blob: 692a23f9834da040d346bb2abacc8a0f5f26d8f5 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
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
Herbert Xuf12cc202006-08-22 20:36:13 +100022#include <linux/err.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <linux/init.h>
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/proc_fs.h>
28#include <linux/smp_lock.h>
29
30#include <linux/sched.h>
31#include <linux/ptrace.h>
32#include <linux/slab.h>
33#include <linux/string.h>
34#include <linux/timer.h>
35#include <linux/interrupt.h>
36#include <linux/in.h>
37#include <linux/bitops.h>
David Hardeman378f0582005-09-17 17:55:31 +100038#include <linux/scatterlist.h>
Adrian Bunka39d3e72006-01-21 01:35:15 +010039#include <linux/crypto.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#include <asm/io.h>
41#include <asm/system.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>
Dan Williams3c304952006-04-15 12:26:18 -040050#include <net/ieee80211.h>
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -070051#include <linux/kthread.h>
Nigel Cunningham7dfb7102006-12-06 20:34:23 -080052#include <linux/freezer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
Adrian Bunkd3808762005-11-05 17:42:27 +010054#include "airo.h"
55
Linus Torvalds1da177e2005-04-16 15:20:36 -070056#ifdef CONFIG_PCI
57static struct pci_device_id card_ids[] = {
58 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
60 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0, }
66};
67MODULE_DEVICE_TABLE(pci, card_ids);
68
69static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
70static void airo_pci_remove(struct pci_dev *);
Pavel Machek05adc3b2005-04-16 15:25:25 -070071static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
Linus Torvalds1da177e2005-04-16 15:20:36 -070072static int airo_pci_resume(struct pci_dev *pdev);
73
74static struct pci_driver airo_driver = {
75 .name = "airo",
76 .id_table = card_ids,
77 .probe = airo_pci_probe,
78 .remove = __devexit_p(airo_pci_remove),
79 .suspend = airo_pci_suspend,
80 .resume = airo_pci_resume,
81};
82#endif /* CONFIG_PCI */
83
84/* Include Wireless Extension definition and check version - Jean II */
85#include <linux/wireless.h>
86#define WIRELESS_SPY // enable iwspy support
87#include <net/iw_handler.h> // New driver API
88
89#define CISCO_EXT // enable Cisco extensions
90#ifdef CISCO_EXT
91#include <linux/delay.h>
92#endif
93
Linus Torvalds1da177e2005-04-16 15:20:36 -070094/* Hack to do some power saving */
95#define POWER_ON_DOWN
96
97/* As you can see this list is HUGH!
98 I really don't know what a lot of these counts are about, but they
99 are all here for completeness. If the IGNLABEL macro is put in
100 infront of the label, that statistic will not be included in the list
101 of statistics in the /proc filesystem */
102
103#define IGNLABEL(comment) NULL
104static char *statsLabels[] = {
105 "RxOverrun",
106 IGNLABEL("RxPlcpCrcErr"),
107 IGNLABEL("RxPlcpFormatErr"),
108 IGNLABEL("RxPlcpLengthErr"),
109 "RxMacCrcErr",
110 "RxMacCrcOk",
111 "RxWepErr",
112 "RxWepOk",
113 "RetryLong",
114 "RetryShort",
115 "MaxRetries",
116 "NoAck",
117 "NoCts",
118 "RxAck",
119 "RxCts",
120 "TxAck",
121 "TxRts",
122 "TxCts",
123 "TxMc",
124 "TxBc",
125 "TxUcFrags",
126 "TxUcPackets",
127 "TxBeacon",
128 "RxBeacon",
129 "TxSinColl",
130 "TxMulColl",
131 "DefersNo",
132 "DefersProt",
133 "DefersEngy",
134 "DupFram",
135 "RxFragDisc",
136 "TxAged",
137 "RxAged",
138 "LostSync-MaxRetry",
139 "LostSync-MissedBeacons",
140 "LostSync-ArlExceeded",
141 "LostSync-Deauth",
142 "LostSync-Disassoced",
143 "LostSync-TsfTiming",
144 "HostTxMc",
145 "HostTxBc",
146 "HostTxUc",
147 "HostTxFail",
148 "HostRxMc",
149 "HostRxBc",
150 "HostRxUc",
151 "HostRxDiscard",
152 IGNLABEL("HmacTxMc"),
153 IGNLABEL("HmacTxBc"),
154 IGNLABEL("HmacTxUc"),
155 IGNLABEL("HmacTxFail"),
156 IGNLABEL("HmacRxMc"),
157 IGNLABEL("HmacRxBc"),
158 IGNLABEL("HmacRxUc"),
159 IGNLABEL("HmacRxDiscard"),
160 IGNLABEL("HmacRxAccepted"),
161 "SsidMismatch",
162 "ApMismatch",
163 "RatesMismatch",
164 "AuthReject",
165 "AuthTimeout",
166 "AssocReject",
167 "AssocTimeout",
168 IGNLABEL("ReasonOutsideTable"),
169 IGNLABEL("ReasonStatus1"),
170 IGNLABEL("ReasonStatus2"),
171 IGNLABEL("ReasonStatus3"),
172 IGNLABEL("ReasonStatus4"),
173 IGNLABEL("ReasonStatus5"),
174 IGNLABEL("ReasonStatus6"),
175 IGNLABEL("ReasonStatus7"),
176 IGNLABEL("ReasonStatus8"),
177 IGNLABEL("ReasonStatus9"),
178 IGNLABEL("ReasonStatus10"),
179 IGNLABEL("ReasonStatus11"),
180 IGNLABEL("ReasonStatus12"),
181 IGNLABEL("ReasonStatus13"),
182 IGNLABEL("ReasonStatus14"),
183 IGNLABEL("ReasonStatus15"),
184 IGNLABEL("ReasonStatus16"),
185 IGNLABEL("ReasonStatus17"),
186 IGNLABEL("ReasonStatus18"),
187 IGNLABEL("ReasonStatus19"),
188 "RxMan",
189 "TxMan",
190 "RxRefresh",
191 "TxRefresh",
192 "RxPoll",
193 "TxPoll",
194 "HostRetries",
195 "LostSync-HostReq",
196 "HostTxBytes",
197 "HostRxBytes",
198 "ElapsedUsec",
199 "ElapsedSec",
200 "LostSyncBetterAP",
201 "PrivacyMismatch",
202 "Jammed",
203 "DiscRxNotWepped",
204 "PhyEleMismatch",
205 (char*)-1 };
206#ifndef RUN_AT
207#define RUN_AT(x) (jiffies+(x))
208#endif
209
210
211/* These variables are for insmod, since it seems that the rates
212 can only be set in setup_card. Rates should be a comma separated
213 (no spaces) list of rates (up to 8). */
214
215static int rates[8];
216static int basic_rate;
217static char *ssids[3];
218
219static int io[4];
220static int irq[4];
221
222static
223int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
224 0 means no limit. For old cards this was 4 */
225
226static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
227static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
228 the bap, needed on some older cards and buses. */
229static int adhoc;
230
231static int probe = 1;
232
233static int proc_uid /* = 0 */;
234
235static int proc_gid /* = 0 */;
236
237static int airo_perm = 0555;
238
239static int proc_perm = 0644;
240
241MODULE_AUTHOR("Benjamin Reed");
242MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
243 cards. Direct support for ISA/PCI/MPI cards and support \
244 for PCMCIA when used with airo_cs.");
245MODULE_LICENSE("Dual BSD/GPL");
246MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
247module_param_array(io, int, NULL, 0);
248module_param_array(irq, int, NULL, 0);
249module_param(basic_rate, int, 0);
250module_param_array(rates, int, NULL, 0);
251module_param_array(ssids, charp, NULL, 0);
252module_param(auto_wep, int, 0);
253MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
254the authentication options until an association is made. The value of \
255auto_wep is number of the wep keys to check. A value of 2 will try using \
256the key at index 0 and index 1.");
257module_param(aux_bap, int, 0);
258MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
259than seems to work better for older cards with some older buses. Before \
260switching it checks that the switch is needed.");
261module_param(maxencrypt, int, 0);
262MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
263encryption. Units are in 512kbs. Zero (default) means there is no limit. \
264Older cards used to be limited to 2mbs (4).");
265module_param(adhoc, int, 0);
266MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
267module_param(probe, int, 0);
268MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
269
270module_param(proc_uid, int, 0);
271MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
272module_param(proc_gid, int, 0);
273MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
274module_param(airo_perm, int, 0);
275MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
276module_param(proc_perm, int, 0);
277MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
278
279/* This is a kind of sloppy hack to get this information to OUT4500 and
280 IN4500. I would be extremely interested in the situation where this
281 doesn't work though!!! */
282static int do8bitIO = 0;
283
284/* Return codes */
285#define SUCCESS 0
286#define ERROR -1
287#define NO_PACKET -2
288
289/* Commands */
290#define NOP2 0x0000
291#define MAC_ENABLE 0x0001
292#define MAC_DISABLE 0x0002
293#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
294#define CMD_SOFTRESET 0x0004
295#define HOSTSLEEP 0x0005
296#define CMD_MAGIC_PKT 0x0006
297#define CMD_SETWAKEMASK 0x0007
298#define CMD_READCFG 0x0008
299#define CMD_SETMODE 0x0009
300#define CMD_ALLOCATETX 0x000a
301#define CMD_TRANSMIT 0x000b
302#define CMD_DEALLOCATETX 0x000c
303#define NOP 0x0010
304#define CMD_WORKAROUND 0x0011
305#define CMD_ALLOCATEAUX 0x0020
306#define CMD_ACCESS 0x0021
307#define CMD_PCIBAP 0x0022
308#define CMD_PCIAUX 0x0023
309#define CMD_ALLOCBUF 0x0028
310#define CMD_GETTLV 0x0029
311#define CMD_PUTTLV 0x002a
312#define CMD_DELTLV 0x002b
313#define CMD_FINDNEXTTLV 0x002c
314#define CMD_PSPNODES 0x0030
315#define CMD_SETCW 0x0031
316#define CMD_SETPCF 0x0032
317#define CMD_SETPHYREG 0x003e
318#define CMD_TXTEST 0x003f
319#define MAC_ENABLETX 0x0101
320#define CMD_LISTBSS 0x0103
321#define CMD_SAVECFG 0x0108
322#define CMD_ENABLEAUX 0x0111
323#define CMD_WRITERID 0x0121
324#define CMD_USEPSPNODES 0x0130
325#define MAC_ENABLERX 0x0201
326
327/* Command errors */
328#define ERROR_QUALIF 0x00
329#define ERROR_ILLCMD 0x01
330#define ERROR_ILLFMT 0x02
331#define ERROR_INVFID 0x03
332#define ERROR_INVRID 0x04
333#define ERROR_LARGE 0x05
334#define ERROR_NDISABL 0x06
335#define ERROR_ALLOCBSY 0x07
336#define ERROR_NORD 0x0B
337#define ERROR_NOWR 0x0C
338#define ERROR_INVFIDTX 0x0D
339#define ERROR_TESTACT 0x0E
340#define ERROR_TAGNFND 0x12
341#define ERROR_DECODE 0x20
342#define ERROR_DESCUNAV 0x21
343#define ERROR_BADLEN 0x22
344#define ERROR_MODE 0x80
345#define ERROR_HOP 0x81
346#define ERROR_BINTER 0x82
347#define ERROR_RXMODE 0x83
348#define ERROR_MACADDR 0x84
349#define ERROR_RATES 0x85
350#define ERROR_ORDER 0x86
351#define ERROR_SCAN 0x87
352#define ERROR_AUTH 0x88
353#define ERROR_PSMODE 0x89
354#define ERROR_RTYPE 0x8A
355#define ERROR_DIVER 0x8B
356#define ERROR_SSID 0x8C
357#define ERROR_APLIST 0x8D
358#define ERROR_AUTOWAKE 0x8E
359#define ERROR_LEAP 0x8F
360
361/* Registers */
362#define COMMAND 0x00
363#define PARAM0 0x02
364#define PARAM1 0x04
365#define PARAM2 0x06
366#define STATUS 0x08
367#define RESP0 0x0a
368#define RESP1 0x0c
369#define RESP2 0x0e
370#define LINKSTAT 0x10
371#define SELECT0 0x18
372#define OFFSET0 0x1c
373#define RXFID 0x20
374#define TXALLOCFID 0x22
375#define TXCOMPLFID 0x24
376#define DATA0 0x36
377#define EVSTAT 0x30
378#define EVINTEN 0x32
379#define EVACK 0x34
380#define SWS0 0x28
381#define SWS1 0x2a
382#define SWS2 0x2c
383#define SWS3 0x2e
384#define AUXPAGE 0x3A
385#define AUXOFF 0x3C
386#define AUXDATA 0x3E
387
388#define FID_TX 1
389#define FID_RX 2
390/* Offset into aux memory for descriptors */
391#define AUX_OFFSET 0x800
392/* Size of allocated packets */
393#define PKTSIZE 1840
394#define RIDSIZE 2048
395/* Size of the transmit queue */
396#define MAXTXQ 64
397
398/* BAP selectors */
399#define BAP0 0 // Used for receiving packets
400#define BAP1 2 // Used for xmiting packets and working with RIDS
401
402/* Flags */
403#define COMMAND_BUSY 0x8000
404
405#define BAP_BUSY 0x8000
406#define BAP_ERR 0x4000
407#define BAP_DONE 0x2000
408
409#define PROMISC 0xffff
410#define NOPROMISC 0x0000
411
412#define EV_CMD 0x10
413#define EV_CLEARCOMMANDBUSY 0x4000
414#define EV_RX 0x01
415#define EV_TX 0x02
416#define EV_TXEXC 0x04
417#define EV_ALLOC 0x08
418#define EV_LINK 0x80
419#define EV_AWAKE 0x100
420#define EV_TXCPY 0x400
421#define EV_UNKNOWN 0x800
422#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
423#define EV_AWAKEN 0x2000
424#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
425
426#ifdef CHECK_UNKNOWN_INTS
427#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
428#else
429#define IGNORE_INTS (~STATUS_INTS)
430#endif
431
432/* RID TYPES */
433#define RID_RW 0x20
434
435/* The RIDs */
436#define RID_CAPABILITIES 0xFF00
437#define RID_APINFO 0xFF01
438#define RID_RADIOINFO 0xFF02
439#define RID_UNKNOWN3 0xFF03
440#define RID_RSSI 0xFF04
441#define RID_CONFIG 0xFF10
442#define RID_SSID 0xFF11
443#define RID_APLIST 0xFF12
444#define RID_DRVNAME 0xFF13
445#define RID_ETHERENCAP 0xFF14
446#define RID_WEP_TEMP 0xFF15
447#define RID_WEP_PERM 0xFF16
448#define RID_MODULATION 0xFF17
449#define RID_OPTIONS 0xFF18
450#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
451#define RID_FACTORYCONFIG 0xFF21
452#define RID_UNKNOWN22 0xFF22
453#define RID_LEAPUSERNAME 0xFF23
454#define RID_LEAPPASSWORD 0xFF24
455#define RID_STATUS 0xFF50
456#define RID_BEACON_HST 0xFF51
457#define RID_BUSY_HST 0xFF52
458#define RID_RETRIES_HST 0xFF53
459#define RID_UNKNOWN54 0xFF54
460#define RID_UNKNOWN55 0xFF55
461#define RID_UNKNOWN56 0xFF56
462#define RID_MIC 0xFF57
463#define RID_STATS16 0xFF60
464#define RID_STATS16DELTA 0xFF61
465#define RID_STATS16DELTACLEAR 0xFF62
466#define RID_STATS 0xFF68
467#define RID_STATSDELTA 0xFF69
468#define RID_STATSDELTACLEAR 0xFF6A
469#define RID_ECHOTEST_RID 0xFF70
470#define RID_ECHOTEST_RESULTS 0xFF71
471#define RID_BSSLISTFIRST 0xFF72
472#define RID_BSSLISTNEXT 0xFF73
Dan Williams3c304952006-04-15 12:26:18 -0400473#define RID_WPA_BSSLISTFIRST 0xFF74
474#define RID_WPA_BSSLISTNEXT 0xFF75
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475
476typedef struct {
477 u16 cmd;
478 u16 parm0;
479 u16 parm1;
480 u16 parm2;
481} Cmd;
482
483typedef struct {
484 u16 status;
485 u16 rsp0;
486 u16 rsp1;
487 u16 rsp2;
488} Resp;
489
490/*
491 * Rids and endian-ness: The Rids will always be in cpu endian, since
492 * this all the patches from the big-endian guys end up doing that.
493 * so all rid access should use the read/writeXXXRid routines.
494 */
495
496/* This is redundant for x86 archs, but it seems necessary for ARM */
497#pragma pack(1)
498
499/* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501typedef struct {
502 u16 len;
503 u16 kindex;
504 u8 mac[ETH_ALEN];
505 u16 klen;
506 u8 key[16];
507} WepKeyRid;
508
509/* These structures are from the Aironet's PC4500 Developers Manual */
510typedef struct {
511 u16 len;
512 u8 ssid[32];
513} Ssid;
514
515typedef struct {
516 u16 len;
517 Ssid ssids[3];
518} SsidRid;
519
520typedef struct {
521 u16 len;
522 u16 modulation;
523#define MOD_DEFAULT 0
524#define MOD_CCK 1
525#define MOD_MOK 2
526} ModulationRid;
527
528typedef struct {
529 u16 len; /* sizeof(ConfigRid) */
530 u16 opmode; /* operating mode */
531#define MODE_STA_IBSS 0
532#define MODE_STA_ESS 1
533#define MODE_AP 2
534#define MODE_AP_RPTR 3
535#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
536#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
537#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
538#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
539#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
540#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
541#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
542#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
543#define MODE_MIC (1<<15) /* enable MIC */
544 u16 rmode; /* receive mode */
545#define RXMODE_BC_MC_ADDR 0
546#define RXMODE_BC_ADDR 1 /* ignore multicasts */
547#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
548#define RXMODE_RFMON 3 /* wireless monitor mode */
549#define RXMODE_RFMON_ANYBSS 4
550#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
551#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
552#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
553 u16 fragThresh;
554 u16 rtsThres;
555 u8 macAddr[ETH_ALEN];
556 u8 rates[8];
557 u16 shortRetryLimit;
558 u16 longRetryLimit;
559 u16 txLifetime; /* in kusec */
560 u16 rxLifetime; /* in kusec */
561 u16 stationary;
562 u16 ordering;
563 u16 u16deviceType; /* for overriding device type */
564 u16 cfpRate;
565 u16 cfpDuration;
566 u16 _reserved1[3];
567 /*---------- Scanning/Associating ----------*/
568 u16 scanMode;
569#define SCANMODE_ACTIVE 0
570#define SCANMODE_PASSIVE 1
571#define SCANMODE_AIROSCAN 2
572 u16 probeDelay; /* in kusec */
573 u16 probeEnergyTimeout; /* in kusec */
574 u16 probeResponseTimeout;
575 u16 beaconListenTimeout;
576 u16 joinNetTimeout;
577 u16 authTimeout;
578 u16 authType;
579#define AUTH_OPEN 0x1
580#define AUTH_ENCRYPT 0x101
581#define AUTH_SHAREDKEY 0x102
582#define AUTH_ALLOW_UNENCRYPTED 0x200
583 u16 associationTimeout;
584 u16 specifiedApTimeout;
585 u16 offlineScanInterval;
586 u16 offlineScanDuration;
587 u16 linkLossDelay;
588 u16 maxBeaconLostTime;
589 u16 refreshInterval;
590#define DISABLE_REFRESH 0xFFFF
591 u16 _reserved1a[1];
592 /*---------- Power save operation ----------*/
593 u16 powerSaveMode;
594#define POWERSAVE_CAM 0
595#define POWERSAVE_PSP 1
596#define POWERSAVE_PSPCAM 2
597 u16 sleepForDtims;
598 u16 listenInterval;
599 u16 fastListenInterval;
600 u16 listenDecay;
601 u16 fastListenDelay;
602 u16 _reserved2[2];
603 /*---------- Ap/Ibss config items ----------*/
604 u16 beaconPeriod;
605 u16 atimDuration;
606 u16 hopPeriod;
607 u16 channelSet;
608 u16 channel;
609 u16 dtimPeriod;
610 u16 bridgeDistance;
611 u16 radioID;
612 /*---------- Radio configuration ----------*/
613 u16 radioType;
614#define RADIOTYPE_DEFAULT 0
615#define RADIOTYPE_802_11 1
616#define RADIOTYPE_LEGACY 2
617 u8 rxDiversity;
618 u8 txDiversity;
619 u16 txPower;
620#define TXPOWER_DEFAULT 0
621 u16 rssiThreshold;
622#define RSSI_DEFAULT 0
623 u16 modulation;
624#define PREAMBLE_AUTO 0
625#define PREAMBLE_LONG 1
626#define PREAMBLE_SHORT 2
627 u16 preamble;
628 u16 homeProduct;
629 u16 radioSpecific;
630 /*---------- Aironet Extensions ----------*/
631 u8 nodeName[16];
632 u16 arlThreshold;
633 u16 arlDecay;
634 u16 arlDelay;
635 u16 _reserved4[1];
636 /*---------- Aironet Extensions ----------*/
637 u8 magicAction;
638#define MAGIC_ACTION_STSCHG 1
639#define MAGIC_ACTION_RESUME 2
640#define MAGIC_IGNORE_MCAST (1<<8)
641#define MAGIC_IGNORE_BCAST (1<<9)
642#define MAGIC_SWITCH_TO_PSP (0<<10)
643#define MAGIC_STAY_IN_CAM (1<<10)
644 u8 magicControl;
645 u16 autoWake;
646} ConfigRid;
647
648typedef struct {
649 u16 len;
650 u8 mac[ETH_ALEN];
651 u16 mode;
652 u16 errorCode;
653 u16 sigQuality;
654 u16 SSIDlen;
655 char SSID[32];
656 char apName[16];
657 u8 bssid[4][ETH_ALEN];
658 u16 beaconPeriod;
659 u16 dimPeriod;
660 u16 atimDuration;
661 u16 hopPeriod;
662 u16 channelSet;
663 u16 channel;
664 u16 hopsToBackbone;
665 u16 apTotalLoad;
666 u16 generatedLoad;
667 u16 accumulatedArl;
668 u16 signalQuality;
669 u16 currentXmitRate;
670 u16 apDevExtensions;
671 u16 normalizedSignalStrength;
672 u16 shortPreamble;
673 u8 apIP[4];
674 u8 noisePercent; /* Noise percent in last second */
675 u8 noisedBm; /* Noise dBm in last second */
676 u8 noiseAvePercent; /* Noise percent in last minute */
677 u8 noiseAvedBm; /* Noise dBm in last minute */
678 u8 noiseMaxPercent; /* Highest noise percent in last minute */
679 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
680 u16 load;
681 u8 carrier[4];
682 u16 assocStatus;
683#define STAT_NOPACKETS 0
684#define STAT_NOCARRIERSET 10
685#define STAT_GOTCARRIERSET 11
686#define STAT_WRONGSSID 20
687#define STAT_BADCHANNEL 25
688#define STAT_BADBITRATES 30
689#define STAT_BADPRIVACY 35
690#define STAT_APFOUND 40
691#define STAT_APREJECTED 50
692#define STAT_AUTHENTICATING 60
693#define STAT_DEAUTHENTICATED 61
694#define STAT_AUTHTIMEOUT 62
695#define STAT_ASSOCIATING 70
696#define STAT_DEASSOCIATED 71
697#define STAT_ASSOCTIMEOUT 72
698#define STAT_NOTAIROAP 73
699#define STAT_ASSOCIATED 80
700#define STAT_LEAPING 90
701#define STAT_LEAPFAILED 91
702#define STAT_LEAPTIMEDOUT 92
703#define STAT_LEAPCOMPLETE 93
704} StatusRid;
705
706typedef struct {
707 u16 len;
708 u16 spacer;
709 u32 vals[100];
710} StatsRid;
711
712
713typedef struct {
714 u16 len;
715 u8 ap[4][ETH_ALEN];
716} APListRid;
717
718typedef struct {
719 u16 len;
720 char oui[3];
721 char zero;
722 u16 prodNum;
723 char manName[32];
724 char prodName[16];
725 char prodVer[8];
726 char factoryAddr[ETH_ALEN];
727 char aironetAddr[ETH_ALEN];
728 u16 radioType;
729 u16 country;
730 char callid[ETH_ALEN];
731 char supportedRates[8];
732 char rxDiversity;
733 char txDiversity;
734 u16 txPowerLevels[8];
735 u16 hardVer;
736 u16 hardCap;
737 u16 tempRange;
738 u16 softVer;
739 u16 softSubVer;
740 u16 interfaceVer;
741 u16 softCap;
742 u16 bootBlockVer;
743 u16 requiredHard;
744 u16 extSoftCap;
745} CapabilityRid;
746
Dan Williams3c304952006-04-15 12:26:18 -0400747
748/* Only present on firmware >= 5.30.17 */
749typedef struct {
750 u16 unknown[4];
751 u8 fixed[12]; /* WLAN management frame */
752 u8 iep[624];
753} BSSListRidExtra;
754
Linus Torvalds1da177e2005-04-16 15:20:36 -0700755typedef struct {
756 u16 len;
757 u16 index; /* First is 0 and 0xffff means end of list */
758#define RADIO_FH 1 /* Frequency hopping radio type */
759#define RADIO_DS 2 /* Direct sequence radio type */
760#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
761 u16 radioType;
762 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
763 u8 zero;
764 u8 ssidLen;
765 u8 ssid[32];
Dan Williams41480af2005-05-10 09:45:51 -0400766 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767#define CAP_ESS (1<<0)
768#define CAP_IBSS (1<<1)
769#define CAP_PRIVACY (1<<4)
770#define CAP_SHORTHDR (1<<5)
771 u16 cap;
772 u16 beaconInterval;
773 u8 rates[8]; /* Same as rates for config rid */
774 struct { /* For frequency hopping only */
775 u16 dwell;
776 u8 hopSet;
777 u8 hopPattern;
778 u8 hopIndex;
779 u8 fill;
780 } fh;
781 u16 dsChannel;
782 u16 atimWindow;
Dan Williams3c304952006-04-15 12:26:18 -0400783
784 /* Only present on firmware >= 5.30.17 */
785 BSSListRidExtra extra;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786} BSSListRid;
787
788typedef struct {
Dan Williams9e75af32006-03-16 13:46:29 -0500789 BSSListRid bss;
790 struct list_head list;
791} BSSListElement;
792
793typedef struct {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700794 u8 rssipct;
795 u8 rssidBm;
796} tdsRssiEntry;
797
798typedef struct {
799 u16 len;
800 tdsRssiEntry x[256];
801} tdsRssiRid;
802
803typedef struct {
804 u16 len;
805 u16 state;
806 u16 multicastValid;
807 u8 multicast[16];
808 u16 unicastValid;
809 u8 unicast[16];
810} MICRid;
811
812typedef struct {
813 u16 typelen;
814
815 union {
816 u8 snap[8];
817 struct {
818 u8 dsap;
819 u8 ssap;
820 u8 control;
821 u8 orgcode[3];
822 u8 fieldtype[2];
823 } llc;
824 } u;
825 u32 mic;
826 u32 seq;
827} MICBuffer;
828
829typedef struct {
830 u8 da[ETH_ALEN];
831 u8 sa[ETH_ALEN];
832} etherHead;
833
834#pragma pack()
835
836#define TXCTL_TXOK (1<<1) /* report if tx is ok */
837#define TXCTL_TXEX (1<<2) /* report if tx fails */
838#define TXCTL_802_3 (0<<3) /* 802.3 packet */
839#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
840#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
841#define TXCTL_LLC (1<<4) /* payload is llc */
842#define TXCTL_RELEASE (0<<5) /* release after completion */
843#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
844
845#define BUSY_FID 0x10000
846
847#ifdef CISCO_EXT
848#define AIROMAGIC 0xa55a
849/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
850#ifdef SIOCIWFIRSTPRIV
851#ifdef SIOCDEVPRIVATE
852#define AIROOLDIOCTL SIOCDEVPRIVATE
853#define AIROOLDIDIFC AIROOLDIOCTL + 1
854#endif /* SIOCDEVPRIVATE */
855#else /* SIOCIWFIRSTPRIV */
856#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
857#endif /* SIOCIWFIRSTPRIV */
858/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
859 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
860 * only and don't return the modified struct ifreq to the application which
861 * is usually a problem. - Jean II */
862#define AIROIOCTL SIOCIWFIRSTPRIV
863#define AIROIDIFC AIROIOCTL + 1
864
865/* Ioctl constants to be used in airo_ioctl.command */
866
867#define AIROGCAP 0 // Capability rid
868#define AIROGCFG 1 // USED A LOT
869#define AIROGSLIST 2 // System ID list
870#define AIROGVLIST 3 // List of specified AP's
871#define AIROGDRVNAM 4 // NOTUSED
872#define AIROGEHTENC 5 // NOTUSED
873#define AIROGWEPKTMP 6
874#define AIROGWEPKNV 7
875#define AIROGSTAT 8
876#define AIROGSTATSC32 9
877#define AIROGSTATSD32 10
878#define AIROGMICRID 11
879#define AIROGMICSTATS 12
880#define AIROGFLAGS 13
881#define AIROGID 14
882#define AIRORRID 15
883#define AIRORSWVERSION 17
884
885/* Leave gap of 40 commands after AIROGSTATSD32 for future */
886
887#define AIROPCAP AIROGSTATSD32 + 40
888#define AIROPVLIST AIROPCAP + 1
889#define AIROPSLIST AIROPVLIST + 1
890#define AIROPCFG AIROPSLIST + 1
891#define AIROPSIDS AIROPCFG + 1
892#define AIROPAPLIST AIROPSIDS + 1
893#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
894#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
895#define AIROPSTCLR AIROPMACOFF + 1
896#define AIROPWEPKEY AIROPSTCLR + 1
897#define AIROPWEPKEYNV AIROPWEPKEY + 1
898#define AIROPLEAPPWD AIROPWEPKEYNV + 1
899#define AIROPLEAPUSR AIROPLEAPPWD + 1
900
901/* Flash codes */
902
903#define AIROFLSHRST AIROPWEPKEYNV + 40
904#define AIROFLSHGCHR AIROFLSHRST + 1
905#define AIROFLSHSTFL AIROFLSHGCHR + 1
906#define AIROFLSHPCHR AIROFLSHSTFL + 1
907#define AIROFLPUTBUF AIROFLSHPCHR + 1
908#define AIRORESTART AIROFLPUTBUF + 1
909
910#define FLASHSIZE 32768
911#define AUXMEMSIZE (256 * 1024)
912
913typedef struct aironet_ioctl {
914 unsigned short command; // What to do
915 unsigned short len; // Len of data
916 unsigned short ridnum; // rid number
917 unsigned char __user *data; // d-data
918} aironet_ioctl;
919
Domen Puncer62595eb2005-06-20 23:54:37 +0200920static char swversion[] = "2.1";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700921#endif /* CISCO_EXT */
922
923#define NUM_MODULES 2
924#define MIC_MSGLEN_MAX 2400
925#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
Dan Williams15db2762006-03-16 13:46:27 -0500926#define AIRO_DEF_MTU 2312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700927
928typedef struct {
929 u32 size; // size
930 u8 enabled; // MIC enabled or not
931 u32 rxSuccess; // successful packets received
932 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
933 u32 rxNotMICed; // pkts dropped due to not being MIC'd
934 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
935 u32 rxWrongSequence; // pkts dropped due to sequence number violation
936 u32 reserve[32];
937} mic_statistics;
938
939typedef struct {
940 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
941 u64 accum; // accumulated mic, reduced to u32 in final()
942 int position; // current position (byte offset) in message
943 union {
944 u8 d8[4];
945 u32 d32;
946 } part; // saves partial message word across update() calls
947} emmh32_context;
948
949typedef struct {
950 emmh32_context seed; // Context - the seed
951 u32 rx; // Received sequence number
952 u32 tx; // Tx sequence number
953 u32 window; // Start of window
954 u8 valid; // Flag to say if context is valid or not
955 u8 key[16];
956} miccntx;
957
958typedef struct {
959 miccntx mCtx; // Multicast context
960 miccntx uCtx; // Unicast context
961} mic_module;
962
963typedef struct {
964 unsigned int rid: 16;
965 unsigned int len: 15;
966 unsigned int valid: 1;
967 dma_addr_t host_addr;
968} Rid;
969
970typedef struct {
971 unsigned int offset: 15;
972 unsigned int eoc: 1;
973 unsigned int len: 15;
974 unsigned int valid: 1;
975 dma_addr_t host_addr;
976} TxFid;
977
978typedef struct {
979 unsigned int ctl: 15;
980 unsigned int rdy: 1;
981 unsigned int len: 15;
982 unsigned int valid: 1;
983 dma_addr_t host_addr;
984} RxFid;
985
986/*
987 * Host receive descriptor
988 */
989typedef struct {
990 unsigned char __iomem *card_ram_off; /* offset into card memory of the
991 desc */
992 RxFid rx_desc; /* card receive descriptor */
993 char *virtual_host_addr; /* virtual address of host receive
994 buffer */
995 int pending;
996} HostRxDesc;
997
998/*
999 * Host transmit descriptor
1000 */
1001typedef struct {
1002 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1003 desc */
1004 TxFid tx_desc; /* card transmit descriptor */
1005 char *virtual_host_addr; /* virtual address of host receive
1006 buffer */
1007 int pending;
1008} HostTxDesc;
1009
1010/*
1011 * Host RID descriptor
1012 */
1013typedef struct {
1014 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1015 descriptor */
1016 Rid rid_desc; /* card RID descriptor */
1017 char *virtual_host_addr; /* virtual address of host receive
1018 buffer */
1019} HostRidDesc;
1020
1021typedef struct {
1022 u16 sw0;
1023 u16 sw1;
1024 u16 status;
1025 u16 len;
1026#define HOST_SET (1 << 0)
1027#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1028#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1029#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1030#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1031#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1032#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1033#define HOST_RTS (1 << 9) /* Force RTS use */
1034#define HOST_SHORT (1 << 10) /* Do short preamble */
1035 u16 ctl;
1036 u16 aid;
1037 u16 retries;
1038 u16 fill;
1039} TxCtlHdr;
1040
1041typedef struct {
1042 u16 ctl;
1043 u16 duration;
1044 char addr1[6];
1045 char addr2[6];
1046 char addr3[6];
1047 u16 seq;
1048 char addr4[6];
1049} WifiHdr;
1050
1051
1052typedef struct {
1053 TxCtlHdr ctlhdr;
1054 u16 fill1;
1055 u16 fill2;
1056 WifiHdr wifihdr;
1057 u16 gaplen;
1058 u16 status;
1059} WifiCtlHdr;
1060
Jouni Malinenff1d2762005-05-12 22:54:16 -04001061static WifiCtlHdr wifictlhdr8023 = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001062 .ctlhdr = {
1063 .ctl = HOST_DONT_RLSE,
1064 }
1065};
1066
Linus Torvalds1da177e2005-04-16 15:20:36 -07001067// Frequency list (map channels to frequencies)
1068static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1069 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1070
1071// A few details needed for WEP (Wireless Equivalent Privacy)
1072#define MAX_KEY_SIZE 13 // 128 (?) bits
1073#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1074typedef struct wep_key_t {
1075 u16 len;
1076 u8 key[16]; /* 40-bit and 104-bit keys */
1077} wep_key_t;
1078
1079/* Backward compatibility */
1080#ifndef IW_ENCODE_NOKEY
1081#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1082#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1083#endif /* IW_ENCODE_NOKEY */
1084
1085/* List of Wireless Handlers (new API) */
1086static const struct iw_handler_def airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001087
1088static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1089
1090struct airo_info;
1091
1092static int get_dec_u16( char *buffer, int *start, int limit );
1093static void OUT4500( struct airo_info *, u16 register, u16 value );
1094static unsigned short IN4500( struct airo_info *, u16 register );
1095static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1096static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1097static void disable_MAC(struct airo_info *ai, int lock);
1098static void enable_interrupts(struct airo_info*);
1099static void disable_interrupts(struct airo_info*);
1100static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1101static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1102static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1103 int whichbap);
1104static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1105 int whichbap);
1106static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1107 int whichbap);
1108static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1109static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1110static int PC4500_writerid(struct airo_info*, u16 rid, const void
1111 *pBuf, int len, int lock);
1112static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1113 int len, int dummy );
1114static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1115static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1116static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1117
1118static int mpi_send_packet (struct net_device *dev);
1119static void mpi_unmap_card(struct pci_dev *pci);
1120static void mpi_receive_802_3(struct airo_info *ai);
1121static void mpi_receive_802_11(struct airo_info *ai);
1122static int waitbusy (struct airo_info *ai);
1123
David Howells7d12e782006-10-05 14:55:46 +01001124static irqreturn_t airo_interrupt( int irq, void* dev_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001125static int airo_thread(void *data);
1126static void timer_func( struct net_device *dev );
1127static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001128static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001129static void airo_read_wireless_stats (struct airo_info *local);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130#ifdef CISCO_EXT
1131static int readrids(struct net_device *dev, aironet_ioctl *comp);
1132static int writerids(struct net_device *dev, aironet_ioctl *comp);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001133static int flashcard(struct net_device *dev, aironet_ioctl *comp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001134#endif /* CISCO_EXT */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001135static void micinit(struct airo_info *ai);
1136static int micsetup(struct airo_info *ai);
1137static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1138static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1139
Dan Williams41480af2005-05-10 09:45:51 -04001140static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1141static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1142
Dan Williams9e75af32006-03-16 13:46:29 -05001143static void airo_networks_free(struct airo_info *ai);
1144
Linus Torvalds1da177e2005-04-16 15:20:36 -07001145struct airo_info {
1146 struct net_device_stats stats;
1147 struct net_device *dev;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1150#define MAX_FIDS 6
1151#define MPI_MAX_FIDS 1
1152 int fids[MAX_FIDS];
1153 ConfigRid config;
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160#define FLAG_RADIO_MASK 0x03
1161#define FLAG_ENABLED 2
1162#define FLAG_ADHOC 3 /* Needed by MIC */
1163#define FLAG_MIC_CAPABLE 4
1164#define FLAG_UPDATE_MULTI 5
1165#define FLAG_UPDATE_UNI 6
1166#define FLAG_802_11 7
Dan Williams3c304952006-04-15 12:26:18 -04001167#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001168#define FLAG_PENDING_XMIT 9
1169#define FLAG_PENDING_XMIT11 10
1170#define FLAG_MPI 11
1171#define FLAG_REGISTERED 12
1172#define FLAG_COMMIT 13
1173#define FLAG_RESET 14
1174#define FLAG_FLASHING 15
Dan Williams3c304952006-04-15 12:26:18 -04001175#define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1177#define JOB_DIE 0
1178#define JOB_XMIT 1
1179#define JOB_XMIT11 2
1180#define JOB_STATS 3
1181#define JOB_PROMISC 4
1182#define JOB_MIC 5
1183#define JOB_EVENT 6
1184#define JOB_AUTOWEP 7
1185#define JOB_WSTATS 8
1186#define JOB_SCAN_RESULTS 9
1187 unsigned long jobs;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 int whichbap);
1190 unsigned short *flash;
1191 tdsRssiEntry *rssi;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194 struct semaphore sem;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001195 wait_queue_head_t thr_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196 unsigned long expires;
1197 struct {
1198 struct sk_buff *skb;
1199 int fid;
1200 } xmit, xmit11;
1201 struct net_device *wifidev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001202 struct iw_statistics wstats; // wireless stats
Dan Williams9e75af32006-03-16 13:46:29 -05001203 unsigned long scan_timeout; /* Time scan should be read */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206 /* MIC stuff */
Herbert Xuf12cc202006-08-22 20:36:13 +10001207 struct crypto_cipher *tfm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208 mic_module mod[2];
1209 mic_statistics micstats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
Pavel Machek1cc68ae2005-06-20 15:33:04 -07001220 pm_message_t power;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221 SsidRid *SSID;
1222 APListRid *APList;
1223#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
Dan Williams9e75af32006-03-16 13:46:29 -05001225
Dan Williams3c304952006-04-15 12:26:18 -04001226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1230
Dan Williams9e75af32006-03-16 13:46:29 -05001231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001234};
1235
1236static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 int whichbap) {
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1239}
1240
1241static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245
Jouni Malinenff1d2762005-05-12 22:54:16 -04001246static int cmdreset(struct airo_info *ai);
1247static int setflashmode (struct airo_info *ai);
1248static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249static int flashputbuf(struct airo_info *ai);
1250static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251
Dan Williams934d8bf2006-03-16 13:46:23 -05001252#define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254
1255#define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1257
1258#define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1260
1261#define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1263
1264#define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1266
1267
Linus Torvalds1da177e2005-04-16 15:20:36 -07001268/***********************************************************************
1269 * MIC ROUTINES *
1270 ***********************************************************************
1271 */
1272
1273static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274static void MoveWindow(miccntx *context, u32 micSeq);
Herbert Xuf12cc202006-08-22 20:36:13 +10001275static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001277static void emmh32_init(emmh32_context *context);
1278static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001281
1282/* micinit - Initialize mic seed */
1283
1284static void micinit(struct airo_info *ai)
1285{
1286 MICRid mic_rid;
1287
Dan Williams3c304952006-04-15 12:26:18 -04001288 clear_bit(JOB_MIC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 up(&ai->sem);
1291
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 }
1311
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 }
1329 } else {
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1332 */
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1335 }
1336}
1337
1338/* micsetup - Get ready for business */
1339
1340static int micsetup(struct airo_info *ai) {
1341 int i;
1342
1343 if (ai->tfm == NULL)
Herbert Xuf12cc202006-08-22 20:36:13 +10001344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001345
Herbert Xuf12cc202006-08-22 20:36:13 +10001346 if (IS_ERR(ai->tfm)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001347 airo_print_err(ai->dev->name, "failed to load transform for AES");
Herbert Xuf12cc202006-08-22 20:36:13 +10001348 ai->tfm = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001349 return ERROR;
1350 }
1351
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1355 }
1356 return SUCCESS;
1357}
1358
Jouni Malinenff1d2762005-05-12 22:54:16 -04001359static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
Linus Torvalds1da177e2005-04-16 15:20:36 -07001360
1361/*===========================================================================
1362 * Description: Mic a packet
1363 *
1364 * Inputs: etherHead * pointer to an 802.3 frame
1365 *
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1368 *
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1372 *
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1375 */
1376
1377static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378{
1379 miccntx *context;
1380
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1383
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1386 else
1387 context = &ai->mod[0].uCtx;
1388
1389 if (!context->valid)
1390 return ERROR;
1391
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395
1396 // Add Tx sequence
1397 mic->seq = htonl(context->tx);
1398 context->tx += 2;
1399
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1406
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1409 return SUCCESS;
1410}
1411
1412typedef enum {
1413 NONE,
1414 NOMIC,
1415 NOMICPLUMMED,
1416 SEQUENCE,
1417 INCORRECTMIC,
1418} mic_error;
1419
1420/*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1423 *
1424 * Inputs: etherHead pointer to the 802.3 packet
1425 *
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 *
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1431 */
1432
1433static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1434{
1435 int i;
1436 u32 micSEQ;
1437 miccntx *context;
1438 u8 digest[4];
1439 mic_error micError = NONE;
1440
1441 // Check if the packet is a Mic'd packet
1442
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1447 return ERROR;
1448 }
1449 return SUCCESS;
1450 }
1451
1452 if (ntohs(mic->typelen) == 0x888E)
1453 return SUCCESS;
1454
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1458 return ERROR;
1459 }
1460
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1465
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1469 return ERROR;
1470 }
1471
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476
1477 //Make sure context is valid
1478 if (!context->valid) {
1479 if (i == 0)
1480 micError = NOMICPLUMMED;
1481 continue;
1482 }
1483 //DeMic it
1484
1485 if (!mic->typelen)
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 //Calculate MIC
1494 emmh32_final(&context->seed, digest);
1495
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 //Invalid Mic
1498 if (i == 0)
1499 micError = INCORRECTMIC;
1500 continue;
1501 }
1502
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1506 return SUCCESS;
1507 }
1508 if (i == 0)
1509 micError = SEQUENCE;
1510 }
1511
1512 // Update statistics
1513 switch (micError) {
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1517 case NONE: break;
1518 case NOMIC: break;
1519 }
1520 return ERROR;
1521}
1522
1523/*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1526 *
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1529 *
1530 * Returns: TRUE if valid otherwise FALSE.
1531 *
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1535 */
1536
1537static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538{
1539 u32 seq,index;
1540
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1543
1544 if (mcast) {
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1549 }
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1554 }
1555
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1558
1559 //Too old of a SEQ number to check.
1560 if ((s32)seq < 0)
1561 return ERROR;
1562
1563 if ( seq > 64 ) {
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1566 return SUCCESS;
1567 }
1568
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1572
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1577
1578 MoveWindow(context,micSeq);
1579
1580 return SUCCESS;
1581 }
1582 return ERROR;
1583}
1584
1585static void MoveWindow(miccntx *context, u32 micSeq)
1586{
1587 u32 shift;
1588
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1592
1593 //Shift out old
1594 if (shift < 32)
1595 context->rx >>= shift;
1596 else
1597 context->rx = 0;
1598
1599 context->window = micSeq; //Move window
1600 }
1601}
1602
1603/*==============================================*/
1604/*========== EMMH ROUTINES ====================*/
1605/*==============================================*/
1606
1607/* mic accumulate */
1608#define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610
1611static unsigned char aes_counter[16];
1612
1613/* expand the key to fill the MMH coefficient array */
Herbert Xuf12cc202006-08-22 20:36:13 +10001614static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001616{
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1619
1620 int i,j;
1621 u32 counter;
1622 u8 *cipher, plain[16];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001623
1624 crypto_cipher_setkey(tfm, pkey, 16);
1625 counter = 0;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001626 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1631 counter++;
1632 memcpy (plain, aes_counter, 16);
Herbert Xuf12cc202006-08-22 20:36:13 +10001633 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 cipher = plain;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001635 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1637 j += 4;
1638 }
1639 }
1640}
1641
1642/* prepare for calculation of a new mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001643static void emmh32_init(emmh32_context *context)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001644{
1645 /* prepare for new mic calculation */
1646 context->accum = 0;
1647 context->position = 0;
1648}
1649
1650/* add some bytes to the mic calculation */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001651static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001652{
1653 int coeff_position, byte_position;
1654
1655 if (len == 0) return;
1656
1657 coeff_position = context->position >> 2;
1658
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1663 do {
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1667 len--;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1670 }
1671
1672 /* deal with full 32-bit words */
1673 while (len >= 4) {
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1676 pOctets += 4;
1677 len -= 4;
1678 }
1679
1680 /* deal with partial 32-bit word that will be left over from this update */
1681 byte_position = 0;
1682 while (len > 0) {
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 }
1687}
1688
1689/* mask used to zero empty bytes for final partial word */
1690static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691
1692/* calculate the mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001693static void emmh32_final(emmh32_context *context, u8 digest[4])
Linus Torvalds1da177e2005-04-16 15:20:36 -07001694{
1695 int coeff_position, byte_position;
1696 u32 val;
1697
1698 u64 sum, utmp;
1699 s64 stmp;
1700
1701 coeff_position = context->position >> 2;
1702
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 }
1710
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1717 sum -= 15;
1718
1719 val = (u32)sum;
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1724}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001725
1726static int readBSSListRid(struct airo_info *ai, int first,
1727 BSSListRid *list) {
1728 int rc;
Dan Williams3c304952006-04-15 12:26:18 -04001729 Cmd cmd;
1730 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001731
1732 if (first == 1) {
Dan Williams3c304952006-04-15 12:26:18 -04001733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001738 ai->list_bss_task = current;
Dan Williams3c304952006-04-15 12:26:18 -04001739 issuecommand(ai, &cmd, &rsp);
1740 up(&ai->sem);
1741 /* Let the command take effect */
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04001744 }
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001747
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
Dan Williams41480af2005-05-10 09:45:51 -04001756 list->dBm = le16_to_cpu(list->dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001757 return rc;
1758}
1759
1760static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1763
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1767 return rc;
1768}
1769/* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 int rc;
1773 WepKeyRid wkr = *pwkr;
1774
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
Dan Williams934d8bf2006-03-16 13:46:23 -05001779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001780 if (perm) {
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001784 }
1785 }
1786 return rc;
1787}
1788
1789static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int i;
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1796 }
1797 return rc;
1798}
1799static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 int rc;
1801 int i;
1802 SsidRid ssidr = *pssidr;
1803
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 }
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 return rc;
1810}
1811static int readConfigRid(struct airo_info*ai, int lock) {
1812 int rc;
1813 u16 *s;
1814 ConfigRid cfg;
1815
1816 if (ai->config.len)
1817 return SUCCESS;
1818
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1820 if (rc != SUCCESS)
1821 return rc;
1822
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1827
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1830
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1833
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1836
1837 ai->config = cfg;
1838 return SUCCESS;
1839}
1840static inline void checkThrottle(struct airo_info *ai) {
1841 int i;
1842/* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1847 }
1848 }
1849 }
1850}
1851static int writeConfigRid(struct airo_info*ai, int lock) {
1852 u16 *s;
1853 ConfigRid cfgr;
1854
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 return SUCCESS;
1857
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1860 checkThrottle(ai);
1861 cfgr = ai->config;
1862
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1865 else
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1867
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1872
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1875
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1878
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1881
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883}
1884static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 u16 *s;
1887
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 return rc;
1896}
1897static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1900 return rc;
1901}
1902static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 int rc;
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 return rc;
1907}
1908static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 u16 *s;
1911
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1918 return rc;
1919}
1920static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 u32 *i;
1923
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1926 return rc;
1927}
1928
1929static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1931 Resp rsp;
1932
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1934 return -EIO;
1935
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1943 }
1944
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1949 }
1950 enable_MAC(info, &rsp, 1);
1951
1952 netif_start_queue(dev);
1953 return 0;
1954}
1955
1956static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1960
1961 if (!skb) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001963 return 0;
1964 }
1965 npacks = skb_queue_len (&ai->txq);
1966
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1971 return 1;
1972 }
1973 skb_queue_tail (&ai->txq, skb);
1974 return 0;
1975 }
1976
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1982
1983 if (pending == 0) {
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1986 }
1987 return 0;
1988}
1989
1990/*
1991 * @mpi_send_packet
1992 *
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1995 */
1996
1997static int mpi_send_packet (struct net_device *dev)
1998{
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2003 u8 *sendbuf;
2004
2005 /* get a packet to send */
2006
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002010 __FUNCTION__);
2011 return 0;
2012 }
2013
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2016 buffer = skb->data;
2017
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2022
2023/*
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2029 */
2030
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2038
2039 /*
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2042 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2045 MICBuffer pMic;
2046
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2048 return ERROR;
2049
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
Adrian Bunka39d3e72006-01-21 01:35:15 +01002059 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061
2062 dev->trans_start = jiffies;
2063
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2066 }
2067
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070
2071 OUT4500(ai, EVACK, 8);
2072
2073 dev_kfree_skb_any(skb);
2074 return 1;
2075}
2076
Gabriel A. Devenyi29b09fc2005-11-03 19:30:47 -05002077static void get_tx_error(struct airo_info *ai, s32 fid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002078{
2079 u16 status;
2080
2081 if (fid < 0)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 else {
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 return;
2086 bap_read(ai, &status, 2, BAP0);
2087 }
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 { }
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 { }
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2105 char junk[0x18];
2106
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2119 * - Jean II */
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2122
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2125 }
2126}
2127
2128static void airo_end_xmit(struct net_device *dev) {
2129 u16 status;
2130 int i;
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2135
Dan Williams3c304952006-04-15 12:26:18 -04002136 clear_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2139 up(&priv->sem);
2140
2141 i = 0;
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 } else {
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2148 }
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2151 dev_kfree_skb(skb);
2152}
2153
2154static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2155 s16 len;
2156 int i, j;
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2159
2160 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002162 return 0;
2163 }
2164
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2171
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2174 return 1;
2175 }
2176 }
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2182 priv->xmit.fid = i;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002186 set_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002187 wake_up_interruptible(&priv->thr_wait);
2188 } else
2189 airo_end_xmit(dev);
2190 return 0;
2191}
2192
2193static void airo_end_xmit11(struct net_device *dev) {
2194 u16 status;
2195 int i;
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2200
Dan Williams3c304952006-04-15 12:26:18 -04002201 clear_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2204 up(&priv->sem);
2205
2206 i = MAX_FIDS / 2;
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 } else {
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2213 }
2214 if (i < MAX_FIDS)
2215 netif_wake_queue(dev);
2216 dev_kfree_skb(skb);
2217}
2218
2219static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2220 s16 len;
2221 int i, j;
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2224
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2228 return -ENETDOWN;
2229 }
2230
2231 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002233 return 0;
2234 }
2235
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2242
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2245 return 1;
2246 }
2247 }
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002257 set_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002258 wake_up_interruptible(&priv->thr_wait);
2259 } else
2260 airo_end_xmit11(dev);
2261 return 0;
2262}
2263
2264static void airo_read_stats(struct airo_info *ai) {
2265 StatsRid stats_rid;
2266 u32 *vals = stats_rid.vals;
2267
Dan Williams3c304952006-04-15 12:26:18 -04002268 clear_bit(JOB_STATS, &ai->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07002269 if (ai->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002270 up(&ai->sem);
2271 return;
2272 }
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2274 up(&ai->sem);
2275
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2284
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2290}
2291
Jouni Malinenff1d2762005-05-12 22:54:16 -04002292static struct net_device_stats *airo_get_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002293{
2294 struct airo_info *local = dev->priv;
2295
Dan Williams3c304952006-04-15 12:26:18 -04002296 if (!test_bit(JOB_STATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002299 set_bit(JOB_STATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002300 wake_up_interruptible(&local->thr_wait);
2301 } else
2302 airo_read_stats(local);
2303 }
2304
2305 return &local->stats;
2306}
2307
2308static void airo_set_promisc(struct airo_info *ai) {
2309 Cmd cmd;
2310 Resp rsp;
2311
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
Dan Williams3c304952006-04-15 12:26:18 -04002314 clear_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2317 up(&ai->sem);
2318}
2319
2320static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2322
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002326 set_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002327 wake_up_interruptible(&ai->thr_wait);
2328 } else
2329 airo_set_promisc(ai);
2330 }
2331
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2334 }
2335}
2336
2337static int airo_set_mac_address(struct net_device *dev, void *p)
2338{
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2341 Resp rsp;
2342
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2346 disable_MAC(ai, 1);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 if (ai->wifidev)
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2352 return 0;
2353}
2354
2355static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356{
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2358 return -EINVAL;
2359 dev->mtu = new_mtu;
2360 return 0;
2361}
2362
2363
2364static int airo_close(struct net_device *dev) {
2365 struct airo_info *ai = dev->priv;
2366
2367 netif_stop_queue(dev);
2368
2369 if (ai->wifidev != dev) {
2370#ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2377 disable_MAC(ai, 1);
2378#endif
2379 disable_interrupts( ai );
2380 }
2381 return 0;
2382}
2383
2384static void del_airo_dev( struct net_device *dev );
2385
2386void stop_airo_card( struct net_device *dev, int freeres )
2387{
2388 struct airo_info *ai = dev->priv;
2389
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_MAC(ai, 1);
2392 disable_interrupts(ai);
2393 free_irq( dev->irq, dev );
2394 takedown_proc_entry( dev, ai );
2395 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2396 unregister_netdev( dev );
2397 if (ai->wifidev) {
2398 unregister_netdev(ai->wifidev);
2399 free_netdev(ai->wifidev);
2400 ai->wifidev = NULL;
2401 }
2402 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 }
Dan Williams3c304952006-04-15 12:26:18 -04002404 set_bit(JOB_DIE, &ai->jobs);
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07002405 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002406
2407 /*
2408 * Clean out tx queue
2409 */
David S. Millerb03efcf2005-07-08 14:57:23 -07002410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2413 dev_kfree_skb(skb);
2414 }
2415
Dan Williams9e75af32006-03-16 13:46:29 -05002416 airo_networks_free (ai);
2417
Jesper Juhlb4558ea2005-10-28 16:53:13 -04002418 kfree(ai->flash);
2419 kfree(ai->rssi);
2420 kfree(ai->APList);
2421 kfree(ai->SSID);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002422 if (freeres) {
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2426 if (ai->pci)
2427 mpi_unmap_card(ai->pci);
2428 if (ai->pcimem)
2429 iounmap(ai->pcimem);
2430 if (ai->pciaux)
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2434 }
2435 }
Herbert Xuf12cc202006-08-22 20:36:13 +10002436 crypto_free_cipher(ai->tfm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002437 del_airo_dev( dev );
2438 free_netdev( dev );
2439}
2440
2441EXPORT_SYMBOL(stop_airo_card);
2442
2443static int add_airo_dev( struct net_device *dev );
2444
Jouni Malinenff1d2762005-05-12 22:54:16 -04002445static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002446{
2447 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2448 return ETH_ALEN;
2449}
2450
2451static void mpi_unmap_card(struct pci_dev *pci)
2452{
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2457
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2460}
2461
2462/*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2468 */
2469static int mpi_init_descriptors (struct airo_info *ai)
2470{
2471 Cmd cmd;
2472 Resp rsp;
2473 int i;
2474 int rc = SUCCESS;
2475
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2478
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2481
2482 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm0 = FID_RX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002489 return rc;
2490 }
2491
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2495 }
2496
2497 /* Alloc card TX descriptors */
2498
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2501
2502 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm0 = FID_TX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2506
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2511 }
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2513
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002517 return rc;
2518 }
2519
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2523
2524 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm0 = RID_RW;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002531 return rc;
2532 }
2533
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2536
2537 return rc;
2538}
2539
2540/*
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2545 */
2546static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2547 const char *name)
2548{
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2550 int rc = -1;
2551 int i;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002554 unsigned char __iomem *pciaddroff;
2555
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2560
2561 if (!request_mem_region(mem_start, mem_len, name)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002563 (int)mem_start, (int)mem_len, name);
2564 goto out;
2565 }
2566 if (!request_mem_region(aux_start, aux_len, name)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002568 (int)aux_start, (int)aux_len, name);
2569 goto free_region1;
2570 }
2571
2572 ai->pcimem = ioremap(mem_start, mem_len);
2573 if (!ai->pcimem) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002575 (int)mem_start, (int)mem_len, name);
2576 goto free_region2;
2577 }
2578 ai->pciaux = ioremap(aux_start, aux_len);
2579 if (!ai->pciaux) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002581 (int)aux_start, (int)aux_len, name);
2582 goto free_memmap;
2583 }
2584
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2587 if (!ai->shared) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002589 PCI_SHARED_LEN);
2590 goto free_auxmap;
2591 }
2592
2593 /*
2594 * Setup descriptor RX, TX, CONFIG
2595 */
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002596 busaddroff = ai->shared_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2599
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2609
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2613 }
2614
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002620 ai->txfids[i].tx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2623
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2627 }
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2629
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2641
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2644 goto free_shared;
2645
2646 return 0;
2647 free_shared:
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2649 free_auxmap:
2650 iounmap(ai->pciaux);
2651 free_memmap:
2652 iounmap(ai->pcimem);
2653 free_region2:
2654 release_mem_region(aux_start, aux_len);
2655 free_region1:
2656 release_mem_region(mem_start, mem_len);
2657 out:
2658 return rc;
2659}
2660
2661static void wifi_setup(struct net_device *dev)
2662{
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2667
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002673 dev->wireless_handlers = &airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2677
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
Dan Williams15db2762006-03-16 13:46:27 -05002680 dev->mtu = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2683
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2685
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2687}
2688
2689static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2691{
2692 int err;
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2694 if (!dev)
2695 return NULL;
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002699 dev->wireless_data = ethdev->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2702 if (err<0) {
2703 free_netdev(dev);
2704 return NULL;
2705 }
2706 return dev;
2707}
2708
Jouni Malinenff1d2762005-05-12 22:54:16 -04002709static int reset_card( struct net_device *dev , int lock) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002710 struct airo_info *ai = dev->priv;
2711
2712 if (lock && down_interruptible(&ai->sem))
2713 return -1;
2714 waitbusy (ai);
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2716 msleep(200);
2717 waitbusy (ai);
2718 msleep(200);
2719 if (lock)
2720 up(&ai->sem);
2721 return 0;
2722}
2723
Dan Williams3c304952006-04-15 12:26:18 -04002724#define AIRO_MAX_NETWORK_COUNT 64
Dan Williams9e75af32006-03-16 13:46:29 -05002725static int airo_networks_allocate(struct airo_info *ai)
2726{
2727 if (ai->networks)
2728 return 0;
2729
2730 ai->networks =
Dan Williams3c304952006-04-15 12:26:18 -04002731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
Dan Williams9e75af32006-03-16 13:46:29 -05002732 GFP_KERNEL);
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2735 return -ENOMEM;
2736 }
2737
2738 return 0;
2739}
2740
2741static void airo_networks_free(struct airo_info *ai)
2742{
2743 if (!ai->networks)
2744 return;
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2747}
2748
2749static void airo_networks_initialize(struct airo_info *ai)
2750{
2751 int i;
2752
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
Dan Williams3c304952006-04-15 12:26:18 -04002755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
Dan Williams9e75af32006-03-16 13:46:29 -05002756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2758}
2759
Dan Williams3c304952006-04-15 12:26:18 -04002760static int airo_test_wpa_capable(struct airo_info *ai)
2761{
2762 int status;
2763 CapabilityRid cap_rid;
2764 const char *name = ai->dev->name;
2765
2766 status = readCapabilityRid(ai, &cap_rid, 1);
2767 if (status != SUCCESS) return 0;
2768
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid.softVer > 0x530)
Michal Schmidt0c6157a2006-05-02 23:29:55 +02002771 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
Dan Williams3c304952006-04-15 12:26:18 -04002772 airo_print_info(name, "WPA is supported.");
2773 return 1;
2774 }
2775
2776 /* No WPA support */
2777 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2779 return 0;
2780}
2781
Jouni Malinenff1d2762005-05-12 22:54:16 -04002782static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
Linus Torvalds1da177e2005-04-16 15:20:36 -07002785{
2786 struct net_device *dev;
2787 struct airo_info *ai;
2788 int i, rc;
2789
2790 /* Create the network device object. */
2791 dev = alloc_etherdev(sizeof(*ai));
2792 if (!dev) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002793 airo_print_err("", "Couldn't alloc_etherdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002794 return NULL;
2795 }
2796 if (dev_alloc_name(dev, dev->name) < 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002797 airo_print_err("", "Couldn't get name!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002798 goto err_out_free;
2799 }
2800
2801 ai = dev->priv;
2802 ai->wifidev = NULL;
2803 ai->flags = 0;
Dan Williams3c304952006-04-15 12:26:18 -04002804 ai->jobs = 0;
Dan Williams934d8bf2006-03-16 13:46:23 -05002805 ai->dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002807 airo_print_dbg(dev->name, "Found an MPI350 card");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002808 set_bit(FLAG_MPI, &ai->flags);
2809 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002810 spin_lock_init(&ai->aux_lock);
2811 sema_init(&ai->sem, 1);
2812 ai->config.len = 0;
2813 ai->pci = pci;
2814 init_waitqueue_head (&ai->thr_wait);
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07002815 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2816 if (IS_ERR(ai->airo_thread_task))
Linus Torvalds1da177e2005-04-16 15:20:36 -07002817 goto err_out_free;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002818 ai->tfm = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002819 rc = add_airo_dev( dev );
2820 if (rc)
2821 goto err_out_thr;
2822
Dan Williams9e75af32006-03-16 13:46:29 -05002823 if (airo_networks_allocate (ai))
2824 goto err_out_unlink;
2825 airo_networks_initialize (ai);
2826
Linus Torvalds1da177e2005-04-16 15:20:36 -07002827 /* The Airo-specific entries in the device structure. */
2828 if (test_bit(FLAG_MPI,&ai->flags)) {
2829 skb_queue_head_init (&ai->txq);
2830 dev->hard_start_xmit = &mpi_start_xmit;
2831 } else
2832 dev->hard_start_xmit = &airo_start_xmit;
2833 dev->get_stats = &airo_get_stats;
2834 dev->set_multicast_list = &airo_set_multicast_list;
2835 dev->set_mac_address = &airo_set_mac_address;
2836 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002837 dev->wireless_handlers = &airo_handler_def;
2838 ai->wireless_data.spy_data = &ai->spy_data;
2839 dev->wireless_data = &ai->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002840 dev->change_mtu = &airo_change_mtu;
2841 dev->open = &airo_open;
2842 dev->stop = &airo_close;
2843 dev->irq = irq;
2844 dev->base_addr = port;
2845
2846 SET_NETDEV_DEV(dev, dmdev);
2847
Matthieu CASTET1d97f382005-12-01 02:35:26 -05002848 reset_card (dev, 1);
2849 msleep(400);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002850
Thomas Gleixner1fb9df52006-07-01 19:29:39 -07002851 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002852 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002853 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2854 irq, rc);
Michal Schmidt4d881902007-03-16 12:42:59 +01002855 goto err_out_nets;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002856 }
2857 if (!is_pcmcia) {
2858 if (!request_region( dev->base_addr, 64, dev->name )) {
2859 rc = -EBUSY;
Dan Williams934d8bf2006-03-16 13:46:23 -05002860 airo_print_err(dev->name, "Couldn't request region");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002861 goto err_out_irq;
2862 }
2863 }
2864
2865 if (test_bit(FLAG_MPI,&ai->flags)) {
2866 if (mpi_map_card(ai, pci, dev->name)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002867 airo_print_err(dev->name, "Could not map memory");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002868 goto err_out_res;
2869 }
2870 }
2871
2872 if (probe) {
2873 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002874 airo_print_err(dev->name, "MAC could not be enabled" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002875 rc = -EIO;
2876 goto err_out_map;
2877 }
2878 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2879 ai->bap_read = fast_bap_read;
2880 set_bit(FLAG_FLASHING, &ai->flags);
2881 }
2882
Dan Williams3c304952006-04-15 12:26:18 -04002883 /* Test for WPA support */
2884 if (airo_test_wpa_capable(ai)) {
2885 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2886 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2887 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2888 ai->bssListRidLen = sizeof(BSSListRid);
2889 } else {
2890 ai->bssListFirst = RID_BSSLISTFIRST;
2891 ai->bssListNext = RID_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2893 }
2894
Linus Torvalds1da177e2005-04-16 15:20:36 -07002895 rc = register_netdev(dev);
2896 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002897 airo_print_err(dev->name, "Couldn't register_netdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002898 goto err_out_map;
2899 }
2900 ai->wifidev = init_wifidev(ai, dev);
Florin Malita431aca52006-10-10 16:46:30 -04002901 if (!ai->wifidev)
2902 goto err_out_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05002905 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002906 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2907 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2908
2909 /* Allocate the transmit buffers */
2910 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2911 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002912 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002913
Florin Malita431aca52006-10-10 16:46:30 -04002914 if (setup_proc_entry(dev, dev->priv) < 0)
2915 goto err_out_wifi;
2916
Linus Torvalds1da177e2005-04-16 15:20:36 -07002917 netif_start_queue(dev);
2918 SET_MODULE_OWNER(dev);
2919 return dev;
2920
Florin Malita431aca52006-10-10 16:46:30 -04002921err_out_wifi:
2922 unregister_netdev(ai->wifidev);
2923 free_netdev(ai->wifidev);
2924err_out_reg:
2925 unregister_netdev(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002926err_out_map:
2927 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2928 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2929 iounmap(ai->pciaux);
2930 iounmap(ai->pcimem);
2931 mpi_unmap_card(ai->pci);
2932 }
2933err_out_res:
2934 if (!is_pcmcia)
2935 release_region( dev->base_addr, 64 );
2936err_out_irq:
2937 free_irq(dev->irq, dev);
Michal Schmidt4d881902007-03-16 12:42:59 +01002938err_out_nets:
2939 airo_networks_free(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002940err_out_unlink:
2941 del_airo_dev(dev);
2942err_out_thr:
Dan Williams3c304952006-04-15 12:26:18 -04002943 set_bit(JOB_DIE, &ai->jobs);
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07002944 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002945err_out_free:
2946 free_netdev(dev);
2947 return NULL;
2948}
2949
2950struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2951 struct device *dmdev)
2952{
2953 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2954}
2955
2956EXPORT_SYMBOL(init_airo_card);
2957
2958static int waitbusy (struct airo_info *ai) {
2959 int delay = 0;
2960 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2961 udelay (10);
2962 if ((++delay % 20) == 0)
2963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2964 }
2965 return delay < 10000;
2966}
2967
2968int reset_airo_card( struct net_device *dev )
2969{
2970 int i;
2971 struct airo_info *ai = dev->priv;
2972
2973 if (reset_card (dev, 1))
2974 return -1;
2975
2976 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002977 airo_print_err(dev->name, "MAC could not be enabled");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002978 return -1;
2979 }
Dan Williams934d8bf2006-03-16 13:46:23 -05002980 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002981 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2982 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2983 /* Allocate the transmit buffers if needed */
2984 if (!test_bit(FLAG_MPI,&ai->flags))
2985 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002986 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002987
2988 enable_interrupts( ai );
2989 netif_wake_queue(dev);
2990 return 0;
2991}
2992
2993EXPORT_SYMBOL(reset_airo_card);
2994
2995static void airo_send_event(struct net_device *dev) {
2996 struct airo_info *ai = dev->priv;
2997 union iwreq_data wrqu;
2998 StatusRid status_rid;
2999
Dan Williams3c304952006-04-15 12:26:18 -04003000 clear_bit(JOB_EVENT, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003001 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3002 up(&ai->sem);
3003 wrqu.data.length = 0;
3004 wrqu.data.flags = 0;
3005 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3006 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3007
3008 /* Send event to user space */
3009 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3010}
3011
Dan Williams9e75af32006-03-16 13:46:29 -05003012static void airo_process_scan_results (struct airo_info *ai) {
3013 union iwreq_data wrqu;
Dan Williams3c304952006-04-15 12:26:18 -04003014 BSSListRid bss;
Dan Williams9e75af32006-03-16 13:46:29 -05003015 int rc;
3016 BSSListElement * loop_net;
3017 BSSListElement * tmp_net;
3018
3019 /* Blow away current list of scan results */
3020 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3021 list_move_tail (&loop_net->list, &ai->network_free_list);
3022 /* Don't blow away ->list, just BSS data */
3023 memset (loop_net, 0, sizeof (loop_net->bss));
3024 }
3025
3026 /* Try to read the first entry of the scan result */
Dan Williams3c304952006-04-15 12:26:18 -04003027 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3028 if((rc) || (bss.index == 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003029 /* No scan results */
3030 goto out;
3031 }
3032
3033 /* Read and parse all entries */
3034 tmp_net = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04003035 while((!rc) && (bss.index != 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003036 /* Grab a network off the free list */
3037 if (!list_empty(&ai->network_free_list)) {
3038 tmp_net = list_entry(ai->network_free_list.next,
3039 BSSListElement, list);
3040 list_del(ai->network_free_list.next);
3041 }
3042
3043 if (tmp_net != NULL) {
Dan Williams3c304952006-04-15 12:26:18 -04003044 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
Dan Williams9e75af32006-03-16 13:46:29 -05003045 list_add_tail(&tmp_net->list, &ai->network_list);
3046 tmp_net = NULL;
3047 }
3048
3049 /* Read next entry */
Dan Williams3c304952006-04-15 12:26:18 -04003050 rc = PC4500_readrid(ai, ai->bssListNext,
3051 &bss, ai->bssListRidLen, 0);
Dan Williams9e75af32006-03-16 13:46:29 -05003052 }
3053
3054out:
3055 ai->scan_timeout = 0;
Dan Williams3c304952006-04-15 12:26:18 -04003056 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003057 up(&ai->sem);
3058
3059 /* Send an empty event to user space.
3060 * We don't send the received data on
3061 * the event because it would require
3062 * us to do complex transcoding, and
3063 * we want to minimise the work done in
3064 * the irq handler. Use a request to
3065 * extract the data - Jean II */
3066 wrqu.data.length = 0;
3067 wrqu.data.flags = 0;
3068 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3069}
3070
Linus Torvalds1da177e2005-04-16 15:20:36 -07003071static int airo_thread(void *data) {
3072 struct net_device *dev = data;
3073 struct airo_info *ai = dev->priv;
3074 int locked;
3075
Linus Torvalds1da177e2005-04-16 15:20:36 -07003076 while(1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003077 /* make swsusp happy with our thread */
Christoph Lameter3e1d1d22005-06-24 23:13:50 -07003078 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003079
Dan Williams3c304952006-04-15 12:26:18 -04003080 if (test_bit(JOB_DIE, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003081 break;
3082
Dan Williams3c304952006-04-15 12:26:18 -04003083 if (ai->jobs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003084 locked = down_interruptible(&ai->sem);
3085 } else {
3086 wait_queue_t wait;
3087
3088 init_waitqueue_entry(&wait, current);
3089 add_wait_queue(&ai->thr_wait, &wait);
3090 for (;;) {
3091 set_current_state(TASK_INTERRUPTIBLE);
Dan Williams3c304952006-04-15 12:26:18 -04003092 if (ai->jobs)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003093 break;
Dan Williams9e75af32006-03-16 13:46:29 -05003094 if (ai->expires || ai->scan_timeout) {
3095 if (ai->scan_timeout &&
3096 time_after_eq(jiffies,ai->scan_timeout)){
Dan Williams3c304952006-04-15 12:26:18 -04003097 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003098 break;
3099 } else if (ai->expires &&
3100 time_after_eq(jiffies,ai->expires)){
Dan Williams3c304952006-04-15 12:26:18 -04003101 set_bit(JOB_AUTOWEP, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003102 break;
3103 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003104 if (!kthread_should_stop() &&
3105 !freezing(current)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003106 unsigned long wake_at;
3107 if (!ai->expires || !ai->scan_timeout) {
3108 wake_at = max(ai->expires,
3109 ai->scan_timeout);
3110 } else {
3111 wake_at = min(ai->expires,
3112 ai->scan_timeout);
3113 }
3114 schedule_timeout(wake_at - jiffies);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003115 continue;
3116 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003117 } else if (!kthread_should_stop() &&
3118 !freezing(current)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003119 schedule();
3120 continue;
3121 }
3122 break;
3123 }
3124 current->state = TASK_RUNNING;
3125 remove_wait_queue(&ai->thr_wait, &wait);
3126 locked = 1;
3127 }
3128
3129 if (locked)
3130 continue;
3131
Dan Williams3c304952006-04-15 12:26:18 -04003132 if (test_bit(JOB_DIE, &ai->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003133 up(&ai->sem);
3134 break;
3135 }
3136
Pavel Machekca078ba2005-09-03 15:56:57 -07003137 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003138 up(&ai->sem);
3139 continue;
3140 }
3141
Dan Williams3c304952006-04-15 12:26:18 -04003142 if (test_bit(JOB_XMIT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003143 airo_end_xmit(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003144 else if (test_bit(JOB_XMIT11, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003145 airo_end_xmit11(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003146 else if (test_bit(JOB_STATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003147 airo_read_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003148 else if (test_bit(JOB_WSTATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003149 airo_read_wireless_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003150 else if (test_bit(JOB_PROMISC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003151 airo_set_promisc(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003152 else if (test_bit(JOB_MIC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003153 micinit(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003154 else if (test_bit(JOB_EVENT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003155 airo_send_event(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003156 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003157 timer_func(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003158 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
Dan Williams9e75af32006-03-16 13:46:29 -05003159 airo_process_scan_results(ai);
3160 else /* Shouldn't get here, but we make sure to unlock */
3161 up(&ai->sem);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003162 }
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003163
3164 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003165}
3166
David Howells7d12e782006-10-05 14:55:46 +01003167static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003168 struct net_device *dev = (struct net_device *)dev_id;
3169 u16 status;
3170 u16 fid;
3171 struct airo_info *apriv = dev->priv;
3172 u16 savedInterrupts = 0;
3173 int handled = 0;
3174
3175 if (!netif_device_present(dev))
3176 return IRQ_NONE;
3177
3178 for (;;) {
3179 status = IN4500( apriv, EVSTAT );
3180 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3181
3182 handled = 1;
3183
3184 if ( status & EV_AWAKE ) {
3185 OUT4500( apriv, EVACK, EV_AWAKE );
3186 OUT4500( apriv, EVACK, EV_AWAKE );
3187 }
3188
3189 if (!savedInterrupts) {
3190 savedInterrupts = IN4500( apriv, EVINTEN );
3191 OUT4500( apriv, EVINTEN, 0 );
3192 }
3193
3194 if ( status & EV_MIC ) {
3195 OUT4500( apriv, EVACK, EV_MIC );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003196 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
Dan Williams3c304952006-04-15 12:26:18 -04003197 set_bit(JOB_MIC, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003198 wake_up_interruptible(&apriv->thr_wait);
3199 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003200 }
3201 if ( status & EV_LINK ) {
3202 union iwreq_data wrqu;
Dan Williams6fcdf562006-03-31 15:08:46 -05003203 int scan_forceloss = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003204 /* The link status has changed, if you want to put a
3205 monitor hook in, do it here. (Remember that
3206 interrupts are still disabled!)
3207 */
3208 u16 newStatus = IN4500(apriv, LINKSTAT);
3209 OUT4500( apriv, EVACK, EV_LINK);
3210 /* Here is what newStatus means: */
3211#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3212#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3213#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3214#define FORCELOSS 0x8003 /* Loss of sync - host request */
3215#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3216#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3217#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3218#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3219 code) */
3220#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3221 code) */
Dan Williams6fcdf562006-03-31 15:08:46 -05003222#define ASSOCIATED 0x0400 /* Associated */
3223#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003224#define RC_RESERVED 0 /* Reserved return code */
3225#define RC_NOREASON 1 /* Unspecified reason */
3226#define RC_AUTHINV 2 /* Previous authentication invalid */
3227#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3228 leaving */
3229#define RC_NOACT 4 /* Disassociated due to inactivity */
3230#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3231 all currently associated stations */
3232#define RC_BADCLASS2 6 /* Class 2 frame received from
3233 non-Authenticated station */
3234#define RC_BADCLASS3 7 /* Class 3 frame received from
3235 non-Associated station */
3236#define RC_STATLEAVE 8 /* Disassociated because sending station is
3237 leaving BSS */
3238#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3239 Authenticated with the responding station */
Dan Williams6fcdf562006-03-31 15:08:46 -05003240 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3241 scan_forceloss = 1;
3242 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003243 if (auto_wep)
3244 apriv->expires = 0;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003245 if (apriv->list_bss_task)
3246 wake_up_process(apriv->list_bss_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003247 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3248 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
Dan Williams6fcdf562006-03-31 15:08:46 -05003249
Linus Torvalds1da177e2005-04-16 15:20:36 -07003250 if (down_trylock(&apriv->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04003251 set_bit(JOB_EVENT, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003252 wake_up_interruptible(&apriv->thr_wait);
3253 } else
3254 airo_send_event(dev);
Dan Williams6fcdf562006-03-31 15:08:46 -05003255 } else if (!scan_forceloss) {
3256 if (auto_wep && !apriv->expires) {
3257 apriv->expires = RUN_AT(3*HZ);
3258 wake_up_interruptible(&apriv->thr_wait);
3259 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003260
3261 /* Send event to user space */
Dan Williams6fcdf562006-03-31 15:08:46 -05003262 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3263 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003264 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3265 }
3266 }
3267
3268 /* Check to see if there is something to receive */
3269 if ( status & EV_RX ) {
3270 struct sk_buff *skb = NULL;
3271 u16 fc, len, hdrlen = 0;
3272#pragma pack(1)
3273 struct {
3274 u16 status, len;
3275 u8 rssi[2];
3276 u8 rate;
3277 u8 freq;
3278 u16 tmp[4];
3279 } hdr;
3280#pragma pack()
3281 u16 gap;
3282 u16 tmpbuf[4];
3283 u16 *buffer;
3284
3285 if (test_bit(FLAG_MPI,&apriv->flags)) {
3286 if (test_bit(FLAG_802_11, &apriv->flags))
3287 mpi_receive_802_11(apriv);
3288 else
3289 mpi_receive_802_3(apriv);
3290 OUT4500(apriv, EVACK, EV_RX);
3291 goto exitrx;
3292 }
3293
3294 fid = IN4500( apriv, RXFID );
3295
3296 /* Get the packet length */
3297 if (test_bit(FLAG_802_11, &apriv->flags)) {
3298 bap_setup (apriv, fid, 4, BAP0);
3299 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3300 /* Bad CRC. Ignore packet */
3301 if (le16_to_cpu(hdr.status) & 2)
3302 hdr.len = 0;
3303 if (apriv->wifidev == NULL)
3304 hdr.len = 0;
3305 } else {
3306 bap_setup (apriv, fid, 0x36, BAP0);
3307 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3308 }
3309 len = le16_to_cpu(hdr.len);
3310
Dan Williams15db2762006-03-16 13:46:27 -05003311 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003312 airo_print_err(apriv->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003313 goto badrx;
3314 }
3315 if (len == 0)
3316 goto badrx;
3317
3318 if (test_bit(FLAG_802_11, &apriv->flags)) {
3319 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3320 fc = le16_to_cpu(fc);
3321 switch (fc & 0xc) {
3322 case 4:
3323 if ((fc & 0xe0) == 0xc0)
3324 hdrlen = 10;
3325 else
3326 hdrlen = 16;
3327 break;
3328 case 8:
3329 if ((fc&0x300)==0x300){
3330 hdrlen = 30;
3331 break;
3332 }
3333 default:
3334 hdrlen = 24;
3335 }
3336 } else
3337 hdrlen = ETH_ALEN * 2;
3338
3339 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3340 if ( !skb ) {
3341 apriv->stats.rx_dropped++;
3342 goto badrx;
3343 }
3344 skb_reserve(skb, 2); /* This way the IP header is aligned */
3345 buffer = (u16*)skb_put (skb, len + hdrlen);
3346 if (test_bit(FLAG_802_11, &apriv->flags)) {
3347 buffer[0] = fc;
3348 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3349 if (hdrlen == 24)
3350 bap_read (apriv, tmpbuf, 6, BAP0);
3351
3352 bap_read (apriv, &gap, sizeof(gap), BAP0);
3353 gap = le16_to_cpu(gap);
3354 if (gap) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003355 if (gap <= 8) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003356 bap_read (apriv, tmpbuf, gap, BAP0);
Dan Williams934d8bf2006-03-16 13:46:23 -05003357 } else {
3358 airo_print_err(apriv->dev->name, "gaplen too "
3359 "big. Problems will follow...");
3360 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003361 }
3362 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3363 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003364 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003365 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003366 if (apriv->micstats.enabled) {
3367 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3368 if (ntohs(micbuf.typelen) > 0x05DC)
3369 bap_setup (apriv, fid, 0x44, BAP0);
3370 else {
3371 if (len <= sizeof(micbuf))
3372 goto badmic;
3373
3374 len -= sizeof(micbuf);
3375 skb_trim (skb, len + hdrlen);
3376 }
3377 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003378 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003379 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3380badmic:
3381 dev_kfree_skb_irq (skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003382badrx:
3383 OUT4500( apriv, EVACK, EV_RX);
3384 goto exitrx;
3385 }
3386 }
3387#ifdef WIRELESS_SPY
3388 if (apriv->spy_data.spy_number > 0) {
3389 char *sa;
3390 struct iw_quality wstats;
3391 /* Prepare spy data : addr + qual */
3392 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3393 sa = (char*)buffer + 6;
3394 bap_setup (apriv, fid, 8, BAP0);
3395 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3396 } else
3397 sa = (char*)buffer + 10;
3398 wstats.qual = hdr.rssi[0];
3399 if (apriv->rssi)
3400 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3401 else
3402 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003403 wstats.noise = apriv->wstats.qual.noise;
3404 wstats.updated = IW_QUAL_LEVEL_UPDATED
3405 | IW_QUAL_QUAL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003406 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003407 /* Update spy records */
3408 wireless_spy_update(dev, sa, &wstats);
3409 }
3410#endif /* WIRELESS_SPY */
3411 OUT4500( apriv, EVACK, EV_RX);
3412
3413 if (test_bit(FLAG_802_11, &apriv->flags)) {
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003414 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003415 skb->pkt_type = PACKET_OTHERHOST;
3416 skb->dev = apriv->wifidev;
3417 skb->protocol = htons(ETH_P_802_2);
Arnaldo Carvalho de Melo4c13eb62007-04-25 17:40:23 -07003418 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07003419 skb->protocol = eth_type_trans(skb,dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003420 skb->dev->last_rx = jiffies;
3421 skb->ip_summed = CHECKSUM_NONE;
3422
3423 netif_rx( skb );
3424 }
3425exitrx:
3426
3427 /* Check to see if a packet has been transmitted */
3428 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3429 int i;
3430 int len = 0;
3431 int index = -1;
3432
3433 if (test_bit(FLAG_MPI,&apriv->flags)) {
3434 unsigned long flags;
3435
3436 if (status & EV_TXEXC)
3437 get_tx_error(apriv, -1);
3438 spin_lock_irqsave(&apriv->aux_lock, flags);
David S. Millerb03efcf2005-07-08 14:57:23 -07003439 if (!skb_queue_empty(&apriv->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003440 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3441 mpi_send_packet (dev);
3442 } else {
3443 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3444 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3445 netif_wake_queue (dev);
3446 }
3447 OUT4500( apriv, EVACK,
3448 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3449 goto exittx;
3450 }
3451
3452 fid = IN4500(apriv, TXCOMPLFID);
3453
3454 for( i = 0; i < MAX_FIDS; i++ ) {
3455 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3456 len = apriv->fids[i] >> 16;
3457 index = i;
3458 }
3459 }
3460 if (index != -1) {
3461 if (status & EV_TXEXC)
3462 get_tx_error(apriv, index);
3463 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3464 /* Set up to be used again */
3465 apriv->fids[index] &= 0xffff;
3466 if (index < MAX_FIDS / 2) {
3467 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3468 netif_wake_queue(dev);
3469 } else {
3470 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3471 netif_wake_queue(apriv->wifidev);
3472 }
3473 } else {
3474 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
Dan Williams934d8bf2006-03-16 13:46:23 -05003475 airo_print_err(apriv->dev->name, "Unallocated FID was "
3476 "used to xmit" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003477 }
3478 }
3479exittx:
3480 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
Dan Williams934d8bf2006-03-16 13:46:23 -05003481 airo_print_warn(apriv->dev->name, "Got weird status %x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003482 status & ~STATUS_INTS & ~IGNORE_INTS );
3483 }
3484
3485 if (savedInterrupts)
3486 OUT4500( apriv, EVINTEN, savedInterrupts );
3487
3488 /* done.. */
3489 return IRQ_RETVAL(handled);
3490}
3491
3492/*
3493 * Routines to talk to the card
3494 */
3495
3496/*
3497 * This was originally written for the 4500, hence the name
3498 * NOTE: If use with 8bit mode and SMP bad things will happen!
3499 * Why would some one do 8 bit IO in an SMP machine?!?
3500 */
3501static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3502 if (test_bit(FLAG_MPI,&ai->flags))
3503 reg <<= 1;
3504 if ( !do8bitIO )
3505 outw( val, ai->dev->base_addr + reg );
3506 else {
3507 outb( val & 0xff, ai->dev->base_addr + reg );
3508 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3509 }
3510}
3511
3512static u16 IN4500( struct airo_info *ai, u16 reg ) {
3513 unsigned short rc;
3514
3515 if (test_bit(FLAG_MPI,&ai->flags))
3516 reg <<= 1;
3517 if ( !do8bitIO )
3518 rc = inw( ai->dev->base_addr + reg );
3519 else {
3520 rc = inb( ai->dev->base_addr + reg );
3521 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3522 }
3523 return rc;
3524}
3525
3526static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3527 int rc;
3528 Cmd cmd;
3529
3530 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3531 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3532 * Note : we could try to use !netif_running(dev) in enable_MAC()
3533 * instead of this flag, but I don't trust it *within* the
3534 * open/close functions, and testing both flags together is
3535 * "cheaper" - Jean II */
3536 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3537
3538 if (lock && down_interruptible(&ai->sem))
3539 return -ERESTARTSYS;
3540
3541 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3542 memset(&cmd, 0, sizeof(cmd));
3543 cmd.cmd = MAC_ENABLE;
3544 rc = issuecommand(ai, &cmd, rsp);
3545 if (rc == SUCCESS)
3546 set_bit(FLAG_ENABLED, &ai->flags);
3547 } else
3548 rc = SUCCESS;
3549
3550 if (lock)
3551 up(&ai->sem);
3552
3553 if (rc)
Dan Williams934d8bf2006-03-16 13:46:23 -05003554 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3555 __FUNCTION__, rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003556 return rc;
3557}
3558
3559static void disable_MAC( struct airo_info *ai, int lock ) {
3560 Cmd cmd;
3561 Resp rsp;
3562
3563 if (lock && down_interruptible(&ai->sem))
3564 return;
3565
3566 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3567 memset(&cmd, 0, sizeof(cmd));
3568 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3569 issuecommand(ai, &cmd, &rsp);
3570 clear_bit(FLAG_ENABLED, &ai->flags);
3571 }
3572 if (lock)
3573 up(&ai->sem);
3574}
3575
3576static void enable_interrupts( struct airo_info *ai ) {
3577 /* Enable the interrupts */
3578 OUT4500( ai, EVINTEN, STATUS_INTS );
3579}
3580
3581static void disable_interrupts( struct airo_info *ai ) {
3582 OUT4500( ai, EVINTEN, 0 );
3583}
3584
3585static void mpi_receive_802_3(struct airo_info *ai)
3586{
3587 RxFid rxd;
3588 int len = 0;
3589 struct sk_buff *skb;
3590 char *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003591 int off = 0;
3592 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003593
3594 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3595 /* Make sure we got something */
3596 if (rxd.rdy && rxd.valid == 0) {
3597 len = rxd.len + 12;
3598 if (len < 12 || len > 2048)
3599 goto badrx;
3600
3601 skb = dev_alloc_skb(len);
3602 if (!skb) {
3603 ai->stats.rx_dropped++;
3604 goto badrx;
3605 }
3606 buffer = skb_put(skb,len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003607 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3608 if (ai->micstats.enabled) {
3609 memcpy(&micbuf,
3610 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3611 sizeof(micbuf));
3612 if (ntohs(micbuf.typelen) <= 0x05DC) {
3613 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3614 goto badmic;
3615
3616 off = sizeof(micbuf);
3617 skb_trim (skb, len - off);
3618 }
3619 }
3620 memcpy(buffer + ETH_ALEN * 2,
3621 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3622 len - ETH_ALEN * 2 - off);
3623 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3624badmic:
3625 dev_kfree_skb_irq (skb);
3626 goto badrx;
3627 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003628#ifdef WIRELESS_SPY
3629 if (ai->spy_data.spy_number > 0) {
3630 char *sa;
3631 struct iw_quality wstats;
3632 /* Prepare spy data : addr + qual */
3633 sa = buffer + ETH_ALEN;
3634 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3635 wstats.level = 0;
3636 wstats.updated = 0;
3637 /* Update spy records */
3638 wireless_spy_update(ai->dev, sa, &wstats);
3639 }
3640#endif /* WIRELESS_SPY */
3641
Linus Torvalds1da177e2005-04-16 15:20:36 -07003642 skb->ip_summed = CHECKSUM_NONE;
3643 skb->protocol = eth_type_trans(skb, ai->dev);
3644 skb->dev->last_rx = jiffies;
3645 netif_rx(skb);
3646 }
3647badrx:
3648 if (rxd.valid == 0) {
3649 rxd.valid = 1;
3650 rxd.rdy = 0;
3651 rxd.len = PKTSIZE;
3652 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3653 }
3654}
3655
3656void mpi_receive_802_11 (struct airo_info *ai)
3657{
3658 RxFid rxd;
3659 struct sk_buff *skb = NULL;
3660 u16 fc, len, hdrlen = 0;
3661#pragma pack(1)
3662 struct {
3663 u16 status, len;
3664 u8 rssi[2];
3665 u8 rate;
3666 u8 freq;
3667 u16 tmp[4];
3668 } hdr;
3669#pragma pack()
3670 u16 gap;
3671 u16 *buffer;
3672 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3673
3674 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3675 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3676 ptr += sizeof(hdr);
3677 /* Bad CRC. Ignore packet */
3678 if (le16_to_cpu(hdr.status) & 2)
3679 hdr.len = 0;
3680 if (ai->wifidev == NULL)
3681 hdr.len = 0;
3682 len = le16_to_cpu(hdr.len);
Dan Williams15db2762006-03-16 13:46:27 -05003683 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003684 airo_print_err(ai->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003685 goto badrx;
3686 }
3687 if (len == 0)
3688 goto badrx;
3689
3690 memcpy ((char *)&fc, ptr, sizeof(fc));
3691 fc = le16_to_cpu(fc);
3692 switch (fc & 0xc) {
3693 case 4:
3694 if ((fc & 0xe0) == 0xc0)
3695 hdrlen = 10;
3696 else
3697 hdrlen = 16;
3698 break;
3699 case 8:
3700 if ((fc&0x300)==0x300){
3701 hdrlen = 30;
3702 break;
3703 }
3704 default:
3705 hdrlen = 24;
3706 }
3707
3708 skb = dev_alloc_skb( len + hdrlen + 2 );
3709 if ( !skb ) {
3710 ai->stats.rx_dropped++;
3711 goto badrx;
3712 }
3713 buffer = (u16*)skb_put (skb, len + hdrlen);
3714 memcpy ((char *)buffer, ptr, hdrlen);
3715 ptr += hdrlen;
3716 if (hdrlen == 24)
3717 ptr += 6;
3718 memcpy ((char *)&gap, ptr, sizeof(gap));
3719 ptr += sizeof(gap);
3720 gap = le16_to_cpu(gap);
3721 if (gap) {
3722 if (gap <= 8)
3723 ptr += gap;
3724 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003725 airo_print_err(ai->dev->name,
3726 "gaplen too big. Problems will follow...");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003727 }
3728 memcpy ((char *)buffer + hdrlen, ptr, len);
3729 ptr += len;
3730#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3731 if (ai->spy_data.spy_number > 0) {
3732 char *sa;
3733 struct iw_quality wstats;
3734 /* Prepare spy data : addr + qual */
3735 sa = (char*)buffer + 10;
3736 wstats.qual = hdr.rssi[0];
3737 if (ai->rssi)
3738 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3739 else
3740 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003741 wstats.noise = ai->wstats.qual.noise;
3742 wstats.updated = IW_QUAL_QUAL_UPDATED
3743 | IW_QUAL_LEVEL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003744 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003745 /* Update spy records */
3746 wireless_spy_update(ai->dev, sa, &wstats);
3747 }
3748#endif /* IW_WIRELESS_SPY */
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003749 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003750 skb->pkt_type = PACKET_OTHERHOST;
3751 skb->dev = ai->wifidev;
3752 skb->protocol = htons(ETH_P_802_2);
3753 skb->dev->last_rx = jiffies;
3754 skb->ip_summed = CHECKSUM_NONE;
3755 netif_rx( skb );
3756badrx:
3757 if (rxd.valid == 0) {
3758 rxd.valid = 1;
3759 rxd.rdy = 0;
3760 rxd.len = PKTSIZE;
3761 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3762 }
3763}
3764
3765static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3766{
3767 Cmd cmd;
3768 Resp rsp;
3769 int status;
3770 int i;
3771 SsidRid mySsid;
3772 u16 lastindex;
3773 WepKeyRid wkr;
3774 int rc;
3775
3776 memset( &mySsid, 0, sizeof( mySsid ) );
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003777 kfree (ai->flash);
3778 ai->flash = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003779
3780 /* The NOP is the first step in getting the card going */
3781 cmd.cmd = NOP;
3782 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3783 if (lock && down_interruptible(&ai->sem))
3784 return ERROR;
3785 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3786 if (lock)
3787 up(&ai->sem);
3788 return ERROR;
3789 }
3790 disable_MAC( ai, 0);
3791
3792 // Let's figure out if we need to use the AUX port
3793 if (!test_bit(FLAG_MPI,&ai->flags)) {
3794 cmd.cmd = CMD_ENABLEAUX;
3795 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3796 if (lock)
3797 up(&ai->sem);
Dan Williams934d8bf2006-03-16 13:46:23 -05003798 airo_print_err(ai->dev->name, "Error checking for AUX port");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003799 return ERROR;
3800 }
3801 if (!aux_bap || rsp.status & 0xff00) {
3802 ai->bap_read = fast_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003803 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003804 } else {
3805 ai->bap_read = aux_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003806 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003807 }
3808 }
3809 if (lock)
3810 up(&ai->sem);
3811 if (ai->config.len == 0) {
3812 tdsRssiRid rssi_rid;
3813 CapabilityRid cap_rid;
3814
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003815 kfree(ai->APList);
3816 ai->APList = NULL;
3817 kfree(ai->SSID);
3818 ai->SSID = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003819 // general configuration (read/modify/write)
3820 status = readConfigRid(ai, lock);
3821 if ( status != SUCCESS ) return ERROR;
3822
3823 status = readCapabilityRid(ai, &cap_rid, lock);
3824 if ( status != SUCCESS ) return ERROR;
3825
3826 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3827 if ( status == SUCCESS ) {
3828 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
Dan Williams41480af2005-05-10 09:45:51 -04003829 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003830 }
3831 else {
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003832 kfree(ai->rssi);
3833 ai->rssi = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003834 if (cap_rid.softCap & 8)
3835 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3836 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003837 airo_print_warn(ai->dev->name, "unknown received signal "
3838 "level scale");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003839 }
3840 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3841 ai->config.authType = AUTH_OPEN;
3842 ai->config.modulation = MOD_CCK;
3843
Linus Torvalds1da177e2005-04-16 15:20:36 -07003844 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3845 (micsetup(ai) == SUCCESS)) {
3846 ai->config.opmode |= MODE_MIC;
3847 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3848 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003849
3850 /* Save off the MAC */
3851 for( i = 0; i < ETH_ALEN; i++ ) {
3852 mac[i] = ai->config.macAddr[i];
3853 }
3854
3855 /* Check to see if there are any insmod configured
3856 rates to add */
3857 if ( rates[0] ) {
3858 int i = 0;
3859 memset(ai->config.rates,0,sizeof(ai->config.rates));
3860 for( i = 0; i < 8 && rates[i]; i++ ) {
3861 ai->config.rates[i] = rates[i];
3862 }
3863 }
3864 if ( basic_rate > 0 ) {
3865 int i;
3866 for( i = 0; i < 8; i++ ) {
3867 if ( ai->config.rates[i] == basic_rate ||
3868 !ai->config.rates ) {
3869 ai->config.rates[i] = basic_rate | 0x80;
3870 break;
3871 }
3872 }
3873 }
3874 set_bit (FLAG_COMMIT, &ai->flags);
3875 }
3876
3877 /* Setup the SSIDs if present */
3878 if ( ssids[0] ) {
3879 int i;
3880 for( i = 0; i < 3 && ssids[i]; i++ ) {
3881 mySsid.ssids[i].len = strlen(ssids[i]);
3882 if ( mySsid.ssids[i].len > 32 )
3883 mySsid.ssids[i].len = 32;
3884 memcpy(mySsid.ssids[i].ssid, ssids[i],
3885 mySsid.ssids[i].len);
3886 }
3887 mySsid.len = sizeof(mySsid);
3888 }
3889
3890 status = writeConfigRid(ai, lock);
3891 if ( status != SUCCESS ) return ERROR;
3892
3893 /* Set up the SSID list */
3894 if ( ssids[0] ) {
3895 status = writeSsidRid(ai, &mySsid, lock);
3896 if ( status != SUCCESS ) return ERROR;
3897 }
3898
3899 status = enable_MAC(ai, &rsp, lock);
3900 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003901 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3902 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003903 return ERROR;
3904 }
3905
3906 /* Grab the initial wep key, we gotta save it for auto_wep */
3907 rc = readWepKeyRid(ai, &wkr, 1, lock);
3908 if (rc == SUCCESS) do {
3909 lastindex = wkr.kindex;
3910 if (wkr.kindex == 0xffff) {
3911 ai->defindex = wkr.mac[0];
3912 }
3913 rc = readWepKeyRid(ai, &wkr, 0, lock);
3914 } while(lastindex != wkr.kindex);
3915
3916 if (auto_wep) {
3917 ai->expires = RUN_AT(3*HZ);
3918 wake_up_interruptible(&ai->thr_wait);
3919 }
3920
3921 return SUCCESS;
3922}
3923
3924static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3925 // Im really paranoid about letting it run forever!
3926 int max_tries = 600000;
3927
3928 if (IN4500(ai, EVSTAT) & EV_CMD)
3929 OUT4500(ai, EVACK, EV_CMD);
3930
3931 OUT4500(ai, PARAM0, pCmd->parm0);
3932 OUT4500(ai, PARAM1, pCmd->parm1);
3933 OUT4500(ai, PARAM2, pCmd->parm2);
3934 OUT4500(ai, COMMAND, pCmd->cmd);
3935
3936 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3937 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3938 // PC4500 didn't notice command, try again
3939 OUT4500(ai, COMMAND, pCmd->cmd);
3940 if (!in_atomic() && (max_tries & 255) == 0)
3941 schedule();
3942 }
3943
3944 if ( max_tries == -1 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003945 airo_print_err(ai->dev->name,
3946 "Max tries exceeded when issueing command");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003947 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3948 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3949 return ERROR;
3950 }
3951
3952 // command completed
3953 pRsp->status = IN4500(ai, STATUS);
3954 pRsp->rsp0 = IN4500(ai, RESP0);
3955 pRsp->rsp1 = IN4500(ai, RESP1);
3956 pRsp->rsp2 = IN4500(ai, RESP2);
Robert Schulze13dca9b2006-07-10 18:37:44 +02003957 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3958 airo_print_err(ai->dev->name,
3959 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3960 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3961 pRsp->rsp2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003962
3963 // clear stuck command busy if necessary
3964 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3965 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3966 }
3967 // acknowledge processing the status/response
3968 OUT4500(ai, EVACK, EV_CMD);
3969
3970 return SUCCESS;
3971}
3972
3973/* Sets up the bap to start exchange data. whichbap should
3974 * be one of the BAP0 or BAP1 defines. Locks should be held before
3975 * calling! */
3976static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3977{
3978 int timeout = 50;
3979 int max_tries = 3;
3980
3981 OUT4500(ai, SELECT0+whichbap, rid);
3982 OUT4500(ai, OFFSET0+whichbap, offset);
3983 while (1) {
3984 int status = IN4500(ai, OFFSET0+whichbap);
3985 if (status & BAP_BUSY) {
3986 /* This isn't really a timeout, but its kinda
3987 close */
3988 if (timeout--) {
3989 continue;
3990 }
3991 } else if ( status & BAP_ERR ) {
3992 /* invalid rid or offset */
Dan Williams934d8bf2006-03-16 13:46:23 -05003993 airo_print_err(ai->dev->name, "BAP error %x %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003994 status, whichbap );
3995 return ERROR;
3996 } else if (status & BAP_DONE) { // success
3997 return SUCCESS;
3998 }
3999 if ( !(max_tries--) ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004000 airo_print_err(ai->dev->name,
4001 "airo: BAP setup error too many retries\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004002 return ERROR;
4003 }
4004 // -- PC4500 missed it, try again
4005 OUT4500(ai, SELECT0+whichbap, rid);
4006 OUT4500(ai, OFFSET0+whichbap, offset);
4007 timeout = 50;
4008 }
4009}
4010
4011/* should only be called by aux_bap_read. This aux function and the
4012 following use concepts not documented in the developers guide. I
4013 got them from a patch given to my by Aironet */
4014static u16 aux_setup(struct airo_info *ai, u16 page,
4015 u16 offset, u16 *len)
4016{
4017 u16 next;
4018
4019 OUT4500(ai, AUXPAGE, page);
4020 OUT4500(ai, AUXOFF, 0);
4021 next = IN4500(ai, AUXDATA);
4022 *len = IN4500(ai, AUXDATA)&0xff;
4023 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4024 return next;
4025}
4026
4027/* requires call to bap_setup() first */
4028static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4029 int bytelen, int whichbap)
4030{
4031 u16 len;
4032 u16 page;
4033 u16 offset;
4034 u16 next;
4035 int words;
4036 int i;
4037 unsigned long flags;
4038
4039 spin_lock_irqsave(&ai->aux_lock, flags);
4040 page = IN4500(ai, SWS0+whichbap);
4041 offset = IN4500(ai, SWS2+whichbap);
4042 next = aux_setup(ai, page, offset, &len);
4043 words = (bytelen+1)>>1;
4044
4045 for (i=0; i<words;) {
4046 int count;
4047 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4048 if ( !do8bitIO )
4049 insw( ai->dev->base_addr+DATA0+whichbap,
4050 pu16Dst+i,count );
4051 else
4052 insb( ai->dev->base_addr+DATA0+whichbap,
4053 pu16Dst+i, count << 1 );
4054 i += count;
4055 if (i<words) {
4056 next = aux_setup(ai, next, 4, &len);
4057 }
4058 }
4059 spin_unlock_irqrestore(&ai->aux_lock, flags);
4060 return SUCCESS;
4061}
4062
4063
4064/* requires call to bap_setup() first */
4065static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4066 int bytelen, int whichbap)
4067{
4068 bytelen = (bytelen + 1) & (~1); // round up to even value
4069 if ( !do8bitIO )
4070 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4071 else
4072 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4073 return SUCCESS;
4074}
4075
4076/* requires call to bap_setup() first */
4077static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4078 int bytelen, int whichbap)
4079{
4080 bytelen = (bytelen + 1) & (~1); // round up to even value
4081 if ( !do8bitIO )
4082 outsw( ai->dev->base_addr+DATA0+whichbap,
4083 pu16Src, bytelen>>1 );
4084 else
4085 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4086 return SUCCESS;
4087}
4088
4089static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4090{
4091 Cmd cmd; /* for issuing commands */
4092 Resp rsp; /* response from commands */
4093 u16 status;
4094
4095 memset(&cmd, 0, sizeof(cmd));
4096 cmd.cmd = accmd;
4097 cmd.parm0 = rid;
4098 status = issuecommand(ai, &cmd, &rsp);
4099 if (status != 0) return status;
4100 if ( (rsp.status & 0x7F00) != 0) {
4101 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4102 }
4103 return 0;
4104}
4105
4106/* Note, that we are using BAP1 which is also used by transmit, so
4107 * we must get a lock. */
4108static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4109{
4110 u16 status;
4111 int rc = SUCCESS;
4112
4113 if (lock) {
4114 if (down_interruptible(&ai->sem))
4115 return ERROR;
4116 }
4117 if (test_bit(FLAG_MPI,&ai->flags)) {
4118 Cmd cmd;
4119 Resp rsp;
4120
4121 memset(&cmd, 0, sizeof(cmd));
4122 memset(&rsp, 0, sizeof(rsp));
4123 ai->config_desc.rid_desc.valid = 1;
4124 ai->config_desc.rid_desc.len = RIDSIZE;
4125 ai->config_desc.rid_desc.rid = 0;
4126 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4127
4128 cmd.cmd = CMD_ACCESS;
4129 cmd.parm0 = rid;
4130
4131 memcpy_toio(ai->config_desc.card_ram_off,
4132 &ai->config_desc.rid_desc, sizeof(Rid));
4133
4134 rc = issuecommand(ai, &cmd, &rsp);
4135
4136 if (rsp.status & 0x7f00)
4137 rc = rsp.rsp0;
4138 if (!rc)
4139 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4140 goto done;
4141 } else {
4142 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4143 rc = status;
4144 goto done;
4145 }
4146 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4147 rc = ERROR;
4148 goto done;
4149 }
4150 // read the rid length field
4151 bap_read(ai, pBuf, 2, BAP1);
4152 // length for remaining part of rid
4153 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4154
4155 if ( len <= 2 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004156 airo_print_err(ai->dev->name,
4157 "Rid %x has a length of %d which is too short",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004158 (int)rid, (int)len );
4159 rc = ERROR;
4160 goto done;
4161 }
4162 // read remainder of the rid
4163 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4164 }
4165done:
4166 if (lock)
4167 up(&ai->sem);
4168 return rc;
4169}
4170
4171/* Note, that we are using BAP1 which is also used by transmit, so
4172 * make sure this isnt called when a transmit is happening */
4173static int PC4500_writerid(struct airo_info *ai, u16 rid,
4174 const void *pBuf, int len, int lock)
4175{
4176 u16 status;
4177 int rc = SUCCESS;
4178
4179 *(u16*)pBuf = cpu_to_le16((u16)len);
4180
4181 if (lock) {
4182 if (down_interruptible(&ai->sem))
4183 return ERROR;
4184 }
4185 if (test_bit(FLAG_MPI,&ai->flags)) {
4186 Cmd cmd;
4187 Resp rsp;
4188
Dan Streetmanf89b2322005-11-11 11:41:42 -05004189 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
Dan Williams934d8bf2006-03-16 13:46:23 -05004190 airo_print_err(ai->dev->name,
4191 "%s: MAC should be disabled (rid=%04x)",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004192 __FUNCTION__, rid);
4193 memset(&cmd, 0, sizeof(cmd));
4194 memset(&rsp, 0, sizeof(rsp));
4195
4196 ai->config_desc.rid_desc.valid = 1;
4197 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4198 ai->config_desc.rid_desc.rid = 0;
4199
4200 cmd.cmd = CMD_WRITERID;
4201 cmd.parm0 = rid;
4202
4203 memcpy_toio(ai->config_desc.card_ram_off,
4204 &ai->config_desc.rid_desc, sizeof(Rid));
4205
4206 if (len < 4 || len > 2047) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004207 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004208 rc = -1;
4209 } else {
4210 memcpy((char *)ai->config_desc.virtual_host_addr,
4211 pBuf, len);
4212
4213 rc = issuecommand(ai, &cmd, &rsp);
4214 if ((rc & 0xff00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004215 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4216 __FUNCTION__, rc);
4217 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4218 __FUNCTION__, cmd.cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004219 }
4220
4221 if ((rsp.status & 0x7f00))
4222 rc = rsp.rsp0;
4223 }
4224 } else {
4225 // --- first access so that we can write the rid data
4226 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4227 rc = status;
4228 goto done;
4229 }
4230 // --- now write the rid data
4231 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4232 rc = ERROR;
4233 goto done;
4234 }
4235 bap_write(ai, pBuf, len, BAP1);
4236 // ---now commit the rid data
4237 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4238 }
4239done:
4240 if (lock)
4241 up(&ai->sem);
4242 return rc;
4243}
4244
4245/* Allocates a FID to be used for transmitting packets. We only use
4246 one for now. */
4247static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4248{
4249 unsigned int loop = 3000;
4250 Cmd cmd;
4251 Resp rsp;
4252 u16 txFid;
4253 u16 txControl;
4254
4255 cmd.cmd = CMD_ALLOCATETX;
4256 cmd.parm0 = lenPayload;
4257 if (down_interruptible(&ai->sem))
4258 return ERROR;
4259 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4260 txFid = ERROR;
4261 goto done;
4262 }
4263 if ( (rsp.status & 0xFF00) != 0) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 /* wait for the allocate event/indication
4268 * It makes me kind of nervous that this can just sit here and spin,
4269 * but in practice it only loops like four times. */
4270 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4271 if (!loop) {
4272 txFid = ERROR;
4273 goto done;
4274 }
4275
4276 // get the allocated fid and acknowledge
4277 txFid = IN4500(ai, TXALLOCFID);
4278 OUT4500(ai, EVACK, EV_ALLOC);
4279
4280 /* The CARD is pretty cool since it converts the ethernet packet
4281 * into 802.11. Also note that we don't release the FID since we
4282 * will be using the same one over and over again. */
4283 /* We only have to setup the control once since we are not
4284 * releasing the fid. */
4285 if (raw)
4286 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4287 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4288 else
4289 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4290 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4291 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4292 txFid = ERROR;
4293 else
4294 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4295
4296done:
4297 up(&ai->sem);
4298
4299 return txFid;
4300}
4301
4302/* In general BAP1 is dedicated to transmiting packets. However,
4303 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4304 Make sure the BAP1 spinlock is held when this is called. */
4305static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4306{
4307 u16 payloadLen;
4308 Cmd cmd;
4309 Resp rsp;
4310 int miclen = 0;
4311 u16 txFid = len;
4312 MICBuffer pMic;
4313
4314 len >>= 16;
4315
4316 if (len <= ETH_ALEN * 2) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004317 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004318 return ERROR;
4319 }
4320 len -= ETH_ALEN * 2;
4321
Linus Torvalds1da177e2005-04-16 15:20:36 -07004322 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4323 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4324 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4325 return ERROR;
4326 miclen = sizeof(pMic);
4327 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004328 // packet is destination[6], source[6], payload[len-12]
4329 // write the payload length and dst/src/payload
4330 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4331 /* The hardware addresses aren't counted as part of the payload, so
4332 * we have to subtract the 12 bytes for the addresses off */
4333 payloadLen = cpu_to_le16(len + miclen);
4334 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4335 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4336 if (miclen)
4337 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4338 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4339 // issue the transmit command
4340 memset( &cmd, 0, sizeof( cmd ) );
4341 cmd.cmd = CMD_TRANSMIT;
4342 cmd.parm0 = txFid;
4343 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4344 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4345 return SUCCESS;
4346}
4347
4348static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4349{
4350 u16 fc, payloadLen;
4351 Cmd cmd;
4352 Resp rsp;
4353 int hdrlen;
4354 struct {
4355 u8 addr4[ETH_ALEN];
4356 u16 gaplen;
4357 u8 gap[6];
4358 } gap;
4359 u16 txFid = len;
4360 len >>= 16;
4361 gap.gaplen = 6;
4362
4363 fc = le16_to_cpu(*(const u16*)pPacket);
4364 switch (fc & 0xc) {
4365 case 4:
4366 if ((fc & 0xe0) == 0xc0)
4367 hdrlen = 10;
4368 else
4369 hdrlen = 16;
4370 break;
4371 case 8:
4372 if ((fc&0x300)==0x300){
4373 hdrlen = 30;
4374 break;
4375 }
4376 default:
4377 hdrlen = 24;
4378 }
4379
4380 if (len < hdrlen) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004381 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004382 return ERROR;
4383 }
4384
4385 /* packet is 802.11 header + payload
4386 * write the payload length and dst/src/payload */
4387 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4388 /* The 802.11 header aren't counted as part of the payload, so
4389 * we have to subtract the header bytes off */
4390 payloadLen = cpu_to_le16(len-hdrlen);
4391 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4392 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4393 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4394 bap_write(ai, hdrlen == 30 ?
4395 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4396
4397 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4398 // issue the transmit command
4399 memset( &cmd, 0, sizeof( cmd ) );
4400 cmd.cmd = CMD_TRANSMIT;
4401 cmd.parm0 = txFid;
4402 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4403 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4404 return SUCCESS;
4405}
4406
4407/*
4408 * This is the proc_fs routines. It is a bit messier than I would
4409 * like! Feel free to clean it up!
4410 */
4411
4412static ssize_t proc_read( struct file *file,
4413 char __user *buffer,
4414 size_t len,
4415 loff_t *offset);
4416
4417static ssize_t proc_write( struct file *file,
4418 const char __user *buffer,
4419 size_t len,
4420 loff_t *offset );
4421static int proc_close( struct inode *inode, struct file *file );
4422
4423static int proc_stats_open( struct inode *inode, struct file *file );
4424static int proc_statsdelta_open( struct inode *inode, struct file *file );
4425static int proc_status_open( struct inode *inode, struct file *file );
4426static int proc_SSID_open( struct inode *inode, struct file *file );
4427static int proc_APList_open( struct inode *inode, struct file *file );
4428static int proc_BSSList_open( struct inode *inode, struct file *file );
4429static int proc_config_open( struct inode *inode, struct file *file );
4430static int proc_wepkey_open( struct inode *inode, struct file *file );
4431
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004432static const struct file_operations proc_statsdelta_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004433 .read = proc_read,
4434 .open = proc_statsdelta_open,
4435 .release = proc_close
4436};
4437
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004438static const struct file_operations proc_stats_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004439 .read = proc_read,
4440 .open = proc_stats_open,
4441 .release = proc_close
4442};
4443
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004444static const struct file_operations proc_status_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004445 .read = proc_read,
4446 .open = proc_status_open,
4447 .release = proc_close
4448};
4449
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004450static const struct file_operations proc_SSID_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004451 .read = proc_read,
4452 .write = proc_write,
4453 .open = proc_SSID_open,
4454 .release = proc_close
4455};
4456
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004457static const struct file_operations proc_BSSList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004458 .read = proc_read,
4459 .write = proc_write,
4460 .open = proc_BSSList_open,
4461 .release = proc_close
4462};
4463
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004464static const struct file_operations proc_APList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004465 .read = proc_read,
4466 .write = proc_write,
4467 .open = proc_APList_open,
4468 .release = proc_close
4469};
4470
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004471static const struct file_operations proc_config_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_config_open,
4475 .release = proc_close
4476};
4477
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004478static const struct file_operations proc_wepkey_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004479 .read = proc_read,
4480 .write = proc_write,
4481 .open = proc_wepkey_open,
4482 .release = proc_close
4483};
4484
4485static struct proc_dir_entry *airo_entry;
4486
4487struct proc_data {
4488 int release_buffer;
4489 int readlen;
4490 char *rbuffer;
4491 int writelen;
4492 int maxwritelen;
4493 char *wbuffer;
4494 void (*on_close) (struct inode *, struct file *);
4495};
4496
4497#ifndef SETPROC_OPS
4498#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4499#endif
4500
4501static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4507 S_IFDIR|airo_perm,
4508 airo_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004509 if (!apriv->proc_entry)
4510 goto fail;
4511 apriv->proc_entry->uid = proc_uid;
4512 apriv->proc_entry->gid = proc_gid;
4513 apriv->proc_entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004514
4515 /* Setup the StatsDelta */
4516 entry = create_proc_entry("StatsDelta",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004519 if (!entry)
4520 goto fail_stats_delta;
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004523 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004524 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004525 SETPROC_OPS(entry, proc_statsdelta_ops);
4526
4527 /* Setup the Stats */
4528 entry = create_proc_entry("Stats",
4529 S_IFREG | (S_IRUGO&proc_perm),
4530 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004531 if (!entry)
4532 goto fail_stats;
4533 entry->uid = proc_uid;
4534 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004535 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004536 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004537 SETPROC_OPS(entry, proc_stats_ops);
4538
4539 /* Setup the Status */
4540 entry = create_proc_entry("Status",
4541 S_IFREG | (S_IRUGO&proc_perm),
4542 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004543 if (!entry)
4544 goto fail_status;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004547 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004548 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004549 SETPROC_OPS(entry, proc_status_ops);
4550
4551 /* Setup the Config */
4552 entry = create_proc_entry("Config",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004555 if (!entry)
4556 goto fail_config;
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004559 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004560 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004561 SETPROC_OPS(entry, proc_config_ops);
4562
4563 /* Setup the SSID */
4564 entry = create_proc_entry("SSID",
4565 S_IFREG | proc_perm,
4566 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004567 if (!entry)
4568 goto fail_ssid;
4569 entry->uid = proc_uid;
4570 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004571 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004572 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004573 SETPROC_OPS(entry, proc_SSID_ops);
4574
4575 /* Setup the APList */
4576 entry = create_proc_entry("APList",
4577 S_IFREG | proc_perm,
4578 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004579 if (!entry)
4580 goto fail_aplist;
4581 entry->uid = proc_uid;
4582 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004583 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004584 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004585 SETPROC_OPS(entry, proc_APList_ops);
4586
4587 /* Setup the BSSList */
4588 entry = create_proc_entry("BSSList",
4589 S_IFREG | proc_perm,
4590 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004591 if (!entry)
4592 goto fail_bsslist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004593 entry->uid = proc_uid;
4594 entry->gid = proc_gid;
4595 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004596 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004597 SETPROC_OPS(entry, proc_BSSList_ops);
4598
4599 /* Setup the WepKey */
4600 entry = create_proc_entry("WepKey",
4601 S_IFREG | proc_perm,
4602 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004603 if (!entry)
4604 goto fail_wepkey;
4605 entry->uid = proc_uid;
4606 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004607 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004608 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004609 SETPROC_OPS(entry, proc_wepkey_ops);
4610
4611 return 0;
Florin Malita431aca52006-10-10 16:46:30 -04004612
4613fail_wepkey:
4614 remove_proc_entry("BSSList", apriv->proc_entry);
4615fail_bsslist:
4616 remove_proc_entry("APList", apriv->proc_entry);
4617fail_aplist:
4618 remove_proc_entry("SSID", apriv->proc_entry);
4619fail_ssid:
4620 remove_proc_entry("Config", apriv->proc_entry);
4621fail_config:
4622 remove_proc_entry("Status", apriv->proc_entry);
4623fail_status:
4624 remove_proc_entry("Stats", apriv->proc_entry);
4625fail_stats:
4626 remove_proc_entry("StatsDelta", apriv->proc_entry);
4627fail_stats_delta:
4628 remove_proc_entry(apriv->proc_name, airo_entry);
4629fail:
4630 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004631}
4632
4633static int takedown_proc_entry( struct net_device *dev,
4634 struct airo_info *apriv ) {
4635 if ( !apriv->proc_entry->namelen ) return 0;
4636 remove_proc_entry("Stats",apriv->proc_entry);
4637 remove_proc_entry("StatsDelta",apriv->proc_entry);
4638 remove_proc_entry("Status",apriv->proc_entry);
4639 remove_proc_entry("Config",apriv->proc_entry);
4640 remove_proc_entry("SSID",apriv->proc_entry);
4641 remove_proc_entry("APList",apriv->proc_entry);
4642 remove_proc_entry("BSSList",apriv->proc_entry);
4643 remove_proc_entry("WepKey",apriv->proc_entry);
4644 remove_proc_entry(apriv->proc_name,airo_entry);
4645 return 0;
4646}
4647
4648/*
4649 * What we want from the proc_fs is to be able to efficiently read
4650 * and write the configuration. To do this, we want to read the
4651 * configuration when the file is opened and write it when the file is
4652 * closed. So basically we allocate a read buffer at open and fill it
4653 * with data, and allocate a write buffer and read it at close.
4654 */
4655
4656/*
4657 * The read routine is generic, it relies on the preallocated rbuffer
4658 * to supply the data.
4659 */
4660static ssize_t proc_read( struct file *file,
4661 char __user *buffer,
4662 size_t len,
4663 loff_t *offset )
4664{
4665 loff_t pos = *offset;
4666 struct proc_data *priv = (struct proc_data*)file->private_data;
4667
4668 if (!priv->rbuffer)
4669 return -EINVAL;
4670
4671 if (pos < 0)
4672 return -EINVAL;
4673 if (pos >= priv->readlen)
4674 return 0;
4675 if (len > priv->readlen - pos)
4676 len = priv->readlen - pos;
4677 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4678 return -EFAULT;
4679 *offset = pos + len;
4680 return len;
4681}
4682
4683/*
4684 * The write routine is generic, it fills in a preallocated rbuffer
4685 * to supply the data.
4686 */
4687static ssize_t proc_write( struct file *file,
4688 const char __user *buffer,
4689 size_t len,
4690 loff_t *offset )
4691{
4692 loff_t pos = *offset;
4693 struct proc_data *priv = (struct proc_data*)file->private_data;
4694
4695 if (!priv->wbuffer)
4696 return -EINVAL;
4697
4698 if (pos < 0)
4699 return -EINVAL;
4700 if (pos >= priv->maxwritelen)
4701 return 0;
4702 if (len > priv->maxwritelen - pos)
4703 len = priv->maxwritelen - pos;
4704 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4705 return -EFAULT;
4706 if ( pos + len > priv->writelen )
4707 priv->writelen = len + file->f_pos;
4708 *offset = pos + len;
4709 return len;
4710}
4711
4712static int proc_status_open( struct inode *inode, struct file *file ) {
4713 struct proc_data *data;
4714 struct proc_dir_entry *dp = PDE(inode);
4715 struct net_device *dev = dp->data;
4716 struct airo_info *apriv = dev->priv;
4717 CapabilityRid cap_rid;
4718 StatusRid status_rid;
4719 int i;
4720
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004721 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004722 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004723 data = (struct proc_data *)file->private_data;
4724 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4725 kfree (file->private_data);
4726 return -ENOMEM;
4727 }
4728
4729 readStatusRid(apriv, &status_rid, 1);
4730 readCapabilityRid(apriv, &cap_rid, 1);
4731
4732 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4733 status_rid.mode & 1 ? "CFG ": "",
4734 status_rid.mode & 2 ? "ACT ": "",
4735 status_rid.mode & 0x10 ? "SYN ": "",
4736 status_rid.mode & 0x20 ? "LNK ": "",
4737 status_rid.mode & 0x40 ? "LEAP ": "",
4738 status_rid.mode & 0x80 ? "PRIV ": "",
4739 status_rid.mode & 0x100 ? "KEY ": "",
4740 status_rid.mode & 0x200 ? "WEP ": "",
4741 status_rid.mode & 0x8000 ? "ERR ": "");
4742 sprintf( data->rbuffer+i, "Mode: %x\n"
4743 "Signal Strength: %d\n"
4744 "Signal Quality: %d\n"
4745 "SSID: %-.*s\n"
4746 "AP: %-.16s\n"
4747 "Freq: %d\n"
4748 "BitRate: %dmbs\n"
4749 "Driver Version: %s\n"
4750 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4751 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4752 "Software Version: %x\nSoftware Subversion: %x\n"
4753 "Boot block version: %x\n",
4754 (int)status_rid.mode,
4755 (int)status_rid.normalizedSignalStrength,
4756 (int)status_rid.signalQuality,
4757 (int)status_rid.SSIDlen,
4758 status_rid.SSID,
4759 status_rid.apName,
4760 (int)status_rid.channel,
4761 (int)status_rid.currentXmitRate/2,
4762 version,
4763 cap_rid.prodName,
4764 cap_rid.manName,
4765 cap_rid.prodVer,
4766 cap_rid.radioType,
4767 cap_rid.country,
4768 cap_rid.hardVer,
4769 (int)cap_rid.softVer,
4770 (int)cap_rid.softSubVer,
4771 (int)cap_rid.bootBlockVer );
4772 data->readlen = strlen( data->rbuffer );
4773 return 0;
4774}
4775
4776static int proc_stats_rid_open(struct inode*, struct file*, u16);
4777static int proc_statsdelta_open( struct inode *inode,
4778 struct file *file ) {
4779 if (file->f_mode&FMODE_WRITE) {
4780 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4781 }
4782 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4783}
4784
4785static int proc_stats_open( struct inode *inode, struct file *file ) {
4786 return proc_stats_rid_open(inode, file, RID_STATS);
4787}
4788
4789static int proc_stats_rid_open( struct inode *inode,
4790 struct file *file,
4791 u16 rid ) {
4792 struct proc_data *data;
4793 struct proc_dir_entry *dp = PDE(inode);
4794 struct net_device *dev = dp->data;
4795 struct airo_info *apriv = dev->priv;
4796 StatsRid stats;
4797 int i, j;
4798 u32 *vals = stats.vals;
4799
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004800 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004801 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004802 data = (struct proc_data *)file->private_data;
4803 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4804 kfree (file->private_data);
4805 return -ENOMEM;
4806 }
4807
4808 readStatsRid(apriv, &stats, rid, 1);
4809
4810 j = 0;
4811 for(i=0; statsLabels[i]!=(char *)-1 &&
4812 i*4<stats.len; i++){
4813 if (!statsLabels[i]) continue;
4814 if (j+strlen(statsLabels[i])+16>4096) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004815 airo_print_warn(apriv->dev->name,
4816 "Potentially disasterous buffer overflow averted!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004817 break;
4818 }
4819 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4820 }
4821 if (i*4>=stats.len){
Dan Williams934d8bf2006-03-16 13:46:23 -05004822 airo_print_warn(apriv->dev->name, "Got a short rid");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004823 }
4824 data->readlen = j;
4825 return 0;
4826}
4827
4828static int get_dec_u16( char *buffer, int *start, int limit ) {
4829 u16 value;
4830 int valid = 0;
4831 for( value = 0; buffer[*start] >= '0' &&
4832 buffer[*start] <= '9' &&
4833 *start < limit; (*start)++ ) {
4834 valid = 1;
4835 value *= 10;
4836 value += buffer[*start] - '0';
4837 }
4838 if ( !valid ) return -1;
4839 return value;
4840}
4841
4842static int airo_config_commit(struct net_device *dev,
4843 struct iw_request_info *info, void *zwrq,
4844 char *extra);
4845
4846static void proc_config_on_close( struct inode *inode, struct file *file ) {
4847 struct proc_data *data = file->private_data;
4848 struct proc_dir_entry *dp = PDE(inode);
4849 struct net_device *dev = dp->data;
4850 struct airo_info *ai = dev->priv;
4851 char *line;
4852
4853 if ( !data->writelen ) return;
4854
4855 readConfigRid(ai, 1);
4856 set_bit (FLAG_COMMIT, &ai->flags);
4857
4858 line = data->wbuffer;
4859 while( line[0] ) {
4860/*** Mode processing */
4861 if ( !strncmp( line, "Mode: ", 6 ) ) {
4862 line += 6;
4863 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4864 set_bit (FLAG_RESET, &ai->flags);
4865 ai->config.rmode &= 0xfe00;
4866 clear_bit (FLAG_802_11, &ai->flags);
4867 ai->config.opmode &= 0xFF00;
4868 ai->config.scanMode = SCANMODE_ACTIVE;
4869 if ( line[0] == 'a' ) {
4870 ai->config.opmode |= 0;
4871 } else {
4872 ai->config.opmode |= 1;
4873 if ( line[0] == 'r' ) {
4874 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4875 ai->config.scanMode = SCANMODE_PASSIVE;
4876 set_bit (FLAG_802_11, &ai->flags);
4877 } else if ( line[0] == 'y' ) {
4878 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4879 ai->config.scanMode = SCANMODE_PASSIVE;
4880 set_bit (FLAG_802_11, &ai->flags);
4881 } else if ( line[0] == 'l' )
4882 ai->config.rmode |= RXMODE_LANMON;
4883 }
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 }
4886
4887/*** Radio status */
4888 else if (!strncmp(line,"Radio: ", 7)) {
4889 line += 7;
4890 if (!strncmp(line,"off",3)) {
4891 set_bit (FLAG_RADIO_OFF, &ai->flags);
4892 } else {
4893 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4894 }
4895 }
4896/*** NodeName processing */
4897 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4898 int j;
4899
4900 line += 10;
4901 memset( ai->config.nodeName, 0, 16 );
4902/* Do the name, assume a space between the mode and node name */
4903 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4904 ai->config.nodeName[j] = line[j];
4905 }
4906 set_bit (FLAG_COMMIT, &ai->flags);
4907 }
4908
4909/*** PowerMode processing */
4910 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4911 line += 11;
4912 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4913 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4914 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if ( !strncmp( line, "PSP", 3 ) ) {
4916 ai->config.powerSaveMode = POWERSAVE_PSP;
4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else {
4919 ai->config.powerSaveMode = POWERSAVE_CAM;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 }
4922 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4923 int v, i = 0, k = 0; /* i is index into line,
4924 k is index to rates */
4925
4926 line += 11;
4927 while((v = get_dec_u16(line, &i, 3))!=-1) {
4928 ai->config.rates[k++] = (u8)v;
4929 line += i + 1;
4930 i = 0;
4931 }
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4934 int v, i = 0;
4935 line += 9;
4936 v = get_dec_u16(line, &i, i+3);
4937 if ( v != -1 ) {
4938 ai->config.channelSet = (u16)v;
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 }
4941 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4942 int v, i = 0;
4943 line += 11;
4944 v = get_dec_u16(line, &i, i+3);
4945 if ( v != -1 ) {
4946 ai->config.txPower = (u16)v;
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 }
4949 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4950 line += 5;
4951 switch( line[0] ) {
4952 case 's':
4953 ai->config.authType = (u16)AUTH_SHAREDKEY;
4954 break;
4955 case 'e':
4956 ai->config.authType = (u16)AUTH_ENCRYPT;
4957 break;
4958 default:
4959 ai->config.authType = (u16)AUTH_OPEN;
4960 break;
4961 }
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 3);
4968 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4969 ai->config.longRetryLimit = (u16)v;
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4972 int v, i = 0;
4973
4974 line += 17;
4975 v = get_dec_u16(line, &i, 3);
4976 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4977 ai->config.shortRetryLimit = (u16)v;
4978 set_bit (FLAG_COMMIT, &ai->flags);
4979 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4980 int v, i = 0;
4981
4982 line += 14;
4983 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004984 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004985 ai->config.rtsThres = (u16)v;
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4988 int v, i = 0;
4989
4990 line += 16;
4991 v = get_dec_u16(line, &i, 5);
4992 v = (v<0) ? 0 : v;
4993 ai->config.txLifetime = (u16)v;
4994 set_bit (FLAG_COMMIT, &ai->flags);
4995 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4996 int v, i = 0;
4997
4998 line += 16;
4999 v = get_dec_u16(line, &i, 5);
5000 v = (v<0) ? 0 : v;
5001 ai->config.rxLifetime = (u16)v;
5002 set_bit (FLAG_COMMIT, &ai->flags);
5003 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5004 ai->config.txDiversity =
5005 (line[13]=='l') ? 1 :
5006 ((line[13]=='r')? 2: 3);
5007 set_bit (FLAG_COMMIT, &ai->flags);
5008 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5009 ai->config.rxDiversity =
5010 (line[13]=='l') ? 1 :
5011 ((line[13]=='r')? 2: 3);
5012 set_bit (FLAG_COMMIT, &ai->flags);
5013 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5014 int v, i = 0;
5015
5016 line += 15;
5017 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05005018 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005019 v = v & 0xfffe; /* Make sure its even */
5020 ai->config.fragThresh = (u16)v;
5021 set_bit (FLAG_COMMIT, &ai->flags);
5022 } else if (!strncmp(line, "Modulation: ", 12)) {
5023 line += 12;
5024 switch(*line) {
5025 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5026 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5027 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005028 default: airo_print_warn(ai->dev->name, "Unknown modulation");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005029 }
5030 } else if (!strncmp(line, "Preamble: ", 10)) {
5031 line += 10;
5032 switch(*line) {
5033 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5034 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5035 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005036 default: airo_print_warn(ai->dev->name, "Unknown preamble");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005037 }
5038 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005039 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005040 }
5041 while( line[0] && line[0] != '\n' ) line++;
5042 if ( line[0] ) line++;
5043 }
5044 airo_config_commit(dev, NULL, NULL, NULL);
5045}
5046
5047static char *get_rmode(u16 mode) {
5048 switch(mode&0xff) {
5049 case RXMODE_RFMON: return "rfmon";
5050 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5051 case RXMODE_LANMON: return "lanmon";
5052 }
5053 return "ESS";
5054}
5055
5056static int proc_config_open( struct inode *inode, struct file *file ) {
5057 struct proc_data *data;
5058 struct proc_dir_entry *dp = PDE(inode);
5059 struct net_device *dev = dp->data;
5060 struct airo_info *ai = dev->priv;
5061 int i;
5062
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005063 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005064 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005065 data = (struct proc_data *)file->private_data;
5066 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5067 kfree (file->private_data);
5068 return -ENOMEM;
5069 }
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005070 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005071 kfree (data->rbuffer);
5072 kfree (file->private_data);
5073 return -ENOMEM;
5074 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005075 data->maxwritelen = 2048;
5076 data->on_close = proc_config_on_close;
5077
5078 readConfigRid(ai, 1);
5079
5080 i = sprintf( data->rbuffer,
5081 "Mode: %s\n"
5082 "Radio: %s\n"
5083 "NodeName: %-16s\n"
5084 "PowerMode: %s\n"
5085 "DataRates: %d %d %d %d %d %d %d %d\n"
5086 "Channel: %d\n"
5087 "XmitPower: %d\n",
5088 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5089 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5090 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5091 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5092 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5093 ai->config.nodeName,
5094 ai->config.powerSaveMode == 0 ? "CAM" :
5095 ai->config.powerSaveMode == 1 ? "PSP" :
5096 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5097 (int)ai->config.rates[0],
5098 (int)ai->config.rates[1],
5099 (int)ai->config.rates[2],
5100 (int)ai->config.rates[3],
5101 (int)ai->config.rates[4],
5102 (int)ai->config.rates[5],
5103 (int)ai->config.rates[6],
5104 (int)ai->config.rates[7],
5105 (int)ai->config.channelSet,
5106 (int)ai->config.txPower
5107 );
5108 sprintf( data->rbuffer + i,
5109 "LongRetryLimit: %d\n"
5110 "ShortRetryLimit: %d\n"
5111 "RTSThreshold: %d\n"
5112 "TXMSDULifetime: %d\n"
5113 "RXMSDULifetime: %d\n"
5114 "TXDiversity: %s\n"
5115 "RXDiversity: %s\n"
5116 "FragThreshold: %d\n"
5117 "WEP: %s\n"
5118 "Modulation: %s\n"
5119 "Preamble: %s\n",
5120 (int)ai->config.longRetryLimit,
5121 (int)ai->config.shortRetryLimit,
5122 (int)ai->config.rtsThres,
5123 (int)ai->config.txLifetime,
5124 (int)ai->config.rxLifetime,
5125 ai->config.txDiversity == 1 ? "left" :
5126 ai->config.txDiversity == 2 ? "right" : "both",
5127 ai->config.rxDiversity == 1 ? "left" :
5128 ai->config.rxDiversity == 2 ? "right" : "both",
5129 (int)ai->config.fragThresh,
5130 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5131 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5132 ai->config.modulation == 0 ? "default" :
5133 ai->config.modulation == MOD_CCK ? "cck" :
5134 ai->config.modulation == MOD_MOK ? "mok" : "error",
5135 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5136 ai->config.preamble == PREAMBLE_LONG ? "long" :
5137 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5138 );
5139 data->readlen = strlen( data->rbuffer );
5140 return 0;
5141}
5142
5143static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5144 struct proc_data *data = (struct proc_data *)file->private_data;
5145 struct proc_dir_entry *dp = PDE(inode);
5146 struct net_device *dev = dp->data;
5147 struct airo_info *ai = dev->priv;
5148 SsidRid SSID_rid;
5149 Resp rsp;
5150 int i;
5151 int offset = 0;
5152
5153 if ( !data->writelen ) return;
5154
5155 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5156
5157 for( i = 0; i < 3; i++ ) {
5158 int j;
5159 for( j = 0; j+offset < data->writelen && j < 32 &&
5160 data->wbuffer[offset+j] != '\n'; j++ ) {
5161 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5162 }
5163 if ( j == 0 ) break;
5164 SSID_rid.ssids[i].len = j;
5165 offset += j;
5166 while( data->wbuffer[offset] != '\n' &&
5167 offset < data->writelen ) offset++;
5168 offset++;
5169 }
5170 if (i)
5171 SSID_rid.len = sizeof(SSID_rid);
5172 disable_MAC(ai, 1);
5173 writeSsidRid(ai, &SSID_rid, 1);
5174 enable_MAC(ai, &rsp, 1);
5175}
5176
Jesper Juhl77933d72005-07-27 11:46:09 -07005177static inline u8 hexVal(char c) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005178 if (c>='0' && c<='9') return c -= '0';
5179 if (c>='a' && c<='f') return c -= 'a'-10;
5180 if (c>='A' && c<='F') return c -= 'A'-10;
5181 return 0;
5182}
5183
5184static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5185 struct proc_data *data = (struct proc_data *)file->private_data;
5186 struct proc_dir_entry *dp = PDE(inode);
5187 struct net_device *dev = dp->data;
5188 struct airo_info *ai = dev->priv;
5189 APListRid APList_rid;
5190 Resp rsp;
5191 int i;
5192
5193 if ( !data->writelen ) return;
5194
5195 memset( &APList_rid, 0, sizeof(APList_rid) );
5196 APList_rid.len = sizeof(APList_rid);
5197
5198 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5199 int j;
5200 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5201 switch(j%3) {
5202 case 0:
5203 APList_rid.ap[i][j/3]=
5204 hexVal(data->wbuffer[j+i*6*3])<<4;
5205 break;
5206 case 1:
5207 APList_rid.ap[i][j/3]|=
5208 hexVal(data->wbuffer[j+i*6*3]);
5209 break;
5210 }
5211 }
5212 }
5213 disable_MAC(ai, 1);
5214 writeAPListRid(ai, &APList_rid, 1);
5215 enable_MAC(ai, &rsp, 1);
5216}
5217
5218/* This function wraps PC4500_writerid with a MAC disable */
5219static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5220 int len, int dummy ) {
5221 int rc;
5222 Resp rsp;
5223
5224 disable_MAC(ai, 1);
5225 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5226 enable_MAC(ai, &rsp, 1);
5227 return rc;
5228}
5229
5230/* Returns the length of the key at the index. If index == 0xffff
5231 * the index of the transmit key is returned. If the key doesn't exist,
5232 * -1 will be returned.
5233 */
5234static int get_wep_key(struct airo_info *ai, u16 index) {
5235 WepKeyRid wkr;
5236 int rc;
5237 u16 lastindex;
5238
5239 rc = readWepKeyRid(ai, &wkr, 1, 1);
5240 if (rc == SUCCESS) do {
5241 lastindex = wkr.kindex;
5242 if (wkr.kindex == index) {
5243 if (index == 0xffff) {
5244 return wkr.mac[0];
5245 }
5246 return wkr.klen;
5247 }
5248 readWepKeyRid(ai, &wkr, 0, 1);
5249 } while(lastindex != wkr.kindex);
5250 return -1;
5251}
5252
5253static int set_wep_key(struct airo_info *ai, u16 index,
5254 const char *key, u16 keylen, int perm, int lock ) {
5255 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5256 WepKeyRid wkr;
5257 Resp rsp;
5258
5259 memset(&wkr, 0, sizeof(wkr));
5260 if (keylen == 0) {
5261// We are selecting which key to use
5262 wkr.len = sizeof(wkr);
5263 wkr.kindex = 0xffff;
5264 wkr.mac[0] = (char)index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005265 if (perm) ai->defindex = (char)index;
5266 } else {
5267// We are actually setting the key
5268 wkr.len = sizeof(wkr);
5269 wkr.kindex = index;
5270 wkr.klen = keylen;
5271 memcpy( wkr.key, key, keylen );
5272 memcpy( wkr.mac, macaddr, ETH_ALEN );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005273 }
5274
Dan Streetmanf89b2322005-11-11 11:41:42 -05005275 if (perm) disable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005276 writeWepKeyRid(ai, &wkr, perm, lock);
Dan Streetmanf89b2322005-11-11 11:41:42 -05005277 if (perm) enable_MAC(ai, &rsp, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005278 return 0;
5279}
5280
5281static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5282 struct proc_data *data;
5283 struct proc_dir_entry *dp = PDE(inode);
5284 struct net_device *dev = dp->data;
5285 struct airo_info *ai = dev->priv;
5286 int i;
5287 char key[16];
5288 u16 index = 0;
5289 int j = 0;
5290
5291 memset(key, 0, sizeof(key));
5292
5293 data = (struct proc_data *)file->private_data;
5294 if ( !data->writelen ) return;
5295
5296 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5297 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5298 index = data->wbuffer[0] - '0';
5299 if (data->wbuffer[1] == '\n') {
5300 set_wep_key(ai, index, NULL, 0, 1, 1);
5301 return;
5302 }
5303 j = 2;
5304 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005305 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005306 return;
5307 }
5308
5309 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5310 switch(i%3) {
5311 case 0:
5312 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5313 break;
5314 case 1:
5315 key[i/3] |= hexVal(data->wbuffer[i+j]);
5316 break;
5317 }
5318 }
5319 set_wep_key(ai, index, key, i/3, 1, 1);
5320}
5321
5322static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5323 struct proc_data *data;
5324 struct proc_dir_entry *dp = PDE(inode);
5325 struct net_device *dev = dp->data;
5326 struct airo_info *ai = dev->priv;
5327 char *ptr;
5328 WepKeyRid wkr;
5329 u16 lastindex;
5330 int j=0;
5331 int rc;
5332
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005333 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005334 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005335 memset(&wkr, 0, sizeof(wkr));
5336 data = (struct proc_data *)file->private_data;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005337 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005338 kfree (file->private_data);
5339 return -ENOMEM;
5340 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005341 data->writelen = 0;
5342 data->maxwritelen = 80;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005343 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005344 kfree (data->rbuffer);
5345 kfree (file->private_data);
5346 return -ENOMEM;
5347 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005348 data->on_close = proc_wepkey_on_close;
5349
5350 ptr = data->rbuffer;
5351 strcpy(ptr, "No wep keys\n");
5352 rc = readWepKeyRid(ai, &wkr, 1, 1);
5353 if (rc == SUCCESS) do {
5354 lastindex = wkr.kindex;
5355 if (wkr.kindex == 0xffff) {
5356 j += sprintf(ptr+j, "Tx key = %d\n",
5357 (int)wkr.mac[0]);
5358 } else {
5359 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5360 (int)wkr.kindex, (int)wkr.klen);
5361 }
5362 readWepKeyRid(ai, &wkr, 0, 1);
5363 } while((lastindex != wkr.kindex) && (j < 180-30));
5364
5365 data->readlen = strlen( data->rbuffer );
5366 return 0;
5367}
5368
5369static int proc_SSID_open( struct inode *inode, struct file *file ) {
5370 struct proc_data *data;
5371 struct proc_dir_entry *dp = PDE(inode);
5372 struct net_device *dev = dp->data;
5373 struct airo_info *ai = dev->priv;
5374 int i;
5375 char *ptr;
5376 SsidRid SSID_rid;
5377
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005378 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005379 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005380 data = (struct proc_data *)file->private_data;
5381 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5382 kfree (file->private_data);
5383 return -ENOMEM;
5384 }
5385 data->writelen = 0;
5386 data->maxwritelen = 33*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005387 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005388 kfree (data->rbuffer);
5389 kfree (file->private_data);
5390 return -ENOMEM;
5391 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005392 data->on_close = proc_SSID_on_close;
5393
5394 readSsidRid(ai, &SSID_rid);
5395 ptr = data->rbuffer;
5396 for( i = 0; i < 3; i++ ) {
5397 int j;
5398 if ( !SSID_rid.ssids[i].len ) break;
5399 for( j = 0; j < 32 &&
5400 j < SSID_rid.ssids[i].len &&
5401 SSID_rid.ssids[i].ssid[j]; j++ ) {
5402 *ptr++ = SSID_rid.ssids[i].ssid[j];
5403 }
5404 *ptr++ = '\n';
5405 }
5406 *ptr = '\0';
5407 data->readlen = strlen( data->rbuffer );
5408 return 0;
5409}
5410
5411static int proc_APList_open( struct inode *inode, struct file *file ) {
5412 struct proc_data *data;
5413 struct proc_dir_entry *dp = PDE(inode);
5414 struct net_device *dev = dp->data;
5415 struct airo_info *ai = dev->priv;
5416 int i;
5417 char *ptr;
5418 APListRid APList_rid;
5419
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005420 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005421 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005422 data = (struct proc_data *)file->private_data;
5423 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5424 kfree (file->private_data);
5425 return -ENOMEM;
5426 }
5427 data->writelen = 0;
5428 data->maxwritelen = 4*6*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005429 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005430 kfree (data->rbuffer);
5431 kfree (file->private_data);
5432 return -ENOMEM;
5433 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005434 data->on_close = proc_APList_on_close;
5435
5436 readAPListRid(ai, &APList_rid);
5437 ptr = data->rbuffer;
5438 for( i = 0; i < 4; i++ ) {
5439// We end when we find a zero MAC
5440 if ( !*(int*)APList_rid.ap[i] &&
5441 !*(int*)&APList_rid.ap[i][2]) break;
5442 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5443 (int)APList_rid.ap[i][0],
5444 (int)APList_rid.ap[i][1],
5445 (int)APList_rid.ap[i][2],
5446 (int)APList_rid.ap[i][3],
5447 (int)APList_rid.ap[i][4],
5448 (int)APList_rid.ap[i][5]);
5449 }
5450 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5451
5452 *ptr = '\0';
5453 data->readlen = strlen( data->rbuffer );
5454 return 0;
5455}
5456
5457static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5458 struct proc_data *data;
5459 struct proc_dir_entry *dp = PDE(inode);
5460 struct net_device *dev = dp->data;
5461 struct airo_info *ai = dev->priv;
5462 char *ptr;
5463 BSSListRid BSSList_rid;
5464 int rc;
5465 /* If doLoseSync is not 1, we won't do a Lose Sync */
5466 int doLoseSync = -1;
5467
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005468 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005469 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005470 data = (struct proc_data *)file->private_data;
5471 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5472 kfree (file->private_data);
5473 return -ENOMEM;
5474 }
5475 data->writelen = 0;
5476 data->maxwritelen = 0;
5477 data->wbuffer = NULL;
5478 data->on_close = NULL;
5479
5480 if (file->f_mode & FMODE_WRITE) {
5481 if (!(file->f_mode & FMODE_READ)) {
5482 Cmd cmd;
5483 Resp rsp;
5484
5485 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5486 memset(&cmd, 0, sizeof(cmd));
5487 cmd.cmd=CMD_LISTBSS;
5488 if (down_interruptible(&ai->sem))
5489 return -ERESTARTSYS;
5490 issuecommand(ai, &cmd, &rsp);
5491 up(&ai->sem);
5492 data->readlen = 0;
5493 return 0;
5494 }
5495 doLoseSync = 1;
5496 }
5497 ptr = data->rbuffer;
5498 /* There is a race condition here if there are concurrent opens.
5499 Since it is a rare condition, we'll just live with it, otherwise
5500 we have to add a spin lock... */
5501 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5502 while(rc == 0 && BSSList_rid.index != 0xffff) {
5503 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5504 (int)BSSList_rid.bssid[0],
5505 (int)BSSList_rid.bssid[1],
5506 (int)BSSList_rid.bssid[2],
5507 (int)BSSList_rid.bssid[3],
5508 (int)BSSList_rid.bssid[4],
5509 (int)BSSList_rid.bssid[5],
5510 (int)BSSList_rid.ssidLen,
5511 BSSList_rid.ssid,
Dan Williams41480af2005-05-10 09:45:51 -04005512 (int)BSSList_rid.dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005513 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5514 (int)BSSList_rid.dsChannel,
5515 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5516 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5517 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5518 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5519 rc = readBSSListRid(ai, 0, &BSSList_rid);
5520 }
5521 *ptr = '\0';
5522 data->readlen = strlen( data->rbuffer );
5523 return 0;
5524}
5525
5526static int proc_close( struct inode *inode, struct file *file )
5527{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04005528 struct proc_data *data = file->private_data;
5529
5530 if (data->on_close != NULL)
5531 data->on_close(inode, file);
5532 kfree(data->rbuffer);
5533 kfree(data->wbuffer);
5534 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005535 return 0;
5536}
5537
5538static struct net_device_list {
5539 struct net_device *dev;
5540 struct net_device_list *next;
5541} *airo_devices;
5542
5543/* Since the card doesn't automatically switch to the right WEP mode,
5544 we will make it do it. If the card isn't associated, every secs we
5545 will switch WEP modes to see if that will help. If the card is
5546 associated we will check every minute to see if anything has
5547 changed. */
5548static void timer_func( struct net_device *dev ) {
5549 struct airo_info *apriv = dev->priv;
5550 Resp rsp;
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_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5563 apriv->config.authType = AUTH_SHAREDKEY;
5564 apriv->keyindex++;
5565 } else {
5566 /* Drop to ENCRYPT */
5567 apriv->keyindex = 0;
5568 set_wep_key(apriv, apriv->defindex, NULL, 0, 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, &rsp, 0);
5578 up(&apriv->sem);
5579
5580/* Schedule check to see if the change worked */
Dan Williams3c304952006-04-15 12:26:18 -04005581 clear_bit(JOB_AUTOWEP, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005582 apriv->expires = RUN_AT(HZ*3);
5583}
5584
5585static int add_airo_dev( struct net_device *dev ) {
5586 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5587 if ( !node )
5588 return -ENOMEM;
5589
5590 node->dev = dev;
5591 node->next = airo_devices;
5592 airo_devices = node;
5593
5594 return 0;
5595}
5596
5597static void del_airo_dev( struct net_device *dev ) {
5598 struct net_device_list **p = &airo_devices;
5599 while( *p && ( (*p)->dev != dev ) )
5600 p = &(*p)->next;
5601 if ( *p && (*p)->dev == dev )
5602 *p = (*p)->next;
5603}
5604
5605#ifdef CONFIG_PCI
5606static int __devinit airo_pci_probe(struct pci_dev *pdev,
5607 const struct pci_device_id *pent)
5608{
5609 struct net_device *dev;
5610
5611 if (pci_enable_device(pdev))
5612 return -ENODEV;
5613 pci_set_master(pdev);
5614
5615 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5616 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5617 else
5618 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5619 if (!dev)
5620 return -ENODEV;
5621
5622 pci_set_drvdata(pdev, dev);
5623 return 0;
5624}
5625
5626static void __devexit airo_pci_remove(struct pci_dev *pdev)
5627{
5628}
5629
Pavel Machek05adc3b2005-04-16 15:25:25 -07005630static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005631{
5632 struct net_device *dev = pci_get_drvdata(pdev);
5633 struct airo_info *ai = dev->priv;
5634 Cmd cmd;
5635 Resp rsp;
5636
5637 if ((ai->APList == NULL) &&
5638 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5639 return -ENOMEM;
5640 if ((ai->SSID == NULL) &&
5641 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5642 return -ENOMEM;
5643 readAPListRid(ai, ai->APList);
5644 readSsidRid(ai, ai->SSID);
5645 memset(&cmd, 0, sizeof(cmd));
5646 /* the lock will be released at the end of the resume callback */
5647 if (down_interruptible(&ai->sem))
5648 return -EAGAIN;
5649 disable_MAC(ai, 0);
5650 netif_device_detach(dev);
5651 ai->power = state;
5652 cmd.cmd=HOSTSLEEP;
5653 issuecommand(ai, &cmd, &rsp);
5654
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005655 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005656 pci_save_state(pdev);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005657 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005658}
5659
5660static int airo_pci_resume(struct pci_dev *pdev)
5661{
5662 struct net_device *dev = pci_get_drvdata(pdev);
5663 struct airo_info *ai = dev->priv;
5664 Resp rsp;
Michal Schmidt53232802005-10-04 07:46:21 -04005665 pci_power_t prev_state = pdev->current_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005666
Michal Schmidt53232802005-10-04 07:46:21 -04005667 pci_set_power_state(pdev, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005668 pci_restore_state(pdev);
Michal Schmidt53232802005-10-04 07:46:21 -04005669 pci_enable_wake(pdev, PCI_D0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005670
Michal Schmidt53232802005-10-04 07:46:21 -04005671 if (prev_state != PCI_D1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005672 reset_card(dev, 0);
5673 mpi_init_descriptors(ai);
5674 setup_card(ai, dev->dev_addr, 0);
5675 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5676 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5677 } else {
5678 OUT4500(ai, EVACK, EV_AWAKEN);
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 msleep(100);
5681 }
5682
5683 set_bit (FLAG_COMMIT, &ai->flags);
5684 disable_MAC(ai, 0);
5685 msleep(200);
5686 if (ai->SSID) {
5687 writeSsidRid(ai, ai->SSID, 0);
5688 kfree(ai->SSID);
5689 ai->SSID = NULL;
5690 }
5691 if (ai->APList) {
5692 writeAPListRid(ai, ai->APList, 0);
5693 kfree(ai->APList);
5694 ai->APList = NULL;
5695 }
5696 writeConfigRid(ai, 0);
5697 enable_MAC(ai, &rsp, 0);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005698 ai->power = PMSG_ON;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005699 netif_device_attach(dev);
5700 netif_wake_queue(dev);
5701 enable_interrupts(ai);
5702 up(&ai->sem);
5703 return 0;
5704}
5705#endif
5706
5707static int __init airo_init_module( void )
5708{
Jeff Garzikde897882006-10-01 07:31:09 -04005709 int i;
5710#if 0
5711 int have_isa_dev = 0;
5712#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005713
5714 airo_entry = create_proc_entry("aironet",
5715 S_IFDIR | airo_perm,
5716 proc_root_driver);
Jeff Garzikde897882006-10-01 07:31:09 -04005717
5718 if (airo_entry) {
5719 airo_entry->uid = proc_uid;
5720 airo_entry->gid = proc_gid;
5721 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005722
5723 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005724 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5725 "io=0x%x", irq[i], io[i] );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005726 if (init_airo_card( irq[i], io[i], 0, NULL ))
Jeff Garzikde897882006-10-01 07:31:09 -04005727#if 0
Linus Torvalds1da177e2005-04-16 15:20:36 -07005728 have_isa_dev = 1;
Jeff Garzikde897882006-10-01 07:31:09 -04005729#else
5730 /* do nothing */ ;
5731#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005732 }
5733
5734#ifdef CONFIG_PCI
Dan Williams934d8bf2006-03-16 13:46:23 -05005735 airo_print_info("", "Probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005736 i = pci_register_driver(&airo_driver);
Dan Williams934d8bf2006-03-16 13:46:23 -05005737 airo_print_info("", "Finished probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005738
5739 if (i) {
5740 remove_proc_entry("aironet", proc_root_driver);
5741 return i;
5742 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005743#endif
5744
5745 /* Always exit with success, as we are a library module
5746 * as well as a driver module
5747 */
5748 return 0;
5749}
5750
5751static void __exit airo_cleanup_module( void )
5752{
5753 while( airo_devices ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005754 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005755 stop_airo_card( airo_devices->dev, 1 );
5756 }
5757#ifdef CONFIG_PCI
5758 pci_unregister_driver(&airo_driver);
5759#endif
5760 remove_proc_entry("aironet", proc_root_driver);
5761}
5762
Linus Torvalds1da177e2005-04-16 15:20:36 -07005763/*
5764 * Initial Wireless Extension code for Aironet driver by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5766 * Conversion to new driver API by :
5767 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5768 * Javier also did a good amount of work here, adding some new extensions
5769 * and fixing my code. Let's just say that without him this code just
5770 * would not work at all... - Jean II
5771 */
5772
Dan Williams41480af2005-05-10 09:45:51 -04005773static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5774{
5775 if( !rssi_rid )
5776 return 0;
5777
5778 return (0x100 - rssi_rid[rssi].rssidBm);
5779}
5780
5781static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5782{
5783 int i;
5784
5785 if( !rssi_rid )
5786 return 0;
5787
5788 for( i = 0; i < 256; i++ )
5789 if (rssi_rid[i].rssidBm == dbm)
5790 return rssi_rid[i].rssipct;
5791
5792 return 0;
5793}
5794
5795
Linus Torvalds1da177e2005-04-16 15:20:36 -07005796static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5797{
5798 int quality = 0;
5799
5800 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5801 if (memcmp(cap_rid->prodName, "350", 3))
5802 if (status_rid->signalQuality > 0x20)
5803 quality = 0;
5804 else
5805 quality = 0x20 - status_rid->signalQuality;
5806 else
5807 if (status_rid->signalQuality > 0xb0)
5808 quality = 0;
5809 else if (status_rid->signalQuality < 0x10)
5810 quality = 0xa0;
5811 else
5812 quality = 0xb0 - status_rid->signalQuality;
5813 }
5814 return quality;
5815}
5816
5817#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5818#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5819
5820/*------------------------------------------------------------------*/
5821/*
5822 * Wireless Handler : get protocol name
5823 */
5824static int airo_get_name(struct net_device *dev,
5825 struct iw_request_info *info,
5826 char *cwrq,
5827 char *extra)
5828{
5829 strcpy(cwrq, "IEEE 802.11-DS");
5830 return 0;
5831}
5832
5833/*------------------------------------------------------------------*/
5834/*
5835 * Wireless Handler : set frequency
5836 */
5837static int airo_set_freq(struct net_device *dev,
5838 struct iw_request_info *info,
5839 struct iw_freq *fwrq,
5840 char *extra)
5841{
5842 struct airo_info *local = dev->priv;
5843 int rc = -EINPROGRESS; /* Call commit handler */
5844
5845 /* If setting by frequency, convert to a channel */
5846 if((fwrq->e == 1) &&
5847 (fwrq->m >= (int) 2.412e8) &&
5848 (fwrq->m <= (int) 2.487e8)) {
5849 int f = fwrq->m / 100000;
5850 int c = 0;
5851 while((c < 14) && (f != frequency_list[c]))
5852 c++;
5853 /* Hack to fall through... */
5854 fwrq->e = 0;
5855 fwrq->m = c + 1;
5856 }
5857 /* Setting by channel number */
5858 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 rc = -EOPNOTSUPP;
5860 else {
5861 int channel = fwrq->m;
5862 /* We should do a better check than that,
5863 * based on the card capability !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005864 if((channel < 1) || (channel > 14)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005865 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5866 fwrq->m);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005867 rc = -EINVAL;
5868 } else {
5869 readConfigRid(local, 1);
5870 /* Yes ! We can set it !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005871 local->config.channelSet = (u16) channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005872 set_bit (FLAG_COMMIT, &local->flags);
5873 }
5874 }
5875 return rc;
5876}
5877
5878/*------------------------------------------------------------------*/
5879/*
5880 * Wireless Handler : get frequency
5881 */
5882static int airo_get_freq(struct net_device *dev,
5883 struct iw_request_info *info,
5884 struct iw_freq *fwrq,
5885 char *extra)
5886{
5887 struct airo_info *local = dev->priv;
5888 StatusRid status_rid; /* Card status info */
Javier Achirica2610c732006-01-17 08:01:01 -05005889 int ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005890
5891 readConfigRid(local, 1);
5892 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5893 status_rid.channel = local->config.channelSet;
5894 else
5895 readStatusRid(local, &status_rid, 1);
5896
Javier Achirica2610c732006-01-17 08:01:01 -05005897 ch = (int)status_rid.channel;
5898 if((ch > 0) && (ch < 15)) {
5899 fwrq->m = frequency_list[ch - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005900 fwrq->e = 1;
Javier Achirica2610c732006-01-17 08:01:01 -05005901 } else {
5902 fwrq->m = ch;
5903 fwrq->e = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005904 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005905
5906 return 0;
5907}
5908
5909/*------------------------------------------------------------------*/
5910/*
5911 * Wireless Handler : set ESSID
5912 */
5913static int airo_set_essid(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_point *dwrq,
5916 char *extra)
5917{
5918 struct airo_info *local = dev->priv;
5919 Resp rsp;
5920 SsidRid SSID_rid; /* SSIDs */
5921
5922 /* Reload the list of current SSID */
5923 readSsidRid(local, &SSID_rid);
5924
5925 /* Check if we asked for `any' */
5926 if(dwrq->flags == 0) {
5927 /* Just send an empty SSID list */
5928 memset(&SSID_rid, 0, sizeof(SSID_rid));
5929 } else {
5930 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5931
5932 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005933 if(dwrq->length > IW_ESSID_MAX_SIZE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005934 return -E2BIG ;
5935 }
5936 /* Check if index is valid */
5937 if((index < 0) || (index >= 4)) {
5938 return -EINVAL;
5939 }
5940
5941 /* Set the SSID */
5942 memset(SSID_rid.ssids[index].ssid, 0,
5943 sizeof(SSID_rid.ssids[index].ssid));
5944 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005945 SSID_rid.ssids[index].len = dwrq->length;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005946 }
5947 SSID_rid.len = sizeof(SSID_rid);
5948 /* Write it to the card */
5949 disable_MAC(local, 1);
5950 writeSsidRid(local, &SSID_rid, 1);
5951 enable_MAC(local, &rsp, 1);
5952
5953 return 0;
5954}
5955
5956/*------------------------------------------------------------------*/
5957/*
5958 * Wireless Handler : get ESSID
5959 */
5960static int airo_get_essid(struct net_device *dev,
5961 struct iw_request_info *info,
5962 struct iw_point *dwrq,
5963 char *extra)
5964{
5965 struct airo_info *local = dev->priv;
5966 StatusRid status_rid; /* Card status info */
5967
5968 readStatusRid(local, &status_rid, 1);
5969
5970 /* Note : if dwrq->flags != 0, we should
5971 * get the relevant SSID from the SSID list... */
5972
5973 /* Get the current SSID */
5974 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005975 /* If none, we may want to get the one that was set */
5976
5977 /* Push it out ! */
Dan Williamsd6a13a22006-01-12 15:00:58 -05005978 dwrq->length = status_rid.SSIDlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005979 dwrq->flags = 1; /* active */
5980
5981 return 0;
5982}
5983
5984/*------------------------------------------------------------------*/
5985/*
5986 * Wireless Handler : set AP address
5987 */
5988static int airo_set_wap(struct net_device *dev,
5989 struct iw_request_info *info,
5990 struct sockaddr *awrq,
5991 char *extra)
5992{
5993 struct airo_info *local = dev->priv;
5994 Cmd cmd;
5995 Resp rsp;
5996 APListRid APList_rid;
Dan Williams4be757d2006-01-30 11:58:00 -05005997 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5998 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07005999
6000 if (awrq->sa_family != ARPHRD_ETHER)
6001 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05006002 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6003 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006004 memset(&cmd, 0, sizeof(cmd));
6005 cmd.cmd=CMD_LOSE_SYNC;
6006 if (down_interruptible(&local->sem))
6007 return -ERESTARTSYS;
6008 issuecommand(local, &cmd, &rsp);
6009 up(&local->sem);
6010 } else {
6011 memset(&APList_rid, 0, sizeof(APList_rid));
6012 APList_rid.len = sizeof(APList_rid);
6013 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6014 disable_MAC(local, 1);
6015 writeAPListRid(local, &APList_rid, 1);
6016 enable_MAC(local, &rsp, 1);
6017 }
6018 return 0;
6019}
6020
6021/*------------------------------------------------------------------*/
6022/*
6023 * Wireless Handler : get AP address
6024 */
6025static int airo_get_wap(struct net_device *dev,
6026 struct iw_request_info *info,
6027 struct sockaddr *awrq,
6028 char *extra)
6029{
6030 struct airo_info *local = dev->priv;
6031 StatusRid status_rid; /* Card status info */
6032
6033 readStatusRid(local, &status_rid, 1);
6034
6035 /* Tentative. This seems to work, wow, I'm lucky !!! */
6036 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6037 awrq->sa_family = ARPHRD_ETHER;
6038
6039 return 0;
6040}
6041
6042/*------------------------------------------------------------------*/
6043/*
6044 * Wireless Handler : set Nickname
6045 */
6046static int airo_set_nick(struct net_device *dev,
6047 struct iw_request_info *info,
6048 struct iw_point *dwrq,
6049 char *extra)
6050{
6051 struct airo_info *local = dev->priv;
6052
6053 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006054 if(dwrq->length > 16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006055 return -E2BIG;
6056 }
6057 readConfigRid(local, 1);
6058 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6059 memcpy(local->config.nodeName, extra, dwrq->length);
6060 set_bit (FLAG_COMMIT, &local->flags);
6061
6062 return -EINPROGRESS; /* Call commit handler */
6063}
6064
6065/*------------------------------------------------------------------*/
6066/*
6067 * Wireless Handler : get Nickname
6068 */
6069static int airo_get_nick(struct net_device *dev,
6070 struct iw_request_info *info,
6071 struct iw_point *dwrq,
6072 char *extra)
6073{
6074 struct airo_info *local = dev->priv;
6075
6076 readConfigRid(local, 1);
6077 strncpy(extra, local->config.nodeName, 16);
6078 extra[16] = '\0';
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006079 dwrq->length = strlen(extra);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006080
6081 return 0;
6082}
6083
6084/*------------------------------------------------------------------*/
6085/*
6086 * Wireless Handler : set Bit-Rate
6087 */
6088static int airo_set_rate(struct net_device *dev,
6089 struct iw_request_info *info,
6090 struct iw_param *vwrq,
6091 char *extra)
6092{
6093 struct airo_info *local = dev->priv;
6094 CapabilityRid cap_rid; /* Card capability info */
6095 u8 brate = 0;
6096 int i;
6097
6098 /* First : get a valid bit rate value */
6099 readCapabilityRid(local, &cap_rid, 1);
6100
6101 /* Which type of value ? */
6102 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6103 /* Setting by rate index */
6104 /* Find value in the magic rate table */
6105 brate = cap_rid.supportedRates[vwrq->value];
6106 } else {
6107 /* Setting by frequency value */
6108 u8 normvalue = (u8) (vwrq->value/500000);
6109
6110 /* Check if rate is valid */
6111 for(i = 0 ; i < 8 ; i++) {
6112 if(normvalue == cap_rid.supportedRates[i]) {
6113 brate = normvalue;
6114 break;
6115 }
6116 }
6117 }
6118 /* -1 designed the max rate (mostly auto mode) */
6119 if(vwrq->value == -1) {
6120 /* Get the highest available rate */
6121 for(i = 0 ; i < 8 ; i++) {
6122 if(cap_rid.supportedRates[i] == 0)
6123 break;
6124 }
6125 if(i != 0)
6126 brate = cap_rid.supportedRates[i - 1];
6127 }
6128 /* Check that it is valid */
6129 if(brate == 0) {
6130 return -EINVAL;
6131 }
6132
6133 readConfigRid(local, 1);
6134 /* Now, check if we want a fixed or auto value */
6135 if(vwrq->fixed == 0) {
6136 /* Fill all the rates up to this max rate */
6137 memset(local->config.rates, 0, 8);
6138 for(i = 0 ; i < 8 ; i++) {
6139 local->config.rates[i] = cap_rid.supportedRates[i];
6140 if(local->config.rates[i] == brate)
6141 break;
6142 }
6143 } else {
6144 /* Fixed mode */
6145 /* One rate, fixed */
6146 memset(local->config.rates, 0, 8);
6147 local->config.rates[0] = brate;
6148 }
6149 set_bit (FLAG_COMMIT, &local->flags);
6150
6151 return -EINPROGRESS; /* Call commit handler */
6152}
6153
6154/*------------------------------------------------------------------*/
6155/*
6156 * Wireless Handler : get Bit-Rate
6157 */
6158static int airo_get_rate(struct net_device *dev,
6159 struct iw_request_info *info,
6160 struct iw_param *vwrq,
6161 char *extra)
6162{
6163 struct airo_info *local = dev->priv;
6164 StatusRid status_rid; /* Card status info */
6165
6166 readStatusRid(local, &status_rid, 1);
6167
6168 vwrq->value = status_rid.currentXmitRate * 500000;
6169 /* If more than one rate, set auto */
6170 readConfigRid(local, 1);
6171 vwrq->fixed = (local->config.rates[1] == 0);
6172
6173 return 0;
6174}
6175
6176/*------------------------------------------------------------------*/
6177/*
6178 * Wireless Handler : set RTS threshold
6179 */
6180static int airo_set_rts(struct net_device *dev,
6181 struct iw_request_info *info,
6182 struct iw_param *vwrq,
6183 char *extra)
6184{
6185 struct airo_info *local = dev->priv;
6186 int rthr = vwrq->value;
6187
6188 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006189 rthr = AIRO_DEF_MTU;
6190 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006191 return -EINVAL;
6192 }
6193 readConfigRid(local, 1);
6194 local->config.rtsThres = rthr;
6195 set_bit (FLAG_COMMIT, &local->flags);
6196
6197 return -EINPROGRESS; /* Call commit handler */
6198}
6199
6200/*------------------------------------------------------------------*/
6201/*
6202 * Wireless Handler : get RTS threshold
6203 */
6204static int airo_get_rts(struct net_device *dev,
6205 struct iw_request_info *info,
6206 struct iw_param *vwrq,
6207 char *extra)
6208{
6209 struct airo_info *local = dev->priv;
6210
6211 readConfigRid(local, 1);
6212 vwrq->value = local->config.rtsThres;
Dan Williams15db2762006-03-16 13:46:27 -05006213 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006214 vwrq->fixed = 1;
6215
6216 return 0;
6217}
6218
6219/*------------------------------------------------------------------*/
6220/*
6221 * Wireless Handler : set Fragmentation threshold
6222 */
6223static int airo_set_frag(struct net_device *dev,
6224 struct iw_request_info *info,
6225 struct iw_param *vwrq,
6226 char *extra)
6227{
6228 struct airo_info *local = dev->priv;
6229 int fthr = vwrq->value;
6230
6231 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006232 fthr = AIRO_DEF_MTU;
6233 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006234 return -EINVAL;
6235 }
6236 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6237 readConfigRid(local, 1);
6238 local->config.fragThresh = (u16)fthr;
6239 set_bit (FLAG_COMMIT, &local->flags);
6240
6241 return -EINPROGRESS; /* Call commit handler */
6242}
6243
6244/*------------------------------------------------------------------*/
6245/*
6246 * Wireless Handler : get Fragmentation threshold
6247 */
6248static int airo_get_frag(struct net_device *dev,
6249 struct iw_request_info *info,
6250 struct iw_param *vwrq,
6251 char *extra)
6252{
6253 struct airo_info *local = dev->priv;
6254
6255 readConfigRid(local, 1);
6256 vwrq->value = local->config.fragThresh;
Dan Williams15db2762006-03-16 13:46:27 -05006257 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006258 vwrq->fixed = 1;
6259
6260 return 0;
6261}
6262
6263/*------------------------------------------------------------------*/
6264/*
6265 * Wireless Handler : set Mode of Operation
6266 */
6267static int airo_set_mode(struct net_device *dev,
6268 struct iw_request_info *info,
6269 __u32 *uwrq,
6270 char *extra)
6271{
6272 struct airo_info *local = dev->priv;
6273 int reset = 0;
6274
6275 readConfigRid(local, 1);
6276 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6277 reset = 1;
6278
6279 switch(*uwrq) {
6280 case IW_MODE_ADHOC:
6281 local->config.opmode &= 0xFF00;
6282 local->config.opmode |= MODE_STA_IBSS;
6283 local->config.rmode &= 0xfe00;
6284 local->config.scanMode = SCANMODE_ACTIVE;
6285 clear_bit (FLAG_802_11, &local->flags);
6286 break;
6287 case IW_MODE_INFRA:
6288 local->config.opmode &= 0xFF00;
6289 local->config.opmode |= MODE_STA_ESS;
6290 local->config.rmode &= 0xfe00;
6291 local->config.scanMode = SCANMODE_ACTIVE;
6292 clear_bit (FLAG_802_11, &local->flags);
6293 break;
6294 case IW_MODE_MASTER:
6295 local->config.opmode &= 0xFF00;
6296 local->config.opmode |= MODE_AP;
6297 local->config.rmode &= 0xfe00;
6298 local->config.scanMode = SCANMODE_ACTIVE;
6299 clear_bit (FLAG_802_11, &local->flags);
6300 break;
6301 case IW_MODE_REPEAT:
6302 local->config.opmode &= 0xFF00;
6303 local->config.opmode |= MODE_AP_RPTR;
6304 local->config.rmode &= 0xfe00;
6305 local->config.scanMode = SCANMODE_ACTIVE;
6306 clear_bit (FLAG_802_11, &local->flags);
6307 break;
6308 case IW_MODE_MONITOR:
6309 local->config.opmode &= 0xFF00;
6310 local->config.opmode |= MODE_STA_ESS;
6311 local->config.rmode &= 0xfe00;
6312 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6313 local->config.scanMode = SCANMODE_PASSIVE;
6314 set_bit (FLAG_802_11, &local->flags);
6315 break;
6316 default:
6317 return -EINVAL;
6318 }
6319 if (reset)
6320 set_bit (FLAG_RESET, &local->flags);
6321 set_bit (FLAG_COMMIT, &local->flags);
6322
6323 return -EINPROGRESS; /* Call commit handler */
6324}
6325
6326/*------------------------------------------------------------------*/
6327/*
6328 * Wireless Handler : get Mode of Operation
6329 */
6330static int airo_get_mode(struct net_device *dev,
6331 struct iw_request_info *info,
6332 __u32 *uwrq,
6333 char *extra)
6334{
6335 struct airo_info *local = dev->priv;
6336
6337 readConfigRid(local, 1);
6338 /* If not managed, assume it's ad-hoc */
6339 switch (local->config.opmode & 0xFF) {
6340 case MODE_STA_ESS:
6341 *uwrq = IW_MODE_INFRA;
6342 break;
6343 case MODE_AP:
6344 *uwrq = IW_MODE_MASTER;
6345 break;
6346 case MODE_AP_RPTR:
6347 *uwrq = IW_MODE_REPEAT;
6348 break;
6349 default:
6350 *uwrq = IW_MODE_ADHOC;
6351 }
6352
6353 return 0;
6354}
6355
6356/*------------------------------------------------------------------*/
6357/*
6358 * Wireless Handler : set Encryption Key
6359 */
6360static int airo_set_encode(struct net_device *dev,
6361 struct iw_request_info *info,
6362 struct iw_point *dwrq,
6363 char *extra)
6364{
6365 struct airo_info *local = dev->priv;
6366 CapabilityRid cap_rid; /* Card capability info */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006367 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6368 u16 currentAuthType = local->config.authType;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006369
6370 /* Is WEP supported ? */
6371 readCapabilityRid(local, &cap_rid, 1);
6372 /* Older firmware doesn't support this...
6373 if(!(cap_rid.softCap & 2)) {
6374 return -EOPNOTSUPP;
6375 } */
6376 readConfigRid(local, 1);
6377
6378 /* Basic checking: do we have a key to set ?
6379 * Note : with the new API, it's impossible to get a NULL pointer.
6380 * Therefore, we need to check a key size == 0 instead.
6381 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6382 * when no key is present (only change flags), but older versions
6383 * don't do it. - Jean II */
6384 if (dwrq->length > 0) {
6385 wep_key_t key;
6386 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 int current_index = get_wep_key(local, 0xffff);
6388 /* Check the size of the key */
6389 if (dwrq->length > MAX_KEY_SIZE) {
6390 return -EINVAL;
6391 }
6392 /* Check the index (none -> use current) */
6393 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6394 index = current_index;
6395 /* Set the length */
6396 if (dwrq->length > MIN_KEY_SIZE)
6397 key.len = MAX_KEY_SIZE;
6398 else
6399 if (dwrq->length > 0)
6400 key.len = MIN_KEY_SIZE;
6401 else
6402 /* Disable the key */
6403 key.len = 0;
6404 /* Check if the key is not marked as invalid */
6405 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6406 /* Cleanup */
6407 memset(key.key, 0, MAX_KEY_SIZE);
6408 /* Copy the key in the driver */
6409 memcpy(key.key, extra, dwrq->length);
6410 /* Send the key to the card */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006411 set_wep_key(local, index, key.key, key.len, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006412 }
6413 /* WE specify that if a valid key is set, encryption
6414 * should be enabled (user may turn it off later)
6415 * This is also how "iwconfig ethX key on" works */
6416 if((index == current_index) && (key.len > 0) &&
6417 (local->config.authType == AUTH_OPEN)) {
6418 local->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006419 }
6420 } else {
6421 /* Do we want to just set the transmit key index ? */
6422 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6423 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
Dan Streetmanf89b2322005-11-11 11:41:42 -05006424 set_wep_key(local, index, NULL, 0, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006425 } 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 */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006439 if (local->config.authType != currentAuthType)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006440 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->priv;
6454 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6455 CapabilityRid cap_rid; /* Card capability info */
6456
6457 /* Is it supported ? */
6458 readCapabilityRid(local, &cap_rid, 1);
6459 if(!(cap_rid.softCap & 2)) {
6460 return -EOPNOTSUPP;
6461 }
6462 readConfigRid(local, 1);
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 ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6482 index = get_wep_key(local, 0xffff);
6483 dwrq->flags |= index + 1;
6484 /* Copy the key to the user buffer */
6485 dwrq->length = get_wep_key(local, index);
6486 if (dwrq->length > 16) {
6487 dwrq->length=0;
6488 }
6489 return 0;
6490}
6491
6492/*------------------------------------------------------------------*/
6493/*
Dan Williams4be757d2006-01-30 11:58:00 -05006494 * Wireless Handler : set extended Encryption parameters
6495 */
6496static int airo_set_encodeext(struct net_device *dev,
6497 struct iw_request_info *info,
6498 union iwreq_data *wrqu,
6499 char *extra)
6500{
6501 struct airo_info *local = dev->priv;
6502 struct iw_point *encoding = &wrqu->encoding;
6503 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6504 CapabilityRid cap_rid; /* Card capability info */
6505 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6506 u16 currentAuthType = local->config.authType;
Dan Williams22d88462006-02-05 18:00:30 -05006507 int idx, key_len, alg = ext->alg, set_key = 1;
Dan Williams4be757d2006-01-30 11:58:00 -05006508 wep_key_t key;
6509
6510 /* Is WEP supported ? */
6511 readCapabilityRid(local, &cap_rid, 1);
6512 /* Older firmware doesn't support this...
6513 if(!(cap_rid.softCap & 2)) {
6514 return -EOPNOTSUPP;
6515 } */
6516 readConfigRid(local, 1);
6517
6518 /* Determine and validate the key index */
6519 idx = encoding->flags & IW_ENCODE_INDEX;
6520 if (idx) {
6521 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6522 return -EINVAL;
6523 idx--;
6524 } else
6525 idx = get_wep_key(local, 0xffff);
6526
6527 if (encoding->flags & IW_ENCODE_DISABLED)
6528 alg = IW_ENCODE_ALG_NONE;
6529
Dan Williams4be757d2006-01-30 11:58:00 -05006530 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
Dan Williams22d88462006-02-05 18:00:30 -05006531 /* Only set transmit key index here, actual
6532 * key is set below if needed.
6533 */
Dan Williams4be757d2006-01-30 11:58:00 -05006534 set_wep_key(local, idx, NULL, 0, perm, 1);
Dan Williams22d88462006-02-05 18:00:30 -05006535 set_key = ext->key_len > 0 ? 1 : 0;
6536 }
6537
6538 if (set_key) {
Dan Williams4be757d2006-01-30 11:58:00 -05006539 /* Set the requested key first */
6540 memset(key.key, 0, MAX_KEY_SIZE);
6541 switch (alg) {
6542 case IW_ENCODE_ALG_NONE:
6543 key.len = 0;
6544 break;
6545 case IW_ENCODE_ALG_WEP:
6546 if (ext->key_len > MIN_KEY_SIZE) {
6547 key.len = MAX_KEY_SIZE;
6548 } else if (ext->key_len > 0) {
6549 key.len = MIN_KEY_SIZE;
6550 } else {
6551 return -EINVAL;
6552 }
6553 key_len = min (ext->key_len, key.len);
6554 memcpy(key.key, ext->key, key_len);
6555 break;
6556 default:
6557 return -EINVAL;
6558 }
6559 /* Send the key to the card */
6560 set_wep_key(local, idx, key.key, key.len, perm, 1);
6561 }
6562
6563 /* Read the flags */
6564 if(encoding->flags & IW_ENCODE_DISABLED)
6565 local->config.authType = AUTH_OPEN; // disable encryption
6566 if(encoding->flags & IW_ENCODE_RESTRICTED)
6567 local->config.authType = AUTH_SHAREDKEY; // Only Both
6568 if(encoding->flags & IW_ENCODE_OPEN)
6569 local->config.authType = AUTH_ENCRYPT; // Only Wep
6570 /* Commit the changes to flags if needed */
6571 if (local->config.authType != currentAuthType)
6572 set_bit (FLAG_COMMIT, &local->flags);
6573
6574 return -EINPROGRESS;
6575}
6576
6577
6578/*------------------------------------------------------------------*/
6579/*
6580 * Wireless Handler : get extended Encryption parameters
6581 */
6582static int airo_get_encodeext(struct net_device *dev,
6583 struct iw_request_info *info,
6584 union iwreq_data *wrqu,
6585 char *extra)
6586{
6587 struct airo_info *local = dev->priv;
6588 struct iw_point *encoding = &wrqu->encoding;
6589 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6590 CapabilityRid cap_rid; /* Card capability info */
6591 int idx, max_key_len;
6592
6593 /* Is it supported ? */
6594 readCapabilityRid(local, &cap_rid, 1);
6595 if(!(cap_rid.softCap & 2)) {
6596 return -EOPNOTSUPP;
6597 }
6598 readConfigRid(local, 1);
6599
6600 max_key_len = encoding->length - sizeof(*ext);
6601 if (max_key_len < 0)
6602 return -EINVAL;
6603
6604 idx = encoding->flags & IW_ENCODE_INDEX;
6605 if (idx) {
6606 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6607 return -EINVAL;
6608 idx--;
6609 } else
6610 idx = get_wep_key(local, 0xffff);
6611
6612 encoding->flags = idx + 1;
6613 memset(ext, 0, sizeof(*ext));
6614
6615 /* Check encryption mode */
6616 switch(local->config.authType) {
6617 case AUTH_ENCRYPT:
6618 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6619 break;
6620 case AUTH_SHAREDKEY:
6621 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6622 break;
6623 default:
6624 case AUTH_OPEN:
6625 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6626 break;
6627 }
6628 /* We can't return the key, so set the proper flag and return zero */
6629 encoding->flags |= IW_ENCODE_NOKEY;
6630 memset(extra, 0, 16);
6631
6632 /* Copy the key to the user buffer */
6633 ext->key_len = get_wep_key(local, idx);
6634 if (ext->key_len > 16) {
6635 ext->key_len=0;
6636 }
6637
6638 return 0;
6639}
6640
6641
6642/*------------------------------------------------------------------*/
6643/*
6644 * Wireless Handler : set extended authentication parameters
6645 */
6646static int airo_set_auth(struct net_device *dev,
6647 struct iw_request_info *info,
6648 union iwreq_data *wrqu, char *extra)
6649{
6650 struct airo_info *local = dev->priv;
6651 struct iw_param *param = &wrqu->param;
6652 u16 currentAuthType = local->config.authType;
6653
6654 switch (param->flags & IW_AUTH_INDEX) {
6655 case IW_AUTH_WPA_VERSION:
6656 case IW_AUTH_CIPHER_PAIRWISE:
6657 case IW_AUTH_CIPHER_GROUP:
6658 case IW_AUTH_KEY_MGMT:
6659 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6660 case IW_AUTH_PRIVACY_INVOKED:
6661 /*
6662 * airo does not use these parameters
6663 */
6664 break;
6665
6666 case IW_AUTH_DROP_UNENCRYPTED:
6667 if (param->value) {
6668 /* Only change auth type if unencrypted */
6669 if (currentAuthType == AUTH_OPEN)
6670 local->config.authType = AUTH_ENCRYPT;
6671 } else {
6672 local->config.authType = AUTH_OPEN;
6673 }
6674
6675 /* Commit the changes to flags if needed */
6676 if (local->config.authType != currentAuthType)
6677 set_bit (FLAG_COMMIT, &local->flags);
6678 break;
6679
6680 case IW_AUTH_80211_AUTH_ALG: {
6681 /* FIXME: What about AUTH_OPEN? This API seems to
6682 * disallow setting our auth to AUTH_OPEN.
6683 */
6684 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6685 local->config.authType = AUTH_SHAREDKEY;
6686 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6687 local->config.authType = AUTH_ENCRYPT;
6688 } else
6689 return -EINVAL;
6690 break;
6691
6692 /* Commit the changes to flags if needed */
6693 if (local->config.authType != currentAuthType)
6694 set_bit (FLAG_COMMIT, &local->flags);
6695 }
6696
6697 case IW_AUTH_WPA_ENABLED:
6698 /* Silently accept disable of WPA */
6699 if (param->value > 0)
6700 return -EOPNOTSUPP;
6701 break;
6702
6703 default:
6704 return -EOPNOTSUPP;
6705 }
6706 return -EINPROGRESS;
6707}
6708
6709
6710/*------------------------------------------------------------------*/
6711/*
6712 * Wireless Handler : get extended authentication parameters
6713 */
6714static int airo_get_auth(struct net_device *dev,
6715 struct iw_request_info *info,
6716 union iwreq_data *wrqu, char *extra)
6717{
6718 struct airo_info *local = dev->priv;
6719 struct iw_param *param = &wrqu->param;
6720 u16 currentAuthType = local->config.authType;
6721
6722 switch (param->flags & IW_AUTH_INDEX) {
6723 case IW_AUTH_DROP_UNENCRYPTED:
6724 switch (currentAuthType) {
6725 case AUTH_SHAREDKEY:
6726 case AUTH_ENCRYPT:
6727 param->value = 1;
6728 break;
6729 default:
6730 param->value = 0;
6731 break;
6732 }
6733 break;
6734
6735 case IW_AUTH_80211_AUTH_ALG:
6736 switch (currentAuthType) {
6737 case AUTH_SHAREDKEY:
6738 param->value = IW_AUTH_ALG_SHARED_KEY;
6739 break;
6740 case AUTH_ENCRYPT:
6741 default:
6742 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6743 break;
6744 }
6745 break;
6746
6747 case IW_AUTH_WPA_ENABLED:
6748 param->value = 0;
6749 break;
6750
6751 default:
6752 return -EOPNOTSUPP;
6753 }
6754 return 0;
6755}
6756
6757
6758/*------------------------------------------------------------------*/
6759/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07006760 * Wireless Handler : set Tx-Power
6761 */
6762static int airo_set_txpow(struct net_device *dev,
6763 struct iw_request_info *info,
6764 struct iw_param *vwrq,
6765 char *extra)
6766{
6767 struct airo_info *local = dev->priv;
6768 CapabilityRid cap_rid; /* Card capability info */
6769 int i;
6770 int rc = -EINVAL;
6771
6772 readCapabilityRid(local, &cap_rid, 1);
6773
6774 if (vwrq->disabled) {
6775 set_bit (FLAG_RADIO_OFF, &local->flags);
6776 set_bit (FLAG_COMMIT, &local->flags);
6777 return -EINPROGRESS; /* Call commit handler */
6778 }
6779 if (vwrq->flags != IW_TXPOW_MWATT) {
6780 return -EINVAL;
6781 }
6782 clear_bit (FLAG_RADIO_OFF, &local->flags);
6783 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6784 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6785 readConfigRid(local, 1);
6786 local->config.txPower = vwrq->value;
6787 set_bit (FLAG_COMMIT, &local->flags);
6788 rc = -EINPROGRESS; /* Call commit handler */
6789 break;
6790 }
6791 return rc;
6792}
6793
6794/*------------------------------------------------------------------*/
6795/*
6796 * Wireless Handler : get Tx-Power
6797 */
6798static int airo_get_txpow(struct net_device *dev,
6799 struct iw_request_info *info,
6800 struct iw_param *vwrq,
6801 char *extra)
6802{
6803 struct airo_info *local = dev->priv;
6804
6805 readConfigRid(local, 1);
6806 vwrq->value = local->config.txPower;
6807 vwrq->fixed = 1; /* No power control */
6808 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6809 vwrq->flags = IW_TXPOW_MWATT;
6810
6811 return 0;
6812}
6813
6814/*------------------------------------------------------------------*/
6815/*
6816 * Wireless Handler : set Retry limits
6817 */
6818static int airo_set_retry(struct net_device *dev,
6819 struct iw_request_info *info,
6820 struct iw_param *vwrq,
6821 char *extra)
6822{
6823 struct airo_info *local = dev->priv;
6824 int rc = -EINVAL;
6825
6826 if(vwrq->disabled) {
6827 return -EINVAL;
6828 }
6829 readConfigRid(local, 1);
6830 if(vwrq->flags & IW_RETRY_LIMIT) {
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006831 if(vwrq->flags & IW_RETRY_LONG)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006832 local->config.longRetryLimit = vwrq->value;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006833 else if (vwrq->flags & IW_RETRY_SHORT)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006834 local->config.shortRetryLimit = vwrq->value;
6835 else {
6836 /* No modifier : set both */
6837 local->config.longRetryLimit = vwrq->value;
6838 local->config.shortRetryLimit = vwrq->value;
6839 }
6840 set_bit (FLAG_COMMIT, &local->flags);
6841 rc = -EINPROGRESS; /* Call commit handler */
6842 }
6843 if(vwrq->flags & IW_RETRY_LIFETIME) {
6844 local->config.txLifetime = vwrq->value / 1024;
6845 set_bit (FLAG_COMMIT, &local->flags);
6846 rc = -EINPROGRESS; /* Call commit handler */
6847 }
6848 return rc;
6849}
6850
6851/*------------------------------------------------------------------*/
6852/*
6853 * Wireless Handler : get Retry limits
6854 */
6855static int airo_get_retry(struct net_device *dev,
6856 struct iw_request_info *info,
6857 struct iw_param *vwrq,
6858 char *extra)
6859{
6860 struct airo_info *local = dev->priv;
6861
6862 vwrq->disabled = 0; /* Can't be disabled */
6863
6864 readConfigRid(local, 1);
6865 /* Note : by default, display the min retry number */
6866 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6867 vwrq->flags = IW_RETRY_LIFETIME;
6868 vwrq->value = (int)local->config.txLifetime * 1024;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006869 } else if((vwrq->flags & IW_RETRY_LONG)) {
6870 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006871 vwrq->value = (int)local->config.longRetryLimit;
6872 } else {
6873 vwrq->flags = IW_RETRY_LIMIT;
6874 vwrq->value = (int)local->config.shortRetryLimit;
6875 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006876 vwrq->flags |= IW_RETRY_SHORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006877 }
6878
6879 return 0;
6880}
6881
6882/*------------------------------------------------------------------*/
6883/*
6884 * Wireless Handler : get range info
6885 */
6886static int airo_get_range(struct net_device *dev,
6887 struct iw_request_info *info,
6888 struct iw_point *dwrq,
6889 char *extra)
6890{
6891 struct airo_info *local = dev->priv;
6892 struct iw_range *range = (struct iw_range *) extra;
6893 CapabilityRid cap_rid; /* Card capability info */
6894 int i;
6895 int k;
6896
6897 readCapabilityRid(local, &cap_rid, 1);
6898
6899 dwrq->length = sizeof(struct iw_range);
6900 memset(range, 0, sizeof(*range));
6901 range->min_nwid = 0x0000;
6902 range->max_nwid = 0x0000;
6903 range->num_channels = 14;
6904 /* Should be based on cap_rid.country to give only
6905 * what the current card support */
6906 k = 0;
6907 for(i = 0; i < 14; i++) {
6908 range->freq[k].i = i + 1; /* List index */
6909 range->freq[k].m = frequency_list[i] * 100000;
6910 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6911 }
6912 range->num_frequency = k;
6913
Linus Torvalds1da177e2005-04-16 15:20:36 -07006914 range->sensitivity = 65535;
6915
Dan Williams41480af2005-05-10 09:45:51 -04006916 /* Hum... Should put the right values there */
6917 if (local->rssi)
6918 range->max_qual.qual = 100; /* % */
6919 else
6920 range->max_qual.qual = airo_get_max_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006921 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6922 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006923
6924 /* Experimental measurements - boundary 11/5.5 Mb/s */
6925 /* Note : with or without the (local->rssi), results
6926 * are somewhat different. - Jean II */
6927 if (local->rssi) {
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006928 range->avg_qual.qual = 50; /* % */
6929 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006930 } else {
6931 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006932 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006933 }
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006934 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006935
Linus Torvalds1da177e2005-04-16 15:20:36 -07006936 for(i = 0 ; i < 8 ; i++) {
6937 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6938 if(range->bitrate[i] == 0)
6939 break;
6940 }
6941 range->num_bitrates = i;
6942
6943 /* Set an indication of the max TCP throughput
6944 * in bit/s that we can expect using this interface.
6945 * May be use for QoS stuff... Jean II */
6946 if(i > 2)
6947 range->throughput = 5000 * 1000;
6948 else
6949 range->throughput = 1500 * 1000;
6950
6951 range->min_rts = 0;
Dan Williams15db2762006-03-16 13:46:27 -05006952 range->max_rts = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006953 range->min_frag = 256;
Dan Williams15db2762006-03-16 13:46:27 -05006954 range->max_frag = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006955
6956 if(cap_rid.softCap & 2) {
6957 // WEP: RC4 40 bits
6958 range->encoding_size[0] = 5;
6959 // RC4 ~128 bits
6960 if (cap_rid.softCap & 0x100) {
6961 range->encoding_size[1] = 13;
6962 range->num_encoding_sizes = 2;
6963 } else
6964 range->num_encoding_sizes = 1;
6965 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6966 } else {
6967 range->num_encoding_sizes = 0;
6968 range->max_encoding_tokens = 0;
6969 }
6970 range->min_pmp = 0;
6971 range->max_pmp = 5000000; /* 5 secs */
6972 range->min_pmt = 0;
6973 range->max_pmt = 65535 * 1024; /* ??? */
6974 range->pmp_flags = IW_POWER_PERIOD;
6975 range->pmt_flags = IW_POWER_TIMEOUT;
6976 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6977
6978 /* Transmit Power - values are in mW */
6979 for(i = 0 ; i < 8 ; i++) {
6980 range->txpower[i] = cap_rid.txPowerLevels[i];
6981 if(range->txpower[i] == 0)
6982 break;
6983 }
6984 range->num_txpower = i;
6985 range->txpower_capa = IW_TXPOW_MWATT;
Dan Williams3c304952006-04-15 12:26:18 -04006986 range->we_version_source = 19;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006987 range->we_version_compiled = WIRELESS_EXT;
6988 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6989 range->retry_flags = IW_RETRY_LIMIT;
6990 range->r_time_flags = IW_RETRY_LIFETIME;
6991 range->min_retry = 1;
6992 range->max_retry = 65535;
6993 range->min_r_time = 1024;
6994 range->max_r_time = 65535 * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006995
6996 /* Event capability (kernel + driver) */
6997 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6998 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6999 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7001 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7002 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7003 return 0;
7004}
7005
7006/*------------------------------------------------------------------*/
7007/*
7008 * Wireless Handler : set Power Management
7009 */
7010static int airo_set_power(struct net_device *dev,
7011 struct iw_request_info *info,
7012 struct iw_param *vwrq,
7013 char *extra)
7014{
7015 struct airo_info *local = dev->priv;
7016
7017 readConfigRid(local, 1);
7018 if (vwrq->disabled) {
7019 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7020 return -EINVAL;
7021 }
7022 local->config.powerSaveMode = POWERSAVE_CAM;
7023 local->config.rmode &= 0xFF00;
7024 local->config.rmode |= RXMODE_BC_MC_ADDR;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 return -EINPROGRESS; /* Call commit handler */
7027 }
7028 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7029 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7030 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7033 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7034 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7035 set_bit (FLAG_COMMIT, &local->flags);
7036 }
7037 switch (vwrq->flags & IW_POWER_MODE) {
7038 case IW_POWER_UNICAST_R:
7039 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7040 return -EINVAL;
7041 }
7042 local->config.rmode &= 0xFF00;
7043 local->config.rmode |= RXMODE_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7045 break;
7046 case IW_POWER_ALL_R:
7047 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7048 return -EINVAL;
7049 }
7050 local->config.rmode &= 0xFF00;
7051 local->config.rmode |= RXMODE_BC_MC_ADDR;
7052 set_bit (FLAG_COMMIT, &local->flags);
7053 case IW_POWER_ON:
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07007054 /* This is broken, fixme ;-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007055 break;
7056 default:
7057 return -EINVAL;
7058 }
7059 // Note : we may want to factor local->need_commit here
7060 // Note2 : may also want to factor RXMODE_RFMON test
7061 return -EINPROGRESS; /* Call commit handler */
7062}
7063
7064/*------------------------------------------------------------------*/
7065/*
7066 * Wireless Handler : get Power Management
7067 */
7068static int airo_get_power(struct net_device *dev,
7069 struct iw_request_info *info,
7070 struct iw_param *vwrq,
7071 char *extra)
7072{
7073 struct airo_info *local = dev->priv;
7074 int mode;
7075
7076 readConfigRid(local, 1);
7077 mode = local->config.powerSaveMode;
7078 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7079 return 0;
7080 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7081 vwrq->value = (int)local->config.fastListenDelay * 1024;
7082 vwrq->flags = IW_POWER_TIMEOUT;
7083 } else {
7084 vwrq->value = (int)local->config.fastListenInterval * 1024;
7085 vwrq->flags = IW_POWER_PERIOD;
7086 }
7087 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7088 vwrq->flags |= IW_POWER_UNICAST_R;
7089 else
7090 vwrq->flags |= IW_POWER_ALL_R;
7091
7092 return 0;
7093}
7094
7095/*------------------------------------------------------------------*/
7096/*
7097 * Wireless Handler : set Sensitivity
7098 */
7099static int airo_set_sens(struct net_device *dev,
7100 struct iw_request_info *info,
7101 struct iw_param *vwrq,
7102 char *extra)
7103{
7104 struct airo_info *local = dev->priv;
7105
7106 readConfigRid(local, 1);
7107 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7108 set_bit (FLAG_COMMIT, &local->flags);
7109
7110 return -EINPROGRESS; /* Call commit handler */
7111}
7112
7113/*------------------------------------------------------------------*/
7114/*
7115 * Wireless Handler : get Sensitivity
7116 */
7117static int airo_get_sens(struct net_device *dev,
7118 struct iw_request_info *info,
7119 struct iw_param *vwrq,
7120 char *extra)
7121{
7122 struct airo_info *local = dev->priv;
7123
7124 readConfigRid(local, 1);
7125 vwrq->value = local->config.rssiThreshold;
7126 vwrq->disabled = (vwrq->value == 0);
7127 vwrq->fixed = 1;
7128
7129 return 0;
7130}
7131
7132/*------------------------------------------------------------------*/
7133/*
7134 * Wireless Handler : get AP List
7135 * Note : this is deprecated in favor of IWSCAN
7136 */
7137static int airo_get_aplist(struct net_device *dev,
7138 struct iw_request_info *info,
7139 struct iw_point *dwrq,
7140 char *extra)
7141{
7142 struct airo_info *local = dev->priv;
7143 struct sockaddr *address = (struct sockaddr *) extra;
7144 struct iw_quality qual[IW_MAX_AP];
7145 BSSListRid BSSList;
7146 int i;
7147 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7148
7149 for (i = 0; i < IW_MAX_AP; i++) {
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;
Dan Williams41480af2005-05-10 09:45:51 -04007155 if (local->rssi) {
7156 qual[i].level = 0x100 - BSSList.dBm;
7157 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007158 qual[i].updated = IW_QUAL_QUAL_UPDATED
7159 | IW_QUAL_LEVEL_UPDATED
7160 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007161 } else {
7162 qual[i].level = (BSSList.dBm + 321) / 2;
7163 qual[i].qual = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007164 qual[i].updated = IW_QUAL_QUAL_INVALID
7165 | IW_QUAL_LEVEL_UPDATED
7166 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007167 }
7168 qual[i].noise = local->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007169 if (BSSList.index == 0xffff)
7170 break;
7171 }
7172 if (!i) {
7173 StatusRid status_rid; /* Card status info */
7174 readStatusRid(local, &status_rid, 1);
7175 for (i = 0;
7176 i < min(IW_MAX_AP, 4) &&
7177 (status_rid.bssid[i][0]
7178 & status_rid.bssid[i][1]
7179 & status_rid.bssid[i][2]
7180 & status_rid.bssid[i][3]
7181 & status_rid.bssid[i][4]
7182 & status_rid.bssid[i][5])!=0xff &&
7183 (status_rid.bssid[i][0]
7184 | status_rid.bssid[i][1]
7185 | status_rid.bssid[i][2]
7186 | status_rid.bssid[i][3]
7187 | status_rid.bssid[i][4]
7188 | status_rid.bssid[i][5]);
7189 i++) {
7190 memcpy(address[i].sa_data,
7191 status_rid.bssid[i], ETH_ALEN);
7192 address[i].sa_family = ARPHRD_ETHER;
7193 }
7194 } else {
7195 dwrq->flags = 1; /* Should be define'd */
7196 memcpy(extra + sizeof(struct sockaddr)*i,
7197 &qual, sizeof(struct iw_quality)*i);
7198 }
7199 dwrq->length = i;
7200
7201 return 0;
7202}
7203
7204/*------------------------------------------------------------------*/
7205/*
7206 * Wireless Handler : Initiate Scan
7207 */
7208static int airo_set_scan(struct net_device *dev,
7209 struct iw_request_info *info,
7210 struct iw_param *vwrq,
7211 char *extra)
7212{
7213 struct airo_info *ai = dev->priv;
7214 Cmd cmd;
7215 Resp rsp;
Dan Williams9e75af32006-03-16 13:46:29 -05007216 int wake = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007217
7218 /* Note : you may have realised that, as this is a SET operation,
7219 * this is privileged and therefore a normal user can't
7220 * perform scanning.
7221 * This is not an error, while the device perform scanning,
7222 * traffic doesn't flow, so it's a perfect DoS...
7223 * Jean II */
7224 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7225
Dan Williams9e75af32006-03-16 13:46:29 -05007226 if (down_interruptible(&ai->sem))
7227 return -ERESTARTSYS;
7228
7229 /* If there's already a scan in progress, don't
7230 * trigger another one. */
7231 if (ai->scan_timeout > 0)
7232 goto out;
7233
Linus Torvalds1da177e2005-04-16 15:20:36 -07007234 /* Initiate a scan command */
Dan Williams6fcdf562006-03-31 15:08:46 -05007235 ai->scan_timeout = RUN_AT(3*HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007236 memset(&cmd, 0, sizeof(cmd));
7237 cmd.cmd=CMD_LISTBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007238 issuecommand(ai, &cmd, &rsp);
Dan Williams9e75af32006-03-16 13:46:29 -05007239 wake = 1;
7240
7241out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07007242 up(&ai->sem);
Dan Williams9e75af32006-03-16 13:46:29 -05007243 if (wake)
7244 wake_up_interruptible(&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007245 return 0;
7246}
7247
7248/*------------------------------------------------------------------*/
7249/*
7250 * Translate scan data returned from the card to a card independent
7251 * format that the Wireless Tools will understand - Jean II
7252 */
7253static inline char *airo_translate_scan(struct net_device *dev,
7254 char *current_ev,
7255 char *end_buf,
Dan Williams41480af2005-05-10 09:45:51 -04007256 BSSListRid *bss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007257{
7258 struct airo_info *ai = dev->priv;
7259 struct iw_event iwe; /* Temporary buffer */
7260 u16 capabilities;
7261 char * current_val; /* For rates */
7262 int i;
Dan Williams3c304952006-04-15 12:26:18 -04007263 char * buf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007264
7265 /* First entry *MUST* be the AP MAC address */
7266 iwe.cmd = SIOCGIWAP;
7267 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007268 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007269 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7270
7271 /* Other entries will be displayed in the order we give them */
7272
7273 /* Add the ESSID */
Dan Williams41480af2005-05-10 09:45:51 -04007274 iwe.u.data.length = bss->ssidLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007275 if(iwe.u.data.length > 32)
7276 iwe.u.data.length = 32;
7277 iwe.cmd = SIOCGIWESSID;
7278 iwe.u.data.flags = 1;
Dan Williams41480af2005-05-10 09:45:51 -04007279 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007280
7281 /* Add mode */
7282 iwe.cmd = SIOCGIWMODE;
Dan Williams41480af2005-05-10 09:45:51 -04007283 capabilities = le16_to_cpu(bss->cap);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007284 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7285 if(capabilities & CAP_ESS)
7286 iwe.u.mode = IW_MODE_MASTER;
7287 else
7288 iwe.u.mode = IW_MODE_ADHOC;
7289 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7290 }
7291
7292 /* Add frequency */
7293 iwe.cmd = SIOCGIWFREQ;
Dan Williams41480af2005-05-10 09:45:51 -04007294 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
matthieu castet11414552005-09-12 23:31:39 +02007295 /* iwe.u.freq.m containt the channel (starting 1), our
7296 * frequency_list array start at index 0...
7297 */
7298 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007299 iwe.u.freq.e = 1;
7300 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7301
7302 /* Add quality statistics */
7303 iwe.cmd = IWEVQUAL;
Dan Williams41480af2005-05-10 09:45:51 -04007304 if (ai->rssi) {
7305 iwe.u.qual.level = 0x100 - bss->dBm;
7306 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007307 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7308 | IW_QUAL_LEVEL_UPDATED
7309 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007310 } else {
7311 iwe.u.qual.level = (bss->dBm + 321) / 2;
7312 iwe.u.qual.qual = 0;
Jeff Garzikbbeec902005-09-07 00:27:54 -04007313 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007314 | IW_QUAL_LEVEL_UPDATED
7315 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007316 }
7317 iwe.u.qual.noise = ai->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007318 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7319
7320 /* Add encryption capability */
7321 iwe.cmd = SIOCGIWENCODE;
7322 if(capabilities & CAP_PRIVACY)
7323 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7324 else
7325 iwe.u.data.flags = IW_ENCODE_DISABLED;
7326 iwe.u.data.length = 0;
Dan Williams41480af2005-05-10 09:45:51 -04007327 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007328
7329 /* Rate : stuffing multiple values in a single event require a bit
7330 * more of magic - Jean II */
7331 current_val = current_ev + IW_EV_LCP_LEN;
7332
7333 iwe.cmd = SIOCGIWRATE;
7334 /* Those two flags are ignored... */
7335 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7336 /* Max 8 values */
7337 for(i = 0 ; i < 8 ; i++) {
7338 /* NULL terminated */
Dan Williams41480af2005-05-10 09:45:51 -04007339 if(bss->rates[i] == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007340 break;
7341 /* Bit rate given in 500 kb/s units (+ 0x80) */
Dan Williams41480af2005-05-10 09:45:51 -04007342 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007343 /* Add new value to event */
7344 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7345 }
7346 /* Check if we added any event */
7347 if((current_val - current_ev) > IW_EV_LCP_LEN)
7348 current_ev = current_val;
7349
Dan Williams3c304952006-04-15 12:26:18 -04007350 /* Beacon interval */
7351 buf = kmalloc(30, GFP_KERNEL);
7352 if (buf) {
7353 iwe.cmd = IWEVCUSTOM;
7354 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7355 iwe.u.data.length = strlen(buf);
7356 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7357 kfree(buf);
7358 }
7359
7360 /* Put WPA/RSN Information Elements into the event stream */
7361 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7362 unsigned int num_null_ies = 0;
7363 u16 length = sizeof (bss->extra.iep);
7364 struct ieee80211_info_element *info_element =
7365 (struct ieee80211_info_element *) &bss->extra.iep;
7366
7367 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7368 if (sizeof(*info_element) + info_element->len > length) {
7369 /* Invalid element, don't continue parsing IE */
7370 break;
7371 }
7372
7373 switch (info_element->id) {
7374 case MFIE_TYPE_SSID:
7375 /* Two zero-length SSID elements
7376 * mean we're done parsing elements */
7377 if (!info_element->len)
7378 num_null_ies++;
7379 break;
7380
7381 case MFIE_TYPE_GENERIC:
7382 if (info_element->len >= 4 &&
7383 info_element->data[0] == 0x00 &&
7384 info_element->data[1] == 0x50 &&
7385 info_element->data[2] == 0xf2 &&
7386 info_element->data[3] == 0x01) {
7387 iwe.cmd = IWEVGENIE;
7388 iwe.u.data.length = min(info_element->len + 2,
7389 MAX_WPA_IE_LEN);
7390 current_ev = iwe_stream_add_point(current_ev, end_buf,
7391 &iwe, (char *) info_element);
7392 }
7393 break;
7394
7395 case MFIE_TYPE_RSN:
7396 iwe.cmd = IWEVGENIE;
7397 iwe.u.data.length = min(info_element->len + 2,
7398 MAX_WPA_IE_LEN);
7399 current_ev = iwe_stream_add_point(current_ev, end_buf,
7400 &iwe, (char *) info_element);
7401 break;
7402
7403 default:
7404 break;
7405 }
7406
7407 length -= sizeof(*info_element) + info_element->len;
7408 info_element =
7409 (struct ieee80211_info_element *)&info_element->
7410 data[info_element->len];
7411 }
7412 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007413 return current_ev;
7414}
7415
7416/*------------------------------------------------------------------*/
7417/*
7418 * Wireless Handler : Read Scan Results
7419 */
7420static int airo_get_scan(struct net_device *dev,
7421 struct iw_request_info *info,
7422 struct iw_point *dwrq,
7423 char *extra)
7424{
7425 struct airo_info *ai = dev->priv;
Dan Williams9e75af32006-03-16 13:46:29 -05007426 BSSListElement *net;
7427 int err = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007428 char *current_ev = extra;
7429
Dan Williams9e75af32006-03-16 13:46:29 -05007430 /* If a scan is in-progress, return -EAGAIN */
7431 if (ai->scan_timeout > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007432 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007433
Dan Williams9e75af32006-03-16 13:46:29 -05007434 if (down_interruptible(&ai->sem))
7435 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007436
Dan Williams9e75af32006-03-16 13:46:29 -05007437 list_for_each_entry (net, &ai->network_list, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007438 /* Translate to WE format this entry */
7439 current_ev = airo_translate_scan(dev, current_ev,
7440 extra + dwrq->length,
Dan Williams9e75af32006-03-16 13:46:29 -05007441 &net->bss);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007442
7443 /* Check if there is space for one more entry */
7444 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7445 /* Ask user space to try again with a bigger buffer */
Dan Williams9e75af32006-03-16 13:46:29 -05007446 err = -E2BIG;
7447 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007448 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007449 }
Dan Williams9e75af32006-03-16 13:46:29 -05007450
Linus Torvalds1da177e2005-04-16 15:20:36 -07007451 /* Length of data */
7452 dwrq->length = (current_ev - extra);
7453 dwrq->flags = 0; /* todo */
7454
Dan Williams9e75af32006-03-16 13:46:29 -05007455out:
7456 up(&ai->sem);
7457 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007458}
7459
7460/*------------------------------------------------------------------*/
7461/*
7462 * Commit handler : called after a bunch of SET operations
7463 */
7464static int airo_config_commit(struct net_device *dev,
7465 struct iw_request_info *info, /* NULL */
7466 void *zwrq, /* NULL */
7467 char *extra) /* NULL */
7468{
7469 struct airo_info *local = dev->priv;
7470 Resp rsp;
7471
7472 if (!test_bit (FLAG_COMMIT, &local->flags))
7473 return 0;
7474
7475 /* Some of the "SET" function may have modified some of the
7476 * parameters. It's now time to commit them in the card */
7477 disable_MAC(local, 1);
7478 if (test_bit (FLAG_RESET, &local->flags)) {
7479 APListRid APList_rid;
7480 SsidRid SSID_rid;
7481
7482 readAPListRid(local, &APList_rid);
7483 readSsidRid(local, &SSID_rid);
7484 if (test_bit(FLAG_MPI,&local->flags))
7485 setup_card(local, dev->dev_addr, 1 );
7486 else
7487 reset_airo_card(dev);
7488 disable_MAC(local, 1);
7489 writeSsidRid(local, &SSID_rid, 1);
7490 writeAPListRid(local, &APList_rid, 1);
7491 }
7492 if (down_interruptible(&local->sem))
7493 return -ERESTARTSYS;
7494 writeConfigRid(local, 0);
7495 enable_MAC(local, &rsp, 0);
7496 if (test_bit (FLAG_RESET, &local->flags))
7497 airo_set_promisc(local);
7498 else
7499 up(&local->sem);
7500
7501 return 0;
7502}
7503
7504/*------------------------------------------------------------------*/
7505/*
7506 * Structures to export the Wireless Handlers
7507 */
7508
7509static const struct iw_priv_args airo_private_args[] = {
7510/*{ cmd, set_args, get_args, name } */
7511 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7512 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7513 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7514 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7515};
7516
7517static const iw_handler airo_handler[] =
7518{
7519 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7520 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7521 (iw_handler) NULL, /* SIOCSIWNWID */
7522 (iw_handler) NULL, /* SIOCGIWNWID */
7523 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7524 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7525 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7526 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7527 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7528 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7529 (iw_handler) NULL, /* SIOCSIWRANGE */
7530 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7531 (iw_handler) NULL, /* SIOCSIWPRIV */
7532 (iw_handler) NULL, /* SIOCGIWPRIV */
7533 (iw_handler) NULL, /* SIOCSIWSTATS */
7534 (iw_handler) NULL, /* SIOCGIWSTATS */
7535 iw_handler_set_spy, /* SIOCSIWSPY */
7536 iw_handler_get_spy, /* SIOCGIWSPY */
7537 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7538 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7539 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7540 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7543 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7544 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7545 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7546 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7547 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7548 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7549 (iw_handler) NULL, /* -- hole -- */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7552 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7553 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7554 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7555 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7556 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7557 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7558 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7559 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7560 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7561 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7562 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7563 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7564 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
Dan Williams4be757d2006-01-30 11:58:00 -05007565 (iw_handler) NULL, /* -- hole -- */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* SIOCSIWGENIE */
7568 (iw_handler) NULL, /* SIOCGIWGENIE */
7569 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7570 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7571 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7572 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7573 (iw_handler) NULL, /* SIOCSIWPMKSA */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007574};
7575
7576/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7577 * We want to force the use of the ioctl code, because those can't be
7578 * won't work the iw_handler code (because they simultaneously read
7579 * and write data and iw_handler can't do that).
7580 * Note that it's perfectly legal to read/write on a single ioctl command,
7581 * you just can't use iwpriv and need to force it via the ioctl handler.
7582 * Jean II */
7583static const iw_handler airo_private_handler[] =
7584{
7585 NULL, /* SIOCIWFIRSTPRIV */
7586};
7587
7588static const struct iw_handler_def airo_handler_def =
7589{
7590 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7591 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7592 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7593 .standard = airo_handler,
7594 .private = airo_private_handler,
7595 .private_args = airo_private_args,
7596 .get_wireless_stats = airo_get_wireless_stats,
7597};
7598
Linus Torvalds1da177e2005-04-16 15:20:36 -07007599/*
7600 * This defines the configuration part of the Wireless Extensions
7601 * Note : irq and spinlock protection will occur in the subroutines
7602 *
7603 * TODO :
7604 * o Check input value more carefully and fill correct values in range
7605 * o Test and shakeout the bugs (if any)
7606 *
7607 * Jean II
7608 *
7609 * Javier Achirica did a great job of merging code from the unnamed CISCO
7610 * developer that added support for flashing the card.
7611 */
7612static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7613{
7614 int rc = 0;
7615 struct airo_info *ai = (struct airo_info *)dev->priv;
7616
Pavel Machekca078ba2005-09-03 15:56:57 -07007617 if (ai->power.event)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007618 return 0;
7619
7620 switch (cmd) {
7621#ifdef CISCO_EXT
7622 case AIROIDIFC:
7623#ifdef AIROOLDIDIFC
7624 case AIROOLDIDIFC:
7625#endif
7626 {
7627 int val = AIROMAGIC;
7628 aironet_ioctl com;
7629 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7630 rc = -EFAULT;
7631 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7632 rc = -EFAULT;
7633 }
7634 break;
7635
7636 case AIROIOCTL:
7637#ifdef AIROOLDIOCTL
7638 case AIROOLDIOCTL:
7639#endif
7640 /* Get the command struct and hand it off for evaluation by
7641 * the proper subfunction
7642 */
7643 {
7644 aironet_ioctl com;
7645 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7646 rc = -EFAULT;
7647 break;
7648 }
7649
7650 /* Separate R/W functions bracket legality here
7651 */
7652 if ( com.command == AIRORSWVERSION ) {
7653 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7654 rc = -EFAULT;
7655 else
7656 rc = 0;
7657 }
7658 else if ( com.command <= AIRORRID)
7659 rc = readrids(dev,&com);
7660 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7661 rc = writerids(dev,&com);
7662 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7663 rc = flashcard(dev,&com);
7664 else
7665 rc = -EINVAL; /* Bad command in ioctl */
7666 }
7667 break;
7668#endif /* CISCO_EXT */
7669
7670 // All other calls are currently unsupported
7671 default:
7672 rc = -EOPNOTSUPP;
7673 }
7674 return rc;
7675}
7676
Linus Torvalds1da177e2005-04-16 15:20:36 -07007677/*
7678 * Get the Wireless stats out of the driver
7679 * Note : irq and spinlock protection will occur in the subroutines
7680 *
7681 * TODO :
7682 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7683 *
7684 * Jean
7685 */
7686static void airo_read_wireless_stats(struct airo_info *local)
7687{
7688 StatusRid status_rid;
7689 StatsRid stats_rid;
7690 CapabilityRid cap_rid;
7691 u32 *vals = stats_rid.vals;
7692
7693 /* Get stats out of the card */
Dan Williams3c304952006-04-15 12:26:18 -04007694 clear_bit(JOB_WSTATS, &local->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07007695 if (local->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007696 up(&local->sem);
7697 return;
7698 }
7699 readCapabilityRid(local, &cap_rid, 0);
7700 readStatusRid(local, &status_rid, 0);
7701 readStatsRid(local, &stats_rid, RID_STATS, 0);
7702 up(&local->sem);
7703
7704 /* The status */
7705 local->wstats.status = status_rid.mode;
7706
Dan Williams41480af2005-05-10 09:45:51 -04007707 /* Signal quality and co */
7708 if (local->rssi) {
7709 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7710 /* normalizedSignalStrength appears to be a percentage */
7711 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7712 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007713 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007714 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7715 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007716 if (status_rid.len >= 124) {
Dan Williams41480af2005-05-10 09:45:51 -04007717 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007718 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007719 } else {
7720 local->wstats.qual.noise = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007721 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007722 }
7723
7724 /* Packets discarded in the wireless adapter due to wireless
7725 * specific problems */
7726 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7727 local->wstats.discard.code = vals[6];/* RxWepErr */
7728 local->wstats.discard.fragment = vals[30];
7729 local->wstats.discard.retries = vals[10];
7730 local->wstats.discard.misc = vals[1] + vals[32];
7731 local->wstats.miss.beacon = vals[34];
7732}
7733
Jouni Malinenff1d2762005-05-12 22:54:16 -04007734static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007735{
7736 struct airo_info *local = dev->priv;
7737
Dan Williams3c304952006-04-15 12:26:18 -04007738 if (!test_bit(JOB_WSTATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007739 /* Get stats out of the card if available */
7740 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04007741 set_bit(JOB_WSTATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007742 wake_up_interruptible(&local->thr_wait);
7743 } else
7744 airo_read_wireless_stats(local);
7745 }
7746
7747 return &local->wstats;
7748}
Linus Torvalds1da177e2005-04-16 15:20:36 -07007749
7750#ifdef CISCO_EXT
7751/*
7752 * This just translates from driver IOCTL codes to the command codes to
7753 * feed to the radio's host interface. Things can be added/deleted
7754 * as needed. This represents the READ side of control I/O to
7755 * the card
7756 */
7757static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7758 unsigned short ridcode;
7759 unsigned char *iobuf;
7760 int len;
7761 struct airo_info *ai = dev->priv;
7762 Resp rsp;
7763
7764 if (test_bit(FLAG_FLASHING, &ai->flags))
7765 return -EIO;
7766
7767 switch(comp->command)
7768 {
7769 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7770 case AIROGCFG: ridcode = RID_CONFIG;
7771 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7772 disable_MAC (ai, 1);
7773 writeConfigRid (ai, 1);
7774 enable_MAC (ai, &rsp, 1);
7775 }
7776 break;
7777 case AIROGSLIST: ridcode = RID_SSID; break;
7778 case AIROGVLIST: ridcode = RID_APLIST; break;
7779 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7780 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7781 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7782 /* Only super-user can read WEP keys */
7783 if (!capable(CAP_NET_ADMIN))
7784 return -EPERM;
7785 break;
7786 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7787 /* Only super-user can read WEP keys */
7788 if (!capable(CAP_NET_ADMIN))
7789 return -EPERM;
7790 break;
7791 case AIROGSTAT: ridcode = RID_STATUS; break;
7792 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7793 case AIROGSTATSC32: ridcode = RID_STATS; break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007794 case AIROGMICSTATS:
7795 if (copy_to_user(comp->data, &ai->micstats,
7796 min((int)comp->len,(int)sizeof(ai->micstats))))
7797 return -EFAULT;
7798 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007799 case AIRORRID: ridcode = comp->ridnum; break;
7800 default:
7801 return -EINVAL;
7802 break;
7803 }
7804
7805 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7806 return -ENOMEM;
7807
7808 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7809 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7810 * then return it to the user
7811 * 9/22/2000 Honor user given length
7812 */
7813 len = comp->len;
7814
7815 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7816 kfree (iobuf);
7817 return -EFAULT;
7818 }
7819 kfree (iobuf);
7820 return 0;
7821}
7822
7823/*
7824 * Danger Will Robinson write the rids here
7825 */
7826
7827static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7828 struct airo_info *ai = dev->priv;
7829 int ridcode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007830 int enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007831 Resp rsp;
7832 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7833 unsigned char *iobuf;
7834
7835 /* Only super-user can write RIDs */
7836 if (!capable(CAP_NET_ADMIN))
7837 return -EPERM;
7838
7839 if (test_bit(FLAG_FLASHING, &ai->flags))
7840 return -EIO;
7841
7842 ridcode = 0;
7843 writer = do_writerid;
7844
7845 switch(comp->command)
7846 {
7847 case AIROPSIDS: ridcode = RID_SSID; break;
7848 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7849 case AIROPAPLIST: ridcode = RID_APLIST; break;
7850 case AIROPCFG: ai->config.len = 0;
7851 clear_bit(FLAG_COMMIT, &ai->flags);
7852 ridcode = RID_CONFIG; break;
7853 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7854 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7855 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7856 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7857 break;
7858 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7859 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7860
7861 /* this is not really a rid but a command given to the card
7862 * same with MAC off
7863 */
7864 case AIROPMACON:
7865 if (enable_MAC(ai, &rsp, 1) != 0)
7866 return -EIO;
7867 return 0;
7868
7869 /*
7870 * Evidently this code in the airo driver does not get a symbol
7871 * as disable_MAC. it's probably so short the compiler does not gen one.
7872 */
7873 case AIROPMACOFF:
7874 disable_MAC(ai, 1);
7875 return 0;
7876
7877 /* This command merely clears the counts does not actually store any data
7878 * only reads rid. But as it changes the cards state, I put it in the
7879 * writerid routines.
7880 */
7881 case AIROPSTCLR:
7882 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7883 return -ENOMEM;
7884
7885 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7886
Linus Torvalds1da177e2005-04-16 15:20:36 -07007887 enabled = ai->micstats.enabled;
7888 memset(&ai->micstats,0,sizeof(ai->micstats));
7889 ai->micstats.enabled = enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007890
7891 if (copy_to_user(comp->data, iobuf,
7892 min((int)comp->len, (int)RIDSIZE))) {
7893 kfree (iobuf);
7894 return -EFAULT;
7895 }
7896 kfree (iobuf);
7897 return 0;
7898
7899 default:
7900 return -EOPNOTSUPP; /* Blarg! */
7901 }
7902 if(comp->len > RIDSIZE)
7903 return -EINVAL;
7904
7905 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7906 return -ENOMEM;
7907
7908 if (copy_from_user(iobuf,comp->data,comp->len)) {
7909 kfree (iobuf);
7910 return -EFAULT;
7911 }
7912
7913 if (comp->command == AIROPCFG) {
7914 ConfigRid *cfg = (ConfigRid *)iobuf;
7915
7916 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7917 cfg->opmode |= MODE_MIC;
7918
7919 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7920 set_bit (FLAG_ADHOC, &ai->flags);
7921 else
7922 clear_bit (FLAG_ADHOC, &ai->flags);
7923 }
7924
7925 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7926 kfree (iobuf);
7927 return -EIO;
7928 }
7929 kfree (iobuf);
7930 return 0;
7931}
7932
7933/*****************************************************************************
7934 * Ancillary flash / mod functions much black magic lurkes here *
7935 *****************************************************************************
7936 */
7937
7938/*
7939 * Flash command switch table
7940 */
7941
Jouni Malinenff1d2762005-05-12 22:54:16 -04007942static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007943 int z;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007944
7945 /* Only super-user can modify flash */
7946 if (!capable(CAP_NET_ADMIN))
7947 return -EPERM;
7948
7949 switch(comp->command)
7950 {
7951 case AIROFLSHRST:
7952 return cmdreset((struct airo_info *)dev->priv);
7953
7954 case AIROFLSHSTFL:
7955 if (!((struct airo_info *)dev->priv)->flash &&
7956 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7957 return -ENOMEM;
7958 return setflashmode((struct airo_info *)dev->priv);
7959
7960 case AIROFLSHGCHR: /* Get char from aux */
7961 if(comp->len != sizeof(int))
7962 return -EINVAL;
7963 if (copy_from_user(&z,comp->data,comp->len))
7964 return -EFAULT;
7965 return flashgchar((struct airo_info *)dev->priv,z,8000);
7966
7967 case AIROFLSHPCHR: /* Send char to card. */
7968 if(comp->len != sizeof(int))
7969 return -EINVAL;
7970 if (copy_from_user(&z,comp->data,comp->len))
7971 return -EFAULT;
7972 return flashpchar((struct airo_info *)dev->priv,z,8000);
7973
7974 case AIROFLPUTBUF: /* Send 32k to card */
7975 if (!((struct airo_info *)dev->priv)->flash)
7976 return -ENOMEM;
7977 if(comp->len > FLASHSIZE)
7978 return -EINVAL;
7979 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7980 return -EFAULT;
7981
7982 flashputbuf((struct airo_info *)dev->priv);
7983 return 0;
7984
7985 case AIRORESTART:
7986 if(flashrestart((struct airo_info *)dev->priv,dev))
7987 return -EIO;
7988 return 0;
7989 }
7990 return -EINVAL;
7991}
7992
7993#define FLASH_COMMAND 0x7e7e
7994
7995/*
7996 * STEP 1)
7997 * Disable MAC and do soft reset on
7998 * card.
7999 */
8000
Jouni Malinenff1d2762005-05-12 22:54:16 -04008001static int cmdreset(struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008002 disable_MAC(ai, 1);
8003
8004 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05008005 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008006 return -EBUSY;
8007 }
8008
8009 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8010
8011 ssleep(1); /* WAS 600 12/7/00 */
8012
8013 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05008014 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008015 return -EBUSY;
8016 }
8017 return 0;
8018}
8019
8020/* STEP 2)
8021 * Put the card in legendary flash
8022 * mode
8023 */
8024
Jouni Malinenff1d2762005-05-12 22:54:16 -04008025static int setflashmode (struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008026 set_bit (FLAG_FLASHING, &ai->flags);
8027
8028 OUT4500(ai, SWS0, FLASH_COMMAND);
8029 OUT4500(ai, SWS1, FLASH_COMMAND);
8030 if (probe) {
8031 OUT4500(ai, SWS0, FLASH_COMMAND);
8032 OUT4500(ai, COMMAND,0x10);
8033 } else {
8034 OUT4500(ai, SWS2, FLASH_COMMAND);
8035 OUT4500(ai, SWS3, FLASH_COMMAND);
8036 OUT4500(ai, COMMAND,0);
8037 }
8038 msleep(500); /* 500ms delay */
8039
8040 if(!waitbusy(ai)) {
8041 clear_bit (FLAG_FLASHING, &ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05008042 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008043 return -EIO;
8044 }
8045 return 0;
8046}
8047
8048/* Put character to SWS0 wait for dwelltime
8049 * x 50us for echo .
8050 */
8051
Jouni Malinenff1d2762005-05-12 22:54:16 -04008052static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008053 int echo;
8054 int waittime;
8055
8056 byte |= 0x8000;
8057
8058 if(dwelltime == 0 )
8059 dwelltime = 200;
8060
8061 waittime=dwelltime;
8062
8063 /* Wait for busy bit d15 to go false indicating buffer empty */
8064 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8065 udelay (50);
8066 waittime -= 50;
8067 }
8068
8069 /* timeout for busy clear wait */
8070 if(waittime <= 0 ){
Dan Williams934d8bf2006-03-16 13:46:23 -05008071 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008072 return -EBUSY;
8073 }
8074
8075 /* Port is clear now write byte and wait for it to echo back */
8076 do {
8077 OUT4500(ai,SWS0,byte);
8078 udelay(50);
8079 dwelltime -= 50;
8080 echo = IN4500(ai,SWS1);
8081 } while (dwelltime >= 0 && echo != byte);
8082
8083 OUT4500(ai,SWS1,0);
8084
8085 return (echo == byte) ? 0 : -EIO;
8086}
8087
8088/*
8089 * Get a character from the card matching matchbyte
8090 * Step 3)
8091 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008092static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008093 int rchar;
8094 unsigned char rbyte=0;
8095
8096 do {
8097 rchar = IN4500(ai,SWS1);
8098
8099 if(dwelltime && !(0x8000 & rchar)){
8100 dwelltime -= 10;
8101 mdelay(10);
8102 continue;
8103 }
8104 rbyte = 0xff & rchar;
8105
8106 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8107 OUT4500(ai,SWS1,0);
8108 return 0;
8109 }
8110 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8111 break;
8112 OUT4500(ai,SWS1,0);
8113
8114 }while(dwelltime > 0);
8115 return -EIO;
8116}
8117
8118/*
8119 * Transfer 32k of firmware data from user buffer to our buffer and
8120 * send to the card
8121 */
8122
Jouni Malinenff1d2762005-05-12 22:54:16 -04008123static int flashputbuf(struct airo_info *ai){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008124 int nwords;
8125
8126 /* Write stuff */
8127 if (test_bit(FLAG_MPI,&ai->flags))
8128 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8129 else {
8130 OUT4500(ai,AUXPAGE,0x100);
8131 OUT4500(ai,AUXOFF,0);
8132
8133 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8134 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8135 }
8136 }
8137 OUT4500(ai,SWS0,0x8000);
8138
8139 return 0;
8140}
8141
8142/*
8143 *
8144 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008145static int flashrestart(struct airo_info *ai,struct net_device *dev){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008146 int i,status;
8147
8148 ssleep(1); /* Added 12/7/00 */
8149 clear_bit (FLAG_FLASHING, &ai->flags);
8150 if (test_bit(FLAG_MPI, &ai->flags)) {
8151 status = mpi_init_descriptors(ai);
8152 if (status != SUCCESS)
8153 return status;
8154 }
8155 status = setup_card(ai, dev->dev_addr, 1);
8156
8157 if (!test_bit(FLAG_MPI,&ai->flags))
8158 for( i = 0; i < MAX_FIDS; i++ ) {
8159 ai->fids[i] = transmit_allocate
Dan Williams15db2762006-03-16 13:46:27 -05008160 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07008161 }
8162
8163 ssleep(1); /* Added 12/7/00 */
8164 return status;
8165}
8166#endif /* CISCO_EXT */
8167
8168/*
8169 This program is free software; you can redistribute it and/or
8170 modify it under the terms of the GNU General Public License
8171 as published by the Free Software Foundation; either version 2
8172 of the License, or (at your option) any later version.
8173
8174 This program is distributed in the hope that it will be useful,
8175 but WITHOUT ANY WARRANTY; without even the implied warranty of
8176 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8177 GNU General Public License for more details.
8178
8179 In addition:
8180
8181 Redistribution and use in source and binary forms, with or without
8182 modification, are permitted provided that the following conditions
8183 are met:
8184
8185 1. Redistributions of source code must retain the above copyright
8186 notice, this list of conditions and the following disclaimer.
8187 2. Redistributions in binary form must reproduce the above copyright
8188 notice, this list of conditions and the following disclaimer in the
8189 documentation and/or other materials provided with the distribution.
8190 3. The name of the author may not be used to endorse or promote
8191 products derived from this software without specific prior written
8192 permission.
8193
8194 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8195 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8196 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8197 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8198 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8199 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8200 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8201 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8202 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8203 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8204 POSSIBILITY OF SUCH DAMAGE.
8205*/
8206
8207module_init(airo_init_module);
8208module_exit(airo_cleanup_module);