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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
22#include <linux/err.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
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>
37#include <linux/scatterlist.h>
38#include <linux/crypto.h>
39#include <asm/io.h>
40#include <asm/system.h>
41#include <asm/unaligned.h>
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>
50#include <linux/kthread.h>
51#include <linux/freezer.h>
52
53#include <linux/ieee80211.h>
54#include <net/iw_handler.h>
55
56#include "airo.h"
57
58#define DRV_NAME "airo"
59
60#ifdef CONFIG_PCI
61static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
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 *);
75static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76static int airo_pci_resume(struct pci_dev *pdev);
77
78static struct pci_driver airo_driver = {
79 .name = DRV_NAME,
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>
90#define WIRELESS_SPY /* enable iwspy support */
91#include <net/iw_handler.h> /* New driver API */
92
93#define CISCO_EXT /* enable Cisco extensions */
94#ifdef CISCO_EXT
95#include <linux/delay.h>
96#endif
97
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
108static const char *statsLabels[] = {
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 char *ssids[3];
221
222static int io[4];
223static int irq[4];
224
225static
226int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232static int adhoc;
233
234static int probe = 1;
235
236static int proc_uid /* = 0 */;
237
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
254MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258module_param(aux_bap, int, 0);
259MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262module_param(maxencrypt, int, 0);
263MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285static int do8bitIO /* = 0 */;
286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508} __packed;
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
511typedef struct Ssid Ssid;
512struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515} __packed;
516
517typedef struct SsidRid SsidRid;
518struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521} __packed;
522
523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
530} __packed;
531
532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628#define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630#define RSSI_DEFAULT 0
631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654} __packed;
655
656typedef struct StatusRid StatusRid;
657struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
713} __packed;
714
715typedef struct StatsRid StatsRid;
716struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720} __packed;
721
722typedef struct APListRid APListRid;
723struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726} __packed;
727
728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756} __packed;
757
758/* Only present on firmware >= 5.30.17 */
759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764} __packed;
765
766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798} __packed;
799
800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809} __packed;
810
811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815} __packed;
816
817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825} __packed;
826
827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843} __packed;
844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
934static const char swversion[] = "2.1";
935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940#define AIRO_DEF_MTU 2312
941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998} __packed;
999
1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
1083static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108static int enable_MAC(struct airo_info *ai, int lock);
1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141static void airo_read_wireless_stats (struct airo_info *local);
1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146#endif /* CISCO_EXT */
1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155static void airo_networks_free(struct airo_info *ai);
1156
1157struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1249};
1250
1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
1268#define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1284
1285/***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1298
1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1352 }
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1362
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1365 ai->tfm = NULL;
1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
1376static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1633{
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654 j += 4;
1655 }
1656 }
1657}
1658
1659/* prepare for calculation of a new mic */
1660static void emmh32_init(emmh32_context *context)
1661{
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1742
1743static int readBSSListRid(struct airo_info *ai, int first,
1744 BSSListRid *list)
1745{
1746 Cmd cmd;
1747 Resp rsp;
1748
1749 if (first == 1) {
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1761 }
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1764}
1765
1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1770}
1771
1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1778 if (perm) {
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782 }
1783 return rc;
1784}
1785
1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789}
1790
1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794}
1795
1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1798 int rc;
1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1808 ai->config = cfg;
1809 return SUCCESS;
1810}
1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1814 int i;
1815/* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1844
1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848}
1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853}
1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858}
1859
1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863}
1864
1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868}
1869
1870static void try_auto_wep(struct airo_info *ai)
1871{
1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1878static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1880 int rc = 0;
1881
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet committed, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1892 }
1893
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1899
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1901 dev->name, dev);
1902 if (rc) {
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1905 dev->irq, rc);
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1908 return rc;
1909 }
1910
1911 /* Power on the MAC controller (which may have been disabled) */
1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1914
1915 try_auto_wep(ai);
1916 }
1917 enable_MAC(ai, 1);
1918
1919 netif_start_queue(dev);
1920 return 0;
1921}
1922
1923static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1924 struct net_device *dev)
1925{
1926 int npacks, pending;
1927 unsigned long flags;
1928 struct airo_info *ai = dev->ml_priv;
1929
1930 if (!skb) {
1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 return NETDEV_TX_OK;
1933 }
1934 npacks = skb_queue_len (&ai->txq);
1935
1936 if (npacks >= MAXTXQ - 1) {
1937 netif_stop_queue (dev);
1938 if (npacks > MAXTXQ) {
1939 dev->stats.tx_fifo_errors++;
1940 return NETDEV_TX_BUSY;
1941 }
1942 skb_queue_tail (&ai->txq, skb);
1943 return NETDEV_TX_OK;
1944 }
1945
1946 spin_lock_irqsave(&ai->aux_lock, flags);
1947 skb_queue_tail (&ai->txq, skb);
1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 spin_unlock_irqrestore(&ai->aux_lock,flags);
1950 netif_wake_queue (dev);
1951
1952 if (pending == 0) {
1953 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1954 mpi_send_packet (dev);
1955 }
1956 return NETDEV_TX_OK;
1957}
1958
1959/*
1960 * @mpi_send_packet
1961 *
1962 * Attempt to transmit a packet. Can be called from interrupt
1963 * or transmit . return number of packets we tried to send
1964 */
1965
1966static int mpi_send_packet (struct net_device *dev)
1967{
1968 struct sk_buff *skb;
1969 unsigned char *buffer;
1970 s16 len;
1971 __le16 *payloadLen;
1972 struct airo_info *ai = dev->ml_priv;
1973 u8 *sendbuf;
1974
1975 /* get a packet to send */
1976
1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1978 airo_print_err(dev->name,
1979 "%s: Dequeue'd zero in send_packet()",
1980 __func__);
1981 return 0;
1982 }
1983
1984 /* check min length*/
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1986 buffer = skb->data;
1987
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1992
1993/*
1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1996 * is immediately after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
1999 */
2000
2001 memcpy((char *)ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2003
2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2008
2009 /*
2010 * Firmware automatically puts 802 header on so
2011 * we don't need to account for it in the length
2012 */
2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2015 MICBuffer pMic;
2016
2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2018 return ERROR;
2019
2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2021 ai->txfids[0].tx_desc.len += sizeof(pMic);
2022 /* copy data into airo dma buffer */
2023 memcpy (sendbuf, buffer, sizeof(etherHead));
2024 buffer += sizeof(etherHead);
2025 sendbuf += sizeof(etherHead);
2026 memcpy (sendbuf, &pMic, sizeof(pMic));
2027 sendbuf += sizeof(pMic);
2028 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2029 } else {
2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2031
2032 dev->trans_start = jiffies;
2033
2034 /* copy data into airo dma buffer */
2035 memcpy(sendbuf, buffer, len);
2036 }
2037
2038 memcpy_toio(ai->txfids[0].card_ram_off,
2039 &ai->txfids[0].tx_desc, sizeof(TxFid));
2040
2041 OUT4500(ai, EVACK, 8);
2042
2043 dev_kfree_skb_any(skb);
2044 return 1;
2045}
2046
2047static void get_tx_error(struct airo_info *ai, s32 fid)
2048{
2049 __le16 status;
2050
2051 if (fid < 0)
2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2053 else {
2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2055 return;
2056 bap_read(ai, &status, 2, BAP0);
2057 }
2058 if (le16_to_cpu(status) & 2) /* Too many retries */
2059 ai->dev->stats.tx_aborted_errors++;
2060 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2061 ai->dev->stats.tx_heartbeat_errors++;
2062 if (le16_to_cpu(status) & 8) /* Aid fail */
2063 { }
2064 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2065 ai->dev->stats.tx_carrier_errors++;
2066 if (le16_to_cpu(status) & 0x20) /* Association lost */
2067 { }
2068 /* We produce a TXDROP event only for retry or lifetime
2069 * exceeded, because that's the only status that really mean
2070 * that this particular node went away.
2071 * Other errors means that *we* screwed up. - Jean II */
2072 if ((le16_to_cpu(status) & 2) ||
2073 (le16_to_cpu(status) & 4)) {
2074 union iwreq_data wrqu;
2075 char junk[0x18];
2076
2077 /* Faster to skip over useless data than to do
2078 * another bap_setup(). We are at offset 0x6 and
2079 * need to go to 0x18 and read 6 bytes - Jean II */
2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2081
2082 /* Copy 802.11 dest address.
2083 * We use the 802.11 header because the frame may
2084 * not be 802.3 or may be mangled...
2085 * In Ad-Hoc mode, it will be the node address.
2086 * In managed mode, it will be most likely the AP addr
2087 * User space will figure out how to convert it to
2088 * whatever it needs (IP address or else).
2089 * - Jean II */
2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2091 wrqu.addr.sa_family = ARPHRD_ETHER;
2092
2093 /* Send event to user space */
2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 }
2096}
2097
2098static void airo_end_xmit(struct net_device *dev) {
2099 u16 status;
2100 int i;
2101 struct airo_info *priv = dev->ml_priv;
2102 struct sk_buff *skb = priv->xmit.skb;
2103 int fid = priv->xmit.fid;
2104 u32 *fids = priv->fids;
2105
2106 clear_bit(JOB_XMIT, &priv->jobs);
2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2108 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 up(&priv->sem);
2110
2111 i = 0;
2112 if ( status == SUCCESS ) {
2113 dev->trans_start = jiffies;
2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2115 } else {
2116 priv->fids[fid] &= 0xffff;
2117 dev->stats.tx_window_errors++;
2118 }
2119 if (i < MAX_FIDS / 2)
2120 netif_wake_queue(dev);
2121 dev_kfree_skb(skb);
2122}
2123
2124static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2125 struct net_device *dev)
2126{
2127 s16 len;
2128 int i, j;
2129 struct airo_info *priv = dev->ml_priv;
2130 u32 *fids = priv->fids;
2131
2132 if ( skb == NULL ) {
2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2134 return NETDEV_TX_OK;
2135 }
2136
2137 /* Find a vacant FID */
2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2140
2141 if ( j >= MAX_FIDS / 2 ) {
2142 netif_stop_queue(dev);
2143
2144 if (i == MAX_FIDS / 2) {
2145 dev->stats.tx_fifo_errors++;
2146 return NETDEV_TX_BUSY;
2147 }
2148 }
2149 /* check min length*/
2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2151 /* Mark fid as used & save length for later */
2152 fids[i] |= (len << 16);
2153 priv->xmit.skb = skb;
2154 priv->xmit.fid = i;
2155 if (down_trylock(&priv->sem) != 0) {
2156 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 netif_stop_queue(dev);
2158 set_bit(JOB_XMIT, &priv->jobs);
2159 wake_up_interruptible(&priv->thr_wait);
2160 } else
2161 airo_end_xmit(dev);
2162 return NETDEV_TX_OK;
2163}
2164
2165static void airo_end_xmit11(struct net_device *dev) {
2166 u16 status;
2167 int i;
2168 struct airo_info *priv = dev->ml_priv;
2169 struct sk_buff *skb = priv->xmit11.skb;
2170 int fid = priv->xmit11.fid;
2171 u32 *fids = priv->fids;
2172
2173 clear_bit(JOB_XMIT11, &priv->jobs);
2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2175 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2176 up(&priv->sem);
2177
2178 i = MAX_FIDS / 2;
2179 if ( status == SUCCESS ) {
2180 dev->trans_start = jiffies;
2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2182 } else {
2183 priv->fids[fid] &= 0xffff;
2184 dev->stats.tx_window_errors++;
2185 }
2186 if (i < MAX_FIDS)
2187 netif_wake_queue(dev);
2188 dev_kfree_skb(skb);
2189}
2190
2191static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2192 struct net_device *dev)
2193{
2194 s16 len;
2195 int i, j;
2196 struct airo_info *priv = dev->ml_priv;
2197 u32 *fids = priv->fids;
2198
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200 /* Not implemented yet for MPI350 */
2201 netif_stop_queue(dev);
2202 dev_kfree_skb_any(skb);
2203 return NETDEV_TX_OK;
2204 }
2205
2206 if ( skb == NULL ) {
2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2208 return NETDEV_TX_OK;
2209 }
2210
2211 /* Find a vacant FID */
2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2214
2215 if ( j >= MAX_FIDS ) {
2216 netif_stop_queue(dev);
2217
2218 if (i == MAX_FIDS) {
2219 dev->stats.tx_fifo_errors++;
2220 return NETDEV_TX_BUSY;
2221 }
2222 }
2223 /* check min length*/
2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2225 /* Mark fid as used & save length for later */
2226 fids[i] |= (len << 16);
2227 priv->xmit11.skb = skb;
2228 priv->xmit11.fid = i;
2229 if (down_trylock(&priv->sem) != 0) {
2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 netif_stop_queue(dev);
2232 set_bit(JOB_XMIT11, &priv->jobs);
2233 wake_up_interruptible(&priv->thr_wait);
2234 } else
2235 airo_end_xmit11(dev);
2236 return NETDEV_TX_OK;
2237}
2238
2239static void airo_read_stats(struct net_device *dev)
2240{
2241 struct airo_info *ai = dev->ml_priv;
2242 StatsRid stats_rid;
2243 __le32 *vals = stats_rid.vals;
2244
2245 clear_bit(JOB_STATS, &ai->jobs);
2246 if (ai->power.event) {
2247 up(&ai->sem);
2248 return;
2249 }
2250 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2251 up(&ai->sem);
2252
2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2254 le32_to_cpu(vals[45]);
2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2256 le32_to_cpu(vals[41]);
2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2262 dev->stats.tx_fifo_errors;
2263 dev->stats.multicast = le32_to_cpu(vals[43]);
2264 dev->stats.collisions = le32_to_cpu(vals[89]);
2265
2266 /* detailed rx_errors: */
2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2271}
2272
2273static struct net_device_stats *airo_get_stats(struct net_device *dev)
2274{
2275 struct airo_info *local = dev->ml_priv;
2276
2277 if (!test_bit(JOB_STATS, &local->jobs)) {
2278 /* Get stats out of the card if available */
2279 if (down_trylock(&local->sem) != 0) {
2280 set_bit(JOB_STATS, &local->jobs);
2281 wake_up_interruptible(&local->thr_wait);
2282 } else
2283 airo_read_stats(dev);
2284 }
2285
2286 return &dev->stats;
2287}
2288
2289static void airo_set_promisc(struct airo_info *ai) {
2290 Cmd cmd;
2291 Resp rsp;
2292
2293 memset(&cmd, 0, sizeof(cmd));
2294 cmd.cmd=CMD_SETMODE;
2295 clear_bit(JOB_PROMISC, &ai->jobs);
2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2297 issuecommand(ai, &cmd, &rsp);
2298 up(&ai->sem);
2299}
2300
2301static void airo_set_multicast_list(struct net_device *dev) {
2302 struct airo_info *ai = dev->ml_priv;
2303
2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2305 change_bit(FLAG_PROMISC, &ai->flags);
2306 if (down_trylock(&ai->sem) != 0) {
2307 set_bit(JOB_PROMISC, &ai->jobs);
2308 wake_up_interruptible(&ai->thr_wait);
2309 } else
2310 airo_set_promisc(ai);
2311 }
2312
2313 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2314 /* Turn on multicast. (Should be already setup...) */
2315 }
2316}
2317
2318static int airo_set_mac_address(struct net_device *dev, void *p)
2319{
2320 struct airo_info *ai = dev->ml_priv;
2321 struct sockaddr *addr = p;
2322
2323 readConfigRid(ai, 1);
2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2325 set_bit (FLAG_COMMIT, &ai->flags);
2326 disable_MAC(ai, 1);
2327 writeConfigRid (ai, 1);
2328 enable_MAC(ai, 1);
2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2330 if (ai->wifidev)
2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2332 return 0;
2333}
2334
2335static int airo_change_mtu(struct net_device *dev, int new_mtu)
2336{
2337 if ((new_mtu < 68) || (new_mtu > 2400))
2338 return -EINVAL;
2339 dev->mtu = new_mtu;
2340 return 0;
2341}
2342
2343static LIST_HEAD(airo_devices);
2344
2345static void add_airo_dev(struct airo_info *ai)
2346{
2347 /* Upper layers already keep track of PCI devices,
2348 * so we only need to remember our non-PCI cards. */
2349 if (!ai->pci)
2350 list_add_tail(&ai->dev_list, &airo_devices);
2351}
2352
2353static void del_airo_dev(struct airo_info *ai)
2354{
2355 if (!ai->pci)
2356 list_del(&ai->dev_list);
2357}
2358
2359static int airo_close(struct net_device *dev) {
2360 struct airo_info *ai = dev->ml_priv;
2361
2362 netif_stop_queue(dev);
2363
2364 if (ai->wifidev != dev) {
2365#ifdef POWER_ON_DOWN
2366 /* Shut power to the card. The idea is that the user can save
2367 * power when he doesn't need the card with "ifconfig down".
2368 * That's the method that is most friendly towards the network
2369 * stack (i.e. the network stack won't try to broadcast
2370 * anything on the interface and routes are gone. Jean II */
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2372 disable_MAC(ai, 1);
2373#endif
2374 disable_interrupts( ai );
2375
2376 free_irq(dev->irq, dev);
2377
2378 set_bit(JOB_DIE, &ai->jobs);
2379 kthread_stop(ai->airo_thread_task);
2380 }
2381 return 0;
2382}
2383
2384void stop_airo_card( struct net_device *dev, int freeres )
2385{
2386 struct airo_info *ai = dev->ml_priv;
2387
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2389 disable_MAC(ai, 1);
2390 disable_interrupts(ai);
2391 takedown_proc_entry( dev, ai );
2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2393 unregister_netdev( dev );
2394 if (ai->wifidev) {
2395 unregister_netdev(ai->wifidev);
2396 free_netdev(ai->wifidev);
2397 ai->wifidev = NULL;
2398 }
2399 clear_bit(FLAG_REGISTERED, &ai->flags);
2400 }
2401 /*
2402 * Clean out tx queue
2403 */
2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2405 struct sk_buff *skb = NULL;
2406 for (;(skb = skb_dequeue(&ai->txq));)
2407 dev_kfree_skb(skb);
2408 }
2409
2410 airo_networks_free (ai);
2411
2412 kfree(ai->flash);
2413 kfree(ai->rssi);
2414 kfree(ai->APList);
2415 kfree(ai->SSID);
2416 if (freeres) {
2417 /* PCMCIA frees this stuff, so only for PCI and ISA */
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2420 if (ai->pci)
2421 mpi_unmap_card(ai->pci);
2422 if (ai->pcimem)
2423 iounmap(ai->pcimem);
2424 if (ai->pciaux)
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2428 }
2429 }
2430 crypto_free_cipher(ai->tfm);
2431 del_airo_dev(ai);
2432 free_netdev( dev );
2433}
2434
2435EXPORT_SYMBOL(stop_airo_card);
2436
2437static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2438{
2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2440 return ETH_ALEN;
2441}
2442
2443static void mpi_unmap_card(struct pci_dev *pci)
2444{
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2449
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2452}
2453
2454/*************************************************************
2455 * This routine assumes that descriptors have been setup .
2456 * Run at insmod time or after reset when the decriptors
2457 * have been initialized . Returns 0 if all is well nz
2458 * otherwise . Does not allocate memory but sets up card
2459 * using previously allocated descriptors.
2460 */
2461static int mpi_init_descriptors (struct airo_info *ai)
2462{
2463 Cmd cmd;
2464 Resp rsp;
2465 int i;
2466 int rc = SUCCESS;
2467
2468 /* Alloc card RX descriptors */
2469 netif_stop_queue(ai->dev);
2470
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2473
2474 cmd.cmd = CMD_ALLOCATEAUX;
2475 cmd.parm0 = FID_RX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2481 return rc;
2482 }
2483
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2487 }
2488
2489 /* Alloc card TX descriptors */
2490
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2493
2494 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm0 = FID_TX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2498
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2503 }
2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2505
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2509 return rc;
2510 }
2511
2512 /* Alloc card Rid descriptor */
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2515
2516 cmd.cmd = CMD_ALLOCATEAUX;
2517 cmd.parm0 = RID_RW;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1; /* Magic number... */
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2523 return rc;
2524 }
2525
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2528
2529 return rc;
2530}
2531
2532/*
2533 * We are setting up three things here:
2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2535 * 2) Map PCI memory for issuing commands.
2536 * 3) Allocate memory (shared) to send and receive ethernet frames.
2537 */
2538static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2539{
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2541 int rc = -1;
2542 int i;
2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
2545 unsigned char __iomem *pciaddroff;
2546
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2551
2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2555 goto out;
2556 }
2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
2560 goto free_region1;
2561 }
2562
2563 ai->pcimem = ioremap(mem_start, mem_len);
2564 if (!ai->pcimem) {
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2567 goto free_region2;
2568 }
2569 ai->pciaux = ioremap(aux_start, aux_len);
2570 if (!ai->pciaux) {
2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
2573 goto free_memmap;
2574 }
2575
2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2578 if (!ai->shared) {
2579 airo_print_err("", "Couldn't alloc_consistent %d",
2580 PCI_SHARED_LEN);
2581 goto free_auxmap;
2582 }
2583
2584 /*
2585 * Setup descriptor RX, TX, CONFIG
2586 */
2587 busaddroff = ai->shared_dma;
2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2590
2591 /* RX descriptor setup */
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2600
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2604 }
2605
2606 /* TX descriptor setup */
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2614
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2618 }
2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2620
2621 /* Rid descriptor setup */
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2632
2633 /* Tell card about descriptors */
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2635 goto free_shared;
2636
2637 return 0;
2638 free_shared:
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2640 free_auxmap:
2641 iounmap(ai->pciaux);
2642 free_memmap:
2643 iounmap(ai->pcimem);
2644 free_region2:
2645 release_mem_region(aux_start, aux_len);
2646 free_region1:
2647 release_mem_region(mem_start, mem_len);
2648 out:
2649 return rc;
2650}
2651
2652static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2654};
2655
2656static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663 .ndo_change_mtu = airo_change_mtu,
2664};
2665
2666static void wifi_setup(struct net_device *dev)
2667{
2668 dev->netdev_ops = &airo11_netdev_ops;
2669 dev->header_ops = &airo_header_ops;
2670 dev->wireless_handlers = &airo_handler_def;
2671
2672 dev->type = ARPHRD_IEEE80211;
2673 dev->hard_header_len = ETH_HLEN;
2674 dev->mtu = AIRO_DEF_MTU;
2675 dev->addr_len = ETH_ALEN;
2676 dev->tx_queue_len = 100;
2677
2678 memset(dev->broadcast,0xFF, ETH_ALEN);
2679
2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2681}
2682
2683static struct net_device *init_wifidev(struct airo_info *ai,
2684 struct net_device *ethdev)
2685{
2686 int err;
2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2688 if (!dev)
2689 return NULL;
2690 dev->ml_priv = ethdev->ml_priv;
2691 dev->irq = ethdev->irq;
2692 dev->base_addr = ethdev->base_addr;
2693 dev->wireless_data = ethdev->wireless_data;
2694 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2696 err = register_netdev(dev);
2697 if (err<0) {
2698 free_netdev(dev);
2699 return NULL;
2700 }
2701 return dev;
2702}
2703
2704static int reset_card( struct net_device *dev , int lock) {
2705 struct airo_info *ai = dev->ml_priv;
2706
2707 if (lock && down_interruptible(&ai->sem))
2708 return -1;
2709 waitbusy (ai);
2710 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2711 msleep(200);
2712 waitbusy (ai);
2713 msleep(200);
2714 if (lock)
2715 up(&ai->sem);
2716 return 0;
2717}
2718
2719#define AIRO_MAX_NETWORK_COUNT 64
2720static int airo_networks_allocate(struct airo_info *ai)
2721{
2722 if (ai->networks)
2723 return 0;
2724
2725 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2726 GFP_KERNEL);
2727 if (!ai->networks) {
2728 airo_print_warn("", "Out of memory allocating beacons");
2729 return -ENOMEM;
2730 }
2731
2732 return 0;
2733}
2734
2735static void airo_networks_free(struct airo_info *ai)
2736{
2737 kfree(ai->networks);
2738 ai->networks = NULL;
2739}
2740
2741static void airo_networks_initialize(struct airo_info *ai)
2742{
2743 int i;
2744
2745 INIT_LIST_HEAD(&ai->network_free_list);
2746 INIT_LIST_HEAD(&ai->network_list);
2747 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2748 list_add_tail(&ai->networks[i].list,
2749 &ai->network_free_list);
2750}
2751
2752static const struct net_device_ops airo_netdev_ops = {
2753 .ndo_open = airo_open,
2754 .ndo_stop = airo_close,
2755 .ndo_start_xmit = airo_start_xmit,
2756 .ndo_get_stats = airo_get_stats,
2757 .ndo_set_multicast_list = airo_set_multicast_list,
2758 .ndo_set_mac_address = airo_set_mac_address,
2759 .ndo_do_ioctl = airo_ioctl,
2760 .ndo_change_mtu = airo_change_mtu,
2761 .ndo_validate_addr = eth_validate_addr,
2762};
2763
2764static const struct net_device_ops mpi_netdev_ops = {
2765 .ndo_open = airo_open,
2766 .ndo_stop = airo_close,
2767 .ndo_start_xmit = mpi_start_xmit,
2768 .ndo_get_stats = airo_get_stats,
2769 .ndo_set_multicast_list = airo_set_multicast_list,
2770 .ndo_set_mac_address = airo_set_mac_address,
2771 .ndo_do_ioctl = airo_ioctl,
2772 .ndo_change_mtu = airo_change_mtu,
2773 .ndo_validate_addr = eth_validate_addr,
2774};
2775
2776
2777static struct net_device *_init_airo_card( unsigned short irq, int port,
2778 int is_pcmcia, struct pci_dev *pci,
2779 struct device *dmdev )
2780{
2781 struct net_device *dev;
2782 struct airo_info *ai;
2783 int i, rc;
2784 CapabilityRid cap_rid;
2785
2786 /* Create the network device object. */
2787 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2788 if (!dev) {
2789 airo_print_err("", "Couldn't alloc_etherdev");
2790 return NULL;
2791 }
2792
2793 ai = dev->ml_priv = netdev_priv(dev);
2794 ai->wifidev = NULL;
2795 ai->flags = 1 << FLAG_RADIO_DOWN;
2796 ai->jobs = 0;
2797 ai->dev = dev;
2798 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2799 airo_print_dbg("", "Found an MPI350 card");
2800 set_bit(FLAG_MPI, &ai->flags);
2801 }
2802 spin_lock_init(&ai->aux_lock);
2803 sema_init(&ai->sem, 1);
2804 ai->config.len = 0;
2805 ai->pci = pci;
2806 init_waitqueue_head (&ai->thr_wait);
2807 ai->tfm = NULL;
2808 add_airo_dev(ai);
2809
2810 if (airo_networks_allocate (ai))
2811 goto err_out_free;
2812 airo_networks_initialize (ai);
2813
2814 skb_queue_head_init (&ai->txq);
2815
2816 /* The Airo-specific entries in the device structure. */
2817 if (test_bit(FLAG_MPI,&ai->flags))
2818 dev->netdev_ops = &mpi_netdev_ops;
2819 else
2820 dev->netdev_ops = &airo_netdev_ops;
2821 dev->wireless_handlers = &airo_handler_def;
2822 ai->wireless_data.spy_data = &ai->spy_data;
2823 dev->wireless_data = &ai->wireless_data;
2824 dev->irq = irq;
2825 dev->base_addr = port;
2826 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2827
2828 SET_NETDEV_DEV(dev, dmdev);
2829
2830 reset_card (dev, 1);
2831 msleep(400);
2832
2833 if (!is_pcmcia) {
2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2835 rc = -EBUSY;
2836 airo_print_err(dev->name, "Couldn't request region");
2837 goto err_out_nets;
2838 }
2839 }
2840
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
2844 goto err_out_res;
2845 }
2846 }
2847
2848 if (probe) {
2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2850 airo_print_err(dev->name, "MAC could not be enabled" );
2851 rc = -EIO;
2852 goto err_out_map;
2853 }
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2857 }
2858
2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2861 if (rc) {
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2863 goto err_out_map;
2864 }
2865 ai->wifidev = init_wifidev(ai, dev);
2866 if (!ai->wifidev)
2867 goto err_out_reg;
2868
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2871 rc = -EIO;
2872 goto err_out_wifi;
2873 }
2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2877
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2882
2883 /* Test for WPA support */
2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2889
2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2894 } else {
2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2897
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2901 }
2902
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2905
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2910
2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2912 goto err_out_wifi;
2913
2914 return dev;
2915
2916err_out_wifi:
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2919err_out_reg:
2920 unregister_netdev(dev);
2921err_out_map:
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2927 }
2928err_out_res:
2929 if (!is_pcmcia)
2930 release_region( dev->base_addr, 64 );
2931err_out_nets:
2932 airo_networks_free(ai);
2933err_out_free:
2934 del_airo_dev(ai);
2935 free_netdev(dev);
2936 return NULL;
2937}
2938
2939struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2941{
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943}
2944
2945EXPORT_SYMBOL(init_airo_card);
2946
2947static int waitbusy (struct airo_info *ai) {
2948 int delay = 0;
2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2950 udelay (10);
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 }
2954 return delay < 10000;
2955}
2956
2957int reset_airo_card( struct net_device *dev )
2958{
2959 int i;
2960 struct airo_info *ai = dev->ml_priv;
2961
2962 if (reset_card (dev, 1))
2963 return -1;
2964
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2967 return -1;
2968 }
2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2974
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2977 return 0;
2978}
2979
2980EXPORT_SYMBOL(reset_airo_card);
2981
2982static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->ml_priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2986
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2989 up(&ai->sem);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2994
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2997}
2998
2999static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3001 BSSListRid bss;
3002 int rc;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3005
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3011 }
3012
3013 /* Try to read the first entry of the scan result */
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3016 /* No scan results */
3017 goto out;
3018 }
3019
3020 /* Read and parse all entries */
3021 tmp_net = NULL;
3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3028 }
3029
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3033 tmp_net = NULL;
3034 }
3035
3036 /* Read next entry */
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3039 }
3040
3041out:
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3044 up(&ai->sem);
3045
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3056}
3057
3058static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->ml_priv;
3061 int locked;
3062
3063 set_freezable();
3064 while(1) {
3065 /* make swsusp happy with our thread */
3066 try_to_freeze();
3067
3068 if (test_bit(JOB_DIE, &ai->jobs))
3069 break;
3070
3071 if (ai->jobs) {
3072 locked = down_interruptible(&ai->sem);
3073 } else {
3074 wait_queue_t wait;
3075
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3078 for (;;) {
3079 set_current_state(TASK_INTERRUPTIBLE);
3080 if (ai->jobs)
3081 break;
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3086 break;
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3090 break;
3091 }
3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3097 ai->scan_timeout);
3098 } else {
3099 wake_at = min(ai->expires,
3100 ai->scan_timeout);
3101 }
3102 schedule_timeout(wake_at - jiffies);
3103 continue;
3104 }
3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
3107 schedule();
3108 continue;
3109 }
3110 break;
3111 }
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3114 locked = 1;
3115 }
3116
3117 if (locked)
3118 continue;
3119
3120 if (test_bit(JOB_DIE, &ai->jobs)) {
3121 up(&ai->sem);
3122 break;
3123 }
3124
3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3126 up(&ai->sem);
3127 continue;
3128 }
3129
3130 if (test_bit(JOB_XMIT, &ai->jobs))
3131 airo_end_xmit(dev);
3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
3133 airo_end_xmit11(dev);
3134 else if (test_bit(JOB_STATS, &ai->jobs))
3135 airo_read_stats(dev);
3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
3137 airo_read_wireless_stats(ai);
3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
3139 airo_set_promisc(ai);
3140 else if (test_bit(JOB_MIC, &ai->jobs))
3141 micinit(ai);
3142 else if (test_bit(JOB_EVENT, &ai->jobs))
3143 airo_send_event(dev);
3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3145 timer_func(dev);
3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3149 up(&ai->sem);
3150 }
3151
3152 return 0;
3153}
3154
3155static int header_len(__le16 ctl)
3156{
3157 u16 fc = le16_to_cpu(ctl);
3158 switch (fc & 0xc) {
3159 case 4:
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3163 case 8:
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3166 }
3167 return 24;
3168}
3169
3170static void airo_handle_cisco_mic(struct airo_info *ai)
3171{
3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3175 }
3176}
3177
3178/* Airo Status codes */
3179#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188#define STAT_ASSOC 0x0400 /* Associated */
3189#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3190
3191static void airo_print_status(const char *devname, u16 status)
3192{
3193 u8 reason = status & 0xFF;
3194
3195 switch (status & 0xFF00) {
3196 case STAT_NOBEACON:
3197 switch (status) {
3198 case STAT_NOBEACON:
3199 airo_print_dbg(devname, "link lost (missed beacons)");
3200 break;
3201 case STAT_MAXRETRIES:
3202 case STAT_MAXARL:
3203 airo_print_dbg(devname, "link lost (max retries)");
3204 break;
3205 case STAT_FORCELOSS:
3206 airo_print_dbg(devname, "link lost (local choice)");
3207 break;
3208 case STAT_TSFSYNC:
3209 airo_print_dbg(devname, "link lost (TSF sync lost)");
3210 break;
3211 default:
3212 airo_print_dbg(devname, "unknow status %x\n", status);
3213 break;
3214 }
3215 break;
3216 case STAT_DEAUTH:
3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3218 break;
3219 case STAT_DISASSOC:
3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3221 break;
3222 case STAT_ASSOC_FAIL:
3223 airo_print_dbg(devname, "association failed (reason: %d)",
3224 reason);
3225 break;
3226 case STAT_AUTH_FAIL:
3227 airo_print_dbg(devname, "authentication failed (reason: %d)",
3228 reason);
3229 break;
3230 case STAT_ASSOC:
3231 case STAT_REASSOC:
3232 break;
3233 default:
3234 airo_print_dbg(devname, "unknow status %x\n", status);
3235 break;
3236 }
3237}
3238
3239static void airo_handle_link(struct airo_info *ai)
3240{
3241 union iwreq_data wrqu;
3242 int scan_forceloss = 0;
3243 u16 status;
3244
3245 /* Get new status and acknowledge the link change */
3246 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3247 OUT4500(ai, EVACK, EV_LINK);
3248
3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3250 scan_forceloss = 1;
3251
3252 airo_print_status(ai->dev->name, status);
3253
3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3255 if (auto_wep)
3256 ai->expires = 0;
3257 if (ai->list_bss_task)
3258 wake_up_process(ai->list_bss_task);
3259 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3261
3262 if (down_trylock(&ai->sem) != 0) {
3263 set_bit(JOB_EVENT, &ai->jobs);
3264 wake_up_interruptible(&ai->thr_wait);
3265 } else
3266 airo_send_event(ai->dev);
3267 } else if (!scan_forceloss) {
3268 if (auto_wep && !ai->expires) {
3269 ai->expires = RUN_AT(3*HZ);
3270 wake_up_interruptible(&ai->thr_wait);
3271 }
3272
3273 /* Send event to user space */
3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3277 }
3278}
3279
3280static void airo_handle_rx(struct airo_info *ai)
3281{
3282 struct sk_buff *skb = NULL;
3283 __le16 fc, v, *buffer, tmpbuf[4];
3284 u16 len, hdrlen = 0, gap, fid;
3285 struct rx_hdr hdr;
3286 int success = 0;
3287
3288 if (test_bit(FLAG_MPI, &ai->flags)) {
3289 if (test_bit(FLAG_802_11, &ai->flags))
3290 mpi_receive_802_11(ai);
3291 else
3292 mpi_receive_802_3(ai);
3293 OUT4500(ai, EVACK, EV_RX);
3294 return;
3295 }
3296
3297 fid = IN4500(ai, RXFID);
3298
3299 /* Get the packet length */
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3301 bap_setup (ai, fid, 4, BAP0);
3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3303 /* Bad CRC. Ignore packet */
3304 if (le16_to_cpu(hdr.status) & 2)
3305 hdr.len = 0;
3306 if (ai->wifidev == NULL)
3307 hdr.len = 0;
3308 } else {
3309 bap_setup(ai, fid, 0x36, BAP0);
3310 bap_read(ai, &hdr.len, 2, BAP0);
3311 }
3312 len = le16_to_cpu(hdr.len);
3313
3314 if (len > AIRO_DEF_MTU) {
3315 airo_print_err(ai->dev->name, "Bad size %d", len);
3316 goto done;
3317 }
3318 if (len == 0)
3319 goto done;
3320
3321 if (test_bit(FLAG_802_11, &ai->flags)) {
3322 bap_read(ai, &fc, sizeof (fc), BAP0);
3323 hdrlen = header_len(fc);
3324 } else
3325 hdrlen = ETH_ALEN * 2;
3326
3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3328 if (!skb) {
3329 ai->dev->stats.rx_dropped++;
3330 goto done;
3331 }
3332
3333 skb_reserve(skb, 2); /* This way the IP header is aligned */
3334 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3335 if (test_bit(FLAG_802_11, &ai->flags)) {
3336 buffer[0] = fc;
3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3338 if (hdrlen == 24)
3339 bap_read(ai, tmpbuf, 6, BAP0);
3340
3341 bap_read(ai, &v, sizeof(v), BAP0);
3342 gap = le16_to_cpu(v);
3343 if (gap) {
3344 if (gap <= 8) {
3345 bap_read(ai, tmpbuf, gap, BAP0);
3346 } else {
3347 airo_print_err(ai->dev->name, "gaplen too "
3348 "big. Problems will follow...");
3349 }
3350 }
3351 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3352 } else {
3353 MICBuffer micbuf;
3354
3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3356 if (ai->micstats.enabled) {
3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3358 if (ntohs(micbuf.typelen) > 0x05DC)
3359 bap_setup(ai, fid, 0x44, BAP0);
3360 else {
3361 if (len <= sizeof (micbuf)) {
3362 dev_kfree_skb_irq(skb);
3363 goto done;
3364 }
3365
3366 len -= sizeof(micbuf);
3367 skb_trim(skb, len + hdrlen);
3368 }
3369 }
3370
3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3373 dev_kfree_skb_irq (skb);
3374 else
3375 success = 1;
3376 }
3377
3378#ifdef WIRELESS_SPY
3379 if (success && (ai->spy_data.spy_number > 0)) {
3380 char *sa;
3381 struct iw_quality wstats;
3382
3383 /* Prepare spy data : addr + qual */
3384 if (!test_bit(FLAG_802_11, &ai->flags)) {
3385 sa = (char *) buffer + 6;
3386 bap_setup(ai, fid, 8, BAP0);
3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3388 } else
3389 sa = (char *) buffer + 10;
3390 wstats.qual = hdr.rssi[0];
3391 if (ai->rssi)
3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3393 else
3394 wstats.level = (hdr.rssi[1] + 321) / 2;
3395 wstats.noise = ai->wstats.qual.noise;
3396 wstats.updated = IW_QUAL_LEVEL_UPDATED
3397 | IW_QUAL_QUAL_UPDATED
3398 | IW_QUAL_DBM;
3399 /* Update spy records */
3400 wireless_spy_update(ai->dev, sa, &wstats);
3401 }
3402#endif /* WIRELESS_SPY */
3403
3404done:
3405 OUT4500(ai, EVACK, EV_RX);
3406
3407 if (success) {
3408 if (test_bit(FLAG_802_11, &ai->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = ai->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3413 } else
3414 skb->protocol = eth_type_trans(skb, ai->dev);
3415 skb->ip_summed = CHECKSUM_NONE;
3416
3417 netif_rx(skb);
3418 }
3419}
3420
3421static void airo_handle_tx(struct airo_info *ai, u16 status)
3422{
3423 int i, len = 0, index = -1;
3424 u16 fid;
3425
3426 if (test_bit(FLAG_MPI, &ai->flags)) {
3427 unsigned long flags;
3428
3429 if (status & EV_TXEXC)
3430 get_tx_error(ai, -1);
3431
3432 spin_lock_irqsave(&ai->aux_lock, flags);
3433 if (!skb_queue_empty(&ai->txq)) {
3434 spin_unlock_irqrestore(&ai->aux_lock,flags);
3435 mpi_send_packet(ai->dev);
3436 } else {
3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3438 spin_unlock_irqrestore(&ai->aux_lock,flags);
3439 netif_wake_queue(ai->dev);
3440 }
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3442 return;
3443 }
3444
3445 fid = IN4500(ai, TXCOMPLFID);
3446
3447 for(i = 0; i < MAX_FIDS; i++) {
3448 if ((ai->fids[i] & 0xffff) == fid) {
3449 len = ai->fids[i] >> 16;
3450 index = i;
3451 }
3452 }
3453
3454 if (index != -1) {
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, index);
3457
3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3459
3460 /* Set up to be used again */
3461 ai->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3464 netif_wake_queue(ai->dev);
3465 } else {
3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3467 netif_wake_queue(ai->wifidev);
3468 }
3469 } else {
3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3472 }
3473}
3474
3475static irqreturn_t airo_interrupt(int irq, void *dev_id)
3476{
3477 struct net_device *dev = dev_id;
3478 u16 status, savedInterrupts = 0;
3479 struct airo_info *ai = dev->ml_priv;
3480 int handled = 0;
3481
3482 if (!netif_device_present(dev))
3483 return IRQ_NONE;
3484
3485 for (;;) {
3486 status = IN4500(ai, EVSTAT);
3487 if (!(status & STATUS_INTS) || (status == 0xffff))
3488 break;
3489
3490 handled = 1;
3491
3492 if (status & EV_AWAKE) {
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 }
3496
3497 if (!savedInterrupts) {
3498 savedInterrupts = IN4500(ai, EVINTEN);
3499 OUT4500(ai, EVINTEN, 0);
3500 }
3501
3502 if (status & EV_MIC) {
3503 OUT4500(ai, EVACK, EV_MIC);
3504 airo_handle_cisco_mic(ai);
3505 }
3506
3507 if (status & EV_LINK) {
3508 /* Link status changed */
3509 airo_handle_link(ai);
3510 }
3511
3512 /* Check to see if there is something to receive */
3513 if (status & EV_RX)
3514 airo_handle_rx(ai);
3515
3516 /* Check to see if a packet has been transmitted */
3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3518 airo_handle_tx(ai, status);
3519
3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3521 airo_print_warn(ai->dev->name, "Got weird status %x",
3522 status & ~STATUS_INTS & ~IGNORE_INTS );
3523 }
3524 }
3525
3526 if (savedInterrupts)
3527 OUT4500(ai, EVINTEN, savedInterrupts);
3528
3529 return IRQ_RETVAL(handled);
3530}
3531
3532/*
3533 * Routines to talk to the card
3534 */
3535
3536/*
3537 * This was originally written for the 4500, hence the name
3538 * NOTE: If use with 8bit mode and SMP bad things will happen!
3539 * Why would some one do 8 bit IO in an SMP machine?!?
3540 */
3541static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3542 if (test_bit(FLAG_MPI,&ai->flags))
3543 reg <<= 1;
3544 if ( !do8bitIO )
3545 outw( val, ai->dev->base_addr + reg );
3546 else {
3547 outb( val & 0xff, ai->dev->base_addr + reg );
3548 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3549 }
3550}
3551
3552static u16 IN4500( struct airo_info *ai, u16 reg ) {
3553 unsigned short rc;
3554
3555 if (test_bit(FLAG_MPI,&ai->flags))
3556 reg <<= 1;
3557 if ( !do8bitIO )
3558 rc = inw( ai->dev->base_addr + reg );
3559 else {
3560 rc = inb( ai->dev->base_addr + reg );
3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3562 }
3563 return rc;
3564}
3565
3566static int enable_MAC(struct airo_info *ai, int lock)
3567{
3568 int rc;
3569 Cmd cmd;
3570 Resp rsp;
3571
3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3574 * Note : we could try to use !netif_running(dev) in enable_MAC()
3575 * instead of this flag, but I don't trust it *within* the
3576 * open/close functions, and testing both flags together is
3577 * "cheaper" - Jean II */
3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3579
3580 if (lock && down_interruptible(&ai->sem))
3581 return -ERESTARTSYS;
3582
3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3584 memset(&cmd, 0, sizeof(cmd));
3585 cmd.cmd = MAC_ENABLE;
3586 rc = issuecommand(ai, &cmd, &rsp);
3587 if (rc == SUCCESS)
3588 set_bit(FLAG_ENABLED, &ai->flags);
3589 } else
3590 rc = SUCCESS;
3591
3592 if (lock)
3593 up(&ai->sem);
3594
3595 if (rc)
3596 airo_print_err(ai->dev->name, "Cannot enable MAC");
3597 else if ((rsp.status & 0xFF00) != 0) {
3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3600 rc = ERROR;
3601 }
3602 return rc;
3603}
3604
3605static void disable_MAC( struct airo_info *ai, int lock ) {
3606 Cmd cmd;
3607 Resp rsp;
3608
3609 if (lock && down_interruptible(&ai->sem))
3610 return;
3611
3612 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3613 memset(&cmd, 0, sizeof(cmd));
3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3615 issuecommand(ai, &cmd, &rsp);
3616 clear_bit(FLAG_ENABLED, &ai->flags);
3617 }
3618 if (lock)
3619 up(&ai->sem);
3620}
3621
3622static void enable_interrupts( struct airo_info *ai ) {
3623 /* Enable the interrupts */
3624 OUT4500( ai, EVINTEN, STATUS_INTS );
3625}
3626
3627static void disable_interrupts( struct airo_info *ai ) {
3628 OUT4500( ai, EVINTEN, 0 );
3629}
3630
3631static void mpi_receive_802_3(struct airo_info *ai)
3632{
3633 RxFid rxd;
3634 int len = 0;
3635 struct sk_buff *skb;
3636 char *buffer;
3637 int off = 0;
3638 MICBuffer micbuf;
3639
3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3641 /* Make sure we got something */
3642 if (rxd.rdy && rxd.valid == 0) {
3643 len = rxd.len + 12;
3644 if (len < 12 || len > 2048)
3645 goto badrx;
3646
3647 skb = dev_alloc_skb(len);
3648 if (!skb) {
3649 ai->dev->stats.rx_dropped++;
3650 goto badrx;
3651 }
3652 buffer = skb_put(skb,len);
3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3654 if (ai->micstats.enabled) {
3655 memcpy(&micbuf,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3657 sizeof(micbuf));
3658 if (ntohs(micbuf.typelen) <= 0x05DC) {
3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3660 goto badmic;
3661
3662 off = sizeof(micbuf);
3663 skb_trim (skb, len - off);
3664 }
3665 }
3666 memcpy(buffer + ETH_ALEN * 2,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3668 len - ETH_ALEN * 2 - off);
3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3670badmic:
3671 dev_kfree_skb_irq (skb);
3672 goto badrx;
3673 }
3674#ifdef WIRELESS_SPY
3675 if (ai->spy_data.spy_number > 0) {
3676 char *sa;
3677 struct iw_quality wstats;
3678 /* Prepare spy data : addr + qual */
3679 sa = buffer + ETH_ALEN;
3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3681 wstats.level = 0;
3682 wstats.updated = 0;
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3685 }
3686#endif /* WIRELESS_SPY */
3687
3688 skb->ip_summed = CHECKSUM_NONE;
3689 skb->protocol = eth_type_trans(skb, ai->dev);
3690 netif_rx(skb);
3691 }
3692badrx:
3693 if (rxd.valid == 0) {
3694 rxd.valid = 1;
3695 rxd.rdy = 0;
3696 rxd.len = PKTSIZE;
3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3698 }
3699}
3700
3701static void mpi_receive_802_11(struct airo_info *ai)
3702{
3703 RxFid rxd;
3704 struct sk_buff *skb = NULL;
3705 u16 len, hdrlen = 0;
3706 __le16 fc;
3707 struct rx_hdr hdr;
3708 u16 gap;
3709 u16 *buffer;
3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3711
3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3713 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3714 ptr += sizeof(hdr);
3715 /* Bad CRC. Ignore packet */
3716 if (le16_to_cpu(hdr.status) & 2)
3717 hdr.len = 0;
3718 if (ai->wifidev == NULL)
3719 hdr.len = 0;
3720 len = le16_to_cpu(hdr.len);
3721 if (len > AIRO_DEF_MTU) {
3722 airo_print_err(ai->dev->name, "Bad size %d", len);
3723 goto badrx;
3724 }
3725 if (len == 0)
3726 goto badrx;
3727
3728 fc = get_unaligned((__le16 *)ptr);
3729 hdrlen = header_len(fc);
3730
3731 skb = dev_alloc_skb( len + hdrlen + 2 );
3732 if ( !skb ) {
3733 ai->dev->stats.rx_dropped++;
3734 goto badrx;
3735 }
3736 buffer = (u16*)skb_put (skb, len + hdrlen);
3737 memcpy ((char *)buffer, ptr, hdrlen);
3738 ptr += hdrlen;
3739 if (hdrlen == 24)
3740 ptr += 6;
3741 gap = get_unaligned_le16(ptr);
3742 ptr += sizeof(__le16);
3743 if (gap) {
3744 if (gap <= 8)
3745 ptr += gap;
3746 else
3747 airo_print_err(ai->dev->name,
3748 "gaplen too big. Problems will follow...");
3749 }
3750 memcpy ((char *)buffer + hdrlen, ptr, len);
3751 ptr += len;
3752#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3753 if (ai->spy_data.spy_number > 0) {
3754 char *sa;
3755 struct iw_quality wstats;
3756 /* Prepare spy data : addr + qual */
3757 sa = (char*)buffer + 10;
3758 wstats.qual = hdr.rssi[0];
3759 if (ai->rssi)
3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3761 else
3762 wstats.level = (hdr.rssi[1] + 321) / 2;
3763 wstats.noise = ai->wstats.qual.noise;
3764 wstats.updated = IW_QUAL_QUAL_UPDATED
3765 | IW_QUAL_LEVEL_UPDATED
3766 | IW_QUAL_DBM;
3767 /* Update spy records */
3768 wireless_spy_update(ai->dev, sa, &wstats);
3769 }
3770#endif /* IW_WIRELESS_SPY */
3771 skb_reset_mac_header(skb);
3772 skb->pkt_type = PACKET_OTHERHOST;
3773 skb->dev = ai->wifidev;
3774 skb->protocol = htons(ETH_P_802_2);
3775 skb->ip_summed = CHECKSUM_NONE;
3776 netif_rx( skb );
3777
3778badrx:
3779 if (rxd.valid == 0) {
3780 rxd.valid = 1;
3781 rxd.rdy = 0;
3782 rxd.len = PKTSIZE;
3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3784 }
3785}
3786
3787static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3788{
3789 Cmd cmd;
3790 Resp rsp;
3791 int status;
3792 SsidRid mySsid;
3793 __le16 lastindex;
3794 WepKeyRid wkr;
3795 int rc;
3796
3797 memset( &mySsid, 0, sizeof( mySsid ) );
3798 kfree (ai->flash);
3799 ai->flash = NULL;
3800
3801 /* The NOP is the first step in getting the card going */
3802 cmd.cmd = NOP;
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3805 return ERROR;
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3807 if (lock)
3808 up(&ai->sem);
3809 return ERROR;
3810 }
3811 disable_MAC( ai, 0);
3812
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3817 if (lock)
3818 up(&ai->sem);
3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
3820 return ERROR;
3821 }
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3825 } else {
3826 ai->bap_read = aux_bap_read;
3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3828 }
3829 }
3830 if (lock)
3831 up(&ai->sem);
3832 if (ai->config.len == 0) {
3833 int i;
3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3836
3837 kfree(ai->APList);
3838 ai->APList = NULL;
3839 kfree(ai->SSID);
3840 ai->SSID = NULL;
3841 // general configuration (read/modify/write)
3842 status = readConfigRid(ai, lock);
3843 if ( status != SUCCESS ) return ERROR;
3844
3845 status = readCapabilityRid(ai, &cap_rid, lock);
3846 if ( status != SUCCESS ) return ERROR;
3847
3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3849 if ( status == SUCCESS ) {
3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3852 }
3853 else {
3854 kfree(ai->rssi);
3855 ai->rssi = NULL;
3856 if (cap_rid.softCap & cpu_to_le16(8))
3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3858 else
3859 airo_print_warn(ai->dev->name, "unknown received signal "
3860 "level scale");
3861 }
3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3863 ai->config.authType = AUTH_OPEN;
3864 ai->config.modulation = MOD_CCK;
3865
3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3867 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3868 micsetup(ai) == SUCCESS) {
3869 ai->config.opmode |= MODE_MIC;
3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3871 }
3872
3873 /* Save off the MAC */
3874 for( i = 0; i < ETH_ALEN; i++ ) {
3875 mac[i] = ai->config.macAddr[i];
3876 }
3877
3878 /* Check to see if there are any insmod configured
3879 rates to add */
3880 if ( rates[0] ) {
3881 memset(ai->config.rates,0,sizeof(ai->config.rates));
3882 for( i = 0; i < 8 && rates[i]; i++ ) {
3883 ai->config.rates[i] = rates[i];
3884 }
3885 }
3886 set_bit (FLAG_COMMIT, &ai->flags);
3887 }
3888
3889 /* Setup the SSIDs if present */
3890 if ( ssids[0] ) {
3891 int i;
3892 for( i = 0; i < 3 && ssids[i]; i++ ) {
3893 size_t len = strlen(ssids[i]);
3894 if (len > 32)
3895 len = 32;
3896 mySsid.ssids[i].len = cpu_to_le16(len);
3897 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3898 }
3899 mySsid.len = cpu_to_le16(sizeof(mySsid));
3900 }
3901
3902 status = writeConfigRid(ai, lock);
3903 if ( status != SUCCESS ) return ERROR;
3904
3905 /* Set up the SSID list */
3906 if ( ssids[0] ) {
3907 status = writeSsidRid(ai, &mySsid, lock);
3908 if ( status != SUCCESS ) return ERROR;
3909 }
3910
3911 status = enable_MAC(ai, lock);
3912 if (status != SUCCESS)
3913 return ERROR;
3914
3915 /* Grab the initial wep key, we gotta save it for auto_wep */
3916 rc = readWepKeyRid(ai, &wkr, 1, lock);
3917 if (rc == SUCCESS) do {
3918 lastindex = wkr.kindex;
3919 if (wkr.kindex == cpu_to_le16(0xffff)) {
3920 ai->defindex = wkr.mac[0];
3921 }
3922 rc = readWepKeyRid(ai, &wkr, 0, lock);
3923 } while(lastindex != wkr.kindex);
3924
3925 try_auto_wep(ai);
3926
3927 return SUCCESS;
3928}
3929
3930static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3933
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3936
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3947 schedule();
3948 }
3949
3950 if ( max_tries == -1 ) {
3951 airo_print_err(ai->dev->name,
3952 "Max tries exceeded when issuing command");
3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3955 return ERROR;
3956 }
3957
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3967 pRsp->rsp2);
3968
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 }
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3975
3976 return SUCCESS;
3977}
3978
3979/* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3981 * calling! */
3982static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983{
3984 int timeout = 50;
3985 int max_tries = 3;
3986
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3989 while (1) {
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3993 close */
3994 if (timeout--) {
3995 continue;
3996 }
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
3999 airo_print_err(ai->dev->name, "BAP error %x %d",
4000 status, whichbap );
4001 return ERROR;
4002 } else if (status & BAP_DONE) { // success
4003 return SUCCESS;
4004 }
4005 if ( !(max_tries--) ) {
4006 airo_print_err(ai->dev->name,
4007 "BAP setup error too many retries\n");
4008 return ERROR;
4009 }
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4013 timeout = 50;
4014 }
4015}
4016
4017/* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4022{
4023 u16 next;
4024
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4030 return next;
4031}
4032
4033/* requires call to bap_setup() first */
4034static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4035 int bytelen, int whichbap)
4036{
4037 u16 len;
4038 u16 page;
4039 u16 offset;
4040 u16 next;
4041 int words;
4042 int i;
4043 unsigned long flags;
4044
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4050
4051 for (i=0; i<words;) {
4052 int count;
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4054 if ( !do8bitIO )
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4056 pu16Dst+i,count );
4057 else
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4060 i += count;
4061 if (i<words) {
4062 next = aux_setup(ai, next, 4, &len);
4063 }
4064 }
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4066 return SUCCESS;
4067}
4068
4069
4070/* requires call to bap_setup() first */
4071static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4072 int bytelen, int whichbap)
4073{
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4075 if ( !do8bitIO )
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4077 else
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4079 return SUCCESS;
4080}
4081
4082/* requires call to bap_setup() first */
4083static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4084 int bytelen, int whichbap)
4085{
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4087 if ( !do8bitIO )
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4090 else
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4092 return SUCCESS;
4093}
4094
4095static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4096{
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4099 u16 status;
4100
4101 memset(&cmd, 0, sizeof(cmd));
4102 cmd.cmd = accmd;
4103 cmd.parm0 = rid;
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 }
4109 return 0;
4110}
4111
4112/* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115{
4116 u16 status;
4117 int rc = SUCCESS;
4118
4119 if (lock) {
4120 if (down_interruptible(&ai->sem))
4121 return ERROR;
4122 }
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4124 Cmd cmd;
4125 Resp rsp;
4126
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4133
4134 cmd.cmd = CMD_ACCESS;
4135 cmd.parm0 = rid;
4136
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4139
4140 rc = issuecommand(ai, &cmd, &rsp);
4141
4142 if (rsp.status & 0x7f00)
4143 rc = rsp.rsp0;
4144 if (!rc)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4146 goto done;
4147 } else {
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4149 rc = status;
4150 goto done;
4151 }
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4153 rc = ERROR;
4154 goto done;
4155 }
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
4159 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4160
4161 if ( len <= 2 ) {
4162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
4164 (int)rid, (int)len );
4165 rc = ERROR;
4166 goto done;
4167 }
4168 // read remainder of the rid
4169 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4170 }
4171done:
4172 if (lock)
4173 up(&ai->sem);
4174 return rc;
4175}
4176
4177/* Note, that we are using BAP1 which is also used by transmit, so
4178 * make sure this isn't called when a transmit is happening */
4179static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4181{
4182 u16 status;
4183 int rc = SUCCESS;
4184
4185 *(__le16*)pBuf = cpu_to_le16((u16)len);
4186
4187 if (lock) {
4188 if (down_interruptible(&ai->sem))
4189 return ERROR;
4190 }
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4192 Cmd cmd;
4193 Resp rsp;
4194
4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
4198 __func__, rid);
4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4201
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4205
4206 cmd.cmd = CMD_WRITERID;
4207 cmd.parm0 = rid;
4208
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4211
4212 if (len < 4 || len > 2047) {
4213 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4214 rc = -1;
4215 } else {
4216 memcpy((char *)ai->config_desc.virtual_host_addr,
4217 pBuf, len);
4218
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4222 __func__, rc);
4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4224 __func__, cmd.cmd);
4225 }
4226
4227 if ((rsp.status & 0x7f00))
4228 rc = rsp.rsp0;
4229 }
4230 } else {
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4233 rc = status;
4234 goto done;
4235 }
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4238 rc = ERROR;
4239 goto done;
4240 }
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 }
4245done:
4246 if (lock)
4247 up(&ai->sem);
4248 return rc;
4249}
4250
4251/* Allocates a FID to be used for transmitting packets. We only use
4252 one for now. */
4253static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4254{
4255 unsigned int loop = 3000;
4256 Cmd cmd;
4257 Resp rsp;
4258 u16 txFid;
4259 __le16 txControl;
4260
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4264 return ERROR;
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4266 txFid = ERROR;
4267 goto done;
4268 }
4269 if ( (rsp.status & 0xFF00) != 0) {
4270 txFid = ERROR;
4271 goto done;
4272 }
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4277 if (!loop) {
4278 txFid = ERROR;
4279 goto done;
4280 }
4281
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4285
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4291 if (raw)
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4294 else
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4298 txFid = ERROR;
4299 else
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301
4302done:
4303 up(&ai->sem);
4304
4305 return txFid;
4306}
4307
4308/* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4312{
4313 __le16 payloadLen;
4314 Cmd cmd;
4315 Resp rsp;
4316 int miclen = 0;
4317 u16 txFid = len;
4318 MICBuffer pMic;
4319
4320 len >>= 16;
4321
4322 if (len <= ETH_ALEN * 2) {
4323 airo_print_warn(ai->dev->name, "Short packet %d", len);
4324 return ERROR;
4325 }
4326 len -= ETH_ALEN * 2;
4327
4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4329 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4331 return ERROR;
4332 miclen = sizeof(pMic);
4333 }
4334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4342 if (miclen)
4343 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4348 cmd.parm0 = txFid;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4351 return SUCCESS;
4352}
4353
4354static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4355{
4356 __le16 fc, payloadLen;
4357 Cmd cmd;
4358 Resp rsp;
4359 int hdrlen;
4360 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4361 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4362 u16 txFid = len;
4363 len >>= 16;
4364
4365 fc = *(__le16*)pPacket;
4366 hdrlen = header_len(fc);
4367
4368 if (len < hdrlen) {
4369 airo_print_warn(ai->dev->name, "Short packet %d", len);
4370 return ERROR;
4371 }
4372
4373 /* packet is 802.11 header + payload
4374 * write the payload length and dst/src/payload */
4375 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4376 /* The 802.11 header aren't counted as part of the payload, so
4377 * we have to subtract the header bytes off */
4378 payloadLen = cpu_to_le16(len-hdrlen);
4379 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4380 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4381 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4382 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4383
4384 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4385 // issue the transmit command
4386 memset( &cmd, 0, sizeof( cmd ) );
4387 cmd.cmd = CMD_TRANSMIT;
4388 cmd.parm0 = txFid;
4389 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4390 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4391 return SUCCESS;
4392}
4393
4394/*
4395 * This is the proc_fs routines. It is a bit messier than I would
4396 * like! Feel free to clean it up!
4397 */
4398
4399static ssize_t proc_read( struct file *file,
4400 char __user *buffer,
4401 size_t len,
4402 loff_t *offset);
4403
4404static ssize_t proc_write( struct file *file,
4405 const char __user *buffer,
4406 size_t len,
4407 loff_t *offset );
4408static int proc_close( struct inode *inode, struct file *file );
4409
4410static int proc_stats_open( struct inode *inode, struct file *file );
4411static int proc_statsdelta_open( struct inode *inode, struct file *file );
4412static int proc_status_open( struct inode *inode, struct file *file );
4413static int proc_SSID_open( struct inode *inode, struct file *file );
4414static int proc_APList_open( struct inode *inode, struct file *file );
4415static int proc_BSSList_open( struct inode *inode, struct file *file );
4416static int proc_config_open( struct inode *inode, struct file *file );
4417static int proc_wepkey_open( struct inode *inode, struct file *file );
4418
4419static const struct file_operations proc_statsdelta_ops = {
4420 .owner = THIS_MODULE,
4421 .read = proc_read,
4422 .open = proc_statsdelta_open,
4423 .release = proc_close,
4424 .llseek = default_llseek,
4425};
4426
4427static const struct file_operations proc_stats_ops = {
4428 .owner = THIS_MODULE,
4429 .read = proc_read,
4430 .open = proc_stats_open,
4431 .release = proc_close,
4432 .llseek = default_llseek,
4433};
4434
4435static const struct file_operations proc_status_ops = {
4436 .owner = THIS_MODULE,
4437 .read = proc_read,
4438 .open = proc_status_open,
4439 .release = proc_close,
4440 .llseek = default_llseek,
4441};
4442
4443static const struct file_operations proc_SSID_ops = {
4444 .owner = THIS_MODULE,
4445 .read = proc_read,
4446 .write = proc_write,
4447 .open = proc_SSID_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4450};
4451
4452static const struct file_operations proc_BSSList_ops = {
4453 .owner = THIS_MODULE,
4454 .read = proc_read,
4455 .write = proc_write,
4456 .open = proc_BSSList_open,
4457 .release = proc_close,
4458 .llseek = default_llseek,
4459};
4460
4461static const struct file_operations proc_APList_ops = {
4462 .owner = THIS_MODULE,
4463 .read = proc_read,
4464 .write = proc_write,
4465 .open = proc_APList_open,
4466 .release = proc_close,
4467 .llseek = default_llseek,
4468};
4469
4470static const struct file_operations proc_config_ops = {
4471 .owner = THIS_MODULE,
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_config_open,
4475 .release = proc_close,
4476 .llseek = default_llseek,
4477};
4478
4479static const struct file_operations proc_wepkey_ops = {
4480 .owner = THIS_MODULE,
4481 .read = proc_read,
4482 .write = proc_write,
4483 .open = proc_wepkey_open,
4484 .release = proc_close,
4485 .llseek = default_llseek,
4486};
4487
4488static struct proc_dir_entry *airo_entry;
4489
4490struct proc_data {
4491 int release_buffer;
4492 int readlen;
4493 char *rbuffer;
4494 int writelen;
4495 int maxwritelen;
4496 char *wbuffer;
4497 void (*on_close) (struct inode *, struct file *);
4498};
4499
4500static int setup_proc_entry( struct net_device *dev,
4501 struct airo_info *apriv ) {
4502 struct proc_dir_entry *entry;
4503 /* First setup the device directory */
4504 strcpy(apriv->proc_name,dev->name);
4505 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4506 airo_entry);
4507 if (!apriv->proc_entry)
4508 goto fail;
4509 apriv->proc_entry->uid = proc_uid;
4510 apriv->proc_entry->gid = proc_gid;
4511
4512 /* Setup the StatsDelta */
4513 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4514 apriv->proc_entry, &proc_statsdelta_ops, dev);
4515 if (!entry)
4516 goto fail_stats_delta;
4517 entry->uid = proc_uid;
4518 entry->gid = proc_gid;
4519
4520 /* Setup the Stats */
4521 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4522 apriv->proc_entry, &proc_stats_ops, dev);
4523 if (!entry)
4524 goto fail_stats;
4525 entry->uid = proc_uid;
4526 entry->gid = proc_gid;
4527
4528 /* Setup the Status */
4529 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4530 apriv->proc_entry, &proc_status_ops, dev);
4531 if (!entry)
4532 goto fail_status;
4533 entry->uid = proc_uid;
4534 entry->gid = proc_gid;
4535
4536 /* Setup the Config */
4537 entry = proc_create_data("Config", proc_perm,
4538 apriv->proc_entry, &proc_config_ops, dev);
4539 if (!entry)
4540 goto fail_config;
4541 entry->uid = proc_uid;
4542 entry->gid = proc_gid;
4543
4544 /* Setup the SSID */
4545 entry = proc_create_data("SSID", proc_perm,
4546 apriv->proc_entry, &proc_SSID_ops, dev);
4547 if (!entry)
4548 goto fail_ssid;
4549 entry->uid = proc_uid;
4550 entry->gid = proc_gid;
4551
4552 /* Setup the APList */
4553 entry = proc_create_data("APList", proc_perm,
4554 apriv->proc_entry, &proc_APList_ops, dev);
4555 if (!entry)
4556 goto fail_aplist;
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4559
4560 /* Setup the BSSList */
4561 entry = proc_create_data("BSSList", proc_perm,
4562 apriv->proc_entry, &proc_BSSList_ops, dev);
4563 if (!entry)
4564 goto fail_bsslist;
4565 entry->uid = proc_uid;
4566 entry->gid = proc_gid;
4567
4568 /* Setup the WepKey */
4569 entry = proc_create_data("WepKey", proc_perm,
4570 apriv->proc_entry, &proc_wepkey_ops, dev);
4571 if (!entry)
4572 goto fail_wepkey;
4573 entry->uid = proc_uid;
4574 entry->gid = proc_gid;
4575
4576 return 0;
4577
4578fail_wepkey:
4579 remove_proc_entry("BSSList", apriv->proc_entry);
4580fail_bsslist:
4581 remove_proc_entry("APList", apriv->proc_entry);
4582fail_aplist:
4583 remove_proc_entry("SSID", apriv->proc_entry);
4584fail_ssid:
4585 remove_proc_entry("Config", apriv->proc_entry);
4586fail_config:
4587 remove_proc_entry("Status", apriv->proc_entry);
4588fail_status:
4589 remove_proc_entry("Stats", apriv->proc_entry);
4590fail_stats:
4591 remove_proc_entry("StatsDelta", apriv->proc_entry);
4592fail_stats_delta:
4593 remove_proc_entry(apriv->proc_name, airo_entry);
4594fail:
4595 return -ENOMEM;
4596}
4597
4598static int takedown_proc_entry( struct net_device *dev,
4599 struct airo_info *apriv ) {
4600 if ( !apriv->proc_entry->namelen ) return 0;
4601 remove_proc_entry("Stats",apriv->proc_entry);
4602 remove_proc_entry("StatsDelta",apriv->proc_entry);
4603 remove_proc_entry("Status",apriv->proc_entry);
4604 remove_proc_entry("Config",apriv->proc_entry);
4605 remove_proc_entry("SSID",apriv->proc_entry);
4606 remove_proc_entry("APList",apriv->proc_entry);
4607 remove_proc_entry("BSSList",apriv->proc_entry);
4608 remove_proc_entry("WepKey",apriv->proc_entry);
4609 remove_proc_entry(apriv->proc_name,airo_entry);
4610 return 0;
4611}
4612
4613/*
4614 * What we want from the proc_fs is to be able to efficiently read
4615 * and write the configuration. To do this, we want to read the
4616 * configuration when the file is opened and write it when the file is
4617 * closed. So basically we allocate a read buffer at open and fill it
4618 * with data, and allocate a write buffer and read it at close.
4619 */
4620
4621/*
4622 * The read routine is generic, it relies on the preallocated rbuffer
4623 * to supply the data.
4624 */
4625static ssize_t proc_read( struct file *file,
4626 char __user *buffer,
4627 size_t len,
4628 loff_t *offset )
4629{
4630 struct proc_data *priv = file->private_data;
4631
4632 if (!priv->rbuffer)
4633 return -EINVAL;
4634
4635 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4636 priv->readlen);
4637}
4638
4639/*
4640 * The write routine is generic, it fills in a preallocated rbuffer
4641 * to supply the data.
4642 */
4643static ssize_t proc_write( struct file *file,
4644 const char __user *buffer,
4645 size_t len,
4646 loff_t *offset )
4647{
4648 ssize_t ret;
4649 struct proc_data *priv = file->private_data;
4650
4651 if (!priv->wbuffer)
4652 return -EINVAL;
4653
4654 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4655 buffer, len);
4656 if (ret > 0)
4657 priv->writelen = max_t(int, priv->writelen, *offset);
4658
4659 return ret;
4660}
4661
4662static int proc_status_open(struct inode *inode, struct file *file)
4663{
4664 struct proc_data *data;
4665 struct proc_dir_entry *dp = PDE(inode);
4666 struct net_device *dev = dp->data;
4667 struct airo_info *apriv = dev->ml_priv;
4668 CapabilityRid cap_rid;
4669 StatusRid status_rid;
4670 u16 mode;
4671 int i;
4672
4673 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4674 return -ENOMEM;
4675 data = file->private_data;
4676 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4677 kfree (file->private_data);
4678 return -ENOMEM;
4679 }
4680
4681 readStatusRid(apriv, &status_rid, 1);
4682 readCapabilityRid(apriv, &cap_rid, 1);
4683
4684 mode = le16_to_cpu(status_rid.mode);
4685
4686 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4687 mode & 1 ? "CFG ": "",
4688 mode & 2 ? "ACT ": "",
4689 mode & 0x10 ? "SYN ": "",
4690 mode & 0x20 ? "LNK ": "",
4691 mode & 0x40 ? "LEAP ": "",
4692 mode & 0x80 ? "PRIV ": "",
4693 mode & 0x100 ? "KEY ": "",
4694 mode & 0x200 ? "WEP ": "",
4695 mode & 0x8000 ? "ERR ": "");
4696 sprintf( data->rbuffer+i, "Mode: %x\n"
4697 "Signal Strength: %d\n"
4698 "Signal Quality: %d\n"
4699 "SSID: %-.*s\n"
4700 "AP: %-.16s\n"
4701 "Freq: %d\n"
4702 "BitRate: %dmbs\n"
4703 "Driver Version: %s\n"
4704 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4705 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4706 "Software Version: %x\nSoftware Subversion: %x\n"
4707 "Boot block version: %x\n",
4708 le16_to_cpu(status_rid.mode),
4709 le16_to_cpu(status_rid.normalizedSignalStrength),
4710 le16_to_cpu(status_rid.signalQuality),
4711 le16_to_cpu(status_rid.SSIDlen),
4712 status_rid.SSID,
4713 status_rid.apName,
4714 le16_to_cpu(status_rid.channel),
4715 le16_to_cpu(status_rid.currentXmitRate) / 2,
4716 version,
4717 cap_rid.prodName,
4718 cap_rid.manName,
4719 cap_rid.prodVer,
4720 le16_to_cpu(cap_rid.radioType),
4721 le16_to_cpu(cap_rid.country),
4722 le16_to_cpu(cap_rid.hardVer),
4723 le16_to_cpu(cap_rid.softVer),
4724 le16_to_cpu(cap_rid.softSubVer),
4725 le16_to_cpu(cap_rid.bootBlockVer));
4726 data->readlen = strlen( data->rbuffer );
4727 return 0;
4728}
4729
4730static int proc_stats_rid_open(struct inode*, struct file*, u16);
4731static int proc_statsdelta_open( struct inode *inode,
4732 struct file *file ) {
4733 if (file->f_mode&FMODE_WRITE) {
4734 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4735 }
4736 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4737}
4738
4739static int proc_stats_open( struct inode *inode, struct file *file ) {
4740 return proc_stats_rid_open(inode, file, RID_STATS);
4741}
4742
4743static int proc_stats_rid_open( struct inode *inode,
4744 struct file *file,
4745 u16 rid )
4746{
4747 struct proc_data *data;
4748 struct proc_dir_entry *dp = PDE(inode);
4749 struct net_device *dev = dp->data;
4750 struct airo_info *apriv = dev->ml_priv;
4751 StatsRid stats;
4752 int i, j;
4753 __le32 *vals = stats.vals;
4754 int len;
4755
4756 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4757 return -ENOMEM;
4758 data = file->private_data;
4759 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4760 kfree (file->private_data);
4761 return -ENOMEM;
4762 }
4763
4764 readStatsRid(apriv, &stats, rid, 1);
4765 len = le16_to_cpu(stats.len);
4766
4767 j = 0;
4768 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4769 if (!statsLabels[i]) continue;
4770 if (j+strlen(statsLabels[i])+16>4096) {
4771 airo_print_warn(apriv->dev->name,
4772 "Potentially disastrous buffer overflow averted!");
4773 break;
4774 }
4775 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4776 le32_to_cpu(vals[i]));
4777 }
4778 if (i*4 >= len) {
4779 airo_print_warn(apriv->dev->name, "Got a short rid");
4780 }
4781 data->readlen = j;
4782 return 0;
4783}
4784
4785static int get_dec_u16( char *buffer, int *start, int limit ) {
4786 u16 value;
4787 int valid = 0;
4788 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4789 buffer[*start] <= '9'; (*start)++) {
4790 valid = 1;
4791 value *= 10;
4792 value += buffer[*start] - '0';
4793 }
4794 if ( !valid ) return -1;
4795 return value;
4796}
4797
4798static int airo_config_commit(struct net_device *dev,
4799 struct iw_request_info *info, void *zwrq,
4800 char *extra);
4801
4802static inline int sniffing_mode(struct airo_info *ai)
4803{
4804 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4805 le16_to_cpu(RXMODE_RFMON);
4806}
4807
4808static void proc_config_on_close(struct inode *inode, struct file *file)
4809{
4810 struct proc_data *data = file->private_data;
4811 struct proc_dir_entry *dp = PDE(inode);
4812 struct net_device *dev = dp->data;
4813 struct airo_info *ai = dev->ml_priv;
4814 char *line;
4815
4816 if ( !data->writelen ) return;
4817
4818 readConfigRid(ai, 1);
4819 set_bit (FLAG_COMMIT, &ai->flags);
4820
4821 line = data->wbuffer;
4822 while( line[0] ) {
4823/*** Mode processing */
4824 if ( !strncmp( line, "Mode: ", 6 ) ) {
4825 line += 6;
4826 if (sniffing_mode(ai))
4827 set_bit (FLAG_RESET, &ai->flags);
4828 ai->config.rmode &= ~RXMODE_FULL_MASK;
4829 clear_bit (FLAG_802_11, &ai->flags);
4830 ai->config.opmode &= ~MODE_CFG_MASK;
4831 ai->config.scanMode = SCANMODE_ACTIVE;
4832 if ( line[0] == 'a' ) {
4833 ai->config.opmode |= MODE_STA_IBSS;
4834 } else {
4835 ai->config.opmode |= MODE_STA_ESS;
4836 if ( line[0] == 'r' ) {
4837 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4838 ai->config.scanMode = SCANMODE_PASSIVE;
4839 set_bit (FLAG_802_11, &ai->flags);
4840 } else if ( line[0] == 'y' ) {
4841 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4842 ai->config.scanMode = SCANMODE_PASSIVE;
4843 set_bit (FLAG_802_11, &ai->flags);
4844 } else if ( line[0] == 'l' )
4845 ai->config.rmode |= RXMODE_LANMON;
4846 }
4847 set_bit (FLAG_COMMIT, &ai->flags);
4848 }
4849
4850/*** Radio status */
4851 else if (!strncmp(line,"Radio: ", 7)) {
4852 line += 7;
4853 if (!strncmp(line,"off",3)) {
4854 set_bit (FLAG_RADIO_OFF, &ai->flags);
4855 } else {
4856 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4857 }
4858 }
4859/*** NodeName processing */
4860 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4861 int j;
4862
4863 line += 10;
4864 memset( ai->config.nodeName, 0, 16 );
4865/* Do the name, assume a space between the mode and node name */
4866 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4867 ai->config.nodeName[j] = line[j];
4868 }
4869 set_bit (FLAG_COMMIT, &ai->flags);
4870 }
4871
4872/*** PowerMode processing */
4873 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4874 line += 11;
4875 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4876 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "PSP", 3 ) ) {
4879 ai->config.powerSaveMode = POWERSAVE_PSP;
4880 set_bit (FLAG_COMMIT, &ai->flags);
4881 } else {
4882 ai->config.powerSaveMode = POWERSAVE_CAM;
4883 set_bit (FLAG_COMMIT, &ai->flags);
4884 }
4885 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4886 int v, i = 0, k = 0; /* i is index into line,
4887 k is index to rates */
4888
4889 line += 11;
4890 while((v = get_dec_u16(line, &i, 3))!=-1) {
4891 ai->config.rates[k++] = (u8)v;
4892 line += i + 1;
4893 i = 0;
4894 }
4895 set_bit (FLAG_COMMIT, &ai->flags);
4896 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4897 int v, i = 0;
4898 line += 9;
4899 v = get_dec_u16(line, &i, i+3);
4900 if ( v != -1 ) {
4901 ai->config.channelSet = cpu_to_le16(v);
4902 set_bit (FLAG_COMMIT, &ai->flags);
4903 }
4904 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4905 int v, i = 0;
4906 line += 11;
4907 v = get_dec_u16(line, &i, i+3);
4908 if ( v != -1 ) {
4909 ai->config.txPower = cpu_to_le16(v);
4910 set_bit (FLAG_COMMIT, &ai->flags);
4911 }
4912 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4913 line += 5;
4914 switch( line[0] ) {
4915 case 's':
4916 ai->config.authType = AUTH_SHAREDKEY;
4917 break;
4918 case 'e':
4919 ai->config.authType = AUTH_ENCRYPT;
4920 break;
4921 default:
4922 ai->config.authType = AUTH_OPEN;
4923 break;
4924 }
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4927 int v, i = 0;
4928
4929 line += 16;
4930 v = get_dec_u16(line, &i, 3);
4931 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4932 ai->config.longRetryLimit = cpu_to_le16(v);
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4935 int v, i = 0;
4936
4937 line += 17;
4938 v = get_dec_u16(line, &i, 3);
4939 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4940 ai->config.shortRetryLimit = cpu_to_le16(v);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4943 int v, i = 0;
4944
4945 line += 14;
4946 v = get_dec_u16(line, &i, 4);
4947 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4948 ai->config.rtsThres = cpu_to_le16(v);
4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4951 int v, i = 0;
4952
4953 line += 16;
4954 v = get_dec_u16(line, &i, 5);
4955 v = (v<0) ? 0 : v;
4956 ai->config.txLifetime = cpu_to_le16(v);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4959 int v, i = 0;
4960
4961 line += 16;
4962 v = get_dec_u16(line, &i, 5);
4963 v = (v<0) ? 0 : v;
4964 ai->config.rxLifetime = cpu_to_le16(v);
4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4967 ai->config.txDiversity =
4968 (line[13]=='l') ? 1 :
4969 ((line[13]=='r')? 2: 3);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4972 ai->config.rxDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4977 int v, i = 0;
4978
4979 line += 15;
4980 v = get_dec_u16(line, &i, 4);
4981 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4982 v = v & 0xfffe; /* Make sure its even */
4983 ai->config.fragThresh = cpu_to_le16(v);
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if (!strncmp(line, "Modulation: ", 12)) {
4986 line += 12;
4987 switch(*line) {
4988 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4992 }
4993 } else if (!strncmp(line, "Preamble: ", 10)) {
4994 line += 10;
4995 switch(*line) {
4996 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5000 }
5001 } else {
5002 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5003 }
5004 while( line[0] && line[0] != '\n' ) line++;
5005 if ( line[0] ) line++;
5006 }
5007 airo_config_commit(dev, NULL, NULL, NULL);
5008}
5009
5010static const char *get_rmode(__le16 mode)
5011{
5012 switch(mode & RXMODE_MASK) {
5013 case RXMODE_RFMON: return "rfmon";
5014 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5015 case RXMODE_LANMON: return "lanmon";
5016 }
5017 return "ESS";
5018}
5019
5020static int proc_config_open(struct inode *inode, struct file *file)
5021{
5022 struct proc_data *data;
5023 struct proc_dir_entry *dp = PDE(inode);
5024 struct net_device *dev = dp->data;
5025 struct airo_info *ai = dev->ml_priv;
5026 int i;
5027 __le16 mode;
5028
5029 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5030 return -ENOMEM;
5031 data = file->private_data;
5032 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5033 kfree (file->private_data);
5034 return -ENOMEM;
5035 }
5036 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5037 kfree (data->rbuffer);
5038 kfree (file->private_data);
5039 return -ENOMEM;
5040 }
5041 data->maxwritelen = 2048;
5042 data->on_close = proc_config_on_close;
5043
5044 readConfigRid(ai, 1);
5045
5046 mode = ai->config.opmode & MODE_CFG_MASK;
5047 i = sprintf( data->rbuffer,
5048 "Mode: %s\n"
5049 "Radio: %s\n"
5050 "NodeName: %-16s\n"
5051 "PowerMode: %s\n"
5052 "DataRates: %d %d %d %d %d %d %d %d\n"
5053 "Channel: %d\n"
5054 "XmitPower: %d\n",
5055 mode == MODE_STA_IBSS ? "adhoc" :
5056 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5057 mode == MODE_AP ? "AP" :
5058 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5059 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5060 ai->config.nodeName,
5061 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5062 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5063 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5064 "Error",
5065 (int)ai->config.rates[0],
5066 (int)ai->config.rates[1],
5067 (int)ai->config.rates[2],
5068 (int)ai->config.rates[3],
5069 (int)ai->config.rates[4],
5070 (int)ai->config.rates[5],
5071 (int)ai->config.rates[6],
5072 (int)ai->config.rates[7],
5073 le16_to_cpu(ai->config.channelSet),
5074 le16_to_cpu(ai->config.txPower)
5075 );
5076 sprintf( data->rbuffer + i,
5077 "LongRetryLimit: %d\n"
5078 "ShortRetryLimit: %d\n"
5079 "RTSThreshold: %d\n"
5080 "TXMSDULifetime: %d\n"
5081 "RXMSDULifetime: %d\n"
5082 "TXDiversity: %s\n"
5083 "RXDiversity: %s\n"
5084 "FragThreshold: %d\n"
5085 "WEP: %s\n"
5086 "Modulation: %s\n"
5087 "Preamble: %s\n",
5088 le16_to_cpu(ai->config.longRetryLimit),
5089 le16_to_cpu(ai->config.shortRetryLimit),
5090 le16_to_cpu(ai->config.rtsThres),
5091 le16_to_cpu(ai->config.txLifetime),
5092 le16_to_cpu(ai->config.rxLifetime),
5093 ai->config.txDiversity == 1 ? "left" :
5094 ai->config.txDiversity == 2 ? "right" : "both",
5095 ai->config.rxDiversity == 1 ? "left" :
5096 ai->config.rxDiversity == 2 ? "right" : "both",
5097 le16_to_cpu(ai->config.fragThresh),
5098 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5099 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5100 ai->config.modulation == MOD_DEFAULT ? "default" :
5101 ai->config.modulation == MOD_CCK ? "cck" :
5102 ai->config.modulation == MOD_MOK ? "mok" : "error",
5103 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5104 ai->config.preamble == PREAMBLE_LONG ? "long" :
5105 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5106 );
5107 data->readlen = strlen( data->rbuffer );
5108 return 0;
5109}
5110
5111static void proc_SSID_on_close(struct inode *inode, struct file *file)
5112{
5113 struct proc_data *data = file->private_data;
5114 struct proc_dir_entry *dp = PDE(inode);
5115 struct net_device *dev = dp->data;
5116 struct airo_info *ai = dev->ml_priv;
5117 SsidRid SSID_rid;
5118 int i;
5119 char *p = data->wbuffer;
5120 char *end = p + data->writelen;
5121
5122 if (!data->writelen)
5123 return;
5124
5125 *end = '\n'; /* sentinel; we have space for it */
5126
5127 memset(&SSID_rid, 0, sizeof(SSID_rid));
5128
5129 for (i = 0; i < 3 && p < end; i++) {
5130 int j = 0;
5131 /* copy up to 32 characters from this line */
5132 while (*p != '\n' && j < 32)
5133 SSID_rid.ssids[i].ssid[j++] = *p++;
5134 if (j == 0)
5135 break;
5136 SSID_rid.ssids[i].len = cpu_to_le16(j);
5137 /* skip to the beginning of the next line */
5138 while (*p++ != '\n')
5139 ;
5140 }
5141 if (i)
5142 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5143 disable_MAC(ai, 1);
5144 writeSsidRid(ai, &SSID_rid, 1);
5145 enable_MAC(ai, 1);
5146}
5147
5148static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5149 struct proc_data *data = file->private_data;
5150 struct proc_dir_entry *dp = PDE(inode);
5151 struct net_device *dev = dp->data;
5152 struct airo_info *ai = dev->ml_priv;
5153 APListRid APList_rid;
5154 int i;
5155
5156 if ( !data->writelen ) return;
5157
5158 memset( &APList_rid, 0, sizeof(APList_rid) );
5159 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5160
5161 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5162 int j;
5163 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5164 switch(j%3) {
5165 case 0:
5166 APList_rid.ap[i][j/3]=
5167 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5168 break;
5169 case 1:
5170 APList_rid.ap[i][j/3]|=
5171 hex_to_bin(data->wbuffer[j+i*6*3]);
5172 break;
5173 }
5174 }
5175 }
5176 disable_MAC(ai, 1);
5177 writeAPListRid(ai, &APList_rid, 1);
5178 enable_MAC(ai, 1);
5179}
5180
5181/* This function wraps PC4500_writerid with a MAC disable */
5182static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5183 int len, int dummy ) {
5184 int rc;
5185
5186 disable_MAC(ai, 1);
5187 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5188 enable_MAC(ai, 1);
5189 return rc;
5190}
5191
5192/* Returns the WEP key at the specified index, or -1 if that key does
5193 * not exist. The buffer is assumed to be at least 16 bytes in length.
5194 */
5195static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5196{
5197 WepKeyRid wkr;
5198 int rc;
5199 __le16 lastindex;
5200
5201 rc = readWepKeyRid(ai, &wkr, 1, 1);
5202 if (rc != SUCCESS)
5203 return -1;
5204 do {
5205 lastindex = wkr.kindex;
5206 if (le16_to_cpu(wkr.kindex) == index) {
5207 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5208 memcpy(buf, wkr.key, klen);
5209 return klen;
5210 }
5211 rc = readWepKeyRid(ai, &wkr, 0, 1);
5212 if (rc != SUCCESS)
5213 return -1;
5214 } while (lastindex != wkr.kindex);
5215 return -1;
5216}
5217
5218static int get_wep_tx_idx(struct airo_info *ai)
5219{
5220 WepKeyRid wkr;
5221 int rc;
5222 __le16 lastindex;
5223
5224 rc = readWepKeyRid(ai, &wkr, 1, 1);
5225 if (rc != SUCCESS)
5226 return -1;
5227 do {
5228 lastindex = wkr.kindex;
5229 if (wkr.kindex == cpu_to_le16(0xffff))
5230 return wkr.mac[0];
5231 rc = readWepKeyRid(ai, &wkr, 0, 1);
5232 if (rc != SUCCESS)
5233 return -1;
5234 } while (lastindex != wkr.kindex);
5235 return -1;
5236}
5237
5238static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5239 u16 keylen, int perm, int lock)
5240{
5241 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5242 WepKeyRid wkr;
5243 int rc;
5244
5245 if (WARN_ON(keylen == 0))
5246 return -1;
5247
5248 memset(&wkr, 0, sizeof(wkr));
5249 wkr.len = cpu_to_le16(sizeof(wkr));
5250 wkr.kindex = cpu_to_le16(index);
5251 wkr.klen = cpu_to_le16(keylen);
5252 memcpy(wkr.key, key, keylen);
5253 memcpy(wkr.mac, macaddr, ETH_ALEN);
5254
5255 if (perm) disable_MAC(ai, lock);
5256 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5257 if (perm) enable_MAC(ai, lock);
5258 return rc;
5259}
5260
5261static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5262{
5263 WepKeyRid wkr;
5264 int rc;
5265
5266 memset(&wkr, 0, sizeof(wkr));
5267 wkr.len = cpu_to_le16(sizeof(wkr));
5268 wkr.kindex = cpu_to_le16(0xffff);
5269 wkr.mac[0] = (char)index;
5270
5271 if (perm) {
5272 ai->defindex = (char)index;
5273 disable_MAC(ai, lock);
5274 }
5275
5276 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5277
5278 if (perm)
5279 enable_MAC(ai, lock);
5280 return rc;
5281}
5282
5283static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5284 struct proc_data *data;
5285 struct proc_dir_entry *dp = PDE(inode);
5286 struct net_device *dev = dp->data;
5287 struct airo_info *ai = dev->ml_priv;
5288 int i, rc;
5289 char key[16];
5290 u16 index = 0;
5291 int j = 0;
5292
5293 memset(key, 0, sizeof(key));
5294
5295 data = file->private_data;
5296 if ( !data->writelen ) return;
5297
5298 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5299 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5300 index = data->wbuffer[0] - '0';
5301 if (data->wbuffer[1] == '\n') {
5302 rc = set_wep_tx_idx(ai, index, 1, 1);
5303 if (rc < 0) {
5304 airo_print_err(ai->dev->name, "failed to set "
5305 "WEP transmit index to %d: %d.",
5306 index, rc);
5307 }
5308 return;
5309 }
5310 j = 2;
5311 } else {
5312 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5313 return;
5314 }
5315
5316 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5317 switch(i%3) {
5318 case 0:
5319 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5320 break;
5321 case 1:
5322 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5323 break;
5324 }
5325 }
5326
5327 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5328 if (rc < 0) {
5329 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5330 "%d: %d.", index, rc);
5331 }
5332}
5333
5334static int proc_wepkey_open( struct inode *inode, struct file *file )
5335{
5336 struct proc_data *data;
5337 struct proc_dir_entry *dp = PDE(inode);
5338 struct net_device *dev = dp->data;
5339 struct airo_info *ai = dev->ml_priv;
5340 char *ptr;
5341 WepKeyRid wkr;
5342 __le16 lastindex;
5343 int j=0;
5344 int rc;
5345
5346 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5347 return -ENOMEM;
5348 memset(&wkr, 0, sizeof(wkr));
5349 data = file->private_data;
5350 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5351 kfree (file->private_data);
5352 return -ENOMEM;
5353 }
5354 data->writelen = 0;
5355 data->maxwritelen = 80;
5356 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5357 kfree (data->rbuffer);
5358 kfree (file->private_data);
5359 return -ENOMEM;
5360 }
5361 data->on_close = proc_wepkey_on_close;
5362
5363 ptr = data->rbuffer;
5364 strcpy(ptr, "No wep keys\n");
5365 rc = readWepKeyRid(ai, &wkr, 1, 1);
5366 if (rc == SUCCESS) do {
5367 lastindex = wkr.kindex;
5368 if (wkr.kindex == cpu_to_le16(0xffff)) {
5369 j += sprintf(ptr+j, "Tx key = %d\n",
5370 (int)wkr.mac[0]);
5371 } else {
5372 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5373 le16_to_cpu(wkr.kindex),
5374 le16_to_cpu(wkr.klen));
5375 }
5376 readWepKeyRid(ai, &wkr, 0, 1);
5377 } while((lastindex != wkr.kindex) && (j < 180-30));
5378
5379 data->readlen = strlen( data->rbuffer );
5380 return 0;
5381}
5382
5383static int proc_SSID_open(struct inode *inode, struct file *file)
5384{
5385 struct proc_data *data;
5386 struct proc_dir_entry *dp = PDE(inode);
5387 struct net_device *dev = dp->data;
5388 struct airo_info *ai = dev->ml_priv;
5389 int i;
5390 char *ptr;
5391 SsidRid SSID_rid;
5392
5393 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5394 return -ENOMEM;
5395 data = file->private_data;
5396 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5397 kfree (file->private_data);
5398 return -ENOMEM;
5399 }
5400 data->writelen = 0;
5401 data->maxwritelen = 33*3;
5402 /* allocate maxwritelen + 1; we'll want a sentinel */
5403 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5404 kfree (data->rbuffer);
5405 kfree (file->private_data);
5406 return -ENOMEM;
5407 }
5408 data->on_close = proc_SSID_on_close;
5409
5410 readSsidRid(ai, &SSID_rid);
5411 ptr = data->rbuffer;
5412 for (i = 0; i < 3; i++) {
5413 int j;
5414 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5415 if (!len)
5416 break;
5417 if (len > 32)
5418 len = 32;
5419 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5420 *ptr++ = SSID_rid.ssids[i].ssid[j];
5421 *ptr++ = '\n';
5422 }
5423 *ptr = '\0';
5424 data->readlen = strlen( data->rbuffer );
5425 return 0;
5426}
5427
5428static int proc_APList_open( struct inode *inode, struct file *file ) {
5429 struct proc_data *data;
5430 struct proc_dir_entry *dp = PDE(inode);
5431 struct net_device *dev = dp->data;
5432 struct airo_info *ai = dev->ml_priv;
5433 int i;
5434 char *ptr;
5435 APListRid APList_rid;
5436
5437 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5438 return -ENOMEM;
5439 data = file->private_data;
5440 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5441 kfree (file->private_data);
5442 return -ENOMEM;
5443 }
5444 data->writelen = 0;
5445 data->maxwritelen = 4*6*3;
5446 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5447 kfree (data->rbuffer);
5448 kfree (file->private_data);
5449 return -ENOMEM;
5450 }
5451 data->on_close = proc_APList_on_close;
5452
5453 readAPListRid(ai, &APList_rid);
5454 ptr = data->rbuffer;
5455 for( i = 0; i < 4; i++ ) {
5456// We end when we find a zero MAC
5457 if ( !*(int*)APList_rid.ap[i] &&
5458 !*(int*)&APList_rid.ap[i][2]) break;
5459 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5460 }
5461 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5462
5463 *ptr = '\0';
5464 data->readlen = strlen( data->rbuffer );
5465 return 0;
5466}
5467
5468static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5469 struct proc_data *data;
5470 struct proc_dir_entry *dp = PDE(inode);
5471 struct net_device *dev = dp->data;
5472 struct airo_info *ai = dev->ml_priv;
5473 char *ptr;
5474 BSSListRid BSSList_rid;
5475 int rc;
5476 /* If doLoseSync is not 1, we won't do a Lose Sync */
5477 int doLoseSync = -1;
5478
5479 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5480 return -ENOMEM;
5481 data = file->private_data;
5482 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5483 kfree (file->private_data);
5484 return -ENOMEM;
5485 }
5486 data->writelen = 0;
5487 data->maxwritelen = 0;
5488 data->wbuffer = NULL;
5489 data->on_close = NULL;
5490
5491 if (file->f_mode & FMODE_WRITE) {
5492 if (!(file->f_mode & FMODE_READ)) {
5493 Cmd cmd;
5494 Resp rsp;
5495
5496 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5497 memset(&cmd, 0, sizeof(cmd));
5498 cmd.cmd=CMD_LISTBSS;
5499 if (down_interruptible(&ai->sem))
5500 return -ERESTARTSYS;
5501 issuecommand(ai, &cmd, &rsp);
5502 up(&ai->sem);
5503 data->readlen = 0;
5504 return 0;
5505 }
5506 doLoseSync = 1;
5507 }
5508 ptr = data->rbuffer;
5509 /* There is a race condition here if there are concurrent opens.
5510 Since it is a rare condition, we'll just live with it, otherwise
5511 we have to add a spin lock... */
5512 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5513 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5514 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5515 BSSList_rid.bssid,
5516 (int)BSSList_rid.ssidLen,
5517 BSSList_rid.ssid,
5518 le16_to_cpu(BSSList_rid.dBm));
5519 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5520 le16_to_cpu(BSSList_rid.dsChannel),
5521 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5522 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5523 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5524 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5525 rc = readBSSListRid(ai, 0, &BSSList_rid);
5526 }
5527 *ptr = '\0';
5528 data->readlen = strlen( data->rbuffer );
5529 return 0;
5530}
5531
5532static int proc_close( struct inode *inode, struct file *file )
5533{
5534 struct proc_data *data = file->private_data;
5535
5536 if (data->on_close != NULL)
5537 data->on_close(inode, file);
5538 kfree(data->rbuffer);
5539 kfree(data->wbuffer);
5540 kfree(data);
5541 return 0;
5542}
5543
5544/* Since the card doesn't automatically switch to the right WEP mode,
5545 we will make it do it. If the card isn't associated, every secs we
5546 will switch WEP modes to see if that will help. If the card is
5547 associated we will check every minute to see if anything has
5548 changed. */
5549static void timer_func( struct net_device *dev ) {
5550 struct airo_info *apriv = dev->ml_priv;
5551
5552/* We don't have a link so try changing the authtype */
5553 readConfigRid(apriv, 0);
5554 disable_MAC(apriv, 0);
5555 switch(apriv->config.authType) {
5556 case AUTH_ENCRYPT:
5557/* So drop to OPEN */
5558 apriv->config.authType = AUTH_OPEN;
5559 break;
5560 case AUTH_SHAREDKEY:
5561 if (apriv->keyindex < auto_wep) {
5562 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5563 apriv->config.authType = AUTH_SHAREDKEY;
5564 apriv->keyindex++;
5565 } else {
5566 /* Drop to ENCRYPT */
5567 apriv->keyindex = 0;
5568 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5569 apriv->config.authType = AUTH_ENCRYPT;
5570 }
5571 break;
5572 default: /* We'll escalate to SHAREDKEY */
5573 apriv->config.authType = AUTH_SHAREDKEY;
5574 }
5575 set_bit (FLAG_COMMIT, &apriv->flags);
5576 writeConfigRid(apriv, 0);
5577 enable_MAC(apriv, 0);
5578 up(&apriv->sem);
5579
5580/* Schedule check to see if the change worked */
5581 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5582 apriv->expires = RUN_AT(HZ*3);
5583}
5584
5585#ifdef CONFIG_PCI
5586static int __devinit airo_pci_probe(struct pci_dev *pdev,
5587 const struct pci_device_id *pent)
5588{
5589 struct net_device *dev;
5590
5591 if (pci_enable_device(pdev))
5592 return -ENODEV;
5593 pci_set_master(pdev);
5594
5595 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5596 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5597 else
5598 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5599 if (!dev) {
5600 pci_disable_device(pdev);
5601 return -ENODEV;
5602 }
5603
5604 pci_set_drvdata(pdev, dev);
5605 return 0;
5606}
5607
5608static void __devexit airo_pci_remove(struct pci_dev *pdev)
5609{
5610 struct net_device *dev = pci_get_drvdata(pdev);
5611
5612 airo_print_info(dev->name, "Unregistering...");
5613 stop_airo_card(dev, 1);
5614 pci_disable_device(pdev);
5615 pci_set_drvdata(pdev, NULL);
5616}
5617
5618static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5619{
5620 struct net_device *dev = pci_get_drvdata(pdev);
5621 struct airo_info *ai = dev->ml_priv;
5622 Cmd cmd;
5623 Resp rsp;
5624
5625 if (!ai->APList)
5626 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5627 if (!ai->APList)
5628 return -ENOMEM;
5629 if (!ai->SSID)
5630 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5631 if (!ai->SSID)
5632 return -ENOMEM;
5633 readAPListRid(ai, ai->APList);
5634 readSsidRid(ai, ai->SSID);
5635 memset(&cmd, 0, sizeof(cmd));
5636 /* the lock will be released at the end of the resume callback */
5637 if (down_interruptible(&ai->sem))
5638 return -EAGAIN;
5639 disable_MAC(ai, 0);
5640 netif_device_detach(dev);
5641 ai->power = state;
5642 cmd.cmd = HOSTSLEEP;
5643 issuecommand(ai, &cmd, &rsp);
5644
5645 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5646 pci_save_state(pdev);
5647 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5648 return 0;
5649}
5650
5651static int airo_pci_resume(struct pci_dev *pdev)
5652{
5653 struct net_device *dev = pci_get_drvdata(pdev);
5654 struct airo_info *ai = dev->ml_priv;
5655 pci_power_t prev_state = pdev->current_state;
5656
5657 pci_set_power_state(pdev, PCI_D0);
5658 pci_restore_state(pdev);
5659 pci_enable_wake(pdev, PCI_D0, 0);
5660
5661 if (prev_state != PCI_D1) {
5662 reset_card(dev, 0);
5663 mpi_init_descriptors(ai);
5664 setup_card(ai, dev->dev_addr, 0);
5665 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5666 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5667 } else {
5668 OUT4500(ai, EVACK, EV_AWAKEN);
5669 OUT4500(ai, EVACK, EV_AWAKEN);
5670 msleep(100);
5671 }
5672
5673 set_bit(FLAG_COMMIT, &ai->flags);
5674 disable_MAC(ai, 0);
5675 msleep(200);
5676 if (ai->SSID) {
5677 writeSsidRid(ai, ai->SSID, 0);
5678 kfree(ai->SSID);
5679 ai->SSID = NULL;
5680 }
5681 if (ai->APList) {
5682 writeAPListRid(ai, ai->APList, 0);
5683 kfree(ai->APList);
5684 ai->APList = NULL;
5685 }
5686 writeConfigRid(ai, 0);
5687 enable_MAC(ai, 0);
5688 ai->power = PMSG_ON;
5689 netif_device_attach(dev);
5690 netif_wake_queue(dev);
5691 enable_interrupts(ai);
5692 up(&ai->sem);
5693 return 0;
5694}
5695#endif
5696
5697static int __init airo_init_module( void )
5698{
5699 int i;
5700
5701 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5702
5703 if (airo_entry) {
5704 airo_entry->uid = proc_uid;
5705 airo_entry->gid = proc_gid;
5706 }
5707
5708 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5709 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5710 "io=0x%x", irq[i], io[i] );
5711 if (init_airo_card( irq[i], io[i], 0, NULL ))
5712 /* do nothing */ ;
5713 }
5714
5715#ifdef CONFIG_PCI
5716 airo_print_info("", "Probing for PCI adapters");
5717 i = pci_register_driver(&airo_driver);
5718 airo_print_info("", "Finished probing for PCI adapters");
5719
5720 if (i) {
5721 remove_proc_entry("driver/aironet", NULL);
5722 return i;
5723 }
5724#endif
5725
5726 /* Always exit with success, as we are a library module
5727 * as well as a driver module
5728 */
5729 return 0;
5730}
5731
5732static void __exit airo_cleanup_module( void )
5733{
5734 struct airo_info *ai;
5735 while(!list_empty(&airo_devices)) {
5736 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5737 airo_print_info(ai->dev->name, "Unregistering...");
5738 stop_airo_card(ai->dev, 1);
5739 }
5740#ifdef CONFIG_PCI
5741 pci_unregister_driver(&airo_driver);
5742#endif
5743 remove_proc_entry("driver/aironet", NULL);
5744}
5745
5746/*
5747 * Initial Wireless Extension code for Aironet driver by :
5748 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5749 * Conversion to new driver API by :
5750 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5751 * Javier also did a good amount of work here, adding some new extensions
5752 * and fixing my code. Let's just say that without him this code just
5753 * would not work at all... - Jean II
5754 */
5755
5756static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5757{
5758 if (!rssi_rid)
5759 return 0;
5760
5761 return (0x100 - rssi_rid[rssi].rssidBm);
5762}
5763
5764static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5765{
5766 int i;
5767
5768 if (!rssi_rid)
5769 return 0;
5770
5771 for (i = 0; i < 256; i++)
5772 if (rssi_rid[i].rssidBm == dbm)
5773 return rssi_rid[i].rssipct;
5774
5775 return 0;
5776}
5777
5778
5779static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5780{
5781 int quality = 0;
5782 u16 sq;
5783
5784 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5785 return 0;
5786
5787 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5788 return 0;
5789
5790 sq = le16_to_cpu(status_rid->signalQuality);
5791 if (memcmp(cap_rid->prodName, "350", 3))
5792 if (sq > 0x20)
5793 quality = 0;
5794 else
5795 quality = 0x20 - sq;
5796 else
5797 if (sq > 0xb0)
5798 quality = 0;
5799 else if (sq < 0x10)
5800 quality = 0xa0;
5801 else
5802 quality = 0xb0 - sq;
5803 return quality;
5804}
5805
5806#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5807#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5808
5809/*------------------------------------------------------------------*/
5810/*
5811 * Wireless Handler : get protocol name
5812 */
5813static int airo_get_name(struct net_device *dev,
5814 struct iw_request_info *info,
5815 char *cwrq,
5816 char *extra)
5817{
5818 strcpy(cwrq, "IEEE 802.11-DS");
5819 return 0;
5820}
5821
5822/*------------------------------------------------------------------*/
5823/*
5824 * Wireless Handler : set frequency
5825 */
5826static int airo_set_freq(struct net_device *dev,
5827 struct iw_request_info *info,
5828 struct iw_freq *fwrq,
5829 char *extra)
5830{
5831 struct airo_info *local = dev->ml_priv;
5832 int rc = -EINPROGRESS; /* Call commit handler */
5833
5834 /* If setting by frequency, convert to a channel */
5835 if(fwrq->e == 1) {
5836 int f = fwrq->m / 100000;
5837
5838 /* Hack to fall through... */
5839 fwrq->e = 0;
5840 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5841 }
5842 /* Setting by channel number */
5843 if((fwrq->m > 1000) || (fwrq->e > 0))
5844 rc = -EOPNOTSUPP;
5845 else {
5846 int channel = fwrq->m;
5847 /* We should do a better check than that,
5848 * based on the card capability !!! */
5849 if((channel < 1) || (channel > 14)) {
5850 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5851 fwrq->m);
5852 rc = -EINVAL;
5853 } else {
5854 readConfigRid(local, 1);
5855 /* Yes ! We can set it !!! */
5856 local->config.channelSet = cpu_to_le16(channel);
5857 set_bit (FLAG_COMMIT, &local->flags);
5858 }
5859 }
5860 return rc;
5861}
5862
5863/*------------------------------------------------------------------*/
5864/*
5865 * Wireless Handler : get frequency
5866 */
5867static int airo_get_freq(struct net_device *dev,
5868 struct iw_request_info *info,
5869 struct iw_freq *fwrq,
5870 char *extra)
5871{
5872 struct airo_info *local = dev->ml_priv;
5873 StatusRid status_rid; /* Card status info */
5874 int ch;
5875
5876 readConfigRid(local, 1);
5877 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5878 status_rid.channel = local->config.channelSet;
5879 else
5880 readStatusRid(local, &status_rid, 1);
5881
5882 ch = le16_to_cpu(status_rid.channel);
5883 if((ch > 0) && (ch < 15)) {
5884 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5885 fwrq->e = 1;
5886 } else {
5887 fwrq->m = ch;
5888 fwrq->e = 0;
5889 }
5890
5891 return 0;
5892}
5893
5894/*------------------------------------------------------------------*/
5895/*
5896 * Wireless Handler : set ESSID
5897 */
5898static int airo_set_essid(struct net_device *dev,
5899 struct iw_request_info *info,
5900 struct iw_point *dwrq,
5901 char *extra)
5902{
5903 struct airo_info *local = dev->ml_priv;
5904 SsidRid SSID_rid; /* SSIDs */
5905
5906 /* Reload the list of current SSID */
5907 readSsidRid(local, &SSID_rid);
5908
5909 /* Check if we asked for `any' */
5910 if (dwrq->flags == 0) {
5911 /* Just send an empty SSID list */
5912 memset(&SSID_rid, 0, sizeof(SSID_rid));
5913 } else {
5914 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5915
5916 /* Check the size of the string */
5917 if (dwrq->length > IW_ESSID_MAX_SIZE)
5918 return -E2BIG ;
5919
5920 /* Check if index is valid */
5921 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5922 return -EINVAL;
5923
5924 /* Set the SSID */
5925 memset(SSID_rid.ssids[index].ssid, 0,
5926 sizeof(SSID_rid.ssids[index].ssid));
5927 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5928 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5929 }
5930 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5931 /* Write it to the card */
5932 disable_MAC(local, 1);
5933 writeSsidRid(local, &SSID_rid, 1);
5934 enable_MAC(local, 1);
5935
5936 return 0;
5937}
5938
5939/*------------------------------------------------------------------*/
5940/*
5941 * Wireless Handler : get ESSID
5942 */
5943static int airo_get_essid(struct net_device *dev,
5944 struct iw_request_info *info,
5945 struct iw_point *dwrq,
5946 char *extra)
5947{
5948 struct airo_info *local = dev->ml_priv;
5949 StatusRid status_rid; /* Card status info */
5950
5951 readStatusRid(local, &status_rid, 1);
5952
5953 /* Note : if dwrq->flags != 0, we should
5954 * get the relevant SSID from the SSID list... */
5955
5956 /* Get the current SSID */
5957 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5958 /* If none, we may want to get the one that was set */
5959
5960 /* Push it out ! */
5961 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5962 dwrq->flags = 1; /* active */
5963
5964 return 0;
5965}
5966
5967/*------------------------------------------------------------------*/
5968/*
5969 * Wireless Handler : set AP address
5970 */
5971static int airo_set_wap(struct net_device *dev,
5972 struct iw_request_info *info,
5973 struct sockaddr *awrq,
5974 char *extra)
5975{
5976 struct airo_info *local = dev->ml_priv;
5977 Cmd cmd;
5978 Resp rsp;
5979 APListRid APList_rid;
5980 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5981 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5982
5983 if (awrq->sa_family != ARPHRD_ETHER)
5984 return -EINVAL;
5985 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5986 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5987 memset(&cmd, 0, sizeof(cmd));
5988 cmd.cmd=CMD_LOSE_SYNC;
5989 if (down_interruptible(&local->sem))
5990 return -ERESTARTSYS;
5991 issuecommand(local, &cmd, &rsp);
5992 up(&local->sem);
5993 } else {
5994 memset(&APList_rid, 0, sizeof(APList_rid));
5995 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5996 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5997 disable_MAC(local, 1);
5998 writeAPListRid(local, &APList_rid, 1);
5999 enable_MAC(local, 1);
6000 }
6001 return 0;
6002}
6003
6004/*------------------------------------------------------------------*/
6005/*
6006 * Wireless Handler : get AP address
6007 */
6008static int airo_get_wap(struct net_device *dev,
6009 struct iw_request_info *info,
6010 struct sockaddr *awrq,
6011 char *extra)
6012{
6013 struct airo_info *local = dev->ml_priv;
6014 StatusRid status_rid; /* Card status info */
6015
6016 readStatusRid(local, &status_rid, 1);
6017
6018 /* Tentative. This seems to work, wow, I'm lucky !!! */
6019 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6020 awrq->sa_family = ARPHRD_ETHER;
6021
6022 return 0;
6023}
6024
6025/*------------------------------------------------------------------*/
6026/*
6027 * Wireless Handler : set Nickname
6028 */
6029static int airo_set_nick(struct net_device *dev,
6030 struct iw_request_info *info,
6031 struct iw_point *dwrq,
6032 char *extra)
6033{
6034 struct airo_info *local = dev->ml_priv;
6035
6036 /* Check the size of the string */
6037 if(dwrq->length > 16) {
6038 return -E2BIG;
6039 }
6040 readConfigRid(local, 1);
6041 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6042 memcpy(local->config.nodeName, extra, dwrq->length);
6043 set_bit (FLAG_COMMIT, &local->flags);
6044
6045 return -EINPROGRESS; /* Call commit handler */
6046}
6047
6048/*------------------------------------------------------------------*/
6049/*
6050 * Wireless Handler : get Nickname
6051 */
6052static int airo_get_nick(struct net_device *dev,
6053 struct iw_request_info *info,
6054 struct iw_point *dwrq,
6055 char *extra)
6056{
6057 struct airo_info *local = dev->ml_priv;
6058
6059 readConfigRid(local, 1);
6060 strncpy(extra, local->config.nodeName, 16);
6061 extra[16] = '\0';
6062 dwrq->length = strlen(extra);
6063
6064 return 0;
6065}
6066
6067/*------------------------------------------------------------------*/
6068/*
6069 * Wireless Handler : set Bit-Rate
6070 */
6071static int airo_set_rate(struct net_device *dev,
6072 struct iw_request_info *info,
6073 struct iw_param *vwrq,
6074 char *extra)
6075{
6076 struct airo_info *local = dev->ml_priv;
6077 CapabilityRid cap_rid; /* Card capability info */
6078 u8 brate = 0;
6079 int i;
6080
6081 /* First : get a valid bit rate value */
6082 readCapabilityRid(local, &cap_rid, 1);
6083
6084 /* Which type of value ? */
6085 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6086 /* Setting by rate index */
6087 /* Find value in the magic rate table */
6088 brate = cap_rid.supportedRates[vwrq->value];
6089 } else {
6090 /* Setting by frequency value */
6091 u8 normvalue = (u8) (vwrq->value/500000);
6092
6093 /* Check if rate is valid */
6094 for(i = 0 ; i < 8 ; i++) {
6095 if(normvalue == cap_rid.supportedRates[i]) {
6096 brate = normvalue;
6097 break;
6098 }
6099 }
6100 }
6101 /* -1 designed the max rate (mostly auto mode) */
6102 if(vwrq->value == -1) {
6103 /* Get the highest available rate */
6104 for(i = 0 ; i < 8 ; i++) {
6105 if(cap_rid.supportedRates[i] == 0)
6106 break;
6107 }
6108 if(i != 0)
6109 brate = cap_rid.supportedRates[i - 1];
6110 }
6111 /* Check that it is valid */
6112 if(brate == 0) {
6113 return -EINVAL;
6114 }
6115
6116 readConfigRid(local, 1);
6117 /* Now, check if we want a fixed or auto value */
6118 if(vwrq->fixed == 0) {
6119 /* Fill all the rates up to this max rate */
6120 memset(local->config.rates, 0, 8);
6121 for(i = 0 ; i < 8 ; i++) {
6122 local->config.rates[i] = cap_rid.supportedRates[i];
6123 if(local->config.rates[i] == brate)
6124 break;
6125 }
6126 } else {
6127 /* Fixed mode */
6128 /* One rate, fixed */
6129 memset(local->config.rates, 0, 8);
6130 local->config.rates[0] = brate;
6131 }
6132 set_bit (FLAG_COMMIT, &local->flags);
6133
6134 return -EINPROGRESS; /* Call commit handler */
6135}
6136
6137/*------------------------------------------------------------------*/
6138/*
6139 * Wireless Handler : get Bit-Rate
6140 */
6141static int airo_get_rate(struct net_device *dev,
6142 struct iw_request_info *info,
6143 struct iw_param *vwrq,
6144 char *extra)
6145{
6146 struct airo_info *local = dev->ml_priv;
6147 StatusRid status_rid; /* Card status info */
6148
6149 readStatusRid(local, &status_rid, 1);
6150
6151 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6152 /* If more than one rate, set auto */
6153 readConfigRid(local, 1);
6154 vwrq->fixed = (local->config.rates[1] == 0);
6155
6156 return 0;
6157}
6158
6159/*------------------------------------------------------------------*/
6160/*
6161 * Wireless Handler : set RTS threshold
6162 */
6163static int airo_set_rts(struct net_device *dev,
6164 struct iw_request_info *info,
6165 struct iw_param *vwrq,
6166 char *extra)
6167{
6168 struct airo_info *local = dev->ml_priv;
6169 int rthr = vwrq->value;
6170
6171 if(vwrq->disabled)
6172 rthr = AIRO_DEF_MTU;
6173 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6174 return -EINVAL;
6175 }
6176 readConfigRid(local, 1);
6177 local->config.rtsThres = cpu_to_le16(rthr);
6178 set_bit (FLAG_COMMIT, &local->flags);
6179
6180 return -EINPROGRESS; /* Call commit handler */
6181}
6182
6183/*------------------------------------------------------------------*/
6184/*
6185 * Wireless Handler : get RTS threshold
6186 */
6187static int airo_get_rts(struct net_device *dev,
6188 struct iw_request_info *info,
6189 struct iw_param *vwrq,
6190 char *extra)
6191{
6192 struct airo_info *local = dev->ml_priv;
6193
6194 readConfigRid(local, 1);
6195 vwrq->value = le16_to_cpu(local->config.rtsThres);
6196 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6197 vwrq->fixed = 1;
6198
6199 return 0;
6200}
6201
6202/*------------------------------------------------------------------*/
6203/*
6204 * Wireless Handler : set Fragmentation threshold
6205 */
6206static int airo_set_frag(struct net_device *dev,
6207 struct iw_request_info *info,
6208 struct iw_param *vwrq,
6209 char *extra)
6210{
6211 struct airo_info *local = dev->ml_priv;
6212 int fthr = vwrq->value;
6213
6214 if(vwrq->disabled)
6215 fthr = AIRO_DEF_MTU;
6216 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6217 return -EINVAL;
6218 }
6219 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6220 readConfigRid(local, 1);
6221 local->config.fragThresh = cpu_to_le16(fthr);
6222 set_bit (FLAG_COMMIT, &local->flags);
6223
6224 return -EINPROGRESS; /* Call commit handler */
6225}
6226
6227/*------------------------------------------------------------------*/
6228/*
6229 * Wireless Handler : get Fragmentation threshold
6230 */
6231static int airo_get_frag(struct net_device *dev,
6232 struct iw_request_info *info,
6233 struct iw_param *vwrq,
6234 char *extra)
6235{
6236 struct airo_info *local = dev->ml_priv;
6237
6238 readConfigRid(local, 1);
6239 vwrq->value = le16_to_cpu(local->config.fragThresh);
6240 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6241 vwrq->fixed = 1;
6242
6243 return 0;
6244}
6245
6246/*------------------------------------------------------------------*/
6247/*
6248 * Wireless Handler : set Mode of Operation
6249 */
6250static int airo_set_mode(struct net_device *dev,
6251 struct iw_request_info *info,
6252 __u32 *uwrq,
6253 char *extra)
6254{
6255 struct airo_info *local = dev->ml_priv;
6256 int reset = 0;
6257
6258 readConfigRid(local, 1);
6259 if (sniffing_mode(local))
6260 reset = 1;
6261
6262 switch(*uwrq) {
6263 case IW_MODE_ADHOC:
6264 local->config.opmode &= ~MODE_CFG_MASK;
6265 local->config.opmode |= MODE_STA_IBSS;
6266 local->config.rmode &= ~RXMODE_FULL_MASK;
6267 local->config.scanMode = SCANMODE_ACTIVE;
6268 clear_bit (FLAG_802_11, &local->flags);
6269 break;
6270 case IW_MODE_INFRA:
6271 local->config.opmode &= ~MODE_CFG_MASK;
6272 local->config.opmode |= MODE_STA_ESS;
6273 local->config.rmode &= ~RXMODE_FULL_MASK;
6274 local->config.scanMode = SCANMODE_ACTIVE;
6275 clear_bit (FLAG_802_11, &local->flags);
6276 break;
6277 case IW_MODE_MASTER:
6278 local->config.opmode &= ~MODE_CFG_MASK;
6279 local->config.opmode |= MODE_AP;
6280 local->config.rmode &= ~RXMODE_FULL_MASK;
6281 local->config.scanMode = SCANMODE_ACTIVE;
6282 clear_bit (FLAG_802_11, &local->flags);
6283 break;
6284 case IW_MODE_REPEAT:
6285 local->config.opmode &= ~MODE_CFG_MASK;
6286 local->config.opmode |= MODE_AP_RPTR;
6287 local->config.rmode &= ~RXMODE_FULL_MASK;
6288 local->config.scanMode = SCANMODE_ACTIVE;
6289 clear_bit (FLAG_802_11, &local->flags);
6290 break;
6291 case IW_MODE_MONITOR:
6292 local->config.opmode &= ~MODE_CFG_MASK;
6293 local->config.opmode |= MODE_STA_ESS;
6294 local->config.rmode &= ~RXMODE_FULL_MASK;
6295 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6296 local->config.scanMode = SCANMODE_PASSIVE;
6297 set_bit (FLAG_802_11, &local->flags);
6298 break;
6299 default:
6300 return -EINVAL;
6301 }
6302 if (reset)
6303 set_bit (FLAG_RESET, &local->flags);
6304 set_bit (FLAG_COMMIT, &local->flags);
6305
6306 return -EINPROGRESS; /* Call commit handler */
6307}
6308
6309/*------------------------------------------------------------------*/
6310/*
6311 * Wireless Handler : get Mode of Operation
6312 */
6313static int airo_get_mode(struct net_device *dev,
6314 struct iw_request_info *info,
6315 __u32 *uwrq,
6316 char *extra)
6317{
6318 struct airo_info *local = dev->ml_priv;
6319
6320 readConfigRid(local, 1);
6321 /* If not managed, assume it's ad-hoc */
6322 switch (local->config.opmode & MODE_CFG_MASK) {
6323 case MODE_STA_ESS:
6324 *uwrq = IW_MODE_INFRA;
6325 break;
6326 case MODE_AP:
6327 *uwrq = IW_MODE_MASTER;
6328 break;
6329 case MODE_AP_RPTR:
6330 *uwrq = IW_MODE_REPEAT;
6331 break;
6332 default:
6333 *uwrq = IW_MODE_ADHOC;
6334 }
6335
6336 return 0;
6337}
6338
6339static inline int valid_index(struct airo_info *ai, int index)
6340{
6341 return (index >= 0) && (index <= ai->max_wep_idx);
6342}
6343
6344/*------------------------------------------------------------------*/
6345/*
6346 * Wireless Handler : set Encryption Key
6347 */
6348static int airo_set_encode(struct net_device *dev,
6349 struct iw_request_info *info,
6350 struct iw_point *dwrq,
6351 char *extra)
6352{
6353 struct airo_info *local = dev->ml_priv;
6354 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6355 __le16 currentAuthType = local->config.authType;
6356 int rc = 0;
6357
6358 if (!local->wep_capable)
6359 return -EOPNOTSUPP;
6360
6361 readConfigRid(local, 1);
6362
6363 /* Basic checking: do we have a key to set ?
6364 * Note : with the new API, it's impossible to get a NULL pointer.
6365 * Therefore, we need to check a key size == 0 instead.
6366 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6367 * when no key is present (only change flags), but older versions
6368 * don't do it. - Jean II */
6369 if (dwrq->length > 0) {
6370 wep_key_t key;
6371 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6372 int current_index;
6373
6374 /* Check the size of the key */
6375 if (dwrq->length > MAX_KEY_SIZE) {
6376 return -EINVAL;
6377 }
6378
6379 current_index = get_wep_tx_idx(local);
6380 if (current_index < 0)
6381 current_index = 0;
6382
6383 /* Check the index (none -> use current) */
6384 if (!valid_index(local, index))
6385 index = current_index;
6386
6387 /* Set the length */
6388 if (dwrq->length > MIN_KEY_SIZE)
6389 key.len = MAX_KEY_SIZE;
6390 else
6391 key.len = MIN_KEY_SIZE;
6392 /* Check if the key is not marked as invalid */
6393 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6394 /* Cleanup */
6395 memset(key.key, 0, MAX_KEY_SIZE);
6396 /* Copy the key in the driver */
6397 memcpy(key.key, extra, dwrq->length);
6398 /* Send the key to the card */
6399 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6400 if (rc < 0) {
6401 airo_print_err(local->dev->name, "failed to set"
6402 " WEP key at index %d: %d.",
6403 index, rc);
6404 return rc;
6405 }
6406 }
6407 /* WE specify that if a valid key is set, encryption
6408 * should be enabled (user may turn it off later)
6409 * This is also how "iwconfig ethX key on" works */
6410 if((index == current_index) && (key.len > 0) &&
6411 (local->config.authType == AUTH_OPEN)) {
6412 local->config.authType = AUTH_ENCRYPT;
6413 }
6414 } else {
6415 /* Do we want to just set the transmit key index ? */
6416 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6417 if (valid_index(local, index)) {
6418 rc = set_wep_tx_idx(local, index, perm, 1);
6419 if (rc < 0) {
6420 airo_print_err(local->dev->name, "failed to set"
6421 " WEP transmit index to %d: %d.",
6422 index, rc);
6423 return rc;
6424 }
6425 } else {
6426 /* Don't complain if only change the mode */
6427 if (!(dwrq->flags & IW_ENCODE_MODE))
6428 return -EINVAL;
6429 }
6430 }
6431 /* Read the flags */
6432 if(dwrq->flags & IW_ENCODE_DISABLED)
6433 local->config.authType = AUTH_OPEN; // disable encryption
6434 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6435 local->config.authType = AUTH_SHAREDKEY; // Only Both
6436 if(dwrq->flags & IW_ENCODE_OPEN)
6437 local->config.authType = AUTH_ENCRYPT; // Only Wep
6438 /* Commit the changes to flags if needed */
6439 if (local->config.authType != currentAuthType)
6440 set_bit (FLAG_COMMIT, &local->flags);
6441 return -EINPROGRESS; /* Call commit handler */
6442}
6443
6444/*------------------------------------------------------------------*/
6445/*
6446 * Wireless Handler : get Encryption Key
6447 */
6448static int airo_get_encode(struct net_device *dev,
6449 struct iw_request_info *info,
6450 struct iw_point *dwrq,
6451 char *extra)
6452{
6453 struct airo_info *local = dev->ml_priv;
6454 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6455 int wep_key_len;
6456 u8 buf[16];
6457
6458 if (!local->wep_capable)
6459 return -EOPNOTSUPP;
6460
6461 readConfigRid(local, 1);
6462
6463 /* Check encryption mode */
6464 switch(local->config.authType) {
6465 case AUTH_ENCRYPT:
6466 dwrq->flags = IW_ENCODE_OPEN;
6467 break;
6468 case AUTH_SHAREDKEY:
6469 dwrq->flags = IW_ENCODE_RESTRICTED;
6470 break;
6471 default:
6472 case AUTH_OPEN:
6473 dwrq->flags = IW_ENCODE_DISABLED;
6474 break;
6475 }
6476 /* We can't return the key, so set the proper flag and return zero */
6477 dwrq->flags |= IW_ENCODE_NOKEY;
6478 memset(extra, 0, 16);
6479
6480 /* Which key do we want ? -1 -> tx index */
6481 if (!valid_index(local, index)) {
6482 index = get_wep_tx_idx(local);
6483 if (index < 0)
6484 index = 0;
6485 }
6486 dwrq->flags |= index + 1;
6487
6488 /* Copy the key to the user buffer */
6489 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6490 if (wep_key_len < 0) {
6491 dwrq->length = 0;
6492 } else {
6493 dwrq->length = wep_key_len;
6494 memcpy(extra, buf, dwrq->length);
6495 }
6496
6497 return 0;
6498}
6499
6500/*------------------------------------------------------------------*/
6501/*
6502 * Wireless Handler : set extended Encryption parameters
6503 */
6504static int airo_set_encodeext(struct net_device *dev,
6505 struct iw_request_info *info,
6506 union iwreq_data *wrqu,
6507 char *extra)
6508{
6509 struct airo_info *local = dev->ml_priv;
6510 struct iw_point *encoding = &wrqu->encoding;
6511 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6512 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6513 __le16 currentAuthType = local->config.authType;
6514 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6515 wep_key_t key;
6516
6517 if (!local->wep_capable)
6518 return -EOPNOTSUPP;
6519
6520 readConfigRid(local, 1);
6521
6522 /* Determine and validate the key index */
6523 idx = encoding->flags & IW_ENCODE_INDEX;
6524 if (idx) {
6525 if (!valid_index(local, idx - 1))
6526 return -EINVAL;
6527 idx--;
6528 } else {
6529 idx = get_wep_tx_idx(local);
6530 if (idx < 0)
6531 idx = 0;
6532 }
6533
6534 if (encoding->flags & IW_ENCODE_DISABLED)
6535 alg = IW_ENCODE_ALG_NONE;
6536
6537 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6538 /* Only set transmit key index here, actual
6539 * key is set below if needed.
6540 */
6541 rc = set_wep_tx_idx(local, idx, perm, 1);
6542 if (rc < 0) {
6543 airo_print_err(local->dev->name, "failed to set "
6544 "WEP transmit index to %d: %d.",
6545 idx, rc);
6546 return rc;
6547 }
6548 set_key = ext->key_len > 0 ? 1 : 0;
6549 }
6550
6551 if (set_key) {
6552 /* Set the requested key first */
6553 memset(key.key, 0, MAX_KEY_SIZE);
6554 switch (alg) {
6555 case IW_ENCODE_ALG_NONE:
6556 key.len = 0;
6557 break;
6558 case IW_ENCODE_ALG_WEP:
6559 if (ext->key_len > MIN_KEY_SIZE) {
6560 key.len = MAX_KEY_SIZE;
6561 } else if (ext->key_len > 0) {
6562 key.len = MIN_KEY_SIZE;
6563 } else {
6564 return -EINVAL;
6565 }
6566 key_len = min (ext->key_len, key.len);
6567 memcpy(key.key, ext->key, key_len);
6568 break;
6569 default:
6570 return -EINVAL;
6571 }
6572 if (key.len == 0) {
6573 rc = set_wep_tx_idx(local, idx, perm, 1);
6574 if (rc < 0) {
6575 airo_print_err(local->dev->name,
6576 "failed to set WEP transmit index to %d: %d.",
6577 idx, rc);
6578 return rc;
6579 }
6580 } else {
6581 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6582 if (rc < 0) {
6583 airo_print_err(local->dev->name,
6584 "failed to set WEP key at index %d: %d.",
6585 idx, rc);
6586 return rc;
6587 }
6588 }
6589 }
6590
6591 /* Read the flags */
6592 if(encoding->flags & IW_ENCODE_DISABLED)
6593 local->config.authType = AUTH_OPEN; // disable encryption
6594 if(encoding->flags & IW_ENCODE_RESTRICTED)
6595 local->config.authType = AUTH_SHAREDKEY; // Only Both
6596 if(encoding->flags & IW_ENCODE_OPEN)
6597 local->config.authType = AUTH_ENCRYPT; // Only Wep
6598 /* Commit the changes to flags if needed */
6599 if (local->config.authType != currentAuthType)
6600 set_bit (FLAG_COMMIT, &local->flags);
6601
6602 return -EINPROGRESS;
6603}
6604
6605
6606/*------------------------------------------------------------------*/
6607/*
6608 * Wireless Handler : get extended Encryption parameters
6609 */
6610static int airo_get_encodeext(struct net_device *dev,
6611 struct iw_request_info *info,
6612 union iwreq_data *wrqu,
6613 char *extra)
6614{
6615 struct airo_info *local = dev->ml_priv;
6616 struct iw_point *encoding = &wrqu->encoding;
6617 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6618 int idx, max_key_len, wep_key_len;
6619 u8 buf[16];
6620
6621 if (!local->wep_capable)
6622 return -EOPNOTSUPP;
6623
6624 readConfigRid(local, 1);
6625
6626 max_key_len = encoding->length - sizeof(*ext);
6627 if (max_key_len < 0)
6628 return -EINVAL;
6629
6630 idx = encoding->flags & IW_ENCODE_INDEX;
6631 if (idx) {
6632 if (!valid_index(local, idx - 1))
6633 return -EINVAL;
6634 idx--;
6635 } else {
6636 idx = get_wep_tx_idx(local);
6637 if (idx < 0)
6638 idx = 0;
6639 }
6640
6641 encoding->flags = idx + 1;
6642 memset(ext, 0, sizeof(*ext));
6643
6644 /* Check encryption mode */
6645 switch(local->config.authType) {
6646 case AUTH_ENCRYPT:
6647 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6648 break;
6649 case AUTH_SHAREDKEY:
6650 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6651 break;
6652 default:
6653 case AUTH_OPEN:
6654 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6655 break;
6656 }
6657 /* We can't return the key, so set the proper flag and return zero */
6658 encoding->flags |= IW_ENCODE_NOKEY;
6659 memset(extra, 0, 16);
6660
6661 /* Copy the key to the user buffer */
6662 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6663 if (wep_key_len < 0) {
6664 ext->key_len = 0;
6665 } else {
6666 ext->key_len = wep_key_len;
6667 memcpy(extra, buf, ext->key_len);
6668 }
6669
6670 return 0;
6671}
6672
6673
6674/*------------------------------------------------------------------*/
6675/*
6676 * Wireless Handler : set extended authentication parameters
6677 */
6678static int airo_set_auth(struct net_device *dev,
6679 struct iw_request_info *info,
6680 union iwreq_data *wrqu, char *extra)
6681{
6682 struct airo_info *local = dev->ml_priv;
6683 struct iw_param *param = &wrqu->param;
6684 __le16 currentAuthType = local->config.authType;
6685
6686 switch (param->flags & IW_AUTH_INDEX) {
6687 case IW_AUTH_WPA_VERSION:
6688 case IW_AUTH_CIPHER_PAIRWISE:
6689 case IW_AUTH_CIPHER_GROUP:
6690 case IW_AUTH_KEY_MGMT:
6691 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6692 case IW_AUTH_PRIVACY_INVOKED:
6693 /*
6694 * airo does not use these parameters
6695 */
6696 break;
6697
6698 case IW_AUTH_DROP_UNENCRYPTED:
6699 if (param->value) {
6700 /* Only change auth type if unencrypted */
6701 if (currentAuthType == AUTH_OPEN)
6702 local->config.authType = AUTH_ENCRYPT;
6703 } else {
6704 local->config.authType = AUTH_OPEN;
6705 }
6706
6707 /* Commit the changes to flags if needed */
6708 if (local->config.authType != currentAuthType)
6709 set_bit (FLAG_COMMIT, &local->flags);
6710 break;
6711
6712 case IW_AUTH_80211_AUTH_ALG: {
6713 /* FIXME: What about AUTH_OPEN? This API seems to
6714 * disallow setting our auth to AUTH_OPEN.
6715 */
6716 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6717 local->config.authType = AUTH_SHAREDKEY;
6718 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6719 local->config.authType = AUTH_ENCRYPT;
6720 } else
6721 return -EINVAL;
6722
6723 /* Commit the changes to flags if needed */
6724 if (local->config.authType != currentAuthType)
6725 set_bit (FLAG_COMMIT, &local->flags);
6726 break;
6727 }
6728
6729 case IW_AUTH_WPA_ENABLED:
6730 /* Silently accept disable of WPA */
6731 if (param->value > 0)
6732 return -EOPNOTSUPP;
6733 break;
6734
6735 default:
6736 return -EOPNOTSUPP;
6737 }
6738 return -EINPROGRESS;
6739}
6740
6741
6742/*------------------------------------------------------------------*/
6743/*
6744 * Wireless Handler : get extended authentication parameters
6745 */
6746static int airo_get_auth(struct net_device *dev,
6747 struct iw_request_info *info,
6748 union iwreq_data *wrqu, char *extra)
6749{
6750 struct airo_info *local = dev->ml_priv;
6751 struct iw_param *param = &wrqu->param;
6752 __le16 currentAuthType = local->config.authType;
6753
6754 switch (param->flags & IW_AUTH_INDEX) {
6755 case IW_AUTH_DROP_UNENCRYPTED:
6756 switch (currentAuthType) {
6757 case AUTH_SHAREDKEY:
6758 case AUTH_ENCRYPT:
6759 param->value = 1;
6760 break;
6761 default:
6762 param->value = 0;
6763 break;
6764 }
6765 break;
6766
6767 case IW_AUTH_80211_AUTH_ALG:
6768 switch (currentAuthType) {
6769 case AUTH_SHAREDKEY:
6770 param->value = IW_AUTH_ALG_SHARED_KEY;
6771 break;
6772 case AUTH_ENCRYPT:
6773 default:
6774 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6775 break;
6776 }
6777 break;
6778
6779 case IW_AUTH_WPA_ENABLED:
6780 param->value = 0;
6781 break;
6782
6783 default:
6784 return -EOPNOTSUPP;
6785 }
6786 return 0;
6787}
6788
6789
6790/*------------------------------------------------------------------*/
6791/*
6792 * Wireless Handler : set Tx-Power
6793 */
6794static int airo_set_txpow(struct net_device *dev,
6795 struct iw_request_info *info,
6796 struct iw_param *vwrq,
6797 char *extra)
6798{
6799 struct airo_info *local = dev->ml_priv;
6800 CapabilityRid cap_rid; /* Card capability info */
6801 int i;
6802 int rc = -EINVAL;
6803 __le16 v = cpu_to_le16(vwrq->value);
6804
6805 readCapabilityRid(local, &cap_rid, 1);
6806
6807 if (vwrq->disabled) {
6808 set_bit (FLAG_RADIO_OFF, &local->flags);
6809 set_bit (FLAG_COMMIT, &local->flags);
6810 return -EINPROGRESS; /* Call commit handler */
6811 }
6812 if (vwrq->flags != IW_TXPOW_MWATT) {
6813 return -EINVAL;
6814 }
6815 clear_bit (FLAG_RADIO_OFF, &local->flags);
6816 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6817 if (v == cap_rid.txPowerLevels[i]) {
6818 readConfigRid(local, 1);
6819 local->config.txPower = v;
6820 set_bit (FLAG_COMMIT, &local->flags);
6821 rc = -EINPROGRESS; /* Call commit handler */
6822 break;
6823 }
6824 return rc;
6825}
6826
6827/*------------------------------------------------------------------*/
6828/*
6829 * Wireless Handler : get Tx-Power
6830 */
6831static int airo_get_txpow(struct net_device *dev,
6832 struct iw_request_info *info,
6833 struct iw_param *vwrq,
6834 char *extra)
6835{
6836 struct airo_info *local = dev->ml_priv;
6837
6838 readConfigRid(local, 1);
6839 vwrq->value = le16_to_cpu(local->config.txPower);
6840 vwrq->fixed = 1; /* No power control */
6841 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6842 vwrq->flags = IW_TXPOW_MWATT;
6843
6844 return 0;
6845}
6846
6847/*------------------------------------------------------------------*/
6848/*
6849 * Wireless Handler : set Retry limits
6850 */
6851static int airo_set_retry(struct net_device *dev,
6852 struct iw_request_info *info,
6853 struct iw_param *vwrq,
6854 char *extra)
6855{
6856 struct airo_info *local = dev->ml_priv;
6857 int rc = -EINVAL;
6858
6859 if(vwrq->disabled) {
6860 return -EINVAL;
6861 }
6862 readConfigRid(local, 1);
6863 if(vwrq->flags & IW_RETRY_LIMIT) {
6864 __le16 v = cpu_to_le16(vwrq->value);
6865 if(vwrq->flags & IW_RETRY_LONG)
6866 local->config.longRetryLimit = v;
6867 else if (vwrq->flags & IW_RETRY_SHORT)
6868 local->config.shortRetryLimit = v;
6869 else {
6870 /* No modifier : set both */
6871 local->config.longRetryLimit = v;
6872 local->config.shortRetryLimit = v;
6873 }
6874 set_bit (FLAG_COMMIT, &local->flags);
6875 rc = -EINPROGRESS; /* Call commit handler */
6876 }
6877 if(vwrq->flags & IW_RETRY_LIFETIME) {
6878 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6879 set_bit (FLAG_COMMIT, &local->flags);
6880 rc = -EINPROGRESS; /* Call commit handler */
6881 }
6882 return rc;
6883}
6884
6885/*------------------------------------------------------------------*/
6886/*
6887 * Wireless Handler : get Retry limits
6888 */
6889static int airo_get_retry(struct net_device *dev,
6890 struct iw_request_info *info,
6891 struct iw_param *vwrq,
6892 char *extra)
6893{
6894 struct airo_info *local = dev->ml_priv;
6895
6896 vwrq->disabled = 0; /* Can't be disabled */
6897
6898 readConfigRid(local, 1);
6899 /* Note : by default, display the min retry number */
6900 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6901 vwrq->flags = IW_RETRY_LIFETIME;
6902 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6903 } else if((vwrq->flags & IW_RETRY_LONG)) {
6904 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6905 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6906 } else {
6907 vwrq->flags = IW_RETRY_LIMIT;
6908 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6909 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6910 vwrq->flags |= IW_RETRY_SHORT;
6911 }
6912
6913 return 0;
6914}
6915
6916/*------------------------------------------------------------------*/
6917/*
6918 * Wireless Handler : get range info
6919 */
6920static int airo_get_range(struct net_device *dev,
6921 struct iw_request_info *info,
6922 struct iw_point *dwrq,
6923 char *extra)
6924{
6925 struct airo_info *local = dev->ml_priv;
6926 struct iw_range *range = (struct iw_range *) extra;
6927 CapabilityRid cap_rid; /* Card capability info */
6928 int i;
6929 int k;
6930
6931 readCapabilityRid(local, &cap_rid, 1);
6932
6933 dwrq->length = sizeof(struct iw_range);
6934 memset(range, 0, sizeof(*range));
6935 range->min_nwid = 0x0000;
6936 range->max_nwid = 0x0000;
6937 range->num_channels = 14;
6938 /* Should be based on cap_rid.country to give only
6939 * what the current card support */
6940 k = 0;
6941 for(i = 0; i < 14; i++) {
6942 range->freq[k].i = i + 1; /* List index */
6943 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6944 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6945 }
6946 range->num_frequency = k;
6947
6948 range->sensitivity = 65535;
6949
6950 /* Hum... Should put the right values there */
6951 if (local->rssi)
6952 range->max_qual.qual = 100; /* % */
6953 else
6954 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6955 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6956 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6957
6958 /* Experimental measurements - boundary 11/5.5 Mb/s */
6959 /* Note : with or without the (local->rssi), results
6960 * are somewhat different. - Jean II */
6961 if (local->rssi) {
6962 range->avg_qual.qual = 50; /* % */
6963 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6964 } else {
6965 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6966 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6967 }
6968 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6969
6970 for(i = 0 ; i < 8 ; i++) {
6971 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6972 if(range->bitrate[i] == 0)
6973 break;
6974 }
6975 range->num_bitrates = i;
6976
6977 /* Set an indication of the max TCP throughput
6978 * in bit/s that we can expect using this interface.
6979 * May be use for QoS stuff... Jean II */
6980 if(i > 2)
6981 range->throughput = 5000 * 1000;
6982 else
6983 range->throughput = 1500 * 1000;
6984
6985 range->min_rts = 0;
6986 range->max_rts = AIRO_DEF_MTU;
6987 range->min_frag = 256;
6988 range->max_frag = AIRO_DEF_MTU;
6989
6990 if(cap_rid.softCap & cpu_to_le16(2)) {
6991 // WEP: RC4 40 bits
6992 range->encoding_size[0] = 5;
6993 // RC4 ~128 bits
6994 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6995 range->encoding_size[1] = 13;
6996 range->num_encoding_sizes = 2;
6997 } else
6998 range->num_encoding_sizes = 1;
6999 range->max_encoding_tokens =
7000 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7001 } else {
7002 range->num_encoding_sizes = 0;
7003 range->max_encoding_tokens = 0;
7004 }
7005 range->min_pmp = 0;
7006 range->max_pmp = 5000000; /* 5 secs */
7007 range->min_pmt = 0;
7008 range->max_pmt = 65535 * 1024; /* ??? */
7009 range->pmp_flags = IW_POWER_PERIOD;
7010 range->pmt_flags = IW_POWER_TIMEOUT;
7011 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7012
7013 /* Transmit Power - values are in mW */
7014 for(i = 0 ; i < 8 ; i++) {
7015 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7016 if(range->txpower[i] == 0)
7017 break;
7018 }
7019 range->num_txpower = i;
7020 range->txpower_capa = IW_TXPOW_MWATT;
7021 range->we_version_source = 19;
7022 range->we_version_compiled = WIRELESS_EXT;
7023 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7024 range->retry_flags = IW_RETRY_LIMIT;
7025 range->r_time_flags = IW_RETRY_LIFETIME;
7026 range->min_retry = 1;
7027 range->max_retry = 65535;
7028 range->min_r_time = 1024;
7029 range->max_r_time = 65535 * 1024;
7030
7031 /* Event capability (kernel + driver) */
7032 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7033 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7034 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7035 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7036 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7037 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7038 return 0;
7039}
7040
7041/*------------------------------------------------------------------*/
7042/*
7043 * Wireless Handler : set Power Management
7044 */
7045static int airo_set_power(struct net_device *dev,
7046 struct iw_request_info *info,
7047 struct iw_param *vwrq,
7048 char *extra)
7049{
7050 struct airo_info *local = dev->ml_priv;
7051
7052 readConfigRid(local, 1);
7053 if (vwrq->disabled) {
7054 if (sniffing_mode(local))
7055 return -EINVAL;
7056 local->config.powerSaveMode = POWERSAVE_CAM;
7057 local->config.rmode &= ~RXMODE_MASK;
7058 local->config.rmode |= RXMODE_BC_MC_ADDR;
7059 set_bit (FLAG_COMMIT, &local->flags);
7060 return -EINPROGRESS; /* Call commit handler */
7061 }
7062 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7063 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7064 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7065 set_bit (FLAG_COMMIT, &local->flags);
7066 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7067 local->config.fastListenInterval =
7068 local->config.listenInterval =
7069 cpu_to_le16((vwrq->value + 500) / 1024);
7070 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7071 set_bit (FLAG_COMMIT, &local->flags);
7072 }
7073 switch (vwrq->flags & IW_POWER_MODE) {
7074 case IW_POWER_UNICAST_R:
7075 if (sniffing_mode(local))
7076 return -EINVAL;
7077 local->config.rmode &= ~RXMODE_MASK;
7078 local->config.rmode |= RXMODE_ADDR;
7079 set_bit (FLAG_COMMIT, &local->flags);
7080 break;
7081 case IW_POWER_ALL_R:
7082 if (sniffing_mode(local))
7083 return -EINVAL;
7084 local->config.rmode &= ~RXMODE_MASK;
7085 local->config.rmode |= RXMODE_BC_MC_ADDR;
7086 set_bit (FLAG_COMMIT, &local->flags);
7087 case IW_POWER_ON:
7088 /* This is broken, fixme ;-) */
7089 break;
7090 default:
7091 return -EINVAL;
7092 }
7093 // Note : we may want to factor local->need_commit here
7094 // Note2 : may also want to factor RXMODE_RFMON test
7095 return -EINPROGRESS; /* Call commit handler */
7096}
7097
7098/*------------------------------------------------------------------*/
7099/*
7100 * Wireless Handler : get Power Management
7101 */
7102static int airo_get_power(struct net_device *dev,
7103 struct iw_request_info *info,
7104 struct iw_param *vwrq,
7105 char *extra)
7106{
7107 struct airo_info *local = dev->ml_priv;
7108 __le16 mode;
7109
7110 readConfigRid(local, 1);
7111 mode = local->config.powerSaveMode;
7112 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7113 return 0;
7114 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7115 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7116 vwrq->flags = IW_POWER_TIMEOUT;
7117 } else {
7118 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7119 vwrq->flags = IW_POWER_PERIOD;
7120 }
7121 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7122 vwrq->flags |= IW_POWER_UNICAST_R;
7123 else
7124 vwrq->flags |= IW_POWER_ALL_R;
7125
7126 return 0;
7127}
7128
7129/*------------------------------------------------------------------*/
7130/*
7131 * Wireless Handler : set Sensitivity
7132 */
7133static int airo_set_sens(struct net_device *dev,
7134 struct iw_request_info *info,
7135 struct iw_param *vwrq,
7136 char *extra)
7137{
7138 struct airo_info *local = dev->ml_priv;
7139
7140 readConfigRid(local, 1);
7141 local->config.rssiThreshold =
7142 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7143 set_bit (FLAG_COMMIT, &local->flags);
7144
7145 return -EINPROGRESS; /* Call commit handler */
7146}
7147
7148/*------------------------------------------------------------------*/
7149/*
7150 * Wireless Handler : get Sensitivity
7151 */
7152static int airo_get_sens(struct net_device *dev,
7153 struct iw_request_info *info,
7154 struct iw_param *vwrq,
7155 char *extra)
7156{
7157 struct airo_info *local = dev->ml_priv;
7158
7159 readConfigRid(local, 1);
7160 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7161 vwrq->disabled = (vwrq->value == 0);
7162 vwrq->fixed = 1;
7163
7164 return 0;
7165}
7166
7167/*------------------------------------------------------------------*/
7168/*
7169 * Wireless Handler : get AP List
7170 * Note : this is deprecated in favor of IWSCAN
7171 */
7172static int airo_get_aplist(struct net_device *dev,
7173 struct iw_request_info *info,
7174 struct iw_point *dwrq,
7175 char *extra)
7176{
7177 struct airo_info *local = dev->ml_priv;
7178 struct sockaddr *address = (struct sockaddr *) extra;
7179 struct iw_quality *qual;
7180 BSSListRid BSSList;
7181 int i;
7182 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7183
7184 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7185 if (!qual)
7186 return -ENOMEM;
7187
7188 for (i = 0; i < IW_MAX_AP; i++) {
7189 u16 dBm;
7190 if (readBSSListRid(local, loseSync, &BSSList))
7191 break;
7192 loseSync = 0;
7193 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7194 address[i].sa_family = ARPHRD_ETHER;
7195 dBm = le16_to_cpu(BSSList.dBm);
7196 if (local->rssi) {
7197 qual[i].level = 0x100 - dBm;
7198 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7199 qual[i].updated = IW_QUAL_QUAL_UPDATED
7200 | IW_QUAL_LEVEL_UPDATED
7201 | IW_QUAL_DBM;
7202 } else {
7203 qual[i].level = (dBm + 321) / 2;
7204 qual[i].qual = 0;
7205 qual[i].updated = IW_QUAL_QUAL_INVALID
7206 | IW_QUAL_LEVEL_UPDATED
7207 | IW_QUAL_DBM;
7208 }
7209 qual[i].noise = local->wstats.qual.noise;
7210 if (BSSList.index == cpu_to_le16(0xffff))
7211 break;
7212 }
7213 if (!i) {
7214 StatusRid status_rid; /* Card status info */
7215 readStatusRid(local, &status_rid, 1);
7216 for (i = 0;
7217 i < min(IW_MAX_AP, 4) &&
7218 (status_rid.bssid[i][0]
7219 & status_rid.bssid[i][1]
7220 & status_rid.bssid[i][2]
7221 & status_rid.bssid[i][3]
7222 & status_rid.bssid[i][4]
7223 & status_rid.bssid[i][5])!=0xff &&
7224 (status_rid.bssid[i][0]
7225 | status_rid.bssid[i][1]
7226 | status_rid.bssid[i][2]
7227 | status_rid.bssid[i][3]
7228 | status_rid.bssid[i][4]
7229 | status_rid.bssid[i][5]);
7230 i++) {
7231 memcpy(address[i].sa_data,
7232 status_rid.bssid[i], ETH_ALEN);
7233 address[i].sa_family = ARPHRD_ETHER;
7234 }
7235 } else {
7236 dwrq->flags = 1; /* Should be define'd */
7237 memcpy(extra + sizeof(struct sockaddr)*i,
7238 &qual, sizeof(struct iw_quality)*i);
7239 }
7240 dwrq->length = i;
7241
7242 kfree(qual);
7243 return 0;
7244}
7245
7246/*------------------------------------------------------------------*/
7247/*
7248 * Wireless Handler : Initiate Scan
7249 */
7250static int airo_set_scan(struct net_device *dev,
7251 struct iw_request_info *info,
7252 struct iw_point *dwrq,
7253 char *extra)
7254{
7255 struct airo_info *ai = dev->ml_priv;
7256 Cmd cmd;
7257 Resp rsp;
7258 int wake = 0;
7259
7260 /* Note : you may have realised that, as this is a SET operation,
7261 * this is privileged and therefore a normal user can't
7262 * perform scanning.
7263 * This is not an error, while the device perform scanning,
7264 * traffic doesn't flow, so it's a perfect DoS...
7265 * Jean II */
7266 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7267
7268 if (down_interruptible(&ai->sem))
7269 return -ERESTARTSYS;
7270
7271 /* If there's already a scan in progress, don't
7272 * trigger another one. */
7273 if (ai->scan_timeout > 0)
7274 goto out;
7275
7276 /* Initiate a scan command */
7277 ai->scan_timeout = RUN_AT(3*HZ);
7278 memset(&cmd, 0, sizeof(cmd));
7279 cmd.cmd=CMD_LISTBSS;
7280 issuecommand(ai, &cmd, &rsp);
7281 wake = 1;
7282
7283out:
7284 up(&ai->sem);
7285 if (wake)
7286 wake_up_interruptible(&ai->thr_wait);
7287 return 0;
7288}
7289
7290/*------------------------------------------------------------------*/
7291/*
7292 * Translate scan data returned from the card to a card independent
7293 * format that the Wireless Tools will understand - Jean II
7294 */
7295static inline char *airo_translate_scan(struct net_device *dev,
7296 struct iw_request_info *info,
7297 char *current_ev,
7298 char *end_buf,
7299 BSSListRid *bss)
7300{
7301 struct airo_info *ai = dev->ml_priv;
7302 struct iw_event iwe; /* Temporary buffer */
7303 __le16 capabilities;
7304 char * current_val; /* For rates */
7305 int i;
7306 char * buf;
7307 u16 dBm;
7308
7309 /* First entry *MUST* be the AP MAC address */
7310 iwe.cmd = SIOCGIWAP;
7311 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7312 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7313 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7314 &iwe, IW_EV_ADDR_LEN);
7315
7316 /* Other entries will be displayed in the order we give them */
7317
7318 /* Add the ESSID */
7319 iwe.u.data.length = bss->ssidLen;
7320 if(iwe.u.data.length > 32)
7321 iwe.u.data.length = 32;
7322 iwe.cmd = SIOCGIWESSID;
7323 iwe.u.data.flags = 1;
7324 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7325 &iwe, bss->ssid);
7326
7327 /* Add mode */
7328 iwe.cmd = SIOCGIWMODE;
7329 capabilities = bss->cap;
7330 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7331 if(capabilities & CAP_ESS)
7332 iwe.u.mode = IW_MODE_MASTER;
7333 else
7334 iwe.u.mode = IW_MODE_ADHOC;
7335 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7336 &iwe, IW_EV_UINT_LEN);
7337 }
7338
7339 /* Add frequency */
7340 iwe.cmd = SIOCGIWFREQ;
7341 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7342 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7343 iwe.u.freq.e = 1;
7344 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7345 &iwe, IW_EV_FREQ_LEN);
7346
7347 dBm = le16_to_cpu(bss->dBm);
7348
7349 /* Add quality statistics */
7350 iwe.cmd = IWEVQUAL;
7351 if (ai->rssi) {
7352 iwe.u.qual.level = 0x100 - dBm;
7353 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7354 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7355 | IW_QUAL_LEVEL_UPDATED
7356 | IW_QUAL_DBM;
7357 } else {
7358 iwe.u.qual.level = (dBm + 321) / 2;
7359 iwe.u.qual.qual = 0;
7360 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7361 | IW_QUAL_LEVEL_UPDATED
7362 | IW_QUAL_DBM;
7363 }
7364 iwe.u.qual.noise = ai->wstats.qual.noise;
7365 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7366 &iwe, IW_EV_QUAL_LEN);
7367
7368 /* Add encryption capability */
7369 iwe.cmd = SIOCGIWENCODE;
7370 if(capabilities & CAP_PRIVACY)
7371 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7372 else
7373 iwe.u.data.flags = IW_ENCODE_DISABLED;
7374 iwe.u.data.length = 0;
7375 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7376 &iwe, bss->ssid);
7377
7378 /* Rate : stuffing multiple values in a single event require a bit
7379 * more of magic - Jean II */
7380 current_val = current_ev + iwe_stream_lcp_len(info);
7381
7382 iwe.cmd = SIOCGIWRATE;
7383 /* Those two flags are ignored... */
7384 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7385 /* Max 8 values */
7386 for(i = 0 ; i < 8 ; i++) {
7387 /* NULL terminated */
7388 if(bss->rates[i] == 0)
7389 break;
7390 /* Bit rate given in 500 kb/s units (+ 0x80) */
7391 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7392 /* Add new value to event */
7393 current_val = iwe_stream_add_value(info, current_ev,
7394 current_val, end_buf,
7395 &iwe, IW_EV_PARAM_LEN);
7396 }
7397 /* Check if we added any event */
7398 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7399 current_ev = current_val;
7400
7401 /* Beacon interval */
7402 buf = kmalloc(30, GFP_KERNEL);
7403 if (buf) {
7404 iwe.cmd = IWEVCUSTOM;
7405 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7406 iwe.u.data.length = strlen(buf);
7407 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7408 &iwe, buf);
7409 kfree(buf);
7410 }
7411
7412 /* Put WPA/RSN Information Elements into the event stream */
7413 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7414 unsigned int num_null_ies = 0;
7415 u16 length = sizeof (bss->extra.iep);
7416 u8 *ie = (void *)&bss->extra.iep;
7417
7418 while ((length >= 2) && (num_null_ies < 2)) {
7419 if (2 + ie[1] > length) {
7420 /* Invalid element, don't continue parsing IE */
7421 break;
7422 }
7423
7424 switch (ie[0]) {
7425 case WLAN_EID_SSID:
7426 /* Two zero-length SSID elements
7427 * mean we're done parsing elements */
7428 if (!ie[1])
7429 num_null_ies++;
7430 break;
7431
7432 case WLAN_EID_GENERIC:
7433 if (ie[1] >= 4 &&
7434 ie[2] == 0x00 &&
7435 ie[3] == 0x50 &&
7436 ie[4] == 0xf2 &&
7437 ie[5] == 0x01) {
7438 iwe.cmd = IWEVGENIE;
7439 /* 64 is an arbitrary cut-off */
7440 iwe.u.data.length = min(ie[1] + 2,
7441 64);
7442 current_ev = iwe_stream_add_point(
7443 info, current_ev,
7444 end_buf, &iwe, ie);
7445 }
7446 break;
7447
7448 case WLAN_EID_RSN:
7449 iwe.cmd = IWEVGENIE;
7450 /* 64 is an arbitrary cut-off */
7451 iwe.u.data.length = min(ie[1] + 2, 64);
7452 current_ev = iwe_stream_add_point(
7453 info, current_ev, end_buf,
7454 &iwe, ie);
7455 break;
7456
7457 default:
7458 break;
7459 }
7460
7461 length -= 2 + ie[1];
7462 ie += 2 + ie[1];
7463 }
7464 }
7465 return current_ev;
7466}
7467
7468/*------------------------------------------------------------------*/
7469/*
7470 * Wireless Handler : Read Scan Results
7471 */
7472static int airo_get_scan(struct net_device *dev,
7473 struct iw_request_info *info,
7474 struct iw_point *dwrq,
7475 char *extra)
7476{
7477 struct airo_info *ai = dev->ml_priv;
7478 BSSListElement *net;
7479 int err = 0;
7480 char *current_ev = extra;
7481
7482 /* If a scan is in-progress, return -EAGAIN */
7483 if (ai->scan_timeout > 0)
7484 return -EAGAIN;
7485
7486 if (down_interruptible(&ai->sem))
7487 return -EAGAIN;
7488
7489 list_for_each_entry (net, &ai->network_list, list) {
7490 /* Translate to WE format this entry */
7491 current_ev = airo_translate_scan(dev, info, current_ev,
7492 extra + dwrq->length,
7493 &net->bss);
7494
7495 /* Check if there is space for one more entry */
7496 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7497 /* Ask user space to try again with a bigger buffer */
7498 err = -E2BIG;
7499 goto out;
7500 }
7501 }
7502
7503 /* Length of data */
7504 dwrq->length = (current_ev - extra);
7505 dwrq->flags = 0; /* todo */
7506
7507out:
7508 up(&ai->sem);
7509 return err;
7510}
7511
7512/*------------------------------------------------------------------*/
7513/*
7514 * Commit handler : called after a bunch of SET operations
7515 */
7516static int airo_config_commit(struct net_device *dev,
7517 struct iw_request_info *info, /* NULL */
7518 void *zwrq, /* NULL */
7519 char *extra) /* NULL */
7520{
7521 struct airo_info *local = dev->ml_priv;
7522
7523 if (!test_bit (FLAG_COMMIT, &local->flags))
7524 return 0;
7525
7526 /* Some of the "SET" function may have modified some of the
7527 * parameters. It's now time to commit them in the card */
7528 disable_MAC(local, 1);
7529 if (test_bit (FLAG_RESET, &local->flags)) {
7530 APListRid APList_rid;
7531 SsidRid SSID_rid;
7532
7533 readAPListRid(local, &APList_rid);
7534 readSsidRid(local, &SSID_rid);
7535 if (test_bit(FLAG_MPI,&local->flags))
7536 setup_card(local, dev->dev_addr, 1 );
7537 else
7538 reset_airo_card(dev);
7539 disable_MAC(local, 1);
7540 writeSsidRid(local, &SSID_rid, 1);
7541 writeAPListRid(local, &APList_rid, 1);
7542 }
7543 if (down_interruptible(&local->sem))
7544 return -ERESTARTSYS;
7545 writeConfigRid(local, 0);
7546 enable_MAC(local, 0);
7547 if (test_bit (FLAG_RESET, &local->flags))
7548 airo_set_promisc(local);
7549 else
7550 up(&local->sem);
7551
7552 return 0;
7553}
7554
7555/*------------------------------------------------------------------*/
7556/*
7557 * Structures to export the Wireless Handlers
7558 */
7559
7560static const struct iw_priv_args airo_private_args[] = {
7561/*{ cmd, set_args, get_args, name } */
7562 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7563 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7564 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7565 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7566};
7567
7568static const iw_handler airo_handler[] =
7569{
7570 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7571 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7572 (iw_handler) NULL, /* SIOCSIWNWID */
7573 (iw_handler) NULL, /* SIOCGIWNWID */
7574 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7575 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7576 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7577 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7578 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7579 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7580 (iw_handler) NULL, /* SIOCSIWRANGE */
7581 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7582 (iw_handler) NULL, /* SIOCSIWPRIV */
7583 (iw_handler) NULL, /* SIOCGIWPRIV */
7584 (iw_handler) NULL, /* SIOCSIWSTATS */
7585 (iw_handler) NULL, /* SIOCGIWSTATS */
7586 iw_handler_set_spy, /* SIOCSIWSPY */
7587 iw_handler_get_spy, /* SIOCGIWSPY */
7588 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7589 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7590 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7591 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7592 (iw_handler) NULL, /* -- hole -- */
7593 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7594 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7595 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7596 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7597 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7598 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7599 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7600 (iw_handler) NULL, /* -- hole -- */
7601 (iw_handler) NULL, /* -- hole -- */
7602 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7603 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7604 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7605 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7606 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7607 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7608 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7609 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7610 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7611 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7612 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7613 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7614 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7615 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7616 (iw_handler) NULL, /* -- hole -- */
7617 (iw_handler) NULL, /* -- hole -- */
7618 (iw_handler) NULL, /* SIOCSIWGENIE */
7619 (iw_handler) NULL, /* SIOCGIWGENIE */
7620 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7621 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7622 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7623 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7624 (iw_handler) NULL, /* SIOCSIWPMKSA */
7625};
7626
7627/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7628 * We want to force the use of the ioctl code, because those can't be
7629 * won't work the iw_handler code (because they simultaneously read
7630 * and write data and iw_handler can't do that).
7631 * Note that it's perfectly legal to read/write on a single ioctl command,
7632 * you just can't use iwpriv and need to force it via the ioctl handler.
7633 * Jean II */
7634static const iw_handler airo_private_handler[] =
7635{
7636 NULL, /* SIOCIWFIRSTPRIV */
7637};
7638
7639static const struct iw_handler_def airo_handler_def =
7640{
7641 .num_standard = ARRAY_SIZE(airo_handler),
7642 .num_private = ARRAY_SIZE(airo_private_handler),
7643 .num_private_args = ARRAY_SIZE(airo_private_args),
7644 .standard = airo_handler,
7645 .private = airo_private_handler,
7646 .private_args = airo_private_args,
7647 .get_wireless_stats = airo_get_wireless_stats,
7648};
7649
7650/*
7651 * This defines the configuration part of the Wireless Extensions
7652 * Note : irq and spinlock protection will occur in the subroutines
7653 *
7654 * TODO :
7655 * o Check input value more carefully and fill correct values in range
7656 * o Test and shakeout the bugs (if any)
7657 *
7658 * Jean II
7659 *
7660 * Javier Achirica did a great job of merging code from the unnamed CISCO
7661 * developer that added support for flashing the card.
7662 */
7663static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7664{
7665 int rc = 0;
7666 struct airo_info *ai = dev->ml_priv;
7667
7668 if (ai->power.event)
7669 return 0;
7670
7671 switch (cmd) {
7672#ifdef CISCO_EXT
7673 case AIROIDIFC:
7674#ifdef AIROOLDIDIFC
7675 case AIROOLDIDIFC:
7676#endif
7677 {
7678 int val = AIROMAGIC;
7679 aironet_ioctl com;
7680 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7681 rc = -EFAULT;
7682 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7683 rc = -EFAULT;
7684 }
7685 break;
7686
7687 case AIROIOCTL:
7688#ifdef AIROOLDIOCTL
7689 case AIROOLDIOCTL:
7690#endif
7691 /* Get the command struct and hand it off for evaluation by
7692 * the proper subfunction
7693 */
7694 {
7695 aironet_ioctl com;
7696 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7697 rc = -EFAULT;
7698 break;
7699 }
7700
7701 /* Separate R/W functions bracket legality here
7702 */
7703 if ( com.command == AIRORSWVERSION ) {
7704 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7705 rc = -EFAULT;
7706 else
7707 rc = 0;
7708 }
7709 else if ( com.command <= AIRORRID)
7710 rc = readrids(dev,&com);
7711 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7712 rc = writerids(dev,&com);
7713 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7714 rc = flashcard(dev,&com);
7715 else
7716 rc = -EINVAL; /* Bad command in ioctl */
7717 }
7718 break;
7719#endif /* CISCO_EXT */
7720
7721 // All other calls are currently unsupported
7722 default:
7723 rc = -EOPNOTSUPP;
7724 }
7725 return rc;
7726}
7727
7728/*
7729 * Get the Wireless stats out of the driver
7730 * Note : irq and spinlock protection will occur in the subroutines
7731 *
7732 * TODO :
7733 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7734 *
7735 * Jean
7736 */
7737static void airo_read_wireless_stats(struct airo_info *local)
7738{
7739 StatusRid status_rid;
7740 StatsRid stats_rid;
7741 CapabilityRid cap_rid;
7742 __le32 *vals = stats_rid.vals;
7743
7744 /* Get stats out of the card */
7745 clear_bit(JOB_WSTATS, &local->jobs);
7746 if (local->power.event) {
7747 up(&local->sem);
7748 return;
7749 }
7750 readCapabilityRid(local, &cap_rid, 0);
7751 readStatusRid(local, &status_rid, 0);
7752 readStatsRid(local, &stats_rid, RID_STATS, 0);
7753 up(&local->sem);
7754
7755 /* The status */
7756 local->wstats.status = le16_to_cpu(status_rid.mode);
7757
7758 /* Signal quality and co */
7759 if (local->rssi) {
7760 local->wstats.qual.level =
7761 airo_rssi_to_dbm(local->rssi,
7762 le16_to_cpu(status_rid.sigQuality));
7763 /* normalizedSignalStrength appears to be a percentage */
7764 local->wstats.qual.qual =
7765 le16_to_cpu(status_rid.normalizedSignalStrength);
7766 } else {
7767 local->wstats.qual.level =
7768 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7769 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7770 }
7771 if (le16_to_cpu(status_rid.len) >= 124) {
7772 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7773 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7774 } else {
7775 local->wstats.qual.noise = 0;
7776 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7777 }
7778
7779 /* Packets discarded in the wireless adapter due to wireless
7780 * specific problems */
7781 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7782 le32_to_cpu(vals[57]) +
7783 le32_to_cpu(vals[58]); /* SSID Mismatch */
7784 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7785 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7786 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7787 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7788 le32_to_cpu(vals[32]);
7789 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7790}
7791
7792static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7793{
7794 struct airo_info *local = dev->ml_priv;
7795
7796 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7797 /* Get stats out of the card if available */
7798 if (down_trylock(&local->sem) != 0) {
7799 set_bit(JOB_WSTATS, &local->jobs);
7800 wake_up_interruptible(&local->thr_wait);
7801 } else
7802 airo_read_wireless_stats(local);
7803 }
7804
7805 return &local->wstats;
7806}
7807
7808#ifdef CISCO_EXT
7809/*
7810 * This just translates from driver IOCTL codes to the command codes to
7811 * feed to the radio's host interface. Things can be added/deleted
7812 * as needed. This represents the READ side of control I/O to
7813 * the card
7814 */
7815static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7816 unsigned short ridcode;
7817 unsigned char *iobuf;
7818 int len;
7819 struct airo_info *ai = dev->ml_priv;
7820
7821 if (test_bit(FLAG_FLASHING, &ai->flags))
7822 return -EIO;
7823
7824 switch(comp->command)
7825 {
7826 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7827 case AIROGCFG: ridcode = RID_CONFIG;
7828 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7829 disable_MAC (ai, 1);
7830 writeConfigRid (ai, 1);
7831 enable_MAC(ai, 1);
7832 }
7833 break;
7834 case AIROGSLIST: ridcode = RID_SSID; break;
7835 case AIROGVLIST: ridcode = RID_APLIST; break;
7836 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7837 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7838 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7839 /* Only super-user can read WEP keys */
7840 if (!capable(CAP_NET_ADMIN))
7841 return -EPERM;
7842 break;
7843 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7844 /* Only super-user can read WEP keys */
7845 if (!capable(CAP_NET_ADMIN))
7846 return -EPERM;
7847 break;
7848 case AIROGSTAT: ridcode = RID_STATUS; break;
7849 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7850 case AIROGSTATSC32: ridcode = RID_STATS; break;
7851 case AIROGMICSTATS:
7852 if (copy_to_user(comp->data, &ai->micstats,
7853 min((int)comp->len,(int)sizeof(ai->micstats))))
7854 return -EFAULT;
7855 return 0;
7856 case AIRORRID: ridcode = comp->ridnum; break;
7857 default:
7858 return -EINVAL;
7859 break;
7860 }
7861
7862 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7863 return -ENOMEM;
7864
7865 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7866 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7867 * then return it to the user
7868 * 9/22/2000 Honor user given length
7869 */
7870 len = comp->len;
7871
7872 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7873 kfree (iobuf);
7874 return -EFAULT;
7875 }
7876 kfree (iobuf);
7877 return 0;
7878}
7879
7880/*
7881 * Danger Will Robinson write the rids here
7882 */
7883
7884static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7885 struct airo_info *ai = dev->ml_priv;
7886 int ridcode;
7887 int enabled;
7888 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7889 unsigned char *iobuf;
7890
7891 /* Only super-user can write RIDs */
7892 if (!capable(CAP_NET_ADMIN))
7893 return -EPERM;
7894
7895 if (test_bit(FLAG_FLASHING, &ai->flags))
7896 return -EIO;
7897
7898 ridcode = 0;
7899 writer = do_writerid;
7900
7901 switch(comp->command)
7902 {
7903 case AIROPSIDS: ridcode = RID_SSID; break;
7904 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7905 case AIROPAPLIST: ridcode = RID_APLIST; break;
7906 case AIROPCFG: ai->config.len = 0;
7907 clear_bit(FLAG_COMMIT, &ai->flags);
7908 ridcode = RID_CONFIG; break;
7909 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7910 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7911 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7912 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7913 break;
7914 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7915 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7916
7917 /* this is not really a rid but a command given to the card
7918 * same with MAC off
7919 */
7920 case AIROPMACON:
7921 if (enable_MAC(ai, 1) != 0)
7922 return -EIO;
7923 return 0;
7924
7925 /*
7926 * Evidently this code in the airo driver does not get a symbol
7927 * as disable_MAC. it's probably so short the compiler does not gen one.
7928 */
7929 case AIROPMACOFF:
7930 disable_MAC(ai, 1);
7931 return 0;
7932
7933 /* This command merely clears the counts does not actually store any data
7934 * only reads rid. But as it changes the cards state, I put it in the
7935 * writerid routines.
7936 */
7937 case AIROPSTCLR:
7938 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7939 return -ENOMEM;
7940
7941 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7942
7943 enabled = ai->micstats.enabled;
7944 memset(&ai->micstats,0,sizeof(ai->micstats));
7945 ai->micstats.enabled = enabled;
7946
7947 if (copy_to_user(comp->data, iobuf,
7948 min((int)comp->len, (int)RIDSIZE))) {
7949 kfree (iobuf);
7950 return -EFAULT;
7951 }
7952 kfree (iobuf);
7953 return 0;
7954
7955 default:
7956 return -EOPNOTSUPP; /* Blarg! */
7957 }
7958 if(comp->len > RIDSIZE)
7959 return -EINVAL;
7960
7961 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7962 return -ENOMEM;
7963
7964 if (copy_from_user(iobuf,comp->data,comp->len)) {
7965 kfree (iobuf);
7966 return -EFAULT;
7967 }
7968
7969 if (comp->command == AIROPCFG) {
7970 ConfigRid *cfg = (ConfigRid *)iobuf;
7971
7972 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7973 cfg->opmode |= MODE_MIC;
7974
7975 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7976 set_bit (FLAG_ADHOC, &ai->flags);
7977 else
7978 clear_bit (FLAG_ADHOC, &ai->flags);
7979 }
7980
7981 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7982 kfree (iobuf);
7983 return -EIO;
7984 }
7985 kfree (iobuf);
7986 return 0;
7987}
7988
7989/*****************************************************************************
7990 * Ancillary flash / mod functions much black magic lurkes here *
7991 *****************************************************************************
7992 */
7993
7994/*
7995 * Flash command switch table
7996 */
7997
7998static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7999 int z;
8000
8001 /* Only super-user can modify flash */
8002 if (!capable(CAP_NET_ADMIN))
8003 return -EPERM;
8004
8005 switch(comp->command)
8006 {
8007 case AIROFLSHRST:
8008 return cmdreset((struct airo_info *)dev->ml_priv);
8009
8010 case AIROFLSHSTFL:
8011 if (!AIRO_FLASH(dev) &&
8012 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8013 return -ENOMEM;
8014 return setflashmode((struct airo_info *)dev->ml_priv);
8015
8016 case AIROFLSHGCHR: /* Get char from aux */
8017 if(comp->len != sizeof(int))
8018 return -EINVAL;
8019 if (copy_from_user(&z,comp->data,comp->len))
8020 return -EFAULT;
8021 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8022
8023 case AIROFLSHPCHR: /* Send char to card. */
8024 if(comp->len != sizeof(int))
8025 return -EINVAL;
8026 if (copy_from_user(&z,comp->data,comp->len))
8027 return -EFAULT;
8028 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8029
8030 case AIROFLPUTBUF: /* Send 32k to card */
8031 if (!AIRO_FLASH(dev))
8032 return -ENOMEM;
8033 if(comp->len > FLASHSIZE)
8034 return -EINVAL;
8035 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8036 return -EFAULT;
8037
8038 flashputbuf((struct airo_info *)dev->ml_priv);
8039 return 0;
8040
8041 case AIRORESTART:
8042 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8043 return -EIO;
8044 return 0;
8045 }
8046 return -EINVAL;
8047}
8048
8049#define FLASH_COMMAND 0x7e7e
8050
8051/*
8052 * STEP 1)
8053 * Disable MAC and do soft reset on
8054 * card.
8055 */
8056
8057static int cmdreset(struct airo_info *ai) {
8058 disable_MAC(ai, 1);
8059
8060 if(!waitbusy (ai)){
8061 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8062 return -EBUSY;
8063 }
8064
8065 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8066
8067 ssleep(1); /* WAS 600 12/7/00 */
8068
8069 if(!waitbusy (ai)){
8070 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8071 return -EBUSY;
8072 }
8073 return 0;
8074}
8075
8076/* STEP 2)
8077 * Put the card in legendary flash
8078 * mode
8079 */
8080
8081static int setflashmode (struct airo_info *ai) {
8082 set_bit (FLAG_FLASHING, &ai->flags);
8083
8084 OUT4500(ai, SWS0, FLASH_COMMAND);
8085 OUT4500(ai, SWS1, FLASH_COMMAND);
8086 if (probe) {
8087 OUT4500(ai, SWS0, FLASH_COMMAND);
8088 OUT4500(ai, COMMAND,0x10);
8089 } else {
8090 OUT4500(ai, SWS2, FLASH_COMMAND);
8091 OUT4500(ai, SWS3, FLASH_COMMAND);
8092 OUT4500(ai, COMMAND,0);
8093 }
8094 msleep(500); /* 500ms delay */
8095
8096 if(!waitbusy(ai)) {
8097 clear_bit (FLAG_FLASHING, &ai->flags);
8098 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8099 return -EIO;
8100 }
8101 return 0;
8102}
8103
8104/* Put character to SWS0 wait for dwelltime
8105 * x 50us for echo .
8106 */
8107
8108static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8109 int echo;
8110 int waittime;
8111
8112 byte |= 0x8000;
8113
8114 if(dwelltime == 0 )
8115 dwelltime = 200;
8116
8117 waittime=dwelltime;
8118
8119 /* Wait for busy bit d15 to go false indicating buffer empty */
8120 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8121 udelay (50);
8122 waittime -= 50;
8123 }
8124
8125 /* timeout for busy clear wait */
8126 if(waittime <= 0 ){
8127 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8128 return -EBUSY;
8129 }
8130
8131 /* Port is clear now write byte and wait for it to echo back */
8132 do {
8133 OUT4500(ai,SWS0,byte);
8134 udelay(50);
8135 dwelltime -= 50;
8136 echo = IN4500(ai,SWS1);
8137 } while (dwelltime >= 0 && echo != byte);
8138
8139 OUT4500(ai,SWS1,0);
8140
8141 return (echo == byte) ? 0 : -EIO;
8142}
8143
8144/*
8145 * Get a character from the card matching matchbyte
8146 * Step 3)
8147 */
8148static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8149 int rchar;
8150 unsigned char rbyte=0;
8151
8152 do {
8153 rchar = IN4500(ai,SWS1);
8154
8155 if(dwelltime && !(0x8000 & rchar)){
8156 dwelltime -= 10;
8157 mdelay(10);
8158 continue;
8159 }
8160 rbyte = 0xff & rchar;
8161
8162 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8163 OUT4500(ai,SWS1,0);
8164 return 0;
8165 }
8166 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8167 break;
8168 OUT4500(ai,SWS1,0);
8169
8170 }while(dwelltime > 0);
8171 return -EIO;
8172}
8173
8174/*
8175 * Transfer 32k of firmware data from user buffer to our buffer and
8176 * send to the card
8177 */
8178
8179static int flashputbuf(struct airo_info *ai){
8180 int nwords;
8181
8182 /* Write stuff */
8183 if (test_bit(FLAG_MPI,&ai->flags))
8184 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8185 else {
8186 OUT4500(ai,AUXPAGE,0x100);
8187 OUT4500(ai,AUXOFF,0);
8188
8189 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8190 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8191 }
8192 }
8193 OUT4500(ai,SWS0,0x8000);
8194
8195 return 0;
8196}
8197
8198/*
8199 *
8200 */
8201static int flashrestart(struct airo_info *ai,struct net_device *dev){
8202 int i,status;
8203
8204 ssleep(1); /* Added 12/7/00 */
8205 clear_bit (FLAG_FLASHING, &ai->flags);
8206 if (test_bit(FLAG_MPI, &ai->flags)) {
8207 status = mpi_init_descriptors(ai);
8208 if (status != SUCCESS)
8209 return status;
8210 }
8211 status = setup_card(ai, dev->dev_addr, 1);
8212
8213 if (!test_bit(FLAG_MPI,&ai->flags))
8214 for( i = 0; i < MAX_FIDS; i++ ) {
8215 ai->fids[i] = transmit_allocate
8216 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8217 }
8218
8219 ssleep(1); /* Added 12/7/00 */
8220 return status;
8221}
8222#endif /* CISCO_EXT */
8223
8224/*
8225 This program is free software; you can redistribute it and/or
8226 modify it under the terms of the GNU General Public License
8227 as published by the Free Software Foundation; either version 2
8228 of the License, or (at your option) any later version.
8229
8230 This program is distributed in the hope that it will be useful,
8231 but WITHOUT ANY WARRANTY; without even the implied warranty of
8232 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8233 GNU General Public License for more details.
8234
8235 In addition:
8236
8237 Redistribution and use in source and binary forms, with or without
8238 modification, are permitted provided that the following conditions
8239 are met:
8240
8241 1. Redistributions of source code must retain the above copyright
8242 notice, this list of conditions and the following disclaimer.
8243 2. Redistributions in binary form must reproduce the above copyright
8244 notice, this list of conditions and the following disclaimer in the
8245 documentation and/or other materials provided with the distribution.
8246 3. The name of the author may not be used to endorse or promote
8247 products derived from this software without specific prior written
8248 permission.
8249
8250 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8251 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8252 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8253 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8254 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8255 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8256 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8257 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8258 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8259 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8260 POSSIBILITY OF SUCH DAMAGE.
8261*/
8262
8263module_init(airo_init_module);
8264module_exit(airo_cleanup_module);
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
22#include <linux/err.h>
23#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
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>
37#include <linux/scatterlist.h>
38#include <linux/crypto.h>
39#include <linux/io.h>
40#include <asm/unaligned.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <linux/uaccess.h>
49#include <linux/kthread.h>
50#include <linux/freezer.h>
51
52#include <net/cfg80211.h>
53#include <net/iw_handler.h>
54
55#include "airo.h"
56
57#define DRV_NAME "airo"
58
59#ifdef CONFIG_PCI
60static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69};
70MODULE_DEVICE_TABLE(pci, card_ids);
71
72static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73static void airo_pci_remove(struct pci_dev *);
74static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75static int airo_pci_resume(struct pci_dev *pdev);
76
77static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84};
85#endif /* CONFIG_PCI */
86
87/* Include Wireless Extension definition and check version - Jean II */
88#include <linux/wireless.h>
89#define WIRELESS_SPY /* enable iwspy support */
90
91#define CISCO_EXT /* enable Cisco extensions */
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
96/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
106static const char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
218static char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
234static kuid_t proc_kuid;
235static int proc_uid /* = 0 */;
236
237static kgid_t proc_kgid;
238static int proc_gid /* = 0 */;
239
240static int airo_perm = 0555;
241
242static int proc_perm = 0644;
243
244MODULE_AUTHOR("Benjamin Reed");
245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
254MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258module_param(aux_bap, int, 0);
259MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262module_param(maxencrypt, int, 0);
263MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268module_param(adhoc, int, 0);
269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270module_param(probe, int, 0);
271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273module_param(proc_uid, int, 0);
274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275module_param(proc_gid, int, 0);
276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277module_param(airo_perm, int, 0);
278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279module_param(proc_perm, int, 0);
280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282/* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285static int do8bitIO /* = 0 */;
286
287/* Return codes */
288#define SUCCESS 0
289#define ERROR -1
290#define NO_PACKET -2
291
292/* Commands */
293#define NOP2 0x0000
294#define MAC_ENABLE 0x0001
295#define MAC_DISABLE 0x0002
296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297#define CMD_SOFTRESET 0x0004
298#define HOSTSLEEP 0x0005
299#define CMD_MAGIC_PKT 0x0006
300#define CMD_SETWAKEMASK 0x0007
301#define CMD_READCFG 0x0008
302#define CMD_SETMODE 0x0009
303#define CMD_ALLOCATETX 0x000a
304#define CMD_TRANSMIT 0x000b
305#define CMD_DEALLOCATETX 0x000c
306#define NOP 0x0010
307#define CMD_WORKAROUND 0x0011
308#define CMD_ALLOCATEAUX 0x0020
309#define CMD_ACCESS 0x0021
310#define CMD_PCIBAP 0x0022
311#define CMD_PCIAUX 0x0023
312#define CMD_ALLOCBUF 0x0028
313#define CMD_GETTLV 0x0029
314#define CMD_PUTTLV 0x002a
315#define CMD_DELTLV 0x002b
316#define CMD_FINDNEXTTLV 0x002c
317#define CMD_PSPNODES 0x0030
318#define CMD_SETCW 0x0031
319#define CMD_SETPCF 0x0032
320#define CMD_SETPHYREG 0x003e
321#define CMD_TXTEST 0x003f
322#define MAC_ENABLETX 0x0101
323#define CMD_LISTBSS 0x0103
324#define CMD_SAVECFG 0x0108
325#define CMD_ENABLEAUX 0x0111
326#define CMD_WRITERID 0x0121
327#define CMD_USEPSPNODES 0x0130
328#define MAC_ENABLERX 0x0201
329
330/* Command errors */
331#define ERROR_QUALIF 0x00
332#define ERROR_ILLCMD 0x01
333#define ERROR_ILLFMT 0x02
334#define ERROR_INVFID 0x03
335#define ERROR_INVRID 0x04
336#define ERROR_LARGE 0x05
337#define ERROR_NDISABL 0x06
338#define ERROR_ALLOCBSY 0x07
339#define ERROR_NORD 0x0B
340#define ERROR_NOWR 0x0C
341#define ERROR_INVFIDTX 0x0D
342#define ERROR_TESTACT 0x0E
343#define ERROR_TAGNFND 0x12
344#define ERROR_DECODE 0x20
345#define ERROR_DESCUNAV 0x21
346#define ERROR_BADLEN 0x22
347#define ERROR_MODE 0x80
348#define ERROR_HOP 0x81
349#define ERROR_BINTER 0x82
350#define ERROR_RXMODE 0x83
351#define ERROR_MACADDR 0x84
352#define ERROR_RATES 0x85
353#define ERROR_ORDER 0x86
354#define ERROR_SCAN 0x87
355#define ERROR_AUTH 0x88
356#define ERROR_PSMODE 0x89
357#define ERROR_RTYPE 0x8A
358#define ERROR_DIVER 0x8B
359#define ERROR_SSID 0x8C
360#define ERROR_APLIST 0x8D
361#define ERROR_AUTOWAKE 0x8E
362#define ERROR_LEAP 0x8F
363
364/* Registers */
365#define COMMAND 0x00
366#define PARAM0 0x02
367#define PARAM1 0x04
368#define PARAM2 0x06
369#define STATUS 0x08
370#define RESP0 0x0a
371#define RESP1 0x0c
372#define RESP2 0x0e
373#define LINKSTAT 0x10
374#define SELECT0 0x18
375#define OFFSET0 0x1c
376#define RXFID 0x20
377#define TXALLOCFID 0x22
378#define TXCOMPLFID 0x24
379#define DATA0 0x36
380#define EVSTAT 0x30
381#define EVINTEN 0x32
382#define EVACK 0x34
383#define SWS0 0x28
384#define SWS1 0x2a
385#define SWS2 0x2c
386#define SWS3 0x2e
387#define AUXPAGE 0x3A
388#define AUXOFF 0x3C
389#define AUXDATA 0x3E
390
391#define FID_TX 1
392#define FID_RX 2
393/* Offset into aux memory for descriptors */
394#define AUX_OFFSET 0x800
395/* Size of allocated packets */
396#define PKTSIZE 1840
397#define RIDSIZE 2048
398/* Size of the transmit queue */
399#define MAXTXQ 64
400
401/* BAP selectors */
402#define BAP0 0 /* Used for receiving packets */
403#define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405/* Flags */
406#define COMMAND_BUSY 0x8000
407
408#define BAP_BUSY 0x8000
409#define BAP_ERR 0x4000
410#define BAP_DONE 0x2000
411
412#define PROMISC 0xffff
413#define NOPROMISC 0x0000
414
415#define EV_CMD 0x10
416#define EV_CLEARCOMMANDBUSY 0x4000
417#define EV_RX 0x01
418#define EV_TX 0x02
419#define EV_TXEXC 0x04
420#define EV_ALLOC 0x08
421#define EV_LINK 0x80
422#define EV_AWAKE 0x100
423#define EV_TXCPY 0x400
424#define EV_UNKNOWN 0x800
425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426#define EV_AWAKEN 0x2000
427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429#ifdef CHECK_UNKNOWN_INTS
430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431#else
432#define IGNORE_INTS (~STATUS_INTS)
433#endif
434
435/* RID TYPES */
436#define RID_RW 0x20
437
438/* The RIDs */
439#define RID_CAPABILITIES 0xFF00
440#define RID_APINFO 0xFF01
441#define RID_RADIOINFO 0xFF02
442#define RID_UNKNOWN3 0xFF03
443#define RID_RSSI 0xFF04
444#define RID_CONFIG 0xFF10
445#define RID_SSID 0xFF11
446#define RID_APLIST 0xFF12
447#define RID_DRVNAME 0xFF13
448#define RID_ETHERENCAP 0xFF14
449#define RID_WEP_TEMP 0xFF15
450#define RID_WEP_PERM 0xFF16
451#define RID_MODULATION 0xFF17
452#define RID_OPTIONS 0xFF18
453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454#define RID_FACTORYCONFIG 0xFF21
455#define RID_UNKNOWN22 0xFF22
456#define RID_LEAPUSERNAME 0xFF23
457#define RID_LEAPPASSWORD 0xFF24
458#define RID_STATUS 0xFF50
459#define RID_BEACON_HST 0xFF51
460#define RID_BUSY_HST 0xFF52
461#define RID_RETRIES_HST 0xFF53
462#define RID_UNKNOWN54 0xFF54
463#define RID_UNKNOWN55 0xFF55
464#define RID_UNKNOWN56 0xFF56
465#define RID_MIC 0xFF57
466#define RID_STATS16 0xFF60
467#define RID_STATS16DELTA 0xFF61
468#define RID_STATS16DELTACLEAR 0xFF62
469#define RID_STATS 0xFF68
470#define RID_STATSDELTA 0xFF69
471#define RID_STATSDELTACLEAR 0xFF6A
472#define RID_ECHOTEST_RID 0xFF70
473#define RID_ECHOTEST_RESULTS 0xFF71
474#define RID_BSSLISTFIRST 0xFF72
475#define RID_BSSLISTNEXT 0xFF73
476#define RID_WPA_BSSLISTFIRST 0xFF74
477#define RID_WPA_BSSLISTNEXT 0xFF75
478
479typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484} Cmd;
485
486typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491} Resp;
492
493/*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501typedef struct WepKeyRid WepKeyRid;
502struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508} __packed;
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
511typedef struct Ssid Ssid;
512struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515} __packed;
516
517typedef struct SsidRid SsidRid;
518struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521} __packed;
522
523typedef struct ModulationRid ModulationRid;
524struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527#define MOD_DEFAULT cpu_to_le16(0)
528#define MOD_CCK cpu_to_le16(1)
529#define MOD_MOK cpu_to_le16(2)
530} __packed;
531
532typedef struct ConfigRid ConfigRid;
533struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536#define MODE_STA_IBSS cpu_to_le16(0)
537#define MODE_STA_ESS cpu_to_le16(1)
538#define MODE_AP cpu_to_le16(2)
539#define MODE_AP_RPTR cpu_to_le16(3)
540#define MODE_CFG_MASK cpu_to_le16(0xff)
541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557#define RXMODE_MASK cpu_to_le16(255)
558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577#define SCANMODE_ACTIVE cpu_to_le16(0)
578#define SCANMODE_PASSIVE cpu_to_le16(1)
579#define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587#define AUTH_OPEN cpu_to_le16(0x1)
588#define AUTH_ENCRYPT cpu_to_le16(0x101)
589#define AUTH_SHAREDKEY cpu_to_le16(0x102)
590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602#define POWERSAVE_CAM cpu_to_le16(0)
603#define POWERSAVE_PSP cpu_to_le16(1)
604#define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622#define RADIOTYPE_DEFAULT cpu_to_le16(0)
623#define RADIOTYPE_802_11 cpu_to_le16(1)
624#define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628#define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630#define RSSI_DEFAULT 0
631 __le16 modulation;
632#define PREAMBLE_AUTO cpu_to_le16(0)
633#define PREAMBLE_LONG cpu_to_le16(1)
634#define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646#define MAGIC_ACTION_STSCHG 1
647#define MAGIC_ACTION_RESUME 2
648#define MAGIC_IGNORE_MCAST (1<<8)
649#define MAGIC_IGNORE_BCAST (1<<9)
650#define MAGIC_SWITCH_TO_PSP (0<<10)
651#define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654} __packed;
655
656typedef struct StatusRid StatusRid;
657struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692#define STAT_NOPACKETS 0
693#define STAT_NOCARRIERSET 10
694#define STAT_GOTCARRIERSET 11
695#define STAT_WRONGSSID 20
696#define STAT_BADCHANNEL 25
697#define STAT_BADBITRATES 30
698#define STAT_BADPRIVACY 35
699#define STAT_APFOUND 40
700#define STAT_APREJECTED 50
701#define STAT_AUTHENTICATING 60
702#define STAT_DEAUTHENTICATED 61
703#define STAT_AUTHTIMEOUT 62
704#define STAT_ASSOCIATING 70
705#define STAT_DEASSOCIATED 71
706#define STAT_ASSOCTIMEOUT 72
707#define STAT_NOTAIROAP 73
708#define STAT_ASSOCIATED 80
709#define STAT_LEAPING 90
710#define STAT_LEAPFAILED 91
711#define STAT_LEAPTIMEDOUT 92
712#define STAT_LEAPCOMPLETE 93
713} __packed;
714
715typedef struct StatsRid StatsRid;
716struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720} __packed;
721
722typedef struct APListRid APListRid;
723struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726} __packed;
727
728typedef struct CapabilityRid CapabilityRid;
729struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756} __packed;
757
758/* Only present on firmware >= 5.30.17 */
759typedef struct BSSListRidExtra BSSListRidExtra;
760struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764} __packed;
765
766typedef struct BSSListRid BSSListRid;
767struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770#define RADIO_FH 1 /* Frequency hopping radio type */
771#define RADIO_DS 2 /* Direct sequence radio type */
772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779#define CAP_ESS cpu_to_le16(1<<0)
780#define CAP_IBSS cpu_to_le16(1<<1)
781#define CAP_PRIVACY cpu_to_le16(1<<4)
782#define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798} __packed;
799
800typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803} BSSListElement;
804
805typedef struct tdsRssiEntry tdsRssiEntry;
806struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809} __packed;
810
811typedef struct tdsRssiRid tdsRssiRid;
812struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815} __packed;
816
817typedef struct MICRid MICRid;
818struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825} __packed;
826
827typedef struct MICBuffer MICBuffer;
828struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843} __packed;
844
845typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848} etherHead;
849
850#define TXCTL_TXOK (1<<1) /* report if tx is ok */
851#define TXCTL_TXEX (1<<2) /* report if tx fails */
852#define TXCTL_802_3 (0<<3) /* 802.3 packet */
853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855#define TXCTL_LLC (1<<4) /* payload is llc */
856#define TXCTL_RELEASE (0<<5) /* release after completion */
857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859#define BUSY_FID 0x10000
860
861#ifdef CISCO_EXT
862#define AIROMAGIC 0xa55a
863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864#ifdef SIOCIWFIRSTPRIV
865#ifdef SIOCDEVPRIVATE
866#define AIROOLDIOCTL SIOCDEVPRIVATE
867#define AIROOLDIDIFC AIROOLDIOCTL + 1
868#endif /* SIOCDEVPRIVATE */
869#else /* SIOCIWFIRSTPRIV */
870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871#endif /* SIOCIWFIRSTPRIV */
872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876#define AIROIOCTL SIOCIWFIRSTPRIV
877#define AIROIDIFC AIROIOCTL + 1
878
879/* Ioctl constants to be used in airo_ioctl.command */
880
881#define AIROGCAP 0 // Capability rid
882#define AIROGCFG 1 // USED A LOT
883#define AIROGSLIST 2 // System ID list
884#define AIROGVLIST 3 // List of specified AP's
885#define AIROGDRVNAM 4 // NOTUSED
886#define AIROGEHTENC 5 // NOTUSED
887#define AIROGWEPKTMP 6
888#define AIROGWEPKNV 7
889#define AIROGSTAT 8
890#define AIROGSTATSC32 9
891#define AIROGSTATSD32 10
892#define AIROGMICRID 11
893#define AIROGMICSTATS 12
894#define AIROGFLAGS 13
895#define AIROGID 14
896#define AIRORRID 15
897#define AIRORSWVERSION 17
898
899/* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901#define AIROPCAP AIROGSTATSD32 + 40
902#define AIROPVLIST AIROPCAP + 1
903#define AIROPSLIST AIROPVLIST + 1
904#define AIROPCFG AIROPSLIST + 1
905#define AIROPSIDS AIROPCFG + 1
906#define AIROPAPLIST AIROPSIDS + 1
907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909#define AIROPSTCLR AIROPMACOFF + 1
910#define AIROPWEPKEY AIROPSTCLR + 1
911#define AIROPWEPKEYNV AIROPWEPKEY + 1
912#define AIROPLEAPPWD AIROPWEPKEYNV + 1
913#define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915/* Flash codes */
916
917#define AIROFLSHRST AIROPWEPKEYNV + 40
918#define AIROFLSHGCHR AIROFLSHRST + 1
919#define AIROFLSHSTFL AIROFLSHGCHR + 1
920#define AIROFLSHPCHR AIROFLSHSTFL + 1
921#define AIROFLPUTBUF AIROFLSHPCHR + 1
922#define AIRORESTART AIROFLPUTBUF + 1
923
924#define FLASHSIZE 32768
925#define AUXMEMSIZE (256 * 1024)
926
927typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932} aironet_ioctl;
933
934static const char swversion[] = "2.1";
935#endif /* CISCO_EXT */
936
937#define NUM_MODULES 2
938#define MIC_MSGLEN_MAX 2400
939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940#define AIRO_DEF_MTU 2312
941
942typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951} mic_statistics;
952
953typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961} emmh32_context;
962
963typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970} miccntx;
971
972typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975} mic_module;
976
977typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982} Rid;
983
984typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990} TxFid;
991
992struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998} __packed;
999
1000typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006} RxFid;
1007
1008/*
1009 * Host receive descriptor
1010 */
1011typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018} HostRxDesc;
1019
1020/*
1021 * Host transmit descriptor
1022 */
1023typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030} HostTxDesc;
1031
1032/*
1033 * Host RID descriptor
1034 */
1035typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041} HostRidDesc;
1042
1043typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048#define HOST_SET (1 << 0)
1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055#define HOST_RTS (1 << 9) /* Force RTS use */
1056#define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061} TxCtlHdr;
1062
1063typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071} WifiHdr;
1072
1073
1074typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081} WifiCtlHdr;
1082
1083static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087};
1088
1089// A few details needed for WEP (Wireless Equivalent Privacy)
1090#define MAX_KEY_SIZE 13 // 128 (?) bits
1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095} wep_key_t;
1096
1097/* List of Wireless Handlers (new API) */
1098static const struct iw_handler_def airo_handler_def;
1099
1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102struct airo_info;
1103
1104static int get_dec_u16( char *buffer, int *start, int limit );
1105static void OUT4500( struct airo_info *, u16 register, u16 value );
1106static unsigned short IN4500( struct airo_info *, u16 register );
1107static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108static int enable_MAC(struct airo_info *ai, int lock);
1109static void disable_MAC(struct airo_info *ai, int lock);
1110static void enable_interrupts(struct airo_info*);
1111static void disable_interrupts(struct airo_info*);
1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130static int mpi_send_packet (struct net_device *dev);
1131static void mpi_unmap_card(struct pci_dev *pci);
1132static void mpi_receive_802_3(struct airo_info *ai);
1133static void mpi_receive_802_11(struct airo_info *ai);
1134static int waitbusy (struct airo_info *ai);
1135
1136static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137static int airo_thread(void *data);
1138static void timer_func( struct net_device *dev );
1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141static void airo_read_wireless_stats (struct airo_info *local);
1142#ifdef CISCO_EXT
1143static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146#endif /* CISCO_EXT */
1147static void micinit(struct airo_info *ai);
1148static int micsetup(struct airo_info *ai);
1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155static void airo_networks_free(struct airo_info *ai);
1156
1157struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162#define MAX_FIDS 6
1163#define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172#define FLAG_RADIO_MASK 0x03
1173#define FLAG_ENABLED 2
1174#define FLAG_ADHOC 3 /* Needed by MIC */
1175#define FLAG_MIC_CAPABLE 4
1176#define FLAG_UPDATE_MULTI 5
1177#define FLAG_UPDATE_UNI 6
1178#define FLAG_802_11 7
1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180#define FLAG_PENDING_XMIT 9
1181#define FLAG_PENDING_XMIT11 10
1182#define FLAG_MPI 11
1183#define FLAG_REGISTERED 12
1184#define FLAG_COMMIT 13
1185#define FLAG_RESET 14
1186#define FLAG_FLASHING 15
1187#define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189#define JOB_DIE 0
1190#define JOB_XMIT 1
1191#define JOB_XMIT11 2
1192#define JOB_STATS 3
1193#define JOB_PROMISC 4
1194#define JOB_MIC 5
1195#define JOB_EVENT 6
1196#define JOB_AUTOWEP 7
1197#define JOB_WSTATS 8
1198#define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid *APList;
1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1249};
1250
1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253{
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255}
1256
1257static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
1262static int cmdreset(struct airo_info *ai);
1263static int setflashmode (struct airo_info *ai);
1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265static int flashputbuf(struct airo_info *ai);
1266static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
1268#define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1270
1271#define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274#define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277#define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280#define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1284
1285/***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291static void MoveWindow(miccntx *context, u32 micSeq);
1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294static void emmh32_init(emmh32_context *context);
1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1298
1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301{
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320}
1321
1322/* micinit - Initialize mic seed */
1323
1324static void micinit(struct airo_info *ai)
1325{
1326 MICRid mic_rid;
1327
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1352 }
1353}
1354
1355/* micsetup - Get ready for business */
1356
1357static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1362
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1365 ai->tfm = NULL;
1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374}
1375
1376static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1377
1378/*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395{
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427}
1428
1429typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435} mic_error;
1436
1437/*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451{
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538}
1539
1540/*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555{
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600}
1601
1602static void MoveWindow(miccntx *context, u32 micSeq)
1603{
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618}
1619
1620/*==============================================*/
1621/*========== EMMH ROUTINES ====================*/
1622/*==============================================*/
1623
1624/* mic accumulate */
1625#define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628static unsigned char aes_counter[16];
1629
1630/* expand the key to fill the MMH coefficient array */
1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1633{
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654 j += 4;
1655 }
1656 }
1657}
1658
1659/* prepare for calculation of a new mic */
1660static void emmh32_init(emmh32_context *context)
1661{
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665}
1666
1667/* add some bytes to the mic calculation */
1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1669{
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704}
1705
1706/* mask used to zero empty bytes for final partial word */
1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709/* calculate the mic */
1710static void emmh32_final(emmh32_context *context, u8 digest[4])
1711{
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741}
1742
1743static int readBSSListRid(struct airo_info *ai, int first,
1744 BSSListRid *list)
1745{
1746 Cmd cmd;
1747 Resp rsp;
1748
1749 if (first == 1) {
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1761 }
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1764}
1765
1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767{
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1770}
1771
1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773{
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1778 if (perm) {
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782 }
1783 return rc;
1784}
1785
1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787{
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789}
1790
1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792{
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794}
1795
1796static int readConfigRid(struct airo_info *ai, int lock)
1797{
1798 int rc;
1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1808 ai->config = cfg;
1809 return SUCCESS;
1810}
1811
1812static inline void checkThrottle(struct airo_info *ai)
1813{
1814 int i;
1815/* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823}
1824
1825static int writeConfigRid(struct airo_info *ai, int lock)
1826{
1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843}
1844
1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846{
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848}
1849
1850static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851{
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853}
1854
1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856{
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858}
1859
1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861{
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863}
1864
1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866{
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868}
1869
1870static void try_auto_wep(struct airo_info *ai)
1871{
1872 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876}
1877
1878static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1880 int rc = 0;
1881
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet committed, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1892 }
1893
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1897 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
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1917 }
1918 enable_MAC(ai, 1);
1919
1920 netif_start_queue(dev);
1921 return 0;
1922}
1923
1924static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926{
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1930
1931 if (!skb) {
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1942 }
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
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 }
1957 return NETDEV_TX_OK;
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;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
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 immediately after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy(ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automatically puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
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));
2030 } else {
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
2048static void get_tx_error(struct airo_info *ai, s32 fid)
2049{
2050 __le16 status;
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 */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
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 */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
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;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
2107 clear_bit(JOB_XMIT, &priv->jobs);
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;
2118 dev->stats.tx_window_errors++;
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123}
2124
2125static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127{
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
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) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
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);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
2163 return NETDEV_TX_OK;
2164}
2165
2166static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
2174 clear_bit(JOB_XMIT11, &priv->jobs);
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;
2185 dev->stats.tx_window_errors++;
2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190}
2191
2192static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194{
2195 s16 len;
2196 int i, j;
2197 struct airo_info *priv = dev->ml_priv;
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);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2205 }
2206
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
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) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
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);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2238}
2239
2240static void airo_read_stats(struct net_device *dev)
2241{
2242 struct airo_info *ai = dev->ml_priv;
2243 StatsRid stats_rid;
2244 __le32 *vals = stats_rid.vals;
2245
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
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]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
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]);
2266
2267 /* detailed rx_errors: */
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]);
2272}
2273
2274static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275{
2276 struct airo_info *local = dev->ml_priv;
2277
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
2284 airo_read_stats(dev);
2285 }
2286
2287 return &dev->stats;
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;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
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) {
2303 struct airo_info *ai = dev->ml_priv;
2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317}
2318
2319static int airo_set_mac_address(struct net_device *dev, void *p)
2320{
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
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);
2329 enable_MAC(ai, 1);
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
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}
2359
2360static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
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 );
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2381 }
2382 return 0;
2383}
2384
2385void stop_airo_card( struct net_device *dev, int freeres )
2386{
2387 struct airo_info *ai = dev->ml_priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
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 }
2402 /*
2403 * Clean out tx queue
2404 */
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
2411 airo_networks_free (ai);
2412
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
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 }
2431 crypto_free_cipher(ai->tfm);
2432 del_airo_dev(ai);
2433 free_netdev( dev );
2434}
2435
2436EXPORT_SYMBOL(stop_airo_card);
2437
2438static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439{
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
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) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
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) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
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) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
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 issuing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
2539static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540{
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
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
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);
2556 goto out;
2557 }
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);
2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
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) {
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2588 busaddroff = ai->shared_dma;
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;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
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;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
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;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
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
2653static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655};
2656
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
2667static void wifi_setup(struct net_device *dev)
2668{
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
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;
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 eth_hw_addr_inherit(dev, ethdev);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703}
2704
2705static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
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
2720#define AIRO_MAX_NETWORK_COUNT 64
2721static int airo_networks_allocate(struct airo_info *ai)
2722{
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2727 GFP_KERNEL);
2728 if (!ai->networks) {
2729 airo_print_warn("", "Out of memory allocating beacons");
2730 return -ENOMEM;
2731 }
2732
2733 return 0;
2734}
2735
2736static void airo_networks_free(struct airo_info *ai)
2737{
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2740}
2741
2742static void airo_networks_initialize(struct airo_info *ai)
2743{
2744 int i;
2745
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2751}
2752
2753static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_rx_mode = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
2762 .ndo_validate_addr = eth_validate_addr,
2763};
2764
2765static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_rx_mode = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
2774 .ndo_validate_addr = eth_validate_addr,
2775};
2776
2777
2778static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
2781{
2782 struct net_device *dev;
2783 struct airo_info *ai;
2784 int i, rc;
2785 CapabilityRid cap_rid;
2786
2787 /* Create the network device object. */
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2789 if (!dev) {
2790 airo_print_err("", "Couldn't alloc_etherdev");
2791 return NULL;
2792 }
2793
2794 ai = dev->ml_priv = netdev_priv(dev);
2795 ai->wifidev = NULL;
2796 ai->flags = 1 << FLAG_RADIO_DOWN;
2797 ai->jobs = 0;
2798 ai->dev = dev;
2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2800 airo_print_dbg("", "Found an MPI350 card");
2801 set_bit(FLAG_MPI, &ai->flags);
2802 }
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2805 ai->config.len = 0;
2806 ai->pci = pci;
2807 init_waitqueue_head (&ai->thr_wait);
2808 ai->tfm = NULL;
2809 add_airo_dev(ai);
2810
2811 if (airo_networks_allocate (ai))
2812 goto err_out_free;
2813 airo_networks_initialize (ai);
2814
2815 skb_queue_head_init (&ai->txq);
2816
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2820 else
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2825 dev->irq = irq;
2826 dev->base_addr = port;
2827 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
2831 reset_card (dev, 1);
2832 msleep(400);
2833
2834 if (!is_pcmcia) {
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 rc = -EBUSY;
2837 airo_print_err(dev->name, "Couldn't request region");
2838 goto err_out_nets;
2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
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
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 }
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;
2878
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
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
2884 /* Test for WPA support */
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
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 {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2913 goto err_out_wifi;
2914
2915 return dev;
2916
2917err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920err_out_reg:
2921 unregister_netdev(dev);
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 );
2932err_out_nets:
2933 airo_networks_free(ai);
2934err_out_free:
2935 del_airo_dev(ai);
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;
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
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;
2961 struct airo_info *ai = dev->ml_priv;
2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2968 return -1;
2969 }
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
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) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
2988 clear_bit(JOB_EVENT, &ai->jobs);
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
3000static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3002 BSSListRid bss;
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 */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
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) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3040 }
3041
3042out:
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
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
3059static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3062 int locked;
3063
3064 set_freezable();
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3068
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3071
3072 if (ai->jobs) {
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);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3092 }
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
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);
3104 continue;
3105 }
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
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
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 up(&ai->sem);
3123 break;
3124 }
3125
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 up(&ai->sem);
3128 continue;
3129 }
3130
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3132 airo_end_xmit(dev);
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3142 micinit(ai);
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 timer_func(dev);
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
3151 }
3152
3153 return 0;
3154}
3155
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
3171static void airo_handle_cisco_mic(struct airo_info *ai)
3172{
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
3196 switch (status & 0xFF00) {
3197 case STAT_NOBEACON:
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 }
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;
3231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
3234 default:
3235 airo_print_dbg(devname, "unknow status %x\n", status);
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;
3244 u16 status;
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;
3425 u16 fid;
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;
3481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
3490
3491 handled = 1;
3492
3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
3496 }
3497
3498 if (!savedInterrupts) {
3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
3501 }
3502
3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
3506 }
3507
3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
3511 }
3512
3513 /* Check to see if there is something to receive */
3514 if (status & EV_RX)
3515 airo_handle_rx(ai);
3516
3517 /* Check to see if a packet has been transmitted */
3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
3520
3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
3523 status & ~STATUS_INTS & ~IGNORE_INTS );
3524 }
3525 }
3526
3527 if (savedInterrupts)
3528 OUT4500(ai, EVINTEN, savedInterrupts);
3529
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
3567static int enable_MAC(struct airo_info *ai, int lock)
3568{
3569 int rc;
3570 Cmd cmd;
3571 Resp rsp;
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;
3587 rc = issuecommand(ai, &cmd, &rsp);
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)
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 }
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;
3638 int off = 0;
3639 MICBuffer micbuf;
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) {
3650 ai->dev->stats.rx_dropped++;
3651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
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 }
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
3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
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
3702static void mpi_receive_802_11(struct airo_info *ai)
3703{
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
3706 u16 len, hdrlen = 0;
3707 __le16 fc;
3708 struct rx_hdr hdr;
3709 u16 gap;
3710 u16 *buffer;
3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
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);
3722 if (len > AIRO_DEF_MTU) {
3723 airo_print_err(ai->dev->name, "Bad size %d", len);
3724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
3731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
3734 ai->dev->stats.rx_dropped++;
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;
3742 gap = get_unaligned_le16(ptr);
3743 ptr += sizeof(__le16);
3744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
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;
3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
3767 | IW_QUAL_DBM;
3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771#endif /* IW_WIRELESS_SPY */
3772 skb_reset_mac_header(skb);
3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
3776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
3778
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;
3793 SsidRid mySsid;
3794 __le16 lastindex;
3795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
3799 kfree (ai->flash);
3800 ai->flash = NULL;
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);
3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
3821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 } else {
3827 ai->bap_read = aux_bap_read;
3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
3834 int i;
3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
3838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
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)
3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3853 }
3854 else {
3855 kfree(ai->rssi);
3856 ai->rssi = NULL;
3857 if (cap_rid.softCap & cpu_to_le16(8))
3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
3860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
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
3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3869 micsetup(ai) == SUCCESS) {
3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
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] ) {
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 set_bit (FLAG_COMMIT, &ai->flags);
3888 }
3889
3890 /* Setup the SSIDs if present */
3891 if ( ssids[0] ) {
3892 int i;
3893 for( i = 0; i < 3 && ssids[i]; i++ ) {
3894 size_t len = strlen(ssids[i]);
3895 if (len > 32)
3896 len = 32;
3897 mySsid.ssids[i].len = cpu_to_le16(len);
3898 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3899 }
3900 mySsid.len = cpu_to_le16(sizeof(mySsid));
3901 }
3902
3903 status = writeConfigRid(ai, lock);
3904 if ( status != SUCCESS ) return ERROR;
3905
3906 /* Set up the SSID list */
3907 if ( ssids[0] ) {
3908 status = writeSsidRid(ai, &mySsid, lock);
3909 if ( status != SUCCESS ) return ERROR;
3910 }
3911
3912 status = enable_MAC(ai, lock);
3913 if (status != SUCCESS)
3914 return ERROR;
3915
3916 /* Grab the initial wep key, we gotta save it for auto_wep */
3917 rc = readWepKeyRid(ai, &wkr, 1, lock);
3918 if (rc == SUCCESS) do {
3919 lastindex = wkr.kindex;
3920 if (wkr.kindex == cpu_to_le16(0xffff)) {
3921 ai->defindex = wkr.mac[0];
3922 }
3923 rc = readWepKeyRid(ai, &wkr, 0, lock);
3924 } while(lastindex != wkr.kindex);
3925
3926 try_auto_wep(ai);
3927
3928 return SUCCESS;
3929}
3930
3931static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3932 // Im really paranoid about letting it run forever!
3933 int max_tries = 600000;
3934
3935 if (IN4500(ai, EVSTAT) & EV_CMD)
3936 OUT4500(ai, EVACK, EV_CMD);
3937
3938 OUT4500(ai, PARAM0, pCmd->parm0);
3939 OUT4500(ai, PARAM1, pCmd->parm1);
3940 OUT4500(ai, PARAM2, pCmd->parm2);
3941 OUT4500(ai, COMMAND, pCmd->cmd);
3942
3943 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3944 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3945 // PC4500 didn't notice command, try again
3946 OUT4500(ai, COMMAND, pCmd->cmd);
3947 if (!in_atomic() && (max_tries & 255) == 0)
3948 schedule();
3949 }
3950
3951 if ( max_tries == -1 ) {
3952 airo_print_err(ai->dev->name,
3953 "Max tries exceeded when issuing command");
3954 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3956 return ERROR;
3957 }
3958
3959 // command completed
3960 pRsp->status = IN4500(ai, STATUS);
3961 pRsp->rsp0 = IN4500(ai, RESP0);
3962 pRsp->rsp1 = IN4500(ai, RESP1);
3963 pRsp->rsp2 = IN4500(ai, RESP2);
3964 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3965 airo_print_err(ai->dev->name,
3966 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3967 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3968 pRsp->rsp2);
3969
3970 // clear stuck command busy if necessary
3971 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3972 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3973 }
3974 // acknowledge processing the status/response
3975 OUT4500(ai, EVACK, EV_CMD);
3976
3977 return SUCCESS;
3978}
3979
3980/* Sets up the bap to start exchange data. whichbap should
3981 * be one of the BAP0 or BAP1 defines. Locks should be held before
3982 * calling! */
3983static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3984{
3985 int timeout = 50;
3986 int max_tries = 3;
3987
3988 OUT4500(ai, SELECT0+whichbap, rid);
3989 OUT4500(ai, OFFSET0+whichbap, offset);
3990 while (1) {
3991 int status = IN4500(ai, OFFSET0+whichbap);
3992 if (status & BAP_BUSY) {
3993 /* This isn't really a timeout, but its kinda
3994 close */
3995 if (timeout--) {
3996 continue;
3997 }
3998 } else if ( status & BAP_ERR ) {
3999 /* invalid rid or offset */
4000 airo_print_err(ai->dev->name, "BAP error %x %d",
4001 status, whichbap );
4002 return ERROR;
4003 } else if (status & BAP_DONE) { // success
4004 return SUCCESS;
4005 }
4006 if ( !(max_tries--) ) {
4007 airo_print_err(ai->dev->name,
4008 "BAP setup error too many retries\n");
4009 return ERROR;
4010 }
4011 // -- PC4500 missed it, try again
4012 OUT4500(ai, SELECT0+whichbap, rid);
4013 OUT4500(ai, OFFSET0+whichbap, offset);
4014 timeout = 50;
4015 }
4016}
4017
4018/* should only be called by aux_bap_read. This aux function and the
4019 following use concepts not documented in the developers guide. I
4020 got them from a patch given to my by Aironet */
4021static u16 aux_setup(struct airo_info *ai, u16 page,
4022 u16 offset, u16 *len)
4023{
4024 u16 next;
4025
4026 OUT4500(ai, AUXPAGE, page);
4027 OUT4500(ai, AUXOFF, 0);
4028 next = IN4500(ai, AUXDATA);
4029 *len = IN4500(ai, AUXDATA)&0xff;
4030 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4031 return next;
4032}
4033
4034/* requires call to bap_setup() first */
4035static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4036 int bytelen, int whichbap)
4037{
4038 u16 len;
4039 u16 page;
4040 u16 offset;
4041 u16 next;
4042 int words;
4043 int i;
4044 unsigned long flags;
4045
4046 spin_lock_irqsave(&ai->aux_lock, flags);
4047 page = IN4500(ai, SWS0+whichbap);
4048 offset = IN4500(ai, SWS2+whichbap);
4049 next = aux_setup(ai, page, offset, &len);
4050 words = (bytelen+1)>>1;
4051
4052 for (i=0; i<words;) {
4053 int count;
4054 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4055 if ( !do8bitIO )
4056 insw( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i,count );
4058 else
4059 insb( ai->dev->base_addr+DATA0+whichbap,
4060 pu16Dst+i, count << 1 );
4061 i += count;
4062 if (i<words) {
4063 next = aux_setup(ai, next, 4, &len);
4064 }
4065 }
4066 spin_unlock_irqrestore(&ai->aux_lock, flags);
4067 return SUCCESS;
4068}
4069
4070
4071/* requires call to bap_setup() first */
4072static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4073 int bytelen, int whichbap)
4074{
4075 bytelen = (bytelen + 1) & (~1); // round up to even value
4076 if ( !do8bitIO )
4077 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4078 else
4079 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4080 return SUCCESS;
4081}
4082
4083/* requires call to bap_setup() first */
4084static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4085 int bytelen, int whichbap)
4086{
4087 bytelen = (bytelen + 1) & (~1); // round up to even value
4088 if ( !do8bitIO )
4089 outsw( ai->dev->base_addr+DATA0+whichbap,
4090 pu16Src, bytelen>>1 );
4091 else
4092 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4093 return SUCCESS;
4094}
4095
4096static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4097{
4098 Cmd cmd; /* for issuing commands */
4099 Resp rsp; /* response from commands */
4100 u16 status;
4101
4102 memset(&cmd, 0, sizeof(cmd));
4103 cmd.cmd = accmd;
4104 cmd.parm0 = rid;
4105 status = issuecommand(ai, &cmd, &rsp);
4106 if (status != 0) return status;
4107 if ( (rsp.status & 0x7F00) != 0) {
4108 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4109 }
4110 return 0;
4111}
4112
4113/* Note, that we are using BAP1 which is also used by transmit, so
4114 * we must get a lock. */
4115static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4116{
4117 u16 status;
4118 int rc = SUCCESS;
4119
4120 if (lock) {
4121 if (down_interruptible(&ai->sem))
4122 return ERROR;
4123 }
4124 if (test_bit(FLAG_MPI,&ai->flags)) {
4125 Cmd cmd;
4126 Resp rsp;
4127
4128 memset(&cmd, 0, sizeof(cmd));
4129 memset(&rsp, 0, sizeof(rsp));
4130 ai->config_desc.rid_desc.valid = 1;
4131 ai->config_desc.rid_desc.len = RIDSIZE;
4132 ai->config_desc.rid_desc.rid = 0;
4133 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4134
4135 cmd.cmd = CMD_ACCESS;
4136 cmd.parm0 = rid;
4137
4138 memcpy_toio(ai->config_desc.card_ram_off,
4139 &ai->config_desc.rid_desc, sizeof(Rid));
4140
4141 rc = issuecommand(ai, &cmd, &rsp);
4142
4143 if (rsp.status & 0x7f00)
4144 rc = rsp.rsp0;
4145 if (!rc)
4146 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4147 goto done;
4148 } else {
4149 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4150 rc = status;
4151 goto done;
4152 }
4153 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4154 rc = ERROR;
4155 goto done;
4156 }
4157 // read the rid length field
4158 bap_read(ai, pBuf, 2, BAP1);
4159 // length for remaining part of rid
4160 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4161
4162 if ( len <= 2 ) {
4163 airo_print_err(ai->dev->name,
4164 "Rid %x has a length of %d which is too short",
4165 (int)rid, (int)len );
4166 rc = ERROR;
4167 goto done;
4168 }
4169 // read remainder of the rid
4170 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4171 }
4172done:
4173 if (lock)
4174 up(&ai->sem);
4175 return rc;
4176}
4177
4178/* Note, that we are using BAP1 which is also used by transmit, so
4179 * make sure this isn't called when a transmit is happening */
4180static int PC4500_writerid(struct airo_info *ai, u16 rid,
4181 const void *pBuf, int len, int lock)
4182{
4183 u16 status;
4184 int rc = SUCCESS;
4185
4186 *(__le16*)pBuf = cpu_to_le16((u16)len);
4187
4188 if (lock) {
4189 if (down_interruptible(&ai->sem))
4190 return ERROR;
4191 }
4192 if (test_bit(FLAG_MPI,&ai->flags)) {
4193 Cmd cmd;
4194 Resp rsp;
4195
4196 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4197 airo_print_err(ai->dev->name,
4198 "%s: MAC should be disabled (rid=%04x)",
4199 __func__, rid);
4200 memset(&cmd, 0, sizeof(cmd));
4201 memset(&rsp, 0, sizeof(rsp));
4202
4203 ai->config_desc.rid_desc.valid = 1;
4204 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4205 ai->config_desc.rid_desc.rid = 0;
4206
4207 cmd.cmd = CMD_WRITERID;
4208 cmd.parm0 = rid;
4209
4210 memcpy_toio(ai->config_desc.card_ram_off,
4211 &ai->config_desc.rid_desc, sizeof(Rid));
4212
4213 if (len < 4 || len > 2047) {
4214 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4215 rc = -1;
4216 } else {
4217 memcpy(ai->config_desc.virtual_host_addr,
4218 pBuf, len);
4219
4220 rc = issuecommand(ai, &cmd, &rsp);
4221 if ((rc & 0xff00) != 0) {
4222 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4223 __func__, rc);
4224 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4225 __func__, cmd.cmd);
4226 }
4227
4228 if ((rsp.status & 0x7f00))
4229 rc = rsp.rsp0;
4230 }
4231 } else {
4232 // --- first access so that we can write the rid data
4233 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4234 rc = status;
4235 goto done;
4236 }
4237 // --- now write the rid data
4238 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4239 rc = ERROR;
4240 goto done;
4241 }
4242 bap_write(ai, pBuf, len, BAP1);
4243 // ---now commit the rid data
4244 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4245 }
4246done:
4247 if (lock)
4248 up(&ai->sem);
4249 return rc;
4250}
4251
4252/* Allocates a FID to be used for transmitting packets. We only use
4253 one for now. */
4254static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4255{
4256 unsigned int loop = 3000;
4257 Cmd cmd;
4258 Resp rsp;
4259 u16 txFid;
4260 __le16 txControl;
4261
4262 cmd.cmd = CMD_ALLOCATETX;
4263 cmd.parm0 = lenPayload;
4264 if (down_interruptible(&ai->sem))
4265 return ERROR;
4266 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4267 txFid = ERROR;
4268 goto done;
4269 }
4270 if ( (rsp.status & 0xFF00) != 0) {
4271 txFid = ERROR;
4272 goto done;
4273 }
4274 /* wait for the allocate event/indication
4275 * It makes me kind of nervous that this can just sit here and spin,
4276 * but in practice it only loops like four times. */
4277 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4278 if (!loop) {
4279 txFid = ERROR;
4280 goto done;
4281 }
4282
4283 // get the allocated fid and acknowledge
4284 txFid = IN4500(ai, TXALLOCFID);
4285 OUT4500(ai, EVACK, EV_ALLOC);
4286
4287 /* The CARD is pretty cool since it converts the ethernet packet
4288 * into 802.11. Also note that we don't release the FID since we
4289 * will be using the same one over and over again. */
4290 /* We only have to setup the control once since we are not
4291 * releasing the fid. */
4292 if (raw)
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 else
4296 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4297 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4298 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4299 txFid = ERROR;
4300 else
4301 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4302
4303done:
4304 up(&ai->sem);
4305
4306 return txFid;
4307}
4308
4309/* In general BAP1 is dedicated to transmiting packets. However,
4310 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4311 Make sure the BAP1 spinlock is held when this is called. */
4312static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4313{
4314 __le16 payloadLen;
4315 Cmd cmd;
4316 Resp rsp;
4317 int miclen = 0;
4318 u16 txFid = len;
4319 MICBuffer pMic;
4320
4321 len >>= 16;
4322
4323 if (len <= ETH_ALEN * 2) {
4324 airo_print_warn(ai->dev->name, "Short packet %d", len);
4325 return ERROR;
4326 }
4327 len -= ETH_ALEN * 2;
4328
4329 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4330 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4331 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4332 return ERROR;
4333 miclen = sizeof(pMic);
4334 }
4335 // packet is destination[6], source[6], payload[len-12]
4336 // write the payload length and dst/src/payload
4337 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4338 /* The hardware addresses aren't counted as part of the payload, so
4339 * we have to subtract the 12 bytes for the addresses off */
4340 payloadLen = cpu_to_le16(len + miclen);
4341 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4342 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4343 if (miclen)
4344 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4345 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4346 // issue the transmit command
4347 memset( &cmd, 0, sizeof( cmd ) );
4348 cmd.cmd = CMD_TRANSMIT;
4349 cmd.parm0 = txFid;
4350 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4351 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4352 return SUCCESS;
4353}
4354
4355static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4356{
4357 __le16 fc, payloadLen;
4358 Cmd cmd;
4359 Resp rsp;
4360 int hdrlen;
4361 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4362 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4363 u16 txFid = len;
4364 len >>= 16;
4365
4366 fc = *(__le16*)pPacket;
4367 hdrlen = header_len(fc);
4368
4369 if (len < hdrlen) {
4370 airo_print_warn(ai->dev->name, "Short packet %d", len);
4371 return ERROR;
4372 }
4373
4374 /* packet is 802.11 header + payload
4375 * write the payload length and dst/src/payload */
4376 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4377 /* The 802.11 header aren't counted as part of the payload, so
4378 * we have to subtract the header bytes off */
4379 payloadLen = cpu_to_le16(len-hdrlen);
4380 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4381 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4382 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4383 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4384
4385 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4386 // issue the transmit command
4387 memset( &cmd, 0, sizeof( cmd ) );
4388 cmd.cmd = CMD_TRANSMIT;
4389 cmd.parm0 = txFid;
4390 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4391 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4392 return SUCCESS;
4393}
4394
4395/*
4396 * This is the proc_fs routines. It is a bit messier than I would
4397 * like! Feel free to clean it up!
4398 */
4399
4400static ssize_t proc_read( struct file *file,
4401 char __user *buffer,
4402 size_t len,
4403 loff_t *offset);
4404
4405static ssize_t proc_write( struct file *file,
4406 const char __user *buffer,
4407 size_t len,
4408 loff_t *offset );
4409static int proc_close( struct inode *inode, struct file *file );
4410
4411static int proc_stats_open( struct inode *inode, struct file *file );
4412static int proc_statsdelta_open( struct inode *inode, struct file *file );
4413static int proc_status_open( struct inode *inode, struct file *file );
4414static int proc_SSID_open( struct inode *inode, struct file *file );
4415static int proc_APList_open( struct inode *inode, struct file *file );
4416static int proc_BSSList_open( struct inode *inode, struct file *file );
4417static int proc_config_open( struct inode *inode, struct file *file );
4418static int proc_wepkey_open( struct inode *inode, struct file *file );
4419
4420static const struct file_operations proc_statsdelta_ops = {
4421 .owner = THIS_MODULE,
4422 .read = proc_read,
4423 .open = proc_statsdelta_open,
4424 .release = proc_close,
4425 .llseek = default_llseek,
4426};
4427
4428static const struct file_operations proc_stats_ops = {
4429 .owner = THIS_MODULE,
4430 .read = proc_read,
4431 .open = proc_stats_open,
4432 .release = proc_close,
4433 .llseek = default_llseek,
4434};
4435
4436static const struct file_operations proc_status_ops = {
4437 .owner = THIS_MODULE,
4438 .read = proc_read,
4439 .open = proc_status_open,
4440 .release = proc_close,
4441 .llseek = default_llseek,
4442};
4443
4444static const struct file_operations proc_SSID_ops = {
4445 .owner = THIS_MODULE,
4446 .read = proc_read,
4447 .write = proc_write,
4448 .open = proc_SSID_open,
4449 .release = proc_close,
4450 .llseek = default_llseek,
4451};
4452
4453static const struct file_operations proc_BSSList_ops = {
4454 .owner = THIS_MODULE,
4455 .read = proc_read,
4456 .write = proc_write,
4457 .open = proc_BSSList_open,
4458 .release = proc_close,
4459 .llseek = default_llseek,
4460};
4461
4462static const struct file_operations proc_APList_ops = {
4463 .owner = THIS_MODULE,
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_APList_open,
4467 .release = proc_close,
4468 .llseek = default_llseek,
4469};
4470
4471static const struct file_operations proc_config_ops = {
4472 .owner = THIS_MODULE,
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_config_open,
4476 .release = proc_close,
4477 .llseek = default_llseek,
4478};
4479
4480static const struct file_operations proc_wepkey_ops = {
4481 .owner = THIS_MODULE,
4482 .read = proc_read,
4483 .write = proc_write,
4484 .open = proc_wepkey_open,
4485 .release = proc_close,
4486 .llseek = default_llseek,
4487};
4488
4489static struct proc_dir_entry *airo_entry;
4490
4491struct proc_data {
4492 int release_buffer;
4493 int readlen;
4494 char *rbuffer;
4495 int writelen;
4496 int maxwritelen;
4497 char *wbuffer;
4498 void (*on_close) (struct inode *, struct file *);
4499};
4500
4501static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
4504
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4508 airo_entry);
4509 if (!apriv->proc_entry)
4510 return -ENOMEM;
4511 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4512
4513 /* Setup the StatsDelta */
4514 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4515 apriv->proc_entry, &proc_statsdelta_ops, dev);
4516 if (!entry)
4517 goto fail;
4518 proc_set_user(entry, proc_kuid, proc_kgid);
4519
4520 /* Setup the Stats */
4521 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4522 apriv->proc_entry, &proc_stats_ops, dev);
4523 if (!entry)
4524 goto fail;
4525 proc_set_user(entry, proc_kuid, proc_kgid);
4526
4527 /* Setup the Status */
4528 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4529 apriv->proc_entry, &proc_status_ops, dev);
4530 if (!entry)
4531 goto fail;
4532 proc_set_user(entry, proc_kuid, proc_kgid);
4533
4534 /* Setup the Config */
4535 entry = proc_create_data("Config", proc_perm,
4536 apriv->proc_entry, &proc_config_ops, dev);
4537 if (!entry)
4538 goto fail;
4539 proc_set_user(entry, proc_kuid, proc_kgid);
4540
4541 /* Setup the SSID */
4542 entry = proc_create_data("SSID", proc_perm,
4543 apriv->proc_entry, &proc_SSID_ops, dev);
4544 if (!entry)
4545 goto fail;
4546 proc_set_user(entry, proc_kuid, proc_kgid);
4547
4548 /* Setup the APList */
4549 entry = proc_create_data("APList", proc_perm,
4550 apriv->proc_entry, &proc_APList_ops, dev);
4551 if (!entry)
4552 goto fail;
4553 proc_set_user(entry, proc_kuid, proc_kgid);
4554
4555 /* Setup the BSSList */
4556 entry = proc_create_data("BSSList", proc_perm,
4557 apriv->proc_entry, &proc_BSSList_ops, dev);
4558 if (!entry)
4559 goto fail;
4560 proc_set_user(entry, proc_kuid, proc_kgid);
4561
4562 /* Setup the WepKey */
4563 entry = proc_create_data("WepKey", proc_perm,
4564 apriv->proc_entry, &proc_wepkey_ops, dev);
4565 if (!entry)
4566 goto fail;
4567 proc_set_user(entry, proc_kuid, proc_kgid);
4568 return 0;
4569
4570fail:
4571 remove_proc_subtree(apriv->proc_name, airo_entry);
4572 return -ENOMEM;
4573}
4574
4575static int takedown_proc_entry( struct net_device *dev,
4576 struct airo_info *apriv )
4577{
4578 remove_proc_subtree(apriv->proc_name, airo_entry);
4579 return 0;
4580}
4581
4582/*
4583 * What we want from the proc_fs is to be able to efficiently read
4584 * and write the configuration. To do this, we want to read the
4585 * configuration when the file is opened and write it when the file is
4586 * closed. So basically we allocate a read buffer at open and fill it
4587 * with data, and allocate a write buffer and read it at close.
4588 */
4589
4590/*
4591 * The read routine is generic, it relies on the preallocated rbuffer
4592 * to supply the data.
4593 */
4594static ssize_t proc_read( struct file *file,
4595 char __user *buffer,
4596 size_t len,
4597 loff_t *offset )
4598{
4599 struct proc_data *priv = file->private_data;
4600
4601 if (!priv->rbuffer)
4602 return -EINVAL;
4603
4604 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4605 priv->readlen);
4606}
4607
4608/*
4609 * The write routine is generic, it fills in a preallocated rbuffer
4610 * to supply the data.
4611 */
4612static ssize_t proc_write( struct file *file,
4613 const char __user *buffer,
4614 size_t len,
4615 loff_t *offset )
4616{
4617 ssize_t ret;
4618 struct proc_data *priv = file->private_data;
4619
4620 if (!priv->wbuffer)
4621 return -EINVAL;
4622
4623 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4624 buffer, len);
4625 if (ret > 0)
4626 priv->writelen = max_t(int, priv->writelen, *offset);
4627
4628 return ret;
4629}
4630
4631static int proc_status_open(struct inode *inode, struct file *file)
4632{
4633 struct proc_data *data;
4634 struct net_device *dev = PDE_DATA(inode);
4635 struct airo_info *apriv = dev->ml_priv;
4636 CapabilityRid cap_rid;
4637 StatusRid status_rid;
4638 u16 mode;
4639 int i;
4640
4641 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4642 return -ENOMEM;
4643 data = file->private_data;
4644 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4645 kfree (file->private_data);
4646 return -ENOMEM;
4647 }
4648
4649 readStatusRid(apriv, &status_rid, 1);
4650 readCapabilityRid(apriv, &cap_rid, 1);
4651
4652 mode = le16_to_cpu(status_rid.mode);
4653
4654 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4655 mode & 1 ? "CFG ": "",
4656 mode & 2 ? "ACT ": "",
4657 mode & 0x10 ? "SYN ": "",
4658 mode & 0x20 ? "LNK ": "",
4659 mode & 0x40 ? "LEAP ": "",
4660 mode & 0x80 ? "PRIV ": "",
4661 mode & 0x100 ? "KEY ": "",
4662 mode & 0x200 ? "WEP ": "",
4663 mode & 0x8000 ? "ERR ": "");
4664 sprintf( data->rbuffer+i, "Mode: %x\n"
4665 "Signal Strength: %d\n"
4666 "Signal Quality: %d\n"
4667 "SSID: %-.*s\n"
4668 "AP: %-.16s\n"
4669 "Freq: %d\n"
4670 "BitRate: %dmbs\n"
4671 "Driver Version: %s\n"
4672 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4673 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4674 "Software Version: %x\nSoftware Subversion: %x\n"
4675 "Boot block version: %x\n",
4676 le16_to_cpu(status_rid.mode),
4677 le16_to_cpu(status_rid.normalizedSignalStrength),
4678 le16_to_cpu(status_rid.signalQuality),
4679 le16_to_cpu(status_rid.SSIDlen),
4680 status_rid.SSID,
4681 status_rid.apName,
4682 le16_to_cpu(status_rid.channel),
4683 le16_to_cpu(status_rid.currentXmitRate) / 2,
4684 version,
4685 cap_rid.prodName,
4686 cap_rid.manName,
4687 cap_rid.prodVer,
4688 le16_to_cpu(cap_rid.radioType),
4689 le16_to_cpu(cap_rid.country),
4690 le16_to_cpu(cap_rid.hardVer),
4691 le16_to_cpu(cap_rid.softVer),
4692 le16_to_cpu(cap_rid.softSubVer),
4693 le16_to_cpu(cap_rid.bootBlockVer));
4694 data->readlen = strlen( data->rbuffer );
4695 return 0;
4696}
4697
4698static int proc_stats_rid_open(struct inode*, struct file*, u16);
4699static int proc_statsdelta_open( struct inode *inode,
4700 struct file *file ) {
4701 if (file->f_mode&FMODE_WRITE) {
4702 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4703 }
4704 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4705}
4706
4707static int proc_stats_open( struct inode *inode, struct file *file ) {
4708 return proc_stats_rid_open(inode, file, RID_STATS);
4709}
4710
4711static int proc_stats_rid_open( struct inode *inode,
4712 struct file *file,
4713 u16 rid )
4714{
4715 struct proc_data *data;
4716 struct net_device *dev = PDE_DATA(inode);
4717 struct airo_info *apriv = dev->ml_priv;
4718 StatsRid stats;
4719 int i, j;
4720 __le32 *vals = stats.vals;
4721 int len;
4722
4723 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4724 return -ENOMEM;
4725 data = file->private_data;
4726 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4727 kfree (file->private_data);
4728 return -ENOMEM;
4729 }
4730
4731 readStatsRid(apriv, &stats, rid, 1);
4732 len = le16_to_cpu(stats.len);
4733
4734 j = 0;
4735 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4736 if (!statsLabels[i]) continue;
4737 if (j+strlen(statsLabels[i])+16>4096) {
4738 airo_print_warn(apriv->dev->name,
4739 "Potentially disastrous buffer overflow averted!");
4740 break;
4741 }
4742 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4743 le32_to_cpu(vals[i]));
4744 }
4745 if (i*4 >= len) {
4746 airo_print_warn(apriv->dev->name, "Got a short rid");
4747 }
4748 data->readlen = j;
4749 return 0;
4750}
4751
4752static int get_dec_u16( char *buffer, int *start, int limit ) {
4753 u16 value;
4754 int valid = 0;
4755 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4756 buffer[*start] <= '9'; (*start)++) {
4757 valid = 1;
4758 value *= 10;
4759 value += buffer[*start] - '0';
4760 }
4761 if ( !valid ) return -1;
4762 return value;
4763}
4764
4765static int airo_config_commit(struct net_device *dev,
4766 struct iw_request_info *info, void *zwrq,
4767 char *extra);
4768
4769static inline int sniffing_mode(struct airo_info *ai)
4770{
4771 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4772 le16_to_cpu(RXMODE_RFMON);
4773}
4774
4775static void proc_config_on_close(struct inode *inode, struct file *file)
4776{
4777 struct proc_data *data = file->private_data;
4778 struct net_device *dev = PDE_DATA(inode);
4779 struct airo_info *ai = dev->ml_priv;
4780 char *line;
4781
4782 if ( !data->writelen ) return;
4783
4784 readConfigRid(ai, 1);
4785 set_bit (FLAG_COMMIT, &ai->flags);
4786
4787 line = data->wbuffer;
4788 while( line[0] ) {
4789/*** Mode processing */
4790 if ( !strncmp( line, "Mode: ", 6 ) ) {
4791 line += 6;
4792 if (sniffing_mode(ai))
4793 set_bit (FLAG_RESET, &ai->flags);
4794 ai->config.rmode &= ~RXMODE_FULL_MASK;
4795 clear_bit (FLAG_802_11, &ai->flags);
4796 ai->config.opmode &= ~MODE_CFG_MASK;
4797 ai->config.scanMode = SCANMODE_ACTIVE;
4798 if ( line[0] == 'a' ) {
4799 ai->config.opmode |= MODE_STA_IBSS;
4800 } else {
4801 ai->config.opmode |= MODE_STA_ESS;
4802 if ( line[0] == 'r' ) {
4803 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4804 ai->config.scanMode = SCANMODE_PASSIVE;
4805 set_bit (FLAG_802_11, &ai->flags);
4806 } else if ( line[0] == 'y' ) {
4807 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4808 ai->config.scanMode = SCANMODE_PASSIVE;
4809 set_bit (FLAG_802_11, &ai->flags);
4810 } else if ( line[0] == 'l' )
4811 ai->config.rmode |= RXMODE_LANMON;
4812 }
4813 set_bit (FLAG_COMMIT, &ai->flags);
4814 }
4815
4816/*** Radio status */
4817 else if (!strncmp(line,"Radio: ", 7)) {
4818 line += 7;
4819 if (!strncmp(line,"off",3)) {
4820 set_bit (FLAG_RADIO_OFF, &ai->flags);
4821 } else {
4822 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4823 }
4824 }
4825/*** NodeName processing */
4826 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4827 int j;
4828
4829 line += 10;
4830 memset( ai->config.nodeName, 0, 16 );
4831/* Do the name, assume a space between the mode and node name */
4832 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4833 ai->config.nodeName[j] = line[j];
4834 }
4835 set_bit (FLAG_COMMIT, &ai->flags);
4836 }
4837
4838/*** PowerMode processing */
4839 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4840 line += 11;
4841 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4842 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "PSP", 3 ) ) {
4845 ai->config.powerSaveMode = POWERSAVE_PSP;
4846 set_bit (FLAG_COMMIT, &ai->flags);
4847 } else {
4848 ai->config.powerSaveMode = POWERSAVE_CAM;
4849 set_bit (FLAG_COMMIT, &ai->flags);
4850 }
4851 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4852 int v, i = 0, k = 0; /* i is index into line,
4853 k is index to rates */
4854
4855 line += 11;
4856 while((v = get_dec_u16(line, &i, 3))!=-1) {
4857 ai->config.rates[k++] = (u8)v;
4858 line += i + 1;
4859 i = 0;
4860 }
4861 set_bit (FLAG_COMMIT, &ai->flags);
4862 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4863 int v, i = 0;
4864 line += 9;
4865 v = get_dec_u16(line, &i, i+3);
4866 if ( v != -1 ) {
4867 ai->config.channelSet = cpu_to_le16(v);
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 }
4870 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4871 int v, i = 0;
4872 line += 11;
4873 v = get_dec_u16(line, &i, i+3);
4874 if ( v != -1 ) {
4875 ai->config.txPower = cpu_to_le16(v);
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 }
4878 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4879 line += 5;
4880 switch( line[0] ) {
4881 case 's':
4882 ai->config.authType = AUTH_SHAREDKEY;
4883 break;
4884 case 'e':
4885 ai->config.authType = AUTH_ENCRYPT;
4886 break;
4887 default:
4888 ai->config.authType = AUTH_OPEN;
4889 break;
4890 }
4891 set_bit (FLAG_COMMIT, &ai->flags);
4892 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4893 int v, i = 0;
4894
4895 line += 16;
4896 v = get_dec_u16(line, &i, 3);
4897 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4898 ai->config.longRetryLimit = cpu_to_le16(v);
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4901 int v, i = 0;
4902
4903 line += 17;
4904 v = get_dec_u16(line, &i, 3);
4905 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4906 ai->config.shortRetryLimit = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4909 int v, i = 0;
4910
4911 line += 14;
4912 v = get_dec_u16(line, &i, 4);
4913 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4914 ai->config.rtsThres = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4917 int v, i = 0;
4918
4919 line += 16;
4920 v = get_dec_u16(line, &i, 5);
4921 v = (v<0) ? 0 : v;
4922 ai->config.txLifetime = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4925 int v, i = 0;
4926
4927 line += 16;
4928 v = get_dec_u16(line, &i, 5);
4929 v = (v<0) ? 0 : v;
4930 ai->config.rxLifetime = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4933 ai->config.txDiversity =
4934 (line[13]=='l') ? 1 :
4935 ((line[13]=='r')? 2: 3);
4936 set_bit (FLAG_COMMIT, &ai->flags);
4937 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4938 ai->config.rxDiversity =
4939 (line[13]=='l') ? 1 :
4940 ((line[13]=='r')? 2: 3);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4943 int v, i = 0;
4944
4945 line += 15;
4946 v = get_dec_u16(line, &i, 4);
4947 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4948 v = v & 0xfffe; /* Make sure its even */
4949 ai->config.fragThresh = cpu_to_le16(v);
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if (!strncmp(line, "Modulation: ", 12)) {
4952 line += 12;
4953 switch(*line) {
4954 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4955 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4956 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4957 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4958 }
4959 } else if (!strncmp(line, "Preamble: ", 10)) {
4960 line += 10;
4961 switch(*line) {
4962 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4966 }
4967 } else {
4968 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4969 }
4970 while( line[0] && line[0] != '\n' ) line++;
4971 if ( line[0] ) line++;
4972 }
4973 airo_config_commit(dev, NULL, NULL, NULL);
4974}
4975
4976static const char *get_rmode(__le16 mode)
4977{
4978 switch(mode & RXMODE_MASK) {
4979 case RXMODE_RFMON: return "rfmon";
4980 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4981 case RXMODE_LANMON: return "lanmon";
4982 }
4983 return "ESS";
4984}
4985
4986static int proc_config_open(struct inode *inode, struct file *file)
4987{
4988 struct proc_data *data;
4989 struct net_device *dev = PDE_DATA(inode);
4990 struct airo_info *ai = dev->ml_priv;
4991 int i;
4992 __le16 mode;
4993
4994 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4995 return -ENOMEM;
4996 data = file->private_data;
4997 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4998 kfree (file->private_data);
4999 return -ENOMEM;
5000 }
5001 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5002 kfree (data->rbuffer);
5003 kfree (file->private_data);
5004 return -ENOMEM;
5005 }
5006 data->maxwritelen = 2048;
5007 data->on_close = proc_config_on_close;
5008
5009 readConfigRid(ai, 1);
5010
5011 mode = ai->config.opmode & MODE_CFG_MASK;
5012 i = sprintf( data->rbuffer,
5013 "Mode: %s\n"
5014 "Radio: %s\n"
5015 "NodeName: %-16s\n"
5016 "PowerMode: %s\n"
5017 "DataRates: %d %d %d %d %d %d %d %d\n"
5018 "Channel: %d\n"
5019 "XmitPower: %d\n",
5020 mode == MODE_STA_IBSS ? "adhoc" :
5021 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5022 mode == MODE_AP ? "AP" :
5023 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5024 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5025 ai->config.nodeName,
5026 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5027 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5028 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5029 "Error",
5030 (int)ai->config.rates[0],
5031 (int)ai->config.rates[1],
5032 (int)ai->config.rates[2],
5033 (int)ai->config.rates[3],
5034 (int)ai->config.rates[4],
5035 (int)ai->config.rates[5],
5036 (int)ai->config.rates[6],
5037 (int)ai->config.rates[7],
5038 le16_to_cpu(ai->config.channelSet),
5039 le16_to_cpu(ai->config.txPower)
5040 );
5041 sprintf( data->rbuffer + i,
5042 "LongRetryLimit: %d\n"
5043 "ShortRetryLimit: %d\n"
5044 "RTSThreshold: %d\n"
5045 "TXMSDULifetime: %d\n"
5046 "RXMSDULifetime: %d\n"
5047 "TXDiversity: %s\n"
5048 "RXDiversity: %s\n"
5049 "FragThreshold: %d\n"
5050 "WEP: %s\n"
5051 "Modulation: %s\n"
5052 "Preamble: %s\n",
5053 le16_to_cpu(ai->config.longRetryLimit),
5054 le16_to_cpu(ai->config.shortRetryLimit),
5055 le16_to_cpu(ai->config.rtsThres),
5056 le16_to_cpu(ai->config.txLifetime),
5057 le16_to_cpu(ai->config.rxLifetime),
5058 ai->config.txDiversity == 1 ? "left" :
5059 ai->config.txDiversity == 2 ? "right" : "both",
5060 ai->config.rxDiversity == 1 ? "left" :
5061 ai->config.rxDiversity == 2 ? "right" : "both",
5062 le16_to_cpu(ai->config.fragThresh),
5063 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5064 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5065 ai->config.modulation == MOD_DEFAULT ? "default" :
5066 ai->config.modulation == MOD_CCK ? "cck" :
5067 ai->config.modulation == MOD_MOK ? "mok" : "error",
5068 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5069 ai->config.preamble == PREAMBLE_LONG ? "long" :
5070 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5071 );
5072 data->readlen = strlen( data->rbuffer );
5073 return 0;
5074}
5075
5076static void proc_SSID_on_close(struct inode *inode, struct file *file)
5077{
5078 struct proc_data *data = file->private_data;
5079 struct net_device *dev = PDE_DATA(inode);
5080 struct airo_info *ai = dev->ml_priv;
5081 SsidRid SSID_rid;
5082 int i;
5083 char *p = data->wbuffer;
5084 char *end = p + data->writelen;
5085
5086 if (!data->writelen)
5087 return;
5088
5089 *end = '\n'; /* sentinel; we have space for it */
5090
5091 memset(&SSID_rid, 0, sizeof(SSID_rid));
5092
5093 for (i = 0; i < 3 && p < end; i++) {
5094 int j = 0;
5095 /* copy up to 32 characters from this line */
5096 while (*p != '\n' && j < 32)
5097 SSID_rid.ssids[i].ssid[j++] = *p++;
5098 if (j == 0)
5099 break;
5100 SSID_rid.ssids[i].len = cpu_to_le16(j);
5101 /* skip to the beginning of the next line */
5102 while (*p++ != '\n')
5103 ;
5104 }
5105 if (i)
5106 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5107 disable_MAC(ai, 1);
5108 writeSsidRid(ai, &SSID_rid, 1);
5109 enable_MAC(ai, 1);
5110}
5111
5112static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5113 struct proc_data *data = file->private_data;
5114 struct net_device *dev = PDE_DATA(inode);
5115 struct airo_info *ai = dev->ml_priv;
5116 APListRid APList_rid;
5117 int i;
5118
5119 if ( !data->writelen ) return;
5120
5121 memset( &APList_rid, 0, sizeof(APList_rid) );
5122 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5123
5124 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5125 int j;
5126 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5127 switch(j%3) {
5128 case 0:
5129 APList_rid.ap[i][j/3]=
5130 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5131 break;
5132 case 1:
5133 APList_rid.ap[i][j/3]|=
5134 hex_to_bin(data->wbuffer[j+i*6*3]);
5135 break;
5136 }
5137 }
5138 }
5139 disable_MAC(ai, 1);
5140 writeAPListRid(ai, &APList_rid, 1);
5141 enable_MAC(ai, 1);
5142}
5143
5144/* This function wraps PC4500_writerid with a MAC disable */
5145static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5146 int len, int dummy ) {
5147 int rc;
5148
5149 disable_MAC(ai, 1);
5150 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5151 enable_MAC(ai, 1);
5152 return rc;
5153}
5154
5155/* Returns the WEP key at the specified index, or -1 if that key does
5156 * not exist. The buffer is assumed to be at least 16 bytes in length.
5157 */
5158static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5159{
5160 WepKeyRid wkr;
5161 int rc;
5162 __le16 lastindex;
5163
5164 rc = readWepKeyRid(ai, &wkr, 1, 1);
5165 if (rc != SUCCESS)
5166 return -1;
5167 do {
5168 lastindex = wkr.kindex;
5169 if (le16_to_cpu(wkr.kindex) == index) {
5170 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5171 memcpy(buf, wkr.key, klen);
5172 return klen;
5173 }
5174 rc = readWepKeyRid(ai, &wkr, 0, 1);
5175 if (rc != SUCCESS)
5176 return -1;
5177 } while (lastindex != wkr.kindex);
5178 return -1;
5179}
5180
5181static int get_wep_tx_idx(struct airo_info *ai)
5182{
5183 WepKeyRid wkr;
5184 int rc;
5185 __le16 lastindex;
5186
5187 rc = readWepKeyRid(ai, &wkr, 1, 1);
5188 if (rc != SUCCESS)
5189 return -1;
5190 do {
5191 lastindex = wkr.kindex;
5192 if (wkr.kindex == cpu_to_le16(0xffff))
5193 return wkr.mac[0];
5194 rc = readWepKeyRid(ai, &wkr, 0, 1);
5195 if (rc != SUCCESS)
5196 return -1;
5197 } while (lastindex != wkr.kindex);
5198 return -1;
5199}
5200
5201static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5202 u16 keylen, int perm, int lock)
5203{
5204 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5205 WepKeyRid wkr;
5206 int rc;
5207
5208 if (WARN_ON(keylen == 0))
5209 return -1;
5210
5211 memset(&wkr, 0, sizeof(wkr));
5212 wkr.len = cpu_to_le16(sizeof(wkr));
5213 wkr.kindex = cpu_to_le16(index);
5214 wkr.klen = cpu_to_le16(keylen);
5215 memcpy(wkr.key, key, keylen);
5216 memcpy(wkr.mac, macaddr, ETH_ALEN);
5217
5218 if (perm) disable_MAC(ai, lock);
5219 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5220 if (perm) enable_MAC(ai, lock);
5221 return rc;
5222}
5223
5224static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5225{
5226 WepKeyRid wkr;
5227 int rc;
5228
5229 memset(&wkr, 0, sizeof(wkr));
5230 wkr.len = cpu_to_le16(sizeof(wkr));
5231 wkr.kindex = cpu_to_le16(0xffff);
5232 wkr.mac[0] = (char)index;
5233
5234 if (perm) {
5235 ai->defindex = (char)index;
5236 disable_MAC(ai, lock);
5237 }
5238
5239 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5240
5241 if (perm)
5242 enable_MAC(ai, lock);
5243 return rc;
5244}
5245
5246static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5247 struct proc_data *data;
5248 struct net_device *dev = PDE_DATA(inode);
5249 struct airo_info *ai = dev->ml_priv;
5250 int i, rc;
5251 char key[16];
5252 u16 index = 0;
5253 int j = 0;
5254
5255 memset(key, 0, sizeof(key));
5256
5257 data = file->private_data;
5258 if ( !data->writelen ) return;
5259
5260 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5261 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5262 index = data->wbuffer[0] - '0';
5263 if (data->wbuffer[1] == '\n') {
5264 rc = set_wep_tx_idx(ai, index, 1, 1);
5265 if (rc < 0) {
5266 airo_print_err(ai->dev->name, "failed to set "
5267 "WEP transmit index to %d: %d.",
5268 index, rc);
5269 }
5270 return;
5271 }
5272 j = 2;
5273 } else {
5274 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5275 return;
5276 }
5277
5278 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5279 switch(i%3) {
5280 case 0:
5281 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5282 break;
5283 case 1:
5284 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5285 break;
5286 }
5287 }
5288
5289 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5290 if (rc < 0) {
5291 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5292 "%d: %d.", index, rc);
5293 }
5294}
5295
5296static int proc_wepkey_open( struct inode *inode, struct file *file )
5297{
5298 struct proc_data *data;
5299 struct net_device *dev = PDE_DATA(inode);
5300 struct airo_info *ai = dev->ml_priv;
5301 char *ptr;
5302 WepKeyRid wkr;
5303 __le16 lastindex;
5304 int j=0;
5305 int rc;
5306
5307 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5308 return -ENOMEM;
5309 memset(&wkr, 0, sizeof(wkr));
5310 data = file->private_data;
5311 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5312 kfree (file->private_data);
5313 return -ENOMEM;
5314 }
5315 data->writelen = 0;
5316 data->maxwritelen = 80;
5317 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5318 kfree (data->rbuffer);
5319 kfree (file->private_data);
5320 return -ENOMEM;
5321 }
5322 data->on_close = proc_wepkey_on_close;
5323
5324 ptr = data->rbuffer;
5325 strcpy(ptr, "No wep keys\n");
5326 rc = readWepKeyRid(ai, &wkr, 1, 1);
5327 if (rc == SUCCESS) do {
5328 lastindex = wkr.kindex;
5329 if (wkr.kindex == cpu_to_le16(0xffff)) {
5330 j += sprintf(ptr+j, "Tx key = %d\n",
5331 (int)wkr.mac[0]);
5332 } else {
5333 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5334 le16_to_cpu(wkr.kindex),
5335 le16_to_cpu(wkr.klen));
5336 }
5337 readWepKeyRid(ai, &wkr, 0, 1);
5338 } while((lastindex != wkr.kindex) && (j < 180-30));
5339
5340 data->readlen = strlen( data->rbuffer );
5341 return 0;
5342}
5343
5344static int proc_SSID_open(struct inode *inode, struct file *file)
5345{
5346 struct proc_data *data;
5347 struct net_device *dev = PDE_DATA(inode);
5348 struct airo_info *ai = dev->ml_priv;
5349 int i;
5350 char *ptr;
5351 SsidRid SSID_rid;
5352
5353 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5354 return -ENOMEM;
5355 data = file->private_data;
5356 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5357 kfree (file->private_data);
5358 return -ENOMEM;
5359 }
5360 data->writelen = 0;
5361 data->maxwritelen = 33*3;
5362 /* allocate maxwritelen + 1; we'll want a sentinel */
5363 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5364 kfree (data->rbuffer);
5365 kfree (file->private_data);
5366 return -ENOMEM;
5367 }
5368 data->on_close = proc_SSID_on_close;
5369
5370 readSsidRid(ai, &SSID_rid);
5371 ptr = data->rbuffer;
5372 for (i = 0; i < 3; i++) {
5373 int j;
5374 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5375 if (!len)
5376 break;
5377 if (len > 32)
5378 len = 32;
5379 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5380 *ptr++ = SSID_rid.ssids[i].ssid[j];
5381 *ptr++ = '\n';
5382 }
5383 *ptr = '\0';
5384 data->readlen = strlen( data->rbuffer );
5385 return 0;
5386}
5387
5388static int proc_APList_open( struct inode *inode, struct file *file ) {
5389 struct proc_data *data;
5390 struct net_device *dev = PDE_DATA(inode);
5391 struct airo_info *ai = dev->ml_priv;
5392 int i;
5393 char *ptr;
5394 APListRid APList_rid;
5395
5396 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5397 return -ENOMEM;
5398 data = file->private_data;
5399 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5400 kfree (file->private_data);
5401 return -ENOMEM;
5402 }
5403 data->writelen = 0;
5404 data->maxwritelen = 4*6*3;
5405 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5406 kfree (data->rbuffer);
5407 kfree (file->private_data);
5408 return -ENOMEM;
5409 }
5410 data->on_close = proc_APList_on_close;
5411
5412 readAPListRid(ai, &APList_rid);
5413 ptr = data->rbuffer;
5414 for( i = 0; i < 4; i++ ) {
5415// We end when we find a zero MAC
5416 if ( !*(int*)APList_rid.ap[i] &&
5417 !*(int*)&APList_rid.ap[i][2]) break;
5418 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5419 }
5420 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5421
5422 *ptr = '\0';
5423 data->readlen = strlen( data->rbuffer );
5424 return 0;
5425}
5426
5427static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5428 struct proc_data *data;
5429 struct net_device *dev = PDE_DATA(inode);
5430 struct airo_info *ai = dev->ml_priv;
5431 char *ptr;
5432 BSSListRid BSSList_rid;
5433 int rc;
5434 /* If doLoseSync is not 1, we won't do a Lose Sync */
5435 int doLoseSync = -1;
5436
5437 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5438 return -ENOMEM;
5439 data = file->private_data;
5440 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5441 kfree (file->private_data);
5442 return -ENOMEM;
5443 }
5444 data->writelen = 0;
5445 data->maxwritelen = 0;
5446 data->wbuffer = NULL;
5447 data->on_close = NULL;
5448
5449 if (file->f_mode & FMODE_WRITE) {
5450 if (!(file->f_mode & FMODE_READ)) {
5451 Cmd cmd;
5452 Resp rsp;
5453
5454 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5455 memset(&cmd, 0, sizeof(cmd));
5456 cmd.cmd=CMD_LISTBSS;
5457 if (down_interruptible(&ai->sem))
5458 return -ERESTARTSYS;
5459 issuecommand(ai, &cmd, &rsp);
5460 up(&ai->sem);
5461 data->readlen = 0;
5462 return 0;
5463 }
5464 doLoseSync = 1;
5465 }
5466 ptr = data->rbuffer;
5467 /* There is a race condition here if there are concurrent opens.
5468 Since it is a rare condition, we'll just live with it, otherwise
5469 we have to add a spin lock... */
5470 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5471 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5472 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5473 BSSList_rid.bssid,
5474 (int)BSSList_rid.ssidLen,
5475 BSSList_rid.ssid,
5476 le16_to_cpu(BSSList_rid.dBm));
5477 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5478 le16_to_cpu(BSSList_rid.dsChannel),
5479 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5480 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5481 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5482 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5483 rc = readBSSListRid(ai, 0, &BSSList_rid);
5484 }
5485 *ptr = '\0';
5486 data->readlen = strlen( data->rbuffer );
5487 return 0;
5488}
5489
5490static int proc_close( struct inode *inode, struct file *file )
5491{
5492 struct proc_data *data = file->private_data;
5493
5494 if (data->on_close != NULL)
5495 data->on_close(inode, file);
5496 kfree(data->rbuffer);
5497 kfree(data->wbuffer);
5498 kfree(data);
5499 return 0;
5500}
5501
5502/* Since the card doesn't automatically switch to the right WEP mode,
5503 we will make it do it. If the card isn't associated, every secs we
5504 will switch WEP modes to see if that will help. If the card is
5505 associated we will check every minute to see if anything has
5506 changed. */
5507static void timer_func( struct net_device *dev ) {
5508 struct airo_info *apriv = dev->ml_priv;
5509
5510/* We don't have a link so try changing the authtype */
5511 readConfigRid(apriv, 0);
5512 disable_MAC(apriv, 0);
5513 switch(apriv->config.authType) {
5514 case AUTH_ENCRYPT:
5515/* So drop to OPEN */
5516 apriv->config.authType = AUTH_OPEN;
5517 break;
5518 case AUTH_SHAREDKEY:
5519 if (apriv->keyindex < auto_wep) {
5520 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5521 apriv->config.authType = AUTH_SHAREDKEY;
5522 apriv->keyindex++;
5523 } else {
5524 /* Drop to ENCRYPT */
5525 apriv->keyindex = 0;
5526 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5527 apriv->config.authType = AUTH_ENCRYPT;
5528 }
5529 break;
5530 default: /* We'll escalate to SHAREDKEY */
5531 apriv->config.authType = AUTH_SHAREDKEY;
5532 }
5533 set_bit (FLAG_COMMIT, &apriv->flags);
5534 writeConfigRid(apriv, 0);
5535 enable_MAC(apriv, 0);
5536 up(&apriv->sem);
5537
5538/* Schedule check to see if the change worked */
5539 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5540 apriv->expires = RUN_AT(HZ*3);
5541}
5542
5543#ifdef CONFIG_PCI
5544static int airo_pci_probe(struct pci_dev *pdev,
5545 const struct pci_device_id *pent)
5546{
5547 struct net_device *dev;
5548
5549 if (pci_enable_device(pdev))
5550 return -ENODEV;
5551 pci_set_master(pdev);
5552
5553 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5554 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5555 else
5556 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5557 if (!dev) {
5558 pci_disable_device(pdev);
5559 return -ENODEV;
5560 }
5561
5562 pci_set_drvdata(pdev, dev);
5563 return 0;
5564}
5565
5566static void airo_pci_remove(struct pci_dev *pdev)
5567{
5568 struct net_device *dev = pci_get_drvdata(pdev);
5569
5570 airo_print_info(dev->name, "Unregistering...");
5571 stop_airo_card(dev, 1);
5572 pci_disable_device(pdev);
5573}
5574
5575static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5576{
5577 struct net_device *dev = pci_get_drvdata(pdev);
5578 struct airo_info *ai = dev->ml_priv;
5579 Cmd cmd;
5580 Resp rsp;
5581
5582 if (!ai->APList)
5583 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5584 if (!ai->APList)
5585 return -ENOMEM;
5586 if (!ai->SSID)
5587 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5588 if (!ai->SSID)
5589 return -ENOMEM;
5590 readAPListRid(ai, ai->APList);
5591 readSsidRid(ai, ai->SSID);
5592 memset(&cmd, 0, sizeof(cmd));
5593 /* the lock will be released at the end of the resume callback */
5594 if (down_interruptible(&ai->sem))
5595 return -EAGAIN;
5596 disable_MAC(ai, 0);
5597 netif_device_detach(dev);
5598 ai->power = state;
5599 cmd.cmd = HOSTSLEEP;
5600 issuecommand(ai, &cmd, &rsp);
5601
5602 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5603 pci_save_state(pdev);
5604 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5605 return 0;
5606}
5607
5608static int airo_pci_resume(struct pci_dev *pdev)
5609{
5610 struct net_device *dev = pci_get_drvdata(pdev);
5611 struct airo_info *ai = dev->ml_priv;
5612 pci_power_t prev_state = pdev->current_state;
5613
5614 pci_set_power_state(pdev, PCI_D0);
5615 pci_restore_state(pdev);
5616 pci_enable_wake(pdev, PCI_D0, 0);
5617
5618 if (prev_state != PCI_D1) {
5619 reset_card(dev, 0);
5620 mpi_init_descriptors(ai);
5621 setup_card(ai, dev->dev_addr, 0);
5622 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5623 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5624 } else {
5625 OUT4500(ai, EVACK, EV_AWAKEN);
5626 OUT4500(ai, EVACK, EV_AWAKEN);
5627 msleep(100);
5628 }
5629
5630 set_bit(FLAG_COMMIT, &ai->flags);
5631 disable_MAC(ai, 0);
5632 msleep(200);
5633 if (ai->SSID) {
5634 writeSsidRid(ai, ai->SSID, 0);
5635 kfree(ai->SSID);
5636 ai->SSID = NULL;
5637 }
5638 if (ai->APList) {
5639 writeAPListRid(ai, ai->APList, 0);
5640 kfree(ai->APList);
5641 ai->APList = NULL;
5642 }
5643 writeConfigRid(ai, 0);
5644 enable_MAC(ai, 0);
5645 ai->power = PMSG_ON;
5646 netif_device_attach(dev);
5647 netif_wake_queue(dev);
5648 enable_interrupts(ai);
5649 up(&ai->sem);
5650 return 0;
5651}
5652#endif
5653
5654static int __init airo_init_module( void )
5655{
5656 int i;
5657
5658 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5659 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5660 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5661 return -EINVAL;
5662
5663 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5664
5665 if (airo_entry)
5666 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5667
5668 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5669 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5670 "io=0x%x", irq[i], io[i] );
5671 if (init_airo_card( irq[i], io[i], 0, NULL ))
5672 /* do nothing */ ;
5673 }
5674
5675#ifdef CONFIG_PCI
5676 airo_print_info("", "Probing for PCI adapters");
5677 i = pci_register_driver(&airo_driver);
5678 airo_print_info("", "Finished probing for PCI adapters");
5679
5680 if (i) {
5681 remove_proc_entry("driver/aironet", NULL);
5682 return i;
5683 }
5684#endif
5685
5686 /* Always exit with success, as we are a library module
5687 * as well as a driver module
5688 */
5689 return 0;
5690}
5691
5692static void __exit airo_cleanup_module( void )
5693{
5694 struct airo_info *ai;
5695 while(!list_empty(&airo_devices)) {
5696 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5697 airo_print_info(ai->dev->name, "Unregistering...");
5698 stop_airo_card(ai->dev, 1);
5699 }
5700#ifdef CONFIG_PCI
5701 pci_unregister_driver(&airo_driver);
5702#endif
5703 remove_proc_entry("driver/aironet", NULL);
5704}
5705
5706/*
5707 * Initial Wireless Extension code for Aironet driver by :
5708 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5709 * Conversion to new driver API by :
5710 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5711 * Javier also did a good amount of work here, adding some new extensions
5712 * and fixing my code. Let's just say that without him this code just
5713 * would not work at all... - Jean II
5714 */
5715
5716static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5717{
5718 if (!rssi_rid)
5719 return 0;
5720
5721 return (0x100 - rssi_rid[rssi].rssidBm);
5722}
5723
5724static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5725{
5726 int i;
5727
5728 if (!rssi_rid)
5729 return 0;
5730
5731 for (i = 0; i < 256; i++)
5732 if (rssi_rid[i].rssidBm == dbm)
5733 return rssi_rid[i].rssipct;
5734
5735 return 0;
5736}
5737
5738
5739static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5740{
5741 int quality = 0;
5742 u16 sq;
5743
5744 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5745 return 0;
5746
5747 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5748 return 0;
5749
5750 sq = le16_to_cpu(status_rid->signalQuality);
5751 if (memcmp(cap_rid->prodName, "350", 3))
5752 if (sq > 0x20)
5753 quality = 0;
5754 else
5755 quality = 0x20 - sq;
5756 else
5757 if (sq > 0xb0)
5758 quality = 0;
5759 else if (sq < 0x10)
5760 quality = 0xa0;
5761 else
5762 quality = 0xb0 - sq;
5763 return quality;
5764}
5765
5766#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5767#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5768
5769/*------------------------------------------------------------------*/
5770/*
5771 * Wireless Handler : get protocol name
5772 */
5773static int airo_get_name(struct net_device *dev,
5774 struct iw_request_info *info,
5775 char *cwrq,
5776 char *extra)
5777{
5778 strcpy(cwrq, "IEEE 802.11-DS");
5779 return 0;
5780}
5781
5782/*------------------------------------------------------------------*/
5783/*
5784 * Wireless Handler : set frequency
5785 */
5786static int airo_set_freq(struct net_device *dev,
5787 struct iw_request_info *info,
5788 struct iw_freq *fwrq,
5789 char *extra)
5790{
5791 struct airo_info *local = dev->ml_priv;
5792 int rc = -EINPROGRESS; /* Call commit handler */
5793
5794 /* If setting by frequency, convert to a channel */
5795 if(fwrq->e == 1) {
5796 int f = fwrq->m / 100000;
5797
5798 /* Hack to fall through... */
5799 fwrq->e = 0;
5800 fwrq->m = ieee80211_frequency_to_channel(f);
5801 }
5802 /* Setting by channel number */
5803 if((fwrq->m > 1000) || (fwrq->e > 0))
5804 rc = -EOPNOTSUPP;
5805 else {
5806 int channel = fwrq->m;
5807 /* We should do a better check than that,
5808 * based on the card capability !!! */
5809 if((channel < 1) || (channel > 14)) {
5810 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5811 fwrq->m);
5812 rc = -EINVAL;
5813 } else {
5814 readConfigRid(local, 1);
5815 /* Yes ! We can set it !!! */
5816 local->config.channelSet = cpu_to_le16(channel);
5817 set_bit (FLAG_COMMIT, &local->flags);
5818 }
5819 }
5820 return rc;
5821}
5822
5823/*------------------------------------------------------------------*/
5824/*
5825 * Wireless Handler : get frequency
5826 */
5827static int airo_get_freq(struct net_device *dev,
5828 struct iw_request_info *info,
5829 struct iw_freq *fwrq,
5830 char *extra)
5831{
5832 struct airo_info *local = dev->ml_priv;
5833 StatusRid status_rid; /* Card status info */
5834 int ch;
5835
5836 readConfigRid(local, 1);
5837 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5838 status_rid.channel = local->config.channelSet;
5839 else
5840 readStatusRid(local, &status_rid, 1);
5841
5842 ch = le16_to_cpu(status_rid.channel);
5843 if((ch > 0) && (ch < 15)) {
5844 fwrq->m = 100000 *
5845 ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5846 fwrq->e = 1;
5847 } else {
5848 fwrq->m = ch;
5849 fwrq->e = 0;
5850 }
5851
5852 return 0;
5853}
5854
5855/*------------------------------------------------------------------*/
5856/*
5857 * Wireless Handler : set ESSID
5858 */
5859static int airo_set_essid(struct net_device *dev,
5860 struct iw_request_info *info,
5861 struct iw_point *dwrq,
5862 char *extra)
5863{
5864 struct airo_info *local = dev->ml_priv;
5865 SsidRid SSID_rid; /* SSIDs */
5866
5867 /* Reload the list of current SSID */
5868 readSsidRid(local, &SSID_rid);
5869
5870 /* Check if we asked for `any' */
5871 if (dwrq->flags == 0) {
5872 /* Just send an empty SSID list */
5873 memset(&SSID_rid, 0, sizeof(SSID_rid));
5874 } else {
5875 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5876
5877 /* Check the size of the string */
5878 if (dwrq->length > IW_ESSID_MAX_SIZE)
5879 return -E2BIG ;
5880
5881 /* Check if index is valid */
5882 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5883 return -EINVAL;
5884
5885 /* Set the SSID */
5886 memset(SSID_rid.ssids[index].ssid, 0,
5887 sizeof(SSID_rid.ssids[index].ssid));
5888 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5889 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5890 }
5891 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5892 /* Write it to the card */
5893 disable_MAC(local, 1);
5894 writeSsidRid(local, &SSID_rid, 1);
5895 enable_MAC(local, 1);
5896
5897 return 0;
5898}
5899
5900/*------------------------------------------------------------------*/
5901/*
5902 * Wireless Handler : get ESSID
5903 */
5904static int airo_get_essid(struct net_device *dev,
5905 struct iw_request_info *info,
5906 struct iw_point *dwrq,
5907 char *extra)
5908{
5909 struct airo_info *local = dev->ml_priv;
5910 StatusRid status_rid; /* Card status info */
5911
5912 readStatusRid(local, &status_rid, 1);
5913
5914 /* Note : if dwrq->flags != 0, we should
5915 * get the relevant SSID from the SSID list... */
5916
5917 /* Get the current SSID */
5918 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5919 /* If none, we may want to get the one that was set */
5920
5921 /* Push it out ! */
5922 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5923 dwrq->flags = 1; /* active */
5924
5925 return 0;
5926}
5927
5928/*------------------------------------------------------------------*/
5929/*
5930 * Wireless Handler : set AP address
5931 */
5932static int airo_set_wap(struct net_device *dev,
5933 struct iw_request_info *info,
5934 struct sockaddr *awrq,
5935 char *extra)
5936{
5937 struct airo_info *local = dev->ml_priv;
5938 Cmd cmd;
5939 Resp rsp;
5940 APListRid APList_rid;
5941
5942 if (awrq->sa_family != ARPHRD_ETHER)
5943 return -EINVAL;
5944 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5945 is_zero_ether_addr(awrq->sa_data)) {
5946 memset(&cmd, 0, sizeof(cmd));
5947 cmd.cmd=CMD_LOSE_SYNC;
5948 if (down_interruptible(&local->sem))
5949 return -ERESTARTSYS;
5950 issuecommand(local, &cmd, &rsp);
5951 up(&local->sem);
5952 } else {
5953 memset(&APList_rid, 0, sizeof(APList_rid));
5954 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5955 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5956 disable_MAC(local, 1);
5957 writeAPListRid(local, &APList_rid, 1);
5958 enable_MAC(local, 1);
5959 }
5960 return 0;
5961}
5962
5963/*------------------------------------------------------------------*/
5964/*
5965 * Wireless Handler : get AP address
5966 */
5967static int airo_get_wap(struct net_device *dev,
5968 struct iw_request_info *info,
5969 struct sockaddr *awrq,
5970 char *extra)
5971{
5972 struct airo_info *local = dev->ml_priv;
5973 StatusRid status_rid; /* Card status info */
5974
5975 readStatusRid(local, &status_rid, 1);
5976
5977 /* Tentative. This seems to work, wow, I'm lucky !!! */
5978 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5979 awrq->sa_family = ARPHRD_ETHER;
5980
5981 return 0;
5982}
5983
5984/*------------------------------------------------------------------*/
5985/*
5986 * Wireless Handler : set Nickname
5987 */
5988static int airo_set_nick(struct net_device *dev,
5989 struct iw_request_info *info,
5990 struct iw_point *dwrq,
5991 char *extra)
5992{
5993 struct airo_info *local = dev->ml_priv;
5994
5995 /* Check the size of the string */
5996 if(dwrq->length > 16) {
5997 return -E2BIG;
5998 }
5999 readConfigRid(local, 1);
6000 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6001 memcpy(local->config.nodeName, extra, dwrq->length);
6002 set_bit (FLAG_COMMIT, &local->flags);
6003
6004 return -EINPROGRESS; /* Call commit handler */
6005}
6006
6007/*------------------------------------------------------------------*/
6008/*
6009 * Wireless Handler : get Nickname
6010 */
6011static int airo_get_nick(struct net_device *dev,
6012 struct iw_request_info *info,
6013 struct iw_point *dwrq,
6014 char *extra)
6015{
6016 struct airo_info *local = dev->ml_priv;
6017
6018 readConfigRid(local, 1);
6019 strncpy(extra, local->config.nodeName, 16);
6020 extra[16] = '\0';
6021 dwrq->length = strlen(extra);
6022
6023 return 0;
6024}
6025
6026/*------------------------------------------------------------------*/
6027/*
6028 * Wireless Handler : set Bit-Rate
6029 */
6030static int airo_set_rate(struct net_device *dev,
6031 struct iw_request_info *info,
6032 struct iw_param *vwrq,
6033 char *extra)
6034{
6035 struct airo_info *local = dev->ml_priv;
6036 CapabilityRid cap_rid; /* Card capability info */
6037 u8 brate = 0;
6038 int i;
6039
6040 /* First : get a valid bit rate value */
6041 readCapabilityRid(local, &cap_rid, 1);
6042
6043 /* Which type of value ? */
6044 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6045 /* Setting by rate index */
6046 /* Find value in the magic rate table */
6047 brate = cap_rid.supportedRates[vwrq->value];
6048 } else {
6049 /* Setting by frequency value */
6050 u8 normvalue = (u8) (vwrq->value/500000);
6051
6052 /* Check if rate is valid */
6053 for(i = 0 ; i < 8 ; i++) {
6054 if(normvalue == cap_rid.supportedRates[i]) {
6055 brate = normvalue;
6056 break;
6057 }
6058 }
6059 }
6060 /* -1 designed the max rate (mostly auto mode) */
6061 if(vwrq->value == -1) {
6062 /* Get the highest available rate */
6063 for(i = 0 ; i < 8 ; i++) {
6064 if(cap_rid.supportedRates[i] == 0)
6065 break;
6066 }
6067 if(i != 0)
6068 brate = cap_rid.supportedRates[i - 1];
6069 }
6070 /* Check that it is valid */
6071 if(brate == 0) {
6072 return -EINVAL;
6073 }
6074
6075 readConfigRid(local, 1);
6076 /* Now, check if we want a fixed or auto value */
6077 if(vwrq->fixed == 0) {
6078 /* Fill all the rates up to this max rate */
6079 memset(local->config.rates, 0, 8);
6080 for(i = 0 ; i < 8 ; i++) {
6081 local->config.rates[i] = cap_rid.supportedRates[i];
6082 if(local->config.rates[i] == brate)
6083 break;
6084 }
6085 } else {
6086 /* Fixed mode */
6087 /* One rate, fixed */
6088 memset(local->config.rates, 0, 8);
6089 local->config.rates[0] = brate;
6090 }
6091 set_bit (FLAG_COMMIT, &local->flags);
6092
6093 return -EINPROGRESS; /* Call commit handler */
6094}
6095
6096/*------------------------------------------------------------------*/
6097/*
6098 * Wireless Handler : get Bit-Rate
6099 */
6100static int airo_get_rate(struct net_device *dev,
6101 struct iw_request_info *info,
6102 struct iw_param *vwrq,
6103 char *extra)
6104{
6105 struct airo_info *local = dev->ml_priv;
6106 StatusRid status_rid; /* Card status info */
6107
6108 readStatusRid(local, &status_rid, 1);
6109
6110 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6111 /* If more than one rate, set auto */
6112 readConfigRid(local, 1);
6113 vwrq->fixed = (local->config.rates[1] == 0);
6114
6115 return 0;
6116}
6117
6118/*------------------------------------------------------------------*/
6119/*
6120 * Wireless Handler : set RTS threshold
6121 */
6122static int airo_set_rts(struct net_device *dev,
6123 struct iw_request_info *info,
6124 struct iw_param *vwrq,
6125 char *extra)
6126{
6127 struct airo_info *local = dev->ml_priv;
6128 int rthr = vwrq->value;
6129
6130 if(vwrq->disabled)
6131 rthr = AIRO_DEF_MTU;
6132 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6133 return -EINVAL;
6134 }
6135 readConfigRid(local, 1);
6136 local->config.rtsThres = cpu_to_le16(rthr);
6137 set_bit (FLAG_COMMIT, &local->flags);
6138
6139 return -EINPROGRESS; /* Call commit handler */
6140}
6141
6142/*------------------------------------------------------------------*/
6143/*
6144 * Wireless Handler : get RTS threshold
6145 */
6146static int airo_get_rts(struct net_device *dev,
6147 struct iw_request_info *info,
6148 struct iw_param *vwrq,
6149 char *extra)
6150{
6151 struct airo_info *local = dev->ml_priv;
6152
6153 readConfigRid(local, 1);
6154 vwrq->value = le16_to_cpu(local->config.rtsThres);
6155 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6156 vwrq->fixed = 1;
6157
6158 return 0;
6159}
6160
6161/*------------------------------------------------------------------*/
6162/*
6163 * Wireless Handler : set Fragmentation threshold
6164 */
6165static int airo_set_frag(struct net_device *dev,
6166 struct iw_request_info *info,
6167 struct iw_param *vwrq,
6168 char *extra)
6169{
6170 struct airo_info *local = dev->ml_priv;
6171 int fthr = vwrq->value;
6172
6173 if(vwrq->disabled)
6174 fthr = AIRO_DEF_MTU;
6175 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6176 return -EINVAL;
6177 }
6178 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6179 readConfigRid(local, 1);
6180 local->config.fragThresh = cpu_to_le16(fthr);
6181 set_bit (FLAG_COMMIT, &local->flags);
6182
6183 return -EINPROGRESS; /* Call commit handler */
6184}
6185
6186/*------------------------------------------------------------------*/
6187/*
6188 * Wireless Handler : get Fragmentation threshold
6189 */
6190static int airo_get_frag(struct net_device *dev,
6191 struct iw_request_info *info,
6192 struct iw_param *vwrq,
6193 char *extra)
6194{
6195 struct airo_info *local = dev->ml_priv;
6196
6197 readConfigRid(local, 1);
6198 vwrq->value = le16_to_cpu(local->config.fragThresh);
6199 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6200 vwrq->fixed = 1;
6201
6202 return 0;
6203}
6204
6205/*------------------------------------------------------------------*/
6206/*
6207 * Wireless Handler : set Mode of Operation
6208 */
6209static int airo_set_mode(struct net_device *dev,
6210 struct iw_request_info *info,
6211 __u32 *uwrq,
6212 char *extra)
6213{
6214 struct airo_info *local = dev->ml_priv;
6215 int reset = 0;
6216
6217 readConfigRid(local, 1);
6218 if (sniffing_mode(local))
6219 reset = 1;
6220
6221 switch(*uwrq) {
6222 case IW_MODE_ADHOC:
6223 local->config.opmode &= ~MODE_CFG_MASK;
6224 local->config.opmode |= MODE_STA_IBSS;
6225 local->config.rmode &= ~RXMODE_FULL_MASK;
6226 local->config.scanMode = SCANMODE_ACTIVE;
6227 clear_bit (FLAG_802_11, &local->flags);
6228 break;
6229 case IW_MODE_INFRA:
6230 local->config.opmode &= ~MODE_CFG_MASK;
6231 local->config.opmode |= MODE_STA_ESS;
6232 local->config.rmode &= ~RXMODE_FULL_MASK;
6233 local->config.scanMode = SCANMODE_ACTIVE;
6234 clear_bit (FLAG_802_11, &local->flags);
6235 break;
6236 case IW_MODE_MASTER:
6237 local->config.opmode &= ~MODE_CFG_MASK;
6238 local->config.opmode |= MODE_AP;
6239 local->config.rmode &= ~RXMODE_FULL_MASK;
6240 local->config.scanMode = SCANMODE_ACTIVE;
6241 clear_bit (FLAG_802_11, &local->flags);
6242 break;
6243 case IW_MODE_REPEAT:
6244 local->config.opmode &= ~MODE_CFG_MASK;
6245 local->config.opmode |= MODE_AP_RPTR;
6246 local->config.rmode &= ~RXMODE_FULL_MASK;
6247 local->config.scanMode = SCANMODE_ACTIVE;
6248 clear_bit (FLAG_802_11, &local->flags);
6249 break;
6250 case IW_MODE_MONITOR:
6251 local->config.opmode &= ~MODE_CFG_MASK;
6252 local->config.opmode |= MODE_STA_ESS;
6253 local->config.rmode &= ~RXMODE_FULL_MASK;
6254 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6255 local->config.scanMode = SCANMODE_PASSIVE;
6256 set_bit (FLAG_802_11, &local->flags);
6257 break;
6258 default:
6259 return -EINVAL;
6260 }
6261 if (reset)
6262 set_bit (FLAG_RESET, &local->flags);
6263 set_bit (FLAG_COMMIT, &local->flags);
6264
6265 return -EINPROGRESS; /* Call commit handler */
6266}
6267
6268/*------------------------------------------------------------------*/
6269/*
6270 * Wireless Handler : get Mode of Operation
6271 */
6272static int airo_get_mode(struct net_device *dev,
6273 struct iw_request_info *info,
6274 __u32 *uwrq,
6275 char *extra)
6276{
6277 struct airo_info *local = dev->ml_priv;
6278
6279 readConfigRid(local, 1);
6280 /* If not managed, assume it's ad-hoc */
6281 switch (local->config.opmode & MODE_CFG_MASK) {
6282 case MODE_STA_ESS:
6283 *uwrq = IW_MODE_INFRA;
6284 break;
6285 case MODE_AP:
6286 *uwrq = IW_MODE_MASTER;
6287 break;
6288 case MODE_AP_RPTR:
6289 *uwrq = IW_MODE_REPEAT;
6290 break;
6291 default:
6292 *uwrq = IW_MODE_ADHOC;
6293 }
6294
6295 return 0;
6296}
6297
6298static inline int valid_index(struct airo_info *ai, int index)
6299{
6300 return (index >= 0) && (index <= ai->max_wep_idx);
6301}
6302
6303/*------------------------------------------------------------------*/
6304/*
6305 * Wireless Handler : set Encryption Key
6306 */
6307static int airo_set_encode(struct net_device *dev,
6308 struct iw_request_info *info,
6309 struct iw_point *dwrq,
6310 char *extra)
6311{
6312 struct airo_info *local = dev->ml_priv;
6313 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6314 __le16 currentAuthType = local->config.authType;
6315 int rc = 0;
6316
6317 if (!local->wep_capable)
6318 return -EOPNOTSUPP;
6319
6320 readConfigRid(local, 1);
6321
6322 /* Basic checking: do we have a key to set ?
6323 * Note : with the new API, it's impossible to get a NULL pointer.
6324 * Therefore, we need to check a key size == 0 instead.
6325 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6326 * when no key is present (only change flags), but older versions
6327 * don't do it. - Jean II */
6328 if (dwrq->length > 0) {
6329 wep_key_t key;
6330 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6331 int current_index;
6332
6333 /* Check the size of the key */
6334 if (dwrq->length > MAX_KEY_SIZE) {
6335 return -EINVAL;
6336 }
6337
6338 current_index = get_wep_tx_idx(local);
6339 if (current_index < 0)
6340 current_index = 0;
6341
6342 /* Check the index (none -> use current) */
6343 if (!valid_index(local, index))
6344 index = current_index;
6345
6346 /* Set the length */
6347 if (dwrq->length > MIN_KEY_SIZE)
6348 key.len = MAX_KEY_SIZE;
6349 else
6350 key.len = MIN_KEY_SIZE;
6351 /* Check if the key is not marked as invalid */
6352 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6353 /* Cleanup */
6354 memset(key.key, 0, MAX_KEY_SIZE);
6355 /* Copy the key in the driver */
6356 memcpy(key.key, extra, dwrq->length);
6357 /* Send the key to the card */
6358 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6359 if (rc < 0) {
6360 airo_print_err(local->dev->name, "failed to set"
6361 " WEP key at index %d: %d.",
6362 index, rc);
6363 return rc;
6364 }
6365 }
6366 /* WE specify that if a valid key is set, encryption
6367 * should be enabled (user may turn it off later)
6368 * This is also how "iwconfig ethX key on" works */
6369 if((index == current_index) && (key.len > 0) &&
6370 (local->config.authType == AUTH_OPEN)) {
6371 local->config.authType = AUTH_ENCRYPT;
6372 }
6373 } else {
6374 /* Do we want to just set the transmit key index ? */
6375 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6376 if (valid_index(local, index)) {
6377 rc = set_wep_tx_idx(local, index, perm, 1);
6378 if (rc < 0) {
6379 airo_print_err(local->dev->name, "failed to set"
6380 " WEP transmit index to %d: %d.",
6381 index, rc);
6382 return rc;
6383 }
6384 } else {
6385 /* Don't complain if only change the mode */
6386 if (!(dwrq->flags & IW_ENCODE_MODE))
6387 return -EINVAL;
6388 }
6389 }
6390 /* Read the flags */
6391 if(dwrq->flags & IW_ENCODE_DISABLED)
6392 local->config.authType = AUTH_OPEN; // disable encryption
6393 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6394 local->config.authType = AUTH_SHAREDKEY; // Only Both
6395 if(dwrq->flags & IW_ENCODE_OPEN)
6396 local->config.authType = AUTH_ENCRYPT; // Only Wep
6397 /* Commit the changes to flags if needed */
6398 if (local->config.authType != currentAuthType)
6399 set_bit (FLAG_COMMIT, &local->flags);
6400 return -EINPROGRESS; /* Call commit handler */
6401}
6402
6403/*------------------------------------------------------------------*/
6404/*
6405 * Wireless Handler : get Encryption Key
6406 */
6407static int airo_get_encode(struct net_device *dev,
6408 struct iw_request_info *info,
6409 struct iw_point *dwrq,
6410 char *extra)
6411{
6412 struct airo_info *local = dev->ml_priv;
6413 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6414 int wep_key_len;
6415 u8 buf[16];
6416
6417 if (!local->wep_capable)
6418 return -EOPNOTSUPP;
6419
6420 readConfigRid(local, 1);
6421
6422 /* Check encryption mode */
6423 switch(local->config.authType) {
6424 case AUTH_ENCRYPT:
6425 dwrq->flags = IW_ENCODE_OPEN;
6426 break;
6427 case AUTH_SHAREDKEY:
6428 dwrq->flags = IW_ENCODE_RESTRICTED;
6429 break;
6430 default:
6431 case AUTH_OPEN:
6432 dwrq->flags = IW_ENCODE_DISABLED;
6433 break;
6434 }
6435 /* We can't return the key, so set the proper flag and return zero */
6436 dwrq->flags |= IW_ENCODE_NOKEY;
6437 memset(extra, 0, 16);
6438
6439 /* Which key do we want ? -1 -> tx index */
6440 if (!valid_index(local, index)) {
6441 index = get_wep_tx_idx(local);
6442 if (index < 0)
6443 index = 0;
6444 }
6445 dwrq->flags |= index + 1;
6446
6447 /* Copy the key to the user buffer */
6448 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6449 if (wep_key_len < 0) {
6450 dwrq->length = 0;
6451 } else {
6452 dwrq->length = wep_key_len;
6453 memcpy(extra, buf, dwrq->length);
6454 }
6455
6456 return 0;
6457}
6458
6459/*------------------------------------------------------------------*/
6460/*
6461 * Wireless Handler : set extended Encryption parameters
6462 */
6463static int airo_set_encodeext(struct net_device *dev,
6464 struct iw_request_info *info,
6465 union iwreq_data *wrqu,
6466 char *extra)
6467{
6468 struct airo_info *local = dev->ml_priv;
6469 struct iw_point *encoding = &wrqu->encoding;
6470 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6471 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6472 __le16 currentAuthType = local->config.authType;
6473 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6474 wep_key_t key;
6475
6476 if (!local->wep_capable)
6477 return -EOPNOTSUPP;
6478
6479 readConfigRid(local, 1);
6480
6481 /* Determine and validate the key index */
6482 idx = encoding->flags & IW_ENCODE_INDEX;
6483 if (idx) {
6484 if (!valid_index(local, idx - 1))
6485 return -EINVAL;
6486 idx--;
6487 } else {
6488 idx = get_wep_tx_idx(local);
6489 if (idx < 0)
6490 idx = 0;
6491 }
6492
6493 if (encoding->flags & IW_ENCODE_DISABLED)
6494 alg = IW_ENCODE_ALG_NONE;
6495
6496 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6497 /* Only set transmit key index here, actual
6498 * key is set below if needed.
6499 */
6500 rc = set_wep_tx_idx(local, idx, perm, 1);
6501 if (rc < 0) {
6502 airo_print_err(local->dev->name, "failed to set "
6503 "WEP transmit index to %d: %d.",
6504 idx, rc);
6505 return rc;
6506 }
6507 set_key = ext->key_len > 0 ? 1 : 0;
6508 }
6509
6510 if (set_key) {
6511 /* Set the requested key first */
6512 memset(key.key, 0, MAX_KEY_SIZE);
6513 switch (alg) {
6514 case IW_ENCODE_ALG_NONE:
6515 key.len = 0;
6516 break;
6517 case IW_ENCODE_ALG_WEP:
6518 if (ext->key_len > MIN_KEY_SIZE) {
6519 key.len = MAX_KEY_SIZE;
6520 } else if (ext->key_len > 0) {
6521 key.len = MIN_KEY_SIZE;
6522 } else {
6523 return -EINVAL;
6524 }
6525 key_len = min (ext->key_len, key.len);
6526 memcpy(key.key, ext->key, key_len);
6527 break;
6528 default:
6529 return -EINVAL;
6530 }
6531 if (key.len == 0) {
6532 rc = set_wep_tx_idx(local, idx, perm, 1);
6533 if (rc < 0) {
6534 airo_print_err(local->dev->name,
6535 "failed to set WEP transmit index to %d: %d.",
6536 idx, rc);
6537 return rc;
6538 }
6539 } else {
6540 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6541 if (rc < 0) {
6542 airo_print_err(local->dev->name,
6543 "failed to set WEP key at index %d: %d.",
6544 idx, rc);
6545 return rc;
6546 }
6547 }
6548 }
6549
6550 /* Read the flags */
6551 if(encoding->flags & IW_ENCODE_DISABLED)
6552 local->config.authType = AUTH_OPEN; // disable encryption
6553 if(encoding->flags & IW_ENCODE_RESTRICTED)
6554 local->config.authType = AUTH_SHAREDKEY; // Only Both
6555 if(encoding->flags & IW_ENCODE_OPEN)
6556 local->config.authType = AUTH_ENCRYPT; // Only Wep
6557 /* Commit the changes to flags if needed */
6558 if (local->config.authType != currentAuthType)
6559 set_bit (FLAG_COMMIT, &local->flags);
6560
6561 return -EINPROGRESS;
6562}
6563
6564
6565/*------------------------------------------------------------------*/
6566/*
6567 * Wireless Handler : get extended Encryption parameters
6568 */
6569static int airo_get_encodeext(struct net_device *dev,
6570 struct iw_request_info *info,
6571 union iwreq_data *wrqu,
6572 char *extra)
6573{
6574 struct airo_info *local = dev->ml_priv;
6575 struct iw_point *encoding = &wrqu->encoding;
6576 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6577 int idx, max_key_len, wep_key_len;
6578 u8 buf[16];
6579
6580 if (!local->wep_capable)
6581 return -EOPNOTSUPP;
6582
6583 readConfigRid(local, 1);
6584
6585 max_key_len = encoding->length - sizeof(*ext);
6586 if (max_key_len < 0)
6587 return -EINVAL;
6588
6589 idx = encoding->flags & IW_ENCODE_INDEX;
6590 if (idx) {
6591 if (!valid_index(local, idx - 1))
6592 return -EINVAL;
6593 idx--;
6594 } else {
6595 idx = get_wep_tx_idx(local);
6596 if (idx < 0)
6597 idx = 0;
6598 }
6599
6600 encoding->flags = idx + 1;
6601 memset(ext, 0, sizeof(*ext));
6602
6603 /* Check encryption mode */
6604 switch(local->config.authType) {
6605 case AUTH_ENCRYPT:
6606 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6607 break;
6608 case AUTH_SHAREDKEY:
6609 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6610 break;
6611 default:
6612 case AUTH_OPEN:
6613 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6614 break;
6615 }
6616 /* We can't return the key, so set the proper flag and return zero */
6617 encoding->flags |= IW_ENCODE_NOKEY;
6618 memset(extra, 0, 16);
6619
6620 /* Copy the key to the user buffer */
6621 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6622 if (wep_key_len < 0) {
6623 ext->key_len = 0;
6624 } else {
6625 ext->key_len = wep_key_len;
6626 memcpy(extra, buf, ext->key_len);
6627 }
6628
6629 return 0;
6630}
6631
6632
6633/*------------------------------------------------------------------*/
6634/*
6635 * Wireless Handler : set extended authentication parameters
6636 */
6637static int airo_set_auth(struct net_device *dev,
6638 struct iw_request_info *info,
6639 union iwreq_data *wrqu, char *extra)
6640{
6641 struct airo_info *local = dev->ml_priv;
6642 struct iw_param *param = &wrqu->param;
6643 __le16 currentAuthType = local->config.authType;
6644
6645 switch (param->flags & IW_AUTH_INDEX) {
6646 case IW_AUTH_WPA_VERSION:
6647 case IW_AUTH_CIPHER_PAIRWISE:
6648 case IW_AUTH_CIPHER_GROUP:
6649 case IW_AUTH_KEY_MGMT:
6650 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6651 case IW_AUTH_PRIVACY_INVOKED:
6652 /*
6653 * airo does not use these parameters
6654 */
6655 break;
6656
6657 case IW_AUTH_DROP_UNENCRYPTED:
6658 if (param->value) {
6659 /* Only change auth type if unencrypted */
6660 if (currentAuthType == AUTH_OPEN)
6661 local->config.authType = AUTH_ENCRYPT;
6662 } else {
6663 local->config.authType = AUTH_OPEN;
6664 }
6665
6666 /* Commit the changes to flags if needed */
6667 if (local->config.authType != currentAuthType)
6668 set_bit (FLAG_COMMIT, &local->flags);
6669 break;
6670
6671 case IW_AUTH_80211_AUTH_ALG: {
6672 /* FIXME: What about AUTH_OPEN? This API seems to
6673 * disallow setting our auth to AUTH_OPEN.
6674 */
6675 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6676 local->config.authType = AUTH_SHAREDKEY;
6677 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6678 local->config.authType = AUTH_ENCRYPT;
6679 } else
6680 return -EINVAL;
6681
6682 /* Commit the changes to flags if needed */
6683 if (local->config.authType != currentAuthType)
6684 set_bit (FLAG_COMMIT, &local->flags);
6685 break;
6686 }
6687
6688 case IW_AUTH_WPA_ENABLED:
6689 /* Silently accept disable of WPA */
6690 if (param->value > 0)
6691 return -EOPNOTSUPP;
6692 break;
6693
6694 default:
6695 return -EOPNOTSUPP;
6696 }
6697 return -EINPROGRESS;
6698}
6699
6700
6701/*------------------------------------------------------------------*/
6702/*
6703 * Wireless Handler : get extended authentication parameters
6704 */
6705static int airo_get_auth(struct net_device *dev,
6706 struct iw_request_info *info,
6707 union iwreq_data *wrqu, char *extra)
6708{
6709 struct airo_info *local = dev->ml_priv;
6710 struct iw_param *param = &wrqu->param;
6711 __le16 currentAuthType = local->config.authType;
6712
6713 switch (param->flags & IW_AUTH_INDEX) {
6714 case IW_AUTH_DROP_UNENCRYPTED:
6715 switch (currentAuthType) {
6716 case AUTH_SHAREDKEY:
6717 case AUTH_ENCRYPT:
6718 param->value = 1;
6719 break;
6720 default:
6721 param->value = 0;
6722 break;
6723 }
6724 break;
6725
6726 case IW_AUTH_80211_AUTH_ALG:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6729 param->value = IW_AUTH_ALG_SHARED_KEY;
6730 break;
6731 case AUTH_ENCRYPT:
6732 default:
6733 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6734 break;
6735 }
6736 break;
6737
6738 case IW_AUTH_WPA_ENABLED:
6739 param->value = 0;
6740 break;
6741
6742 default:
6743 return -EOPNOTSUPP;
6744 }
6745 return 0;
6746}
6747
6748
6749/*------------------------------------------------------------------*/
6750/*
6751 * Wireless Handler : set Tx-Power
6752 */
6753static int airo_set_txpow(struct net_device *dev,
6754 struct iw_request_info *info,
6755 struct iw_param *vwrq,
6756 char *extra)
6757{
6758 struct airo_info *local = dev->ml_priv;
6759 CapabilityRid cap_rid; /* Card capability info */
6760 int i;
6761 int rc = -EINVAL;
6762 __le16 v = cpu_to_le16(vwrq->value);
6763
6764 readCapabilityRid(local, &cap_rid, 1);
6765
6766 if (vwrq->disabled) {
6767 set_bit (FLAG_RADIO_OFF, &local->flags);
6768 set_bit (FLAG_COMMIT, &local->flags);
6769 return -EINPROGRESS; /* Call commit handler */
6770 }
6771 if (vwrq->flags != IW_TXPOW_MWATT) {
6772 return -EINVAL;
6773 }
6774 clear_bit (FLAG_RADIO_OFF, &local->flags);
6775 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6776 if (v == cap_rid.txPowerLevels[i]) {
6777 readConfigRid(local, 1);
6778 local->config.txPower = v;
6779 set_bit (FLAG_COMMIT, &local->flags);
6780 rc = -EINPROGRESS; /* Call commit handler */
6781 break;
6782 }
6783 return rc;
6784}
6785
6786/*------------------------------------------------------------------*/
6787/*
6788 * Wireless Handler : get Tx-Power
6789 */
6790static int airo_get_txpow(struct net_device *dev,
6791 struct iw_request_info *info,
6792 struct iw_param *vwrq,
6793 char *extra)
6794{
6795 struct airo_info *local = dev->ml_priv;
6796
6797 readConfigRid(local, 1);
6798 vwrq->value = le16_to_cpu(local->config.txPower);
6799 vwrq->fixed = 1; /* No power control */
6800 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6801 vwrq->flags = IW_TXPOW_MWATT;
6802
6803 return 0;
6804}
6805
6806/*------------------------------------------------------------------*/
6807/*
6808 * Wireless Handler : set Retry limits
6809 */
6810static int airo_set_retry(struct net_device *dev,
6811 struct iw_request_info *info,
6812 struct iw_param *vwrq,
6813 char *extra)
6814{
6815 struct airo_info *local = dev->ml_priv;
6816 int rc = -EINVAL;
6817
6818 if(vwrq->disabled) {
6819 return -EINVAL;
6820 }
6821 readConfigRid(local, 1);
6822 if(vwrq->flags & IW_RETRY_LIMIT) {
6823 __le16 v = cpu_to_le16(vwrq->value);
6824 if(vwrq->flags & IW_RETRY_LONG)
6825 local->config.longRetryLimit = v;
6826 else if (vwrq->flags & IW_RETRY_SHORT)
6827 local->config.shortRetryLimit = v;
6828 else {
6829 /* No modifier : set both */
6830 local->config.longRetryLimit = v;
6831 local->config.shortRetryLimit = v;
6832 }
6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6835 }
6836 if(vwrq->flags & IW_RETRY_LIFETIME) {
6837 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6840 }
6841 return rc;
6842}
6843
6844/*------------------------------------------------------------------*/
6845/*
6846 * Wireless Handler : get Retry limits
6847 */
6848static int airo_get_retry(struct net_device *dev,
6849 struct iw_request_info *info,
6850 struct iw_param *vwrq,
6851 char *extra)
6852{
6853 struct airo_info *local = dev->ml_priv;
6854
6855 vwrq->disabled = 0; /* Can't be disabled */
6856
6857 readConfigRid(local, 1);
6858 /* Note : by default, display the min retry number */
6859 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6860 vwrq->flags = IW_RETRY_LIFETIME;
6861 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6862 } else if((vwrq->flags & IW_RETRY_LONG)) {
6863 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6864 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6865 } else {
6866 vwrq->flags = IW_RETRY_LIMIT;
6867 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6868 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6869 vwrq->flags |= IW_RETRY_SHORT;
6870 }
6871
6872 return 0;
6873}
6874
6875/*------------------------------------------------------------------*/
6876/*
6877 * Wireless Handler : get range info
6878 */
6879static int airo_get_range(struct net_device *dev,
6880 struct iw_request_info *info,
6881 struct iw_point *dwrq,
6882 char *extra)
6883{
6884 struct airo_info *local = dev->ml_priv;
6885 struct iw_range *range = (struct iw_range *) extra;
6886 CapabilityRid cap_rid; /* Card capability info */
6887 int i;
6888 int k;
6889
6890 readCapabilityRid(local, &cap_rid, 1);
6891
6892 dwrq->length = sizeof(struct iw_range);
6893 memset(range, 0, sizeof(*range));
6894 range->min_nwid = 0x0000;
6895 range->max_nwid = 0x0000;
6896 range->num_channels = 14;
6897 /* Should be based on cap_rid.country to give only
6898 * what the current card support */
6899 k = 0;
6900 for(i = 0; i < 14; i++) {
6901 range->freq[k].i = i + 1; /* List index */
6902 range->freq[k].m = 100000 *
6903 ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6904 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6905 }
6906 range->num_frequency = k;
6907
6908 range->sensitivity = 65535;
6909
6910 /* Hum... Should put the right values there */
6911 if (local->rssi)
6912 range->max_qual.qual = 100; /* % */
6913 else
6914 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6915 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6916 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6917
6918 /* Experimental measurements - boundary 11/5.5 Mb/s */
6919 /* Note : with or without the (local->rssi), results
6920 * are somewhat different. - Jean II */
6921 if (local->rssi) {
6922 range->avg_qual.qual = 50; /* % */
6923 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6924 } else {
6925 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6926 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6927 }
6928 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6929
6930 for(i = 0 ; i < 8 ; i++) {
6931 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6932 if(range->bitrate[i] == 0)
6933 break;
6934 }
6935 range->num_bitrates = i;
6936
6937 /* Set an indication of the max TCP throughput
6938 * in bit/s that we can expect using this interface.
6939 * May be use for QoS stuff... Jean II */
6940 if(i > 2)
6941 range->throughput = 5000 * 1000;
6942 else
6943 range->throughput = 1500 * 1000;
6944
6945 range->min_rts = 0;
6946 range->max_rts = AIRO_DEF_MTU;
6947 range->min_frag = 256;
6948 range->max_frag = AIRO_DEF_MTU;
6949
6950 if(cap_rid.softCap & cpu_to_le16(2)) {
6951 // WEP: RC4 40 bits
6952 range->encoding_size[0] = 5;
6953 // RC4 ~128 bits
6954 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6955 range->encoding_size[1] = 13;
6956 range->num_encoding_sizes = 2;
6957 } else
6958 range->num_encoding_sizes = 1;
6959 range->max_encoding_tokens =
6960 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6961 } else {
6962 range->num_encoding_sizes = 0;
6963 range->max_encoding_tokens = 0;
6964 }
6965 range->min_pmp = 0;
6966 range->max_pmp = 5000000; /* 5 secs */
6967 range->min_pmt = 0;
6968 range->max_pmt = 65535 * 1024; /* ??? */
6969 range->pmp_flags = IW_POWER_PERIOD;
6970 range->pmt_flags = IW_POWER_TIMEOUT;
6971 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6972
6973 /* Transmit Power - values are in mW */
6974 for(i = 0 ; i < 8 ; i++) {
6975 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6976 if(range->txpower[i] == 0)
6977 break;
6978 }
6979 range->num_txpower = i;
6980 range->txpower_capa = IW_TXPOW_MWATT;
6981 range->we_version_source = 19;
6982 range->we_version_compiled = WIRELESS_EXT;
6983 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6984 range->retry_flags = IW_RETRY_LIMIT;
6985 range->r_time_flags = IW_RETRY_LIFETIME;
6986 range->min_retry = 1;
6987 range->max_retry = 65535;
6988 range->min_r_time = 1024;
6989 range->max_r_time = 65535 * 1024;
6990
6991 /* Event capability (kernel + driver) */
6992 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6993 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6994 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6995 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6996 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6997 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6998 return 0;
6999}
7000
7001/*------------------------------------------------------------------*/
7002/*
7003 * Wireless Handler : set Power Management
7004 */
7005static int airo_set_power(struct net_device *dev,
7006 struct iw_request_info *info,
7007 struct iw_param *vwrq,
7008 char *extra)
7009{
7010 struct airo_info *local = dev->ml_priv;
7011
7012 readConfigRid(local, 1);
7013 if (vwrq->disabled) {
7014 if (sniffing_mode(local))
7015 return -EINVAL;
7016 local->config.powerSaveMode = POWERSAVE_CAM;
7017 local->config.rmode &= ~RXMODE_MASK;
7018 local->config.rmode |= RXMODE_BC_MC_ADDR;
7019 set_bit (FLAG_COMMIT, &local->flags);
7020 return -EINPROGRESS; /* Call commit handler */
7021 }
7022 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7023 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7024 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7027 local->config.fastListenInterval =
7028 local->config.listenInterval =
7029 cpu_to_le16((vwrq->value + 500) / 1024);
7030 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 }
7033 switch (vwrq->flags & IW_POWER_MODE) {
7034 case IW_POWER_UNICAST_R:
7035 if (sniffing_mode(local))
7036 return -EINVAL;
7037 local->config.rmode &= ~RXMODE_MASK;
7038 local->config.rmode |= RXMODE_ADDR;
7039 set_bit (FLAG_COMMIT, &local->flags);
7040 break;
7041 case IW_POWER_ALL_R:
7042 if (sniffing_mode(local))
7043 return -EINVAL;
7044 local->config.rmode &= ~RXMODE_MASK;
7045 local->config.rmode |= RXMODE_BC_MC_ADDR;
7046 set_bit (FLAG_COMMIT, &local->flags);
7047 case IW_POWER_ON:
7048 /* This is broken, fixme ;-) */
7049 break;
7050 default:
7051 return -EINVAL;
7052 }
7053 // Note : we may want to factor local->need_commit here
7054 // Note2 : may also want to factor RXMODE_RFMON test
7055 return -EINPROGRESS; /* Call commit handler */
7056}
7057
7058/*------------------------------------------------------------------*/
7059/*
7060 * Wireless Handler : get Power Management
7061 */
7062static int airo_get_power(struct net_device *dev,
7063 struct iw_request_info *info,
7064 struct iw_param *vwrq,
7065 char *extra)
7066{
7067 struct airo_info *local = dev->ml_priv;
7068 __le16 mode;
7069
7070 readConfigRid(local, 1);
7071 mode = local->config.powerSaveMode;
7072 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7073 return 0;
7074 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7075 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7076 vwrq->flags = IW_POWER_TIMEOUT;
7077 } else {
7078 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7079 vwrq->flags = IW_POWER_PERIOD;
7080 }
7081 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7082 vwrq->flags |= IW_POWER_UNICAST_R;
7083 else
7084 vwrq->flags |= IW_POWER_ALL_R;
7085
7086 return 0;
7087}
7088
7089/*------------------------------------------------------------------*/
7090/*
7091 * Wireless Handler : set Sensitivity
7092 */
7093static int airo_set_sens(struct net_device *dev,
7094 struct iw_request_info *info,
7095 struct iw_param *vwrq,
7096 char *extra)
7097{
7098 struct airo_info *local = dev->ml_priv;
7099
7100 readConfigRid(local, 1);
7101 local->config.rssiThreshold =
7102 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7103 set_bit (FLAG_COMMIT, &local->flags);
7104
7105 return -EINPROGRESS; /* Call commit handler */
7106}
7107
7108/*------------------------------------------------------------------*/
7109/*
7110 * Wireless Handler : get Sensitivity
7111 */
7112static int airo_get_sens(struct net_device *dev,
7113 struct iw_request_info *info,
7114 struct iw_param *vwrq,
7115 char *extra)
7116{
7117 struct airo_info *local = dev->ml_priv;
7118
7119 readConfigRid(local, 1);
7120 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7121 vwrq->disabled = (vwrq->value == 0);
7122 vwrq->fixed = 1;
7123
7124 return 0;
7125}
7126
7127/*------------------------------------------------------------------*/
7128/*
7129 * Wireless Handler : get AP List
7130 * Note : this is deprecated in favor of IWSCAN
7131 */
7132static int airo_get_aplist(struct net_device *dev,
7133 struct iw_request_info *info,
7134 struct iw_point *dwrq,
7135 char *extra)
7136{
7137 struct airo_info *local = dev->ml_priv;
7138 struct sockaddr *address = (struct sockaddr *) extra;
7139 struct iw_quality *qual;
7140 BSSListRid BSSList;
7141 int i;
7142 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7143
7144 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7145 if (!qual)
7146 return -ENOMEM;
7147
7148 for (i = 0; i < IW_MAX_AP; i++) {
7149 u16 dBm;
7150 if (readBSSListRid(local, loseSync, &BSSList))
7151 break;
7152 loseSync = 0;
7153 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7154 address[i].sa_family = ARPHRD_ETHER;
7155 dBm = le16_to_cpu(BSSList.dBm);
7156 if (local->rssi) {
7157 qual[i].level = 0x100 - dBm;
7158 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7159 qual[i].updated = IW_QUAL_QUAL_UPDATED
7160 | IW_QUAL_LEVEL_UPDATED
7161 | IW_QUAL_DBM;
7162 } else {
7163 qual[i].level = (dBm + 321) / 2;
7164 qual[i].qual = 0;
7165 qual[i].updated = IW_QUAL_QUAL_INVALID
7166 | IW_QUAL_LEVEL_UPDATED
7167 | IW_QUAL_DBM;
7168 }
7169 qual[i].noise = local->wstats.qual.noise;
7170 if (BSSList.index == cpu_to_le16(0xffff))
7171 break;
7172 }
7173 if (!i) {
7174 StatusRid status_rid; /* Card status info */
7175 readStatusRid(local, &status_rid, 1);
7176 for (i = 0;
7177 i < min(IW_MAX_AP, 4) &&
7178 (status_rid.bssid[i][0]
7179 & status_rid.bssid[i][1]
7180 & status_rid.bssid[i][2]
7181 & status_rid.bssid[i][3]
7182 & status_rid.bssid[i][4]
7183 & status_rid.bssid[i][5])!=0xff &&
7184 (status_rid.bssid[i][0]
7185 | status_rid.bssid[i][1]
7186 | status_rid.bssid[i][2]
7187 | status_rid.bssid[i][3]
7188 | status_rid.bssid[i][4]
7189 | status_rid.bssid[i][5]);
7190 i++) {
7191 memcpy(address[i].sa_data,
7192 status_rid.bssid[i], ETH_ALEN);
7193 address[i].sa_family = ARPHRD_ETHER;
7194 }
7195 } else {
7196 dwrq->flags = 1; /* Should be define'd */
7197 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7198 sizeof(struct iw_quality) * i);
7199 }
7200 dwrq->length = i;
7201
7202 kfree(qual);
7203 return 0;
7204}
7205
7206/*------------------------------------------------------------------*/
7207/*
7208 * Wireless Handler : Initiate Scan
7209 */
7210static int airo_set_scan(struct net_device *dev,
7211 struct iw_request_info *info,
7212 struct iw_point *dwrq,
7213 char *extra)
7214{
7215 struct airo_info *ai = dev->ml_priv;
7216 Cmd cmd;
7217 Resp rsp;
7218 int wake = 0;
7219
7220 /* Note : you may have realised that, as this is a SET operation,
7221 * this is privileged and therefore a normal user can't
7222 * perform scanning.
7223 * This is not an error, while the device perform scanning,
7224 * traffic doesn't flow, so it's a perfect DoS...
7225 * Jean II */
7226 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7227
7228 if (down_interruptible(&ai->sem))
7229 return -ERESTARTSYS;
7230
7231 /* If there's already a scan in progress, don't
7232 * trigger another one. */
7233 if (ai->scan_timeout > 0)
7234 goto out;
7235
7236 /* Initiate a scan command */
7237 ai->scan_timeout = RUN_AT(3*HZ);
7238 memset(&cmd, 0, sizeof(cmd));
7239 cmd.cmd=CMD_LISTBSS;
7240 issuecommand(ai, &cmd, &rsp);
7241 wake = 1;
7242
7243out:
7244 up(&ai->sem);
7245 if (wake)
7246 wake_up_interruptible(&ai->thr_wait);
7247 return 0;
7248}
7249
7250/*------------------------------------------------------------------*/
7251/*
7252 * Translate scan data returned from the card to a card independent
7253 * format that the Wireless Tools will understand - Jean II
7254 */
7255static inline char *airo_translate_scan(struct net_device *dev,
7256 struct iw_request_info *info,
7257 char *current_ev,
7258 char *end_buf,
7259 BSSListRid *bss)
7260{
7261 struct airo_info *ai = dev->ml_priv;
7262 struct iw_event iwe; /* Temporary buffer */
7263 __le16 capabilities;
7264 char * current_val; /* For rates */
7265 int i;
7266 char * buf;
7267 u16 dBm;
7268
7269 /* First entry *MUST* be the AP MAC address */
7270 iwe.cmd = SIOCGIWAP;
7271 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7272 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7273 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7274 &iwe, IW_EV_ADDR_LEN);
7275
7276 /* Other entries will be displayed in the order we give them */
7277
7278 /* Add the ESSID */
7279 iwe.u.data.length = bss->ssidLen;
7280 if(iwe.u.data.length > 32)
7281 iwe.u.data.length = 32;
7282 iwe.cmd = SIOCGIWESSID;
7283 iwe.u.data.flags = 1;
7284 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7285 &iwe, bss->ssid);
7286
7287 /* Add mode */
7288 iwe.cmd = SIOCGIWMODE;
7289 capabilities = bss->cap;
7290 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7291 if(capabilities & CAP_ESS)
7292 iwe.u.mode = IW_MODE_MASTER;
7293 else
7294 iwe.u.mode = IW_MODE_ADHOC;
7295 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7296 &iwe, IW_EV_UINT_LEN);
7297 }
7298
7299 /* Add frequency */
7300 iwe.cmd = SIOCGIWFREQ;
7301 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7302 iwe.u.freq.m = 100000 *
7303 ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7304 iwe.u.freq.e = 1;
7305 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7306 &iwe, IW_EV_FREQ_LEN);
7307
7308 dBm = le16_to_cpu(bss->dBm);
7309
7310 /* Add quality statistics */
7311 iwe.cmd = IWEVQUAL;
7312 if (ai->rssi) {
7313 iwe.u.qual.level = 0x100 - dBm;
7314 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7315 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7316 | IW_QUAL_LEVEL_UPDATED
7317 | IW_QUAL_DBM;
7318 } else {
7319 iwe.u.qual.level = (dBm + 321) / 2;
7320 iwe.u.qual.qual = 0;
7321 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7322 | IW_QUAL_LEVEL_UPDATED
7323 | IW_QUAL_DBM;
7324 }
7325 iwe.u.qual.noise = ai->wstats.qual.noise;
7326 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7327 &iwe, IW_EV_QUAL_LEN);
7328
7329 /* Add encryption capability */
7330 iwe.cmd = SIOCGIWENCODE;
7331 if(capabilities & CAP_PRIVACY)
7332 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7333 else
7334 iwe.u.data.flags = IW_ENCODE_DISABLED;
7335 iwe.u.data.length = 0;
7336 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7337 &iwe, bss->ssid);
7338
7339 /* Rate : stuffing multiple values in a single event require a bit
7340 * more of magic - Jean II */
7341 current_val = current_ev + iwe_stream_lcp_len(info);
7342
7343 iwe.cmd = SIOCGIWRATE;
7344 /* Those two flags are ignored... */
7345 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7346 /* Max 8 values */
7347 for(i = 0 ; i < 8 ; i++) {
7348 /* NULL terminated */
7349 if(bss->rates[i] == 0)
7350 break;
7351 /* Bit rate given in 500 kb/s units (+ 0x80) */
7352 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7353 /* Add new value to event */
7354 current_val = iwe_stream_add_value(info, current_ev,
7355 current_val, end_buf,
7356 &iwe, IW_EV_PARAM_LEN);
7357 }
7358 /* Check if we added any event */
7359 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7360 current_ev = current_val;
7361
7362 /* Beacon interval */
7363 buf = kmalloc(30, GFP_KERNEL);
7364 if (buf) {
7365 iwe.cmd = IWEVCUSTOM;
7366 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7367 iwe.u.data.length = strlen(buf);
7368 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7369 &iwe, buf);
7370 kfree(buf);
7371 }
7372
7373 /* Put WPA/RSN Information Elements into the event stream */
7374 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7375 unsigned int num_null_ies = 0;
7376 u16 length = sizeof (bss->extra.iep);
7377 u8 *ie = (void *)&bss->extra.iep;
7378
7379 while ((length >= 2) && (num_null_ies < 2)) {
7380 if (2 + ie[1] > length) {
7381 /* Invalid element, don't continue parsing IE */
7382 break;
7383 }
7384
7385 switch (ie[0]) {
7386 case WLAN_EID_SSID:
7387 /* Two zero-length SSID elements
7388 * mean we're done parsing elements */
7389 if (!ie[1])
7390 num_null_ies++;
7391 break;
7392
7393 case WLAN_EID_VENDOR_SPECIFIC:
7394 if (ie[1] >= 4 &&
7395 ie[2] == 0x00 &&
7396 ie[3] == 0x50 &&
7397 ie[4] == 0xf2 &&
7398 ie[5] == 0x01) {
7399 iwe.cmd = IWEVGENIE;
7400 /* 64 is an arbitrary cut-off */
7401 iwe.u.data.length = min(ie[1] + 2,
7402 64);
7403 current_ev = iwe_stream_add_point(
7404 info, current_ev,
7405 end_buf, &iwe, ie);
7406 }
7407 break;
7408
7409 case WLAN_EID_RSN:
7410 iwe.cmd = IWEVGENIE;
7411 /* 64 is an arbitrary cut-off */
7412 iwe.u.data.length = min(ie[1] + 2, 64);
7413 current_ev = iwe_stream_add_point(
7414 info, current_ev, end_buf,
7415 &iwe, ie);
7416 break;
7417
7418 default:
7419 break;
7420 }
7421
7422 length -= 2 + ie[1];
7423 ie += 2 + ie[1];
7424 }
7425 }
7426 return current_ev;
7427}
7428
7429/*------------------------------------------------------------------*/
7430/*
7431 * Wireless Handler : Read Scan Results
7432 */
7433static int airo_get_scan(struct net_device *dev,
7434 struct iw_request_info *info,
7435 struct iw_point *dwrq,
7436 char *extra)
7437{
7438 struct airo_info *ai = dev->ml_priv;
7439 BSSListElement *net;
7440 int err = 0;
7441 char *current_ev = extra;
7442
7443 /* If a scan is in-progress, return -EAGAIN */
7444 if (ai->scan_timeout > 0)
7445 return -EAGAIN;
7446
7447 if (down_interruptible(&ai->sem))
7448 return -EAGAIN;
7449
7450 list_for_each_entry (net, &ai->network_list, list) {
7451 /* Translate to WE format this entry */
7452 current_ev = airo_translate_scan(dev, info, current_ev,
7453 extra + dwrq->length,
7454 &net->bss);
7455
7456 /* Check if there is space for one more entry */
7457 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7458 /* Ask user space to try again with a bigger buffer */
7459 err = -E2BIG;
7460 goto out;
7461 }
7462 }
7463
7464 /* Length of data */
7465 dwrq->length = (current_ev - extra);
7466 dwrq->flags = 0; /* todo */
7467
7468out:
7469 up(&ai->sem);
7470 return err;
7471}
7472
7473/*------------------------------------------------------------------*/
7474/*
7475 * Commit handler : called after a bunch of SET operations
7476 */
7477static int airo_config_commit(struct net_device *dev,
7478 struct iw_request_info *info, /* NULL */
7479 void *zwrq, /* NULL */
7480 char *extra) /* NULL */
7481{
7482 struct airo_info *local = dev->ml_priv;
7483
7484 if (!test_bit (FLAG_COMMIT, &local->flags))
7485 return 0;
7486
7487 /* Some of the "SET" function may have modified some of the
7488 * parameters. It's now time to commit them in the card */
7489 disable_MAC(local, 1);
7490 if (test_bit (FLAG_RESET, &local->flags)) {
7491 APListRid APList_rid;
7492 SsidRid SSID_rid;
7493
7494 readAPListRid(local, &APList_rid);
7495 readSsidRid(local, &SSID_rid);
7496 if (test_bit(FLAG_MPI,&local->flags))
7497 setup_card(local, dev->dev_addr, 1 );
7498 else
7499 reset_airo_card(dev);
7500 disable_MAC(local, 1);
7501 writeSsidRid(local, &SSID_rid, 1);
7502 writeAPListRid(local, &APList_rid, 1);
7503 }
7504 if (down_interruptible(&local->sem))
7505 return -ERESTARTSYS;
7506 writeConfigRid(local, 0);
7507 enable_MAC(local, 0);
7508 if (test_bit (FLAG_RESET, &local->flags))
7509 airo_set_promisc(local);
7510 else
7511 up(&local->sem);
7512
7513 return 0;
7514}
7515
7516/*------------------------------------------------------------------*/
7517/*
7518 * Structures to export the Wireless Handlers
7519 */
7520
7521static const struct iw_priv_args airo_private_args[] = {
7522/*{ cmd, set_args, get_args, name } */
7523 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7524 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7525 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7526 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7527};
7528
7529static const iw_handler airo_handler[] =
7530{
7531 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7532 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7533 (iw_handler) NULL, /* SIOCSIWNWID */
7534 (iw_handler) NULL, /* SIOCGIWNWID */
7535 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7536 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7537 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7538 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7539 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7540 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7541 (iw_handler) NULL, /* SIOCSIWRANGE */
7542 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7543 (iw_handler) NULL, /* SIOCSIWPRIV */
7544 (iw_handler) NULL, /* SIOCGIWPRIV */
7545 (iw_handler) NULL, /* SIOCSIWSTATS */
7546 (iw_handler) NULL, /* SIOCGIWSTATS */
7547 iw_handler_set_spy, /* SIOCSIWSPY */
7548 iw_handler_get_spy, /* SIOCGIWSPY */
7549 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7550 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7551 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7552 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7555 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7556 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7557 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7558 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7559 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7560 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7561 (iw_handler) NULL, /* -- hole -- */
7562 (iw_handler) NULL, /* -- hole -- */
7563 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7564 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7565 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7566 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7567 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7568 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7569 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7570 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7571 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7572 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7573 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7574 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7575 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7576 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7577 (iw_handler) NULL, /* -- hole -- */
7578 (iw_handler) NULL, /* -- hole -- */
7579 (iw_handler) NULL, /* SIOCSIWGENIE */
7580 (iw_handler) NULL, /* SIOCGIWGENIE */
7581 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7582 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7583 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7584 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7585 (iw_handler) NULL, /* SIOCSIWPMKSA */
7586};
7587
7588/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7589 * We want to force the use of the ioctl code, because those can't be
7590 * won't work the iw_handler code (because they simultaneously read
7591 * and write data and iw_handler can't do that).
7592 * Note that it's perfectly legal to read/write on a single ioctl command,
7593 * you just can't use iwpriv and need to force it via the ioctl handler.
7594 * Jean II */
7595static const iw_handler airo_private_handler[] =
7596{
7597 NULL, /* SIOCIWFIRSTPRIV */
7598};
7599
7600static const struct iw_handler_def airo_handler_def =
7601{
7602 .num_standard = ARRAY_SIZE(airo_handler),
7603 .num_private = ARRAY_SIZE(airo_private_handler),
7604 .num_private_args = ARRAY_SIZE(airo_private_args),
7605 .standard = airo_handler,
7606 .private = airo_private_handler,
7607 .private_args = airo_private_args,
7608 .get_wireless_stats = airo_get_wireless_stats,
7609};
7610
7611/*
7612 * This defines the configuration part of the Wireless Extensions
7613 * Note : irq and spinlock protection will occur in the subroutines
7614 *
7615 * TODO :
7616 * o Check input value more carefully and fill correct values in range
7617 * o Test and shakeout the bugs (if any)
7618 *
7619 * Jean II
7620 *
7621 * Javier Achirica did a great job of merging code from the unnamed CISCO
7622 * developer that added support for flashing the card.
7623 */
7624static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7625{
7626 int rc = 0;
7627 struct airo_info *ai = dev->ml_priv;
7628
7629 if (ai->power.event)
7630 return 0;
7631
7632 switch (cmd) {
7633#ifdef CISCO_EXT
7634 case AIROIDIFC:
7635#ifdef AIROOLDIDIFC
7636 case AIROOLDIDIFC:
7637#endif
7638 {
7639 int val = AIROMAGIC;
7640 aironet_ioctl com;
7641 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7642 rc = -EFAULT;
7643 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7644 rc = -EFAULT;
7645 }
7646 break;
7647
7648 case AIROIOCTL:
7649#ifdef AIROOLDIOCTL
7650 case AIROOLDIOCTL:
7651#endif
7652 /* Get the command struct and hand it off for evaluation by
7653 * the proper subfunction
7654 */
7655 {
7656 aironet_ioctl com;
7657 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7658 rc = -EFAULT;
7659 break;
7660 }
7661
7662 /* Separate R/W functions bracket legality here
7663 */
7664 if ( com.command == AIRORSWVERSION ) {
7665 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7666 rc = -EFAULT;
7667 else
7668 rc = 0;
7669 }
7670 else if ( com.command <= AIRORRID)
7671 rc = readrids(dev,&com);
7672 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7673 rc = writerids(dev,&com);
7674 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7675 rc = flashcard(dev,&com);
7676 else
7677 rc = -EINVAL; /* Bad command in ioctl */
7678 }
7679 break;
7680#endif /* CISCO_EXT */
7681
7682 // All other calls are currently unsupported
7683 default:
7684 rc = -EOPNOTSUPP;
7685 }
7686 return rc;
7687}
7688
7689/*
7690 * Get the Wireless stats out of the driver
7691 * Note : irq and spinlock protection will occur in the subroutines
7692 *
7693 * TODO :
7694 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7695 *
7696 * Jean
7697 */
7698static void airo_read_wireless_stats(struct airo_info *local)
7699{
7700 StatusRid status_rid;
7701 StatsRid stats_rid;
7702 CapabilityRid cap_rid;
7703 __le32 *vals = stats_rid.vals;
7704
7705 /* Get stats out of the card */
7706 clear_bit(JOB_WSTATS, &local->jobs);
7707 if (local->power.event) {
7708 up(&local->sem);
7709 return;
7710 }
7711 readCapabilityRid(local, &cap_rid, 0);
7712 readStatusRid(local, &status_rid, 0);
7713 readStatsRid(local, &stats_rid, RID_STATS, 0);
7714 up(&local->sem);
7715
7716 /* The status */
7717 local->wstats.status = le16_to_cpu(status_rid.mode);
7718
7719 /* Signal quality and co */
7720 if (local->rssi) {
7721 local->wstats.qual.level =
7722 airo_rssi_to_dbm(local->rssi,
7723 le16_to_cpu(status_rid.sigQuality));
7724 /* normalizedSignalStrength appears to be a percentage */
7725 local->wstats.qual.qual =
7726 le16_to_cpu(status_rid.normalizedSignalStrength);
7727 } else {
7728 local->wstats.qual.level =
7729 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7730 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7731 }
7732 if (le16_to_cpu(status_rid.len) >= 124) {
7733 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7734 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7735 } else {
7736 local->wstats.qual.noise = 0;
7737 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7738 }
7739
7740 /* Packets discarded in the wireless adapter due to wireless
7741 * specific problems */
7742 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7743 le32_to_cpu(vals[57]) +
7744 le32_to_cpu(vals[58]); /* SSID Mismatch */
7745 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7746 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7747 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7748 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7749 le32_to_cpu(vals[32]);
7750 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7751}
7752
7753static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7754{
7755 struct airo_info *local = dev->ml_priv;
7756
7757 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7758 /* Get stats out of the card if available */
7759 if (down_trylock(&local->sem) != 0) {
7760 set_bit(JOB_WSTATS, &local->jobs);
7761 wake_up_interruptible(&local->thr_wait);
7762 } else
7763 airo_read_wireless_stats(local);
7764 }
7765
7766 return &local->wstats;
7767}
7768
7769#ifdef CISCO_EXT
7770/*
7771 * This just translates from driver IOCTL codes to the command codes to
7772 * feed to the radio's host interface. Things can be added/deleted
7773 * as needed. This represents the READ side of control I/O to
7774 * the card
7775 */
7776static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7777 unsigned short ridcode;
7778 unsigned char *iobuf;
7779 int len;
7780 struct airo_info *ai = dev->ml_priv;
7781
7782 if (test_bit(FLAG_FLASHING, &ai->flags))
7783 return -EIO;
7784
7785 switch(comp->command)
7786 {
7787 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROGCFG: ridcode = RID_CONFIG;
7789 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7790 disable_MAC (ai, 1);
7791 writeConfigRid (ai, 1);
7792 enable_MAC(ai, 1);
7793 }
7794 break;
7795 case AIROGSLIST: ridcode = RID_SSID; break;
7796 case AIROGVLIST: ridcode = RID_APLIST; break;
7797 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7798 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7799 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7800 /* Only super-user can read WEP keys */
7801 if (!capable(CAP_NET_ADMIN))
7802 return -EPERM;
7803 break;
7804 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7805 /* Only super-user can read WEP keys */
7806 if (!capable(CAP_NET_ADMIN))
7807 return -EPERM;
7808 break;
7809 case AIROGSTAT: ridcode = RID_STATUS; break;
7810 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7811 case AIROGSTATSC32: ridcode = RID_STATS; break;
7812 case AIROGMICSTATS:
7813 if (copy_to_user(comp->data, &ai->micstats,
7814 min((int)comp->len,(int)sizeof(ai->micstats))))
7815 return -EFAULT;
7816 return 0;
7817 case AIRORRID: ridcode = comp->ridnum; break;
7818 default:
7819 return -EINVAL;
7820 break;
7821 }
7822
7823 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7824 return -ENOMEM;
7825
7826 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7827 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7828 * then return it to the user
7829 * 9/22/2000 Honor user given length
7830 */
7831 len = comp->len;
7832
7833 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7834 kfree (iobuf);
7835 return -EFAULT;
7836 }
7837 kfree (iobuf);
7838 return 0;
7839}
7840
7841/*
7842 * Danger Will Robinson write the rids here
7843 */
7844
7845static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7846 struct airo_info *ai = dev->ml_priv;
7847 int ridcode;
7848 int enabled;
7849 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7850 unsigned char *iobuf;
7851
7852 /* Only super-user can write RIDs */
7853 if (!capable(CAP_NET_ADMIN))
7854 return -EPERM;
7855
7856 if (test_bit(FLAG_FLASHING, &ai->flags))
7857 return -EIO;
7858
7859 ridcode = 0;
7860 writer = do_writerid;
7861
7862 switch(comp->command)
7863 {
7864 case AIROPSIDS: ridcode = RID_SSID; break;
7865 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7866 case AIROPAPLIST: ridcode = RID_APLIST; break;
7867 case AIROPCFG: ai->config.len = 0;
7868 clear_bit(FLAG_COMMIT, &ai->flags);
7869 ridcode = RID_CONFIG; break;
7870 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7871 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7872 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7873 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7874 break;
7875 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7876 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7877
7878 /* this is not really a rid but a command given to the card
7879 * same with MAC off
7880 */
7881 case AIROPMACON:
7882 if (enable_MAC(ai, 1) != 0)
7883 return -EIO;
7884 return 0;
7885
7886 /*
7887 * Evidently this code in the airo driver does not get a symbol
7888 * as disable_MAC. it's probably so short the compiler does not gen one.
7889 */
7890 case AIROPMACOFF:
7891 disable_MAC(ai, 1);
7892 return 0;
7893
7894 /* This command merely clears the counts does not actually store any data
7895 * only reads rid. But as it changes the cards state, I put it in the
7896 * writerid routines.
7897 */
7898 case AIROPSTCLR:
7899 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7900 return -ENOMEM;
7901
7902 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7903
7904 enabled = ai->micstats.enabled;
7905 memset(&ai->micstats,0,sizeof(ai->micstats));
7906 ai->micstats.enabled = enabled;
7907
7908 if (copy_to_user(comp->data, iobuf,
7909 min((int)comp->len, (int)RIDSIZE))) {
7910 kfree (iobuf);
7911 return -EFAULT;
7912 }
7913 kfree (iobuf);
7914 return 0;
7915
7916 default:
7917 return -EOPNOTSUPP; /* Blarg! */
7918 }
7919 if(comp->len > RIDSIZE)
7920 return -EINVAL;
7921
7922 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7923 return -ENOMEM;
7924
7925 if (copy_from_user(iobuf,comp->data,comp->len)) {
7926 kfree (iobuf);
7927 return -EFAULT;
7928 }
7929
7930 if (comp->command == AIROPCFG) {
7931 ConfigRid *cfg = (ConfigRid *)iobuf;
7932
7933 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7934 cfg->opmode |= MODE_MIC;
7935
7936 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7937 set_bit (FLAG_ADHOC, &ai->flags);
7938 else
7939 clear_bit (FLAG_ADHOC, &ai->flags);
7940 }
7941
7942 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7943 kfree (iobuf);
7944 return -EIO;
7945 }
7946 kfree (iobuf);
7947 return 0;
7948}
7949
7950/*****************************************************************************
7951 * Ancillary flash / mod functions much black magic lurkes here *
7952 *****************************************************************************
7953 */
7954
7955/*
7956 * Flash command switch table
7957 */
7958
7959static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7960 int z;
7961
7962 /* Only super-user can modify flash */
7963 if (!capable(CAP_NET_ADMIN))
7964 return -EPERM;
7965
7966 switch(comp->command)
7967 {
7968 case AIROFLSHRST:
7969 return cmdreset((struct airo_info *)dev->ml_priv);
7970
7971 case AIROFLSHSTFL:
7972 if (!AIRO_FLASH(dev) &&
7973 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7974 return -ENOMEM;
7975 return setflashmode((struct airo_info *)dev->ml_priv);
7976
7977 case AIROFLSHGCHR: /* Get char from aux */
7978 if(comp->len != sizeof(int))
7979 return -EINVAL;
7980 if (copy_from_user(&z,comp->data,comp->len))
7981 return -EFAULT;
7982 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7983
7984 case AIROFLSHPCHR: /* Send char to card. */
7985 if(comp->len != sizeof(int))
7986 return -EINVAL;
7987 if (copy_from_user(&z,comp->data,comp->len))
7988 return -EFAULT;
7989 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7990
7991 case AIROFLPUTBUF: /* Send 32k to card */
7992 if (!AIRO_FLASH(dev))
7993 return -ENOMEM;
7994 if(comp->len > FLASHSIZE)
7995 return -EINVAL;
7996 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7997 return -EFAULT;
7998
7999 flashputbuf((struct airo_info *)dev->ml_priv);
8000 return 0;
8001
8002 case AIRORESTART:
8003 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8004 return -EIO;
8005 return 0;
8006 }
8007 return -EINVAL;
8008}
8009
8010#define FLASH_COMMAND 0x7e7e
8011
8012/*
8013 * STEP 1)
8014 * Disable MAC and do soft reset on
8015 * card.
8016 */
8017
8018static int cmdreset(struct airo_info *ai) {
8019 disable_MAC(ai, 1);
8020
8021 if(!waitbusy (ai)){
8022 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8023 return -EBUSY;
8024 }
8025
8026 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8027
8028 ssleep(1); /* WAS 600 12/7/00 */
8029
8030 if(!waitbusy (ai)){
8031 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8032 return -EBUSY;
8033 }
8034 return 0;
8035}
8036
8037/* STEP 2)
8038 * Put the card in legendary flash
8039 * mode
8040 */
8041
8042static int setflashmode (struct airo_info *ai) {
8043 set_bit (FLAG_FLASHING, &ai->flags);
8044
8045 OUT4500(ai, SWS0, FLASH_COMMAND);
8046 OUT4500(ai, SWS1, FLASH_COMMAND);
8047 if (probe) {
8048 OUT4500(ai, SWS0, FLASH_COMMAND);
8049 OUT4500(ai, COMMAND,0x10);
8050 } else {
8051 OUT4500(ai, SWS2, FLASH_COMMAND);
8052 OUT4500(ai, SWS3, FLASH_COMMAND);
8053 OUT4500(ai, COMMAND,0);
8054 }
8055 msleep(500); /* 500ms delay */
8056
8057 if(!waitbusy(ai)) {
8058 clear_bit (FLAG_FLASHING, &ai->flags);
8059 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8060 return -EIO;
8061 }
8062 return 0;
8063}
8064
8065/* Put character to SWS0 wait for dwelltime
8066 * x 50us for echo .
8067 */
8068
8069static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8070 int echo;
8071 int waittime;
8072
8073 byte |= 0x8000;
8074
8075 if(dwelltime == 0 )
8076 dwelltime = 200;
8077
8078 waittime=dwelltime;
8079
8080 /* Wait for busy bit d15 to go false indicating buffer empty */
8081 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8082 udelay (50);
8083 waittime -= 50;
8084 }
8085
8086 /* timeout for busy clear wait */
8087 if(waittime <= 0 ){
8088 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8089 return -EBUSY;
8090 }
8091
8092 /* Port is clear now write byte and wait for it to echo back */
8093 do {
8094 OUT4500(ai,SWS0,byte);
8095 udelay(50);
8096 dwelltime -= 50;
8097 echo = IN4500(ai,SWS1);
8098 } while (dwelltime >= 0 && echo != byte);
8099
8100 OUT4500(ai,SWS1,0);
8101
8102 return (echo == byte) ? 0 : -EIO;
8103}
8104
8105/*
8106 * Get a character from the card matching matchbyte
8107 * Step 3)
8108 */
8109static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8110 int rchar;
8111 unsigned char rbyte=0;
8112
8113 do {
8114 rchar = IN4500(ai,SWS1);
8115
8116 if(dwelltime && !(0x8000 & rchar)){
8117 dwelltime -= 10;
8118 mdelay(10);
8119 continue;
8120 }
8121 rbyte = 0xff & rchar;
8122
8123 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8124 OUT4500(ai,SWS1,0);
8125 return 0;
8126 }
8127 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8128 break;
8129 OUT4500(ai,SWS1,0);
8130
8131 }while(dwelltime > 0);
8132 return -EIO;
8133}
8134
8135/*
8136 * Transfer 32k of firmware data from user buffer to our buffer and
8137 * send to the card
8138 */
8139
8140static int flashputbuf(struct airo_info *ai){
8141 int nwords;
8142
8143 /* Write stuff */
8144 if (test_bit(FLAG_MPI,&ai->flags))
8145 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8146 else {
8147 OUT4500(ai,AUXPAGE,0x100);
8148 OUT4500(ai,AUXOFF,0);
8149
8150 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8151 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8152 }
8153 }
8154 OUT4500(ai,SWS0,0x8000);
8155
8156 return 0;
8157}
8158
8159/*
8160 *
8161 */
8162static int flashrestart(struct airo_info *ai,struct net_device *dev){
8163 int i,status;
8164
8165 ssleep(1); /* Added 12/7/00 */
8166 clear_bit (FLAG_FLASHING, &ai->flags);
8167 if (test_bit(FLAG_MPI, &ai->flags)) {
8168 status = mpi_init_descriptors(ai);
8169 if (status != SUCCESS)
8170 return status;
8171 }
8172 status = setup_card(ai, dev->dev_addr, 1);
8173
8174 if (!test_bit(FLAG_MPI,&ai->flags))
8175 for( i = 0; i < MAX_FIDS; i++ ) {
8176 ai->fids[i] = transmit_allocate
8177 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8178 }
8179
8180 ssleep(1); /* Added 12/7/00 */
8181 return status;
8182}
8183#endif /* CISCO_EXT */
8184
8185/*
8186 This program is free software; you can redistribute it and/or
8187 modify it under the terms of the GNU General Public License
8188 as published by the Free Software Foundation; either version 2
8189 of the License, or (at your option) any later version.
8190
8191 This program is distributed in the hope that it will be useful,
8192 but WITHOUT ANY WARRANTY; without even the implied warranty of
8193 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8194 GNU General Public License for more details.
8195
8196 In addition:
8197
8198 Redistribution and use in source and binary forms, with or without
8199 modification, are permitted provided that the following conditions
8200 are met:
8201
8202 1. Redistributions of source code must retain the above copyright
8203 notice, this list of conditions and the following disclaimer.
8204 2. Redistributions in binary form must reproduce the above copyright
8205 notice, this list of conditions and the following disclaimer in the
8206 documentation and/or other materials provided with the distribution.
8207 3. The name of the author may not be used to endorse or promote
8208 products derived from this software without specific prior written
8209 permission.
8210
8211 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8212 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8213 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8214 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8215 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8216 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8217 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8218 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8219 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8220 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8221 POSSIBILITY OF SUCH DAMAGE.
8222*/
8223
8224module_init(airo_init_module);
8225module_exit(airo_cleanup_module);