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drivers/net/wireless: fix sparse warnings: symbol shadows an earlier one
[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 <[email protected]>
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 <[email protected]> and Jean Tourrilhes <[email protected]>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <[email protected]>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3b4c7d64 50#include <linux/kthread.h>
7dfb7103 51#include <linux/freezer.h>
1da177e4 52
2c706002
JB		 53#include <linux/ieee80211.h>
54
d3808760
AB		 55#include "airo.h"
56
1138c37b
MS		 57#define DRV_NAME "airo"
58
1da177e4
LT		 59#ifdef CONFIG_PCI
60static struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
05adc3b7 74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
1138c37b 78 .name = DRV_NAME,
1da177e4
LT		 79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
e292c737
PM		 89#define WIRELESS_SPY /* enable iwspy support */
90#include <net/iw_handler.h> /* New driver API */
1da177e4 91
e292c737 92#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT		 93#ifdef CISCO_EXT
94#include <linux/delay.h>
95#endif
96
1da177e4
LT		 97/* Hack to do some power saving */
98#define POWER_ON_DOWN
99
100/* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
105
106#define IGNLABEL(comment) NULL
107static char *statsLabels[] = {
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209#ifndef RUN_AT
210#define RUN_AT(x) (jiffies+(x))
211#endif
212
213
214/* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
217
218static int rates[8];
219static int basic_rate;
220static char *ssids[3];
221
222static int io[4];
223static int irq[4];
224
225static
226int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232static int adhoc;
233
234static int probe = 1;
235
236static int proc_uid /* = 0 */;
237
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 246cards. Direct support for ISA/PCI/MPI cards and support \
247for PCMCIA when used with airo_cs.");
1da177e4
LT		 248MODULE_LICENSE("Dual BSD/GPL");
249MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250module_param_array(io, int, NULL, 0);
251module_param_array(irq, int, NULL, 0);
252module_param(basic_rate, int, 0);
253module_param_array(rates, int, NULL, 0);
254module_param_array(ssids, charp, NULL, 0);
255module_param(auto_wep, int, 0);
256MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257the authentication options until an association is made. The value of \
258auto_wep is number of the wep keys to check. A value of 2 will try using \
259the key at index 0 and index 1.");
260module_param(aux_bap, int, 0);
261MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262than seems to work better for older cards with some older buses. Before \
263switching it checks that the switch is needed.");
264module_param(maxencrypt, int, 0);
265MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266encryption. Units are in 512kbs. Zero (default) means there is no limit. \
267Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
e292c737 285static int do8bitIO /* = 0 */;
1da177e4
LT		 286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
e292c737
PM		 402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT		 404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
1da177e4
LT		 499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
99590ffe
DW		 501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
4293ea33
AV		 503 __le16 len;
504 __le16 kindex;
1da177e4 505 u8 mac[ETH_ALEN];
4293ea33 506 __le16 klen;
1da177e4 507 u8 key[16];
99590ffe 508} __attribute__ ((packed));
1da177e4
LT		 509
510/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW		 511typedef struct Ssid Ssid;
512struct Ssid {
0dd2212f 513 __le16 len;
1da177e4 514 u8 ssid[32];
99590ffe 515} __attribute__ ((packed));
1da177e4 516
99590ffe
DW		 517typedef struct SsidRid SsidRid;
518struct SsidRid {
0dd2212f 519 __le16 len;
1da177e4 520 Ssid ssids[3];
99590ffe 521} __attribute__ ((packed));
1da177e4 522
99590ffe
DW		 523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
3eb9b41f
AV		 525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
99590ffe 530} __attribute__ ((packed));
1da177e4 531
99590ffe
DW		 532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
3eb9b41f
AV		 534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
1da177e4
LT		 563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
3eb9b41f
AV		 565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
1da177e4 575 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
1da177e4 600 /*---------- Power save operation ----------*/
3eb9b41f
AV		 601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
1da177e4 611 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
1da177e4 620 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 625 u8 rxDiversity;
626 u8 txDiversity;
3eb9b41f 627 __le16 txPower;
1da177e4 628#define TXPOWER_DEFAULT 0
3eb9b41f 629 __le16 rssiThreshold;
1da177e4 630#define RSSI_DEFAULT 0
3eb9b41f
AV		 631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
1da177e4
LT		 638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
3eb9b41f
AV		 640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
1da177e4
LT		 644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
3eb9b41f 653 __le16 autoWake;
99590ffe 654} __attribute__ ((packed));
1da177e4 655
99590ffe
DW		 656typedef struct StatusRid StatusRid;
657struct StatusRid {
329e2c00 658 __le16 len;
1da177e4 659 u8 mac[ETH_ALEN];
329e2c00
AV		 660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
1da177e4
LT		 664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
1da177e4
LT		 682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 689 __le16 load;
1da177e4 690 u8 carrier[4];
329e2c00 691 __le16 assocStatus;
1da177e4
LT		 692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
99590ffe 713} __attribute__ ((packed));
1da177e4 714
99590ffe
DW		 715typedef struct StatsRid StatsRid;
716struct StatsRid {
a23ace5f
AV		 717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
99590ffe 720} __attribute__ ((packed));
1da177e4 721
99590ffe
DW		 722typedef struct APListRid APListRid;
723struct APListRid {
a749716e 724 __le16 len;
1da177e4 725 u8 ap[4][ETH_ALEN];
99590ffe 726} __attribute__ ((packed));
1da177e4 727
99590ffe
DW		 728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
56d81bd3 730 __le16 len;
1da177e4
LT		 731 char oui[3];
732 char zero;
56d81bd3 733 __le16 prodNum;
1da177e4
LT		 734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 739 __le16 radioType;
740 __le16 country;
1da177e4
LT		 741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
56d81bd3
AV		 745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
99590ffe 756} __attribute__ ((packed));
3c304956
DW		 757
758/* Only present on firmware >= 5.30.17 */
99590ffe
DW		 759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
17e70491 761 __le16 unknown[4];
3c304956
DW		 762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
99590ffe 764} __attribute__ ((packed));
3c304956 765
99590ffe
DW		 766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
17e70491
AV		 768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 773 __le16 radioType;
1da177e4
LT		 774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
17e70491
AV		 778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
1da177e4
LT		 785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
17e70491 787 __le16 dwell;
1da177e4
LT		 788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
17e70491
AV		 793 __le16 dsChannel;
794 __le16 atimWindow;
3c304956
DW		 795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
99590ffe 798} __attribute__ ((packed));
1da177e4 799
9e75af30
DW		 800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
99590ffe
DW		 805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
1da177e4
LT		 807 u8 rssipct;
808 u8 rssidBm;
99590ffe 809} __attribute__ ((packed));
1da177e4 810
99590ffe
DW		 811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
1da177e4
LT		 813 u16 len;
814 tdsRssiEntry x[256];
99590ffe 815} __attribute__ ((packed));
1da177e4 816
99590ffe
DW		 817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
1da177e4 822 u8 multicast[16];
99590ffe 823 __le16 unicastValid;
1da177e4 824 u8 unicast[16];
99590ffe 825} __attribute__ ((packed));
1da177e4 826
99590ffe
DW		 827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
593c2b9c 829 __be16 typelen;
1da177e4
LT		 830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
593c2b9c
AV		 841 __be32 mic;
842 __be32 seq;
99590ffe 843} __attribute__ ((packed));
1da177e4
LT		 844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
1da177e4
LT		 850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
62595eb9 934static char swversion[] = "2.1";
1da177e4
LT		 935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 940#define AIRO_DEF_MTU 2312
1da177e4
LT		 941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
593c2b9c 959 __be32 d32;
1da177e4
LT		 960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
f55d4517
DW		 992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998} __attribute__ ((packed));
999
1da177e4
LT		 1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
ff1d2767 1083static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1da177e4
LT		 1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1da177e4
LT		 1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1108static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1115 int whichbap);
b8c06bc1 1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1117 int whichbap);
b8c06bc1 1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
7d12e780 1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1141static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1146#endif /* CISCO_EXT */
1da177e4
LT		 1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
41480af2
DW		 1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
9e75af30
DW		 1155static void airo_networks_free(struct airo_info *ai);
1156
1da177e4 1157struct airo_info {
1da177e4 1158 struct net_device *dev;
af5b5c9a 1159 struct list_head dev_list;
1da177e4
LT		 1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
1164 int fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1da177e4
LT		 1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
3c304956 1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
3c304956
DW		 1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
b8c06bc1 1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
3b4c7d64
SB		 1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1da177e4 1206 struct semaphore sem;
1da177e4 1207 wait_queue_head_t thr_wait;
1da177e4
LT		 1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1da177e4 1214 struct iw_statistics wstats; // wireless stats
9e75af30 1215 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1da177e4 1218 /* MIC stuff */
f12cc209 1219 struct crypto_cipher *tfm;
1da177e4
LT		 1220 mic_module mod[2];
1221 mic_statistics micstats;
1da177e4
LT		 1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1cc68ae0 1232 pm_message_t power;
1da177e4
LT		 1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
9e75af30 1237
138c0c68
DW		 1238 int wep_capable;
1239 int max_wep_idx;
1240
3c304956
DW		 1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
9e75af30
DW		 1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1da177e4
LT		 1249};
1250
b8c06bc1
AV		 1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1da177e4
LT		 1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
ff1d2767
JM		 1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
934d8bf1 1268#define airo_print(type, name, fmt, args...) \
1138c37b 1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
faf3994a 1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1284
1da177e4
LT		 1285/***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
ff1d2767
JM		 1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1298
018697d1
DW		 1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1da177e4
LT		 1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
3c304956 1328 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
018697d1
DW		 1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1da177e4
LT		 1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
018697d1
DW		 1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1da177e4
LT		 1352 }
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
f12cc209 1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1362
f12cc209 1363 if (IS_ERR(ai->tfm)) {
934d8bf1 1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1365 ai->tfm = NULL;
1da177e4
LT		 1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
ff1d2767 1376static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1da177e4
LT		 1633{
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1da177e4
LT		 1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
e7c04fd3 1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
e7c04fd3 1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1654 j += 4;
1655 }
1656 }
1657}
1658
1659/* prepare for calculation of a new mic */
ff1d2767 1660static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1661{
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
ff1d2767 1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
593c2b9c 1686 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
593c2b9c 1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
ff1d2767 1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
593c2b9c 1724 val = ntohl(context->part.d32);
1da177e4
LT		 1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1da177e4
LT		 1742
1743static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1744 BSSListRid *list)
1745{
3c304956
DW		 1746 Cmd cmd;
1747 Resp rsp;
1da177e4
LT		 1748
1749 if (first == 1) {
3c304956
DW		 1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
3b4c7d64 1755 ai->list_bss_task = current;
3c304956
DW		 1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
3b4c7d64
SB		 1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
3c304956 1761 }
17e70491 1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1763 list, ai->bssListRidLen, 1);
1da177e4
LT		 1764}
1765
4293ea33
AV		 1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1769 wkr, sizeof(*wkr), lock);
1da177e4 1770}
1da177e4 1771
4293ea33
AV		 1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1778 if (perm) {
4293ea33
AV		 1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
934d8bf1 1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1782 }
1783 return rc;
1784}
1785
0dd2212f
AV		 1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1789}
1da177e4 1790
0dd2212f
AV		 1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1794}
0dd2212f 1795
3eb9b41f
AV		 1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1da177e4 1798 int rc;
1da177e4
LT		 1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1da177e4
LT		 1808 ai->config = cfg;
1809 return SUCCESS;
1810}
3eb9b41f
AV		 1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1da177e4
LT		 1814 int i;
1815/* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
3eb9b41f
AV		 1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1da177e4
LT		 1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
3eb9b41f 1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1da177e4
LT		 1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1da177e4 1844
329e2c00
AV		 1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1848}
a749716e
AV		 1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1853}
a749716e
AV		 1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1858}
1da177e4 1859
56d81bd3
AV		 1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1863}
1da177e4 1864
a23ace5f
AV		 1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1868}
1869
1c2b7db8
MS		 1870static void try_auto_wep(struct airo_info *ai)
1871{
1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1da177e4 1878static int airo_open(struct net_device *dev) {
faf3994a 1879 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1880 int rc = 0;
1da177e4 1881
1c2b7db8 1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1da177e4
LT		 1892 }
1893
1c2b7db8
MS		 1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1899
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1901 dev->name, dev);
1902 if (rc) {
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1905 dev->irq, rc);
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1908 return rc;
1909 }
1910
1da177e4 1911 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1914
1915 try_auto_wep(ai);
1da177e4 1916 }
175ec1a1 1917 enable_MAC(ai, 1);
1da177e4
LT		 1918
1919 netif_start_queue(dev);
1920 return 0;
1921}
1922
1923static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1924 int npacks, pending;
1925 unsigned long flags;
faf3994a 1926 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 1927
1928 if (!skb) {
c94c93da 1929 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1da177e4
LT		 1930 return 0;
1931 }
1932 npacks = skb_queue_len (&ai->txq);
1933
1934 if (npacks >= MAXTXQ - 1) {
1935 netif_stop_queue (dev);
1936 if (npacks > MAXTXQ) {
5d9276da 1937 dev->stats.tx_fifo_errors++;
1da177e4
LT		 1938 return 1;
1939 }
1940 skb_queue_tail (&ai->txq, skb);
1941 return 0;
1942 }
1943
1944 spin_lock_irqsave(&ai->aux_lock, flags);
1945 skb_queue_tail (&ai->txq, skb);
1946 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1947 spin_unlock_irqrestore(&ai->aux_lock,flags);
1948 netif_wake_queue (dev);
1949
1950 if (pending == 0) {
1951 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1952 mpi_send_packet (dev);
1953 }
1954 return 0;
1955}
1956
1957/*
1958 * @mpi_send_packet
1959 *
1960 * Attempt to transmit a packet. Can be called from interrupt
1961 * or transmit . return number of packets we tried to send
1962 */
1963
1964static int mpi_send_packet (struct net_device *dev)
1965{
1966 struct sk_buff *skb;
1967 unsigned char *buffer;
593c2b9c
AV		 1968 s16 len;
1969 __le16 *payloadLen;
faf3994a 1970 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 1971 u8 *sendbuf;
1972
1973 /* get a packet to send */
1974
79ea13ce 1975 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW		 1976 airo_print_err(dev->name,
1977 "%s: Dequeue'd zero in send_packet()",
c94c93da 1978 __func__);
1da177e4
LT		 1979 return 0;
1980 }
1981
1982 /* check min length*/
1983 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1984 buffer = skb->data;
1985
1986 ai->txfids[0].tx_desc.offset = 0;
1987 ai->txfids[0].tx_desc.valid = 1;
1988 ai->txfids[0].tx_desc.eoc = 1;
1989 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1990
1991/*
1992 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1993 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1994 * is immediatly after it. ------------------------------------------------
1995 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1996 * ------------------------------------------------
1997 */
1998
1999 memcpy((char *)ai->txfids[0].virtual_host_addr,
2000 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2001
593c2b9c 2002 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT		 2003 sizeof(wifictlhdr8023));
2004 sendbuf = ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023) + 2 ;
2006
2007 /*
2008 * Firmware automaticly puts 802 header on so
2009 * we don't need to account for it in the length
2010 */
1da177e4 2011 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2012 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT		 2013 MICBuffer pMic;
2014
2015 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2016 return ERROR;
2017
2018 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2019 ai->txfids[0].tx_desc.len += sizeof(pMic);
2020 /* copy data into airo dma buffer */
2021 memcpy (sendbuf, buffer, sizeof(etherHead));
2022 buffer += sizeof(etherHead);
2023 sendbuf += sizeof(etherHead);
2024 memcpy (sendbuf, &pMic, sizeof(pMic));
2025 sendbuf += sizeof(pMic);
2026 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2027 } else {
1da177e4
LT		 2028 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2029
2030 dev->trans_start = jiffies;
2031
2032 /* copy data into airo dma buffer */
2033 memcpy(sendbuf, buffer, len);
2034 }
2035
2036 memcpy_toio(ai->txfids[0].card_ram_off,
2037 &ai->txfids[0].tx_desc, sizeof(TxFid));
2038
2039 OUT4500(ai, EVACK, 8);
2040
2041 dev_kfree_skb_any(skb);
2042 return 1;
2043}
2044
29b09fcc 2045static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2046{
593c2b9c 2047 __le16 status;
1da177e4
LT		 2048
2049 if (fid < 0)
2050 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2051 else {
2052 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2053 return;
2054 bap_read(ai, &status, 2, BAP0);
2055 }
2056 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2057 ai->dev->stats.tx_aborted_errors++;
1da177e4 2058 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2059 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT		 2060 if (le16_to_cpu(status) & 8) /* Aid fail */
2061 { }
2062 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2063 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT		 2064 if (le16_to_cpu(status) & 0x20) /* Association lost */
2065 { }
2066 /* We produce a TXDROP event only for retry or lifetime
2067 * exceeded, because that's the only status that really mean
2068 * that this particular node went away.
2069 * Other errors means that *we* screwed up. - Jean II */
2070 if ((le16_to_cpu(status) & 2) ||
2071 (le16_to_cpu(status) & 4)) {
2072 union iwreq_data wrqu;
2073 char junk[0x18];
2074
2075 /* Faster to skip over useless data than to do
2076 * another bap_setup(). We are at offset 0x6 and
2077 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2078 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT		 2079
2080 /* Copy 802.11 dest address.
2081 * We use the 802.11 header because the frame may
2082 * not be 802.3 or may be mangled...
2083 * In Ad-Hoc mode, it will be the node address.
2084 * In managed mode, it will be most likely the AP addr
2085 * User space will figure out how to convert it to
2086 * whatever it needs (IP address or else).
2087 * - Jean II */
2088 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2089 wrqu.addr.sa_family = ARPHRD_ETHER;
2090
2091 /* Send event to user space */
2092 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2093 }
2094}
2095
2096static void airo_end_xmit(struct net_device *dev) {
2097 u16 status;
2098 int i;
faf3994a 2099 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2100 struct sk_buff *skb = priv->xmit.skb;
2101 int fid = priv->xmit.fid;
2102 u32 *fids = priv->fids;
2103
3c304956 2104 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2105 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2106 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2107 up(&priv->sem);
2108
2109 i = 0;
2110 if ( status == SUCCESS ) {
2111 dev->trans_start = jiffies;
2112 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2113 } else {
2114 priv->fids[fid] &= 0xffff;
5d9276da 2115 dev->stats.tx_window_errors++;
1da177e4
LT		 2116 }
2117 if (i < MAX_FIDS / 2)
2118 netif_wake_queue(dev);
2119 dev_kfree_skb(skb);
2120}
2121
2122static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2123 s16 len;
2124 int i, j;
faf3994a 2125 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2126 u32 *fids = priv->fids;
2127
2128 if ( skb == NULL ) {
c94c93da 2129 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
1da177e4
LT		 2130 return 0;
2131 }
2132
2133 /* Find a vacant FID */
2134 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2135 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2136
2137 if ( j >= MAX_FIDS / 2 ) {
2138 netif_stop_queue(dev);
2139
2140 if (i == MAX_FIDS / 2) {
5d9276da 2141 dev->stats.tx_fifo_errors++;
1da177e4
LT		 2142 return 1;
2143 }
2144 }
2145 /* check min length*/
2146 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2147 /* Mark fid as used & save length for later */
2148 fids[i] |= (len << 16);
2149 priv->xmit.skb = skb;
2150 priv->xmit.fid = i;
2151 if (down_trylock(&priv->sem) != 0) {
2152 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2153 netif_stop_queue(dev);
3c304956 2154 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2155 wake_up_interruptible(&priv->thr_wait);
2156 } else
2157 airo_end_xmit(dev);
2158 return 0;
2159}
2160
2161static void airo_end_xmit11(struct net_device *dev) {
2162 u16 status;
2163 int i;
faf3994a 2164 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2165 struct sk_buff *skb = priv->xmit11.skb;
2166 int fid = priv->xmit11.fid;
2167 u32 *fids = priv->fids;
2168
3c304956 2169 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2170 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2171 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2172 up(&priv->sem);
2173
2174 i = MAX_FIDS / 2;
2175 if ( status == SUCCESS ) {
2176 dev->trans_start = jiffies;
2177 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2178 } else {
2179 priv->fids[fid] &= 0xffff;
5d9276da 2180 dev->stats.tx_window_errors++;
1da177e4
LT		 2181 }
2182 if (i < MAX_FIDS)
2183 netif_wake_queue(dev);
2184 dev_kfree_skb(skb);
2185}
2186
2187static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2188 s16 len;
2189 int i, j;
faf3994a 2190 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2191 u32 *fids = priv->fids;
2192
2193 if (test_bit(FLAG_MPI, &priv->flags)) {
2194 /* Not implemented yet for MPI350 */
2195 netif_stop_queue(dev);
2196 return -ENETDOWN;
2197 }
2198
2199 if ( skb == NULL ) {
c94c93da 2200 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
1da177e4
LT		 2201 return 0;
2202 }
2203
2204 /* Find a vacant FID */
2205 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2206 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2207
2208 if ( j >= MAX_FIDS ) {
2209 netif_stop_queue(dev);
2210
2211 if (i == MAX_FIDS) {
5d9276da 2212 dev->stats.tx_fifo_errors++;
1da177e4
LT		 2213 return 1;
2214 }
2215 }
2216 /* check min length*/
2217 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2218 /* Mark fid as used & save length for later */
2219 fids[i] |= (len << 16);
2220 priv->xmit11.skb = skb;
2221 priv->xmit11.fid = i;
2222 if (down_trylock(&priv->sem) != 0) {
2223 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2224 netif_stop_queue(dev);
3c304956 2225 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2226 wake_up_interruptible(&priv->thr_wait);
2227 } else
2228 airo_end_xmit11(dev);
2229 return 0;
2230}
2231
5d9276da 2232static void airo_read_stats(struct net_device *dev)
a23ace5f 2233{
faf3994a 2234 struct airo_info *ai = dev->ml_priv;
1da177e4 2235 StatsRid stats_rid;
a23ace5f 2236 __le32 *vals = stats_rid.vals;
1da177e4 2237
3c304956 2238 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2239 if (ai->power.event) {
1da177e4
LT		 2240 up(&ai->sem);
2241 return;
2242 }
2243 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2244 up(&ai->sem);
2245
5d9276da 2246 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2247 le32_to_cpu(vals[45]);
5d9276da 2248 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2249 le32_to_cpu(vals[41]);
5d9276da
PZ		 2250 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2251 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2252 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2253 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ		 2254 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2255 dev->stats.tx_fifo_errors;
2256 dev->stats.multicast = le32_to_cpu(vals[43]);
2257 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT		 2258
2259 /* detailed rx_errors: */
5d9276da
PZ		 2260 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2261 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2262 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2263 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT		 2264}
2265
ff1d2767 2266static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4 2267{
faf3994a 2268 struct airo_info *local = dev->ml_priv;
1da177e4 2269
3c304956 2270 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2271 /* Get stats out of the card if available */
2272 if (down_trylock(&local->sem) != 0) {
3c304956 2273 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2274 wake_up_interruptible(&local->thr_wait);
2275 } else
5d9276da 2276 airo_read_stats(dev);
1da177e4
LT		 2277 }
2278
5d9276da 2279 return &dev->stats;
1da177e4
LT		 2280}
2281
2282static void airo_set_promisc(struct airo_info *ai) {
2283 Cmd cmd;
2284 Resp rsp;
2285
2286 memset(&cmd, 0, sizeof(cmd));
2287 cmd.cmd=CMD_SETMODE;
3c304956 2288 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2289 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2290 issuecommand(ai, &cmd, &rsp);
2291 up(&ai->sem);
2292}
2293
2294static void airo_set_multicast_list(struct net_device *dev) {
faf3994a 2295 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2296
2297 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2298 change_bit(FLAG_PROMISC, &ai->flags);
2299 if (down_trylock(&ai->sem) != 0) {
3c304956 2300 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2301 wake_up_interruptible(&ai->thr_wait);
2302 } else
2303 airo_set_promisc(ai);
2304 }
2305
2306 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2307 /* Turn on multicast. (Should be already setup...) */
2308 }
2309}
2310
2311static int airo_set_mac_address(struct net_device *dev, void *p)
2312{
faf3994a 2313 struct airo_info *ai = dev->ml_priv;
1da177e4 2314 struct sockaddr *addr = p;
1da177e4
LT		 2315
2316 readConfigRid(ai, 1);
2317 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2318 set_bit (FLAG_COMMIT, &ai->flags);
2319 disable_MAC(ai, 1);
2320 writeConfigRid (ai, 1);
175ec1a1 2321 enable_MAC(ai, 1);
1da177e4
LT		 2322 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2323 if (ai->wifidev)
2324 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2325 return 0;
2326}
2327
2328static int airo_change_mtu(struct net_device *dev, int new_mtu)
2329{
2330 if ((new_mtu < 68) || (new_mtu > 2400))
2331 return -EINVAL;
2332 dev->mtu = new_mtu;
2333 return 0;
2334}
2335
af5b5c9a
MS		 2336static LIST_HEAD(airo_devices);
2337
2338static void add_airo_dev(struct airo_info *ai)
2339{
2340 /* Upper layers already keep track of PCI devices,
2341 * so we only need to remember our non-PCI cards. */
2342 if (!ai->pci)
2343 list_add_tail(&ai->dev_list, &airo_devices);
2344}
2345
2346static void del_airo_dev(struct airo_info *ai)
2347{
2348 if (!ai->pci)
2349 list_del(&ai->dev_list);
2350}
1da177e4
LT		 2351
2352static int airo_close(struct net_device *dev) {
faf3994a 2353 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2354
2355 netif_stop_queue(dev);
2356
2357 if (ai->wifidev != dev) {
2358#ifdef POWER_ON_DOWN
2359 /* Shut power to the card. The idea is that the user can save
2360 * power when he doesn't need the card with "ifconfig down".
2361 * That's the method that is most friendly towards the network
2362 * stack (i.e. the network stack won't try to broadcast
2363 * anything on the interface and routes are gone. Jean II */
2364 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2365 disable_MAC(ai, 1);
2366#endif
2367 disable_interrupts( ai );
1c2b7db8
MS		 2368
2369 free_irq(dev->irq, dev);
2370
2371 set_bit(JOB_DIE, &ai->jobs);
2372 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2373 }
2374 return 0;
2375}
2376
1da177e4
LT		 2377void stop_airo_card( struct net_device *dev, int freeres )
2378{
faf3994a 2379 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2380
2381 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2382 disable_MAC(ai, 1);
2383 disable_interrupts(ai);
1da177e4
LT		 2384 takedown_proc_entry( dev, ai );
2385 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2386 unregister_netdev( dev );
2387 if (ai->wifidev) {
2388 unregister_netdev(ai->wifidev);
2389 free_netdev(ai->wifidev);
2390 ai->wifidev = NULL;
2391 }
2392 clear_bit(FLAG_REGISTERED, &ai->flags);
2393 }
1da177e4
LT		 2394 /*
2395 * Clean out tx queue
2396 */
b03efcfb 2397 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2398 struct sk_buff *skb = NULL;
2399 for (;(skb = skb_dequeue(&ai->txq));)
2400 dev_kfree_skb(skb);
2401 }
2402
9e75af30
DW		 2403 airo_networks_free (ai);
2404
b4558ea9
JJ		 2405 kfree(ai->flash);
2406 kfree(ai->rssi);
2407 kfree(ai->APList);
2408 kfree(ai->SSID);
1da177e4
LT		 2409 if (freeres) {
2410 /* PCMCIA frees this stuff, so only for PCI and ISA */
2411 release_region( dev->base_addr, 64 );
2412 if (test_bit(FLAG_MPI, &ai->flags)) {
2413 if (ai->pci)
2414 mpi_unmap_card(ai->pci);
2415 if (ai->pcimem)
2416 iounmap(ai->pcimem);
2417 if (ai->pciaux)
2418 iounmap(ai->pciaux);
2419 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2420 ai->shared, ai->shared_dma);
2421 }
2422 }
f12cc209 2423 crypto_free_cipher(ai->tfm);
af5b5c9a 2424 del_airo_dev(ai);
1da177e4
LT		 2425 free_netdev( dev );
2426}
2427
2428EXPORT_SYMBOL(stop_airo_card);
2429
b95cce35 2430static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2431{
98e399f8 2432 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2433 return ETH_ALEN;
2434}
2435
2436static void mpi_unmap_card(struct pci_dev *pci)
2437{
2438 unsigned long mem_start = pci_resource_start(pci, 1);
2439 unsigned long mem_len = pci_resource_len(pci, 1);
2440 unsigned long aux_start = pci_resource_start(pci, 2);
2441 unsigned long aux_len = AUXMEMSIZE;
2442
2443 release_mem_region(aux_start, aux_len);
2444 release_mem_region(mem_start, mem_len);
2445}
2446
2447/*************************************************************
2448 * This routine assumes that descriptors have been setup .
2449 * Run at insmod time or after reset when the decriptors
2450 * have been initialized . Returns 0 if all is well nz
2451 * otherwise . Does not allocate memory but sets up card
2452 * using previously allocated descriptors.
2453 */
2454static int mpi_init_descriptors (struct airo_info *ai)
2455{
2456 Cmd cmd;
2457 Resp rsp;
2458 int i;
2459 int rc = SUCCESS;
2460
2461 /* Alloc card RX descriptors */
2462 netif_stop_queue(ai->dev);
2463
2464 memset(&rsp,0,sizeof(rsp));
2465 memset(&cmd,0,sizeof(cmd));
2466
2467 cmd.cmd = CMD_ALLOCATEAUX;
2468 cmd.parm0 = FID_RX;
2469 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2470 cmd.parm2 = MPI_MAX_FIDS;
2471 rc=issuecommand(ai, &cmd, &rsp);
2472 if (rc != SUCCESS) {
934d8bf1 2473 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2474 return rc;
2475 }
2476
2477 for (i=0; i<MPI_MAX_FIDS; i++) {
2478 memcpy_toio(ai->rxfids[i].card_ram_off,
2479 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2480 }
2481
2482 /* Alloc card TX descriptors */
2483
2484 memset(&rsp,0,sizeof(rsp));
2485 memset(&cmd,0,sizeof(cmd));
2486
2487 cmd.cmd = CMD_ALLOCATEAUX;
2488 cmd.parm0 = FID_TX;
2489 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2490 cmd.parm2 = MPI_MAX_FIDS;
2491
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 ai->txfids[i].tx_desc.valid = 1;
2494 memcpy_toio(ai->txfids[i].card_ram_off,
2495 &ai->txfids[i].tx_desc, sizeof(TxFid));
2496 }
2497 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2498
2499 rc=issuecommand(ai, &cmd, &rsp);
2500 if (rc != SUCCESS) {
934d8bf1 2501 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2502 return rc;
2503 }
2504
2505 /* Alloc card Rid descriptor */
2506 memset(&rsp,0,sizeof(rsp));
2507 memset(&cmd,0,sizeof(cmd));
2508
2509 cmd.cmd = CMD_ALLOCATEAUX;
2510 cmd.parm0 = RID_RW;
2511 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2512 cmd.parm2 = 1; /* Magic number... */
2513 rc=issuecommand(ai, &cmd, &rsp);
2514 if (rc != SUCCESS) {
934d8bf1 2515 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2516 return rc;
2517 }
2518
2519 memcpy_toio(ai->config_desc.card_ram_off,
2520 &ai->config_desc.rid_desc, sizeof(Rid));
2521
2522 return rc;
2523}
2524
2525/*
2526 * We are setting up three things here:
2527 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2528 * 2) Map PCI memory for issueing commands.
2529 * 3) Allocate memory (shared) to send and receive ethernet frames.
2530 */
1138c37b 2531static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2532{
2533 unsigned long mem_start, mem_len, aux_start, aux_len;
2534 int rc = -1;
2535 int i;
2759c8d5
JG		 2536 dma_addr_t busaddroff;
2537 unsigned char *vpackoff;
1da177e4
LT		 2538 unsigned char __iomem *pciaddroff;
2539
2540 mem_start = pci_resource_start(pci, 1);
2541 mem_len = pci_resource_len(pci, 1);
2542 aux_start = pci_resource_start(pci, 2);
2543 aux_len = AUXMEMSIZE;
2544
1138c37b
MS		 2545 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2546 airo_print_err("", "Couldn't get region %x[%x]",
2547 (int)mem_start, (int)mem_len);
1da177e4
LT		 2548 goto out;
2549 }
1138c37b
MS		 2550 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2551 airo_print_err("", "Couldn't get region %x[%x]",
2552 (int)aux_start, (int)aux_len);
1da177e4
LT		 2553 goto free_region1;
2554 }
2555
2556 ai->pcimem = ioremap(mem_start, mem_len);
2557 if (!ai->pcimem) {
1138c37b
MS		 2558 airo_print_err("", "Couldn't map region %x[%x]",
2559 (int)mem_start, (int)mem_len);
1da177e4
LT		 2560 goto free_region2;
2561 }
2562 ai->pciaux = ioremap(aux_start, aux_len);
2563 if (!ai->pciaux) {
1138c37b
MS		 2564 airo_print_err("", "Couldn't map region %x[%x]",
2565 (int)aux_start, (int)aux_len);
1da177e4
LT		 2566 goto free_memmap;
2567 }
2568
2569 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2570 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2571 if (!ai->shared) {
1138c37b
MS		 2572 airo_print_err("", "Couldn't alloc_consistent %d",
2573 PCI_SHARED_LEN);
1da177e4
LT		 2574 goto free_auxmap;
2575 }
2576
2577 /*
2578 * Setup descriptor RX, TX, CONFIG
2579 */
2759c8d5 2580 busaddroff = ai->shared_dma;
1da177e4
LT		 2581 pciaddroff = ai->pciaux + AUX_OFFSET;
2582 vpackoff = ai->shared;
2583
2584 /* RX descriptor setup */
2585 for(i = 0; i < MPI_MAX_FIDS; i++) {
2586 ai->rxfids[i].pending = 0;
2587 ai->rxfids[i].card_ram_off = pciaddroff;
2588 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2589 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2590 ai->rxfids[i].rx_desc.valid = 1;
2591 ai->rxfids[i].rx_desc.len = PKTSIZE;
2592 ai->rxfids[i].rx_desc.rdy = 0;
2593
2594 pciaddroff += sizeof(RxFid);
2595 busaddroff += PKTSIZE;
2596 vpackoff += PKTSIZE;
2597 }
2598
2599 /* TX descriptor setup */
2600 for(i = 0; i < MPI_MAX_FIDS; i++) {
2601 ai->txfids[i].card_ram_off = pciaddroff;
2602 ai->txfids[i].virtual_host_addr = vpackoff;
2603 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2604 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2605 memcpy(ai->txfids[i].virtual_host_addr,
2606 &wifictlhdr8023, sizeof(wifictlhdr8023));
2607
2608 pciaddroff += sizeof(TxFid);
2609 busaddroff += PKTSIZE;
2610 vpackoff += PKTSIZE;
2611 }
2612 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2613
2614 /* Rid descriptor setup */
2615 ai->config_desc.card_ram_off = pciaddroff;
2616 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2617 ai->config_desc.rid_desc.host_addr = busaddroff;
2618 ai->ridbus = busaddroff;
1da177e4
LT		 2619 ai->config_desc.rid_desc.rid = 0;
2620 ai->config_desc.rid_desc.len = RIDSIZE;
2621 ai->config_desc.rid_desc.valid = 1;
2622 pciaddroff += sizeof(Rid);
2623 busaddroff += RIDSIZE;
2624 vpackoff += RIDSIZE;
2625
2626 /* Tell card about descriptors */
2627 if (mpi_init_descriptors (ai) != SUCCESS)
2628 goto free_shared;
2629
2630 return 0;
2631 free_shared:
2632 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2633 free_auxmap:
2634 iounmap(ai->pciaux);
2635 free_memmap:
2636 iounmap(ai->pcimem);
2637 free_region2:
2638 release_mem_region(aux_start, aux_len);
2639 free_region1:
2640 release_mem_region(mem_start, mem_len);
2641 out:
2642 return rc;
2643}
2644
3b04ddde
SH		 2645static const struct header_ops airo_header_ops = {
2646 .parse = wll_header_parse,
2647};
2648
1da177e4
LT		 2649static void wifi_setup(struct net_device *dev)
2650{
3b04ddde 2651 dev->header_ops = &airo_header_ops;
1da177e4
LT		 2652 dev->hard_start_xmit = &airo_start_xmit11;
2653 dev->get_stats = &airo_get_stats;
2654 dev->set_mac_address = &airo_set_mac_address;
2655 dev->do_ioctl = &airo_ioctl;
1da177e4 2656 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2657 dev->change_mtu = &airo_change_mtu;
2658 dev->open = &airo_open;
2659 dev->stop = &airo_close;
2660
2661 dev->type = ARPHRD_IEEE80211;
2662 dev->hard_header_len = ETH_HLEN;
15db2763 2663 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2664 dev->addr_len = ETH_ALEN;
2665 dev->tx_queue_len = 100;
2666
2667 memset(dev->broadcast,0xFF, ETH_ALEN);
2668
2669 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2670}
2671
2672static struct net_device *init_wifidev(struct airo_info *ai,
2673 struct net_device *ethdev)
2674{
2675 int err;
2676 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2677 if (!dev)
2678 return NULL;
faf3994a 2679 dev->ml_priv = ethdev->ml_priv;
1da177e4
LT		 2680 dev->irq = ethdev->irq;
2681 dev->base_addr = ethdev->base_addr;
1da177e4 2682 dev->wireless_data = ethdev->wireless_data;
229ce3ab 2683 SET_NETDEV_DEV(dev, ethdev->dev.parent);
1da177e4
LT		 2684 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2685 err = register_netdev(dev);
2686 if (err<0) {
2687 free_netdev(dev);
2688 return NULL;
2689 }
2690 return dev;
2691}
2692
ff1d2767 2693static int reset_card( struct net_device *dev , int lock) {
faf3994a 2694 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2695
2696 if (lock && down_interruptible(&ai->sem))
2697 return -1;
2698 waitbusy (ai);
2699 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2700 msleep(200);
2701 waitbusy (ai);
2702 msleep(200);
2703 if (lock)
2704 up(&ai->sem);
2705 return 0;
2706}
2707
3c304956 2708#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2709static int airo_networks_allocate(struct airo_info *ai)
2710{
2711 if (ai->networks)
2712 return 0;
2713
2714 ai->networks =
3c304956 2715 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2716 GFP_KERNEL);
2717 if (!ai->networks) {
1138c37b 2718 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2719 return -ENOMEM;
2720 }
2721
2722 return 0;
2723}
2724
2725static void airo_networks_free(struct airo_info *ai)
2726{
9e75af30
DW		 2727 kfree(ai->networks);
2728 ai->networks = NULL;
2729}
2730
2731static void airo_networks_initialize(struct airo_info *ai)
2732{
2733 int i;
2734
2735 INIT_LIST_HEAD(&ai->network_free_list);
2736 INIT_LIST_HEAD(&ai->network_list);
3c304956 2737 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2738 list_add_tail(&ai->networks[i].list,
2739 &ai->network_free_list);
2740}
2741
ff1d2767
JM		 2742static struct net_device *_init_airo_card( unsigned short irq, int port,
2743 int is_pcmcia, struct pci_dev *pci,
2744 struct device *dmdev )
1da177e4
LT		 2745{
2746 struct net_device *dev;
2747 struct airo_info *ai;
2748 int i, rc;
f65b56d6 2749 CapabilityRid cap_rid;
1da177e4
LT		 2750
2751 /* Create the network device object. */
1138c37b
MS		 2752 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2753 if (!dev) {
934d8bf1 2754 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2755 return NULL;
1da177e4
LT		 2756 }
2757
faf3994a 2758 ai = dev->ml_priv = netdev_priv(dev);
1da177e4 2759 ai->wifidev = NULL;
fb038c27 2760 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2761 ai->jobs = 0;
934d8bf1 2762 ai->dev = dev;
1da177e4 2763 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2764 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2765 set_bit(FLAG_MPI, &ai->flags);
2766 }
1da177e4
LT		 2767 spin_lock_init(&ai->aux_lock);
2768 sema_init(&ai->sem, 1);
2769 ai->config.len = 0;
2770 ai->pci = pci;
2771 init_waitqueue_head (&ai->thr_wait);
1da177e4 2772 ai->tfm = NULL;
af5b5c9a 2773 add_airo_dev(ai);
1da177e4 2774
9e75af30 2775 if (airo_networks_allocate (ai))
1c2b7db8 2776 goto err_out_free;
9e75af30
DW		 2777 airo_networks_initialize (ai);
2778
1da177e4
LT		 2779 /* The Airo-specific entries in the device structure. */
2780 if (test_bit(FLAG_MPI,&ai->flags)) {
2781 skb_queue_head_init (&ai->txq);
2782 dev->hard_start_xmit = &mpi_start_xmit;
2783 } else
2784 dev->hard_start_xmit = &airo_start_xmit;
2785 dev->get_stats = &airo_get_stats;
2786 dev->set_multicast_list = &airo_set_multicast_list;
2787 dev->set_mac_address = &airo_set_mac_address;
2788 dev->do_ioctl = &airo_ioctl;
1da177e4
LT		 2789 dev->wireless_handlers = &airo_handler_def;
2790 ai->wireless_data.spy_data = &ai->spy_data;
2791 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2792 dev->change_mtu = &airo_change_mtu;
2793 dev->open = &airo_open;
2794 dev->stop = &airo_close;
2795 dev->irq = irq;
2796 dev->base_addr = port;
2797
2798 SET_NETDEV_DEV(dev, dmdev);
2799
1d97f384
MC		 2800 reset_card (dev, 1);
2801 msleep(400);
1da177e4 2802
1da177e4 2803 if (!is_pcmcia) {
1138c37b 2804 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2805 rc = -EBUSY;
934d8bf1 2806 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2807 goto err_out_nets;
1da177e4
LT		 2808 }
2809 }
2810
2811 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2812 if (mpi_map_card(ai, pci)) {
2813 airo_print_err("", "Could not map memory");
1da177e4
LT		 2814 goto err_out_res;
2815 }
2816 }
2817
2818 if (probe) {
f65b56d6 2819 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
934d8bf1 2820 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2821 rc = -EIO;
2822 goto err_out_map;
2823 }
2824 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2825 ai->bap_read = fast_bap_read;
2826 set_bit(FLAG_FLASHING, &ai->flags);
2827 }
2828
f65b56d6
DW		 2829 strcpy(dev->name, "eth%d");
2830 rc = register_netdev(dev);
2831 if (rc) {
2832 airo_print_err(dev->name, "Couldn't register_netdev");
2833 goto err_out_map;
2834 }
2835 ai->wifidev = init_wifidev(ai, dev);
2836 if (!ai->wifidev)
2837 goto err_out_reg;
2838
2839 rc = readCapabilityRid(ai, &cap_rid, 1);
2840 if (rc != SUCCESS) {
2841 rc = -EIO;
2842 goto err_out_wifi;
2843 }
138c0c68
DW		 2844 /* WEP capability discovery */
2845 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2846 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
f65b56d6
DW		 2847
2848 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2849 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2850 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2851 le16_to_cpu(cap_rid.softSubVer));
2852
3c304956 2853 /* Test for WPA support */
f65b56d6
DW		 2854 /* Only firmware versions 5.30.17 or better can do WPA */
2855 if (le16_to_cpu(cap_rid.softVer) > 0x530
2856 || (le16_to_cpu(cap_rid.softVer) == 0x530
2857 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2858 airo_print_info(ai->dev->name, "WPA supported.");
2859
3c304956
DW		 2860 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2861 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2862 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2863 ai->bssListRidLen = sizeof(BSSListRid);
2864 } else {
f65b56d6
DW		 2865 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2866 "versions older than 5.30.17.");
2867
3c304956
DW		 2868 ai->bssListFirst = RID_BSSLISTFIRST;
2869 ai->bssListNext = RID_BSSLISTNEXT;
2870 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2871 }
2872
1da177e4 2873 set_bit(FLAG_REGISTERED,&ai->flags);
e174961c 2874 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2875
2876 /* Allocate the transmit buffers */
2877 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2878 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2879 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2880
faf3994a 2881 if (setup_proc_entry(dev, dev->ml_priv) < 0)
431aca5a
FM		 2882 goto err_out_wifi;
2883
1da177e4
LT		 2884 return dev;
2885
431aca5a
FM		 2886err_out_wifi:
2887 unregister_netdev(ai->wifidev);
2888 free_netdev(ai->wifidev);
2889err_out_reg:
2890 unregister_netdev(dev);
1da177e4
LT		 2891err_out_map:
2892 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2893 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2894 iounmap(ai->pciaux);
2895 iounmap(ai->pcimem);
2896 mpi_unmap_card(ai->pci);
2897 }
2898err_out_res:
2899 if (!is_pcmcia)
2900 release_region( dev->base_addr, 64 );
4d881901
MS		 2901err_out_nets:
2902 airo_networks_free(ai);
af5b5c9a 2903 del_airo_dev(ai);
1da177e4
LT		 2904err_out_free:
2905 free_netdev(dev);
2906 return NULL;
2907}
2908
2909struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2910 struct device *dmdev)
2911{
2912 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2913}
2914
2915EXPORT_SYMBOL(init_airo_card);
2916
2917static int waitbusy (struct airo_info *ai) {
2918 int delay = 0;
b212f337 2919 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT		 2920 udelay (10);
2921 if ((++delay % 20) == 0)
2922 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2923 }
2924 return delay < 10000;
2925}
2926
2927int reset_airo_card( struct net_device *dev )
2928{
2929 int i;
faf3994a 2930 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2931
2932 if (reset_card (dev, 1))
2933 return -1;
2934
2935 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2936 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2937 return -1;
2938 }
e174961c 2939 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2940 /* Allocate the transmit buffers if needed */
2941 if (!test_bit(FLAG_MPI,&ai->flags))
2942 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2943 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2944
2945 enable_interrupts( ai );
2946 netif_wake_queue(dev);
2947 return 0;
2948}
2949
2950EXPORT_SYMBOL(reset_airo_card);
2951
2952static void airo_send_event(struct net_device *dev) {
faf3994a 2953 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2954 union iwreq_data wrqu;
2955 StatusRid status_rid;
2956
3c304956 2957 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2958 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2959 up(&ai->sem);
2960 wrqu.data.length = 0;
2961 wrqu.data.flags = 0;
2962 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2963 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2964
2965 /* Send event to user space */
2966 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2967}
2968
9e75af30
DW		 2969static void airo_process_scan_results (struct airo_info *ai) {
2970 union iwreq_data wrqu;
3c304956 2971 BSSListRid bss;
9e75af30
DW		 2972 int rc;
2973 BSSListElement * loop_net;
2974 BSSListElement * tmp_net;
2975
2976 /* Blow away current list of scan results */
2977 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2978 list_move_tail (&loop_net->list, &ai->network_free_list);
2979 /* Don't blow away ->list, just BSS data */
2980 memset (loop_net, 0, sizeof (loop_net->bss));
2981 }
2982
2983 /* Try to read the first entry of the scan result */
3c304956 2984 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 2985 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW		 2986 /* No scan results */
2987 goto out;
2988 }
2989
2990 /* Read and parse all entries */
2991 tmp_net = NULL;
17e70491 2992 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW		 2993 /* Grab a network off the free list */
2994 if (!list_empty(&ai->network_free_list)) {
2995 tmp_net = list_entry(ai->network_free_list.next,
2996 BSSListElement, list);
2997 list_del(ai->network_free_list.next);
2998 }
2999
3000 if (tmp_net != NULL) {
3c304956 3001 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3002 list_add_tail(&tmp_net->list, &ai->network_list);
3003 tmp_net = NULL;
3004 }
3005
3006 /* Read next entry */
3c304956
DW		 3007 rc = PC4500_readrid(ai, ai->bssListNext,
3008 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3009 }
3010
3011out:
3012 ai->scan_timeout = 0;
3c304956 3013 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3014 up(&ai->sem);
3015
3016 /* Send an empty event to user space.
3017 * We don't send the received data on
3018 * the event because it would require
3019 * us to do complex transcoding, and
3020 * we want to minimise the work done in
3021 * the irq handler. Use a request to
3022 * extract the data - Jean II */
3023 wrqu.data.length = 0;
3024 wrqu.data.flags = 0;
3025 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3026}
3027
1da177e4
LT		 3028static int airo_thread(void *data) {
3029 struct net_device *dev = data;
faf3994a 3030 struct airo_info *ai = dev->ml_priv;
1da177e4 3031 int locked;
83144186
RW		 3032
3033 set_freezable();
1da177e4 3034 while(1) {
1da177e4 3035 /* make swsusp happy with our thread */
3e1d1d28 3036 try_to_freeze();
1da177e4 3037
3c304956 3038 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3039 break;
3040
3c304956 3041 if (ai->jobs) {
1da177e4
LT		 3042 locked = down_interruptible(&ai->sem);
3043 } else {
3044 wait_queue_t wait;
3045
3046 init_waitqueue_entry(&wait, current);
3047 add_wait_queue(&ai->thr_wait, &wait);
3048 for (;;) {
3049 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3050 if (ai->jobs)
1da177e4 3051 break;
9e75af30
DW		 3052 if (ai->expires || ai->scan_timeout) {
3053 if (ai->scan_timeout &&
3054 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3055 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3056 break;
3057 } else if (ai->expires &&
3058 time_after_eq(jiffies,ai->expires)){
3c304956 3059 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3060 break;
3061 }
5bb85f18
DK		 3062 if (!kthread_should_stop() &&
3063 !freezing(current)) {
9e75af30
DW		 3064 unsigned long wake_at;
3065 if (!ai->expires || !ai->scan_timeout) {
3066 wake_at = max(ai->expires,
3067 ai->scan_timeout);
3068 } else {
3069 wake_at = min(ai->expires,
3070 ai->scan_timeout);
3071 }
3072 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3073 continue;
3074 }
5bb85f18
DK		 3075 } else if (!kthread_should_stop() &&
3076 !freezing(current)) {
1da177e4
LT		 3077 schedule();
3078 continue;
3079 }
3080 break;
3081 }
3082 current->state = TASK_RUNNING;
3083 remove_wait_queue(&ai->thr_wait, &wait);
3084 locked = 1;
3085 }
3086
3087 if (locked)
3088 continue;
3089
3c304956 3090 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3091 up(&ai->sem);
3092 break;
3093 }
3094
ca078bae 3095 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3096 up(&ai->sem);
3097 continue;
3098 }
3099
3c304956 3100 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3101 airo_end_xmit(dev);
3c304956 3102 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3103 airo_end_xmit11(dev);
3c304956 3104 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3105 airo_read_stats(dev);
3c304956 3106 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3107 airo_read_wireless_stats(ai);
3c304956 3108 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3109 airo_set_promisc(ai);
3c304956 3110 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3111 micinit(ai);
3c304956 3112 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3113 airo_send_event(dev);
3c304956 3114 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3115 timer_func(dev);
3c304956 3116 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3117 airo_process_scan_results(ai);
3118 else /* Shouldn't get here, but we make sure to unlock */
3119 up(&ai->sem);
1da177e4 3120 }
3b4c7d64
SB		 3121
3122 return 0;
1da177e4
LT		 3123}
3124
0300b332
AV		 3125static int header_len(__le16 ctl)
3126{
3127 u16 fc = le16_to_cpu(ctl);
3128 switch (fc & 0xc) {
3129 case 4:
3130 if ((fc & 0xe0) == 0xc0)
3131 return 10; /* one-address control packet */
3132 return 16; /* two-address control packet */
3133 case 8:
3134 if ((fc & 0x300) == 0x300)
3135 return 30; /* WDS packet */
3136 }
3137 return 24;
3138}
3139
f55d4517 3140static void airo_handle_cisco_mic(struct airo_info *ai)
28fc1f5a 3141{
f55d4517
DW		 3142 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3143 set_bit(JOB_MIC, &ai->jobs);
3144 wake_up_interruptible(&ai->thr_wait);
3145 }
3146}
3147
3148/* Airo Status codes */
3149#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3150#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3151#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3152#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3153#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3154#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3155#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3156#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3157#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3158#define STAT_ASSOC 0x0400 /* Associated */
3159#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3160
3161static void airo_print_status(const char *devname, u16 status)
3162{
3163 u8 reason = status & 0xFF;
3164
3165 switch (status) {
3166 case STAT_NOBEACON:
3167 airo_print_dbg(devname, "link lost (missed beacons)");
3168 break;
3169 case STAT_MAXRETRIES:
3170 case STAT_MAXARL:
3171 airo_print_dbg(devname, "link lost (max retries)");
3172 break;
3173 case STAT_FORCELOSS:
3174 airo_print_dbg(devname, "link lost (local choice)");
3175 break;
3176 case STAT_TSFSYNC:
3177 airo_print_dbg(devname, "link lost (TSF sync lost)");
3178 break;
3179 case STAT_DEAUTH:
3180 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3181 break;
3182 case STAT_DISASSOC:
3183 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3184 break;
3185 case STAT_ASSOC_FAIL:
3186 airo_print_dbg(devname, "association failed (reason: %d)",
3187 reason);
3188 break;
3189 case STAT_AUTH_FAIL:
3190 airo_print_dbg(devname, "authentication failed (reason: %d)",
3191 reason);
3192 break;
3193 default:
3194 break;
3195 }
3196}
3197
3198static void airo_handle_link(struct airo_info *ai)
3199{
3200 union iwreq_data wrqu;
3201 int scan_forceloss = 0;
1da177e4 3202 u16 status;
f55d4517
DW		 3203
3204 /* Get new status and acknowledge the link change */
3205 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3206 OUT4500(ai, EVACK, EV_LINK);
3207
3208 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3209 scan_forceloss = 1;
3210
3211 airo_print_status(ai->dev->name, status);
3212
3213 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3214 if (auto_wep)
3215 ai->expires = 0;
3216 if (ai->list_bss_task)
3217 wake_up_process(ai->list_bss_task);
3218 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3219 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3220
3221 if (down_trylock(&ai->sem) != 0) {
3222 set_bit(JOB_EVENT, &ai->jobs);
3223 wake_up_interruptible(&ai->thr_wait);
3224 } else
3225 airo_send_event(ai->dev);
3226 } else if (!scan_forceloss) {
3227 if (auto_wep && !ai->expires) {
3228 ai->expires = RUN_AT(3*HZ);
3229 wake_up_interruptible(&ai->thr_wait);
3230 }
3231
3232 /* Send event to user space */
3233 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3234 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3235 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3236 }
3237}
3238
3239static void airo_handle_rx(struct airo_info *ai)
3240{
3241 struct sk_buff *skb = NULL;
3242 __le16 fc, v, *buffer, tmpbuf[4];
3243 u16 len, hdrlen = 0, gap, fid;
3244 struct rx_hdr hdr;
3245 int success = 0;
3246
3247 if (test_bit(FLAG_MPI, &ai->flags)) {
3248 if (test_bit(FLAG_802_11, &ai->flags))
3249 mpi_receive_802_11(ai);
3250 else
3251 mpi_receive_802_3(ai);
3252 OUT4500(ai, EVACK, EV_RX);
3253 return;
3254 }
3255
3256 fid = IN4500(ai, RXFID);
3257
3258 /* Get the packet length */
3259 if (test_bit(FLAG_802_11, &ai->flags)) {
3260 bap_setup (ai, fid, 4, BAP0);
3261 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3262 /* Bad CRC. Ignore packet */
3263 if (le16_to_cpu(hdr.status) & 2)
3264 hdr.len = 0;
3265 if (ai->wifidev == NULL)
3266 hdr.len = 0;
3267 } else {
3268 bap_setup(ai, fid, 0x36, BAP0);
3269 bap_read(ai, &hdr.len, 2, BAP0);
3270 }
3271 len = le16_to_cpu(hdr.len);
3272
3273 if (len > AIRO_DEF_MTU) {
3274 airo_print_err(ai->dev->name, "Bad size %d", len);
3275 goto done;
3276 }
3277 if (len == 0)
3278 goto done;
3279
3280 if (test_bit(FLAG_802_11, &ai->flags)) {
3281 bap_read(ai, &fc, sizeof (fc), BAP0);
3282 hdrlen = header_len(fc);
3283 } else
3284 hdrlen = ETH_ALEN * 2;
3285
3286 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3287 if (!skb) {
3288 ai->dev->stats.rx_dropped++;
3289 goto done;
3290 }
3291
3292 skb_reserve(skb, 2); /* This way the IP header is aligned */
3293 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3294 if (test_bit(FLAG_802_11, &ai->flags)) {
3295 buffer[0] = fc;
3296 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3297 if (hdrlen == 24)
3298 bap_read(ai, tmpbuf, 6, BAP0);
3299
3300 bap_read(ai, &v, sizeof(v), BAP0);
3301 gap = le16_to_cpu(v);
3302 if (gap) {
3303 if (gap <= 8) {
3304 bap_read(ai, tmpbuf, gap, BAP0);
3305 } else {
3306 airo_print_err(ai->dev->name, "gaplen too "
3307 "big. Problems will follow...");
3308 }
3309 }
3310 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3311 } else {
3312 MICBuffer micbuf;
3313
3314 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3315 if (ai->micstats.enabled) {
3316 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3317 if (ntohs(micbuf.typelen) > 0x05DC)
3318 bap_setup(ai, fid, 0x44, BAP0);
3319 else {
3320 if (len <= sizeof (micbuf)) {
3321 dev_kfree_skb_irq(skb);
3322 goto done;
3323 }
3324
3325 len -= sizeof(micbuf);
3326 skb_trim(skb, len + hdrlen);
3327 }
3328 }
3329
3330 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3331 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3332 dev_kfree_skb_irq (skb);
3333 else
3334 success = 1;
3335 }
3336
3337#ifdef WIRELESS_SPY
3338 if (success && (ai->spy_data.spy_number > 0)) {
3339 char *sa;
3340 struct iw_quality wstats;
3341
3342 /* Prepare spy data : addr + qual */
3343 if (!test_bit(FLAG_802_11, &ai->flags)) {
3344 sa = (char *) buffer + 6;
3345 bap_setup(ai, fid, 8, BAP0);
3346 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3347 } else
3348 sa = (char *) buffer + 10;
3349 wstats.qual = hdr.rssi[0];
3350 if (ai->rssi)
3351 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3352 else
3353 wstats.level = (hdr.rssi[1] + 321) / 2;
3354 wstats.noise = ai->wstats.qual.noise;
3355 wstats.updated = IW_QUAL_LEVEL_UPDATED
3356 | IW_QUAL_QUAL_UPDATED
3357 | IW_QUAL_DBM;
3358 /* Update spy records */
3359 wireless_spy_update(ai->dev, sa, &wstats);
3360 }
3361#endif /* WIRELESS_SPY */
3362
3363done:
3364 OUT4500(ai, EVACK, EV_RX);
3365
3366 if (success) {
3367 if (test_bit(FLAG_802_11, &ai->flags)) {
3368 skb_reset_mac_header(skb);
3369 skb->pkt_type = PACKET_OTHERHOST;
3370 skb->dev = ai->wifidev;
3371 skb->protocol = htons(ETH_P_802_2);
3372 } else
3373 skb->protocol = eth_type_trans(skb, ai->dev);
3374 skb->ip_summed = CHECKSUM_NONE;
3375
3376 netif_rx(skb);
3377 }
3378}
3379
3380static void airo_handle_tx(struct airo_info *ai, u16 status)
3381{
3382 int i, len = 0, index = -1;
1da177e4 3383 u16 fid;
f55d4517
DW		 3384
3385 if (test_bit(FLAG_MPI, &ai->flags)) {
3386 unsigned long flags;
3387
3388 if (status & EV_TXEXC)
3389 get_tx_error(ai, -1);
3390
3391 spin_lock_irqsave(&ai->aux_lock, flags);
3392 if (!skb_queue_empty(&ai->txq)) {
3393 spin_unlock_irqrestore(&ai->aux_lock,flags);
3394 mpi_send_packet(ai->dev);
3395 } else {
3396 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3397 spin_unlock_irqrestore(&ai->aux_lock,flags);
3398 netif_wake_queue(ai->dev);
3399 }
3400 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3401 return;
3402 }
3403
3404 fid = IN4500(ai, TXCOMPLFID);
3405
3406 for(i = 0; i < MAX_FIDS; i++) {
3407 if ((ai->fids[i] & 0xffff) == fid) {
3408 len = ai->fids[i] >> 16;
3409 index = i;
3410 }
3411 }
3412
3413 if (index != -1) {
3414 if (status & EV_TXEXC)
3415 get_tx_error(ai, index);
3416
3417 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3418
3419 /* Set up to be used again */
3420 ai->fids[index] &= 0xffff;
3421 if (index < MAX_FIDS / 2) {
3422 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3423 netif_wake_queue(ai->dev);
3424 } else {
3425 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3426 netif_wake_queue(ai->wifidev);
3427 }
3428 } else {
3429 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3430 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3431 }
3432}
3433
3434static irqreturn_t airo_interrupt(int irq, void *dev_id)
3435{
3436 struct net_device *dev = dev_id;
3437 u16 status, savedInterrupts = 0;
3438 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 3439 int handled = 0;
3440
3441 if (!netif_device_present(dev))
3442 return IRQ_NONE;
3443
3444 for (;;) {
f55d4517
DW		 3445 status = IN4500(ai, EVSTAT);
3446 if (!(status & STATUS_INTS) || (status == 0xffff))
3447 break;
1da177e4
LT		 3448
3449 handled = 1;
3450
f55d4517
DW		 3451 if (status & EV_AWAKE) {
3452 OUT4500(ai, EVACK, EV_AWAKE);
3453 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT		 3454 }
3455
3456 if (!savedInterrupts) {
f55d4517
DW		 3457 savedInterrupts = IN4500(ai, EVINTEN);
3458 OUT4500(ai, EVINTEN, 0);
1da177e4
LT		 3459 }
3460
f55d4517
DW		 3461 if (status & EV_MIC) {
3462 OUT4500(ai, EVACK, EV_MIC);
3463 airo_handle_cisco_mic(ai);
1da177e4 3464 }
1da177e4 3465
f55d4517
DW		 3466 if (status & EV_LINK) {
3467 /* Link status changed */
3468 airo_handle_link(ai);
1da177e4
LT		 3469 }
3470
3471 /* Check to see if there is something to receive */
f55d4517
DW		 3472 if (status & EV_RX)
3473 airo_handle_rx(ai);
1da177e4
LT		 3474
3475 /* Check to see if a packet has been transmitted */
f55d4517
DW		 3476 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3477 airo_handle_tx(ai, status);
1da177e4 3478
f55d4517
DW		 3479 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3480 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3481 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3482 }
1da177e4
LT		 3483 }
3484
3485 if (savedInterrupts)
f55d4517 3486 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3487
1da177e4
LT		 3488 return IRQ_RETVAL(handled);
3489}
3490
3491/*
3492 * Routines to talk to the card
3493 */
3494
3495/*
3496 * This was originally written for the 4500, hence the name
3497 * NOTE: If use with 8bit mode and SMP bad things will happen!
3498 * Why would some one do 8 bit IO in an SMP machine?!?
3499 */
3500static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3501 if (test_bit(FLAG_MPI,&ai->flags))
3502 reg <<= 1;
3503 if ( !do8bitIO )
3504 outw( val, ai->dev->base_addr + reg );
3505 else {
3506 outb( val & 0xff, ai->dev->base_addr + reg );
3507 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3508 }
3509}
3510
3511static u16 IN4500( struct airo_info *ai, u16 reg ) {
3512 unsigned short rc;
3513
3514 if (test_bit(FLAG_MPI,&ai->flags))
3515 reg <<= 1;
3516 if ( !do8bitIO )
3517 rc = inw( ai->dev->base_addr + reg );
3518 else {
3519 rc = inb( ai->dev->base_addr + reg );
3520 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3521 }
3522 return rc;
3523}
3524
175ec1a1
MS		 3525static int enable_MAC(struct airo_info *ai, int lock)
3526{
1da177e4 3527 int rc;
175ec1a1
MS		 3528 Cmd cmd;
3529 Resp rsp;
1da177e4
LT		 3530
3531 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3532 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3533 * Note : we could try to use !netif_running(dev) in enable_MAC()
3534 * instead of this flag, but I don't trust it *within* the
3535 * open/close functions, and testing both flags together is
3536 * "cheaper" - Jean II */
3537 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3538
3539 if (lock && down_interruptible(&ai->sem))
3540 return -ERESTARTSYS;
3541
3542 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3543 memset(&cmd, 0, sizeof(cmd));
3544 cmd.cmd = MAC_ENABLE;
175ec1a1 3545 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3546 if (rc == SUCCESS)
3547 set_bit(FLAG_ENABLED, &ai->flags);
3548 } else
3549 rc = SUCCESS;
3550
3551 if (lock)
3552 up(&ai->sem);
3553
3554 if (rc)
175ec1a1
MS		 3555 airo_print_err(ai->dev->name, "Cannot enable MAC");
3556 else if ((rsp.status & 0xFF00) != 0) {
3557 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3558 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3559 rc = ERROR;
3560 }
1da177e4
LT		 3561 return rc;
3562}
3563
3564static void disable_MAC( struct airo_info *ai, int lock ) {
3565 Cmd cmd;
3566 Resp rsp;
3567
3568 if (lock && down_interruptible(&ai->sem))
3569 return;
3570
3571 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3572 memset(&cmd, 0, sizeof(cmd));
3573 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3574 issuecommand(ai, &cmd, &rsp);
3575 clear_bit(FLAG_ENABLED, &ai->flags);
3576 }
3577 if (lock)
3578 up(&ai->sem);
3579}
3580
3581static void enable_interrupts( struct airo_info *ai ) {
3582 /* Enable the interrupts */
3583 OUT4500( ai, EVINTEN, STATUS_INTS );
3584}
3585
3586static void disable_interrupts( struct airo_info *ai ) {
3587 OUT4500( ai, EVINTEN, 0 );
3588}
3589
3590static void mpi_receive_802_3(struct airo_info *ai)
3591{
3592 RxFid rxd;
3593 int len = 0;
3594 struct sk_buff *skb;
3595 char *buffer;
1da177e4
LT		 3596 int off = 0;
3597 MICBuffer micbuf;
1da177e4
LT		 3598
3599 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3600 /* Make sure we got something */
3601 if (rxd.rdy && rxd.valid == 0) {
3602 len = rxd.len + 12;
3603 if (len < 12 || len > 2048)
3604 goto badrx;
3605
3606 skb = dev_alloc_skb(len);
3607 if (!skb) {
5d9276da 3608 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3609 goto badrx;
3610 }
3611 buffer = skb_put(skb,len);
1da177e4
LT		 3612 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3613 if (ai->micstats.enabled) {
3614 memcpy(&micbuf,
3615 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3616 sizeof(micbuf));
3617 if (ntohs(micbuf.typelen) <= 0x05DC) {
3618 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3619 goto badmic;
3620
3621 off = sizeof(micbuf);
3622 skb_trim (skb, len - off);
3623 }
3624 }
3625 memcpy(buffer + ETH_ALEN * 2,
3626 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3627 len - ETH_ALEN * 2 - off);
3628 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3629badmic:
3630 dev_kfree_skb_irq (skb);
3631 goto badrx;
3632 }
1da177e4
LT		 3633#ifdef WIRELESS_SPY
3634 if (ai->spy_data.spy_number > 0) {
3635 char *sa;
3636 struct iw_quality wstats;
3637 /* Prepare spy data : addr + qual */
3638 sa = buffer + ETH_ALEN;
3639 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3640 wstats.level = 0;
3641 wstats.updated = 0;
3642 /* Update spy records */
3643 wireless_spy_update(ai->dev, sa, &wstats);
3644 }
3645#endif /* WIRELESS_SPY */
3646
1da177e4
LT		 3647 skb->ip_summed = CHECKSUM_NONE;
3648 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT		 3649 netif_rx(skb);
3650 }
3651badrx:
3652 if (rxd.valid == 0) {
3653 rxd.valid = 1;
3654 rxd.rdy = 0;
3655 rxd.len = PKTSIZE;
3656 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3657 }
3658}
3659
2ed5ba89 3660static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT		 3661{
3662 RxFid rxd;
3663 struct sk_buff *skb = NULL;
0300b332
AV		 3664 u16 len, hdrlen = 0;
3665 __le16 fc;
f55d4517 3666 struct rx_hdr hdr;
1da177e4
LT		 3667 u16 gap;
3668 u16 *buffer;
f55d4517 3669 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT		 3670
3671 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3672 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3673 ptr += sizeof(hdr);
3674 /* Bad CRC. Ignore packet */
3675 if (le16_to_cpu(hdr.status) & 2)
3676 hdr.len = 0;
3677 if (ai->wifidev == NULL)
3678 hdr.len = 0;
3679 len = le16_to_cpu(hdr.len);
15db2763 3680 if (len > AIRO_DEF_MTU) {
934d8bf1 3681 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3682 goto badrx;
3683 }
3684 if (len == 0)
3685 goto badrx;
3686
0300b332
AV		 3687 fc = get_unaligned((__le16 *)ptr);
3688 hdrlen = header_len(fc);
1da177e4
LT		 3689
3690 skb = dev_alloc_skb( len + hdrlen + 2 );
3691 if ( !skb ) {
5d9276da 3692 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3693 goto badrx;
3694 }
3695 buffer = (u16*)skb_put (skb, len + hdrlen);
3696 memcpy ((char *)buffer, ptr, hdrlen);
3697 ptr += hdrlen;
3698 if (hdrlen == 24)
3699 ptr += 6;
533dd1b0 3700 gap = get_unaligned_le16(ptr);
593c2b9c 3701 ptr += sizeof(__le16);
1da177e4
LT		 3702 if (gap) {
3703 if (gap <= 8)
3704 ptr += gap;
3705 else
934d8bf1
DW		 3706 airo_print_err(ai->dev->name,
3707 "gaplen too big. Problems will follow...");
1da177e4
LT		 3708 }
3709 memcpy ((char *)buffer + hdrlen, ptr, len);
3710 ptr += len;
3711#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3712 if (ai->spy_data.spy_number > 0) {
3713 char *sa;
3714 struct iw_quality wstats;
3715 /* Prepare spy data : addr + qual */
3716 sa = (char*)buffer + 10;
3717 wstats.qual = hdr.rssi[0];
3718 if (ai->rssi)
3719 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3720 else
3721 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3722 wstats.noise = ai->wstats.qual.noise;
3723 wstats.updated = IW_QUAL_QUAL_UPDATED
3724 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3725 | IW_QUAL_DBM;
1da177e4
LT		 3726 /* Update spy records */
3727 wireless_spy_update(ai->dev, sa, &wstats);
3728 }
3729#endif /* IW_WIRELESS_SPY */
459a98ed 3730 skb_reset_mac_header(skb);
1da177e4
LT		 3731 skb->pkt_type = PACKET_OTHERHOST;
3732 skb->dev = ai->wifidev;
3733 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT		 3734 skb->ip_summed = CHECKSUM_NONE;
3735 netif_rx( skb );
f55d4517 3736
1da177e4
LT		 3737badrx:
3738 if (rxd.valid == 0) {
3739 rxd.valid = 1;
3740 rxd.rdy = 0;
3741 rxd.len = PKTSIZE;
3742 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3743 }
3744}
3745
3746static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3747{
3748 Cmd cmd;
3749 Resp rsp;
3750 int status;
1da177e4 3751 SsidRid mySsid;
4293ea33 3752 __le16 lastindex;
1da177e4
LT		 3753 WepKeyRid wkr;
3754 int rc;
3755
3756 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3757 kfree (ai->flash);
3758 ai->flash = NULL;
1da177e4
LT		 3759
3760 /* The NOP is the first step in getting the card going */
3761 cmd.cmd = NOP;
3762 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3763 if (lock && down_interruptible(&ai->sem))
3764 return ERROR;
3765 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3766 if (lock)
3767 up(&ai->sem);
3768 return ERROR;
3769 }
3770 disable_MAC( ai, 0);
3771
3772 // Let's figure out if we need to use the AUX port
3773 if (!test_bit(FLAG_MPI,&ai->flags)) {
3774 cmd.cmd = CMD_ENABLEAUX;
3775 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3776 if (lock)
3777 up(&ai->sem);
934d8bf1 3778 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3779 return ERROR;
3780 }
3781 if (!aux_bap || rsp.status & 0xff00) {
3782 ai->bap_read = fast_bap_read;
934d8bf1 3783 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3784 } else {
3785 ai->bap_read = aux_bap_read;
934d8bf1 3786 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3787 }
3788 }
3789 if (lock)
3790 up(&ai->sem);
3791 if (ai->config.len == 0) {
49c4a5dc 3792 int i;
1da177e4
LT		 3793 tdsRssiRid rssi_rid;
3794 CapabilityRid cap_rid;
3795
b4558ea9
JJ		 3796 kfree(ai->APList);
3797 ai->APList = NULL;
3798 kfree(ai->SSID);
3799 ai->SSID = NULL;
1da177e4
LT		 3800 // general configuration (read/modify/write)
3801 status = readConfigRid(ai, lock);
3802 if ( status != SUCCESS ) return ERROR;
3803
3804 status = readCapabilityRid(ai, &cap_rid, lock);
3805 if ( status != SUCCESS ) return ERROR;
3806
3807 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3808 if ( status == SUCCESS ) {
3809 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3810 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3811 }
3812 else {
b4558ea9
JJ		 3813 kfree(ai->rssi);
3814 ai->rssi = NULL;
56d81bd3 3815 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3816 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3817 else
934d8bf1
DW		 3818 airo_print_warn(ai->dev->name, "unknown received signal "
3819 "level scale");
1da177e4
LT		 3820 }
3821 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3822 ai->config.authType = AUTH_OPEN;
3823 ai->config.modulation = MOD_CCK;
3824
56d81bd3 3825 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3826 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3827 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3828 ai->config.opmode |= MODE_MIC;
3829 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3830 }
1da177e4
LT		 3831
3832 /* Save off the MAC */
3833 for( i = 0; i < ETH_ALEN; i++ ) {
3834 mac[i] = ai->config.macAddr[i];
3835 }
3836
3837 /* Check to see if there are any insmod configured
3838 rates to add */
3839 if ( rates[0] ) {
1da177e4
LT		 3840 memset(ai->config.rates,0,sizeof(ai->config.rates));
3841 for( i = 0; i < 8 && rates[i]; i++ ) {
3842 ai->config.rates[i] = rates[i];
3843 }
3844 }
3845 if ( basic_rate > 0 ) {
1da177e4
LT		 3846 for( i = 0; i < 8; i++ ) {
3847 if ( ai->config.rates[i] == basic_rate ||
3848 !ai->config.rates ) {
3849 ai->config.rates[i] = basic_rate | 0x80;
3850 break;
3851 }
3852 }
3853 }
3854 set_bit (FLAG_COMMIT, &ai->flags);
3855 }
3856
3857 /* Setup the SSIDs if present */
3858 if ( ssids[0] ) {
3859 int i;
3860 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3861 size_t len = strlen(ssids[i]);
3862 if (len > 32)
3863 len = 32;
3864 mySsid.ssids[i].len = cpu_to_le16(len);
3865 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3866 }
0dd2212f 3867 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3868 }
3869
3870 status = writeConfigRid(ai, lock);
3871 if ( status != SUCCESS ) return ERROR;
3872
3873 /* Set up the SSID list */
3874 if ( ssids[0] ) {
3875 status = writeSsidRid(ai, &mySsid, lock);
3876 if ( status != SUCCESS ) return ERROR;
3877 }
3878
175ec1a1
MS		 3879 status = enable_MAC(ai, lock);
3880 if (status != SUCCESS)
1da177e4 3881 return ERROR;
1da177e4
LT		 3882
3883 /* Grab the initial wep key, we gotta save it for auto_wep */
3884 rc = readWepKeyRid(ai, &wkr, 1, lock);
3885 if (rc == SUCCESS) do {
3886 lastindex = wkr.kindex;
4293ea33 3887 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3888 ai->defindex = wkr.mac[0];
3889 }
3890 rc = readWepKeyRid(ai, &wkr, 0, lock);
3891 } while(lastindex != wkr.kindex);
3892
1c2b7db8 3893 try_auto_wep(ai);
1da177e4
LT		 3894
3895 return SUCCESS;
3896}
3897
3898static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3899 // Im really paranoid about letting it run forever!
3900 int max_tries = 600000;
3901
3902 if (IN4500(ai, EVSTAT) & EV_CMD)
3903 OUT4500(ai, EVACK, EV_CMD);
3904
3905 OUT4500(ai, PARAM0, pCmd->parm0);
3906 OUT4500(ai, PARAM1, pCmd->parm1);
3907 OUT4500(ai, PARAM2, pCmd->parm2);
3908 OUT4500(ai, COMMAND, pCmd->cmd);
3909
3910 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3911 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3912 // PC4500 didn't notice command, try again
3913 OUT4500(ai, COMMAND, pCmd->cmd);
3914 if (!in_atomic() && (max_tries & 255) == 0)
3915 schedule();
3916 }
3917
3918 if ( max_tries == -1 ) {
934d8bf1
DW		 3919 airo_print_err(ai->dev->name,
3920 "Max tries exceeded when issueing command");
1da177e4
LT		 3921 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3922 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3923 return ERROR;
3924 }
3925
3926 // command completed
3927 pRsp->status = IN4500(ai, STATUS);
3928 pRsp->rsp0 = IN4500(ai, RESP0);
3929 pRsp->rsp1 = IN4500(ai, RESP1);
3930 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3931 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3932 airo_print_err(ai->dev->name,
3933 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3934 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3935 pRsp->rsp2);
1da177e4
LT		 3936
3937 // clear stuck command busy if necessary
3938 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3939 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3940 }
3941 // acknowledge processing the status/response
3942 OUT4500(ai, EVACK, EV_CMD);
3943
3944 return SUCCESS;
3945}
3946
3947/* Sets up the bap to start exchange data. whichbap should
3948 * be one of the BAP0 or BAP1 defines. Locks should be held before
3949 * calling! */
3950static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3951{
3952 int timeout = 50;
3953 int max_tries = 3;
3954
3955 OUT4500(ai, SELECT0+whichbap, rid);
3956 OUT4500(ai, OFFSET0+whichbap, offset);
3957 while (1) {
3958 int status = IN4500(ai, OFFSET0+whichbap);
3959 if (status & BAP_BUSY) {
3960 /* This isn't really a timeout, but its kinda
3961 close */
3962 if (timeout--) {
3963 continue;
3964 }
3965 } else if ( status & BAP_ERR ) {
3966 /* invalid rid or offset */
934d8bf1 3967 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3968 status, whichbap );
3969 return ERROR;
3970 } else if (status & BAP_DONE) { // success
3971 return SUCCESS;
3972 }
3973 if ( !(max_tries--) ) {
934d8bf1 3974 airo_print_err(ai->dev->name,
1138c37b 3975 "BAP setup error too many retries\n");
1da177e4
LT		 3976 return ERROR;
3977 }
3978 // -- PC4500 missed it, try again
3979 OUT4500(ai, SELECT0+whichbap, rid);
3980 OUT4500(ai, OFFSET0+whichbap, offset);
3981 timeout = 50;
3982 }
3983}
3984
3985/* should only be called by aux_bap_read. This aux function and the
3986 following use concepts not documented in the developers guide. I
3987 got them from a patch given to my by Aironet */
3988static u16 aux_setup(struct airo_info *ai, u16 page,
3989 u16 offset, u16 *len)
3990{
3991 u16 next;
3992
3993 OUT4500(ai, AUXPAGE, page);
3994 OUT4500(ai, AUXOFF, 0);
3995 next = IN4500(ai, AUXDATA);
3996 *len = IN4500(ai, AUXDATA)&0xff;
3997 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3998 return next;
3999}
4000
4001/* requires call to bap_setup() first */
b8c06bc1 4002static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4003 int bytelen, int whichbap)
4004{
4005 u16 len;
4006 u16 page;
4007 u16 offset;
4008 u16 next;
4009 int words;
4010 int i;
4011 unsigned long flags;
4012
4013 spin_lock_irqsave(&ai->aux_lock, flags);
4014 page = IN4500(ai, SWS0+whichbap);
4015 offset = IN4500(ai, SWS2+whichbap);
4016 next = aux_setup(ai, page, offset, &len);
4017 words = (bytelen+1)>>1;
4018
4019 for (i=0; i<words;) {
4020 int count;
4021 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4022 if ( !do8bitIO )
4023 insw( ai->dev->base_addr+DATA0+whichbap,
4024 pu16Dst+i,count );
4025 else
4026 insb( ai->dev->base_addr+DATA0+whichbap,
4027 pu16Dst+i, count << 1 );
4028 i += count;
4029 if (i<words) {
4030 next = aux_setup(ai, next, 4, &len);
4031 }
4032 }
4033 spin_unlock_irqrestore(&ai->aux_lock, flags);
4034 return SUCCESS;
4035}
4036
4037
4038/* requires call to bap_setup() first */
b8c06bc1 4039static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4040 int bytelen, int whichbap)
4041{
4042 bytelen = (bytelen + 1) & (~1); // round up to even value
4043 if ( !do8bitIO )
4044 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4045 else
4046 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4047 return SUCCESS;
4048}
4049
4050/* requires call to bap_setup() first */
b8c06bc1 4051static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4052 int bytelen, int whichbap)
4053{
4054 bytelen = (bytelen + 1) & (~1); // round up to even value
4055 if ( !do8bitIO )
4056 outsw( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Src, bytelen>>1 );
4058 else
4059 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4060 return SUCCESS;
4061}
4062
4063static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4064{
4065 Cmd cmd; /* for issuing commands */
4066 Resp rsp; /* response from commands */
4067 u16 status;
4068
4069 memset(&cmd, 0, sizeof(cmd));
4070 cmd.cmd = accmd;
4071 cmd.parm0 = rid;
4072 status = issuecommand(ai, &cmd, &rsp);
4073 if (status != 0) return status;
4074 if ( (rsp.status & 0x7F00) != 0) {
4075 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4076 }
4077 return 0;
4078}
4079
4080/* Note, that we are using BAP1 which is also used by transmit, so
4081 * we must get a lock. */
4082static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4083{
4084 u16 status;
4085 int rc = SUCCESS;
4086
4087 if (lock) {
4088 if (down_interruptible(&ai->sem))
4089 return ERROR;
4090 }
4091 if (test_bit(FLAG_MPI,&ai->flags)) {
4092 Cmd cmd;
4093 Resp rsp;
4094
4095 memset(&cmd, 0, sizeof(cmd));
4096 memset(&rsp, 0, sizeof(rsp));
4097 ai->config_desc.rid_desc.valid = 1;
4098 ai->config_desc.rid_desc.len = RIDSIZE;
4099 ai->config_desc.rid_desc.rid = 0;
4100 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4101
4102 cmd.cmd = CMD_ACCESS;
4103 cmd.parm0 = rid;
4104
4105 memcpy_toio(ai->config_desc.card_ram_off,
4106 &ai->config_desc.rid_desc, sizeof(Rid));
4107
4108 rc = issuecommand(ai, &cmd, &rsp);
4109
4110 if (rsp.status & 0x7f00)
4111 rc = rsp.rsp0;
4112 if (!rc)
4113 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4114 goto done;
4115 } else {
4116 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4117 rc = status;
4118 goto done;
4119 }
4120 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4121 rc = ERROR;
4122 goto done;
4123 }
4124 // read the rid length field
4125 bap_read(ai, pBuf, 2, BAP1);
4126 // length for remaining part of rid
593c2b9c 4127 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4128
4129 if ( len <= 2 ) {
934d8bf1
DW		 4130 airo_print_err(ai->dev->name,
4131 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4132 (int)rid, (int)len );
4133 rc = ERROR;
4134 goto done;
4135 }
4136 // read remainder of the rid
b8c06bc1 4137 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4138 }
4139done:
4140 if (lock)
4141 up(&ai->sem);
4142 return rc;
4143}
4144
4145/* Note, that we are using BAP1 which is also used by transmit, so
4146 * make sure this isnt called when a transmit is happening */
4147static int PC4500_writerid(struct airo_info *ai, u16 rid,
4148 const void *pBuf, int len, int lock)
4149{
4150 u16 status;
4151 int rc = SUCCESS;
4152
593c2b9c 4153 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4154
4155 if (lock) {
4156 if (down_interruptible(&ai->sem))
4157 return ERROR;
4158 }
4159 if (test_bit(FLAG_MPI,&ai->flags)) {
4160 Cmd cmd;
4161 Resp rsp;
4162
f89b2321 4163 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4164 airo_print_err(ai->dev->name,
4165 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4166 __func__, rid);
1da177e4
LT		 4167 memset(&cmd, 0, sizeof(cmd));
4168 memset(&rsp, 0, sizeof(rsp));
4169
4170 ai->config_desc.rid_desc.valid = 1;
4171 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4172 ai->config_desc.rid_desc.rid = 0;
4173
4174 cmd.cmd = CMD_WRITERID;
4175 cmd.parm0 = rid;
4176
4177 memcpy_toio(ai->config_desc.card_ram_off,
4178 &ai->config_desc.rid_desc, sizeof(Rid));
4179
4180 if (len < 4 || len > 2047) {
c94c93da 4181 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT		 4182 rc = -1;
4183 } else {
4184 memcpy((char *)ai->config_desc.virtual_host_addr,
4185 pBuf, len);
4186
4187 rc = issuecommand(ai, &cmd, &rsp);
4188 if ((rc & 0xff00) != 0) {
934d8bf1 4189 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4190 __func__, rc);
934d8bf1 4191 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4192 __func__, cmd.cmd);
1da177e4
LT		 4193 }
4194
4195 if ((rsp.status & 0x7f00))
4196 rc = rsp.rsp0;
4197 }
4198 } else {
4199 // --- first access so that we can write the rid data
4200 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4201 rc = status;
4202 goto done;
4203 }
4204 // --- now write the rid data
4205 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4206 rc = ERROR;
4207 goto done;
4208 }
4209 bap_write(ai, pBuf, len, BAP1);
4210 // ---now commit the rid data
4211 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4212 }
4213done:
4214 if (lock)
4215 up(&ai->sem);
4216 return rc;
4217}
4218
4219/* Allocates a FID to be used for transmitting packets. We only use
4220 one for now. */
4221static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4222{
4223 unsigned int loop = 3000;
4224 Cmd cmd;
4225 Resp rsp;
4226 u16 txFid;
593c2b9c 4227 __le16 txControl;
1da177e4
LT		 4228
4229 cmd.cmd = CMD_ALLOCATETX;
4230 cmd.parm0 = lenPayload;
4231 if (down_interruptible(&ai->sem))
4232 return ERROR;
4233 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4234 txFid = ERROR;
4235 goto done;
4236 }
4237 if ( (rsp.status & 0xFF00) != 0) {
4238 txFid = ERROR;
4239 goto done;
4240 }
4241 /* wait for the allocate event/indication
4242 * It makes me kind of nervous that this can just sit here and spin,
4243 * but in practice it only loops like four times. */
4244 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4245 if (!loop) {
4246 txFid = ERROR;
4247 goto done;
4248 }
4249
4250 // get the allocated fid and acknowledge
4251 txFid = IN4500(ai, TXALLOCFID);
4252 OUT4500(ai, EVACK, EV_ALLOC);
4253
4254 /* The CARD is pretty cool since it converts the ethernet packet
4255 * into 802.11. Also note that we don't release the FID since we
4256 * will be using the same one over and over again. */
4257 /* We only have to setup the control once since we are not
4258 * releasing the fid. */
4259 if (raw)
4260 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4261 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4262 else
4263 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4264 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4265 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4266 txFid = ERROR;
4267 else
4268 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4269
4270done:
4271 up(&ai->sem);
4272
4273 return txFid;
4274}
4275
4276/* In general BAP1 is dedicated to transmiting packets. However,
4277 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4278 Make sure the BAP1 spinlock is held when this is called. */
4279static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4280{
593c2b9c 4281 __le16 payloadLen;
1da177e4
LT		 4282 Cmd cmd;
4283 Resp rsp;
4284 int miclen = 0;
4285 u16 txFid = len;
4286 MICBuffer pMic;
4287
4288 len >>= 16;
4289
4290 if (len <= ETH_ALEN * 2) {
934d8bf1 4291 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4292 return ERROR;
4293 }
4294 len -= ETH_ALEN * 2;
4295
1da177e4 4296 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4297 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4298 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4299 return ERROR;
4300 miclen = sizeof(pMic);
4301 }
1da177e4
LT		 4302 // packet is destination[6], source[6], payload[len-12]
4303 // write the payload length and dst/src/payload
4304 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4305 /* The hardware addresses aren't counted as part of the payload, so
4306 * we have to subtract the 12 bytes for the addresses off */
4307 payloadLen = cpu_to_le16(len + miclen);
4308 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4309 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4310 if (miclen)
b8c06bc1
AV		 4311 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4312 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4313 // issue the transmit command
4314 memset( &cmd, 0, sizeof( cmd ) );
4315 cmd.cmd = CMD_TRANSMIT;
4316 cmd.parm0 = txFid;
4317 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4318 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4319 return SUCCESS;
4320}
4321
4322static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4323{
593c2b9c 4324 __le16 fc, payloadLen;
1da177e4
LT		 4325 Cmd cmd;
4326 Resp rsp;
4327 int hdrlen;
977b143c
AV		 4328 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4329 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4330 u16 txFid = len;
4331 len >>= 16;
1da177e4 4332
0300b332
AV		 4333 fc = *(__le16*)pPacket;
4334 hdrlen = header_len(fc);
1da177e4
LT		 4335
4336 if (len < hdrlen) {
934d8bf1 4337 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4338 return ERROR;
4339 }
4340
4341 /* packet is 802.11 header + payload
4342 * write the payload length and dst/src/payload */
4343 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4344 /* The 802.11 header aren't counted as part of the payload, so
4345 * we have to subtract the header bytes off */
4346 payloadLen = cpu_to_le16(len-hdrlen);
4347 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4348 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4349 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4350 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4351
b8c06bc1 4352 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4353 // issue the transmit command
4354 memset( &cmd, 0, sizeof( cmd ) );
4355 cmd.cmd = CMD_TRANSMIT;
4356 cmd.parm0 = txFid;
4357 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4358 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4359 return SUCCESS;
4360}
4361
4362/*
4363 * This is the proc_fs routines. It is a bit messier than I would
4364 * like! Feel free to clean it up!
4365 */
4366
4367static ssize_t proc_read( struct file *file,
4368 char __user *buffer,
4369 size_t len,
4370 loff_t *offset);
4371
4372static ssize_t proc_write( struct file *file,
4373 const char __user *buffer,
4374 size_t len,
4375 loff_t *offset );
4376static int proc_close( struct inode *inode, struct file *file );
4377
4378static int proc_stats_open( struct inode *inode, struct file *file );
4379static int proc_statsdelta_open( struct inode *inode, struct file *file );
4380static int proc_status_open( struct inode *inode, struct file *file );
4381static int proc_SSID_open( struct inode *inode, struct file *file );
4382static int proc_APList_open( struct inode *inode, struct file *file );
4383static int proc_BSSList_open( struct inode *inode, struct file *file );
4384static int proc_config_open( struct inode *inode, struct file *file );
4385static int proc_wepkey_open( struct inode *inode, struct file *file );
4386
d54b1fdb 4387static const struct file_operations proc_statsdelta_ops = {
a95609cb 4388 .owner = THIS_MODULE,
1da177e4
LT		 4389 .read = proc_read,
4390 .open = proc_statsdelta_open,
4391 .release = proc_close
4392};
4393
d54b1fdb 4394static const struct file_operations proc_stats_ops = {
a95609cb 4395 .owner = THIS_MODULE,
1da177e4
LT		 4396 .read = proc_read,
4397 .open = proc_stats_open,
4398 .release = proc_close
4399};
4400
d54b1fdb 4401static const struct file_operations proc_status_ops = {
a95609cb 4402 .owner = THIS_MODULE,
1da177e4
LT		 4403 .read = proc_read,
4404 .open = proc_status_open,
4405 .release = proc_close
4406};
4407
d54b1fdb 4408static const struct file_operations proc_SSID_ops = {
a95609cb 4409 .owner = THIS_MODULE,
1da177e4
LT		 4410 .read = proc_read,
4411 .write = proc_write,
4412 .open = proc_SSID_open,
4413 .release = proc_close
4414};
4415
d54b1fdb 4416static const struct file_operations proc_BSSList_ops = {
a95609cb 4417 .owner = THIS_MODULE,
1da177e4
LT		 4418 .read = proc_read,
4419 .write = proc_write,
4420 .open = proc_BSSList_open,
4421 .release = proc_close
4422};
4423
d54b1fdb 4424static const struct file_operations proc_APList_ops = {
a95609cb 4425 .owner = THIS_MODULE,
1da177e4
LT		 4426 .read = proc_read,
4427 .write = proc_write,
4428 .open = proc_APList_open,
4429 .release = proc_close
4430};
4431
d54b1fdb 4432static const struct file_operations proc_config_ops = {
a95609cb 4433 .owner = THIS_MODULE,
1da177e4
LT		 4434 .read = proc_read,
4435 .write = proc_write,
4436 .open = proc_config_open,
4437 .release = proc_close
4438};
4439
d54b1fdb 4440static const struct file_operations proc_wepkey_ops = {
a95609cb 4441 .owner = THIS_MODULE,
1da177e4
LT		 4442 .read = proc_read,
4443 .write = proc_write,
4444 .open = proc_wepkey_open,
4445 .release = proc_close
4446};
4447
4448static struct proc_dir_entry *airo_entry;
4449
4450struct proc_data {
4451 int release_buffer;
4452 int readlen;
4453 char *rbuffer;
4454 int writelen;
4455 int maxwritelen;
4456 char *wbuffer;
4457 void (*on_close) (struct inode *, struct file *);
4458};
4459
1da177e4
LT		 4460static int setup_proc_entry( struct net_device *dev,
4461 struct airo_info *apriv ) {
4462 struct proc_dir_entry *entry;
4463 /* First setup the device directory */
4464 strcpy(apriv->proc_name,dev->name);
4465 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4466 S_IFDIR|airo_perm,
4467 airo_entry);
431aca5a
FM		 4468 if (!apriv->proc_entry)
4469 goto fail;
4470 apriv->proc_entry->uid = proc_uid;
4471 apriv->proc_entry->gid = proc_gid;
4472 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4473
4474 /* Setup the StatsDelta */
a95609cb
DL		 4475 entry = proc_create_data("StatsDelta",
4476 S_IFREG | (S_IRUGO&proc_perm),
4477 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4478 if (!entry)
4479 goto fail_stats_delta;
4480 entry->uid = proc_uid;
4481 entry->gid = proc_gid;
1da177e4
LT		 4482
4483 /* Setup the Stats */
a95609cb
DL		 4484 entry = proc_create_data("Stats",
4485 S_IFREG | (S_IRUGO&proc_perm),
4486 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4487 if (!entry)
4488 goto fail_stats;
4489 entry->uid = proc_uid;
4490 entry->gid = proc_gid;
1da177e4
LT		 4491
4492 /* Setup the Status */
a95609cb
DL		 4493 entry = proc_create_data("Status",
4494 S_IFREG | (S_IRUGO&proc_perm),
4495 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4496 if (!entry)
4497 goto fail_status;
4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
1da177e4
LT		 4500
4501 /* Setup the Config */
a95609cb
DL		 4502 entry = proc_create_data("Config",
4503 S_IFREG | proc_perm,
4504 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4505 if (!entry)
4506 goto fail_config;
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
1da177e4
LT		 4509
4510 /* Setup the SSID */
a95609cb
DL		 4511 entry = proc_create_data("SSID",
4512 S_IFREG | proc_perm,
4513 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4514 if (!entry)
4515 goto fail_ssid;
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
1da177e4
LT		 4518
4519 /* Setup the APList */
a95609cb
DL		 4520 entry = proc_create_data("APList",
4521 S_IFREG | proc_perm,
4522 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4523 if (!entry)
4524 goto fail_aplist;
4525 entry->uid = proc_uid;
4526 entry->gid = proc_gid;
1da177e4
LT		 4527
4528 /* Setup the BSSList */
a95609cb
DL		 4529 entry = proc_create_data("BSSList",
4530 S_IFREG | proc_perm,
4531 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4532 if (!entry)
4533 goto fail_bsslist;
1da177e4
LT		 4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
1da177e4
LT		 4536
4537 /* Setup the WepKey */
a95609cb
DL		 4538 entry = proc_create_data("WepKey",
4539 S_IFREG | proc_perm,
4540 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4541 if (!entry)
4542 goto fail_wepkey;
4543 entry->uid = proc_uid;
4544 entry->gid = proc_gid;
1da177e4
LT		 4545
4546 return 0;
431aca5a
FM		 4547
4548fail_wepkey:
4549 remove_proc_entry("BSSList", apriv->proc_entry);
4550fail_bsslist:
4551 remove_proc_entry("APList", apriv->proc_entry);
4552fail_aplist:
4553 remove_proc_entry("SSID", apriv->proc_entry);
4554fail_ssid:
4555 remove_proc_entry("Config", apriv->proc_entry);
4556fail_config:
4557 remove_proc_entry("Status", apriv->proc_entry);
4558fail_status:
4559 remove_proc_entry("Stats", apriv->proc_entry);
4560fail_stats:
4561 remove_proc_entry("StatsDelta", apriv->proc_entry);
4562fail_stats_delta:
4563 remove_proc_entry(apriv->proc_name, airo_entry);
4564fail:
4565 return -ENOMEM;
1da177e4
LT		 4566}
4567
4568static int takedown_proc_entry( struct net_device *dev,
4569 struct airo_info *apriv ) {
4570 if ( !apriv->proc_entry->namelen ) return 0;
4571 remove_proc_entry("Stats",apriv->proc_entry);
4572 remove_proc_entry("StatsDelta",apriv->proc_entry);
4573 remove_proc_entry("Status",apriv->proc_entry);
4574 remove_proc_entry("Config",apriv->proc_entry);
4575 remove_proc_entry("SSID",apriv->proc_entry);
4576 remove_proc_entry("APList",apriv->proc_entry);
4577 remove_proc_entry("BSSList",apriv->proc_entry);
4578 remove_proc_entry("WepKey",apriv->proc_entry);
4579 remove_proc_entry(apriv->proc_name,airo_entry);
4580 return 0;
4581}
4582
4583/*
4584 * What we want from the proc_fs is to be able to efficiently read
4585 * and write the configuration. To do this, we want to read the
4586 * configuration when the file is opened and write it when the file is
4587 * closed. So basically we allocate a read buffer at open and fill it
4588 * with data, and allocate a write buffer and read it at close.
4589 */
4590
4591/*
4592 * The read routine is generic, it relies on the preallocated rbuffer
4593 * to supply the data.
4594 */
4595static ssize_t proc_read( struct file *file,
4596 char __user *buffer,
4597 size_t len,
4598 loff_t *offset )
4599{
cc0d9ff2 4600 struct proc_data *priv = file->private_data;
1da177e4
LT		 4601
4602 if (!priv->rbuffer)
4603 return -EINVAL;
4604
cc0d9ff2
AM		 4605 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4606 priv->readlen);
1da177e4
LT		 4607}
4608
4609/*
4610 * The write routine is generic, it fills in a preallocated rbuffer
4611 * to supply the data.
4612 */
4613static ssize_t proc_write( struct file *file,
4614 const char __user *buffer,
4615 size_t len,
4616 loff_t *offset )
4617{
4618 loff_t pos = *offset;
4619 struct proc_data *priv = (struct proc_data*)file->private_data;
4620
4621 if (!priv->wbuffer)
4622 return -EINVAL;
4623
4624 if (pos < 0)
4625 return -EINVAL;
4626 if (pos >= priv->maxwritelen)
4627 return 0;
4628 if (len > priv->maxwritelen - pos)
4629 len = priv->maxwritelen - pos;
4630 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4631 return -EFAULT;
4632 if ( pos + len > priv->writelen )
4633 priv->writelen = len + file->f_pos;
4634 *offset = pos + len;
4635 return len;
4636}
4637
329e2c00
AV		 4638static int proc_status_open(struct inode *inode, struct file *file)
4639{
1da177e4
LT		 4640 struct proc_data *data;
4641 struct proc_dir_entry *dp = PDE(inode);
4642 struct net_device *dev = dp->data;
faf3994a 4643 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4644 CapabilityRid cap_rid;
4645 StatusRid status_rid;
329e2c00 4646 u16 mode;
1da177e4
LT		 4647 int i;
4648
b69a3aa8 4649 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4650 return -ENOMEM;
1da177e4
LT		 4651 data = (struct proc_data *)file->private_data;
4652 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4653 kfree (file->private_data);
4654 return -ENOMEM;
4655 }
4656
4657 readStatusRid(apriv, &status_rid, 1);
4658 readCapabilityRid(apriv, &cap_rid, 1);
4659
329e2c00
AV		 4660 mode = le16_to_cpu(status_rid.mode);
4661
1da177e4 4662 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4663 mode & 1 ? "CFG ": "",
4664 mode & 2 ? "ACT ": "",
4665 mode & 0x10 ? "SYN ": "",
4666 mode & 0x20 ? "LNK ": "",
4667 mode & 0x40 ? "LEAP ": "",
4668 mode & 0x80 ? "PRIV ": "",
4669 mode & 0x100 ? "KEY ": "",
4670 mode & 0x200 ? "WEP ": "",
4671 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4672 sprintf( data->rbuffer+i, "Mode: %x\n"
4673 "Signal Strength: %d\n"
4674 "Signal Quality: %d\n"
4675 "SSID: %-.*s\n"
4676 "AP: %-.16s\n"
4677 "Freq: %d\n"
4678 "BitRate: %dmbs\n"
4679 "Driver Version: %s\n"
4680 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4681 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4682 "Software Version: %x\nSoftware Subversion: %x\n"
4683 "Boot block version: %x\n",
329e2c00
AV		 4684 le16_to_cpu(status_rid.mode),
4685 le16_to_cpu(status_rid.normalizedSignalStrength),
4686 le16_to_cpu(status_rid.signalQuality),
4687 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4688 status_rid.SSID,
4689 status_rid.apName,
329e2c00
AV		 4690 le16_to_cpu(status_rid.channel),
4691 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4692 version,
4693 cap_rid.prodName,
4694 cap_rid.manName,
4695 cap_rid.prodVer,
56d81bd3
AV		 4696 le16_to_cpu(cap_rid.radioType),
4697 le16_to_cpu(cap_rid.country),
4698 le16_to_cpu(cap_rid.hardVer),
4699 le16_to_cpu(cap_rid.softVer),
4700 le16_to_cpu(cap_rid.softSubVer),
4701 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4702 data->readlen = strlen( data->rbuffer );
4703 return 0;
4704}
4705
4706static int proc_stats_rid_open(struct inode*, struct file*, u16);
4707static int proc_statsdelta_open( struct inode *inode,
4708 struct file *file ) {
4709 if (file->f_mode&FMODE_WRITE) {
4710 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4711 }
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4713}
4714
4715static int proc_stats_open( struct inode *inode, struct file *file ) {
4716 return proc_stats_rid_open(inode, file, RID_STATS);
4717}
4718
4719static int proc_stats_rid_open( struct inode *inode,
4720 struct file *file,
a23ace5f
AV		 4721 u16 rid )
4722{
1da177e4
LT		 4723 struct proc_data *data;
4724 struct proc_dir_entry *dp = PDE(inode);
4725 struct net_device *dev = dp->data;
faf3994a 4726 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4727 StatsRid stats;
4728 int i, j;
a23ace5f
AV		 4729 __le32 *vals = stats.vals;
4730 int len = le16_to_cpu(stats.len);
1da177e4 4731
b69a3aa8 4732 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4733 return -ENOMEM;
1da177e4
LT		 4734 data = (struct proc_data *)file->private_data;
4735 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4736 kfree (file->private_data);
4737 return -ENOMEM;
4738 }
4739
4740 readStatsRid(apriv, &stats, rid, 1);
4741
4742 j = 0;
a23ace5f 4743 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4744 if (!statsLabels[i]) continue;
4745 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4746 airo_print_warn(apriv->dev->name,
4747 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4748 break;
4749 }
a23ace5f
AV		 4750 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4751 le32_to_cpu(vals[i]));
1da177e4 4752 }
a23ace5f 4753 if (i*4 >= len) {
934d8bf1 4754 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4755 }
4756 data->readlen = j;
4757 return 0;
4758}
4759
4760static int get_dec_u16( char *buffer, int *start, int limit ) {
4761 u16 value;
4762 int valid = 0;
4763 for( value = 0; buffer[*start] >= '0' &&
4764 buffer[*start] <= '9' &&
4765 *start < limit; (*start)++ ) {
4766 valid = 1;
4767 value *= 10;
4768 value += buffer[*start] - '0';
4769 }
4770 if ( !valid ) return -1;
4771 return value;
4772}
4773
4774static int airo_config_commit(struct net_device *dev,
4775 struct iw_request_info *info, void *zwrq,
4776 char *extra);
4777
3eb9b41f
AV		 4778static inline int sniffing_mode(struct airo_info *ai)
4779{
4780 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4781 le16_to_cpu(RXMODE_RFMON);
4782}
4783
4784static void proc_config_on_close(struct inode *inode, struct file *file)
4785{
1da177e4
LT		 4786 struct proc_data *data = file->private_data;
4787 struct proc_dir_entry *dp = PDE(inode);
4788 struct net_device *dev = dp->data;
faf3994a 4789 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 4790 char *line;
4791
4792 if ( !data->writelen ) return;
4793
4794 readConfigRid(ai, 1);
4795 set_bit (FLAG_COMMIT, &ai->flags);
4796
4797 line = data->wbuffer;
4798 while( line[0] ) {
4799/*** Mode processing */
4800 if ( !strncmp( line, "Mode: ", 6 ) ) {
4801 line += 6;
3eb9b41f
AV		 4802 if (sniffing_mode(ai))
4803 set_bit (FLAG_RESET, &ai->flags);
4804 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4805 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4806 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4807 ai->config.scanMode = SCANMODE_ACTIVE;
4808 if ( line[0] == 'a' ) {
3eb9b41f 4809 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4810 } else {
3eb9b41f 4811 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4812 if ( line[0] == 'r' ) {
4813 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4814 ai->config.scanMode = SCANMODE_PASSIVE;
4815 set_bit (FLAG_802_11, &ai->flags);
4816 } else if ( line[0] == 'y' ) {
4817 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4818 ai->config.scanMode = SCANMODE_PASSIVE;
4819 set_bit (FLAG_802_11, &ai->flags);
4820 } else if ( line[0] == 'l' )
4821 ai->config.rmode |= RXMODE_LANMON;
4822 }
4823 set_bit (FLAG_COMMIT, &ai->flags);
4824 }
4825
4826/*** Radio status */
4827 else if (!strncmp(line,"Radio: ", 7)) {
4828 line += 7;
4829 if (!strncmp(line,"off",3)) {
4830 set_bit (FLAG_RADIO_OFF, &ai->flags);
4831 } else {
4832 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4833 }
4834 }
4835/*** NodeName processing */
4836 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4837 int j;
4838
4839 line += 10;
4840 memset( ai->config.nodeName, 0, 16 );
4841/* Do the name, assume a space between the mode and node name */
4842 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4843 ai->config.nodeName[j] = line[j];
4844 }
4845 set_bit (FLAG_COMMIT, &ai->flags);
4846 }
4847
4848/*** PowerMode processing */
4849 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4850 line += 11;
4851 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4852 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4853 set_bit (FLAG_COMMIT, &ai->flags);
4854 } else if ( !strncmp( line, "PSP", 3 ) ) {
4855 ai->config.powerSaveMode = POWERSAVE_PSP;
4856 set_bit (FLAG_COMMIT, &ai->flags);
4857 } else {
4858 ai->config.powerSaveMode = POWERSAVE_CAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 }
4861 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4862 int v, i = 0, k = 0; /* i is index into line,
4863 k is index to rates */
4864
4865 line += 11;
4866 while((v = get_dec_u16(line, &i, 3))!=-1) {
4867 ai->config.rates[k++] = (u8)v;
4868 line += i + 1;
4869 i = 0;
4870 }
4871 set_bit (FLAG_COMMIT, &ai->flags);
4872 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4873 int v, i = 0;
4874 line += 9;
4875 v = get_dec_u16(line, &i, i+3);
4876 if ( v != -1 ) {
3eb9b41f 4877 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 }
4880 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4881 int v, i = 0;
4882 line += 11;
4883 v = get_dec_u16(line, &i, i+3);
4884 if ( v != -1 ) {
3eb9b41f 4885 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 }
4888 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4889 line += 5;
4890 switch( line[0] ) {
4891 case 's':
3eb9b41f 4892 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4893 break;
4894 case 'e':
3eb9b41f 4895 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4896 break;
4897 default:
3eb9b41f 4898 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4899 break;
4900 }
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4903 int v, i = 0;
4904
4905 line += 16;
4906 v = get_dec_u16(line, &i, 3);
4907 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4908 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4911 int v, i = 0;
4912
4913 line += 17;
4914 v = get_dec_u16(line, &i, 3);
4915 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4916 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4919 int v, i = 0;
4920
4921 line += 14;
4922 v = get_dec_u16(line, &i, 4);
15db2763 4923 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4924 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4927 int v, i = 0;
4928
4929 line += 16;
4930 v = get_dec_u16(line, &i, 5);
4931 v = (v<0) ? 0 : v;
3eb9b41f 4932 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4935 int v, i = 0;
4936
4937 line += 16;
4938 v = get_dec_u16(line, &i, 5);
4939 v = (v<0) ? 0 : v;
3eb9b41f 4940 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4943 ai->config.txDiversity =
4944 (line[13]=='l') ? 1 :
4945 ((line[13]=='r')? 2: 3);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4948 ai->config.rxDiversity =
4949 (line[13]=='l') ? 1 :
4950 ((line[13]=='r')? 2: 3);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4953 int v, i = 0;
4954
4955 line += 15;
4956 v = get_dec_u16(line, &i, 4);
15db2763 4957 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4958 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4959 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if (!strncmp(line, "Modulation: ", 12)) {
4962 line += 12;
4963 switch(*line) {
4964 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4966 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4967 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4968 }
4969 } else if (!strncmp(line, "Preamble: ", 10)) {
4970 line += 10;
4971 switch(*line) {
4972 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4974 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4975 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 4976 }
4977 } else {
934d8bf1 4978 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 4979 }
4980 while( line[0] && line[0] != '\n' ) line++;
4981 if ( line[0] ) line++;
4982 }
4983 airo_config_commit(dev, NULL, NULL, NULL);
4984}
4985
3eb9b41f
AV		 4986static char *get_rmode(__le16 mode)
4987{
4988 switch(mode & RXMODE_MASK) {
1da177e4
LT		 4989 case RXMODE_RFMON: return "rfmon";
4990 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4991 case RXMODE_LANMON: return "lanmon";
4992 }
4993 return "ESS";
4994}
4995
3eb9b41f
AV		 4996static int proc_config_open(struct inode *inode, struct file *file)
4997{
1da177e4
LT		 4998 struct proc_data *data;
4999 struct proc_dir_entry *dp = PDE(inode);
5000 struct net_device *dev = dp->data;
faf3994a 5001 struct airo_info *ai = dev->ml_priv;
1da177e4 5002 int i;
3eb9b41f 5003 __le16 mode;
1da177e4 5004
b69a3aa8 5005 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5006 return -ENOMEM;
1da177e4
LT		 5007 data = (struct proc_data *)file->private_data;
5008 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5009 kfree (file->private_data);
5010 return -ENOMEM;
5011 }
b69a3aa8 5012 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5013 kfree (data->rbuffer);
5014 kfree (file->private_data);
5015 return -ENOMEM;
5016 }
1da177e4
LT		 5017 data->maxwritelen = 2048;
5018 data->on_close = proc_config_on_close;
5019
5020 readConfigRid(ai, 1);
5021
3eb9b41f 5022 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 5023 i = sprintf( data->rbuffer,
5024 "Mode: %s\n"
5025 "Radio: %s\n"
5026 "NodeName: %-16s\n"
5027 "PowerMode: %s\n"
5028 "DataRates: %d %d %d %d %d %d %d %d\n"
5029 "Channel: %d\n"
5030 "XmitPower: %d\n",
3eb9b41f
AV		 5031 mode == MODE_STA_IBSS ? "adhoc" :
5032 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5033 mode == MODE_AP ? "AP" :
5034 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5035 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5036 ai->config.nodeName,
3eb9b41f
AV		 5037 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5038 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5039 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5040 "Error",
1da177e4
LT		 5041 (int)ai->config.rates[0],
5042 (int)ai->config.rates[1],
5043 (int)ai->config.rates[2],
5044 (int)ai->config.rates[3],
5045 (int)ai->config.rates[4],
5046 (int)ai->config.rates[5],
5047 (int)ai->config.rates[6],
5048 (int)ai->config.rates[7],
3eb9b41f
AV		 5049 le16_to_cpu(ai->config.channelSet),
5050 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5051 );
5052 sprintf( data->rbuffer + i,
5053 "LongRetryLimit: %d\n"
5054 "ShortRetryLimit: %d\n"
5055 "RTSThreshold: %d\n"
5056 "TXMSDULifetime: %d\n"
5057 "RXMSDULifetime: %d\n"
5058 "TXDiversity: %s\n"
5059 "RXDiversity: %s\n"
5060 "FragThreshold: %d\n"
5061 "WEP: %s\n"
5062 "Modulation: %s\n"
5063 "Preamble: %s\n",
3eb9b41f
AV		 5064 le16_to_cpu(ai->config.longRetryLimit),
5065 le16_to_cpu(ai->config.shortRetryLimit),
5066 le16_to_cpu(ai->config.rtsThres),
5067 le16_to_cpu(ai->config.txLifetime),
5068 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5069 ai->config.txDiversity == 1 ? "left" :
5070 ai->config.txDiversity == 2 ? "right" : "both",
5071 ai->config.rxDiversity == 1 ? "left" :
5072 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5073 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5074 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5075 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5076 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5077 ai->config.modulation == MOD_CCK ? "cck" :
5078 ai->config.modulation == MOD_MOK ? "mok" : "error",
5079 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5080 ai->config.preamble == PREAMBLE_LONG ? "long" :
5081 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5082 );
5083 data->readlen = strlen( data->rbuffer );
5084 return 0;
5085}
5086
0dd2212f
AV		 5087static void proc_SSID_on_close(struct inode *inode, struct file *file)
5088{
1da177e4
LT		 5089 struct proc_data *data = (struct proc_data *)file->private_data;
5090 struct proc_dir_entry *dp = PDE(inode);
5091 struct net_device *dev = dp->data;
faf3994a 5092 struct airo_info *ai = dev->ml_priv;
1da177e4 5093 SsidRid SSID_rid;
1da177e4 5094 int i;
0dd2212f
AV		 5095 char *p = data->wbuffer;
5096 char *end = p + data->writelen;
1da177e4 5097
0dd2212f
AV		 5098 if (!data->writelen)
5099 return;
1da177e4 5100
0dd2212f 5101 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5102
0dd2212f
AV		 5103 memset(&SSID_rid, 0, sizeof(SSID_rid));
5104
5105 for (i = 0; i < 3 && p < end; i++) {
5106 int j = 0;
5107 /* copy up to 32 characters from this line */
5108 while (*p != '\n' && j < 32)
5109 SSID_rid.ssids[i].ssid[j++] = *p++;
5110 if (j == 0)
5111 break;
5112 SSID_rid.ssids[i].len = cpu_to_le16(j);
5113 /* skip to the beginning of the next line */
5114 while (*p++ != '\n')
5115 ;
1da177e4
LT		 5116 }
5117 if (i)
0dd2212f 5118 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5119 disable_MAC(ai, 1);
5120 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5121 enable_MAC(ai, 1);
1da177e4
LT		 5122}
5123
77933d72 5124static inline u8 hexVal(char c) {
1da177e4
LT		 5125 if (c>='0' && c<='9') return c -= '0';
5126 if (c>='a' && c<='f') return c -= 'a'-10;
5127 if (c>='A' && c<='F') return c -= 'A'-10;
5128 return 0;
5129}
5130
5131static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5132 struct proc_data *data = (struct proc_data *)file->private_data;
5133 struct proc_dir_entry *dp = PDE(inode);
5134 struct net_device *dev = dp->data;
faf3994a 5135 struct airo_info *ai = dev->ml_priv;
1da177e4 5136 APListRid APList_rid;
1da177e4
LT		 5137 int i;
5138
5139 if ( !data->writelen ) return;
5140
5141 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5142 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5143
5144 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5145 int j;
5146 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5147 switch(j%3) {
5148 case 0:
5149 APList_rid.ap[i][j/3]=
5150 hexVal(data->wbuffer[j+i*6*3])<<4;
5151 break;
5152 case 1:
5153 APList_rid.ap[i][j/3]|=
5154 hexVal(data->wbuffer[j+i*6*3]);
5155 break;
5156 }
5157 }
5158 }
5159 disable_MAC(ai, 1);
5160 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5161 enable_MAC(ai, 1);
1da177e4
LT		 5162}
5163
5164/* This function wraps PC4500_writerid with a MAC disable */
5165static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5166 int len, int dummy ) {
5167 int rc;
1da177e4
LT		 5168
5169 disable_MAC(ai, 1);
5170 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5171 enable_MAC(ai, 1);
1da177e4
LT		 5172 return rc;
5173}
5174
c0380693
DW		 5175/* Returns the WEP key at the specified index, or -1 if that key does
5176 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5177 */
c0380693
DW		 5178static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5179{
1da177e4
LT		 5180 WepKeyRid wkr;
5181 int rc;
4293ea33 5182 __le16 lastindex;
1da177e4
LT		 5183
5184 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW		 5185 if (rc != SUCCESS)
5186 return -1;
5187 do {
1da177e4 5188 lastindex = wkr.kindex;
c0380693
DW		 5189 if (le16_to_cpu(wkr.kindex) == index) {
5190 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5191 memcpy(buf, wkr.key, klen);
5192 return klen;
1da177e4 5193 }
c0380693
DW		 5194 rc = readWepKeyRid(ai, &wkr, 0, 1);
5195 if (rc != SUCCESS)
5196 return -1;
4293ea33 5197 } while (lastindex != wkr.kindex);
1da177e4
LT		 5198 return -1;
5199}
5200
c0380693
DW		 5201static int get_wep_tx_idx(struct airo_info *ai)
5202{
5203 WepKeyRid wkr;
5204 int rc;
5205 __le16 lastindex;
5206
5207 rc = readWepKeyRid(ai, &wkr, 1, 1);
5208 if (rc != SUCCESS)
5209 return -1;
5210 do {
5211 lastindex = wkr.kindex;
5212 if (wkr.kindex == cpu_to_le16(0xffff))
5213 return wkr.mac[0];
5214 rc = readWepKeyRid(ai, &wkr, 0, 1);
5215 if (rc != SUCCESS)
5216 return -1;
5217 } while (lastindex != wkr.kindex);
5218 return -1;
5219}
5220
5221static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5222 u16 keylen, int perm, int lock)
4293ea33 5223{
1da177e4
LT		 5224 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5225 WepKeyRid wkr;
c0380693 5226 int rc;
1da177e4 5227
1da177e4 5228 if (keylen == 0) {
c0380693
DW		 5229 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5230 __func__);
5231 return -1;
1da177e4
LT		 5232 }
5233
c0380693
DW		 5234 memset(&wkr, 0, sizeof(wkr));
5235 wkr.len = cpu_to_le16(sizeof(wkr));
5236 wkr.kindex = cpu_to_le16(index);
5237 wkr.klen = cpu_to_le16(keylen);
5238 memcpy(wkr.key, key, keylen);
5239 memcpy(wkr.mac, macaddr, ETH_ALEN);
5240
f89b2321 5241 if (perm) disable_MAC(ai, lock);
c0380693 5242 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5243 if (perm) enable_MAC(ai, lock);
c0380693
DW		 5244 return rc;
5245}
5246
5247static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5248{
5249 WepKeyRid wkr;
5250 int rc;
5251
5252 memset(&wkr, 0, sizeof(wkr));
5253 wkr.len = cpu_to_le16(sizeof(wkr));
5254 wkr.kindex = cpu_to_le16(0xffff);
5255 wkr.mac[0] = (char)index;
5256
5257 if (perm) {
5258 ai->defindex = (char)index;
5259 disable_MAC(ai, lock);
5260 }
5261
5262 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5263
5264 if (perm)
5265 enable_MAC(ai, lock);
5266 return rc;
1da177e4
LT		 5267}
5268
5269static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5270 struct proc_data *data;
5271 struct proc_dir_entry *dp = PDE(inode);
5272 struct net_device *dev = dp->data;
faf3994a 5273 struct airo_info *ai = dev->ml_priv;
c0380693 5274 int i, rc;
1da177e4
LT		 5275 char key[16];
5276 u16 index = 0;
5277 int j = 0;
5278
5279 memset(key, 0, sizeof(key));
5280
5281 data = (struct proc_data *)file->private_data;
5282 if ( !data->writelen ) return;
5283
5284 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5285 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5286 index = data->wbuffer[0] - '0';
5287 if (data->wbuffer[1] == '\n') {
c0380693
DW		 5288 rc = set_wep_tx_idx(ai, index, 1, 1);
5289 if (rc < 0) {
5290 airo_print_err(ai->dev->name, "failed to set "
5291 "WEP transmit index to %d: %d.",
5292 index, rc);
5293 }
1da177e4
LT		 5294 return;
5295 }
5296 j = 2;
5297 } else {
934d8bf1 5298 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5299 return;
5300 }
5301
5302 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5303 switch(i%3) {
5304 case 0:
5305 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5306 break;
5307 case 1:
5308 key[i/3] |= hexVal(data->wbuffer[i+j]);
5309 break;
5310 }
5311 }
c0380693
DW		 5312
5313 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5314 if (rc < 0) {
5315 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5316 "%d: %d.", index, rc);
5317 }
1da177e4
LT		 5318}
5319
4293ea33
AV		 5320static int proc_wepkey_open( struct inode *inode, struct file *file )
5321{
1da177e4
LT		 5322 struct proc_data *data;
5323 struct proc_dir_entry *dp = PDE(inode);
5324 struct net_device *dev = dp->data;
faf3994a 5325 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5326 char *ptr;
5327 WepKeyRid wkr;
4293ea33 5328 __le16 lastindex;
1da177e4
LT		 5329 int j=0;
5330 int rc;
5331
b69a3aa8 5332 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5333 return -ENOMEM;
1da177e4
LT		 5334 memset(&wkr, 0, sizeof(wkr));
5335 data = (struct proc_data *)file->private_data;
b69a3aa8 5336 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5337 kfree (file->private_data);
5338 return -ENOMEM;
5339 }
1da177e4
LT		 5340 data->writelen = 0;
5341 data->maxwritelen = 80;
b69a3aa8 5342 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5343 kfree (data->rbuffer);
5344 kfree (file->private_data);
5345 return -ENOMEM;
5346 }
1da177e4
LT		 5347 data->on_close = proc_wepkey_on_close;
5348
5349 ptr = data->rbuffer;
5350 strcpy(ptr, "No wep keys\n");
5351 rc = readWepKeyRid(ai, &wkr, 1, 1);
5352 if (rc == SUCCESS) do {
5353 lastindex = wkr.kindex;
4293ea33 5354 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5355 j += sprintf(ptr+j, "Tx key = %d\n",
5356 (int)wkr.mac[0]);
5357 } else {
5358 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5359 le16_to_cpu(wkr.kindex),
5360 le16_to_cpu(wkr.klen));
1da177e4
LT		 5361 }
5362 readWepKeyRid(ai, &wkr, 0, 1);
5363 } while((lastindex != wkr.kindex) && (j < 180-30));
5364
5365 data->readlen = strlen( data->rbuffer );
5366 return 0;
5367}
5368
0dd2212f
AV		 5369static int proc_SSID_open(struct inode *inode, struct file *file)
5370{
1da177e4
LT		 5371 struct proc_data *data;
5372 struct proc_dir_entry *dp = PDE(inode);
5373 struct net_device *dev = dp->data;
faf3994a 5374 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5375 int i;
5376 char *ptr;
5377 SsidRid SSID_rid;
5378
b69a3aa8 5379 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5380 return -ENOMEM;
1da177e4
LT		 5381 data = (struct proc_data *)file->private_data;
5382 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5383 kfree (file->private_data);
5384 return -ENOMEM;
5385 }
5386 data->writelen = 0;
5387 data->maxwritelen = 33*3;
0dd2212f
AV		 5388 /* allocate maxwritelen + 1; we'll want a sentinel */
5389 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5390 kfree (data->rbuffer);
5391 kfree (file->private_data);
5392 return -ENOMEM;
5393 }
1da177e4
LT		 5394 data->on_close = proc_SSID_on_close;
5395
5396 readSsidRid(ai, &SSID_rid);
5397 ptr = data->rbuffer;
0dd2212f 5398 for (i = 0; i < 3; i++) {
1da177e4 5399 int j;
0dd2212f
AV		 5400 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5401 if (!len)
5402 break;
5403 if (len > 32)
5404 len = 32;
5405 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5406 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5407 *ptr++ = '\n';
5408 }
5409 *ptr = '\0';
5410 data->readlen = strlen( data->rbuffer );
5411 return 0;
5412}
5413
5414static int proc_APList_open( struct inode *inode, struct file *file ) {
5415 struct proc_data *data;
5416 struct proc_dir_entry *dp = PDE(inode);
5417 struct net_device *dev = dp->data;
faf3994a 5418 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5419 int i;
5420 char *ptr;
5421 APListRid APList_rid;
5422
b69a3aa8 5423 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5424 return -ENOMEM;
1da177e4
LT		 5425 data = (struct proc_data *)file->private_data;
5426 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5427 kfree (file->private_data);
5428 return -ENOMEM;
5429 }
5430 data->writelen = 0;
5431 data->maxwritelen = 4*6*3;
b69a3aa8 5432 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5433 kfree (data->rbuffer);
5434 kfree (file->private_data);
5435 return -ENOMEM;
5436 }
1da177e4
LT		 5437 data->on_close = proc_APList_on_close;
5438
5439 readAPListRid(ai, &APList_rid);
5440 ptr = data->rbuffer;
5441 for( i = 0; i < 4; i++ ) {
5442// We end when we find a zero MAC
5443 if ( !*(int*)APList_rid.ap[i] &&
5444 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5445 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT		 5446 }
5447 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5448
5449 *ptr = '\0';
5450 data->readlen = strlen( data->rbuffer );
5451 return 0;
5452}
5453
5454static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5455 struct proc_data *data;
5456 struct proc_dir_entry *dp = PDE(inode);
5457 struct net_device *dev = dp->data;
faf3994a 5458 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5459 char *ptr;
5460 BSSListRid BSSList_rid;
5461 int rc;
5462 /* If doLoseSync is not 1, we won't do a Lose Sync */
5463 int doLoseSync = -1;
5464
b69a3aa8 5465 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5466 return -ENOMEM;
1da177e4
LT		 5467 data = (struct proc_data *)file->private_data;
5468 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5469 kfree (file->private_data);
5470 return -ENOMEM;
5471 }
5472 data->writelen = 0;
5473 data->maxwritelen = 0;
5474 data->wbuffer = NULL;
5475 data->on_close = NULL;
5476
5477 if (file->f_mode & FMODE_WRITE) {
5478 if (!(file->f_mode & FMODE_READ)) {
5479 Cmd cmd;
5480 Resp rsp;
5481
5482 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5483 memset(&cmd, 0, sizeof(cmd));
5484 cmd.cmd=CMD_LISTBSS;
5485 if (down_interruptible(&ai->sem))
5486 return -ERESTARTSYS;
5487 issuecommand(ai, &cmd, &rsp);
5488 up(&ai->sem);
5489 data->readlen = 0;
5490 return 0;
5491 }
5492 doLoseSync = 1;
5493 }
5494 ptr = data->rbuffer;
5495 /* There is a race condition here if there are concurrent opens.
5496 Since it is a rare condition, we'll just live with it, otherwise
5497 we have to add a spin lock... */
5498 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5499 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB		 5500 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5501 BSSList_rid.bssid,
1da177e4
LT		 5502 (int)BSSList_rid.ssidLen,
5503 BSSList_rid.ssid,
17e70491 5504 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5505 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5506 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5507 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5508 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5509 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5510 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5511 rc = readBSSListRid(ai, 0, &BSSList_rid);
5512 }
5513 *ptr = '\0';
5514 data->readlen = strlen( data->rbuffer );
5515 return 0;
5516}
5517
5518static int proc_close( struct inode *inode, struct file *file )
5519{
b4558ea9
JJ		 5520 struct proc_data *data = file->private_data;
5521
5522 if (data->on_close != NULL)
5523 data->on_close(inode, file);
5524 kfree(data->rbuffer);
5525 kfree(data->wbuffer);
5526 kfree(data);
1da177e4
LT		 5527 return 0;
5528}
5529
1da177e4
LT		 5530/* Since the card doesn't automatically switch to the right WEP mode,
5531 we will make it do it. If the card isn't associated, every secs we
5532 will switch WEP modes to see if that will help. If the card is
5533 associated we will check every minute to see if anything has
5534 changed. */
5535static void timer_func( struct net_device *dev ) {
faf3994a 5536 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 5537
5538/* We don't have a link so try changing the authtype */
5539 readConfigRid(apriv, 0);
5540 disable_MAC(apriv, 0);
5541 switch(apriv->config.authType) {
5542 case AUTH_ENCRYPT:
5543/* So drop to OPEN */
5544 apriv->config.authType = AUTH_OPEN;
5545 break;
5546 case AUTH_SHAREDKEY:
5547 if (apriv->keyindex < auto_wep) {
c0380693 5548 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT		 5549 apriv->config.authType = AUTH_SHAREDKEY;
5550 apriv->keyindex++;
5551 } else {
5552 /* Drop to ENCRYPT */
5553 apriv->keyindex = 0;
c0380693 5554 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT		 5555 apriv->config.authType = AUTH_ENCRYPT;
5556 }
5557 break;
5558 default: /* We'll escalate to SHAREDKEY */
5559 apriv->config.authType = AUTH_SHAREDKEY;
5560 }
5561 set_bit (FLAG_COMMIT, &apriv->flags);
5562 writeConfigRid(apriv, 0);
175ec1a1 5563 enable_MAC(apriv, 0);
1da177e4
LT		 5564 up(&apriv->sem);
5565
5566/* Schedule check to see if the change worked */
3c304956 5567 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5568 apriv->expires = RUN_AT(HZ*3);
5569}
5570
1da177e4
LT		 5571#ifdef CONFIG_PCI
5572static int __devinit airo_pci_probe(struct pci_dev *pdev,
5573 const struct pci_device_id *pent)
5574{
5575 struct net_device *dev;
5576
5577 if (pci_enable_device(pdev))
5578 return -ENODEV;
5579 pci_set_master(pdev);
5580
5581 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5582 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5583 else
5584 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5585 if (!dev) {
5586 pci_disable_device(pdev);
1da177e4 5587 return -ENODEV;
777ec5e9 5588 }
1da177e4
LT		 5589
5590 pci_set_drvdata(pdev, dev);
5591 return 0;
5592}
5593
5594static void __devexit airo_pci_remove(struct pci_dev *pdev)
5595{
af5b5c9a
MS		 5596 struct net_device *dev = pci_get_drvdata(pdev);
5597
5598 airo_print_info(dev->name, "Unregistering...");
5599 stop_airo_card(dev, 1);
777ec5e9
MS		 5600 pci_disable_device(pdev);
5601 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5602}
5603
05adc3b7 5604static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5605{
5606 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5607 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5608 Cmd cmd;
5609 Resp rsp;
5610
e292c737
PM		 5611 if (!ai->APList)
5612 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5613 if (!ai->APList)
1da177e4 5614 return -ENOMEM;
e292c737
PM		 5615 if (!ai->SSID)
5616 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5617 if (!ai->SSID)
1da177e4
LT		 5618 return -ENOMEM;
5619 readAPListRid(ai, ai->APList);
5620 readSsidRid(ai, ai->SSID);
5621 memset(&cmd, 0, sizeof(cmd));
5622 /* the lock will be released at the end of the resume callback */
5623 if (down_interruptible(&ai->sem))
5624 return -EAGAIN;
5625 disable_MAC(ai, 0);
5626 netif_device_detach(dev);
5627 ai->power = state;
e292c737 5628 cmd.cmd = HOSTSLEEP;
1da177e4
LT		 5629 issuecommand(ai, &cmd, &rsp);
5630
1cc68ae0 5631 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5632 pci_save_state(pdev);
1cc68ae0 5633 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5634}
5635
5636static int airo_pci_resume(struct pci_dev *pdev)
5637{
5638 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5639 struct airo_info *ai = dev->ml_priv;
53232803 5640 pci_power_t prev_state = pdev->current_state;
1da177e4 5641
53232803 5642 pci_set_power_state(pdev, PCI_D0);
1da177e4 5643 pci_restore_state(pdev);
53232803 5644 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5645
53232803 5646 if (prev_state != PCI_D1) {
1da177e4
LT		 5647 reset_card(dev, 0);
5648 mpi_init_descriptors(ai);
5649 setup_card(ai, dev->dev_addr, 0);
5650 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5651 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5652 } else {
5653 OUT4500(ai, EVACK, EV_AWAKEN);
5654 OUT4500(ai, EVACK, EV_AWAKEN);
5655 msleep(100);
5656 }
5657
e292c737 5658 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT		 5659 disable_MAC(ai, 0);
5660 msleep(200);
5661 if (ai->SSID) {
5662 writeSsidRid(ai, ai->SSID, 0);
5663 kfree(ai->SSID);
5664 ai->SSID = NULL;
5665 }
5666 if (ai->APList) {
5667 writeAPListRid(ai, ai->APList, 0);
5668 kfree(ai->APList);
5669 ai->APList = NULL;
5670 }
5671 writeConfigRid(ai, 0);
175ec1a1 5672 enable_MAC(ai, 0);
1cc68ae0 5673 ai->power = PMSG_ON;
1da177e4
LT		 5674 netif_device_attach(dev);
5675 netif_wake_queue(dev);
5676 enable_interrupts(ai);
5677 up(&ai->sem);
5678 return 0;
5679}
5680#endif
5681
5682static int __init airo_init_module( void )
5683{
de897881 5684 int i;
1da177e4 5685
928b4d8c 5686 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5687 S_IFDIR | airo_perm,
928b4d8c 5688 NULL);
de897881
JG		 5689
5690 if (airo_entry) {
5691 airo_entry->uid = proc_uid;
5692 airo_entry->gid = proc_gid;
5693 }
1da177e4 5694
e292c737 5695 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW		 5696 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5697 "io=0x%x", irq[i], io[i] );
1da177e4 5698 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5699 /* do nothing */ ;
1da177e4
LT		 5700 }
5701
5702#ifdef CONFIG_PCI
934d8bf1 5703 airo_print_info("", "Probing for PCI adapters");
de897881 5704 i = pci_register_driver(&airo_driver);
934d8bf1 5705 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5706
5707 if (i) {
928b4d8c 5708 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5709 return i;
5710 }
1da177e4
LT		 5711#endif
5712
5713 /* Always exit with success, as we are a library module
5714 * as well as a driver module
5715 */
5716 return 0;
5717}
5718
5719static void __exit airo_cleanup_module( void )
5720{
af5b5c9a
MS		 5721 struct airo_info *ai;
5722 while(!list_empty(&airo_devices)) {
5723 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5724 airo_print_info(ai->dev->name, "Unregistering...");
5725 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5726 }
5727#ifdef CONFIG_PCI
5728 pci_unregister_driver(&airo_driver);
5729#endif
928b4d8c 5730 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5731}
5732
1da177e4
LT		 5733/*
5734 * Initial Wireless Extension code for Aironet driver by :
5735 * Jean Tourrilhes <[email protected]> - HPL - 17 November 00
5736 * Conversion to new driver API by :
5737 * Jean Tourrilhes <[email protected]> - HPL - 26 March 02
5738 * Javier also did a good amount of work here, adding some new extensions
5739 * and fixing my code. Let's just say that without him this code just
5740 * would not work at all... - Jean II
5741 */
5742
41480af2
DW		 5743static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5744{
e292c737 5745 if (!rssi_rid)
41480af2
DW		 5746 return 0;
5747
5748 return (0x100 - rssi_rid[rssi].rssidBm);
5749}
5750
5751static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5752{
5753 int i;
5754
e292c737 5755 if (!rssi_rid)
41480af2
DW		 5756 return 0;
5757
e292c737 5758 for (i = 0; i < 256; i++)
41480af2
DW		 5759 if (rssi_rid[i].rssidBm == dbm)
5760 return rssi_rid[i].rssipct;
5761
5762 return 0;
5763}
5764
5765
1da177e4
LT		 5766static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5767{
5768 int quality = 0;
329e2c00 5769 u16 sq;
1da177e4 5770
329e2c00 5771 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5772 return 0;
5773
5774 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5775 return 0;
5776
329e2c00 5777 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5778 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5779 if (sq > 0x20)
56d81bd3 5780 quality = 0;
1da177e4 5781 else
329e2c00 5782 quality = 0x20 - sq;
56d81bd3 5783 else
329e2c00 5784 if (sq > 0xb0)
56d81bd3 5785 quality = 0;
329e2c00 5786 else if (sq < 0x10)
56d81bd3
AV		 5787 quality = 0xa0;
5788 else
329e2c00 5789 quality = 0xb0 - sq;
1da177e4
LT		 5790 return quality;
5791}
5792
5793#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5794#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5795
5796/*------------------------------------------------------------------*/
5797/*
5798 * Wireless Handler : get protocol name
5799 */
5800static int airo_get_name(struct net_device *dev,
5801 struct iw_request_info *info,
5802 char *cwrq,
5803 char *extra)
5804{
5805 strcpy(cwrq, "IEEE 802.11-DS");
5806 return 0;
5807}
5808
5809/*------------------------------------------------------------------*/
5810/*
5811 * Wireless Handler : set frequency
5812 */
5813static int airo_set_freq(struct net_device *dev,
5814 struct iw_request_info *info,
5815 struct iw_freq *fwrq,
5816 char *extra)
5817{
faf3994a 5818 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5819 int rc = -EINPROGRESS; /* Call commit handler */
5820
5821 /* If setting by frequency, convert to a channel */
9ee677c2 5822 if(fwrq->e == 1) {
1da177e4 5823 int f = fwrq->m / 100000;
9ee677c2 5824
1da177e4
LT		 5825 /* Hack to fall through... */
5826 fwrq->e = 0;
9ee677c2 5827 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT		 5828 }
5829 /* Setting by channel number */
5830 if((fwrq->m > 1000) || (fwrq->e > 0))
5831 rc = -EOPNOTSUPP;
5832 else {
5833 int channel = fwrq->m;
5834 /* We should do a better check than that,
5835 * based on the card capability !!! */
2610c733 5836 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5837 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5838 fwrq->m);
1da177e4
LT		 5839 rc = -EINVAL;
5840 } else {
5841 readConfigRid(local, 1);
5842 /* Yes ! We can set it !!! */
3eb9b41f 5843 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5844 set_bit (FLAG_COMMIT, &local->flags);
5845 }
5846 }
5847 return rc;
5848}
5849
5850/*------------------------------------------------------------------*/
5851/*
5852 * Wireless Handler : get frequency
5853 */
5854static int airo_get_freq(struct net_device *dev,
5855 struct iw_request_info *info,
5856 struct iw_freq *fwrq,
5857 char *extra)
5858{
faf3994a 5859 struct airo_info *local = dev->ml_priv;
1da177e4 5860 StatusRid status_rid; /* Card status info */
2610c733 5861 int ch;
1da177e4
LT		 5862
5863 readConfigRid(local, 1);
3eb9b41f
AV		 5864 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5865 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5866 else
5867 readStatusRid(local, &status_rid, 1);
5868
329e2c00 5869 ch = le16_to_cpu(status_rid.channel);
2610c733 5870 if((ch > 0) && (ch < 15)) {
9ee677c2 5871 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5872 fwrq->e = 1;
2610c733
JA		 5873 } else {
5874 fwrq->m = ch;
5875 fwrq->e = 0;
1da177e4 5876 }
1da177e4
LT		 5877
5878 return 0;
5879}
5880
5881/*------------------------------------------------------------------*/
5882/*
5883 * Wireless Handler : set ESSID
5884 */
5885static int airo_set_essid(struct net_device *dev,
5886 struct iw_request_info *info,
5887 struct iw_point *dwrq,
5888 char *extra)
5889{
faf3994a 5890 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5891 SsidRid SSID_rid; /* SSIDs */
5892
5893 /* Reload the list of current SSID */
5894 readSsidRid(local, &SSID_rid);
5895
5896 /* Check if we asked for `any' */
5897 if(dwrq->flags == 0) {
5898 /* Just send an empty SSID list */
5899 memset(&SSID_rid, 0, sizeof(SSID_rid));
5900 } else {
5901 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5902
5903 /* Check the size of the string */
7f8544cc 5904 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5905 return -E2BIG ;
5906 }
5907 /* Check if index is valid */
5908 if((index < 0) || (index >= 4)) {
5909 return -EINVAL;
5910 }
5911
5912 /* Set the SSID */
5913 memset(SSID_rid.ssids[index].ssid, 0,
5914 sizeof(SSID_rid.ssids[index].ssid));
5915 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5916 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5917 }
0dd2212f 5918 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5919 /* Write it to the card */
5920 disable_MAC(local, 1);
5921 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5922 enable_MAC(local, 1);
1da177e4
LT		 5923
5924 return 0;
5925}
5926
5927/*------------------------------------------------------------------*/
5928/*
5929 * Wireless Handler : get ESSID
5930 */
5931static int airo_get_essid(struct net_device *dev,
5932 struct iw_request_info *info,
5933 struct iw_point *dwrq,
5934 char *extra)
5935{
faf3994a 5936 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5937 StatusRid status_rid; /* Card status info */
5938
5939 readStatusRid(local, &status_rid, 1);
5940
5941 /* Note : if dwrq->flags != 0, we should
5942 * get the relevant SSID from the SSID list... */
5943
5944 /* Get the current SSID */
329e2c00 5945 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5946 /* If none, we may want to get the one that was set */
5947
5948 /* Push it out ! */
329e2c00 5949 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5950 dwrq->flags = 1; /* active */
5951
5952 return 0;
5953}
5954
5955/*------------------------------------------------------------------*/
5956/*
5957 * Wireless Handler : set AP address
5958 */
5959static int airo_set_wap(struct net_device *dev,
5960 struct iw_request_info *info,
5961 struct sockaddr *awrq,
5962 char *extra)
5963{
faf3994a 5964 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5965 Cmd cmd;
5966 Resp rsp;
5967 APListRid APList_rid;
4be757dd
DW		 5968 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5969 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5970
5971 if (awrq->sa_family != ARPHRD_ETHER)
5972 return -EINVAL;
4be757dd
DW		 5973 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5974 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5975 memset(&cmd, 0, sizeof(cmd));
5976 cmd.cmd=CMD_LOSE_SYNC;
5977 if (down_interruptible(&local->sem))
5978 return -ERESTARTSYS;
5979 issuecommand(local, &cmd, &rsp);
5980 up(&local->sem);
5981 } else {
5982 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5983 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5984 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5985 disable_MAC(local, 1);
5986 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5987 enable_MAC(local, 1);
1da177e4
LT		 5988 }
5989 return 0;
5990}
5991
5992/*------------------------------------------------------------------*/
5993/*
5994 * Wireless Handler : get AP address
5995 */
5996static int airo_get_wap(struct net_device *dev,
5997 struct iw_request_info *info,
5998 struct sockaddr *awrq,
5999 char *extra)
6000{
faf3994a 6001 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6002 StatusRid status_rid; /* Card status info */
6003
6004 readStatusRid(local, &status_rid, 1);
6005
6006 /* Tentative. This seems to work, wow, I'm lucky !!! */
6007 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6008 awrq->sa_family = ARPHRD_ETHER;
6009
6010 return 0;
6011}
6012
6013/*------------------------------------------------------------------*/
6014/*
6015 * Wireless Handler : set Nickname
6016 */
6017static int airo_set_nick(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct iw_point *dwrq,
6020 char *extra)
6021{
faf3994a 6022 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6023
6024 /* Check the size of the string */
7f8544cc 6025 if(dwrq->length > 16) {
1da177e4
LT		 6026 return -E2BIG;
6027 }
6028 readConfigRid(local, 1);
6029 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6030 memcpy(local->config.nodeName, extra, dwrq->length);
6031 set_bit (FLAG_COMMIT, &local->flags);
6032
6033 return -EINPROGRESS; /* Call commit handler */
6034}
6035
6036/*------------------------------------------------------------------*/
6037/*
6038 * Wireless Handler : get Nickname
6039 */
6040static int airo_get_nick(struct net_device *dev,
6041 struct iw_request_info *info,
6042 struct iw_point *dwrq,
6043 char *extra)
6044{
faf3994a 6045 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6046
6047 readConfigRid(local, 1);
6048 strncpy(extra, local->config.nodeName, 16);
6049 extra[16] = '\0';
7f8544cc 6050 dwrq->length = strlen(extra);
1da177e4
LT		 6051
6052 return 0;
6053}
6054
6055/*------------------------------------------------------------------*/
6056/*
6057 * Wireless Handler : set Bit-Rate
6058 */
6059static int airo_set_rate(struct net_device *dev,
6060 struct iw_request_info *info,
6061 struct iw_param *vwrq,
6062 char *extra)
6063{
faf3994a 6064 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6065 CapabilityRid cap_rid; /* Card capability info */
6066 u8 brate = 0;
6067 int i;
6068
6069 /* First : get a valid bit rate value */
6070 readCapabilityRid(local, &cap_rid, 1);
6071
6072 /* Which type of value ? */
6073 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6074 /* Setting by rate index */
6075 /* Find value in the magic rate table */
6076 brate = cap_rid.supportedRates[vwrq->value];
6077 } else {
6078 /* Setting by frequency value */
6079 u8 normvalue = (u8) (vwrq->value/500000);
6080
6081 /* Check if rate is valid */
6082 for(i = 0 ; i < 8 ; i++) {
6083 if(normvalue == cap_rid.supportedRates[i]) {
6084 brate = normvalue;
6085 break;
6086 }
6087 }
6088 }
6089 /* -1 designed the max rate (mostly auto mode) */
6090 if(vwrq->value == -1) {
6091 /* Get the highest available rate */
6092 for(i = 0 ; i < 8 ; i++) {
6093 if(cap_rid.supportedRates[i] == 0)
6094 break;
6095 }
6096 if(i != 0)
6097 brate = cap_rid.supportedRates[i - 1];
6098 }
6099 /* Check that it is valid */
6100 if(brate == 0) {
6101 return -EINVAL;
6102 }
6103
6104 readConfigRid(local, 1);
6105 /* Now, check if we want a fixed or auto value */
6106 if(vwrq->fixed == 0) {
6107 /* Fill all the rates up to this max rate */
6108 memset(local->config.rates, 0, 8);
6109 for(i = 0 ; i < 8 ; i++) {
6110 local->config.rates[i] = cap_rid.supportedRates[i];
6111 if(local->config.rates[i] == brate)
6112 break;
6113 }
6114 } else {
6115 /* Fixed mode */
6116 /* One rate, fixed */
6117 memset(local->config.rates, 0, 8);
6118 local->config.rates[0] = brate;
6119 }
6120 set_bit (FLAG_COMMIT, &local->flags);
6121
6122 return -EINPROGRESS; /* Call commit handler */
6123}
6124
6125/*------------------------------------------------------------------*/
6126/*
6127 * Wireless Handler : get Bit-Rate
6128 */
6129static int airo_get_rate(struct net_device *dev,
6130 struct iw_request_info *info,
6131 struct iw_param *vwrq,
6132 char *extra)
6133{
faf3994a 6134 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6135 StatusRid status_rid; /* Card status info */
6136
6137 readStatusRid(local, &status_rid, 1);
6138
329e2c00 6139 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6140 /* If more than one rate, set auto */
6141 readConfigRid(local, 1);
6142 vwrq->fixed = (local->config.rates[1] == 0);
6143
6144 return 0;
6145}
6146
6147/*------------------------------------------------------------------*/
6148/*
6149 * Wireless Handler : set RTS threshold
6150 */
6151static int airo_set_rts(struct net_device *dev,
6152 struct iw_request_info *info,
6153 struct iw_param *vwrq,
6154 char *extra)
6155{
faf3994a 6156 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6157 int rthr = vwrq->value;
6158
6159 if(vwrq->disabled)
15db2763
DW		 6160 rthr = AIRO_DEF_MTU;
6161 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6162 return -EINVAL;
6163 }
6164 readConfigRid(local, 1);
3eb9b41f 6165 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6166 set_bit (FLAG_COMMIT, &local->flags);
6167
6168 return -EINPROGRESS; /* Call commit handler */
6169}
6170
6171/*------------------------------------------------------------------*/
6172/*
6173 * Wireless Handler : get RTS threshold
6174 */
6175static int airo_get_rts(struct net_device *dev,
6176 struct iw_request_info *info,
6177 struct iw_param *vwrq,
6178 char *extra)
6179{
faf3994a 6180 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6181
6182 readConfigRid(local, 1);
3eb9b41f 6183 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6184 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6185 vwrq->fixed = 1;
6186
6187 return 0;
6188}
6189
6190/*------------------------------------------------------------------*/
6191/*
6192 * Wireless Handler : set Fragmentation threshold
6193 */
6194static int airo_set_frag(struct net_device *dev,
6195 struct iw_request_info *info,
6196 struct iw_param *vwrq,
6197 char *extra)
6198{
faf3994a 6199 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6200 int fthr = vwrq->value;
6201
6202 if(vwrq->disabled)
15db2763
DW		 6203 fthr = AIRO_DEF_MTU;
6204 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6205 return -EINVAL;
6206 }
6207 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6208 readConfigRid(local, 1);
3eb9b41f 6209 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6210 set_bit (FLAG_COMMIT, &local->flags);
6211
6212 return -EINPROGRESS; /* Call commit handler */
6213}
6214
6215/*------------------------------------------------------------------*/
6216/*
6217 * Wireless Handler : get Fragmentation threshold
6218 */
6219static int airo_get_frag(struct net_device *dev,
6220 struct iw_request_info *info,
6221 struct iw_param *vwrq,
6222 char *extra)
6223{
faf3994a 6224 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6225
6226 readConfigRid(local, 1);
3eb9b41f 6227 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6228 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6229 vwrq->fixed = 1;
6230
6231 return 0;
6232}
6233
6234/*------------------------------------------------------------------*/
6235/*
6236 * Wireless Handler : set Mode of Operation
6237 */
6238static int airo_set_mode(struct net_device *dev,
6239 struct iw_request_info *info,
6240 __u32 *uwrq,
6241 char *extra)
6242{
faf3994a 6243 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6244 int reset = 0;
6245
6246 readConfigRid(local, 1);
3eb9b41f 6247 if (sniffing_mode(local))
1da177e4
LT		 6248 reset = 1;
6249
6250 switch(*uwrq) {
6251 case IW_MODE_ADHOC:
3eb9b41f 6252 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6253 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6254 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6255 local->config.scanMode = SCANMODE_ACTIVE;
6256 clear_bit (FLAG_802_11, &local->flags);
6257 break;
6258 case IW_MODE_INFRA:
3eb9b41f 6259 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6260 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6261 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6262 local->config.scanMode = SCANMODE_ACTIVE;
6263 clear_bit (FLAG_802_11, &local->flags);
6264 break;
6265 case IW_MODE_MASTER:
3eb9b41f 6266 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6267 local->config.opmode |= MODE_AP;
3eb9b41f 6268 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6269 local->config.scanMode = SCANMODE_ACTIVE;
6270 clear_bit (FLAG_802_11, &local->flags);
6271 break;
6272 case IW_MODE_REPEAT:
3eb9b41f 6273 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6274 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6275 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6276 local->config.scanMode = SCANMODE_ACTIVE;
6277 clear_bit (FLAG_802_11, &local->flags);
6278 break;
6279 case IW_MODE_MONITOR:
3eb9b41f 6280 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6281 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6282 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6283 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6284 local->config.scanMode = SCANMODE_PASSIVE;
6285 set_bit (FLAG_802_11, &local->flags);
6286 break;
6287 default:
6288 return -EINVAL;
6289 }
6290 if (reset)
6291 set_bit (FLAG_RESET, &local->flags);
6292 set_bit (FLAG_COMMIT, &local->flags);
6293
6294 return -EINPROGRESS; /* Call commit handler */
6295}
6296
6297/*------------------------------------------------------------------*/
6298/*
6299 * Wireless Handler : get Mode of Operation
6300 */
6301static int airo_get_mode(struct net_device *dev,
6302 struct iw_request_info *info,
6303 __u32 *uwrq,
6304 char *extra)
6305{
faf3994a 6306 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6307
6308 readConfigRid(local, 1);
6309 /* If not managed, assume it's ad-hoc */
3eb9b41f 6310 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6311 case MODE_STA_ESS:
6312 *uwrq = IW_MODE_INFRA;
6313 break;
6314 case MODE_AP:
6315 *uwrq = IW_MODE_MASTER;
6316 break;
6317 case MODE_AP_RPTR:
6318 *uwrq = IW_MODE_REPEAT;
6319 break;
6320 default:
6321 *uwrq = IW_MODE_ADHOC;
6322 }
6323
6324 return 0;
6325}
6326
138c0c68 6327static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6328{
138c0c68 6329 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV		 6330}
6331
1da177e4
LT		 6332/*------------------------------------------------------------------*/
6333/*
6334 * Wireless Handler : set Encryption Key
6335 */
6336static int airo_set_encode(struct net_device *dev,
6337 struct iw_request_info *info,
6338 struct iw_point *dwrq,
6339 char *extra)
6340{
faf3994a 6341 struct airo_info *local = dev->ml_priv;
c0380693 6342 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6343 __le16 currentAuthType = local->config.authType;
c0380693 6344 int rc = 0;
1da177e4 6345
138c0c68 6346 if (!local->wep_capable)
1da177e4 6347 return -EOPNOTSUPP;
138c0c68 6348
1da177e4
LT		 6349 readConfigRid(local, 1);
6350
6351 /* Basic checking: do we have a key to set ?
6352 * Note : with the new API, it's impossible to get a NULL pointer.
6353 * Therefore, we need to check a key size == 0 instead.
6354 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6355 * when no key is present (only change flags), but older versions
6356 * don't do it. - Jean II */
6357 if (dwrq->length > 0) {
6358 wep_key_t key;
6359 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6360 int current_index;
138c0c68 6361
1da177e4
LT		 6362 /* Check the size of the key */
6363 if (dwrq->length > MAX_KEY_SIZE) {
6364 return -EINVAL;
6365 }
138c0c68 6366
c0380693
DW		 6367 current_index = get_wep_tx_idx(local);
6368 if (current_index < 0)
6369 current_index = 0;
6370
1da177e4 6371 /* Check the index (none -> use current) */
138c0c68 6372 if (!valid_index(local, index))
1da177e4 6373 index = current_index;
138c0c68 6374
1da177e4
LT		 6375 /* Set the length */
6376 if (dwrq->length > MIN_KEY_SIZE)
6377 key.len = MAX_KEY_SIZE;
6378 else
6379 if (dwrq->length > 0)
6380 key.len = MIN_KEY_SIZE;
6381 else
6382 /* Disable the key */
6383 key.len = 0;
6384 /* Check if the key is not marked as invalid */
6385 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6386 /* Cleanup */
6387 memset(key.key, 0, MAX_KEY_SIZE);
6388 /* Copy the key in the driver */
6389 memcpy(key.key, extra, dwrq->length);
6390 /* Send the key to the card */
c0380693
DW		 6391 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6392 if (rc < 0) {
6393 airo_print_err(local->dev->name, "failed to set"
6394 " WEP key at index %d: %d.",
6395 index, rc);
6396 return rc;
6397 }
1da177e4
LT		 6398 }
6399 /* WE specify that if a valid key is set, encryption
6400 * should be enabled (user may turn it off later)
6401 * This is also how "iwconfig ethX key on" works */
6402 if((index == current_index) && (key.len > 0) &&
6403 (local->config.authType == AUTH_OPEN)) {
6404 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6405 }
6406 } else {
6407 /* Do we want to just set the transmit key index ? */
6408 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW		 6409 if (valid_index(local, index)) {
6410 rc = set_wep_tx_idx(local, index, perm, 1);
6411 if (rc < 0) {
6412 airo_print_err(local->dev->name, "failed to set"
6413 " WEP transmit index to %d: %d.",
6414 index, rc);
6415 return rc;
6416 }
6417 } else {
1da177e4 6418 /* Don't complain if only change the mode */
93a3b607 6419 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6420 return -EINVAL;
138c0c68 6421 }
1da177e4
LT		 6422 }
6423 /* Read the flags */
6424 if(dwrq->flags & IW_ENCODE_DISABLED)
6425 local->config.authType = AUTH_OPEN; // disable encryption
6426 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6427 local->config.authType = AUTH_SHAREDKEY; // Only Both
6428 if(dwrq->flags & IW_ENCODE_OPEN)
6429 local->config.authType = AUTH_ENCRYPT; // Only Wep
6430 /* Commit the changes to flags if needed */
f89b2321 6431 if (local->config.authType != currentAuthType)
1da177e4
LT		 6432 set_bit (FLAG_COMMIT, &local->flags);
6433 return -EINPROGRESS; /* Call commit handler */
6434}
6435
6436/*------------------------------------------------------------------*/
6437/*
6438 * Wireless Handler : get Encryption Key
6439 */
6440static int airo_get_encode(struct net_device *dev,
6441 struct iw_request_info *info,
6442 struct iw_point *dwrq,
6443 char *extra)
6444{
faf3994a 6445 struct airo_info *local = dev->ml_priv;
1da177e4 6446 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6447 u8 buf[16];
1da177e4 6448
138c0c68 6449 if (!local->wep_capable)
1da177e4 6450 return -EOPNOTSUPP;
138c0c68 6451
1da177e4 6452 readConfigRid(local, 1);
138c0c68 6453
1da177e4
LT		 6454 /* Check encryption mode */
6455 switch(local->config.authType) {
6456 case AUTH_ENCRYPT:
6457 dwrq->flags = IW_ENCODE_OPEN;
6458 break;
6459 case AUTH_SHAREDKEY:
6460 dwrq->flags = IW_ENCODE_RESTRICTED;
6461 break;
6462 default:
6463 case AUTH_OPEN:
6464 dwrq->flags = IW_ENCODE_DISABLED;
6465 break;
6466 }
6467 /* We can't return the key, so set the proper flag and return zero */
6468 dwrq->flags |= IW_ENCODE_NOKEY;
6469 memset(extra, 0, 16);
6470
6471 /* Which key do we want ? -1 -> tx index */
c0380693
DW		 6472 if (!valid_index(local, index)) {
6473 index = get_wep_tx_idx(local);
6474 if (index < 0)
6475 index = 0;
6476 }
1da177e4 6477 dwrq->flags |= index + 1;
c0380693 6478
1da177e4 6479 /* Copy the key to the user buffer */
c0380693
DW		 6480 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6481 memcpy(extra, buf, dwrq->length);
6482
1da177e4
LT		 6483 return 0;
6484}
6485
4be757dd
DW		 6486/*------------------------------------------------------------------*/
6487/*
6488 * Wireless Handler : set extended Encryption parameters
6489 */
6490static int airo_set_encodeext(struct net_device *dev,
6491 struct iw_request_info *info,
6492 union iwreq_data *wrqu,
6493 char *extra)
6494{
faf3994a 6495 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6496 struct iw_point *encoding = &wrqu->encoding;
6497 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6498 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6499 __le16 currentAuthType = local->config.authType;
c0380693 6500 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW		 6501 wep_key_t key;
6502
138c0c68 6503 if (!local->wep_capable)
4be757dd 6504 return -EOPNOTSUPP;
138c0c68 6505
4be757dd
DW		 6506 readConfigRid(local, 1);
6507
6508 /* Determine and validate the key index */
6509 idx = encoding->flags & IW_ENCODE_INDEX;
6510 if (idx) {
138c0c68 6511 if (!valid_index(local, idx - 1))
4be757dd
DW		 6512 return -EINVAL;
6513 idx--;
c0380693
DW		 6514 } else {
6515 idx = get_wep_tx_idx(local);
6516 if (idx < 0)
6517 idx = 0;
6518 }
4be757dd
DW		 6519
6520 if (encoding->flags & IW_ENCODE_DISABLED)
6521 alg = IW_ENCODE_ALG_NONE;
6522
4be757dd 6523 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6524 /* Only set transmit key index here, actual
6525 * key is set below if needed.
6526 */
c0380693
DW		 6527 rc = set_wep_tx_idx(local, idx, perm, 1);
6528 if (rc < 0) {
6529 airo_print_err(local->dev->name, "failed to set "
6530 "WEP transmit index to %d: %d.",
6531 idx, rc);
6532 return rc;
6533 }
22d8846e
DW		 6534 set_key = ext->key_len > 0 ? 1 : 0;
6535 }
6536
6537 if (set_key) {
4be757dd
DW		 6538 /* Set the requested key first */
6539 memset(key.key, 0, MAX_KEY_SIZE);
6540 switch (alg) {
6541 case IW_ENCODE_ALG_NONE:
6542 key.len = 0;
6543 break;
6544 case IW_ENCODE_ALG_WEP:
6545 if (ext->key_len > MIN_KEY_SIZE) {
6546 key.len = MAX_KEY_SIZE;
6547 } else if (ext->key_len > 0) {
6548 key.len = MIN_KEY_SIZE;
6549 } else {
6550 return -EINVAL;
6551 }
6552 key_len = min (ext->key_len, key.len);
6553 memcpy(key.key, ext->key, key_len);
6554 break;
6555 default:
6556 return -EINVAL;
6557 }
6558 /* Send the key to the card */
c0380693
DW		 6559 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6560 if (rc < 0) {
6561 airo_print_err(local->dev->name, "failed to set WEP key"
6562 " at index %d: %d.", idx, rc);
6563 return rc;
6564 }
4be757dd
DW		 6565 }
6566
6567 /* Read the flags */
6568 if(encoding->flags & IW_ENCODE_DISABLED)
6569 local->config.authType = AUTH_OPEN; // disable encryption
6570 if(encoding->flags & IW_ENCODE_RESTRICTED)
6571 local->config.authType = AUTH_SHAREDKEY; // Only Both
6572 if(encoding->flags & IW_ENCODE_OPEN)
6573 local->config.authType = AUTH_ENCRYPT; // Only Wep
6574 /* Commit the changes to flags if needed */
6575 if (local->config.authType != currentAuthType)
6576 set_bit (FLAG_COMMIT, &local->flags);
6577
6578 return -EINPROGRESS;
6579}
6580
6581
6582/*------------------------------------------------------------------*/
6583/*
6584 * Wireless Handler : get extended Encryption parameters
6585 */
6586static int airo_get_encodeext(struct net_device *dev,
6587 struct iw_request_info *info,
6588 union iwreq_data *wrqu,
6589 char *extra)
6590{
faf3994a 6591 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6592 struct iw_point *encoding = &wrqu->encoding;
6593 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6594 int idx, max_key_len;
c0380693 6595 u8 buf[16];
4be757dd 6596
138c0c68 6597 if (!local->wep_capable)
4be757dd 6598 return -EOPNOTSUPP;
138c0c68 6599
4be757dd
DW		 6600 readConfigRid(local, 1);
6601
6602 max_key_len = encoding->length - sizeof(*ext);
6603 if (max_key_len < 0)
6604 return -EINVAL;
6605
6606 idx = encoding->flags & IW_ENCODE_INDEX;
6607 if (idx) {
138c0c68 6608 if (!valid_index(local, idx - 1))
4be757dd
DW		 6609 return -EINVAL;
6610 idx--;
c0380693
DW		 6611 } else {
6612 idx = get_wep_tx_idx(local);
6613 if (idx < 0)
6614 idx = 0;
6615 }
4be757dd
DW		 6616
6617 encoding->flags = idx + 1;
6618 memset(ext, 0, sizeof(*ext));
6619
6620 /* Check encryption mode */
6621 switch(local->config.authType) {
6622 case AUTH_ENCRYPT:
6623 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6624 break;
6625 case AUTH_SHAREDKEY:
6626 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6627 break;
6628 default:
6629 case AUTH_OPEN:
6630 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6631 break;
6632 }
6633 /* We can't return the key, so set the proper flag and return zero */
6634 encoding->flags |= IW_ENCODE_NOKEY;
6635 memset(extra, 0, 16);
6636
6637 /* Copy the key to the user buffer */
c0380693
DW		 6638 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6639 memcpy(extra, buf, ext->key_len);
4be757dd
DW		 6640
6641 return 0;
6642}
6643
6644
6645/*------------------------------------------------------------------*/
6646/*
6647 * Wireless Handler : set extended authentication parameters
6648 */
6649static int airo_set_auth(struct net_device *dev,
6650 struct iw_request_info *info,
6651 union iwreq_data *wrqu, char *extra)
6652{
faf3994a 6653 struct airo_info *local = dev->ml_priv;
4be757dd 6654 struct iw_param *param = &wrqu->param;
3eb9b41f 6655 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6656
6657 switch (param->flags & IW_AUTH_INDEX) {
6658 case IW_AUTH_WPA_VERSION:
6659 case IW_AUTH_CIPHER_PAIRWISE:
6660 case IW_AUTH_CIPHER_GROUP:
6661 case IW_AUTH_KEY_MGMT:
6662 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6663 case IW_AUTH_PRIVACY_INVOKED:
6664 /*
6665 * airo does not use these parameters
6666 */
6667 break;
6668
6669 case IW_AUTH_DROP_UNENCRYPTED:
6670 if (param->value) {
6671 /* Only change auth type if unencrypted */
6672 if (currentAuthType == AUTH_OPEN)
6673 local->config.authType = AUTH_ENCRYPT;
6674 } else {
6675 local->config.authType = AUTH_OPEN;
6676 }
6677
6678 /* Commit the changes to flags if needed */
6679 if (local->config.authType != currentAuthType)
6680 set_bit (FLAG_COMMIT, &local->flags);
6681 break;
6682
6683 case IW_AUTH_80211_AUTH_ALG: {
6684 /* FIXME: What about AUTH_OPEN? This API seems to
6685 * disallow setting our auth to AUTH_OPEN.
6686 */
6687 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6688 local->config.authType = AUTH_SHAREDKEY;
6689 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6690 local->config.authType = AUTH_ENCRYPT;
6691 } else
6692 return -EINVAL;
6693 break;
6694
6695 /* Commit the changes to flags if needed */
6696 if (local->config.authType != currentAuthType)
6697 set_bit (FLAG_COMMIT, &local->flags);
6698 }
6699
6700 case IW_AUTH_WPA_ENABLED:
6701 /* Silently accept disable of WPA */
6702 if (param->value > 0)
6703 return -EOPNOTSUPP;
6704 break;
6705
6706 default:
6707 return -EOPNOTSUPP;
6708 }
6709 return -EINPROGRESS;
6710}
6711
6712
6713/*------------------------------------------------------------------*/
6714/*
6715 * Wireless Handler : get extended authentication parameters
6716 */
6717static int airo_get_auth(struct net_device *dev,
6718 struct iw_request_info *info,
6719 union iwreq_data *wrqu, char *extra)
6720{
faf3994a 6721 struct airo_info *local = dev->ml_priv;
4be757dd 6722 struct iw_param *param = &wrqu->param;
3eb9b41f 6723 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6724
6725 switch (param->flags & IW_AUTH_INDEX) {
6726 case IW_AUTH_DROP_UNENCRYPTED:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6729 case AUTH_ENCRYPT:
6730 param->value = 1;
6731 break;
6732 default:
6733 param->value = 0;
6734 break;
6735 }
6736 break;
6737
6738 case IW_AUTH_80211_AUTH_ALG:
6739 switch (currentAuthType) {
6740 case AUTH_SHAREDKEY:
6741 param->value = IW_AUTH_ALG_SHARED_KEY;
6742 break;
6743 case AUTH_ENCRYPT:
6744 default:
6745 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6746 break;
6747 }
6748 break;
6749
6750 case IW_AUTH_WPA_ENABLED:
6751 param->value = 0;
6752 break;
6753
6754 default:
6755 return -EOPNOTSUPP;
6756 }
6757 return 0;
6758}
6759
6760
1da177e4
LT		 6761/*------------------------------------------------------------------*/
6762/*
6763 * Wireless Handler : set Tx-Power
6764 */
6765static int airo_set_txpow(struct net_device *dev,
6766 struct iw_request_info *info,
6767 struct iw_param *vwrq,
6768 char *extra)
6769{
faf3994a 6770 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6771 CapabilityRid cap_rid; /* Card capability info */
6772 int i;
6773 int rc = -EINVAL;
3eb9b41f 6774 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6775
6776 readCapabilityRid(local, &cap_rid, 1);
6777
6778 if (vwrq->disabled) {
6779 set_bit (FLAG_RADIO_OFF, &local->flags);
6780 set_bit (FLAG_COMMIT, &local->flags);
6781 return -EINPROGRESS; /* Call commit handler */
6782 }
6783 if (vwrq->flags != IW_TXPOW_MWATT) {
6784 return -EINVAL;
6785 }
6786 clear_bit (FLAG_RADIO_OFF, &local->flags);
6787 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
3eb9b41f 6788 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6789 readConfigRid(local, 1);
3eb9b41f 6790 local->config.txPower = v;
1da177e4
LT		 6791 set_bit (FLAG_COMMIT, &local->flags);
6792 rc = -EINPROGRESS; /* Call commit handler */
6793 break;
6794 }
6795 return rc;
6796}
6797
6798/*------------------------------------------------------------------*/
6799/*
6800 * Wireless Handler : get Tx-Power
6801 */
6802static int airo_get_txpow(struct net_device *dev,
6803 struct iw_request_info *info,
6804 struct iw_param *vwrq,
6805 char *extra)
6806{
faf3994a 6807 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6808
6809 readConfigRid(local, 1);
3eb9b41f 6810 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6811 vwrq->fixed = 1; /* No power control */
6812 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6813 vwrq->flags = IW_TXPOW_MWATT;
6814
6815 return 0;
6816}
6817
6818/*------------------------------------------------------------------*/
6819/*
6820 * Wireless Handler : set Retry limits
6821 */
6822static int airo_set_retry(struct net_device *dev,
6823 struct iw_request_info *info,
6824 struct iw_param *vwrq,
6825 char *extra)
6826{
faf3994a 6827 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6828 int rc = -EINVAL;
6829
6830 if(vwrq->disabled) {
6831 return -EINVAL;
6832 }
6833 readConfigRid(local, 1);
6834 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6835 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6836 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6837 local->config.longRetryLimit = v;
7f8544cc 6838 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6839 local->config.shortRetryLimit = v;
1da177e4
LT		 6840 else {
6841 /* No modifier : set both */
3eb9b41f
AV		 6842 local->config.longRetryLimit = v;
6843 local->config.shortRetryLimit = v;
1da177e4
LT		 6844 }
6845 set_bit (FLAG_COMMIT, &local->flags);
6846 rc = -EINPROGRESS; /* Call commit handler */
6847 }
6848 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6849 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6850 set_bit (FLAG_COMMIT, &local->flags);
6851 rc = -EINPROGRESS; /* Call commit handler */
6852 }
6853 return rc;
6854}
6855
6856/*------------------------------------------------------------------*/
6857/*
6858 * Wireless Handler : get Retry limits
6859 */
6860static int airo_get_retry(struct net_device *dev,
6861 struct iw_request_info *info,
6862 struct iw_param *vwrq,
6863 char *extra)
6864{
faf3994a 6865 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6866
6867 vwrq->disabled = 0; /* Can't be disabled */
6868
6869 readConfigRid(local, 1);
6870 /* Note : by default, display the min retry number */
6871 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6872 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6873 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6874 } else if((vwrq->flags & IW_RETRY_LONG)) {
6875 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6876 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6877 } else {
6878 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6879 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6880 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6881 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6882 }
6883
6884 return 0;
6885}
6886
6887/*------------------------------------------------------------------*/
6888/*
6889 * Wireless Handler : get range info
6890 */
6891static int airo_get_range(struct net_device *dev,
6892 struct iw_request_info *info,
6893 struct iw_point *dwrq,
6894 char *extra)
6895{
faf3994a 6896 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6897 struct iw_range *range = (struct iw_range *) extra;
6898 CapabilityRid cap_rid; /* Card capability info */
6899 int i;
6900 int k;
6901
6902 readCapabilityRid(local, &cap_rid, 1);
6903
6904 dwrq->length = sizeof(struct iw_range);
6905 memset(range, 0, sizeof(*range));
6906 range->min_nwid = 0x0000;
6907 range->max_nwid = 0x0000;
6908 range->num_channels = 14;
6909 /* Should be based on cap_rid.country to give only
6910 * what the current card support */
6911 k = 0;
6912 for(i = 0; i < 14; i++) {
6913 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK		 6914 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6915 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT		 6916 }
6917 range->num_frequency = k;
6918
41480af2
DW		 6919 range->sensitivity = 65535;
6920
1da177e4 6921 /* Hum... Should put the right values there */
41480af2
DW		 6922 if (local->rssi)
6923 range->max_qual.qual = 100; /* % */
6924 else
6925 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6926 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6927 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6928
6929 /* Experimental measurements - boundary 11/5.5 Mb/s */
6930 /* Note : with or without the (local->rssi), results
6931 * are somewhat different. - Jean II */
6932 if (local->rssi) {
ce6623c3
JT		 6933 range->avg_qual.qual = 50; /* % */
6934 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6935 } else {
6936 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6937 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6938 }
ce6623c3 6939 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6940
6941 for(i = 0 ; i < 8 ; i++) {
6942 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6943 if(range->bitrate[i] == 0)
6944 break;
6945 }
6946 range->num_bitrates = i;
6947
6948 /* Set an indication of the max TCP throughput
6949 * in bit/s that we can expect using this interface.
6950 * May be use for QoS stuff... Jean II */
6951 if(i > 2)
6952 range->throughput = 5000 * 1000;
6953 else
6954 range->throughput = 1500 * 1000;
6955
6956 range->min_rts = 0;
15db2763 6957 range->max_rts = AIRO_DEF_MTU;
1da177e4 6958 range->min_frag = 256;
15db2763 6959 range->max_frag = AIRO_DEF_MTU;
1da177e4 6960
56d81bd3 6961 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 6962 // WEP: RC4 40 bits
6963 range->encoding_size[0] = 5;
6964 // RC4 ~128 bits
56d81bd3 6965 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 6966 range->encoding_size[1] = 13;
6967 range->num_encoding_sizes = 2;
6968 } else
6969 range->num_encoding_sizes = 1;
56d81bd3
AV		 6970 range->max_encoding_tokens =
6971 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 6972 } else {
6973 range->num_encoding_sizes = 0;
6974 range->max_encoding_tokens = 0;
6975 }
6976 range->min_pmp = 0;
6977 range->max_pmp = 5000000; /* 5 secs */
6978 range->min_pmt = 0;
6979 range->max_pmt = 65535 * 1024; /* ??? */
6980 range->pmp_flags = IW_POWER_PERIOD;
6981 range->pmt_flags = IW_POWER_TIMEOUT;
6982 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6983
6984 /* Transmit Power - values are in mW */
6985 for(i = 0 ; i < 8 ; i++) {
56d81bd3 6986 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 6987 if(range->txpower[i] == 0)
6988 break;
6989 }
6990 range->num_txpower = i;
6991 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6992 range->we_version_source = 19;
1da177e4
LT		 6993 range->we_version_compiled = WIRELESS_EXT;
6994 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6995 range->retry_flags = IW_RETRY_LIMIT;
6996 range->r_time_flags = IW_RETRY_LIFETIME;
6997 range->min_retry = 1;
6998 range->max_retry = 65535;
6999 range->min_r_time = 1024;
7000 range->max_r_time = 65535 * 1024;
1da177e4
LT		 7001
7002 /* Event capability (kernel + driver) */
7003 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7004 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7005 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7006 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7007 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7008 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7009 return 0;
7010}
7011
7012/*------------------------------------------------------------------*/
7013/*
7014 * Wireless Handler : set Power Management
7015 */
7016static int airo_set_power(struct net_device *dev,
7017 struct iw_request_info *info,
7018 struct iw_param *vwrq,
7019 char *extra)
7020{
faf3994a 7021 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7022
7023 readConfigRid(local, 1);
7024 if (vwrq->disabled) {
3eb9b41f 7025 if (sniffing_mode(local))
1da177e4 7026 return -EINVAL;
1da177e4 7027 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7028 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7029 local->config.rmode |= RXMODE_BC_MC_ADDR;
7030 set_bit (FLAG_COMMIT, &local->flags);
7031 return -EINPROGRESS; /* Call commit handler */
7032 }
7033 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7034 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7035 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7036 set_bit (FLAG_COMMIT, &local->flags);
7037 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 7038 local->config.fastListenInterval =
7039 local->config.listenInterval =
7040 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7041 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7042 set_bit (FLAG_COMMIT, &local->flags);
7043 }
7044 switch (vwrq->flags & IW_POWER_MODE) {
7045 case IW_POWER_UNICAST_R:
3eb9b41f 7046 if (sniffing_mode(local))
1da177e4 7047 return -EINVAL;
3eb9b41f 7048 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7049 local->config.rmode |= RXMODE_ADDR;
7050 set_bit (FLAG_COMMIT, &local->flags);
7051 break;
7052 case IW_POWER_ALL_R:
3eb9b41f 7053 if (sniffing_mode(local))
1da177e4 7054 return -EINVAL;
3eb9b41f 7055 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7056 local->config.rmode |= RXMODE_BC_MC_ADDR;
7057 set_bit (FLAG_COMMIT, &local->flags);
7058 case IW_POWER_ON:
7f8544cc 7059 /* This is broken, fixme ;-) */
1da177e4
LT		 7060 break;
7061 default:
7062 return -EINVAL;
7063 }
7064 // Note : we may want to factor local->need_commit here
7065 // Note2 : may also want to factor RXMODE_RFMON test
7066 return -EINPROGRESS; /* Call commit handler */
7067}
7068
7069/*------------------------------------------------------------------*/
7070/*
7071 * Wireless Handler : get Power Management
7072 */
7073static int airo_get_power(struct net_device *dev,
7074 struct iw_request_info *info,
7075 struct iw_param *vwrq,
7076 char *extra)
7077{
faf3994a 7078 struct airo_info *local = dev->ml_priv;
3eb9b41f 7079 __le16 mode;
1da177e4
LT		 7080
7081 readConfigRid(local, 1);
7082 mode = local->config.powerSaveMode;
7083 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7084 return 0;
7085 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7086 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 7087 vwrq->flags = IW_POWER_TIMEOUT;
7088 } else {
3eb9b41f 7089 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 7090 vwrq->flags = IW_POWER_PERIOD;
7091 }
3eb9b41f 7092 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 7093 vwrq->flags |= IW_POWER_UNICAST_R;
7094 else
7095 vwrq->flags |= IW_POWER_ALL_R;
7096
7097 return 0;
7098}
7099
7100/*------------------------------------------------------------------*/
7101/*
7102 * Wireless Handler : set Sensitivity
7103 */
7104static int airo_set_sens(struct net_device *dev,
7105 struct iw_request_info *info,
7106 struct iw_param *vwrq,
7107 char *extra)
7108{
faf3994a 7109 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7110
7111 readConfigRid(local, 1);
3eb9b41f
AV		 7112 local->config.rssiThreshold =
7113 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7114 set_bit (FLAG_COMMIT, &local->flags);
7115
7116 return -EINPROGRESS; /* Call commit handler */
7117}
7118
7119/*------------------------------------------------------------------*/
7120/*
7121 * Wireless Handler : get Sensitivity
7122 */
7123static int airo_get_sens(struct net_device *dev,
7124 struct iw_request_info *info,
7125 struct iw_param *vwrq,
7126 char *extra)
7127{
faf3994a 7128 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7129
7130 readConfigRid(local, 1);
3eb9b41f 7131 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7132 vwrq->disabled = (vwrq->value == 0);
7133 vwrq->fixed = 1;
7134
7135 return 0;
7136}
7137
7138/*------------------------------------------------------------------*/
7139/*
7140 * Wireless Handler : get AP List
7141 * Note : this is deprecated in favor of IWSCAN
7142 */
7143static int airo_get_aplist(struct net_device *dev,
7144 struct iw_request_info *info,
7145 struct iw_point *dwrq,
7146 char *extra)
7147{
faf3994a 7148 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7149 struct sockaddr *address = (struct sockaddr *) extra;
7150 struct iw_quality qual[IW_MAX_AP];
7151 BSSListRid BSSList;
7152 int i;
7153 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7154
7155 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7156 u16 dBm;
1da177e4
LT		 7157 if (readBSSListRid(local, loseSync, &BSSList))
7158 break;
7159 loseSync = 0;
7160 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7161 address[i].sa_family = ARPHRD_ETHER;
17e70491 7162 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7163 if (local->rssi) {
17e70491
AV		 7164 qual[i].level = 0x100 - dBm;
7165 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7166 qual[i].updated = IW_QUAL_QUAL_UPDATED
7167 | IW_QUAL_LEVEL_UPDATED
7168 | IW_QUAL_DBM;
41480af2 7169 } else {
17e70491 7170 qual[i].level = (dBm + 321) / 2;
41480af2 7171 qual[i].qual = 0;
ce6623c3
JT		 7172 qual[i].updated = IW_QUAL_QUAL_INVALID
7173 | IW_QUAL_LEVEL_UPDATED
7174 | IW_QUAL_DBM;
41480af2
DW		 7175 }
7176 qual[i].noise = local->wstats.qual.noise;
17e70491 7177 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7178 break;
7179 }
7180 if (!i) {
7181 StatusRid status_rid; /* Card status info */
7182 readStatusRid(local, &status_rid, 1);
7183 for (i = 0;
7184 i < min(IW_MAX_AP, 4) &&
7185 (status_rid.bssid[i][0]
7186 & status_rid.bssid[i][1]
7187 & status_rid.bssid[i][2]
7188 & status_rid.bssid[i][3]
7189 & status_rid.bssid[i][4]
7190 & status_rid.bssid[i][5])!=0xff &&
7191 (status_rid.bssid[i][0]
7192 | status_rid.bssid[i][1]
7193 | status_rid.bssid[i][2]
7194 | status_rid.bssid[i][3]
7195 | status_rid.bssid[i][4]
7196 | status_rid.bssid[i][5]);
7197 i++) {
7198 memcpy(address[i].sa_data,
7199 status_rid.bssid[i], ETH_ALEN);
7200 address[i].sa_family = ARPHRD_ETHER;
7201 }
7202 } else {
7203 dwrq->flags = 1; /* Should be define'd */
7204 memcpy(extra + sizeof(struct sockaddr)*i,
7205 &qual, sizeof(struct iw_quality)*i);
7206 }
7207 dwrq->length = i;
7208
7209 return 0;
7210}
7211
7212/*------------------------------------------------------------------*/
7213/*
7214 * Wireless Handler : Initiate Scan
7215 */
7216static int airo_set_scan(struct net_device *dev,
7217 struct iw_request_info *info,
9930ccee 7218 struct iw_point *dwrq,
1da177e4
LT		 7219 char *extra)
7220{
faf3994a 7221 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7222 Cmd cmd;
7223 Resp rsp;
9e75af30 7224 int wake = 0;
1da177e4
LT		 7225
7226 /* Note : you may have realised that, as this is a SET operation,
7227 * this is privileged and therefore a normal user can't
7228 * perform scanning.
7229 * This is not an error, while the device perform scanning,
7230 * traffic doesn't flow, so it's a perfect DoS...
7231 * Jean II */
7232 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7233
9e75af30
DW		 7234 if (down_interruptible(&ai->sem))
7235 return -ERESTARTSYS;
7236
7237 /* If there's already a scan in progress, don't
7238 * trigger another one. */
7239 if (ai->scan_timeout > 0)
7240 goto out;
7241
1da177e4 7242 /* Initiate a scan command */
6fcdf565 7243 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7244 memset(&cmd, 0, sizeof(cmd));
7245 cmd.cmd=CMD_LISTBSS;
1da177e4 7246 issuecommand(ai, &cmd, &rsp);
9e75af30 7247 wake = 1;
1da177e4 7248
9e75af30
DW		 7249out:
7250 up(&ai->sem);
7251 if (wake)
7252 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7253 return 0;
7254}
7255
7256/*------------------------------------------------------------------*/
7257/*
7258 * Translate scan data returned from the card to a card independent
7259 * format that the Wireless Tools will understand - Jean II
7260 */
7261static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7262 struct iw_request_info *info,
1da177e4
LT		 7263 char *current_ev,
7264 char *end_buf,
41480af2 7265 BSSListRid *bss)
1da177e4 7266{
faf3994a 7267 struct airo_info *ai = dev->ml_priv;
1da177e4 7268 struct iw_event iwe; /* Temporary buffer */
17e70491 7269 __le16 capabilities;
1da177e4
LT		 7270 char * current_val; /* For rates */
7271 int i;
3c304956 7272 char * buf;
851b3e5e 7273 u16 dBm;
1da177e4
LT		 7274
7275 /* First entry *MUST* be the AP MAC address */
7276 iwe.cmd = SIOCGIWAP;
7277 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7278 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM		 7279 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7280 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 7281
7282 /* Other entries will be displayed in the order we give them */
7283
7284 /* Add the ESSID */
41480af2 7285 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7286 if(iwe.u.data.length > 32)
7287 iwe.u.data.length = 32;
7288 iwe.cmd = SIOCGIWESSID;
7289 iwe.u.data.flags = 1;
ccc58057
DM		 7290 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7291 &iwe, bss->ssid);
1da177e4
LT		 7292
7293 /* Add mode */
7294 iwe.cmd = SIOCGIWMODE;
17e70491 7295 capabilities = bss->cap;
1da177e4
LT		 7296 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7297 if(capabilities & CAP_ESS)
7298 iwe.u.mode = IW_MODE_MASTER;
7299 else
7300 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 7301 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7302 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 7303 }
7304
7305 /* Add frequency */
7306 iwe.cmd = SIOCGIWFREQ;
41480af2 7307 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7308 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7309 iwe.u.freq.e = 1;
ccc58057
DM		 7310 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7311 &iwe, IW_EV_FREQ_LEN);
1da177e4 7312
851b3e5e
AV		 7313 dBm = le16_to_cpu(bss->dBm);
7314
1da177e4
LT		 7315 /* Add quality statistics */
7316 iwe.cmd = IWEVQUAL;
41480af2 7317 if (ai->rssi) {
851b3e5e
AV		 7318 iwe.u.qual.level = 0x100 - dBm;
7319 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7320 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7321 | IW_QUAL_LEVEL_UPDATED
7322 | IW_QUAL_DBM;
41480af2 7323 } else {
851b3e5e 7324 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7325 iwe.u.qual.qual = 0;
bbeec90b 7326 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7327 | IW_QUAL_LEVEL_UPDATED
7328 | IW_QUAL_DBM;
41480af2
DW		 7329 }
7330 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM		 7331 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7332 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 7333
7334 /* Add encryption capability */
7335 iwe.cmd = SIOCGIWENCODE;
7336 if(capabilities & CAP_PRIVACY)
7337 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7338 else
7339 iwe.u.data.flags = IW_ENCODE_DISABLED;
7340 iwe.u.data.length = 0;
ccc58057
DM		 7341 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7342 &iwe, bss->ssid);
1da177e4
LT		 7343
7344 /* Rate : stuffing multiple values in a single event require a bit
7345 * more of magic - Jean II */
ccc58057 7346 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT		 7347
7348 iwe.cmd = SIOCGIWRATE;
7349 /* Those two flags are ignored... */
7350 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7351 /* Max 8 values */
7352 for(i = 0 ; i < 8 ; i++) {
7353 /* NULL terminated */
41480af2 7354 if(bss->rates[i] == 0)
1da177e4
LT		 7355 break;
7356 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7357 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7358 /* Add new value to event */
ccc58057
DM		 7359 current_val = iwe_stream_add_value(info, current_ev,
7360 current_val, end_buf,
7361 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 7362 }
7363 /* Check if we added any event */
ccc58057 7364 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT		 7365 current_ev = current_val;
7366
3c304956
DW		 7367 /* Beacon interval */
7368 buf = kmalloc(30, GFP_KERNEL);
7369 if (buf) {
7370 iwe.cmd = IWEVCUSTOM;
7371 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7372 iwe.u.data.length = strlen(buf);
ccc58057
DM		 7373 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7374 &iwe, buf);
3c304956
DW		 7375 kfree(buf);
7376 }
7377
7378 /* Put WPA/RSN Information Elements into the event stream */
7379 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7380 unsigned int num_null_ies = 0;
7381 u16 length = sizeof (bss->extra.iep);
2c706002 7382 u8 *ie = (void *)&bss->extra.iep;
3c304956 7383
2c706002
JB		 7384 while ((length >= 2) && (num_null_ies < 2)) {
7385 if (2 + ie[1] > length) {
3c304956
DW		 7386 /* Invalid element, don't continue parsing IE */
7387 break;
7388 }
7389
2c706002
JB		 7390 switch (ie[0]) {
7391 case WLAN_EID_SSID:
3c304956
DW		 7392 /* Two zero-length SSID elements
7393 * mean we're done parsing elements */
2c706002 7394 if (!ie[1])
3c304956
DW		 7395 num_null_ies++;
7396 break;
7397
2c706002
JB		 7398 case WLAN_EID_GENERIC:
7399 if (ie[1] >= 4 &&
7400 ie[2] == 0x00 &&
7401 ie[3] == 0x50 &&
7402 ie[4] == 0xf2 &&
7403 ie[5] == 0x01) {
3c304956 7404 iwe.cmd = IWEVGENIE;
2c706002
JB		 7405 /* 64 is an arbitrary cut-off */
7406 iwe.u.data.length = min(ie[1] + 2,
7407 64);
ccc58057
DM		 7408 current_ev = iwe_stream_add_point(
7409 info, current_ev,
2c706002 7410 end_buf, &iwe, ie);
3c304956
DW		 7411 }
7412 break;
7413
2c706002 7414 case WLAN_EID_RSN:
3c304956 7415 iwe.cmd = IWEVGENIE;
2c706002
JB		 7416 /* 64 is an arbitrary cut-off */
7417 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM		 7418 current_ev = iwe_stream_add_point(
7419 info, current_ev, end_buf,
2c706002 7420 &iwe, ie);
3c304956
DW		 7421 break;
7422
7423 default:
7424 break;
7425 }
7426
2c706002
JB		 7427 length -= 2 + ie[1];
7428 ie += 2 + ie[1];
3c304956
DW		 7429 }
7430 }
1da177e4
LT		 7431 return current_ev;
7432}
7433
7434/*------------------------------------------------------------------*/
7435/*
7436 * Wireless Handler : Read Scan Results
7437 */
7438static int airo_get_scan(struct net_device *dev,
7439 struct iw_request_info *info,
7440 struct iw_point *dwrq,
7441 char *extra)
7442{
faf3994a 7443 struct airo_info *ai = dev->ml_priv;
9e75af30
DW		 7444 BSSListElement *net;
7445 int err = 0;
1da177e4
LT		 7446 char *current_ev = extra;
7447
9e75af30
DW		 7448 /* If a scan is in-progress, return -EAGAIN */
7449 if (ai->scan_timeout > 0)
1da177e4 7450 return -EAGAIN;
1da177e4 7451
9e75af30
DW		 7452 if (down_interruptible(&ai->sem))
7453 return -EAGAIN;
1da177e4 7454
9e75af30 7455 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7456 /* Translate to WE format this entry */
ccc58057 7457 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7458 extra + dwrq->length,
9e75af30 7459 &net->bss);
1da177e4
LT		 7460
7461 /* Check if there is space for one more entry */
7462 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7463 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7464 err = -E2BIG;
7465 goto out;
1da177e4 7466 }
1da177e4 7467 }
9e75af30 7468
1da177e4
LT		 7469 /* Length of data */
7470 dwrq->length = (current_ev - extra);
7471 dwrq->flags = 0; /* todo */
7472
9e75af30
DW		 7473out:
7474 up(&ai->sem);
7475 return err;
1da177e4
LT		 7476}
7477
7478/*------------------------------------------------------------------*/
7479/*
7480 * Commit handler : called after a bunch of SET operations
7481 */
7482static int airo_config_commit(struct net_device *dev,
7483 struct iw_request_info *info, /* NULL */
7484 void *zwrq, /* NULL */
7485 char *extra) /* NULL */
7486{
faf3994a 7487 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7488
7489 if (!test_bit (FLAG_COMMIT, &local->flags))
7490 return 0;
7491
7492 /* Some of the "SET" function may have modified some of the
7493 * parameters. It's now time to commit them in the card */
7494 disable_MAC(local, 1);
7495 if (test_bit (FLAG_RESET, &local->flags)) {
7496 APListRid APList_rid;
7497 SsidRid SSID_rid;
7498
7499 readAPListRid(local, &APList_rid);
7500 readSsidRid(local, &SSID_rid);
7501 if (test_bit(FLAG_MPI,&local->flags))
7502 setup_card(local, dev->dev_addr, 1 );
7503 else
7504 reset_airo_card(dev);
7505 disable_MAC(local, 1);
7506 writeSsidRid(local, &SSID_rid, 1);
7507 writeAPListRid(local, &APList_rid, 1);
7508 }
7509 if (down_interruptible(&local->sem))
7510 return -ERESTARTSYS;
7511 writeConfigRid(local, 0);
175ec1a1 7512 enable_MAC(local, 0);
1da177e4
LT		 7513 if (test_bit (FLAG_RESET, &local->flags))
7514 airo_set_promisc(local);
7515 else
7516 up(&local->sem);
7517
7518 return 0;
7519}
7520
7521/*------------------------------------------------------------------*/
7522/*
7523 * Structures to export the Wireless Handlers
7524 */
7525
7526static const struct iw_priv_args airo_private_args[] = {
7527/*{ cmd, set_args, get_args, name } */
7528 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7529 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7530 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7531 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7532};
7533
7534static const iw_handler airo_handler[] =
7535{
7536 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7537 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7538 (iw_handler) NULL, /* SIOCSIWNWID */
7539 (iw_handler) NULL, /* SIOCGIWNWID */
7540 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7541 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7542 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7543 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7544 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7545 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7546 (iw_handler) NULL, /* SIOCSIWRANGE */
7547 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7548 (iw_handler) NULL, /* SIOCSIWPRIV */
7549 (iw_handler) NULL, /* SIOCGIWPRIV */
7550 (iw_handler) NULL, /* SIOCSIWSTATS */
7551 (iw_handler) NULL, /* SIOCGIWSTATS */
7552 iw_handler_set_spy, /* SIOCSIWSPY */
7553 iw_handler_get_spy, /* SIOCGIWSPY */
7554 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7555 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7556 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7557 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7560 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7561 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7562 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7563 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7564 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7565 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* -- hole -- */
7568 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7569 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7570 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7571 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7572 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7573 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7574 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7575 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7576 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7577 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7578 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7579 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7580 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7581 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7582 (iw_handler) NULL, /* -- hole -- */
7583 (iw_handler) NULL, /* -- hole -- */
7584 (iw_handler) NULL, /* SIOCSIWGENIE */
7585 (iw_handler) NULL, /* SIOCGIWGENIE */
7586 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7587 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7588 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7589 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7590 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7591};
7592
7593/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7594 * We want to force the use of the ioctl code, because those can't be
7595 * won't work the iw_handler code (because they simultaneously read
7596 * and write data and iw_handler can't do that).
7597 * Note that it's perfectly legal to read/write on a single ioctl command,
7598 * you just can't use iwpriv and need to force it via the ioctl handler.
7599 * Jean II */
7600static const iw_handler airo_private_handler[] =
7601{
7602 NULL, /* SIOCIWFIRSTPRIV */
7603};
7604
7605static const struct iw_handler_def airo_handler_def =
7606{
ff8ac609
DC		 7607 .num_standard = ARRAY_SIZE(airo_handler),
7608 .num_private = ARRAY_SIZE(airo_private_handler),
7609 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7610 .standard = airo_handler,
7611 .private = airo_private_handler,
7612 .private_args = airo_private_args,
7613 .get_wireless_stats = airo_get_wireless_stats,
7614};
7615
1da177e4
LT		 7616/*
7617 * This defines the configuration part of the Wireless Extensions
7618 * Note : irq and spinlock protection will occur in the subroutines
7619 *
7620 * TODO :
7621 * o Check input value more carefully and fill correct values in range
7622 * o Test and shakeout the bugs (if any)
7623 *
7624 * Jean II
7625 *
7626 * Javier Achirica did a great job of merging code from the unnamed CISCO
7627 * developer that added support for flashing the card.
7628 */
7629static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7630{
7631 int rc = 0;
faf3994a 7632 struct airo_info *ai = dev->ml_priv;
1da177e4 7633
ca078bae 7634 if (ai->power.event)
1da177e4
LT		 7635 return 0;
7636
7637 switch (cmd) {
7638#ifdef CISCO_EXT
7639 case AIROIDIFC:
7640#ifdef AIROOLDIDIFC
7641 case AIROOLDIDIFC:
7642#endif
7643 {
7644 int val = AIROMAGIC;
7645 aironet_ioctl com;
7646 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7647 rc = -EFAULT;
7648 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7649 rc = -EFAULT;
7650 }
7651 break;
7652
7653 case AIROIOCTL:
7654#ifdef AIROOLDIOCTL
7655 case AIROOLDIOCTL:
7656#endif
7657 /* Get the command struct and hand it off for evaluation by
7658 * the proper subfunction
7659 */
7660 {
7661 aironet_ioctl com;
7662 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7663 rc = -EFAULT;
7664 break;
7665 }
7666
7667 /* Separate R/W functions bracket legality here
7668 */
7669 if ( com.command == AIRORSWVERSION ) {
7670 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7671 rc = -EFAULT;
7672 else
7673 rc = 0;
7674 }
7675 else if ( com.command <= AIRORRID)
7676 rc = readrids(dev,&com);
7677 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7678 rc = writerids(dev,&com);
7679 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7680 rc = flashcard(dev,&com);
7681 else
7682 rc = -EINVAL; /* Bad command in ioctl */
7683 }
7684 break;
7685#endif /* CISCO_EXT */
7686
7687 // All other calls are currently unsupported
7688 default:
7689 rc = -EOPNOTSUPP;
7690 }
7691 return rc;
7692}
7693
1da177e4
LT		 7694/*
7695 * Get the Wireless stats out of the driver
7696 * Note : irq and spinlock protection will occur in the subroutines
7697 *
7698 * TODO :
7699 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7700 *
7701 * Jean
7702 */
7703static void airo_read_wireless_stats(struct airo_info *local)
7704{
7705 StatusRid status_rid;
7706 StatsRid stats_rid;
7707 CapabilityRid cap_rid;
a23ace5f 7708 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7709
7710 /* Get stats out of the card */
3c304956 7711 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7712 if (local->power.event) {
1da177e4
LT		 7713 up(&local->sem);
7714 return;
7715 }
7716 readCapabilityRid(local, &cap_rid, 0);
7717 readStatusRid(local, &status_rid, 0);
7718 readStatsRid(local, &stats_rid, RID_STATS, 0);
7719 up(&local->sem);
7720
7721 /* The status */
329e2c00 7722 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7723
41480af2
DW		 7724 /* Signal quality and co */
7725 if (local->rssi) {
329e2c00
AV		 7726 local->wstats.qual.level =
7727 airo_rssi_to_dbm(local->rssi,
7728 le16_to_cpu(status_rid.sigQuality));
41480af2 7729 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7730 local->wstats.qual.qual =
7731 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7732 } else {
329e2c00
AV		 7733 local->wstats.qual.level =
7734 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7735 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7736 }
329e2c00 7737 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7738 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7739 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7740 } else {
7741 local->wstats.qual.noise = 0;
ce6623c3 7742 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7743 }
7744
7745 /* Packets discarded in the wireless adapter due to wireless
7746 * specific problems */
a23ace5f
AV		 7747 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7748 le32_to_cpu(vals[57]) +
7749 le32_to_cpu(vals[58]); /* SSID Mismatch */
7750 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7751 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7752 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7753 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7754 le32_to_cpu(vals[32]);
7755 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7756}
7757
ff1d2767 7758static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7759{
faf3994a 7760 struct airo_info *local = dev->ml_priv;
1da177e4 7761
3c304956 7762 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7763 /* Get stats out of the card if available */
7764 if (down_trylock(&local->sem) != 0) {
3c304956 7765 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7766 wake_up_interruptible(&local->thr_wait);
7767 } else
7768 airo_read_wireless_stats(local);
7769 }
7770
7771 return &local->wstats;
7772}
1da177e4
LT		 7773
7774#ifdef CISCO_EXT
7775/*
7776 * This just translates from driver IOCTL codes to the command codes to
7777 * feed to the radio's host interface. Things can be added/deleted
7778 * as needed. This represents the READ side of control I/O to
7779 * the card
7780 */
7781static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7782 unsigned short ridcode;
7783 unsigned char *iobuf;
7784 int len;
faf3994a 7785 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7786
7787 if (test_bit(FLAG_FLASHING, &ai->flags))
7788 return -EIO;
7789
7790 switch(comp->command)
7791 {
7792 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7793 case AIROGCFG: ridcode = RID_CONFIG;
7794 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7795 disable_MAC (ai, 1);
7796 writeConfigRid (ai, 1);
175ec1a1 7797 enable_MAC(ai, 1);
1da177e4
LT		 7798 }
7799 break;
7800 case AIROGSLIST: ridcode = RID_SSID; break;
7801 case AIROGVLIST: ridcode = RID_APLIST; break;
7802 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7803 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7804 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7805 /* Only super-user can read WEP keys */
7806 if (!capable(CAP_NET_ADMIN))
7807 return -EPERM;
7808 break;
7809 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7810 /* Only super-user can read WEP keys */
7811 if (!capable(CAP_NET_ADMIN))
7812 return -EPERM;
7813 break;
7814 case AIROGSTAT: ridcode = RID_STATUS; break;
7815 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7816 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7817 case AIROGMICSTATS:
7818 if (copy_to_user(comp->data, &ai->micstats,
7819 min((int)comp->len,(int)sizeof(ai->micstats))))
7820 return -EFAULT;
7821 return 0;
1da177e4
LT		 7822 case AIRORRID: ridcode = comp->ridnum; break;
7823 default:
7824 return -EINVAL;
7825 break;
7826 }
7827
7828 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7829 return -ENOMEM;
7830
7831 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7832 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7833 * then return it to the user
7834 * 9/22/2000 Honor user given length
7835 */
7836 len = comp->len;
7837
7838 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7839 kfree (iobuf);
7840 return -EFAULT;
7841 }
7842 kfree (iobuf);
7843 return 0;
7844}
7845
7846/*
7847 * Danger Will Robinson write the rids here
7848 */
7849
7850static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7851 struct airo_info *ai = dev->ml_priv;
1da177e4 7852 int ridcode;
1da177e4 7853 int enabled;
1da177e4
LT		 7854 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7855 unsigned char *iobuf;
7856
7857 /* Only super-user can write RIDs */
7858 if (!capable(CAP_NET_ADMIN))
7859 return -EPERM;
7860
7861 if (test_bit(FLAG_FLASHING, &ai->flags))
7862 return -EIO;
7863
7864 ridcode = 0;
7865 writer = do_writerid;
7866
7867 switch(comp->command)
7868 {
7869 case AIROPSIDS: ridcode = RID_SSID; break;
7870 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7871 case AIROPAPLIST: ridcode = RID_APLIST; break;
7872 case AIROPCFG: ai->config.len = 0;
7873 clear_bit(FLAG_COMMIT, &ai->flags);
7874 ridcode = RID_CONFIG; break;
7875 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7876 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7877 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7878 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7879 break;
7880 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7881 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7882
7883 /* this is not really a rid but a command given to the card
7884 * same with MAC off
7885 */
7886 case AIROPMACON:
175ec1a1 7887 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7888 return -EIO;
7889 return 0;
7890
7891 /*
7892 * Evidently this code in the airo driver does not get a symbol
7893 * as disable_MAC. it's probably so short the compiler does not gen one.
7894 */
7895 case AIROPMACOFF:
7896 disable_MAC(ai, 1);
7897 return 0;
7898
7899 /* This command merely clears the counts does not actually store any data
7900 * only reads rid. But as it changes the cards state, I put it in the
7901 * writerid routines.
7902 */
7903 case AIROPSTCLR:
7904 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7905 return -ENOMEM;
7906
7907 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7908
1da177e4
LT		 7909 enabled = ai->micstats.enabled;
7910 memset(&ai->micstats,0,sizeof(ai->micstats));
7911 ai->micstats.enabled = enabled;
1da177e4
LT		 7912
7913 if (copy_to_user(comp->data, iobuf,
7914 min((int)comp->len, (int)RIDSIZE))) {
7915 kfree (iobuf);
7916 return -EFAULT;
7917 }
7918 kfree (iobuf);
7919 return 0;
7920
7921 default:
7922 return -EOPNOTSUPP; /* Blarg! */
7923 }
7924 if(comp->len > RIDSIZE)
7925 return -EINVAL;
7926
7927 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7928 return -ENOMEM;
7929
7930 if (copy_from_user(iobuf,comp->data,comp->len)) {
7931 kfree (iobuf);
7932 return -EFAULT;
7933 }
7934
7935 if (comp->command == AIROPCFG) {
7936 ConfigRid *cfg = (ConfigRid *)iobuf;
7937
7938 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7939 cfg->opmode |= MODE_MIC;
1da177e4 7940
3eb9b41f 7941 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7942 set_bit (FLAG_ADHOC, &ai->flags);
7943 else
7944 clear_bit (FLAG_ADHOC, &ai->flags);
7945 }
7946
7947 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7948 kfree (iobuf);
7949 return -EIO;
7950 }
7951 kfree (iobuf);
7952 return 0;
7953}
7954
7955/*****************************************************************************
7956 * Ancillary flash / mod functions much black magic lurkes here *
7957 *****************************************************************************
7958 */
7959
7960/*
7961 * Flash command switch table
7962 */
7963
ff1d2767 7964static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7965 int z;
1da177e4
LT		 7966
7967 /* Only super-user can modify flash */
7968 if (!capable(CAP_NET_ADMIN))
7969 return -EPERM;
7970
7971 switch(comp->command)
7972 {
7973 case AIROFLSHRST:
faf3994a 7974 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7975
7976 case AIROFLSHSTFL:
faf3994a
WC		 7977 if (!AIRO_FLASH(dev) &&
7978 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 7979 return -ENOMEM;
faf3994a 7980 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7981
7982 case AIROFLSHGCHR: /* Get char from aux */
7983 if(comp->len != sizeof(int))
7984 return -EINVAL;
7985 if (copy_from_user(&z,comp->data,comp->len))
7986 return -EFAULT;
faf3994a 7987 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 7988
7989 case AIROFLSHPCHR: /* Send char to card. */
7990 if(comp->len != sizeof(int))
7991 return -EINVAL;
7992 if (copy_from_user(&z,comp->data,comp->len))
7993 return -EFAULT;
faf3994a 7994 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 7995
7996 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 7997 if (!AIRO_FLASH(dev))
1da177e4
LT		 7998 return -ENOMEM;
7999 if(comp->len > FLASHSIZE)
8000 return -EINVAL;
faf3994a 8001 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT		 8002 return -EFAULT;
8003
faf3994a 8004 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8005 return 0;
8006
8007 case AIRORESTART:
faf3994a 8008 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT		 8009 return -EIO;
8010 return 0;
8011 }
8012 return -EINVAL;
8013}
8014
8015#define FLASH_COMMAND 0x7e7e
8016
8017/*
8018 * STEP 1)
8019 * Disable MAC and do soft reset on
8020 * card.
8021 */
8022
ff1d2767 8023static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8024 disable_MAC(ai, 1);
8025
8026 if(!waitbusy (ai)){
934d8bf1 8027 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8028 return -EBUSY;
8029 }
8030
8031 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8032
8033 ssleep(1); /* WAS 600 12/7/00 */
8034
8035 if(!waitbusy (ai)){
934d8bf1 8036 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8037 return -EBUSY;
8038 }
8039 return 0;
8040}
8041
8042/* STEP 2)
8043 * Put the card in legendary flash
8044 * mode
8045 */
8046
ff1d2767 8047static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8048 set_bit (FLAG_FLASHING, &ai->flags);
8049
8050 OUT4500(ai, SWS0, FLASH_COMMAND);
8051 OUT4500(ai, SWS1, FLASH_COMMAND);
8052 if (probe) {
8053 OUT4500(ai, SWS0, FLASH_COMMAND);
8054 OUT4500(ai, COMMAND,0x10);
8055 } else {
8056 OUT4500(ai, SWS2, FLASH_COMMAND);
8057 OUT4500(ai, SWS3, FLASH_COMMAND);
8058 OUT4500(ai, COMMAND,0);
8059 }
8060 msleep(500); /* 500ms delay */
8061
8062 if(!waitbusy(ai)) {
8063 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8064 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8065 return -EIO;
8066 }
8067 return 0;
8068}
8069
8070/* Put character to SWS0 wait for dwelltime
8071 * x 50us for echo .
8072 */
8073
ff1d2767 8074static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8075 int echo;
8076 int waittime;
8077
8078 byte |= 0x8000;
8079
8080 if(dwelltime == 0 )
8081 dwelltime = 200;
8082
8083 waittime=dwelltime;
8084
8085 /* Wait for busy bit d15 to go false indicating buffer empty */
8086 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8087 udelay (50);
8088 waittime -= 50;
8089 }
8090
8091 /* timeout for busy clear wait */
8092 if(waittime <= 0 ){
934d8bf1 8093 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8094 return -EBUSY;
8095 }
8096
8097 /* Port is clear now write byte and wait for it to echo back */
8098 do {
8099 OUT4500(ai,SWS0,byte);
8100 udelay(50);
8101 dwelltime -= 50;
8102 echo = IN4500(ai,SWS1);
8103 } while (dwelltime >= 0 && echo != byte);
8104
8105 OUT4500(ai,SWS1,0);
8106
8107 return (echo == byte) ? 0 : -EIO;
8108}
8109
8110/*
8111 * Get a character from the card matching matchbyte
8112 * Step 3)
8113 */
ff1d2767 8114static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8115 int rchar;
8116 unsigned char rbyte=0;
8117
8118 do {
8119 rchar = IN4500(ai,SWS1);
8120
8121 if(dwelltime && !(0x8000 & rchar)){
8122 dwelltime -= 10;
8123 mdelay(10);
8124 continue;
8125 }
8126 rbyte = 0xff & rchar;
8127
8128 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8129 OUT4500(ai,SWS1,0);
8130 return 0;
8131 }
8132 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8133 break;
8134 OUT4500(ai,SWS1,0);
8135
8136 }while(dwelltime > 0);
8137 return -EIO;
8138}
8139
8140/*
8141 * Transfer 32k of firmware data from user buffer to our buffer and
8142 * send to the card
8143 */
8144
ff1d2767 8145static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8146 int nwords;
8147
8148 /* Write stuff */
8149 if (test_bit(FLAG_MPI,&ai->flags))
8150 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8151 else {
8152 OUT4500(ai,AUXPAGE,0x100);
8153 OUT4500(ai,AUXOFF,0);
8154
8155 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8156 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8157 }
8158 }
8159 OUT4500(ai,SWS0,0x8000);
8160
8161 return 0;
8162}
8163
8164/*
8165 *
8166 */
ff1d2767 8167static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8168 int i,status;
8169
8170 ssleep(1); /* Added 12/7/00 */
8171 clear_bit (FLAG_FLASHING, &ai->flags);
8172 if (test_bit(FLAG_MPI, &ai->flags)) {
8173 status = mpi_init_descriptors(ai);
8174 if (status != SUCCESS)
8175 return status;
8176 }
8177 status = setup_card(ai, dev->dev_addr, 1);
8178
8179 if (!test_bit(FLAG_MPI,&ai->flags))
8180 for( i = 0; i < MAX_FIDS; i++ ) {
8181 ai->fids[i] = transmit_allocate
15db2763 8182 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8183 }
8184
8185 ssleep(1); /* Added 12/7/00 */
8186 return status;
8187}
8188#endif /* CISCO_EXT */
8189
8190/*
8191 This program is free software; you can redistribute it and/or
8192 modify it under the terms of the GNU General Public License
8193 as published by the Free Software Foundation; either version 2
8194 of the License, or (at your option) any later version.
8195
8196 This program is distributed in the hope that it will be useful,
8197 but WITHOUT ANY WARRANTY; without even the implied warranty of
8198 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8199 GNU General Public License for more details.
8200
8201 In addition:
8202
8203 Redistribution and use in source and binary forms, with or without
8204 modification, are permitted provided that the following conditions
8205 are met:
8206
8207 1. Redistributions of source code must retain the above copyright
8208 notice, this list of conditions and the following disclaimer.
8209 2. Redistributions in binary form must reproduce the above copyright
8210 notice, this list of conditions and the following disclaimer in the
8211 documentation and/or other materials provided with the distribution.
8212 3. The name of the author may not be used to endorse or promote
8213 products derived from this software without specific prior written
8214 permission.
8215
8216 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8217 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8218 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8219 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8220 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8221 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8222 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8223 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8224 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8225 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8226 POSSIBILITY OF SUCH DAMAGE.
8227*/
8228
8229module_init(airo_init_module);
8230module_exit(airo_cleanup_module);
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