blob: 57da70b07f1f90acdc430b51871dd6a0de35be7c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
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
7 the end of this file.
8
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>.
19
20======================================================================*/
21
Herbert Xuf12cc202006-08-22 20:36:13 +100022#include <linux/err.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
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>
35#include <linux/in.h>
36#include <linux/bitops.h>
David Hardeman378f0582005-09-17 17:55:31 +100037#include <linux/scatterlist.h>
Adrian Bunka39d3e72006-01-21 01:35:15 +010038#include <linux/crypto.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039#include <asm/io.h>
40#include <asm/system.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <asm/uaccess.h>
Dan Williams3c304952006-04-15 12:26:18 -040049#include <net/ieee80211.h>
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -070050#include <linux/kthread.h>
Nigel Cunningham7dfb7102006-12-06 20:34:23 -080051#include <linux/freezer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Adrian Bunkd3808762005-11-05 17:42:27 +010053#include "airo.h"
54
Linus Torvalds1da177e2005-04-16 15:20:36 -070055#ifdef CONFIG_PCI
56static struct pci_device_id card_ids[] = {
57 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
59 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0, }
65};
66MODULE_DEVICE_TABLE(pci, card_ids);
67
68static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
69static void airo_pci_remove(struct pci_dev *);
Pavel Machek05adc3b2005-04-16 15:25:25 -070070static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
Linus Torvalds1da177e2005-04-16 15:20:36 -070071static int airo_pci_resume(struct pci_dev *pdev);
72
73static struct pci_driver airo_driver = {
74 .name = "airo",
75 .id_table = card_ids,
76 .probe = airo_pci_probe,
77 .remove = __devexit_p(airo_pci_remove),
78 .suspend = airo_pci_suspend,
79 .resume = airo_pci_resume,
80};
81#endif /* CONFIG_PCI */
82
83/* Include Wireless Extension definition and check version - Jean II */
84#include <linux/wireless.h>
85#define WIRELESS_SPY // enable iwspy support
86#include <net/iw_handler.h> // New driver API
87
88#define CISCO_EXT // enable Cisco extensions
89#ifdef CISCO_EXT
90#include <linux/delay.h>
91#endif
92
Linus Torvalds1da177e2005-04-16 15:20:36 -070093/* Hack to do some power saving */
94#define POWER_ON_DOWN
95
96/* As you can see this list is HUGH!
97 I really don't know what a lot of these counts are about, but they
98 are all here for completeness. If the IGNLABEL macro is put in
99 infront of the label, that statistic will not be included in the list
100 of statistics in the /proc filesystem */
101
102#define IGNLABEL(comment) NULL
103static char *statsLabels[] = {
104 "RxOverrun",
105 IGNLABEL("RxPlcpCrcErr"),
106 IGNLABEL("RxPlcpFormatErr"),
107 IGNLABEL("RxPlcpLengthErr"),
108 "RxMacCrcErr",
109 "RxMacCrcOk",
110 "RxWepErr",
111 "RxWepOk",
112 "RetryLong",
113 "RetryShort",
114 "MaxRetries",
115 "NoAck",
116 "NoCts",
117 "RxAck",
118 "RxCts",
119 "TxAck",
120 "TxRts",
121 "TxCts",
122 "TxMc",
123 "TxBc",
124 "TxUcFrags",
125 "TxUcPackets",
126 "TxBeacon",
127 "RxBeacon",
128 "TxSinColl",
129 "TxMulColl",
130 "DefersNo",
131 "DefersProt",
132 "DefersEngy",
133 "DupFram",
134 "RxFragDisc",
135 "TxAged",
136 "RxAged",
137 "LostSync-MaxRetry",
138 "LostSync-MissedBeacons",
139 "LostSync-ArlExceeded",
140 "LostSync-Deauth",
141 "LostSync-Disassoced",
142 "LostSync-TsfTiming",
143 "HostTxMc",
144 "HostTxBc",
145 "HostTxUc",
146 "HostTxFail",
147 "HostRxMc",
148 "HostRxBc",
149 "HostRxUc",
150 "HostRxDiscard",
151 IGNLABEL("HmacTxMc"),
152 IGNLABEL("HmacTxBc"),
153 IGNLABEL("HmacTxUc"),
154 IGNLABEL("HmacTxFail"),
155 IGNLABEL("HmacRxMc"),
156 IGNLABEL("HmacRxBc"),
157 IGNLABEL("HmacRxUc"),
158 IGNLABEL("HmacRxDiscard"),
159 IGNLABEL("HmacRxAccepted"),
160 "SsidMismatch",
161 "ApMismatch",
162 "RatesMismatch",
163 "AuthReject",
164 "AuthTimeout",
165 "AssocReject",
166 "AssocTimeout",
167 IGNLABEL("ReasonOutsideTable"),
168 IGNLABEL("ReasonStatus1"),
169 IGNLABEL("ReasonStatus2"),
170 IGNLABEL("ReasonStatus3"),
171 IGNLABEL("ReasonStatus4"),
172 IGNLABEL("ReasonStatus5"),
173 IGNLABEL("ReasonStatus6"),
174 IGNLABEL("ReasonStatus7"),
175 IGNLABEL("ReasonStatus8"),
176 IGNLABEL("ReasonStatus9"),
177 IGNLABEL("ReasonStatus10"),
178 IGNLABEL("ReasonStatus11"),
179 IGNLABEL("ReasonStatus12"),
180 IGNLABEL("ReasonStatus13"),
181 IGNLABEL("ReasonStatus14"),
182 IGNLABEL("ReasonStatus15"),
183 IGNLABEL("ReasonStatus16"),
184 IGNLABEL("ReasonStatus17"),
185 IGNLABEL("ReasonStatus18"),
186 IGNLABEL("ReasonStatus19"),
187 "RxMan",
188 "TxMan",
189 "RxRefresh",
190 "TxRefresh",
191 "RxPoll",
192 "TxPoll",
193 "HostRetries",
194 "LostSync-HostReq",
195 "HostTxBytes",
196 "HostRxBytes",
197 "ElapsedUsec",
198 "ElapsedSec",
199 "LostSyncBetterAP",
200 "PrivacyMismatch",
201 "Jammed",
202 "DiscRxNotWepped",
203 "PhyEleMismatch",
204 (char*)-1 };
205#ifndef RUN_AT
206#define RUN_AT(x) (jiffies+(x))
207#endif
208
209
210/* These variables are for insmod, since it seems that the rates
211 can only be set in setup_card. Rates should be a comma separated
212 (no spaces) list of rates (up to 8). */
213
214static int rates[8];
215static int basic_rate;
216static char *ssids[3];
217
218static int io[4];
219static int irq[4];
220
221static
222int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
223 0 means no limit. For old cards this was 4 */
224
225static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
226static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
227 the bap, needed on some older cards and buses. */
228static int adhoc;
229
230static int probe = 1;
231
232static int proc_uid /* = 0 */;
233
234static int proc_gid /* = 0 */;
235
236static int airo_perm = 0555;
237
238static int proc_perm = 0644;
239
240MODULE_AUTHOR("Benjamin Reed");
241MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
242 cards. Direct support for ISA/PCI/MPI cards and support \
243 for PCMCIA when used with airo_cs.");
244MODULE_LICENSE("Dual BSD/GPL");
245MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
246module_param_array(io, int, NULL, 0);
247module_param_array(irq, int, NULL, 0);
248module_param(basic_rate, int, 0);
249module_param_array(rates, int, NULL, 0);
250module_param_array(ssids, charp, NULL, 0);
251module_param(auto_wep, int, 0);
252MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
253the authentication options until an association is made. The value of \
254auto_wep is number of the wep keys to check. A value of 2 will try using \
255the key at index 0 and index 1.");
256module_param(aux_bap, int, 0);
257MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
258than seems to work better for older cards with some older buses. Before \
259switching it checks that the switch is needed.");
260module_param(maxencrypt, int, 0);
261MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
262encryption. Units are in 512kbs. Zero (default) means there is no limit. \
263Older cards used to be limited to 2mbs (4).");
264module_param(adhoc, int, 0);
265MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
266module_param(probe, int, 0);
267MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
268
269module_param(proc_uid, int, 0);
270MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
271module_param(proc_gid, int, 0);
272MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
273module_param(airo_perm, int, 0);
274MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
275module_param(proc_perm, int, 0);
276MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
277
278/* This is a kind of sloppy hack to get this information to OUT4500 and
279 IN4500. I would be extremely interested in the situation where this
280 doesn't work though!!! */
281static int do8bitIO = 0;
282
283/* Return codes */
284#define SUCCESS 0
285#define ERROR -1
286#define NO_PACKET -2
287
288/* Commands */
289#define NOP2 0x0000
290#define MAC_ENABLE 0x0001
291#define MAC_DISABLE 0x0002
292#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
293#define CMD_SOFTRESET 0x0004
294#define HOSTSLEEP 0x0005
295#define CMD_MAGIC_PKT 0x0006
296#define CMD_SETWAKEMASK 0x0007
297#define CMD_READCFG 0x0008
298#define CMD_SETMODE 0x0009
299#define CMD_ALLOCATETX 0x000a
300#define CMD_TRANSMIT 0x000b
301#define CMD_DEALLOCATETX 0x000c
302#define NOP 0x0010
303#define CMD_WORKAROUND 0x0011
304#define CMD_ALLOCATEAUX 0x0020
305#define CMD_ACCESS 0x0021
306#define CMD_PCIBAP 0x0022
307#define CMD_PCIAUX 0x0023
308#define CMD_ALLOCBUF 0x0028
309#define CMD_GETTLV 0x0029
310#define CMD_PUTTLV 0x002a
311#define CMD_DELTLV 0x002b
312#define CMD_FINDNEXTTLV 0x002c
313#define CMD_PSPNODES 0x0030
314#define CMD_SETCW 0x0031
315#define CMD_SETPCF 0x0032
316#define CMD_SETPHYREG 0x003e
317#define CMD_TXTEST 0x003f
318#define MAC_ENABLETX 0x0101
319#define CMD_LISTBSS 0x0103
320#define CMD_SAVECFG 0x0108
321#define CMD_ENABLEAUX 0x0111
322#define CMD_WRITERID 0x0121
323#define CMD_USEPSPNODES 0x0130
324#define MAC_ENABLERX 0x0201
325
326/* Command errors */
327#define ERROR_QUALIF 0x00
328#define ERROR_ILLCMD 0x01
329#define ERROR_ILLFMT 0x02
330#define ERROR_INVFID 0x03
331#define ERROR_INVRID 0x04
332#define ERROR_LARGE 0x05
333#define ERROR_NDISABL 0x06
334#define ERROR_ALLOCBSY 0x07
335#define ERROR_NORD 0x0B
336#define ERROR_NOWR 0x0C
337#define ERROR_INVFIDTX 0x0D
338#define ERROR_TESTACT 0x0E
339#define ERROR_TAGNFND 0x12
340#define ERROR_DECODE 0x20
341#define ERROR_DESCUNAV 0x21
342#define ERROR_BADLEN 0x22
343#define ERROR_MODE 0x80
344#define ERROR_HOP 0x81
345#define ERROR_BINTER 0x82
346#define ERROR_RXMODE 0x83
347#define ERROR_MACADDR 0x84
348#define ERROR_RATES 0x85
349#define ERROR_ORDER 0x86
350#define ERROR_SCAN 0x87
351#define ERROR_AUTH 0x88
352#define ERROR_PSMODE 0x89
353#define ERROR_RTYPE 0x8A
354#define ERROR_DIVER 0x8B
355#define ERROR_SSID 0x8C
356#define ERROR_APLIST 0x8D
357#define ERROR_AUTOWAKE 0x8E
358#define ERROR_LEAP 0x8F
359
360/* Registers */
361#define COMMAND 0x00
362#define PARAM0 0x02
363#define PARAM1 0x04
364#define PARAM2 0x06
365#define STATUS 0x08
366#define RESP0 0x0a
367#define RESP1 0x0c
368#define RESP2 0x0e
369#define LINKSTAT 0x10
370#define SELECT0 0x18
371#define OFFSET0 0x1c
372#define RXFID 0x20
373#define TXALLOCFID 0x22
374#define TXCOMPLFID 0x24
375#define DATA0 0x36
376#define EVSTAT 0x30
377#define EVINTEN 0x32
378#define EVACK 0x34
379#define SWS0 0x28
380#define SWS1 0x2a
381#define SWS2 0x2c
382#define SWS3 0x2e
383#define AUXPAGE 0x3A
384#define AUXOFF 0x3C
385#define AUXDATA 0x3E
386
387#define FID_TX 1
388#define FID_RX 2
389/* Offset into aux memory for descriptors */
390#define AUX_OFFSET 0x800
391/* Size of allocated packets */
392#define PKTSIZE 1840
393#define RIDSIZE 2048
394/* Size of the transmit queue */
395#define MAXTXQ 64
396
397/* BAP selectors */
398#define BAP0 0 // Used for receiving packets
399#define BAP1 2 // Used for xmiting packets and working with RIDS
400
401/* Flags */
402#define COMMAND_BUSY 0x8000
403
404#define BAP_BUSY 0x8000
405#define BAP_ERR 0x4000
406#define BAP_DONE 0x2000
407
408#define PROMISC 0xffff
409#define NOPROMISC 0x0000
410
411#define EV_CMD 0x10
412#define EV_CLEARCOMMANDBUSY 0x4000
413#define EV_RX 0x01
414#define EV_TX 0x02
415#define EV_TXEXC 0x04
416#define EV_ALLOC 0x08
417#define EV_LINK 0x80
418#define EV_AWAKE 0x100
419#define EV_TXCPY 0x400
420#define EV_UNKNOWN 0x800
421#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
422#define EV_AWAKEN 0x2000
423#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
424
425#ifdef CHECK_UNKNOWN_INTS
426#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
427#else
428#define IGNORE_INTS (~STATUS_INTS)
429#endif
430
431/* RID TYPES */
432#define RID_RW 0x20
433
434/* The RIDs */
435#define RID_CAPABILITIES 0xFF00
436#define RID_APINFO 0xFF01
437#define RID_RADIOINFO 0xFF02
438#define RID_UNKNOWN3 0xFF03
439#define RID_RSSI 0xFF04
440#define RID_CONFIG 0xFF10
441#define RID_SSID 0xFF11
442#define RID_APLIST 0xFF12
443#define RID_DRVNAME 0xFF13
444#define RID_ETHERENCAP 0xFF14
445#define RID_WEP_TEMP 0xFF15
446#define RID_WEP_PERM 0xFF16
447#define RID_MODULATION 0xFF17
448#define RID_OPTIONS 0xFF18
449#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
450#define RID_FACTORYCONFIG 0xFF21
451#define RID_UNKNOWN22 0xFF22
452#define RID_LEAPUSERNAME 0xFF23
453#define RID_LEAPPASSWORD 0xFF24
454#define RID_STATUS 0xFF50
455#define RID_BEACON_HST 0xFF51
456#define RID_BUSY_HST 0xFF52
457#define RID_RETRIES_HST 0xFF53
458#define RID_UNKNOWN54 0xFF54
459#define RID_UNKNOWN55 0xFF55
460#define RID_UNKNOWN56 0xFF56
461#define RID_MIC 0xFF57
462#define RID_STATS16 0xFF60
463#define RID_STATS16DELTA 0xFF61
464#define RID_STATS16DELTACLEAR 0xFF62
465#define RID_STATS 0xFF68
466#define RID_STATSDELTA 0xFF69
467#define RID_STATSDELTACLEAR 0xFF6A
468#define RID_ECHOTEST_RID 0xFF70
469#define RID_ECHOTEST_RESULTS 0xFF71
470#define RID_BSSLISTFIRST 0xFF72
471#define RID_BSSLISTNEXT 0xFF73
Dan Williams3c304952006-04-15 12:26:18 -0400472#define RID_WPA_BSSLISTFIRST 0xFF74
473#define RID_WPA_BSSLISTNEXT 0xFF75
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474
475typedef struct {
476 u16 cmd;
477 u16 parm0;
478 u16 parm1;
479 u16 parm2;
480} Cmd;
481
482typedef struct {
483 u16 status;
484 u16 rsp0;
485 u16 rsp1;
486 u16 rsp2;
487} Resp;
488
489/*
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
493 */
494
495/* This is redundant for x86 archs, but it seems necessary for ARM */
496#pragma pack(1)
497
498/* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
500typedef struct {
501 u16 len;
502 u16 kindex;
503 u8 mac[ETH_ALEN];
504 u16 klen;
505 u8 key[16];
506} WepKeyRid;
507
508/* These structures are from the Aironet's PC4500 Developers Manual */
509typedef struct {
510 u16 len;
511 u8 ssid[32];
512} Ssid;
513
514typedef struct {
515 u16 len;
516 Ssid ssids[3];
517} SsidRid;
518
519typedef struct {
520 u16 len;
521 u16 modulation;
522#define MOD_DEFAULT 0
523#define MOD_CCK 1
524#define MOD_MOK 2
525} ModulationRid;
526
527typedef struct {
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530#define MODE_STA_IBSS 0
531#define MODE_STA_ESS 1
532#define MODE_AP 2
533#define MODE_AP_RPTR 3
534#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542#define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544#define RXMODE_BC_MC_ADDR 0
545#define RXMODE_BC_ADDR 1 /* ignore multicasts */
546#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547#define RXMODE_RFMON 3 /* wireless monitor mode */
548#define RXMODE_RFMON_ANYBSS 4
549#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
552 u16 fragThresh;
553 u16 rtsThres;
554 u8 macAddr[ETH_ALEN];
555 u8 rates[8];
556 u16 shortRetryLimit;
557 u16 longRetryLimit;
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
560 u16 stationary;
561 u16 ordering;
562 u16 u16deviceType; /* for overriding device type */
563 u16 cfpRate;
564 u16 cfpDuration;
565 u16 _reserved1[3];
566 /*---------- Scanning/Associating ----------*/
567 u16 scanMode;
568#define SCANMODE_ACTIVE 0
569#define SCANMODE_PASSIVE 1
570#define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
575 u16 joinNetTimeout;
576 u16 authTimeout;
577 u16 authType;
578#define AUTH_OPEN 0x1
579#define AUTH_ENCRYPT 0x101
580#define AUTH_SHAREDKEY 0x102
581#define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
586 u16 linkLossDelay;
587 u16 maxBeaconLostTime;
588 u16 refreshInterval;
589#define DISABLE_REFRESH 0xFFFF
590 u16 _reserved1a[1];
591 /*---------- Power save operation ----------*/
592 u16 powerSaveMode;
593#define POWERSAVE_CAM 0
594#define POWERSAVE_PSP 1
595#define POWERSAVE_PSPCAM 2
596 u16 sleepForDtims;
597 u16 listenInterval;
598 u16 fastListenInterval;
599 u16 listenDecay;
600 u16 fastListenDelay;
601 u16 _reserved2[2];
602 /*---------- Ap/Ibss config items ----------*/
603 u16 beaconPeriod;
604 u16 atimDuration;
605 u16 hopPeriod;
606 u16 channelSet;
607 u16 channel;
608 u16 dtimPeriod;
609 u16 bridgeDistance;
610 u16 radioID;
611 /*---------- Radio configuration ----------*/
612 u16 radioType;
613#define RADIOTYPE_DEFAULT 0
614#define RADIOTYPE_802_11 1
615#define RADIOTYPE_LEGACY 2
616 u8 rxDiversity;
617 u8 txDiversity;
618 u16 txPower;
619#define TXPOWER_DEFAULT 0
620 u16 rssiThreshold;
621#define RSSI_DEFAULT 0
622 u16 modulation;
623#define PREAMBLE_AUTO 0
624#define PREAMBLE_LONG 1
625#define PREAMBLE_SHORT 2
626 u16 preamble;
627 u16 homeProduct;
628 u16 radioSpecific;
629 /*---------- Aironet Extensions ----------*/
630 u8 nodeName[16];
631 u16 arlThreshold;
632 u16 arlDecay;
633 u16 arlDelay;
634 u16 _reserved4[1];
635 /*---------- Aironet Extensions ----------*/
636 u8 magicAction;
637#define MAGIC_ACTION_STSCHG 1
638#define MAGIC_ACTION_RESUME 2
639#define MAGIC_IGNORE_MCAST (1<<8)
640#define MAGIC_IGNORE_BCAST (1<<9)
641#define MAGIC_SWITCH_TO_PSP (0<<10)
642#define MAGIC_STAY_IN_CAM (1<<10)
643 u8 magicControl;
644 u16 autoWake;
645} ConfigRid;
646
647typedef struct {
648 u16 len;
649 u8 mac[ETH_ALEN];
650 u16 mode;
651 u16 errorCode;
652 u16 sigQuality;
653 u16 SSIDlen;
654 char SSID[32];
655 char apName[16];
656 u8 bssid[4][ETH_ALEN];
657 u16 beaconPeriod;
658 u16 dimPeriod;
659 u16 atimDuration;
660 u16 hopPeriod;
661 u16 channelSet;
662 u16 channel;
663 u16 hopsToBackbone;
664 u16 apTotalLoad;
665 u16 generatedLoad;
666 u16 accumulatedArl;
667 u16 signalQuality;
668 u16 currentXmitRate;
669 u16 apDevExtensions;
670 u16 normalizedSignalStrength;
671 u16 shortPreamble;
672 u8 apIP[4];
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
679 u16 load;
680 u8 carrier[4];
681 u16 assocStatus;
682#define STAT_NOPACKETS 0
683#define STAT_NOCARRIERSET 10
684#define STAT_GOTCARRIERSET 11
685#define STAT_WRONGSSID 20
686#define STAT_BADCHANNEL 25
687#define STAT_BADBITRATES 30
688#define STAT_BADPRIVACY 35
689#define STAT_APFOUND 40
690#define STAT_APREJECTED 50
691#define STAT_AUTHENTICATING 60
692#define STAT_DEAUTHENTICATED 61
693#define STAT_AUTHTIMEOUT 62
694#define STAT_ASSOCIATING 70
695#define STAT_DEASSOCIATED 71
696#define STAT_ASSOCTIMEOUT 72
697#define STAT_NOTAIROAP 73
698#define STAT_ASSOCIATED 80
699#define STAT_LEAPING 90
700#define STAT_LEAPFAILED 91
701#define STAT_LEAPTIMEDOUT 92
702#define STAT_LEAPCOMPLETE 93
703} StatusRid;
704
705typedef struct {
706 u16 len;
707 u16 spacer;
708 u32 vals[100];
709} StatsRid;
710
711
712typedef struct {
713 u16 len;
714 u8 ap[4][ETH_ALEN];
715} APListRid;
716
717typedef struct {
718 u16 len;
719 char oui[3];
720 char zero;
721 u16 prodNum;
722 char manName[32];
723 char prodName[16];
724 char prodVer[8];
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
727 u16 radioType;
728 u16 country;
729 char callid[ETH_ALEN];
730 char supportedRates[8];
731 char rxDiversity;
732 char txDiversity;
733 u16 txPowerLevels[8];
734 u16 hardVer;
735 u16 hardCap;
736 u16 tempRange;
737 u16 softVer;
738 u16 softSubVer;
739 u16 interfaceVer;
740 u16 softCap;
741 u16 bootBlockVer;
742 u16 requiredHard;
743 u16 extSoftCap;
744} CapabilityRid;
745
Dan Williams3c304952006-04-15 12:26:18 -0400746
747/* Only present on firmware >= 5.30.17 */
748typedef struct {
749 u16 unknown[4];
750 u8 fixed[12]; /* WLAN management frame */
751 u8 iep[624];
752} BSSListRidExtra;
753
Linus Torvalds1da177e2005-04-16 15:20:36 -0700754typedef struct {
755 u16 len;
756 u16 index; /* First is 0 and 0xffff means end of list */
757#define RADIO_FH 1 /* Frequency hopping radio type */
758#define RADIO_DS 2 /* Direct sequence radio type */
759#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
760 u16 radioType;
761 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
762 u8 zero;
763 u8 ssidLen;
764 u8 ssid[32];
Dan Williams41480af2005-05-10 09:45:51 -0400765 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766#define CAP_ESS (1<<0)
767#define CAP_IBSS (1<<1)
768#define CAP_PRIVACY (1<<4)
769#define CAP_SHORTHDR (1<<5)
770 u16 cap;
771 u16 beaconInterval;
772 u8 rates[8]; /* Same as rates for config rid */
773 struct { /* For frequency hopping only */
774 u16 dwell;
775 u8 hopSet;
776 u8 hopPattern;
777 u8 hopIndex;
778 u8 fill;
779 } fh;
780 u16 dsChannel;
781 u16 atimWindow;
Dan Williams3c304952006-04-15 12:26:18 -0400782
783 /* Only present on firmware >= 5.30.17 */
784 BSSListRidExtra extra;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700785} BSSListRid;
786
787typedef struct {
Dan Williams9e75af32006-03-16 13:46:29 -0500788 BSSListRid bss;
789 struct list_head list;
790} BSSListElement;
791
792typedef struct {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700793 u8 rssipct;
794 u8 rssidBm;
795} tdsRssiEntry;
796
797typedef struct {
798 u16 len;
799 tdsRssiEntry x[256];
800} tdsRssiRid;
801
802typedef struct {
803 u16 len;
804 u16 state;
805 u16 multicastValid;
806 u8 multicast[16];
807 u16 unicastValid;
808 u8 unicast[16];
809} MICRid;
810
811typedef struct {
812 u16 typelen;
813
814 union {
815 u8 snap[8];
816 struct {
817 u8 dsap;
818 u8 ssap;
819 u8 control;
820 u8 orgcode[3];
821 u8 fieldtype[2];
822 } llc;
823 } u;
824 u32 mic;
825 u32 seq;
826} MICBuffer;
827
828typedef struct {
829 u8 da[ETH_ALEN];
830 u8 sa[ETH_ALEN];
831} etherHead;
832
833#pragma pack()
834
835#define TXCTL_TXOK (1<<1) /* report if tx is ok */
836#define TXCTL_TXEX (1<<2) /* report if tx fails */
837#define TXCTL_802_3 (0<<3) /* 802.3 packet */
838#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
839#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
840#define TXCTL_LLC (1<<4) /* payload is llc */
841#define TXCTL_RELEASE (0<<5) /* release after completion */
842#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
843
844#define BUSY_FID 0x10000
845
846#ifdef CISCO_EXT
847#define AIROMAGIC 0xa55a
848/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
849#ifdef SIOCIWFIRSTPRIV
850#ifdef SIOCDEVPRIVATE
851#define AIROOLDIOCTL SIOCDEVPRIVATE
852#define AIROOLDIDIFC AIROOLDIOCTL + 1
853#endif /* SIOCDEVPRIVATE */
854#else /* SIOCIWFIRSTPRIV */
855#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
856#endif /* SIOCIWFIRSTPRIV */
857/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
858 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
859 * only and don't return the modified struct ifreq to the application which
860 * is usually a problem. - Jean II */
861#define AIROIOCTL SIOCIWFIRSTPRIV
862#define AIROIDIFC AIROIOCTL + 1
863
864/* Ioctl constants to be used in airo_ioctl.command */
865
866#define AIROGCAP 0 // Capability rid
867#define AIROGCFG 1 // USED A LOT
868#define AIROGSLIST 2 // System ID list
869#define AIROGVLIST 3 // List of specified AP's
870#define AIROGDRVNAM 4 // NOTUSED
871#define AIROGEHTENC 5 // NOTUSED
872#define AIROGWEPKTMP 6
873#define AIROGWEPKNV 7
874#define AIROGSTAT 8
875#define AIROGSTATSC32 9
876#define AIROGSTATSD32 10
877#define AIROGMICRID 11
878#define AIROGMICSTATS 12
879#define AIROGFLAGS 13
880#define AIROGID 14
881#define AIRORRID 15
882#define AIRORSWVERSION 17
883
884/* Leave gap of 40 commands after AIROGSTATSD32 for future */
885
886#define AIROPCAP AIROGSTATSD32 + 40
887#define AIROPVLIST AIROPCAP + 1
888#define AIROPSLIST AIROPVLIST + 1
889#define AIROPCFG AIROPSLIST + 1
890#define AIROPSIDS AIROPCFG + 1
891#define AIROPAPLIST AIROPSIDS + 1
892#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
893#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
894#define AIROPSTCLR AIROPMACOFF + 1
895#define AIROPWEPKEY AIROPSTCLR + 1
896#define AIROPWEPKEYNV AIROPWEPKEY + 1
897#define AIROPLEAPPWD AIROPWEPKEYNV + 1
898#define AIROPLEAPUSR AIROPLEAPPWD + 1
899
900/* Flash codes */
901
902#define AIROFLSHRST AIROPWEPKEYNV + 40
903#define AIROFLSHGCHR AIROFLSHRST + 1
904#define AIROFLSHSTFL AIROFLSHGCHR + 1
905#define AIROFLSHPCHR AIROFLSHSTFL + 1
906#define AIROFLPUTBUF AIROFLSHPCHR + 1
907#define AIRORESTART AIROFLPUTBUF + 1
908
909#define FLASHSIZE 32768
910#define AUXMEMSIZE (256 * 1024)
911
912typedef struct aironet_ioctl {
913 unsigned short command; // What to do
914 unsigned short len; // Len of data
915 unsigned short ridnum; // rid number
916 unsigned char __user *data; // d-data
917} aironet_ioctl;
918
Domen Puncer62595eb2005-06-20 23:54:37 +0200919static char swversion[] = "2.1";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700920#endif /* CISCO_EXT */
921
922#define NUM_MODULES 2
923#define MIC_MSGLEN_MAX 2400
924#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
Dan Williams15db2762006-03-16 13:46:27 -0500925#define AIRO_DEF_MTU 2312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700926
927typedef struct {
928 u32 size; // size
929 u8 enabled; // MIC enabled or not
930 u32 rxSuccess; // successful packets received
931 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
932 u32 rxNotMICed; // pkts dropped due to not being MIC'd
933 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
934 u32 rxWrongSequence; // pkts dropped due to sequence number violation
935 u32 reserve[32];
936} mic_statistics;
937
938typedef struct {
939 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
940 u64 accum; // accumulated mic, reduced to u32 in final()
941 int position; // current position (byte offset) in message
942 union {
943 u8 d8[4];
944 u32 d32;
945 } part; // saves partial message word across update() calls
946} emmh32_context;
947
948typedef struct {
949 emmh32_context seed; // Context - the seed
950 u32 rx; // Received sequence number
951 u32 tx; // Tx sequence number
952 u32 window; // Start of window
953 u8 valid; // Flag to say if context is valid or not
954 u8 key[16];
955} miccntx;
956
957typedef struct {
958 miccntx mCtx; // Multicast context
959 miccntx uCtx; // Unicast context
960} mic_module;
961
962typedef struct {
963 unsigned int rid: 16;
964 unsigned int len: 15;
965 unsigned int valid: 1;
966 dma_addr_t host_addr;
967} Rid;
968
969typedef struct {
970 unsigned int offset: 15;
971 unsigned int eoc: 1;
972 unsigned int len: 15;
973 unsigned int valid: 1;
974 dma_addr_t host_addr;
975} TxFid;
976
977typedef struct {
978 unsigned int ctl: 15;
979 unsigned int rdy: 1;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983} RxFid;
984
985/*
986 * Host receive descriptor
987 */
988typedef struct {
989 unsigned char __iomem *card_ram_off; /* offset into card memory of the
990 desc */
991 RxFid rx_desc; /* card receive descriptor */
992 char *virtual_host_addr; /* virtual address of host receive
993 buffer */
994 int pending;
995} HostRxDesc;
996
997/*
998 * Host transmit descriptor
999 */
1000typedef struct {
1001 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1002 desc */
1003 TxFid tx_desc; /* card transmit descriptor */
1004 char *virtual_host_addr; /* virtual address of host receive
1005 buffer */
1006 int pending;
1007} HostTxDesc;
1008
1009/*
1010 * Host RID descriptor
1011 */
1012typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 descriptor */
1015 Rid rid_desc; /* card RID descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018} HostRidDesc;
1019
1020typedef struct {
1021 u16 sw0;
1022 u16 sw1;
1023 u16 status;
1024 u16 len;
1025#define HOST_SET (1 << 0)
1026#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1027#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1028#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1029#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1030#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1031#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1032#define HOST_RTS (1 << 9) /* Force RTS use */
1033#define HOST_SHORT (1 << 10) /* Do short preamble */
1034 u16 ctl;
1035 u16 aid;
1036 u16 retries;
1037 u16 fill;
1038} TxCtlHdr;
1039
1040typedef struct {
1041 u16 ctl;
1042 u16 duration;
1043 char addr1[6];
1044 char addr2[6];
1045 char addr3[6];
1046 u16 seq;
1047 char addr4[6];
1048} WifiHdr;
1049
1050
1051typedef struct {
1052 TxCtlHdr ctlhdr;
1053 u16 fill1;
1054 u16 fill2;
1055 WifiHdr wifihdr;
1056 u16 gaplen;
1057 u16 status;
1058} WifiCtlHdr;
1059
Jouni Malinenff1d2762005-05-12 22:54:16 -04001060static WifiCtlHdr wifictlhdr8023 = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001061 .ctlhdr = {
1062 .ctl = HOST_DONT_RLSE,
1063 }
1064};
1065
Linus Torvalds1da177e2005-04-16 15:20:36 -07001066// Frequency list (map channels to frequencies)
1067static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1068 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1069
1070// A few details needed for WEP (Wireless Equivalent Privacy)
1071#define MAX_KEY_SIZE 13 // 128 (?) bits
1072#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1073typedef struct wep_key_t {
1074 u16 len;
1075 u8 key[16]; /* 40-bit and 104-bit keys */
1076} wep_key_t;
1077
1078/* Backward compatibility */
1079#ifndef IW_ENCODE_NOKEY
1080#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1081#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1082#endif /* IW_ENCODE_NOKEY */
1083
1084/* List of Wireless Handlers (new API) */
1085static const struct iw_handler_def airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001086
1087static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1088
1089struct airo_info;
1090
1091static int get_dec_u16( char *buffer, int *start, int limit );
1092static void OUT4500( struct airo_info *, u16 register, u16 value );
1093static unsigned short IN4500( struct airo_info *, u16 register );
1094static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1095static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1096static void disable_MAC(struct airo_info *ai, int lock);
1097static void enable_interrupts(struct airo_info*);
1098static void disable_interrupts(struct airo_info*);
1099static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1100static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1101static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1102 int whichbap);
1103static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1106 int whichbap);
1107static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1108static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1109static int PC4500_writerid(struct airo_info*, u16 rid, const void
1110 *pBuf, int len, int lock);
1111static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1112 int len, int dummy );
1113static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1114static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1115static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1116
1117static int mpi_send_packet (struct net_device *dev);
1118static void mpi_unmap_card(struct pci_dev *pci);
1119static void mpi_receive_802_3(struct airo_info *ai);
1120static void mpi_receive_802_11(struct airo_info *ai);
1121static int waitbusy (struct airo_info *ai);
1122
David Howells7d12e782006-10-05 14:55:46 +01001123static irqreturn_t airo_interrupt( int irq, void* dev_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001124static int airo_thread(void *data);
1125static void timer_func( struct net_device *dev );
1126static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001127static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001128static void airo_read_wireless_stats (struct airo_info *local);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001129#ifdef CISCO_EXT
1130static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131static int writerids(struct net_device *dev, aironet_ioctl *comp);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001132static int flashcard(struct net_device *dev, aironet_ioctl *comp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001133#endif /* CISCO_EXT */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001134static void micinit(struct airo_info *ai);
1135static int micsetup(struct airo_info *ai);
1136static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1138
Dan Williams41480af2005-05-10 09:45:51 -04001139static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1141
Dan Williams9e75af32006-03-16 13:46:29 -05001142static void airo_networks_free(struct airo_info *ai);
1143
Linus Torvalds1da177e2005-04-16 15:20:36 -07001144struct airo_info {
1145 struct net_device_stats stats;
1146 struct net_device *dev;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01001147 struct list_head dev_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1150#define MAX_FIDS 6
1151#define MPI_MAX_FIDS 1
1152 int fids[MAX_FIDS];
1153 ConfigRid config;
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160#define FLAG_RADIO_MASK 0x03
1161#define FLAG_ENABLED 2
1162#define FLAG_ADHOC 3 /* Needed by MIC */
1163#define FLAG_MIC_CAPABLE 4
1164#define FLAG_UPDATE_MULTI 5
1165#define FLAG_UPDATE_UNI 6
1166#define FLAG_802_11 7
Dan Williams3c304952006-04-15 12:26:18 -04001167#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001168#define FLAG_PENDING_XMIT 9
1169#define FLAG_PENDING_XMIT11 10
1170#define FLAG_MPI 11
1171#define FLAG_REGISTERED 12
1172#define FLAG_COMMIT 13
1173#define FLAG_RESET 14
1174#define FLAG_FLASHING 15
Dan Williams3c304952006-04-15 12:26:18 -04001175#define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1177#define JOB_DIE 0
1178#define JOB_XMIT 1
1179#define JOB_XMIT11 2
1180#define JOB_STATS 3
1181#define JOB_PROMISC 4
1182#define JOB_MIC 5
1183#define JOB_EVENT 6
1184#define JOB_AUTOWEP 7
1185#define JOB_WSTATS 8
1186#define JOB_SCAN_RESULTS 9
1187 unsigned long jobs;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 int whichbap);
1190 unsigned short *flash;
1191 tdsRssiEntry *rssi;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194 struct semaphore sem;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001195 wait_queue_head_t thr_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001202 struct iw_statistics wstats; // wireless stats
Dan Williams9e75af32006-03-16 13:46:29 -05001203 unsigned long scan_timeout; /* Time scan should be read */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206 /* MIC stuff */
Herbert Xuf12cc202006-08-22 20:36:13 +10001207 struct crypto_cipher *tfm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208 mic_module mod[2];
1209 mic_statistics micstats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
Pavel Machek1cc68ae2005-06-20 15:33:04 -07001220 pm_message_t power;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221 SsidRid *SSID;
1222 APListRid *APList;
1223#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
Dan Williams9e75af32006-03-16 13:46:29 -05001225
Dan Williams3c304952006-04-15 12:26:18 -04001226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
Dan Williams9e75af32006-03-16 13:46:29 -05001231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001234};
1235
1236static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239}
1240
1241static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
Jouni Malinenff1d2762005-05-12 22:54:16 -04001246static int cmdreset(struct airo_info *ai);
1247static int setflashmode (struct airo_info *ai);
1248static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249static int flashputbuf(struct airo_info *ai);
1250static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
Dan Williams934d8bf2006-03-16 13:46:23 -05001252#define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255#define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258#define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261#define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264#define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
Linus Torvalds1da177e2005-04-16 15:20:36 -07001268/***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274static void MoveWindow(miccntx *context, u32 micSeq);
Herbert Xuf12cc202006-08-22 20:36:13 +10001275static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001277static void emmh32_init(emmh32_context *context);
1278static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001281
1282/* micinit - Initialize mic seed */
1283
1284static void micinit(struct airo_info *ai)
1285{
1286 MICRid mic_rid;
1287
Dan Williams3c304952006-04-15 12:26:18 -04001288 clear_bit(JOB_MIC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 up(&ai->sem);
1291
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 }
1311
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 }
1329 } else {
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1332 */
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1335 }
1336}
1337
1338/* micsetup - Get ready for business */
1339
1340static int micsetup(struct airo_info *ai) {
1341 int i;
1342
1343 if (ai->tfm == NULL)
Herbert Xuf12cc202006-08-22 20:36:13 +10001344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001345
Herbert Xuf12cc202006-08-22 20:36:13 +10001346 if (IS_ERR(ai->tfm)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001347 airo_print_err(ai->dev->name, "failed to load transform for AES");
Herbert Xuf12cc202006-08-22 20:36:13 +10001348 ai->tfm = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001349 return ERROR;
1350 }
1351
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1355 }
1356 return SUCCESS;
1357}
1358
Jouni Malinenff1d2762005-05-12 22:54:16 -04001359static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
Linus Torvalds1da177e2005-04-16 15:20:36 -07001360
1361/*===========================================================================
1362 * Description: Mic a packet
1363 *
1364 * Inputs: etherHead * pointer to an 802.3 frame
1365 *
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1368 *
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1372 *
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1375 */
1376
1377static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378{
1379 miccntx *context;
1380
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1383
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1386 else
1387 context = &ai->mod[0].uCtx;
1388
1389 if (!context->valid)
1390 return ERROR;
1391
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395
1396 // Add Tx sequence
1397 mic->seq = htonl(context->tx);
1398 context->tx += 2;
1399
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1406
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1409 return SUCCESS;
1410}
1411
1412typedef enum {
1413 NONE,
1414 NOMIC,
1415 NOMICPLUMMED,
1416 SEQUENCE,
1417 INCORRECTMIC,
1418} mic_error;
1419
1420/*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1423 *
1424 * Inputs: etherHead pointer to the 802.3 packet
1425 *
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 *
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1431 */
1432
1433static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1434{
1435 int i;
1436 u32 micSEQ;
1437 miccntx *context;
1438 u8 digest[4];
1439 mic_error micError = NONE;
1440
1441 // Check if the packet is a Mic'd packet
1442
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1447 return ERROR;
1448 }
1449 return SUCCESS;
1450 }
1451
1452 if (ntohs(mic->typelen) == 0x888E)
1453 return SUCCESS;
1454
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1458 return ERROR;
1459 }
1460
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1465
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1469 return ERROR;
1470 }
1471
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476
1477 //Make sure context is valid
1478 if (!context->valid) {
1479 if (i == 0)
1480 micError = NOMICPLUMMED;
1481 continue;
1482 }
1483 //DeMic it
1484
1485 if (!mic->typelen)
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 //Calculate MIC
1494 emmh32_final(&context->seed, digest);
1495
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 //Invalid Mic
1498 if (i == 0)
1499 micError = INCORRECTMIC;
1500 continue;
1501 }
1502
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1506 return SUCCESS;
1507 }
1508 if (i == 0)
1509 micError = SEQUENCE;
1510 }
1511
1512 // Update statistics
1513 switch (micError) {
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1517 case NONE: break;
1518 case NOMIC: break;
1519 }
1520 return ERROR;
1521}
1522
1523/*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1526 *
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1529 *
1530 * Returns: TRUE if valid otherwise FALSE.
1531 *
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1535 */
1536
1537static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538{
1539 u32 seq,index;
1540
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1543
1544 if (mcast) {
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1549 }
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1554 }
1555
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1558
1559 //Too old of a SEQ number to check.
1560 if ((s32)seq < 0)
1561 return ERROR;
1562
1563 if ( seq > 64 ) {
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1566 return SUCCESS;
1567 }
1568
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1572
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1577
1578 MoveWindow(context,micSeq);
1579
1580 return SUCCESS;
1581 }
1582 return ERROR;
1583}
1584
1585static void MoveWindow(miccntx *context, u32 micSeq)
1586{
1587 u32 shift;
1588
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1592
1593 //Shift out old
1594 if (shift < 32)
1595 context->rx >>= shift;
1596 else
1597 context->rx = 0;
1598
1599 context->window = micSeq; //Move window
1600 }
1601}
1602
1603/*==============================================*/
1604/*========== EMMH ROUTINES ====================*/
1605/*==============================================*/
1606
1607/* mic accumulate */
1608#define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610
1611static unsigned char aes_counter[16];
1612
1613/* expand the key to fill the MMH coefficient array */
Herbert Xuf12cc202006-08-22 20:36:13 +10001614static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001616{
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1619
1620 int i,j;
1621 u32 counter;
1622 u8 *cipher, plain[16];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001623
1624 crypto_cipher_setkey(tfm, pkey, 16);
1625 counter = 0;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001626 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1631 counter++;
1632 memcpy (plain, aes_counter, 16);
Herbert Xuf12cc202006-08-22 20:36:13 +10001633 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 cipher = plain;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001635 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1637 j += 4;
1638 }
1639 }
1640}
1641
1642/* prepare for calculation of a new mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001643static void emmh32_init(emmh32_context *context)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001644{
1645 /* prepare for new mic calculation */
1646 context->accum = 0;
1647 context->position = 0;
1648}
1649
1650/* add some bytes to the mic calculation */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001651static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001652{
1653 int coeff_position, byte_position;
1654
1655 if (len == 0) return;
1656
1657 coeff_position = context->position >> 2;
1658
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1663 do {
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1667 len--;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1670 }
1671
1672 /* deal with full 32-bit words */
1673 while (len >= 4) {
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1676 pOctets += 4;
1677 len -= 4;
1678 }
1679
1680 /* deal with partial 32-bit word that will be left over from this update */
1681 byte_position = 0;
1682 while (len > 0) {
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 }
1687}
1688
1689/* mask used to zero empty bytes for final partial word */
1690static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691
1692/* calculate the mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001693static void emmh32_final(emmh32_context *context, u8 digest[4])
Linus Torvalds1da177e2005-04-16 15:20:36 -07001694{
1695 int coeff_position, byte_position;
1696 u32 val;
1697
1698 u64 sum, utmp;
1699 s64 stmp;
1700
1701 coeff_position = context->position >> 2;
1702
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 }
1710
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1717 sum -= 15;
1718
1719 val = (u32)sum;
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1724}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001725
1726static int readBSSListRid(struct airo_info *ai, int first,
1727 BSSListRid *list) {
1728 int rc;
Dan Williams3c304952006-04-15 12:26:18 -04001729 Cmd cmd;
1730 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001731
1732 if (first == 1) {
Dan Williams3c304952006-04-15 12:26:18 -04001733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001738 ai->list_bss_task = current;
Dan Williams3c304952006-04-15 12:26:18 -04001739 issuecommand(ai, &cmd, &rsp);
1740 up(&ai->sem);
1741 /* Let the command take effect */
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04001744 }
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001747
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
Dan Williams41480af2005-05-10 09:45:51 -04001756 list->dBm = le16_to_cpu(list->dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001757 return rc;
1758}
1759
1760static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1763
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1767 return rc;
1768}
1769/* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 int rc;
1773 WepKeyRid wkr = *pwkr;
1774
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
Dan Williams934d8bf2006-03-16 13:46:23 -05001779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001780 if (perm) {
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001784 }
1785 }
1786 return rc;
1787}
1788
1789static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int i;
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1796 }
1797 return rc;
1798}
1799static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 int rc;
1801 int i;
1802 SsidRid ssidr = *pssidr;
1803
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 }
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 return rc;
1810}
1811static int readConfigRid(struct airo_info*ai, int lock) {
1812 int rc;
1813 u16 *s;
1814 ConfigRid cfg;
1815
1816 if (ai->config.len)
1817 return SUCCESS;
1818
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1820 if (rc != SUCCESS)
1821 return rc;
1822
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1827
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1830
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1833
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1836
1837 ai->config = cfg;
1838 return SUCCESS;
1839}
1840static inline void checkThrottle(struct airo_info *ai) {
1841 int i;
1842/* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1847 }
1848 }
1849 }
1850}
1851static int writeConfigRid(struct airo_info*ai, int lock) {
1852 u16 *s;
1853 ConfigRid cfgr;
1854
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 return SUCCESS;
1857
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1860 checkThrottle(ai);
1861 cfgr = ai->config;
1862
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1865 else
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1867
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1872
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1875
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1878
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1881
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883}
1884static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 u16 *s;
1887
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 return rc;
1896}
1897static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1900 return rc;
1901}
1902static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 int rc;
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 return rc;
1907}
1908static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 u16 *s;
1911
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1918 return rc;
1919}
1920static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 u32 *i;
1923
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1926 return rc;
1927}
1928
1929static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1931 Resp rsp;
1932
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1934 return -EIO;
1935
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1943 }
1944
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1949 }
1950 enable_MAC(info, &rsp, 1);
1951
1952 netif_start_queue(dev);
1953 return 0;
1954}
1955
1956static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1960
1961 if (!skb) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001963 return 0;
1964 }
1965 npacks = skb_queue_len (&ai->txq);
1966
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1971 return 1;
1972 }
1973 skb_queue_tail (&ai->txq, skb);
1974 return 0;
1975 }
1976
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1982
1983 if (pending == 0) {
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1986 }
1987 return 0;
1988}
1989
1990/*
1991 * @mpi_send_packet
1992 *
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1995 */
1996
1997static int mpi_send_packet (struct net_device *dev)
1998{
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2003 u8 *sendbuf;
2004
2005 /* get a packet to send */
2006
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002010 __FUNCTION__);
2011 return 0;
2012 }
2013
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2016 buffer = skb->data;
2017
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2022
2023/*
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2029 */
2030
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2038
2039 /*
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2042 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2045 MICBuffer pMic;
2046
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2048 return ERROR;
2049
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
Adrian Bunka39d3e72006-01-21 01:35:15 +01002059 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061
2062 dev->trans_start = jiffies;
2063
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2066 }
2067
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070
2071 OUT4500(ai, EVACK, 8);
2072
2073 dev_kfree_skb_any(skb);
2074 return 1;
2075}
2076
Gabriel A. Devenyi29b09fc2005-11-03 19:30:47 -05002077static void get_tx_error(struct airo_info *ai, s32 fid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002078{
2079 u16 status;
2080
2081 if (fid < 0)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 else {
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 return;
2086 bap_read(ai, &status, 2, BAP0);
2087 }
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 { }
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 { }
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2105 char junk[0x18];
2106
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2119 * - Jean II */
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2122
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2125 }
2126}
2127
2128static void airo_end_xmit(struct net_device *dev) {
2129 u16 status;
2130 int i;
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2135
Dan Williams3c304952006-04-15 12:26:18 -04002136 clear_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2139 up(&priv->sem);
2140
2141 i = 0;
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 } else {
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2148 }
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2151 dev_kfree_skb(skb);
2152}
2153
2154static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2155 s16 len;
2156 int i, j;
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2159
2160 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002162 return 0;
2163 }
2164
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2171
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2174 return 1;
2175 }
2176 }
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2182 priv->xmit.fid = i;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002186 set_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002187 wake_up_interruptible(&priv->thr_wait);
2188 } else
2189 airo_end_xmit(dev);
2190 return 0;
2191}
2192
2193static void airo_end_xmit11(struct net_device *dev) {
2194 u16 status;
2195 int i;
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2200
Dan Williams3c304952006-04-15 12:26:18 -04002201 clear_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2204 up(&priv->sem);
2205
2206 i = MAX_FIDS / 2;
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 } else {
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2213 }
2214 if (i < MAX_FIDS)
2215 netif_wake_queue(dev);
2216 dev_kfree_skb(skb);
2217}
2218
2219static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2220 s16 len;
2221 int i, j;
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2224
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2228 return -ENETDOWN;
2229 }
2230
2231 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002233 return 0;
2234 }
2235
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2242
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2245 return 1;
2246 }
2247 }
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002257 set_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002258 wake_up_interruptible(&priv->thr_wait);
2259 } else
2260 airo_end_xmit11(dev);
2261 return 0;
2262}
2263
2264static void airo_read_stats(struct airo_info *ai) {
2265 StatsRid stats_rid;
2266 u32 *vals = stats_rid.vals;
2267
Dan Williams3c304952006-04-15 12:26:18 -04002268 clear_bit(JOB_STATS, &ai->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07002269 if (ai->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002270 up(&ai->sem);
2271 return;
2272 }
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2274 up(&ai->sem);
2275
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2284
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2290}
2291
Jouni Malinenff1d2762005-05-12 22:54:16 -04002292static struct net_device_stats *airo_get_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002293{
2294 struct airo_info *local = dev->priv;
2295
Dan Williams3c304952006-04-15 12:26:18 -04002296 if (!test_bit(JOB_STATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002299 set_bit(JOB_STATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002300 wake_up_interruptible(&local->thr_wait);
2301 } else
2302 airo_read_stats(local);
2303 }
2304
2305 return &local->stats;
2306}
2307
2308static void airo_set_promisc(struct airo_info *ai) {
2309 Cmd cmd;
2310 Resp rsp;
2311
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
Dan Williams3c304952006-04-15 12:26:18 -04002314 clear_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2317 up(&ai->sem);
2318}
2319
2320static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2322
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002326 set_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002327 wake_up_interruptible(&ai->thr_wait);
2328 } else
2329 airo_set_promisc(ai);
2330 }
2331
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2334 }
2335}
2336
2337static int airo_set_mac_address(struct net_device *dev, void *p)
2338{
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2341 Resp rsp;
2342
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2346 disable_MAC(ai, 1);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 if (ai->wifidev)
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2352 return 0;
2353}
2354
2355static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356{
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2358 return -EINVAL;
2359 dev->mtu = new_mtu;
2360 return 0;
2361}
2362
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002363static LIST_HEAD(airo_devices);
2364
2365static void add_airo_dev(struct airo_info *ai)
2366{
2367 /* Upper layers already keep track of PCI devices,
2368 * so we only need to remember our non-PCI cards. */
2369 if (!ai->pci)
2370 list_add_tail(&ai->dev_list, &airo_devices);
2371}
2372
2373static void del_airo_dev(struct airo_info *ai)
2374{
2375 if (!ai->pci)
2376 list_del(&ai->dev_list);
2377}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002378
2379static int airo_close(struct net_device *dev) {
2380 struct airo_info *ai = dev->priv;
2381
2382 netif_stop_queue(dev);
2383
2384 if (ai->wifidev != dev) {
2385#ifdef POWER_ON_DOWN
2386 /* Shut power to the card. The idea is that the user can save
2387 * power when he doesn't need the card with "ifconfig down".
2388 * That's the method that is most friendly towards the network
2389 * stack (i.e. the network stack won't try to broadcast
2390 * anything on the interface and routes are gone. Jean II */
2391 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_MAC(ai, 1);
2393#endif
2394 disable_interrupts( ai );
2395 }
2396 return 0;
2397}
2398
Linus Torvalds1da177e2005-04-16 15:20:36 -07002399void stop_airo_card( struct net_device *dev, int freeres )
2400{
2401 struct airo_info *ai = dev->priv;
2402
2403 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2404 disable_MAC(ai, 1);
2405 disable_interrupts(ai);
2406 free_irq( dev->irq, dev );
2407 takedown_proc_entry( dev, ai );
2408 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2409 unregister_netdev( dev );
2410 if (ai->wifidev) {
2411 unregister_netdev(ai->wifidev);
2412 free_netdev(ai->wifidev);
2413 ai->wifidev = NULL;
2414 }
2415 clear_bit(FLAG_REGISTERED, &ai->flags);
2416 }
Dan Williams3c304952006-04-15 12:26:18 -04002417 set_bit(JOB_DIE, &ai->jobs);
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07002418 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002419
2420 /*
2421 * Clean out tx queue
2422 */
David S. Millerb03efcf2005-07-08 14:57:23 -07002423 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002424 struct sk_buff *skb = NULL;
2425 for (;(skb = skb_dequeue(&ai->txq));)
2426 dev_kfree_skb(skb);
2427 }
2428
Dan Williams9e75af32006-03-16 13:46:29 -05002429 airo_networks_free (ai);
2430
Jesper Juhlb4558ea2005-10-28 16:53:13 -04002431 kfree(ai->flash);
2432 kfree(ai->rssi);
2433 kfree(ai->APList);
2434 kfree(ai->SSID);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002435 if (freeres) {
2436 /* PCMCIA frees this stuff, so only for PCI and ISA */
2437 release_region( dev->base_addr, 64 );
2438 if (test_bit(FLAG_MPI, &ai->flags)) {
2439 if (ai->pci)
2440 mpi_unmap_card(ai->pci);
2441 if (ai->pcimem)
2442 iounmap(ai->pcimem);
2443 if (ai->pciaux)
2444 iounmap(ai->pciaux);
2445 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2446 ai->shared, ai->shared_dma);
2447 }
2448 }
Herbert Xuf12cc202006-08-22 20:36:13 +10002449 crypto_free_cipher(ai->tfm);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002450 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002451 free_netdev( dev );
2452}
2453
2454EXPORT_SYMBOL(stop_airo_card);
2455
Jouni Malinenff1d2762005-05-12 22:54:16 -04002456static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002457{
Arnaldo Carvalho de Melo98e399f2007-03-19 15:33:04 -07002458 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002459 return ETH_ALEN;
2460}
2461
2462static void mpi_unmap_card(struct pci_dev *pci)
2463{
2464 unsigned long mem_start = pci_resource_start(pci, 1);
2465 unsigned long mem_len = pci_resource_len(pci, 1);
2466 unsigned long aux_start = pci_resource_start(pci, 2);
2467 unsigned long aux_len = AUXMEMSIZE;
2468
2469 release_mem_region(aux_start, aux_len);
2470 release_mem_region(mem_start, mem_len);
2471}
2472
2473/*************************************************************
2474 * This routine assumes that descriptors have been setup .
2475 * Run at insmod time or after reset when the decriptors
2476 * have been initialized . Returns 0 if all is well nz
2477 * otherwise . Does not allocate memory but sets up card
2478 * using previously allocated descriptors.
2479 */
2480static int mpi_init_descriptors (struct airo_info *ai)
2481{
2482 Cmd cmd;
2483 Resp rsp;
2484 int i;
2485 int rc = SUCCESS;
2486
2487 /* Alloc card RX descriptors */
2488 netif_stop_queue(ai->dev);
2489
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2492
2493 cmd.cmd = CMD_ALLOCATEAUX;
2494 cmd.parm0 = FID_RX;
2495 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2497 rc=issuecommand(ai, &cmd, &rsp);
2498 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002499 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002500 return rc;
2501 }
2502
2503 for (i=0; i<MPI_MAX_FIDS; i++) {
2504 memcpy_toio(ai->rxfids[i].card_ram_off,
2505 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2506 }
2507
2508 /* Alloc card TX descriptors */
2509
2510 memset(&rsp,0,sizeof(rsp));
2511 memset(&cmd,0,sizeof(cmd));
2512
2513 cmd.cmd = CMD_ALLOCATEAUX;
2514 cmd.parm0 = FID_TX;
2515 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2516 cmd.parm2 = MPI_MAX_FIDS;
2517
2518 for (i=0; i<MPI_MAX_FIDS; i++) {
2519 ai->txfids[i].tx_desc.valid = 1;
2520 memcpy_toio(ai->txfids[i].card_ram_off,
2521 &ai->txfids[i].tx_desc, sizeof(TxFid));
2522 }
2523 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2524
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002527 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002528 return rc;
2529 }
2530
2531 /* Alloc card Rid descriptor */
2532 memset(&rsp,0,sizeof(rsp));
2533 memset(&cmd,0,sizeof(cmd));
2534
2535 cmd.cmd = CMD_ALLOCATEAUX;
2536 cmd.parm0 = RID_RW;
2537 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2538 cmd.parm2 = 1; /* Magic number... */
2539 rc=issuecommand(ai, &cmd, &rsp);
2540 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002541 airo_print_err(ai->dev->name, "Couldn't allocate RID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002542 return rc;
2543 }
2544
2545 memcpy_toio(ai->config_desc.card_ram_off,
2546 &ai->config_desc.rid_desc, sizeof(Rid));
2547
2548 return rc;
2549}
2550
2551/*
2552 * We are setting up three things here:
2553 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2554 * 2) Map PCI memory for issueing commands.
2555 * 3) Allocate memory (shared) to send and receive ethernet frames.
2556 */
2557static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2558 const char *name)
2559{
2560 unsigned long mem_start, mem_len, aux_start, aux_len;
2561 int rc = -1;
2562 int i;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002563 dma_addr_t busaddroff;
2564 unsigned char *vpackoff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002565 unsigned char __iomem *pciaddroff;
2566
2567 mem_start = pci_resource_start(pci, 1);
2568 mem_len = pci_resource_len(pci, 1);
2569 aux_start = pci_resource_start(pci, 2);
2570 aux_len = AUXMEMSIZE;
2571
2572 if (!request_mem_region(mem_start, mem_len, name)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002573 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002574 (int)mem_start, (int)mem_len, name);
2575 goto out;
2576 }
2577 if (!request_mem_region(aux_start, aux_len, name)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002578 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002579 (int)aux_start, (int)aux_len, name);
2580 goto free_region1;
2581 }
2582
2583 ai->pcimem = ioremap(mem_start, mem_len);
2584 if (!ai->pcimem) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002585 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002586 (int)mem_start, (int)mem_len, name);
2587 goto free_region2;
2588 }
2589 ai->pciaux = ioremap(aux_start, aux_len);
2590 if (!ai->pciaux) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002591 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002592 (int)aux_start, (int)aux_len, name);
2593 goto free_memmap;
2594 }
2595
2596 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2597 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2598 if (!ai->shared) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002599 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002600 PCI_SHARED_LEN);
2601 goto free_auxmap;
2602 }
2603
2604 /*
2605 * Setup descriptor RX, TX, CONFIG
2606 */
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002607 busaddroff = ai->shared_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002608 pciaddroff = ai->pciaux + AUX_OFFSET;
2609 vpackoff = ai->shared;
2610
2611 /* RX descriptor setup */
2612 for(i = 0; i < MPI_MAX_FIDS; i++) {
2613 ai->rxfids[i].pending = 0;
2614 ai->rxfids[i].card_ram_off = pciaddroff;
2615 ai->rxfids[i].virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002616 ai->rxfids[i].rx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002617 ai->rxfids[i].rx_desc.valid = 1;
2618 ai->rxfids[i].rx_desc.len = PKTSIZE;
2619 ai->rxfids[i].rx_desc.rdy = 0;
2620
2621 pciaddroff += sizeof(RxFid);
2622 busaddroff += PKTSIZE;
2623 vpackoff += PKTSIZE;
2624 }
2625
2626 /* TX descriptor setup */
2627 for(i = 0; i < MPI_MAX_FIDS; i++) {
2628 ai->txfids[i].card_ram_off = pciaddroff;
2629 ai->txfids[i].virtual_host_addr = vpackoff;
2630 ai->txfids[i].tx_desc.valid = 1;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002631 ai->txfids[i].tx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002632 memcpy(ai->txfids[i].virtual_host_addr,
2633 &wifictlhdr8023, sizeof(wifictlhdr8023));
2634
2635 pciaddroff += sizeof(TxFid);
2636 busaddroff += PKTSIZE;
2637 vpackoff += PKTSIZE;
2638 }
2639 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2640
2641 /* Rid descriptor setup */
2642 ai->config_desc.card_ram_off = pciaddroff;
2643 ai->config_desc.virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002644 ai->config_desc.rid_desc.host_addr = busaddroff;
2645 ai->ridbus = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002646 ai->config_desc.rid_desc.rid = 0;
2647 ai->config_desc.rid_desc.len = RIDSIZE;
2648 ai->config_desc.rid_desc.valid = 1;
2649 pciaddroff += sizeof(Rid);
2650 busaddroff += RIDSIZE;
2651 vpackoff += RIDSIZE;
2652
2653 /* Tell card about descriptors */
2654 if (mpi_init_descriptors (ai) != SUCCESS)
2655 goto free_shared;
2656
2657 return 0;
2658 free_shared:
2659 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2660 free_auxmap:
2661 iounmap(ai->pciaux);
2662 free_memmap:
2663 iounmap(ai->pcimem);
2664 free_region2:
2665 release_mem_region(aux_start, aux_len);
2666 free_region1:
2667 release_mem_region(mem_start, mem_len);
2668 out:
2669 return rc;
2670}
2671
2672static void wifi_setup(struct net_device *dev)
2673{
2674 dev->hard_header = NULL;
2675 dev->rebuild_header = NULL;
2676 dev->hard_header_cache = NULL;
2677 dev->header_cache_update= NULL;
2678
2679 dev->hard_header_parse = wll_header_parse;
2680 dev->hard_start_xmit = &airo_start_xmit11;
2681 dev->get_stats = &airo_get_stats;
2682 dev->set_mac_address = &airo_set_mac_address;
2683 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002684 dev->wireless_handlers = &airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002685 dev->change_mtu = &airo_change_mtu;
2686 dev->open = &airo_open;
2687 dev->stop = &airo_close;
2688
2689 dev->type = ARPHRD_IEEE80211;
2690 dev->hard_header_len = ETH_HLEN;
Dan Williams15db2762006-03-16 13:46:27 -05002691 dev->mtu = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002692 dev->addr_len = ETH_ALEN;
2693 dev->tx_queue_len = 100;
2694
2695 memset(dev->broadcast,0xFF, ETH_ALEN);
2696
2697 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2698}
2699
2700static struct net_device *init_wifidev(struct airo_info *ai,
2701 struct net_device *ethdev)
2702{
2703 int err;
2704 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2705 if (!dev)
2706 return NULL;
2707 dev->priv = ethdev->priv;
2708 dev->irq = ethdev->irq;
2709 dev->base_addr = ethdev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002710 dev->wireless_data = ethdev->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002711 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2712 err = register_netdev(dev);
2713 if (err<0) {
2714 free_netdev(dev);
2715 return NULL;
2716 }
2717 return dev;
2718}
2719
Jouni Malinenff1d2762005-05-12 22:54:16 -04002720static int reset_card( struct net_device *dev , int lock) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002721 struct airo_info *ai = dev->priv;
2722
2723 if (lock && down_interruptible(&ai->sem))
2724 return -1;
2725 waitbusy (ai);
2726 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2727 msleep(200);
2728 waitbusy (ai);
2729 msleep(200);
2730 if (lock)
2731 up(&ai->sem);
2732 return 0;
2733}
2734
Dan Williams3c304952006-04-15 12:26:18 -04002735#define AIRO_MAX_NETWORK_COUNT 64
Dan Williams9e75af32006-03-16 13:46:29 -05002736static int airo_networks_allocate(struct airo_info *ai)
2737{
2738 if (ai->networks)
2739 return 0;
2740
2741 ai->networks =
Dan Williams3c304952006-04-15 12:26:18 -04002742 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
Dan Williams9e75af32006-03-16 13:46:29 -05002743 GFP_KERNEL);
2744 if (!ai->networks) {
2745 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2746 return -ENOMEM;
2747 }
2748
2749 return 0;
2750}
2751
2752static void airo_networks_free(struct airo_info *ai)
2753{
Dan Williams9e75af32006-03-16 13:46:29 -05002754 kfree(ai->networks);
2755 ai->networks = NULL;
2756}
2757
2758static void airo_networks_initialize(struct airo_info *ai)
2759{
2760 int i;
2761
2762 INIT_LIST_HEAD(&ai->network_free_list);
2763 INIT_LIST_HEAD(&ai->network_list);
Dan Williams3c304952006-04-15 12:26:18 -04002764 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
Dan Williams9e75af32006-03-16 13:46:29 -05002765 list_add_tail(&ai->networks[i].list,
2766 &ai->network_free_list);
2767}
2768
Dan Williams3c304952006-04-15 12:26:18 -04002769static int airo_test_wpa_capable(struct airo_info *ai)
2770{
2771 int status;
2772 CapabilityRid cap_rid;
2773 const char *name = ai->dev->name;
2774
2775 status = readCapabilityRid(ai, &cap_rid, 1);
2776 if (status != SUCCESS) return 0;
2777
2778 /* Only firmware versions 5.30.17 or better can do WPA */
2779 if ((cap_rid.softVer > 0x530)
Michal Schmidt0c6157a2006-05-02 23:29:55 +02002780 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
Dan Williams3c304952006-04-15 12:26:18 -04002781 airo_print_info(name, "WPA is supported.");
2782 return 1;
2783 }
2784
2785 /* No WPA support */
2786 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2787 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2788 return 0;
2789}
2790
Jouni Malinenff1d2762005-05-12 22:54:16 -04002791static struct net_device *_init_airo_card( unsigned short irq, int port,
2792 int is_pcmcia, struct pci_dev *pci,
2793 struct device *dmdev )
Linus Torvalds1da177e2005-04-16 15:20:36 -07002794{
2795 struct net_device *dev;
2796 struct airo_info *ai;
2797 int i, rc;
2798
2799 /* Create the network device object. */
2800 dev = alloc_etherdev(sizeof(*ai));
2801 if (!dev) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002802 airo_print_err("", "Couldn't alloc_etherdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002803 return NULL;
2804 }
2805 if (dev_alloc_name(dev, dev->name) < 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002806 airo_print_err("", "Couldn't get name!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002807 goto err_out_free;
2808 }
2809
2810 ai = dev->priv;
2811 ai->wifidev = NULL;
2812 ai->flags = 0;
Dan Williams3c304952006-04-15 12:26:18 -04002813 ai->jobs = 0;
Dan Williams934d8bf2006-03-16 13:46:23 -05002814 ai->dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002815 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002816 airo_print_dbg(dev->name, "Found an MPI350 card");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002817 set_bit(FLAG_MPI, &ai->flags);
2818 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002819 spin_lock_init(&ai->aux_lock);
2820 sema_init(&ai->sem, 1);
2821 ai->config.len = 0;
2822 ai->pci = pci;
2823 init_waitqueue_head (&ai->thr_wait);
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07002824 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2825 if (IS_ERR(ai->airo_thread_task))
Linus Torvalds1da177e2005-04-16 15:20:36 -07002826 goto err_out_free;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002827 ai->tfm = NULL;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002828 add_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002829
Dan Williams9e75af32006-03-16 13:46:29 -05002830 if (airo_networks_allocate (ai))
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002831 goto err_out_thr;
Dan Williams9e75af32006-03-16 13:46:29 -05002832 airo_networks_initialize (ai);
2833
Linus Torvalds1da177e2005-04-16 15:20:36 -07002834 /* The Airo-specific entries in the device structure. */
2835 if (test_bit(FLAG_MPI,&ai->flags)) {
2836 skb_queue_head_init (&ai->txq);
2837 dev->hard_start_xmit = &mpi_start_xmit;
2838 } else
2839 dev->hard_start_xmit = &airo_start_xmit;
2840 dev->get_stats = &airo_get_stats;
2841 dev->set_multicast_list = &airo_set_multicast_list;
2842 dev->set_mac_address = &airo_set_mac_address;
2843 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002844 dev->wireless_handlers = &airo_handler_def;
2845 ai->wireless_data.spy_data = &ai->spy_data;
2846 dev->wireless_data = &ai->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002847 dev->change_mtu = &airo_change_mtu;
2848 dev->open = &airo_open;
2849 dev->stop = &airo_close;
2850 dev->irq = irq;
2851 dev->base_addr = port;
2852
2853 SET_NETDEV_DEV(dev, dmdev);
2854
Matthieu CASTET1d97f382005-12-01 02:35:26 -05002855 reset_card (dev, 1);
2856 msleep(400);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002857
Thomas Gleixner1fb9df52006-07-01 19:29:39 -07002858 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002859 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002860 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2861 irq, rc);
Michal Schmidt4d881902007-03-16 12:42:59 +01002862 goto err_out_nets;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002863 }
2864 if (!is_pcmcia) {
2865 if (!request_region( dev->base_addr, 64, dev->name )) {
2866 rc = -EBUSY;
Dan Williams934d8bf2006-03-16 13:46:23 -05002867 airo_print_err(dev->name, "Couldn't request region");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002868 goto err_out_irq;
2869 }
2870 }
2871
2872 if (test_bit(FLAG_MPI,&ai->flags)) {
2873 if (mpi_map_card(ai, pci, dev->name)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002874 airo_print_err(dev->name, "Could not map memory");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002875 goto err_out_res;
2876 }
2877 }
2878
2879 if (probe) {
2880 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002881 airo_print_err(dev->name, "MAC could not be enabled" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002882 rc = -EIO;
2883 goto err_out_map;
2884 }
2885 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2886 ai->bap_read = fast_bap_read;
2887 set_bit(FLAG_FLASHING, &ai->flags);
2888 }
2889
Dan Williams3c304952006-04-15 12:26:18 -04002890 /* Test for WPA support */
2891 if (airo_test_wpa_capable(ai)) {
2892 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2893 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2894 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2895 ai->bssListRidLen = sizeof(BSSListRid);
2896 } else {
2897 ai->bssListFirst = RID_BSSLISTFIRST;
2898 ai->bssListNext = RID_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2900 }
2901
Linus Torvalds1da177e2005-04-16 15:20:36 -07002902 rc = register_netdev(dev);
2903 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002904 airo_print_err(dev->name, "Couldn't register_netdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002905 goto err_out_map;
2906 }
2907 ai->wifidev = init_wifidev(ai, dev);
Florin Malita431aca52006-10-10 16:46:30 -04002908 if (!ai->wifidev)
2909 goto err_out_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002910
2911 set_bit(FLAG_REGISTERED,&ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05002912 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002913 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2914 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2915
2916 /* Allocate the transmit buffers */
2917 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2918 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002919 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002920
Florin Malita431aca52006-10-10 16:46:30 -04002921 if (setup_proc_entry(dev, dev->priv) < 0)
2922 goto err_out_wifi;
2923
Linus Torvalds1da177e2005-04-16 15:20:36 -07002924 netif_start_queue(dev);
2925 SET_MODULE_OWNER(dev);
2926 return dev;
2927
Florin Malita431aca52006-10-10 16:46:30 -04002928err_out_wifi:
2929 unregister_netdev(ai->wifidev);
2930 free_netdev(ai->wifidev);
2931err_out_reg:
2932 unregister_netdev(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002933err_out_map:
2934 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2935 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2936 iounmap(ai->pciaux);
2937 iounmap(ai->pcimem);
2938 mpi_unmap_card(ai->pci);
2939 }
2940err_out_res:
2941 if (!is_pcmcia)
2942 release_region( dev->base_addr, 64 );
2943err_out_irq:
2944 free_irq(dev->irq, dev);
Michal Schmidt4d881902007-03-16 12:42:59 +01002945err_out_nets:
2946 airo_networks_free(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002947err_out_thr:
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002948 del_airo_dev(ai);
Dan Williams3c304952006-04-15 12:26:18 -04002949 set_bit(JOB_DIE, &ai->jobs);
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07002950 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002951err_out_free:
2952 free_netdev(dev);
2953 return NULL;
2954}
2955
2956struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2957 struct device *dmdev)
2958{
2959 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2960}
2961
2962EXPORT_SYMBOL(init_airo_card);
2963
2964static int waitbusy (struct airo_info *ai) {
2965 int delay = 0;
2966 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2967 udelay (10);
2968 if ((++delay % 20) == 0)
2969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2970 }
2971 return delay < 10000;
2972}
2973
2974int reset_airo_card( struct net_device *dev )
2975{
2976 int i;
2977 struct airo_info *ai = dev->priv;
2978
2979 if (reset_card (dev, 1))
2980 return -1;
2981
2982 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002983 airo_print_err(dev->name, "MAC could not be enabled");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002984 return -1;
2985 }
Dan Williams934d8bf2006-03-16 13:46:23 -05002986 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002987 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2988 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2989 /* Allocate the transmit buffers if needed */
2990 if (!test_bit(FLAG_MPI,&ai->flags))
2991 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002992 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002993
2994 enable_interrupts( ai );
2995 netif_wake_queue(dev);
2996 return 0;
2997}
2998
2999EXPORT_SYMBOL(reset_airo_card);
3000
3001static void airo_send_event(struct net_device *dev) {
3002 struct airo_info *ai = dev->priv;
3003 union iwreq_data wrqu;
3004 StatusRid status_rid;
3005
Dan Williams3c304952006-04-15 12:26:18 -04003006 clear_bit(JOB_EVENT, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003007 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3008 up(&ai->sem);
3009 wrqu.data.length = 0;
3010 wrqu.data.flags = 0;
3011 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3012 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3013
3014 /* Send event to user space */
3015 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3016}
3017
Dan Williams9e75af32006-03-16 13:46:29 -05003018static void airo_process_scan_results (struct airo_info *ai) {
3019 union iwreq_data wrqu;
Dan Williams3c304952006-04-15 12:26:18 -04003020 BSSListRid bss;
Dan Williams9e75af32006-03-16 13:46:29 -05003021 int rc;
3022 BSSListElement * loop_net;
3023 BSSListElement * tmp_net;
3024
3025 /* Blow away current list of scan results */
3026 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3027 list_move_tail (&loop_net->list, &ai->network_free_list);
3028 /* Don't blow away ->list, just BSS data */
3029 memset (loop_net, 0, sizeof (loop_net->bss));
3030 }
3031
3032 /* Try to read the first entry of the scan result */
Dan Williams3c304952006-04-15 12:26:18 -04003033 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3034 if((rc) || (bss.index == 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003035 /* No scan results */
3036 goto out;
3037 }
3038
3039 /* Read and parse all entries */
3040 tmp_net = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04003041 while((!rc) && (bss.index != 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003042 /* Grab a network off the free list */
3043 if (!list_empty(&ai->network_free_list)) {
3044 tmp_net = list_entry(ai->network_free_list.next,
3045 BSSListElement, list);
3046 list_del(ai->network_free_list.next);
3047 }
3048
3049 if (tmp_net != NULL) {
Dan Williams3c304952006-04-15 12:26:18 -04003050 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
Dan Williams9e75af32006-03-16 13:46:29 -05003051 list_add_tail(&tmp_net->list, &ai->network_list);
3052 tmp_net = NULL;
3053 }
3054
3055 /* Read next entry */
Dan Williams3c304952006-04-15 12:26:18 -04003056 rc = PC4500_readrid(ai, ai->bssListNext,
3057 &bss, ai->bssListRidLen, 0);
Dan Williams9e75af32006-03-16 13:46:29 -05003058 }
3059
3060out:
3061 ai->scan_timeout = 0;
Dan Williams3c304952006-04-15 12:26:18 -04003062 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003063 up(&ai->sem);
3064
3065 /* Send an empty event to user space.
3066 * We don't send the received data on
3067 * the event because it would require
3068 * us to do complex transcoding, and
3069 * we want to minimise the work done in
3070 * the irq handler. Use a request to
3071 * extract the data - Jean II */
3072 wrqu.data.length = 0;
3073 wrqu.data.flags = 0;
3074 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3075}
3076
Linus Torvalds1da177e2005-04-16 15:20:36 -07003077static int airo_thread(void *data) {
3078 struct net_device *dev = data;
3079 struct airo_info *ai = dev->priv;
3080 int locked;
3081
Linus Torvalds1da177e2005-04-16 15:20:36 -07003082 while(1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003083 /* make swsusp happy with our thread */
Christoph Lameter3e1d1d22005-06-24 23:13:50 -07003084 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003085
Dan Williams3c304952006-04-15 12:26:18 -04003086 if (test_bit(JOB_DIE, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003087 break;
3088
Dan Williams3c304952006-04-15 12:26:18 -04003089 if (ai->jobs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003090 locked = down_interruptible(&ai->sem);
3091 } else {
3092 wait_queue_t wait;
3093
3094 init_waitqueue_entry(&wait, current);
3095 add_wait_queue(&ai->thr_wait, &wait);
3096 for (;;) {
3097 set_current_state(TASK_INTERRUPTIBLE);
Dan Williams3c304952006-04-15 12:26:18 -04003098 if (ai->jobs)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003099 break;
Dan Williams9e75af32006-03-16 13:46:29 -05003100 if (ai->expires || ai->scan_timeout) {
3101 if (ai->scan_timeout &&
3102 time_after_eq(jiffies,ai->scan_timeout)){
Dan Williams3c304952006-04-15 12:26:18 -04003103 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003104 break;
3105 } else if (ai->expires &&
3106 time_after_eq(jiffies,ai->expires)){
Dan Williams3c304952006-04-15 12:26:18 -04003107 set_bit(JOB_AUTOWEP, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003108 break;
3109 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003110 if (!kthread_should_stop() &&
3111 !freezing(current)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003112 unsigned long wake_at;
3113 if (!ai->expires || !ai->scan_timeout) {
3114 wake_at = max(ai->expires,
3115 ai->scan_timeout);
3116 } else {
3117 wake_at = min(ai->expires,
3118 ai->scan_timeout);
3119 }
3120 schedule_timeout(wake_at - jiffies);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003121 continue;
3122 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003123 } else if (!kthread_should_stop() &&
3124 !freezing(current)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003125 schedule();
3126 continue;
3127 }
3128 break;
3129 }
3130 current->state = TASK_RUNNING;
3131 remove_wait_queue(&ai->thr_wait, &wait);
3132 locked = 1;
3133 }
3134
3135 if (locked)
3136 continue;
3137
Dan Williams3c304952006-04-15 12:26:18 -04003138 if (test_bit(JOB_DIE, &ai->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003139 up(&ai->sem);
3140 break;
3141 }
3142
Pavel Machekca078ba2005-09-03 15:56:57 -07003143 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003144 up(&ai->sem);
3145 continue;
3146 }
3147
Dan Williams3c304952006-04-15 12:26:18 -04003148 if (test_bit(JOB_XMIT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003149 airo_end_xmit(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003150 else if (test_bit(JOB_XMIT11, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003151 airo_end_xmit11(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003152 else if (test_bit(JOB_STATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003153 airo_read_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003154 else if (test_bit(JOB_WSTATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003155 airo_read_wireless_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003156 else if (test_bit(JOB_PROMISC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003157 airo_set_promisc(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003158 else if (test_bit(JOB_MIC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003159 micinit(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003160 else if (test_bit(JOB_EVENT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003161 airo_send_event(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003162 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003163 timer_func(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003164 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
Dan Williams9e75af32006-03-16 13:46:29 -05003165 airo_process_scan_results(ai);
3166 else /* Shouldn't get here, but we make sure to unlock */
3167 up(&ai->sem);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003168 }
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003169
3170 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003171}
3172
David Howells7d12e782006-10-05 14:55:46 +01003173static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003174 struct net_device *dev = (struct net_device *)dev_id;
3175 u16 status;
3176 u16 fid;
3177 struct airo_info *apriv = dev->priv;
3178 u16 savedInterrupts = 0;
3179 int handled = 0;
3180
3181 if (!netif_device_present(dev))
3182 return IRQ_NONE;
3183
3184 for (;;) {
3185 status = IN4500( apriv, EVSTAT );
3186 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3187
3188 handled = 1;
3189
3190 if ( status & EV_AWAKE ) {
3191 OUT4500( apriv, EVACK, EV_AWAKE );
3192 OUT4500( apriv, EVACK, EV_AWAKE );
3193 }
3194
3195 if (!savedInterrupts) {
3196 savedInterrupts = IN4500( apriv, EVINTEN );
3197 OUT4500( apriv, EVINTEN, 0 );
3198 }
3199
3200 if ( status & EV_MIC ) {
3201 OUT4500( apriv, EVACK, EV_MIC );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003202 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
Dan Williams3c304952006-04-15 12:26:18 -04003203 set_bit(JOB_MIC, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003204 wake_up_interruptible(&apriv->thr_wait);
3205 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003206 }
3207 if ( status & EV_LINK ) {
3208 union iwreq_data wrqu;
Dan Williams6fcdf562006-03-31 15:08:46 -05003209 int scan_forceloss = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003210 /* The link status has changed, if you want to put a
3211 monitor hook in, do it here. (Remember that
3212 interrupts are still disabled!)
3213 */
3214 u16 newStatus = IN4500(apriv, LINKSTAT);
3215 OUT4500( apriv, EVACK, EV_LINK);
3216 /* Here is what newStatus means: */
3217#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3218#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3219#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3220#define FORCELOSS 0x8003 /* Loss of sync - host request */
3221#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3222#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3223#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3224#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3225 code) */
3226#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3227 code) */
Dan Williams6fcdf562006-03-31 15:08:46 -05003228#define ASSOCIATED 0x0400 /* Associated */
3229#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003230#define RC_RESERVED 0 /* Reserved return code */
3231#define RC_NOREASON 1 /* Unspecified reason */
3232#define RC_AUTHINV 2 /* Previous authentication invalid */
3233#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3234 leaving */
3235#define RC_NOACT 4 /* Disassociated due to inactivity */
3236#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3237 all currently associated stations */
3238#define RC_BADCLASS2 6 /* Class 2 frame received from
3239 non-Authenticated station */
3240#define RC_BADCLASS3 7 /* Class 3 frame received from
3241 non-Associated station */
3242#define RC_STATLEAVE 8 /* Disassociated because sending station is
3243 leaving BSS */
3244#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3245 Authenticated with the responding station */
Dan Williams6fcdf562006-03-31 15:08:46 -05003246 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3247 scan_forceloss = 1;
3248 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003249 if (auto_wep)
3250 apriv->expires = 0;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003251 if (apriv->list_bss_task)
3252 wake_up_process(apriv->list_bss_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003253 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3254 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
Dan Williams6fcdf562006-03-31 15:08:46 -05003255
Linus Torvalds1da177e2005-04-16 15:20:36 -07003256 if (down_trylock(&apriv->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04003257 set_bit(JOB_EVENT, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003258 wake_up_interruptible(&apriv->thr_wait);
3259 } else
3260 airo_send_event(dev);
Dan Williams6fcdf562006-03-31 15:08:46 -05003261 } else if (!scan_forceloss) {
3262 if (auto_wep && !apriv->expires) {
3263 apriv->expires = RUN_AT(3*HZ);
3264 wake_up_interruptible(&apriv->thr_wait);
3265 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003266
3267 /* Send event to user space */
Dan Williams6fcdf562006-03-31 15:08:46 -05003268 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3269 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003270 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3271 }
3272 }
3273
3274 /* Check to see if there is something to receive */
3275 if ( status & EV_RX ) {
3276 struct sk_buff *skb = NULL;
3277 u16 fc, len, hdrlen = 0;
3278#pragma pack(1)
3279 struct {
3280 u16 status, len;
3281 u8 rssi[2];
3282 u8 rate;
3283 u8 freq;
3284 u16 tmp[4];
3285 } hdr;
3286#pragma pack()
3287 u16 gap;
3288 u16 tmpbuf[4];
3289 u16 *buffer;
3290
3291 if (test_bit(FLAG_MPI,&apriv->flags)) {
3292 if (test_bit(FLAG_802_11, &apriv->flags))
3293 mpi_receive_802_11(apriv);
3294 else
3295 mpi_receive_802_3(apriv);
3296 OUT4500(apriv, EVACK, EV_RX);
3297 goto exitrx;
3298 }
3299
3300 fid = IN4500( apriv, RXFID );
3301
3302 /* Get the packet length */
3303 if (test_bit(FLAG_802_11, &apriv->flags)) {
3304 bap_setup (apriv, fid, 4, BAP0);
3305 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3306 /* Bad CRC. Ignore packet */
3307 if (le16_to_cpu(hdr.status) & 2)
3308 hdr.len = 0;
3309 if (apriv->wifidev == NULL)
3310 hdr.len = 0;
3311 } else {
3312 bap_setup (apriv, fid, 0x36, BAP0);
3313 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3314 }
3315 len = le16_to_cpu(hdr.len);
3316
Dan Williams15db2762006-03-16 13:46:27 -05003317 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003318 airo_print_err(apriv->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003319 goto badrx;
3320 }
3321 if (len == 0)
3322 goto badrx;
3323
3324 if (test_bit(FLAG_802_11, &apriv->flags)) {
3325 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3326 fc = le16_to_cpu(fc);
3327 switch (fc & 0xc) {
3328 case 4:
3329 if ((fc & 0xe0) == 0xc0)
3330 hdrlen = 10;
3331 else
3332 hdrlen = 16;
3333 break;
3334 case 8:
3335 if ((fc&0x300)==0x300){
3336 hdrlen = 30;
3337 break;
3338 }
3339 default:
3340 hdrlen = 24;
3341 }
3342 } else
3343 hdrlen = ETH_ALEN * 2;
3344
3345 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3346 if ( !skb ) {
3347 apriv->stats.rx_dropped++;
3348 goto badrx;
3349 }
3350 skb_reserve(skb, 2); /* This way the IP header is aligned */
3351 buffer = (u16*)skb_put (skb, len + hdrlen);
3352 if (test_bit(FLAG_802_11, &apriv->flags)) {
3353 buffer[0] = fc;
3354 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3355 if (hdrlen == 24)
3356 bap_read (apriv, tmpbuf, 6, BAP0);
3357
3358 bap_read (apriv, &gap, sizeof(gap), BAP0);
3359 gap = le16_to_cpu(gap);
3360 if (gap) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003361 if (gap <= 8) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003362 bap_read (apriv, tmpbuf, gap, BAP0);
Dan Williams934d8bf2006-03-16 13:46:23 -05003363 } else {
3364 airo_print_err(apriv->dev->name, "gaplen too "
3365 "big. Problems will follow...");
3366 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003367 }
3368 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3369 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003370 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003371 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003372 if (apriv->micstats.enabled) {
3373 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3374 if (ntohs(micbuf.typelen) > 0x05DC)
3375 bap_setup (apriv, fid, 0x44, BAP0);
3376 else {
3377 if (len <= sizeof(micbuf))
3378 goto badmic;
3379
3380 len -= sizeof(micbuf);
3381 skb_trim (skb, len + hdrlen);
3382 }
3383 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003384 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003385 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3386badmic:
3387 dev_kfree_skb_irq (skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003388badrx:
3389 OUT4500( apriv, EVACK, EV_RX);
3390 goto exitrx;
3391 }
3392 }
3393#ifdef WIRELESS_SPY
3394 if (apriv->spy_data.spy_number > 0) {
3395 char *sa;
3396 struct iw_quality wstats;
3397 /* Prepare spy data : addr + qual */
3398 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3399 sa = (char*)buffer + 6;
3400 bap_setup (apriv, fid, 8, BAP0);
3401 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3402 } else
3403 sa = (char*)buffer + 10;
3404 wstats.qual = hdr.rssi[0];
3405 if (apriv->rssi)
3406 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3407 else
3408 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003409 wstats.noise = apriv->wstats.qual.noise;
3410 wstats.updated = IW_QUAL_LEVEL_UPDATED
3411 | IW_QUAL_QUAL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003412 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003413 /* Update spy records */
3414 wireless_spy_update(dev, sa, &wstats);
3415 }
3416#endif /* WIRELESS_SPY */
3417 OUT4500( apriv, EVACK, EV_RX);
3418
3419 if (test_bit(FLAG_802_11, &apriv->flags)) {
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003420 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = apriv->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
Arnaldo Carvalho de Melo4c13eb62007-04-25 17:40:23 -07003424 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07003425 skb->protocol = eth_type_trans(skb,dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003426 skb->dev->last_rx = jiffies;
3427 skb->ip_summed = CHECKSUM_NONE;
3428
3429 netif_rx( skb );
3430 }
3431exitrx:
3432
3433 /* Check to see if a packet has been transmitted */
3434 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3435 int i;
3436 int len = 0;
3437 int index = -1;
3438
3439 if (test_bit(FLAG_MPI,&apriv->flags)) {
3440 unsigned long flags;
3441
3442 if (status & EV_TXEXC)
3443 get_tx_error(apriv, -1);
3444 spin_lock_irqsave(&apriv->aux_lock, flags);
David S. Millerb03efcf2005-07-08 14:57:23 -07003445 if (!skb_queue_empty(&apriv->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003446 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3447 mpi_send_packet (dev);
3448 } else {
3449 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3450 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3451 netif_wake_queue (dev);
3452 }
3453 OUT4500( apriv, EVACK,
3454 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3455 goto exittx;
3456 }
3457
3458 fid = IN4500(apriv, TXCOMPLFID);
3459
3460 for( i = 0; i < MAX_FIDS; i++ ) {
3461 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3462 len = apriv->fids[i] >> 16;
3463 index = i;
3464 }
3465 }
3466 if (index != -1) {
3467 if (status & EV_TXEXC)
3468 get_tx_error(apriv, index);
3469 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3470 /* Set up to be used again */
3471 apriv->fids[index] &= 0xffff;
3472 if (index < MAX_FIDS / 2) {
3473 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3474 netif_wake_queue(dev);
3475 } else {
3476 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3477 netif_wake_queue(apriv->wifidev);
3478 }
3479 } else {
3480 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
Dan Williams934d8bf2006-03-16 13:46:23 -05003481 airo_print_err(apriv->dev->name, "Unallocated FID was "
3482 "used to xmit" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003483 }
3484 }
3485exittx:
3486 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
Dan Williams934d8bf2006-03-16 13:46:23 -05003487 airo_print_warn(apriv->dev->name, "Got weird status %x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003488 status & ~STATUS_INTS & ~IGNORE_INTS );
3489 }
3490
3491 if (savedInterrupts)
3492 OUT4500( apriv, EVINTEN, savedInterrupts );
3493
3494 /* done.. */
3495 return IRQ_RETVAL(handled);
3496}
3497
3498/*
3499 * Routines to talk to the card
3500 */
3501
3502/*
3503 * This was originally written for the 4500, hence the name
3504 * NOTE: If use with 8bit mode and SMP bad things will happen!
3505 * Why would some one do 8 bit IO in an SMP machine?!?
3506 */
3507static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3508 if (test_bit(FLAG_MPI,&ai->flags))
3509 reg <<= 1;
3510 if ( !do8bitIO )
3511 outw( val, ai->dev->base_addr + reg );
3512 else {
3513 outb( val & 0xff, ai->dev->base_addr + reg );
3514 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3515 }
3516}
3517
3518static u16 IN4500( struct airo_info *ai, u16 reg ) {
3519 unsigned short rc;
3520
3521 if (test_bit(FLAG_MPI,&ai->flags))
3522 reg <<= 1;
3523 if ( !do8bitIO )
3524 rc = inw( ai->dev->base_addr + reg );
3525 else {
3526 rc = inb( ai->dev->base_addr + reg );
3527 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3528 }
3529 return rc;
3530}
3531
3532static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3533 int rc;
3534 Cmd cmd;
3535
3536 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3537 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3538 * Note : we could try to use !netif_running(dev) in enable_MAC()
3539 * instead of this flag, but I don't trust it *within* the
3540 * open/close functions, and testing both flags together is
3541 * "cheaper" - Jean II */
3542 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3543
3544 if (lock && down_interruptible(&ai->sem))
3545 return -ERESTARTSYS;
3546
3547 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3548 memset(&cmd, 0, sizeof(cmd));
3549 cmd.cmd = MAC_ENABLE;
3550 rc = issuecommand(ai, &cmd, rsp);
3551 if (rc == SUCCESS)
3552 set_bit(FLAG_ENABLED, &ai->flags);
3553 } else
3554 rc = SUCCESS;
3555
3556 if (lock)
3557 up(&ai->sem);
3558
3559 if (rc)
Dan Williams934d8bf2006-03-16 13:46:23 -05003560 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3561 __FUNCTION__, rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003562 return rc;
3563}
3564
3565static void disable_MAC( struct airo_info *ai, int lock ) {
3566 Cmd cmd;
3567 Resp rsp;
3568
3569 if (lock && down_interruptible(&ai->sem))
3570 return;
3571
3572 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3575 issuecommand(ai, &cmd, &rsp);
3576 clear_bit(FLAG_ENABLED, &ai->flags);
3577 }
3578 if (lock)
3579 up(&ai->sem);
3580}
3581
3582static void enable_interrupts( struct airo_info *ai ) {
3583 /* Enable the interrupts */
3584 OUT4500( ai, EVINTEN, STATUS_INTS );
3585}
3586
3587static void disable_interrupts( struct airo_info *ai ) {
3588 OUT4500( ai, EVINTEN, 0 );
3589}
3590
3591static void mpi_receive_802_3(struct airo_info *ai)
3592{
3593 RxFid rxd;
3594 int len = 0;
3595 struct sk_buff *skb;
3596 char *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003597 int off = 0;
3598 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003599
3600 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3601 /* Make sure we got something */
3602 if (rxd.rdy && rxd.valid == 0) {
3603 len = rxd.len + 12;
3604 if (len < 12 || len > 2048)
3605 goto badrx;
3606
3607 skb = dev_alloc_skb(len);
3608 if (!skb) {
3609 ai->stats.rx_dropped++;
3610 goto badrx;
3611 }
3612 buffer = skb_put(skb,len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003613 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3614 if (ai->micstats.enabled) {
3615 memcpy(&micbuf,
3616 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3617 sizeof(micbuf));
3618 if (ntohs(micbuf.typelen) <= 0x05DC) {
3619 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3620 goto badmic;
3621
3622 off = sizeof(micbuf);
3623 skb_trim (skb, len - off);
3624 }
3625 }
3626 memcpy(buffer + ETH_ALEN * 2,
3627 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3628 len - ETH_ALEN * 2 - off);
3629 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3630badmic:
3631 dev_kfree_skb_irq (skb);
3632 goto badrx;
3633 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003634#ifdef WIRELESS_SPY
3635 if (ai->spy_data.spy_number > 0) {
3636 char *sa;
3637 struct iw_quality wstats;
3638 /* Prepare spy data : addr + qual */
3639 sa = buffer + ETH_ALEN;
3640 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3641 wstats.level = 0;
3642 wstats.updated = 0;
3643 /* Update spy records */
3644 wireless_spy_update(ai->dev, sa, &wstats);
3645 }
3646#endif /* WIRELESS_SPY */
3647
Linus Torvalds1da177e2005-04-16 15:20:36 -07003648 skb->ip_summed = CHECKSUM_NONE;
3649 skb->protocol = eth_type_trans(skb, ai->dev);
3650 skb->dev->last_rx = jiffies;
3651 netif_rx(skb);
3652 }
3653badrx:
3654 if (rxd.valid == 0) {
3655 rxd.valid = 1;
3656 rxd.rdy = 0;
3657 rxd.len = PKTSIZE;
3658 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3659 }
3660}
3661
3662void mpi_receive_802_11 (struct airo_info *ai)
3663{
3664 RxFid rxd;
3665 struct sk_buff *skb = NULL;
3666 u16 fc, len, hdrlen = 0;
3667#pragma pack(1)
3668 struct {
3669 u16 status, len;
3670 u8 rssi[2];
3671 u8 rate;
3672 u8 freq;
3673 u16 tmp[4];
3674 } hdr;
3675#pragma pack()
3676 u16 gap;
3677 u16 *buffer;
3678 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3679
3680 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3681 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3682 ptr += sizeof(hdr);
3683 /* Bad CRC. Ignore packet */
3684 if (le16_to_cpu(hdr.status) & 2)
3685 hdr.len = 0;
3686 if (ai->wifidev == NULL)
3687 hdr.len = 0;
3688 len = le16_to_cpu(hdr.len);
Dan Williams15db2762006-03-16 13:46:27 -05003689 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003690 airo_print_err(ai->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003691 goto badrx;
3692 }
3693 if (len == 0)
3694 goto badrx;
3695
3696 memcpy ((char *)&fc, ptr, sizeof(fc));
3697 fc = le16_to_cpu(fc);
3698 switch (fc & 0xc) {
3699 case 4:
3700 if ((fc & 0xe0) == 0xc0)
3701 hdrlen = 10;
3702 else
3703 hdrlen = 16;
3704 break;
3705 case 8:
3706 if ((fc&0x300)==0x300){
3707 hdrlen = 30;
3708 break;
3709 }
3710 default:
3711 hdrlen = 24;
3712 }
3713
3714 skb = dev_alloc_skb( len + hdrlen + 2 );
3715 if ( !skb ) {
3716 ai->stats.rx_dropped++;
3717 goto badrx;
3718 }
3719 buffer = (u16*)skb_put (skb, len + hdrlen);
3720 memcpy ((char *)buffer, ptr, hdrlen);
3721 ptr += hdrlen;
3722 if (hdrlen == 24)
3723 ptr += 6;
3724 memcpy ((char *)&gap, ptr, sizeof(gap));
3725 ptr += sizeof(gap);
3726 gap = le16_to_cpu(gap);
3727 if (gap) {
3728 if (gap <= 8)
3729 ptr += gap;
3730 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003731 airo_print_err(ai->dev->name,
3732 "gaplen too big. Problems will follow...");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003733 }
3734 memcpy ((char *)buffer + hdrlen, ptr, len);
3735 ptr += len;
3736#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3737 if (ai->spy_data.spy_number > 0) {
3738 char *sa;
3739 struct iw_quality wstats;
3740 /* Prepare spy data : addr + qual */
3741 sa = (char*)buffer + 10;
3742 wstats.qual = hdr.rssi[0];
3743 if (ai->rssi)
3744 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3745 else
3746 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003747 wstats.noise = ai->wstats.qual.noise;
3748 wstats.updated = IW_QUAL_QUAL_UPDATED
3749 | IW_QUAL_LEVEL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003750 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003751 /* Update spy records */
3752 wireless_spy_update(ai->dev, sa, &wstats);
3753 }
3754#endif /* IW_WIRELESS_SPY */
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003755 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003756 skb->pkt_type = PACKET_OTHERHOST;
3757 skb->dev = ai->wifidev;
3758 skb->protocol = htons(ETH_P_802_2);
3759 skb->dev->last_rx = jiffies;
3760 skb->ip_summed = CHECKSUM_NONE;
3761 netif_rx( skb );
3762badrx:
3763 if (rxd.valid == 0) {
3764 rxd.valid = 1;
3765 rxd.rdy = 0;
3766 rxd.len = PKTSIZE;
3767 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3768 }
3769}
3770
3771static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3772{
3773 Cmd cmd;
3774 Resp rsp;
3775 int status;
3776 int i;
3777 SsidRid mySsid;
3778 u16 lastindex;
3779 WepKeyRid wkr;
3780 int rc;
3781
3782 memset( &mySsid, 0, sizeof( mySsid ) );
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003783 kfree (ai->flash);
3784 ai->flash = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003785
3786 /* The NOP is the first step in getting the card going */
3787 cmd.cmd = NOP;
3788 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3789 if (lock && down_interruptible(&ai->sem))
3790 return ERROR;
3791 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3792 if (lock)
3793 up(&ai->sem);
3794 return ERROR;
3795 }
3796 disable_MAC( ai, 0);
3797
3798 // Let's figure out if we need to use the AUX port
3799 if (!test_bit(FLAG_MPI,&ai->flags)) {
3800 cmd.cmd = CMD_ENABLEAUX;
3801 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3802 if (lock)
3803 up(&ai->sem);
Dan Williams934d8bf2006-03-16 13:46:23 -05003804 airo_print_err(ai->dev->name, "Error checking for AUX port");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003805 return ERROR;
3806 }
3807 if (!aux_bap || rsp.status & 0xff00) {
3808 ai->bap_read = fast_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003809 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003810 } else {
3811 ai->bap_read = aux_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003812 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003813 }
3814 }
3815 if (lock)
3816 up(&ai->sem);
3817 if (ai->config.len == 0) {
3818 tdsRssiRid rssi_rid;
3819 CapabilityRid cap_rid;
3820
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003821 kfree(ai->APList);
3822 ai->APList = NULL;
3823 kfree(ai->SSID);
3824 ai->SSID = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003825 // general configuration (read/modify/write)
3826 status = readConfigRid(ai, lock);
3827 if ( status != SUCCESS ) return ERROR;
3828
3829 status = readCapabilityRid(ai, &cap_rid, lock);
3830 if ( status != SUCCESS ) return ERROR;
3831
3832 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3833 if ( status == SUCCESS ) {
3834 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
Dan Williams41480af2005-05-10 09:45:51 -04003835 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003836 }
3837 else {
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003838 kfree(ai->rssi);
3839 ai->rssi = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003840 if (cap_rid.softCap & 8)
3841 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3842 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003843 airo_print_warn(ai->dev->name, "unknown received signal "
3844 "level scale");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003845 }
3846 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3847 ai->config.authType = AUTH_OPEN;
3848 ai->config.modulation = MOD_CCK;
3849
Linus Torvalds1da177e2005-04-16 15:20:36 -07003850 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3851 (micsetup(ai) == SUCCESS)) {
3852 ai->config.opmode |= MODE_MIC;
3853 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3854 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003855
3856 /* Save off the MAC */
3857 for( i = 0; i < ETH_ALEN; i++ ) {
3858 mac[i] = ai->config.macAddr[i];
3859 }
3860
3861 /* Check to see if there are any insmod configured
3862 rates to add */
3863 if ( rates[0] ) {
3864 int i = 0;
3865 memset(ai->config.rates,0,sizeof(ai->config.rates));
3866 for( i = 0; i < 8 && rates[i]; i++ ) {
3867 ai->config.rates[i] = rates[i];
3868 }
3869 }
3870 if ( basic_rate > 0 ) {
3871 int i;
3872 for( i = 0; i < 8; i++ ) {
3873 if ( ai->config.rates[i] == basic_rate ||
3874 !ai->config.rates ) {
3875 ai->config.rates[i] = basic_rate | 0x80;
3876 break;
3877 }
3878 }
3879 }
3880 set_bit (FLAG_COMMIT, &ai->flags);
3881 }
3882
3883 /* Setup the SSIDs if present */
3884 if ( ssids[0] ) {
3885 int i;
3886 for( i = 0; i < 3 && ssids[i]; i++ ) {
3887 mySsid.ssids[i].len = strlen(ssids[i]);
3888 if ( mySsid.ssids[i].len > 32 )
3889 mySsid.ssids[i].len = 32;
3890 memcpy(mySsid.ssids[i].ssid, ssids[i],
3891 mySsid.ssids[i].len);
3892 }
3893 mySsid.len = sizeof(mySsid);
3894 }
3895
3896 status = writeConfigRid(ai, lock);
3897 if ( status != SUCCESS ) return ERROR;
3898
3899 /* Set up the SSID list */
3900 if ( ssids[0] ) {
3901 status = writeSsidRid(ai, &mySsid, lock);
3902 if ( status != SUCCESS ) return ERROR;
3903 }
3904
3905 status = enable_MAC(ai, &rsp, lock);
3906 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003907 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3908 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003909 return ERROR;
3910 }
3911
3912 /* Grab the initial wep key, we gotta save it for auto_wep */
3913 rc = readWepKeyRid(ai, &wkr, 1, lock);
3914 if (rc == SUCCESS) do {
3915 lastindex = wkr.kindex;
3916 if (wkr.kindex == 0xffff) {
3917 ai->defindex = wkr.mac[0];
3918 }
3919 rc = readWepKeyRid(ai, &wkr, 0, lock);
3920 } while(lastindex != wkr.kindex);
3921
3922 if (auto_wep) {
3923 ai->expires = RUN_AT(3*HZ);
3924 wake_up_interruptible(&ai->thr_wait);
3925 }
3926
3927 return SUCCESS;
3928}
3929
3930static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3933
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3936
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3947 schedule();
3948 }
3949
3950 if ( max_tries == -1 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003951 airo_print_err(ai->dev->name,
3952 "Max tries exceeded when issueing command");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3955 return ERROR;
3956 }
3957
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
Robert Schulze13dca9b2006-07-10 18:37:44 +02003963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3967 pRsp->rsp2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003968
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 }
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3975
3976 return SUCCESS;
3977}
3978
3979/* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3981 * calling! */
3982static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983{
3984 int timeout = 50;
3985 int max_tries = 3;
3986
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3989 while (1) {
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3993 close */
3994 if (timeout--) {
3995 continue;
3996 }
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
Dan Williams934d8bf2006-03-16 13:46:23 -05003999 airo_print_err(ai->dev->name, "BAP error %x %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004000 status, whichbap );
4001 return ERROR;
4002 } else if (status & BAP_DONE) { // success
4003 return SUCCESS;
4004 }
4005 if ( !(max_tries--) ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004006 airo_print_err(ai->dev->name,
4007 "airo: BAP setup error too many retries\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004008 return ERROR;
4009 }
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4013 timeout = 50;
4014 }
4015}
4016
4017/* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4022{
4023 u16 next;
4024
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4030 return next;
4031}
4032
4033/* requires call to bap_setup() first */
4034static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4035 int bytelen, int whichbap)
4036{
4037 u16 len;
4038 u16 page;
4039 u16 offset;
4040 u16 next;
4041 int words;
4042 int i;
4043 unsigned long flags;
4044
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4050
4051 for (i=0; i<words;) {
4052 int count;
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4054 if ( !do8bitIO )
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4056 pu16Dst+i,count );
4057 else
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4060 i += count;
4061 if (i<words) {
4062 next = aux_setup(ai, next, 4, &len);
4063 }
4064 }
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4066 return SUCCESS;
4067}
4068
4069
4070/* requires call to bap_setup() first */
4071static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4072 int bytelen, int whichbap)
4073{
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4075 if ( !do8bitIO )
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4077 else
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4079 return SUCCESS;
4080}
4081
4082/* requires call to bap_setup() first */
4083static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4084 int bytelen, int whichbap)
4085{
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4087 if ( !do8bitIO )
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4090 else
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4092 return SUCCESS;
4093}
4094
4095static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4096{
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4099 u16 status;
4100
4101 memset(&cmd, 0, sizeof(cmd));
4102 cmd.cmd = accmd;
4103 cmd.parm0 = rid;
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 }
4109 return 0;
4110}
4111
4112/* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115{
4116 u16 status;
4117 int rc = SUCCESS;
4118
4119 if (lock) {
4120 if (down_interruptible(&ai->sem))
4121 return ERROR;
4122 }
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4124 Cmd cmd;
4125 Resp rsp;
4126
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4133
4134 cmd.cmd = CMD_ACCESS;
4135 cmd.parm0 = rid;
4136
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4139
4140 rc = issuecommand(ai, &cmd, &rsp);
4141
4142 if (rsp.status & 0x7f00)
4143 rc = rsp.rsp0;
4144 if (!rc)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4146 goto done;
4147 } else {
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4149 rc = status;
4150 goto done;
4151 }
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4153 rc = ERROR;
4154 goto done;
4155 }
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
4159 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4160
4161 if ( len <= 2 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004164 (int)rid, (int)len );
4165 rc = ERROR;
4166 goto done;
4167 }
4168 // read remainder of the rid
4169 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4170 }
4171done:
4172 if (lock)
4173 up(&ai->sem);
4174 return rc;
4175}
4176
4177/* Note, that we are using BAP1 which is also used by transmit, so
4178 * make sure this isnt called when a transmit is happening */
4179static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4181{
4182 u16 status;
4183 int rc = SUCCESS;
4184
4185 *(u16*)pBuf = cpu_to_le16((u16)len);
4186
4187 if (lock) {
4188 if (down_interruptible(&ai->sem))
4189 return ERROR;
4190 }
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4192 Cmd cmd;
4193 Resp rsp;
4194
Dan Streetmanf89b2322005-11-11 11:41:42 -05004195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
Dan Williams934d8bf2006-03-16 13:46:23 -05004196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004198 __FUNCTION__, rid);
4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4201
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4205
4206 cmd.cmd = CMD_WRITERID;
4207 cmd.parm0 = rid;
4208
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4211
4212 if (len < 4 || len > 2047) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004213 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004214 rc = -1;
4215 } else {
4216 memcpy((char *)ai->config_desc.virtual_host_addr,
4217 pBuf, len);
4218
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4222 __FUNCTION__, rc);
4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4224 __FUNCTION__, cmd.cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004225 }
4226
4227 if ((rsp.status & 0x7f00))
4228 rc = rsp.rsp0;
4229 }
4230 } else {
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4233 rc = status;
4234 goto done;
4235 }
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4238 rc = ERROR;
4239 goto done;
4240 }
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 }
4245done:
4246 if (lock)
4247 up(&ai->sem);
4248 return rc;
4249}
4250
4251/* Allocates a FID to be used for transmitting packets. We only use
4252 one for now. */
4253static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4254{
4255 unsigned int loop = 3000;
4256 Cmd cmd;
4257 Resp rsp;
4258 u16 txFid;
4259 u16 txControl;
4260
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4264 return ERROR;
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4266 txFid = ERROR;
4267 goto done;
4268 }
4269 if ( (rsp.status & 0xFF00) != 0) {
4270 txFid = ERROR;
4271 goto done;
4272 }
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4277 if (!loop) {
4278 txFid = ERROR;
4279 goto done;
4280 }
4281
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4285
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4291 if (raw)
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4294 else
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4298 txFid = ERROR;
4299 else
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301
4302done:
4303 up(&ai->sem);
4304
4305 return txFid;
4306}
4307
4308/* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4312{
4313 u16 payloadLen;
4314 Cmd cmd;
4315 Resp rsp;
4316 int miclen = 0;
4317 u16 txFid = len;
4318 MICBuffer pMic;
4319
4320 len >>= 16;
4321
4322 if (len <= ETH_ALEN * 2) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004323 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004324 return ERROR;
4325 }
4326 len -= ETH_ALEN * 2;
4327
Linus Torvalds1da177e2005-04-16 15:20:36 -07004328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4329 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4331 return ERROR;
4332 miclen = sizeof(pMic);
4333 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4342 if (miclen)
4343 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4348 cmd.parm0 = txFid;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4351 return SUCCESS;
4352}
4353
4354static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4355{
4356 u16 fc, payloadLen;
4357 Cmd cmd;
4358 Resp rsp;
4359 int hdrlen;
4360 struct {
4361 u8 addr4[ETH_ALEN];
4362 u16 gaplen;
4363 u8 gap[6];
4364 } gap;
4365 u16 txFid = len;
4366 len >>= 16;
4367 gap.gaplen = 6;
4368
4369 fc = le16_to_cpu(*(const u16*)pPacket);
4370 switch (fc & 0xc) {
4371 case 4:
4372 if ((fc & 0xe0) == 0xc0)
4373 hdrlen = 10;
4374 else
4375 hdrlen = 16;
4376 break;
4377 case 8:
4378 if ((fc&0x300)==0x300){
4379 hdrlen = 30;
4380 break;
4381 }
4382 default:
4383 hdrlen = 24;
4384 }
4385
4386 if (len < hdrlen) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004387 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004388 return ERROR;
4389 }
4390
4391 /* packet is 802.11 header + payload
4392 * write the payload length and dst/src/payload */
4393 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4394 /* The 802.11 header aren't counted as part of the payload, so
4395 * we have to subtract the header bytes off */
4396 payloadLen = cpu_to_le16(len-hdrlen);
4397 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4398 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4399 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4400 bap_write(ai, hdrlen == 30 ?
4401 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4402
4403 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4404 // issue the transmit command
4405 memset( &cmd, 0, sizeof( cmd ) );
4406 cmd.cmd = CMD_TRANSMIT;
4407 cmd.parm0 = txFid;
4408 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4409 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4410 return SUCCESS;
4411}
4412
4413/*
4414 * This is the proc_fs routines. It is a bit messier than I would
4415 * like! Feel free to clean it up!
4416 */
4417
4418static ssize_t proc_read( struct file *file,
4419 char __user *buffer,
4420 size_t len,
4421 loff_t *offset);
4422
4423static ssize_t proc_write( struct file *file,
4424 const char __user *buffer,
4425 size_t len,
4426 loff_t *offset );
4427static int proc_close( struct inode *inode, struct file *file );
4428
4429static int proc_stats_open( struct inode *inode, struct file *file );
4430static int proc_statsdelta_open( struct inode *inode, struct file *file );
4431static int proc_status_open( struct inode *inode, struct file *file );
4432static int proc_SSID_open( struct inode *inode, struct file *file );
4433static int proc_APList_open( struct inode *inode, struct file *file );
4434static int proc_BSSList_open( struct inode *inode, struct file *file );
4435static int proc_config_open( struct inode *inode, struct file *file );
4436static int proc_wepkey_open( struct inode *inode, struct file *file );
4437
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004438static const struct file_operations proc_statsdelta_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004439 .read = proc_read,
4440 .open = proc_statsdelta_open,
4441 .release = proc_close
4442};
4443
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004444static const struct file_operations proc_stats_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004445 .read = proc_read,
4446 .open = proc_stats_open,
4447 .release = proc_close
4448};
4449
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004450static const struct file_operations proc_status_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004451 .read = proc_read,
4452 .open = proc_status_open,
4453 .release = proc_close
4454};
4455
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004456static const struct file_operations proc_SSID_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004457 .read = proc_read,
4458 .write = proc_write,
4459 .open = proc_SSID_open,
4460 .release = proc_close
4461};
4462
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004463static const struct file_operations proc_BSSList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_BSSList_open,
4467 .release = proc_close
4468};
4469
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004470static const struct file_operations proc_APList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_APList_open,
4474 .release = proc_close
4475};
4476
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004477static const struct file_operations proc_config_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004478 .read = proc_read,
4479 .write = proc_write,
4480 .open = proc_config_open,
4481 .release = proc_close
4482};
4483
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004484static const struct file_operations proc_wepkey_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004485 .read = proc_read,
4486 .write = proc_write,
4487 .open = proc_wepkey_open,
4488 .release = proc_close
4489};
4490
4491static struct proc_dir_entry *airo_entry;
4492
4493struct proc_data {
4494 int release_buffer;
4495 int readlen;
4496 char *rbuffer;
4497 int writelen;
4498 int maxwritelen;
4499 char *wbuffer;
4500 void (*on_close) (struct inode *, struct file *);
4501};
4502
4503#ifndef SETPROC_OPS
4504#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4505#endif
4506
4507static int setup_proc_entry( struct net_device *dev,
4508 struct airo_info *apriv ) {
4509 struct proc_dir_entry *entry;
4510 /* First setup the device directory */
4511 strcpy(apriv->proc_name,dev->name);
4512 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4513 S_IFDIR|airo_perm,
4514 airo_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004515 if (!apriv->proc_entry)
4516 goto fail;
4517 apriv->proc_entry->uid = proc_uid;
4518 apriv->proc_entry->gid = proc_gid;
4519 apriv->proc_entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004520
4521 /* Setup the StatsDelta */
4522 entry = create_proc_entry("StatsDelta",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004525 if (!entry)
4526 goto fail_stats_delta;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004529 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004530 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004531 SETPROC_OPS(entry, proc_statsdelta_ops);
4532
4533 /* Setup the Stats */
4534 entry = create_proc_entry("Stats",
4535 S_IFREG | (S_IRUGO&proc_perm),
4536 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004537 if (!entry)
4538 goto fail_stats;
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004541 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004542 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004543 SETPROC_OPS(entry, proc_stats_ops);
4544
4545 /* Setup the Status */
4546 entry = create_proc_entry("Status",
4547 S_IFREG | (S_IRUGO&proc_perm),
4548 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004549 if (!entry)
4550 goto fail_status;
4551 entry->uid = proc_uid;
4552 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004553 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004554 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004555 SETPROC_OPS(entry, proc_status_ops);
4556
4557 /* Setup the Config */
4558 entry = create_proc_entry("Config",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004561 if (!entry)
4562 goto fail_config;
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004565 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004566 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004567 SETPROC_OPS(entry, proc_config_ops);
4568
4569 /* Setup the SSID */
4570 entry = create_proc_entry("SSID",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004573 if (!entry)
4574 goto fail_ssid;
4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004577 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004578 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004579 SETPROC_OPS(entry, proc_SSID_ops);
4580
4581 /* Setup the APList */
4582 entry = create_proc_entry("APList",
4583 S_IFREG | proc_perm,
4584 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004585 if (!entry)
4586 goto fail_aplist;
4587 entry->uid = proc_uid;
4588 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004589 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004590 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004591 SETPROC_OPS(entry, proc_APList_ops);
4592
4593 /* Setup the BSSList */
4594 entry = create_proc_entry("BSSList",
4595 S_IFREG | proc_perm,
4596 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004597 if (!entry)
4598 goto fail_bsslist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004599 entry->uid = proc_uid;
4600 entry->gid = proc_gid;
4601 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004602 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004603 SETPROC_OPS(entry, proc_BSSList_ops);
4604
4605 /* Setup the WepKey */
4606 entry = create_proc_entry("WepKey",
4607 S_IFREG | proc_perm,
4608 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004609 if (!entry)
4610 goto fail_wepkey;
4611 entry->uid = proc_uid;
4612 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004613 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004614 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004615 SETPROC_OPS(entry, proc_wepkey_ops);
4616
4617 return 0;
Florin Malita431aca52006-10-10 16:46:30 -04004618
4619fail_wepkey:
4620 remove_proc_entry("BSSList", apriv->proc_entry);
4621fail_bsslist:
4622 remove_proc_entry("APList", apriv->proc_entry);
4623fail_aplist:
4624 remove_proc_entry("SSID", apriv->proc_entry);
4625fail_ssid:
4626 remove_proc_entry("Config", apriv->proc_entry);
4627fail_config:
4628 remove_proc_entry("Status", apriv->proc_entry);
4629fail_status:
4630 remove_proc_entry("Stats", apriv->proc_entry);
4631fail_stats:
4632 remove_proc_entry("StatsDelta", apriv->proc_entry);
4633fail_stats_delta:
4634 remove_proc_entry(apriv->proc_name, airo_entry);
4635fail:
4636 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004637}
4638
4639static int takedown_proc_entry( struct net_device *dev,
4640 struct airo_info *apriv ) {
4641 if ( !apriv->proc_entry->namelen ) return 0;
4642 remove_proc_entry("Stats",apriv->proc_entry);
4643 remove_proc_entry("StatsDelta",apriv->proc_entry);
4644 remove_proc_entry("Status",apriv->proc_entry);
4645 remove_proc_entry("Config",apriv->proc_entry);
4646 remove_proc_entry("SSID",apriv->proc_entry);
4647 remove_proc_entry("APList",apriv->proc_entry);
4648 remove_proc_entry("BSSList",apriv->proc_entry);
4649 remove_proc_entry("WepKey",apriv->proc_entry);
4650 remove_proc_entry(apriv->proc_name,airo_entry);
4651 return 0;
4652}
4653
4654/*
4655 * What we want from the proc_fs is to be able to efficiently read
4656 * and write the configuration. To do this, we want to read the
4657 * configuration when the file is opened and write it when the file is
4658 * closed. So basically we allocate a read buffer at open and fill it
4659 * with data, and allocate a write buffer and read it at close.
4660 */
4661
4662/*
4663 * The read routine is generic, it relies on the preallocated rbuffer
4664 * to supply the data.
4665 */
4666static ssize_t proc_read( struct file *file,
4667 char __user *buffer,
4668 size_t len,
4669 loff_t *offset )
4670{
4671 loff_t pos = *offset;
4672 struct proc_data *priv = (struct proc_data*)file->private_data;
4673
4674 if (!priv->rbuffer)
4675 return -EINVAL;
4676
4677 if (pos < 0)
4678 return -EINVAL;
4679 if (pos >= priv->readlen)
4680 return 0;
4681 if (len > priv->readlen - pos)
4682 len = priv->readlen - pos;
4683 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4684 return -EFAULT;
4685 *offset = pos + len;
4686 return len;
4687}
4688
4689/*
4690 * The write routine is generic, it fills in a preallocated rbuffer
4691 * to supply the data.
4692 */
4693static ssize_t proc_write( struct file *file,
4694 const char __user *buffer,
4695 size_t len,
4696 loff_t *offset )
4697{
4698 loff_t pos = *offset;
4699 struct proc_data *priv = (struct proc_data*)file->private_data;
4700
4701 if (!priv->wbuffer)
4702 return -EINVAL;
4703
4704 if (pos < 0)
4705 return -EINVAL;
4706 if (pos >= priv->maxwritelen)
4707 return 0;
4708 if (len > priv->maxwritelen - pos)
4709 len = priv->maxwritelen - pos;
4710 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4711 return -EFAULT;
4712 if ( pos + len > priv->writelen )
4713 priv->writelen = len + file->f_pos;
4714 *offset = pos + len;
4715 return len;
4716}
4717
4718static int proc_status_open( struct inode *inode, struct file *file ) {
4719 struct proc_data *data;
4720 struct proc_dir_entry *dp = PDE(inode);
4721 struct net_device *dev = dp->data;
4722 struct airo_info *apriv = dev->priv;
4723 CapabilityRid cap_rid;
4724 StatusRid status_rid;
4725 int i;
4726
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004727 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004728 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004729 data = (struct proc_data *)file->private_data;
4730 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4731 kfree (file->private_data);
4732 return -ENOMEM;
4733 }
4734
4735 readStatusRid(apriv, &status_rid, 1);
4736 readCapabilityRid(apriv, &cap_rid, 1);
4737
4738 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4739 status_rid.mode & 1 ? "CFG ": "",
4740 status_rid.mode & 2 ? "ACT ": "",
4741 status_rid.mode & 0x10 ? "SYN ": "",
4742 status_rid.mode & 0x20 ? "LNK ": "",
4743 status_rid.mode & 0x40 ? "LEAP ": "",
4744 status_rid.mode & 0x80 ? "PRIV ": "",
4745 status_rid.mode & 0x100 ? "KEY ": "",
4746 status_rid.mode & 0x200 ? "WEP ": "",
4747 status_rid.mode & 0x8000 ? "ERR ": "");
4748 sprintf( data->rbuffer+i, "Mode: %x\n"
4749 "Signal Strength: %d\n"
4750 "Signal Quality: %d\n"
4751 "SSID: %-.*s\n"
4752 "AP: %-.16s\n"
4753 "Freq: %d\n"
4754 "BitRate: %dmbs\n"
4755 "Driver Version: %s\n"
4756 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4757 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4758 "Software Version: %x\nSoftware Subversion: %x\n"
4759 "Boot block version: %x\n",
4760 (int)status_rid.mode,
4761 (int)status_rid.normalizedSignalStrength,
4762 (int)status_rid.signalQuality,
4763 (int)status_rid.SSIDlen,
4764 status_rid.SSID,
4765 status_rid.apName,
4766 (int)status_rid.channel,
4767 (int)status_rid.currentXmitRate/2,
4768 version,
4769 cap_rid.prodName,
4770 cap_rid.manName,
4771 cap_rid.prodVer,
4772 cap_rid.radioType,
4773 cap_rid.country,
4774 cap_rid.hardVer,
4775 (int)cap_rid.softVer,
4776 (int)cap_rid.softSubVer,
4777 (int)cap_rid.bootBlockVer );
4778 data->readlen = strlen( data->rbuffer );
4779 return 0;
4780}
4781
4782static int proc_stats_rid_open(struct inode*, struct file*, u16);
4783static int proc_statsdelta_open( struct inode *inode,
4784 struct file *file ) {
4785 if (file->f_mode&FMODE_WRITE) {
4786 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4787 }
4788 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4789}
4790
4791static int proc_stats_open( struct inode *inode, struct file *file ) {
4792 return proc_stats_rid_open(inode, file, RID_STATS);
4793}
4794
4795static int proc_stats_rid_open( struct inode *inode,
4796 struct file *file,
4797 u16 rid ) {
4798 struct proc_data *data;
4799 struct proc_dir_entry *dp = PDE(inode);
4800 struct net_device *dev = dp->data;
4801 struct airo_info *apriv = dev->priv;
4802 StatsRid stats;
4803 int i, j;
4804 u32 *vals = stats.vals;
4805
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004806 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004807 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004808 data = (struct proc_data *)file->private_data;
4809 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4810 kfree (file->private_data);
4811 return -ENOMEM;
4812 }
4813
4814 readStatsRid(apriv, &stats, rid, 1);
4815
4816 j = 0;
4817 for(i=0; statsLabels[i]!=(char *)-1 &&
4818 i*4<stats.len; i++){
4819 if (!statsLabels[i]) continue;
4820 if (j+strlen(statsLabels[i])+16>4096) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004821 airo_print_warn(apriv->dev->name,
4822 "Potentially disasterous buffer overflow averted!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004823 break;
4824 }
4825 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4826 }
4827 if (i*4>=stats.len){
Dan Williams934d8bf2006-03-16 13:46:23 -05004828 airo_print_warn(apriv->dev->name, "Got a short rid");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004829 }
4830 data->readlen = j;
4831 return 0;
4832}
4833
4834static int get_dec_u16( char *buffer, int *start, int limit ) {
4835 u16 value;
4836 int valid = 0;
4837 for( value = 0; buffer[*start] >= '0' &&
4838 buffer[*start] <= '9' &&
4839 *start < limit; (*start)++ ) {
4840 valid = 1;
4841 value *= 10;
4842 value += buffer[*start] - '0';
4843 }
4844 if ( !valid ) return -1;
4845 return value;
4846}
4847
4848static int airo_config_commit(struct net_device *dev,
4849 struct iw_request_info *info, void *zwrq,
4850 char *extra);
4851
4852static void proc_config_on_close( struct inode *inode, struct file *file ) {
4853 struct proc_data *data = file->private_data;
4854 struct proc_dir_entry *dp = PDE(inode);
4855 struct net_device *dev = dp->data;
4856 struct airo_info *ai = dev->priv;
4857 char *line;
4858
4859 if ( !data->writelen ) return;
4860
4861 readConfigRid(ai, 1);
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863
4864 line = data->wbuffer;
4865 while( line[0] ) {
4866/*** Mode processing */
4867 if ( !strncmp( line, "Mode: ", 6 ) ) {
4868 line += 6;
4869 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4870 set_bit (FLAG_RESET, &ai->flags);
4871 ai->config.rmode &= 0xfe00;
4872 clear_bit (FLAG_802_11, &ai->flags);
4873 ai->config.opmode &= 0xFF00;
4874 ai->config.scanMode = SCANMODE_ACTIVE;
4875 if ( line[0] == 'a' ) {
4876 ai->config.opmode |= 0;
4877 } else {
4878 ai->config.opmode |= 1;
4879 if ( line[0] == 'r' ) {
4880 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4881 ai->config.scanMode = SCANMODE_PASSIVE;
4882 set_bit (FLAG_802_11, &ai->flags);
4883 } else if ( line[0] == 'y' ) {
4884 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4885 ai->config.scanMode = SCANMODE_PASSIVE;
4886 set_bit (FLAG_802_11, &ai->flags);
4887 } else if ( line[0] == 'l' )
4888 ai->config.rmode |= RXMODE_LANMON;
4889 }
4890 set_bit (FLAG_COMMIT, &ai->flags);
4891 }
4892
4893/*** Radio status */
4894 else if (!strncmp(line,"Radio: ", 7)) {
4895 line += 7;
4896 if (!strncmp(line,"off",3)) {
4897 set_bit (FLAG_RADIO_OFF, &ai->flags);
4898 } else {
4899 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4900 }
4901 }
4902/*** NodeName processing */
4903 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4904 int j;
4905
4906 line += 10;
4907 memset( ai->config.nodeName, 0, 16 );
4908/* Do the name, assume a space between the mode and node name */
4909 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4910 ai->config.nodeName[j] = line[j];
4911 }
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 }
4914
4915/*** PowerMode processing */
4916 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4917 line += 11;
4918 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4919 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if ( !strncmp( line, "PSP", 3 ) ) {
4922 ai->config.powerSaveMode = POWERSAVE_PSP;
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else {
4925 ai->config.powerSaveMode = POWERSAVE_CAM;
4926 set_bit (FLAG_COMMIT, &ai->flags);
4927 }
4928 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4929 int v, i = 0, k = 0; /* i is index into line,
4930 k is index to rates */
4931
4932 line += 11;
4933 while((v = get_dec_u16(line, &i, 3))!=-1) {
4934 ai->config.rates[k++] = (u8)v;
4935 line += i + 1;
4936 i = 0;
4937 }
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4940 int v, i = 0;
4941 line += 9;
4942 v = get_dec_u16(line, &i, i+3);
4943 if ( v != -1 ) {
4944 ai->config.channelSet = (u16)v;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 }
4947 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4948 int v, i = 0;
4949 line += 11;
4950 v = get_dec_u16(line, &i, i+3);
4951 if ( v != -1 ) {
4952 ai->config.txPower = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 }
4955 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4956 line += 5;
4957 switch( line[0] ) {
4958 case 's':
4959 ai->config.authType = (u16)AUTH_SHAREDKEY;
4960 break;
4961 case 'e':
4962 ai->config.authType = (u16)AUTH_ENCRYPT;
4963 break;
4964 default:
4965 ai->config.authType = (u16)AUTH_OPEN;
4966 break;
4967 }
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4970 int v, i = 0;
4971
4972 line += 16;
4973 v = get_dec_u16(line, &i, 3);
4974 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4975 ai->config.longRetryLimit = (u16)v;
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4978 int v, i = 0;
4979
4980 line += 17;
4981 v = get_dec_u16(line, &i, 3);
4982 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4983 ai->config.shortRetryLimit = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4986 int v, i = 0;
4987
4988 line += 14;
4989 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004990 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004991 ai->config.rtsThres = (u16)v;
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4994 int v, i = 0;
4995
4996 line += 16;
4997 v = get_dec_u16(line, &i, 5);
4998 v = (v<0) ? 0 : v;
4999 ai->config.txLifetime = (u16)v;
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5002 int v, i = 0;
5003
5004 line += 16;
5005 v = get_dec_u16(line, &i, 5);
5006 v = (v<0) ? 0 : v;
5007 ai->config.rxLifetime = (u16)v;
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5010 ai->config.txDiversity =
5011 (line[13]=='l') ? 1 :
5012 ((line[13]=='r')? 2: 3);
5013 set_bit (FLAG_COMMIT, &ai->flags);
5014 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5015 ai->config.rxDiversity =
5016 (line[13]=='l') ? 1 :
5017 ((line[13]=='r')? 2: 3);
5018 set_bit (FLAG_COMMIT, &ai->flags);
5019 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5020 int v, i = 0;
5021
5022 line += 15;
5023 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05005024 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005025 v = v & 0xfffe; /* Make sure its even */
5026 ai->config.fragThresh = (u16)v;
5027 set_bit (FLAG_COMMIT, &ai->flags);
5028 } else if (!strncmp(line, "Modulation: ", 12)) {
5029 line += 12;
5030 switch(*line) {
5031 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5032 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5033 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005034 default: airo_print_warn(ai->dev->name, "Unknown modulation");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005035 }
5036 } else if (!strncmp(line, "Preamble: ", 10)) {
5037 line += 10;
5038 switch(*line) {
5039 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005042 default: airo_print_warn(ai->dev->name, "Unknown preamble");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005043 }
5044 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005045 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005046 }
5047 while( line[0] && line[0] != '\n' ) line++;
5048 if ( line[0] ) line++;
5049 }
5050 airo_config_commit(dev, NULL, NULL, NULL);
5051}
5052
5053static char *get_rmode(u16 mode) {
5054 switch(mode&0xff) {
5055 case RXMODE_RFMON: return "rfmon";
5056 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5057 case RXMODE_LANMON: return "lanmon";
5058 }
5059 return "ESS";
5060}
5061
5062static int proc_config_open( struct inode *inode, struct file *file ) {
5063 struct proc_data *data;
5064 struct proc_dir_entry *dp = PDE(inode);
5065 struct net_device *dev = dp->data;
5066 struct airo_info *ai = dev->priv;
5067 int i;
5068
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005069 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005070 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005071 data = (struct proc_data *)file->private_data;
5072 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5073 kfree (file->private_data);
5074 return -ENOMEM;
5075 }
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005076 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005077 kfree (data->rbuffer);
5078 kfree (file->private_data);
5079 return -ENOMEM;
5080 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005081 data->maxwritelen = 2048;
5082 data->on_close = proc_config_on_close;
5083
5084 readConfigRid(ai, 1);
5085
5086 i = sprintf( data->rbuffer,
5087 "Mode: %s\n"
5088 "Radio: %s\n"
5089 "NodeName: %-16s\n"
5090 "PowerMode: %s\n"
5091 "DataRates: %d %d %d %d %d %d %d %d\n"
5092 "Channel: %d\n"
5093 "XmitPower: %d\n",
5094 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5095 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5096 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5097 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5098 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5099 ai->config.nodeName,
5100 ai->config.powerSaveMode == 0 ? "CAM" :
5101 ai->config.powerSaveMode == 1 ? "PSP" :
5102 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5103 (int)ai->config.rates[0],
5104 (int)ai->config.rates[1],
5105 (int)ai->config.rates[2],
5106 (int)ai->config.rates[3],
5107 (int)ai->config.rates[4],
5108 (int)ai->config.rates[5],
5109 (int)ai->config.rates[6],
5110 (int)ai->config.rates[7],
5111 (int)ai->config.channelSet,
5112 (int)ai->config.txPower
5113 );
5114 sprintf( data->rbuffer + i,
5115 "LongRetryLimit: %d\n"
5116 "ShortRetryLimit: %d\n"
5117 "RTSThreshold: %d\n"
5118 "TXMSDULifetime: %d\n"
5119 "RXMSDULifetime: %d\n"
5120 "TXDiversity: %s\n"
5121 "RXDiversity: %s\n"
5122 "FragThreshold: %d\n"
5123 "WEP: %s\n"
5124 "Modulation: %s\n"
5125 "Preamble: %s\n",
5126 (int)ai->config.longRetryLimit,
5127 (int)ai->config.shortRetryLimit,
5128 (int)ai->config.rtsThres,
5129 (int)ai->config.txLifetime,
5130 (int)ai->config.rxLifetime,
5131 ai->config.txDiversity == 1 ? "left" :
5132 ai->config.txDiversity == 2 ? "right" : "both",
5133 ai->config.rxDiversity == 1 ? "left" :
5134 ai->config.rxDiversity == 2 ? "right" : "both",
5135 (int)ai->config.fragThresh,
5136 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5137 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5138 ai->config.modulation == 0 ? "default" :
5139 ai->config.modulation == MOD_CCK ? "cck" :
5140 ai->config.modulation == MOD_MOK ? "mok" : "error",
5141 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5142 ai->config.preamble == PREAMBLE_LONG ? "long" :
5143 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5144 );
5145 data->readlen = strlen( data->rbuffer );
5146 return 0;
5147}
5148
5149static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5150 struct proc_data *data = (struct proc_data *)file->private_data;
5151 struct proc_dir_entry *dp = PDE(inode);
5152 struct net_device *dev = dp->data;
5153 struct airo_info *ai = dev->priv;
5154 SsidRid SSID_rid;
5155 Resp rsp;
5156 int i;
5157 int offset = 0;
5158
5159 if ( !data->writelen ) return;
5160
5161 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5162
5163 for( i = 0; i < 3; i++ ) {
5164 int j;
5165 for( j = 0; j+offset < data->writelen && j < 32 &&
5166 data->wbuffer[offset+j] != '\n'; j++ ) {
5167 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5168 }
5169 if ( j == 0 ) break;
5170 SSID_rid.ssids[i].len = j;
5171 offset += j;
5172 while( data->wbuffer[offset] != '\n' &&
5173 offset < data->writelen ) offset++;
5174 offset++;
5175 }
5176 if (i)
5177 SSID_rid.len = sizeof(SSID_rid);
5178 disable_MAC(ai, 1);
5179 writeSsidRid(ai, &SSID_rid, 1);
5180 enable_MAC(ai, &rsp, 1);
5181}
5182
Jesper Juhl77933d72005-07-27 11:46:09 -07005183static inline u8 hexVal(char c) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005184 if (c>='0' && c<='9') return c -= '0';
5185 if (c>='a' && c<='f') return c -= 'a'-10;
5186 if (c>='A' && c<='F') return c -= 'A'-10;
5187 return 0;
5188}
5189
5190static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5191 struct proc_data *data = (struct proc_data *)file->private_data;
5192 struct proc_dir_entry *dp = PDE(inode);
5193 struct net_device *dev = dp->data;
5194 struct airo_info *ai = dev->priv;
5195 APListRid APList_rid;
5196 Resp rsp;
5197 int i;
5198
5199 if ( !data->writelen ) return;
5200
5201 memset( &APList_rid, 0, sizeof(APList_rid) );
5202 APList_rid.len = sizeof(APList_rid);
5203
5204 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5205 int j;
5206 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5207 switch(j%3) {
5208 case 0:
5209 APList_rid.ap[i][j/3]=
5210 hexVal(data->wbuffer[j+i*6*3])<<4;
5211 break;
5212 case 1:
5213 APList_rid.ap[i][j/3]|=
5214 hexVal(data->wbuffer[j+i*6*3]);
5215 break;
5216 }
5217 }
5218 }
5219 disable_MAC(ai, 1);
5220 writeAPListRid(ai, &APList_rid, 1);
5221 enable_MAC(ai, &rsp, 1);
5222}
5223
5224/* This function wraps PC4500_writerid with a MAC disable */
5225static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5226 int len, int dummy ) {
5227 int rc;
5228 Resp rsp;
5229
5230 disable_MAC(ai, 1);
5231 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5232 enable_MAC(ai, &rsp, 1);
5233 return rc;
5234}
5235
5236/* Returns the length of the key at the index. If index == 0xffff
5237 * the index of the transmit key is returned. If the key doesn't exist,
5238 * -1 will be returned.
5239 */
5240static int get_wep_key(struct airo_info *ai, u16 index) {
5241 WepKeyRid wkr;
5242 int rc;
5243 u16 lastindex;
5244
5245 rc = readWepKeyRid(ai, &wkr, 1, 1);
5246 if (rc == SUCCESS) do {
5247 lastindex = wkr.kindex;
5248 if (wkr.kindex == index) {
5249 if (index == 0xffff) {
5250 return wkr.mac[0];
5251 }
5252 return wkr.klen;
5253 }
5254 readWepKeyRid(ai, &wkr, 0, 1);
5255 } while(lastindex != wkr.kindex);
5256 return -1;
5257}
5258
5259static int set_wep_key(struct airo_info *ai, u16 index,
5260 const char *key, u16 keylen, int perm, int lock ) {
5261 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5262 WepKeyRid wkr;
5263 Resp rsp;
5264
5265 memset(&wkr, 0, sizeof(wkr));
5266 if (keylen == 0) {
5267// We are selecting which key to use
5268 wkr.len = sizeof(wkr);
5269 wkr.kindex = 0xffff;
5270 wkr.mac[0] = (char)index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005271 if (perm) ai->defindex = (char)index;
5272 } else {
5273// We are actually setting the key
5274 wkr.len = sizeof(wkr);
5275 wkr.kindex = index;
5276 wkr.klen = keylen;
5277 memcpy( wkr.key, key, keylen );
5278 memcpy( wkr.mac, macaddr, ETH_ALEN );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005279 }
5280
Dan Streetmanf89b2322005-11-11 11:41:42 -05005281 if (perm) disable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005282 writeWepKeyRid(ai, &wkr, perm, lock);
Dan Streetmanf89b2322005-11-11 11:41:42 -05005283 if (perm) enable_MAC(ai, &rsp, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005284 return 0;
5285}
5286
5287static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5288 struct proc_data *data;
5289 struct proc_dir_entry *dp = PDE(inode);
5290 struct net_device *dev = dp->data;
5291 struct airo_info *ai = dev->priv;
5292 int i;
5293 char key[16];
5294 u16 index = 0;
5295 int j = 0;
5296
5297 memset(key, 0, sizeof(key));
5298
5299 data = (struct proc_data *)file->private_data;
5300 if ( !data->writelen ) return;
5301
5302 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5303 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5304 index = data->wbuffer[0] - '0';
5305 if (data->wbuffer[1] == '\n') {
5306 set_wep_key(ai, index, NULL, 0, 1, 1);
5307 return;
5308 }
5309 j = 2;
5310 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005311 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005312 return;
5313 }
5314
5315 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5316 switch(i%3) {
5317 case 0:
5318 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5319 break;
5320 case 1:
5321 key[i/3] |= hexVal(data->wbuffer[i+j]);
5322 break;
5323 }
5324 }
5325 set_wep_key(ai, index, key, i/3, 1, 1);
5326}
5327
5328static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5329 struct proc_data *data;
5330 struct proc_dir_entry *dp = PDE(inode);
5331 struct net_device *dev = dp->data;
5332 struct airo_info *ai = dev->priv;
5333 char *ptr;
5334 WepKeyRid wkr;
5335 u16 lastindex;
5336 int j=0;
5337 int rc;
5338
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005339 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005340 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005341 memset(&wkr, 0, sizeof(wkr));
5342 data = (struct proc_data *)file->private_data;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005343 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005344 kfree (file->private_data);
5345 return -ENOMEM;
5346 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005347 data->writelen = 0;
5348 data->maxwritelen = 80;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005349 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005350 kfree (data->rbuffer);
5351 kfree (file->private_data);
5352 return -ENOMEM;
5353 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005354 data->on_close = proc_wepkey_on_close;
5355
5356 ptr = data->rbuffer;
5357 strcpy(ptr, "No wep keys\n");
5358 rc = readWepKeyRid(ai, &wkr, 1, 1);
5359 if (rc == SUCCESS) do {
5360 lastindex = wkr.kindex;
5361 if (wkr.kindex == 0xffff) {
5362 j += sprintf(ptr+j, "Tx key = %d\n",
5363 (int)wkr.mac[0]);
5364 } else {
5365 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5366 (int)wkr.kindex, (int)wkr.klen);
5367 }
5368 readWepKeyRid(ai, &wkr, 0, 1);
5369 } while((lastindex != wkr.kindex) && (j < 180-30));
5370
5371 data->readlen = strlen( data->rbuffer );
5372 return 0;
5373}
5374
5375static int proc_SSID_open( struct inode *inode, struct file *file ) {
5376 struct proc_data *data;
5377 struct proc_dir_entry *dp = PDE(inode);
5378 struct net_device *dev = dp->data;
5379 struct airo_info *ai = dev->priv;
5380 int i;
5381 char *ptr;
5382 SsidRid SSID_rid;
5383
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005384 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005385 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005386 data = (struct proc_data *)file->private_data;
5387 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5388 kfree (file->private_data);
5389 return -ENOMEM;
5390 }
5391 data->writelen = 0;
5392 data->maxwritelen = 33*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005393 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005394 kfree (data->rbuffer);
5395 kfree (file->private_data);
5396 return -ENOMEM;
5397 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005398 data->on_close = proc_SSID_on_close;
5399
5400 readSsidRid(ai, &SSID_rid);
5401 ptr = data->rbuffer;
5402 for( i = 0; i < 3; i++ ) {
5403 int j;
5404 if ( !SSID_rid.ssids[i].len ) break;
5405 for( j = 0; j < 32 &&
5406 j < SSID_rid.ssids[i].len &&
5407 SSID_rid.ssids[i].ssid[j]; j++ ) {
5408 *ptr++ = SSID_rid.ssids[i].ssid[j];
5409 }
5410 *ptr++ = '\n';
5411 }
5412 *ptr = '\0';
5413 data->readlen = strlen( data->rbuffer );
5414 return 0;
5415}
5416
5417static int proc_APList_open( struct inode *inode, struct file *file ) {
5418 struct proc_data *data;
5419 struct proc_dir_entry *dp = PDE(inode);
5420 struct net_device *dev = dp->data;
5421 struct airo_info *ai = dev->priv;
5422 int i;
5423 char *ptr;
5424 APListRid APList_rid;
5425
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005426 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005427 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005428 data = (struct proc_data *)file->private_data;
5429 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5430 kfree (file->private_data);
5431 return -ENOMEM;
5432 }
5433 data->writelen = 0;
5434 data->maxwritelen = 4*6*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005435 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005436 kfree (data->rbuffer);
5437 kfree (file->private_data);
5438 return -ENOMEM;
5439 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005440 data->on_close = proc_APList_on_close;
5441
5442 readAPListRid(ai, &APList_rid);
5443 ptr = data->rbuffer;
5444 for( i = 0; i < 4; i++ ) {
5445// We end when we find a zero MAC
5446 if ( !*(int*)APList_rid.ap[i] &&
5447 !*(int*)&APList_rid.ap[i][2]) break;
5448 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5449 (int)APList_rid.ap[i][0],
5450 (int)APList_rid.ap[i][1],
5451 (int)APList_rid.ap[i][2],
5452 (int)APList_rid.ap[i][3],
5453 (int)APList_rid.ap[i][4],
5454 (int)APList_rid.ap[i][5]);
5455 }
5456 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5457
5458 *ptr = '\0';
5459 data->readlen = strlen( data->rbuffer );
5460 return 0;
5461}
5462
5463static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5464 struct proc_data *data;
5465 struct proc_dir_entry *dp = PDE(inode);
5466 struct net_device *dev = dp->data;
5467 struct airo_info *ai = dev->priv;
5468 char *ptr;
5469 BSSListRid BSSList_rid;
5470 int rc;
5471 /* If doLoseSync is not 1, we won't do a Lose Sync */
5472 int doLoseSync = -1;
5473
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005474 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005475 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005476 data = (struct proc_data *)file->private_data;
5477 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5478 kfree (file->private_data);
5479 return -ENOMEM;
5480 }
5481 data->writelen = 0;
5482 data->maxwritelen = 0;
5483 data->wbuffer = NULL;
5484 data->on_close = NULL;
5485
5486 if (file->f_mode & FMODE_WRITE) {
5487 if (!(file->f_mode & FMODE_READ)) {
5488 Cmd cmd;
5489 Resp rsp;
5490
5491 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5492 memset(&cmd, 0, sizeof(cmd));
5493 cmd.cmd=CMD_LISTBSS;
5494 if (down_interruptible(&ai->sem))
5495 return -ERESTARTSYS;
5496 issuecommand(ai, &cmd, &rsp);
5497 up(&ai->sem);
5498 data->readlen = 0;
5499 return 0;
5500 }
5501 doLoseSync = 1;
5502 }
5503 ptr = data->rbuffer;
5504 /* There is a race condition here if there are concurrent opens.
5505 Since it is a rare condition, we'll just live with it, otherwise
5506 we have to add a spin lock... */
5507 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5508 while(rc == 0 && BSSList_rid.index != 0xffff) {
5509 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5510 (int)BSSList_rid.bssid[0],
5511 (int)BSSList_rid.bssid[1],
5512 (int)BSSList_rid.bssid[2],
5513 (int)BSSList_rid.bssid[3],
5514 (int)BSSList_rid.bssid[4],
5515 (int)BSSList_rid.bssid[5],
5516 (int)BSSList_rid.ssidLen,
5517 BSSList_rid.ssid,
Dan Williams41480af2005-05-10 09:45:51 -04005518 (int)BSSList_rid.dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005519 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5520 (int)BSSList_rid.dsChannel,
5521 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5522 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5523 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5524 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5525 rc = readBSSListRid(ai, 0, &BSSList_rid);
5526 }
5527 *ptr = '\0';
5528 data->readlen = strlen( data->rbuffer );
5529 return 0;
5530}
5531
5532static int proc_close( struct inode *inode, struct file *file )
5533{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04005534 struct proc_data *data = file->private_data;
5535
5536 if (data->on_close != NULL)
5537 data->on_close(inode, file);
5538 kfree(data->rbuffer);
5539 kfree(data->wbuffer);
5540 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005541 return 0;
5542}
5543
Linus Torvalds1da177e2005-04-16 15:20:36 -07005544/* Since the card doesn't automatically switch to the right WEP mode,
5545 we will make it do it. If the card isn't associated, every secs we
5546 will switch WEP modes to see if that will help. If the card is
5547 associated we will check every minute to see if anything has
5548 changed. */
5549static void timer_func( struct net_device *dev ) {
5550 struct airo_info *apriv = dev->priv;
5551 Resp rsp;
5552
5553/* We don't have a link so try changing the authtype */
5554 readConfigRid(apriv, 0);
5555 disable_MAC(apriv, 0);
5556 switch(apriv->config.authType) {
5557 case AUTH_ENCRYPT:
5558/* So drop to OPEN */
5559 apriv->config.authType = AUTH_OPEN;
5560 break;
5561 case AUTH_SHAREDKEY:
5562 if (apriv->keyindex < auto_wep) {
5563 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5564 apriv->config.authType = AUTH_SHAREDKEY;
5565 apriv->keyindex++;
5566 } else {
5567 /* Drop to ENCRYPT */
5568 apriv->keyindex = 0;
5569 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5570 apriv->config.authType = AUTH_ENCRYPT;
5571 }
5572 break;
5573 default: /* We'll escalate to SHAREDKEY */
5574 apriv->config.authType = AUTH_SHAREDKEY;
5575 }
5576 set_bit (FLAG_COMMIT, &apriv->flags);
5577 writeConfigRid(apriv, 0);
5578 enable_MAC(apriv, &rsp, 0);
5579 up(&apriv->sem);
5580
5581/* Schedule check to see if the change worked */
Dan Williams3c304952006-04-15 12:26:18 -04005582 clear_bit(JOB_AUTOWEP, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005583 apriv->expires = RUN_AT(HZ*3);
5584}
5585
Linus Torvalds1da177e2005-04-16 15:20:36 -07005586#ifdef CONFIG_PCI
5587static int __devinit airo_pci_probe(struct pci_dev *pdev,
5588 const struct pci_device_id *pent)
5589{
5590 struct net_device *dev;
5591
5592 if (pci_enable_device(pdev))
5593 return -ENODEV;
5594 pci_set_master(pdev);
5595
5596 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5597 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5598 else
5599 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005600 if (!dev) {
5601 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005602 return -ENODEV;
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005603 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005604
5605 pci_set_drvdata(pdev, dev);
5606 return 0;
5607}
5608
5609static void __devexit airo_pci_remove(struct pci_dev *pdev)
5610{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005611 struct net_device *dev = pci_get_drvdata(pdev);
5612
5613 airo_print_info(dev->name, "Unregistering...");
5614 stop_airo_card(dev, 1);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005615 pci_disable_device(pdev);
5616 pci_set_drvdata(pdev, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005617}
5618
Pavel Machek05adc3b2005-04-16 15:25:25 -07005619static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005620{
5621 struct net_device *dev = pci_get_drvdata(pdev);
5622 struct airo_info *ai = dev->priv;
5623 Cmd cmd;
5624 Resp rsp;
5625
5626 if ((ai->APList == NULL) &&
5627 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5628 return -ENOMEM;
5629 if ((ai->SSID == NULL) &&
5630 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5631 return -ENOMEM;
5632 readAPListRid(ai, ai->APList);
5633 readSsidRid(ai, ai->SSID);
5634 memset(&cmd, 0, sizeof(cmd));
5635 /* the lock will be released at the end of the resume callback */
5636 if (down_interruptible(&ai->sem))
5637 return -EAGAIN;
5638 disable_MAC(ai, 0);
5639 netif_device_detach(dev);
5640 ai->power = state;
5641 cmd.cmd=HOSTSLEEP;
5642 issuecommand(ai, &cmd, &rsp);
5643
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005644 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005645 pci_save_state(pdev);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005646 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005647}
5648
5649static int airo_pci_resume(struct pci_dev *pdev)
5650{
5651 struct net_device *dev = pci_get_drvdata(pdev);
5652 struct airo_info *ai = dev->priv;
5653 Resp rsp;
Michal Schmidt53232802005-10-04 07:46:21 -04005654 pci_power_t prev_state = pdev->current_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005655
Michal Schmidt53232802005-10-04 07:46:21 -04005656 pci_set_power_state(pdev, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005657 pci_restore_state(pdev);
Michal Schmidt53232802005-10-04 07:46:21 -04005658 pci_enable_wake(pdev, PCI_D0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005659
Michal Schmidt53232802005-10-04 07:46:21 -04005660 if (prev_state != PCI_D1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005661 reset_card(dev, 0);
5662 mpi_init_descriptors(ai);
5663 setup_card(ai, dev->dev_addr, 0);
5664 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5665 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5666 } else {
5667 OUT4500(ai, EVACK, EV_AWAKEN);
5668 OUT4500(ai, EVACK, EV_AWAKEN);
5669 msleep(100);
5670 }
5671
5672 set_bit (FLAG_COMMIT, &ai->flags);
5673 disable_MAC(ai, 0);
5674 msleep(200);
5675 if (ai->SSID) {
5676 writeSsidRid(ai, ai->SSID, 0);
5677 kfree(ai->SSID);
5678 ai->SSID = NULL;
5679 }
5680 if (ai->APList) {
5681 writeAPListRid(ai, ai->APList, 0);
5682 kfree(ai->APList);
5683 ai->APList = NULL;
5684 }
5685 writeConfigRid(ai, 0);
5686 enable_MAC(ai, &rsp, 0);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005687 ai->power = PMSG_ON;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005688 netif_device_attach(dev);
5689 netif_wake_queue(dev);
5690 enable_interrupts(ai);
5691 up(&ai->sem);
5692 return 0;
5693}
5694#endif
5695
5696static int __init airo_init_module( void )
5697{
Jeff Garzikde897882006-10-01 07:31:09 -04005698 int i;
5699#if 0
5700 int have_isa_dev = 0;
5701#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005702
5703 airo_entry = create_proc_entry("aironet",
5704 S_IFDIR | airo_perm,
5705 proc_root_driver);
Jeff Garzikde897882006-10-01 07:31:09 -04005706
5707 if (airo_entry) {
5708 airo_entry->uid = proc_uid;
5709 airo_entry->gid = proc_gid;
5710 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005711
5712 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005713 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5714 "io=0x%x", irq[i], io[i] );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005715 if (init_airo_card( irq[i], io[i], 0, NULL ))
Jeff Garzikde897882006-10-01 07:31:09 -04005716#if 0
Linus Torvalds1da177e2005-04-16 15:20:36 -07005717 have_isa_dev = 1;
Jeff Garzikde897882006-10-01 07:31:09 -04005718#else
5719 /* do nothing */ ;
5720#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005721 }
5722
5723#ifdef CONFIG_PCI
Dan Williams934d8bf2006-03-16 13:46:23 -05005724 airo_print_info("", "Probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005725 i = pci_register_driver(&airo_driver);
Dan Williams934d8bf2006-03-16 13:46:23 -05005726 airo_print_info("", "Finished probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005727
5728 if (i) {
5729 remove_proc_entry("aironet", proc_root_driver);
5730 return i;
5731 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005732#endif
5733
5734 /* Always exit with success, as we are a library module
5735 * as well as a driver module
5736 */
5737 return 0;
5738}
5739
5740static void __exit airo_cleanup_module( void )
5741{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005742 struct airo_info *ai;
5743 while(!list_empty(&airo_devices)) {
5744 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5745 airo_print_info(ai->dev->name, "Unregistering...");
5746 stop_airo_card(ai->dev, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005747 }
5748#ifdef CONFIG_PCI
5749 pci_unregister_driver(&airo_driver);
5750#endif
5751 remove_proc_entry("aironet", proc_root_driver);
5752}
5753
Linus Torvalds1da177e2005-04-16 15:20:36 -07005754/*
5755 * Initial Wireless Extension code for Aironet driver by :
5756 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5757 * Conversion to new driver API by :
5758 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5759 * Javier also did a good amount of work here, adding some new extensions
5760 * and fixing my code. Let's just say that without him this code just
5761 * would not work at all... - Jean II
5762 */
5763
Dan Williams41480af2005-05-10 09:45:51 -04005764static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5765{
5766 if( !rssi_rid )
5767 return 0;
5768
5769 return (0x100 - rssi_rid[rssi].rssidBm);
5770}
5771
5772static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5773{
5774 int i;
5775
5776 if( !rssi_rid )
5777 return 0;
5778
5779 for( i = 0; i < 256; i++ )
5780 if (rssi_rid[i].rssidBm == dbm)
5781 return rssi_rid[i].rssipct;
5782
5783 return 0;
5784}
5785
5786
Linus Torvalds1da177e2005-04-16 15:20:36 -07005787static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5788{
5789 int quality = 0;
5790
5791 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5792 if (memcmp(cap_rid->prodName, "350", 3))
5793 if (status_rid->signalQuality > 0x20)
5794 quality = 0;
5795 else
5796 quality = 0x20 - status_rid->signalQuality;
5797 else
5798 if (status_rid->signalQuality > 0xb0)
5799 quality = 0;
5800 else if (status_rid->signalQuality < 0x10)
5801 quality = 0xa0;
5802 else
5803 quality = 0xb0 - status_rid->signalQuality;
5804 }
5805 return quality;
5806}
5807
5808#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5809#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5810
5811/*------------------------------------------------------------------*/
5812/*
5813 * Wireless Handler : get protocol name
5814 */
5815static int airo_get_name(struct net_device *dev,
5816 struct iw_request_info *info,
5817 char *cwrq,
5818 char *extra)
5819{
5820 strcpy(cwrq, "IEEE 802.11-DS");
5821 return 0;
5822}
5823
5824/*------------------------------------------------------------------*/
5825/*
5826 * Wireless Handler : set frequency
5827 */
5828static int airo_set_freq(struct net_device *dev,
5829 struct iw_request_info *info,
5830 struct iw_freq *fwrq,
5831 char *extra)
5832{
5833 struct airo_info *local = dev->priv;
5834 int rc = -EINPROGRESS; /* Call commit handler */
5835
5836 /* If setting by frequency, convert to a channel */
5837 if((fwrq->e == 1) &&
5838 (fwrq->m >= (int) 2.412e8) &&
5839 (fwrq->m <= (int) 2.487e8)) {
5840 int f = fwrq->m / 100000;
5841 int c = 0;
5842 while((c < 14) && (f != frequency_list[c]))
5843 c++;
5844 /* Hack to fall through... */
5845 fwrq->e = 0;
5846 fwrq->m = c + 1;
5847 }
5848 /* Setting by channel number */
5849 if((fwrq->m > 1000) || (fwrq->e > 0))
5850 rc = -EOPNOTSUPP;
5851 else {
5852 int channel = fwrq->m;
5853 /* We should do a better check than that,
5854 * based on the card capability !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005855 if((channel < 1) || (channel > 14)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005856 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5857 fwrq->m);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005858 rc = -EINVAL;
5859 } else {
5860 readConfigRid(local, 1);
5861 /* Yes ! We can set it !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005862 local->config.channelSet = (u16) channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005863 set_bit (FLAG_COMMIT, &local->flags);
5864 }
5865 }
5866 return rc;
5867}
5868
5869/*------------------------------------------------------------------*/
5870/*
5871 * Wireless Handler : get frequency
5872 */
5873static int airo_get_freq(struct net_device *dev,
5874 struct iw_request_info *info,
5875 struct iw_freq *fwrq,
5876 char *extra)
5877{
5878 struct airo_info *local = dev->priv;
5879 StatusRid status_rid; /* Card status info */
Javier Achirica2610c732006-01-17 08:01:01 -05005880 int ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005881
5882 readConfigRid(local, 1);
5883 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5884 status_rid.channel = local->config.channelSet;
5885 else
5886 readStatusRid(local, &status_rid, 1);
5887
Javier Achirica2610c732006-01-17 08:01:01 -05005888 ch = (int)status_rid.channel;
5889 if((ch > 0) && (ch < 15)) {
5890 fwrq->m = frequency_list[ch - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005891 fwrq->e = 1;
Javier Achirica2610c732006-01-17 08:01:01 -05005892 } else {
5893 fwrq->m = ch;
5894 fwrq->e = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005895 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005896
5897 return 0;
5898}
5899
5900/*------------------------------------------------------------------*/
5901/*
5902 * Wireless Handler : set ESSID
5903 */
5904static int airo_set_essid(struct net_device *dev,
5905 struct iw_request_info *info,
5906 struct iw_point *dwrq,
5907 char *extra)
5908{
5909 struct airo_info *local = dev->priv;
5910 Resp rsp;
5911 SsidRid SSID_rid; /* SSIDs */
5912
5913 /* Reload the list of current SSID */
5914 readSsidRid(local, &SSID_rid);
5915
5916 /* Check if we asked for `any' */
5917 if(dwrq->flags == 0) {
5918 /* Just send an empty SSID list */
5919 memset(&SSID_rid, 0, sizeof(SSID_rid));
5920 } else {
5921 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5922
5923 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005924 if(dwrq->length > IW_ESSID_MAX_SIZE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005925 return -E2BIG ;
5926 }
5927 /* Check if index is valid */
5928 if((index < 0) || (index >= 4)) {
5929 return -EINVAL;
5930 }
5931
5932 /* Set the SSID */
5933 memset(SSID_rid.ssids[index].ssid, 0,
5934 sizeof(SSID_rid.ssids[index].ssid));
5935 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005936 SSID_rid.ssids[index].len = dwrq->length;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005937 }
5938 SSID_rid.len = sizeof(SSID_rid);
5939 /* Write it to the card */
5940 disable_MAC(local, 1);
5941 writeSsidRid(local, &SSID_rid, 1);
5942 enable_MAC(local, &rsp, 1);
5943
5944 return 0;
5945}
5946
5947/*------------------------------------------------------------------*/
5948/*
5949 * Wireless Handler : get ESSID
5950 */
5951static int airo_get_essid(struct net_device *dev,
5952 struct iw_request_info *info,
5953 struct iw_point *dwrq,
5954 char *extra)
5955{
5956 struct airo_info *local = dev->priv;
5957 StatusRid status_rid; /* Card status info */
5958
5959 readStatusRid(local, &status_rid, 1);
5960
5961 /* Note : if dwrq->flags != 0, we should
5962 * get the relevant SSID from the SSID list... */
5963
5964 /* Get the current SSID */
5965 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005966 /* If none, we may want to get the one that was set */
5967
5968 /* Push it out ! */
Dan Williamsd6a13a22006-01-12 15:00:58 -05005969 dwrq->length = status_rid.SSIDlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005970 dwrq->flags = 1; /* active */
5971
5972 return 0;
5973}
5974
5975/*------------------------------------------------------------------*/
5976/*
5977 * Wireless Handler : set AP address
5978 */
5979static int airo_set_wap(struct net_device *dev,
5980 struct iw_request_info *info,
5981 struct sockaddr *awrq,
5982 char *extra)
5983{
5984 struct airo_info *local = dev->priv;
5985 Cmd cmd;
5986 Resp rsp;
5987 APListRid APList_rid;
Dan Williams4be757d2006-01-30 11:58:00 -05005988 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5989 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07005990
5991 if (awrq->sa_family != ARPHRD_ETHER)
5992 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05005993 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5994 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005995 memset(&cmd, 0, sizeof(cmd));
5996 cmd.cmd=CMD_LOSE_SYNC;
5997 if (down_interruptible(&local->sem))
5998 return -ERESTARTSYS;
5999 issuecommand(local, &cmd, &rsp);
6000 up(&local->sem);
6001 } else {
6002 memset(&APList_rid, 0, sizeof(APList_rid));
6003 APList_rid.len = sizeof(APList_rid);
6004 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6005 disable_MAC(local, 1);
6006 writeAPListRid(local, &APList_rid, 1);
6007 enable_MAC(local, &rsp, 1);
6008 }
6009 return 0;
6010}
6011
6012/*------------------------------------------------------------------*/
6013/*
6014 * Wireless Handler : get AP address
6015 */
6016static int airo_get_wap(struct net_device *dev,
6017 struct iw_request_info *info,
6018 struct sockaddr *awrq,
6019 char *extra)
6020{
6021 struct airo_info *local = dev->priv;
6022 StatusRid status_rid; /* Card status info */
6023
6024 readStatusRid(local, &status_rid, 1);
6025
6026 /* Tentative. This seems to work, wow, I'm lucky !!! */
6027 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6028 awrq->sa_family = ARPHRD_ETHER;
6029
6030 return 0;
6031}
6032
6033/*------------------------------------------------------------------*/
6034/*
6035 * Wireless Handler : set Nickname
6036 */
6037static int airo_set_nick(struct net_device *dev,
6038 struct iw_request_info *info,
6039 struct iw_point *dwrq,
6040 char *extra)
6041{
6042 struct airo_info *local = dev->priv;
6043
6044 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006045 if(dwrq->length > 16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006046 return -E2BIG;
6047 }
6048 readConfigRid(local, 1);
6049 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6050 memcpy(local->config.nodeName, extra, dwrq->length);
6051 set_bit (FLAG_COMMIT, &local->flags);
6052
6053 return -EINPROGRESS; /* Call commit handler */
6054}
6055
6056/*------------------------------------------------------------------*/
6057/*
6058 * Wireless Handler : get Nickname
6059 */
6060static int airo_get_nick(struct net_device *dev,
6061 struct iw_request_info *info,
6062 struct iw_point *dwrq,
6063 char *extra)
6064{
6065 struct airo_info *local = dev->priv;
6066
6067 readConfigRid(local, 1);
6068 strncpy(extra, local->config.nodeName, 16);
6069 extra[16] = '\0';
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006070 dwrq->length = strlen(extra);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006071
6072 return 0;
6073}
6074
6075/*------------------------------------------------------------------*/
6076/*
6077 * Wireless Handler : set Bit-Rate
6078 */
6079static int airo_set_rate(struct net_device *dev,
6080 struct iw_request_info *info,
6081 struct iw_param *vwrq,
6082 char *extra)
6083{
6084 struct airo_info *local = dev->priv;
6085 CapabilityRid cap_rid; /* Card capability info */
6086 u8 brate = 0;
6087 int i;
6088
6089 /* First : get a valid bit rate value */
6090 readCapabilityRid(local, &cap_rid, 1);
6091
6092 /* Which type of value ? */
6093 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6094 /* Setting by rate index */
6095 /* Find value in the magic rate table */
6096 brate = cap_rid.supportedRates[vwrq->value];
6097 } else {
6098 /* Setting by frequency value */
6099 u8 normvalue = (u8) (vwrq->value/500000);
6100
6101 /* Check if rate is valid */
6102 for(i = 0 ; i < 8 ; i++) {
6103 if(normvalue == cap_rid.supportedRates[i]) {
6104 brate = normvalue;
6105 break;
6106 }
6107 }
6108 }
6109 /* -1 designed the max rate (mostly auto mode) */
6110 if(vwrq->value == -1) {
6111 /* Get the highest available rate */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(cap_rid.supportedRates[i] == 0)
6114 break;
6115 }
6116 if(i != 0)
6117 brate = cap_rid.supportedRates[i - 1];
6118 }
6119 /* Check that it is valid */
6120 if(brate == 0) {
6121 return -EINVAL;
6122 }
6123
6124 readConfigRid(local, 1);
6125 /* Now, check if we want a fixed or auto value */
6126 if(vwrq->fixed == 0) {
6127 /* Fill all the rates up to this max rate */
6128 memset(local->config.rates, 0, 8);
6129 for(i = 0 ; i < 8 ; i++) {
6130 local->config.rates[i] = cap_rid.supportedRates[i];
6131 if(local->config.rates[i] == brate)
6132 break;
6133 }
6134 } else {
6135 /* Fixed mode */
6136 /* One rate, fixed */
6137 memset(local->config.rates, 0, 8);
6138 local->config.rates[0] = brate;
6139 }
6140 set_bit (FLAG_COMMIT, &local->flags);
6141
6142 return -EINPROGRESS; /* Call commit handler */
6143}
6144
6145/*------------------------------------------------------------------*/
6146/*
6147 * Wireless Handler : get Bit-Rate
6148 */
6149static int airo_get_rate(struct net_device *dev,
6150 struct iw_request_info *info,
6151 struct iw_param *vwrq,
6152 char *extra)
6153{
6154 struct airo_info *local = dev->priv;
6155 StatusRid status_rid; /* Card status info */
6156
6157 readStatusRid(local, &status_rid, 1);
6158
6159 vwrq->value = status_rid.currentXmitRate * 500000;
6160 /* If more than one rate, set auto */
6161 readConfigRid(local, 1);
6162 vwrq->fixed = (local->config.rates[1] == 0);
6163
6164 return 0;
6165}
6166
6167/*------------------------------------------------------------------*/
6168/*
6169 * Wireless Handler : set RTS threshold
6170 */
6171static int airo_set_rts(struct net_device *dev,
6172 struct iw_request_info *info,
6173 struct iw_param *vwrq,
6174 char *extra)
6175{
6176 struct airo_info *local = dev->priv;
6177 int rthr = vwrq->value;
6178
6179 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006180 rthr = AIRO_DEF_MTU;
6181 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006182 return -EINVAL;
6183 }
6184 readConfigRid(local, 1);
6185 local->config.rtsThres = rthr;
6186 set_bit (FLAG_COMMIT, &local->flags);
6187
6188 return -EINPROGRESS; /* Call commit handler */
6189}
6190
6191/*------------------------------------------------------------------*/
6192/*
6193 * Wireless Handler : get RTS threshold
6194 */
6195static int airo_get_rts(struct net_device *dev,
6196 struct iw_request_info *info,
6197 struct iw_param *vwrq,
6198 char *extra)
6199{
6200 struct airo_info *local = dev->priv;
6201
6202 readConfigRid(local, 1);
6203 vwrq->value = local->config.rtsThres;
Dan Williams15db2762006-03-16 13:46:27 -05006204 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006205 vwrq->fixed = 1;
6206
6207 return 0;
6208}
6209
6210/*------------------------------------------------------------------*/
6211/*
6212 * Wireless Handler : set Fragmentation threshold
6213 */
6214static int airo_set_frag(struct net_device *dev,
6215 struct iw_request_info *info,
6216 struct iw_param *vwrq,
6217 char *extra)
6218{
6219 struct airo_info *local = dev->priv;
6220 int fthr = vwrq->value;
6221
6222 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006223 fthr = AIRO_DEF_MTU;
6224 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006225 return -EINVAL;
6226 }
6227 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6228 readConfigRid(local, 1);
6229 local->config.fragThresh = (u16)fthr;
6230 set_bit (FLAG_COMMIT, &local->flags);
6231
6232 return -EINPROGRESS; /* Call commit handler */
6233}
6234
6235/*------------------------------------------------------------------*/
6236/*
6237 * Wireless Handler : get Fragmentation threshold
6238 */
6239static int airo_get_frag(struct net_device *dev,
6240 struct iw_request_info *info,
6241 struct iw_param *vwrq,
6242 char *extra)
6243{
6244 struct airo_info *local = dev->priv;
6245
6246 readConfigRid(local, 1);
6247 vwrq->value = local->config.fragThresh;
Dan Williams15db2762006-03-16 13:46:27 -05006248 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006249 vwrq->fixed = 1;
6250
6251 return 0;
6252}
6253
6254/*------------------------------------------------------------------*/
6255/*
6256 * Wireless Handler : set Mode of Operation
6257 */
6258static int airo_set_mode(struct net_device *dev,
6259 struct iw_request_info *info,
6260 __u32 *uwrq,
6261 char *extra)
6262{
6263 struct airo_info *local = dev->priv;
6264 int reset = 0;
6265
6266 readConfigRid(local, 1);
6267 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6268 reset = 1;
6269
6270 switch(*uwrq) {
6271 case IW_MODE_ADHOC:
6272 local->config.opmode &= 0xFF00;
6273 local->config.opmode |= MODE_STA_IBSS;
6274 local->config.rmode &= 0xfe00;
6275 local->config.scanMode = SCANMODE_ACTIVE;
6276 clear_bit (FLAG_802_11, &local->flags);
6277 break;
6278 case IW_MODE_INFRA:
6279 local->config.opmode &= 0xFF00;
6280 local->config.opmode |= MODE_STA_ESS;
6281 local->config.rmode &= 0xfe00;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6284 break;
6285 case IW_MODE_MASTER:
6286 local->config.opmode &= 0xFF00;
6287 local->config.opmode |= MODE_AP;
6288 local->config.rmode &= 0xfe00;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6291 break;
6292 case IW_MODE_REPEAT:
6293 local->config.opmode &= 0xFF00;
6294 local->config.opmode |= MODE_AP_RPTR;
6295 local->config.rmode &= 0xfe00;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6298 break;
6299 case IW_MODE_MONITOR:
6300 local->config.opmode &= 0xFF00;
6301 local->config.opmode |= MODE_STA_ESS;
6302 local->config.rmode &= 0xfe00;
6303 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6304 local->config.scanMode = SCANMODE_PASSIVE;
6305 set_bit (FLAG_802_11, &local->flags);
6306 break;
6307 default:
6308 return -EINVAL;
6309 }
6310 if (reset)
6311 set_bit (FLAG_RESET, &local->flags);
6312 set_bit (FLAG_COMMIT, &local->flags);
6313
6314 return -EINPROGRESS; /* Call commit handler */
6315}
6316
6317/*------------------------------------------------------------------*/
6318/*
6319 * Wireless Handler : get Mode of Operation
6320 */
6321static int airo_get_mode(struct net_device *dev,
6322 struct iw_request_info *info,
6323 __u32 *uwrq,
6324 char *extra)
6325{
6326 struct airo_info *local = dev->priv;
6327
6328 readConfigRid(local, 1);
6329 /* If not managed, assume it's ad-hoc */
6330 switch (local->config.opmode & 0xFF) {
6331 case MODE_STA_ESS:
6332 *uwrq = IW_MODE_INFRA;
6333 break;
6334 case MODE_AP:
6335 *uwrq = IW_MODE_MASTER;
6336 break;
6337 case MODE_AP_RPTR:
6338 *uwrq = IW_MODE_REPEAT;
6339 break;
6340 default:
6341 *uwrq = IW_MODE_ADHOC;
6342 }
6343
6344 return 0;
6345}
6346
6347/*------------------------------------------------------------------*/
6348/*
6349 * Wireless Handler : set Encryption Key
6350 */
6351static int airo_set_encode(struct net_device *dev,
6352 struct iw_request_info *info,
6353 struct iw_point *dwrq,
6354 char *extra)
6355{
6356 struct airo_info *local = dev->priv;
6357 CapabilityRid cap_rid; /* Card capability info */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006358 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6359 u16 currentAuthType = local->config.authType;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006360
6361 /* Is WEP supported ? */
6362 readCapabilityRid(local, &cap_rid, 1);
6363 /* Older firmware doesn't support this...
6364 if(!(cap_rid.softCap & 2)) {
6365 return -EOPNOTSUPP;
6366 } */
6367 readConfigRid(local, 1);
6368
6369 /* Basic checking: do we have a key to set ?
6370 * Note : with the new API, it's impossible to get a NULL pointer.
6371 * Therefore, we need to check a key size == 0 instead.
6372 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6373 * when no key is present (only change flags), but older versions
6374 * don't do it. - Jean II */
6375 if (dwrq->length > 0) {
6376 wep_key_t key;
6377 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6378 int current_index = get_wep_key(local, 0xffff);
6379 /* Check the size of the key */
6380 if (dwrq->length > MAX_KEY_SIZE) {
6381 return -EINVAL;
6382 }
6383 /* Check the index (none -> use current) */
6384 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6385 index = current_index;
6386 /* Set the length */
6387 if (dwrq->length > MIN_KEY_SIZE)
6388 key.len = MAX_KEY_SIZE;
6389 else
6390 if (dwrq->length > 0)
6391 key.len = MIN_KEY_SIZE;
6392 else
6393 /* Disable the key */
6394 key.len = 0;
6395 /* Check if the key is not marked as invalid */
6396 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6397 /* Cleanup */
6398 memset(key.key, 0, MAX_KEY_SIZE);
6399 /* Copy the key in the driver */
6400 memcpy(key.key, extra, dwrq->length);
6401 /* Send the key to the card */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006402 set_wep_key(local, index, key.key, key.len, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006403 }
6404 /* WE specify that if a valid key is set, encryption
6405 * should be enabled (user may turn it off later)
6406 * This is also how "iwconfig ethX key on" works */
6407 if((index == current_index) && (key.len > 0) &&
6408 (local->config.authType == AUTH_OPEN)) {
6409 local->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006410 }
6411 } else {
6412 /* Do we want to just set the transmit key index ? */
6413 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6414 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
Dan Streetmanf89b2322005-11-11 11:41:42 -05006415 set_wep_key(local, index, NULL, 0, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006416 } else
6417 /* Don't complain if only change the mode */
6418 if(!dwrq->flags & IW_ENCODE_MODE) {
6419 return -EINVAL;
6420 }
6421 }
6422 /* Read the flags */
6423 if(dwrq->flags & IW_ENCODE_DISABLED)
6424 local->config.authType = AUTH_OPEN; // disable encryption
6425 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6426 local->config.authType = AUTH_SHAREDKEY; // Only Both
6427 if(dwrq->flags & IW_ENCODE_OPEN)
6428 local->config.authType = AUTH_ENCRYPT; // Only Wep
6429 /* Commit the changes to flags if needed */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006430 if (local->config.authType != currentAuthType)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006431 set_bit (FLAG_COMMIT, &local->flags);
6432 return -EINPROGRESS; /* Call commit handler */
6433}
6434
6435/*------------------------------------------------------------------*/
6436/*
6437 * Wireless Handler : get Encryption Key
6438 */
6439static int airo_get_encode(struct net_device *dev,
6440 struct iw_request_info *info,
6441 struct iw_point *dwrq,
6442 char *extra)
6443{
6444 struct airo_info *local = dev->priv;
6445 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6446 CapabilityRid cap_rid; /* Card capability info */
6447
6448 /* Is it supported ? */
6449 readCapabilityRid(local, &cap_rid, 1);
6450 if(!(cap_rid.softCap & 2)) {
6451 return -EOPNOTSUPP;
6452 }
6453 readConfigRid(local, 1);
6454 /* Check encryption mode */
6455 switch(local->config.authType) {
6456 case AUTH_ENCRYPT:
6457 dwrq->flags = IW_ENCODE_OPEN;
6458 break;
6459 case AUTH_SHAREDKEY:
6460 dwrq->flags = IW_ENCODE_RESTRICTED;
6461 break;
6462 default:
6463 case AUTH_OPEN:
6464 dwrq->flags = IW_ENCODE_DISABLED;
6465 break;
6466 }
6467 /* We can't return the key, so set the proper flag and return zero */
6468 dwrq->flags |= IW_ENCODE_NOKEY;
6469 memset(extra, 0, 16);
6470
6471 /* Which key do we want ? -1 -> tx index */
6472 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6473 index = get_wep_key(local, 0xffff);
6474 dwrq->flags |= index + 1;
6475 /* Copy the key to the user buffer */
6476 dwrq->length = get_wep_key(local, index);
6477 if (dwrq->length > 16) {
6478 dwrq->length=0;
6479 }
6480 return 0;
6481}
6482
6483/*------------------------------------------------------------------*/
6484/*
Dan Williams4be757d2006-01-30 11:58:00 -05006485 * Wireless Handler : set extended Encryption parameters
6486 */
6487static int airo_set_encodeext(struct net_device *dev,
6488 struct iw_request_info *info,
6489 union iwreq_data *wrqu,
6490 char *extra)
6491{
6492 struct airo_info *local = dev->priv;
6493 struct iw_point *encoding = &wrqu->encoding;
6494 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6495 CapabilityRid cap_rid; /* Card capability info */
6496 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6497 u16 currentAuthType = local->config.authType;
Dan Williams22d88462006-02-05 18:00:30 -05006498 int idx, key_len, alg = ext->alg, set_key = 1;
Dan Williams4be757d2006-01-30 11:58:00 -05006499 wep_key_t key;
6500
6501 /* Is WEP supported ? */
6502 readCapabilityRid(local, &cap_rid, 1);
6503 /* Older firmware doesn't support this...
6504 if(!(cap_rid.softCap & 2)) {
6505 return -EOPNOTSUPP;
6506 } */
6507 readConfigRid(local, 1);
6508
6509 /* Determine and validate the key index */
6510 idx = encoding->flags & IW_ENCODE_INDEX;
6511 if (idx) {
6512 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6513 return -EINVAL;
6514 idx--;
6515 } else
6516 idx = get_wep_key(local, 0xffff);
6517
6518 if (encoding->flags & IW_ENCODE_DISABLED)
6519 alg = IW_ENCODE_ALG_NONE;
6520
Dan Williams4be757d2006-01-30 11:58:00 -05006521 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
Dan Williams22d88462006-02-05 18:00:30 -05006522 /* Only set transmit key index here, actual
6523 * key is set below if needed.
6524 */
Dan Williams4be757d2006-01-30 11:58:00 -05006525 set_wep_key(local, idx, NULL, 0, perm, 1);
Dan Williams22d88462006-02-05 18:00:30 -05006526 set_key = ext->key_len > 0 ? 1 : 0;
6527 }
6528
6529 if (set_key) {
Dan Williams4be757d2006-01-30 11:58:00 -05006530 /* Set the requested key first */
6531 memset(key.key, 0, MAX_KEY_SIZE);
6532 switch (alg) {
6533 case IW_ENCODE_ALG_NONE:
6534 key.len = 0;
6535 break;
6536 case IW_ENCODE_ALG_WEP:
6537 if (ext->key_len > MIN_KEY_SIZE) {
6538 key.len = MAX_KEY_SIZE;
6539 } else if (ext->key_len > 0) {
6540 key.len = MIN_KEY_SIZE;
6541 } else {
6542 return -EINVAL;
6543 }
6544 key_len = min (ext->key_len, key.len);
6545 memcpy(key.key, ext->key, key_len);
6546 break;
6547 default:
6548 return -EINVAL;
6549 }
6550 /* Send the key to the card */
6551 set_wep_key(local, idx, key.key, key.len, perm, 1);
6552 }
6553
6554 /* Read the flags */
6555 if(encoding->flags & IW_ENCODE_DISABLED)
6556 local->config.authType = AUTH_OPEN; // disable encryption
6557 if(encoding->flags & IW_ENCODE_RESTRICTED)
6558 local->config.authType = AUTH_SHAREDKEY; // Only Both
6559 if(encoding->flags & IW_ENCODE_OPEN)
6560 local->config.authType = AUTH_ENCRYPT; // Only Wep
6561 /* Commit the changes to flags if needed */
6562 if (local->config.authType != currentAuthType)
6563 set_bit (FLAG_COMMIT, &local->flags);
6564
6565 return -EINPROGRESS;
6566}
6567
6568
6569/*------------------------------------------------------------------*/
6570/*
6571 * Wireless Handler : get extended Encryption parameters
6572 */
6573static int airo_get_encodeext(struct net_device *dev,
6574 struct iw_request_info *info,
6575 union iwreq_data *wrqu,
6576 char *extra)
6577{
6578 struct airo_info *local = dev->priv;
6579 struct iw_point *encoding = &wrqu->encoding;
6580 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6581 CapabilityRid cap_rid; /* Card capability info */
6582 int idx, max_key_len;
6583
6584 /* Is it supported ? */
6585 readCapabilityRid(local, &cap_rid, 1);
6586 if(!(cap_rid.softCap & 2)) {
6587 return -EOPNOTSUPP;
6588 }
6589 readConfigRid(local, 1);
6590
6591 max_key_len = encoding->length - sizeof(*ext);
6592 if (max_key_len < 0)
6593 return -EINVAL;
6594
6595 idx = encoding->flags & IW_ENCODE_INDEX;
6596 if (idx) {
6597 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6598 return -EINVAL;
6599 idx--;
6600 } else
6601 idx = get_wep_key(local, 0xffff);
6602
6603 encoding->flags = idx + 1;
6604 memset(ext, 0, sizeof(*ext));
6605
6606 /* Check encryption mode */
6607 switch(local->config.authType) {
6608 case AUTH_ENCRYPT:
6609 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6610 break;
6611 case AUTH_SHAREDKEY:
6612 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6613 break;
6614 default:
6615 case AUTH_OPEN:
6616 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6617 break;
6618 }
6619 /* We can't return the key, so set the proper flag and return zero */
6620 encoding->flags |= IW_ENCODE_NOKEY;
6621 memset(extra, 0, 16);
6622
6623 /* Copy the key to the user buffer */
6624 ext->key_len = get_wep_key(local, idx);
6625 if (ext->key_len > 16) {
6626 ext->key_len=0;
6627 }
6628
6629 return 0;
6630}
6631
6632
6633/*------------------------------------------------------------------*/
6634/*
6635 * Wireless Handler : set extended authentication parameters
6636 */
6637static int airo_set_auth(struct net_device *dev,
6638 struct iw_request_info *info,
6639 union iwreq_data *wrqu, char *extra)
6640{
6641 struct airo_info *local = dev->priv;
6642 struct iw_param *param = &wrqu->param;
6643 u16 currentAuthType = local->config.authType;
6644
6645 switch (param->flags & IW_AUTH_INDEX) {
6646 case IW_AUTH_WPA_VERSION:
6647 case IW_AUTH_CIPHER_PAIRWISE:
6648 case IW_AUTH_CIPHER_GROUP:
6649 case IW_AUTH_KEY_MGMT:
6650 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6651 case IW_AUTH_PRIVACY_INVOKED:
6652 /*
6653 * airo does not use these parameters
6654 */
6655 break;
6656
6657 case IW_AUTH_DROP_UNENCRYPTED:
6658 if (param->value) {
6659 /* Only change auth type if unencrypted */
6660 if (currentAuthType == AUTH_OPEN)
6661 local->config.authType = AUTH_ENCRYPT;
6662 } else {
6663 local->config.authType = AUTH_OPEN;
6664 }
6665
6666 /* Commit the changes to flags if needed */
6667 if (local->config.authType != currentAuthType)
6668 set_bit (FLAG_COMMIT, &local->flags);
6669 break;
6670
6671 case IW_AUTH_80211_AUTH_ALG: {
6672 /* FIXME: What about AUTH_OPEN? This API seems to
6673 * disallow setting our auth to AUTH_OPEN.
6674 */
6675 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6676 local->config.authType = AUTH_SHAREDKEY;
6677 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6678 local->config.authType = AUTH_ENCRYPT;
6679 } else
6680 return -EINVAL;
6681 break;
6682
6683 /* Commit the changes to flags if needed */
6684 if (local->config.authType != currentAuthType)
6685 set_bit (FLAG_COMMIT, &local->flags);
6686 }
6687
6688 case IW_AUTH_WPA_ENABLED:
6689 /* Silently accept disable of WPA */
6690 if (param->value > 0)
6691 return -EOPNOTSUPP;
6692 break;
6693
6694 default:
6695 return -EOPNOTSUPP;
6696 }
6697 return -EINPROGRESS;
6698}
6699
6700
6701/*------------------------------------------------------------------*/
6702/*
6703 * Wireless Handler : get extended authentication parameters
6704 */
6705static int airo_get_auth(struct net_device *dev,
6706 struct iw_request_info *info,
6707 union iwreq_data *wrqu, char *extra)
6708{
6709 struct airo_info *local = dev->priv;
6710 struct iw_param *param = &wrqu->param;
6711 u16 currentAuthType = local->config.authType;
6712
6713 switch (param->flags & IW_AUTH_INDEX) {
6714 case IW_AUTH_DROP_UNENCRYPTED:
6715 switch (currentAuthType) {
6716 case AUTH_SHAREDKEY:
6717 case AUTH_ENCRYPT:
6718 param->value = 1;
6719 break;
6720 default:
6721 param->value = 0;
6722 break;
6723 }
6724 break;
6725
6726 case IW_AUTH_80211_AUTH_ALG:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6729 param->value = IW_AUTH_ALG_SHARED_KEY;
6730 break;
6731 case AUTH_ENCRYPT:
6732 default:
6733 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6734 break;
6735 }
6736 break;
6737
6738 case IW_AUTH_WPA_ENABLED:
6739 param->value = 0;
6740 break;
6741
6742 default:
6743 return -EOPNOTSUPP;
6744 }
6745 return 0;
6746}
6747
6748
6749/*------------------------------------------------------------------*/
6750/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07006751 * Wireless Handler : set Tx-Power
6752 */
6753static int airo_set_txpow(struct net_device *dev,
6754 struct iw_request_info *info,
6755 struct iw_param *vwrq,
6756 char *extra)
6757{
6758 struct airo_info *local = dev->priv;
6759 CapabilityRid cap_rid; /* Card capability info */
6760 int i;
6761 int rc = -EINVAL;
6762
6763 readCapabilityRid(local, &cap_rid, 1);
6764
6765 if (vwrq->disabled) {
6766 set_bit (FLAG_RADIO_OFF, &local->flags);
6767 set_bit (FLAG_COMMIT, &local->flags);
6768 return -EINPROGRESS; /* Call commit handler */
6769 }
6770 if (vwrq->flags != IW_TXPOW_MWATT) {
6771 return -EINVAL;
6772 }
6773 clear_bit (FLAG_RADIO_OFF, &local->flags);
6774 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6775 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6776 readConfigRid(local, 1);
6777 local->config.txPower = vwrq->value;
6778 set_bit (FLAG_COMMIT, &local->flags);
6779 rc = -EINPROGRESS; /* Call commit handler */
6780 break;
6781 }
6782 return rc;
6783}
6784
6785/*------------------------------------------------------------------*/
6786/*
6787 * Wireless Handler : get Tx-Power
6788 */
6789static int airo_get_txpow(struct net_device *dev,
6790 struct iw_request_info *info,
6791 struct iw_param *vwrq,
6792 char *extra)
6793{
6794 struct airo_info *local = dev->priv;
6795
6796 readConfigRid(local, 1);
6797 vwrq->value = local->config.txPower;
6798 vwrq->fixed = 1; /* No power control */
6799 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6800 vwrq->flags = IW_TXPOW_MWATT;
6801
6802 return 0;
6803}
6804
6805/*------------------------------------------------------------------*/
6806/*
6807 * Wireless Handler : set Retry limits
6808 */
6809static int airo_set_retry(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6812 char *extra)
6813{
6814 struct airo_info *local = dev->priv;
6815 int rc = -EINVAL;
6816
6817 if(vwrq->disabled) {
6818 return -EINVAL;
6819 }
6820 readConfigRid(local, 1);
6821 if(vwrq->flags & IW_RETRY_LIMIT) {
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006822 if(vwrq->flags & IW_RETRY_LONG)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006823 local->config.longRetryLimit = vwrq->value;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006824 else if (vwrq->flags & IW_RETRY_SHORT)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006825 local->config.shortRetryLimit = vwrq->value;
6826 else {
6827 /* No modifier : set both */
6828 local->config.longRetryLimit = vwrq->value;
6829 local->config.shortRetryLimit = vwrq->value;
6830 }
6831 set_bit (FLAG_COMMIT, &local->flags);
6832 rc = -EINPROGRESS; /* Call commit handler */
6833 }
6834 if(vwrq->flags & IW_RETRY_LIFETIME) {
6835 local->config.txLifetime = vwrq->value / 1024;
6836 set_bit (FLAG_COMMIT, &local->flags);
6837 rc = -EINPROGRESS; /* Call commit handler */
6838 }
6839 return rc;
6840}
6841
6842/*------------------------------------------------------------------*/
6843/*
6844 * Wireless Handler : get Retry limits
6845 */
6846static int airo_get_retry(struct net_device *dev,
6847 struct iw_request_info *info,
6848 struct iw_param *vwrq,
6849 char *extra)
6850{
6851 struct airo_info *local = dev->priv;
6852
6853 vwrq->disabled = 0; /* Can't be disabled */
6854
6855 readConfigRid(local, 1);
6856 /* Note : by default, display the min retry number */
6857 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6858 vwrq->flags = IW_RETRY_LIFETIME;
6859 vwrq->value = (int)local->config.txLifetime * 1024;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006860 } else if((vwrq->flags & IW_RETRY_LONG)) {
6861 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006862 vwrq->value = (int)local->config.longRetryLimit;
6863 } else {
6864 vwrq->flags = IW_RETRY_LIMIT;
6865 vwrq->value = (int)local->config.shortRetryLimit;
6866 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006867 vwrq->flags |= IW_RETRY_SHORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006868 }
6869
6870 return 0;
6871}
6872
6873/*------------------------------------------------------------------*/
6874/*
6875 * Wireless Handler : get range info
6876 */
6877static int airo_get_range(struct net_device *dev,
6878 struct iw_request_info *info,
6879 struct iw_point *dwrq,
6880 char *extra)
6881{
6882 struct airo_info *local = dev->priv;
6883 struct iw_range *range = (struct iw_range *) extra;
6884 CapabilityRid cap_rid; /* Card capability info */
6885 int i;
6886 int k;
6887
6888 readCapabilityRid(local, &cap_rid, 1);
6889
6890 dwrq->length = sizeof(struct iw_range);
6891 memset(range, 0, sizeof(*range));
6892 range->min_nwid = 0x0000;
6893 range->max_nwid = 0x0000;
6894 range->num_channels = 14;
6895 /* Should be based on cap_rid.country to give only
6896 * what the current card support */
6897 k = 0;
6898 for(i = 0; i < 14; i++) {
6899 range->freq[k].i = i + 1; /* List index */
6900 range->freq[k].m = frequency_list[i] * 100000;
6901 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6902 }
6903 range->num_frequency = k;
6904
Linus Torvalds1da177e2005-04-16 15:20:36 -07006905 range->sensitivity = 65535;
6906
Dan Williams41480af2005-05-10 09:45:51 -04006907 /* Hum... Should put the right values there */
6908 if (local->rssi)
6909 range->max_qual.qual = 100; /* % */
6910 else
6911 range->max_qual.qual = airo_get_max_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006912 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6913 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006914
6915 /* Experimental measurements - boundary 11/5.5 Mb/s */
6916 /* Note : with or without the (local->rssi), results
6917 * are somewhat different. - Jean II */
6918 if (local->rssi) {
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006919 range->avg_qual.qual = 50; /* % */
6920 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006921 } else {
6922 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006923 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006924 }
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006925 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006926
Linus Torvalds1da177e2005-04-16 15:20:36 -07006927 for(i = 0 ; i < 8 ; i++) {
6928 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6929 if(range->bitrate[i] == 0)
6930 break;
6931 }
6932 range->num_bitrates = i;
6933
6934 /* Set an indication of the max TCP throughput
6935 * in bit/s that we can expect using this interface.
6936 * May be use for QoS stuff... Jean II */
6937 if(i > 2)
6938 range->throughput = 5000 * 1000;
6939 else
6940 range->throughput = 1500 * 1000;
6941
6942 range->min_rts = 0;
Dan Williams15db2762006-03-16 13:46:27 -05006943 range->max_rts = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006944 range->min_frag = 256;
Dan Williams15db2762006-03-16 13:46:27 -05006945 range->max_frag = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006946
6947 if(cap_rid.softCap & 2) {
6948 // WEP: RC4 40 bits
6949 range->encoding_size[0] = 5;
6950 // RC4 ~128 bits
6951 if (cap_rid.softCap & 0x100) {
6952 range->encoding_size[1] = 13;
6953 range->num_encoding_sizes = 2;
6954 } else
6955 range->num_encoding_sizes = 1;
6956 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6957 } else {
6958 range->num_encoding_sizes = 0;
6959 range->max_encoding_tokens = 0;
6960 }
6961 range->min_pmp = 0;
6962 range->max_pmp = 5000000; /* 5 secs */
6963 range->min_pmt = 0;
6964 range->max_pmt = 65535 * 1024; /* ??? */
6965 range->pmp_flags = IW_POWER_PERIOD;
6966 range->pmt_flags = IW_POWER_TIMEOUT;
6967 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6968
6969 /* Transmit Power - values are in mW */
6970 for(i = 0 ; i < 8 ; i++) {
6971 range->txpower[i] = cap_rid.txPowerLevels[i];
6972 if(range->txpower[i] == 0)
6973 break;
6974 }
6975 range->num_txpower = i;
6976 range->txpower_capa = IW_TXPOW_MWATT;
Dan Williams3c304952006-04-15 12:26:18 -04006977 range->we_version_source = 19;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006978 range->we_version_compiled = WIRELESS_EXT;
6979 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6980 range->retry_flags = IW_RETRY_LIMIT;
6981 range->r_time_flags = IW_RETRY_LIFETIME;
6982 range->min_retry = 1;
6983 range->max_retry = 65535;
6984 range->min_r_time = 1024;
6985 range->max_r_time = 65535 * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006986
6987 /* Event capability (kernel + driver) */
6988 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6989 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6990 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6991 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6992 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6993 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6994 return 0;
6995}
6996
6997/*------------------------------------------------------------------*/
6998/*
6999 * Wireless Handler : set Power Management
7000 */
7001static int airo_set_power(struct net_device *dev,
7002 struct iw_request_info *info,
7003 struct iw_param *vwrq,
7004 char *extra)
7005{
7006 struct airo_info *local = dev->priv;
7007
7008 readConfigRid(local, 1);
7009 if (vwrq->disabled) {
7010 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7011 return -EINVAL;
7012 }
7013 local->config.powerSaveMode = POWERSAVE_CAM;
7014 local->config.rmode &= 0xFF00;
7015 local->config.rmode |= RXMODE_BC_MC_ADDR;
7016 set_bit (FLAG_COMMIT, &local->flags);
7017 return -EINPROGRESS; /* Call commit handler */
7018 }
7019 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7020 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7021 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7022 set_bit (FLAG_COMMIT, &local->flags);
7023 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7024 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7025 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7026 set_bit (FLAG_COMMIT, &local->flags);
7027 }
7028 switch (vwrq->flags & IW_POWER_MODE) {
7029 case IW_POWER_UNICAST_R:
7030 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7031 return -EINVAL;
7032 }
7033 local->config.rmode &= 0xFF00;
7034 local->config.rmode |= RXMODE_ADDR;
7035 set_bit (FLAG_COMMIT, &local->flags);
7036 break;
7037 case IW_POWER_ALL_R:
7038 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7039 return -EINVAL;
7040 }
7041 local->config.rmode &= 0xFF00;
7042 local->config.rmode |= RXMODE_BC_MC_ADDR;
7043 set_bit (FLAG_COMMIT, &local->flags);
7044 case IW_POWER_ON:
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07007045 /* This is broken, fixme ;-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007046 break;
7047 default:
7048 return -EINVAL;
7049 }
7050 // Note : we may want to factor local->need_commit here
7051 // Note2 : may also want to factor RXMODE_RFMON test
7052 return -EINPROGRESS; /* Call commit handler */
7053}
7054
7055/*------------------------------------------------------------------*/
7056/*
7057 * Wireless Handler : get Power Management
7058 */
7059static int airo_get_power(struct net_device *dev,
7060 struct iw_request_info *info,
7061 struct iw_param *vwrq,
7062 char *extra)
7063{
7064 struct airo_info *local = dev->priv;
7065 int mode;
7066
7067 readConfigRid(local, 1);
7068 mode = local->config.powerSaveMode;
7069 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7070 return 0;
7071 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7072 vwrq->value = (int)local->config.fastListenDelay * 1024;
7073 vwrq->flags = IW_POWER_TIMEOUT;
7074 } else {
7075 vwrq->value = (int)local->config.fastListenInterval * 1024;
7076 vwrq->flags = IW_POWER_PERIOD;
7077 }
7078 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7079 vwrq->flags |= IW_POWER_UNICAST_R;
7080 else
7081 vwrq->flags |= IW_POWER_ALL_R;
7082
7083 return 0;
7084}
7085
7086/*------------------------------------------------------------------*/
7087/*
7088 * Wireless Handler : set Sensitivity
7089 */
7090static int airo_set_sens(struct net_device *dev,
7091 struct iw_request_info *info,
7092 struct iw_param *vwrq,
7093 char *extra)
7094{
7095 struct airo_info *local = dev->priv;
7096
7097 readConfigRid(local, 1);
7098 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7099 set_bit (FLAG_COMMIT, &local->flags);
7100
7101 return -EINPROGRESS; /* Call commit handler */
7102}
7103
7104/*------------------------------------------------------------------*/
7105/*
7106 * Wireless Handler : get Sensitivity
7107 */
7108static int airo_get_sens(struct net_device *dev,
7109 struct iw_request_info *info,
7110 struct iw_param *vwrq,
7111 char *extra)
7112{
7113 struct airo_info *local = dev->priv;
7114
7115 readConfigRid(local, 1);
7116 vwrq->value = local->config.rssiThreshold;
7117 vwrq->disabled = (vwrq->value == 0);
7118 vwrq->fixed = 1;
7119
7120 return 0;
7121}
7122
7123/*------------------------------------------------------------------*/
7124/*
7125 * Wireless Handler : get AP List
7126 * Note : this is deprecated in favor of IWSCAN
7127 */
7128static int airo_get_aplist(struct net_device *dev,
7129 struct iw_request_info *info,
7130 struct iw_point *dwrq,
7131 char *extra)
7132{
7133 struct airo_info *local = dev->priv;
7134 struct sockaddr *address = (struct sockaddr *) extra;
7135 struct iw_quality qual[IW_MAX_AP];
7136 BSSListRid BSSList;
7137 int i;
7138 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7139
7140 for (i = 0; i < IW_MAX_AP; i++) {
7141 if (readBSSListRid(local, loseSync, &BSSList))
7142 break;
7143 loseSync = 0;
7144 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7145 address[i].sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007146 if (local->rssi) {
7147 qual[i].level = 0x100 - BSSList.dBm;
7148 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007149 qual[i].updated = IW_QUAL_QUAL_UPDATED
7150 | IW_QUAL_LEVEL_UPDATED
7151 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007152 } else {
7153 qual[i].level = (BSSList.dBm + 321) / 2;
7154 qual[i].qual = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007155 qual[i].updated = IW_QUAL_QUAL_INVALID
7156 | IW_QUAL_LEVEL_UPDATED
7157 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007158 }
7159 qual[i].noise = local->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007160 if (BSSList.index == 0xffff)
7161 break;
7162 }
7163 if (!i) {
7164 StatusRid status_rid; /* Card status info */
7165 readStatusRid(local, &status_rid, 1);
7166 for (i = 0;
7167 i < min(IW_MAX_AP, 4) &&
7168 (status_rid.bssid[i][0]
7169 & status_rid.bssid[i][1]
7170 & status_rid.bssid[i][2]
7171 & status_rid.bssid[i][3]
7172 & status_rid.bssid[i][4]
7173 & status_rid.bssid[i][5])!=0xff &&
7174 (status_rid.bssid[i][0]
7175 | status_rid.bssid[i][1]
7176 | status_rid.bssid[i][2]
7177 | status_rid.bssid[i][3]
7178 | status_rid.bssid[i][4]
7179 | status_rid.bssid[i][5]);
7180 i++) {
7181 memcpy(address[i].sa_data,
7182 status_rid.bssid[i], ETH_ALEN);
7183 address[i].sa_family = ARPHRD_ETHER;
7184 }
7185 } else {
7186 dwrq->flags = 1; /* Should be define'd */
7187 memcpy(extra + sizeof(struct sockaddr)*i,
7188 &qual, sizeof(struct iw_quality)*i);
7189 }
7190 dwrq->length = i;
7191
7192 return 0;
7193}
7194
7195/*------------------------------------------------------------------*/
7196/*
7197 * Wireless Handler : Initiate Scan
7198 */
7199static int airo_set_scan(struct net_device *dev,
7200 struct iw_request_info *info,
7201 struct iw_param *vwrq,
7202 char *extra)
7203{
7204 struct airo_info *ai = dev->priv;
7205 Cmd cmd;
7206 Resp rsp;
Dan Williams9e75af32006-03-16 13:46:29 -05007207 int wake = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007208
7209 /* Note : you may have realised that, as this is a SET operation,
7210 * this is privileged and therefore a normal user can't
7211 * perform scanning.
7212 * This is not an error, while the device perform scanning,
7213 * traffic doesn't flow, so it's a perfect DoS...
7214 * Jean II */
7215 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7216
Dan Williams9e75af32006-03-16 13:46:29 -05007217 if (down_interruptible(&ai->sem))
7218 return -ERESTARTSYS;
7219
7220 /* If there's already a scan in progress, don't
7221 * trigger another one. */
7222 if (ai->scan_timeout > 0)
7223 goto out;
7224
Linus Torvalds1da177e2005-04-16 15:20:36 -07007225 /* Initiate a scan command */
Dan Williams6fcdf562006-03-31 15:08:46 -05007226 ai->scan_timeout = RUN_AT(3*HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007227 memset(&cmd, 0, sizeof(cmd));
7228 cmd.cmd=CMD_LISTBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007229 issuecommand(ai, &cmd, &rsp);
Dan Williams9e75af32006-03-16 13:46:29 -05007230 wake = 1;
7231
7232out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07007233 up(&ai->sem);
Dan Williams9e75af32006-03-16 13:46:29 -05007234 if (wake)
7235 wake_up_interruptible(&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007236 return 0;
7237}
7238
7239/*------------------------------------------------------------------*/
7240/*
7241 * Translate scan data returned from the card to a card independent
7242 * format that the Wireless Tools will understand - Jean II
7243 */
7244static inline char *airo_translate_scan(struct net_device *dev,
7245 char *current_ev,
7246 char *end_buf,
Dan Williams41480af2005-05-10 09:45:51 -04007247 BSSListRid *bss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007248{
7249 struct airo_info *ai = dev->priv;
7250 struct iw_event iwe; /* Temporary buffer */
7251 u16 capabilities;
7252 char * current_val; /* For rates */
7253 int i;
Dan Williams3c304952006-04-15 12:26:18 -04007254 char * buf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007255
7256 /* First entry *MUST* be the AP MAC address */
7257 iwe.cmd = SIOCGIWAP;
7258 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007259 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007260 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7261
7262 /* Other entries will be displayed in the order we give them */
7263
7264 /* Add the ESSID */
Dan Williams41480af2005-05-10 09:45:51 -04007265 iwe.u.data.length = bss->ssidLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007266 if(iwe.u.data.length > 32)
7267 iwe.u.data.length = 32;
7268 iwe.cmd = SIOCGIWESSID;
7269 iwe.u.data.flags = 1;
Dan Williams41480af2005-05-10 09:45:51 -04007270 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007271
7272 /* Add mode */
7273 iwe.cmd = SIOCGIWMODE;
Dan Williams41480af2005-05-10 09:45:51 -04007274 capabilities = le16_to_cpu(bss->cap);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007275 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7276 if(capabilities & CAP_ESS)
7277 iwe.u.mode = IW_MODE_MASTER;
7278 else
7279 iwe.u.mode = IW_MODE_ADHOC;
7280 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7281 }
7282
7283 /* Add frequency */
7284 iwe.cmd = SIOCGIWFREQ;
Dan Williams41480af2005-05-10 09:45:51 -04007285 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
matthieu castet11414552005-09-12 23:31:39 +02007286 /* iwe.u.freq.m containt the channel (starting 1), our
7287 * frequency_list array start at index 0...
7288 */
7289 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007290 iwe.u.freq.e = 1;
7291 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7292
7293 /* Add quality statistics */
7294 iwe.cmd = IWEVQUAL;
Dan Williams41480af2005-05-10 09:45:51 -04007295 if (ai->rssi) {
7296 iwe.u.qual.level = 0x100 - bss->dBm;
7297 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007298 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7299 | IW_QUAL_LEVEL_UPDATED
7300 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007301 } else {
7302 iwe.u.qual.level = (bss->dBm + 321) / 2;
7303 iwe.u.qual.qual = 0;
Jeff Garzikbbeec902005-09-07 00:27:54 -04007304 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007305 | IW_QUAL_LEVEL_UPDATED
7306 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007307 }
7308 iwe.u.qual.noise = ai->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007309 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7310
7311 /* Add encryption capability */
7312 iwe.cmd = SIOCGIWENCODE;
7313 if(capabilities & CAP_PRIVACY)
7314 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7315 else
7316 iwe.u.data.flags = IW_ENCODE_DISABLED;
7317 iwe.u.data.length = 0;
Dan Williams41480af2005-05-10 09:45:51 -04007318 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007319
7320 /* Rate : stuffing multiple values in a single event require a bit
7321 * more of magic - Jean II */
7322 current_val = current_ev + IW_EV_LCP_LEN;
7323
7324 iwe.cmd = SIOCGIWRATE;
7325 /* Those two flags are ignored... */
7326 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7327 /* Max 8 values */
7328 for(i = 0 ; i < 8 ; i++) {
7329 /* NULL terminated */
Dan Williams41480af2005-05-10 09:45:51 -04007330 if(bss->rates[i] == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007331 break;
7332 /* Bit rate given in 500 kb/s units (+ 0x80) */
Dan Williams41480af2005-05-10 09:45:51 -04007333 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007334 /* Add new value to event */
7335 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7336 }
7337 /* Check if we added any event */
7338 if((current_val - current_ev) > IW_EV_LCP_LEN)
7339 current_ev = current_val;
7340
Dan Williams3c304952006-04-15 12:26:18 -04007341 /* Beacon interval */
7342 buf = kmalloc(30, GFP_KERNEL);
7343 if (buf) {
7344 iwe.cmd = IWEVCUSTOM;
7345 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7346 iwe.u.data.length = strlen(buf);
7347 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7348 kfree(buf);
7349 }
7350
7351 /* Put WPA/RSN Information Elements into the event stream */
7352 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7353 unsigned int num_null_ies = 0;
7354 u16 length = sizeof (bss->extra.iep);
7355 struct ieee80211_info_element *info_element =
7356 (struct ieee80211_info_element *) &bss->extra.iep;
7357
7358 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7359 if (sizeof(*info_element) + info_element->len > length) {
7360 /* Invalid element, don't continue parsing IE */
7361 break;
7362 }
7363
7364 switch (info_element->id) {
7365 case MFIE_TYPE_SSID:
7366 /* Two zero-length SSID elements
7367 * mean we're done parsing elements */
7368 if (!info_element->len)
7369 num_null_ies++;
7370 break;
7371
7372 case MFIE_TYPE_GENERIC:
7373 if (info_element->len >= 4 &&
7374 info_element->data[0] == 0x00 &&
7375 info_element->data[1] == 0x50 &&
7376 info_element->data[2] == 0xf2 &&
7377 info_element->data[3] == 0x01) {
7378 iwe.cmd = IWEVGENIE;
7379 iwe.u.data.length = min(info_element->len + 2,
7380 MAX_WPA_IE_LEN);
7381 current_ev = iwe_stream_add_point(current_ev, end_buf,
7382 &iwe, (char *) info_element);
7383 }
7384 break;
7385
7386 case MFIE_TYPE_RSN:
7387 iwe.cmd = IWEVGENIE;
7388 iwe.u.data.length = min(info_element->len + 2,
7389 MAX_WPA_IE_LEN);
7390 current_ev = iwe_stream_add_point(current_ev, end_buf,
7391 &iwe, (char *) info_element);
7392 break;
7393
7394 default:
7395 break;
7396 }
7397
7398 length -= sizeof(*info_element) + info_element->len;
7399 info_element =
7400 (struct ieee80211_info_element *)&info_element->
7401 data[info_element->len];
7402 }
7403 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007404 return current_ev;
7405}
7406
7407/*------------------------------------------------------------------*/
7408/*
7409 * Wireless Handler : Read Scan Results
7410 */
7411static int airo_get_scan(struct net_device *dev,
7412 struct iw_request_info *info,
7413 struct iw_point *dwrq,
7414 char *extra)
7415{
7416 struct airo_info *ai = dev->priv;
Dan Williams9e75af32006-03-16 13:46:29 -05007417 BSSListElement *net;
7418 int err = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007419 char *current_ev = extra;
7420
Dan Williams9e75af32006-03-16 13:46:29 -05007421 /* If a scan is in-progress, return -EAGAIN */
7422 if (ai->scan_timeout > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007423 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007424
Dan Williams9e75af32006-03-16 13:46:29 -05007425 if (down_interruptible(&ai->sem))
7426 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007427
Dan Williams9e75af32006-03-16 13:46:29 -05007428 list_for_each_entry (net, &ai->network_list, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007429 /* Translate to WE format this entry */
7430 current_ev = airo_translate_scan(dev, current_ev,
7431 extra + dwrq->length,
Dan Williams9e75af32006-03-16 13:46:29 -05007432 &net->bss);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007433
7434 /* Check if there is space for one more entry */
7435 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7436 /* Ask user space to try again with a bigger buffer */
Dan Williams9e75af32006-03-16 13:46:29 -05007437 err = -E2BIG;
7438 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007439 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007440 }
Dan Williams9e75af32006-03-16 13:46:29 -05007441
Linus Torvalds1da177e2005-04-16 15:20:36 -07007442 /* Length of data */
7443 dwrq->length = (current_ev - extra);
7444 dwrq->flags = 0; /* todo */
7445
Dan Williams9e75af32006-03-16 13:46:29 -05007446out:
7447 up(&ai->sem);
7448 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007449}
7450
7451/*------------------------------------------------------------------*/
7452/*
7453 * Commit handler : called after a bunch of SET operations
7454 */
7455static int airo_config_commit(struct net_device *dev,
7456 struct iw_request_info *info, /* NULL */
7457 void *zwrq, /* NULL */
7458 char *extra) /* NULL */
7459{
7460 struct airo_info *local = dev->priv;
7461 Resp rsp;
7462
7463 if (!test_bit (FLAG_COMMIT, &local->flags))
7464 return 0;
7465
7466 /* Some of the "SET" function may have modified some of the
7467 * parameters. It's now time to commit them in the card */
7468 disable_MAC(local, 1);
7469 if (test_bit (FLAG_RESET, &local->flags)) {
7470 APListRid APList_rid;
7471 SsidRid SSID_rid;
7472
7473 readAPListRid(local, &APList_rid);
7474 readSsidRid(local, &SSID_rid);
7475 if (test_bit(FLAG_MPI,&local->flags))
7476 setup_card(local, dev->dev_addr, 1 );
7477 else
7478 reset_airo_card(dev);
7479 disable_MAC(local, 1);
7480 writeSsidRid(local, &SSID_rid, 1);
7481 writeAPListRid(local, &APList_rid, 1);
7482 }
7483 if (down_interruptible(&local->sem))
7484 return -ERESTARTSYS;
7485 writeConfigRid(local, 0);
7486 enable_MAC(local, &rsp, 0);
7487 if (test_bit (FLAG_RESET, &local->flags))
7488 airo_set_promisc(local);
7489 else
7490 up(&local->sem);
7491
7492 return 0;
7493}
7494
7495/*------------------------------------------------------------------*/
7496/*
7497 * Structures to export the Wireless Handlers
7498 */
7499
7500static const struct iw_priv_args airo_private_args[] = {
7501/*{ cmd, set_args, get_args, name } */
7502 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7503 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7504 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7505 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7506};
7507
7508static const iw_handler airo_handler[] =
7509{
7510 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7511 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7512 (iw_handler) NULL, /* SIOCSIWNWID */
7513 (iw_handler) NULL, /* SIOCGIWNWID */
7514 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7515 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7516 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7517 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7518 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7519 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7520 (iw_handler) NULL, /* SIOCSIWRANGE */
7521 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7522 (iw_handler) NULL, /* SIOCSIWPRIV */
7523 (iw_handler) NULL, /* SIOCGIWPRIV */
7524 (iw_handler) NULL, /* SIOCSIWSTATS */
7525 (iw_handler) NULL, /* SIOCGIWSTATS */
7526 iw_handler_set_spy, /* SIOCSIWSPY */
7527 iw_handler_get_spy, /* SIOCGIWSPY */
7528 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7529 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7530 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7531 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7532 (iw_handler) NULL, /* -- hole -- */
7533 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7534 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7535 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7536 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7537 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7538 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7539 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7540 (iw_handler) NULL, /* -- hole -- */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7543 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7544 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7545 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7546 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7547 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7548 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7549 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7550 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7551 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7552 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7553 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7554 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7555 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
Dan Williams4be757d2006-01-30 11:58:00 -05007556 (iw_handler) NULL, /* -- hole -- */
7557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) NULL, /* SIOCSIWGENIE */
7559 (iw_handler) NULL, /* SIOCGIWGENIE */
7560 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7561 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7562 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7563 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7564 (iw_handler) NULL, /* SIOCSIWPMKSA */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007565};
7566
7567/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7568 * We want to force the use of the ioctl code, because those can't be
7569 * won't work the iw_handler code (because they simultaneously read
7570 * and write data and iw_handler can't do that).
7571 * Note that it's perfectly legal to read/write on a single ioctl command,
7572 * you just can't use iwpriv and need to force it via the ioctl handler.
7573 * Jean II */
7574static const iw_handler airo_private_handler[] =
7575{
7576 NULL, /* SIOCIWFIRSTPRIV */
7577};
7578
7579static const struct iw_handler_def airo_handler_def =
7580{
7581 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7582 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7583 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7584 .standard = airo_handler,
7585 .private = airo_private_handler,
7586 .private_args = airo_private_args,
7587 .get_wireless_stats = airo_get_wireless_stats,
7588};
7589
Linus Torvalds1da177e2005-04-16 15:20:36 -07007590/*
7591 * This defines the configuration part of the Wireless Extensions
7592 * Note : irq and spinlock protection will occur in the subroutines
7593 *
7594 * TODO :
7595 * o Check input value more carefully and fill correct values in range
7596 * o Test and shakeout the bugs (if any)
7597 *
7598 * Jean II
7599 *
7600 * Javier Achirica did a great job of merging code from the unnamed CISCO
7601 * developer that added support for flashing the card.
7602 */
7603static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7604{
7605 int rc = 0;
7606 struct airo_info *ai = (struct airo_info *)dev->priv;
7607
Pavel Machekca078ba2005-09-03 15:56:57 -07007608 if (ai->power.event)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007609 return 0;
7610
7611 switch (cmd) {
7612#ifdef CISCO_EXT
7613 case AIROIDIFC:
7614#ifdef AIROOLDIDIFC
7615 case AIROOLDIDIFC:
7616#endif
7617 {
7618 int val = AIROMAGIC;
7619 aironet_ioctl com;
7620 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7621 rc = -EFAULT;
7622 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7623 rc = -EFAULT;
7624 }
7625 break;
7626
7627 case AIROIOCTL:
7628#ifdef AIROOLDIOCTL
7629 case AIROOLDIOCTL:
7630#endif
7631 /* Get the command struct and hand it off for evaluation by
7632 * the proper subfunction
7633 */
7634 {
7635 aironet_ioctl com;
7636 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7637 rc = -EFAULT;
7638 break;
7639 }
7640
7641 /* Separate R/W functions bracket legality here
7642 */
7643 if ( com.command == AIRORSWVERSION ) {
7644 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7645 rc = -EFAULT;
7646 else
7647 rc = 0;
7648 }
7649 else if ( com.command <= AIRORRID)
7650 rc = readrids(dev,&com);
7651 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7652 rc = writerids(dev,&com);
7653 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7654 rc = flashcard(dev,&com);
7655 else
7656 rc = -EINVAL; /* Bad command in ioctl */
7657 }
7658 break;
7659#endif /* CISCO_EXT */
7660
7661 // All other calls are currently unsupported
7662 default:
7663 rc = -EOPNOTSUPP;
7664 }
7665 return rc;
7666}
7667
Linus Torvalds1da177e2005-04-16 15:20:36 -07007668/*
7669 * Get the Wireless stats out of the driver
7670 * Note : irq and spinlock protection will occur in the subroutines
7671 *
7672 * TODO :
7673 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7674 *
7675 * Jean
7676 */
7677static void airo_read_wireless_stats(struct airo_info *local)
7678{
7679 StatusRid status_rid;
7680 StatsRid stats_rid;
7681 CapabilityRid cap_rid;
7682 u32 *vals = stats_rid.vals;
7683
7684 /* Get stats out of the card */
Dan Williams3c304952006-04-15 12:26:18 -04007685 clear_bit(JOB_WSTATS, &local->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07007686 if (local->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007687 up(&local->sem);
7688 return;
7689 }
7690 readCapabilityRid(local, &cap_rid, 0);
7691 readStatusRid(local, &status_rid, 0);
7692 readStatsRid(local, &stats_rid, RID_STATS, 0);
7693 up(&local->sem);
7694
7695 /* The status */
7696 local->wstats.status = status_rid.mode;
7697
Dan Williams41480af2005-05-10 09:45:51 -04007698 /* Signal quality and co */
7699 if (local->rssi) {
7700 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7701 /* normalizedSignalStrength appears to be a percentage */
7702 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7703 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007704 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007705 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7706 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007707 if (status_rid.len >= 124) {
Dan Williams41480af2005-05-10 09:45:51 -04007708 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007709 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007710 } else {
7711 local->wstats.qual.noise = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007712 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007713 }
7714
7715 /* Packets discarded in the wireless adapter due to wireless
7716 * specific problems */
7717 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7718 local->wstats.discard.code = vals[6];/* RxWepErr */
7719 local->wstats.discard.fragment = vals[30];
7720 local->wstats.discard.retries = vals[10];
7721 local->wstats.discard.misc = vals[1] + vals[32];
7722 local->wstats.miss.beacon = vals[34];
7723}
7724
Jouni Malinenff1d2762005-05-12 22:54:16 -04007725static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007726{
7727 struct airo_info *local = dev->priv;
7728
Dan Williams3c304952006-04-15 12:26:18 -04007729 if (!test_bit(JOB_WSTATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007730 /* Get stats out of the card if available */
7731 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04007732 set_bit(JOB_WSTATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007733 wake_up_interruptible(&local->thr_wait);
7734 } else
7735 airo_read_wireless_stats(local);
7736 }
7737
7738 return &local->wstats;
7739}
Linus Torvalds1da177e2005-04-16 15:20:36 -07007740
7741#ifdef CISCO_EXT
7742/*
7743 * This just translates from driver IOCTL codes to the command codes to
7744 * feed to the radio's host interface. Things can be added/deleted
7745 * as needed. This represents the READ side of control I/O to
7746 * the card
7747 */
7748static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7749 unsigned short ridcode;
7750 unsigned char *iobuf;
7751 int len;
7752 struct airo_info *ai = dev->priv;
7753 Resp rsp;
7754
7755 if (test_bit(FLAG_FLASHING, &ai->flags))
7756 return -EIO;
7757
7758 switch(comp->command)
7759 {
7760 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7761 case AIROGCFG: ridcode = RID_CONFIG;
7762 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7763 disable_MAC (ai, 1);
7764 writeConfigRid (ai, 1);
7765 enable_MAC (ai, &rsp, 1);
7766 }
7767 break;
7768 case AIROGSLIST: ridcode = RID_SSID; break;
7769 case AIROGVLIST: ridcode = RID_APLIST; break;
7770 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7771 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7772 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7773 /* Only super-user can read WEP keys */
7774 if (!capable(CAP_NET_ADMIN))
7775 return -EPERM;
7776 break;
7777 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7778 /* Only super-user can read WEP keys */
7779 if (!capable(CAP_NET_ADMIN))
7780 return -EPERM;
7781 break;
7782 case AIROGSTAT: ridcode = RID_STATUS; break;
7783 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7784 case AIROGSTATSC32: ridcode = RID_STATS; break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007785 case AIROGMICSTATS:
7786 if (copy_to_user(comp->data, &ai->micstats,
7787 min((int)comp->len,(int)sizeof(ai->micstats))))
7788 return -EFAULT;
7789 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007790 case AIRORRID: ridcode = comp->ridnum; break;
7791 default:
7792 return -EINVAL;
7793 break;
7794 }
7795
7796 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7797 return -ENOMEM;
7798
7799 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7800 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7801 * then return it to the user
7802 * 9/22/2000 Honor user given length
7803 */
7804 len = comp->len;
7805
7806 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7807 kfree (iobuf);
7808 return -EFAULT;
7809 }
7810 kfree (iobuf);
7811 return 0;
7812}
7813
7814/*
7815 * Danger Will Robinson write the rids here
7816 */
7817
7818static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7819 struct airo_info *ai = dev->priv;
7820 int ridcode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007821 int enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007822 Resp rsp;
7823 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7824 unsigned char *iobuf;
7825
7826 /* Only super-user can write RIDs */
7827 if (!capable(CAP_NET_ADMIN))
7828 return -EPERM;
7829
7830 if (test_bit(FLAG_FLASHING, &ai->flags))
7831 return -EIO;
7832
7833 ridcode = 0;
7834 writer = do_writerid;
7835
7836 switch(comp->command)
7837 {
7838 case AIROPSIDS: ridcode = RID_SSID; break;
7839 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7840 case AIROPAPLIST: ridcode = RID_APLIST; break;
7841 case AIROPCFG: ai->config.len = 0;
7842 clear_bit(FLAG_COMMIT, &ai->flags);
7843 ridcode = RID_CONFIG; break;
7844 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7845 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7846 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7847 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7848 break;
7849 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7850 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7851
7852 /* this is not really a rid but a command given to the card
7853 * same with MAC off
7854 */
7855 case AIROPMACON:
7856 if (enable_MAC(ai, &rsp, 1) != 0)
7857 return -EIO;
7858 return 0;
7859
7860 /*
7861 * Evidently this code in the airo driver does not get a symbol
7862 * as disable_MAC. it's probably so short the compiler does not gen one.
7863 */
7864 case AIROPMACOFF:
7865 disable_MAC(ai, 1);
7866 return 0;
7867
7868 /* This command merely clears the counts does not actually store any data
7869 * only reads rid. But as it changes the cards state, I put it in the
7870 * writerid routines.
7871 */
7872 case AIROPSTCLR:
7873 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7874 return -ENOMEM;
7875
7876 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7877
Linus Torvalds1da177e2005-04-16 15:20:36 -07007878 enabled = ai->micstats.enabled;
7879 memset(&ai->micstats,0,sizeof(ai->micstats));
7880 ai->micstats.enabled = enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007881
7882 if (copy_to_user(comp->data, iobuf,
7883 min((int)comp->len, (int)RIDSIZE))) {
7884 kfree (iobuf);
7885 return -EFAULT;
7886 }
7887 kfree (iobuf);
7888 return 0;
7889
7890 default:
7891 return -EOPNOTSUPP; /* Blarg! */
7892 }
7893 if(comp->len > RIDSIZE)
7894 return -EINVAL;
7895
7896 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7897 return -ENOMEM;
7898
7899 if (copy_from_user(iobuf,comp->data,comp->len)) {
7900 kfree (iobuf);
7901 return -EFAULT;
7902 }
7903
7904 if (comp->command == AIROPCFG) {
7905 ConfigRid *cfg = (ConfigRid *)iobuf;
7906
7907 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7908 cfg->opmode |= MODE_MIC;
7909
7910 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7911 set_bit (FLAG_ADHOC, &ai->flags);
7912 else
7913 clear_bit (FLAG_ADHOC, &ai->flags);
7914 }
7915
7916 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7917 kfree (iobuf);
7918 return -EIO;
7919 }
7920 kfree (iobuf);
7921 return 0;
7922}
7923
7924/*****************************************************************************
7925 * Ancillary flash / mod functions much black magic lurkes here *
7926 *****************************************************************************
7927 */
7928
7929/*
7930 * Flash command switch table
7931 */
7932
Jouni Malinenff1d2762005-05-12 22:54:16 -04007933static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007934 int z;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007935
7936 /* Only super-user can modify flash */
7937 if (!capable(CAP_NET_ADMIN))
7938 return -EPERM;
7939
7940 switch(comp->command)
7941 {
7942 case AIROFLSHRST:
7943 return cmdreset((struct airo_info *)dev->priv);
7944
7945 case AIROFLSHSTFL:
7946 if (!((struct airo_info *)dev->priv)->flash &&
7947 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7948 return -ENOMEM;
7949 return setflashmode((struct airo_info *)dev->priv);
7950
7951 case AIROFLSHGCHR: /* Get char from aux */
7952 if(comp->len != sizeof(int))
7953 return -EINVAL;
7954 if (copy_from_user(&z,comp->data,comp->len))
7955 return -EFAULT;
7956 return flashgchar((struct airo_info *)dev->priv,z,8000);
7957
7958 case AIROFLSHPCHR: /* Send char to card. */
7959 if(comp->len != sizeof(int))
7960 return -EINVAL;
7961 if (copy_from_user(&z,comp->data,comp->len))
7962 return -EFAULT;
7963 return flashpchar((struct airo_info *)dev->priv,z,8000);
7964
7965 case AIROFLPUTBUF: /* Send 32k to card */
7966 if (!((struct airo_info *)dev->priv)->flash)
7967 return -ENOMEM;
7968 if(comp->len > FLASHSIZE)
7969 return -EINVAL;
7970 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7971 return -EFAULT;
7972
7973 flashputbuf((struct airo_info *)dev->priv);
7974 return 0;
7975
7976 case AIRORESTART:
7977 if(flashrestart((struct airo_info *)dev->priv,dev))
7978 return -EIO;
7979 return 0;
7980 }
7981 return -EINVAL;
7982}
7983
7984#define FLASH_COMMAND 0x7e7e
7985
7986/*
7987 * STEP 1)
7988 * Disable MAC and do soft reset on
7989 * card.
7990 */
7991
Jouni Malinenff1d2762005-05-12 22:54:16 -04007992static int cmdreset(struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007993 disable_MAC(ai, 1);
7994
7995 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05007996 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007997 return -EBUSY;
7998 }
7999
8000 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8001
8002 ssleep(1); /* WAS 600 12/7/00 */
8003
8004 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05008005 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008006 return -EBUSY;
8007 }
8008 return 0;
8009}
8010
8011/* STEP 2)
8012 * Put the card in legendary flash
8013 * mode
8014 */
8015
Jouni Malinenff1d2762005-05-12 22:54:16 -04008016static int setflashmode (struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008017 set_bit (FLAG_FLASHING, &ai->flags);
8018
8019 OUT4500(ai, SWS0, FLASH_COMMAND);
8020 OUT4500(ai, SWS1, FLASH_COMMAND);
8021 if (probe) {
8022 OUT4500(ai, SWS0, FLASH_COMMAND);
8023 OUT4500(ai, COMMAND,0x10);
8024 } else {
8025 OUT4500(ai, SWS2, FLASH_COMMAND);
8026 OUT4500(ai, SWS3, FLASH_COMMAND);
8027 OUT4500(ai, COMMAND,0);
8028 }
8029 msleep(500); /* 500ms delay */
8030
8031 if(!waitbusy(ai)) {
8032 clear_bit (FLAG_FLASHING, &ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05008033 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008034 return -EIO;
8035 }
8036 return 0;
8037}
8038
8039/* Put character to SWS0 wait for dwelltime
8040 * x 50us for echo .
8041 */
8042
Jouni Malinenff1d2762005-05-12 22:54:16 -04008043static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008044 int echo;
8045 int waittime;
8046
8047 byte |= 0x8000;
8048
8049 if(dwelltime == 0 )
8050 dwelltime = 200;
8051
8052 waittime=dwelltime;
8053
8054 /* Wait for busy bit d15 to go false indicating buffer empty */
8055 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8056 udelay (50);
8057 waittime -= 50;
8058 }
8059
8060 /* timeout for busy clear wait */
8061 if(waittime <= 0 ){
Dan Williams934d8bf2006-03-16 13:46:23 -05008062 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008063 return -EBUSY;
8064 }
8065
8066 /* Port is clear now write byte and wait for it to echo back */
8067 do {
8068 OUT4500(ai,SWS0,byte);
8069 udelay(50);
8070 dwelltime -= 50;
8071 echo = IN4500(ai,SWS1);
8072 } while (dwelltime >= 0 && echo != byte);
8073
8074 OUT4500(ai,SWS1,0);
8075
8076 return (echo == byte) ? 0 : -EIO;
8077}
8078
8079/*
8080 * Get a character from the card matching matchbyte
8081 * Step 3)
8082 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008083static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008084 int rchar;
8085 unsigned char rbyte=0;
8086
8087 do {
8088 rchar = IN4500(ai,SWS1);
8089
8090 if(dwelltime && !(0x8000 & rchar)){
8091 dwelltime -= 10;
8092 mdelay(10);
8093 continue;
8094 }
8095 rbyte = 0xff & rchar;
8096
8097 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8098 OUT4500(ai,SWS1,0);
8099 return 0;
8100 }
8101 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8102 break;
8103 OUT4500(ai,SWS1,0);
8104
8105 }while(dwelltime > 0);
8106 return -EIO;
8107}
8108
8109/*
8110 * Transfer 32k of firmware data from user buffer to our buffer and
8111 * send to the card
8112 */
8113
Jouni Malinenff1d2762005-05-12 22:54:16 -04008114static int flashputbuf(struct airo_info *ai){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008115 int nwords;
8116
8117 /* Write stuff */
8118 if (test_bit(FLAG_MPI,&ai->flags))
8119 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8120 else {
8121 OUT4500(ai,AUXPAGE,0x100);
8122 OUT4500(ai,AUXOFF,0);
8123
8124 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8125 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8126 }
8127 }
8128 OUT4500(ai,SWS0,0x8000);
8129
8130 return 0;
8131}
8132
8133/*
8134 *
8135 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008136static int flashrestart(struct airo_info *ai,struct net_device *dev){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008137 int i,status;
8138
8139 ssleep(1); /* Added 12/7/00 */
8140 clear_bit (FLAG_FLASHING, &ai->flags);
8141 if (test_bit(FLAG_MPI, &ai->flags)) {
8142 status = mpi_init_descriptors(ai);
8143 if (status != SUCCESS)
8144 return status;
8145 }
8146 status = setup_card(ai, dev->dev_addr, 1);
8147
8148 if (!test_bit(FLAG_MPI,&ai->flags))
8149 for( i = 0; i < MAX_FIDS; i++ ) {
8150 ai->fids[i] = transmit_allocate
Dan Williams15db2762006-03-16 13:46:27 -05008151 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07008152 }
8153
8154 ssleep(1); /* Added 12/7/00 */
8155 return status;
8156}
8157#endif /* CISCO_EXT */
8158
8159/*
8160 This program is free software; you can redistribute it and/or
8161 modify it under the terms of the GNU General Public License
8162 as published by the Free Software Foundation; either version 2
8163 of the License, or (at your option) any later version.
8164
8165 This program is distributed in the hope that it will be useful,
8166 but WITHOUT ANY WARRANTY; without even the implied warranty of
8167 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8168 GNU General Public License for more details.
8169
8170 In addition:
8171
8172 Redistribution and use in source and binary forms, with or without
8173 modification, are permitted provided that the following conditions
8174 are met:
8175
8176 1. Redistributions of source code must retain the above copyright
8177 notice, this list of conditions and the following disclaimer.
8178 2. Redistributions in binary form must reproduce the above copyright
8179 notice, this list of conditions and the following disclaimer in the
8180 documentation and/or other materials provided with the distribution.
8181 3. The name of the author may not be used to endorse or promote
8182 products derived from this software without specific prior written
8183 permission.
8184
8185 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8186 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8187 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8188 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8189 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8190 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8191 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8192 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8193 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8194 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8195 POSSIBILITY OF SUCH DAMAGE.
8196*/
8197
8198module_init(airo_init_module);
8199module_exit(airo_cleanup_module);