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ath9k: fix aggregation stop/flush handling
[deliverable/linux.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4 39#include <asm/io.h>
593c2b9c 40#include <asm/unaligned.h>
1da177e4
LT		 41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <asm/uaccess.h>
3b4c7d64 49#include <linux/kthread.h>
7dfb7103 50#include <linux/freezer.h>
1da177e4 51
2c706002 52#include <linux/ieee80211.h>
2bf9fa69 53#include <net/iw_handler.h>
2c706002 54
d3808760
AB		 55#include "airo.h"
56
1138c37b
MS		 57#define DRV_NAME "airo"
58
1da177e4 59#ifdef CONFIG_PCI
a3aa1884 60static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
1da177e4
LT		 61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
05adc3b7 74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
1138c37b 78 .name = DRV_NAME,
1da177e4
LT		 79 .id_table = card_ids,
80 .probe = airo_pci_probe,
04bfffb8 81 .remove = airo_pci_remove,
1da177e4
LT		 82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
e292c737 89#define WIRELESS_SPY /* enable iwspy support */
1da177e4 90
e292c737 91#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT		 92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
1da177e4
LT		 96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
7a374d8e 106static const char *statsLabels[] = {
1da177e4
LT		 107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
1da177e4
LT		 218static char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
1efa29cd 234static kuid_t proc_kuid;
1da177e4
LT		 235static int proc_uid /* = 0 */;
236
1efa29cd 237static kgid_t proc_kgid;
1da177e4
LT		 238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
85ee7a1d
JP		 245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
1da177e4
LT		 247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
1da177e4
LT		 251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
85ee7a1d
JP		 254MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
1da177e4 258module_param(aux_bap, int, 0);
85ee7a1d
JP		 259MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
1da177e4 262module_param(maxencrypt, int, 0);
85ee7a1d
JP		 263MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
1da177e4
LT		 268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
e292c737 285static int do8bitIO /* = 0 */;
1da177e4
LT		 286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
e292c737
PM		 402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT		 404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
1da177e4
LT		 499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
99590ffe
DW		 501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
4293ea33
AV		 503 __le16 len;
504 __le16 kindex;
1da177e4 505 u8 mac[ETH_ALEN];
4293ea33 506 __le16 klen;
1da177e4 507 u8 key[16];
ba2d3587 508} __packed;
1da177e4
LT		 509
510/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW		 511typedef struct Ssid Ssid;
512struct Ssid {
0dd2212f 513 __le16 len;
1da177e4 514 u8 ssid[32];
ba2d3587 515} __packed;
1da177e4 516
99590ffe
DW		 517typedef struct SsidRid SsidRid;
518struct SsidRid {
0dd2212f 519 __le16 len;
1da177e4 520 Ssid ssids[3];
ba2d3587 521} __packed;
1da177e4 522
99590ffe
DW		 523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
3eb9b41f
AV		 525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
ba2d3587 530} __packed;
1da177e4 531
99590ffe
DW		 532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
3eb9b41f
AV		 534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
1da177e4
LT		 563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
3eb9b41f
AV		 565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
1da177e4 575 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
1da177e4 600 /*---------- Power save operation ----------*/
3eb9b41f
AV		 601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
1da177e4 611 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
1da177e4 620 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 625 u8 rxDiversity;
626 u8 txDiversity;
3eb9b41f 627 __le16 txPower;
1da177e4 628#define TXPOWER_DEFAULT 0
3eb9b41f 629 __le16 rssiThreshold;
1da177e4 630#define RSSI_DEFAULT 0
3eb9b41f
AV		 631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
1da177e4
LT		 638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
3eb9b41f
AV		 640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
1da177e4
LT		 644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
3eb9b41f 653 __le16 autoWake;
ba2d3587 654} __packed;
1da177e4 655
99590ffe
DW		 656typedef struct StatusRid StatusRid;
657struct StatusRid {
329e2c00 658 __le16 len;
1da177e4 659 u8 mac[ETH_ALEN];
329e2c00
AV		 660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
1da177e4
LT		 664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
1da177e4
LT		 682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 689 __le16 load;
1da177e4 690 u8 carrier[4];
329e2c00 691 __le16 assocStatus;
1da177e4
LT		 692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
ba2d3587 713} __packed;
1da177e4 714
99590ffe
DW		 715typedef struct StatsRid StatsRid;
716struct StatsRid {
a23ace5f
AV		 717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
ba2d3587 720} __packed;
1da177e4 721
99590ffe
DW		 722typedef struct APListRid APListRid;
723struct APListRid {
a749716e 724 __le16 len;
1da177e4 725 u8 ap[4][ETH_ALEN];
ba2d3587 726} __packed;
1da177e4 727
99590ffe
DW		 728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
56d81bd3 730 __le16 len;
1da177e4
LT		 731 char oui[3];
732 char zero;
56d81bd3 733 __le16 prodNum;
1da177e4
LT		 734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 739 __le16 radioType;
740 __le16 country;
1da177e4
LT		 741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
56d81bd3
AV		 745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
ba2d3587 756} __packed;
3c304956
DW		 757
758/* Only present on firmware >= 5.30.17 */
99590ffe
DW		 759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
17e70491 761 __le16 unknown[4];
3c304956
DW		 762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
ba2d3587 764} __packed;
3c304956 765
99590ffe
DW		 766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
17e70491
AV		 768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 773 __le16 radioType;
1da177e4
LT		 774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
17e70491
AV		 778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
1da177e4
LT		 785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
17e70491 787 __le16 dwell;
1da177e4
LT		 788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
17e70491
AV		 793 __le16 dsChannel;
794 __le16 atimWindow;
3c304956
DW		 795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
ba2d3587 798} __packed;
1da177e4 799
9e75af30
DW		 800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
99590ffe
DW		 805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
1da177e4
LT		 807 u8 rssipct;
808 u8 rssidBm;
ba2d3587 809} __packed;
1da177e4 810
99590ffe
DW		 811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
1da177e4
LT		 813 u16 len;
814 tdsRssiEntry x[256];
ba2d3587 815} __packed;
1da177e4 816
99590ffe
DW		 817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
1da177e4 822 u8 multicast[16];
99590ffe 823 __le16 unicastValid;
1da177e4 824 u8 unicast[16];
ba2d3587 825} __packed;
1da177e4 826
99590ffe
DW		 827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
593c2b9c 829 __be16 typelen;
1da177e4
LT		 830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
593c2b9c
AV		 841 __be32 mic;
842 __be32 seq;
ba2d3587 843} __packed;
1da177e4
LT		 844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
1da177e4
LT		 850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
7a374d8e 934static const char swversion[] = "2.1";
1da177e4
LT		 935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 940#define AIRO_DEF_MTU 2312
1da177e4
LT		 941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
593c2b9c 959 __be32 d32;
1da177e4
LT		 960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
f55d4517
DW		 992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
ba2d3587 998} __packed;
f55d4517 999
1da177e4
LT		 1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
ff1d2767 1083static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1da177e4
LT		 1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1da177e4
LT		 1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1108static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1115 int whichbap);
b8c06bc1 1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1117 int whichbap);
b8c06bc1 1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
7d12e780 1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1141static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1146#endif /* CISCO_EXT */
1da177e4
LT		 1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
41480af2
DW		 1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
9e75af30
DW		 1155static void airo_networks_free(struct airo_info *ai);
1156
1da177e4 1157struct airo_info {
1da177e4 1158 struct net_device *dev;
af5b5c9a 1159 struct list_head dev_list;
1da177e4
LT		 1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
9e05a2df 1164 u32 fids[MAX_FIDS];
1da177e4
LT		 1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1da177e4
LT		 1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
3c304956 1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
3c304956
DW		 1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
b8c06bc1 1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
3b4c7d64
SB		 1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1da177e4 1206 struct semaphore sem;
1da177e4 1207 wait_queue_head_t thr_wait;
1da177e4
LT		 1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1da177e4 1214 struct iw_statistics wstats; // wireless stats
9e75af30 1215 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1da177e4 1218 /* MIC stuff */
f12cc209 1219 struct crypto_cipher *tfm;
1da177e4
LT		 1220 mic_module mod[2];
1221 mic_statistics micstats;
1da177e4
LT		 1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1cc68ae0 1232 pm_message_t power;
1da177e4
LT		 1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
9e75af30 1237
138c0c68
DW		 1238 int wep_capable;
1239 int max_wep_idx;
1240
3c304956
DW		 1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
9e75af30
DW		 1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1da177e4
LT		 1249};
1250
b8c06bc1
AV		 1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1da177e4
LT		 1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
ff1d2767
JM		 1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
934d8bf1 1268#define airo_print(type, name, fmt, args...) \
1138c37b 1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
faf3994a 1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1284
1da177e4
LT		 1285/***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
ff1d2767
JM		 1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1298
018697d1
DW		 1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1da177e4
LT		 1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
3c304956 1328 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
018697d1
DW		 1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1da177e4
LT		 1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
018697d1
DW		 1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1da177e4
LT		 1352 }
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
f12cc209 1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1362
f12cc209 1363 if (IS_ERR(ai->tfm)) {
934d8bf1 1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1365 ai->tfm = NULL;
1da177e4
LT		 1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
7a374d8e 1376static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
f4739840 1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1da177e4
LT		 1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
f4739840 1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1da177e4
LT		 1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1da177e4
LT		 1633{
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1da177e4
LT		 1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
e7c04fd3 1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
e7c04fd3 1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1654 j += 4;
1655 }
1656 }
1657}
1658
1659/* prepare for calculation of a new mic */
ff1d2767 1660static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1661{
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
ff1d2767 1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
593c2b9c 1686 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
593c2b9c 1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
ff1d2767 1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
593c2b9c 1724 val = ntohl(context->part.d32);
1da177e4
LT		 1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1da177e4
LT		 1742
1743static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1744 BSSListRid *list)
1745{
3c304956
DW		 1746 Cmd cmd;
1747 Resp rsp;
1da177e4
LT		 1748
1749 if (first == 1) {
3c304956
DW		 1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
3b4c7d64 1755 ai->list_bss_task = current;
3c304956
DW		 1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
3b4c7d64
SB		 1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
3c304956 1761 }
17e70491 1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1763 list, ai->bssListRidLen, 1);
1da177e4
LT		 1764}
1765
4293ea33
AV		 1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1769 wkr, sizeof(*wkr), lock);
1da177e4 1770}
1da177e4 1771
4293ea33
AV		 1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1778 if (perm) {
4293ea33
AV		 1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
934d8bf1 1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1782 }
1783 return rc;
1784}
1785
0dd2212f
AV		 1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1789}
1da177e4 1790
0dd2212f
AV		 1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1794}
0dd2212f 1795
3eb9b41f
AV		 1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1da177e4 1798 int rc;
1da177e4
LT		 1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1da177e4
LT		 1808 ai->config = cfg;
1809 return SUCCESS;
1810}
3eb9b41f
AV		 1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1da177e4
LT		 1814 int i;
1815/* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
3eb9b41f
AV		 1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1da177e4
LT		 1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
3eb9b41f 1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1da177e4
LT		 1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1da177e4 1844
329e2c00
AV		 1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1848}
a749716e
AV		 1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1853}
a749716e
AV		 1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1858}
1da177e4 1859
56d81bd3
AV		 1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1863}
1da177e4 1864
a23ace5f
AV		 1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1868}
1869
1c2b7db8
MS		 1870static void try_auto_wep(struct airo_info *ai)
1871{
e9a8e8ec 1872 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1c2b7db8
MS		 1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1da177e4 1878static int airo_open(struct net_device *dev) {
faf3994a 1879 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1880 int rc = 0;
1da177e4 1881
1c2b7db8 1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
25985edc 1888 * those changes are not yet committed, do it now - Jean II */
1c2b7db8
MS		 1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1da177e4
LT		 1892 }
1893
1c2b7db8
MS		 1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
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
25985edc 1996 * is immediately after it. ------------------------------------------------
1da177e4
LT		 1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
1999 */
2000
2c208890 2001 memcpy(ai->txfids[0].virtual_host_addr,
1da177e4
LT		 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 /*
25985edc 2010 * Firmware automatically puts 802 header on so
1da177e4
LT		 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
4cd24eaf 2313 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
1da177e4
LT		 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.
25985edc 2535 * 2) Map PCI memory for issuing commands.
1da177e4
LT		 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
baeb2ffa
JP		 2725 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2726 GFP_KERNEL);
9e75af30 2727 if (!ai->networks) {
1138c37b 2728 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2729 return -ENOMEM;
2730 }
2731
2732 return 0;
2733}
2734
2735static void airo_networks_free(struct airo_info *ai)
2736{
9e75af30
DW		 2737 kfree(ai->networks);
2738 ai->networks = NULL;
2739}
2740
2741static void airo_networks_initialize(struct airo_info *ai)
2742{
2743 int i;
2744
2745 INIT_LIST_HEAD(&ai->network_free_list);
2746 INIT_LIST_HEAD(&ai->network_list);
3c304956 2747 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2748 list_add_tail(&ai->networks[i].list,
2749 &ai->network_free_list);
2750}
2751
7ae41cc3
SH		 2752static const struct net_device_ops airo_netdev_ops = {
2753 .ndo_open = airo_open,
2754 .ndo_stop = airo_close,
2755 .ndo_start_xmit = airo_start_xmit,
2756 .ndo_get_stats = airo_get_stats,
afc4b13d 2757 .ndo_set_rx_mode = airo_set_multicast_list,
7ae41cc3
SH		 2758 .ndo_set_mac_address = airo_set_mac_address,
2759 .ndo_do_ioctl = airo_ioctl,
2760 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH		 2761 .ndo_validate_addr = eth_validate_addr,
2762};
2763
2764static const struct net_device_ops mpi_netdev_ops = {
2765 .ndo_open = airo_open,
2766 .ndo_stop = airo_close,
2767 .ndo_start_xmit = mpi_start_xmit,
2768 .ndo_get_stats = airo_get_stats,
afc4b13d 2769 .ndo_set_rx_mode = airo_set_multicast_list,
7ae41cc3
SH		 2770 .ndo_set_mac_address = airo_set_mac_address,
2771 .ndo_do_ioctl = airo_ioctl,
2772 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH		 2773 .ndo_validate_addr = eth_validate_addr,
2774};
2775
2776
ff1d2767
JM		 2777static struct net_device *_init_airo_card( unsigned short irq, int port,
2778 int is_pcmcia, struct pci_dev *pci,
2779 struct device *dmdev )
1da177e4
LT		 2780{
2781 struct net_device *dev;
2782 struct airo_info *ai;
2783 int i, rc;
f65b56d6 2784 CapabilityRid cap_rid;
1da177e4
LT		 2785
2786 /* Create the network device object. */
1138c37b
MS		 2787 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2788 if (!dev) {
934d8bf1 2789 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2790 return NULL;
1da177e4
LT		 2791 }
2792
faf3994a 2793 ai = dev->ml_priv = netdev_priv(dev);
1da177e4 2794 ai->wifidev = NULL;
fb038c27 2795 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2796 ai->jobs = 0;
934d8bf1 2797 ai->dev = dev;
1da177e4 2798 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2799 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2800 set_bit(FLAG_MPI, &ai->flags);
2801 }
1da177e4
LT		 2802 spin_lock_init(&ai->aux_lock);
2803 sema_init(&ai->sem, 1);
2804 ai->config.len = 0;
2805 ai->pci = pci;
2806 init_waitqueue_head (&ai->thr_wait);
1da177e4 2807 ai->tfm = NULL;
af5b5c9a 2808 add_airo_dev(ai);
1da177e4 2809
9e75af30 2810 if (airo_networks_allocate (ai))
1c2b7db8 2811 goto err_out_free;
9e75af30
DW		 2812 airo_networks_initialize (ai);
2813
7ae41cc3
SH		 2814 skb_queue_head_init (&ai->txq);
2815
1da177e4 2816 /* The Airo-specific entries in the device structure. */
7ae41cc3
SH		 2817 if (test_bit(FLAG_MPI,&ai->flags))
2818 dev->netdev_ops = &mpi_netdev_ops;
2819 else
2820 dev->netdev_ops = &airo_netdev_ops;
1da177e4
LT		 2821 dev->wireless_handlers = &airo_handler_def;
2822 ai->wireless_data.spy_data = &ai->spy_data;
2823 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2824 dev->irq = irq;
2825 dev->base_addr = port;
550fd08c 2826 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
1da177e4
LT		 2827
2828 SET_NETDEV_DEV(dev, dmdev);
2829
1d97f384
MC		 2830 reset_card (dev, 1);
2831 msleep(400);
1da177e4 2832
1da177e4 2833 if (!is_pcmcia) {
1138c37b 2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2835 rc = -EBUSY;
934d8bf1 2836 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2837 goto err_out_nets;
1da177e4
LT		 2838 }
2839 }
2840
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
1da177e4
LT		 2844 goto err_out_res;
2845 }
2846 }
2847
2848 if (probe) {
f65b56d6 2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
934d8bf1 2850 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2851 rc = -EIO;
2852 goto err_out_map;
2853 }
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2857 }
2858
f65b56d6
DW		 2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2861 if (rc) {
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2863 goto err_out_map;
2864 }
2865 ai->wifidev = init_wifidev(ai, dev);
2866 if (!ai->wifidev)
2867 goto err_out_reg;
2868
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2871 rc = -EIO;
2872 goto err_out_wifi;
2873 }
138c0c68
DW		 2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
f65b56d6 2877
f3a981ff 2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
f65b56d6
DW		 2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2882
3c304956 2883 /* Test for WPA support */
f65b56d6
DW		 2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2889
3c304956
DW		 2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2894 } else {
f65b56d6
DW		 2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2897
3c304956
DW		 2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2901 }
2902
1da177e4 2903 set_bit(FLAG_REGISTERED,&ai->flags);
e174961c 2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2905
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2910
faf3994a 2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
431aca5a
FM		 2912 goto err_out_wifi;
2913
1da177e4
LT		 2914 return dev;
2915
431aca5a
FM		 2916err_out_wifi:
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2919err_out_reg:
2920 unregister_netdev(dev);
1da177e4
LT		 2921err_out_map:
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2927 }
2928err_out_res:
2929 if (!is_pcmcia)
2930 release_region( dev->base_addr, 64 );
4d881901
MS		 2931err_out_nets:
2932 airo_networks_free(ai);
1da177e4 2933err_out_free:
ff4bf917 2934 del_airo_dev(ai);
1da177e4
LT		 2935 free_netdev(dev);
2936 return NULL;
2937}
2938
2939struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2941{
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943}
2944
2945EXPORT_SYMBOL(init_airo_card);
2946
2947static int waitbusy (struct airo_info *ai) {
2948 int delay = 0;
b212f337 2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT		 2950 udelay (10);
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 }
2954 return delay < 10000;
2955}
2956
2957int reset_airo_card( struct net_device *dev )
2958{
2959 int i;
faf3994a 2960 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2961
2962 if (reset_card (dev, 1))
2963 return -1;
2964
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2966 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2967 return -1;
2968 }
e174961c 2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2974
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2977 return 0;
2978}
2979
2980EXPORT_SYMBOL(reset_airo_card);
2981
2982static void airo_send_event(struct net_device *dev) {
faf3994a 2983 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2986
3c304956 2987 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2989 up(&ai->sem);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2994
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2997}
2998
9e75af30
DW		 2999static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3c304956 3001 BSSListRid bss;
9e75af30
DW		 3002 int rc;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3005
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3011 }
3012
3013 /* Try to read the first entry of the scan result */
3c304956 3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW		 3016 /* No scan results */
3017 goto out;
3018 }
3019
3020 /* Read and parse all entries */
3021 tmp_net = NULL;
17e70491 3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW		 3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3028 }
3029
3030 if (tmp_net != NULL) {
3c304956 3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3032 list_add_tail(&tmp_net->list, &ai->network_list);
3033 tmp_net = NULL;
3034 }
3035
3036 /* Read next entry */
3c304956
DW		 3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3039 }
3040
3041out:
3042 ai->scan_timeout = 0;
3c304956 3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3044 up(&ai->sem);
3045
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3056}
3057
1da177e4
LT		 3058static int airo_thread(void *data) {
3059 struct net_device *dev = data;
faf3994a 3060 struct airo_info *ai = dev->ml_priv;
1da177e4 3061 int locked;
83144186
RW		 3062
3063 set_freezable();
1da177e4 3064 while(1) {
1da177e4 3065 /* make swsusp happy with our thread */
3e1d1d28 3066 try_to_freeze();
1da177e4 3067
3c304956 3068 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3069 break;
3070
3c304956 3071 if (ai->jobs) {
1da177e4
LT		 3072 locked = down_interruptible(&ai->sem);
3073 } else {
3074 wait_queue_t wait;
3075
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3078 for (;;) {
3079 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3080 if (ai->jobs)
1da177e4 3081 break;
9e75af30
DW		 3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3086 break;
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3c304956 3089 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3090 break;
3091 }
5bb85f18
DK		 3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
9e75af30
DW		 3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3097 ai->scan_timeout);
3098 } else {
3099 wake_at = min(ai->expires,
3100 ai->scan_timeout);
3101 }
3102 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3103 continue;
3104 }
5bb85f18
DK		 3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
1da177e4
LT		 3107 schedule();
3108 continue;
3109 }
3110 break;
3111 }
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3114 locked = 1;
3115 }
3116
3117 if (locked)
3118 continue;
3119
3c304956 3120 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3121 up(&ai->sem);
3122 break;
3123 }
3124
ca078bae 3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3126 up(&ai->sem);
3127 continue;
3128 }
3129
3c304956 3130 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3131 airo_end_xmit(dev);
3c304956 3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3133 airo_end_xmit11(dev);
3c304956 3134 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3135 airo_read_stats(dev);
3c304956 3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3137 airo_read_wireless_stats(ai);
3c304956 3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3139 airo_set_promisc(ai);
3c304956 3140 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3141 micinit(ai);
3c304956 3142 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3143 airo_send_event(dev);
3c304956 3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3145 timer_func(dev);
3c304956 3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3149 up(&ai->sem);
1da177e4 3150 }
3b4c7d64
SB		 3151
3152 return 0;
1da177e4
LT		 3153}
3154
0300b332
AV		 3155static int header_len(__le16 ctl)
3156{
3157 u16 fc = le16_to_cpu(ctl);
3158 switch (fc & 0xc) {
3159 case 4:
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3163 case 8:
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3166 }
3167 return 24;
3168}
3169
f55d4517 3170static void airo_handle_cisco_mic(struct airo_info *ai)
28fc1f5a 3171{
f55d4517
DW		 3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3175 }
3176}
3177
3178/* Airo Status codes */
3179#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188#define STAT_ASSOC 0x0400 /* Associated */
3189#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3190
3191static void airo_print_status(const char *devname, u16 status)
3192{
3193 u8 reason = status & 0xFF;
3194
3bc819e8 3195 switch (status & 0xFF00) {
f55d4517 3196 case STAT_NOBEACON:
3bc819e8 3197 switch (status) {
3198 case STAT_NOBEACON:
3199 airo_print_dbg(devname, "link lost (missed beacons)");
3200 break;
3201 case STAT_MAXRETRIES:
3202 case STAT_MAXARL:
3203 airo_print_dbg(devname, "link lost (max retries)");
3204 break;
3205 case STAT_FORCELOSS:
3206 airo_print_dbg(devname, "link lost (local choice)");
3207 break;
3208 case STAT_TSFSYNC:
3209 airo_print_dbg(devname, "link lost (TSF sync lost)");
3210 break;
3211 default:
3212 airo_print_dbg(devname, "unknow status %x\n", status);
3213 break;
3214 }
f55d4517
DW		 3215 break;
3216 case STAT_DEAUTH:
3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3218 break;
3219 case STAT_DISASSOC:
3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3221 break;
3222 case STAT_ASSOC_FAIL:
3223 airo_print_dbg(devname, "association failed (reason: %d)",
3224 reason);
3225 break;
3226 case STAT_AUTH_FAIL:
3227 airo_print_dbg(devname, "authentication failed (reason: %d)",
3228 reason);
3229 break;
3bc819e8 3230 case STAT_ASSOC:
3231 case STAT_REASSOC:
3232 break;
f55d4517 3233 default:
3bc819e8 3234 airo_print_dbg(devname, "unknow status %x\n", status);
f55d4517
DW		 3235 break;
3236 }
3237}
3238
3239static void airo_handle_link(struct airo_info *ai)
3240{
3241 union iwreq_data wrqu;
3242 int scan_forceloss = 0;
1da177e4 3243 u16 status;
f55d4517
DW		 3244
3245 /* Get new status and acknowledge the link change */
3246 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3247 OUT4500(ai, EVACK, EV_LINK);
3248
3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3250 scan_forceloss = 1;
3251
3252 airo_print_status(ai->dev->name, status);
3253
3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3255 if (auto_wep)
3256 ai->expires = 0;
3257 if (ai->list_bss_task)
3258 wake_up_process(ai->list_bss_task);
3259 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3261
3262 if (down_trylock(&ai->sem) != 0) {
3263 set_bit(JOB_EVENT, &ai->jobs);
3264 wake_up_interruptible(&ai->thr_wait);
3265 } else
3266 airo_send_event(ai->dev);
3267 } else if (!scan_forceloss) {
3268 if (auto_wep && !ai->expires) {
3269 ai->expires = RUN_AT(3*HZ);
3270 wake_up_interruptible(&ai->thr_wait);
3271 }
3272
3273 /* Send event to user space */
3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3277 }
3278}
3279
3280static void airo_handle_rx(struct airo_info *ai)
3281{
3282 struct sk_buff *skb = NULL;
3283 __le16 fc, v, *buffer, tmpbuf[4];
3284 u16 len, hdrlen = 0, gap, fid;
3285 struct rx_hdr hdr;
3286 int success = 0;
3287
3288 if (test_bit(FLAG_MPI, &ai->flags)) {
3289 if (test_bit(FLAG_802_11, &ai->flags))
3290 mpi_receive_802_11(ai);
3291 else
3292 mpi_receive_802_3(ai);
3293 OUT4500(ai, EVACK, EV_RX);
3294 return;
3295 }
3296
3297 fid = IN4500(ai, RXFID);
3298
3299 /* Get the packet length */
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3301 bap_setup (ai, fid, 4, BAP0);
3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3303 /* Bad CRC. Ignore packet */
3304 if (le16_to_cpu(hdr.status) & 2)
3305 hdr.len = 0;
3306 if (ai->wifidev == NULL)
3307 hdr.len = 0;
3308 } else {
3309 bap_setup(ai, fid, 0x36, BAP0);
3310 bap_read(ai, &hdr.len, 2, BAP0);
3311 }
3312 len = le16_to_cpu(hdr.len);
3313
3314 if (len > AIRO_DEF_MTU) {
3315 airo_print_err(ai->dev->name, "Bad size %d", len);
3316 goto done;
3317 }
3318 if (len == 0)
3319 goto done;
3320
3321 if (test_bit(FLAG_802_11, &ai->flags)) {
3322 bap_read(ai, &fc, sizeof (fc), BAP0);
3323 hdrlen = header_len(fc);
3324 } else
3325 hdrlen = ETH_ALEN * 2;
3326
3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3328 if (!skb) {
3329 ai->dev->stats.rx_dropped++;
3330 goto done;
3331 }
3332
3333 skb_reserve(skb, 2); /* This way the IP header is aligned */
3334 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3335 if (test_bit(FLAG_802_11, &ai->flags)) {
3336 buffer[0] = fc;
3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3338 if (hdrlen == 24)
3339 bap_read(ai, tmpbuf, 6, BAP0);
3340
3341 bap_read(ai, &v, sizeof(v), BAP0);
3342 gap = le16_to_cpu(v);
3343 if (gap) {
3344 if (gap <= 8) {
3345 bap_read(ai, tmpbuf, gap, BAP0);
3346 } else {
3347 airo_print_err(ai->dev->name, "gaplen too "
3348 "big. Problems will follow...");
3349 }
3350 }
3351 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3352 } else {
3353 MICBuffer micbuf;
3354
3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3356 if (ai->micstats.enabled) {
3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3358 if (ntohs(micbuf.typelen) > 0x05DC)
3359 bap_setup(ai, fid, 0x44, BAP0);
3360 else {
3361 if (len <= sizeof (micbuf)) {
3362 dev_kfree_skb_irq(skb);
3363 goto done;
3364 }
3365
3366 len -= sizeof(micbuf);
3367 skb_trim(skb, len + hdrlen);
3368 }
3369 }
3370
3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3373 dev_kfree_skb_irq (skb);
3374 else
3375 success = 1;
3376 }
3377
3378#ifdef WIRELESS_SPY
3379 if (success && (ai->spy_data.spy_number > 0)) {
3380 char *sa;
3381 struct iw_quality wstats;
3382
3383 /* Prepare spy data : addr + qual */
3384 if (!test_bit(FLAG_802_11, &ai->flags)) {
3385 sa = (char *) buffer + 6;
3386 bap_setup(ai, fid, 8, BAP0);
3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3388 } else
3389 sa = (char *) buffer + 10;
3390 wstats.qual = hdr.rssi[0];
3391 if (ai->rssi)
3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3393 else
3394 wstats.level = (hdr.rssi[1] + 321) / 2;
3395 wstats.noise = ai->wstats.qual.noise;
3396 wstats.updated = IW_QUAL_LEVEL_UPDATED
3397 | IW_QUAL_QUAL_UPDATED
3398 | IW_QUAL_DBM;
3399 /* Update spy records */
3400 wireless_spy_update(ai->dev, sa, &wstats);
3401 }
3402#endif /* WIRELESS_SPY */
3403
3404done:
3405 OUT4500(ai, EVACK, EV_RX);
3406
3407 if (success) {
3408 if (test_bit(FLAG_802_11, &ai->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = ai->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3413 } else
3414 skb->protocol = eth_type_trans(skb, ai->dev);
3415 skb->ip_summed = CHECKSUM_NONE;
3416
3417 netif_rx(skb);
3418 }
3419}
3420
3421static void airo_handle_tx(struct airo_info *ai, u16 status)
3422{
3423 int i, len = 0, index = -1;
1da177e4 3424 u16 fid;
f55d4517
DW		 3425
3426 if (test_bit(FLAG_MPI, &ai->flags)) {
3427 unsigned long flags;
3428
3429 if (status & EV_TXEXC)
3430 get_tx_error(ai, -1);
3431
3432 spin_lock_irqsave(&ai->aux_lock, flags);
3433 if (!skb_queue_empty(&ai->txq)) {
3434 spin_unlock_irqrestore(&ai->aux_lock,flags);
3435 mpi_send_packet(ai->dev);
3436 } else {
3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3438 spin_unlock_irqrestore(&ai->aux_lock,flags);
3439 netif_wake_queue(ai->dev);
3440 }
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3442 return;
3443 }
3444
3445 fid = IN4500(ai, TXCOMPLFID);
3446
3447 for(i = 0; i < MAX_FIDS; i++) {
3448 if ((ai->fids[i] & 0xffff) == fid) {
3449 len = ai->fids[i] >> 16;
3450 index = i;
3451 }
3452 }
3453
3454 if (index != -1) {
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, index);
3457
3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3459
3460 /* Set up to be used again */
3461 ai->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3464 netif_wake_queue(ai->dev);
3465 } else {
3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3467 netif_wake_queue(ai->wifidev);
3468 }
3469 } else {
3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3472 }
3473}
3474
3475static irqreturn_t airo_interrupt(int irq, void *dev_id)
3476{
3477 struct net_device *dev = dev_id;
3478 u16 status, savedInterrupts = 0;
3479 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 3480 int handled = 0;
3481
3482 if (!netif_device_present(dev))
3483 return IRQ_NONE;
3484
3485 for (;;) {
f55d4517
DW		 3486 status = IN4500(ai, EVSTAT);
3487 if (!(status & STATUS_INTS) || (status == 0xffff))
3488 break;
1da177e4
LT		 3489
3490 handled = 1;
3491
f55d4517
DW		 3492 if (status & EV_AWAKE) {
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT		 3495 }
3496
3497 if (!savedInterrupts) {
f55d4517
DW		 3498 savedInterrupts = IN4500(ai, EVINTEN);
3499 OUT4500(ai, EVINTEN, 0);
1da177e4
LT		 3500 }
3501
f55d4517
DW		 3502 if (status & EV_MIC) {
3503 OUT4500(ai, EVACK, EV_MIC);
3504 airo_handle_cisco_mic(ai);
1da177e4 3505 }
1da177e4 3506
f55d4517
DW		 3507 if (status & EV_LINK) {
3508 /* Link status changed */
3509 airo_handle_link(ai);
1da177e4
LT		 3510 }
3511
3512 /* Check to see if there is something to receive */
f55d4517
DW		 3513 if (status & EV_RX)
3514 airo_handle_rx(ai);
1da177e4
LT		 3515
3516 /* Check to see if a packet has been transmitted */
f55d4517
DW		 3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3518 airo_handle_tx(ai, status);
1da177e4 3519
f55d4517
DW		 3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3521 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3522 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3523 }
1da177e4
LT		 3524 }
3525
3526 if (savedInterrupts)
f55d4517 3527 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3528
1da177e4
LT		 3529 return IRQ_RETVAL(handled);
3530}
3531
3532/*
3533 * Routines to talk to the card
3534 */
3535
3536/*
3537 * This was originally written for the 4500, hence the name
3538 * NOTE: If use with 8bit mode and SMP bad things will happen!
3539 * Why would some one do 8 bit IO in an SMP machine?!?
3540 */
3541static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3542 if (test_bit(FLAG_MPI,&ai->flags))
3543 reg <<= 1;
3544 if ( !do8bitIO )
3545 outw( val, ai->dev->base_addr + reg );
3546 else {
3547 outb( val & 0xff, ai->dev->base_addr + reg );
3548 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3549 }
3550}
3551
3552static u16 IN4500( struct airo_info *ai, u16 reg ) {
3553 unsigned short rc;
3554
3555 if (test_bit(FLAG_MPI,&ai->flags))
3556 reg <<= 1;
3557 if ( !do8bitIO )
3558 rc = inw( ai->dev->base_addr + reg );
3559 else {
3560 rc = inb( ai->dev->base_addr + reg );
3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3562 }
3563 return rc;
3564}
3565
175ec1a1
MS		 3566static int enable_MAC(struct airo_info *ai, int lock)
3567{
1da177e4 3568 int rc;
175ec1a1
MS		 3569 Cmd cmd;
3570 Resp rsp;
1da177e4
LT		 3571
3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3574 * Note : we could try to use !netif_running(dev) in enable_MAC()
3575 * instead of this flag, but I don't trust it *within* the
3576 * open/close functions, and testing both flags together is
3577 * "cheaper" - Jean II */
3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3579
3580 if (lock && down_interruptible(&ai->sem))
3581 return -ERESTARTSYS;
3582
3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3584 memset(&cmd, 0, sizeof(cmd));
3585 cmd.cmd = MAC_ENABLE;
175ec1a1 3586 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3587 if (rc == SUCCESS)
3588 set_bit(FLAG_ENABLED, &ai->flags);
3589 } else
3590 rc = SUCCESS;
3591
3592 if (lock)
3593 up(&ai->sem);
3594
3595 if (rc)
175ec1a1
MS		 3596 airo_print_err(ai->dev->name, "Cannot enable MAC");
3597 else if ((rsp.status & 0xFF00) != 0) {
3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3600 rc = ERROR;
3601 }
1da177e4
LT		 3602 return rc;
3603}
3604
3605static void disable_MAC( struct airo_info *ai, int lock ) {
3606 Cmd cmd;
3607 Resp rsp;
3608
3609 if (lock && down_interruptible(&ai->sem))
3610 return;
3611
3612 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3613 memset(&cmd, 0, sizeof(cmd));
3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3615 issuecommand(ai, &cmd, &rsp);
3616 clear_bit(FLAG_ENABLED, &ai->flags);
3617 }
3618 if (lock)
3619 up(&ai->sem);
3620}
3621
3622static void enable_interrupts( struct airo_info *ai ) {
3623 /* Enable the interrupts */
3624 OUT4500( ai, EVINTEN, STATUS_INTS );
3625}
3626
3627static void disable_interrupts( struct airo_info *ai ) {
3628 OUT4500( ai, EVINTEN, 0 );
3629}
3630
3631static void mpi_receive_802_3(struct airo_info *ai)
3632{
3633 RxFid rxd;
3634 int len = 0;
3635 struct sk_buff *skb;
3636 char *buffer;
1da177e4
LT		 3637 int off = 0;
3638 MICBuffer micbuf;
1da177e4
LT		 3639
3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3641 /* Make sure we got something */
3642 if (rxd.rdy && rxd.valid == 0) {
3643 len = rxd.len + 12;
3644 if (len < 12 || len > 2048)
3645 goto badrx;
3646
3647 skb = dev_alloc_skb(len);
3648 if (!skb) {
5d9276da 3649 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3650 goto badrx;
3651 }
3652 buffer = skb_put(skb,len);
1da177e4
LT		 3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3654 if (ai->micstats.enabled) {
3655 memcpy(&micbuf,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3657 sizeof(micbuf));
3658 if (ntohs(micbuf.typelen) <= 0x05DC) {
3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3660 goto badmic;
3661
3662 off = sizeof(micbuf);
3663 skb_trim (skb, len - off);
3664 }
3665 }
3666 memcpy(buffer + ETH_ALEN * 2,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3668 len - ETH_ALEN * 2 - off);
3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3670badmic:
3671 dev_kfree_skb_irq (skb);
3672 goto badrx;
3673 }
1da177e4
LT		 3674#ifdef WIRELESS_SPY
3675 if (ai->spy_data.spy_number > 0) {
3676 char *sa;
3677 struct iw_quality wstats;
3678 /* Prepare spy data : addr + qual */
3679 sa = buffer + ETH_ALEN;
3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3681 wstats.level = 0;
3682 wstats.updated = 0;
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3685 }
3686#endif /* WIRELESS_SPY */
3687
1da177e4
LT		 3688 skb->ip_summed = CHECKSUM_NONE;
3689 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT		 3690 netif_rx(skb);
3691 }
3692badrx:
3693 if (rxd.valid == 0) {
3694 rxd.valid = 1;
3695 rxd.rdy = 0;
3696 rxd.len = PKTSIZE;
3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3698 }
3699}
3700
2ed5ba89 3701static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT		 3702{
3703 RxFid rxd;
3704 struct sk_buff *skb = NULL;
0300b332
AV		 3705 u16 len, hdrlen = 0;
3706 __le16 fc;
f55d4517 3707 struct rx_hdr hdr;
1da177e4
LT		 3708 u16 gap;
3709 u16 *buffer;
f55d4517 3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT		 3711
3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3713 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3714 ptr += sizeof(hdr);
3715 /* Bad CRC. Ignore packet */
3716 if (le16_to_cpu(hdr.status) & 2)
3717 hdr.len = 0;
3718 if (ai->wifidev == NULL)
3719 hdr.len = 0;
3720 len = le16_to_cpu(hdr.len);
15db2763 3721 if (len > AIRO_DEF_MTU) {
934d8bf1 3722 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3723 goto badrx;
3724 }
3725 if (len == 0)
3726 goto badrx;
3727
0300b332
AV		 3728 fc = get_unaligned((__le16 *)ptr);
3729 hdrlen = header_len(fc);
1da177e4
LT		 3730
3731 skb = dev_alloc_skb( len + hdrlen + 2 );
3732 if ( !skb ) {
5d9276da 3733 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3734 goto badrx;
3735 }
3736 buffer = (u16*)skb_put (skb, len + hdrlen);
3737 memcpy ((char *)buffer, ptr, hdrlen);
3738 ptr += hdrlen;
3739 if (hdrlen == 24)
3740 ptr += 6;
533dd1b0 3741 gap = get_unaligned_le16(ptr);
593c2b9c 3742 ptr += sizeof(__le16);
1da177e4
LT		 3743 if (gap) {
3744 if (gap <= 8)
3745 ptr += gap;
3746 else
934d8bf1
DW		 3747 airo_print_err(ai->dev->name,
3748 "gaplen too big. Problems will follow...");
1da177e4
LT		 3749 }
3750 memcpy ((char *)buffer + hdrlen, ptr, len);
3751 ptr += len;
3752#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3753 if (ai->spy_data.spy_number > 0) {
3754 char *sa;
3755 struct iw_quality wstats;
3756 /* Prepare spy data : addr + qual */
3757 sa = (char*)buffer + 10;
3758 wstats.qual = hdr.rssi[0];
3759 if (ai->rssi)
3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3761 else
3762 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3763 wstats.noise = ai->wstats.qual.noise;
3764 wstats.updated = IW_QUAL_QUAL_UPDATED
3765 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3766 | IW_QUAL_DBM;
1da177e4
LT		 3767 /* Update spy records */
3768 wireless_spy_update(ai->dev, sa, &wstats);
3769 }
3770#endif /* IW_WIRELESS_SPY */
459a98ed 3771 skb_reset_mac_header(skb);
1da177e4
LT		 3772 skb->pkt_type = PACKET_OTHERHOST;
3773 skb->dev = ai->wifidev;
3774 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT		 3775 skb->ip_summed = CHECKSUM_NONE;
3776 netif_rx( skb );
f55d4517 3777
1da177e4
LT		 3778badrx:
3779 if (rxd.valid == 0) {
3780 rxd.valid = 1;
3781 rxd.rdy = 0;
3782 rxd.len = PKTSIZE;
3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3784 }
3785}
3786
3787static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3788{
3789 Cmd cmd;
3790 Resp rsp;
3791 int status;
1da177e4 3792 SsidRid mySsid;
4293ea33 3793 __le16 lastindex;
1da177e4
LT		 3794 WepKeyRid wkr;
3795 int rc;
3796
3797 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3798 kfree (ai->flash);
3799 ai->flash = NULL;
1da177e4
LT		 3800
3801 /* The NOP is the first step in getting the card going */
3802 cmd.cmd = NOP;
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3805 return ERROR;
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3807 if (lock)
3808 up(&ai->sem);
3809 return ERROR;
3810 }
3811 disable_MAC( ai, 0);
3812
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3817 if (lock)
3818 up(&ai->sem);
934d8bf1 3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3820 return ERROR;
3821 }
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
934d8bf1 3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3825 } else {
3826 ai->bap_read = aux_bap_read;
934d8bf1 3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3828 }
3829 }
3830 if (lock)
3831 up(&ai->sem);
3832 if (ai->config.len == 0) {
49c4a5dc 3833 int i;
1da177e4
LT		 3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3836
b4558ea9
JJ		 3837 kfree(ai->APList);
3838 ai->APList = NULL;
3839 kfree(ai->SSID);
3840 ai->SSID = NULL;
1da177e4
LT		 3841 // general configuration (read/modify/write)
3842 status = readConfigRid(ai, lock);
3843 if ( status != SUCCESS ) return ERROR;
3844
3845 status = readCapabilityRid(ai, &cap_rid, lock);
3846 if ( status != SUCCESS ) return ERROR;
3847
3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3849 if ( status == SUCCESS ) {
3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3852 }
3853 else {
b4558ea9
JJ		 3854 kfree(ai->rssi);
3855 ai->rssi = NULL;
56d81bd3 3856 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3858 else
934d8bf1
DW		 3859 airo_print_warn(ai->dev->name, "unknown received signal "
3860 "level scale");
1da177e4
LT		 3861 }
3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3863 ai->config.authType = AUTH_OPEN;
3864 ai->config.modulation = MOD_CCK;
3865
56d81bd3 3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3867 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3868 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3869 ai->config.opmode |= MODE_MIC;
3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3871 }
1da177e4
LT		 3872
3873 /* Save off the MAC */
3874 for( i = 0; i < ETH_ALEN; i++ ) {
3875 mac[i] = ai->config.macAddr[i];
3876 }
3877
3878 /* Check to see if there are any insmod configured
3879 rates to add */
3880 if ( rates[0] ) {
1da177e4
LT		 3881 memset(ai->config.rates,0,sizeof(ai->config.rates));
3882 for( i = 0; i < 8 && rates[i]; i++ ) {
3883 ai->config.rates[i] = rates[i];
3884 }
3885 }
1da177e4
LT		 3886 set_bit (FLAG_COMMIT, &ai->flags);
3887 }
3888
3889 /* Setup the SSIDs if present */
3890 if ( ssids[0] ) {
3891 int i;
3892 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3893 size_t len = strlen(ssids[i]);
3894 if (len > 32)
3895 len = 32;
3896 mySsid.ssids[i].len = cpu_to_le16(len);
3897 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3898 }
0dd2212f 3899 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3900 }
3901
3902 status = writeConfigRid(ai, lock);
3903 if ( status != SUCCESS ) return ERROR;
3904
3905 /* Set up the SSID list */
3906 if ( ssids[0] ) {
3907 status = writeSsidRid(ai, &mySsid, lock);
3908 if ( status != SUCCESS ) return ERROR;
3909 }
3910
175ec1a1
MS		 3911 status = enable_MAC(ai, lock);
3912 if (status != SUCCESS)
1da177e4 3913 return ERROR;
1da177e4
LT		 3914
3915 /* Grab the initial wep key, we gotta save it for auto_wep */
3916 rc = readWepKeyRid(ai, &wkr, 1, lock);
3917 if (rc == SUCCESS) do {
3918 lastindex = wkr.kindex;
4293ea33 3919 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3920 ai->defindex = wkr.mac[0];
3921 }
3922 rc = readWepKeyRid(ai, &wkr, 0, lock);
3923 } while(lastindex != wkr.kindex);
3924
1c2b7db8 3925 try_auto_wep(ai);
1da177e4
LT		 3926
3927 return SUCCESS;
3928}
3929
3930static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3933
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3936
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3947 schedule();
3948 }
3949
3950 if ( max_tries == -1 ) {
934d8bf1 3951 airo_print_err(ai->dev->name,
25985edc 3952 "Max tries exceeded when issuing command");
1da177e4
LT		 3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3955 return ERROR;
3956 }
3957
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3967 pRsp->rsp2);
1da177e4
LT		 3968
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 }
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3975
3976 return SUCCESS;
3977}
3978
3979/* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3981 * calling! */
3982static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983{
3984 int timeout = 50;
3985 int max_tries = 3;
3986
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3989 while (1) {
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3993 close */
3994 if (timeout--) {
3995 continue;
3996 }
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
934d8bf1 3999 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 4000 status, whichbap );
4001 return ERROR;
4002 } else if (status & BAP_DONE) { // success
4003 return SUCCESS;
4004 }
4005 if ( !(max_tries--) ) {
934d8bf1 4006 airo_print_err(ai->dev->name,
1138c37b 4007 "BAP setup error too many retries\n");
1da177e4
LT		 4008 return ERROR;
4009 }
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4013 timeout = 50;
4014 }
4015}
4016
4017/* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4022{
4023 u16 next;
4024
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4030 return next;
4031}
4032
4033/* requires call to bap_setup() first */
b8c06bc1 4034static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4035 int bytelen, int whichbap)
4036{
4037 u16 len;
4038 u16 page;
4039 u16 offset;
4040 u16 next;
4041 int words;
4042 int i;
4043 unsigned long flags;
4044
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4050
4051 for (i=0; i<words;) {
4052 int count;
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4054 if ( !do8bitIO )
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4056 pu16Dst+i,count );
4057 else
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4060 i += count;
4061 if (i<words) {
4062 next = aux_setup(ai, next, 4, &len);
4063 }
4064 }
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4066 return SUCCESS;
4067}
4068
4069
4070/* requires call to bap_setup() first */
b8c06bc1 4071static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4072 int bytelen, int whichbap)
4073{
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4075 if ( !do8bitIO )
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4077 else
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4079 return SUCCESS;
4080}
4081
4082/* requires call to bap_setup() first */
b8c06bc1 4083static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4084 int bytelen, int whichbap)
4085{
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4087 if ( !do8bitIO )
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4090 else
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4092 return SUCCESS;
4093}
4094
4095static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4096{
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4099 u16 status;
4100
4101 memset(&cmd, 0, sizeof(cmd));
4102 cmd.cmd = accmd;
4103 cmd.parm0 = rid;
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 }
4109 return 0;
4110}
4111
4112/* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115{
4116 u16 status;
4117 int rc = SUCCESS;
4118
4119 if (lock) {
4120 if (down_interruptible(&ai->sem))
4121 return ERROR;
4122 }
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4124 Cmd cmd;
4125 Resp rsp;
4126
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4133
4134 cmd.cmd = CMD_ACCESS;
4135 cmd.parm0 = rid;
4136
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4139
4140 rc = issuecommand(ai, &cmd, &rsp);
4141
4142 if (rsp.status & 0x7f00)
4143 rc = rsp.rsp0;
4144 if (!rc)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4146 goto done;
4147 } else {
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4149 rc = status;
4150 goto done;
4151 }
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4153 rc = ERROR;
4154 goto done;
4155 }
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
593c2b9c 4159 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4160
4161 if ( len <= 2 ) {
934d8bf1
DW		 4162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4164 (int)rid, (int)len );
4165 rc = ERROR;
4166 goto done;
4167 }
4168 // read remainder of the rid
b8c06bc1 4169 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4170 }
4171done:
4172 if (lock)
4173 up(&ai->sem);
4174 return rc;
4175}
4176
4177/* Note, that we are using BAP1 which is also used by transmit, so
25985edc 4178 * make sure this isn't called when a transmit is happening */
1da177e4
LT		 4179static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4181{
4182 u16 status;
4183 int rc = SUCCESS;
4184
593c2b9c 4185 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4186
4187 if (lock) {
4188 if (down_interruptible(&ai->sem))
4189 return ERROR;
4190 }
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4192 Cmd cmd;
4193 Resp rsp;
4194
f89b2321 4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4198 __func__, rid);
1da177e4
LT		 4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4201
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4205
4206 cmd.cmd = CMD_WRITERID;
4207 cmd.parm0 = rid;
4208
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4211
4212 if (len < 4 || len > 2047) {
c94c93da 4213 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT		 4214 rc = -1;
4215 } else {
2c208890 4216 memcpy(ai->config_desc.virtual_host_addr,
1da177e4
LT		 4217 pBuf, len);
4218
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
934d8bf1 4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4222 __func__, rc);
934d8bf1 4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4224 __func__, cmd.cmd);
1da177e4
LT		 4225 }
4226
4227 if ((rsp.status & 0x7f00))
4228 rc = rsp.rsp0;
4229 }
4230 } else {
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4233 rc = status;
4234 goto done;
4235 }
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4238 rc = ERROR;
4239 goto done;
4240 }
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 }
4245done:
4246 if (lock)
4247 up(&ai->sem);
4248 return rc;
4249}
4250
4251/* Allocates a FID to be used for transmitting packets. We only use
4252 one for now. */
4253static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4254{
4255 unsigned int loop = 3000;
4256 Cmd cmd;
4257 Resp rsp;
4258 u16 txFid;
593c2b9c 4259 __le16 txControl;
1da177e4
LT		 4260
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4264 return ERROR;
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4266 txFid = ERROR;
4267 goto done;
4268 }
4269 if ( (rsp.status & 0xFF00) != 0) {
4270 txFid = ERROR;
4271 goto done;
4272 }
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4277 if (!loop) {
4278 txFid = ERROR;
4279 goto done;
4280 }
4281
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4285
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4291 if (raw)
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4294 else
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4298 txFid = ERROR;
4299 else
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301
4302done:
4303 up(&ai->sem);
4304
4305 return txFid;
4306}
4307
4308/* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4312{
593c2b9c 4313 __le16 payloadLen;
1da177e4
LT		 4314 Cmd cmd;
4315 Resp rsp;
4316 int miclen = 0;
4317 u16 txFid = len;
4318 MICBuffer pMic;
4319
4320 len >>= 16;
4321
4322 if (len <= ETH_ALEN * 2) {
934d8bf1 4323 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4324 return ERROR;
4325 }
4326 len -= ETH_ALEN * 2;
4327
1da177e4 4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4329 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4331 return ERROR;
4332 miclen = sizeof(pMic);
4333 }
1da177e4
LT		 4334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4341 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4342 if (miclen)
b8c06bc1
AV		 4343 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4348 cmd.parm0 = txFid;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4351 return SUCCESS;
4352}
4353
4354static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4355{
593c2b9c 4356 __le16 fc, payloadLen;
1da177e4
LT		 4357 Cmd cmd;
4358 Resp rsp;
4359 int hdrlen;
977b143c
AV		 4360 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4361 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4362 u16 txFid = len;
4363 len >>= 16;
1da177e4 4364
0300b332
AV		 4365 fc = *(__le16*)pPacket;
4366 hdrlen = header_len(fc);
1da177e4
LT		 4367
4368 if (len < hdrlen) {
934d8bf1 4369 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4370 return ERROR;
4371 }
4372
4373 /* packet is 802.11 header + payload
4374 * write the payload length and dst/src/payload */
4375 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4376 /* The 802.11 header aren't counted as part of the payload, so
4377 * we have to subtract the header bytes off */
4378 payloadLen = cpu_to_le16(len-hdrlen);
4379 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4380 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4381 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4382 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4383
b8c06bc1 4384 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4385 // issue the transmit command
4386 memset( &cmd, 0, sizeof( cmd ) );
4387 cmd.cmd = CMD_TRANSMIT;
4388 cmd.parm0 = txFid;
4389 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4390 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4391 return SUCCESS;
4392}
4393
4394/*
4395 * This is the proc_fs routines. It is a bit messier than I would
4396 * like! Feel free to clean it up!
4397 */
4398
4399static ssize_t proc_read( struct file *file,
4400 char __user *buffer,
4401 size_t len,
4402 loff_t *offset);
4403
4404static ssize_t proc_write( struct file *file,
4405 const char __user *buffer,
4406 size_t len,
4407 loff_t *offset );
4408static int proc_close( struct inode *inode, struct file *file );
4409
4410static int proc_stats_open( struct inode *inode, struct file *file );
4411static int proc_statsdelta_open( struct inode *inode, struct file *file );
4412static int proc_status_open( struct inode *inode, struct file *file );
4413static int proc_SSID_open( struct inode *inode, struct file *file );
4414static int proc_APList_open( struct inode *inode, struct file *file );
4415static int proc_BSSList_open( struct inode *inode, struct file *file );
4416static int proc_config_open( struct inode *inode, struct file *file );
4417static int proc_wepkey_open( struct inode *inode, struct file *file );
4418
d54b1fdb 4419static const struct file_operations proc_statsdelta_ops = {
a95609cb 4420 .owner = THIS_MODULE,
1da177e4
LT		 4421 .read = proc_read,
4422 .open = proc_statsdelta_open,
6038f373
AB		 4423 .release = proc_close,
4424 .llseek = default_llseek,
1da177e4
LT		 4425};
4426
d54b1fdb 4427static const struct file_operations proc_stats_ops = {
a95609cb 4428 .owner = THIS_MODULE,
1da177e4
LT		 4429 .read = proc_read,
4430 .open = proc_stats_open,
6038f373
AB		 4431 .release = proc_close,
4432 .llseek = default_llseek,
1da177e4
LT		 4433};
4434
d54b1fdb 4435static const struct file_operations proc_status_ops = {
a95609cb 4436 .owner = THIS_MODULE,
1da177e4
LT		 4437 .read = proc_read,
4438 .open = proc_status_open,
6038f373
AB		 4439 .release = proc_close,
4440 .llseek = default_llseek,
1da177e4
LT		 4441};
4442
d54b1fdb 4443static const struct file_operations proc_SSID_ops = {
a95609cb 4444 .owner = THIS_MODULE,
1da177e4
LT		 4445 .read = proc_read,
4446 .write = proc_write,
4447 .open = proc_SSID_open,
6038f373
AB		 4448 .release = proc_close,
4449 .llseek = default_llseek,
1da177e4
LT		 4450};
4451
d54b1fdb 4452static const struct file_operations proc_BSSList_ops = {
a95609cb 4453 .owner = THIS_MODULE,
1da177e4
LT		 4454 .read = proc_read,
4455 .write = proc_write,
4456 .open = proc_BSSList_open,
6038f373
AB		 4457 .release = proc_close,
4458 .llseek = default_llseek,
1da177e4
LT		 4459};
4460
d54b1fdb 4461static const struct file_operations proc_APList_ops = {
a95609cb 4462 .owner = THIS_MODULE,
1da177e4
LT		 4463 .read = proc_read,
4464 .write = proc_write,
4465 .open = proc_APList_open,
6038f373
AB		 4466 .release = proc_close,
4467 .llseek = default_llseek,
1da177e4
LT		 4468};
4469
d54b1fdb 4470static const struct file_operations proc_config_ops = {
a95609cb 4471 .owner = THIS_MODULE,
1da177e4
LT		 4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_config_open,
6038f373
AB		 4475 .release = proc_close,
4476 .llseek = default_llseek,
1da177e4
LT		 4477};
4478
d54b1fdb 4479static const struct file_operations proc_wepkey_ops = {
a95609cb 4480 .owner = THIS_MODULE,
1da177e4
LT		 4481 .read = proc_read,
4482 .write = proc_write,
4483 .open = proc_wepkey_open,
6038f373
AB		 4484 .release = proc_close,
4485 .llseek = default_llseek,
1da177e4
LT		 4486};
4487
4488static struct proc_dir_entry *airo_entry;
4489
4490struct proc_data {
4491 int release_buffer;
4492 int readlen;
4493 char *rbuffer;
4494 int writelen;
4495 int maxwritelen;
4496 char *wbuffer;
4497 void (*on_close) (struct inode *, struct file *);
4498};
4499
1da177e4
LT		 4500static int setup_proc_entry( struct net_device *dev,
4501 struct airo_info *apriv ) {
4502 struct proc_dir_entry *entry;
1efa29cd 4503
1da177e4
LT		 4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
011159a0
AD		 4506 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4507 airo_entry);
431aca5a 4508 if (!apriv->proc_entry)
b25f774d 4509 return -ENOMEM;
271a15ea 4510 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
1da177e4
LT		 4511
4512 /* Setup the StatsDelta */
011159a0 4513 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
a95609cb 4514 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a 4515 if (!entry)
b25f774d 4516 goto fail;
271a15ea 4517 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4518
4519 /* Setup the Stats */
011159a0 4520 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
a95609cb 4521 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a 4522 if (!entry)
b25f774d 4523 goto fail;
271a15ea 4524 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4525
4526 /* Setup the Status */
011159a0 4527 entry = proc_create_data("Status", S_IRUGO & proc_perm,
a95609cb 4528 apriv->proc_entry, &proc_status_ops, dev);
431aca5a 4529 if (!entry)
b25f774d 4530 goto fail;
271a15ea 4531 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4532
4533 /* Setup the Config */
011159a0 4534 entry = proc_create_data("Config", proc_perm,
a95609cb 4535 apriv->proc_entry, &proc_config_ops, dev);
431aca5a 4536 if (!entry)
b25f774d 4537 goto fail;
271a15ea 4538 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4539
4540 /* Setup the SSID */
011159a0 4541 entry = proc_create_data("SSID", proc_perm,
a95609cb 4542 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a 4543 if (!entry)
b25f774d 4544 goto fail;
271a15ea 4545 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4546
4547 /* Setup the APList */
011159a0 4548 entry = proc_create_data("APList", proc_perm,
a95609cb 4549 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a 4550 if (!entry)
b25f774d 4551 goto fail;
271a15ea 4552 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4553
4554 /* Setup the BSSList */
011159a0 4555 entry = proc_create_data("BSSList", proc_perm,
a95609cb 4556 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a 4557 if (!entry)
b25f774d 4558 goto fail;
271a15ea 4559 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4
LT		 4560
4561 /* Setup the WepKey */
011159a0 4562 entry = proc_create_data("WepKey", proc_perm,
a95609cb 4563 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a 4564 if (!entry)
b25f774d 4565 goto fail;
271a15ea 4566 proc_set_user(entry, proc_kuid, proc_kgid);
1da177e4 4567 return 0;
431aca5a 4568
431aca5a 4569fail:
b25f774d 4570 remove_proc_subtree(apriv->proc_name, airo_entry);
431aca5a 4571 return -ENOMEM;
1da177e4
LT		 4572}
4573
4574static int takedown_proc_entry( struct net_device *dev,
b25f774d
DH		 4575 struct airo_info *apriv )
4576{
4577 remove_proc_subtree(apriv->proc_name, airo_entry);
1da177e4
LT		 4578 return 0;
4579}
4580
4581/*
4582 * What we want from the proc_fs is to be able to efficiently read
4583 * and write the configuration. To do this, we want to read the
4584 * configuration when the file is opened and write it when the file is
4585 * closed. So basically we allocate a read buffer at open and fill it
4586 * with data, and allocate a write buffer and read it at close.
4587 */
4588
4589/*
4590 * The read routine is generic, it relies on the preallocated rbuffer
4591 * to supply the data.
4592 */
4593static ssize_t proc_read( struct file *file,
4594 char __user *buffer,
4595 size_t len,
4596 loff_t *offset )
4597{
cc0d9ff2 4598 struct proc_data *priv = file->private_data;
1da177e4
LT		 4599
4600 if (!priv->rbuffer)
4601 return -EINVAL;
4602
cc0d9ff2
AM		 4603 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4604 priv->readlen);
1da177e4
LT		 4605}
4606
4607/*
4608 * The write routine is generic, it fills in a preallocated rbuffer
4609 * to supply the data.
4610 */
4611static ssize_t proc_write( struct file *file,
4612 const char __user *buffer,
4613 size_t len,
4614 loff_t *offset )
4615{
ad9082ad 4616 ssize_t ret;
57674308 4617 struct proc_data *priv = file->private_data;
1da177e4
LT		 4618
4619 if (!priv->wbuffer)
4620 return -EINVAL;
4621
ad9082ad
AM		 4622 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4623 buffer, len);
4624 if (ret > 0)
4625 priv->writelen = max_t(int, priv->writelen, *offset);
4626
4627 return ret;
1da177e4
LT		 4628}
4629
329e2c00
AV		 4630static int proc_status_open(struct inode *inode, struct file *file)
4631{
1da177e4 4632 struct proc_data *data;
d9dda78b 4633 struct net_device *dev = PDE_DATA(inode);
faf3994a 4634 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4635 CapabilityRid cap_rid;
4636 StatusRid status_rid;
329e2c00 4637 u16 mode;
1da177e4
LT		 4638 int i;
4639
b69a3aa8 4640 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4641 return -ENOMEM;
57674308 4642 data = file->private_data;
1da177e4
LT		 4643 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4644 kfree (file->private_data);
4645 return -ENOMEM;
4646 }
4647
4648 readStatusRid(apriv, &status_rid, 1);
4649 readCapabilityRid(apriv, &cap_rid, 1);
4650
329e2c00
AV		 4651 mode = le16_to_cpu(status_rid.mode);
4652
1da177e4 4653 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4654 mode & 1 ? "CFG ": "",
4655 mode & 2 ? "ACT ": "",
4656 mode & 0x10 ? "SYN ": "",
4657 mode & 0x20 ? "LNK ": "",
4658 mode & 0x40 ? "LEAP ": "",
4659 mode & 0x80 ? "PRIV ": "",
4660 mode & 0x100 ? "KEY ": "",
4661 mode & 0x200 ? "WEP ": "",
4662 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4663 sprintf( data->rbuffer+i, "Mode: %x\n"
4664 "Signal Strength: %d\n"
4665 "Signal Quality: %d\n"
4666 "SSID: %-.*s\n"
4667 "AP: %-.16s\n"
4668 "Freq: %d\n"
4669 "BitRate: %dmbs\n"
4670 "Driver Version: %s\n"
4671 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4672 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4673 "Software Version: %x\nSoftware Subversion: %x\n"
4674 "Boot block version: %x\n",
329e2c00
AV		 4675 le16_to_cpu(status_rid.mode),
4676 le16_to_cpu(status_rid.normalizedSignalStrength),
4677 le16_to_cpu(status_rid.signalQuality),
4678 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4679 status_rid.SSID,
4680 status_rid.apName,
329e2c00
AV		 4681 le16_to_cpu(status_rid.channel),
4682 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4683 version,
4684 cap_rid.prodName,
4685 cap_rid.manName,
4686 cap_rid.prodVer,
56d81bd3
AV		 4687 le16_to_cpu(cap_rid.radioType),
4688 le16_to_cpu(cap_rid.country),
4689 le16_to_cpu(cap_rid.hardVer),
4690 le16_to_cpu(cap_rid.softVer),
4691 le16_to_cpu(cap_rid.softSubVer),
4692 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4693 data->readlen = strlen( data->rbuffer );
4694 return 0;
4695}
4696
4697static int proc_stats_rid_open(struct inode*, struct file*, u16);
4698static int proc_statsdelta_open( struct inode *inode,
4699 struct file *file ) {
4700 if (file->f_mode&FMODE_WRITE) {
4701 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4702 }
4703 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4704}
4705
4706static int proc_stats_open( struct inode *inode, struct file *file ) {
4707 return proc_stats_rid_open(inode, file, RID_STATS);
4708}
4709
4710static int proc_stats_rid_open( struct inode *inode,
4711 struct file *file,
a23ace5f
AV		 4712 u16 rid )
4713{
1da177e4 4714 struct proc_data *data;
d9dda78b 4715 struct net_device *dev = PDE_DATA(inode);
faf3994a 4716 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4717 StatsRid stats;
4718 int i, j;
a23ace5f 4719 __le32 *vals = stats.vals;
bc8263f1 4720 int len;
1da177e4 4721
b69a3aa8 4722 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4723 return -ENOMEM;
57674308 4724 data = file->private_data;
1da177e4
LT		 4725 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4726 kfree (file->private_data);
4727 return -ENOMEM;
4728 }
4729
4730 readStatsRid(apriv, &stats, rid, 1);
bc8263f1 4731 len = le16_to_cpu(stats.len);
1da177e4
LT		 4732
4733 j = 0;
a23ace5f 4734 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4735 if (!statsLabels[i]) continue;
4736 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1 4737 airo_print_warn(apriv->dev->name,
25985edc 4738 "Potentially disastrous buffer overflow averted!");
1da177e4
LT		 4739 break;
4740 }
a23ace5f
AV		 4741 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4742 le32_to_cpu(vals[i]));
1da177e4 4743 }
a23ace5f 4744 if (i*4 >= len) {
934d8bf1 4745 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4746 }
4747 data->readlen = j;
4748 return 0;
4749}
4750
4751static int get_dec_u16( char *buffer, int *start, int limit ) {
4752 u16 value;
4753 int valid = 0;
30bd5726
RK		 4754 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4755 buffer[*start] <= '9'; (*start)++) {
1da177e4
LT		 4756 valid = 1;
4757 value *= 10;
4758 value += buffer[*start] - '0';
4759 }
4760 if ( !valid ) return -1;
4761 return value;
4762}
4763
4764static int airo_config_commit(struct net_device *dev,
4765 struct iw_request_info *info, void *zwrq,
4766 char *extra);
4767
3eb9b41f
AV		 4768static inline int sniffing_mode(struct airo_info *ai)
4769{
1f351e38 4770 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
3eb9b41f
AV		 4771 le16_to_cpu(RXMODE_RFMON);
4772}
4773
4774static void proc_config_on_close(struct inode *inode, struct file *file)
4775{
1da177e4 4776 struct proc_data *data = file->private_data;
d9dda78b 4777 struct net_device *dev = PDE_DATA(inode);
faf3994a 4778 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 4779 char *line;
4780
4781 if ( !data->writelen ) return;
4782
4783 readConfigRid(ai, 1);
4784 set_bit (FLAG_COMMIT, &ai->flags);
4785
4786 line = data->wbuffer;
4787 while( line[0] ) {
4788/*** Mode processing */
4789 if ( !strncmp( line, "Mode: ", 6 ) ) {
4790 line += 6;
3eb9b41f
AV		 4791 if (sniffing_mode(ai))
4792 set_bit (FLAG_RESET, &ai->flags);
4793 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4794 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4795 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4796 ai->config.scanMode = SCANMODE_ACTIVE;
4797 if ( line[0] == 'a' ) {
3eb9b41f 4798 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4799 } else {
3eb9b41f 4800 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4801 if ( line[0] == 'r' ) {
4802 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4803 ai->config.scanMode = SCANMODE_PASSIVE;
4804 set_bit (FLAG_802_11, &ai->flags);
4805 } else if ( line[0] == 'y' ) {
4806 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4807 ai->config.scanMode = SCANMODE_PASSIVE;
4808 set_bit (FLAG_802_11, &ai->flags);
4809 } else if ( line[0] == 'l' )
4810 ai->config.rmode |= RXMODE_LANMON;
4811 }
4812 set_bit (FLAG_COMMIT, &ai->flags);
4813 }
4814
4815/*** Radio status */
4816 else if (!strncmp(line,"Radio: ", 7)) {
4817 line += 7;
4818 if (!strncmp(line,"off",3)) {
4819 set_bit (FLAG_RADIO_OFF, &ai->flags);
4820 } else {
4821 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4822 }
4823 }
4824/*** NodeName processing */
4825 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4826 int j;
4827
4828 line += 10;
4829 memset( ai->config.nodeName, 0, 16 );
4830/* Do the name, assume a space between the mode and node name */
4831 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4832 ai->config.nodeName[j] = line[j];
4833 }
4834 set_bit (FLAG_COMMIT, &ai->flags);
4835 }
4836
4837/*** PowerMode processing */
4838 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4839 line += 11;
4840 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4841 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4842 set_bit (FLAG_COMMIT, &ai->flags);
4843 } else if ( !strncmp( line, "PSP", 3 ) ) {
4844 ai->config.powerSaveMode = POWERSAVE_PSP;
4845 set_bit (FLAG_COMMIT, &ai->flags);
4846 } else {
4847 ai->config.powerSaveMode = POWERSAVE_CAM;
4848 set_bit (FLAG_COMMIT, &ai->flags);
4849 }
4850 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4851 int v, i = 0, k = 0; /* i is index into line,
4852 k is index to rates */
4853
4854 line += 11;
4855 while((v = get_dec_u16(line, &i, 3))!=-1) {
4856 ai->config.rates[k++] = (u8)v;
4857 line += i + 1;
4858 i = 0;
4859 }
4860 set_bit (FLAG_COMMIT, &ai->flags);
4861 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4862 int v, i = 0;
4863 line += 9;
4864 v = get_dec_u16(line, &i, i+3);
4865 if ( v != -1 ) {
3eb9b41f 4866 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4867 set_bit (FLAG_COMMIT, &ai->flags);
4868 }
4869 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4870 int v, i = 0;
4871 line += 11;
4872 v = get_dec_u16(line, &i, i+3);
4873 if ( v != -1 ) {
3eb9b41f 4874 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4875 set_bit (FLAG_COMMIT, &ai->flags);
4876 }
4877 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4878 line += 5;
4879 switch( line[0] ) {
4880 case 's':
3eb9b41f 4881 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4882 break;
4883 case 'e':
3eb9b41f 4884 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4885 break;
4886 default:
3eb9b41f 4887 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4888 break;
4889 }
4890 set_bit (FLAG_COMMIT, &ai->flags);
4891 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4892 int v, i = 0;
4893
4894 line += 16;
4895 v = get_dec_u16(line, &i, 3);
4896 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4897 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4898 set_bit (FLAG_COMMIT, &ai->flags);
4899 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4900 int v, i = 0;
4901
4902 line += 17;
4903 v = get_dec_u16(line, &i, 3);
4904 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4905 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4906 set_bit (FLAG_COMMIT, &ai->flags);
4907 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4908 int v, i = 0;
4909
4910 line += 14;
4911 v = get_dec_u16(line, &i, 4);
15db2763 4912 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4913 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4914 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4916 int v, i = 0;
4917
4918 line += 16;
4919 v = get_dec_u16(line, &i, 5);
4920 v = (v<0) ? 0 : v;
3eb9b41f 4921 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4922 set_bit (FLAG_COMMIT, &ai->flags);
4923 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4924 int v, i = 0;
4925
4926 line += 16;
4927 v = get_dec_u16(line, &i, 5);
4928 v = (v<0) ? 0 : v;
3eb9b41f 4929 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4932 ai->config.txDiversity =
4933 (line[13]=='l') ? 1 :
4934 ((line[13]=='r')? 2: 3);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4937 ai->config.rxDiversity =
4938 (line[13]=='l') ? 1 :
4939 ((line[13]=='r')? 2: 3);
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4942 int v, i = 0;
4943
4944 line += 15;
4945 v = get_dec_u16(line, &i, 4);
15db2763 4946 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4947 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4948 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if (!strncmp(line, "Modulation: ", 12)) {
4951 line += 12;
4952 switch(*line) {
4953 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4954 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4955 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4956 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4957 }
4958 } else if (!strncmp(line, "Preamble: ", 10)) {
4959 line += 10;
4960 switch(*line) {
4961 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4962 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4964 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 4965 }
4966 } else {
934d8bf1 4967 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 4968 }
4969 while( line[0] && line[0] != '\n' ) line++;
4970 if ( line[0] ) line++;
4971 }
4972 airo_config_commit(dev, NULL, NULL, NULL);
4973}
4974
7a374d8e 4975static const char *get_rmode(__le16 mode)
3eb9b41f
AV		 4976{
4977 switch(mode & RXMODE_MASK) {
1da177e4
LT		 4978 case RXMODE_RFMON: return "rfmon";
4979 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4980 case RXMODE_LANMON: return "lanmon";
4981 }
4982 return "ESS";
4983}
4984
3eb9b41f
AV		 4985static int proc_config_open(struct inode *inode, struct file *file)
4986{
1da177e4 4987 struct proc_data *data;
d9dda78b 4988 struct net_device *dev = PDE_DATA(inode);
faf3994a 4989 struct airo_info *ai = dev->ml_priv;
1da177e4 4990 int i;
3eb9b41f 4991 __le16 mode;
1da177e4 4992
b69a3aa8 4993 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4994 return -ENOMEM;
57674308 4995 data = file->private_data;
1da177e4
LT		 4996 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4997 kfree (file->private_data);
4998 return -ENOMEM;
4999 }
b69a3aa8 5000 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5001 kfree (data->rbuffer);
5002 kfree (file->private_data);
5003 return -ENOMEM;
5004 }
1da177e4
LT		 5005 data->maxwritelen = 2048;
5006 data->on_close = proc_config_on_close;
5007
5008 readConfigRid(ai, 1);
5009
3eb9b41f 5010 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 5011 i = sprintf( data->rbuffer,
5012 "Mode: %s\n"
5013 "Radio: %s\n"
5014 "NodeName: %-16s\n"
5015 "PowerMode: %s\n"
5016 "DataRates: %d %d %d %d %d %d %d %d\n"
5017 "Channel: %d\n"
5018 "XmitPower: %d\n",
3eb9b41f
AV		 5019 mode == MODE_STA_IBSS ? "adhoc" :
5020 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5021 mode == MODE_AP ? "AP" :
5022 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5023 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5024 ai->config.nodeName,
3eb9b41f
AV		 5025 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5026 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5027 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5028 "Error",
1da177e4
LT		 5029 (int)ai->config.rates[0],
5030 (int)ai->config.rates[1],
5031 (int)ai->config.rates[2],
5032 (int)ai->config.rates[3],
5033 (int)ai->config.rates[4],
5034 (int)ai->config.rates[5],
5035 (int)ai->config.rates[6],
5036 (int)ai->config.rates[7],
3eb9b41f
AV		 5037 le16_to_cpu(ai->config.channelSet),
5038 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5039 );
5040 sprintf( data->rbuffer + i,
5041 "LongRetryLimit: %d\n"
5042 "ShortRetryLimit: %d\n"
5043 "RTSThreshold: %d\n"
5044 "TXMSDULifetime: %d\n"
5045 "RXMSDULifetime: %d\n"
5046 "TXDiversity: %s\n"
5047 "RXDiversity: %s\n"
5048 "FragThreshold: %d\n"
5049 "WEP: %s\n"
5050 "Modulation: %s\n"
5051 "Preamble: %s\n",
3eb9b41f
AV		 5052 le16_to_cpu(ai->config.longRetryLimit),
5053 le16_to_cpu(ai->config.shortRetryLimit),
5054 le16_to_cpu(ai->config.rtsThres),
5055 le16_to_cpu(ai->config.txLifetime),
5056 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5057 ai->config.txDiversity == 1 ? "left" :
5058 ai->config.txDiversity == 2 ? "right" : "both",
5059 ai->config.rxDiversity == 1 ? "left" :
5060 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5061 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5062 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5063 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5064 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5065 ai->config.modulation == MOD_CCK ? "cck" :
5066 ai->config.modulation == MOD_MOK ? "mok" : "error",
5067 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5068 ai->config.preamble == PREAMBLE_LONG ? "long" :
5069 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5070 );
5071 data->readlen = strlen( data->rbuffer );
5072 return 0;
5073}
5074
0dd2212f
AV		 5075static void proc_SSID_on_close(struct inode *inode, struct file *file)
5076{
57674308 5077 struct proc_data *data = file->private_data;
d9dda78b 5078 struct net_device *dev = PDE_DATA(inode);
faf3994a 5079 struct airo_info *ai = dev->ml_priv;
1da177e4 5080 SsidRid SSID_rid;
1da177e4 5081 int i;
0dd2212f
AV		 5082 char *p = data->wbuffer;
5083 char *end = p + data->writelen;
1da177e4 5084
0dd2212f
AV		 5085 if (!data->writelen)
5086 return;
1da177e4 5087
0dd2212f 5088 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5089
0dd2212f
AV		 5090 memset(&SSID_rid, 0, sizeof(SSID_rid));
5091
5092 for (i = 0; i < 3 && p < end; i++) {
5093 int j = 0;
5094 /* copy up to 32 characters from this line */
5095 while (*p != '\n' && j < 32)
5096 SSID_rid.ssids[i].ssid[j++] = *p++;
5097 if (j == 0)
5098 break;
5099 SSID_rid.ssids[i].len = cpu_to_le16(j);
5100 /* skip to the beginning of the next line */
5101 while (*p++ != '\n')
5102 ;
1da177e4
LT		 5103 }
5104 if (i)
0dd2212f 5105 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5106 disable_MAC(ai, 1);
5107 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5108 enable_MAC(ai, 1);
1da177e4
LT		 5109}
5110
1da177e4 5111static void proc_APList_on_close( struct inode *inode, struct file *file ) {
57674308 5112 struct proc_data *data = file->private_data;
d9dda78b 5113 struct net_device *dev = PDE_DATA(inode);
faf3994a 5114 struct airo_info *ai = dev->ml_priv;
1da177e4 5115 APListRid APList_rid;
1da177e4
LT		 5116 int i;
5117
5118 if ( !data->writelen ) return;
5119
5120 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5121 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5122
5123 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5124 int j;
5125 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5126 switch(j%3) {
5127 case 0:
5128 APList_rid.ap[i][j/3]=
26355387 5129 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
1da177e4
LT		 5130 break;
5131 case 1:
5132 APList_rid.ap[i][j/3]|=
26355387 5133 hex_to_bin(data->wbuffer[j+i*6*3]);
1da177e4
LT		 5134 break;
5135 }
5136 }
5137 }
5138 disable_MAC(ai, 1);
5139 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5140 enable_MAC(ai, 1);
1da177e4
LT		 5141}
5142
5143/* This function wraps PC4500_writerid with a MAC disable */
5144static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5145 int len, int dummy ) {
5146 int rc;
1da177e4
LT		 5147
5148 disable_MAC(ai, 1);
5149 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5150 enable_MAC(ai, 1);
1da177e4
LT		 5151 return rc;
5152}
5153
c0380693
DW		 5154/* Returns the WEP key at the specified index, or -1 if that key does
5155 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5156 */
c0380693
DW		 5157static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5158{
1da177e4
LT		 5159 WepKeyRid wkr;
5160 int rc;
4293ea33 5161 __le16 lastindex;
1da177e4
LT		 5162
5163 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW		 5164 if (rc != SUCCESS)
5165 return -1;
5166 do {
1da177e4 5167 lastindex = wkr.kindex;
c0380693
DW		 5168 if (le16_to_cpu(wkr.kindex) == index) {
5169 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5170 memcpy(buf, wkr.key, klen);
5171 return klen;
1da177e4 5172 }
c0380693
DW		 5173 rc = readWepKeyRid(ai, &wkr, 0, 1);
5174 if (rc != SUCCESS)
5175 return -1;
4293ea33 5176 } while (lastindex != wkr.kindex);
1da177e4
LT		 5177 return -1;
5178}
5179
c0380693
DW		 5180static int get_wep_tx_idx(struct airo_info *ai)
5181{
5182 WepKeyRid wkr;
5183 int rc;
5184 __le16 lastindex;
5185
5186 rc = readWepKeyRid(ai, &wkr, 1, 1);
5187 if (rc != SUCCESS)
5188 return -1;
5189 do {
5190 lastindex = wkr.kindex;
5191 if (wkr.kindex == cpu_to_le16(0xffff))
5192 return wkr.mac[0];
5193 rc = readWepKeyRid(ai, &wkr, 0, 1);
5194 if (rc != SUCCESS)
5195 return -1;
5196 } while (lastindex != wkr.kindex);
5197 return -1;
5198}
5199
5200static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5201 u16 keylen, int perm, int lock)
4293ea33 5202{
1da177e4
LT		 5203 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5204 WepKeyRid wkr;
c0380693 5205 int rc;
1da177e4 5206
6510b891
SG		 5207 if (WARN_ON(keylen == 0))
5208 return -1;
1da177e4 5209
c0380693
DW		 5210 memset(&wkr, 0, sizeof(wkr));
5211 wkr.len = cpu_to_le16(sizeof(wkr));
5212 wkr.kindex = cpu_to_le16(index);
5213 wkr.klen = cpu_to_le16(keylen);
5214 memcpy(wkr.key, key, keylen);
5215 memcpy(wkr.mac, macaddr, ETH_ALEN);
5216
f89b2321 5217 if (perm) disable_MAC(ai, lock);
c0380693 5218 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5219 if (perm) enable_MAC(ai, lock);
c0380693
DW		 5220 return rc;
5221}
5222
5223static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5224{
5225 WepKeyRid wkr;
5226 int rc;
5227
5228 memset(&wkr, 0, sizeof(wkr));
5229 wkr.len = cpu_to_le16(sizeof(wkr));
5230 wkr.kindex = cpu_to_le16(0xffff);
5231 wkr.mac[0] = (char)index;
5232
5233 if (perm) {
5234 ai->defindex = (char)index;
5235 disable_MAC(ai, lock);
5236 }
5237
5238 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5239
5240 if (perm)
5241 enable_MAC(ai, lock);
5242 return rc;
1da177e4
LT		 5243}
5244
5245static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5246 struct proc_data *data;
d9dda78b 5247 struct net_device *dev = PDE_DATA(inode);
faf3994a 5248 struct airo_info *ai = dev->ml_priv;
c0380693 5249 int i, rc;
1da177e4
LT		 5250 char key[16];
5251 u16 index = 0;
5252 int j = 0;
5253
5254 memset(key, 0, sizeof(key));
5255
57674308 5256 data = file->private_data;
1da177e4
LT		 5257 if ( !data->writelen ) return;
5258
5259 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5260 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5261 index = data->wbuffer[0] - '0';
5262 if (data->wbuffer[1] == '\n') {
c0380693
DW		 5263 rc = set_wep_tx_idx(ai, index, 1, 1);
5264 if (rc < 0) {
5265 airo_print_err(ai->dev->name, "failed to set "
5266 "WEP transmit index to %d: %d.",
5267 index, rc);
5268 }
1da177e4
LT		 5269 return;
5270 }
5271 j = 2;
5272 } else {
934d8bf1 5273 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5274 return;
5275 }
5276
5277 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5278 switch(i%3) {
5279 case 0:
26355387 5280 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
1da177e4
LT		 5281 break;
5282 case 1:
26355387 5283 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
1da177e4
LT		 5284 break;
5285 }
5286 }
c0380693
DW		 5287
5288 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5289 if (rc < 0) {
5290 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5291 "%d: %d.", index, rc);
5292 }
1da177e4
LT		 5293}
5294
4293ea33
AV		 5295static int proc_wepkey_open( struct inode *inode, struct file *file )
5296{
1da177e4 5297 struct proc_data *data;
d9dda78b 5298 struct net_device *dev = PDE_DATA(inode);
faf3994a 5299 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5300 char *ptr;
5301 WepKeyRid wkr;
4293ea33 5302 __le16 lastindex;
1da177e4
LT		 5303 int j=0;
5304 int rc;
5305
b69a3aa8 5306 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5307 return -ENOMEM;
1da177e4 5308 memset(&wkr, 0, sizeof(wkr));
57674308 5309 data = file->private_data;
b69a3aa8 5310 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5311 kfree (file->private_data);
5312 return -ENOMEM;
5313 }
1da177e4
LT		 5314 data->writelen = 0;
5315 data->maxwritelen = 80;
b69a3aa8 5316 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5317 kfree (data->rbuffer);
5318 kfree (file->private_data);
5319 return -ENOMEM;
5320 }
1da177e4
LT		 5321 data->on_close = proc_wepkey_on_close;
5322
5323 ptr = data->rbuffer;
5324 strcpy(ptr, "No wep keys\n");
5325 rc = readWepKeyRid(ai, &wkr, 1, 1);
5326 if (rc == SUCCESS) do {
5327 lastindex = wkr.kindex;
4293ea33 5328 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5329 j += sprintf(ptr+j, "Tx key = %d\n",
5330 (int)wkr.mac[0]);
5331 } else {
5332 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5333 le16_to_cpu(wkr.kindex),
5334 le16_to_cpu(wkr.klen));
1da177e4
LT		 5335 }
5336 readWepKeyRid(ai, &wkr, 0, 1);
5337 } while((lastindex != wkr.kindex) && (j < 180-30));
5338
5339 data->readlen = strlen( data->rbuffer );
5340 return 0;
5341}
5342
0dd2212f
AV		 5343static int proc_SSID_open(struct inode *inode, struct file *file)
5344{
1da177e4 5345 struct proc_data *data;
d9dda78b 5346 struct net_device *dev = PDE_DATA(inode);
faf3994a 5347 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5348 int i;
5349 char *ptr;
5350 SsidRid SSID_rid;
5351
b69a3aa8 5352 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5353 return -ENOMEM;
57674308 5354 data = file->private_data;
1da177e4
LT		 5355 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5356 kfree (file->private_data);
5357 return -ENOMEM;
5358 }
5359 data->writelen = 0;
5360 data->maxwritelen = 33*3;
0dd2212f
AV		 5361 /* allocate maxwritelen + 1; we'll want a sentinel */
5362 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5363 kfree (data->rbuffer);
5364 kfree (file->private_data);
5365 return -ENOMEM;
5366 }
1da177e4
LT		 5367 data->on_close = proc_SSID_on_close;
5368
5369 readSsidRid(ai, &SSID_rid);
5370 ptr = data->rbuffer;
0dd2212f 5371 for (i = 0; i < 3; i++) {
1da177e4 5372 int j;
0dd2212f
AV		 5373 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5374 if (!len)
5375 break;
5376 if (len > 32)
5377 len = 32;
5378 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5379 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5380 *ptr++ = '\n';
5381 }
5382 *ptr = '\0';
5383 data->readlen = strlen( data->rbuffer );
5384 return 0;
5385}
5386
5387static int proc_APList_open( struct inode *inode, struct file *file ) {
5388 struct proc_data *data;
d9dda78b 5389 struct net_device *dev = PDE_DATA(inode);
faf3994a 5390 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5391 int i;
5392 char *ptr;
5393 APListRid APList_rid;
5394
b69a3aa8 5395 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5396 return -ENOMEM;
57674308 5397 data = file->private_data;
1da177e4
LT		 5398 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5399 kfree (file->private_data);
5400 return -ENOMEM;
5401 }
5402 data->writelen = 0;
5403 data->maxwritelen = 4*6*3;
b69a3aa8 5404 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5405 kfree (data->rbuffer);
5406 kfree (file->private_data);
5407 return -ENOMEM;
5408 }
1da177e4
LT		 5409 data->on_close = proc_APList_on_close;
5410
5411 readAPListRid(ai, &APList_rid);
5412 ptr = data->rbuffer;
5413 for( i = 0; i < 4; i++ ) {
5414// We end when we find a zero MAC
5415 if ( !*(int*)APList_rid.ap[i] &&
5416 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5417 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT		 5418 }
5419 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5420
5421 *ptr = '\0';
5422 data->readlen = strlen( data->rbuffer );
5423 return 0;
5424}
5425
5426static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5427 struct proc_data *data;
d9dda78b 5428 struct net_device *dev = PDE_DATA(inode);
faf3994a 5429 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5430 char *ptr;
5431 BSSListRid BSSList_rid;
5432 int rc;
5433 /* If doLoseSync is not 1, we won't do a Lose Sync */
5434 int doLoseSync = -1;
5435
b69a3aa8 5436 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5437 return -ENOMEM;
57674308 5438 data = file->private_data;
1da177e4
LT		 5439 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5440 kfree (file->private_data);
5441 return -ENOMEM;
5442 }
5443 data->writelen = 0;
5444 data->maxwritelen = 0;
5445 data->wbuffer = NULL;
5446 data->on_close = NULL;
5447
5448 if (file->f_mode & FMODE_WRITE) {
5449 if (!(file->f_mode & FMODE_READ)) {
5450 Cmd cmd;
5451 Resp rsp;
5452
5453 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5454 memset(&cmd, 0, sizeof(cmd));
5455 cmd.cmd=CMD_LISTBSS;
5456 if (down_interruptible(&ai->sem))
5457 return -ERESTARTSYS;
5458 issuecommand(ai, &cmd, &rsp);
5459 up(&ai->sem);
5460 data->readlen = 0;
5461 return 0;
5462 }
5463 doLoseSync = 1;
5464 }
5465 ptr = data->rbuffer;
5466 /* There is a race condition here if there are concurrent opens.
5467 Since it is a rare condition, we'll just live with it, otherwise
5468 we have to add a spin lock... */
5469 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5470 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB		 5471 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5472 BSSList_rid.bssid,
1da177e4
LT		 5473 (int)BSSList_rid.ssidLen,
5474 BSSList_rid.ssid,
17e70491 5475 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5476 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5477 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5478 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5479 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5480 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5481 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5482 rc = readBSSListRid(ai, 0, &BSSList_rid);
5483 }
5484 *ptr = '\0';
5485 data->readlen = strlen( data->rbuffer );
5486 return 0;
5487}
5488
5489static int proc_close( struct inode *inode, struct file *file )
5490{
b4558ea9
JJ		 5491 struct proc_data *data = file->private_data;
5492
5493 if (data->on_close != NULL)
5494 data->on_close(inode, file);
5495 kfree(data->rbuffer);
5496 kfree(data->wbuffer);
5497 kfree(data);
1da177e4
LT		 5498 return 0;
5499}
5500
1da177e4
LT		 5501/* Since the card doesn't automatically switch to the right WEP mode,
5502 we will make it do it. If the card isn't associated, every secs we
5503 will switch WEP modes to see if that will help. If the card is
5504 associated we will check every minute to see if anything has
5505 changed. */
5506static void timer_func( struct net_device *dev ) {
faf3994a 5507 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 5508
5509/* We don't have a link so try changing the authtype */
5510 readConfigRid(apriv, 0);
5511 disable_MAC(apriv, 0);
5512 switch(apriv->config.authType) {
5513 case AUTH_ENCRYPT:
5514/* So drop to OPEN */
5515 apriv->config.authType = AUTH_OPEN;
5516 break;
5517 case AUTH_SHAREDKEY:
5518 if (apriv->keyindex < auto_wep) {
c0380693 5519 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT		 5520 apriv->config.authType = AUTH_SHAREDKEY;
5521 apriv->keyindex++;
5522 } else {
5523 /* Drop to ENCRYPT */
5524 apriv->keyindex = 0;
c0380693 5525 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT		 5526 apriv->config.authType = AUTH_ENCRYPT;
5527 }
5528 break;
5529 default: /* We'll escalate to SHAREDKEY */
5530 apriv->config.authType = AUTH_SHAREDKEY;
5531 }
5532 set_bit (FLAG_COMMIT, &apriv->flags);
5533 writeConfigRid(apriv, 0);
175ec1a1 5534 enable_MAC(apriv, 0);
1da177e4
LT		 5535 up(&apriv->sem);
5536
5537/* Schedule check to see if the change worked */
3c304956 5538 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5539 apriv->expires = RUN_AT(HZ*3);
5540}
5541
1da177e4 5542#ifdef CONFIG_PCI
04bfffb8 5543static int airo_pci_probe(struct pci_dev *pdev,
1da177e4
LT		 5544 const struct pci_device_id *pent)
5545{
5546 struct net_device *dev;
5547
5548 if (pci_enable_device(pdev))
5549 return -ENODEV;
5550 pci_set_master(pdev);
5551
5552 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5553 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5554 else
5555 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5556 if (!dev) {
5557 pci_disable_device(pdev);
1da177e4 5558 return -ENODEV;
777ec5e9 5559 }
1da177e4
LT		 5560
5561 pci_set_drvdata(pdev, dev);
5562 return 0;
5563}
5564
04bfffb8 5565static void airo_pci_remove(struct pci_dev *pdev)
1da177e4 5566{
af5b5c9a
MS		 5567 struct net_device *dev = pci_get_drvdata(pdev);
5568
5569 airo_print_info(dev->name, "Unregistering...");
5570 stop_airo_card(dev, 1);
777ec5e9
MS		 5571 pci_disable_device(pdev);
5572 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5573}
5574
05adc3b7 5575static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5576{
5577 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5578 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5579 Cmd cmd;
5580 Resp rsp;
5581
e292c737
PM		 5582 if (!ai->APList)
5583 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5584 if (!ai->APList)
1da177e4 5585 return -ENOMEM;
e292c737
PM		 5586 if (!ai->SSID)
5587 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5588 if (!ai->SSID)
1da177e4
LT		 5589 return -ENOMEM;
5590 readAPListRid(ai, ai->APList);
5591 readSsidRid(ai, ai->SSID);
5592 memset(&cmd, 0, sizeof(cmd));
5593 /* the lock will be released at the end of the resume callback */
5594 if (down_interruptible(&ai->sem))
5595 return -EAGAIN;
5596 disable_MAC(ai, 0);
5597 netif_device_detach(dev);
5598 ai->power = state;
e292c737 5599 cmd.cmd = HOSTSLEEP;
1da177e4
LT		 5600 issuecommand(ai, &cmd, &rsp);
5601
1cc68ae0 5602 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5603 pci_save_state(pdev);
40b93ad6 5604 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5605 return 0;
1da177e4
LT		 5606}
5607
5608static int airo_pci_resume(struct pci_dev *pdev)
5609{
5610 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5611 struct airo_info *ai = dev->ml_priv;
53232803 5612 pci_power_t prev_state = pdev->current_state;
1da177e4 5613
53232803 5614 pci_set_power_state(pdev, PCI_D0);
1da177e4 5615 pci_restore_state(pdev);
53232803 5616 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5617
53232803 5618 if (prev_state != PCI_D1) {
1da177e4
LT		 5619 reset_card(dev, 0);
5620 mpi_init_descriptors(ai);
5621 setup_card(ai, dev->dev_addr, 0);
5622 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5623 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5624 } else {
5625 OUT4500(ai, EVACK, EV_AWAKEN);
5626 OUT4500(ai, EVACK, EV_AWAKEN);
5627 msleep(100);
5628 }
5629
e292c737 5630 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT		 5631 disable_MAC(ai, 0);
5632 msleep(200);
5633 if (ai->SSID) {
5634 writeSsidRid(ai, ai->SSID, 0);
5635 kfree(ai->SSID);
5636 ai->SSID = NULL;
5637 }
5638 if (ai->APList) {
5639 writeAPListRid(ai, ai->APList, 0);
5640 kfree(ai->APList);
5641 ai->APList = NULL;
5642 }
5643 writeConfigRid(ai, 0);
175ec1a1 5644 enable_MAC(ai, 0);
1cc68ae0 5645 ai->power = PMSG_ON;
1da177e4
LT		 5646 netif_device_attach(dev);
5647 netif_wake_queue(dev);
5648 enable_interrupts(ai);
5649 up(&ai->sem);
5650 return 0;
5651}
5652#endif
5653
5654static int __init airo_init_module( void )
5655{
de897881 5656 int i;
1da177e4 5657
1efa29cd
EB		 5658 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5659 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5660 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5661 return -EINVAL;
5662
011159a0 5663 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
de897881 5664
271a15ea
DH		 5665 if (airo_entry)
5666 proc_set_user(airo_entry, proc_kuid, proc_kgid);
1da177e4 5667
e292c737 5668 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW		 5669 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5670 "io=0x%x", irq[i], io[i] );
1da177e4 5671 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5672 /* do nothing */ ;
1da177e4
LT		 5673 }
5674
5675#ifdef CONFIG_PCI
934d8bf1 5676 airo_print_info("", "Probing for PCI adapters");
de897881 5677 i = pci_register_driver(&airo_driver);
934d8bf1 5678 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5679
5680 if (i) {
928b4d8c 5681 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5682 return i;
5683 }
1da177e4
LT		 5684#endif
5685
5686 /* Always exit with success, as we are a library module
5687 * as well as a driver module
5688 */
5689 return 0;
5690}
5691
5692static void __exit airo_cleanup_module( void )
5693{
af5b5c9a
MS		 5694 struct airo_info *ai;
5695 while(!list_empty(&airo_devices)) {
5696 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5697 airo_print_info(ai->dev->name, "Unregistering...");
5698 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5699 }
5700#ifdef CONFIG_PCI
5701 pci_unregister_driver(&airo_driver);
5702#endif
928b4d8c 5703 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5704}
5705
1da177e4
LT		 5706/*
5707 * Initial Wireless Extension code for Aironet driver by :
5708 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5709 * Conversion to new driver API by :
5710 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5711 * Javier also did a good amount of work here, adding some new extensions
5712 * and fixing my code. Let's just say that without him this code just
5713 * would not work at all... - Jean II
5714 */
5715
41480af2
DW		 5716static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5717{
e292c737 5718 if (!rssi_rid)
41480af2
DW		 5719 return 0;
5720
5721 return (0x100 - rssi_rid[rssi].rssidBm);
5722}
5723
5724static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5725{
5726 int i;
5727
e292c737 5728 if (!rssi_rid)
41480af2
DW		 5729 return 0;
5730
e292c737 5731 for (i = 0; i < 256; i++)
41480af2
DW		 5732 if (rssi_rid[i].rssidBm == dbm)
5733 return rssi_rid[i].rssipct;
5734
5735 return 0;
5736}
5737
5738
1da177e4
LT		 5739static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5740{
5741 int quality = 0;
329e2c00 5742 u16 sq;
1da177e4 5743
329e2c00 5744 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5745 return 0;
5746
5747 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5748 return 0;
5749
329e2c00 5750 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5751 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5752 if (sq > 0x20)
56d81bd3 5753 quality = 0;
1da177e4 5754 else
329e2c00 5755 quality = 0x20 - sq;
56d81bd3 5756 else
329e2c00 5757 if (sq > 0xb0)
56d81bd3 5758 quality = 0;
329e2c00 5759 else if (sq < 0x10)
56d81bd3
AV		 5760 quality = 0xa0;
5761 else
329e2c00 5762 quality = 0xb0 - sq;
1da177e4
LT		 5763 return quality;
5764}
5765
5766#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5767#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5768
5769/*------------------------------------------------------------------*/
5770/*
5771 * Wireless Handler : get protocol name
5772 */
5773static int airo_get_name(struct net_device *dev,
5774 struct iw_request_info *info,
5775 char *cwrq,
5776 char *extra)
5777{
5778 strcpy(cwrq, "IEEE 802.11-DS");
5779 return 0;
5780}
5781
5782/*------------------------------------------------------------------*/
5783/*
5784 * Wireless Handler : set frequency
5785 */
5786static int airo_set_freq(struct net_device *dev,
5787 struct iw_request_info *info,
5788 struct iw_freq *fwrq,
5789 char *extra)
5790{
faf3994a 5791 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5792 int rc = -EINPROGRESS; /* Call commit handler */
5793
5794 /* If setting by frequency, convert to a channel */
9ee677c2 5795 if(fwrq->e == 1) {
1da177e4 5796 int f = fwrq->m / 100000;
9ee677c2 5797
1da177e4
LT		 5798 /* Hack to fall through... */
5799 fwrq->e = 0;
9ee677c2 5800 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT		 5801 }
5802 /* Setting by channel number */
5803 if((fwrq->m > 1000) || (fwrq->e > 0))
5804 rc = -EOPNOTSUPP;
5805 else {
5806 int channel = fwrq->m;
5807 /* We should do a better check than that,
5808 * based on the card capability !!! */
2610c733 5809 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5810 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5811 fwrq->m);
1da177e4
LT		 5812 rc = -EINVAL;
5813 } else {
5814 readConfigRid(local, 1);
5815 /* Yes ! We can set it !!! */
3eb9b41f 5816 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5817 set_bit (FLAG_COMMIT, &local->flags);
5818 }
5819 }
5820 return rc;
5821}
5822
5823/*------------------------------------------------------------------*/
5824/*
5825 * Wireless Handler : get frequency
5826 */
5827static int airo_get_freq(struct net_device *dev,
5828 struct iw_request_info *info,
5829 struct iw_freq *fwrq,
5830 char *extra)
5831{
faf3994a 5832 struct airo_info *local = dev->ml_priv;
1da177e4 5833 StatusRid status_rid; /* Card status info */
2610c733 5834 int ch;
1da177e4
LT		 5835
5836 readConfigRid(local, 1);
3eb9b41f
AV		 5837 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5838 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5839 else
5840 readStatusRid(local, &status_rid, 1);
5841
329e2c00 5842 ch = le16_to_cpu(status_rid.channel);
2610c733 5843 if((ch > 0) && (ch < 15)) {
9ee677c2 5844 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5845 fwrq->e = 1;
2610c733
JA		 5846 } else {
5847 fwrq->m = ch;
5848 fwrq->e = 0;
1da177e4 5849 }
1da177e4
LT		 5850
5851 return 0;
5852}
5853
5854/*------------------------------------------------------------------*/
5855/*
5856 * Wireless Handler : set ESSID
5857 */
5858static int airo_set_essid(struct net_device *dev,
5859 struct iw_request_info *info,
5860 struct iw_point *dwrq,
5861 char *extra)
5862{
faf3994a 5863 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5864 SsidRid SSID_rid; /* SSIDs */
5865
5866 /* Reload the list of current SSID */
5867 readSsidRid(local, &SSID_rid);
5868
5869 /* Check if we asked for `any' */
3d0ccd02 5870 if (dwrq->flags == 0) {
1da177e4
LT		 5871 /* Just send an empty SSID list */
5872 memset(&SSID_rid, 0, sizeof(SSID_rid));
5873 } else {
3d0ccd02 5874 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1da177e4
LT		 5875
5876 /* Check the size of the string */
3d0ccd02 5877 if (dwrq->length > IW_ESSID_MAX_SIZE)
1da177e4 5878 return -E2BIG ;
3d0ccd02 5879
1da177e4 5880 /* Check if index is valid */
3d0ccd02 5881 if (index >= ARRAY_SIZE(SSID_rid.ssids))
1da177e4 5882 return -EINVAL;
1da177e4
LT		 5883
5884 /* Set the SSID */
5885 memset(SSID_rid.ssids[index].ssid, 0,
5886 sizeof(SSID_rid.ssids[index].ssid));
5887 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5888 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5889 }
0dd2212f 5890 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5891 /* Write it to the card */
5892 disable_MAC(local, 1);
5893 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5894 enable_MAC(local, 1);
1da177e4
LT		 5895
5896 return 0;
5897}
5898
5899/*------------------------------------------------------------------*/
5900/*
5901 * Wireless Handler : get ESSID
5902 */
5903static int airo_get_essid(struct net_device *dev,
5904 struct iw_request_info *info,
5905 struct iw_point *dwrq,
5906 char *extra)
5907{
faf3994a 5908 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5909 StatusRid status_rid; /* Card status info */
5910
5911 readStatusRid(local, &status_rid, 1);
5912
5913 /* Note : if dwrq->flags != 0, we should
5914 * get the relevant SSID from the SSID list... */
5915
5916 /* Get the current SSID */
329e2c00 5917 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5918 /* If none, we may want to get the one that was set */
5919
5920 /* Push it out ! */
329e2c00 5921 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5922 dwrq->flags = 1; /* active */
5923
5924 return 0;
5925}
5926
5927/*------------------------------------------------------------------*/
5928/*
5929 * Wireless Handler : set AP address
5930 */
5931static int airo_set_wap(struct net_device *dev,
5932 struct iw_request_info *info,
5933 struct sockaddr *awrq,
5934 char *extra)
5935{
faf3994a 5936 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5937 Cmd cmd;
5938 Resp rsp;
5939 APListRid APList_rid;
1da177e4
LT		 5940
5941 if (awrq->sa_family != ARPHRD_ETHER)
5942 return -EINVAL;
0d1c6d1c
WY		 5943 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5944 is_zero_ether_addr(awrq->sa_data)) {
1da177e4
LT		 5945 memset(&cmd, 0, sizeof(cmd));
5946 cmd.cmd=CMD_LOSE_SYNC;
5947 if (down_interruptible(&local->sem))
5948 return -ERESTARTSYS;
5949 issuecommand(local, &cmd, &rsp);
5950 up(&local->sem);
5951 } else {
5952 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5953 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5954 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5955 disable_MAC(local, 1);
5956 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5957 enable_MAC(local, 1);
1da177e4
LT		 5958 }
5959 return 0;
5960}
5961
5962/*------------------------------------------------------------------*/
5963/*
5964 * Wireless Handler : get AP address
5965 */
5966static int airo_get_wap(struct net_device *dev,
5967 struct iw_request_info *info,
5968 struct sockaddr *awrq,
5969 char *extra)
5970{
faf3994a 5971 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5972 StatusRid status_rid; /* Card status info */
5973
5974 readStatusRid(local, &status_rid, 1);
5975
5976 /* Tentative. This seems to work, wow, I'm lucky !!! */
5977 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5978 awrq->sa_family = ARPHRD_ETHER;
5979
5980 return 0;
5981}
5982
5983/*------------------------------------------------------------------*/
5984/*
5985 * Wireless Handler : set Nickname
5986 */
5987static int airo_set_nick(struct net_device *dev,
5988 struct iw_request_info *info,
5989 struct iw_point *dwrq,
5990 char *extra)
5991{
faf3994a 5992 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5993
5994 /* Check the size of the string */
7f8544cc 5995 if(dwrq->length > 16) {
1da177e4
LT		 5996 return -E2BIG;
5997 }
5998 readConfigRid(local, 1);
5999 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6000 memcpy(local->config.nodeName, extra, dwrq->length);
6001 set_bit (FLAG_COMMIT, &local->flags);
6002
6003 return -EINPROGRESS; /* Call commit handler */
6004}
6005
6006/*------------------------------------------------------------------*/
6007/*
6008 * Wireless Handler : get Nickname
6009 */
6010static int airo_get_nick(struct net_device *dev,
6011 struct iw_request_info *info,
6012 struct iw_point *dwrq,
6013 char *extra)
6014{
faf3994a 6015 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6016
6017 readConfigRid(local, 1);
6018 strncpy(extra, local->config.nodeName, 16);
6019 extra[16] = '\0';
7f8544cc 6020 dwrq->length = strlen(extra);
1da177e4
LT		 6021
6022 return 0;
6023}
6024
6025/*------------------------------------------------------------------*/
6026/*
6027 * Wireless Handler : set Bit-Rate
6028 */
6029static int airo_set_rate(struct net_device *dev,
6030 struct iw_request_info *info,
6031 struct iw_param *vwrq,
6032 char *extra)
6033{
faf3994a 6034 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6035 CapabilityRid cap_rid; /* Card capability info */
6036 u8 brate = 0;
6037 int i;
6038
6039 /* First : get a valid bit rate value */
6040 readCapabilityRid(local, &cap_rid, 1);
6041
6042 /* Which type of value ? */
6043 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6044 /* Setting by rate index */
6045 /* Find value in the magic rate table */
6046 brate = cap_rid.supportedRates[vwrq->value];
6047 } else {
6048 /* Setting by frequency value */
6049 u8 normvalue = (u8) (vwrq->value/500000);
6050
6051 /* Check if rate is valid */
6052 for(i = 0 ; i < 8 ; i++) {
6053 if(normvalue == cap_rid.supportedRates[i]) {
6054 brate = normvalue;
6055 break;
6056 }
6057 }
6058 }
6059 /* -1 designed the max rate (mostly auto mode) */
6060 if(vwrq->value == -1) {
6061 /* Get the highest available rate */
6062 for(i = 0 ; i < 8 ; i++) {
6063 if(cap_rid.supportedRates[i] == 0)
6064 break;
6065 }
6066 if(i != 0)
6067 brate = cap_rid.supportedRates[i - 1];
6068 }
6069 /* Check that it is valid */
6070 if(brate == 0) {
6071 return -EINVAL;
6072 }
6073
6074 readConfigRid(local, 1);
6075 /* Now, check if we want a fixed or auto value */
6076 if(vwrq->fixed == 0) {
6077 /* Fill all the rates up to this max rate */
6078 memset(local->config.rates, 0, 8);
6079 for(i = 0 ; i < 8 ; i++) {
6080 local->config.rates[i] = cap_rid.supportedRates[i];
6081 if(local->config.rates[i] == brate)
6082 break;
6083 }
6084 } else {
6085 /* Fixed mode */
6086 /* One rate, fixed */
6087 memset(local->config.rates, 0, 8);
6088 local->config.rates[0] = brate;
6089 }
6090 set_bit (FLAG_COMMIT, &local->flags);
6091
6092 return -EINPROGRESS; /* Call commit handler */
6093}
6094
6095/*------------------------------------------------------------------*/
6096/*
6097 * Wireless Handler : get Bit-Rate
6098 */
6099static int airo_get_rate(struct net_device *dev,
6100 struct iw_request_info *info,
6101 struct iw_param *vwrq,
6102 char *extra)
6103{
faf3994a 6104 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6105 StatusRid status_rid; /* Card status info */
6106
6107 readStatusRid(local, &status_rid, 1);
6108
329e2c00 6109 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6110 /* If more than one rate, set auto */
6111 readConfigRid(local, 1);
6112 vwrq->fixed = (local->config.rates[1] == 0);
6113
6114 return 0;
6115}
6116
6117/*------------------------------------------------------------------*/
6118/*
6119 * Wireless Handler : set RTS threshold
6120 */
6121static int airo_set_rts(struct net_device *dev,
6122 struct iw_request_info *info,
6123 struct iw_param *vwrq,
6124 char *extra)
6125{
faf3994a 6126 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6127 int rthr = vwrq->value;
6128
6129 if(vwrq->disabled)
15db2763
DW		 6130 rthr = AIRO_DEF_MTU;
6131 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6132 return -EINVAL;
6133 }
6134 readConfigRid(local, 1);
3eb9b41f 6135 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6136 set_bit (FLAG_COMMIT, &local->flags);
6137
6138 return -EINPROGRESS; /* Call commit handler */
6139}
6140
6141/*------------------------------------------------------------------*/
6142/*
6143 * Wireless Handler : get RTS threshold
6144 */
6145static int airo_get_rts(struct net_device *dev,
6146 struct iw_request_info *info,
6147 struct iw_param *vwrq,
6148 char *extra)
6149{
faf3994a 6150 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6151
6152 readConfigRid(local, 1);
3eb9b41f 6153 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6154 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6155 vwrq->fixed = 1;
6156
6157 return 0;
6158}
6159
6160/*------------------------------------------------------------------*/
6161/*
6162 * Wireless Handler : set Fragmentation threshold
6163 */
6164static int airo_set_frag(struct net_device *dev,
6165 struct iw_request_info *info,
6166 struct iw_param *vwrq,
6167 char *extra)
6168{
faf3994a 6169 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6170 int fthr = vwrq->value;
6171
6172 if(vwrq->disabled)
15db2763
DW		 6173 fthr = AIRO_DEF_MTU;
6174 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6175 return -EINVAL;
6176 }
6177 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6178 readConfigRid(local, 1);
3eb9b41f 6179 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6180 set_bit (FLAG_COMMIT, &local->flags);
6181
6182 return -EINPROGRESS; /* Call commit handler */
6183}
6184
6185/*------------------------------------------------------------------*/
6186/*
6187 * Wireless Handler : get Fragmentation threshold
6188 */
6189static int airo_get_frag(struct net_device *dev,
6190 struct iw_request_info *info,
6191 struct iw_param *vwrq,
6192 char *extra)
6193{
faf3994a 6194 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6195
6196 readConfigRid(local, 1);
3eb9b41f 6197 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6198 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6199 vwrq->fixed = 1;
6200
6201 return 0;
6202}
6203
6204/*------------------------------------------------------------------*/
6205/*
6206 * Wireless Handler : set Mode of Operation
6207 */
6208static int airo_set_mode(struct net_device *dev,
6209 struct iw_request_info *info,
6210 __u32 *uwrq,
6211 char *extra)
6212{
faf3994a 6213 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6214 int reset = 0;
6215
6216 readConfigRid(local, 1);
3eb9b41f 6217 if (sniffing_mode(local))
1da177e4
LT		 6218 reset = 1;
6219
6220 switch(*uwrq) {
6221 case IW_MODE_ADHOC:
3eb9b41f 6222 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6223 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6224 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6225 local->config.scanMode = SCANMODE_ACTIVE;
6226 clear_bit (FLAG_802_11, &local->flags);
6227 break;
6228 case IW_MODE_INFRA:
3eb9b41f 6229 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6230 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6231 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6234 break;
6235 case IW_MODE_MASTER:
3eb9b41f 6236 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6237 local->config.opmode |= MODE_AP;
3eb9b41f 6238 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6241 break;
6242 case IW_MODE_REPEAT:
3eb9b41f 6243 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6244 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6245 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6246 local->config.scanMode = SCANMODE_ACTIVE;
6247 clear_bit (FLAG_802_11, &local->flags);
6248 break;
6249 case IW_MODE_MONITOR:
3eb9b41f 6250 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6251 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6252 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6253 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6254 local->config.scanMode = SCANMODE_PASSIVE;
6255 set_bit (FLAG_802_11, &local->flags);
6256 break;
6257 default:
6258 return -EINVAL;
6259 }
6260 if (reset)
6261 set_bit (FLAG_RESET, &local->flags);
6262 set_bit (FLAG_COMMIT, &local->flags);
6263
6264 return -EINPROGRESS; /* Call commit handler */
6265}
6266
6267/*------------------------------------------------------------------*/
6268/*
6269 * Wireless Handler : get Mode of Operation
6270 */
6271static int airo_get_mode(struct net_device *dev,
6272 struct iw_request_info *info,
6273 __u32 *uwrq,
6274 char *extra)
6275{
faf3994a 6276 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6277
6278 readConfigRid(local, 1);
6279 /* If not managed, assume it's ad-hoc */
3eb9b41f 6280 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6281 case MODE_STA_ESS:
6282 *uwrq = IW_MODE_INFRA;
6283 break;
6284 case MODE_AP:
6285 *uwrq = IW_MODE_MASTER;
6286 break;
6287 case MODE_AP_RPTR:
6288 *uwrq = IW_MODE_REPEAT;
6289 break;
6290 default:
6291 *uwrq = IW_MODE_ADHOC;
6292 }
6293
6294 return 0;
6295}
6296
138c0c68 6297static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6298{
138c0c68 6299 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV		 6300}
6301
1da177e4
LT		 6302/*------------------------------------------------------------------*/
6303/*
6304 * Wireless Handler : set Encryption Key
6305 */
6306static int airo_set_encode(struct net_device *dev,
6307 struct iw_request_info *info,
6308 struct iw_point *dwrq,
6309 char *extra)
6310{
faf3994a 6311 struct airo_info *local = dev->ml_priv;
c0380693 6312 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6313 __le16 currentAuthType = local->config.authType;
c0380693 6314 int rc = 0;
1da177e4 6315
138c0c68 6316 if (!local->wep_capable)
1da177e4 6317 return -EOPNOTSUPP;
138c0c68 6318
1da177e4
LT		 6319 readConfigRid(local, 1);
6320
6321 /* Basic checking: do we have a key to set ?
6322 * Note : with the new API, it's impossible to get a NULL pointer.
6323 * Therefore, we need to check a key size == 0 instead.
6324 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6325 * when no key is present (only change flags), but older versions
6326 * don't do it. - Jean II */
6327 if (dwrq->length > 0) {
6328 wep_key_t key;
6329 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6330 int current_index;
138c0c68 6331
1da177e4
LT		 6332 /* Check the size of the key */
6333 if (dwrq->length > MAX_KEY_SIZE) {
6334 return -EINVAL;
6335 }
138c0c68 6336
c0380693
DW		 6337 current_index = get_wep_tx_idx(local);
6338 if (current_index < 0)
6339 current_index = 0;
6340
1da177e4 6341 /* Check the index (none -> use current) */
138c0c68 6342 if (!valid_index(local, index))
1da177e4 6343 index = current_index;
138c0c68 6344
1da177e4
LT		 6345 /* Set the length */
6346 if (dwrq->length > MIN_KEY_SIZE)
6347 key.len = MAX_KEY_SIZE;
6348 else
f09c2563 6349 key.len = MIN_KEY_SIZE;
1da177e4
LT		 6350 /* Check if the key is not marked as invalid */
6351 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6352 /* Cleanup */
6353 memset(key.key, 0, MAX_KEY_SIZE);
6354 /* Copy the key in the driver */
6355 memcpy(key.key, extra, dwrq->length);
6356 /* Send the key to the card */
c0380693
DW		 6357 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6358 if (rc < 0) {
6359 airo_print_err(local->dev->name, "failed to set"
6360 " WEP key at index %d: %d.",
6361 index, rc);
6362 return rc;
6363 }
1da177e4
LT		 6364 }
6365 /* WE specify that if a valid key is set, encryption
6366 * should be enabled (user may turn it off later)
6367 * This is also how "iwconfig ethX key on" works */
6368 if((index == current_index) && (key.len > 0) &&
6369 (local->config.authType == AUTH_OPEN)) {
6370 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6371 }
6372 } else {
6373 /* Do we want to just set the transmit key index ? */
6374 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW		 6375 if (valid_index(local, index)) {
6376 rc = set_wep_tx_idx(local, index, perm, 1);
6377 if (rc < 0) {
6378 airo_print_err(local->dev->name, "failed to set"
6379 " WEP transmit index to %d: %d.",
6380 index, rc);
6381 return rc;
6382 }
6383 } else {
1da177e4 6384 /* Don't complain if only change the mode */
93a3b607 6385 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6386 return -EINVAL;
138c0c68 6387 }
1da177e4
LT		 6388 }
6389 /* Read the flags */
6390 if(dwrq->flags & IW_ENCODE_DISABLED)
6391 local->config.authType = AUTH_OPEN; // disable encryption
6392 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6393 local->config.authType = AUTH_SHAREDKEY; // Only Both
6394 if(dwrq->flags & IW_ENCODE_OPEN)
6395 local->config.authType = AUTH_ENCRYPT; // Only Wep
6396 /* Commit the changes to flags if needed */
f89b2321 6397 if (local->config.authType != currentAuthType)
1da177e4
LT		 6398 set_bit (FLAG_COMMIT, &local->flags);
6399 return -EINPROGRESS; /* Call commit handler */
6400}
6401
6402/*------------------------------------------------------------------*/
6403/*
6404 * Wireless Handler : get Encryption Key
6405 */
6406static int airo_get_encode(struct net_device *dev,
6407 struct iw_request_info *info,
6408 struct iw_point *dwrq,
6409 char *extra)
6410{
faf3994a 6411 struct airo_info *local = dev->ml_priv;
1da177e4 6412 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
267d493b 6413 int wep_key_len;
c0380693 6414 u8 buf[16];
1da177e4 6415
138c0c68 6416 if (!local->wep_capable)
1da177e4 6417 return -EOPNOTSUPP;
138c0c68 6418
1da177e4 6419 readConfigRid(local, 1);
138c0c68 6420
1da177e4
LT		 6421 /* Check encryption mode */
6422 switch(local->config.authType) {
6423 case AUTH_ENCRYPT:
6424 dwrq->flags = IW_ENCODE_OPEN;
6425 break;
6426 case AUTH_SHAREDKEY:
6427 dwrq->flags = IW_ENCODE_RESTRICTED;
6428 break;
6429 default:
6430 case AUTH_OPEN:
6431 dwrq->flags = IW_ENCODE_DISABLED;
6432 break;
6433 }
6434 /* We can't return the key, so set the proper flag and return zero */
6435 dwrq->flags |= IW_ENCODE_NOKEY;
6436 memset(extra, 0, 16);
6437
6438 /* Which key do we want ? -1 -> tx index */
c0380693
DW		 6439 if (!valid_index(local, index)) {
6440 index = get_wep_tx_idx(local);
6441 if (index < 0)
6442 index = 0;
6443 }
1da177e4 6444 dwrq->flags |= index + 1;
c0380693 6445
1da177e4 6446 /* Copy the key to the user buffer */
267d493b
JL		 6447 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6448 if (wep_key_len < 0) {
aedec922 6449 dwrq->length = 0;
267d493b
JL		 6450 } else {
6451 dwrq->length = wep_key_len;
6452 memcpy(extra, buf, dwrq->length);
6453 }
c0380693 6454
1da177e4
LT		 6455 return 0;
6456}
6457
4be757dd
DW		 6458/*------------------------------------------------------------------*/
6459/*
6460 * Wireless Handler : set extended Encryption parameters
6461 */
6462static int airo_set_encodeext(struct net_device *dev,
6463 struct iw_request_info *info,
6464 union iwreq_data *wrqu,
6465 char *extra)
6466{
faf3994a 6467 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6468 struct iw_point *encoding = &wrqu->encoding;
6469 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6470 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6471 __le16 currentAuthType = local->config.authType;
c0380693 6472 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW		 6473 wep_key_t key;
6474
138c0c68 6475 if (!local->wep_capable)
4be757dd 6476 return -EOPNOTSUPP;
138c0c68 6477
4be757dd
DW		 6478 readConfigRid(local, 1);
6479
6480 /* Determine and validate the key index */
6481 idx = encoding->flags & IW_ENCODE_INDEX;
6482 if (idx) {
138c0c68 6483 if (!valid_index(local, idx - 1))
4be757dd
DW		 6484 return -EINVAL;
6485 idx--;
c0380693
DW		 6486 } else {
6487 idx = get_wep_tx_idx(local);
6488 if (idx < 0)
6489 idx = 0;
6490 }
4be757dd
DW		 6491
6492 if (encoding->flags & IW_ENCODE_DISABLED)
6493 alg = IW_ENCODE_ALG_NONE;
6494
4be757dd 6495 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6496 /* Only set transmit key index here, actual
6497 * key is set below if needed.
6498 */
c0380693
DW		 6499 rc = set_wep_tx_idx(local, idx, perm, 1);
6500 if (rc < 0) {
6501 airo_print_err(local->dev->name, "failed to set "
6502 "WEP transmit index to %d: %d.",
6503 idx, rc);
6504 return rc;
6505 }
22d8846e
DW		 6506 set_key = ext->key_len > 0 ? 1 : 0;
6507 }
6508
6509 if (set_key) {
4be757dd
DW		 6510 /* Set the requested key first */
6511 memset(key.key, 0, MAX_KEY_SIZE);
6512 switch (alg) {
6513 case IW_ENCODE_ALG_NONE:
6514 key.len = 0;
6515 break;
6516 case IW_ENCODE_ALG_WEP:
6517 if (ext->key_len > MIN_KEY_SIZE) {
6518 key.len = MAX_KEY_SIZE;
6519 } else if (ext->key_len > 0) {
6520 key.len = MIN_KEY_SIZE;
6521 } else {
6522 return -EINVAL;
6523 }
6524 key_len = min (ext->key_len, key.len);
6525 memcpy(key.key, ext->key, key_len);
6526 break;
6527 default:
6528 return -EINVAL;
6529 }
f09c2563
SG		 6530 if (key.len == 0) {
6531 rc = set_wep_tx_idx(local, idx, perm, 1);
6532 if (rc < 0) {
6533 airo_print_err(local->dev->name,
6534 "failed to set WEP transmit index to %d: %d.",
6535 idx, rc);
6536 return rc;
6537 }
6538 } else {
6539 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6540 if (rc < 0) {
6541 airo_print_err(local->dev->name,
6542 "failed to set WEP key at index %d: %d.",
6543 idx, rc);
6544 return rc;
6545 }
c0380693 6546 }
4be757dd
DW		 6547 }
6548
6549 /* Read the flags */
6550 if(encoding->flags & IW_ENCODE_DISABLED)
6551 local->config.authType = AUTH_OPEN; // disable encryption
6552 if(encoding->flags & IW_ENCODE_RESTRICTED)
6553 local->config.authType = AUTH_SHAREDKEY; // Only Both
6554 if(encoding->flags & IW_ENCODE_OPEN)
6555 local->config.authType = AUTH_ENCRYPT; // Only Wep
6556 /* Commit the changes to flags if needed */
6557 if (local->config.authType != currentAuthType)
6558 set_bit (FLAG_COMMIT, &local->flags);
6559
6560 return -EINPROGRESS;
6561}
6562
6563
6564/*------------------------------------------------------------------*/
6565/*
6566 * Wireless Handler : get extended Encryption parameters
6567 */
6568static int airo_get_encodeext(struct net_device *dev,
6569 struct iw_request_info *info,
6570 union iwreq_data *wrqu,
6571 char *extra)
6572{
faf3994a 6573 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6574 struct iw_point *encoding = &wrqu->encoding;
6575 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
267d493b 6576 int idx, max_key_len, wep_key_len;
c0380693 6577 u8 buf[16];
4be757dd 6578
138c0c68 6579 if (!local->wep_capable)
4be757dd 6580 return -EOPNOTSUPP;
138c0c68 6581
4be757dd
DW		 6582 readConfigRid(local, 1);
6583
6584 max_key_len = encoding->length - sizeof(*ext);
6585 if (max_key_len < 0)
6586 return -EINVAL;
6587
6588 idx = encoding->flags & IW_ENCODE_INDEX;
6589 if (idx) {
138c0c68 6590 if (!valid_index(local, idx - 1))
4be757dd
DW		 6591 return -EINVAL;
6592 idx--;
c0380693
DW		 6593 } else {
6594 idx = get_wep_tx_idx(local);
6595 if (idx < 0)
6596 idx = 0;
6597 }
4be757dd
DW		 6598
6599 encoding->flags = idx + 1;
6600 memset(ext, 0, sizeof(*ext));
6601
6602 /* Check encryption mode */
6603 switch(local->config.authType) {
6604 case AUTH_ENCRYPT:
6605 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6606 break;
6607 case AUTH_SHAREDKEY:
6608 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6609 break;
6610 default:
6611 case AUTH_OPEN:
6612 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6613 break;
6614 }
6615 /* We can't return the key, so set the proper flag and return zero */
6616 encoding->flags |= IW_ENCODE_NOKEY;
6617 memset(extra, 0, 16);
6618
6619 /* Copy the key to the user buffer */
267d493b
JL		 6620 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6621 if (wep_key_len < 0) {
aedec922 6622 ext->key_len = 0;
267d493b
JL		 6623 } else {
6624 ext->key_len = wep_key_len;
6625 memcpy(extra, buf, ext->key_len);
6626 }
4be757dd
DW		 6627
6628 return 0;
6629}
6630
6631
6632/*------------------------------------------------------------------*/
6633/*
6634 * Wireless Handler : set extended authentication parameters
6635 */
6636static int airo_set_auth(struct net_device *dev,
6637 struct iw_request_info *info,
6638 union iwreq_data *wrqu, char *extra)
6639{
faf3994a 6640 struct airo_info *local = dev->ml_priv;
4be757dd 6641 struct iw_param *param = &wrqu->param;
3eb9b41f 6642 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6643
6644 switch (param->flags & IW_AUTH_INDEX) {
6645 case IW_AUTH_WPA_VERSION:
6646 case IW_AUTH_CIPHER_PAIRWISE:
6647 case IW_AUTH_CIPHER_GROUP:
6648 case IW_AUTH_KEY_MGMT:
6649 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6650 case IW_AUTH_PRIVACY_INVOKED:
6651 /*
6652 * airo does not use these parameters
6653 */
6654 break;
6655
6656 case IW_AUTH_DROP_UNENCRYPTED:
6657 if (param->value) {
6658 /* Only change auth type if unencrypted */
6659 if (currentAuthType == AUTH_OPEN)
6660 local->config.authType = AUTH_ENCRYPT;
6661 } else {
6662 local->config.authType = AUTH_OPEN;
6663 }
6664
6665 /* Commit the changes to flags if needed */
6666 if (local->config.authType != currentAuthType)
6667 set_bit (FLAG_COMMIT, &local->flags);
6668 break;
6669
6670 case IW_AUTH_80211_AUTH_ALG: {
6671 /* FIXME: What about AUTH_OPEN? This API seems to
6672 * disallow setting our auth to AUTH_OPEN.
6673 */
6674 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6675 local->config.authType = AUTH_SHAREDKEY;
6676 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6677 local->config.authType = AUTH_ENCRYPT;
6678 } else
6679 return -EINVAL;
4be757dd
DW		 6680
6681 /* Commit the changes to flags if needed */
6682 if (local->config.authType != currentAuthType)
6683 set_bit (FLAG_COMMIT, &local->flags);
011f5c5b 6684 break;
4be757dd
DW		 6685 }
6686
6687 case IW_AUTH_WPA_ENABLED:
6688 /* Silently accept disable of WPA */
6689 if (param->value > 0)
6690 return -EOPNOTSUPP;
6691 break;
6692
6693 default:
6694 return -EOPNOTSUPP;
6695 }
6696 return -EINPROGRESS;
6697}
6698
6699
6700/*------------------------------------------------------------------*/
6701/*
6702 * Wireless Handler : get extended authentication parameters
6703 */
6704static int airo_get_auth(struct net_device *dev,
6705 struct iw_request_info *info,
6706 union iwreq_data *wrqu, char *extra)
6707{
faf3994a 6708 struct airo_info *local = dev->ml_priv;
4be757dd 6709 struct iw_param *param = &wrqu->param;
3eb9b41f 6710 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6711
6712 switch (param->flags & IW_AUTH_INDEX) {
6713 case IW_AUTH_DROP_UNENCRYPTED:
6714 switch (currentAuthType) {
6715 case AUTH_SHAREDKEY:
6716 case AUTH_ENCRYPT:
6717 param->value = 1;
6718 break;
6719 default:
6720 param->value = 0;
6721 break;
6722 }
6723 break;
6724
6725 case IW_AUTH_80211_AUTH_ALG:
6726 switch (currentAuthType) {
6727 case AUTH_SHAREDKEY:
6728 param->value = IW_AUTH_ALG_SHARED_KEY;
6729 break;
6730 case AUTH_ENCRYPT:
6731 default:
6732 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6733 break;
6734 }
6735 break;
6736
6737 case IW_AUTH_WPA_ENABLED:
6738 param->value = 0;
6739 break;
6740
6741 default:
6742 return -EOPNOTSUPP;
6743 }
6744 return 0;
6745}
6746
6747
1da177e4
LT		 6748/*------------------------------------------------------------------*/
6749/*
6750 * Wireless Handler : set Tx-Power
6751 */
6752static int airo_set_txpow(struct net_device *dev,
6753 struct iw_request_info *info,
6754 struct iw_param *vwrq,
6755 char *extra)
6756{
faf3994a 6757 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6758 CapabilityRid cap_rid; /* Card capability info */
6759 int i;
6760 int rc = -EINVAL;
3eb9b41f 6761 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6762
6763 readCapabilityRid(local, &cap_rid, 1);
6764
6765 if (vwrq->disabled) {
6766 set_bit (FLAG_RADIO_OFF, &local->flags);
6767 set_bit (FLAG_COMMIT, &local->flags);
6768 return -EINPROGRESS; /* Call commit handler */
6769 }
6770 if (vwrq->flags != IW_TXPOW_MWATT) {
6771 return -EINVAL;
6772 }
6773 clear_bit (FLAG_RADIO_OFF, &local->flags);
3d0ccd02 6774 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
3eb9b41f 6775 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6776 readConfigRid(local, 1);
3eb9b41f 6777 local->config.txPower = v;
1da177e4
LT		 6778 set_bit (FLAG_COMMIT, &local->flags);
6779 rc = -EINPROGRESS; /* Call commit handler */
6780 break;
6781 }
6782 return rc;
6783}
6784
6785/*------------------------------------------------------------------*/
6786/*
6787 * Wireless Handler : get Tx-Power
6788 */
6789static int airo_get_txpow(struct net_device *dev,
6790 struct iw_request_info *info,
6791 struct iw_param *vwrq,
6792 char *extra)
6793{
faf3994a 6794 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6795
6796 readConfigRid(local, 1);
3eb9b41f 6797 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6798 vwrq->fixed = 1; /* No power control */
6799 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6800 vwrq->flags = IW_TXPOW_MWATT;
6801
6802 return 0;
6803}
6804
6805/*------------------------------------------------------------------*/
6806/*
6807 * Wireless Handler : set Retry limits
6808 */
6809static int airo_set_retry(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6812 char *extra)
6813{
faf3994a 6814 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6815 int rc = -EINVAL;
6816
6817 if(vwrq->disabled) {
6818 return -EINVAL;
6819 }
6820 readConfigRid(local, 1);
6821 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6822 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6823 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6824 local->config.longRetryLimit = v;
7f8544cc 6825 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6826 local->config.shortRetryLimit = v;
1da177e4
LT		 6827 else {
6828 /* No modifier : set both */
3eb9b41f
AV		 6829 local->config.longRetryLimit = v;
6830 local->config.shortRetryLimit = v;
1da177e4
LT		 6831 }
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6834 }
6835 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6836 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6837 set_bit (FLAG_COMMIT, &local->flags);
6838 rc = -EINPROGRESS; /* Call commit handler */
6839 }
6840 return rc;
6841}
6842
6843/*------------------------------------------------------------------*/
6844/*
6845 * Wireless Handler : get Retry limits
6846 */
6847static int airo_get_retry(struct net_device *dev,
6848 struct iw_request_info *info,
6849 struct iw_param *vwrq,
6850 char *extra)
6851{
faf3994a 6852 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6853
6854 vwrq->disabled = 0; /* Can't be disabled */
6855
6856 readConfigRid(local, 1);
6857 /* Note : by default, display the min retry number */
6858 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6859 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6860 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6861 } else if((vwrq->flags & IW_RETRY_LONG)) {
6862 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6863 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6864 } else {
6865 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6866 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6867 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6868 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6869 }
6870
6871 return 0;
6872}
6873
6874/*------------------------------------------------------------------*/
6875/*
6876 * Wireless Handler : get range info
6877 */
6878static int airo_get_range(struct net_device *dev,
6879 struct iw_request_info *info,
6880 struct iw_point *dwrq,
6881 char *extra)
6882{
faf3994a 6883 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6884 struct iw_range *range = (struct iw_range *) extra;
6885 CapabilityRid cap_rid; /* Card capability info */
6886 int i;
6887 int k;
6888
6889 readCapabilityRid(local, &cap_rid, 1);
6890
6891 dwrq->length = sizeof(struct iw_range);
6892 memset(range, 0, sizeof(*range));
6893 range->min_nwid = 0x0000;
6894 range->max_nwid = 0x0000;
6895 range->num_channels = 14;
6896 /* Should be based on cap_rid.country to give only
6897 * what the current card support */
6898 k = 0;
6899 for(i = 0; i < 14; i++) {
6900 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK		 6901 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6902 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT		 6903 }
6904 range->num_frequency = k;
6905
41480af2
DW		 6906 range->sensitivity = 65535;
6907
1da177e4 6908 /* Hum... Should put the right values there */
41480af2
DW		 6909 if (local->rssi)
6910 range->max_qual.qual = 100; /* % */
6911 else
6912 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6913 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6914 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6915
6916 /* Experimental measurements - boundary 11/5.5 Mb/s */
6917 /* Note : with or without the (local->rssi), results
6918 * are somewhat different. - Jean II */
6919 if (local->rssi) {
ce6623c3
JT		 6920 range->avg_qual.qual = 50; /* % */
6921 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6922 } else {
6923 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6924 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6925 }
ce6623c3 6926 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6927
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6930 if(range->bitrate[i] == 0)
6931 break;
6932 }
6933 range->num_bitrates = i;
6934
6935 /* Set an indication of the max TCP throughput
6936 * in bit/s that we can expect using this interface.
6937 * May be use for QoS stuff... Jean II */
6938 if(i > 2)
6939 range->throughput = 5000 * 1000;
6940 else
6941 range->throughput = 1500 * 1000;
6942
6943 range->min_rts = 0;
15db2763 6944 range->max_rts = AIRO_DEF_MTU;
1da177e4 6945 range->min_frag = 256;
15db2763 6946 range->max_frag = AIRO_DEF_MTU;
1da177e4 6947
56d81bd3 6948 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 6949 // WEP: RC4 40 bits
6950 range->encoding_size[0] = 5;
6951 // RC4 ~128 bits
56d81bd3 6952 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 6953 range->encoding_size[1] = 13;
6954 range->num_encoding_sizes = 2;
6955 } else
6956 range->num_encoding_sizes = 1;
56d81bd3
AV		 6957 range->max_encoding_tokens =
6958 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 6959 } else {
6960 range->num_encoding_sizes = 0;
6961 range->max_encoding_tokens = 0;
6962 }
6963 range->min_pmp = 0;
6964 range->max_pmp = 5000000; /* 5 secs */
6965 range->min_pmt = 0;
6966 range->max_pmt = 65535 * 1024; /* ??? */
6967 range->pmp_flags = IW_POWER_PERIOD;
6968 range->pmt_flags = IW_POWER_TIMEOUT;
6969 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6970
6971 /* Transmit Power - values are in mW */
6972 for(i = 0 ; i < 8 ; i++) {
56d81bd3 6973 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 6974 if(range->txpower[i] == 0)
6975 break;
6976 }
6977 range->num_txpower = i;
6978 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6979 range->we_version_source = 19;
1da177e4
LT		 6980 range->we_version_compiled = WIRELESS_EXT;
6981 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6982 range->retry_flags = IW_RETRY_LIMIT;
6983 range->r_time_flags = IW_RETRY_LIFETIME;
6984 range->min_retry = 1;
6985 range->max_retry = 65535;
6986 range->min_r_time = 1024;
6987 range->max_r_time = 65535 * 1024;
1da177e4
LT		 6988
6989 /* Event capability (kernel + driver) */
6990 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6991 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6993 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6994 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6995 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6996 return 0;
6997}
6998
6999/*------------------------------------------------------------------*/
7000/*
7001 * Wireless Handler : set Power Management
7002 */
7003static int airo_set_power(struct net_device *dev,
7004 struct iw_request_info *info,
7005 struct iw_param *vwrq,
7006 char *extra)
7007{
faf3994a 7008 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7009
7010 readConfigRid(local, 1);
7011 if (vwrq->disabled) {
3eb9b41f 7012 if (sniffing_mode(local))
1da177e4 7013 return -EINVAL;
1da177e4 7014 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7015 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7016 local->config.rmode |= RXMODE_BC_MC_ADDR;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 return -EINPROGRESS; /* Call commit handler */
7019 }
7020 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7021 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 7025 local->config.fastListenInterval =
7026 local->config.listenInterval =
7027 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7028 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7029 set_bit (FLAG_COMMIT, &local->flags);
7030 }
7031 switch (vwrq->flags & IW_POWER_MODE) {
7032 case IW_POWER_UNICAST_R:
3eb9b41f 7033 if (sniffing_mode(local))
1da177e4 7034 return -EINVAL;
3eb9b41f 7035 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7036 local->config.rmode |= RXMODE_ADDR;
7037 set_bit (FLAG_COMMIT, &local->flags);
7038 break;
7039 case IW_POWER_ALL_R:
3eb9b41f 7040 if (sniffing_mode(local))
1da177e4 7041 return -EINVAL;
3eb9b41f 7042 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7043 local->config.rmode |= RXMODE_BC_MC_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 case IW_POWER_ON:
7f8544cc 7046 /* This is broken, fixme ;-) */
1da177e4
LT		 7047 break;
7048 default:
7049 return -EINVAL;
7050 }
7051 // Note : we may want to factor local->need_commit here
7052 // Note2 : may also want to factor RXMODE_RFMON test
7053 return -EINPROGRESS; /* Call commit handler */
7054}
7055
7056/*------------------------------------------------------------------*/
7057/*
7058 * Wireless Handler : get Power Management
7059 */
7060static int airo_get_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7063 char *extra)
7064{
faf3994a 7065 struct airo_info *local = dev->ml_priv;
3eb9b41f 7066 __le16 mode;
1da177e4
LT		 7067
7068 readConfigRid(local, 1);
7069 mode = local->config.powerSaveMode;
7070 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7071 return 0;
7072 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7073 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 7074 vwrq->flags = IW_POWER_TIMEOUT;
7075 } else {
3eb9b41f 7076 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 7077 vwrq->flags = IW_POWER_PERIOD;
7078 }
3eb9b41f 7079 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 7080 vwrq->flags |= IW_POWER_UNICAST_R;
7081 else
7082 vwrq->flags |= IW_POWER_ALL_R;
7083
7084 return 0;
7085}
7086
7087/*------------------------------------------------------------------*/
7088/*
7089 * Wireless Handler : set Sensitivity
7090 */
7091static int airo_set_sens(struct net_device *dev,
7092 struct iw_request_info *info,
7093 struct iw_param *vwrq,
7094 char *extra)
7095{
faf3994a 7096 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7097
7098 readConfigRid(local, 1);
3eb9b41f
AV		 7099 local->config.rssiThreshold =
7100 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7101 set_bit (FLAG_COMMIT, &local->flags);
7102
7103 return -EINPROGRESS; /* Call commit handler */
7104}
7105
7106/*------------------------------------------------------------------*/
7107/*
7108 * Wireless Handler : get Sensitivity
7109 */
7110static int airo_get_sens(struct net_device *dev,
7111 struct iw_request_info *info,
7112 struct iw_param *vwrq,
7113 char *extra)
7114{
faf3994a 7115 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7116
7117 readConfigRid(local, 1);
3eb9b41f 7118 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7119 vwrq->disabled = (vwrq->value == 0);
7120 vwrq->fixed = 1;
7121
7122 return 0;
7123}
7124
7125/*------------------------------------------------------------------*/
7126/*
7127 * Wireless Handler : get AP List
7128 * Note : this is deprecated in favor of IWSCAN
7129 */
7130static int airo_get_aplist(struct net_device *dev,
7131 struct iw_request_info *info,
7132 struct iw_point *dwrq,
7133 char *extra)
7134{
faf3994a 7135 struct airo_info *local = dev->ml_priv;
1da177e4 7136 struct sockaddr *address = (struct sockaddr *) extra;
998a5a7d 7137 struct iw_quality *qual;
1da177e4
LT		 7138 BSSListRid BSSList;
7139 int i;
7140 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7141
998a5a7d
FS		 7142 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7143 if (!qual)
7144 return -ENOMEM;
7145
1da177e4 7146 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7147 u16 dBm;
1da177e4
LT		 7148 if (readBSSListRid(local, loseSync, &BSSList))
7149 break;
7150 loseSync = 0;
7151 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7152 address[i].sa_family = ARPHRD_ETHER;
17e70491 7153 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7154 if (local->rssi) {
17e70491
AV		 7155 qual[i].level = 0x100 - dBm;
7156 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7157 qual[i].updated = IW_QUAL_QUAL_UPDATED
7158 | IW_QUAL_LEVEL_UPDATED
7159 | IW_QUAL_DBM;
41480af2 7160 } else {
17e70491 7161 qual[i].level = (dBm + 321) / 2;
41480af2 7162 qual[i].qual = 0;
ce6623c3
JT		 7163 qual[i].updated = IW_QUAL_QUAL_INVALID
7164 | IW_QUAL_LEVEL_UPDATED
7165 | IW_QUAL_DBM;
41480af2
DW		 7166 }
7167 qual[i].noise = local->wstats.qual.noise;
17e70491 7168 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7169 break;
7170 }
7171 if (!i) {
7172 StatusRid status_rid; /* Card status info */
7173 readStatusRid(local, &status_rid, 1);
7174 for (i = 0;
7175 i < min(IW_MAX_AP, 4) &&
7176 (status_rid.bssid[i][0]
7177 & status_rid.bssid[i][1]
7178 & status_rid.bssid[i][2]
7179 & status_rid.bssid[i][3]
7180 & status_rid.bssid[i][4]
7181 & status_rid.bssid[i][5])!=0xff &&
7182 (status_rid.bssid[i][0]
7183 | status_rid.bssid[i][1]
7184 | status_rid.bssid[i][2]
7185 | status_rid.bssid[i][3]
7186 | status_rid.bssid[i][4]
7187 | status_rid.bssid[i][5]);
7188 i++) {
7189 memcpy(address[i].sa_data,
7190 status_rid.bssid[i], ETH_ALEN);
7191 address[i].sa_family = ARPHRD_ETHER;
7192 }
7193 } else {
7194 dwrq->flags = 1; /* Should be define'd */
7f59ebb5
DC		 7195 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7196 sizeof(struct iw_quality) * i);
1da177e4
LT		 7197 }
7198 dwrq->length = i;
7199
998a5a7d 7200 kfree(qual);
1da177e4
LT		 7201 return 0;
7202}
7203
7204/*------------------------------------------------------------------*/
7205/*
7206 * Wireless Handler : Initiate Scan
7207 */
7208static int airo_set_scan(struct net_device *dev,
7209 struct iw_request_info *info,
9930ccee 7210 struct iw_point *dwrq,
1da177e4
LT		 7211 char *extra)
7212{
faf3994a 7213 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7214 Cmd cmd;
7215 Resp rsp;
9e75af30 7216 int wake = 0;
1da177e4
LT		 7217
7218 /* Note : you may have realised that, as this is a SET operation,
7219 * this is privileged and therefore a normal user can't
7220 * perform scanning.
7221 * This is not an error, while the device perform scanning,
7222 * traffic doesn't flow, so it's a perfect DoS...
7223 * Jean II */
7224 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7225
9e75af30
DW		 7226 if (down_interruptible(&ai->sem))
7227 return -ERESTARTSYS;
7228
7229 /* If there's already a scan in progress, don't
7230 * trigger another one. */
7231 if (ai->scan_timeout > 0)
7232 goto out;
7233
1da177e4 7234 /* Initiate a scan command */
6fcdf565 7235 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7236 memset(&cmd, 0, sizeof(cmd));
7237 cmd.cmd=CMD_LISTBSS;
1da177e4 7238 issuecommand(ai, &cmd, &rsp);
9e75af30 7239 wake = 1;
1da177e4 7240
9e75af30
DW		 7241out:
7242 up(&ai->sem);
7243 if (wake)
7244 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7245 return 0;
7246}
7247
7248/*------------------------------------------------------------------*/
7249/*
7250 * Translate scan data returned from the card to a card independent
7251 * format that the Wireless Tools will understand - Jean II
7252 */
7253static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7254 struct iw_request_info *info,
1da177e4
LT		 7255 char *current_ev,
7256 char *end_buf,
41480af2 7257 BSSListRid *bss)
1da177e4 7258{
faf3994a 7259 struct airo_info *ai = dev->ml_priv;
1da177e4 7260 struct iw_event iwe; /* Temporary buffer */
17e70491 7261 __le16 capabilities;
1da177e4
LT		 7262 char * current_val; /* For rates */
7263 int i;
3c304956 7264 char * buf;
851b3e5e 7265 u16 dBm;
1da177e4
LT		 7266
7267 /* First entry *MUST* be the AP MAC address */
7268 iwe.cmd = SIOCGIWAP;
7269 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7270 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM		 7271 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7272 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 7273
7274 /* Other entries will be displayed in the order we give them */
7275
7276 /* Add the ESSID */
41480af2 7277 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7278 if(iwe.u.data.length > 32)
7279 iwe.u.data.length = 32;
7280 iwe.cmd = SIOCGIWESSID;
7281 iwe.u.data.flags = 1;
ccc58057
DM		 7282 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7283 &iwe, bss->ssid);
1da177e4
LT		 7284
7285 /* Add mode */
7286 iwe.cmd = SIOCGIWMODE;
17e70491 7287 capabilities = bss->cap;
1da177e4
LT		 7288 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7289 if(capabilities & CAP_ESS)
7290 iwe.u.mode = IW_MODE_MASTER;
7291 else
7292 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 7293 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7294 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 7295 }
7296
7297 /* Add frequency */
7298 iwe.cmd = SIOCGIWFREQ;
41480af2 7299 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7300 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7301 iwe.u.freq.e = 1;
ccc58057
DM		 7302 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7303 &iwe, IW_EV_FREQ_LEN);
1da177e4 7304
851b3e5e
AV		 7305 dBm = le16_to_cpu(bss->dBm);
7306
1da177e4
LT		 7307 /* Add quality statistics */
7308 iwe.cmd = IWEVQUAL;
41480af2 7309 if (ai->rssi) {
851b3e5e
AV		 7310 iwe.u.qual.level = 0x100 - dBm;
7311 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7312 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7313 | IW_QUAL_LEVEL_UPDATED
7314 | IW_QUAL_DBM;
41480af2 7315 } else {
851b3e5e 7316 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7317 iwe.u.qual.qual = 0;
bbeec90b 7318 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7319 | IW_QUAL_LEVEL_UPDATED
7320 | IW_QUAL_DBM;
41480af2
DW		 7321 }
7322 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM		 7323 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7324 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 7325
7326 /* Add encryption capability */
7327 iwe.cmd = SIOCGIWENCODE;
7328 if(capabilities & CAP_PRIVACY)
7329 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7330 else
7331 iwe.u.data.flags = IW_ENCODE_DISABLED;
7332 iwe.u.data.length = 0;
ccc58057
DM		 7333 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7334 &iwe, bss->ssid);
1da177e4
LT		 7335
7336 /* Rate : stuffing multiple values in a single event require a bit
7337 * more of magic - Jean II */
ccc58057 7338 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT		 7339
7340 iwe.cmd = SIOCGIWRATE;
7341 /* Those two flags are ignored... */
7342 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7343 /* Max 8 values */
7344 for(i = 0 ; i < 8 ; i++) {
7345 /* NULL terminated */
41480af2 7346 if(bss->rates[i] == 0)
1da177e4
LT		 7347 break;
7348 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7349 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7350 /* Add new value to event */
ccc58057
DM		 7351 current_val = iwe_stream_add_value(info, current_ev,
7352 current_val, end_buf,
7353 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 7354 }
7355 /* Check if we added any event */
ccc58057 7356 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT		 7357 current_ev = current_val;
7358
3c304956
DW		 7359 /* Beacon interval */
7360 buf = kmalloc(30, GFP_KERNEL);
7361 if (buf) {
7362 iwe.cmd = IWEVCUSTOM;
7363 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7364 iwe.u.data.length = strlen(buf);
ccc58057
DM		 7365 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7366 &iwe, buf);
3c304956
DW		 7367 kfree(buf);
7368 }
7369
7370 /* Put WPA/RSN Information Elements into the event stream */
7371 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7372 unsigned int num_null_ies = 0;
7373 u16 length = sizeof (bss->extra.iep);
2c706002 7374 u8 *ie = (void *)&bss->extra.iep;
3c304956 7375
2c706002
JB		 7376 while ((length >= 2) && (num_null_ies < 2)) {
7377 if (2 + ie[1] > length) {
3c304956
DW		 7378 /* Invalid element, don't continue parsing IE */
7379 break;
7380 }
7381
2c706002
JB		 7382 switch (ie[0]) {
7383 case WLAN_EID_SSID:
3c304956
DW		 7384 /* Two zero-length SSID elements
7385 * mean we're done parsing elements */
2c706002 7386 if (!ie[1])
3c304956
DW		 7387 num_null_ies++;
7388 break;
7389
04b2312a 7390 case WLAN_EID_VENDOR_SPECIFIC:
2c706002
JB		 7391 if (ie[1] >= 4 &&
7392 ie[2] == 0x00 &&
7393 ie[3] == 0x50 &&
7394 ie[4] == 0xf2 &&
7395 ie[5] == 0x01) {
3c304956 7396 iwe.cmd = IWEVGENIE;
2c706002
JB		 7397 /* 64 is an arbitrary cut-off */
7398 iwe.u.data.length = min(ie[1] + 2,
7399 64);
ccc58057
DM		 7400 current_ev = iwe_stream_add_point(
7401 info, current_ev,
2c706002 7402 end_buf, &iwe, ie);
3c304956
DW		 7403 }
7404 break;
7405
2c706002 7406 case WLAN_EID_RSN:
3c304956 7407 iwe.cmd = IWEVGENIE;
2c706002
JB		 7408 /* 64 is an arbitrary cut-off */
7409 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM		 7410 current_ev = iwe_stream_add_point(
7411 info, current_ev, end_buf,
2c706002 7412 &iwe, ie);
3c304956
DW		 7413 break;
7414
7415 default:
7416 break;
7417 }
7418
2c706002
JB		 7419 length -= 2 + ie[1];
7420 ie += 2 + ie[1];
3c304956
DW		 7421 }
7422 }
1da177e4
LT		 7423 return current_ev;
7424}
7425
7426/*------------------------------------------------------------------*/
7427/*
7428 * Wireless Handler : Read Scan Results
7429 */
7430static int airo_get_scan(struct net_device *dev,
7431 struct iw_request_info *info,
7432 struct iw_point *dwrq,
7433 char *extra)
7434{
faf3994a 7435 struct airo_info *ai = dev->ml_priv;
9e75af30
DW		 7436 BSSListElement *net;
7437 int err = 0;
1da177e4
LT		 7438 char *current_ev = extra;
7439
9e75af30
DW		 7440 /* If a scan is in-progress, return -EAGAIN */
7441 if (ai->scan_timeout > 0)
1da177e4 7442 return -EAGAIN;
1da177e4 7443
9e75af30
DW		 7444 if (down_interruptible(&ai->sem))
7445 return -EAGAIN;
1da177e4 7446
9e75af30 7447 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7448 /* Translate to WE format this entry */
ccc58057 7449 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7450 extra + dwrq->length,
9e75af30 7451 &net->bss);
1da177e4
LT		 7452
7453 /* Check if there is space for one more entry */
7454 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7455 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7456 err = -E2BIG;
7457 goto out;
1da177e4 7458 }
1da177e4 7459 }
9e75af30 7460
1da177e4
LT		 7461 /* Length of data */
7462 dwrq->length = (current_ev - extra);
7463 dwrq->flags = 0; /* todo */
7464
9e75af30
DW		 7465out:
7466 up(&ai->sem);
7467 return err;
1da177e4
LT		 7468}
7469
7470/*------------------------------------------------------------------*/
7471/*
7472 * Commit handler : called after a bunch of SET operations
7473 */
7474static int airo_config_commit(struct net_device *dev,
7475 struct iw_request_info *info, /* NULL */
7476 void *zwrq, /* NULL */
7477 char *extra) /* NULL */
7478{
faf3994a 7479 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7480
7481 if (!test_bit (FLAG_COMMIT, &local->flags))
7482 return 0;
7483
7484 /* Some of the "SET" function may have modified some of the
7485 * parameters. It's now time to commit them in the card */
7486 disable_MAC(local, 1);
7487 if (test_bit (FLAG_RESET, &local->flags)) {
7488 APListRid APList_rid;
7489 SsidRid SSID_rid;
7490
7491 readAPListRid(local, &APList_rid);
7492 readSsidRid(local, &SSID_rid);
7493 if (test_bit(FLAG_MPI,&local->flags))
7494 setup_card(local, dev->dev_addr, 1 );
7495 else
7496 reset_airo_card(dev);
7497 disable_MAC(local, 1);
7498 writeSsidRid(local, &SSID_rid, 1);
7499 writeAPListRid(local, &APList_rid, 1);
7500 }
7501 if (down_interruptible(&local->sem))
7502 return -ERESTARTSYS;
7503 writeConfigRid(local, 0);
175ec1a1 7504 enable_MAC(local, 0);
1da177e4
LT		 7505 if (test_bit (FLAG_RESET, &local->flags))
7506 airo_set_promisc(local);
7507 else
7508 up(&local->sem);
7509
7510 return 0;
7511}
7512
7513/*------------------------------------------------------------------*/
7514/*
7515 * Structures to export the Wireless Handlers
7516 */
7517
7518static const struct iw_priv_args airo_private_args[] = {
7519/*{ cmd, set_args, get_args, name } */
7520 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7521 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7522 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7523 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7524};
7525
7526static const iw_handler airo_handler[] =
7527{
7528 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7529 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7530 (iw_handler) NULL, /* SIOCSIWNWID */
7531 (iw_handler) NULL, /* SIOCGIWNWID */
7532 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7533 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7534 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7535 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7536 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7537 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7538 (iw_handler) NULL, /* SIOCSIWRANGE */
7539 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7540 (iw_handler) NULL, /* SIOCSIWPRIV */
7541 (iw_handler) NULL, /* SIOCGIWPRIV */
7542 (iw_handler) NULL, /* SIOCSIWSTATS */
7543 (iw_handler) NULL, /* SIOCGIWSTATS */
7544 iw_handler_set_spy, /* SIOCSIWSPY */
7545 iw_handler_get_spy, /* SIOCGIWSPY */
7546 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7547 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7548 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7549 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7552 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7553 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7554 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7555 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7556 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7557 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) NULL, /* -- hole -- */
7560 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7561 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7562 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7563 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7564 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7565 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7566 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7567 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7568 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7569 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7570 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7571 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7572 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7573 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7574 (iw_handler) NULL, /* -- hole -- */
7575 (iw_handler) NULL, /* -- hole -- */
7576 (iw_handler) NULL, /* SIOCSIWGENIE */
7577 (iw_handler) NULL, /* SIOCGIWGENIE */
7578 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7579 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7580 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7581 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7582 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7583};
7584
7585/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7586 * We want to force the use of the ioctl code, because those can't be
7587 * won't work the iw_handler code (because they simultaneously read
7588 * and write data and iw_handler can't do that).
7589 * Note that it's perfectly legal to read/write on a single ioctl command,
7590 * you just can't use iwpriv and need to force it via the ioctl handler.
7591 * Jean II */
7592static const iw_handler airo_private_handler[] =
7593{
7594 NULL, /* SIOCIWFIRSTPRIV */
7595};
7596
7597static const struct iw_handler_def airo_handler_def =
7598{
ff8ac609
DC		 7599 .num_standard = ARRAY_SIZE(airo_handler),
7600 .num_private = ARRAY_SIZE(airo_private_handler),
7601 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7602 .standard = airo_handler,
7603 .private = airo_private_handler,
7604 .private_args = airo_private_args,
7605 .get_wireless_stats = airo_get_wireless_stats,
7606};
7607
1da177e4
LT		 7608/*
7609 * This defines the configuration part of the Wireless Extensions
7610 * Note : irq and spinlock protection will occur in the subroutines
7611 *
7612 * TODO :
7613 * o Check input value more carefully and fill correct values in range
7614 * o Test and shakeout the bugs (if any)
7615 *
7616 * Jean II
7617 *
7618 * Javier Achirica did a great job of merging code from the unnamed CISCO
7619 * developer that added support for flashing the card.
7620 */
7621static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7622{
7623 int rc = 0;
faf3994a 7624 struct airo_info *ai = dev->ml_priv;
1da177e4 7625
ca078bae 7626 if (ai->power.event)
1da177e4
LT		 7627 return 0;
7628
7629 switch (cmd) {
7630#ifdef CISCO_EXT
7631 case AIROIDIFC:
7632#ifdef AIROOLDIDIFC
7633 case AIROOLDIDIFC:
7634#endif
7635 {
7636 int val = AIROMAGIC;
7637 aironet_ioctl com;
7638 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7639 rc = -EFAULT;
7640 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7641 rc = -EFAULT;
7642 }
7643 break;
7644
7645 case AIROIOCTL:
7646#ifdef AIROOLDIOCTL
7647 case AIROOLDIOCTL:
7648#endif
7649 /* Get the command struct and hand it off for evaluation by
7650 * the proper subfunction
7651 */
7652 {
7653 aironet_ioctl com;
7654 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7655 rc = -EFAULT;
7656 break;
7657 }
7658
7659 /* Separate R/W functions bracket legality here
7660 */
7661 if ( com.command == AIRORSWVERSION ) {
7662 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7663 rc = -EFAULT;
7664 else
7665 rc = 0;
7666 }
7667 else if ( com.command <= AIRORRID)
7668 rc = readrids(dev,&com);
7669 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7670 rc = writerids(dev,&com);
7671 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7672 rc = flashcard(dev,&com);
7673 else
7674 rc = -EINVAL; /* Bad command in ioctl */
7675 }
7676 break;
7677#endif /* CISCO_EXT */
7678
7679 // All other calls are currently unsupported
7680 default:
7681 rc = -EOPNOTSUPP;
7682 }
7683 return rc;
7684}
7685
1da177e4
LT		 7686/*
7687 * Get the Wireless stats out of the driver
7688 * Note : irq and spinlock protection will occur in the subroutines
7689 *
7690 * TODO :
7691 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7692 *
7693 * Jean
7694 */
7695static void airo_read_wireless_stats(struct airo_info *local)
7696{
7697 StatusRid status_rid;
7698 StatsRid stats_rid;
7699 CapabilityRid cap_rid;
a23ace5f 7700 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7701
7702 /* Get stats out of the card */
3c304956 7703 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7704 if (local->power.event) {
1da177e4
LT		 7705 up(&local->sem);
7706 return;
7707 }
7708 readCapabilityRid(local, &cap_rid, 0);
7709 readStatusRid(local, &status_rid, 0);
7710 readStatsRid(local, &stats_rid, RID_STATS, 0);
7711 up(&local->sem);
7712
7713 /* The status */
329e2c00 7714 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7715
41480af2
DW		 7716 /* Signal quality and co */
7717 if (local->rssi) {
329e2c00
AV		 7718 local->wstats.qual.level =
7719 airo_rssi_to_dbm(local->rssi,
7720 le16_to_cpu(status_rid.sigQuality));
41480af2 7721 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7722 local->wstats.qual.qual =
7723 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7724 } else {
329e2c00
AV		 7725 local->wstats.qual.level =
7726 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7727 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7728 }
329e2c00 7729 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7730 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7731 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7732 } else {
7733 local->wstats.qual.noise = 0;
ce6623c3 7734 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7735 }
7736
7737 /* Packets discarded in the wireless adapter due to wireless
7738 * specific problems */
a23ace5f
AV		 7739 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7740 le32_to_cpu(vals[57]) +
7741 le32_to_cpu(vals[58]); /* SSID Mismatch */
7742 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7743 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7744 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7745 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7746 le32_to_cpu(vals[32]);
7747 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7748}
7749
ff1d2767 7750static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7751{
faf3994a 7752 struct airo_info *local = dev->ml_priv;
1da177e4 7753
3c304956 7754 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7755 /* Get stats out of the card if available */
7756 if (down_trylock(&local->sem) != 0) {
3c304956 7757 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7758 wake_up_interruptible(&local->thr_wait);
7759 } else
7760 airo_read_wireless_stats(local);
7761 }
7762
7763 return &local->wstats;
7764}
1da177e4
LT		 7765
7766#ifdef CISCO_EXT
7767/*
7768 * This just translates from driver IOCTL codes to the command codes to
7769 * feed to the radio's host interface. Things can be added/deleted
7770 * as needed. This represents the READ side of control I/O to
7771 * the card
7772 */
7773static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7774 unsigned short ridcode;
7775 unsigned char *iobuf;
7776 int len;
faf3994a 7777 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7778
7779 if (test_bit(FLAG_FLASHING, &ai->flags))
7780 return -EIO;
7781
7782 switch(comp->command)
7783 {
7784 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7785 case AIROGCFG: ridcode = RID_CONFIG;
7786 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7787 disable_MAC (ai, 1);
7788 writeConfigRid (ai, 1);
175ec1a1 7789 enable_MAC(ai, 1);
1da177e4
LT		 7790 }
7791 break;
7792 case AIROGSLIST: ridcode = RID_SSID; break;
7793 case AIROGVLIST: ridcode = RID_APLIST; break;
7794 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7795 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7796 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7797 /* Only super-user can read WEP keys */
7798 if (!capable(CAP_NET_ADMIN))
7799 return -EPERM;
7800 break;
7801 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7802 /* Only super-user can read WEP keys */
7803 if (!capable(CAP_NET_ADMIN))
7804 return -EPERM;
7805 break;
7806 case AIROGSTAT: ridcode = RID_STATUS; break;
7807 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7808 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7809 case AIROGMICSTATS:
7810 if (copy_to_user(comp->data, &ai->micstats,
7811 min((int)comp->len,(int)sizeof(ai->micstats))))
7812 return -EFAULT;
7813 return 0;
1da177e4
LT		 7814 case AIRORRID: ridcode = comp->ridnum; break;
7815 default:
7816 return -EINVAL;
7817 break;
7818 }
7819
7820 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7821 return -ENOMEM;
7822
7823 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7824 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7825 * then return it to the user
7826 * 9/22/2000 Honor user given length
7827 */
7828 len = comp->len;
7829
7830 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7831 kfree (iobuf);
7832 return -EFAULT;
7833 }
7834 kfree (iobuf);
7835 return 0;
7836}
7837
7838/*
7839 * Danger Will Robinson write the rids here
7840 */
7841
7842static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7843 struct airo_info *ai = dev->ml_priv;
1da177e4 7844 int ridcode;
1da177e4 7845 int enabled;
1da177e4
LT		 7846 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7847 unsigned char *iobuf;
7848
7849 /* Only super-user can write RIDs */
7850 if (!capable(CAP_NET_ADMIN))
7851 return -EPERM;
7852
7853 if (test_bit(FLAG_FLASHING, &ai->flags))
7854 return -EIO;
7855
7856 ridcode = 0;
7857 writer = do_writerid;
7858
7859 switch(comp->command)
7860 {
7861 case AIROPSIDS: ridcode = RID_SSID; break;
7862 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7863 case AIROPAPLIST: ridcode = RID_APLIST; break;
7864 case AIROPCFG: ai->config.len = 0;
7865 clear_bit(FLAG_COMMIT, &ai->flags);
7866 ridcode = RID_CONFIG; break;
7867 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7868 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7869 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7870 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7871 break;
7872 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7873 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7874
7875 /* this is not really a rid but a command given to the card
7876 * same with MAC off
7877 */
7878 case AIROPMACON:
175ec1a1 7879 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7880 return -EIO;
7881 return 0;
7882
7883 /*
7884 * Evidently this code in the airo driver does not get a symbol
7885 * as disable_MAC. it's probably so short the compiler does not gen one.
7886 */
7887 case AIROPMACOFF:
7888 disable_MAC(ai, 1);
7889 return 0;
7890
7891 /* This command merely clears the counts does not actually store any data
7892 * only reads rid. But as it changes the cards state, I put it in the
7893 * writerid routines.
7894 */
7895 case AIROPSTCLR:
7896 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7897 return -ENOMEM;
7898
7899 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7900
1da177e4
LT		 7901 enabled = ai->micstats.enabled;
7902 memset(&ai->micstats,0,sizeof(ai->micstats));
7903 ai->micstats.enabled = enabled;
1da177e4
LT		 7904
7905 if (copy_to_user(comp->data, iobuf,
7906 min((int)comp->len, (int)RIDSIZE))) {
7907 kfree (iobuf);
7908 return -EFAULT;
7909 }
7910 kfree (iobuf);
7911 return 0;
7912
7913 default:
7914 return -EOPNOTSUPP; /* Blarg! */
7915 }
7916 if(comp->len > RIDSIZE)
7917 return -EINVAL;
7918
7919 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7920 return -ENOMEM;
7921
7922 if (copy_from_user(iobuf,comp->data,comp->len)) {
7923 kfree (iobuf);
7924 return -EFAULT;
7925 }
7926
7927 if (comp->command == AIROPCFG) {
7928 ConfigRid *cfg = (ConfigRid *)iobuf;
7929
7930 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7931 cfg->opmode |= MODE_MIC;
1da177e4 7932
3eb9b41f 7933 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7934 set_bit (FLAG_ADHOC, &ai->flags);
7935 else
7936 clear_bit (FLAG_ADHOC, &ai->flags);
7937 }
7938
7939 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7940 kfree (iobuf);
7941 return -EIO;
7942 }
7943 kfree (iobuf);
7944 return 0;
7945}
7946
7947/*****************************************************************************
7948 * Ancillary flash / mod functions much black magic lurkes here *
7949 *****************************************************************************
7950 */
7951
7952/*
7953 * Flash command switch table
7954 */
7955
ff1d2767 7956static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7957 int z;
1da177e4
LT		 7958
7959 /* Only super-user can modify flash */
7960 if (!capable(CAP_NET_ADMIN))
7961 return -EPERM;
7962
7963 switch(comp->command)
7964 {
7965 case AIROFLSHRST:
faf3994a 7966 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7967
7968 case AIROFLSHSTFL:
faf3994a
WC		 7969 if (!AIRO_FLASH(dev) &&
7970 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 7971 return -ENOMEM;
faf3994a 7972 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7973
7974 case AIROFLSHGCHR: /* Get char from aux */
7975 if(comp->len != sizeof(int))
7976 return -EINVAL;
7977 if (copy_from_user(&z,comp->data,comp->len))
7978 return -EFAULT;
faf3994a 7979 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 7980
7981 case AIROFLSHPCHR: /* Send char to card. */
7982 if(comp->len != sizeof(int))
7983 return -EINVAL;
7984 if (copy_from_user(&z,comp->data,comp->len))
7985 return -EFAULT;
faf3994a 7986 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 7987
7988 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 7989 if (!AIRO_FLASH(dev))
1da177e4
LT		 7990 return -ENOMEM;
7991 if(comp->len > FLASHSIZE)
7992 return -EINVAL;
faf3994a 7993 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT		 7994 return -EFAULT;
7995
faf3994a 7996 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7997 return 0;
7998
7999 case AIRORESTART:
faf3994a 8000 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT		 8001 return -EIO;
8002 return 0;
8003 }
8004 return -EINVAL;
8005}
8006
8007#define FLASH_COMMAND 0x7e7e
8008
8009/*
8010 * STEP 1)
8011 * Disable MAC and do soft reset on
8012 * card.
8013 */
8014
ff1d2767 8015static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8016 disable_MAC(ai, 1);
8017
8018 if(!waitbusy (ai)){
934d8bf1 8019 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8020 return -EBUSY;
8021 }
8022
8023 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8024
8025 ssleep(1); /* WAS 600 12/7/00 */
8026
8027 if(!waitbusy (ai)){
934d8bf1 8028 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8029 return -EBUSY;
8030 }
8031 return 0;
8032}
8033
8034/* STEP 2)
8035 * Put the card in legendary flash
8036 * mode
8037 */
8038
ff1d2767 8039static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8040 set_bit (FLAG_FLASHING, &ai->flags);
8041
8042 OUT4500(ai, SWS0, FLASH_COMMAND);
8043 OUT4500(ai, SWS1, FLASH_COMMAND);
8044 if (probe) {
8045 OUT4500(ai, SWS0, FLASH_COMMAND);
8046 OUT4500(ai, COMMAND,0x10);
8047 } else {
8048 OUT4500(ai, SWS2, FLASH_COMMAND);
8049 OUT4500(ai, SWS3, FLASH_COMMAND);
8050 OUT4500(ai, COMMAND,0);
8051 }
8052 msleep(500); /* 500ms delay */
8053
8054 if(!waitbusy(ai)) {
8055 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8056 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8057 return -EIO;
8058 }
8059 return 0;
8060}
8061
8062/* Put character to SWS0 wait for dwelltime
8063 * x 50us for echo .
8064 */
8065
ff1d2767 8066static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8067 int echo;
8068 int waittime;
8069
8070 byte |= 0x8000;
8071
8072 if(dwelltime == 0 )
8073 dwelltime = 200;
8074
8075 waittime=dwelltime;
8076
8077 /* Wait for busy bit d15 to go false indicating buffer empty */
8078 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8079 udelay (50);
8080 waittime -= 50;
8081 }
8082
8083 /* timeout for busy clear wait */
8084 if(waittime <= 0 ){
934d8bf1 8085 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8086 return -EBUSY;
8087 }
8088
8089 /* Port is clear now write byte and wait for it to echo back */
8090 do {
8091 OUT4500(ai,SWS0,byte);
8092 udelay(50);
8093 dwelltime -= 50;
8094 echo = IN4500(ai,SWS1);
8095 } while (dwelltime >= 0 && echo != byte);
8096
8097 OUT4500(ai,SWS1,0);
8098
8099 return (echo == byte) ? 0 : -EIO;
8100}
8101
8102/*
8103 * Get a character from the card matching matchbyte
8104 * Step 3)
8105 */
ff1d2767 8106static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8107 int rchar;
8108 unsigned char rbyte=0;
8109
8110 do {
8111 rchar = IN4500(ai,SWS1);
8112
8113 if(dwelltime && !(0x8000 & rchar)){
8114 dwelltime -= 10;
8115 mdelay(10);
8116 continue;
8117 }
8118 rbyte = 0xff & rchar;
8119
8120 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8121 OUT4500(ai,SWS1,0);
8122 return 0;
8123 }
8124 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8125 break;
8126 OUT4500(ai,SWS1,0);
8127
8128 }while(dwelltime > 0);
8129 return -EIO;
8130}
8131
8132/*
8133 * Transfer 32k of firmware data from user buffer to our buffer and
8134 * send to the card
8135 */
8136
ff1d2767 8137static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8138 int nwords;
8139
8140 /* Write stuff */
8141 if (test_bit(FLAG_MPI,&ai->flags))
8142 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8143 else {
8144 OUT4500(ai,AUXPAGE,0x100);
8145 OUT4500(ai,AUXOFF,0);
8146
8147 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8148 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8149 }
8150 }
8151 OUT4500(ai,SWS0,0x8000);
8152
8153 return 0;
8154}
8155
8156/*
8157 *
8158 */
ff1d2767 8159static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8160 int i,status;
8161
8162 ssleep(1); /* Added 12/7/00 */
8163 clear_bit (FLAG_FLASHING, &ai->flags);
8164 if (test_bit(FLAG_MPI, &ai->flags)) {
8165 status = mpi_init_descriptors(ai);
8166 if (status != SUCCESS)
8167 return status;
8168 }
8169 status = setup_card(ai, dev->dev_addr, 1);
8170
8171 if (!test_bit(FLAG_MPI,&ai->flags))
8172 for( i = 0; i < MAX_FIDS; i++ ) {
8173 ai->fids[i] = transmit_allocate
15db2763 8174 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8175 }
8176
8177 ssleep(1); /* Added 12/7/00 */
8178 return status;
8179}
8180#endif /* CISCO_EXT */
8181
8182/*
8183 This program is free software; you can redistribute it and/or
8184 modify it under the terms of the GNU General Public License
8185 as published by the Free Software Foundation; either version 2
8186 of the License, or (at your option) any later version.
8187
8188 This program is distributed in the hope that it will be useful,
8189 but WITHOUT ANY WARRANTY; without even the implied warranty of
8190 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8191 GNU General Public License for more details.
8192
8193 In addition:
8194
8195 Redistribution and use in source and binary forms, with or without
8196 modification, are permitted provided that the following conditions
8197 are met:
8198
8199 1. Redistributions of source code must retain the above copyright
8200 notice, this list of conditions and the following disclaimer.
8201 2. Redistributions in binary form must reproduce the above copyright
8202 notice, this list of conditions and the following disclaimer in the
8203 documentation and/or other materials provided with the distribution.
8204 3. The name of the author may not be used to endorse or promote
8205 products derived from this software without specific prior written
8206 permission.
8207
8208 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8209 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8210 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8211 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8212 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8213 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8214 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8215 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8216 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8217 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8218 POSSIBILITY OF SUCH DAMAGE.
8219*/
8220
8221module_init(airo_init_module);
8222module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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