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[deliverable/linux.git] / drivers / net / wireless / airo.c
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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
JB		 53#include <linux/ieee80211.h>
54
d3808760
AB		 55#include "airo.h"
56
1138c37b
MS		 57#define DRV_NAME "airo"
58
1da177e4 59#ifdef CONFIG_PCI
a3aa1884 60static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
1da177e4
LT		 61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
05adc3b7 74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
1138c37b 78 .name = DRV_NAME,
1da177e4
LT		 79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
e292c737
PM		 89#define WIRELESS_SPY /* enable iwspy support */
90#include <net/iw_handler.h> /* New driver API */
1da177e4 91
e292c737 92#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT		 93#ifdef CISCO_EXT
94#include <linux/delay.h>
95#endif
96
1da177e4
LT		 97/* Hack to do some power saving */
98#define POWER_ON_DOWN
99
100/* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
105
106#define IGNLABEL(comment) NULL
107static char *statsLabels[] = {
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209#ifndef RUN_AT
210#define RUN_AT(x) (jiffies+(x))
211#endif
212
213
214/* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
217
218static int rates[8];
219static int basic_rate;
220static char *ssids[3];
221
222static int io[4];
223static int irq[4];
224
225static
226int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232static int adhoc;
233
234static int probe = 1;
235
236static int proc_uid /* = 0 */;
237
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 246cards. Direct support for ISA/PCI/MPI cards and support \
247for PCMCIA when used with airo_cs.");
1da177e4
LT		 248MODULE_LICENSE("Dual BSD/GPL");
249MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250module_param_array(io, int, NULL, 0);
251module_param_array(irq, int, NULL, 0);
252module_param(basic_rate, int, 0);
253module_param_array(rates, int, NULL, 0);
254module_param_array(ssids, charp, NULL, 0);
255module_param(auto_wep, int, 0);
256MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257the authentication options until an association is made. The value of \
258auto_wep is number of the wep keys to check. A value of 2 will try using \
259the key at index 0 and index 1.");
260module_param(aux_bap, int, 0);
261MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262than seems to work better for older cards with some older buses. Before \
263switching it checks that the switch is needed.");
264module_param(maxencrypt, int, 0);
265MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266encryption. Units are in 512kbs. Zero (default) means there is no limit. \
267Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
e292c737 285static int do8bitIO /* = 0 */;
1da177e4
LT		 286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
e292c737
PM		 402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT		 404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
1da177e4
LT		 499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
99590ffe
DW		 501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
4293ea33
AV		 503 __le16 len;
504 __le16 kindex;
1da177e4 505 u8 mac[ETH_ALEN];
4293ea33 506 __le16 klen;
1da177e4 507 u8 key[16];
99590ffe 508} __attribute__ ((packed));
1da177e4
LT		 509
510/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW		 511typedef struct Ssid Ssid;
512struct Ssid {
0dd2212f 513 __le16 len;
1da177e4 514 u8 ssid[32];
99590ffe 515} __attribute__ ((packed));
1da177e4 516
99590ffe
DW		 517typedef struct SsidRid SsidRid;
518struct SsidRid {
0dd2212f 519 __le16 len;
1da177e4 520 Ssid ssids[3];
99590ffe 521} __attribute__ ((packed));
1da177e4 522
99590ffe
DW		 523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
3eb9b41f
AV		 525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
99590ffe 530} __attribute__ ((packed));
1da177e4 531
99590ffe
DW		 532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
3eb9b41f
AV		 534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
1da177e4
LT		 563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
3eb9b41f
AV		 565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
1da177e4 575 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
1da177e4 600 /*---------- Power save operation ----------*/
3eb9b41f
AV		 601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
1da177e4 611 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
1da177e4 620 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 625 u8 rxDiversity;
626 u8 txDiversity;
3eb9b41f 627 __le16 txPower;
1da177e4 628#define TXPOWER_DEFAULT 0
3eb9b41f 629 __le16 rssiThreshold;
1da177e4 630#define RSSI_DEFAULT 0
3eb9b41f
AV		 631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
1da177e4
LT		 638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
3eb9b41f
AV		 640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
1da177e4
LT		 644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
3eb9b41f 653 __le16 autoWake;
99590ffe 654} __attribute__ ((packed));
1da177e4 655
99590ffe
DW		 656typedef struct StatusRid StatusRid;
657struct StatusRid {
329e2c00 658 __le16 len;
1da177e4 659 u8 mac[ETH_ALEN];
329e2c00
AV		 660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
1da177e4
LT		 664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
1da177e4
LT		 682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 689 __le16 load;
1da177e4 690 u8 carrier[4];
329e2c00 691 __le16 assocStatus;
1da177e4
LT		 692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
99590ffe 713} __attribute__ ((packed));
1da177e4 714
99590ffe
DW		 715typedef struct StatsRid StatsRid;
716struct StatsRid {
a23ace5f
AV		 717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
99590ffe 720} __attribute__ ((packed));
1da177e4 721
99590ffe
DW		 722typedef struct APListRid APListRid;
723struct APListRid {
a749716e 724 __le16 len;
1da177e4 725 u8 ap[4][ETH_ALEN];
99590ffe 726} __attribute__ ((packed));
1da177e4 727
99590ffe
DW		 728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
56d81bd3 730 __le16 len;
1da177e4
LT		 731 char oui[3];
732 char zero;
56d81bd3 733 __le16 prodNum;
1da177e4
LT		 734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 739 __le16 radioType;
740 __le16 country;
1da177e4
LT		 741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
56d81bd3
AV		 745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
99590ffe 756} __attribute__ ((packed));
3c304956
DW		 757
758/* Only present on firmware >= 5.30.17 */
99590ffe
DW		 759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
17e70491 761 __le16 unknown[4];
3c304956
DW		 762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
99590ffe 764} __attribute__ ((packed));
3c304956 765
99590ffe
DW		 766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
17e70491
AV		 768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 773 __le16 radioType;
1da177e4
LT		 774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
17e70491
AV		 778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
1da177e4
LT		 785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
17e70491 787 __le16 dwell;
1da177e4
LT		 788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
17e70491
AV		 793 __le16 dsChannel;
794 __le16 atimWindow;
3c304956
DW		 795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
99590ffe 798} __attribute__ ((packed));
1da177e4 799
9e75af30
DW		 800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
99590ffe
DW		 805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
1da177e4
LT		 807 u8 rssipct;
808 u8 rssidBm;
99590ffe 809} __attribute__ ((packed));
1da177e4 810
99590ffe
DW		 811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
1da177e4
LT		 813 u16 len;
814 tdsRssiEntry x[256];
99590ffe 815} __attribute__ ((packed));
1da177e4 816
99590ffe
DW		 817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
1da177e4 822 u8 multicast[16];
99590ffe 823 __le16 unicastValid;
1da177e4 824 u8 unicast[16];
99590ffe 825} __attribute__ ((packed));
1da177e4 826
99590ffe
DW		 827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
593c2b9c 829 __be16 typelen;
1da177e4
LT		 830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
593c2b9c
AV		 841 __be32 mic;
842 __be32 seq;
99590ffe 843} __attribute__ ((packed));
1da177e4
LT		 844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
1da177e4
LT		 850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
62595eb9 934static char swversion[] = "2.1";
1da177e4
LT		 935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 940#define AIRO_DEF_MTU 2312
1da177e4
LT		 941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
593c2b9c 959 __be32 d32;
1da177e4
LT		 960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
f55d4517
DW		 992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998} __attribute__ ((packed));
999
1da177e4
LT		 1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
ff1d2767 1083static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1da177e4
LT		 1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1da177e4
LT		 1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1108static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1115 int whichbap);
b8c06bc1 1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1117 int whichbap);
b8c06bc1 1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
7d12e780 1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1141static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1146#endif /* CISCO_EXT */
1da177e4
LT		 1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
41480af2
DW		 1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
9e75af30
DW		 1155static void airo_networks_free(struct airo_info *ai);
1156
1da177e4 1157struct airo_info {
1da177e4 1158 struct net_device *dev;
af5b5c9a 1159 struct list_head dev_list;
1da177e4
LT		 1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
9e05a2df 1164 u32 fids[MAX_FIDS];
1da177e4
LT		 1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1da177e4
LT		 1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
3c304956 1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
3c304956
DW		 1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
b8c06bc1 1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
3b4c7d64
SB		 1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1da177e4 1206 struct semaphore sem;
1da177e4 1207 wait_queue_head_t thr_wait;
1da177e4
LT		 1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1da177e4 1214 struct iw_statistics wstats; // wireless stats
9e75af30 1215 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1da177e4 1218 /* MIC stuff */
f12cc209 1219 struct crypto_cipher *tfm;
1da177e4
LT		 1220 mic_module mod[2];
1221 mic_statistics micstats;
1da177e4
LT		 1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1cc68ae0 1232 pm_message_t power;
1da177e4
LT		 1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
9e75af30 1237
138c0c68
DW		 1238 int wep_capable;
1239 int max_wep_idx;
1240
3c304956
DW		 1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
9e75af30
DW		 1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1da177e4
LT		 1249};
1250
b8c06bc1
AV		 1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1da177e4
LT		 1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
ff1d2767
JM		 1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
934d8bf1 1268#define airo_print(type, name, fmt, args...) \
1138c37b 1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
faf3994a 1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1284
1da177e4
LT		 1285/***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
ff1d2767
JM		 1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1298
018697d1
DW		 1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1da177e4
LT		 1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
3c304956 1328 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
018697d1
DW		 1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1da177e4
LT		 1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
018697d1
DW		 1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1da177e4
LT		 1352 }
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
f12cc209 1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1362
f12cc209 1363 if (IS_ERR(ai->tfm)) {
934d8bf1 1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1365 ai->tfm = NULL;
1da177e4
LT		 1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
ff1d2767 1376static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1da177e4
LT		 1633{
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1da177e4
LT		 1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
e7c04fd3 1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
e7c04fd3 1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1654 j += 4;
1655 }
1656 }
1657}
1658
1659/* prepare for calculation of a new mic */
ff1d2767 1660static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1661{
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
ff1d2767 1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
593c2b9c 1686 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
593c2b9c 1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
ff1d2767 1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
593c2b9c 1724 val = ntohl(context->part.d32);
1da177e4
LT		 1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1da177e4
LT		 1742
1743static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1744 BSSListRid *list)
1745{
3c304956
DW		 1746 Cmd cmd;
1747 Resp rsp;
1da177e4
LT		 1748
1749 if (first == 1) {
3c304956
DW		 1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
3b4c7d64 1755 ai->list_bss_task = current;
3c304956
DW		 1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
3b4c7d64
SB		 1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
3c304956 1761 }
17e70491 1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1763 list, ai->bssListRidLen, 1);
1da177e4
LT		 1764}
1765
4293ea33
AV		 1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1769 wkr, sizeof(*wkr), lock);
1da177e4 1770}
1da177e4 1771
4293ea33
AV		 1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1778 if (perm) {
4293ea33
AV		 1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
934d8bf1 1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1782 }
1783 return rc;
1784}
1785
0dd2212f
AV		 1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1789}
1da177e4 1790
0dd2212f
AV		 1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1794}
0dd2212f 1795
3eb9b41f
AV		 1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1da177e4 1798 int rc;
1da177e4
LT		 1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1da177e4
LT		 1808 ai->config = cfg;
1809 return SUCCESS;
1810}
3eb9b41f
AV		 1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1da177e4
LT		 1814 int i;
1815/* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
3eb9b41f
AV		 1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1da177e4
LT		 1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
3eb9b41f 1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1da177e4
LT		 1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1da177e4 1844
329e2c00
AV		 1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1848}
a749716e
AV		 1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1853}
a749716e
AV		 1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1858}
1da177e4 1859
56d81bd3
AV		 1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1863}
1da177e4 1864
a23ace5f
AV		 1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1868}
1869
1c2b7db8
MS		 1870static void try_auto_wep(struct airo_info *ai)
1871{
1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1da177e4 1878static int airo_open(struct net_device *dev) {
faf3994a 1879 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1880 int rc = 0;
1da177e4 1881
1c2b7db8 1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1da177e4
LT		 1892 }
1893
1c2b7db8
MS		 1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1899
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1901 dev->name, dev);
1902 if (rc) {
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1905 dev->irq, rc);
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1908 return rc;
1909 }
1910
1da177e4 1911 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1914
1915 try_auto_wep(ai);
1da177e4 1916 }
175ec1a1 1917 enable_MAC(ai, 1);
1da177e4
LT		 1918
1919 netif_start_queue(dev);
1920 return 0;
1921}
1922
d0cf9c0d
SH		 1923static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1924 struct net_device *dev)
1925{
1da177e4
LT		 1926 int npacks, pending;
1927 unsigned long flags;
faf3994a 1928 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 1929
1930 if (!skb) {
c94c93da 1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
6ed10654 1932 return NETDEV_TX_OK;
1da177e4
LT		 1933 }
1934 npacks = skb_queue_len (&ai->txq);
1935
1936 if (npacks >= MAXTXQ - 1) {
1937 netif_stop_queue (dev);
1938 if (npacks > MAXTXQ) {
5d9276da 1939 dev->stats.tx_fifo_errors++;
5b548140 1940 return NETDEV_TX_BUSY;
1da177e4
LT		 1941 }
1942 skb_queue_tail (&ai->txq, skb);
6ed10654 1943 return NETDEV_TX_OK;
1da177e4
LT		 1944 }
1945
1946 spin_lock_irqsave(&ai->aux_lock, flags);
1947 skb_queue_tail (&ai->txq, skb);
1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 spin_unlock_irqrestore(&ai->aux_lock,flags);
1950 netif_wake_queue (dev);
1951
1952 if (pending == 0) {
1953 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1954 mpi_send_packet (dev);
1955 }
6ed10654 1956 return NETDEV_TX_OK;
1da177e4
LT		 1957}
1958
1959/*
1960 * @mpi_send_packet
1961 *
1962 * Attempt to transmit a packet. Can be called from interrupt
1963 * or transmit . return number of packets we tried to send
1964 */
1965
1966static int mpi_send_packet (struct net_device *dev)
1967{
1968 struct sk_buff *skb;
1969 unsigned char *buffer;
593c2b9c
AV		 1970 s16 len;
1971 __le16 *payloadLen;
faf3994a 1972 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 1973 u8 *sendbuf;
1974
1975 /* get a packet to send */
1976
79ea13ce 1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW		 1978 airo_print_err(dev->name,
1979 "%s: Dequeue'd zero in send_packet()",
c94c93da 1980 __func__);
1da177e4
LT		 1981 return 0;
1982 }
1983
1984 /* check min length*/
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1986 buffer = skb->data;
1987
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1992
1993/*
1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1996 * is immediatly after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
1999 */
2000
2001 memcpy((char *)ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2003
593c2b9c 2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT		 2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2008
2009 /*
2010 * Firmware automaticly puts 802 header on so
2011 * we don't need to account for it in the length
2012 */
1da177e4 2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT		 2015 MICBuffer pMic;
2016
2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2018 return ERROR;
2019
2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2021 ai->txfids[0].tx_desc.len += sizeof(pMic);
2022 /* copy data into airo dma buffer */
2023 memcpy (sendbuf, buffer, sizeof(etherHead));
2024 buffer += sizeof(etherHead);
2025 sendbuf += sizeof(etherHead);
2026 memcpy (sendbuf, &pMic, sizeof(pMic));
2027 sendbuf += sizeof(pMic);
2028 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2029 } else {
1da177e4
LT		 2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2031
2032 dev->trans_start = jiffies;
2033
2034 /* copy data into airo dma buffer */
2035 memcpy(sendbuf, buffer, len);
2036 }
2037
2038 memcpy_toio(ai->txfids[0].card_ram_off,
2039 &ai->txfids[0].tx_desc, sizeof(TxFid));
2040
2041 OUT4500(ai, EVACK, 8);
2042
2043 dev_kfree_skb_any(skb);
2044 return 1;
2045}
2046
29b09fcc 2047static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2048{
593c2b9c 2049 __le16 status;
1da177e4
LT		 2050
2051 if (fid < 0)
2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2053 else {
2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2055 return;
2056 bap_read(ai, &status, 2, BAP0);
2057 }
2058 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2059 ai->dev->stats.tx_aborted_errors++;
1da177e4 2060 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2061 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT		 2062 if (le16_to_cpu(status) & 8) /* Aid fail */
2063 { }
2064 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2065 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT		 2066 if (le16_to_cpu(status) & 0x20) /* Association lost */
2067 { }
2068 /* We produce a TXDROP event only for retry or lifetime
2069 * exceeded, because that's the only status that really mean
2070 * that this particular node went away.
2071 * Other errors means that *we* screwed up. - Jean II */
2072 if ((le16_to_cpu(status) & 2) ||
2073 (le16_to_cpu(status) & 4)) {
2074 union iwreq_data wrqu;
2075 char junk[0x18];
2076
2077 /* Faster to skip over useless data than to do
2078 * another bap_setup(). We are at offset 0x6 and
2079 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT		 2081
2082 /* Copy 802.11 dest address.
2083 * We use the 802.11 header because the frame may
2084 * not be 802.3 or may be mangled...
2085 * In Ad-Hoc mode, it will be the node address.
2086 * In managed mode, it will be most likely the AP addr
2087 * User space will figure out how to convert it to
2088 * whatever it needs (IP address or else).
2089 * - Jean II */
2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2091 wrqu.addr.sa_family = ARPHRD_ETHER;
2092
2093 /* Send event to user space */
2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 }
2096}
2097
2098static void airo_end_xmit(struct net_device *dev) {
2099 u16 status;
2100 int i;
faf3994a 2101 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2102 struct sk_buff *skb = priv->xmit.skb;
2103 int fid = priv->xmit.fid;
2104 u32 *fids = priv->fids;
2105
3c304956 2106 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2108 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 up(&priv->sem);
2110
2111 i = 0;
2112 if ( status == SUCCESS ) {
2113 dev->trans_start = jiffies;
2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2115 } else {
2116 priv->fids[fid] &= 0xffff;
5d9276da 2117 dev->stats.tx_window_errors++;
1da177e4
LT		 2118 }
2119 if (i < MAX_FIDS / 2)
2120 netif_wake_queue(dev);
2121 dev_kfree_skb(skb);
2122}
2123
d0cf9c0d
SH		 2124static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2125 struct net_device *dev)
2126{
1da177e4
LT		 2127 s16 len;
2128 int i, j;
faf3994a 2129 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2130 u32 *fids = priv->fids;
2131
2132 if ( skb == NULL ) {
c94c93da 2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2134 return NETDEV_TX_OK;
1da177e4
LT		 2135 }
2136
2137 /* Find a vacant FID */
2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2140
2141 if ( j >= MAX_FIDS / 2 ) {
2142 netif_stop_queue(dev);
2143
2144 if (i == MAX_FIDS / 2) {
5d9276da 2145 dev->stats.tx_fifo_errors++;
5b548140 2146 return NETDEV_TX_BUSY;
1da177e4
LT		 2147 }
2148 }
2149 /* check min length*/
2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2151 /* Mark fid as used & save length for later */
2152 fids[i] |= (len << 16);
2153 priv->xmit.skb = skb;
2154 priv->xmit.fid = i;
2155 if (down_trylock(&priv->sem) != 0) {
2156 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 netif_stop_queue(dev);
3c304956 2158 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2159 wake_up_interruptible(&priv->thr_wait);
2160 } else
2161 airo_end_xmit(dev);
6ed10654 2162 return NETDEV_TX_OK;
1da177e4
LT		 2163}
2164
2165static void airo_end_xmit11(struct net_device *dev) {
2166 u16 status;
2167 int i;
faf3994a 2168 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2169 struct sk_buff *skb = priv->xmit11.skb;
2170 int fid = priv->xmit11.fid;
2171 u32 *fids = priv->fids;
2172
3c304956 2173 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2175 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2176 up(&priv->sem);
2177
2178 i = MAX_FIDS / 2;
2179 if ( status == SUCCESS ) {
2180 dev->trans_start = jiffies;
2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2182 } else {
2183 priv->fids[fid] &= 0xffff;
5d9276da 2184 dev->stats.tx_window_errors++;
1da177e4
LT		 2185 }
2186 if (i < MAX_FIDS)
2187 netif_wake_queue(dev);
2188 dev_kfree_skb(skb);
2189}
2190
d0cf9c0d
SH		 2191static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2192 struct net_device *dev)
2193{
1da177e4
LT		 2194 s16 len;
2195 int i, j;
faf3994a 2196 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2197 u32 *fids = priv->fids;
2198
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200 /* Not implemented yet for MPI350 */
2201 netif_stop_queue(dev);
4153e775
PM		 2202 dev_kfree_skb_any(skb);
2203 return NETDEV_TX_OK;
1da177e4
LT		 2204 }
2205
2206 if ( skb == NULL ) {
c94c93da 2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2208 return NETDEV_TX_OK;
1da177e4
LT		 2209 }
2210
2211 /* Find a vacant FID */
2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2214
2215 if ( j >= MAX_FIDS ) {
2216 netif_stop_queue(dev);
2217
2218 if (i == MAX_FIDS) {
5d9276da 2219 dev->stats.tx_fifo_errors++;
5b548140 2220 return NETDEV_TX_BUSY;
1da177e4
LT		 2221 }
2222 }
2223 /* check min length*/
2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2225 /* Mark fid as used & save length for later */
2226 fids[i] |= (len << 16);
2227 priv->xmit11.skb = skb;
2228 priv->xmit11.fid = i;
2229 if (down_trylock(&priv->sem) != 0) {
2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 netif_stop_queue(dev);
3c304956 2232 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2233 wake_up_interruptible(&priv->thr_wait);
2234 } else
2235 airo_end_xmit11(dev);
6ed10654 2236 return NETDEV_TX_OK;
1da177e4
LT		 2237}
2238
5d9276da 2239static void airo_read_stats(struct net_device *dev)
a23ace5f 2240{
faf3994a 2241 struct airo_info *ai = dev->ml_priv;
1da177e4 2242 StatsRid stats_rid;
a23ace5f 2243 __le32 *vals = stats_rid.vals;
1da177e4 2244
3c304956 2245 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2246 if (ai->power.event) {
1da177e4
LT		 2247 up(&ai->sem);
2248 return;
2249 }
2250 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2251 up(&ai->sem);
2252
5d9276da 2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2254 le32_to_cpu(vals[45]);
5d9276da 2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2256 le32_to_cpu(vals[41]);
5d9276da
PZ		 2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ		 2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2262 dev->stats.tx_fifo_errors;
2263 dev->stats.multicast = le32_to_cpu(vals[43]);
2264 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT		 2265
2266 /* detailed rx_errors: */
5d9276da
PZ		 2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT		 2271}
2272
ff1d2767 2273static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4 2274{
faf3994a 2275 struct airo_info *local = dev->ml_priv;
1da177e4 2276
3c304956 2277 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2278 /* Get stats out of the card if available */
2279 if (down_trylock(&local->sem) != 0) {
3c304956 2280 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2281 wake_up_interruptible(&local->thr_wait);
2282 } else
5d9276da 2283 airo_read_stats(dev);
1da177e4
LT		 2284 }
2285
5d9276da 2286 return &dev->stats;
1da177e4
LT		 2287}
2288
2289static void airo_set_promisc(struct airo_info *ai) {
2290 Cmd cmd;
2291 Resp rsp;
2292
2293 memset(&cmd, 0, sizeof(cmd));
2294 cmd.cmd=CMD_SETMODE;
3c304956 2295 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2297 issuecommand(ai, &cmd, &rsp);
2298 up(&ai->sem);
2299}
2300
2301static void airo_set_multicast_list(struct net_device *dev) {
faf3994a 2302 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2303
2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2305 change_bit(FLAG_PROMISC, &ai->flags);
2306 if (down_trylock(&ai->sem) != 0) {
3c304956 2307 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2308 wake_up_interruptible(&ai->thr_wait);
2309 } else
2310 airo_set_promisc(ai);
2311 }
2312
2313 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2314 /* Turn on multicast. (Should be already setup...) */
2315 }
2316}
2317
2318static int airo_set_mac_address(struct net_device *dev, void *p)
2319{
faf3994a 2320 struct airo_info *ai = dev->ml_priv;
1da177e4 2321 struct sockaddr *addr = p;
1da177e4
LT		 2322
2323 readConfigRid(ai, 1);
2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2325 set_bit (FLAG_COMMIT, &ai->flags);
2326 disable_MAC(ai, 1);
2327 writeConfigRid (ai, 1);
175ec1a1 2328 enable_MAC(ai, 1);
1da177e4
LT		 2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2330 if (ai->wifidev)
2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2332 return 0;
2333}
2334
2335static int airo_change_mtu(struct net_device *dev, int new_mtu)
2336{
2337 if ((new_mtu < 68) || (new_mtu > 2400))
2338 return -EINVAL;
2339 dev->mtu = new_mtu;
2340 return 0;
2341}
2342
af5b5c9a
MS		 2343static LIST_HEAD(airo_devices);
2344
2345static void add_airo_dev(struct airo_info *ai)
2346{
2347 /* Upper layers already keep track of PCI devices,
2348 * so we only need to remember our non-PCI cards. */
2349 if (!ai->pci)
2350 list_add_tail(&ai->dev_list, &airo_devices);
2351}
2352
2353static void del_airo_dev(struct airo_info *ai)
2354{
2355 if (!ai->pci)
2356 list_del(&ai->dev_list);
2357}
1da177e4
LT		 2358
2359static int airo_close(struct net_device *dev) {
faf3994a 2360 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2361
2362 netif_stop_queue(dev);
2363
2364 if (ai->wifidev != dev) {
2365#ifdef POWER_ON_DOWN
2366 /* Shut power to the card. The idea is that the user can save
2367 * power when he doesn't need the card with "ifconfig down".
2368 * That's the method that is most friendly towards the network
2369 * stack (i.e. the network stack won't try to broadcast
2370 * anything on the interface and routes are gone. Jean II */
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2372 disable_MAC(ai, 1);
2373#endif
2374 disable_interrupts( ai );
1c2b7db8
MS		 2375
2376 free_irq(dev->irq, dev);
2377
2378 set_bit(JOB_DIE, &ai->jobs);
2379 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2380 }
2381 return 0;
2382}
2383
1da177e4
LT		 2384void stop_airo_card( struct net_device *dev, int freeres )
2385{
faf3994a 2386 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2387
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2389 disable_MAC(ai, 1);
2390 disable_interrupts(ai);
1da177e4
LT		 2391 takedown_proc_entry( dev, ai );
2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2393 unregister_netdev( dev );
2394 if (ai->wifidev) {
2395 unregister_netdev(ai->wifidev);
2396 free_netdev(ai->wifidev);
2397 ai->wifidev = NULL;
2398 }
2399 clear_bit(FLAG_REGISTERED, &ai->flags);
2400 }
1da177e4
LT		 2401 /*
2402 * Clean out tx queue
2403 */
b03efcfb 2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2405 struct sk_buff *skb = NULL;
2406 for (;(skb = skb_dequeue(&ai->txq));)
2407 dev_kfree_skb(skb);
2408 }
2409
9e75af30
DW		 2410 airo_networks_free (ai);
2411
b4558ea9
JJ		 2412 kfree(ai->flash);
2413 kfree(ai->rssi);
2414 kfree(ai->APList);
2415 kfree(ai->SSID);
1da177e4
LT		 2416 if (freeres) {
2417 /* PCMCIA frees this stuff, so only for PCI and ISA */
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2420 if (ai->pci)
2421 mpi_unmap_card(ai->pci);
2422 if (ai->pcimem)
2423 iounmap(ai->pcimem);
2424 if (ai->pciaux)
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2428 }
2429 }
f12cc209 2430 crypto_free_cipher(ai->tfm);
af5b5c9a 2431 del_airo_dev(ai);
1da177e4
LT		 2432 free_netdev( dev );
2433}
2434
2435EXPORT_SYMBOL(stop_airo_card);
2436
b95cce35 2437static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2438{
98e399f8 2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2440 return ETH_ALEN;
2441}
2442
2443static void mpi_unmap_card(struct pci_dev *pci)
2444{
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2449
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2452}
2453
2454/*************************************************************
2455 * This routine assumes that descriptors have been setup .
2456 * Run at insmod time or after reset when the decriptors
2457 * have been initialized . Returns 0 if all is well nz
2458 * otherwise . Does not allocate memory but sets up card
2459 * using previously allocated descriptors.
2460 */
2461static int mpi_init_descriptors (struct airo_info *ai)
2462{
2463 Cmd cmd;
2464 Resp rsp;
2465 int i;
2466 int rc = SUCCESS;
2467
2468 /* Alloc card RX descriptors */
2469 netif_stop_queue(ai->dev);
2470
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2473
2474 cmd.cmd = CMD_ALLOCATEAUX;
2475 cmd.parm0 = FID_RX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
934d8bf1 2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2481 return rc;
2482 }
2483
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2487 }
2488
2489 /* Alloc card TX descriptors */
2490
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2493
2494 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm0 = FID_TX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2498
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2503 }
2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2505
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
934d8bf1 2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2509 return rc;
2510 }
2511
2512 /* Alloc card Rid descriptor */
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2515
2516 cmd.cmd = CMD_ALLOCATEAUX;
2517 cmd.parm0 = RID_RW;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1; /* Magic number... */
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
934d8bf1 2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2523 return rc;
2524 }
2525
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2528
2529 return rc;
2530}
2531
2532/*
2533 * We are setting up three things here:
2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2535 * 2) Map PCI memory for issueing commands.
2536 * 3) Allocate memory (shared) to send and receive ethernet frames.
2537 */
1138c37b 2538static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2539{
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2541 int rc = -1;
2542 int i;
2759c8d5
JG		 2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
1da177e4
LT		 2545 unsigned char __iomem *pciaddroff;
2546
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2551
1138c37b
MS		 2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
1da177e4
LT		 2555 goto out;
2556 }
1138c37b
MS		 2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
1da177e4
LT		 2560 goto free_region1;
2561 }
2562
2563 ai->pcimem = ioremap(mem_start, mem_len);
2564 if (!ai->pcimem) {
1138c37b
MS		 2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
1da177e4
LT		 2567 goto free_region2;
2568 }
2569 ai->pciaux = ioremap(aux_start, aux_len);
2570 if (!ai->pciaux) {
1138c37b
MS		 2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
1da177e4
LT		 2573 goto free_memmap;
2574 }
2575
2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2578 if (!ai->shared) {
1138c37b
MS		 2579 airo_print_err("", "Couldn't alloc_consistent %d",
2580 PCI_SHARED_LEN);
1da177e4
LT		 2581 goto free_auxmap;
2582 }
2583
2584 /*
2585 * Setup descriptor RX, TX, CONFIG
2586 */
2759c8d5 2587 busaddroff = ai->shared_dma;
1da177e4
LT		 2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2590
2591 /* RX descriptor setup */
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2600
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2604 }
2605
2606 /* TX descriptor setup */
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2614
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2618 }
2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2620
2621 /* Rid descriptor setup */
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
1da177e4
LT		 2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2632
2633 /* Tell card about descriptors */
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2635 goto free_shared;
2636
2637 return 0;
2638 free_shared:
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2640 free_auxmap:
2641 iounmap(ai->pciaux);
2642 free_memmap:
2643 iounmap(ai->pcimem);
2644 free_region2:
2645 release_mem_region(aux_start, aux_len);
2646 free_region1:
2647 release_mem_region(mem_start, mem_len);
2648 out:
2649 return rc;
2650}
2651
3b04ddde
SH		 2652static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2654};
2655
7ae41cc3
SH		 2656static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663 .ndo_change_mtu = airo_change_mtu,
2664};
2665
1da177e4
LT		 2666static void wifi_setup(struct net_device *dev)
2667{
7ae41cc3 2668 dev->netdev_ops = &airo11_netdev_ops;
3b04ddde 2669 dev->header_ops = &airo_header_ops;
1da177e4 2670 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2671
2672 dev->type = ARPHRD_IEEE80211;
2673 dev->hard_header_len = ETH_HLEN;
15db2763 2674 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2675 dev->addr_len = ETH_ALEN;
2676 dev->tx_queue_len = 100;
2677
2678 memset(dev->broadcast,0xFF, ETH_ALEN);
2679
2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2681}
2682
2683static struct net_device *init_wifidev(struct airo_info *ai,
2684 struct net_device *ethdev)
2685{
2686 int err;
2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2688 if (!dev)
2689 return NULL;
faf3994a 2690 dev->ml_priv = ethdev->ml_priv;
1da177e4
LT		 2691 dev->irq = ethdev->irq;
2692 dev->base_addr = ethdev->base_addr;
1da177e4 2693 dev->wireless_data = ethdev->wireless_data;
229ce3ab 2694 SET_NETDEV_DEV(dev, ethdev->dev.parent);
1da177e4
LT		 2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2696 err = register_netdev(dev);
2697 if (err<0) {
2698 free_netdev(dev);
2699 return NULL;
2700 }
2701 return dev;
2702}
2703
ff1d2767 2704static int reset_card( struct net_device *dev , int lock) {
faf3994a 2705 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2706
2707 if (lock && down_interruptible(&ai->sem))
2708 return -1;
2709 waitbusy (ai);
2710 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2711 msleep(200);
2712 waitbusy (ai);
2713 msleep(200);
2714 if (lock)
2715 up(&ai->sem);
2716 return 0;
2717}
2718
3c304956 2719#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2720static int airo_networks_allocate(struct airo_info *ai)
2721{
2722 if (ai->networks)
2723 return 0;
2724
2725 ai->networks =
3c304956 2726 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2727 GFP_KERNEL);
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
DW		 2877
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
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);
af5b5c9a 2933 del_airo_dev(ai);
1da177e4
LT		 2934err_out_free:
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
3195 switch (status) {
3196 case STAT_NOBEACON:
3197 airo_print_dbg(devname, "link lost (missed beacons)");
3198 break;
3199 case STAT_MAXRETRIES:
3200 case STAT_MAXARL:
3201 airo_print_dbg(devname, "link lost (max retries)");
3202 break;
3203 case STAT_FORCELOSS:
3204 airo_print_dbg(devname, "link lost (local choice)");
3205 break;
3206 case STAT_TSFSYNC:
3207 airo_print_dbg(devname, "link lost (TSF sync lost)");
3208 break;
3209 case STAT_DEAUTH:
3210 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3211 break;
3212 case STAT_DISASSOC:
3213 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3214 break;
3215 case STAT_ASSOC_FAIL:
3216 airo_print_dbg(devname, "association failed (reason: %d)",
3217 reason);
3218 break;
3219 case STAT_AUTH_FAIL:
3220 airo_print_dbg(devname, "authentication failed (reason: %d)",
3221 reason);
3222 break;
3223 default:
3224 break;
3225 }
3226}
3227
3228static void airo_handle_link(struct airo_info *ai)
3229{
3230 union iwreq_data wrqu;
3231 int scan_forceloss = 0;
1da177e4 3232 u16 status;
f55d4517
DW		 3233
3234 /* Get new status and acknowledge the link change */
3235 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3236 OUT4500(ai, EVACK, EV_LINK);
3237
3238 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3239 scan_forceloss = 1;
3240
3241 airo_print_status(ai->dev->name, status);
3242
3243 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3244 if (auto_wep)
3245 ai->expires = 0;
3246 if (ai->list_bss_task)
3247 wake_up_process(ai->list_bss_task);
3248 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3249 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3250
3251 if (down_trylock(&ai->sem) != 0) {
3252 set_bit(JOB_EVENT, &ai->jobs);
3253 wake_up_interruptible(&ai->thr_wait);
3254 } else
3255 airo_send_event(ai->dev);
3256 } else if (!scan_forceloss) {
3257 if (auto_wep && !ai->expires) {
3258 ai->expires = RUN_AT(3*HZ);
3259 wake_up_interruptible(&ai->thr_wait);
3260 }
3261
3262 /* Send event to user space */
3263 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3264 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3265 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3266 }
3267}
3268
3269static void airo_handle_rx(struct airo_info *ai)
3270{
3271 struct sk_buff *skb = NULL;
3272 __le16 fc, v, *buffer, tmpbuf[4];
3273 u16 len, hdrlen = 0, gap, fid;
3274 struct rx_hdr hdr;
3275 int success = 0;
3276
3277 if (test_bit(FLAG_MPI, &ai->flags)) {
3278 if (test_bit(FLAG_802_11, &ai->flags))
3279 mpi_receive_802_11(ai);
3280 else
3281 mpi_receive_802_3(ai);
3282 OUT4500(ai, EVACK, EV_RX);
3283 return;
3284 }
3285
3286 fid = IN4500(ai, RXFID);
3287
3288 /* Get the packet length */
3289 if (test_bit(FLAG_802_11, &ai->flags)) {
3290 bap_setup (ai, fid, 4, BAP0);
3291 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3292 /* Bad CRC. Ignore packet */
3293 if (le16_to_cpu(hdr.status) & 2)
3294 hdr.len = 0;
3295 if (ai->wifidev == NULL)
3296 hdr.len = 0;
3297 } else {
3298 bap_setup(ai, fid, 0x36, BAP0);
3299 bap_read(ai, &hdr.len, 2, BAP0);
3300 }
3301 len = le16_to_cpu(hdr.len);
3302
3303 if (len > AIRO_DEF_MTU) {
3304 airo_print_err(ai->dev->name, "Bad size %d", len);
3305 goto done;
3306 }
3307 if (len == 0)
3308 goto done;
3309
3310 if (test_bit(FLAG_802_11, &ai->flags)) {
3311 bap_read(ai, &fc, sizeof (fc), BAP0);
3312 hdrlen = header_len(fc);
3313 } else
3314 hdrlen = ETH_ALEN * 2;
3315
3316 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3317 if (!skb) {
3318 ai->dev->stats.rx_dropped++;
3319 goto done;
3320 }
3321
3322 skb_reserve(skb, 2); /* This way the IP header is aligned */
3323 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3324 if (test_bit(FLAG_802_11, &ai->flags)) {
3325 buffer[0] = fc;
3326 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3327 if (hdrlen == 24)
3328 bap_read(ai, tmpbuf, 6, BAP0);
3329
3330 bap_read(ai, &v, sizeof(v), BAP0);
3331 gap = le16_to_cpu(v);
3332 if (gap) {
3333 if (gap <= 8) {
3334 bap_read(ai, tmpbuf, gap, BAP0);
3335 } else {
3336 airo_print_err(ai->dev->name, "gaplen too "
3337 "big. Problems will follow...");
3338 }
3339 }
3340 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3341 } else {
3342 MICBuffer micbuf;
3343
3344 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3345 if (ai->micstats.enabled) {
3346 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3347 if (ntohs(micbuf.typelen) > 0x05DC)
3348 bap_setup(ai, fid, 0x44, BAP0);
3349 else {
3350 if (len <= sizeof (micbuf)) {
3351 dev_kfree_skb_irq(skb);
3352 goto done;
3353 }
3354
3355 len -= sizeof(micbuf);
3356 skb_trim(skb, len + hdrlen);
3357 }
3358 }
3359
3360 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3361 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3362 dev_kfree_skb_irq (skb);
3363 else
3364 success = 1;
3365 }
3366
3367#ifdef WIRELESS_SPY
3368 if (success && (ai->spy_data.spy_number > 0)) {
3369 char *sa;
3370 struct iw_quality wstats;
3371
3372 /* Prepare spy data : addr + qual */
3373 if (!test_bit(FLAG_802_11, &ai->flags)) {
3374 sa = (char *) buffer + 6;
3375 bap_setup(ai, fid, 8, BAP0);
3376 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3377 } else
3378 sa = (char *) buffer + 10;
3379 wstats.qual = hdr.rssi[0];
3380 if (ai->rssi)
3381 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3382 else
3383 wstats.level = (hdr.rssi[1] + 321) / 2;
3384 wstats.noise = ai->wstats.qual.noise;
3385 wstats.updated = IW_QUAL_LEVEL_UPDATED
3386 | IW_QUAL_QUAL_UPDATED
3387 | IW_QUAL_DBM;
3388 /* Update spy records */
3389 wireless_spy_update(ai->dev, sa, &wstats);
3390 }
3391#endif /* WIRELESS_SPY */
3392
3393done:
3394 OUT4500(ai, EVACK, EV_RX);
3395
3396 if (success) {
3397 if (test_bit(FLAG_802_11, &ai->flags)) {
3398 skb_reset_mac_header(skb);
3399 skb->pkt_type = PACKET_OTHERHOST;
3400 skb->dev = ai->wifidev;
3401 skb->protocol = htons(ETH_P_802_2);
3402 } else
3403 skb->protocol = eth_type_trans(skb, ai->dev);
3404 skb->ip_summed = CHECKSUM_NONE;
3405
3406 netif_rx(skb);
3407 }
3408}
3409
3410static void airo_handle_tx(struct airo_info *ai, u16 status)
3411{
3412 int i, len = 0, index = -1;
1da177e4 3413 u16 fid;
f55d4517
DW		 3414
3415 if (test_bit(FLAG_MPI, &ai->flags)) {
3416 unsigned long flags;
3417
3418 if (status & EV_TXEXC)
3419 get_tx_error(ai, -1);
3420
3421 spin_lock_irqsave(&ai->aux_lock, flags);
3422 if (!skb_queue_empty(&ai->txq)) {
3423 spin_unlock_irqrestore(&ai->aux_lock,flags);
3424 mpi_send_packet(ai->dev);
3425 } else {
3426 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3427 spin_unlock_irqrestore(&ai->aux_lock,flags);
3428 netif_wake_queue(ai->dev);
3429 }
3430 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3431 return;
3432 }
3433
3434 fid = IN4500(ai, TXCOMPLFID);
3435
3436 for(i = 0; i < MAX_FIDS; i++) {
3437 if ((ai->fids[i] & 0xffff) == fid) {
3438 len = ai->fids[i] >> 16;
3439 index = i;
3440 }
3441 }
3442
3443 if (index != -1) {
3444 if (status & EV_TXEXC)
3445 get_tx_error(ai, index);
3446
3447 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3448
3449 /* Set up to be used again */
3450 ai->fids[index] &= 0xffff;
3451 if (index < MAX_FIDS / 2) {
3452 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3453 netif_wake_queue(ai->dev);
3454 } else {
3455 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3456 netif_wake_queue(ai->wifidev);
3457 }
3458 } else {
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3460 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3461 }
3462}
3463
3464static irqreturn_t airo_interrupt(int irq, void *dev_id)
3465{
3466 struct net_device *dev = dev_id;
3467 u16 status, savedInterrupts = 0;
3468 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 3469 int handled = 0;
3470
3471 if (!netif_device_present(dev))
3472 return IRQ_NONE;
3473
3474 for (;;) {
f55d4517
DW		 3475 status = IN4500(ai, EVSTAT);
3476 if (!(status & STATUS_INTS) || (status == 0xffff))
3477 break;
1da177e4
LT		 3478
3479 handled = 1;
3480
f55d4517
DW		 3481 if (status & EV_AWAKE) {
3482 OUT4500(ai, EVACK, EV_AWAKE);
3483 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT		 3484 }
3485
3486 if (!savedInterrupts) {
f55d4517
DW		 3487 savedInterrupts = IN4500(ai, EVINTEN);
3488 OUT4500(ai, EVINTEN, 0);
1da177e4
LT		 3489 }
3490
f55d4517
DW		 3491 if (status & EV_MIC) {
3492 OUT4500(ai, EVACK, EV_MIC);
3493 airo_handle_cisco_mic(ai);
1da177e4 3494 }
1da177e4 3495
f55d4517
DW		 3496 if (status & EV_LINK) {
3497 /* Link status changed */
3498 airo_handle_link(ai);
1da177e4
LT		 3499 }
3500
3501 /* Check to see if there is something to receive */
f55d4517
DW		 3502 if (status & EV_RX)
3503 airo_handle_rx(ai);
1da177e4
LT		 3504
3505 /* Check to see if a packet has been transmitted */
f55d4517
DW		 3506 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3507 airo_handle_tx(ai, status);
1da177e4 3508
f55d4517
DW		 3509 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3510 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3511 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3512 }
1da177e4
LT		 3513 }
3514
3515 if (savedInterrupts)
f55d4517 3516 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3517
1da177e4
LT		 3518 return IRQ_RETVAL(handled);
3519}
3520
3521/*
3522 * Routines to talk to the card
3523 */
3524
3525/*
3526 * This was originally written for the 4500, hence the name
3527 * NOTE: If use with 8bit mode and SMP bad things will happen!
3528 * Why would some one do 8 bit IO in an SMP machine?!?
3529 */
3530static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3531 if (test_bit(FLAG_MPI,&ai->flags))
3532 reg <<= 1;
3533 if ( !do8bitIO )
3534 outw( val, ai->dev->base_addr + reg );
3535 else {
3536 outb( val & 0xff, ai->dev->base_addr + reg );
3537 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3538 }
3539}
3540
3541static u16 IN4500( struct airo_info *ai, u16 reg ) {
3542 unsigned short rc;
3543
3544 if (test_bit(FLAG_MPI,&ai->flags))
3545 reg <<= 1;
3546 if ( !do8bitIO )
3547 rc = inw( ai->dev->base_addr + reg );
3548 else {
3549 rc = inb( ai->dev->base_addr + reg );
3550 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3551 }
3552 return rc;
3553}
3554
175ec1a1
MS		 3555static int enable_MAC(struct airo_info *ai, int lock)
3556{
1da177e4 3557 int rc;
175ec1a1
MS		 3558 Cmd cmd;
3559 Resp rsp;
1da177e4
LT		 3560
3561 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3562 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3563 * Note : we could try to use !netif_running(dev) in enable_MAC()
3564 * instead of this flag, but I don't trust it *within* the
3565 * open/close functions, and testing both flags together is
3566 * "cheaper" - Jean II */
3567 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3568
3569 if (lock && down_interruptible(&ai->sem))
3570 return -ERESTARTSYS;
3571
3572 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_ENABLE;
175ec1a1 3575 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3576 if (rc == SUCCESS)
3577 set_bit(FLAG_ENABLED, &ai->flags);
3578 } else
3579 rc = SUCCESS;
3580
3581 if (lock)
3582 up(&ai->sem);
3583
3584 if (rc)
175ec1a1
MS		 3585 airo_print_err(ai->dev->name, "Cannot enable MAC");
3586 else if ((rsp.status & 0xFF00) != 0) {
3587 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3588 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3589 rc = ERROR;
3590 }
1da177e4
LT		 3591 return rc;
3592}
3593
3594static void disable_MAC( struct airo_info *ai, int lock ) {
3595 Cmd cmd;
3596 Resp rsp;
3597
3598 if (lock && down_interruptible(&ai->sem))
3599 return;
3600
3601 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3602 memset(&cmd, 0, sizeof(cmd));
3603 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3604 issuecommand(ai, &cmd, &rsp);
3605 clear_bit(FLAG_ENABLED, &ai->flags);
3606 }
3607 if (lock)
3608 up(&ai->sem);
3609}
3610
3611static void enable_interrupts( struct airo_info *ai ) {
3612 /* Enable the interrupts */
3613 OUT4500( ai, EVINTEN, STATUS_INTS );
3614}
3615
3616static void disable_interrupts( struct airo_info *ai ) {
3617 OUT4500( ai, EVINTEN, 0 );
3618}
3619
3620static void mpi_receive_802_3(struct airo_info *ai)
3621{
3622 RxFid rxd;
3623 int len = 0;
3624 struct sk_buff *skb;
3625 char *buffer;
1da177e4
LT		 3626 int off = 0;
3627 MICBuffer micbuf;
1da177e4
LT		 3628
3629 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3630 /* Make sure we got something */
3631 if (rxd.rdy && rxd.valid == 0) {
3632 len = rxd.len + 12;
3633 if (len < 12 || len > 2048)
3634 goto badrx;
3635
3636 skb = dev_alloc_skb(len);
3637 if (!skb) {
5d9276da 3638 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3639 goto badrx;
3640 }
3641 buffer = skb_put(skb,len);
1da177e4
LT		 3642 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3643 if (ai->micstats.enabled) {
3644 memcpy(&micbuf,
3645 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3646 sizeof(micbuf));
3647 if (ntohs(micbuf.typelen) <= 0x05DC) {
3648 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3649 goto badmic;
3650
3651 off = sizeof(micbuf);
3652 skb_trim (skb, len - off);
3653 }
3654 }
3655 memcpy(buffer + ETH_ALEN * 2,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3657 len - ETH_ALEN * 2 - off);
3658 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3659badmic:
3660 dev_kfree_skb_irq (skb);
3661 goto badrx;
3662 }
1da177e4
LT		 3663#ifdef WIRELESS_SPY
3664 if (ai->spy_data.spy_number > 0) {
3665 char *sa;
3666 struct iw_quality wstats;
3667 /* Prepare spy data : addr + qual */
3668 sa = buffer + ETH_ALEN;
3669 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3670 wstats.level = 0;
3671 wstats.updated = 0;
3672 /* Update spy records */
3673 wireless_spy_update(ai->dev, sa, &wstats);
3674 }
3675#endif /* WIRELESS_SPY */
3676
1da177e4
LT		 3677 skb->ip_summed = CHECKSUM_NONE;
3678 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT		 3679 netif_rx(skb);
3680 }
3681badrx:
3682 if (rxd.valid == 0) {
3683 rxd.valid = 1;
3684 rxd.rdy = 0;
3685 rxd.len = PKTSIZE;
3686 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3687 }
3688}
3689
2ed5ba89 3690static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT		 3691{
3692 RxFid rxd;
3693 struct sk_buff *skb = NULL;
0300b332
AV		 3694 u16 len, hdrlen = 0;
3695 __le16 fc;
f55d4517 3696 struct rx_hdr hdr;
1da177e4
LT		 3697 u16 gap;
3698 u16 *buffer;
f55d4517 3699 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT		 3700
3701 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3702 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3703 ptr += sizeof(hdr);
3704 /* Bad CRC. Ignore packet */
3705 if (le16_to_cpu(hdr.status) & 2)
3706 hdr.len = 0;
3707 if (ai->wifidev == NULL)
3708 hdr.len = 0;
3709 len = le16_to_cpu(hdr.len);
15db2763 3710 if (len > AIRO_DEF_MTU) {
934d8bf1 3711 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3712 goto badrx;
3713 }
3714 if (len == 0)
3715 goto badrx;
3716
0300b332
AV		 3717 fc = get_unaligned((__le16 *)ptr);
3718 hdrlen = header_len(fc);
1da177e4
LT		 3719
3720 skb = dev_alloc_skb( len + hdrlen + 2 );
3721 if ( !skb ) {
5d9276da 3722 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3723 goto badrx;
3724 }
3725 buffer = (u16*)skb_put (skb, len + hdrlen);
3726 memcpy ((char *)buffer, ptr, hdrlen);
3727 ptr += hdrlen;
3728 if (hdrlen == 24)
3729 ptr += 6;
533dd1b0 3730 gap = get_unaligned_le16(ptr);
593c2b9c 3731 ptr += sizeof(__le16);
1da177e4
LT		 3732 if (gap) {
3733 if (gap <= 8)
3734 ptr += gap;
3735 else
934d8bf1
DW		 3736 airo_print_err(ai->dev->name,
3737 "gaplen too big. Problems will follow...");
1da177e4
LT		 3738 }
3739 memcpy ((char *)buffer + hdrlen, ptr, len);
3740 ptr += len;
3741#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3742 if (ai->spy_data.spy_number > 0) {
3743 char *sa;
3744 struct iw_quality wstats;
3745 /* Prepare spy data : addr + qual */
3746 sa = (char*)buffer + 10;
3747 wstats.qual = hdr.rssi[0];
3748 if (ai->rssi)
3749 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3750 else
3751 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3752 wstats.noise = ai->wstats.qual.noise;
3753 wstats.updated = IW_QUAL_QUAL_UPDATED
3754 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3755 | IW_QUAL_DBM;
1da177e4
LT		 3756 /* Update spy records */
3757 wireless_spy_update(ai->dev, sa, &wstats);
3758 }
3759#endif /* IW_WIRELESS_SPY */
459a98ed 3760 skb_reset_mac_header(skb);
1da177e4
LT		 3761 skb->pkt_type = PACKET_OTHERHOST;
3762 skb->dev = ai->wifidev;
3763 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT		 3764 skb->ip_summed = CHECKSUM_NONE;
3765 netif_rx( skb );
f55d4517 3766
1da177e4
LT		 3767badrx:
3768 if (rxd.valid == 0) {
3769 rxd.valid = 1;
3770 rxd.rdy = 0;
3771 rxd.len = PKTSIZE;
3772 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3773 }
3774}
3775
3776static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3777{
3778 Cmd cmd;
3779 Resp rsp;
3780 int status;
1da177e4 3781 SsidRid mySsid;
4293ea33 3782 __le16 lastindex;
1da177e4
LT		 3783 WepKeyRid wkr;
3784 int rc;
3785
3786 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3787 kfree (ai->flash);
3788 ai->flash = NULL;
1da177e4
LT		 3789
3790 /* The NOP is the first step in getting the card going */
3791 cmd.cmd = NOP;
3792 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3793 if (lock && down_interruptible(&ai->sem))
3794 return ERROR;
3795 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3796 if (lock)
3797 up(&ai->sem);
3798 return ERROR;
3799 }
3800 disable_MAC( ai, 0);
3801
3802 // Let's figure out if we need to use the AUX port
3803 if (!test_bit(FLAG_MPI,&ai->flags)) {
3804 cmd.cmd = CMD_ENABLEAUX;
3805 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3806 if (lock)
3807 up(&ai->sem);
934d8bf1 3808 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3809 return ERROR;
3810 }
3811 if (!aux_bap || rsp.status & 0xff00) {
3812 ai->bap_read = fast_bap_read;
934d8bf1 3813 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3814 } else {
3815 ai->bap_read = aux_bap_read;
934d8bf1 3816 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3817 }
3818 }
3819 if (lock)
3820 up(&ai->sem);
3821 if (ai->config.len == 0) {
49c4a5dc 3822 int i;
1da177e4
LT		 3823 tdsRssiRid rssi_rid;
3824 CapabilityRid cap_rid;
3825
b4558ea9
JJ		 3826 kfree(ai->APList);
3827 ai->APList = NULL;
3828 kfree(ai->SSID);
3829 ai->SSID = NULL;
1da177e4
LT		 3830 // general configuration (read/modify/write)
3831 status = readConfigRid(ai, lock);
3832 if ( status != SUCCESS ) return ERROR;
3833
3834 status = readCapabilityRid(ai, &cap_rid, lock);
3835 if ( status != SUCCESS ) return ERROR;
3836
3837 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3838 if ( status == SUCCESS ) {
3839 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3840 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3841 }
3842 else {
b4558ea9
JJ		 3843 kfree(ai->rssi);
3844 ai->rssi = NULL;
56d81bd3 3845 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3846 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3847 else
934d8bf1
DW		 3848 airo_print_warn(ai->dev->name, "unknown received signal "
3849 "level scale");
1da177e4
LT		 3850 }
3851 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3852 ai->config.authType = AUTH_OPEN;
3853 ai->config.modulation = MOD_CCK;
3854
56d81bd3 3855 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3856 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3857 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3858 ai->config.opmode |= MODE_MIC;
3859 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3860 }
1da177e4
LT		 3861
3862 /* Save off the MAC */
3863 for( i = 0; i < ETH_ALEN; i++ ) {
3864 mac[i] = ai->config.macAddr[i];
3865 }
3866
3867 /* Check to see if there are any insmod configured
3868 rates to add */
3869 if ( rates[0] ) {
1da177e4
LT		 3870 memset(ai->config.rates,0,sizeof(ai->config.rates));
3871 for( i = 0; i < 8 && rates[i]; i++ ) {
3872 ai->config.rates[i] = rates[i];
3873 }
3874 }
3875 if ( basic_rate > 0 ) {
1da177e4
LT		 3876 for( i = 0; i < 8; i++ ) {
3877 if ( ai->config.rates[i] == basic_rate ||
3878 !ai->config.rates ) {
3879 ai->config.rates[i] = basic_rate | 0x80;
3880 break;
3881 }
3882 }
3883 }
3884 set_bit (FLAG_COMMIT, &ai->flags);
3885 }
3886
3887 /* Setup the SSIDs if present */
3888 if ( ssids[0] ) {
3889 int i;
3890 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3891 size_t len = strlen(ssids[i]);
3892 if (len > 32)
3893 len = 32;
3894 mySsid.ssids[i].len = cpu_to_le16(len);
3895 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3896 }
0dd2212f 3897 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3898 }
3899
3900 status = writeConfigRid(ai, lock);
3901 if ( status != SUCCESS ) return ERROR;
3902
3903 /* Set up the SSID list */
3904 if ( ssids[0] ) {
3905 status = writeSsidRid(ai, &mySsid, lock);
3906 if ( status != SUCCESS ) return ERROR;
3907 }
3908
175ec1a1
MS		 3909 status = enable_MAC(ai, lock);
3910 if (status != SUCCESS)
1da177e4 3911 return ERROR;
1da177e4
LT		 3912
3913 /* Grab the initial wep key, we gotta save it for auto_wep */
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
4293ea33 3917 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3918 ai->defindex = wkr.mac[0];
3919 }
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3922
1c2b7db8 3923 try_auto_wep(ai);
1da177e4
LT		 3924
3925 return SUCCESS;
3926}
3927
3928static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3929 // Im really paranoid about letting it run forever!
3930 int max_tries = 600000;
3931
3932 if (IN4500(ai, EVSTAT) & EV_CMD)
3933 OUT4500(ai, EVACK, EV_CMD);
3934
3935 OUT4500(ai, PARAM0, pCmd->parm0);
3936 OUT4500(ai, PARAM1, pCmd->parm1);
3937 OUT4500(ai, PARAM2, pCmd->parm2);
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3939
3940 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3941 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3942 // PC4500 didn't notice command, try again
3943 OUT4500(ai, COMMAND, pCmd->cmd);
3944 if (!in_atomic() && (max_tries & 255) == 0)
3945 schedule();
3946 }
3947
3948 if ( max_tries == -1 ) {
934d8bf1
DW		 3949 airo_print_err(ai->dev->name,
3950 "Max tries exceeded when issueing command");
1da177e4
LT		 3951 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3953 return ERROR;
3954 }
3955
3956 // command completed
3957 pRsp->status = IN4500(ai, STATUS);
3958 pRsp->rsp0 = IN4500(ai, RESP0);
3959 pRsp->rsp1 = IN4500(ai, RESP1);
3960 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3961 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3962 airo_print_err(ai->dev->name,
3963 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3964 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3965 pRsp->rsp2);
1da177e4
LT		 3966
3967 // clear stuck command busy if necessary
3968 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3970 }
3971 // acknowledge processing the status/response
3972 OUT4500(ai, EVACK, EV_CMD);
3973
3974 return SUCCESS;
3975}
3976
3977/* Sets up the bap to start exchange data. whichbap should
3978 * be one of the BAP0 or BAP1 defines. Locks should be held before
3979 * calling! */
3980static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3981{
3982 int timeout = 50;
3983 int max_tries = 3;
3984
3985 OUT4500(ai, SELECT0+whichbap, rid);
3986 OUT4500(ai, OFFSET0+whichbap, offset);
3987 while (1) {
3988 int status = IN4500(ai, OFFSET0+whichbap);
3989 if (status & BAP_BUSY) {
3990 /* This isn't really a timeout, but its kinda
3991 close */
3992 if (timeout--) {
3993 continue;
3994 }
3995 } else if ( status & BAP_ERR ) {
3996 /* invalid rid or offset */
934d8bf1 3997 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3998 status, whichbap );
3999 return ERROR;
4000 } else if (status & BAP_DONE) { // success
4001 return SUCCESS;
4002 }
4003 if ( !(max_tries--) ) {
934d8bf1 4004 airo_print_err(ai->dev->name,
1138c37b 4005 "BAP setup error too many retries\n");
1da177e4
LT		 4006 return ERROR;
4007 }
4008 // -- PC4500 missed it, try again
4009 OUT4500(ai, SELECT0+whichbap, rid);
4010 OUT4500(ai, OFFSET0+whichbap, offset);
4011 timeout = 50;
4012 }
4013}
4014
4015/* should only be called by aux_bap_read. This aux function and the
4016 following use concepts not documented in the developers guide. I
4017 got them from a patch given to my by Aironet */
4018static u16 aux_setup(struct airo_info *ai, u16 page,
4019 u16 offset, u16 *len)
4020{
4021 u16 next;
4022
4023 OUT4500(ai, AUXPAGE, page);
4024 OUT4500(ai, AUXOFF, 0);
4025 next = IN4500(ai, AUXDATA);
4026 *len = IN4500(ai, AUXDATA)&0xff;
4027 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4028 return next;
4029}
4030
4031/* requires call to bap_setup() first */
b8c06bc1 4032static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4033 int bytelen, int whichbap)
4034{
4035 u16 len;
4036 u16 page;
4037 u16 offset;
4038 u16 next;
4039 int words;
4040 int i;
4041 unsigned long flags;
4042
4043 spin_lock_irqsave(&ai->aux_lock, flags);
4044 page = IN4500(ai, SWS0+whichbap);
4045 offset = IN4500(ai, SWS2+whichbap);
4046 next = aux_setup(ai, page, offset, &len);
4047 words = (bytelen+1)>>1;
4048
4049 for (i=0; i<words;) {
4050 int count;
4051 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4052 if ( !do8bitIO )
4053 insw( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i,count );
4055 else
4056 insb( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i, count << 1 );
4058 i += count;
4059 if (i<words) {
4060 next = aux_setup(ai, next, 4, &len);
4061 }
4062 }
4063 spin_unlock_irqrestore(&ai->aux_lock, flags);
4064 return SUCCESS;
4065}
4066
4067
4068/* requires call to bap_setup() first */
b8c06bc1 4069static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4070 int bytelen, int whichbap)
4071{
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4073 if ( !do8bitIO )
4074 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4075 else
4076 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4077 return SUCCESS;
4078}
4079
4080/* requires call to bap_setup() first */
b8c06bc1 4081static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4082 int bytelen, int whichbap)
4083{
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 outsw( ai->dev->base_addr+DATA0+whichbap,
4087 pu16Src, bytelen>>1 );
4088 else
4089 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4090 return SUCCESS;
4091}
4092
4093static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4094{
4095 Cmd cmd; /* for issuing commands */
4096 Resp rsp; /* response from commands */
4097 u16 status;
4098
4099 memset(&cmd, 0, sizeof(cmd));
4100 cmd.cmd = accmd;
4101 cmd.parm0 = rid;
4102 status = issuecommand(ai, &cmd, &rsp);
4103 if (status != 0) return status;
4104 if ( (rsp.status & 0x7F00) != 0) {
4105 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4106 }
4107 return 0;
4108}
4109
4110/* Note, that we are using BAP1 which is also used by transmit, so
4111 * we must get a lock. */
4112static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113{
4114 u16 status;
4115 int rc = SUCCESS;
4116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4127 ai->config_desc.rid_desc.valid = 1;
4128 ai->config_desc.rid_desc.len = RIDSIZE;
4129 ai->config_desc.rid_desc.rid = 0;
4130 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4131
4132 cmd.cmd = CMD_ACCESS;
4133 cmd.parm0 = rid;
4134
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4137
4138 rc = issuecommand(ai, &cmd, &rsp);
4139
4140 if (rsp.status & 0x7f00)
4141 rc = rsp.rsp0;
4142 if (!rc)
4143 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4144 goto done;
4145 } else {
4146 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4147 rc = status;
4148 goto done;
4149 }
4150 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4151 rc = ERROR;
4152 goto done;
4153 }
4154 // read the rid length field
4155 bap_read(ai, pBuf, 2, BAP1);
4156 // length for remaining part of rid
593c2b9c 4157 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4158
4159 if ( len <= 2 ) {
934d8bf1
DW		 4160 airo_print_err(ai->dev->name,
4161 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4162 (int)rid, (int)len );
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read remainder of the rid
b8c06bc1 4167 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4168 }
4169done:
4170 if (lock)
4171 up(&ai->sem);
4172 return rc;
4173}
4174
4175/* Note, that we are using BAP1 which is also used by transmit, so
4176 * make sure this isnt called when a transmit is happening */
4177static int PC4500_writerid(struct airo_info *ai, u16 rid,
4178 const void *pBuf, int len, int lock)
4179{
4180 u16 status;
4181 int rc = SUCCESS;
4182
593c2b9c 4183 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4184
4185 if (lock) {
4186 if (down_interruptible(&ai->sem))
4187 return ERROR;
4188 }
4189 if (test_bit(FLAG_MPI,&ai->flags)) {
4190 Cmd cmd;
4191 Resp rsp;
4192
f89b2321 4193 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4194 airo_print_err(ai->dev->name,
4195 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4196 __func__, rid);
1da177e4
LT		 4197 memset(&cmd, 0, sizeof(cmd));
4198 memset(&rsp, 0, sizeof(rsp));
4199
4200 ai->config_desc.rid_desc.valid = 1;
4201 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4202 ai->config_desc.rid_desc.rid = 0;
4203
4204 cmd.cmd = CMD_WRITERID;
4205 cmd.parm0 = rid;
4206
4207 memcpy_toio(ai->config_desc.card_ram_off,
4208 &ai->config_desc.rid_desc, sizeof(Rid));
4209
4210 if (len < 4 || len > 2047) {
c94c93da 4211 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT		 4212 rc = -1;
4213 } else {
4214 memcpy((char *)ai->config_desc.virtual_host_addr,
4215 pBuf, len);
4216
4217 rc = issuecommand(ai, &cmd, &rsp);
4218 if ((rc & 0xff00) != 0) {
934d8bf1 4219 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4220 __func__, rc);
934d8bf1 4221 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4222 __func__, cmd.cmd);
1da177e4
LT		 4223 }
4224
4225 if ((rsp.status & 0x7f00))
4226 rc = rsp.rsp0;
4227 }
4228 } else {
4229 // --- first access so that we can write the rid data
4230 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4231 rc = status;
4232 goto done;
4233 }
4234 // --- now write the rid data
4235 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4236 rc = ERROR;
4237 goto done;
4238 }
4239 bap_write(ai, pBuf, len, BAP1);
4240 // ---now commit the rid data
4241 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4242 }
4243done:
4244 if (lock)
4245 up(&ai->sem);
4246 return rc;
4247}
4248
4249/* Allocates a FID to be used for transmitting packets. We only use
4250 one for now. */
4251static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4252{
4253 unsigned int loop = 3000;
4254 Cmd cmd;
4255 Resp rsp;
4256 u16 txFid;
593c2b9c 4257 __le16 txControl;
1da177e4
LT		 4258
4259 cmd.cmd = CMD_ALLOCATETX;
4260 cmd.parm0 = lenPayload;
4261 if (down_interruptible(&ai->sem))
4262 return ERROR;
4263 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 if ( (rsp.status & 0xFF00) != 0) {
4268 txFid = ERROR;
4269 goto done;
4270 }
4271 /* wait for the allocate event/indication
4272 * It makes me kind of nervous that this can just sit here and spin,
4273 * but in practice it only loops like four times. */
4274 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 if (!loop) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279
4280 // get the allocated fid and acknowledge
4281 txFid = IN4500(ai, TXALLOCFID);
4282 OUT4500(ai, EVACK, EV_ALLOC);
4283
4284 /* The CARD is pretty cool since it converts the ethernet packet
4285 * into 802.11. Also note that we don't release the FID since we
4286 * will be using the same one over and over again. */
4287 /* We only have to setup the control once since we are not
4288 * releasing the fid. */
4289 if (raw)
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 else
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4296 txFid = ERROR;
4297 else
4298 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4299
4300done:
4301 up(&ai->sem);
4302
4303 return txFid;
4304}
4305
4306/* In general BAP1 is dedicated to transmiting packets. However,
4307 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4308 Make sure the BAP1 spinlock is held when this is called. */
4309static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4310{
593c2b9c 4311 __le16 payloadLen;
1da177e4
LT		 4312 Cmd cmd;
4313 Resp rsp;
4314 int miclen = 0;
4315 u16 txFid = len;
4316 MICBuffer pMic;
4317
4318 len >>= 16;
4319
4320 if (len <= ETH_ALEN * 2) {
934d8bf1 4321 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4322 return ERROR;
4323 }
4324 len -= ETH_ALEN * 2;
4325
1da177e4 4326 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4327 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4328 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4329 return ERROR;
4330 miclen = sizeof(pMic);
4331 }
1da177e4
LT		 4332 // packet is destination[6], source[6], payload[len-12]
4333 // write the payload length and dst/src/payload
4334 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4335 /* The hardware addresses aren't counted as part of the payload, so
4336 * we have to subtract the 12 bytes for the addresses off */
4337 payloadLen = cpu_to_le16(len + miclen);
4338 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4339 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4340 if (miclen)
b8c06bc1
AV		 4341 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4342 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4343 // issue the transmit command
4344 memset( &cmd, 0, sizeof( cmd ) );
4345 cmd.cmd = CMD_TRANSMIT;
4346 cmd.parm0 = txFid;
4347 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4348 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4349 return SUCCESS;
4350}
4351
4352static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4353{
593c2b9c 4354 __le16 fc, payloadLen;
1da177e4
LT		 4355 Cmd cmd;
4356 Resp rsp;
4357 int hdrlen;
977b143c
AV		 4358 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4359 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4360 u16 txFid = len;
4361 len >>= 16;
1da177e4 4362
0300b332
AV		 4363 fc = *(__le16*)pPacket;
4364 hdrlen = header_len(fc);
1da177e4
LT		 4365
4366 if (len < hdrlen) {
934d8bf1 4367 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4368 return ERROR;
4369 }
4370
4371 /* packet is 802.11 header + payload
4372 * write the payload length and dst/src/payload */
4373 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4374 /* The 802.11 header aren't counted as part of the payload, so
4375 * we have to subtract the header bytes off */
4376 payloadLen = cpu_to_le16(len-hdrlen);
4377 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4378 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4379 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4380 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4381
b8c06bc1 4382 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4383 // issue the transmit command
4384 memset( &cmd, 0, sizeof( cmd ) );
4385 cmd.cmd = CMD_TRANSMIT;
4386 cmd.parm0 = txFid;
4387 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4388 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4389 return SUCCESS;
4390}
4391
4392/*
4393 * This is the proc_fs routines. It is a bit messier than I would
4394 * like! Feel free to clean it up!
4395 */
4396
4397static ssize_t proc_read( struct file *file,
4398 char __user *buffer,
4399 size_t len,
4400 loff_t *offset);
4401
4402static ssize_t proc_write( struct file *file,
4403 const char __user *buffer,
4404 size_t len,
4405 loff_t *offset );
4406static int proc_close( struct inode *inode, struct file *file );
4407
4408static int proc_stats_open( struct inode *inode, struct file *file );
4409static int proc_statsdelta_open( struct inode *inode, struct file *file );
4410static int proc_status_open( struct inode *inode, struct file *file );
4411static int proc_SSID_open( struct inode *inode, struct file *file );
4412static int proc_APList_open( struct inode *inode, struct file *file );
4413static int proc_BSSList_open( struct inode *inode, struct file *file );
4414static int proc_config_open( struct inode *inode, struct file *file );
4415static int proc_wepkey_open( struct inode *inode, struct file *file );
4416
d54b1fdb 4417static const struct file_operations proc_statsdelta_ops = {
a95609cb 4418 .owner = THIS_MODULE,
1da177e4
LT		 4419 .read = proc_read,
4420 .open = proc_statsdelta_open,
4421 .release = proc_close
4422};
4423
d54b1fdb 4424static const struct file_operations proc_stats_ops = {
a95609cb 4425 .owner = THIS_MODULE,
1da177e4
LT		 4426 .read = proc_read,
4427 .open = proc_stats_open,
4428 .release = proc_close
4429};
4430
d54b1fdb 4431static const struct file_operations proc_status_ops = {
a95609cb 4432 .owner = THIS_MODULE,
1da177e4
LT		 4433 .read = proc_read,
4434 .open = proc_status_open,
4435 .release = proc_close
4436};
4437
d54b1fdb 4438static const struct file_operations proc_SSID_ops = {
a95609cb 4439 .owner = THIS_MODULE,
1da177e4
LT		 4440 .read = proc_read,
4441 .write = proc_write,
4442 .open = proc_SSID_open,
4443 .release = proc_close
4444};
4445
d54b1fdb 4446static const struct file_operations proc_BSSList_ops = {
a95609cb 4447 .owner = THIS_MODULE,
1da177e4
LT		 4448 .read = proc_read,
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4452};
4453
d54b1fdb 4454static const struct file_operations proc_APList_ops = {
a95609cb 4455 .owner = THIS_MODULE,
1da177e4
LT		 4456 .read = proc_read,
4457 .write = proc_write,
4458 .open = proc_APList_open,
4459 .release = proc_close
4460};
4461
d54b1fdb 4462static const struct file_operations proc_config_ops = {
a95609cb 4463 .owner = THIS_MODULE,
1da177e4
LT		 4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_config_open,
4467 .release = proc_close
4468};
4469
d54b1fdb 4470static const struct file_operations proc_wepkey_ops = {
a95609cb 4471 .owner = THIS_MODULE,
1da177e4
LT		 4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_wepkey_open,
4475 .release = proc_close
4476};
4477
4478static struct proc_dir_entry *airo_entry;
4479
4480struct proc_data {
4481 int release_buffer;
4482 int readlen;
4483 char *rbuffer;
4484 int writelen;
4485 int maxwritelen;
4486 char *wbuffer;
4487 void (*on_close) (struct inode *, struct file *);
4488};
4489
1da177e4
LT		 4490static int setup_proc_entry( struct net_device *dev,
4491 struct airo_info *apriv ) {
4492 struct proc_dir_entry *entry;
4493 /* First setup the device directory */
4494 strcpy(apriv->proc_name,dev->name);
4495 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4496 S_IFDIR|airo_perm,
4497 airo_entry);
431aca5a
FM		 4498 if (!apriv->proc_entry)
4499 goto fail;
4500 apriv->proc_entry->uid = proc_uid;
4501 apriv->proc_entry->gid = proc_gid;
1da177e4
LT		 4502
4503 /* Setup the StatsDelta */
a95609cb
DL		 4504 entry = proc_create_data("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4506 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4507 if (!entry)
4508 goto fail_stats_delta;
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
1da177e4
LT		 4511
4512 /* Setup the Stats */
a95609cb
DL		 4513 entry = proc_create_data("Stats",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4516 if (!entry)
4517 goto fail_stats;
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
1da177e4
LT		 4520
4521 /* Setup the Status */
a95609cb
DL		 4522 entry = proc_create_data("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4525 if (!entry)
4526 goto fail_status;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
1da177e4
LT		 4529
4530 /* Setup the Config */
a95609cb
DL		 4531 entry = proc_create_data("Config",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4534 if (!entry)
4535 goto fail_config;
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
1da177e4
LT		 4538
4539 /* Setup the SSID */
a95609cb
DL		 4540 entry = proc_create_data("SSID",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4543 if (!entry)
4544 goto fail_ssid;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
1da177e4
LT		 4547
4548 /* Setup the APList */
a95609cb
DL		 4549 entry = proc_create_data("APList",
4550 S_IFREG | proc_perm,
4551 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4552 if (!entry)
4553 goto fail_aplist;
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
1da177e4
LT		 4556
4557 /* Setup the BSSList */
a95609cb
DL		 4558 entry = proc_create_data("BSSList",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4561 if (!entry)
4562 goto fail_bsslist;
1da177e4
LT		 4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
1da177e4
LT		 4565
4566 /* Setup the WepKey */
a95609cb
DL		 4567 entry = proc_create_data("WepKey",
4568 S_IFREG | proc_perm,
4569 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4570 if (!entry)
4571 goto fail_wepkey;
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
1da177e4
LT		 4574
4575 return 0;
431aca5a
FM		 4576
4577fail_wepkey:
4578 remove_proc_entry("BSSList", apriv->proc_entry);
4579fail_bsslist:
4580 remove_proc_entry("APList", apriv->proc_entry);
4581fail_aplist:
4582 remove_proc_entry("SSID", apriv->proc_entry);
4583fail_ssid:
4584 remove_proc_entry("Config", apriv->proc_entry);
4585fail_config:
4586 remove_proc_entry("Status", apriv->proc_entry);
4587fail_status:
4588 remove_proc_entry("Stats", apriv->proc_entry);
4589fail_stats:
4590 remove_proc_entry("StatsDelta", apriv->proc_entry);
4591fail_stats_delta:
4592 remove_proc_entry(apriv->proc_name, airo_entry);
4593fail:
4594 return -ENOMEM;
1da177e4
LT		 4595}
4596
4597static int takedown_proc_entry( struct net_device *dev,
4598 struct airo_info *apriv ) {
4599 if ( !apriv->proc_entry->namelen ) return 0;
4600 remove_proc_entry("Stats",apriv->proc_entry);
4601 remove_proc_entry("StatsDelta",apriv->proc_entry);
4602 remove_proc_entry("Status",apriv->proc_entry);
4603 remove_proc_entry("Config",apriv->proc_entry);
4604 remove_proc_entry("SSID",apriv->proc_entry);
4605 remove_proc_entry("APList",apriv->proc_entry);
4606 remove_proc_entry("BSSList",apriv->proc_entry);
4607 remove_proc_entry("WepKey",apriv->proc_entry);
4608 remove_proc_entry(apriv->proc_name,airo_entry);
4609 return 0;
4610}
4611
4612/*
4613 * What we want from the proc_fs is to be able to efficiently read
4614 * and write the configuration. To do this, we want to read the
4615 * configuration when the file is opened and write it when the file is
4616 * closed. So basically we allocate a read buffer at open and fill it
4617 * with data, and allocate a write buffer and read it at close.
4618 */
4619
4620/*
4621 * The read routine is generic, it relies on the preallocated rbuffer
4622 * to supply the data.
4623 */
4624static ssize_t proc_read( struct file *file,
4625 char __user *buffer,
4626 size_t len,
4627 loff_t *offset )
4628{
cc0d9ff2 4629 struct proc_data *priv = file->private_data;
1da177e4
LT		 4630
4631 if (!priv->rbuffer)
4632 return -EINVAL;
4633
cc0d9ff2
AM		 4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4635 priv->readlen);
1da177e4
LT		 4636}
4637
4638/*
4639 * The write routine is generic, it fills in a preallocated rbuffer
4640 * to supply the data.
4641 */
4642static ssize_t proc_write( struct file *file,
4643 const char __user *buffer,
4644 size_t len,
4645 loff_t *offset )
4646{
4647 loff_t pos = *offset;
4648 struct proc_data *priv = (struct proc_data*)file->private_data;
4649
4650 if (!priv->wbuffer)
4651 return -EINVAL;
4652
4653 if (pos < 0)
4654 return -EINVAL;
4655 if (pos >= priv->maxwritelen)
4656 return 0;
4657 if (len > priv->maxwritelen - pos)
4658 len = priv->maxwritelen - pos;
4659 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4660 return -EFAULT;
4661 if ( pos + len > priv->writelen )
4662 priv->writelen = len + file->f_pos;
4663 *offset = pos + len;
4664 return len;
4665}
4666
329e2c00
AV		 4667static int proc_status_open(struct inode *inode, struct file *file)
4668{
1da177e4
LT		 4669 struct proc_data *data;
4670 struct proc_dir_entry *dp = PDE(inode);
4671 struct net_device *dev = dp->data;
faf3994a 4672 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4673 CapabilityRid cap_rid;
4674 StatusRid status_rid;
329e2c00 4675 u16 mode;
1da177e4
LT		 4676 int i;
4677
b69a3aa8 4678 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4679 return -ENOMEM;
1da177e4
LT		 4680 data = (struct proc_data *)file->private_data;
4681 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4682 kfree (file->private_data);
4683 return -ENOMEM;
4684 }
4685
4686 readStatusRid(apriv, &status_rid, 1);
4687 readCapabilityRid(apriv, &cap_rid, 1);
4688
329e2c00
AV		 4689 mode = le16_to_cpu(status_rid.mode);
4690
1da177e4 4691 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4692 mode & 1 ? "CFG ": "",
4693 mode & 2 ? "ACT ": "",
4694 mode & 0x10 ? "SYN ": "",
4695 mode & 0x20 ? "LNK ": "",
4696 mode & 0x40 ? "LEAP ": "",
4697 mode & 0x80 ? "PRIV ": "",
4698 mode & 0x100 ? "KEY ": "",
4699 mode & 0x200 ? "WEP ": "",
4700 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4701 sprintf( data->rbuffer+i, "Mode: %x\n"
4702 "Signal Strength: %d\n"
4703 "Signal Quality: %d\n"
4704 "SSID: %-.*s\n"
4705 "AP: %-.16s\n"
4706 "Freq: %d\n"
4707 "BitRate: %dmbs\n"
4708 "Driver Version: %s\n"
4709 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4710 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4711 "Software Version: %x\nSoftware Subversion: %x\n"
4712 "Boot block version: %x\n",
329e2c00
AV		 4713 le16_to_cpu(status_rid.mode),
4714 le16_to_cpu(status_rid.normalizedSignalStrength),
4715 le16_to_cpu(status_rid.signalQuality),
4716 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4717 status_rid.SSID,
4718 status_rid.apName,
329e2c00
AV		 4719 le16_to_cpu(status_rid.channel),
4720 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4721 version,
4722 cap_rid.prodName,
4723 cap_rid.manName,
4724 cap_rid.prodVer,
56d81bd3
AV		 4725 le16_to_cpu(cap_rid.radioType),
4726 le16_to_cpu(cap_rid.country),
4727 le16_to_cpu(cap_rid.hardVer),
4728 le16_to_cpu(cap_rid.softVer),
4729 le16_to_cpu(cap_rid.softSubVer),
4730 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4731 data->readlen = strlen( data->rbuffer );
4732 return 0;
4733}
4734
4735static int proc_stats_rid_open(struct inode*, struct file*, u16);
4736static int proc_statsdelta_open( struct inode *inode,
4737 struct file *file ) {
4738 if (file->f_mode&FMODE_WRITE) {
4739 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4740 }
4741 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4742}
4743
4744static int proc_stats_open( struct inode *inode, struct file *file ) {
4745 return proc_stats_rid_open(inode, file, RID_STATS);
4746}
4747
4748static int proc_stats_rid_open( struct inode *inode,
4749 struct file *file,
a23ace5f
AV		 4750 u16 rid )
4751{
1da177e4
LT		 4752 struct proc_data *data;
4753 struct proc_dir_entry *dp = PDE(inode);
4754 struct net_device *dev = dp->data;
faf3994a 4755 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4756 StatsRid stats;
4757 int i, j;
a23ace5f 4758 __le32 *vals = stats.vals;
bc8263f1 4759 int len;
1da177e4 4760
b69a3aa8 4761 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4762 return -ENOMEM;
1da177e4
LT		 4763 data = (struct proc_data *)file->private_data;
4764 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4765 kfree (file->private_data);
4766 return -ENOMEM;
4767 }
4768
4769 readStatsRid(apriv, &stats, rid, 1);
bc8263f1 4770 len = le16_to_cpu(stats.len);
1da177e4
LT		 4771
4772 j = 0;
a23ace5f 4773 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4774 if (!statsLabels[i]) continue;
4775 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4776 airo_print_warn(apriv->dev->name,
4777 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4778 break;
4779 }
a23ace5f
AV		 4780 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4781 le32_to_cpu(vals[i]));
1da177e4 4782 }
a23ace5f 4783 if (i*4 >= len) {
934d8bf1 4784 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4785 }
4786 data->readlen = j;
4787 return 0;
4788}
4789
4790static int get_dec_u16( char *buffer, int *start, int limit ) {
4791 u16 value;
4792 int valid = 0;
30bd5726
RK		 4793 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4794 buffer[*start] <= '9'; (*start)++) {
1da177e4
LT		 4795 valid = 1;
4796 value *= 10;
4797 value += buffer[*start] - '0';
4798 }
4799 if ( !valid ) return -1;
4800 return value;
4801}
4802
4803static int airo_config_commit(struct net_device *dev,
4804 struct iw_request_info *info, void *zwrq,
4805 char *extra);
4806
3eb9b41f
AV		 4807static inline int sniffing_mode(struct airo_info *ai)
4808{
1f351e38 4809 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
3eb9b41f
AV		 4810 le16_to_cpu(RXMODE_RFMON);
4811}
4812
4813static void proc_config_on_close(struct inode *inode, struct file *file)
4814{
1da177e4
LT		 4815 struct proc_data *data = file->private_data;
4816 struct proc_dir_entry *dp = PDE(inode);
4817 struct net_device *dev = dp->data;
faf3994a 4818 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 4819 char *line;
4820
4821 if ( !data->writelen ) return;
4822
4823 readConfigRid(ai, 1);
4824 set_bit (FLAG_COMMIT, &ai->flags);
4825
4826 line = data->wbuffer;
4827 while( line[0] ) {
4828/*** Mode processing */
4829 if ( !strncmp( line, "Mode: ", 6 ) ) {
4830 line += 6;
3eb9b41f
AV		 4831 if (sniffing_mode(ai))
4832 set_bit (FLAG_RESET, &ai->flags);
4833 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4834 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4835 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4836 ai->config.scanMode = SCANMODE_ACTIVE;
4837 if ( line[0] == 'a' ) {
3eb9b41f 4838 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4839 } else {
3eb9b41f 4840 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4841 if ( line[0] == 'r' ) {
4842 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'y' ) {
4846 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4847 ai->config.scanMode = SCANMODE_PASSIVE;
4848 set_bit (FLAG_802_11, &ai->flags);
4849 } else if ( line[0] == 'l' )
4850 ai->config.rmode |= RXMODE_LANMON;
4851 }
4852 set_bit (FLAG_COMMIT, &ai->flags);
4853 }
4854
4855/*** Radio status */
4856 else if (!strncmp(line,"Radio: ", 7)) {
4857 line += 7;
4858 if (!strncmp(line,"off",3)) {
4859 set_bit (FLAG_RADIO_OFF, &ai->flags);
4860 } else {
4861 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4862 }
4863 }
4864/*** NodeName processing */
4865 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4866 int j;
4867
4868 line += 10;
4869 memset( ai->config.nodeName, 0, 16 );
4870/* Do the name, assume a space between the mode and node name */
4871 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4872 ai->config.nodeName[j] = line[j];
4873 }
4874 set_bit (FLAG_COMMIT, &ai->flags);
4875 }
4876
4877/*** PowerMode processing */
4878 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4879 line += 11;
4880 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if ( !strncmp( line, "PSP", 3 ) ) {
4884 ai->config.powerSaveMode = POWERSAVE_PSP;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else {
4887 ai->config.powerSaveMode = POWERSAVE_CAM;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 }
4890 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4891 int v, i = 0, k = 0; /* i is index into line,
4892 k is index to rates */
4893
4894 line += 11;
4895 while((v = get_dec_u16(line, &i, 3))!=-1) {
4896 ai->config.rates[k++] = (u8)v;
4897 line += i + 1;
4898 i = 0;
4899 }
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4902 int v, i = 0;
4903 line += 9;
4904 v = get_dec_u16(line, &i, i+3);
4905 if ( v != -1 ) {
3eb9b41f 4906 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 }
4909 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4910 int v, i = 0;
4911 line += 11;
4912 v = get_dec_u16(line, &i, i+3);
4913 if ( v != -1 ) {
3eb9b41f 4914 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 }
4917 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4918 line += 5;
4919 switch( line[0] ) {
4920 case 's':
3eb9b41f 4921 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4922 break;
4923 case 'e':
3eb9b41f 4924 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4925 break;
4926 default:
3eb9b41f 4927 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4928 break;
4929 }
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4932 int v, i = 0;
4933
4934 line += 16;
4935 v = get_dec_u16(line, &i, 3);
4936 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4937 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4940 int v, i = 0;
4941
4942 line += 17;
4943 v = get_dec_u16(line, &i, 3);
4944 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4945 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4948 int v, i = 0;
4949
4950 line += 14;
4951 v = get_dec_u16(line, &i, 4);
15db2763 4952 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4953 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4956 int v, i = 0;
4957
4958 line += 16;
4959 v = get_dec_u16(line, &i, 5);
4960 v = (v<0) ? 0 : v;
3eb9b41f 4961 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 5);
4968 v = (v<0) ? 0 : v;
3eb9b41f 4969 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4972 ai->config.txDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4977 ai->config.rxDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4982 int v, i = 0;
4983
4984 line += 15;
4985 v = get_dec_u16(line, &i, 4);
15db2763 4986 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4987 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4988 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if (!strncmp(line, "Modulation: ", 12)) {
4991 line += 12;
4992 switch(*line) {
4993 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4994 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4996 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4997 }
4998 } else if (!strncmp(line, "Preamble: ", 10)) {
4999 line += 10;
5000 switch(*line) {
5001 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5004 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 5005 }
5006 } else {
934d8bf1 5007 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5008 }
5009 while( line[0] && line[0] != '\n' ) line++;
5010 if ( line[0] ) line++;
5011 }
5012 airo_config_commit(dev, NULL, NULL, NULL);
5013}
5014
3eb9b41f
AV		 5015static char *get_rmode(__le16 mode)
5016{
5017 switch(mode & RXMODE_MASK) {
1da177e4
LT		 5018 case RXMODE_RFMON: return "rfmon";
5019 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5020 case RXMODE_LANMON: return "lanmon";
5021 }
5022 return "ESS";
5023}
5024
3eb9b41f
AV		 5025static int proc_config_open(struct inode *inode, struct file *file)
5026{
1da177e4
LT		 5027 struct proc_data *data;
5028 struct proc_dir_entry *dp = PDE(inode);
5029 struct net_device *dev = dp->data;
faf3994a 5030 struct airo_info *ai = dev->ml_priv;
1da177e4 5031 int i;
3eb9b41f 5032 __le16 mode;
1da177e4 5033
b69a3aa8 5034 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5035 return -ENOMEM;
1da177e4
LT		 5036 data = (struct proc_data *)file->private_data;
5037 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (file->private_data);
5039 return -ENOMEM;
5040 }
b69a3aa8 5041 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5042 kfree (data->rbuffer);
5043 kfree (file->private_data);
5044 return -ENOMEM;
5045 }
1da177e4
LT		 5046 data->maxwritelen = 2048;
5047 data->on_close = proc_config_on_close;
5048
5049 readConfigRid(ai, 1);
5050
3eb9b41f 5051 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 5052 i = sprintf( data->rbuffer,
5053 "Mode: %s\n"
5054 "Radio: %s\n"
5055 "NodeName: %-16s\n"
5056 "PowerMode: %s\n"
5057 "DataRates: %d %d %d %d %d %d %d %d\n"
5058 "Channel: %d\n"
5059 "XmitPower: %d\n",
3eb9b41f
AV		 5060 mode == MODE_STA_IBSS ? "adhoc" :
5061 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5062 mode == MODE_AP ? "AP" :
5063 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5064 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5065 ai->config.nodeName,
3eb9b41f
AV		 5066 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5067 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5068 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5069 "Error",
1da177e4
LT		 5070 (int)ai->config.rates[0],
5071 (int)ai->config.rates[1],
5072 (int)ai->config.rates[2],
5073 (int)ai->config.rates[3],
5074 (int)ai->config.rates[4],
5075 (int)ai->config.rates[5],
5076 (int)ai->config.rates[6],
5077 (int)ai->config.rates[7],
3eb9b41f
AV		 5078 le16_to_cpu(ai->config.channelSet),
5079 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5080 );
5081 sprintf( data->rbuffer + i,
5082 "LongRetryLimit: %d\n"
5083 "ShortRetryLimit: %d\n"
5084 "RTSThreshold: %d\n"
5085 "TXMSDULifetime: %d\n"
5086 "RXMSDULifetime: %d\n"
5087 "TXDiversity: %s\n"
5088 "RXDiversity: %s\n"
5089 "FragThreshold: %d\n"
5090 "WEP: %s\n"
5091 "Modulation: %s\n"
5092 "Preamble: %s\n",
3eb9b41f
AV		 5093 le16_to_cpu(ai->config.longRetryLimit),
5094 le16_to_cpu(ai->config.shortRetryLimit),
5095 le16_to_cpu(ai->config.rtsThres),
5096 le16_to_cpu(ai->config.txLifetime),
5097 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5098 ai->config.txDiversity == 1 ? "left" :
5099 ai->config.txDiversity == 2 ? "right" : "both",
5100 ai->config.rxDiversity == 1 ? "left" :
5101 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5102 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5103 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5104 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5105 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5106 ai->config.modulation == MOD_CCK ? "cck" :
5107 ai->config.modulation == MOD_MOK ? "mok" : "error",
5108 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5109 ai->config.preamble == PREAMBLE_LONG ? "long" :
5110 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5111 );
5112 data->readlen = strlen( data->rbuffer );
5113 return 0;
5114}
5115
0dd2212f
AV		 5116static void proc_SSID_on_close(struct inode *inode, struct file *file)
5117{
1da177e4
LT		 5118 struct proc_data *data = (struct proc_data *)file->private_data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
faf3994a 5121 struct airo_info *ai = dev->ml_priv;
1da177e4 5122 SsidRid SSID_rid;
1da177e4 5123 int i;
0dd2212f
AV		 5124 char *p = data->wbuffer;
5125 char *end = p + data->writelen;
1da177e4 5126
0dd2212f
AV		 5127 if (!data->writelen)
5128 return;
1da177e4 5129
0dd2212f 5130 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5131
0dd2212f
AV		 5132 memset(&SSID_rid, 0, sizeof(SSID_rid));
5133
5134 for (i = 0; i < 3 && p < end; i++) {
5135 int j = 0;
5136 /* copy up to 32 characters from this line */
5137 while (*p != '\n' && j < 32)
5138 SSID_rid.ssids[i].ssid[j++] = *p++;
5139 if (j == 0)
5140 break;
5141 SSID_rid.ssids[i].len = cpu_to_le16(j);
5142 /* skip to the beginning of the next line */
5143 while (*p++ != '\n')
5144 ;
1da177e4
LT		 5145 }
5146 if (i)
0dd2212f 5147 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5148 disable_MAC(ai, 1);
5149 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5150 enable_MAC(ai, 1);
1da177e4
LT		 5151}
5152
77933d72 5153static inline u8 hexVal(char c) {
1da177e4
LT		 5154 if (c>='0' && c<='9') return c -= '0';
5155 if (c>='a' && c<='f') return c -= 'a'-10;
5156 if (c>='A' && c<='F') return c -= 'A'-10;
5157 return 0;
5158}
5159
5160static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5161 struct proc_data *data = (struct proc_data *)file->private_data;
5162 struct proc_dir_entry *dp = PDE(inode);
5163 struct net_device *dev = dp->data;
faf3994a 5164 struct airo_info *ai = dev->ml_priv;
1da177e4 5165 APListRid APList_rid;
1da177e4
LT		 5166 int i;
5167
5168 if ( !data->writelen ) return;
5169
5170 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5171 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5172
5173 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5174 int j;
5175 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5176 switch(j%3) {
5177 case 0:
5178 APList_rid.ap[i][j/3]=
5179 hexVal(data->wbuffer[j+i*6*3])<<4;
5180 break;
5181 case 1:
5182 APList_rid.ap[i][j/3]|=
5183 hexVal(data->wbuffer[j+i*6*3]);
5184 break;
5185 }
5186 }
5187 }
5188 disable_MAC(ai, 1);
5189 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5190 enable_MAC(ai, 1);
1da177e4
LT		 5191}
5192
5193/* This function wraps PC4500_writerid with a MAC disable */
5194static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5195 int len, int dummy ) {
5196 int rc;
1da177e4
LT		 5197
5198 disable_MAC(ai, 1);
5199 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5200 enable_MAC(ai, 1);
1da177e4
LT		 5201 return rc;
5202}
5203
c0380693
DW		 5204/* Returns the WEP key at the specified index, or -1 if that key does
5205 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5206 */
c0380693
DW		 5207static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5208{
1da177e4
LT		 5209 WepKeyRid wkr;
5210 int rc;
4293ea33 5211 __le16 lastindex;
1da177e4
LT		 5212
5213 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW		 5214 if (rc != SUCCESS)
5215 return -1;
5216 do {
1da177e4 5217 lastindex = wkr.kindex;
c0380693
DW		 5218 if (le16_to_cpu(wkr.kindex) == index) {
5219 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5220 memcpy(buf, wkr.key, klen);
5221 return klen;
1da177e4 5222 }
c0380693
DW		 5223 rc = readWepKeyRid(ai, &wkr, 0, 1);
5224 if (rc != SUCCESS)
5225 return -1;
4293ea33 5226 } while (lastindex != wkr.kindex);
1da177e4
LT		 5227 return -1;
5228}
5229
c0380693
DW		 5230static int get_wep_tx_idx(struct airo_info *ai)
5231{
5232 WepKeyRid wkr;
5233 int rc;
5234 __le16 lastindex;
5235
5236 rc = readWepKeyRid(ai, &wkr, 1, 1);
5237 if (rc != SUCCESS)
5238 return -1;
5239 do {
5240 lastindex = wkr.kindex;
5241 if (wkr.kindex == cpu_to_le16(0xffff))
5242 return wkr.mac[0];
5243 rc = readWepKeyRid(ai, &wkr, 0, 1);
5244 if (rc != SUCCESS)
5245 return -1;
5246 } while (lastindex != wkr.kindex);
5247 return -1;
5248}
5249
5250static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5251 u16 keylen, int perm, int lock)
4293ea33 5252{
1da177e4
LT		 5253 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5254 WepKeyRid wkr;
c0380693 5255 int rc;
1da177e4 5256
f09c2563 5257 WARN_ON(keylen == 0);
1da177e4 5258
c0380693
DW		 5259 memset(&wkr, 0, sizeof(wkr));
5260 wkr.len = cpu_to_le16(sizeof(wkr));
5261 wkr.kindex = cpu_to_le16(index);
5262 wkr.klen = cpu_to_le16(keylen);
5263 memcpy(wkr.key, key, keylen);
5264 memcpy(wkr.mac, macaddr, ETH_ALEN);
5265
f89b2321 5266 if (perm) disable_MAC(ai, lock);
c0380693 5267 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5268 if (perm) enable_MAC(ai, lock);
c0380693
DW		 5269 return rc;
5270}
5271
5272static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5273{
5274 WepKeyRid wkr;
5275 int rc;
5276
5277 memset(&wkr, 0, sizeof(wkr));
5278 wkr.len = cpu_to_le16(sizeof(wkr));
5279 wkr.kindex = cpu_to_le16(0xffff);
5280 wkr.mac[0] = (char)index;
5281
5282 if (perm) {
5283 ai->defindex = (char)index;
5284 disable_MAC(ai, lock);
5285 }
5286
5287 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5288
5289 if (perm)
5290 enable_MAC(ai, lock);
5291 return rc;
1da177e4
LT		 5292}
5293
5294static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5295 struct proc_data *data;
5296 struct proc_dir_entry *dp = PDE(inode);
5297 struct net_device *dev = dp->data;
faf3994a 5298 struct airo_info *ai = dev->ml_priv;
c0380693 5299 int i, rc;
1da177e4
LT		 5300 char key[16];
5301 u16 index = 0;
5302 int j = 0;
5303
5304 memset(key, 0, sizeof(key));
5305
5306 data = (struct proc_data *)file->private_data;
5307 if ( !data->writelen ) return;
5308
5309 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5310 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5311 index = data->wbuffer[0] - '0';
5312 if (data->wbuffer[1] == '\n') {
c0380693
DW		 5313 rc = set_wep_tx_idx(ai, index, 1, 1);
5314 if (rc < 0) {
5315 airo_print_err(ai->dev->name, "failed to set "
5316 "WEP transmit index to %d: %d.",
5317 index, rc);
5318 }
1da177e4
LT		 5319 return;
5320 }
5321 j = 2;
5322 } else {
934d8bf1 5323 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5324 return;
5325 }
5326
5327 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5328 switch(i%3) {
5329 case 0:
5330 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5331 break;
5332 case 1:
5333 key[i/3] |= hexVal(data->wbuffer[i+j]);
5334 break;
5335 }
5336 }
c0380693
DW		 5337
5338 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5339 if (rc < 0) {
5340 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5341 "%d: %d.", index, rc);
5342 }
1da177e4
LT		 5343}
5344
4293ea33
AV		 5345static int proc_wepkey_open( struct inode *inode, struct file *file )
5346{
1da177e4
LT		 5347 struct proc_data *data;
5348 struct proc_dir_entry *dp = PDE(inode);
5349 struct net_device *dev = dp->data;
faf3994a 5350 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5351 char *ptr;
5352 WepKeyRid wkr;
4293ea33 5353 __le16 lastindex;
1da177e4
LT		 5354 int j=0;
5355 int rc;
5356
b69a3aa8 5357 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5358 return -ENOMEM;
1da177e4
LT		 5359 memset(&wkr, 0, sizeof(wkr));
5360 data = (struct proc_data *)file->private_data;
b69a3aa8 5361 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5362 kfree (file->private_data);
5363 return -ENOMEM;
5364 }
1da177e4
LT		 5365 data->writelen = 0;
5366 data->maxwritelen = 80;
b69a3aa8 5367 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5368 kfree (data->rbuffer);
5369 kfree (file->private_data);
5370 return -ENOMEM;
5371 }
1da177e4
LT		 5372 data->on_close = proc_wepkey_on_close;
5373
5374 ptr = data->rbuffer;
5375 strcpy(ptr, "No wep keys\n");
5376 rc = readWepKeyRid(ai, &wkr, 1, 1);
5377 if (rc == SUCCESS) do {
5378 lastindex = wkr.kindex;
4293ea33 5379 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5380 j += sprintf(ptr+j, "Tx key = %d\n",
5381 (int)wkr.mac[0]);
5382 } else {
5383 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5384 le16_to_cpu(wkr.kindex),
5385 le16_to_cpu(wkr.klen));
1da177e4
LT		 5386 }
5387 readWepKeyRid(ai, &wkr, 0, 1);
5388 } while((lastindex != wkr.kindex) && (j < 180-30));
5389
5390 data->readlen = strlen( data->rbuffer );
5391 return 0;
5392}
5393
0dd2212f
AV		 5394static int proc_SSID_open(struct inode *inode, struct file *file)
5395{
1da177e4
LT		 5396 struct proc_data *data;
5397 struct proc_dir_entry *dp = PDE(inode);
5398 struct net_device *dev = dp->data;
faf3994a 5399 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5400 int i;
5401 char *ptr;
5402 SsidRid SSID_rid;
5403
b69a3aa8 5404 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5405 return -ENOMEM;
1da177e4
LT		 5406 data = (struct proc_data *)file->private_data;
5407 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5408 kfree (file->private_data);
5409 return -ENOMEM;
5410 }
5411 data->writelen = 0;
5412 data->maxwritelen = 33*3;
0dd2212f
AV		 5413 /* allocate maxwritelen + 1; we'll want a sentinel */
5414 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5415 kfree (data->rbuffer);
5416 kfree (file->private_data);
5417 return -ENOMEM;
5418 }
1da177e4
LT		 5419 data->on_close = proc_SSID_on_close;
5420
5421 readSsidRid(ai, &SSID_rid);
5422 ptr = data->rbuffer;
0dd2212f 5423 for (i = 0; i < 3; i++) {
1da177e4 5424 int j;
0dd2212f
AV		 5425 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5426 if (!len)
5427 break;
5428 if (len > 32)
5429 len = 32;
5430 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5431 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5432 *ptr++ = '\n';
5433 }
5434 *ptr = '\0';
5435 data->readlen = strlen( data->rbuffer );
5436 return 0;
5437}
5438
5439static int proc_APList_open( struct inode *inode, struct file *file ) {
5440 struct proc_data *data;
5441 struct proc_dir_entry *dp = PDE(inode);
5442 struct net_device *dev = dp->data;
faf3994a 5443 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5444 int i;
5445 char *ptr;
5446 APListRid APList_rid;
5447
b69a3aa8 5448 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5449 return -ENOMEM;
1da177e4
LT		 5450 data = (struct proc_data *)file->private_data;
5451 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5452 kfree (file->private_data);
5453 return -ENOMEM;
5454 }
5455 data->writelen = 0;
5456 data->maxwritelen = 4*6*3;
b69a3aa8 5457 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5458 kfree (data->rbuffer);
5459 kfree (file->private_data);
5460 return -ENOMEM;
5461 }
1da177e4
LT		 5462 data->on_close = proc_APList_on_close;
5463
5464 readAPListRid(ai, &APList_rid);
5465 ptr = data->rbuffer;
5466 for( i = 0; i < 4; i++ ) {
5467// We end when we find a zero MAC
5468 if ( !*(int*)APList_rid.ap[i] &&
5469 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5470 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT		 5471 }
5472 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5473
5474 *ptr = '\0';
5475 data->readlen = strlen( data->rbuffer );
5476 return 0;
5477}
5478
5479static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5480 struct proc_data *data;
5481 struct proc_dir_entry *dp = PDE(inode);
5482 struct net_device *dev = dp->data;
faf3994a 5483 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5484 char *ptr;
5485 BSSListRid BSSList_rid;
5486 int rc;
5487 /* If doLoseSync is not 1, we won't do a Lose Sync */
5488 int doLoseSync = -1;
5489
b69a3aa8 5490 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5491 return -ENOMEM;
1da177e4
LT		 5492 data = (struct proc_data *)file->private_data;
5493 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5494 kfree (file->private_data);
5495 return -ENOMEM;
5496 }
5497 data->writelen = 0;
5498 data->maxwritelen = 0;
5499 data->wbuffer = NULL;
5500 data->on_close = NULL;
5501
5502 if (file->f_mode & FMODE_WRITE) {
5503 if (!(file->f_mode & FMODE_READ)) {
5504 Cmd cmd;
5505 Resp rsp;
5506
5507 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5508 memset(&cmd, 0, sizeof(cmd));
5509 cmd.cmd=CMD_LISTBSS;
5510 if (down_interruptible(&ai->sem))
5511 return -ERESTARTSYS;
5512 issuecommand(ai, &cmd, &rsp);
5513 up(&ai->sem);
5514 data->readlen = 0;
5515 return 0;
5516 }
5517 doLoseSync = 1;
5518 }
5519 ptr = data->rbuffer;
5520 /* There is a race condition here if there are concurrent opens.
5521 Since it is a rare condition, we'll just live with it, otherwise
5522 we have to add a spin lock... */
5523 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5524 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB		 5525 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5526 BSSList_rid.bssid,
1da177e4
LT		 5527 (int)BSSList_rid.ssidLen,
5528 BSSList_rid.ssid,
17e70491 5529 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5530 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5531 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5532 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5533 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5534 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5535 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5536 rc = readBSSListRid(ai, 0, &BSSList_rid);
5537 }
5538 *ptr = '\0';
5539 data->readlen = strlen( data->rbuffer );
5540 return 0;
5541}
5542
5543static int proc_close( struct inode *inode, struct file *file )
5544{
b4558ea9
JJ		 5545 struct proc_data *data = file->private_data;
5546
5547 if (data->on_close != NULL)
5548 data->on_close(inode, file);
5549 kfree(data->rbuffer);
5550 kfree(data->wbuffer);
5551 kfree(data);
1da177e4
LT		 5552 return 0;
5553}
5554
1da177e4
LT		 5555/* Since the card doesn't automatically switch to the right WEP mode,
5556 we will make it do it. If the card isn't associated, every secs we
5557 will switch WEP modes to see if that will help. If the card is
5558 associated we will check every minute to see if anything has
5559 changed. */
5560static void timer_func( struct net_device *dev ) {
faf3994a 5561 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 5562
5563/* We don't have a link so try changing the authtype */
5564 readConfigRid(apriv, 0);
5565 disable_MAC(apriv, 0);
5566 switch(apriv->config.authType) {
5567 case AUTH_ENCRYPT:
5568/* So drop to OPEN */
5569 apriv->config.authType = AUTH_OPEN;
5570 break;
5571 case AUTH_SHAREDKEY:
5572 if (apriv->keyindex < auto_wep) {
c0380693 5573 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT		 5574 apriv->config.authType = AUTH_SHAREDKEY;
5575 apriv->keyindex++;
5576 } else {
5577 /* Drop to ENCRYPT */
5578 apriv->keyindex = 0;
c0380693 5579 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT		 5580 apriv->config.authType = AUTH_ENCRYPT;
5581 }
5582 break;
5583 default: /* We'll escalate to SHAREDKEY */
5584 apriv->config.authType = AUTH_SHAREDKEY;
5585 }
5586 set_bit (FLAG_COMMIT, &apriv->flags);
5587 writeConfigRid(apriv, 0);
175ec1a1 5588 enable_MAC(apriv, 0);
1da177e4
LT		 5589 up(&apriv->sem);
5590
5591/* Schedule check to see if the change worked */
3c304956 5592 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5593 apriv->expires = RUN_AT(HZ*3);
5594}
5595
1da177e4
LT		 5596#ifdef CONFIG_PCI
5597static int __devinit airo_pci_probe(struct pci_dev *pdev,
5598 const struct pci_device_id *pent)
5599{
5600 struct net_device *dev;
5601
5602 if (pci_enable_device(pdev))
5603 return -ENODEV;
5604 pci_set_master(pdev);
5605
5606 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5607 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5608 else
5609 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5610 if (!dev) {
5611 pci_disable_device(pdev);
1da177e4 5612 return -ENODEV;
777ec5e9 5613 }
1da177e4
LT		 5614
5615 pci_set_drvdata(pdev, dev);
5616 return 0;
5617}
5618
5619static void __devexit airo_pci_remove(struct pci_dev *pdev)
5620{
af5b5c9a
MS		 5621 struct net_device *dev = pci_get_drvdata(pdev);
5622
5623 airo_print_info(dev->name, "Unregistering...");
5624 stop_airo_card(dev, 1);
777ec5e9
MS		 5625 pci_disable_device(pdev);
5626 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5627}
5628
05adc3b7 5629static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5630{
5631 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5632 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5633 Cmd cmd;
5634 Resp rsp;
5635
e292c737
PM		 5636 if (!ai->APList)
5637 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5638 if (!ai->APList)
1da177e4 5639 return -ENOMEM;
e292c737
PM		 5640 if (!ai->SSID)
5641 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5642 if (!ai->SSID)
1da177e4
LT		 5643 return -ENOMEM;
5644 readAPListRid(ai, ai->APList);
5645 readSsidRid(ai, ai->SSID);
5646 memset(&cmd, 0, sizeof(cmd));
5647 /* the lock will be released at the end of the resume callback */
5648 if (down_interruptible(&ai->sem))
5649 return -EAGAIN;
5650 disable_MAC(ai, 0);
5651 netif_device_detach(dev);
5652 ai->power = state;
e292c737 5653 cmd.cmd = HOSTSLEEP;
1da177e4
LT		 5654 issuecommand(ai, &cmd, &rsp);
5655
1cc68ae0 5656 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5657 pci_save_state(pdev);
40b93ad6 5658 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5659 return 0;
1da177e4
LT		 5660}
5661
5662static int airo_pci_resume(struct pci_dev *pdev)
5663{
5664 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5665 struct airo_info *ai = dev->ml_priv;
53232803 5666 pci_power_t prev_state = pdev->current_state;
1da177e4 5667
53232803 5668 pci_set_power_state(pdev, PCI_D0);
1da177e4 5669 pci_restore_state(pdev);
53232803 5670 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5671
53232803 5672 if (prev_state != PCI_D1) {
1da177e4
LT		 5673 reset_card(dev, 0);
5674 mpi_init_descriptors(ai);
5675 setup_card(ai, dev->dev_addr, 0);
5676 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5677 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5678 } else {
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 OUT4500(ai, EVACK, EV_AWAKEN);
5681 msleep(100);
5682 }
5683
e292c737 5684 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT		 5685 disable_MAC(ai, 0);
5686 msleep(200);
5687 if (ai->SSID) {
5688 writeSsidRid(ai, ai->SSID, 0);
5689 kfree(ai->SSID);
5690 ai->SSID = NULL;
5691 }
5692 if (ai->APList) {
5693 writeAPListRid(ai, ai->APList, 0);
5694 kfree(ai->APList);
5695 ai->APList = NULL;
5696 }
5697 writeConfigRid(ai, 0);
175ec1a1 5698 enable_MAC(ai, 0);
1cc68ae0 5699 ai->power = PMSG_ON;
1da177e4
LT		 5700 netif_device_attach(dev);
5701 netif_wake_queue(dev);
5702 enable_interrupts(ai);
5703 up(&ai->sem);
5704 return 0;
5705}
5706#endif
5707
5708static int __init airo_init_module( void )
5709{
de897881 5710 int i;
1da177e4 5711
928b4d8c 5712 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5713 S_IFDIR | airo_perm,
928b4d8c 5714 NULL);
de897881
JG		 5715
5716 if (airo_entry) {
5717 airo_entry->uid = proc_uid;
5718 airo_entry->gid = proc_gid;
5719 }
1da177e4 5720
e292c737 5721 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW		 5722 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5723 "io=0x%x", irq[i], io[i] );
1da177e4 5724 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5725 /* do nothing */ ;
1da177e4
LT		 5726 }
5727
5728#ifdef CONFIG_PCI
934d8bf1 5729 airo_print_info("", "Probing for PCI adapters");
de897881 5730 i = pci_register_driver(&airo_driver);
934d8bf1 5731 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5732
5733 if (i) {
928b4d8c 5734 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5735 return i;
5736 }
1da177e4
LT		 5737#endif
5738
5739 /* Always exit with success, as we are a library module
5740 * as well as a driver module
5741 */
5742 return 0;
5743}
5744
5745static void __exit airo_cleanup_module( void )
5746{
af5b5c9a
MS		 5747 struct airo_info *ai;
5748 while(!list_empty(&airo_devices)) {
5749 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5750 airo_print_info(ai->dev->name, "Unregistering...");
5751 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5752 }
5753#ifdef CONFIG_PCI
5754 pci_unregister_driver(&airo_driver);
5755#endif
928b4d8c 5756 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5757}
5758
1da177e4
LT		 5759/*
5760 * Initial Wireless Extension code for Aironet driver by :
5761 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5762 * Conversion to new driver API by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5764 * Javier also did a good amount of work here, adding some new extensions
5765 * and fixing my code. Let's just say that without him this code just
5766 * would not work at all... - Jean II
5767 */
5768
41480af2
DW		 5769static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5770{
e292c737 5771 if (!rssi_rid)
41480af2
DW		 5772 return 0;
5773
5774 return (0x100 - rssi_rid[rssi].rssidBm);
5775}
5776
5777static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5778{
5779 int i;
5780
e292c737 5781 if (!rssi_rid)
41480af2
DW		 5782 return 0;
5783
e292c737 5784 for (i = 0; i < 256; i++)
41480af2
DW		 5785 if (rssi_rid[i].rssidBm == dbm)
5786 return rssi_rid[i].rssipct;
5787
5788 return 0;
5789}
5790
5791
1da177e4
LT		 5792static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5793{
5794 int quality = 0;
329e2c00 5795 u16 sq;
1da177e4 5796
329e2c00 5797 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5798 return 0;
5799
5800 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5801 return 0;
5802
329e2c00 5803 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5804 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5805 if (sq > 0x20)
56d81bd3 5806 quality = 0;
1da177e4 5807 else
329e2c00 5808 quality = 0x20 - sq;
56d81bd3 5809 else
329e2c00 5810 if (sq > 0xb0)
56d81bd3 5811 quality = 0;
329e2c00 5812 else if (sq < 0x10)
56d81bd3
AV		 5813 quality = 0xa0;
5814 else
329e2c00 5815 quality = 0xb0 - sq;
1da177e4
LT		 5816 return quality;
5817}
5818
5819#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5820#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5821
5822/*------------------------------------------------------------------*/
5823/*
5824 * Wireless Handler : get protocol name
5825 */
5826static int airo_get_name(struct net_device *dev,
5827 struct iw_request_info *info,
5828 char *cwrq,
5829 char *extra)
5830{
5831 strcpy(cwrq, "IEEE 802.11-DS");
5832 return 0;
5833}
5834
5835/*------------------------------------------------------------------*/
5836/*
5837 * Wireless Handler : set frequency
5838 */
5839static int airo_set_freq(struct net_device *dev,
5840 struct iw_request_info *info,
5841 struct iw_freq *fwrq,
5842 char *extra)
5843{
faf3994a 5844 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5845 int rc = -EINPROGRESS; /* Call commit handler */
5846
5847 /* If setting by frequency, convert to a channel */
9ee677c2 5848 if(fwrq->e == 1) {
1da177e4 5849 int f = fwrq->m / 100000;
9ee677c2 5850
1da177e4
LT		 5851 /* Hack to fall through... */
5852 fwrq->e = 0;
9ee677c2 5853 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT		 5854 }
5855 /* Setting by channel number */
5856 if((fwrq->m > 1000) || (fwrq->e > 0))
5857 rc = -EOPNOTSUPP;
5858 else {
5859 int channel = fwrq->m;
5860 /* We should do a better check than that,
5861 * based on the card capability !!! */
2610c733 5862 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5863 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5864 fwrq->m);
1da177e4
LT		 5865 rc = -EINVAL;
5866 } else {
5867 readConfigRid(local, 1);
5868 /* Yes ! We can set it !!! */
3eb9b41f 5869 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5870 set_bit (FLAG_COMMIT, &local->flags);
5871 }
5872 }
5873 return rc;
5874}
5875
5876/*------------------------------------------------------------------*/
5877/*
5878 * Wireless Handler : get frequency
5879 */
5880static int airo_get_freq(struct net_device *dev,
5881 struct iw_request_info *info,
5882 struct iw_freq *fwrq,
5883 char *extra)
5884{
faf3994a 5885 struct airo_info *local = dev->ml_priv;
1da177e4 5886 StatusRid status_rid; /* Card status info */
2610c733 5887 int ch;
1da177e4
LT		 5888
5889 readConfigRid(local, 1);
3eb9b41f
AV		 5890 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5891 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5892 else
5893 readStatusRid(local, &status_rid, 1);
5894
329e2c00 5895 ch = le16_to_cpu(status_rid.channel);
2610c733 5896 if((ch > 0) && (ch < 15)) {
9ee677c2 5897 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5898 fwrq->e = 1;
2610c733
JA		 5899 } else {
5900 fwrq->m = ch;
5901 fwrq->e = 0;
1da177e4 5902 }
1da177e4
LT		 5903
5904 return 0;
5905}
5906
5907/*------------------------------------------------------------------*/
5908/*
5909 * Wireless Handler : set ESSID
5910 */
5911static int airo_set_essid(struct net_device *dev,
5912 struct iw_request_info *info,
5913 struct iw_point *dwrq,
5914 char *extra)
5915{
faf3994a 5916 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5917 SsidRid SSID_rid; /* SSIDs */
5918
5919 /* Reload the list of current SSID */
5920 readSsidRid(local, &SSID_rid);
5921
5922 /* Check if we asked for `any' */
3d0ccd02 5923 if (dwrq->flags == 0) {
1da177e4
LT		 5924 /* Just send an empty SSID list */
5925 memset(&SSID_rid, 0, sizeof(SSID_rid));
5926 } else {
3d0ccd02 5927 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1da177e4
LT		 5928
5929 /* Check the size of the string */
3d0ccd02 5930 if (dwrq->length > IW_ESSID_MAX_SIZE)
1da177e4 5931 return -E2BIG ;
3d0ccd02 5932
1da177e4 5933 /* Check if index is valid */
3d0ccd02 5934 if (index >= ARRAY_SIZE(SSID_rid.ssids))
1da177e4 5935 return -EINVAL;
1da177e4
LT		 5936
5937 /* Set the SSID */
5938 memset(SSID_rid.ssids[index].ssid, 0,
5939 sizeof(SSID_rid.ssids[index].ssid));
5940 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5941 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5942 }
0dd2212f 5943 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5944 /* Write it to the card */
5945 disable_MAC(local, 1);
5946 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5947 enable_MAC(local, 1);
1da177e4
LT		 5948
5949 return 0;
5950}
5951
5952/*------------------------------------------------------------------*/
5953/*
5954 * Wireless Handler : get ESSID
5955 */
5956static int airo_get_essid(struct net_device *dev,
5957 struct iw_request_info *info,
5958 struct iw_point *dwrq,
5959 char *extra)
5960{
faf3994a 5961 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5962 StatusRid status_rid; /* Card status info */
5963
5964 readStatusRid(local, &status_rid, 1);
5965
5966 /* Note : if dwrq->flags != 0, we should
5967 * get the relevant SSID from the SSID list... */
5968
5969 /* Get the current SSID */
329e2c00 5970 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5971 /* If none, we may want to get the one that was set */
5972
5973 /* Push it out ! */
329e2c00 5974 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5975 dwrq->flags = 1; /* active */
5976
5977 return 0;
5978}
5979
5980/*------------------------------------------------------------------*/
5981/*
5982 * Wireless Handler : set AP address
5983 */
5984static int airo_set_wap(struct net_device *dev,
5985 struct iw_request_info *info,
5986 struct sockaddr *awrq,
5987 char *extra)
5988{
faf3994a 5989 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5990 Cmd cmd;
5991 Resp rsp;
5992 APListRid APList_rid;
4be757dd
DW		 5993 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5994 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5995
5996 if (awrq->sa_family != ARPHRD_ETHER)
5997 return -EINVAL;
4be757dd
DW		 5998 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5999 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 6000 memset(&cmd, 0, sizeof(cmd));
6001 cmd.cmd=CMD_LOSE_SYNC;
6002 if (down_interruptible(&local->sem))
6003 return -ERESTARTSYS;
6004 issuecommand(local, &cmd, &rsp);
6005 up(&local->sem);
6006 } else {
6007 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 6008 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 6009 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6010 disable_MAC(local, 1);
6011 writeAPListRid(local, &APList_rid, 1);
175ec1a1 6012 enable_MAC(local, 1);
1da177e4
LT		 6013 }
6014 return 0;
6015}
6016
6017/*------------------------------------------------------------------*/
6018/*
6019 * Wireless Handler : get AP address
6020 */
6021static int airo_get_wap(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct sockaddr *awrq,
6024 char *extra)
6025{
faf3994a 6026 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6027 StatusRid status_rid; /* Card status info */
6028
6029 readStatusRid(local, &status_rid, 1);
6030
6031 /* Tentative. This seems to work, wow, I'm lucky !!! */
6032 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6033 awrq->sa_family = ARPHRD_ETHER;
6034
6035 return 0;
6036}
6037
6038/*------------------------------------------------------------------*/
6039/*
6040 * Wireless Handler : set Nickname
6041 */
6042static int airo_set_nick(struct net_device *dev,
6043 struct iw_request_info *info,
6044 struct iw_point *dwrq,
6045 char *extra)
6046{
faf3994a 6047 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6048
6049 /* Check the size of the string */
7f8544cc 6050 if(dwrq->length > 16) {
1da177e4
LT		 6051 return -E2BIG;
6052 }
6053 readConfigRid(local, 1);
6054 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6055 memcpy(local->config.nodeName, extra, dwrq->length);
6056 set_bit (FLAG_COMMIT, &local->flags);
6057
6058 return -EINPROGRESS; /* Call commit handler */
6059}
6060
6061/*------------------------------------------------------------------*/
6062/*
6063 * Wireless Handler : get Nickname
6064 */
6065static int airo_get_nick(struct net_device *dev,
6066 struct iw_request_info *info,
6067 struct iw_point *dwrq,
6068 char *extra)
6069{
faf3994a 6070 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6071
6072 readConfigRid(local, 1);
6073 strncpy(extra, local->config.nodeName, 16);
6074 extra[16] = '\0';
7f8544cc 6075 dwrq->length = strlen(extra);
1da177e4
LT		 6076
6077 return 0;
6078}
6079
6080/*------------------------------------------------------------------*/
6081/*
6082 * Wireless Handler : set Bit-Rate
6083 */
6084static int airo_set_rate(struct net_device *dev,
6085 struct iw_request_info *info,
6086 struct iw_param *vwrq,
6087 char *extra)
6088{
faf3994a 6089 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6090 CapabilityRid cap_rid; /* Card capability info */
6091 u8 brate = 0;
6092 int i;
6093
6094 /* First : get a valid bit rate value */
6095 readCapabilityRid(local, &cap_rid, 1);
6096
6097 /* Which type of value ? */
6098 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6099 /* Setting by rate index */
6100 /* Find value in the magic rate table */
6101 brate = cap_rid.supportedRates[vwrq->value];
6102 } else {
6103 /* Setting by frequency value */
6104 u8 normvalue = (u8) (vwrq->value/500000);
6105
6106 /* Check if rate is valid */
6107 for(i = 0 ; i < 8 ; i++) {
6108 if(normvalue == cap_rid.supportedRates[i]) {
6109 brate = normvalue;
6110 break;
6111 }
6112 }
6113 }
6114 /* -1 designed the max rate (mostly auto mode) */
6115 if(vwrq->value == -1) {
6116 /* Get the highest available rate */
6117 for(i = 0 ; i < 8 ; i++) {
6118 if(cap_rid.supportedRates[i] == 0)
6119 break;
6120 }
6121 if(i != 0)
6122 brate = cap_rid.supportedRates[i - 1];
6123 }
6124 /* Check that it is valid */
6125 if(brate == 0) {
6126 return -EINVAL;
6127 }
6128
6129 readConfigRid(local, 1);
6130 /* Now, check if we want a fixed or auto value */
6131 if(vwrq->fixed == 0) {
6132 /* Fill all the rates up to this max rate */
6133 memset(local->config.rates, 0, 8);
6134 for(i = 0 ; i < 8 ; i++) {
6135 local->config.rates[i] = cap_rid.supportedRates[i];
6136 if(local->config.rates[i] == brate)
6137 break;
6138 }
6139 } else {
6140 /* Fixed mode */
6141 /* One rate, fixed */
6142 memset(local->config.rates, 0, 8);
6143 local->config.rates[0] = brate;
6144 }
6145 set_bit (FLAG_COMMIT, &local->flags);
6146
6147 return -EINPROGRESS; /* Call commit handler */
6148}
6149
6150/*------------------------------------------------------------------*/
6151/*
6152 * Wireless Handler : get Bit-Rate
6153 */
6154static int airo_get_rate(struct net_device *dev,
6155 struct iw_request_info *info,
6156 struct iw_param *vwrq,
6157 char *extra)
6158{
faf3994a 6159 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6160 StatusRid status_rid; /* Card status info */
6161
6162 readStatusRid(local, &status_rid, 1);
6163
329e2c00 6164 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6165 /* If more than one rate, set auto */
6166 readConfigRid(local, 1);
6167 vwrq->fixed = (local->config.rates[1] == 0);
6168
6169 return 0;
6170}
6171
6172/*------------------------------------------------------------------*/
6173/*
6174 * Wireless Handler : set RTS threshold
6175 */
6176static int airo_set_rts(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_param *vwrq,
6179 char *extra)
6180{
faf3994a 6181 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6182 int rthr = vwrq->value;
6183
6184 if(vwrq->disabled)
15db2763
DW		 6185 rthr = AIRO_DEF_MTU;
6186 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6187 return -EINVAL;
6188 }
6189 readConfigRid(local, 1);
3eb9b41f 6190 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6191 set_bit (FLAG_COMMIT, &local->flags);
6192
6193 return -EINPROGRESS; /* Call commit handler */
6194}
6195
6196/*------------------------------------------------------------------*/
6197/*
6198 * Wireless Handler : get RTS threshold
6199 */
6200static int airo_get_rts(struct net_device *dev,
6201 struct iw_request_info *info,
6202 struct iw_param *vwrq,
6203 char *extra)
6204{
faf3994a 6205 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6206
6207 readConfigRid(local, 1);
3eb9b41f 6208 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6209 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6210 vwrq->fixed = 1;
6211
6212 return 0;
6213}
6214
6215/*------------------------------------------------------------------*/
6216/*
6217 * Wireless Handler : set Fragmentation threshold
6218 */
6219static int airo_set_frag(struct net_device *dev,
6220 struct iw_request_info *info,
6221 struct iw_param *vwrq,
6222 char *extra)
6223{
faf3994a 6224 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6225 int fthr = vwrq->value;
6226
6227 if(vwrq->disabled)
15db2763
DW		 6228 fthr = AIRO_DEF_MTU;
6229 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6230 return -EINVAL;
6231 }
6232 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6233 readConfigRid(local, 1);
3eb9b41f 6234 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6235 set_bit (FLAG_COMMIT, &local->flags);
6236
6237 return -EINPROGRESS; /* Call commit handler */
6238}
6239
6240/*------------------------------------------------------------------*/
6241/*
6242 * Wireless Handler : get Fragmentation threshold
6243 */
6244static int airo_get_frag(struct net_device *dev,
6245 struct iw_request_info *info,
6246 struct iw_param *vwrq,
6247 char *extra)
6248{
faf3994a 6249 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6250
6251 readConfigRid(local, 1);
3eb9b41f 6252 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6253 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6254 vwrq->fixed = 1;
6255
6256 return 0;
6257}
6258
6259/*------------------------------------------------------------------*/
6260/*
6261 * Wireless Handler : set Mode of Operation
6262 */
6263static int airo_set_mode(struct net_device *dev,
6264 struct iw_request_info *info,
6265 __u32 *uwrq,
6266 char *extra)
6267{
faf3994a 6268 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6269 int reset = 0;
6270
6271 readConfigRid(local, 1);
3eb9b41f 6272 if (sniffing_mode(local))
1da177e4
LT		 6273 reset = 1;
6274
6275 switch(*uwrq) {
6276 case IW_MODE_ADHOC:
3eb9b41f 6277 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6278 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6279 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6280 local->config.scanMode = SCANMODE_ACTIVE;
6281 clear_bit (FLAG_802_11, &local->flags);
6282 break;
6283 case IW_MODE_INFRA:
3eb9b41f 6284 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6285 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6286 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6287 local->config.scanMode = SCANMODE_ACTIVE;
6288 clear_bit (FLAG_802_11, &local->flags);
6289 break;
6290 case IW_MODE_MASTER:
3eb9b41f 6291 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6292 local->config.opmode |= MODE_AP;
3eb9b41f 6293 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6294 local->config.scanMode = SCANMODE_ACTIVE;
6295 clear_bit (FLAG_802_11, &local->flags);
6296 break;
6297 case IW_MODE_REPEAT:
3eb9b41f 6298 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6299 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6300 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6301 local->config.scanMode = SCANMODE_ACTIVE;
6302 clear_bit (FLAG_802_11, &local->flags);
6303 break;
6304 case IW_MODE_MONITOR:
3eb9b41f 6305 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6306 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6307 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6308 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6309 local->config.scanMode = SCANMODE_PASSIVE;
6310 set_bit (FLAG_802_11, &local->flags);
6311 break;
6312 default:
6313 return -EINVAL;
6314 }
6315 if (reset)
6316 set_bit (FLAG_RESET, &local->flags);
6317 set_bit (FLAG_COMMIT, &local->flags);
6318
6319 return -EINPROGRESS; /* Call commit handler */
6320}
6321
6322/*------------------------------------------------------------------*/
6323/*
6324 * Wireless Handler : get Mode of Operation
6325 */
6326static int airo_get_mode(struct net_device *dev,
6327 struct iw_request_info *info,
6328 __u32 *uwrq,
6329 char *extra)
6330{
faf3994a 6331 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6332
6333 readConfigRid(local, 1);
6334 /* If not managed, assume it's ad-hoc */
3eb9b41f 6335 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6336 case MODE_STA_ESS:
6337 *uwrq = IW_MODE_INFRA;
6338 break;
6339 case MODE_AP:
6340 *uwrq = IW_MODE_MASTER;
6341 break;
6342 case MODE_AP_RPTR:
6343 *uwrq = IW_MODE_REPEAT;
6344 break;
6345 default:
6346 *uwrq = IW_MODE_ADHOC;
6347 }
6348
6349 return 0;
6350}
6351
138c0c68 6352static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6353{
138c0c68 6354 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV		 6355}
6356
1da177e4
LT		 6357/*------------------------------------------------------------------*/
6358/*
6359 * Wireless Handler : set Encryption Key
6360 */
6361static int airo_set_encode(struct net_device *dev,
6362 struct iw_request_info *info,
6363 struct iw_point *dwrq,
6364 char *extra)
6365{
faf3994a 6366 struct airo_info *local = dev->ml_priv;
c0380693 6367 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6368 __le16 currentAuthType = local->config.authType;
c0380693 6369 int rc = 0;
1da177e4 6370
138c0c68 6371 if (!local->wep_capable)
1da177e4 6372 return -EOPNOTSUPP;
138c0c68 6373
1da177e4
LT		 6374 readConfigRid(local, 1);
6375
6376 /* Basic checking: do we have a key to set ?
6377 * Note : with the new API, it's impossible to get a NULL pointer.
6378 * Therefore, we need to check a key size == 0 instead.
6379 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6380 * when no key is present (only change flags), but older versions
6381 * don't do it. - Jean II */
6382 if (dwrq->length > 0) {
6383 wep_key_t key;
6384 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6385 int current_index;
138c0c68 6386
1da177e4
LT		 6387 /* Check the size of the key */
6388 if (dwrq->length > MAX_KEY_SIZE) {
6389 return -EINVAL;
6390 }
138c0c68 6391
c0380693
DW		 6392 current_index = get_wep_tx_idx(local);
6393 if (current_index < 0)
6394 current_index = 0;
6395
1da177e4 6396 /* Check the index (none -> use current) */
138c0c68 6397 if (!valid_index(local, index))
1da177e4 6398 index = current_index;
138c0c68 6399
1da177e4
LT		 6400 /* Set the length */
6401 if (dwrq->length > MIN_KEY_SIZE)
6402 key.len = MAX_KEY_SIZE;
6403 else
f09c2563 6404 key.len = MIN_KEY_SIZE;
1da177e4
LT		 6405 /* Check if the key is not marked as invalid */
6406 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6407 /* Cleanup */
6408 memset(key.key, 0, MAX_KEY_SIZE);
6409 /* Copy the key in the driver */
6410 memcpy(key.key, extra, dwrq->length);
6411 /* Send the key to the card */
c0380693
DW		 6412 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6413 if (rc < 0) {
6414 airo_print_err(local->dev->name, "failed to set"
6415 " WEP key at index %d: %d.",
6416 index, rc);
6417 return rc;
6418 }
1da177e4
LT		 6419 }
6420 /* WE specify that if a valid key is set, encryption
6421 * should be enabled (user may turn it off later)
6422 * This is also how "iwconfig ethX key on" works */
6423 if((index == current_index) && (key.len > 0) &&
6424 (local->config.authType == AUTH_OPEN)) {
6425 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6426 }
6427 } else {
6428 /* Do we want to just set the transmit key index ? */
6429 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW		 6430 if (valid_index(local, index)) {
6431 rc = set_wep_tx_idx(local, index, perm, 1);
6432 if (rc < 0) {
6433 airo_print_err(local->dev->name, "failed to set"
6434 " WEP transmit index to %d: %d.",
6435 index, rc);
6436 return rc;
6437 }
6438 } else {
1da177e4 6439 /* Don't complain if only change the mode */
93a3b607 6440 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6441 return -EINVAL;
138c0c68 6442 }
1da177e4
LT		 6443 }
6444 /* Read the flags */
6445 if(dwrq->flags & IW_ENCODE_DISABLED)
6446 local->config.authType = AUTH_OPEN; // disable encryption
6447 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6448 local->config.authType = AUTH_SHAREDKEY; // Only Both
6449 if(dwrq->flags & IW_ENCODE_OPEN)
6450 local->config.authType = AUTH_ENCRYPT; // Only Wep
6451 /* Commit the changes to flags if needed */
f89b2321 6452 if (local->config.authType != currentAuthType)
1da177e4
LT		 6453 set_bit (FLAG_COMMIT, &local->flags);
6454 return -EINPROGRESS; /* Call commit handler */
6455}
6456
6457/*------------------------------------------------------------------*/
6458/*
6459 * Wireless Handler : get Encryption Key
6460 */
6461static int airo_get_encode(struct net_device *dev,
6462 struct iw_request_info *info,
6463 struct iw_point *dwrq,
6464 char *extra)
6465{
faf3994a 6466 struct airo_info *local = dev->ml_priv;
1da177e4 6467 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
267d493b 6468 int wep_key_len;
c0380693 6469 u8 buf[16];
1da177e4 6470
138c0c68 6471 if (!local->wep_capable)
1da177e4 6472 return -EOPNOTSUPP;
138c0c68 6473
1da177e4 6474 readConfigRid(local, 1);
138c0c68 6475
1da177e4
LT		 6476 /* Check encryption mode */
6477 switch(local->config.authType) {
6478 case AUTH_ENCRYPT:
6479 dwrq->flags = IW_ENCODE_OPEN;
6480 break;
6481 case AUTH_SHAREDKEY:
6482 dwrq->flags = IW_ENCODE_RESTRICTED;
6483 break;
6484 default:
6485 case AUTH_OPEN:
6486 dwrq->flags = IW_ENCODE_DISABLED;
6487 break;
6488 }
6489 /* We can't return the key, so set the proper flag and return zero */
6490 dwrq->flags |= IW_ENCODE_NOKEY;
6491 memset(extra, 0, 16);
6492
6493 /* Which key do we want ? -1 -> tx index */
c0380693
DW		 6494 if (!valid_index(local, index)) {
6495 index = get_wep_tx_idx(local);
6496 if (index < 0)
6497 index = 0;
6498 }
1da177e4 6499 dwrq->flags |= index + 1;
c0380693 6500
1da177e4 6501 /* Copy the key to the user buffer */
267d493b
JL		 6502 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6503 if (wep_key_len < 0) {
aedec922 6504 dwrq->length = 0;
267d493b
JL		 6505 } else {
6506 dwrq->length = wep_key_len;
6507 memcpy(extra, buf, dwrq->length);
6508 }
c0380693 6509
1da177e4
LT		 6510 return 0;
6511}
6512
4be757dd
DW		 6513/*------------------------------------------------------------------*/
6514/*
6515 * Wireless Handler : set extended Encryption parameters
6516 */
6517static int airo_set_encodeext(struct net_device *dev,
6518 struct iw_request_info *info,
6519 union iwreq_data *wrqu,
6520 char *extra)
6521{
faf3994a 6522 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6523 struct iw_point *encoding = &wrqu->encoding;
6524 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6525 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6526 __le16 currentAuthType = local->config.authType;
c0380693 6527 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW		 6528 wep_key_t key;
6529
138c0c68 6530 if (!local->wep_capable)
4be757dd 6531 return -EOPNOTSUPP;
138c0c68 6532
4be757dd
DW		 6533 readConfigRid(local, 1);
6534
6535 /* Determine and validate the key index */
6536 idx = encoding->flags & IW_ENCODE_INDEX;
6537 if (idx) {
138c0c68 6538 if (!valid_index(local, idx - 1))
4be757dd
DW		 6539 return -EINVAL;
6540 idx--;
c0380693
DW		 6541 } else {
6542 idx = get_wep_tx_idx(local);
6543 if (idx < 0)
6544 idx = 0;
6545 }
4be757dd
DW		 6546
6547 if (encoding->flags & IW_ENCODE_DISABLED)
6548 alg = IW_ENCODE_ALG_NONE;
6549
4be757dd 6550 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6551 /* Only set transmit key index here, actual
6552 * key is set below if needed.
6553 */
c0380693
DW		 6554 rc = set_wep_tx_idx(local, idx, perm, 1);
6555 if (rc < 0) {
6556 airo_print_err(local->dev->name, "failed to set "
6557 "WEP transmit index to %d: %d.",
6558 idx, rc);
6559 return rc;
6560 }
22d8846e
DW		 6561 set_key = ext->key_len > 0 ? 1 : 0;
6562 }
6563
6564 if (set_key) {
4be757dd
DW		 6565 /* Set the requested key first */
6566 memset(key.key, 0, MAX_KEY_SIZE);
6567 switch (alg) {
6568 case IW_ENCODE_ALG_NONE:
6569 key.len = 0;
6570 break;
6571 case IW_ENCODE_ALG_WEP:
6572 if (ext->key_len > MIN_KEY_SIZE) {
6573 key.len = MAX_KEY_SIZE;
6574 } else if (ext->key_len > 0) {
6575 key.len = MIN_KEY_SIZE;
6576 } else {
6577 return -EINVAL;
6578 }
6579 key_len = min (ext->key_len, key.len);
6580 memcpy(key.key, ext->key, key_len);
6581 break;
6582 default:
6583 return -EINVAL;
6584 }
f09c2563
SG		 6585 if (key.len == 0) {
6586 rc = set_wep_tx_idx(local, idx, perm, 1);
6587 if (rc < 0) {
6588 airo_print_err(local->dev->name,
6589 "failed to set WEP transmit index to %d: %d.",
6590 idx, rc);
6591 return rc;
6592 }
6593 } else {
6594 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6595 if (rc < 0) {
6596 airo_print_err(local->dev->name,
6597 "failed to set WEP key at index %d: %d.",
6598 idx, rc);
6599 return rc;
6600 }
c0380693 6601 }
4be757dd
DW		 6602 }
6603
6604 /* Read the flags */
6605 if(encoding->flags & IW_ENCODE_DISABLED)
6606 local->config.authType = AUTH_OPEN; // disable encryption
6607 if(encoding->flags & IW_ENCODE_RESTRICTED)
6608 local->config.authType = AUTH_SHAREDKEY; // Only Both
6609 if(encoding->flags & IW_ENCODE_OPEN)
6610 local->config.authType = AUTH_ENCRYPT; // Only Wep
6611 /* Commit the changes to flags if needed */
6612 if (local->config.authType != currentAuthType)
6613 set_bit (FLAG_COMMIT, &local->flags);
6614
6615 return -EINPROGRESS;
6616}
6617
6618
6619/*------------------------------------------------------------------*/
6620/*
6621 * Wireless Handler : get extended Encryption parameters
6622 */
6623static int airo_get_encodeext(struct net_device *dev,
6624 struct iw_request_info *info,
6625 union iwreq_data *wrqu,
6626 char *extra)
6627{
faf3994a 6628 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6629 struct iw_point *encoding = &wrqu->encoding;
6630 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
267d493b 6631 int idx, max_key_len, wep_key_len;
c0380693 6632 u8 buf[16];
4be757dd 6633
138c0c68 6634 if (!local->wep_capable)
4be757dd 6635 return -EOPNOTSUPP;
138c0c68 6636
4be757dd
DW		 6637 readConfigRid(local, 1);
6638
6639 max_key_len = encoding->length - sizeof(*ext);
6640 if (max_key_len < 0)
6641 return -EINVAL;
6642
6643 idx = encoding->flags & IW_ENCODE_INDEX;
6644 if (idx) {
138c0c68 6645 if (!valid_index(local, idx - 1))
4be757dd
DW		 6646 return -EINVAL;
6647 idx--;
c0380693
DW		 6648 } else {
6649 idx = get_wep_tx_idx(local);
6650 if (idx < 0)
6651 idx = 0;
6652 }
4be757dd
DW		 6653
6654 encoding->flags = idx + 1;
6655 memset(ext, 0, sizeof(*ext));
6656
6657 /* Check encryption mode */
6658 switch(local->config.authType) {
6659 case AUTH_ENCRYPT:
6660 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6661 break;
6662 case AUTH_SHAREDKEY:
6663 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6664 break;
6665 default:
6666 case AUTH_OPEN:
6667 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6668 break;
6669 }
6670 /* We can't return the key, so set the proper flag and return zero */
6671 encoding->flags |= IW_ENCODE_NOKEY;
6672 memset(extra, 0, 16);
6673
6674 /* Copy the key to the user buffer */
267d493b
JL		 6675 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6676 if (wep_key_len < 0) {
aedec922 6677 ext->key_len = 0;
267d493b
JL		 6678 } else {
6679 ext->key_len = wep_key_len;
6680 memcpy(extra, buf, ext->key_len);
6681 }
4be757dd
DW		 6682
6683 return 0;
6684}
6685
6686
6687/*------------------------------------------------------------------*/
6688/*
6689 * Wireless Handler : set extended authentication parameters
6690 */
6691static int airo_set_auth(struct net_device *dev,
6692 struct iw_request_info *info,
6693 union iwreq_data *wrqu, char *extra)
6694{
faf3994a 6695 struct airo_info *local = dev->ml_priv;
4be757dd 6696 struct iw_param *param = &wrqu->param;
3eb9b41f 6697 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6698
6699 switch (param->flags & IW_AUTH_INDEX) {
6700 case IW_AUTH_WPA_VERSION:
6701 case IW_AUTH_CIPHER_PAIRWISE:
6702 case IW_AUTH_CIPHER_GROUP:
6703 case IW_AUTH_KEY_MGMT:
6704 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6705 case IW_AUTH_PRIVACY_INVOKED:
6706 /*
6707 * airo does not use these parameters
6708 */
6709 break;
6710
6711 case IW_AUTH_DROP_UNENCRYPTED:
6712 if (param->value) {
6713 /* Only change auth type if unencrypted */
6714 if (currentAuthType == AUTH_OPEN)
6715 local->config.authType = AUTH_ENCRYPT;
6716 } else {
6717 local->config.authType = AUTH_OPEN;
6718 }
6719
6720 /* Commit the changes to flags if needed */
6721 if (local->config.authType != currentAuthType)
6722 set_bit (FLAG_COMMIT, &local->flags);
6723 break;
6724
6725 case IW_AUTH_80211_AUTH_ALG: {
6726 /* FIXME: What about AUTH_OPEN? This API seems to
6727 * disallow setting our auth to AUTH_OPEN.
6728 */
6729 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6730 local->config.authType = AUTH_SHAREDKEY;
6731 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6732 local->config.authType = AUTH_ENCRYPT;
6733 } else
6734 return -EINVAL;
4be757dd
DW		 6735
6736 /* Commit the changes to flags if needed */
6737 if (local->config.authType != currentAuthType)
6738 set_bit (FLAG_COMMIT, &local->flags);
011f5c5b 6739 break;
4be757dd
DW		 6740 }
6741
6742 case IW_AUTH_WPA_ENABLED:
6743 /* Silently accept disable of WPA */
6744 if (param->value > 0)
6745 return -EOPNOTSUPP;
6746 break;
6747
6748 default:
6749 return -EOPNOTSUPP;
6750 }
6751 return -EINPROGRESS;
6752}
6753
6754
6755/*------------------------------------------------------------------*/
6756/*
6757 * Wireless Handler : get extended authentication parameters
6758 */
6759static int airo_get_auth(struct net_device *dev,
6760 struct iw_request_info *info,
6761 union iwreq_data *wrqu, char *extra)
6762{
faf3994a 6763 struct airo_info *local = dev->ml_priv;
4be757dd 6764 struct iw_param *param = &wrqu->param;
3eb9b41f 6765 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6766
6767 switch (param->flags & IW_AUTH_INDEX) {
6768 case IW_AUTH_DROP_UNENCRYPTED:
6769 switch (currentAuthType) {
6770 case AUTH_SHAREDKEY:
6771 case AUTH_ENCRYPT:
6772 param->value = 1;
6773 break;
6774 default:
6775 param->value = 0;
6776 break;
6777 }
6778 break;
6779
6780 case IW_AUTH_80211_AUTH_ALG:
6781 switch (currentAuthType) {
6782 case AUTH_SHAREDKEY:
6783 param->value = IW_AUTH_ALG_SHARED_KEY;
6784 break;
6785 case AUTH_ENCRYPT:
6786 default:
6787 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6788 break;
6789 }
6790 break;
6791
6792 case IW_AUTH_WPA_ENABLED:
6793 param->value = 0;
6794 break;
6795
6796 default:
6797 return -EOPNOTSUPP;
6798 }
6799 return 0;
6800}
6801
6802
1da177e4
LT		 6803/*------------------------------------------------------------------*/
6804/*
6805 * Wireless Handler : set Tx-Power
6806 */
6807static int airo_set_txpow(struct net_device *dev,
6808 struct iw_request_info *info,
6809 struct iw_param *vwrq,
6810 char *extra)
6811{
faf3994a 6812 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6813 CapabilityRid cap_rid; /* Card capability info */
6814 int i;
6815 int rc = -EINVAL;
3eb9b41f 6816 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6817
6818 readCapabilityRid(local, &cap_rid, 1);
6819
6820 if (vwrq->disabled) {
6821 set_bit (FLAG_RADIO_OFF, &local->flags);
6822 set_bit (FLAG_COMMIT, &local->flags);
6823 return -EINPROGRESS; /* Call commit handler */
6824 }
6825 if (vwrq->flags != IW_TXPOW_MWATT) {
6826 return -EINVAL;
6827 }
6828 clear_bit (FLAG_RADIO_OFF, &local->flags);
3d0ccd02 6829 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
3eb9b41f 6830 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6831 readConfigRid(local, 1);
3eb9b41f 6832 local->config.txPower = v;
1da177e4
LT		 6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6835 break;
6836 }
6837 return rc;
6838}
6839
6840/*------------------------------------------------------------------*/
6841/*
6842 * Wireless Handler : get Tx-Power
6843 */
6844static int airo_get_txpow(struct net_device *dev,
6845 struct iw_request_info *info,
6846 struct iw_param *vwrq,
6847 char *extra)
6848{
faf3994a 6849 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6850
6851 readConfigRid(local, 1);
3eb9b41f 6852 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6853 vwrq->fixed = 1; /* No power control */
6854 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6855 vwrq->flags = IW_TXPOW_MWATT;
6856
6857 return 0;
6858}
6859
6860/*------------------------------------------------------------------*/
6861/*
6862 * Wireless Handler : set Retry limits
6863 */
6864static int airo_set_retry(struct net_device *dev,
6865 struct iw_request_info *info,
6866 struct iw_param *vwrq,
6867 char *extra)
6868{
faf3994a 6869 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6870 int rc = -EINVAL;
6871
6872 if(vwrq->disabled) {
6873 return -EINVAL;
6874 }
6875 readConfigRid(local, 1);
6876 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6877 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6878 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6879 local->config.longRetryLimit = v;
7f8544cc 6880 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6881 local->config.shortRetryLimit = v;
1da177e4
LT		 6882 else {
6883 /* No modifier : set both */
3eb9b41f
AV		 6884 local->config.longRetryLimit = v;
6885 local->config.shortRetryLimit = v;
1da177e4
LT		 6886 }
6887 set_bit (FLAG_COMMIT, &local->flags);
6888 rc = -EINPROGRESS; /* Call commit handler */
6889 }
6890 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6891 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6892 set_bit (FLAG_COMMIT, &local->flags);
6893 rc = -EINPROGRESS; /* Call commit handler */
6894 }
6895 return rc;
6896}
6897
6898/*------------------------------------------------------------------*/
6899/*
6900 * Wireless Handler : get Retry limits
6901 */
6902static int airo_get_retry(struct net_device *dev,
6903 struct iw_request_info *info,
6904 struct iw_param *vwrq,
6905 char *extra)
6906{
faf3994a 6907 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6908
6909 vwrq->disabled = 0; /* Can't be disabled */
6910
6911 readConfigRid(local, 1);
6912 /* Note : by default, display the min retry number */
6913 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6914 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6915 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6916 } else if((vwrq->flags & IW_RETRY_LONG)) {
6917 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6918 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6919 } else {
6920 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6921 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6922 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6923 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6924 }
6925
6926 return 0;
6927}
6928
6929/*------------------------------------------------------------------*/
6930/*
6931 * Wireless Handler : get range info
6932 */
6933static int airo_get_range(struct net_device *dev,
6934 struct iw_request_info *info,
6935 struct iw_point *dwrq,
6936 char *extra)
6937{
faf3994a 6938 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6939 struct iw_range *range = (struct iw_range *) extra;
6940 CapabilityRid cap_rid; /* Card capability info */
6941 int i;
6942 int k;
6943
6944 readCapabilityRid(local, &cap_rid, 1);
6945
6946 dwrq->length = sizeof(struct iw_range);
6947 memset(range, 0, sizeof(*range));
6948 range->min_nwid = 0x0000;
6949 range->max_nwid = 0x0000;
6950 range->num_channels = 14;
6951 /* Should be based on cap_rid.country to give only
6952 * what the current card support */
6953 k = 0;
6954 for(i = 0; i < 14; i++) {
6955 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK		 6956 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6957 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT		 6958 }
6959 range->num_frequency = k;
6960
41480af2
DW		 6961 range->sensitivity = 65535;
6962
1da177e4 6963 /* Hum... Should put the right values there */
41480af2
DW		 6964 if (local->rssi)
6965 range->max_qual.qual = 100; /* % */
6966 else
6967 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6968 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6969 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6970
6971 /* Experimental measurements - boundary 11/5.5 Mb/s */
6972 /* Note : with or without the (local->rssi), results
6973 * are somewhat different. - Jean II */
6974 if (local->rssi) {
ce6623c3
JT		 6975 range->avg_qual.qual = 50; /* % */
6976 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6977 } else {
6978 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6979 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6980 }
ce6623c3 6981 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6982
6983 for(i = 0 ; i < 8 ; i++) {
6984 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6985 if(range->bitrate[i] == 0)
6986 break;
6987 }
6988 range->num_bitrates = i;
6989
6990 /* Set an indication of the max TCP throughput
6991 * in bit/s that we can expect using this interface.
6992 * May be use for QoS stuff... Jean II */
6993 if(i > 2)
6994 range->throughput = 5000 * 1000;
6995 else
6996 range->throughput = 1500 * 1000;
6997
6998 range->min_rts = 0;
15db2763 6999 range->max_rts = AIRO_DEF_MTU;
1da177e4 7000 range->min_frag = 256;
15db2763 7001 range->max_frag = AIRO_DEF_MTU;
1da177e4 7002
56d81bd3 7003 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 7004 // WEP: RC4 40 bits
7005 range->encoding_size[0] = 5;
7006 // RC4 ~128 bits
56d81bd3 7007 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 7008 range->encoding_size[1] = 13;
7009 range->num_encoding_sizes = 2;
7010 } else
7011 range->num_encoding_sizes = 1;
56d81bd3
AV		 7012 range->max_encoding_tokens =
7013 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 7014 } else {
7015 range->num_encoding_sizes = 0;
7016 range->max_encoding_tokens = 0;
7017 }
7018 range->min_pmp = 0;
7019 range->max_pmp = 5000000; /* 5 secs */
7020 range->min_pmt = 0;
7021 range->max_pmt = 65535 * 1024; /* ??? */
7022 range->pmp_flags = IW_POWER_PERIOD;
7023 range->pmt_flags = IW_POWER_TIMEOUT;
7024 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7025
7026 /* Transmit Power - values are in mW */
7027 for(i = 0 ; i < 8 ; i++) {
56d81bd3 7028 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 7029 if(range->txpower[i] == 0)
7030 break;
7031 }
7032 range->num_txpower = i;
7033 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 7034 range->we_version_source = 19;
1da177e4
LT		 7035 range->we_version_compiled = WIRELESS_EXT;
7036 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7037 range->retry_flags = IW_RETRY_LIMIT;
7038 range->r_time_flags = IW_RETRY_LIFETIME;
7039 range->min_retry = 1;
7040 range->max_retry = 65535;
7041 range->min_r_time = 1024;
7042 range->max_r_time = 65535 * 1024;
1da177e4
LT		 7043
7044 /* Event capability (kernel + driver) */
7045 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7046 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7047 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7048 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7049 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7050 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7051 return 0;
7052}
7053
7054/*------------------------------------------------------------------*/
7055/*
7056 * Wireless Handler : set Power Management
7057 */
7058static int airo_set_power(struct net_device *dev,
7059 struct iw_request_info *info,
7060 struct iw_param *vwrq,
7061 char *extra)
7062{
faf3994a 7063 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7064
7065 readConfigRid(local, 1);
7066 if (vwrq->disabled) {
3eb9b41f 7067 if (sniffing_mode(local))
1da177e4 7068 return -EINVAL;
1da177e4 7069 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7070 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7071 local->config.rmode |= RXMODE_BC_MC_ADDR;
7072 set_bit (FLAG_COMMIT, &local->flags);
7073 return -EINPROGRESS; /* Call commit handler */
7074 }
7075 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7076 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7077 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 7080 local->config.fastListenInterval =
7081 local->config.listenInterval =
7082 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7083 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7084 set_bit (FLAG_COMMIT, &local->flags);
7085 }
7086 switch (vwrq->flags & IW_POWER_MODE) {
7087 case IW_POWER_UNICAST_R:
3eb9b41f 7088 if (sniffing_mode(local))
1da177e4 7089 return -EINVAL;
3eb9b41f 7090 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7091 local->config.rmode |= RXMODE_ADDR;
7092 set_bit (FLAG_COMMIT, &local->flags);
7093 break;
7094 case IW_POWER_ALL_R:
3eb9b41f 7095 if (sniffing_mode(local))
1da177e4 7096 return -EINVAL;
3eb9b41f 7097 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7098 local->config.rmode |= RXMODE_BC_MC_ADDR;
7099 set_bit (FLAG_COMMIT, &local->flags);
7100 case IW_POWER_ON:
7f8544cc 7101 /* This is broken, fixme ;-) */
1da177e4
LT		 7102 break;
7103 default:
7104 return -EINVAL;
7105 }
7106 // Note : we may want to factor local->need_commit here
7107 // Note2 : may also want to factor RXMODE_RFMON test
7108 return -EINPROGRESS; /* Call commit handler */
7109}
7110
7111/*------------------------------------------------------------------*/
7112/*
7113 * Wireless Handler : get Power Management
7114 */
7115static int airo_get_power(struct net_device *dev,
7116 struct iw_request_info *info,
7117 struct iw_param *vwrq,
7118 char *extra)
7119{
faf3994a 7120 struct airo_info *local = dev->ml_priv;
3eb9b41f 7121 __le16 mode;
1da177e4
LT		 7122
7123 readConfigRid(local, 1);
7124 mode = local->config.powerSaveMode;
7125 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7126 return 0;
7127 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7128 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 7129 vwrq->flags = IW_POWER_TIMEOUT;
7130 } else {
3eb9b41f 7131 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 7132 vwrq->flags = IW_POWER_PERIOD;
7133 }
3eb9b41f 7134 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 7135 vwrq->flags |= IW_POWER_UNICAST_R;
7136 else
7137 vwrq->flags |= IW_POWER_ALL_R;
7138
7139 return 0;
7140}
7141
7142/*------------------------------------------------------------------*/
7143/*
7144 * Wireless Handler : set Sensitivity
7145 */
7146static int airo_set_sens(struct net_device *dev,
7147 struct iw_request_info *info,
7148 struct iw_param *vwrq,
7149 char *extra)
7150{
faf3994a 7151 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7152
7153 readConfigRid(local, 1);
3eb9b41f
AV		 7154 local->config.rssiThreshold =
7155 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7156 set_bit (FLAG_COMMIT, &local->flags);
7157
7158 return -EINPROGRESS; /* Call commit handler */
7159}
7160
7161/*------------------------------------------------------------------*/
7162/*
7163 * Wireless Handler : get Sensitivity
7164 */
7165static int airo_get_sens(struct net_device *dev,
7166 struct iw_request_info *info,
7167 struct iw_param *vwrq,
7168 char *extra)
7169{
faf3994a 7170 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7171
7172 readConfigRid(local, 1);
3eb9b41f 7173 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7174 vwrq->disabled = (vwrq->value == 0);
7175 vwrq->fixed = 1;
7176
7177 return 0;
7178}
7179
7180/*------------------------------------------------------------------*/
7181/*
7182 * Wireless Handler : get AP List
7183 * Note : this is deprecated in favor of IWSCAN
7184 */
7185static int airo_get_aplist(struct net_device *dev,
7186 struct iw_request_info *info,
7187 struct iw_point *dwrq,
7188 char *extra)
7189{
faf3994a 7190 struct airo_info *local = dev->ml_priv;
1da177e4 7191 struct sockaddr *address = (struct sockaddr *) extra;
998a5a7d 7192 struct iw_quality *qual;
1da177e4
LT		 7193 BSSListRid BSSList;
7194 int i;
7195 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7196
998a5a7d
FS		 7197 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7198 if (!qual)
7199 return -ENOMEM;
7200
1da177e4 7201 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7202 u16 dBm;
1da177e4
LT		 7203 if (readBSSListRid(local, loseSync, &BSSList))
7204 break;
7205 loseSync = 0;
7206 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7207 address[i].sa_family = ARPHRD_ETHER;
17e70491 7208 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7209 if (local->rssi) {
17e70491
AV		 7210 qual[i].level = 0x100 - dBm;
7211 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7212 qual[i].updated = IW_QUAL_QUAL_UPDATED
7213 | IW_QUAL_LEVEL_UPDATED
7214 | IW_QUAL_DBM;
41480af2 7215 } else {
17e70491 7216 qual[i].level = (dBm + 321) / 2;
41480af2 7217 qual[i].qual = 0;
ce6623c3
JT		 7218 qual[i].updated = IW_QUAL_QUAL_INVALID
7219 | IW_QUAL_LEVEL_UPDATED
7220 | IW_QUAL_DBM;
41480af2
DW		 7221 }
7222 qual[i].noise = local->wstats.qual.noise;
17e70491 7223 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7224 break;
7225 }
7226 if (!i) {
7227 StatusRid status_rid; /* Card status info */
7228 readStatusRid(local, &status_rid, 1);
7229 for (i = 0;
7230 i < min(IW_MAX_AP, 4) &&
7231 (status_rid.bssid[i][0]
7232 & status_rid.bssid[i][1]
7233 & status_rid.bssid[i][2]
7234 & status_rid.bssid[i][3]
7235 & status_rid.bssid[i][4]
7236 & status_rid.bssid[i][5])!=0xff &&
7237 (status_rid.bssid[i][0]
7238 | status_rid.bssid[i][1]
7239 | status_rid.bssid[i][2]
7240 | status_rid.bssid[i][3]
7241 | status_rid.bssid[i][4]
7242 | status_rid.bssid[i][5]);
7243 i++) {
7244 memcpy(address[i].sa_data,
7245 status_rid.bssid[i], ETH_ALEN);
7246 address[i].sa_family = ARPHRD_ETHER;
7247 }
7248 } else {
7249 dwrq->flags = 1; /* Should be define'd */
7250 memcpy(extra + sizeof(struct sockaddr)*i,
7251 &qual, sizeof(struct iw_quality)*i);
7252 }
7253 dwrq->length = i;
7254
998a5a7d 7255 kfree(qual);
1da177e4
LT		 7256 return 0;
7257}
7258
7259/*------------------------------------------------------------------*/
7260/*
7261 * Wireless Handler : Initiate Scan
7262 */
7263static int airo_set_scan(struct net_device *dev,
7264 struct iw_request_info *info,
9930ccee 7265 struct iw_point *dwrq,
1da177e4
LT		 7266 char *extra)
7267{
faf3994a 7268 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7269 Cmd cmd;
7270 Resp rsp;
9e75af30 7271 int wake = 0;
1da177e4
LT		 7272
7273 /* Note : you may have realised that, as this is a SET operation,
7274 * this is privileged and therefore a normal user can't
7275 * perform scanning.
7276 * This is not an error, while the device perform scanning,
7277 * traffic doesn't flow, so it's a perfect DoS...
7278 * Jean II */
7279 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7280
9e75af30
DW		 7281 if (down_interruptible(&ai->sem))
7282 return -ERESTARTSYS;
7283
7284 /* If there's already a scan in progress, don't
7285 * trigger another one. */
7286 if (ai->scan_timeout > 0)
7287 goto out;
7288
1da177e4 7289 /* Initiate a scan command */
6fcdf565 7290 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7291 memset(&cmd, 0, sizeof(cmd));
7292 cmd.cmd=CMD_LISTBSS;
1da177e4 7293 issuecommand(ai, &cmd, &rsp);
9e75af30 7294 wake = 1;
1da177e4 7295
9e75af30
DW		 7296out:
7297 up(&ai->sem);
7298 if (wake)
7299 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7300 return 0;
7301}
7302
7303/*------------------------------------------------------------------*/
7304/*
7305 * Translate scan data returned from the card to a card independent
7306 * format that the Wireless Tools will understand - Jean II
7307 */
7308static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7309 struct iw_request_info *info,
1da177e4
LT		 7310 char *current_ev,
7311 char *end_buf,
41480af2 7312 BSSListRid *bss)
1da177e4 7313{
faf3994a 7314 struct airo_info *ai = dev->ml_priv;
1da177e4 7315 struct iw_event iwe; /* Temporary buffer */
17e70491 7316 __le16 capabilities;
1da177e4
LT		 7317 char * current_val; /* For rates */
7318 int i;
3c304956 7319 char * buf;
851b3e5e 7320 u16 dBm;
1da177e4
LT		 7321
7322 /* First entry *MUST* be the AP MAC address */
7323 iwe.cmd = SIOCGIWAP;
7324 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7325 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM		 7326 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7327 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 7328
7329 /* Other entries will be displayed in the order we give them */
7330
7331 /* Add the ESSID */
41480af2 7332 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7333 if(iwe.u.data.length > 32)
7334 iwe.u.data.length = 32;
7335 iwe.cmd = SIOCGIWESSID;
7336 iwe.u.data.flags = 1;
ccc58057
DM		 7337 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7338 &iwe, bss->ssid);
1da177e4
LT		 7339
7340 /* Add mode */
7341 iwe.cmd = SIOCGIWMODE;
17e70491 7342 capabilities = bss->cap;
1da177e4
LT		 7343 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7344 if(capabilities & CAP_ESS)
7345 iwe.u.mode = IW_MODE_MASTER;
7346 else
7347 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 7348 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7349 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 7350 }
7351
7352 /* Add frequency */
7353 iwe.cmd = SIOCGIWFREQ;
41480af2 7354 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7355 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7356 iwe.u.freq.e = 1;
ccc58057
DM		 7357 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7358 &iwe, IW_EV_FREQ_LEN);
1da177e4 7359
851b3e5e
AV		 7360 dBm = le16_to_cpu(bss->dBm);
7361
1da177e4
LT		 7362 /* Add quality statistics */
7363 iwe.cmd = IWEVQUAL;
41480af2 7364 if (ai->rssi) {
851b3e5e
AV		 7365 iwe.u.qual.level = 0x100 - dBm;
7366 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7367 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7368 | IW_QUAL_LEVEL_UPDATED
7369 | IW_QUAL_DBM;
41480af2 7370 } else {
851b3e5e 7371 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7372 iwe.u.qual.qual = 0;
bbeec90b 7373 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7374 | IW_QUAL_LEVEL_UPDATED
7375 | IW_QUAL_DBM;
41480af2
DW		 7376 }
7377 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM		 7378 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7379 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 7380
7381 /* Add encryption capability */
7382 iwe.cmd = SIOCGIWENCODE;
7383 if(capabilities & CAP_PRIVACY)
7384 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7385 else
7386 iwe.u.data.flags = IW_ENCODE_DISABLED;
7387 iwe.u.data.length = 0;
ccc58057
DM		 7388 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7389 &iwe, bss->ssid);
1da177e4
LT		 7390
7391 /* Rate : stuffing multiple values in a single event require a bit
7392 * more of magic - Jean II */
ccc58057 7393 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT		 7394
7395 iwe.cmd = SIOCGIWRATE;
7396 /* Those two flags are ignored... */
7397 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7398 /* Max 8 values */
7399 for(i = 0 ; i < 8 ; i++) {
7400 /* NULL terminated */
41480af2 7401 if(bss->rates[i] == 0)
1da177e4
LT		 7402 break;
7403 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7404 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7405 /* Add new value to event */
ccc58057
DM		 7406 current_val = iwe_stream_add_value(info, current_ev,
7407 current_val, end_buf,
7408 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 7409 }
7410 /* Check if we added any event */
ccc58057 7411 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT		 7412 current_ev = current_val;
7413
3c304956
DW		 7414 /* Beacon interval */
7415 buf = kmalloc(30, GFP_KERNEL);
7416 if (buf) {
7417 iwe.cmd = IWEVCUSTOM;
7418 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7419 iwe.u.data.length = strlen(buf);
ccc58057
DM		 7420 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7421 &iwe, buf);
3c304956
DW		 7422 kfree(buf);
7423 }
7424
7425 /* Put WPA/RSN Information Elements into the event stream */
7426 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7427 unsigned int num_null_ies = 0;
7428 u16 length = sizeof (bss->extra.iep);
2c706002 7429 u8 *ie = (void *)&bss->extra.iep;
3c304956 7430
2c706002
JB		 7431 while ((length >= 2) && (num_null_ies < 2)) {
7432 if (2 + ie[1] > length) {
3c304956
DW		 7433 /* Invalid element, don't continue parsing IE */
7434 break;
7435 }
7436
2c706002
JB		 7437 switch (ie[0]) {
7438 case WLAN_EID_SSID:
3c304956
DW		 7439 /* Two zero-length SSID elements
7440 * mean we're done parsing elements */
2c706002 7441 if (!ie[1])
3c304956
DW		 7442 num_null_ies++;
7443 break;
7444
2c706002
JB		 7445 case WLAN_EID_GENERIC:
7446 if (ie[1] >= 4 &&
7447 ie[2] == 0x00 &&
7448 ie[3] == 0x50 &&
7449 ie[4] == 0xf2 &&
7450 ie[5] == 0x01) {
3c304956 7451 iwe.cmd = IWEVGENIE;
2c706002
JB		 7452 /* 64 is an arbitrary cut-off */
7453 iwe.u.data.length = min(ie[1] + 2,
7454 64);
ccc58057
DM		 7455 current_ev = iwe_stream_add_point(
7456 info, current_ev,
2c706002 7457 end_buf, &iwe, ie);
3c304956
DW		 7458 }
7459 break;
7460
2c706002 7461 case WLAN_EID_RSN:
3c304956 7462 iwe.cmd = IWEVGENIE;
2c706002
JB		 7463 /* 64 is an arbitrary cut-off */
7464 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM		 7465 current_ev = iwe_stream_add_point(
7466 info, current_ev, end_buf,
2c706002 7467 &iwe, ie);
3c304956
DW		 7468 break;
7469
7470 default:
7471 break;
7472 }
7473
2c706002
JB		 7474 length -= 2 + ie[1];
7475 ie += 2 + ie[1];
3c304956
DW		 7476 }
7477 }
1da177e4
LT		 7478 return current_ev;
7479}
7480
7481/*------------------------------------------------------------------*/
7482/*
7483 * Wireless Handler : Read Scan Results
7484 */
7485static int airo_get_scan(struct net_device *dev,
7486 struct iw_request_info *info,
7487 struct iw_point *dwrq,
7488 char *extra)
7489{
faf3994a 7490 struct airo_info *ai = dev->ml_priv;
9e75af30
DW		 7491 BSSListElement *net;
7492 int err = 0;
1da177e4
LT		 7493 char *current_ev = extra;
7494
9e75af30
DW		 7495 /* If a scan is in-progress, return -EAGAIN */
7496 if (ai->scan_timeout > 0)
1da177e4 7497 return -EAGAIN;
1da177e4 7498
9e75af30
DW		 7499 if (down_interruptible(&ai->sem))
7500 return -EAGAIN;
1da177e4 7501
9e75af30 7502 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7503 /* Translate to WE format this entry */
ccc58057 7504 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7505 extra + dwrq->length,
9e75af30 7506 &net->bss);
1da177e4
LT		 7507
7508 /* Check if there is space for one more entry */
7509 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7510 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7511 err = -E2BIG;
7512 goto out;
1da177e4 7513 }
1da177e4 7514 }
9e75af30 7515
1da177e4
LT		 7516 /* Length of data */
7517 dwrq->length = (current_ev - extra);
7518 dwrq->flags = 0; /* todo */
7519
9e75af30
DW		 7520out:
7521 up(&ai->sem);
7522 return err;
1da177e4
LT		 7523}
7524
7525/*------------------------------------------------------------------*/
7526/*
7527 * Commit handler : called after a bunch of SET operations
7528 */
7529static int airo_config_commit(struct net_device *dev,
7530 struct iw_request_info *info, /* NULL */
7531 void *zwrq, /* NULL */
7532 char *extra) /* NULL */
7533{
faf3994a 7534 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7535
7536 if (!test_bit (FLAG_COMMIT, &local->flags))
7537 return 0;
7538
7539 /* Some of the "SET" function may have modified some of the
7540 * parameters. It's now time to commit them in the card */
7541 disable_MAC(local, 1);
7542 if (test_bit (FLAG_RESET, &local->flags)) {
7543 APListRid APList_rid;
7544 SsidRid SSID_rid;
7545
7546 readAPListRid(local, &APList_rid);
7547 readSsidRid(local, &SSID_rid);
7548 if (test_bit(FLAG_MPI,&local->flags))
7549 setup_card(local, dev->dev_addr, 1 );
7550 else
7551 reset_airo_card(dev);
7552 disable_MAC(local, 1);
7553 writeSsidRid(local, &SSID_rid, 1);
7554 writeAPListRid(local, &APList_rid, 1);
7555 }
7556 if (down_interruptible(&local->sem))
7557 return -ERESTARTSYS;
7558 writeConfigRid(local, 0);
175ec1a1 7559 enable_MAC(local, 0);
1da177e4
LT		 7560 if (test_bit (FLAG_RESET, &local->flags))
7561 airo_set_promisc(local);
7562 else
7563 up(&local->sem);
7564
7565 return 0;
7566}
7567
7568/*------------------------------------------------------------------*/
7569/*
7570 * Structures to export the Wireless Handlers
7571 */
7572
7573static const struct iw_priv_args airo_private_args[] = {
7574/*{ cmd, set_args, get_args, name } */
7575 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7576 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7577 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7578 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7579};
7580
7581static const iw_handler airo_handler[] =
7582{
7583 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7584 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7585 (iw_handler) NULL, /* SIOCSIWNWID */
7586 (iw_handler) NULL, /* SIOCGIWNWID */
7587 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7588 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7589 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7590 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7591 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7592 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7593 (iw_handler) NULL, /* SIOCSIWRANGE */
7594 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7595 (iw_handler) NULL, /* SIOCSIWPRIV */
7596 (iw_handler) NULL, /* SIOCGIWPRIV */
7597 (iw_handler) NULL, /* SIOCSIWSTATS */
7598 (iw_handler) NULL, /* SIOCGIWSTATS */
7599 iw_handler_set_spy, /* SIOCSIWSPY */
7600 iw_handler_get_spy, /* SIOCGIWSPY */
7601 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7602 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7603 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7604 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7605 (iw_handler) NULL, /* -- hole -- */
7606 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7607 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7608 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7609 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7610 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7611 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7612 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7613 (iw_handler) NULL, /* -- hole -- */
7614 (iw_handler) NULL, /* -- hole -- */
7615 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7616 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7617 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7618 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7619 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7620 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7621 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7622 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7623 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7624 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7625 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7626 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7627 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7628 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7629 (iw_handler) NULL, /* -- hole -- */
7630 (iw_handler) NULL, /* -- hole -- */
7631 (iw_handler) NULL, /* SIOCSIWGENIE */
7632 (iw_handler) NULL, /* SIOCGIWGENIE */
7633 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7634 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7635 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7636 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7637 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7638};
7639
7640/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7641 * We want to force the use of the ioctl code, because those can't be
7642 * won't work the iw_handler code (because they simultaneously read
7643 * and write data and iw_handler can't do that).
7644 * Note that it's perfectly legal to read/write on a single ioctl command,
7645 * you just can't use iwpriv and need to force it via the ioctl handler.
7646 * Jean II */
7647static const iw_handler airo_private_handler[] =
7648{
7649 NULL, /* SIOCIWFIRSTPRIV */
7650};
7651
7652static const struct iw_handler_def airo_handler_def =
7653{
ff8ac609
DC		 7654 .num_standard = ARRAY_SIZE(airo_handler),
7655 .num_private = ARRAY_SIZE(airo_private_handler),
7656 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7657 .standard = airo_handler,
7658 .private = airo_private_handler,
7659 .private_args = airo_private_args,
7660 .get_wireless_stats = airo_get_wireless_stats,
7661};
7662
1da177e4
LT		 7663/*
7664 * This defines the configuration part of the Wireless Extensions
7665 * Note : irq and spinlock protection will occur in the subroutines
7666 *
7667 * TODO :
7668 * o Check input value more carefully and fill correct values in range
7669 * o Test and shakeout the bugs (if any)
7670 *
7671 * Jean II
7672 *
7673 * Javier Achirica did a great job of merging code from the unnamed CISCO
7674 * developer that added support for flashing the card.
7675 */
7676static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7677{
7678 int rc = 0;
faf3994a 7679 struct airo_info *ai = dev->ml_priv;
1da177e4 7680
ca078bae 7681 if (ai->power.event)
1da177e4
LT		 7682 return 0;
7683
7684 switch (cmd) {
7685#ifdef CISCO_EXT
7686 case AIROIDIFC:
7687#ifdef AIROOLDIDIFC
7688 case AIROOLDIDIFC:
7689#endif
7690 {
7691 int val = AIROMAGIC;
7692 aironet_ioctl com;
7693 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7694 rc = -EFAULT;
7695 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7696 rc = -EFAULT;
7697 }
7698 break;
7699
7700 case AIROIOCTL:
7701#ifdef AIROOLDIOCTL
7702 case AIROOLDIOCTL:
7703#endif
7704 /* Get the command struct and hand it off for evaluation by
7705 * the proper subfunction
7706 */
7707 {
7708 aironet_ioctl com;
7709 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7710 rc = -EFAULT;
7711 break;
7712 }
7713
7714 /* Separate R/W functions bracket legality here
7715 */
7716 if ( com.command == AIRORSWVERSION ) {
7717 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7718 rc = -EFAULT;
7719 else
7720 rc = 0;
7721 }
7722 else if ( com.command <= AIRORRID)
7723 rc = readrids(dev,&com);
7724 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7725 rc = writerids(dev,&com);
7726 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7727 rc = flashcard(dev,&com);
7728 else
7729 rc = -EINVAL; /* Bad command in ioctl */
7730 }
7731 break;
7732#endif /* CISCO_EXT */
7733
7734 // All other calls are currently unsupported
7735 default:
7736 rc = -EOPNOTSUPP;
7737 }
7738 return rc;
7739}
7740
1da177e4
LT		 7741/*
7742 * Get the Wireless stats out of the driver
7743 * Note : irq and spinlock protection will occur in the subroutines
7744 *
7745 * TODO :
7746 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7747 *
7748 * Jean
7749 */
7750static void airo_read_wireless_stats(struct airo_info *local)
7751{
7752 StatusRid status_rid;
7753 StatsRid stats_rid;
7754 CapabilityRid cap_rid;
a23ace5f 7755 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7756
7757 /* Get stats out of the card */
3c304956 7758 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7759 if (local->power.event) {
1da177e4
LT		 7760 up(&local->sem);
7761 return;
7762 }
7763 readCapabilityRid(local, &cap_rid, 0);
7764 readStatusRid(local, &status_rid, 0);
7765 readStatsRid(local, &stats_rid, RID_STATS, 0);
7766 up(&local->sem);
7767
7768 /* The status */
329e2c00 7769 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7770
41480af2
DW		 7771 /* Signal quality and co */
7772 if (local->rssi) {
329e2c00
AV		 7773 local->wstats.qual.level =
7774 airo_rssi_to_dbm(local->rssi,
7775 le16_to_cpu(status_rid.sigQuality));
41480af2 7776 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7777 local->wstats.qual.qual =
7778 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7779 } else {
329e2c00
AV		 7780 local->wstats.qual.level =
7781 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7782 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7783 }
329e2c00 7784 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7785 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7786 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7787 } else {
7788 local->wstats.qual.noise = 0;
ce6623c3 7789 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7790 }
7791
7792 /* Packets discarded in the wireless adapter due to wireless
7793 * specific problems */
a23ace5f
AV		 7794 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7795 le32_to_cpu(vals[57]) +
7796 le32_to_cpu(vals[58]); /* SSID Mismatch */
7797 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7798 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7799 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7800 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7801 le32_to_cpu(vals[32]);
7802 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7803}
7804
ff1d2767 7805static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7806{
faf3994a 7807 struct airo_info *local = dev->ml_priv;
1da177e4 7808
3c304956 7809 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7810 /* Get stats out of the card if available */
7811 if (down_trylock(&local->sem) != 0) {
3c304956 7812 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7813 wake_up_interruptible(&local->thr_wait);
7814 } else
7815 airo_read_wireless_stats(local);
7816 }
7817
7818 return &local->wstats;
7819}
1da177e4
LT		 7820
7821#ifdef CISCO_EXT
7822/*
7823 * This just translates from driver IOCTL codes to the command codes to
7824 * feed to the radio's host interface. Things can be added/deleted
7825 * as needed. This represents the READ side of control I/O to
7826 * the card
7827 */
7828static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7829 unsigned short ridcode;
7830 unsigned char *iobuf;
7831 int len;
faf3994a 7832 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7833
7834 if (test_bit(FLAG_FLASHING, &ai->flags))
7835 return -EIO;
7836
7837 switch(comp->command)
7838 {
7839 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7840 case AIROGCFG: ridcode = RID_CONFIG;
7841 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7842 disable_MAC (ai, 1);
7843 writeConfigRid (ai, 1);
175ec1a1 7844 enable_MAC(ai, 1);
1da177e4
LT		 7845 }
7846 break;
7847 case AIROGSLIST: ridcode = RID_SSID; break;
7848 case AIROGVLIST: ridcode = RID_APLIST; break;
7849 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7850 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7851 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7852 /* Only super-user can read WEP keys */
7853 if (!capable(CAP_NET_ADMIN))
7854 return -EPERM;
7855 break;
7856 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7857 /* Only super-user can read WEP keys */
7858 if (!capable(CAP_NET_ADMIN))
7859 return -EPERM;
7860 break;
7861 case AIROGSTAT: ridcode = RID_STATUS; break;
7862 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7863 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7864 case AIROGMICSTATS:
7865 if (copy_to_user(comp->data, &ai->micstats,
7866 min((int)comp->len,(int)sizeof(ai->micstats))))
7867 return -EFAULT;
7868 return 0;
1da177e4
LT		 7869 case AIRORRID: ridcode = comp->ridnum; break;
7870 default:
7871 return -EINVAL;
7872 break;
7873 }
7874
7875 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7876 return -ENOMEM;
7877
7878 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7879 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7880 * then return it to the user
7881 * 9/22/2000 Honor user given length
7882 */
7883 len = comp->len;
7884
7885 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7886 kfree (iobuf);
7887 return -EFAULT;
7888 }
7889 kfree (iobuf);
7890 return 0;
7891}
7892
7893/*
7894 * Danger Will Robinson write the rids here
7895 */
7896
7897static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7898 struct airo_info *ai = dev->ml_priv;
1da177e4 7899 int ridcode;
1da177e4 7900 int enabled;
1da177e4
LT		 7901 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7902 unsigned char *iobuf;
7903
7904 /* Only super-user can write RIDs */
7905 if (!capable(CAP_NET_ADMIN))
7906 return -EPERM;
7907
7908 if (test_bit(FLAG_FLASHING, &ai->flags))
7909 return -EIO;
7910
7911 ridcode = 0;
7912 writer = do_writerid;
7913
7914 switch(comp->command)
7915 {
7916 case AIROPSIDS: ridcode = RID_SSID; break;
7917 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7918 case AIROPAPLIST: ridcode = RID_APLIST; break;
7919 case AIROPCFG: ai->config.len = 0;
7920 clear_bit(FLAG_COMMIT, &ai->flags);
7921 ridcode = RID_CONFIG; break;
7922 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7923 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7924 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7925 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7926 break;
7927 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7928 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7929
7930 /* this is not really a rid but a command given to the card
7931 * same with MAC off
7932 */
7933 case AIROPMACON:
175ec1a1 7934 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7935 return -EIO;
7936 return 0;
7937
7938 /*
7939 * Evidently this code in the airo driver does not get a symbol
7940 * as disable_MAC. it's probably so short the compiler does not gen one.
7941 */
7942 case AIROPMACOFF:
7943 disable_MAC(ai, 1);
7944 return 0;
7945
7946 /* This command merely clears the counts does not actually store any data
7947 * only reads rid. But as it changes the cards state, I put it in the
7948 * writerid routines.
7949 */
7950 case AIROPSTCLR:
7951 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7952 return -ENOMEM;
7953
7954 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7955
1da177e4
LT		 7956 enabled = ai->micstats.enabled;
7957 memset(&ai->micstats,0,sizeof(ai->micstats));
7958 ai->micstats.enabled = enabled;
1da177e4
LT		 7959
7960 if (copy_to_user(comp->data, iobuf,
7961 min((int)comp->len, (int)RIDSIZE))) {
7962 kfree (iobuf);
7963 return -EFAULT;
7964 }
7965 kfree (iobuf);
7966 return 0;
7967
7968 default:
7969 return -EOPNOTSUPP; /* Blarg! */
7970 }
7971 if(comp->len > RIDSIZE)
7972 return -EINVAL;
7973
7974 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7975 return -ENOMEM;
7976
7977 if (copy_from_user(iobuf,comp->data,comp->len)) {
7978 kfree (iobuf);
7979 return -EFAULT;
7980 }
7981
7982 if (comp->command == AIROPCFG) {
7983 ConfigRid *cfg = (ConfigRid *)iobuf;
7984
7985 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7986 cfg->opmode |= MODE_MIC;
1da177e4 7987
3eb9b41f 7988 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7989 set_bit (FLAG_ADHOC, &ai->flags);
7990 else
7991 clear_bit (FLAG_ADHOC, &ai->flags);
7992 }
7993
7994 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7995 kfree (iobuf);
7996 return -EIO;
7997 }
7998 kfree (iobuf);
7999 return 0;
8000}
8001
8002/*****************************************************************************
8003 * Ancillary flash / mod functions much black magic lurkes here *
8004 *****************************************************************************
8005 */
8006
8007/*
8008 * Flash command switch table
8009 */
8010
ff1d2767 8011static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 8012 int z;
1da177e4
LT		 8013
8014 /* Only super-user can modify flash */
8015 if (!capable(CAP_NET_ADMIN))
8016 return -EPERM;
8017
8018 switch(comp->command)
8019 {
8020 case AIROFLSHRST:
faf3994a 8021 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8022
8023 case AIROFLSHSTFL:
faf3994a
WC		 8024 if (!AIRO_FLASH(dev) &&
8025 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 8026 return -ENOMEM;
faf3994a 8027 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8028
8029 case AIROFLSHGCHR: /* Get char from aux */
8030 if(comp->len != sizeof(int))
8031 return -EINVAL;
8032 if (copy_from_user(&z,comp->data,comp->len))
8033 return -EFAULT;
faf3994a 8034 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 8035
8036 case AIROFLSHPCHR: /* Send char to card. */
8037 if(comp->len != sizeof(int))
8038 return -EINVAL;
8039 if (copy_from_user(&z,comp->data,comp->len))
8040 return -EFAULT;
faf3994a 8041 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 8042
8043 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 8044 if (!AIRO_FLASH(dev))
1da177e4
LT		 8045 return -ENOMEM;
8046 if(comp->len > FLASHSIZE)
8047 return -EINVAL;
faf3994a 8048 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT		 8049 return -EFAULT;
8050
faf3994a 8051 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8052 return 0;
8053
8054 case AIRORESTART:
faf3994a 8055 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT		 8056 return -EIO;
8057 return 0;
8058 }
8059 return -EINVAL;
8060}
8061
8062#define FLASH_COMMAND 0x7e7e
8063
8064/*
8065 * STEP 1)
8066 * Disable MAC and do soft reset on
8067 * card.
8068 */
8069
ff1d2767 8070static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8071 disable_MAC(ai, 1);
8072
8073 if(!waitbusy (ai)){
934d8bf1 8074 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8075 return -EBUSY;
8076 }
8077
8078 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8079
8080 ssleep(1); /* WAS 600 12/7/00 */
8081
8082 if(!waitbusy (ai)){
934d8bf1 8083 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8084 return -EBUSY;
8085 }
8086 return 0;
8087}
8088
8089/* STEP 2)
8090 * Put the card in legendary flash
8091 * mode
8092 */
8093
ff1d2767 8094static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8095 set_bit (FLAG_FLASHING, &ai->flags);
8096
8097 OUT4500(ai, SWS0, FLASH_COMMAND);
8098 OUT4500(ai, SWS1, FLASH_COMMAND);
8099 if (probe) {
8100 OUT4500(ai, SWS0, FLASH_COMMAND);
8101 OUT4500(ai, COMMAND,0x10);
8102 } else {
8103 OUT4500(ai, SWS2, FLASH_COMMAND);
8104 OUT4500(ai, SWS3, FLASH_COMMAND);
8105 OUT4500(ai, COMMAND,0);
8106 }
8107 msleep(500); /* 500ms delay */
8108
8109 if(!waitbusy(ai)) {
8110 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8111 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8112 return -EIO;
8113 }
8114 return 0;
8115}
8116
8117/* Put character to SWS0 wait for dwelltime
8118 * x 50us for echo .
8119 */
8120
ff1d2767 8121static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8122 int echo;
8123 int waittime;
8124
8125 byte |= 0x8000;
8126
8127 if(dwelltime == 0 )
8128 dwelltime = 200;
8129
8130 waittime=dwelltime;
8131
8132 /* Wait for busy bit d15 to go false indicating buffer empty */
8133 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8134 udelay (50);
8135 waittime -= 50;
8136 }
8137
8138 /* timeout for busy clear wait */
8139 if(waittime <= 0 ){
934d8bf1 8140 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8141 return -EBUSY;
8142 }
8143
8144 /* Port is clear now write byte and wait for it to echo back */
8145 do {
8146 OUT4500(ai,SWS0,byte);
8147 udelay(50);
8148 dwelltime -= 50;
8149 echo = IN4500(ai,SWS1);
8150 } while (dwelltime >= 0 && echo != byte);
8151
8152 OUT4500(ai,SWS1,0);
8153
8154 return (echo == byte) ? 0 : -EIO;
8155}
8156
8157/*
8158 * Get a character from the card matching matchbyte
8159 * Step 3)
8160 */
ff1d2767 8161static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8162 int rchar;
8163 unsigned char rbyte=0;
8164
8165 do {
8166 rchar = IN4500(ai,SWS1);
8167
8168 if(dwelltime && !(0x8000 & rchar)){
8169 dwelltime -= 10;
8170 mdelay(10);
8171 continue;
8172 }
8173 rbyte = 0xff & rchar;
8174
8175 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8176 OUT4500(ai,SWS1,0);
8177 return 0;
8178 }
8179 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8180 break;
8181 OUT4500(ai,SWS1,0);
8182
8183 }while(dwelltime > 0);
8184 return -EIO;
8185}
8186
8187/*
8188 * Transfer 32k of firmware data from user buffer to our buffer and
8189 * send to the card
8190 */
8191
ff1d2767 8192static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8193 int nwords;
8194
8195 /* Write stuff */
8196 if (test_bit(FLAG_MPI,&ai->flags))
8197 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8198 else {
8199 OUT4500(ai,AUXPAGE,0x100);
8200 OUT4500(ai,AUXOFF,0);
8201
8202 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8203 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8204 }
8205 }
8206 OUT4500(ai,SWS0,0x8000);
8207
8208 return 0;
8209}
8210
8211/*
8212 *
8213 */
ff1d2767 8214static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8215 int i,status;
8216
8217 ssleep(1); /* Added 12/7/00 */
8218 clear_bit (FLAG_FLASHING, &ai->flags);
8219 if (test_bit(FLAG_MPI, &ai->flags)) {
8220 status = mpi_init_descriptors(ai);
8221 if (status != SUCCESS)
8222 return status;
8223 }
8224 status = setup_card(ai, dev->dev_addr, 1);
8225
8226 if (!test_bit(FLAG_MPI,&ai->flags))
8227 for( i = 0; i < MAX_FIDS; i++ ) {
8228 ai->fids[i] = transmit_allocate
15db2763 8229 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8230 }
8231
8232 ssleep(1); /* Added 12/7/00 */
8233 return status;
8234}
8235#endif /* CISCO_EXT */
8236
8237/*
8238 This program is free software; you can redistribute it and/or
8239 modify it under the terms of the GNU General Public License
8240 as published by the Free Software Foundation; either version 2
8241 of the License, or (at your option) any later version.
8242
8243 This program is distributed in the hope that it will be useful,
8244 but WITHOUT ANY WARRANTY; without even the implied warranty of
8245 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8246 GNU General Public License for more details.
8247
8248 In addition:
8249
8250 Redistribution and use in source and binary forms, with or without
8251 modification, are permitted provided that the following conditions
8252 are met:
8253
8254 1. Redistributions of source code must retain the above copyright
8255 notice, this list of conditions and the following disclaimer.
8256 2. Redistributions in binary form must reproduce the above copyright
8257 notice, this list of conditions and the following disclaimer in the
8258 documentation and/or other materials provided with the distribution.
8259 3. The name of the author may not be used to endorse or promote
8260 products derived from this software without specific prior written
8261 permission.
8262
8263 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8264 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8265 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8266 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8267 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8268 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8269 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8270 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8271 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8272 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8273 POSSIBILITY OF SUCH DAMAGE.
8274*/
8275
8276module_init(airo_init_module);
8277module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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