[i] == basic_rate ||
3872 !ai->config.rates ) {
3873 ai->config.rates[i] = basic_rate | 0x80;
3878 set_bit (FLAG_COMMIT, &ai->flags);
3881 /* Setup the SSIDs if present */
3884 for( i = 0; i < 3 && ssids[i]; i++ ) {
3885 size_t len = strlen(ssids[i]);
3888 mySsid.ssids[i].len = cpu_to_le16(len);
3889 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3891 mySsid.len = cpu_to_le16(sizeof(mySsid));
3894 status = writeConfigRid(ai, lock);
3895 if ( status != SUCCESS ) return ERROR;
3897 /* Set up the SSID list */
3899 status = writeSsidRid(ai, &mySsid, lock);
3900 if ( status != SUCCESS ) return ERROR;
3903 status = enable_MAC(ai, lock);
3904 if (status != SUCCESS)
3907 /* Grab the initial wep key, we gotta save it for auto_wep */
3908 rc = readWepKeyRid(ai, &wkr, 1, lock);
3909 if (rc == SUCCESS) do {
3910 lastindex = wkr.kindex;
3911 if (wkr.kindex == cpu_to_le16(0xffff)) {
3912 ai->defindex = wkr.mac[0];
3914 rc = readWepKeyRid(ai, &wkr, 0, lock);
3915 } while(lastindex != wkr.kindex);
3922 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3923 // Im really paranoid about letting it run forever!
3924 int max_tries = 600000;
3926 if (IN4500(ai, EVSTAT) & EV_CMD)
3927 OUT4500(ai, EVACK, EV_CMD);
3929 OUT4500(ai, PARAM0, pCmd->parm0);
3930 OUT4500(ai, PARAM1, pCmd->parm1);
3931 OUT4500(ai, PARAM2, pCmd->parm2);
3932 OUT4500(ai, COMMAND, pCmd->cmd);
3934 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3935 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3936 // PC4500 didn't notice command, try again
3937 OUT4500(ai, COMMAND, pCmd->cmd);
3938 if (!in_atomic() && (max_tries & 255) == 0)
3942 if ( max_tries == -1 ) {
3943 airo_print_err(ai->dev->name,
3944 "Max tries exceeded when issueing command");
3945 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3946 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3950 // command completed
3951 pRsp->status = IN4500(ai, STATUS);
3952 pRsp->rsp0 = IN4500(ai, RESP0);
3953 pRsp->rsp1 = IN4500(ai, RESP1);
3954 pRsp->rsp2 = IN4500(ai, RESP2);
3955 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3956 airo_print_err(ai->dev->name,
3957 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3958 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3961 // clear stuck command busy if necessary
3962 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 // acknowledge processing the status/response
3966 OUT4500(ai, EVACK, EV_CMD);
3971 /* Sets up the bap to start exchange data. whichbap should
3972 * be one of the BAP0 or BAP1 defines. Locks should be held before
3974 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3979 OUT4500(ai, SELECT0+whichbap, rid);
3980 OUT4500(ai, OFFSET0+whichbap, offset);
3982 int status = IN4500(ai, OFFSET0+whichbap);
3983 if (status & BAP_BUSY) {
3984 /* This isn't really a timeout, but its kinda
3989 } else if ( status & BAP_ERR ) {
3990 /* invalid rid or offset */
3991 airo_print_err(ai->dev->name, "BAP error %x %d",
3994 } else if (status & BAP_DONE) { // success
3997 if ( !(max_tries--) ) {
3998 airo_print_err(ai->dev->name,
3999 "BAP setup error too many retries\n");
4002 // -- PC4500 missed it, try again
4003 OUT4500(ai, SELECT0+whichbap, rid);
4004 OUT4500(ai, OFFSET0+whichbap, offset);
4009 /* should only be called by aux_bap_read. This aux function and the
4010 following use concepts not documented in the developers guide. I
4011 got them from a patch given to my by Aironet */
4012 static u16 aux_setup(struct airo_info *ai, u16 page,
4013 u16 offset, u16 *len)
4017 OUT4500(ai, AUXPAGE, page);
4018 OUT4500(ai, AUXOFF, 0);
4019 next = IN4500(ai, AUXDATA);
4020 *len = IN4500(ai, AUXDATA)&0xff;
4021 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4025 /* requires call to bap_setup() first */
4026 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4027 int bytelen, int whichbap)
4035 unsigned long flags;
4037 spin_lock_irqsave(&ai->aux_lock, flags);
4038 page = IN4500(ai, SWS0+whichbap);
4039 offset = IN4500(ai, SWS2+whichbap);
4040 next = aux_setup(ai, page, offset, &len);
4041 words = (bytelen+1)>>1;
4043 for (i=0; i<words;) {
4045 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4047 insw( ai->dev->base_addr+DATA0+whichbap,
4050 insb( ai->dev->base_addr+DATA0+whichbap,
4051 pu16Dst+i, count << 1 );
4054 next = aux_setup(ai, next, 4, &len);
4057 spin_unlock_irqrestore(&ai->aux_lock, flags);
4062 /* requires call to bap_setup() first */
4063 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4064 int bytelen, int whichbap)
4066 bytelen = (bytelen + 1) & (~1); // round up to even value
4068 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4070 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4074 /* requires call to bap_setup() first */
4075 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4076 int bytelen, int whichbap)
4078 bytelen = (bytelen + 1) & (~1); // round up to even value
4080 outsw( ai->dev->base_addr+DATA0+whichbap,
4081 pu16Src, bytelen>>1 );
4083 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4087 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4089 Cmd cmd; /* for issuing commands */
4090 Resp rsp; /* response from commands */
4093 memset(&cmd, 0, sizeof(cmd));
4096 status = issuecommand(ai, &cmd, &rsp);
4097 if (status != 0) return status;
4098 if ( (rsp.status & 0x7F00) != 0) {
4099 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4104 /* Note, that we are using BAP1 which is also used by transmit, so
4105 * we must get a lock. */
4106 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4112 if (down_interruptible(&ai->sem))
4115 if (test_bit(FLAG_MPI,&ai->flags)) {
4119 memset(&cmd, 0, sizeof(cmd));
4120 memset(&rsp, 0, sizeof(rsp));
4121 ai->config_desc.rid_desc.valid = 1;
4122 ai->config_desc.rid_desc.len = RIDSIZE;
4123 ai->config_desc.rid_desc.rid = 0;
4124 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4126 cmd.cmd = CMD_ACCESS;
4129 memcpy_toio(ai->config_desc.card_ram_off,
4130 &ai->config_desc.rid_desc, sizeof(Rid));
4132 rc = issuecommand(ai, &cmd, &rsp);
4134 if (rsp.status & 0x7f00)
4137 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4140 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4144 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4148 // read the rid length field
4149 bap_read(ai, pBuf, 2, BAP1);
4150 // length for remaining part of rid
4151 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4154 airo_print_err(ai->dev->name,
4155 "Rid %x has a length of %d which is too short",
4156 (int)rid, (int)len );
4160 // read remainder of the rid
4161 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4169 /* Note, that we are using BAP1 which is also used by transmit, so
4170 * make sure this isnt called when a transmit is happening */
4171 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4172 const void *pBuf, int len, int lock)
4177 *(__le16*)pBuf = cpu_to_le16((u16)len);
4180 if (down_interruptible(&ai->sem))
4183 if (test_bit(FLAG_MPI,&ai->flags)) {
4187 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4188 airo_print_err(ai->dev->name,
4189 "%s: MAC should be disabled (rid=%04x)",
4191 memset(&cmd, 0, sizeof(cmd));
4192 memset(&rsp, 0, sizeof(rsp));
4194 ai->config_desc.rid_desc.valid = 1;
4195 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4196 ai->config_desc.rid_desc.rid = 0;
4198 cmd.cmd = CMD_WRITERID;
4201 memcpy_toio(ai->config_desc.card_ram_off,
4202 &ai->config_desc.rid_desc, sizeof(Rid));
4204 if (len < 4 || len > 2047) {
4205 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4208 memcpy((char *)ai->config_desc.virtual_host_addr,
4211 rc = issuecommand(ai, &cmd, &rsp);
4212 if ((rc & 0xff00) != 0) {
4213 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4215 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4219 if ((rsp.status & 0x7f00))
4223 // --- first access so that we can write the rid data
4224 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4228 // --- now write the rid data
4229 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4233 bap_write(ai, pBuf, len, BAP1);
4234 // ---now commit the rid data
4235 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4243 /* Allocates a FID to be used for transmitting packets. We only use
4245 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4247 unsigned int loop = 3000;
4253 cmd.cmd = CMD_ALLOCATETX;
4254 cmd.parm0 = lenPayload;
4255 if (down_interruptible(&ai->sem))
4257 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4261 if ( (rsp.status & 0xFF00) != 0) {
4265 /* wait for the allocate event/indication
4266 * It makes me kind of nervous that this can just sit here and spin,
4267 * but in practice it only loops like four times. */
4268 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4274 // get the allocated fid and acknowledge
4275 txFid = IN4500(ai, TXALLOCFID);
4276 OUT4500(ai, EVACK, EV_ALLOC);
4278 /* The CARD is pretty cool since it converts the ethernet packet
4279 * into 802.11. Also note that we don't release the FID since we
4280 * will be using the same one over and over again. */
4281 /* We only have to setup the control once since we are not
4282 * releasing the fid. */
4284 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4285 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4287 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4288 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4289 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4292 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4300 /* In general BAP1 is dedicated to transmiting packets. However,
4301 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4302 Make sure the BAP1 spinlock is held when this is called. */
4303 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4314 if (len <= ETH_ALEN * 2) {
4315 airo_print_warn(ai->dev->name, "Short packet %d", len);
4318 len -= ETH_ALEN * 2;
4320 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4321 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4322 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4324 miclen = sizeof(pMic);
4326 // packet is destination[6], source[6], payload[len-12]
4327 // write the payload length and dst/src/payload
4328 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4329 /* The hardware addresses aren't counted as part of the payload, so
4330 * we have to subtract the 12 bytes for the addresses off */
4331 payloadLen = cpu_to_le16(len + miclen);
4332 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4333 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4335 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4336 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4337 // issue the transmit command
4338 memset( &cmd, 0, sizeof( cmd ) );
4339 cmd.cmd = CMD_TRANSMIT;
4341 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4342 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4346 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4348 __le16 fc, payloadLen;
4352 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4353 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4357 fc = *(__le16*)pPacket;
4358 hdrlen = header_len(fc);
4361 airo_print_warn(ai->dev->name, "Short packet %d", len);
4365 /* packet is 802.11 header + payload
4366 * write the payload length and dst/src/payload */
4367 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4368 /* The 802.11 header aren't counted as part of the payload, so
4369 * we have to subtract the header bytes off */
4370 payloadLen = cpu_to_le16(len-hdrlen);
4371 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4372 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4373 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4374 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4376 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4377 // issue the transmit command
4378 memset( &cmd, 0, sizeof( cmd ) );
4379 cmd.cmd = CMD_TRANSMIT;
4381 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4382 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4387 * This is the proc_fs routines. It is a bit messier than I would
4388 * like! Feel free to clean it up!
4391 static ssize_t proc_read( struct file *file,
4392 char __user *buffer,
4396 static ssize_t proc_write( struct file *file,
4397 const char __user *buffer,
4400 static int proc_close( struct inode *inode, struct file *file );
4402 static int proc_stats_open( struct inode *inode, struct file *file );
4403 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4404 static int proc_status_open( struct inode *inode, struct file *file );
4405 static int proc_SSID_open( struct inode *inode, struct file *file );
4406 static int proc_APList_open( struct inode *inode, struct file *file );
4407 static int proc_BSSList_open( struct inode *inode, struct file *file );
4408 static int proc_config_open( struct inode *inode, struct file *file );
4409 static int proc_wepkey_open( struct inode *inode, struct file *file );
4411 static const struct file_operations proc_statsdelta_ops = {
4412 .owner = THIS_MODULE,
4414 .open = proc_statsdelta_open,
4415 .release = proc_close
4418 static const struct file_operations proc_stats_ops = {
4419 .owner = THIS_MODULE,
4421 .open = proc_stats_open,
4422 .release = proc_close
4425 static const struct file_operations proc_status_ops = {
4426 .owner = THIS_MODULE,
4428 .open = proc_status_open,
4429 .release = proc_close
4432 static const struct file_operations proc_SSID_ops = {
4433 .owner = THIS_MODULE,
4435 .write = proc_write,
4436 .open = proc_SSID_open,
4437 .release = proc_close
4440 static const struct file_operations proc_BSSList_ops = {
4441 .owner = THIS_MODULE,
4443 .write = proc_write,
4444 .open = proc_BSSList_open,
4445 .release = proc_close
4448 static const struct file_operations proc_APList_ops = {
4449 .owner = THIS_MODULE,
4451 .write = proc_write,
4452 .open = proc_APList_open,
4453 .release = proc_close
4456 static const struct file_operations proc_config_ops = {
4457 .owner = THIS_MODULE,
4459 .write = proc_write,
4460 .open = proc_config_open,
4461 .release = proc_close
4464 static const struct file_operations proc_wepkey_ops = {
4465 .owner = THIS_MODULE,
4467 .write = proc_write,
4468 .open = proc_wepkey_open,
4469 .release = proc_close
4472 static struct proc_dir_entry *airo_entry;
4481 void (*on_close) (struct inode *, struct file *);
4484 static int setup_proc_entry( struct net_device *dev,
4485 struct airo_info *apriv ) {
4486 struct proc_dir_entry *entry;
4487 /* First setup the device directory */
4488 strcpy(apriv->proc_name,dev->name);
4489 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4492 if (!apriv->proc_entry)
4494 apriv->proc_entry->uid = proc_uid;
4495 apriv->proc_entry->gid = proc_gid;
4497 /* Setup the StatsDelta */
4498 entry = proc_create_data("StatsDelta",
4499 S_IFREG | (S_IRUGO&proc_perm),
4500 apriv->proc_entry, &proc_statsdelta_ops, dev);
4502 goto fail_stats_delta;
4503 entry->uid = proc_uid;
4504 entry->gid = proc_gid;
4506 /* Setup the Stats */
4507 entry = proc_create_data("Stats",
4508 S_IFREG | (S_IRUGO&proc_perm),
4509 apriv->proc_entry, &proc_stats_ops, dev);
4512 entry->uid = proc_uid;
4513 entry->gid = proc_gid;
4515 /* Setup the Status */
4516 entry = proc_create_data("Status",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry, &proc_status_ops, dev);
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
4524 /* Setup the Config */
4525 entry = proc_create_data("Config",
4526 S_IFREG | proc_perm,
4527 apriv->proc_entry, &proc_config_ops, dev);
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
4533 /* Setup the SSID */
4534 entry = proc_create_data("SSID",
4535 S_IFREG | proc_perm,
4536 apriv->proc_entry, &proc_SSID_ops, dev);
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
4542 /* Setup the APList */
4543 entry = proc_create_data("APList",
4544 S_IFREG | proc_perm,
4545 apriv->proc_entry, &proc_APList_ops, dev);
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
4551 /* Setup the BSSList */
4552 entry = proc_create_data("BSSList",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry, &proc_BSSList_ops, dev);
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4560 /* Setup the WepKey */
4561 entry = proc_create_data("WepKey",
4562 S_IFREG | proc_perm,
4563 apriv->proc_entry, &proc_wepkey_ops, dev);
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4572 remove_proc_entry("BSSList", apriv->proc_entry);
4574 remove_proc_entry("APList", apriv->proc_entry);
4576 remove_proc_entry("SSID", apriv->proc_entry);
4578 remove_proc_entry("Config", apriv->proc_entry);
4580 remove_proc_entry("Status", apriv->proc_entry);
4582 remove_proc_entry("Stats", apriv->proc_entry);
4584 remove_proc_entry("StatsDelta", apriv->proc_entry);
4586 remove_proc_entry(apriv->proc_name, airo_entry);
4591 static int takedown_proc_entry( struct net_device *dev,
4592 struct airo_info *apriv ) {
4593 if ( !apriv->proc_entry->namelen ) return 0;
4594 remove_proc_entry("Stats",apriv->proc_entry);
4595 remove_proc_entry("StatsDelta",apriv->proc_entry);
4596 remove_proc_entry("Status",apriv->proc_entry);
4597 remove_proc_entry("Config",apriv->proc_entry);
4598 remove_proc_entry("SSID",apriv->proc_entry);
4599 remove_proc_entry("APList",apriv->proc_entry);
4600 remove_proc_entry("BSSList",apriv->proc_entry);
4601 remove_proc_entry("WepKey",apriv->proc_entry);
4602 remove_proc_entry(apriv->proc_name,airo_entry);
4607 * What we want from the proc_fs is to be able to efficiently read
4608 * and write the configuration. To do this, we want to read the
4609 * configuration when the file is opened and write it when the file is
4610 * closed. So basically we allocate a read buffer at open and fill it
4611 * with data, and allocate a write buffer and read it at close.
4615 * The read routine is generic, it relies on the preallocated rbuffer
4616 * to supply the data.
4618 static ssize_t proc_read( struct file *file,
4619 char __user *buffer,
4623 struct proc_data *priv = file->private_data;
4628 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4633 * The write routine is generic, it fills in a preallocated rbuffer
4634 * to supply the data.
4636 static ssize_t proc_write( struct file *file,
4637 const char __user *buffer,
4641 loff_t pos = *offset;
4642 struct proc_data *priv = (struct proc_data*)file->private_data;
4649 if (pos >= priv->maxwritelen)
4651 if (len > priv->maxwritelen - pos)
4652 len = priv->maxwritelen - pos;
4653 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4655 if ( pos + len > priv->writelen )
4656 priv->writelen = len + file->f_pos;
4657 *offset = pos + len;
4661 static int proc_status_open(struct inode *inode, struct file *file)
4663 struct proc_data *data;
4664 struct proc_dir_entry *dp = PDE(inode);
4665 struct net_device *dev = dp->data;
4666 struct airo_info *apriv = dev->ml_priv;
4667 CapabilityRid cap_rid;
4668 StatusRid status_rid;
4672 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4674 data = (struct proc_data *)file->private_data;
4675 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4676 kfree (file->private_data);
4680 readStatusRid(apriv, &status_rid, 1);
4681 readCapabilityRid(apriv, &cap_rid, 1);
4683 mode = le16_to_cpu(status_rid.mode);
4685 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4686 mode & 1 ? "CFG ": "",
4687 mode & 2 ? "ACT ": "",
4688 mode & 0x10 ? "SYN ": "",
4689 mode & 0x20 ? "LNK ": "",
4690 mode & 0x40 ? "LEAP ": "",
4691 mode & 0x80 ? "PRIV ": "",
4692 mode & 0x100 ? "KEY ": "",
4693 mode & 0x200 ? "WEP ": "",
4694 mode & 0x8000 ? "ERR ": "");
4695 sprintf( data->rbuffer+i, "Mode: %x\n"
4696 "Signal Strength: %d\n"
4697 "Signal Quality: %d\n"
4702 "Driver Version: %s\n"
4703 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4704 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4705 "Software Version: %x\nSoftware Subversion: %x\n"
4706 "Boot block version: %x\n",
4707 le16_to_cpu(status_rid.mode),
4708 le16_to_cpu(status_rid.normalizedSignalStrength),
4709 le16_to_cpu(status_rid.signalQuality),
4710 le16_to_cpu(status_rid.SSIDlen),
4713 le16_to_cpu(status_rid.channel),
4714 le16_to_cpu(status_rid.currentXmitRate) / 2,
4719 le16_to_cpu(cap_rid.radioType),
4720 le16_to_cpu(cap_rid.country),
4721 le16_to_cpu(cap_rid.hardVer),
4722 le16_to_cpu(cap_rid.softVer),
4723 le16_to_cpu(cap_rid.softSubVer),
4724 le16_to_cpu(cap_rid.bootBlockVer));
4725 data->readlen = strlen( data->rbuffer );
4729 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4730 static int proc_statsdelta_open( struct inode *inode,
4731 struct file *file ) {
4732 if (file->f_mode&FMODE_WRITE) {
4733 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4735 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4738 static int proc_stats_open( struct inode *inode, struct file *file ) {
4739 return proc_stats_rid_open(inode, file, RID_STATS);
4742 static int proc_stats_rid_open( struct inode *inode,
4746 struct proc_data *data;
4747 struct proc_dir_entry *dp = PDE(inode);
4748 struct net_device *dev = dp->data;
4749 struct airo_info *apriv = dev->ml_priv;
4752 __le32 *vals = stats.vals;
4755 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4757 data = (struct proc_data *)file->private_data;
4758 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4759 kfree (file->private_data);
4763 readStatsRid(apriv, &stats, rid, 1);
4764 len = le16_to_cpu(stats.len);
4767 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4768 if (!statsLabels[i]) continue;
4769 if (j+strlen(statsLabels[i])+16>4096) {
4770 airo_print_warn(apriv->dev->name,
4771 "Potentially disasterous buffer overflow averted!");
4774 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4775 le32_to_cpu(vals[i]));
4778 airo_print_warn(apriv->dev->name, "Got a short rid");
4784 static int get_dec_u16( char *buffer, int *start, int limit ) {
4787 for( value = 0; buffer[*start] >= '0' &&
4788 buffer[*start] <= '9' &&
4789 *start < limit; (*start)++ ) {
4792 value += buffer[*start] - '0';
4794 if ( !valid ) return -1;
4798 static int airo_config_commit(struct net_device *dev,
4799 struct iw_request_info *info, void *zwrq,
4802 static inline int sniffing_mode(struct airo_info *ai)
4804 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4805 le16_to_cpu(RXMODE_RFMON);
4808 static void proc_config_on_close(struct inode *inode, struct file *file)
4810 struct proc_data *data = file->private_data;
4811 struct proc_dir_entry *dp = PDE(inode);
4812 struct net_device *dev = dp->data;
4813 struct airo_info *ai = dev->ml_priv;
4816 if ( !data->writelen ) return;
4818 readConfigRid(ai, 1);
4819 set_bit (FLAG_COMMIT, &ai->flags);
4821 line = data->wbuffer;
4823 /*** Mode processing */
4824 if ( !strncmp( line, "Mode: ", 6 ) ) {
4826 if (sniffing_mode(ai))
4827 set_bit (FLAG_RESET, &ai->flags);
4828 ai->config.rmode &= ~RXMODE_FULL_MASK;
4829 clear_bit (FLAG_802_11, &ai->flags);
4830 ai->config.opmode &= ~MODE_CFG_MASK;
4831 ai->config.scanMode = SCANMODE_ACTIVE;
4832 if ( line[0] == 'a' ) {
4833 ai->config.opmode |= MODE_STA_IBSS;
4835 ai->config.opmode |= MODE_STA_ESS;
4836 if ( line[0] == 'r' ) {
4837 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4838 ai->config.scanMode = SCANMODE_PASSIVE;
4839 set_bit (FLAG_802_11, &ai->flags);
4840 } else if ( line[0] == 'y' ) {
4841 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4842 ai->config.scanMode = SCANMODE_PASSIVE;
4843 set_bit (FLAG_802_11, &ai->flags);
4844 } else if ( line[0] == 'l' )
4845 ai->config.rmode |= RXMODE_LANMON;
4847 set_bit (FLAG_COMMIT, &ai->flags);
4850 /*** Radio status */
4851 else if (!strncmp(line,"Radio: ", 7)) {
4853 if (!strncmp(line,"off",3)) {
4854 set_bit (FLAG_RADIO_OFF, &ai->flags);
4856 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4859 /*** NodeName processing */
4860 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4864 memset( ai->config.nodeName, 0, 16 );
4865 /* Do the name, assume a space between the mode and node name */
4866 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4867 ai->config.nodeName[j] = line[j];
4869 set_bit (FLAG_COMMIT, &ai->flags);
4872 /*** PowerMode processing */
4873 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4875 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4876 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "PSP", 3 ) ) {
4879 ai->config.powerSaveMode = POWERSAVE_PSP;
4880 set_bit (FLAG_COMMIT, &ai->flags);
4882 ai->config.powerSaveMode = POWERSAVE_CAM;
4883 set_bit (FLAG_COMMIT, &ai->flags);
4885 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4886 int v, i = 0, k = 0; /* i is index into line,
4887 k is index to rates */
4890 while((v = get_dec_u16(line, &i, 3))!=-1) {
4891 ai->config.rates[k++] = (u8)v;
4895 set_bit (FLAG_COMMIT, &ai->flags);
4896 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4899 v = get_dec_u16(line, &i, i+3);
4901 ai->config.channelSet = cpu_to_le16(v);
4902 set_bit (FLAG_COMMIT, &ai->flags);
4904 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4907 v = get_dec_u16(line, &i, i+3);
4909 ai->config.txPower = cpu_to_le16(v);
4910 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4916 ai->config.authType = AUTH_SHAREDKEY;
4919 ai->config.authType = AUTH_ENCRYPT;
4922 ai->config.authType = AUTH_OPEN;
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4930 v = get_dec_u16(line, &i, 3);
4931 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4932 ai->config.longRetryLimit = cpu_to_le16(v);
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4938 v = get_dec_u16(line, &i, 3);
4939 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4940 ai->config.shortRetryLimit = cpu_to_le16(v);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4946 v = get_dec_u16(line, &i, 4);
4947 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4948 ai->config.rtsThres = cpu_to_le16(v);
4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4954 v = get_dec_u16(line, &i, 5);
4956 ai->config.txLifetime = cpu_to_le16(v);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4962 v = get_dec_u16(line, &i, 5);
4964 ai->config.rxLifetime = cpu_to_le16(v);
4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4967 ai->config.txDiversity =
4968 (line[13]=='l') ? 1 :
4969 ((line[13]=='r')? 2: 3);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4972 ai->config.rxDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4980 v = get_dec_u16(line, &i, 4);
4981 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4982 v = v & 0xfffe; /* Make sure its even */
4983 ai->config.fragThresh = cpu_to_le16(v);
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if (!strncmp(line, "Modulation: ", 12)) {
4988 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4993 } else if (!strncmp(line, "Preamble: ", 10)) {
4996 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5002 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5004 while( line[0] && line[0] != '\n' ) line++;
5005 if ( line[0] ) line++;
5007 airo_config_commit(dev, NULL, NULL, NULL);
5010 static char *get_rmode(__le16 mode)
5012 switch(mode & RXMODE_MASK) {
5013 case RXMODE_RFMON: return "rfmon";
5014 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5015 case RXMODE_LANMON: return "lanmon";
5020 static int proc_config_open(struct inode *inode, struct file *file)
5022 struct proc_data *data;
5023 struct proc_dir_entry *dp = PDE(inode);
5024 struct net_device *dev = dp->data;
5025 struct airo_info *ai = dev->ml_priv;
5029 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5031 data = (struct proc_data *)file->private_data;
5032 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5033 kfree (file->private_data);
5036 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5037 kfree (data->rbuffer);
5038 kfree (file->private_data);
5041 data->maxwritelen = 2048;
5042 data->on_close = proc_config_on_close;
5044 readConfigRid(ai, 1);
5046 mode = ai->config.opmode & MODE_CFG_MASK;
5047 i = sprintf( data->rbuffer,
5052 "DataRates: %d %d %d %d %d %d %d %d\n"
5055 mode == MODE_STA_IBSS ? "adhoc" :
5056 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5057 mode == MODE_AP ? "AP" :
5058 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5059 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5060 ai->config.nodeName,
5061 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5062 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5063 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5065 (int)ai->config.rates[0],
5066 (int)ai->config.rates[1],
5067 (int)ai->config.rates[2],
5068 (int)ai->config.rates[3],
5069 (int)ai->config.rates[4],
5070 (int)ai->config.rates[5],
5071 (int)ai->config.rates[6],
5072 (int)ai->config.rates[7],
5073 le16_to_cpu(ai->config.channelSet),
5074 le16_to_cpu(ai->config.txPower)
5076 sprintf( data->rbuffer + i,
5077 "LongRetryLimit: %d\n"
5078 "ShortRetryLimit: %d\n"
5079 "RTSThreshold: %d\n"
5080 "TXMSDULifetime: %d\n"
5081 "RXMSDULifetime: %d\n"
5084 "FragThreshold: %d\n"
5088 le16_to_cpu(ai->config.longRetryLimit),
5089 le16_to_cpu(ai->config.shortRetryLimit),
5090 le16_to_cpu(ai->config.rtsThres),
5091 le16_to_cpu(ai->config.txLifetime),
5092 le16_to_cpu(ai->config.rxLifetime),
5093 ai->config.txDiversity == 1 ? "left" :
5094 ai->config.txDiversity == 2 ? "right" : "both",
5095 ai->config.rxDiversity == 1 ? "left" :
5096 ai->config.rxDiversity == 2 ? "right" : "both",
5097 le16_to_cpu(ai->config.fragThresh),
5098 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5099 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5100 ai->config.modulation == MOD_DEFAULT ? "default" :
5101 ai->config.modulation == MOD_CCK ? "cck" :
5102 ai->config.modulation == MOD_MOK ? "mok" : "error",
5103 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5104 ai->config.preamble == PREAMBLE_LONG ? "long" :
5105 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5107 data->readlen = strlen( data->rbuffer );
5111 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5113 struct proc_data *data = (struct proc_data *)file->private_data;
5114 struct proc_dir_entry *dp = PDE(inode);
5115 struct net_device *dev = dp->data;
5116 struct airo_info *ai = dev->ml_priv;
5119 char *p = data->wbuffer;
5120 char *end = p + data->writelen;
5122 if (!data->writelen)
5125 *end = '\n'; /* sentinel; we have space for it */
5127 memset(&SSID_rid, 0, sizeof(SSID_rid));
5129 for (i = 0; i < 3 && p < end; i++) {
5131 /* copy up to 32 characters from this line */
5132 while (*p != '\n' && j < 32)
5133 SSID_rid.ssids[i].ssid[j++] = *p++;
5136 SSID_rid.ssids[i].len = cpu_to_le16(j);
5137 /* skip to the beginning of the next line */
5138 while (*p++ != '\n')
5142 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5144 writeSsidRid(ai, &SSID_rid, 1);
5148 static inline u8 hexVal(char c) {
5149 if (c>='0' && c<='9') return c -= '0';
5150 if (c>='a' && c<='f') return c -= 'a'-10;
5151 if (c>='A' && c<='F') return c -= 'A'-10;
5155 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5156 struct proc_data *data = (struct proc_data *)file->private_data;
5157 struct proc_dir_entry *dp = PDE(inode);
5158 struct net_device *dev = dp->data;
5159 struct airo_info *ai = dev->ml_priv;
5160 APListRid APList_rid;
5163 if ( !data->writelen ) return;
5165 memset( &APList_rid, 0, sizeof(APList_rid) );
5166 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5168 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5170 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5173 APList_rid.ap[i][j/3]=
5174 hexVal(data->wbuffer[j+i*6*3])<<4;
5177 APList_rid.ap[i][j/3]|=
5178 hexVal(data->wbuffer[j+i*6*3]);
5184 writeAPListRid(ai, &APList_rid, 1);
5188 /* This function wraps PC4500_writerid with a MAC disable */
5189 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5190 int len, int dummy ) {
5194 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5199 /* Returns the WEP key at the specified index, or -1 if that key does
5200 * not exist. The buffer is assumed to be at least 16 bytes in length.
5202 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5208 rc = readWepKeyRid(ai, &wkr, 1, 1);
5212 lastindex = wkr.kindex;
5213 if (le16_to_cpu(wkr.kindex) == index) {
5214 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5215 memcpy(buf, wkr.key, klen);
5218 rc = readWepKeyRid(ai, &wkr, 0, 1);
5221 } while (lastindex != wkr.kindex);
5225 static int get_wep_tx_idx(struct airo_info *ai)
5231 rc = readWepKeyRid(ai, &wkr, 1, 1);
5235 lastindex = wkr.kindex;
5236 if (wkr.kindex == cpu_to_le16(0xffff))
5238 rc = readWepKeyRid(ai, &wkr, 0, 1);
5241 } while (lastindex != wkr.kindex);
5245 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5246 u16 keylen, int perm, int lock)
5248 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5253 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5258 memset(&wkr, 0, sizeof(wkr));
5259 wkr.len = cpu_to_le16(sizeof(wkr));
5260 wkr.kindex = cpu_to_le16(index);
5261 wkr.klen = cpu_to_le16(keylen);
5262 memcpy(wkr.key, key, keylen);
5263 memcpy(wkr.mac, macaddr, ETH_ALEN);
5265 if (perm) disable_MAC(ai, lock);
5266 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5267 if (perm) enable_MAC(ai, lock);
5271 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5276 memset(&wkr, 0, sizeof(wkr));
5277 wkr.len = cpu_to_le16(sizeof(wkr));
5278 wkr.kindex = cpu_to_le16(0xffff);
5279 wkr.mac[0] = (char)index;
5282 ai->defindex = (char)index;
5283 disable_MAC(ai, lock);
5286 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5289 enable_MAC(ai, lock);
5293 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5294 struct proc_data *data;
5295 struct proc_dir_entry *dp = PDE(inode);
5296 struct net_device *dev = dp->data;
5297 struct airo_info *ai = dev->ml_priv;
5303 memset(key, 0, sizeof(key));
5305 data = (struct proc_data *)file->private_data;
5306 if ( !data->writelen ) return;
5308 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5309 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5310 index = data->wbuffer[0] - '0';
5311 if (data->wbuffer[1] == '\n') {
5312 rc = set_wep_tx_idx(ai, index, 1, 1);
5314 airo_print_err(ai->dev->name, "failed to set "
5315 "WEP transmit index to %d: %d.",
5322 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5326 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5329 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5332 key[i/3] |= hexVal(data->wbuffer[i+j]);
5337 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5339 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5340 "%d: %d.", index, rc);
5344 static int proc_wepkey_open( struct inode *inode, struct file *file )
5346 struct proc_data *data;
5347 struct proc_dir_entry *dp = PDE(inode);
5348 struct net_device *dev = dp->data;
5349 struct airo_info *ai = dev->ml_priv;
5356 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5358 memset(&wkr, 0, sizeof(wkr));
5359 data = (struct proc_data *)file->private_data;
5360 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5361 kfree (file->private_data);
5365 data->maxwritelen = 80;
5366 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5367 kfree (data->rbuffer);
5368 kfree (file->private_data);
5371 data->on_close = proc_wepkey_on_close;
5373 ptr = data->rbuffer;
5374 strcpy(ptr, "No wep keys\n");
5375 rc = readWepKeyRid(ai, &wkr, 1, 1);
5376 if (rc == SUCCESS) do {
5377 lastindex = wkr.kindex;
5378 if (wkr.kindex == cpu_to_le16(0xffff)) {
5379 j += sprintf(ptr+j, "Tx key = %d\n",
5382 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5383 le16_to_cpu(wkr.kindex),
5384 le16_to_cpu(wkr.klen));
5386 readWepKeyRid(ai, &wkr, 0, 1);
5387 } while((lastindex != wkr.kindex) && (j < 180-30));
5389 data->readlen = strlen( data->rbuffer );
5393 static int proc_SSID_open(struct inode *inode, struct file *file)
5395 struct proc_data *data;
5396 struct proc_dir_entry *dp = PDE(inode);
5397 struct net_device *dev = dp->data;
5398 struct airo_info *ai = dev->ml_priv;
5403 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5405 data = (struct proc_data *)file->private_data;
5406 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5407 kfree (file->private_data);
5411 data->maxwritelen = 33*3;
5412 /* allocate maxwritelen + 1; we'll want a sentinel */
5413 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5414 kfree (data->rbuffer);
5415 kfree (file->private_data);
5418 data->on_close = proc_SSID_on_close;
5420 readSsidRid(ai, &SSID_rid);
5421 ptr = data->rbuffer;
5422 for (i = 0; i < 3; i++) {
5424 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5429 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5430 *ptr++ = SSID_rid.ssids[i].ssid[j];
5434 data->readlen = strlen( data->rbuffer );
5438 static int proc_APList_open( struct inode *inode, struct file *file ) {
5439 struct proc_data *data;
5440 struct proc_dir_entry *dp = PDE(inode);
5441 struct net_device *dev = dp->data;
5442 struct airo_info *ai = dev->ml_priv;
5445 APListRid APList_rid;
5447 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5449 data = (struct proc_data *)file->private_data;
5450 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5451 kfree (file->private_data);
5455 data->maxwritelen = 4*6*3;
5456 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5457 kfree (data->rbuffer);
5458 kfree (file->private_data);
5461 data->on_close = proc_APList_on_close;
5463 readAPListRid(ai, &APList_rid);
5464 ptr = data->rbuffer;
5465 for( i = 0; i < 4; i++ ) {
5466 // We end when we find a zero MAC
5467 if ( !*(int*)APList_rid.ap[i] &&
5468 !*(int*)&APList_rid.ap[i][2]) break;
5469 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5471 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5474 data->readlen = strlen( data->rbuffer );
5478 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5479 struct proc_data *data;
5480 struct proc_dir_entry *dp = PDE(inode);
5481 struct net_device *dev = dp->data;
5482 struct airo_info *ai = dev->ml_priv;
5484 BSSListRid BSSList_rid;
5486 /* If doLoseSync is not 1, we won't do a Lose Sync */
5487 int doLoseSync = -1;
5489 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5491 data = (struct proc_data *)file->private_data;
5492 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5493 kfree (file->private_data);
5497 data->maxwritelen = 0;
5498 data->wbuffer = NULL;
5499 data->on_close = NULL;
5501 if (file->f_mode & FMODE_WRITE) {
5502 if (!(file->f_mode & FMODE_READ)) {
5506 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5507 memset(&cmd, 0, sizeof(cmd));
5508 cmd.cmd=CMD_LISTBSS;
5509 if (down_interruptible(&ai->sem))
5510 return -ERESTARTSYS;
5511 issuecommand(ai, &cmd, &rsp);
5518 ptr = data->rbuffer;
5519 /* There is a race condition here if there are concurrent opens.
5520 Since it is a rare condition, we'll just live with it, otherwise
5521 we have to add a spin lock... */
5522 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5523 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5524 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5526 (int)BSSList_rid.ssidLen,
5528 le16_to_cpu(BSSList_rid.dBm));
5529 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5530 le16_to_cpu(BSSList_rid.dsChannel),
5531 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5532 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5533 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5534 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5535 rc = readBSSListRid(ai, 0, &BSSList_rid);
5538 data->readlen = strlen( data->rbuffer );
5542 static int proc_close( struct inode *inode, struct file *file )
5544 struct proc_data *data = file->private_data;
5546 if (data->on_close != NULL)
5547 data->on_close(inode, file);
5548 kfree(data->rbuffer);
5549 kfree(data->wbuffer);
5554 /* Since the card doesn't automatically switch to the right WEP mode,
5555 we will make it do it. If the card isn't associated, every secs we
5556 will switch WEP modes to see if that will help. If the card is
5557 associated we will check every minute to see if anything has
5559 static void timer_func( struct net_device *dev ) {
5560 struct airo_info *apriv = dev->ml_priv;
5562 /* We don't have a link so try changing the authtype */
5563 readConfigRid(apriv, 0);
5564 disable_MAC(apriv, 0);
5565 switch(apriv->config.authType) {
5567 /* So drop to OPEN */
5568 apriv->config.authType = AUTH_OPEN;
5570 case AUTH_SHAREDKEY:
5571 if (apriv->keyindex < auto_wep) {
5572 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5573 apriv->config.authType = AUTH_SHAREDKEY;
5576 /* Drop to ENCRYPT */
5577 apriv->keyindex = 0;
5578 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5579 apriv->config.authType = AUTH_ENCRYPT;
5582 default: /* We'll escalate to SHAREDKEY */
5583 apriv->config.authType = AUTH_SHAREDKEY;
5585 set_bit (FLAG_COMMIT, &apriv->flags);
5586 writeConfigRid(apriv, 0);
5587 enable_MAC(apriv, 0);
5590 /* Schedule check to see if the change worked */
5591 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5592 apriv->expires = RUN_AT(HZ*3);
5596 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5597 const struct pci_device_id *pent)
5599 struct net_device *dev;
5601 if (pci_enable_device(pdev))
5603 pci_set_master(pdev);
5605 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5606 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5608 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5610 pci_disable_device(pdev);
5614 pci_set_drvdata(pdev, dev);
5618 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5620 struct net_device *dev = pci_get_drvdata(pdev);
5622 airo_print_info(dev->name, "Unregistering...");
5623 stop_airo_card(dev, 1);
5624 pci_disable_device(pdev);
5625 pci_set_drvdata(pdev, NULL);
5628 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5630 struct net_device *dev = pci_get_drvdata(pdev);
5631 struct airo_info *ai = dev->ml_priv;
5636 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5640 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5643 readAPListRid(ai, ai->APList);
5644 readSsidRid(ai, ai->SSID);
5645 memset(&cmd, 0, sizeof(cmd));
5646 /* the lock will be released at the end of the resume callback */
5647 if (down_interruptible(&ai->sem))
5650 netif_device_detach(dev);
5652 cmd.cmd = HOSTSLEEP;
5653 issuecommand(ai, &cmd, &rsp);
5655 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5656 pci_save_state(pdev);
5657 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5660 static int airo_pci_resume(struct pci_dev *pdev)
5662 struct net_device *dev = pci_get_drvdata(pdev);
5663 struct airo_info *ai = dev->ml_priv;
5664 pci_power_t prev_state = pdev->current_state;
5666 pci_set_power_state(pdev, PCI_D0);
5667 pci_restore_state(pdev);
5668 pci_enable_wake(pdev, PCI_D0, 0);
5670 if (prev_state != PCI_D1) {
5672 mpi_init_descriptors(ai);
5673 setup_card(ai, dev->dev_addr, 0);
5674 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5675 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5677 OUT4500(ai, EVACK, EV_AWAKEN);
5678 OUT4500(ai, EVACK, EV_AWAKEN);
5682 set_bit(FLAG_COMMIT, &ai->flags);
5686 writeSsidRid(ai, ai->SSID, 0);
5691 writeAPListRid(ai, ai->APList, 0);
5695 writeConfigRid(ai, 0);
5697 ai->power = PMSG_ON;
5698 netif_device_attach(dev);
5699 netif_wake_queue(dev);
5700 enable_interrupts(ai);
5706 static int __init airo_init_module( void )
5710 airo_entry = create_proc_entry("driver/aironet",
5711 S_IFDIR | airo_perm,
5715 airo_entry->uid = proc_uid;
5716 airo_entry->gid = proc_gid;
5719 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5720 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5721 "io=0x%x", irq[i], io[i] );
5722 if (init_airo_card( irq[i], io[i], 0, NULL ))
5727 airo_print_info("", "Probing for PCI adapters");
5728 i = pci_register_driver(&airo_driver);
5729 airo_print_info("", "Finished probing for PCI adapters");
5732 remove_proc_entry("driver/aironet", NULL);
5737 /* Always exit with success, as we are a library module
5738 * as well as a driver module
5743 static void __exit airo_cleanup_module( void )
5745 struct airo_info *ai;
5746 while(!list_empty(&airo_devices)) {
5747 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5748 airo_print_info(ai->dev->name, "Unregistering...");
5749 stop_airo_card(ai->dev, 1);
5752 pci_unregister_driver(&airo_driver);
5754 remove_proc_entry("driver/aironet", NULL);
5758 * Initial Wireless Extension code for Aironet driver by :
5759 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5760 * Conversion to new driver API by :
5761 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5762 * Javier also did a good amount of work here, adding some new extensions
5763 * and fixing my code. Let's just say that without him this code just
5764 * would not work at all... - Jean II
5767 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5772 return (0x100 - rssi_rid[rssi].rssidBm);
5775 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5782 for (i = 0; i < 256; i++)
5783 if (rssi_rid[i].rssidBm == dbm)
5784 return rssi_rid[i].rssipct;
5790 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5795 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5798 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5801 sq = le16_to_cpu(status_rid->signalQuality);
5802 if (memcmp(cap_rid->prodName, "350", 3))
5806 quality = 0x20 - sq;
5813 quality = 0xb0 - sq;
5817 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5818 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5820 /*------------------------------------------------------------------*/
5822 * Wireless Handler : get protocol name
5824 static int airo_get_name(struct net_device *dev,
5825 struct iw_request_info *info,
5829 strcpy(cwrq, "IEEE 802.11-DS");
5833 /*------------------------------------------------------------------*/
5835 * Wireless Handler : set frequency
5837 static int airo_set_freq(struct net_device *dev,
5838 struct iw_request_info *info,
5839 struct iw_freq *fwrq,
5842 struct airo_info *local = dev->ml_priv;
5843 int rc = -EINPROGRESS; /* Call commit handler */
5845 /* If setting by frequency, convert to a channel */
5847 int f = fwrq->m / 100000;
5849 /* Hack to fall through... */
5851 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5853 /* Setting by channel number */
5854 if((fwrq->m > 1000) || (fwrq->e > 0))
5857 int channel = fwrq->m;
5858 /* We should do a better check than that,
5859 * based on the card capability !!! */
5860 if((channel < 1) || (channel > 14)) {
5861 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5865 readConfigRid(local, 1);
5866 /* Yes ! We can set it !!! */
5867 local->config.channelSet = cpu_to_le16(channel);
5868 set_bit (FLAG_COMMIT, &local->flags);
5874 /*------------------------------------------------------------------*/
5876 * Wireless Handler : get frequency
5878 static int airo_get_freq(struct net_device *dev,
5879 struct iw_request_info *info,
5880 struct iw_freq *fwrq,
5883 struct airo_info *local = dev->ml_priv;
5884 StatusRid status_rid; /* Card status info */
5887 readConfigRid(local, 1);
5888 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5889 status_rid.channel = local->config.channelSet;
5891 readStatusRid(local, &status_rid, 1);
5893 ch = le16_to_cpu(status_rid.channel);
5894 if((ch > 0) && (ch < 15)) {
5895 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5905 /*------------------------------------------------------------------*/
5907 * Wireless Handler : set ESSID
5909 static int airo_set_essid(struct net_device *dev,
5910 struct iw_request_info *info,
5911 struct iw_point *dwrq,
5914 struct airo_info *local = dev->ml_priv;
5915 SsidRid SSID_rid; /* SSIDs */
5917 /* Reload the list of current SSID */
5918 readSsidRid(local, &SSID_rid);
5920 /* Check if we asked for `any' */
5921 if(dwrq->flags == 0) {
5922 /* Just send an empty SSID list */
5923 memset(&SSID_rid, 0, sizeof(SSID_rid));
5925 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5927 /* Check the size of the string */
5928 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5931 /* Check if index is valid */
5932 if((index < 0) || (index >= 4)) {
5937 memset(SSID_rid.ssids[index].ssid, 0,
5938 sizeof(SSID_rid.ssids[index].ssid));
5939 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5940 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5942 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5943 /* Write it to the card */
5944 disable_MAC(local, 1);
5945 writeSsidRid(local, &SSID_rid, 1);
5946 enable_MAC(local, 1);
5951 /*------------------------------------------------------------------*/
5953 * Wireless Handler : get ESSID
5955 static int airo_get_essid(struct net_device *dev,
5956 struct iw_request_info *info,
5957 struct iw_point *dwrq,
5960 struct airo_info *local = dev->ml_priv;
5961 StatusRid status_rid; /* Card status info */
5963 readStatusRid(local, &status_rid, 1);
5965 /* Note : if dwrq->flags != 0, we should
5966 * get the relevant SSID from the SSID list... */
5968 /* Get the current SSID */
5969 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5970 /* If none, we may want to get the one that was set */
5973 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5974 dwrq->flags = 1; /* active */
5979 /*------------------------------------------------------------------*/
5981 * Wireless Handler : set AP address
5983 static int airo_set_wap(struct net_device *dev,
5984 struct iw_request_info *info,
5985 struct sockaddr *awrq,
5988 struct airo_info *local = dev->ml_priv;
5991 APListRid APList_rid;
5992 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5993 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5995 if (awrq->sa_family != ARPHRD_ETHER)
5997 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5998 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5999 memset(&cmd, 0, sizeof(cmd));
6000 cmd.cmd=CMD_LOSE_SYNC;
6001 if (down_interruptible(&local->sem))
6002 return -ERESTARTSYS;
6003 issuecommand(local, &cmd, &rsp);
6006 memset(&APList_rid, 0, sizeof(APList_rid));
6007 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6008 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6009 disable_MAC(local, 1);
6010 writeAPListRid(local, &APList_rid, 1);
6011 enable_MAC(local, 1);
6016 /*------------------------------------------------------------------*/
6018 * Wireless Handler : get AP address
6020 static int airo_get_wap(struct net_device *dev,
6021 struct iw_request_info *info,
6022 struct sockaddr *awrq,
6025 struct airo_info *local = dev->ml_priv;
6026 StatusRid status_rid; /* Card status info */
6028 readStatusRid(local, &status_rid, 1);
6030 /* Tentative. This seems to work, wow, I'm lucky !!! */
6031 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6032 awrq->sa_family = ARPHRD_ETHER;
6037 /*------------------------------------------------------------------*/
6039 * Wireless Handler : set Nickname
6041 static int airo_set_nick(struct net_device *dev,
6042 struct iw_request_info *info,
6043 struct iw_point *dwrq,
6046 struct airo_info *local = dev->ml_priv;
6048 /* Check the size of the string */
6049 if(dwrq->length > 16) {
6052 readConfigRid(local, 1);
6053 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6054 memcpy(local->config.nodeName, extra, dwrq->length);
6055 set_bit (FLAG_COMMIT, &local->flags);
6057 return -EINPROGRESS; /* Call commit handler */
6060 /*------------------------------------------------------------------*/
6062 * Wireless Handler : get Nickname
6064 static int airo_get_nick(struct net_device *dev,
6065 struct iw_request_info *info,
6066 struct iw_point *dwrq,
6069 struct airo_info *local = dev->ml_priv;
6071 readConfigRid(local, 1);
6072 strncpy(extra, local->config.nodeName, 16);
6074 dwrq->length = strlen(extra);
6079 /*------------------------------------------------------------------*/
6081 * Wireless Handler : set Bit-Rate
6083 static int airo_set_rate(struct net_device *dev,
6084 struct iw_request_info *info,
6085 struct iw_param *vwrq,
6088 struct airo_info *local = dev->ml_priv;
6089 CapabilityRid cap_rid; /* Card capability info */
6093 /* First : get a valid bit rate value */