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 <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
56 #define DRV_NAME "airo"
59 static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 MODULE_DEVICE_TABLE(pci, card_ids);
71 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72 static void airo_pci_remove(struct pci_dev *);
73 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
74 static int airo_pci_resume(struct pci_dev *pdev);
76 static struct pci_driver airo_driver = {
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
84 #endif /* CONFIG_PCI */
86 /* Include Wireless Extension definition and check version - Jean II */
87 #include <linux/wireless.h>
88 #define WIRELESS_SPY // enable iwspy support
89 #include <net/iw_handler.h> // New driver API
91 #define CISCO_EXT // enable Cisco extensions
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static int basic_rate;
219 static char *ssids[3];
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
233 static int probe = 1;
235 static int proc_uid /* = 0 */;
237 static int proc_gid /* = 0 */;
239 static int airo_perm = 0555;
241 static int proc_perm = 0644;
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param(basic_rate, int, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO = 0;
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
372 #define LINKSTAT 0x10
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
397 /* Size of the transmit queue */
401 #define BAP0 0 // Used for receiving packets
402 #define BAP1 2 // Used for xmiting packets and working with RIDS
405 #define COMMAND_BUSY 0x8000
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
415 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #define IGNORE_INTS (~STATUS_INTS)
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
498 /* This is redundant for x86 archs, but it seems necessary for ARM */
501 /* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
511 /* These structures are from the Aironet's PC4500 Developers Manual */
525 #define MOD_DEFAULT cpu_to_le16(0)
526 #define MOD_CCK cpu_to_le16(1)
527 #define MOD_MOK cpu_to_le16(2)
531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533 #define MODE_STA_IBSS cpu_to_le16(0)
534 #define MODE_STA_ESS cpu_to_le16(1)
535 #define MODE_AP cpu_to_le16(2)
536 #define MODE_AP_RPTR cpu_to_le16(3)
537 #define MODE_CFG_MASK cpu_to_le16(0xff)
538 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554 #define RXMODE_MASK cpu_to_le16(255)
555 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
560 u8 macAddr[ETH_ALEN];
562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
568 __le16 u16deviceType; /* for overriding device type */
571 __le16 _reserved1[3];
572 /*---------- Scanning/Associating ----------*/
574 #define SCANMODE_ACTIVE cpu_to_le16(0)
575 #define SCANMODE_PASSIVE cpu_to_le16(1)
576 #define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
584 #define AUTH_OPEN cpu_to_le16(0x1)
585 #define AUTH_ENCRYPT cpu_to_le16(0x101)
586 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
587 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
597 /*---------- Power save operation ----------*/
598 __le16 powerSaveMode;
599 #define POWERSAVE_CAM cpu_to_le16(0)
600 #define POWERSAVE_PSP cpu_to_le16(1)
601 #define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
608 /*---------- Ap/Ibss config items ----------*/
615 __le16 bridgeDistance;
617 /*---------- Radio configuration ----------*/
619 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
620 #define RADIOTYPE_802_11 cpu_to_le16(1)
621 #define RADIOTYPE_LEGACY cpu_to_le16(2)
625 #define TXPOWER_DEFAULT 0
626 __le16 rssiThreshold;
627 #define RSSI_DEFAULT 0
629 #define PREAMBLE_AUTO cpu_to_le16(0)
630 #define PREAMBLE_LONG cpu_to_le16(1)
631 #define PREAMBLE_SHORT cpu_to_le16(2)
634 __le16 radioSpecific;
635 /*---------- Aironet Extensions ----------*/
640 __le16 _reserved4[1];
641 /*---------- Aironet Extensions ----------*/
643 #define MAGIC_ACTION_STSCHG 1
644 #define MAGIC_ACTION_RESUME 2
645 #define MAGIC_IGNORE_MCAST (1<<8)
646 #define MAGIC_IGNORE_BCAST (1<<9)
647 #define MAGIC_SWITCH_TO_PSP (0<<10)
648 #define MAGIC_STAY_IN_CAM (1<<10)
662 u8 bssid[4][ETH_ALEN];
669 __le16 hopsToBackbone;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
688 #define STAT_NOPACKETS 0
689 #define STAT_NOCARRIERSET 10
690 #define STAT_GOTCARRIERSET 11
691 #define STAT_WRONGSSID 20
692 #define STAT_BADCHANNEL 25
693 #define STAT_BADBITRATES 30
694 #define STAT_BADPRIVACY 35
695 #define STAT_APFOUND 40
696 #define STAT_APREJECTED 50
697 #define STAT_AUTHENTICATING 60
698 #define STAT_DEAUTHENTICATED 61
699 #define STAT_AUTHTIMEOUT 62
700 #define STAT_ASSOCIATING 70
701 #define STAT_DEASSOCIATED 71
702 #define STAT_ASSOCTIMEOUT 72
703 #define STAT_NOTAIROAP 73
704 #define STAT_ASSOCIATED 80
705 #define STAT_LEAPING 90
706 #define STAT_LEAPFAILED 91
707 #define STAT_LEAPTIMEDOUT 92
708 #define STAT_LEAPCOMPLETE 93
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
735 char callid[ETH_ALEN];
736 char supportedRates[8];
739 __le16 txPowerLevels[8];
753 /* Only present on firmware >= 5.30.17 */
756 u8 fixed[12]; /* WLAN management frame */
762 __le16 index; /* First is 0 and 0xffff means end of list */
763 #define RADIO_FH 1 /* Frequency hopping radio type */
764 #define RADIO_DS 2 /* Direct sequence radio type */
765 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
772 #define CAP_ESS cpu_to_le16(1<<0)
773 #define CAP_IBSS cpu_to_le16(1<<1)
774 #define CAP_PRIVACY cpu_to_le16(1<<4)
775 #define CAP_SHORTHDR cpu_to_le16(1<<5)
777 __le16 beaconInterval;
778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
795 struct list_head list;
841 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
842 #define TXCTL_TXEX (1<<2) /* report if tx fails */
843 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
844 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846 #define TXCTL_LLC (1<<4) /* payload is llc */
847 #define TXCTL_RELEASE (0<<5) /* release after completion */
848 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
850 #define BUSY_FID 0x10000
853 #define AIROMAGIC 0xa55a
854 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855 #ifdef SIOCIWFIRSTPRIV
856 #ifdef SIOCDEVPRIVATE
857 #define AIROOLDIOCTL SIOCDEVPRIVATE
858 #define AIROOLDIDIFC AIROOLDIOCTL + 1
859 #endif /* SIOCDEVPRIVATE */
860 #else /* SIOCIWFIRSTPRIV */
861 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862 #endif /* SIOCIWFIRSTPRIV */
863 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867 #define AIROIOCTL SIOCIWFIRSTPRIV
868 #define AIROIDIFC AIROIOCTL + 1
870 /* Ioctl constants to be used in airo_ioctl.command */
872 #define AIROGCAP 0 // Capability rid
873 #define AIROGCFG 1 // USED A LOT
874 #define AIROGSLIST 2 // System ID list
875 #define AIROGVLIST 3 // List of specified AP's
876 #define AIROGDRVNAM 4 // NOTUSED
877 #define AIROGEHTENC 5 // NOTUSED
878 #define AIROGWEPKTMP 6
879 #define AIROGWEPKNV 7
881 #define AIROGSTATSC32 9
882 #define AIROGSTATSD32 10
883 #define AIROGMICRID 11
884 #define AIROGMICSTATS 12
885 #define AIROGFLAGS 13
888 #define AIRORSWVERSION 17
890 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
892 #define AIROPCAP AIROGSTATSD32 + 40
893 #define AIROPVLIST AIROPCAP + 1
894 #define AIROPSLIST AIROPVLIST + 1
895 #define AIROPCFG AIROPSLIST + 1
896 #define AIROPSIDS AIROPCFG + 1
897 #define AIROPAPLIST AIROPSIDS + 1
898 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900 #define AIROPSTCLR AIROPMACOFF + 1
901 #define AIROPWEPKEY AIROPSTCLR + 1
902 #define AIROPWEPKEYNV AIROPWEPKEY + 1
903 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
904 #define AIROPLEAPUSR AIROPLEAPPWD + 1
908 #define AIROFLSHRST AIROPWEPKEYNV + 40
909 #define AIROFLSHGCHR AIROFLSHRST + 1
910 #define AIROFLSHSTFL AIROFLSHGCHR + 1
911 #define AIROFLSHPCHR AIROFLSHSTFL + 1
912 #define AIROFLPUTBUF AIROFLSHPCHR + 1
913 #define AIRORESTART AIROFLPUTBUF + 1
915 #define FLASHSIZE 32768
916 #define AUXMEMSIZE (256 * 1024)
918 typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
925 static char swversion[] = "2.1";
926 #endif /* CISCO_EXT */
928 #define NUM_MODULES 2
929 #define MIC_MSGLEN_MAX 2400
930 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
931 #define AIRO_DEF_MTU 2312
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
951 } part; // saves partial message word across update() calls
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
976 unsigned int offset: 15;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
984 unsigned int ctl: 15;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
992 * Host receive descriptor
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
1004 * Host transmit descriptor
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1016 * Host RID descriptor
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1031 #define HOST_SET (1 << 0)
1032 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038 #define HOST_RTS (1 << 9) /* Force RTS use */
1039 #define HOST_SHORT (1 << 10) /* Do short preamble */
1066 static WifiCtlHdr wifictlhdr8023 = {
1068 .ctl = HOST_DONT_RLSE,
1072 // Frequency list (map channels to frequencies)
1073 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1076 // A few details needed for WEP (Wireless Equivalent Privacy)
1077 #define MAX_KEY_SIZE 13 // 128 (?) bits
1078 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079 typedef struct wep_key_t {
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1084 /* Backward compatibility */
1085 #ifndef IW_ENCODE_NOKEY
1086 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088 #endif /* IW_ENCODE_NOKEY */
1090 /* List of Wireless Handlers (new API) */
1091 static const struct iw_handler_def airo_handler_def;
1093 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1097 static int get_dec_u16( char *buffer, int *start, int limit );
1098 static void OUT4500( struct airo_info *, u16 register, u16 value );
1099 static unsigned short IN4500( struct airo_info *, u16 register );
1100 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1101 static int enable_MAC(struct airo_info *ai, int lock);
1102 static void disable_MAC(struct airo_info *ai, int lock);
1103 static void enable_interrupts(struct airo_info*);
1104 static void disable_interrupts(struct airo_info*);
1105 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1107 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1109 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1111 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1113 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1123 static int mpi_send_packet (struct net_device *dev);
1124 static void mpi_unmap_card(struct pci_dev *pci);
1125 static void mpi_receive_802_3(struct airo_info *ai);
1126 static void mpi_receive_802_11(struct airo_info *ai);
1127 static int waitbusy (struct airo_info *ai);
1129 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1130 static int airo_thread(void *data);
1131 static void timer_func( struct net_device *dev );
1132 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1133 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1134 static void airo_read_wireless_stats (struct airo_info *local);
1136 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1138 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1139 #endif /* CISCO_EXT */
1140 static void micinit(struct airo_info *ai);
1141 static int micsetup(struct airo_info *ai);
1142 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1145 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1148 static void airo_networks_free(struct airo_info *ai);
1151 struct net_device_stats stats;
1152 struct net_device *dev;
1153 struct list_head dev_list;
1154 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1155 use the high bit to mark whether it is in use. */
1157 #define MPI_MAX_FIDS 1
1160 char keyindex; // Used with auto wep
1161 char defindex; // Used with auto wep
1162 struct proc_dir_entry *proc_entry;
1163 spinlock_t aux_lock;
1164 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1165 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1166 #define FLAG_RADIO_MASK 0x03
1167 #define FLAG_ENABLED 2
1168 #define FLAG_ADHOC 3 /* Needed by MIC */
1169 #define FLAG_MIC_CAPABLE 4
1170 #define FLAG_UPDATE_MULTI 5
1171 #define FLAG_UPDATE_UNI 6
1172 #define FLAG_802_11 7
1173 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1174 #define FLAG_PENDING_XMIT 9
1175 #define FLAG_PENDING_XMIT11 10
1177 #define FLAG_REGISTERED 12
1178 #define FLAG_COMMIT 13
1179 #define FLAG_RESET 14
1180 #define FLAG_FLASHING 15
1181 #define FLAG_WPA_CAPABLE 16
1182 unsigned long flags;
1185 #define JOB_XMIT11 2
1187 #define JOB_PROMISC 4
1190 #define JOB_AUTOWEP 7
1191 #define JOB_WSTATS 8
1192 #define JOB_SCAN_RESULTS 9
1194 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1196 unsigned short *flash;
1198 struct task_struct *list_bss_task;
1199 struct task_struct *airo_thread_task;
1200 struct semaphore sem;
1201 wait_queue_head_t thr_wait;
1202 unsigned long expires;
1204 struct sk_buff *skb;
1207 struct net_device *wifidev;
1208 struct iw_statistics wstats; // wireless stats
1209 unsigned long scan_timeout; /* Time scan should be read */
1210 struct iw_spy_data spy_data;
1211 struct iw_public_data wireless_data;
1213 struct crypto_cipher *tfm;
1215 mic_statistics micstats;
1216 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1217 HostTxDesc txfids[MPI_MAX_FIDS];
1218 HostRidDesc config_desc;
1219 unsigned long ridbus; // phys addr of config_desc
1220 struct sk_buff_head txq;// tx queue used by mpi350 code
1221 struct pci_dev *pci;
1222 unsigned char __iomem *pcimem;
1223 unsigned char __iomem *pciaux;
1224 unsigned char *shared;
1225 dma_addr_t shared_dma;
1229 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1230 char proc_name[IFNAMSIZ];
1232 /* WPA-related stuff */
1233 unsigned int bssListFirst;
1234 unsigned int bssListNext;
1235 unsigned int bssListRidLen;
1237 struct list_head network_list;
1238 struct list_head network_free_list;
1239 BSSListElement *networks;
1242 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1245 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1248 static int setup_proc_entry( struct net_device *dev,
1249 struct airo_info *apriv );
1250 static int takedown_proc_entry( struct net_device *dev,
1251 struct airo_info *apriv );
1253 static int cmdreset(struct airo_info *ai);
1254 static int setflashmode (struct airo_info *ai);
1255 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1256 static int flashputbuf(struct airo_info *ai);
1257 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1259 #define airo_print(type, name, fmt, args...) \
1260 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1262 #define airo_print_info(name, fmt, args...) \
1263 airo_print(KERN_INFO, name, fmt, ##args)
1265 #define airo_print_dbg(name, fmt, args...) \
1266 airo_print(KERN_DEBUG, name, fmt, ##args)
1268 #define airo_print_warn(name, fmt, args...) \
1269 airo_print(KERN_WARNING, name, fmt, ##args)
1271 #define airo_print_err(name, fmt, args...) \
1272 airo_print(KERN_ERR, name, fmt, ##args)
1275 /***********************************************************************
1277 ***********************************************************************
1280 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1281 static void MoveWindow(miccntx *context, u32 micSeq);
1282 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1283 struct crypto_cipher *tfm);
1284 static void emmh32_init(emmh32_context *context);
1285 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1286 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1287 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1289 /* micinit - Initialize mic seed */
1291 static void micinit(struct airo_info *ai)
1295 clear_bit(JOB_MIC, &ai->jobs);
1296 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1299 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1301 if (ai->micstats.enabled) {
1302 /* Key must be valid and different */
1303 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1304 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1305 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1306 /* Age current mic Context */
1307 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1308 /* Initialize new context */
1309 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1310 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1311 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1312 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1313 ai->mod[0].mCtx.valid = 1; //Key is now valid
1315 /* Give key to mic seed */
1316 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1319 /* Key must be valid and different */
1320 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1321 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1322 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1323 /* Age current mic Context */
1324 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1325 /* Initialize new context */
1326 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1328 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1329 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1330 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1331 ai->mod[0].uCtx.valid = 1; //Key is now valid
1333 //Give key to mic seed
1334 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1337 /* So next time we have a valid key and mic is enabled, we will update
1338 * the sequence number if the key is the same as before.
1340 ai->mod[0].uCtx.valid = 0;
1341 ai->mod[0].mCtx.valid = 0;
1345 /* micsetup - Get ready for business */
1347 static int micsetup(struct airo_info *ai) {
1350 if (ai->tfm == NULL)
1351 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1353 if (IS_ERR(ai->tfm)) {
1354 airo_print_err(ai->dev->name, "failed to load transform for AES");
1359 for (i=0; i < NUM_MODULES; i++) {
1360 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1361 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1366 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1368 /*===========================================================================
1369 * Description: Mic a packet
1371 * Inputs: etherHead * pointer to an 802.3 frame
1373 * Returns: BOOLEAN if successful, otherwise false.
1374 * PacketTxLen will be updated with the mic'd packets size.
1376 * Caveats: It is assumed that the frame buffer will already
1377 * be big enough to hold the largets mic message possible.
1378 * (No memory allocation is done here).
1380 * Author: sbraneky (10/15/01)
1381 * Merciless hacks by rwilcher (1/14/02)
1384 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1388 // Determine correct context
1389 // If not adhoc, always use unicast key
1391 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1392 context = &ai->mod[0].mCtx;
1394 context = &ai->mod[0].uCtx;
1396 if (!context->valid)
1399 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1401 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1404 mic->seq = htonl(context->tx);
1407 emmh32_init(&context->seed); // Mic the packet
1408 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1409 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1410 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1411 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1412 emmh32_final(&context->seed, (u8*)&mic->mic);
1414 /* New Type/length ?????????? */
1415 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 /*===========================================================================
1428 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1429 * (removes the MIC stuff) if packet is a valid packet.
1431 * Inputs: etherHead pointer to the 802.3 packet
1433 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1435 * Author: sbraneky (10/15/01)
1436 * Merciless hacks by rwilcher (1/14/02)
1437 *---------------------------------------------------------------------------
1440 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1446 mic_error micError = NONE;
1448 // Check if the packet is a Mic'd packet
1450 if (!ai->micstats.enabled) {
1451 //No Mic set or Mic OFF but we received a MIC'd packet.
1452 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1453 ai->micstats.rxMICPlummed++;
1459 if (ntohs(mic->typelen) == 0x888E)
1462 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1463 // Mic enabled but packet isn't Mic'd
1464 ai->micstats.rxMICPlummed++;
1468 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1470 //At this point we a have a mic'd packet and mic is enabled
1471 //Now do the mic error checking.
1473 //Receive seq must be odd
1474 if ( (micSEQ & 1) == 0 ) {
1475 ai->micstats.rxWrongSequence++;
1479 for (i = 0; i < NUM_MODULES; i++) {
1480 int mcast = eth->da[0] & 1;
1481 //Determine proper context
1482 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1484 //Make sure context is valid
1485 if (!context->valid) {
1487 micError = NOMICPLUMMED;
1493 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1495 emmh32_init(&context->seed);
1496 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1497 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1498 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1499 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1501 emmh32_final(&context->seed, digest);
1503 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1506 micError = INCORRECTMIC;
1510 //Check Sequence number if mics pass
1511 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1512 ai->micstats.rxSuccess++;
1516 micError = SEQUENCE;
1519 // Update statistics
1521 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1522 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1523 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1530 /*===========================================================================
1531 * Description: Checks the Rx Seq number to make sure it is valid
1532 * and hasn't already been received
1534 * Inputs: miccntx - mic context to check seq against
1535 * micSeq - the Mic seq number
1537 * Returns: TRUE if valid otherwise FALSE.
1539 * Author: sbraneky (10/15/01)
1540 * Merciless hacks by rwilcher (1/14/02)
1541 *---------------------------------------------------------------------------
1544 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1548 //Allow for the ap being rebooted - if it is then use the next
1549 //sequence number of the current sequence number - might go backwards
1552 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33;
1555 context->rx = 0; // Reset rx
1557 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1558 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1559 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1560 context->rx = 0; // Reset rx
1563 //Make sequence number relative to START of window
1564 seq = micSeq - (context->window - 33);
1566 //Too old of a SEQ number to check.
1571 //Window is infinite forward
1572 MoveWindow(context,micSeq);
1576 // We are in the window. Now check the context rx bit to see if it was already sent
1577 seq >>= 1; //divide by 2 because we only have odd numbers
1578 index = 1 << seq; //Get an index number
1580 if (!(context->rx & index)) {
1581 //micSEQ falls inside the window.
1582 //Add seqence number to the list of received numbers.
1583 context->rx |= index;
1585 MoveWindow(context,micSeq);
1592 static void MoveWindow(miccntx *context, u32 micSeq)
1596 //Move window if seq greater than the middle of the window
1597 if (micSeq > context->window) {
1598 shift = (micSeq - context->window) >> 1;
1602 context->rx >>= shift;
1606 context->window = micSeq; //Move window
1610 /*==============================================*/
1611 /*========== EMMH ROUTINES ====================*/
1612 /*==============================================*/
1614 /* mic accumulate */
1615 #define MIC_ACCUM(val) \
1616 context->accum += (u64)(val) * context->coeff[coeff_position++];
1618 static unsigned char aes_counter[16];
1620 /* expand the key to fill the MMH coefficient array */
1621 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1622 struct crypto_cipher *tfm)
1624 /* take the keying material, expand if necessary, truncate at 16-bytes */
1625 /* run through AES counter mode to generate context->coeff[] */
1629 u8 *cipher, plain[16];
1631 crypto_cipher_setkey(tfm, pkey, 16);
1633 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1634 aes_counter[15] = (u8)(counter >> 0);
1635 aes_counter[14] = (u8)(counter >> 8);
1636 aes_counter[13] = (u8)(counter >> 16);
1637 aes_counter[12] = (u8)(counter >> 24);
1639 memcpy (plain, aes_counter, 16);
1640 crypto_cipher_encrypt_one(tfm, plain, plain);
1642 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1643 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1649 /* prepare for calculation of a new mic */
1650 static void emmh32_init(emmh32_context *context)
1652 /* prepare for new mic calculation */
1654 context->position = 0;
1657 /* add some bytes to the mic calculation */
1658 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1660 int coeff_position, byte_position;
1662 if (len == 0) return;
1664 coeff_position = context->position >> 2;
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1671 if (len == 0) return;
1672 context->part.d8[byte_position++] = *pOctets++;
1673 context->position++;
1675 } while (byte_position < 4);
1676 MIC_ACCUM(ntohl(context->part.d32));
1679 /* deal with full 32-bit words */
1681 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1682 context->position += 4;
1687 /* deal with partial 32-bit word that will be left over from this update */
1690 context->part.d8[byte_position++] = *pOctets++;
1691 context->position++;
1696 /* mask used to zero empty bytes for final partial word */
1697 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1699 /* calculate the mic */
1700 static void emmh32_final(emmh32_context *context, u8 digest[4])
1702 int coeff_position, byte_position;
1708 coeff_position = context->position >> 2;
1710 /* deal with partial 32-bit word left over from last update */
1711 byte_position = context->position & 3;
1712 if (byte_position) {
1713 /* have a partial word in part to deal with */
1714 val = ntohl(context->part.d32);
1715 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1718 /* reduce the accumulated u64 to a 32-bit MIC */
1719 sum = context->accum;
1720 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1721 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1722 sum = utmp & 0xffffffffLL;
1723 if (utmp > 0x10000000fLL)
1727 digest[0] = (val>>24) & 0xFF;
1728 digest[1] = (val>>16) & 0xFF;
1729 digest[2] = (val>>8) & 0xFF;
1730 digest[3] = val & 0xFF;
1733 static int readBSSListRid(struct airo_info *ai, int first,
1740 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1741 memset(&cmd, 0, sizeof(cmd));
1742 cmd.cmd=CMD_LISTBSS;
1743 if (down_interruptible(&ai->sem))
1744 return -ERESTARTSYS;
1745 ai->list_bss_task = current;
1746 issuecommand(ai, &cmd, &rsp);
1748 /* Let the command take effect */
1749 schedule_timeout_uninterruptible(3 * HZ);
1750 ai->list_bss_task = NULL;
1752 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1753 list, ai->bssListRidLen, 1);
1756 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1758 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1759 wkr, sizeof(*wkr), lock);
1762 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1765 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1767 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1769 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1771 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1776 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1778 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1781 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1783 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1786 static int readConfigRid(struct airo_info *ai, int lock)
1794 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1802 static inline void checkThrottle(struct airo_info *ai)
1805 /* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1815 static int writeConfigRid(struct airo_info *ai, int lock)
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1827 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1828 set_bit(FLAG_ADHOC, &ai->flags);
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1832 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1835 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1837 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1840 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1842 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1845 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1847 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1850 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1852 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1855 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1857 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1860 static void try_auto_wep(struct airo_info *ai)
1862 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1863 ai->expires = RUN_AT(3*HZ);
1864 wake_up_interruptible(&ai->thr_wait);
1868 static int airo_open(struct net_device *dev) {
1869 struct airo_info *ai = dev->priv;
1872 if (test_bit(FLAG_FLASHING, &ai->flags))
1875 /* Make sure the card is configured.
1876 * Wireless Extensions may postpone config changes until the card
1877 * is open (to pipeline changes and speed-up card setup). If
1878 * those changes are not yet commited, do it now - Jean II */
1879 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1881 writeConfigRid(ai, 1);
1884 if (ai->wifidev != dev) {
1885 clear_bit(JOB_DIE, &ai->jobs);
1886 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1887 if (IS_ERR(ai->airo_thread_task))
1888 return (int)PTR_ERR(ai->airo_thread_task);
1890 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1893 airo_print_err(dev->name,
1894 "register interrupt %d failed, rc %d",
1896 set_bit(JOB_DIE, &ai->jobs);
1897 kthread_stop(ai->airo_thread_task);
1901 /* Power on the MAC controller (which may have been disabled) */
1902 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1903 enable_interrupts(ai);
1909 netif_start_queue(dev);
1913 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1914 int npacks, pending;
1915 unsigned long flags;
1916 struct airo_info *ai = dev->priv;
1919 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1922 npacks = skb_queue_len (&ai->txq);
1924 if (npacks >= MAXTXQ - 1) {
1925 netif_stop_queue (dev);
1926 if (npacks > MAXTXQ) {
1927 ai->stats.tx_fifo_errors++;
1930 skb_queue_tail (&ai->txq, skb);
1934 spin_lock_irqsave(&ai->aux_lock, flags);
1935 skb_queue_tail (&ai->txq, skb);
1936 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1937 spin_unlock_irqrestore(&ai->aux_lock,flags);
1938 netif_wake_queue (dev);
1941 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1942 mpi_send_packet (dev);
1950 * Attempt to transmit a packet. Can be called from interrupt
1951 * or transmit . return number of packets we tried to send
1954 static int mpi_send_packet (struct net_device *dev)
1956 struct sk_buff *skb;
1957 unsigned char *buffer;
1960 struct airo_info *ai = dev->priv;
1963 /* get a packet to send */
1965 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1966 airo_print_err(dev->name,
1967 "%s: Dequeue'd zero in send_packet()",
1972 /* check min length*/
1973 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1976 ai->txfids[0].tx_desc.offset = 0;
1977 ai->txfids[0].tx_desc.valid = 1;
1978 ai->txfids[0].tx_desc.eoc = 1;
1979 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1982 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1983 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1984 * is immediatly after it. ------------------------------------------------
1985 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1986 * ------------------------------------------------
1989 memcpy((char *)ai->txfids[0].virtual_host_addr,
1990 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1992 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1993 sizeof(wifictlhdr8023));
1994 sendbuf = ai->txfids[0].virtual_host_addr +
1995 sizeof(wifictlhdr8023) + 2 ;
1998 * Firmware automaticly puts 802 header on so
1999 * we don't need to account for it in the length
2001 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2002 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2005 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2008 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2009 ai->txfids[0].tx_desc.len += sizeof(pMic);
2010 /* copy data into airo dma buffer */
2011 memcpy (sendbuf, buffer, sizeof(etherHead));
2012 buffer += sizeof(etherHead);
2013 sendbuf += sizeof(etherHead);
2014 memcpy (sendbuf, &pMic, sizeof(pMic));
2015 sendbuf += sizeof(pMic);
2016 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2018 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2020 dev->trans_start = jiffies;
2022 /* copy data into airo dma buffer */
2023 memcpy(sendbuf, buffer, len);
2026 memcpy_toio(ai->txfids[0].card_ram_off,
2027 &ai->txfids[0].tx_desc, sizeof(TxFid));
2029 OUT4500(ai, EVACK, 8);
2031 dev_kfree_skb_any(skb);
2035 static void get_tx_error(struct airo_info *ai, s32 fid)
2040 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2042 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2044 bap_read(ai, &status, 2, BAP0);
2046 if (le16_to_cpu(status) & 2) /* Too many retries */
2047 ai->stats.tx_aborted_errors++;
2048 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2049 ai->stats.tx_heartbeat_errors++;
2050 if (le16_to_cpu(status) & 8) /* Aid fail */
2052 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2053 ai->stats.tx_carrier_errors++;
2054 if (le16_to_cpu(status) & 0x20) /* Association lost */
2056 /* We produce a TXDROP event only for retry or lifetime
2057 * exceeded, because that's the only status that really mean
2058 * that this particular node went away.
2059 * Other errors means that *we* screwed up. - Jean II */
2060 if ((le16_to_cpu(status) & 2) ||
2061 (le16_to_cpu(status) & 4)) {
2062 union iwreq_data wrqu;
2065 /* Faster to skip over useless data than to do
2066 * another bap_setup(). We are at offset 0x6 and
2067 * need to go to 0x18 and read 6 bytes - Jean II */
2068 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2070 /* Copy 802.11 dest address.
2071 * We use the 802.11 header because the frame may
2072 * not be 802.3 or may be mangled...
2073 * In Ad-Hoc mode, it will be the node address.
2074 * In managed mode, it will be most likely the AP addr
2075 * User space will figure out how to convert it to
2076 * whatever it needs (IP address or else).
2078 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2079 wrqu.addr.sa_family = ARPHRD_ETHER;
2081 /* Send event to user space */
2082 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2086 static void airo_end_xmit(struct net_device *dev) {
2089 struct airo_info *priv = dev->priv;
2090 struct sk_buff *skb = priv->xmit.skb;
2091 int fid = priv->xmit.fid;
2092 u32 *fids = priv->fids;
2094 clear_bit(JOB_XMIT, &priv->jobs);
2095 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2096 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2100 if ( status == SUCCESS ) {
2101 dev->trans_start = jiffies;
2102 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2104 priv->fids[fid] &= 0xffff;
2105 priv->stats.tx_window_errors++;
2107 if (i < MAX_FIDS / 2)
2108 netif_wake_queue(dev);
2112 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2115 struct airo_info *priv = dev->priv;
2116 u32 *fids = priv->fids;
2118 if ( skb == NULL ) {
2119 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2123 /* Find a vacant FID */
2124 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2125 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2127 if ( j >= MAX_FIDS / 2 ) {
2128 netif_stop_queue(dev);
2130 if (i == MAX_FIDS / 2) {
2131 priv->stats.tx_fifo_errors++;
2135 /* check min length*/
2136 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2137 /* Mark fid as used & save length for later */
2138 fids[i] |= (len << 16);
2139 priv->xmit.skb = skb;
2141 if (down_trylock(&priv->sem) != 0) {
2142 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2143 netif_stop_queue(dev);
2144 set_bit(JOB_XMIT, &priv->jobs);
2145 wake_up_interruptible(&priv->thr_wait);
2151 static void airo_end_xmit11(struct net_device *dev) {
2154 struct airo_info *priv = dev->priv;
2155 struct sk_buff *skb = priv->xmit11.skb;
2156 int fid = priv->xmit11.fid;
2157 u32 *fids = priv->fids;
2159 clear_bit(JOB_XMIT11, &priv->jobs);
2160 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2161 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2165 if ( status == SUCCESS ) {
2166 dev->trans_start = jiffies;
2167 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2169 priv->fids[fid] &= 0xffff;
2170 priv->stats.tx_window_errors++;
2173 netif_wake_queue(dev);
2177 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2180 struct airo_info *priv = dev->priv;
2181 u32 *fids = priv->fids;
2183 if (test_bit(FLAG_MPI, &priv->flags)) {
2184 /* Not implemented yet for MPI350 */
2185 netif_stop_queue(dev);
2189 if ( skb == NULL ) {
2190 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2194 /* Find a vacant FID */
2195 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2198 if ( j >= MAX_FIDS ) {
2199 netif_stop_queue(dev);
2201 if (i == MAX_FIDS) {
2202 priv->stats.tx_fifo_errors++;
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit11.skb = skb;
2211 priv->xmit11.fid = i;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2214 netif_stop_queue(dev);
2215 set_bit(JOB_XMIT11, &priv->jobs);
2216 wake_up_interruptible(&priv->thr_wait);
2218 airo_end_xmit11(dev);
2222 static void airo_read_stats(struct airo_info *ai)
2225 __le32 *vals = stats_rid.vals;
2227 clear_bit(JOB_STATS, &ai->jobs);
2228 if (ai->power.event) {
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2235 ai->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2236 le32_to_cpu(vals[45]);
2237 ai->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2238 le32_to_cpu(vals[41]);
2239 ai->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 ai->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 ai->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2243 ai->stats.tx_errors = le32_to_cpu(vals[42]) + ai->stats.tx_fifo_errors;
2244 ai->stats.multicast = le32_to_cpu(vals[43]);
2245 ai->stats.collisions = le32_to_cpu(vals[89]);
2247 /* detailed rx_errors: */
2248 ai->stats.rx_length_errors = le32_to_cpu(vals[3]);
2249 ai->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2250 ai->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2251 ai->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2254 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2256 struct airo_info *local = dev->priv;
2258 if (!test_bit(JOB_STATS, &local->jobs)) {
2259 /* Get stats out of the card if available */
2260 if (down_trylock(&local->sem) != 0) {
2261 set_bit(JOB_STATS, &local->jobs);
2262 wake_up_interruptible(&local->thr_wait);
2264 airo_read_stats(local);
2267 return &local->stats;
2270 static void airo_set_promisc(struct airo_info *ai) {
2274 memset(&cmd, 0, sizeof(cmd));
2275 cmd.cmd=CMD_SETMODE;
2276 clear_bit(JOB_PROMISC, &ai->jobs);
2277 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2278 issuecommand(ai, &cmd, &rsp);
2282 static void airo_set_multicast_list(struct net_device *dev) {
2283 struct airo_info *ai = dev->priv;
2285 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2286 change_bit(FLAG_PROMISC, &ai->flags);
2287 if (down_trylock(&ai->sem) != 0) {
2288 set_bit(JOB_PROMISC, &ai->jobs);
2289 wake_up_interruptible(&ai->thr_wait);
2291 airo_set_promisc(ai);
2294 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2295 /* Turn on multicast. (Should be already setup...) */
2299 static int airo_set_mac_address(struct net_device *dev, void *p)
2301 struct airo_info *ai = dev->priv;
2302 struct sockaddr *addr = p;
2304 readConfigRid(ai, 1);
2305 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2306 set_bit (FLAG_COMMIT, &ai->flags);
2308 writeConfigRid (ai, 1);
2310 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2312 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2316 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2318 if ((new_mtu < 68) || (new_mtu > 2400))
2324 static LIST_HEAD(airo_devices);
2326 static void add_airo_dev(struct airo_info *ai)
2328 /* Upper layers already keep track of PCI devices,
2329 * so we only need to remember our non-PCI cards. */
2331 list_add_tail(&ai->dev_list, &airo_devices);
2334 static void del_airo_dev(struct airo_info *ai)
2337 list_del(&ai->dev_list);
2340 static int airo_close(struct net_device *dev) {
2341 struct airo_info *ai = dev->priv;
2343 netif_stop_queue(dev);
2345 if (ai->wifidev != dev) {
2346 #ifdef POWER_ON_DOWN
2347 /* Shut power to the card. The idea is that the user can save
2348 * power when he doesn't need the card with "ifconfig down".
2349 * That's the method that is most friendly towards the network
2350 * stack (i.e. the network stack won't try to broadcast
2351 * anything on the interface and routes are gone. Jean II */
2352 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2355 disable_interrupts( ai );
2357 free_irq(dev->irq, dev);
2359 set_bit(JOB_DIE, &ai->jobs);
2360 kthread_stop(ai->airo_thread_task);
2365 void stop_airo_card( struct net_device *dev, int freeres )
2367 struct airo_info *ai = dev->priv;
2369 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_interrupts(ai);
2372 takedown_proc_entry( dev, ai );
2373 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2374 unregister_netdev( dev );
2376 unregister_netdev(ai->wifidev);
2377 free_netdev(ai->wifidev);
2380 clear_bit(FLAG_REGISTERED, &ai->flags);
2383 * Clean out tx queue
2385 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2386 struct sk_buff *skb = NULL;
2387 for (;(skb = skb_dequeue(&ai->txq));)
2391 airo_networks_free (ai);
2398 /* PCMCIA frees this stuff, so only for PCI and ISA */
2399 release_region( dev->base_addr, 64 );
2400 if (test_bit(FLAG_MPI, &ai->flags)) {
2402 mpi_unmap_card(ai->pci);
2404 iounmap(ai->pcimem);
2406 iounmap(ai->pciaux);
2407 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2408 ai->shared, ai->shared_dma);
2411 crypto_free_cipher(ai->tfm);
2416 EXPORT_SYMBOL(stop_airo_card);
2418 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2420 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2424 static void mpi_unmap_card(struct pci_dev *pci)
2426 unsigned long mem_start = pci_resource_start(pci, 1);
2427 unsigned long mem_len = pci_resource_len(pci, 1);
2428 unsigned long aux_start = pci_resource_start(pci, 2);
2429 unsigned long aux_len = AUXMEMSIZE;
2431 release_mem_region(aux_start, aux_len);
2432 release_mem_region(mem_start, mem_len);
2435 /*************************************************************
2436 * This routine assumes that descriptors have been setup .
2437 * Run at insmod time or after reset when the decriptors
2438 * have been initialized . Returns 0 if all is well nz
2439 * otherwise . Does not allocate memory but sets up card
2440 * using previously allocated descriptors.
2442 static int mpi_init_descriptors (struct airo_info *ai)
2449 /* Alloc card RX descriptors */
2450 netif_stop_queue(ai->dev);
2452 memset(&rsp,0,sizeof(rsp));
2453 memset(&cmd,0,sizeof(cmd));
2455 cmd.cmd = CMD_ALLOCATEAUX;
2457 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2458 cmd.parm2 = MPI_MAX_FIDS;
2459 rc=issuecommand(ai, &cmd, &rsp);
2460 if (rc != SUCCESS) {
2461 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2465 for (i=0; i<MPI_MAX_FIDS; i++) {
2466 memcpy_toio(ai->rxfids[i].card_ram_off,
2467 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2470 /* Alloc card TX descriptors */
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2475 cmd.cmd = CMD_ALLOCATEAUX;
2477 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 ai->txfids[i].tx_desc.valid = 1;
2482 memcpy_toio(ai->txfids[i].card_ram_off,
2483 &ai->txfids[i].tx_desc, sizeof(TxFid));
2485 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2487 rc=issuecommand(ai, &cmd, &rsp);
2488 if (rc != SUCCESS) {
2489 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2493 /* Alloc card Rid descriptor */
2494 memset(&rsp,0,sizeof(rsp));
2495 memset(&cmd,0,sizeof(cmd));
2497 cmd.cmd = CMD_ALLOCATEAUX;
2499 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2500 cmd.parm2 = 1; /* Magic number... */
2501 rc=issuecommand(ai, &cmd, &rsp);
2502 if (rc != SUCCESS) {
2503 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2507 memcpy_toio(ai->config_desc.card_ram_off,
2508 &ai->config_desc.rid_desc, sizeof(Rid));
2514 * We are setting up three things here:
2515 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2516 * 2) Map PCI memory for issueing commands.
2517 * 3) Allocate memory (shared) to send and receive ethernet frames.
2519 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2521 unsigned long mem_start, mem_len, aux_start, aux_len;
2524 dma_addr_t busaddroff;
2525 unsigned char *vpackoff;
2526 unsigned char __iomem *pciaddroff;
2528 mem_start = pci_resource_start(pci, 1);
2529 mem_len = pci_resource_len(pci, 1);
2530 aux_start = pci_resource_start(pci, 2);
2531 aux_len = AUXMEMSIZE;
2533 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2534 airo_print_err("", "Couldn't get region %x[%x]",
2535 (int)mem_start, (int)mem_len);
2538 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2539 airo_print_err("", "Couldn't get region %x[%x]",
2540 (int)aux_start, (int)aux_len);
2544 ai->pcimem = ioremap(mem_start, mem_len);
2546 airo_print_err("", "Couldn't map region %x[%x]",
2547 (int)mem_start, (int)mem_len);
2550 ai->pciaux = ioremap(aux_start, aux_len);
2552 airo_print_err("", "Couldn't map region %x[%x]",
2553 (int)aux_start, (int)aux_len);
2557 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2558 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2560 airo_print_err("", "Couldn't alloc_consistent %d",
2566 * Setup descriptor RX, TX, CONFIG
2568 busaddroff = ai->shared_dma;
2569 pciaddroff = ai->pciaux + AUX_OFFSET;
2570 vpackoff = ai->shared;
2572 /* RX descriptor setup */
2573 for(i = 0; i < MPI_MAX_FIDS; i++) {
2574 ai->rxfids[i].pending = 0;
2575 ai->rxfids[i].card_ram_off = pciaddroff;
2576 ai->rxfids[i].virtual_host_addr = vpackoff;
2577 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2578 ai->rxfids[i].rx_desc.valid = 1;
2579 ai->rxfids[i].rx_desc.len = PKTSIZE;
2580 ai->rxfids[i].rx_desc.rdy = 0;
2582 pciaddroff += sizeof(RxFid);
2583 busaddroff += PKTSIZE;
2584 vpackoff += PKTSIZE;
2587 /* TX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->txfids[i].card_ram_off = pciaddroff;
2590 ai->txfids[i].virtual_host_addr = vpackoff;
2591 ai->txfids[i].tx_desc.valid = 1;
2592 ai->txfids[i].tx_desc.host_addr = busaddroff;
2593 memcpy(ai->txfids[i].virtual_host_addr,
2594 &wifictlhdr8023, sizeof(wifictlhdr8023));
2596 pciaddroff += sizeof(TxFid);
2597 busaddroff += PKTSIZE;
2598 vpackoff += PKTSIZE;
2600 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2602 /* Rid descriptor setup */
2603 ai->config_desc.card_ram_off = pciaddroff;
2604 ai->config_desc.virtual_host_addr = vpackoff;
2605 ai->config_desc.rid_desc.host_addr = busaddroff;
2606 ai->ridbus = busaddroff;
2607 ai->config_desc.rid_desc.rid = 0;
2608 ai->config_desc.rid_desc.len = RIDSIZE;
2609 ai->config_desc.rid_desc.valid = 1;
2610 pciaddroff += sizeof(Rid);
2611 busaddroff += RIDSIZE;
2612 vpackoff += RIDSIZE;
2614 /* Tell card about descriptors */
2615 if (mpi_init_descriptors (ai) != SUCCESS)
2620 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2622 iounmap(ai->pciaux);
2624 iounmap(ai->pcimem);
2626 release_mem_region(aux_start, aux_len);
2628 release_mem_region(mem_start, mem_len);
2633 static const struct header_ops airo_header_ops = {
2634 .parse = wll_header_parse,
2637 static void wifi_setup(struct net_device *dev)
2639 dev->header_ops = &airo_header_ops;
2640 dev->hard_start_xmit = &airo_start_xmit11;
2641 dev->get_stats = &airo_get_stats;
2642 dev->set_mac_address = &airo_set_mac_address;
2643 dev->do_ioctl = &airo_ioctl;
2644 dev->wireless_handlers = &airo_handler_def;
2645 dev->change_mtu = &airo_change_mtu;
2646 dev->open = &airo_open;
2647 dev->stop = &airo_close;
2649 dev->type = ARPHRD_IEEE80211;
2650 dev->hard_header_len = ETH_HLEN;
2651 dev->mtu = AIRO_DEF_MTU;
2652 dev->addr_len = ETH_ALEN;
2653 dev->tx_queue_len = 100;
2655 memset(dev->broadcast,0xFF, ETH_ALEN);
2657 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2660 static struct net_device *init_wifidev(struct airo_info *ai,
2661 struct net_device *ethdev)
2664 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2667 dev->priv = ethdev->priv;
2668 dev->irq = ethdev->irq;
2669 dev->base_addr = ethdev->base_addr;
2670 dev->wireless_data = ethdev->wireless_data;
2671 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2672 err = register_netdev(dev);
2680 static int reset_card( struct net_device *dev , int lock) {
2681 struct airo_info *ai = dev->priv;
2683 if (lock && down_interruptible(&ai->sem))
2686 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2695 #define AIRO_MAX_NETWORK_COUNT 64
2696 static int airo_networks_allocate(struct airo_info *ai)
2702 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2704 if (!ai->networks) {
2705 airo_print_warn("", "Out of memory allocating beacons");
2712 static void airo_networks_free(struct airo_info *ai)
2714 kfree(ai->networks);
2715 ai->networks = NULL;
2718 static void airo_networks_initialize(struct airo_info *ai)
2722 INIT_LIST_HEAD(&ai->network_free_list);
2723 INIT_LIST_HEAD(&ai->network_list);
2724 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2725 list_add_tail(&ai->networks[i].list,
2726 &ai->network_free_list);
2729 static int airo_test_wpa_capable(struct airo_info *ai)
2732 CapabilityRid cap_rid;
2734 status = readCapabilityRid(ai, &cap_rid, 1);
2735 if (status != SUCCESS) return 0;
2737 /* Only firmware versions 5.30.17 or better can do WPA */
2738 if (le16_to_cpu(cap_rid.softVer) > 0x530
2739 || (le16_to_cpu(cap_rid.softVer) == 0x530
2740 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2741 airo_print_info("", "WPA is supported.");
2745 /* No WPA support */
2746 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2747 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2751 static struct net_device *_init_airo_card( unsigned short irq, int port,
2752 int is_pcmcia, struct pci_dev *pci,
2753 struct device *dmdev )
2755 struct net_device *dev;
2756 struct airo_info *ai;
2758 DECLARE_MAC_BUF(mac);
2760 /* Create the network device object. */
2761 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2763 airo_print_err("", "Couldn't alloc_etherdev");
2769 ai->flags = 1 << FLAG_RADIO_DOWN;
2772 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2773 airo_print_dbg("", "Found an MPI350 card");
2774 set_bit(FLAG_MPI, &ai->flags);
2776 spin_lock_init(&ai->aux_lock);
2777 sema_init(&ai->sem, 1);
2780 init_waitqueue_head (&ai->thr_wait);
2784 if (airo_networks_allocate (ai))
2786 airo_networks_initialize (ai);
2788 /* The Airo-specific entries in the device structure. */
2789 if (test_bit(FLAG_MPI,&ai->flags)) {
2790 skb_queue_head_init (&ai->txq);
2791 dev->hard_start_xmit = &mpi_start_xmit;
2793 dev->hard_start_xmit = &airo_start_xmit;
2794 dev->get_stats = &airo_get_stats;
2795 dev->set_multicast_list = &airo_set_multicast_list;
2796 dev->set_mac_address = &airo_set_mac_address;
2797 dev->do_ioctl = &airo_ioctl;
2798 dev->wireless_handlers = &airo_handler_def;
2799 ai->wireless_data.spy_data = &ai->spy_data;
2800 dev->wireless_data = &ai->wireless_data;
2801 dev->change_mtu = &airo_change_mtu;
2802 dev->open = &airo_open;
2803 dev->stop = &airo_close;
2805 dev->base_addr = port;
2807 SET_NETDEV_DEV(dev, dmdev);
2809 reset_card (dev, 1);
2813 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2815 airo_print_err(dev->name, "Couldn't request region");
2820 if (test_bit(FLAG_MPI,&ai->flags)) {
2821 if (mpi_map_card(ai, pci)) {
2822 airo_print_err("", "Could not map memory");
2828 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2829 airo_print_err(dev->name, "MAC could not be enabled" );
2833 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2834 ai->bap_read = fast_bap_read;
2835 set_bit(FLAG_FLASHING, &ai->flags);
2838 /* Test for WPA support */
2839 if (airo_test_wpa_capable(ai)) {
2840 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2841 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2842 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2843 ai->bssListRidLen = sizeof(BSSListRid);
2845 ai->bssListFirst = RID_BSSLISTFIRST;
2846 ai->bssListNext = RID_BSSLISTNEXT;
2847 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2850 strcpy(dev->name, "eth%d");
2851 rc = register_netdev(dev);
2853 airo_print_err(dev->name, "Couldn't register_netdev");
2856 ai->wifidev = init_wifidev(ai, dev);
2860 set_bit(FLAG_REGISTERED,&ai->flags);
2861 airo_print_info(dev->name, "MAC enabled %s",
2862 print_mac(mac, dev->dev_addr));
2864 /* Allocate the transmit buffers */
2865 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2866 for( i = 0; i < MAX_FIDS; i++ )
2867 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2869 if (setup_proc_entry(dev, dev->priv) < 0)
2875 unregister_netdev(ai->wifidev);
2876 free_netdev(ai->wifidev);
2878 unregister_netdev(dev);
2880 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2881 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2882 iounmap(ai->pciaux);
2883 iounmap(ai->pcimem);
2884 mpi_unmap_card(ai->pci);
2888 release_region( dev->base_addr, 64 );
2890 airo_networks_free(ai);
2897 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2898 struct device *dmdev)
2900 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2903 EXPORT_SYMBOL(init_airo_card);
2905 static int waitbusy (struct airo_info *ai) {
2907 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2909 if ((++delay % 20) == 0)
2910 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2912 return delay < 10000;
2915 int reset_airo_card( struct net_device *dev )
2918 struct airo_info *ai = dev->priv;
2919 DECLARE_MAC_BUF(mac);
2921 if (reset_card (dev, 1))
2924 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2925 airo_print_err(dev->name, "MAC could not be enabled");
2928 airo_print_info(dev->name, "MAC enabled %s",
2929 print_mac(mac, dev->dev_addr));
2930 /* Allocate the transmit buffers if needed */
2931 if (!test_bit(FLAG_MPI,&ai->flags))
2932 for( i = 0; i < MAX_FIDS; i++ )
2933 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2935 enable_interrupts( ai );
2936 netif_wake_queue(dev);
2940 EXPORT_SYMBOL(reset_airo_card);
2942 static void airo_send_event(struct net_device *dev) {
2943 struct airo_info *ai = dev->priv;
2944 union iwreq_data wrqu;
2945 StatusRid status_rid;
2947 clear_bit(JOB_EVENT, &ai->jobs);
2948 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2950 wrqu.data.length = 0;
2951 wrqu.data.flags = 0;
2952 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2953 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2955 /* Send event to user space */
2956 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2959 static void airo_process_scan_results (struct airo_info *ai) {
2960 union iwreq_data wrqu;
2963 BSSListElement * loop_net;
2964 BSSListElement * tmp_net;
2966 /* Blow away current list of scan results */
2967 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2968 list_move_tail (&loop_net->list, &ai->network_free_list);
2969 /* Don't blow away ->list, just BSS data */
2970 memset (loop_net, 0, sizeof (loop_net->bss));
2973 /* Try to read the first entry of the scan result */
2974 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2975 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2976 /* No scan results */
2980 /* Read and parse all entries */
2982 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2983 /* Grab a network off the free list */
2984 if (!list_empty(&ai->network_free_list)) {
2985 tmp_net = list_entry(ai->network_free_list.next,
2986 BSSListElement, list);
2987 list_del(ai->network_free_list.next);
2990 if (tmp_net != NULL) {
2991 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2992 list_add_tail(&tmp_net->list, &ai->network_list);
2996 /* Read next entry */
2997 rc = PC4500_readrid(ai, ai->bssListNext,
2998 &bss, ai->bssListRidLen, 0);
3002 ai->scan_timeout = 0;
3003 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3006 /* Send an empty event to user space.
3007 * We don't send the received data on
3008 * the event because it would require
3009 * us to do complex transcoding, and
3010 * we want to minimise the work done in
3011 * the irq handler. Use a request to
3012 * extract the data - Jean II */
3013 wrqu.data.length = 0;
3014 wrqu.data.flags = 0;
3015 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3018 static int airo_thread(void *data) {
3019 struct net_device *dev = data;
3020 struct airo_info *ai = dev->priv;
3025 /* make swsusp happy with our thread */
3028 if (test_bit(JOB_DIE, &ai->jobs))
3032 locked = down_interruptible(&ai->sem);
3036 init_waitqueue_entry(&wait, current);
3037 add_wait_queue(&ai->thr_wait, &wait);
3039 set_current_state(TASK_INTERRUPTIBLE);
3042 if (ai->expires || ai->scan_timeout) {
3043 if (ai->scan_timeout &&
3044 time_after_eq(jiffies,ai->scan_timeout)){
3045 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3047 } else if (ai->expires &&
3048 time_after_eq(jiffies,ai->expires)){
3049 set_bit(JOB_AUTOWEP, &ai->jobs);
3052 if (!kthread_should_stop() &&
3053 !freezing(current)) {
3054 unsigned long wake_at;
3055 if (!ai->expires || !ai->scan_timeout) {
3056 wake_at = max(ai->expires,
3059 wake_at = min(ai->expires,
3062 schedule_timeout(wake_at - jiffies);
3065 } else if (!kthread_should_stop() &&
3066 !freezing(current)) {
3072 current->state = TASK_RUNNING;
3073 remove_wait_queue(&ai->thr_wait, &wait);
3080 if (test_bit(JOB_DIE, &ai->jobs)) {
3085 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3090 if (test_bit(JOB_XMIT, &ai->jobs))
3092 else if (test_bit(JOB_XMIT11, &ai->jobs))
3093 airo_end_xmit11(dev);
3094 else if (test_bit(JOB_STATS, &ai->jobs))
3095 airo_read_stats(ai);
3096 else if (test_bit(JOB_WSTATS, &ai->jobs))
3097 airo_read_wireless_stats(ai);
3098 else if (test_bit(JOB_PROMISC, &ai->jobs))
3099 airo_set_promisc(ai);
3100 else if (test_bit(JOB_MIC, &ai->jobs))
3102 else if (test_bit(JOB_EVENT, &ai->jobs))
3103 airo_send_event(dev);
3104 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3106 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3107 airo_process_scan_results(ai);
3108 else /* Shouldn't get here, but we make sure to unlock */
3115 static int header_len(__le16 ctl)
3117 u16 fc = le16_to_cpu(ctl);
3120 if ((fc & 0xe0) == 0xc0)
3121 return 10; /* one-address control packet */
3122 return 16; /* two-address control packet */
3124 if ((fc & 0x300) == 0x300)
3125 return 30; /* WDS packet */
3130 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3132 struct net_device *dev = dev_id;
3135 struct airo_info *apriv = dev->priv;
3136 u16 savedInterrupts = 0;
3139 if (!netif_device_present(dev))
3143 status = IN4500( apriv, EVSTAT );
3144 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3148 if ( status & EV_AWAKE ) {
3149 OUT4500( apriv, EVACK, EV_AWAKE );
3150 OUT4500( apriv, EVACK, EV_AWAKE );
3153 if (!savedInterrupts) {
3154 savedInterrupts = IN4500( apriv, EVINTEN );
3155 OUT4500( apriv, EVINTEN, 0 );
3158 if ( status & EV_MIC ) {
3159 OUT4500( apriv, EVACK, EV_MIC );
3160 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3161 set_bit(JOB_MIC, &apriv->jobs);
3162 wake_up_interruptible(&apriv->thr_wait);
3165 if ( status & EV_LINK ) {
3166 union iwreq_data wrqu;
3167 int scan_forceloss = 0;
3168 /* The link status has changed, if you want to put a
3169 monitor hook in, do it here. (Remember that
3170 interrupts are still disabled!)
3172 u16 newStatus = IN4500(apriv, LINKSTAT);
3173 OUT4500( apriv, EVACK, EV_LINK);
3174 /* Here is what newStatus means: */
3175 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3176 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3177 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3178 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3179 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3180 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3181 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3182 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3184 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3186 #define ASSOCIATED 0x0400 /* Associated */
3187 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3188 #define RC_RESERVED 0 /* Reserved return code */
3189 #define RC_NOREASON 1 /* Unspecified reason */
3190 #define RC_AUTHINV 2 /* Previous authentication invalid */
3191 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3193 #define RC_NOACT 4 /* Disassociated due to inactivity */
3194 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3195 all currently associated stations */
3196 #define RC_BADCLASS2 6 /* Class 2 frame received from
3197 non-Authenticated station */
3198 #define RC_BADCLASS3 7 /* Class 3 frame received from
3199 non-Associated station */
3200 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3202 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3203 Authenticated with the responding station */
3204 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3206 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3209 if (apriv->list_bss_task)
3210 wake_up_process(apriv->list_bss_task);
3211 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3212 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3214 if (down_trylock(&apriv->sem) != 0) {
3215 set_bit(JOB_EVENT, &apriv->jobs);
3216 wake_up_interruptible(&apriv->thr_wait);
3218 airo_send_event(dev);
3219 } else if (!scan_forceloss) {
3220 if (auto_wep && !apriv->expires) {
3221 apriv->expires = RUN_AT(3*HZ);
3222 wake_up_interruptible(&apriv->thr_wait);
3225 /* Send event to user space */
3226 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3227 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3228 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3232 /* Check to see if there is something to receive */
3233 if ( status & EV_RX ) {
3234 struct sk_buff *skb = NULL;
3236 u16 len, hdrlen = 0;
3250 if (test_bit(FLAG_MPI,&apriv->flags)) {
3251 if (test_bit(FLAG_802_11, &apriv->flags))
3252 mpi_receive_802_11(apriv);
3254 mpi_receive_802_3(apriv);
3255 OUT4500(apriv, EVACK, EV_RX);
3259 fid = IN4500( apriv, RXFID );
3261 /* Get the packet length */
3262 if (test_bit(FLAG_802_11, &apriv->flags)) {
3263 bap_setup (apriv, fid, 4, BAP0);
3264 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3265 /* Bad CRC. Ignore packet */
3266 if (le16_to_cpu(hdr.status) & 2)
3268 if (apriv->wifidev == NULL)
3271 bap_setup (apriv, fid, 0x36, BAP0);
3272 bap_read (apriv, &hdr.len, 2, BAP0);
3274 len = le16_to_cpu(hdr.len);
3276 if (len > AIRO_DEF_MTU) {
3277 airo_print_err(apriv->dev->name, "Bad size %d", len);
3283 if (test_bit(FLAG_802_11, &apriv->flags)) {
3284 bap_read (apriv, &fc, sizeof(fc), BAP0);
3285 hdrlen = header_len(fc);
3287 hdrlen = ETH_ALEN * 2;
3289 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3291 apriv->stats.rx_dropped++;
3294 skb_reserve(skb, 2); /* This way the IP header is aligned */
3295 buffer = (__le16*)skb_put (skb, len + hdrlen);
3296 if (test_bit(FLAG_802_11, &apriv->flags)) {
3298 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3300 bap_read (apriv, tmpbuf, 6, BAP0);
3302 bap_read (apriv, &v, sizeof(v), BAP0);
3303 gap = le16_to_cpu(v);
3306 bap_read (apriv, tmpbuf, gap, BAP0);
3308 airo_print_err(apriv->dev->name, "gaplen too "
3309 "big. Problems will follow...");
3312 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3315 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3316 if (apriv->micstats.enabled) {
3317 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3318 if (ntohs(micbuf.typelen) > 0x05DC)
3319 bap_setup (apriv, fid, 0x44, BAP0);
3321 if (len <= sizeof(micbuf))
3324 len -= sizeof(micbuf);
3325 skb_trim (skb, len + hdrlen);
3328 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3329 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3331 dev_kfree_skb_irq (skb);
3333 OUT4500( apriv, EVACK, EV_RX);
3338 if (apriv->spy_data.spy_number > 0) {
3340 struct iw_quality wstats;
3341 /* Prepare spy data : addr + qual */
3342 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3343 sa = (char*)buffer + 6;
3344 bap_setup (apriv, fid, 8, BAP0);
3345 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3347 sa = (char*)buffer + 10;
3348 wstats.qual = hdr.rssi[0];
3350 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3352 wstats.level = (hdr.rssi[1] + 321) / 2;
3353 wstats.noise = apriv->wstats.qual.noise;
3354 wstats.updated = IW_QUAL_LEVEL_UPDATED
3355 | IW_QUAL_QUAL_UPDATED
3357 /* Update spy records */
3358 wireless_spy_update(dev, sa, &wstats);
3360 #endif /* WIRELESS_SPY */
3361 OUT4500( apriv, EVACK, EV_RX);
3363 if (test_bit(FLAG_802_11, &apriv->flags)) {
3364 skb_reset_mac_header(skb);
3365 skb->pkt_type = PACKET_OTHERHOST;
3366 skb->dev = apriv->wifidev;
3367 skb->protocol = htons(ETH_P_802_2);
3369 skb->protocol = eth_type_trans(skb,dev);
3370 skb->dev->last_rx = jiffies;
3371 skb->ip_summed = CHECKSUM_NONE;
3377 /* Check to see if a packet has been transmitted */
3378 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3383 if (test_bit(FLAG_MPI,&apriv->flags)) {
3384 unsigned long flags;
3386 if (status & EV_TXEXC)
3387 get_tx_error(apriv, -1);
3388 spin_lock_irqsave(&apriv->aux_lock, flags);
3389 if (!skb_queue_empty(&apriv->txq)) {
3390 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3391 mpi_send_packet (dev);
3393 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3394 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3395 netif_wake_queue (dev);
3397 OUT4500( apriv, EVACK,
3398 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3402 fid = IN4500(apriv, TXCOMPLFID);
3404 for( i = 0; i < MAX_FIDS; i++ ) {
3405 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3406 len = apriv->fids[i] >> 16;
3411 if (status & EV_TXEXC)
3412 get_tx_error(apriv, index);
3413 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3414 /* Set up to be used again */
3415 apriv->fids[index] &= 0xffff;
3416 if (index < MAX_FIDS / 2) {
3417 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3418 netif_wake_queue(dev);
3420 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3421 netif_wake_queue(apriv->wifidev);
3424 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3425 airo_print_err(apriv->dev->name, "Unallocated FID was "
3430 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3431 airo_print_warn(apriv->dev->name, "Got weird status %x",
3432 status & ~STATUS_INTS & ~IGNORE_INTS );
3435 if (savedInterrupts)
3436 OUT4500( apriv, EVINTEN, savedInterrupts );
3439 return IRQ_RETVAL(handled);
3443 * Routines to talk to the card
3447 * This was originally written for the 4500, hence the name
3448 * NOTE: If use with 8bit mode and SMP bad things will happen!
3449 * Why would some one do 8 bit IO in an SMP machine?!?
3451 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3452 if (test_bit(FLAG_MPI,&ai->flags))
3455 outw( val, ai->dev->base_addr + reg );
3457 outb( val & 0xff, ai->dev->base_addr + reg );
3458 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3462 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3465 if (test_bit(FLAG_MPI,&ai->flags))
3468 rc = inw( ai->dev->base_addr + reg );
3470 rc = inb( ai->dev->base_addr + reg );
3471 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3476 static int enable_MAC(struct airo_info *ai, int lock)
3482 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3483 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3484 * Note : we could try to use !netif_running(dev) in enable_MAC()
3485 * instead of this flag, but I don't trust it *within* the
3486 * open/close functions, and testing both flags together is
3487 * "cheaper" - Jean II */
3488 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3490 if (lock && down_interruptible(&ai->sem))
3491 return -ERESTARTSYS;
3493 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3494 memset(&cmd, 0, sizeof(cmd));
3495 cmd.cmd = MAC_ENABLE;
3496 rc = issuecommand(ai, &cmd, &rsp);
3498 set_bit(FLAG_ENABLED, &ai->flags);
3506 airo_print_err(ai->dev->name, "Cannot enable MAC");
3507 else if ((rsp.status & 0xFF00) != 0) {
3508 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3509 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3515 static void disable_MAC( struct airo_info *ai, int lock ) {
3519 if (lock && down_interruptible(&ai->sem))
3522 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3523 memset(&cmd, 0, sizeof(cmd));
3524 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3525 issuecommand(ai, &cmd, &rsp);
3526 clear_bit(FLAG_ENABLED, &ai->flags);
3532 static void enable_interrupts( struct airo_info *ai ) {
3533 /* Enable the interrupts */
3534 OUT4500( ai, EVINTEN, STATUS_INTS );
3537 static void disable_interrupts( struct airo_info *ai ) {
3538 OUT4500( ai, EVINTEN, 0 );
3541 static void mpi_receive_802_3(struct airo_info *ai)
3545 struct sk_buff *skb;
3550 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3551 /* Make sure we got something */
3552 if (rxd.rdy && rxd.valid == 0) {
3554 if (len < 12 || len > 2048)
3557 skb = dev_alloc_skb(len);
3559 ai->stats.rx_dropped++;
3562 buffer = skb_put(skb,len);
3563 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3564 if (ai->micstats.enabled) {
3566 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3568 if (ntohs(micbuf.typelen) <= 0x05DC) {
3569 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3572 off = sizeof(micbuf);
3573 skb_trim (skb, len - off);
3576 memcpy(buffer + ETH_ALEN * 2,
3577 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3578 len - ETH_ALEN * 2 - off);
3579 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3581 dev_kfree_skb_irq (skb);
3585 if (ai->spy_data.spy_number > 0) {
3587 struct iw_quality wstats;
3588 /* Prepare spy data : addr + qual */
3589 sa = buffer + ETH_ALEN;
3590 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3593 /* Update spy records */
3594 wireless_spy_update(ai->dev, sa, &wstats);
3596 #endif /* WIRELESS_SPY */
3598 skb->ip_summed = CHECKSUM_NONE;
3599 skb->protocol = eth_type_trans(skb, ai->dev);
3600 skb->dev->last_rx = jiffies;
3604 if (rxd.valid == 0) {
3608 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3612 void mpi_receive_802_11 (struct airo_info *ai)
3615 struct sk_buff *skb = NULL;
3616 u16 len, hdrlen = 0;
3629 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3631 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3632 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3634 /* Bad CRC. Ignore packet */
3635 if (le16_to_cpu(hdr.status) & 2)
3637 if (ai->wifidev == NULL)
3639 len = le16_to_cpu(hdr.len);
3640 if (len > AIRO_DEF_MTU) {
3641 airo_print_err(ai->dev->name, "Bad size %d", len);
3647 fc = get_unaligned((__le16 *)ptr);
3648 hdrlen = header_len(fc);
3650 skb = dev_alloc_skb( len + hdrlen + 2 );
3652 ai->stats.rx_dropped++;
3655 buffer = (u16*)skb_put (skb, len + hdrlen);
3656 memcpy ((char *)buffer, ptr, hdrlen);
3660 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3661 ptr += sizeof(__le16);
3666 airo_print_err(ai->dev->name,
3667 "gaplen too big. Problems will follow...");
3669 memcpy ((char *)buffer + hdrlen, ptr, len);
3671 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3672 if (ai->spy_data.spy_number > 0) {
3674 struct iw_quality wstats;
3675 /* Prepare spy data : addr + qual */
3676 sa = (char*)buffer + 10;
3677 wstats.qual = hdr.rssi[0];
3679 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3681 wstats.level = (hdr.rssi[1] + 321) / 2;
3682 wstats.noise = ai->wstats.qual.noise;
3683 wstats.updated = IW_QUAL_QUAL_UPDATED
3684 | IW_QUAL_LEVEL_UPDATED
3686 /* Update spy records */
3687 wireless_spy_update(ai->dev, sa, &wstats);
3689 #endif /* IW_WIRELESS_SPY */
3690 skb_reset_mac_header(skb);
3691 skb->pkt_type = PACKET_OTHERHOST;
3692 skb->dev = ai->wifidev;
3693 skb->protocol = htons(ETH_P_802_2);
3694 skb->dev->last_rx = jiffies;
3695 skb->ip_summed = CHECKSUM_NONE;
3698 if (rxd.valid == 0) {
3702 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3706 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3717 memset( &mySsid, 0, sizeof( mySsid ) );
3721 /* The NOP is the first step in getting the card going */
3723 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3724 if (lock && down_interruptible(&ai->sem))
3726 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3731 disable_MAC( ai, 0);
3733 // Let's figure out if we need to use the AUX port
3734 if (!test_bit(FLAG_MPI,&ai->flags)) {
3735 cmd.cmd = CMD_ENABLEAUX;
3736 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3739 airo_print_err(ai->dev->name, "Error checking for AUX port");
3742 if (!aux_bap || rsp.status & 0xff00) {
3743 ai->bap_read = fast_bap_read;
3744 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3746 ai->bap_read = aux_bap_read;
3747 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3752 if (ai->config.len == 0) {
3753 tdsRssiRid rssi_rid;
3754 CapabilityRid cap_rid;
3760 // general configuration (read/modify/write)
3761 status = readConfigRid(ai, lock);
3762 if ( status != SUCCESS ) return ERROR;
3764 status = readCapabilityRid(ai, &cap_rid, lock);
3765 if ( status != SUCCESS ) return ERROR;
3767 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3768 if ( status == SUCCESS ) {
3769 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3770 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3775 if (cap_rid.softCap & cpu_to_le16(8))
3776 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3778 airo_print_warn(ai->dev->name, "unknown received signal "
3781 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3782 ai->config.authType = AUTH_OPEN;
3783 ai->config.modulation = MOD_CCK;
3785 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3786 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3787 micsetup(ai) == SUCCESS) {
3788 ai->config.opmode |= MODE_MIC;
3789 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3792 /* Save off the MAC */
3793 for( i = 0; i < ETH_ALEN; i++ ) {
3794 mac[i] = ai->config.macAddr[i];
3797 /* Check to see if there are any insmod configured
3801 memset(ai->config.rates,0,sizeof(ai->config.rates));
3802 for( i = 0; i < 8 && rates[i]; i++ ) {
3803 ai->config.rates[i] = rates[i];
3806 if ( basic_rate > 0 ) {
3808 for( i = 0; i < 8; i++ ) {
3809 if ( ai->config.rates[i] == basic_rate ||
3810 !ai->config.rates ) {
3811 ai->config.rates[i] = basic_rate | 0x80;
3816 set_bit (FLAG_COMMIT, &ai->flags);
3819 /* Setup the SSIDs if present */
3822 for( i = 0; i < 3 && ssids[i]; i++ ) {
3823 size_t len = strlen(ssids[i]);
3826 mySsid.ssids[i].len = cpu_to_le16(len);
3827 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3829 mySsid.len = cpu_to_le16(sizeof(mySsid));
3832 status = writeConfigRid(ai, lock);
3833 if ( status != SUCCESS ) return ERROR;
3835 /* Set up the SSID list */
3837 status = writeSsidRid(ai, &mySsid, lock);
3838 if ( status != SUCCESS ) return ERROR;
3841 status = enable_MAC(ai, lock);
3842 if (status != SUCCESS)
3845 /* Grab the initial wep key, we gotta save it for auto_wep */
3846 rc = readWepKeyRid(ai, &wkr, 1, lock);
3847 if (rc == SUCCESS) do {
3848 lastindex = wkr.kindex;
3849 if (wkr.kindex == cpu_to_le16(0xffff)) {
3850 ai->defindex = wkr.mac[0];
3852 rc = readWepKeyRid(ai, &wkr, 0, lock);
3853 } while(lastindex != wkr.kindex);
3860 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3861 // Im really paranoid about letting it run forever!
3862 int max_tries = 600000;
3864 if (IN4500(ai, EVSTAT) & EV_CMD)
3865 OUT4500(ai, EVACK, EV_CMD);
3867 OUT4500(ai, PARAM0, pCmd->parm0);
3868 OUT4500(ai, PARAM1, pCmd->parm1);
3869 OUT4500(ai, PARAM2, pCmd->parm2);
3870 OUT4500(ai, COMMAND, pCmd->cmd);
3872 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3873 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3874 // PC4500 didn't notice command, try again
3875 OUT4500(ai, COMMAND, pCmd->cmd);
3876 if (!in_atomic() && (max_tries & 255) == 0)
3880 if ( max_tries == -1 ) {
3881 airo_print_err(ai->dev->name,
3882 "Max tries exceeded when issueing command");
3883 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3884 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3888 // command completed
3889 pRsp->status = IN4500(ai, STATUS);
3890 pRsp->rsp0 = IN4500(ai, RESP0);
3891 pRsp->rsp1 = IN4500(ai, RESP1);
3892 pRsp->rsp2 = IN4500(ai, RESP2);
3893 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3894 airo_print_err(ai->dev->name,
3895 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3896 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3899 // clear stuck command busy if necessary
3900 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3901 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3903 // acknowledge processing the status/response
3904 OUT4500(ai, EVACK, EV_CMD);
3909 /* Sets up the bap to start exchange data. whichbap should
3910 * be one of the BAP0 or BAP1 defines. Locks should be held before
3912 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3917 OUT4500(ai, SELECT0+whichbap, rid);
3918 OUT4500(ai, OFFSET0+whichbap, offset);
3920 int status = IN4500(ai, OFFSET0+whichbap);
3921 if (status & BAP_BUSY) {
3922 /* This isn't really a timeout, but its kinda
3927 } else if ( status & BAP_ERR ) {
3928 /* invalid rid or offset */
3929 airo_print_err(ai->dev->name, "BAP error %x %d",
3932 } else if (status & BAP_DONE) { // success
3935 if ( !(max_tries--) ) {
3936 airo_print_err(ai->dev->name,
3937 "BAP setup error too many retries\n");
3940 // -- PC4500 missed it, try again
3941 OUT4500(ai, SELECT0+whichbap, rid);
3942 OUT4500(ai, OFFSET0+whichbap, offset);
3947 /* should only be called by aux_bap_read. This aux function and the
3948 following use concepts not documented in the developers guide. I
3949 got them from a patch given to my by Aironet */
3950 static u16 aux_setup(struct airo_info *ai, u16 page,
3951 u16 offset, u16 *len)
3955 OUT4500(ai, AUXPAGE, page);
3956 OUT4500(ai, AUXOFF, 0);
3957 next = IN4500(ai, AUXDATA);
3958 *len = IN4500(ai, AUXDATA)&0xff;
3959 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3963 /* requires call to bap_setup() first */
3964 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3965 int bytelen, int whichbap)
3973 unsigned long flags;
3975 spin_lock_irqsave(&ai->aux_lock, flags);
3976 page = IN4500(ai, SWS0+whichbap);
3977 offset = IN4500(ai, SWS2+whichbap);
3978 next = aux_setup(ai, page, offset, &len);
3979 words = (bytelen+1)>>1;
3981 for (i=0; i<words;) {
3983 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3985 insw( ai->dev->base_addr+DATA0+whichbap,
3988 insb( ai->dev->base_addr+DATA0+whichbap,
3989 pu16Dst+i, count << 1 );
3992 next = aux_setup(ai, next, 4, &len);
3995 spin_unlock_irqrestore(&ai->aux_lock, flags);
4000 /* requires call to bap_setup() first */
4001 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4002 int bytelen, int whichbap)
4004 bytelen = (bytelen + 1) & (~1); // round up to even value
4006 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4008 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4012 /* requires call to bap_setup() first */
4013 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4014 int bytelen, int whichbap)
4016 bytelen = (bytelen + 1) & (~1); // round up to even value
4018 outsw( ai->dev->base_addr+DATA0+whichbap,
4019 pu16Src, bytelen>>1 );
4021 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4025 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4027 Cmd cmd; /* for issuing commands */
4028 Resp rsp; /* response from commands */
4031 memset(&cmd, 0, sizeof(cmd));
4034 status = issuecommand(ai, &cmd, &rsp);
4035 if (status != 0) return status;
4036 if ( (rsp.status & 0x7F00) != 0) {
4037 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4042 /* Note, that we are using BAP1 which is also used by transmit, so
4043 * we must get a lock. */
4044 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4050 if (down_interruptible(&ai->sem))
4053 if (test_bit(FLAG_MPI,&ai->flags)) {
4057 memset(&cmd, 0, sizeof(cmd));
4058 memset(&rsp, 0, sizeof(rsp));
4059 ai->config_desc.rid_desc.valid = 1;
4060 ai->config_desc.rid_desc.len = RIDSIZE;
4061 ai->config_desc.rid_desc.rid = 0;
4062 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4064 cmd.cmd = CMD_ACCESS;
4067 memcpy_toio(ai->config_desc.card_ram_off,
4068 &ai->config_desc.rid_desc, sizeof(Rid));
4070 rc = issuecommand(ai, &cmd, &rsp);
4072 if (rsp.status & 0x7f00)
4075 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4078 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4082 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4086 // read the rid length field
4087 bap_read(ai, pBuf, 2, BAP1);
4088 // length for remaining part of rid
4089 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4092 airo_print_err(ai->dev->name,
4093 "Rid %x has a length of %d which is too short",
4094 (int)rid, (int)len );
4098 // read remainder of the rid
4099 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4107 /* Note, that we are using BAP1 which is also used by transmit, so
4108 * make sure this isnt called when a transmit is happening */
4109 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4110 const void *pBuf, int len, int lock)
4115 *(__le16*)pBuf = cpu_to_le16((u16)len);
4118 if (down_interruptible(&ai->sem))
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4125 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4126 airo_print_err(ai->dev->name,
4127 "%s: MAC should be disabled (rid=%04x)",
4129 memset(&cmd, 0, sizeof(cmd));
4130 memset(&rsp, 0, sizeof(rsp));
4132 ai->config_desc.rid_desc.valid = 1;
4133 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4134 ai->config_desc.rid_desc.rid = 0;
4136 cmd.cmd = CMD_WRITERID;
4139 memcpy_toio(ai->config_desc.card_ram_off,
4140 &ai->config_desc.rid_desc, sizeof(Rid));
4142 if (len < 4 || len > 2047) {
4143 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4146 memcpy((char *)ai->config_desc.virtual_host_addr,
4149 rc = issuecommand(ai, &cmd, &rsp);
4150 if ((rc & 0xff00) != 0) {
4151 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4153 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4154 __FUNCTION__, cmd.cmd);
4157 if ((rsp.status & 0x7f00))
4161 // --- first access so that we can write the rid data
4162 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4166 // --- now write the rid data
4167 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4171 bap_write(ai, pBuf, len, BAP1);
4172 // ---now commit the rid data
4173 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4181 /* Allocates a FID to be used for transmitting packets. We only use
4183 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4185 unsigned int loop = 3000;
4191 cmd.cmd = CMD_ALLOCATETX;
4192 cmd.parm0 = lenPayload;
4193 if (down_interruptible(&ai->sem))
4195 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4199 if ( (rsp.status & 0xFF00) != 0) {
4203 /* wait for the allocate event/indication
4204 * It makes me kind of nervous that this can just sit here and spin,
4205 * but in practice it only loops like four times. */
4206 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4212 // get the allocated fid and acknowledge
4213 txFid = IN4500(ai, TXALLOCFID);
4214 OUT4500(ai, EVACK, EV_ALLOC);
4216 /* The CARD is pretty cool since it converts the ethernet packet
4217 * into 802.11. Also note that we don't release the FID since we
4218 * will be using the same one over and over again. */
4219 /* We only have to setup the control once since we are not
4220 * releasing the fid. */
4222 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4223 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4225 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4226 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4227 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4230 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4238 /* In general BAP1 is dedicated to transmiting packets. However,
4239 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4240 Make sure the BAP1 spinlock is held when this is called. */
4241 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4252 if (len <= ETH_ALEN * 2) {
4253 airo_print_warn(ai->dev->name, "Short packet %d", len);
4256 len -= ETH_ALEN * 2;
4258 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4259 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4260 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4262 miclen = sizeof(pMic);
4264 // packet is destination[6], source[6], payload[len-12]
4265 // write the payload length and dst/src/payload
4266 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4267 /* The hardware addresses aren't counted as part of the payload, so
4268 * we have to subtract the 12 bytes for the addresses off */
4269 payloadLen = cpu_to_le16(len + miclen);
4270 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4271 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4273 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4274 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4275 // issue the transmit command
4276 memset( &cmd, 0, sizeof( cmd ) );
4277 cmd.cmd = CMD_TRANSMIT;
4279 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4280 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4284 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4286 __le16 fc, payloadLen;
4290 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4291 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4295 fc = *(__le16*)pPacket;
4296 hdrlen = header_len(fc);
4299 airo_print_warn(ai->dev->name, "Short packet %d", len);
4303 /* packet is 802.11 header + payload
4304 * write the payload length and dst/src/payload */
4305 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4306 /* The 802.11 header aren't counted as part of the payload, so
4307 * we have to subtract the header bytes off */
4308 payloadLen = cpu_to_le16(len-hdrlen);
4309 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4310 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4311 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4312 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4314 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4315 // issue the transmit command
4316 memset( &cmd, 0, sizeof( cmd ) );
4317 cmd.cmd = CMD_TRANSMIT;
4319 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4320 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4325 * This is the proc_fs routines. It is a bit messier than I would
4326 * like! Feel free to clean it up!
4329 static ssize_t proc_read( struct file *file,
4330 char __user *buffer,
4334 static ssize_t proc_write( struct file *file,
4335 const char __user *buffer,
4338 static int proc_close( struct inode *inode, struct file *file );
4340 static int proc_stats_open( struct inode *inode, struct file *file );
4341 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4342 static int proc_status_open( struct inode *inode, struct file *file );
4343 static int proc_SSID_open( struct inode *inode, struct file *file );
4344 static int proc_APList_open( struct inode *inode, struct file *file );
4345 static int proc_BSSList_open( struct inode *inode, struct file *file );
4346 static int proc_config_open( struct inode *inode, struct file *file );
4347 static int proc_wepkey_open( struct inode *inode, struct file *file );
4349 static const struct file_operations proc_statsdelta_ops = {
4351 .open = proc_statsdelta_open,
4352 .release = proc_close
4355 static const struct file_operations proc_stats_ops = {
4357 .open = proc_stats_open,
4358 .release = proc_close
4361 static const struct file_operations proc_status_ops = {
4363 .open = proc_status_open,
4364 .release = proc_close
4367 static const struct file_operations proc_SSID_ops = {
4369 .write = proc_write,
4370 .open = proc_SSID_open,
4371 .release = proc_close
4374 static const struct file_operations proc_BSSList_ops = {
4376 .write = proc_write,
4377 .open = proc_BSSList_open,
4378 .release = proc_close
4381 static const struct file_operations proc_APList_ops = {
4383 .write = proc_write,
4384 .open = proc_APList_open,
4385 .release = proc_close
4388 static const struct file_operations proc_config_ops = {
4390 .write = proc_write,
4391 .open = proc_config_open,
4392 .release = proc_close
4395 static const struct file_operations proc_wepkey_ops = {
4397 .write = proc_write,
4398 .open = proc_wepkey_open,
4399 .release = proc_close
4402 static struct proc_dir_entry *airo_entry;
4411 void (*on_close) (struct inode *, struct file *);
4415 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4418 static int setup_proc_entry( struct net_device *dev,
4419 struct airo_info *apriv ) {
4420 struct proc_dir_entry *entry;
4421 /* First setup the device directory */
4422 strcpy(apriv->proc_name,dev->name);
4423 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4426 if (!apriv->proc_entry)
4428 apriv->proc_entry->uid = proc_uid;
4429 apriv->proc_entry->gid = proc_gid;
4430 apriv->proc_entry->owner = THIS_MODULE;
4432 /* Setup the StatsDelta */
4433 entry = create_proc_entry("StatsDelta",
4434 S_IFREG | (S_IRUGO&proc_perm),
4437 goto fail_stats_delta;
4438 entry->uid = proc_uid;
4439 entry->gid = proc_gid;
4441 entry->owner = THIS_MODULE;
4442 SETPROC_OPS(entry, proc_statsdelta_ops);
4444 /* Setup the Stats */
4445 entry = create_proc_entry("Stats",
4446 S_IFREG | (S_IRUGO&proc_perm),
4450 entry->uid = proc_uid;
4451 entry->gid = proc_gid;
4453 entry->owner = THIS_MODULE;
4454 SETPROC_OPS(entry, proc_stats_ops);
4456 /* Setup the Status */
4457 entry = create_proc_entry("Status",
4458 S_IFREG | (S_IRUGO&proc_perm),
4462 entry->uid = proc_uid;
4463 entry->gid = proc_gid;
4465 entry->owner = THIS_MODULE;
4466 SETPROC_OPS(entry, proc_status_ops);
4468 /* Setup the Config */
4469 entry = create_proc_entry("Config",
4470 S_IFREG | proc_perm,
4474 entry->uid = proc_uid;
4475 entry->gid = proc_gid;
4477 entry->owner = THIS_MODULE;
4478 SETPROC_OPS(entry, proc_config_ops);
4480 /* Setup the SSID */
4481 entry = create_proc_entry("SSID",
4482 S_IFREG | proc_perm,
4486 entry->uid = proc_uid;
4487 entry->gid = proc_gid;
4489 entry->owner = THIS_MODULE;
4490 SETPROC_OPS(entry, proc_SSID_ops);
4492 /* Setup the APList */
4493 entry = create_proc_entry("APList",
4494 S_IFREG | proc_perm,
4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
4501 entry->owner = THIS_MODULE;
4502 SETPROC_OPS(entry, proc_APList_ops);
4504 /* Setup the BSSList */
4505 entry = create_proc_entry("BSSList",
4506 S_IFREG | proc_perm,
4510 entry->uid = proc_uid;
4511 entry->gid = proc_gid;
4513 entry->owner = THIS_MODULE;
4514 SETPROC_OPS(entry, proc_BSSList_ops);
4516 /* Setup the WepKey */
4517 entry = create_proc_entry("WepKey",
4518 S_IFREG | proc_perm,
4522 entry->uid = proc_uid;
4523 entry->gid = proc_gid;
4525 entry->owner = THIS_MODULE;
4526 SETPROC_OPS(entry, proc_wepkey_ops);
4531 remove_proc_entry("BSSList", apriv->proc_entry);
4533 remove_proc_entry("APList", apriv->proc_entry);
4535 remove_proc_entry("SSID", apriv->proc_entry);
4537 remove_proc_entry("Config", apriv->proc_entry);
4539 remove_proc_entry("Status", apriv->proc_entry);
4541 remove_proc_entry("Stats", apriv->proc_entry);
4543 remove_proc_entry("StatsDelta", apriv->proc_entry);
4545 remove_proc_entry(apriv->proc_name, airo_entry);
4550 static int takedown_proc_entry( struct net_device *dev,
4551 struct airo_info *apriv ) {
4552 if ( !apriv->proc_entry->namelen ) return 0;
4553 remove_proc_entry("Stats",apriv->proc_entry);
4554 remove_proc_entry("StatsDelta",apriv->proc_entry);
4555 remove_proc_entry("Status",apriv->proc_entry);
4556 remove_proc_entry("Config",apriv->proc_entry);
4557 remove_proc_entry("SSID",apriv->proc_entry);
4558 remove_proc_entry("APList",apriv->proc_entry);
4559 remove_proc_entry("BSSList",apriv->proc_entry);
4560 remove_proc_entry("WepKey",apriv->proc_entry);
4561 remove_proc_entry(apriv->proc_name,airo_entry);
4566 * What we want from the proc_fs is to be able to efficiently read
4567 * and write the configuration. To do this, we want to read the
4568 * configuration when the file is opened and write it when the file is
4569 * closed. So basically we allocate a read buffer at open and fill it
4570 * with data, and allocate a write buffer and read it at close.
4574 * The read routine is generic, it relies on the preallocated rbuffer
4575 * to supply the data.
4577 static ssize_t proc_read( struct file *file,
4578 char __user *buffer,
4582 loff_t pos = *offset;
4583 struct proc_data *priv = (struct proc_data*)file->private_data;
4590 if (pos >= priv->readlen)
4592 if (len > priv->readlen - pos)
4593 len = priv->readlen - pos;
4594 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4596 *offset = pos + len;
4601 * The write routine is generic, it fills in a preallocated rbuffer
4602 * to supply the data.
4604 static ssize_t proc_write( struct file *file,
4605 const char __user *buffer,
4609 loff_t pos = *offset;
4610 struct proc_data *priv = (struct proc_data*)file->private_data;
4617 if (pos >= priv->maxwritelen)
4619 if (len > priv->maxwritelen - pos)
4620 len = priv->maxwritelen - pos;
4621 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4623 if ( pos + len > priv->writelen )
4624 priv->writelen = len + file->f_pos;
4625 *offset = pos + len;
4629 static int proc_status_open(struct inode *inode, struct file *file)
4631 struct proc_data *data;
4632 struct proc_dir_entry *dp = PDE(inode);
4633 struct net_device *dev = dp->data;
4634 struct airo_info *apriv = dev->priv;
4635 CapabilityRid cap_rid;
4636 StatusRid status_rid;
4640 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4642 data = (struct proc_data *)file->private_data;
4643 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4644 kfree (file->private_data);
4648 readStatusRid(apriv, &status_rid, 1);
4649 readCapabilityRid(apriv, &cap_rid, 1);
4651 mode = le16_to_cpu(status_rid.mode);
4653 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4654 mode & 1 ? "CFG ": "",
4655 mode & 2 ? "ACT ": "",
4656 mode & 0x10 ? "SYN ": "",
4657 mode & 0x20 ? "LNK ": "",
4658 mode & 0x40 ? "LEAP ": "",
4659 mode & 0x80 ? "PRIV ": "",
4660 mode & 0x100 ? "KEY ": "",
4661 mode & 0x200 ? "WEP ": "",
4662 mode & 0x8000 ? "ERR ": "");
4663 sprintf( data->rbuffer+i, "Mode: %x\n"
4664 "Signal Strength: %d\n"
4665 "Signal Quality: %d\n"
4670 "Driver Version: %s\n"
4671 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4672 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4673 "Software Version: %x\nSoftware Subversion: %x\n"
4674 "Boot block version: %x\n",
4675 le16_to_cpu(status_rid.mode),
4676 le16_to_cpu(status_rid.normalizedSignalStrength),
4677 le16_to_cpu(status_rid.signalQuality),
4678 le16_to_cpu(status_rid.SSIDlen),
4681 le16_to_cpu(status_rid.channel),
4682 le16_to_cpu(status_rid.currentXmitRate) / 2,
4687 le16_to_cpu(cap_rid.radioType),
4688 le16_to_cpu(cap_rid.country),
4689 le16_to_cpu(cap_rid.hardVer),
4690 le16_to_cpu(cap_rid.softVer),
4691 le16_to_cpu(cap_rid.softSubVer),
4692 le16_to_cpu(cap_rid.bootBlockVer));
4693 data->readlen = strlen( data->rbuffer );
4697 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4698 static int proc_statsdelta_open( struct inode *inode,
4699 struct file *file ) {
4700 if (file->f_mode&FMODE_WRITE) {
4701 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4703 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4706 static int proc_stats_open( struct inode *inode, struct file *file ) {
4707 return proc_stats_rid_open(inode, file, RID_STATS);
4710 static int proc_stats_rid_open( struct inode *inode,
4714 struct proc_data *data;
4715 struct proc_dir_entry *dp = PDE(inode);
4716 struct net_device *dev = dp->data;
4717 struct airo_info *apriv = dev->priv;
4720 __le32 *vals = stats.vals;
4721 int len = le16_to_cpu(stats.len);
4723 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4725 data = (struct proc_data *)file->private_data;
4726 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4727 kfree (file->private_data);
4731 readStatsRid(apriv, &stats, rid, 1);
4734 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4735 if (!statsLabels[i]) continue;
4736 if (j+strlen(statsLabels[i])+16>4096) {
4737 airo_print_warn(apriv->dev->name,
4738 "Potentially disasterous buffer overflow averted!");
4741 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4742 le32_to_cpu(vals[i]));
4745 airo_print_warn(apriv->dev->name, "Got a short rid");
4751 static int get_dec_u16( char *buffer, int *start, int limit ) {
4754 for( value = 0; buffer[*start] >= '0' &&
4755 buffer[*start] <= '9' &&
4756 *start < limit; (*start)++ ) {
4759 value += buffer[*start] - '0';
4761 if ( !valid ) return -1;
4765 static int airo_config_commit(struct net_device *dev,
4766 struct iw_request_info *info, void *zwrq,
4769 static inline int sniffing_mode(struct airo_info *ai)
4771 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4772 le16_to_cpu(RXMODE_RFMON);
4775 static void proc_config_on_close(struct inode *inode, struct file *file)
4777 struct proc_data *data = file->private_data;
4778 struct proc_dir_entry *dp = PDE(inode);
4779 struct net_device *dev = dp->data;
4780 struct airo_info *ai = dev->priv;
4783 if ( !data->writelen ) return;
4785 readConfigRid(ai, 1);
4786 set_bit (FLAG_COMMIT, &ai->flags);
4788 line = data->wbuffer;
4790 /*** Mode processing */
4791 if ( !strncmp( line, "Mode: ", 6 ) ) {
4793 if (sniffing_mode(ai))
4794 set_bit (FLAG_RESET, &ai->flags);
4795 ai->config.rmode &= ~RXMODE_FULL_MASK;
4796 clear_bit (FLAG_802_11, &ai->flags);
4797 ai->config.opmode &= ~MODE_CFG_MASK;
4798 ai->config.scanMode = SCANMODE_ACTIVE;
4799 if ( line[0] == 'a' ) {
4800 ai->config.opmode |= MODE_STA_IBSS;
4802 ai->config.opmode |= MODE_STA_ESS;
4803 if ( line[0] == 'r' ) {
4804 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4805 ai->config.scanMode = SCANMODE_PASSIVE;
4806 set_bit (FLAG_802_11, &ai->flags);
4807 } else if ( line[0] == 'y' ) {
4808 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4809 ai->config.scanMode = SCANMODE_PASSIVE;
4810 set_bit (FLAG_802_11, &ai->flags);
4811 } else if ( line[0] == 'l' )
4812 ai->config.rmode |= RXMODE_LANMON;
4814 set_bit (FLAG_COMMIT, &ai->flags);
4817 /*** Radio status */
4818 else if (!strncmp(line,"Radio: ", 7)) {
4820 if (!strncmp(line,"off",3)) {
4821 set_bit (FLAG_RADIO_OFF, &ai->flags);
4823 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4826 /*** NodeName processing */
4827 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4831 memset( ai->config.nodeName, 0, 16 );
4832 /* Do the name, assume a space between the mode and node name */
4833 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4834 ai->config.nodeName[j] = line[j];
4836 set_bit (FLAG_COMMIT, &ai->flags);
4839 /*** PowerMode processing */
4840 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4842 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4843 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4844 set_bit (FLAG_COMMIT, &ai->flags);
4845 } else if ( !strncmp( line, "PSP", 3 ) ) {
4846 ai->config.powerSaveMode = POWERSAVE_PSP;
4847 set_bit (FLAG_COMMIT, &ai->flags);
4849 ai->config.powerSaveMode = POWERSAVE_CAM;
4850 set_bit (FLAG_COMMIT, &ai->flags);
4852 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4853 int v, i = 0, k = 0; /* i is index into line,
4854 k is index to rates */
4857 while((v = get_dec_u16(line, &i, 3))!=-1) {
4858 ai->config.rates[k++] = (u8)v;
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4866 v = get_dec_u16(line, &i, i+3);
4868 ai->config.channelSet = cpu_to_le16(v);
4869 set_bit (FLAG_COMMIT, &ai->flags);
4871 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4874 v = get_dec_u16(line, &i, i+3);
4876 ai->config.txPower = cpu_to_le16(v);
4877 set_bit (FLAG_COMMIT, &ai->flags);
4879 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4883 ai->config.authType = AUTH_SHAREDKEY;
4886 ai->config.authType = AUTH_ENCRYPT;
4889 ai->config.authType = AUTH_OPEN;
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4897 v = get_dec_u16(line, &i, 3);
4898 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4899 ai->config.longRetryLimit = cpu_to_le16(v);
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4905 v = get_dec_u16(line, &i, 3);
4906 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4907 ai->config.shortRetryLimit = cpu_to_le16(v);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4913 v = get_dec_u16(line, &i, 4);
4914 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4915 ai->config.rtsThres = cpu_to_le16(v);
4916 set_bit (FLAG_COMMIT, &ai->flags);
4917 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4921 v = get_dec_u16(line, &i, 5);
4923 ai->config.txLifetime = cpu_to_le16(v);
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4929 v = get_dec_u16(line, &i, 5);
4931 ai->config.rxLifetime = cpu_to_le16(v);
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4934 ai->config.txDiversity =
4935 (line[13]=='l') ? 1 :
4936 ((line[13]=='r')? 2: 3);
4937 set_bit (FLAG_COMMIT, &ai->flags);
4938 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4939 ai->config.rxDiversity =
4940 (line[13]=='l') ? 1 :
4941 ((line[13]=='r')? 2: 3);
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4947 v = get_dec_u16(line, &i, 4);
4948 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4949 v = v & 0xfffe; /* Make sure its even */
4950 ai->config.fragThresh = cpu_to_le16(v);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if (!strncmp(line, "Modulation: ", 12)) {
4955 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4956 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4957 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4958 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4960 } else if (!strncmp(line, "Preamble: ", 10)) {
4963 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4966 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4969 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4971 while( line[0] && line[0] != '\n' ) line++;
4972 if ( line[0] ) line++;
4974 airo_config_commit(dev, NULL, NULL, NULL);
4977 static char *get_rmode(__le16 mode)
4979 switch(mode & RXMODE_MASK) {
4980 case RXMODE_RFMON: return "rfmon";
4981 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4982 case RXMODE_LANMON: return "lanmon";
4987 static int proc_config_open(struct inode *inode, struct file *file)
4989 struct proc_data *data;
4990 struct proc_dir_entry *dp = PDE(inode);
4991 struct net_device *dev = dp->data;
4992 struct airo_info *ai = dev->priv;
4996 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4998 data = (struct proc_data *)file->private_data;
4999 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5000 kfree (file->private_data);
5003 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5004 kfree (data->rbuffer);
5005 kfree (file->private_data);
5008 data->maxwritelen = 2048;
5009 data->on_close = proc_config_on_close;
5011 readConfigRid(ai, 1);
5013 mode = ai->config.opmode & MODE_CFG_MASK;
5014 i = sprintf( data->rbuffer,
5019 "DataRates: %d %d %d %d %d %d %d %d\n"
5022 mode == MODE_STA_IBSS ? "adhoc" :
5023 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5024 mode == MODE_AP ? "AP" :
5025 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5026 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5027 ai->config.nodeName,
5028 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5029 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5030 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5032 (int)ai->config.rates[0],
5033 (int)ai->config.rates[1],
5034 (int)ai->config.rates[2],
5035 (int)ai->config.rates[3],
5036 (int)ai->config.rates[4],
5037 (int)ai->config.rates[5],
5038 (int)ai->config.rates[6],
5039 (int)ai->config.rates[7],
5040 le16_to_cpu(ai->config.channelSet),
5041 le16_to_cpu(ai->config.txPower)
5043 sprintf( data->rbuffer + i,
5044 "LongRetryLimit: %d\n"
5045 "ShortRetryLimit: %d\n"
5046 "RTSThreshold: %d\n"
5047 "TXMSDULifetime: %d\n"
5048 "RXMSDULifetime: %d\n"
5051 "FragThreshold: %d\n"
5055 le16_to_cpu(ai->config.longRetryLimit),
5056 le16_to_cpu(ai->config.shortRetryLimit),
5057 le16_to_cpu(ai->config.rtsThres),
5058 le16_to_cpu(ai->config.txLifetime),
5059 le16_to_cpu(ai->config.rxLifetime),
5060 ai->config.txDiversity == 1 ? "left" :
5061 ai->config.txDiversity == 2 ? "right" : "both",
5062 ai->config.rxDiversity == 1 ? "left" :
5063 ai->config.rxDiversity == 2 ? "right" : "both",
5064 le16_to_cpu(ai->config.fragThresh),
5065 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5066 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5067 ai->config.modulation == MOD_DEFAULT ? "default" :
5068 ai->config.modulation == MOD_CCK ? "cck" :
5069 ai->config.modulation == MOD_MOK ? "mok" : "error",
5070 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5071 ai->config.preamble == PREAMBLE_LONG ? "long" :
5072 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5074 data->readlen = strlen( data->rbuffer );
5078 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5080 struct proc_data *data = (struct proc_data *)file->private_data;
5081 struct proc_dir_entry *dp = PDE(inode);
5082 struct net_device *dev = dp->data;
5083 struct airo_info *ai = dev->priv;
5086 char *p = data->wbuffer;
5087 char *end = p + data->writelen;
5089 if (!data->writelen)
5092 *end = '\n'; /* sentinel; we have space for it */
5094 memset(&SSID_rid, 0, sizeof(SSID_rid));
5096 for (i = 0; i < 3 && p < end; i++) {
5098 /* copy up to 32 characters from this line */
5099 while (*p != '\n' && j < 32)
5100 SSID_rid.ssids[i].ssid[j++] = *p++;
5103 SSID_rid.ssids[i].len = cpu_to_le16(j);
5104 /* skip to the beginning of the next line */
5105 while (*p++ != '\n')
5109 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5111 writeSsidRid(ai, &SSID_rid, 1);
5115 static inline u8 hexVal(char c) {
5116 if (c>='0' && c<='9') return c -= '0';
5117 if (c>='a' && c<='f') return c -= 'a'-10;
5118 if (c>='A' && c<='F') return c -= 'A'-10;
5122 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5123 struct proc_data *data = (struct proc_data *)file->private_data;
5124 struct proc_dir_entry *dp = PDE(inode);
5125 struct net_device *dev = dp->data;
5126 struct airo_info *ai = dev->priv;
5127 APListRid APList_rid;
5130 if ( !data->writelen ) return;
5132 memset( &APList_rid, 0, sizeof(APList_rid) );
5133 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5135 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5137 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5140 APList_rid.ap[i][j/3]=
5141 hexVal(data->wbuffer[j+i*6*3])<<4;
5144 APList_rid.ap[i][j/3]|=
5145 hexVal(data->wbuffer[j+i*6*3]);
5151 writeAPListRid(ai, &APList_rid, 1);
5155 /* This function wraps PC4500_writerid with a MAC disable */
5156 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5157 int len, int dummy ) {
5161 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5166 /* Returns the length of the key at the index. If index == 0xffff
5167 * the index of the transmit key is returned. If the key doesn't exist,
5168 * -1 will be returned.
5170 static int get_wep_key(struct airo_info *ai, u16 index) {
5175 rc = readWepKeyRid(ai, &wkr, 1, 1);
5176 if (rc == SUCCESS) do {
5177 lastindex = wkr.kindex;
5178 if (wkr.kindex == cpu_to_le16(index)) {
5179 if (index == 0xffff) {
5182 return le16_to_cpu(wkr.klen);
5184 readWepKeyRid(ai, &wkr, 0, 1);
5185 } while (lastindex != wkr.kindex);
5189 static int set_wep_key(struct airo_info *ai, u16 index,
5190 const char *key, u16 keylen, int perm, int lock )
5192 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5195 memset(&wkr, 0, sizeof(wkr));
5197 // We are selecting which key to use
5198 wkr.len = cpu_to_le16(sizeof(wkr));
5199 wkr.kindex = cpu_to_le16(0xffff);
5200 wkr.mac[0] = (char)index;
5201 if (perm) ai->defindex = (char)index;
5203 // We are actually setting the key
5204 wkr.len = cpu_to_le16(sizeof(wkr));
5205 wkr.kindex = cpu_to_le16(index);
5206 wkr.klen = cpu_to_le16(keylen);
5207 memcpy( wkr.key, key, keylen );
5208 memcpy( wkr.mac, macaddr, ETH_ALEN );
5211 if (perm) disable_MAC(ai, lock);
5212 writeWepKeyRid(ai, &wkr, perm, lock);
5213 if (perm) enable_MAC(ai, lock);
5217 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5218 struct proc_data *data;
5219 struct proc_dir_entry *dp = PDE(inode);
5220 struct net_device *dev = dp->data;
5221 struct airo_info *ai = dev->priv;
5227 memset(key, 0, sizeof(key));
5229 data = (struct proc_data *)file->private_data;
5230 if ( !data->writelen ) return;
5232 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5233 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5234 index = data->wbuffer[0] - '0';
5235 if (data->wbuffer[1] == '\n') {
5236 set_wep_key(ai, index, NULL, 0, 1, 1);
5241 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5245 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5248 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5251 key[i/3] |= hexVal(data->wbuffer[i+j]);
5255 set_wep_key(ai, index, key, i/3, 1, 1);
5258 static int proc_wepkey_open( struct inode *inode, struct file *file )
5260 struct proc_data *data;
5261 struct proc_dir_entry *dp = PDE(inode);
5262 struct net_device *dev = dp->data;
5263 struct airo_info *ai = dev->priv;
5270 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5272 memset(&wkr, 0, sizeof(wkr));
5273 data = (struct proc_data *)file->private_data;
5274 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5275 kfree (file->private_data);
5279 data->maxwritelen = 80;
5280 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5281 kfree (data->rbuffer);
5282 kfree (file->private_data);
5285 data->on_close = proc_wepkey_on_close;
5287 ptr = data->rbuffer;
5288 strcpy(ptr, "No wep keys\n");
5289 rc = readWepKeyRid(ai, &wkr, 1, 1);
5290 if (rc == SUCCESS) do {
5291 lastindex = wkr.kindex;
5292 if (wkr.kindex == cpu_to_le16(0xffff)) {
5293 j += sprintf(ptr+j, "Tx key = %d\n",
5296 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5297 le16_to_cpu(wkr.kindex),
5298 le16_to_cpu(wkr.klen));
5300 readWepKeyRid(ai, &wkr, 0, 1);
5301 } while((lastindex != wkr.kindex) && (j < 180-30));
5303 data->readlen = strlen( data->rbuffer );
5307 static int proc_SSID_open(struct inode *inode, struct file *file)
5309 struct proc_data *data;
5310 struct proc_dir_entry *dp = PDE(inode);
5311 struct net_device *dev = dp->data;
5312 struct airo_info *ai = dev->priv;
5317 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5319 data = (struct proc_data *)file->private_data;
5320 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5321 kfree (file->private_data);
5325 data->maxwritelen = 33*3;
5326 /* allocate maxwritelen + 1; we'll want a sentinel */
5327 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5328 kfree (data->rbuffer);
5329 kfree (file->private_data);
5332 data->on_close = proc_SSID_on_close;
5334 readSsidRid(ai, &SSID_rid);
5335 ptr = data->rbuffer;
5336 for (i = 0; i < 3; i++) {
5338 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5343 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5344 *ptr++ = SSID_rid.ssids[i].ssid[j];
5348 data->readlen = strlen( data->rbuffer );
5352 static int proc_APList_open( struct inode *inode, struct file *file ) {
5353 struct proc_data *data;
5354 struct proc_dir_entry *dp = PDE(inode);
5355 struct net_device *dev = dp->data;
5356 struct airo_info *ai = dev->priv;
5359 APListRid APList_rid;
5360 DECLARE_MAC_BUF(mac);
5362 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5364 data = (struct proc_data *)file->private_data;
5365 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5366 kfree (file->private_data);
5370 data->maxwritelen = 4*6*3;
5371 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5372 kfree (data->rbuffer);
5373 kfree (file->private_data);
5376 data->on_close = proc_APList_on_close;
5378 readAPListRid(ai, &APList_rid);
5379 ptr = data->rbuffer;
5380 for( i = 0; i < 4; i++ ) {
5381 // We end when we find a zero MAC
5382 if ( !*(int*)APList_rid.ap[i] &&
5383 !*(int*)&APList_rid.ap[i][2]) break;
5384 ptr += sprintf(ptr, "%s\n",
5385 print_mac(mac, APList_rid.ap[i]));
5387 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5390 data->readlen = strlen( data->rbuffer );
5394 static int proc_BSSList_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->priv;
5400 BSSListRid BSSList_rid;
5402 /* If doLoseSync is not 1, we won't do a Lose Sync */
5403 int doLoseSync = -1;
5404 DECLARE_MAC_BUF(mac);
5406 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5408 data = (struct proc_data *)file->private_data;
5409 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5410 kfree (file->private_data);
5414 data->maxwritelen = 0;
5415 data->wbuffer = NULL;
5416 data->on_close = NULL;
5418 if (file->f_mode & FMODE_WRITE) {
5419 if (!(file->f_mode & FMODE_READ)) {
5423 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5424 memset(&cmd, 0, sizeof(cmd));
5425 cmd.cmd=CMD_LISTBSS;
5426 if (down_interruptible(&ai->sem))
5427 return -ERESTARTSYS;
5428 issuecommand(ai, &cmd, &rsp);
5435 ptr = data->rbuffer;
5436 /* There is a race condition here if there are concurrent opens.
5437 Since it is a rare condition, we'll just live with it, otherwise
5438 we have to add a spin lock... */
5439 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5440 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5441 ptr += sprintf(ptr, "%s %*s rssi = %d",
5442 print_mac(mac, BSSList_rid.bssid),
5443 (int)BSSList_rid.ssidLen,
5445 le16_to_cpu(BSSList_rid.dBm));
5446 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5447 le16_to_cpu(BSSList_rid.dsChannel),
5448 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5449 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5450 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5451 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5452 rc = readBSSListRid(ai, 0, &BSSList_rid);
5455 data->readlen = strlen( data->rbuffer );
5459 static int proc_close( struct inode *inode, struct file *file )
5461 struct proc_data *data = file->private_data;
5463 if (data->on_close != NULL)
5464 data->on_close(inode, file);
5465 kfree(data->rbuffer);
5466 kfree(data->wbuffer);
5471 /* Since the card doesn't automatically switch to the right WEP mode,
5472 we will make it do it. If the card isn't associated, every secs we
5473 will switch WEP modes to see if that will help. If the card is
5474 associated we will check every minute to see if anything has
5476 static void timer_func( struct net_device *dev ) {
5477 struct airo_info *apriv = dev->priv;
5479 /* We don't have a link so try changing the authtype */
5480 readConfigRid(apriv, 0);
5481 disable_MAC(apriv, 0);
5482 switch(apriv->config.authType) {
5484 /* So drop to OPEN */
5485 apriv->config.authType = AUTH_OPEN;
5487 case AUTH_SHAREDKEY:
5488 if (apriv->keyindex < auto_wep) {
5489 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5490 apriv->config.authType = AUTH_SHAREDKEY;
5493 /* Drop to ENCRYPT */
5494 apriv->keyindex = 0;
5495 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5496 apriv->config.authType = AUTH_ENCRYPT;
5499 default: /* We'll escalate to SHAREDKEY */
5500 apriv->config.authType = AUTH_SHAREDKEY;
5502 set_bit (FLAG_COMMIT, &apriv->flags);
5503 writeConfigRid(apriv, 0);
5504 enable_MAC(apriv, 0);
5507 /* Schedule check to see if the change worked */
5508 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5509 apriv->expires = RUN_AT(HZ*3);
5513 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5514 const struct pci_device_id *pent)
5516 struct net_device *dev;
5518 if (pci_enable_device(pdev))
5520 pci_set_master(pdev);
5522 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5523 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5525 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5527 pci_disable_device(pdev);
5531 pci_set_drvdata(pdev, dev);
5535 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5537 struct net_device *dev = pci_get_drvdata(pdev);
5539 airo_print_info(dev->name, "Unregistering...");
5540 stop_airo_card(dev, 1);
5541 pci_disable_device(pdev);
5542 pci_set_drvdata(pdev, NULL);
5545 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5547 struct net_device *dev = pci_get_drvdata(pdev);
5548 struct airo_info *ai = dev->priv;
5552 if ((ai->APList == NULL) &&
5553 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5555 if ((ai->SSID == NULL) &&
5556 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5558 readAPListRid(ai, ai->APList);
5559 readSsidRid(ai, ai->SSID);
5560 memset(&cmd, 0, sizeof(cmd));
5561 /* the lock will be released at the end of the resume callback */
5562 if (down_interruptible(&ai->sem))
5565 netif_device_detach(dev);
5568 issuecommand(ai, &cmd, &rsp);
5570 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5571 pci_save_state(pdev);
5572 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5575 static int airo_pci_resume(struct pci_dev *pdev)
5577 struct net_device *dev = pci_get_drvdata(pdev);
5578 struct airo_info *ai = dev->priv;
5579 pci_power_t prev_state = pdev->current_state;
5581 pci_set_power_state(pdev, PCI_D0);
5582 pci_restore_state(pdev);
5583 pci_enable_wake(pdev, PCI_D0, 0);
5585 if (prev_state != PCI_D1) {
5587 mpi_init_descriptors(ai);
5588 setup_card(ai, dev->dev_addr, 0);
5589 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5590 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5592 OUT4500(ai, EVACK, EV_AWAKEN);
5593 OUT4500(ai, EVACK, EV_AWAKEN);
5597 set_bit (FLAG_COMMIT, &ai->flags);
5601 writeSsidRid(ai, ai->SSID, 0);
5606 writeAPListRid(ai, ai->APList, 0);
5610 writeConfigRid(ai, 0);
5612 ai->power = PMSG_ON;
5613 netif_device_attach(dev);
5614 netif_wake_queue(dev);
5615 enable_interrupts(ai);
5621 static int __init airo_init_module( void )
5625 int have_isa_dev = 0;
5628 airo_entry = create_proc_entry("aironet",
5629 S_IFDIR | airo_perm,
5633 airo_entry->uid = proc_uid;
5634 airo_entry->gid = proc_gid;
5637 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5638 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5639 "io=0x%x", irq[i], io[i] );
5640 if (init_airo_card( irq[i], io[i], 0, NULL ))
5649 airo_print_info("", "Probing for PCI adapters");
5650 i = pci_register_driver(&airo_driver);
5651 airo_print_info("", "Finished probing for PCI adapters");
5654 remove_proc_entry("aironet", proc_root_driver);
5659 /* Always exit with success, as we are a library module
5660 * as well as a driver module
5665 static void __exit airo_cleanup_module( void )
5667 struct airo_info *ai;
5668 while(!list_empty(&airo_devices)) {
5669 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5670 airo_print_info(ai->dev->name, "Unregistering...");
5671 stop_airo_card(ai->dev, 1);
5674 pci_unregister_driver(&airo_driver);
5676 remove_proc_entry("aironet", proc_root_driver);
5680 * Initial Wireless Extension code for Aironet driver by :
5681 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5682 * Conversion to new driver API by :
5683 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5684 * Javier also did a good amount of work here, adding some new extensions
5685 * and fixing my code. Let's just say that without him this code just
5686 * would not work at all... - Jean II
5689 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5694 return (0x100 - rssi_rid[rssi].rssidBm);
5697 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5704 for( i = 0; i < 256; i++ )
5705 if (rssi_rid[i].rssidBm == dbm)
5706 return rssi_rid[i].rssipct;
5712 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5717 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5720 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5723 sq = le16_to_cpu(status_rid->signalQuality);
5724 if (memcmp(cap_rid->prodName, "350", 3))
5728 quality = 0x20 - sq;
5735 quality = 0xb0 - sq;
5739 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5740 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5742 /*------------------------------------------------------------------*/
5744 * Wireless Handler : get protocol name
5746 static int airo_get_name(struct net_device *dev,
5747 struct iw_request_info *info,
5751 strcpy(cwrq, "IEEE 802.11-DS");
5755 /*------------------------------------------------------------------*/
5757 * Wireless Handler : set frequency
5759 static int airo_set_freq(struct net_device *dev,
5760 struct iw_request_info *info,
5761 struct iw_freq *fwrq,
5764 struct airo_info *local = dev->priv;
5765 int rc = -EINPROGRESS; /* Call commit handler */
5767 /* If setting by frequency, convert to a channel */
5768 if((fwrq->e == 1) &&
5769 (fwrq->m >= (int) 2.412e8) &&
5770 (fwrq->m <= (int) 2.487e8)) {
5771 int f = fwrq->m / 100000;
5773 while((c < 14) && (f != frequency_list[c]))
5775 /* Hack to fall through... */
5779 /* Setting by channel number */
5780 if((fwrq->m > 1000) || (fwrq->e > 0))
5783 int channel = fwrq->m;
5784 /* We should do a better check than that,
5785 * based on the card capability !!! */
5786 if((channel < 1) || (channel > 14)) {
5787 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5791 readConfigRid(local, 1);
5792 /* Yes ! We can set it !!! */
5793 local->config.channelSet = cpu_to_le16(channel);
5794 set_bit (FLAG_COMMIT, &local->flags);
5800 /*------------------------------------------------------------------*/
5802 * Wireless Handler : get frequency
5804 static int airo_get_freq(struct net_device *dev,
5805 struct iw_request_info *info,
5806 struct iw_freq *fwrq,
5809 struct airo_info *local = dev->priv;
5810 StatusRid status_rid; /* Card status info */
5813 readConfigRid(local, 1);
5814 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5815 status_rid.channel = local->config.channelSet;
5817 readStatusRid(local, &status_rid, 1);
5819 ch = le16_to_cpu(status_rid.channel);
5820 if((ch > 0) && (ch < 15)) {
5821 fwrq->m = frequency_list[ch - 1] * 100000;
5831 /*------------------------------------------------------------------*/
5833 * Wireless Handler : set ESSID
5835 static int airo_set_essid(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_point *dwrq,
5840 struct airo_info *local = dev->priv;
5841 SsidRid SSID_rid; /* SSIDs */
5843 /* Reload the list of current SSID */
5844 readSsidRid(local, &SSID_rid);
5846 /* Check if we asked for `any' */
5847 if(dwrq->flags == 0) {
5848 /* Just send an empty SSID list */
5849 memset(&SSID_rid, 0, sizeof(SSID_rid));
5851 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5853 /* Check the size of the string */
5854 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5857 /* Check if index is valid */
5858 if((index < 0) || (index >= 4)) {
5863 memset(SSID_rid.ssids[index].ssid, 0,
5864 sizeof(SSID_rid.ssids[index].ssid));
5865 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5866 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5868 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5869 /* Write it to the card */
5870 disable_MAC(local, 1);
5871 writeSsidRid(local, &SSID_rid, 1);
5872 enable_MAC(local, 1);
5877 /*------------------------------------------------------------------*/
5879 * Wireless Handler : get ESSID
5881 static int airo_get_essid(struct net_device *dev,
5882 struct iw_request_info *info,
5883 struct iw_point *dwrq,
5886 struct airo_info *local = dev->priv;
5887 StatusRid status_rid; /* Card status info */
5889 readStatusRid(local, &status_rid, 1);
5891 /* Note : if dwrq->flags != 0, we should
5892 * get the relevant SSID from the SSID list... */
5894 /* Get the current SSID */
5895 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5896 /* If none, we may want to get the one that was set */
5899 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5900 dwrq->flags = 1; /* active */
5905 /*------------------------------------------------------------------*/
5907 * Wireless Handler : set AP address
5909 static int airo_set_wap(struct net_device *dev,
5910 struct iw_request_info *info,
5911 struct sockaddr *awrq,
5914 struct airo_info *local = dev->priv;
5917 APListRid APList_rid;
5918 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5919 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5921 if (awrq->sa_family != ARPHRD_ETHER)
5923 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5924 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5925 memset(&cmd, 0, sizeof(cmd));
5926 cmd.cmd=CMD_LOSE_SYNC;
5927 if (down_interruptible(&local->sem))
5928 return -ERESTARTSYS;
5929 issuecommand(local, &cmd, &rsp);
5932 memset(&APList_rid, 0, sizeof(APList_rid));
5933 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5934 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5935 disable_MAC(local, 1);
5936 writeAPListRid(local, &APList_rid, 1);
5937 enable_MAC(local, 1);
5942 /*------------------------------------------------------------------*/
5944 * Wireless Handler : get AP address
5946 static int airo_get_wap(struct net_device *dev,
5947 struct iw_request_info *info,
5948 struct sockaddr *awrq,
5951 struct airo_info *local = dev->priv;
5952 StatusRid status_rid; /* Card status info */
5954 readStatusRid(local, &status_rid, 1);
5956 /* Tentative. This seems to work, wow, I'm lucky !!! */
5957 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5958 awrq->sa_family = ARPHRD_ETHER;
5963 /*------------------------------------------------------------------*/
5965 * Wireless Handler : set Nickname
5967 static int airo_set_nick(struct net_device *dev,
5968 struct iw_request_info *info,
5969 struct iw_point *dwrq,
5972 struct airo_info *local = dev->priv;
5974 /* Check the size of the string */
5975 if(dwrq->length > 16) {
5978 readConfigRid(local, 1);
5979 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5980 memcpy(local->config.nodeName, extra, dwrq->length);
5981 set_bit (FLAG_COMMIT, &local->flags);
5983 return -EINPROGRESS; /* Call commit handler */
5986 /*------------------------------------------------------------------*/
5988 * Wireless Handler : get Nickname
5990 static int airo_get_nick(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct iw_point *dwrq,
5995 struct airo_info *local = dev->priv;
5997 readConfigRid(local, 1);
5998 strncpy(extra, local->config.nodeName, 16);
6000 dwrq->length = strlen(extra);
6005 /*------------------------------------------------------------------*/
6007 * Wireless Handler : set Bit-Rate
6009 static int airo_set_rate(struct net_device *dev,
6010 struct iw_request_info *info,
6011 struct iw_param *vwrq,
6014 struct airo_info *local = dev->priv;
6015 CapabilityRid cap_rid; /* Card capability info */
6019 /* First : get a valid bit rate value */
6020 readCapabilityRid(local, &cap_rid, 1);
6022 /* Which type of value ? */
6023 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6024 /* Setting by rate index */
6025 /* Find value in the magic rate table */
6026 brate = cap_rid.supportedRates[vwrq->value];
6028 /* Setting by frequency value */
6029 u8 normvalue = (u8) (vwrq->value/500000);
6031 /* Check if rate is valid */
6032 for(i = 0 ; i < 8 ; i++) {
6033 if(normvalue == cap_rid.supportedRates[i]) {
6039 /* -1 designed the max rate (mostly auto mode) */
6040 if(vwrq->value == -1) {
6041 /* Get the highest available rate */
6042 for(i = 0 ; i < 8 ; i++) {
6043 if(cap_rid.supportedRates[i] == 0)
6047 brate = cap_rid.supportedRates[i - 1];
6049 /* Check that it is valid */
6054 readConfigRid(local, 1);
6055 /* Now, check if we want a fixed or auto value */
6056 if(vwrq->fixed == 0) {
6057 /* Fill all the rates up to this max rate */
6058 memset(local->config.rates, 0, 8);
6059 for(i = 0 ; i < 8 ; i++) {
6060 local->config.rates[i] = cap_rid.supportedRates[i];
6061 if(local->config.rates[i] == brate)
6066 /* One rate, fixed */
6067 memset(local->config.rates, 0, 8);
6068 local->config.rates[0] = brate;
6070 set_bit (FLAG_COMMIT, &local->flags);
6072 return -EINPROGRESS; /* Call commit handler */
6075 /*------------------------------------------------------------------*/
6077 * Wireless Handler : get Bit-Rate
6079 static int airo_get_rate(struct net_device *dev,
6080 struct iw_request_info *info,
6081 struct iw_param *vwrq,
6084 struct airo_info *local = dev->priv;
6085 StatusRid status_rid; /* Card status info */
6087 readStatusRid(local, &status_rid, 1);
6089 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6090 /* If more than one rate, set auto */
6091 readConfigRid(local, 1);
6092 vwrq->fixed = (local->config.rates[1] == 0);
6097 /*------------------------------------------------------------------*/
6099 * Wireless Handler : set RTS threshold
6101 static int airo_set_rts(struct net_device *dev,
6102 struct iw_request_info *info,
6103 struct iw_param *vwrq,
6106 struct airo_info *local = dev->priv;
6107 int rthr = vwrq->value;
6110 rthr = AIRO_DEF_MTU;
6111 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6114 readConfigRid(local, 1);
6115 local->config.rtsThres = cpu_to_le16(rthr);
6116 set_bit (FLAG_COMMIT, &local->flags);
6118 return -EINPROGRESS; /* Call commit handler */
6121 /*------------------------------------------------------------------*/
6123 * Wireless Handler : get RTS threshold
6125 static int airo_get_rts(struct net_device *dev,
6126 struct iw_request_info *info,
6127 struct iw_param *vwrq,
6130 struct airo_info *local = dev->priv;
6132 readConfigRid(local, 1);
6133 vwrq->value = le16_to_cpu(local->config.rtsThres);
6134 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6140 /*------------------------------------------------------------------*/
6142 * Wireless Handler : set Fragmentation threshold
6144 static int airo_set_frag(struct net_device *dev,
6145 struct iw_request_info *info,
6146 struct iw_param *vwrq,
6149 struct airo_info *local = dev->priv;
6150 int fthr = vwrq->value;
6153 fthr = AIRO_DEF_MTU;
6154 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6157 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6158 readConfigRid(local, 1);
6159 local->config.fragThresh = cpu_to_le16(fthr);
6160 set_bit (FLAG_COMMIT, &local->flags);
6162 return -EINPROGRESS; /* Call commit handler */
6165 /*------------------------------------------------------------------*/
6167 * Wireless Handler : get Fragmentation threshold
6169 static int airo_get_frag(struct net_device *dev,
6170 struct iw_request_info *info,
6171 struct iw_param *vwrq,
6174 struct airo_info *local = dev->priv;
6176 readConfigRid(local, 1);
6177 vwrq->value = le16_to_cpu(local->config.fragThresh);
6178 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6184 /*------------------------------------------------------------------*/
6186 * Wireless Handler : set Mode of Operation
6188 static int airo_set_mode(struct net_device *dev,
6189 struct iw_request_info *info,
6193 struct airo_info *local = dev->priv;
6196 readConfigRid(local, 1);
6197 if (sniffing_mode(local))
6202 local->config.opmode &= ~MODE_CFG_MASK;
6203 local->config.opmode |= MODE_STA_IBSS;
6204 local->config.rmode &= ~RXMODE_FULL_MASK;
6205 local->config.scanMode = SCANMODE_ACTIVE;
6206 clear_bit (FLAG_802_11, &local->flags);
6209 local->config.opmode &= ~MODE_CFG_MASK;
6210 local->config.opmode |= MODE_STA_ESS;
6211 local->config.rmode &= ~RXMODE_FULL_MASK;
6212 local->config.scanMode = SCANMODE_ACTIVE;
6213 clear_bit (FLAG_802_11, &local->flags);
6215 case IW_MODE_MASTER:
6216 local->config.opmode &= ~MODE_CFG_MASK;
6217 local->config.opmode |= MODE_AP;
6218 local->config.rmode &= ~RXMODE_FULL_MASK;
6219 local->config.scanMode = SCANMODE_ACTIVE;
6220 clear_bit (FLAG_802_11, &local->flags);
6222 case IW_MODE_REPEAT:
6223 local->config.opmode &= ~MODE_CFG_MASK;
6224 local->config.opmode |= MODE_AP_RPTR;
6225 local->config.rmode &= ~RXMODE_FULL_MASK;
6226 local->config.scanMode = SCANMODE_ACTIVE;
6227 clear_bit (FLAG_802_11, &local->flags);
6229 case IW_MODE_MONITOR:
6230 local->config.opmode &= ~MODE_CFG_MASK;
6231 local->config.opmode |= MODE_STA_ESS;
6232 local->config.rmode &= ~RXMODE_FULL_MASK;
6233 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6234 local->config.scanMode = SCANMODE_PASSIVE;
6235 set_bit (FLAG_802_11, &local->flags);
6241 set_bit (FLAG_RESET, &local->flags);
6242 set_bit (FLAG_COMMIT, &local->flags);
6244 return -EINPROGRESS; /* Call commit handler */
6247 /*------------------------------------------------------------------*/
6249 * Wireless Handler : get Mode of Operation
6251 static int airo_get_mode(struct net_device *dev,
6252 struct iw_request_info *info,
6256 struct airo_info *local = dev->priv;
6258 readConfigRid(local, 1);
6259 /* If not managed, assume it's ad-hoc */
6260 switch (local->config.opmode & MODE_CFG_MASK) {
6262 *uwrq = IW_MODE_INFRA;
6265 *uwrq = IW_MODE_MASTER;
6268 *uwrq = IW_MODE_REPEAT;
6271 *uwrq = IW_MODE_ADHOC;
6277 static inline int valid_index(CapabilityRid *p, int index)
6281 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6284 /*------------------------------------------------------------------*/
6286 * Wireless Handler : set Encryption Key
6288 static int airo_set_encode(struct net_device *dev,
6289 struct iw_request_info *info,
6290 struct iw_point *dwrq,
6293 struct airo_info *local = dev->priv;
6294 CapabilityRid cap_rid; /* Card capability info */
6295 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6296 __le16 currentAuthType = local->config.authType;
6298 /* Is WEP supported ? */
6299 readCapabilityRid(local, &cap_rid, 1);
6300 /* Older firmware doesn't support this...
6301 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6304 readConfigRid(local, 1);
6306 /* Basic checking: do we have a key to set ?
6307 * Note : with the new API, it's impossible to get a NULL pointer.
6308 * Therefore, we need to check a key size == 0 instead.
6309 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6310 * when no key is present (only change flags), but older versions
6311 * don't do it. - Jean II */
6312 if (dwrq->length > 0) {
6314 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6315 int current_index = get_wep_key(local, 0xffff);
6316 /* Check the size of the key */
6317 if (dwrq->length > MAX_KEY_SIZE) {
6320 /* Check the index (none -> use current) */
6321 if (!valid_index(&cap_rid, index))
6322 index = current_index;
6323 /* Set the length */
6324 if (dwrq->length > MIN_KEY_SIZE)
6325 key.len = MAX_KEY_SIZE;
6327 if (dwrq->length > 0)
6328 key.len = MIN_KEY_SIZE;
6330 /* Disable the key */
6332 /* Check if the key is not marked as invalid */
6333 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6335 memset(key.key, 0, MAX_KEY_SIZE);
6336 /* Copy the key in the driver */
6337 memcpy(key.key, extra, dwrq->length);
6338 /* Send the key to the card */
6339 set_wep_key(local, index, key.key, key.len, perm, 1);
6341 /* WE specify that if a valid key is set, encryption
6342 * should be enabled (user may turn it off later)
6343 * This is also how "iwconfig ethX key on" works */
6344 if((index == current_index) && (key.len > 0) &&
6345 (local->config.authType == AUTH_OPEN)) {
6346 local->config.authType = AUTH_ENCRYPT;
6349 /* Do we want to just set the transmit key index ? */
6350 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6351 if (valid_index(&cap_rid, index)) {
6352 set_wep_key(local, index, NULL, 0, perm, 1);
6354 /* Don't complain if only change the mode */
6355 if (!(dwrq->flags & IW_ENCODE_MODE))
6358 /* Read the flags */
6359 if(dwrq->flags & IW_ENCODE_DISABLED)
6360 local->config.authType = AUTH_OPEN; // disable encryption
6361 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6362 local->config.authType = AUTH_SHAREDKEY; // Only Both
6363 if(dwrq->flags & IW_ENCODE_OPEN)
6364 local->config.authType = AUTH_ENCRYPT; // Only Wep
6365 /* Commit the changes to flags if needed */
6366 if (local->config.authType != currentAuthType)
6367 set_bit (FLAG_COMMIT, &local->flags);
6368 return -EINPROGRESS; /* Call commit handler */
6371 /*------------------------------------------------------------------*/
6373 * Wireless Handler : get Encryption Key
6375 static int airo_get_encode(struct net_device *dev,
6376 struct iw_request_info *info,
6377 struct iw_point *dwrq,
6380 struct airo_info *local = dev->priv;
6381 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6382 CapabilityRid cap_rid; /* Card capability info */
6384 /* Is it supported ? */
6385 readCapabilityRid(local, &cap_rid, 1);
6386 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6389 readConfigRid(local, 1);
6390 /* Check encryption mode */
6391 switch(local->config.authType) {
6393 dwrq->flags = IW_ENCODE_OPEN;
6395 case AUTH_SHAREDKEY:
6396 dwrq->flags = IW_ENCODE_RESTRICTED;
6400 dwrq->flags = IW_ENCODE_DISABLED;
6403 /* We can't return the key, so set the proper flag and return zero */
6404 dwrq->flags |= IW_ENCODE_NOKEY;
6405 memset(extra, 0, 16);
6407 /* Which key do we want ? -1 -> tx index */
6408 if (!valid_index(&cap_rid, index))
6409 index = get_wep_key(local, 0xffff);
6410 dwrq->flags |= index + 1;
6411 /* Copy the key to the user buffer */
6412 dwrq->length = get_wep_key(local, index);
6413 if (dwrq->length > 16) {
6419 /*------------------------------------------------------------------*/
6421 * Wireless Handler : set extended Encryption parameters
6423 static int airo_set_encodeext(struct net_device *dev,
6424 struct iw_request_info *info,
6425 union iwreq_data *wrqu,
6428 struct airo_info *local = dev->priv;
6429 struct iw_point *encoding = &wrqu->encoding;
6430 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6431 CapabilityRid cap_rid; /* Card capability info */
6432 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6433 __le16 currentAuthType = local->config.authType;
6434 int idx, key_len, alg = ext->alg, set_key = 1;
6437 /* Is WEP supported ? */
6438 readCapabilityRid(local, &cap_rid, 1);
6439 /* Older firmware doesn't support this...
6440 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6443 readConfigRid(local, 1);
6445 /* Determine and validate the key index */
6446 idx = encoding->flags & IW_ENCODE_INDEX;
6448 if (!valid_index(&cap_rid, idx - 1))
6452 idx = get_wep_key(local, 0xffff);
6454 if (encoding->flags & IW_ENCODE_DISABLED)
6455 alg = IW_ENCODE_ALG_NONE;
6457 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6458 /* Only set transmit key index here, actual
6459 * key is set below if needed.
6461 set_wep_key(local, idx, NULL, 0, perm, 1);
6462 set_key = ext->key_len > 0 ? 1 : 0;
6466 /* Set the requested key first */
6467 memset(key.key, 0, MAX_KEY_SIZE);
6469 case IW_ENCODE_ALG_NONE:
6472 case IW_ENCODE_ALG_WEP:
6473 if (ext->key_len > MIN_KEY_SIZE) {
6474 key.len = MAX_KEY_SIZE;
6475 } else if (ext->key_len > 0) {
6476 key.len = MIN_KEY_SIZE;
6480 key_len = min (ext->key_len, key.len);
6481 memcpy(key.key, ext->key, key_len);
6486 /* Send the key to the card */
6487 set_wep_key(local, idx, key.key, key.len, perm, 1);
6490 /* Read the flags */
6491 if(encoding->flags & IW_ENCODE_DISABLED)
6492 local->config.authType = AUTH_OPEN; // disable encryption
6493 if(encoding->flags & IW_ENCODE_RESTRICTED)
6494 local->config.authType = AUTH_SHAREDKEY; // Only Both
6495 if(encoding->flags & IW_ENCODE_OPEN)
6496 local->config.authType = AUTH_ENCRYPT; // Only Wep
6497 /* Commit the changes to flags if needed */
6498 if (local->config.authType != currentAuthType)
6499 set_bit (FLAG_COMMIT, &local->flags);
6501 return -EINPROGRESS;
6505 /*------------------------------------------------------------------*/
6507 * Wireless Handler : get extended Encryption parameters
6509 static int airo_get_encodeext(struct net_device *dev,
6510 struct iw_request_info *info,
6511 union iwreq_data *wrqu,
6514 struct airo_info *local = dev->priv;
6515 struct iw_point *encoding = &wrqu->encoding;
6516 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6517 CapabilityRid cap_rid; /* Card capability info */
6518 int idx, max_key_len;
6520 /* Is it supported ? */
6521 readCapabilityRid(local, &cap_rid, 1);
6522 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6525 readConfigRid(local, 1);
6527 max_key_len = encoding->length - sizeof(*ext);
6528 if (max_key_len < 0)
6531 idx = encoding->flags & IW_ENCODE_INDEX;
6533 if (!valid_index(&cap_rid, idx - 1))
6537 idx = get_wep_key(local, 0xffff);
6539 encoding->flags = idx + 1;
6540 memset(ext, 0, sizeof(*ext));
6542 /* Check encryption mode */
6543 switch(local->config.authType) {
6545 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6547 case AUTH_SHAREDKEY:
6548 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6552 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6555 /* We can't return the key, so set the proper flag and return zero */
6556 encoding->flags |= IW_ENCODE_NOKEY;
6557 memset(extra, 0, 16);
6559 /* Copy the key to the user buffer */
6560 ext->key_len = get_wep_key(local, idx);
6561 if (ext->key_len > 16) {
6569 /*------------------------------------------------------------------*/
6571 * Wireless Handler : set extended authentication parameters
6573 static int airo_set_auth(struct net_device *dev,
6574 struct iw_request_info *info,
6575 union iwreq_data *wrqu, char *extra)
6577 struct airo_info *local = dev->priv;
6578 struct iw_param *param = &wrqu->param;
6579 __le16 currentAuthType = local->config.authType;
6581 switch (param->flags & IW_AUTH_INDEX) {
6582 case IW_AUTH_WPA_VERSION:
6583 case IW_AUTH_CIPHER_PAIRWISE:
6584 case IW_AUTH_CIPHER_GROUP:
6585 case IW_AUTH_KEY_MGMT:
6586 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6587 case IW_AUTH_PRIVACY_INVOKED:
6589 * airo does not use these parameters
6593 case IW_AUTH_DROP_UNENCRYPTED:
6595 /* Only change auth type if unencrypted */
6596 if (currentAuthType == AUTH_OPEN)
6597 local->config.authType = AUTH_ENCRYPT;
6599 local->config.authType = AUTH_OPEN;
6602 /* Commit the changes to flags if needed */
6603 if (local->config.authType != currentAuthType)
6604 set_bit (FLAG_COMMIT, &local->flags);
6607 case IW_AUTH_80211_AUTH_ALG: {
6608 /* FIXME: What about AUTH_OPEN? This API seems to
6609 * disallow setting our auth to AUTH_OPEN.
6611 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6612 local->config.authType = AUTH_SHAREDKEY;
6613 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6614 local->config.authType = AUTH_ENCRYPT;
6619 /* Commit the changes to flags if needed */
6620 if (local->config.authType != currentAuthType)
6621 set_bit (FLAG_COMMIT, &local->flags);
6624 case IW_AUTH_WPA_ENABLED:
6625 /* Silently accept disable of WPA */
6626 if (param->value > 0)
6633 return -EINPROGRESS;
6637 /*------------------------------------------------------------------*/
6639 * Wireless Handler : get extended authentication parameters
6641 static int airo_get_auth(struct net_device *dev,
6642 struct iw_request_info *info,
6643 union iwreq_data *wrqu, char *extra)
6645 struct airo_info *local = dev->priv;
6646 struct iw_param *param = &wrqu->param;
6647 __le16 currentAuthType = local->config.authType;
6649 switch (param->flags & IW_AUTH_INDEX) {
6650 case IW_AUTH_DROP_UNENCRYPTED:
6651 switch (currentAuthType) {
6652 case AUTH_SHAREDKEY:
6662 case IW_AUTH_80211_AUTH_ALG:
6663 switch (currentAuthType) {
6664 case AUTH_SHAREDKEY:
6665 param->value = IW_AUTH_ALG_SHARED_KEY;
6669 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6674 case IW_AUTH_WPA_ENABLED:
6685 /*------------------------------------------------------------------*/
6687 * Wireless Handler : set Tx-Power
6689 static int airo_set_txpow(struct net_device *dev,
6690 struct iw_request_info *info,
6691 struct iw_param *vwrq,
6694 struct airo_info *local = dev->priv;
6695 CapabilityRid cap_rid; /* Card capability info */
6698 __le16 v = cpu_to_le16(vwrq->value);
6700 readCapabilityRid(local, &cap_rid, 1);
6702 if (vwrq->disabled) {
6703 set_bit (FLAG_RADIO_OFF, &local->flags);
6704 set_bit (FLAG_COMMIT, &local->flags);
6705 return -EINPROGRESS; /* Call commit handler */
6707 if (vwrq->flags != IW_TXPOW_MWATT) {
6710 clear_bit (FLAG_RADIO_OFF, &local->flags);
6711 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6712 if (v == cap_rid.txPowerLevels[i]) {
6713 readConfigRid(local, 1);
6714 local->config.txPower = v;
6715 set_bit (FLAG_COMMIT, &local->flags);
6716 rc = -EINPROGRESS; /* Call commit handler */
6722 /*------------------------------------------------------------------*/
6724 * Wireless Handler : get Tx-Power
6726 static int airo_get_txpow(struct net_device *dev,
6727 struct iw_request_info *info,
6728 struct iw_param *vwrq,
6731 struct airo_info *local = dev->priv;
6733 readConfigRid(local, 1);
6734 vwrq->value = le16_to_cpu(local->config.txPower);
6735 vwrq->fixed = 1; /* No power control */
6736 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6737 vwrq->flags = IW_TXPOW_MWATT;
6742 /*------------------------------------------------------------------*/
6744 * Wireless Handler : set Retry limits
6746 static int airo_set_retry(struct net_device *dev,
6747 struct iw_request_info *info,
6748 struct iw_param *vwrq,
6751 struct airo_info *local = dev->priv;
6754 if(vwrq->disabled) {
6757 readConfigRid(local, 1);
6758 if(vwrq->flags & IW_RETRY_LIMIT) {
6759 __le16 v = cpu_to_le16(vwrq->value);
6760 if(vwrq->flags & IW_RETRY_LONG)
6761 local->config.longRetryLimit = v;
6762 else if (vwrq->flags & IW_RETRY_SHORT)
6763 local->config.shortRetryLimit = v;
6765 /* No modifier : set both */
6766 local->config.longRetryLimit = v;
6767 local->config.shortRetryLimit = v;
6769 set_bit (FLAG_COMMIT, &local->flags);
6770 rc = -EINPROGRESS; /* Call commit handler */
6772 if(vwrq->flags & IW_RETRY_LIFETIME) {
6773 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6774 set_bit (FLAG_COMMIT, &local->flags);
6775 rc = -EINPROGRESS; /* Call commit handler */
6780 /*------------------------------------------------------------------*/
6782 * Wireless Handler : get Retry limits
6784 static int airo_get_retry(struct net_device *dev,
6785 struct iw_request_info *info,
6786 struct iw_param *vwrq,
6789 struct airo_info *local = dev->priv;
6791 vwrq->disabled = 0; /* Can't be disabled */
6793 readConfigRid(local, 1);
6794 /* Note : by default, display the min retry number */
6795 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6796 vwrq->flags = IW_RETRY_LIFETIME;
6797 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6798 } else if((vwrq->flags & IW_RETRY_LONG)) {
6799 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6800 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6802 vwrq->flags = IW_RETRY_LIMIT;
6803 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6804 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6805 vwrq->flags |= IW_RETRY_SHORT;
6811 /*------------------------------------------------------------------*/
6813 * Wireless Handler : get range info
6815 static int airo_get_range(struct net_device *dev,
6816 struct iw_request_info *info,
6817 struct iw_point *dwrq,
6820 struct airo_info *local = dev->priv;
6821 struct iw_range *range = (struct iw_range *) extra;
6822 CapabilityRid cap_rid; /* Card capability info */
6826 readCapabilityRid(local, &cap_rid, 1);
6828 dwrq->length = sizeof(struct iw_range);
6829 memset(range, 0, sizeof(*range));
6830 range->min_nwid = 0x0000;
6831 range->max_nwid = 0x0000;
6832 range->num_channels = 14;
6833 /* Should be based on cap_rid.country to give only
6834 * what the current card support */
6836 for(i = 0; i < 14; i++) {
6837 range->freq[k].i = i + 1; /* List index */
6838 range->freq[k].m = frequency_list[i] * 100000;
6839 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6841 range->num_frequency = k;
6843 range->sensitivity = 65535;
6845 /* Hum... Should put the right values there */
6847 range->max_qual.qual = 100; /* % */
6849 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6850 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6851 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6853 /* Experimental measurements - boundary 11/5.5 Mb/s */
6854 /* Note : with or without the (local->rssi), results
6855 * are somewhat different. - Jean II */
6857 range->avg_qual.qual = 50; /* % */
6858 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6860 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6861 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6863 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6865 for(i = 0 ; i < 8 ; i++) {
6866 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6867 if(range->bitrate[i] == 0)
6870 range->num_bitrates = i;
6872 /* Set an indication of the max TCP throughput
6873 * in bit/s that we can expect using this interface.
6874 * May be use for QoS stuff... Jean II */
6876 range->throughput = 5000 * 1000;
6878 range->throughput = 1500 * 1000;
6881 range->max_rts = AIRO_DEF_MTU;
6882 range->min_frag = 256;
6883 range->max_frag = AIRO_DEF_MTU;
6885 if(cap_rid.softCap & cpu_to_le16(2)) {
6887 range->encoding_size[0] = 5;
6889 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6890 range->encoding_size[1] = 13;
6891 range->num_encoding_sizes = 2;
6893 range->num_encoding_sizes = 1;
6894 range->max_encoding_tokens =
6895 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6897 range->num_encoding_sizes = 0;
6898 range->max_encoding_tokens = 0;
6901 range->max_pmp = 5000000; /* 5 secs */
6903 range->max_pmt = 65535 * 1024; /* ??? */
6904 range->pmp_flags = IW_POWER_PERIOD;
6905 range->pmt_flags = IW_POWER_TIMEOUT;
6906 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6908 /* Transmit Power - values are in mW */
6909 for(i = 0 ; i < 8 ; i++) {
6910 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6911 if(range->txpower[i] == 0)
6914 range->num_txpower = i;
6915 range->txpower_capa = IW_TXPOW_MWATT;
6916 range->we_version_source = 19;
6917 range->we_version_compiled = WIRELESS_EXT;
6918 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6919 range->retry_flags = IW_RETRY_LIMIT;
6920 range->r_time_flags = IW_RETRY_LIFETIME;
6921 range->min_retry = 1;
6922 range->max_retry = 65535;
6923 range->min_r_time = 1024;
6924 range->max_r_time = 65535 * 1024;
6926 /* Event capability (kernel + driver) */
6927 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6928 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6929 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6930 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6931 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6932 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6936 /*------------------------------------------------------------------*/
6938 * Wireless Handler : set Power Management
6940 static int airo_set_power(struct net_device *dev,
6941 struct iw_request_info *info,
6942 struct iw_param *vwrq,
6945 struct airo_info *local = dev->priv;
6947 readConfigRid(local, 1);
6948 if (vwrq->disabled) {
6949 if (sniffing_mode(local))
6951 local->config.powerSaveMode = POWERSAVE_CAM;
6952 local->config.rmode &= ~RXMODE_MASK;
6953 local->config.rmode |= RXMODE_BC_MC_ADDR;
6954 set_bit (FLAG_COMMIT, &local->flags);
6955 return -EINPROGRESS; /* Call commit handler */
6957 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6958 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6959 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6960 set_bit (FLAG_COMMIT, &local->flags);
6961 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6962 local->config.fastListenInterval =
6963 local->config.listenInterval =
6964 cpu_to_le16((vwrq->value + 500) / 1024);
6965 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6966 set_bit (FLAG_COMMIT, &local->flags);
6968 switch (vwrq->flags & IW_POWER_MODE) {
6969 case IW_POWER_UNICAST_R:
6970 if (sniffing_mode(local))
6972 local->config.rmode &= ~RXMODE_MASK;
6973 local->config.rmode |= RXMODE_ADDR;
6974 set_bit (FLAG_COMMIT, &local->flags);
6976 case IW_POWER_ALL_R:
6977 if (sniffing_mode(local))
6979 local->config.rmode &= ~RXMODE_MASK;
6980 local->config.rmode |= RXMODE_BC_MC_ADDR;
6981 set_bit (FLAG_COMMIT, &local->flags);
6983 /* This is broken, fixme ;-) */
6988 // Note : we may want to factor local->need_commit here
6989 // Note2 : may also want to factor RXMODE_RFMON test
6990 return -EINPROGRESS; /* Call commit handler */
6993 /*------------------------------------------------------------------*/
6995 * Wireless Handler : get Power Management
6997 static int airo_get_power(struct net_device *dev,
6998 struct iw_request_info *info,
6999 struct iw_param *vwrq,
7002 struct airo_info *local = dev->priv;
7005 readConfigRid(local, 1);
7006 mode = local->config.powerSaveMode;
7007 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7009 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7010 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7011 vwrq->flags = IW_POWER_TIMEOUT;
7013 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7014 vwrq->flags = IW_POWER_PERIOD;
7016 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7017 vwrq->flags |= IW_POWER_UNICAST_R;
7019 vwrq->flags |= IW_POWER_ALL_R;
7024 /*------------------------------------------------------------------*/
7026 * Wireless Handler : set Sensitivity
7028 static int airo_set_sens(struct net_device *dev,
7029 struct iw_request_info *info,
7030 struct iw_param *vwrq,
7033 struct airo_info *local = dev->priv;
7035 readConfigRid(local, 1);
7036 local->config.rssiThreshold =
7037 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7038 set_bit (FLAG_COMMIT, &local->flags);
7040 return -EINPROGRESS; /* Call commit handler */
7043 /*------------------------------------------------------------------*/
7045 * Wireless Handler : get Sensitivity
7047 static int airo_get_sens(struct net_device *dev,
7048 struct iw_request_info *info,
7049 struct iw_param *vwrq,
7052 struct airo_info *local = dev->priv;
7054 readConfigRid(local, 1);
7055 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7056 vwrq->disabled = (vwrq->value == 0);
7062 /*------------------------------------------------------------------*/
7064 * Wireless Handler : get AP List
7065 * Note : this is deprecated in favor of IWSCAN
7067 static int airo_get_aplist(struct net_device *dev,
7068 struct iw_request_info *info,
7069 struct iw_point *dwrq,
7072 struct airo_info *local = dev->priv;
7073 struct sockaddr *address = (struct sockaddr *) extra;
7074 struct iw_quality qual[IW_MAX_AP];
7077 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7079 for (i = 0; i < IW_MAX_AP; i++) {
7081 if (readBSSListRid(local, loseSync, &BSSList))
7084 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7085 address[i].sa_family = ARPHRD_ETHER;
7086 dBm = le16_to_cpu(BSSList.dBm);
7088 qual[i].level = 0x100 - dBm;
7089 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7090 qual[i].updated = IW_QUAL_QUAL_UPDATED
7091 | IW_QUAL_LEVEL_UPDATED
7094 qual[i].level = (dBm + 321) / 2;
7096 qual[i].updated = IW_QUAL_QUAL_INVALID
7097 | IW_QUAL_LEVEL_UPDATED
7100 qual[i].noise = local->wstats.qual.noise;
7101 if (BSSList.index == cpu_to_le16(0xffff))
7105 StatusRid status_rid; /* Card status info */
7106 readStatusRid(local, &status_rid, 1);
7108 i < min(IW_MAX_AP, 4) &&
7109 (status_rid.bssid[i][0]
7110 & status_rid.bssid[i][1]
7111 & status_rid.bssid[i][2]
7112 & status_rid.bssid[i][3]
7113 & status_rid.bssid[i][4]
7114 & status_rid.bssid[i][5])!=0xff &&
7115 (status_rid.bssid[i][0]
7116 | status_rid.bssid[i][1]
7117 | status_rid.bssid[i][2]
7118 | status_rid.bssid[i][3]
7119 | status_rid.bssid[i][4]
7120 | status_rid.bssid[i][5]);
7122 memcpy(address[i].sa_data,
7123 status_rid.bssid[i], ETH_ALEN);
7124 address[i].sa_family = ARPHRD_ETHER;
7127 dwrq->flags = 1; /* Should be define'd */
7128 memcpy(extra + sizeof(struct sockaddr)*i,
7129 &qual, sizeof(struct iw_quality)*i);
7136 /*------------------------------------------------------------------*/
7138 * Wireless Handler : Initiate Scan
7140 static int airo_set_scan(struct net_device *dev,
7141 struct iw_request_info *info,
7142 struct iw_param *vwrq,
7145 struct airo_info *ai = dev->priv;
7150 /* Note : you may have realised that, as this is a SET operation,
7151 * this is privileged and therefore a normal user can't
7153 * This is not an error, while the device perform scanning,
7154 * traffic doesn't flow, so it's a perfect DoS...
7156 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7158 if (down_interruptible(&ai->sem))
7159 return -ERESTARTSYS;
7161 /* If there's already a scan in progress, don't
7162 * trigger another one. */
7163 if (ai->scan_timeout > 0)
7166 /* Initiate a scan command */
7167 ai->scan_timeout = RUN_AT(3*HZ);
7168 memset(&cmd, 0, sizeof(cmd));
7169 cmd.cmd=CMD_LISTBSS;
7170 issuecommand(ai, &cmd, &rsp);
7176 wake_up_interruptible(&ai->thr_wait);
7180 /*------------------------------------------------------------------*/
7182 * Translate scan data returned from the card to a card independent
7183 * format that the Wireless Tools will understand - Jean II
7185 static inline char *airo_translate_scan(struct net_device *dev,
7190 struct airo_info *ai = dev->priv;
7191 struct iw_event iwe; /* Temporary buffer */
7192 __le16 capabilities;
7193 char * current_val; /* For rates */
7198 /* First entry *MUST* be the AP MAC address */
7199 iwe.cmd = SIOCGIWAP;
7200 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7201 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7202 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7204 /* Other entries will be displayed in the order we give them */
7207 iwe.u.data.length = bss->ssidLen;
7208 if(iwe.u.data.length > 32)
7209 iwe.u.data.length = 32;
7210 iwe.cmd = SIOCGIWESSID;
7211 iwe.u.data.flags = 1;
7212 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7215 iwe.cmd = SIOCGIWMODE;
7216 capabilities = bss->cap;
7217 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7218 if(capabilities & CAP_ESS)
7219 iwe.u.mode = IW_MODE_MASTER;
7221 iwe.u.mode = IW_MODE_ADHOC;
7222 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7226 iwe.cmd = SIOCGIWFREQ;
7227 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7228 /* iwe.u.freq.m containt the channel (starting 1), our
7229 * frequency_list array start at index 0...
7231 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7233 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7235 dBm = le16_to_cpu(bss->dBm);
7237 /* Add quality statistics */
7240 iwe.u.qual.level = 0x100 - dBm;
7241 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7242 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7243 | IW_QUAL_LEVEL_UPDATED
7246 iwe.u.qual.level = (dBm + 321) / 2;
7247 iwe.u.qual.qual = 0;
7248 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7249 | IW_QUAL_LEVEL_UPDATED
7252 iwe.u.qual.noise = ai->wstats.qual.noise;
7253 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7255 /* Add encryption capability */
7256 iwe.cmd = SIOCGIWENCODE;
7257 if(capabilities & CAP_PRIVACY)
7258 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7260 iwe.u.data.flags = IW_ENCODE_DISABLED;
7261 iwe.u.data.length = 0;
7262 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7264 /* Rate : stuffing multiple values in a single event require a bit
7265 * more of magic - Jean II */
7266 current_val = current_ev + IW_EV_LCP_LEN;
7268 iwe.cmd = SIOCGIWRATE;
7269 /* Those two flags are ignored... */
7270 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7272 for(i = 0 ; i < 8 ; i++) {
7273 /* NULL terminated */
7274 if(bss->rates[i] == 0)
7276 /* Bit rate given in 500 kb/s units (+ 0x80) */
7277 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7278 /* Add new value to event */
7279 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7281 /* Check if we added any event */
7282 if((current_val - current_ev) > IW_EV_LCP_LEN)
7283 current_ev = current_val;
7285 /* Beacon interval */
7286 buf = kmalloc(30, GFP_KERNEL);
7288 iwe.cmd = IWEVCUSTOM;
7289 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7290 iwe.u.data.length = strlen(buf);
7291 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7295 /* Put WPA/RSN Information Elements into the event stream */
7296 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7297 unsigned int num_null_ies = 0;
7298 u16 length = sizeof (bss->extra.iep);
7299 struct ieee80211_info_element *info_element =
7300 (struct ieee80211_info_element *) &bss->extra.iep;
7302 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7303 if (sizeof(*info_element) + info_element->len > length) {
7304 /* Invalid element, don't continue parsing IE */
7308 switch (info_element->id) {
7309 case MFIE_TYPE_SSID:
7310 /* Two zero-length SSID elements
7311 * mean we're done parsing elements */
7312 if (!info_element->len)
7316 case MFIE_TYPE_GENERIC:
7317 if (info_element->len >= 4 &&
7318 info_element->data[0] == 0x00 &&
7319 info_element->data[1] == 0x50 &&
7320 info_element->data[2] == 0xf2 &&
7321 info_element->data[3] == 0x01) {
7322 iwe.cmd = IWEVGENIE;
7323 iwe.u.data.length = min(info_element->len + 2,
7325 current_ev = iwe_stream_add_point(current_ev, end_buf,
7326 &iwe, (char *) info_element);
7331 iwe.cmd = IWEVGENIE;
7332 iwe.u.data.length = min(info_element->len + 2,
7334 current_ev = iwe_stream_add_point(current_ev, end_buf,
7335 &iwe, (char *) info_element);
7342 length -= sizeof(*info_element) + info_element->len;
7344 (struct ieee80211_info_element *)&info_element->
7345 data[info_element->len];
7351 /*------------------------------------------------------------------*/
7353 * Wireless Handler : Read Scan Results
7355 static int airo_get_scan(struct net_device *dev,
7356 struct iw_request_info *info,
7357 struct iw_point *dwrq,
7360 struct airo_info *ai = dev->priv;
7361 BSSListElement *net;
7363 char *current_ev = extra;
7365 /* If a scan is in-progress, return -EAGAIN */
7366 if (ai->scan_timeout > 0)
7369 if (down_interruptible(&ai->sem))
7372 list_for_each_entry (net, &ai->network_list, list) {
7373 /* Translate to WE format this entry */
7374 current_ev = airo_translate_scan(dev, current_ev,
7375 extra + dwrq->length,
7378 /* Check if there is space for one more entry */
7379 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7380 /* Ask user space to try again with a bigger buffer */
7386 /* Length of data */
7387 dwrq->length = (current_ev - extra);
7388 dwrq->flags = 0; /* todo */
7395 /*------------------------------------------------------------------*/
7397 * Commit handler : called after a bunch of SET operations
7399 static int airo_config_commit(struct net_device *dev,
7400 struct iw_request_info *info, /* NULL */
7401 void *zwrq, /* NULL */
7402 char *extra) /* NULL */
7404 struct airo_info *local = dev->priv;
7406 if (!test_bit (FLAG_COMMIT, &local->flags))
7409 /* Some of the "SET" function may have modified some of the
7410 * parameters. It's now time to commit them in the card */
7411 disable_MAC(local, 1);
7412 if (test_bit (FLAG_RESET, &local->flags)) {
7413 APListRid APList_rid;
7416 readAPListRid(local, &APList_rid);
7417 readSsidRid(local, &SSID_rid);
7418 if (test_bit(FLAG_MPI,&local->flags))
7419 setup_card(local, dev->dev_addr, 1 );
7421 reset_airo_card(dev);
7422 disable_MAC(local, 1);
7423 writeSsidRid(local, &SSID_rid, 1);
7424 writeAPListRid(local, &APList_rid, 1);
7426 if (down_interruptible(&local->sem))
7427 return -ERESTARTSYS;
7428 writeConfigRid(local, 0);
7429 enable_MAC(local, 0);
7430 if (test_bit (FLAG_RESET, &local->flags))
7431 airo_set_promisc(local);
7438 /*------------------------------------------------------------------*/
7440 * Structures to export the Wireless Handlers
7443 static const struct iw_priv_args airo_private_args[] = {
7444 /*{ cmd, set_args, get_args, name } */
7445 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7446 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7447 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7448 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7451 static const iw_handler airo_handler[] =
7453 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7454 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7455 (iw_handler) NULL, /* SIOCSIWNWID */
7456 (iw_handler) NULL, /* SIOCGIWNWID */
7457 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7458 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7459 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7460 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7461 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7462 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7463 (iw_handler) NULL, /* SIOCSIWRANGE */
7464 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7465 (iw_handler) NULL, /* SIOCSIWPRIV */
7466 (iw_handler) NULL, /* SIOCGIWPRIV */
7467 (iw_handler) NULL, /* SIOCSIWSTATS */
7468 (iw_handler) NULL, /* SIOCGIWSTATS */
7469 iw_handler_set_spy, /* SIOCSIWSPY */
7470 iw_handler_get_spy, /* SIOCGIWSPY */
7471 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7472 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7473 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7474 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7475 (iw_handler) NULL, /* -- hole -- */
7476 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7477 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7478 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7479 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7480 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7481 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7482 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7483 (iw_handler) NULL, /* -- hole -- */
7484 (iw_handler) NULL, /* -- hole -- */
7485 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7486 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7487 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7488 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7489 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7490 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7491 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7492 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7493 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7494 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7495 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7496 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7497 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7498 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7499 (iw_handler) NULL, /* -- hole -- */
7500 (iw_handler) NULL, /* -- hole -- */
7501 (iw_handler) NULL, /* SIOCSIWGENIE */
7502 (iw_handler) NULL, /* SIOCGIWGENIE */
7503 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7504 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7505 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7506 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7507 (iw_handler) NULL, /* SIOCSIWPMKSA */
7510 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7511 * We want to force the use of the ioctl code, because those can't be
7512 * won't work the iw_handler code (because they simultaneously read
7513 * and write data and iw_handler can't do that).
7514 * Note that it's perfectly legal to read/write on a single ioctl command,
7515 * you just can't use iwpriv and need to force it via the ioctl handler.
7517 static const iw_handler airo_private_handler[] =
7519 NULL, /* SIOCIWFIRSTPRIV */
7522 static const struct iw_handler_def airo_handler_def =
7524 .num_standard = ARRAY_SIZE(airo_handler),
7525 .num_private = ARRAY_SIZE(airo_private_handler),
7526 .num_private_args = ARRAY_SIZE(airo_private_args),
7527 .standard = airo_handler,
7528 .private = airo_private_handler,
7529 .private_args = airo_private_args,
7530 .get_wireless_stats = airo_get_wireless_stats,
7534 * This defines the configuration part of the Wireless Extensions
7535 * Note : irq and spinlock protection will occur in the subroutines
7538 * o Check input value more carefully and fill correct values in range
7539 * o Test and shakeout the bugs (if any)
7543 * Javier Achirica did a great job of merging code from the unnamed CISCO
7544 * developer that added support for flashing the card.
7546 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7549 struct airo_info *ai = (struct airo_info *)dev->priv;
7551 if (ai->power.event)
7561 int val = AIROMAGIC;
7563 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7565 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7574 /* Get the command struct and hand it off for evaluation by
7575 * the proper subfunction
7579 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7584 /* Separate R/W functions bracket legality here
7586 if ( com.command == AIRORSWVERSION ) {
7587 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7592 else if ( com.command <= AIRORRID)
7593 rc = readrids(dev,&com);
7594 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7595 rc = writerids(dev,&com);
7596 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7597 rc = flashcard(dev,&com);
7599 rc = -EINVAL; /* Bad command in ioctl */
7602 #endif /* CISCO_EXT */
7604 // All other calls are currently unsupported
7612 * Get the Wireless stats out of the driver
7613 * Note : irq and spinlock protection will occur in the subroutines
7616 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7620 static void airo_read_wireless_stats(struct airo_info *local)
7622 StatusRid status_rid;
7624 CapabilityRid cap_rid;
7625 __le32 *vals = stats_rid.vals;
7627 /* Get stats out of the card */
7628 clear_bit(JOB_WSTATS, &local->jobs);
7629 if (local->power.event) {
7633 readCapabilityRid(local, &cap_rid, 0);
7634 readStatusRid(local, &status_rid, 0);
7635 readStatsRid(local, &stats_rid, RID_STATS, 0);
7639 local->wstats.status = le16_to_cpu(status_rid.mode);
7641 /* Signal quality and co */
7643 local->wstats.qual.level =
7644 airo_rssi_to_dbm(local->rssi,
7645 le16_to_cpu(status_rid.sigQuality));
7646 /* normalizedSignalStrength appears to be a percentage */
7647 local->wstats.qual.qual =
7648 le16_to_cpu(status_rid.normalizedSignalStrength);
7650 local->wstats.qual.level =
7651 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7652 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7654 if (le16_to_cpu(status_rid.len) >= 124) {
7655 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7656 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7658 local->wstats.qual.noise = 0;
7659 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7662 /* Packets discarded in the wireless adapter due to wireless
7663 * specific problems */
7664 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7665 le32_to_cpu(vals[57]) +
7666 le32_to_cpu(vals[58]); /* SSID Mismatch */
7667 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7668 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7669 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7670 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7671 le32_to_cpu(vals[32]);
7672 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7675 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7677 struct airo_info *local = dev->priv;
7679 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7680 /* Get stats out of the card if available */
7681 if (down_trylock(&local->sem) != 0) {
7682 set_bit(JOB_WSTATS, &local->jobs);
7683 wake_up_interruptible(&local->thr_wait);
7685 airo_read_wireless_stats(local);
7688 return &local->wstats;
7693 * This just translates from driver IOCTL codes to the command codes to
7694 * feed to the radio's host interface. Things can be added/deleted
7695 * as needed. This represents the READ side of control I/O to
7698 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7699 unsigned short ridcode;
7700 unsigned char *iobuf;
7702 struct airo_info *ai = dev->priv;
7704 if (test_bit(FLAG_FLASHING, &ai->flags))
7707 switch(comp->command)
7709 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7710 case AIROGCFG: ridcode = RID_CONFIG;
7711 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7712 disable_MAC (ai, 1);
7713 writeConfigRid (ai, 1);
7717 case AIROGSLIST: ridcode = RID_SSID; break;
7718 case AIROGVLIST: ridcode = RID_APLIST; break;
7719 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7720 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7721 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7722 /* Only super-user can read WEP keys */
7723 if (!capable(CAP_NET_ADMIN))
7726 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7727 /* Only super-user can read WEP keys */
7728 if (!capable(CAP_NET_ADMIN))
7731 case AIROGSTAT: ridcode = RID_STATUS; break;
7732 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7733 case AIROGSTATSC32: ridcode = RID_STATS; break;
7735 if (copy_to_user(comp->data, &ai->micstats,
7736 min((int)comp->len,(int)sizeof(ai->micstats))))
7739 case AIRORRID: ridcode = comp->ridnum; break;
7745 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7748 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7749 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7750 * then return it to the user
7751 * 9/22/2000 Honor user given length
7755 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7764 * Danger Will Robinson write the rids here
7767 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7768 struct airo_info *ai = dev->priv;
7771 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7772 unsigned char *iobuf;
7774 /* Only super-user can write RIDs */
7775 if (!capable(CAP_NET_ADMIN))
7778 if (test_bit(FLAG_FLASHING, &ai->flags))
7782 writer = do_writerid;
7784 switch(comp->command)
7786 case AIROPSIDS: ridcode = RID_SSID; break;
7787 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROPAPLIST: ridcode = RID_APLIST; break;
7789 case AIROPCFG: ai->config.len = 0;
7790 clear_bit(FLAG_COMMIT, &ai->flags);
7791 ridcode = RID_CONFIG; break;
7792 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7793 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7794 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7795 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7797 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7798 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7800 /* this is not really a rid but a command given to the card
7804 if (enable_MAC(ai, 1) != 0)
7809 * Evidently this code in the airo driver does not get a symbol
7810 * as disable_MAC. it's probably so short the compiler does not gen one.
7816 /* This command merely clears the counts does not actually store any data
7817 * only reads rid. But as it changes the cards state, I put it in the
7818 * writerid routines.
7821 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7824 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7826 enabled = ai->micstats.enabled;
7827 memset(&ai->micstats,0,sizeof(ai->micstats));
7828 ai->micstats.enabled = enabled;
7830 if (copy_to_user(comp->data, iobuf,
7831 min((int)comp->len, (int)RIDSIZE))) {
7839 return -EOPNOTSUPP; /* Blarg! */
7841 if(comp->len > RIDSIZE)
7844 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7847 if (copy_from_user(iobuf,comp->data,comp->len)) {
7852 if (comp->command == AIROPCFG) {
7853 ConfigRid *cfg = (ConfigRid *)iobuf;
7855 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7856 cfg->opmode |= MODE_MIC;
7858 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7859 set_bit (FLAG_ADHOC, &ai->flags);
7861 clear_bit (FLAG_ADHOC, &ai->flags);
7864 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7872 /*****************************************************************************
7873 * Ancillary flash / mod functions much black magic lurkes here *
7874 *****************************************************************************
7878 * Flash command switch table
7881 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7884 /* Only super-user can modify flash */
7885 if (!capable(CAP_NET_ADMIN))
7888 switch(comp->command)
7891 return cmdreset((struct airo_info *)dev->priv);
7894 if (!((struct airo_info *)dev->priv)->flash &&
7895 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7897 return setflashmode((struct airo_info *)dev->priv);
7899 case AIROFLSHGCHR: /* Get char from aux */
7900 if(comp->len != sizeof(int))
7902 if (copy_from_user(&z,comp->data,comp->len))
7904 return flashgchar((struct airo_info *)dev->priv,z,8000);
7906 case AIROFLSHPCHR: /* Send char to card. */
7907 if(comp->len != sizeof(int))
7909 if (copy_from_user(&z,comp->data,comp->len))
7911 return flashpchar((struct airo_info *)dev->priv,z,8000);
7913 case AIROFLPUTBUF: /* Send 32k to card */
7914 if (!((struct airo_info *)dev->priv)->flash)
7916 if(comp->len > FLASHSIZE)
7918 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7921 flashputbuf((struct airo_info *)dev->priv);
7925 if(flashrestart((struct airo_info *)dev->priv,dev))
7932 #define FLASH_COMMAND 0x7e7e
7936 * Disable MAC and do soft reset on
7940 static int cmdreset(struct airo_info *ai) {
7944 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7948 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7950 ssleep(1); /* WAS 600 12/7/00 */
7953 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7960 * Put the card in legendary flash
7964 static int setflashmode (struct airo_info *ai) {
7965 set_bit (FLAG_FLASHING, &ai->flags);
7967 OUT4500(ai, SWS0, FLASH_COMMAND);
7968 OUT4500(ai, SWS1, FLASH_COMMAND);
7970 OUT4500(ai, SWS0, FLASH_COMMAND);
7971 OUT4500(ai, COMMAND,0x10);
7973 OUT4500(ai, SWS2, FLASH_COMMAND);
7974 OUT4500(ai, SWS3, FLASH_COMMAND);
7975 OUT4500(ai, COMMAND,0);
7977 msleep(500); /* 500ms delay */
7980 clear_bit (FLAG_FLASHING, &ai->flags);
7981 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7987 /* Put character to SWS0 wait for dwelltime
7991 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8002 /* Wait for busy bit d15 to go false indicating buffer empty */
8003 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8008 /* timeout for busy clear wait */
8010 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8014 /* Port is clear now write byte and wait for it to echo back */
8016 OUT4500(ai,SWS0,byte);
8019 echo = IN4500(ai,SWS1);
8020 } while (dwelltime >= 0 && echo != byte);
8024 return (echo == byte) ? 0 : -EIO;
8028 * Get a character from the card matching matchbyte
8031 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8033 unsigned char rbyte=0;
8036 rchar = IN4500(ai,SWS1);
8038 if(dwelltime && !(0x8000 & rchar)){
8043 rbyte = 0xff & rchar;
8045 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8049 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8053 }while(dwelltime > 0);
8058 * Transfer 32k of firmware data from user buffer to our buffer and
8062 static int flashputbuf(struct airo_info *ai){
8066 if (test_bit(FLAG_MPI,&ai->flags))
8067 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8069 OUT4500(ai,AUXPAGE,0x100);
8070 OUT4500(ai,AUXOFF,0);
8072 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8073 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8076 OUT4500(ai,SWS0,0x8000);
8084 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8087 ssleep(1); /* Added 12/7/00 */
8088 clear_bit (FLAG_FLASHING, &ai->flags);
8089 if (test_bit(FLAG_MPI, &ai->flags)) {
8090 status = mpi_init_descriptors(ai);
8091 if (status != SUCCESS)
8094 status = setup_card(ai, dev->dev_addr, 1);
8096 if (!test_bit(FLAG_MPI,&ai->flags))
8097 for( i = 0; i < MAX_FIDS; i++ ) {
8098 ai->fids[i] = transmit_allocate
8099 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8102 ssleep(1); /* Added 12/7/00 */
8105 #endif /* CISCO_EXT */
8108 This program is free software; you can redistribute it and/or
8109 modify it under the terms of the GNU General Public License
8110 as published by the Free Software Foundation; either version 2
8111 of the License, or (at your option) any later version.
8113 This program is distributed in the hope that it will be useful,
8114 but WITHOUT ANY WARRANTY; without even the implied warranty of
8115 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8116 GNU General Public License for more details.
8120 Redistribution and use in source and binary forms, with or without
8121 modification, are permitted provided that the following conditions
8124 1. Redistributions of source code must retain the above copyright
8125 notice, this list of conditions and the following disclaimer.
8126 2. Redistributions in binary form must reproduce the above copyright
8127 notice, this list of conditions and the following disclaimer in the
8128 documentation and/or other materials provided with the distribution.
8129 3. The name of the author may not be used to endorse or promote
8130 products derived from this software without specific prior written
8133 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8134 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8135 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8136 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8137 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8138 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8139 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8140 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8141 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8142 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8143 POSSIBILITY OF SUCH DAMAGE.
8146 module_init(airo_init_module);
8147 module_exit(airo_cleanup_module);