Merge branch 'for-3.5/drivers' of git://git.kernel.dk/linux-block
[GitHub/mt8127/android_kernel_alcatel_ttab.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 39#include <asm/io.h>
593c2b9c 40#include <asm/unaligned.h>
1da177e4
LT
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <asm/uaccess.h>
3b4c7d64 49#include <linux/kthread.h>
7dfb7103 50#include <linux/freezer.h>
1da177e4 51
2c706002 52#include <linux/ieee80211.h>
2bf9fa69 53#include <net/iw_handler.h>
2c706002 54
d3808760
AB
55#include "airo.h"
56
1138c37b
MS
57#define DRV_NAME "airo"
58
1da177e4 59#ifdef CONFIG_PCI
a3aa1884 60static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
1da177e4
LT
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
05adc3b7 74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT
75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
1138c37b 78 .name = DRV_NAME,
1da177e4
LT
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
e292c737
PM
89#define WIRELESS_SPY /* enable iwspy support */
90#include <net/iw_handler.h> /* New driver API */
1da177e4 91
e292c737 92#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT
93#ifdef CISCO_EXT
94#include <linux/delay.h>
95#endif
96
1da177e4
LT
97/* Hack to do some power saving */
98#define POWER_ON_DOWN
99
100/* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
105
106#define IGNLABEL(comment) NULL
7a374d8e 107static const char *statsLabels[] = {
1da177e4
LT
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209#ifndef RUN_AT
210#define RUN_AT(x) (jiffies+(x))
211#endif
212
213
214/* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
217
218static int rates[8];
1da177e4
LT
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");
85ee7a1d
JP
244MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
245 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
1da177e4
LT
246MODULE_LICENSE("Dual BSD/GPL");
247MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248module_param_array(io, int, NULL, 0);
249module_param_array(irq, int, NULL, 0);
1da177e4
LT
250module_param_array(rates, int, NULL, 0);
251module_param_array(ssids, charp, NULL, 0);
252module_param(auto_wep, int, 0);
85ee7a1d
JP
253MODULE_PARM_DESC(auto_wep,
254 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
255 "The value of auto_wep is number of the wep keys to check. "
256 "A value of 2 will try using the key at index 0 and index 1.");
1da177e4 257module_param(aux_bap, int, 0);
85ee7a1d
JP
258MODULE_PARM_DESC(aux_bap,
259 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
260 "Before switching it checks that the switch is needed.");
1da177e4 261module_param(maxencrypt, int, 0);
85ee7a1d
JP
262MODULE_PARM_DESC(maxencrypt,
263 "The maximum speed that the card can do encryption. "
264 "Units are in 512kbs. "
265 "Zero (default) means there is no limit. "
266 "Older cards used to be limited to 2mbs (4).");
1da177e4
LT
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!!! */
e292c737 284static int do8bitIO /* = 0 */;
1da177e4
LT
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 */
e292c737
PM
401#define BAP0 0 /* Used for receiving packets */
402#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT
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
1da177e4
LT
498/* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
99590ffe
DW
500typedef struct WepKeyRid WepKeyRid;
501struct WepKeyRid {
4293ea33
AV
502 __le16 len;
503 __le16 kindex;
1da177e4 504 u8 mac[ETH_ALEN];
4293ea33 505 __le16 klen;
1da177e4 506 u8 key[16];
ba2d3587 507} __packed;
1da177e4
LT
508
509/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW
510typedef struct Ssid Ssid;
511struct Ssid {
0dd2212f 512 __le16 len;
1da177e4 513 u8 ssid[32];
ba2d3587 514} __packed;
1da177e4 515
99590ffe
DW
516typedef struct SsidRid SsidRid;
517struct SsidRid {
0dd2212f 518 __le16 len;
1da177e4 519 Ssid ssids[3];
ba2d3587 520} __packed;
1da177e4 521
99590ffe
DW
522typedef struct ModulationRid ModulationRid;
523struct ModulationRid {
3eb9b41f
AV
524 __le16 len;
525 __le16 modulation;
526#define MOD_DEFAULT cpu_to_le16(0)
527#define MOD_CCK cpu_to_le16(1)
528#define MOD_MOK cpu_to_le16(2)
ba2d3587 529} __packed;
1da177e4 530
99590ffe
DW
531typedef struct ConfigRid ConfigRid;
532struct ConfigRid {
3eb9b41f
AV
533 __le16 len; /* sizeof(ConfigRid) */
534 __le16 opmode; /* operating mode */
535#define MODE_STA_IBSS cpu_to_le16(0)
536#define MODE_STA_ESS cpu_to_le16(1)
537#define MODE_AP cpu_to_le16(2)
538#define MODE_AP_RPTR cpu_to_le16(3)
539#define MODE_CFG_MASK cpu_to_le16(0xff)
540#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
541#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
542#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
543#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
544#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
545#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
546#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
547#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
548#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
549 __le16 rmode; /* receive mode */
550#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
551#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
552#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
553#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
554#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
555#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
556#define RXMODE_MASK cpu_to_le16(255)
557#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
558#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
559#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
560 __le16 fragThresh;
561 __le16 rtsThres;
1da177e4
LT
562 u8 macAddr[ETH_ALEN];
563 u8 rates[8];
3eb9b41f
AV
564 __le16 shortRetryLimit;
565 __le16 longRetryLimit;
566 __le16 txLifetime; /* in kusec */
567 __le16 rxLifetime; /* in kusec */
568 __le16 stationary;
569 __le16 ordering;
570 __le16 u16deviceType; /* for overriding device type */
571 __le16 cfpRate;
572 __le16 cfpDuration;
573 __le16 _reserved1[3];
1da177e4 574 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV
575 __le16 scanMode;
576#define SCANMODE_ACTIVE cpu_to_le16(0)
577#define SCANMODE_PASSIVE cpu_to_le16(1)
578#define SCANMODE_AIROSCAN cpu_to_le16(2)
579 __le16 probeDelay; /* in kusec */
580 __le16 probeEnergyTimeout; /* in kusec */
581 __le16 probeResponseTimeout;
582 __le16 beaconListenTimeout;
583 __le16 joinNetTimeout;
584 __le16 authTimeout;
585 __le16 authType;
586#define AUTH_OPEN cpu_to_le16(0x1)
587#define AUTH_ENCRYPT cpu_to_le16(0x101)
588#define AUTH_SHAREDKEY cpu_to_le16(0x102)
589#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
590 __le16 associationTimeout;
591 __le16 specifiedApTimeout;
592 __le16 offlineScanInterval;
593 __le16 offlineScanDuration;
594 __le16 linkLossDelay;
595 __le16 maxBeaconLostTime;
596 __le16 refreshInterval;
597#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
598 __le16 _reserved1a[1];
1da177e4 599 /*---------- Power save operation ----------*/
3eb9b41f
AV
600 __le16 powerSaveMode;
601#define POWERSAVE_CAM cpu_to_le16(0)
602#define POWERSAVE_PSP cpu_to_le16(1)
603#define POWERSAVE_PSPCAM cpu_to_le16(2)
604 __le16 sleepForDtims;
605 __le16 listenInterval;
606 __le16 fastListenInterval;
607 __le16 listenDecay;
608 __le16 fastListenDelay;
609 __le16 _reserved2[2];
1da177e4 610 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV
611 __le16 beaconPeriod;
612 __le16 atimDuration;
613 __le16 hopPeriod;
614 __le16 channelSet;
615 __le16 channel;
616 __le16 dtimPeriod;
617 __le16 bridgeDistance;
618 __le16 radioID;
1da177e4 619 /*---------- Radio configuration ----------*/
3eb9b41f
AV
620 __le16 radioType;
621#define RADIOTYPE_DEFAULT cpu_to_le16(0)
622#define RADIOTYPE_802_11 cpu_to_le16(1)
623#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT
624 u8 rxDiversity;
625 u8 txDiversity;
3eb9b41f 626 __le16 txPower;
1da177e4 627#define TXPOWER_DEFAULT 0
3eb9b41f 628 __le16 rssiThreshold;
1da177e4 629#define RSSI_DEFAULT 0
3eb9b41f
AV
630 __le16 modulation;
631#define PREAMBLE_AUTO cpu_to_le16(0)
632#define PREAMBLE_LONG cpu_to_le16(1)
633#define PREAMBLE_SHORT cpu_to_le16(2)
634 __le16 preamble;
635 __le16 homeProduct;
636 __le16 radioSpecific;
1da177e4
LT
637 /*---------- Aironet Extensions ----------*/
638 u8 nodeName[16];
3eb9b41f
AV
639 __le16 arlThreshold;
640 __le16 arlDecay;
641 __le16 arlDelay;
642 __le16 _reserved4[1];
1da177e4
LT
643 /*---------- Aironet Extensions ----------*/
644 u8 magicAction;
645#define MAGIC_ACTION_STSCHG 1
646#define MAGIC_ACTION_RESUME 2
647#define MAGIC_IGNORE_MCAST (1<<8)
648#define MAGIC_IGNORE_BCAST (1<<9)
649#define MAGIC_SWITCH_TO_PSP (0<<10)
650#define MAGIC_STAY_IN_CAM (1<<10)
651 u8 magicControl;
3eb9b41f 652 __le16 autoWake;
ba2d3587 653} __packed;
1da177e4 654
99590ffe
DW
655typedef struct StatusRid StatusRid;
656struct StatusRid {
329e2c00 657 __le16 len;
1da177e4 658 u8 mac[ETH_ALEN];
329e2c00
AV
659 __le16 mode;
660 __le16 errorCode;
661 __le16 sigQuality;
662 __le16 SSIDlen;
1da177e4
LT
663 char SSID[32];
664 char apName[16];
665 u8 bssid[4][ETH_ALEN];
329e2c00
AV
666 __le16 beaconPeriod;
667 __le16 dimPeriod;
668 __le16 atimDuration;
669 __le16 hopPeriod;
670 __le16 channelSet;
671 __le16 channel;
672 __le16 hopsToBackbone;
673 __le16 apTotalLoad;
674 __le16 generatedLoad;
675 __le16 accumulatedArl;
676 __le16 signalQuality;
677 __le16 currentXmitRate;
678 __le16 apDevExtensions;
679 __le16 normalizedSignalStrength;
680 __le16 shortPreamble;
1da177e4
LT
681 u8 apIP[4];
682 u8 noisePercent; /* Noise percent in last second */
683 u8 noisedBm; /* Noise dBm in last second */
684 u8 noiseAvePercent; /* Noise percent in last minute */
685 u8 noiseAvedBm; /* Noise dBm in last minute */
686 u8 noiseMaxPercent; /* Highest noise percent in last minute */
687 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 688 __le16 load;
1da177e4 689 u8 carrier[4];
329e2c00 690 __le16 assocStatus;
1da177e4
LT
691#define STAT_NOPACKETS 0
692#define STAT_NOCARRIERSET 10
693#define STAT_GOTCARRIERSET 11
694#define STAT_WRONGSSID 20
695#define STAT_BADCHANNEL 25
696#define STAT_BADBITRATES 30
697#define STAT_BADPRIVACY 35
698#define STAT_APFOUND 40
699#define STAT_APREJECTED 50
700#define STAT_AUTHENTICATING 60
701#define STAT_DEAUTHENTICATED 61
702#define STAT_AUTHTIMEOUT 62
703#define STAT_ASSOCIATING 70
704#define STAT_DEASSOCIATED 71
705#define STAT_ASSOCTIMEOUT 72
706#define STAT_NOTAIROAP 73
707#define STAT_ASSOCIATED 80
708#define STAT_LEAPING 90
709#define STAT_LEAPFAILED 91
710#define STAT_LEAPTIMEDOUT 92
711#define STAT_LEAPCOMPLETE 93
ba2d3587 712} __packed;
1da177e4 713
99590ffe
DW
714typedef struct StatsRid StatsRid;
715struct StatsRid {
a23ace5f
AV
716 __le16 len;
717 __le16 spacer;
718 __le32 vals[100];
ba2d3587 719} __packed;
1da177e4 720
99590ffe
DW
721typedef struct APListRid APListRid;
722struct APListRid {
a749716e 723 __le16 len;
1da177e4 724 u8 ap[4][ETH_ALEN];
ba2d3587 725} __packed;
1da177e4 726
99590ffe
DW
727typedef struct CapabilityRid CapabilityRid;
728struct CapabilityRid {
56d81bd3 729 __le16 len;
1da177e4
LT
730 char oui[3];
731 char zero;
56d81bd3 732 __le16 prodNum;
1da177e4
LT
733 char manName[32];
734 char prodName[16];
735 char prodVer[8];
736 char factoryAddr[ETH_ALEN];
737 char aironetAddr[ETH_ALEN];
56d81bd3
AV
738 __le16 radioType;
739 __le16 country;
1da177e4
LT
740 char callid[ETH_ALEN];
741 char supportedRates[8];
742 char rxDiversity;
743 char txDiversity;
56d81bd3
AV
744 __le16 txPowerLevels[8];
745 __le16 hardVer;
746 __le16 hardCap;
747 __le16 tempRange;
748 __le16 softVer;
749 __le16 softSubVer;
750 __le16 interfaceVer;
751 __le16 softCap;
752 __le16 bootBlockVer;
753 __le16 requiredHard;
754 __le16 extSoftCap;
ba2d3587 755} __packed;
3c304956
DW
756
757/* Only present on firmware >= 5.30.17 */
99590ffe
DW
758typedef struct BSSListRidExtra BSSListRidExtra;
759struct BSSListRidExtra {
17e70491 760 __le16 unknown[4];
3c304956
DW
761 u8 fixed[12]; /* WLAN management frame */
762 u8 iep[624];
ba2d3587 763} __packed;
3c304956 764
99590ffe
DW
765typedef struct BSSListRid BSSListRid;
766struct BSSListRid {
17e70491
AV
767 __le16 len;
768 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT
769#define RADIO_FH 1 /* Frequency hopping radio type */
770#define RADIO_DS 2 /* Direct sequence radio type */
771#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 772 __le16 radioType;
1da177e4
LT
773 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
774 u8 zero;
775 u8 ssidLen;
776 u8 ssid[32];
17e70491
AV
777 __le16 dBm;
778#define CAP_ESS cpu_to_le16(1<<0)
779#define CAP_IBSS cpu_to_le16(1<<1)
780#define CAP_PRIVACY cpu_to_le16(1<<4)
781#define CAP_SHORTHDR cpu_to_le16(1<<5)
782 __le16 cap;
783 __le16 beaconInterval;
1da177e4
LT
784 u8 rates[8]; /* Same as rates for config rid */
785 struct { /* For frequency hopping only */
17e70491 786 __le16 dwell;
1da177e4
LT
787 u8 hopSet;
788 u8 hopPattern;
789 u8 hopIndex;
790 u8 fill;
791 } fh;
17e70491
AV
792 __le16 dsChannel;
793 __le16 atimWindow;
3c304956
DW
794
795 /* Only present on firmware >= 5.30.17 */
796 BSSListRidExtra extra;
ba2d3587 797} __packed;
1da177e4 798
9e75af30
DW
799typedef struct {
800 BSSListRid bss;
801 struct list_head list;
802} BSSListElement;
803
99590ffe
DW
804typedef struct tdsRssiEntry tdsRssiEntry;
805struct tdsRssiEntry {
1da177e4
LT
806 u8 rssipct;
807 u8 rssidBm;
ba2d3587 808} __packed;
1da177e4 809
99590ffe
DW
810typedef struct tdsRssiRid tdsRssiRid;
811struct tdsRssiRid {
1da177e4
LT
812 u16 len;
813 tdsRssiEntry x[256];
ba2d3587 814} __packed;
1da177e4 815
99590ffe
DW
816typedef struct MICRid MICRid;
817struct MICRid {
818 __le16 len;
819 __le16 state;
820 __le16 multicastValid;
1da177e4 821 u8 multicast[16];
99590ffe 822 __le16 unicastValid;
1da177e4 823 u8 unicast[16];
ba2d3587 824} __packed;
1da177e4 825
99590ffe
DW
826typedef struct MICBuffer MICBuffer;
827struct MICBuffer {
593c2b9c 828 __be16 typelen;
1da177e4
LT
829
830 union {
831 u8 snap[8];
832 struct {
833 u8 dsap;
834 u8 ssap;
835 u8 control;
836 u8 orgcode[3];
837 u8 fieldtype[2];
838 } llc;
839 } u;
593c2b9c
AV
840 __be32 mic;
841 __be32 seq;
ba2d3587 842} __packed;
1da177e4
LT
843
844typedef struct {
845 u8 da[ETH_ALEN];
846 u8 sa[ETH_ALEN];
847} etherHead;
848
1da177e4
LT
849#define TXCTL_TXOK (1<<1) /* report if tx is ok */
850#define TXCTL_TXEX (1<<2) /* report if tx fails */
851#define TXCTL_802_3 (0<<3) /* 802.3 packet */
852#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
853#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
854#define TXCTL_LLC (1<<4) /* payload is llc */
855#define TXCTL_RELEASE (0<<5) /* release after completion */
856#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
857
858#define BUSY_FID 0x10000
859
860#ifdef CISCO_EXT
861#define AIROMAGIC 0xa55a
862/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
863#ifdef SIOCIWFIRSTPRIV
864#ifdef SIOCDEVPRIVATE
865#define AIROOLDIOCTL SIOCDEVPRIVATE
866#define AIROOLDIDIFC AIROOLDIOCTL + 1
867#endif /* SIOCDEVPRIVATE */
868#else /* SIOCIWFIRSTPRIV */
869#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
870#endif /* SIOCIWFIRSTPRIV */
871/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
872 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
873 * only and don't return the modified struct ifreq to the application which
874 * is usually a problem. - Jean II */
875#define AIROIOCTL SIOCIWFIRSTPRIV
876#define AIROIDIFC AIROIOCTL + 1
877
878/* Ioctl constants to be used in airo_ioctl.command */
879
880#define AIROGCAP 0 // Capability rid
881#define AIROGCFG 1 // USED A LOT
882#define AIROGSLIST 2 // System ID list
883#define AIROGVLIST 3 // List of specified AP's
884#define AIROGDRVNAM 4 // NOTUSED
885#define AIROGEHTENC 5 // NOTUSED
886#define AIROGWEPKTMP 6
887#define AIROGWEPKNV 7
888#define AIROGSTAT 8
889#define AIROGSTATSC32 9
890#define AIROGSTATSD32 10
891#define AIROGMICRID 11
892#define AIROGMICSTATS 12
893#define AIROGFLAGS 13
894#define AIROGID 14
895#define AIRORRID 15
896#define AIRORSWVERSION 17
897
898/* Leave gap of 40 commands after AIROGSTATSD32 for future */
899
900#define AIROPCAP AIROGSTATSD32 + 40
901#define AIROPVLIST AIROPCAP + 1
902#define AIROPSLIST AIROPVLIST + 1
903#define AIROPCFG AIROPSLIST + 1
904#define AIROPSIDS AIROPCFG + 1
905#define AIROPAPLIST AIROPSIDS + 1
906#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
907#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
908#define AIROPSTCLR AIROPMACOFF + 1
909#define AIROPWEPKEY AIROPSTCLR + 1
910#define AIROPWEPKEYNV AIROPWEPKEY + 1
911#define AIROPLEAPPWD AIROPWEPKEYNV + 1
912#define AIROPLEAPUSR AIROPLEAPPWD + 1
913
914/* Flash codes */
915
916#define AIROFLSHRST AIROPWEPKEYNV + 40
917#define AIROFLSHGCHR AIROFLSHRST + 1
918#define AIROFLSHSTFL AIROFLSHGCHR + 1
919#define AIROFLSHPCHR AIROFLSHSTFL + 1
920#define AIROFLPUTBUF AIROFLSHPCHR + 1
921#define AIRORESTART AIROFLPUTBUF + 1
922
923#define FLASHSIZE 32768
924#define AUXMEMSIZE (256 * 1024)
925
926typedef struct aironet_ioctl {
927 unsigned short command; // What to do
928 unsigned short len; // Len of data
929 unsigned short ridnum; // rid number
930 unsigned char __user *data; // d-data
931} aironet_ioctl;
932
7a374d8e 933static const char swversion[] = "2.1";
1da177e4
LT
934#endif /* CISCO_EXT */
935
936#define NUM_MODULES 2
937#define MIC_MSGLEN_MAX 2400
938#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 939#define AIRO_DEF_MTU 2312
1da177e4
LT
940
941typedef struct {
942 u32 size; // size
943 u8 enabled; // MIC enabled or not
944 u32 rxSuccess; // successful packets received
945 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
946 u32 rxNotMICed; // pkts dropped due to not being MIC'd
947 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
948 u32 rxWrongSequence; // pkts dropped due to sequence number violation
949 u32 reserve[32];
950} mic_statistics;
951
952typedef struct {
953 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
954 u64 accum; // accumulated mic, reduced to u32 in final()
955 int position; // current position (byte offset) in message
956 union {
957 u8 d8[4];
593c2b9c 958 __be32 d32;
1da177e4
LT
959 } part; // saves partial message word across update() calls
960} emmh32_context;
961
962typedef struct {
963 emmh32_context seed; // Context - the seed
964 u32 rx; // Received sequence number
965 u32 tx; // Tx sequence number
966 u32 window; // Start of window
967 u8 valid; // Flag to say if context is valid or not
968 u8 key[16];
969} miccntx;
970
971typedef struct {
972 miccntx mCtx; // Multicast context
973 miccntx uCtx; // Unicast context
974} mic_module;
975
976typedef struct {
977 unsigned int rid: 16;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981} Rid;
982
983typedef struct {
984 unsigned int offset: 15;
985 unsigned int eoc: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989} TxFid;
990
f55d4517
DW
991struct rx_hdr {
992 __le16 status, len;
993 u8 rssi[2];
994 u8 rate;
995 u8 freq;
996 __le16 tmp[4];
ba2d3587 997} __packed;
f55d4517 998
1da177e4
LT
999typedef struct {
1000 unsigned int ctl: 15;
1001 unsigned int rdy: 1;
1002 unsigned int len: 15;
1003 unsigned int valid: 1;
1004 dma_addr_t host_addr;
1005} RxFid;
1006
1007/*
1008 * Host receive descriptor
1009 */
1010typedef struct {
1011 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1012 desc */
1013 RxFid rx_desc; /* card receive descriptor */
1014 char *virtual_host_addr; /* virtual address of host receive
1015 buffer */
1016 int pending;
1017} HostRxDesc;
1018
1019/*
1020 * Host transmit descriptor
1021 */
1022typedef struct {
1023 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1024 desc */
1025 TxFid tx_desc; /* card transmit descriptor */
1026 char *virtual_host_addr; /* virtual address of host receive
1027 buffer */
1028 int pending;
1029} HostTxDesc;
1030
1031/*
1032 * Host RID descriptor
1033 */
1034typedef struct {
1035 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1036 descriptor */
1037 Rid rid_desc; /* card RID descriptor */
1038 char *virtual_host_addr; /* virtual address of host receive
1039 buffer */
1040} HostRidDesc;
1041
1042typedef struct {
1043 u16 sw0;
1044 u16 sw1;
1045 u16 status;
1046 u16 len;
1047#define HOST_SET (1 << 0)
1048#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1049#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1050#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1051#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1052#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1053#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1054#define HOST_RTS (1 << 9) /* Force RTS use */
1055#define HOST_SHORT (1 << 10) /* Do short preamble */
1056 u16 ctl;
1057 u16 aid;
1058 u16 retries;
1059 u16 fill;
1060} TxCtlHdr;
1061
1062typedef struct {
1063 u16 ctl;
1064 u16 duration;
1065 char addr1[6];
1066 char addr2[6];
1067 char addr3[6];
1068 u16 seq;
1069 char addr4[6];
1070} WifiHdr;
1071
1072
1073typedef struct {
1074 TxCtlHdr ctlhdr;
1075 u16 fill1;
1076 u16 fill2;
1077 WifiHdr wifihdr;
1078 u16 gaplen;
1079 u16 status;
1080} WifiCtlHdr;
1081
ff1d2767 1082static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT
1083 .ctlhdr = {
1084 .ctl = HOST_DONT_RLSE,
1085 }
1086};
1087
1da177e4
LT
1088// A few details needed for WEP (Wireless Equivalent Privacy)
1089#define MAX_KEY_SIZE 13 // 128 (?) bits
1090#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1091typedef struct wep_key_t {
1092 u16 len;
1093 u8 key[16]; /* 40-bit and 104-bit keys */
1094} wep_key_t;
1095
1da177e4
LT
1096/* List of Wireless Handlers (new API) */
1097static const struct iw_handler_def airo_handler_def;
1da177e4
LT
1098
1099static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1100
1101struct airo_info;
1102
1103static int get_dec_u16( char *buffer, int *start, int limit );
1104static void OUT4500( struct airo_info *, u16 register, u16 value );
1105static unsigned short IN4500( struct airo_info *, u16 register );
1106static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1107static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT
1108static void disable_MAC(struct airo_info *ai, int lock);
1109static void enable_interrupts(struct airo_info*);
1110static void disable_interrupts(struct airo_info*);
1111static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1112static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1113static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1114 int whichbap);
b8c06bc1 1115static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1116 int whichbap);
b8c06bc1 1117static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT
1118 int whichbap);
1119static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1120static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1121static int PC4500_writerid(struct airo_info*, u16 rid, const void
1122 *pBuf, int len, int lock);
1123static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1124 int len, int dummy );
1125static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1126static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1127static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1128
1129static int mpi_send_packet (struct net_device *dev);
1130static void mpi_unmap_card(struct pci_dev *pci);
1131static void mpi_receive_802_3(struct airo_info *ai);
1132static void mpi_receive_802_11(struct airo_info *ai);
1133static int waitbusy (struct airo_info *ai);
1134
7d12e780 1135static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT
1136static int airo_thread(void *data);
1137static void timer_func( struct net_device *dev );
1138static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1139static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1140static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT
1141#ifdef CISCO_EXT
1142static int readrids(struct net_device *dev, aironet_ioctl *comp);
1143static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1144static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1145#endif /* CISCO_EXT */
1da177e4
LT
1146static void micinit(struct airo_info *ai);
1147static int micsetup(struct airo_info *ai);
1148static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1149static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1150
41480af2
DW
1151static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1152static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1153
9e75af30
DW
1154static void airo_networks_free(struct airo_info *ai);
1155
1da177e4 1156struct airo_info {
1da177e4 1157 struct net_device *dev;
af5b5c9a 1158 struct list_head dev_list;
1da177e4
LT
1159 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1160 use the high bit to mark whether it is in use. */
1161#define MAX_FIDS 6
1162#define MPI_MAX_FIDS 1
9e05a2df 1163 u32 fids[MAX_FIDS];
1da177e4
LT
1164 ConfigRid config;
1165 char keyindex; // Used with auto wep
1166 char defindex; // Used with auto wep
1167 struct proc_dir_entry *proc_entry;
1168 spinlock_t aux_lock;
1da177e4
LT
1169#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1170#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1171#define FLAG_RADIO_MASK 0x03
1172#define FLAG_ENABLED 2
1173#define FLAG_ADHOC 3 /* Needed by MIC */
1174#define FLAG_MIC_CAPABLE 4
1175#define FLAG_UPDATE_MULTI 5
1176#define FLAG_UPDATE_UNI 6
1177#define FLAG_802_11 7
3c304956 1178#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT
1179#define FLAG_PENDING_XMIT 9
1180#define FLAG_PENDING_XMIT11 10
1181#define FLAG_MPI 11
1182#define FLAG_REGISTERED 12
1183#define FLAG_COMMIT 13
1184#define FLAG_RESET 14
1185#define FLAG_FLASHING 15
3c304956
DW
1186#define FLAG_WPA_CAPABLE 16
1187 unsigned long flags;
1188#define JOB_DIE 0
1189#define JOB_XMIT 1
1190#define JOB_XMIT11 2
1191#define JOB_STATS 3
1192#define JOB_PROMISC 4
1193#define JOB_MIC 5
1194#define JOB_EVENT 6
1195#define JOB_AUTOWEP 7
1196#define JOB_WSTATS 8
1197#define JOB_SCAN_RESULTS 9
1198 unsigned long jobs;
b8c06bc1 1199 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT
1200 int whichbap);
1201 unsigned short *flash;
1202 tdsRssiEntry *rssi;
3b4c7d64
SB
1203 struct task_struct *list_bss_task;
1204 struct task_struct *airo_thread_task;
1da177e4 1205 struct semaphore sem;
1da177e4 1206 wait_queue_head_t thr_wait;
1da177e4
LT
1207 unsigned long expires;
1208 struct {
1209 struct sk_buff *skb;
1210 int fid;
1211 } xmit, xmit11;
1212 struct net_device *wifidev;
1da177e4 1213 struct iw_statistics wstats; // wireless stats
9e75af30 1214 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT
1215 struct iw_spy_data spy_data;
1216 struct iw_public_data wireless_data;
1da177e4 1217 /* MIC stuff */
f12cc209 1218 struct crypto_cipher *tfm;
1da177e4
LT
1219 mic_module mod[2];
1220 mic_statistics micstats;
1da177e4
LT
1221 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1222 HostTxDesc txfids[MPI_MAX_FIDS];
1223 HostRidDesc config_desc;
1224 unsigned long ridbus; // phys addr of config_desc
1225 struct sk_buff_head txq;// tx queue used by mpi350 code
1226 struct pci_dev *pci;
1227 unsigned char __iomem *pcimem;
1228 unsigned char __iomem *pciaux;
1229 unsigned char *shared;
1230 dma_addr_t shared_dma;
1cc68ae0 1231 pm_message_t power;
1da177e4
LT
1232 SsidRid *SSID;
1233 APListRid *APList;
1234#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1235 char proc_name[IFNAMSIZ];
9e75af30 1236
138c0c68
DW
1237 int wep_capable;
1238 int max_wep_idx;
1239
3c304956
DW
1240 /* WPA-related stuff */
1241 unsigned int bssListFirst;
1242 unsigned int bssListNext;
1243 unsigned int bssListRidLen;
1244
9e75af30
DW
1245 struct list_head network_list;
1246 struct list_head network_free_list;
1247 BSSListElement *networks;
1da177e4
LT
1248};
1249
b8c06bc1
AV
1250static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1251 int whichbap)
1252{
1da177e4
LT
1253 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1254}
1255
1256static int setup_proc_entry( struct net_device *dev,
1257 struct airo_info *apriv );
1258static int takedown_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260
ff1d2767
JM
1261static int cmdreset(struct airo_info *ai);
1262static int setflashmode (struct airo_info *ai);
1263static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1264static int flashputbuf(struct airo_info *ai);
1265static int flashrestart(struct airo_info *ai,struct net_device *dev);
1266
934d8bf1 1267#define airo_print(type, name, fmt, args...) \
1138c37b 1268 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW
1269
1270#define airo_print_info(name, fmt, args...) \
1271 airo_print(KERN_INFO, name, fmt, ##args)
1272
1273#define airo_print_dbg(name, fmt, args...) \
1274 airo_print(KERN_DEBUG, name, fmt, ##args)
1275
1276#define airo_print_warn(name, fmt, args...) \
1277 airo_print(KERN_WARNING, name, fmt, ##args)
1278
1279#define airo_print_err(name, fmt, args...) \
1280 airo_print(KERN_ERR, name, fmt, ##args)
1281
faf3994a 1282#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1283
1da177e4
LT
1284/***********************************************************************
1285 * MIC ROUTINES *
1286 ***********************************************************************
1287 */
1288
1289static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1290static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX
1291static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1292 struct crypto_cipher *tfm);
ff1d2767
JM
1293static void emmh32_init(emmh32_context *context);
1294static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1295static void emmh32_final(emmh32_context *context, u8 digest[4]);
1296static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1297
018697d1
DW
1298static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1299 struct crypto_cipher *tfm)
1300{
1301 /* If the current MIC context is valid and its key is the same as
1302 * the MIC register, there's nothing to do.
1303 */
1304 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1305 return;
1306
1307 /* Age current mic Context */
1308 memcpy(old, cur, sizeof(*cur));
1309
1310 /* Initialize new context */
1311 memcpy(cur->key, key, key_len);
1312 cur->window = 33; /* Window always points to the middle */
1313 cur->rx = 0; /* Rx Sequence numbers */
1314 cur->tx = 0; /* Tx sequence numbers */
1315 cur->valid = 1; /* Key is now valid */
1316
1317 /* Give key to mic seed */
1318 emmh32_setseed(&cur->seed, key, key_len, tfm);
1319}
1320
1da177e4
LT
1321/* micinit - Initialize mic seed */
1322
1323static void micinit(struct airo_info *ai)
1324{
1325 MICRid mic_rid;
1326
3c304956 1327 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT
1328 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1329 up(&ai->sem);
1330
018697d1
DW
1331 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1332 if (!ai->micstats.enabled) {
1333 /* So next time we have a valid key and mic is enabled, we will
1334 * update the sequence number if the key is the same as before.
1335 */
1da177e4
LT
1336 ai->mod[0].uCtx.valid = 0;
1337 ai->mod[0].mCtx.valid = 0;
018697d1
DW
1338 return;
1339 }
1340
1341 if (mic_rid.multicastValid) {
1342 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1343 mic_rid.multicast, sizeof(mic_rid.multicast),
1344 ai->tfm);
1345 }
1346
1347 if (mic_rid.unicastValid) {
1348 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1349 mic_rid.unicast, sizeof(mic_rid.unicast),
1350 ai->tfm);
1da177e4
LT
1351 }
1352}
1353
1354/* micsetup - Get ready for business */
1355
1356static int micsetup(struct airo_info *ai) {
1357 int i;
1358
1359 if (ai->tfm == NULL)
f12cc209 1360 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1361
f12cc209 1362 if (IS_ERR(ai->tfm)) {
934d8bf1 1363 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1364 ai->tfm = NULL;
1da177e4
LT
1365 return ERROR;
1366 }
1367
1368 for (i=0; i < NUM_MODULES; i++) {
1369 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1370 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1371 }
1372 return SUCCESS;
1373}
1374
7a374d8e 1375static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT
1376
1377/*===========================================================================
1378 * Description: Mic a packet
1379 *
1380 * Inputs: etherHead * pointer to an 802.3 frame
1381 *
1382 * Returns: BOOLEAN if successful, otherwise false.
1383 * PacketTxLen will be updated with the mic'd packets size.
1384 *
1385 * Caveats: It is assumed that the frame buffer will already
1386 * be big enough to hold the largets mic message possible.
1387 * (No memory allocation is done here).
1388 *
1389 * Author: sbraneky (10/15/01)
1390 * Merciless hacks by rwilcher (1/14/02)
1391 */
1392
1393static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1394{
1395 miccntx *context;
1396
1397 // Determine correct context
1398 // If not adhoc, always use unicast key
1399
1400 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1401 context = &ai->mod[0].mCtx;
1402 else
1403 context = &ai->mod[0].uCtx;
1404
1405 if (!context->valid)
1406 return ERROR;
1407
1408 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1409
1410 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1411
1412 // Add Tx sequence
1413 mic->seq = htonl(context->tx);
1414 context->tx += 2;
1415
1416 emmh32_init(&context->seed); // Mic the packet
1417 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1418 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1419 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
f4739840 1420 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1da177e4
LT
1421 emmh32_final(&context->seed, (u8*)&mic->mic);
1422
1423 /* New Type/length ?????????? */
1424 mic->typelen = 0; //Let NIC know it could be an oversized packet
1425 return SUCCESS;
1426}
1427
1428typedef enum {
1429 NONE,
1430 NOMIC,
1431 NOMICPLUMMED,
1432 SEQUENCE,
1433 INCORRECTMIC,
1434} mic_error;
1435
1436/*===========================================================================
1437 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1438 * (removes the MIC stuff) if packet is a valid packet.
1439 *
1440 * Inputs: etherHead pointer to the 802.3 packet
1441 *
1442 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1443 *
1444 * Author: sbraneky (10/15/01)
1445 * Merciless hacks by rwilcher (1/14/02)
1446 *---------------------------------------------------------------------------
1447 */
1448
1449static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1450{
1451 int i;
1452 u32 micSEQ;
1453 miccntx *context;
1454 u8 digest[4];
1455 mic_error micError = NONE;
1456
1457 // Check if the packet is a Mic'd packet
1458
1459 if (!ai->micstats.enabled) {
1460 //No Mic set or Mic OFF but we received a MIC'd packet.
1461 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1462 ai->micstats.rxMICPlummed++;
1463 return ERROR;
1464 }
1465 return SUCCESS;
1466 }
1467
1468 if (ntohs(mic->typelen) == 0x888E)
1469 return SUCCESS;
1470
1471 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1472 // Mic enabled but packet isn't Mic'd
1473 ai->micstats.rxMICPlummed++;
1474 return ERROR;
1475 }
1476
1477 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1478
1479 //At this point we a have a mic'd packet and mic is enabled
1480 //Now do the mic error checking.
1481
1482 //Receive seq must be odd
1483 if ( (micSEQ & 1) == 0 ) {
1484 ai->micstats.rxWrongSequence++;
1485 return ERROR;
1486 }
1487
1488 for (i = 0; i < NUM_MODULES; i++) {
1489 int mcast = eth->da[0] & 1;
1490 //Determine proper context
1491 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1492
1493 //Make sure context is valid
1494 if (!context->valid) {
1495 if (i == 0)
1496 micError = NOMICPLUMMED;
1497 continue;
1498 }
1499 //DeMic it
1500
1501 if (!mic->typelen)
1502 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1503
1504 emmh32_init(&context->seed);
1505 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1506 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1507 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
f4739840 1508 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1da177e4
LT
1509 //Calculate MIC
1510 emmh32_final(&context->seed, digest);
1511
1512 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1513 //Invalid Mic
1514 if (i == 0)
1515 micError = INCORRECTMIC;
1516 continue;
1517 }
1518
1519 //Check Sequence number if mics pass
1520 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1521 ai->micstats.rxSuccess++;
1522 return SUCCESS;
1523 }
1524 if (i == 0)
1525 micError = SEQUENCE;
1526 }
1527
1528 // Update statistics
1529 switch (micError) {
1530 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1531 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1532 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1533 case NONE: break;
1534 case NOMIC: break;
1535 }
1536 return ERROR;
1537}
1538
1539/*===========================================================================
1540 * Description: Checks the Rx Seq number to make sure it is valid
1541 * and hasn't already been received
1542 *
1543 * Inputs: miccntx - mic context to check seq against
1544 * micSeq - the Mic seq number
1545 *
1546 * Returns: TRUE if valid otherwise FALSE.
1547 *
1548 * Author: sbraneky (10/15/01)
1549 * Merciless hacks by rwilcher (1/14/02)
1550 *---------------------------------------------------------------------------
1551 */
1552
1553static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1554{
1555 u32 seq,index;
1556
1557 //Allow for the ap being rebooted - if it is then use the next
1558 //sequence number of the current sequence number - might go backwards
1559
1560 if (mcast) {
1561 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1562 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1563 context->window = (micSeq > 33) ? micSeq : 33;
1564 context->rx = 0; // Reset rx
1565 }
1566 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1567 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1568 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1569 context->rx = 0; // Reset rx
1570 }
1571
1572 //Make sequence number relative to START of window
1573 seq = micSeq - (context->window - 33);
1574
1575 //Too old of a SEQ number to check.
1576 if ((s32)seq < 0)
1577 return ERROR;
1578
1579 if ( seq > 64 ) {
1580 //Window is infinite forward
1581 MoveWindow(context,micSeq);
1582 return SUCCESS;
1583 }
1584
1585 // We are in the window. Now check the context rx bit to see if it was already sent
1586 seq >>= 1; //divide by 2 because we only have odd numbers
1587 index = 1 << seq; //Get an index number
1588
1589 if (!(context->rx & index)) {
1590 //micSEQ falls inside the window.
1591 //Add seqence number to the list of received numbers.
1592 context->rx |= index;
1593
1594 MoveWindow(context,micSeq);
1595
1596 return SUCCESS;
1597 }
1598 return ERROR;
1599}
1600
1601static void MoveWindow(miccntx *context, u32 micSeq)
1602{
1603 u32 shift;
1604
1605 //Move window if seq greater than the middle of the window
1606 if (micSeq > context->window) {
1607 shift = (micSeq - context->window) >> 1;
1608
1609 //Shift out old
1610 if (shift < 32)
1611 context->rx >>= shift;
1612 else
1613 context->rx = 0;
1614
1615 context->window = micSeq; //Move window
1616 }
1617}
1618
1619/*==============================================*/
1620/*========== EMMH ROUTINES ====================*/
1621/*==============================================*/
1622
1623/* mic accumulate */
1624#define MIC_ACCUM(val) \
1625 context->accum += (u64)(val) * context->coeff[coeff_position++];
1626
1627static unsigned char aes_counter[16];
1628
1629/* expand the key to fill the MMH coefficient array */
f12cc209
HX
1630static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1631 struct crypto_cipher *tfm)
1da177e4
LT
1632{
1633 /* take the keying material, expand if necessary, truncate at 16-bytes */
1634 /* run through AES counter mode to generate context->coeff[] */
1635
1636 int i,j;
1637 u32 counter;
1638 u8 *cipher, plain[16];
1da177e4
LT
1639
1640 crypto_cipher_setkey(tfm, pkey, 16);
1641 counter = 0;
e7c04fd3 1642 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT
1643 aes_counter[15] = (u8)(counter >> 0);
1644 aes_counter[14] = (u8)(counter >> 8);
1645 aes_counter[13] = (u8)(counter >> 16);
1646 aes_counter[12] = (u8)(counter >> 24);
1647 counter++;
1648 memcpy (plain, aes_counter, 16);
f12cc209
HX
1649 crypto_cipher_encrypt_one(tfm, plain, plain);
1650 cipher = plain;
e7c04fd3 1651 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1652 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT
1653 j += 4;
1654 }
1655 }
1656}
1657
1658/* prepare for calculation of a new mic */
ff1d2767 1659static void emmh32_init(emmh32_context *context)
1da177e4
LT
1660{
1661 /* prepare for new mic calculation */
1662 context->accum = 0;
1663 context->position = 0;
1664}
1665
1666/* add some bytes to the mic calculation */
ff1d2767 1667static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT
1668{
1669 int coeff_position, byte_position;
1670
1671 if (len == 0) return;
1672
1673 coeff_position = context->position >> 2;
1674
1675 /* deal with partial 32-bit word left over from last update */
1676 byte_position = context->position & 3;
1677 if (byte_position) {
1678 /* have a partial word in part to deal with */
1679 do {
1680 if (len == 0) return;
1681 context->part.d8[byte_position++] = *pOctets++;
1682 context->position++;
1683 len--;
1684 } while (byte_position < 4);
593c2b9c 1685 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT
1686 }
1687
1688 /* deal with full 32-bit words */
1689 while (len >= 4) {
593c2b9c 1690 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT
1691 context->position += 4;
1692 pOctets += 4;
1693 len -= 4;
1694 }
1695
1696 /* deal with partial 32-bit word that will be left over from this update */
1697 byte_position = 0;
1698 while (len > 0) {
1699 context->part.d8[byte_position++] = *pOctets++;
1700 context->position++;
1701 len--;
1702 }
1703}
1704
1705/* mask used to zero empty bytes for final partial word */
1706static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1707
1708/* calculate the mic */
ff1d2767 1709static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT
1710{
1711 int coeff_position, byte_position;
1712 u32 val;
1713
1714 u64 sum, utmp;
1715 s64 stmp;
1716
1717 coeff_position = context->position >> 2;
1718
1719 /* deal with partial 32-bit word left over from last update */
1720 byte_position = context->position & 3;
1721 if (byte_position) {
1722 /* have a partial word in part to deal with */
593c2b9c 1723 val = ntohl(context->part.d32);
1da177e4
LT
1724 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1725 }
1726
1727 /* reduce the accumulated u64 to a 32-bit MIC */
1728 sum = context->accum;
1729 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1730 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1731 sum = utmp & 0xffffffffLL;
1732 if (utmp > 0x10000000fLL)
1733 sum -= 15;
1734
1735 val = (u32)sum;
1736 digest[0] = (val>>24) & 0xFF;
1737 digest[1] = (val>>16) & 0xFF;
1738 digest[2] = (val>>8) & 0xFF;
1739 digest[3] = val & 0xFF;
1740}
1da177e4
LT
1741
1742static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV
1743 BSSListRid *list)
1744{
3c304956
DW
1745 Cmd cmd;
1746 Resp rsp;
1da177e4
LT
1747
1748 if (first == 1) {
3c304956
DW
1749 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1750 memset(&cmd, 0, sizeof(cmd));
1751 cmd.cmd=CMD_LISTBSS;
1752 if (down_interruptible(&ai->sem))
1753 return -ERESTARTSYS;
3b4c7d64 1754 ai->list_bss_task = current;
3c304956
DW
1755 issuecommand(ai, &cmd, &rsp);
1756 up(&ai->sem);
1757 /* Let the command take effect */
3b4c7d64
SB
1758 schedule_timeout_uninterruptible(3 * HZ);
1759 ai->list_bss_task = NULL;
3c304956 1760 }
17e70491 1761 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1762 list, ai->bssListRidLen, 1);
1da177e4
LT
1763}
1764
4293ea33
AV
1765static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1766{
1767 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1768 wkr, sizeof(*wkr), lock);
1da177e4 1769}
1da177e4 1770
4293ea33
AV
1771static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1772{
1773 int rc;
1774 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1775 if (rc!=SUCCESS)
1776 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1777 if (perm) {
4293ea33
AV
1778 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1779 if (rc!=SUCCESS)
934d8bf1 1780 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT
1781 }
1782 return rc;
1783}
1784
0dd2212f
AV
1785static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1786{
1787 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1788}
1da177e4 1789
0dd2212f
AV
1790static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1791{
1792 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1793}
0dd2212f 1794
3eb9b41f
AV
1795static int readConfigRid(struct airo_info *ai, int lock)
1796{
1da177e4 1797 int rc;
1da177e4
LT
1798 ConfigRid cfg;
1799
1800 if (ai->config.len)
1801 return SUCCESS;
1802
1803 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1804 if (rc != SUCCESS)
1805 return rc;
1806
1da177e4
LT
1807 ai->config = cfg;
1808 return SUCCESS;
1809}
3eb9b41f
AV
1810
1811static inline void checkThrottle(struct airo_info *ai)
1812{
1da177e4
LT
1813 int i;
1814/* Old hardware had a limit on encryption speed */
1815 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1816 for(i=0; i<8; i++) {
1817 if (ai->config.rates[i] > maxencrypt) {
1818 ai->config.rates[i] = 0;
1819 }
1820 }
1821 }
1822}
3eb9b41f
AV
1823
1824static int writeConfigRid(struct airo_info *ai, int lock)
1825{
1da177e4
LT
1826 ConfigRid cfgr;
1827
1828 if (!test_bit (FLAG_COMMIT, &ai->flags))
1829 return SUCCESS;
1830
1831 clear_bit (FLAG_COMMIT, &ai->flags);
1832 clear_bit (FLAG_RESET, &ai->flags);
1833 checkThrottle(ai);
1834 cfgr = ai->config;
1835
3eb9b41f 1836 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT
1837 set_bit(FLAG_ADHOC, &ai->flags);
1838 else
1839 clear_bit(FLAG_ADHOC, &ai->flags);
1840
1da177e4
LT
1841 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1842}
1da177e4 1843
329e2c00
AV
1844static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1845{
1846 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1847}
a749716e
AV
1848
1849static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1850{
1851 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1852}
a749716e
AV
1853
1854static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1855{
1856 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1857}
1da177e4 1858
56d81bd3
AV
1859static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1860{
1861 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1862}
1da177e4 1863
a23ace5f
AV
1864static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1865{
1866 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT
1867}
1868
1c2b7db8
MS
1869static void try_auto_wep(struct airo_info *ai)
1870{
e9a8e8ec 1871 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1c2b7db8
MS
1872 ai->expires = RUN_AT(3*HZ);
1873 wake_up_interruptible(&ai->thr_wait);
1874 }
1875}
1876
1da177e4 1877static int airo_open(struct net_device *dev) {
faf3994a 1878 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1879 int rc = 0;
1da177e4 1880
1c2b7db8 1881 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT
1882 return -EIO;
1883
1884 /* Make sure the card is configured.
1885 * Wireless Extensions may postpone config changes until the card
1886 * is open (to pipeline changes and speed-up card setup). If
25985edc 1887 * those changes are not yet committed, do it now - Jean II */
1c2b7db8
MS
1888 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1889 disable_MAC(ai, 1);
1890 writeConfigRid(ai, 1);
1da177e4
LT
1891 }
1892
1c2b7db8
MS
1893 if (ai->wifidev != dev) {
1894 clear_bit(JOB_DIE, &ai->jobs);
1895 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1896 if (IS_ERR(ai->airo_thread_task))
1897 return (int)PTR_ERR(ai->airo_thread_task);
1898
1899 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1900 dev->name, dev);
1901 if (rc) {
1902 airo_print_err(dev->name,
1903 "register interrupt %d failed, rc %d",
1904 dev->irq, rc);
1905 set_bit(JOB_DIE, &ai->jobs);
1906 kthread_stop(ai->airo_thread_task);
1907 return rc;
1908 }
1909
1da177e4 1910 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS
1911 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1912 enable_interrupts(ai);
1913
1914 try_auto_wep(ai);
1da177e4 1915 }
175ec1a1 1916 enable_MAC(ai, 1);
1da177e4
LT
1917
1918 netif_start_queue(dev);
1919 return 0;
1920}
1921
d0cf9c0d
SH
1922static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1923 struct net_device *dev)
1924{
1da177e4
LT
1925 int npacks, pending;
1926 unsigned long flags;
faf3994a 1927 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
1928
1929 if (!skb) {
c94c93da 1930 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
6ed10654 1931 return NETDEV_TX_OK;
1da177e4
LT
1932 }
1933 npacks = skb_queue_len (&ai->txq);
1934
1935 if (npacks >= MAXTXQ - 1) {
1936 netif_stop_queue (dev);
1937 if (npacks > MAXTXQ) {
5d9276da 1938 dev->stats.tx_fifo_errors++;
5b548140 1939 return NETDEV_TX_BUSY;
1da177e4
LT
1940 }
1941 skb_queue_tail (&ai->txq, skb);
6ed10654 1942 return NETDEV_TX_OK;
1da177e4
LT
1943 }
1944
1945 spin_lock_irqsave(&ai->aux_lock, flags);
1946 skb_queue_tail (&ai->txq, skb);
1947 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1948 spin_unlock_irqrestore(&ai->aux_lock,flags);
1949 netif_wake_queue (dev);
1950
1951 if (pending == 0) {
1952 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1953 mpi_send_packet (dev);
1954 }
6ed10654 1955 return NETDEV_TX_OK;
1da177e4
LT
1956}
1957
1958/*
1959 * @mpi_send_packet
1960 *
1961 * Attempt to transmit a packet. Can be called from interrupt
1962 * or transmit . return number of packets we tried to send
1963 */
1964
1965static int mpi_send_packet (struct net_device *dev)
1966{
1967 struct sk_buff *skb;
1968 unsigned char *buffer;
593c2b9c
AV
1969 s16 len;
1970 __le16 *payloadLen;
faf3994a 1971 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
1972 u8 *sendbuf;
1973
1974 /* get a packet to send */
1975
79ea13ce 1976 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW
1977 airo_print_err(dev->name,
1978 "%s: Dequeue'd zero in send_packet()",
c94c93da 1979 __func__);
1da177e4
LT
1980 return 0;
1981 }
1982
1983 /* check min length*/
1984 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1985 buffer = skb->data;
1986
1987 ai->txfids[0].tx_desc.offset = 0;
1988 ai->txfids[0].tx_desc.valid = 1;
1989 ai->txfids[0].tx_desc.eoc = 1;
1990 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1991
1992/*
1993 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1994 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
25985edc 1995 * is immediately after it. ------------------------------------------------
1da177e4
LT
1996 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1997 * ------------------------------------------------
1998 */
1999
2000 memcpy((char *)ai->txfids[0].virtual_host_addr,
2001 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2002
593c2b9c 2003 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT
2004 sizeof(wifictlhdr8023));
2005 sendbuf = ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023) + 2 ;
2007
2008 /*
25985edc 2009 * Firmware automatically puts 802 header on so
1da177e4
LT
2010 * we don't need to account for it in the length
2011 */
1da177e4 2012 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2013 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT
2014 MICBuffer pMic;
2015
2016 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2017 return ERROR;
2018
2019 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2020 ai->txfids[0].tx_desc.len += sizeof(pMic);
2021 /* copy data into airo dma buffer */
2022 memcpy (sendbuf, buffer, sizeof(etherHead));
2023 buffer += sizeof(etherHead);
2024 sendbuf += sizeof(etherHead);
2025 memcpy (sendbuf, &pMic, sizeof(pMic));
2026 sendbuf += sizeof(pMic);
2027 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2028 } else {
1da177e4
LT
2029 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2030
2031 dev->trans_start = jiffies;
2032
2033 /* copy data into airo dma buffer */
2034 memcpy(sendbuf, buffer, len);
2035 }
2036
2037 memcpy_toio(ai->txfids[0].card_ram_off,
2038 &ai->txfids[0].tx_desc, sizeof(TxFid));
2039
2040 OUT4500(ai, EVACK, 8);
2041
2042 dev_kfree_skb_any(skb);
2043 return 1;
2044}
2045
29b09fcc 2046static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2047{
593c2b9c 2048 __le16 status;
1da177e4
LT
2049
2050 if (fid < 0)
2051 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2052 else {
2053 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2054 return;
2055 bap_read(ai, &status, 2, BAP0);
2056 }
2057 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2058 ai->dev->stats.tx_aborted_errors++;
1da177e4 2059 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2060 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT
2061 if (le16_to_cpu(status) & 8) /* Aid fail */
2062 { }
2063 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2064 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT
2065 if (le16_to_cpu(status) & 0x20) /* Association lost */
2066 { }
2067 /* We produce a TXDROP event only for retry or lifetime
2068 * exceeded, because that's the only status that really mean
2069 * that this particular node went away.
2070 * Other errors means that *we* screwed up. - Jean II */
2071 if ((le16_to_cpu(status) & 2) ||
2072 (le16_to_cpu(status) & 4)) {
2073 union iwreq_data wrqu;
2074 char junk[0x18];
2075
2076 /* Faster to skip over useless data than to do
2077 * another bap_setup(). We are at offset 0x6 and
2078 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2079 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT
2080
2081 /* Copy 802.11 dest address.
2082 * We use the 802.11 header because the frame may
2083 * not be 802.3 or may be mangled...
2084 * In Ad-Hoc mode, it will be the node address.
2085 * In managed mode, it will be most likely the AP addr
2086 * User space will figure out how to convert it to
2087 * whatever it needs (IP address or else).
2088 * - Jean II */
2089 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2090 wrqu.addr.sa_family = ARPHRD_ETHER;
2091
2092 /* Send event to user space */
2093 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2094 }
2095}
2096
2097static void airo_end_xmit(struct net_device *dev) {
2098 u16 status;
2099 int i;
faf3994a 2100 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2101 struct sk_buff *skb = priv->xmit.skb;
2102 int fid = priv->xmit.fid;
2103 u32 *fids = priv->fids;
2104
3c304956 2105 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT
2106 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2107 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2108 up(&priv->sem);
2109
2110 i = 0;
2111 if ( status == SUCCESS ) {
2112 dev->trans_start = jiffies;
2113 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2114 } else {
2115 priv->fids[fid] &= 0xffff;
5d9276da 2116 dev->stats.tx_window_errors++;
1da177e4
LT
2117 }
2118 if (i < MAX_FIDS / 2)
2119 netif_wake_queue(dev);
2120 dev_kfree_skb(skb);
2121}
2122
d0cf9c0d
SH
2123static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2124 struct net_device *dev)
2125{
1da177e4
LT
2126 s16 len;
2127 int i, j;
faf3994a 2128 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2129 u32 *fids = priv->fids;
2130
2131 if ( skb == NULL ) {
c94c93da 2132 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2133 return NETDEV_TX_OK;
1da177e4
LT
2134 }
2135
2136 /* Find a vacant FID */
2137 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2138 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2139
2140 if ( j >= MAX_FIDS / 2 ) {
2141 netif_stop_queue(dev);
2142
2143 if (i == MAX_FIDS / 2) {
5d9276da 2144 dev->stats.tx_fifo_errors++;
5b548140 2145 return NETDEV_TX_BUSY;
1da177e4
LT
2146 }
2147 }
2148 /* check min length*/
2149 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2150 /* Mark fid as used & save length for later */
2151 fids[i] |= (len << 16);
2152 priv->xmit.skb = skb;
2153 priv->xmit.fid = i;
2154 if (down_trylock(&priv->sem) != 0) {
2155 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2156 netif_stop_queue(dev);
3c304956 2157 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT
2158 wake_up_interruptible(&priv->thr_wait);
2159 } else
2160 airo_end_xmit(dev);
6ed10654 2161 return NETDEV_TX_OK;
1da177e4
LT
2162}
2163
2164static void airo_end_xmit11(struct net_device *dev) {
2165 u16 status;
2166 int i;
faf3994a 2167 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2168 struct sk_buff *skb = priv->xmit11.skb;
2169 int fid = priv->xmit11.fid;
2170 u32 *fids = priv->fids;
2171
3c304956 2172 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT
2173 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2174 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2175 up(&priv->sem);
2176
2177 i = MAX_FIDS / 2;
2178 if ( status == SUCCESS ) {
2179 dev->trans_start = jiffies;
2180 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2181 } else {
2182 priv->fids[fid] &= 0xffff;
5d9276da 2183 dev->stats.tx_window_errors++;
1da177e4
LT
2184 }
2185 if (i < MAX_FIDS)
2186 netif_wake_queue(dev);
2187 dev_kfree_skb(skb);
2188}
2189
d0cf9c0d
SH
2190static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2191 struct net_device *dev)
2192{
1da177e4
LT
2193 s16 len;
2194 int i, j;
faf3994a 2195 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2196 u32 *fids = priv->fids;
2197
2198 if (test_bit(FLAG_MPI, &priv->flags)) {
2199 /* Not implemented yet for MPI350 */
2200 netif_stop_queue(dev);
4153e775
PM
2201 dev_kfree_skb_any(skb);
2202 return NETDEV_TX_OK;
1da177e4
LT
2203 }
2204
2205 if ( skb == NULL ) {
c94c93da 2206 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2207 return NETDEV_TX_OK;
1da177e4
LT
2208 }
2209
2210 /* Find a vacant FID */
2211 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2212 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2213
2214 if ( j >= MAX_FIDS ) {
2215 netif_stop_queue(dev);
2216
2217 if (i == MAX_FIDS) {
5d9276da 2218 dev->stats.tx_fifo_errors++;
5b548140 2219 return NETDEV_TX_BUSY;
1da177e4
LT
2220 }
2221 }
2222 /* check min length*/
2223 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2224 /* Mark fid as used & save length for later */
2225 fids[i] |= (len << 16);
2226 priv->xmit11.skb = skb;
2227 priv->xmit11.fid = i;
2228 if (down_trylock(&priv->sem) != 0) {
2229 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2230 netif_stop_queue(dev);
3c304956 2231 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT
2232 wake_up_interruptible(&priv->thr_wait);
2233 } else
2234 airo_end_xmit11(dev);
6ed10654 2235 return NETDEV_TX_OK;
1da177e4
LT
2236}
2237
5d9276da 2238static void airo_read_stats(struct net_device *dev)
a23ace5f 2239{
faf3994a 2240 struct airo_info *ai = dev->ml_priv;
1da177e4 2241 StatsRid stats_rid;
a23ace5f 2242 __le32 *vals = stats_rid.vals;
1da177e4 2243
3c304956 2244 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2245 if (ai->power.event) {
1da177e4
LT
2246 up(&ai->sem);
2247 return;
2248 }
2249 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2250 up(&ai->sem);
2251
5d9276da 2252 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2253 le32_to_cpu(vals[45]);
5d9276da 2254 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2255 le32_to_cpu(vals[41]);
5d9276da
PZ
2256 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2257 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2258 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2259 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ
2260 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2261 dev->stats.tx_fifo_errors;
2262 dev->stats.multicast = le32_to_cpu(vals[43]);
2263 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT
2264
2265 /* detailed rx_errors: */
5d9276da
PZ
2266 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2267 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2268 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2269 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT
2270}
2271
ff1d2767 2272static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4 2273{
faf3994a 2274 struct airo_info *local = dev->ml_priv;
1da177e4 2275
3c304956 2276 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT
2277 /* Get stats out of the card if available */
2278 if (down_trylock(&local->sem) != 0) {
3c304956 2279 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT
2280 wake_up_interruptible(&local->thr_wait);
2281 } else
5d9276da 2282 airo_read_stats(dev);
1da177e4
LT
2283 }
2284
5d9276da 2285 return &dev->stats;
1da177e4
LT
2286}
2287
2288static void airo_set_promisc(struct airo_info *ai) {
2289 Cmd cmd;
2290 Resp rsp;
2291
2292 memset(&cmd, 0, sizeof(cmd));
2293 cmd.cmd=CMD_SETMODE;
3c304956 2294 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT
2295 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2296 issuecommand(ai, &cmd, &rsp);
2297 up(&ai->sem);
2298}
2299
2300static void airo_set_multicast_list(struct net_device *dev) {
faf3994a 2301 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2302
2303 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2304 change_bit(FLAG_PROMISC, &ai->flags);
2305 if (down_trylock(&ai->sem) != 0) {
3c304956 2306 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT
2307 wake_up_interruptible(&ai->thr_wait);
2308 } else
2309 airo_set_promisc(ai);
2310 }
2311
4cd24eaf 2312 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
1da177e4
LT
2313 /* Turn on multicast. (Should be already setup...) */
2314 }
2315}
2316
2317static int airo_set_mac_address(struct net_device *dev, void *p)
2318{
faf3994a 2319 struct airo_info *ai = dev->ml_priv;
1da177e4 2320 struct sockaddr *addr = p;
1da177e4
LT
2321
2322 readConfigRid(ai, 1);
2323 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2324 set_bit (FLAG_COMMIT, &ai->flags);
2325 disable_MAC(ai, 1);
2326 writeConfigRid (ai, 1);
175ec1a1 2327 enable_MAC(ai, 1);
1da177e4
LT
2328 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2329 if (ai->wifidev)
2330 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2331 return 0;
2332}
2333
2334static int airo_change_mtu(struct net_device *dev, int new_mtu)
2335{
2336 if ((new_mtu < 68) || (new_mtu > 2400))
2337 return -EINVAL;
2338 dev->mtu = new_mtu;
2339 return 0;
2340}
2341
af5b5c9a
MS
2342static LIST_HEAD(airo_devices);
2343
2344static void add_airo_dev(struct airo_info *ai)
2345{
2346 /* Upper layers already keep track of PCI devices,
2347 * so we only need to remember our non-PCI cards. */
2348 if (!ai->pci)
2349 list_add_tail(&ai->dev_list, &airo_devices);
2350}
2351
2352static void del_airo_dev(struct airo_info *ai)
2353{
2354 if (!ai->pci)
2355 list_del(&ai->dev_list);
2356}
1da177e4
LT
2357
2358static int airo_close(struct net_device *dev) {
faf3994a 2359 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2360
2361 netif_stop_queue(dev);
2362
2363 if (ai->wifidev != dev) {
2364#ifdef POWER_ON_DOWN
2365 /* Shut power to the card. The idea is that the user can save
2366 * power when he doesn't need the card with "ifconfig down".
2367 * That's the method that is most friendly towards the network
2368 * stack (i.e. the network stack won't try to broadcast
2369 * anything on the interface and routes are gone. Jean II */
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_MAC(ai, 1);
2372#endif
2373 disable_interrupts( ai );
1c2b7db8
MS
2374
2375 free_irq(dev->irq, dev);
2376
2377 set_bit(JOB_DIE, &ai->jobs);
2378 kthread_stop(ai->airo_thread_task);
1da177e4
LT
2379 }
2380 return 0;
2381}
2382
1da177e4
LT
2383void stop_airo_card( struct net_device *dev, int freeres )
2384{
faf3994a 2385 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2386
2387 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2388 disable_MAC(ai, 1);
2389 disable_interrupts(ai);
1da177e4
LT
2390 takedown_proc_entry( dev, ai );
2391 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2392 unregister_netdev( dev );
2393 if (ai->wifidev) {
2394 unregister_netdev(ai->wifidev);
2395 free_netdev(ai->wifidev);
2396 ai->wifidev = NULL;
2397 }
2398 clear_bit(FLAG_REGISTERED, &ai->flags);
2399 }
1da177e4
LT
2400 /*
2401 * Clean out tx queue
2402 */
b03efcfb 2403 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT
2404 struct sk_buff *skb = NULL;
2405 for (;(skb = skb_dequeue(&ai->txq));)
2406 dev_kfree_skb(skb);
2407 }
2408
9e75af30
DW
2409 airo_networks_free (ai);
2410
b4558ea9
JJ
2411 kfree(ai->flash);
2412 kfree(ai->rssi);
2413 kfree(ai->APList);
2414 kfree(ai->SSID);
1da177e4
LT
2415 if (freeres) {
2416 /* PCMCIA frees this stuff, so only for PCI and ISA */
2417 release_region( dev->base_addr, 64 );
2418 if (test_bit(FLAG_MPI, &ai->flags)) {
2419 if (ai->pci)
2420 mpi_unmap_card(ai->pci);
2421 if (ai->pcimem)
2422 iounmap(ai->pcimem);
2423 if (ai->pciaux)
2424 iounmap(ai->pciaux);
2425 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2426 ai->shared, ai->shared_dma);
2427 }
2428 }
f12cc209 2429 crypto_free_cipher(ai->tfm);
af5b5c9a 2430 del_airo_dev(ai);
1da177e4
LT
2431 free_netdev( dev );
2432}
2433
2434EXPORT_SYMBOL(stop_airo_card);
2435
b95cce35 2436static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2437{
98e399f8 2438 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT
2439 return ETH_ALEN;
2440}
2441
2442static void mpi_unmap_card(struct pci_dev *pci)
2443{
2444 unsigned long mem_start = pci_resource_start(pci, 1);
2445 unsigned long mem_len = pci_resource_len(pci, 1);
2446 unsigned long aux_start = pci_resource_start(pci, 2);
2447 unsigned long aux_len = AUXMEMSIZE;
2448
2449 release_mem_region(aux_start, aux_len);
2450 release_mem_region(mem_start, mem_len);
2451}
2452
2453/*************************************************************
2454 * This routine assumes that descriptors have been setup .
2455 * Run at insmod time or after reset when the decriptors
2456 * have been initialized . Returns 0 if all is well nz
2457 * otherwise . Does not allocate memory but sets up card
2458 * using previously allocated descriptors.
2459 */
2460static int mpi_init_descriptors (struct airo_info *ai)
2461{
2462 Cmd cmd;
2463 Resp rsp;
2464 int i;
2465 int rc = SUCCESS;
2466
2467 /* Alloc card RX descriptors */
2468 netif_stop_queue(ai->dev);
2469
2470 memset(&rsp,0,sizeof(rsp));
2471 memset(&cmd,0,sizeof(cmd));
2472
2473 cmd.cmd = CMD_ALLOCATEAUX;
2474 cmd.parm0 = FID_RX;
2475 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2476 cmd.parm2 = MPI_MAX_FIDS;
2477 rc=issuecommand(ai, &cmd, &rsp);
2478 if (rc != SUCCESS) {
934d8bf1 2479 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT
2480 return rc;
2481 }
2482
2483 for (i=0; i<MPI_MAX_FIDS; i++) {
2484 memcpy_toio(ai->rxfids[i].card_ram_off,
2485 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2486 }
2487
2488 /* Alloc card TX descriptors */
2489
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2492
2493 cmd.cmd = CMD_ALLOCATEAUX;
2494 cmd.parm0 = FID_TX;
2495 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2497
2498 for (i=0; i<MPI_MAX_FIDS; i++) {
2499 ai->txfids[i].tx_desc.valid = 1;
2500 memcpy_toio(ai->txfids[i].card_ram_off,
2501 &ai->txfids[i].tx_desc, sizeof(TxFid));
2502 }
2503 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2504
2505 rc=issuecommand(ai, &cmd, &rsp);
2506 if (rc != SUCCESS) {
934d8bf1 2507 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT
2508 return rc;
2509 }
2510
2511 /* Alloc card Rid descriptor */
2512 memset(&rsp,0,sizeof(rsp));
2513 memset(&cmd,0,sizeof(cmd));
2514
2515 cmd.cmd = CMD_ALLOCATEAUX;
2516 cmd.parm0 = RID_RW;
2517 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2518 cmd.parm2 = 1; /* Magic number... */
2519 rc=issuecommand(ai, &cmd, &rsp);
2520 if (rc != SUCCESS) {
934d8bf1 2521 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT
2522 return rc;
2523 }
2524
2525 memcpy_toio(ai->config_desc.card_ram_off,
2526 &ai->config_desc.rid_desc, sizeof(Rid));
2527
2528 return rc;
2529}
2530
2531/*
2532 * We are setting up three things here:
2533 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
25985edc 2534 * 2) Map PCI memory for issuing commands.
1da177e4
LT
2535 * 3) Allocate memory (shared) to send and receive ethernet frames.
2536 */
1138c37b 2537static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT
2538{
2539 unsigned long mem_start, mem_len, aux_start, aux_len;
2540 int rc = -1;
2541 int i;
2759c8d5
JG
2542 dma_addr_t busaddroff;
2543 unsigned char *vpackoff;
1da177e4
LT
2544 unsigned char __iomem *pciaddroff;
2545
2546 mem_start = pci_resource_start(pci, 1);
2547 mem_len = pci_resource_len(pci, 1);
2548 aux_start = pci_resource_start(pci, 2);
2549 aux_len = AUXMEMSIZE;
2550
1138c37b
MS
2551 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2552 airo_print_err("", "Couldn't get region %x[%x]",
2553 (int)mem_start, (int)mem_len);
1da177e4
LT
2554 goto out;
2555 }
1138c37b
MS
2556 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2557 airo_print_err("", "Couldn't get region %x[%x]",
2558 (int)aux_start, (int)aux_len);
1da177e4
LT
2559 goto free_region1;
2560 }
2561
2562 ai->pcimem = ioremap(mem_start, mem_len);
2563 if (!ai->pcimem) {
1138c37b
MS
2564 airo_print_err("", "Couldn't map region %x[%x]",
2565 (int)mem_start, (int)mem_len);
1da177e4
LT
2566 goto free_region2;
2567 }
2568 ai->pciaux = ioremap(aux_start, aux_len);
2569 if (!ai->pciaux) {
1138c37b
MS
2570 airo_print_err("", "Couldn't map region %x[%x]",
2571 (int)aux_start, (int)aux_len);
1da177e4
LT
2572 goto free_memmap;
2573 }
2574
2575 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2576 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2577 if (!ai->shared) {
1138c37b
MS
2578 airo_print_err("", "Couldn't alloc_consistent %d",
2579 PCI_SHARED_LEN);
1da177e4
LT
2580 goto free_auxmap;
2581 }
2582
2583 /*
2584 * Setup descriptor RX, TX, CONFIG
2585 */
2759c8d5 2586 busaddroff = ai->shared_dma;
1da177e4
LT
2587 pciaddroff = ai->pciaux + AUX_OFFSET;
2588 vpackoff = ai->shared;
2589
2590 /* RX descriptor setup */
2591 for(i = 0; i < MPI_MAX_FIDS; i++) {
2592 ai->rxfids[i].pending = 0;
2593 ai->rxfids[i].card_ram_off = pciaddroff;
2594 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2595 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT
2596 ai->rxfids[i].rx_desc.valid = 1;
2597 ai->rxfids[i].rx_desc.len = PKTSIZE;
2598 ai->rxfids[i].rx_desc.rdy = 0;
2599
2600 pciaddroff += sizeof(RxFid);
2601 busaddroff += PKTSIZE;
2602 vpackoff += PKTSIZE;
2603 }
2604
2605 /* TX descriptor setup */
2606 for(i = 0; i < MPI_MAX_FIDS; i++) {
2607 ai->txfids[i].card_ram_off = pciaddroff;
2608 ai->txfids[i].virtual_host_addr = vpackoff;
2609 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2610 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT
2611 memcpy(ai->txfids[i].virtual_host_addr,
2612 &wifictlhdr8023, sizeof(wifictlhdr8023));
2613
2614 pciaddroff += sizeof(TxFid);
2615 busaddroff += PKTSIZE;
2616 vpackoff += PKTSIZE;
2617 }
2618 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2619
2620 /* Rid descriptor setup */
2621 ai->config_desc.card_ram_off = pciaddroff;
2622 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG
2623 ai->config_desc.rid_desc.host_addr = busaddroff;
2624 ai->ridbus = busaddroff;
1da177e4
LT
2625 ai->config_desc.rid_desc.rid = 0;
2626 ai->config_desc.rid_desc.len = RIDSIZE;
2627 ai->config_desc.rid_desc.valid = 1;
2628 pciaddroff += sizeof(Rid);
2629 busaddroff += RIDSIZE;
2630 vpackoff += RIDSIZE;
2631
2632 /* Tell card about descriptors */
2633 if (mpi_init_descriptors (ai) != SUCCESS)
2634 goto free_shared;
2635
2636 return 0;
2637 free_shared:
2638 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2639 free_auxmap:
2640 iounmap(ai->pciaux);
2641 free_memmap:
2642 iounmap(ai->pcimem);
2643 free_region2:
2644 release_mem_region(aux_start, aux_len);
2645 free_region1:
2646 release_mem_region(mem_start, mem_len);
2647 out:
2648 return rc;
2649}
2650
3b04ddde
SH
2651static const struct header_ops airo_header_ops = {
2652 .parse = wll_header_parse,
2653};
2654
7ae41cc3
SH
2655static const struct net_device_ops airo11_netdev_ops = {
2656 .ndo_open = airo_open,
2657 .ndo_stop = airo_close,
2658 .ndo_start_xmit = airo_start_xmit11,
2659 .ndo_get_stats = airo_get_stats,
2660 .ndo_set_mac_address = airo_set_mac_address,
2661 .ndo_do_ioctl = airo_ioctl,
2662 .ndo_change_mtu = airo_change_mtu,
2663};
2664
1da177e4
LT
2665static void wifi_setup(struct net_device *dev)
2666{
7ae41cc3 2667 dev->netdev_ops = &airo11_netdev_ops;
3b04ddde 2668 dev->header_ops = &airo_header_ops;
1da177e4 2669 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT
2670
2671 dev->type = ARPHRD_IEEE80211;
2672 dev->hard_header_len = ETH_HLEN;
15db2763 2673 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT
2674 dev->addr_len = ETH_ALEN;
2675 dev->tx_queue_len = 100;
2676
2677 memset(dev->broadcast,0xFF, ETH_ALEN);
2678
2679 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2680}
2681
2682static struct net_device *init_wifidev(struct airo_info *ai,
2683 struct net_device *ethdev)
2684{
2685 int err;
2686 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2687 if (!dev)
2688 return NULL;
faf3994a 2689 dev->ml_priv = ethdev->ml_priv;
1da177e4
LT
2690 dev->irq = ethdev->irq;
2691 dev->base_addr = ethdev->base_addr;
1da177e4 2692 dev->wireless_data = ethdev->wireless_data;
229ce3ab 2693 SET_NETDEV_DEV(dev, ethdev->dev.parent);
1da177e4
LT
2694 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2695 err = register_netdev(dev);
2696 if (err<0) {
2697 free_netdev(dev);
2698 return NULL;
2699 }
2700 return dev;
2701}
2702
ff1d2767 2703static int reset_card( struct net_device *dev , int lock) {
faf3994a 2704 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2705
2706 if (lock && down_interruptible(&ai->sem))
2707 return -1;
2708 waitbusy (ai);
2709 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2710 msleep(200);
2711 waitbusy (ai);
2712 msleep(200);
2713 if (lock)
2714 up(&ai->sem);
2715 return 0;
2716}
2717
3c304956 2718#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW
2719static int airo_networks_allocate(struct airo_info *ai)
2720{
2721 if (ai->networks)
2722 return 0;
2723
baeb2ffa
JP
2724 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2725 GFP_KERNEL);
9e75af30 2726 if (!ai->networks) {
1138c37b 2727 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW
2728 return -ENOMEM;
2729 }
2730
2731 return 0;
2732}
2733
2734static void airo_networks_free(struct airo_info *ai)
2735{
9e75af30
DW
2736 kfree(ai->networks);
2737 ai->networks = NULL;
2738}
2739
2740static void airo_networks_initialize(struct airo_info *ai)
2741{
2742 int i;
2743
2744 INIT_LIST_HEAD(&ai->network_free_list);
2745 INIT_LIST_HEAD(&ai->network_list);
3c304956 2746 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW
2747 list_add_tail(&ai->networks[i].list,
2748 &ai->network_free_list);
2749}
2750
7ae41cc3
SH
2751static const struct net_device_ops airo_netdev_ops = {
2752 .ndo_open = airo_open,
2753 .ndo_stop = airo_close,
2754 .ndo_start_xmit = airo_start_xmit,
2755 .ndo_get_stats = airo_get_stats,
afc4b13d 2756 .ndo_set_rx_mode = airo_set_multicast_list,
7ae41cc3
SH
2757 .ndo_set_mac_address = airo_set_mac_address,
2758 .ndo_do_ioctl = airo_ioctl,
2759 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH
2760 .ndo_validate_addr = eth_validate_addr,
2761};
2762
2763static const struct net_device_ops mpi_netdev_ops = {
2764 .ndo_open = airo_open,
2765 .ndo_stop = airo_close,
2766 .ndo_start_xmit = mpi_start_xmit,
2767 .ndo_get_stats = airo_get_stats,
afc4b13d 2768 .ndo_set_rx_mode = airo_set_multicast_list,
7ae41cc3
SH
2769 .ndo_set_mac_address = airo_set_mac_address,
2770 .ndo_do_ioctl = airo_ioctl,
2771 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH
2772 .ndo_validate_addr = eth_validate_addr,
2773};
2774
2775
ff1d2767
JM
2776static struct net_device *_init_airo_card( unsigned short irq, int port,
2777 int is_pcmcia, struct pci_dev *pci,
2778 struct device *dmdev )
1da177e4
LT
2779{
2780 struct net_device *dev;
2781 struct airo_info *ai;
2782 int i, rc;
f65b56d6 2783 CapabilityRid cap_rid;
1da177e4
LT
2784
2785 /* Create the network device object. */
1138c37b
MS
2786 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2787 if (!dev) {
934d8bf1 2788 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2789 return NULL;
1da177e4
LT
2790 }
2791
faf3994a 2792 ai = dev->ml_priv = netdev_priv(dev);
1da177e4 2793 ai->wifidev = NULL;
fb038c27 2794 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2795 ai->jobs = 0;
934d8bf1 2796 ai->dev = dev;
1da177e4 2797 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2798 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT
2799 set_bit(FLAG_MPI, &ai->flags);
2800 }
1da177e4
LT
2801 spin_lock_init(&ai->aux_lock);
2802 sema_init(&ai->sem, 1);
2803 ai->config.len = 0;
2804 ai->pci = pci;
2805 init_waitqueue_head (&ai->thr_wait);
1da177e4 2806 ai->tfm = NULL;
af5b5c9a 2807 add_airo_dev(ai);
1da177e4 2808
9e75af30 2809 if (airo_networks_allocate (ai))
1c2b7db8 2810 goto err_out_free;
9e75af30
DW
2811 airo_networks_initialize (ai);
2812
7ae41cc3
SH
2813 skb_queue_head_init (&ai->txq);
2814
1da177e4 2815 /* The Airo-specific entries in the device structure. */
7ae41cc3
SH
2816 if (test_bit(FLAG_MPI,&ai->flags))
2817 dev->netdev_ops = &mpi_netdev_ops;
2818 else
2819 dev->netdev_ops = &airo_netdev_ops;
1da177e4
LT
2820 dev->wireless_handlers = &airo_handler_def;
2821 ai->wireless_data.spy_data = &ai->spy_data;
2822 dev->wireless_data = &ai->wireless_data;
1da177e4
LT
2823 dev->irq = irq;
2824 dev->base_addr = port;
550fd08c 2825 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
1da177e4
LT
2826
2827 SET_NETDEV_DEV(dev, dmdev);
2828
1d97f384
MC
2829 reset_card (dev, 1);
2830 msleep(400);
1da177e4 2831
1da177e4 2832 if (!is_pcmcia) {
1138c37b 2833 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2834 rc = -EBUSY;
934d8bf1 2835 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2836 goto err_out_nets;
1da177e4
LT
2837 }
2838 }
2839
2840 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS
2841 if (mpi_map_card(ai, pci)) {
2842 airo_print_err("", "Could not map memory");
1da177e4
LT
2843 goto err_out_res;
2844 }
2845 }
2846
2847 if (probe) {
f65b56d6 2848 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
934d8bf1 2849 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT
2850 rc = -EIO;
2851 goto err_out_map;
2852 }
2853 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2854 ai->bap_read = fast_bap_read;
2855 set_bit(FLAG_FLASHING, &ai->flags);
2856 }
2857
f65b56d6
DW
2858 strcpy(dev->name, "eth%d");
2859 rc = register_netdev(dev);
2860 if (rc) {
2861 airo_print_err(dev->name, "Couldn't register_netdev");
2862 goto err_out_map;
2863 }
2864 ai->wifidev = init_wifidev(ai, dev);
2865 if (!ai->wifidev)
2866 goto err_out_reg;
2867
2868 rc = readCapabilityRid(ai, &cap_rid, 1);
2869 if (rc != SUCCESS) {
2870 rc = -EIO;
2871 goto err_out_wifi;
2872 }
138c0c68
DW
2873 /* WEP capability discovery */
2874 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2875 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
f65b56d6 2876
f3a981ff 2877 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
f65b56d6
DW
2878 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2879 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2880 le16_to_cpu(cap_rid.softSubVer));
2881
3c304956 2882 /* Test for WPA support */
f65b56d6
DW
2883 /* Only firmware versions 5.30.17 or better can do WPA */
2884 if (le16_to_cpu(cap_rid.softVer) > 0x530
2885 || (le16_to_cpu(cap_rid.softVer) == 0x530
2886 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2887 airo_print_info(ai->dev->name, "WPA supported.");
2888
3c304956
DW
2889 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2890 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2891 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid);
2893 } else {
f65b56d6
DW
2894 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2895 "versions older than 5.30.17.");
2896
3c304956
DW
2897 ai->bssListFirst = RID_BSSLISTFIRST;
2898 ai->bssListNext = RID_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2900 }
2901
1da177e4 2902 set_bit(FLAG_REGISTERED,&ai->flags);
e174961c 2903 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT
2904
2905 /* Allocate the transmit buffers */
2906 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2907 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2908 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2909
faf3994a 2910 if (setup_proc_entry(dev, dev->ml_priv) < 0)
431aca5a
FM
2911 goto err_out_wifi;
2912
1da177e4
LT
2913 return dev;
2914
431aca5a
FM
2915err_out_wifi:
2916 unregister_netdev(ai->wifidev);
2917 free_netdev(ai->wifidev);
2918err_out_reg:
2919 unregister_netdev(dev);
1da177e4
LT
2920err_out_map:
2921 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2922 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2923 iounmap(ai->pciaux);
2924 iounmap(ai->pcimem);
2925 mpi_unmap_card(ai->pci);
2926 }
2927err_out_res:
2928 if (!is_pcmcia)
2929 release_region( dev->base_addr, 64 );
4d881901
MS
2930err_out_nets:
2931 airo_networks_free(ai);
1da177e4 2932err_out_free:
ff4bf917 2933 del_airo_dev(ai);
1da177e4
LT
2934 free_netdev(dev);
2935 return NULL;
2936}
2937
2938struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2939 struct device *dmdev)
2940{
2941 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2942}
2943
2944EXPORT_SYMBOL(init_airo_card);
2945
2946static int waitbusy (struct airo_info *ai) {
2947 int delay = 0;
b212f337 2948 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT
2949 udelay (10);
2950 if ((++delay % 20) == 0)
2951 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2952 }
2953 return delay < 10000;
2954}
2955
2956int reset_airo_card( struct net_device *dev )
2957{
2958 int i;
faf3994a 2959 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2960
2961 if (reset_card (dev, 1))
2962 return -1;
2963
2964 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2965 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT
2966 return -1;
2967 }
e174961c 2968 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT
2969 /* Allocate the transmit buffers if needed */
2970 if (!test_bit(FLAG_MPI,&ai->flags))
2971 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2972 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT
2973
2974 enable_interrupts( ai );
2975 netif_wake_queue(dev);
2976 return 0;
2977}
2978
2979EXPORT_SYMBOL(reset_airo_card);
2980
2981static void airo_send_event(struct net_device *dev) {
faf3994a 2982 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2983 union iwreq_data wrqu;
2984 StatusRid status_rid;
2985
3c304956 2986 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT
2987 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2988 up(&ai->sem);
2989 wrqu.data.length = 0;
2990 wrqu.data.flags = 0;
2991 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2992 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2993
2994 /* Send event to user space */
2995 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2996}
2997
9e75af30
DW
2998static void airo_process_scan_results (struct airo_info *ai) {
2999 union iwreq_data wrqu;
3c304956 3000 BSSListRid bss;
9e75af30
DW
3001 int rc;
3002 BSSListElement * loop_net;
3003 BSSListElement * tmp_net;
3004
3005 /* Blow away current list of scan results */
3006 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3007 list_move_tail (&loop_net->list, &ai->network_free_list);
3008 /* Don't blow away ->list, just BSS data */
3009 memset (loop_net, 0, sizeof (loop_net->bss));
3010 }
3011
3012 /* Try to read the first entry of the scan result */
3c304956 3013 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 3014 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW
3015 /* No scan results */
3016 goto out;
3017 }
3018
3019 /* Read and parse all entries */
3020 tmp_net = NULL;
17e70491 3021 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW
3022 /* Grab a network off the free list */
3023 if (!list_empty(&ai->network_free_list)) {
3024 tmp_net = list_entry(ai->network_free_list.next,
3025 BSSListElement, list);
3026 list_del(ai->network_free_list.next);
3027 }
3028
3029 if (tmp_net != NULL) {
3c304956 3030 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW
3031 list_add_tail(&tmp_net->list, &ai->network_list);
3032 tmp_net = NULL;
3033 }
3034
3035 /* Read next entry */
3c304956
DW
3036 rc = PC4500_readrid(ai, ai->bssListNext,
3037 &bss, ai->bssListRidLen, 0);
9e75af30
DW
3038 }
3039
3040out:
3041 ai->scan_timeout = 0;
3c304956 3042 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW
3043 up(&ai->sem);
3044
3045 /* Send an empty event to user space.
3046 * We don't send the received data on
3047 * the event because it would require
3048 * us to do complex transcoding, and
3049 * we want to minimise the work done in
3050 * the irq handler. Use a request to
3051 * extract the data - Jean II */
3052 wrqu.data.length = 0;
3053 wrqu.data.flags = 0;
3054 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3055}
3056
1da177e4
LT
3057static int airo_thread(void *data) {
3058 struct net_device *dev = data;
faf3994a 3059 struct airo_info *ai = dev->ml_priv;
1da177e4 3060 int locked;
83144186
RW
3061
3062 set_freezable();
1da177e4 3063 while(1) {
1da177e4 3064 /* make swsusp happy with our thread */
3e1d1d28 3065 try_to_freeze();
1da177e4 3066
3c304956 3067 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT
3068 break;
3069
3c304956 3070 if (ai->jobs) {
1da177e4
LT
3071 locked = down_interruptible(&ai->sem);
3072 } else {
3073 wait_queue_t wait;
3074
3075 init_waitqueue_entry(&wait, current);
3076 add_wait_queue(&ai->thr_wait, &wait);
3077 for (;;) {
3078 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3079 if (ai->jobs)
1da177e4 3080 break;
9e75af30
DW
3081 if (ai->expires || ai->scan_timeout) {
3082 if (ai->scan_timeout &&
3083 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3084 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW
3085 break;
3086 } else if (ai->expires &&
3087 time_after_eq(jiffies,ai->expires)){
3c304956 3088 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT
3089 break;
3090 }
5bb85f18
DK
3091 if (!kthread_should_stop() &&
3092 !freezing(current)) {
9e75af30
DW
3093 unsigned long wake_at;
3094 if (!ai->expires || !ai->scan_timeout) {
3095 wake_at = max(ai->expires,
3096 ai->scan_timeout);
3097 } else {
3098 wake_at = min(ai->expires,
3099 ai->scan_timeout);
3100 }
3101 schedule_timeout(wake_at - jiffies);
1da177e4
LT
3102 continue;
3103 }
5bb85f18
DK
3104 } else if (!kthread_should_stop() &&
3105 !freezing(current)) {
1da177e4
LT
3106 schedule();
3107 continue;
3108 }
3109 break;
3110 }
3111 current->state = TASK_RUNNING;
3112 remove_wait_queue(&ai->thr_wait, &wait);
3113 locked = 1;
3114 }
3115
3116 if (locked)
3117 continue;
3118
3c304956 3119 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT
3120 up(&ai->sem);
3121 break;
3122 }
3123
ca078bae 3124 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT
3125 up(&ai->sem);
3126 continue;
3127 }
3128
3c304956 3129 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3130 airo_end_xmit(dev);
3c304956 3131 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3132 airo_end_xmit11(dev);
3c304956 3133 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3134 airo_read_stats(dev);
3c304956 3135 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3136 airo_read_wireless_stats(ai);
3c304956 3137 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3138 airo_set_promisc(ai);
3c304956 3139 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3140 micinit(ai);
3c304956 3141 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3142 airo_send_event(dev);
3c304956 3143 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3144 timer_func(dev);
3c304956 3145 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW
3146 airo_process_scan_results(ai);
3147 else /* Shouldn't get here, but we make sure to unlock */
3148 up(&ai->sem);
1da177e4 3149 }
3b4c7d64
SB
3150
3151 return 0;
1da177e4
LT
3152}
3153
0300b332
AV
3154static int header_len(__le16 ctl)
3155{
3156 u16 fc = le16_to_cpu(ctl);
3157 switch (fc & 0xc) {
3158 case 4:
3159 if ((fc & 0xe0) == 0xc0)
3160 return 10; /* one-address control packet */
3161 return 16; /* two-address control packet */
3162 case 8:
3163 if ((fc & 0x300) == 0x300)
3164 return 30; /* WDS packet */
3165 }
3166 return 24;
3167}
3168
f55d4517 3169static void airo_handle_cisco_mic(struct airo_info *ai)
28fc1f5a 3170{
f55d4517
DW
3171 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3172 set_bit(JOB_MIC, &ai->jobs);
3173 wake_up_interruptible(&ai->thr_wait);
3174 }
3175}
3176
3177/* Airo Status codes */
3178#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3179#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3180#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3181#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3182#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3183#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3184#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3185#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3186#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3187#define STAT_ASSOC 0x0400 /* Associated */
3188#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3189
3190static void airo_print_status(const char *devname, u16 status)
3191{
3192 u8 reason = status & 0xFF;
3193
3bc819e8 3194 switch (status & 0xFF00) {
f55d4517 3195 case STAT_NOBEACON:
3bc819e8
MC
3196 switch (status) {
3197 case STAT_NOBEACON:
3198 airo_print_dbg(devname, "link lost (missed beacons)");
3199 break;
3200 case STAT_MAXRETRIES:
3201 case STAT_MAXARL:
3202 airo_print_dbg(devname, "link lost (max retries)");
3203 break;
3204 case STAT_FORCELOSS:
3205 airo_print_dbg(devname, "link lost (local choice)");
3206 break;
3207 case STAT_TSFSYNC:
3208 airo_print_dbg(devname, "link lost (TSF sync lost)");
3209 break;
3210 default:
3211 airo_print_dbg(devname, "unknow status %x\n", status);
3212 break;
3213 }
f55d4517
DW
3214 break;
3215 case STAT_DEAUTH:
3216 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3217 break;
3218 case STAT_DISASSOC:
3219 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3220 break;
3221 case STAT_ASSOC_FAIL:
3222 airo_print_dbg(devname, "association failed (reason: %d)",
3223 reason);
3224 break;
3225 case STAT_AUTH_FAIL:
3226 airo_print_dbg(devname, "authentication failed (reason: %d)",
3227 reason);
3228 break;
3bc819e8
MC
3229 case STAT_ASSOC:
3230 case STAT_REASSOC:
3231 break;
f55d4517 3232 default:
3bc819e8 3233 airo_print_dbg(devname, "unknow status %x\n", status);
f55d4517
DW
3234 break;
3235 }
3236}
3237
3238static void airo_handle_link(struct airo_info *ai)
3239{
3240 union iwreq_data wrqu;
3241 int scan_forceloss = 0;
1da177e4 3242 u16 status;
f55d4517
DW
3243
3244 /* Get new status and acknowledge the link change */
3245 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3246 OUT4500(ai, EVACK, EV_LINK);
3247
3248 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3249 scan_forceloss = 1;
3250
3251 airo_print_status(ai->dev->name, status);
3252
3253 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3254 if (auto_wep)
3255 ai->expires = 0;
3256 if (ai->list_bss_task)
3257 wake_up_process(ai->list_bss_task);
3258 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3259 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3260
3261 if (down_trylock(&ai->sem) != 0) {
3262 set_bit(JOB_EVENT, &ai->jobs);
3263 wake_up_interruptible(&ai->thr_wait);
3264 } else
3265 airo_send_event(ai->dev);
3266 } else if (!scan_forceloss) {
3267 if (auto_wep && !ai->expires) {
3268 ai->expires = RUN_AT(3*HZ);
3269 wake_up_interruptible(&ai->thr_wait);
3270 }
3271
3272 /* Send event to user space */
3273 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3274 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3275 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3276 }
3277}
3278
3279static void airo_handle_rx(struct airo_info *ai)
3280{
3281 struct sk_buff *skb = NULL;
3282 __le16 fc, v, *buffer, tmpbuf[4];
3283 u16 len, hdrlen = 0, gap, fid;
3284 struct rx_hdr hdr;
3285 int success = 0;
3286
3287 if (test_bit(FLAG_MPI, &ai->flags)) {
3288 if (test_bit(FLAG_802_11, &ai->flags))
3289 mpi_receive_802_11(ai);
3290 else
3291 mpi_receive_802_3(ai);
3292 OUT4500(ai, EVACK, EV_RX);
3293 return;
3294 }
3295
3296 fid = IN4500(ai, RXFID);
3297
3298 /* Get the packet length */
3299 if (test_bit(FLAG_802_11, &ai->flags)) {
3300 bap_setup (ai, fid, 4, BAP0);
3301 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3302 /* Bad CRC. Ignore packet */
3303 if (le16_to_cpu(hdr.status) & 2)
3304 hdr.len = 0;
3305 if (ai->wifidev == NULL)
3306 hdr.len = 0;
3307 } else {
3308 bap_setup(ai, fid, 0x36, BAP0);
3309 bap_read(ai, &hdr.len, 2, BAP0);
3310 }
3311 len = le16_to_cpu(hdr.len);
3312
3313 if (len > AIRO_DEF_MTU) {
3314 airo_print_err(ai->dev->name, "Bad size %d", len);
3315 goto done;
3316 }
3317 if (len == 0)
3318 goto done;
3319
3320 if (test_bit(FLAG_802_11, &ai->flags)) {
3321 bap_read(ai, &fc, sizeof (fc), BAP0);
3322 hdrlen = header_len(fc);
3323 } else
3324 hdrlen = ETH_ALEN * 2;
3325
3326 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3327 if (!skb) {
3328 ai->dev->stats.rx_dropped++;
3329 goto done;
3330 }
3331
3332 skb_reserve(skb, 2); /* This way the IP header is aligned */
3333 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3334 if (test_bit(FLAG_802_11, &ai->flags)) {
3335 buffer[0] = fc;
3336 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3337 if (hdrlen == 24)
3338 bap_read(ai, tmpbuf, 6, BAP0);
3339
3340 bap_read(ai, &v, sizeof(v), BAP0);
3341 gap = le16_to_cpu(v);
3342 if (gap) {
3343 if (gap <= 8) {
3344 bap_read(ai, tmpbuf, gap, BAP0);
3345 } else {
3346 airo_print_err(ai->dev->name, "gaplen too "
3347 "big. Problems will follow...");
3348 }
3349 }
3350 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3351 } else {
3352 MICBuffer micbuf;
3353
3354 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3355 if (ai->micstats.enabled) {
3356 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3357 if (ntohs(micbuf.typelen) > 0x05DC)
3358 bap_setup(ai, fid, 0x44, BAP0);
3359 else {
3360 if (len <= sizeof (micbuf)) {
3361 dev_kfree_skb_irq(skb);
3362 goto done;
3363 }
3364
3365 len -= sizeof(micbuf);
3366 skb_trim(skb, len + hdrlen);
3367 }
3368 }
3369
3370 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3371 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3372 dev_kfree_skb_irq (skb);
3373 else
3374 success = 1;
3375 }
3376
3377#ifdef WIRELESS_SPY
3378 if (success && (ai->spy_data.spy_number > 0)) {
3379 char *sa;
3380 struct iw_quality wstats;
3381
3382 /* Prepare spy data : addr + qual */
3383 if (!test_bit(FLAG_802_11, &ai->flags)) {
3384 sa = (char *) buffer + 6;
3385 bap_setup(ai, fid, 8, BAP0);
3386 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3387 } else
3388 sa = (char *) buffer + 10;
3389 wstats.qual = hdr.rssi[0];
3390 if (ai->rssi)
3391 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3392 else
3393 wstats.level = (hdr.rssi[1] + 321) / 2;
3394 wstats.noise = ai->wstats.qual.noise;
3395 wstats.updated = IW_QUAL_LEVEL_UPDATED
3396 | IW_QUAL_QUAL_UPDATED
3397 | IW_QUAL_DBM;
3398 /* Update spy records */
3399 wireless_spy_update(ai->dev, sa, &wstats);
3400 }
3401#endif /* WIRELESS_SPY */
3402
3403done:
3404 OUT4500(ai, EVACK, EV_RX);
3405
3406 if (success) {
3407 if (test_bit(FLAG_802_11, &ai->flags)) {
3408 skb_reset_mac_header(skb);
3409 skb->pkt_type = PACKET_OTHERHOST;
3410 skb->dev = ai->wifidev;
3411 skb->protocol = htons(ETH_P_802_2);
3412 } else
3413 skb->protocol = eth_type_trans(skb, ai->dev);
3414 skb->ip_summed = CHECKSUM_NONE;
3415
3416 netif_rx(skb);
3417 }
3418}
3419
3420static void airo_handle_tx(struct airo_info *ai, u16 status)
3421{
3422 int i, len = 0, index = -1;
1da177e4 3423 u16 fid;
f55d4517
DW
3424
3425 if (test_bit(FLAG_MPI, &ai->flags)) {
3426 unsigned long flags;
3427
3428 if (status & EV_TXEXC)
3429 get_tx_error(ai, -1);
3430
3431 spin_lock_irqsave(&ai->aux_lock, flags);
3432 if (!skb_queue_empty(&ai->txq)) {
3433 spin_unlock_irqrestore(&ai->aux_lock,flags);
3434 mpi_send_packet(ai->dev);
3435 } else {
3436 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3437 spin_unlock_irqrestore(&ai->aux_lock,flags);
3438 netif_wake_queue(ai->dev);
3439 }
3440 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3441 return;
3442 }
3443
3444 fid = IN4500(ai, TXCOMPLFID);
3445
3446 for(i = 0; i < MAX_FIDS; i++) {
3447 if ((ai->fids[i] & 0xffff) == fid) {
3448 len = ai->fids[i] >> 16;
3449 index = i;
3450 }
3451 }
3452
3453 if (index != -1) {
3454 if (status & EV_TXEXC)
3455 get_tx_error(ai, index);
3456
3457 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3458
3459 /* Set up to be used again */
3460 ai->fids[index] &= 0xffff;
3461 if (index < MAX_FIDS / 2) {
3462 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3463 netif_wake_queue(ai->dev);
3464 } else {
3465 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3466 netif_wake_queue(ai->wifidev);
3467 }
3468 } else {
3469 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3470 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3471 }
3472}
3473
3474static irqreturn_t airo_interrupt(int irq, void *dev_id)
3475{
3476 struct net_device *dev = dev_id;
3477 u16 status, savedInterrupts = 0;
3478 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
3479 int handled = 0;
3480
3481 if (!netif_device_present(dev))
3482 return IRQ_NONE;
3483
3484 for (;;) {
f55d4517
DW
3485 status = IN4500(ai, EVSTAT);
3486 if (!(status & STATUS_INTS) || (status == 0xffff))
3487 break;
1da177e4
LT
3488
3489 handled = 1;
3490
f55d4517
DW
3491 if (status & EV_AWAKE) {
3492 OUT4500(ai, EVACK, EV_AWAKE);
3493 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT
3494 }
3495
3496 if (!savedInterrupts) {
f55d4517
DW
3497 savedInterrupts = IN4500(ai, EVINTEN);
3498 OUT4500(ai, EVINTEN, 0);
1da177e4
LT
3499 }
3500
f55d4517
DW
3501 if (status & EV_MIC) {
3502 OUT4500(ai, EVACK, EV_MIC);
3503 airo_handle_cisco_mic(ai);
1da177e4 3504 }
1da177e4 3505
f55d4517
DW
3506 if (status & EV_LINK) {
3507 /* Link status changed */
3508 airo_handle_link(ai);
1da177e4
LT
3509 }
3510
3511 /* Check to see if there is something to receive */
f55d4517
DW
3512 if (status & EV_RX)
3513 airo_handle_rx(ai);
1da177e4
LT
3514
3515 /* Check to see if a packet has been transmitted */
f55d4517
DW
3516 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3517 airo_handle_tx(ai, status);
1da177e4 3518
f55d4517
DW
3519 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3520 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3521 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3522 }
1da177e4
LT
3523 }
3524
3525 if (savedInterrupts)
f55d4517 3526 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3527
1da177e4
LT
3528 return IRQ_RETVAL(handled);
3529}
3530
3531/*
3532 * Routines to talk to the card
3533 */
3534
3535/*
3536 * This was originally written for the 4500, hence the name
3537 * NOTE: If use with 8bit mode and SMP bad things will happen!
3538 * Why would some one do 8 bit IO in an SMP machine?!?
3539 */
3540static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3541 if (test_bit(FLAG_MPI,&ai->flags))
3542 reg <<= 1;
3543 if ( !do8bitIO )
3544 outw( val, ai->dev->base_addr + reg );
3545 else {
3546 outb( val & 0xff, ai->dev->base_addr + reg );
3547 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3548 }
3549}
3550
3551static u16 IN4500( struct airo_info *ai, u16 reg ) {
3552 unsigned short rc;
3553
3554 if (test_bit(FLAG_MPI,&ai->flags))
3555 reg <<= 1;
3556 if ( !do8bitIO )
3557 rc = inw( ai->dev->base_addr + reg );
3558 else {
3559 rc = inb( ai->dev->base_addr + reg );
3560 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3561 }
3562 return rc;
3563}
3564
175ec1a1
MS
3565static int enable_MAC(struct airo_info *ai, int lock)
3566{
1da177e4 3567 int rc;
175ec1a1
MS
3568 Cmd cmd;
3569 Resp rsp;
1da177e4
LT
3570
3571 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3572 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3573 * Note : we could try to use !netif_running(dev) in enable_MAC()
3574 * instead of this flag, but I don't trust it *within* the
3575 * open/close functions, and testing both flags together is
3576 * "cheaper" - Jean II */
3577 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3578
3579 if (lock && down_interruptible(&ai->sem))
3580 return -ERESTARTSYS;
3581
3582 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3583 memset(&cmd, 0, sizeof(cmd));
3584 cmd.cmd = MAC_ENABLE;
175ec1a1 3585 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT
3586 if (rc == SUCCESS)
3587 set_bit(FLAG_ENABLED, &ai->flags);
3588 } else
3589 rc = SUCCESS;
3590
3591 if (lock)
3592 up(&ai->sem);
3593
3594 if (rc)
175ec1a1
MS
3595 airo_print_err(ai->dev->name, "Cannot enable MAC");
3596 else if ((rsp.status & 0xFF00) != 0) {
3597 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3598 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3599 rc = ERROR;
3600 }
1da177e4
LT
3601 return rc;
3602}
3603
3604static void disable_MAC( struct airo_info *ai, int lock ) {
3605 Cmd cmd;
3606 Resp rsp;
3607
3608 if (lock && down_interruptible(&ai->sem))
3609 return;
3610
3611 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3612 memset(&cmd, 0, sizeof(cmd));
3613 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3614 issuecommand(ai, &cmd, &rsp);
3615 clear_bit(FLAG_ENABLED, &ai->flags);
3616 }
3617 if (lock)
3618 up(&ai->sem);
3619}
3620
3621static void enable_interrupts( struct airo_info *ai ) {
3622 /* Enable the interrupts */
3623 OUT4500( ai, EVINTEN, STATUS_INTS );
3624}
3625
3626static void disable_interrupts( struct airo_info *ai ) {
3627 OUT4500( ai, EVINTEN, 0 );
3628}
3629
3630static void mpi_receive_802_3(struct airo_info *ai)
3631{
3632 RxFid rxd;
3633 int len = 0;
3634 struct sk_buff *skb;
3635 char *buffer;
1da177e4
LT
3636 int off = 0;
3637 MICBuffer micbuf;
1da177e4
LT
3638
3639 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3640 /* Make sure we got something */
3641 if (rxd.rdy && rxd.valid == 0) {
3642 len = rxd.len + 12;
3643 if (len < 12 || len > 2048)
3644 goto badrx;
3645
3646 skb = dev_alloc_skb(len);
3647 if (!skb) {
5d9276da 3648 ai->dev->stats.rx_dropped++;
1da177e4
LT
3649 goto badrx;
3650 }
3651 buffer = skb_put(skb,len);
1da177e4
LT
3652 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3653 if (ai->micstats.enabled) {
3654 memcpy(&micbuf,
3655 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3656 sizeof(micbuf));
3657 if (ntohs(micbuf.typelen) <= 0x05DC) {
3658 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3659 goto badmic;
3660
3661 off = sizeof(micbuf);
3662 skb_trim (skb, len - off);
3663 }
3664 }
3665 memcpy(buffer + ETH_ALEN * 2,
3666 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3667 len - ETH_ALEN * 2 - off);
3668 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3669badmic:
3670 dev_kfree_skb_irq (skb);
3671 goto badrx;
3672 }
1da177e4
LT
3673#ifdef WIRELESS_SPY
3674 if (ai->spy_data.spy_number > 0) {
3675 char *sa;
3676 struct iw_quality wstats;
3677 /* Prepare spy data : addr + qual */
3678 sa = buffer + ETH_ALEN;
3679 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3680 wstats.level = 0;
3681 wstats.updated = 0;
3682 /* Update spy records */
3683 wireless_spy_update(ai->dev, sa, &wstats);
3684 }
3685#endif /* WIRELESS_SPY */
3686
1da177e4
LT
3687 skb->ip_summed = CHECKSUM_NONE;
3688 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT
3689 netif_rx(skb);
3690 }
3691badrx:
3692 if (rxd.valid == 0) {
3693 rxd.valid = 1;
3694 rxd.rdy = 0;
3695 rxd.len = PKTSIZE;
3696 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3697 }
3698}
3699
2ed5ba89 3700static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT
3701{
3702 RxFid rxd;
3703 struct sk_buff *skb = NULL;
0300b332
AV
3704 u16 len, hdrlen = 0;
3705 __le16 fc;
f55d4517 3706 struct rx_hdr hdr;
1da177e4
LT
3707 u16 gap;
3708 u16 *buffer;
f55d4517 3709 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT
3710
3711 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3712 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3713 ptr += sizeof(hdr);
3714 /* Bad CRC. Ignore packet */
3715 if (le16_to_cpu(hdr.status) & 2)
3716 hdr.len = 0;
3717 if (ai->wifidev == NULL)
3718 hdr.len = 0;
3719 len = le16_to_cpu(hdr.len);
15db2763 3720 if (len > AIRO_DEF_MTU) {
934d8bf1 3721 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT
3722 goto badrx;
3723 }
3724 if (len == 0)
3725 goto badrx;
3726
0300b332
AV
3727 fc = get_unaligned((__le16 *)ptr);
3728 hdrlen = header_len(fc);
1da177e4
LT
3729
3730 skb = dev_alloc_skb( len + hdrlen + 2 );
3731 if ( !skb ) {
5d9276da 3732 ai->dev->stats.rx_dropped++;
1da177e4
LT
3733 goto badrx;
3734 }
3735 buffer = (u16*)skb_put (skb, len + hdrlen);
3736 memcpy ((char *)buffer, ptr, hdrlen);
3737 ptr += hdrlen;
3738 if (hdrlen == 24)
3739 ptr += 6;
533dd1b0 3740 gap = get_unaligned_le16(ptr);
593c2b9c 3741 ptr += sizeof(__le16);
1da177e4
LT
3742 if (gap) {
3743 if (gap <= 8)
3744 ptr += gap;
3745 else
934d8bf1
DW
3746 airo_print_err(ai->dev->name,
3747 "gaplen too big. Problems will follow...");
1da177e4
LT
3748 }
3749 memcpy ((char *)buffer + hdrlen, ptr, len);
3750 ptr += len;
3751#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3752 if (ai->spy_data.spy_number > 0) {
3753 char *sa;
3754 struct iw_quality wstats;
3755 /* Prepare spy data : addr + qual */
3756 sa = (char*)buffer + 10;
3757 wstats.qual = hdr.rssi[0];
3758 if (ai->rssi)
3759 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3760 else
3761 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW
3762 wstats.noise = ai->wstats.qual.noise;
3763 wstats.updated = IW_QUAL_QUAL_UPDATED
3764 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3765 | IW_QUAL_DBM;
1da177e4
LT
3766 /* Update spy records */
3767 wireless_spy_update(ai->dev, sa, &wstats);
3768 }
3769#endif /* IW_WIRELESS_SPY */
459a98ed 3770 skb_reset_mac_header(skb);
1da177e4
LT
3771 skb->pkt_type = PACKET_OTHERHOST;
3772 skb->dev = ai->wifidev;
3773 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT
3774 skb->ip_summed = CHECKSUM_NONE;
3775 netif_rx( skb );
f55d4517 3776
1da177e4
LT
3777badrx:
3778 if (rxd.valid == 0) {
3779 rxd.valid = 1;
3780 rxd.rdy = 0;
3781 rxd.len = PKTSIZE;
3782 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3783 }
3784}
3785
3786static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3787{
3788 Cmd cmd;
3789 Resp rsp;
3790 int status;
1da177e4 3791 SsidRid mySsid;
4293ea33 3792 __le16 lastindex;
1da177e4
LT
3793 WepKeyRid wkr;
3794 int rc;
3795
3796 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ
3797 kfree (ai->flash);
3798 ai->flash = NULL;
1da177e4
LT
3799
3800 /* The NOP is the first step in getting the card going */
3801 cmd.cmd = NOP;
3802 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3803 if (lock && down_interruptible(&ai->sem))
3804 return ERROR;
3805 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3806 if (lock)
3807 up(&ai->sem);
3808 return ERROR;
3809 }
3810 disable_MAC( ai, 0);
3811
3812 // Let's figure out if we need to use the AUX port
3813 if (!test_bit(FLAG_MPI,&ai->flags)) {
3814 cmd.cmd = CMD_ENABLEAUX;
3815 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3816 if (lock)
3817 up(&ai->sem);
934d8bf1 3818 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT
3819 return ERROR;
3820 }
3821 if (!aux_bap || rsp.status & 0xff00) {
3822 ai->bap_read = fast_bap_read;
934d8bf1 3823 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT
3824 } else {
3825 ai->bap_read = aux_bap_read;
934d8bf1 3826 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT
3827 }
3828 }
3829 if (lock)
3830 up(&ai->sem);
3831 if (ai->config.len == 0) {
49c4a5dc 3832 int i;
1da177e4
LT
3833 tdsRssiRid rssi_rid;
3834 CapabilityRid cap_rid;
3835
b4558ea9
JJ
3836 kfree(ai->APList);
3837 ai->APList = NULL;
3838 kfree(ai->SSID);
3839 ai->SSID = NULL;
1da177e4
LT
3840 // general configuration (read/modify/write)
3841 status = readConfigRid(ai, lock);
3842 if ( status != SUCCESS ) return ERROR;
3843
3844 status = readCapabilityRid(ai, &cap_rid, lock);
3845 if ( status != SUCCESS ) return ERROR;
3846
3847 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3848 if ( status == SUCCESS ) {
3849 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3850 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT
3851 }
3852 else {
b4558ea9
JJ
3853 kfree(ai->rssi);
3854 ai->rssi = NULL;
56d81bd3 3855 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT
3856 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3857 else
934d8bf1
DW
3858 airo_print_warn(ai->dev->name, "unknown received signal "
3859 "level scale");
1da177e4
LT
3860 }
3861 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3862 ai->config.authType = AUTH_OPEN;
3863 ai->config.modulation = MOD_CCK;
3864
56d81bd3 3865 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3866 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3867 micsetup(ai) == SUCCESS) {
1da177e4
LT
3868 ai->config.opmode |= MODE_MIC;
3869 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3870 }
1da177e4
LT
3871
3872 /* Save off the MAC */
3873 for( i = 0; i < ETH_ALEN; i++ ) {
3874 mac[i] = ai->config.macAddr[i];
3875 }
3876
3877 /* Check to see if there are any insmod configured
3878 rates to add */
3879 if ( rates[0] ) {
1da177e4
LT
3880 memset(ai->config.rates,0,sizeof(ai->config.rates));
3881 for( i = 0; i < 8 && rates[i]; i++ ) {
3882 ai->config.rates[i] = rates[i];
3883 }
3884 }
1da177e4
LT
3885 set_bit (FLAG_COMMIT, &ai->flags);
3886 }
3887
3888 /* Setup the SSIDs if present */
3889 if ( ssids[0] ) {
3890 int i;
3891 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV
3892 size_t len = strlen(ssids[i]);
3893 if (len > 32)
3894 len = 32;
3895 mySsid.ssids[i].len = cpu_to_le16(len);
3896 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3897 }
0dd2212f 3898 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT
3899 }
3900
3901 status = writeConfigRid(ai, lock);
3902 if ( status != SUCCESS ) return ERROR;
3903
3904 /* Set up the SSID list */
3905 if ( ssids[0] ) {
3906 status = writeSsidRid(ai, &mySsid, lock);
3907 if ( status != SUCCESS ) return ERROR;
3908 }
3909
175ec1a1
MS
3910 status = enable_MAC(ai, lock);
3911 if (status != SUCCESS)
1da177e4 3912 return ERROR;
1da177e4
LT
3913
3914 /* Grab the initial wep key, we gotta save it for auto_wep */
3915 rc = readWepKeyRid(ai, &wkr, 1, lock);
3916 if (rc == SUCCESS) do {
3917 lastindex = wkr.kindex;
4293ea33 3918 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT
3919 ai->defindex = wkr.mac[0];
3920 }
3921 rc = readWepKeyRid(ai, &wkr, 0, lock);
3922 } while(lastindex != wkr.kindex);
3923
1c2b7db8 3924 try_auto_wep(ai);
1da177e4
LT
3925
3926 return SUCCESS;
3927}
3928
3929static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3930 // Im really paranoid about letting it run forever!
3931 int max_tries = 600000;
3932
3933 if (IN4500(ai, EVSTAT) & EV_CMD)
3934 OUT4500(ai, EVACK, EV_CMD);
3935
3936 OUT4500(ai, PARAM0, pCmd->parm0);
3937 OUT4500(ai, PARAM1, pCmd->parm1);
3938 OUT4500(ai, PARAM2, pCmd->parm2);
3939 OUT4500(ai, COMMAND, pCmd->cmd);
3940
3941 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3942 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3943 // PC4500 didn't notice command, try again
3944 OUT4500(ai, COMMAND, pCmd->cmd);
3945 if (!in_atomic() && (max_tries & 255) == 0)
3946 schedule();
3947 }
3948
3949 if ( max_tries == -1 ) {
934d8bf1 3950 airo_print_err(ai->dev->name,
25985edc 3951 "Max tries exceeded when issuing command");
1da177e4
LT
3952 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3954 return ERROR;
3955 }
3956
3957 // command completed
3958 pRsp->status = IN4500(ai, STATUS);
3959 pRsp->rsp0 = IN4500(ai, RESP0);
3960 pRsp->rsp1 = IN4500(ai, RESP1);
3961 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS
3962 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3963 airo_print_err(ai->dev->name,
3964 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3965 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3966 pRsp->rsp2);
1da177e4
LT
3967
3968 // clear stuck command busy if necessary
3969 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3970 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3971 }
3972 // acknowledge processing the status/response
3973 OUT4500(ai, EVACK, EV_CMD);
3974
3975 return SUCCESS;
3976}
3977
3978/* Sets up the bap to start exchange data. whichbap should
3979 * be one of the BAP0 or BAP1 defines. Locks should be held before
3980 * calling! */
3981static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3982{
3983 int timeout = 50;
3984 int max_tries = 3;
3985
3986 OUT4500(ai, SELECT0+whichbap, rid);
3987 OUT4500(ai, OFFSET0+whichbap, offset);
3988 while (1) {
3989 int status = IN4500(ai, OFFSET0+whichbap);
3990 if (status & BAP_BUSY) {
3991 /* This isn't really a timeout, but its kinda
3992 close */
3993 if (timeout--) {
3994 continue;
3995 }
3996 } else if ( status & BAP_ERR ) {
3997 /* invalid rid or offset */
934d8bf1 3998 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT
3999 status, whichbap );
4000 return ERROR;
4001 } else if (status & BAP_DONE) { // success
4002 return SUCCESS;
4003 }
4004 if ( !(max_tries--) ) {
934d8bf1 4005 airo_print_err(ai->dev->name,
1138c37b 4006 "BAP setup error too many retries\n");
1da177e4
LT
4007 return ERROR;
4008 }
4009 // -- PC4500 missed it, try again
4010 OUT4500(ai, SELECT0+whichbap, rid);
4011 OUT4500(ai, OFFSET0+whichbap, offset);
4012 timeout = 50;
4013 }
4014}
4015
4016/* should only be called by aux_bap_read. This aux function and the
4017 following use concepts not documented in the developers guide. I
4018 got them from a patch given to my by Aironet */
4019static u16 aux_setup(struct airo_info *ai, u16 page,
4020 u16 offset, u16 *len)
4021{
4022 u16 next;
4023
4024 OUT4500(ai, AUXPAGE, page);
4025 OUT4500(ai, AUXOFF, 0);
4026 next = IN4500(ai, AUXDATA);
4027 *len = IN4500(ai, AUXDATA)&0xff;
4028 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4029 return next;
4030}
4031
4032/* requires call to bap_setup() first */
b8c06bc1 4033static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT
4034 int bytelen, int whichbap)
4035{
4036 u16 len;
4037 u16 page;
4038 u16 offset;
4039 u16 next;
4040 int words;
4041 int i;
4042 unsigned long flags;
4043
4044 spin_lock_irqsave(&ai->aux_lock, flags);
4045 page = IN4500(ai, SWS0+whichbap);
4046 offset = IN4500(ai, SWS2+whichbap);
4047 next = aux_setup(ai, page, offset, &len);
4048 words = (bytelen+1)>>1;
4049
4050 for (i=0; i<words;) {
4051 int count;
4052 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4053 if ( !do8bitIO )
4054 insw( ai->dev->base_addr+DATA0+whichbap,
4055 pu16Dst+i,count );
4056 else
4057 insb( ai->dev->base_addr+DATA0+whichbap,
4058 pu16Dst+i, count << 1 );
4059 i += count;
4060 if (i<words) {
4061 next = aux_setup(ai, next, 4, &len);
4062 }
4063 }
4064 spin_unlock_irqrestore(&ai->aux_lock, flags);
4065 return SUCCESS;
4066}
4067
4068
4069/* requires call to bap_setup() first */
b8c06bc1 4070static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT
4071 int bytelen, int whichbap)
4072{
4073 bytelen = (bytelen + 1) & (~1); // round up to even value
4074 if ( !do8bitIO )
4075 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4076 else
4077 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4078 return SUCCESS;
4079}
4080
4081/* requires call to bap_setup() first */
b8c06bc1 4082static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT
4083 int bytelen, int whichbap)
4084{
4085 bytelen = (bytelen + 1) & (~1); // round up to even value
4086 if ( !do8bitIO )
4087 outsw( ai->dev->base_addr+DATA0+whichbap,
4088 pu16Src, bytelen>>1 );
4089 else
4090 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4091 return SUCCESS;
4092}
4093
4094static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4095{
4096 Cmd cmd; /* for issuing commands */
4097 Resp rsp; /* response from commands */
4098 u16 status;
4099
4100 memset(&cmd, 0, sizeof(cmd));
4101 cmd.cmd = accmd;
4102 cmd.parm0 = rid;
4103 status = issuecommand(ai, &cmd, &rsp);
4104 if (status != 0) return status;
4105 if ( (rsp.status & 0x7F00) != 0) {
4106 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4107 }
4108 return 0;
4109}
4110
4111/* Note, that we are using BAP1 which is also used by transmit, so
4112 * we must get a lock. */
4113static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4114{
4115 u16 status;
4116 int rc = SUCCESS;
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
4126 memset(&cmd, 0, sizeof(cmd));
4127 memset(&rsp, 0, sizeof(rsp));
4128 ai->config_desc.rid_desc.valid = 1;
4129 ai->config_desc.rid_desc.len = RIDSIZE;
4130 ai->config_desc.rid_desc.rid = 0;
4131 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4132
4133 cmd.cmd = CMD_ACCESS;
4134 cmd.parm0 = rid;
4135
4136 memcpy_toio(ai->config_desc.card_ram_off,
4137 &ai->config_desc.rid_desc, sizeof(Rid));
4138
4139 rc = issuecommand(ai, &cmd, &rsp);
4140
4141 if (rsp.status & 0x7f00)
4142 rc = rsp.rsp0;
4143 if (!rc)
4144 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4145 goto done;
4146 } else {
4147 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4148 rc = status;
4149 goto done;
4150 }
4151 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4152 rc = ERROR;
4153 goto done;
4154 }
4155 // read the rid length field
4156 bap_read(ai, pBuf, 2, BAP1);
4157 // length for remaining part of rid
593c2b9c 4158 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT
4159
4160 if ( len <= 2 ) {
934d8bf1
DW
4161 airo_print_err(ai->dev->name,
4162 "Rid %x has a length of %d which is too short",
1da177e4
LT
4163 (int)rid, (int)len );
4164 rc = ERROR;
4165 goto done;
4166 }
4167 // read remainder of the rid
b8c06bc1 4168 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT
4169 }
4170done:
4171 if (lock)
4172 up(&ai->sem);
4173 return rc;
4174}
4175
4176/* Note, that we are using BAP1 which is also used by transmit, so
25985edc 4177 * make sure this isn't called when a transmit is happening */
1da177e4
LT
4178static int PC4500_writerid(struct airo_info *ai, u16 rid,
4179 const void *pBuf, int len, int lock)
4180{
4181 u16 status;
4182 int rc = SUCCESS;
4183
593c2b9c 4184 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT
4185
4186 if (lock) {
4187 if (down_interruptible(&ai->sem))
4188 return ERROR;
4189 }
4190 if (test_bit(FLAG_MPI,&ai->flags)) {
4191 Cmd cmd;
4192 Resp rsp;
4193
f89b2321 4194 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW
4195 airo_print_err(ai->dev->name,
4196 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4197 __func__, rid);
1da177e4
LT
4198 memset(&cmd, 0, sizeof(cmd));
4199 memset(&rsp, 0, sizeof(rsp));
4200
4201 ai->config_desc.rid_desc.valid = 1;
4202 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4203 ai->config_desc.rid_desc.rid = 0;
4204
4205 cmd.cmd = CMD_WRITERID;
4206 cmd.parm0 = rid;
4207
4208 memcpy_toio(ai->config_desc.card_ram_off,
4209 &ai->config_desc.rid_desc, sizeof(Rid));
4210
4211 if (len < 4 || len > 2047) {
c94c93da 4212 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT
4213 rc = -1;
4214 } else {
4215 memcpy((char *)ai->config_desc.virtual_host_addr,
4216 pBuf, len);
4217
4218 rc = issuecommand(ai, &cmd, &rsp);
4219 if ((rc & 0xff00) != 0) {
934d8bf1 4220 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4221 __func__, rc);
934d8bf1 4222 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4223 __func__, cmd.cmd);
1da177e4
LT
4224 }
4225
4226 if ((rsp.status & 0x7f00))
4227 rc = rsp.rsp0;
4228 }
4229 } else {
4230 // --- first access so that we can write the rid data
4231 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4232 rc = status;
4233 goto done;
4234 }
4235 // --- now write the rid data
4236 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4237 rc = ERROR;
4238 goto done;
4239 }
4240 bap_write(ai, pBuf, len, BAP1);
4241 // ---now commit the rid data
4242 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4243 }
4244done:
4245 if (lock)
4246 up(&ai->sem);
4247 return rc;
4248}
4249
4250/* Allocates a FID to be used for transmitting packets. We only use
4251 one for now. */
4252static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4253{
4254 unsigned int loop = 3000;
4255 Cmd cmd;
4256 Resp rsp;
4257 u16 txFid;
593c2b9c 4258 __le16 txControl;
1da177e4
LT
4259
4260 cmd.cmd = CMD_ALLOCATETX;
4261 cmd.parm0 = lenPayload;
4262 if (down_interruptible(&ai->sem))
4263 return ERROR;
4264 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4265 txFid = ERROR;
4266 goto done;
4267 }
4268 if ( (rsp.status & 0xFF00) != 0) {
4269 txFid = ERROR;
4270 goto done;
4271 }
4272 /* wait for the allocate event/indication
4273 * It makes me kind of nervous that this can just sit here and spin,
4274 * but in practice it only loops like four times. */
4275 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4276 if (!loop) {
4277 txFid = ERROR;
4278 goto done;
4279 }
4280
4281 // get the allocated fid and acknowledge
4282 txFid = IN4500(ai, TXALLOCFID);
4283 OUT4500(ai, EVACK, EV_ALLOC);
4284
4285 /* The CARD is pretty cool since it converts the ethernet packet
4286 * into 802.11. Also note that we don't release the FID since we
4287 * will be using the same one over and over again. */
4288 /* We only have to setup the control once since we are not
4289 * releasing the fid. */
4290 if (raw)
4291 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4292 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4293 else
4294 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4295 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4296 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4297 txFid = ERROR;
4298 else
4299 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4300
4301done:
4302 up(&ai->sem);
4303
4304 return txFid;
4305}
4306
4307/* In general BAP1 is dedicated to transmiting packets. However,
4308 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4309 Make sure the BAP1 spinlock is held when this is called. */
4310static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4311{
593c2b9c 4312 __le16 payloadLen;
1da177e4
LT
4313 Cmd cmd;
4314 Resp rsp;
4315 int miclen = 0;
4316 u16 txFid = len;
4317 MICBuffer pMic;
4318
4319 len >>= 16;
4320
4321 if (len <= ETH_ALEN * 2) {
934d8bf1 4322 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT
4323 return ERROR;
4324 }
4325 len -= ETH_ALEN * 2;
4326
1da177e4 4327 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4328 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT
4329 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4330 return ERROR;
4331 miclen = sizeof(pMic);
4332 }
1da177e4
LT
4333 // packet is destination[6], source[6], payload[len-12]
4334 // write the payload length and dst/src/payload
4335 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4336 /* The hardware addresses aren't counted as part of the payload, so
4337 * we have to subtract the 12 bytes for the addresses off */
4338 payloadLen = cpu_to_le16(len + miclen);
4339 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4340 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4341 if (miclen)
b8c06bc1
AV
4342 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4343 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT
4344 // issue the transmit command
4345 memset( &cmd, 0, sizeof( cmd ) );
4346 cmd.cmd = CMD_TRANSMIT;
4347 cmd.parm0 = txFid;
4348 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4349 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4350 return SUCCESS;
4351}
4352
4353static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4354{
593c2b9c 4355 __le16 fc, payloadLen;
1da177e4
LT
4356 Cmd cmd;
4357 Resp rsp;
4358 int hdrlen;
977b143c
AV
4359 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4360 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT
4361 u16 txFid = len;
4362 len >>= 16;
1da177e4 4363
0300b332
AV
4364 fc = *(__le16*)pPacket;
4365 hdrlen = header_len(fc);
1da177e4
LT
4366
4367 if (len < hdrlen) {
934d8bf1 4368 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT
4369 return ERROR;
4370 }
4371
4372 /* packet is 802.11 header + payload
4373 * write the payload length and dst/src/payload */
4374 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4375 /* The 802.11 header aren't counted as part of the payload, so
4376 * we have to subtract the header bytes off */
4377 payloadLen = cpu_to_le16(len-hdrlen);
4378 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4379 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV
4380 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4381 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4382
b8c06bc1 4383 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT
4384 // issue the transmit command
4385 memset( &cmd, 0, sizeof( cmd ) );
4386 cmd.cmd = CMD_TRANSMIT;
4387 cmd.parm0 = txFid;
4388 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4389 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4390 return SUCCESS;
4391}
4392
4393/*
4394 * This is the proc_fs routines. It is a bit messier than I would
4395 * like! Feel free to clean it up!
4396 */
4397
4398static ssize_t proc_read( struct file *file,
4399 char __user *buffer,
4400 size_t len,
4401 loff_t *offset);
4402
4403static ssize_t proc_write( struct file *file,
4404 const char __user *buffer,
4405 size_t len,
4406 loff_t *offset );
4407static int proc_close( struct inode *inode, struct file *file );
4408
4409static int proc_stats_open( struct inode *inode, struct file *file );
4410static int proc_statsdelta_open( struct inode *inode, struct file *file );
4411static int proc_status_open( struct inode *inode, struct file *file );
4412static int proc_SSID_open( struct inode *inode, struct file *file );
4413static int proc_APList_open( struct inode *inode, struct file *file );
4414static int proc_BSSList_open( struct inode *inode, struct file *file );
4415static int proc_config_open( struct inode *inode, struct file *file );
4416static int proc_wepkey_open( struct inode *inode, struct file *file );
4417
d54b1fdb 4418static const struct file_operations proc_statsdelta_ops = {
a95609cb 4419 .owner = THIS_MODULE,
1da177e4
LT
4420 .read = proc_read,
4421 .open = proc_statsdelta_open,
6038f373
AB
4422 .release = proc_close,
4423 .llseek = default_llseek,
1da177e4
LT
4424};
4425
d54b1fdb 4426static const struct file_operations proc_stats_ops = {
a95609cb 4427 .owner = THIS_MODULE,
1da177e4
LT
4428 .read = proc_read,
4429 .open = proc_stats_open,
6038f373
AB
4430 .release = proc_close,
4431 .llseek = default_llseek,
1da177e4
LT
4432};
4433
d54b1fdb 4434static const struct file_operations proc_status_ops = {
a95609cb 4435 .owner = THIS_MODULE,
1da177e4
LT
4436 .read = proc_read,
4437 .open = proc_status_open,
6038f373
AB
4438 .release = proc_close,
4439 .llseek = default_llseek,
1da177e4
LT
4440};
4441
d54b1fdb 4442static const struct file_operations proc_SSID_ops = {
a95609cb 4443 .owner = THIS_MODULE,
1da177e4
LT
4444 .read = proc_read,
4445 .write = proc_write,
4446 .open = proc_SSID_open,
6038f373
AB
4447 .release = proc_close,
4448 .llseek = default_llseek,
1da177e4
LT
4449};
4450
d54b1fdb 4451static const struct file_operations proc_BSSList_ops = {
a95609cb 4452 .owner = THIS_MODULE,
1da177e4
LT
4453 .read = proc_read,
4454 .write = proc_write,
4455 .open = proc_BSSList_open,
6038f373
AB
4456 .release = proc_close,
4457 .llseek = default_llseek,
1da177e4
LT
4458};
4459
d54b1fdb 4460static const struct file_operations proc_APList_ops = {
a95609cb 4461 .owner = THIS_MODULE,
1da177e4
LT
4462 .read = proc_read,
4463 .write = proc_write,
4464 .open = proc_APList_open,
6038f373
AB
4465 .release = proc_close,
4466 .llseek = default_llseek,
1da177e4
LT
4467};
4468
d54b1fdb 4469static const struct file_operations proc_config_ops = {
a95609cb 4470 .owner = THIS_MODULE,
1da177e4
LT
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_config_open,
6038f373
AB
4474 .release = proc_close,
4475 .llseek = default_llseek,
1da177e4
LT
4476};
4477
d54b1fdb 4478static const struct file_operations proc_wepkey_ops = {
a95609cb 4479 .owner = THIS_MODULE,
1da177e4
LT
4480 .read = proc_read,
4481 .write = proc_write,
4482 .open = proc_wepkey_open,
6038f373
AB
4483 .release = proc_close,
4484 .llseek = default_llseek,
1da177e4
LT
4485};
4486
4487static struct proc_dir_entry *airo_entry;
4488
4489struct proc_data {
4490 int release_buffer;
4491 int readlen;
4492 char *rbuffer;
4493 int writelen;
4494 int maxwritelen;
4495 char *wbuffer;
4496 void (*on_close) (struct inode *, struct file *);
4497};
4498
1da177e4
LT
4499static int setup_proc_entry( struct net_device *dev,
4500 struct airo_info *apriv ) {
4501 struct proc_dir_entry *entry;
4502 /* First setup the device directory */
4503 strcpy(apriv->proc_name,dev->name);
011159a0
AD
4504 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4505 airo_entry);
431aca5a
FM
4506 if (!apriv->proc_entry)
4507 goto fail;
4508 apriv->proc_entry->uid = proc_uid;
4509 apriv->proc_entry->gid = proc_gid;
1da177e4
LT
4510
4511 /* Setup the StatsDelta */
011159a0 4512 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
a95609cb 4513 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM
4514 if (!entry)
4515 goto fail_stats_delta;
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
1da177e4
LT
4518
4519 /* Setup the Stats */
011159a0 4520 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
a95609cb 4521 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM
4522 if (!entry)
4523 goto fail_stats;
4524 entry->uid = proc_uid;
4525 entry->gid = proc_gid;
1da177e4
LT
4526
4527 /* Setup the Status */
011159a0 4528 entry = proc_create_data("Status", S_IRUGO & proc_perm,
a95609cb 4529 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM
4530 if (!entry)
4531 goto fail_status;
4532 entry->uid = proc_uid;
4533 entry->gid = proc_gid;
1da177e4
LT
4534
4535 /* Setup the Config */
011159a0 4536 entry = proc_create_data("Config", proc_perm,
a95609cb 4537 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM
4538 if (!entry)
4539 goto fail_config;
4540 entry->uid = proc_uid;
4541 entry->gid = proc_gid;
1da177e4
LT
4542
4543 /* Setup the SSID */
011159a0 4544 entry = proc_create_data("SSID", proc_perm,
a95609cb 4545 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM
4546 if (!entry)
4547 goto fail_ssid;
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
1da177e4
LT
4550
4551 /* Setup the APList */
011159a0 4552 entry = proc_create_data("APList", proc_perm,
a95609cb 4553 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM
4554 if (!entry)
4555 goto fail_aplist;
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
1da177e4
LT
4558
4559 /* Setup the BSSList */
011159a0 4560 entry = proc_create_data("BSSList", proc_perm,
a95609cb 4561 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM
4562 if (!entry)
4563 goto fail_bsslist;
1da177e4
LT
4564 entry->uid = proc_uid;
4565 entry->gid = proc_gid;
1da177e4
LT
4566
4567 /* Setup the WepKey */
011159a0 4568 entry = proc_create_data("WepKey", proc_perm,
a95609cb 4569 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM
4570 if (!entry)
4571 goto fail_wepkey;
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
1da177e4
LT
4574
4575 return 0;
431aca5a
FM
4576
4577fail_wepkey:
4578 remove_proc_entry("BSSList", apriv->proc_entry);
4579fail_bsslist:
4580 remove_proc_entry("APList", apriv->proc_entry);
4581fail_aplist:
4582 remove_proc_entry("SSID", apriv->proc_entry);
4583fail_ssid:
4584 remove_proc_entry("Config", apriv->proc_entry);
4585fail_config:
4586 remove_proc_entry("Status", apriv->proc_entry);
4587fail_status:
4588 remove_proc_entry("Stats", apriv->proc_entry);
4589fail_stats:
4590 remove_proc_entry("StatsDelta", apriv->proc_entry);
4591fail_stats_delta:
4592 remove_proc_entry(apriv->proc_name, airo_entry);
4593fail:
4594 return -ENOMEM;
1da177e4
LT
4595}
4596
4597static int takedown_proc_entry( struct net_device *dev,
4598 struct airo_info *apriv ) {
4599 if ( !apriv->proc_entry->namelen ) return 0;
4600 remove_proc_entry("Stats",apriv->proc_entry);
4601 remove_proc_entry("StatsDelta",apriv->proc_entry);
4602 remove_proc_entry("Status",apriv->proc_entry);
4603 remove_proc_entry("Config",apriv->proc_entry);
4604 remove_proc_entry("SSID",apriv->proc_entry);
4605 remove_proc_entry("APList",apriv->proc_entry);
4606 remove_proc_entry("BSSList",apriv->proc_entry);
4607 remove_proc_entry("WepKey",apriv->proc_entry);
4608 remove_proc_entry(apriv->proc_name,airo_entry);
4609 return 0;
4610}
4611
4612/*
4613 * What we want from the proc_fs is to be able to efficiently read
4614 * and write the configuration. To do this, we want to read the
4615 * configuration when the file is opened and write it when the file is
4616 * closed. So basically we allocate a read buffer at open and fill it
4617 * with data, and allocate a write buffer and read it at close.
4618 */
4619
4620/*
4621 * The read routine is generic, it relies on the preallocated rbuffer
4622 * to supply the data.
4623 */
4624static ssize_t proc_read( struct file *file,
4625 char __user *buffer,
4626 size_t len,
4627 loff_t *offset )
4628{
cc0d9ff2 4629 struct proc_data *priv = file->private_data;
1da177e4
LT
4630
4631 if (!priv->rbuffer)
4632 return -EINVAL;
4633
cc0d9ff2
AM
4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4635 priv->readlen);
1da177e4
LT
4636}
4637
4638/*
4639 * The write routine is generic, it fills in a preallocated rbuffer
4640 * to supply the data.
4641 */
4642static ssize_t proc_write( struct file *file,
4643 const char __user *buffer,
4644 size_t len,
4645 loff_t *offset )
4646{
ad9082ad 4647 ssize_t ret;
57674308 4648 struct proc_data *priv = file->private_data;
1da177e4
LT
4649
4650 if (!priv->wbuffer)
4651 return -EINVAL;
4652
ad9082ad
AM
4653 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4654 buffer, len);
4655 if (ret > 0)
4656 priv->writelen = max_t(int, priv->writelen, *offset);
4657
4658 return ret;
1da177e4
LT
4659}
4660
329e2c00
AV
4661static int proc_status_open(struct inode *inode, struct file *file)
4662{
1da177e4
LT
4663 struct proc_data *data;
4664 struct proc_dir_entry *dp = PDE(inode);
4665 struct net_device *dev = dp->data;
faf3994a 4666 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT
4667 CapabilityRid cap_rid;
4668 StatusRid status_rid;
329e2c00 4669 u16 mode;
1da177e4
LT
4670 int i;
4671
b69a3aa8 4672 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4673 return -ENOMEM;
57674308 4674 data = file->private_data;
1da177e4
LT
4675 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4676 kfree (file->private_data);
4677 return -ENOMEM;
4678 }
4679
4680 readStatusRid(apriv, &status_rid, 1);
4681 readCapabilityRid(apriv, &cap_rid, 1);
4682
329e2c00
AV
4683 mode = le16_to_cpu(status_rid.mode);
4684
1da177e4 4685 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV
4686 mode & 1 ? "CFG ": "",
4687 mode & 2 ? "ACT ": "",
4688 mode & 0x10 ? "SYN ": "",
4689 mode & 0x20 ? "LNK ": "",
4690 mode & 0x40 ? "LEAP ": "",
4691 mode & 0x80 ? "PRIV ": "",
4692 mode & 0x100 ? "KEY ": "",
4693 mode & 0x200 ? "WEP ": "",
4694 mode & 0x8000 ? "ERR ": "");
1da177e4
LT
4695 sprintf( data->rbuffer+i, "Mode: %x\n"
4696 "Signal Strength: %d\n"
4697 "Signal Quality: %d\n"
4698 "SSID: %-.*s\n"
4699 "AP: %-.16s\n"
4700 "Freq: %d\n"
4701 "BitRate: %dmbs\n"
4702 "Driver Version: %s\n"
4703 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4704 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4705 "Software Version: %x\nSoftware Subversion: %x\n"
4706 "Boot block version: %x\n",
329e2c00
AV
4707 le16_to_cpu(status_rid.mode),
4708 le16_to_cpu(status_rid.normalizedSignalStrength),
4709 le16_to_cpu(status_rid.signalQuality),
4710 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT
4711 status_rid.SSID,
4712 status_rid.apName,
329e2c00
AV
4713 le16_to_cpu(status_rid.channel),
4714 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT
4715 version,
4716 cap_rid.prodName,
4717 cap_rid.manName,
4718 cap_rid.prodVer,
56d81bd3
AV
4719 le16_to_cpu(cap_rid.radioType),
4720 le16_to_cpu(cap_rid.country),
4721 le16_to_cpu(cap_rid.hardVer),
4722 le16_to_cpu(cap_rid.softVer),
4723 le16_to_cpu(cap_rid.softSubVer),
4724 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT
4725 data->readlen = strlen( data->rbuffer );
4726 return 0;
4727}
4728
4729static int proc_stats_rid_open(struct inode*, struct file*, u16);
4730static int proc_statsdelta_open( struct inode *inode,
4731 struct file *file ) {
4732 if (file->f_mode&FMODE_WRITE) {
4733 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4734 }
4735 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4736}
4737
4738static int proc_stats_open( struct inode *inode, struct file *file ) {
4739 return proc_stats_rid_open(inode, file, RID_STATS);
4740}
4741
4742static int proc_stats_rid_open( struct inode *inode,
4743 struct file *file,
a23ace5f
AV
4744 u16 rid )
4745{
1da177e4
LT
4746 struct proc_data *data;
4747 struct proc_dir_entry *dp = PDE(inode);
4748 struct net_device *dev = dp->data;
faf3994a 4749 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT
4750 StatsRid stats;
4751 int i, j;
a23ace5f 4752 __le32 *vals = stats.vals;
bc8263f1 4753 int len;
1da177e4 4754
b69a3aa8 4755 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4756 return -ENOMEM;
57674308 4757 data = file->private_data;
1da177e4
LT
4758 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4759 kfree (file->private_data);
4760 return -ENOMEM;
4761 }
4762
4763 readStatsRid(apriv, &stats, rid, 1);
bc8263f1 4764 len = le16_to_cpu(stats.len);
1da177e4
LT
4765
4766 j = 0;
a23ace5f 4767 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT
4768 if (!statsLabels[i]) continue;
4769 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1 4770 airo_print_warn(apriv->dev->name,
25985edc 4771 "Potentially disastrous buffer overflow averted!");
1da177e4
LT
4772 break;
4773 }
a23ace5f
AV
4774 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4775 le32_to_cpu(vals[i]));
1da177e4 4776 }
a23ace5f 4777 if (i*4 >= len) {
934d8bf1 4778 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT
4779 }
4780 data->readlen = j;
4781 return 0;
4782}
4783
4784static int get_dec_u16( char *buffer, int *start, int limit ) {
4785 u16 value;
4786 int valid = 0;
30bd5726
RK
4787 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4788 buffer[*start] <= '9'; (*start)++) {
1da177e4
LT
4789 valid = 1;
4790 value *= 10;
4791 value += buffer[*start] - '0';
4792 }
4793 if ( !valid ) return -1;
4794 return value;
4795}
4796
4797static int airo_config_commit(struct net_device *dev,
4798 struct iw_request_info *info, void *zwrq,
4799 char *extra);
4800
3eb9b41f
AV
4801static inline int sniffing_mode(struct airo_info *ai)
4802{
1f351e38 4803 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
3eb9b41f
AV
4804 le16_to_cpu(RXMODE_RFMON);
4805}
4806
4807static void proc_config_on_close(struct inode *inode, struct file *file)
4808{
1da177e4
LT
4809 struct proc_data *data = file->private_data;
4810 struct proc_dir_entry *dp = PDE(inode);
4811 struct net_device *dev = dp->data;
faf3994a 4812 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
4813 char *line;
4814
4815 if ( !data->writelen ) return;
4816
4817 readConfigRid(ai, 1);
4818 set_bit (FLAG_COMMIT, &ai->flags);
4819
4820 line = data->wbuffer;
4821 while( line[0] ) {
4822/*** Mode processing */
4823 if ( !strncmp( line, "Mode: ", 6 ) ) {
4824 line += 6;
3eb9b41f
AV
4825 if (sniffing_mode(ai))
4826 set_bit (FLAG_RESET, &ai->flags);
4827 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4828 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4829 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT
4830 ai->config.scanMode = SCANMODE_ACTIVE;
4831 if ( line[0] == 'a' ) {
3eb9b41f 4832 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4833 } else {
3eb9b41f 4834 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT
4835 if ( line[0] == 'r' ) {
4836 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4837 ai->config.scanMode = SCANMODE_PASSIVE;
4838 set_bit (FLAG_802_11, &ai->flags);
4839 } else if ( line[0] == 'y' ) {
4840 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4841 ai->config.scanMode = SCANMODE_PASSIVE;
4842 set_bit (FLAG_802_11, &ai->flags);
4843 } else if ( line[0] == 'l' )
4844 ai->config.rmode |= RXMODE_LANMON;
4845 }
4846 set_bit (FLAG_COMMIT, &ai->flags);
4847 }
4848
4849/*** Radio status */
4850 else if (!strncmp(line,"Radio: ", 7)) {
4851 line += 7;
4852 if (!strncmp(line,"off",3)) {
4853 set_bit (FLAG_RADIO_OFF, &ai->flags);
4854 } else {
4855 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4856 }
4857 }
4858/*** NodeName processing */
4859 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4860 int j;
4861
4862 line += 10;
4863 memset( ai->config.nodeName, 0, 16 );
4864/* Do the name, assume a space between the mode and node name */
4865 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4866 ai->config.nodeName[j] = line[j];
4867 }
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 }
4870
4871/*** PowerMode processing */
4872 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4873 line += 11;
4874 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4875 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 } else if ( !strncmp( line, "PSP", 3 ) ) {
4878 ai->config.powerSaveMode = POWERSAVE_PSP;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4880 } else {
4881 ai->config.powerSaveMode = POWERSAVE_CAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 }
4884 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4885 int v, i = 0, k = 0; /* i is index into line,
4886 k is index to rates */
4887
4888 line += 11;
4889 while((v = get_dec_u16(line, &i, 3))!=-1) {
4890 ai->config.rates[k++] = (u8)v;
4891 line += i + 1;
4892 i = 0;
4893 }
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4896 int v, i = 0;
4897 line += 9;
4898 v = get_dec_u16(line, &i, i+3);
4899 if ( v != -1 ) {
3eb9b41f 4900 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 }
4903 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4904 int v, i = 0;
4905 line += 11;
4906 v = get_dec_u16(line, &i, i+3);
4907 if ( v != -1 ) {
3eb9b41f 4908 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 }
4911 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4912 line += 5;
4913 switch( line[0] ) {
4914 case 's':
3eb9b41f 4915 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT
4916 break;
4917 case 'e':
3eb9b41f 4918 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT
4919 break;
4920 default:
3eb9b41f 4921 ai->config.authType = AUTH_OPEN;
1da177e4
LT
4922 break;
4923 }
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4926 int v, i = 0;
4927
4928 line += 16;
4929 v = get_dec_u16(line, &i, 3);
4930 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4931 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4934 int v, i = 0;
4935
4936 line += 17;
4937 v = get_dec_u16(line, &i, 3);
4938 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4939 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4942 int v, i = 0;
4943
4944 line += 14;
4945 v = get_dec_u16(line, &i, 4);
15db2763 4946 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4947 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4950 int v, i = 0;
4951
4952 line += 16;
4953 v = get_dec_u16(line, &i, 5);
4954 v = (v<0) ? 0 : v;
3eb9b41f 4955 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4958 int v, i = 0;
4959
4960 line += 16;
4961 v = get_dec_u16(line, &i, 5);
4962 v = (v<0) ? 0 : v;
3eb9b41f 4963 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT
4964 set_bit (FLAG_COMMIT, &ai->flags);
4965 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4966 ai->config.txDiversity =
4967 (line[13]=='l') ? 1 :
4968 ((line[13]=='r')? 2: 3);
4969 set_bit (FLAG_COMMIT, &ai->flags);
4970 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4971 ai->config.rxDiversity =
4972 (line[13]=='l') ? 1 :
4973 ((line[13]=='r')? 2: 3);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4976 int v, i = 0;
4977
4978 line += 15;
4979 v = get_dec_u16(line, &i, 4);
15db2763 4980 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4981 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4982 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if (!strncmp(line, "Modulation: ", 12)) {
4985 line += 12;
4986 switch(*line) {
4987 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4990 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT
4991 }
4992 } else if (!strncmp(line, "Preamble: ", 10)) {
4993 line += 10;
4994 switch(*line) {
4995 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4998 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT
4999 }
5000 } else {
934d8bf1 5001 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT
5002 }
5003 while( line[0] && line[0] != '\n' ) line++;
5004 if ( line[0] ) line++;
5005 }
5006 airo_config_commit(dev, NULL, NULL, NULL);
5007}
5008
7a374d8e 5009static const char *get_rmode(__le16 mode)
3eb9b41f
AV
5010{
5011 switch(mode & RXMODE_MASK) {
1da177e4
LT
5012 case RXMODE_RFMON: return "rfmon";
5013 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5014 case RXMODE_LANMON: return "lanmon";
5015 }
5016 return "ESS";
5017}
5018
3eb9b41f
AV
5019static int proc_config_open(struct inode *inode, struct file *file)
5020{
1da177e4
LT
5021 struct proc_data *data;
5022 struct proc_dir_entry *dp = PDE(inode);
5023 struct net_device *dev = dp->data;
faf3994a 5024 struct airo_info *ai = dev->ml_priv;
1da177e4 5025 int i;
3eb9b41f 5026 __le16 mode;
1da177e4 5027
b69a3aa8 5028 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5029 return -ENOMEM;
57674308 5030 data = file->private_data;
1da177e4
LT
5031 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5032 kfree (file->private_data);
5033 return -ENOMEM;
5034 }
b69a3aa8 5035 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT
5036 kfree (data->rbuffer);
5037 kfree (file->private_data);
5038 return -ENOMEM;
5039 }
1da177e4
LT
5040 data->maxwritelen = 2048;
5041 data->on_close = proc_config_on_close;
5042
5043 readConfigRid(ai, 1);
5044
3eb9b41f 5045 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT
5046 i = sprintf( data->rbuffer,
5047 "Mode: %s\n"
5048 "Radio: %s\n"
5049 "NodeName: %-16s\n"
5050 "PowerMode: %s\n"
5051 "DataRates: %d %d %d %d %d %d %d %d\n"
5052 "Channel: %d\n"
5053 "XmitPower: %d\n",
3eb9b41f
AV
5054 mode == MODE_STA_IBSS ? "adhoc" :
5055 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5056 mode == MODE_AP ? "AP" :
5057 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT
5058 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5059 ai->config.nodeName,
3eb9b41f
AV
5060 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5061 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5062 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5063 "Error",
1da177e4
LT
5064 (int)ai->config.rates[0],
5065 (int)ai->config.rates[1],
5066 (int)ai->config.rates[2],
5067 (int)ai->config.rates[3],
5068 (int)ai->config.rates[4],
5069 (int)ai->config.rates[5],
5070 (int)ai->config.rates[6],
5071 (int)ai->config.rates[7],
3eb9b41f
AV
5072 le16_to_cpu(ai->config.channelSet),
5073 le16_to_cpu(ai->config.txPower)
1da177e4
LT
5074 );
5075 sprintf( data->rbuffer + i,
5076 "LongRetryLimit: %d\n"
5077 "ShortRetryLimit: %d\n"
5078 "RTSThreshold: %d\n"
5079 "TXMSDULifetime: %d\n"
5080 "RXMSDULifetime: %d\n"
5081 "TXDiversity: %s\n"
5082 "RXDiversity: %s\n"
5083 "FragThreshold: %d\n"
5084 "WEP: %s\n"
5085 "Modulation: %s\n"
5086 "Preamble: %s\n",
3eb9b41f
AV
5087 le16_to_cpu(ai->config.longRetryLimit),
5088 le16_to_cpu(ai->config.shortRetryLimit),
5089 le16_to_cpu(ai->config.rtsThres),
5090 le16_to_cpu(ai->config.txLifetime),
5091 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT
5092 ai->config.txDiversity == 1 ? "left" :
5093 ai->config.txDiversity == 2 ? "right" : "both",
5094 ai->config.rxDiversity == 1 ? "left" :
5095 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5096 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT
5097 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5098 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5099 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT
5100 ai->config.modulation == MOD_CCK ? "cck" :
5101 ai->config.modulation == MOD_MOK ? "mok" : "error",
5102 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5103 ai->config.preamble == PREAMBLE_LONG ? "long" :
5104 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5105 );
5106 data->readlen = strlen( data->rbuffer );
5107 return 0;
5108}
5109
0dd2212f
AV
5110static void proc_SSID_on_close(struct inode *inode, struct file *file)
5111{
57674308 5112 struct proc_data *data = file->private_data;
1da177e4
LT
5113 struct proc_dir_entry *dp = PDE(inode);
5114 struct net_device *dev = dp->data;
faf3994a 5115 struct airo_info *ai = dev->ml_priv;
1da177e4 5116 SsidRid SSID_rid;
1da177e4 5117 int i;
0dd2212f
AV
5118 char *p = data->wbuffer;
5119 char *end = p + data->writelen;
1da177e4 5120
0dd2212f
AV
5121 if (!data->writelen)
5122 return;
1da177e4 5123
0dd2212f 5124 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5125
0dd2212f
AV
5126 memset(&SSID_rid, 0, sizeof(SSID_rid));
5127
5128 for (i = 0; i < 3 && p < end; i++) {
5129 int j = 0;
5130 /* copy up to 32 characters from this line */
5131 while (*p != '\n' && j < 32)
5132 SSID_rid.ssids[i].ssid[j++] = *p++;
5133 if (j == 0)
5134 break;
5135 SSID_rid.ssids[i].len = cpu_to_le16(j);
5136 /* skip to the beginning of the next line */
5137 while (*p++ != '\n')
5138 ;
1da177e4
LT
5139 }
5140 if (i)
0dd2212f 5141 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT
5142 disable_MAC(ai, 1);
5143 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5144 enable_MAC(ai, 1);
1da177e4
LT
5145}
5146
1da177e4 5147static void proc_APList_on_close( struct inode *inode, struct file *file ) {
57674308 5148 struct proc_data *data = file->private_data;
1da177e4
LT
5149 struct proc_dir_entry *dp = PDE(inode);
5150 struct net_device *dev = dp->data;
faf3994a 5151 struct airo_info *ai = dev->ml_priv;
1da177e4 5152 APListRid APList_rid;
1da177e4
LT
5153 int i;
5154
5155 if ( !data->writelen ) return;
5156
5157 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5158 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT
5159
5160 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5161 int j;
5162 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5163 switch(j%3) {
5164 case 0:
5165 APList_rid.ap[i][j/3]=
26355387 5166 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
1da177e4
LT
5167 break;
5168 case 1:
5169 APList_rid.ap[i][j/3]|=
26355387 5170 hex_to_bin(data->wbuffer[j+i*6*3]);
1da177e4
LT
5171 break;
5172 }
5173 }
5174 }
5175 disable_MAC(ai, 1);
5176 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5177 enable_MAC(ai, 1);
1da177e4
LT
5178}
5179
5180/* This function wraps PC4500_writerid with a MAC disable */
5181static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5182 int len, int dummy ) {
5183 int rc;
1da177e4
LT
5184
5185 disable_MAC(ai, 1);
5186 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5187 enable_MAC(ai, 1);
1da177e4
LT
5188 return rc;
5189}
5190
c0380693
DW
5191/* Returns the WEP key at the specified index, or -1 if that key does
5192 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5193 */
c0380693
DW
5194static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5195{
1da177e4
LT
5196 WepKeyRid wkr;
5197 int rc;
4293ea33 5198 __le16 lastindex;
1da177e4
LT
5199
5200 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW
5201 if (rc != SUCCESS)
5202 return -1;
5203 do {
1da177e4 5204 lastindex = wkr.kindex;
c0380693
DW
5205 if (le16_to_cpu(wkr.kindex) == index) {
5206 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5207 memcpy(buf, wkr.key, klen);
5208 return klen;
1da177e4 5209 }
c0380693
DW
5210 rc = readWepKeyRid(ai, &wkr, 0, 1);
5211 if (rc != SUCCESS)
5212 return -1;
4293ea33 5213 } while (lastindex != wkr.kindex);
1da177e4
LT
5214 return -1;
5215}
5216
c0380693
DW
5217static int get_wep_tx_idx(struct airo_info *ai)
5218{
5219 WepKeyRid wkr;
5220 int rc;
5221 __le16 lastindex;
5222
5223 rc = readWepKeyRid(ai, &wkr, 1, 1);
5224 if (rc != SUCCESS)
5225 return -1;
5226 do {
5227 lastindex = wkr.kindex;
5228 if (wkr.kindex == cpu_to_le16(0xffff))
5229 return wkr.mac[0];
5230 rc = readWepKeyRid(ai, &wkr, 0, 1);
5231 if (rc != SUCCESS)
5232 return -1;
5233 } while (lastindex != wkr.kindex);
5234 return -1;
5235}
5236
5237static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5238 u16 keylen, int perm, int lock)
4293ea33 5239{
1da177e4
LT
5240 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5241 WepKeyRid wkr;
c0380693 5242 int rc;
1da177e4 5243
6510b891
SG
5244 if (WARN_ON(keylen == 0))
5245 return -1;
1da177e4 5246
c0380693
DW
5247 memset(&wkr, 0, sizeof(wkr));
5248 wkr.len = cpu_to_le16(sizeof(wkr));
5249 wkr.kindex = cpu_to_le16(index);
5250 wkr.klen = cpu_to_le16(keylen);
5251 memcpy(wkr.key, key, keylen);
5252 memcpy(wkr.mac, macaddr, ETH_ALEN);
5253
f89b2321 5254 if (perm) disable_MAC(ai, lock);
c0380693 5255 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5256 if (perm) enable_MAC(ai, lock);
c0380693
DW
5257 return rc;
5258}
5259
5260static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5261{
5262 WepKeyRid wkr;
5263 int rc;
5264
5265 memset(&wkr, 0, sizeof(wkr));
5266 wkr.len = cpu_to_le16(sizeof(wkr));
5267 wkr.kindex = cpu_to_le16(0xffff);
5268 wkr.mac[0] = (char)index;
5269
5270 if (perm) {
5271 ai->defindex = (char)index;
5272 disable_MAC(ai, lock);
5273 }
5274
5275 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5276
5277 if (perm)
5278 enable_MAC(ai, lock);
5279 return rc;
1da177e4
LT
5280}
5281
5282static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5283 struct proc_data *data;
5284 struct proc_dir_entry *dp = PDE(inode);
5285 struct net_device *dev = dp->data;
faf3994a 5286 struct airo_info *ai = dev->ml_priv;
c0380693 5287 int i, rc;
1da177e4
LT
5288 char key[16];
5289 u16 index = 0;
5290 int j = 0;
5291
5292 memset(key, 0, sizeof(key));
5293
57674308 5294 data = file->private_data;
1da177e4
LT
5295 if ( !data->writelen ) return;
5296
5297 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5298 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5299 index = data->wbuffer[0] - '0';
5300 if (data->wbuffer[1] == '\n') {
c0380693
DW
5301 rc = set_wep_tx_idx(ai, index, 1, 1);
5302 if (rc < 0) {
5303 airo_print_err(ai->dev->name, "failed to set "
5304 "WEP transmit index to %d: %d.",
5305 index, rc);
5306 }
1da177e4
LT
5307 return;
5308 }
5309 j = 2;
5310 } else {
934d8bf1 5311 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT
5312 return;
5313 }
5314
5315 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5316 switch(i%3) {
5317 case 0:
26355387 5318 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
1da177e4
LT
5319 break;
5320 case 1:
26355387 5321 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
1da177e4
LT
5322 break;
5323 }
5324 }
c0380693
DW
5325
5326 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5327 if (rc < 0) {
5328 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5329 "%d: %d.", index, rc);
5330 }
1da177e4
LT
5331}
5332
4293ea33
AV
5333static int proc_wepkey_open( struct inode *inode, struct file *file )
5334{
1da177e4
LT
5335 struct proc_data *data;
5336 struct proc_dir_entry *dp = PDE(inode);
5337 struct net_device *dev = dp->data;
faf3994a 5338 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5339 char *ptr;
5340 WepKeyRid wkr;
4293ea33 5341 __le16 lastindex;
1da177e4
LT
5342 int j=0;
5343 int rc;
5344
b69a3aa8 5345 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5346 return -ENOMEM;
1da177e4 5347 memset(&wkr, 0, sizeof(wkr));
57674308 5348 data = file->private_data;
b69a3aa8 5349 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT
5350 kfree (file->private_data);
5351 return -ENOMEM;
5352 }
1da177e4
LT
5353 data->writelen = 0;
5354 data->maxwritelen = 80;
b69a3aa8 5355 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT
5356 kfree (data->rbuffer);
5357 kfree (file->private_data);
5358 return -ENOMEM;
5359 }
1da177e4
LT
5360 data->on_close = proc_wepkey_on_close;
5361
5362 ptr = data->rbuffer;
5363 strcpy(ptr, "No wep keys\n");
5364 rc = readWepKeyRid(ai, &wkr, 1, 1);
5365 if (rc == SUCCESS) do {
5366 lastindex = wkr.kindex;
4293ea33 5367 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT
5368 j += sprintf(ptr+j, "Tx key = %d\n",
5369 (int)wkr.mac[0]);
5370 } else {
5371 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV
5372 le16_to_cpu(wkr.kindex),
5373 le16_to_cpu(wkr.klen));
1da177e4
LT
5374 }
5375 readWepKeyRid(ai, &wkr, 0, 1);
5376 } while((lastindex != wkr.kindex) && (j < 180-30));
5377
5378 data->readlen = strlen( data->rbuffer );
5379 return 0;
5380}
5381
0dd2212f
AV
5382static int proc_SSID_open(struct inode *inode, struct file *file)
5383{
1da177e4
LT
5384 struct proc_data *data;
5385 struct proc_dir_entry *dp = PDE(inode);
5386 struct net_device *dev = dp->data;
faf3994a 5387 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5388 int i;
5389 char *ptr;
5390 SsidRid SSID_rid;
5391
b69a3aa8 5392 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5393 return -ENOMEM;
57674308 5394 data = file->private_data;
1da177e4
LT
5395 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5396 kfree (file->private_data);
5397 return -ENOMEM;
5398 }
5399 data->writelen = 0;
5400 data->maxwritelen = 33*3;
0dd2212f
AV
5401 /* allocate maxwritelen + 1; we'll want a sentinel */
5402 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT
5403 kfree (data->rbuffer);
5404 kfree (file->private_data);
5405 return -ENOMEM;
5406 }
1da177e4
LT
5407 data->on_close = proc_SSID_on_close;
5408
5409 readSsidRid(ai, &SSID_rid);
5410 ptr = data->rbuffer;
0dd2212f 5411 for (i = 0; i < 3; i++) {
1da177e4 5412 int j;
0dd2212f
AV
5413 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5414 if (!len)
5415 break;
5416 if (len > 32)
5417 len = 32;
5418 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5419 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT
5420 *ptr++ = '\n';
5421 }
5422 *ptr = '\0';
5423 data->readlen = strlen( data->rbuffer );
5424 return 0;
5425}
5426
5427static int proc_APList_open( struct inode *inode, struct file *file ) {
5428 struct proc_data *data;
5429 struct proc_dir_entry *dp = PDE(inode);
5430 struct net_device *dev = dp->data;
faf3994a 5431 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5432 int i;
5433 char *ptr;
5434 APListRid APList_rid;
5435
b69a3aa8 5436 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5437 return -ENOMEM;
57674308 5438 data = file->private_data;
1da177e4
LT
5439 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5440 kfree (file->private_data);
5441 return -ENOMEM;
5442 }
5443 data->writelen = 0;
5444 data->maxwritelen = 4*6*3;
b69a3aa8 5445 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT
5446 kfree (data->rbuffer);
5447 kfree (file->private_data);
5448 return -ENOMEM;
5449 }
1da177e4
LT
5450 data->on_close = proc_APList_on_close;
5451
5452 readAPListRid(ai, &APList_rid);
5453 ptr = data->rbuffer;
5454 for( i = 0; i < 4; i++ ) {
5455// We end when we find a zero MAC
5456 if ( !*(int*)APList_rid.ap[i] &&
5457 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5458 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT
5459 }
5460 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5461
5462 *ptr = '\0';
5463 data->readlen = strlen( data->rbuffer );
5464 return 0;
5465}
5466
5467static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5468 struct proc_data *data;
5469 struct proc_dir_entry *dp = PDE(inode);
5470 struct net_device *dev = dp->data;
faf3994a 5471 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5472 char *ptr;
5473 BSSListRid BSSList_rid;
5474 int rc;
5475 /* If doLoseSync is not 1, we won't do a Lose Sync */
5476 int doLoseSync = -1;
5477
b69a3aa8 5478 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5479 return -ENOMEM;
57674308 5480 data = file->private_data;
1da177e4
LT
5481 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5482 kfree (file->private_data);
5483 return -ENOMEM;
5484 }
5485 data->writelen = 0;
5486 data->maxwritelen = 0;
5487 data->wbuffer = NULL;
5488 data->on_close = NULL;
5489
5490 if (file->f_mode & FMODE_WRITE) {
5491 if (!(file->f_mode & FMODE_READ)) {
5492 Cmd cmd;
5493 Resp rsp;
5494
5495 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5496 memset(&cmd, 0, sizeof(cmd));
5497 cmd.cmd=CMD_LISTBSS;
5498 if (down_interruptible(&ai->sem))
5499 return -ERESTARTSYS;
5500 issuecommand(ai, &cmd, &rsp);
5501 up(&ai->sem);
5502 data->readlen = 0;
5503 return 0;
5504 }
5505 doLoseSync = 1;
5506 }
5507 ptr = data->rbuffer;
5508 /* There is a race condition here if there are concurrent opens.
5509 Since it is a rare condition, we'll just live with it, otherwise
5510 we have to add a spin lock... */
5511 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5512 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB
5513 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5514 BSSList_rid.bssid,
1da177e4
LT
5515 (int)BSSList_rid.ssidLen,
5516 BSSList_rid.ssid,
17e70491 5517 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5518 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5519 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT
5520 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5521 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5522 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5523 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5524 rc = readBSSListRid(ai, 0, &BSSList_rid);
5525 }
5526 *ptr = '\0';
5527 data->readlen = strlen( data->rbuffer );
5528 return 0;
5529}
5530
5531static int proc_close( struct inode *inode, struct file *file )
5532{
b4558ea9
JJ
5533 struct proc_data *data = file->private_data;
5534
5535 if (data->on_close != NULL)
5536 data->on_close(inode, file);
5537 kfree(data->rbuffer);
5538 kfree(data->wbuffer);
5539 kfree(data);
1da177e4
LT
5540 return 0;
5541}
5542
1da177e4
LT
5543/* Since the card doesn't automatically switch to the right WEP mode,
5544 we will make it do it. If the card isn't associated, every secs we
5545 will switch WEP modes to see if that will help. If the card is
5546 associated we will check every minute to see if anything has
5547 changed. */
5548static void timer_func( struct net_device *dev ) {
faf3994a 5549 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT
5550
5551/* We don't have a link so try changing the authtype */
5552 readConfigRid(apriv, 0);
5553 disable_MAC(apriv, 0);
5554 switch(apriv->config.authType) {
5555 case AUTH_ENCRYPT:
5556/* So drop to OPEN */
5557 apriv->config.authType = AUTH_OPEN;
5558 break;
5559 case AUTH_SHAREDKEY:
5560 if (apriv->keyindex < auto_wep) {
c0380693 5561 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT
5562 apriv->config.authType = AUTH_SHAREDKEY;
5563 apriv->keyindex++;
5564 } else {
5565 /* Drop to ENCRYPT */
5566 apriv->keyindex = 0;
c0380693 5567 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT
5568 apriv->config.authType = AUTH_ENCRYPT;
5569 }
5570 break;
5571 default: /* We'll escalate to SHAREDKEY */
5572 apriv->config.authType = AUTH_SHAREDKEY;
5573 }
5574 set_bit (FLAG_COMMIT, &apriv->flags);
5575 writeConfigRid(apriv, 0);
175ec1a1 5576 enable_MAC(apriv, 0);
1da177e4
LT
5577 up(&apriv->sem);
5578
5579/* Schedule check to see if the change worked */
3c304956 5580 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT
5581 apriv->expires = RUN_AT(HZ*3);
5582}
5583
1da177e4
LT
5584#ifdef CONFIG_PCI
5585static int __devinit airo_pci_probe(struct pci_dev *pdev,
5586 const struct pci_device_id *pent)
5587{
5588 struct net_device *dev;
5589
5590 if (pci_enable_device(pdev))
5591 return -ENODEV;
5592 pci_set_master(pdev);
5593
5594 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5595 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5596 else
5597 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS
5598 if (!dev) {
5599 pci_disable_device(pdev);
1da177e4 5600 return -ENODEV;
777ec5e9 5601 }
1da177e4
LT
5602
5603 pci_set_drvdata(pdev, dev);
5604 return 0;
5605}
5606
5607static void __devexit airo_pci_remove(struct pci_dev *pdev)
5608{
af5b5c9a
MS
5609 struct net_device *dev = pci_get_drvdata(pdev);
5610
5611 airo_print_info(dev->name, "Unregistering...");
5612 stop_airo_card(dev, 1);
777ec5e9
MS
5613 pci_disable_device(pdev);
5614 pci_set_drvdata(pdev, NULL);
1da177e4
LT
5615}
5616
05adc3b7 5617static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT
5618{
5619 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5620 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5621 Cmd cmd;
5622 Resp rsp;
5623
e292c737
PM
5624 if (!ai->APList)
5625 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5626 if (!ai->APList)
1da177e4 5627 return -ENOMEM;
e292c737
PM
5628 if (!ai->SSID)
5629 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5630 if (!ai->SSID)
1da177e4
LT
5631 return -ENOMEM;
5632 readAPListRid(ai, ai->APList);
5633 readSsidRid(ai, ai->SSID);
5634 memset(&cmd, 0, sizeof(cmd));
5635 /* the lock will be released at the end of the resume callback */
5636 if (down_interruptible(&ai->sem))
5637 return -EAGAIN;
5638 disable_MAC(ai, 0);
5639 netif_device_detach(dev);
5640 ai->power = state;
e292c737 5641 cmd.cmd = HOSTSLEEP;
1da177e4
LT
5642 issuecommand(ai, &cmd, &rsp);
5643
1cc68ae0 5644 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5645 pci_save_state(pdev);
40b93ad6
MC
5646 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5647 return 0;
1da177e4
LT
5648}
5649
5650static int airo_pci_resume(struct pci_dev *pdev)
5651{
5652 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5653 struct airo_info *ai = dev->ml_priv;
53232803 5654 pci_power_t prev_state = pdev->current_state;
1da177e4 5655
53232803 5656 pci_set_power_state(pdev, PCI_D0);
1da177e4 5657 pci_restore_state(pdev);
53232803 5658 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5659
53232803 5660 if (prev_state != PCI_D1) {
1da177e4
LT
5661 reset_card(dev, 0);
5662 mpi_init_descriptors(ai);
5663 setup_card(ai, dev->dev_addr, 0);
5664 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5665 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5666 } else {
5667 OUT4500(ai, EVACK, EV_AWAKEN);
5668 OUT4500(ai, EVACK, EV_AWAKEN);
5669 msleep(100);
5670 }
5671
e292c737 5672 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT
5673 disable_MAC(ai, 0);
5674 msleep(200);
5675 if (ai->SSID) {
5676 writeSsidRid(ai, ai->SSID, 0);
5677 kfree(ai->SSID);
5678 ai->SSID = NULL;
5679 }
5680 if (ai->APList) {
5681 writeAPListRid(ai, ai->APList, 0);
5682 kfree(ai->APList);
5683 ai->APList = NULL;
5684 }
5685 writeConfigRid(ai, 0);
175ec1a1 5686 enable_MAC(ai, 0);
1cc68ae0 5687 ai->power = PMSG_ON;
1da177e4
LT
5688 netif_device_attach(dev);
5689 netif_wake_queue(dev);
5690 enable_interrupts(ai);
5691 up(&ai->sem);
5692 return 0;
5693}
5694#endif
5695
5696static int __init airo_init_module( void )
5697{
de897881 5698 int i;
1da177e4 5699
011159a0 5700 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
de897881
JG
5701
5702 if (airo_entry) {
5703 airo_entry->uid = proc_uid;
5704 airo_entry->gid = proc_gid;
5705 }
1da177e4 5706
e292c737 5707 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW
5708 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5709 "io=0x%x", irq[i], io[i] );
1da177e4 5710 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5711 /* do nothing */ ;
1da177e4
LT
5712 }
5713
5714#ifdef CONFIG_PCI
934d8bf1 5715 airo_print_info("", "Probing for PCI adapters");
de897881 5716 i = pci_register_driver(&airo_driver);
934d8bf1 5717 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG
5718
5719 if (i) {
928b4d8c 5720 remove_proc_entry("driver/aironet", NULL);
de897881
JG
5721 return i;
5722 }
1da177e4
LT
5723#endif
5724
5725 /* Always exit with success, as we are a library module
5726 * as well as a driver module
5727 */
5728 return 0;
5729}
5730
5731static void __exit airo_cleanup_module( void )
5732{
af5b5c9a
MS
5733 struct airo_info *ai;
5734 while(!list_empty(&airo_devices)) {
5735 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5736 airo_print_info(ai->dev->name, "Unregistering...");
5737 stop_airo_card(ai->dev, 1);
1da177e4
LT
5738 }
5739#ifdef CONFIG_PCI
5740 pci_unregister_driver(&airo_driver);
5741#endif
928b4d8c 5742 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT
5743}
5744
1da177e4
LT
5745/*
5746 * Initial Wireless Extension code for Aironet driver by :
5747 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5748 * Conversion to new driver API by :
5749 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5750 * Javier also did a good amount of work here, adding some new extensions
5751 * and fixing my code. Let's just say that without him this code just
5752 * would not work at all... - Jean II
5753 */
5754
41480af2
DW
5755static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5756{
e292c737 5757 if (!rssi_rid)
41480af2
DW
5758 return 0;
5759
5760 return (0x100 - rssi_rid[rssi].rssidBm);
5761}
5762
5763static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5764{
5765 int i;
5766
e292c737 5767 if (!rssi_rid)
41480af2
DW
5768 return 0;
5769
e292c737 5770 for (i = 0; i < 256; i++)
41480af2
DW
5771 if (rssi_rid[i].rssidBm == dbm)
5772 return rssi_rid[i].rssipct;
5773
5774 return 0;
5775}
5776
5777
1da177e4
LT
5778static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5779{
5780 int quality = 0;
329e2c00 5781 u16 sq;
1da177e4 5782
329e2c00 5783 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV
5784 return 0;
5785
5786 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5787 return 0;
5788
329e2c00 5789 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5790 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5791 if (sq > 0x20)
56d81bd3 5792 quality = 0;
1da177e4 5793 else
329e2c00 5794 quality = 0x20 - sq;
56d81bd3 5795 else
329e2c00 5796 if (sq > 0xb0)
56d81bd3 5797 quality = 0;
329e2c00 5798 else if (sq < 0x10)
56d81bd3
AV
5799 quality = 0xa0;
5800 else
329e2c00 5801 quality = 0xb0 - sq;
1da177e4
LT
5802 return quality;
5803}
5804
5805#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5806#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5807
5808/*------------------------------------------------------------------*/
5809/*
5810 * Wireless Handler : get protocol name
5811 */
5812static int airo_get_name(struct net_device *dev,
5813 struct iw_request_info *info,
5814 char *cwrq,
5815 char *extra)
5816{
5817 strcpy(cwrq, "IEEE 802.11-DS");
5818 return 0;
5819}
5820
5821/*------------------------------------------------------------------*/
5822/*
5823 * Wireless Handler : set frequency
5824 */
5825static int airo_set_freq(struct net_device *dev,
5826 struct iw_request_info *info,
5827 struct iw_freq *fwrq,
5828 char *extra)
5829{
faf3994a 5830 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5831 int rc = -EINPROGRESS; /* Call commit handler */
5832
5833 /* If setting by frequency, convert to a channel */
9ee677c2 5834 if(fwrq->e == 1) {
1da177e4 5835 int f = fwrq->m / 100000;
9ee677c2 5836
1da177e4
LT
5837 /* Hack to fall through... */
5838 fwrq->e = 0;
9ee677c2 5839 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT
5840 }
5841 /* Setting by channel number */
5842 if((fwrq->m > 1000) || (fwrq->e > 0))
5843 rc = -EOPNOTSUPP;
5844 else {
5845 int channel = fwrq->m;
5846 /* We should do a better check than that,
5847 * based on the card capability !!! */
2610c733 5848 if((channel < 1) || (channel > 14)) {
934d8bf1
DW
5849 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5850 fwrq->m);
1da177e4
LT
5851 rc = -EINVAL;
5852 } else {
5853 readConfigRid(local, 1);
5854 /* Yes ! We can set it !!! */
3eb9b41f 5855 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT
5856 set_bit (FLAG_COMMIT, &local->flags);
5857 }
5858 }
5859 return rc;
5860}
5861
5862/*------------------------------------------------------------------*/
5863/*
5864 * Wireless Handler : get frequency
5865 */
5866static int airo_get_freq(struct net_device *dev,
5867 struct iw_request_info *info,
5868 struct iw_freq *fwrq,
5869 char *extra)
5870{
faf3994a 5871 struct airo_info *local = dev->ml_priv;
1da177e4 5872 StatusRid status_rid; /* Card status info */
2610c733 5873 int ch;
1da177e4
LT
5874
5875 readConfigRid(local, 1);
3eb9b41f
AV
5876 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5877 status_rid.channel = local->config.channelSet;
1da177e4
LT
5878 else
5879 readStatusRid(local, &status_rid, 1);
5880
329e2c00 5881 ch = le16_to_cpu(status_rid.channel);
2610c733 5882 if((ch > 0) && (ch < 15)) {
9ee677c2 5883 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5884 fwrq->e = 1;
2610c733
JA
5885 } else {
5886 fwrq->m = ch;
5887 fwrq->e = 0;
1da177e4 5888 }
1da177e4
LT
5889
5890 return 0;
5891}
5892
5893/*------------------------------------------------------------------*/
5894/*
5895 * Wireless Handler : set ESSID
5896 */
5897static int airo_set_essid(struct net_device *dev,
5898 struct iw_request_info *info,
5899 struct iw_point *dwrq,
5900 char *extra)
5901{
faf3994a 5902 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5903 SsidRid SSID_rid; /* SSIDs */
5904
5905 /* Reload the list of current SSID */
5906 readSsidRid(local, &SSID_rid);
5907
5908 /* Check if we asked for `any' */
3d0ccd02 5909 if (dwrq->flags == 0) {
1da177e4
LT
5910 /* Just send an empty SSID list */
5911 memset(&SSID_rid, 0, sizeof(SSID_rid));
5912 } else {
3d0ccd02 5913 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1da177e4
LT
5914
5915 /* Check the size of the string */
3d0ccd02 5916 if (dwrq->length > IW_ESSID_MAX_SIZE)
1da177e4 5917 return -E2BIG ;
3d0ccd02 5918
1da177e4 5919 /* Check if index is valid */
3d0ccd02 5920 if (index >= ARRAY_SIZE(SSID_rid.ssids))
1da177e4 5921 return -EINVAL;
1da177e4
LT
5922
5923 /* Set the SSID */
5924 memset(SSID_rid.ssids[index].ssid, 0,
5925 sizeof(SSID_rid.ssids[index].ssid));
5926 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5927 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5928 }
0dd2212f 5929 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT
5930 /* Write it to the card */
5931 disable_MAC(local, 1);
5932 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5933 enable_MAC(local, 1);
1da177e4
LT
5934
5935 return 0;
5936}
5937
5938/*------------------------------------------------------------------*/
5939/*
5940 * Wireless Handler : get ESSID
5941 */
5942static int airo_get_essid(struct net_device *dev,
5943 struct iw_request_info *info,
5944 struct iw_point *dwrq,
5945 char *extra)
5946{
faf3994a 5947 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5948 StatusRid status_rid; /* Card status info */
5949
5950 readStatusRid(local, &status_rid, 1);
5951
5952 /* Note : if dwrq->flags != 0, we should
5953 * get the relevant SSID from the SSID list... */
5954
5955 /* Get the current SSID */
329e2c00 5956 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT
5957 /* If none, we may want to get the one that was set */
5958
5959 /* Push it out ! */
329e2c00 5960 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT
5961 dwrq->flags = 1; /* active */
5962
5963 return 0;
5964}
5965
5966/*------------------------------------------------------------------*/
5967/*
5968 * Wireless Handler : set AP address
5969 */
5970static int airo_set_wap(struct net_device *dev,
5971 struct iw_request_info *info,
5972 struct sockaddr *awrq,
5973 char *extra)
5974{
faf3994a 5975 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5976 Cmd cmd;
5977 Resp rsp;
5978 APListRid APList_rid;
4be757dd
DW
5979 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5980 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT
5981
5982 if (awrq->sa_family != ARPHRD_ETHER)
5983 return -EINVAL;
4be757dd
DW
5984 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5985 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT
5986 memset(&cmd, 0, sizeof(cmd));
5987 cmd.cmd=CMD_LOSE_SYNC;
5988 if (down_interruptible(&local->sem))
5989 return -ERESTARTSYS;
5990 issuecommand(local, &cmd, &rsp);
5991 up(&local->sem);
5992 } else {
5993 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5994 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT
5995 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5996 disable_MAC(local, 1);
5997 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5998 enable_MAC(local, 1);
1da177e4
LT
5999 }
6000 return 0;
6001}
6002
6003/*------------------------------------------------------------------*/
6004/*
6005 * Wireless Handler : get AP address
6006 */
6007static int airo_get_wap(struct net_device *dev,
6008 struct iw_request_info *info,
6009 struct sockaddr *awrq,
6010 char *extra)
6011{
faf3994a 6012 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6013 StatusRid status_rid; /* Card status info */
6014
6015 readStatusRid(local, &status_rid, 1);
6016
6017 /* Tentative. This seems to work, wow, I'm lucky !!! */
6018 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6019 awrq->sa_family = ARPHRD_ETHER;
6020
6021 return 0;
6022}
6023
6024/*------------------------------------------------------------------*/
6025/*
6026 * Wireless Handler : set Nickname
6027 */
6028static int airo_set_nick(struct net_device *dev,
6029 struct iw_request_info *info,
6030 struct iw_point *dwrq,
6031 char *extra)
6032{
faf3994a 6033 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6034
6035 /* Check the size of the string */
7f8544cc 6036 if(dwrq->length > 16) {
1da177e4
LT
6037 return -E2BIG;
6038 }
6039 readConfigRid(local, 1);
6040 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6041 memcpy(local->config.nodeName, extra, dwrq->length);
6042 set_bit (FLAG_COMMIT, &local->flags);
6043
6044 return -EINPROGRESS; /* Call commit handler */
6045}
6046
6047/*------------------------------------------------------------------*/
6048/*
6049 * Wireless Handler : get Nickname
6050 */
6051static int airo_get_nick(struct net_device *dev,
6052 struct iw_request_info *info,
6053 struct iw_point *dwrq,
6054 char *extra)
6055{
faf3994a 6056 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6057
6058 readConfigRid(local, 1);
6059 strncpy(extra, local->config.nodeName, 16);
6060 extra[16] = '\0';
7f8544cc 6061 dwrq->length = strlen(extra);
1da177e4
LT
6062
6063 return 0;
6064}
6065
6066/*------------------------------------------------------------------*/
6067/*
6068 * Wireless Handler : set Bit-Rate
6069 */
6070static int airo_set_rate(struct net_device *dev,
6071 struct iw_request_info *info,
6072 struct iw_param *vwrq,
6073 char *extra)
6074{
faf3994a 6075 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6076 CapabilityRid cap_rid; /* Card capability info */
6077 u8 brate = 0;
6078 int i;
6079
6080 /* First : get a valid bit rate value */
6081 readCapabilityRid(local, &cap_rid, 1);
6082
6083 /* Which type of value ? */
6084 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6085 /* Setting by rate index */
6086 /* Find value in the magic rate table */
6087 brate = cap_rid.supportedRates[vwrq->value];
6088 } else {
6089 /* Setting by frequency value */
6090 u8 normvalue = (u8) (vwrq->value/500000);
6091
6092 /* Check if rate is valid */
6093 for(i = 0 ; i < 8 ; i++) {
6094 if(normvalue == cap_rid.supportedRates[i]) {
6095 brate = normvalue;
6096 break;
6097 }
6098 }
6099 }
6100 /* -1 designed the max rate (mostly auto mode) */
6101 if(vwrq->value == -1) {
6102 /* Get the highest available rate */
6103 for(i = 0 ; i < 8 ; i++) {
6104 if(cap_rid.supportedRates[i] == 0)
6105 break;
6106 }
6107 if(i != 0)
6108 brate = cap_rid.supportedRates[i - 1];
6109 }
6110 /* Check that it is valid */
6111 if(brate == 0) {
6112 return -EINVAL;
6113 }
6114
6115 readConfigRid(local, 1);
6116 /* Now, check if we want a fixed or auto value */
6117 if(vwrq->fixed == 0) {
6118 /* Fill all the rates up to this max rate */
6119 memset(local->config.rates, 0, 8);
6120 for(i = 0 ; i < 8 ; i++) {
6121 local->config.rates[i] = cap_rid.supportedRates[i];
6122 if(local->config.rates[i] == brate)
6123 break;
6124 }
6125 } else {
6126 /* Fixed mode */
6127 /* One rate, fixed */
6128 memset(local->config.rates, 0, 8);
6129 local->config.rates[0] = brate;
6130 }
6131 set_bit (FLAG_COMMIT, &local->flags);
6132
6133 return -EINPROGRESS; /* Call commit handler */
6134}
6135
6136/*------------------------------------------------------------------*/
6137/*
6138 * Wireless Handler : get Bit-Rate
6139 */
6140static int airo_get_rate(struct net_device *dev,
6141 struct iw_request_info *info,
6142 struct iw_param *vwrq,
6143 char *extra)
6144{
faf3994a 6145 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6146 StatusRid status_rid; /* Card status info */
6147
6148 readStatusRid(local, &status_rid, 1);
6149
329e2c00 6150 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT
6151 /* If more than one rate, set auto */
6152 readConfigRid(local, 1);
6153 vwrq->fixed = (local->config.rates[1] == 0);
6154
6155 return 0;
6156}
6157
6158/*------------------------------------------------------------------*/
6159/*
6160 * Wireless Handler : set RTS threshold
6161 */
6162static int airo_set_rts(struct net_device *dev,
6163 struct iw_request_info *info,
6164 struct iw_param *vwrq,
6165 char *extra)
6166{
faf3994a 6167 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6168 int rthr = vwrq->value;
6169
6170 if(vwrq->disabled)
15db2763
DW
6171 rthr = AIRO_DEF_MTU;
6172 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT
6173 return -EINVAL;
6174 }
6175 readConfigRid(local, 1);
3eb9b41f 6176 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT
6177 set_bit (FLAG_COMMIT, &local->flags);
6178
6179 return -EINPROGRESS; /* Call commit handler */
6180}
6181
6182/*------------------------------------------------------------------*/
6183/*
6184 * Wireless Handler : get RTS threshold
6185 */
6186static int airo_get_rts(struct net_device *dev,
6187 struct iw_request_info *info,
6188 struct iw_param *vwrq,
6189 char *extra)
6190{
faf3994a 6191 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6192
6193 readConfigRid(local, 1);
3eb9b41f 6194 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6195 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT
6196 vwrq->fixed = 1;
6197
6198 return 0;
6199}
6200
6201/*------------------------------------------------------------------*/
6202/*
6203 * Wireless Handler : set Fragmentation threshold
6204 */
6205static int airo_set_frag(struct net_device *dev,
6206 struct iw_request_info *info,
6207 struct iw_param *vwrq,
6208 char *extra)
6209{
faf3994a 6210 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6211 int fthr = vwrq->value;
6212
6213 if(vwrq->disabled)
15db2763
DW
6214 fthr = AIRO_DEF_MTU;
6215 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT
6216 return -EINVAL;
6217 }
6218 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6219 readConfigRid(local, 1);
3eb9b41f 6220 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT
6221 set_bit (FLAG_COMMIT, &local->flags);
6222
6223 return -EINPROGRESS; /* Call commit handler */
6224}
6225
6226/*------------------------------------------------------------------*/
6227/*
6228 * Wireless Handler : get Fragmentation threshold
6229 */
6230static int airo_get_frag(struct net_device *dev,
6231 struct iw_request_info *info,
6232 struct iw_param *vwrq,
6233 char *extra)
6234{
faf3994a 6235 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6236
6237 readConfigRid(local, 1);
3eb9b41f 6238 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6239 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT
6240 vwrq->fixed = 1;
6241
6242 return 0;
6243}
6244
6245/*------------------------------------------------------------------*/
6246/*
6247 * Wireless Handler : set Mode of Operation
6248 */
6249static int airo_set_mode(struct net_device *dev,
6250 struct iw_request_info *info,
6251 __u32 *uwrq,
6252 char *extra)
6253{
faf3994a 6254 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6255 int reset = 0;
6256
6257 readConfigRid(local, 1);
3eb9b41f 6258 if (sniffing_mode(local))
1da177e4
LT
6259 reset = 1;
6260
6261 switch(*uwrq) {
6262 case IW_MODE_ADHOC:
3eb9b41f 6263 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6264 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6265 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6266 local->config.scanMode = SCANMODE_ACTIVE;
6267 clear_bit (FLAG_802_11, &local->flags);
6268 break;
6269 case IW_MODE_INFRA:
3eb9b41f 6270 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6271 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6272 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6273 local->config.scanMode = SCANMODE_ACTIVE;
6274 clear_bit (FLAG_802_11, &local->flags);
6275 break;
6276 case IW_MODE_MASTER:
3eb9b41f 6277 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6278 local->config.opmode |= MODE_AP;
3eb9b41f 6279 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6280 local->config.scanMode = SCANMODE_ACTIVE;
6281 clear_bit (FLAG_802_11, &local->flags);
6282 break;
6283 case IW_MODE_REPEAT:
3eb9b41f 6284 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6285 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6286 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6287 local->config.scanMode = SCANMODE_ACTIVE;
6288 clear_bit (FLAG_802_11, &local->flags);
6289 break;
6290 case IW_MODE_MONITOR:
3eb9b41f 6291 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6292 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6293 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6294 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6295 local->config.scanMode = SCANMODE_PASSIVE;
6296 set_bit (FLAG_802_11, &local->flags);
6297 break;
6298 default:
6299 return -EINVAL;
6300 }
6301 if (reset)
6302 set_bit (FLAG_RESET, &local->flags);
6303 set_bit (FLAG_COMMIT, &local->flags);
6304
6305 return -EINPROGRESS; /* Call commit handler */
6306}
6307
6308/*------------------------------------------------------------------*/
6309/*
6310 * Wireless Handler : get Mode of Operation
6311 */
6312static int airo_get_mode(struct net_device *dev,
6313 struct iw_request_info *info,
6314 __u32 *uwrq,
6315 char *extra)
6316{
faf3994a 6317 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6318
6319 readConfigRid(local, 1);
6320 /* If not managed, assume it's ad-hoc */
3eb9b41f 6321 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT
6322 case MODE_STA_ESS:
6323 *uwrq = IW_MODE_INFRA;
6324 break;
6325 case MODE_AP:
6326 *uwrq = IW_MODE_MASTER;
6327 break;
6328 case MODE_AP_RPTR:
6329 *uwrq = IW_MODE_REPEAT;
6330 break;
6331 default:
6332 *uwrq = IW_MODE_ADHOC;
6333 }
6334
6335 return 0;
6336}
6337
138c0c68 6338static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6339{
138c0c68 6340 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV
6341}
6342
1da177e4
LT
6343/*------------------------------------------------------------------*/
6344/*
6345 * Wireless Handler : set Encryption Key
6346 */
6347static int airo_set_encode(struct net_device *dev,
6348 struct iw_request_info *info,
6349 struct iw_point *dwrq,
6350 char *extra)
6351{
faf3994a 6352 struct airo_info *local = dev->ml_priv;
c0380693 6353 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6354 __le16 currentAuthType = local->config.authType;
c0380693 6355 int rc = 0;
1da177e4 6356
138c0c68 6357 if (!local->wep_capable)
1da177e4 6358 return -EOPNOTSUPP;
138c0c68 6359
1da177e4
LT
6360 readConfigRid(local, 1);
6361
6362 /* Basic checking: do we have a key to set ?
6363 * Note : with the new API, it's impossible to get a NULL pointer.
6364 * Therefore, we need to check a key size == 0 instead.
6365 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6366 * when no key is present (only change flags), but older versions
6367 * don't do it. - Jean II */
6368 if (dwrq->length > 0) {
6369 wep_key_t key;
6370 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6371 int current_index;
138c0c68 6372
1da177e4
LT
6373 /* Check the size of the key */
6374 if (dwrq->length > MAX_KEY_SIZE) {
6375 return -EINVAL;
6376 }
138c0c68 6377
c0380693
DW
6378 current_index = get_wep_tx_idx(local);
6379 if (current_index < 0)
6380 current_index = 0;
6381
1da177e4 6382 /* Check the index (none -> use current) */
138c0c68 6383 if (!valid_index(local, index))
1da177e4 6384 index = current_index;
138c0c68 6385
1da177e4
LT
6386 /* Set the length */
6387 if (dwrq->length > MIN_KEY_SIZE)
6388 key.len = MAX_KEY_SIZE;
6389 else
f09c2563 6390 key.len = MIN_KEY_SIZE;
1da177e4
LT
6391 /* Check if the key is not marked as invalid */
6392 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6393 /* Cleanup */
6394 memset(key.key, 0, MAX_KEY_SIZE);
6395 /* Copy the key in the driver */
6396 memcpy(key.key, extra, dwrq->length);
6397 /* Send the key to the card */
c0380693
DW
6398 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6399 if (rc < 0) {
6400 airo_print_err(local->dev->name, "failed to set"
6401 " WEP key at index %d: %d.",
6402 index, rc);
6403 return rc;
6404 }
1da177e4
LT
6405 }
6406 /* WE specify that if a valid key is set, encryption
6407 * should be enabled (user may turn it off later)
6408 * This is also how "iwconfig ethX key on" works */
6409 if((index == current_index) && (key.len > 0) &&
6410 (local->config.authType == AUTH_OPEN)) {
6411 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT
6412 }
6413 } else {
6414 /* Do we want to just set the transmit key index ? */
6415 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW
6416 if (valid_index(local, index)) {
6417 rc = set_wep_tx_idx(local, index, perm, 1);
6418 if (rc < 0) {
6419 airo_print_err(local->dev->name, "failed to set"
6420 " WEP transmit index to %d: %d.",
6421 index, rc);
6422 return rc;
6423 }
6424 } else {
1da177e4 6425 /* Don't complain if only change the mode */
93a3b607 6426 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6427 return -EINVAL;
138c0c68 6428 }
1da177e4
LT
6429 }
6430 /* Read the flags */
6431 if(dwrq->flags & IW_ENCODE_DISABLED)
6432 local->config.authType = AUTH_OPEN; // disable encryption
6433 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6434 local->config.authType = AUTH_SHAREDKEY; // Only Both
6435 if(dwrq->flags & IW_ENCODE_OPEN)
6436 local->config.authType = AUTH_ENCRYPT; // Only Wep
6437 /* Commit the changes to flags if needed */
f89b2321 6438 if (local->config.authType != currentAuthType)
1da177e4
LT
6439 set_bit (FLAG_COMMIT, &local->flags);
6440 return -EINPROGRESS; /* Call commit handler */
6441}
6442
6443/*------------------------------------------------------------------*/
6444/*
6445 * Wireless Handler : get Encryption Key
6446 */
6447static int airo_get_encode(struct net_device *dev,
6448 struct iw_request_info *info,
6449 struct iw_point *dwrq,
6450 char *extra)
6451{
faf3994a 6452 struct airo_info *local = dev->ml_priv;
1da177e4 6453 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
267d493b 6454 int wep_key_len;
c0380693 6455 u8 buf[16];
1da177e4 6456
138c0c68 6457 if (!local->wep_capable)
1da177e4 6458 return -EOPNOTSUPP;
138c0c68 6459
1da177e4 6460 readConfigRid(local, 1);
138c0c68 6461
1da177e4
LT
6462 /* Check encryption mode */
6463 switch(local->config.authType) {
6464 case AUTH_ENCRYPT:
6465 dwrq->flags = IW_ENCODE_OPEN;
6466 break;
6467 case AUTH_SHAREDKEY:
6468 dwrq->flags = IW_ENCODE_RESTRICTED;
6469 break;
6470 default:
6471 case AUTH_OPEN:
6472 dwrq->flags = IW_ENCODE_DISABLED;
6473 break;
6474 }
6475 /* We can't return the key, so set the proper flag and return zero */
6476 dwrq->flags |= IW_ENCODE_NOKEY;
6477 memset(extra, 0, 16);
6478
6479 /* Which key do we want ? -1 -> tx index */
c0380693
DW
6480 if (!valid_index(local, index)) {
6481 index = get_wep_tx_idx(local);
6482 if (index < 0)
6483 index = 0;
6484 }
1da177e4 6485 dwrq->flags |= index + 1;
c0380693 6486
1da177e4 6487 /* Copy the key to the user buffer */
267d493b
JL
6488 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6489 if (wep_key_len < 0) {
aedec922 6490 dwrq->length = 0;
267d493b
JL
6491 } else {
6492 dwrq->length = wep_key_len;
6493 memcpy(extra, buf, dwrq->length);
6494 }
c0380693 6495
1da177e4
LT
6496 return 0;
6497}
6498
4be757dd
DW
6499/*------------------------------------------------------------------*/
6500/*
6501 * Wireless Handler : set extended Encryption parameters
6502 */
6503static int airo_set_encodeext(struct net_device *dev,
6504 struct iw_request_info *info,
6505 union iwreq_data *wrqu,
6506 char *extra)
6507{
faf3994a 6508 struct airo_info *local = dev->ml_priv;
4be757dd
DW
6509 struct iw_point *encoding = &wrqu->encoding;
6510 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6511 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6512 __le16 currentAuthType = local->config.authType;
c0380693 6513 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW
6514 wep_key_t key;
6515
138c0c68 6516 if (!local->wep_capable)
4be757dd 6517 return -EOPNOTSUPP;
138c0c68 6518
4be757dd
DW
6519 readConfigRid(local, 1);
6520
6521 /* Determine and validate the key index */
6522 idx = encoding->flags & IW_ENCODE_INDEX;
6523 if (idx) {
138c0c68 6524 if (!valid_index(local, idx - 1))
4be757dd
DW
6525 return -EINVAL;
6526 idx--;
c0380693
DW
6527 } else {
6528 idx = get_wep_tx_idx(local);
6529 if (idx < 0)
6530 idx = 0;
6531 }
4be757dd
DW
6532
6533 if (encoding->flags & IW_ENCODE_DISABLED)
6534 alg = IW_ENCODE_ALG_NONE;
6535
4be757dd 6536 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW
6537 /* Only set transmit key index here, actual
6538 * key is set below if needed.
6539 */
c0380693
DW
6540 rc = set_wep_tx_idx(local, idx, perm, 1);
6541 if (rc < 0) {
6542 airo_print_err(local->dev->name, "failed to set "
6543 "WEP transmit index to %d: %d.",
6544 idx, rc);
6545 return rc;
6546 }
22d8846e
DW
6547 set_key = ext->key_len > 0 ? 1 : 0;
6548 }
6549
6550 if (set_key) {
4be757dd
DW
6551 /* Set the requested key first */
6552 memset(key.key, 0, MAX_KEY_SIZE);
6553 switch (alg) {
6554 case IW_ENCODE_ALG_NONE:
6555 key.len = 0;
6556 break;
6557 case IW_ENCODE_ALG_WEP:
6558 if (ext->key_len > MIN_KEY_SIZE) {
6559 key.len = MAX_KEY_SIZE;
6560 } else if (ext->key_len > 0) {
6561 key.len = MIN_KEY_SIZE;
6562 } else {
6563 return -EINVAL;
6564 }
6565 key_len = min (ext->key_len, key.len);
6566 memcpy(key.key, ext->key, key_len);
6567 break;
6568 default:
6569 return -EINVAL;
6570 }
f09c2563
SG
6571 if (key.len == 0) {
6572 rc = set_wep_tx_idx(local, idx, perm, 1);
6573 if (rc < 0) {
6574 airo_print_err(local->dev->name,
6575 "failed to set WEP transmit index to %d: %d.",
6576 idx, rc);
6577 return rc;
6578 }
6579 } else {
6580 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6581 if (rc < 0) {
6582 airo_print_err(local->dev->name,
6583 "failed to set WEP key at index %d: %d.",
6584 idx, rc);
6585 return rc;
6586 }
c0380693 6587 }
4be757dd
DW
6588 }
6589
6590 /* Read the flags */
6591 if(encoding->flags & IW_ENCODE_DISABLED)
6592 local->config.authType = AUTH_OPEN; // disable encryption
6593 if(encoding->flags & IW_ENCODE_RESTRICTED)
6594 local->config.authType = AUTH_SHAREDKEY; // Only Both
6595 if(encoding->flags & IW_ENCODE_OPEN)
6596 local->config.authType = AUTH_ENCRYPT; // Only Wep
6597 /* Commit the changes to flags if needed */
6598 if (local->config.authType != currentAuthType)
6599 set_bit (FLAG_COMMIT, &local->flags);
6600
6601 return -EINPROGRESS;
6602}
6603
6604
6605/*------------------------------------------------------------------*/
6606/*
6607 * Wireless Handler : get extended Encryption parameters
6608 */
6609static int airo_get_encodeext(struct net_device *dev,
6610 struct iw_request_info *info,
6611 union iwreq_data *wrqu,
6612 char *extra)
6613{
faf3994a 6614 struct airo_info *local = dev->ml_priv;
4be757dd
DW
6615 struct iw_point *encoding = &wrqu->encoding;
6616 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
267d493b 6617 int idx, max_key_len, wep_key_len;
c0380693 6618 u8 buf[16];
4be757dd 6619
138c0c68 6620 if (!local->wep_capable)
4be757dd 6621 return -EOPNOTSUPP;
138c0c68 6622
4be757dd
DW
6623 readConfigRid(local, 1);
6624
6625 max_key_len = encoding->length - sizeof(*ext);
6626 if (max_key_len < 0)
6627 return -EINVAL;
6628
6629 idx = encoding->flags & IW_ENCODE_INDEX;
6630 if (idx) {
138c0c68 6631 if (!valid_index(local, idx - 1))
4be757dd
DW
6632 return -EINVAL;
6633 idx--;
c0380693
DW
6634 } else {
6635 idx = get_wep_tx_idx(local);
6636 if (idx < 0)
6637 idx = 0;
6638 }
4be757dd
DW
6639
6640 encoding->flags = idx + 1;
6641 memset(ext, 0, sizeof(*ext));
6642
6643 /* Check encryption mode */
6644 switch(local->config.authType) {
6645 case AUTH_ENCRYPT:
6646 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6647 break;
6648 case AUTH_SHAREDKEY:
6649 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6650 break;
6651 default:
6652 case AUTH_OPEN:
6653 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6654 break;
6655 }
6656 /* We can't return the key, so set the proper flag and return zero */
6657 encoding->flags |= IW_ENCODE_NOKEY;
6658 memset(extra, 0, 16);
6659
6660 /* Copy the key to the user buffer */
267d493b
JL
6661 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6662 if (wep_key_len < 0) {
aedec922 6663 ext->key_len = 0;
267d493b
JL
6664 } else {
6665 ext->key_len = wep_key_len;
6666 memcpy(extra, buf, ext->key_len);
6667 }
4be757dd
DW
6668
6669 return 0;
6670}
6671
6672
6673/*------------------------------------------------------------------*/
6674/*
6675 * Wireless Handler : set extended authentication parameters
6676 */
6677static int airo_set_auth(struct net_device *dev,
6678 struct iw_request_info *info,
6679 union iwreq_data *wrqu, char *extra)
6680{
faf3994a 6681 struct airo_info *local = dev->ml_priv;
4be757dd 6682 struct iw_param *param = &wrqu->param;
3eb9b41f 6683 __le16 currentAuthType = local->config.authType;
4be757dd
DW
6684
6685 switch (param->flags & IW_AUTH_INDEX) {
6686 case IW_AUTH_WPA_VERSION:
6687 case IW_AUTH_CIPHER_PAIRWISE:
6688 case IW_AUTH_CIPHER_GROUP:
6689 case IW_AUTH_KEY_MGMT:
6690 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6691 case IW_AUTH_PRIVACY_INVOKED:
6692 /*
6693 * airo does not use these parameters
6694 */
6695 break;
6696
6697 case IW_AUTH_DROP_UNENCRYPTED:
6698 if (param->value) {
6699 /* Only change auth type if unencrypted */
6700 if (currentAuthType == AUTH_OPEN)
6701 local->config.authType = AUTH_ENCRYPT;
6702 } else {
6703 local->config.authType = AUTH_OPEN;
6704 }
6705
6706 /* Commit the changes to flags if needed */
6707 if (local->config.authType != currentAuthType)
6708 set_bit (FLAG_COMMIT, &local->flags);
6709 break;
6710
6711 case IW_AUTH_80211_AUTH_ALG: {
6712 /* FIXME: What about AUTH_OPEN? This API seems to
6713 * disallow setting our auth to AUTH_OPEN.
6714 */
6715 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6716 local->config.authType = AUTH_SHAREDKEY;
6717 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6718 local->config.authType = AUTH_ENCRYPT;
6719 } else
6720 return -EINVAL;
4be757dd
DW
6721
6722 /* Commit the changes to flags if needed */
6723 if (local->config.authType != currentAuthType)
6724 set_bit (FLAG_COMMIT, &local->flags);
011f5c5b 6725 break;
4be757dd
DW
6726 }
6727
6728 case IW_AUTH_WPA_ENABLED:
6729 /* Silently accept disable of WPA */
6730 if (param->value > 0)
6731 return -EOPNOTSUPP;
6732 break;
6733
6734 default:
6735 return -EOPNOTSUPP;
6736 }
6737 return -EINPROGRESS;
6738}
6739
6740
6741/*------------------------------------------------------------------*/
6742/*
6743 * Wireless Handler : get extended authentication parameters
6744 */
6745static int airo_get_auth(struct net_device *dev,
6746 struct iw_request_info *info,
6747 union iwreq_data *wrqu, char *extra)
6748{
faf3994a 6749 struct airo_info *local = dev->ml_priv;
4be757dd 6750 struct iw_param *param = &wrqu->param;
3eb9b41f 6751 __le16 currentAuthType = local->config.authType;
4be757dd
DW
6752
6753 switch (param->flags & IW_AUTH_INDEX) {
6754 case IW_AUTH_DROP_UNENCRYPTED:
6755 switch (currentAuthType) {
6756 case AUTH_SHAREDKEY:
6757 case AUTH_ENCRYPT:
6758 param->value = 1;
6759 break;
6760 default:
6761 param->value = 0;
6762 break;
6763 }
6764 break;
6765
6766 case IW_AUTH_80211_AUTH_ALG:
6767 switch (currentAuthType) {
6768 case AUTH_SHAREDKEY:
6769 param->value = IW_AUTH_ALG_SHARED_KEY;
6770 break;
6771 case AUTH_ENCRYPT:
6772 default:
6773 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6774 break;
6775 }
6776 break;
6777
6778 case IW_AUTH_WPA_ENABLED:
6779 param->value = 0;
6780 break;
6781
6782 default:
6783 return -EOPNOTSUPP;
6784 }
6785 return 0;
6786}
6787
6788
1da177e4
LT
6789/*------------------------------------------------------------------*/
6790/*
6791 * Wireless Handler : set Tx-Power
6792 */
6793static int airo_set_txpow(struct net_device *dev,
6794 struct iw_request_info *info,
6795 struct iw_param *vwrq,
6796 char *extra)
6797{
faf3994a 6798 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6799 CapabilityRid cap_rid; /* Card capability info */
6800 int i;
6801 int rc = -EINVAL;
3eb9b41f 6802 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT
6803
6804 readCapabilityRid(local, &cap_rid, 1);
6805
6806 if (vwrq->disabled) {
6807 set_bit (FLAG_RADIO_OFF, &local->flags);
6808 set_bit (FLAG_COMMIT, &local->flags);
6809 return -EINPROGRESS; /* Call commit handler */
6810 }
6811 if (vwrq->flags != IW_TXPOW_MWATT) {
6812 return -EINVAL;
6813 }
6814 clear_bit (FLAG_RADIO_OFF, &local->flags);
3d0ccd02 6815 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
3eb9b41f 6816 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6817 readConfigRid(local, 1);
3eb9b41f 6818 local->config.txPower = v;
1da177e4
LT
6819 set_bit (FLAG_COMMIT, &local->flags);
6820 rc = -EINPROGRESS; /* Call commit handler */
6821 break;
6822 }
6823 return rc;
6824}
6825
6826/*------------------------------------------------------------------*/
6827/*
6828 * Wireless Handler : get Tx-Power
6829 */
6830static int airo_get_txpow(struct net_device *dev,
6831 struct iw_request_info *info,
6832 struct iw_param *vwrq,
6833 char *extra)
6834{
faf3994a 6835 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6836
6837 readConfigRid(local, 1);
3eb9b41f 6838 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT
6839 vwrq->fixed = 1; /* No power control */
6840 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6841 vwrq->flags = IW_TXPOW_MWATT;
6842
6843 return 0;
6844}
6845
6846/*------------------------------------------------------------------*/
6847/*
6848 * Wireless Handler : set Retry limits
6849 */
6850static int airo_set_retry(struct net_device *dev,
6851 struct iw_request_info *info,
6852 struct iw_param *vwrq,
6853 char *extra)
6854{
faf3994a 6855 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6856 int rc = -EINVAL;
6857
6858 if(vwrq->disabled) {
6859 return -EINVAL;
6860 }
6861 readConfigRid(local, 1);
6862 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6863 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6864 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6865 local->config.longRetryLimit = v;
7f8544cc 6866 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6867 local->config.shortRetryLimit = v;
1da177e4
LT
6868 else {
6869 /* No modifier : set both */
3eb9b41f
AV
6870 local->config.longRetryLimit = v;
6871 local->config.shortRetryLimit = v;
1da177e4
LT
6872 }
6873 set_bit (FLAG_COMMIT, &local->flags);
6874 rc = -EINPROGRESS; /* Call commit handler */
6875 }
6876 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6877 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT
6878 set_bit (FLAG_COMMIT, &local->flags);
6879 rc = -EINPROGRESS; /* Call commit handler */
6880 }
6881 return rc;
6882}
6883
6884/*------------------------------------------------------------------*/
6885/*
6886 * Wireless Handler : get Retry limits
6887 */
6888static int airo_get_retry(struct net_device *dev,
6889 struct iw_request_info *info,
6890 struct iw_param *vwrq,
6891 char *extra)
6892{
faf3994a 6893 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6894
6895 vwrq->disabled = 0; /* Can't be disabled */
6896
6897 readConfigRid(local, 1);
6898 /* Note : by default, display the min retry number */
6899 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6900 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6901 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT
6902 } else if((vwrq->flags & IW_RETRY_LONG)) {
6903 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6904 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT
6905 } else {
6906 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV
6907 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6908 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6909 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT
6910 }
6911
6912 return 0;
6913}
6914
6915/*------------------------------------------------------------------*/
6916/*
6917 * Wireless Handler : get range info
6918 */
6919static int airo_get_range(struct net_device *dev,
6920 struct iw_request_info *info,
6921 struct iw_point *dwrq,
6922 char *extra)
6923{
faf3994a 6924 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6925 struct iw_range *range = (struct iw_range *) extra;
6926 CapabilityRid cap_rid; /* Card capability info */
6927 int i;
6928 int k;
6929
6930 readCapabilityRid(local, &cap_rid, 1);
6931
6932 dwrq->length = sizeof(struct iw_range);
6933 memset(range, 0, sizeof(*range));
6934 range->min_nwid = 0x0000;
6935 range->max_nwid = 0x0000;
6936 range->num_channels = 14;
6937 /* Should be based on cap_rid.country to give only
6938 * what the current card support */
6939 k = 0;
6940 for(i = 0; i < 14; i++) {
6941 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK
6942 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6943 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT
6944 }
6945 range->num_frequency = k;
6946
41480af2
DW
6947 range->sensitivity = 65535;
6948
1da177e4 6949 /* Hum... Should put the right values there */
41480af2
DW
6950 if (local->rssi)
6951 range->max_qual.qual = 100; /* % */
6952 else
6953 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT
6954 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6955 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW
6956
6957 /* Experimental measurements - boundary 11/5.5 Mb/s */
6958 /* Note : with or without the (local->rssi), results
6959 * are somewhat different. - Jean II */
6960 if (local->rssi) {
ce6623c3
JT
6961 range->avg_qual.qual = 50; /* % */
6962 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW
6963 } else {
6964 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6965 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6966 }
ce6623c3 6967 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT
6968
6969 for(i = 0 ; i < 8 ; i++) {
6970 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6971 if(range->bitrate[i] == 0)
6972 break;
6973 }
6974 range->num_bitrates = i;
6975
6976 /* Set an indication of the max TCP throughput
6977 * in bit/s that we can expect using this interface.
6978 * May be use for QoS stuff... Jean II */
6979 if(i > 2)
6980 range->throughput = 5000 * 1000;
6981 else
6982 range->throughput = 1500 * 1000;
6983
6984 range->min_rts = 0;
15db2763 6985 range->max_rts = AIRO_DEF_MTU;
1da177e4 6986 range->min_frag = 256;
15db2763 6987 range->max_frag = AIRO_DEF_MTU;
1da177e4 6988
56d81bd3 6989 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT
6990 // WEP: RC4 40 bits
6991 range->encoding_size[0] = 5;
6992 // RC4 ~128 bits
56d81bd3 6993 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT
6994 range->encoding_size[1] = 13;
6995 range->num_encoding_sizes = 2;
6996 } else
6997 range->num_encoding_sizes = 1;
56d81bd3
AV
6998 range->max_encoding_tokens =
6999 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT
7000 } else {
7001 range->num_encoding_sizes = 0;
7002 range->max_encoding_tokens = 0;
7003 }
7004 range->min_pmp = 0;
7005 range->max_pmp = 5000000; /* 5 secs */
7006 range->min_pmt = 0;
7007 range->max_pmt = 65535 * 1024; /* ??? */
7008 range->pmp_flags = IW_POWER_PERIOD;
7009 range->pmt_flags = IW_POWER_TIMEOUT;
7010 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7011
7012 /* Transmit Power - values are in mW */
7013 for(i = 0 ; i < 8 ; i++) {
56d81bd3 7014 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT
7015 if(range->txpower[i] == 0)
7016 break;
7017 }
7018 range->num_txpower = i;
7019 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 7020 range->we_version_source = 19;
1da177e4
LT
7021 range->we_version_compiled = WIRELESS_EXT;
7022 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7023 range->retry_flags = IW_RETRY_LIMIT;
7024 range->r_time_flags = IW_RETRY_LIFETIME;
7025 range->min_retry = 1;
7026 range->max_retry = 65535;
7027 range->min_r_time = 1024;
7028 range->max_r_time = 65535 * 1024;
1da177e4
LT
7029
7030 /* Event capability (kernel + driver) */
7031 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7032 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7033 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7034 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7035 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7036 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7037 return 0;
7038}
7039
7040/*------------------------------------------------------------------*/
7041/*
7042 * Wireless Handler : set Power Management
7043 */
7044static int airo_set_power(struct net_device *dev,
7045 struct iw_request_info *info,
7046 struct iw_param *vwrq,
7047 char *extra)
7048{
faf3994a 7049 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7050
7051 readConfigRid(local, 1);
7052 if (vwrq->disabled) {
3eb9b41f 7053 if (sniffing_mode(local))
1da177e4 7054 return -EINVAL;
1da177e4 7055 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7056 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT
7057 local->config.rmode |= RXMODE_BC_MC_ADDR;
7058 set_bit (FLAG_COMMIT, &local->flags);
7059 return -EINPROGRESS; /* Call commit handler */
7060 }
7061 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7062 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT
7063 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7064 set_bit (FLAG_COMMIT, &local->flags);
7065 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV
7066 local->config.fastListenInterval =
7067 local->config.listenInterval =
7068 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT
7069 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7070 set_bit (FLAG_COMMIT, &local->flags);
7071 }
7072 switch (vwrq->flags & IW_POWER_MODE) {
7073 case IW_POWER_UNICAST_R:
3eb9b41f 7074 if (sniffing_mode(local))
1da177e4 7075 return -EINVAL;
3eb9b41f 7076 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT
7077 local->config.rmode |= RXMODE_ADDR;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 break;
7080 case IW_POWER_ALL_R:
3eb9b41f 7081 if (sniffing_mode(local))
1da177e4 7082 return -EINVAL;
3eb9b41f 7083 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT
7084 local->config.rmode |= RXMODE_BC_MC_ADDR;
7085 set_bit (FLAG_COMMIT, &local->flags);
7086 case IW_POWER_ON:
7f8544cc 7087 /* This is broken, fixme ;-) */
1da177e4
LT
7088 break;
7089 default:
7090 return -EINVAL;
7091 }
7092 // Note : we may want to factor local->need_commit here
7093 // Note2 : may also want to factor RXMODE_RFMON test
7094 return -EINPROGRESS; /* Call commit handler */
7095}
7096
7097/*------------------------------------------------------------------*/
7098/*
7099 * Wireless Handler : get Power Management
7100 */
7101static int airo_get_power(struct net_device *dev,
7102 struct iw_request_info *info,
7103 struct iw_param *vwrq,
7104 char *extra)
7105{
faf3994a 7106 struct airo_info *local = dev->ml_priv;
3eb9b41f 7107 __le16 mode;
1da177e4
LT
7108
7109 readConfigRid(local, 1);
7110 mode = local->config.powerSaveMode;
7111 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7112 return 0;
7113 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7114 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT
7115 vwrq->flags = IW_POWER_TIMEOUT;
7116 } else {
3eb9b41f 7117 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT
7118 vwrq->flags = IW_POWER_PERIOD;
7119 }
3eb9b41f 7120 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT
7121 vwrq->flags |= IW_POWER_UNICAST_R;
7122 else
7123 vwrq->flags |= IW_POWER_ALL_R;
7124
7125 return 0;
7126}
7127
7128/*------------------------------------------------------------------*/
7129/*
7130 * Wireless Handler : set Sensitivity
7131 */
7132static int airo_set_sens(struct net_device *dev,
7133 struct iw_request_info *info,
7134 struct iw_param *vwrq,
7135 char *extra)
7136{
faf3994a 7137 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7138
7139 readConfigRid(local, 1);
3eb9b41f
AV
7140 local->config.rssiThreshold =
7141 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT
7142 set_bit (FLAG_COMMIT, &local->flags);
7143
7144 return -EINPROGRESS; /* Call commit handler */
7145}
7146
7147/*------------------------------------------------------------------*/
7148/*
7149 * Wireless Handler : get Sensitivity
7150 */
7151static int airo_get_sens(struct net_device *dev,
7152 struct iw_request_info *info,
7153 struct iw_param *vwrq,
7154 char *extra)
7155{
faf3994a 7156 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7157
7158 readConfigRid(local, 1);
3eb9b41f 7159 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT
7160 vwrq->disabled = (vwrq->value == 0);
7161 vwrq->fixed = 1;
7162
7163 return 0;
7164}
7165
7166/*------------------------------------------------------------------*/
7167/*
7168 * Wireless Handler : get AP List
7169 * Note : this is deprecated in favor of IWSCAN
7170 */
7171static int airo_get_aplist(struct net_device *dev,
7172 struct iw_request_info *info,
7173 struct iw_point *dwrq,
7174 char *extra)
7175{
faf3994a 7176 struct airo_info *local = dev->ml_priv;
1da177e4 7177 struct sockaddr *address = (struct sockaddr *) extra;
998a5a7d 7178 struct iw_quality *qual;
1da177e4
LT
7179 BSSListRid BSSList;
7180 int i;
7181 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7182
998a5a7d
FS
7183 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7184 if (!qual)
7185 return -ENOMEM;
7186
1da177e4 7187 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7188 u16 dBm;
1da177e4
LT
7189 if (readBSSListRid(local, loseSync, &BSSList))
7190 break;
7191 loseSync = 0;
7192 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7193 address[i].sa_family = ARPHRD_ETHER;
17e70491 7194 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7195 if (local->rssi) {
17e70491
AV
7196 qual[i].level = 0x100 - dBm;
7197 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT
7198 qual[i].updated = IW_QUAL_QUAL_UPDATED
7199 | IW_QUAL_LEVEL_UPDATED
7200 | IW_QUAL_DBM;
41480af2 7201 } else {
17e70491 7202 qual[i].level = (dBm + 321) / 2;
41480af2 7203 qual[i].qual = 0;
ce6623c3
JT
7204 qual[i].updated = IW_QUAL_QUAL_INVALID
7205 | IW_QUAL_LEVEL_UPDATED
7206 | IW_QUAL_DBM;
41480af2
DW
7207 }
7208 qual[i].noise = local->wstats.qual.noise;
17e70491 7209 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT
7210 break;
7211 }
7212 if (!i) {
7213 StatusRid status_rid; /* Card status info */
7214 readStatusRid(local, &status_rid, 1);
7215 for (i = 0;
7216 i < min(IW_MAX_AP, 4) &&
7217 (status_rid.bssid[i][0]
7218 & status_rid.bssid[i][1]
7219 & status_rid.bssid[i][2]
7220 & status_rid.bssid[i][3]
7221 & status_rid.bssid[i][4]
7222 & status_rid.bssid[i][5])!=0xff &&
7223 (status_rid.bssid[i][0]
7224 | status_rid.bssid[i][1]
7225 | status_rid.bssid[i][2]
7226 | status_rid.bssid[i][3]
7227 | status_rid.bssid[i][4]
7228 | status_rid.bssid[i][5]);
7229 i++) {
7230 memcpy(address[i].sa_data,
7231 status_rid.bssid[i], ETH_ALEN);
7232 address[i].sa_family = ARPHRD_ETHER;
7233 }
7234 } else {
7235 dwrq->flags = 1; /* Should be define'd */
7236 memcpy(extra + sizeof(struct sockaddr)*i,
7237 &qual, sizeof(struct iw_quality)*i);
7238 }
7239 dwrq->length = i;
7240
998a5a7d 7241 kfree(qual);
1da177e4
LT
7242 return 0;
7243}
7244
7245/*------------------------------------------------------------------*/
7246/*
7247 * Wireless Handler : Initiate Scan
7248 */
7249static int airo_set_scan(struct net_device *dev,
7250 struct iw_request_info *info,
9930ccee 7251 struct iw_point *dwrq,
1da177e4
LT
7252 char *extra)
7253{
faf3994a 7254 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
7255 Cmd cmd;
7256 Resp rsp;
9e75af30 7257 int wake = 0;
1da177e4
LT
7258
7259 /* Note : you may have realised that, as this is a SET operation,
7260 * this is privileged and therefore a normal user can't
7261 * perform scanning.
7262 * This is not an error, while the device perform scanning,
7263 * traffic doesn't flow, so it's a perfect DoS...
7264 * Jean II */
7265 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7266
9e75af30
DW
7267 if (down_interruptible(&ai->sem))
7268 return -ERESTARTSYS;
7269
7270 /* If there's already a scan in progress, don't
7271 * trigger another one. */
7272 if (ai->scan_timeout > 0)
7273 goto out;
7274
1da177e4 7275 /* Initiate a scan command */
6fcdf565 7276 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT
7277 memset(&cmd, 0, sizeof(cmd));
7278 cmd.cmd=CMD_LISTBSS;
1da177e4 7279 issuecommand(ai, &cmd, &rsp);
9e75af30 7280 wake = 1;
1da177e4 7281
9e75af30
DW
7282out:
7283 up(&ai->sem);
7284 if (wake)
7285 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT
7286 return 0;
7287}
7288
7289/*------------------------------------------------------------------*/
7290/*
7291 * Translate scan data returned from the card to a card independent
7292 * format that the Wireless Tools will understand - Jean II
7293 */
7294static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7295 struct iw_request_info *info,
1da177e4
LT
7296 char *current_ev,
7297 char *end_buf,
41480af2 7298 BSSListRid *bss)
1da177e4 7299{
faf3994a 7300 struct airo_info *ai = dev->ml_priv;
1da177e4 7301 struct iw_event iwe; /* Temporary buffer */
17e70491 7302 __le16 capabilities;
1da177e4
LT
7303 char * current_val; /* For rates */
7304 int i;
3c304956 7305 char * buf;
851b3e5e 7306 u16 dBm;
1da177e4
LT
7307
7308 /* First entry *MUST* be the AP MAC address */
7309 iwe.cmd = SIOCGIWAP;
7310 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7311 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM
7312 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7313 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT
7314
7315 /* Other entries will be displayed in the order we give them */
7316
7317 /* Add the ESSID */
41480af2 7318 iwe.u.data.length = bss->ssidLen;
1da177e4
LT
7319 if(iwe.u.data.length > 32)
7320 iwe.u.data.length = 32;
7321 iwe.cmd = SIOCGIWESSID;
7322 iwe.u.data.flags = 1;
ccc58057
DM
7323 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7324 &iwe, bss->ssid);
1da177e4
LT
7325
7326 /* Add mode */
7327 iwe.cmd = SIOCGIWMODE;
17e70491 7328 capabilities = bss->cap;
1da177e4
LT
7329 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7330 if(capabilities & CAP_ESS)
7331 iwe.u.mode = IW_MODE_MASTER;
7332 else
7333 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM
7334 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7335 &iwe, IW_EV_UINT_LEN);
1da177e4
LT
7336 }
7337
7338 /* Add frequency */
7339 iwe.cmd = SIOCGIWFREQ;
41480af2 7340 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7341 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7342 iwe.u.freq.e = 1;
ccc58057
DM
7343 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7344 &iwe, IW_EV_FREQ_LEN);
1da177e4 7345
851b3e5e
AV
7346 dBm = le16_to_cpu(bss->dBm);
7347
1da177e4
LT
7348 /* Add quality statistics */
7349 iwe.cmd = IWEVQUAL;
41480af2 7350 if (ai->rssi) {
851b3e5e
AV
7351 iwe.u.qual.level = 0x100 - dBm;
7352 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT
7353 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7354 | IW_QUAL_LEVEL_UPDATED
7355 | IW_QUAL_DBM;
41480af2 7356 } else {
851b3e5e 7357 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7358 iwe.u.qual.qual = 0;
bbeec90b 7359 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT
7360 | IW_QUAL_LEVEL_UPDATED
7361 | IW_QUAL_DBM;
41480af2
DW
7362 }
7363 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM
7364 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7365 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT
7366
7367 /* Add encryption capability */
7368 iwe.cmd = SIOCGIWENCODE;
7369 if(capabilities & CAP_PRIVACY)
7370 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7371 else
7372 iwe.u.data.flags = IW_ENCODE_DISABLED;
7373 iwe.u.data.length = 0;
ccc58057
DM
7374 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7375 &iwe, bss->ssid);
1da177e4
LT
7376
7377 /* Rate : stuffing multiple values in a single event require a bit
7378 * more of magic - Jean II */
ccc58057 7379 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT
7380
7381 iwe.cmd = SIOCGIWRATE;
7382 /* Those two flags are ignored... */
7383 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7384 /* Max 8 values */
7385 for(i = 0 ; i < 8 ; i++) {
7386 /* NULL terminated */
41480af2 7387 if(bss->rates[i] == 0)
1da177e4
LT
7388 break;
7389 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7390 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7391 /* Add new value to event */
ccc58057
DM
7392 current_val = iwe_stream_add_value(info, current_ev,
7393 current_val, end_buf,
7394 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT
7395 }
7396 /* Check if we added any event */
ccc58057 7397 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT
7398 current_ev = current_val;
7399
3c304956
DW
7400 /* Beacon interval */
7401 buf = kmalloc(30, GFP_KERNEL);
7402 if (buf) {
7403 iwe.cmd = IWEVCUSTOM;
7404 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7405 iwe.u.data.length = strlen(buf);
ccc58057
DM
7406 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7407 &iwe, buf);
3c304956
DW
7408 kfree(buf);
7409 }
7410
7411 /* Put WPA/RSN Information Elements into the event stream */
7412 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7413 unsigned int num_null_ies = 0;
7414 u16 length = sizeof (bss->extra.iep);
2c706002 7415 u8 *ie = (void *)&bss->extra.iep;
3c304956 7416
2c706002
JB
7417 while ((length >= 2) && (num_null_ies < 2)) {
7418 if (2 + ie[1] > length) {
3c304956
DW
7419 /* Invalid element, don't continue parsing IE */
7420 break;
7421 }
7422
2c706002
JB
7423 switch (ie[0]) {
7424 case WLAN_EID_SSID:
3c304956
DW
7425 /* Two zero-length SSID elements
7426 * mean we're done parsing elements */
2c706002 7427 if (!ie[1])
3c304956
DW
7428 num_null_ies++;
7429 break;
7430
2c706002
JB
7431 case WLAN_EID_GENERIC:
7432 if (ie[1] >= 4 &&
7433 ie[2] == 0x00 &&
7434 ie[3] == 0x50 &&
7435 ie[4] == 0xf2 &&
7436 ie[5] == 0x01) {
3c304956 7437 iwe.cmd = IWEVGENIE;
2c706002
JB
7438 /* 64 is an arbitrary cut-off */
7439 iwe.u.data.length = min(ie[1] + 2,
7440 64);
ccc58057
DM
7441 current_ev = iwe_stream_add_point(
7442 info, current_ev,
2c706002 7443 end_buf, &iwe, ie);
3c304956
DW
7444 }
7445 break;
7446
2c706002 7447 case WLAN_EID_RSN:
3c304956 7448 iwe.cmd = IWEVGENIE;
2c706002
JB
7449 /* 64 is an arbitrary cut-off */
7450 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM
7451 current_ev = iwe_stream_add_point(
7452 info, current_ev, end_buf,
2c706002 7453 &iwe, ie);
3c304956
DW
7454 break;
7455
7456 default:
7457 break;
7458 }
7459
2c706002
JB
7460 length -= 2 + ie[1];
7461 ie += 2 + ie[1];
3c304956
DW
7462 }
7463 }
1da177e4
LT
7464 return current_ev;
7465}
7466
7467/*------------------------------------------------------------------*/
7468/*
7469 * Wireless Handler : Read Scan Results
7470 */
7471static int airo_get_scan(struct net_device *dev,
7472 struct iw_request_info *info,
7473 struct iw_point *dwrq,
7474 char *extra)
7475{
faf3994a 7476 struct airo_info *ai = dev->ml_priv;
9e75af30
DW
7477 BSSListElement *net;
7478 int err = 0;
1da177e4
LT
7479 char *current_ev = extra;
7480
9e75af30
DW
7481 /* If a scan is in-progress, return -EAGAIN */
7482 if (ai->scan_timeout > 0)
1da177e4 7483 return -EAGAIN;
1da177e4 7484
9e75af30
DW
7485 if (down_interruptible(&ai->sem))
7486 return -EAGAIN;
1da177e4 7487
9e75af30 7488 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7489 /* Translate to WE format this entry */
ccc58057 7490 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7491 extra + dwrq->length,
9e75af30 7492 &net->bss);
1da177e4
LT
7493
7494 /* Check if there is space for one more entry */
7495 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7496 /* Ask user space to try again with a bigger buffer */
9e75af30
DW
7497 err = -E2BIG;
7498 goto out;
1da177e4 7499 }
1da177e4 7500 }
9e75af30 7501
1da177e4
LT
7502 /* Length of data */
7503 dwrq->length = (current_ev - extra);
7504 dwrq->flags = 0; /* todo */
7505
9e75af30
DW
7506out:
7507 up(&ai->sem);
7508 return err;
1da177e4
LT
7509}
7510
7511/*------------------------------------------------------------------*/
7512/*
7513 * Commit handler : called after a bunch of SET operations
7514 */
7515static int airo_config_commit(struct net_device *dev,
7516 struct iw_request_info *info, /* NULL */
7517 void *zwrq, /* NULL */
7518 char *extra) /* NULL */
7519{
faf3994a 7520 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7521
7522 if (!test_bit (FLAG_COMMIT, &local->flags))
7523 return 0;
7524
7525 /* Some of the "SET" function may have modified some of the
7526 * parameters. It's now time to commit them in the card */
7527 disable_MAC(local, 1);
7528 if (test_bit (FLAG_RESET, &local->flags)) {
7529 APListRid APList_rid;
7530 SsidRid SSID_rid;
7531
7532 readAPListRid(local, &APList_rid);
7533 readSsidRid(local, &SSID_rid);
7534 if (test_bit(FLAG_MPI,&local->flags))
7535 setup_card(local, dev->dev_addr, 1 );
7536 else
7537 reset_airo_card(dev);
7538 disable_MAC(local, 1);
7539 writeSsidRid(local, &SSID_rid, 1);
7540 writeAPListRid(local, &APList_rid, 1);
7541 }
7542 if (down_interruptible(&local->sem))
7543 return -ERESTARTSYS;
7544 writeConfigRid(local, 0);
175ec1a1 7545 enable_MAC(local, 0);
1da177e4
LT
7546 if (test_bit (FLAG_RESET, &local->flags))
7547 airo_set_promisc(local);
7548 else
7549 up(&local->sem);
7550
7551 return 0;
7552}
7553
7554/*------------------------------------------------------------------*/
7555/*
7556 * Structures to export the Wireless Handlers
7557 */
7558
7559static const struct iw_priv_args airo_private_args[] = {
7560/*{ cmd, set_args, get_args, name } */
7561 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7562 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7563 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7564 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7565};
7566
7567static const iw_handler airo_handler[] =
7568{
7569 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7570 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7571 (iw_handler) NULL, /* SIOCSIWNWID */
7572 (iw_handler) NULL, /* SIOCGIWNWID */
7573 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7574 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7575 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7576 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7577 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7578 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7579 (iw_handler) NULL, /* SIOCSIWRANGE */
7580 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7581 (iw_handler) NULL, /* SIOCSIWPRIV */
7582 (iw_handler) NULL, /* SIOCGIWPRIV */
7583 (iw_handler) NULL, /* SIOCSIWSTATS */
7584 (iw_handler) NULL, /* SIOCGIWSTATS */
7585 iw_handler_set_spy, /* SIOCSIWSPY */
7586 iw_handler_get_spy, /* SIOCGIWSPY */
7587 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7588 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7589 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7590 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7591 (iw_handler) NULL, /* -- hole -- */
7592 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7593 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7594 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7595 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7596 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7597 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7598 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7599 (iw_handler) NULL, /* -- hole -- */
7600 (iw_handler) NULL, /* -- hole -- */
7601 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7602 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7603 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7604 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7605 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7606 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7607 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7608 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7609 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7610 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7611 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7612 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7613 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7614 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW
7615 (iw_handler) NULL, /* -- hole -- */
7616 (iw_handler) NULL, /* -- hole -- */
7617 (iw_handler) NULL, /* SIOCSIWGENIE */
7618 (iw_handler) NULL, /* SIOCGIWGENIE */
7619 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7620 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7621 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7622 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7623 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT
7624};
7625
7626/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7627 * We want to force the use of the ioctl code, because those can't be
7628 * won't work the iw_handler code (because they simultaneously read
7629 * and write data and iw_handler can't do that).
7630 * Note that it's perfectly legal to read/write on a single ioctl command,
7631 * you just can't use iwpriv and need to force it via the ioctl handler.
7632 * Jean II */
7633static const iw_handler airo_private_handler[] =
7634{
7635 NULL, /* SIOCIWFIRSTPRIV */
7636};
7637
7638static const struct iw_handler_def airo_handler_def =
7639{
ff8ac609
DC
7640 .num_standard = ARRAY_SIZE(airo_handler),
7641 .num_private = ARRAY_SIZE(airo_private_handler),
7642 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT
7643 .standard = airo_handler,
7644 .private = airo_private_handler,
7645 .private_args = airo_private_args,
7646 .get_wireless_stats = airo_get_wireless_stats,
7647};
7648
1da177e4
LT
7649/*
7650 * This defines the configuration part of the Wireless Extensions
7651 * Note : irq and spinlock protection will occur in the subroutines
7652 *
7653 * TODO :
7654 * o Check input value more carefully and fill correct values in range
7655 * o Test and shakeout the bugs (if any)
7656 *
7657 * Jean II
7658 *
7659 * Javier Achirica did a great job of merging code from the unnamed CISCO
7660 * developer that added support for flashing the card.
7661 */
7662static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7663{
7664 int rc = 0;
faf3994a 7665 struct airo_info *ai = dev->ml_priv;
1da177e4 7666
ca078bae 7667 if (ai->power.event)
1da177e4
LT
7668 return 0;
7669
7670 switch (cmd) {
7671#ifdef CISCO_EXT
7672 case AIROIDIFC:
7673#ifdef AIROOLDIDIFC
7674 case AIROOLDIDIFC:
7675#endif
7676 {
7677 int val = AIROMAGIC;
7678 aironet_ioctl com;
7679 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7680 rc = -EFAULT;
7681 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7682 rc = -EFAULT;
7683 }
7684 break;
7685
7686 case AIROIOCTL:
7687#ifdef AIROOLDIOCTL
7688 case AIROOLDIOCTL:
7689#endif
7690 /* Get the command struct and hand it off for evaluation by
7691 * the proper subfunction
7692 */
7693 {
7694 aironet_ioctl com;
7695 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7696 rc = -EFAULT;
7697 break;
7698 }
7699
7700 /* Separate R/W functions bracket legality here
7701 */
7702 if ( com.command == AIRORSWVERSION ) {
7703 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7704 rc = -EFAULT;
7705 else
7706 rc = 0;
7707 }
7708 else if ( com.command <= AIRORRID)
7709 rc = readrids(dev,&com);
7710 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7711 rc = writerids(dev,&com);
7712 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7713 rc = flashcard(dev,&com);
7714 else
7715 rc = -EINVAL; /* Bad command in ioctl */
7716 }
7717 break;
7718#endif /* CISCO_EXT */
7719
7720 // All other calls are currently unsupported
7721 default:
7722 rc = -EOPNOTSUPP;
7723 }
7724 return rc;
7725}
7726
1da177e4
LT
7727/*
7728 * Get the Wireless stats out of the driver
7729 * Note : irq and spinlock protection will occur in the subroutines
7730 *
7731 * TODO :
7732 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7733 *
7734 * Jean
7735 */
7736static void airo_read_wireless_stats(struct airo_info *local)
7737{
7738 StatusRid status_rid;
7739 StatsRid stats_rid;
7740 CapabilityRid cap_rid;
a23ace5f 7741 __le32 *vals = stats_rid.vals;
1da177e4
LT
7742
7743 /* Get stats out of the card */
3c304956 7744 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7745 if (local->power.event) {
1da177e4
LT
7746 up(&local->sem);
7747 return;
7748 }
7749 readCapabilityRid(local, &cap_rid, 0);
7750 readStatusRid(local, &status_rid, 0);
7751 readStatsRid(local, &stats_rid, RID_STATS, 0);
7752 up(&local->sem);
7753
7754 /* The status */
329e2c00 7755 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7756
41480af2
DW
7757 /* Signal quality and co */
7758 if (local->rssi) {
329e2c00
AV
7759 local->wstats.qual.level =
7760 airo_rssi_to_dbm(local->rssi,
7761 le16_to_cpu(status_rid.sigQuality));
41480af2 7762 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV
7763 local->wstats.qual.qual =
7764 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7765 } else {
329e2c00
AV
7766 local->wstats.qual.level =
7767 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW
7768 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7769 }
329e2c00 7770 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7771 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7772 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT
7773 } else {
7774 local->wstats.qual.noise = 0;
ce6623c3 7775 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT
7776 }
7777
7778 /* Packets discarded in the wireless adapter due to wireless
7779 * specific problems */
a23ace5f
AV
7780 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7781 le32_to_cpu(vals[57]) +
7782 le32_to_cpu(vals[58]); /* SSID Mismatch */
7783 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7784 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7785 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7786 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7787 le32_to_cpu(vals[32]);
7788 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT
7789}
7790
ff1d2767 7791static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7792{
faf3994a 7793 struct airo_info *local = dev->ml_priv;
1da177e4 7794
3c304956 7795 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT
7796 /* Get stats out of the card if available */
7797 if (down_trylock(&local->sem) != 0) {
3c304956 7798 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT
7799 wake_up_interruptible(&local->thr_wait);
7800 } else
7801 airo_read_wireless_stats(local);
7802 }
7803
7804 return &local->wstats;
7805}
1da177e4
LT
7806
7807#ifdef CISCO_EXT
7808/*
7809 * This just translates from driver IOCTL codes to the command codes to
7810 * feed to the radio's host interface. Things can be added/deleted
7811 * as needed. This represents the READ side of control I/O to
7812 * the card
7813 */
7814static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7815 unsigned short ridcode;
7816 unsigned char *iobuf;
7817 int len;
faf3994a 7818 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
7819
7820 if (test_bit(FLAG_FLASHING, &ai->flags))
7821 return -EIO;
7822
7823 switch(comp->command)
7824 {
7825 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7826 case AIROGCFG: ridcode = RID_CONFIG;
7827 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7828 disable_MAC (ai, 1);
7829 writeConfigRid (ai, 1);
175ec1a1 7830 enable_MAC(ai, 1);
1da177e4
LT
7831 }
7832 break;
7833 case AIROGSLIST: ridcode = RID_SSID; break;
7834 case AIROGVLIST: ridcode = RID_APLIST; break;
7835 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7836 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7837 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7838 /* Only super-user can read WEP keys */
7839 if (!capable(CAP_NET_ADMIN))
7840 return -EPERM;
7841 break;
7842 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7843 /* Only super-user can read WEP keys */
7844 if (!capable(CAP_NET_ADMIN))
7845 return -EPERM;
7846 break;
7847 case AIROGSTAT: ridcode = RID_STATUS; break;
7848 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7849 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT
7850 case AIROGMICSTATS:
7851 if (copy_to_user(comp->data, &ai->micstats,
7852 min((int)comp->len,(int)sizeof(ai->micstats))))
7853 return -EFAULT;
7854 return 0;
1da177e4
LT
7855 case AIRORRID: ridcode = comp->ridnum; break;
7856 default:
7857 return -EINVAL;
7858 break;
7859 }
7860
7861 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7862 return -ENOMEM;
7863
7864 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7865 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7866 * then return it to the user
7867 * 9/22/2000 Honor user given length
7868 */
7869 len = comp->len;
7870
7871 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7872 kfree (iobuf);
7873 return -EFAULT;
7874 }
7875 kfree (iobuf);
7876 return 0;
7877}
7878
7879/*
7880 * Danger Will Robinson write the rids here
7881 */
7882
7883static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7884 struct airo_info *ai = dev->ml_priv;
1da177e4 7885 int ridcode;
1da177e4 7886 int enabled;
1da177e4
LT
7887 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7888 unsigned char *iobuf;
7889
7890 /* Only super-user can write RIDs */
7891 if (!capable(CAP_NET_ADMIN))
7892 return -EPERM;
7893
7894 if (test_bit(FLAG_FLASHING, &ai->flags))
7895 return -EIO;
7896
7897 ridcode = 0;
7898 writer = do_writerid;
7899
7900 switch(comp->command)
7901 {
7902 case AIROPSIDS: ridcode = RID_SSID; break;
7903 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7904 case AIROPAPLIST: ridcode = RID_APLIST; break;
7905 case AIROPCFG: ai->config.len = 0;
7906 clear_bit(FLAG_COMMIT, &ai->flags);
7907 ridcode = RID_CONFIG; break;
7908 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7909 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7910 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7911 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7912 break;
7913 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7914 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7915
7916 /* this is not really a rid but a command given to the card
7917 * same with MAC off
7918 */
7919 case AIROPMACON:
175ec1a1 7920 if (enable_MAC(ai, 1) != 0)
1da177e4
LT
7921 return -EIO;
7922 return 0;
7923
7924 /*
7925 * Evidently this code in the airo driver does not get a symbol
7926 * as disable_MAC. it's probably so short the compiler does not gen one.
7927 */
7928 case AIROPMACOFF:
7929 disable_MAC(ai, 1);
7930 return 0;
7931
7932 /* This command merely clears the counts does not actually store any data
7933 * only reads rid. But as it changes the cards state, I put it in the
7934 * writerid routines.
7935 */
7936 case AIROPSTCLR:
7937 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7938 return -ENOMEM;
7939
7940 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7941
1da177e4
LT
7942 enabled = ai->micstats.enabled;
7943 memset(&ai->micstats,0,sizeof(ai->micstats));
7944 ai->micstats.enabled = enabled;
1da177e4
LT
7945
7946 if (copy_to_user(comp->data, iobuf,
7947 min((int)comp->len, (int)RIDSIZE))) {
7948 kfree (iobuf);
7949 return -EFAULT;
7950 }
7951 kfree (iobuf);
7952 return 0;
7953
7954 default:
7955 return -EOPNOTSUPP; /* Blarg! */
7956 }
7957 if(comp->len > RIDSIZE)
7958 return -EINVAL;
7959
7960 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7961 return -ENOMEM;
7962
7963 if (copy_from_user(iobuf,comp->data,comp->len)) {
7964 kfree (iobuf);
7965 return -EFAULT;
7966 }
7967
7968 if (comp->command == AIROPCFG) {
7969 ConfigRid *cfg = (ConfigRid *)iobuf;
7970
7971 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7972 cfg->opmode |= MODE_MIC;
1da177e4 7973
3eb9b41f 7974 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT
7975 set_bit (FLAG_ADHOC, &ai->flags);
7976 else
7977 clear_bit (FLAG_ADHOC, &ai->flags);
7978 }
7979
7980 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7981 kfree (iobuf);
7982 return -EIO;
7983 }
7984 kfree (iobuf);
7985 return 0;
7986}
7987
7988/*****************************************************************************
7989 * Ancillary flash / mod functions much black magic lurkes here *
7990 *****************************************************************************
7991 */
7992
7993/*
7994 * Flash command switch table
7995 */
7996
ff1d2767 7997static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7998 int z;
1da177e4
LT
7999
8000 /* Only super-user can modify flash */
8001 if (!capable(CAP_NET_ADMIN))
8002 return -EPERM;
8003
8004 switch(comp->command)
8005 {
8006 case AIROFLSHRST:
faf3994a 8007 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT
8008
8009 case AIROFLSHSTFL:
faf3994a
WC
8010 if (!AIRO_FLASH(dev) &&
8011 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 8012 return -ENOMEM;
faf3994a 8013 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT
8014
8015 case AIROFLSHGCHR: /* Get char from aux */
8016 if(comp->len != sizeof(int))
8017 return -EINVAL;
8018 if (copy_from_user(&z,comp->data,comp->len))
8019 return -EFAULT;
faf3994a 8020 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT
8021
8022 case AIROFLSHPCHR: /* Send char to card. */
8023 if(comp->len != sizeof(int))
8024 return -EINVAL;
8025 if (copy_from_user(&z,comp->data,comp->len))
8026 return -EFAULT;
faf3994a 8027 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT
8028
8029 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 8030 if (!AIRO_FLASH(dev))
1da177e4
LT
8031 return -ENOMEM;
8032 if(comp->len > FLASHSIZE)
8033 return -EINVAL;
faf3994a 8034 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT
8035 return -EFAULT;
8036
faf3994a 8037 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT
8038 return 0;
8039
8040 case AIRORESTART:
faf3994a 8041 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT
8042 return -EIO;
8043 return 0;
8044 }
8045 return -EINVAL;
8046}
8047
8048#define FLASH_COMMAND 0x7e7e
8049
8050/*
8051 * STEP 1)
8052 * Disable MAC and do soft reset on
8053 * card.
8054 */
8055
ff1d2767 8056static int cmdreset(struct airo_info *ai) {
1da177e4
LT
8057 disable_MAC(ai, 1);
8058
8059 if(!waitbusy (ai)){
934d8bf1 8060 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT
8061 return -EBUSY;
8062 }
8063
8064 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8065
8066 ssleep(1); /* WAS 600 12/7/00 */
8067
8068 if(!waitbusy (ai)){
934d8bf1 8069 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT
8070 return -EBUSY;
8071 }
8072 return 0;
8073}
8074
8075/* STEP 2)
8076 * Put the card in legendary flash
8077 * mode
8078 */
8079
ff1d2767 8080static int setflashmode (struct airo_info *ai) {
1da177e4
LT
8081 set_bit (FLAG_FLASHING, &ai->flags);
8082
8083 OUT4500(ai, SWS0, FLASH_COMMAND);
8084 OUT4500(ai, SWS1, FLASH_COMMAND);
8085 if (probe) {
8086 OUT4500(ai, SWS0, FLASH_COMMAND);
8087 OUT4500(ai, COMMAND,0x10);
8088 } else {
8089 OUT4500(ai, SWS2, FLASH_COMMAND);
8090 OUT4500(ai, SWS3, FLASH_COMMAND);
8091 OUT4500(ai, COMMAND,0);
8092 }
8093 msleep(500); /* 500ms delay */
8094
8095 if(!waitbusy(ai)) {
8096 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8097 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT
8098 return -EIO;
8099 }
8100 return 0;
8101}
8102
8103/* Put character to SWS0 wait for dwelltime
8104 * x 50us for echo .
8105 */
8106
ff1d2767 8107static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT
8108 int echo;
8109 int waittime;
8110
8111 byte |= 0x8000;
8112
8113 if(dwelltime == 0 )
8114 dwelltime = 200;
8115
8116 waittime=dwelltime;
8117
8118 /* Wait for busy bit d15 to go false indicating buffer empty */
8119 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8120 udelay (50);
8121 waittime -= 50;
8122 }
8123
8124 /* timeout for busy clear wait */
8125 if(waittime <= 0 ){
934d8bf1 8126 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT
8127 return -EBUSY;
8128 }
8129
8130 /* Port is clear now write byte and wait for it to echo back */
8131 do {
8132 OUT4500(ai,SWS0,byte);
8133 udelay(50);
8134 dwelltime -= 50;
8135 echo = IN4500(ai,SWS1);
8136 } while (dwelltime >= 0 && echo != byte);
8137
8138 OUT4500(ai,SWS1,0);
8139
8140 return (echo == byte) ? 0 : -EIO;
8141}
8142
8143/*
8144 * Get a character from the card matching matchbyte
8145 * Step 3)
8146 */
ff1d2767 8147static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT
8148 int rchar;
8149 unsigned char rbyte=0;
8150
8151 do {
8152 rchar = IN4500(ai,SWS1);
8153
8154 if(dwelltime && !(0x8000 & rchar)){
8155 dwelltime -= 10;
8156 mdelay(10);
8157 continue;
8158 }
8159 rbyte = 0xff & rchar;
8160
8161 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8162 OUT4500(ai,SWS1,0);
8163 return 0;
8164 }
8165 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8166 break;
8167 OUT4500(ai,SWS1,0);
8168
8169 }while(dwelltime > 0);
8170 return -EIO;
8171}
8172
8173/*
8174 * Transfer 32k of firmware data from user buffer to our buffer and
8175 * send to the card
8176 */
8177
ff1d2767 8178static int flashputbuf(struct airo_info *ai){
1da177e4
LT
8179 int nwords;
8180
8181 /* Write stuff */
8182 if (test_bit(FLAG_MPI,&ai->flags))
8183 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8184 else {
8185 OUT4500(ai,AUXPAGE,0x100);
8186 OUT4500(ai,AUXOFF,0);
8187
8188 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8189 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8190 }
8191 }
8192 OUT4500(ai,SWS0,0x8000);
8193
8194 return 0;
8195}
8196
8197/*
8198 *
8199 */
ff1d2767 8200static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT
8201 int i,status;
8202
8203 ssleep(1); /* Added 12/7/00 */
8204 clear_bit (FLAG_FLASHING, &ai->flags);
8205 if (test_bit(FLAG_MPI, &ai->flags)) {
8206 status = mpi_init_descriptors(ai);
8207 if (status != SUCCESS)
8208 return status;
8209 }
8210 status = setup_card(ai, dev->dev_addr, 1);
8211
8212 if (!test_bit(FLAG_MPI,&ai->flags))
8213 for( i = 0; i < MAX_FIDS; i++ ) {
8214 ai->fids[i] = transmit_allocate
15db2763 8215 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT
8216 }
8217
8218 ssleep(1); /* Added 12/7/00 */
8219 return status;
8220}
8221#endif /* CISCO_EXT */
8222
8223/*
8224 This program is free software; you can redistribute it and/or
8225 modify it under the terms of the GNU General Public License
8226 as published by the Free Software Foundation; either version 2
8227 of the License, or (at your option) any later version.
8228
8229 This program is distributed in the hope that it will be useful,
8230 but WITHOUT ANY WARRANTY; without even the implied warranty of
8231 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8232 GNU General Public License for more details.
8233
8234 In addition:
8235
8236 Redistribution and use in source and binary forms, with or without
8237 modification, are permitted provided that the following conditions
8238 are met:
8239
8240 1. Redistributions of source code must retain the above copyright
8241 notice, this list of conditions and the following disclaimer.
8242 2. Redistributions in binary form must reproduce the above copyright
8243 notice, this list of conditions and the following disclaimer in the
8244 documentation and/or other materials provided with the distribution.
8245 3. The name of the author may not be used to endorse or promote
8246 products derived from this software without specific prior written
8247 permission.
8248
8249 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8250 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8251 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8252 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8253 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8254 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8255 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8256 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8257 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8258 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8259 POSSIBILITY OF SUCH DAMAGE.
8260*/
8261
8262module_init(airo_init_module);
8263module_exit(airo_cleanup_module);