Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
[deliverable/linux.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT
1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT
28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4 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,
04bfffb8 81 .remove = airo_pci_remove,
1da177e4
LT
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 89#define WIRELESS_SPY /* enable iwspy support */
1da177e4 90
e292c737 91#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
1da177e4
LT
96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
7a374d8e 106static const char *statsLabels[] = {
1da177e4
LT
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
1da177e4
LT
218static char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
1efa29cd 234static kuid_t proc_kuid;
1da177e4
LT
235static int proc_uid /* = 0 */;
236
1efa29cd 237static kgid_t proc_kgid;
1da177e4
LT
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
85ee7a1d
JP
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
1da177e4
LT
247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
1da177e4
LT
251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
85ee7a1d
JP
254MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
1da177e4 258module_param(aux_bap, int, 0);
85ee7a1d
JP
259MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
1da177e4 262module_param(maxencrypt, int, 0);
85ee7a1d
JP
263MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
1da177e4
LT
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
e292c737 285static int do8bitIO /* = 0 */;
1da177e4
LT
286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
e292c737
PM
402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT
404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
3c304956
DW
476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT
478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
1da177e4
LT
499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
99590ffe
DW
501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
4293ea33
AV
503 __le16 len;
504 __le16 kindex;
1da177e4 505 u8 mac[ETH_ALEN];
4293ea33 506 __le16 klen;
1da177e4 507 u8 key[16];
ba2d3587 508} __packed;
1da177e4
LT
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW
511typedef struct Ssid Ssid;
512struct Ssid {
0dd2212f 513 __le16 len;
1da177e4 514 u8 ssid[32];
ba2d3587 515} __packed;
1da177e4 516
99590ffe
DW
517typedef struct SsidRid SsidRid;
518struct SsidRid {
0dd2212f 519 __le16 len;
1da177e4 520 Ssid ssids[3];
ba2d3587 521} __packed;
1da177e4 522
99590ffe
DW
523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
3eb9b41f
AV
525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
ba2d3587 530} __packed;
1da177e4 531
99590ffe
DW
532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
3eb9b41f
AV
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
1da177e4
LT
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
3eb9b41f
AV
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
1da177e4 575 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV
576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
1da177e4 600 /*---------- Power save operation ----------*/
3eb9b41f
AV
601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
1da177e4 611 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
1da177e4 620 /*---------- Radio configuration ----------*/
3eb9b41f
AV
621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT
625 u8 rxDiversity;
626 u8 txDiversity;
3eb9b41f 627 __le16 txPower;
1da177e4 628#define TXPOWER_DEFAULT 0
3eb9b41f 629 __le16 rssiThreshold;
1da177e4 630#define RSSI_DEFAULT 0
3eb9b41f
AV
631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
1da177e4
LT
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
3eb9b41f
AV
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
1da177e4
LT
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
3eb9b41f 653 __le16 autoWake;
ba2d3587 654} __packed;
1da177e4 655
99590ffe
DW
656typedef struct StatusRid StatusRid;
657struct StatusRid {
329e2c00 658 __le16 len;
1da177e4 659 u8 mac[ETH_ALEN];
329e2c00
AV
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
1da177e4
LT
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
329e2c00
AV
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
1da177e4
LT
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 689 __le16 load;
1da177e4 690 u8 carrier[4];
329e2c00 691 __le16 assocStatus;
1da177e4
LT
692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
ba2d3587 713} __packed;
1da177e4 714
99590ffe
DW
715typedef struct StatsRid StatsRid;
716struct StatsRid {
a23ace5f
AV
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
ba2d3587 720} __packed;
1da177e4 721
99590ffe
DW
722typedef struct APListRid APListRid;
723struct APListRid {
a749716e 724 __le16 len;
1da177e4 725 u8 ap[4][ETH_ALEN];
ba2d3587 726} __packed;
1da177e4 727
99590ffe
DW
728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
56d81bd3 730 __le16 len;
1da177e4
LT
731 char oui[3];
732 char zero;
56d81bd3 733 __le16 prodNum;
1da177e4
LT
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
56d81bd3
AV
739 __le16 radioType;
740 __le16 country;
1da177e4
LT
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
56d81bd3
AV
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
ba2d3587 756} __packed;
3c304956
DW
757
758/* Only present on firmware >= 5.30.17 */
99590ffe
DW
759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
17e70491 761 __le16 unknown[4];
3c304956
DW
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
ba2d3587 764} __packed;
3c304956 765
99590ffe
DW
766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
17e70491
AV
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT
770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 773 __le16 radioType;
1da177e4
LT
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
17e70491
AV
778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
1da177e4
LT
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
17e70491 787 __le16 dwell;
1da177e4
LT
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
17e70491
AV
793 __le16 dsChannel;
794 __le16 atimWindow;
3c304956
DW
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
ba2d3587 798} __packed;
1da177e4 799
9e75af30
DW
800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
99590ffe
DW
805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
1da177e4
LT
807 u8 rssipct;
808 u8 rssidBm;
ba2d3587 809} __packed;
1da177e4 810
99590ffe
DW
811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
1da177e4
LT
813 u16 len;
814 tdsRssiEntry x[256];
ba2d3587 815} __packed;
1da177e4 816
99590ffe
DW
817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
1da177e4 822 u8 multicast[16];
99590ffe 823 __le16 unicastValid;
1da177e4 824 u8 unicast[16];
ba2d3587 825} __packed;
1da177e4 826
99590ffe
DW
827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
593c2b9c 829 __be16 typelen;
1da177e4
LT
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
593c2b9c
AV
841 __be32 mic;
842 __be32 seq;
ba2d3587 843} __packed;
1da177e4
LT
844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
1da177e4
LT
850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
7a374d8e 934static const char swversion[] = "2.1";
1da177e4
LT
935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 940#define AIRO_DEF_MTU 2312
1da177e4
LT
941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
593c2b9c 959 __be32 d32;
1da177e4
LT
960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
f55d4517
DW
992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
ba2d3587 998} __packed;
f55d4517 999
1da177e4
LT
1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
ff1d2767 1083static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1da177e4
LT
1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1da177e4
LT
1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1da177e4
LT
1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1108static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT
1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1115 int whichbap);
b8c06bc1 1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1117 int whichbap);
b8c06bc1 1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT
1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
7d12e780 1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT
1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1141static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT
1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1146#endif /* CISCO_EXT */
1da177e4
LT
1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
41480af2
DW
1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
9e75af30
DW
1155static void airo_networks_free(struct airo_info *ai);
1156
1da177e4 1157struct airo_info {
1da177e4 1158 struct net_device *dev;
af5b5c9a 1159 struct list_head dev_list;
1da177e4
LT
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
9e05a2df 1164 u32 fids[MAX_FIDS];
1da177e4
LT
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1da177e4
LT
1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
3c304956 1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT
1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
3c304956
DW
1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
b8c06bc1 1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
3b4c7d64
SB
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1da177e4 1206 struct semaphore sem;
1da177e4 1207 wait_queue_head_t thr_wait;
1da177e4
LT
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1da177e4 1214 struct iw_statistics wstats; // wireless stats
9e75af30 1215 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1da177e4 1218 /* MIC stuff */
f12cc209 1219 struct crypto_cipher *tfm;
1da177e4
LT
1220 mic_module mod[2];
1221 mic_statistics micstats;
1da177e4
LT
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1cc68ae0 1232 pm_message_t power;
1da177e4
LT
1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
9e75af30 1237
138c0c68
DW
1238 int wep_capable;
1239 int max_wep_idx;
1240
3c304956
DW
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
9e75af30
DW
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1da177e4
LT
1249};
1250
b8c06bc1
AV
1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1da177e4
LT
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
ff1d2767
JM
1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
934d8bf1 1268#define airo_print(type, name, fmt, args...) \
1138c37b 1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW
1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
faf3994a 1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1284
1da177e4
LT
1285/***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX
1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
ff1d2767
JM
1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1298
018697d1
DW
1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1da177e4
LT
1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
3c304956 1328 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
018697d1
DW
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1da177e4
LT
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
018697d1
DW
1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1da177e4
LT
1352 }
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
f12cc209 1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1362
f12cc209 1363 if (IS_ERR(ai->tfm)) {
934d8bf1 1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1365 ai->tfm = NULL;
1da177e4
LT
1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
7a374d8e 1376static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT
1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
f4739840 1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1da177e4
LT
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
f4739840 1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1da177e4
LT
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
f12cc209
HX
1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1da177e4
LT
1633{
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1da177e4
LT
1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
e7c04fd3 1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
f12cc209
HX
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
e7c04fd3 1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT
1654 j += 4;
1655 }
1656 }
1657}
1658
1659/* prepare for calculation of a new mic */
ff1d2767 1660static void emmh32_init(emmh32_context *context)
1da177e4
LT
1661{
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
ff1d2767 1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT
1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
593c2b9c 1686 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT
1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
593c2b9c 1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT
1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
ff1d2767 1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT
1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
593c2b9c 1724 val = ntohl(context->part.d32);
1da177e4
LT
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1da177e4
LT
1742
1743static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV
1744 BSSListRid *list)
1745{
3c304956
DW
1746 Cmd cmd;
1747 Resp rsp;
1da177e4
LT
1748
1749 if (first == 1) {
3c304956
DW
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
3b4c7d64 1755 ai->list_bss_task = current;
3c304956
DW
1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
3b4c7d64
SB
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
3c304956 1761 }
17e70491 1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1763 list, ai->bssListRidLen, 1);
1da177e4
LT
1764}
1765
4293ea33
AV
1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1769 wkr, sizeof(*wkr), lock);
1da177e4 1770}
1da177e4 1771
4293ea33
AV
1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1778 if (perm) {
4293ea33
AV
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
934d8bf1 1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT
1782 }
1783 return rc;
1784}
1785
0dd2212f
AV
1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1789}
1da177e4 1790
0dd2212f
AV
1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1794}
0dd2212f 1795
3eb9b41f
AV
1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1da177e4 1798 int rc;
1da177e4
LT
1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1da177e4
LT
1808 ai->config = cfg;
1809 return SUCCESS;
1810}
3eb9b41f
AV
1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1da177e4
LT
1814 int i;
1815/* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
3eb9b41f
AV
1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1da177e4
LT
1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
3eb9b41f 1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT
1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1da177e4
LT
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1da177e4 1844
329e2c00
AV
1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1848}
a749716e
AV
1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1853}
a749716e
AV
1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1858}
1da177e4 1859
56d81bd3
AV
1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1863}
1da177e4 1864
a23ace5f
AV
1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT
1868}
1869
1c2b7db8
MS
1870static void try_auto_wep(struct airo_info *ai)
1871{
e9a8e8ec 1872 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1c2b7db8
MS
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1da177e4 1878static int airo_open(struct net_device *dev) {
faf3994a 1879 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1880 int rc = 0;
1da177e4 1881
1c2b7db8 1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT
1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
25985edc 1888 * those changes are not yet committed, do it now - Jean II */
1c2b7db8
MS
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1da177e4
LT
1892 }
1893
1c2b7db8
MS
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
f170168b
KC
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1897 dev->name);
1c2b7db8
MS
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
1da177e4 1912 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1da177e4 1917 }
175ec1a1 1918 enable_MAC(ai, 1);
1da177e4
LT
1919
1920 netif_start_queue(dev);
1921 return 0;
1922}
1923
d0cf9c0d
SH
1924static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926{
1da177e4
LT
1927 int npacks, pending;
1928 unsigned long flags;
faf3994a 1929 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
1930
1931 if (!skb) {
c94c93da 1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
6ed10654 1933 return NETDEV_TX_OK;
1da177e4
LT
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
5d9276da 1940 dev->stats.tx_fifo_errors++;
5b548140 1941 return NETDEV_TX_BUSY;
1da177e4
LT
1942 }
1943 skb_queue_tail (&ai->txq, skb);
6ed10654 1944 return NETDEV_TX_OK;
1da177e4
LT
1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
6ed10654 1957 return NETDEV_TX_OK;
1da177e4
LT
1958}
1959
1960/*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967static int mpi_send_packet (struct net_device *dev)
1968{
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
593c2b9c
AV
1971 s16 len;
1972 __le16 *payloadLen;
faf3994a 1973 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
79ea13ce 1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
c94c93da 1981 __func__);
1da177e4
LT
1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994/*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
25985edc 1997 * is immediately after it. ------------------------------------------------
1da177e4
LT
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2c208890 2002 memcpy(ai->txfids[0].virtual_host_addr,
1da177e4
LT
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
593c2b9c 2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
25985edc 2011 * Firmware automatically puts 802 header on so
1da177e4
LT
2012 * we don't need to account for it in the length
2013 */
1da177e4 2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT
2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2030 } else {
1da177e4
LT
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046}
2047
29b09fcc 2048static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2049{
593c2b9c 2050 __le16 status;
1da177e4
LT
2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2060 ai->dev->stats.tx_aborted_errors++;
1da177e4 2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2062 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2066 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT
2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097}
2098
2099static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
faf3994a 2102 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
3c304956 2107 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
5d9276da 2118 dev->stats.tx_window_errors++;
1da177e4
LT
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123}
2124
d0cf9c0d
SH
2125static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127{
1da177e4
LT
2128 s16 len;
2129 int i, j;
faf3994a 2130 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
c94c93da 2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2135 return NETDEV_TX_OK;
1da177e4
LT
2136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
5d9276da 2146 dev->stats.tx_fifo_errors++;
5b548140 2147 return NETDEV_TX_BUSY;
1da177e4
LT
2148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
3c304956 2159 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
6ed10654 2163 return NETDEV_TX_OK;
1da177e4
LT
2164}
2165
2166static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
faf3994a 2169 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
3c304956 2174 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
5d9276da 2185 dev->stats.tx_window_errors++;
1da177e4
LT
2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190}
2191
d0cf9c0d
SH
2192static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194{
1da177e4
LT
2195 s16 len;
2196 int i, j;
faf3994a 2197 struct airo_info *priv = dev->ml_priv;
1da177e4
LT
2198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
4153e775
PM
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
1da177e4
LT
2205 }
2206
2207 if ( skb == NULL ) {
c94c93da 2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2209 return NETDEV_TX_OK;
1da177e4
LT
2210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
5d9276da 2220 dev->stats.tx_fifo_errors++;
5b548140 2221 return NETDEV_TX_BUSY;
1da177e4
LT
2222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
3c304956 2233 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
6ed10654 2237 return NETDEV_TX_OK;
1da177e4
LT
2238}
2239
5d9276da 2240static void airo_read_stats(struct net_device *dev)
a23ace5f 2241{
faf3994a 2242 struct airo_info *ai = dev->ml_priv;
1da177e4 2243 StatsRid stats_rid;
a23ace5f 2244 __le32 *vals = stats_rid.vals;
1da177e4 2245
3c304956 2246 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2247 if (ai->power.event) {
1da177e4
LT
2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
5d9276da 2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2255 le32_to_cpu(vals[45]);
5d9276da 2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2257 le32_to_cpu(vals[41]);
5d9276da
PZ
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT
2266
2267 /* detailed rx_errors: */
5d9276da
PZ
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT
2272}
2273
ff1d2767 2274static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4 2275{
faf3994a 2276 struct airo_info *local = dev->ml_priv;
1da177e4 2277
3c304956 2278 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
3c304956 2281 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
5d9276da 2284 airo_read_stats(dev);
1da177e4
LT
2285 }
2286
5d9276da 2287 return &dev->stats;
1da177e4
LT
2288}
2289
2290static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
3c304956 2296 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300}
2301
2302static void airo_set_multicast_list(struct net_device *dev) {
faf3994a 2303 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
3c304956 2308 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
4cd24eaf 2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
1da177e4
LT
2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317}
2318
2319static int airo_set_mac_address(struct net_device *dev, void *p)
2320{
faf3994a 2321 struct airo_info *ai = dev->ml_priv;
1da177e4 2322 struct sockaddr *addr = p;
1da177e4
LT
2323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
175ec1a1 2329 enable_MAC(ai, 1);
1da177e4
LT
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334}
2335
2336static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337{
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342}
2343
af5b5c9a
MS
2344static LIST_HEAD(airo_devices);
2345
2346static void add_airo_dev(struct airo_info *ai)
2347{
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352}
2353
2354static void del_airo_dev(struct airo_info *ai)
2355{
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358}
1da177e4
LT
2359
2360static int airo_close(struct net_device *dev) {
faf3994a 2361 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366#ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374#endif
2375 disable_interrupts( ai );
1c2b7db8
MS
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
1da177e4
LT
2381 }
2382 return 0;
2383}
2384
1da177e4
LT
2385void stop_airo_card( struct net_device *dev, int freeres )
2386{
faf3994a 2387 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
1da177e4
LT
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
1da177e4
LT
2402 /*
2403 * Clean out tx queue
2404 */
b03efcfb 2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
9e75af30
DW
2411 airo_networks_free (ai);
2412
b4558ea9
JJ
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
1da177e4
LT
2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
f12cc209 2431 crypto_free_cipher(ai->tfm);
af5b5c9a 2432 del_airo_dev(ai);
1da177e4
LT
2433 free_netdev( dev );
2434}
2435
2436EXPORT_SYMBOL(stop_airo_card);
2437
b95cce35 2438static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2439{
98e399f8 2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT
2441 return ETH_ALEN;
2442}
2443
2444static void mpi_unmap_card(struct pci_dev *pci)
2445{
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453}
2454
2455/*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462static int mpi_init_descriptors (struct airo_info *ai)
2463{
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
934d8bf1 2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT
2482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
934d8bf1 2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT
2510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
934d8bf1 2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT
2524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531}
2532
2533/*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
25985edc 2536 * 2) Map PCI memory for issuing commands.
1da177e4
LT
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
1138c37b 2539static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT
2540{
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2759c8d5
JG
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
1da177e4
LT
2546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
1138c37b
MS
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
1da177e4
LT
2556 goto out;
2557 }
1138c37b
MS
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
1da177e4
LT
2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
1138c37b
MS
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
1da177e4
LT
2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
1138c37b
MS
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
1da177e4
LT
2574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
1138c37b
MS
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
1da177e4
LT
2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2759c8d5 2588 busaddroff = ai->shared_dma;
1da177e4
LT
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
1da177e4
LT
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651}
2652
3b04ddde
SH
2653static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655};
2656
7ae41cc3
SH
2657static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665};
2666
1da177e4
LT
2667static void wifi_setup(struct net_device *dev)
2668{
7ae41cc3 2669 dev->netdev_ops = &airo11_netdev_ops;
3b04ddde 2670 dev->header_ops = &airo_header_ops;
1da177e4 2671 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT
2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
15db2763 2675 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682}
2683
2684static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686{
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
faf3994a 2691 dev->ml_priv = ethdev->ml_priv;
1da177e4
LT
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
1da177e4 2694 dev->wireless_data = ethdev->wireless_data;
229ce3ab 2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
252352cb 2696 eth_hw_addr_inherit(dev, ethdev);
1da177e4
LT
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703}
2704
ff1d2767 2705static int reset_card( struct net_device *dev , int lock) {
faf3994a 2706 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718}
2719
3c304956 2720#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW
2721static int airo_networks_allocate(struct airo_info *ai)
2722{
2723 if (ai->networks)
2724 return 0;
2725
baeb2ffa
JP
2726 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2727 GFP_KERNEL);
9e75af30 2728 if (!ai->networks) {
1138c37b 2729 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW
2730 return -ENOMEM;
2731 }
2732
2733 return 0;
2734}
2735
2736static void airo_networks_free(struct airo_info *ai)
2737{
9e75af30
DW
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2740}
2741
2742static void airo_networks_initialize(struct airo_info *ai)
2743{
2744 int i;
2745
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
3c304956 2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2751}
2752
7ae41cc3
SH
2753static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
afc4b13d 2758 .ndo_set_rx_mode = airo_set_multicast_list,
7ae41cc3
SH
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH
2762 .ndo_validate_addr = eth_validate_addr,
2763};
2764
2765static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
afc4b13d 2770 .ndo_set_rx_mode = airo_set_multicast_list,
7ae41cc3
SH
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH
2774 .ndo_validate_addr = eth_validate_addr,
2775};
2776
2777
ff1d2767
JM
2778static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
1da177e4
LT
2781{
2782 struct net_device *dev;
2783 struct airo_info *ai;
2784 int i, rc;
f65b56d6 2785 CapabilityRid cap_rid;
1da177e4
LT
2786
2787 /* Create the network device object. */
1138c37b
MS
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2789 if (!dev) {
934d8bf1 2790 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2791 return NULL;
1da177e4
LT
2792 }
2793
faf3994a 2794 ai = dev->ml_priv = netdev_priv(dev);
1da177e4 2795 ai->wifidev = NULL;
fb038c27 2796 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2797 ai->jobs = 0;
934d8bf1 2798 ai->dev = dev;
1da177e4 2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2800 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT
2801 set_bit(FLAG_MPI, &ai->flags);
2802 }
1da177e4
LT
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2805 ai->config.len = 0;
2806 ai->pci = pci;
2807 init_waitqueue_head (&ai->thr_wait);
1da177e4 2808 ai->tfm = NULL;
af5b5c9a 2809 add_airo_dev(ai);
1da177e4 2810
9e75af30 2811 if (airo_networks_allocate (ai))
1c2b7db8 2812 goto err_out_free;
9e75af30
DW
2813 airo_networks_initialize (ai);
2814
7ae41cc3
SH
2815 skb_queue_head_init (&ai->txq);
2816
1da177e4 2817 /* The Airo-specific entries in the device structure. */
7ae41cc3
SH
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2820 else
2821 dev->netdev_ops = &airo_netdev_ops;
1da177e4
LT
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
1da177e4
LT
2825 dev->irq = irq;
2826 dev->base_addr = port;
550fd08c 2827 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
1da177e4
LT
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
1d97f384
MC
2831 reset_card (dev, 1);
2832 msleep(400);
1da177e4 2833
1da177e4 2834 if (!is_pcmcia) {
1138c37b 2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2836 rc = -EBUSY;
934d8bf1 2837 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2838 goto err_out_nets;
1da177e4
LT
2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
1da177e4
LT
2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
f65b56d6 2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
934d8bf1 2851 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT
2852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
f65b56d6
DW
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2869
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
138c0c68
DW
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
f65b56d6 2878
f3a981ff 2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
f65b56d6
DW
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
3c304956 2884 /* Test for WPA support */
f65b56d6
DW
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
3c304956
DW
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
f65b56d6
DW
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
3c304956
DW
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
1da177e4 2904 set_bit(FLAG_REGISTERED,&ai->flags);
e174961c 2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2911
faf3994a 2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
431aca5a
FM
2913 goto err_out_wifi;
2914
1da177e4
LT
2915 return dev;
2916
431aca5a
FM
2917err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920err_out_reg:
2921 unregister_netdev(dev);
1da177e4
LT
2922err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
4d881901
MS
2932err_out_nets:
2933 airo_networks_free(ai);
1da177e4 2934err_out_free:
ff4bf917 2935 del_airo_dev(ai);
1da177e4
LT
2936 free_netdev(dev);
2937 return NULL;
2938}
2939
2940struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942{
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944}
2945
2946EXPORT_SYMBOL(init_airo_card);
2947
2948static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
b212f337 2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT
2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956}
2957
2958int reset_airo_card( struct net_device *dev )
2959{
2960 int i;
faf3994a 2961 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2967 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT
2968 return -1;
2969 }
e174961c 2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT
2975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979}
2980
2981EXPORT_SYMBOL(reset_airo_card);
2982
2983static void airo_send_event(struct net_device *dev) {
faf3994a 2984 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
3c304956 2988 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998}
2999
9e75af30
DW
3000static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3c304956 3002 BSSListRid bss;
9e75af30
DW
3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
3c304956 3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW
3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
17e70491 3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
3c304956 3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3c304956
DW
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
9e75af30
DW
3040 }
3041
3042out:
3043 ai->scan_timeout = 0;
3c304956 3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW
3045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057}
3058
1da177e4
LT
3059static int airo_thread(void *data) {
3060 struct net_device *dev = data;
faf3994a 3061 struct airo_info *ai = dev->ml_priv;
1da177e4 3062 int locked;
83144186
RW
3063
3064 set_freezable();
1da177e4 3065 while(1) {
1da177e4 3066 /* make swsusp happy with our thread */
3e1d1d28 3067 try_to_freeze();
1da177e4 3068
3c304956 3069 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT
3070 break;
3071
3c304956 3072 if (ai->jobs) {
1da177e4
LT
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3081 if (ai->jobs)
1da177e4 3082 break;
9e75af30
DW
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3c304956 3090 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT
3091 break;
3092 }
5bb85f18
DK
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
9e75af30
DW
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
1da177e4
LT
3104 continue;
3105 }
5bb85f18
DK
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
1da177e4
LT
3108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
3c304956 3121 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT
3122 up(&ai->sem);
3123 break;
3124 }
3125
ca078bae 3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT
3127 up(&ai->sem);
3128 continue;
3129 }
3130
3c304956 3131 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3132 airo_end_xmit(dev);
3c304956 3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3134 airo_end_xmit11(dev);
3c304956 3135 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3136 airo_read_stats(dev);
3c304956 3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3138 airo_read_wireless_stats(ai);
3c304956 3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3140 airo_set_promisc(ai);
3c304956 3141 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3142 micinit(ai);
3c304956 3143 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3144 airo_send_event(dev);
3c304956 3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3146 timer_func(dev);
3c304956 3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
1da177e4 3151 }
3b4c7d64
SB
3152
3153 return 0;
1da177e4
LT
3154}
3155
0300b332
AV
3156static int header_len(__le16 ctl)
3157{
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169}
3170
f55d4517 3171static void airo_handle_cisco_mic(struct airo_info *ai)
28fc1f5a 3172{
f55d4517
DW
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177}
3178
3179/* Airo Status codes */
3180#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189#define STAT_ASSOC 0x0400 /* Associated */
3190#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192static void airo_print_status(const char *devname, u16 status)
3193{
3194 u8 reason = status & 0xFF;
3195
3bc819e8 3196 switch (status & 0xFF00) {
f55d4517 3197 case STAT_NOBEACON:
3bc819e8 3198 switch (status) {
3199 case STAT_NOBEACON:
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3201 break;
3202 case STAT_MAXRETRIES:
3203 case STAT_MAXARL:
3204 airo_print_dbg(devname, "link lost (max retries)");
3205 break;
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3208 break;
3209 case STAT_TSFSYNC:
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3211 break;
3212 default:
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3214 break;
3215 }
f55d4517
DW
3216 break;
3217 case STAT_DEAUTH:
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3219 break;
3220 case STAT_DISASSOC:
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 break;
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3225 reason);
3226 break;
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3229 reason);
3230 break;
3bc819e8 3231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
f55d4517 3234 default:
3bc819e8 3235 airo_print_dbg(devname, "unknow status %x\n", status);
f55d4517
DW
3236 break;
3237 }
3238}
3239
3240static void airo_handle_link(struct airo_info *ai)
3241{
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
1da177e4 3244 u16 status;
f55d4517
DW
3245
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3249
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3251 scan_forceloss = 1;
3252
3253 airo_print_status(ai->dev->name, status);
3254
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3256 if (auto_wep)
3257 ai->expires = 0;
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3266 } else
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3278 }
3279}
3280
3281static void airo_handle_rx(struct airo_info *ai)
3282{
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3286 struct rx_hdr hdr;
3287 int success = 0;
3288
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3292 else
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3295 return;
3296 }
3297
3298 fid = IN4500(ai, RXFID);
3299
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3306 hdr.len = 0;
3307 if (ai->wifidev == NULL)
3308 hdr.len = 0;
3309 } else {
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3312 }
3313 len = le16_to_cpu(hdr.len);
3314
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3317 goto done;
3318 }
3319 if (len == 0)
3320 goto done;
3321
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3325 } else
3326 hdrlen = ETH_ALEN * 2;
3327
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 if (!skb) {
3330 ai->dev->stats.rx_dropped++;
3331 goto done;
3332 }
3333
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 buffer[0] = fc;
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 if (hdrlen == 24)
3340 bap_read(ai, tmpbuf, 6, BAP0);
3341
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3344 if (gap) {
3345 if (gap <= 8) {
3346 bap_read(ai, tmpbuf, gap, BAP0);
3347 } else {
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3350 }
3351 }
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3353 } else {
3354 MICBuffer micbuf;
3355
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3361 else {
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3364 goto done;
3365 }
3366
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3369 }
3370 }
3371
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3375 else
3376 success = 1;
3377 }
3378
3379#ifdef WIRELESS_SPY
3380 if (success && (ai->spy_data.spy_number > 0)) {
3381 char *sa;
3382 struct iw_quality wstats;
3383
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 } else
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3392 if (ai->rssi)
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 else
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3399 | IW_QUAL_DBM;
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3402 }
3403#endif /* WIRELESS_SPY */
3404
3405done:
3406 OUT4500(ai, EVACK, EV_RX);
3407
3408 if (success) {
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3414 } else
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 netif_rx(skb);
3419 }
3420}
3421
3422static void airo_handle_tx(struct airo_info *ai, u16 status)
3423{
3424 int i, len = 0, index = -1;
1da177e4 3425 u16 fid;
f55d4517
DW
3426
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3429
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3432
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3437 } else {
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3441 }
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3443 return;
3444 }
3445
3446 fid = IN4500(ai, TXCOMPLFID);
3447
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3451 index = i;
3452 }
3453 }
3454
3455 if (index != -1) {
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3458
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3466 } else {
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3469 }
3470 } else {
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3473 }
3474}
3475
3476static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477{
3478 struct net_device *dev = dev_id;
3479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
3481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
f55d4517
DW
3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
1da177e4
LT
3490
3491 handled = 1;
3492
f55d4517
DW
3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT
3496 }
3497
3498 if (!savedInterrupts) {
f55d4517
DW
3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
1da177e4
LT
3501 }
3502
f55d4517
DW
3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
1da177e4 3506 }
1da177e4 3507
f55d4517
DW
3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
1da177e4
LT
3511 }
3512
3513 /* Check to see if there is something to receive */
f55d4517
DW
3514 if (status & EV_RX)
3515 airo_handle_rx(ai);
1da177e4
LT
3516
3517 /* Check to see if a packet has been transmitted */
f55d4517
DW
3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
1da177e4 3520
f55d4517
DW
3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3523 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3524 }
1da177e4
LT
3525 }
3526
3527 if (savedInterrupts)
f55d4517 3528 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3529
1da177e4
LT
3530 return IRQ_RETVAL(handled);
3531}
3532
3533/*
3534 * Routines to talk to the card
3535 */
3536
3537/*
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3541 */
3542static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3544 reg <<= 1;
3545 if ( !do8bitIO )
3546 outw( val, ai->dev->base_addr + reg );
3547 else {
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3550 }
3551}
3552
3553static u16 IN4500( struct airo_info *ai, u16 reg ) {
3554 unsigned short rc;
3555
3556 if (test_bit(FLAG_MPI,&ai->flags))
3557 reg <<= 1;
3558 if ( !do8bitIO )
3559 rc = inw( ai->dev->base_addr + reg );
3560 else {
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3563 }
3564 return rc;
3565}
3566
175ec1a1
MS
3567static int enable_MAC(struct airo_info *ai, int lock)
3568{
1da177e4 3569 int rc;
175ec1a1
MS
3570 Cmd cmd;
3571 Resp rsp;
1da177e4
LT
3572
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3583
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
175ec1a1 3587 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT
3588 if (rc == SUCCESS)
3589 set_bit(FLAG_ENABLED, &ai->flags);
3590 } else
3591 rc = SUCCESS;
3592
3593 if (lock)
3594 up(&ai->sem);
3595
3596 if (rc)
175ec1a1
MS
3597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3601 rc = ERROR;
3602 }
1da177e4
LT
3603 return rc;
3604}
3605
3606static void disable_MAC( struct airo_info *ai, int lock ) {
3607 Cmd cmd;
3608 Resp rsp;
3609
3610 if (lock && down_interruptible(&ai->sem))
3611 return;
3612
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3618 }
3619 if (lock)
3620 up(&ai->sem);
3621}
3622
3623static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3626}
3627
3628static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3630}
3631
3632static void mpi_receive_802_3(struct airo_info *ai)
3633{
3634 RxFid rxd;
3635 int len = 0;
3636 struct sk_buff *skb;
3637 char *buffer;
1da177e4
LT
3638 int off = 0;
3639 MICBuffer micbuf;
1da177e4
LT
3640
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3644 len = rxd.len + 12;
3645 if (len < 12 || len > 2048)
3646 goto badrx;
3647
3648 skb = dev_alloc_skb(len);
3649 if (!skb) {
5d9276da 3650 ai->dev->stats.rx_dropped++;
1da177e4
LT
3651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
1da177e4
LT
3654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3656 memcpy(&micbuf,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 sizeof(micbuf));
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3661 goto badmic;
3662
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3665 }
3666 }
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671badmic:
3672 dev_kfree_skb_irq (skb);
3673 goto badrx;
3674 }
1da177e4
LT
3675#ifdef WIRELESS_SPY
3676 if (ai->spy_data.spy_number > 0) {
3677 char *sa;
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3682 wstats.level = 0;
3683 wstats.updated = 0;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687#endif /* WIRELESS_SPY */
3688
1da177e4
LT
3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT
3691 netif_rx(skb);
3692 }
3693badrx:
3694 if (rxd.valid == 0) {
3695 rxd.valid = 1;
3696 rxd.rdy = 0;
3697 rxd.len = PKTSIZE;
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3699 }
3700}
3701
2ed5ba89 3702static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT
3703{
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
0300b332
AV
3706 u16 len, hdrlen = 0;
3707 __le16 fc;
f55d4517 3708 struct rx_hdr hdr;
1da177e4
LT
3709 u16 gap;
3710 u16 *buffer;
f55d4517 3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT
3712
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 ptr += sizeof(hdr);
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3718 hdr.len = 0;
3719 if (ai->wifidev == NULL)
3720 hdr.len = 0;
3721 len = le16_to_cpu(hdr.len);
15db2763 3722 if (len > AIRO_DEF_MTU) {
934d8bf1 3723 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT
3724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
0300b332
AV
3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
1da177e4
LT
3731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
5d9276da 3734 ai->dev->stats.rx_dropped++;
1da177e4
LT
3735 goto badrx;
3736 }
3737 buffer = (u16*)skb_put (skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3739 ptr += hdrlen;
3740 if (hdrlen == 24)
3741 ptr += 6;
533dd1b0 3742 gap = get_unaligned_le16(ptr);
593c2b9c 3743 ptr += sizeof(__le16);
1da177e4
LT
3744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
934d8bf1
DW
3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
1da177e4
LT
3750 }
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 ptr += len;
3753#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3755 char *sa;
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3760 if (ai->rssi)
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 else
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW
3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3767 | IW_QUAL_DBM;
1da177e4
LT
3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771#endif /* IW_WIRELESS_SPY */
459a98ed 3772 skb_reset_mac_header(skb);
1da177e4
LT
3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT
3776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
f55d4517 3778
1da177e4
LT
3779badrx:
3780 if (rxd.valid == 0) {
3781 rxd.valid = 1;
3782 rxd.rdy = 0;
3783 rxd.len = PKTSIZE;
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 }
3786}
3787
3788static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3789{
3790 Cmd cmd;
3791 Resp rsp;
3792 int status;
1da177e4 3793 SsidRid mySsid;
4293ea33 3794 __le16 lastindex;
1da177e4
LT
3795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ
3799 kfree (ai->flash);
3800 ai->flash = NULL;
1da177e4
LT
3801
3802 /* The NOP is the first step in getting the card going */
3803 cmd.cmd = NOP;
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3806 return ERROR;
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3808 if (lock)
3809 up(&ai->sem);
3810 return ERROR;
3811 }
3812 disable_MAC( ai, 0);
3813
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 if (lock)
3819 up(&ai->sem);
934d8bf1 3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT
3821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
934d8bf1 3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT
3826 } else {
3827 ai->bap_read = aux_bap_read;
934d8bf1 3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT
3829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
49c4a5dc 3834 int i;
1da177e4
LT
3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
b4558ea9
JJ
3838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
1da177e4
LT
3842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3848
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT
3853 }
3854 else {
b4558ea9
JJ
3855 kfree(ai->rssi);
3856 ai->rssi = NULL;
56d81bd3 3857 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT
3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
934d8bf1
DW
3860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
1da177e4
LT
3862 }
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3866
56d81bd3 3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3869 micsetup(ai) == SUCCESS) {
1da177e4
LT
3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
1da177e4
LT
3873
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3877 }
3878
3879 /* Check to see if there are any insmod configured
3880 rates to add */
3881 if ( rates[0] ) {
1da177e4
LT
3882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3885 }
3886 }
1da177e4
LT
3887 set_bit (FLAG_COMMIT, &ai->flags);
3888 }
3889
3890 /* Setup the SSIDs if present */
3891 if ( ssids[0] ) {
3892 int i;
3893 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV
3894 size_t len = strlen(ssids[i]);
3895 if (len > 32)
3896 len = 32;
3897 mySsid.ssids[i].len = cpu_to_le16(len);
3898 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3899 }
0dd2212f 3900 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT
3901 }
3902
3903 status = writeConfigRid(ai, lock);
3904 if ( status != SUCCESS ) return ERROR;
3905
3906 /* Set up the SSID list */
3907 if ( ssids[0] ) {
3908 status = writeSsidRid(ai, &mySsid, lock);
3909 if ( status != SUCCESS ) return ERROR;
3910 }
3911
175ec1a1
MS
3912 status = enable_MAC(ai, lock);
3913 if (status != SUCCESS)
1da177e4 3914 return ERROR;
1da177e4
LT
3915
3916 /* Grab the initial wep key, we gotta save it for auto_wep */
3917 rc = readWepKeyRid(ai, &wkr, 1, lock);
3918 if (rc == SUCCESS) do {
3919 lastindex = wkr.kindex;
4293ea33 3920 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT
3921 ai->defindex = wkr.mac[0];
3922 }
3923 rc = readWepKeyRid(ai, &wkr, 0, lock);
3924 } while(lastindex != wkr.kindex);
3925
1c2b7db8 3926 try_auto_wep(ai);
1da177e4
LT
3927
3928 return SUCCESS;
3929}
3930
3931static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3932 // Im really paranoid about letting it run forever!
3933 int max_tries = 600000;
3934
3935 if (IN4500(ai, EVSTAT) & EV_CMD)
3936 OUT4500(ai, EVACK, EV_CMD);
3937
3938 OUT4500(ai, PARAM0, pCmd->parm0);
3939 OUT4500(ai, PARAM1, pCmd->parm1);
3940 OUT4500(ai, PARAM2, pCmd->parm2);
3941 OUT4500(ai, COMMAND, pCmd->cmd);
3942
3943 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3944 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3945 // PC4500 didn't notice command, try again
3946 OUT4500(ai, COMMAND, pCmd->cmd);
3947 if (!in_atomic() && (max_tries & 255) == 0)
3948 schedule();
3949 }
3950
3951 if ( max_tries == -1 ) {
934d8bf1 3952 airo_print_err(ai->dev->name,
25985edc 3953 "Max tries exceeded when issuing command");
1da177e4
LT
3954 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3956 return ERROR;
3957 }
3958
3959 // command completed
3960 pRsp->status = IN4500(ai, STATUS);
3961 pRsp->rsp0 = IN4500(ai, RESP0);
3962 pRsp->rsp1 = IN4500(ai, RESP1);
3963 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS
3964 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3965 airo_print_err(ai->dev->name,
3966 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3967 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3968 pRsp->rsp2);
1da177e4
LT
3969
3970 // clear stuck command busy if necessary
3971 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3972 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3973 }
3974 // acknowledge processing the status/response
3975 OUT4500(ai, EVACK, EV_CMD);
3976
3977 return SUCCESS;
3978}
3979
3980/* Sets up the bap to start exchange data. whichbap should
3981 * be one of the BAP0 or BAP1 defines. Locks should be held before
3982 * calling! */
3983static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3984{
3985 int timeout = 50;
3986 int max_tries = 3;
3987
3988 OUT4500(ai, SELECT0+whichbap, rid);
3989 OUT4500(ai, OFFSET0+whichbap, offset);
3990 while (1) {
3991 int status = IN4500(ai, OFFSET0+whichbap);
3992 if (status & BAP_BUSY) {
3993 /* This isn't really a timeout, but its kinda
3994 close */
3995 if (timeout--) {
3996 continue;
3997 }
3998 } else if ( status & BAP_ERR ) {
3999 /* invalid rid or offset */
934d8bf1 4000 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT
4001 status, whichbap );
4002 return ERROR;
4003 } else if (status & BAP_DONE) { // success
4004 return SUCCESS;
4005 }
4006 if ( !(max_tries--) ) {
934d8bf1 4007 airo_print_err(ai->dev->name,
1138c37b 4008 "BAP setup error too many retries\n");
1da177e4
LT
4009 return ERROR;
4010 }
4011 // -- PC4500 missed it, try again
4012 OUT4500(ai, SELECT0+whichbap, rid);
4013 OUT4500(ai, OFFSET0+whichbap, offset);
4014 timeout = 50;
4015 }
4016}
4017
4018/* should only be called by aux_bap_read. This aux function and the
4019 following use concepts not documented in the developers guide. I
4020 got them from a patch given to my by Aironet */
4021static u16 aux_setup(struct airo_info *ai, u16 page,
4022 u16 offset, u16 *len)
4023{
4024 u16 next;
4025
4026 OUT4500(ai, AUXPAGE, page);
4027 OUT4500(ai, AUXOFF, 0);
4028 next = IN4500(ai, AUXDATA);
4029 *len = IN4500(ai, AUXDATA)&0xff;
4030 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4031 return next;
4032}
4033
4034/* requires call to bap_setup() first */
b8c06bc1 4035static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT
4036 int bytelen, int whichbap)
4037{
4038 u16 len;
4039 u16 page;
4040 u16 offset;
4041 u16 next;
4042 int words;
4043 int i;
4044 unsigned long flags;
4045
4046 spin_lock_irqsave(&ai->aux_lock, flags);
4047 page = IN4500(ai, SWS0+whichbap);
4048 offset = IN4500(ai, SWS2+whichbap);
4049 next = aux_setup(ai, page, offset, &len);
4050 words = (bytelen+1)>>1;
4051
4052 for (i=0; i<words;) {
4053 int count;
4054 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4055 if ( !do8bitIO )
4056 insw( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i,count );
4058 else
4059 insb( ai->dev->base_addr+DATA0+whichbap,
4060 pu16Dst+i, count << 1 );
4061 i += count;
4062 if (i<words) {
4063 next = aux_setup(ai, next, 4, &len);
4064 }
4065 }
4066 spin_unlock_irqrestore(&ai->aux_lock, flags);
4067 return SUCCESS;
4068}
4069
4070
4071/* requires call to bap_setup() first */
b8c06bc1 4072static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT
4073 int bytelen, int whichbap)
4074{
4075 bytelen = (bytelen + 1) & (~1); // round up to even value
4076 if ( !do8bitIO )
4077 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4078 else
4079 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4080 return SUCCESS;
4081}
4082
4083/* requires call to bap_setup() first */
b8c06bc1 4084static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT
4085 int bytelen, int whichbap)
4086{
4087 bytelen = (bytelen + 1) & (~1); // round up to even value
4088 if ( !do8bitIO )
4089 outsw( ai->dev->base_addr+DATA0+whichbap,
4090 pu16Src, bytelen>>1 );
4091 else
4092 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4093 return SUCCESS;
4094}
4095
4096static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4097{
4098 Cmd cmd; /* for issuing commands */
4099 Resp rsp; /* response from commands */
4100 u16 status;
4101
4102 memset(&cmd, 0, sizeof(cmd));
4103 cmd.cmd = accmd;
4104 cmd.parm0 = rid;
4105 status = issuecommand(ai, &cmd, &rsp);
4106 if (status != 0) return status;
4107 if ( (rsp.status & 0x7F00) != 0) {
4108 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4109 }
4110 return 0;
4111}
4112
4113/* Note, that we are using BAP1 which is also used by transmit, so
4114 * we must get a lock. */
4115static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4116{
4117 u16 status;
4118 int rc = SUCCESS;
4119
4120 if (lock) {
4121 if (down_interruptible(&ai->sem))
4122 return ERROR;
4123 }
4124 if (test_bit(FLAG_MPI,&ai->flags)) {
4125 Cmd cmd;
4126 Resp rsp;
4127
4128 memset(&cmd, 0, sizeof(cmd));
4129 memset(&rsp, 0, sizeof(rsp));
4130 ai->config_desc.rid_desc.valid = 1;
4131 ai->config_desc.rid_desc.len = RIDSIZE;
4132 ai->config_desc.rid_desc.rid = 0;
4133 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4134
4135 cmd.cmd = CMD_ACCESS;
4136 cmd.parm0 = rid;
4137
4138 memcpy_toio(ai->config_desc.card_ram_off,
4139 &ai->config_desc.rid_desc, sizeof(Rid));
4140
4141 rc = issuecommand(ai, &cmd, &rsp);
4142
4143 if (rsp.status & 0x7f00)
4144 rc = rsp.rsp0;
4145 if (!rc)
4146 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4147 goto done;
4148 } else {
4149 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4150 rc = status;
4151 goto done;
4152 }
4153 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4154 rc = ERROR;
4155 goto done;
4156 }
4157 // read the rid length field
4158 bap_read(ai, pBuf, 2, BAP1);
4159 // length for remaining part of rid
593c2b9c 4160 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT
4161
4162 if ( len <= 2 ) {
934d8bf1
DW
4163 airo_print_err(ai->dev->name,
4164 "Rid %x has a length of %d which is too short",
1da177e4
LT
4165 (int)rid, (int)len );
4166 rc = ERROR;
4167 goto done;
4168 }
4169 // read remainder of the rid
b8c06bc1 4170 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT
4171 }
4172done:
4173 if (lock)
4174 up(&ai->sem);
4175 return rc;
4176}
4177
4178/* Note, that we are using BAP1 which is also used by transmit, so
25985edc 4179 * make sure this isn't called when a transmit is happening */
1da177e4
LT
4180static int PC4500_writerid(struct airo_info *ai, u16 rid,
4181 const void *pBuf, int len, int lock)
4182{
4183 u16 status;
4184 int rc = SUCCESS;
4185
593c2b9c 4186 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT
4187
4188 if (lock) {
4189 if (down_interruptible(&ai->sem))
4190 return ERROR;
4191 }
4192 if (test_bit(FLAG_MPI,&ai->flags)) {
4193 Cmd cmd;
4194 Resp rsp;
4195
f89b2321 4196 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW
4197 airo_print_err(ai->dev->name,
4198 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4199 __func__, rid);
1da177e4
LT
4200 memset(&cmd, 0, sizeof(cmd));
4201 memset(&rsp, 0, sizeof(rsp));
4202
4203 ai->config_desc.rid_desc.valid = 1;
4204 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4205 ai->config_desc.rid_desc.rid = 0;
4206
4207 cmd.cmd = CMD_WRITERID;
4208 cmd.parm0 = rid;
4209
4210 memcpy_toio(ai->config_desc.card_ram_off,
4211 &ai->config_desc.rid_desc, sizeof(Rid));
4212
4213 if (len < 4 || len > 2047) {
c94c93da 4214 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT
4215 rc = -1;
4216 } else {
2c208890 4217 memcpy(ai->config_desc.virtual_host_addr,
1da177e4
LT
4218 pBuf, len);
4219
4220 rc = issuecommand(ai, &cmd, &rsp);
4221 if ((rc & 0xff00) != 0) {
934d8bf1 4222 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4223 __func__, rc);
934d8bf1 4224 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4225 __func__, cmd.cmd);
1da177e4
LT
4226 }
4227
4228 if ((rsp.status & 0x7f00))
4229 rc = rsp.rsp0;
4230 }
4231 } else {
4232 // --- first access so that we can write the rid data
4233 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4234 rc = status;
4235 goto done;
4236 }
4237 // --- now write the rid data
4238 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4239 rc = ERROR;
4240 goto done;
4241 }
4242 bap_write(ai, pBuf, len, BAP1);
4243 // ---now commit the rid data
4244 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4245 }
4246done:
4247 if (lock)
4248 up(&ai->sem);
4249 return rc;
4250}
4251
4252/* Allocates a FID to be used for transmitting packets. We only use
4253 one for now. */
4254static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4255{
4256 unsigned int loop = 3000;
4257 Cmd cmd;
4258 Resp rsp;
4259 u16 txFid;
593c2b9c 4260 __le16 txControl;
1da177e4
LT
4261
4262 cmd.cmd = CMD_ALLOCATETX;
4263 cmd.parm0 = lenPayload;
4264 if (down_interruptible(&ai->sem))
4265 return ERROR;
4266 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4267 txFid = ERROR;
4268 goto done;
4269 }
4270 if ( (rsp.status & 0xFF00) != 0) {
4271 txFid = ERROR;
4272 goto done;
4273 }
4274 /* wait for the allocate event/indication
4275 * It makes me kind of nervous that this can just sit here and spin,
4276 * but in practice it only loops like four times. */
4277 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4278 if (!loop) {
4279 txFid = ERROR;
4280 goto done;
4281 }
4282
4283 // get the allocated fid and acknowledge
4284 txFid = IN4500(ai, TXALLOCFID);
4285 OUT4500(ai, EVACK, EV_ALLOC);
4286
4287 /* The CARD is pretty cool since it converts the ethernet packet
4288 * into 802.11. Also note that we don't release the FID since we
4289 * will be using the same one over and over again. */
4290 /* We only have to setup the control once since we are not
4291 * releasing the fid. */
4292 if (raw)
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 else
4296 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4297 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4298 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4299 txFid = ERROR;
4300 else
4301 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4302
4303done:
4304 up(&ai->sem);
4305
4306 return txFid;
4307}
4308
4309/* In general BAP1 is dedicated to transmiting packets. However,
4310 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4311 Make sure the BAP1 spinlock is held when this is called. */
4312static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4313{
593c2b9c 4314 __le16 payloadLen;
1da177e4
LT
4315 Cmd cmd;
4316 Resp rsp;
4317 int miclen = 0;
4318 u16 txFid = len;
4319 MICBuffer pMic;
4320
4321 len >>= 16;
4322
4323 if (len <= ETH_ALEN * 2) {
934d8bf1 4324 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT
4325 return ERROR;
4326 }
4327 len -= ETH_ALEN * 2;
4328
1da177e4 4329 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4330 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT
4331 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4332 return ERROR;
4333 miclen = sizeof(pMic);
4334 }
1da177e4
LT
4335 // packet is destination[6], source[6], payload[len-12]
4336 // write the payload length and dst/src/payload
4337 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4338 /* The hardware addresses aren't counted as part of the payload, so
4339 * we have to subtract the 12 bytes for the addresses off */
4340 payloadLen = cpu_to_le16(len + miclen);
4341 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4342 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4343 if (miclen)
b8c06bc1
AV
4344 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4345 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT
4346 // issue the transmit command
4347 memset( &cmd, 0, sizeof( cmd ) );
4348 cmd.cmd = CMD_TRANSMIT;
4349 cmd.parm0 = txFid;
4350 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4351 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4352 return SUCCESS;
4353}
4354
4355static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4356{
593c2b9c 4357 __le16 fc, payloadLen;
1da177e4
LT
4358 Cmd cmd;
4359 Resp rsp;
4360 int hdrlen;
977b143c
AV
4361 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4362 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT
4363 u16 txFid = len;
4364 len >>= 16;
1da177e4 4365
0300b332
AV
4366 fc = *(__le16*)pPacket;
4367 hdrlen = header_len(fc);
1da177e4
LT
4368
4369 if (len < hdrlen) {
934d8bf1 4370 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT
4371 return ERROR;
4372 }
4373
4374 /* packet is 802.11 header + payload
4375 * write the payload length and dst/src/payload */
4376 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4377 /* The 802.11 header aren't counted as part of the payload, so
4378 * we have to subtract the header bytes off */
4379 payloadLen = cpu_to_le16(len-hdrlen);
4380 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4381 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV
4382 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4383 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4384
b8c06bc1 4385 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT
4386 // issue the transmit command
4387 memset( &cmd, 0, sizeof( cmd ) );
4388 cmd.cmd = CMD_TRANSMIT;
4389 cmd.parm0 = txFid;
4390 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4391 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4392 return SUCCESS;
4393}
4394
4395/*
4396 * This is the proc_fs routines. It is a bit messier than I would
4397 * like! Feel free to clean it up!
4398 */
4399
4400static ssize_t proc_read( struct file *file,
4401 char __user *buffer,
4402 size_t len,
4403 loff_t *offset);
4404
4405static ssize_t proc_write( struct file *file,
4406 const char __user *buffer,
4407 size_t len,
4408 loff_t *offset );
4409static int proc_close( struct inode *inode, struct file *file );
4410
4411static int proc_stats_open( struct inode *inode, struct file *file );
4412static int proc_statsdelta_open( struct inode *inode, struct file *file );
4413static int proc_status_open( struct inode *inode, struct file *file );
4414static int proc_SSID_open( struct inode *inode, struct file *file );
4415static int proc_APList_open( struct inode *inode, struct file *file );
4416static int proc_BSSList_open( struct inode *inode, struct file *file );
4417static int proc_config_open( struct inode *inode, struct file *file );
4418static int proc_wepkey_open( struct inode *inode, struct file *file );
4419
d54b1fdb 4420static const struct file_operations proc_statsdelta_ops = {
a95609cb 4421 .owner = THIS_MODULE,
1da177e4
LT
4422 .read = proc_read,
4423 .open = proc_statsdelta_open,
6038f373
AB
4424 .release = proc_close,
4425 .llseek = default_llseek,
1da177e4
LT
4426};
4427
d54b1fdb 4428static const struct file_operations proc_stats_ops = {
a95609cb 4429 .owner = THIS_MODULE,
1da177e4
LT
4430 .read = proc_read,
4431 .open = proc_stats_open,
6038f373
AB
4432 .release = proc_close,
4433 .llseek = default_llseek,
1da177e4
LT
4434};
4435
d54b1fdb 4436static const struct file_operations proc_status_ops = {
a95609cb 4437 .owner = THIS_MODULE,
1da177e4
LT
4438 .read = proc_read,
4439 .open = proc_status_open,
6038f373
AB
4440 .release = proc_close,
4441 .llseek = default_llseek,
1da177e4
LT
4442};
4443
d54b1fdb 4444static const struct file_operations proc_SSID_ops = {
a95609cb 4445 .owner = THIS_MODULE,
1da177e4
LT
4446 .read = proc_read,
4447 .write = proc_write,
4448 .open = proc_SSID_open,
6038f373
AB
4449 .release = proc_close,
4450 .llseek = default_llseek,
1da177e4
LT
4451};
4452
d54b1fdb 4453static const struct file_operations proc_BSSList_ops = {
a95609cb 4454 .owner = THIS_MODULE,
1da177e4
LT
4455 .read = proc_read,
4456 .write = proc_write,
4457 .open = proc_BSSList_open,
6038f373
AB
4458 .release = proc_close,
4459 .llseek = default_llseek,
1da177e4
LT
4460};
4461
d54b1fdb 4462static const struct file_operations proc_APList_ops = {
a95609cb 4463 .owner = THIS_MODULE,
1da177e4
LT
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_APList_open,
6038f373
AB
4467 .release = proc_close,
4468 .llseek = default_llseek,
1da177e4
LT
4469};
4470
d54b1fdb 4471static const struct file_operations proc_config_ops = {
a95609cb 4472 .owner = THIS_MODULE,
1da177e4
LT
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_config_open,
6038f373
AB
4476 .release = proc_close,
4477 .llseek = default_llseek,
1da177e4
LT
4478};
4479
d54b1fdb 4480static const struct file_operations proc_wepkey_ops = {
a95609cb 4481 .owner = THIS_MODULE,
1da177e4
LT
4482 .read = proc_read,
4483 .write = proc_write,
4484 .open = proc_wepkey_open,
6038f373
AB
4485 .release = proc_close,
4486 .llseek = default_llseek,
1da177e4
LT
4487};
4488
4489static struct proc_dir_entry *airo_entry;
4490
4491struct proc_data {
4492 int release_buffer;
4493 int readlen;
4494 char *rbuffer;
4495 int writelen;
4496 int maxwritelen;
4497 char *wbuffer;
4498 void (*on_close) (struct inode *, struct file *);
4499};
4500
1da177e4
LT
4501static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
1efa29cd 4504
1da177e4
LT
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
011159a0
AD
4507 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4508 airo_entry);
431aca5a 4509 if (!apriv->proc_entry)
b25f774d 4510 return -ENOMEM;
271a15ea 4511 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
1da177e4
LT
4512
4513 /* Setup the StatsDelta */
011159a0 4514 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
a95609cb 4515 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a 4516 if (!entry)
b25f774d 4517 goto fail;
271a15ea 4518 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT
4519
4520 /* Setup the Stats */
011159a0 4521 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
a95609cb 4522 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a 4523 if (!entry)
b25f774d 4524 goto fail;
271a15ea 4525 proc_set_user(entry, proc_kuid, proc_kgid);
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 4530 if (!entry)
b25f774d 4531 goto fail;
271a15ea 4532 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT
4533
4534 /* Setup the Config */
011159a0 4535 entry = proc_create_data("Config", proc_perm,
a95609cb 4536 apriv->proc_entry, &proc_config_ops, dev);
431aca5a 4537 if (!entry)
b25f774d 4538 goto fail;
271a15ea 4539 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT
4540
4541 /* Setup the SSID */
011159a0 4542 entry = proc_create_data("SSID", proc_perm,
a95609cb 4543 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a 4544 if (!entry)
b25f774d 4545 goto fail;
271a15ea 4546 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT
4547
4548 /* Setup the APList */
011159a0 4549 entry = proc_create_data("APList", proc_perm,
a95609cb 4550 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a 4551 if (!entry)
b25f774d 4552 goto fail;
271a15ea 4553 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT
4554
4555 /* Setup the BSSList */
011159a0 4556 entry = proc_create_data("BSSList", proc_perm,
a95609cb 4557 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a 4558 if (!entry)
b25f774d 4559 goto fail;
271a15ea 4560 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT
4561
4562 /* Setup the WepKey */
011159a0 4563 entry = proc_create_data("WepKey", proc_perm,
a95609cb 4564 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a 4565 if (!entry)
b25f774d 4566 goto fail;
271a15ea 4567 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4 4568 return 0;
431aca5a 4569
431aca5a 4570fail:
b25f774d 4571 remove_proc_subtree(apriv->proc_name, airo_entry);
431aca5a 4572 return -ENOMEM;
1da177e4
LT
4573}
4574
4575static int takedown_proc_entry( struct net_device *dev,
b25f774d
DH
4576 struct airo_info *apriv )
4577{
4578 remove_proc_subtree(apriv->proc_name, airo_entry);
1da177e4
LT
4579 return 0;
4580}
4581
4582/*
4583 * What we want from the proc_fs is to be able to efficiently read
4584 * and write the configuration. To do this, we want to read the
4585 * configuration when the file is opened and write it when the file is
4586 * closed. So basically we allocate a read buffer at open and fill it
4587 * with data, and allocate a write buffer and read it at close.
4588 */
4589
4590/*
4591 * The read routine is generic, it relies on the preallocated rbuffer
4592 * to supply the data.
4593 */
4594static ssize_t proc_read( struct file *file,
4595 char __user *buffer,
4596 size_t len,
4597 loff_t *offset )
4598{
cc0d9ff2 4599 struct proc_data *priv = file->private_data;
1da177e4
LT
4600
4601 if (!priv->rbuffer)
4602 return -EINVAL;
4603
cc0d9ff2
AM
4604 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4605 priv->readlen);
1da177e4
LT
4606}
4607
4608/*
4609 * The write routine is generic, it fills in a preallocated rbuffer
4610 * to supply the data.
4611 */
4612static ssize_t proc_write( struct file *file,
4613 const char __user *buffer,
4614 size_t len,
4615 loff_t *offset )
4616{
ad9082ad 4617 ssize_t ret;
57674308 4618 struct proc_data *priv = file->private_data;
1da177e4
LT
4619
4620 if (!priv->wbuffer)
4621 return -EINVAL;
4622
ad9082ad
AM
4623 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4624 buffer, len);
4625 if (ret > 0)
4626 priv->writelen = max_t(int, priv->writelen, *offset);
4627
4628 return ret;
1da177e4
LT
4629}
4630
329e2c00
AV
4631static int proc_status_open(struct inode *inode, struct file *file)
4632{
1da177e4 4633 struct proc_data *data;
d9dda78b 4634 struct net_device *dev = PDE_DATA(inode);
faf3994a 4635 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT
4636 CapabilityRid cap_rid;
4637 StatusRid status_rid;
329e2c00 4638 u16 mode;
1da177e4
LT
4639 int i;
4640
b69a3aa8 4641 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4642 return -ENOMEM;
57674308 4643 data = file->private_data;
1da177e4
LT
4644 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4645 kfree (file->private_data);
4646 return -ENOMEM;
4647 }
4648
4649 readStatusRid(apriv, &status_rid, 1);
4650 readCapabilityRid(apriv, &cap_rid, 1);
4651
329e2c00
AV
4652 mode = le16_to_cpu(status_rid.mode);
4653
1da177e4 4654 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV
4655 mode & 1 ? "CFG ": "",
4656 mode & 2 ? "ACT ": "",
4657 mode & 0x10 ? "SYN ": "",
4658 mode & 0x20 ? "LNK ": "",
4659 mode & 0x40 ? "LEAP ": "",
4660 mode & 0x80 ? "PRIV ": "",
4661 mode & 0x100 ? "KEY ": "",
4662 mode & 0x200 ? "WEP ": "",
4663 mode & 0x8000 ? "ERR ": "");
1da177e4
LT
4664 sprintf( data->rbuffer+i, "Mode: %x\n"
4665 "Signal Strength: %d\n"
4666 "Signal Quality: %d\n"
4667 "SSID: %-.*s\n"
4668 "AP: %-.16s\n"
4669 "Freq: %d\n"
4670 "BitRate: %dmbs\n"
4671 "Driver Version: %s\n"
4672 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4673 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4674 "Software Version: %x\nSoftware Subversion: %x\n"
4675 "Boot block version: %x\n",
329e2c00
AV
4676 le16_to_cpu(status_rid.mode),
4677 le16_to_cpu(status_rid.normalizedSignalStrength),
4678 le16_to_cpu(status_rid.signalQuality),
4679 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT
4680 status_rid.SSID,
4681 status_rid.apName,
329e2c00
AV
4682 le16_to_cpu(status_rid.channel),
4683 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT
4684 version,
4685 cap_rid.prodName,
4686 cap_rid.manName,
4687 cap_rid.prodVer,
56d81bd3
AV
4688 le16_to_cpu(cap_rid.radioType),
4689 le16_to_cpu(cap_rid.country),
4690 le16_to_cpu(cap_rid.hardVer),
4691 le16_to_cpu(cap_rid.softVer),
4692 le16_to_cpu(cap_rid.softSubVer),
4693 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT
4694 data->readlen = strlen( data->rbuffer );
4695 return 0;
4696}
4697
4698static int proc_stats_rid_open(struct inode*, struct file*, u16);
4699static int proc_statsdelta_open( struct inode *inode,
4700 struct file *file ) {
4701 if (file->f_mode&FMODE_WRITE) {
4702 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4703 }
4704 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4705}
4706
4707static int proc_stats_open( struct inode *inode, struct file *file ) {
4708 return proc_stats_rid_open(inode, file, RID_STATS);
4709}
4710
4711static int proc_stats_rid_open( struct inode *inode,
4712 struct file *file,
a23ace5f
AV
4713 u16 rid )
4714{
1da177e4 4715 struct proc_data *data;
d9dda78b 4716 struct net_device *dev = PDE_DATA(inode);
faf3994a 4717 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT
4718 StatsRid stats;
4719 int i, j;
a23ace5f 4720 __le32 *vals = stats.vals;
bc8263f1 4721 int len;
1da177e4 4722
b69a3aa8 4723 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4724 return -ENOMEM;
57674308 4725 data = file->private_data;
1da177e4
LT
4726 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4727 kfree (file->private_data);
4728 return -ENOMEM;
4729 }
4730
4731 readStatsRid(apriv, &stats, rid, 1);
bc8263f1 4732 len = le16_to_cpu(stats.len);
1da177e4
LT
4733
4734 j = 0;
a23ace5f 4735 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT
4736 if (!statsLabels[i]) continue;
4737 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1 4738 airo_print_warn(apriv->dev->name,
25985edc 4739 "Potentially disastrous buffer overflow averted!");
1da177e4
LT
4740 break;
4741 }
a23ace5f
AV
4742 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4743 le32_to_cpu(vals[i]));
1da177e4 4744 }
a23ace5f 4745 if (i*4 >= len) {
934d8bf1 4746 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT
4747 }
4748 data->readlen = j;
4749 return 0;
4750}
4751
4752static int get_dec_u16( char *buffer, int *start, int limit ) {
4753 u16 value;
4754 int valid = 0;
30bd5726
RK
4755 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4756 buffer[*start] <= '9'; (*start)++) {
1da177e4
LT
4757 valid = 1;
4758 value *= 10;
4759 value += buffer[*start] - '0';
4760 }
4761 if ( !valid ) return -1;
4762 return value;
4763}
4764
4765static int airo_config_commit(struct net_device *dev,
4766 struct iw_request_info *info, void *zwrq,
4767 char *extra);
4768
3eb9b41f
AV
4769static inline int sniffing_mode(struct airo_info *ai)
4770{
1f351e38 4771 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
3eb9b41f
AV
4772 le16_to_cpu(RXMODE_RFMON);
4773}
4774
4775static void proc_config_on_close(struct inode *inode, struct file *file)
4776{
1da177e4 4777 struct proc_data *data = file->private_data;
d9dda78b 4778 struct net_device *dev = PDE_DATA(inode);
faf3994a 4779 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
4780 char *line;
4781
4782 if ( !data->writelen ) return;
4783
4784 readConfigRid(ai, 1);
4785 set_bit (FLAG_COMMIT, &ai->flags);
4786
4787 line = data->wbuffer;
4788 while( line[0] ) {
4789/*** Mode processing */
4790 if ( !strncmp( line, "Mode: ", 6 ) ) {
4791 line += 6;
3eb9b41f
AV
4792 if (sniffing_mode(ai))
4793 set_bit (FLAG_RESET, &ai->flags);
4794 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4795 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4796 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT
4797 ai->config.scanMode = SCANMODE_ACTIVE;
4798 if ( line[0] == 'a' ) {
3eb9b41f 4799 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4800 } else {
3eb9b41f 4801 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT
4802 if ( line[0] == 'r' ) {
4803 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4804 ai->config.scanMode = SCANMODE_PASSIVE;
4805 set_bit (FLAG_802_11, &ai->flags);
4806 } else if ( line[0] == 'y' ) {
4807 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4808 ai->config.scanMode = SCANMODE_PASSIVE;
4809 set_bit (FLAG_802_11, &ai->flags);
4810 } else if ( line[0] == 'l' )
4811 ai->config.rmode |= RXMODE_LANMON;
4812 }
4813 set_bit (FLAG_COMMIT, &ai->flags);
4814 }
4815
4816/*** Radio status */
4817 else if (!strncmp(line,"Radio: ", 7)) {
4818 line += 7;
4819 if (!strncmp(line,"off",3)) {
4820 set_bit (FLAG_RADIO_OFF, &ai->flags);
4821 } else {
4822 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4823 }
4824 }
4825/*** NodeName processing */
4826 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4827 int j;
4828
4829 line += 10;
4830 memset( ai->config.nodeName, 0, 16 );
4831/* Do the name, assume a space between the mode and node name */
4832 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4833 ai->config.nodeName[j] = line[j];
4834 }
4835 set_bit (FLAG_COMMIT, &ai->flags);
4836 }
4837
4838/*** PowerMode processing */
4839 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4840 line += 11;
4841 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4842 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "PSP", 3 ) ) {
4845 ai->config.powerSaveMode = POWERSAVE_PSP;
4846 set_bit (FLAG_COMMIT, &ai->flags);
4847 } else {
4848 ai->config.powerSaveMode = POWERSAVE_CAM;
4849 set_bit (FLAG_COMMIT, &ai->flags);
4850 }
4851 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4852 int v, i = 0, k = 0; /* i is index into line,
4853 k is index to rates */
4854
4855 line += 11;
4856 while((v = get_dec_u16(line, &i, 3))!=-1) {
4857 ai->config.rates[k++] = (u8)v;
4858 line += i + 1;
4859 i = 0;
4860 }
4861 set_bit (FLAG_COMMIT, &ai->flags);
4862 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4863 int v, i = 0;
4864 line += 9;
4865 v = get_dec_u16(line, &i, i+3);
4866 if ( v != -1 ) {
3eb9b41f 4867 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 }
4870 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4871 int v, i = 0;
4872 line += 11;
4873 v = get_dec_u16(line, &i, i+3);
4874 if ( v != -1 ) {
3eb9b41f 4875 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 }
4878 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4879 line += 5;
4880 switch( line[0] ) {
4881 case 's':
3eb9b41f 4882 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT
4883 break;
4884 case 'e':
3eb9b41f 4885 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT
4886 break;
4887 default:
3eb9b41f 4888 ai->config.authType = AUTH_OPEN;
1da177e4
LT
4889 break;
4890 }
4891 set_bit (FLAG_COMMIT, &ai->flags);
4892 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4893 int v, i = 0;
4894
4895 line += 16;
4896 v = get_dec_u16(line, &i, 3);
4897 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4898 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4901 int v, i = 0;
4902
4903 line += 17;
4904 v = get_dec_u16(line, &i, 3);
4905 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4906 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4909 int v, i = 0;
4910
4911 line += 14;
4912 v = get_dec_u16(line, &i, 4);
15db2763 4913 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4914 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4917 int v, i = 0;
4918
4919 line += 16;
4920 v = get_dec_u16(line, &i, 5);
4921 v = (v<0) ? 0 : v;
3eb9b41f 4922 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4925 int v, i = 0;
4926
4927 line += 16;
4928 v = get_dec_u16(line, &i, 5);
4929 v = (v<0) ? 0 : v;
3eb9b41f 4930 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4933 ai->config.txDiversity =
4934 (line[13]=='l') ? 1 :
4935 ((line[13]=='r')? 2: 3);
4936 set_bit (FLAG_COMMIT, &ai->flags);
4937 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4938 ai->config.rxDiversity =
4939 (line[13]=='l') ? 1 :
4940 ((line[13]=='r')? 2: 3);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4943 int v, i = 0;
4944
4945 line += 15;
4946 v = get_dec_u16(line, &i, 4);
15db2763 4947 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4948 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4949 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if (!strncmp(line, "Modulation: ", 12)) {
4952 line += 12;
4953 switch(*line) {
4954 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4955 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4956 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4957 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT
4958 }
4959 } else if (!strncmp(line, "Preamble: ", 10)) {
4960 line += 10;
4961 switch(*line) {
4962 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4965 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT
4966 }
4967 } else {
934d8bf1 4968 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT
4969 }
4970 while( line[0] && line[0] != '\n' ) line++;
4971 if ( line[0] ) line++;
4972 }
4973 airo_config_commit(dev, NULL, NULL, NULL);
4974}
4975
7a374d8e 4976static const char *get_rmode(__le16 mode)
3eb9b41f
AV
4977{
4978 switch(mode & RXMODE_MASK) {
1da177e4
LT
4979 case RXMODE_RFMON: return "rfmon";
4980 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4981 case RXMODE_LANMON: return "lanmon";
4982 }
4983 return "ESS";
4984}
4985
3eb9b41f
AV
4986static int proc_config_open(struct inode *inode, struct file *file)
4987{
1da177e4 4988 struct proc_data *data;
d9dda78b 4989 struct net_device *dev = PDE_DATA(inode);
faf3994a 4990 struct airo_info *ai = dev->ml_priv;
1da177e4 4991 int i;
3eb9b41f 4992 __le16 mode;
1da177e4 4993
b69a3aa8 4994 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4995 return -ENOMEM;
57674308 4996 data = file->private_data;
1da177e4
LT
4997 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4998 kfree (file->private_data);
4999 return -ENOMEM;
5000 }
b69a3aa8 5001 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT
5002 kfree (data->rbuffer);
5003 kfree (file->private_data);
5004 return -ENOMEM;
5005 }
1da177e4
LT
5006 data->maxwritelen = 2048;
5007 data->on_close = proc_config_on_close;
5008
5009 readConfigRid(ai, 1);
5010
3eb9b41f 5011 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT
5012 i = sprintf( data->rbuffer,
5013 "Mode: %s\n"
5014 "Radio: %s\n"
5015 "NodeName: %-16s\n"
5016 "PowerMode: %s\n"
5017 "DataRates: %d %d %d %d %d %d %d %d\n"
5018 "Channel: %d\n"
5019 "XmitPower: %d\n",
3eb9b41f
AV
5020 mode == MODE_STA_IBSS ? "adhoc" :
5021 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5022 mode == MODE_AP ? "AP" :
5023 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT
5024 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5025 ai->config.nodeName,
3eb9b41f
AV
5026 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5027 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5028 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5029 "Error",
1da177e4
LT
5030 (int)ai->config.rates[0],
5031 (int)ai->config.rates[1],
5032 (int)ai->config.rates[2],
5033 (int)ai->config.rates[3],
5034 (int)ai->config.rates[4],
5035 (int)ai->config.rates[5],
5036 (int)ai->config.rates[6],
5037 (int)ai->config.rates[7],
3eb9b41f
AV
5038 le16_to_cpu(ai->config.channelSet),
5039 le16_to_cpu(ai->config.txPower)
1da177e4
LT
5040 );
5041 sprintf( data->rbuffer + i,
5042 "LongRetryLimit: %d\n"
5043 "ShortRetryLimit: %d\n"
5044 "RTSThreshold: %d\n"
5045 "TXMSDULifetime: %d\n"
5046 "RXMSDULifetime: %d\n"
5047 "TXDiversity: %s\n"
5048 "RXDiversity: %s\n"
5049 "FragThreshold: %d\n"
5050 "WEP: %s\n"
5051 "Modulation: %s\n"
5052 "Preamble: %s\n",
3eb9b41f
AV
5053 le16_to_cpu(ai->config.longRetryLimit),
5054 le16_to_cpu(ai->config.shortRetryLimit),
5055 le16_to_cpu(ai->config.rtsThres),
5056 le16_to_cpu(ai->config.txLifetime),
5057 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT
5058 ai->config.txDiversity == 1 ? "left" :
5059 ai->config.txDiversity == 2 ? "right" : "both",
5060 ai->config.rxDiversity == 1 ? "left" :
5061 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5062 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT
5063 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5064 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5065 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT
5066 ai->config.modulation == MOD_CCK ? "cck" :
5067 ai->config.modulation == MOD_MOK ? "mok" : "error",
5068 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5069 ai->config.preamble == PREAMBLE_LONG ? "long" :
5070 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5071 );
5072 data->readlen = strlen( data->rbuffer );
5073 return 0;
5074}
5075
0dd2212f
AV
5076static void proc_SSID_on_close(struct inode *inode, struct file *file)
5077{
57674308 5078 struct proc_data *data = file->private_data;
d9dda78b 5079 struct net_device *dev = PDE_DATA(inode);
faf3994a 5080 struct airo_info *ai = dev->ml_priv;
1da177e4 5081 SsidRid SSID_rid;
1da177e4 5082 int i;
0dd2212f
AV
5083 char *p = data->wbuffer;
5084 char *end = p + data->writelen;
1da177e4 5085
0dd2212f
AV
5086 if (!data->writelen)
5087 return;
1da177e4 5088
0dd2212f 5089 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5090
0dd2212f
AV
5091 memset(&SSID_rid, 0, sizeof(SSID_rid));
5092
5093 for (i = 0; i < 3 && p < end; i++) {
5094 int j = 0;
5095 /* copy up to 32 characters from this line */
5096 while (*p != '\n' && j < 32)
5097 SSID_rid.ssids[i].ssid[j++] = *p++;
5098 if (j == 0)
5099 break;
5100 SSID_rid.ssids[i].len = cpu_to_le16(j);
5101 /* skip to the beginning of the next line */
5102 while (*p++ != '\n')
5103 ;
1da177e4
LT
5104 }
5105 if (i)
0dd2212f 5106 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT
5107 disable_MAC(ai, 1);
5108 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5109 enable_MAC(ai, 1);
1da177e4
LT
5110}
5111
1da177e4 5112static void proc_APList_on_close( struct inode *inode, struct file *file ) {
57674308 5113 struct proc_data *data = file->private_data;
d9dda78b 5114 struct net_device *dev = PDE_DATA(inode);
faf3994a 5115 struct airo_info *ai = dev->ml_priv;
1da177e4 5116 APListRid APList_rid;
1da177e4
LT
5117 int i;
5118
5119 if ( !data->writelen ) return;
5120
5121 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5122 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT
5123
5124 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5125 int j;
5126 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5127 switch(j%3) {
5128 case 0:
5129 APList_rid.ap[i][j/3]=
26355387 5130 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
1da177e4
LT
5131 break;
5132 case 1:
5133 APList_rid.ap[i][j/3]|=
26355387 5134 hex_to_bin(data->wbuffer[j+i*6*3]);
1da177e4
LT
5135 break;
5136 }
5137 }
5138 }
5139 disable_MAC(ai, 1);
5140 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5141 enable_MAC(ai, 1);
1da177e4
LT
5142}
5143
5144/* This function wraps PC4500_writerid with a MAC disable */
5145static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5146 int len, int dummy ) {
5147 int rc;
1da177e4
LT
5148
5149 disable_MAC(ai, 1);
5150 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5151 enable_MAC(ai, 1);
1da177e4
LT
5152 return rc;
5153}
5154
c0380693
DW
5155/* Returns the WEP key at the specified index, or -1 if that key does
5156 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5157 */
c0380693
DW
5158static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5159{
1da177e4
LT
5160 WepKeyRid wkr;
5161 int rc;
4293ea33 5162 __le16 lastindex;
1da177e4
LT
5163
5164 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW
5165 if (rc != SUCCESS)
5166 return -1;
5167 do {
1da177e4 5168 lastindex = wkr.kindex;
c0380693
DW
5169 if (le16_to_cpu(wkr.kindex) == index) {
5170 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5171 memcpy(buf, wkr.key, klen);
5172 return klen;
1da177e4 5173 }
c0380693
DW
5174 rc = readWepKeyRid(ai, &wkr, 0, 1);
5175 if (rc != SUCCESS)
5176 return -1;
4293ea33 5177 } while (lastindex != wkr.kindex);
1da177e4
LT
5178 return -1;
5179}
5180
c0380693
DW
5181static int get_wep_tx_idx(struct airo_info *ai)
5182{
5183 WepKeyRid wkr;
5184 int rc;
5185 __le16 lastindex;
5186
5187 rc = readWepKeyRid(ai, &wkr, 1, 1);
5188 if (rc != SUCCESS)
5189 return -1;
5190 do {
5191 lastindex = wkr.kindex;
5192 if (wkr.kindex == cpu_to_le16(0xffff))
5193 return wkr.mac[0];
5194 rc = readWepKeyRid(ai, &wkr, 0, 1);
5195 if (rc != SUCCESS)
5196 return -1;
5197 } while (lastindex != wkr.kindex);
5198 return -1;
5199}
5200
5201static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5202 u16 keylen, int perm, int lock)
4293ea33 5203{
1da177e4
LT
5204 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5205 WepKeyRid wkr;
c0380693 5206 int rc;
1da177e4 5207
6510b891
SG
5208 if (WARN_ON(keylen == 0))
5209 return -1;
1da177e4 5210
c0380693
DW
5211 memset(&wkr, 0, sizeof(wkr));
5212 wkr.len = cpu_to_le16(sizeof(wkr));
5213 wkr.kindex = cpu_to_le16(index);
5214 wkr.klen = cpu_to_le16(keylen);
5215 memcpy(wkr.key, key, keylen);
5216 memcpy(wkr.mac, macaddr, ETH_ALEN);
5217
f89b2321 5218 if (perm) disable_MAC(ai, lock);
c0380693 5219 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5220 if (perm) enable_MAC(ai, lock);
c0380693
DW
5221 return rc;
5222}
5223
5224static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5225{
5226 WepKeyRid wkr;
5227 int rc;
5228
5229 memset(&wkr, 0, sizeof(wkr));
5230 wkr.len = cpu_to_le16(sizeof(wkr));
5231 wkr.kindex = cpu_to_le16(0xffff);
5232 wkr.mac[0] = (char)index;
5233
5234 if (perm) {
5235 ai->defindex = (char)index;
5236 disable_MAC(ai, lock);
5237 }
5238
5239 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5240
5241 if (perm)
5242 enable_MAC(ai, lock);
5243 return rc;
1da177e4
LT
5244}
5245
5246static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5247 struct proc_data *data;
d9dda78b 5248 struct net_device *dev = PDE_DATA(inode);
faf3994a 5249 struct airo_info *ai = dev->ml_priv;
c0380693 5250 int i, rc;
1da177e4
LT
5251 char key[16];
5252 u16 index = 0;
5253 int j = 0;
5254
5255 memset(key, 0, sizeof(key));
5256
57674308 5257 data = file->private_data;
1da177e4
LT
5258 if ( !data->writelen ) return;
5259
5260 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5261 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5262 index = data->wbuffer[0] - '0';
5263 if (data->wbuffer[1] == '\n') {
c0380693
DW
5264 rc = set_wep_tx_idx(ai, index, 1, 1);
5265 if (rc < 0) {
5266 airo_print_err(ai->dev->name, "failed to set "
5267 "WEP transmit index to %d: %d.",
5268 index, rc);
5269 }
1da177e4
LT
5270 return;
5271 }
5272 j = 2;
5273 } else {
934d8bf1 5274 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT
5275 return;
5276 }
5277
5278 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5279 switch(i%3) {
5280 case 0:
26355387 5281 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
1da177e4
LT
5282 break;
5283 case 1:
26355387 5284 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
1da177e4
LT
5285 break;
5286 }
5287 }
c0380693
DW
5288
5289 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5290 if (rc < 0) {
5291 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5292 "%d: %d.", index, rc);
5293 }
1da177e4
LT
5294}
5295
4293ea33
AV
5296static int proc_wepkey_open( struct inode *inode, struct file *file )
5297{
1da177e4 5298 struct proc_data *data;
d9dda78b 5299 struct net_device *dev = PDE_DATA(inode);
faf3994a 5300 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5301 char *ptr;
5302 WepKeyRid wkr;
4293ea33 5303 __le16 lastindex;
1da177e4
LT
5304 int j=0;
5305 int rc;
5306
b69a3aa8 5307 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5308 return -ENOMEM;
1da177e4 5309 memset(&wkr, 0, sizeof(wkr));
57674308 5310 data = file->private_data;
b69a3aa8 5311 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT
5312 kfree (file->private_data);
5313 return -ENOMEM;
5314 }
1da177e4
LT
5315 data->writelen = 0;
5316 data->maxwritelen = 80;
b69a3aa8 5317 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT
5318 kfree (data->rbuffer);
5319 kfree (file->private_data);
5320 return -ENOMEM;
5321 }
1da177e4
LT
5322 data->on_close = proc_wepkey_on_close;
5323
5324 ptr = data->rbuffer;
5325 strcpy(ptr, "No wep keys\n");
5326 rc = readWepKeyRid(ai, &wkr, 1, 1);
5327 if (rc == SUCCESS) do {
5328 lastindex = wkr.kindex;
4293ea33 5329 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT
5330 j += sprintf(ptr+j, "Tx key = %d\n",
5331 (int)wkr.mac[0]);
5332 } else {
5333 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV
5334 le16_to_cpu(wkr.kindex),
5335 le16_to_cpu(wkr.klen));
1da177e4
LT
5336 }
5337 readWepKeyRid(ai, &wkr, 0, 1);
5338 } while((lastindex != wkr.kindex) && (j < 180-30));
5339
5340 data->readlen = strlen( data->rbuffer );
5341 return 0;
5342}
5343
0dd2212f
AV
5344static int proc_SSID_open(struct inode *inode, struct file *file)
5345{
1da177e4 5346 struct proc_data *data;
d9dda78b 5347 struct net_device *dev = PDE_DATA(inode);
faf3994a 5348 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5349 int i;
5350 char *ptr;
5351 SsidRid SSID_rid;
5352
b69a3aa8 5353 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5354 return -ENOMEM;
57674308 5355 data = file->private_data;
1da177e4
LT
5356 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5357 kfree (file->private_data);
5358 return -ENOMEM;
5359 }
5360 data->writelen = 0;
5361 data->maxwritelen = 33*3;
0dd2212f
AV
5362 /* allocate maxwritelen + 1; we'll want a sentinel */
5363 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT
5364 kfree (data->rbuffer);
5365 kfree (file->private_data);
5366 return -ENOMEM;
5367 }
1da177e4
LT
5368 data->on_close = proc_SSID_on_close;
5369
5370 readSsidRid(ai, &SSID_rid);
5371 ptr = data->rbuffer;
0dd2212f 5372 for (i = 0; i < 3; i++) {
1da177e4 5373 int j;
0dd2212f
AV
5374 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5375 if (!len)
5376 break;
5377 if (len > 32)
5378 len = 32;
5379 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5380 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT
5381 *ptr++ = '\n';
5382 }
5383 *ptr = '\0';
5384 data->readlen = strlen( data->rbuffer );
5385 return 0;
5386}
5387
5388static int proc_APList_open( struct inode *inode, struct file *file ) {
5389 struct proc_data *data;
d9dda78b 5390 struct net_device *dev = PDE_DATA(inode);
faf3994a 5391 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5392 int i;
5393 char *ptr;
5394 APListRid APList_rid;
5395
b69a3aa8 5396 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5397 return -ENOMEM;
57674308 5398 data = file->private_data;
1da177e4
LT
5399 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5400 kfree (file->private_data);
5401 return -ENOMEM;
5402 }
5403 data->writelen = 0;
5404 data->maxwritelen = 4*6*3;
b69a3aa8 5405 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT
5406 kfree (data->rbuffer);
5407 kfree (file->private_data);
5408 return -ENOMEM;
5409 }
1da177e4
LT
5410 data->on_close = proc_APList_on_close;
5411
5412 readAPListRid(ai, &APList_rid);
5413 ptr = data->rbuffer;
5414 for( i = 0; i < 4; i++ ) {
5415// We end when we find a zero MAC
5416 if ( !*(int*)APList_rid.ap[i] &&
5417 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5418 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT
5419 }
5420 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5421
5422 *ptr = '\0';
5423 data->readlen = strlen( data->rbuffer );
5424 return 0;
5425}
5426
5427static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5428 struct proc_data *data;
d9dda78b 5429 struct net_device *dev = PDE_DATA(inode);
faf3994a 5430 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5431 char *ptr;
5432 BSSListRid BSSList_rid;
5433 int rc;
5434 /* If doLoseSync is not 1, we won't do a Lose Sync */
5435 int doLoseSync = -1;
5436
b69a3aa8 5437 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5438 return -ENOMEM;
57674308 5439 data = file->private_data;
1da177e4
LT
5440 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5441 kfree (file->private_data);
5442 return -ENOMEM;
5443 }
5444 data->writelen = 0;
5445 data->maxwritelen = 0;
5446 data->wbuffer = NULL;
5447 data->on_close = NULL;
5448
5449 if (file->f_mode & FMODE_WRITE) {
5450 if (!(file->f_mode & FMODE_READ)) {
5451 Cmd cmd;
5452 Resp rsp;
5453
5454 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5455 memset(&cmd, 0, sizeof(cmd));
5456 cmd.cmd=CMD_LISTBSS;
5457 if (down_interruptible(&ai->sem))
5458 return -ERESTARTSYS;
5459 issuecommand(ai, &cmd, &rsp);
5460 up(&ai->sem);
5461 data->readlen = 0;
5462 return 0;
5463 }
5464 doLoseSync = 1;
5465 }
5466 ptr = data->rbuffer;
5467 /* There is a race condition here if there are concurrent opens.
5468 Since it is a rare condition, we'll just live with it, otherwise
5469 we have to add a spin lock... */
5470 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5471 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB
5472 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5473 BSSList_rid.bssid,
1da177e4
LT
5474 (int)BSSList_rid.ssidLen,
5475 BSSList_rid.ssid,
17e70491 5476 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5477 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5478 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT
5479 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5480 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5481 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5482 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5483 rc = readBSSListRid(ai, 0, &BSSList_rid);
5484 }
5485 *ptr = '\0';
5486 data->readlen = strlen( data->rbuffer );
5487 return 0;
5488}
5489
5490static int proc_close( struct inode *inode, struct file *file )
5491{
b4558ea9
JJ
5492 struct proc_data *data = file->private_data;
5493
5494 if (data->on_close != NULL)
5495 data->on_close(inode, file);
5496 kfree(data->rbuffer);
5497 kfree(data->wbuffer);
5498 kfree(data);
1da177e4
LT
5499 return 0;
5500}
5501
1da177e4
LT
5502/* Since the card doesn't automatically switch to the right WEP mode,
5503 we will make it do it. If the card isn't associated, every secs we
5504 will switch WEP modes to see if that will help. If the card is
5505 associated we will check every minute to see if anything has
5506 changed. */
5507static void timer_func( struct net_device *dev ) {
faf3994a 5508 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT
5509
5510/* We don't have a link so try changing the authtype */
5511 readConfigRid(apriv, 0);
5512 disable_MAC(apriv, 0);
5513 switch(apriv->config.authType) {
5514 case AUTH_ENCRYPT:
5515/* So drop to OPEN */
5516 apriv->config.authType = AUTH_OPEN;
5517 break;
5518 case AUTH_SHAREDKEY:
5519 if (apriv->keyindex < auto_wep) {
c0380693 5520 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT
5521 apriv->config.authType = AUTH_SHAREDKEY;
5522 apriv->keyindex++;
5523 } else {
5524 /* Drop to ENCRYPT */
5525 apriv->keyindex = 0;
c0380693 5526 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT
5527 apriv->config.authType = AUTH_ENCRYPT;
5528 }
5529 break;
5530 default: /* We'll escalate to SHAREDKEY */
5531 apriv->config.authType = AUTH_SHAREDKEY;
5532 }
5533 set_bit (FLAG_COMMIT, &apriv->flags);
5534 writeConfigRid(apriv, 0);
175ec1a1 5535 enable_MAC(apriv, 0);
1da177e4
LT
5536 up(&apriv->sem);
5537
5538/* Schedule check to see if the change worked */
3c304956 5539 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT
5540 apriv->expires = RUN_AT(HZ*3);
5541}
5542
1da177e4 5543#ifdef CONFIG_PCI
04bfffb8 5544static int airo_pci_probe(struct pci_dev *pdev,
1da177e4
LT
5545 const struct pci_device_id *pent)
5546{
5547 struct net_device *dev;
5548
5549 if (pci_enable_device(pdev))
5550 return -ENODEV;
5551 pci_set_master(pdev);
5552
5553 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5554 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5555 else
5556 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS
5557 if (!dev) {
5558 pci_disable_device(pdev);
1da177e4 5559 return -ENODEV;
777ec5e9 5560 }
1da177e4
LT
5561
5562 pci_set_drvdata(pdev, dev);
5563 return 0;
5564}
5565
04bfffb8 5566static void airo_pci_remove(struct pci_dev *pdev)
1da177e4 5567{
af5b5c9a
MS
5568 struct net_device *dev = pci_get_drvdata(pdev);
5569
5570 airo_print_info(dev->name, "Unregistering...");
5571 stop_airo_card(dev, 1);
777ec5e9 5572 pci_disable_device(pdev);
1da177e4
LT
5573}
5574
05adc3b7 5575static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT
5576{
5577 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5578 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
5579 Cmd cmd;
5580 Resp rsp;
5581
e292c737
PM
5582 if (!ai->APList)
5583 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5584 if (!ai->APList)
1da177e4 5585 return -ENOMEM;
e292c737
PM
5586 if (!ai->SSID)
5587 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5588 if (!ai->SSID)
1da177e4
LT
5589 return -ENOMEM;
5590 readAPListRid(ai, ai->APList);
5591 readSsidRid(ai, ai->SSID);
5592 memset(&cmd, 0, sizeof(cmd));
5593 /* the lock will be released at the end of the resume callback */
5594 if (down_interruptible(&ai->sem))
5595 return -EAGAIN;
5596 disable_MAC(ai, 0);
5597 netif_device_detach(dev);
5598 ai->power = state;
e292c737 5599 cmd.cmd = HOSTSLEEP;
1da177e4
LT
5600 issuecommand(ai, &cmd, &rsp);
5601
1cc68ae0 5602 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5603 pci_save_state(pdev);
40b93ad6 5604 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5605 return 0;
1da177e4
LT
5606}
5607
5608static int airo_pci_resume(struct pci_dev *pdev)
5609{
5610 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5611 struct airo_info *ai = dev->ml_priv;
53232803 5612 pci_power_t prev_state = pdev->current_state;
1da177e4 5613
53232803 5614 pci_set_power_state(pdev, PCI_D0);
1da177e4 5615 pci_restore_state(pdev);
53232803 5616 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5617
53232803 5618 if (prev_state != PCI_D1) {
1da177e4
LT
5619 reset_card(dev, 0);
5620 mpi_init_descriptors(ai);
5621 setup_card(ai, dev->dev_addr, 0);
5622 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5623 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5624 } else {
5625 OUT4500(ai, EVACK, EV_AWAKEN);
5626 OUT4500(ai, EVACK, EV_AWAKEN);
5627 msleep(100);
5628 }
5629
e292c737 5630 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT
5631 disable_MAC(ai, 0);
5632 msleep(200);
5633 if (ai->SSID) {
5634 writeSsidRid(ai, ai->SSID, 0);
5635 kfree(ai->SSID);
5636 ai->SSID = NULL;
5637 }
5638 if (ai->APList) {
5639 writeAPListRid(ai, ai->APList, 0);
5640 kfree(ai->APList);
5641 ai->APList = NULL;
5642 }
5643 writeConfigRid(ai, 0);
175ec1a1 5644 enable_MAC(ai, 0);
1cc68ae0 5645 ai->power = PMSG_ON;
1da177e4
LT
5646 netif_device_attach(dev);
5647 netif_wake_queue(dev);
5648 enable_interrupts(ai);
5649 up(&ai->sem);
5650 return 0;
5651}
5652#endif
5653
5654static int __init airo_init_module( void )
5655{
de897881 5656 int i;
1da177e4 5657
1efa29cd
EB
5658 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5659 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5660 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5661 return -EINVAL;
5662
011159a0 5663 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
de897881 5664
271a15ea
DH
5665 if (airo_entry)
5666 proc_set_user(airo_entry, proc_kuid, proc_kgid);
1da177e4 5667
e292c737 5668 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW
5669 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5670 "io=0x%x", irq[i], io[i] );
1da177e4 5671 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5672 /* do nothing */ ;
1da177e4
LT
5673 }
5674
5675#ifdef CONFIG_PCI
934d8bf1 5676 airo_print_info("", "Probing for PCI adapters");
de897881 5677 i = pci_register_driver(&airo_driver);
934d8bf1 5678 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG
5679
5680 if (i) {
928b4d8c 5681 remove_proc_entry("driver/aironet", NULL);
de897881
JG
5682 return i;
5683 }
1da177e4
LT
5684#endif
5685
5686 /* Always exit with success, as we are a library module
5687 * as well as a driver module
5688 */
5689 return 0;
5690}
5691
5692static void __exit airo_cleanup_module( void )
5693{
af5b5c9a
MS
5694 struct airo_info *ai;
5695 while(!list_empty(&airo_devices)) {
5696 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5697 airo_print_info(ai->dev->name, "Unregistering...");
5698 stop_airo_card(ai->dev, 1);
1da177e4
LT
5699 }
5700#ifdef CONFIG_PCI
5701 pci_unregister_driver(&airo_driver);
5702#endif
928b4d8c 5703 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT
5704}
5705
1da177e4
LT
5706/*
5707 * Initial Wireless Extension code for Aironet driver by :
5708 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5709 * Conversion to new driver API by :
5710 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5711 * Javier also did a good amount of work here, adding some new extensions
5712 * and fixing my code. Let's just say that without him this code just
5713 * would not work at all... - Jean II
5714 */
5715
41480af2
DW
5716static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5717{
e292c737 5718 if (!rssi_rid)
41480af2
DW
5719 return 0;
5720
5721 return (0x100 - rssi_rid[rssi].rssidBm);
5722}
5723
5724static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5725{
5726 int i;
5727
e292c737 5728 if (!rssi_rid)
41480af2
DW
5729 return 0;
5730
e292c737 5731 for (i = 0; i < 256; i++)
41480af2
DW
5732 if (rssi_rid[i].rssidBm == dbm)
5733 return rssi_rid[i].rssipct;
5734
5735 return 0;
5736}
5737
5738
1da177e4
LT
5739static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5740{
5741 int quality = 0;
329e2c00 5742 u16 sq;
1da177e4 5743
329e2c00 5744 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV
5745 return 0;
5746
5747 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5748 return 0;
5749
329e2c00 5750 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5751 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5752 if (sq > 0x20)
56d81bd3 5753 quality = 0;
1da177e4 5754 else
329e2c00 5755 quality = 0x20 - sq;
56d81bd3 5756 else
329e2c00 5757 if (sq > 0xb0)
56d81bd3 5758 quality = 0;
329e2c00 5759 else if (sq < 0x10)
56d81bd3
AV
5760 quality = 0xa0;
5761 else
329e2c00 5762 quality = 0xb0 - sq;
1da177e4
LT
5763 return quality;
5764}
5765
5766#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5767#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5768
5769/*------------------------------------------------------------------*/
5770/*
5771 * Wireless Handler : get protocol name
5772 */
5773static int airo_get_name(struct net_device *dev,
5774 struct iw_request_info *info,
5775 char *cwrq,
5776 char *extra)
5777{
5778 strcpy(cwrq, "IEEE 802.11-DS");
5779 return 0;
5780}
5781
5782/*------------------------------------------------------------------*/
5783/*
5784 * Wireless Handler : set frequency
5785 */
5786static int airo_set_freq(struct net_device *dev,
5787 struct iw_request_info *info,
5788 struct iw_freq *fwrq,
5789 char *extra)
5790{
faf3994a 5791 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5792 int rc = -EINPROGRESS; /* Call commit handler */
5793
5794 /* If setting by frequency, convert to a channel */
9ee677c2 5795 if(fwrq->e == 1) {
1da177e4 5796 int f = fwrq->m / 100000;
9ee677c2 5797
1da177e4
LT
5798 /* Hack to fall through... */
5799 fwrq->e = 0;
9ee677c2 5800 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT
5801 }
5802 /* Setting by channel number */
5803 if((fwrq->m > 1000) || (fwrq->e > 0))
5804 rc = -EOPNOTSUPP;
5805 else {
5806 int channel = fwrq->m;
5807 /* We should do a better check than that,
5808 * based on the card capability !!! */
2610c733 5809 if((channel < 1) || (channel > 14)) {
934d8bf1
DW
5810 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5811 fwrq->m);
1da177e4
LT
5812 rc = -EINVAL;
5813 } else {
5814 readConfigRid(local, 1);
5815 /* Yes ! We can set it !!! */
3eb9b41f 5816 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT
5817 set_bit (FLAG_COMMIT, &local->flags);
5818 }
5819 }
5820 return rc;
5821}
5822
5823/*------------------------------------------------------------------*/
5824/*
5825 * Wireless Handler : get frequency
5826 */
5827static int airo_get_freq(struct net_device *dev,
5828 struct iw_request_info *info,
5829 struct iw_freq *fwrq,
5830 char *extra)
5831{
faf3994a 5832 struct airo_info *local = dev->ml_priv;
1da177e4 5833 StatusRid status_rid; /* Card status info */
2610c733 5834 int ch;
1da177e4
LT
5835
5836 readConfigRid(local, 1);
3eb9b41f
AV
5837 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5838 status_rid.channel = local->config.channelSet;
1da177e4
LT
5839 else
5840 readStatusRid(local, &status_rid, 1);
5841
329e2c00 5842 ch = le16_to_cpu(status_rid.channel);
2610c733 5843 if((ch > 0) && (ch < 15)) {
9ee677c2 5844 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5845 fwrq->e = 1;
2610c733
JA
5846 } else {
5847 fwrq->m = ch;
5848 fwrq->e = 0;
1da177e4 5849 }
1da177e4
LT
5850
5851 return 0;
5852}
5853
5854/*------------------------------------------------------------------*/
5855/*
5856 * Wireless Handler : set ESSID
5857 */
5858static int airo_set_essid(struct net_device *dev,
5859 struct iw_request_info *info,
5860 struct iw_point *dwrq,
5861 char *extra)
5862{
faf3994a 5863 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5864 SsidRid SSID_rid; /* SSIDs */
5865
5866 /* Reload the list of current SSID */
5867 readSsidRid(local, &SSID_rid);
5868
5869 /* Check if we asked for `any' */
3d0ccd02 5870 if (dwrq->flags == 0) {
1da177e4
LT
5871 /* Just send an empty SSID list */
5872 memset(&SSID_rid, 0, sizeof(SSID_rid));
5873 } else {
3d0ccd02 5874 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1da177e4
LT
5875
5876 /* Check the size of the string */
3d0ccd02 5877 if (dwrq->length > IW_ESSID_MAX_SIZE)
1da177e4 5878 return -E2BIG ;
3d0ccd02 5879
1da177e4 5880 /* Check if index is valid */
3d0ccd02 5881 if (index >= ARRAY_SIZE(SSID_rid.ssids))
1da177e4 5882 return -EINVAL;
1da177e4
LT
5883
5884 /* Set the SSID */
5885 memset(SSID_rid.ssids[index].ssid, 0,
5886 sizeof(SSID_rid.ssids[index].ssid));
5887 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5888 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5889 }
0dd2212f 5890 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT
5891 /* Write it to the card */
5892 disable_MAC(local, 1);
5893 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5894 enable_MAC(local, 1);
1da177e4
LT
5895
5896 return 0;
5897}
5898
5899/*------------------------------------------------------------------*/
5900/*
5901 * Wireless Handler : get ESSID
5902 */
5903static int airo_get_essid(struct net_device *dev,
5904 struct iw_request_info *info,
5905 struct iw_point *dwrq,
5906 char *extra)
5907{
faf3994a 5908 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5909 StatusRid status_rid; /* Card status info */
5910
5911 readStatusRid(local, &status_rid, 1);
5912
5913 /* Note : if dwrq->flags != 0, we should
5914 * get the relevant SSID from the SSID list... */
5915
5916 /* Get the current SSID */
329e2c00 5917 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT
5918 /* If none, we may want to get the one that was set */
5919
5920 /* Push it out ! */
329e2c00 5921 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT
5922 dwrq->flags = 1; /* active */
5923
5924 return 0;
5925}
5926
5927/*------------------------------------------------------------------*/
5928/*
5929 * Wireless Handler : set AP address
5930 */
5931static int airo_set_wap(struct net_device *dev,
5932 struct iw_request_info *info,
5933 struct sockaddr *awrq,
5934 char *extra)
5935{
faf3994a 5936 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5937 Cmd cmd;
5938 Resp rsp;
5939 APListRid APList_rid;
1da177e4
LT
5940
5941 if (awrq->sa_family != ARPHRD_ETHER)
5942 return -EINVAL;
0d1c6d1c
WY
5943 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5944 is_zero_ether_addr(awrq->sa_data)) {
1da177e4
LT
5945 memset(&cmd, 0, sizeof(cmd));
5946 cmd.cmd=CMD_LOSE_SYNC;
5947 if (down_interruptible(&local->sem))
5948 return -ERESTARTSYS;
5949 issuecommand(local, &cmd, &rsp);
5950 up(&local->sem);
5951 } else {
5952 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5953 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT
5954 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5955 disable_MAC(local, 1);
5956 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5957 enable_MAC(local, 1);
1da177e4
LT
5958 }
5959 return 0;
5960}
5961
5962/*------------------------------------------------------------------*/
5963/*
5964 * Wireless Handler : get AP address
5965 */
5966static int airo_get_wap(struct net_device *dev,
5967 struct iw_request_info *info,
5968 struct sockaddr *awrq,
5969 char *extra)
5970{
faf3994a 5971 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5972 StatusRid status_rid; /* Card status info */
5973
5974 readStatusRid(local, &status_rid, 1);
5975
5976 /* Tentative. This seems to work, wow, I'm lucky !!! */
5977 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5978 awrq->sa_family = ARPHRD_ETHER;
5979
5980 return 0;
5981}
5982
5983/*------------------------------------------------------------------*/
5984/*
5985 * Wireless Handler : set Nickname
5986 */
5987static int airo_set_nick(struct net_device *dev,
5988 struct iw_request_info *info,
5989 struct iw_point *dwrq,
5990 char *extra)
5991{
faf3994a 5992 struct airo_info *local = dev->ml_priv;
1da177e4
LT
5993
5994 /* Check the size of the string */
7f8544cc 5995 if(dwrq->length > 16) {
1da177e4
LT
5996 return -E2BIG;
5997 }
5998 readConfigRid(local, 1);
5999 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6000 memcpy(local->config.nodeName, extra, dwrq->length);
6001 set_bit (FLAG_COMMIT, &local->flags);
6002
6003 return -EINPROGRESS; /* Call commit handler */
6004}
6005
6006/*------------------------------------------------------------------*/
6007/*
6008 * Wireless Handler : get Nickname
6009 */
6010static int airo_get_nick(struct net_device *dev,
6011 struct iw_request_info *info,
6012 struct iw_point *dwrq,
6013 char *extra)
6014{
faf3994a 6015 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6016
6017 readConfigRid(local, 1);
6018 strncpy(extra, local->config.nodeName, 16);
6019 extra[16] = '\0';
7f8544cc 6020 dwrq->length = strlen(extra);
1da177e4
LT
6021
6022 return 0;
6023}
6024
6025/*------------------------------------------------------------------*/
6026/*
6027 * Wireless Handler : set Bit-Rate
6028 */
6029static int airo_set_rate(struct net_device *dev,
6030 struct iw_request_info *info,
6031 struct iw_param *vwrq,
6032 char *extra)
6033{
faf3994a 6034 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6035 CapabilityRid cap_rid; /* Card capability info */
6036 u8 brate = 0;
6037 int i;
6038
6039 /* First : get a valid bit rate value */
6040 readCapabilityRid(local, &cap_rid, 1);
6041
6042 /* Which type of value ? */
6043 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6044 /* Setting by rate index */
6045 /* Find value in the magic rate table */
6046 brate = cap_rid.supportedRates[vwrq->value];
6047 } else {
6048 /* Setting by frequency value */
6049 u8 normvalue = (u8) (vwrq->value/500000);
6050
6051 /* Check if rate is valid */
6052 for(i = 0 ; i < 8 ; i++) {
6053 if(normvalue == cap_rid.supportedRates[i]) {
6054 brate = normvalue;
6055 break;
6056 }
6057 }
6058 }
6059 /* -1 designed the max rate (mostly auto mode) */
6060 if(vwrq->value == -1) {
6061 /* Get the highest available rate */
6062 for(i = 0 ; i < 8 ; i++) {
6063 if(cap_rid.supportedRates[i] == 0)
6064 break;
6065 }
6066 if(i != 0)
6067 brate = cap_rid.supportedRates[i - 1];
6068 }
6069 /* Check that it is valid */
6070 if(brate == 0) {
6071 return -EINVAL;
6072 }
6073
6074 readConfigRid(local, 1);
6075 /* Now, check if we want a fixed or auto value */
6076 if(vwrq->fixed == 0) {
6077 /* Fill all the rates up to this max rate */
6078 memset(local->config.rates, 0, 8);
6079 for(i = 0 ; i < 8 ; i++) {
6080 local->config.rates[i] = cap_rid.supportedRates[i];
6081 if(local->config.rates[i] == brate)
6082 break;
6083 }
6084 } else {
6085 /* Fixed mode */
6086 /* One rate, fixed */
6087 memset(local->config.rates, 0, 8);
6088 local->config.rates[0] = brate;
6089 }
6090 set_bit (FLAG_COMMIT, &local->flags);
6091
6092 return -EINPROGRESS; /* Call commit handler */
6093}
6094
6095/*------------------------------------------------------------------*/
6096/*
6097 * Wireless Handler : get Bit-Rate
6098 */
6099static int airo_get_rate(struct net_device *dev,
6100 struct iw_request_info *info,
6101 struct iw_param *vwrq,
6102 char *extra)
6103{
faf3994a 6104 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6105 StatusRid status_rid; /* Card status info */
6106
6107 readStatusRid(local, &status_rid, 1);
6108
329e2c00 6109 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT
6110 /* If more than one rate, set auto */
6111 readConfigRid(local, 1);
6112 vwrq->fixed = (local->config.rates[1] == 0);
6113
6114 return 0;
6115}
6116
6117/*------------------------------------------------------------------*/
6118/*
6119 * Wireless Handler : set RTS threshold
6120 */
6121static int airo_set_rts(struct net_device *dev,
6122 struct iw_request_info *info,
6123 struct iw_param *vwrq,
6124 char *extra)
6125{
faf3994a 6126 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6127 int rthr = vwrq->value;
6128
6129 if(vwrq->disabled)
15db2763
DW
6130 rthr = AIRO_DEF_MTU;
6131 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT
6132 return -EINVAL;
6133 }
6134 readConfigRid(local, 1);
3eb9b41f 6135 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT
6136 set_bit (FLAG_COMMIT, &local->flags);
6137
6138 return -EINPROGRESS; /* Call commit handler */
6139}
6140
6141/*------------------------------------------------------------------*/
6142/*
6143 * Wireless Handler : get RTS threshold
6144 */
6145static int airo_get_rts(struct net_device *dev,
6146 struct iw_request_info *info,
6147 struct iw_param *vwrq,
6148 char *extra)
6149{
faf3994a 6150 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6151
6152 readConfigRid(local, 1);
3eb9b41f 6153 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6154 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT
6155 vwrq->fixed = 1;
6156
6157 return 0;
6158}
6159
6160/*------------------------------------------------------------------*/
6161/*
6162 * Wireless Handler : set Fragmentation threshold
6163 */
6164static int airo_set_frag(struct net_device *dev,
6165 struct iw_request_info *info,
6166 struct iw_param *vwrq,
6167 char *extra)
6168{
faf3994a 6169 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6170 int fthr = vwrq->value;
6171
6172 if(vwrq->disabled)
15db2763
DW
6173 fthr = AIRO_DEF_MTU;
6174 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT
6175 return -EINVAL;
6176 }
6177 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6178 readConfigRid(local, 1);
3eb9b41f 6179 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT
6180 set_bit (FLAG_COMMIT, &local->flags);
6181
6182 return -EINPROGRESS; /* Call commit handler */
6183}
6184
6185/*------------------------------------------------------------------*/
6186/*
6187 * Wireless Handler : get Fragmentation threshold
6188 */
6189static int airo_get_frag(struct net_device *dev,
6190 struct iw_request_info *info,
6191 struct iw_param *vwrq,
6192 char *extra)
6193{
faf3994a 6194 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6195
6196 readConfigRid(local, 1);
3eb9b41f 6197 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6198 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT
6199 vwrq->fixed = 1;
6200
6201 return 0;
6202}
6203
6204/*------------------------------------------------------------------*/
6205/*
6206 * Wireless Handler : set Mode of Operation
6207 */
6208static int airo_set_mode(struct net_device *dev,
6209 struct iw_request_info *info,
6210 __u32 *uwrq,
6211 char *extra)
6212{
faf3994a 6213 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6214 int reset = 0;
6215
6216 readConfigRid(local, 1);
3eb9b41f 6217 if (sniffing_mode(local))
1da177e4
LT
6218 reset = 1;
6219
6220 switch(*uwrq) {
6221 case IW_MODE_ADHOC:
3eb9b41f 6222 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6223 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6224 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6225 local->config.scanMode = SCANMODE_ACTIVE;
6226 clear_bit (FLAG_802_11, &local->flags);
6227 break;
6228 case IW_MODE_INFRA:
3eb9b41f 6229 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6230 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6231 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6234 break;
6235 case IW_MODE_MASTER:
3eb9b41f 6236 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6237 local->config.opmode |= MODE_AP;
3eb9b41f 6238 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6241 break;
6242 case IW_MODE_REPEAT:
3eb9b41f 6243 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6244 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6245 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6246 local->config.scanMode = SCANMODE_ACTIVE;
6247 clear_bit (FLAG_802_11, &local->flags);
6248 break;
6249 case IW_MODE_MONITOR:
3eb9b41f 6250 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6251 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6252 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT
6253 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6254 local->config.scanMode = SCANMODE_PASSIVE;
6255 set_bit (FLAG_802_11, &local->flags);
6256 break;
6257 default:
6258 return -EINVAL;
6259 }
6260 if (reset)
6261 set_bit (FLAG_RESET, &local->flags);
6262 set_bit (FLAG_COMMIT, &local->flags);
6263
6264 return -EINPROGRESS; /* Call commit handler */
6265}
6266
6267/*------------------------------------------------------------------*/
6268/*
6269 * Wireless Handler : get Mode of Operation
6270 */
6271static int airo_get_mode(struct net_device *dev,
6272 struct iw_request_info *info,
6273 __u32 *uwrq,
6274 char *extra)
6275{
faf3994a 6276 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6277
6278 readConfigRid(local, 1);
6279 /* If not managed, assume it's ad-hoc */
3eb9b41f 6280 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT
6281 case MODE_STA_ESS:
6282 *uwrq = IW_MODE_INFRA;
6283 break;
6284 case MODE_AP:
6285 *uwrq = IW_MODE_MASTER;
6286 break;
6287 case MODE_AP_RPTR:
6288 *uwrq = IW_MODE_REPEAT;
6289 break;
6290 default:
6291 *uwrq = IW_MODE_ADHOC;
6292 }
6293
6294 return 0;
6295}
6296
138c0c68 6297static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6298{
138c0c68 6299 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV
6300}
6301
1da177e4
LT
6302/*------------------------------------------------------------------*/
6303/*
6304 * Wireless Handler : set Encryption Key
6305 */
6306static int airo_set_encode(struct net_device *dev,
6307 struct iw_request_info *info,
6308 struct iw_point *dwrq,
6309 char *extra)
6310{
faf3994a 6311 struct airo_info *local = dev->ml_priv;
c0380693 6312 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6313 __le16 currentAuthType = local->config.authType;
c0380693 6314 int rc = 0;
1da177e4 6315
138c0c68 6316 if (!local->wep_capable)
1da177e4 6317 return -EOPNOTSUPP;
138c0c68 6318
1da177e4
LT
6319 readConfigRid(local, 1);
6320
6321 /* Basic checking: do we have a key to set ?
6322 * Note : with the new API, it's impossible to get a NULL pointer.
6323 * Therefore, we need to check a key size == 0 instead.
6324 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6325 * when no key is present (only change flags), but older versions
6326 * don't do it. - Jean II */
6327 if (dwrq->length > 0) {
6328 wep_key_t key;
6329 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6330 int current_index;
138c0c68 6331
1da177e4
LT
6332 /* Check the size of the key */
6333 if (dwrq->length > MAX_KEY_SIZE) {
6334 return -EINVAL;
6335 }
138c0c68 6336
c0380693
DW
6337 current_index = get_wep_tx_idx(local);
6338 if (current_index < 0)
6339 current_index = 0;
6340
1da177e4 6341 /* Check the index (none -> use current) */
138c0c68 6342 if (!valid_index(local, index))
1da177e4 6343 index = current_index;
138c0c68 6344
1da177e4
LT
6345 /* Set the length */
6346 if (dwrq->length > MIN_KEY_SIZE)
6347 key.len = MAX_KEY_SIZE;
6348 else
f09c2563 6349 key.len = MIN_KEY_SIZE;
1da177e4
LT
6350 /* Check if the key is not marked as invalid */
6351 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6352 /* Cleanup */
6353 memset(key.key, 0, MAX_KEY_SIZE);
6354 /* Copy the key in the driver */
6355 memcpy(key.key, extra, dwrq->length);
6356 /* Send the key to the card */
c0380693
DW
6357 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6358 if (rc < 0) {
6359 airo_print_err(local->dev->name, "failed to set"
6360 " WEP key at index %d: %d.",
6361 index, rc);
6362 return rc;
6363 }
1da177e4
LT
6364 }
6365 /* WE specify that if a valid key is set, encryption
6366 * should be enabled (user may turn it off later)
6367 * This is also how "iwconfig ethX key on" works */
6368 if((index == current_index) && (key.len > 0) &&
6369 (local->config.authType == AUTH_OPEN)) {
6370 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT
6371 }
6372 } else {
6373 /* Do we want to just set the transmit key index ? */
6374 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW
6375 if (valid_index(local, index)) {
6376 rc = set_wep_tx_idx(local, index, perm, 1);
6377 if (rc < 0) {
6378 airo_print_err(local->dev->name, "failed to set"
6379 " WEP transmit index to %d: %d.",
6380 index, rc);
6381 return rc;
6382 }
6383 } else {
1da177e4 6384 /* Don't complain if only change the mode */
93a3b607 6385 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6386 return -EINVAL;
138c0c68 6387 }
1da177e4
LT
6388 }
6389 /* Read the flags */
6390 if(dwrq->flags & IW_ENCODE_DISABLED)
6391 local->config.authType = AUTH_OPEN; // disable encryption
6392 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6393 local->config.authType = AUTH_SHAREDKEY; // Only Both
6394 if(dwrq->flags & IW_ENCODE_OPEN)
6395 local->config.authType = AUTH_ENCRYPT; // Only Wep
6396 /* Commit the changes to flags if needed */
f89b2321 6397 if (local->config.authType != currentAuthType)
1da177e4
LT
6398 set_bit (FLAG_COMMIT, &local->flags);
6399 return -EINPROGRESS; /* Call commit handler */
6400}
6401
6402/*------------------------------------------------------------------*/
6403/*
6404 * Wireless Handler : get Encryption Key
6405 */
6406static int airo_get_encode(struct net_device *dev,
6407 struct iw_request_info *info,
6408 struct iw_point *dwrq,
6409 char *extra)
6410{
faf3994a 6411 struct airo_info *local = dev->ml_priv;
1da177e4 6412 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
267d493b 6413 int wep_key_len;
c0380693 6414 u8 buf[16];
1da177e4 6415
138c0c68 6416 if (!local->wep_capable)
1da177e4 6417 return -EOPNOTSUPP;
138c0c68 6418
1da177e4 6419 readConfigRid(local, 1);
138c0c68 6420
1da177e4
LT
6421 /* Check encryption mode */
6422 switch(local->config.authType) {
6423 case AUTH_ENCRYPT:
6424 dwrq->flags = IW_ENCODE_OPEN;
6425 break;
6426 case AUTH_SHAREDKEY:
6427 dwrq->flags = IW_ENCODE_RESTRICTED;
6428 break;
6429 default:
6430 case AUTH_OPEN:
6431 dwrq->flags = IW_ENCODE_DISABLED;
6432 break;
6433 }
6434 /* We can't return the key, so set the proper flag and return zero */
6435 dwrq->flags |= IW_ENCODE_NOKEY;
6436 memset(extra, 0, 16);
6437
6438 /* Which key do we want ? -1 -> tx index */
c0380693
DW
6439 if (!valid_index(local, index)) {
6440 index = get_wep_tx_idx(local);
6441 if (index < 0)
6442 index = 0;
6443 }
1da177e4 6444 dwrq->flags |= index + 1;
c0380693 6445
1da177e4 6446 /* Copy the key to the user buffer */
267d493b
JL
6447 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6448 if (wep_key_len < 0) {
aedec922 6449 dwrq->length = 0;
267d493b
JL
6450 } else {
6451 dwrq->length = wep_key_len;
6452 memcpy(extra, buf, dwrq->length);
6453 }
c0380693 6454
1da177e4
LT
6455 return 0;
6456}
6457
4be757dd
DW
6458/*------------------------------------------------------------------*/
6459/*
6460 * Wireless Handler : set extended Encryption parameters
6461 */
6462static int airo_set_encodeext(struct net_device *dev,
6463 struct iw_request_info *info,
6464 union iwreq_data *wrqu,
6465 char *extra)
6466{
faf3994a 6467 struct airo_info *local = dev->ml_priv;
4be757dd
DW
6468 struct iw_point *encoding = &wrqu->encoding;
6469 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6470 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6471 __le16 currentAuthType = local->config.authType;
c0380693 6472 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW
6473 wep_key_t key;
6474
138c0c68 6475 if (!local->wep_capable)
4be757dd 6476 return -EOPNOTSUPP;
138c0c68 6477
4be757dd
DW
6478 readConfigRid(local, 1);
6479
6480 /* Determine and validate the key index */
6481 idx = encoding->flags & IW_ENCODE_INDEX;
6482 if (idx) {
138c0c68 6483 if (!valid_index(local, idx - 1))
4be757dd
DW
6484 return -EINVAL;
6485 idx--;
c0380693
DW
6486 } else {
6487 idx = get_wep_tx_idx(local);
6488 if (idx < 0)
6489 idx = 0;
6490 }
4be757dd
DW
6491
6492 if (encoding->flags & IW_ENCODE_DISABLED)
6493 alg = IW_ENCODE_ALG_NONE;
6494
4be757dd 6495 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW
6496 /* Only set transmit key index here, actual
6497 * key is set below if needed.
6498 */
c0380693
DW
6499 rc = set_wep_tx_idx(local, idx, perm, 1);
6500 if (rc < 0) {
6501 airo_print_err(local->dev->name, "failed to set "
6502 "WEP transmit index to %d: %d.",
6503 idx, rc);
6504 return rc;
6505 }
22d8846e
DW
6506 set_key = ext->key_len > 0 ? 1 : 0;
6507 }
6508
6509 if (set_key) {
4be757dd
DW
6510 /* Set the requested key first */
6511 memset(key.key, 0, MAX_KEY_SIZE);
6512 switch (alg) {
6513 case IW_ENCODE_ALG_NONE:
6514 key.len = 0;
6515 break;
6516 case IW_ENCODE_ALG_WEP:
6517 if (ext->key_len > MIN_KEY_SIZE) {
6518 key.len = MAX_KEY_SIZE;
6519 } else if (ext->key_len > 0) {
6520 key.len = MIN_KEY_SIZE;
6521 } else {
6522 return -EINVAL;
6523 }
6524 key_len = min (ext->key_len, key.len);
6525 memcpy(key.key, ext->key, key_len);
6526 break;
6527 default:
6528 return -EINVAL;
6529 }
f09c2563
SG
6530 if (key.len == 0) {
6531 rc = set_wep_tx_idx(local, idx, perm, 1);
6532 if (rc < 0) {
6533 airo_print_err(local->dev->name,
6534 "failed to set WEP transmit index to %d: %d.",
6535 idx, rc);
6536 return rc;
6537 }
6538 } else {
6539 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6540 if (rc < 0) {
6541 airo_print_err(local->dev->name,
6542 "failed to set WEP key at index %d: %d.",
6543 idx, rc);
6544 return rc;
6545 }
c0380693 6546 }
4be757dd
DW
6547 }
6548
6549 /* Read the flags */
6550 if(encoding->flags & IW_ENCODE_DISABLED)
6551 local->config.authType = AUTH_OPEN; // disable encryption
6552 if(encoding->flags & IW_ENCODE_RESTRICTED)
6553 local->config.authType = AUTH_SHAREDKEY; // Only Both
6554 if(encoding->flags & IW_ENCODE_OPEN)
6555 local->config.authType = AUTH_ENCRYPT; // Only Wep
6556 /* Commit the changes to flags if needed */
6557 if (local->config.authType != currentAuthType)
6558 set_bit (FLAG_COMMIT, &local->flags);
6559
6560 return -EINPROGRESS;
6561}
6562
6563
6564/*------------------------------------------------------------------*/
6565/*
6566 * Wireless Handler : get extended Encryption parameters
6567 */
6568static int airo_get_encodeext(struct net_device *dev,
6569 struct iw_request_info *info,
6570 union iwreq_data *wrqu,
6571 char *extra)
6572{
faf3994a 6573 struct airo_info *local = dev->ml_priv;
4be757dd
DW
6574 struct iw_point *encoding = &wrqu->encoding;
6575 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
267d493b 6576 int idx, max_key_len, wep_key_len;
c0380693 6577 u8 buf[16];
4be757dd 6578
138c0c68 6579 if (!local->wep_capable)
4be757dd 6580 return -EOPNOTSUPP;
138c0c68 6581
4be757dd
DW
6582 readConfigRid(local, 1);
6583
6584 max_key_len = encoding->length - sizeof(*ext);
6585 if (max_key_len < 0)
6586 return -EINVAL;
6587
6588 idx = encoding->flags & IW_ENCODE_INDEX;
6589 if (idx) {
138c0c68 6590 if (!valid_index(local, idx - 1))
4be757dd
DW
6591 return -EINVAL;
6592 idx--;
c0380693
DW
6593 } else {
6594 idx = get_wep_tx_idx(local);
6595 if (idx < 0)
6596 idx = 0;
6597 }
4be757dd
DW
6598
6599 encoding->flags = idx + 1;
6600 memset(ext, 0, sizeof(*ext));
6601
6602 /* Check encryption mode */
6603 switch(local->config.authType) {
6604 case AUTH_ENCRYPT:
6605 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6606 break;
6607 case AUTH_SHAREDKEY:
6608 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6609 break;
6610 default:
6611 case AUTH_OPEN:
6612 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6613 break;
6614 }
6615 /* We can't return the key, so set the proper flag and return zero */
6616 encoding->flags |= IW_ENCODE_NOKEY;
6617 memset(extra, 0, 16);
6618
6619 /* Copy the key to the user buffer */
267d493b
JL
6620 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6621 if (wep_key_len < 0) {
aedec922 6622 ext->key_len = 0;
267d493b
JL
6623 } else {
6624 ext->key_len = wep_key_len;
6625 memcpy(extra, buf, ext->key_len);
6626 }
4be757dd
DW
6627
6628 return 0;
6629}
6630
6631
6632/*------------------------------------------------------------------*/
6633/*
6634 * Wireless Handler : set extended authentication parameters
6635 */
6636static int airo_set_auth(struct net_device *dev,
6637 struct iw_request_info *info,
6638 union iwreq_data *wrqu, char *extra)
6639{
faf3994a 6640 struct airo_info *local = dev->ml_priv;
4be757dd 6641 struct iw_param *param = &wrqu->param;
3eb9b41f 6642 __le16 currentAuthType = local->config.authType;
4be757dd
DW
6643
6644 switch (param->flags & IW_AUTH_INDEX) {
6645 case IW_AUTH_WPA_VERSION:
6646 case IW_AUTH_CIPHER_PAIRWISE:
6647 case IW_AUTH_CIPHER_GROUP:
6648 case IW_AUTH_KEY_MGMT:
6649 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6650 case IW_AUTH_PRIVACY_INVOKED:
6651 /*
6652 * airo does not use these parameters
6653 */
6654 break;
6655
6656 case IW_AUTH_DROP_UNENCRYPTED:
6657 if (param->value) {
6658 /* Only change auth type if unencrypted */
6659 if (currentAuthType == AUTH_OPEN)
6660 local->config.authType = AUTH_ENCRYPT;
6661 } else {
6662 local->config.authType = AUTH_OPEN;
6663 }
6664
6665 /* Commit the changes to flags if needed */
6666 if (local->config.authType != currentAuthType)
6667 set_bit (FLAG_COMMIT, &local->flags);
6668 break;
6669
6670 case IW_AUTH_80211_AUTH_ALG: {
6671 /* FIXME: What about AUTH_OPEN? This API seems to
6672 * disallow setting our auth to AUTH_OPEN.
6673 */
6674 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6675 local->config.authType = AUTH_SHAREDKEY;
6676 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6677 local->config.authType = AUTH_ENCRYPT;
6678 } else
6679 return -EINVAL;
4be757dd
DW
6680
6681 /* Commit the changes to flags if needed */
6682 if (local->config.authType != currentAuthType)
6683 set_bit (FLAG_COMMIT, &local->flags);
011f5c5b 6684 break;
4be757dd
DW
6685 }
6686
6687 case IW_AUTH_WPA_ENABLED:
6688 /* Silently accept disable of WPA */
6689 if (param->value > 0)
6690 return -EOPNOTSUPP;
6691 break;
6692
6693 default:
6694 return -EOPNOTSUPP;
6695 }
6696 return -EINPROGRESS;
6697}
6698
6699
6700/*------------------------------------------------------------------*/
6701/*
6702 * Wireless Handler : get extended authentication parameters
6703 */
6704static int airo_get_auth(struct net_device *dev,
6705 struct iw_request_info *info,
6706 union iwreq_data *wrqu, char *extra)
6707{
faf3994a 6708 struct airo_info *local = dev->ml_priv;
4be757dd 6709 struct iw_param *param = &wrqu->param;
3eb9b41f 6710 __le16 currentAuthType = local->config.authType;
4be757dd
DW
6711
6712 switch (param->flags & IW_AUTH_INDEX) {
6713 case IW_AUTH_DROP_UNENCRYPTED:
6714 switch (currentAuthType) {
6715 case AUTH_SHAREDKEY:
6716 case AUTH_ENCRYPT:
6717 param->value = 1;
6718 break;
6719 default:
6720 param->value = 0;
6721 break;
6722 }
6723 break;
6724
6725 case IW_AUTH_80211_AUTH_ALG:
6726 switch (currentAuthType) {
6727 case AUTH_SHAREDKEY:
6728 param->value = IW_AUTH_ALG_SHARED_KEY;
6729 break;
6730 case AUTH_ENCRYPT:
6731 default:
6732 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6733 break;
6734 }
6735 break;
6736
6737 case IW_AUTH_WPA_ENABLED:
6738 param->value = 0;
6739 break;
6740
6741 default:
6742 return -EOPNOTSUPP;
6743 }
6744 return 0;
6745}
6746
6747
1da177e4
LT
6748/*------------------------------------------------------------------*/
6749/*
6750 * Wireless Handler : set Tx-Power
6751 */
6752static int airo_set_txpow(struct net_device *dev,
6753 struct iw_request_info *info,
6754 struct iw_param *vwrq,
6755 char *extra)
6756{
faf3994a 6757 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6758 CapabilityRid cap_rid; /* Card capability info */
6759 int i;
6760 int rc = -EINVAL;
3eb9b41f 6761 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT
6762
6763 readCapabilityRid(local, &cap_rid, 1);
6764
6765 if (vwrq->disabled) {
6766 set_bit (FLAG_RADIO_OFF, &local->flags);
6767 set_bit (FLAG_COMMIT, &local->flags);
6768 return -EINPROGRESS; /* Call commit handler */
6769 }
6770 if (vwrq->flags != IW_TXPOW_MWATT) {
6771 return -EINVAL;
6772 }
6773 clear_bit (FLAG_RADIO_OFF, &local->flags);
3d0ccd02 6774 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
3eb9b41f 6775 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6776 readConfigRid(local, 1);
3eb9b41f 6777 local->config.txPower = v;
1da177e4
LT
6778 set_bit (FLAG_COMMIT, &local->flags);
6779 rc = -EINPROGRESS; /* Call commit handler */
6780 break;
6781 }
6782 return rc;
6783}
6784
6785/*------------------------------------------------------------------*/
6786/*
6787 * Wireless Handler : get Tx-Power
6788 */
6789static int airo_get_txpow(struct net_device *dev,
6790 struct iw_request_info *info,
6791 struct iw_param *vwrq,
6792 char *extra)
6793{
faf3994a 6794 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6795
6796 readConfigRid(local, 1);
3eb9b41f 6797 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT
6798 vwrq->fixed = 1; /* No power control */
6799 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6800 vwrq->flags = IW_TXPOW_MWATT;
6801
6802 return 0;
6803}
6804
6805/*------------------------------------------------------------------*/
6806/*
6807 * Wireless Handler : set Retry limits
6808 */
6809static int airo_set_retry(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6812 char *extra)
6813{
faf3994a 6814 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6815 int rc = -EINVAL;
6816
6817 if(vwrq->disabled) {
6818 return -EINVAL;
6819 }
6820 readConfigRid(local, 1);
6821 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6822 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6823 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6824 local->config.longRetryLimit = v;
7f8544cc 6825 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6826 local->config.shortRetryLimit = v;
1da177e4
LT
6827 else {
6828 /* No modifier : set both */
3eb9b41f
AV
6829 local->config.longRetryLimit = v;
6830 local->config.shortRetryLimit = v;
1da177e4
LT
6831 }
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6834 }
6835 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6836 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT
6837 set_bit (FLAG_COMMIT, &local->flags);
6838 rc = -EINPROGRESS; /* Call commit handler */
6839 }
6840 return rc;
6841}
6842
6843/*------------------------------------------------------------------*/
6844/*
6845 * Wireless Handler : get Retry limits
6846 */
6847static int airo_get_retry(struct net_device *dev,
6848 struct iw_request_info *info,
6849 struct iw_param *vwrq,
6850 char *extra)
6851{
faf3994a 6852 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6853
6854 vwrq->disabled = 0; /* Can't be disabled */
6855
6856 readConfigRid(local, 1);
6857 /* Note : by default, display the min retry number */
6858 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6859 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6860 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT
6861 } else if((vwrq->flags & IW_RETRY_LONG)) {
6862 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6863 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT
6864 } else {
6865 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV
6866 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6867 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6868 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT
6869 }
6870
6871 return 0;
6872}
6873
6874/*------------------------------------------------------------------*/
6875/*
6876 * Wireless Handler : get range info
6877 */
6878static int airo_get_range(struct net_device *dev,
6879 struct iw_request_info *info,
6880 struct iw_point *dwrq,
6881 char *extra)
6882{
faf3994a 6883 struct airo_info *local = dev->ml_priv;
1da177e4
LT
6884 struct iw_range *range = (struct iw_range *) extra;
6885 CapabilityRid cap_rid; /* Card capability info */
6886 int i;
6887 int k;
6888
6889 readCapabilityRid(local, &cap_rid, 1);
6890
6891 dwrq->length = sizeof(struct iw_range);
6892 memset(range, 0, sizeof(*range));
6893 range->min_nwid = 0x0000;
6894 range->max_nwid = 0x0000;
6895 range->num_channels = 14;
6896 /* Should be based on cap_rid.country to give only
6897 * what the current card support */
6898 k = 0;
6899 for(i = 0; i < 14; i++) {
6900 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK
6901 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6902 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT
6903 }
6904 range->num_frequency = k;
6905
41480af2
DW
6906 range->sensitivity = 65535;
6907
1da177e4 6908 /* Hum... Should put the right values there */
41480af2
DW
6909 if (local->rssi)
6910 range->max_qual.qual = 100; /* % */
6911 else
6912 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT
6913 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6914 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW
6915
6916 /* Experimental measurements - boundary 11/5.5 Mb/s */
6917 /* Note : with or without the (local->rssi), results
6918 * are somewhat different. - Jean II */
6919 if (local->rssi) {
ce6623c3
JT
6920 range->avg_qual.qual = 50; /* % */
6921 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW
6922 } else {
6923 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6924 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6925 }
ce6623c3 6926 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT
6927
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6930 if(range->bitrate[i] == 0)
6931 break;
6932 }
6933 range->num_bitrates = i;
6934
6935 /* Set an indication of the max TCP throughput
6936 * in bit/s that we can expect using this interface.
6937 * May be use for QoS stuff... Jean II */
6938 if(i > 2)
6939 range->throughput = 5000 * 1000;
6940 else
6941 range->throughput = 1500 * 1000;
6942
6943 range->min_rts = 0;
15db2763 6944 range->max_rts = AIRO_DEF_MTU;
1da177e4 6945 range->min_frag = 256;
15db2763 6946 range->max_frag = AIRO_DEF_MTU;
1da177e4 6947
56d81bd3 6948 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT
6949 // WEP: RC4 40 bits
6950 range->encoding_size[0] = 5;
6951 // RC4 ~128 bits
56d81bd3 6952 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT
6953 range->encoding_size[1] = 13;
6954 range->num_encoding_sizes = 2;
6955 } else
6956 range->num_encoding_sizes = 1;
56d81bd3
AV
6957 range->max_encoding_tokens =
6958 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT
6959 } else {
6960 range->num_encoding_sizes = 0;
6961 range->max_encoding_tokens = 0;
6962 }
6963 range->min_pmp = 0;
6964 range->max_pmp = 5000000; /* 5 secs */
6965 range->min_pmt = 0;
6966 range->max_pmt = 65535 * 1024; /* ??? */
6967 range->pmp_flags = IW_POWER_PERIOD;
6968 range->pmt_flags = IW_POWER_TIMEOUT;
6969 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6970
6971 /* Transmit Power - values are in mW */
6972 for(i = 0 ; i < 8 ; i++) {
56d81bd3 6973 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT
6974 if(range->txpower[i] == 0)
6975 break;
6976 }
6977 range->num_txpower = i;
6978 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6979 range->we_version_source = 19;
1da177e4
LT
6980 range->we_version_compiled = WIRELESS_EXT;
6981 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6982 range->retry_flags = IW_RETRY_LIMIT;
6983 range->r_time_flags = IW_RETRY_LIFETIME;
6984 range->min_retry = 1;
6985 range->max_retry = 65535;
6986 range->min_r_time = 1024;
6987 range->max_r_time = 65535 * 1024;
1da177e4
LT
6988
6989 /* Event capability (kernel + driver) */
6990 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6991 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6993 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6994 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6995 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6996 return 0;
6997}
6998
6999/*------------------------------------------------------------------*/
7000/*
7001 * Wireless Handler : set Power Management
7002 */
7003static int airo_set_power(struct net_device *dev,
7004 struct iw_request_info *info,
7005 struct iw_param *vwrq,
7006 char *extra)
7007{
faf3994a 7008 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7009
7010 readConfigRid(local, 1);
7011 if (vwrq->disabled) {
3eb9b41f 7012 if (sniffing_mode(local))
1da177e4 7013 return -EINVAL;
1da177e4 7014 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7015 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT
7016 local->config.rmode |= RXMODE_BC_MC_ADDR;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 return -EINPROGRESS; /* Call commit handler */
7019 }
7020 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7021 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT
7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV
7025 local->config.fastListenInterval =
7026 local->config.listenInterval =
7027 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT
7028 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7029 set_bit (FLAG_COMMIT, &local->flags);
7030 }
7031 switch (vwrq->flags & IW_POWER_MODE) {
7032 case IW_POWER_UNICAST_R:
3eb9b41f 7033 if (sniffing_mode(local))
1da177e4 7034 return -EINVAL;
3eb9b41f 7035 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT
7036 local->config.rmode |= RXMODE_ADDR;
7037 set_bit (FLAG_COMMIT, &local->flags);
7038 break;
7039 case IW_POWER_ALL_R:
3eb9b41f 7040 if (sniffing_mode(local))
1da177e4 7041 return -EINVAL;
3eb9b41f 7042 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT
7043 local->config.rmode |= RXMODE_BC_MC_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 case IW_POWER_ON:
7f8544cc 7046 /* This is broken, fixme ;-) */
1da177e4
LT
7047 break;
7048 default:
7049 return -EINVAL;
7050 }
7051 // Note : we may want to factor local->need_commit here
7052 // Note2 : may also want to factor RXMODE_RFMON test
7053 return -EINPROGRESS; /* Call commit handler */
7054}
7055
7056/*------------------------------------------------------------------*/
7057/*
7058 * Wireless Handler : get Power Management
7059 */
7060static int airo_get_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7063 char *extra)
7064{
faf3994a 7065 struct airo_info *local = dev->ml_priv;
3eb9b41f 7066 __le16 mode;
1da177e4
LT
7067
7068 readConfigRid(local, 1);
7069 mode = local->config.powerSaveMode;
7070 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7071 return 0;
7072 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7073 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT
7074 vwrq->flags = IW_POWER_TIMEOUT;
7075 } else {
3eb9b41f 7076 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT
7077 vwrq->flags = IW_POWER_PERIOD;
7078 }
3eb9b41f 7079 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT
7080 vwrq->flags |= IW_POWER_UNICAST_R;
7081 else
7082 vwrq->flags |= IW_POWER_ALL_R;
7083
7084 return 0;
7085}
7086
7087/*------------------------------------------------------------------*/
7088/*
7089 * Wireless Handler : set Sensitivity
7090 */
7091static int airo_set_sens(struct net_device *dev,
7092 struct iw_request_info *info,
7093 struct iw_param *vwrq,
7094 char *extra)
7095{
faf3994a 7096 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7097
7098 readConfigRid(local, 1);
3eb9b41f
AV
7099 local->config.rssiThreshold =
7100 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT
7101 set_bit (FLAG_COMMIT, &local->flags);
7102
7103 return -EINPROGRESS; /* Call commit handler */
7104}
7105
7106/*------------------------------------------------------------------*/
7107/*
7108 * Wireless Handler : get Sensitivity
7109 */
7110static int airo_get_sens(struct net_device *dev,
7111 struct iw_request_info *info,
7112 struct iw_param *vwrq,
7113 char *extra)
7114{
faf3994a 7115 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7116
7117 readConfigRid(local, 1);
3eb9b41f 7118 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT
7119 vwrq->disabled = (vwrq->value == 0);
7120 vwrq->fixed = 1;
7121
7122 return 0;
7123}
7124
7125/*------------------------------------------------------------------*/
7126/*
7127 * Wireless Handler : get AP List
7128 * Note : this is deprecated in favor of IWSCAN
7129 */
7130static int airo_get_aplist(struct net_device *dev,
7131 struct iw_request_info *info,
7132 struct iw_point *dwrq,
7133 char *extra)
7134{
faf3994a 7135 struct airo_info *local = dev->ml_priv;
1da177e4 7136 struct sockaddr *address = (struct sockaddr *) extra;
998a5a7d 7137 struct iw_quality *qual;
1da177e4
LT
7138 BSSListRid BSSList;
7139 int i;
7140 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7141
998a5a7d
FS
7142 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7143 if (!qual)
7144 return -ENOMEM;
7145
1da177e4 7146 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7147 u16 dBm;
1da177e4
LT
7148 if (readBSSListRid(local, loseSync, &BSSList))
7149 break;
7150 loseSync = 0;
7151 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7152 address[i].sa_family = ARPHRD_ETHER;
17e70491 7153 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7154 if (local->rssi) {
17e70491
AV
7155 qual[i].level = 0x100 - dBm;
7156 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT
7157 qual[i].updated = IW_QUAL_QUAL_UPDATED
7158 | IW_QUAL_LEVEL_UPDATED
7159 | IW_QUAL_DBM;
41480af2 7160 } else {
17e70491 7161 qual[i].level = (dBm + 321) / 2;
41480af2 7162 qual[i].qual = 0;
ce6623c3
JT
7163 qual[i].updated = IW_QUAL_QUAL_INVALID
7164 | IW_QUAL_LEVEL_UPDATED
7165 | IW_QUAL_DBM;
41480af2
DW
7166 }
7167 qual[i].noise = local->wstats.qual.noise;
17e70491 7168 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT
7169 break;
7170 }
7171 if (!i) {
7172 StatusRid status_rid; /* Card status info */
7173 readStatusRid(local, &status_rid, 1);
7174 for (i = 0;
7175 i < min(IW_MAX_AP, 4) &&
7176 (status_rid.bssid[i][0]
7177 & status_rid.bssid[i][1]
7178 & status_rid.bssid[i][2]
7179 & status_rid.bssid[i][3]
7180 & status_rid.bssid[i][4]
7181 & status_rid.bssid[i][5])!=0xff &&
7182 (status_rid.bssid[i][0]
7183 | status_rid.bssid[i][1]
7184 | status_rid.bssid[i][2]
7185 | status_rid.bssid[i][3]
7186 | status_rid.bssid[i][4]
7187 | status_rid.bssid[i][5]);
7188 i++) {
7189 memcpy(address[i].sa_data,
7190 status_rid.bssid[i], ETH_ALEN);
7191 address[i].sa_family = ARPHRD_ETHER;
7192 }
7193 } else {
7194 dwrq->flags = 1; /* Should be define'd */
7f59ebb5
DC
7195 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7196 sizeof(struct iw_quality) * i);
1da177e4
LT
7197 }
7198 dwrq->length = i;
7199
998a5a7d 7200 kfree(qual);
1da177e4
LT
7201 return 0;
7202}
7203
7204/*------------------------------------------------------------------*/
7205/*
7206 * Wireless Handler : Initiate Scan
7207 */
7208static int airo_set_scan(struct net_device *dev,
7209 struct iw_request_info *info,
9930ccee 7210 struct iw_point *dwrq,
1da177e4
LT
7211 char *extra)
7212{
faf3994a 7213 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
7214 Cmd cmd;
7215 Resp rsp;
9e75af30 7216 int wake = 0;
1da177e4
LT
7217
7218 /* Note : you may have realised that, as this is a SET operation,
7219 * this is privileged and therefore a normal user can't
7220 * perform scanning.
7221 * This is not an error, while the device perform scanning,
7222 * traffic doesn't flow, so it's a perfect DoS...
7223 * Jean II */
7224 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7225
9e75af30
DW
7226 if (down_interruptible(&ai->sem))
7227 return -ERESTARTSYS;
7228
7229 /* If there's already a scan in progress, don't
7230 * trigger another one. */
7231 if (ai->scan_timeout > 0)
7232 goto out;
7233
1da177e4 7234 /* Initiate a scan command */
6fcdf565 7235 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT
7236 memset(&cmd, 0, sizeof(cmd));
7237 cmd.cmd=CMD_LISTBSS;
1da177e4 7238 issuecommand(ai, &cmd, &rsp);
9e75af30 7239 wake = 1;
1da177e4 7240
9e75af30
DW
7241out:
7242 up(&ai->sem);
7243 if (wake)
7244 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT
7245 return 0;
7246}
7247
7248/*------------------------------------------------------------------*/
7249/*
7250 * Translate scan data returned from the card to a card independent
7251 * format that the Wireless Tools will understand - Jean II
7252 */
7253static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7254 struct iw_request_info *info,
1da177e4
LT
7255 char *current_ev,
7256 char *end_buf,
41480af2 7257 BSSListRid *bss)
1da177e4 7258{
faf3994a 7259 struct airo_info *ai = dev->ml_priv;
1da177e4 7260 struct iw_event iwe; /* Temporary buffer */
17e70491 7261 __le16 capabilities;
1da177e4
LT
7262 char * current_val; /* For rates */
7263 int i;
3c304956 7264 char * buf;
851b3e5e 7265 u16 dBm;
1da177e4
LT
7266
7267 /* First entry *MUST* be the AP MAC address */
7268 iwe.cmd = SIOCGIWAP;
7269 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7270 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM
7271 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7272 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT
7273
7274 /* Other entries will be displayed in the order we give them */
7275
7276 /* Add the ESSID */
41480af2 7277 iwe.u.data.length = bss->ssidLen;
1da177e4
LT
7278 if(iwe.u.data.length > 32)
7279 iwe.u.data.length = 32;
7280 iwe.cmd = SIOCGIWESSID;
7281 iwe.u.data.flags = 1;
ccc58057
DM
7282 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7283 &iwe, bss->ssid);
1da177e4
LT
7284
7285 /* Add mode */
7286 iwe.cmd = SIOCGIWMODE;
17e70491 7287 capabilities = bss->cap;
1da177e4
LT
7288 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7289 if(capabilities & CAP_ESS)
7290 iwe.u.mode = IW_MODE_MASTER;
7291 else
7292 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM
7293 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7294 &iwe, IW_EV_UINT_LEN);
1da177e4
LT
7295 }
7296
7297 /* Add frequency */
7298 iwe.cmd = SIOCGIWFREQ;
41480af2 7299 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7300 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7301 iwe.u.freq.e = 1;
ccc58057
DM
7302 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7303 &iwe, IW_EV_FREQ_LEN);
1da177e4 7304
851b3e5e
AV
7305 dBm = le16_to_cpu(bss->dBm);
7306
1da177e4
LT
7307 /* Add quality statistics */
7308 iwe.cmd = IWEVQUAL;
41480af2 7309 if (ai->rssi) {
851b3e5e
AV
7310 iwe.u.qual.level = 0x100 - dBm;
7311 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT
7312 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7313 | IW_QUAL_LEVEL_UPDATED
7314 | IW_QUAL_DBM;
41480af2 7315 } else {
851b3e5e 7316 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7317 iwe.u.qual.qual = 0;
bbeec90b 7318 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT
7319 | IW_QUAL_LEVEL_UPDATED
7320 | IW_QUAL_DBM;
41480af2
DW
7321 }
7322 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM
7323 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7324 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT
7325
7326 /* Add encryption capability */
7327 iwe.cmd = SIOCGIWENCODE;
7328 if(capabilities & CAP_PRIVACY)
7329 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7330 else
7331 iwe.u.data.flags = IW_ENCODE_DISABLED;
7332 iwe.u.data.length = 0;
ccc58057
DM
7333 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7334 &iwe, bss->ssid);
1da177e4
LT
7335
7336 /* Rate : stuffing multiple values in a single event require a bit
7337 * more of magic - Jean II */
ccc58057 7338 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT
7339
7340 iwe.cmd = SIOCGIWRATE;
7341 /* Those two flags are ignored... */
7342 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7343 /* Max 8 values */
7344 for(i = 0 ; i < 8 ; i++) {
7345 /* NULL terminated */
41480af2 7346 if(bss->rates[i] == 0)
1da177e4
LT
7347 break;
7348 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7349 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7350 /* Add new value to event */
ccc58057
DM
7351 current_val = iwe_stream_add_value(info, current_ev,
7352 current_val, end_buf,
7353 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT
7354 }
7355 /* Check if we added any event */
ccc58057 7356 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT
7357 current_ev = current_val;
7358
3c304956
DW
7359 /* Beacon interval */
7360 buf = kmalloc(30, GFP_KERNEL);
7361 if (buf) {
7362 iwe.cmd = IWEVCUSTOM;
7363 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7364 iwe.u.data.length = strlen(buf);
ccc58057
DM
7365 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7366 &iwe, buf);
3c304956
DW
7367 kfree(buf);
7368 }
7369
7370 /* Put WPA/RSN Information Elements into the event stream */
7371 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7372 unsigned int num_null_ies = 0;
7373 u16 length = sizeof (bss->extra.iep);
2c706002 7374 u8 *ie = (void *)&bss->extra.iep;
3c304956 7375
2c706002
JB
7376 while ((length >= 2) && (num_null_ies < 2)) {
7377 if (2 + ie[1] > length) {
3c304956
DW
7378 /* Invalid element, don't continue parsing IE */
7379 break;
7380 }
7381
2c706002
JB
7382 switch (ie[0]) {
7383 case WLAN_EID_SSID:
3c304956
DW
7384 /* Two zero-length SSID elements
7385 * mean we're done parsing elements */
2c706002 7386 if (!ie[1])
3c304956
DW
7387 num_null_ies++;
7388 break;
7389
04b2312a 7390 case WLAN_EID_VENDOR_SPECIFIC:
2c706002
JB
7391 if (ie[1] >= 4 &&
7392 ie[2] == 0x00 &&
7393 ie[3] == 0x50 &&
7394 ie[4] == 0xf2 &&
7395 ie[5] == 0x01) {
3c304956 7396 iwe.cmd = IWEVGENIE;
2c706002
JB
7397 /* 64 is an arbitrary cut-off */
7398 iwe.u.data.length = min(ie[1] + 2,
7399 64);
ccc58057
DM
7400 current_ev = iwe_stream_add_point(
7401 info, current_ev,
2c706002 7402 end_buf, &iwe, ie);
3c304956
DW
7403 }
7404 break;
7405
2c706002 7406 case WLAN_EID_RSN:
3c304956 7407 iwe.cmd = IWEVGENIE;
2c706002
JB
7408 /* 64 is an arbitrary cut-off */
7409 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM
7410 current_ev = iwe_stream_add_point(
7411 info, current_ev, end_buf,
2c706002 7412 &iwe, ie);
3c304956
DW
7413 break;
7414
7415 default:
7416 break;
7417 }
7418
2c706002
JB
7419 length -= 2 + ie[1];
7420 ie += 2 + ie[1];
3c304956
DW
7421 }
7422 }
1da177e4
LT
7423 return current_ev;
7424}
7425
7426/*------------------------------------------------------------------*/
7427/*
7428 * Wireless Handler : Read Scan Results
7429 */
7430static int airo_get_scan(struct net_device *dev,
7431 struct iw_request_info *info,
7432 struct iw_point *dwrq,
7433 char *extra)
7434{
faf3994a 7435 struct airo_info *ai = dev->ml_priv;
9e75af30
DW
7436 BSSListElement *net;
7437 int err = 0;
1da177e4
LT
7438 char *current_ev = extra;
7439
9e75af30
DW
7440 /* If a scan is in-progress, return -EAGAIN */
7441 if (ai->scan_timeout > 0)
1da177e4 7442 return -EAGAIN;
1da177e4 7443
9e75af30
DW
7444 if (down_interruptible(&ai->sem))
7445 return -EAGAIN;
1da177e4 7446
9e75af30 7447 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7448 /* Translate to WE format this entry */
ccc58057 7449 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7450 extra + dwrq->length,
9e75af30 7451 &net->bss);
1da177e4
LT
7452
7453 /* Check if there is space for one more entry */
7454 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7455 /* Ask user space to try again with a bigger buffer */
9e75af30
DW
7456 err = -E2BIG;
7457 goto out;
1da177e4 7458 }
1da177e4 7459 }
9e75af30 7460
1da177e4
LT
7461 /* Length of data */
7462 dwrq->length = (current_ev - extra);
7463 dwrq->flags = 0; /* todo */
7464
9e75af30
DW
7465out:
7466 up(&ai->sem);
7467 return err;
1da177e4
LT
7468}
7469
7470/*------------------------------------------------------------------*/
7471/*
7472 * Commit handler : called after a bunch of SET operations
7473 */
7474static int airo_config_commit(struct net_device *dev,
7475 struct iw_request_info *info, /* NULL */
7476 void *zwrq, /* NULL */
7477 char *extra) /* NULL */
7478{
faf3994a 7479 struct airo_info *local = dev->ml_priv;
1da177e4
LT
7480
7481 if (!test_bit (FLAG_COMMIT, &local->flags))
7482 return 0;
7483
7484 /* Some of the "SET" function may have modified some of the
7485 * parameters. It's now time to commit them in the card */
7486 disable_MAC(local, 1);
7487 if (test_bit (FLAG_RESET, &local->flags)) {
7488 APListRid APList_rid;
7489 SsidRid SSID_rid;
7490
7491 readAPListRid(local, &APList_rid);
7492 readSsidRid(local, &SSID_rid);
7493 if (test_bit(FLAG_MPI,&local->flags))
7494 setup_card(local, dev->dev_addr, 1 );
7495 else
7496 reset_airo_card(dev);
7497 disable_MAC(local, 1);
7498 writeSsidRid(local, &SSID_rid, 1);
7499 writeAPListRid(local, &APList_rid, 1);
7500 }
7501 if (down_interruptible(&local->sem))
7502 return -ERESTARTSYS;
7503 writeConfigRid(local, 0);
175ec1a1 7504 enable_MAC(local, 0);
1da177e4
LT
7505 if (test_bit (FLAG_RESET, &local->flags))
7506 airo_set_promisc(local);
7507 else
7508 up(&local->sem);
7509
7510 return 0;
7511}
7512
7513/*------------------------------------------------------------------*/
7514/*
7515 * Structures to export the Wireless Handlers
7516 */
7517
7518static const struct iw_priv_args airo_private_args[] = {
7519/*{ cmd, set_args, get_args, name } */
7520 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7521 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7522 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7523 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7524};
7525
7526static const iw_handler airo_handler[] =
7527{
7528 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7529 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7530 (iw_handler) NULL, /* SIOCSIWNWID */
7531 (iw_handler) NULL, /* SIOCGIWNWID */
7532 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7533 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7534 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7535 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7536 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7537 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7538 (iw_handler) NULL, /* SIOCSIWRANGE */
7539 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7540 (iw_handler) NULL, /* SIOCSIWPRIV */
7541 (iw_handler) NULL, /* SIOCGIWPRIV */
7542 (iw_handler) NULL, /* SIOCSIWSTATS */
7543 (iw_handler) NULL, /* SIOCGIWSTATS */
7544 iw_handler_set_spy, /* SIOCSIWSPY */
7545 iw_handler_get_spy, /* SIOCGIWSPY */
7546 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7547 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7548 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7549 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7552 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7553 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7554 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7555 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7556 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7557 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) NULL, /* -- hole -- */
7560 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7561 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7562 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7563 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7564 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7565 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7566 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7567 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7568 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7569 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7570 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7571 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7572 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7573 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW
7574 (iw_handler) NULL, /* -- hole -- */
7575 (iw_handler) NULL, /* -- hole -- */
7576 (iw_handler) NULL, /* SIOCSIWGENIE */
7577 (iw_handler) NULL, /* SIOCGIWGENIE */
7578 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7579 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7580 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7581 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7582 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT
7583};
7584
7585/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7586 * We want to force the use of the ioctl code, because those can't be
7587 * won't work the iw_handler code (because they simultaneously read
7588 * and write data and iw_handler can't do that).
7589 * Note that it's perfectly legal to read/write on a single ioctl command,
7590 * you just can't use iwpriv and need to force it via the ioctl handler.
7591 * Jean II */
7592static const iw_handler airo_private_handler[] =
7593{
7594 NULL, /* SIOCIWFIRSTPRIV */
7595};
7596
7597static const struct iw_handler_def airo_handler_def =
7598{
ff8ac609
DC
7599 .num_standard = ARRAY_SIZE(airo_handler),
7600 .num_private = ARRAY_SIZE(airo_private_handler),
7601 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT
7602 .standard = airo_handler,
7603 .private = airo_private_handler,
7604 .private_args = airo_private_args,
7605 .get_wireless_stats = airo_get_wireless_stats,
7606};
7607
1da177e4
LT
7608/*
7609 * This defines the configuration part of the Wireless Extensions
7610 * Note : irq and spinlock protection will occur in the subroutines
7611 *
7612 * TODO :
7613 * o Check input value more carefully and fill correct values in range
7614 * o Test and shakeout the bugs (if any)
7615 *
7616 * Jean II
7617 *
7618 * Javier Achirica did a great job of merging code from the unnamed CISCO
7619 * developer that added support for flashing the card.
7620 */
7621static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7622{
7623 int rc = 0;
faf3994a 7624 struct airo_info *ai = dev->ml_priv;
1da177e4 7625
ca078bae 7626 if (ai->power.event)
1da177e4
LT
7627 return 0;
7628
7629 switch (cmd) {
7630#ifdef CISCO_EXT
7631 case AIROIDIFC:
7632#ifdef AIROOLDIDIFC
7633 case AIROOLDIDIFC:
7634#endif
7635 {
7636 int val = AIROMAGIC;
7637 aironet_ioctl com;
7638 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7639 rc = -EFAULT;
7640 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7641 rc = -EFAULT;
7642 }
7643 break;
7644
7645 case AIROIOCTL:
7646#ifdef AIROOLDIOCTL
7647 case AIROOLDIOCTL:
7648#endif
7649 /* Get the command struct and hand it off for evaluation by
7650 * the proper subfunction
7651 */
7652 {
7653 aironet_ioctl com;
7654 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7655 rc = -EFAULT;
7656 break;
7657 }
7658
7659 /* Separate R/W functions bracket legality here
7660 */
7661 if ( com.command == AIRORSWVERSION ) {
7662 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7663 rc = -EFAULT;
7664 else
7665 rc = 0;
7666 }
7667 else if ( com.command <= AIRORRID)
7668 rc = readrids(dev,&com);
7669 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7670 rc = writerids(dev,&com);
7671 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7672 rc = flashcard(dev,&com);
7673 else
7674 rc = -EINVAL; /* Bad command in ioctl */
7675 }
7676 break;
7677#endif /* CISCO_EXT */
7678
7679 // All other calls are currently unsupported
7680 default:
7681 rc = -EOPNOTSUPP;
7682 }
7683 return rc;
7684}
7685
1da177e4
LT
7686/*
7687 * Get the Wireless stats out of the driver
7688 * Note : irq and spinlock protection will occur in the subroutines
7689 *
7690 * TODO :
7691 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7692 *
7693 * Jean
7694 */
7695static void airo_read_wireless_stats(struct airo_info *local)
7696{
7697 StatusRid status_rid;
7698 StatsRid stats_rid;
7699 CapabilityRid cap_rid;
a23ace5f 7700 __le32 *vals = stats_rid.vals;
1da177e4
LT
7701
7702 /* Get stats out of the card */
3c304956 7703 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7704 if (local->power.event) {
1da177e4
LT
7705 up(&local->sem);
7706 return;
7707 }
7708 readCapabilityRid(local, &cap_rid, 0);
7709 readStatusRid(local, &status_rid, 0);
7710 readStatsRid(local, &stats_rid, RID_STATS, 0);
7711 up(&local->sem);
7712
7713 /* The status */
329e2c00 7714 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7715
41480af2
DW
7716 /* Signal quality and co */
7717 if (local->rssi) {
329e2c00
AV
7718 local->wstats.qual.level =
7719 airo_rssi_to_dbm(local->rssi,
7720 le16_to_cpu(status_rid.sigQuality));
41480af2 7721 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV
7722 local->wstats.qual.qual =
7723 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7724 } else {
329e2c00
AV
7725 local->wstats.qual.level =
7726 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW
7727 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7728 }
329e2c00 7729 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7730 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7731 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT
7732 } else {
7733 local->wstats.qual.noise = 0;
ce6623c3 7734 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT
7735 }
7736
7737 /* Packets discarded in the wireless adapter due to wireless
7738 * specific problems */
a23ace5f
AV
7739 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7740 le32_to_cpu(vals[57]) +
7741 le32_to_cpu(vals[58]); /* SSID Mismatch */
7742 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7743 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7744 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7745 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7746 le32_to_cpu(vals[32]);
7747 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT
7748}
7749
ff1d2767 7750static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7751{
faf3994a 7752 struct airo_info *local = dev->ml_priv;
1da177e4 7753
3c304956 7754 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT
7755 /* Get stats out of the card if available */
7756 if (down_trylock(&local->sem) != 0) {
3c304956 7757 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT
7758 wake_up_interruptible(&local->thr_wait);
7759 } else
7760 airo_read_wireless_stats(local);
7761 }
7762
7763 return &local->wstats;
7764}
1da177e4
LT
7765
7766#ifdef CISCO_EXT
7767/*
7768 * This just translates from driver IOCTL codes to the command codes to
7769 * feed to the radio's host interface. Things can be added/deleted
7770 * as needed. This represents the READ side of control I/O to
7771 * the card
7772 */
7773static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7774 unsigned short ridcode;
7775 unsigned char *iobuf;
7776 int len;
faf3994a 7777 struct airo_info *ai = dev->ml_priv;
1da177e4
LT
7778
7779 if (test_bit(FLAG_FLASHING, &ai->flags))
7780 return -EIO;
7781
7782 switch(comp->command)
7783 {
7784 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7785 case AIROGCFG: ridcode = RID_CONFIG;
7786 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7787 disable_MAC (ai, 1);
7788 writeConfigRid (ai, 1);
175ec1a1 7789 enable_MAC(ai, 1);
1da177e4
LT
7790 }
7791 break;
7792 case AIROGSLIST: ridcode = RID_SSID; break;
7793 case AIROGVLIST: ridcode = RID_APLIST; break;
7794 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7795 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7796 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7797 /* Only super-user can read WEP keys */
7798 if (!capable(CAP_NET_ADMIN))
7799 return -EPERM;
7800 break;
7801 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7802 /* Only super-user can read WEP keys */
7803 if (!capable(CAP_NET_ADMIN))
7804 return -EPERM;
7805 break;
7806 case AIROGSTAT: ridcode = RID_STATUS; break;
7807 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7808 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT
7809 case AIROGMICSTATS:
7810 if (copy_to_user(comp->data, &ai->micstats,
7811 min((int)comp->len,(int)sizeof(ai->micstats))))
7812 return -EFAULT;
7813 return 0;
1da177e4
LT
7814 case AIRORRID: ridcode = comp->ridnum; break;
7815 default:
7816 return -EINVAL;
7817 break;
7818 }
7819
7820 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7821 return -ENOMEM;
7822
7823 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7824 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7825 * then return it to the user
7826 * 9/22/2000 Honor user given length
7827 */
7828 len = comp->len;
7829
7830 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7831 kfree (iobuf);
7832 return -EFAULT;
7833 }
7834 kfree (iobuf);
7835 return 0;
7836}
7837
7838/*
7839 * Danger Will Robinson write the rids here
7840 */
7841
7842static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7843 struct airo_info *ai = dev->ml_priv;
1da177e4 7844 int ridcode;
1da177e4 7845 int enabled;
1da177e4
LT
7846 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7847 unsigned char *iobuf;
7848
7849 /* Only super-user can write RIDs */
7850 if (!capable(CAP_NET_ADMIN))
7851 return -EPERM;
7852
7853 if (test_bit(FLAG_FLASHING, &ai->flags))
7854 return -EIO;
7855
7856 ridcode = 0;
7857 writer = do_writerid;
7858
7859 switch(comp->command)
7860 {
7861 case AIROPSIDS: ridcode = RID_SSID; break;
7862 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7863 case AIROPAPLIST: ridcode = RID_APLIST; break;
7864 case AIROPCFG: ai->config.len = 0;
7865 clear_bit(FLAG_COMMIT, &ai->flags);
7866 ridcode = RID_CONFIG; break;
7867 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7868 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7869 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7870 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7871 break;
7872 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7873 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7874
7875 /* this is not really a rid but a command given to the card
7876 * same with MAC off
7877 */
7878 case AIROPMACON:
175ec1a1 7879 if (enable_MAC(ai, 1) != 0)
1da177e4
LT
7880 return -EIO;
7881 return 0;
7882
7883 /*
7884 * Evidently this code in the airo driver does not get a symbol
7885 * as disable_MAC. it's probably so short the compiler does not gen one.
7886 */
7887 case AIROPMACOFF:
7888 disable_MAC(ai, 1);
7889 return 0;
7890
7891 /* This command merely clears the counts does not actually store any data
7892 * only reads rid. But as it changes the cards state, I put it in the
7893 * writerid routines.
7894 */
7895 case AIROPSTCLR:
7896 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7897 return -ENOMEM;
7898
7899 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7900
1da177e4
LT
7901 enabled = ai->micstats.enabled;
7902 memset(&ai->micstats,0,sizeof(ai->micstats));
7903 ai->micstats.enabled = enabled;
1da177e4
LT
7904
7905 if (copy_to_user(comp->data, iobuf,
7906 min((int)comp->len, (int)RIDSIZE))) {
7907 kfree (iobuf);
7908 return -EFAULT;
7909 }
7910 kfree (iobuf);
7911 return 0;
7912
7913 default:
7914 return -EOPNOTSUPP; /* Blarg! */
7915 }
7916 if(comp->len > RIDSIZE)
7917 return -EINVAL;
7918
7919 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7920 return -ENOMEM;
7921
7922 if (copy_from_user(iobuf,comp->data,comp->len)) {
7923 kfree (iobuf);
7924 return -EFAULT;
7925 }
7926
7927 if (comp->command == AIROPCFG) {
7928 ConfigRid *cfg = (ConfigRid *)iobuf;
7929
7930 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7931 cfg->opmode |= MODE_MIC;
1da177e4 7932
3eb9b41f 7933 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT
7934 set_bit (FLAG_ADHOC, &ai->flags);
7935 else
7936 clear_bit (FLAG_ADHOC, &ai->flags);
7937 }
7938
7939 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7940 kfree (iobuf);
7941 return -EIO;
7942 }
7943 kfree (iobuf);
7944 return 0;
7945}
7946
7947/*****************************************************************************
7948 * Ancillary flash / mod functions much black magic lurkes here *
7949 *****************************************************************************
7950 */
7951
7952/*
7953 * Flash command switch table
7954 */
7955
ff1d2767 7956static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7957 int z;
1da177e4
LT
7958
7959 /* Only super-user can modify flash */
7960 if (!capable(CAP_NET_ADMIN))
7961 return -EPERM;
7962
7963 switch(comp->command)
7964 {
7965 case AIROFLSHRST:
faf3994a 7966 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT
7967
7968 case AIROFLSHSTFL:
faf3994a
WC
7969 if (!AIRO_FLASH(dev) &&
7970 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 7971 return -ENOMEM;
faf3994a 7972 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT
7973
7974 case AIROFLSHGCHR: /* Get char from aux */
7975 if(comp->len != sizeof(int))
7976 return -EINVAL;
7977 if (copy_from_user(&z,comp->data,comp->len))
7978 return -EFAULT;
faf3994a 7979 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT
7980
7981 case AIROFLSHPCHR: /* Send char to card. */
7982 if(comp->len != sizeof(int))
7983 return -EINVAL;
7984 if (copy_from_user(&z,comp->data,comp->len))
7985 return -EFAULT;
faf3994a 7986 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT
7987
7988 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 7989 if (!AIRO_FLASH(dev))
1da177e4
LT
7990 return -ENOMEM;
7991 if(comp->len > FLASHSIZE)
7992 return -EINVAL;
faf3994a 7993 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT
7994 return -EFAULT;
7995
faf3994a 7996 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT
7997 return 0;
7998
7999 case AIRORESTART:
faf3994a 8000 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT
8001 return -EIO;
8002 return 0;
8003 }
8004 return -EINVAL;
8005}
8006
8007#define FLASH_COMMAND 0x7e7e
8008
8009/*
8010 * STEP 1)
8011 * Disable MAC and do soft reset on
8012 * card.
8013 */
8014
ff1d2767 8015static int cmdreset(struct airo_info *ai) {
1da177e4
LT
8016 disable_MAC(ai, 1);
8017
8018 if(!waitbusy (ai)){
934d8bf1 8019 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT
8020 return -EBUSY;
8021 }
8022
8023 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8024
8025 ssleep(1); /* WAS 600 12/7/00 */
8026
8027 if(!waitbusy (ai)){
934d8bf1 8028 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT
8029 return -EBUSY;
8030 }
8031 return 0;
8032}
8033
8034/* STEP 2)
8035 * Put the card in legendary flash
8036 * mode
8037 */
8038
ff1d2767 8039static int setflashmode (struct airo_info *ai) {
1da177e4
LT
8040 set_bit (FLAG_FLASHING, &ai->flags);
8041
8042 OUT4500(ai, SWS0, FLASH_COMMAND);
8043 OUT4500(ai, SWS1, FLASH_COMMAND);
8044 if (probe) {
8045 OUT4500(ai, SWS0, FLASH_COMMAND);
8046 OUT4500(ai, COMMAND,0x10);
8047 } else {
8048 OUT4500(ai, SWS2, FLASH_COMMAND);
8049 OUT4500(ai, SWS3, FLASH_COMMAND);
8050 OUT4500(ai, COMMAND,0);
8051 }
8052 msleep(500); /* 500ms delay */
8053
8054 if(!waitbusy(ai)) {
8055 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8056 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT
8057 return -EIO;
8058 }
8059 return 0;
8060}
8061
8062/* Put character to SWS0 wait for dwelltime
8063 * x 50us for echo .
8064 */
8065
ff1d2767 8066static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT
8067 int echo;
8068 int waittime;
8069
8070 byte |= 0x8000;
8071
8072 if(dwelltime == 0 )
8073 dwelltime = 200;
8074
8075 waittime=dwelltime;
8076
8077 /* Wait for busy bit d15 to go false indicating buffer empty */
8078 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8079 udelay (50);
8080 waittime -= 50;
8081 }
8082
8083 /* timeout for busy clear wait */
8084 if(waittime <= 0 ){
934d8bf1 8085 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT
8086 return -EBUSY;
8087 }
8088
8089 /* Port is clear now write byte and wait for it to echo back */
8090 do {
8091 OUT4500(ai,SWS0,byte);
8092 udelay(50);
8093 dwelltime -= 50;
8094 echo = IN4500(ai,SWS1);
8095 } while (dwelltime >= 0 && echo != byte);
8096
8097 OUT4500(ai,SWS1,0);
8098
8099 return (echo == byte) ? 0 : -EIO;
8100}
8101
8102/*
8103 * Get a character from the card matching matchbyte
8104 * Step 3)
8105 */
ff1d2767 8106static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT
8107 int rchar;
8108 unsigned char rbyte=0;
8109
8110 do {
8111 rchar = IN4500(ai,SWS1);
8112
8113 if(dwelltime && !(0x8000 & rchar)){
8114 dwelltime -= 10;
8115 mdelay(10);
8116 continue;
8117 }
8118 rbyte = 0xff & rchar;
8119
8120 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8121 OUT4500(ai,SWS1,0);
8122 return 0;
8123 }
8124 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8125 break;
8126 OUT4500(ai,SWS1,0);
8127
8128 }while(dwelltime > 0);
8129 return -EIO;
8130}
8131
8132/*
8133 * Transfer 32k of firmware data from user buffer to our buffer and
8134 * send to the card
8135 */
8136
ff1d2767 8137static int flashputbuf(struct airo_info *ai){
1da177e4
LT
8138 int nwords;
8139
8140 /* Write stuff */
8141 if (test_bit(FLAG_MPI,&ai->flags))
8142 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8143 else {
8144 OUT4500(ai,AUXPAGE,0x100);
8145 OUT4500(ai,AUXOFF,0);
8146
8147 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8148 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8149 }
8150 }
8151 OUT4500(ai,SWS0,0x8000);
8152
8153 return 0;
8154}
8155
8156/*
8157 *
8158 */
ff1d2767 8159static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT
8160 int i,status;
8161
8162 ssleep(1); /* Added 12/7/00 */
8163 clear_bit (FLAG_FLASHING, &ai->flags);
8164 if (test_bit(FLAG_MPI, &ai->flags)) {
8165 status = mpi_init_descriptors(ai);
8166 if (status != SUCCESS)
8167 return status;
8168 }
8169 status = setup_card(ai, dev->dev_addr, 1);
8170
8171 if (!test_bit(FLAG_MPI,&ai->flags))
8172 for( i = 0; i < MAX_FIDS; i++ ) {
8173 ai->fids[i] = transmit_allocate
15db2763 8174 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT
8175 }
8176
8177 ssleep(1); /* Added 12/7/00 */
8178 return status;
8179}
8180#endif /* CISCO_EXT */
8181
8182/*
8183 This program is free software; you can redistribute it and/or
8184 modify it under the terms of the GNU General Public License
8185 as published by the Free Software Foundation; either version 2
8186 of the License, or (at your option) any later version.
8187
8188 This program is distributed in the hope that it will be useful,
8189 but WITHOUT ANY WARRANTY; without even the implied warranty of
8190 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8191 GNU General Public License for more details.
8192
8193 In addition:
8194
8195 Redistribution and use in source and binary forms, with or without
8196 modification, are permitted provided that the following conditions
8197 are met:
8198
8199 1. Redistributions of source code must retain the above copyright
8200 notice, this list of conditions and the following disclaimer.
8201 2. Redistributions in binary form must reproduce the above copyright
8202 notice, this list of conditions and the following disclaimer in the
8203 documentation and/or other materials provided with the distribution.
8204 3. The name of the author may not be used to endorse or promote
8205 products derived from this software without specific prior written
8206 permission.
8207
8208 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8209 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8210 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8211 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8212 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8213 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8214 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8215 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8216 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8217 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8218 POSSIBILITY OF SUCH DAMAGE.
8219*/
8220
8221module_init(airo_init_module);
8222module_exit(airo_cleanup_module);
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