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1da177e4
LT		 1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20======================================================================*/
21
f12cc209 22#include <linux/err.h>
1da177e4
LT		 23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
1da177e4
LT		 28
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
378f058c 37#include <linux/scatterlist.h>
a39d3e79 38#include <linux/crypto.h>
1da177e4
LT		 39#include <asm/io.h>
40#include <asm/system.h>
593c2b9c 41#include <asm/unaligned.h>
1da177e4
LT		 42
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
3b4c7d64 50#include <linux/kthread.h>
7dfb7103 51#include <linux/freezer.h>
1da177e4 52
2c706002 53#include <linux/ieee80211.h>
2bf9fa69 54#include <net/iw_handler.h>
2c706002 55
d3808760
AB		 56#include "airo.h"
57
1138c37b
MS		 58#define DRV_NAME "airo"
59
1da177e4 60#ifdef CONFIG_PCI
a3aa1884 61static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
1da177e4
LT		 62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70};
71MODULE_DEVICE_TABLE(pci, card_ids);
72
73static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74static void airo_pci_remove(struct pci_dev *);
05adc3b7 75static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
1da177e4
LT		 76static int airo_pci_resume(struct pci_dev *pdev);
77
78static struct pci_driver airo_driver = {
1138c37b 79 .name = DRV_NAME,
1da177e4
LT		 80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85};
86#endif /* CONFIG_PCI */
87
88/* Include Wireless Extension definition and check version - Jean II */
89#include <linux/wireless.h>
e292c737
PM		 90#define WIRELESS_SPY /* enable iwspy support */
91#include <net/iw_handler.h> /* New driver API */
1da177e4 92
e292c737 93#define CISCO_EXT /* enable Cisco extensions */
1da177e4
LT		 94#ifdef CISCO_EXT
95#include <linux/delay.h>
96#endif
97
1da177e4
LT		 98/* Hack to do some power saving */
99#define POWER_ON_DOWN
100
101/* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107#define IGNLABEL(comment) NULL
7a374d8e 108static const char *statsLabels[] = {
1da177e4
LT		 109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210#ifndef RUN_AT
211#define RUN_AT(x) (jiffies+(x))
212#endif
213
214
215/* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219static int rates[8];
220static int basic_rate;
221static char *ssids[3];
222
223static int io[4];
224static int irq[4];
225
226static
227int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233static int adhoc;
234
235static int probe = 1;
236
237static int proc_uid /* = 0 */;
238
239static int proc_gid /* = 0 */;
240
241static int airo_perm = 0555;
242
243static int proc_perm = 0644;
244
245MODULE_AUTHOR("Benjamin Reed");
246MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
d73ae55a
BN		 247cards. Direct support for ISA/PCI/MPI cards and support \
248for PCMCIA when used with airo_cs.");
1da177e4
LT		 249MODULE_LICENSE("Dual BSD/GPL");
250MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251module_param_array(io, int, NULL, 0);
252module_param_array(irq, int, NULL, 0);
253module_param(basic_rate, int, 0);
254module_param_array(rates, int, NULL, 0);
255module_param_array(ssids, charp, NULL, 0);
256module_param(auto_wep, int, 0);
257MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258the authentication options until an association is made. The value of \
259auto_wep is number of the wep keys to check. A value of 2 will try using \
260the key at index 0 and index 1.");
261module_param(aux_bap, int, 0);
262MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263than seems to work better for older cards with some older buses. Before \
264switching it checks that the switch is needed.");
265module_param(maxencrypt, int, 0);
266MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268Older cards used to be limited to 2mbs (4).");
269module_param(adhoc, int, 0);
270MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271module_param(probe, int, 0);
272MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274module_param(proc_uid, int, 0);
275MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276module_param(proc_gid, int, 0);
277MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278module_param(airo_perm, int, 0);
279MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280module_param(proc_perm, int, 0);
281MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283/* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
e292c737 286static int do8bitIO /* = 0 */;
1da177e4
LT		 287
288/* Return codes */
289#define SUCCESS 0
290#define ERROR -1
291#define NO_PACKET -2
292
293/* Commands */
294#define NOP2 0x0000
295#define MAC_ENABLE 0x0001
296#define MAC_DISABLE 0x0002
297#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298#define CMD_SOFTRESET 0x0004
299#define HOSTSLEEP 0x0005
300#define CMD_MAGIC_PKT 0x0006
301#define CMD_SETWAKEMASK 0x0007
302#define CMD_READCFG 0x0008
303#define CMD_SETMODE 0x0009
304#define CMD_ALLOCATETX 0x000a
305#define CMD_TRANSMIT 0x000b
306#define CMD_DEALLOCATETX 0x000c
307#define NOP 0x0010
308#define CMD_WORKAROUND 0x0011
309#define CMD_ALLOCATEAUX 0x0020
310#define CMD_ACCESS 0x0021
311#define CMD_PCIBAP 0x0022
312#define CMD_PCIAUX 0x0023
313#define CMD_ALLOCBUF 0x0028
314#define CMD_GETTLV 0x0029
315#define CMD_PUTTLV 0x002a
316#define CMD_DELTLV 0x002b
317#define CMD_FINDNEXTTLV 0x002c
318#define CMD_PSPNODES 0x0030
319#define CMD_SETCW 0x0031
320#define CMD_SETPCF 0x0032
321#define CMD_SETPHYREG 0x003e
322#define CMD_TXTEST 0x003f
323#define MAC_ENABLETX 0x0101
324#define CMD_LISTBSS 0x0103
325#define CMD_SAVECFG 0x0108
326#define CMD_ENABLEAUX 0x0111
327#define CMD_WRITERID 0x0121
328#define CMD_USEPSPNODES 0x0130
329#define MAC_ENABLERX 0x0201
330
331/* Command errors */
332#define ERROR_QUALIF 0x00
333#define ERROR_ILLCMD 0x01
334#define ERROR_ILLFMT 0x02
335#define ERROR_INVFID 0x03
336#define ERROR_INVRID 0x04
337#define ERROR_LARGE 0x05
338#define ERROR_NDISABL 0x06
339#define ERROR_ALLOCBSY 0x07
340#define ERROR_NORD 0x0B
341#define ERROR_NOWR 0x0C
342#define ERROR_INVFIDTX 0x0D
343#define ERROR_TESTACT 0x0E
344#define ERROR_TAGNFND 0x12
345#define ERROR_DECODE 0x20
346#define ERROR_DESCUNAV 0x21
347#define ERROR_BADLEN 0x22
348#define ERROR_MODE 0x80
349#define ERROR_HOP 0x81
350#define ERROR_BINTER 0x82
351#define ERROR_RXMODE 0x83
352#define ERROR_MACADDR 0x84
353#define ERROR_RATES 0x85
354#define ERROR_ORDER 0x86
355#define ERROR_SCAN 0x87
356#define ERROR_AUTH 0x88
357#define ERROR_PSMODE 0x89
358#define ERROR_RTYPE 0x8A
359#define ERROR_DIVER 0x8B
360#define ERROR_SSID 0x8C
361#define ERROR_APLIST 0x8D
362#define ERROR_AUTOWAKE 0x8E
363#define ERROR_LEAP 0x8F
364
365/* Registers */
366#define COMMAND 0x00
367#define PARAM0 0x02
368#define PARAM1 0x04
369#define PARAM2 0x06
370#define STATUS 0x08
371#define RESP0 0x0a
372#define RESP1 0x0c
373#define RESP2 0x0e
374#define LINKSTAT 0x10
375#define SELECT0 0x18
376#define OFFSET0 0x1c
377#define RXFID 0x20
378#define TXALLOCFID 0x22
379#define TXCOMPLFID 0x24
380#define DATA0 0x36
381#define EVSTAT 0x30
382#define EVINTEN 0x32
383#define EVACK 0x34
384#define SWS0 0x28
385#define SWS1 0x2a
386#define SWS2 0x2c
387#define SWS3 0x2e
388#define AUXPAGE 0x3A
389#define AUXOFF 0x3C
390#define AUXDATA 0x3E
391
392#define FID_TX 1
393#define FID_RX 2
394/* Offset into aux memory for descriptors */
395#define AUX_OFFSET 0x800
396/* Size of allocated packets */
397#define PKTSIZE 1840
398#define RIDSIZE 2048
399/* Size of the transmit queue */
400#define MAXTXQ 64
401
402/* BAP selectors */
e292c737
PM		 403#define BAP0 0 /* Used for receiving packets */
404#define BAP1 2 /* Used for xmiting packets and working with RIDS */
1da177e4
LT		 405
406/* Flags */
407#define COMMAND_BUSY 0x8000
408
409#define BAP_BUSY 0x8000
410#define BAP_ERR 0x4000
411#define BAP_DONE 0x2000
412
413#define PROMISC 0xffff
414#define NOPROMISC 0x0000
415
416#define EV_CMD 0x10
417#define EV_CLEARCOMMANDBUSY 0x4000
418#define EV_RX 0x01
419#define EV_TX 0x02
420#define EV_TXEXC 0x04
421#define EV_ALLOC 0x08
422#define EV_LINK 0x80
423#define EV_AWAKE 0x100
424#define EV_TXCPY 0x400
425#define EV_UNKNOWN 0x800
426#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427#define EV_AWAKEN 0x2000
428#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430#ifdef CHECK_UNKNOWN_INTS
431#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432#else
433#define IGNORE_INTS (~STATUS_INTS)
434#endif
435
436/* RID TYPES */
437#define RID_RW 0x20
438
439/* The RIDs */
440#define RID_CAPABILITIES 0xFF00
441#define RID_APINFO 0xFF01
442#define RID_RADIOINFO 0xFF02
443#define RID_UNKNOWN3 0xFF03
444#define RID_RSSI 0xFF04
445#define RID_CONFIG 0xFF10
446#define RID_SSID 0xFF11
447#define RID_APLIST 0xFF12
448#define RID_DRVNAME 0xFF13
449#define RID_ETHERENCAP 0xFF14
450#define RID_WEP_TEMP 0xFF15
451#define RID_WEP_PERM 0xFF16
452#define RID_MODULATION 0xFF17
453#define RID_OPTIONS 0xFF18
454#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455#define RID_FACTORYCONFIG 0xFF21
456#define RID_UNKNOWN22 0xFF22
457#define RID_LEAPUSERNAME 0xFF23
458#define RID_LEAPPASSWORD 0xFF24
459#define RID_STATUS 0xFF50
460#define RID_BEACON_HST 0xFF51
461#define RID_BUSY_HST 0xFF52
462#define RID_RETRIES_HST 0xFF53
463#define RID_UNKNOWN54 0xFF54
464#define RID_UNKNOWN55 0xFF55
465#define RID_UNKNOWN56 0xFF56
466#define RID_MIC 0xFF57
467#define RID_STATS16 0xFF60
468#define RID_STATS16DELTA 0xFF61
469#define RID_STATS16DELTACLEAR 0xFF62
470#define RID_STATS 0xFF68
471#define RID_STATSDELTA 0xFF69
472#define RID_STATSDELTACLEAR 0xFF6A
473#define RID_ECHOTEST_RID 0xFF70
474#define RID_ECHOTEST_RESULTS 0xFF71
475#define RID_BSSLISTFIRST 0xFF72
476#define RID_BSSLISTNEXT 0xFF73
3c304956
DW		 477#define RID_WPA_BSSLISTFIRST 0xFF74
478#define RID_WPA_BSSLISTNEXT 0xFF75
1da177e4
LT		 479
480typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485} Cmd;
486
487typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492} Resp;
493
494/*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
499
1da177e4
LT		 500/* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
99590ffe
DW		 502typedef struct WepKeyRid WepKeyRid;
503struct WepKeyRid {
4293ea33
AV		 504 __le16 len;
505 __le16 kindex;
1da177e4 506 u8 mac[ETH_ALEN];
4293ea33 507 __le16 klen;
1da177e4 508 u8 key[16];
ba2d3587 509} __packed;
1da177e4
LT		 510
511/* These structures are from the Aironet's PC4500 Developers Manual */
99590ffe
DW		 512typedef struct Ssid Ssid;
513struct Ssid {
0dd2212f 514 __le16 len;
1da177e4 515 u8 ssid[32];
ba2d3587 516} __packed;
1da177e4 517
99590ffe
DW		 518typedef struct SsidRid SsidRid;
519struct SsidRid {
0dd2212f 520 __le16 len;
1da177e4 521 Ssid ssids[3];
ba2d3587 522} __packed;
1da177e4 523
99590ffe
DW		 524typedef struct ModulationRid ModulationRid;
525struct ModulationRid {
3eb9b41f
AV		 526 __le16 len;
527 __le16 modulation;
528#define MOD_DEFAULT cpu_to_le16(0)
529#define MOD_CCK cpu_to_le16(1)
530#define MOD_MOK cpu_to_le16(2)
ba2d3587 531} __packed;
1da177e4 532
99590ffe
DW		 533typedef struct ConfigRid ConfigRid;
534struct ConfigRid {
3eb9b41f
AV		 535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537#define MODE_STA_IBSS cpu_to_le16(0)
538#define MODE_STA_ESS cpu_to_le16(1)
539#define MODE_AP cpu_to_le16(2)
540#define MODE_AP_RPTR cpu_to_le16(3)
541#define MODE_CFG_MASK cpu_to_le16(0xff)
542#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558#define RXMODE_MASK cpu_to_le16(255)
559#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
1da177e4
LT		 564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
3eb9b41f
AV		 566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
1da177e4 576 /*---------- Scanning/Associating ----------*/
3eb9b41f
AV		 577 __le16 scanMode;
578#define SCANMODE_ACTIVE cpu_to_le16(0)
579#define SCANMODE_PASSIVE cpu_to_le16(1)
580#define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588#define AUTH_OPEN cpu_to_le16(0x1)
589#define AUTH_ENCRYPT cpu_to_le16(0x101)
590#define AUTH_SHAREDKEY cpu_to_le16(0x102)
591#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
1da177e4 601 /*---------- Power save operation ----------*/
3eb9b41f
AV		 602 __le16 powerSaveMode;
603#define POWERSAVE_CAM cpu_to_le16(0)
604#define POWERSAVE_PSP cpu_to_le16(1)
605#define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
1da177e4 612 /*---------- Ap/Ibss config items ----------*/
3eb9b41f
AV		 613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
1da177e4 621 /*---------- Radio configuration ----------*/
3eb9b41f
AV		 622 __le16 radioType;
623#define RADIOTYPE_DEFAULT cpu_to_le16(0)
624#define RADIOTYPE_802_11 cpu_to_le16(1)
625#define RADIOTYPE_LEGACY cpu_to_le16(2)
1da177e4
LT		 626 u8 rxDiversity;
627 u8 txDiversity;
3eb9b41f 628 __le16 txPower;
1da177e4 629#define TXPOWER_DEFAULT 0
3eb9b41f 630 __le16 rssiThreshold;
1da177e4 631#define RSSI_DEFAULT 0
3eb9b41f
AV		 632 __le16 modulation;
633#define PREAMBLE_AUTO cpu_to_le16(0)
634#define PREAMBLE_LONG cpu_to_le16(1)
635#define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
1da177e4
LT		 639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
3eb9b41f
AV		 641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
1da177e4
LT		 645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647#define MAGIC_ACTION_STSCHG 1
648#define MAGIC_ACTION_RESUME 2
649#define MAGIC_IGNORE_MCAST (1<<8)
650#define MAGIC_IGNORE_BCAST (1<<9)
651#define MAGIC_SWITCH_TO_PSP (0<<10)
652#define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
3eb9b41f 654 __le16 autoWake;
ba2d3587 655} __packed;
1da177e4 656
99590ffe
DW		 657typedef struct StatusRid StatusRid;
658struct StatusRid {
329e2c00 659 __le16 len;
1da177e4 660 u8 mac[ETH_ALEN];
329e2c00
AV		 661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
1da177e4
LT		 665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
329e2c00
AV		 668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
1da177e4
LT		 683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
329e2c00 690 __le16 load;
1da177e4 691 u8 carrier[4];
329e2c00 692 __le16 assocStatus;
1da177e4
LT		 693#define STAT_NOPACKETS 0
694#define STAT_NOCARRIERSET 10
695#define STAT_GOTCARRIERSET 11
696#define STAT_WRONGSSID 20
697#define STAT_BADCHANNEL 25
698#define STAT_BADBITRATES 30
699#define STAT_BADPRIVACY 35
700#define STAT_APFOUND 40
701#define STAT_APREJECTED 50
702#define STAT_AUTHENTICATING 60
703#define STAT_DEAUTHENTICATED 61
704#define STAT_AUTHTIMEOUT 62
705#define STAT_ASSOCIATING 70
706#define STAT_DEASSOCIATED 71
707#define STAT_ASSOCTIMEOUT 72
708#define STAT_NOTAIROAP 73
709#define STAT_ASSOCIATED 80
710#define STAT_LEAPING 90
711#define STAT_LEAPFAILED 91
712#define STAT_LEAPTIMEDOUT 92
713#define STAT_LEAPCOMPLETE 93
ba2d3587 714} __packed;
1da177e4 715
99590ffe
DW		 716typedef struct StatsRid StatsRid;
717struct StatsRid {
a23ace5f
AV		 718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
ba2d3587 721} __packed;
1da177e4 722
99590ffe
DW		 723typedef struct APListRid APListRid;
724struct APListRid {
a749716e 725 __le16 len;
1da177e4 726 u8 ap[4][ETH_ALEN];
ba2d3587 727} __packed;
1da177e4 728
99590ffe
DW		 729typedef struct CapabilityRid CapabilityRid;
730struct CapabilityRid {
56d81bd3 731 __le16 len;
1da177e4
LT		 732 char oui[3];
733 char zero;
56d81bd3 734 __le16 prodNum;
1da177e4
LT		 735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
56d81bd3
AV		 740 __le16 radioType;
741 __le16 country;
1da177e4
LT		 742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
56d81bd3
AV		 746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
ba2d3587 757} __packed;
3c304956
DW		 758
759/* Only present on firmware >= 5.30.17 */
99590ffe
DW		 760typedef struct BSSListRidExtra BSSListRidExtra;
761struct BSSListRidExtra {
17e70491 762 __le16 unknown[4];
3c304956
DW		 763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
ba2d3587 765} __packed;
3c304956 766
99590ffe
DW		 767typedef struct BSSListRid BSSListRid;
768struct BSSListRid {
17e70491
AV		 769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
1da177e4
LT		 771#define RADIO_FH 1 /* Frequency hopping radio type */
772#define RADIO_DS 2 /* Direct sequence radio type */
773#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
17e70491 774 __le16 radioType;
1da177e4
LT		 775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
17e70491
AV		 779 __le16 dBm;
780#define CAP_ESS cpu_to_le16(1<<0)
781#define CAP_IBSS cpu_to_le16(1<<1)
782#define CAP_PRIVACY cpu_to_le16(1<<4)
783#define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
1da177e4
LT		 786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
17e70491 788 __le16 dwell;
1da177e4
LT		 789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
17e70491
AV		 794 __le16 dsChannel;
795 __le16 atimWindow;
3c304956
DW		 796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
ba2d3587 799} __packed;
1da177e4 800
9e75af30
DW		 801typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804} BSSListElement;
805
99590ffe
DW		 806typedef struct tdsRssiEntry tdsRssiEntry;
807struct tdsRssiEntry {
1da177e4
LT		 808 u8 rssipct;
809 u8 rssidBm;
ba2d3587 810} __packed;
1da177e4 811
99590ffe
DW		 812typedef struct tdsRssiRid tdsRssiRid;
813struct tdsRssiRid {
1da177e4
LT		 814 u16 len;
815 tdsRssiEntry x[256];
ba2d3587 816} __packed;
1da177e4 817
99590ffe
DW		 818typedef struct MICRid MICRid;
819struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
1da177e4 823 u8 multicast[16];
99590ffe 824 __le16 unicastValid;
1da177e4 825 u8 unicast[16];
ba2d3587 826} __packed;
1da177e4 827
99590ffe
DW		 828typedef struct MICBuffer MICBuffer;
829struct MICBuffer {
593c2b9c 830 __be16 typelen;
1da177e4
LT		 831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
593c2b9c
AV		 842 __be32 mic;
843 __be32 seq;
ba2d3587 844} __packed;
1da177e4
LT		 845
846typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849} etherHead;
850
1da177e4
LT		 851#define TXCTL_TXOK (1<<1) /* report if tx is ok */
852#define TXCTL_TXEX (1<<2) /* report if tx fails */
853#define TXCTL_802_3 (0<<3) /* 802.3 packet */
854#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856#define TXCTL_LLC (1<<4) /* payload is llc */
857#define TXCTL_RELEASE (0<<5) /* release after completion */
858#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860#define BUSY_FID 0x10000
861
862#ifdef CISCO_EXT
863#define AIROMAGIC 0xa55a
864/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865#ifdef SIOCIWFIRSTPRIV
866#ifdef SIOCDEVPRIVATE
867#define AIROOLDIOCTL SIOCDEVPRIVATE
868#define AIROOLDIDIFC AIROOLDIOCTL + 1
869#endif /* SIOCDEVPRIVATE */
870#else /* SIOCIWFIRSTPRIV */
871#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872#endif /* SIOCIWFIRSTPRIV */
873/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877#define AIROIOCTL SIOCIWFIRSTPRIV
878#define AIROIDIFC AIROIOCTL + 1
879
880/* Ioctl constants to be used in airo_ioctl.command */
881
882#define AIROGCAP 0 // Capability rid
883#define AIROGCFG 1 // USED A LOT
884#define AIROGSLIST 2 // System ID list
885#define AIROGVLIST 3 // List of specified AP's
886#define AIROGDRVNAM 4 // NOTUSED
887#define AIROGEHTENC 5 // NOTUSED
888#define AIROGWEPKTMP 6
889#define AIROGWEPKNV 7
890#define AIROGSTAT 8
891#define AIROGSTATSC32 9
892#define AIROGSTATSD32 10
893#define AIROGMICRID 11
894#define AIROGMICSTATS 12
895#define AIROGFLAGS 13
896#define AIROGID 14
897#define AIRORRID 15
898#define AIRORSWVERSION 17
899
900/* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902#define AIROPCAP AIROGSTATSD32 + 40
903#define AIROPVLIST AIROPCAP + 1
904#define AIROPSLIST AIROPVLIST + 1
905#define AIROPCFG AIROPSLIST + 1
906#define AIROPSIDS AIROPCFG + 1
907#define AIROPAPLIST AIROPSIDS + 1
908#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910#define AIROPSTCLR AIROPMACOFF + 1
911#define AIROPWEPKEY AIROPSTCLR + 1
912#define AIROPWEPKEYNV AIROPWEPKEY + 1
913#define AIROPLEAPPWD AIROPWEPKEYNV + 1
914#define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916/* Flash codes */
917
918#define AIROFLSHRST AIROPWEPKEYNV + 40
919#define AIROFLSHGCHR AIROFLSHRST + 1
920#define AIROFLSHSTFL AIROFLSHGCHR + 1
921#define AIROFLSHPCHR AIROFLSHSTFL + 1
922#define AIROFLPUTBUF AIROFLSHPCHR + 1
923#define AIRORESTART AIROFLPUTBUF + 1
924
925#define FLASHSIZE 32768
926#define AUXMEMSIZE (256 * 1024)
927
928typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933} aironet_ioctl;
934
7a374d8e 935static const char swversion[] = "2.1";
1da177e4
LT		 936#endif /* CISCO_EXT */
937
938#define NUM_MODULES 2
939#define MIC_MSGLEN_MAX 2400
940#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
15db2763 941#define AIRO_DEF_MTU 2312
1da177e4
LT		 942
943typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952} mic_statistics;
953
954typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
593c2b9c 960 __be32 d32;
1da177e4
LT		 961 } part; // saves partial message word across update() calls
962} emmh32_context;
963
964typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971} miccntx;
972
973typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976} mic_module;
977
978typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983} Rid;
984
985typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991} TxFid;
992
f55d4517
DW		 993struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
ba2d3587 999} __packed;
f55d4517 1000
1da177e4
LT		 1001typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007} RxFid;
1008
1009/*
1010 * Host receive descriptor
1011 */
1012typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019} HostRxDesc;
1020
1021/*
1022 * Host transmit descriptor
1023 */
1024typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031} HostTxDesc;
1032
1033/*
1034 * Host RID descriptor
1035 */
1036typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042} HostRidDesc;
1043
1044typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049#define HOST_SET (1 << 0)
1050#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056#define HOST_RTS (1 << 9) /* Force RTS use */
1057#define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062} TxCtlHdr;
1063
1064typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072} WifiHdr;
1073
1074
1075typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082} WifiCtlHdr;
1083
ff1d2767 1084static WifiCtlHdr wifictlhdr8023 = {
1da177e4
LT		 1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088};
1089
1da177e4
LT		 1090// A few details needed for WEP (Wireless Equivalent Privacy)
1091#define MAX_KEY_SIZE 13 // 128 (?) bits
1092#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096} wep_key_t;
1097
1da177e4
LT		 1098/* List of Wireless Handlers (new API) */
1099static const struct iw_handler_def airo_handler_def;
1da177e4
LT		 1100
1101static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103struct airo_info;
1104
1105static int get_dec_u16( char *buffer, int *start, int limit );
1106static void OUT4500( struct airo_info *, u16 register, u16 value );
1107static unsigned short IN4500( struct airo_info *, u16 register );
1108static u16 setup_card(struct airo_info*, u8 *mac, int lock);
175ec1a1 1109static int enable_MAC(struct airo_info *ai, int lock);
1da177e4
LT		 1110static void disable_MAC(struct airo_info *ai, int lock);
1111static void enable_interrupts(struct airo_info*);
1112static void disable_interrupts(struct airo_info*);
1113static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
b8c06bc1 1115static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1116 int whichbap);
b8c06bc1 1117static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4 1118 int whichbap);
b8c06bc1 1119static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1da177e4
LT		 1120 int whichbap);
1121static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131static int mpi_send_packet (struct net_device *dev);
1132static void mpi_unmap_card(struct pci_dev *pci);
1133static void mpi_receive_802_3(struct airo_info *ai);
1134static void mpi_receive_802_11(struct airo_info *ai);
1135static int waitbusy (struct airo_info *ai);
1136
7d12e780 1137static irqreturn_t airo_interrupt( int irq, void* dev_id);
1da177e4
LT		 1138static int airo_thread(void *data);
1139static void timer_func( struct net_device *dev );
1140static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
ff1d2767 1141static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1da177e4 1142static void airo_read_wireless_stats (struct airo_info *local);
1da177e4
LT		 1143#ifdef CISCO_EXT
1144static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145static int writerids(struct net_device *dev, aironet_ioctl *comp);
ff1d2767 1146static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1da177e4 1147#endif /* CISCO_EXT */
1da177e4
LT		 1148static void micinit(struct airo_info *ai);
1149static int micsetup(struct airo_info *ai);
1150static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
41480af2
DW		 1153static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
9e75af30
DW		 1156static void airo_networks_free(struct airo_info *ai);
1157
1da177e4 1158struct airo_info {
1da177e4 1159 struct net_device *dev;
af5b5c9a 1160 struct list_head dev_list;
1da177e4
LT		 1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163#define MAX_FIDS 6
1164#define MPI_MAX_FIDS 1
9e05a2df 1165 u32 fids[MAX_FIDS];
1da177e4
LT		 1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1da177e4
LT		 1171#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173#define FLAG_RADIO_MASK 0x03
1174#define FLAG_ENABLED 2
1175#define FLAG_ADHOC 3 /* Needed by MIC */
1176#define FLAG_MIC_CAPABLE 4
1177#define FLAG_UPDATE_MULTI 5
1178#define FLAG_UPDATE_UNI 6
1179#define FLAG_802_11 7
3c304956 1180#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1da177e4
LT		 1181#define FLAG_PENDING_XMIT 9
1182#define FLAG_PENDING_XMIT11 10
1183#define FLAG_MPI 11
1184#define FLAG_REGISTERED 12
1185#define FLAG_COMMIT 13
1186#define FLAG_RESET 14
1187#define FLAG_FLASHING 15
3c304956
DW		 1188#define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190#define JOB_DIE 0
1191#define JOB_XMIT 1
1192#define JOB_XMIT11 2
1193#define JOB_STATS 3
1194#define JOB_PROMISC 4
1195#define JOB_MIC 5
1196#define JOB_EVENT 6
1197#define JOB_AUTOWEP 7
1198#define JOB_WSTATS 8
1199#define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
b8c06bc1 1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1da177e4
LT		 1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
3b4c7d64
SB		 1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1da177e4 1207 struct semaphore sem;
1da177e4 1208 wait_queue_head_t thr_wait;
1da177e4
LT		 1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1da177e4 1215 struct iw_statistics wstats; // wireless stats
9e75af30 1216 unsigned long scan_timeout; /* Time scan should be read */
1da177e4
LT		 1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1da177e4 1219 /* MIC stuff */
f12cc209 1220 struct crypto_cipher *tfm;
1da177e4
LT		 1221 mic_module mod[2];
1222 mic_statistics micstats;
1da177e4
LT		 1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1cc68ae0 1233 pm_message_t power;
1da177e4
LT		 1234 SsidRid *SSID;
1235 APListRid *APList;
1236#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
9e75af30 1238
138c0c68
DW		 1239 int wep_capable;
1240 int max_wep_idx;
1241
3c304956
DW		 1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
9e75af30
DW		 1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1da177e4
LT		 1250};
1251
b8c06bc1
AV		 1252static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254{
1da177e4
LT		 1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256}
1257
1258static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
ff1d2767
JM		 1263static int cmdreset(struct airo_info *ai);
1264static int setflashmode (struct airo_info *ai);
1265static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266static int flashputbuf(struct airo_info *ai);
1267static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
934d8bf1 1269#define airo_print(type, name, fmt, args...) \
1138c37b 1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
934d8bf1
DW		 1271
1272#define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275#define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278#define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281#define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
faf3994a 1284#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
934d8bf1 1285
1da177e4
LT		 1286/***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292static void MoveWindow(miccntx *context, u32 micSeq);
f12cc209
HX		 1293static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
ff1d2767
JM		 1295static void emmh32_init(emmh32_context *context);
1296static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1da177e4 1299
018697d1
DW		 1300static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302{
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321}
1322
1da177e4
LT		 1323/* micinit - Initialize mic seed */
1324
1325static void micinit(struct airo_info *ai)
1326{
1327 MICRid mic_rid;
1328
3c304956 1329 clear_bit(JOB_MIC, &ai->jobs);
1da177e4
LT		 1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
018697d1
DW		 1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1da177e4
LT		 1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
018697d1
DW		 1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1da177e4
LT		 1353 }
1354}
1355
1356/* micsetup - Get ready for business */
1357
1358static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
f12cc209 1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1da177e4 1363
f12cc209 1364 if (IS_ERR(ai->tfm)) {
934d8bf1 1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
f12cc209 1366 ai->tfm = NULL;
1da177e4
LT		 1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375}
1376
7a374d8e 1377static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1da177e4
LT		 1378
1379/*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396{
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428}
1429
1430typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436} mic_error;
1437
1438/*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452{
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539}
1540
1541/*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556{
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601}
1602
1603static void MoveWindow(miccntx *context, u32 micSeq)
1604{
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619}
1620
1621/*==============================================*/
1622/*========== EMMH ROUTINES ====================*/
1623/*==============================================*/
1624
1625/* mic accumulate */
1626#define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629static unsigned char aes_counter[16];
1630
1631/* expand the key to fill the MMH coefficient array */
f12cc209
HX		 1632static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1da177e4
LT		 1634{
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1da177e4
LT		 1641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
e7c04fd3 1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1da177e4
LT		 1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
f12cc209
HX		 1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
e7c04fd3 1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
593c2b9c 1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1da177e4
LT		 1655 j += 4;
1656 }
1657 }
1658}
1659
1660/* prepare for calculation of a new mic */
ff1d2767 1661static void emmh32_init(emmh32_context *context)
1da177e4
LT		 1662{
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666}
1667
1668/* add some bytes to the mic calculation */
ff1d2767 1669static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1da177e4
LT		 1670{
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
593c2b9c 1687 MIC_ACCUM(ntohl(context->part.d32));
1da177e4
LT		 1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
593c2b9c 1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1da177e4
LT		 1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705}
1706
1707/* mask used to zero empty bytes for final partial word */
1708static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710/* calculate the mic */
ff1d2767 1711static void emmh32_final(emmh32_context *context, u8 digest[4])
1da177e4
LT		 1712{
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
593c2b9c 1725 val = ntohl(context->part.d32);
1da177e4
LT		 1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742}
1da177e4
LT		 1743
1744static int readBSSListRid(struct airo_info *ai, int first,
17e70491
AV		 1745 BSSListRid *list)
1746{
3c304956
DW		 1747 Cmd cmd;
1748 Resp rsp;
1da177e4
LT		 1749
1750 if (first == 1) {
3c304956
DW		 1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
3b4c7d64 1756 ai->list_bss_task = current;
3c304956
DW		 1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
3b4c7d64
SB		 1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
3c304956 1762 }
17e70491 1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
3c304956 1764 list, ai->bssListRidLen, 1);
1da177e4
LT		 1765}
1766
4293ea33
AV		 1767static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768{
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1da177e4 1770 wkr, sizeof(*wkr), lock);
1da177e4 1771}
1da177e4 1772
4293ea33
AV		 1773static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774{
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1da177e4 1779 if (perm) {
4293ea33
AV		 1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
934d8bf1 1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1da177e4
LT		 1783 }
1784 return rc;
1785}
1786
0dd2212f
AV		 1787static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788{
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1da177e4 1790}
1da177e4 1791
0dd2212f
AV		 1792static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793{
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1da177e4 1795}
0dd2212f 1796
3eb9b41f
AV		 1797static int readConfigRid(struct airo_info *ai, int lock)
1798{
1da177e4 1799 int rc;
1da177e4
LT		 1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1da177e4
LT		 1809 ai->config = cfg;
1810 return SUCCESS;
1811}
3eb9b41f
AV		 1812
1813static inline void checkThrottle(struct airo_info *ai)
1814{
1da177e4
LT		 1815 int i;
1816/* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824}
3eb9b41f
AV		 1825
1826static int writeConfigRid(struct airo_info *ai, int lock)
1827{
1da177e4
LT		 1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
3eb9b41f 1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1da177e4
LT		 1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844}
1da177e4 1845
329e2c00
AV		 1846static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847{
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1da177e4 1849}
a749716e
AV		 1850
1851static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852{
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1da177e4 1854}
a749716e
AV		 1855
1856static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857{
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1da177e4 1859}
1da177e4 1860
56d81bd3
AV		 1861static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862{
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1da177e4 1864}
1da177e4 1865
a23ace5f
AV		 1866static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867{
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1da177e4
LT		 1869}
1870
1c2b7db8
MS		 1871static void try_auto_wep(struct airo_info *ai)
1872{
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877}
1878
1da177e4 1879static int airo_open(struct net_device *dev) {
faf3994a 1880 struct airo_info *ai = dev->ml_priv;
1c2b7db8 1881 int rc = 0;
1da177e4 1882
1c2b7db8 1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1da177e4
LT		 1884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1c2b7db8
MS		 1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1da177e4
LT		 1893 }
1894
1c2b7db8
MS		 1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
1da177e4 1912 /* Power on the MAC controller (which may have been disabled) */
1c2b7db8
MS		 1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1da177e4 1917 }
175ec1a1 1918 enable_MAC(ai, 1);
1da177e4
LT		 1919
1920 netif_start_queue(dev);
1921 return 0;
1922}
1923
d0cf9c0d
SH		 1924static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926{
1da177e4
LT		 1927 int npacks, pending;
1928 unsigned long flags;
faf3994a 1929 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 1930
1931 if (!skb) {
c94c93da 1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
6ed10654 1933 return NETDEV_TX_OK;
1da177e4
LT		 1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
5d9276da 1940 dev->stats.tx_fifo_errors++;
5b548140 1941 return NETDEV_TX_BUSY;
1da177e4
LT		 1942 }
1943 skb_queue_tail (&ai->txq, skb);
6ed10654 1944 return NETDEV_TX_OK;
1da177e4
LT		 1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
6ed10654 1957 return NETDEV_TX_OK;
1da177e4
LT		 1958}
1959
1960/*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967static int mpi_send_packet (struct net_device *dev)
1968{
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
593c2b9c
AV		 1971 s16 len;
1972 __le16 *payloadLen;
faf3994a 1973 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
79ea13ce 1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
934d8bf1
DW		 1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
c94c93da 1981 __func__);
1da177e4
LT		 1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994/*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
593c2b9c 2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1da177e4
LT		 2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
1da177e4 2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
1da177e4
LT		 2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
a39d3e79 2030 } else {
1da177e4
LT		 2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046}
2047
29b09fcc 2048static void get_tx_error(struct airo_info *ai, s32 fid)
1da177e4 2049{
593c2b9c 2050 __le16 status;
1da177e4
LT		 2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
5d9276da 2060 ai->dev->stats.tx_aborted_errors++;
1da177e4 2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
5d9276da 2062 ai->dev->stats.tx_heartbeat_errors++;
1da177e4
LT		 2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
5d9276da 2066 ai->dev->stats.tx_carrier_errors++;
1da177e4
LT		 2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
b8c06bc1 2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
1da177e4
LT		 2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097}
2098
2099static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
faf3994a 2102 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
3c304956 2107 clear_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
5d9276da 2118 dev->stats.tx_window_errors++;
1da177e4
LT		 2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123}
2124
d0cf9c0d
SH		 2125static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127{
1da177e4
LT		 2128 s16 len;
2129 int i, j;
faf3994a 2130 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
c94c93da 2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2135 return NETDEV_TX_OK;
1da177e4
LT		 2136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
5d9276da 2146 dev->stats.tx_fifo_errors++;
5b548140 2147 return NETDEV_TX_BUSY;
1da177e4
LT		 2148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
3c304956 2159 set_bit(JOB_XMIT, &priv->jobs);
1da177e4
LT		 2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
6ed10654 2163 return NETDEV_TX_OK;
1da177e4
LT		 2164}
2165
2166static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
faf3994a 2169 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
3c304956 2174 clear_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
5d9276da 2185 dev->stats.tx_window_errors++;
1da177e4
LT		 2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190}
2191
d0cf9c0d
SH		 2192static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194{
1da177e4
LT		 2195 s16 len;
2196 int i, j;
faf3994a 2197 struct airo_info *priv = dev->ml_priv;
1da177e4
LT		 2198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
4153e775
PM		 2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
1da177e4
LT		 2205 }
2206
2207 if ( skb == NULL ) {
c94c93da 2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
6ed10654 2209 return NETDEV_TX_OK;
1da177e4
LT		 2210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
5d9276da 2220 dev->stats.tx_fifo_errors++;
5b548140 2221 return NETDEV_TX_BUSY;
1da177e4
LT		 2222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
3c304956 2233 set_bit(JOB_XMIT11, &priv->jobs);
1da177e4
LT		 2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
6ed10654 2237 return NETDEV_TX_OK;
1da177e4
LT		 2238}
2239
5d9276da 2240static void airo_read_stats(struct net_device *dev)
a23ace5f 2241{
faf3994a 2242 struct airo_info *ai = dev->ml_priv;
1da177e4 2243 StatsRid stats_rid;
a23ace5f 2244 __le32 *vals = stats_rid.vals;
1da177e4 2245
3c304956 2246 clear_bit(JOB_STATS, &ai->jobs);
ca078bae 2247 if (ai->power.event) {
1da177e4
LT		 2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
5d9276da 2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
a23ace5f 2255 le32_to_cpu(vals[45]);
5d9276da 2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
a23ace5f 2257 le32_to_cpu(vals[41]);
5d9276da
PZ		 2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
a23ace5f 2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
5d9276da
PZ		 2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
1da177e4
LT		 2266
2267 /* detailed rx_errors: */
5d9276da
PZ		 2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
1da177e4
LT		 2272}
2273
ff1d2767 2274static struct net_device_stats *airo_get_stats(struct net_device *dev)
1da177e4 2275{
faf3994a 2276 struct airo_info *local = dev->ml_priv;
1da177e4 2277
3c304956 2278 if (!test_bit(JOB_STATS, &local->jobs)) {
1da177e4
LT		 2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
3c304956 2281 set_bit(JOB_STATS, &local->jobs);
1da177e4
LT		 2282 wake_up_interruptible(&local->thr_wait);
2283 } else
5d9276da 2284 airo_read_stats(dev);
1da177e4
LT		 2285 }
2286
5d9276da 2287 return &dev->stats;
1da177e4
LT		 2288}
2289
2290static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
3c304956 2296 clear_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300}
2301
2302static void airo_set_multicast_list(struct net_device *dev) {
faf3994a 2303 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
3c304956 2308 set_bit(JOB_PROMISC, &ai->jobs);
1da177e4
LT		 2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
4cd24eaf 2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
1da177e4
LT		 2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317}
2318
2319static int airo_set_mac_address(struct net_device *dev, void *p)
2320{
faf3994a 2321 struct airo_info *ai = dev->ml_priv;
1da177e4 2322 struct sockaddr *addr = p;
1da177e4
LT		 2323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
175ec1a1 2329 enable_MAC(ai, 1);
1da177e4
LT		 2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334}
2335
2336static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337{
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342}
2343
af5b5c9a
MS		 2344static LIST_HEAD(airo_devices);
2345
2346static void add_airo_dev(struct airo_info *ai)
2347{
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352}
2353
2354static void del_airo_dev(struct airo_info *ai)
2355{
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358}
1da177e4
LT		 2359
2360static int airo_close(struct net_device *dev) {
faf3994a 2361 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366#ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374#endif
2375 disable_interrupts( ai );
1c2b7db8
MS		 2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
1da177e4
LT		 2381 }
2382 return 0;
2383}
2384
1da177e4
LT		 2385void stop_airo_card( struct net_device *dev, int freeres )
2386{
faf3994a 2387 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
1da177e4
LT		 2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
1da177e4
LT		 2402 /*
2403 * Clean out tx queue
2404 */
b03efcfb 2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
1da177e4
LT		 2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
9e75af30
DW		 2411 airo_networks_free (ai);
2412
b4558ea9
JJ		 2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
1da177e4
LT		 2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
f12cc209 2431 crypto_free_cipher(ai->tfm);
af5b5c9a 2432 del_airo_dev(ai);
1da177e4
LT		 2433 free_netdev( dev );
2434}
2435
2436EXPORT_SYMBOL(stop_airo_card);
2437
b95cce35 2438static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
1da177e4 2439{
98e399f8 2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
1da177e4
LT		 2441 return ETH_ALEN;
2442}
2443
2444static void mpi_unmap_card(struct pci_dev *pci)
2445{
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453}
2454
2455/*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462static int mpi_init_descriptors (struct airo_info *ai)
2463{
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
934d8bf1 2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
1da177e4
LT		 2482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
934d8bf1 2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
1da177e4
LT		 2510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
934d8bf1 2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
1da177e4
LT		 2524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531}
2532
2533/*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
1138c37b 2539static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
1da177e4
LT		 2540{
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2759c8d5
JG		 2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
1da177e4
LT		 2546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
1138c37b
MS		 2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
1da177e4
LT		 2556 goto out;
2557 }
1138c37b
MS		 2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
1da177e4
LT		 2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
1138c37b
MS		 2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
1da177e4
LT		 2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
1138c37b
MS		 2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
1da177e4
LT		 2574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
1138c37b
MS		 2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
1da177e4
LT		 2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2759c8d5 2588 busaddroff = ai->shared_dma;
1da177e4
LT		 2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2759c8d5 2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
1da177e4
LT		 2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2759c8d5 2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
1da177e4
LT		 2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2759c8d5
JG		 2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
1da177e4
LT		 2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651}
2652
3b04ddde
SH		 2653static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655};
2656
7ae41cc3
SH		 2657static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665};
2666
1da177e4
LT		 2667static void wifi_setup(struct net_device *dev)
2668{
7ae41cc3 2669 dev->netdev_ops = &airo11_netdev_ops;
3b04ddde 2670 dev->header_ops = &airo_header_ops;
1da177e4 2671 dev->wireless_handlers = &airo_handler_def;
1da177e4
LT		 2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
15db2763 2675 dev->mtu = AIRO_DEF_MTU;
1da177e4
LT		 2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682}
2683
2684static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686{
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
faf3994a 2691 dev->ml_priv = ethdev->ml_priv;
1da177e4
LT		 2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
1da177e4 2694 dev->wireless_data = ethdev->wireless_data;
229ce3ab 2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
1da177e4
LT		 2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703}
2704
ff1d2767 2705static int reset_card( struct net_device *dev , int lock) {
faf3994a 2706 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718}
2719
3c304956 2720#define AIRO_MAX_NETWORK_COUNT 64
9e75af30
DW		 2721static int airo_networks_allocate(struct airo_info *ai)
2722{
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks =
3c304956 2727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
9e75af30
DW		 2728 GFP_KERNEL);
2729 if (!ai->networks) {
1138c37b 2730 airo_print_warn("", "Out of memory allocating beacons");
9e75af30
DW		 2731 return -ENOMEM;
2732 }
2733
2734 return 0;
2735}
2736
2737static void airo_networks_free(struct airo_info *ai)
2738{
9e75af30
DW		 2739 kfree(ai->networks);
2740 ai->networks = NULL;
2741}
2742
2743static void airo_networks_initialize(struct airo_info *ai)
2744{
2745 int i;
2746
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
3c304956 2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
9e75af30
DW		 2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2752}
2753
7ae41cc3
SH		 2754static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH		 2763 .ndo_validate_addr = eth_validate_addr,
2764};
2765
2766static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
7ae41cc3
SH		 2775 .ndo_validate_addr = eth_validate_addr,
2776};
2777
2778
ff1d2767
JM		 2779static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
1da177e4
LT		 2782{
2783 struct net_device *dev;
2784 struct airo_info *ai;
2785 int i, rc;
f65b56d6 2786 CapabilityRid cap_rid;
1da177e4
LT		 2787
2788 /* Create the network device object. */
1138c37b
MS		 2789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 if (!dev) {
934d8bf1 2791 airo_print_err("", "Couldn't alloc_etherdev");
1da177e4 2792 return NULL;
1da177e4
LT		 2793 }
2794
faf3994a 2795 ai = dev->ml_priv = netdev_priv(dev);
1da177e4 2796 ai->wifidev = NULL;
fb038c27 2797 ai->flags = 1 << FLAG_RADIO_DOWN;
3c304956 2798 ai->jobs = 0;
934d8bf1 2799 ai->dev = dev;
1da177e4 2800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
1138c37b 2801 airo_print_dbg("", "Found an MPI350 card");
1da177e4
LT		 2802 set_bit(FLAG_MPI, &ai->flags);
2803 }
1da177e4
LT		 2804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2806 ai->config.len = 0;
2807 ai->pci = pci;
2808 init_waitqueue_head (&ai->thr_wait);
1da177e4 2809 ai->tfm = NULL;
af5b5c9a 2810 add_airo_dev(ai);
1da177e4 2811
9e75af30 2812 if (airo_networks_allocate (ai))
1c2b7db8 2813 goto err_out_free;
9e75af30
DW		 2814 airo_networks_initialize (ai);
2815
7ae41cc3
SH		 2816 skb_queue_head_init (&ai->txq);
2817
1da177e4 2818 /* The Airo-specific entries in the device structure. */
7ae41cc3
SH		 2819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2821 else
2822 dev->netdev_ops = &airo_netdev_ops;
1da177e4
LT		 2823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
1da177e4
LT		 2826 dev->irq = irq;
2827 dev->base_addr = port;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
1d97f384
MC		 2831 reset_card (dev, 1);
2832 msleep(400);
1da177e4 2833
1da177e4 2834 if (!is_pcmcia) {
1138c37b 2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
1da177e4 2836 rc = -EBUSY;
934d8bf1 2837 airo_print_err(dev->name, "Couldn't request region");
1c2b7db8 2838 goto err_out_nets;
1da177e4
LT		 2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
1138c37b
MS		 2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
1da177e4
LT		 2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
f65b56d6 2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
934d8bf1 2851 airo_print_err(dev->name, "MAC could not be enabled" );
1da177e4
LT		 2852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
f65b56d6
DW		 2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2869
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
138c0c68
DW		 2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
f65b56d6 2878
f3a981ff 2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
f65b56d6
DW		 2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
3c304956 2884 /* Test for WPA support */
f65b56d6
DW		 2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
3c304956
DW		 2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
f65b56d6
DW		 2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
3c304956
DW		 2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
1da177e4 2904 set_bit(FLAG_REGISTERED,&ai->flags);
e174961c 2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4 2911
faf3994a 2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
431aca5a
FM		 2913 goto err_out_wifi;
2914
1da177e4
LT		 2915 return dev;
2916
431aca5a
FM		 2917err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920err_out_reg:
2921 unregister_netdev(dev);
1da177e4
LT		 2922err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
4d881901
MS		 2932err_out_nets:
2933 airo_networks_free(ai);
1da177e4 2934err_out_free:
ff4bf917 2935 del_airo_dev(ai);
1da177e4
LT		 2936 free_netdev(dev);
2937 return NULL;
2938}
2939
2940struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942{
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944}
2945
2946EXPORT_SYMBOL(init_airo_card);
2947
2948static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
b212f337 2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
1da177e4
LT		 2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956}
2957
2958int reset_airo_card( struct net_device *dev )
2959{
2960 int i;
faf3994a 2961 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
934d8bf1 2967 airo_print_err(dev->name, "MAC could not be enabled");
1da177e4
LT		 2968 return -1;
2969 }
e174961c 2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
1da177e4
LT		 2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
15db2763 2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
1da177e4
LT		 2975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979}
2980
2981EXPORT_SYMBOL(reset_airo_card);
2982
2983static void airo_send_event(struct net_device *dev) {
faf3994a 2984 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
3c304956 2988 clear_bit(JOB_EVENT, &ai->jobs);
1da177e4
LT		 2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998}
2999
9e75af30
DW		 3000static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3c304956 3002 BSSListRid bss;
9e75af30
DW		 3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
3c304956 3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
17e70491 3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
9e75af30
DW		 3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
17e70491 3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
9e75af30
DW		 3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
3c304956 3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
9e75af30
DW		 3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3c304956
DW		 3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
9e75af30
DW		 3040 }
3041
3042out:
3043 ai->scan_timeout = 0;
3c304956 3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057}
3058
1da177e4
LT		 3059static int airo_thread(void *data) {
3060 struct net_device *dev = data;
faf3994a 3061 struct airo_info *ai = dev->ml_priv;
1da177e4 3062 int locked;
83144186
RW		 3063
3064 set_freezable();
1da177e4 3065 while(1) {
1da177e4 3066 /* make swsusp happy with our thread */
3e1d1d28 3067 try_to_freeze();
1da177e4 3068
3c304956 3069 if (test_bit(JOB_DIE, &ai->jobs))
1da177e4
LT		 3070 break;
3071
3c304956 3072 if (ai->jobs) {
1da177e4
LT		 3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3c304956 3081 if (ai->jobs)
1da177e4 3082 break;
9e75af30
DW		 3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3c304956 3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
9e75af30
DW		 3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3c304956 3090 set_bit(JOB_AUTOWEP, &ai->jobs);
1da177e4
LT		 3091 break;
3092 }
5bb85f18
DK		 3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
9e75af30
DW		 3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
1da177e4
LT		 3104 continue;
3105 }
5bb85f18
DK		 3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
1da177e4
LT		 3108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
3c304956 3121 if (test_bit(JOB_DIE, &ai->jobs)) {
1da177e4
LT		 3122 up(&ai->sem);
3123 break;
3124 }
3125
ca078bae 3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
1da177e4
LT		 3127 up(&ai->sem);
3128 continue;
3129 }
3130
3c304956 3131 if (test_bit(JOB_XMIT, &ai->jobs))
1da177e4 3132 airo_end_xmit(dev);
3c304956 3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
1da177e4 3134 airo_end_xmit11(dev);
3c304956 3135 else if (test_bit(JOB_STATS, &ai->jobs))
5d9276da 3136 airo_read_stats(dev);
3c304956 3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
1da177e4 3138 airo_read_wireless_stats(ai);
3c304956 3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
1da177e4 3140 airo_set_promisc(ai);
3c304956 3141 else if (test_bit(JOB_MIC, &ai->jobs))
1da177e4 3142 micinit(ai);
3c304956 3143 else if (test_bit(JOB_EVENT, &ai->jobs))
1da177e4 3144 airo_send_event(dev);
3c304956 3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
1da177e4 3146 timer_func(dev);
3c304956 3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
9e75af30
DW		 3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
1da177e4 3151 }
3b4c7d64
SB		 3152
3153 return 0;
1da177e4
LT		 3154}
3155
0300b332
AV		 3156static int header_len(__le16 ctl)
3157{
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169}
3170
f55d4517 3171static void airo_handle_cisco_mic(struct airo_info *ai)
28fc1f5a 3172{
f55d4517
DW		 3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177}
3178
3179/* Airo Status codes */
3180#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189#define STAT_ASSOC 0x0400 /* Associated */
3190#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192static void airo_print_status(const char *devname, u16 status)
3193{
3194 u8 reason = status & 0xFF;
3195
3bc819e8 3196 switch (status & 0xFF00) {
f55d4517 3197 case STAT_NOBEACON:
3bc819e8
MC		 3198 switch (status) {
3199 case STAT_NOBEACON:
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3201 break;
3202 case STAT_MAXRETRIES:
3203 case STAT_MAXARL:
3204 airo_print_dbg(devname, "link lost (max retries)");
3205 break;
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3208 break;
3209 case STAT_TSFSYNC:
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3211 break;
3212 default:
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3214 break;
3215 }
f55d4517
DW		 3216 break;
3217 case STAT_DEAUTH:
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3219 break;
3220 case STAT_DISASSOC:
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 break;
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3225 reason);
3226 break;
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3229 reason);
3230 break;
3bc819e8
MC		 3231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
f55d4517 3234 default:
3bc819e8 3235 airo_print_dbg(devname, "unknow status %x\n", status);
f55d4517
DW		 3236 break;
3237 }
3238}
3239
3240static void airo_handle_link(struct airo_info *ai)
3241{
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
1da177e4 3244 u16 status;
f55d4517
DW		 3245
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3249
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3251 scan_forceloss = 1;
3252
3253 airo_print_status(ai->dev->name, status);
3254
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3256 if (auto_wep)
3257 ai->expires = 0;
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3266 } else
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3278 }
3279}
3280
3281static void airo_handle_rx(struct airo_info *ai)
3282{
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3286 struct rx_hdr hdr;
3287 int success = 0;
3288
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3292 else
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3295 return;
3296 }
3297
3298 fid = IN4500(ai, RXFID);
3299
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3306 hdr.len = 0;
3307 if (ai->wifidev == NULL)
3308 hdr.len = 0;
3309 } else {
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3312 }
3313 len = le16_to_cpu(hdr.len);
3314
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3317 goto done;
3318 }
3319 if (len == 0)
3320 goto done;
3321
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3325 } else
3326 hdrlen = ETH_ALEN * 2;
3327
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 if (!skb) {
3330 ai->dev->stats.rx_dropped++;
3331 goto done;
3332 }
3333
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 buffer[0] = fc;
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 if (hdrlen == 24)
3340 bap_read(ai, tmpbuf, 6, BAP0);
3341
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3344 if (gap) {
3345 if (gap <= 8) {
3346 bap_read(ai, tmpbuf, gap, BAP0);
3347 } else {
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3350 }
3351 }
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3353 } else {
3354 MICBuffer micbuf;
3355
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3361 else {
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3364 goto done;
3365 }
3366
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3369 }
3370 }
3371
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3375 else
3376 success = 1;
3377 }
3378
3379#ifdef WIRELESS_SPY
3380 if (success && (ai->spy_data.spy_number > 0)) {
3381 char *sa;
3382 struct iw_quality wstats;
3383
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 } else
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3392 if (ai->rssi)
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 else
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3399 | IW_QUAL_DBM;
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3402 }
3403#endif /* WIRELESS_SPY */
3404
3405done:
3406 OUT4500(ai, EVACK, EV_RX);
3407
3408 if (success) {
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3414 } else
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 netif_rx(skb);
3419 }
3420}
3421
3422static void airo_handle_tx(struct airo_info *ai, u16 status)
3423{
3424 int i, len = 0, index = -1;
1da177e4 3425 u16 fid;
f55d4517
DW		 3426
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3429
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3432
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3437 } else {
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3441 }
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3443 return;
3444 }
3445
3446 fid = IN4500(ai, TXCOMPLFID);
3447
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3451 index = i;
3452 }
3453 }
3454
3455 if (index != -1) {
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3458
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3466 } else {
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3469 }
3470 } else {
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3473 }
3474}
3475
3476static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477{
3478 struct net_device *dev = dev_id;
3479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 3481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
f55d4517
DW		 3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
1da177e4
LT		 3490
3491 handled = 1;
3492
f55d4517
DW		 3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
1da177e4
LT		 3496 }
3497
3498 if (!savedInterrupts) {
f55d4517
DW		 3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
1da177e4
LT		 3501 }
3502
f55d4517
DW		 3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
1da177e4 3506 }
1da177e4 3507
f55d4517
DW		 3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
1da177e4
LT		 3511 }
3512
3513 /* Check to see if there is something to receive */
f55d4517
DW		 3514 if (status & EV_RX)
3515 airo_handle_rx(ai);
1da177e4
LT		 3516
3517 /* Check to see if a packet has been transmitted */
f55d4517
DW		 3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
1da177e4 3520
f55d4517
DW		 3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
1da177e4 3523 status & ~STATUS_INTS & ~IGNORE_INTS );
f55d4517 3524 }
1da177e4
LT		 3525 }
3526
3527 if (savedInterrupts)
f55d4517 3528 OUT4500(ai, EVINTEN, savedInterrupts);
1da177e4 3529
1da177e4
LT		 3530 return IRQ_RETVAL(handled);
3531}
3532
3533/*
3534 * Routines to talk to the card
3535 */
3536
3537/*
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3541 */
3542static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3544 reg <<= 1;
3545 if ( !do8bitIO )
3546 outw( val, ai->dev->base_addr + reg );
3547 else {
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3550 }
3551}
3552
3553static u16 IN4500( struct airo_info *ai, u16 reg ) {
3554 unsigned short rc;
3555
3556 if (test_bit(FLAG_MPI,&ai->flags))
3557 reg <<= 1;
3558 if ( !do8bitIO )
3559 rc = inw( ai->dev->base_addr + reg );
3560 else {
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3563 }
3564 return rc;
3565}
3566
175ec1a1
MS		 3567static int enable_MAC(struct airo_info *ai, int lock)
3568{
1da177e4 3569 int rc;
175ec1a1
MS		 3570 Cmd cmd;
3571 Resp rsp;
1da177e4
LT		 3572
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3583
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
175ec1a1 3587 rc = issuecommand(ai, &cmd, &rsp);
1da177e4
LT		 3588 if (rc == SUCCESS)
3589 set_bit(FLAG_ENABLED, &ai->flags);
3590 } else
3591 rc = SUCCESS;
3592
3593 if (lock)
3594 up(&ai->sem);
3595
3596 if (rc)
175ec1a1
MS		 3597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3601 rc = ERROR;
3602 }
1da177e4
LT		 3603 return rc;
3604}
3605
3606static void disable_MAC( struct airo_info *ai, int lock ) {
3607 Cmd cmd;
3608 Resp rsp;
3609
3610 if (lock && down_interruptible(&ai->sem))
3611 return;
3612
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3618 }
3619 if (lock)
3620 up(&ai->sem);
3621}
3622
3623static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3626}
3627
3628static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3630}
3631
3632static void mpi_receive_802_3(struct airo_info *ai)
3633{
3634 RxFid rxd;
3635 int len = 0;
3636 struct sk_buff *skb;
3637 char *buffer;
1da177e4
LT		 3638 int off = 0;
3639 MICBuffer micbuf;
1da177e4
LT		 3640
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3644 len = rxd.len + 12;
3645 if (len < 12 || len > 2048)
3646 goto badrx;
3647
3648 skb = dev_alloc_skb(len);
3649 if (!skb) {
5d9276da 3650 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
1da177e4
LT		 3654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3656 memcpy(&micbuf,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 sizeof(micbuf));
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3661 goto badmic;
3662
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3665 }
3666 }
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671badmic:
3672 dev_kfree_skb_irq (skb);
3673 goto badrx;
3674 }
1da177e4
LT		 3675#ifdef WIRELESS_SPY
3676 if (ai->spy_data.spy_number > 0) {
3677 char *sa;
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3682 wstats.level = 0;
3683 wstats.updated = 0;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687#endif /* WIRELESS_SPY */
3688
1da177e4
LT		 3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
1da177e4
LT		 3691 netif_rx(skb);
3692 }
3693badrx:
3694 if (rxd.valid == 0) {
3695 rxd.valid = 1;
3696 rxd.rdy = 0;
3697 rxd.len = PKTSIZE;
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3699 }
3700}
3701
2ed5ba89 3702static void mpi_receive_802_11(struct airo_info *ai)
1da177e4
LT		 3703{
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
0300b332
AV		 3706 u16 len, hdrlen = 0;
3707 __le16 fc;
f55d4517 3708 struct rx_hdr hdr;
1da177e4
LT		 3709 u16 gap;
3710 u16 *buffer;
f55d4517 3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
1da177e4
LT		 3712
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 ptr += sizeof(hdr);
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3718 hdr.len = 0;
3719 if (ai->wifidev == NULL)
3720 hdr.len = 0;
3721 len = le16_to_cpu(hdr.len);
15db2763 3722 if (len > AIRO_DEF_MTU) {
934d8bf1 3723 airo_print_err(ai->dev->name, "Bad size %d", len);
1da177e4
LT		 3724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
0300b332
AV		 3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
1da177e4
LT		 3731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
5d9276da 3734 ai->dev->stats.rx_dropped++;
1da177e4
LT		 3735 goto badrx;
3736 }
3737 buffer = (u16*)skb_put (skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3739 ptr += hdrlen;
3740 if (hdrlen == 24)
3741 ptr += 6;
533dd1b0 3742 gap = get_unaligned_le16(ptr);
593c2b9c 3743 ptr += sizeof(__le16);
1da177e4
LT		 3744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
934d8bf1
DW		 3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
1da177e4
LT		 3750 }
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 ptr += len;
3753#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3755 char *sa;
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3760 if (ai->rssi)
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 else
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
41480af2
DW		 3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
ce6623c3 3767 | IW_QUAL_DBM;
1da177e4
LT		 3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771#endif /* IW_WIRELESS_SPY */
459a98ed 3772 skb_reset_mac_header(skb);
1da177e4
LT		 3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
1da177e4
LT		 3776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
f55d4517 3778
1da177e4
LT		 3779badrx:
3780 if (rxd.valid == 0) {
3781 rxd.valid = 1;
3782 rxd.rdy = 0;
3783 rxd.len = PKTSIZE;
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 }
3786}
3787
3788static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3789{
3790 Cmd cmd;
3791 Resp rsp;
3792 int status;
1da177e4 3793 SsidRid mySsid;
4293ea33 3794 __le16 lastindex;
1da177e4
LT		 3795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
b4558ea9
JJ		 3799 kfree (ai->flash);
3800 ai->flash = NULL;
1da177e4
LT		 3801
3802 /* The NOP is the first step in getting the card going */
3803 cmd.cmd = NOP;
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3806 return ERROR;
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3808 if (lock)
3809 up(&ai->sem);
3810 return ERROR;
3811 }
3812 disable_MAC( ai, 0);
3813
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 if (lock)
3819 up(&ai->sem);
934d8bf1 3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
1da177e4
LT		 3821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
934d8bf1 3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
1da177e4
LT		 3826 } else {
3827 ai->bap_read = aux_bap_read;
934d8bf1 3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
1da177e4
LT		 3829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
49c4a5dc 3834 int i;
1da177e4
LT		 3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
b4558ea9
JJ		 3838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
1da177e4
LT		 3842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3848
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
41480af2 3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
1da177e4
LT		 3853 }
3854 else {
b4558ea9
JJ		 3855 kfree(ai->rssi);
3856 ai->rssi = NULL;
56d81bd3 3857 if (cap_rid.softCap & cpu_to_le16(8))
1da177e4
LT		 3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
934d8bf1
DW		 3860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
1da177e4
LT		 3862 }
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3866
56d81bd3 3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
15617858 3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
56d81bd3 3869 micsetup(ai) == SUCCESS) {
1da177e4
LT		 3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
1da177e4
LT		 3873
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3877 }
3878
3879 /* Check to see if there are any insmod configured
3880 rates to add */
3881 if ( rates[0] ) {
1da177e4
LT		 3882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3885 }
3886 }
3887 if ( basic_rate > 0 ) {
1da177e4
LT		 3888 for( i = 0; i < 8; i++ ) {
3889 if ( ai->config.rates[i] == basic_rate ||
3890 !ai->config.rates ) {
3891 ai->config.rates[i] = basic_rate | 0x80;
3892 break;
3893 }
3894 }
3895 }
3896 set_bit (FLAG_COMMIT, &ai->flags);
3897 }
3898
3899 /* Setup the SSIDs if present */
3900 if ( ssids[0] ) {
3901 int i;
3902 for( i = 0; i < 3 && ssids[i]; i++ ) {
0dd2212f
AV		 3903 size_t len = strlen(ssids[i]);
3904 if (len > 32)
3905 len = 32;
3906 mySsid.ssids[i].len = cpu_to_le16(len);
3907 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
1da177e4 3908 }
0dd2212f 3909 mySsid.len = cpu_to_le16(sizeof(mySsid));
1da177e4
LT		 3910 }
3911
3912 status = writeConfigRid(ai, lock);
3913 if ( status != SUCCESS ) return ERROR;
3914
3915 /* Set up the SSID list */
3916 if ( ssids[0] ) {
3917 status = writeSsidRid(ai, &mySsid, lock);
3918 if ( status != SUCCESS ) return ERROR;
3919 }
3920
175ec1a1
MS		 3921 status = enable_MAC(ai, lock);
3922 if (status != SUCCESS)
1da177e4 3923 return ERROR;
1da177e4
LT		 3924
3925 /* Grab the initial wep key, we gotta save it for auto_wep */
3926 rc = readWepKeyRid(ai, &wkr, 1, lock);
3927 if (rc == SUCCESS) do {
3928 lastindex = wkr.kindex;
4293ea33 3929 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 3930 ai->defindex = wkr.mac[0];
3931 }
3932 rc = readWepKeyRid(ai, &wkr, 0, lock);
3933 } while(lastindex != wkr.kindex);
3934
1c2b7db8 3935 try_auto_wep(ai);
1da177e4
LT		 3936
3937 return SUCCESS;
3938}
3939
3940static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3941 // Im really paranoid about letting it run forever!
3942 int max_tries = 600000;
3943
3944 if (IN4500(ai, EVSTAT) & EV_CMD)
3945 OUT4500(ai, EVACK, EV_CMD);
3946
3947 OUT4500(ai, PARAM0, pCmd->parm0);
3948 OUT4500(ai, PARAM1, pCmd->parm1);
3949 OUT4500(ai, PARAM2, pCmd->parm2);
3950 OUT4500(ai, COMMAND, pCmd->cmd);
3951
3952 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3953 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3954 // PC4500 didn't notice command, try again
3955 OUT4500(ai, COMMAND, pCmd->cmd);
3956 if (!in_atomic() && (max_tries & 255) == 0)
3957 schedule();
3958 }
3959
3960 if ( max_tries == -1 ) {
934d8bf1
DW		 3961 airo_print_err(ai->dev->name,
3962 "Max tries exceeded when issueing command");
1da177e4
LT		 3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 return ERROR;
3966 }
3967
3968 // command completed
3969 pRsp->status = IN4500(ai, STATUS);
3970 pRsp->rsp0 = IN4500(ai, RESP0);
3971 pRsp->rsp1 = IN4500(ai, RESP1);
3972 pRsp->rsp2 = IN4500(ai, RESP2);
13dca9b8
RS		 3973 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3974 airo_print_err(ai->dev->name,
3975 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3976 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3977 pRsp->rsp2);
1da177e4
LT		 3978
3979 // clear stuck command busy if necessary
3980 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3981 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 }
3983 // acknowledge processing the status/response
3984 OUT4500(ai, EVACK, EV_CMD);
3985
3986 return SUCCESS;
3987}
3988
3989/* Sets up the bap to start exchange data. whichbap should
3990 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 * calling! */
3992static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3993{
3994 int timeout = 50;
3995 int max_tries = 3;
3996
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
3999 while (1) {
4000 int status = IN4500(ai, OFFSET0+whichbap);
4001 if (status & BAP_BUSY) {
4002 /* This isn't really a timeout, but its kinda
4003 close */
4004 if (timeout--) {
4005 continue;
4006 }
4007 } else if ( status & BAP_ERR ) {
4008 /* invalid rid or offset */
934d8bf1 4009 airo_print_err(ai->dev->name, "BAP error %x %d",
1da177e4
LT		 4010 status, whichbap );
4011 return ERROR;
4012 } else if (status & BAP_DONE) { // success
4013 return SUCCESS;
4014 }
4015 if ( !(max_tries--) ) {
934d8bf1 4016 airo_print_err(ai->dev->name,
1138c37b 4017 "BAP setup error too many retries\n");
1da177e4
LT		 4018 return ERROR;
4019 }
4020 // -- PC4500 missed it, try again
4021 OUT4500(ai, SELECT0+whichbap, rid);
4022 OUT4500(ai, OFFSET0+whichbap, offset);
4023 timeout = 50;
4024 }
4025}
4026
4027/* should only be called by aux_bap_read. This aux function and the
4028 following use concepts not documented in the developers guide. I
4029 got them from a patch given to my by Aironet */
4030static u16 aux_setup(struct airo_info *ai, u16 page,
4031 u16 offset, u16 *len)
4032{
4033 u16 next;
4034
4035 OUT4500(ai, AUXPAGE, page);
4036 OUT4500(ai, AUXOFF, 0);
4037 next = IN4500(ai, AUXDATA);
4038 *len = IN4500(ai, AUXDATA)&0xff;
4039 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4040 return next;
4041}
4042
4043/* requires call to bap_setup() first */
b8c06bc1 4044static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4045 int bytelen, int whichbap)
4046{
4047 u16 len;
4048 u16 page;
4049 u16 offset;
4050 u16 next;
4051 int words;
4052 int i;
4053 unsigned long flags;
4054
4055 spin_lock_irqsave(&ai->aux_lock, flags);
4056 page = IN4500(ai, SWS0+whichbap);
4057 offset = IN4500(ai, SWS2+whichbap);
4058 next = aux_setup(ai, page, offset, &len);
4059 words = (bytelen+1)>>1;
4060
4061 for (i=0; i<words;) {
4062 int count;
4063 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 if ( !do8bitIO )
4065 insw( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i,count );
4067 else
4068 insb( ai->dev->base_addr+DATA0+whichbap,
4069 pu16Dst+i, count << 1 );
4070 i += count;
4071 if (i<words) {
4072 next = aux_setup(ai, next, 4, &len);
4073 }
4074 }
4075 spin_unlock_irqrestore(&ai->aux_lock, flags);
4076 return SUCCESS;
4077}
4078
4079
4080/* requires call to bap_setup() first */
b8c06bc1 4081static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
1da177e4
LT		 4082 int bytelen, int whichbap)
4083{
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 else
4088 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4089 return SUCCESS;
4090}
4091
4092/* requires call to bap_setup() first */
b8c06bc1 4093static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
1da177e4
LT		 4094 int bytelen, int whichbap)
4095{
4096 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 if ( !do8bitIO )
4098 outsw( ai->dev->base_addr+DATA0+whichbap,
4099 pu16Src, bytelen>>1 );
4100 else
4101 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4102 return SUCCESS;
4103}
4104
4105static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106{
4107 Cmd cmd; /* for issuing commands */
4108 Resp rsp; /* response from commands */
4109 u16 status;
4110
4111 memset(&cmd, 0, sizeof(cmd));
4112 cmd.cmd = accmd;
4113 cmd.parm0 = rid;
4114 status = issuecommand(ai, &cmd, &rsp);
4115 if (status != 0) return status;
4116 if ( (rsp.status & 0x7F00) != 0) {
4117 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4118 }
4119 return 0;
4120}
4121
4122/* Note, that we are using BAP1 which is also used by transmit, so
4123 * we must get a lock. */
4124static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4125{
4126 u16 status;
4127 int rc = SUCCESS;
4128
4129 if (lock) {
4130 if (down_interruptible(&ai->sem))
4131 return ERROR;
4132 }
4133 if (test_bit(FLAG_MPI,&ai->flags)) {
4134 Cmd cmd;
4135 Resp rsp;
4136
4137 memset(&cmd, 0, sizeof(cmd));
4138 memset(&rsp, 0, sizeof(rsp));
4139 ai->config_desc.rid_desc.valid = 1;
4140 ai->config_desc.rid_desc.len = RIDSIZE;
4141 ai->config_desc.rid_desc.rid = 0;
4142 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143
4144 cmd.cmd = CMD_ACCESS;
4145 cmd.parm0 = rid;
4146
4147 memcpy_toio(ai->config_desc.card_ram_off,
4148 &ai->config_desc.rid_desc, sizeof(Rid));
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151
4152 if (rsp.status & 0x7f00)
4153 rc = rsp.rsp0;
4154 if (!rc)
4155 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4156 goto done;
4157 } else {
4158 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4159 rc = status;
4160 goto done;
4161 }
4162 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read the rid length field
4167 bap_read(ai, pBuf, 2, BAP1);
4168 // length for remaining part of rid
593c2b9c 4169 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
1da177e4
LT		 4170
4171 if ( len <= 2 ) {
934d8bf1
DW		 4172 airo_print_err(ai->dev->name,
4173 "Rid %x has a length of %d which is too short",
1da177e4
LT		 4174 (int)rid, (int)len );
4175 rc = ERROR;
4176 goto done;
4177 }
4178 // read remainder of the rid
b8c06bc1 4179 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
1da177e4
LT		 4180 }
4181done:
4182 if (lock)
4183 up(&ai->sem);
4184 return rc;
4185}
4186
4187/* Note, that we are using BAP1 which is also used by transmit, so
4188 * make sure this isnt called when a transmit is happening */
4189static int PC4500_writerid(struct airo_info *ai, u16 rid,
4190 const void *pBuf, int len, int lock)
4191{
4192 u16 status;
4193 int rc = SUCCESS;
4194
593c2b9c 4195 *(__le16*)pBuf = cpu_to_le16((u16)len);
1da177e4
LT		 4196
4197 if (lock) {
4198 if (down_interruptible(&ai->sem))
4199 return ERROR;
4200 }
4201 if (test_bit(FLAG_MPI,&ai->flags)) {
4202 Cmd cmd;
4203 Resp rsp;
4204
f89b2321 4205 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
934d8bf1
DW		 4206 airo_print_err(ai->dev->name,
4207 "%s: MAC should be disabled (rid=%04x)",
c94c93da 4208 __func__, rid);
1da177e4
LT		 4209 memset(&cmd, 0, sizeof(cmd));
4210 memset(&rsp, 0, sizeof(rsp));
4211
4212 ai->config_desc.rid_desc.valid = 1;
4213 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4214 ai->config_desc.rid_desc.rid = 0;
4215
4216 cmd.cmd = CMD_WRITERID;
4217 cmd.parm0 = rid;
4218
4219 memcpy_toio(ai->config_desc.card_ram_off,
4220 &ai->config_desc.rid_desc, sizeof(Rid));
4221
4222 if (len < 4 || len > 2047) {
c94c93da 4223 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
1da177e4
LT		 4224 rc = -1;
4225 } else {
4226 memcpy((char *)ai->config_desc.virtual_host_addr,
4227 pBuf, len);
4228
4229 rc = issuecommand(ai, &cmd, &rsp);
4230 if ((rc & 0xff00) != 0) {
934d8bf1 4231 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
c94c93da 4232 __func__, rc);
934d8bf1 4233 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
c94c93da 4234 __func__, cmd.cmd);
1da177e4
LT		 4235 }
4236
4237 if ((rsp.status & 0x7f00))
4238 rc = rsp.rsp0;
4239 }
4240 } else {
4241 // --- first access so that we can write the rid data
4242 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4243 rc = status;
4244 goto done;
4245 }
4246 // --- now write the rid data
4247 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4248 rc = ERROR;
4249 goto done;
4250 }
4251 bap_write(ai, pBuf, len, BAP1);
4252 // ---now commit the rid data
4253 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4254 }
4255done:
4256 if (lock)
4257 up(&ai->sem);
4258 return rc;
4259}
4260
4261/* Allocates a FID to be used for transmitting packets. We only use
4262 one for now. */
4263static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264{
4265 unsigned int loop = 3000;
4266 Cmd cmd;
4267 Resp rsp;
4268 u16 txFid;
593c2b9c 4269 __le16 txControl;
1da177e4
LT		 4270
4271 cmd.cmd = CMD_ALLOCATETX;
4272 cmd.parm0 = lenPayload;
4273 if (down_interruptible(&ai->sem))
4274 return ERROR;
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279 if ( (rsp.status & 0xFF00) != 0) {
4280 txFid = ERROR;
4281 goto done;
4282 }
4283 /* wait for the allocate event/indication
4284 * It makes me kind of nervous that this can just sit here and spin,
4285 * but in practice it only loops like four times. */
4286 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4287 if (!loop) {
4288 txFid = ERROR;
4289 goto done;
4290 }
4291
4292 // get the allocated fid and acknowledge
4293 txFid = IN4500(ai, TXALLOCFID);
4294 OUT4500(ai, EVACK, EV_ALLOC);
4295
4296 /* The CARD is pretty cool since it converts the ethernet packet
4297 * into 802.11. Also note that we don't release the FID since we
4298 * will be using the same one over and over again. */
4299 /* We only have to setup the control once since we are not
4300 * releasing the fid. */
4301 if (raw)
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 else
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4307 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4308 txFid = ERROR;
4309 else
4310 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4311
4312done:
4313 up(&ai->sem);
4314
4315 return txFid;
4316}
4317
4318/* In general BAP1 is dedicated to transmiting packets. However,
4319 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4320 Make sure the BAP1 spinlock is held when this is called. */
4321static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322{
593c2b9c 4323 __le16 payloadLen;
1da177e4
LT		 4324 Cmd cmd;
4325 Resp rsp;
4326 int miclen = 0;
4327 u16 txFid = len;
4328 MICBuffer pMic;
4329
4330 len >>= 16;
4331
4332 if (len <= ETH_ALEN * 2) {
934d8bf1 4333 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4334 return ERROR;
4335 }
4336 len -= ETH_ALEN * 2;
4337
1da177e4 4338 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
593c2b9c 4339 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
1da177e4
LT		 4340 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 return ERROR;
4342 miclen = sizeof(pMic);
4343 }
1da177e4
LT		 4344 // packet is destination[6], source[6], payload[len-12]
4345 // write the payload length and dst/src/payload
4346 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4347 /* The hardware addresses aren't counted as part of the payload, so
4348 * we have to subtract the 12 bytes for the addresses off */
4349 payloadLen = cpu_to_le16(len + miclen);
4350 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
b8c06bc1 4351 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
1da177e4 4352 if (miclen)
b8c06bc1
AV		 4353 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4354 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, 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
4364static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4365{
593c2b9c 4366 __le16 fc, payloadLen;
1da177e4
LT		 4367 Cmd cmd;
4368 Resp rsp;
4369 int hdrlen;
977b143c
AV		 4370 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4371 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
1da177e4
LT		 4372 u16 txFid = len;
4373 len >>= 16;
1da177e4 4374
0300b332
AV		 4375 fc = *(__le16*)pPacket;
4376 hdrlen = header_len(fc);
1da177e4
LT		 4377
4378 if (len < hdrlen) {
934d8bf1 4379 airo_print_warn(ai->dev->name, "Short packet %d", len);
1da177e4
LT		 4380 return ERROR;
4381 }
4382
4383 /* packet is 802.11 header + payload
4384 * write the payload length and dst/src/payload */
4385 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4386 /* The 802.11 header aren't counted as part of the payload, so
4387 * we have to subtract the header bytes off */
4388 payloadLen = cpu_to_le16(len-hdrlen);
4389 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4390 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
b8c06bc1
AV		 4391 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4392 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
1da177e4 4393
b8c06bc1 4394 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
1da177e4
LT		 4395 // issue the transmit command
4396 memset( &cmd, 0, sizeof( cmd ) );
4397 cmd.cmd = CMD_TRANSMIT;
4398 cmd.parm0 = txFid;
4399 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4400 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4401 return SUCCESS;
4402}
4403
4404/*
4405 * This is the proc_fs routines. It is a bit messier than I would
4406 * like! Feel free to clean it up!
4407 */
4408
4409static ssize_t proc_read( struct file *file,
4410 char __user *buffer,
4411 size_t len,
4412 loff_t *offset);
4413
4414static ssize_t proc_write( struct file *file,
4415 const char __user *buffer,
4416 size_t len,
4417 loff_t *offset );
4418static int proc_close( struct inode *inode, struct file *file );
4419
4420static int proc_stats_open( struct inode *inode, struct file *file );
4421static int proc_statsdelta_open( struct inode *inode, struct file *file );
4422static int proc_status_open( struct inode *inode, struct file *file );
4423static int proc_SSID_open( struct inode *inode, struct file *file );
4424static int proc_APList_open( struct inode *inode, struct file *file );
4425static int proc_BSSList_open( struct inode *inode, struct file *file );
4426static int proc_config_open( struct inode *inode, struct file *file );
4427static int proc_wepkey_open( struct inode *inode, struct file *file );
4428
d54b1fdb 4429static const struct file_operations proc_statsdelta_ops = {
a95609cb 4430 .owner = THIS_MODULE,
1da177e4
LT		 4431 .read = proc_read,
4432 .open = proc_statsdelta_open,
4433 .release = proc_close
4434};
4435
d54b1fdb 4436static const struct file_operations proc_stats_ops = {
a95609cb 4437 .owner = THIS_MODULE,
1da177e4
LT		 4438 .read = proc_read,
4439 .open = proc_stats_open,
4440 .release = proc_close
4441};
4442
d54b1fdb 4443static const struct file_operations proc_status_ops = {
a95609cb 4444 .owner = THIS_MODULE,
1da177e4
LT		 4445 .read = proc_read,
4446 .open = proc_status_open,
4447 .release = proc_close
4448};
4449
d54b1fdb 4450static const struct file_operations proc_SSID_ops = {
a95609cb 4451 .owner = THIS_MODULE,
1da177e4
LT		 4452 .read = proc_read,
4453 .write = proc_write,
4454 .open = proc_SSID_open,
4455 .release = proc_close
4456};
4457
d54b1fdb 4458static const struct file_operations proc_BSSList_ops = {
a95609cb 4459 .owner = THIS_MODULE,
1da177e4
LT		 4460 .read = proc_read,
4461 .write = proc_write,
4462 .open = proc_BSSList_open,
4463 .release = proc_close
4464};
4465
d54b1fdb 4466static const struct file_operations proc_APList_ops = {
a95609cb 4467 .owner = THIS_MODULE,
1da177e4
LT		 4468 .read = proc_read,
4469 .write = proc_write,
4470 .open = proc_APList_open,
4471 .release = proc_close
4472};
4473
d54b1fdb 4474static const struct file_operations proc_config_ops = {
a95609cb 4475 .owner = THIS_MODULE,
1da177e4
LT		 4476 .read = proc_read,
4477 .write = proc_write,
4478 .open = proc_config_open,
4479 .release = proc_close
4480};
4481
d54b1fdb 4482static const struct file_operations proc_wepkey_ops = {
a95609cb 4483 .owner = THIS_MODULE,
1da177e4
LT		 4484 .read = proc_read,
4485 .write = proc_write,
4486 .open = proc_wepkey_open,
4487 .release = proc_close
4488};
4489
4490static struct proc_dir_entry *airo_entry;
4491
4492struct proc_data {
4493 int release_buffer;
4494 int readlen;
4495 char *rbuffer;
4496 int writelen;
4497 int maxwritelen;
4498 char *wbuffer;
4499 void (*on_close) (struct inode *, struct file *);
4500};
4501
1da177e4
LT		 4502static int setup_proc_entry( struct net_device *dev,
4503 struct airo_info *apriv ) {
4504 struct proc_dir_entry *entry;
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4508 S_IFDIR|airo_perm,
4509 airo_entry);
431aca5a
FM		 4510 if (!apriv->proc_entry)
4511 goto fail;
4512 apriv->proc_entry->uid = proc_uid;
4513 apriv->proc_entry->gid = proc_gid;
1da177e4
LT		 4514
4515 /* Setup the StatsDelta */
a95609cb
DL		 4516 entry = proc_create_data("StatsDelta",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry, &proc_statsdelta_ops, dev);
431aca5a
FM		 4519 if (!entry)
4520 goto fail_stats_delta;
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
1da177e4
LT		 4523
4524 /* Setup the Stats */
a95609cb
DL		 4525 entry = proc_create_data("Stats",
4526 S_IFREG | (S_IRUGO&proc_perm),
4527 apriv->proc_entry, &proc_stats_ops, dev);
431aca5a
FM		 4528 if (!entry)
4529 goto fail_stats;
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
1da177e4
LT		 4532
4533 /* Setup the Status */
a95609cb
DL		 4534 entry = proc_create_data("Status",
4535 S_IFREG | (S_IRUGO&proc_perm),
4536 apriv->proc_entry, &proc_status_ops, dev);
431aca5a
FM		 4537 if (!entry)
4538 goto fail_status;
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
1da177e4
LT		 4541
4542 /* Setup the Config */
a95609cb
DL		 4543 entry = proc_create_data("Config",
4544 S_IFREG | proc_perm,
4545 apriv->proc_entry, &proc_config_ops, dev);
431aca5a
FM		 4546 if (!entry)
4547 goto fail_config;
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
1da177e4
LT		 4550
4551 /* Setup the SSID */
a95609cb
DL		 4552 entry = proc_create_data("SSID",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry, &proc_SSID_ops, dev);
431aca5a
FM		 4555 if (!entry)
4556 goto fail_ssid;
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
1da177e4
LT		 4559
4560 /* Setup the APList */
a95609cb
DL		 4561 entry = proc_create_data("APList",
4562 S_IFREG | proc_perm,
4563 apriv->proc_entry, &proc_APList_ops, dev);
431aca5a
FM		 4564 if (!entry)
4565 goto fail_aplist;
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
1da177e4
LT		 4568
4569 /* Setup the BSSList */
a95609cb
DL		 4570 entry = proc_create_data("BSSList",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry, &proc_BSSList_ops, dev);
431aca5a
FM		 4573 if (!entry)
4574 goto fail_bsslist;
1da177e4
LT		 4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
1da177e4
LT		 4577
4578 /* Setup the WepKey */
a95609cb
DL		 4579 entry = proc_create_data("WepKey",
4580 S_IFREG | proc_perm,
4581 apriv->proc_entry, &proc_wepkey_ops, dev);
431aca5a
FM		 4582 if (!entry)
4583 goto fail_wepkey;
4584 entry->uid = proc_uid;
4585 entry->gid = proc_gid;
1da177e4
LT		 4586
4587 return 0;
431aca5a
FM		 4588
4589fail_wepkey:
4590 remove_proc_entry("BSSList", apriv->proc_entry);
4591fail_bsslist:
4592 remove_proc_entry("APList", apriv->proc_entry);
4593fail_aplist:
4594 remove_proc_entry("SSID", apriv->proc_entry);
4595fail_ssid:
4596 remove_proc_entry("Config", apriv->proc_entry);
4597fail_config:
4598 remove_proc_entry("Status", apriv->proc_entry);
4599fail_status:
4600 remove_proc_entry("Stats", apriv->proc_entry);
4601fail_stats:
4602 remove_proc_entry("StatsDelta", apriv->proc_entry);
4603fail_stats_delta:
4604 remove_proc_entry(apriv->proc_name, airo_entry);
4605fail:
4606 return -ENOMEM;
1da177e4
LT		 4607}
4608
4609static int takedown_proc_entry( struct net_device *dev,
4610 struct airo_info *apriv ) {
4611 if ( !apriv->proc_entry->namelen ) return 0;
4612 remove_proc_entry("Stats",apriv->proc_entry);
4613 remove_proc_entry("StatsDelta",apriv->proc_entry);
4614 remove_proc_entry("Status",apriv->proc_entry);
4615 remove_proc_entry("Config",apriv->proc_entry);
4616 remove_proc_entry("SSID",apriv->proc_entry);
4617 remove_proc_entry("APList",apriv->proc_entry);
4618 remove_proc_entry("BSSList",apriv->proc_entry);
4619 remove_proc_entry("WepKey",apriv->proc_entry);
4620 remove_proc_entry(apriv->proc_name,airo_entry);
4621 return 0;
4622}
4623
4624/*
4625 * What we want from the proc_fs is to be able to efficiently read
4626 * and write the configuration. To do this, we want to read the
4627 * configuration when the file is opened and write it when the file is
4628 * closed. So basically we allocate a read buffer at open and fill it
4629 * with data, and allocate a write buffer and read it at close.
4630 */
4631
4632/*
4633 * The read routine is generic, it relies on the preallocated rbuffer
4634 * to supply the data.
4635 */
4636static ssize_t proc_read( struct file *file,
4637 char __user *buffer,
4638 size_t len,
4639 loff_t *offset )
4640{
cc0d9ff2 4641 struct proc_data *priv = file->private_data;
1da177e4
LT		 4642
4643 if (!priv->rbuffer)
4644 return -EINVAL;
4645
cc0d9ff2
AM		 4646 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4647 priv->readlen);
1da177e4
LT		 4648}
4649
4650/*
4651 * The write routine is generic, it fills in a preallocated rbuffer
4652 * to supply the data.
4653 */
4654static ssize_t proc_write( struct file *file,
4655 const char __user *buffer,
4656 size_t len,
4657 loff_t *offset )
4658{
4659 loff_t pos = *offset;
57674308 4660 struct proc_data *priv = file->private_data;
1da177e4
LT		 4661
4662 if (!priv->wbuffer)
4663 return -EINVAL;
4664
4665 if (pos < 0)
4666 return -EINVAL;
4667 if (pos >= priv->maxwritelen)
4668 return 0;
4669 if (len > priv->maxwritelen - pos)
4670 len = priv->maxwritelen - pos;
4671 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4672 return -EFAULT;
4673 if ( pos + len > priv->writelen )
4674 priv->writelen = len + file->f_pos;
4675 *offset = pos + len;
4676 return len;
4677}
4678
329e2c00
AV		 4679static int proc_status_open(struct inode *inode, struct file *file)
4680{
1da177e4
LT		 4681 struct proc_data *data;
4682 struct proc_dir_entry *dp = PDE(inode);
4683 struct net_device *dev = dp->data;
faf3994a 4684 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4685 CapabilityRid cap_rid;
4686 StatusRid status_rid;
329e2c00 4687 u16 mode;
1da177e4
LT		 4688 int i;
4689
b69a3aa8 4690 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4691 return -ENOMEM;
57674308 4692 data = file->private_data;
1da177e4
LT		 4693 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4694 kfree (file->private_data);
4695 return -ENOMEM;
4696 }
4697
4698 readStatusRid(apriv, &status_rid, 1);
4699 readCapabilityRid(apriv, &cap_rid, 1);
4700
329e2c00
AV		 4701 mode = le16_to_cpu(status_rid.mode);
4702
1da177e4 4703 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
329e2c00
AV		 4704 mode & 1 ? "CFG ": "",
4705 mode & 2 ? "ACT ": "",
4706 mode & 0x10 ? "SYN ": "",
4707 mode & 0x20 ? "LNK ": "",
4708 mode & 0x40 ? "LEAP ": "",
4709 mode & 0x80 ? "PRIV ": "",
4710 mode & 0x100 ? "KEY ": "",
4711 mode & 0x200 ? "WEP ": "",
4712 mode & 0x8000 ? "ERR ": "");
1da177e4
LT		 4713 sprintf( data->rbuffer+i, "Mode: %x\n"
4714 "Signal Strength: %d\n"
4715 "Signal Quality: %d\n"
4716 "SSID: %-.*s\n"
4717 "AP: %-.16s\n"
4718 "Freq: %d\n"
4719 "BitRate: %dmbs\n"
4720 "Driver Version: %s\n"
4721 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4722 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4723 "Software Version: %x\nSoftware Subversion: %x\n"
4724 "Boot block version: %x\n",
329e2c00
AV		 4725 le16_to_cpu(status_rid.mode),
4726 le16_to_cpu(status_rid.normalizedSignalStrength),
4727 le16_to_cpu(status_rid.signalQuality),
4728 le16_to_cpu(status_rid.SSIDlen),
1da177e4
LT		 4729 status_rid.SSID,
4730 status_rid.apName,
329e2c00
AV		 4731 le16_to_cpu(status_rid.channel),
4732 le16_to_cpu(status_rid.currentXmitRate) / 2,
1da177e4
LT		 4733 version,
4734 cap_rid.prodName,
4735 cap_rid.manName,
4736 cap_rid.prodVer,
56d81bd3
AV		 4737 le16_to_cpu(cap_rid.radioType),
4738 le16_to_cpu(cap_rid.country),
4739 le16_to_cpu(cap_rid.hardVer),
4740 le16_to_cpu(cap_rid.softVer),
4741 le16_to_cpu(cap_rid.softSubVer),
4742 le16_to_cpu(cap_rid.bootBlockVer));
1da177e4
LT		 4743 data->readlen = strlen( data->rbuffer );
4744 return 0;
4745}
4746
4747static int proc_stats_rid_open(struct inode*, struct file*, u16);
4748static int proc_statsdelta_open( struct inode *inode,
4749 struct file *file ) {
4750 if (file->f_mode&FMODE_WRITE) {
4751 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4752 }
4753 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4754}
4755
4756static int proc_stats_open( struct inode *inode, struct file *file ) {
4757 return proc_stats_rid_open(inode, file, RID_STATS);
4758}
4759
4760static int proc_stats_rid_open( struct inode *inode,
4761 struct file *file,
a23ace5f
AV		 4762 u16 rid )
4763{
1da177e4
LT		 4764 struct proc_data *data;
4765 struct proc_dir_entry *dp = PDE(inode);
4766 struct net_device *dev = dp->data;
faf3994a 4767 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 4768 StatsRid stats;
4769 int i, j;
a23ace5f 4770 __le32 *vals = stats.vals;
bc8263f1 4771 int len;
1da177e4 4772
b69a3aa8 4773 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 4774 return -ENOMEM;
57674308 4775 data = file->private_data;
1da177e4
LT		 4776 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4777 kfree (file->private_data);
4778 return -ENOMEM;
4779 }
4780
4781 readStatsRid(apriv, &stats, rid, 1);
bc8263f1 4782 len = le16_to_cpu(stats.len);
1da177e4
LT		 4783
4784 j = 0;
a23ace5f 4785 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
1da177e4
LT		 4786 if (!statsLabels[i]) continue;
4787 if (j+strlen(statsLabels[i])+16>4096) {
934d8bf1
DW		 4788 airo_print_warn(apriv->dev->name,
4789 "Potentially disasterous buffer overflow averted!");
1da177e4
LT		 4790 break;
4791 }
a23ace5f
AV		 4792 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4793 le32_to_cpu(vals[i]));
1da177e4 4794 }
a23ace5f 4795 if (i*4 >= len) {
934d8bf1 4796 airo_print_warn(apriv->dev->name, "Got a short rid");
1da177e4
LT		 4797 }
4798 data->readlen = j;
4799 return 0;
4800}
4801
4802static int get_dec_u16( char *buffer, int *start, int limit ) {
4803 u16 value;
4804 int valid = 0;
30bd5726
RK		 4805 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4806 buffer[*start] <= '9'; (*start)++) {
1da177e4
LT		 4807 valid = 1;
4808 value *= 10;
4809 value += buffer[*start] - '0';
4810 }
4811 if ( !valid ) return -1;
4812 return value;
4813}
4814
4815static int airo_config_commit(struct net_device *dev,
4816 struct iw_request_info *info, void *zwrq,
4817 char *extra);
4818
3eb9b41f
AV		 4819static inline int sniffing_mode(struct airo_info *ai)
4820{
1f351e38 4821 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
3eb9b41f
AV		 4822 le16_to_cpu(RXMODE_RFMON);
4823}
4824
4825static void proc_config_on_close(struct inode *inode, struct file *file)
4826{
1da177e4
LT		 4827 struct proc_data *data = file->private_data;
4828 struct proc_dir_entry *dp = PDE(inode);
4829 struct net_device *dev = dp->data;
faf3994a 4830 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 4831 char *line;
4832
4833 if ( !data->writelen ) return;
4834
4835 readConfigRid(ai, 1);
4836 set_bit (FLAG_COMMIT, &ai->flags);
4837
4838 line = data->wbuffer;
4839 while( line[0] ) {
4840/*** Mode processing */
4841 if ( !strncmp( line, "Mode: ", 6 ) ) {
4842 line += 6;
3eb9b41f
AV		 4843 if (sniffing_mode(ai))
4844 set_bit (FLAG_RESET, &ai->flags);
4845 ai->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4 4846 clear_bit (FLAG_802_11, &ai->flags);
3eb9b41f 4847 ai->config.opmode &= ~MODE_CFG_MASK;
1da177e4
LT		 4848 ai->config.scanMode = SCANMODE_ACTIVE;
4849 if ( line[0] == 'a' ) {
3eb9b41f 4850 ai->config.opmode |= MODE_STA_IBSS;
1da177e4 4851 } else {
3eb9b41f 4852 ai->config.opmode |= MODE_STA_ESS;
1da177e4
LT		 4853 if ( line[0] == 'r' ) {
4854 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4855 ai->config.scanMode = SCANMODE_PASSIVE;
4856 set_bit (FLAG_802_11, &ai->flags);
4857 } else if ( line[0] == 'y' ) {
4858 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4859 ai->config.scanMode = SCANMODE_PASSIVE;
4860 set_bit (FLAG_802_11, &ai->flags);
4861 } else if ( line[0] == 'l' )
4862 ai->config.rmode |= RXMODE_LANMON;
4863 }
4864 set_bit (FLAG_COMMIT, &ai->flags);
4865 }
4866
4867/*** Radio status */
4868 else if (!strncmp(line,"Radio: ", 7)) {
4869 line += 7;
4870 if (!strncmp(line,"off",3)) {
4871 set_bit (FLAG_RADIO_OFF, &ai->flags);
4872 } else {
4873 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4874 }
4875 }
4876/*** NodeName processing */
4877 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4878 int j;
4879
4880 line += 10;
4881 memset( ai->config.nodeName, 0, 16 );
4882/* Do the name, assume a space between the mode and node name */
4883 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4884 ai->config.nodeName[j] = line[j];
4885 }
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 }
4888
4889/*** PowerMode processing */
4890 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4891 line += 11;
4892 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4893 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "PSP", 3 ) ) {
4896 ai->config.powerSaveMode = POWERSAVE_PSP;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else {
4899 ai->config.powerSaveMode = POWERSAVE_CAM;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 }
4902 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4903 int v, i = 0, k = 0; /* i is index into line,
4904 k is index to rates */
4905
4906 line += 11;
4907 while((v = get_dec_u16(line, &i, 3))!=-1) {
4908 ai->config.rates[k++] = (u8)v;
4909 line += i + 1;
4910 i = 0;
4911 }
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4914 int v, i = 0;
4915 line += 9;
4916 v = get_dec_u16(line, &i, i+3);
4917 if ( v != -1 ) {
3eb9b41f 4918 ai->config.channelSet = cpu_to_le16(v);
1da177e4
LT		 4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 }
4921 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4922 int v, i = 0;
4923 line += 11;
4924 v = get_dec_u16(line, &i, i+3);
4925 if ( v != -1 ) {
3eb9b41f 4926 ai->config.txPower = cpu_to_le16(v);
1da177e4
LT		 4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 }
4929 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4930 line += 5;
4931 switch( line[0] ) {
4932 case 's':
3eb9b41f 4933 ai->config.authType = AUTH_SHAREDKEY;
1da177e4
LT		 4934 break;
4935 case 'e':
3eb9b41f 4936 ai->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 4937 break;
4938 default:
3eb9b41f 4939 ai->config.authType = AUTH_OPEN;
1da177e4
LT		 4940 break;
4941 }
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4944 int v, i = 0;
4945
4946 line += 16;
4947 v = get_dec_u16(line, &i, 3);
4948 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4949 ai->config.longRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4952 int v, i = 0;
4953
4954 line += 17;
4955 v = get_dec_u16(line, &i, 3);
4956 v = (v<0) ? 0 : ((v>255) ? 255 : v);
3eb9b41f 4957 ai->config.shortRetryLimit = cpu_to_le16(v);
1da177e4
LT		 4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4960 int v, i = 0;
4961
4962 line += 14;
4963 v = get_dec_u16(line, &i, 4);
15db2763 4964 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
3eb9b41f 4965 ai->config.rtsThres = cpu_to_le16(v);
1da177e4
LT		 4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4968 int v, i = 0;
4969
4970 line += 16;
4971 v = get_dec_u16(line, &i, 5);
4972 v = (v<0) ? 0 : v;
3eb9b41f 4973 ai->config.txLifetime = cpu_to_le16(v);
1da177e4
LT		 4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4976 int v, i = 0;
4977
4978 line += 16;
4979 v = get_dec_u16(line, &i, 5);
4980 v = (v<0) ? 0 : v;
3eb9b41f 4981 ai->config.rxLifetime = cpu_to_le16(v);
1da177e4
LT		 4982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4984 ai->config.txDiversity =
4985 (line[13]=='l') ? 1 :
4986 ((line[13]=='r')? 2: 3);
4987 set_bit (FLAG_COMMIT, &ai->flags);
4988 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4989 ai->config.rxDiversity =
4990 (line[13]=='l') ? 1 :
4991 ((line[13]=='r')? 2: 3);
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4994 int v, i = 0;
4995
4996 line += 15;
4997 v = get_dec_u16(line, &i, 4);
15db2763 4998 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
1da177e4 4999 v = v & 0xfffe; /* Make sure its even */
3eb9b41f 5000 ai->config.fragThresh = cpu_to_le16(v);
1da177e4
LT		 5001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if (!strncmp(line, "Modulation: ", 12)) {
5003 line += 12;
5004 switch(*line) {
5005 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5006 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5008 default: airo_print_warn(ai->dev->name, "Unknown modulation");
1da177e4
LT		 5009 }
5010 } else if (!strncmp(line, "Preamble: ", 10)) {
5011 line += 10;
5012 switch(*line) {
5013 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5015 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
934d8bf1 5016 default: airo_print_warn(ai->dev->name, "Unknown preamble");
1da177e4
LT		 5017 }
5018 } else {
934d8bf1 5019 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
1da177e4
LT		 5020 }
5021 while( line[0] && line[0] != '\n' ) line++;
5022 if ( line[0] ) line++;
5023 }
5024 airo_config_commit(dev, NULL, NULL, NULL);
5025}
5026
7a374d8e 5027static const char *get_rmode(__le16 mode)
3eb9b41f
AV		 5028{
5029 switch(mode & RXMODE_MASK) {
1da177e4
LT		 5030 case RXMODE_RFMON: return "rfmon";
5031 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5032 case RXMODE_LANMON: return "lanmon";
5033 }
5034 return "ESS";
5035}
5036
3eb9b41f
AV		 5037static int proc_config_open(struct inode *inode, struct file *file)
5038{
1da177e4
LT		 5039 struct proc_data *data;
5040 struct proc_dir_entry *dp = PDE(inode);
5041 struct net_device *dev = dp->data;
faf3994a 5042 struct airo_info *ai = dev->ml_priv;
1da177e4 5043 int i;
3eb9b41f 5044 __le16 mode;
1da177e4 5045
b69a3aa8 5046 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5047 return -ENOMEM;
57674308 5048 data = file->private_data;
1da177e4
LT		 5049 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5050 kfree (file->private_data);
5051 return -ENOMEM;
5052 }
b69a3aa8 5053 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5054 kfree (data->rbuffer);
5055 kfree (file->private_data);
5056 return -ENOMEM;
5057 }
1da177e4
LT		 5058 data->maxwritelen = 2048;
5059 data->on_close = proc_config_on_close;
5060
5061 readConfigRid(ai, 1);
5062
3eb9b41f 5063 mode = ai->config.opmode & MODE_CFG_MASK;
1da177e4
LT		 5064 i = sprintf( data->rbuffer,
5065 "Mode: %s\n"
5066 "Radio: %s\n"
5067 "NodeName: %-16s\n"
5068 "PowerMode: %s\n"
5069 "DataRates: %d %d %d %d %d %d %d %d\n"
5070 "Channel: %d\n"
5071 "XmitPower: %d\n",
3eb9b41f
AV		 5072 mode == MODE_STA_IBSS ? "adhoc" :
5073 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5074 mode == MODE_AP ? "AP" :
5075 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
1da177e4
LT		 5076 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5077 ai->config.nodeName,
3eb9b41f
AV		 5078 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5079 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5080 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5081 "Error",
1da177e4
LT		 5082 (int)ai->config.rates[0],
5083 (int)ai->config.rates[1],
5084 (int)ai->config.rates[2],
5085 (int)ai->config.rates[3],
5086 (int)ai->config.rates[4],
5087 (int)ai->config.rates[5],
5088 (int)ai->config.rates[6],
5089 (int)ai->config.rates[7],
3eb9b41f
AV		 5090 le16_to_cpu(ai->config.channelSet),
5091 le16_to_cpu(ai->config.txPower)
1da177e4
LT		 5092 );
5093 sprintf( data->rbuffer + i,
5094 "LongRetryLimit: %d\n"
5095 "ShortRetryLimit: %d\n"
5096 "RTSThreshold: %d\n"
5097 "TXMSDULifetime: %d\n"
5098 "RXMSDULifetime: %d\n"
5099 "TXDiversity: %s\n"
5100 "RXDiversity: %s\n"
5101 "FragThreshold: %d\n"
5102 "WEP: %s\n"
5103 "Modulation: %s\n"
5104 "Preamble: %s\n",
3eb9b41f
AV		 5105 le16_to_cpu(ai->config.longRetryLimit),
5106 le16_to_cpu(ai->config.shortRetryLimit),
5107 le16_to_cpu(ai->config.rtsThres),
5108 le16_to_cpu(ai->config.txLifetime),
5109 le16_to_cpu(ai->config.rxLifetime),
1da177e4
LT		 5110 ai->config.txDiversity == 1 ? "left" :
5111 ai->config.txDiversity == 2 ? "right" : "both",
5112 ai->config.rxDiversity == 1 ? "left" :
5113 ai->config.rxDiversity == 2 ? "right" : "both",
3eb9b41f 5114 le16_to_cpu(ai->config.fragThresh),
1da177e4
LT		 5115 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5116 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
3eb9b41f 5117 ai->config.modulation == MOD_DEFAULT ? "default" :
1da177e4
LT		 5118 ai->config.modulation == MOD_CCK ? "cck" :
5119 ai->config.modulation == MOD_MOK ? "mok" : "error",
5120 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5121 ai->config.preamble == PREAMBLE_LONG ? "long" :
5122 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5123 );
5124 data->readlen = strlen( data->rbuffer );
5125 return 0;
5126}
5127
0dd2212f
AV		 5128static void proc_SSID_on_close(struct inode *inode, struct file *file)
5129{
57674308 5130 struct proc_data *data = file->private_data;
1da177e4
LT		 5131 struct proc_dir_entry *dp = PDE(inode);
5132 struct net_device *dev = dp->data;
faf3994a 5133 struct airo_info *ai = dev->ml_priv;
1da177e4 5134 SsidRid SSID_rid;
1da177e4 5135 int i;
0dd2212f
AV		 5136 char *p = data->wbuffer;
5137 char *end = p + data->writelen;
1da177e4 5138
0dd2212f
AV		 5139 if (!data->writelen)
5140 return;
1da177e4 5141
0dd2212f 5142 *end = '\n'; /* sentinel; we have space for it */
1da177e4 5143
0dd2212f
AV		 5144 memset(&SSID_rid, 0, sizeof(SSID_rid));
5145
5146 for (i = 0; i < 3 && p < end; i++) {
5147 int j = 0;
5148 /* copy up to 32 characters from this line */
5149 while (*p != '\n' && j < 32)
5150 SSID_rid.ssids[i].ssid[j++] = *p++;
5151 if (j == 0)
5152 break;
5153 SSID_rid.ssids[i].len = cpu_to_le16(j);
5154 /* skip to the beginning of the next line */
5155 while (*p++ != '\n')
5156 ;
1da177e4
LT		 5157 }
5158 if (i)
0dd2212f 5159 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5160 disable_MAC(ai, 1);
5161 writeSsidRid(ai, &SSID_rid, 1);
175ec1a1 5162 enable_MAC(ai, 1);
1da177e4
LT		 5163}
5164
1da177e4 5165static void proc_APList_on_close( struct inode *inode, struct file *file ) {
57674308 5166 struct proc_data *data = file->private_data;
1da177e4
LT		 5167 struct proc_dir_entry *dp = PDE(inode);
5168 struct net_device *dev = dp->data;
faf3994a 5169 struct airo_info *ai = dev->ml_priv;
1da177e4 5170 APListRid APList_rid;
1da177e4
LT		 5171 int i;
5172
5173 if ( !data->writelen ) return;
5174
5175 memset( &APList_rid, 0, sizeof(APList_rid) );
a749716e 5176 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 5177
5178 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5179 int j;
5180 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5181 switch(j%3) {
5182 case 0:
5183 APList_rid.ap[i][j/3]=
26355387 5184 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
1da177e4
LT		 5185 break;
5186 case 1:
5187 APList_rid.ap[i][j/3]|=
26355387 5188 hex_to_bin(data->wbuffer[j+i*6*3]);
1da177e4
LT		 5189 break;
5190 }
5191 }
5192 }
5193 disable_MAC(ai, 1);
5194 writeAPListRid(ai, &APList_rid, 1);
175ec1a1 5195 enable_MAC(ai, 1);
1da177e4
LT		 5196}
5197
5198/* This function wraps PC4500_writerid with a MAC disable */
5199static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5200 int len, int dummy ) {
5201 int rc;
1da177e4
LT		 5202
5203 disable_MAC(ai, 1);
5204 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
175ec1a1 5205 enable_MAC(ai, 1);
1da177e4
LT		 5206 return rc;
5207}
5208
c0380693
DW		 5209/* Returns the WEP key at the specified index, or -1 if that key does
5210 * not exist. The buffer is assumed to be at least 16 bytes in length.
1da177e4 5211 */
c0380693
DW		 5212static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5213{
1da177e4
LT		 5214 WepKeyRid wkr;
5215 int rc;
4293ea33 5216 __le16 lastindex;
1da177e4
LT		 5217
5218 rc = readWepKeyRid(ai, &wkr, 1, 1);
c0380693
DW		 5219 if (rc != SUCCESS)
5220 return -1;
5221 do {
1da177e4 5222 lastindex = wkr.kindex;
c0380693
DW		 5223 if (le16_to_cpu(wkr.kindex) == index) {
5224 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5225 memcpy(buf, wkr.key, klen);
5226 return klen;
1da177e4 5227 }
c0380693
DW		 5228 rc = readWepKeyRid(ai, &wkr, 0, 1);
5229 if (rc != SUCCESS)
5230 return -1;
4293ea33 5231 } while (lastindex != wkr.kindex);
1da177e4
LT		 5232 return -1;
5233}
5234
c0380693
DW		 5235static int get_wep_tx_idx(struct airo_info *ai)
5236{
5237 WepKeyRid wkr;
5238 int rc;
5239 __le16 lastindex;
5240
5241 rc = readWepKeyRid(ai, &wkr, 1, 1);
5242 if (rc != SUCCESS)
5243 return -1;
5244 do {
5245 lastindex = wkr.kindex;
5246 if (wkr.kindex == cpu_to_le16(0xffff))
5247 return wkr.mac[0];
5248 rc = readWepKeyRid(ai, &wkr, 0, 1);
5249 if (rc != SUCCESS)
5250 return -1;
5251 } while (lastindex != wkr.kindex);
5252 return -1;
5253}
5254
5255static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5256 u16 keylen, int perm, int lock)
4293ea33 5257{
1da177e4
LT		 5258 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5259 WepKeyRid wkr;
c0380693 5260 int rc;
1da177e4 5261
6510b891
SG		 5262 if (WARN_ON(keylen == 0))
5263 return -1;
1da177e4 5264
c0380693
DW		 5265 memset(&wkr, 0, sizeof(wkr));
5266 wkr.len = cpu_to_le16(sizeof(wkr));
5267 wkr.kindex = cpu_to_le16(index);
5268 wkr.klen = cpu_to_le16(keylen);
5269 memcpy(wkr.key, key, keylen);
5270 memcpy(wkr.mac, macaddr, ETH_ALEN);
5271
f89b2321 5272 if (perm) disable_MAC(ai, lock);
c0380693 5273 rc = writeWepKeyRid(ai, &wkr, perm, lock);
175ec1a1 5274 if (perm) enable_MAC(ai, lock);
c0380693
DW		 5275 return rc;
5276}
5277
5278static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5279{
5280 WepKeyRid wkr;
5281 int rc;
5282
5283 memset(&wkr, 0, sizeof(wkr));
5284 wkr.len = cpu_to_le16(sizeof(wkr));
5285 wkr.kindex = cpu_to_le16(0xffff);
5286 wkr.mac[0] = (char)index;
5287
5288 if (perm) {
5289 ai->defindex = (char)index;
5290 disable_MAC(ai, lock);
5291 }
5292
5293 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5294
5295 if (perm)
5296 enable_MAC(ai, lock);
5297 return rc;
1da177e4
LT		 5298}
5299
5300static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5301 struct proc_data *data;
5302 struct proc_dir_entry *dp = PDE(inode);
5303 struct net_device *dev = dp->data;
faf3994a 5304 struct airo_info *ai = dev->ml_priv;
c0380693 5305 int i, rc;
1da177e4
LT		 5306 char key[16];
5307 u16 index = 0;
5308 int j = 0;
5309
5310 memset(key, 0, sizeof(key));
5311
57674308 5312 data = file->private_data;
1da177e4
LT		 5313 if ( !data->writelen ) return;
5314
5315 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5316 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5317 index = data->wbuffer[0] - '0';
5318 if (data->wbuffer[1] == '\n') {
c0380693
DW		 5319 rc = set_wep_tx_idx(ai, index, 1, 1);
5320 if (rc < 0) {
5321 airo_print_err(ai->dev->name, "failed to set "
5322 "WEP transmit index to %d: %d.",
5323 index, rc);
5324 }
1da177e4
LT		 5325 return;
5326 }
5327 j = 2;
5328 } else {
934d8bf1 5329 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
1da177e4
LT		 5330 return;
5331 }
5332
5333 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5334 switch(i%3) {
5335 case 0:
26355387 5336 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
1da177e4
LT		 5337 break;
5338 case 1:
26355387 5339 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
1da177e4
LT		 5340 break;
5341 }
5342 }
c0380693
DW		 5343
5344 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5345 if (rc < 0) {
5346 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5347 "%d: %d.", index, rc);
5348 }
1da177e4
LT		 5349}
5350
4293ea33
AV		 5351static int proc_wepkey_open( struct inode *inode, struct file *file )
5352{
1da177e4
LT		 5353 struct proc_data *data;
5354 struct proc_dir_entry *dp = PDE(inode);
5355 struct net_device *dev = dp->data;
faf3994a 5356 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5357 char *ptr;
5358 WepKeyRid wkr;
4293ea33 5359 __le16 lastindex;
1da177e4
LT		 5360 int j=0;
5361 int rc;
5362
b69a3aa8 5363 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5364 return -ENOMEM;
1da177e4 5365 memset(&wkr, 0, sizeof(wkr));
57674308 5366 data = file->private_data;
b69a3aa8 5367 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5368 kfree (file->private_data);
5369 return -ENOMEM;
5370 }
1da177e4
LT		 5371 data->writelen = 0;
5372 data->maxwritelen = 80;
b69a3aa8 5373 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5374 kfree (data->rbuffer);
5375 kfree (file->private_data);
5376 return -ENOMEM;
5377 }
1da177e4
LT		 5378 data->on_close = proc_wepkey_on_close;
5379
5380 ptr = data->rbuffer;
5381 strcpy(ptr, "No wep keys\n");
5382 rc = readWepKeyRid(ai, &wkr, 1, 1);
5383 if (rc == SUCCESS) do {
5384 lastindex = wkr.kindex;
4293ea33 5385 if (wkr.kindex == cpu_to_le16(0xffff)) {
1da177e4
LT		 5386 j += sprintf(ptr+j, "Tx key = %d\n",
5387 (int)wkr.mac[0]);
5388 } else {
5389 j += sprintf(ptr+j, "Key %d set with length = %d\n",
4293ea33
AV		 5390 le16_to_cpu(wkr.kindex),
5391 le16_to_cpu(wkr.klen));
1da177e4
LT		 5392 }
5393 readWepKeyRid(ai, &wkr, 0, 1);
5394 } while((lastindex != wkr.kindex) && (j < 180-30));
5395
5396 data->readlen = strlen( data->rbuffer );
5397 return 0;
5398}
5399
0dd2212f
AV		 5400static int proc_SSID_open(struct inode *inode, struct file *file)
5401{
1da177e4
LT		 5402 struct proc_data *data;
5403 struct proc_dir_entry *dp = PDE(inode);
5404 struct net_device *dev = dp->data;
faf3994a 5405 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5406 int i;
5407 char *ptr;
5408 SsidRid SSID_rid;
5409
b69a3aa8 5410 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5411 return -ENOMEM;
57674308 5412 data = file->private_data;
1da177e4
LT		 5413 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5414 kfree (file->private_data);
5415 return -ENOMEM;
5416 }
5417 data->writelen = 0;
5418 data->maxwritelen = 33*3;
0dd2212f
AV		 5419 /* allocate maxwritelen + 1; we'll want a sentinel */
5420 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
1da177e4
LT		 5421 kfree (data->rbuffer);
5422 kfree (file->private_data);
5423 return -ENOMEM;
5424 }
1da177e4
LT		 5425 data->on_close = proc_SSID_on_close;
5426
5427 readSsidRid(ai, &SSID_rid);
5428 ptr = data->rbuffer;
0dd2212f 5429 for (i = 0; i < 3; i++) {
1da177e4 5430 int j;
0dd2212f
AV		 5431 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5432 if (!len)
5433 break;
5434 if (len > 32)
5435 len = 32;
5436 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
1da177e4 5437 *ptr++ = SSID_rid.ssids[i].ssid[j];
1da177e4
LT		 5438 *ptr++ = '\n';
5439 }
5440 *ptr = '\0';
5441 data->readlen = strlen( data->rbuffer );
5442 return 0;
5443}
5444
5445static int proc_APList_open( struct inode *inode, struct file *file ) {
5446 struct proc_data *data;
5447 struct proc_dir_entry *dp = PDE(inode);
5448 struct net_device *dev = dp->data;
faf3994a 5449 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5450 int i;
5451 char *ptr;
5452 APListRid APList_rid;
5453
b69a3aa8 5454 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5455 return -ENOMEM;
57674308 5456 data = file->private_data;
1da177e4
LT		 5457 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5458 kfree (file->private_data);
5459 return -ENOMEM;
5460 }
5461 data->writelen = 0;
5462 data->maxwritelen = 4*6*3;
b69a3aa8 5463 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
1da177e4
LT		 5464 kfree (data->rbuffer);
5465 kfree (file->private_data);
5466 return -ENOMEM;
5467 }
1da177e4
LT		 5468 data->on_close = proc_APList_on_close;
5469
5470 readAPListRid(ai, &APList_rid);
5471 ptr = data->rbuffer;
5472 for( i = 0; i < 4; i++ ) {
5473// We end when we find a zero MAC
5474 if ( !*(int*)APList_rid.ap[i] &&
5475 !*(int*)&APList_rid.ap[i][2]) break;
e174961c 5476 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
1da177e4
LT		 5477 }
5478 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5479
5480 *ptr = '\0';
5481 data->readlen = strlen( data->rbuffer );
5482 return 0;
5483}
5484
5485static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5486 struct proc_data *data;
5487 struct proc_dir_entry *dp = PDE(inode);
5488 struct net_device *dev = dp->data;
faf3994a 5489 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5490 char *ptr;
5491 BSSListRid BSSList_rid;
5492 int rc;
5493 /* If doLoseSync is not 1, we won't do a Lose Sync */
5494 int doLoseSync = -1;
5495
b69a3aa8 5496 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
1da177e4 5497 return -ENOMEM;
57674308 5498 data = file->private_data;
1da177e4
LT		 5499 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5500 kfree (file->private_data);
5501 return -ENOMEM;
5502 }
5503 data->writelen = 0;
5504 data->maxwritelen = 0;
5505 data->wbuffer = NULL;
5506 data->on_close = NULL;
5507
5508 if (file->f_mode & FMODE_WRITE) {
5509 if (!(file->f_mode & FMODE_READ)) {
5510 Cmd cmd;
5511 Resp rsp;
5512
5513 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5514 memset(&cmd, 0, sizeof(cmd));
5515 cmd.cmd=CMD_LISTBSS;
5516 if (down_interruptible(&ai->sem))
5517 return -ERESTARTSYS;
5518 issuecommand(ai, &cmd, &rsp);
5519 up(&ai->sem);
5520 data->readlen = 0;
5521 return 0;
5522 }
5523 doLoseSync = 1;
5524 }
5525 ptr = data->rbuffer;
5526 /* There is a race condition here if there are concurrent opens.
5527 Since it is a rare condition, we'll just live with it, otherwise
5528 we have to add a spin lock... */
5529 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
17e70491 5530 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
e174961c
JB		 5531 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5532 BSSList_rid.bssid,
1da177e4
LT		 5533 (int)BSSList_rid.ssidLen,
5534 BSSList_rid.ssid,
17e70491 5535 le16_to_cpu(BSSList_rid.dBm));
1da177e4 5536 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
17e70491 5537 le16_to_cpu(BSSList_rid.dsChannel),
1da177e4
LT		 5538 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5539 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5540 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5541 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5542 rc = readBSSListRid(ai, 0, &BSSList_rid);
5543 }
5544 *ptr = '\0';
5545 data->readlen = strlen( data->rbuffer );
5546 return 0;
5547}
5548
5549static int proc_close( struct inode *inode, struct file *file )
5550{
b4558ea9
JJ		 5551 struct proc_data *data = file->private_data;
5552
5553 if (data->on_close != NULL)
5554 data->on_close(inode, file);
5555 kfree(data->rbuffer);
5556 kfree(data->wbuffer);
5557 kfree(data);
1da177e4
LT		 5558 return 0;
5559}
5560
1da177e4
LT		 5561/* Since the card doesn't automatically switch to the right WEP mode,
5562 we will make it do it. If the card isn't associated, every secs we
5563 will switch WEP modes to see if that will help. If the card is
5564 associated we will check every minute to see if anything has
5565 changed. */
5566static void timer_func( struct net_device *dev ) {
faf3994a 5567 struct airo_info *apriv = dev->ml_priv;
1da177e4
LT		 5568
5569/* We don't have a link so try changing the authtype */
5570 readConfigRid(apriv, 0);
5571 disable_MAC(apriv, 0);
5572 switch(apriv->config.authType) {
5573 case AUTH_ENCRYPT:
5574/* So drop to OPEN */
5575 apriv->config.authType = AUTH_OPEN;
5576 break;
5577 case AUTH_SHAREDKEY:
5578 if (apriv->keyindex < auto_wep) {
c0380693 5579 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
1da177e4
LT		 5580 apriv->config.authType = AUTH_SHAREDKEY;
5581 apriv->keyindex++;
5582 } else {
5583 /* Drop to ENCRYPT */
5584 apriv->keyindex = 0;
c0380693 5585 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
1da177e4
LT		 5586 apriv->config.authType = AUTH_ENCRYPT;
5587 }
5588 break;
5589 default: /* We'll escalate to SHAREDKEY */
5590 apriv->config.authType = AUTH_SHAREDKEY;
5591 }
5592 set_bit (FLAG_COMMIT, &apriv->flags);
5593 writeConfigRid(apriv, 0);
175ec1a1 5594 enable_MAC(apriv, 0);
1da177e4
LT		 5595 up(&apriv->sem);
5596
5597/* Schedule check to see if the change worked */
3c304956 5598 clear_bit(JOB_AUTOWEP, &apriv->jobs);
1da177e4
LT		 5599 apriv->expires = RUN_AT(HZ*3);
5600}
5601
1da177e4
LT		 5602#ifdef CONFIG_PCI
5603static int __devinit airo_pci_probe(struct pci_dev *pdev,
5604 const struct pci_device_id *pent)
5605{
5606 struct net_device *dev;
5607
5608 if (pci_enable_device(pdev))
5609 return -ENODEV;
5610 pci_set_master(pdev);
5611
5612 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5613 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5614 else
5615 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
777ec5e9
MS		 5616 if (!dev) {
5617 pci_disable_device(pdev);
1da177e4 5618 return -ENODEV;
777ec5e9 5619 }
1da177e4
LT		 5620
5621 pci_set_drvdata(pdev, dev);
5622 return 0;
5623}
5624
5625static void __devexit airo_pci_remove(struct pci_dev *pdev)
5626{
af5b5c9a
MS		 5627 struct net_device *dev = pci_get_drvdata(pdev);
5628
5629 airo_print_info(dev->name, "Unregistering...");
5630 stop_airo_card(dev, 1);
777ec5e9
MS		 5631 pci_disable_device(pdev);
5632 pci_set_drvdata(pdev, NULL);
1da177e4
LT		 5633}
5634
05adc3b7 5635static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4
LT		 5636{
5637 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5638 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 5639 Cmd cmd;
5640 Resp rsp;
5641
e292c737
PM		 5642 if (!ai->APList)
5643 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5644 if (!ai->APList)
1da177e4 5645 return -ENOMEM;
e292c737
PM		 5646 if (!ai->SSID)
5647 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5648 if (!ai->SSID)
1da177e4
LT		 5649 return -ENOMEM;
5650 readAPListRid(ai, ai->APList);
5651 readSsidRid(ai, ai->SSID);
5652 memset(&cmd, 0, sizeof(cmd));
5653 /* the lock will be released at the end of the resume callback */
5654 if (down_interruptible(&ai->sem))
5655 return -EAGAIN;
5656 disable_MAC(ai, 0);
5657 netif_device_detach(dev);
5658 ai->power = state;
e292c737 5659 cmd.cmd = HOSTSLEEP;
1da177e4
LT		 5660 issuecommand(ai, &cmd, &rsp);
5661
1cc68ae0 5662 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
1da177e4 5663 pci_save_state(pdev);
40b93ad6
MC		 5664 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5665 return 0;
1da177e4
LT		 5666}
5667
5668static int airo_pci_resume(struct pci_dev *pdev)
5669{
5670 struct net_device *dev = pci_get_drvdata(pdev);
faf3994a 5671 struct airo_info *ai = dev->ml_priv;
53232803 5672 pci_power_t prev_state = pdev->current_state;
1da177e4 5673
53232803 5674 pci_set_power_state(pdev, PCI_D0);
1da177e4 5675 pci_restore_state(pdev);
53232803 5676 pci_enable_wake(pdev, PCI_D0, 0);
1da177e4 5677
53232803 5678 if (prev_state != PCI_D1) {
1da177e4
LT		 5679 reset_card(dev, 0);
5680 mpi_init_descriptors(ai);
5681 setup_card(ai, dev->dev_addr, 0);
5682 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5683 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5684 } else {
5685 OUT4500(ai, EVACK, EV_AWAKEN);
5686 OUT4500(ai, EVACK, EV_AWAKEN);
5687 msleep(100);
5688 }
5689
e292c737 5690 set_bit(FLAG_COMMIT, &ai->flags);
1da177e4
LT		 5691 disable_MAC(ai, 0);
5692 msleep(200);
5693 if (ai->SSID) {
5694 writeSsidRid(ai, ai->SSID, 0);
5695 kfree(ai->SSID);
5696 ai->SSID = NULL;
5697 }
5698 if (ai->APList) {
5699 writeAPListRid(ai, ai->APList, 0);
5700 kfree(ai->APList);
5701 ai->APList = NULL;
5702 }
5703 writeConfigRid(ai, 0);
175ec1a1 5704 enable_MAC(ai, 0);
1cc68ae0 5705 ai->power = PMSG_ON;
1da177e4
LT		 5706 netif_device_attach(dev);
5707 netif_wake_queue(dev);
5708 enable_interrupts(ai);
5709 up(&ai->sem);
5710 return 0;
5711}
5712#endif
5713
5714static int __init airo_init_module( void )
5715{
de897881 5716 int i;
1da177e4 5717
928b4d8c 5718 airo_entry = create_proc_entry("driver/aironet",
1da177e4 5719 S_IFDIR | airo_perm,
928b4d8c 5720 NULL);
de897881
JG		 5721
5722 if (airo_entry) {
5723 airo_entry->uid = proc_uid;
5724 airo_entry->gid = proc_gid;
5725 }
1da177e4 5726
e292c737 5727 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
934d8bf1
DW		 5728 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5729 "io=0x%x", irq[i], io[i] );
1da177e4 5730 if (init_airo_card( irq[i], io[i], 0, NULL ))
de897881 5731 /* do nothing */ ;
1da177e4
LT		 5732 }
5733
5734#ifdef CONFIG_PCI
934d8bf1 5735 airo_print_info("", "Probing for PCI adapters");
de897881 5736 i = pci_register_driver(&airo_driver);
934d8bf1 5737 airo_print_info("", "Finished probing for PCI adapters");
de897881
JG		 5738
5739 if (i) {
928b4d8c 5740 remove_proc_entry("driver/aironet", NULL);
de897881
JG		 5741 return i;
5742 }
1da177e4
LT		 5743#endif
5744
5745 /* Always exit with success, as we are a library module
5746 * as well as a driver module
5747 */
5748 return 0;
5749}
5750
5751static void __exit airo_cleanup_module( void )
5752{
af5b5c9a
MS		 5753 struct airo_info *ai;
5754 while(!list_empty(&airo_devices)) {
5755 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5756 airo_print_info(ai->dev->name, "Unregistering...");
5757 stop_airo_card(ai->dev, 1);
1da177e4
LT		 5758 }
5759#ifdef CONFIG_PCI
5760 pci_unregister_driver(&airo_driver);
5761#endif
928b4d8c 5762 remove_proc_entry("driver/aironet", NULL);
1da177e4
LT		 5763}
5764
1da177e4
LT		 5765/*
5766 * Initial Wireless Extension code for Aironet driver by :
5767 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5768 * Conversion to new driver API by :
5769 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5770 * Javier also did a good amount of work here, adding some new extensions
5771 * and fixing my code. Let's just say that without him this code just
5772 * would not work at all... - Jean II
5773 */
5774
41480af2
DW		 5775static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5776{
e292c737 5777 if (!rssi_rid)
41480af2
DW		 5778 return 0;
5779
5780 return (0x100 - rssi_rid[rssi].rssidBm);
5781}
5782
5783static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5784{
5785 int i;
5786
e292c737 5787 if (!rssi_rid)
41480af2
DW		 5788 return 0;
5789
e292c737 5790 for (i = 0; i < 256; i++)
41480af2
DW		 5791 if (rssi_rid[i].rssidBm == dbm)
5792 return rssi_rid[i].rssipct;
5793
5794 return 0;
5795}
5796
5797
1da177e4
LT		 5798static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5799{
5800 int quality = 0;
329e2c00 5801 u16 sq;
1da177e4 5802
329e2c00 5803 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
56d81bd3
AV		 5804 return 0;
5805
5806 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5807 return 0;
5808
329e2c00 5809 sq = le16_to_cpu(status_rid->signalQuality);
56d81bd3 5810 if (memcmp(cap_rid->prodName, "350", 3))
329e2c00 5811 if (sq > 0x20)
56d81bd3 5812 quality = 0;
1da177e4 5813 else
329e2c00 5814 quality = 0x20 - sq;
56d81bd3 5815 else
329e2c00 5816 if (sq > 0xb0)
56d81bd3 5817 quality = 0;
329e2c00 5818 else if (sq < 0x10)
56d81bd3
AV		 5819 quality = 0xa0;
5820 else
329e2c00 5821 quality = 0xb0 - sq;
1da177e4
LT		 5822 return quality;
5823}
5824
5825#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5826#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5827
5828/*------------------------------------------------------------------*/
5829/*
5830 * Wireless Handler : get protocol name
5831 */
5832static int airo_get_name(struct net_device *dev,
5833 struct iw_request_info *info,
5834 char *cwrq,
5835 char *extra)
5836{
5837 strcpy(cwrq, "IEEE 802.11-DS");
5838 return 0;
5839}
5840
5841/*------------------------------------------------------------------*/
5842/*
5843 * Wireless Handler : set frequency
5844 */
5845static int airo_set_freq(struct net_device *dev,
5846 struct iw_request_info *info,
5847 struct iw_freq *fwrq,
5848 char *extra)
5849{
faf3994a 5850 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5851 int rc = -EINPROGRESS; /* Call commit handler */
5852
5853 /* If setting by frequency, convert to a channel */
9ee677c2 5854 if(fwrq->e == 1) {
1da177e4 5855 int f = fwrq->m / 100000;
9ee677c2 5856
1da177e4
LT		 5857 /* Hack to fall through... */
5858 fwrq->e = 0;
9ee677c2 5859 fwrq->m = ieee80211_freq_to_dsss_chan(f);
1da177e4
LT		 5860 }
5861 /* Setting by channel number */
5862 if((fwrq->m > 1000) || (fwrq->e > 0))
5863 rc = -EOPNOTSUPP;
5864 else {
5865 int channel = fwrq->m;
5866 /* We should do a better check than that,
5867 * based on the card capability !!! */
2610c733 5868 if((channel < 1) || (channel > 14)) {
934d8bf1
DW		 5869 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5870 fwrq->m);
1da177e4
LT		 5871 rc = -EINVAL;
5872 } else {
5873 readConfigRid(local, 1);
5874 /* Yes ! We can set it !!! */
3eb9b41f 5875 local->config.channelSet = cpu_to_le16(channel);
1da177e4
LT		 5876 set_bit (FLAG_COMMIT, &local->flags);
5877 }
5878 }
5879 return rc;
5880}
5881
5882/*------------------------------------------------------------------*/
5883/*
5884 * Wireless Handler : get frequency
5885 */
5886static int airo_get_freq(struct net_device *dev,
5887 struct iw_request_info *info,
5888 struct iw_freq *fwrq,
5889 char *extra)
5890{
faf3994a 5891 struct airo_info *local = dev->ml_priv;
1da177e4 5892 StatusRid status_rid; /* Card status info */
2610c733 5893 int ch;
1da177e4
LT		 5894
5895 readConfigRid(local, 1);
3eb9b41f
AV		 5896 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5897 status_rid.channel = local->config.channelSet;
1da177e4
LT		 5898 else
5899 readStatusRid(local, &status_rid, 1);
5900
329e2c00 5901 ch = le16_to_cpu(status_rid.channel);
2610c733 5902 if((ch > 0) && (ch < 15)) {
9ee677c2 5903 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
1da177e4 5904 fwrq->e = 1;
2610c733
JA		 5905 } else {
5906 fwrq->m = ch;
5907 fwrq->e = 0;
1da177e4 5908 }
1da177e4
LT		 5909
5910 return 0;
5911}
5912
5913/*------------------------------------------------------------------*/
5914/*
5915 * Wireless Handler : set ESSID
5916 */
5917static int airo_set_essid(struct net_device *dev,
5918 struct iw_request_info *info,
5919 struct iw_point *dwrq,
5920 char *extra)
5921{
faf3994a 5922 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5923 SsidRid SSID_rid; /* SSIDs */
5924
5925 /* Reload the list of current SSID */
5926 readSsidRid(local, &SSID_rid);
5927
5928 /* Check if we asked for `any' */
3d0ccd02 5929 if (dwrq->flags == 0) {
1da177e4
LT		 5930 /* Just send an empty SSID list */
5931 memset(&SSID_rid, 0, sizeof(SSID_rid));
5932 } else {
3d0ccd02 5933 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1da177e4
LT		 5934
5935 /* Check the size of the string */
3d0ccd02 5936 if (dwrq->length > IW_ESSID_MAX_SIZE)
1da177e4 5937 return -E2BIG ;
3d0ccd02 5938
1da177e4 5939 /* Check if index is valid */
3d0ccd02 5940 if (index >= ARRAY_SIZE(SSID_rid.ssids))
1da177e4 5941 return -EINVAL;
1da177e4
LT		 5942
5943 /* Set the SSID */
5944 memset(SSID_rid.ssids[index].ssid, 0,
5945 sizeof(SSID_rid.ssids[index].ssid));
5946 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
0dd2212f 5947 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
1da177e4 5948 }
0dd2212f 5949 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
1da177e4
LT		 5950 /* Write it to the card */
5951 disable_MAC(local, 1);
5952 writeSsidRid(local, &SSID_rid, 1);
175ec1a1 5953 enable_MAC(local, 1);
1da177e4
LT		 5954
5955 return 0;
5956}
5957
5958/*------------------------------------------------------------------*/
5959/*
5960 * Wireless Handler : get ESSID
5961 */
5962static int airo_get_essid(struct net_device *dev,
5963 struct iw_request_info *info,
5964 struct iw_point *dwrq,
5965 char *extra)
5966{
faf3994a 5967 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5968 StatusRid status_rid; /* Card status info */
5969
5970 readStatusRid(local, &status_rid, 1);
5971
5972 /* Note : if dwrq->flags != 0, we should
5973 * get the relevant SSID from the SSID list... */
5974
5975 /* Get the current SSID */
329e2c00 5976 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
1da177e4
LT		 5977 /* If none, we may want to get the one that was set */
5978
5979 /* Push it out ! */
329e2c00 5980 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
1da177e4
LT		 5981 dwrq->flags = 1; /* active */
5982
5983 return 0;
5984}
5985
5986/*------------------------------------------------------------------*/
5987/*
5988 * Wireless Handler : set AP address
5989 */
5990static int airo_set_wap(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct sockaddr *awrq,
5993 char *extra)
5994{
faf3994a 5995 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 5996 Cmd cmd;
5997 Resp rsp;
5998 APListRid APList_rid;
4be757dd
DW		 5999 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
6000 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1da177e4
LT		 6001
6002 if (awrq->sa_family != ARPHRD_ETHER)
6003 return -EINVAL;
4be757dd
DW		 6004 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6005 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
1da177e4
LT		 6006 memset(&cmd, 0, sizeof(cmd));
6007 cmd.cmd=CMD_LOSE_SYNC;
6008 if (down_interruptible(&local->sem))
6009 return -ERESTARTSYS;
6010 issuecommand(local, &cmd, &rsp);
6011 up(&local->sem);
6012 } else {
6013 memset(&APList_rid, 0, sizeof(APList_rid));
a749716e 6014 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
1da177e4
LT		 6015 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6016 disable_MAC(local, 1);
6017 writeAPListRid(local, &APList_rid, 1);
175ec1a1 6018 enable_MAC(local, 1);
1da177e4
LT		 6019 }
6020 return 0;
6021}
6022
6023/*------------------------------------------------------------------*/
6024/*
6025 * Wireless Handler : get AP address
6026 */
6027static int airo_get_wap(struct net_device *dev,
6028 struct iw_request_info *info,
6029 struct sockaddr *awrq,
6030 char *extra)
6031{
faf3994a 6032 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6033 StatusRid status_rid; /* Card status info */
6034
6035 readStatusRid(local, &status_rid, 1);
6036
6037 /* Tentative. This seems to work, wow, I'm lucky !!! */
6038 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6039 awrq->sa_family = ARPHRD_ETHER;
6040
6041 return 0;
6042}
6043
6044/*------------------------------------------------------------------*/
6045/*
6046 * Wireless Handler : set Nickname
6047 */
6048static int airo_set_nick(struct net_device *dev,
6049 struct iw_request_info *info,
6050 struct iw_point *dwrq,
6051 char *extra)
6052{
faf3994a 6053 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6054
6055 /* Check the size of the string */
7f8544cc 6056 if(dwrq->length > 16) {
1da177e4
LT		 6057 return -E2BIG;
6058 }
6059 readConfigRid(local, 1);
6060 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6061 memcpy(local->config.nodeName, extra, dwrq->length);
6062 set_bit (FLAG_COMMIT, &local->flags);
6063
6064 return -EINPROGRESS; /* Call commit handler */
6065}
6066
6067/*------------------------------------------------------------------*/
6068/*
6069 * Wireless Handler : get Nickname
6070 */
6071static int airo_get_nick(struct net_device *dev,
6072 struct iw_request_info *info,
6073 struct iw_point *dwrq,
6074 char *extra)
6075{
faf3994a 6076 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6077
6078 readConfigRid(local, 1);
6079 strncpy(extra, local->config.nodeName, 16);
6080 extra[16] = '\0';
7f8544cc 6081 dwrq->length = strlen(extra);
1da177e4
LT		 6082
6083 return 0;
6084}
6085
6086/*------------------------------------------------------------------*/
6087/*
6088 * Wireless Handler : set Bit-Rate
6089 */
6090static int airo_set_rate(struct net_device *dev,
6091 struct iw_request_info *info,
6092 struct iw_param *vwrq,
6093 char *extra)
6094{
faf3994a 6095 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6096 CapabilityRid cap_rid; /* Card capability info */
6097 u8 brate = 0;
6098 int i;
6099
6100 /* First : get a valid bit rate value */
6101 readCapabilityRid(local, &cap_rid, 1);
6102
6103 /* Which type of value ? */
6104 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6105 /* Setting by rate index */
6106 /* Find value in the magic rate table */
6107 brate = cap_rid.supportedRates[vwrq->value];
6108 } else {
6109 /* Setting by frequency value */
6110 u8 normvalue = (u8) (vwrq->value/500000);
6111
6112 /* Check if rate is valid */
6113 for(i = 0 ; i < 8 ; i++) {
6114 if(normvalue == cap_rid.supportedRates[i]) {
6115 brate = normvalue;
6116 break;
6117 }
6118 }
6119 }
6120 /* -1 designed the max rate (mostly auto mode) */
6121 if(vwrq->value == -1) {
6122 /* Get the highest available rate */
6123 for(i = 0 ; i < 8 ; i++) {
6124 if(cap_rid.supportedRates[i] == 0)
6125 break;
6126 }
6127 if(i != 0)
6128 brate = cap_rid.supportedRates[i - 1];
6129 }
6130 /* Check that it is valid */
6131 if(brate == 0) {
6132 return -EINVAL;
6133 }
6134
6135 readConfigRid(local, 1);
6136 /* Now, check if we want a fixed or auto value */
6137 if(vwrq->fixed == 0) {
6138 /* Fill all the rates up to this max rate */
6139 memset(local->config.rates, 0, 8);
6140 for(i = 0 ; i < 8 ; i++) {
6141 local->config.rates[i] = cap_rid.supportedRates[i];
6142 if(local->config.rates[i] == brate)
6143 break;
6144 }
6145 } else {
6146 /* Fixed mode */
6147 /* One rate, fixed */
6148 memset(local->config.rates, 0, 8);
6149 local->config.rates[0] = brate;
6150 }
6151 set_bit (FLAG_COMMIT, &local->flags);
6152
6153 return -EINPROGRESS; /* Call commit handler */
6154}
6155
6156/*------------------------------------------------------------------*/
6157/*
6158 * Wireless Handler : get Bit-Rate
6159 */
6160static int airo_get_rate(struct net_device *dev,
6161 struct iw_request_info *info,
6162 struct iw_param *vwrq,
6163 char *extra)
6164{
faf3994a 6165 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6166 StatusRid status_rid; /* Card status info */
6167
6168 readStatusRid(local, &status_rid, 1);
6169
329e2c00 6170 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
1da177e4
LT		 6171 /* If more than one rate, set auto */
6172 readConfigRid(local, 1);
6173 vwrq->fixed = (local->config.rates[1] == 0);
6174
6175 return 0;
6176}
6177
6178/*------------------------------------------------------------------*/
6179/*
6180 * Wireless Handler : set RTS threshold
6181 */
6182static int airo_set_rts(struct net_device *dev,
6183 struct iw_request_info *info,
6184 struct iw_param *vwrq,
6185 char *extra)
6186{
faf3994a 6187 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6188 int rthr = vwrq->value;
6189
6190 if(vwrq->disabled)
15db2763
DW		 6191 rthr = AIRO_DEF_MTU;
6192 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6193 return -EINVAL;
6194 }
6195 readConfigRid(local, 1);
3eb9b41f 6196 local->config.rtsThres = cpu_to_le16(rthr);
1da177e4
LT		 6197 set_bit (FLAG_COMMIT, &local->flags);
6198
6199 return -EINPROGRESS; /* Call commit handler */
6200}
6201
6202/*------------------------------------------------------------------*/
6203/*
6204 * Wireless Handler : get RTS threshold
6205 */
6206static int airo_get_rts(struct net_device *dev,
6207 struct iw_request_info *info,
6208 struct iw_param *vwrq,
6209 char *extra)
6210{
faf3994a 6211 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6212
6213 readConfigRid(local, 1);
3eb9b41f 6214 vwrq->value = le16_to_cpu(local->config.rtsThres);
15db2763 6215 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6216 vwrq->fixed = 1;
6217
6218 return 0;
6219}
6220
6221/*------------------------------------------------------------------*/
6222/*
6223 * Wireless Handler : set Fragmentation threshold
6224 */
6225static int airo_set_frag(struct net_device *dev,
6226 struct iw_request_info *info,
6227 struct iw_param *vwrq,
6228 char *extra)
6229{
faf3994a 6230 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6231 int fthr = vwrq->value;
6232
6233 if(vwrq->disabled)
15db2763
DW		 6234 fthr = AIRO_DEF_MTU;
6235 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
1da177e4
LT		 6236 return -EINVAL;
6237 }
6238 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6239 readConfigRid(local, 1);
3eb9b41f 6240 local->config.fragThresh = cpu_to_le16(fthr);
1da177e4
LT		 6241 set_bit (FLAG_COMMIT, &local->flags);
6242
6243 return -EINPROGRESS; /* Call commit handler */
6244}
6245
6246/*------------------------------------------------------------------*/
6247/*
6248 * Wireless Handler : get Fragmentation threshold
6249 */
6250static int airo_get_frag(struct net_device *dev,
6251 struct iw_request_info *info,
6252 struct iw_param *vwrq,
6253 char *extra)
6254{
faf3994a 6255 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6256
6257 readConfigRid(local, 1);
3eb9b41f 6258 vwrq->value = le16_to_cpu(local->config.fragThresh);
15db2763 6259 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
1da177e4
LT		 6260 vwrq->fixed = 1;
6261
6262 return 0;
6263}
6264
6265/*------------------------------------------------------------------*/
6266/*
6267 * Wireless Handler : set Mode of Operation
6268 */
6269static int airo_set_mode(struct net_device *dev,
6270 struct iw_request_info *info,
6271 __u32 *uwrq,
6272 char *extra)
6273{
faf3994a 6274 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6275 int reset = 0;
6276
6277 readConfigRid(local, 1);
3eb9b41f 6278 if (sniffing_mode(local))
1da177e4
LT		 6279 reset = 1;
6280
6281 switch(*uwrq) {
6282 case IW_MODE_ADHOC:
3eb9b41f 6283 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6284 local->config.opmode |= MODE_STA_IBSS;
3eb9b41f 6285 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6286 local->config.scanMode = SCANMODE_ACTIVE;
6287 clear_bit (FLAG_802_11, &local->flags);
6288 break;
6289 case IW_MODE_INFRA:
3eb9b41f 6290 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6291 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6292 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6293 local->config.scanMode = SCANMODE_ACTIVE;
6294 clear_bit (FLAG_802_11, &local->flags);
6295 break;
6296 case IW_MODE_MASTER:
3eb9b41f 6297 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6298 local->config.opmode |= MODE_AP;
3eb9b41f 6299 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6300 local->config.scanMode = SCANMODE_ACTIVE;
6301 clear_bit (FLAG_802_11, &local->flags);
6302 break;
6303 case IW_MODE_REPEAT:
3eb9b41f 6304 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6305 local->config.opmode |= MODE_AP_RPTR;
3eb9b41f 6306 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6307 local->config.scanMode = SCANMODE_ACTIVE;
6308 clear_bit (FLAG_802_11, &local->flags);
6309 break;
6310 case IW_MODE_MONITOR:
3eb9b41f 6311 local->config.opmode &= ~MODE_CFG_MASK;
1da177e4 6312 local->config.opmode |= MODE_STA_ESS;
3eb9b41f 6313 local->config.rmode &= ~RXMODE_FULL_MASK;
1da177e4
LT		 6314 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6315 local->config.scanMode = SCANMODE_PASSIVE;
6316 set_bit (FLAG_802_11, &local->flags);
6317 break;
6318 default:
6319 return -EINVAL;
6320 }
6321 if (reset)
6322 set_bit (FLAG_RESET, &local->flags);
6323 set_bit (FLAG_COMMIT, &local->flags);
6324
6325 return -EINPROGRESS; /* Call commit handler */
6326}
6327
6328/*------------------------------------------------------------------*/
6329/*
6330 * Wireless Handler : get Mode of Operation
6331 */
6332static int airo_get_mode(struct net_device *dev,
6333 struct iw_request_info *info,
6334 __u32 *uwrq,
6335 char *extra)
6336{
faf3994a 6337 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6338
6339 readConfigRid(local, 1);
6340 /* If not managed, assume it's ad-hoc */
3eb9b41f 6341 switch (local->config.opmode & MODE_CFG_MASK) {
1da177e4
LT		 6342 case MODE_STA_ESS:
6343 *uwrq = IW_MODE_INFRA;
6344 break;
6345 case MODE_AP:
6346 *uwrq = IW_MODE_MASTER;
6347 break;
6348 case MODE_AP_RPTR:
6349 *uwrq = IW_MODE_REPEAT;
6350 break;
6351 default:
6352 *uwrq = IW_MODE_ADHOC;
6353 }
6354
6355 return 0;
6356}
6357
138c0c68 6358static inline int valid_index(struct airo_info *ai, int index)
56d81bd3 6359{
138c0c68 6360 return (index >= 0) && (index <= ai->max_wep_idx);
56d81bd3
AV		 6361}
6362
1da177e4
LT		 6363/*------------------------------------------------------------------*/
6364/*
6365 * Wireless Handler : set Encryption Key
6366 */
6367static int airo_set_encode(struct net_device *dev,
6368 struct iw_request_info *info,
6369 struct iw_point *dwrq,
6370 char *extra)
6371{
faf3994a 6372 struct airo_info *local = dev->ml_priv;
c0380693 6373 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
3eb9b41f 6374 __le16 currentAuthType = local->config.authType;
c0380693 6375 int rc = 0;
1da177e4 6376
138c0c68 6377 if (!local->wep_capable)
1da177e4 6378 return -EOPNOTSUPP;
138c0c68 6379
1da177e4
LT		 6380 readConfigRid(local, 1);
6381
6382 /* Basic checking: do we have a key to set ?
6383 * Note : with the new API, it's impossible to get a NULL pointer.
6384 * Therefore, we need to check a key size == 0 instead.
6385 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6386 * when no key is present (only change flags), but older versions
6387 * don't do it. - Jean II */
6388 if (dwrq->length > 0) {
6389 wep_key_t key;
6390 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693 6391 int current_index;
138c0c68 6392
1da177e4
LT		 6393 /* Check the size of the key */
6394 if (dwrq->length > MAX_KEY_SIZE) {
6395 return -EINVAL;
6396 }
138c0c68 6397
c0380693
DW		 6398 current_index = get_wep_tx_idx(local);
6399 if (current_index < 0)
6400 current_index = 0;
6401
1da177e4 6402 /* Check the index (none -> use current) */
138c0c68 6403 if (!valid_index(local, index))
1da177e4 6404 index = current_index;
138c0c68 6405
1da177e4
LT		 6406 /* Set the length */
6407 if (dwrq->length > MIN_KEY_SIZE)
6408 key.len = MAX_KEY_SIZE;
6409 else
f09c2563 6410 key.len = MIN_KEY_SIZE;
1da177e4
LT		 6411 /* Check if the key is not marked as invalid */
6412 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6413 /* Cleanup */
6414 memset(key.key, 0, MAX_KEY_SIZE);
6415 /* Copy the key in the driver */
6416 memcpy(key.key, extra, dwrq->length);
6417 /* Send the key to the card */
c0380693
DW		 6418 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6419 if (rc < 0) {
6420 airo_print_err(local->dev->name, "failed to set"
6421 " WEP key at index %d: %d.",
6422 index, rc);
6423 return rc;
6424 }
1da177e4
LT		 6425 }
6426 /* WE specify that if a valid key is set, encryption
6427 * should be enabled (user may turn it off later)
6428 * This is also how "iwconfig ethX key on" works */
6429 if((index == current_index) && (key.len > 0) &&
6430 (local->config.authType == AUTH_OPEN)) {
6431 local->config.authType = AUTH_ENCRYPT;
1da177e4
LT		 6432 }
6433 } else {
6434 /* Do we want to just set the transmit key index ? */
6435 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
c0380693
DW		 6436 if (valid_index(local, index)) {
6437 rc = set_wep_tx_idx(local, index, perm, 1);
6438 if (rc < 0) {
6439 airo_print_err(local->dev->name, "failed to set"
6440 " WEP transmit index to %d: %d.",
6441 index, rc);
6442 return rc;
6443 }
6444 } else {
1da177e4 6445 /* Don't complain if only change the mode */
93a3b607 6446 if (!(dwrq->flags & IW_ENCODE_MODE))
1da177e4 6447 return -EINVAL;
138c0c68 6448 }
1da177e4
LT		 6449 }
6450 /* Read the flags */
6451 if(dwrq->flags & IW_ENCODE_DISABLED)
6452 local->config.authType = AUTH_OPEN; // disable encryption
6453 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6454 local->config.authType = AUTH_SHAREDKEY; // Only Both
6455 if(dwrq->flags & IW_ENCODE_OPEN)
6456 local->config.authType = AUTH_ENCRYPT; // Only Wep
6457 /* Commit the changes to flags if needed */
f89b2321 6458 if (local->config.authType != currentAuthType)
1da177e4
LT		 6459 set_bit (FLAG_COMMIT, &local->flags);
6460 return -EINPROGRESS; /* Call commit handler */
6461}
6462
6463/*------------------------------------------------------------------*/
6464/*
6465 * Wireless Handler : get Encryption Key
6466 */
6467static int airo_get_encode(struct net_device *dev,
6468 struct iw_request_info *info,
6469 struct iw_point *dwrq,
6470 char *extra)
6471{
faf3994a 6472 struct airo_info *local = dev->ml_priv;
1da177e4 6473 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
267d493b 6474 int wep_key_len;
c0380693 6475 u8 buf[16];
1da177e4 6476
138c0c68 6477 if (!local->wep_capable)
1da177e4 6478 return -EOPNOTSUPP;
138c0c68 6479
1da177e4 6480 readConfigRid(local, 1);
138c0c68 6481
1da177e4
LT		 6482 /* Check encryption mode */
6483 switch(local->config.authType) {
6484 case AUTH_ENCRYPT:
6485 dwrq->flags = IW_ENCODE_OPEN;
6486 break;
6487 case AUTH_SHAREDKEY:
6488 dwrq->flags = IW_ENCODE_RESTRICTED;
6489 break;
6490 default:
6491 case AUTH_OPEN:
6492 dwrq->flags = IW_ENCODE_DISABLED;
6493 break;
6494 }
6495 /* We can't return the key, so set the proper flag and return zero */
6496 dwrq->flags |= IW_ENCODE_NOKEY;
6497 memset(extra, 0, 16);
6498
6499 /* Which key do we want ? -1 -> tx index */
c0380693
DW		 6500 if (!valid_index(local, index)) {
6501 index = get_wep_tx_idx(local);
6502 if (index < 0)
6503 index = 0;
6504 }
1da177e4 6505 dwrq->flags |= index + 1;
c0380693 6506
1da177e4 6507 /* Copy the key to the user buffer */
267d493b
JL		 6508 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6509 if (wep_key_len < 0) {
aedec922 6510 dwrq->length = 0;
267d493b
JL		 6511 } else {
6512 dwrq->length = wep_key_len;
6513 memcpy(extra, buf, dwrq->length);
6514 }
c0380693 6515
1da177e4
LT		 6516 return 0;
6517}
6518
4be757dd
DW		 6519/*------------------------------------------------------------------*/
6520/*
6521 * Wireless Handler : set extended Encryption parameters
6522 */
6523static int airo_set_encodeext(struct net_device *dev,
6524 struct iw_request_info *info,
6525 union iwreq_data *wrqu,
6526 char *extra)
6527{
faf3994a 6528 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6529 struct iw_point *encoding = &wrqu->encoding;
6530 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
4be757dd 6531 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
3eb9b41f 6532 __le16 currentAuthType = local->config.authType;
c0380693 6533 int idx, key_len, alg = ext->alg, set_key = 1, rc;
4be757dd
DW		 6534 wep_key_t key;
6535
138c0c68 6536 if (!local->wep_capable)
4be757dd 6537 return -EOPNOTSUPP;
138c0c68 6538
4be757dd
DW		 6539 readConfigRid(local, 1);
6540
6541 /* Determine and validate the key index */
6542 idx = encoding->flags & IW_ENCODE_INDEX;
6543 if (idx) {
138c0c68 6544 if (!valid_index(local, idx - 1))
4be757dd
DW		 6545 return -EINVAL;
6546 idx--;
c0380693
DW		 6547 } else {
6548 idx = get_wep_tx_idx(local);
6549 if (idx < 0)
6550 idx = 0;
6551 }
4be757dd
DW		 6552
6553 if (encoding->flags & IW_ENCODE_DISABLED)
6554 alg = IW_ENCODE_ALG_NONE;
6555
4be757dd 6556 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
22d8846e
DW		 6557 /* Only set transmit key index here, actual
6558 * key is set below if needed.
6559 */
c0380693
DW		 6560 rc = set_wep_tx_idx(local, idx, perm, 1);
6561 if (rc < 0) {
6562 airo_print_err(local->dev->name, "failed to set "
6563 "WEP transmit index to %d: %d.",
6564 idx, rc);
6565 return rc;
6566 }
22d8846e
DW		 6567 set_key = ext->key_len > 0 ? 1 : 0;
6568 }
6569
6570 if (set_key) {
4be757dd
DW		 6571 /* Set the requested key first */
6572 memset(key.key, 0, MAX_KEY_SIZE);
6573 switch (alg) {
6574 case IW_ENCODE_ALG_NONE:
6575 key.len = 0;
6576 break;
6577 case IW_ENCODE_ALG_WEP:
6578 if (ext->key_len > MIN_KEY_SIZE) {
6579 key.len = MAX_KEY_SIZE;
6580 } else if (ext->key_len > 0) {
6581 key.len = MIN_KEY_SIZE;
6582 } else {
6583 return -EINVAL;
6584 }
6585 key_len = min (ext->key_len, key.len);
6586 memcpy(key.key, ext->key, key_len);
6587 break;
6588 default:
6589 return -EINVAL;
6590 }
f09c2563
SG		 6591 if (key.len == 0) {
6592 rc = set_wep_tx_idx(local, idx, perm, 1);
6593 if (rc < 0) {
6594 airo_print_err(local->dev->name,
6595 "failed to set WEP transmit index to %d: %d.",
6596 idx, rc);
6597 return rc;
6598 }
6599 } else {
6600 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6601 if (rc < 0) {
6602 airo_print_err(local->dev->name,
6603 "failed to set WEP key at index %d: %d.",
6604 idx, rc);
6605 return rc;
6606 }
c0380693 6607 }
4be757dd
DW		 6608 }
6609
6610 /* Read the flags */
6611 if(encoding->flags & IW_ENCODE_DISABLED)
6612 local->config.authType = AUTH_OPEN; // disable encryption
6613 if(encoding->flags & IW_ENCODE_RESTRICTED)
6614 local->config.authType = AUTH_SHAREDKEY; // Only Both
6615 if(encoding->flags & IW_ENCODE_OPEN)
6616 local->config.authType = AUTH_ENCRYPT; // Only Wep
6617 /* Commit the changes to flags if needed */
6618 if (local->config.authType != currentAuthType)
6619 set_bit (FLAG_COMMIT, &local->flags);
6620
6621 return -EINPROGRESS;
6622}
6623
6624
6625/*------------------------------------------------------------------*/
6626/*
6627 * Wireless Handler : get extended Encryption parameters
6628 */
6629static int airo_get_encodeext(struct net_device *dev,
6630 struct iw_request_info *info,
6631 union iwreq_data *wrqu,
6632 char *extra)
6633{
faf3994a 6634 struct airo_info *local = dev->ml_priv;
4be757dd
DW		 6635 struct iw_point *encoding = &wrqu->encoding;
6636 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
267d493b 6637 int idx, max_key_len, wep_key_len;
c0380693 6638 u8 buf[16];
4be757dd 6639
138c0c68 6640 if (!local->wep_capable)
4be757dd 6641 return -EOPNOTSUPP;
138c0c68 6642
4be757dd
DW		 6643 readConfigRid(local, 1);
6644
6645 max_key_len = encoding->length - sizeof(*ext);
6646 if (max_key_len < 0)
6647 return -EINVAL;
6648
6649 idx = encoding->flags & IW_ENCODE_INDEX;
6650 if (idx) {
138c0c68 6651 if (!valid_index(local, idx - 1))
4be757dd
DW		 6652 return -EINVAL;
6653 idx--;
c0380693
DW		 6654 } else {
6655 idx = get_wep_tx_idx(local);
6656 if (idx < 0)
6657 idx = 0;
6658 }
4be757dd
DW		 6659
6660 encoding->flags = idx + 1;
6661 memset(ext, 0, sizeof(*ext));
6662
6663 /* Check encryption mode */
6664 switch(local->config.authType) {
6665 case AUTH_ENCRYPT:
6666 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6667 break;
6668 case AUTH_SHAREDKEY:
6669 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6670 break;
6671 default:
6672 case AUTH_OPEN:
6673 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6674 break;
6675 }
6676 /* We can't return the key, so set the proper flag and return zero */
6677 encoding->flags |= IW_ENCODE_NOKEY;
6678 memset(extra, 0, 16);
6679
6680 /* Copy the key to the user buffer */
267d493b
JL		 6681 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6682 if (wep_key_len < 0) {
aedec922 6683 ext->key_len = 0;
267d493b
JL		 6684 } else {
6685 ext->key_len = wep_key_len;
6686 memcpy(extra, buf, ext->key_len);
6687 }
4be757dd
DW		 6688
6689 return 0;
6690}
6691
6692
6693/*------------------------------------------------------------------*/
6694/*
6695 * Wireless Handler : set extended authentication parameters
6696 */
6697static int airo_set_auth(struct net_device *dev,
6698 struct iw_request_info *info,
6699 union iwreq_data *wrqu, char *extra)
6700{
faf3994a 6701 struct airo_info *local = dev->ml_priv;
4be757dd 6702 struct iw_param *param = &wrqu->param;
3eb9b41f 6703 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6704
6705 switch (param->flags & IW_AUTH_INDEX) {
6706 case IW_AUTH_WPA_VERSION:
6707 case IW_AUTH_CIPHER_PAIRWISE:
6708 case IW_AUTH_CIPHER_GROUP:
6709 case IW_AUTH_KEY_MGMT:
6710 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6711 case IW_AUTH_PRIVACY_INVOKED:
6712 /*
6713 * airo does not use these parameters
6714 */
6715 break;
6716
6717 case IW_AUTH_DROP_UNENCRYPTED:
6718 if (param->value) {
6719 /* Only change auth type if unencrypted */
6720 if (currentAuthType == AUTH_OPEN)
6721 local->config.authType = AUTH_ENCRYPT;
6722 } else {
6723 local->config.authType = AUTH_OPEN;
6724 }
6725
6726 /* Commit the changes to flags if needed */
6727 if (local->config.authType != currentAuthType)
6728 set_bit (FLAG_COMMIT, &local->flags);
6729 break;
6730
6731 case IW_AUTH_80211_AUTH_ALG: {
6732 /* FIXME: What about AUTH_OPEN? This API seems to
6733 * disallow setting our auth to AUTH_OPEN.
6734 */
6735 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6736 local->config.authType = AUTH_SHAREDKEY;
6737 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6738 local->config.authType = AUTH_ENCRYPT;
6739 } else
6740 return -EINVAL;
4be757dd
DW		 6741
6742 /* Commit the changes to flags if needed */
6743 if (local->config.authType != currentAuthType)
6744 set_bit (FLAG_COMMIT, &local->flags);
011f5c5b 6745 break;
4be757dd
DW		 6746 }
6747
6748 case IW_AUTH_WPA_ENABLED:
6749 /* Silently accept disable of WPA */
6750 if (param->value > 0)
6751 return -EOPNOTSUPP;
6752 break;
6753
6754 default:
6755 return -EOPNOTSUPP;
6756 }
6757 return -EINPROGRESS;
6758}
6759
6760
6761/*------------------------------------------------------------------*/
6762/*
6763 * Wireless Handler : get extended authentication parameters
6764 */
6765static int airo_get_auth(struct net_device *dev,
6766 struct iw_request_info *info,
6767 union iwreq_data *wrqu, char *extra)
6768{
faf3994a 6769 struct airo_info *local = dev->ml_priv;
4be757dd 6770 struct iw_param *param = &wrqu->param;
3eb9b41f 6771 __le16 currentAuthType = local->config.authType;
4be757dd
DW		 6772
6773 switch (param->flags & IW_AUTH_INDEX) {
6774 case IW_AUTH_DROP_UNENCRYPTED:
6775 switch (currentAuthType) {
6776 case AUTH_SHAREDKEY:
6777 case AUTH_ENCRYPT:
6778 param->value = 1;
6779 break;
6780 default:
6781 param->value = 0;
6782 break;
6783 }
6784 break;
6785
6786 case IW_AUTH_80211_AUTH_ALG:
6787 switch (currentAuthType) {
6788 case AUTH_SHAREDKEY:
6789 param->value = IW_AUTH_ALG_SHARED_KEY;
6790 break;
6791 case AUTH_ENCRYPT:
6792 default:
6793 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6794 break;
6795 }
6796 break;
6797
6798 case IW_AUTH_WPA_ENABLED:
6799 param->value = 0;
6800 break;
6801
6802 default:
6803 return -EOPNOTSUPP;
6804 }
6805 return 0;
6806}
6807
6808
1da177e4
LT		 6809/*------------------------------------------------------------------*/
6810/*
6811 * Wireless Handler : set Tx-Power
6812 */
6813static int airo_set_txpow(struct net_device *dev,
6814 struct iw_request_info *info,
6815 struct iw_param *vwrq,
6816 char *extra)
6817{
faf3994a 6818 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6819 CapabilityRid cap_rid; /* Card capability info */
6820 int i;
6821 int rc = -EINVAL;
3eb9b41f 6822 __le16 v = cpu_to_le16(vwrq->value);
1da177e4
LT		 6823
6824 readCapabilityRid(local, &cap_rid, 1);
6825
6826 if (vwrq->disabled) {
6827 set_bit (FLAG_RADIO_OFF, &local->flags);
6828 set_bit (FLAG_COMMIT, &local->flags);
6829 return -EINPROGRESS; /* Call commit handler */
6830 }
6831 if (vwrq->flags != IW_TXPOW_MWATT) {
6832 return -EINVAL;
6833 }
6834 clear_bit (FLAG_RADIO_OFF, &local->flags);
3d0ccd02 6835 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
3eb9b41f 6836 if (v == cap_rid.txPowerLevels[i]) {
1da177e4 6837 readConfigRid(local, 1);
3eb9b41f 6838 local->config.txPower = v;
1da177e4
LT		 6839 set_bit (FLAG_COMMIT, &local->flags);
6840 rc = -EINPROGRESS; /* Call commit handler */
6841 break;
6842 }
6843 return rc;
6844}
6845
6846/*------------------------------------------------------------------*/
6847/*
6848 * Wireless Handler : get Tx-Power
6849 */
6850static int airo_get_txpow(struct net_device *dev,
6851 struct iw_request_info *info,
6852 struct iw_param *vwrq,
6853 char *extra)
6854{
faf3994a 6855 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6856
6857 readConfigRid(local, 1);
3eb9b41f 6858 vwrq->value = le16_to_cpu(local->config.txPower);
1da177e4
LT		 6859 vwrq->fixed = 1; /* No power control */
6860 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6861 vwrq->flags = IW_TXPOW_MWATT;
6862
6863 return 0;
6864}
6865
6866/*------------------------------------------------------------------*/
6867/*
6868 * Wireless Handler : set Retry limits
6869 */
6870static int airo_set_retry(struct net_device *dev,
6871 struct iw_request_info *info,
6872 struct iw_param *vwrq,
6873 char *extra)
6874{
faf3994a 6875 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6876 int rc = -EINVAL;
6877
6878 if(vwrq->disabled) {
6879 return -EINVAL;
6880 }
6881 readConfigRid(local, 1);
6882 if(vwrq->flags & IW_RETRY_LIMIT) {
3eb9b41f 6883 __le16 v = cpu_to_le16(vwrq->value);
7f8544cc 6884 if(vwrq->flags & IW_RETRY_LONG)
3eb9b41f 6885 local->config.longRetryLimit = v;
7f8544cc 6886 else if (vwrq->flags & IW_RETRY_SHORT)
3eb9b41f 6887 local->config.shortRetryLimit = v;
1da177e4
LT		 6888 else {
6889 /* No modifier : set both */
3eb9b41f
AV		 6890 local->config.longRetryLimit = v;
6891 local->config.shortRetryLimit = v;
1da177e4
LT		 6892 }
6893 set_bit (FLAG_COMMIT, &local->flags);
6894 rc = -EINPROGRESS; /* Call commit handler */
6895 }
6896 if(vwrq->flags & IW_RETRY_LIFETIME) {
3eb9b41f 6897 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
1da177e4
LT		 6898 set_bit (FLAG_COMMIT, &local->flags);
6899 rc = -EINPROGRESS; /* Call commit handler */
6900 }
6901 return rc;
6902}
6903
6904/*------------------------------------------------------------------*/
6905/*
6906 * Wireless Handler : get Retry limits
6907 */
6908static int airo_get_retry(struct net_device *dev,
6909 struct iw_request_info *info,
6910 struct iw_param *vwrq,
6911 char *extra)
6912{
faf3994a 6913 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6914
6915 vwrq->disabled = 0; /* Can't be disabled */
6916
6917 readConfigRid(local, 1);
6918 /* Note : by default, display the min retry number */
6919 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6920 vwrq->flags = IW_RETRY_LIFETIME;
3eb9b41f 6921 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
7f8544cc
JT		 6922 } else if((vwrq->flags & IW_RETRY_LONG)) {
6923 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
3eb9b41f 6924 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
1da177e4
LT		 6925 } else {
6926 vwrq->flags = IW_RETRY_LIMIT;
3eb9b41f
AV		 6927 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6928 if(local->config.shortRetryLimit != local->config.longRetryLimit)
7f8544cc 6929 vwrq->flags |= IW_RETRY_SHORT;
1da177e4
LT		 6930 }
6931
6932 return 0;
6933}
6934
6935/*------------------------------------------------------------------*/
6936/*
6937 * Wireless Handler : get range info
6938 */
6939static int airo_get_range(struct net_device *dev,
6940 struct iw_request_info *info,
6941 struct iw_point *dwrq,
6942 char *extra)
6943{
faf3994a 6944 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 6945 struct iw_range *range = (struct iw_range *) extra;
6946 CapabilityRid cap_rid; /* Card capability info */
6947 int i;
6948 int k;
6949
6950 readCapabilityRid(local, &cap_rid, 1);
6951
6952 dwrq->length = sizeof(struct iw_range);
6953 memset(range, 0, sizeof(*range));
6954 range->min_nwid = 0x0000;
6955 range->max_nwid = 0x0000;
6956 range->num_channels = 14;
6957 /* Should be based on cap_rid.country to give only
6958 * what the current card support */
6959 k = 0;
6960 for(i = 0; i < 14; i++) {
6961 range->freq[k].i = i + 1; /* List index */
9ee677c2
DK		 6962 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6963 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
1da177e4
LT		 6964 }
6965 range->num_frequency = k;
6966
41480af2
DW		 6967 range->sensitivity = 65535;
6968
1da177e4 6969 /* Hum... Should put the right values there */
41480af2
DW		 6970 if (local->rssi)
6971 range->max_qual.qual = 100; /* % */
6972 else
6973 range->max_qual.qual = airo_get_max_quality(&cap_rid);
ce6623c3
JT		 6974 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6975 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
41480af2
DW		 6976
6977 /* Experimental measurements - boundary 11/5.5 Mb/s */
6978 /* Note : with or without the (local->rssi), results
6979 * are somewhat different. - Jean II */
6980 if (local->rssi) {
ce6623c3
JT		 6981 range->avg_qual.qual = 50; /* % */
6982 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
41480af2
DW		 6983 } else {
6984 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
ce6623c3 6985 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
41480af2 6986 }
ce6623c3 6987 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
1da177e4
LT		 6988
6989 for(i = 0 ; i < 8 ; i++) {
6990 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6991 if(range->bitrate[i] == 0)
6992 break;
6993 }
6994 range->num_bitrates = i;
6995
6996 /* Set an indication of the max TCP throughput
6997 * in bit/s that we can expect using this interface.
6998 * May be use for QoS stuff... Jean II */
6999 if(i > 2)
7000 range->throughput = 5000 * 1000;
7001 else
7002 range->throughput = 1500 * 1000;
7003
7004 range->min_rts = 0;
15db2763 7005 range->max_rts = AIRO_DEF_MTU;
1da177e4 7006 range->min_frag = 256;
15db2763 7007 range->max_frag = AIRO_DEF_MTU;
1da177e4 7008
56d81bd3 7009 if(cap_rid.softCap & cpu_to_le16(2)) {
1da177e4
LT		 7010 // WEP: RC4 40 bits
7011 range->encoding_size[0] = 5;
7012 // RC4 ~128 bits
56d81bd3 7013 if (cap_rid.softCap & cpu_to_le16(0x100)) {
1da177e4
LT		 7014 range->encoding_size[1] = 13;
7015 range->num_encoding_sizes = 2;
7016 } else
7017 range->num_encoding_sizes = 1;
56d81bd3
AV		 7018 range->max_encoding_tokens =
7019 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
1da177e4
LT		 7020 } else {
7021 range->num_encoding_sizes = 0;
7022 range->max_encoding_tokens = 0;
7023 }
7024 range->min_pmp = 0;
7025 range->max_pmp = 5000000; /* 5 secs */
7026 range->min_pmt = 0;
7027 range->max_pmt = 65535 * 1024; /* ??? */
7028 range->pmp_flags = IW_POWER_PERIOD;
7029 range->pmt_flags = IW_POWER_TIMEOUT;
7030 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7031
7032 /* Transmit Power - values are in mW */
7033 for(i = 0 ; i < 8 ; i++) {
56d81bd3 7034 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
1da177e4
LT		 7035 if(range->txpower[i] == 0)
7036 break;
7037 }
7038 range->num_txpower = i;
7039 range->txpower_capa = IW_TXPOW_MWATT;
3c304956 7040 range->we_version_source = 19;
1da177e4
LT		 7041 range->we_version_compiled = WIRELESS_EXT;
7042 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7043 range->retry_flags = IW_RETRY_LIMIT;
7044 range->r_time_flags = IW_RETRY_LIFETIME;
7045 range->min_retry = 1;
7046 range->max_retry = 65535;
7047 range->min_r_time = 1024;
7048 range->max_r_time = 65535 * 1024;
1da177e4
LT		 7049
7050 /* Event capability (kernel + driver) */
7051 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7052 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7053 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7054 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7055 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7056 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7057 return 0;
7058}
7059
7060/*------------------------------------------------------------------*/
7061/*
7062 * Wireless Handler : set Power Management
7063 */
7064static int airo_set_power(struct net_device *dev,
7065 struct iw_request_info *info,
7066 struct iw_param *vwrq,
7067 char *extra)
7068{
faf3994a 7069 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7070
7071 readConfigRid(local, 1);
7072 if (vwrq->disabled) {
3eb9b41f 7073 if (sniffing_mode(local))
1da177e4 7074 return -EINVAL;
1da177e4 7075 local->config.powerSaveMode = POWERSAVE_CAM;
3eb9b41f 7076 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7077 local->config.rmode |= RXMODE_BC_MC_ADDR;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 return -EINPROGRESS; /* Call commit handler */
7080 }
7081 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7082 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7083 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7084 set_bit (FLAG_COMMIT, &local->flags);
7085 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
3eb9b41f
AV		 7086 local->config.fastListenInterval =
7087 local->config.listenInterval =
7088 cpu_to_le16((vwrq->value + 500) / 1024);
1da177e4
LT		 7089 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7090 set_bit (FLAG_COMMIT, &local->flags);
7091 }
7092 switch (vwrq->flags & IW_POWER_MODE) {
7093 case IW_POWER_UNICAST_R:
3eb9b41f 7094 if (sniffing_mode(local))
1da177e4 7095 return -EINVAL;
3eb9b41f 7096 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7097 local->config.rmode |= RXMODE_ADDR;
7098 set_bit (FLAG_COMMIT, &local->flags);
7099 break;
7100 case IW_POWER_ALL_R:
3eb9b41f 7101 if (sniffing_mode(local))
1da177e4 7102 return -EINVAL;
3eb9b41f 7103 local->config.rmode &= ~RXMODE_MASK;
1da177e4
LT		 7104 local->config.rmode |= RXMODE_BC_MC_ADDR;
7105 set_bit (FLAG_COMMIT, &local->flags);
7106 case IW_POWER_ON:
7f8544cc 7107 /* This is broken, fixme ;-) */
1da177e4
LT		 7108 break;
7109 default:
7110 return -EINVAL;
7111 }
7112 // Note : we may want to factor local->need_commit here
7113 // Note2 : may also want to factor RXMODE_RFMON test
7114 return -EINPROGRESS; /* Call commit handler */
7115}
7116
7117/*------------------------------------------------------------------*/
7118/*
7119 * Wireless Handler : get Power Management
7120 */
7121static int airo_get_power(struct net_device *dev,
7122 struct iw_request_info *info,
7123 struct iw_param *vwrq,
7124 char *extra)
7125{
faf3994a 7126 struct airo_info *local = dev->ml_priv;
3eb9b41f 7127 __le16 mode;
1da177e4
LT		 7128
7129 readConfigRid(local, 1);
7130 mode = local->config.powerSaveMode;
7131 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7132 return 0;
7133 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3eb9b41f 7134 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
1da177e4
LT		 7135 vwrq->flags = IW_POWER_TIMEOUT;
7136 } else {
3eb9b41f 7137 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
1da177e4
LT		 7138 vwrq->flags = IW_POWER_PERIOD;
7139 }
3eb9b41f 7140 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
1da177e4
LT		 7141 vwrq->flags |= IW_POWER_UNICAST_R;
7142 else
7143 vwrq->flags |= IW_POWER_ALL_R;
7144
7145 return 0;
7146}
7147
7148/*------------------------------------------------------------------*/
7149/*
7150 * Wireless Handler : set Sensitivity
7151 */
7152static int airo_set_sens(struct net_device *dev,
7153 struct iw_request_info *info,
7154 struct iw_param *vwrq,
7155 char *extra)
7156{
faf3994a 7157 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7158
7159 readConfigRid(local, 1);
3eb9b41f
AV		 7160 local->config.rssiThreshold =
7161 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
1da177e4
LT		 7162 set_bit (FLAG_COMMIT, &local->flags);
7163
7164 return -EINPROGRESS; /* Call commit handler */
7165}
7166
7167/*------------------------------------------------------------------*/
7168/*
7169 * Wireless Handler : get Sensitivity
7170 */
7171static int airo_get_sens(struct net_device *dev,
7172 struct iw_request_info *info,
7173 struct iw_param *vwrq,
7174 char *extra)
7175{
faf3994a 7176 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7177
7178 readConfigRid(local, 1);
3eb9b41f 7179 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
1da177e4
LT		 7180 vwrq->disabled = (vwrq->value == 0);
7181 vwrq->fixed = 1;
7182
7183 return 0;
7184}
7185
7186/*------------------------------------------------------------------*/
7187/*
7188 * Wireless Handler : get AP List
7189 * Note : this is deprecated in favor of IWSCAN
7190 */
7191static int airo_get_aplist(struct net_device *dev,
7192 struct iw_request_info *info,
7193 struct iw_point *dwrq,
7194 char *extra)
7195{
faf3994a 7196 struct airo_info *local = dev->ml_priv;
1da177e4 7197 struct sockaddr *address = (struct sockaddr *) extra;
998a5a7d 7198 struct iw_quality *qual;
1da177e4
LT		 7199 BSSListRid BSSList;
7200 int i;
7201 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7202
998a5a7d
FS		 7203 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7204 if (!qual)
7205 return -ENOMEM;
7206
1da177e4 7207 for (i = 0; i < IW_MAX_AP; i++) {
17e70491 7208 u16 dBm;
1da177e4
LT		 7209 if (readBSSListRid(local, loseSync, &BSSList))
7210 break;
7211 loseSync = 0;
7212 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7213 address[i].sa_family = ARPHRD_ETHER;
17e70491 7214 dBm = le16_to_cpu(BSSList.dBm);
41480af2 7215 if (local->rssi) {
17e70491
AV		 7216 qual[i].level = 0x100 - dBm;
7217 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
ce6623c3
JT		 7218 qual[i].updated = IW_QUAL_QUAL_UPDATED
7219 | IW_QUAL_LEVEL_UPDATED
7220 | IW_QUAL_DBM;
41480af2 7221 } else {
17e70491 7222 qual[i].level = (dBm + 321) / 2;
41480af2 7223 qual[i].qual = 0;
ce6623c3
JT		 7224 qual[i].updated = IW_QUAL_QUAL_INVALID
7225 | IW_QUAL_LEVEL_UPDATED
7226 | IW_QUAL_DBM;
41480af2
DW		 7227 }
7228 qual[i].noise = local->wstats.qual.noise;
17e70491 7229 if (BSSList.index == cpu_to_le16(0xffff))
1da177e4
LT		 7230 break;
7231 }
7232 if (!i) {
7233 StatusRid status_rid; /* Card status info */
7234 readStatusRid(local, &status_rid, 1);
7235 for (i = 0;
7236 i < min(IW_MAX_AP, 4) &&
7237 (status_rid.bssid[i][0]
7238 & status_rid.bssid[i][1]
7239 & status_rid.bssid[i][2]
7240 & status_rid.bssid[i][3]
7241 & status_rid.bssid[i][4]
7242 & status_rid.bssid[i][5])!=0xff &&
7243 (status_rid.bssid[i][0]
7244 | status_rid.bssid[i][1]
7245 | status_rid.bssid[i][2]
7246 | status_rid.bssid[i][3]
7247 | status_rid.bssid[i][4]
7248 | status_rid.bssid[i][5]);
7249 i++) {
7250 memcpy(address[i].sa_data,
7251 status_rid.bssid[i], ETH_ALEN);
7252 address[i].sa_family = ARPHRD_ETHER;
7253 }
7254 } else {
7255 dwrq->flags = 1; /* Should be define'd */
7256 memcpy(extra + sizeof(struct sockaddr)*i,
7257 &qual, sizeof(struct iw_quality)*i);
7258 }
7259 dwrq->length = i;
7260
998a5a7d 7261 kfree(qual);
1da177e4
LT		 7262 return 0;
7263}
7264
7265/*------------------------------------------------------------------*/
7266/*
7267 * Wireless Handler : Initiate Scan
7268 */
7269static int airo_set_scan(struct net_device *dev,
7270 struct iw_request_info *info,
9930ccee 7271 struct iw_point *dwrq,
1da177e4
LT		 7272 char *extra)
7273{
faf3994a 7274 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7275 Cmd cmd;
7276 Resp rsp;
9e75af30 7277 int wake = 0;
1da177e4
LT		 7278
7279 /* Note : you may have realised that, as this is a SET operation,
7280 * this is privileged and therefore a normal user can't
7281 * perform scanning.
7282 * This is not an error, while the device perform scanning,
7283 * traffic doesn't flow, so it's a perfect DoS...
7284 * Jean II */
7285 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7286
9e75af30
DW		 7287 if (down_interruptible(&ai->sem))
7288 return -ERESTARTSYS;
7289
7290 /* If there's already a scan in progress, don't
7291 * trigger another one. */
7292 if (ai->scan_timeout > 0)
7293 goto out;
7294
1da177e4 7295 /* Initiate a scan command */
6fcdf565 7296 ai->scan_timeout = RUN_AT(3*HZ);
1da177e4
LT		 7297 memset(&cmd, 0, sizeof(cmd));
7298 cmd.cmd=CMD_LISTBSS;
1da177e4 7299 issuecommand(ai, &cmd, &rsp);
9e75af30 7300 wake = 1;
1da177e4 7301
9e75af30
DW		 7302out:
7303 up(&ai->sem);
7304 if (wake)
7305 wake_up_interruptible(&ai->thr_wait);
1da177e4
LT		 7306 return 0;
7307}
7308
7309/*------------------------------------------------------------------*/
7310/*
7311 * Translate scan data returned from the card to a card independent
7312 * format that the Wireless Tools will understand - Jean II
7313 */
7314static inline char *airo_translate_scan(struct net_device *dev,
ccc58057 7315 struct iw_request_info *info,
1da177e4
LT		 7316 char *current_ev,
7317 char *end_buf,
41480af2 7318 BSSListRid *bss)
1da177e4 7319{
faf3994a 7320 struct airo_info *ai = dev->ml_priv;
1da177e4 7321 struct iw_event iwe; /* Temporary buffer */
17e70491 7322 __le16 capabilities;
1da177e4
LT		 7323 char * current_val; /* For rates */
7324 int i;
3c304956 7325 char * buf;
851b3e5e 7326 u16 dBm;
1da177e4
LT		 7327
7328 /* First entry *MUST* be the AP MAC address */
7329 iwe.cmd = SIOCGIWAP;
7330 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
41480af2 7331 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
ccc58057
DM		 7332 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7333 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 7334
7335 /* Other entries will be displayed in the order we give them */
7336
7337 /* Add the ESSID */
41480af2 7338 iwe.u.data.length = bss->ssidLen;
1da177e4
LT		 7339 if(iwe.u.data.length > 32)
7340 iwe.u.data.length = 32;
7341 iwe.cmd = SIOCGIWESSID;
7342 iwe.u.data.flags = 1;
ccc58057
DM		 7343 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7344 &iwe, bss->ssid);
1da177e4
LT		 7345
7346 /* Add mode */
7347 iwe.cmd = SIOCGIWMODE;
17e70491 7348 capabilities = bss->cap;
1da177e4
LT		 7349 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7350 if(capabilities & CAP_ESS)
7351 iwe.u.mode = IW_MODE_MASTER;
7352 else
7353 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 7354 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7355 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 7356 }
7357
7358 /* Add frequency */
7359 iwe.cmd = SIOCGIWFREQ;
41480af2 7360 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
9ee677c2 7361 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
1da177e4 7362 iwe.u.freq.e = 1;
ccc58057
DM		 7363 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7364 &iwe, IW_EV_FREQ_LEN);
1da177e4 7365
851b3e5e
AV		 7366 dBm = le16_to_cpu(bss->dBm);
7367
1da177e4
LT		 7368 /* Add quality statistics */
7369 iwe.cmd = IWEVQUAL;
41480af2 7370 if (ai->rssi) {
851b3e5e
AV		 7371 iwe.u.qual.level = 0x100 - dBm;
7372 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
ce6623c3
JT		 7373 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7374 | IW_QUAL_LEVEL_UPDATED
7375 | IW_QUAL_DBM;
41480af2 7376 } else {
851b3e5e 7377 iwe.u.qual.level = (dBm + 321) / 2;
41480af2 7378 iwe.u.qual.qual = 0;
bbeec90b 7379 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
ce6623c3
JT		 7380 | IW_QUAL_LEVEL_UPDATED
7381 | IW_QUAL_DBM;
41480af2
DW		 7382 }
7383 iwe.u.qual.noise = ai->wstats.qual.noise;
ccc58057
DM		 7384 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7385 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 7386
7387 /* Add encryption capability */
7388 iwe.cmd = SIOCGIWENCODE;
7389 if(capabilities & CAP_PRIVACY)
7390 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7391 else
7392 iwe.u.data.flags = IW_ENCODE_DISABLED;
7393 iwe.u.data.length = 0;
ccc58057
DM		 7394 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7395 &iwe, bss->ssid);
1da177e4
LT		 7396
7397 /* Rate : stuffing multiple values in a single event require a bit
7398 * more of magic - Jean II */
ccc58057 7399 current_val = current_ev + iwe_stream_lcp_len(info);
1da177e4
LT		 7400
7401 iwe.cmd = SIOCGIWRATE;
7402 /* Those two flags are ignored... */
7403 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7404 /* Max 8 values */
7405 for(i = 0 ; i < 8 ; i++) {
7406 /* NULL terminated */
41480af2 7407 if(bss->rates[i] == 0)
1da177e4
LT		 7408 break;
7409 /* Bit rate given in 500 kb/s units (+ 0x80) */
41480af2 7410 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
1da177e4 7411 /* Add new value to event */
ccc58057
DM		 7412 current_val = iwe_stream_add_value(info, current_ev,
7413 current_val, end_buf,
7414 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 7415 }
7416 /* Check if we added any event */
ccc58057 7417 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1da177e4
LT		 7418 current_ev = current_val;
7419
3c304956
DW		 7420 /* Beacon interval */
7421 buf = kmalloc(30, GFP_KERNEL);
7422 if (buf) {
7423 iwe.cmd = IWEVCUSTOM;
7424 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7425 iwe.u.data.length = strlen(buf);
ccc58057
DM		 7426 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7427 &iwe, buf);
3c304956
DW		 7428 kfree(buf);
7429 }
7430
7431 /* Put WPA/RSN Information Elements into the event stream */
7432 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7433 unsigned int num_null_ies = 0;
7434 u16 length = sizeof (bss->extra.iep);
2c706002 7435 u8 *ie = (void *)&bss->extra.iep;
3c304956 7436
2c706002
JB		 7437 while ((length >= 2) && (num_null_ies < 2)) {
7438 if (2 + ie[1] > length) {
3c304956
DW		 7439 /* Invalid element, don't continue parsing IE */
7440 break;
7441 }
7442
2c706002
JB		 7443 switch (ie[0]) {
7444 case WLAN_EID_SSID:
3c304956
DW		 7445 /* Two zero-length SSID elements
7446 * mean we're done parsing elements */
2c706002 7447 if (!ie[1])
3c304956
DW		 7448 num_null_ies++;
7449 break;
7450
2c706002
JB		 7451 case WLAN_EID_GENERIC:
7452 if (ie[1] >= 4 &&
7453 ie[2] == 0x00 &&
7454 ie[3] == 0x50 &&
7455 ie[4] == 0xf2 &&
7456 ie[5] == 0x01) {
3c304956 7457 iwe.cmd = IWEVGENIE;
2c706002
JB		 7458 /* 64 is an arbitrary cut-off */
7459 iwe.u.data.length = min(ie[1] + 2,
7460 64);
ccc58057
DM		 7461 current_ev = iwe_stream_add_point(
7462 info, current_ev,
2c706002 7463 end_buf, &iwe, ie);
3c304956
DW		 7464 }
7465 break;
7466
2c706002 7467 case WLAN_EID_RSN:
3c304956 7468 iwe.cmd = IWEVGENIE;
2c706002
JB		 7469 /* 64 is an arbitrary cut-off */
7470 iwe.u.data.length = min(ie[1] + 2, 64);
ccc58057
DM		 7471 current_ev = iwe_stream_add_point(
7472 info, current_ev, end_buf,
2c706002 7473 &iwe, ie);
3c304956
DW		 7474 break;
7475
7476 default:
7477 break;
7478 }
7479
2c706002
JB		 7480 length -= 2 + ie[1];
7481 ie += 2 + ie[1];
3c304956
DW		 7482 }
7483 }
1da177e4
LT		 7484 return current_ev;
7485}
7486
7487/*------------------------------------------------------------------*/
7488/*
7489 * Wireless Handler : Read Scan Results
7490 */
7491static int airo_get_scan(struct net_device *dev,
7492 struct iw_request_info *info,
7493 struct iw_point *dwrq,
7494 char *extra)
7495{
faf3994a 7496 struct airo_info *ai = dev->ml_priv;
9e75af30
DW		 7497 BSSListElement *net;
7498 int err = 0;
1da177e4
LT		 7499 char *current_ev = extra;
7500
9e75af30
DW		 7501 /* If a scan is in-progress, return -EAGAIN */
7502 if (ai->scan_timeout > 0)
1da177e4 7503 return -EAGAIN;
1da177e4 7504
9e75af30
DW		 7505 if (down_interruptible(&ai->sem))
7506 return -EAGAIN;
1da177e4 7507
9e75af30 7508 list_for_each_entry (net, &ai->network_list, list) {
1da177e4 7509 /* Translate to WE format this entry */
ccc58057 7510 current_ev = airo_translate_scan(dev, info, current_ev,
1da177e4 7511 extra + dwrq->length,
9e75af30 7512 &net->bss);
1da177e4
LT		 7513
7514 /* Check if there is space for one more entry */
7515 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7516 /* Ask user space to try again with a bigger buffer */
9e75af30
DW		 7517 err = -E2BIG;
7518 goto out;
1da177e4 7519 }
1da177e4 7520 }
9e75af30 7521
1da177e4
LT		 7522 /* Length of data */
7523 dwrq->length = (current_ev - extra);
7524 dwrq->flags = 0; /* todo */
7525
9e75af30
DW		 7526out:
7527 up(&ai->sem);
7528 return err;
1da177e4
LT		 7529}
7530
7531/*------------------------------------------------------------------*/
7532/*
7533 * Commit handler : called after a bunch of SET operations
7534 */
7535static int airo_config_commit(struct net_device *dev,
7536 struct iw_request_info *info, /* NULL */
7537 void *zwrq, /* NULL */
7538 char *extra) /* NULL */
7539{
faf3994a 7540 struct airo_info *local = dev->ml_priv;
1da177e4
LT		 7541
7542 if (!test_bit (FLAG_COMMIT, &local->flags))
7543 return 0;
7544
7545 /* Some of the "SET" function may have modified some of the
7546 * parameters. It's now time to commit them in the card */
7547 disable_MAC(local, 1);
7548 if (test_bit (FLAG_RESET, &local->flags)) {
7549 APListRid APList_rid;
7550 SsidRid SSID_rid;
7551
7552 readAPListRid(local, &APList_rid);
7553 readSsidRid(local, &SSID_rid);
7554 if (test_bit(FLAG_MPI,&local->flags))
7555 setup_card(local, dev->dev_addr, 1 );
7556 else
7557 reset_airo_card(dev);
7558 disable_MAC(local, 1);
7559 writeSsidRid(local, &SSID_rid, 1);
7560 writeAPListRid(local, &APList_rid, 1);
7561 }
7562 if (down_interruptible(&local->sem))
7563 return -ERESTARTSYS;
7564 writeConfigRid(local, 0);
175ec1a1 7565 enable_MAC(local, 0);
1da177e4
LT		 7566 if (test_bit (FLAG_RESET, &local->flags))
7567 airo_set_promisc(local);
7568 else
7569 up(&local->sem);
7570
7571 return 0;
7572}
7573
7574/*------------------------------------------------------------------*/
7575/*
7576 * Structures to export the Wireless Handlers
7577 */
7578
7579static const struct iw_priv_args airo_private_args[] = {
7580/*{ cmd, set_args, get_args, name } */
7581 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7582 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7583 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7584 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7585};
7586
7587static const iw_handler airo_handler[] =
7588{
7589 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7590 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7591 (iw_handler) NULL, /* SIOCSIWNWID */
7592 (iw_handler) NULL, /* SIOCGIWNWID */
7593 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7594 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7595 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7596 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7597 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7598 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7599 (iw_handler) NULL, /* SIOCSIWRANGE */
7600 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7601 (iw_handler) NULL, /* SIOCSIWPRIV */
7602 (iw_handler) NULL, /* SIOCGIWPRIV */
7603 (iw_handler) NULL, /* SIOCSIWSTATS */
7604 (iw_handler) NULL, /* SIOCGIWSTATS */
7605 iw_handler_set_spy, /* SIOCSIWSPY */
7606 iw_handler_get_spy, /* SIOCGIWSPY */
7607 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7608 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7609 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7610 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7611 (iw_handler) NULL, /* -- hole -- */
7612 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7613 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7614 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7615 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7616 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7617 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7618 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7619 (iw_handler) NULL, /* -- hole -- */
7620 (iw_handler) NULL, /* -- hole -- */
7621 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7622 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7623 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7624 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7625 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7626 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7627 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7628 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7629 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7630 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7631 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7632 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7633 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7634 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
4be757dd
DW		 7635 (iw_handler) NULL, /* -- hole -- */
7636 (iw_handler) NULL, /* -- hole -- */
7637 (iw_handler) NULL, /* SIOCSIWGENIE */
7638 (iw_handler) NULL, /* SIOCGIWGENIE */
7639 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7640 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7641 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7642 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7643 (iw_handler) NULL, /* SIOCSIWPMKSA */
1da177e4
LT		 7644};
7645
7646/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7647 * We want to force the use of the ioctl code, because those can't be
7648 * won't work the iw_handler code (because they simultaneously read
7649 * and write data and iw_handler can't do that).
7650 * Note that it's perfectly legal to read/write on a single ioctl command,
7651 * you just can't use iwpriv and need to force it via the ioctl handler.
7652 * Jean II */
7653static const iw_handler airo_private_handler[] =
7654{
7655 NULL, /* SIOCIWFIRSTPRIV */
7656};
7657
7658static const struct iw_handler_def airo_handler_def =
7659{
ff8ac609
DC		 7660 .num_standard = ARRAY_SIZE(airo_handler),
7661 .num_private = ARRAY_SIZE(airo_private_handler),
7662 .num_private_args = ARRAY_SIZE(airo_private_args),
1da177e4
LT		 7663 .standard = airo_handler,
7664 .private = airo_private_handler,
7665 .private_args = airo_private_args,
7666 .get_wireless_stats = airo_get_wireless_stats,
7667};
7668
1da177e4
LT		 7669/*
7670 * This defines the configuration part of the Wireless Extensions
7671 * Note : irq and spinlock protection will occur in the subroutines
7672 *
7673 * TODO :
7674 * o Check input value more carefully and fill correct values in range
7675 * o Test and shakeout the bugs (if any)
7676 *
7677 * Jean II
7678 *
7679 * Javier Achirica did a great job of merging code from the unnamed CISCO
7680 * developer that added support for flashing the card.
7681 */
7682static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7683{
7684 int rc = 0;
faf3994a 7685 struct airo_info *ai = dev->ml_priv;
1da177e4 7686
ca078bae 7687 if (ai->power.event)
1da177e4
LT		 7688 return 0;
7689
7690 switch (cmd) {
7691#ifdef CISCO_EXT
7692 case AIROIDIFC:
7693#ifdef AIROOLDIDIFC
7694 case AIROOLDIDIFC:
7695#endif
7696 {
7697 int val = AIROMAGIC;
7698 aironet_ioctl com;
7699 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7700 rc = -EFAULT;
7701 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7702 rc = -EFAULT;
7703 }
7704 break;
7705
7706 case AIROIOCTL:
7707#ifdef AIROOLDIOCTL
7708 case AIROOLDIOCTL:
7709#endif
7710 /* Get the command struct and hand it off for evaluation by
7711 * the proper subfunction
7712 */
7713 {
7714 aironet_ioctl com;
7715 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7716 rc = -EFAULT;
7717 break;
7718 }
7719
7720 /* Separate R/W functions bracket legality here
7721 */
7722 if ( com.command == AIRORSWVERSION ) {
7723 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7724 rc = -EFAULT;
7725 else
7726 rc = 0;
7727 }
7728 else if ( com.command <= AIRORRID)
7729 rc = readrids(dev,&com);
7730 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7731 rc = writerids(dev,&com);
7732 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7733 rc = flashcard(dev,&com);
7734 else
7735 rc = -EINVAL; /* Bad command in ioctl */
7736 }
7737 break;
7738#endif /* CISCO_EXT */
7739
7740 // All other calls are currently unsupported
7741 default:
7742 rc = -EOPNOTSUPP;
7743 }
7744 return rc;
7745}
7746
1da177e4
LT		 7747/*
7748 * Get the Wireless stats out of the driver
7749 * Note : irq and spinlock protection will occur in the subroutines
7750 *
7751 * TODO :
7752 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7753 *
7754 * Jean
7755 */
7756static void airo_read_wireless_stats(struct airo_info *local)
7757{
7758 StatusRid status_rid;
7759 StatsRid stats_rid;
7760 CapabilityRid cap_rid;
a23ace5f 7761 __le32 *vals = stats_rid.vals;
1da177e4
LT		 7762
7763 /* Get stats out of the card */
3c304956 7764 clear_bit(JOB_WSTATS, &local->jobs);
ca078bae 7765 if (local->power.event) {
1da177e4
LT		 7766 up(&local->sem);
7767 return;
7768 }
7769 readCapabilityRid(local, &cap_rid, 0);
7770 readStatusRid(local, &status_rid, 0);
7771 readStatsRid(local, &stats_rid, RID_STATS, 0);
7772 up(&local->sem);
7773
7774 /* The status */
329e2c00 7775 local->wstats.status = le16_to_cpu(status_rid.mode);
1da177e4 7776
41480af2
DW		 7777 /* Signal quality and co */
7778 if (local->rssi) {
329e2c00
AV		 7779 local->wstats.qual.level =
7780 airo_rssi_to_dbm(local->rssi,
7781 le16_to_cpu(status_rid.sigQuality));
41480af2 7782 /* normalizedSignalStrength appears to be a percentage */
329e2c00
AV		 7783 local->wstats.qual.qual =
7784 le16_to_cpu(status_rid.normalizedSignalStrength);
41480af2 7785 } else {
329e2c00
AV		 7786 local->wstats.qual.level =
7787 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
41480af2
DW		 7788 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7789 }
329e2c00 7790 if (le16_to_cpu(status_rid.len) >= 124) {
41480af2 7791 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
ce6623c3 7792 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1da177e4
LT		 7793 } else {
7794 local->wstats.qual.noise = 0;
ce6623c3 7795 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
1da177e4
LT		 7796 }
7797
7798 /* Packets discarded in the wireless adapter due to wireless
7799 * specific problems */
a23ace5f
AV		 7800 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7801 le32_to_cpu(vals[57]) +
7802 le32_to_cpu(vals[58]); /* SSID Mismatch */
7803 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7804 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7805 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7806 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7807 le32_to_cpu(vals[32]);
7808 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
1da177e4
LT		 7809}
7810
ff1d2767 7811static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
1da177e4 7812{
faf3994a 7813 struct airo_info *local = dev->ml_priv;
1da177e4 7814
3c304956 7815 if (!test_bit(JOB_WSTATS, &local->jobs)) {
1da177e4
LT		 7816 /* Get stats out of the card if available */
7817 if (down_trylock(&local->sem) != 0) {
3c304956 7818 set_bit(JOB_WSTATS, &local->jobs);
1da177e4
LT		 7819 wake_up_interruptible(&local->thr_wait);
7820 } else
7821 airo_read_wireless_stats(local);
7822 }
7823
7824 return &local->wstats;
7825}
1da177e4
LT		 7826
7827#ifdef CISCO_EXT
7828/*
7829 * This just translates from driver IOCTL codes to the command codes to
7830 * feed to the radio's host interface. Things can be added/deleted
7831 * as needed. This represents the READ side of control I/O to
7832 * the card
7833 */
7834static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7835 unsigned short ridcode;
7836 unsigned char *iobuf;
7837 int len;
faf3994a 7838 struct airo_info *ai = dev->ml_priv;
1da177e4
LT		 7839
7840 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 return -EIO;
7842
7843 switch(comp->command)
7844 {
7845 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7846 case AIROGCFG: ridcode = RID_CONFIG;
7847 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7848 disable_MAC (ai, 1);
7849 writeConfigRid (ai, 1);
175ec1a1 7850 enable_MAC(ai, 1);
1da177e4
LT		 7851 }
7852 break;
7853 case AIROGSLIST: ridcode = RID_SSID; break;
7854 case AIROGVLIST: ridcode = RID_APLIST; break;
7855 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7856 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7857 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7858 /* Only super-user can read WEP keys */
7859 if (!capable(CAP_NET_ADMIN))
7860 return -EPERM;
7861 break;
7862 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7863 /* Only super-user can read WEP keys */
7864 if (!capable(CAP_NET_ADMIN))
7865 return -EPERM;
7866 break;
7867 case AIROGSTAT: ridcode = RID_STATUS; break;
7868 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7869 case AIROGSTATSC32: ridcode = RID_STATS; break;
1da177e4
LT		 7870 case AIROGMICSTATS:
7871 if (copy_to_user(comp->data, &ai->micstats,
7872 min((int)comp->len,(int)sizeof(ai->micstats))))
7873 return -EFAULT;
7874 return 0;
1da177e4
LT		 7875 case AIRORRID: ridcode = comp->ridnum; break;
7876 default:
7877 return -EINVAL;
7878 break;
7879 }
7880
7881 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7882 return -ENOMEM;
7883
7884 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7885 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7886 * then return it to the user
7887 * 9/22/2000 Honor user given length
7888 */
7889 len = comp->len;
7890
7891 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7892 kfree (iobuf);
7893 return -EFAULT;
7894 }
7895 kfree (iobuf);
7896 return 0;
7897}
7898
7899/*
7900 * Danger Will Robinson write the rids here
7901 */
7902
7903static int writerids(struct net_device *dev, aironet_ioctl *comp) {
faf3994a 7904 struct airo_info *ai = dev->ml_priv;
1da177e4 7905 int ridcode;
1da177e4 7906 int enabled;
1da177e4
LT		 7907 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7908 unsigned char *iobuf;
7909
7910 /* Only super-user can write RIDs */
7911 if (!capable(CAP_NET_ADMIN))
7912 return -EPERM;
7913
7914 if (test_bit(FLAG_FLASHING, &ai->flags))
7915 return -EIO;
7916
7917 ridcode = 0;
7918 writer = do_writerid;
7919
7920 switch(comp->command)
7921 {
7922 case AIROPSIDS: ridcode = RID_SSID; break;
7923 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7924 case AIROPAPLIST: ridcode = RID_APLIST; break;
7925 case AIROPCFG: ai->config.len = 0;
7926 clear_bit(FLAG_COMMIT, &ai->flags);
7927 ridcode = RID_CONFIG; break;
7928 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7929 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7930 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7931 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7932 break;
7933 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7934 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7935
7936 /* this is not really a rid but a command given to the card
7937 * same with MAC off
7938 */
7939 case AIROPMACON:
175ec1a1 7940 if (enable_MAC(ai, 1) != 0)
1da177e4
LT		 7941 return -EIO;
7942 return 0;
7943
7944 /*
7945 * Evidently this code in the airo driver does not get a symbol
7946 * as disable_MAC. it's probably so short the compiler does not gen one.
7947 */
7948 case AIROPMACOFF:
7949 disable_MAC(ai, 1);
7950 return 0;
7951
7952 /* This command merely clears the counts does not actually store any data
7953 * only reads rid. But as it changes the cards state, I put it in the
7954 * writerid routines.
7955 */
7956 case AIROPSTCLR:
7957 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7958 return -ENOMEM;
7959
7960 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7961
1da177e4
LT		 7962 enabled = ai->micstats.enabled;
7963 memset(&ai->micstats,0,sizeof(ai->micstats));
7964 ai->micstats.enabled = enabled;
1da177e4
LT		 7965
7966 if (copy_to_user(comp->data, iobuf,
7967 min((int)comp->len, (int)RIDSIZE))) {
7968 kfree (iobuf);
7969 return -EFAULT;
7970 }
7971 kfree (iobuf);
7972 return 0;
7973
7974 default:
7975 return -EOPNOTSUPP; /* Blarg! */
7976 }
7977 if(comp->len > RIDSIZE)
7978 return -EINVAL;
7979
7980 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7981 return -ENOMEM;
7982
7983 if (copy_from_user(iobuf,comp->data,comp->len)) {
7984 kfree (iobuf);
7985 return -EFAULT;
7986 }
7987
7988 if (comp->command == AIROPCFG) {
7989 ConfigRid *cfg = (ConfigRid *)iobuf;
7990
7991 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
3eb9b41f 7992 cfg->opmode |= MODE_MIC;
1da177e4 7993
3eb9b41f 7994 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1da177e4
LT		 7995 set_bit (FLAG_ADHOC, &ai->flags);
7996 else
7997 clear_bit (FLAG_ADHOC, &ai->flags);
7998 }
7999
8000 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8001 kfree (iobuf);
8002 return -EIO;
8003 }
8004 kfree (iobuf);
8005 return 0;
8006}
8007
8008/*****************************************************************************
8009 * Ancillary flash / mod functions much black magic lurkes here *
8010 *****************************************************************************
8011 */
8012
8013/*
8014 * Flash command switch table
8015 */
8016
ff1d2767 8017static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
1da177e4 8018 int z;
1da177e4
LT		 8019
8020 /* Only super-user can modify flash */
8021 if (!capable(CAP_NET_ADMIN))
8022 return -EPERM;
8023
8024 switch(comp->command)
8025 {
8026 case AIROFLSHRST:
faf3994a 8027 return cmdreset((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8028
8029 case AIROFLSHSTFL:
faf3994a
WC		 8030 if (!AIRO_FLASH(dev) &&
8031 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
1da177e4 8032 return -ENOMEM;
faf3994a 8033 return setflashmode((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8034
8035 case AIROFLSHGCHR: /* Get char from aux */
8036 if(comp->len != sizeof(int))
8037 return -EINVAL;
8038 if (copy_from_user(&z,comp->data,comp->len))
8039 return -EFAULT;
faf3994a 8040 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 8041
8042 case AIROFLSHPCHR: /* Send char to card. */
8043 if(comp->len != sizeof(int))
8044 return -EINVAL;
8045 if (copy_from_user(&z,comp->data,comp->len))
8046 return -EFAULT;
faf3994a 8047 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
1da177e4
LT		 8048
8049 case AIROFLPUTBUF: /* Send 32k to card */
faf3994a 8050 if (!AIRO_FLASH(dev))
1da177e4
LT		 8051 return -ENOMEM;
8052 if(comp->len > FLASHSIZE)
8053 return -EINVAL;
faf3994a 8054 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
1da177e4
LT		 8055 return -EFAULT;
8056
faf3994a 8057 flashputbuf((struct airo_info *)dev->ml_priv);
1da177e4
LT		 8058 return 0;
8059
8060 case AIRORESTART:
faf3994a 8061 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
1da177e4
LT		 8062 return -EIO;
8063 return 0;
8064 }
8065 return -EINVAL;
8066}
8067
8068#define FLASH_COMMAND 0x7e7e
8069
8070/*
8071 * STEP 1)
8072 * Disable MAC and do soft reset on
8073 * card.
8074 */
8075
ff1d2767 8076static int cmdreset(struct airo_info *ai) {
1da177e4
LT		 8077 disable_MAC(ai, 1);
8078
8079 if(!waitbusy (ai)){
934d8bf1 8080 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
1da177e4
LT		 8081 return -EBUSY;
8082 }
8083
8084 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8085
8086 ssleep(1); /* WAS 600 12/7/00 */
8087
8088 if(!waitbusy (ai)){
934d8bf1 8089 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
1da177e4
LT		 8090 return -EBUSY;
8091 }
8092 return 0;
8093}
8094
8095/* STEP 2)
8096 * Put the card in legendary flash
8097 * mode
8098 */
8099
ff1d2767 8100static int setflashmode (struct airo_info *ai) {
1da177e4
LT		 8101 set_bit (FLAG_FLASHING, &ai->flags);
8102
8103 OUT4500(ai, SWS0, FLASH_COMMAND);
8104 OUT4500(ai, SWS1, FLASH_COMMAND);
8105 if (probe) {
8106 OUT4500(ai, SWS0, FLASH_COMMAND);
8107 OUT4500(ai, COMMAND,0x10);
8108 } else {
8109 OUT4500(ai, SWS2, FLASH_COMMAND);
8110 OUT4500(ai, SWS3, FLASH_COMMAND);
8111 OUT4500(ai, COMMAND,0);
8112 }
8113 msleep(500); /* 500ms delay */
8114
8115 if(!waitbusy(ai)) {
8116 clear_bit (FLAG_FLASHING, &ai->flags);
934d8bf1 8117 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
1da177e4
LT		 8118 return -EIO;
8119 }
8120 return 0;
8121}
8122
8123/* Put character to SWS0 wait for dwelltime
8124 * x 50us for echo .
8125 */
8126
ff1d2767 8127static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
1da177e4
LT		 8128 int echo;
8129 int waittime;
8130
8131 byte |= 0x8000;
8132
8133 if(dwelltime == 0 )
8134 dwelltime = 200;
8135
8136 waittime=dwelltime;
8137
8138 /* Wait for busy bit d15 to go false indicating buffer empty */
8139 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8140 udelay (50);
8141 waittime -= 50;
8142 }
8143
8144 /* timeout for busy clear wait */
8145 if(waittime <= 0 ){
934d8bf1 8146 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
1da177e4
LT		 8147 return -EBUSY;
8148 }
8149
8150 /* Port is clear now write byte and wait for it to echo back */
8151 do {
8152 OUT4500(ai,SWS0,byte);
8153 udelay(50);
8154 dwelltime -= 50;
8155 echo = IN4500(ai,SWS1);
8156 } while (dwelltime >= 0 && echo != byte);
8157
8158 OUT4500(ai,SWS1,0);
8159
8160 return (echo == byte) ? 0 : -EIO;
8161}
8162
8163/*
8164 * Get a character from the card matching matchbyte
8165 * Step 3)
8166 */
ff1d2767 8167static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
1da177e4
LT		 8168 int rchar;
8169 unsigned char rbyte=0;
8170
8171 do {
8172 rchar = IN4500(ai,SWS1);
8173
8174 if(dwelltime && !(0x8000 & rchar)){
8175 dwelltime -= 10;
8176 mdelay(10);
8177 continue;
8178 }
8179 rbyte = 0xff & rchar;
8180
8181 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8182 OUT4500(ai,SWS1,0);
8183 return 0;
8184 }
8185 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8186 break;
8187 OUT4500(ai,SWS1,0);
8188
8189 }while(dwelltime > 0);
8190 return -EIO;
8191}
8192
8193/*
8194 * Transfer 32k of firmware data from user buffer to our buffer and
8195 * send to the card
8196 */
8197
ff1d2767 8198static int flashputbuf(struct airo_info *ai){
1da177e4
LT		 8199 int nwords;
8200
8201 /* Write stuff */
8202 if (test_bit(FLAG_MPI,&ai->flags))
8203 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8204 else {
8205 OUT4500(ai,AUXPAGE,0x100);
8206 OUT4500(ai,AUXOFF,0);
8207
8208 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8209 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8210 }
8211 }
8212 OUT4500(ai,SWS0,0x8000);
8213
8214 return 0;
8215}
8216
8217/*
8218 *
8219 */
ff1d2767 8220static int flashrestart(struct airo_info *ai,struct net_device *dev){
1da177e4
LT		 8221 int i,status;
8222
8223 ssleep(1); /* Added 12/7/00 */
8224 clear_bit (FLAG_FLASHING, &ai->flags);
8225 if (test_bit(FLAG_MPI, &ai->flags)) {
8226 status = mpi_init_descriptors(ai);
8227 if (status != SUCCESS)
8228 return status;
8229 }
8230 status = setup_card(ai, dev->dev_addr, 1);
8231
8232 if (!test_bit(FLAG_MPI,&ai->flags))
8233 for( i = 0; i < MAX_FIDS; i++ ) {
8234 ai->fids[i] = transmit_allocate
15db2763 8235 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
1da177e4
LT		 8236 }
8237
8238 ssleep(1); /* Added 12/7/00 */
8239 return status;
8240}
8241#endif /* CISCO_EXT */
8242
8243/*
8244 This program is free software; you can redistribute it and/or
8245 modify it under the terms of the GNU General Public License
8246 as published by the Free Software Foundation; either version 2
8247 of the License, or (at your option) any later version.
8248
8249 This program is distributed in the hope that it will be useful,
8250 but WITHOUT ANY WARRANTY; without even the implied warranty of
8251 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8252 GNU General Public License for more details.
8253
8254 In addition:
8255
8256 Redistribution and use in source and binary forms, with or without
8257 modification, are permitted provided that the following conditions
8258 are met:
8259
8260 1. Redistributions of source code must retain the above copyright
8261 notice, this list of conditions and the following disclaimer.
8262 2. Redistributions in binary form must reproduce the above copyright
8263 notice, this list of conditions and the following disclaimer in the
8264 documentation and/or other materials provided with the distribution.
8265 3. The name of the author may not be used to endorse or promote
8266 products derived from this software without specific prior written
8267 permission.
8268
8269 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8270 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8271 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8272 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8273 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8274 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8275 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8276 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8277 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8278 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8279 POSSIBILITY OF SUCH DAMAGE.
8280*/
8281
8282module_init(airo_init_module);
8283module_exit(airo_cleanup_module);
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