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drivers/net/wireless: fix sparse warning: context imbalance
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / wireless / airo.c
CommitLineData
1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3b4c7d64 50#include <linux/kthread.h>
7dfb7103 51#include <linux/freezer.h>
1da177e4 52
2c706002
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;
3751 int i;
3752 SsidRid mySsid;
4293ea33 3753 __le16 lastindex;
1da177e4
LT		 3754 WepKeyRid wkr;
3755 int rc;
3756
3757 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3758 kfree (ai->flash);
3759 ai->flash = NULL;
1da177e4
LT		 3760
3761 /* The NOP is the first step in getting the card going */
3762 cmd.cmd = NOP;
3763 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3764 if (lock && down_interruptible(&ai->sem))
3765 return ERROR;
3766 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3767 if (lock)
3768 up(&ai->sem);
3769 return ERROR;
3770 }
3771 disable_MAC( ai, 0);
3772
3773 // Let's figure out if we need to use the AUX port
3774 if (!test_bit(FLAG_MPI,&ai->flags)) {
3775 cmd.cmd = CMD_ENABLEAUX;
3776 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3777 if (lock)
3778 up(&ai->sem);
934d8bf1 3779 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3780 return ERROR;
3781 }
3782 if (!aux_bap || rsp.status & 0xff00) {
3783 ai->bap_read = fast_bap_read;
934d8bf1 3784 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3785 } else {
3786 ai->bap_read = aux_bap_read;
934d8bf1 3787 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3788 }
3789 }
3790 if (lock)
3791 up(&ai->sem);
3792 if (ai->config.len == 0) {
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] ) {
3840 int i = 0;
3841 memset(ai->config.rates,0,sizeof(ai->config.rates));
3842 for( i = 0; i < 8 && rates[i]; i++ ) {
3843 ai->config.rates[i] = rates[i];
3844 }
3845 }
3846 if ( basic_rate > 0 ) {
3847 int i;
3848 for( i = 0; i < 8; i++ ) {
3849 if ( ai->config.rates[i] == basic_rate ||
3850 !ai->config.rates ) {
3851 ai->config.rates[i] = basic_rate | 0x80;
3852 break;
3853 }
3854 }
3855 }
3856 set_bit (FLAG_COMMIT, &ai->flags);
3857 }
3858
3859 /* Setup the SSIDs if present */
3860 if ( ssids[0] ) {
3861 int i;
3862 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3863 size_t len = strlen(ssids[i]);
3864 if (len > 32)
3865 len = 32;
3866 mySsid.ssids[i].len = cpu_to_le16(len);
3867 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3868 }
0dd2212f 3869 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3870 }
3871
3872 status = writeConfigRid(ai, lock);
3873 if ( status != SUCCESS ) return ERROR;
3874
3875 /* Set up the SSID list */
3876 if ( ssids[0] ) {
3877 status = writeSsidRid(ai, &mySsid, lock);
3878 if ( status != SUCCESS ) return ERROR;
3879 }
3880
175ec1a1
MS		 3881 status = enable_MAC(ai, lock);
3882 if (status != SUCCESS)
1da177e4 3883 return ERROR;
1da177e4
LT		 3884
3885 /* Grab the initial wep key, we gotta save it for auto_wep */
3886 rc = readWepKeyRid(ai, &wkr, 1, lock);
3887 if (rc == SUCCESS) do {
3888 lastindex = wkr.kindex;
4293ea33 3889 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3890 ai->defindex = wkr.mac[0];
3891 }
3892 rc = readWepKeyRid(ai, &wkr, 0, lock);
3893 } while(lastindex != wkr.kindex);
3894
1c2b7db8 3895 try_auto_wep(ai);
1da177e4
LT		 3896
3897 return SUCCESS;
3898}
3899
3900static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3901 // Im really paranoid about letting it run forever!
3902 int max_tries = 600000;
3903
3904 if (IN4500(ai, EVSTAT) & EV_CMD)
3905 OUT4500(ai, EVACK, EV_CMD);
3906
3907 OUT4500(ai, PARAM0, pCmd->parm0);
3908 OUT4500(ai, PARAM1, pCmd->parm1);
3909 OUT4500(ai, PARAM2, pCmd->parm2);
3910 OUT4500(ai, COMMAND, pCmd->cmd);
3911
3912 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3913 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3914 // PC4500 didn't notice command, try again
3915 OUT4500(ai, COMMAND, pCmd->cmd);
3916 if (!in_atomic() && (max_tries & 255) == 0)
3917 schedule();
3918 }
3919
3920 if ( max_tries == -1 ) {
934d8bf1
DW		 3921 airo_print_err(ai->dev->name,
3922 "Max tries exceeded when issueing command");
1da177e4
LT		 3923 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3924 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3925 return ERROR;
3926 }
3927
3928 // command completed
3929 pRsp->status = IN4500(ai, STATUS);
3930 pRsp->rsp0 = IN4500(ai, RESP0);
3931 pRsp->rsp1 = IN4500(ai, RESP1);
3932 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3933 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3934 airo_print_err(ai->dev->name,
3935 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3936 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3937 pRsp->rsp2);
1da177e4
LT		 3938
3939 // clear stuck command busy if necessary
3940 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3941 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3942 }
3943 // acknowledge processing the status/response
3944 OUT4500(ai, EVACK, EV_CMD);
3945
3946 return SUCCESS;
3947}
3948
3949/* Sets up the bap to start exchange data. whichbap should
3950 * be one of the BAP0 or BAP1 defines. Locks should be held before
3951 * calling! */
3952static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3953{
3954 int timeout = 50;
3955 int max_tries = 3;
3956
3957 OUT4500(ai, SELECT0+whichbap, rid);
3958 OUT4500(ai, OFFSET0+whichbap, offset);
3959 while (1) {
3960 int status = IN4500(ai, OFFSET0+whichbap);
3961 if (status & BAP_BUSY) {
3962 /* This isn't really a timeout, but its kinda
3963 close */
3964 if (timeout--) {
3965 continue;
3966 }
3967 } else if ( status & BAP_ERR ) {
3968 /* invalid rid or offset */
934d8bf1 3969 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 3970 status, whichbap );
3971 return ERROR;
3972 } else if (status & BAP_DONE) { // success
3973 return SUCCESS;
3974 }
3975 if ( !(max_tries--) ) {
934d8bf1 3976 airo_print_err(ai->dev->name,
1138c37b 3977 "BAP setup error too many retries\n");
1da177e4
LT		 3978 return ERROR;
3979 }
3980 // -- PC4500 missed it, try again
3981 OUT4500(ai, SELECT0+whichbap, rid);
3982 OUT4500(ai, OFFSET0+whichbap, offset);
3983 timeout = 50;
3984 }
3985}
3986
3987/* should only be called by aux_bap_read. This aux function and the
3988 following use concepts not documented in the developers guide. I
3989 got them from a patch given to my by Aironet */
3990static u16 aux_setup(struct airo_info *ai, u16 page,
3991 u16 offset, u16 *len)
3992{
3993 u16 next;
3994
3995 OUT4500(ai, AUXPAGE, page);
3996 OUT4500(ai, AUXOFF, 0);
3997 next = IN4500(ai, AUXDATA);
3998 *len = IN4500(ai, AUXDATA)&0xff;
3999 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4000 return next;
4001}
4002
4003/* requires call to bap_setup() first */
b8c06bc1 4004static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4005 int bytelen, int whichbap)
4006{
4007 u16 len;
4008 u16 page;
4009 u16 offset;
4010 u16 next;
4011 int words;
4012 int i;
4013 unsigned long flags;
4014
4015 spin_lock_irqsave(&ai->aux_lock, flags);
4016 page = IN4500(ai, SWS0+whichbap);
4017 offset = IN4500(ai, SWS2+whichbap);
4018 next = aux_setup(ai, page, offset, &len);
4019 words = (bytelen+1)>>1;
4020
4021 for (i=0; i<words;) {
4022 int count;
4023 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4024 if ( !do8bitIO )
4025 insw( ai->dev->base_addr+DATA0+whichbap,
4026 pu16Dst+i,count );
4027 else
4028 insb( ai->dev->base_addr+DATA0+whichbap,
4029 pu16Dst+i, count << 1 );
4030 i += count;
4031 if (i<words) {
4032 next = aux_setup(ai, next, 4, &len);
4033 }
4034 }
4035 spin_unlock_irqrestore(&ai->aux_lock, flags);
4036 return SUCCESS;
4037}
4038
4039
4040/* requires call to bap_setup() first */
b8c06bc1 4041static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4042 int bytelen, int whichbap)
4043{
4044 bytelen = (bytelen + 1) & (~1); // round up to even value
4045 if ( !do8bitIO )
4046 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4047 else
4048 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4049 return SUCCESS;
4050}
4051
4052/* requires call to bap_setup() first */
b8c06bc1 4053static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4054 int bytelen, int whichbap)
4055{
4056 bytelen = (bytelen + 1) & (~1); // round up to even value
4057 if ( !do8bitIO )
4058 outsw( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Src, bytelen>>1 );
4060 else
4061 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4062 return SUCCESS;
4063}
4064
4065static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4066{
4067 Cmd cmd; /* for issuing commands */
4068 Resp rsp; /* response from commands */
4069 u16 status;
4070
4071 memset(&cmd, 0, sizeof(cmd));
4072 cmd.cmd = accmd;
4073 cmd.parm0 = rid;
4074 status = issuecommand(ai, &cmd, &rsp);
4075 if (status != 0) return status;
4076 if ( (rsp.status & 0x7F00) != 0) {
4077 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4078 }
4079 return 0;
4080}
4081
4082/* Note, that we are using BAP1 which is also used by transmit, so
4083 * we must get a lock. */
4084static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4085{
4086 u16 status;
4087 int rc = SUCCESS;
4088
4089 if (lock) {
4090 if (down_interruptible(&ai->sem))
4091 return ERROR;
4092 }
4093 if (test_bit(FLAG_MPI,&ai->flags)) {
4094 Cmd cmd;
4095 Resp rsp;
4096
4097 memset(&cmd, 0, sizeof(cmd));
4098 memset(&rsp, 0, sizeof(rsp));
4099 ai->config_desc.rid_desc.valid = 1;
4100 ai->config_desc.rid_desc.len = RIDSIZE;
4101 ai->config_desc.rid_desc.rid = 0;
4102 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4103
4104 cmd.cmd = CMD_ACCESS;
4105 cmd.parm0 = rid;
4106
4107 memcpy_toio(ai->config_desc.card_ram_off,
4108 &ai->config_desc.rid_desc, sizeof(Rid));
4109
4110 rc = issuecommand(ai, &cmd, &rsp);
4111
4112 if (rsp.status & 0x7f00)
4113 rc = rsp.rsp0;
4114 if (!rc)
4115 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4116 goto done;
4117 } else {
4118 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4119 rc = status;
4120 goto done;
4121 }
4122 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4123 rc = ERROR;
4124 goto done;
4125 }
4126 // read the rid length field
4127 bap_read(ai, pBuf, 2, BAP1);
4128 // length for remaining part of rid
593c2b9c 4129 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4130
4131 if ( len <= 2 ) {
934d8bf1
DW		 4132 airo_print_err(ai->dev->name,
4133 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4134 (int)rid, (int)len );
4135 rc = ERROR;
4136 goto done;
4137 }
4138 // read remainder of the rid
b8c06bc1 4139 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4140 }
4141done:
4142 if (lock)
4143 up(&ai->sem);
4144 return rc;
4145}
4146
4147/* Note, that we are using BAP1 which is also used by transmit, so
4148 * make sure this isnt called when a transmit is happening */
4149static int PC4500_writerid(struct airo_info *ai, u16 rid,
4150 const void *pBuf, int len, int lock)
4151{
4152 u16 status;
4153 int rc = SUCCESS;
4154
593c2b9c 4155 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4156
4157 if (lock) {
4158 if (down_interruptible(&ai->sem))
4159 return ERROR;
4160 }
4161 if (test_bit(FLAG_MPI,&ai->flags)) {
4162 Cmd cmd;
4163 Resp rsp;
4164
f89b2321 4165 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4166 airo_print_err(ai->dev->name,
4167 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4168 __func__, rid);
1da177e4
LT		 4169 memset(&cmd, 0, sizeof(cmd));
4170 memset(&rsp, 0, sizeof(rsp));
4171
4172 ai->config_desc.rid_desc.valid = 1;
4173 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4174 ai->config_desc.rid_desc.rid = 0;
4175
4176 cmd.cmd = CMD_WRITERID;
4177 cmd.parm0 = rid;
4178
4179 memcpy_toio(ai->config_desc.card_ram_off,
4180 &ai->config_desc.rid_desc, sizeof(Rid));
4181
4182 if (len < 4 || len > 2047) {
c94c93da 4183 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT		 4184 rc = -1;
4185 } else {
4186 memcpy((char *)ai->config_desc.virtual_host_addr,
4187 pBuf, len);
4188
4189 rc = issuecommand(ai, &cmd, &rsp);
4190 if ((rc & 0xff00) != 0) {
934d8bf1 4191 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4192 __func__, rc);
934d8bf1 4193 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4194 __func__, cmd.cmd);
1da177e4
LT		 4195 }
4196
4197 if ((rsp.status & 0x7f00))
4198 rc = rsp.rsp0;
4199 }
4200 } else {
4201 // --- first access so that we can write the rid data
4202 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4203 rc = status;
4204 goto done;
4205 }
4206 // --- now write the rid data
4207 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4208 rc = ERROR;
4209 goto done;
4210 }
4211 bap_write(ai, pBuf, len, BAP1);
4212 // ---now commit the rid data
4213 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4214 }
4215done:
4216 if (lock)
4217 up(&ai->sem);
4218 return rc;
4219}
4220
4221/* Allocates a FID to be used for transmitting packets. We only use
4222 one for now. */
4223static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4224{
4225 unsigned int loop = 3000;
4226 Cmd cmd;
4227 Resp rsp;
4228 u16 txFid;
593c2b9c 4229 __le16 txControl;
1da177e4
LT		 4230
4231 cmd.cmd = CMD_ALLOCATETX;
4232 cmd.parm0 = lenPayload;
4233 if (down_interruptible(&ai->sem))
4234 return ERROR;
4235 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4236 txFid = ERROR;
4237 goto done;
4238 }
4239 if ( (rsp.status & 0xFF00) != 0) {
4240 txFid = ERROR;
4241 goto done;
4242 }
4243 /* wait for the allocate event/indication
4244 * It makes me kind of nervous that this can just sit here and spin,
4245 * but in practice it only loops like four times. */
4246 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4247 if (!loop) {
4248 txFid = ERROR;
4249 goto done;
4250 }
4251
4252 // get the allocated fid and acknowledge
4253 txFid = IN4500(ai, TXALLOCFID);
4254 OUT4500(ai, EVACK, EV_ALLOC);
4255
4256 /* The CARD is pretty cool since it converts the ethernet packet
4257 * into 802.11. Also note that we don't release the FID since we
4258 * will be using the same one over and over again. */
4259 /* We only have to setup the control once since we are not
4260 * releasing the fid. */
4261 if (raw)
4262 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4263 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4264 else
4265 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4266 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4267 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4268 txFid = ERROR;
4269 else
4270 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4271
4272done:
4273 up(&ai->sem);
4274
4275 return txFid;
4276}
4277
4278/* In general BAP1 is dedicated to transmiting packets. However,
4279 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4280 Make sure the BAP1 spinlock is held when this is called. */
4281static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4282{
593c2b9c 4283 __le16 payloadLen;
1da177e4
LT		 4284 Cmd cmd;
4285 Resp rsp;
4286 int miclen = 0;
4287 u16 txFid = len;
4288 MICBuffer pMic;
4289
4290 len >>= 16;
4291
4292 if (len <= ETH_ALEN * 2) {
934d8bf1 4293 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4294 return ERROR;
4295 }
4296 len -= ETH_ALEN * 2;
4297
1da177e4 4298 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4299 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4300 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4301 return ERROR;
4302 miclen = sizeof(pMic);
4303 }
1da177e4
LT		 4304 // packet is destination[6], source[6], payload[len-12]
4305 // write the payload length and dst/src/payload
4306 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4307 /* The hardware addresses aren't counted as part of the payload, so
4308 * we have to subtract the 12 bytes for the addresses off */
4309 payloadLen = cpu_to_le16(len + miclen);
4310 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4311 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4312 if (miclen)
b8c06bc1
AV		 4313 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4314 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
1da177e4
LT		 4315 // issue the transmit command
4316 memset( &cmd, 0, sizeof( cmd ) );
4317 cmd.cmd = CMD_TRANSMIT;
4318 cmd.parm0 = txFid;
4319 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4320 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4321 return SUCCESS;
4322}
4323
4324static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4325{
593c2b9c 4326 __le16 fc, payloadLen;
1da177e4
LT		 4327 Cmd cmd;
4328 Resp rsp;
4329 int hdrlen;
977b143c
AV		 4330 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4331 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4332 u16 txFid = len;
4333 len >>= 16;
1da177e4 4334
0300b332
AV		 4335 fc = *(__le16*)pPacket;
4336 hdrlen = header_len(fc);
1da177e4
LT		 4337
4338 if (len < hdrlen) {
934d8bf1 4339 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4340 return ERROR;
4341 }
4342
4343 /* packet is 802.11 header + payload
4344 * write the payload length and dst/src/payload */
4345 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4346 /* The 802.11 header aren't counted as part of the payload, so
4347 * we have to subtract the header bytes off */
4348 payloadLen = cpu_to_le16(len-hdrlen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4350 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4351 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4352 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4353
b8c06bc1 4354 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4358 cmd.parm0 = txFid;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4361 return SUCCESS;
4362}
4363
4364/*
4365 * This is the proc_fs routines. It is a bit messier than I would
4366 * like! Feel free to clean it up!
4367 */
4368
4369static ssize_t proc_read( struct file *file,
4370 char __user *buffer,
4371 size_t len,
4372 loff_t *offset);
4373
4374static ssize_t proc_write( struct file *file,
4375 const char __user *buffer,
4376 size_t len,
4377 loff_t *offset );
4378static int proc_close( struct inode *inode, struct file *file );
4379
4380static int proc_stats_open( struct inode *inode, struct file *file );
4381static int proc_statsdelta_open( struct inode *inode, struct file *file );
4382static int proc_status_open( struct inode *inode, struct file *file );
4383static int proc_SSID_open( struct inode *inode, struct file *file );
4384static int proc_APList_open( struct inode *inode, struct file *file );
4385static int proc_BSSList_open( struct inode *inode, struct file *file );
4386static int proc_config_open( struct inode *inode, struct file *file );
4387static int proc_wepkey_open( struct inode *inode, struct file *file );
4388
d54b1fdb 4389static const struct file_operations proc_statsdelta_ops = {
a95609cb 4390 .owner = THIS_MODULE,
1da177e4
LT		 4391 .read = proc_read,
4392 .open = proc_statsdelta_open,
4393 .release = proc_close
4394};
4395
d54b1fdb 4396static const struct file_operations proc_stats_ops = {
a95609cb 4397 .owner = THIS_MODULE,
1da177e4
LT		 4398 .read = proc_read,
4399 .open = proc_stats_open,
4400 .release = proc_close
4401};
4402
d54b1fdb 4403static const struct file_operations proc_status_ops = {
a95609cb 4404 .owner = THIS_MODULE,
1da177e4
LT		 4405 .read = proc_read,
4406 .open = proc_status_open,
4407 .release = proc_close
4408};
4409
d54b1fdb 4410static const struct file_operations proc_SSID_ops = {
a95609cb 4411 .owner = THIS_MODULE,
1da177e4
LT		 4412 .read = proc_read,
4413 .write = proc_write,
4414 .open = proc_SSID_open,
4415 .release = proc_close
4416};
4417
d54b1fdb 4418static const struct file_operations proc_BSSList_ops = {
a95609cb 4419 .owner = THIS_MODULE,
1da177e4
LT		 4420 .read = proc_read,
4421 .write = proc_write,
4422 .open = proc_BSSList_open,
4423 .release = proc_close
4424};
4425
d54b1fdb 4426static const struct file_operations proc_APList_ops = {
a95609cb 4427 .owner = THIS_MODULE,
1da177e4
LT		 4428 .read = proc_read,
4429 .write = proc_write,
4430 .open = proc_APList_open,
4431 .release = proc_close
4432};
4433
d54b1fdb 4434static const struct file_operations proc_config_ops = {
a95609cb 4435 .owner = THIS_MODULE,
1da177e4
LT		 4436 .read = proc_read,
4437 .write = proc_write,
4438 .open = proc_config_open,
4439 .release = proc_close
4440};
4441
d54b1fdb 4442static const struct file_operations proc_wepkey_ops = {
a95609cb 4443 .owner = THIS_MODULE,
1da177e4
LT		 4444 .read = proc_read,
4445 .write = proc_write,
4446 .open = proc_wepkey_open,
4447 .release = proc_close
4448};
4449
4450static struct proc_dir_entry *airo_entry;
4451
4452struct proc_data {
4453 int release_buffer;
4454 int readlen;
4455 char *rbuffer;
4456 int writelen;
4457 int maxwritelen;
4458 char *wbuffer;
4459 void (*on_close) (struct inode *, struct file *);
4460};
4461
1da177e4
LT		 4462static int setup_proc_entry( struct net_device *dev,
4463 struct airo_info *apriv ) {
4464 struct proc_dir_entry *entry;
4465 /* First setup the device directory */
4466 strcpy(apriv->proc_name,dev->name);
4467 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4468 S_IFDIR|airo_perm,
4469 airo_entry);
431aca5a
FM		 4470 if (!apriv->proc_entry)
4471 goto fail;
4472 apriv->proc_entry->uid = proc_uid;
4473 apriv->proc_entry->gid = proc_gid;
4474 apriv->proc_entry->owner = THIS_MODULE;
1da177e4
LT		 4475
4476 /* Setup the StatsDelta */
a95609cb
DL		 4477 entry = proc_create_data("StatsDelta",
4478 S_IFREG | (S_IRUGO&proc_perm),
4479 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4480 if (!entry)
4481 goto fail_stats_delta;
4482 entry->uid = proc_uid;
4483 entry->gid = proc_gid;
1da177e4
LT		 4484
4485 /* Setup the Stats */
a95609cb
DL		 4486 entry = proc_create_data("Stats",
4487 S_IFREG | (S_IRUGO&proc_perm),
4488 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4489 if (!entry)
4490 goto fail_stats;
4491 entry->uid = proc_uid;
4492 entry->gid = proc_gid;
1da177e4
LT		 4493
4494 /* Setup the Status */
a95609cb
DL		 4495 entry = proc_create_data("Status",
4496 S_IFREG | (S_IRUGO&proc_perm),
4497 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4498 if (!entry)
4499 goto fail_status;
4500 entry->uid = proc_uid;
4501 entry->gid = proc_gid;
1da177e4
LT		 4502
4503 /* Setup the Config */
a95609cb
DL		 4504 entry = proc_create_data("Config",
4505 S_IFREG | proc_perm,
4506 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4507 if (!entry)
4508 goto fail_config;
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
1da177e4
LT		 4511
4512 /* Setup the SSID */
a95609cb
DL		 4513 entry = proc_create_data("SSID",
4514 S_IFREG | proc_perm,
4515 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4516 if (!entry)
4517 goto fail_ssid;
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
1da177e4
LT		 4520
4521 /* Setup the APList */
a95609cb
DL		 4522 entry = proc_create_data("APList",
4523 S_IFREG | proc_perm,
4524 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4525 if (!entry)
4526 goto fail_aplist;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
1da177e4
LT		 4529
4530 /* Setup the BSSList */
a95609cb
DL		 4531 entry = proc_create_data("BSSList",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4534 if (!entry)
4535 goto fail_bsslist;
1da177e4
LT		 4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
1da177e4
LT		 4538
4539 /* Setup the WepKey */
a95609cb
DL		 4540 entry = proc_create_data("WepKey",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4543 if (!entry)
4544 goto fail_wepkey;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
1da177e4
LT		 4547
4548 return 0;
431aca5a
FM		 4549
4550fail_wepkey:
4551 remove_proc_entry("BSSList", apriv->proc_entry);
4552fail_bsslist:
4553 remove_proc_entry("APList", apriv->proc_entry);
4554fail_aplist:
4555 remove_proc_entry("SSID", apriv->proc_entry);
4556fail_ssid:
4557 remove_proc_entry("Config", apriv->proc_entry);
4558fail_config:
4559 remove_proc_entry("Status", apriv->proc_entry);
4560fail_status:
4561 remove_proc_entry("Stats", apriv->proc_entry);
4562fail_stats:
4563 remove_proc_entry("StatsDelta", apriv->proc_entry);
4564fail_stats_delta:
4565 remove_proc_entry(apriv->proc_name, airo_entry);
4566fail:
4567 return -ENOMEM;
1da177e4
LT		 4568}
4569
4570static int takedown_proc_entry( struct net_device *dev,
4571 struct airo_info *apriv ) {
4572 if ( !apriv->proc_entry->namelen ) return 0;
4573 remove_proc_entry("Stats",apriv->proc_entry);
4574 remove_proc_entry("StatsDelta",apriv->proc_entry);
4575 remove_proc_entry("Status",apriv->proc_entry);
4576 remove_proc_entry("Config",apriv->proc_entry);
4577 remove_proc_entry("SSID",apriv->proc_entry);
4578 remove_proc_entry("APList",apriv->proc_entry);
4579 remove_proc_entry("BSSList",apriv->proc_entry);
4580 remove_proc_entry("WepKey",apriv->proc_entry);
4581 remove_proc_entry(apriv->proc_name,airo_entry);
4582 return 0;
4583}
4584
4585/*
4586 * What we want from the proc_fs is to be able to efficiently read
4587 * and write the configuration. To do this, we want to read the
4588 * configuration when the file is opened and write it when the file is
4589 * closed. So basically we allocate a read buffer at open and fill it
4590 * with data, and allocate a write buffer and read it at close.
4591 */
4592
4593/*
4594 * The read routine is generic, it relies on the preallocated rbuffer
4595 * to supply the data.
4596 */
4597static ssize_t proc_read( struct file *file,
4598 char __user *buffer,
4599 size_t len,
4600 loff_t *offset )
4601{
cc0d9ff2 4602 struct proc_data *priv = file->private_data;
1da177e4
LT		 4603
4604 if (!priv->rbuffer)
4605 return -EINVAL;
4606
cc0d9ff2
AM		 4607 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4608 priv->readlen);
1da177e4
LT		 4609}
4610
4611/*
4612 * The write routine is generic, it fills in a preallocated rbuffer
4613 * to supply the data.
4614 */
4615static ssize_t proc_write( struct file *file,
4616 const char __user *buffer,
4617 size_t len,
4618 loff_t *offset )
4619{
4620 loff_t pos = *offset;
4621 struct proc_data *priv = (struct proc_data*)file->private_data;
4622
4623 if (!priv->wbuffer)
4624 return -EINVAL;
4625
4626 if (pos < 0)
4627 return -EINVAL;
4628 if (pos >= priv->maxwritelen)
4629 return 0;
4630 if (len > priv->maxwritelen - pos)
4631 len = priv->maxwritelen - pos;
4632 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4633 return -EFAULT;
4634 if ( pos + len > priv->writelen )
4635 priv->writelen = len + file->f_pos;
4636 *offset = pos + len;
4637 return len;
4638}
4639
329e2c00
AV		 4640static int proc_status_open(struct inode *inode, struct file *file)
4641{
1da177e4
LT		 4642 struct proc_data *data;
4643 struct proc_dir_entry *dp = PDE(inode);
4644 struct net_device *dev = dp->data;
faf3994a 4645 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4646 CapabilityRid cap_rid;
4647 StatusRid status_rid;
329e2c00 4648 u16 mode;
1da177e4
LT		 4649 int i;
4650
b69a3aa8 4651 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4652 return -ENOMEM;
1da177e4
LT		 4653 data = (struct proc_data *)file->private_data;
4654 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4655 kfree (file->private_data);
4656 return -ENOMEM;
4657 }
4658
4659 readStatusRid(apriv, &status_rid, 1);
4660 readCapabilityRid(apriv, &cap_rid, 1);
4661
329e2c00
AV		 4662 mode = le16_to_cpu(status_rid.mode);
4663
1da177e4 4664 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4665 mode & 1 ? "CFG ": "",
4666 mode & 2 ? "ACT ": "",
4667 mode & 0x10 ? "SYN ": "",
4668 mode & 0x20 ? "LNK ": "",
4669 mode & 0x40 ? "LEAP ": "",
4670 mode & 0x80 ? "PRIV ": "",
4671 mode & 0x100 ? "KEY ": "",
4672 mode & 0x200 ? "WEP ": "",
4673 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4674 sprintf( data->rbuffer+i, "Mode: %x\n"
4675 "Signal Strength: %d\n"
4676 "Signal Quality: %d\n"
4677 "SSID: %-.*s\n"
4678 "AP: %-.16s\n"
4679 "Freq: %d\n"
4680 "BitRate: %dmbs\n"
4681 "Driver Version: %s\n"
4682 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4683 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4684 "Software Version: %x\nSoftware Subversion: %x\n"
4685 "Boot block version: %x\n",
329e2c00
AV		 4686 le16_to_cpu(status_rid.mode),
4687 le16_to_cpu(status_rid.normalizedSignalStrength),
4688 le16_to_cpu(status_rid.signalQuality),
4689 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4690 status_rid.SSID,
4691 status_rid.apName,
329e2c00
AV		 4692 le16_to_cpu(status_rid.channel),
4693 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4694 version,
4695 cap_rid.prodName,
4696 cap_rid.manName,
4697 cap_rid.prodVer,
56d81bd3
AV		 4698 le16_to_cpu(cap_rid.radioType),
4699 le16_to_cpu(cap_rid.country),
4700 le16_to_cpu(cap_rid.hardVer),
4701 le16_to_cpu(cap_rid.softVer),
4702 le16_to_cpu(cap_rid.softSubVer),
4703 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4704 data->readlen = strlen( data->rbuffer );
4705 return 0;
4706}
4707
4708static int proc_stats_rid_open(struct inode*, struct file*, u16);
4709static int proc_statsdelta_open( struct inode *inode,
4710 struct file *file ) {
4711 if (file->f_mode&FMODE_WRITE) {
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4713 }
4714 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4715}
4716
4717static int proc_stats_open( struct inode *inode, struct file *file ) {
4718 return proc_stats_rid_open(inode, file, RID_STATS);
4719}
4720
4721static int proc_stats_rid_open( struct inode *inode,
4722 struct file *file,
a23ace5f
AV		 4723 u16 rid )
4724{
1da177e4
LT		 4725 struct proc_data *data;
4726 struct proc_dir_entry *dp = PDE(inode);
4727 struct net_device *dev = dp->data;
faf3994a 4728 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4729 StatsRid stats;
4730 int i, j;
a23ace5f
AV		 4731 __le32 *vals = stats.vals;
4732 int len = le16_to_cpu(stats.len);
1da177e4 4733
b69a3aa8 4734 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4735 return -ENOMEM;
1da177e4
LT		 4736 data = (struct proc_data *)file->private_data;
4737 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4738 kfree (file->private_data);
4739 return -ENOMEM;
4740 }
4741
4742 readStatsRid(apriv, &stats, rid, 1);
4743
4744 j = 0;
a23ace5f 4745 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4746 if (!statsLabels[i]) continue;
4747 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4748 airo_print_warn(apriv->dev->name,
4749 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4750 break;
4751 }
a23ace5f
AV		 4752 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4753 le32_to_cpu(vals[i]));
1da177e4 4754 }
a23ace5f 4755 if (i*4 >= len) {
934d8bf1 4756 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4757 }
4758 data->readlen = j;
4759 return 0;
4760}
4761
4762static int get_dec_u16( char *buffer, int *start, int limit ) {
4763 u16 value;
4764 int valid = 0;
4765 for( value = 0; buffer[*start] >= '0' &&
4766 buffer[*start] <= '9' &&
4767 *start < limit; (*start)++ ) {
4768 valid = 1;
4769 value *= 10;
4770 value += buffer[*start] - '0';
4771 }
4772 if ( !valid ) return -1;
4773 return value;
4774}
4775
4776static int airo_config_commit(struct net_device *dev,
4777 struct iw_request_info *info, void *zwrq,
4778 char *extra);
4779
3eb9b41f
AV		 4780static inline int sniffing_mode(struct airo_info *ai)
4781{
4782 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4783 le16_to_cpu(RXMODE_RFMON);
4784}
4785
4786static void proc_config_on_close(struct inode *inode, struct file *file)
4787{
1da177e4
LT		 4788 struct proc_data *data = file->private_data;
4789 struct proc_dir_entry *dp = PDE(inode);
4790 struct net_device *dev = dp->data;
faf3994a 4791 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 4792 char *line;
4793
4794 if ( !data->writelen ) return;
4795
4796 readConfigRid(ai, 1);
4797 set_bit (FLAG_COMMIT, &ai->flags);
4798
4799 line = data->wbuffer;
4800 while( line[0] ) {
4801/*** Mode processing */
4802 if ( !strncmp( line, "Mode: ", 6 ) ) {
4803 line += 6;
3eb9b41f
AV		 4804 if (sniffing_mode(ai))
4805 set_bit (FLAG_RESET, &ai->flags);
4806 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4807 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4808 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4809 ai->config.scanMode = SCANMODE_ACTIVE;
4810 if ( line[0] == 'a' ) {
3eb9b41f 4811 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4812 } else {
3eb9b41f 4813 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4814 if ( line[0] == 'r' ) {
4815 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4816 ai->config.scanMode = SCANMODE_PASSIVE;
4817 set_bit (FLAG_802_11, &ai->flags);
4818 } else if ( line[0] == 'y' ) {
4819 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4820 ai->config.scanMode = SCANMODE_PASSIVE;
4821 set_bit (FLAG_802_11, &ai->flags);
4822 } else if ( line[0] == 'l' )
4823 ai->config.rmode |= RXMODE_LANMON;
4824 }
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826 }
4827
4828/*** Radio status */
4829 else if (!strncmp(line,"Radio: ", 7)) {
4830 line += 7;
4831 if (!strncmp(line,"off",3)) {
4832 set_bit (FLAG_RADIO_OFF, &ai->flags);
4833 } else {
4834 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4835 }
4836 }
4837/*** NodeName processing */
4838 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4839 int j;
4840
4841 line += 10;
4842 memset( ai->config.nodeName, 0, 16 );
4843/* Do the name, assume a space between the mode and node name */
4844 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4845 ai->config.nodeName[j] = line[j];
4846 }
4847 set_bit (FLAG_COMMIT, &ai->flags);
4848 }
4849
4850/*** PowerMode processing */
4851 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4852 line += 11;
4853 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4854 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4855 set_bit (FLAG_COMMIT, &ai->flags);
4856 } else if ( !strncmp( line, "PSP", 3 ) ) {
4857 ai->config.powerSaveMode = POWERSAVE_PSP;
4858 set_bit (FLAG_COMMIT, &ai->flags);
4859 } else {
4860 ai->config.powerSaveMode = POWERSAVE_CAM;
4861 set_bit (FLAG_COMMIT, &ai->flags);
4862 }
4863 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4864 int v, i = 0, k = 0; /* i is index into line,
4865 k is index to rates */
4866
4867 line += 11;
4868 while((v = get_dec_u16(line, &i, 3))!=-1) {
4869 ai->config.rates[k++] = (u8)v;
4870 line += i + 1;
4871 i = 0;
4872 }
4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4875 int v, i = 0;
4876 line += 9;
4877 v = get_dec_u16(line, &i, i+3);
4878 if ( v != -1 ) {
3eb9b41f 4879 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4880 set_bit (FLAG_COMMIT, &ai->flags);
4881 }
4882 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4883 int v, i = 0;
4884 line += 11;
4885 v = get_dec_u16(line, &i, i+3);
4886 if ( v != -1 ) {
3eb9b41f 4887 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 }
4890 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4891 line += 5;
4892 switch( line[0] ) {
4893 case 's':
3eb9b41f 4894 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4895 break;
4896 case 'e':
3eb9b41f 4897 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4898 break;
4899 default:
3eb9b41f 4900 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4901 break;
4902 }
4903 set_bit (FLAG_COMMIT, &ai->flags);
4904 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4905 int v, i = 0;
4906
4907 line += 16;
4908 v = get_dec_u16(line, &i, 3);
4909 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4910 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4913 int v, i = 0;
4914
4915 line += 17;
4916 v = get_dec_u16(line, &i, 3);
4917 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4918 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4921 int v, i = 0;
4922
4923 line += 14;
4924 v = get_dec_u16(line, &i, 4);
15db2763 4925 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4926 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4929 int v, i = 0;
4930
4931 line += 16;
4932 v = get_dec_u16(line, &i, 5);
4933 v = (v<0) ? 0 : v;
3eb9b41f 4934 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4937 int v, i = 0;
4938
4939 line += 16;
4940 v = get_dec_u16(line, &i, 5);
4941 v = (v<0) ? 0 : v;
3eb9b41f 4942 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4945 ai->config.txDiversity =
4946 (line[13]=='l') ? 1 :
4947 ((line[13]=='r')? 2: 3);
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4950 ai->config.rxDiversity =
4951 (line[13]=='l') ? 1 :
4952 ((line[13]=='r')? 2: 3);
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4955 int v, i = 0;
4956
4957 line += 15;
4958 v = get_dec_u16(line, &i, 4);
15db2763 4959 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4960 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 4961 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if (!strncmp(line, "Modulation: ", 12)) {
4964 line += 12;
4965 switch(*line) {
4966 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4967 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4968 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4969 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 4970 }
4971 } else if (!strncmp(line, "Preamble: ", 10)) {
4972 line += 10;
4973 switch(*line) {
4974 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4976 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 4977 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 4978 }
4979 } else {
934d8bf1 4980 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 4981 }
4982 while( line[0] && line[0] != '\n' ) line++;
4983 if ( line[0] ) line++;
4984 }
4985 airo_config_commit(dev, NULL, NULL, NULL);
4986}
4987
3eb9b41f
AV		 4988static char *get_rmode(__le16 mode)
4989{
4990 switch(mode & RXMODE_MASK) {
1da177e4
LT		 4991 case RXMODE_RFMON: return "rfmon";
4992 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4993 case RXMODE_LANMON: return "lanmon";
4994 }
4995 return "ESS";
4996}
4997
3eb9b41f
AV		 4998static int proc_config_open(struct inode *inode, struct file *file)
4999{
1da177e4
LT		 5000 struct proc_data *data;
5001 struct proc_dir_entry *dp = PDE(inode);
5002 struct net_device *dev = dp->data;
faf3994a 5003 struct airo_info *ai = dev->ml_priv;
1da177e4 5004 int i;
3eb9b41f 5005 __le16 mode;
1da177e4 5006
b69a3aa8 5007 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5008 return -ENOMEM;
1da177e4
LT		 5009 data = (struct proc_data *)file->private_data;
5010 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5011 kfree (file->private_data);
5012 return -ENOMEM;
5013 }
b69a3aa8 5014 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5015 kfree (data->rbuffer);
5016 kfree (file->private_data);
5017 return -ENOMEM;
5018 }
1da177e4
LT		 5019 data->maxwritelen = 2048;
5020 data->on_close = proc_config_on_close;
5021
5022 readConfigRid(ai, 1);
5023
3eb9b41f 5024 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 5025 i = sprintf( data->rbuffer,
5026 "Mode: %s\n"
5027 "Radio: %s\n"
5028 "NodeName: %-16s\n"
5029 "PowerMode: %s\n"
5030 "DataRates: %d %d %d %d %d %d %d %d\n"
5031 "Channel: %d\n"
5032 "XmitPower: %d\n",
3eb9b41f
AV		 5033 mode == MODE_STA_IBSS ? "adhoc" :
5034 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5035 mode == MODE_AP ? "AP" :
5036 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5037 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5038 ai->config.nodeName,
3eb9b41f
AV		 5039 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5040 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5041 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5042 "Error",
1da177e4
LT		 5043 (int)ai->config.rates[0],
5044 (int)ai->config.rates[1],
5045 (int)ai->config.rates[2],
5046 (int)ai->config.rates[3],
5047 (int)ai->config.rates[4],
5048 (int)ai->config.rates[5],
5049 (int)ai->config.rates[6],
5050 (int)ai->config.rates[7],
3eb9b41f
AV		 5051 le16_to_cpu(ai->config.channelSet),
5052 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5053 );
5054 sprintf( data->rbuffer + i,
5055 "LongRetryLimit: %d\n"
5056 "ShortRetryLimit: %d\n"
5057 "RTSThreshold: %d\n"
5058 "TXMSDULifetime: %d\n"
5059 "RXMSDULifetime: %d\n"
5060 "TXDiversity: %s\n"
5061 "RXDiversity: %s\n"
5062 "FragThreshold: %d\n"
5063 "WEP: %s\n"
5064 "Modulation: %s\n"
5065 "Preamble: %s\n",
3eb9b41f
AV		 5066 le16_to_cpu(ai->config.longRetryLimit),
5067 le16_to_cpu(ai->config.shortRetryLimit),
5068 le16_to_cpu(ai->config.rtsThres),
5069 le16_to_cpu(ai->config.txLifetime),
5070 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5071 ai->config.txDiversity == 1 ? "left" :
5072 ai->config.txDiversity == 2 ? "right" : "both",
5073 ai->config.rxDiversity == 1 ? "left" :
5074 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5075 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5076 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5077 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5078 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5079 ai->config.modulation == MOD_CCK ? "cck" :
5080 ai->config.modulation == MOD_MOK ? "mok" : "error",
5081 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5082 ai->config.preamble == PREAMBLE_LONG ? "long" :
5083 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5084 );
5085 data->readlen = strlen( data->rbuffer );
5086 return 0;
5087}
5088
0dd2212f
AV		 5089static void proc_SSID_on_close(struct inode *inode, struct file *file)
5090{
1da177e4
LT		 5091 struct proc_data *data = (struct proc_data *)file->private_data;
5092 struct proc_dir_entry *dp = PDE(inode);
5093 struct net_device *dev = dp->data;
faf3994a 5094 struct airo_info *ai = dev->ml_priv;
1da177e4 5095 SsidRid SSID_rid;
1da177e4 5096 int i;
0dd2212f
AV		 5097 char *p = data->wbuffer;
5098 char *end = p + data->writelen;
1da177e4 5099
0dd2212f
AV		 5100 if (!data->writelen)
5101 return;
1da177e4 5102
0dd2212f 5103 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5104
0dd2212f
AV		 5105 memset(&SSID_rid, 0, sizeof(SSID_rid));
5106
5107 for (i = 0; i < 3 && p < end; i++) {
5108 int j = 0;
5109 /* copy up to 32 characters from this line */
5110 while (*p != '\n' && j < 32)
5111 SSID_rid.ssids[i].ssid[j++] = *p++;
5112 if (j == 0)
5113 break;
5114 SSID_rid.ssids[i].len = cpu_to_le16(j);
5115 /* skip to the beginning of the next line */
5116 while (*p++ != '\n')
5117 ;
1da177e4
LT		 5118 }
5119 if (i)
0dd2212f 5120 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5121 disable_MAC(ai, 1);
5122 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5123 enable_MAC(ai, 1);
1da177e4
LT		 5124}
5125
77933d72 5126static inline u8 hexVal(char c) {
1da177e4
LT		 5127 if (c>='0' && c<='9') return c -= '0';
5128 if (c>='a' && c<='f') return c -= 'a'-10;
5129 if (c>='A' && c<='F') return c -= 'A'-10;
5130 return 0;
5131}
5132
5133static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5134 struct proc_data *data = (struct proc_data *)file->private_data;
5135 struct proc_dir_entry *dp = PDE(inode);
5136 struct net_device *dev = dp->data;
faf3994a 5137 struct airo_info *ai = dev->ml_priv;
1da177e4 5138 APListRid APList_rid;
1da177e4
LT		 5139 int i;
5140
5141 if ( !data->writelen ) return;
5142
5143 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5144 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5145
5146 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5147 int j;
5148 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5149 switch(j%3) {
5150 case 0:
5151 APList_rid.ap[i][j/3]=
5152 hexVal(data->wbuffer[j+i*6*3])<<4;
5153 break;
5154 case 1:
5155 APList_rid.ap[i][j/3]|=
5156 hexVal(data->wbuffer[j+i*6*3]);
5157 break;
5158 }
5159 }
5160 }
5161 disable_MAC(ai, 1);
5162 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5163 enable_MAC(ai, 1);
1da177e4
LT		 5164}
5165
5166/* This function wraps PC4500_writerid with a MAC disable */
5167static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5168 int len, int dummy ) {
5169 int rc;
1da177e4
LT		 5170
5171 disable_MAC(ai, 1);
5172 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5173 enable_MAC(ai, 1);
1da177e4
LT		 5174 return rc;
5175}
5176
c0380693
DW		 5177/* Returns the WEP key at the specified index, or -1 if that key does
5178 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5179 */
c0380693
DW		 5180static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5181{
1da177e4
LT		 5182 WepKeyRid wkr;
5183 int rc;
4293ea33 5184 __le16 lastindex;
1da177e4
LT		 5185
5186 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW		 5187 if (rc != SUCCESS)
5188 return -1;
5189 do {
1da177e4 5190 lastindex = wkr.kindex;
c0380693
DW		 5191 if (le16_to_cpu(wkr.kindex) == index) {
5192 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5193 memcpy(buf, wkr.key, klen);
5194 return klen;
1da177e4 5195 }
c0380693
DW		 5196 rc = readWepKeyRid(ai, &wkr, 0, 1);
5197 if (rc != SUCCESS)
5198 return -1;
4293ea33 5199 } while (lastindex != wkr.kindex);
1da177e4
LT		 5200 return -1;
5201}
5202
c0380693
DW		 5203static int get_wep_tx_idx(struct airo_info *ai)
5204{
5205 WepKeyRid wkr;
5206 int rc;
5207 __le16 lastindex;
5208
5209 rc = readWepKeyRid(ai, &wkr, 1, 1);
5210 if (rc != SUCCESS)
5211 return -1;
5212 do {
5213 lastindex = wkr.kindex;
5214 if (wkr.kindex == cpu_to_le16(0xffff))
5215 return wkr.mac[0];
5216 rc = readWepKeyRid(ai, &wkr, 0, 1);
5217 if (rc != SUCCESS)
5218 return -1;
5219 } while (lastindex != wkr.kindex);
5220 return -1;
5221}
5222
5223static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5224 u16 keylen, int perm, int lock)
4293ea33 5225{
1da177e4
LT		 5226 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5227 WepKeyRid wkr;
c0380693 5228 int rc;
1da177e4 5229
1da177e4 5230 if (keylen == 0) {
c0380693
DW		 5231 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5232 __func__);
5233 return -1;
1da177e4
LT		 5234 }
5235
c0380693
DW		 5236 memset(&wkr, 0, sizeof(wkr));
5237 wkr.len = cpu_to_le16(sizeof(wkr));
5238 wkr.kindex = cpu_to_le16(index);
5239 wkr.klen = cpu_to_le16(keylen);
5240 memcpy(wkr.key, key, keylen);
5241 memcpy(wkr.mac, macaddr, ETH_ALEN);
5242
f89b2321 5243 if (perm) disable_MAC(ai, lock);
c0380693 5244 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5245 if (perm) enable_MAC(ai, lock);
c0380693
DW		 5246 return rc;
5247}
5248
5249static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5250{
5251 WepKeyRid wkr;
5252 int rc;
5253
5254 memset(&wkr, 0, sizeof(wkr));
5255 wkr.len = cpu_to_le16(sizeof(wkr));
5256 wkr.kindex = cpu_to_le16(0xffff);
5257 wkr.mac[0] = (char)index;
5258
5259 if (perm) {
5260 ai->defindex = (char)index;
5261 disable_MAC(ai, lock);
5262 }
5263
5264 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5265
5266 if (perm)
5267 enable_MAC(ai, lock);
5268 return rc;
1da177e4
LT		 5269}
5270
5271static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5272 struct proc_data *data;
5273 struct proc_dir_entry *dp = PDE(inode);
5274 struct net_device *dev = dp->data;
faf3994a 5275 struct airo_info *ai = dev->ml_priv;
c0380693 5276 int i, rc;
1da177e4
LT		 5277 char key[16];
5278 u16 index = 0;
5279 int j = 0;
5280
5281 memset(key, 0, sizeof(key));
5282
5283 data = (struct proc_data *)file->private_data;
5284 if ( !data->writelen ) return;
5285
5286 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5287 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5288 index = data->wbuffer[0] - '0';
5289 if (data->wbuffer[1] == '\n') {
c0380693
DW		 5290 rc = set_wep_tx_idx(ai, index, 1, 1);
5291 if (rc < 0) {
5292 airo_print_err(ai->dev->name, "failed to set "
5293 "WEP transmit index to %d: %d.",
5294 index, rc);
5295 }
1da177e4
LT		 5296 return;
5297 }
5298 j = 2;
5299 } else {
934d8bf1 5300 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5301 return;
5302 }
5303
5304 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5305 switch(i%3) {
5306 case 0:
5307 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5308 break;
5309 case 1:
5310 key[i/3] |= hexVal(data->wbuffer[i+j]);
5311 break;
5312 }
5313 }
c0380693
DW		 5314
5315 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5316 if (rc < 0) {
5317 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5318 "%d: %d.", index, rc);
5319 }
1da177e4
LT		 5320}
5321
4293ea33
AV		 5322static int proc_wepkey_open( struct inode *inode, struct file *file )
5323{
1da177e4
LT		 5324 struct proc_data *data;
5325 struct proc_dir_entry *dp = PDE(inode);
5326 struct net_device *dev = dp->data;
faf3994a 5327 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5328 char *ptr;
5329 WepKeyRid wkr;
4293ea33 5330 __le16 lastindex;
1da177e4
LT		 5331 int j=0;
5332 int rc;
5333
b69a3aa8 5334 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5335 return -ENOMEM;
1da177e4
LT		 5336 memset(&wkr, 0, sizeof(wkr));
5337 data = (struct proc_data *)file->private_data;
b69a3aa8 5338 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5339 kfree (file->private_data);
5340 return -ENOMEM;
5341 }
1da177e4
LT		 5342 data->writelen = 0;
5343 data->maxwritelen = 80;
b69a3aa8 5344 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5345 kfree (data->rbuffer);
5346 kfree (file->private_data);
5347 return -ENOMEM;
5348 }
1da177e4
LT		 5349 data->on_close = proc_wepkey_on_close;
5350
5351 ptr = data->rbuffer;
5352 strcpy(ptr, "No wep keys\n");
5353 rc = readWepKeyRid(ai, &wkr, 1, 1);
5354 if (rc == SUCCESS) do {
5355 lastindex = wkr.kindex;
4293ea33 5356 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5357 j += sprintf(ptr+j, "Tx key = %d\n",
5358 (int)wkr.mac[0]);
5359 } else {
5360 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5361 le16_to_cpu(wkr.kindex),
5362 le16_to_cpu(wkr.klen));
1da177e4
LT		 5363 }
5364 readWepKeyRid(ai, &wkr, 0, 1);
5365 } while((lastindex != wkr.kindex) && (j < 180-30));
5366
5367 data->readlen = strlen( data->rbuffer );
5368 return 0;
5369}
5370
0dd2212f
AV		 5371static int proc_SSID_open(struct inode *inode, struct file *file)
5372{
1da177e4
LT		 5373 struct proc_data *data;
5374 struct proc_dir_entry *dp = PDE(inode);
5375 struct net_device *dev = dp->data;
faf3994a 5376 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5377 int i;
5378 char *ptr;
5379 SsidRid SSID_rid;
5380
b69a3aa8 5381 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5382 return -ENOMEM;
1da177e4
LT		 5383 data = (struct proc_data *)file->private_data;
5384 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5385 kfree (file->private_data);
5386 return -ENOMEM;
5387 }
5388 data->writelen = 0;
5389 data->maxwritelen = 33*3;
0dd2212f
AV		 5390 /* allocate maxwritelen + 1; we'll want a sentinel */
5391 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5392 kfree (data->rbuffer);
5393 kfree (file->private_data);
5394 return -ENOMEM;
5395 }
1da177e4
LT		 5396 data->on_close = proc_SSID_on_close;
5397
5398 readSsidRid(ai, &SSID_rid);
5399 ptr = data->rbuffer;
0dd2212f 5400 for (i = 0; i < 3; i++) {
1da177e4 5401 int j;
0dd2212f
AV		 5402 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5403 if (!len)
5404 break;
5405 if (len > 32)
5406 len = 32;
5407 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5408 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5409 *ptr++ = '\n';
5410 }
5411 *ptr = '\0';
5412 data->readlen = strlen( data->rbuffer );
5413 return 0;
5414}
5415
5416static int proc_APList_open( struct inode *inode, struct file *file ) {
5417 struct proc_data *data;
5418 struct proc_dir_entry *dp = PDE(inode);
5419 struct net_device *dev = dp->data;
faf3994a 5420 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5421 int i;
5422 char *ptr;
5423 APListRid APList_rid;
5424
b69a3aa8 5425 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5426 return -ENOMEM;
1da177e4
LT		 5427 data = (struct proc_data *)file->private_data;
5428 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5429 kfree (file->private_data);
5430 return -ENOMEM;
5431 }
5432 data->writelen = 0;
5433 data->maxwritelen = 4*6*3;
b69a3aa8 5434 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5435 kfree (data->rbuffer);
5436 kfree (file->private_data);
5437 return -ENOMEM;
5438 }
1da177e4
LT		 5439 data->on_close = proc_APList_on_close;
5440
5441 readAPListRid(ai, &APList_rid);
5442 ptr = data->rbuffer;
5443 for( i = 0; i < 4; i++ ) {
5444// We end when we find a zero MAC
5445 if ( !*(int*)APList_rid.ap[i] &&
5446 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5447 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT		 5448 }
5449 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5450
5451 *ptr = '\0';
5452 data->readlen = strlen( data->rbuffer );
5453 return 0;
5454}
5455
5456static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5457 struct proc_data *data;
5458 struct proc_dir_entry *dp = PDE(inode);
5459 struct net_device *dev = dp->data;
faf3994a 5460 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5461 char *ptr;
5462 BSSListRid BSSList_rid;
5463 int rc;
5464 /* If doLoseSync is not 1, we won't do a Lose Sync */
5465 int doLoseSync = -1;
5466
b69a3aa8 5467 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5468 return -ENOMEM;
1da177e4
LT		 5469 data = (struct proc_data *)file->private_data;
5470 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5471 kfree (file->private_data);
5472 return -ENOMEM;
5473 }
5474 data->writelen = 0;
5475 data->maxwritelen = 0;
5476 data->wbuffer = NULL;
5477 data->on_close = NULL;
5478
5479 if (file->f_mode & FMODE_WRITE) {
5480 if (!(file->f_mode & FMODE_READ)) {
5481 Cmd cmd;
5482 Resp rsp;
5483
5484 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5485 memset(&cmd, 0, sizeof(cmd));
5486 cmd.cmd=CMD_LISTBSS;
5487 if (down_interruptible(&ai->sem))
5488 return -ERESTARTSYS;
5489 issuecommand(ai, &cmd, &rsp);
5490 up(&ai->sem);
5491 data->readlen = 0;
5492 return 0;
5493 }
5494 doLoseSync = 1;
5495 }
5496 ptr = data->rbuffer;
5497 /* There is a race condition here if there are concurrent opens.
5498 Since it is a rare condition, we'll just live with it, otherwise
5499 we have to add a spin lock... */
5500 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5501 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB		 5502 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5503 BSSList_rid.bssid,
1da177e4
LT		 5504 (int)BSSList_rid.ssidLen,
5505 BSSList_rid.ssid,
17e70491 5506 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5507 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5508 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5509 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5510 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5511 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5512 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5513 rc = readBSSListRid(ai, 0, &BSSList_rid);
5514 }
5515 *ptr = '\0';
5516 data->readlen = strlen( data->rbuffer );
5517 return 0;
5518}
5519
5520static int proc_close( struct inode *inode, struct file *file )
5521{
b4558ea9
JJ		 5522 struct proc_data *data = file->private_data;
5523
5524 if (data->on_close != NULL)
5525 data->on_close(inode, file);
5526 kfree(data->rbuffer);
5527 kfree(data->wbuffer);
5528 kfree(data);
1da177e4
LT		 5529 return 0;
5530}
5531
1da177e4
LT		 5532/* Since the card doesn't automatically switch to the right WEP mode,
5533 we will make it do it. If the card isn't associated, every secs we
5534 will switch WEP modes to see if that will help. If the card is
5535 associated we will check every minute to see if anything has
5536 changed. */
5537static void timer_func( struct net_device *dev ) {
faf3994a 5538 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 5539
5540/* We don't have a link so try changing the authtype */
5541 readConfigRid(apriv, 0);
5542 disable_MAC(apriv, 0);
5543 switch(apriv->config.authType) {
5544 case AUTH_ENCRYPT:
5545/* So drop to OPEN */
5546 apriv->config.authType = AUTH_OPEN;
5547 break;
5548 case AUTH_SHAREDKEY:
5549 if (apriv->keyindex < auto_wep) {
c0380693 5550 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT		 5551 apriv->config.authType = AUTH_SHAREDKEY;
5552 apriv->keyindex++;
5553 } else {
5554 /* Drop to ENCRYPT */
5555 apriv->keyindex = 0;
c0380693 5556 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT		 5557 apriv->config.authType = AUTH_ENCRYPT;
5558 }
5559 break;
5560 default: /* We'll escalate to SHAREDKEY */
5561 apriv->config.authType = AUTH_SHAREDKEY;
5562 }
5563 set_bit (FLAG_COMMIT, &apriv->flags);
5564 writeConfigRid(apriv, 0);
175ec1a1 5565 enable_MAC(apriv, 0);
1da177e4
LT		 5566 up(&apriv->sem);
5567
5568/* Schedule check to see if the change worked */
3c304956 5569 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5570 apriv->expires = RUN_AT(HZ*3);
5571}
5572
1da177e4
LT		 5573#ifdef CONFIG_PCI
5574static int __devinit airo_pci_probe(struct pci_dev *pdev,
5575 const struct pci_device_id *pent)
5576{
5577 struct net_device *dev;
5578
5579 if (pci_enable_device(pdev))
5580 return -ENODEV;
5581 pci_set_master(pdev);
5582
5583 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5584 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5585 else
5586 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5587 if (!dev) {
5588 pci_disable_device(pdev);
1da177e4 5589 return -ENODEV;
777ec5e9 5590 }
1da177e4
LT		 5591
5592 pci_set_drvdata(pdev, dev);
5593 return 0;
5594}
5595
5596static void __devexit airo_pci_remove(struct pci_dev *pdev)
5597{
af5b5c9a
MS		 5598 struct net_device *dev = pci_get_drvdata(pdev);
5599
5600 airo_print_info(dev->name, "Unregistering...");
5601 stop_airo_card(dev, 1);
777ec5e9
MS		 5602 pci_disable_device(pdev);
5603 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5604}
5605
05adc3b7 5606static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5607{
5608 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5609 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5610 Cmd cmd;
5611 Resp rsp;
5612
e292c737
PM		 5613 if (!ai->APList)
5614 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5615 if (!ai->APList)
1da177e4 5616 return -ENOMEM;
e292c737
PM		 5617 if (!ai->SSID)
5618 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5619 if (!ai->SSID)
1da177e4
LT		 5620 return -ENOMEM;
5621 readAPListRid(ai, ai->APList);
5622 readSsidRid(ai, ai->SSID);
5623 memset(&cmd, 0, sizeof(cmd));
5624 /* the lock will be released at the end of the resume callback */
5625 if (down_interruptible(&ai->sem))
5626 return -EAGAIN;
5627 disable_MAC(ai, 0);
5628 netif_device_detach(dev);
5629 ai->power = state;
e292c737 5630 cmd.cmd = HOSTSLEEP;
1da177e4
LT		 5631 issuecommand(ai, &cmd, &rsp);
5632
1cc68ae0 5633 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5634 pci_save_state(pdev);
1cc68ae0 5635 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
1da177e4
LT		 5636}
5637
5638static int airo_pci_resume(struct pci_dev *pdev)
5639{
5640 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5641 struct airo_info *ai = dev->ml_priv;
53232803 5642 pci_power_t prev_state = pdev->current_state;
1da177e4 5643
53232803 5644 pci_set_power_state(pdev, PCI_D0);
1da177e4 5645 pci_restore_state(pdev);
53232803 5646 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5647
53232803 5648 if (prev_state != PCI_D1) {
1da177e4
LT		 5649 reset_card(dev, 0);
5650 mpi_init_descriptors(ai);
5651 setup_card(ai, dev->dev_addr, 0);
5652 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5653 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5654 } else {
5655 OUT4500(ai, EVACK, EV_AWAKEN);
5656 OUT4500(ai, EVACK, EV_AWAKEN);
5657 msleep(100);
5658 }
5659
e292c737 5660 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT		 5661 disable_MAC(ai, 0);
5662 msleep(200);
5663 if (ai->SSID) {
5664 writeSsidRid(ai, ai->SSID, 0);
5665 kfree(ai->SSID);
5666 ai->SSID = NULL;
5667 }
5668 if (ai->APList) {
5669 writeAPListRid(ai, ai->APList, 0);
5670 kfree(ai->APList);
5671 ai->APList = NULL;
5672 }
5673 writeConfigRid(ai, 0);
175ec1a1 5674 enable_MAC(ai, 0);
1cc68ae0 5675 ai->power = PMSG_ON;
1da177e4
LT		 5676 netif_device_attach(dev);
5677 netif_wake_queue(dev);
5678 enable_interrupts(ai);
5679 up(&ai->sem);
5680 return 0;
5681}
5682#endif
5683
5684static int __init airo_init_module( void )
5685{
de897881 5686 int i;
1da177e4 5687
928b4d8c 5688 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5689 S_IFDIR | airo_perm,
928b4d8c 5690 NULL);
de897881
JG		 5691
5692 if (airo_entry) {
5693 airo_entry->uid = proc_uid;
5694 airo_entry->gid = proc_gid;
5695 }
1da177e4 5696
e292c737 5697 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW		 5698 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5699 "io=0x%x", irq[i], io[i] );
1da177e4 5700 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5701 /* do nothing */ ;
1da177e4
LT		 5702 }
5703
5704#ifdef CONFIG_PCI
934d8bf1 5705 airo_print_info("", "Probing for PCI adapters");
de897881 5706 i = pci_register_driver(&airo_driver);
934d8bf1 5707 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5708
5709 if (i) {
928b4d8c 5710 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5711 return i;
5712 }
1da177e4
LT		 5713#endif
5714
5715 /* Always exit with success, as we are a library module
5716 * as well as a driver module
5717 */
5718 return 0;
5719}
5720
5721static void __exit airo_cleanup_module( void )
5722{
af5b5c9a
MS		 5723 struct airo_info *ai;
5724 while(!list_empty(&airo_devices)) {
5725 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5726 airo_print_info(ai->dev->name, "Unregistering...");
5727 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5728 }
5729#ifdef CONFIG_PCI
5730 pci_unregister_driver(&airo_driver);
5731#endif
928b4d8c 5732 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5733}
5734
1da177e4
LT		 5735/*
5736 * Initial Wireless Extension code for Aironet driver by :
5737 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5738 * Conversion to new driver API by :
5739 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5740 * Javier also did a good amount of work here, adding some new extensions
5741 * and fixing my code. Let's just say that without him this code just
5742 * would not work at all... - Jean II
5743 */
5744
41480af2
DW		 5745static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5746{
e292c737 5747 if (!rssi_rid)
41480af2
DW		 5748 return 0;
5749
5750 return (0x100 - rssi_rid[rssi].rssidBm);
5751}
5752
5753static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5754{
5755 int i;
5756
e292c737 5757 if (!rssi_rid)
41480af2
DW		 5758 return 0;
5759
e292c737 5760 for (i = 0; i < 256; i++)
41480af2
DW		 5761 if (rssi_rid[i].rssidBm == dbm)
5762 return rssi_rid[i].rssipct;
5763
5764 return 0;
5765}
5766
5767
1da177e4
LT		 5768static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5769{
5770 int quality = 0;
329e2c00 5771 u16 sq;
1da177e4 5772
329e2c00 5773 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5774 return 0;
5775
5776 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5777 return 0;
5778
329e2c00 5779 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5780 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5781 if (sq > 0x20)
56d81bd3 5782 quality = 0;
1da177e4 5783 else
329e2c00 5784 quality = 0x20 - sq;
56d81bd3 5785 else
329e2c00 5786 if (sq > 0xb0)
56d81bd3 5787 quality = 0;
329e2c00 5788 else if (sq < 0x10)
56d81bd3
AV		 5789 quality = 0xa0;
5790 else
329e2c00 5791 quality = 0xb0 - sq;
1da177e4
LT		 5792 return quality;
5793}
5794
5795#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5796#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5797
5798/*------------------------------------------------------------------*/
5799/*
5800 * Wireless Handler : get protocol name
5801 */
5802static int airo_get_name(struct net_device *dev,
5803 struct iw_request_info *info,
5804 char *cwrq,
5805 char *extra)
5806{
5807 strcpy(cwrq, "IEEE 802.11-DS");
5808 return 0;
5809}
5810
5811/*------------------------------------------------------------------*/
5812/*
5813 * Wireless Handler : set frequency
5814 */
5815static int airo_set_freq(struct net_device *dev,
5816 struct iw_request_info *info,
5817 struct iw_freq *fwrq,
5818 char *extra)
5819{
faf3994a 5820 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5821 int rc = -EINPROGRESS; /* Call commit handler */
5822
5823 /* If setting by frequency, convert to a channel */
9ee677c2 5824 if(fwrq->e == 1) {
1da177e4 5825 int f = fwrq->m / 100000;
9ee677c2 5826
1da177e4
LT		 5827 /* Hack to fall through... */
5828 fwrq->e = 0;
9ee677c2 5829 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT		 5830 }
5831 /* Setting by channel number */
5832 if((fwrq->m > 1000) || (fwrq->e > 0))
5833 rc = -EOPNOTSUPP;
5834 else {
5835 int channel = fwrq->m;
5836 /* We should do a better check than that,
5837 * based on the card capability !!! */
2610c733 5838 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5839 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5840 fwrq->m);
1da177e4
LT		 5841 rc = -EINVAL;
5842 } else {
5843 readConfigRid(local, 1);
5844 /* Yes ! We can set it !!! */
3eb9b41f 5845 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5846 set_bit (FLAG_COMMIT, &local->flags);
5847 }
5848 }
5849 return rc;
5850}
5851
5852/*------------------------------------------------------------------*/
5853/*
5854 * Wireless Handler : get frequency
5855 */
5856static int airo_get_freq(struct net_device *dev,
5857 struct iw_request_info *info,
5858 struct iw_freq *fwrq,
5859 char *extra)
5860{
faf3994a 5861 struct airo_info *local = dev->ml_priv;
1da177e4 5862 StatusRid status_rid; /* Card status info */
2610c733 5863 int ch;
1da177e4
LT		 5864
5865 readConfigRid(local, 1);
3eb9b41f
AV		 5866 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5867 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5868 else
5869 readStatusRid(local, &status_rid, 1);
5870
329e2c00 5871 ch = le16_to_cpu(status_rid.channel);
2610c733 5872 if((ch > 0) && (ch < 15)) {
9ee677c2 5873 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5874 fwrq->e = 1;
2610c733
JA		 5875 } else {
5876 fwrq->m = ch;
5877 fwrq->e = 0;
1da177e4 5878 }
1da177e4
LT		 5879
5880 return 0;
5881}
5882
5883/*------------------------------------------------------------------*/
5884/*
5885 * Wireless Handler : set ESSID
5886 */
5887static int airo_set_essid(struct net_device *dev,
5888 struct iw_request_info *info,
5889 struct iw_point *dwrq,
5890 char *extra)
5891{
faf3994a 5892 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5893 SsidRid SSID_rid; /* SSIDs */
5894
5895 /* Reload the list of current SSID */
5896 readSsidRid(local, &SSID_rid);
5897
5898 /* Check if we asked for `any' */
5899 if(dwrq->flags == 0) {
5900 /* Just send an empty SSID list */
5901 memset(&SSID_rid, 0, sizeof(SSID_rid));
5902 } else {
5903 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5904
5905 /* Check the size of the string */
7f8544cc 5906 if(dwrq->length > IW_ESSID_MAX_SIZE) {
1da177e4
LT		 5907 return -E2BIG ;
5908 }
5909 /* Check if index is valid */
5910 if((index < 0) || (index >= 4)) {
5911 return -EINVAL;
5912 }
5913
5914 /* Set the SSID */
5915 memset(SSID_rid.ssids[index].ssid, 0,
5916 sizeof(SSID_rid.ssids[index].ssid));
5917 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5918 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5919 }
0dd2212f 5920 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5921 /* Write it to the card */
5922 disable_MAC(local, 1);
5923 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5924 enable_MAC(local, 1);
1da177e4
LT		 5925
5926 return 0;
5927}
5928
5929/*------------------------------------------------------------------*/
5930/*
5931 * Wireless Handler : get ESSID
5932 */
5933static int airo_get_essid(struct net_device *dev,
5934 struct iw_request_info *info,
5935 struct iw_point *dwrq,
5936 char *extra)
5937{
faf3994a 5938 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5939 StatusRid status_rid; /* Card status info */
5940
5941 readStatusRid(local, &status_rid, 1);
5942
5943 /* Note : if dwrq->flags != 0, we should
5944 * get the relevant SSID from the SSID list... */
5945
5946 /* Get the current SSID */
329e2c00 5947 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5948 /* If none, we may want to get the one that was set */
5949
5950 /* Push it out ! */
329e2c00 5951 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5952 dwrq->flags = 1; /* active */
5953
5954 return 0;
5955}
5956
5957/*------------------------------------------------------------------*/
5958/*
5959 * Wireless Handler : set AP address
5960 */
5961static int airo_set_wap(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct sockaddr *awrq,
5964 char *extra)
5965{
faf3994a 5966 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5967 Cmd cmd;
5968 Resp rsp;
5969 APListRid APList_rid;
4be757dd
DW		 5970 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5971 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 5972
5973 if (awrq->sa_family != ARPHRD_ETHER)
5974 return -EINVAL;
4be757dd
DW		 5975 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5976 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 5977 memset(&cmd, 0, sizeof(cmd));
5978 cmd.cmd=CMD_LOSE_SYNC;
5979 if (down_interruptible(&local->sem))
5980 return -ERESTARTSYS;
5981 issuecommand(local, &cmd, &rsp);
5982 up(&local->sem);
5983 } else {
5984 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 5985 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5986 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5987 disable_MAC(local, 1);
5988 writeAPListRid(local, &APList_rid, 1);
175ec1a1 5989 enable_MAC(local, 1);
1da177e4
LT		 5990 }
5991 return 0;
5992}
5993
5994/*------------------------------------------------------------------*/
5995/*
5996 * Wireless Handler : get AP address
5997 */
5998static int airo_get_wap(struct net_device *dev,
5999 struct iw_request_info *info,
6000 struct sockaddr *awrq,
6001 char *extra)
6002{
faf3994a 6003 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6004 StatusRid status_rid; /* Card status info */
6005
6006 readStatusRid(local, &status_rid, 1);
6007
6008 /* Tentative. This seems to work, wow, I'm lucky !!! */
6009 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6010 awrq->sa_family = ARPHRD_ETHER;
6011
6012 return 0;
6013}
6014
6015/*------------------------------------------------------------------*/
6016/*
6017 * Wireless Handler : set Nickname
6018 */
6019static int airo_set_nick(struct net_device *dev,
6020 struct iw_request_info *info,
6021 struct iw_point *dwrq,
6022 char *extra)
6023{
faf3994a 6024 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6025
6026 /* Check the size of the string */
7f8544cc 6027 if(dwrq->length > 16) {
1da177e4
LT		 6028 return -E2BIG;
6029 }
6030 readConfigRid(local, 1);
6031 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6032 memcpy(local->config.nodeName, extra, dwrq->length);
6033 set_bit (FLAG_COMMIT, &local->flags);
6034
6035 return -EINPROGRESS; /* Call commit handler */
6036}
6037
6038/*------------------------------------------------------------------*/
6039/*
6040 * Wireless Handler : get Nickname
6041 */
6042static int airo_get_nick(struct net_device *dev,
6043 struct iw_request_info *info,
6044 struct iw_point *dwrq,
6045 char *extra)
6046{
faf3994a 6047 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6048
6049 readConfigRid(local, 1);
6050 strncpy(extra, local->config.nodeName, 16);
6051 extra[16] = '\0';
7f8544cc 6052 dwrq->length = strlen(extra);
1da177e4
LT		 6053
6054 return 0;
6055}
6056
6057/*------------------------------------------------------------------*/
6058/*
6059 * Wireless Handler : set Bit-Rate
6060 */
6061static int airo_set_rate(struct net_device *dev,
6062 struct iw_request_info *info,
6063 struct iw_param *vwrq,
6064 char *extra)
6065{
faf3994a 6066 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6067 CapabilityRid cap_rid; /* Card capability info */
6068 u8 brate = 0;
6069 int i;
6070
6071 /* First : get a valid bit rate value */
6072 readCapabilityRid(local, &cap_rid, 1);
6073
6074 /* Which type of value ? */
6075 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6076 /* Setting by rate index */
6077 /* Find value in the magic rate table */
6078 brate = cap_rid.supportedRates[vwrq->value];
6079 } else {
6080 /* Setting by frequency value */
6081 u8 normvalue = (u8) (vwrq->value/500000);
6082
6083 /* Check if rate is valid */
6084 for(i = 0 ; i < 8 ; i++) {
6085 if(normvalue == cap_rid.supportedRates[i]) {
6086 brate = normvalue;
6087 break;
6088 }
6089 }
6090 }
6091 /* -1 designed the max rate (mostly auto mode) */
6092 if(vwrq->value == -1) {
6093 /* Get the highest available rate */
6094 for(i = 0 ; i < 8 ; i++) {
6095 if(cap_rid.supportedRates[i] == 0)
6096 break;
6097 }
6098 if(i != 0)
6099 brate = cap_rid.supportedRates[i - 1];
6100 }
6101 /* Check that it is valid */
6102 if(brate == 0) {
6103 return -EINVAL;
6104 }
6105
6106 readConfigRid(local, 1);
6107 /* Now, check if we want a fixed or auto value */
6108 if(vwrq->fixed == 0) {
6109 /* Fill all the rates up to this max rate */
6110 memset(local->config.rates, 0, 8);
6111 for(i = 0 ; i < 8 ; i++) {
6112 local->config.rates[i] = cap_rid.supportedRates[i];
6113 if(local->config.rates[i] == brate)
6114 break;
6115 }
6116 } else {
6117 /* Fixed mode */
6118 /* One rate, fixed */
6119 memset(local->config.rates, 0, 8);
6120 local->config.rates[0] = brate;
6121 }
6122 set_bit (FLAG_COMMIT, &local->flags);
6123
6124 return -EINPROGRESS; /* Call commit handler */
6125}
6126
6127/*------------------------------------------------------------------*/
6128/*
6129 * Wireless Handler : get Bit-Rate
6130 */
6131static int airo_get_rate(struct net_device *dev,
6132 struct iw_request_info *info,
6133 struct iw_param *vwrq,
6134 char *extra)
6135{
faf3994a 6136 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6137 StatusRid status_rid; /* Card status info */
6138
6139 readStatusRid(local, &status_rid, 1);
6140
329e2c00 6141 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6142 /* If more than one rate, set auto */
6143 readConfigRid(local, 1);
6144 vwrq->fixed = (local->config.rates[1] == 0);
6145
6146 return 0;
6147}
6148
6149/*------------------------------------------------------------------*/
6150/*
6151 * Wireless Handler : set RTS threshold
6152 */
6153static int airo_set_rts(struct net_device *dev,
6154 struct iw_request_info *info,
6155 struct iw_param *vwrq,
6156 char *extra)
6157{
faf3994a 6158 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6159 int rthr = vwrq->value;
6160
6161 if(vwrq->disabled)
15db2763
DW		 6162 rthr = AIRO_DEF_MTU;
6163 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6164 return -EINVAL;
6165 }
6166 readConfigRid(local, 1);
3eb9b41f 6167 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6168 set_bit (FLAG_COMMIT, &local->flags);
6169
6170 return -EINPROGRESS; /* Call commit handler */
6171}
6172
6173/*------------------------------------------------------------------*/
6174/*
6175 * Wireless Handler : get RTS threshold
6176 */
6177static int airo_get_rts(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_param *vwrq,
6180 char *extra)
6181{
faf3994a 6182 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6183
6184 readConfigRid(local, 1);
3eb9b41f 6185 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6186 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6187 vwrq->fixed = 1;
6188
6189 return 0;
6190}
6191
6192/*------------------------------------------------------------------*/
6193/*
6194 * Wireless Handler : set Fragmentation threshold
6195 */
6196static int airo_set_frag(struct net_device *dev,
6197 struct iw_request_info *info,
6198 struct iw_param *vwrq,
6199 char *extra)
6200{
faf3994a 6201 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6202 int fthr = vwrq->value;
6203
6204 if(vwrq->disabled)
15db2763
DW		 6205 fthr = AIRO_DEF_MTU;
6206 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6207 return -EINVAL;
6208 }
6209 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6210 readConfigRid(local, 1);
3eb9b41f 6211 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6212 set_bit (FLAG_COMMIT, &local->flags);
6213
6214 return -EINPROGRESS; /* Call commit handler */
6215}
6216
6217/*------------------------------------------------------------------*/
6218/*
6219 * Wireless Handler : get Fragmentation threshold
6220 */
6221static int airo_get_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6224 char *extra)
6225{
faf3994a 6226 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6227
6228 readConfigRid(local, 1);
3eb9b41f 6229 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6230 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6231 vwrq->fixed = 1;
6232
6233 return 0;
6234}
6235
6236/*------------------------------------------------------------------*/
6237/*
6238 * Wireless Handler : set Mode of Operation
6239 */
6240static int airo_set_mode(struct net_device *dev,
6241 struct iw_request_info *info,
6242 __u32 *uwrq,
6243 char *extra)
6244{
faf3994a 6245 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6246 int reset = 0;
6247
6248 readConfigRid(local, 1);
3eb9b41f 6249 if (sniffing_mode(local))
1da177e4
LT		 6250 reset = 1;
6251
6252 switch(*uwrq) {
6253 case IW_MODE_ADHOC:
3eb9b41f 6254 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6255 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6256 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6257 local->config.scanMode = SCANMODE_ACTIVE;
6258 clear_bit (FLAG_802_11, &local->flags);
6259 break;
6260 case IW_MODE_INFRA:
3eb9b41f 6261 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6262 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6263 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6264 local->config.scanMode = SCANMODE_ACTIVE;
6265 clear_bit (FLAG_802_11, &local->flags);
6266 break;
6267 case IW_MODE_MASTER:
3eb9b41f 6268 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6269 local->config.opmode |= MODE_AP;
3eb9b41f 6270 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6271 local->config.scanMode = SCANMODE_ACTIVE;
6272 clear_bit (FLAG_802_11, &local->flags);
6273 break;
6274 case IW_MODE_REPEAT:
3eb9b41f 6275 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6276 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6277 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6278 local->config.scanMode = SCANMODE_ACTIVE;
6279 clear_bit (FLAG_802_11, &local->flags);
6280 break;
6281 case IW_MODE_MONITOR:
3eb9b41f 6282 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6283 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6284 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6285 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6286 local->config.scanMode = SCANMODE_PASSIVE;
6287 set_bit (FLAG_802_11, &local->flags);
6288 break;
6289 default:
6290 return -EINVAL;
6291 }
6292 if (reset)
6293 set_bit (FLAG_RESET, &local->flags);
6294 set_bit (FLAG_COMMIT, &local->flags);
6295
6296 return -EINPROGRESS; /* Call commit handler */
6297}
6298
6299/*------------------------------------------------------------------*/
6300/*
6301 * Wireless Handler : get Mode of Operation
6302 */
6303static int airo_get_mode(struct net_device *dev,
6304 struct iw_request_info *info,
6305 __u32 *uwrq,
6306 char *extra)
6307{
faf3994a 6308 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6309
6310 readConfigRid(local, 1);
6311 /* If not managed, assume it's ad-hoc */
3eb9b41f 6312 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6313 case MODE_STA_ESS:
6314 *uwrq = IW_MODE_INFRA;
6315 break;
6316 case MODE_AP:
6317 *uwrq = IW_MODE_MASTER;
6318 break;
6319 case MODE_AP_RPTR:
6320 *uwrq = IW_MODE_REPEAT;
6321 break;
6322 default:
6323 *uwrq = IW_MODE_ADHOC;
6324 }
6325
6326 return 0;
6327}
6328
138c0c68 6329static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6330{
138c0c68 6331 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV		 6332}
6333
1da177e4
LT		 6334/*------------------------------------------------------------------*/
6335/*
6336 * Wireless Handler : set Encryption Key
6337 */
6338static int airo_set_encode(struct net_device *dev,
6339 struct iw_request_info *info,
6340 struct iw_point *dwrq,
6341 char *extra)
6342{
faf3994a 6343 struct airo_info *local = dev->ml_priv;
c0380693 6344 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6345 __le16 currentAuthType = local->config.authType;
c0380693 6346 int rc = 0;
1da177e4 6347
138c0c68 6348 if (!local->wep_capable)
1da177e4 6349 return -EOPNOTSUPP;
138c0c68 6350
1da177e4
LT		 6351 readConfigRid(local, 1);
6352
6353 /* Basic checking: do we have a key to set ?
6354 * Note : with the new API, it's impossible to get a NULL pointer.
6355 * Therefore, we need to check a key size == 0 instead.
6356 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6357 * when no key is present (only change flags), but older versions
6358 * don't do it. - Jean II */
6359 if (dwrq->length > 0) {
6360 wep_key_t key;
6361 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6362 int current_index;
138c0c68 6363
1da177e4
LT		 6364 /* Check the size of the key */
6365 if (dwrq->length > MAX_KEY_SIZE) {
6366 return -EINVAL;
6367 }
138c0c68 6368
c0380693
DW		 6369 current_index = get_wep_tx_idx(local);
6370 if (current_index < 0)
6371 current_index = 0;
6372
1da177e4 6373 /* Check the index (none -> use current) */
138c0c68 6374 if (!valid_index(local, index))
1da177e4 6375 index = current_index;
138c0c68 6376
1da177e4
LT		 6377 /* Set the length */
6378 if (dwrq->length > MIN_KEY_SIZE)
6379 key.len = MAX_KEY_SIZE;
6380 else
6381 if (dwrq->length > 0)
6382 key.len = MIN_KEY_SIZE;
6383 else
6384 /* Disable the key */
6385 key.len = 0;
6386 /* Check if the key is not marked as invalid */
6387 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6388 /* Cleanup */
6389 memset(key.key, 0, MAX_KEY_SIZE);
6390 /* Copy the key in the driver */
6391 memcpy(key.key, extra, dwrq->length);
6392 /* Send the key to the card */
c0380693
DW		 6393 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6394 if (rc < 0) {
6395 airo_print_err(local->dev->name, "failed to set"
6396 " WEP key at index %d: %d.",
6397 index, rc);
6398 return rc;
6399 }
1da177e4
LT		 6400 }
6401 /* WE specify that if a valid key is set, encryption
6402 * should be enabled (user may turn it off later)
6403 * This is also how "iwconfig ethX key on" works */
6404 if((index == current_index) && (key.len > 0) &&
6405 (local->config.authType == AUTH_OPEN)) {
6406 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6407 }
6408 } else {
6409 /* Do we want to just set the transmit key index ? */
6410 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW		 6411 if (valid_index(local, index)) {
6412 rc = set_wep_tx_idx(local, index, perm, 1);
6413 if (rc < 0) {
6414 airo_print_err(local->dev->name, "failed to set"
6415 " WEP transmit index to %d: %d.",
6416 index, rc);
6417 return rc;
6418 }
6419 } else {
1da177e4 6420 /* Don't complain if only change the mode */
93a3b607 6421 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6422 return -EINVAL;
138c0c68 6423 }
1da177e4
LT		 6424 }
6425 /* Read the flags */
6426 if(dwrq->flags & IW_ENCODE_DISABLED)
6427 local->config.authType = AUTH_OPEN; // disable encryption
6428 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6429 local->config.authType = AUTH_SHAREDKEY; // Only Both
6430 if(dwrq->flags & IW_ENCODE_OPEN)
6431 local->config.authType = AUTH_ENCRYPT; // Only Wep
6432 /* Commit the changes to flags if needed */
f89b2321 6433 if (local->config.authType != currentAuthType)
1da177e4
LT		 6434 set_bit (FLAG_COMMIT, &local->flags);
6435 return -EINPROGRESS; /* Call commit handler */
6436}
6437
6438/*------------------------------------------------------------------*/
6439/*
6440 * Wireless Handler : get Encryption Key
6441 */
6442static int airo_get_encode(struct net_device *dev,
6443 struct iw_request_info *info,
6444 struct iw_point *dwrq,
6445 char *extra)
6446{
faf3994a 6447 struct airo_info *local = dev->ml_priv;
1da177e4 6448 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6449 u8 buf[16];
1da177e4 6450
138c0c68 6451 if (!local->wep_capable)
1da177e4 6452 return -EOPNOTSUPP;
138c0c68 6453
1da177e4 6454 readConfigRid(local, 1);
138c0c68 6455
1da177e4
LT		 6456 /* Check encryption mode */
6457 switch(local->config.authType) {
6458 case AUTH_ENCRYPT:
6459 dwrq->flags = IW_ENCODE_OPEN;
6460 break;
6461 case AUTH_SHAREDKEY:
6462 dwrq->flags = IW_ENCODE_RESTRICTED;
6463 break;
6464 default:
6465 case AUTH_OPEN:
6466 dwrq->flags = IW_ENCODE_DISABLED;
6467 break;
6468 }
6469 /* We can't return the key, so set the proper flag and return zero */
6470 dwrq->flags |= IW_ENCODE_NOKEY;
6471 memset(extra, 0, 16);
6472
6473 /* Which key do we want ? -1 -> tx index */
c0380693
DW		 6474 if (!valid_index(local, index)) {
6475 index = get_wep_tx_idx(local);
6476 if (index < 0)
6477 index = 0;
6478 }
1da177e4 6479 dwrq->flags |= index + 1;
c0380693 6480
1da177e4 6481 /* Copy the key to the user buffer */
c0380693
DW		 6482 dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
6483 memcpy(extra, buf, dwrq->length);
6484
1da177e4
LT		 6485 return 0;
6486}
6487
4be757dd
DW		 6488/*------------------------------------------------------------------*/
6489/*
6490 * Wireless Handler : set extended Encryption parameters
6491 */
6492static int airo_set_encodeext(struct net_device *dev,
6493 struct iw_request_info *info,
6494 union iwreq_data *wrqu,
6495 char *extra)
6496{
faf3994a 6497 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6498 struct iw_point *encoding = &wrqu->encoding;
6499 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6500 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6501 __le16 currentAuthType = local->config.authType;
c0380693 6502 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW		 6503 wep_key_t key;
6504
138c0c68 6505 if (!local->wep_capable)
4be757dd 6506 return -EOPNOTSUPP;
138c0c68 6507
4be757dd
DW		 6508 readConfigRid(local, 1);
6509
6510 /* Determine and validate the key index */
6511 idx = encoding->flags & IW_ENCODE_INDEX;
6512 if (idx) {
138c0c68 6513 if (!valid_index(local, idx - 1))
4be757dd
DW		 6514 return -EINVAL;
6515 idx--;
c0380693
DW		 6516 } else {
6517 idx = get_wep_tx_idx(local);
6518 if (idx < 0)
6519 idx = 0;
6520 }
4be757dd
DW		 6521
6522 if (encoding->flags & IW_ENCODE_DISABLED)
6523 alg = IW_ENCODE_ALG_NONE;
6524
4be757dd 6525 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6526 /* Only set transmit key index here, actual
6527 * key is set below if needed.
6528 */
c0380693
DW		 6529 rc = set_wep_tx_idx(local, idx, perm, 1);
6530 if (rc < 0) {
6531 airo_print_err(local->dev->name, "failed to set "
6532 "WEP transmit index to %d: %d.",
6533 idx, rc);
6534 return rc;
6535 }
22d8846e
DW		 6536 set_key = ext->key_len > 0 ? 1 : 0;
6537 }
6538
6539 if (set_key) {
4be757dd
DW		 6540 /* Set the requested key first */
6541 memset(key.key, 0, MAX_KEY_SIZE);
6542 switch (alg) {
6543 case IW_ENCODE_ALG_NONE:
6544 key.len = 0;
6545 break;
6546 case IW_ENCODE_ALG_WEP:
6547 if (ext->key_len > MIN_KEY_SIZE) {
6548 key.len = MAX_KEY_SIZE;
6549 } else if (ext->key_len > 0) {
6550 key.len = MIN_KEY_SIZE;
6551 } else {
6552 return -EINVAL;
6553 }
6554 key_len = min (ext->key_len, key.len);
6555 memcpy(key.key, ext->key, key_len);
6556 break;
6557 default:
6558 return -EINVAL;
6559 }
6560 /* Send the key to the card */
c0380693
DW		 6561 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6562 if (rc < 0) {
6563 airo_print_err(local->dev->name, "failed to set WEP key"
6564 " at index %d: %d.", idx, rc);
6565 return rc;
6566 }
4be757dd
DW		 6567 }
6568
6569 /* Read the flags */
6570 if(encoding->flags & IW_ENCODE_DISABLED)
6571 local->config.authType = AUTH_OPEN; // disable encryption
6572 if(encoding->flags & IW_ENCODE_RESTRICTED)
6573 local->config.authType = AUTH_SHAREDKEY; // Only Both
6574 if(encoding->flags & IW_ENCODE_OPEN)
6575 local->config.authType = AUTH_ENCRYPT; // Only Wep
6576 /* Commit the changes to flags if needed */
6577 if (local->config.authType != currentAuthType)
6578 set_bit (FLAG_COMMIT, &local->flags);
6579
6580 return -EINPROGRESS;
6581}
6582
6583
6584/*------------------------------------------------------------------*/
6585/*
6586 * Wireless Handler : get extended Encryption parameters
6587 */
6588static int airo_get_encodeext(struct net_device *dev,
6589 struct iw_request_info *info,
6590 union iwreq_data *wrqu,
6591 char *extra)
6592{
faf3994a 6593 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6594 struct iw_point *encoding = &wrqu->encoding;
6595 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6596 int idx, max_key_len;
c0380693 6597 u8 buf[16];
4be757dd 6598
138c0c68 6599 if (!local->wep_capable)
4be757dd 6600 return -EOPNOTSUPP;
138c0c68 6601
4be757dd
DW		 6602 readConfigRid(local, 1);
6603
6604 max_key_len = encoding->length - sizeof(*ext);
6605 if (max_key_len < 0)
6606 return -EINVAL;
6607
6608 idx = encoding->flags & IW_ENCODE_INDEX;
6609 if (idx) {
138c0c68 6610 if (!valid_index(local, idx - 1))
4be757dd
DW		 6611 return -EINVAL;
6612 idx--;
c0380693
DW		 6613 } else {
6614 idx = get_wep_tx_idx(local);
6615 if (idx < 0)
6616 idx = 0;
6617 }
4be757dd
DW		 6618
6619 encoding->flags = idx + 1;
6620 memset(ext, 0, sizeof(*ext));
6621
6622 /* Check encryption mode */
6623 switch(local->config.authType) {
6624 case AUTH_ENCRYPT:
6625 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6626 break;
6627 case AUTH_SHAREDKEY:
6628 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6629 break;
6630 default:
6631 case AUTH_OPEN:
6632 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6633 break;
6634 }
6635 /* We can't return the key, so set the proper flag and return zero */
6636 encoding->flags |= IW_ENCODE_NOKEY;
6637 memset(extra, 0, 16);
6638
6639 /* Copy the key to the user buffer */
c0380693
DW		 6640 ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6641 memcpy(extra, buf, ext->key_len);
4be757dd
DW		 6642
6643 return 0;
6644}
6645
6646
6647/*------------------------------------------------------------------*/
6648/*
6649 * Wireless Handler : set extended authentication parameters
6650 */
6651static int airo_set_auth(struct net_device *dev,
6652 struct iw_request_info *info,
6653 union iwreq_data *wrqu, char *extra)
6654{
faf3994a 6655 struct airo_info *local = dev->ml_priv;
4be757dd 6656 struct iw_param *param = &wrqu->param;
3eb9b41f 6657 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6658
6659 switch (param->flags & IW_AUTH_INDEX) {
6660 case IW_AUTH_WPA_VERSION:
6661 case IW_AUTH_CIPHER_PAIRWISE:
6662 case IW_AUTH_CIPHER_GROUP:
6663 case IW_AUTH_KEY_MGMT:
6664 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6665 case IW_AUTH_PRIVACY_INVOKED:
6666 /*
6667 * airo does not use these parameters
6668 */
6669 break;
6670
6671 case IW_AUTH_DROP_UNENCRYPTED:
6672 if (param->value) {
6673 /* Only change auth type if unencrypted */
6674 if (currentAuthType == AUTH_OPEN)
6675 local->config.authType = AUTH_ENCRYPT;
6676 } else {
6677 local->config.authType = AUTH_OPEN;
6678 }
6679
6680 /* Commit the changes to flags if needed */
6681 if (local->config.authType != currentAuthType)
6682 set_bit (FLAG_COMMIT, &local->flags);
6683 break;
6684
6685 case IW_AUTH_80211_AUTH_ALG: {
6686 /* FIXME: What about AUTH_OPEN? This API seems to
6687 * disallow setting our auth to AUTH_OPEN.
6688 */
6689 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6690 local->config.authType = AUTH_SHAREDKEY;
6691 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6692 local->config.authType = AUTH_ENCRYPT;
6693 } else
6694 return -EINVAL;
6695 break;
6696
6697 /* Commit the changes to flags if needed */
6698 if (local->config.authType != currentAuthType)
6699 set_bit (FLAG_COMMIT, &local->flags);
6700 }
6701
6702 case IW_AUTH_WPA_ENABLED:
6703 /* Silently accept disable of WPA */
6704 if (param->value > 0)
6705 return -EOPNOTSUPP;
6706 break;
6707
6708 default:
6709 return -EOPNOTSUPP;
6710 }
6711 return -EINPROGRESS;
6712}
6713
6714
6715/*------------------------------------------------------------------*/
6716/*
6717 * Wireless Handler : get extended authentication parameters
6718 */
6719static int airo_get_auth(struct net_device *dev,
6720 struct iw_request_info *info,
6721 union iwreq_data *wrqu, char *extra)
6722{
faf3994a 6723 struct airo_info *local = dev->ml_priv;
4be757dd 6724 struct iw_param *param = &wrqu->param;
3eb9b41f 6725 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6726
6727 switch (param->flags & IW_AUTH_INDEX) {
6728 case IW_AUTH_DROP_UNENCRYPTED:
6729 switch (currentAuthType) {
6730 case AUTH_SHAREDKEY:
6731 case AUTH_ENCRYPT:
6732 param->value = 1;
6733 break;
6734 default:
6735 param->value = 0;
6736 break;
6737 }
6738 break;
6739
6740 case IW_AUTH_80211_AUTH_ALG:
6741 switch (currentAuthType) {
6742 case AUTH_SHAREDKEY:
6743 param->value = IW_AUTH_ALG_SHARED_KEY;
6744 break;
6745 case AUTH_ENCRYPT:
6746 default:
6747 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6748 break;
6749 }
6750 break;
6751
6752 case IW_AUTH_WPA_ENABLED:
6753 param->value = 0;
6754 break;
6755
6756 default:
6757 return -EOPNOTSUPP;
6758 }
6759 return 0;
6760}
6761
6762
1da177e4
LT		 6763/*------------------------------------------------------------------*/
6764/*
6765 * Wireless Handler : set Tx-Power
6766 */
6767static int airo_set_txpow(struct net_device *dev,
6768 struct iw_request_info *info,
6769 struct iw_param *vwrq,
6770 char *extra)
6771{
faf3994a 6772 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6773 CapabilityRid cap_rid; /* Card capability info */
6774 int i;
6775 int rc = -EINVAL;
3eb9b41f 6776 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6777
6778 readCapabilityRid(local, &cap_rid, 1);
6779
6780 if (vwrq->disabled) {
6781 set_bit (FLAG_RADIO_OFF, &local->flags);
6782 set_bit (FLAG_COMMIT, &local->flags);
6783 return -EINPROGRESS; /* Call commit handler */
6784 }
6785 if (vwrq->flags != IW_TXPOW_MWATT) {
6786 return -EINVAL;
6787 }
6788 clear_bit (FLAG_RADIO_OFF, &local->flags);
6789 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
3eb9b41f 6790 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6791 readConfigRid(local, 1);
3eb9b41f 6792 local->config.txPower = v;
1da177e4
LT		 6793 set_bit (FLAG_COMMIT, &local->flags);
6794 rc = -EINPROGRESS; /* Call commit handler */
6795 break;
6796 }
6797 return rc;
6798}
6799
6800/*------------------------------------------------------------------*/
6801/*
6802 * Wireless Handler : get Tx-Power
6803 */
6804static int airo_get_txpow(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6807 char *extra)
6808{
faf3994a 6809 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6810
6811 readConfigRid(local, 1);
3eb9b41f 6812 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6813 vwrq->fixed = 1; /* No power control */
6814 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6815 vwrq->flags = IW_TXPOW_MWATT;
6816
6817 return 0;
6818}
6819
6820/*------------------------------------------------------------------*/
6821/*
6822 * Wireless Handler : set Retry limits
6823 */
6824static int airo_set_retry(struct net_device *dev,
6825 struct iw_request_info *info,
6826 struct iw_param *vwrq,
6827 char *extra)
6828{
faf3994a 6829 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6830 int rc = -EINVAL;
6831
6832 if(vwrq->disabled) {
6833 return -EINVAL;
6834 }
6835 readConfigRid(local, 1);
6836 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6837 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6838 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6839 local->config.longRetryLimit = v;
7f8544cc 6840 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6841 local->config.shortRetryLimit = v;
1da177e4
LT		 6842 else {
6843 /* No modifier : set both */
3eb9b41f
AV		 6844 local->config.longRetryLimit = v;
6845 local->config.shortRetryLimit = v;
1da177e4
LT		 6846 }
6847 set_bit (FLAG_COMMIT, &local->flags);
6848 rc = -EINPROGRESS; /* Call commit handler */
6849 }
6850 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6851 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6852 set_bit (FLAG_COMMIT, &local->flags);
6853 rc = -EINPROGRESS; /* Call commit handler */
6854 }
6855 return rc;
6856}
6857
6858/*------------------------------------------------------------------*/
6859/*
6860 * Wireless Handler : get Retry limits
6861 */
6862static int airo_get_retry(struct net_device *dev,
6863 struct iw_request_info *info,
6864 struct iw_param *vwrq,
6865 char *extra)
6866{
faf3994a 6867 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6868
6869 vwrq->disabled = 0; /* Can't be disabled */
6870
6871 readConfigRid(local, 1);
6872 /* Note : by default, display the min retry number */
6873 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6874 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6875 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6876 } else if((vwrq->flags & IW_RETRY_LONG)) {
6877 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6878 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6879 } else {
6880 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6881 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6882 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6883 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6884 }
6885
6886 return 0;
6887}
6888
6889/*------------------------------------------------------------------*/
6890/*
6891 * Wireless Handler : get range info
6892 */
6893static int airo_get_range(struct net_device *dev,
6894 struct iw_request_info *info,
6895 struct iw_point *dwrq,
6896 char *extra)
6897{
faf3994a 6898 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6899 struct iw_range *range = (struct iw_range *) extra;
6900 CapabilityRid cap_rid; /* Card capability info */
6901 int i;
6902 int k;
6903
6904 readCapabilityRid(local, &cap_rid, 1);
6905
6906 dwrq->length = sizeof(struct iw_range);
6907 memset(range, 0, sizeof(*range));
6908 range->min_nwid = 0x0000;
6909 range->max_nwid = 0x0000;
6910 range->num_channels = 14;
6911 /* Should be based on cap_rid.country to give only
6912 * what the current card support */
6913 k = 0;
6914 for(i = 0; i < 14; i++) {
6915 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK		 6916 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6917 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT		 6918 }
6919 range->num_frequency = k;
6920
41480af2
DW		 6921 range->sensitivity = 65535;
6922
1da177e4 6923 /* Hum... Should put the right values there */
41480af2
DW		 6924 if (local->rssi)
6925 range->max_qual.qual = 100; /* % */
6926 else
6927 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6928 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6929 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6930
6931 /* Experimental measurements - boundary 11/5.5 Mb/s */
6932 /* Note : with or without the (local->rssi), results
6933 * are somewhat different. - Jean II */
6934 if (local->rssi) {
ce6623c3
JT		 6935 range->avg_qual.qual = 50; /* % */
6936 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6937 } else {
6938 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6939 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6940 }
ce6623c3 6941 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6942
6943 for(i = 0 ; i < 8 ; i++) {
6944 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6945 if(range->bitrate[i] == 0)
6946 break;
6947 }
6948 range->num_bitrates = i;
6949
6950 /* Set an indication of the max TCP throughput
6951 * in bit/s that we can expect using this interface.
6952 * May be use for QoS stuff... Jean II */
6953 if(i > 2)
6954 range->throughput = 5000 * 1000;
6955 else
6956 range->throughput = 1500 * 1000;
6957
6958 range->min_rts = 0;
15db2763 6959 range->max_rts = AIRO_DEF_MTU;
1da177e4 6960 range->min_frag = 256;
15db2763 6961 range->max_frag = AIRO_DEF_MTU;
1da177e4 6962
56d81bd3 6963 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 6964 // WEP: RC4 40 bits
6965 range->encoding_size[0] = 5;
6966 // RC4 ~128 bits
56d81bd3 6967 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 6968 range->encoding_size[1] = 13;
6969 range->num_encoding_sizes = 2;
6970 } else
6971 range->num_encoding_sizes = 1;
56d81bd3
AV		 6972 range->max_encoding_tokens =
6973 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 6974 } else {
6975 range->num_encoding_sizes = 0;
6976 range->max_encoding_tokens = 0;
6977 }
6978 range->min_pmp = 0;
6979 range->max_pmp = 5000000; /* 5 secs */
6980 range->min_pmt = 0;
6981 range->max_pmt = 65535 * 1024; /* ??? */
6982 range->pmp_flags = IW_POWER_PERIOD;
6983 range->pmt_flags = IW_POWER_TIMEOUT;
6984 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6985
6986 /* Transmit Power - values are in mW */
6987 for(i = 0 ; i < 8 ; i++) {
56d81bd3 6988 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 6989 if(range->txpower[i] == 0)
6990 break;
6991 }
6992 range->num_txpower = i;
6993 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 6994 range->we_version_source = 19;
1da177e4
LT		 6995 range->we_version_compiled = WIRELESS_EXT;
6996 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6997 range->retry_flags = IW_RETRY_LIMIT;
6998 range->r_time_flags = IW_RETRY_LIFETIME;
6999 range->min_retry = 1;
7000 range->max_retry = 65535;
7001 range->min_r_time = 1024;
7002 range->max_r_time = 65535 * 1024;
1da177e4
LT		 7003
7004 /* Event capability (kernel + driver) */
7005 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7006 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7007 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7008 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7009 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7010 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7011 return 0;
7012}
7013
7014/*------------------------------------------------------------------*/
7015/*
7016 * Wireless Handler : set Power Management
7017 */
7018static int airo_set_power(struct net_device *dev,
7019 struct iw_request_info *info,
7020 struct iw_param *vwrq,
7021 char *extra)
7022{
faf3994a 7023 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7024
7025 readConfigRid(local, 1);
7026 if (vwrq->disabled) {
3eb9b41f 7027 if (sniffing_mode(local))
1da177e4 7028 return -EINVAL;
1da177e4 7029 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7030 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7031 local->config.rmode |= RXMODE_BC_MC_ADDR;
7032 set_bit (FLAG_COMMIT, &local->flags);
7033 return -EINPROGRESS; /* Call commit handler */
7034 }
7035 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7036 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7037 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7038 set_bit (FLAG_COMMIT, &local->flags);
7039 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 7040 local->config.fastListenInterval =
7041 local->config.listenInterval =
7042 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7043 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 }
7046 switch (vwrq->flags & IW_POWER_MODE) {
7047 case IW_POWER_UNICAST_R:
3eb9b41f 7048 if (sniffing_mode(local))
1da177e4 7049 return -EINVAL;
3eb9b41f 7050 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7051 local->config.rmode |= RXMODE_ADDR;
7052 set_bit (FLAG_COMMIT, &local->flags);
7053 break;
7054 case IW_POWER_ALL_R:
3eb9b41f 7055 if (sniffing_mode(local))
1da177e4 7056 return -EINVAL;
3eb9b41f 7057 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7058 local->config.rmode |= RXMODE_BC_MC_ADDR;
7059 set_bit (FLAG_COMMIT, &local->flags);
7060 case IW_POWER_ON:
7f8544cc 7061 /* This is broken, fixme ;-) */
1da177e4
LT		 7062 break;
7063 default:
7064 return -EINVAL;
7065 }
7066 // Note : we may want to factor local->need_commit here
7067 // Note2 : may also want to factor RXMODE_RFMON test
7068 return -EINPROGRESS; /* Call commit handler */
7069}
7070
7071/*------------------------------------------------------------------*/
7072/*
7073 * Wireless Handler : get Power Management
7074 */
7075static int airo_get_power(struct net_device *dev,
7076 struct iw_request_info *info,
7077 struct iw_param *vwrq,
7078 char *extra)
7079{
faf3994a 7080 struct airo_info *local = dev->ml_priv;
3eb9b41f 7081 __le16 mode;
1da177e4
LT		 7082
7083 readConfigRid(local, 1);
7084 mode = local->config.powerSaveMode;
7085 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7086 return 0;
7087 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7088 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 7089 vwrq->flags = IW_POWER_TIMEOUT;
7090 } else {
3eb9b41f 7091 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 7092 vwrq->flags = IW_POWER_PERIOD;
7093 }
3eb9b41f 7094 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 7095 vwrq->flags |= IW_POWER_UNICAST_R;
7096 else
7097 vwrq->flags |= IW_POWER_ALL_R;
7098
7099 return 0;
7100}
7101
7102/*------------------------------------------------------------------*/
7103/*
7104 * Wireless Handler : set Sensitivity
7105 */
7106static int airo_set_sens(struct net_device *dev,
7107 struct iw_request_info *info,
7108 struct iw_param *vwrq,
7109 char *extra)
7110{
faf3994a 7111 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7112
7113 readConfigRid(local, 1);
3eb9b41f
AV		 7114 local->config.rssiThreshold =
7115 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7116 set_bit (FLAG_COMMIT, &local->flags);
7117
7118 return -EINPROGRESS; /* Call commit handler */
7119}
7120
7121/*------------------------------------------------------------------*/
7122/*
7123 * Wireless Handler : get Sensitivity
7124 */
7125static int airo_get_sens(struct net_device *dev,
7126 struct iw_request_info *info,
7127 struct iw_param *vwrq,
7128 char *extra)
7129{
faf3994a 7130 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7131
7132 readConfigRid(local, 1);
3eb9b41f 7133 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7134 vwrq->disabled = (vwrq->value == 0);
7135 vwrq->fixed = 1;
7136
7137 return 0;
7138}
7139
7140/*------------------------------------------------------------------*/
7141/*
7142 * Wireless Handler : get AP List
7143 * Note : this is deprecated in favor of IWSCAN
7144 */
7145static int airo_get_aplist(struct net_device *dev,
7146 struct iw_request_info *info,
7147 struct iw_point *dwrq,
7148 char *extra)
7149{
faf3994a 7150 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7151 struct sockaddr *address = (struct sockaddr *) extra;
7152 struct iw_quality qual[IW_MAX_AP];
7153 BSSListRid BSSList;
7154 int i;
7155 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7156
7157 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7158 u16 dBm;
1da177e4
LT		 7159 if (readBSSListRid(local, loseSync, &BSSList))
7160 break;
7161 loseSync = 0;
7162 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7163 address[i].sa_family = ARPHRD_ETHER;
17e70491 7164 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7165 if (local->rssi) {
17e70491
AV		 7166 qual[i].level = 0x100 - dBm;
7167 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7168 qual[i].updated = IW_QUAL_QUAL_UPDATED
7169 | IW_QUAL_LEVEL_UPDATED
7170 | IW_QUAL_DBM;
41480af2 7171 } else {
17e70491 7172 qual[i].level = (dBm + 321) / 2;
41480af2 7173 qual[i].qual = 0;
ce6623c3
JT		 7174 qual[i].updated = IW_QUAL_QUAL_INVALID
7175 | IW_QUAL_LEVEL_UPDATED
7176 | IW_QUAL_DBM;
41480af2
DW		 7177 }
7178 qual[i].noise = local->wstats.qual.noise;
17e70491 7179 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7180 break;
7181 }
7182 if (!i) {
7183 StatusRid status_rid; /* Card status info */
7184 readStatusRid(local, &status_rid, 1);
7185 for (i = 0;
7186 i < min(IW_MAX_AP, 4) &&
7187 (status_rid.bssid[i][0]
7188 & status_rid.bssid[i][1]
7189 & status_rid.bssid[i][2]
7190 & status_rid.bssid[i][3]
7191 & status_rid.bssid[i][4]
7192 & status_rid.bssid[i][5])!=0xff &&
7193 (status_rid.bssid[i][0]
7194 | status_rid.bssid[i][1]
7195 | status_rid.bssid[i][2]
7196 | status_rid.bssid[i][3]
7197 | status_rid.bssid[i][4]
7198 | status_rid.bssid[i][5]);
7199 i++) {
7200 memcpy(address[i].sa_data,
7201 status_rid.bssid[i], ETH_ALEN);
7202 address[i].sa_family = ARPHRD_ETHER;
7203 }
7204 } else {
7205 dwrq->flags = 1; /* Should be define'd */
7206 memcpy(extra + sizeof(struct sockaddr)*i,
7207 &qual, sizeof(struct iw_quality)*i);
7208 }
7209 dwrq->length = i;
7210
7211 return 0;
7212}
7213
7214/*------------------------------------------------------------------*/
7215/*
7216 * Wireless Handler : Initiate Scan
7217 */
7218static int airo_set_scan(struct net_device *dev,
7219 struct iw_request_info *info,
9930ccee 7220 struct iw_point *dwrq,
1da177e4
LT		 7221 char *extra)
7222{
faf3994a 7223 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7224 Cmd cmd;
7225 Resp rsp;
9e75af30 7226 int wake = 0;
1da177e4
LT		 7227
7228 /* Note : you may have realised that, as this is a SET operation,
7229 * this is privileged and therefore a normal user can't
7230 * perform scanning.
7231 * This is not an error, while the device perform scanning,
7232 * traffic doesn't flow, so it's a perfect DoS...
7233 * Jean II */
7234 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7235
9e75af30
DW		 7236 if (down_interruptible(&ai->sem))
7237 return -ERESTARTSYS;
7238
7239 /* If there's already a scan in progress, don't
7240 * trigger another one. */
7241 if (ai->scan_timeout > 0)
7242 goto out;
7243
1da177e4 7244 /* Initiate a scan command */
6fcdf565 7245 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7246 memset(&cmd, 0, sizeof(cmd));
7247 cmd.cmd=CMD_LISTBSS;
1da177e4 7248 issuecommand(ai, &cmd, &rsp);
9e75af30 7249 wake = 1;
1da177e4 7250
9e75af30
DW		 7251out:
7252 up(&ai->sem);
7253 if (wake)
7254 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7255 return 0;
7256}
7257
7258/*------------------------------------------------------------------*/
7259/*
7260 * Translate scan data returned from the card to a card independent
7261 * format that the Wireless Tools will understand - Jean II
7262 */
7263static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7264 struct iw_request_info *info,
1da177e4
LT		 7265 char *current_ev,
7266 char *end_buf,
41480af2 7267 BSSListRid *bss)
1da177e4 7268{
faf3994a 7269 struct airo_info *ai = dev->ml_priv;
1da177e4 7270 struct iw_event iwe; /* Temporary buffer */
17e70491 7271 __le16 capabilities;
1da177e4
LT		 7272 char * current_val; /* For rates */
7273 int i;
3c304956 7274 char * buf;
851b3e5e 7275 u16 dBm;
1da177e4
LT		 7276
7277 /* First entry *MUST* be the AP MAC address */
7278 iwe.cmd = SIOCGIWAP;
7279 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7280 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM		 7281 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7282 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 7283
7284 /* Other entries will be displayed in the order we give them */
7285
7286 /* Add the ESSID */
41480af2 7287 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7288 if(iwe.u.data.length > 32)
7289 iwe.u.data.length = 32;
7290 iwe.cmd = SIOCGIWESSID;
7291 iwe.u.data.flags = 1;
ccc58057
DM		 7292 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7293 &iwe, bss->ssid);
1da177e4
LT		 7294
7295 /* Add mode */
7296 iwe.cmd = SIOCGIWMODE;
17e70491 7297 capabilities = bss->cap;
1da177e4
LT		 7298 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7299 if(capabilities & CAP_ESS)
7300 iwe.u.mode = IW_MODE_MASTER;
7301 else
7302 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 7303 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7304 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 7305 }
7306
7307 /* Add frequency */
7308 iwe.cmd = SIOCGIWFREQ;
41480af2 7309 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7310 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7311 iwe.u.freq.e = 1;
ccc58057
DM		 7312 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7313 &iwe, IW_EV_FREQ_LEN);
1da177e4 7314
851b3e5e
AV		 7315 dBm = le16_to_cpu(bss->dBm);
7316
1da177e4
LT		 7317 /* Add quality statistics */
7318 iwe.cmd = IWEVQUAL;
41480af2 7319 if (ai->rssi) {
851b3e5e
AV		 7320 iwe.u.qual.level = 0x100 - dBm;
7321 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7322 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7323 | IW_QUAL_LEVEL_UPDATED
7324 | IW_QUAL_DBM;
41480af2 7325 } else {
851b3e5e 7326 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7327 iwe.u.qual.qual = 0;
bbeec90b 7328 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7329 | IW_QUAL_LEVEL_UPDATED
7330 | IW_QUAL_DBM;
41480af2
DW		 7331 }
7332 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM		 7333 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7334 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 7335
7336 /* Add encryption capability */
7337 iwe.cmd = SIOCGIWENCODE;
7338 if(capabilities & CAP_PRIVACY)
7339 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7340 else
7341 iwe.u.data.flags = IW_ENCODE_DISABLED;
7342 iwe.u.data.length = 0;
ccc58057
DM		 7343 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7344 &iwe, bss->ssid);
1da177e4
LT		 7345
7346 /* Rate : stuffing multiple values in a single event require a bit
7347 * more of magic - Jean II */
ccc58057 7348 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT		 7349
7350 iwe.cmd = SIOCGIWRATE;
7351 /* Those two flags are ignored... */
7352 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7353 /* Max 8 values */
7354 for(i = 0 ; i < 8 ; i++) {
7355 /* NULL terminated */
41480af2 7356 if(bss->rates[i] == 0)
1da177e4
LT		 7357 break;
7358 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7359 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7360 /* Add new value to event */
ccc58057
DM		 7361 current_val = iwe_stream_add_value(info, current_ev,
7362 current_val, end_buf,
7363 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 7364 }
7365 /* Check if we added any event */
ccc58057 7366 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT		 7367 current_ev = current_val;
7368
3c304956
DW		 7369 /* Beacon interval */
7370 buf = kmalloc(30, GFP_KERNEL);
7371 if (buf) {
7372 iwe.cmd = IWEVCUSTOM;
7373 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7374 iwe.u.data.length = strlen(buf);
ccc58057
DM		 7375 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7376 &iwe, buf);
3c304956
DW		 7377 kfree(buf);
7378 }
7379
7380 /* Put WPA/RSN Information Elements into the event stream */
7381 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7382 unsigned int num_null_ies = 0;
7383 u16 length = sizeof (bss->extra.iep);
2c706002 7384 u8 *ie = (void *)&bss->extra.iep;
3c304956 7385
2c706002
JB		 7386 while ((length >= 2) && (num_null_ies < 2)) {
7387 if (2 + ie[1] > length) {
3c304956
DW		 7388 /* Invalid element, don't continue parsing IE */
7389 break;
7390 }
7391
2c706002
JB		 7392 switch (ie[0]) {
7393 case WLAN_EID_SSID:
3c304956
DW		 7394 /* Two zero-length SSID elements
7395 * mean we're done parsing elements */
2c706002 7396 if (!ie[1])
3c304956
DW		 7397 num_null_ies++;
7398 break;
7399
2c706002
JB		 7400 case WLAN_EID_GENERIC:
7401 if (ie[1] >= 4 &&
7402 ie[2] == 0x00 &&
7403 ie[3] == 0x50 &&
7404 ie[4] == 0xf2 &&
7405 ie[5] == 0x01) {
3c304956 7406 iwe.cmd = IWEVGENIE;
2c706002
JB		 7407 /* 64 is an arbitrary cut-off */
7408 iwe.u.data.length = min(ie[1] + 2,
7409 64);
ccc58057
DM		 7410 current_ev = iwe_stream_add_point(
7411 info, current_ev,
2c706002 7412 end_buf, &iwe, ie);
3c304956
DW		 7413 }
7414 break;
7415
2c706002 7416 case WLAN_EID_RSN:
3c304956 7417 iwe.cmd = IWEVGENIE;
2c706002
JB		 7418 /* 64 is an arbitrary cut-off */
7419 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM		 7420 current_ev = iwe_stream_add_point(
7421 info, current_ev, end_buf,
2c706002 7422 &iwe, ie);
3c304956
DW		 7423 break;
7424
7425 default:
7426 break;
7427 }
7428
2c706002
JB		 7429 length -= 2 + ie[1];
7430 ie += 2 + ie[1];
3c304956
DW		 7431 }
7432 }
1da177e4
LT		 7433 return current_ev;
7434}
7435
7436/*------------------------------------------------------------------*/
7437/*
7438 * Wireless Handler : Read Scan Results
7439 */
7440static int airo_get_scan(struct net_device *dev,
7441 struct iw_request_info *info,
7442 struct iw_point *dwrq,
7443 char *extra)
7444{
faf3994a 7445 struct airo_info *ai = dev->ml_priv;
9e75af30
DW		 7446 BSSListElement *net;
7447 int err = 0;
1da177e4
LT		 7448 char *current_ev = extra;
7449
9e75af30
DW		 7450 /* If a scan is in-progress, return -EAGAIN */
7451 if (ai->scan_timeout > 0)
1da177e4 7452 return -EAGAIN;
1da177e4 7453
9e75af30
DW		 7454 if (down_interruptible(&ai->sem))
7455 return -EAGAIN;
1da177e4 7456
9e75af30 7457 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7458 /* Translate to WE format this entry */
ccc58057 7459 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7460 extra + dwrq->length,
9e75af30 7461 &net->bss);
1da177e4
LT		 7462
7463 /* Check if there is space for one more entry */
7464 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7465 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7466 err = -E2BIG;
7467 goto out;
1da177e4 7468 }
1da177e4 7469 }
9e75af30 7470
1da177e4
LT		 7471 /* Length of data */
7472 dwrq->length = (current_ev - extra);
7473 dwrq->flags = 0; /* todo */
7474
9e75af30
DW		 7475out:
7476 up(&ai->sem);
7477 return err;
1da177e4
LT		 7478}
7479
7480/*------------------------------------------------------------------*/
7481/*
7482 * Commit handler : called after a bunch of SET operations
7483 */
7484static int airo_config_commit(struct net_device *dev,
7485 struct iw_request_info *info, /* NULL */
7486 void *zwrq, /* NULL */
7487 char *extra) /* NULL */
7488{
faf3994a 7489 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7490
7491 if (!test_bit (FLAG_COMMIT, &local->flags))
7492 return 0;
7493
7494 /* Some of the "SET" function may have modified some of the
7495 * parameters. It's now time to commit them in the card */
7496 disable_MAC(local, 1);
7497 if (test_bit (FLAG_RESET, &local->flags)) {
7498 APListRid APList_rid;
7499 SsidRid SSID_rid;
7500
7501 readAPListRid(local, &APList_rid);
7502 readSsidRid(local, &SSID_rid);
7503 if (test_bit(FLAG_MPI,&local->flags))
7504 setup_card(local, dev->dev_addr, 1 );
7505 else
7506 reset_airo_card(dev);
7507 disable_MAC(local, 1);
7508 writeSsidRid(local, &SSID_rid, 1);
7509 writeAPListRid(local, &APList_rid, 1);
7510 }
7511 if (down_interruptible(&local->sem))
7512 return -ERESTARTSYS;
7513 writeConfigRid(local, 0);
175ec1a1 7514 enable_MAC(local, 0);
1da177e4
LT		 7515 if (test_bit (FLAG_RESET, &local->flags))
7516 airo_set_promisc(local);
7517 else
7518 up(&local->sem);
7519
7520 return 0;
7521}
7522
7523/*------------------------------------------------------------------*/
7524/*
7525 * Structures to export the Wireless Handlers
7526 */
7527
7528static const struct iw_priv_args airo_private_args[] = {
7529/*{ cmd, set_args, get_args, name } */
7530 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7531 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7532 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7533 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7534};
7535
7536static const iw_handler airo_handler[] =
7537{
7538 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7539 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7540 (iw_handler) NULL, /* SIOCSIWNWID */
7541 (iw_handler) NULL, /* SIOCGIWNWID */
7542 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7543 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7544 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7545 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7546 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7547 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7548 (iw_handler) NULL, /* SIOCSIWRANGE */
7549 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7550 (iw_handler) NULL, /* SIOCSIWPRIV */
7551 (iw_handler) NULL, /* SIOCGIWPRIV */
7552 (iw_handler) NULL, /* SIOCSIWSTATS */
7553 (iw_handler) NULL, /* SIOCGIWSTATS */
7554 iw_handler_set_spy, /* SIOCSIWSPY */
7555 iw_handler_get_spy, /* SIOCGIWSPY */
7556 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7557 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7558 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7559 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7560 (iw_handler) NULL, /* -- hole -- */
7561 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7562 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7563 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7564 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7565 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7566 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7567 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7568 (iw_handler) NULL, /* -- hole -- */
7569 (iw_handler) NULL, /* -- hole -- */
7570 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7571 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7572 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7573 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7574 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7575 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7576 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7577 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7578 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7579 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7580 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7581 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7582 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7583 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7584 (iw_handler) NULL, /* -- hole -- */
7585 (iw_handler) NULL, /* -- hole -- */
7586 (iw_handler) NULL, /* SIOCSIWGENIE */
7587 (iw_handler) NULL, /* SIOCGIWGENIE */
7588 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7589 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7590 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7591 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7592 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7593};
7594
7595/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7596 * We want to force the use of the ioctl code, because those can't be
7597 * won't work the iw_handler code (because they simultaneously read
7598 * and write data and iw_handler can't do that).
7599 * Note that it's perfectly legal to read/write on a single ioctl command,
7600 * you just can't use iwpriv and need to force it via the ioctl handler.
7601 * Jean II */
7602static const iw_handler airo_private_handler[] =
7603{
7604 NULL, /* SIOCIWFIRSTPRIV */
7605};
7606
7607static const struct iw_handler_def airo_handler_def =
7608{
ff8ac609
DC		 7609 .num_standard = ARRAY_SIZE(airo_handler),
7610 .num_private = ARRAY_SIZE(airo_private_handler),
7611 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7612 .standard = airo_handler,
7613 .private = airo_private_handler,
7614 .private_args = airo_private_args,
7615 .get_wireless_stats = airo_get_wireless_stats,
7616};
7617
1da177e4
LT		 7618/*
7619 * This defines the configuration part of the Wireless Extensions
7620 * Note : irq and spinlock protection will occur in the subroutines
7621 *
7622 * TODO :
7623 * o Check input value more carefully and fill correct values in range
7624 * o Test and shakeout the bugs (if any)
7625 *
7626 * Jean II
7627 *
7628 * Javier Achirica did a great job of merging code from the unnamed CISCO
7629 * developer that added support for flashing the card.
7630 */
7631static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7632{
7633 int rc = 0;
faf3994a 7634 struct airo_info *ai = dev->ml_priv;
1da177e4 7635
ca078bae 7636 if (ai->power.event)
1da177e4
LT		 7637 return 0;
7638
7639 switch (cmd) {
7640#ifdef CISCO_EXT
7641 case AIROIDIFC:
7642#ifdef AIROOLDIDIFC
7643 case AIROOLDIDIFC:
7644#endif
7645 {
7646 int val = AIROMAGIC;
7647 aironet_ioctl com;
7648 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7649 rc = -EFAULT;
7650 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7651 rc = -EFAULT;
7652 }
7653 break;
7654
7655 case AIROIOCTL:
7656#ifdef AIROOLDIOCTL
7657 case AIROOLDIOCTL:
7658#endif
7659 /* Get the command struct and hand it off for evaluation by
7660 * the proper subfunction
7661 */
7662 {
7663 aironet_ioctl com;
7664 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7665 rc = -EFAULT;
7666 break;
7667 }
7668
7669 /* Separate R/W functions bracket legality here
7670 */
7671 if ( com.command == AIRORSWVERSION ) {
7672 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7673 rc = -EFAULT;
7674 else
7675 rc = 0;
7676 }
7677 else if ( com.command <= AIRORRID)
7678 rc = readrids(dev,&com);
7679 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7680 rc = writerids(dev,&com);
7681 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7682 rc = flashcard(dev,&com);
7683 else
7684 rc = -EINVAL; /* Bad command in ioctl */
7685 }
7686 break;
7687#endif /* CISCO_EXT */
7688
7689 // All other calls are currently unsupported
7690 default:
7691 rc = -EOPNOTSUPP;
7692 }
7693 return rc;
7694}
7695
1da177e4
LT		 7696/*
7697 * Get the Wireless stats out of the driver
7698 * Note : irq and spinlock protection will occur in the subroutines
7699 *
7700 * TODO :
7701 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7702 *
7703 * Jean
7704 */
7705static void airo_read_wireless_stats(struct airo_info *local)
7706{
7707 StatusRid status_rid;
7708 StatsRid stats_rid;
7709 CapabilityRid cap_rid;
a23ace5f 7710 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7711
7712 /* Get stats out of the card */
3c304956 7713 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7714 if (local->power.event) {
1da177e4
LT		 7715 up(&local->sem);
7716 return;
7717 }
7718 readCapabilityRid(local, &cap_rid, 0);
7719 readStatusRid(local, &status_rid, 0);
7720 readStatsRid(local, &stats_rid, RID_STATS, 0);
7721 up(&local->sem);
7722
7723 /* The status */
329e2c00 7724 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7725
41480af2
DW		 7726 /* Signal quality and co */
7727 if (local->rssi) {
329e2c00
AV		 7728 local->wstats.qual.level =
7729 airo_rssi_to_dbm(local->rssi,
7730 le16_to_cpu(status_rid.sigQuality));
41480af2 7731 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7732 local->wstats.qual.qual =
7733 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7734 } else {
329e2c00
AV		 7735 local->wstats.qual.level =
7736 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7737 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7738 }
329e2c00 7739 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7740 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7741 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7742 } else {
7743 local->wstats.qual.noise = 0;
ce6623c3 7744 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7745 }
7746
7747 /* Packets discarded in the wireless adapter due to wireless
7748 * specific problems */
a23ace5f
AV		 7749 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7750 le32_to_cpu(vals[57]) +
7751 le32_to_cpu(vals[58]); /* SSID Mismatch */
7752 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7753 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7754 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7755 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7756 le32_to_cpu(vals[32]);
7757 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7758}
7759
ff1d2767 7760static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7761{
faf3994a 7762 struct airo_info *local = dev->ml_priv;
1da177e4 7763
3c304956 7764 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7765 /* Get stats out of the card if available */
7766 if (down_trylock(&local->sem) != 0) {
3c304956 7767 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7768 wake_up_interruptible(&local->thr_wait);
7769 } else
7770 airo_read_wireless_stats(local);
7771 }
7772
7773 return &local->wstats;
7774}
1da177e4
LT		 7775
7776#ifdef CISCO_EXT
7777/*
7778 * This just translates from driver IOCTL codes to the command codes to
7779 * feed to the radio's host interface. Things can be added/deleted
7780 * as needed. This represents the READ side of control I/O to
7781 * the card
7782 */
7783static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7784 unsigned short ridcode;
7785 unsigned char *iobuf;
7786 int len;
faf3994a 7787 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7788
7789 if (test_bit(FLAG_FLASHING, &ai->flags))
7790 return -EIO;
7791
7792 switch(comp->command)
7793 {
7794 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7795 case AIROGCFG: ridcode = RID_CONFIG;
7796 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7797 disable_MAC (ai, 1);
7798 writeConfigRid (ai, 1);
175ec1a1 7799 enable_MAC(ai, 1);
1da177e4
LT		 7800 }
7801 break;
7802 case AIROGSLIST: ridcode = RID_SSID; break;
7803 case AIROGVLIST: ridcode = RID_APLIST; break;
7804 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7805 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7806 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7807 /* Only super-user can read WEP keys */
7808 if (!capable(CAP_NET_ADMIN))
7809 return -EPERM;
7810 break;
7811 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7812 /* Only super-user can read WEP keys */
7813 if (!capable(CAP_NET_ADMIN))
7814 return -EPERM;
7815 break;
7816 case AIROGSTAT: ridcode = RID_STATUS; break;
7817 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7818 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7819 case AIROGMICSTATS:
7820 if (copy_to_user(comp->data, &ai->micstats,
7821 min((int)comp->len,(int)sizeof(ai->micstats))))
7822 return -EFAULT;
7823 return 0;
1da177e4
LT		 7824 case AIRORRID: ridcode = comp->ridnum; break;
7825 default:
7826 return -EINVAL;
7827 break;
7828 }
7829
7830 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7831 return -ENOMEM;
7832
7833 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7834 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7835 * then return it to the user
7836 * 9/22/2000 Honor user given length
7837 */
7838 len = comp->len;
7839
7840 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7841 kfree (iobuf);
7842 return -EFAULT;
7843 }
7844 kfree (iobuf);
7845 return 0;
7846}
7847
7848/*
7849 * Danger Will Robinson write the rids here
7850 */
7851
7852static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7853 struct airo_info *ai = dev->ml_priv;
1da177e4 7854 int ridcode;
1da177e4 7855 int enabled;
1da177e4
LT		 7856 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7857 unsigned char *iobuf;
7858
7859 /* Only super-user can write RIDs */
7860 if (!capable(CAP_NET_ADMIN))
7861 return -EPERM;
7862
7863 if (test_bit(FLAG_FLASHING, &ai->flags))
7864 return -EIO;
7865
7866 ridcode = 0;
7867 writer = do_writerid;
7868
7869 switch(comp->command)
7870 {
7871 case AIROPSIDS: ridcode = RID_SSID; break;
7872 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7873 case AIROPAPLIST: ridcode = RID_APLIST; break;
7874 case AIROPCFG: ai->config.len = 0;
7875 clear_bit(FLAG_COMMIT, &ai->flags);
7876 ridcode = RID_CONFIG; break;
7877 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7878 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7879 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7880 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7881 break;
7882 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7883 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7884
7885 /* this is not really a rid but a command given to the card
7886 * same with MAC off
7887 */
7888 case AIROPMACON:
175ec1a1 7889 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7890 return -EIO;
7891 return 0;
7892
7893 /*
7894 * Evidently this code in the airo driver does not get a symbol
7895 * as disable_MAC. it's probably so short the compiler does not gen one.
7896 */
7897 case AIROPMACOFF:
7898 disable_MAC(ai, 1);
7899 return 0;
7900
7901 /* This command merely clears the counts does not actually store any data
7902 * only reads rid. But as it changes the cards state, I put it in the
7903 * writerid routines.
7904 */
7905 case AIROPSTCLR:
7906 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7907 return -ENOMEM;
7908
7909 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7910
1da177e4
LT		 7911 enabled = ai->micstats.enabled;
7912 memset(&ai->micstats,0,sizeof(ai->micstats));
7913 ai->micstats.enabled = enabled;
1da177e4
LT		 7914
7915 if (copy_to_user(comp->data, iobuf,
7916 min((int)comp->len, (int)RIDSIZE))) {
7917 kfree (iobuf);
7918 return -EFAULT;
7919 }
7920 kfree (iobuf);
7921 return 0;
7922
7923 default:
7924 return -EOPNOTSUPP; /* Blarg! */
7925 }
7926 if(comp->len > RIDSIZE)
7927 return -EINVAL;
7928
7929 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7930 return -ENOMEM;
7931
7932 if (copy_from_user(iobuf,comp->data,comp->len)) {
7933 kfree (iobuf);
7934 return -EFAULT;
7935 }
7936
7937 if (comp->command == AIROPCFG) {
7938 ConfigRid *cfg = (ConfigRid *)iobuf;
7939
7940 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7941 cfg->opmode |= MODE_MIC;
1da177e4 7942
3eb9b41f 7943 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7944 set_bit (FLAG_ADHOC, &ai->flags);
7945 else
7946 clear_bit (FLAG_ADHOC, &ai->flags);
7947 }
7948
7949 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7950 kfree (iobuf);
7951 return -EIO;
7952 }
7953 kfree (iobuf);
7954 return 0;
7955}
7956
7957/*****************************************************************************
7958 * Ancillary flash / mod functions much black magic lurkes here *
7959 *****************************************************************************
7960 */
7961
7962/*
7963 * Flash command switch table
7964 */
7965
ff1d2767 7966static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 7967 int z;
1da177e4
LT		 7968
7969 /* Only super-user can modify flash */
7970 if (!capable(CAP_NET_ADMIN))
7971 return -EPERM;
7972
7973 switch(comp->command)
7974 {
7975 case AIROFLSHRST:
faf3994a 7976 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7977
7978 case AIROFLSHSTFL:
faf3994a
WC		 7979 if (!AIRO_FLASH(dev) &&
7980 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 7981 return -ENOMEM;
faf3994a 7982 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT		 7983
7984 case AIROFLSHGCHR: /* Get char from aux */
7985 if(comp->len != sizeof(int))
7986 return -EINVAL;
7987 if (copy_from_user(&z,comp->data,comp->len))
7988 return -EFAULT;
faf3994a 7989 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 7990
7991 case AIROFLSHPCHR: /* Send char to card. */
7992 if(comp->len != sizeof(int))
7993 return -EINVAL;
7994 if (copy_from_user(&z,comp->data,comp->len))
7995 return -EFAULT;
faf3994a 7996 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 7997
7998 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 7999 if (!AIRO_FLASH(dev))
1da177e4
LT		 8000 return -ENOMEM;
8001 if(comp->len > FLASHSIZE)
8002 return -EINVAL;
faf3994a 8003 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT		 8004 return -EFAULT;
8005
faf3994a 8006 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8007 return 0;
8008
8009 case AIRORESTART:
faf3994a 8010 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT		 8011 return -EIO;
8012 return 0;
8013 }
8014 return -EINVAL;
8015}
8016
8017#define FLASH_COMMAND 0x7e7e
8018
8019/*
8020 * STEP 1)
8021 * Disable MAC and do soft reset on
8022 * card.
8023 */
8024
ff1d2767 8025static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8026 disable_MAC(ai, 1);
8027
8028 if(!waitbusy (ai)){
934d8bf1 8029 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8030 return -EBUSY;
8031 }
8032
8033 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8034
8035 ssleep(1); /* WAS 600 12/7/00 */
8036
8037 if(!waitbusy (ai)){
934d8bf1 8038 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8039 return -EBUSY;
8040 }
8041 return 0;
8042}
8043
8044/* STEP 2)
8045 * Put the card in legendary flash
8046 * mode
8047 */
8048
ff1d2767 8049static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8050 set_bit (FLAG_FLASHING, &ai->flags);
8051
8052 OUT4500(ai, SWS0, FLASH_COMMAND);
8053 OUT4500(ai, SWS1, FLASH_COMMAND);
8054 if (probe) {
8055 OUT4500(ai, SWS0, FLASH_COMMAND);
8056 OUT4500(ai, COMMAND,0x10);
8057 } else {
8058 OUT4500(ai, SWS2, FLASH_COMMAND);
8059 OUT4500(ai, SWS3, FLASH_COMMAND);
8060 OUT4500(ai, COMMAND,0);
8061 }
8062 msleep(500); /* 500ms delay */
8063
8064 if(!waitbusy(ai)) {
8065 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8066 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8067 return -EIO;
8068 }
8069 return 0;
8070}
8071
8072/* Put character to SWS0 wait for dwelltime
8073 * x 50us for echo .
8074 */
8075
ff1d2767 8076static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8077 int echo;
8078 int waittime;
8079
8080 byte |= 0x8000;
8081
8082 if(dwelltime == 0 )
8083 dwelltime = 200;
8084
8085 waittime=dwelltime;
8086
8087 /* Wait for busy bit d15 to go false indicating buffer empty */
8088 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8089 udelay (50);
8090 waittime -= 50;
8091 }
8092
8093 /* timeout for busy clear wait */
8094 if(waittime <= 0 ){
934d8bf1 8095 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8096 return -EBUSY;
8097 }
8098
8099 /* Port is clear now write byte and wait for it to echo back */
8100 do {
8101 OUT4500(ai,SWS0,byte);
8102 udelay(50);
8103 dwelltime -= 50;
8104 echo = IN4500(ai,SWS1);
8105 } while (dwelltime >= 0 && echo != byte);
8106
8107 OUT4500(ai,SWS1,0);
8108
8109 return (echo == byte) ? 0 : -EIO;
8110}
8111
8112/*
8113 * Get a character from the card matching matchbyte
8114 * Step 3)
8115 */
ff1d2767 8116static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8117 int rchar;
8118 unsigned char rbyte=0;
8119
8120 do {
8121 rchar = IN4500(ai,SWS1);
8122
8123 if(dwelltime && !(0x8000 & rchar)){
8124 dwelltime -= 10;
8125 mdelay(10);
8126 continue;
8127 }
8128 rbyte = 0xff & rchar;
8129
8130 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8131 OUT4500(ai,SWS1,0);
8132 return 0;
8133 }
8134 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8135 break;
8136 OUT4500(ai,SWS1,0);
8137
8138 }while(dwelltime > 0);
8139 return -EIO;
8140}
8141
8142/*
8143 * Transfer 32k of firmware data from user buffer to our buffer and
8144 * send to the card
8145 */
8146
ff1d2767 8147static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8148 int nwords;
8149
8150 /* Write stuff */
8151 if (test_bit(FLAG_MPI,&ai->flags))
8152 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8153 else {
8154 OUT4500(ai,AUXPAGE,0x100);
8155 OUT4500(ai,AUXOFF,0);
8156
8157 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8158 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8159 }
8160 }
8161 OUT4500(ai,SWS0,0x8000);
8162
8163 return 0;
8164}
8165
8166/*
8167 *
8168 */
ff1d2767 8169static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8170 int i,status;
8171
8172 ssleep(1); /* Added 12/7/00 */
8173 clear_bit (FLAG_FLASHING, &ai->flags);
8174 if (test_bit(FLAG_MPI, &ai->flags)) {
8175 status = mpi_init_descriptors(ai);
8176 if (status != SUCCESS)
8177 return status;
8178 }
8179 status = setup_card(ai, dev->dev_addr, 1);
8180
8181 if (!test_bit(FLAG_MPI,&ai->flags))
8182 for( i = 0; i < MAX_FIDS; i++ ) {
8183 ai->fids[i] = transmit_allocate
15db2763 8184 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8185 }
8186
8187 ssleep(1); /* Added 12/7/00 */
8188 return status;
8189}
8190#endif /* CISCO_EXT */
8191
8192/*
8193 This program is free software; you can redistribute it and/or
8194 modify it under the terms of the GNU General Public License
8195 as published by the Free Software Foundation; either version 2
8196 of the License, or (at your option) any later version.
8197
8198 This program is distributed in the hope that it will be useful,
8199 but WITHOUT ANY WARRANTY; without even the implied warranty of
8200 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8201 GNU General Public License for more details.
8202
8203 In addition:
8204
8205 Redistribution and use in source and binary forms, with or without
8206 modification, are permitted provided that the following conditions
8207 are met:
8208
8209 1. Redistributions of source code must retain the above copyright
8210 notice, this list of conditions and the following disclaimer.
8211 2. Redistributions in binary form must reproduce the above copyright
8212 notice, this list of conditions and the following disclaimer in the
8213 documentation and/or other materials provided with the distribution.
8214 3. The name of the author may not be used to endorse or promote
8215 products derived from this software without specific prior written
8216 permission.
8217
8218 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8219 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8220 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8221 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8222 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8223 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8224 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8225 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8226 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8227 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8228 POSSIBILITY OF SUCH DAMAGE.
8229*/
8230
8231module_init(airo_init_module);
8232module_exit(airo_cleanup_module);
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