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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[net-next-2.6.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3b4c7d64 50#include <linux/kthread.h>
7dfb7103 51#include <linux/freezer.h>
1da177e4 52
2c706002 53#include <linux/ieee80211.h>
2bf9fa69 54#include <net/iw_handler.h>
2c706002 55
d3808760
AB		 56#include "airo.h"
57
1138c37b
MS		 58#define DRV_NAME "airo"
59
1da177e4 60#ifdef CONFIG_PCI
a3aa1884 61static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
1da177e4
LT		 62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70};
71MODULE_DEVICE_TABLE(pci, card_ids);
72
73static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74static void airo_pci_remove(struct pci_dev *);
05adc3b7 75static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 76static int airo_pci_resume(struct pci_dev *pdev);
77
78static struct pci_driver airo_driver = {
1138c37b 79 .name = DRV_NAME,
1da177e4
LT		 80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85};
86#endif /* CONFIG_PCI */
87
88/* Include Wireless Extension definition and check version - Jean II */
89#include <linux/wireless.h>
e292c737
PM		 90#define WIRELESS_SPY /* enable iwspy support */
91#include <net/iw_handler.h> /* New driver API */
1da177e4 92
e292c737 93#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT		 94#ifdef CISCO_EXT
95#include <linux/delay.h>
96#endif
97
1da177e4
LT		 98/* Hack to do some power saving */
99#define POWER_ON_DOWN
100
101/* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107#define IGNLABEL(comment) NULL
7a374d8e 108static const char *statsLabels[] = {
1da177e4
LT		 109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210#ifndef RUN_AT
211#define RUN_AT(x) (jiffies+(x))
212#endif
213
214
215/* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219static int rates[8];
220static int basic_rate;
221static char *ssids[3];
222
223static int io[4];
224static int irq[4];
225
226static
227int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233static int adhoc;
234
235static int probe = 1;
236
237static int proc_uid /* = 0 */;
238
239static int proc_gid /* = 0 */;
240
241static int airo_perm = 0555;
242
243static int proc_perm = 0644;
244
245MODULE_AUTHOR("Benjamin Reed");
246MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 247cards. Direct support for ISA/PCI/MPI cards and support \
248for PCMCIA when used with airo_cs.");
1da177e4
LT		 249MODULE_LICENSE("Dual BSD/GPL");
250MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251module_param_array(io, int, NULL, 0);
252module_param_array(irq, int, NULL, 0);
253module_param(basic_rate, int, 0);
254module_param_array(rates, int, NULL, 0);
255module_param_array(ssids, charp, NULL, 0);
256module_param(auto_wep, int, 0);
257MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258the authentication options until an association is made. The value of \
259auto_wep is number of the wep keys to check. A value of 2 will try using \
260the key at index 0 and index 1.");
261module_param(aux_bap, int, 0);
262MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263than seems to work better for older cards with some older buses. Before \
264switching it checks that the switch is needed.");
265module_param(maxencrypt, int, 0);
266MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268Older cards used to be limited to 2mbs (4).");
269module_param(adhoc, int, 0);
270MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271module_param(probe, int, 0);
272MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274module_param(proc_uid, int, 0);
275MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276module_param(proc_gid, int, 0);
277MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278module_param(airo_perm, int, 0);
279MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280module_param(proc_perm, int, 0);
281MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283/* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
e292c737 286static int do8bitIO /* = 0 */;
1da177e4
LT		 287
288/* Return codes */
289#define SUCCESS 0
290#define ERROR -1
291#define NO_PACKET -2
292
293/* Commands */
294#define NOP2 0x0000
295#define MAC_ENABLE 0x0001
296#define MAC_DISABLE 0x0002
297#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298#define CMD_SOFTRESET 0x0004
299#define HOSTSLEEP 0x0005
300#define CMD_MAGIC_PKT 0x0006
301#define CMD_SETWAKEMASK 0x0007
302#define CMD_READCFG 0x0008
303#define CMD_SETMODE 0x0009
304#define CMD_ALLOCATETX 0x000a
305#define CMD_TRANSMIT 0x000b
306#define CMD_DEALLOCATETX 0x000c
307#define NOP 0x0010
308#define CMD_WORKAROUND 0x0011
309#define CMD_ALLOCATEAUX 0x0020
310#define CMD_ACCESS 0x0021
311#define CMD_PCIBAP 0x0022
312#define CMD_PCIAUX 0x0023
313#define CMD_ALLOCBUF 0x0028
314#define CMD_GETTLV 0x0029
315#define CMD_PUTTLV 0x002a
316#define CMD_DELTLV 0x002b
317#define CMD_FINDNEXTTLV 0x002c
318#define CMD_PSPNODES 0x0030
319#define CMD_SETCW 0x0031
320#define CMD_SETPCF 0x0032
321#define CMD_SETPHYREG 0x003e
322#define CMD_TXTEST 0x003f
323#define MAC_ENABLETX 0x0101
324#define CMD_LISTBSS 0x0103
325#define CMD_SAVECFG 0x0108
326#define CMD_ENABLEAUX 0x0111
327#define CMD_WRITERID 0x0121
328#define CMD_USEPSPNODES 0x0130
329#define MAC_ENABLERX 0x0201
330
331/* Command errors */
332#define ERROR_QUALIF 0x00
333#define ERROR_ILLCMD 0x01
334#define ERROR_ILLFMT 0x02
335#define ERROR_INVFID 0x03
336#define ERROR_INVRID 0x04
337#define ERROR_LARGE 0x05
338#define ERROR_NDISABL 0x06
339#define ERROR_ALLOCBSY 0x07
340#define ERROR_NORD 0x0B
341#define ERROR_NOWR 0x0C
342#define ERROR_INVFIDTX 0x0D
343#define ERROR_TESTACT 0x0E
344#define ERROR_TAGNFND 0x12
345#define ERROR_DECODE 0x20
346#define ERROR_DESCUNAV 0x21
347#define ERROR_BADLEN 0x22
348#define ERROR_MODE 0x80
349#define ERROR_HOP 0x81
350#define ERROR_BINTER 0x82
351#define ERROR_RXMODE 0x83
352#define ERROR_MACADDR 0x84
353#define ERROR_RATES 0x85
354#define ERROR_ORDER 0x86
355#define ERROR_SCAN 0x87
356#define ERROR_AUTH 0x88
357#define ERROR_PSMODE 0x89
358#define ERROR_RTYPE 0x8A
359#define ERROR_DIVER 0x8B
360#define ERROR_SSID 0x8C
361#define ERROR_APLIST 0x8D
362#define ERROR_AUTOWAKE 0x8E
363#define ERROR_LEAP 0x8F
364
365/* Registers */
366#define COMMAND 0x00
367#define PARAM0 0x02
368#define PARAM1 0x04
369#define PARAM2 0x06
370#define STATUS 0x08
371#define RESP0 0x0a
372#define RESP1 0x0c
373#define RESP2 0x0e
374#define LINKSTAT 0x10
375#define SELECT0 0x18
376#define OFFSET0 0x1c
377#define RXFID 0x20
378#define TXALLOCFID 0x22
379#define TXCOMPLFID 0x24
380#define DATA0 0x36
381#define EVSTAT 0x30
382#define EVINTEN 0x32
383#define EVACK 0x34
384#define SWS0 0x28
385#define SWS1 0x2a
386#define SWS2 0x2c
387#define SWS3 0x2e
388#define AUXPAGE 0x3A
389#define AUXOFF 0x3C
390#define AUXDATA 0x3E
391
392#define FID_TX 1
393#define FID_RX 2
394/* Offset into aux memory for descriptors */
395#define AUX_OFFSET 0x800
396/* Size of allocated packets */
397#define PKTSIZE 1840
398#define RIDSIZE 2048
399/* Size of the transmit queue */
400#define MAXTXQ 64
401
402/* BAP selectors */
e292c737
PM		 403#define BAP0 0 /* Used for receiving packets */
404#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT		 405
406/* Flags */
407#define COMMAND_BUSY 0x8000
408
409#define BAP_BUSY 0x8000
410#define BAP_ERR 0x4000
411#define BAP_DONE 0x2000
412
413#define PROMISC 0xffff
414#define NOPROMISC 0x0000
415
416#define EV_CMD 0x10
417#define EV_CLEARCOMMANDBUSY 0x4000
418#define EV_RX 0x01
419#define EV_TX 0x02
420#define EV_TXEXC 0x04
421#define EV_ALLOC 0x08
422#define EV_LINK 0x80
423#define EV_AWAKE 0x100
424#define EV_TXCPY 0x400
425#define EV_UNKNOWN 0x800
426#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427#define EV_AWAKEN 0x2000
428#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430#ifdef CHECK_UNKNOWN_INTS
431#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432#else
433#define IGNORE_INTS (~STATUS_INTS)
434#endif
435
436/* RID TYPES */
437#define RID_RW 0x20
438
439/* The RIDs */
440#define RID_CAPABILITIES 0xFF00
441#define RID_APINFO 0xFF01
442#define RID_RADIOINFO 0xFF02
443#define RID_UNKNOWN3 0xFF03
444#define RID_RSSI 0xFF04
445#define RID_CONFIG 0xFF10
446#define RID_SSID 0xFF11
447#define RID_APLIST 0xFF12
448#define RID_DRVNAME 0xFF13
449#define RID_ETHERENCAP 0xFF14
450#define RID_WEP_TEMP 0xFF15
451#define RID_WEP_PERM 0xFF16
452#define RID_MODULATION 0xFF17
453#define RID_OPTIONS 0xFF18
454#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455#define RID_FACTORYCONFIG 0xFF21
456#define RID_UNKNOWN22 0xFF22
457#define RID_LEAPUSERNAME 0xFF23
458#define RID_LEAPPASSWORD 0xFF24
459#define RID_STATUS 0xFF50
460#define RID_BEACON_HST 0xFF51
461#define RID_BUSY_HST 0xFF52
462#define RID_RETRIES_HST 0xFF53
463#define RID_UNKNOWN54 0xFF54
464#define RID_UNKNOWN55 0xFF55
465#define RID_UNKNOWN56 0xFF56
466#define RID_MIC 0xFF57
467#define RID_STATS16 0xFF60
468#define RID_STATS16DELTA 0xFF61
469#define RID_STATS16DELTACLEAR 0xFF62
470#define RID_STATS 0xFF68
471#define RID_STATSDELTA 0xFF69
472#define RID_STATSDELTACLEAR 0xFF6A
473#define RID_ECHOTEST_RID 0xFF70
474#define RID_ECHOTEST_RESULTS 0xFF71
475#define RID_BSSLISTFIRST 0xFF72
476#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 477#define RID_WPA_BSSLISTFIRST 0xFF74
478#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 479
480typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485} Cmd;
486
487typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492} Resp;
493
494/*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
499
1da177e4
LT		 500/* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
99590ffe
DW		 502typedef struct WepKeyRid WepKeyRid;
503struct WepKeyRid {
4293ea33
AV		 504 __le16 len;
505 __le16 kindex;
1da177e4 506 u8 mac[ETH_ALEN];
4293ea33 507 __le16 klen;
1da177e4 508 u8 key[16];
ba2d3587 509} __packed;
1da177e4
LT		 510
511/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW		 512typedef struct Ssid Ssid;
513struct Ssid {
0dd2212f 514 __le16 len;
1da177e4 515 u8 ssid[32];
ba2d3587 516} __packed;
1da177e4 517
99590ffe
DW		 518typedef struct SsidRid SsidRid;
519struct SsidRid {
0dd2212f 520 __le16 len;
1da177e4 521 Ssid ssids[3];
ba2d3587 522} __packed;
1da177e4 523
99590ffe
DW		 524typedef struct ModulationRid ModulationRid;
525struct ModulationRid {
3eb9b41f
AV		 526 __le16 len;
527 __le16 modulation;
528#define MOD_DEFAULT cpu_to_le16(0)
529#define MOD_CCK cpu_to_le16(1)
530#define MOD_MOK cpu_to_le16(2)
ba2d3587 531} __packed;
1da177e4 532
99590ffe
DW		 533typedef struct ConfigRid ConfigRid;
534struct ConfigRid {
3eb9b41f
AV		 535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537#define MODE_STA_IBSS cpu_to_le16(0)
538#define MODE_STA_ESS cpu_to_le16(1)
539#define MODE_AP cpu_to_le16(2)
540#define MODE_AP_RPTR cpu_to_le16(3)
541#define MODE_CFG_MASK cpu_to_le16(0xff)
542#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558#define RXMODE_MASK cpu_to_le16(255)
559#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
1da177e4
LT		 564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
3eb9b41f
AV		 566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
1da177e4 576 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 577 __le16 scanMode;
578#define SCANMODE_ACTIVE cpu_to_le16(0)
579#define SCANMODE_PASSIVE cpu_to_le16(1)
580#define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588#define AUTH_OPEN cpu_to_le16(0x1)
589#define AUTH_ENCRYPT cpu_to_le16(0x101)
590#define AUTH_SHAREDKEY cpu_to_le16(0x102)
591#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
1da177e4 601 /*---------- Power save operation ----------*/
3eb9b41f
AV		 602 __le16 powerSaveMode;
603#define POWERSAVE_CAM cpu_to_le16(0)
604#define POWERSAVE_PSP cpu_to_le16(1)
605#define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
1da177e4 612 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
1da177e4 621 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 622 __le16 radioType;
623#define RADIOTYPE_DEFAULT cpu_to_le16(0)
624#define RADIOTYPE_802_11 cpu_to_le16(1)
625#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 626 u8 rxDiversity;
627 u8 txDiversity;
3eb9b41f 628 __le16 txPower;
1da177e4 629#define TXPOWER_DEFAULT 0
3eb9b41f 630 __le16 rssiThreshold;
1da177e4 631#define RSSI_DEFAULT 0
3eb9b41f
AV		 632 __le16 modulation;
633#define PREAMBLE_AUTO cpu_to_le16(0)
634#define PREAMBLE_LONG cpu_to_le16(1)
635#define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
1da177e4
LT		 639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
3eb9b41f
AV		 641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
1da177e4
LT		 645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647#define MAGIC_ACTION_STSCHG 1
648#define MAGIC_ACTION_RESUME 2
649#define MAGIC_IGNORE_MCAST (1<<8)
650#define MAGIC_IGNORE_BCAST (1<<9)
651#define MAGIC_SWITCH_TO_PSP (0<<10)
652#define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
3eb9b41f 654 __le16 autoWake;
ba2d3587 655} __packed;
1da177e4 656
99590ffe
DW		 657typedef struct StatusRid StatusRid;
658struct StatusRid {
329e2c00 659 __le16 len;
1da177e4 660 u8 mac[ETH_ALEN];
329e2c00
AV		 661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
1da177e4
LT		 665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
1da177e4
LT		 683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 690 __le16 load;
1da177e4 691 u8 carrier[4];
329e2c00 692 __le16 assocStatus;
1da177e4
LT		 693#define STAT_NOPACKETS 0
694#define STAT_NOCARRIERSET 10
695#define STAT_GOTCARRIERSET 11
696#define STAT_WRONGSSID 20
697#define STAT_BADCHANNEL 25
698#define STAT_BADBITRATES 30
699#define STAT_BADPRIVACY 35
700#define STAT_APFOUND 40
701#define STAT_APREJECTED 50
702#define STAT_AUTHENTICATING 60
703#define STAT_DEAUTHENTICATED 61
704#define STAT_AUTHTIMEOUT 62
705#define STAT_ASSOCIATING 70
706#define STAT_DEASSOCIATED 71
707#define STAT_ASSOCTIMEOUT 72
708#define STAT_NOTAIROAP 73
709#define STAT_ASSOCIATED 80
710#define STAT_LEAPING 90
711#define STAT_LEAPFAILED 91
712#define STAT_LEAPTIMEDOUT 92
713#define STAT_LEAPCOMPLETE 93
ba2d3587 714} __packed;
1da177e4 715
99590ffe
DW		 716typedef struct StatsRid StatsRid;
717struct StatsRid {
a23ace5f
AV		 718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
ba2d3587 721} __packed;
1da177e4 722
99590ffe
DW		 723typedef struct APListRid APListRid;
724struct APListRid {
a749716e 725 __le16 len;
1da177e4 726 u8 ap[4][ETH_ALEN];
ba2d3587 727} __packed;
1da177e4 728
99590ffe
DW		 729typedef struct CapabilityRid CapabilityRid;
730struct CapabilityRid {
56d81bd3 731 __le16 len;
1da177e4
LT		 732 char oui[3];
733 char zero;
56d81bd3 734 __le16 prodNum;
1da177e4
LT		 735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 740 __le16 radioType;
741 __le16 country;
1da177e4
LT		 742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
56d81bd3
AV		 746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
ba2d3587 757} __packed;
3c304956
DW		 758
759/* Only present on firmware >= 5.30.17 */
99590ffe
DW		 760typedef struct BSSListRidExtra BSSListRidExtra;
761struct BSSListRidExtra {
17e70491 762 __le16 unknown[4];
3c304956
DW		 763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
ba2d3587 765} __packed;
3c304956 766
99590ffe
DW		 767typedef struct BSSListRid BSSListRid;
768struct BSSListRid {
17e70491
AV		 769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 771#define RADIO_FH 1 /* Frequency hopping radio type */
772#define RADIO_DS 2 /* Direct sequence radio type */
773#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 774 __le16 radioType;
1da177e4
LT		 775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
17e70491
AV		 779 __le16 dBm;
780#define CAP_ESS cpu_to_le16(1<<0)
781#define CAP_IBSS cpu_to_le16(1<<1)
782#define CAP_PRIVACY cpu_to_le16(1<<4)
783#define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
1da177e4
LT		 786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
17e70491 788 __le16 dwell;
1da177e4
LT		 789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
17e70491
AV		 794 __le16 dsChannel;
795 __le16 atimWindow;
3c304956
DW		 796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
ba2d3587 799} __packed;
1da177e4 800
9e75af30
DW		 801typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804} BSSListElement;
805
99590ffe
DW		 806typedef struct tdsRssiEntry tdsRssiEntry;
807struct tdsRssiEntry {
1da177e4
LT		 808 u8 rssipct;
809 u8 rssidBm;
ba2d3587 810} __packed;
1da177e4 811
99590ffe
DW		 812typedef struct tdsRssiRid tdsRssiRid;
813struct tdsRssiRid {
1da177e4
LT		 814 u16 len;
815 tdsRssiEntry x[256];
ba2d3587 816} __packed;
1da177e4 817
99590ffe
DW		 818typedef struct MICRid MICRid;
819struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
1da177e4 823 u8 multicast[16];
99590ffe 824 __le16 unicastValid;
1da177e4 825 u8 unicast[16];
ba2d3587 826} __packed;
1da177e4 827
99590ffe
DW		 828typedef struct MICBuffer MICBuffer;
829struct MICBuffer {
593c2b9c 830 __be16 typelen;
1da177e4
LT		 831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
593c2b9c
AV		 842 __be32 mic;
843 __be32 seq;
ba2d3587 844} __packed;
1da177e4
LT		 845
846typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849} etherHead;
850
1da177e4
LT		 851#define TXCTL_TXOK (1<<1) /* report if tx is ok */
852#define TXCTL_TXEX (1<<2) /* report if tx fails */
853#define TXCTL_802_3 (0<<3) /* 802.3 packet */
854#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856#define TXCTL_LLC (1<<4) /* payload is llc */
857#define TXCTL_RELEASE (0<<5) /* release after completion */
858#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860#define BUSY_FID 0x10000
861
862#ifdef CISCO_EXT
863#define AIROMAGIC 0xa55a
864/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865#ifdef SIOCIWFIRSTPRIV
866#ifdef SIOCDEVPRIVATE
867#define AIROOLDIOCTL SIOCDEVPRIVATE
868#define AIROOLDIDIFC AIROOLDIOCTL + 1
869#endif /* SIOCDEVPRIVATE */
870#else /* SIOCIWFIRSTPRIV */
871#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872#endif /* SIOCIWFIRSTPRIV */
873/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877#define AIROIOCTL SIOCIWFIRSTPRIV
878#define AIROIDIFC AIROIOCTL + 1
879
880/* Ioctl constants to be used in airo_ioctl.command */
881
882#define AIROGCAP 0 // Capability rid
883#define AIROGCFG 1 // USED A LOT
884#define AIROGSLIST 2 // System ID list
885#define AIROGVLIST 3 // List of specified AP's
886#define AIROGDRVNAM 4 // NOTUSED
887#define AIROGEHTENC 5 // NOTUSED
888#define AIROGWEPKTMP 6
889#define AIROGWEPKNV 7
890#define AIROGSTAT 8
891#define AIROGSTATSC32 9
892#define AIROGSTATSD32 10
893#define AIROGMICRID 11
894#define AIROGMICSTATS 12
895#define AIROGFLAGS 13
896#define AIROGID 14
897#define AIRORRID 15
898#define AIRORSWVERSION 17
899
900/* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902#define AIROPCAP AIROGSTATSD32 + 40
903#define AIROPVLIST AIROPCAP + 1
904#define AIROPSLIST AIROPVLIST + 1
905#define AIROPCFG AIROPSLIST + 1
906#define AIROPSIDS AIROPCFG + 1
907#define AIROPAPLIST AIROPSIDS + 1
908#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910#define AIROPSTCLR AIROPMACOFF + 1
911#define AIROPWEPKEY AIROPSTCLR + 1
912#define AIROPWEPKEYNV AIROPWEPKEY + 1
913#define AIROPLEAPPWD AIROPWEPKEYNV + 1
914#define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916/* Flash codes */
917
918#define AIROFLSHRST AIROPWEPKEYNV + 40
919#define AIROFLSHGCHR AIROFLSHRST + 1
920#define AIROFLSHSTFL AIROFLSHGCHR + 1
921#define AIROFLSHPCHR AIROFLSHSTFL + 1
922#define AIROFLPUTBUF AIROFLSHPCHR + 1
923#define AIRORESTART AIROFLPUTBUF + 1
924
925#define FLASHSIZE 32768
926#define AUXMEMSIZE (256 * 1024)
927
928typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933} aironet_ioctl;
934
7a374d8e 935static const char swversion[] = "2.1";
1da177e4
LT		 936#endif /* CISCO_EXT */
937
938#define NUM_MODULES 2
939#define MIC_MSGLEN_MAX 2400
940#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 941#define AIRO_DEF_MTU 2312
1da177e4
LT		 942
943typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952} mic_statistics;
953
954typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
593c2b9c 960 __be32 d32;
1da177e4
LT		 961 } part; // saves partial message word across update() calls
962} emmh32_context;
963
964typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971} miccntx;
972
973typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976} mic_module;
977
978typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983} Rid;
984
985typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991} TxFid;
992
f55d4517
DW		 993struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
ba2d3587 999} __packed;
f55d4517 1000
1da177e4
LT		 1001typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007} RxFid;
1008
1009/*
1010 * Host receive descriptor
1011 */
1012typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019} HostRxDesc;
1020
1021/*
1022 * Host transmit descriptor
1023 */
1024typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031} HostTxDesc;
1032
1033/*
1034 * Host RID descriptor
1035 */
1036typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042} HostRidDesc;
1043
1044typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049#define HOST_SET (1 << 0)
1050#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056#define HOST_RTS (1 << 9) /* Force RTS use */
1057#define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062} TxCtlHdr;
1063
1064typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072} WifiHdr;
1073
1074
1075typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082} WifiCtlHdr;
1083
ff1d2767 1084static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088};
1089
1da177e4
LT		 1090// A few details needed for WEP (Wireless Equivalent Privacy)
1091#define MAX_KEY_SIZE 13 // 128 (?) bits
1092#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096} wep_key_t;
1097
1da177e4
LT		 1098/* List of Wireless Handlers (new API) */
1099static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1100
1101static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103struct airo_info;
1104
1105static int get_dec_u16( char *buffer, int *start, int limit );
1106static void OUT4500( struct airo_info *, u16 register, u16 value );
1107static unsigned short IN4500( struct airo_info *, u16 register );
1108static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1109static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1110static void disable_MAC(struct airo_info *ai, int lock);
1111static void enable_interrupts(struct airo_info*);
1112static void disable_interrupts(struct airo_info*);
1113static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1115static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1116 int whichbap);
b8c06bc1 1117static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1118 int whichbap);
b8c06bc1 1119static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1120 int whichbap);
1121static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131static int mpi_send_packet (struct net_device *dev);
1132static void mpi_unmap_card(struct pci_dev *pci);
1133static void mpi_receive_802_3(struct airo_info *ai);
1134static void mpi_receive_802_11(struct airo_info *ai);
1135static int waitbusy (struct airo_info *ai);
1136
7d12e780 1137static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1138static int airo_thread(void *data);
1139static void timer_func( struct net_device *dev );
1140static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1141static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1142static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1143#ifdef CISCO_EXT
1144static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1146static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1147#endif /* CISCO_EXT */
1da177e4
LT		 1148static void micinit(struct airo_info *ai);
1149static int micsetup(struct airo_info *ai);
1150static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
41480af2
DW		 1153static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
9e75af30
DW		 1156static void airo_networks_free(struct airo_info *ai);
1157
1da177e4 1158struct airo_info {
1da177e4 1159 struct net_device *dev;
af5b5c9a 1160 struct list_head dev_list;
1da177e4
LT		 1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163#define MAX_FIDS 6
1164#define MPI_MAX_FIDS 1
9e05a2df 1165 u32 fids[MAX_FIDS];
1da177e4
LT		 1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1da177e4
LT		 1171#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173#define FLAG_RADIO_MASK 0x03
1174#define FLAG_ENABLED 2
1175#define FLAG_ADHOC 3 /* Needed by MIC */
1176#define FLAG_MIC_CAPABLE 4
1177#define FLAG_UPDATE_MULTI 5
1178#define FLAG_UPDATE_UNI 6
1179#define FLAG_802_11 7
3c304956 1180#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1181#define FLAG_PENDING_XMIT 9
1182#define FLAG_PENDING_XMIT11 10
1183#define FLAG_MPI 11
1184#define FLAG_REGISTERED 12
1185#define FLAG_COMMIT 13
1186#define FLAG_RESET 14
1187#define FLAG_FLASHING 15
3c304956
DW		 1188#define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190#define JOB_DIE 0
1191#define JOB_XMIT 1
1192#define JOB_XMIT11 2
1193#define JOB_STATS 3
1194#define JOB_PROMISC 4
1195#define JOB_MIC 5
1196#define JOB_EVENT 6
1197#define JOB_AUTOWEP 7
1198#define JOB_WSTATS 8
1199#define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
b8c06bc1 1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
3b4c7d64
SB		 1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1da177e4 1207 struct semaphore sem;
1da177e4 1208 wait_queue_head_t thr_wait;
1da177e4
LT		 1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1da177e4 1215 struct iw_statistics wstats; // wireless stats
9e75af30 1216 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1da177e4 1219 /* MIC stuff */
f12cc209 1220 struct crypto_cipher *tfm;
1da177e4
LT		 1221 mic_module mod[2];
1222 mic_statistics micstats;
1da177e4
LT		 1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1cc68ae0 1233 pm_message_t power;
1da177e4
LT		 1234 SsidRid *SSID;
1235 APListRid *APList;
1236#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
9e75af30 1238
138c0c68
DW		 1239 int wep_capable;
1240 int max_wep_idx;
1241
3c304956
DW		 1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
9e75af30
DW		 1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1da177e4
LT		 1250};
1251
b8c06bc1
AV		 1252static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254{
1da177e4
LT		 1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256}
1257
1258static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
ff1d2767
JM		 1263static int cmdreset(struct airo_info *ai);
1264static int setflashmode (struct airo_info *ai);
1265static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266static int flashputbuf(struct airo_info *ai);
1267static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
934d8bf1 1269#define airo_print(type, name, fmt, args...) \
1138c37b 1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1271
1272#define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275#define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278#define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281#define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
faf3994a 1284#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1285
1da177e4
LT		 1286/***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1293static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
ff1d2767
JM		 1295static void emmh32_init(emmh32_context *context);
1296static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1299
018697d1
DW		 1300static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302{
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321}
1322
1da177e4
LT		 1323/* micinit - Initialize mic seed */
1324
1325static void micinit(struct airo_info *ai)
1326{
1327 MICRid mic_rid;
1328
3c304956 1329 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
018697d1
DW		 1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1da177e4
LT		 1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
018697d1
DW		 1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1da177e4
LT		 1353 }
1354}
1355
1356/* micsetup - Get ready for business */
1357
1358static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
f12cc209 1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1363
f12cc209 1364 if (IS_ERR(ai->tfm)) {
934d8bf1 1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1366 ai->tfm = NULL;
1da177e4
LT		 1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375}
1376
7a374d8e 1377static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1378
1379/*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396{
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428}
1429
1430typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436} mic_error;
1437
1438/*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452{
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539}
1540
1541/*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556{
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601}
1602
1603static void MoveWindow(miccntx *context, u32 micSeq)
1604{
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619}
1620
1621/*==============================================*/
1622/*========== EMMH ROUTINES ====================*/
1623/*==============================================*/
1624
1625/* mic accumulate */
1626#define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629static unsigned char aes_counter[16];
1630
1631/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1632static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1da177e4
LT		 1634{
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1da177e4
LT		 1641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
e7c04fd3 1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
e7c04fd3 1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1655 j += 4;
1656 }
1657 }
1658}
1659
1660/* prepare for calculation of a new mic */
ff1d2767 1661static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1662{
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666}
1667
1668/* add some bytes to the mic calculation */
ff1d2767 1669static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1670{
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
593c2b9c 1687 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
593c2b9c 1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705}
1706
1707/* mask used to zero empty bytes for final partial word */
1708static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710/* calculate the mic */
ff1d2767 1711static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1712{
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
593c2b9c 1725 val = ntohl(context->part.d32);
1da177e4
LT		 1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742}
1da177e4
LT		 1743
1744static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1745 BSSListRid *list)
1746{
3c304956
DW		 1747 Cmd cmd;
1748 Resp rsp;
1da177e4
LT		 1749
1750 if (first == 1) {
3c304956
DW		 1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
3b4c7d64 1756 ai->list_bss_task = current;
3c304956
DW		 1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
3b4c7d64
SB		 1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
3c304956 1762 }
17e70491 1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1764 list, ai->bssListRidLen, 1);
1da177e4
LT		 1765}
1766
4293ea33
AV		 1767static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768{
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1770 wkr, sizeof(*wkr), lock);
1da177e4 1771}
1da177e4 1772
4293ea33
AV		 1773static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774{
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1779 if (perm) {
4293ea33
AV		 1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
934d8bf1 1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1783 }
1784 return rc;
1785}
1786
0dd2212f
AV		 1787static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788{
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1790}
1da177e4 1791
0dd2212f
AV		 1792static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793{
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1795}
0dd2212f 1796
3eb9b41f
AV		 1797static int readConfigRid(struct airo_info *ai, int lock)
1798{
1da177e4 1799 int rc;
1da177e4
LT		 1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1da177e4
LT		 1809 ai->config = cfg;
1810 return SUCCESS;
1811}
3eb9b41f
AV		 1812
1813static inline void checkThrottle(struct airo_info *ai)
1814{
1da177e4
LT		 1815 int i;
1816/* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824}
3eb9b41f
AV		 1825
1826static int writeConfigRid(struct airo_info *ai, int lock)
1827{
1da177e4
LT		 1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
3eb9b41f 1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1da177e4
LT		 1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844}
1da177e4 1845
329e2c00
AV		 1846static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847{
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1849}
a749716e
AV		 1850
1851static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852{
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1854}
a749716e
AV		 1855
1856static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857{
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1859}
1da177e4 1860
56d81bd3
AV		 1861static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862{
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1864}
1da177e4 1865
a23ace5f
AV		 1866static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867{
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1869}
1870
1c2b7db8
MS		 1871static void try_auto_wep(struct airo_info *ai)
1872{
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877}
1878
1da177e4 1879static int airo_open(struct net_device *dev) {
faf3994a 1880 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1881 int rc = 0;
1da177e4 1882
1c2b7db8 1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1da177e4
LT		 1893 }
1894
1c2b7db8
MS		 1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
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
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
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 /*
2011 * Firmware automaticly puts 802 header on so
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.
2536 * 2) Map PCI memory for issueing commands.
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);
1da177e4
LT		 2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
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,
2758 .ndo_set_multicast_list = airo_set_multicast_list,
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,
2770 .ndo_set_multicast_list = airo_set_multicast_list,
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;
2827
2828 SET_NETDEV_DEV(dev, dmdev);
2829
1d97f384
MC		 2830 reset_card (dev, 1);
2831 msleep(400);
1da177e4 2832
1da177e4 2833 if (!is_pcmcia) {
1138c37b 2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2835 rc = -EBUSY;
934d8bf1 2836 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2837 goto err_out_nets;
1da177e4
LT		 2838 }
2839 }
2840
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
1da177e4
LT		 2844 goto err_out_res;
2845 }
2846 }
2847
2848 if (probe) {
f65b56d6 2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
934d8bf1 2850 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2851 rc = -EIO;
2852 goto err_out_map;
2853 }
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2857 }
2858
f65b56d6
DW		 2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2861 if (rc) {
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2863 goto err_out_map;
2864 }
2865 ai->wifidev = init_wifidev(ai, dev);
2866 if (!ai->wifidev)
2867 goto err_out_reg;
2868
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2871 rc = -EIO;
2872 goto err_out_wifi;
2873 }
138c0c68
DW		 2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
f65b56d6 2877
f3a981ff 2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
f65b56d6
DW		 2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2882
3c304956 2883 /* Test for WPA support */
f65b56d6
DW		 2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2889
3c304956
DW		 2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2894 } else {
f65b56d6
DW		 2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2897
3c304956
DW		 2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2901 }
2902
1da177e4 2903 set_bit(FLAG_REGISTERED,&ai->flags);
e174961c 2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2905
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2910
faf3994a 2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
431aca5a
FM		 2912 goto err_out_wifi;
2913
1da177e4
LT		 2914 return dev;
2915
431aca5a
FM		 2916err_out_wifi:
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2919err_out_reg:
2920 unregister_netdev(dev);
1da177e4
LT		 2921err_out_map:
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2927 }
2928err_out_res:
2929 if (!is_pcmcia)
2930 release_region( dev->base_addr, 64 );
4d881901
MS		 2931err_out_nets:
2932 airo_networks_free(ai);
1da177e4 2933err_out_free:
ff4bf917 2934 del_airo_dev(ai);
1da177e4
LT		 2935 free_netdev(dev);
2936 return NULL;
2937}
2938
2939struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2941{
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943}
2944
2945EXPORT_SYMBOL(init_airo_card);
2946
2947static int waitbusy (struct airo_info *ai) {
2948 int delay = 0;
b212f337 2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT		 2950 udelay (10);
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 }
2954 return delay < 10000;
2955}
2956
2957int reset_airo_card( struct net_device *dev )
2958{
2959 int i;
faf3994a 2960 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2961
2962 if (reset_card (dev, 1))
2963 return -1;
2964
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2966 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2967 return -1;
2968 }
e174961c 2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2974
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2977 return 0;
2978}
2979
2980EXPORT_SYMBOL(reset_airo_card);
2981
2982static void airo_send_event(struct net_device *dev) {
faf3994a 2983 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2986
3c304956 2987 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2989 up(&ai->sem);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2994
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2997}
2998
9e75af30
DW		 2999static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3c304956 3001 BSSListRid bss;
9e75af30
DW		 3002 int rc;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3005
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3011 }
3012
3013 /* Try to read the first entry of the scan result */
3c304956 3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW		 3016 /* No scan results */
3017 goto out;
3018 }
3019
3020 /* Read and parse all entries */
3021 tmp_net = NULL;
17e70491 3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW		 3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3028 }
3029
3030 if (tmp_net != NULL) {
3c304956 3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3032 list_add_tail(&tmp_net->list, &ai->network_list);
3033 tmp_net = NULL;
3034 }
3035
3036 /* Read next entry */
3c304956
DW		 3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3039 }
3040
3041out:
3042 ai->scan_timeout = 0;
3c304956 3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3044 up(&ai->sem);
3045
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3056}
3057
1da177e4
LT		 3058static int airo_thread(void *data) {
3059 struct net_device *dev = data;
faf3994a 3060 struct airo_info *ai = dev->ml_priv;
1da177e4 3061 int locked;
83144186
RW		 3062
3063 set_freezable();
1da177e4 3064 while(1) {
1da177e4 3065 /* make swsusp happy with our thread */
3e1d1d28 3066 try_to_freeze();
1da177e4 3067
3c304956 3068 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3069 break;
3070
3c304956 3071 if (ai->jobs) {
1da177e4
LT		 3072 locked = down_interruptible(&ai->sem);
3073 } else {
3074 wait_queue_t wait;
3075
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3078 for (;;) {
3079 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3080 if (ai->jobs)
1da177e4 3081 break;
9e75af30
DW		 3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3086 break;
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3c304956 3089 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3090 break;
3091 }
5bb85f18
DK		 3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
9e75af30
DW		 3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3097 ai->scan_timeout);
3098 } else {
3099 wake_at = min(ai->expires,
3100 ai->scan_timeout);
3101 }
3102 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3103 continue;
3104 }
5bb85f18
DK		 3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
1da177e4
LT		 3107 schedule();
3108 continue;
3109 }
3110 break;
3111 }
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3114 locked = 1;
3115 }
3116
3117 if (locked)
3118 continue;
3119
3c304956 3120 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3121 up(&ai->sem);
3122 break;
3123 }
3124
ca078bae 3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3126 up(&ai->sem);
3127 continue;
3128 }
3129
3c304956 3130 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3131 airo_end_xmit(dev);
3c304956 3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3133 airo_end_xmit11(dev);
3c304956 3134 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3135 airo_read_stats(dev);
3c304956 3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3137 airo_read_wireless_stats(ai);
3c304956 3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3139 airo_set_promisc(ai);
3c304956 3140 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3141 micinit(ai);
3c304956 3142 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3143 airo_send_event(dev);
3c304956 3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3145 timer_func(dev);
3c304956 3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3149 up(&ai->sem);
1da177e4 3150 }
3b4c7d64
SB		 3151
3152 return 0;
1da177e4
LT		 3153}
3154
0300b332
AV		 3155static int header_len(__le16 ctl)
3156{
3157 u16 fc = le16_to_cpu(ctl);
3158 switch (fc & 0xc) {
3159 case 4:
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3163 case 8:
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3166 }
3167 return 24;
3168}
3169
f55d4517 3170static void airo_handle_cisco_mic(struct airo_info *ai)
28fc1f5a 3171{
f55d4517
DW		 3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3175 }
3176}
3177
3178/* Airo Status codes */
3179#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188#define STAT_ASSOC 0x0400 /* Associated */
3189#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3190
3191static void airo_print_status(const char *devname, u16 status)
3192{
3193 u8 reason = status & 0xFF;
3194
3bc819e8 3195 switch (status & 0xFF00) {
f55d4517 3196 case STAT_NOBEACON:
3bc819e8
MC		 3197 switch (status) {
3198 case STAT_NOBEACON:
3199 airo_print_dbg(devname, "link lost (missed beacons)");
3200 break;
3201 case STAT_MAXRETRIES:
3202 case STAT_MAXARL:
3203 airo_print_dbg(devname, "link lost (max retries)");
3204 break;
3205 case STAT_FORCELOSS:
3206 airo_print_dbg(devname, "link lost (local choice)");
3207 break;
3208 case STAT_TSFSYNC:
3209 airo_print_dbg(devname, "link lost (TSF sync lost)");
3210 break;
3211 default:
3212 airo_print_dbg(devname, "unknow status %x\n", status);
3213 break;
3214 }
f55d4517
DW		 3215 break;
3216 case STAT_DEAUTH:
3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3218 break;
3219 case STAT_DISASSOC:
3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3221 break;
3222 case STAT_ASSOC_FAIL:
3223 airo_print_dbg(devname, "association failed (reason: %d)",
3224 reason);
3225 break;
3226 case STAT_AUTH_FAIL:
3227 airo_print_dbg(devname, "authentication failed (reason: %d)",
3228 reason);
3229 break;
3bc819e8
MC		 3230 case STAT_ASSOC:
3231 case STAT_REASSOC:
3232 break;
f55d4517 3233 default:
3bc819e8 3234 airo_print_dbg(devname, "unknow status %x\n", status);
f55d4517
DW		 3235 break;
3236 }
3237}
3238
3239static void airo_handle_link(struct airo_info *ai)
3240{
3241 union iwreq_data wrqu;
3242 int scan_forceloss = 0;
1da177e4 3243 u16 status;
f55d4517
DW		 3244
3245 /* Get new status and acknowledge the link change */
3246 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3247 OUT4500(ai, EVACK, EV_LINK);
3248
3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3250 scan_forceloss = 1;
3251
3252 airo_print_status(ai->dev->name, status);
3253
3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3255 if (auto_wep)
3256 ai->expires = 0;
3257 if (ai->list_bss_task)
3258 wake_up_process(ai->list_bss_task);
3259 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3261
3262 if (down_trylock(&ai->sem) != 0) {
3263 set_bit(JOB_EVENT, &ai->jobs);
3264 wake_up_interruptible(&ai->thr_wait);
3265 } else
3266 airo_send_event(ai->dev);
3267 } else if (!scan_forceloss) {
3268 if (auto_wep && !ai->expires) {
3269 ai->expires = RUN_AT(3*HZ);
3270 wake_up_interruptible(&ai->thr_wait);
3271 }
3272
3273 /* Send event to user space */
3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3277 }
3278}
3279
3280static void airo_handle_rx(struct airo_info *ai)
3281{
3282 struct sk_buff *skb = NULL;
3283 __le16 fc, v, *buffer, tmpbuf[4];
3284 u16 len, hdrlen = 0, gap, fid;
3285 struct rx_hdr hdr;
3286 int success = 0;
3287
3288 if (test_bit(FLAG_MPI, &ai->flags)) {
3289 if (test_bit(FLAG_802_11, &ai->flags))
3290 mpi_receive_802_11(ai);
3291 else
3292 mpi_receive_802_3(ai);
3293 OUT4500(ai, EVACK, EV_RX);
3294 return;
3295 }
3296
3297 fid = IN4500(ai, RXFID);
3298
3299 /* Get the packet length */
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3301 bap_setup (ai, fid, 4, BAP0);
3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3303 /* Bad CRC. Ignore packet */
3304 if (le16_to_cpu(hdr.status) & 2)
3305 hdr.len = 0;
3306 if (ai->wifidev == NULL)
3307 hdr.len = 0;
3308 } else {
3309 bap_setup(ai, fid, 0x36, BAP0);
3310 bap_read(ai, &hdr.len, 2, BAP0);
3311 }
3312 len = le16_to_cpu(hdr.len);
3313
3314 if (len > AIRO_DEF_MTU) {
3315 airo_print_err(ai->dev->name, "Bad size %d", len);
3316 goto done;
3317 }
3318 if (len == 0)
3319 goto done;
3320
3321 if (test_bit(FLAG_802_11, &ai->flags)) {
3322 bap_read(ai, &fc, sizeof (fc), BAP0);
3323 hdrlen = header_len(fc);
3324 } else
3325 hdrlen = ETH_ALEN * 2;
3326
3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3328 if (!skb) {
3329 ai->dev->stats.rx_dropped++;
3330 goto done;
3331 }
3332
3333 skb_reserve(skb, 2); /* This way the IP header is aligned */
3334 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3335 if (test_bit(FLAG_802_11, &ai->flags)) {
3336 buffer[0] = fc;
3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3338 if (hdrlen == 24)
3339 bap_read(ai, tmpbuf, 6, BAP0);
3340
3341 bap_read(ai, &v, sizeof(v), BAP0);
3342 gap = le16_to_cpu(v);
3343 if (gap) {
3344 if (gap <= 8) {
3345 bap_read(ai, tmpbuf, gap, BAP0);
3346 } else {
3347 airo_print_err(ai->dev->name, "gaplen too "
3348 "big. Problems will follow...");
3349 }
3350 }
3351 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3352 } else {
3353 MICBuffer micbuf;
3354
3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3356 if (ai->micstats.enabled) {
3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3358 if (ntohs(micbuf.typelen) > 0x05DC)
3359 bap_setup(ai, fid, 0x44, BAP0);
3360 else {
3361 if (len <= sizeof (micbuf)) {
3362 dev_kfree_skb_irq(skb);
3363 goto done;
3364 }
3365
3366 len -= sizeof(micbuf);
3367 skb_trim(skb, len + hdrlen);
3368 }
3369 }
3370
3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3373 dev_kfree_skb_irq (skb);
3374 else
3375 success = 1;
3376 }
3377
3378#ifdef WIRELESS_SPY
3379 if (success && (ai->spy_data.spy_number > 0)) {
3380 char *sa;
3381 struct iw_quality wstats;
3382
3383 /* Prepare spy data : addr + qual */
3384 if (!test_bit(FLAG_802_11, &ai->flags)) {
3385 sa = (char *) buffer + 6;
3386 bap_setup(ai, fid, 8, BAP0);
3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3388 } else
3389 sa = (char *) buffer + 10;
3390 wstats.qual = hdr.rssi[0];
3391 if (ai->rssi)
3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3393 else
3394 wstats.level = (hdr.rssi[1] + 321) / 2;
3395 wstats.noise = ai->wstats.qual.noise;
3396 wstats.updated = IW_QUAL_LEVEL_UPDATED
3397 | IW_QUAL_QUAL_UPDATED
3398 | IW_QUAL_DBM;
3399 /* Update spy records */
3400 wireless_spy_update(ai->dev, sa, &wstats);
3401 }
3402#endif /* WIRELESS_SPY */
3403
3404done:
3405 OUT4500(ai, EVACK, EV_RX);
3406
3407 if (success) {
3408 if (test_bit(FLAG_802_11, &ai->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = ai->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3413 } else
3414 skb->protocol = eth_type_trans(skb, ai->dev);
3415 skb->ip_summed = CHECKSUM_NONE;
3416
3417 netif_rx(skb);
3418 }
3419}
3420
3421static void airo_handle_tx(struct airo_info *ai, u16 status)
3422{
3423 int i, len = 0, index = -1;
1da177e4 3424 u16 fid;
f55d4517
DW		 3425
3426 if (test_bit(FLAG_MPI, &ai->flags)) {
3427 unsigned long flags;
3428
3429 if (status & EV_TXEXC)
3430 get_tx_error(ai, -1);
3431
3432 spin_lock_irqsave(&ai->aux_lock, flags);
3433 if (!skb_queue_empty(&ai->txq)) {
3434 spin_unlock_irqrestore(&ai->aux_lock,flags);
3435 mpi_send_packet(ai->dev);
3436 } else {
3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3438 spin_unlock_irqrestore(&ai->aux_lock,flags);
3439 netif_wake_queue(ai->dev);
3440 }
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3442 return;
3443 }
3444
3445 fid = IN4500(ai, TXCOMPLFID);
3446
3447 for(i = 0; i < MAX_FIDS; i++) {
3448 if ((ai->fids[i] & 0xffff) == fid) {
3449 len = ai->fids[i] >> 16;
3450 index = i;
3451 }
3452 }
3453
3454 if (index != -1) {
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, index);
3457
3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3459
3460 /* Set up to be used again */
3461 ai->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3464 netif_wake_queue(ai->dev);
3465 } else {
3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3467 netif_wake_queue(ai->wifidev);
3468 }
3469 } else {
3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3472 }
3473}
3474
3475static irqreturn_t airo_interrupt(int irq, void *dev_id)
3476{
3477 struct net_device *dev = dev_id;
3478 u16 status, savedInterrupts = 0;
3479 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 3480 int handled = 0;
3481
3482 if (!netif_device_present(dev))
3483 return IRQ_NONE;
3484
3485 for (;;) {
f55d4517
DW		 3486 status = IN4500(ai, EVSTAT);
3487 if (!(status & STATUS_INTS) || (status == 0xffff))
3488 break;
1da177e4
LT		 3489
3490 handled = 1;
3491
f55d4517
DW		 3492 if (status & EV_AWAKE) {
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT		 3495 }
3496
3497 if (!savedInterrupts) {
f55d4517
DW		 3498 savedInterrupts = IN4500(ai, EVINTEN);
3499 OUT4500(ai, EVINTEN, 0);
1da177e4
LT		 3500 }
3501
f55d4517
DW		 3502 if (status & EV_MIC) {
3503 OUT4500(ai, EVACK, EV_MIC);
3504 airo_handle_cisco_mic(ai);
1da177e4 3505 }
1da177e4 3506
f55d4517
DW		 3507 if (status & EV_LINK) {
3508 /* Link status changed */
3509 airo_handle_link(ai);
1da177e4
LT		 3510 }
3511
3512 /* Check to see if there is something to receive */
f55d4517
DW		 3513 if (status & EV_RX)
3514 airo_handle_rx(ai);
1da177e4
LT		 3515
3516 /* Check to see if a packet has been transmitted */
f55d4517
DW		 3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3518 airo_handle_tx(ai, status);
1da177e4 3519
f55d4517
DW		 3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3521 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3522 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3523 }
1da177e4
LT		 3524 }
3525
3526 if (savedInterrupts)
f55d4517 3527 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3528
1da177e4
LT		 3529 return IRQ_RETVAL(handled);
3530}
3531
3532/*
3533 * Routines to talk to the card
3534 */
3535
3536/*
3537 * This was originally written for the 4500, hence the name
3538 * NOTE: If use with 8bit mode and SMP bad things will happen!
3539 * Why would some one do 8 bit IO in an SMP machine?!?
3540 */
3541static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3542 if (test_bit(FLAG_MPI,&ai->flags))
3543 reg <<= 1;
3544 if ( !do8bitIO )
3545 outw( val, ai->dev->base_addr + reg );
3546 else {
3547 outb( val & 0xff, ai->dev->base_addr + reg );
3548 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3549 }
3550}
3551
3552static u16 IN4500( struct airo_info *ai, u16 reg ) {
3553 unsigned short rc;
3554
3555 if (test_bit(FLAG_MPI,&ai->flags))
3556 reg <<= 1;
3557 if ( !do8bitIO )
3558 rc = inw( ai->dev->base_addr + reg );
3559 else {
3560 rc = inb( ai->dev->base_addr + reg );
3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3562 }
3563 return rc;
3564}
3565
175ec1a1
MS		 3566static int enable_MAC(struct airo_info *ai, int lock)
3567{
1da177e4 3568 int rc;
175ec1a1
MS		 3569 Cmd cmd;
3570 Resp rsp;
1da177e4
LT		 3571
3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3574 * Note : we could try to use !netif_running(dev) in enable_MAC()
3575 * instead of this flag, but I don't trust it *within* the
3576 * open/close functions, and testing both flags together is
3577 * "cheaper" - Jean II */
3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3579
3580 if (lock && down_interruptible(&ai->sem))
3581 return -ERESTARTSYS;
3582
3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3584 memset(&cmd, 0, sizeof(cmd));
3585 cmd.cmd = MAC_ENABLE;
175ec1a1 3586 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3587 if (rc == SUCCESS)
3588 set_bit(FLAG_ENABLED, &ai->flags);
3589 } else
3590 rc = SUCCESS;
3591
3592 if (lock)
3593 up(&ai->sem);
3594
3595 if (rc)
175ec1a1
MS		 3596 airo_print_err(ai->dev->name, "Cannot enable MAC");
3597 else if ((rsp.status & 0xFF00) != 0) {
3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3600 rc = ERROR;
3601 }
1da177e4
LT		 3602 return rc;
3603}
3604
3605static void disable_MAC( struct airo_info *ai, int lock ) {
3606 Cmd cmd;
3607 Resp rsp;
3608
3609 if (lock && down_interruptible(&ai->sem))
3610 return;
3611
3612 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3613 memset(&cmd, 0, sizeof(cmd));
3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3615 issuecommand(ai, &cmd, &rsp);
3616 clear_bit(FLAG_ENABLED, &ai->flags);
3617 }
3618 if (lock)
3619 up(&ai->sem);
3620}
3621
3622static void enable_interrupts( struct airo_info *ai ) {
3623 /* Enable the interrupts */
3624 OUT4500( ai, EVINTEN, STATUS_INTS );
3625}
3626
3627static void disable_interrupts( struct airo_info *ai ) {
3628 OUT4500( ai, EVINTEN, 0 );
3629}
3630
3631static void mpi_receive_802_3(struct airo_info *ai)
3632{
3633 RxFid rxd;
3634 int len = 0;
3635 struct sk_buff *skb;
3636 char *buffer;
1da177e4
LT		 3637 int off = 0;
3638 MICBuffer micbuf;
1da177e4
LT		 3639
3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3641 /* Make sure we got something */
3642 if (rxd.rdy && rxd.valid == 0) {
3643 len = rxd.len + 12;
3644 if (len < 12 || len > 2048)
3645 goto badrx;
3646
3647 skb = dev_alloc_skb(len);
3648 if (!skb) {
5d9276da 3649 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3650 goto badrx;
3651 }
3652 buffer = skb_put(skb,len);
1da177e4
LT		 3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3654 if (ai->micstats.enabled) {
3655 memcpy(&micbuf,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3657 sizeof(micbuf));
3658 if (ntohs(micbuf.typelen) <= 0x05DC) {
3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3660 goto badmic;
3661
3662 off = sizeof(micbuf);
3663 skb_trim (skb, len - off);
3664 }
3665 }
3666 memcpy(buffer + ETH_ALEN * 2,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3668 len - ETH_ALEN * 2 - off);
3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3670badmic:
3671 dev_kfree_skb_irq (skb);
3672 goto badrx;
3673 }
1da177e4
LT		 3674#ifdef WIRELESS_SPY
3675 if (ai->spy_data.spy_number > 0) {
3676 char *sa;
3677 struct iw_quality wstats;
3678 /* Prepare spy data : addr + qual */
3679 sa = buffer + ETH_ALEN;
3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3681 wstats.level = 0;
3682 wstats.updated = 0;
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3685 }
3686#endif /* WIRELESS_SPY */
3687
1da177e4
LT		 3688 skb->ip_summed = CHECKSUM_NONE;
3689 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT		 3690 netif_rx(skb);
3691 }
3692badrx:
3693 if (rxd.valid == 0) {
3694 rxd.valid = 1;
3695 rxd.rdy = 0;
3696 rxd.len = PKTSIZE;
3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3698 }
3699}
3700
2ed5ba89 3701static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT		 3702{
3703 RxFid rxd;
3704 struct sk_buff *skb = NULL;
0300b332
AV		 3705 u16 len, hdrlen = 0;
3706 __le16 fc;
f55d4517 3707 struct rx_hdr hdr;
1da177e4
LT		 3708 u16 gap;
3709 u16 *buffer;
f55d4517 3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT		 3711
3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3713 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3714 ptr += sizeof(hdr);
3715 /* Bad CRC. Ignore packet */
3716 if (le16_to_cpu(hdr.status) & 2)
3717 hdr.len = 0;
3718 if (ai->wifidev == NULL)
3719 hdr.len = 0;
3720 len = le16_to_cpu(hdr.len);
15db2763 3721 if (len > AIRO_DEF_MTU) {
934d8bf1 3722 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3723 goto badrx;
3724 }
3725 if (len == 0)
3726 goto badrx;
3727
0300b332
AV		 3728 fc = get_unaligned((__le16 *)ptr);
3729 hdrlen = header_len(fc);
1da177e4
LT		 3730
3731 skb = dev_alloc_skb( len + hdrlen + 2 );
3732 if ( !skb ) {
5d9276da 3733 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3734 goto badrx;
3735 }
3736 buffer = (u16*)skb_put (skb, len + hdrlen);
3737 memcpy ((char *)buffer, ptr, hdrlen);
3738 ptr += hdrlen;
3739 if (hdrlen == 24)
3740 ptr += 6;
533dd1b0 3741 gap = get_unaligned_le16(ptr);
593c2b9c 3742 ptr += sizeof(__le16);
1da177e4
LT		 3743 if (gap) {
3744 if (gap <= 8)
3745 ptr += gap;
3746 else
934d8bf1
DW		 3747 airo_print_err(ai->dev->name,
3748 "gaplen too big. Problems will follow...");
1da177e4
LT		 3749 }
3750 memcpy ((char *)buffer + hdrlen, ptr, len);
3751 ptr += len;
3752#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3753 if (ai->spy_data.spy_number > 0) {
3754 char *sa;
3755 struct iw_quality wstats;
3756 /* Prepare spy data : addr + qual */
3757 sa = (char*)buffer + 10;
3758 wstats.qual = hdr.rssi[0];
3759 if (ai->rssi)
3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3761 else
3762 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3763 wstats.noise = ai->wstats.qual.noise;
3764 wstats.updated = IW_QUAL_QUAL_UPDATED
3765 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3766 | IW_QUAL_DBM;
1da177e4
LT		 3767 /* Update spy records */
3768 wireless_spy_update(ai->dev, sa, &wstats);
3769 }
3770#endif /* IW_WIRELESS_SPY */
459a98ed 3771 skb_reset_mac_header(skb);
1da177e4
LT		 3772 skb->pkt_type = PACKET_OTHERHOST;
3773 skb->dev = ai->wifidev;
3774 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT		 3775 skb->ip_summed = CHECKSUM_NONE;
3776 netif_rx( skb );
f55d4517 3777
1da177e4
LT		 3778badrx:
3779 if (rxd.valid == 0) {
3780 rxd.valid = 1;
3781 rxd.rdy = 0;
3782 rxd.len = PKTSIZE;
3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3784 }
3785}
3786
3787static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3788{
3789 Cmd cmd;
3790 Resp rsp;
3791 int status;
1da177e4 3792 SsidRid mySsid;
4293ea33 3793 __le16 lastindex;
1da177e4
LT		 3794 WepKeyRid wkr;
3795 int rc;
3796
3797 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3798 kfree (ai->flash);
3799 ai->flash = NULL;
1da177e4
LT		 3800
3801 /* The NOP is the first step in getting the card going */
3802 cmd.cmd = NOP;
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3805 return ERROR;
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3807 if (lock)
3808 up(&ai->sem);
3809 return ERROR;
3810 }
3811 disable_MAC( ai, 0);
3812
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3817 if (lock)
3818 up(&ai->sem);
934d8bf1 3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3820 return ERROR;
3821 }
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
934d8bf1 3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3825 } else {
3826 ai->bap_read = aux_bap_read;
934d8bf1 3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3828 }
3829 }
3830 if (lock)
3831 up(&ai->sem);
3832 if (ai->config.len == 0) {
49c4a5dc 3833 int i;
1da177e4
LT		 3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3836
b4558ea9
JJ		 3837 kfree(ai->APList);
3838 ai->APList = NULL;
3839 kfree(ai->SSID);
3840 ai->SSID = NULL;
1da177e4
LT		 3841 // general configuration (read/modify/write)
3842 status = readConfigRid(ai, lock);
3843 if ( status != SUCCESS ) return ERROR;
3844
3845 status = readCapabilityRid(ai, &cap_rid, lock);
3846 if ( status != SUCCESS ) return ERROR;
3847
3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3849 if ( status == SUCCESS ) {
3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3852 }
3853 else {
b4558ea9
JJ		 3854 kfree(ai->rssi);
3855 ai->rssi = NULL;
56d81bd3 3856 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3858 else
934d8bf1
DW		 3859 airo_print_warn(ai->dev->name, "unknown received signal "
3860 "level scale");
1da177e4
LT		 3861 }
3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3863 ai->config.authType = AUTH_OPEN;
3864 ai->config.modulation = MOD_CCK;
3865
56d81bd3 3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3867 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3868 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3869 ai->config.opmode |= MODE_MIC;
3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3871 }
1da177e4
LT		 3872
3873 /* Save off the MAC */
3874 for( i = 0; i < ETH_ALEN; i++ ) {
3875 mac[i] = ai->config.macAddr[i];
3876 }
3877
3878 /* Check to see if there are any insmod configured
3879 rates to add */
3880 if ( rates[0] ) {
1da177e4
LT		 3881 memset(ai->config.rates,0,sizeof(ai->config.rates));
3882 for( i = 0; i < 8 && rates[i]; i++ ) {
3883 ai->config.rates[i] = rates[i];
3884 }
3885 }
3886 if ( basic_rate > 0 ) {
1da177e4
LT		 3887 for( i = 0; i < 8; i++ ) {
3888 if ( ai->config.rates[i] == basic_rate ||
3889 !ai->config.rates ) {
3890 ai->config.rates[i] = basic_rate | 0x80;
3891 break;
3892 }
3893 }
3894 }
3895 set_bit (FLAG_COMMIT, &ai->flags);
3896 }
3897
3898 /* Setup the SSIDs if present */
3899 if ( ssids[0] ) {
3900 int i;
3901 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3902 size_t len = strlen(ssids[i]);
3903 if (len > 32)
3904 len = 32;
3905 mySsid.ssids[i].len = cpu_to_le16(len);
3906 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3907 }
0dd2212f 3908 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3909 }
3910
3911 status = writeConfigRid(ai, lock);
3912 if ( status != SUCCESS ) return ERROR;
3913
3914 /* Set up the SSID list */
3915 if ( ssids[0] ) {
3916 status = writeSsidRid(ai, &mySsid, lock);
3917 if ( status != SUCCESS ) return ERROR;
3918 }
3919
175ec1a1
MS		 3920 status = enable_MAC(ai, lock);
3921 if (status != SUCCESS)
1da177e4 3922 return ERROR;
1da177e4
LT		 3923
3924 /* Grab the initial wep key, we gotta save it for auto_wep */
3925 rc = readWepKeyRid(ai, &wkr, 1, lock);
3926 if (rc == SUCCESS) do {
3927 lastindex = wkr.kindex;
4293ea33 3928 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3929 ai->defindex = wkr.mac[0];
3930 }
3931 rc = readWepKeyRid(ai, &wkr, 0, lock);
3932 } while(lastindex != wkr.kindex);
3933
1c2b7db8 3934 try_auto_wep(ai);
1da177e4
LT		 3935
3936 return SUCCESS;
3937}
3938
3939static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3940 // Im really paranoid about letting it run forever!
3941 int max_tries = 600000;
3942
3943 if (IN4500(ai, EVSTAT) & EV_CMD)
3944 OUT4500(ai, EVACK, EV_CMD);
3945
3946 OUT4500(ai, PARAM0, pCmd->parm0);
3947 OUT4500(ai, PARAM1, pCmd->parm1);
3948 OUT4500(ai, PARAM2, pCmd->parm2);
3949 OUT4500(ai, COMMAND, pCmd->cmd);
3950
3951 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3952 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3953 // PC4500 didn't notice command, try again
3954 OUT4500(ai, COMMAND, pCmd->cmd);
3955 if (!in_atomic() && (max_tries & 255) == 0)
3956 schedule();
3957 }
3958
3959 if ( max_tries == -1 ) {
934d8bf1
DW		 3960 airo_print_err(ai->dev->name,
3961 "Max tries exceeded when issueing command");
1da177e4
LT		 3962 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3964 return ERROR;
3965 }
3966
3967 // command completed
3968 pRsp->status = IN4500(ai, STATUS);
3969 pRsp->rsp0 = IN4500(ai, RESP0);
3970 pRsp->rsp1 = IN4500(ai, RESP1);
3971 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3972 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3973 airo_print_err(ai->dev->name,
3974 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3975 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3976 pRsp->rsp2);
1da177e4
LT		 3977
3978 // clear stuck command busy if necessary
3979 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3980 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3981 }
3982 // acknowledge processing the status/response
3983 OUT4500(ai, EVACK, EV_CMD);
3984
3985 return SUCCESS;
3986}
3987
3988/* Sets up the bap to start exchange data. whichbap should
3989 * be one of the BAP0 or BAP1 defines. Locks should be held before
3990 * calling! */
3991static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3992{
3993 int timeout = 50;
3994 int max_tries = 3;
3995
3996 OUT4500(ai, SELECT0+whichbap, rid);
3997 OUT4500(ai, OFFSET0+whichbap, offset);
3998 while (1) {
3999 int status = IN4500(ai, OFFSET0+whichbap);
4000 if (status & BAP_BUSY) {
4001 /* This isn't really a timeout, but its kinda
4002 close */
4003 if (timeout--) {
4004 continue;
4005 }
4006 } else if ( status & BAP_ERR ) {
4007 /* invalid rid or offset */
934d8bf1 4008 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 4009 status, whichbap );
4010 return ERROR;
4011 } else if (status & BAP_DONE) { // success
4012 return SUCCESS;
4013 }
4014 if ( !(max_tries--) ) {
934d8bf1 4015 airo_print_err(ai->dev->name,
1138c37b 4016 "BAP setup error too many retries\n");
1da177e4
LT		 4017 return ERROR;
4018 }
4019 // -- PC4500 missed it, try again
4020 OUT4500(ai, SELECT0+whichbap, rid);
4021 OUT4500(ai, OFFSET0+whichbap, offset);
4022 timeout = 50;
4023 }
4024}
4025
4026/* should only be called by aux_bap_read. This aux function and the
4027 following use concepts not documented in the developers guide. I
4028 got them from a patch given to my by Aironet */
4029static u16 aux_setup(struct airo_info *ai, u16 page,
4030 u16 offset, u16 *len)
4031{
4032 u16 next;
4033
4034 OUT4500(ai, AUXPAGE, page);
4035 OUT4500(ai, AUXOFF, 0);
4036 next = IN4500(ai, AUXDATA);
4037 *len = IN4500(ai, AUXDATA)&0xff;
4038 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4039 return next;
4040}
4041
4042/* requires call to bap_setup() first */
b8c06bc1 4043static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4044 int bytelen, int whichbap)
4045{
4046 u16 len;
4047 u16 page;
4048 u16 offset;
4049 u16 next;
4050 int words;
4051 int i;
4052 unsigned long flags;
4053
4054 spin_lock_irqsave(&ai->aux_lock, flags);
4055 page = IN4500(ai, SWS0+whichbap);
4056 offset = IN4500(ai, SWS2+whichbap);
4057 next = aux_setup(ai, page, offset, &len);
4058 words = (bytelen+1)>>1;
4059
4060 for (i=0; i<words;) {
4061 int count;
4062 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4063 if ( !do8bitIO )
4064 insw( ai->dev->base_addr+DATA0+whichbap,
4065 pu16Dst+i,count );
4066 else
4067 insb( ai->dev->base_addr+DATA0+whichbap,
4068 pu16Dst+i, count << 1 );
4069 i += count;
4070 if (i<words) {
4071 next = aux_setup(ai, next, 4, &len);
4072 }
4073 }
4074 spin_unlock_irqrestore(&ai->aux_lock, flags);
4075 return SUCCESS;
4076}
4077
4078
4079/* requires call to bap_setup() first */
b8c06bc1 4080static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4081 int bytelen, int whichbap)
4082{
4083 bytelen = (bytelen + 1) & (~1); // round up to even value
4084 if ( !do8bitIO )
4085 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4086 else
4087 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4088 return SUCCESS;
4089}
4090
4091/* requires call to bap_setup() first */
b8c06bc1 4092static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4093 int bytelen, int whichbap)
4094{
4095 bytelen = (bytelen + 1) & (~1); // round up to even value
4096 if ( !do8bitIO )
4097 outsw( ai->dev->base_addr+DATA0+whichbap,
4098 pu16Src, bytelen>>1 );
4099 else
4100 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4101 return SUCCESS;
4102}
4103
4104static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4105{
4106 Cmd cmd; /* for issuing commands */
4107 Resp rsp; /* response from commands */
4108 u16 status;
4109
4110 memset(&cmd, 0, sizeof(cmd));
4111 cmd.cmd = accmd;
4112 cmd.parm0 = rid;
4113 status = issuecommand(ai, &cmd, &rsp);
4114 if (status != 0) return status;
4115 if ( (rsp.status & 0x7F00) != 0) {
4116 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4117 }
4118 return 0;
4119}
4120
4121/* Note, that we are using BAP1 which is also used by transmit, so
4122 * we must get a lock. */
4123static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4124{
4125 u16 status;
4126 int rc = SUCCESS;
4127
4128 if (lock) {
4129 if (down_interruptible(&ai->sem))
4130 return ERROR;
4131 }
4132 if (test_bit(FLAG_MPI,&ai->flags)) {
4133 Cmd cmd;
4134 Resp rsp;
4135
4136 memset(&cmd, 0, sizeof(cmd));
4137 memset(&rsp, 0, sizeof(rsp));
4138 ai->config_desc.rid_desc.valid = 1;
4139 ai->config_desc.rid_desc.len = RIDSIZE;
4140 ai->config_desc.rid_desc.rid = 0;
4141 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4142
4143 cmd.cmd = CMD_ACCESS;
4144 cmd.parm0 = rid;
4145
4146 memcpy_toio(ai->config_desc.card_ram_off,
4147 &ai->config_desc.rid_desc, sizeof(Rid));
4148
4149 rc = issuecommand(ai, &cmd, &rsp);
4150
4151 if (rsp.status & 0x7f00)
4152 rc = rsp.rsp0;
4153 if (!rc)
4154 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4155 goto done;
4156 } else {
4157 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4158 rc = status;
4159 goto done;
4160 }
4161 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4162 rc = ERROR;
4163 goto done;
4164 }
4165 // read the rid length field
4166 bap_read(ai, pBuf, 2, BAP1);
4167 // length for remaining part of rid
593c2b9c 4168 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4169
4170 if ( len <= 2 ) {
934d8bf1
DW		 4171 airo_print_err(ai->dev->name,
4172 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4173 (int)rid, (int)len );
4174 rc = ERROR;
4175 goto done;
4176 }
4177 // read remainder of the rid
b8c06bc1 4178 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4179 }
4180done:
4181 if (lock)
4182 up(&ai->sem);
4183 return rc;
4184}
4185
4186/* Note, that we are using BAP1 which is also used by transmit, so
4187 * make sure this isnt called when a transmit is happening */
4188static int PC4500_writerid(struct airo_info *ai, u16 rid,
4189 const void *pBuf, int len, int lock)
4190{
4191 u16 status;
4192 int rc = SUCCESS;
4193
593c2b9c 4194 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4195
4196 if (lock) {
4197 if (down_interruptible(&ai->sem))
4198 return ERROR;
4199 }
4200 if (test_bit(FLAG_MPI,&ai->flags)) {
4201 Cmd cmd;
4202 Resp rsp;
4203
f89b2321 4204 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4205 airo_print_err(ai->dev->name,
4206 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4207 __func__, rid);
1da177e4
LT		 4208 memset(&cmd, 0, sizeof(cmd));
4209 memset(&rsp, 0, sizeof(rsp));
4210
4211 ai->config_desc.rid_desc.valid = 1;
4212 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4213 ai->config_desc.rid_desc.rid = 0;
4214
4215 cmd.cmd = CMD_WRITERID;
4216 cmd.parm0 = rid;
4217
4218 memcpy_toio(ai->config_desc.card_ram_off,
4219 &ai->config_desc.rid_desc, sizeof(Rid));
4220
4221 if (len < 4 || len > 2047) {
c94c93da 4222 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT		 4223 rc = -1;
4224 } else {
4225 memcpy((char *)ai->config_desc.virtual_host_addr,
4226 pBuf, len);
4227
4228 rc = issuecommand(ai, &cmd, &rsp);
4229 if ((rc & 0xff00) != 0) {
934d8bf1 4230 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4231 __func__, rc);
934d8bf1 4232 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4233 __func__, cmd.cmd);
1da177e4
LT		 4234 }
4235
4236 if ((rsp.status & 0x7f00))
4237 rc = rsp.rsp0;
4238 }
4239 } else {
4240 // --- first access so that we can write the rid data
4241 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4242 rc = status;
4243 goto done;
4244 }
4245 // --- now write the rid data
4246 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4247 rc = ERROR;
4248 goto done;
4249 }
4250 bap_write(ai, pBuf, len, BAP1);
4251 // ---now commit the rid data
4252 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4253 }
4254done:
4255 if (lock)
4256 up(&ai->sem);
4257 return rc;
4258}
4259
4260/* Allocates a FID to be used for transmitting packets. We only use
4261 one for now. */
4262static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4263{
4264 unsigned int loop = 3000;
4265 Cmd cmd;
4266 Resp rsp;
4267 u16 txFid;
593c2b9c 4268 __le16 txControl;
1da177e4
LT		 4269
4270 cmd.cmd = CMD_ALLOCATETX;
4271 cmd.parm0 = lenPayload;
4272 if (down_interruptible(&ai->sem))
4273 return ERROR;
4274 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4275 txFid = ERROR;
4276 goto done;
4277 }
4278 if ( (rsp.status & 0xFF00) != 0) {
4279 txFid = ERROR;
4280 goto done;
4281 }
4282 /* wait for the allocate event/indication
4283 * It makes me kind of nervous that this can just sit here and spin,
4284 * but in practice it only loops like four times. */
4285 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4286 if (!loop) {
4287 txFid = ERROR;
4288 goto done;
4289 }
4290
4291 // get the allocated fid and acknowledge
4292 txFid = IN4500(ai, TXALLOCFID);
4293 OUT4500(ai, EVACK, EV_ALLOC);
4294
4295 /* The CARD is pretty cool since it converts the ethernet packet
4296 * into 802.11. Also note that we don't release the FID since we
4297 * will be using the same one over and over again. */
4298 /* We only have to setup the control once since we are not
4299 * releasing the fid. */
4300 if (raw)
4301 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4302 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4303 else
4304 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4305 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4306 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4307 txFid = ERROR;
4308 else
4309 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4310
4311done:
4312 up(&ai->sem);
4313
4314 return txFid;
4315}
4316
4317/* In general BAP1 is dedicated to transmiting packets. However,
4318 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4319 Make sure the BAP1 spinlock is held when this is called. */
4320static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4321{
593c2b9c 4322 __le16 payloadLen;
1da177e4
LT		 4323 Cmd cmd;
4324 Resp rsp;
4325 int miclen = 0;
4326 u16 txFid = len;
4327 MICBuffer pMic;
4328
4329 len >>= 16;
4330
4331 if (len <= ETH_ALEN * 2) {
934d8bf1 4332 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4333 return ERROR;
4334 }
4335 len -= ETH_ALEN * 2;
4336
1da177e4 4337 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4338 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4339 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4340 return ERROR;
4341 miclen = sizeof(pMic);
4342 }
1da177e4
LT		 4343 // packet is destination[6], source[6], payload[len-12]
4344 // write the payload length and dst/src/payload
4345 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4346 /* The hardware addresses aren't counted as part of the payload, so
4347 * we have to subtract the 12 bytes for the addresses off */
4348 payloadLen = cpu_to_le16(len + miclen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4350 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4351 if (miclen)
b8c06bc1
AV		 4352 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4353 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4354 // issue the transmit command
4355 memset( &cmd, 0, sizeof( cmd ) );
4356 cmd.cmd = CMD_TRANSMIT;
4357 cmd.parm0 = txFid;
4358 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4359 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4360 return SUCCESS;
4361}
4362
4363static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4364{
593c2b9c 4365 __le16 fc, payloadLen;
1da177e4
LT		 4366 Cmd cmd;
4367 Resp rsp;
4368 int hdrlen;
977b143c
AV		 4369 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4370 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4371 u16 txFid = len;
4372 len >>= 16;
1da177e4 4373
0300b332
AV		 4374 fc = *(__le16*)pPacket;
4375 hdrlen = header_len(fc);
1da177e4
LT		 4376
4377 if (len < hdrlen) {
934d8bf1 4378 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4379 return ERROR;
4380 }
4381
4382 /* packet is 802.11 header + payload
4383 * write the payload length and dst/src/payload */
4384 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4385 /* The 802.11 header aren't counted as part of the payload, so
4386 * we have to subtract the header bytes off */
4387 payloadLen = cpu_to_le16(len-hdrlen);
4388 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4389 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4390 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4391 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4392
b8c06bc1 4393 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4394 // issue the transmit command
4395 memset( &cmd, 0, sizeof( cmd ) );
4396 cmd.cmd = CMD_TRANSMIT;
4397 cmd.parm0 = txFid;
4398 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4399 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4400 return SUCCESS;
4401}
4402
4403/*
4404 * This is the proc_fs routines. It is a bit messier than I would
4405 * like! Feel free to clean it up!
4406 */
4407
4408static ssize_t proc_read( struct file *file,
4409 char __user *buffer,
4410 size_t len,
4411 loff_t *offset);
4412
4413static ssize_t proc_write( struct file *file,
4414 const char __user *buffer,
4415 size_t len,
4416 loff_t *offset );
4417static int proc_close( struct inode *inode, struct file *file );
4418
4419static int proc_stats_open( struct inode *inode, struct file *file );
4420static int proc_statsdelta_open( struct inode *inode, struct file *file );
4421static int proc_status_open( struct inode *inode, struct file *file );
4422static int proc_SSID_open( struct inode *inode, struct file *file );
4423static int proc_APList_open( struct inode *inode, struct file *file );
4424static int proc_BSSList_open( struct inode *inode, struct file *file );
4425static int proc_config_open( struct inode *inode, struct file *file );
4426static int proc_wepkey_open( struct inode *inode, struct file *file );
4427
d54b1fdb 4428static const struct file_operations proc_statsdelta_ops = {
a95609cb 4429 .owner = THIS_MODULE,
1da177e4
LT		 4430 .read = proc_read,
4431 .open = proc_statsdelta_open,
4432 .release = proc_close
4433};
4434
d54b1fdb 4435static const struct file_operations proc_stats_ops = {
a95609cb 4436 .owner = THIS_MODULE,
1da177e4
LT		 4437 .read = proc_read,
4438 .open = proc_stats_open,
4439 .release = proc_close
4440};
4441
d54b1fdb 4442static const struct file_operations proc_status_ops = {
a95609cb 4443 .owner = THIS_MODULE,
1da177e4
LT		 4444 .read = proc_read,
4445 .open = proc_status_open,
4446 .release = proc_close
4447};
4448
d54b1fdb 4449static const struct file_operations proc_SSID_ops = {
a95609cb 4450 .owner = THIS_MODULE,
1da177e4
LT		 4451 .read = proc_read,
4452 .write = proc_write,
4453 .open = proc_SSID_open,
4454 .release = proc_close
4455};
4456
d54b1fdb 4457static const struct file_operations proc_BSSList_ops = {
a95609cb 4458 .owner = THIS_MODULE,
1da177e4
LT		 4459 .read = proc_read,
4460 .write = proc_write,
4461 .open = proc_BSSList_open,
4462 .release = proc_close
4463};
4464
d54b1fdb 4465static const struct file_operations proc_APList_ops = {
a95609cb 4466 .owner = THIS_MODULE,
1da177e4
LT		 4467 .read = proc_read,
4468 .write = proc_write,
4469 .open = proc_APList_open,
4470 .release = proc_close
4471};
4472
d54b1fdb 4473static const struct file_operations proc_config_ops = {
a95609cb 4474 .owner = THIS_MODULE,
1da177e4
LT		 4475 .read = proc_read,
4476 .write = proc_write,
4477 .open = proc_config_open,
4478 .release = proc_close
4479};
4480
d54b1fdb 4481static const struct file_operations proc_wepkey_ops = {
a95609cb 4482 .owner = THIS_MODULE,
1da177e4
LT		 4483 .read = proc_read,
4484 .write = proc_write,
4485 .open = proc_wepkey_open,
4486 .release = proc_close
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;
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4507 S_IFDIR|airo_perm,
4508 airo_entry);
431aca5a
FM		 4509 if (!apriv->proc_entry)
4510 goto fail;
4511 apriv->proc_entry->uid = proc_uid;
4512 apriv->proc_entry->gid = proc_gid;
1da177e4
LT		 4513
4514 /* Setup the StatsDelta */
a95609cb
DL		 4515 entry = proc_create_data("StatsDelta",
4516 S_IFREG | (S_IRUGO&proc_perm),
4517 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4518 if (!entry)
4519 goto fail_stats_delta;
4520 entry->uid = proc_uid;
4521 entry->gid = proc_gid;
1da177e4
LT		 4522
4523 /* Setup the Stats */
a95609cb
DL		 4524 entry = proc_create_data("Stats",
4525 S_IFREG | (S_IRUGO&proc_perm),
4526 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4527 if (!entry)
4528 goto fail_stats;
4529 entry->uid = proc_uid;
4530 entry->gid = proc_gid;
1da177e4
LT		 4531
4532 /* Setup the Status */
a95609cb
DL		 4533 entry = proc_create_data("Status",
4534 S_IFREG | (S_IRUGO&proc_perm),
4535 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4536 if (!entry)
4537 goto fail_status;
4538 entry->uid = proc_uid;
4539 entry->gid = proc_gid;
1da177e4
LT		 4540
4541 /* Setup the Config */
a95609cb
DL		 4542 entry = proc_create_data("Config",
4543 S_IFREG | proc_perm,
4544 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4545 if (!entry)
4546 goto fail_config;
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
1da177e4
LT		 4549
4550 /* Setup the SSID */
a95609cb
DL		 4551 entry = proc_create_data("SSID",
4552 S_IFREG | proc_perm,
4553 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4554 if (!entry)
4555 goto fail_ssid;
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
1da177e4
LT		 4558
4559 /* Setup the APList */
a95609cb
DL		 4560 entry = proc_create_data("APList",
4561 S_IFREG | proc_perm,
4562 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4563 if (!entry)
4564 goto fail_aplist;
4565 entry->uid = proc_uid;
4566 entry->gid = proc_gid;
1da177e4
LT		 4567
4568 /* Setup the BSSList */
a95609cb
DL		 4569 entry = proc_create_data("BSSList",
4570 S_IFREG | proc_perm,
4571 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4572 if (!entry)
4573 goto fail_bsslist;
1da177e4
LT		 4574 entry->uid = proc_uid;
4575 entry->gid = proc_gid;
1da177e4
LT		 4576
4577 /* Setup the WepKey */
a95609cb
DL		 4578 entry = proc_create_data("WepKey",
4579 S_IFREG | proc_perm,
4580 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4581 if (!entry)
4582 goto fail_wepkey;
4583 entry->uid = proc_uid;
4584 entry->gid = proc_gid;
1da177e4
LT		 4585
4586 return 0;
431aca5a
FM		 4587
4588fail_wepkey:
4589 remove_proc_entry("BSSList", apriv->proc_entry);
4590fail_bsslist:
4591 remove_proc_entry("APList", apriv->proc_entry);
4592fail_aplist:
4593 remove_proc_entry("SSID", apriv->proc_entry);
4594fail_ssid:
4595 remove_proc_entry("Config", apriv->proc_entry);
4596fail_config:
4597 remove_proc_entry("Status", apriv->proc_entry);
4598fail_status:
4599 remove_proc_entry("Stats", apriv->proc_entry);
4600fail_stats:
4601 remove_proc_entry("StatsDelta", apriv->proc_entry);
4602fail_stats_delta:
4603 remove_proc_entry(apriv->proc_name, airo_entry);
4604fail:
4605 return -ENOMEM;
1da177e4
LT		 4606}
4607
4608static int takedown_proc_entry( struct net_device *dev,
4609 struct airo_info *apriv ) {
4610 if ( !apriv->proc_entry->namelen ) return 0;
4611 remove_proc_entry("Stats",apriv->proc_entry);
4612 remove_proc_entry("StatsDelta",apriv->proc_entry);
4613 remove_proc_entry("Status",apriv->proc_entry);
4614 remove_proc_entry("Config",apriv->proc_entry);
4615 remove_proc_entry("SSID",apriv->proc_entry);
4616 remove_proc_entry("APList",apriv->proc_entry);
4617 remove_proc_entry("BSSList",apriv->proc_entry);
4618 remove_proc_entry("WepKey",apriv->proc_entry);
4619 remove_proc_entry(apriv->proc_name,airo_entry);
4620 return 0;
4621}
4622
4623/*
4624 * What we want from the proc_fs is to be able to efficiently read
4625 * and write the configuration. To do this, we want to read the
4626 * configuration when the file is opened and write it when the file is
4627 * closed. So basically we allocate a read buffer at open and fill it
4628 * with data, and allocate a write buffer and read it at close.
4629 */
4630
4631/*
4632 * The read routine is generic, it relies on the preallocated rbuffer
4633 * to supply the data.
4634 */
4635static ssize_t proc_read( struct file *file,
4636 char __user *buffer,
4637 size_t len,
4638 loff_t *offset )
4639{
cc0d9ff2 4640 struct proc_data *priv = file->private_data;
1da177e4
LT		 4641
4642 if (!priv->rbuffer)
4643 return -EINVAL;
4644
cc0d9ff2
AM		 4645 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4646 priv->readlen);
1da177e4
LT		 4647}
4648
4649/*
4650 * The write routine is generic, it fills in a preallocated rbuffer
4651 * to supply the data.
4652 */
4653static ssize_t proc_write( struct file *file,
4654 const char __user *buffer,
4655 size_t len,
4656 loff_t *offset )
4657{
4658 loff_t pos = *offset;
57674308 4659 struct proc_data *priv = file->private_data;
1da177e4
LT		 4660
4661 if (!priv->wbuffer)
4662 return -EINVAL;
4663
4664 if (pos < 0)
4665 return -EINVAL;
4666 if (pos >= priv->maxwritelen)
4667 return 0;
4668 if (len > priv->maxwritelen - pos)
4669 len = priv->maxwritelen - pos;
4670 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4671 return -EFAULT;
4672 if ( pos + len > priv->writelen )
4673 priv->writelen = len + file->f_pos;
4674 *offset = pos + len;
4675 return len;
4676}
4677
329e2c00
AV		 4678static int proc_status_open(struct inode *inode, struct file *file)
4679{
1da177e4
LT		 4680 struct proc_data *data;
4681 struct proc_dir_entry *dp = PDE(inode);
4682 struct net_device *dev = dp->data;
faf3994a 4683 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4684 CapabilityRid cap_rid;
4685 StatusRid status_rid;
329e2c00 4686 u16 mode;
1da177e4
LT		 4687 int i;
4688
b69a3aa8 4689 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4690 return -ENOMEM;
57674308 4691 data = file->private_data;
1da177e4
LT		 4692 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4693 kfree (file->private_data);
4694 return -ENOMEM;
4695 }
4696
4697 readStatusRid(apriv, &status_rid, 1);
4698 readCapabilityRid(apriv, &cap_rid, 1);
4699
329e2c00
AV		 4700 mode = le16_to_cpu(status_rid.mode);
4701
1da177e4 4702 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4703 mode & 1 ? "CFG ": "",
4704 mode & 2 ? "ACT ": "",
4705 mode & 0x10 ? "SYN ": "",
4706 mode & 0x20 ? "LNK ": "",
4707 mode & 0x40 ? "LEAP ": "",
4708 mode & 0x80 ? "PRIV ": "",
4709 mode & 0x100 ? "KEY ": "",
4710 mode & 0x200 ? "WEP ": "",
4711 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4712 sprintf( data->rbuffer+i, "Mode: %x\n"
4713 "Signal Strength: %d\n"
4714 "Signal Quality: %d\n"
4715 "SSID: %-.*s\n"
4716 "AP: %-.16s\n"
4717 "Freq: %d\n"
4718 "BitRate: %dmbs\n"
4719 "Driver Version: %s\n"
4720 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4721 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4722 "Software Version: %x\nSoftware Subversion: %x\n"
4723 "Boot block version: %x\n",
329e2c00
AV		 4724 le16_to_cpu(status_rid.mode),
4725 le16_to_cpu(status_rid.normalizedSignalStrength),
4726 le16_to_cpu(status_rid.signalQuality),
4727 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4728 status_rid.SSID,
4729 status_rid.apName,
329e2c00
AV		 4730 le16_to_cpu(status_rid.channel),
4731 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4732 version,
4733 cap_rid.prodName,
4734 cap_rid.manName,
4735 cap_rid.prodVer,
56d81bd3
AV		 4736 le16_to_cpu(cap_rid.radioType),
4737 le16_to_cpu(cap_rid.country),
4738 le16_to_cpu(cap_rid.hardVer),
4739 le16_to_cpu(cap_rid.softVer),
4740 le16_to_cpu(cap_rid.softSubVer),
4741 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4742 data->readlen = strlen( data->rbuffer );
4743 return 0;
4744}
4745
4746static int proc_stats_rid_open(struct inode*, struct file*, u16);
4747static int proc_statsdelta_open( struct inode *inode,
4748 struct file *file ) {
4749 if (file->f_mode&FMODE_WRITE) {
4750 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4751 }
4752 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4753}
4754
4755static int proc_stats_open( struct inode *inode, struct file *file ) {
4756 return proc_stats_rid_open(inode, file, RID_STATS);
4757}
4758
4759static int proc_stats_rid_open( struct inode *inode,
4760 struct file *file,
a23ace5f
AV		 4761 u16 rid )
4762{
1da177e4
LT		 4763 struct proc_data *data;
4764 struct proc_dir_entry *dp = PDE(inode);
4765 struct net_device *dev = dp->data;
faf3994a 4766 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4767 StatsRid stats;
4768 int i, j;
a23ace5f 4769 __le32 *vals = stats.vals;
bc8263f1 4770 int len;
1da177e4 4771
b69a3aa8 4772 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4773 return -ENOMEM;
57674308 4774 data = file->private_data;
1da177e4
LT		 4775 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4776 kfree (file->private_data);
4777 return -ENOMEM;
4778 }
4779
4780 readStatsRid(apriv, &stats, rid, 1);
bc8263f1 4781 len = le16_to_cpu(stats.len);
1da177e4
LT		 4782
4783 j = 0;
a23ace5f 4784 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4785 if (!statsLabels[i]) continue;
4786 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4787 airo_print_warn(apriv->dev->name,
4788 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4789 break;
4790 }
a23ace5f
AV		 4791 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4792 le32_to_cpu(vals[i]));
1da177e4 4793 }
a23ace5f 4794 if (i*4 >= len) {
934d8bf1 4795 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4796 }
4797 data->readlen = j;
4798 return 0;
4799}
4800
4801static int get_dec_u16( char *buffer, int *start, int limit ) {
4802 u16 value;
4803 int valid = 0;
30bd5726
RK		 4804 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4805 buffer[*start] <= '9'; (*start)++) {
1da177e4
LT		 4806 valid = 1;
4807 value *= 10;
4808 value += buffer[*start] - '0';
4809 }
4810 if ( !valid ) return -1;
4811 return value;
4812}
4813
4814static int airo_config_commit(struct net_device *dev,
4815 struct iw_request_info *info, void *zwrq,
4816 char *extra);
4817
3eb9b41f
AV		 4818static inline int sniffing_mode(struct airo_info *ai)
4819{
1f351e38 4820 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
3eb9b41f
AV		 4821 le16_to_cpu(RXMODE_RFMON);
4822}
4823
4824static void proc_config_on_close(struct inode *inode, struct file *file)
4825{
1da177e4
LT		 4826 struct proc_data *data = file->private_data;
4827 struct proc_dir_entry *dp = PDE(inode);
4828 struct net_device *dev = dp->data;
faf3994a 4829 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 4830 char *line;
4831
4832 if ( !data->writelen ) return;
4833
4834 readConfigRid(ai, 1);
4835 set_bit (FLAG_COMMIT, &ai->flags);
4836
4837 line = data->wbuffer;
4838 while( line[0] ) {
4839/*** Mode processing */
4840 if ( !strncmp( line, "Mode: ", 6 ) ) {
4841 line += 6;
3eb9b41f
AV		 4842 if (sniffing_mode(ai))
4843 set_bit (FLAG_RESET, &ai->flags);
4844 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4845 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4846 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4847 ai->config.scanMode = SCANMODE_ACTIVE;
4848 if ( line[0] == 'a' ) {
3eb9b41f 4849 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4850 } else {
3eb9b41f 4851 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4852 if ( line[0] == 'r' ) {
4853 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4854 ai->config.scanMode = SCANMODE_PASSIVE;
4855 set_bit (FLAG_802_11, &ai->flags);
4856 } else if ( line[0] == 'y' ) {
4857 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4858 ai->config.scanMode = SCANMODE_PASSIVE;
4859 set_bit (FLAG_802_11, &ai->flags);
4860 } else if ( line[0] == 'l' )
4861 ai->config.rmode |= RXMODE_LANMON;
4862 }
4863 set_bit (FLAG_COMMIT, &ai->flags);
4864 }
4865
4866/*** Radio status */
4867 else if (!strncmp(line,"Radio: ", 7)) {
4868 line += 7;
4869 if (!strncmp(line,"off",3)) {
4870 set_bit (FLAG_RADIO_OFF, &ai->flags);
4871 } else {
4872 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4873 }
4874 }
4875/*** NodeName processing */
4876 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4877 int j;
4878
4879 line += 10;
4880 memset( ai->config.nodeName, 0, 16 );
4881/* Do the name, assume a space between the mode and node name */
4882 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4883 ai->config.nodeName[j] = line[j];
4884 }
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 }
4887
4888/*** PowerMode processing */
4889 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4890 line += 11;
4891 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4892 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if ( !strncmp( line, "PSP", 3 ) ) {
4895 ai->config.powerSaveMode = POWERSAVE_PSP;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4897 } else {
4898 ai->config.powerSaveMode = POWERSAVE_CAM;
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 }
4901 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4902 int v, i = 0, k = 0; /* i is index into line,
4903 k is index to rates */
4904
4905 line += 11;
4906 while((v = get_dec_u16(line, &i, 3))!=-1) {
4907 ai->config.rates[k++] = (u8)v;
4908 line += i + 1;
4909 i = 0;
4910 }
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4913 int v, i = 0;
4914 line += 9;
4915 v = get_dec_u16(line, &i, i+3);
4916 if ( v != -1 ) {
3eb9b41f 4917 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4918 set_bit (FLAG_COMMIT, &ai->flags);
4919 }
4920 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4921 int v, i = 0;
4922 line += 11;
4923 v = get_dec_u16(line, &i, i+3);
4924 if ( v != -1 ) {
3eb9b41f 4925 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4926 set_bit (FLAG_COMMIT, &ai->flags);
4927 }
4928 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4929 line += 5;
4930 switch( line[0] ) {
4931 case 's':
3eb9b41f 4932 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4933 break;
4934 case 'e':
3eb9b41f 4935 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4936 break;
4937 default:
3eb9b41f 4938 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4939 break;
4940 }
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4943 int v, i = 0;
4944
4945 line += 16;
4946 v = get_dec_u16(line, &i, 3);
4947 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4948 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4951 int v, i = 0;
4952
4953 line += 17;
4954 v = get_dec_u16(line, &i, 3);
4955 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4956 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4959 int v, i = 0;
4960
4961 line += 14;
4962 v = get_dec_u16(line, &i, 4);
15db2763 4963 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4964 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4967 int v, i = 0;
4968
4969 line += 16;
4970 v = get_dec_u16(line, &i, 5);
4971 v = (v<0) ? 0 : v;
3eb9b41f 4972 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4973 set_bit (FLAG_COMMIT, &ai->flags);
4974 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4975 int v, i = 0;
4976
4977 line += 16;
4978 v = get_dec_u16(line, &i, 5);
4979 v = (v<0) ? 0 : v;
3eb9b41f 4980 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4981 set_bit (FLAG_COMMIT, &ai->flags);
4982 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4983 ai->config.txDiversity =
4984 (line[13]=='l') ? 1 :
4985 ((line[13]=='r')? 2: 3);
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4988 ai->config.rxDiversity =
4989 (line[13]=='l') ? 1 :
4990 ((line[13]=='r')? 2: 3);
4991 set_bit (FLAG_COMMIT, &ai->flags);
4992 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4993 int v, i = 0;
4994
4995 line += 15;
4996 v = get_dec_u16(line, &i, 4);
15db2763 4997 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4998 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4999 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if (!strncmp(line, "Modulation: ", 12)) {
5002 line += 12;
5003 switch(*line) {
5004 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5005 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5006 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5007 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 5008 }
5009 } else if (!strncmp(line, "Preamble: ", 10)) {
5010 line += 10;
5011 switch(*line) {
5012 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5013 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5015 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 5016 }
5017 } else {
934d8bf1 5018 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5019 }
5020 while( line[0] && line[0] != '\n' ) line++;
5021 if ( line[0] ) line++;
5022 }
5023 airo_config_commit(dev, NULL, NULL, NULL);
5024}
5025
7a374d8e 5026static const char *get_rmode(__le16 mode)
3eb9b41f
AV		 5027{
5028 switch(mode & RXMODE_MASK) {
1da177e4
LT		 5029 case RXMODE_RFMON: return "rfmon";
5030 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5031 case RXMODE_LANMON: return "lanmon";
5032 }
5033 return "ESS";
5034}
5035
3eb9b41f
AV		 5036static int proc_config_open(struct inode *inode, struct file *file)
5037{
1da177e4
LT		 5038 struct proc_data *data;
5039 struct proc_dir_entry *dp = PDE(inode);
5040 struct net_device *dev = dp->data;
faf3994a 5041 struct airo_info *ai = dev->ml_priv;
1da177e4 5042 int i;
3eb9b41f 5043 __le16 mode;
1da177e4 5044
b69a3aa8 5045 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5046 return -ENOMEM;
57674308 5047 data = file->private_data;
1da177e4
LT		 5048 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5049 kfree (file->private_data);
5050 return -ENOMEM;
5051 }
b69a3aa8 5052 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5053 kfree (data->rbuffer);
5054 kfree (file->private_data);
5055 return -ENOMEM;
5056 }
1da177e4
LT		 5057 data->maxwritelen = 2048;
5058 data->on_close = proc_config_on_close;
5059
5060 readConfigRid(ai, 1);
5061
3eb9b41f 5062 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 5063 i = sprintf( data->rbuffer,
5064 "Mode: %s\n"
5065 "Radio: %s\n"
5066 "NodeName: %-16s\n"
5067 "PowerMode: %s\n"
5068 "DataRates: %d %d %d %d %d %d %d %d\n"
5069 "Channel: %d\n"
5070 "XmitPower: %d\n",
3eb9b41f
AV		 5071 mode == MODE_STA_IBSS ? "adhoc" :
5072 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5073 mode == MODE_AP ? "AP" :
5074 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5075 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5076 ai->config.nodeName,
3eb9b41f
AV		 5077 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5078 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5079 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5080 "Error",
1da177e4
LT		 5081 (int)ai->config.rates[0],
5082 (int)ai->config.rates[1],
5083 (int)ai->config.rates[2],
5084 (int)ai->config.rates[3],
5085 (int)ai->config.rates[4],
5086 (int)ai->config.rates[5],
5087 (int)ai->config.rates[6],
5088 (int)ai->config.rates[7],
3eb9b41f
AV		 5089 le16_to_cpu(ai->config.channelSet),
5090 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5091 );
5092 sprintf( data->rbuffer + i,
5093 "LongRetryLimit: %d\n"
5094 "ShortRetryLimit: %d\n"
5095 "RTSThreshold: %d\n"
5096 "TXMSDULifetime: %d\n"
5097 "RXMSDULifetime: %d\n"
5098 "TXDiversity: %s\n"
5099 "RXDiversity: %s\n"
5100 "FragThreshold: %d\n"
5101 "WEP: %s\n"
5102 "Modulation: %s\n"
5103 "Preamble: %s\n",
3eb9b41f
AV		 5104 le16_to_cpu(ai->config.longRetryLimit),
5105 le16_to_cpu(ai->config.shortRetryLimit),
5106 le16_to_cpu(ai->config.rtsThres),
5107 le16_to_cpu(ai->config.txLifetime),
5108 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5109 ai->config.txDiversity == 1 ? "left" :
5110 ai->config.txDiversity == 2 ? "right" : "both",
5111 ai->config.rxDiversity == 1 ? "left" :
5112 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5113 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5114 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5115 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5116 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5117 ai->config.modulation == MOD_CCK ? "cck" :
5118 ai->config.modulation == MOD_MOK ? "mok" : "error",
5119 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5120 ai->config.preamble == PREAMBLE_LONG ? "long" :
5121 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5122 );
5123 data->readlen = strlen( data->rbuffer );
5124 return 0;
5125}
5126
0dd2212f
AV		 5127static void proc_SSID_on_close(struct inode *inode, struct file *file)
5128{
57674308 5129 struct proc_data *data = file->private_data;
1da177e4
LT		 5130 struct proc_dir_entry *dp = PDE(inode);
5131 struct net_device *dev = dp->data;
faf3994a 5132 struct airo_info *ai = dev->ml_priv;
1da177e4 5133 SsidRid SSID_rid;
1da177e4 5134 int i;
0dd2212f
AV		 5135 char *p = data->wbuffer;
5136 char *end = p + data->writelen;
1da177e4 5137
0dd2212f
AV		 5138 if (!data->writelen)
5139 return;
1da177e4 5140
0dd2212f 5141 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5142
0dd2212f
AV		 5143 memset(&SSID_rid, 0, sizeof(SSID_rid));
5144
5145 for (i = 0; i < 3 && p < end; i++) {
5146 int j = 0;
5147 /* copy up to 32 characters from this line */
5148 while (*p != '\n' && j < 32)
5149 SSID_rid.ssids[i].ssid[j++] = *p++;
5150 if (j == 0)
5151 break;
5152 SSID_rid.ssids[i].len = cpu_to_le16(j);
5153 /* skip to the beginning of the next line */
5154 while (*p++ != '\n')
5155 ;
1da177e4
LT		 5156 }
5157 if (i)
0dd2212f 5158 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5159 disable_MAC(ai, 1);
5160 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5161 enable_MAC(ai, 1);
1da177e4
LT		 5162}
5163
1da177e4 5164static void proc_APList_on_close( struct inode *inode, struct file *file ) {
57674308 5165 struct proc_data *data = file->private_data;
1da177e4
LT		 5166 struct proc_dir_entry *dp = PDE(inode);
5167 struct net_device *dev = dp->data;
faf3994a 5168 struct airo_info *ai = dev->ml_priv;
1da177e4 5169 APListRid APList_rid;
1da177e4
LT		 5170 int i;
5171
5172 if ( !data->writelen ) return;
5173
5174 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5175 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5176
5177 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5178 int j;
5179 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5180 switch(j%3) {
5181 case 0:
5182 APList_rid.ap[i][j/3]=
26355387 5183 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
1da177e4
LT		 5184 break;
5185 case 1:
5186 APList_rid.ap[i][j/3]|=
26355387 5187 hex_to_bin(data->wbuffer[j+i*6*3]);
1da177e4
LT		 5188 break;
5189 }
5190 }
5191 }
5192 disable_MAC(ai, 1);
5193 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5194 enable_MAC(ai, 1);
1da177e4
LT		 5195}
5196
5197/* This function wraps PC4500_writerid with a MAC disable */
5198static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5199 int len, int dummy ) {
5200 int rc;
1da177e4
LT		 5201
5202 disable_MAC(ai, 1);
5203 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5204 enable_MAC(ai, 1);
1da177e4
LT		 5205 return rc;
5206}
5207
c0380693
DW		 5208/* Returns the WEP key at the specified index, or -1 if that key does
5209 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5210 */
c0380693
DW		 5211static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5212{
1da177e4
LT		 5213 WepKeyRid wkr;
5214 int rc;
4293ea33 5215 __le16 lastindex;
1da177e4
LT		 5216
5217 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW		 5218 if (rc != SUCCESS)
5219 return -1;
5220 do {
1da177e4 5221 lastindex = wkr.kindex;
c0380693
DW		 5222 if (le16_to_cpu(wkr.kindex) == index) {
5223 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5224 memcpy(buf, wkr.key, klen);
5225 return klen;
1da177e4 5226 }
c0380693
DW		 5227 rc = readWepKeyRid(ai, &wkr, 0, 1);
5228 if (rc != SUCCESS)
5229 return -1;
4293ea33 5230 } while (lastindex != wkr.kindex);
1da177e4
LT		 5231 return -1;
5232}
5233
c0380693
DW		 5234static int get_wep_tx_idx(struct airo_info *ai)
5235{
5236 WepKeyRid wkr;
5237 int rc;
5238 __le16 lastindex;
5239
5240 rc = readWepKeyRid(ai, &wkr, 1, 1);
5241 if (rc != SUCCESS)
5242 return -1;
5243 do {
5244 lastindex = wkr.kindex;
5245 if (wkr.kindex == cpu_to_le16(0xffff))
5246 return wkr.mac[0];
5247 rc = readWepKeyRid(ai, &wkr, 0, 1);
5248 if (rc != SUCCESS)
5249 return -1;
5250 } while (lastindex != wkr.kindex);
5251 return -1;
5252}
5253
5254static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5255 u16 keylen, int perm, int lock)
4293ea33 5256{
1da177e4
LT		 5257 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5258 WepKeyRid wkr;
c0380693 5259 int rc;
1da177e4 5260
6510b891
SG		 5261 if (WARN_ON(keylen == 0))
5262 return -1;
1da177e4 5263
c0380693
DW		 5264 memset(&wkr, 0, sizeof(wkr));
5265 wkr.len = cpu_to_le16(sizeof(wkr));
5266 wkr.kindex = cpu_to_le16(index);
5267 wkr.klen = cpu_to_le16(keylen);
5268 memcpy(wkr.key, key, keylen);
5269 memcpy(wkr.mac, macaddr, ETH_ALEN);
5270
f89b2321 5271 if (perm) disable_MAC(ai, lock);
c0380693 5272 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5273 if (perm) enable_MAC(ai, lock);
c0380693
DW		 5274 return rc;
5275}
5276
5277static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5278{
5279 WepKeyRid wkr;
5280 int rc;
5281
5282 memset(&wkr, 0, sizeof(wkr));
5283 wkr.len = cpu_to_le16(sizeof(wkr));
5284 wkr.kindex = cpu_to_le16(0xffff);
5285 wkr.mac[0] = (char)index;
5286
5287 if (perm) {
5288 ai->defindex = (char)index;
5289 disable_MAC(ai, lock);
5290 }
5291
5292 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5293
5294 if (perm)
5295 enable_MAC(ai, lock);
5296 return rc;
1da177e4
LT		 5297}
5298
5299static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5300 struct proc_data *data;
5301 struct proc_dir_entry *dp = PDE(inode);
5302 struct net_device *dev = dp->data;
faf3994a 5303 struct airo_info *ai = dev->ml_priv;
c0380693 5304 int i, rc;
1da177e4
LT		 5305 char key[16];
5306 u16 index = 0;
5307 int j = 0;
5308
5309 memset(key, 0, sizeof(key));
5310
57674308 5311 data = file->private_data;
1da177e4
LT		 5312 if ( !data->writelen ) return;
5313
5314 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5315 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5316 index = data->wbuffer[0] - '0';
5317 if (data->wbuffer[1] == '\n') {
c0380693
DW		 5318 rc = set_wep_tx_idx(ai, index, 1, 1);
5319 if (rc < 0) {
5320 airo_print_err(ai->dev->name, "failed to set "
5321 "WEP transmit index to %d: %d.",
5322 index, rc);
5323 }
1da177e4
LT		 5324 return;
5325 }
5326 j = 2;
5327 } else {
934d8bf1 5328 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5329 return;
5330 }
5331
5332 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5333 switch(i%3) {
5334 case 0:
26355387 5335 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
1da177e4
LT		 5336 break;
5337 case 1:
26355387 5338 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
1da177e4
LT		 5339 break;
5340 }
5341 }
c0380693
DW		 5342
5343 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5344 if (rc < 0) {
5345 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5346 "%d: %d.", index, rc);
5347 }
1da177e4
LT		 5348}
5349
4293ea33
AV		 5350static int proc_wepkey_open( struct inode *inode, struct file *file )
5351{
1da177e4
LT		 5352 struct proc_data *data;
5353 struct proc_dir_entry *dp = PDE(inode);
5354 struct net_device *dev = dp->data;
faf3994a 5355 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5356 char *ptr;
5357 WepKeyRid wkr;
4293ea33 5358 __le16 lastindex;
1da177e4
LT		 5359 int j=0;
5360 int rc;
5361
b69a3aa8 5362 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5363 return -ENOMEM;
1da177e4 5364 memset(&wkr, 0, sizeof(wkr));
57674308 5365 data = file->private_data;
b69a3aa8 5366 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5367 kfree (file->private_data);
5368 return -ENOMEM;
5369 }
1da177e4
LT		 5370 data->writelen = 0;
5371 data->maxwritelen = 80;
b69a3aa8 5372 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5373 kfree (data->rbuffer);
5374 kfree (file->private_data);
5375 return -ENOMEM;
5376 }
1da177e4
LT		 5377 data->on_close = proc_wepkey_on_close;
5378
5379 ptr = data->rbuffer;
5380 strcpy(ptr, "No wep keys\n");
5381 rc = readWepKeyRid(ai, &wkr, 1, 1);
5382 if (rc == SUCCESS) do {
5383 lastindex = wkr.kindex;
4293ea33 5384 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5385 j += sprintf(ptr+j, "Tx key = %d\n",
5386 (int)wkr.mac[0]);
5387 } else {
5388 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5389 le16_to_cpu(wkr.kindex),
5390 le16_to_cpu(wkr.klen));
1da177e4
LT		 5391 }
5392 readWepKeyRid(ai, &wkr, 0, 1);
5393 } while((lastindex != wkr.kindex) && (j < 180-30));
5394
5395 data->readlen = strlen( data->rbuffer );
5396 return 0;
5397}
5398
0dd2212f
AV		 5399static int proc_SSID_open(struct inode *inode, struct file *file)
5400{
1da177e4
LT		 5401 struct proc_data *data;
5402 struct proc_dir_entry *dp = PDE(inode);
5403 struct net_device *dev = dp->data;
faf3994a 5404 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5405 int i;
5406 char *ptr;
5407 SsidRid SSID_rid;
5408
b69a3aa8 5409 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5410 return -ENOMEM;
57674308 5411 data = file->private_data;
1da177e4
LT		 5412 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5413 kfree (file->private_data);
5414 return -ENOMEM;
5415 }
5416 data->writelen = 0;
5417 data->maxwritelen = 33*3;
0dd2212f
AV		 5418 /* allocate maxwritelen + 1; we'll want a sentinel */
5419 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5420 kfree (data->rbuffer);
5421 kfree (file->private_data);
5422 return -ENOMEM;
5423 }
1da177e4
LT		 5424 data->on_close = proc_SSID_on_close;
5425
5426 readSsidRid(ai, &SSID_rid);
5427 ptr = data->rbuffer;
0dd2212f 5428 for (i = 0; i < 3; i++) {
1da177e4 5429 int j;
0dd2212f
AV		 5430 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5431 if (!len)
5432 break;
5433 if (len > 32)
5434 len = 32;
5435 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5436 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5437 *ptr++ = '\n';
5438 }
5439 *ptr = '\0';
5440 data->readlen = strlen( data->rbuffer );
5441 return 0;
5442}
5443
5444static int proc_APList_open( struct inode *inode, struct file *file ) {
5445 struct proc_data *data;
5446 struct proc_dir_entry *dp = PDE(inode);
5447 struct net_device *dev = dp->data;
faf3994a 5448 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5449 int i;
5450 char *ptr;
5451 APListRid APList_rid;
5452
b69a3aa8 5453 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5454 return -ENOMEM;
57674308 5455 data = file->private_data;
1da177e4
LT		 5456 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5457 kfree (file->private_data);
5458 return -ENOMEM;
5459 }
5460 data->writelen = 0;
5461 data->maxwritelen = 4*6*3;
b69a3aa8 5462 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5463 kfree (data->rbuffer);
5464 kfree (file->private_data);
5465 return -ENOMEM;
5466 }
1da177e4
LT		 5467 data->on_close = proc_APList_on_close;
5468
5469 readAPListRid(ai, &APList_rid);
5470 ptr = data->rbuffer;
5471 for( i = 0; i < 4; i++ ) {
5472// We end when we find a zero MAC
5473 if ( !*(int*)APList_rid.ap[i] &&
5474 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5475 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT		 5476 }
5477 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5478
5479 *ptr = '\0';
5480 data->readlen = strlen( data->rbuffer );
5481 return 0;
5482}
5483
5484static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5485 struct proc_data *data;
5486 struct proc_dir_entry *dp = PDE(inode);
5487 struct net_device *dev = dp->data;
faf3994a 5488 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5489 char *ptr;
5490 BSSListRid BSSList_rid;
5491 int rc;
5492 /* If doLoseSync is not 1, we won't do a Lose Sync */
5493 int doLoseSync = -1;
5494
b69a3aa8 5495 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5496 return -ENOMEM;
57674308 5497 data = file->private_data;
1da177e4
LT		 5498 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5499 kfree (file->private_data);
5500 return -ENOMEM;
5501 }
5502 data->writelen = 0;
5503 data->maxwritelen = 0;
5504 data->wbuffer = NULL;
5505 data->on_close = NULL;
5506
5507 if (file->f_mode & FMODE_WRITE) {
5508 if (!(file->f_mode & FMODE_READ)) {
5509 Cmd cmd;
5510 Resp rsp;
5511
5512 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5513 memset(&cmd, 0, sizeof(cmd));
5514 cmd.cmd=CMD_LISTBSS;
5515 if (down_interruptible(&ai->sem))
5516 return -ERESTARTSYS;
5517 issuecommand(ai, &cmd, &rsp);
5518 up(&ai->sem);
5519 data->readlen = 0;
5520 return 0;
5521 }
5522 doLoseSync = 1;
5523 }
5524 ptr = data->rbuffer;
5525 /* There is a race condition here if there are concurrent opens.
5526 Since it is a rare condition, we'll just live with it, otherwise
5527 we have to add a spin lock... */
5528 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5529 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB		 5530 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5531 BSSList_rid.bssid,
1da177e4
LT		 5532 (int)BSSList_rid.ssidLen,
5533 BSSList_rid.ssid,
17e70491 5534 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5535 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5536 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5537 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5538 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5539 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5540 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5541 rc = readBSSListRid(ai, 0, &BSSList_rid);
5542 }
5543 *ptr = '\0';
5544 data->readlen = strlen( data->rbuffer );
5545 return 0;
5546}
5547
5548static int proc_close( struct inode *inode, struct file *file )
5549{
b4558ea9
JJ		 5550 struct proc_data *data = file->private_data;
5551
5552 if (data->on_close != NULL)
5553 data->on_close(inode, file);
5554 kfree(data->rbuffer);
5555 kfree(data->wbuffer);
5556 kfree(data);
1da177e4
LT		 5557 return 0;
5558}
5559
1da177e4
LT		 5560/* Since the card doesn't automatically switch to the right WEP mode,
5561 we will make it do it. If the card isn't associated, every secs we
5562 will switch WEP modes to see if that will help. If the card is
5563 associated we will check every minute to see if anything has
5564 changed. */
5565static void timer_func( struct net_device *dev ) {
faf3994a 5566 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 5567
5568/* We don't have a link so try changing the authtype */
5569 readConfigRid(apriv, 0);
5570 disable_MAC(apriv, 0);
5571 switch(apriv->config.authType) {
5572 case AUTH_ENCRYPT:
5573/* So drop to OPEN */
5574 apriv->config.authType = AUTH_OPEN;
5575 break;
5576 case AUTH_SHAREDKEY:
5577 if (apriv->keyindex < auto_wep) {
c0380693 5578 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT		 5579 apriv->config.authType = AUTH_SHAREDKEY;
5580 apriv->keyindex++;
5581 } else {
5582 /* Drop to ENCRYPT */
5583 apriv->keyindex = 0;
c0380693 5584 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT		 5585 apriv->config.authType = AUTH_ENCRYPT;
5586 }
5587 break;
5588 default: /* We'll escalate to SHAREDKEY */
5589 apriv->config.authType = AUTH_SHAREDKEY;
5590 }
5591 set_bit (FLAG_COMMIT, &apriv->flags);
5592 writeConfigRid(apriv, 0);
175ec1a1 5593 enable_MAC(apriv, 0);
1da177e4
LT		 5594 up(&apriv->sem);
5595
5596/* Schedule check to see if the change worked */
3c304956 5597 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5598 apriv->expires = RUN_AT(HZ*3);
5599}
5600
1da177e4
LT		 5601#ifdef CONFIG_PCI
5602static int __devinit airo_pci_probe(struct pci_dev *pdev,
5603 const struct pci_device_id *pent)
5604{
5605 struct net_device *dev;
5606
5607 if (pci_enable_device(pdev))
5608 return -ENODEV;
5609 pci_set_master(pdev);
5610
5611 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5612 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5613 else
5614 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5615 if (!dev) {
5616 pci_disable_device(pdev);
1da177e4 5617 return -ENODEV;
777ec5e9 5618 }
1da177e4
LT		 5619
5620 pci_set_drvdata(pdev, dev);
5621 return 0;
5622}
5623
5624static void __devexit airo_pci_remove(struct pci_dev *pdev)
5625{
af5b5c9a
MS		 5626 struct net_device *dev = pci_get_drvdata(pdev);
5627
5628 airo_print_info(dev->name, "Unregistering...");
5629 stop_airo_card(dev, 1);
777ec5e9
MS		 5630 pci_disable_device(pdev);
5631 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5632}
5633
05adc3b7 5634static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5635{
5636 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5637 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5638 Cmd cmd;
5639 Resp rsp;
5640
e292c737
PM		 5641 if (!ai->APList)
5642 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5643 if (!ai->APList)
1da177e4 5644 return -ENOMEM;
e292c737
PM		 5645 if (!ai->SSID)
5646 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5647 if (!ai->SSID)
1da177e4
LT		 5648 return -ENOMEM;
5649 readAPListRid(ai, ai->APList);
5650 readSsidRid(ai, ai->SSID);
5651 memset(&cmd, 0, sizeof(cmd));
5652 /* the lock will be released at the end of the resume callback */
5653 if (down_interruptible(&ai->sem))
5654 return -EAGAIN;
5655 disable_MAC(ai, 0);
5656 netif_device_detach(dev);
5657 ai->power = state;
e292c737 5658 cmd.cmd = HOSTSLEEP;
1da177e4
LT		 5659 issuecommand(ai, &cmd, &rsp);
5660
1cc68ae0 5661 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5662 pci_save_state(pdev);
40b93ad6
MC		 5663 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5664 return 0;
1da177e4
LT		 5665}
5666
5667static int airo_pci_resume(struct pci_dev *pdev)
5668{
5669 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5670 struct airo_info *ai = dev->ml_priv;
53232803 5671 pci_power_t prev_state = pdev->current_state;
1da177e4 5672
53232803 5673 pci_set_power_state(pdev, PCI_D0);
1da177e4 5674 pci_restore_state(pdev);
53232803 5675 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5676
53232803 5677 if (prev_state != PCI_D1) {
1da177e4
LT		 5678 reset_card(dev, 0);
5679 mpi_init_descriptors(ai);
5680 setup_card(ai, dev->dev_addr, 0);
5681 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5682 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5683 } else {
5684 OUT4500(ai, EVACK, EV_AWAKEN);
5685 OUT4500(ai, EVACK, EV_AWAKEN);
5686 msleep(100);
5687 }
5688
e292c737 5689 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT		 5690 disable_MAC(ai, 0);
5691 msleep(200);
5692 if (ai->SSID) {
5693 writeSsidRid(ai, ai->SSID, 0);
5694 kfree(ai->SSID);
5695 ai->SSID = NULL;
5696 }
5697 if (ai->APList) {
5698 writeAPListRid(ai, ai->APList, 0);
5699 kfree(ai->APList);
5700 ai->APList = NULL;
5701 }
5702 writeConfigRid(ai, 0);
175ec1a1 5703 enable_MAC(ai, 0);
1cc68ae0 5704 ai->power = PMSG_ON;
1da177e4
LT		 5705 netif_device_attach(dev);
5706 netif_wake_queue(dev);
5707 enable_interrupts(ai);
5708 up(&ai->sem);
5709 return 0;
5710}
5711#endif
5712
5713static int __init airo_init_module( void )
5714{
de897881 5715 int i;
1da177e4 5716
928b4d8c 5717 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5718 S_IFDIR | airo_perm,
928b4d8c 5719 NULL);
de897881
JG		 5720
5721 if (airo_entry) {
5722 airo_entry->uid = proc_uid;
5723 airo_entry->gid = proc_gid;
5724 }
1da177e4 5725
e292c737 5726 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW		 5727 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5728 "io=0x%x", irq[i], io[i] );
1da177e4 5729 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5730 /* do nothing */ ;
1da177e4
LT		 5731 }
5732
5733#ifdef CONFIG_PCI
934d8bf1 5734 airo_print_info("", "Probing for PCI adapters");
de897881 5735 i = pci_register_driver(&airo_driver);
934d8bf1 5736 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5737
5738 if (i) {
928b4d8c 5739 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5740 return i;
5741 }
1da177e4
LT		 5742#endif
5743
5744 /* Always exit with success, as we are a library module
5745 * as well as a driver module
5746 */
5747 return 0;
5748}
5749
5750static void __exit airo_cleanup_module( void )
5751{
af5b5c9a
MS		 5752 struct airo_info *ai;
5753 while(!list_empty(&airo_devices)) {
5754 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5755 airo_print_info(ai->dev->name, "Unregistering...");
5756 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5757 }
5758#ifdef CONFIG_PCI
5759 pci_unregister_driver(&airo_driver);
5760#endif
928b4d8c 5761 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5762}
5763
1da177e4
LT		 5764/*
5765 * Initial Wireless Extension code for Aironet driver by :
5766 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5767 * Conversion to new driver API by :
5768 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5769 * Javier also did a good amount of work here, adding some new extensions
5770 * and fixing my code. Let's just say that without him this code just
5771 * would not work at all... - Jean II
5772 */
5773
41480af2
DW		 5774static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5775{
e292c737 5776 if (!rssi_rid)
41480af2
DW		 5777 return 0;
5778
5779 return (0x100 - rssi_rid[rssi].rssidBm);
5780}
5781
5782static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5783{
5784 int i;
5785
e292c737 5786 if (!rssi_rid)
41480af2
DW		 5787 return 0;
5788
e292c737 5789 for (i = 0; i < 256; i++)
41480af2
DW		 5790 if (rssi_rid[i].rssidBm == dbm)
5791 return rssi_rid[i].rssipct;
5792
5793 return 0;
5794}
5795
5796
1da177e4
LT		 5797static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5798{
5799 int quality = 0;
329e2c00 5800 u16 sq;
1da177e4 5801
329e2c00 5802 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5803 return 0;
5804
5805 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5806 return 0;
5807
329e2c00 5808 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5809 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5810 if (sq > 0x20)
56d81bd3 5811 quality = 0;
1da177e4 5812 else
329e2c00 5813 quality = 0x20 - sq;
56d81bd3 5814 else
329e2c00 5815 if (sq > 0xb0)
56d81bd3 5816 quality = 0;
329e2c00 5817 else if (sq < 0x10)
56d81bd3
AV		 5818 quality = 0xa0;
5819 else
329e2c00 5820 quality = 0xb0 - sq;
1da177e4
LT		 5821 return quality;
5822}
5823
5824#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5825#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5826
5827/*------------------------------------------------------------------*/
5828/*
5829 * Wireless Handler : get protocol name
5830 */
5831static int airo_get_name(struct net_device *dev,
5832 struct iw_request_info *info,
5833 char *cwrq,
5834 char *extra)
5835{
5836 strcpy(cwrq, "IEEE 802.11-DS");
5837 return 0;
5838}
5839
5840/*------------------------------------------------------------------*/
5841/*
5842 * Wireless Handler : set frequency
5843 */
5844static int airo_set_freq(struct net_device *dev,
5845 struct iw_request_info *info,
5846 struct iw_freq *fwrq,
5847 char *extra)
5848{
faf3994a 5849 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5850 int rc = -EINPROGRESS; /* Call commit handler */
5851
5852 /* If setting by frequency, convert to a channel */
9ee677c2 5853 if(fwrq->e == 1) {
1da177e4 5854 int f = fwrq->m / 100000;
9ee677c2 5855
1da177e4
LT		 5856 /* Hack to fall through... */
5857 fwrq->e = 0;
9ee677c2 5858 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT		 5859 }
5860 /* Setting by channel number */
5861 if((fwrq->m > 1000) || (fwrq->e > 0))
5862 rc = -EOPNOTSUPP;
5863 else {
5864 int channel = fwrq->m;
5865 /* We should do a better check than that,
5866 * based on the card capability !!! */
2610c733 5867 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5868 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5869 fwrq->m);
1da177e4
LT		 5870 rc = -EINVAL;
5871 } else {
5872 readConfigRid(local, 1);
5873 /* Yes ! We can set it !!! */
3eb9b41f 5874 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5875 set_bit (FLAG_COMMIT, &local->flags);
5876 }
5877 }
5878 return rc;
5879}
5880
5881/*------------------------------------------------------------------*/
5882/*
5883 * Wireless Handler : get frequency
5884 */
5885static int airo_get_freq(struct net_device *dev,
5886 struct iw_request_info *info,
5887 struct iw_freq *fwrq,
5888 char *extra)
5889{
faf3994a 5890 struct airo_info *local = dev->ml_priv;
1da177e4 5891 StatusRid status_rid; /* Card status info */
2610c733 5892 int ch;
1da177e4
LT		 5893
5894 readConfigRid(local, 1);
3eb9b41f
AV		 5895 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5896 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5897 else
5898 readStatusRid(local, &status_rid, 1);
5899
329e2c00 5900 ch = le16_to_cpu(status_rid.channel);
2610c733 5901 if((ch > 0) && (ch < 15)) {
9ee677c2 5902 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5903 fwrq->e = 1;
2610c733
JA		 5904 } else {
5905 fwrq->m = ch;
5906 fwrq->e = 0;
1da177e4 5907 }
1da177e4
LT		 5908
5909 return 0;
5910}
5911
5912/*------------------------------------------------------------------*/
5913/*
5914 * Wireless Handler : set ESSID
5915 */
5916static int airo_set_essid(struct net_device *dev,
5917 struct iw_request_info *info,
5918 struct iw_point *dwrq,
5919 char *extra)
5920{
faf3994a 5921 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5922 SsidRid SSID_rid; /* SSIDs */
5923
5924 /* Reload the list of current SSID */
5925 readSsidRid(local, &SSID_rid);
5926
5927 /* Check if we asked for `any' */
3d0ccd02 5928 if (dwrq->flags == 0) {
1da177e4
LT		 5929 /* Just send an empty SSID list */
5930 memset(&SSID_rid, 0, sizeof(SSID_rid));
5931 } else {
3d0ccd02 5932 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1da177e4
LT		 5933
5934 /* Check the size of the string */
3d0ccd02 5935 if (dwrq->length > IW_ESSID_MAX_SIZE)
1da177e4 5936 return -E2BIG ;
3d0ccd02 5937
1da177e4 5938 /* Check if index is valid */
3d0ccd02 5939 if (index >= ARRAY_SIZE(SSID_rid.ssids))
1da177e4 5940 return -EINVAL;
1da177e4
LT		 5941
5942 /* Set the SSID */
5943 memset(SSID_rid.ssids[index].ssid, 0,
5944 sizeof(SSID_rid.ssids[index].ssid));
5945 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5946 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5947 }
0dd2212f 5948 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5949 /* Write it to the card */
5950 disable_MAC(local, 1);
5951 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5952 enable_MAC(local, 1);
1da177e4
LT		 5953
5954 return 0;
5955}
5956
5957/*------------------------------------------------------------------*/
5958/*
5959 * Wireless Handler : get ESSID
5960 */
5961static int airo_get_essid(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct iw_point *dwrq,
5964 char *extra)
5965{
faf3994a 5966 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5967 StatusRid status_rid; /* Card status info */
5968
5969 readStatusRid(local, &status_rid, 1);
5970
5971 /* Note : if dwrq->flags != 0, we should
5972 * get the relevant SSID from the SSID list... */
5973
5974 /* Get the current SSID */
329e2c00 5975 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5976 /* If none, we may want to get the one that was set */
5977
5978 /* Push it out ! */
329e2c00 5979 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5980 dwrq->flags = 1; /* active */
5981
5982 return 0;
5983}
5984
5985/*------------------------------------------------------------------*/
5986/*
5987 * Wireless Handler : set AP address
5988 */
5989static int airo_set_wap(struct net_device *dev,
5990 struct iw_request_info *info,
5991 struct sockaddr *awrq,
5992 char *extra)
5993{
faf3994a 5994 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5995 Cmd cmd;
5996 Resp rsp;
5997 APListRid APList_rid;
4be757dd
DW		 5998 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5999 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 6000
6001 if (awrq->sa_family != ARPHRD_ETHER)
6002 return -EINVAL;
4be757dd
DW		 6003 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6004 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 6005 memset(&cmd, 0, sizeof(cmd));
6006 cmd.cmd=CMD_LOSE_SYNC;
6007 if (down_interruptible(&local->sem))
6008 return -ERESTARTSYS;
6009 issuecommand(local, &cmd, &rsp);
6010 up(&local->sem);
6011 } else {
6012 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 6013 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 6014 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6015 disable_MAC(local, 1);
6016 writeAPListRid(local, &APList_rid, 1);
175ec1a1 6017 enable_MAC(local, 1);
1da177e4
LT		 6018 }
6019 return 0;
6020}
6021
6022/*------------------------------------------------------------------*/
6023/*
6024 * Wireless Handler : get AP address
6025 */
6026static int airo_get_wap(struct net_device *dev,
6027 struct iw_request_info *info,
6028 struct sockaddr *awrq,
6029 char *extra)
6030{
faf3994a 6031 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6032 StatusRid status_rid; /* Card status info */
6033
6034 readStatusRid(local, &status_rid, 1);
6035
6036 /* Tentative. This seems to work, wow, I'm lucky !!! */
6037 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6038 awrq->sa_family = ARPHRD_ETHER;
6039
6040 return 0;
6041}
6042
6043/*------------------------------------------------------------------*/
6044/*
6045 * Wireless Handler : set Nickname
6046 */
6047static int airo_set_nick(struct net_device *dev,
6048 struct iw_request_info *info,
6049 struct iw_point *dwrq,
6050 char *extra)
6051{
faf3994a 6052 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6053
6054 /* Check the size of the string */
7f8544cc 6055 if(dwrq->length > 16) {
1da177e4
LT		 6056 return -E2BIG;
6057 }
6058 readConfigRid(local, 1);
6059 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6060 memcpy(local->config.nodeName, extra, dwrq->length);
6061 set_bit (FLAG_COMMIT, &local->flags);
6062
6063 return -EINPROGRESS; /* Call commit handler */
6064}
6065
6066/*------------------------------------------------------------------*/
6067/*
6068 * Wireless Handler : get Nickname
6069 */
6070static int airo_get_nick(struct net_device *dev,
6071 struct iw_request_info *info,
6072 struct iw_point *dwrq,
6073 char *extra)
6074{
faf3994a 6075 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6076
6077 readConfigRid(local, 1);
6078 strncpy(extra, local->config.nodeName, 16);
6079 extra[16] = '\0';
7f8544cc 6080 dwrq->length = strlen(extra);
1da177e4
LT		 6081
6082 return 0;
6083}
6084
6085/*------------------------------------------------------------------*/
6086/*
6087 * Wireless Handler : set Bit-Rate
6088 */
6089static int airo_set_rate(struct net_device *dev,
6090 struct iw_request_info *info,
6091 struct iw_param *vwrq,
6092 char *extra)
6093{
faf3994a 6094 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6095 CapabilityRid cap_rid; /* Card capability info */
6096 u8 brate = 0;
6097 int i;
6098
6099 /* First : get a valid bit rate value */
6100 readCapabilityRid(local, &cap_rid, 1);
6101
6102 /* Which type of value ? */
6103 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6104 /* Setting by rate index */
6105 /* Find value in the magic rate table */
6106 brate = cap_rid.supportedRates[vwrq->value];
6107 } else {
6108 /* Setting by frequency value */
6109 u8 normvalue = (u8) (vwrq->value/500000);
6110
6111 /* Check if rate is valid */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(normvalue == cap_rid.supportedRates[i]) {
6114 brate = normvalue;
6115 break;
6116 }
6117 }
6118 }
6119 /* -1 designed the max rate (mostly auto mode) */
6120 if(vwrq->value == -1) {
6121 /* Get the highest available rate */
6122 for(i = 0 ; i < 8 ; i++) {
6123 if(cap_rid.supportedRates[i] == 0)
6124 break;
6125 }
6126 if(i != 0)
6127 brate = cap_rid.supportedRates[i - 1];
6128 }
6129 /* Check that it is valid */
6130 if(brate == 0) {
6131 return -EINVAL;
6132 }
6133
6134 readConfigRid(local, 1);
6135 /* Now, check if we want a fixed or auto value */
6136 if(vwrq->fixed == 0) {
6137 /* Fill all the rates up to this max rate */
6138 memset(local->config.rates, 0, 8);
6139 for(i = 0 ; i < 8 ; i++) {
6140 local->config.rates[i] = cap_rid.supportedRates[i];
6141 if(local->config.rates[i] == brate)
6142 break;
6143 }
6144 } else {
6145 /* Fixed mode */
6146 /* One rate, fixed */
6147 memset(local->config.rates, 0, 8);
6148 local->config.rates[0] = brate;
6149 }
6150 set_bit (FLAG_COMMIT, &local->flags);
6151
6152 return -EINPROGRESS; /* Call commit handler */
6153}
6154
6155/*------------------------------------------------------------------*/
6156/*
6157 * Wireless Handler : get Bit-Rate
6158 */
6159static int airo_get_rate(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6162 char *extra)
6163{
faf3994a 6164 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6165 StatusRid status_rid; /* Card status info */
6166
6167 readStatusRid(local, &status_rid, 1);
6168
329e2c00 6169 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6170 /* If more than one rate, set auto */
6171 readConfigRid(local, 1);
6172 vwrq->fixed = (local->config.rates[1] == 0);
6173
6174 return 0;
6175}
6176
6177/*------------------------------------------------------------------*/
6178/*
6179 * Wireless Handler : set RTS threshold
6180 */
6181static int airo_set_rts(struct net_device *dev,
6182 struct iw_request_info *info,
6183 struct iw_param *vwrq,
6184 char *extra)
6185{
faf3994a 6186 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6187 int rthr = vwrq->value;
6188
6189 if(vwrq->disabled)
15db2763
DW		 6190 rthr = AIRO_DEF_MTU;
6191 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6192 return -EINVAL;
6193 }
6194 readConfigRid(local, 1);
3eb9b41f 6195 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6196 set_bit (FLAG_COMMIT, &local->flags);
6197
6198 return -EINPROGRESS; /* Call commit handler */
6199}
6200
6201/*------------------------------------------------------------------*/
6202/*
6203 * Wireless Handler : get RTS threshold
6204 */
6205static int airo_get_rts(struct net_device *dev,
6206 struct iw_request_info *info,
6207 struct iw_param *vwrq,
6208 char *extra)
6209{
faf3994a 6210 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6211
6212 readConfigRid(local, 1);
3eb9b41f 6213 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6214 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6215 vwrq->fixed = 1;
6216
6217 return 0;
6218}
6219
6220/*------------------------------------------------------------------*/
6221/*
6222 * Wireless Handler : set Fragmentation threshold
6223 */
6224static int airo_set_frag(struct net_device *dev,
6225 struct iw_request_info *info,
6226 struct iw_param *vwrq,
6227 char *extra)
6228{
faf3994a 6229 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6230 int fthr = vwrq->value;
6231
6232 if(vwrq->disabled)
15db2763
DW		 6233 fthr = AIRO_DEF_MTU;
6234 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6235 return -EINVAL;
6236 }
6237 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6238 readConfigRid(local, 1);
3eb9b41f 6239 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6240 set_bit (FLAG_COMMIT, &local->flags);
6241
6242 return -EINPROGRESS; /* Call commit handler */
6243}
6244
6245/*------------------------------------------------------------------*/
6246/*
6247 * Wireless Handler : get Fragmentation threshold
6248 */
6249static int airo_get_frag(struct net_device *dev,
6250 struct iw_request_info *info,
6251 struct iw_param *vwrq,
6252 char *extra)
6253{
faf3994a 6254 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6255
6256 readConfigRid(local, 1);
3eb9b41f 6257 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6258 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6259 vwrq->fixed = 1;
6260
6261 return 0;
6262}
6263
6264/*------------------------------------------------------------------*/
6265/*
6266 * Wireless Handler : set Mode of Operation
6267 */
6268static int airo_set_mode(struct net_device *dev,
6269 struct iw_request_info *info,
6270 __u32 *uwrq,
6271 char *extra)
6272{
faf3994a 6273 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6274 int reset = 0;
6275
6276 readConfigRid(local, 1);
3eb9b41f 6277 if (sniffing_mode(local))
1da177e4
LT		 6278 reset = 1;
6279
6280 switch(*uwrq) {
6281 case IW_MODE_ADHOC:
3eb9b41f 6282 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6283 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6284 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6287 break;
6288 case IW_MODE_INFRA:
3eb9b41f 6289 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6290 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6291 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6294 break;
6295 case IW_MODE_MASTER:
3eb9b41f 6296 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6297 local->config.opmode |= MODE_AP;
3eb9b41f 6298 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6299 local->config.scanMode = SCANMODE_ACTIVE;
6300 clear_bit (FLAG_802_11, &local->flags);
6301 break;
6302 case IW_MODE_REPEAT:
3eb9b41f 6303 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6304 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6305 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6306 local->config.scanMode = SCANMODE_ACTIVE;
6307 clear_bit (FLAG_802_11, &local->flags);
6308 break;
6309 case IW_MODE_MONITOR:
3eb9b41f 6310 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6311 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6312 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6313 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6314 local->config.scanMode = SCANMODE_PASSIVE;
6315 set_bit (FLAG_802_11, &local->flags);
6316 break;
6317 default:
6318 return -EINVAL;
6319 }
6320 if (reset)
6321 set_bit (FLAG_RESET, &local->flags);
6322 set_bit (FLAG_COMMIT, &local->flags);
6323
6324 return -EINPROGRESS; /* Call commit handler */
6325}
6326
6327/*------------------------------------------------------------------*/
6328/*
6329 * Wireless Handler : get Mode of Operation
6330 */
6331static int airo_get_mode(struct net_device *dev,
6332 struct iw_request_info *info,
6333 __u32 *uwrq,
6334 char *extra)
6335{
faf3994a 6336 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6337
6338 readConfigRid(local, 1);
6339 /* If not managed, assume it's ad-hoc */
3eb9b41f 6340 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6341 case MODE_STA_ESS:
6342 *uwrq = IW_MODE_INFRA;
6343 break;
6344 case MODE_AP:
6345 *uwrq = IW_MODE_MASTER;
6346 break;
6347 case MODE_AP_RPTR:
6348 *uwrq = IW_MODE_REPEAT;
6349 break;
6350 default:
6351 *uwrq = IW_MODE_ADHOC;
6352 }
6353
6354 return 0;
6355}
6356
138c0c68 6357static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6358{
138c0c68 6359 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV		 6360}
6361
1da177e4
LT		 6362/*------------------------------------------------------------------*/
6363/*
6364 * Wireless Handler : set Encryption Key
6365 */
6366static int airo_set_encode(struct net_device *dev,
6367 struct iw_request_info *info,
6368 struct iw_point *dwrq,
6369 char *extra)
6370{
faf3994a 6371 struct airo_info *local = dev->ml_priv;
c0380693 6372 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6373 __le16 currentAuthType = local->config.authType;
c0380693 6374 int rc = 0;
1da177e4 6375
138c0c68 6376 if (!local->wep_capable)
1da177e4 6377 return -EOPNOTSUPP;
138c0c68 6378
1da177e4
LT		 6379 readConfigRid(local, 1);
6380
6381 /* Basic checking: do we have a key to set ?
6382 * Note : with the new API, it's impossible to get a NULL pointer.
6383 * Therefore, we need to check a key size == 0 instead.
6384 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6385 * when no key is present (only change flags), but older versions
6386 * don't do it. - Jean II */
6387 if (dwrq->length > 0) {
6388 wep_key_t key;
6389 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6390 int current_index;
138c0c68 6391
1da177e4
LT		 6392 /* Check the size of the key */
6393 if (dwrq->length > MAX_KEY_SIZE) {
6394 return -EINVAL;
6395 }
138c0c68 6396
c0380693
DW		 6397 current_index = get_wep_tx_idx(local);
6398 if (current_index < 0)
6399 current_index = 0;
6400
1da177e4 6401 /* Check the index (none -> use current) */
138c0c68 6402 if (!valid_index(local, index))
1da177e4 6403 index = current_index;
138c0c68 6404
1da177e4
LT		 6405 /* Set the length */
6406 if (dwrq->length > MIN_KEY_SIZE)
6407 key.len = MAX_KEY_SIZE;
6408 else
f09c2563 6409 key.len = MIN_KEY_SIZE;
1da177e4
LT		 6410 /* Check if the key is not marked as invalid */
6411 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6412 /* Cleanup */
6413 memset(key.key, 0, MAX_KEY_SIZE);
6414 /* Copy the key in the driver */
6415 memcpy(key.key, extra, dwrq->length);
6416 /* Send the key to the card */
c0380693
DW		 6417 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6418 if (rc < 0) {
6419 airo_print_err(local->dev->name, "failed to set"
6420 " WEP key at index %d: %d.",
6421 index, rc);
6422 return rc;
6423 }
1da177e4
LT		 6424 }
6425 /* WE specify that if a valid key is set, encryption
6426 * should be enabled (user may turn it off later)
6427 * This is also how "iwconfig ethX key on" works */
6428 if((index == current_index) && (key.len > 0) &&
6429 (local->config.authType == AUTH_OPEN)) {
6430 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6431 }
6432 } else {
6433 /* Do we want to just set the transmit key index ? */
6434 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW		 6435 if (valid_index(local, index)) {
6436 rc = set_wep_tx_idx(local, index, perm, 1);
6437 if (rc < 0) {
6438 airo_print_err(local->dev->name, "failed to set"
6439 " WEP transmit index to %d: %d.",
6440 index, rc);
6441 return rc;
6442 }
6443 } else {
1da177e4 6444 /* Don't complain if only change the mode */
93a3b607 6445 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6446 return -EINVAL;
138c0c68 6447 }
1da177e4
LT		 6448 }
6449 /* Read the flags */
6450 if(dwrq->flags & IW_ENCODE_DISABLED)
6451 local->config.authType = AUTH_OPEN; // disable encryption
6452 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6453 local->config.authType = AUTH_SHAREDKEY; // Only Both
6454 if(dwrq->flags & IW_ENCODE_OPEN)
6455 local->config.authType = AUTH_ENCRYPT; // Only Wep
6456 /* Commit the changes to flags if needed */
f89b2321 6457 if (local->config.authType != currentAuthType)
1da177e4
LT		 6458 set_bit (FLAG_COMMIT, &local->flags);
6459 return -EINPROGRESS; /* Call commit handler */
6460}
6461
6462/*------------------------------------------------------------------*/
6463/*
6464 * Wireless Handler : get Encryption Key
6465 */
6466static int airo_get_encode(struct net_device *dev,
6467 struct iw_request_info *info,
6468 struct iw_point *dwrq,
6469 char *extra)
6470{
faf3994a 6471 struct airo_info *local = dev->ml_priv;
1da177e4 6472 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
267d493b 6473 int wep_key_len;
c0380693 6474 u8 buf[16];
1da177e4 6475
138c0c68 6476 if (!local->wep_capable)
1da177e4 6477 return -EOPNOTSUPP;
138c0c68 6478
1da177e4 6479 readConfigRid(local, 1);
138c0c68 6480
1da177e4
LT		 6481 /* Check encryption mode */
6482 switch(local->config.authType) {
6483 case AUTH_ENCRYPT:
6484 dwrq->flags = IW_ENCODE_OPEN;
6485 break;
6486 case AUTH_SHAREDKEY:
6487 dwrq->flags = IW_ENCODE_RESTRICTED;
6488 break;
6489 default:
6490 case AUTH_OPEN:
6491 dwrq->flags = IW_ENCODE_DISABLED;
6492 break;
6493 }
6494 /* We can't return the key, so set the proper flag and return zero */
6495 dwrq->flags |= IW_ENCODE_NOKEY;
6496 memset(extra, 0, 16);
6497
6498 /* Which key do we want ? -1 -> tx index */
c0380693
DW		 6499 if (!valid_index(local, index)) {
6500 index = get_wep_tx_idx(local);
6501 if (index < 0)
6502 index = 0;
6503 }
1da177e4 6504 dwrq->flags |= index + 1;
c0380693 6505
1da177e4 6506 /* Copy the key to the user buffer */
267d493b
JL		 6507 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6508 if (wep_key_len < 0) {
aedec922 6509 dwrq->length = 0;
267d493b
JL		 6510 } else {
6511 dwrq->length = wep_key_len;
6512 memcpy(extra, buf, dwrq->length);
6513 }
c0380693 6514
1da177e4
LT		 6515 return 0;
6516}
6517
4be757dd
DW		 6518/*------------------------------------------------------------------*/
6519/*
6520 * Wireless Handler : set extended Encryption parameters
6521 */
6522static int airo_set_encodeext(struct net_device *dev,
6523 struct iw_request_info *info,
6524 union iwreq_data *wrqu,
6525 char *extra)
6526{
faf3994a 6527 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6528 struct iw_point *encoding = &wrqu->encoding;
6529 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6530 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6531 __le16 currentAuthType = local->config.authType;
c0380693 6532 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW		 6533 wep_key_t key;
6534
138c0c68 6535 if (!local->wep_capable)
4be757dd 6536 return -EOPNOTSUPP;
138c0c68 6537
4be757dd
DW		 6538 readConfigRid(local, 1);
6539
6540 /* Determine and validate the key index */
6541 idx = encoding->flags & IW_ENCODE_INDEX;
6542 if (idx) {
138c0c68 6543 if (!valid_index(local, idx - 1))
4be757dd
DW		 6544 return -EINVAL;
6545 idx--;
c0380693
DW		 6546 } else {
6547 idx = get_wep_tx_idx(local);
6548 if (idx < 0)
6549 idx = 0;
6550 }
4be757dd
DW		 6551
6552 if (encoding->flags & IW_ENCODE_DISABLED)
6553 alg = IW_ENCODE_ALG_NONE;
6554
4be757dd 6555 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6556 /* Only set transmit key index here, actual
6557 * key is set below if needed.
6558 */
c0380693
DW		 6559 rc = set_wep_tx_idx(local, idx, perm, 1);
6560 if (rc < 0) {
6561 airo_print_err(local->dev->name, "failed to set "
6562 "WEP transmit index to %d: %d.",
6563 idx, rc);
6564 return rc;
6565 }
22d8846e
DW		 6566 set_key = ext->key_len > 0 ? 1 : 0;
6567 }
6568
6569 if (set_key) {
4be757dd
DW		 6570 /* Set the requested key first */
6571 memset(key.key, 0, MAX_KEY_SIZE);
6572 switch (alg) {
6573 case IW_ENCODE_ALG_NONE:
6574 key.len = 0;
6575 break;
6576 case IW_ENCODE_ALG_WEP:
6577 if (ext->key_len > MIN_KEY_SIZE) {
6578 key.len = MAX_KEY_SIZE;
6579 } else if (ext->key_len > 0) {
6580 key.len = MIN_KEY_SIZE;
6581 } else {
6582 return -EINVAL;
6583 }
6584 key_len = min (ext->key_len, key.len);
6585 memcpy(key.key, ext->key, key_len);
6586 break;
6587 default:
6588 return -EINVAL;
6589 }
f09c2563
SG		 6590 if (key.len == 0) {
6591 rc = set_wep_tx_idx(local, idx, perm, 1);
6592 if (rc < 0) {
6593 airo_print_err(local->dev->name,
6594 "failed to set WEP transmit index to %d: %d.",
6595 idx, rc);
6596 return rc;
6597 }
6598 } else {
6599 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6600 if (rc < 0) {
6601 airo_print_err(local->dev->name,
6602 "failed to set WEP key at index %d: %d.",
6603 idx, rc);
6604 return rc;
6605 }
c0380693 6606 }
4be757dd
DW		 6607 }
6608
6609 /* Read the flags */
6610 if(encoding->flags & IW_ENCODE_DISABLED)
6611 local->config.authType = AUTH_OPEN; // disable encryption
6612 if(encoding->flags & IW_ENCODE_RESTRICTED)
6613 local->config.authType = AUTH_SHAREDKEY; // Only Both
6614 if(encoding->flags & IW_ENCODE_OPEN)
6615 local->config.authType = AUTH_ENCRYPT; // Only Wep
6616 /* Commit the changes to flags if needed */
6617 if (local->config.authType != currentAuthType)
6618 set_bit (FLAG_COMMIT, &local->flags);
6619
6620 return -EINPROGRESS;
6621}
6622
6623
6624/*------------------------------------------------------------------*/
6625/*
6626 * Wireless Handler : get extended Encryption parameters
6627 */
6628static int airo_get_encodeext(struct net_device *dev,
6629 struct iw_request_info *info,
6630 union iwreq_data *wrqu,
6631 char *extra)
6632{
faf3994a 6633 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6634 struct iw_point *encoding = &wrqu->encoding;
6635 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
267d493b 6636 int idx, max_key_len, wep_key_len;
c0380693 6637 u8 buf[16];
4be757dd 6638
138c0c68 6639 if (!local->wep_capable)
4be757dd 6640 return -EOPNOTSUPP;
138c0c68 6641
4be757dd
DW		 6642 readConfigRid(local, 1);
6643
6644 max_key_len = encoding->length - sizeof(*ext);
6645 if (max_key_len < 0)
6646 return -EINVAL;
6647
6648 idx = encoding->flags & IW_ENCODE_INDEX;
6649 if (idx) {
138c0c68 6650 if (!valid_index(local, idx - 1))
4be757dd
DW		 6651 return -EINVAL;
6652 idx--;
c0380693
DW		 6653 } else {
6654 idx = get_wep_tx_idx(local);
6655 if (idx < 0)
6656 idx = 0;
6657 }
4be757dd
DW		 6658
6659 encoding->flags = idx + 1;
6660 memset(ext, 0, sizeof(*ext));
6661
6662 /* Check encryption mode */
6663 switch(local->config.authType) {
6664 case AUTH_ENCRYPT:
6665 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6666 break;
6667 case AUTH_SHAREDKEY:
6668 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6669 break;
6670 default:
6671 case AUTH_OPEN:
6672 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6673 break;
6674 }
6675 /* We can't return the key, so set the proper flag and return zero */
6676 encoding->flags |= IW_ENCODE_NOKEY;
6677 memset(extra, 0, 16);
6678
6679 /* Copy the key to the user buffer */
267d493b
JL		 6680 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6681 if (wep_key_len < 0) {
aedec922 6682 ext->key_len = 0;
267d493b
JL		 6683 } else {
6684 ext->key_len = wep_key_len;
6685 memcpy(extra, buf, ext->key_len);
6686 }
4be757dd
DW		 6687
6688 return 0;
6689}
6690
6691
6692/*------------------------------------------------------------------*/
6693/*
6694 * Wireless Handler : set extended authentication parameters
6695 */
6696static int airo_set_auth(struct net_device *dev,
6697 struct iw_request_info *info,
6698 union iwreq_data *wrqu, char *extra)
6699{
faf3994a 6700 struct airo_info *local = dev->ml_priv;
4be757dd 6701 struct iw_param *param = &wrqu->param;
3eb9b41f 6702 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6703
6704 switch (param->flags & IW_AUTH_INDEX) {
6705 case IW_AUTH_WPA_VERSION:
6706 case IW_AUTH_CIPHER_PAIRWISE:
6707 case IW_AUTH_CIPHER_GROUP:
6708 case IW_AUTH_KEY_MGMT:
6709 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6710 case IW_AUTH_PRIVACY_INVOKED:
6711 /*
6712 * airo does not use these parameters
6713 */
6714 break;
6715
6716 case IW_AUTH_DROP_UNENCRYPTED:
6717 if (param->value) {
6718 /* Only change auth type if unencrypted */
6719 if (currentAuthType == AUTH_OPEN)
6720 local->config.authType = AUTH_ENCRYPT;
6721 } else {
6722 local->config.authType = AUTH_OPEN;
6723 }
6724
6725 /* Commit the changes to flags if needed */
6726 if (local->config.authType != currentAuthType)
6727 set_bit (FLAG_COMMIT, &local->flags);
6728 break;
6729
6730 case IW_AUTH_80211_AUTH_ALG: {
6731 /* FIXME: What about AUTH_OPEN? This API seems to
6732 * disallow setting our auth to AUTH_OPEN.
6733 */
6734 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6735 local->config.authType = AUTH_SHAREDKEY;
6736 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6737 local->config.authType = AUTH_ENCRYPT;
6738 } else
6739 return -EINVAL;
4be757dd
DW		 6740
6741 /* Commit the changes to flags if needed */
6742 if (local->config.authType != currentAuthType)
6743 set_bit (FLAG_COMMIT, &local->flags);
011f5c5b 6744 break;
4be757dd
DW		 6745 }
6746
6747 case IW_AUTH_WPA_ENABLED:
6748 /* Silently accept disable of WPA */
6749 if (param->value > 0)
6750 return -EOPNOTSUPP;
6751 break;
6752
6753 default:
6754 return -EOPNOTSUPP;
6755 }
6756 return -EINPROGRESS;
6757}
6758
6759
6760/*------------------------------------------------------------------*/
6761/*
6762 * Wireless Handler : get extended authentication parameters
6763 */
6764static int airo_get_auth(struct net_device *dev,
6765 struct iw_request_info *info,
6766 union iwreq_data *wrqu, char *extra)
6767{
faf3994a 6768 struct airo_info *local = dev->ml_priv;
4be757dd 6769 struct iw_param *param = &wrqu->param;
3eb9b41f 6770 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6771
6772 switch (param->flags & IW_AUTH_INDEX) {
6773 case IW_AUTH_DROP_UNENCRYPTED:
6774 switch (currentAuthType) {
6775 case AUTH_SHAREDKEY:
6776 case AUTH_ENCRYPT:
6777 param->value = 1;
6778 break;
6779 default:
6780 param->value = 0;
6781 break;
6782 }
6783 break;
6784
6785 case IW_AUTH_80211_AUTH_ALG:
6786 switch (currentAuthType) {
6787 case AUTH_SHAREDKEY:
6788 param->value = IW_AUTH_ALG_SHARED_KEY;
6789 break;
6790 case AUTH_ENCRYPT:
6791 default:
6792 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6793 break;
6794 }
6795 break;
6796
6797 case IW_AUTH_WPA_ENABLED:
6798 param->value = 0;
6799 break;
6800
6801 default:
6802 return -EOPNOTSUPP;
6803 }
6804 return 0;
6805}
6806
6807
1da177e4
LT		 6808/*------------------------------------------------------------------*/
6809/*
6810 * Wireless Handler : set Tx-Power
6811 */
6812static int airo_set_txpow(struct net_device *dev,
6813 struct iw_request_info *info,
6814 struct iw_param *vwrq,
6815 char *extra)
6816{
faf3994a 6817 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6818 CapabilityRid cap_rid; /* Card capability info */
6819 int i;
6820 int rc = -EINVAL;
3eb9b41f 6821 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6822
6823 readCapabilityRid(local, &cap_rid, 1);
6824
6825 if (vwrq->disabled) {
6826 set_bit (FLAG_RADIO_OFF, &local->flags);
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 return -EINPROGRESS; /* Call commit handler */
6829 }
6830 if (vwrq->flags != IW_TXPOW_MWATT) {
6831 return -EINVAL;
6832 }
6833 clear_bit (FLAG_RADIO_OFF, &local->flags);
3d0ccd02 6834 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
3eb9b41f 6835 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6836 readConfigRid(local, 1);
3eb9b41f 6837 local->config.txPower = v;
1da177e4
LT		 6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6840 break;
6841 }
6842 return rc;
6843}
6844
6845/*------------------------------------------------------------------*/
6846/*
6847 * Wireless Handler : get Tx-Power
6848 */
6849static int airo_get_txpow(struct net_device *dev,
6850 struct iw_request_info *info,
6851 struct iw_param *vwrq,
6852 char *extra)
6853{
faf3994a 6854 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6855
6856 readConfigRid(local, 1);
3eb9b41f 6857 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6858 vwrq->fixed = 1; /* No power control */
6859 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6860 vwrq->flags = IW_TXPOW_MWATT;
6861
6862 return 0;
6863}
6864
6865/*------------------------------------------------------------------*/
6866/*
6867 * Wireless Handler : set Retry limits
6868 */
6869static int airo_set_retry(struct net_device *dev,
6870 struct iw_request_info *info,
6871 struct iw_param *vwrq,
6872 char *extra)
6873{
faf3994a 6874 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6875 int rc = -EINVAL;
6876
6877 if(vwrq->disabled) {
6878 return -EINVAL;
6879 }
6880 readConfigRid(local, 1);
6881 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6882 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6883 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6884 local->config.longRetryLimit = v;
7f8544cc 6885 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6886 local->config.shortRetryLimit = v;
1da177e4
LT		 6887 else {
6888 /* No modifier : set both */
3eb9b41f
AV		 6889 local->config.longRetryLimit = v;
6890 local->config.shortRetryLimit = v;
1da177e4
LT		 6891 }
6892 set_bit (FLAG_COMMIT, &local->flags);
6893 rc = -EINPROGRESS; /* Call commit handler */
6894 }
6895 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6896 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6897 set_bit (FLAG_COMMIT, &local->flags);
6898 rc = -EINPROGRESS; /* Call commit handler */
6899 }
6900 return rc;
6901}
6902
6903/*------------------------------------------------------------------*/
6904/*
6905 * Wireless Handler : get Retry limits
6906 */
6907static int airo_get_retry(struct net_device *dev,
6908 struct iw_request_info *info,
6909 struct iw_param *vwrq,
6910 char *extra)
6911{
faf3994a 6912 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6913
6914 vwrq->disabled = 0; /* Can't be disabled */
6915
6916 readConfigRid(local, 1);
6917 /* Note : by default, display the min retry number */
6918 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6919 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6920 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6921 } else if((vwrq->flags & IW_RETRY_LONG)) {
6922 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6923 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6924 } else {
6925 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6926 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6927 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6928 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6929 }
6930
6931 return 0;
6932}
6933
6934/*------------------------------------------------------------------*/
6935/*
6936 * Wireless Handler : get range info
6937 */
6938static int airo_get_range(struct net_device *dev,
6939 struct iw_request_info *info,
6940 struct iw_point *dwrq,
6941 char *extra)
6942{
faf3994a 6943 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6944 struct iw_range *range = (struct iw_range *) extra;
6945 CapabilityRid cap_rid; /* Card capability info */
6946 int i;
6947 int k;
6948
6949 readCapabilityRid(local, &cap_rid, 1);
6950
6951 dwrq->length = sizeof(struct iw_range);
6952 memset(range, 0, sizeof(*range));
6953 range->min_nwid = 0x0000;
6954 range->max_nwid = 0x0000;
6955 range->num_channels = 14;
6956 /* Should be based on cap_rid.country to give only
6957 * what the current card support */
6958 k = 0;
6959 for(i = 0; i < 14; i++) {
6960 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK		 6961 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6962 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT		 6963 }
6964 range->num_frequency = k;
6965
41480af2
DW		 6966 range->sensitivity = 65535;
6967
1da177e4 6968 /* Hum... Should put the right values there */
41480af2
DW		 6969 if (local->rssi)
6970 range->max_qual.qual = 100; /* % */
6971 else
6972 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6973 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6974 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6975
6976 /* Experimental measurements - boundary 11/5.5 Mb/s */
6977 /* Note : with or without the (local->rssi), results
6978 * are somewhat different. - Jean II */
6979 if (local->rssi) {
ce6623c3
JT		 6980 range->avg_qual.qual = 50; /* % */
6981 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6982 } else {
6983 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6984 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6985 }
ce6623c3 6986 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6987
6988 for(i = 0 ; i < 8 ; i++) {
6989 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6990 if(range->bitrate[i] == 0)
6991 break;
6992 }
6993 range->num_bitrates = i;
6994
6995 /* Set an indication of the max TCP throughput
6996 * in bit/s that we can expect using this interface.
6997 * May be use for QoS stuff... Jean II */
6998 if(i > 2)
6999 range->throughput = 5000 * 1000;
7000 else
7001 range->throughput = 1500 * 1000;
7002
7003 range->min_rts = 0;
15db2763 7004 range->max_rts = AIRO_DEF_MTU;
1da177e4 7005 range->min_frag = 256;
15db2763 7006 range->max_frag = AIRO_DEF_MTU;
1da177e4 7007
56d81bd3 7008 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 7009 // WEP: RC4 40 bits
7010 range->encoding_size[0] = 5;
7011 // RC4 ~128 bits
56d81bd3 7012 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 7013 range->encoding_size[1] = 13;
7014 range->num_encoding_sizes = 2;
7015 } else
7016 range->num_encoding_sizes = 1;
56d81bd3
AV		 7017 range->max_encoding_tokens =
7018 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 7019 } else {
7020 range->num_encoding_sizes = 0;
7021 range->max_encoding_tokens = 0;
7022 }
7023 range->min_pmp = 0;
7024 range->max_pmp = 5000000; /* 5 secs */
7025 range->min_pmt = 0;
7026 range->max_pmt = 65535 * 1024; /* ??? */
7027 range->pmp_flags = IW_POWER_PERIOD;
7028 range->pmt_flags = IW_POWER_TIMEOUT;
7029 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7030
7031 /* Transmit Power - values are in mW */
7032 for(i = 0 ; i < 8 ; i++) {
56d81bd3 7033 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 7034 if(range->txpower[i] == 0)
7035 break;
7036 }
7037 range->num_txpower = i;
7038 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 7039 range->we_version_source = 19;
1da177e4
LT		 7040 range->we_version_compiled = WIRELESS_EXT;
7041 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7042 range->retry_flags = IW_RETRY_LIMIT;
7043 range->r_time_flags = IW_RETRY_LIFETIME;
7044 range->min_retry = 1;
7045 range->max_retry = 65535;
7046 range->min_r_time = 1024;
7047 range->max_r_time = 65535 * 1024;
1da177e4
LT		 7048
7049 /* Event capability (kernel + driver) */
7050 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7051 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7052 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7053 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7054 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7055 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7056 return 0;
7057}
7058
7059/*------------------------------------------------------------------*/
7060/*
7061 * Wireless Handler : set Power Management
7062 */
7063static int airo_set_power(struct net_device *dev,
7064 struct iw_request_info *info,
7065 struct iw_param *vwrq,
7066 char *extra)
7067{
faf3994a 7068 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7069
7070 readConfigRid(local, 1);
7071 if (vwrq->disabled) {
3eb9b41f 7072 if (sniffing_mode(local))
1da177e4 7073 return -EINVAL;
1da177e4 7074 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7075 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7076 local->config.rmode |= RXMODE_BC_MC_ADDR;
7077 set_bit (FLAG_COMMIT, &local->flags);
7078 return -EINPROGRESS; /* Call commit handler */
7079 }
7080 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7081 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7082 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7083 set_bit (FLAG_COMMIT, &local->flags);
7084 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 7085 local->config.fastListenInterval =
7086 local->config.listenInterval =
7087 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7088 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7089 set_bit (FLAG_COMMIT, &local->flags);
7090 }
7091 switch (vwrq->flags & IW_POWER_MODE) {
7092 case IW_POWER_UNICAST_R:
3eb9b41f 7093 if (sniffing_mode(local))
1da177e4 7094 return -EINVAL;
3eb9b41f 7095 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7096 local->config.rmode |= RXMODE_ADDR;
7097 set_bit (FLAG_COMMIT, &local->flags);
7098 break;
7099 case IW_POWER_ALL_R:
3eb9b41f 7100 if (sniffing_mode(local))
1da177e4 7101 return -EINVAL;
3eb9b41f 7102 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7103 local->config.rmode |= RXMODE_BC_MC_ADDR;
7104 set_bit (FLAG_COMMIT, &local->flags);
7105 case IW_POWER_ON:
7f8544cc 7106 /* This is broken, fixme ;-) */
1da177e4
LT		 7107 break;
7108 default:
7109 return -EINVAL;
7110 }
7111 // Note : we may want to factor local->need_commit here
7112 // Note2 : may also want to factor RXMODE_RFMON test
7113 return -EINPROGRESS; /* Call commit handler */
7114}
7115
7116/*------------------------------------------------------------------*/
7117/*
7118 * Wireless Handler : get Power Management
7119 */
7120static int airo_get_power(struct net_device *dev,
7121 struct iw_request_info *info,
7122 struct iw_param *vwrq,
7123 char *extra)
7124{
faf3994a 7125 struct airo_info *local = dev->ml_priv;
3eb9b41f 7126 __le16 mode;
1da177e4
LT		 7127
7128 readConfigRid(local, 1);
7129 mode = local->config.powerSaveMode;
7130 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7131 return 0;
7132 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7133 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 7134 vwrq->flags = IW_POWER_TIMEOUT;
7135 } else {
3eb9b41f 7136 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 7137 vwrq->flags = IW_POWER_PERIOD;
7138 }
3eb9b41f 7139 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 7140 vwrq->flags |= IW_POWER_UNICAST_R;
7141 else
7142 vwrq->flags |= IW_POWER_ALL_R;
7143
7144 return 0;
7145}
7146
7147/*------------------------------------------------------------------*/
7148/*
7149 * Wireless Handler : set Sensitivity
7150 */
7151static int airo_set_sens(struct net_device *dev,
7152 struct iw_request_info *info,
7153 struct iw_param *vwrq,
7154 char *extra)
7155{
faf3994a 7156 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7157
7158 readConfigRid(local, 1);
3eb9b41f
AV		 7159 local->config.rssiThreshold =
7160 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7161 set_bit (FLAG_COMMIT, &local->flags);
7162
7163 return -EINPROGRESS; /* Call commit handler */
7164}
7165
7166/*------------------------------------------------------------------*/
7167/*
7168 * Wireless Handler : get Sensitivity
7169 */
7170static int airo_get_sens(struct net_device *dev,
7171 struct iw_request_info *info,
7172 struct iw_param *vwrq,
7173 char *extra)
7174{
faf3994a 7175 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7176
7177 readConfigRid(local, 1);
3eb9b41f 7178 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7179 vwrq->disabled = (vwrq->value == 0);
7180 vwrq->fixed = 1;
7181
7182 return 0;
7183}
7184
7185/*------------------------------------------------------------------*/
7186/*
7187 * Wireless Handler : get AP List
7188 * Note : this is deprecated in favor of IWSCAN
7189 */
7190static int airo_get_aplist(struct net_device *dev,
7191 struct iw_request_info *info,
7192 struct iw_point *dwrq,
7193 char *extra)
7194{
faf3994a 7195 struct airo_info *local = dev->ml_priv;
1da177e4 7196 struct sockaddr *address = (struct sockaddr *) extra;
998a5a7d 7197 struct iw_quality *qual;
1da177e4
LT		 7198 BSSListRid BSSList;
7199 int i;
7200 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7201
998a5a7d
FS		 7202 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7203 if (!qual)
7204 return -ENOMEM;
7205
1da177e4 7206 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7207 u16 dBm;
1da177e4
LT		 7208 if (readBSSListRid(local, loseSync, &BSSList))
7209 break;
7210 loseSync = 0;
7211 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7212 address[i].sa_family = ARPHRD_ETHER;
17e70491 7213 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7214 if (local->rssi) {
17e70491
AV		 7215 qual[i].level = 0x100 - dBm;
7216 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7217 qual[i].updated = IW_QUAL_QUAL_UPDATED
7218 | IW_QUAL_LEVEL_UPDATED
7219 | IW_QUAL_DBM;
41480af2 7220 } else {
17e70491 7221 qual[i].level = (dBm + 321) / 2;
41480af2 7222 qual[i].qual = 0;
ce6623c3
JT		 7223 qual[i].updated = IW_QUAL_QUAL_INVALID
7224 | IW_QUAL_LEVEL_UPDATED
7225 | IW_QUAL_DBM;
41480af2
DW		 7226 }
7227 qual[i].noise = local->wstats.qual.noise;
17e70491 7228 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7229 break;
7230 }
7231 if (!i) {
7232 StatusRid status_rid; /* Card status info */
7233 readStatusRid(local, &status_rid, 1);
7234 for (i = 0;
7235 i < min(IW_MAX_AP, 4) &&
7236 (status_rid.bssid[i][0]
7237 & status_rid.bssid[i][1]
7238 & status_rid.bssid[i][2]
7239 & status_rid.bssid[i][3]
7240 & status_rid.bssid[i][4]
7241 & status_rid.bssid[i][5])!=0xff &&
7242 (status_rid.bssid[i][0]
7243 | status_rid.bssid[i][1]
7244 | status_rid.bssid[i][2]
7245 | status_rid.bssid[i][3]
7246 | status_rid.bssid[i][4]
7247 | status_rid.bssid[i][5]);
7248 i++) {
7249 memcpy(address[i].sa_data,
7250 status_rid.bssid[i], ETH_ALEN);
7251 address[i].sa_family = ARPHRD_ETHER;
7252 }
7253 } else {
7254 dwrq->flags = 1; /* Should be define'd */
7255 memcpy(extra + sizeof(struct sockaddr)*i,
7256 &qual, sizeof(struct iw_quality)*i);
7257 }
7258 dwrq->length = i;
7259
998a5a7d 7260 kfree(qual);
1da177e4
LT		 7261 return 0;
7262}
7263
7264/*------------------------------------------------------------------*/
7265/*
7266 * Wireless Handler : Initiate Scan
7267 */
7268static int airo_set_scan(struct net_device *dev,
7269 struct iw_request_info *info,
9930ccee 7270 struct iw_point *dwrq,
1da177e4
LT		 7271 char *extra)
7272{
faf3994a 7273 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7274 Cmd cmd;
7275 Resp rsp;
9e75af30 7276 int wake = 0;
1da177e4
LT		 7277
7278 /* Note : you may have realised that, as this is a SET operation,
7279 * this is privileged and therefore a normal user can't
7280 * perform scanning.
7281 * This is not an error, while the device perform scanning,
7282 * traffic doesn't flow, so it's a perfect DoS...
7283 * Jean II */
7284 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7285
9e75af30
DW		 7286 if (down_interruptible(&ai->sem))
7287 return -ERESTARTSYS;
7288
7289 /* If there's already a scan in progress, don't
7290 * trigger another one. */
7291 if (ai->scan_timeout > 0)
7292 goto out;
7293
1da177e4 7294 /* Initiate a scan command */
6fcdf565 7295 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7296 memset(&cmd, 0, sizeof(cmd));
7297 cmd.cmd=CMD_LISTBSS;
1da177e4 7298 issuecommand(ai, &cmd, &rsp);
9e75af30 7299 wake = 1;
1da177e4 7300
9e75af30
DW		 7301out:
7302 up(&ai->sem);
7303 if (wake)
7304 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7305 return 0;
7306}
7307
7308/*------------------------------------------------------------------*/
7309/*
7310 * Translate scan data returned from the card to a card independent
7311 * format that the Wireless Tools will understand - Jean II
7312 */
7313static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7314 struct iw_request_info *info,
1da177e4
LT		 7315 char *current_ev,
7316 char *end_buf,
41480af2 7317 BSSListRid *bss)
1da177e4 7318{
faf3994a 7319 struct airo_info *ai = dev->ml_priv;
1da177e4 7320 struct iw_event iwe; /* Temporary buffer */
17e70491 7321 __le16 capabilities;
1da177e4
LT		 7322 char * current_val; /* For rates */
7323 int i;
3c304956 7324 char * buf;
851b3e5e 7325 u16 dBm;
1da177e4
LT		 7326
7327 /* First entry *MUST* be the AP MAC address */
7328 iwe.cmd = SIOCGIWAP;
7329 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7330 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM		 7331 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7332 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 7333
7334 /* Other entries will be displayed in the order we give them */
7335
7336 /* Add the ESSID */
41480af2 7337 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7338 if(iwe.u.data.length > 32)
7339 iwe.u.data.length = 32;
7340 iwe.cmd = SIOCGIWESSID;
7341 iwe.u.data.flags = 1;
ccc58057
DM		 7342 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7343 &iwe, bss->ssid);
1da177e4
LT		 7344
7345 /* Add mode */
7346 iwe.cmd = SIOCGIWMODE;
17e70491 7347 capabilities = bss->cap;
1da177e4
LT		 7348 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7349 if(capabilities & CAP_ESS)
7350 iwe.u.mode = IW_MODE_MASTER;
7351 else
7352 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 7353 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7354 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 7355 }
7356
7357 /* Add frequency */
7358 iwe.cmd = SIOCGIWFREQ;
41480af2 7359 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7360 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7361 iwe.u.freq.e = 1;
ccc58057
DM		 7362 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7363 &iwe, IW_EV_FREQ_LEN);
1da177e4 7364
851b3e5e
AV		 7365 dBm = le16_to_cpu(bss->dBm);
7366
1da177e4
LT		 7367 /* Add quality statistics */
7368 iwe.cmd = IWEVQUAL;
41480af2 7369 if (ai->rssi) {
851b3e5e
AV		 7370 iwe.u.qual.level = 0x100 - dBm;
7371 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7372 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7373 | IW_QUAL_LEVEL_UPDATED
7374 | IW_QUAL_DBM;
41480af2 7375 } else {
851b3e5e 7376 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7377 iwe.u.qual.qual = 0;
bbeec90b 7378 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7379 | IW_QUAL_LEVEL_UPDATED
7380 | IW_QUAL_DBM;
41480af2
DW		 7381 }
7382 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM		 7383 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7384 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 7385
7386 /* Add encryption capability */
7387 iwe.cmd = SIOCGIWENCODE;
7388 if(capabilities & CAP_PRIVACY)
7389 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7390 else
7391 iwe.u.data.flags = IW_ENCODE_DISABLED;
7392 iwe.u.data.length = 0;
ccc58057
DM		 7393 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7394 &iwe, bss->ssid);
1da177e4
LT		 7395
7396 /* Rate : stuffing multiple values in a single event require a bit
7397 * more of magic - Jean II */
ccc58057 7398 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT		 7399
7400 iwe.cmd = SIOCGIWRATE;
7401 /* Those two flags are ignored... */
7402 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7403 /* Max 8 values */
7404 for(i = 0 ; i < 8 ; i++) {
7405 /* NULL terminated */
41480af2 7406 if(bss->rates[i] == 0)
1da177e4
LT		 7407 break;
7408 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7409 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7410 /* Add new value to event */
ccc58057
DM		 7411 current_val = iwe_stream_add_value(info, current_ev,
7412 current_val, end_buf,
7413 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 7414 }
7415 /* Check if we added any event */
ccc58057 7416 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT		 7417 current_ev = current_val;
7418
3c304956
DW		 7419 /* Beacon interval */
7420 buf = kmalloc(30, GFP_KERNEL);
7421 if (buf) {
7422 iwe.cmd = IWEVCUSTOM;
7423 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7424 iwe.u.data.length = strlen(buf);
ccc58057
DM		 7425 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7426 &iwe, buf);
3c304956
DW		 7427 kfree(buf);
7428 }
7429
7430 /* Put WPA/RSN Information Elements into the event stream */
7431 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7432 unsigned int num_null_ies = 0;
7433 u16 length = sizeof (bss->extra.iep);
2c706002 7434 u8 *ie = (void *)&bss->extra.iep;
3c304956 7435
2c706002
JB		 7436 while ((length >= 2) && (num_null_ies < 2)) {
7437 if (2 + ie[1] > length) {
3c304956
DW		 7438 /* Invalid element, don't continue parsing IE */
7439 break;
7440 }
7441
2c706002
JB		 7442 switch (ie[0]) {
7443 case WLAN_EID_SSID:
3c304956
DW		 7444 /* Two zero-length SSID elements
7445 * mean we're done parsing elements */
2c706002 7446 if (!ie[1])
3c304956
DW		 7447 num_null_ies++;
7448 break;
7449
2c706002
JB		 7450 case WLAN_EID_GENERIC:
7451 if (ie[1] >= 4 &&
7452 ie[2] == 0x00 &&
7453 ie[3] == 0x50 &&
7454 ie[4] == 0xf2 &&
7455 ie[5] == 0x01) {
3c304956 7456 iwe.cmd = IWEVGENIE;
2c706002
JB		 7457 /* 64 is an arbitrary cut-off */
7458 iwe.u.data.length = min(ie[1] + 2,
7459 64);
ccc58057
DM		 7460 current_ev = iwe_stream_add_point(
7461 info, current_ev,
2c706002 7462 end_buf, &iwe, ie);
3c304956
DW		 7463 }
7464 break;
7465
2c706002 7466 case WLAN_EID_RSN:
3c304956 7467 iwe.cmd = IWEVGENIE;
2c706002
JB		 7468 /* 64 is an arbitrary cut-off */
7469 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM		 7470 current_ev = iwe_stream_add_point(
7471 info, current_ev, end_buf,
2c706002 7472 &iwe, ie);
3c304956
DW		 7473 break;
7474
7475 default:
7476 break;
7477 }
7478
2c706002
JB		 7479 length -= 2 + ie[1];
7480 ie += 2 + ie[1];
3c304956
DW		 7481 }
7482 }
1da177e4
LT		 7483 return current_ev;
7484}
7485
7486/*------------------------------------------------------------------*/
7487/*
7488 * Wireless Handler : Read Scan Results
7489 */
7490static int airo_get_scan(struct net_device *dev,
7491 struct iw_request_info *info,
7492 struct iw_point *dwrq,
7493 char *extra)
7494{
faf3994a 7495 struct airo_info *ai = dev->ml_priv;
9e75af30
DW		 7496 BSSListElement *net;
7497 int err = 0;
1da177e4
LT		 7498 char *current_ev = extra;
7499
9e75af30
DW		 7500 /* If a scan is in-progress, return -EAGAIN */
7501 if (ai->scan_timeout > 0)
1da177e4 7502 return -EAGAIN;
1da177e4 7503
9e75af30
DW		 7504 if (down_interruptible(&ai->sem))
7505 return -EAGAIN;
1da177e4 7506
9e75af30 7507 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7508 /* Translate to WE format this entry */
ccc58057 7509 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7510 extra + dwrq->length,
9e75af30 7511 &net->bss);
1da177e4
LT		 7512
7513 /* Check if there is space for one more entry */
7514 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7515 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7516 err = -E2BIG;
7517 goto out;
1da177e4 7518 }
1da177e4 7519 }
9e75af30 7520
1da177e4
LT		 7521 /* Length of data */
7522 dwrq->length = (current_ev - extra);
7523 dwrq->flags = 0; /* todo */
7524
9e75af30
DW		 7525out:
7526 up(&ai->sem);
7527 return err;
1da177e4
LT		 7528}
7529
7530/*------------------------------------------------------------------*/
7531/*
7532 * Commit handler : called after a bunch of SET operations
7533 */
7534static int airo_config_commit(struct net_device *dev,
7535 struct iw_request_info *info, /* NULL */
7536 void *zwrq, /* NULL */
7537 char *extra) /* NULL */
7538{
faf3994a 7539 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7540
7541 if (!test_bit (FLAG_COMMIT, &local->flags))
7542 return 0;
7543
7544 /* Some of the "SET" function may have modified some of the
7545 * parameters. It's now time to commit them in the card */
7546 disable_MAC(local, 1);
7547 if (test_bit (FLAG_RESET, &local->flags)) {
7548 APListRid APList_rid;
7549 SsidRid SSID_rid;
7550
7551 readAPListRid(local, &APList_rid);
7552 readSsidRid(local, &SSID_rid);
7553 if (test_bit(FLAG_MPI,&local->flags))
7554 setup_card(local, dev->dev_addr, 1 );
7555 else
7556 reset_airo_card(dev);
7557 disable_MAC(local, 1);
7558 writeSsidRid(local, &SSID_rid, 1);
7559 writeAPListRid(local, &APList_rid, 1);
7560 }
7561 if (down_interruptible(&local->sem))
7562 return -ERESTARTSYS;
7563 writeConfigRid(local, 0);
175ec1a1 7564 enable_MAC(local, 0);
1da177e4
LT		 7565 if (test_bit (FLAG_RESET, &local->flags))
7566 airo_set_promisc(local);
7567 else
7568 up(&local->sem);
7569
7570 return 0;
7571}
7572
7573/*------------------------------------------------------------------*/
7574/*
7575 * Structures to export the Wireless Handlers
7576 */
7577
7578static const struct iw_priv_args airo_private_args[] = {
7579/*{ cmd, set_args, get_args, name } */
7580 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7581 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7582 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7583 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7584};
7585
7586static const iw_handler airo_handler[] =
7587{
7588 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7589 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7590 (iw_handler) NULL, /* SIOCSIWNWID */
7591 (iw_handler) NULL, /* SIOCGIWNWID */
7592 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7593 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7594 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7595 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7596 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7597 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7598 (iw_handler) NULL, /* SIOCSIWRANGE */
7599 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7600 (iw_handler) NULL, /* SIOCSIWPRIV */
7601 (iw_handler) NULL, /* SIOCGIWPRIV */
7602 (iw_handler) NULL, /* SIOCSIWSTATS */
7603 (iw_handler) NULL, /* SIOCGIWSTATS */
7604 iw_handler_set_spy, /* SIOCSIWSPY */
7605 iw_handler_get_spy, /* SIOCGIWSPY */
7606 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7607 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7608 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7609 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7610 (iw_handler) NULL, /* -- hole -- */
7611 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7612 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7613 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7614 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7615 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7616 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7617 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7618 (iw_handler) NULL, /* -- hole -- */
7619 (iw_handler) NULL, /* -- hole -- */
7620 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7621 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7622 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7623 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7624 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7625 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7626 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7627 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7628 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7629 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7630 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7631 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7632 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7633 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7634 (iw_handler) NULL, /* -- hole -- */
7635 (iw_handler) NULL, /* -- hole -- */
7636 (iw_handler) NULL, /* SIOCSIWGENIE */
7637 (iw_handler) NULL, /* SIOCGIWGENIE */
7638 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7639 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7640 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7641 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7642 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7643};
7644
7645/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7646 * We want to force the use of the ioctl code, because those can't be
7647 * won't work the iw_handler code (because they simultaneously read
7648 * and write data and iw_handler can't do that).
7649 * Note that it's perfectly legal to read/write on a single ioctl command,
7650 * you just can't use iwpriv and need to force it via the ioctl handler.
7651 * Jean II */
7652static const iw_handler airo_private_handler[] =
7653{
7654 NULL, /* SIOCIWFIRSTPRIV */
7655};
7656
7657static const struct iw_handler_def airo_handler_def =
7658{
ff8ac609
DC		 7659 .num_standard = ARRAY_SIZE(airo_handler),
7660 .num_private = ARRAY_SIZE(airo_private_handler),
7661 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7662 .standard = airo_handler,
7663 .private = airo_private_handler,
7664 .private_args = airo_private_args,
7665 .get_wireless_stats = airo_get_wireless_stats,
7666};
7667
1da177e4
LT		 7668/*
7669 * This defines the configuration part of the Wireless Extensions
7670 * Note : irq and spinlock protection will occur in the subroutines
7671 *
7672 * TODO :
7673 * o Check input value more carefully and fill correct values in range
7674 * o Test and shakeout the bugs (if any)
7675 *
7676 * Jean II
7677 *
7678 * Javier Achirica did a great job of merging code from the unnamed CISCO
7679 * developer that added support for flashing the card.
7680 */
7681static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7682{
7683 int rc = 0;
faf3994a 7684 struct airo_info *ai = dev->ml_priv;
1da177e4 7685
ca078bae 7686 if (ai->power.event)
1da177e4
LT		 7687 return 0;
7688
7689 switch (cmd) {
7690#ifdef CISCO_EXT
7691 case AIROIDIFC:
7692#ifdef AIROOLDIDIFC
7693 case AIROOLDIDIFC:
7694#endif
7695 {
7696 int val = AIROMAGIC;
7697 aironet_ioctl com;
7698 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7699 rc = -EFAULT;
7700 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7701 rc = -EFAULT;
7702 }
7703 break;
7704
7705 case AIROIOCTL:
7706#ifdef AIROOLDIOCTL
7707 case AIROOLDIOCTL:
7708#endif
7709 /* Get the command struct and hand it off for evaluation by
7710 * the proper subfunction
7711 */
7712 {
7713 aironet_ioctl com;
7714 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7715 rc = -EFAULT;
7716 break;
7717 }
7718
7719 /* Separate R/W functions bracket legality here
7720 */
7721 if ( com.command == AIRORSWVERSION ) {
7722 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7723 rc = -EFAULT;
7724 else
7725 rc = 0;
7726 }
7727 else if ( com.command <= AIRORRID)
7728 rc = readrids(dev,&com);
7729 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7730 rc = writerids(dev,&com);
7731 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7732 rc = flashcard(dev,&com);
7733 else
7734 rc = -EINVAL; /* Bad command in ioctl */
7735 }
7736 break;
7737#endif /* CISCO_EXT */
7738
7739 // All other calls are currently unsupported
7740 default:
7741 rc = -EOPNOTSUPP;
7742 }
7743 return rc;
7744}
7745
1da177e4
LT		 7746/*
7747 * Get the Wireless stats out of the driver
7748 * Note : irq and spinlock protection will occur in the subroutines
7749 *
7750 * TODO :
7751 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7752 *
7753 * Jean
7754 */
7755static void airo_read_wireless_stats(struct airo_info *local)
7756{
7757 StatusRid status_rid;
7758 StatsRid stats_rid;
7759 CapabilityRid cap_rid;
a23ace5f 7760 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7761
7762 /* Get stats out of the card */
3c304956 7763 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7764 if (local->power.event) {
1da177e4
LT		 7765 up(&local->sem);
7766 return;
7767 }
7768 readCapabilityRid(local, &cap_rid, 0);
7769 readStatusRid(local, &status_rid, 0);
7770 readStatsRid(local, &stats_rid, RID_STATS, 0);
7771 up(&local->sem);
7772
7773 /* The status */
329e2c00 7774 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7775
41480af2
DW		 7776 /* Signal quality and co */
7777 if (local->rssi) {
329e2c00
AV		 7778 local->wstats.qual.level =
7779 airo_rssi_to_dbm(local->rssi,
7780 le16_to_cpu(status_rid.sigQuality));
41480af2 7781 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7782 local->wstats.qual.qual =
7783 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7784 } else {
329e2c00
AV		 7785 local->wstats.qual.level =
7786 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7787 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7788 }
329e2c00 7789 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7790 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7791 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7792 } else {
7793 local->wstats.qual.noise = 0;
ce6623c3 7794 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7795 }
7796
7797 /* Packets discarded in the wireless adapter due to wireless
7798 * specific problems */
a23ace5f
AV		 7799 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7800 le32_to_cpu(vals[57]) +
7801 le32_to_cpu(vals[58]); /* SSID Mismatch */
7802 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7803 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7804 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7805 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7806 le32_to_cpu(vals[32]);
7807 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7808}
7809
ff1d2767 7810static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7811{
faf3994a 7812 struct airo_info *local = dev->ml_priv;
1da177e4 7813
3c304956 7814 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7815 /* Get stats out of the card if available */
7816 if (down_trylock(&local->sem) != 0) {
3c304956 7817 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7818 wake_up_interruptible(&local->thr_wait);
7819 } else
7820 airo_read_wireless_stats(local);
7821 }
7822
7823 return &local->wstats;
7824}
1da177e4
LT		 7825
7826#ifdef CISCO_EXT
7827/*
7828 * This just translates from driver IOCTL codes to the command codes to
7829 * feed to the radio's host interface. Things can be added/deleted
7830 * as needed. This represents the READ side of control I/O to
7831 * the card
7832 */
7833static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7834 unsigned short ridcode;
7835 unsigned char *iobuf;
7836 int len;
faf3994a 7837 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7838
7839 if (test_bit(FLAG_FLASHING, &ai->flags))
7840 return -EIO;
7841
7842 switch(comp->command)
7843 {
7844 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7845 case AIROGCFG: ridcode = RID_CONFIG;
7846 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7847 disable_MAC (ai, 1);
7848 writeConfigRid (ai, 1);
175ec1a1 7849 enable_MAC(ai, 1);
1da177e4
LT		 7850 }
7851 break;
7852 case AIROGSLIST: ridcode = RID_SSID; break;
7853 case AIROGVLIST: ridcode = RID_APLIST; break;
7854 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7855 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7856 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7857 /* Only super-user can read WEP keys */
7858 if (!capable(CAP_NET_ADMIN))
7859 return -EPERM;
7860 break;
7861 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7862 /* Only super-user can read WEP keys */
7863 if (!capable(CAP_NET_ADMIN))
7864 return -EPERM;
7865 break;
7866 case AIROGSTAT: ridcode = RID_STATUS; break;
7867 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7868 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7869 case AIROGMICSTATS:
7870 if (copy_to_user(comp->data, &ai->micstats,
7871 min((int)comp->len,(int)sizeof(ai->micstats))))
7872 return -EFAULT;
7873 return 0;
1da177e4
LT		 7874 case AIRORRID: ridcode = comp->ridnum; break;
7875 default:
7876 return -EINVAL;
7877 break;
7878 }
7879
7880 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7881 return -ENOMEM;
7882
7883 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7884 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7885 * then return it to the user
7886 * 9/22/2000 Honor user given length
7887 */
7888 len = comp->len;
7889
7890 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7891 kfree (iobuf);
7892 return -EFAULT;
7893 }
7894 kfree (iobuf);
7895 return 0;
7896}
7897
7898/*
7899 * Danger Will Robinson write the rids here
7900 */
7901
7902static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7903 struct airo_info *ai = dev->ml_priv;
1da177e4 7904 int ridcode;
1da177e4 7905 int enabled;
1da177e4
LT		 7906 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7907 unsigned char *iobuf;
7908
7909 /* Only super-user can write RIDs */
7910 if (!capable(CAP_NET_ADMIN))
7911 return -EPERM;
7912
7913 if (test_bit(FLAG_FLASHING, &ai->flags))
7914 return -EIO;
7915
7916 ridcode = 0;
7917 writer = do_writerid;
7918
7919 switch(comp->command)
7920 {
7921 case AIROPSIDS: ridcode = RID_SSID; break;
7922 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7923 case AIROPAPLIST: ridcode = RID_APLIST; break;
7924 case AIROPCFG: ai->config.len = 0;
7925 clear_bit(FLAG_COMMIT, &ai->flags);
7926 ridcode = RID_CONFIG; break;
7927 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7928 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7929 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7930 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7931 break;
7932 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7933 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7934
7935 /* this is not really a rid but a command given to the card
7936 * same with MAC off
7937 */
7938 case AIROPMACON:
175ec1a1 7939 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7940 return -EIO;
7941 return 0;
7942
7943 /*
7944 * Evidently this code in the airo driver does not get a symbol
7945 * as disable_MAC. it's probably so short the compiler does not gen one.
7946 */
7947 case AIROPMACOFF:
7948 disable_MAC(ai, 1);
7949 return 0;
7950
7951 /* This command merely clears the counts does not actually store any data
7952 * only reads rid. But as it changes the cards state, I put it in the
7953 * writerid routines.
7954 */
7955 case AIROPSTCLR:
7956 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7957 return -ENOMEM;
7958
7959 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7960
1da177e4
LT		 7961 enabled = ai->micstats.enabled;
7962 memset(&ai->micstats,0,sizeof(ai->micstats));
7963 ai->micstats.enabled = enabled;
1da177e4
LT		 7964
7965 if (copy_to_user(comp->data, iobuf,
7966 min((int)comp->len, (int)RIDSIZE))) {
7967 kfree (iobuf);
7968 return -EFAULT;
7969 }
7970 kfree (iobuf);
7971 return 0;
7972
7973 default:
7974 return -EOPNOTSUPP; /* Blarg! */
7975 }
7976 if(comp->len > RIDSIZE)
7977 return -EINVAL;
7978
7979 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7980 return -ENOMEM;
7981
7982 if (copy_from_user(iobuf,comp->data,comp->len)) {
7983 kfree (iobuf);
7984 return -EFAULT;
7985 }
7986
7987 if (comp->command == AIROPCFG) {
7988 ConfigRid *cfg = (ConfigRid *)iobuf;
7989
7990 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7991 cfg->opmode |= MODE_MIC;
1da177e4 7992
3eb9b41f 7993 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7994 set_bit (FLAG_ADHOC, &ai->flags);
7995 else
7996 clear_bit (FLAG_ADHOC, &ai->flags);
7997 }
7998
7999 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8000 kfree (iobuf);
8001 return -EIO;
8002 }
8003 kfree (iobuf);
8004 return 0;
8005}
8006
8007/*****************************************************************************
8008 * Ancillary flash / mod functions much black magic lurkes here *
8009 *****************************************************************************
8010 */
8011
8012/*
8013 * Flash command switch table
8014 */
8015
ff1d2767 8016static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 8017 int z;
1da177e4
LT		 8018
8019 /* Only super-user can modify flash */
8020 if (!capable(CAP_NET_ADMIN))
8021 return -EPERM;
8022
8023 switch(comp->command)
8024 {
8025 case AIROFLSHRST:
faf3994a 8026 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8027
8028 case AIROFLSHSTFL:
faf3994a
WC		 8029 if (!AIRO_FLASH(dev) &&
8030 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 8031 return -ENOMEM;
faf3994a 8032 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8033
8034 case AIROFLSHGCHR: /* Get char from aux */
8035 if(comp->len != sizeof(int))
8036 return -EINVAL;
8037 if (copy_from_user(&z,comp->data,comp->len))
8038 return -EFAULT;
faf3994a 8039 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 8040
8041 case AIROFLSHPCHR: /* Send char to card. */
8042 if(comp->len != sizeof(int))
8043 return -EINVAL;
8044 if (copy_from_user(&z,comp->data,comp->len))
8045 return -EFAULT;
faf3994a 8046 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 8047
8048 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 8049 if (!AIRO_FLASH(dev))
1da177e4
LT		 8050 return -ENOMEM;
8051 if(comp->len > FLASHSIZE)
8052 return -EINVAL;
faf3994a 8053 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT		 8054 return -EFAULT;
8055
faf3994a 8056 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8057 return 0;
8058
8059 case AIRORESTART:
faf3994a 8060 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT		 8061 return -EIO;
8062 return 0;
8063 }
8064 return -EINVAL;
8065}
8066
8067#define FLASH_COMMAND 0x7e7e
8068
8069/*
8070 * STEP 1)
8071 * Disable MAC and do soft reset on
8072 * card.
8073 */
8074
ff1d2767 8075static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8076 disable_MAC(ai, 1);
8077
8078 if(!waitbusy (ai)){
934d8bf1 8079 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8080 return -EBUSY;
8081 }
8082
8083 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8084
8085 ssleep(1); /* WAS 600 12/7/00 */
8086
8087 if(!waitbusy (ai)){
934d8bf1 8088 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8089 return -EBUSY;
8090 }
8091 return 0;
8092}
8093
8094/* STEP 2)
8095 * Put the card in legendary flash
8096 * mode
8097 */
8098
ff1d2767 8099static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8100 set_bit (FLAG_FLASHING, &ai->flags);
8101
8102 OUT4500(ai, SWS0, FLASH_COMMAND);
8103 OUT4500(ai, SWS1, FLASH_COMMAND);
8104 if (probe) {
8105 OUT4500(ai, SWS0, FLASH_COMMAND);
8106 OUT4500(ai, COMMAND,0x10);
8107 } else {
8108 OUT4500(ai, SWS2, FLASH_COMMAND);
8109 OUT4500(ai, SWS3, FLASH_COMMAND);
8110 OUT4500(ai, COMMAND,0);
8111 }
8112 msleep(500); /* 500ms delay */
8113
8114 if(!waitbusy(ai)) {
8115 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8116 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8117 return -EIO;
8118 }
8119 return 0;
8120}
8121
8122/* Put character to SWS0 wait for dwelltime
8123 * x 50us for echo .
8124 */
8125
ff1d2767 8126static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8127 int echo;
8128 int waittime;
8129
8130 byte |= 0x8000;
8131
8132 if(dwelltime == 0 )
8133 dwelltime = 200;
8134
8135 waittime=dwelltime;
8136
8137 /* Wait for busy bit d15 to go false indicating buffer empty */
8138 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8139 udelay (50);
8140 waittime -= 50;
8141 }
8142
8143 /* timeout for busy clear wait */
8144 if(waittime <= 0 ){
934d8bf1 8145 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8146 return -EBUSY;
8147 }
8148
8149 /* Port is clear now write byte and wait for it to echo back */
8150 do {
8151 OUT4500(ai,SWS0,byte);
8152 udelay(50);
8153 dwelltime -= 50;
8154 echo = IN4500(ai,SWS1);
8155 } while (dwelltime >= 0 && echo != byte);
8156
8157 OUT4500(ai,SWS1,0);
8158
8159 return (echo == byte) ? 0 : -EIO;
8160}
8161
8162/*
8163 * Get a character from the card matching matchbyte
8164 * Step 3)
8165 */
ff1d2767 8166static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8167 int rchar;
8168 unsigned char rbyte=0;
8169
8170 do {
8171 rchar = IN4500(ai,SWS1);
8172
8173 if(dwelltime && !(0x8000 & rchar)){
8174 dwelltime -= 10;
8175 mdelay(10);
8176 continue;
8177 }
8178 rbyte = 0xff & rchar;
8179
8180 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8181 OUT4500(ai,SWS1,0);
8182 return 0;
8183 }
8184 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8185 break;
8186 OUT4500(ai,SWS1,0);
8187
8188 }while(dwelltime > 0);
8189 return -EIO;
8190}
8191
8192/*
8193 * Transfer 32k of firmware data from user buffer to our buffer and
8194 * send to the card
8195 */
8196
ff1d2767 8197static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8198 int nwords;
8199
8200 /* Write stuff */
8201 if (test_bit(FLAG_MPI,&ai->flags))
8202 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8203 else {
8204 OUT4500(ai,AUXPAGE,0x100);
8205 OUT4500(ai,AUXOFF,0);
8206
8207 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8208 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8209 }
8210 }
8211 OUT4500(ai,SWS0,0x8000);
8212
8213 return 0;
8214}
8215
8216/*
8217 *
8218 */
ff1d2767 8219static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8220 int i,status;
8221
8222 ssleep(1); /* Added 12/7/00 */
8223 clear_bit (FLAG_FLASHING, &ai->flags);
8224 if (test_bit(FLAG_MPI, &ai->flags)) {
8225 status = mpi_init_descriptors(ai);
8226 if (status != SUCCESS)
8227 return status;
8228 }
8229 status = setup_card(ai, dev->dev_addr, 1);
8230
8231 if (!test_bit(FLAG_MPI,&ai->flags))
8232 for( i = 0; i < MAX_FIDS; i++ ) {
8233 ai->fids[i] = transmit_allocate
15db2763 8234 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8235 }
8236
8237 ssleep(1); /* Added 12/7/00 */
8238 return status;
8239}
8240#endif /* CISCO_EXT */
8241
8242/*
8243 This program is free software; you can redistribute it and/or
8244 modify it under the terms of the GNU General Public License
8245 as published by the Free Software Foundation; either version 2
8246 of the License, or (at your option) any later version.
8247
8248 This program is distributed in the hope that it will be useful,
8249 but WITHOUT ANY WARRANTY; without even the implied warranty of
8250 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8251 GNU General Public License for more details.
8252
8253 In addition:
8254
8255 Redistribution and use in source and binary forms, with or without
8256 modification, are permitted provided that the following conditions
8257 are met:
8258
8259 1. Redistributions of source code must retain the above copyright
8260 notice, this list of conditions and the following disclaimer.
8261 2. Redistributions in binary form must reproduce the above copyright
8262 notice, this list of conditions and the following disclaimer in the
8263 documentation and/or other materials provided with the distribution.
8264 3. The name of the author may not be used to endorse or promote
8265 products derived from this software without specific prior written
8266 permission.
8267
8268 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8269 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8270 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8271 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8272 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8273 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8274 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8275 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8276 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8277 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8278 POSSIBILITY OF SUCH DAMAGE.
8279*/
8280
8281module_init(airo_init_module);
8282module_exit(airo_cleanup_module);
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