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mac80211: reorder some transmit handlers
[deliverable/linux.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
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
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
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>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3c304956 50#include <net/ieee80211.h>
3b4c7d64 51#include <linux/kthread.h>
7dfb7103 52#include <linux/freezer.h>
1da177e4 53
d3808760
AB		 54#include "airo.h"
55
1138c37b
MS		 56#define DRV_NAME "airo"
57
1da177e4
LT		 58#ifdef CONFIG_PCI
59static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0, }
68};
69MODULE_DEVICE_TABLE(pci, card_ids);
70
71static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72static void airo_pci_remove(struct pci_dev *);
05adc3b7 73static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 74static int airo_pci_resume(struct pci_dev *pdev);
75
76static struct pci_driver airo_driver = {
1138c37b 77 .name = DRV_NAME,
1da177e4
LT		 78 .id_table = card_ids,
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
83};
84#endif /* CONFIG_PCI */
85
86/* Include Wireless Extension definition and check version - Jean II */
87#include <linux/wireless.h>
88#define WIRELESS_SPY // enable iwspy support
89#include <net/iw_handler.h> // New driver API
90
91#define CISCO_EXT // enable Cisco extensions
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
1da177e4
LT		 96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
106static char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
218static int basic_rate;
219static char *ssids[3];
220
221static int io[4];
222static int irq[4];
223
224static
225int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231static int adhoc;
232
233static int probe = 1;
234
235static int proc_uid /* = 0 */;
236
237static int proc_gid /* = 0 */;
238
239static int airo_perm = 0555;
240
241static int proc_perm = 0644;
242
243MODULE_AUTHOR("Benjamin Reed");
244MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 245cards. Direct support for ISA/PCI/MPI cards and support \
246for PCMCIA when used with airo_cs.");
1da177e4
LT		 247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param(basic_rate, int, 0);
252module_param_array(rates, int, NULL, 0);
253module_param_array(ssids, charp, NULL, 0);
254module_param(auto_wep, int, 0);
255MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256the authentication options until an association is made. The value of \
257auto_wep is number of the wep keys to check. A value of 2 will try using \
258the key at index 0 and index 1.");
259module_param(aux_bap, int, 0);
260MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261than seems to work better for older cards with some older buses. Before \
262switching it checks that the switch is needed.");
263module_param(maxencrypt, int, 0);
264MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266Older cards used to be limited to 2mbs (4).");
267module_param(adhoc, int, 0);
268MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269module_param(probe, int, 0);
270MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272module_param(proc_uid, int, 0);
273MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274module_param(proc_gid, int, 0);
275MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276module_param(airo_perm, int, 0);
277MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278module_param(proc_perm, int, 0);
279MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281/* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284static int do8bitIO = 0;
285
286/* Return codes */
287#define SUCCESS 0
288#define ERROR -1
289#define NO_PACKET -2
290
291/* Commands */
292#define NOP2 0x0000
293#define MAC_ENABLE 0x0001
294#define MAC_DISABLE 0x0002
295#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296#define CMD_SOFTRESET 0x0004
297#define HOSTSLEEP 0x0005
298#define CMD_MAGIC_PKT 0x0006
299#define CMD_SETWAKEMASK 0x0007
300#define CMD_READCFG 0x0008
301#define CMD_SETMODE 0x0009
302#define CMD_ALLOCATETX 0x000a
303#define CMD_TRANSMIT 0x000b
304#define CMD_DEALLOCATETX 0x000c
305#define NOP 0x0010
306#define CMD_WORKAROUND 0x0011
307#define CMD_ALLOCATEAUX 0x0020
308#define CMD_ACCESS 0x0021
309#define CMD_PCIBAP 0x0022
310#define CMD_PCIAUX 0x0023
311#define CMD_ALLOCBUF 0x0028
312#define CMD_GETTLV 0x0029
313#define CMD_PUTTLV 0x002a
314#define CMD_DELTLV 0x002b
315#define CMD_FINDNEXTTLV 0x002c
316#define CMD_PSPNODES 0x0030
317#define CMD_SETCW 0x0031
318#define CMD_SETPCF 0x0032
319#define CMD_SETPHYREG 0x003e
320#define CMD_TXTEST 0x003f
321#define MAC_ENABLETX 0x0101
322#define CMD_LISTBSS 0x0103
323#define CMD_SAVECFG 0x0108
324#define CMD_ENABLEAUX 0x0111
325#define CMD_WRITERID 0x0121
326#define CMD_USEPSPNODES 0x0130
327#define MAC_ENABLERX 0x0201
328
329/* Command errors */
330#define ERROR_QUALIF 0x00
331#define ERROR_ILLCMD 0x01
332#define ERROR_ILLFMT 0x02
333#define ERROR_INVFID 0x03
334#define ERROR_INVRID 0x04
335#define ERROR_LARGE 0x05
336#define ERROR_NDISABL 0x06
337#define ERROR_ALLOCBSY 0x07
338#define ERROR_NORD 0x0B
339#define ERROR_NOWR 0x0C
340#define ERROR_INVFIDTX 0x0D
341#define ERROR_TESTACT 0x0E
342#define ERROR_TAGNFND 0x12
343#define ERROR_DECODE 0x20
344#define ERROR_DESCUNAV 0x21
345#define ERROR_BADLEN 0x22
346#define ERROR_MODE 0x80
347#define ERROR_HOP 0x81
348#define ERROR_BINTER 0x82
349#define ERROR_RXMODE 0x83
350#define ERROR_MACADDR 0x84
351#define ERROR_RATES 0x85
352#define ERROR_ORDER 0x86
353#define ERROR_SCAN 0x87
354#define ERROR_AUTH 0x88
355#define ERROR_PSMODE 0x89
356#define ERROR_RTYPE 0x8A
357#define ERROR_DIVER 0x8B
358#define ERROR_SSID 0x8C
359#define ERROR_APLIST 0x8D
360#define ERROR_AUTOWAKE 0x8E
361#define ERROR_LEAP 0x8F
362
363/* Registers */
364#define COMMAND 0x00
365#define PARAM0 0x02
366#define PARAM1 0x04
367#define PARAM2 0x06
368#define STATUS 0x08
369#define RESP0 0x0a
370#define RESP1 0x0c
371#define RESP2 0x0e
372#define LINKSTAT 0x10
373#define SELECT0 0x18
374#define OFFSET0 0x1c
375#define RXFID 0x20
376#define TXALLOCFID 0x22
377#define TXCOMPLFID 0x24
378#define DATA0 0x36
379#define EVSTAT 0x30
380#define EVINTEN 0x32
381#define EVACK 0x34
382#define SWS0 0x28
383#define SWS1 0x2a
384#define SWS2 0x2c
385#define SWS3 0x2e
386#define AUXPAGE 0x3A
387#define AUXOFF 0x3C
388#define AUXDATA 0x3E
389
390#define FID_TX 1
391#define FID_RX 2
392/* Offset into aux memory for descriptors */
393#define AUX_OFFSET 0x800
394/* Size of allocated packets */
395#define PKTSIZE 1840
396#define RIDSIZE 2048
397/* Size of the transmit queue */
398#define MAXTXQ 64
399
400/* BAP selectors */
401#define BAP0 0 // Used for receiving packets
402#define BAP1 2 // Used for xmiting packets and working with RIDS
403
404/* Flags */
405#define COMMAND_BUSY 0x8000
406
407#define BAP_BUSY 0x8000
408#define BAP_ERR 0x4000
409#define BAP_DONE 0x2000
410
411#define PROMISC 0xffff
412#define NOPROMISC 0x0000
413
414#define EV_CMD 0x10
415#define EV_CLEARCOMMANDBUSY 0x4000
416#define EV_RX 0x01
417#define EV_TX 0x02
418#define EV_TXEXC 0x04
419#define EV_ALLOC 0x08
420#define EV_LINK 0x80
421#define EV_AWAKE 0x100
422#define EV_TXCPY 0x400
423#define EV_UNKNOWN 0x800
424#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425#define EV_AWAKEN 0x2000
426#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428#ifdef CHECK_UNKNOWN_INTS
429#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430#else
431#define IGNORE_INTS (~STATUS_INTS)
432#endif
433
434/* RID TYPES */
435#define RID_RW 0x20
436
437/* The RIDs */
438#define RID_CAPABILITIES 0xFF00
439#define RID_APINFO 0xFF01
440#define RID_RADIOINFO 0xFF02
441#define RID_UNKNOWN3 0xFF03
442#define RID_RSSI 0xFF04
443#define RID_CONFIG 0xFF10
444#define RID_SSID 0xFF11
445#define RID_APLIST 0xFF12
446#define RID_DRVNAME 0xFF13
447#define RID_ETHERENCAP 0xFF14
448#define RID_WEP_TEMP 0xFF15
449#define RID_WEP_PERM 0xFF16
450#define RID_MODULATION 0xFF17
451#define RID_OPTIONS 0xFF18
452#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453#define RID_FACTORYCONFIG 0xFF21
454#define RID_UNKNOWN22 0xFF22
455#define RID_LEAPUSERNAME 0xFF23
456#define RID_LEAPPASSWORD 0xFF24
457#define RID_STATUS 0xFF50
458#define RID_BEACON_HST 0xFF51
459#define RID_BUSY_HST 0xFF52
460#define RID_RETRIES_HST 0xFF53
461#define RID_UNKNOWN54 0xFF54
462#define RID_UNKNOWN55 0xFF55
463#define RID_UNKNOWN56 0xFF56
464#define RID_MIC 0xFF57
465#define RID_STATS16 0xFF60
466#define RID_STATS16DELTA 0xFF61
467#define RID_STATS16DELTACLEAR 0xFF62
468#define RID_STATS 0xFF68
469#define RID_STATSDELTA 0xFF69
470#define RID_STATSDELTACLEAR 0xFF6A
471#define RID_ECHOTEST_RID 0xFF70
472#define RID_ECHOTEST_RESULTS 0xFF71
473#define RID_BSSLISTFIRST 0xFF72
474#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 475#define RID_WPA_BSSLISTFIRST 0xFF74
476#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 477
478typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483} Cmd;
484
485typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490} Resp;
491
492/*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498/* This is redundant for x86 archs, but it seems necessary for ARM */
499#pragma pack(1)
500
501/* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
503typedef struct {
4293ea33
AV		 504 __le16 len;
505 __le16 kindex;
1da177e4 506 u8 mac[ETH_ALEN];
4293ea33 507 __le16 klen;
1da177e4
LT		 508 u8 key[16];
509} WepKeyRid;
510
511/* These structures are from the Aironet's PC4500 Developers Manual */
512typedef struct {
0dd2212f 513 __le16 len;
1da177e4
LT		 514 u8 ssid[32];
515} Ssid;
516
517typedef struct {
0dd2212f 518 __le16 len;
1da177e4
LT		 519 Ssid ssids[3];
520} SsidRid;
521
522typedef struct {
3eb9b41f
AV		 523 __le16 len;
524 __le16 modulation;
525#define MOD_DEFAULT cpu_to_le16(0)
526#define MOD_CCK cpu_to_le16(1)
527#define MOD_MOK cpu_to_le16(2)
1da177e4
LT		 528} ModulationRid;
529
530typedef struct {
3eb9b41f
AV		 531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533#define MODE_STA_IBSS cpu_to_le16(0)
534#define MODE_STA_ESS cpu_to_le16(1)
535#define MODE_AP cpu_to_le16(2)
536#define MODE_AP_RPTR cpu_to_le16(3)
537#define MODE_CFG_MASK cpu_to_le16(0xff)
538#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554#define RXMODE_MASK cpu_to_le16(255)
555#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
558 __le16 fragThresh;
559 __le16 rtsThres;
1da177e4
LT		 560 u8 macAddr[ETH_ALEN];
561 u8 rates[8];
3eb9b41f
AV		 562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
566 __le16 stationary;
567 __le16 ordering;
568 __le16 u16deviceType; /* for overriding device type */
569 __le16 cfpRate;
570 __le16 cfpDuration;
571 __le16 _reserved1[3];
1da177e4 572 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 573 __le16 scanMode;
574#define SCANMODE_ACTIVE cpu_to_le16(0)
575#define SCANMODE_PASSIVE cpu_to_le16(1)
576#define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
582 __le16 authTimeout;
583 __le16 authType;
584#define AUTH_OPEN cpu_to_le16(0x1)
585#define AUTH_ENCRYPT cpu_to_le16(0x101)
586#define AUTH_SHAREDKEY cpu_to_le16(0x102)
587#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
1da177e4 597 /*---------- Power save operation ----------*/
3eb9b41f
AV		 598 __le16 powerSaveMode;
599#define POWERSAVE_CAM cpu_to_le16(0)
600#define POWERSAVE_PSP cpu_to_le16(1)
601#define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
605 __le16 listenDecay;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
1da177e4 608 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 609 __le16 beaconPeriod;
610 __le16 atimDuration;
611 __le16 hopPeriod;
612 __le16 channelSet;
613 __le16 channel;
614 __le16 dtimPeriod;
615 __le16 bridgeDistance;
616 __le16 radioID;
1da177e4 617 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 618 __le16 radioType;
619#define RADIOTYPE_DEFAULT cpu_to_le16(0)
620#define RADIOTYPE_802_11 cpu_to_le16(1)
621#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 622 u8 rxDiversity;
623 u8 txDiversity;
3eb9b41f 624 __le16 txPower;
1da177e4 625#define TXPOWER_DEFAULT 0
3eb9b41f 626 __le16 rssiThreshold;
1da177e4 627#define RSSI_DEFAULT 0
3eb9b41f
AV		 628 __le16 modulation;
629#define PREAMBLE_AUTO cpu_to_le16(0)
630#define PREAMBLE_LONG cpu_to_le16(1)
631#define PREAMBLE_SHORT cpu_to_le16(2)
632 __le16 preamble;
633 __le16 homeProduct;
634 __le16 radioSpecific;
1da177e4
LT		 635 /*---------- Aironet Extensions ----------*/
636 u8 nodeName[16];
3eb9b41f
AV		 637 __le16 arlThreshold;
638 __le16 arlDecay;
639 __le16 arlDelay;
640 __le16 _reserved4[1];
1da177e4
LT		 641 /*---------- Aironet Extensions ----------*/
642 u8 magicAction;
643#define MAGIC_ACTION_STSCHG 1
644#define MAGIC_ACTION_RESUME 2
645#define MAGIC_IGNORE_MCAST (1<<8)
646#define MAGIC_IGNORE_BCAST (1<<9)
647#define MAGIC_SWITCH_TO_PSP (0<<10)
648#define MAGIC_STAY_IN_CAM (1<<10)
649 u8 magicControl;
3eb9b41f 650 __le16 autoWake;
1da177e4
LT		 651} ConfigRid;
652
653typedef struct {
329e2c00 654 __le16 len;
1da177e4 655 u8 mac[ETH_ALEN];
329e2c00
AV		 656 __le16 mode;
657 __le16 errorCode;
658 __le16 sigQuality;
659 __le16 SSIDlen;
1da177e4
LT		 660 char SSID[32];
661 char apName[16];
662 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 663 __le16 beaconPeriod;
664 __le16 dimPeriod;
665 __le16 atimDuration;
666 __le16 hopPeriod;
667 __le16 channelSet;
668 __le16 channel;
669 __le16 hopsToBackbone;
670 __le16 apTotalLoad;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
1da177e4
LT		 678 u8 apIP[4];
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 685 __le16 load;
1da177e4 686 u8 carrier[4];
329e2c00 687 __le16 assocStatus;
1da177e4
LT		 688#define STAT_NOPACKETS 0
689#define STAT_NOCARRIERSET 10
690#define STAT_GOTCARRIERSET 11
691#define STAT_WRONGSSID 20
692#define STAT_BADCHANNEL 25
693#define STAT_BADBITRATES 30
694#define STAT_BADPRIVACY 35
695#define STAT_APFOUND 40
696#define STAT_APREJECTED 50
697#define STAT_AUTHENTICATING 60
698#define STAT_DEAUTHENTICATED 61
699#define STAT_AUTHTIMEOUT 62
700#define STAT_ASSOCIATING 70
701#define STAT_DEASSOCIATED 71
702#define STAT_ASSOCTIMEOUT 72
703#define STAT_NOTAIROAP 73
704#define STAT_ASSOCIATED 80
705#define STAT_LEAPING 90
706#define STAT_LEAPFAILED 91
707#define STAT_LEAPTIMEDOUT 92
708#define STAT_LEAPCOMPLETE 93
709} StatusRid;
710
711typedef struct {
a23ace5f
AV		 712 __le16 len;
713 __le16 spacer;
714 __le32 vals[100];
1da177e4
LT		 715} StatsRid;
716
717
718typedef struct {
a749716e 719 __le16 len;
1da177e4
LT		 720 u8 ap[4][ETH_ALEN];
721} APListRid;
722
723typedef struct {
56d81bd3 724 __le16 len;
1da177e4
LT		 725 char oui[3];
726 char zero;
56d81bd3 727 __le16 prodNum;
1da177e4
LT		 728 char manName[32];
729 char prodName[16];
730 char prodVer[8];
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 733 __le16 radioType;
734 __le16 country;
1da177e4
LT		 735 char callid[ETH_ALEN];
736 char supportedRates[8];
737 char rxDiversity;
738 char txDiversity;
56d81bd3
AV		 739 __le16 txPowerLevels[8];
740 __le16 hardVer;
741 __le16 hardCap;
742 __le16 tempRange;
743 __le16 softVer;
744 __le16 softSubVer;
745 __le16 interfaceVer;
746 __le16 softCap;
747 __le16 bootBlockVer;
748 __le16 requiredHard;
749 __le16 extSoftCap;
1da177e4
LT		 750} CapabilityRid;
751
3c304956
DW		 752
753/* Only present on firmware >= 5.30.17 */
754typedef struct {
17e70491 755 __le16 unknown[4];
3c304956
DW		 756 u8 fixed[12]; /* WLAN management frame */
757 u8 iep[624];
758} BSSListRidExtra;
759
1da177e4 760typedef struct {
17e70491
AV		 761 __le16 len;
762 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 763#define RADIO_FH 1 /* Frequency hopping radio type */
764#define RADIO_DS 2 /* Direct sequence radio type */
765#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 766 __le16 radioType;
1da177e4
LT		 767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 u8 zero;
769 u8 ssidLen;
770 u8 ssid[32];
17e70491
AV		 771 __le16 dBm;
772#define CAP_ESS cpu_to_le16(1<<0)
773#define CAP_IBSS cpu_to_le16(1<<1)
774#define CAP_PRIVACY cpu_to_le16(1<<4)
775#define CAP_SHORTHDR cpu_to_le16(1<<5)
776 __le16 cap;
777 __le16 beaconInterval;
1da177e4
LT		 778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
17e70491 780 __le16 dwell;
1da177e4
LT		 781 u8 hopSet;
782 u8 hopPattern;
783 u8 hopIndex;
784 u8 fill;
785 } fh;
17e70491
AV		 786 __le16 dsChannel;
787 __le16 atimWindow;
3c304956
DW		 788
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
1da177e4
LT		 791} BSSListRid;
792
9e75af30
DW		 793typedef struct {
794 BSSListRid bss;
795 struct list_head list;
796} BSSListElement;
797
1da177e4
LT		 798typedef struct {
799 u8 rssipct;
800 u8 rssidBm;
801} tdsRssiEntry;
802
803typedef struct {
804 u16 len;
805 tdsRssiEntry x[256];
806} tdsRssiRid;
807
808typedef struct {
809 u16 len;
810 u16 state;
811 u16 multicastValid;
812 u8 multicast[16];
813 u16 unicastValid;
814 u8 unicast[16];
815} MICRid;
816
817typedef struct {
593c2b9c 818 __be16 typelen;
1da177e4
LT		 819
820 union {
821 u8 snap[8];
822 struct {
823 u8 dsap;
824 u8 ssap;
825 u8 control;
826 u8 orgcode[3];
827 u8 fieldtype[2];
828 } llc;
829 } u;
593c2b9c
AV		 830 __be32 mic;
831 __be32 seq;
1da177e4
LT		 832} MICBuffer;
833
834typedef struct {
835 u8 da[ETH_ALEN];
836 u8 sa[ETH_ALEN];
837} etherHead;
838
839#pragma pack()
840
841#define TXCTL_TXOK (1<<1) /* report if tx is ok */
842#define TXCTL_TXEX (1<<2) /* report if tx fails */
843#define TXCTL_802_3 (0<<3) /* 802.3 packet */
844#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846#define TXCTL_LLC (1<<4) /* payload is llc */
847#define TXCTL_RELEASE (0<<5) /* release after completion */
848#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
849
850#define BUSY_FID 0x10000
851
852#ifdef CISCO_EXT
853#define AIROMAGIC 0xa55a
854/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855#ifdef SIOCIWFIRSTPRIV
856#ifdef SIOCDEVPRIVATE
857#define AIROOLDIOCTL SIOCDEVPRIVATE
858#define AIROOLDIDIFC AIROOLDIOCTL + 1
859#endif /* SIOCDEVPRIVATE */
860#else /* SIOCIWFIRSTPRIV */
861#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862#endif /* SIOCIWFIRSTPRIV */
863/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867#define AIROIOCTL SIOCIWFIRSTPRIV
868#define AIROIDIFC AIROIOCTL + 1
869
870/* Ioctl constants to be used in airo_ioctl.command */
871
872#define AIROGCAP 0 // Capability rid
873#define AIROGCFG 1 // USED A LOT
874#define AIROGSLIST 2 // System ID list
875#define AIROGVLIST 3 // List of specified AP's
876#define AIROGDRVNAM 4 // NOTUSED
877#define AIROGEHTENC 5 // NOTUSED
878#define AIROGWEPKTMP 6
879#define AIROGWEPKNV 7
880#define AIROGSTAT 8
881#define AIROGSTATSC32 9
882#define AIROGSTATSD32 10
883#define AIROGMICRID 11
884#define AIROGMICSTATS 12
885#define AIROGFLAGS 13
886#define AIROGID 14
887#define AIRORRID 15
888#define AIRORSWVERSION 17
889
890/* Leave gap of 40 commands after AIROGSTATSD32 for future */
891
892#define AIROPCAP AIROGSTATSD32 + 40
893#define AIROPVLIST AIROPCAP + 1
894#define AIROPSLIST AIROPVLIST + 1
895#define AIROPCFG AIROPSLIST + 1
896#define AIROPSIDS AIROPCFG + 1
897#define AIROPAPLIST AIROPSIDS + 1
898#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900#define AIROPSTCLR AIROPMACOFF + 1
901#define AIROPWEPKEY AIROPSTCLR + 1
902#define AIROPWEPKEYNV AIROPWEPKEY + 1
903#define AIROPLEAPPWD AIROPWEPKEYNV + 1
904#define AIROPLEAPUSR AIROPLEAPPWD + 1
905
906/* Flash codes */
907
908#define AIROFLSHRST AIROPWEPKEYNV + 40
909#define AIROFLSHGCHR AIROFLSHRST + 1
910#define AIROFLSHSTFL AIROFLSHGCHR + 1
911#define AIROFLSHPCHR AIROFLSHSTFL + 1
912#define AIROFLPUTBUF AIROFLSHPCHR + 1
913#define AIRORESTART AIROFLPUTBUF + 1
914
915#define FLASHSIZE 32768
916#define AUXMEMSIZE (256 * 1024)
917
918typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
923} aironet_ioctl;
924
62595eb9 925static char swversion[] = "2.1";
1da177e4
LT		 926#endif /* CISCO_EXT */
927
928#define NUM_MODULES 2
929#define MIC_MSGLEN_MAX 2400
930#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 931#define AIRO_DEF_MTU 2312
1da177e4
LT		 932
933typedef struct {
934 u32 size; // size
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 reserve[32];
942} mic_statistics;
943
944typedef struct {
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
948 union {
949 u8 d8[4];
593c2b9c 950 __be32 d32;
1da177e4
LT		 951 } part; // saves partial message word across update() calls
952} emmh32_context;
953
954typedef struct {
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
960 u8 key[16];
961} miccntx;
962
963typedef struct {
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
966} mic_module;
967
968typedef struct {
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
973} Rid;
974
975typedef struct {
976 unsigned int offset: 15;
977 unsigned int eoc: 1;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981} TxFid;
982
983typedef struct {
984 unsigned int ctl: 15;
985 unsigned int rdy: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989} RxFid;
990
991/*
992 * Host receive descriptor
993 */
994typedef struct {
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
996 desc */
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
999 buffer */
1000 int pending;
1001} HostRxDesc;
1002
1003/*
1004 * Host transmit descriptor
1005 */
1006typedef struct {
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1008 desc */
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1011 buffer */
1012 int pending;
1013} HostTxDesc;
1014
1015/*
1016 * Host RID descriptor
1017 */
1018typedef struct {
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1020 descriptor */
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1023 buffer */
1024} HostRidDesc;
1025
1026typedef struct {
1027 u16 sw0;
1028 u16 sw1;
1029 u16 status;
1030 u16 len;
1031#define HOST_SET (1 << 0)
1032#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038#define HOST_RTS (1 << 9) /* Force RTS use */
1039#define HOST_SHORT (1 << 10) /* Do short preamble */
1040 u16 ctl;
1041 u16 aid;
1042 u16 retries;
1043 u16 fill;
1044} TxCtlHdr;
1045
1046typedef struct {
1047 u16 ctl;
1048 u16 duration;
1049 char addr1[6];
1050 char addr2[6];
1051 char addr3[6];
1052 u16 seq;
1053 char addr4[6];
1054} WifiHdr;
1055
1056
1057typedef struct {
1058 TxCtlHdr ctlhdr;
1059 u16 fill1;
1060 u16 fill2;
1061 WifiHdr wifihdr;
1062 u16 gaplen;
1063 u16 status;
1064} WifiCtlHdr;
1065
ff1d2767 1066static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1067 .ctlhdr = {
1068 .ctl = HOST_DONT_RLSE,
1069 }
1070};
1071
1da177e4
LT		 1072// Frequency list (map channels to frequencies)
1073static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1075
1076// A few details needed for WEP (Wireless Equivalent Privacy)
1077#define MAX_KEY_SIZE 13 // 128 (?) bits
1078#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079typedef struct wep_key_t {
1080 u16 len;
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1082} wep_key_t;
1083
1084/* Backward compatibility */
1085#ifndef IW_ENCODE_NOKEY
1086#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088#endif /* IW_ENCODE_NOKEY */
1089
1090/* List of Wireless Handlers (new API) */
1091static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1092
1093static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094
1095struct airo_info;
1096
1097static int get_dec_u16( char *buffer, int *start, int limit );
1098static void OUT4500( struct airo_info *, u16 register, u16 value );
1099static unsigned short IN4500( struct airo_info *, u16 register );
1100static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1101static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1102static void disable_MAC(struct airo_info *ai, int lock);
1103static void enable_interrupts(struct airo_info*);
1104static void disable_interrupts(struct airo_info*);
1105static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1107static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1108 int whichbap);
b8c06bc1 1109static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1110 int whichbap);
b8c06bc1 1111static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1112 int whichbap);
1113static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1122
1123static int mpi_send_packet (struct net_device *dev);
1124static void mpi_unmap_card(struct pci_dev *pci);
1125static void mpi_receive_802_3(struct airo_info *ai);
1126static void mpi_receive_802_11(struct airo_info *ai);
1127static int waitbusy (struct airo_info *ai);
1128
7d12e780 1129static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1130static int airo_thread(void *data);
1131static void timer_func( struct net_device *dev );
1132static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1133static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1134static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1135#ifdef CISCO_EXT
1136static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1138static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1139#endif /* CISCO_EXT */
1da177e4
LT		 1140static void micinit(struct airo_info *ai);
1141static int micsetup(struct airo_info *ai);
1142static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1144
41480af2
DW		 1145static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1147
9e75af30
DW		 1148static void airo_networks_free(struct airo_info *ai);
1149
1da177e4 1150struct airo_info {
1da177e4 1151 struct net_device *dev;
af5b5c9a 1152 struct list_head dev_list;
1da177e4
LT		 1153 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1154 use the high bit to mark whether it is in use. */
1155#define MAX_FIDS 6
1156#define MPI_MAX_FIDS 1
1157 int fids[MAX_FIDS];
1158 ConfigRid config;
1159 char keyindex; // Used with auto wep
1160 char defindex; // Used with auto wep
1161 struct proc_dir_entry *proc_entry;
1162 spinlock_t aux_lock;
1da177e4
LT		 1163#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1164#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1165#define FLAG_RADIO_MASK 0x03
1166#define FLAG_ENABLED 2
1167#define FLAG_ADHOC 3 /* Needed by MIC */
1168#define FLAG_MIC_CAPABLE 4
1169#define FLAG_UPDATE_MULTI 5
1170#define FLAG_UPDATE_UNI 6
1171#define FLAG_802_11 7
3c304956 1172#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1173#define FLAG_PENDING_XMIT 9
1174#define FLAG_PENDING_XMIT11 10
1175#define FLAG_MPI 11
1176#define FLAG_REGISTERED 12
1177#define FLAG_COMMIT 13
1178#define FLAG_RESET 14
1179#define FLAG_FLASHING 15
3c304956
DW		 1180#define FLAG_WPA_CAPABLE 16
1181 unsigned long flags;
1182#define JOB_DIE 0
1183#define JOB_XMIT 1
1184#define JOB_XMIT11 2
1185#define JOB_STATS 3
1186#define JOB_PROMISC 4
1187#define JOB_MIC 5
1188#define JOB_EVENT 6
1189#define JOB_AUTOWEP 7
1190#define JOB_WSTATS 8
1191#define JOB_SCAN_RESULTS 9
1192 unsigned long jobs;
b8c06bc1 1193 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1194 int whichbap);
1195 unsigned short *flash;
1196 tdsRssiEntry *rssi;
3b4c7d64
SB		 1197 struct task_struct *list_bss_task;
1198 struct task_struct *airo_thread_task;
1da177e4 1199 struct semaphore sem;
1da177e4 1200 wait_queue_head_t thr_wait;
1da177e4
LT		 1201 unsigned long expires;
1202 struct {
1203 struct sk_buff *skb;
1204 int fid;
1205 } xmit, xmit11;
1206 struct net_device *wifidev;
1da177e4 1207 struct iw_statistics wstats; // wireless stats
9e75af30 1208 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1209 struct iw_spy_data spy_data;
1210 struct iw_public_data wireless_data;
1da177e4 1211 /* MIC stuff */
f12cc209 1212 struct crypto_cipher *tfm;
1da177e4
LT		 1213 mic_module mod[2];
1214 mic_statistics micstats;
1da177e4
LT		 1215 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1216 HostTxDesc txfids[MPI_MAX_FIDS];
1217 HostRidDesc config_desc;
1218 unsigned long ridbus; // phys addr of config_desc
1219 struct sk_buff_head txq;// tx queue used by mpi350 code
1220 struct pci_dev *pci;
1221 unsigned char __iomem *pcimem;
1222 unsigned char __iomem *pciaux;
1223 unsigned char *shared;
1224 dma_addr_t shared_dma;
1cc68ae0 1225 pm_message_t power;
1da177e4
LT		 1226 SsidRid *SSID;
1227 APListRid *APList;
1228#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1229 char proc_name[IFNAMSIZ];
9e75af30 1230
3c304956
DW		 1231 /* WPA-related stuff */
1232 unsigned int bssListFirst;
1233 unsigned int bssListNext;
1234 unsigned int bssListRidLen;
1235
9e75af30
DW		 1236 struct list_head network_list;
1237 struct list_head network_free_list;
1238 BSSListElement *networks;
1da177e4
LT		 1239};
1240
b8c06bc1
AV		 1241static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1242 int whichbap)
1243{
1da177e4
LT		 1244 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1245}
1246
1247static int setup_proc_entry( struct net_device *dev,
1248 struct airo_info *apriv );
1249static int takedown_proc_entry( struct net_device *dev,
1250 struct airo_info *apriv );
1251
ff1d2767
JM		 1252static int cmdreset(struct airo_info *ai);
1253static int setflashmode (struct airo_info *ai);
1254static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1255static int flashputbuf(struct airo_info *ai);
1256static int flashrestart(struct airo_info *ai,struct net_device *dev);
1257
934d8bf1 1258#define airo_print(type, name, fmt, args...) \
1138c37b 1259 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1260
1261#define airo_print_info(name, fmt, args...) \
1262 airo_print(KERN_INFO, name, fmt, ##args)
1263
1264#define airo_print_dbg(name, fmt, args...) \
1265 airo_print(KERN_DEBUG, name, fmt, ##args)
1266
1267#define airo_print_warn(name, fmt, args...) \
1268 airo_print(KERN_WARNING, name, fmt, ##args)
1269
1270#define airo_print_err(name, fmt, args...) \
1271 airo_print(KERN_ERR, name, fmt, ##args)
1272
1273
1da177e4
LT		 1274/***********************************************************************
1275 * MIC ROUTINES *
1276 ***********************************************************************
1277 */
1278
1279static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1280static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1281static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1282 struct crypto_cipher *tfm);
ff1d2767
JM		 1283static void emmh32_init(emmh32_context *context);
1284static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1285static void emmh32_final(emmh32_context *context, u8 digest[4]);
1286static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4
LT		 1287
1288/* micinit - Initialize mic seed */
1289
1290static void micinit(struct airo_info *ai)
1291{
1292 MICRid mic_rid;
1293
3c304956 1294 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1295 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1296 up(&ai->sem);
1297
1298 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1299
1300 if (ai->micstats.enabled) {
1301 /* Key must be valid and different */
1302 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1303 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1304 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1305 /* Age current mic Context */
1306 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1307 /* Initialize new context */
1308 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1309 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1310 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1311 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1312 ai->mod[0].mCtx.valid = 1; //Key is now valid
1313
1314 /* Give key to mic seed */
1315 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1316 }
1317
1318 /* Key must be valid and different */
1319 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1320 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1321 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1322 /* Age current mic Context */
1323 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1324 /* Initialize new context */
1325 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1326
1327 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1328 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1329 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1330 ai->mod[0].uCtx.valid = 1; //Key is now valid
1331
1332 //Give key to mic seed
1333 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1334 }
1335 } else {
1336 /* So next time we have a valid key and mic is enabled, we will update
1337 * the sequence number if the key is the same as before.
1338 */
1339 ai->mod[0].uCtx.valid = 0;
1340 ai->mod[0].mCtx.valid = 0;
1341 }
1342}
1343
1344/* micsetup - Get ready for business */
1345
1346static int micsetup(struct airo_info *ai) {
1347 int i;
1348
1349 if (ai->tfm == NULL)
f12cc209 1350 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1351
f12cc209 1352 if (IS_ERR(ai->tfm)) {
934d8bf1 1353 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1354 ai->tfm = NULL;
1da177e4
LT		 1355 return ERROR;
1356 }
1357
1358 for (i=0; i < NUM_MODULES; i++) {
1359 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1360 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1361 }
1362 return SUCCESS;
1363}
1364
ff1d2767 1365static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1366
1367/*===========================================================================
1368 * Description: Mic a packet
1369 *
1370 * Inputs: etherHead * pointer to an 802.3 frame
1371 *
1372 * Returns: BOOLEAN if successful, otherwise false.
1373 * PacketTxLen will be updated with the mic'd packets size.
1374 *
1375 * Caveats: It is assumed that the frame buffer will already
1376 * be big enough to hold the largets mic message possible.
1377 * (No memory allocation is done here).
1378 *
1379 * Author: sbraneky (10/15/01)
1380 * Merciless hacks by rwilcher (1/14/02)
1381 */
1382
1383static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1384{
1385 miccntx *context;
1386
1387 // Determine correct context
1388 // If not adhoc, always use unicast key
1389
1390 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1391 context = &ai->mod[0].mCtx;
1392 else
1393 context = &ai->mod[0].uCtx;
1394
1395 if (!context->valid)
1396 return ERROR;
1397
1398 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1399
1400 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1401
1402 // Add Tx sequence
1403 mic->seq = htonl(context->tx);
1404 context->tx += 2;
1405
1406 emmh32_init(&context->seed); // Mic the packet
1407 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1408 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1409 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1410 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1411 emmh32_final(&context->seed, (u8*)&mic->mic);
1412
1413 /* New Type/length ?????????? */
1414 mic->typelen = 0; //Let NIC know it could be an oversized packet
1415 return SUCCESS;
1416}
1417
1418typedef enum {
1419 NONE,
1420 NOMIC,
1421 NOMICPLUMMED,
1422 SEQUENCE,
1423 INCORRECTMIC,
1424} mic_error;
1425
1426/*===========================================================================
1427 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1428 * (removes the MIC stuff) if packet is a valid packet.
1429 *
1430 * Inputs: etherHead pointer to the 802.3 packet
1431 *
1432 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1433 *
1434 * Author: sbraneky (10/15/01)
1435 * Merciless hacks by rwilcher (1/14/02)
1436 *---------------------------------------------------------------------------
1437 */
1438
1439static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1440{
1441 int i;
1442 u32 micSEQ;
1443 miccntx *context;
1444 u8 digest[4];
1445 mic_error micError = NONE;
1446
1447 // Check if the packet is a Mic'd packet
1448
1449 if (!ai->micstats.enabled) {
1450 //No Mic set or Mic OFF but we received a MIC'd packet.
1451 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1452 ai->micstats.rxMICPlummed++;
1453 return ERROR;
1454 }
1455 return SUCCESS;
1456 }
1457
1458 if (ntohs(mic->typelen) == 0x888E)
1459 return SUCCESS;
1460
1461 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1462 // Mic enabled but packet isn't Mic'd
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466
1467 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1468
1469 //At this point we a have a mic'd packet and mic is enabled
1470 //Now do the mic error checking.
1471
1472 //Receive seq must be odd
1473 if ( (micSEQ & 1) == 0 ) {
1474 ai->micstats.rxWrongSequence++;
1475 return ERROR;
1476 }
1477
1478 for (i = 0; i < NUM_MODULES; i++) {
1479 int mcast = eth->da[0] & 1;
1480 //Determine proper context
1481 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1482
1483 //Make sure context is valid
1484 if (!context->valid) {
1485 if (i == 0)
1486 micError = NOMICPLUMMED;
1487 continue;
1488 }
1489 //DeMic it
1490
1491 if (!mic->typelen)
1492 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1493
1494 emmh32_init(&context->seed);
1495 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1496 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1497 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1498 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1499 //Calculate MIC
1500 emmh32_final(&context->seed, digest);
1501
1502 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1503 //Invalid Mic
1504 if (i == 0)
1505 micError = INCORRECTMIC;
1506 continue;
1507 }
1508
1509 //Check Sequence number if mics pass
1510 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1511 ai->micstats.rxSuccess++;
1512 return SUCCESS;
1513 }
1514 if (i == 0)
1515 micError = SEQUENCE;
1516 }
1517
1518 // Update statistics
1519 switch (micError) {
1520 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1521 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1522 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1523 case NONE: break;
1524 case NOMIC: break;
1525 }
1526 return ERROR;
1527}
1528
1529/*===========================================================================
1530 * Description: Checks the Rx Seq number to make sure it is valid
1531 * and hasn't already been received
1532 *
1533 * Inputs: miccntx - mic context to check seq against
1534 * micSeq - the Mic seq number
1535 *
1536 * Returns: TRUE if valid otherwise FALSE.
1537 *
1538 * Author: sbraneky (10/15/01)
1539 * Merciless hacks by rwilcher (1/14/02)
1540 *---------------------------------------------------------------------------
1541 */
1542
1543static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1544{
1545 u32 seq,index;
1546
1547 //Allow for the ap being rebooted - if it is then use the next
1548 //sequence number of the current sequence number - might go backwards
1549
1550 if (mcast) {
1551 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1552 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1553 context->window = (micSeq > 33) ? micSeq : 33;
1554 context->rx = 0; // Reset rx
1555 }
1556 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1557 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1558 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1559 context->rx = 0; // Reset rx
1560 }
1561
1562 //Make sequence number relative to START of window
1563 seq = micSeq - (context->window - 33);
1564
1565 //Too old of a SEQ number to check.
1566 if ((s32)seq < 0)
1567 return ERROR;
1568
1569 if ( seq > 64 ) {
1570 //Window is infinite forward
1571 MoveWindow(context,micSeq);
1572 return SUCCESS;
1573 }
1574
1575 // We are in the window. Now check the context rx bit to see if it was already sent
1576 seq >>= 1; //divide by 2 because we only have odd numbers
1577 index = 1 << seq; //Get an index number
1578
1579 if (!(context->rx & index)) {
1580 //micSEQ falls inside the window.
1581 //Add seqence number to the list of received numbers.
1582 context->rx |= index;
1583
1584 MoveWindow(context,micSeq);
1585
1586 return SUCCESS;
1587 }
1588 return ERROR;
1589}
1590
1591static void MoveWindow(miccntx *context, u32 micSeq)
1592{
1593 u32 shift;
1594
1595 //Move window if seq greater than the middle of the window
1596 if (micSeq > context->window) {
1597 shift = (micSeq - context->window) >> 1;
1598
1599 //Shift out old
1600 if (shift < 32)
1601 context->rx >>= shift;
1602 else
1603 context->rx = 0;
1604
1605 context->window = micSeq; //Move window
1606 }
1607}
1608
1609/*==============================================*/
1610/*========== EMMH ROUTINES ====================*/
1611/*==============================================*/
1612
1613/* mic accumulate */
1614#define MIC_ACCUM(val) \
1615 context->accum += (u64)(val) * context->coeff[coeff_position++];
1616
1617static unsigned char aes_counter[16];
1618
1619/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1620static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1621 struct crypto_cipher *tfm)
1da177e4
LT		 1622{
1623 /* take the keying material, expand if necessary, truncate at 16-bytes */
1624 /* run through AES counter mode to generate context->coeff[] */
1625
1626 int i,j;
1627 u32 counter;
1628 u8 *cipher, plain[16];
1da177e4
LT		 1629
1630 crypto_cipher_setkey(tfm, pkey, 16);
1631 counter = 0;
e7c04fd3 1632 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1633 aes_counter[15] = (u8)(counter >> 0);
1634 aes_counter[14] = (u8)(counter >> 8);
1635 aes_counter[13] = (u8)(counter >> 16);
1636 aes_counter[12] = (u8)(counter >> 24);
1637 counter++;
1638 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1639 crypto_cipher_encrypt_one(tfm, plain, plain);
1640 cipher = plain;
e7c04fd3 1641 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1642 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1643 j += 4;
1644 }
1645 }
1646}
1647
1648/* prepare for calculation of a new mic */
ff1d2767 1649static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1650{
1651 /* prepare for new mic calculation */
1652 context->accum = 0;
1653 context->position = 0;
1654}
1655
1656/* add some bytes to the mic calculation */
ff1d2767 1657static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1658{
1659 int coeff_position, byte_position;
1660
1661 if (len == 0) return;
1662
1663 coeff_position = context->position >> 2;
1664
1665 /* deal with partial 32-bit word left over from last update */
1666 byte_position = context->position & 3;
1667 if (byte_position) {
1668 /* have a partial word in part to deal with */
1669 do {
1670 if (len == 0) return;
1671 context->part.d8[byte_position++] = *pOctets++;
1672 context->position++;
1673 len--;
1674 } while (byte_position < 4);
593c2b9c 1675 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1676 }
1677
1678 /* deal with full 32-bit words */
1679 while (len >= 4) {
593c2b9c 1680 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1681 context->position += 4;
1682 pOctets += 4;
1683 len -= 4;
1684 }
1685
1686 /* deal with partial 32-bit word that will be left over from this update */
1687 byte_position = 0;
1688 while (len > 0) {
1689 context->part.d8[byte_position++] = *pOctets++;
1690 context->position++;
1691 len--;
1692 }
1693}
1694
1695/* mask used to zero empty bytes for final partial word */
1696static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1697
1698/* calculate the mic */
ff1d2767 1699static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1700{
1701 int coeff_position, byte_position;
1702 u32 val;
1703
1704 u64 sum, utmp;
1705 s64 stmp;
1706
1707 coeff_position = context->position >> 2;
1708
1709 /* deal with partial 32-bit word left over from last update */
1710 byte_position = context->position & 3;
1711 if (byte_position) {
1712 /* have a partial word in part to deal with */
593c2b9c 1713 val = ntohl(context->part.d32);
1da177e4
LT		 1714 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1715 }
1716
1717 /* reduce the accumulated u64 to a 32-bit MIC */
1718 sum = context->accum;
1719 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1720 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1721 sum = utmp & 0xffffffffLL;
1722 if (utmp > 0x10000000fLL)
1723 sum -= 15;
1724
1725 val = (u32)sum;
1726 digest[0] = (val>>24) & 0xFF;
1727 digest[1] = (val>>16) & 0xFF;
1728 digest[2] = (val>>8) & 0xFF;
1729 digest[3] = val & 0xFF;
1730}
1da177e4
LT		 1731
1732static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1733 BSSListRid *list)
1734{
3c304956
DW		 1735 Cmd cmd;
1736 Resp rsp;
1da177e4
LT		 1737
1738 if (first == 1) {
3c304956
DW		 1739 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1740 memset(&cmd, 0, sizeof(cmd));
1741 cmd.cmd=CMD_LISTBSS;
1742 if (down_interruptible(&ai->sem))
1743 return -ERESTARTSYS;
3b4c7d64 1744 ai->list_bss_task = current;
3c304956
DW		 1745 issuecommand(ai, &cmd, &rsp);
1746 up(&ai->sem);
1747 /* Let the command take effect */
3b4c7d64
SB		 1748 schedule_timeout_uninterruptible(3 * HZ);
1749 ai->list_bss_task = NULL;
3c304956 1750 }
17e70491 1751 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1752 list, ai->bssListRidLen, 1);
1da177e4
LT		 1753}
1754
4293ea33
AV		 1755static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1756{
1757 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1758 wkr, sizeof(*wkr), lock);
1da177e4 1759}
1da177e4 1760
4293ea33
AV		 1761static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1762{
1763 int rc;
1764 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1765 if (rc!=SUCCESS)
1766 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1767 if (perm) {
4293ea33
AV		 1768 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1769 if (rc!=SUCCESS)
934d8bf1 1770 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1771 }
1772 return rc;
1773}
1774
0dd2212f
AV		 1775static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1776{
1777 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1778}
1da177e4 1779
0dd2212f
AV		 1780static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1781{
1782 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1783}
0dd2212f 1784
3eb9b41f
AV		 1785static int readConfigRid(struct airo_info *ai, int lock)
1786{
1da177e4 1787 int rc;
1da177e4
LT		 1788 ConfigRid cfg;
1789
1790 if (ai->config.len)
1791 return SUCCESS;
1792
1793 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1794 if (rc != SUCCESS)
1795 return rc;
1796
1da177e4
LT		 1797 ai->config = cfg;
1798 return SUCCESS;
1799}
3eb9b41f
AV		 1800
1801static inline void checkThrottle(struct airo_info *ai)
1802{
1da177e4
LT		 1803 int i;
1804/* Old hardware had a limit on encryption speed */
1805 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1806 for(i=0; i<8; i++) {
1807 if (ai->config.rates[i] > maxencrypt) {
1808 ai->config.rates[i] = 0;
1809 }
1810 }
1811 }
1812}
3eb9b41f
AV		 1813
1814static int writeConfigRid(struct airo_info *ai, int lock)
1815{
1da177e4
LT		 1816 ConfigRid cfgr;
1817
1818 if (!test_bit (FLAG_COMMIT, &ai->flags))
1819 return SUCCESS;
1820
1821 clear_bit (FLAG_COMMIT, &ai->flags);
1822 clear_bit (FLAG_RESET, &ai->flags);
1823 checkThrottle(ai);
1824 cfgr = ai->config;
1825
3eb9b41f 1826 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1827 set_bit(FLAG_ADHOC, &ai->flags);
1828 else
1829 clear_bit(FLAG_ADHOC, &ai->flags);
1830
1da177e4
LT		 1831 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1832}
1da177e4 1833
329e2c00
AV		 1834static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1835{
1836 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1837}
a749716e
AV		 1838
1839static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1840{
1841 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1842}
a749716e
AV		 1843
1844static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1845{
1846 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1847}
1da177e4 1848
56d81bd3
AV		 1849static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1850{
1851 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1852}
1da177e4 1853
a23ace5f
AV		 1854static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1855{
1856 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1857}
1858
1c2b7db8
MS		 1859static void try_auto_wep(struct airo_info *ai)
1860{
1861 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1862 ai->expires = RUN_AT(3*HZ);
1863 wake_up_interruptible(&ai->thr_wait);
1864 }
1865}
1866
1da177e4 1867static int airo_open(struct net_device *dev) {
1c2b7db8 1868 struct airo_info *ai = dev->priv;
1c2b7db8 1869 int rc = 0;
1da177e4 1870
1c2b7db8 1871 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1872 return -EIO;
1873
1874 /* Make sure the card is configured.
1875 * Wireless Extensions may postpone config changes until the card
1876 * is open (to pipeline changes and speed-up card setup). If
1877 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1878 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1879 disable_MAC(ai, 1);
1880 writeConfigRid(ai, 1);
1da177e4
LT		 1881 }
1882
1c2b7db8
MS		 1883 if (ai->wifidev != dev) {
1884 clear_bit(JOB_DIE, &ai->jobs);
1885 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1886 if (IS_ERR(ai->airo_thread_task))
1887 return (int)PTR_ERR(ai->airo_thread_task);
1888
1889 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1890 dev->name, dev);
1891 if (rc) {
1892 airo_print_err(dev->name,
1893 "register interrupt %d failed, rc %d",
1894 dev->irq, rc);
1895 set_bit(JOB_DIE, &ai->jobs);
1896 kthread_stop(ai->airo_thread_task);
1897 return rc;
1898 }
1899
1da177e4 1900 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1901 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1902 enable_interrupts(ai);
1903
1904 try_auto_wep(ai);
1da177e4 1905 }
175ec1a1 1906 enable_MAC(ai, 1);
1da177e4
LT		 1907
1908 netif_start_queue(dev);
1909 return 0;
1910}
1911
1912static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1913 int npacks, pending;
1914 unsigned long flags;
1915 struct airo_info *ai = dev->priv;
1916
1917 if (!skb) {
934d8bf1 1918 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1da177e4
LT		 1919 return 0;
1920 }
1921 npacks = skb_queue_len (&ai->txq);
1922
1923 if (npacks >= MAXTXQ - 1) {
1924 netif_stop_queue (dev);
1925 if (npacks > MAXTXQ) {
5d9276da 1926 dev->stats.tx_fifo_errors++;
1da177e4
LT		 1927 return 1;
1928 }
1929 skb_queue_tail (&ai->txq, skb);
1930 return 0;
1931 }
1932
1933 spin_lock_irqsave(&ai->aux_lock, flags);
1934 skb_queue_tail (&ai->txq, skb);
1935 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1936 spin_unlock_irqrestore(&ai->aux_lock,flags);
1937 netif_wake_queue (dev);
1938
1939 if (pending == 0) {
1940 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1941 mpi_send_packet (dev);
1942 }
1943 return 0;
1944}
1945
1946/*
1947 * @mpi_send_packet
1948 *
1949 * Attempt to transmit a packet. Can be called from interrupt
1950 * or transmit . return number of packets we tried to send
1951 */
1952
1953static int mpi_send_packet (struct net_device *dev)
1954{
1955 struct sk_buff *skb;
1956 unsigned char *buffer;
593c2b9c
AV		 1957 s16 len;
1958 __le16 *payloadLen;
1da177e4
LT		 1959 struct airo_info *ai = dev->priv;
1960 u8 *sendbuf;
1961
1962 /* get a packet to send */
1963
79ea13ce 1964 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW		 1965 airo_print_err(dev->name,
1966 "%s: Dequeue'd zero in send_packet()",
1da177e4
LT		 1967 __FUNCTION__);
1968 return 0;
1969 }
1970
1971 /* check min length*/
1972 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1973 buffer = skb->data;
1974
1975 ai->txfids[0].tx_desc.offset = 0;
1976 ai->txfids[0].tx_desc.valid = 1;
1977 ai->txfids[0].tx_desc.eoc = 1;
1978 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1979
1980/*
1981 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1982 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1983 * is immediatly after it. ------------------------------------------------
1984 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1985 * ------------------------------------------------
1986 */
1987
1988 memcpy((char *)ai->txfids[0].virtual_host_addr,
1989 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1990
593c2b9c 1991 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT		 1992 sizeof(wifictlhdr8023));
1993 sendbuf = ai->txfids[0].virtual_host_addr +
1994 sizeof(wifictlhdr8023) + 2 ;
1995
1996 /*
1997 * Firmware automaticly puts 802 header on so
1998 * we don't need to account for it in the length
1999 */
1da177e4 2000 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2001 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT		 2002 MICBuffer pMic;
2003
2004 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2005 return ERROR;
2006
2007 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2008 ai->txfids[0].tx_desc.len += sizeof(pMic);
2009 /* copy data into airo dma buffer */
2010 memcpy (sendbuf, buffer, sizeof(etherHead));
2011 buffer += sizeof(etherHead);
2012 sendbuf += sizeof(etherHead);
2013 memcpy (sendbuf, &pMic, sizeof(pMic));
2014 sendbuf += sizeof(pMic);
2015 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2016 } else {
1da177e4
LT		 2017 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2018
2019 dev->trans_start = jiffies;
2020
2021 /* copy data into airo dma buffer */
2022 memcpy(sendbuf, buffer, len);
2023 }
2024
2025 memcpy_toio(ai->txfids[0].card_ram_off,
2026 &ai->txfids[0].tx_desc, sizeof(TxFid));
2027
2028 OUT4500(ai, EVACK, 8);
2029
2030 dev_kfree_skb_any(skb);
2031 return 1;
2032}
2033
29b09fcc 2034static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2035{
593c2b9c 2036 __le16 status;
1da177e4
LT		 2037
2038 if (fid < 0)
2039 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2040 else {
2041 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2042 return;
2043 bap_read(ai, &status, 2, BAP0);
2044 }
2045 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2046 ai->dev->stats.tx_aborted_errors++;
1da177e4 2047 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2048 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT		 2049 if (le16_to_cpu(status) & 8) /* Aid fail */
2050 { }
2051 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2052 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT		 2053 if (le16_to_cpu(status) & 0x20) /* Association lost */
2054 { }
2055 /* We produce a TXDROP event only for retry or lifetime
2056 * exceeded, because that's the only status that really mean
2057 * that this particular node went away.
2058 * Other errors means that *we* screwed up. - Jean II */
2059 if ((le16_to_cpu(status) & 2) ||
2060 (le16_to_cpu(status) & 4)) {
2061 union iwreq_data wrqu;
2062 char junk[0x18];
2063
2064 /* Faster to skip over useless data than to do
2065 * another bap_setup(). We are at offset 0x6 and
2066 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2067 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT		 2068
2069 /* Copy 802.11 dest address.
2070 * We use the 802.11 header because the frame may
2071 * not be 802.3 or may be mangled...
2072 * In Ad-Hoc mode, it will be the node address.
2073 * In managed mode, it will be most likely the AP addr
2074 * User space will figure out how to convert it to
2075 * whatever it needs (IP address or else).
2076 * - Jean II */
2077 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2078 wrqu.addr.sa_family = ARPHRD_ETHER;
2079
2080 /* Send event to user space */
2081 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2082 }
2083}
2084
2085static void airo_end_xmit(struct net_device *dev) {
2086 u16 status;
2087 int i;
2088 struct airo_info *priv = dev->priv;
2089 struct sk_buff *skb = priv->xmit.skb;
2090 int fid = priv->xmit.fid;
2091 u32 *fids = priv->fids;
2092
3c304956 2093 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2094 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2095 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2096 up(&priv->sem);
2097
2098 i = 0;
2099 if ( status == SUCCESS ) {
2100 dev->trans_start = jiffies;
2101 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2102 } else {
2103 priv->fids[fid] &= 0xffff;
5d9276da 2104 dev->stats.tx_window_errors++;
1da177e4
LT		 2105 }
2106 if (i < MAX_FIDS / 2)
2107 netif_wake_queue(dev);
2108 dev_kfree_skb(skb);
2109}
2110
2111static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2112 s16 len;
2113 int i, j;
2114 struct airo_info *priv = dev->priv;
2115 u32 *fids = priv->fids;
2116
2117 if ( skb == NULL ) {
934d8bf1 2118 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2119 return 0;
2120 }
2121
2122 /* Find a vacant FID */
2123 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2124 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2125
2126 if ( j >= MAX_FIDS / 2 ) {
2127 netif_stop_queue(dev);
2128
2129 if (i == MAX_FIDS / 2) {
5d9276da 2130 dev->stats.tx_fifo_errors++;
1da177e4
LT		 2131 return 1;
2132 }
2133 }
2134 /* check min length*/
2135 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2136 /* Mark fid as used & save length for later */
2137 fids[i] |= (len << 16);
2138 priv->xmit.skb = skb;
2139 priv->xmit.fid = i;
2140 if (down_trylock(&priv->sem) != 0) {
2141 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2142 netif_stop_queue(dev);
3c304956 2143 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2144 wake_up_interruptible(&priv->thr_wait);
2145 } else
2146 airo_end_xmit(dev);
2147 return 0;
2148}
2149
2150static void airo_end_xmit11(struct net_device *dev) {
2151 u16 status;
2152 int i;
2153 struct airo_info *priv = dev->priv;
2154 struct sk_buff *skb = priv->xmit11.skb;
2155 int fid = priv->xmit11.fid;
2156 u32 *fids = priv->fids;
2157
3c304956 2158 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2159 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2160 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2161 up(&priv->sem);
2162
2163 i = MAX_FIDS / 2;
2164 if ( status == SUCCESS ) {
2165 dev->trans_start = jiffies;
2166 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2167 } else {
2168 priv->fids[fid] &= 0xffff;
5d9276da 2169 dev->stats.tx_window_errors++;
1da177e4
LT		 2170 }
2171 if (i < MAX_FIDS)
2172 netif_wake_queue(dev);
2173 dev_kfree_skb(skb);
2174}
2175
2176static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2177 s16 len;
2178 int i, j;
2179 struct airo_info *priv = dev->priv;
2180 u32 *fids = priv->fids;
2181
2182 if (test_bit(FLAG_MPI, &priv->flags)) {
2183 /* Not implemented yet for MPI350 */
2184 netif_stop_queue(dev);
2185 return -ENETDOWN;
2186 }
2187
2188 if ( skb == NULL ) {
934d8bf1 2189 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
1da177e4
LT		 2190 return 0;
2191 }
2192
2193 /* Find a vacant FID */
2194 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2196
2197 if ( j >= MAX_FIDS ) {
2198 netif_stop_queue(dev);
2199
2200 if (i == MAX_FIDS) {
5d9276da 2201 dev->stats.tx_fifo_errors++;
1da177e4
LT		 2202 return 1;
2203 }
2204 }
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit11.skb = skb;
2210 priv->xmit11.fid = i;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2213 netif_stop_queue(dev);
3c304956 2214 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2215 wake_up_interruptible(&priv->thr_wait);
2216 } else
2217 airo_end_xmit11(dev);
2218 return 0;
2219}
2220
5d9276da 2221static void airo_read_stats(struct net_device *dev)
a23ace5f 2222{
5d9276da 2223 struct airo_info *ai = dev->priv;
1da177e4 2224 StatsRid stats_rid;
a23ace5f 2225 __le32 *vals = stats_rid.vals;
1da177e4 2226
3c304956 2227 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2228 if (ai->power.event) {
1da177e4
LT		 2229 up(&ai->sem);
2230 return;
2231 }
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2233 up(&ai->sem);
2234
5d9276da 2235 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2236 le32_to_cpu(vals[45]);
5d9276da 2237 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2238 le32_to_cpu(vals[41]);
5d9276da
PZ		 2239 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ		 2243 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2244 dev->stats.tx_fifo_errors;
2245 dev->stats.multicast = le32_to_cpu(vals[43]);
2246 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT		 2247
2248 /* detailed rx_errors: */
5d9276da
PZ		 2249 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2250 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2251 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2252 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT		 2253}
2254
ff1d2767 2255static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4
LT		 2256{
2257 struct airo_info *local = dev->priv;
2258
3c304956 2259 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2260 /* Get stats out of the card if available */
2261 if (down_trylock(&local->sem) != 0) {
3c304956 2262 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2263 wake_up_interruptible(&local->thr_wait);
2264 } else
5d9276da 2265 airo_read_stats(dev);
1da177e4
LT		 2266 }
2267
5d9276da 2268 return &dev->stats;
1da177e4
LT		 2269}
2270
2271static void airo_set_promisc(struct airo_info *ai) {
2272 Cmd cmd;
2273 Resp rsp;
2274
2275 memset(&cmd, 0, sizeof(cmd));
2276 cmd.cmd=CMD_SETMODE;
3c304956 2277 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2278 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2279 issuecommand(ai, &cmd, &rsp);
2280 up(&ai->sem);
2281}
2282
2283static void airo_set_multicast_list(struct net_device *dev) {
2284 struct airo_info *ai = dev->priv;
2285
2286 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2287 change_bit(FLAG_PROMISC, &ai->flags);
2288 if (down_trylock(&ai->sem) != 0) {
3c304956 2289 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2290 wake_up_interruptible(&ai->thr_wait);
2291 } else
2292 airo_set_promisc(ai);
2293 }
2294
2295 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2296 /* Turn on multicast. (Should be already setup...) */
2297 }
2298}
2299
2300static int airo_set_mac_address(struct net_device *dev, void *p)
2301{
2302 struct airo_info *ai = dev->priv;
2303 struct sockaddr *addr = p;
1da177e4
LT		 2304
2305 readConfigRid(ai, 1);
2306 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2307 set_bit (FLAG_COMMIT, &ai->flags);
2308 disable_MAC(ai, 1);
2309 writeConfigRid (ai, 1);
175ec1a1 2310 enable_MAC(ai, 1);
1da177e4
LT		 2311 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2312 if (ai->wifidev)
2313 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2314 return 0;
2315}
2316
2317static int airo_change_mtu(struct net_device *dev, int new_mtu)
2318{
2319 if ((new_mtu < 68) || (new_mtu > 2400))
2320 return -EINVAL;
2321 dev->mtu = new_mtu;
2322 return 0;
2323}
2324
af5b5c9a
MS		 2325static LIST_HEAD(airo_devices);
2326
2327static void add_airo_dev(struct airo_info *ai)
2328{
2329 /* Upper layers already keep track of PCI devices,
2330 * so we only need to remember our non-PCI cards. */
2331 if (!ai->pci)
2332 list_add_tail(&ai->dev_list, &airo_devices);
2333}
2334
2335static void del_airo_dev(struct airo_info *ai)
2336{
2337 if (!ai->pci)
2338 list_del(&ai->dev_list);
2339}
1da177e4
LT		 2340
2341static int airo_close(struct net_device *dev) {
2342 struct airo_info *ai = dev->priv;
2343
2344 netif_stop_queue(dev);
2345
2346 if (ai->wifidev != dev) {
2347#ifdef POWER_ON_DOWN
2348 /* Shut power to the card. The idea is that the user can save
2349 * power when he doesn't need the card with "ifconfig down".
2350 * That's the method that is most friendly towards the network
2351 * stack (i.e. the network stack won't try to broadcast
2352 * anything on the interface and routes are gone. Jean II */
2353 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2354 disable_MAC(ai, 1);
2355#endif
2356 disable_interrupts( ai );
1c2b7db8
MS		 2357
2358 free_irq(dev->irq, dev);
2359
2360 set_bit(JOB_DIE, &ai->jobs);
2361 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2362 }
2363 return 0;
2364}
2365
1da177e4
LT		 2366void stop_airo_card( struct net_device *dev, int freeres )
2367{
2368 struct airo_info *ai = dev->priv;
2369
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_MAC(ai, 1);
2372 disable_interrupts(ai);
1da177e4
LT		 2373 takedown_proc_entry( dev, ai );
2374 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2375 unregister_netdev( dev );
2376 if (ai->wifidev) {
2377 unregister_netdev(ai->wifidev);
2378 free_netdev(ai->wifidev);
2379 ai->wifidev = NULL;
2380 }
2381 clear_bit(FLAG_REGISTERED, &ai->flags);
2382 }
1da177e4
LT		 2383 /*
2384 * Clean out tx queue
2385 */
b03efcfb 2386 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2387 struct sk_buff *skb = NULL;
2388 for (;(skb = skb_dequeue(&ai->txq));)
2389 dev_kfree_skb(skb);
2390 }
2391
9e75af30
DW		 2392 airo_networks_free (ai);
2393
b4558ea9
JJ		 2394 kfree(ai->flash);
2395 kfree(ai->rssi);
2396 kfree(ai->APList);
2397 kfree(ai->SSID);
1da177e4
LT		 2398 if (freeres) {
2399 /* PCMCIA frees this stuff, so only for PCI and ISA */
2400 release_region( dev->base_addr, 64 );
2401 if (test_bit(FLAG_MPI, &ai->flags)) {
2402 if (ai->pci)
2403 mpi_unmap_card(ai->pci);
2404 if (ai->pcimem)
2405 iounmap(ai->pcimem);
2406 if (ai->pciaux)
2407 iounmap(ai->pciaux);
2408 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2409 ai->shared, ai->shared_dma);
2410 }
2411 }
f12cc209 2412 crypto_free_cipher(ai->tfm);
af5b5c9a 2413 del_airo_dev(ai);
1da177e4
LT		 2414 free_netdev( dev );
2415}
2416
2417EXPORT_SYMBOL(stop_airo_card);
2418
b95cce35 2419static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2420{
98e399f8 2421 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2422 return ETH_ALEN;
2423}
2424
2425static void mpi_unmap_card(struct pci_dev *pci)
2426{
2427 unsigned long mem_start = pci_resource_start(pci, 1);
2428 unsigned long mem_len = pci_resource_len(pci, 1);
2429 unsigned long aux_start = pci_resource_start(pci, 2);
2430 unsigned long aux_len = AUXMEMSIZE;
2431
2432 release_mem_region(aux_start, aux_len);
2433 release_mem_region(mem_start, mem_len);
2434}
2435
2436/*************************************************************
2437 * This routine assumes that descriptors have been setup .
2438 * Run at insmod time or after reset when the decriptors
2439 * have been initialized . Returns 0 if all is well nz
2440 * otherwise . Does not allocate memory but sets up card
2441 * using previously allocated descriptors.
2442 */
2443static int mpi_init_descriptors (struct airo_info *ai)
2444{
2445 Cmd cmd;
2446 Resp rsp;
2447 int i;
2448 int rc = SUCCESS;
2449
2450 /* Alloc card RX descriptors */
2451 netif_stop_queue(ai->dev);
2452
2453 memset(&rsp,0,sizeof(rsp));
2454 memset(&cmd,0,sizeof(cmd));
2455
2456 cmd.cmd = CMD_ALLOCATEAUX;
2457 cmd.parm0 = FID_RX;
2458 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2459 cmd.parm2 = MPI_MAX_FIDS;
2460 rc=issuecommand(ai, &cmd, &rsp);
2461 if (rc != SUCCESS) {
934d8bf1 2462 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2463 return rc;
2464 }
2465
2466 for (i=0; i<MPI_MAX_FIDS; i++) {
2467 memcpy_toio(ai->rxfids[i].card_ram_off,
2468 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2469 }
2470
2471 /* Alloc card TX descriptors */
2472
2473 memset(&rsp,0,sizeof(rsp));
2474 memset(&cmd,0,sizeof(cmd));
2475
2476 cmd.cmd = CMD_ALLOCATEAUX;
2477 cmd.parm0 = FID_TX;
2478 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2479 cmd.parm2 = MPI_MAX_FIDS;
2480
2481 for (i=0; i<MPI_MAX_FIDS; i++) {
2482 ai->txfids[i].tx_desc.valid = 1;
2483 memcpy_toio(ai->txfids[i].card_ram_off,
2484 &ai->txfids[i].tx_desc, sizeof(TxFid));
2485 }
2486 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2487
2488 rc=issuecommand(ai, &cmd, &rsp);
2489 if (rc != SUCCESS) {
934d8bf1 2490 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2491 return rc;
2492 }
2493
2494 /* Alloc card Rid descriptor */
2495 memset(&rsp,0,sizeof(rsp));
2496 memset(&cmd,0,sizeof(cmd));
2497
2498 cmd.cmd = CMD_ALLOCATEAUX;
2499 cmd.parm0 = RID_RW;
2500 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2501 cmd.parm2 = 1; /* Magic number... */
2502 rc=issuecommand(ai, &cmd, &rsp);
2503 if (rc != SUCCESS) {
934d8bf1 2504 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2505 return rc;
2506 }
2507
2508 memcpy_toio(ai->config_desc.card_ram_off,
2509 &ai->config_desc.rid_desc, sizeof(Rid));
2510
2511 return rc;
2512}
2513
2514/*
2515 * We are setting up three things here:
2516 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2517 * 2) Map PCI memory for issueing commands.
2518 * 3) Allocate memory (shared) to send and receive ethernet frames.
2519 */
1138c37b 2520static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2521{
2522 unsigned long mem_start, mem_len, aux_start, aux_len;
2523 int rc = -1;
2524 int i;
2759c8d5
JG		 2525 dma_addr_t busaddroff;
2526 unsigned char *vpackoff;
1da177e4
LT		 2527 unsigned char __iomem *pciaddroff;
2528
2529 mem_start = pci_resource_start(pci, 1);
2530 mem_len = pci_resource_len(pci, 1);
2531 aux_start = pci_resource_start(pci, 2);
2532 aux_len = AUXMEMSIZE;
2533
1138c37b
MS		 2534 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2535 airo_print_err("", "Couldn't get region %x[%x]",
2536 (int)mem_start, (int)mem_len);
1da177e4
LT		 2537 goto out;
2538 }
1138c37b
MS		 2539 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2540 airo_print_err("", "Couldn't get region %x[%x]",
2541 (int)aux_start, (int)aux_len);
1da177e4
LT		 2542 goto free_region1;
2543 }
2544
2545 ai->pcimem = ioremap(mem_start, mem_len);
2546 if (!ai->pcimem) {
1138c37b
MS		 2547 airo_print_err("", "Couldn't map region %x[%x]",
2548 (int)mem_start, (int)mem_len);
1da177e4
LT		 2549 goto free_region2;
2550 }
2551 ai->pciaux = ioremap(aux_start, aux_len);
2552 if (!ai->pciaux) {
1138c37b
MS		 2553 airo_print_err("", "Couldn't map region %x[%x]",
2554 (int)aux_start, (int)aux_len);
1da177e4
LT		 2555 goto free_memmap;
2556 }
2557
2558 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2559 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2560 if (!ai->shared) {
1138c37b
MS		 2561 airo_print_err("", "Couldn't alloc_consistent %d",
2562 PCI_SHARED_LEN);
1da177e4
LT		 2563 goto free_auxmap;
2564 }
2565
2566 /*
2567 * Setup descriptor RX, TX, CONFIG
2568 */
2759c8d5 2569 busaddroff = ai->shared_dma;
1da177e4
LT		 2570 pciaddroff = ai->pciaux + AUX_OFFSET;
2571 vpackoff = ai->shared;
2572
2573 /* RX descriptor setup */
2574 for(i = 0; i < MPI_MAX_FIDS; i++) {
2575 ai->rxfids[i].pending = 0;
2576 ai->rxfids[i].card_ram_off = pciaddroff;
2577 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2578 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2579 ai->rxfids[i].rx_desc.valid = 1;
2580 ai->rxfids[i].rx_desc.len = PKTSIZE;
2581 ai->rxfids[i].rx_desc.rdy = 0;
2582
2583 pciaddroff += sizeof(RxFid);
2584 busaddroff += PKTSIZE;
2585 vpackoff += PKTSIZE;
2586 }
2587
2588 /* TX descriptor setup */
2589 for(i = 0; i < MPI_MAX_FIDS; i++) {
2590 ai->txfids[i].card_ram_off = pciaddroff;
2591 ai->txfids[i].virtual_host_addr = vpackoff;
2592 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2593 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2594 memcpy(ai->txfids[i].virtual_host_addr,
2595 &wifictlhdr8023, sizeof(wifictlhdr8023));
2596
2597 pciaddroff += sizeof(TxFid);
2598 busaddroff += PKTSIZE;
2599 vpackoff += PKTSIZE;
2600 }
2601 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2602
2603 /* Rid descriptor setup */
2604 ai->config_desc.card_ram_off = pciaddroff;
2605 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2606 ai->config_desc.rid_desc.host_addr = busaddroff;
2607 ai->ridbus = busaddroff;
1da177e4
LT		 2608 ai->config_desc.rid_desc.rid = 0;
2609 ai->config_desc.rid_desc.len = RIDSIZE;
2610 ai->config_desc.rid_desc.valid = 1;
2611 pciaddroff += sizeof(Rid);
2612 busaddroff += RIDSIZE;
2613 vpackoff += RIDSIZE;
2614
2615 /* Tell card about descriptors */
2616 if (mpi_init_descriptors (ai) != SUCCESS)
2617 goto free_shared;
2618
2619 return 0;
2620 free_shared:
2621 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2622 free_auxmap:
2623 iounmap(ai->pciaux);
2624 free_memmap:
2625 iounmap(ai->pcimem);
2626 free_region2:
2627 release_mem_region(aux_start, aux_len);
2628 free_region1:
2629 release_mem_region(mem_start, mem_len);
2630 out:
2631 return rc;
2632}
2633
3b04ddde
SH		 2634static const struct header_ops airo_header_ops = {
2635 .parse = wll_header_parse,
2636};
2637
1da177e4
LT		 2638static void wifi_setup(struct net_device *dev)
2639{
3b04ddde 2640 dev->header_ops = &airo_header_ops;
1da177e4
LT		 2641 dev->hard_start_xmit = &airo_start_xmit11;
2642 dev->get_stats = &airo_get_stats;
2643 dev->set_mac_address = &airo_set_mac_address;
2644 dev->do_ioctl = &airo_ioctl;
1da177e4 2645 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2646 dev->change_mtu = &airo_change_mtu;
2647 dev->open = &airo_open;
2648 dev->stop = &airo_close;
2649
2650 dev->type = ARPHRD_IEEE80211;
2651 dev->hard_header_len = ETH_HLEN;
15db2763 2652 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2653 dev->addr_len = ETH_ALEN;
2654 dev->tx_queue_len = 100;
2655
2656 memset(dev->broadcast,0xFF, ETH_ALEN);
2657
2658 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2659}
2660
2661static struct net_device *init_wifidev(struct airo_info *ai,
2662 struct net_device *ethdev)
2663{
2664 int err;
2665 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2666 if (!dev)
2667 return NULL;
2668 dev->priv = ethdev->priv;
2669 dev->irq = ethdev->irq;
2670 dev->base_addr = ethdev->base_addr;
1da177e4 2671 dev->wireless_data = ethdev->wireless_data;
1da177e4
LT		 2672 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2673 err = register_netdev(dev);
2674 if (err<0) {
2675 free_netdev(dev);
2676 return NULL;
2677 }
2678 return dev;
2679}
2680
ff1d2767 2681static int reset_card( struct net_device *dev , int lock) {
1da177e4
LT		 2682 struct airo_info *ai = dev->priv;
2683
2684 if (lock && down_interruptible(&ai->sem))
2685 return -1;
2686 waitbusy (ai);
2687 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2688 msleep(200);
2689 waitbusy (ai);
2690 msleep(200);
2691 if (lock)
2692 up(&ai->sem);
2693 return 0;
2694}
2695
3c304956 2696#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2697static int airo_networks_allocate(struct airo_info *ai)
2698{
2699 if (ai->networks)
2700 return 0;
2701
2702 ai->networks =
3c304956 2703 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2704 GFP_KERNEL);
2705 if (!ai->networks) {
1138c37b 2706 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2707 return -ENOMEM;
2708 }
2709
2710 return 0;
2711}
2712
2713static void airo_networks_free(struct airo_info *ai)
2714{
9e75af30
DW		 2715 kfree(ai->networks);
2716 ai->networks = NULL;
2717}
2718
2719static void airo_networks_initialize(struct airo_info *ai)
2720{
2721 int i;
2722
2723 INIT_LIST_HEAD(&ai->network_free_list);
2724 INIT_LIST_HEAD(&ai->network_list);
3c304956 2725 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2726 list_add_tail(&ai->networks[i].list,
2727 &ai->network_free_list);
2728}
2729
3c304956
DW		 2730static int airo_test_wpa_capable(struct airo_info *ai)
2731{
2732 int status;
2733 CapabilityRid cap_rid;
3c304956
DW		 2734
2735 status = readCapabilityRid(ai, &cap_rid, 1);
2736 if (status != SUCCESS) return 0;
2737
2738 /* Only firmware versions 5.30.17 or better can do WPA */
56d81bd3
AV		 2739 if (le16_to_cpu(cap_rid.softVer) > 0x530
2740 || (le16_to_cpu(cap_rid.softVer) == 0x530
2741 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
1138c37b 2742 airo_print_info("", "WPA is supported.");
3c304956
DW		 2743 return 1;
2744 }
2745
2746 /* No WPA support */
1138c37b 2747 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
3c304956
DW		 2748 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2749 return 0;
2750}
2751
ff1d2767
JM		 2752static struct net_device *_init_airo_card( unsigned short irq, int port,
2753 int is_pcmcia, struct pci_dev *pci,
2754 struct device *dmdev )
1da177e4
LT		 2755{
2756 struct net_device *dev;
2757 struct airo_info *ai;
2758 int i, rc;
0795af57 2759 DECLARE_MAC_BUF(mac);
1da177e4
LT		 2760
2761 /* Create the network device object. */
1138c37b
MS		 2762 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2763 if (!dev) {
934d8bf1 2764 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2765 return NULL;
1da177e4
LT		 2766 }
2767
2768 ai = dev->priv;
2769 ai->wifidev = NULL;
fb038c27 2770 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2771 ai->jobs = 0;
934d8bf1 2772 ai->dev = dev;
1da177e4 2773 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2774 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2775 set_bit(FLAG_MPI, &ai->flags);
2776 }
1da177e4
LT		 2777 spin_lock_init(&ai->aux_lock);
2778 sema_init(&ai->sem, 1);
2779 ai->config.len = 0;
2780 ai->pci = pci;
2781 init_waitqueue_head (&ai->thr_wait);
1da177e4 2782 ai->tfm = NULL;
af5b5c9a 2783 add_airo_dev(ai);
1da177e4 2784
9e75af30 2785 if (airo_networks_allocate (ai))
1c2b7db8 2786 goto err_out_free;
9e75af30
DW		 2787 airo_networks_initialize (ai);
2788
1da177e4
LT		 2789 /* The Airo-specific entries in the device structure. */
2790 if (test_bit(FLAG_MPI,&ai->flags)) {
2791 skb_queue_head_init (&ai->txq);
2792 dev->hard_start_xmit = &mpi_start_xmit;
2793 } else
2794 dev->hard_start_xmit = &airo_start_xmit;
2795 dev->get_stats = &airo_get_stats;
2796 dev->set_multicast_list = &airo_set_multicast_list;
2797 dev->set_mac_address = &airo_set_mac_address;
2798 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2799 dev->wireless_handlers = &airo_handler_def;
2800 ai->wireless_data.spy_data = &ai->spy_data;
2801 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2802 dev->change_mtu = &airo_change_mtu;
2803 dev->open = &airo_open;
2804 dev->stop = &airo_close;
2805 dev->irq = irq;
2806 dev->base_addr = port;
2807
2808 SET_NETDEV_DEV(dev, dmdev);
2809
1d97f384
MC		 2810 reset_card (dev, 1);
2811 msleep(400);
1da177e4 2812
1da177e4 2813 if (!is_pcmcia) {
1138c37b 2814 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2815 rc = -EBUSY;
934d8bf1 2816 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2817 goto err_out_nets;
1da177e4
LT		 2818 }
2819 }
2820
2821 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2822 if (mpi_map_card(ai, pci)) {
2823 airo_print_err("", "Could not map memory");
1da177e4
LT		 2824 goto err_out_res;
2825 }
2826 }
2827
2828 if (probe) {
2829 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2830 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2831 rc = -EIO;
2832 goto err_out_map;
2833 }
2834 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2835 ai->bap_read = fast_bap_read;
2836 set_bit(FLAG_FLASHING, &ai->flags);
2837 }
2838
3c304956
DW		 2839 /* Test for WPA support */
2840 if (airo_test_wpa_capable(ai)) {
2841 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2842 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2843 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2844 ai->bssListRidLen = sizeof(BSSListRid);
2845 } else {
2846 ai->bssListFirst = RID_BSSLISTFIRST;
2847 ai->bssListNext = RID_BSSLISTNEXT;
2848 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2849 }
2850
1138c37b 2851 strcpy(dev->name, "eth%d");
1da177e4
LT		 2852 rc = register_netdev(dev);
2853 if (rc) {
934d8bf1 2854 airo_print_err(dev->name, "Couldn't register_netdev");
1da177e4
LT		 2855 goto err_out_map;
2856 }
2857 ai->wifidev = init_wifidev(ai, dev);
431aca5a
FM		 2858 if (!ai->wifidev)
2859 goto err_out_reg;
1da177e4
LT		 2860
2861 set_bit(FLAG_REGISTERED,&ai->flags);
0795af57
JP		 2862 airo_print_info(dev->name, "MAC enabled %s",
2863 print_mac(mac, dev->dev_addr));
1da177e4
LT		 2864
2865 /* Allocate the transmit buffers */
2866 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2867 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2868 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2869
431aca5a
FM		 2870 if (setup_proc_entry(dev, dev->priv) < 0)
2871 goto err_out_wifi;
2872
1da177e4
LT		 2873 return dev;
2874
431aca5a
FM		 2875err_out_wifi:
2876 unregister_netdev(ai->wifidev);
2877 free_netdev(ai->wifidev);
2878err_out_reg:
2879 unregister_netdev(dev);
1da177e4
LT		 2880err_out_map:
2881 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2882 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2883 iounmap(ai->pciaux);
2884 iounmap(ai->pcimem);
2885 mpi_unmap_card(ai->pci);
2886 }
2887err_out_res:
2888 if (!is_pcmcia)
2889 release_region( dev->base_addr, 64 );
4d881901
MS		 2890err_out_nets:
2891 airo_networks_free(ai);
af5b5c9a 2892 del_airo_dev(ai);
1da177e4
LT		 2893err_out_free:
2894 free_netdev(dev);
2895 return NULL;
2896}
2897
2898struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2899 struct device *dmdev)
2900{
2901 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2902}
2903
2904EXPORT_SYMBOL(init_airo_card);
2905
2906static int waitbusy (struct airo_info *ai) {
2907 int delay = 0;
2908 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2909 udelay (10);
2910 if ((++delay % 20) == 0)
2911 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2912 }
2913 return delay < 10000;
2914}
2915
2916int reset_airo_card( struct net_device *dev )
2917{
2918 int i;
2919 struct airo_info *ai = dev->priv;
0795af57 2920 DECLARE_MAC_BUF(mac);
1da177e4
LT		 2921
2922 if (reset_card (dev, 1))
2923 return -1;
2924
2925 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2926 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2927 return -1;
2928 }
0795af57
JP		 2929 airo_print_info(dev->name, "MAC enabled %s",
2930 print_mac(mac, dev->dev_addr));
1da177e4
LT		 2931 /* Allocate the transmit buffers if needed */
2932 if (!test_bit(FLAG_MPI,&ai->flags))
2933 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2934 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2935
2936 enable_interrupts( ai );
2937 netif_wake_queue(dev);
2938 return 0;
2939}
2940
2941EXPORT_SYMBOL(reset_airo_card);
2942
2943static void airo_send_event(struct net_device *dev) {
2944 struct airo_info *ai = dev->priv;
2945 union iwreq_data wrqu;
2946 StatusRid status_rid;
2947
3c304956 2948 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2949 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2950 up(&ai->sem);
2951 wrqu.data.length = 0;
2952 wrqu.data.flags = 0;
2953 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2954 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2955
2956 /* Send event to user space */
2957 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2958}
2959
9e75af30
DW		 2960static void airo_process_scan_results (struct airo_info *ai) {
2961 union iwreq_data wrqu;
3c304956 2962 BSSListRid bss;
9e75af30
DW		 2963 int rc;
2964 BSSListElement * loop_net;
2965 BSSListElement * tmp_net;
2966
2967 /* Blow away current list of scan results */
2968 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2969 list_move_tail (&loop_net->list, &ai->network_free_list);
2970 /* Don't blow away ->list, just BSS data */
2971 memset (loop_net, 0, sizeof (loop_net->bss));
2972 }
2973
2974 /* Try to read the first entry of the scan result */
3c304956 2975 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 2976 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW		 2977 /* No scan results */
2978 goto out;
2979 }
2980
2981 /* Read and parse all entries */
2982 tmp_net = NULL;
17e70491 2983 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW		 2984 /* Grab a network off the free list */
2985 if (!list_empty(&ai->network_free_list)) {
2986 tmp_net = list_entry(ai->network_free_list.next,
2987 BSSListElement, list);
2988 list_del(ai->network_free_list.next);
2989 }
2990
2991 if (tmp_net != NULL) {
3c304956 2992 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 2993 list_add_tail(&tmp_net->list, &ai->network_list);
2994 tmp_net = NULL;
2995 }
2996
2997 /* Read next entry */
3c304956
DW		 2998 rc = PC4500_readrid(ai, ai->bssListNext,
2999 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3000 }
3001
3002out:
3003 ai->scan_timeout = 0;
3c304956 3004 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3005 up(&ai->sem);
3006
3007 /* Send an empty event to user space.
3008 * We don't send the received data on
3009 * the event because it would require
3010 * us to do complex transcoding, and
3011 * we want to minimise the work done in
3012 * the irq handler. Use a request to
3013 * extract the data - Jean II */
3014 wrqu.data.length = 0;
3015 wrqu.data.flags = 0;
3016 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3017}
3018
1da177e4
LT		 3019static int airo_thread(void *data) {
3020 struct net_device *dev = data;
3021 struct airo_info *ai = dev->priv;
3022 int locked;
83144186
RW		 3023
3024 set_freezable();
1da177e4 3025 while(1) {
1da177e4 3026 /* make swsusp happy with our thread */
3e1d1d28 3027 try_to_freeze();
1da177e4 3028
3c304956 3029 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3030 break;
3031
3c304956 3032 if (ai->jobs) {
1da177e4
LT		 3033 locked = down_interruptible(&ai->sem);
3034 } else {
3035 wait_queue_t wait;
3036
3037 init_waitqueue_entry(&wait, current);
3038 add_wait_queue(&ai->thr_wait, &wait);
3039 for (;;) {
3040 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3041 if (ai->jobs)
1da177e4 3042 break;
9e75af30
DW		 3043 if (ai->expires || ai->scan_timeout) {
3044 if (ai->scan_timeout &&
3045 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3046 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3047 break;
3048 } else if (ai->expires &&
3049 time_after_eq(jiffies,ai->expires)){
3c304956 3050 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3051 break;
3052 }
5bb85f18
DK		 3053 if (!kthread_should_stop() &&
3054 !freezing(current)) {
9e75af30
DW		 3055 unsigned long wake_at;
3056 if (!ai->expires || !ai->scan_timeout) {
3057 wake_at = max(ai->expires,
3058 ai->scan_timeout);
3059 } else {
3060 wake_at = min(ai->expires,
3061 ai->scan_timeout);
3062 }
3063 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3064 continue;
3065 }
5bb85f18
DK		 3066 } else if (!kthread_should_stop() &&
3067 !freezing(current)) {
1da177e4
LT		 3068 schedule();
3069 continue;
3070 }
3071 break;
3072 }
3073 current->state = TASK_RUNNING;
3074 remove_wait_queue(&ai->thr_wait, &wait);
3075 locked = 1;
3076 }
3077
3078 if (locked)
3079 continue;
3080
3c304956 3081 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3082 up(&ai->sem);
3083 break;
3084 }
3085
ca078bae 3086 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3087 up(&ai->sem);
3088 continue;
3089 }
3090
3c304956 3091 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3092 airo_end_xmit(dev);
3c304956 3093 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3094 airo_end_xmit11(dev);
3c304956 3095 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3096 airo_read_stats(dev);
3c304956 3097 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3098 airo_read_wireless_stats(ai);
3c304956 3099 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3100 airo_set_promisc(ai);
3c304956 3101 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3102 micinit(ai);
3c304956 3103 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3104 airo_send_event(dev);
3c304956 3105 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3106 timer_func(dev);
3c304956 3107 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3108 airo_process_scan_results(ai);
3109 else /* Shouldn't get here, but we make sure to unlock */
3110 up(&ai->sem);
1da177e4 3111 }
3b4c7d64
SB		 3112
3113 return 0;
1da177e4
LT		 3114}
3115
0300b332
AV		 3116static int header_len(__le16 ctl)
3117{
3118 u16 fc = le16_to_cpu(ctl);
3119 switch (fc & 0xc) {
3120 case 4:
3121 if ((fc & 0xe0) == 0xc0)
3122 return 10; /* one-address control packet */
3123 return 16; /* two-address control packet */
3124 case 8:
3125 if ((fc & 0x300) == 0x300)
3126 return 30; /* WDS packet */
3127 }
3128 return 24;
3129}
3130
28fc1f5a
JG		 3131static irqreturn_t airo_interrupt(int irq, void *dev_id)
3132{
3133 struct net_device *dev = dev_id;
1da177e4
LT		 3134 u16 status;
3135 u16 fid;
3136 struct airo_info *apriv = dev->priv;
3137 u16 savedInterrupts = 0;
3138 int handled = 0;
3139
3140 if (!netif_device_present(dev))
3141 return IRQ_NONE;
3142
3143 for (;;) {
3144 status = IN4500( apriv, EVSTAT );
3145 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3146
3147 handled = 1;
3148
3149 if ( status & EV_AWAKE ) {
3150 OUT4500( apriv, EVACK, EV_AWAKE );
3151 OUT4500( apriv, EVACK, EV_AWAKE );
3152 }
3153
3154 if (!savedInterrupts) {
3155 savedInterrupts = IN4500( apriv, EVINTEN );
3156 OUT4500( apriv, EVINTEN, 0 );
3157 }
3158
3159 if ( status & EV_MIC ) {
3160 OUT4500( apriv, EVACK, EV_MIC );
1da177e4 3161 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3c304956 3162 set_bit(JOB_MIC, &apriv->jobs);
1da177e4
LT		 3163 wake_up_interruptible(&apriv->thr_wait);
3164 }
1da177e4
LT		 3165 }
3166 if ( status & EV_LINK ) {
3167 union iwreq_data wrqu;
6fcdf565 3168 int scan_forceloss = 0;
1da177e4
LT		 3169 /* The link status has changed, if you want to put a
3170 monitor hook in, do it here. (Remember that
3171 interrupts are still disabled!)
3172 */
3173 u16 newStatus = IN4500(apriv, LINKSTAT);
3174 OUT4500( apriv, EVACK, EV_LINK);
3175 /* Here is what newStatus means: */
3176#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3177#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3178#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3179#define FORCELOSS 0x8003 /* Loss of sync - host request */
3180#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3181#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3182#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3183#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3184 code) */
3185#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3186 code) */
6fcdf565
DW		 3187#define ASSOCIATED 0x0400 /* Associated */
3188#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
1da177e4
LT		 3189#define RC_RESERVED 0 /* Reserved return code */
3190#define RC_NOREASON 1 /* Unspecified reason */
3191#define RC_AUTHINV 2 /* Previous authentication invalid */
3192#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3193 leaving */
3194#define RC_NOACT 4 /* Disassociated due to inactivity */
3195#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3196 all currently associated stations */
3197#define RC_BADCLASS2 6 /* Class 2 frame received from
3198 non-Authenticated station */
3199#define RC_BADCLASS3 7 /* Class 3 frame received from
3200 non-Associated station */
3201#define RC_STATLEAVE 8 /* Disassociated because sending station is
3202 leaving BSS */
3203#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3204 Authenticated with the responding station */
6fcdf565
DW		 3205 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3206 scan_forceloss = 1;
3207 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
1da177e4
LT		 3208 if (auto_wep)
3209 apriv->expires = 0;
3b4c7d64
SB		 3210 if (apriv->list_bss_task)
3211 wake_up_process(apriv->list_bss_task);
1da177e4
LT		 3212 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3213 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
6fcdf565 3214
1da177e4 3215 if (down_trylock(&apriv->sem) != 0) {
3c304956 3216 set_bit(JOB_EVENT, &apriv->jobs);
1da177e4
LT		 3217 wake_up_interruptible(&apriv->thr_wait);
3218 } else
3219 airo_send_event(dev);
6fcdf565
DW		 3220 } else if (!scan_forceloss) {
3221 if (auto_wep && !apriv->expires) {
3222 apriv->expires = RUN_AT(3*HZ);
3223 wake_up_interruptible(&apriv->thr_wait);
3224 }
1da177e4
LT		 3225
3226 /* Send event to user space */
6fcdf565
DW		 3227 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3228 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1da177e4
LT		 3229 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3230 }
3231 }
3232
3233 /* Check to see if there is something to receive */
3234 if ( status & EV_RX ) {
3235 struct sk_buff *skb = NULL;
b8c06bc1
AV		 3236 __le16 fc, v;
3237 u16 len, hdrlen = 0;
1da177e4
LT		 3238#pragma pack(1)
3239 struct {
593c2b9c 3240 __le16 status, len;
1da177e4
LT		 3241 u8 rssi[2];
3242 u8 rate;
3243 u8 freq;
593c2b9c 3244 __le16 tmp[4];
1da177e4
LT		 3245 } hdr;
3246#pragma pack()
3247 u16 gap;
b8c06bc1
AV		 3248 __le16 tmpbuf[4];
3249 __le16 *buffer;
1da177e4
LT		 3250
3251 if (test_bit(FLAG_MPI,&apriv->flags)) {
3252 if (test_bit(FLAG_802_11, &apriv->flags))
3253 mpi_receive_802_11(apriv);
3254 else
3255 mpi_receive_802_3(apriv);
3256 OUT4500(apriv, EVACK, EV_RX);
3257 goto exitrx;
3258 }
3259
3260 fid = IN4500( apriv, RXFID );
3261
3262 /* Get the packet length */
3263 if (test_bit(FLAG_802_11, &apriv->flags)) {
3264 bap_setup (apriv, fid, 4, BAP0);
b8c06bc1 3265 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
1da177e4
LT		 3266 /* Bad CRC. Ignore packet */
3267 if (le16_to_cpu(hdr.status) & 2)
3268 hdr.len = 0;
3269 if (apriv->wifidev == NULL)
3270 hdr.len = 0;
3271 } else {
3272 bap_setup (apriv, fid, 0x36, BAP0);
b8c06bc1 3273 bap_read (apriv, &hdr.len, 2, BAP0);
1da177e4
LT		 3274 }
3275 len = le16_to_cpu(hdr.len);
3276
15db2763 3277 if (len > AIRO_DEF_MTU) {
934d8bf1 3278 airo_print_err(apriv->dev->name, "Bad size %d", len);
1da177e4
LT		 3279 goto badrx;
3280 }
3281 if (len == 0)
3282 goto badrx;
3283
3284 if (test_bit(FLAG_802_11, &apriv->flags)) {
0300b332
AV		 3285 bap_read (apriv, &fc, sizeof(fc), BAP0);
3286 hdrlen = header_len(fc);
1da177e4
LT		 3287 } else
3288 hdrlen = ETH_ALEN * 2;
3289
3290 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3291 if ( !skb ) {
5d9276da 3292 dev->stats.rx_dropped++;
1da177e4
LT		 3293 goto badrx;
3294 }
3295 skb_reserve(skb, 2); /* This way the IP header is aligned */
b8c06bc1 3296 buffer = (__le16*)skb_put (skb, len + hdrlen);
1da177e4
LT		 3297 if (test_bit(FLAG_802_11, &apriv->flags)) {
3298 buffer[0] = fc;
3299 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3300 if (hdrlen == 24)
3301 bap_read (apriv, tmpbuf, 6, BAP0);
3302
b8c06bc1
AV		 3303 bap_read (apriv, &v, sizeof(v), BAP0);
3304 gap = le16_to_cpu(v);
1da177e4 3305 if (gap) {
934d8bf1 3306 if (gap <= 8) {
1da177e4 3307 bap_read (apriv, tmpbuf, gap, BAP0);
934d8bf1
DW		 3308 } else {
3309 airo_print_err(apriv->dev->name, "gaplen too "
3310 "big. Problems will follow...");
3311 }
1da177e4
LT		 3312 }
3313 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3314 } else {
1da177e4 3315 MICBuffer micbuf;
1da177e4 3316 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
1da177e4 3317 if (apriv->micstats.enabled) {
b8c06bc1 3318 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
1da177e4
LT		 3319 if (ntohs(micbuf.typelen) > 0x05DC)
3320 bap_setup (apriv, fid, 0x44, BAP0);
3321 else {
3322 if (len <= sizeof(micbuf))
3323 goto badmic;
3324
3325 len -= sizeof(micbuf);
3326 skb_trim (skb, len + hdrlen);
3327 }
3328 }
1da177e4 3329 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
1da177e4
LT		 3330 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3331badmic:
3332 dev_kfree_skb_irq (skb);
1da177e4
LT		 3333badrx:
3334 OUT4500( apriv, EVACK, EV_RX);
3335 goto exitrx;
3336 }
3337 }
3338#ifdef WIRELESS_SPY
3339 if (apriv->spy_data.spy_number > 0) {
3340 char *sa;
3341 struct iw_quality wstats;
3342 /* Prepare spy data : addr + qual */
3343 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3344 sa = (char*)buffer + 6;
3345 bap_setup (apriv, fid, 8, BAP0);
b8c06bc1 3346 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
1da177e4
LT		 3347 } else
3348 sa = (char*)buffer + 10;
3349 wstats.qual = hdr.rssi[0];
3350 if (apriv->rssi)
3351 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3352 else
3353 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3354 wstats.noise = apriv->wstats.qual.noise;
3355 wstats.updated = IW_QUAL_LEVEL_UPDATED
3356 | IW_QUAL_QUAL_UPDATED
ce6623c3 3357 | IW_QUAL_DBM;
1da177e4
LT		 3358 /* Update spy records */
3359 wireless_spy_update(dev, sa, &wstats);
3360 }
3361#endif /* WIRELESS_SPY */
3362 OUT4500( apriv, EVACK, EV_RX);
3363
3364 if (test_bit(FLAG_802_11, &apriv->flags)) {
459a98ed 3365 skb_reset_mac_header(skb);
1da177e4
LT		 3366 skb->pkt_type = PACKET_OTHERHOST;
3367 skb->dev = apriv->wifidev;
3368 skb->protocol = htons(ETH_P_802_2);
4c13eb66 3369 } else
1da177e4 3370 skb->protocol = eth_type_trans(skb,dev);
1da177e4
LT		 3371 skb->dev->last_rx = jiffies;
3372 skb->ip_summed = CHECKSUM_NONE;
3373
3374 netif_rx( skb );
3375 }
3376exitrx:
3377
3378 /* Check to see if a packet has been transmitted */
3379 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3380 int i;
3381 int len = 0;
3382 int index = -1;
3383
3384 if (test_bit(FLAG_MPI,&apriv->flags)) {
3385 unsigned long flags;
3386
3387 if (status & EV_TXEXC)
3388 get_tx_error(apriv, -1);
3389 spin_lock_irqsave(&apriv->aux_lock, flags);
b03efcfb 3390 if (!skb_queue_empty(&apriv->txq)) {
1da177e4
LT		 3391 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3392 mpi_send_packet (dev);
3393 } else {
3394 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3395 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3396 netif_wake_queue (dev);
3397 }
3398 OUT4500( apriv, EVACK,
3399 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3400 goto exittx;
3401 }
3402
3403 fid = IN4500(apriv, TXCOMPLFID);
3404
3405 for( i = 0; i < MAX_FIDS; i++ ) {
3406 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3407 len = apriv->fids[i] >> 16;
3408 index = i;
3409 }
3410 }
3411 if (index != -1) {
3412 if (status & EV_TXEXC)
3413 get_tx_error(apriv, index);
3414 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3415 /* Set up to be used again */
3416 apriv->fids[index] &= 0xffff;
3417 if (index < MAX_FIDS / 2) {
3418 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3419 netif_wake_queue(dev);
3420 } else {
3421 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3422 netif_wake_queue(apriv->wifidev);
3423 }
3424 } else {
3425 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
934d8bf1
DW		 3426 airo_print_err(apriv->dev->name, "Unallocated FID was "
3427 "used to xmit" );
1da177e4
LT		 3428 }
3429 }
3430exittx:
3431 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
934d8bf1 3432 airo_print_warn(apriv->dev->name, "Got weird status %x",
1da177e4
LT		 3433 status & ~STATUS_INTS & ~IGNORE_INTS );
3434 }
3435
3436 if (savedInterrupts)
3437 OUT4500( apriv, EVINTEN, savedInterrupts );
3438
3439 /* done.. */
3440 return IRQ_RETVAL(handled);
3441}
3442
3443/*
3444 * Routines to talk to the card
3445 */
3446
3447/*
3448 * This was originally written for the 4500, hence the name
3449 * NOTE: If use with 8bit mode and SMP bad things will happen!
3450 * Why would some one do 8 bit IO in an SMP machine?!?
3451 */
3452static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3453 if (test_bit(FLAG_MPI,&ai->flags))
3454 reg <<= 1;
3455 if ( !do8bitIO )
3456 outw( val, ai->dev->base_addr + reg );
3457 else {
3458 outb( val & 0xff, ai->dev->base_addr + reg );
3459 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3460 }
3461}
3462
3463static u16 IN4500( struct airo_info *ai, u16 reg ) {
3464 unsigned short rc;
3465
3466 if (test_bit(FLAG_MPI,&ai->flags))
3467 reg <<= 1;
3468 if ( !do8bitIO )
3469 rc = inw( ai->dev->base_addr + reg );
3470 else {
3471 rc = inb( ai->dev->base_addr + reg );
3472 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3473 }
3474 return rc;
3475}
3476
175ec1a1
MS		 3477static int enable_MAC(struct airo_info *ai, int lock)
3478{
1da177e4 3479 int rc;
175ec1a1
MS		 3480 Cmd cmd;
3481 Resp rsp;
1da177e4
LT		 3482
3483 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3484 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3485 * Note : we could try to use !netif_running(dev) in enable_MAC()
3486 * instead of this flag, but I don't trust it *within* the
3487 * open/close functions, and testing both flags together is
3488 * "cheaper" - Jean II */
3489 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3490
3491 if (lock && down_interruptible(&ai->sem))
3492 return -ERESTARTSYS;
3493
3494 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3495 memset(&cmd, 0, sizeof(cmd));
3496 cmd.cmd = MAC_ENABLE;
175ec1a1 3497 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3498 if (rc == SUCCESS)
3499 set_bit(FLAG_ENABLED, &ai->flags);
3500 } else
3501 rc = SUCCESS;
3502
3503 if (lock)
3504 up(&ai->sem);
3505
3506 if (rc)
175ec1a1
MS		 3507 airo_print_err(ai->dev->name, "Cannot enable MAC");
3508 else if ((rsp.status & 0xFF00) != 0) {
3509 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3510 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3511 rc = ERROR;
3512 }
1da177e4
LT		 3513 return rc;
3514}
3515
3516static void disable_MAC( struct airo_info *ai, int lock ) {
3517 Cmd cmd;
3518 Resp rsp;
3519
3520 if (lock && down_interruptible(&ai->sem))
3521 return;
3522
3523 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3524 memset(&cmd, 0, sizeof(cmd));
3525 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3526 issuecommand(ai, &cmd, &rsp);
3527 clear_bit(FLAG_ENABLED, &ai->flags);
3528 }
3529 if (lock)
3530 up(&ai->sem);
3531}
3532
3533static void enable_interrupts( struct airo_info *ai ) {
3534 /* Enable the interrupts */
3535 OUT4500( ai, EVINTEN, STATUS_INTS );
3536}
3537
3538static void disable_interrupts( struct airo_info *ai ) {
3539 OUT4500( ai, EVINTEN, 0 );
3540}
3541
3542static void mpi_receive_802_3(struct airo_info *ai)
3543{
3544 RxFid rxd;
3545 int len = 0;
3546 struct sk_buff *skb;
3547 char *buffer;
1da177e4
LT		 3548 int off = 0;
3549 MICBuffer micbuf;
1da177e4
LT		 3550
3551 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3552 /* Make sure we got something */
3553 if (rxd.rdy && rxd.valid == 0) {
3554 len = rxd.len + 12;
3555 if (len < 12 || len > 2048)
3556 goto badrx;
3557
3558 skb = dev_alloc_skb(len);
3559 if (!skb) {
5d9276da 3560 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3561 goto badrx;
3562 }
3563 buffer = skb_put(skb,len);
1da177e4
LT		 3564 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3565 if (ai->micstats.enabled) {
3566 memcpy(&micbuf,
3567 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3568 sizeof(micbuf));
3569 if (ntohs(micbuf.typelen) <= 0x05DC) {
3570 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3571 goto badmic;
3572
3573 off = sizeof(micbuf);
3574 skb_trim (skb, len - off);
3575 }
3576 }
3577 memcpy(buffer + ETH_ALEN * 2,
3578 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3579 len - ETH_ALEN * 2 - off);
3580 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3581badmic:
3582 dev_kfree_skb_irq (skb);
3583 goto badrx;
3584 }
1da177e4
LT		 3585#ifdef WIRELESS_SPY
3586 if (ai->spy_data.spy_number > 0) {
3587 char *sa;
3588 struct iw_quality wstats;
3589 /* Prepare spy data : addr + qual */
3590 sa = buffer + ETH_ALEN;
3591 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3592 wstats.level = 0;
3593 wstats.updated = 0;
3594 /* Update spy records */
3595 wireless_spy_update(ai->dev, sa, &wstats);
3596 }
3597#endif /* WIRELESS_SPY */
3598
1da177e4
LT		 3599 skb->ip_summed = CHECKSUM_NONE;
3600 skb->protocol = eth_type_trans(skb, ai->dev);
3601 skb->dev->last_rx = jiffies;
3602 netif_rx(skb);
3603 }
3604badrx:
3605 if (rxd.valid == 0) {
3606 rxd.valid = 1;
3607 rxd.rdy = 0;
3608 rxd.len = PKTSIZE;
3609 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3610 }
3611}
3612
3613void mpi_receive_802_11 (struct airo_info *ai)
3614{
3615 RxFid rxd;
3616 struct sk_buff *skb = NULL;
0300b332
AV		 3617 u16 len, hdrlen = 0;
3618 __le16 fc;
1da177e4
LT		 3619#pragma pack(1)
3620 struct {
593c2b9c 3621 __le16 status, len;
1da177e4
LT		 3622 u8 rssi[2];
3623 u8 rate;
3624 u8 freq;
593c2b9c 3625 __le16 tmp[4];
1da177e4
LT		 3626 } hdr;
3627#pragma pack()
3628 u16 gap;
3629 u16 *buffer;
3630 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3631
3632 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3633 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3634 ptr += sizeof(hdr);
3635 /* Bad CRC. Ignore packet */
3636 if (le16_to_cpu(hdr.status) & 2)
3637 hdr.len = 0;
3638 if (ai->wifidev == NULL)
3639 hdr.len = 0;
3640 len = le16_to_cpu(hdr.len);
15db2763 3641 if (len > AIRO_DEF_MTU) {
934d8bf1 3642 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3643 goto badrx;
3644 }
3645 if (len == 0)
3646 goto badrx;
3647
0300b332
AV		 3648 fc = get_unaligned((__le16 *)ptr);
3649 hdrlen = header_len(fc);
1da177e4
LT		 3650
3651 skb = dev_alloc_skb( len + hdrlen + 2 );
3652 if ( !skb ) {
5d9276da 3653 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3654 goto badrx;
3655 }
3656 buffer = (u16*)skb_put (skb, len + hdrlen);
3657 memcpy ((char *)buffer, ptr, hdrlen);
3658 ptr += hdrlen;
3659 if (hdrlen == 24)
3660 ptr += 6;
533dd1b0 3661 gap = get_unaligned_le16(ptr);
593c2b9c 3662 ptr += sizeof(__le16);
1da177e4
LT		 3663 if (gap) {
3664 if (gap <= 8)
3665 ptr += gap;
3666 else
934d8bf1
DW		 3667 airo_print_err(ai->dev->name,
3668 "gaplen too big. Problems will follow...");
1da177e4
LT		 3669 }
3670 memcpy ((char *)buffer + hdrlen, ptr, len);
3671 ptr += len;
3672#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3673 if (ai->spy_data.spy_number > 0) {
3674 char *sa;
3675 struct iw_quality wstats;
3676 /* Prepare spy data : addr + qual */
3677 sa = (char*)buffer + 10;
3678 wstats.qual = hdr.rssi[0];
3679 if (ai->rssi)
3680 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3681 else
3682 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3683 wstats.noise = ai->wstats.qual.noise;
3684 wstats.updated = IW_QUAL_QUAL_UPDATED
3685 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3686 | IW_QUAL_DBM;
1da177e4
LT		 3687 /* Update spy records */
3688 wireless_spy_update(ai->dev, sa, &wstats);
3689 }
3690#endif /* IW_WIRELESS_SPY */
459a98ed 3691 skb_reset_mac_header(skb);
1da177e4
LT		 3692 skb->pkt_type = PACKET_OTHERHOST;
3693 skb->dev = ai->wifidev;
3694 skb->protocol = htons(ETH_P_802_2);
3695 skb->dev->last_rx = jiffies;
3696 skb->ip_summed = CHECKSUM_NONE;
3697 netif_rx( skb );
3698badrx:
3699 if (rxd.valid == 0) {
3700 rxd.valid = 1;
3701 rxd.rdy = 0;
3702 rxd.len = PKTSIZE;
3703 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3704 }
3705}
3706
3707static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3708{
3709 Cmd cmd;
3710 Resp rsp;
3711 int status;
3712 int i;
3713 SsidRid mySsid;
4293ea33 3714 __le16 lastindex;
1da177e4
LT		 3715 WepKeyRid wkr;
3716 int rc;
3717
3718 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3719 kfree (ai->flash);
3720 ai->flash = NULL;
1da177e4
LT		 3721
3722 /* The NOP is the first step in getting the card going */
3723 cmd.cmd = NOP;
3724 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3725 if (lock && down_interruptible(&ai->sem))
3726 return ERROR;
3727 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3728 if (lock)
3729 up(&ai->sem);
3730 return ERROR;
3731 }
3732 disable_MAC( ai, 0);
3733
3734 // Let's figure out if we need to use the AUX port
3735 if (!test_bit(FLAG_MPI,&ai->flags)) {
3736 cmd.cmd = CMD_ENABLEAUX;
3737 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3738 if (lock)
3739 up(&ai->sem);
934d8bf1 3740 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3741 return ERROR;
3742 }
3743 if (!aux_bap || rsp.status & 0xff00) {
3744 ai->bap_read = fast_bap_read;
934d8bf1 3745 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3746 } else {
3747 ai->bap_read = aux_bap_read;
934d8bf1 3748 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3749 }
3750 }
3751 if (lock)
3752 up(&ai->sem);
3753 if (ai->config.len == 0) {
3754 tdsRssiRid rssi_rid;
3755 CapabilityRid cap_rid;
3756
b4558ea9
JJ		 3757 kfree(ai->APList);
3758 ai->APList = NULL;
3759 kfree(ai->SSID);
3760 ai->SSID = NULL;
1da177e4
LT		 3761 // general configuration (read/modify/write)
3762 status = readConfigRid(ai, lock);
3763 if ( status != SUCCESS ) return ERROR;
3764
3765 status = readCapabilityRid(ai, &cap_rid, lock);
3766 if ( status != SUCCESS ) return ERROR;
3767
3768 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3769 if ( status == SUCCESS ) {
3770 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3771 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3772 }
3773 else {
b4558ea9
JJ		 3774 kfree(ai->rssi);
3775 ai->rssi = NULL;
56d81bd3 3776 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3777 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3778 else
934d8bf1
DW		 3779 airo_print_warn(ai->dev->name, "unknown received signal "
3780 "level scale");
1da177e4
LT		 3781 }
3782 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3783 ai->config.authType = AUTH_OPEN;
3784 ai->config.modulation = MOD_CCK;
3785
56d81bd3 3786 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3787 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3788 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3789 ai->config.opmode |= MODE_MIC;
3790 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3791 }
1da177e4
LT		 3792
3793 /* Save off the MAC */
3794 for( i = 0; i < ETH_ALEN; i++ ) {
3795 mac[i] = ai->config.macAddr[i];
3796 }
3797
3798 /* Check to see if there are any insmod configured
3799 rates to add */
3800 if ( rates[0] ) {
3801 int i = 0;
3802 memset(ai->config.rates,0,sizeof(ai->config.rates));
3803 for( i = 0; i < 8 && rates[i]; i++ ) {
3804 ai->config.rates[i] = rates[i];
3805 }
3806 }
3807 if ( basic_rate > 0 ) {
3808 int i;
3809 for( i = 0; i < 8; i++ ) {
3810 if ( ai->config.rates[i] == basic_rate ||
3811 !ai->config.rates ) {
3812 ai->config.rates[i] = basic_rate | 0x80;
3813 break;
3814 }
3815 }
3816 }
3817 set_bit (FLAG_COMMIT, &ai->flags);
3818 }
3819
3820 /* Setup the SSIDs if present */
3821 if ( ssids[0] ) {
3822 int i;
3823 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3824 size_t len = strlen(ssids[i]);
3825 if (len > 32)
3826 len = 32;
3827 mySsid.ssids[i].len = cpu_to_le16(len);
3828 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3829 }
0dd2212f 3830 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3831 }
3832
3833 status = writeConfigRid(ai, lock);
3834 if ( status != SUCCESS ) return ERROR;
3835
3836 /* Set up the SSID list */
3837 if ( ssids[0] ) {
3838 status = writeSsidRid(ai, &mySsid, lock);
3839 if ( status != SUCCESS ) return ERROR;
3840 }
3841
175ec1a1
MS		 3842 status = enable_MAC(ai, lock);
3843 if (status != SUCCESS)
1da177e4 3844 return ERROR;
1da177e4
LT		 3845
3846 /* Grab the initial wep key, we gotta save it for auto_wep */
3847 rc = readWepKeyRid(ai, &wkr, 1, lock);
3848 if (rc == SUCCESS) do {
3849 lastindex = wkr.kindex;
4293ea33 3850 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3851 ai->defindex = wkr.mac[0];
3852 }
3853 rc = readWepKeyRid(ai, &wkr, 0, lock);
3854 } while(lastindex != wkr.kindex);
3855
1c2b7db8 3856 try_auto_wep(ai);
1da177e4
LT		 3857
3858 return SUCCESS;
3859}
3860
3861static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3862 // Im really paranoid about letting it run forever!
3863 int max_tries = 600000;
3864
3865 if (IN4500(ai, EVSTAT) & EV_CMD)
3866 OUT4500(ai, EVACK, EV_CMD);
3867
3868 OUT4500(ai, PARAM0, pCmd->parm0);
3869 OUT4500(ai, PARAM1, pCmd->parm1);
3870 OUT4500(ai, PARAM2, pCmd->parm2);
3871 OUT4500(ai, COMMAND, pCmd->cmd);
3872
3873 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3874 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3875 // PC4500 didn't notice command, try again
3876 OUT4500(ai, COMMAND, pCmd->cmd);
3877 if (!in_atomic() && (max_tries & 255) == 0)
3878 schedule();
3879 }
3880
3881 if ( max_tries == -1 ) {
934d8bf1
DW		 3882 airo_print_err(ai->dev->name,
3883 "Max tries exceeded when issueing command");
1da177e4
LT		 3884 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3885 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3886 return ERROR;
3887 }
3888
3889 // command completed
3890 pRsp->status = IN4500(ai, STATUS);
3891 pRsp->rsp0 = IN4500(ai, RESP0);
3892 pRsp->rsp1 = IN4500(ai, RESP1);
3893 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3894 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3895 airo_print_err(ai->dev->name,
3896 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3897 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3898 pRsp->rsp2);
1da177e4
LT		 3899
3900 // clear stuck command busy if necessary
3901 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3902 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3903 }
3904 // acknowledge processing the status/response
3905 OUT4500(ai, EVACK, EV_CMD);
3906
3907 return SUCCESS;
3908}
3909
3910/* Sets up the bap to start exchange data. whichbap should
3911 * be one of the BAP0 or BAP1 defines. Locks should be held before
3912 * calling! */
3913static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3914{
3915 int timeout = 50;
3916 int max_tries = 3;
3917
3918 OUT4500(ai, SELECT0+whichbap, rid);
3919 OUT4500(ai, OFFSET0+whichbap, offset);
3920 while (1) {
3921 int status = IN4500(ai, OFFSET0+whichbap);
3922 if (status & BAP_BUSY) {
3923 /* This isn't really a timeout, but its kinda
3924 close */
3925 if (timeout--) {
3926 continue;
3927 }
3928 } else if ( status & BAP_ERR ) {
3929 /* invalid rid or offset */
934d8bf1 3930 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3931 status, whichbap );
3932 return ERROR;
3933 } else if (status & BAP_DONE) { // success
3934 return SUCCESS;
3935 }
3936 if ( !(max_tries--) ) {
934d8bf1 3937 airo_print_err(ai->dev->name,
1138c37b 3938 "BAP setup error too many retries\n");
1da177e4
LT		 3939 return ERROR;
3940 }
3941 // -- PC4500 missed it, try again
3942 OUT4500(ai, SELECT0+whichbap, rid);
3943 OUT4500(ai, OFFSET0+whichbap, offset);
3944 timeout = 50;
3945 }
3946}
3947
3948/* should only be called by aux_bap_read. This aux function and the
3949 following use concepts not documented in the developers guide. I
3950 got them from a patch given to my by Aironet */
3951static u16 aux_setup(struct airo_info *ai, u16 page,
3952 u16 offset, u16 *len)
3953{
3954 u16 next;
3955
3956 OUT4500(ai, AUXPAGE, page);
3957 OUT4500(ai, AUXOFF, 0);
3958 next = IN4500(ai, AUXDATA);
3959 *len = IN4500(ai, AUXDATA)&0xff;
3960 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3961 return next;
3962}
3963
3964/* requires call to bap_setup() first */
b8c06bc1 3965static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 3966 int bytelen, int whichbap)
3967{
3968 u16 len;
3969 u16 page;
3970 u16 offset;
3971 u16 next;
3972 int words;
3973 int i;
3974 unsigned long flags;
3975
3976 spin_lock_irqsave(&ai->aux_lock, flags);
3977 page = IN4500(ai, SWS0+whichbap);
3978 offset = IN4500(ai, SWS2+whichbap);
3979 next = aux_setup(ai, page, offset, &len);
3980 words = (bytelen+1)>>1;
3981
3982 for (i=0; i<words;) {
3983 int count;
3984 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3985 if ( !do8bitIO )
3986 insw( ai->dev->base_addr+DATA0+whichbap,
3987 pu16Dst+i,count );
3988 else
3989 insb( ai->dev->base_addr+DATA0+whichbap,
3990 pu16Dst+i, count << 1 );
3991 i += count;
3992 if (i<words) {
3993 next = aux_setup(ai, next, 4, &len);
3994 }
3995 }
3996 spin_unlock_irqrestore(&ai->aux_lock, flags);
3997 return SUCCESS;
3998}
3999
4000
4001/* requires call to bap_setup() first */
b8c06bc1 4002static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4003 int bytelen, int whichbap)
4004{
4005 bytelen = (bytelen + 1) & (~1); // round up to even value
4006 if ( !do8bitIO )
4007 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4008 else
4009 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4010 return SUCCESS;
4011}
4012
4013/* requires call to bap_setup() first */
b8c06bc1 4014static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4015 int bytelen, int whichbap)
4016{
4017 bytelen = (bytelen + 1) & (~1); // round up to even value
4018 if ( !do8bitIO )
4019 outsw( ai->dev->base_addr+DATA0+whichbap,
4020 pu16Src, bytelen>>1 );
4021 else
4022 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4023 return SUCCESS;
4024}
4025
4026static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4027{
4028 Cmd cmd; /* for issuing commands */
4029 Resp rsp; /* response from commands */
4030 u16 status;
4031
4032 memset(&cmd, 0, sizeof(cmd));
4033 cmd.cmd = accmd;
4034 cmd.parm0 = rid;
4035 status = issuecommand(ai, &cmd, &rsp);
4036 if (status != 0) return status;
4037 if ( (rsp.status & 0x7F00) != 0) {
4038 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4039 }
4040 return 0;
4041}
4042
4043/* Note, that we are using BAP1 which is also used by transmit, so
4044 * we must get a lock. */
4045static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4046{
4047 u16 status;
4048 int rc = SUCCESS;
4049
4050 if (lock) {
4051 if (down_interruptible(&ai->sem))
4052 return ERROR;
4053 }
4054 if (test_bit(FLAG_MPI,&ai->flags)) {
4055 Cmd cmd;
4056 Resp rsp;
4057
4058 memset(&cmd, 0, sizeof(cmd));
4059 memset(&rsp, 0, sizeof(rsp));
4060 ai->config_desc.rid_desc.valid = 1;
4061 ai->config_desc.rid_desc.len = RIDSIZE;
4062 ai->config_desc.rid_desc.rid = 0;
4063 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4064
4065 cmd.cmd = CMD_ACCESS;
4066 cmd.parm0 = rid;
4067
4068 memcpy_toio(ai->config_desc.card_ram_off,
4069 &ai->config_desc.rid_desc, sizeof(Rid));
4070
4071 rc = issuecommand(ai, &cmd, &rsp);
4072
4073 if (rsp.status & 0x7f00)
4074 rc = rsp.rsp0;
4075 if (!rc)
4076 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4077 goto done;
4078 } else {
4079 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4080 rc = status;
4081 goto done;
4082 }
4083 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4084 rc = ERROR;
4085 goto done;
4086 }
4087 // read the rid length field
4088 bap_read(ai, pBuf, 2, BAP1);
4089 // length for remaining part of rid
593c2b9c 4090 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4091
4092 if ( len <= 2 ) {
934d8bf1
DW		 4093 airo_print_err(ai->dev->name,
4094 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4095 (int)rid, (int)len );
4096 rc = ERROR;
4097 goto done;
4098 }
4099 // read remainder of the rid
b8c06bc1 4100 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4101 }
4102done:
4103 if (lock)
4104 up(&ai->sem);
4105 return rc;
4106}
4107
4108/* Note, that we are using BAP1 which is also used by transmit, so
4109 * make sure this isnt called when a transmit is happening */
4110static int PC4500_writerid(struct airo_info *ai, u16 rid,
4111 const void *pBuf, int len, int lock)
4112{
4113 u16 status;
4114 int rc = SUCCESS;
4115
593c2b9c 4116 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4117
4118 if (lock) {
4119 if (down_interruptible(&ai->sem))
4120 return ERROR;
4121 }
4122 if (test_bit(FLAG_MPI,&ai->flags)) {
4123 Cmd cmd;
4124 Resp rsp;
4125
f89b2321 4126 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4127 airo_print_err(ai->dev->name,
4128 "%s: MAC should be disabled (rid=%04x)",
1da177e4
LT		 4129 __FUNCTION__, rid);
4130 memset(&cmd, 0, sizeof(cmd));
4131 memset(&rsp, 0, sizeof(rsp));
4132
4133 ai->config_desc.rid_desc.valid = 1;
4134 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4135 ai->config_desc.rid_desc.rid = 0;
4136
4137 cmd.cmd = CMD_WRITERID;
4138 cmd.parm0 = rid;
4139
4140 memcpy_toio(ai->config_desc.card_ram_off,
4141 &ai->config_desc.rid_desc, sizeof(Rid));
4142
4143 if (len < 4 || len > 2047) {
934d8bf1 4144 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
1da177e4
LT		 4145 rc = -1;
4146 } else {
4147 memcpy((char *)ai->config_desc.virtual_host_addr,
4148 pBuf, len);
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151 if ((rc & 0xff00) != 0) {
934d8bf1
DW		 4152 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4153 __FUNCTION__, rc);
4154 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4155 __FUNCTION__, cmd.cmd);
1da177e4
LT		 4156 }
4157
4158 if ((rsp.status & 0x7f00))
4159 rc = rsp.rsp0;
4160 }
4161 } else {
4162 // --- first access so that we can write the rid data
4163 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4164 rc = status;
4165 goto done;
4166 }
4167 // --- now write the rid data
4168 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4169 rc = ERROR;
4170 goto done;
4171 }
4172 bap_write(ai, pBuf, len, BAP1);
4173 // ---now commit the rid data
4174 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4175 }
4176done:
4177 if (lock)
4178 up(&ai->sem);
4179 return rc;
4180}
4181
4182/* Allocates a FID to be used for transmitting packets. We only use
4183 one for now. */
4184static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4185{
4186 unsigned int loop = 3000;
4187 Cmd cmd;
4188 Resp rsp;
4189 u16 txFid;
593c2b9c 4190 __le16 txControl;
1da177e4
LT		 4191
4192 cmd.cmd = CMD_ALLOCATETX;
4193 cmd.parm0 = lenPayload;
4194 if (down_interruptible(&ai->sem))
4195 return ERROR;
4196 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4197 txFid = ERROR;
4198 goto done;
4199 }
4200 if ( (rsp.status & 0xFF00) != 0) {
4201 txFid = ERROR;
4202 goto done;
4203 }
4204 /* wait for the allocate event/indication
4205 * It makes me kind of nervous that this can just sit here and spin,
4206 * but in practice it only loops like four times. */
4207 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4208 if (!loop) {
4209 txFid = ERROR;
4210 goto done;
4211 }
4212
4213 // get the allocated fid and acknowledge
4214 txFid = IN4500(ai, TXALLOCFID);
4215 OUT4500(ai, EVACK, EV_ALLOC);
4216
4217 /* The CARD is pretty cool since it converts the ethernet packet
4218 * into 802.11. Also note that we don't release the FID since we
4219 * will be using the same one over and over again. */
4220 /* We only have to setup the control once since we are not
4221 * releasing the fid. */
4222 if (raw)
4223 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4224 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4225 else
4226 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4227 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4228 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4229 txFid = ERROR;
4230 else
4231 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4232
4233done:
4234 up(&ai->sem);
4235
4236 return txFid;
4237}
4238
4239/* In general BAP1 is dedicated to transmiting packets. However,
4240 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4241 Make sure the BAP1 spinlock is held when this is called. */
4242static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4243{
593c2b9c 4244 __le16 payloadLen;
1da177e4
LT		 4245 Cmd cmd;
4246 Resp rsp;
4247 int miclen = 0;
4248 u16 txFid = len;
4249 MICBuffer pMic;
4250
4251 len >>= 16;
4252
4253 if (len <= ETH_ALEN * 2) {
934d8bf1 4254 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4255 return ERROR;
4256 }
4257 len -= ETH_ALEN * 2;
4258
1da177e4 4259 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4260 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4261 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4262 return ERROR;
4263 miclen = sizeof(pMic);
4264 }
1da177e4
LT		 4265 // packet is destination[6], source[6], payload[len-12]
4266 // write the payload length and dst/src/payload
4267 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4268 /* The hardware addresses aren't counted as part of the payload, so
4269 * we have to subtract the 12 bytes for the addresses off */
4270 payloadLen = cpu_to_le16(len + miclen);
4271 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4272 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4273 if (miclen)
b8c06bc1
AV		 4274 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4275 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4276 // issue the transmit command
4277 memset( &cmd, 0, sizeof( cmd ) );
4278 cmd.cmd = CMD_TRANSMIT;
4279 cmd.parm0 = txFid;
4280 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4281 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4282 return SUCCESS;
4283}
4284
4285static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4286{
593c2b9c 4287 __le16 fc, payloadLen;
1da177e4
LT		 4288 Cmd cmd;
4289 Resp rsp;
4290 int hdrlen;
977b143c
AV		 4291 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4292 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4293 u16 txFid = len;
4294 len >>= 16;
1da177e4 4295
0300b332
AV		 4296 fc = *(__le16*)pPacket;
4297 hdrlen = header_len(fc);
1da177e4
LT		 4298
4299 if (len < hdrlen) {
934d8bf1 4300 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4301 return ERROR;
4302 }
4303
4304 /* packet is 802.11 header + payload
4305 * write the payload length and dst/src/payload */
4306 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4307 /* The 802.11 header aren't counted as part of the payload, so
4308 * we have to subtract the header bytes off */
4309 payloadLen = cpu_to_le16(len-hdrlen);
4310 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4311 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4312 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4313 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4314
b8c06bc1 4315 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4316 // issue the transmit command
4317 memset( &cmd, 0, sizeof( cmd ) );
4318 cmd.cmd = CMD_TRANSMIT;
4319 cmd.parm0 = txFid;
4320 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4321 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4322 return SUCCESS;
4323}
4324
4325/*
4326 * This is the proc_fs routines. It is a bit messier than I would
4327 * like! Feel free to clean it up!
4328 */
4329
4330static ssize_t proc_read( struct file *file,
4331 char __user *buffer,
4332 size_t len,
4333 loff_t *offset);
4334
4335static ssize_t proc_write( struct file *file,
4336 const char __user *buffer,
4337 size_t len,
4338 loff_t *offset );
4339static int proc_close( struct inode *inode, struct file *file );
4340
4341static int proc_stats_open( struct inode *inode, struct file *file );
4342static int proc_statsdelta_open( struct inode *inode, struct file *file );
4343static int proc_status_open( struct inode *inode, struct file *file );
4344static int proc_SSID_open( struct inode *inode, struct file *file );
4345static int proc_APList_open( struct inode *inode, struct file *file );
4346static int proc_BSSList_open( struct inode *inode, struct file *file );
4347static int proc_config_open( struct inode *inode, struct file *file );
4348static int proc_wepkey_open( struct inode *inode, struct file *file );
4349
d54b1fdb 4350static const struct file_operations proc_statsdelta_ops = {
a95609cb 4351 .owner = THIS_MODULE,
1da177e4
LT		 4352 .read = proc_read,
4353 .open = proc_statsdelta_open,
4354 .release = proc_close
4355};
4356
d54b1fdb 4357static const struct file_operations proc_stats_ops = {
a95609cb 4358 .owner = THIS_MODULE,
1da177e4
LT		 4359 .read = proc_read,
4360 .open = proc_stats_open,
4361 .release = proc_close
4362};
4363
d54b1fdb 4364static const struct file_operations proc_status_ops = {
a95609cb 4365 .owner = THIS_MODULE,
1da177e4
LT		 4366 .read = proc_read,
4367 .open = proc_status_open,
4368 .release = proc_close
4369};
4370
d54b1fdb 4371static const struct file_operations proc_SSID_ops = {
a95609cb 4372 .owner = THIS_MODULE,
1da177e4
LT		 4373 .read = proc_read,
4374 .write = proc_write,
4375 .open = proc_SSID_open,
4376 .release = proc_close
4377};
4378
d54b1fdb 4379static const struct file_operations proc_BSSList_ops = {
a95609cb 4380 .owner = THIS_MODULE,
1da177e4
LT		 4381 .read = proc_read,
4382 .write = proc_write,
4383 .open = proc_BSSList_open,
4384 .release = proc_close
4385};
4386
d54b1fdb 4387static const struct file_operations proc_APList_ops = {
a95609cb 4388 .owner = THIS_MODULE,
1da177e4
LT		 4389 .read = proc_read,
4390 .write = proc_write,
4391 .open = proc_APList_open,
4392 .release = proc_close
4393};
4394
d54b1fdb 4395static const struct file_operations proc_config_ops = {
a95609cb 4396 .owner = THIS_MODULE,
1da177e4
LT		 4397 .read = proc_read,
4398 .write = proc_write,
4399 .open = proc_config_open,
4400 .release = proc_close
4401};
4402
d54b1fdb 4403static const struct file_operations proc_wepkey_ops = {
a95609cb 4404 .owner = THIS_MODULE,
1da177e4
LT		 4405 .read = proc_read,
4406 .write = proc_write,
4407 .open = proc_wepkey_open,
4408 .release = proc_close
4409};
4410
4411static struct proc_dir_entry *airo_entry;
4412
4413struct proc_data {
4414 int release_buffer;
4415 int readlen;
4416 char *rbuffer;
4417 int writelen;
4418 int maxwritelen;
4419 char *wbuffer;
4420 void (*on_close) (struct inode *, struct file *);
4421};
4422
1da177e4
LT		 4423static int setup_proc_entry( struct net_device *dev,
4424 struct airo_info *apriv ) {
4425 struct proc_dir_entry *entry;
4426 /* First setup the device directory */
4427 strcpy(apriv->proc_name,dev->name);
4428 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4429 S_IFDIR|airo_perm,
4430 airo_entry);
431aca5a
FM		 4431 if (!apriv->proc_entry)
4432 goto fail;
4433 apriv->proc_entry->uid = proc_uid;
4434 apriv->proc_entry->gid = proc_gid;
4435 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4436
4437 /* Setup the StatsDelta */
a95609cb
DL		 4438 entry = proc_create_data("StatsDelta",
4439 S_IFREG | (S_IRUGO&proc_perm),
4440 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4441 if (!entry)
4442 goto fail_stats_delta;
4443 entry->uid = proc_uid;
4444 entry->gid = proc_gid;
1da177e4
LT		 4445
4446 /* Setup the Stats */
a95609cb
DL		 4447 entry = proc_create_data("Stats",
4448 S_IFREG | (S_IRUGO&proc_perm),
4449 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4450 if (!entry)
4451 goto fail_stats;
4452 entry->uid = proc_uid;
4453 entry->gid = proc_gid;
1da177e4
LT		 4454
4455 /* Setup the Status */
a95609cb
DL		 4456 entry = proc_create_data("Status",
4457 S_IFREG | (S_IRUGO&proc_perm),
4458 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4459 if (!entry)
4460 goto fail_status;
4461 entry->uid = proc_uid;
4462 entry->gid = proc_gid;
1da177e4
LT		 4463
4464 /* Setup the Config */
a95609cb
DL		 4465 entry = proc_create_data("Config",
4466 S_IFREG | proc_perm,
4467 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4468 if (!entry)
4469 goto fail_config;
4470 entry->uid = proc_uid;
4471 entry->gid = proc_gid;
1da177e4
LT		 4472
4473 /* Setup the SSID */
a95609cb
DL		 4474 entry = proc_create_data("SSID",
4475 S_IFREG | proc_perm,
4476 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4477 if (!entry)
4478 goto fail_ssid;
4479 entry->uid = proc_uid;
4480 entry->gid = proc_gid;
1da177e4
LT		 4481
4482 /* Setup the APList */
a95609cb
DL		 4483 entry = proc_create_data("APList",
4484 S_IFREG | proc_perm,
4485 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4486 if (!entry)
4487 goto fail_aplist;
4488 entry->uid = proc_uid;
4489 entry->gid = proc_gid;
1da177e4
LT		 4490
4491 /* Setup the BSSList */
a95609cb
DL		 4492 entry = proc_create_data("BSSList",
4493 S_IFREG | proc_perm,
4494 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4495 if (!entry)
4496 goto fail_bsslist;
1da177e4
LT		 4497 entry->uid = proc_uid;
4498 entry->gid = proc_gid;
1da177e4
LT		 4499
4500 /* Setup the WepKey */
a95609cb
DL		 4501 entry = proc_create_data("WepKey",
4502 S_IFREG | proc_perm,
4503 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4504 if (!entry)
4505 goto fail_wepkey;
4506 entry->uid = proc_uid;
4507 entry->gid = proc_gid;
1da177e4
LT		 4508
4509 return 0;
431aca5a
FM		 4510
4511fail_wepkey:
4512 remove_proc_entry("BSSList", apriv->proc_entry);
4513fail_bsslist:
4514 remove_proc_entry("APList", apriv->proc_entry);
4515fail_aplist:
4516 remove_proc_entry("SSID", apriv->proc_entry);
4517fail_ssid:
4518 remove_proc_entry("Config", apriv->proc_entry);
4519fail_config:
4520 remove_proc_entry("Status", apriv->proc_entry);
4521fail_status:
4522 remove_proc_entry("Stats", apriv->proc_entry);
4523fail_stats:
4524 remove_proc_entry("StatsDelta", apriv->proc_entry);
4525fail_stats_delta:
4526 remove_proc_entry(apriv->proc_name, airo_entry);
4527fail:
4528 return -ENOMEM;
1da177e4
LT		 4529}
4530
4531static int takedown_proc_entry( struct net_device *dev,
4532 struct airo_info *apriv ) {
4533 if ( !apriv->proc_entry->namelen ) return 0;
4534 remove_proc_entry("Stats",apriv->proc_entry);
4535 remove_proc_entry("StatsDelta",apriv->proc_entry);
4536 remove_proc_entry("Status",apriv->proc_entry);
4537 remove_proc_entry("Config",apriv->proc_entry);
4538 remove_proc_entry("SSID",apriv->proc_entry);
4539 remove_proc_entry("APList",apriv->proc_entry);
4540 remove_proc_entry("BSSList",apriv->proc_entry);
4541 remove_proc_entry("WepKey",apriv->proc_entry);
4542 remove_proc_entry(apriv->proc_name,airo_entry);
4543 return 0;
4544}
4545
4546/*
4547 * What we want from the proc_fs is to be able to efficiently read
4548 * and write the configuration. To do this, we want to read the
4549 * configuration when the file is opened and write it when the file is
4550 * closed. So basically we allocate a read buffer at open and fill it
4551 * with data, and allocate a write buffer and read it at close.
4552 */
4553
4554/*
4555 * The read routine is generic, it relies on the preallocated rbuffer
4556 * to supply the data.
4557 */
4558static ssize_t proc_read( struct file *file,
4559 char __user *buffer,
4560 size_t len,
4561 loff_t *offset )
4562{
4563 loff_t pos = *offset;
4564 struct proc_data *priv = (struct proc_data*)file->private_data;
4565
4566 if (!priv->rbuffer)
4567 return -EINVAL;
4568
4569 if (pos < 0)
4570 return -EINVAL;
4571 if (pos >= priv->readlen)
4572 return 0;
4573 if (len > priv->readlen - pos)
4574 len = priv->readlen - pos;
4575 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4576 return -EFAULT;
4577 *offset = pos + len;
4578 return len;
4579}
4580
4581/*
4582 * The write routine is generic, it fills in a preallocated rbuffer
4583 * to supply the data.
4584 */
4585static ssize_t proc_write( struct file *file,
4586 const char __user *buffer,
4587 size_t len,
4588 loff_t *offset )
4589{
4590 loff_t pos = *offset;
4591 struct proc_data *priv = (struct proc_data*)file->private_data;
4592
4593 if (!priv->wbuffer)
4594 return -EINVAL;
4595
4596 if (pos < 0)
4597 return -EINVAL;
4598 if (pos >= priv->maxwritelen)
4599 return 0;
4600 if (len > priv->maxwritelen - pos)
4601 len = priv->maxwritelen - pos;
4602 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4603 return -EFAULT;
4604 if ( pos + len > priv->writelen )
4605 priv->writelen = len + file->f_pos;
4606 *offset = pos + len;
4607 return len;
4608}
4609
329e2c00
AV		 4610static int proc_status_open(struct inode *inode, struct file *file)
4611{
1da177e4
LT		 4612 struct proc_data *data;
4613 struct proc_dir_entry *dp = PDE(inode);
4614 struct net_device *dev = dp->data;
4615 struct airo_info *apriv = dev->priv;
4616 CapabilityRid cap_rid;
4617 StatusRid status_rid;
329e2c00 4618 u16 mode;
1da177e4
LT		 4619 int i;
4620
b69a3aa8 4621 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4622 return -ENOMEM;
1da177e4
LT		 4623 data = (struct proc_data *)file->private_data;
4624 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4625 kfree (file->private_data);
4626 return -ENOMEM;
4627 }
4628
4629 readStatusRid(apriv, &status_rid, 1);
4630 readCapabilityRid(apriv, &cap_rid, 1);
4631
329e2c00
AV		 4632 mode = le16_to_cpu(status_rid.mode);
4633
1da177e4 4634 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4635 mode & 1 ? "CFG ": "",
4636 mode & 2 ? "ACT ": "",
4637 mode & 0x10 ? "SYN ": "",
4638 mode & 0x20 ? "LNK ": "",
4639 mode & 0x40 ? "LEAP ": "",
4640 mode & 0x80 ? "PRIV ": "",
4641 mode & 0x100 ? "KEY ": "",
4642 mode & 0x200 ? "WEP ": "",
4643 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4644 sprintf( data->rbuffer+i, "Mode: %x\n"
4645 "Signal Strength: %d\n"
4646 "Signal Quality: %d\n"
4647 "SSID: %-.*s\n"
4648 "AP: %-.16s\n"
4649 "Freq: %d\n"
4650 "BitRate: %dmbs\n"
4651 "Driver Version: %s\n"
4652 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4653 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4654 "Software Version: %x\nSoftware Subversion: %x\n"
4655 "Boot block version: %x\n",
329e2c00
AV		 4656 le16_to_cpu(status_rid.mode),
4657 le16_to_cpu(status_rid.normalizedSignalStrength),
4658 le16_to_cpu(status_rid.signalQuality),
4659 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4660 status_rid.SSID,
4661 status_rid.apName,
329e2c00
AV		 4662 le16_to_cpu(status_rid.channel),
4663 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4664 version,
4665 cap_rid.prodName,
4666 cap_rid.manName,
4667 cap_rid.prodVer,
56d81bd3
AV		 4668 le16_to_cpu(cap_rid.radioType),
4669 le16_to_cpu(cap_rid.country),
4670 le16_to_cpu(cap_rid.hardVer),
4671 le16_to_cpu(cap_rid.softVer),
4672 le16_to_cpu(cap_rid.softSubVer),
4673 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4674 data->readlen = strlen( data->rbuffer );
4675 return 0;
4676}
4677
4678static int proc_stats_rid_open(struct inode*, struct file*, u16);
4679static int proc_statsdelta_open( struct inode *inode,
4680 struct file *file ) {
4681 if (file->f_mode&FMODE_WRITE) {
4682 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4683 }
4684 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4685}
4686
4687static int proc_stats_open( struct inode *inode, struct file *file ) {
4688 return proc_stats_rid_open(inode, file, RID_STATS);
4689}
4690
4691static int proc_stats_rid_open( struct inode *inode,
4692 struct file *file,
a23ace5f
AV		 4693 u16 rid )
4694{
1da177e4
LT		 4695 struct proc_data *data;
4696 struct proc_dir_entry *dp = PDE(inode);
4697 struct net_device *dev = dp->data;
4698 struct airo_info *apriv = dev->priv;
4699 StatsRid stats;
4700 int i, j;
a23ace5f
AV		 4701 __le32 *vals = stats.vals;
4702 int len = le16_to_cpu(stats.len);
1da177e4 4703
b69a3aa8 4704 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4705 return -ENOMEM;
1da177e4
LT		 4706 data = (struct proc_data *)file->private_data;
4707 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4708 kfree (file->private_data);
4709 return -ENOMEM;
4710 }
4711
4712 readStatsRid(apriv, &stats, rid, 1);
4713
4714 j = 0;
a23ace5f 4715 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4716 if (!statsLabels[i]) continue;
4717 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4718 airo_print_warn(apriv->dev->name,
4719 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4720 break;
4721 }
a23ace5f
AV		 4722 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4723 le32_to_cpu(vals[i]));
1da177e4 4724 }
a23ace5f 4725 if (i*4 >= len) {
934d8bf1 4726 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4727 }
4728 data->readlen = j;
4729 return 0;
4730}
4731
4732static int get_dec_u16( char *buffer, int *start, int limit ) {
4733 u16 value;
4734 int valid = 0;
4735 for( value = 0; buffer[*start] >= '0' &&
4736 buffer[*start] <= '9' &&
4737 *start < limit; (*start)++ ) {
4738 valid = 1;
4739 value *= 10;
4740 value += buffer[*start] - '0';
4741 }
4742 if ( !valid ) return -1;
4743 return value;
4744}
4745
4746static int airo_config_commit(struct net_device *dev,
4747 struct iw_request_info *info, void *zwrq,
4748 char *extra);
4749
3eb9b41f
AV		 4750static inline int sniffing_mode(struct airo_info *ai)
4751{
4752 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4753 le16_to_cpu(RXMODE_RFMON);
4754}
4755
4756static void proc_config_on_close(struct inode *inode, struct file *file)
4757{
1da177e4
LT		 4758 struct proc_data *data = file->private_data;
4759 struct proc_dir_entry *dp = PDE(inode);
4760 struct net_device *dev = dp->data;
4761 struct airo_info *ai = dev->priv;
4762 char *line;
4763
4764 if ( !data->writelen ) return;
4765
4766 readConfigRid(ai, 1);
4767 set_bit (FLAG_COMMIT, &ai->flags);
4768
4769 line = data->wbuffer;
4770 while( line[0] ) {
4771/*** Mode processing */
4772 if ( !strncmp( line, "Mode: ", 6 ) ) {
4773 line += 6;
3eb9b41f
AV		 4774 if (sniffing_mode(ai))
4775 set_bit (FLAG_RESET, &ai->flags);
4776 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4777 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4778 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4779 ai->config.scanMode = SCANMODE_ACTIVE;
4780 if ( line[0] == 'a' ) {
3eb9b41f 4781 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4782 } else {
3eb9b41f 4783 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4784 if ( line[0] == 'r' ) {
4785 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4786 ai->config.scanMode = SCANMODE_PASSIVE;
4787 set_bit (FLAG_802_11, &ai->flags);
4788 } else if ( line[0] == 'y' ) {
4789 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4790 ai->config.scanMode = SCANMODE_PASSIVE;
4791 set_bit (FLAG_802_11, &ai->flags);
4792 } else if ( line[0] == 'l' )
4793 ai->config.rmode |= RXMODE_LANMON;
4794 }
4795 set_bit (FLAG_COMMIT, &ai->flags);
4796 }
4797
4798/*** Radio status */
4799 else if (!strncmp(line,"Radio: ", 7)) {
4800 line += 7;
4801 if (!strncmp(line,"off",3)) {
4802 set_bit (FLAG_RADIO_OFF, &ai->flags);
4803 } else {
4804 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4805 }
4806 }
4807/*** NodeName processing */
4808 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4809 int j;
4810
4811 line += 10;
4812 memset( ai->config.nodeName, 0, 16 );
4813/* Do the name, assume a space between the mode and node name */
4814 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4815 ai->config.nodeName[j] = line[j];
4816 }
4817 set_bit (FLAG_COMMIT, &ai->flags);
4818 }
4819
4820/*** PowerMode processing */
4821 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4822 line += 11;
4823 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4824 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826 } else if ( !strncmp( line, "PSP", 3 ) ) {
4827 ai->config.powerSaveMode = POWERSAVE_PSP;
4828 set_bit (FLAG_COMMIT, &ai->flags);
4829 } else {
4830 ai->config.powerSaveMode = POWERSAVE_CAM;
4831 set_bit (FLAG_COMMIT, &ai->flags);
4832 }
4833 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4834 int v, i = 0, k = 0; /* i is index into line,
4835 k is index to rates */
4836
4837 line += 11;
4838 while((v = get_dec_u16(line, &i, 3))!=-1) {
4839 ai->config.rates[k++] = (u8)v;
4840 line += i + 1;
4841 i = 0;
4842 }
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4845 int v, i = 0;
4846 line += 9;
4847 v = get_dec_u16(line, &i, i+3);
4848 if ( v != -1 ) {
3eb9b41f 4849 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4850 set_bit (FLAG_COMMIT, &ai->flags);
4851 }
4852 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4853 int v, i = 0;
4854 line += 11;
4855 v = get_dec_u16(line, &i, i+3);
4856 if ( v != -1 ) {
3eb9b41f 4857 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4858 set_bit (FLAG_COMMIT, &ai->flags);
4859 }
4860 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4861 line += 5;
4862 switch( line[0] ) {
4863 case 's':
3eb9b41f 4864 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4865 break;
4866 case 'e':
3eb9b41f 4867 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4868 break;
4869 default:
3eb9b41f 4870 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4871 break;
4872 }
4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4875 int v, i = 0;
4876
4877 line += 16;
4878 v = get_dec_u16(line, &i, 3);
4879 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4880 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4881 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4883 int v, i = 0;
4884
4885 line += 17;
4886 v = get_dec_u16(line, &i, 3);
4887 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4888 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4889 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4891 int v, i = 0;
4892
4893 line += 14;
4894 v = get_dec_u16(line, &i, 4);
15db2763 4895 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4896 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4899 int v, i = 0;
4900
4901 line += 16;
4902 v = get_dec_u16(line, &i, 5);
4903 v = (v<0) ? 0 : v;
3eb9b41f 4904 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4907 int v, i = 0;
4908
4909 line += 16;
4910 v = get_dec_u16(line, &i, 5);
4911 v = (v<0) ? 0 : v;
3eb9b41f 4912 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4913 set_bit (FLAG_COMMIT, &ai->flags);
4914 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4915 ai->config.txDiversity =
4916 (line[13]=='l') ? 1 :
4917 ((line[13]=='r')? 2: 3);
4918 set_bit (FLAG_COMMIT, &ai->flags);
4919 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4920 ai->config.rxDiversity =
4921 (line[13]=='l') ? 1 :
4922 ((line[13]=='r')? 2: 3);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4925 int v, i = 0;
4926
4927 line += 15;
4928 v = get_dec_u16(line, &i, 4);
15db2763 4929 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4930 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4931 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if (!strncmp(line, "Modulation: ", 12)) {
4934 line += 12;
4935 switch(*line) {
4936 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4937 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4938 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4939 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4940 }
4941 } else if (!strncmp(line, "Preamble: ", 10)) {
4942 line += 10;
4943 switch(*line) {
4944 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4945 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4946 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4947 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 4948 }
4949 } else {
934d8bf1 4950 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 4951 }
4952 while( line[0] && line[0] != '\n' ) line++;
4953 if ( line[0] ) line++;
4954 }
4955 airo_config_commit(dev, NULL, NULL, NULL);
4956}
4957
3eb9b41f
AV		 4958static char *get_rmode(__le16 mode)
4959{
4960 switch(mode & RXMODE_MASK) {
1da177e4
LT		 4961 case RXMODE_RFMON: return "rfmon";
4962 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4963 case RXMODE_LANMON: return "lanmon";
4964 }
4965 return "ESS";
4966}
4967
3eb9b41f
AV		 4968static int proc_config_open(struct inode *inode, struct file *file)
4969{
1da177e4
LT		 4970 struct proc_data *data;
4971 struct proc_dir_entry *dp = PDE(inode);
4972 struct net_device *dev = dp->data;
4973 struct airo_info *ai = dev->priv;
4974 int i;
3eb9b41f 4975 __le16 mode;
1da177e4 4976
b69a3aa8 4977 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4978 return -ENOMEM;
1da177e4
LT		 4979 data = (struct proc_data *)file->private_data;
4980 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4981 kfree (file->private_data);
4982 return -ENOMEM;
4983 }
b69a3aa8 4984 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 4985 kfree (data->rbuffer);
4986 kfree (file->private_data);
4987 return -ENOMEM;
4988 }
1da177e4
LT		 4989 data->maxwritelen = 2048;
4990 data->on_close = proc_config_on_close;
4991
4992 readConfigRid(ai, 1);
4993
3eb9b41f 4994 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 4995 i = sprintf( data->rbuffer,
4996 "Mode: %s\n"
4997 "Radio: %s\n"
4998 "NodeName: %-16s\n"
4999 "PowerMode: %s\n"
5000 "DataRates: %d %d %d %d %d %d %d %d\n"
5001 "Channel: %d\n"
5002 "XmitPower: %d\n",
3eb9b41f
AV		 5003 mode == MODE_STA_IBSS ? "adhoc" :
5004 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5005 mode == MODE_AP ? "AP" :
5006 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5007 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5008 ai->config.nodeName,
3eb9b41f
AV		 5009 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5010 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5011 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5012 "Error",
1da177e4
LT		 5013 (int)ai->config.rates[0],
5014 (int)ai->config.rates[1],
5015 (int)ai->config.rates[2],
5016 (int)ai->config.rates[3],
5017 (int)ai->config.rates[4],
5018 (int)ai->config.rates[5],
5019 (int)ai->config.rates[6],
5020 (int)ai->config.rates[7],
3eb9b41f
AV		 5021 le16_to_cpu(ai->config.channelSet),
5022 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5023 );
5024 sprintf( data->rbuffer + i,
5025 "LongRetryLimit: %d\n"
5026 "ShortRetryLimit: %d\n"
5027 "RTSThreshold: %d\n"
5028 "TXMSDULifetime: %d\n"
5029 "RXMSDULifetime: %d\n"
5030 "TXDiversity: %s\n"
5031 "RXDiversity: %s\n"
5032 "FragThreshold: %d\n"
5033 "WEP: %s\n"
5034 "Modulation: %s\n"
5035 "Preamble: %s\n",
3eb9b41f
AV		 5036 le16_to_cpu(ai->config.longRetryLimit),
5037 le16_to_cpu(ai->config.shortRetryLimit),
5038 le16_to_cpu(ai->config.rtsThres),
5039 le16_to_cpu(ai->config.txLifetime),
5040 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5041 ai->config.txDiversity == 1 ? "left" :
5042 ai->config.txDiversity == 2 ? "right" : "both",
5043 ai->config.rxDiversity == 1 ? "left" :
5044 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5045 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5046 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5047 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5048 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5049 ai->config.modulation == MOD_CCK ? "cck" :
5050 ai->config.modulation == MOD_MOK ? "mok" : "error",
5051 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5052 ai->config.preamble == PREAMBLE_LONG ? "long" :
5053 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5054 );
5055 data->readlen = strlen( data->rbuffer );
5056 return 0;
5057}
5058
0dd2212f
AV		 5059static void proc_SSID_on_close(struct inode *inode, struct file *file)
5060{
1da177e4
LT		 5061 struct proc_data *data = (struct proc_data *)file->private_data;
5062 struct proc_dir_entry *dp = PDE(inode);
5063 struct net_device *dev = dp->data;
5064 struct airo_info *ai = dev->priv;
5065 SsidRid SSID_rid;
1da177e4 5066 int i;
0dd2212f
AV		 5067 char *p = data->wbuffer;
5068 char *end = p + data->writelen;
1da177e4 5069
0dd2212f
AV		 5070 if (!data->writelen)
5071 return;
1da177e4 5072
0dd2212f 5073 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5074
0dd2212f
AV		 5075 memset(&SSID_rid, 0, sizeof(SSID_rid));
5076
5077 for (i = 0; i < 3 && p < end; i++) {
5078 int j = 0;
5079 /* copy up to 32 characters from this line */
5080 while (*p != '\n' && j < 32)
5081 SSID_rid.ssids[i].ssid[j++] = *p++;
5082 if (j == 0)
5083 break;
5084 SSID_rid.ssids[i].len = cpu_to_le16(j);
5085 /* skip to the beginning of the next line */
5086 while (*p++ != '\n')
5087 ;
1da177e4
LT		 5088 }
5089 if (i)
0dd2212f 5090 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5091 disable_MAC(ai, 1);
5092 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5093 enable_MAC(ai, 1);
1da177e4
LT		 5094}
5095
77933d72 5096static inline u8 hexVal(char c) {
1da177e4
LT		 5097 if (c>='0' && c<='9') return c -= '0';
5098 if (c>='a' && c<='f') return c -= 'a'-10;
5099 if (c>='A' && c<='F') return c -= 'A'-10;
5100 return 0;
5101}
5102
5103static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5104 struct proc_data *data = (struct proc_data *)file->private_data;
5105 struct proc_dir_entry *dp = PDE(inode);
5106 struct net_device *dev = dp->data;
5107 struct airo_info *ai = dev->priv;
5108 APListRid APList_rid;
1da177e4
LT		 5109 int i;
5110
5111 if ( !data->writelen ) return;
5112
5113 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5114 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5115
5116 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5117 int j;
5118 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5119 switch(j%3) {
5120 case 0:
5121 APList_rid.ap[i][j/3]=
5122 hexVal(data->wbuffer[j+i*6*3])<<4;
5123 break;
5124 case 1:
5125 APList_rid.ap[i][j/3]|=
5126 hexVal(data->wbuffer[j+i*6*3]);
5127 break;
5128 }
5129 }
5130 }
5131 disable_MAC(ai, 1);
5132 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5133 enable_MAC(ai, 1);
1da177e4
LT		 5134}
5135
5136/* This function wraps PC4500_writerid with a MAC disable */
5137static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5138 int len, int dummy ) {
5139 int rc;
1da177e4
LT		 5140
5141 disable_MAC(ai, 1);
5142 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5143 enable_MAC(ai, 1);
1da177e4
LT		 5144 return rc;
5145}
5146
5147/* Returns the length of the key at the index. If index == 0xffff
5148 * the index of the transmit key is returned. If the key doesn't exist,
5149 * -1 will be returned.
5150 */
5151static int get_wep_key(struct airo_info *ai, u16 index) {
5152 WepKeyRid wkr;
5153 int rc;
4293ea33 5154 __le16 lastindex;
1da177e4
LT		 5155
5156 rc = readWepKeyRid(ai, &wkr, 1, 1);
5157 if (rc == SUCCESS) do {
5158 lastindex = wkr.kindex;
4293ea33 5159 if (wkr.kindex == cpu_to_le16(index)) {
1da177e4
LT		 5160 if (index == 0xffff) {
5161 return wkr.mac[0];
5162 }
4293ea33 5163 return le16_to_cpu(wkr.klen);
1da177e4
LT		 5164 }
5165 readWepKeyRid(ai, &wkr, 0, 1);
4293ea33 5166 } while (lastindex != wkr.kindex);
1da177e4
LT		 5167 return -1;
5168}
5169
5170static int set_wep_key(struct airo_info *ai, u16 index,
4293ea33
AV		 5171 const char *key, u16 keylen, int perm, int lock )
5172{
1da177e4
LT		 5173 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5174 WepKeyRid wkr;
1da177e4
LT		 5175
5176 memset(&wkr, 0, sizeof(wkr));
5177 if (keylen == 0) {
5178// We are selecting which key to use
4293ea33
AV		 5179 wkr.len = cpu_to_le16(sizeof(wkr));
5180 wkr.kindex = cpu_to_le16(0xffff);
1da177e4 5181 wkr.mac[0] = (char)index;
1da177e4
LT		 5182 if (perm) ai->defindex = (char)index;
5183 } else {
5184// We are actually setting the key
4293ea33
AV		 5185 wkr.len = cpu_to_le16(sizeof(wkr));
5186 wkr.kindex = cpu_to_le16(index);
5187 wkr.klen = cpu_to_le16(keylen);
1da177e4
LT		 5188 memcpy( wkr.key, key, keylen );
5189 memcpy( wkr.mac, macaddr, ETH_ALEN );
1da177e4
LT		 5190 }
5191
f89b2321 5192 if (perm) disable_MAC(ai, lock);
1da177e4 5193 writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5194 if (perm) enable_MAC(ai, lock);
1da177e4
LT		 5195 return 0;
5196}
5197
5198static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5199 struct proc_data *data;
5200 struct proc_dir_entry *dp = PDE(inode);
5201 struct net_device *dev = dp->data;
5202 struct airo_info *ai = dev->priv;
5203 int i;
5204 char key[16];
5205 u16 index = 0;
5206 int j = 0;
5207
5208 memset(key, 0, sizeof(key));
5209
5210 data = (struct proc_data *)file->private_data;
5211 if ( !data->writelen ) return;
5212
5213 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5214 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5215 index = data->wbuffer[0] - '0';
5216 if (data->wbuffer[1] == '\n') {
5217 set_wep_key(ai, index, NULL, 0, 1, 1);
5218 return;
5219 }
5220 j = 2;
5221 } else {
934d8bf1 5222 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5223 return;
5224 }
5225
5226 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5227 switch(i%3) {
5228 case 0:
5229 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5230 break;
5231 case 1:
5232 key[i/3] |= hexVal(data->wbuffer[i+j]);
5233 break;
5234 }
5235 }
5236 set_wep_key(ai, index, key, i/3, 1, 1);
5237}
5238
4293ea33
AV		 5239static int proc_wepkey_open( struct inode *inode, struct file *file )
5240{
1da177e4
LT		 5241 struct proc_data *data;
5242 struct proc_dir_entry *dp = PDE(inode);
5243 struct net_device *dev = dp->data;
5244 struct airo_info *ai = dev->priv;
5245 char *ptr;
5246 WepKeyRid wkr;
4293ea33 5247 __le16 lastindex;
1da177e4
LT		 5248 int j=0;
5249 int rc;
5250
b69a3aa8 5251 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5252 return -ENOMEM;
1da177e4
LT		 5253 memset(&wkr, 0, sizeof(wkr));
5254 data = (struct proc_data *)file->private_data;
b69a3aa8 5255 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5256 kfree (file->private_data);
5257 return -ENOMEM;
5258 }
1da177e4
LT		 5259 data->writelen = 0;
5260 data->maxwritelen = 80;
b69a3aa8 5261 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5262 kfree (data->rbuffer);
5263 kfree (file->private_data);
5264 return -ENOMEM;
5265 }
1da177e4
LT		 5266 data->on_close = proc_wepkey_on_close;
5267
5268 ptr = data->rbuffer;
5269 strcpy(ptr, "No wep keys\n");
5270 rc = readWepKeyRid(ai, &wkr, 1, 1);
5271 if (rc == SUCCESS) do {
5272 lastindex = wkr.kindex;
4293ea33 5273 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5274 j += sprintf(ptr+j, "Tx key = %d\n",
5275 (int)wkr.mac[0]);
5276 } else {
5277 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5278 le16_to_cpu(wkr.kindex),
5279 le16_to_cpu(wkr.klen));
1da177e4
LT		 5280 }
5281 readWepKeyRid(ai, &wkr, 0, 1);
5282 } while((lastindex != wkr.kindex) && (j < 180-30));
5283
5284 data->readlen = strlen( data->rbuffer );
5285 return 0;
5286}
5287
0dd2212f
AV		 5288static int proc_SSID_open(struct inode *inode, struct file *file)
5289{
1da177e4
LT		 5290 struct proc_data *data;
5291 struct proc_dir_entry *dp = PDE(inode);
5292 struct net_device *dev = dp->data;
5293 struct airo_info *ai = dev->priv;
5294 int i;
5295 char *ptr;
5296 SsidRid SSID_rid;
5297
b69a3aa8 5298 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5299 return -ENOMEM;
1da177e4
LT		 5300 data = (struct proc_data *)file->private_data;
5301 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5302 kfree (file->private_data);
5303 return -ENOMEM;
5304 }
5305 data->writelen = 0;
5306 data->maxwritelen = 33*3;
0dd2212f
AV		 5307 /* allocate maxwritelen + 1; we'll want a sentinel */
5308 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5309 kfree (data->rbuffer);
5310 kfree (file->private_data);
5311 return -ENOMEM;
5312 }
1da177e4
LT		 5313 data->on_close = proc_SSID_on_close;
5314
5315 readSsidRid(ai, &SSID_rid);
5316 ptr = data->rbuffer;
0dd2212f 5317 for (i = 0; i < 3; i++) {
1da177e4 5318 int j;
0dd2212f
AV		 5319 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5320 if (!len)
5321 break;
5322 if (len > 32)
5323 len = 32;
5324 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5325 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5326 *ptr++ = '\n';
5327 }
5328 *ptr = '\0';
5329 data->readlen = strlen( data->rbuffer );
5330 return 0;
5331}
5332
5333static int proc_APList_open( struct inode *inode, struct file *file ) {
5334 struct proc_data *data;
5335 struct proc_dir_entry *dp = PDE(inode);
5336 struct net_device *dev = dp->data;
5337 struct airo_info *ai = dev->priv;
5338 int i;
5339 char *ptr;
5340 APListRid APList_rid;
0795af57 5341 DECLARE_MAC_BUF(mac);
1da177e4 5342
b69a3aa8 5343 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5344 return -ENOMEM;
1da177e4
LT		 5345 data = (struct proc_data *)file->private_data;
5346 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5347 kfree (file->private_data);
5348 return -ENOMEM;
5349 }
5350 data->writelen = 0;
5351 data->maxwritelen = 4*6*3;
b69a3aa8 5352 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5353 kfree (data->rbuffer);
5354 kfree (file->private_data);
5355 return -ENOMEM;
5356 }
1da177e4
LT		 5357 data->on_close = proc_APList_on_close;
5358
5359 readAPListRid(ai, &APList_rid);
5360 ptr = data->rbuffer;
5361 for( i = 0; i < 4; i++ ) {
5362// We end when we find a zero MAC
5363 if ( !*(int*)APList_rid.ap[i] &&
5364 !*(int*)&APList_rid.ap[i][2]) break;
0795af57
JP		 5365 ptr += sprintf(ptr, "%s\n",
5366 print_mac(mac, APList_rid.ap[i]));
1da177e4
LT		 5367 }
5368 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5369
5370 *ptr = '\0';
5371 data->readlen = strlen( data->rbuffer );
5372 return 0;
5373}
5374
5375static int proc_BSSList_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 char *ptr;
5381 BSSListRid BSSList_rid;
5382 int rc;
5383 /* If doLoseSync is not 1, we won't do a Lose Sync */
5384 int doLoseSync = -1;
0795af57 5385 DECLARE_MAC_BUF(mac);
1da177e4 5386
b69a3aa8 5387 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5388 return -ENOMEM;
1da177e4
LT		 5389 data = (struct proc_data *)file->private_data;
5390 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5391 kfree (file->private_data);
5392 return -ENOMEM;
5393 }
5394 data->writelen = 0;
5395 data->maxwritelen = 0;
5396 data->wbuffer = NULL;
5397 data->on_close = NULL;
5398
5399 if (file->f_mode & FMODE_WRITE) {
5400 if (!(file->f_mode & FMODE_READ)) {
5401 Cmd cmd;
5402 Resp rsp;
5403
5404 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5405 memset(&cmd, 0, sizeof(cmd));
5406 cmd.cmd=CMD_LISTBSS;
5407 if (down_interruptible(&ai->sem))
5408 return -ERESTARTSYS;
5409 issuecommand(ai, &cmd, &rsp);
5410 up(&ai->sem);
5411 data->readlen = 0;
5412 return 0;
5413 }
5414 doLoseSync = 1;
5415 }
5416 ptr = data->rbuffer;
5417 /* There is a race condition here if there are concurrent opens.
5418 Since it is a rare condition, we'll just live with it, otherwise
5419 we have to add a spin lock... */
5420 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5421 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
0795af57
JP		 5422 ptr += sprintf(ptr, "%s %*s rssi = %d",
5423 print_mac(mac, BSSList_rid.bssid),
1da177e4
LT		 5424 (int)BSSList_rid.ssidLen,
5425 BSSList_rid.ssid,
17e70491 5426 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5427 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5428 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5429 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5430 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5431 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5432 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5433 rc = readBSSListRid(ai, 0, &BSSList_rid);
5434 }
5435 *ptr = '\0';
5436 data->readlen = strlen( data->rbuffer );
5437 return 0;
5438}
5439
5440static int proc_close( struct inode *inode, struct file *file )
5441{
b4558ea9
JJ		 5442 struct proc_data *data = file->private_data;
5443
5444 if (data->on_close != NULL)
5445 data->on_close(inode, file);
5446 kfree(data->rbuffer);
5447 kfree(data->wbuffer);
5448 kfree(data);
1da177e4
LT		 5449 return 0;
5450}
5451
1da177e4
LT		 5452/* Since the card doesn't automatically switch to the right WEP mode,
5453 we will make it do it. If the card isn't associated, every secs we
5454 will switch WEP modes to see if that will help. If the card is
5455 associated we will check every minute to see if anything has
5456 changed. */
5457static void timer_func( struct net_device *dev ) {
5458 struct airo_info *apriv = dev->priv;
1da177e4
LT		 5459
5460/* We don't have a link so try changing the authtype */
5461 readConfigRid(apriv, 0);
5462 disable_MAC(apriv, 0);
5463 switch(apriv->config.authType) {
5464 case AUTH_ENCRYPT:
5465/* So drop to OPEN */
5466 apriv->config.authType = AUTH_OPEN;
5467 break;
5468 case AUTH_SHAREDKEY:
5469 if (apriv->keyindex < auto_wep) {
5470 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5471 apriv->config.authType = AUTH_SHAREDKEY;
5472 apriv->keyindex++;
5473 } else {
5474 /* Drop to ENCRYPT */
5475 apriv->keyindex = 0;
5476 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5477 apriv->config.authType = AUTH_ENCRYPT;
5478 }
5479 break;
5480 default: /* We'll escalate to SHAREDKEY */
5481 apriv->config.authType = AUTH_SHAREDKEY;
5482 }
5483 set_bit (FLAG_COMMIT, &apriv->flags);
5484 writeConfigRid(apriv, 0);
175ec1a1 5485 enable_MAC(apriv, 0);
1da177e4
LT		 5486 up(&apriv->sem);
5487
5488/* Schedule check to see if the change worked */
3c304956 5489 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5490 apriv->expires = RUN_AT(HZ*3);
5491}
5492
1da177e4
LT		 5493#ifdef CONFIG_PCI
5494static int __devinit airo_pci_probe(struct pci_dev *pdev,
5495 const struct pci_device_id *pent)
5496{
5497 struct net_device *dev;
5498
5499 if (pci_enable_device(pdev))
5500 return -ENODEV;
5501 pci_set_master(pdev);
5502
5503 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5504 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5505 else
5506 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5507 if (!dev) {
5508 pci_disable_device(pdev);
1da177e4 5509 return -ENODEV;
777ec5e9 5510 }
1da177e4
LT		 5511
5512 pci_set_drvdata(pdev, dev);
5513 return 0;
5514}
5515
5516static void __devexit airo_pci_remove(struct pci_dev *pdev)
5517{
af5b5c9a
MS		 5518 struct net_device *dev = pci_get_drvdata(pdev);
5519
5520 airo_print_info(dev->name, "Unregistering...");
5521 stop_airo_card(dev, 1);
777ec5e9
MS		 5522 pci_disable_device(pdev);
5523 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5524}
5525
05adc3b7 5526static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5527{
5528 struct net_device *dev = pci_get_drvdata(pdev);
5529 struct airo_info *ai = dev->priv;
5530 Cmd cmd;
5531 Resp rsp;
5532
5533 if ((ai->APList == NULL) &&
5534 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5535 return -ENOMEM;
5536 if ((ai->SSID == NULL) &&
5537 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5538 return -ENOMEM;
5539 readAPListRid(ai, ai->APList);
5540 readSsidRid(ai, ai->SSID);
5541 memset(&cmd, 0, sizeof(cmd));
5542 /* the lock will be released at the end of the resume callback */
5543 if (down_interruptible(&ai->sem))
5544 return -EAGAIN;
5545 disable_MAC(ai, 0);
5546 netif_device_detach(dev);
5547 ai->power = state;
5548 cmd.cmd=HOSTSLEEP;
5549 issuecommand(ai, &cmd, &rsp);
5550
1cc68ae0 5551 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5552 pci_save_state(pdev);
1cc68ae0 5553 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5554}
5555
5556static int airo_pci_resume(struct pci_dev *pdev)
5557{
5558 struct net_device *dev = pci_get_drvdata(pdev);
5559 struct airo_info *ai = dev->priv;
53232803 5560 pci_power_t prev_state = pdev->current_state;
1da177e4 5561
53232803 5562 pci_set_power_state(pdev, PCI_D0);
1da177e4 5563 pci_restore_state(pdev);
53232803 5564 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5565
53232803 5566 if (prev_state != PCI_D1) {
1da177e4
LT		 5567 reset_card(dev, 0);
5568 mpi_init_descriptors(ai);
5569 setup_card(ai, dev->dev_addr, 0);
5570 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5571 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5572 } else {
5573 OUT4500(ai, EVACK, EV_AWAKEN);
5574 OUT4500(ai, EVACK, EV_AWAKEN);
5575 msleep(100);
5576 }
5577
5578 set_bit (FLAG_COMMIT, &ai->flags);
5579 disable_MAC(ai, 0);
5580 msleep(200);
5581 if (ai->SSID) {
5582 writeSsidRid(ai, ai->SSID, 0);
5583 kfree(ai->SSID);
5584 ai->SSID = NULL;
5585 }
5586 if (ai->APList) {
5587 writeAPListRid(ai, ai->APList, 0);
5588 kfree(ai->APList);
5589 ai->APList = NULL;
5590 }
5591 writeConfigRid(ai, 0);
175ec1a1 5592 enable_MAC(ai, 0);
1cc68ae0 5593 ai->power = PMSG_ON;
1da177e4
LT		 5594 netif_device_attach(dev);
5595 netif_wake_queue(dev);
5596 enable_interrupts(ai);
5597 up(&ai->sem);
5598 return 0;
5599}
5600#endif
5601
5602static int __init airo_init_module( void )
5603{
de897881
JG		 5604 int i;
5605#if 0
5606 int have_isa_dev = 0;
5607#endif
1da177e4 5608
928b4d8c 5609 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5610 S_IFDIR | airo_perm,
928b4d8c 5611 NULL);
de897881
JG		 5612
5613 if (airo_entry) {
5614 airo_entry->uid = proc_uid;
5615 airo_entry->gid = proc_gid;
5616 }
1da177e4
LT		 5617
5618 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
934d8bf1
DW		 5619 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5620 "io=0x%x", irq[i], io[i] );
1da177e4 5621 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5622#if 0
1da177e4 5623 have_isa_dev = 1;
de897881
JG		 5624#else
5625 /* do nothing */ ;
5626#endif
1da177e4
LT		 5627 }
5628
5629#ifdef CONFIG_PCI
934d8bf1 5630 airo_print_info("", "Probing for PCI adapters");
de897881 5631 i = pci_register_driver(&airo_driver);
934d8bf1 5632 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5633
5634 if (i) {
928b4d8c 5635 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5636 return i;
5637 }
1da177e4
LT		 5638#endif
5639
5640 /* Always exit with success, as we are a library module
5641 * as well as a driver module
5642 */
5643 return 0;
5644}
5645
5646static void __exit airo_cleanup_module( void )
5647{
af5b5c9a
MS		 5648 struct airo_info *ai;
5649 while(!list_empty(&airo_devices)) {
5650 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5651 airo_print_info(ai->dev->name, "Unregistering...");
5652 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5653 }
5654#ifdef CONFIG_PCI
5655 pci_unregister_driver(&airo_driver);
5656#endif
928b4d8c 5657 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5658}
5659
1da177e4
LT		 5660/*
5661 * Initial Wireless Extension code for Aironet driver by :
5662 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5663 * Conversion to new driver API by :
5664 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5665 * Javier also did a good amount of work here, adding some new extensions
5666 * and fixing my code. Let's just say that without him this code just
5667 * would not work at all... - Jean II
5668 */
5669
41480af2
DW		 5670static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5671{
5672 if( !rssi_rid )
5673 return 0;
5674
5675 return (0x100 - rssi_rid[rssi].rssidBm);
5676}
5677
5678static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5679{
5680 int i;
5681
5682 if( !rssi_rid )
5683 return 0;
5684
5685 for( i = 0; i < 256; i++ )
5686 if (rssi_rid[i].rssidBm == dbm)
5687 return rssi_rid[i].rssipct;
5688
5689 return 0;
5690}
5691
5692
1da177e4
LT		 5693static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5694{
5695 int quality = 0;
329e2c00 5696 u16 sq;
1da177e4 5697
329e2c00 5698 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5699 return 0;
5700
5701 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5702 return 0;
5703
329e2c00 5704 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5705 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5706 if (sq > 0x20)
56d81bd3 5707 quality = 0;
1da177e4 5708 else
329e2c00 5709 quality = 0x20 - sq;
56d81bd3 5710 else
329e2c00 5711 if (sq > 0xb0)
56d81bd3 5712 quality = 0;
329e2c00 5713 else if (sq < 0x10)
56d81bd3
AV		 5714 quality = 0xa0;
5715 else
329e2c00 5716 quality = 0xb0 - sq;
1da177e4
LT		 5717 return quality;
5718}
5719
5720#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5721#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5722
5723/*------------------------------------------------------------------*/
5724/*
5725 * Wireless Handler : get protocol name
5726 */
5727static int airo_get_name(struct net_device *dev,
5728 struct iw_request_info *info,
5729 char *cwrq,
5730 char *extra)
5731{
5732 strcpy(cwrq, "IEEE 802.11-DS");
5733 return 0;
5734}
5735
5736/*------------------------------------------------------------------*/
5737/*
5738 * Wireless Handler : set frequency
5739 */
5740static int airo_set_freq(struct net_device *dev,
5741 struct iw_request_info *info,
5742 struct iw_freq *fwrq,
5743 char *extra)
5744{
5745 struct airo_info *local = dev->priv;
5746 int rc = -EINPROGRESS; /* Call commit handler */
5747
5748 /* If setting by frequency, convert to a channel */
5749 if((fwrq->e == 1) &&
5750 (fwrq->m >= (int) 2.412e8) &&
5751 (fwrq->m <= (int) 2.487e8)) {
5752 int f = fwrq->m / 100000;
5753 int c = 0;
5754 while((c < 14) && (f != frequency_list[c]))
5755 c++;
5756 /* Hack to fall through... */
5757 fwrq->e = 0;
5758 fwrq->m = c + 1;
5759 }
5760 /* Setting by channel number */
5761 if((fwrq->m > 1000) || (fwrq->e > 0))
5762 rc = -EOPNOTSUPP;
5763 else {
5764 int channel = fwrq->m;
5765 /* We should do a better check than that,
5766 * based on the card capability !!! */
2610c733 5767 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5768 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5769 fwrq->m);
1da177e4
LT		 5770 rc = -EINVAL;
5771 } else {
5772 readConfigRid(local, 1);
5773 /* Yes ! We can set it !!! */
3eb9b41f 5774 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5775 set_bit (FLAG_COMMIT, &local->flags);
5776 }
5777 }
5778 return rc;
5779}
5780
5781/*------------------------------------------------------------------*/
5782/*
5783 * Wireless Handler : get frequency
5784 */
5785static int airo_get_freq(struct net_device *dev,
5786 struct iw_request_info *info,
5787 struct iw_freq *fwrq,
5788 char *extra)
5789{
5790 struct airo_info *local = dev->priv;
5791 StatusRid status_rid; /* Card status info */
2610c733 5792 int ch;
1da177e4
LT		 5793
5794 readConfigRid(local, 1);
3eb9b41f
AV		 5795 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5796 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5797 else
5798 readStatusRid(local, &status_rid, 1);
5799
329e2c00 5800 ch = le16_to_cpu(status_rid.channel);
2610c733
JA		 5801 if((ch > 0) && (ch < 15)) {
5802 fwrq->m = frequency_list[ch - 1] * 100000;
1da177e4 5803 fwrq->e = 1;
2610c733
JA		 5804 } else {
5805 fwrq->m = ch;
5806 fwrq->e = 0;
1da177e4 5807 }
1da177e4
LT		 5808
5809 return 0;
5810}
5811
5812/*------------------------------------------------------------------*/
5813/*
5814 * Wireless Handler : set ESSID
5815 */
5816static int airo_set_essid(struct net_device *dev,
5817 struct iw_request_info *info,
5818 struct iw_point *dwrq,
5819 char *extra)
5820{
5821 struct airo_info *local = dev->priv;
1da177e4
LT		 5822 SsidRid SSID_rid; /* SSIDs */
5823
5824 /* Reload the list of current SSID */
5825 readSsidRid(local, &SSID_rid);
5826
5827 /* Check if we asked for `any' */
5828 if(dwrq->flags == 0) {
5829 /* Just send an empty SSID list */
5830 memset(&SSID_rid, 0, sizeof(SSID_rid));
5831 } else {
5832 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5833
5834 /* Check the size of the string */
7f8544cc 5835 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5836 return -E2BIG ;
5837 }
5838 /* Check if index is valid */
5839 if((index < 0) || (index >= 4)) {
5840 return -EINVAL;
5841 }
5842
5843 /* Set the SSID */
5844 memset(SSID_rid.ssids[index].ssid, 0,
5845 sizeof(SSID_rid.ssids[index].ssid));
5846 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5847 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5848 }
0dd2212f 5849 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5850 /* Write it to the card */
5851 disable_MAC(local, 1);
5852 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5853 enable_MAC(local, 1);
1da177e4
LT		 5854
5855 return 0;
5856}
5857
5858/*------------------------------------------------------------------*/
5859/*
5860 * Wireless Handler : get ESSID
5861 */
5862static int airo_get_essid(struct net_device *dev,
5863 struct iw_request_info *info,
5864 struct iw_point *dwrq,
5865 char *extra)
5866{
5867 struct airo_info *local = dev->priv;
5868 StatusRid status_rid; /* Card status info */
5869
5870 readStatusRid(local, &status_rid, 1);
5871
5872 /* Note : if dwrq->flags != 0, we should
5873 * get the relevant SSID from the SSID list... */
5874
5875 /* Get the current SSID */
329e2c00 5876 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5877 /* If none, we may want to get the one that was set */
5878
5879 /* Push it out ! */
329e2c00 5880 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5881 dwrq->flags = 1; /* active */
5882
5883 return 0;
5884}
5885
5886/*------------------------------------------------------------------*/
5887/*
5888 * Wireless Handler : set AP address
5889 */
5890static int airo_set_wap(struct net_device *dev,
5891 struct iw_request_info *info,
5892 struct sockaddr *awrq,
5893 char *extra)
5894{
5895 struct airo_info *local = dev->priv;
5896 Cmd cmd;
5897 Resp rsp;
5898 APListRid APList_rid;
4be757dd
DW		 5899 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5900 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5901
5902 if (awrq->sa_family != ARPHRD_ETHER)
5903 return -EINVAL;
4be757dd
DW		 5904 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5905 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5906 memset(&cmd, 0, sizeof(cmd));
5907 cmd.cmd=CMD_LOSE_SYNC;
5908 if (down_interruptible(&local->sem))
5909 return -ERESTARTSYS;
5910 issuecommand(local, &cmd, &rsp);
5911 up(&local->sem);
5912 } else {
5913 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5914 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5915 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5916 disable_MAC(local, 1);
5917 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5918 enable_MAC(local, 1);
1da177e4
LT		 5919 }
5920 return 0;
5921}
5922
5923/*------------------------------------------------------------------*/
5924/*
5925 * Wireless Handler : get AP address
5926 */
5927static int airo_get_wap(struct net_device *dev,
5928 struct iw_request_info *info,
5929 struct sockaddr *awrq,
5930 char *extra)
5931{
5932 struct airo_info *local = dev->priv;
5933 StatusRid status_rid; /* Card status info */
5934
5935 readStatusRid(local, &status_rid, 1);
5936
5937 /* Tentative. This seems to work, wow, I'm lucky !!! */
5938 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5939 awrq->sa_family = ARPHRD_ETHER;
5940
5941 return 0;
5942}
5943
5944/*------------------------------------------------------------------*/
5945/*
5946 * Wireless Handler : set Nickname
5947 */
5948static int airo_set_nick(struct net_device *dev,
5949 struct iw_request_info *info,
5950 struct iw_point *dwrq,
5951 char *extra)
5952{
5953 struct airo_info *local = dev->priv;
5954
5955 /* Check the size of the string */
7f8544cc 5956 if(dwrq->length > 16) {
1da177e4
LT		 5957 return -E2BIG;
5958 }
5959 readConfigRid(local, 1);
5960 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5961 memcpy(local->config.nodeName, extra, dwrq->length);
5962 set_bit (FLAG_COMMIT, &local->flags);
5963
5964 return -EINPROGRESS; /* Call commit handler */
5965}
5966
5967/*------------------------------------------------------------------*/
5968/*
5969 * Wireless Handler : get Nickname
5970 */
5971static int airo_get_nick(struct net_device *dev,
5972 struct iw_request_info *info,
5973 struct iw_point *dwrq,
5974 char *extra)
5975{
5976 struct airo_info *local = dev->priv;
5977
5978 readConfigRid(local, 1);
5979 strncpy(extra, local->config.nodeName, 16);
5980 extra[16] = '\0';
7f8544cc 5981 dwrq->length = strlen(extra);
1da177e4
LT		 5982
5983 return 0;
5984}
5985
5986/*------------------------------------------------------------------*/
5987/*
5988 * Wireless Handler : set Bit-Rate
5989 */
5990static int airo_set_rate(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct iw_param *vwrq,
5993 char *extra)
5994{
5995 struct airo_info *local = dev->priv;
5996 CapabilityRid cap_rid; /* Card capability info */
5997 u8 brate = 0;
5998 int i;
5999
6000 /* First : get a valid bit rate value */
6001 readCapabilityRid(local, &cap_rid, 1);
6002
6003 /* Which type of value ? */
6004 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6005 /* Setting by rate index */
6006 /* Find value in the magic rate table */
6007 brate = cap_rid.supportedRates[vwrq->value];
6008 } else {
6009 /* Setting by frequency value */
6010 u8 normvalue = (u8) (vwrq->value/500000);
6011
6012 /* Check if rate is valid */
6013 for(i = 0 ; i < 8 ; i++) {
6014 if(normvalue == cap_rid.supportedRates[i]) {
6015 brate = normvalue;
6016 break;
6017 }
6018 }
6019 }
6020 /* -1 designed the max rate (mostly auto mode) */
6021 if(vwrq->value == -1) {
6022 /* Get the highest available rate */
6023 for(i = 0 ; i < 8 ; i++) {
6024 if(cap_rid.supportedRates[i] == 0)
6025 break;
6026 }
6027 if(i != 0)
6028 brate = cap_rid.supportedRates[i - 1];
6029 }
6030 /* Check that it is valid */
6031 if(brate == 0) {
6032 return -EINVAL;
6033 }
6034
6035 readConfigRid(local, 1);
6036 /* Now, check if we want a fixed or auto value */
6037 if(vwrq->fixed == 0) {
6038 /* Fill all the rates up to this max rate */
6039 memset(local->config.rates, 0, 8);
6040 for(i = 0 ; i < 8 ; i++) {
6041 local->config.rates[i] = cap_rid.supportedRates[i];
6042 if(local->config.rates[i] == brate)
6043 break;
6044 }
6045 } else {
6046 /* Fixed mode */
6047 /* One rate, fixed */
6048 memset(local->config.rates, 0, 8);
6049 local->config.rates[0] = brate;
6050 }
6051 set_bit (FLAG_COMMIT, &local->flags);
6052
6053 return -EINPROGRESS; /* Call commit handler */
6054}
6055
6056/*------------------------------------------------------------------*/
6057/*
6058 * Wireless Handler : get Bit-Rate
6059 */
6060static int airo_get_rate(struct net_device *dev,
6061 struct iw_request_info *info,
6062 struct iw_param *vwrq,
6063 char *extra)
6064{
6065 struct airo_info *local = dev->priv;
6066 StatusRid status_rid; /* Card status info */
6067
6068 readStatusRid(local, &status_rid, 1);
6069
329e2c00 6070 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6071 /* If more than one rate, set auto */
6072 readConfigRid(local, 1);
6073 vwrq->fixed = (local->config.rates[1] == 0);
6074
6075 return 0;
6076}
6077
6078/*------------------------------------------------------------------*/
6079/*
6080 * Wireless Handler : set RTS threshold
6081 */
6082static int airo_set_rts(struct net_device *dev,
6083 struct iw_request_info *info,
6084 struct iw_param *vwrq,
6085 char *extra)
6086{
6087 struct airo_info *local = dev->priv;
6088 int rthr = vwrq->value;
6089
6090 if(vwrq->disabled)
15db2763
DW		 6091 rthr = AIRO_DEF_MTU;
6092 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6093 return -EINVAL;
6094 }
6095 readConfigRid(local, 1);
3eb9b41f 6096 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6097 set_bit (FLAG_COMMIT, &local->flags);
6098
6099 return -EINPROGRESS; /* Call commit handler */
6100}
6101
6102/*------------------------------------------------------------------*/
6103/*
6104 * Wireless Handler : get RTS threshold
6105 */
6106static int airo_get_rts(struct net_device *dev,
6107 struct iw_request_info *info,
6108 struct iw_param *vwrq,
6109 char *extra)
6110{
6111 struct airo_info *local = dev->priv;
6112
6113 readConfigRid(local, 1);
3eb9b41f 6114 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6115 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6116 vwrq->fixed = 1;
6117
6118 return 0;
6119}
6120
6121/*------------------------------------------------------------------*/
6122/*
6123 * Wireless Handler : set Fragmentation threshold
6124 */
6125static int airo_set_frag(struct net_device *dev,
6126 struct iw_request_info *info,
6127 struct iw_param *vwrq,
6128 char *extra)
6129{
6130 struct airo_info *local = dev->priv;
6131 int fthr = vwrq->value;
6132
6133 if(vwrq->disabled)
15db2763
DW		 6134 fthr = AIRO_DEF_MTU;
6135 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6136 return -EINVAL;
6137 }
6138 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6139 readConfigRid(local, 1);
3eb9b41f 6140 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6141 set_bit (FLAG_COMMIT, &local->flags);
6142
6143 return -EINPROGRESS; /* Call commit handler */
6144}
6145
6146/*------------------------------------------------------------------*/
6147/*
6148 * Wireless Handler : get Fragmentation threshold
6149 */
6150static int airo_get_frag(struct net_device *dev,
6151 struct iw_request_info *info,
6152 struct iw_param *vwrq,
6153 char *extra)
6154{
6155 struct airo_info *local = dev->priv;
6156
6157 readConfigRid(local, 1);
3eb9b41f 6158 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6159 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6160 vwrq->fixed = 1;
6161
6162 return 0;
6163}
6164
6165/*------------------------------------------------------------------*/
6166/*
6167 * Wireless Handler : set Mode of Operation
6168 */
6169static int airo_set_mode(struct net_device *dev,
6170 struct iw_request_info *info,
6171 __u32 *uwrq,
6172 char *extra)
6173{
6174 struct airo_info *local = dev->priv;
6175 int reset = 0;
6176
6177 readConfigRid(local, 1);
3eb9b41f 6178 if (sniffing_mode(local))
1da177e4
LT		 6179 reset = 1;
6180
6181 switch(*uwrq) {
6182 case IW_MODE_ADHOC:
3eb9b41f 6183 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6184 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6185 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6186 local->config.scanMode = SCANMODE_ACTIVE;
6187 clear_bit (FLAG_802_11, &local->flags);
6188 break;
6189 case IW_MODE_INFRA:
3eb9b41f 6190 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6191 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6192 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6193 local->config.scanMode = SCANMODE_ACTIVE;
6194 clear_bit (FLAG_802_11, &local->flags);
6195 break;
6196 case IW_MODE_MASTER:
3eb9b41f 6197 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6198 local->config.opmode |= MODE_AP;
3eb9b41f 6199 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6200 local->config.scanMode = SCANMODE_ACTIVE;
6201 clear_bit (FLAG_802_11, &local->flags);
6202 break;
6203 case IW_MODE_REPEAT:
3eb9b41f 6204 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6205 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6206 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6207 local->config.scanMode = SCANMODE_ACTIVE;
6208 clear_bit (FLAG_802_11, &local->flags);
6209 break;
6210 case IW_MODE_MONITOR:
3eb9b41f 6211 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6212 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6213 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6214 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6215 local->config.scanMode = SCANMODE_PASSIVE;
6216 set_bit (FLAG_802_11, &local->flags);
6217 break;
6218 default:
6219 return -EINVAL;
6220 }
6221 if (reset)
6222 set_bit (FLAG_RESET, &local->flags);
6223 set_bit (FLAG_COMMIT, &local->flags);
6224
6225 return -EINPROGRESS; /* Call commit handler */
6226}
6227
6228/*------------------------------------------------------------------*/
6229/*
6230 * Wireless Handler : get Mode of Operation
6231 */
6232static int airo_get_mode(struct net_device *dev,
6233 struct iw_request_info *info,
6234 __u32 *uwrq,
6235 char *extra)
6236{
6237 struct airo_info *local = dev->priv;
6238
6239 readConfigRid(local, 1);
6240 /* If not managed, assume it's ad-hoc */
3eb9b41f 6241 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6242 case MODE_STA_ESS:
6243 *uwrq = IW_MODE_INFRA;
6244 break;
6245 case MODE_AP:
6246 *uwrq = IW_MODE_MASTER;
6247 break;
6248 case MODE_AP_RPTR:
6249 *uwrq = IW_MODE_REPEAT;
6250 break;
6251 default:
6252 *uwrq = IW_MODE_ADHOC;
6253 }
6254
6255 return 0;
6256}
6257
56d81bd3
AV		 6258static inline int valid_index(CapabilityRid *p, int index)
6259{
6260 if (index < 0)
6261 return 0;
6262 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6263}
6264
1da177e4
LT		 6265/*------------------------------------------------------------------*/
6266/*
6267 * Wireless Handler : set Encryption Key
6268 */
6269static int airo_set_encode(struct net_device *dev,
6270 struct iw_request_info *info,
6271 struct iw_point *dwrq,
6272 char *extra)
6273{
6274 struct airo_info *local = dev->priv;
6275 CapabilityRid cap_rid; /* Card capability info */
f89b2321 6276 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6277 __le16 currentAuthType = local->config.authType;
1da177e4
LT		 6278
6279 /* Is WEP supported ? */
6280 readCapabilityRid(local, &cap_rid, 1);
6281 /* Older firmware doesn't support this...
56d81bd3 6282 if(!(cap_rid.softCap & cpu_to_le16(2))) {
1da177e4
LT		 6283 return -EOPNOTSUPP;
6284 } */
6285 readConfigRid(local, 1);
6286
6287 /* Basic checking: do we have a key to set ?
6288 * Note : with the new API, it's impossible to get a NULL pointer.
6289 * Therefore, we need to check a key size == 0 instead.
6290 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6291 * when no key is present (only change flags), but older versions
6292 * don't do it. - Jean II */
6293 if (dwrq->length > 0) {
6294 wep_key_t key;
6295 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6296 int current_index = get_wep_key(local, 0xffff);
6297 /* Check the size of the key */
6298 if (dwrq->length > MAX_KEY_SIZE) {
6299 return -EINVAL;
6300 }
6301 /* Check the index (none -> use current) */
56d81bd3 6302 if (!valid_index(&cap_rid, index))
1da177e4
LT		 6303 index = current_index;
6304 /* Set the length */
6305 if (dwrq->length > MIN_KEY_SIZE)
6306 key.len = MAX_KEY_SIZE;
6307 else
6308 if (dwrq->length > 0)
6309 key.len = MIN_KEY_SIZE;
6310 else
6311 /* Disable the key */
6312 key.len = 0;
6313 /* Check if the key is not marked as invalid */
6314 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6315 /* Cleanup */
6316 memset(key.key, 0, MAX_KEY_SIZE);
6317 /* Copy the key in the driver */
6318 memcpy(key.key, extra, dwrq->length);
6319 /* Send the key to the card */
f89b2321 6320 set_wep_key(local, index, key.key, key.len, perm, 1);
1da177e4
LT		 6321 }
6322 /* WE specify that if a valid key is set, encryption
6323 * should be enabled (user may turn it off later)
6324 * This is also how "iwconfig ethX key on" works */
6325 if((index == current_index) && (key.len > 0) &&
6326 (local->config.authType == AUTH_OPEN)) {
6327 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6328 }
6329 } else {
6330 /* Do we want to just set the transmit key index ? */
6331 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
56d81bd3 6332 if (valid_index(&cap_rid, index)) {
f89b2321 6333 set_wep_key(local, index, NULL, 0, perm, 1);
1da177e4
LT		 6334 } else
6335 /* Don't complain if only change the mode */
93a3b607 6336 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6337 return -EINVAL;
1da177e4
LT		 6338 }
6339 /* Read the flags */
6340 if(dwrq->flags & IW_ENCODE_DISABLED)
6341 local->config.authType = AUTH_OPEN; // disable encryption
6342 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6343 local->config.authType = AUTH_SHAREDKEY; // Only Both
6344 if(dwrq->flags & IW_ENCODE_OPEN)
6345 local->config.authType = AUTH_ENCRYPT; // Only Wep
6346 /* Commit the changes to flags if needed */
f89b2321 6347 if (local->config.authType != currentAuthType)
1da177e4
LT		 6348 set_bit (FLAG_COMMIT, &local->flags);
6349 return -EINPROGRESS; /* Call commit handler */
6350}
6351
6352/*------------------------------------------------------------------*/
6353/*
6354 * Wireless Handler : get Encryption Key
6355 */
6356static int airo_get_encode(struct net_device *dev,
6357 struct iw_request_info *info,
6358 struct iw_point *dwrq,
6359 char *extra)
6360{
6361 struct airo_info *local = dev->priv;
6362 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6363 CapabilityRid cap_rid; /* Card capability info */
6364
6365 /* Is it supported ? */
6366 readCapabilityRid(local, &cap_rid, 1);
56d81bd3 6367 if(!(cap_rid.softCap & cpu_to_le16(2))) {
1da177e4
LT		 6368 return -EOPNOTSUPP;
6369 }
6370 readConfigRid(local, 1);
6371 /* Check encryption mode */
6372 switch(local->config.authType) {
6373 case AUTH_ENCRYPT:
6374 dwrq->flags = IW_ENCODE_OPEN;
6375 break;
6376 case AUTH_SHAREDKEY:
6377 dwrq->flags = IW_ENCODE_RESTRICTED;
6378 break;
6379 default:
6380 case AUTH_OPEN:
6381 dwrq->flags = IW_ENCODE_DISABLED;
6382 break;
6383 }
6384 /* We can't return the key, so set the proper flag and return zero */
6385 dwrq->flags |= IW_ENCODE_NOKEY;
6386 memset(extra, 0, 16);
6387
6388 /* Which key do we want ? -1 -> tx index */
56d81bd3 6389 if (!valid_index(&cap_rid, index))
1da177e4
LT		 6390 index = get_wep_key(local, 0xffff);
6391 dwrq->flags |= index + 1;
6392 /* Copy the key to the user buffer */
6393 dwrq->length = get_wep_key(local, index);
6394 if (dwrq->length > 16) {
6395 dwrq->length=0;
6396 }
6397 return 0;
6398}
6399
4be757dd
DW		 6400/*------------------------------------------------------------------*/
6401/*
6402 * Wireless Handler : set extended Encryption parameters
6403 */
6404static int airo_set_encodeext(struct net_device *dev,
6405 struct iw_request_info *info,
6406 union iwreq_data *wrqu,
6407 char *extra)
6408{
6409 struct airo_info *local = dev->priv;
6410 struct iw_point *encoding = &wrqu->encoding;
6411 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6412 CapabilityRid cap_rid; /* Card capability info */
6413 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6414 __le16 currentAuthType = local->config.authType;
22d8846e 6415 int idx, key_len, alg = ext->alg, set_key = 1;
4be757dd
DW		 6416 wep_key_t key;
6417
6418 /* Is WEP supported ? */
6419 readCapabilityRid(local, &cap_rid, 1);
6420 /* Older firmware doesn't support this...
56d81bd3 6421 if(!(cap_rid.softCap & cpu_to_le16(2))) {
4be757dd
DW		 6422 return -EOPNOTSUPP;
6423 } */
6424 readConfigRid(local, 1);
6425
6426 /* Determine and validate the key index */
6427 idx = encoding->flags & IW_ENCODE_INDEX;
6428 if (idx) {
56d81bd3 6429 if (!valid_index(&cap_rid, idx - 1))
4be757dd
DW		 6430 return -EINVAL;
6431 idx--;
6432 } else
6433 idx = get_wep_key(local, 0xffff);
6434
6435 if (encoding->flags & IW_ENCODE_DISABLED)
6436 alg = IW_ENCODE_ALG_NONE;
6437
4be757dd 6438 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6439 /* Only set transmit key index here, actual
6440 * key is set below if needed.
6441 */
4be757dd 6442 set_wep_key(local, idx, NULL, 0, perm, 1);
22d8846e
DW		 6443 set_key = ext->key_len > 0 ? 1 : 0;
6444 }
6445
6446 if (set_key) {
4be757dd
DW		 6447 /* Set the requested key first */
6448 memset(key.key, 0, MAX_KEY_SIZE);
6449 switch (alg) {
6450 case IW_ENCODE_ALG_NONE:
6451 key.len = 0;
6452 break;
6453 case IW_ENCODE_ALG_WEP:
6454 if (ext->key_len > MIN_KEY_SIZE) {
6455 key.len = MAX_KEY_SIZE;
6456 } else if (ext->key_len > 0) {
6457 key.len = MIN_KEY_SIZE;
6458 } else {
6459 return -EINVAL;
6460 }
6461 key_len = min (ext->key_len, key.len);
6462 memcpy(key.key, ext->key, key_len);
6463 break;
6464 default:
6465 return -EINVAL;
6466 }
6467 /* Send the key to the card */
6468 set_wep_key(local, idx, key.key, key.len, perm, 1);
6469 }
6470
6471 /* Read the flags */
6472 if(encoding->flags & IW_ENCODE_DISABLED)
6473 local->config.authType = AUTH_OPEN; // disable encryption
6474 if(encoding->flags & IW_ENCODE_RESTRICTED)
6475 local->config.authType = AUTH_SHAREDKEY; // Only Both
6476 if(encoding->flags & IW_ENCODE_OPEN)
6477 local->config.authType = AUTH_ENCRYPT; // Only Wep
6478 /* Commit the changes to flags if needed */
6479 if (local->config.authType != currentAuthType)
6480 set_bit (FLAG_COMMIT, &local->flags);
6481
6482 return -EINPROGRESS;
6483}
6484
6485
6486/*------------------------------------------------------------------*/
6487/*
6488 * Wireless Handler : get extended Encryption parameters
6489 */
6490static int airo_get_encodeext(struct net_device *dev,
6491 struct iw_request_info *info,
6492 union iwreq_data *wrqu,
6493 char *extra)
6494{
6495 struct airo_info *local = dev->priv;
6496 struct iw_point *encoding = &wrqu->encoding;
6497 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6498 CapabilityRid cap_rid; /* Card capability info */
6499 int idx, max_key_len;
6500
6501 /* Is it supported ? */
6502 readCapabilityRid(local, &cap_rid, 1);
56d81bd3 6503 if(!(cap_rid.softCap & cpu_to_le16(2))) {
4be757dd
DW		 6504 return -EOPNOTSUPP;
6505 }
6506 readConfigRid(local, 1);
6507
6508 max_key_len = encoding->length - sizeof(*ext);
6509 if (max_key_len < 0)
6510 return -EINVAL;
6511
6512 idx = encoding->flags & IW_ENCODE_INDEX;
6513 if (idx) {
56d81bd3 6514 if (!valid_index(&cap_rid, idx - 1))
4be757dd
DW		 6515 return -EINVAL;
6516 idx--;
6517 } else
6518 idx = get_wep_key(local, 0xffff);
6519
6520 encoding->flags = idx + 1;
6521 memset(ext, 0, sizeof(*ext));
6522
6523 /* Check encryption mode */
6524 switch(local->config.authType) {
6525 case AUTH_ENCRYPT:
6526 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6527 break;
6528 case AUTH_SHAREDKEY:
6529 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6530 break;
6531 default:
6532 case AUTH_OPEN:
6533 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6534 break;
6535 }
6536 /* We can't return the key, so set the proper flag and return zero */
6537 encoding->flags |= IW_ENCODE_NOKEY;
6538 memset(extra, 0, 16);
6539
6540 /* Copy the key to the user buffer */
6541 ext->key_len = get_wep_key(local, idx);
6542 if (ext->key_len > 16) {
6543 ext->key_len=0;
6544 }
6545
6546 return 0;
6547}
6548
6549
6550/*------------------------------------------------------------------*/
6551/*
6552 * Wireless Handler : set extended authentication parameters
6553 */
6554static int airo_set_auth(struct net_device *dev,
6555 struct iw_request_info *info,
6556 union iwreq_data *wrqu, char *extra)
6557{
6558 struct airo_info *local = dev->priv;
6559 struct iw_param *param = &wrqu->param;
3eb9b41f 6560 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6561
6562 switch (param->flags & IW_AUTH_INDEX) {
6563 case IW_AUTH_WPA_VERSION:
6564 case IW_AUTH_CIPHER_PAIRWISE:
6565 case IW_AUTH_CIPHER_GROUP:
6566 case IW_AUTH_KEY_MGMT:
6567 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6568 case IW_AUTH_PRIVACY_INVOKED:
6569 /*
6570 * airo does not use these parameters
6571 */
6572 break;
6573
6574 case IW_AUTH_DROP_UNENCRYPTED:
6575 if (param->value) {
6576 /* Only change auth type if unencrypted */
6577 if (currentAuthType == AUTH_OPEN)
6578 local->config.authType = AUTH_ENCRYPT;
6579 } else {
6580 local->config.authType = AUTH_OPEN;
6581 }
6582
6583 /* Commit the changes to flags if needed */
6584 if (local->config.authType != currentAuthType)
6585 set_bit (FLAG_COMMIT, &local->flags);
6586 break;
6587
6588 case IW_AUTH_80211_AUTH_ALG: {
6589 /* FIXME: What about AUTH_OPEN? This API seems to
6590 * disallow setting our auth to AUTH_OPEN.
6591 */
6592 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6593 local->config.authType = AUTH_SHAREDKEY;
6594 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6595 local->config.authType = AUTH_ENCRYPT;
6596 } else
6597 return -EINVAL;
6598 break;
6599
6600 /* Commit the changes to flags if needed */
6601 if (local->config.authType != currentAuthType)
6602 set_bit (FLAG_COMMIT, &local->flags);
6603 }
6604
6605 case IW_AUTH_WPA_ENABLED:
6606 /* Silently accept disable of WPA */
6607 if (param->value > 0)
6608 return -EOPNOTSUPP;
6609 break;
6610
6611 default:
6612 return -EOPNOTSUPP;
6613 }
6614 return -EINPROGRESS;
6615}
6616
6617
6618/*------------------------------------------------------------------*/
6619/*
6620 * Wireless Handler : get extended authentication parameters
6621 */
6622static int airo_get_auth(struct net_device *dev,
6623 struct iw_request_info *info,
6624 union iwreq_data *wrqu, char *extra)
6625{
6626 struct airo_info *local = dev->priv;
6627 struct iw_param *param = &wrqu->param;
3eb9b41f 6628 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6629
6630 switch (param->flags & IW_AUTH_INDEX) {
6631 case IW_AUTH_DROP_UNENCRYPTED:
6632 switch (currentAuthType) {
6633 case AUTH_SHAREDKEY:
6634 case AUTH_ENCRYPT:
6635 param->value = 1;
6636 break;
6637 default:
6638 param->value = 0;
6639 break;
6640 }
6641 break;
6642
6643 case IW_AUTH_80211_AUTH_ALG:
6644 switch (currentAuthType) {
6645 case AUTH_SHAREDKEY:
6646 param->value = IW_AUTH_ALG_SHARED_KEY;
6647 break;
6648 case AUTH_ENCRYPT:
6649 default:
6650 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6651 break;
6652 }
6653 break;
6654
6655 case IW_AUTH_WPA_ENABLED:
6656 param->value = 0;
6657 break;
6658
6659 default:
6660 return -EOPNOTSUPP;
6661 }
6662 return 0;
6663}
6664
6665
1da177e4
LT		 6666/*------------------------------------------------------------------*/
6667/*
6668 * Wireless Handler : set Tx-Power
6669 */
6670static int airo_set_txpow(struct net_device *dev,
6671 struct iw_request_info *info,
6672 struct iw_param *vwrq,
6673 char *extra)
6674{
6675 struct airo_info *local = dev->priv;
6676 CapabilityRid cap_rid; /* Card capability info */
6677 int i;
6678 int rc = -EINVAL;
3eb9b41f 6679 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6680
6681 readCapabilityRid(local, &cap_rid, 1);
6682
6683 if (vwrq->disabled) {
6684 set_bit (FLAG_RADIO_OFF, &local->flags);
6685 set_bit (FLAG_COMMIT, &local->flags);
6686 return -EINPROGRESS; /* Call commit handler */
6687 }
6688 if (vwrq->flags != IW_TXPOW_MWATT) {
6689 return -EINVAL;
6690 }
6691 clear_bit (FLAG_RADIO_OFF, &local->flags);
6692 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
3eb9b41f 6693 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6694 readConfigRid(local, 1);
3eb9b41f 6695 local->config.txPower = v;
1da177e4
LT		 6696 set_bit (FLAG_COMMIT, &local->flags);
6697 rc = -EINPROGRESS; /* Call commit handler */
6698 break;
6699 }
6700 return rc;
6701}
6702
6703/*------------------------------------------------------------------*/
6704/*
6705 * Wireless Handler : get Tx-Power
6706 */
6707static int airo_get_txpow(struct net_device *dev,
6708 struct iw_request_info *info,
6709 struct iw_param *vwrq,
6710 char *extra)
6711{
6712 struct airo_info *local = dev->priv;
6713
6714 readConfigRid(local, 1);
3eb9b41f 6715 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6716 vwrq->fixed = 1; /* No power control */
6717 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6718 vwrq->flags = IW_TXPOW_MWATT;
6719
6720 return 0;
6721}
6722
6723/*------------------------------------------------------------------*/
6724/*
6725 * Wireless Handler : set Retry limits
6726 */
6727static int airo_set_retry(struct net_device *dev,
6728 struct iw_request_info *info,
6729 struct iw_param *vwrq,
6730 char *extra)
6731{
6732 struct airo_info *local = dev->priv;
6733 int rc = -EINVAL;
6734
6735 if(vwrq->disabled) {
6736 return -EINVAL;
6737 }
6738 readConfigRid(local, 1);
6739 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6740 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6741 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6742 local->config.longRetryLimit = v;
7f8544cc 6743 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6744 local->config.shortRetryLimit = v;
1da177e4
LT		 6745 else {
6746 /* No modifier : set both */
3eb9b41f
AV		 6747 local->config.longRetryLimit = v;
6748 local->config.shortRetryLimit = v;
1da177e4
LT		 6749 }
6750 set_bit (FLAG_COMMIT, &local->flags);
6751 rc = -EINPROGRESS; /* Call commit handler */
6752 }
6753 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6754 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6755 set_bit (FLAG_COMMIT, &local->flags);
6756 rc = -EINPROGRESS; /* Call commit handler */
6757 }
6758 return rc;
6759}
6760
6761/*------------------------------------------------------------------*/
6762/*
6763 * Wireless Handler : get Retry limits
6764 */
6765static int airo_get_retry(struct net_device *dev,
6766 struct iw_request_info *info,
6767 struct iw_param *vwrq,
6768 char *extra)
6769{
6770 struct airo_info *local = dev->priv;
6771
6772 vwrq->disabled = 0; /* Can't be disabled */
6773
6774 readConfigRid(local, 1);
6775 /* Note : by default, display the min retry number */
6776 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6777 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6778 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6779 } else if((vwrq->flags & IW_RETRY_LONG)) {
6780 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6781 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6782 } else {
6783 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6784 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6785 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6786 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6787 }
6788
6789 return 0;
6790}
6791
6792/*------------------------------------------------------------------*/
6793/*
6794 * Wireless Handler : get range info
6795 */
6796static int airo_get_range(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_point *dwrq,
6799 char *extra)
6800{
6801 struct airo_info *local = dev->priv;
6802 struct iw_range *range = (struct iw_range *) extra;
6803 CapabilityRid cap_rid; /* Card capability info */
6804 int i;
6805 int k;
6806
6807 readCapabilityRid(local, &cap_rid, 1);
6808
6809 dwrq->length = sizeof(struct iw_range);
6810 memset(range, 0, sizeof(*range));
6811 range->min_nwid = 0x0000;
6812 range->max_nwid = 0x0000;
6813 range->num_channels = 14;
6814 /* Should be based on cap_rid.country to give only
6815 * what the current card support */
6816 k = 0;
6817 for(i = 0; i < 14; i++) {
6818 range->freq[k].i = i + 1; /* List index */
6819 range->freq[k].m = frequency_list[i] * 100000;
6820 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6821 }
6822 range->num_frequency = k;
6823
41480af2
DW		 6824 range->sensitivity = 65535;
6825
1da177e4 6826 /* Hum... Should put the right values there */
41480af2
DW		 6827 if (local->rssi)
6828 range->max_qual.qual = 100; /* % */
6829 else
6830 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6831 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6832 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6833
6834 /* Experimental measurements - boundary 11/5.5 Mb/s */
6835 /* Note : with or without the (local->rssi), results
6836 * are somewhat different. - Jean II */
6837 if (local->rssi) {
ce6623c3
JT		 6838 range->avg_qual.qual = 50; /* % */
6839 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6840 } else {
6841 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6842 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6843 }
ce6623c3 6844 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6845
6846 for(i = 0 ; i < 8 ; i++) {
6847 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6848 if(range->bitrate[i] == 0)
6849 break;
6850 }
6851 range->num_bitrates = i;
6852
6853 /* Set an indication of the max TCP throughput
6854 * in bit/s that we can expect using this interface.
6855 * May be use for QoS stuff... Jean II */
6856 if(i > 2)
6857 range->throughput = 5000 * 1000;
6858 else
6859 range->throughput = 1500 * 1000;
6860
6861 range->min_rts = 0;
15db2763 6862 range->max_rts = AIRO_DEF_MTU;
1da177e4 6863 range->min_frag = 256;
15db2763 6864 range->max_frag = AIRO_DEF_MTU;
1da177e4 6865
56d81bd3 6866 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 6867 // WEP: RC4 40 bits
6868 range->encoding_size[0] = 5;
6869 // RC4 ~128 bits
56d81bd3 6870 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 6871 range->encoding_size[1] = 13;
6872 range->num_encoding_sizes = 2;
6873 } else
6874 range->num_encoding_sizes = 1;
56d81bd3
AV		 6875 range->max_encoding_tokens =
6876 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 6877 } else {
6878 range->num_encoding_sizes = 0;
6879 range->max_encoding_tokens = 0;
6880 }
6881 range->min_pmp = 0;
6882 range->max_pmp = 5000000; /* 5 secs */
6883 range->min_pmt = 0;
6884 range->max_pmt = 65535 * 1024; /* ??? */
6885 range->pmp_flags = IW_POWER_PERIOD;
6886 range->pmt_flags = IW_POWER_TIMEOUT;
6887 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6888
6889 /* Transmit Power - values are in mW */
6890 for(i = 0 ; i < 8 ; i++) {
56d81bd3 6891 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 6892 if(range->txpower[i] == 0)
6893 break;
6894 }
6895 range->num_txpower = i;
6896 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6897 range->we_version_source = 19;
1da177e4
LT		 6898 range->we_version_compiled = WIRELESS_EXT;
6899 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6900 range->retry_flags = IW_RETRY_LIMIT;
6901 range->r_time_flags = IW_RETRY_LIFETIME;
6902 range->min_retry = 1;
6903 range->max_retry = 65535;
6904 range->min_r_time = 1024;
6905 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6906
6907 /* Event capability (kernel + driver) */
6908 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6909 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6910 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6911 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6912 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6913 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6914 return 0;
6915}
6916
6917/*------------------------------------------------------------------*/
6918/*
6919 * Wireless Handler : set Power Management
6920 */
6921static int airo_set_power(struct net_device *dev,
6922 struct iw_request_info *info,
6923 struct iw_param *vwrq,
6924 char *extra)
6925{
6926 struct airo_info *local = dev->priv;
6927
6928 readConfigRid(local, 1);
6929 if (vwrq->disabled) {
3eb9b41f 6930 if (sniffing_mode(local))
1da177e4 6931 return -EINVAL;
1da177e4 6932 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 6933 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 6934 local->config.rmode |= RXMODE_BC_MC_ADDR;
6935 set_bit (FLAG_COMMIT, &local->flags);
6936 return -EINPROGRESS; /* Call commit handler */
6937 }
6938 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 6939 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 6940 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6941 set_bit (FLAG_COMMIT, &local->flags);
6942 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 6943 local->config.fastListenInterval =
6944 local->config.listenInterval =
6945 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 6946 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6947 set_bit (FLAG_COMMIT, &local->flags);
6948 }
6949 switch (vwrq->flags & IW_POWER_MODE) {
6950 case IW_POWER_UNICAST_R:
3eb9b41f 6951 if (sniffing_mode(local))
1da177e4 6952 return -EINVAL;
3eb9b41f 6953 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 6954 local->config.rmode |= RXMODE_ADDR;
6955 set_bit (FLAG_COMMIT, &local->flags);
6956 break;
6957 case IW_POWER_ALL_R:
3eb9b41f 6958 if (sniffing_mode(local))
1da177e4 6959 return -EINVAL;
3eb9b41f 6960 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 6961 local->config.rmode |= RXMODE_BC_MC_ADDR;
6962 set_bit (FLAG_COMMIT, &local->flags);
6963 case IW_POWER_ON:
7f8544cc 6964 /* This is broken, fixme ;-) */
1da177e4
LT		 6965 break;
6966 default:
6967 return -EINVAL;
6968 }
6969 // Note : we may want to factor local->need_commit here
6970 // Note2 : may also want to factor RXMODE_RFMON test
6971 return -EINPROGRESS; /* Call commit handler */
6972}
6973
6974/*------------------------------------------------------------------*/
6975/*
6976 * Wireless Handler : get Power Management
6977 */
6978static int airo_get_power(struct net_device *dev,
6979 struct iw_request_info *info,
6980 struct iw_param *vwrq,
6981 char *extra)
6982{
6983 struct airo_info *local = dev->priv;
3eb9b41f 6984 __le16 mode;
1da177e4
LT		 6985
6986 readConfigRid(local, 1);
6987 mode = local->config.powerSaveMode;
6988 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6989 return 0;
6990 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 6991 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 6992 vwrq->flags = IW_POWER_TIMEOUT;
6993 } else {
3eb9b41f 6994 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 6995 vwrq->flags = IW_POWER_PERIOD;
6996 }
3eb9b41f 6997 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 6998 vwrq->flags |= IW_POWER_UNICAST_R;
6999 else
7000 vwrq->flags |= IW_POWER_ALL_R;
7001
7002 return 0;
7003}
7004
7005/*------------------------------------------------------------------*/
7006/*
7007 * Wireless Handler : set Sensitivity
7008 */
7009static int airo_set_sens(struct net_device *dev,
7010 struct iw_request_info *info,
7011 struct iw_param *vwrq,
7012 char *extra)
7013{
7014 struct airo_info *local = dev->priv;
7015
7016 readConfigRid(local, 1);
3eb9b41f
AV		 7017 local->config.rssiThreshold =
7018 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7019 set_bit (FLAG_COMMIT, &local->flags);
7020
7021 return -EINPROGRESS; /* Call commit handler */
7022}
7023
7024/*------------------------------------------------------------------*/
7025/*
7026 * Wireless Handler : get Sensitivity
7027 */
7028static int airo_get_sens(struct net_device *dev,
7029 struct iw_request_info *info,
7030 struct iw_param *vwrq,
7031 char *extra)
7032{
7033 struct airo_info *local = dev->priv;
7034
7035 readConfigRid(local, 1);
3eb9b41f 7036 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7037 vwrq->disabled = (vwrq->value == 0);
7038 vwrq->fixed = 1;
7039
7040 return 0;
7041}
7042
7043/*------------------------------------------------------------------*/
7044/*
7045 * Wireless Handler : get AP List
7046 * Note : this is deprecated in favor of IWSCAN
7047 */
7048static int airo_get_aplist(struct net_device *dev,
7049 struct iw_request_info *info,
7050 struct iw_point *dwrq,
7051 char *extra)
7052{
7053 struct airo_info *local = dev->priv;
7054 struct sockaddr *address = (struct sockaddr *) extra;
7055 struct iw_quality qual[IW_MAX_AP];
7056 BSSListRid BSSList;
7057 int i;
7058 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7059
7060 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7061 u16 dBm;
1da177e4
LT		 7062 if (readBSSListRid(local, loseSync, &BSSList))
7063 break;
7064 loseSync = 0;
7065 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7066 address[i].sa_family = ARPHRD_ETHER;
17e70491 7067 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7068 if (local->rssi) {
17e70491
AV		 7069 qual[i].level = 0x100 - dBm;
7070 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7071 qual[i].updated = IW_QUAL_QUAL_UPDATED
7072 | IW_QUAL_LEVEL_UPDATED
7073 | IW_QUAL_DBM;
41480af2 7074 } else {
17e70491 7075 qual[i].level = (dBm + 321) / 2;
41480af2 7076 qual[i].qual = 0;
ce6623c3
JT		 7077 qual[i].updated = IW_QUAL_QUAL_INVALID
7078 | IW_QUAL_LEVEL_UPDATED
7079 | IW_QUAL_DBM;
41480af2
DW		 7080 }
7081 qual[i].noise = local->wstats.qual.noise;
17e70491 7082 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7083 break;
7084 }
7085 if (!i) {
7086 StatusRid status_rid; /* Card status info */
7087 readStatusRid(local, &status_rid, 1);
7088 for (i = 0;
7089 i < min(IW_MAX_AP, 4) &&
7090 (status_rid.bssid[i][0]
7091 & status_rid.bssid[i][1]
7092 & status_rid.bssid[i][2]
7093 & status_rid.bssid[i][3]
7094 & status_rid.bssid[i][4]
7095 & status_rid.bssid[i][5])!=0xff &&
7096 (status_rid.bssid[i][0]
7097 | status_rid.bssid[i][1]
7098 | status_rid.bssid[i][2]
7099 | status_rid.bssid[i][3]
7100 | status_rid.bssid[i][4]
7101 | status_rid.bssid[i][5]);
7102 i++) {
7103 memcpy(address[i].sa_data,
7104 status_rid.bssid[i], ETH_ALEN);
7105 address[i].sa_family = ARPHRD_ETHER;
7106 }
7107 } else {
7108 dwrq->flags = 1; /* Should be define'd */
7109 memcpy(extra + sizeof(struct sockaddr)*i,
7110 &qual, sizeof(struct iw_quality)*i);
7111 }
7112 dwrq->length = i;
7113
7114 return 0;
7115}
7116
7117/*------------------------------------------------------------------*/
7118/*
7119 * Wireless Handler : Initiate Scan
7120 */
7121static int airo_set_scan(struct net_device *dev,
7122 struct iw_request_info *info,
7123 struct iw_param *vwrq,
7124 char *extra)
7125{
7126 struct airo_info *ai = dev->priv;
7127 Cmd cmd;
7128 Resp rsp;
9e75af30 7129 int wake = 0;
1da177e4
LT		 7130
7131 /* Note : you may have realised that, as this is a SET operation,
7132 * this is privileged and therefore a normal user can't
7133 * perform scanning.
7134 * This is not an error, while the device perform scanning,
7135 * traffic doesn't flow, so it's a perfect DoS...
7136 * Jean II */
7137 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7138
9e75af30
DW		 7139 if (down_interruptible(&ai->sem))
7140 return -ERESTARTSYS;
7141
7142 /* If there's already a scan in progress, don't
7143 * trigger another one. */
7144 if (ai->scan_timeout > 0)
7145 goto out;
7146
1da177e4 7147 /* Initiate a scan command */
6fcdf565 7148 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7149 memset(&cmd, 0, sizeof(cmd));
7150 cmd.cmd=CMD_LISTBSS;
1da177e4 7151 issuecommand(ai, &cmd, &rsp);
9e75af30 7152 wake = 1;
1da177e4 7153
9e75af30
DW		 7154out:
7155 up(&ai->sem);
7156 if (wake)
7157 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7158 return 0;
7159}
7160
7161/*------------------------------------------------------------------*/
7162/*
7163 * Translate scan data returned from the card to a card independent
7164 * format that the Wireless Tools will understand - Jean II
7165 */
7166static inline char *airo_translate_scan(struct net_device *dev,
7167 char *current_ev,
7168 char *end_buf,
41480af2 7169 BSSListRid *bss)
1da177e4
LT		 7170{
7171 struct airo_info *ai = dev->priv;
7172 struct iw_event iwe; /* Temporary buffer */
17e70491 7173 __le16 capabilities;
1da177e4
LT		 7174 char * current_val; /* For rates */
7175 int i;
3c304956 7176 char * buf;
851b3e5e 7177 u16 dBm;
1da177e4
LT		 7178
7179 /* First entry *MUST* be the AP MAC address */
7180 iwe.cmd = SIOCGIWAP;
7181 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7182 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
1da177e4
LT		 7183 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7184
7185 /* Other entries will be displayed in the order we give them */
7186
7187 /* Add the ESSID */
41480af2 7188 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7189 if(iwe.u.data.length > 32)
7190 iwe.u.data.length = 32;
7191 iwe.cmd = SIOCGIWESSID;
7192 iwe.u.data.flags = 1;
41480af2 7193 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7194
7195 /* Add mode */
7196 iwe.cmd = SIOCGIWMODE;
17e70491 7197 capabilities = bss->cap;
1da177e4
LT		 7198 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7199 if(capabilities & CAP_ESS)
7200 iwe.u.mode = IW_MODE_MASTER;
7201 else
7202 iwe.u.mode = IW_MODE_ADHOC;
7203 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7204 }
7205
7206 /* Add frequency */
7207 iwe.cmd = SIOCGIWFREQ;
41480af2 7208 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
1141455d 7209 /* iwe.u.freq.m containt the channel (starting 1), our
7210 * frequency_list array start at index 0...
7211 */
7212 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
1da177e4
LT		 7213 iwe.u.freq.e = 1;
7214 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7215
851b3e5e
AV		 7216 dBm = le16_to_cpu(bss->dBm);
7217
1da177e4
LT		 7218 /* Add quality statistics */
7219 iwe.cmd = IWEVQUAL;
41480af2 7220 if (ai->rssi) {
851b3e5e
AV		 7221 iwe.u.qual.level = 0x100 - dBm;
7222 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7223 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7224 | IW_QUAL_LEVEL_UPDATED
7225 | IW_QUAL_DBM;
41480af2 7226 } else {
851b3e5e 7227 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7228 iwe.u.qual.qual = 0;
bbeec90b 7229 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7230 | IW_QUAL_LEVEL_UPDATED
7231 | IW_QUAL_DBM;
41480af2
DW		 7232 }
7233 iwe.u.qual.noise = ai->wstats.qual.noise;
1da177e4
LT		 7234 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7235
7236 /* Add encryption capability */
7237 iwe.cmd = SIOCGIWENCODE;
7238 if(capabilities & CAP_PRIVACY)
7239 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7240 else
7241 iwe.u.data.flags = IW_ENCODE_DISABLED;
7242 iwe.u.data.length = 0;
41480af2 7243 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
1da177e4
LT		 7244
7245 /* Rate : stuffing multiple values in a single event require a bit
7246 * more of magic - Jean II */
7247 current_val = current_ev + IW_EV_LCP_LEN;
7248
7249 iwe.cmd = SIOCGIWRATE;
7250 /* Those two flags are ignored... */
7251 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7252 /* Max 8 values */
7253 for(i = 0 ; i < 8 ; i++) {
7254 /* NULL terminated */
41480af2 7255 if(bss->rates[i] == 0)
1da177e4
LT		 7256 break;
7257 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7258 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4
LT		 7259 /* Add new value to event */
7260 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7261 }
7262 /* Check if we added any event */
7263 if((current_val - current_ev) > IW_EV_LCP_LEN)
7264 current_ev = current_val;
7265
3c304956
DW		 7266 /* Beacon interval */
7267 buf = kmalloc(30, GFP_KERNEL);
7268 if (buf) {
7269 iwe.cmd = IWEVCUSTOM;
7270 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7271 iwe.u.data.length = strlen(buf);
7272 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7273 kfree(buf);
7274 }
7275
7276 /* Put WPA/RSN Information Elements into the event stream */
7277 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7278 unsigned int num_null_ies = 0;
7279 u16 length = sizeof (bss->extra.iep);
7280 struct ieee80211_info_element *info_element =
7281 (struct ieee80211_info_element *) &bss->extra.iep;
7282
7283 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7284 if (sizeof(*info_element) + info_element->len > length) {
7285 /* Invalid element, don't continue parsing IE */
7286 break;
7287 }
7288
7289 switch (info_element->id) {
7290 case MFIE_TYPE_SSID:
7291 /* Two zero-length SSID elements
7292 * mean we're done parsing elements */
7293 if (!info_element->len)
7294 num_null_ies++;
7295 break;
7296
7297 case MFIE_TYPE_GENERIC:
7298 if (info_element->len >= 4 &&
7299 info_element->data[0] == 0x00 &&
7300 info_element->data[1] == 0x50 &&
7301 info_element->data[2] == 0xf2 &&
7302 info_element->data[3] == 0x01) {
7303 iwe.cmd = IWEVGENIE;
7304 iwe.u.data.length = min(info_element->len + 2,
7305 MAX_WPA_IE_LEN);
7306 current_ev = iwe_stream_add_point(current_ev, end_buf,
7307 &iwe, (char *) info_element);
7308 }
7309 break;
7310
7311 case MFIE_TYPE_RSN:
7312 iwe.cmd = IWEVGENIE;
7313 iwe.u.data.length = min(info_element->len + 2,
7314 MAX_WPA_IE_LEN);
7315 current_ev = iwe_stream_add_point(current_ev, end_buf,
7316 &iwe, (char *) info_element);
7317 break;
7318
7319 default:
7320 break;
7321 }
7322
7323 length -= sizeof(*info_element) + info_element->len;
7324 info_element =
7325 (struct ieee80211_info_element *)&info_element->
7326 data[info_element->len];
7327 }
7328 }
1da177e4
LT		 7329 return current_ev;
7330}
7331
7332/*------------------------------------------------------------------*/
7333/*
7334 * Wireless Handler : Read Scan Results
7335 */
7336static int airo_get_scan(struct net_device *dev,
7337 struct iw_request_info *info,
7338 struct iw_point *dwrq,
7339 char *extra)
7340{
7341 struct airo_info *ai = dev->priv;
9e75af30
DW		 7342 BSSListElement *net;
7343 int err = 0;
1da177e4
LT		 7344 char *current_ev = extra;
7345
9e75af30
DW		 7346 /* If a scan is in-progress, return -EAGAIN */
7347 if (ai->scan_timeout > 0)
1da177e4 7348 return -EAGAIN;
1da177e4 7349
9e75af30
DW		 7350 if (down_interruptible(&ai->sem))
7351 return -EAGAIN;
1da177e4 7352
9e75af30 7353 list_for_each_entry (net, &ai->network_list, list) {
1da177e4
LT		 7354 /* Translate to WE format this entry */
7355 current_ev = airo_translate_scan(dev, current_ev,
7356 extra + dwrq->length,
9e75af30 7357 &net->bss);
1da177e4
LT		 7358
7359 /* Check if there is space for one more entry */
7360 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7361 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7362 err = -E2BIG;
7363 goto out;
1da177e4 7364 }
1da177e4 7365 }
9e75af30 7366
1da177e4
LT		 7367 /* Length of data */
7368 dwrq->length = (current_ev - extra);
7369 dwrq->flags = 0; /* todo */
7370
9e75af30
DW		 7371out:
7372 up(&ai->sem);
7373 return err;
1da177e4
LT		 7374}
7375
7376/*------------------------------------------------------------------*/
7377/*
7378 * Commit handler : called after a bunch of SET operations
7379 */
7380static int airo_config_commit(struct net_device *dev,
7381 struct iw_request_info *info, /* NULL */
7382 void *zwrq, /* NULL */
7383 char *extra) /* NULL */
7384{
7385 struct airo_info *local = dev->priv;
1da177e4
LT		 7386
7387 if (!test_bit (FLAG_COMMIT, &local->flags))
7388 return 0;
7389
7390 /* Some of the "SET" function may have modified some of the
7391 * parameters. It's now time to commit them in the card */
7392 disable_MAC(local, 1);
7393 if (test_bit (FLAG_RESET, &local->flags)) {
7394 APListRid APList_rid;
7395 SsidRid SSID_rid;
7396
7397 readAPListRid(local, &APList_rid);
7398 readSsidRid(local, &SSID_rid);
7399 if (test_bit(FLAG_MPI,&local->flags))
7400 setup_card(local, dev->dev_addr, 1 );
7401 else
7402 reset_airo_card(dev);
7403 disable_MAC(local, 1);
7404 writeSsidRid(local, &SSID_rid, 1);
7405 writeAPListRid(local, &APList_rid, 1);
7406 }
7407 if (down_interruptible(&local->sem))
7408 return -ERESTARTSYS;
7409 writeConfigRid(local, 0);
175ec1a1 7410 enable_MAC(local, 0);
1da177e4
LT		 7411 if (test_bit (FLAG_RESET, &local->flags))
7412 airo_set_promisc(local);
7413 else
7414 up(&local->sem);
7415
7416 return 0;
7417}
7418
7419/*------------------------------------------------------------------*/
7420/*
7421 * Structures to export the Wireless Handlers
7422 */
7423
7424static const struct iw_priv_args airo_private_args[] = {
7425/*{ cmd, set_args, get_args, name } */
7426 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7427 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7428 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7429 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7430};
7431
7432static const iw_handler airo_handler[] =
7433{
7434 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7435 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7436 (iw_handler) NULL, /* SIOCSIWNWID */
7437 (iw_handler) NULL, /* SIOCGIWNWID */
7438 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7439 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7440 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7441 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7442 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7443 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7444 (iw_handler) NULL, /* SIOCSIWRANGE */
7445 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7446 (iw_handler) NULL, /* SIOCSIWPRIV */
7447 (iw_handler) NULL, /* SIOCGIWPRIV */
7448 (iw_handler) NULL, /* SIOCSIWSTATS */
7449 (iw_handler) NULL, /* SIOCGIWSTATS */
7450 iw_handler_set_spy, /* SIOCSIWSPY */
7451 iw_handler_get_spy, /* SIOCGIWSPY */
7452 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7453 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7454 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7455 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7456 (iw_handler) NULL, /* -- hole -- */
7457 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7458 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7459 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7460 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7461 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7462 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7463 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7464 (iw_handler) NULL, /* -- hole -- */
7465 (iw_handler) NULL, /* -- hole -- */
7466 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7467 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7468 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7469 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7470 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7471 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7472 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7473 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7474 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7475 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7476 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7477 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7478 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7479 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7480 (iw_handler) NULL, /* -- hole -- */
7481 (iw_handler) NULL, /* -- hole -- */
7482 (iw_handler) NULL, /* SIOCSIWGENIE */
7483 (iw_handler) NULL, /* SIOCGIWGENIE */
7484 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7485 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7486 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7487 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7488 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7489};
7490
7491/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7492 * We want to force the use of the ioctl code, because those can't be
7493 * won't work the iw_handler code (because they simultaneously read
7494 * and write data and iw_handler can't do that).
7495 * Note that it's perfectly legal to read/write on a single ioctl command,
7496 * you just can't use iwpriv and need to force it via the ioctl handler.
7497 * Jean II */
7498static const iw_handler airo_private_handler[] =
7499{
7500 NULL, /* SIOCIWFIRSTPRIV */
7501};
7502
7503static const struct iw_handler_def airo_handler_def =
7504{
ff8ac609
DC		 7505 .num_standard = ARRAY_SIZE(airo_handler),
7506 .num_private = ARRAY_SIZE(airo_private_handler),
7507 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7508 .standard = airo_handler,
7509 .private = airo_private_handler,
7510 .private_args = airo_private_args,
7511 .get_wireless_stats = airo_get_wireless_stats,
7512};
7513
1da177e4
LT		 7514/*
7515 * This defines the configuration part of the Wireless Extensions
7516 * Note : irq and spinlock protection will occur in the subroutines
7517 *
7518 * TODO :
7519 * o Check input value more carefully and fill correct values in range
7520 * o Test and shakeout the bugs (if any)
7521 *
7522 * Jean II
7523 *
7524 * Javier Achirica did a great job of merging code from the unnamed CISCO
7525 * developer that added support for flashing the card.
7526 */
7527static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7528{
7529 int rc = 0;
7530 struct airo_info *ai = (struct airo_info *)dev->priv;
7531
ca078bae 7532 if (ai->power.event)
1da177e4
LT		 7533 return 0;
7534
7535 switch (cmd) {
7536#ifdef CISCO_EXT
7537 case AIROIDIFC:
7538#ifdef AIROOLDIDIFC
7539 case AIROOLDIDIFC:
7540#endif
7541 {
7542 int val = AIROMAGIC;
7543 aironet_ioctl com;
7544 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7545 rc = -EFAULT;
7546 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7547 rc = -EFAULT;
7548 }
7549 break;
7550
7551 case AIROIOCTL:
7552#ifdef AIROOLDIOCTL
7553 case AIROOLDIOCTL:
7554#endif
7555 /* Get the command struct and hand it off for evaluation by
7556 * the proper subfunction
7557 */
7558 {
7559 aironet_ioctl com;
7560 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7561 rc = -EFAULT;
7562 break;
7563 }
7564
7565 /* Separate R/W functions bracket legality here
7566 */
7567 if ( com.command == AIRORSWVERSION ) {
7568 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7569 rc = -EFAULT;
7570 else
7571 rc = 0;
7572 }
7573 else if ( com.command <= AIRORRID)
7574 rc = readrids(dev,&com);
7575 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7576 rc = writerids(dev,&com);
7577 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7578 rc = flashcard(dev,&com);
7579 else
7580 rc = -EINVAL; /* Bad command in ioctl */
7581 }
7582 break;
7583#endif /* CISCO_EXT */
7584
7585 // All other calls are currently unsupported
7586 default:
7587 rc = -EOPNOTSUPP;
7588 }
7589 return rc;
7590}
7591
1da177e4
LT		 7592/*
7593 * Get the Wireless stats out of the driver
7594 * Note : irq and spinlock protection will occur in the subroutines
7595 *
7596 * TODO :
7597 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7598 *
7599 * Jean
7600 */
7601static void airo_read_wireless_stats(struct airo_info *local)
7602{
7603 StatusRid status_rid;
7604 StatsRid stats_rid;
7605 CapabilityRid cap_rid;
a23ace5f 7606 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7607
7608 /* Get stats out of the card */
3c304956 7609 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7610 if (local->power.event) {
1da177e4
LT		 7611 up(&local->sem);
7612 return;
7613 }
7614 readCapabilityRid(local, &cap_rid, 0);
7615 readStatusRid(local, &status_rid, 0);
7616 readStatsRid(local, &stats_rid, RID_STATS, 0);
7617 up(&local->sem);
7618
7619 /* The status */
329e2c00 7620 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7621
41480af2
DW		 7622 /* Signal quality and co */
7623 if (local->rssi) {
329e2c00
AV		 7624 local->wstats.qual.level =
7625 airo_rssi_to_dbm(local->rssi,
7626 le16_to_cpu(status_rid.sigQuality));
41480af2 7627 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7628 local->wstats.qual.qual =
7629 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7630 } else {
329e2c00
AV		 7631 local->wstats.qual.level =
7632 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7633 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7634 }
329e2c00 7635 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7636 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7637 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7638 } else {
7639 local->wstats.qual.noise = 0;
ce6623c3 7640 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7641 }
7642
7643 /* Packets discarded in the wireless adapter due to wireless
7644 * specific problems */
a23ace5f
AV		 7645 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7646 le32_to_cpu(vals[57]) +
7647 le32_to_cpu(vals[58]); /* SSID Mismatch */
7648 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7649 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7650 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7651 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7652 le32_to_cpu(vals[32]);
7653 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7654}
7655
ff1d2767 7656static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4
LT		 7657{
7658 struct airo_info *local = dev->priv;
7659
3c304956 7660 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7661 /* Get stats out of the card if available */
7662 if (down_trylock(&local->sem) != 0) {
3c304956 7663 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7664 wake_up_interruptible(&local->thr_wait);
7665 } else
7666 airo_read_wireless_stats(local);
7667 }
7668
7669 return &local->wstats;
7670}
1da177e4
LT		 7671
7672#ifdef CISCO_EXT
7673/*
7674 * This just translates from driver IOCTL codes to the command codes to
7675 * feed to the radio's host interface. Things can be added/deleted
7676 * as needed. This represents the READ side of control I/O to
7677 * the card
7678 */
7679static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7680 unsigned short ridcode;
7681 unsigned char *iobuf;
7682 int len;
7683 struct airo_info *ai = dev->priv;
1da177e4
LT		 7684
7685 if (test_bit(FLAG_FLASHING, &ai->flags))
7686 return -EIO;
7687
7688 switch(comp->command)
7689 {
7690 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7691 case AIROGCFG: ridcode = RID_CONFIG;
7692 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7693 disable_MAC (ai, 1);
7694 writeConfigRid (ai, 1);
175ec1a1 7695 enable_MAC(ai, 1);
1da177e4
LT		 7696 }
7697 break;
7698 case AIROGSLIST: ridcode = RID_SSID; break;
7699 case AIROGVLIST: ridcode = RID_APLIST; break;
7700 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7701 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7702 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7703 /* Only super-user can read WEP keys */
7704 if (!capable(CAP_NET_ADMIN))
7705 return -EPERM;
7706 break;
7707 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7708 /* Only super-user can read WEP keys */
7709 if (!capable(CAP_NET_ADMIN))
7710 return -EPERM;
7711 break;
7712 case AIROGSTAT: ridcode = RID_STATUS; break;
7713 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7714 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7715 case AIROGMICSTATS:
7716 if (copy_to_user(comp->data, &ai->micstats,
7717 min((int)comp->len,(int)sizeof(ai->micstats))))
7718 return -EFAULT;
7719 return 0;
1da177e4
LT		 7720 case AIRORRID: ridcode = comp->ridnum; break;
7721 default:
7722 return -EINVAL;
7723 break;
7724 }
7725
7726 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7727 return -ENOMEM;
7728
7729 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7730 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7731 * then return it to the user
7732 * 9/22/2000 Honor user given length
7733 */
7734 len = comp->len;
7735
7736 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7737 kfree (iobuf);
7738 return -EFAULT;
7739 }
7740 kfree (iobuf);
7741 return 0;
7742}
7743
7744/*
7745 * Danger Will Robinson write the rids here
7746 */
7747
7748static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7749 struct airo_info *ai = dev->priv;
7750 int ridcode;
1da177e4 7751 int enabled;
1da177e4
LT		 7752 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7753 unsigned char *iobuf;
7754
7755 /* Only super-user can write RIDs */
7756 if (!capable(CAP_NET_ADMIN))
7757 return -EPERM;
7758
7759 if (test_bit(FLAG_FLASHING, &ai->flags))
7760 return -EIO;
7761
7762 ridcode = 0;
7763 writer = do_writerid;
7764
7765 switch(comp->command)
7766 {
7767 case AIROPSIDS: ridcode = RID_SSID; break;
7768 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7769 case AIROPAPLIST: ridcode = RID_APLIST; break;
7770 case AIROPCFG: ai->config.len = 0;
7771 clear_bit(FLAG_COMMIT, &ai->flags);
7772 ridcode = RID_CONFIG; break;
7773 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7774 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7775 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7776 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7777 break;
7778 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7779 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7780
7781 /* this is not really a rid but a command given to the card
7782 * same with MAC off
7783 */
7784 case AIROPMACON:
175ec1a1 7785 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7786 return -EIO;
7787 return 0;
7788
7789 /*
7790 * Evidently this code in the airo driver does not get a symbol
7791 * as disable_MAC. it's probably so short the compiler does not gen one.
7792 */
7793 case AIROPMACOFF:
7794 disable_MAC(ai, 1);
7795 return 0;
7796
7797 /* This command merely clears the counts does not actually store any data
7798 * only reads rid. But as it changes the cards state, I put it in the
7799 * writerid routines.
7800 */
7801 case AIROPSTCLR:
7802 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7803 return -ENOMEM;
7804
7805 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7806
1da177e4
LT		 7807 enabled = ai->micstats.enabled;
7808 memset(&ai->micstats,0,sizeof(ai->micstats));
7809 ai->micstats.enabled = enabled;
1da177e4
LT		 7810
7811 if (copy_to_user(comp->data, iobuf,
7812 min((int)comp->len, (int)RIDSIZE))) {
7813 kfree (iobuf);
7814 return -EFAULT;
7815 }
7816 kfree (iobuf);
7817 return 0;
7818
7819 default:
7820 return -EOPNOTSUPP; /* Blarg! */
7821 }
7822 if(comp->len > RIDSIZE)
7823 return -EINVAL;
7824
7825 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7826 return -ENOMEM;
7827
7828 if (copy_from_user(iobuf,comp->data,comp->len)) {
7829 kfree (iobuf);
7830 return -EFAULT;
7831 }
7832
7833 if (comp->command == AIROPCFG) {
7834 ConfigRid *cfg = (ConfigRid *)iobuf;
7835
7836 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7837 cfg->opmode |= MODE_MIC;
1da177e4 7838
3eb9b41f 7839 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7840 set_bit (FLAG_ADHOC, &ai->flags);
7841 else
7842 clear_bit (FLAG_ADHOC, &ai->flags);
7843 }
7844
7845 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7846 kfree (iobuf);
7847 return -EIO;
7848 }
7849 kfree (iobuf);
7850 return 0;
7851}
7852
7853/*****************************************************************************
7854 * Ancillary flash / mod functions much black magic lurkes here *
7855 *****************************************************************************
7856 */
7857
7858/*
7859 * Flash command switch table
7860 */
7861
ff1d2767 7862static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7863 int z;
1da177e4
LT		 7864
7865 /* Only super-user can modify flash */
7866 if (!capable(CAP_NET_ADMIN))
7867 return -EPERM;
7868
7869 switch(comp->command)
7870 {
7871 case AIROFLSHRST:
7872 return cmdreset((struct airo_info *)dev->priv);
7873
7874 case AIROFLSHSTFL:
7875 if (!((struct airo_info *)dev->priv)->flash &&
7876 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7877 return -ENOMEM;
7878 return setflashmode((struct airo_info *)dev->priv);
7879
7880 case AIROFLSHGCHR: /* Get char from aux */
7881 if(comp->len != sizeof(int))
7882 return -EINVAL;
7883 if (copy_from_user(&z,comp->data,comp->len))
7884 return -EFAULT;
7885 return flashgchar((struct airo_info *)dev->priv,z,8000);
7886
7887 case AIROFLSHPCHR: /* Send char to card. */
7888 if(comp->len != sizeof(int))
7889 return -EINVAL;
7890 if (copy_from_user(&z,comp->data,comp->len))
7891 return -EFAULT;
7892 return flashpchar((struct airo_info *)dev->priv,z,8000);
7893
7894 case AIROFLPUTBUF: /* Send 32k to card */
7895 if (!((struct airo_info *)dev->priv)->flash)
7896 return -ENOMEM;
7897 if(comp->len > FLASHSIZE)
7898 return -EINVAL;
7899 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7900 return -EFAULT;
7901
7902 flashputbuf((struct airo_info *)dev->priv);
7903 return 0;
7904
7905 case AIRORESTART:
7906 if(flashrestart((struct airo_info *)dev->priv,dev))
7907 return -EIO;
7908 return 0;
7909 }
7910 return -EINVAL;
7911}
7912
7913#define FLASH_COMMAND 0x7e7e
7914
7915/*
7916 * STEP 1)
7917 * Disable MAC and do soft reset on
7918 * card.
7919 */
7920
ff1d2767 7921static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 7922 disable_MAC(ai, 1);
7923
7924 if(!waitbusy (ai)){
934d8bf1 7925 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 7926 return -EBUSY;
7927 }
7928
7929 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7930
7931 ssleep(1); /* WAS 600 12/7/00 */
7932
7933 if(!waitbusy (ai)){
934d8bf1 7934 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 7935 return -EBUSY;
7936 }
7937 return 0;
7938}
7939
7940/* STEP 2)
7941 * Put the card in legendary flash
7942 * mode
7943 */
7944
ff1d2767 7945static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 7946 set_bit (FLAG_FLASHING, &ai->flags);
7947
7948 OUT4500(ai, SWS0, FLASH_COMMAND);
7949 OUT4500(ai, SWS1, FLASH_COMMAND);
7950 if (probe) {
7951 OUT4500(ai, SWS0, FLASH_COMMAND);
7952 OUT4500(ai, COMMAND,0x10);
7953 } else {
7954 OUT4500(ai, SWS2, FLASH_COMMAND);
7955 OUT4500(ai, SWS3, FLASH_COMMAND);
7956 OUT4500(ai, COMMAND,0);
7957 }
7958 msleep(500); /* 500ms delay */
7959
7960 if(!waitbusy(ai)) {
7961 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 7962 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 7963 return -EIO;
7964 }
7965 return 0;
7966}
7967
7968/* Put character to SWS0 wait for dwelltime
7969 * x 50us for echo .
7970 */
7971
ff1d2767 7972static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 7973 int echo;
7974 int waittime;
7975
7976 byte |= 0x8000;
7977
7978 if(dwelltime == 0 )
7979 dwelltime = 200;
7980
7981 waittime=dwelltime;
7982
7983 /* Wait for busy bit d15 to go false indicating buffer empty */
7984 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7985 udelay (50);
7986 waittime -= 50;
7987 }
7988
7989 /* timeout for busy clear wait */
7990 if(waittime <= 0 ){
934d8bf1 7991 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 7992 return -EBUSY;
7993 }
7994
7995 /* Port is clear now write byte and wait for it to echo back */
7996 do {
7997 OUT4500(ai,SWS0,byte);
7998 udelay(50);
7999 dwelltime -= 50;
8000 echo = IN4500(ai,SWS1);
8001 } while (dwelltime >= 0 && echo != byte);
8002
8003 OUT4500(ai,SWS1,0);
8004
8005 return (echo == byte) ? 0 : -EIO;
8006}
8007
8008/*
8009 * Get a character from the card matching matchbyte
8010 * Step 3)
8011 */
ff1d2767 8012static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8013 int rchar;
8014 unsigned char rbyte=0;
8015
8016 do {
8017 rchar = IN4500(ai,SWS1);
8018
8019 if(dwelltime && !(0x8000 & rchar)){
8020 dwelltime -= 10;
8021 mdelay(10);
8022 continue;
8023 }
8024 rbyte = 0xff & rchar;
8025
8026 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8027 OUT4500(ai,SWS1,0);
8028 return 0;
8029 }
8030 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8031 break;
8032 OUT4500(ai,SWS1,0);
8033
8034 }while(dwelltime > 0);
8035 return -EIO;
8036}
8037
8038/*
8039 * Transfer 32k of firmware data from user buffer to our buffer and
8040 * send to the card
8041 */
8042
ff1d2767 8043static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8044 int nwords;
8045
8046 /* Write stuff */
8047 if (test_bit(FLAG_MPI,&ai->flags))
8048 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8049 else {
8050 OUT4500(ai,AUXPAGE,0x100);
8051 OUT4500(ai,AUXOFF,0);
8052
8053 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8054 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8055 }
8056 }
8057 OUT4500(ai,SWS0,0x8000);
8058
8059 return 0;
8060}
8061
8062/*
8063 *
8064 */
ff1d2767 8065static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8066 int i,status;
8067
8068 ssleep(1); /* Added 12/7/00 */
8069 clear_bit (FLAG_FLASHING, &ai->flags);
8070 if (test_bit(FLAG_MPI, &ai->flags)) {
8071 status = mpi_init_descriptors(ai);
8072 if (status != SUCCESS)
8073 return status;
8074 }
8075 status = setup_card(ai, dev->dev_addr, 1);
8076
8077 if (!test_bit(FLAG_MPI,&ai->flags))
8078 for( i = 0; i < MAX_FIDS; i++ ) {
8079 ai->fids[i] = transmit_allocate
15db2763 8080 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8081 }
8082
8083 ssleep(1); /* Added 12/7/00 */
8084 return status;
8085}
8086#endif /* CISCO_EXT */
8087
8088/*
8089 This program is free software; you can redistribute it and/or
8090 modify it under the terms of the GNU General Public License
8091 as published by the Free Software Foundation; either version 2
8092 of the License, or (at your option) any later version.
8093
8094 This program is distributed in the hope that it will be useful,
8095 but WITHOUT ANY WARRANTY; without even the implied warranty of
8096 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8097 GNU General Public License for more details.
8098
8099 In addition:
8100
8101 Redistribution and use in source and binary forms, with or without
8102 modification, are permitted provided that the following conditions
8103 are met:
8104
8105 1. Redistributions of source code must retain the above copyright
8106 notice, this list of conditions and the following disclaimer.
8107 2. Redistributions in binary form must reproduce the above copyright
8108 notice, this list of conditions and the following disclaimer in the
8109 documentation and/or other materials provided with the distribution.
8110 3. The name of the author may not be used to endorse or promote
8111 products derived from this software without specific prior written
8112 permission.
8113
8114 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8115 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8116 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8117 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8118 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8119 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8120 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8121 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8122 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8123 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8124 POSSIBILITY OF SUCH DAMAGE.
8125*/
8126
8127module_init(airo_init_module);
8128module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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