blob: ee1cc14db389f91d9c8a7d09898c1eee7887d494 [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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29#include <linux/sched.h>
30#include <linux/ptrace.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/in.h>
36#include <linux/bitops.h>
David Hardeman378f0582005-09-17 17:55:31 +100037#include <linux/scatterlist.h>
Adrian Bunka39d3e72006-01-21 01:35:15 +010038#include <linux/crypto.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039#include <asm/io.h>
40#include <asm/system.h>
41
42#include <linux/netdevice.h>
43#include <linux/etherdevice.h>
44#include <linux/skbuff.h>
45#include <linux/if_arp.h>
46#include <linux/ioport.h>
47#include <linux/pci.h>
48#include <asm/uaccess.h>
Dan Williams3c304952006-04-15 12:26:18 -040049#include <net/ieee80211.h>
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -070050#include <linux/kthread.h>
Nigel Cunningham7dfb7102006-12-06 20:34:23 -080051#include <linux/freezer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Adrian Bunkd3808762005-11-05 17:42:27 +010053#include "airo.h"
54
Michal Schmidt1138c372007-06-29 15:33:41 +020055#define DRV_NAME "airo"
56
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#ifdef CONFIG_PCI
58static struct pci_device_id card_ids[] = {
59 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
61 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0, }
67};
68MODULE_DEVICE_TABLE(pci, card_ids);
69
70static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
71static void airo_pci_remove(struct pci_dev *);
Pavel Machek05adc3b2005-04-16 15:25:25 -070072static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
Linus Torvalds1da177e2005-04-16 15:20:36 -070073static int airo_pci_resume(struct pci_dev *pdev);
74
75static struct pci_driver airo_driver = {
Michal Schmidt1138c372007-06-29 15:33:41 +020076 .name = DRV_NAME,
Linus Torvalds1da177e2005-04-16 15:20:36 -070077 .id_table = card_ids,
78 .probe = airo_pci_probe,
79 .remove = __devexit_p(airo_pci_remove),
80 .suspend = airo_pci_suspend,
81 .resume = airo_pci_resume,
82};
83#endif /* CONFIG_PCI */
84
85/* Include Wireless Extension definition and check version - Jean II */
86#include <linux/wireless.h>
87#define WIRELESS_SPY // enable iwspy support
88#include <net/iw_handler.h> // New driver API
89
90#define CISCO_EXT // enable Cisco extensions
91#ifdef CISCO_EXT
92#include <linux/delay.h>
93#endif
94
Linus Torvalds1da177e2005-04-16 15:20:36 -070095/* Hack to do some power saving */
96#define POWER_ON_DOWN
97
98/* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
103
104#define IGNLABEL(comment) NULL
105static char *statsLabels[] = {
106 "RxOverrun",
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
110 "RxMacCrcErr",
111 "RxMacCrcOk",
112 "RxWepErr",
113 "RxWepOk",
114 "RetryLong",
115 "RetryShort",
116 "MaxRetries",
117 "NoAck",
118 "NoCts",
119 "RxAck",
120 "RxCts",
121 "TxAck",
122 "TxRts",
123 "TxCts",
124 "TxMc",
125 "TxBc",
126 "TxUcFrags",
127 "TxUcPackets",
128 "TxBeacon",
129 "RxBeacon",
130 "TxSinColl",
131 "TxMulColl",
132 "DefersNo",
133 "DefersProt",
134 "DefersEngy",
135 "DupFram",
136 "RxFragDisc",
137 "TxAged",
138 "RxAged",
139 "LostSync-MaxRetry",
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
142 "LostSync-Deauth",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
145 "HostTxMc",
146 "HostTxBc",
147 "HostTxUc",
148 "HostTxFail",
149 "HostRxMc",
150 "HostRxBc",
151 "HostRxUc",
152 "HostRxDiscard",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
162 "SsidMismatch",
163 "ApMismatch",
164 "RatesMismatch",
165 "AuthReject",
166 "AuthTimeout",
167 "AssocReject",
168 "AssocTimeout",
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
189 "RxMan",
190 "TxMan",
191 "RxRefresh",
192 "TxRefresh",
193 "RxPoll",
194 "TxPoll",
195 "HostRetries",
196 "LostSync-HostReq",
197 "HostTxBytes",
198 "HostRxBytes",
199 "ElapsedUsec",
200 "ElapsedSec",
201 "LostSyncBetterAP",
202 "PrivacyMismatch",
203 "Jammed",
204 "DiscRxNotWepped",
205 "PhyEleMismatch",
206 (char*)-1 };
207#ifndef RUN_AT
208#define RUN_AT(x) (jiffies+(x))
209#endif
210
211
212/* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
215
216static int rates[8];
217static int basic_rate;
218static char *ssids[3];
219
220static int io[4];
221static int irq[4];
222
223static
224int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230static int adhoc;
231
232static int probe = 1;
233
234static int proc_uid /* = 0 */;
235
236static int proc_gid /* = 0 */;
237
238static int airo_perm = 0555;
239
240static int proc_perm = 0644;
241
242MODULE_AUTHOR("Benjamin Reed");
243MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246MODULE_LICENSE("Dual BSD/GPL");
247MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248module_param_array(io, int, NULL, 0);
249module_param_array(irq, int, NULL, 0);
250module_param(basic_rate, int, 0);
251module_param_array(rates, int, NULL, 0);
252module_param_array(ssids, charp, NULL, 0);
253module_param(auto_wep, int, 0);
254MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255the authentication options until an association is made. The value of \
256auto_wep is number of the wep keys to check. A value of 2 will try using \
257the key at index 0 and index 1.");
258module_param(aux_bap, int, 0);
259MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260than seems to work better for older cards with some older buses. Before \
261switching it checks that the switch is needed.");
262module_param(maxencrypt, int, 0);
263MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265Older cards used to be limited to 2mbs (4).");
266module_param(adhoc, int, 0);
267MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268module_param(probe, int, 0);
269MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
270
271module_param(proc_uid, int, 0);
272MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273module_param(proc_gid, int, 0);
274MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275module_param(airo_perm, int, 0);
276MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277module_param(proc_perm, int, 0);
278MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
279
280/* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283static int do8bitIO = 0;
284
285/* Return codes */
286#define SUCCESS 0
287#define ERROR -1
288#define NO_PACKET -2
289
290/* Commands */
291#define NOP2 0x0000
292#define MAC_ENABLE 0x0001
293#define MAC_DISABLE 0x0002
294#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295#define CMD_SOFTRESET 0x0004
296#define HOSTSLEEP 0x0005
297#define CMD_MAGIC_PKT 0x0006
298#define CMD_SETWAKEMASK 0x0007
299#define CMD_READCFG 0x0008
300#define CMD_SETMODE 0x0009
301#define CMD_ALLOCATETX 0x000a
302#define CMD_TRANSMIT 0x000b
303#define CMD_DEALLOCATETX 0x000c
304#define NOP 0x0010
305#define CMD_WORKAROUND 0x0011
306#define CMD_ALLOCATEAUX 0x0020
307#define CMD_ACCESS 0x0021
308#define CMD_PCIBAP 0x0022
309#define CMD_PCIAUX 0x0023
310#define CMD_ALLOCBUF 0x0028
311#define CMD_GETTLV 0x0029
312#define CMD_PUTTLV 0x002a
313#define CMD_DELTLV 0x002b
314#define CMD_FINDNEXTTLV 0x002c
315#define CMD_PSPNODES 0x0030
316#define CMD_SETCW 0x0031
317#define CMD_SETPCF 0x0032
318#define CMD_SETPHYREG 0x003e
319#define CMD_TXTEST 0x003f
320#define MAC_ENABLETX 0x0101
321#define CMD_LISTBSS 0x0103
322#define CMD_SAVECFG 0x0108
323#define CMD_ENABLEAUX 0x0111
324#define CMD_WRITERID 0x0121
325#define CMD_USEPSPNODES 0x0130
326#define MAC_ENABLERX 0x0201
327
328/* Command errors */
329#define ERROR_QUALIF 0x00
330#define ERROR_ILLCMD 0x01
331#define ERROR_ILLFMT 0x02
332#define ERROR_INVFID 0x03
333#define ERROR_INVRID 0x04
334#define ERROR_LARGE 0x05
335#define ERROR_NDISABL 0x06
336#define ERROR_ALLOCBSY 0x07
337#define ERROR_NORD 0x0B
338#define ERROR_NOWR 0x0C
339#define ERROR_INVFIDTX 0x0D
340#define ERROR_TESTACT 0x0E
341#define ERROR_TAGNFND 0x12
342#define ERROR_DECODE 0x20
343#define ERROR_DESCUNAV 0x21
344#define ERROR_BADLEN 0x22
345#define ERROR_MODE 0x80
346#define ERROR_HOP 0x81
347#define ERROR_BINTER 0x82
348#define ERROR_RXMODE 0x83
349#define ERROR_MACADDR 0x84
350#define ERROR_RATES 0x85
351#define ERROR_ORDER 0x86
352#define ERROR_SCAN 0x87
353#define ERROR_AUTH 0x88
354#define ERROR_PSMODE 0x89
355#define ERROR_RTYPE 0x8A
356#define ERROR_DIVER 0x8B
357#define ERROR_SSID 0x8C
358#define ERROR_APLIST 0x8D
359#define ERROR_AUTOWAKE 0x8E
360#define ERROR_LEAP 0x8F
361
362/* Registers */
363#define COMMAND 0x00
364#define PARAM0 0x02
365#define PARAM1 0x04
366#define PARAM2 0x06
367#define STATUS 0x08
368#define RESP0 0x0a
369#define RESP1 0x0c
370#define RESP2 0x0e
371#define LINKSTAT 0x10
372#define SELECT0 0x18
373#define OFFSET0 0x1c
374#define RXFID 0x20
375#define TXALLOCFID 0x22
376#define TXCOMPLFID 0x24
377#define DATA0 0x36
378#define EVSTAT 0x30
379#define EVINTEN 0x32
380#define EVACK 0x34
381#define SWS0 0x28
382#define SWS1 0x2a
383#define SWS2 0x2c
384#define SWS3 0x2e
385#define AUXPAGE 0x3A
386#define AUXOFF 0x3C
387#define AUXDATA 0x3E
388
389#define FID_TX 1
390#define FID_RX 2
391/* Offset into aux memory for descriptors */
392#define AUX_OFFSET 0x800
393/* Size of allocated packets */
394#define PKTSIZE 1840
395#define RIDSIZE 2048
396/* Size of the transmit queue */
397#define MAXTXQ 64
398
399/* BAP selectors */
400#define BAP0 0 // Used for receiving packets
401#define BAP1 2 // Used for xmiting packets and working with RIDS
402
403/* Flags */
404#define COMMAND_BUSY 0x8000
405
406#define BAP_BUSY 0x8000
407#define BAP_ERR 0x4000
408#define BAP_DONE 0x2000
409
410#define PROMISC 0xffff
411#define NOPROMISC 0x0000
412
413#define EV_CMD 0x10
414#define EV_CLEARCOMMANDBUSY 0x4000
415#define EV_RX 0x01
416#define EV_TX 0x02
417#define EV_TXEXC 0x04
418#define EV_ALLOC 0x08
419#define EV_LINK 0x80
420#define EV_AWAKE 0x100
421#define EV_TXCPY 0x400
422#define EV_UNKNOWN 0x800
423#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424#define EV_AWAKEN 0x2000
425#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426
427#ifdef CHECK_UNKNOWN_INTS
428#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429#else
430#define IGNORE_INTS (~STATUS_INTS)
431#endif
432
433/* RID TYPES */
434#define RID_RW 0x20
435
436/* The RIDs */
437#define RID_CAPABILITIES 0xFF00
438#define RID_APINFO 0xFF01
439#define RID_RADIOINFO 0xFF02
440#define RID_UNKNOWN3 0xFF03
441#define RID_RSSI 0xFF04
442#define RID_CONFIG 0xFF10
443#define RID_SSID 0xFF11
444#define RID_APLIST 0xFF12
445#define RID_DRVNAME 0xFF13
446#define RID_ETHERENCAP 0xFF14
447#define RID_WEP_TEMP 0xFF15
448#define RID_WEP_PERM 0xFF16
449#define RID_MODULATION 0xFF17
450#define RID_OPTIONS 0xFF18
451#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452#define RID_FACTORYCONFIG 0xFF21
453#define RID_UNKNOWN22 0xFF22
454#define RID_LEAPUSERNAME 0xFF23
455#define RID_LEAPPASSWORD 0xFF24
456#define RID_STATUS 0xFF50
457#define RID_BEACON_HST 0xFF51
458#define RID_BUSY_HST 0xFF52
459#define RID_RETRIES_HST 0xFF53
460#define RID_UNKNOWN54 0xFF54
461#define RID_UNKNOWN55 0xFF55
462#define RID_UNKNOWN56 0xFF56
463#define RID_MIC 0xFF57
464#define RID_STATS16 0xFF60
465#define RID_STATS16DELTA 0xFF61
466#define RID_STATS16DELTACLEAR 0xFF62
467#define RID_STATS 0xFF68
468#define RID_STATSDELTA 0xFF69
469#define RID_STATSDELTACLEAR 0xFF6A
470#define RID_ECHOTEST_RID 0xFF70
471#define RID_ECHOTEST_RESULTS 0xFF71
472#define RID_BSSLISTFIRST 0xFF72
473#define RID_BSSLISTNEXT 0xFF73
Dan Williams3c304952006-04-15 12:26:18 -0400474#define RID_WPA_BSSLISTFIRST 0xFF74
475#define RID_WPA_BSSLISTNEXT 0xFF75
Linus Torvalds1da177e2005-04-16 15:20:36 -0700476
477typedef struct {
478 u16 cmd;
479 u16 parm0;
480 u16 parm1;
481 u16 parm2;
482} Cmd;
483
484typedef struct {
485 u16 status;
486 u16 rsp0;
487 u16 rsp1;
488 u16 rsp2;
489} Resp;
490
491/*
492 * Rids and endian-ness: The Rids will always be in cpu endian, since
493 * this all the patches from the big-endian guys end up doing that.
494 * so all rid access should use the read/writeXXXRid routines.
495 */
496
497/* This is redundant for x86 archs, but it seems necessary for ARM */
498#pragma pack(1)
499
500/* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502typedef struct {
503 u16 len;
504 u16 kindex;
505 u8 mac[ETH_ALEN];
506 u16 klen;
507 u8 key[16];
508} WepKeyRid;
509
510/* These structures are from the Aironet's PC4500 Developers Manual */
511typedef struct {
512 u16 len;
513 u8 ssid[32];
514} Ssid;
515
516typedef struct {
517 u16 len;
518 Ssid ssids[3];
519} SsidRid;
520
521typedef struct {
522 u16 len;
523 u16 modulation;
524#define MOD_DEFAULT 0
525#define MOD_CCK 1
526#define MOD_MOK 2
527} ModulationRid;
528
529typedef struct {
530 u16 len; /* sizeof(ConfigRid) */
531 u16 opmode; /* operating mode */
532#define MODE_STA_IBSS 0
533#define MODE_STA_ESS 1
534#define MODE_AP 2
535#define MODE_AP_RPTR 3
536#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
537#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
538#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
539#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
540#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
541#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
542#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
543#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
544#define MODE_MIC (1<<15) /* enable MIC */
545 u16 rmode; /* receive mode */
546#define RXMODE_BC_MC_ADDR 0
547#define RXMODE_BC_ADDR 1 /* ignore multicasts */
548#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
549#define RXMODE_RFMON 3 /* wireless monitor mode */
550#define RXMODE_RFMON_ANYBSS 4
551#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
552#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
553#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u16 fragThresh;
555 u16 rtsThres;
556 u8 macAddr[ETH_ALEN];
557 u8 rates[8];
558 u16 shortRetryLimit;
559 u16 longRetryLimit;
560 u16 txLifetime; /* in kusec */
561 u16 rxLifetime; /* in kusec */
562 u16 stationary;
563 u16 ordering;
564 u16 u16deviceType; /* for overriding device type */
565 u16 cfpRate;
566 u16 cfpDuration;
567 u16 _reserved1[3];
568 /*---------- Scanning/Associating ----------*/
569 u16 scanMode;
570#define SCANMODE_ACTIVE 0
571#define SCANMODE_PASSIVE 1
572#define SCANMODE_AIROSCAN 2
573 u16 probeDelay; /* in kusec */
574 u16 probeEnergyTimeout; /* in kusec */
575 u16 probeResponseTimeout;
576 u16 beaconListenTimeout;
577 u16 joinNetTimeout;
578 u16 authTimeout;
579 u16 authType;
580#define AUTH_OPEN 0x1
581#define AUTH_ENCRYPT 0x101
582#define AUTH_SHAREDKEY 0x102
583#define AUTH_ALLOW_UNENCRYPTED 0x200
584 u16 associationTimeout;
585 u16 specifiedApTimeout;
586 u16 offlineScanInterval;
587 u16 offlineScanDuration;
588 u16 linkLossDelay;
589 u16 maxBeaconLostTime;
590 u16 refreshInterval;
591#define DISABLE_REFRESH 0xFFFF
592 u16 _reserved1a[1];
593 /*---------- Power save operation ----------*/
594 u16 powerSaveMode;
595#define POWERSAVE_CAM 0
596#define POWERSAVE_PSP 1
597#define POWERSAVE_PSPCAM 2
598 u16 sleepForDtims;
599 u16 listenInterval;
600 u16 fastListenInterval;
601 u16 listenDecay;
602 u16 fastListenDelay;
603 u16 _reserved2[2];
604 /*---------- Ap/Ibss config items ----------*/
605 u16 beaconPeriod;
606 u16 atimDuration;
607 u16 hopPeriod;
608 u16 channelSet;
609 u16 channel;
610 u16 dtimPeriod;
611 u16 bridgeDistance;
612 u16 radioID;
613 /*---------- Radio configuration ----------*/
614 u16 radioType;
615#define RADIOTYPE_DEFAULT 0
616#define RADIOTYPE_802_11 1
617#define RADIOTYPE_LEGACY 2
618 u8 rxDiversity;
619 u8 txDiversity;
620 u16 txPower;
621#define TXPOWER_DEFAULT 0
622 u16 rssiThreshold;
623#define RSSI_DEFAULT 0
624 u16 modulation;
625#define PREAMBLE_AUTO 0
626#define PREAMBLE_LONG 1
627#define PREAMBLE_SHORT 2
628 u16 preamble;
629 u16 homeProduct;
630 u16 radioSpecific;
631 /*---------- Aironet Extensions ----------*/
632 u8 nodeName[16];
633 u16 arlThreshold;
634 u16 arlDecay;
635 u16 arlDelay;
636 u16 _reserved4[1];
637 /*---------- Aironet Extensions ----------*/
638 u8 magicAction;
639#define MAGIC_ACTION_STSCHG 1
640#define MAGIC_ACTION_RESUME 2
641#define MAGIC_IGNORE_MCAST (1<<8)
642#define MAGIC_IGNORE_BCAST (1<<9)
643#define MAGIC_SWITCH_TO_PSP (0<<10)
644#define MAGIC_STAY_IN_CAM (1<<10)
645 u8 magicControl;
646 u16 autoWake;
647} ConfigRid;
648
649typedef struct {
650 u16 len;
651 u8 mac[ETH_ALEN];
652 u16 mode;
653 u16 errorCode;
654 u16 sigQuality;
655 u16 SSIDlen;
656 char SSID[32];
657 char apName[16];
658 u8 bssid[4][ETH_ALEN];
659 u16 beaconPeriod;
660 u16 dimPeriod;
661 u16 atimDuration;
662 u16 hopPeriod;
663 u16 channelSet;
664 u16 channel;
665 u16 hopsToBackbone;
666 u16 apTotalLoad;
667 u16 generatedLoad;
668 u16 accumulatedArl;
669 u16 signalQuality;
670 u16 currentXmitRate;
671 u16 apDevExtensions;
672 u16 normalizedSignalStrength;
673 u16 shortPreamble;
674 u8 apIP[4];
675 u8 noisePercent; /* Noise percent in last second */
676 u8 noisedBm; /* Noise dBm in last second */
677 u8 noiseAvePercent; /* Noise percent in last minute */
678 u8 noiseAvedBm; /* Noise dBm in last minute */
679 u8 noiseMaxPercent; /* Highest noise percent in last minute */
680 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
681 u16 load;
682 u8 carrier[4];
683 u16 assocStatus;
684#define STAT_NOPACKETS 0
685#define STAT_NOCARRIERSET 10
686#define STAT_GOTCARRIERSET 11
687#define STAT_WRONGSSID 20
688#define STAT_BADCHANNEL 25
689#define STAT_BADBITRATES 30
690#define STAT_BADPRIVACY 35
691#define STAT_APFOUND 40
692#define STAT_APREJECTED 50
693#define STAT_AUTHENTICATING 60
694#define STAT_DEAUTHENTICATED 61
695#define STAT_AUTHTIMEOUT 62
696#define STAT_ASSOCIATING 70
697#define STAT_DEASSOCIATED 71
698#define STAT_ASSOCTIMEOUT 72
699#define STAT_NOTAIROAP 73
700#define STAT_ASSOCIATED 80
701#define STAT_LEAPING 90
702#define STAT_LEAPFAILED 91
703#define STAT_LEAPTIMEDOUT 92
704#define STAT_LEAPCOMPLETE 93
705} StatusRid;
706
707typedef struct {
708 u16 len;
709 u16 spacer;
710 u32 vals[100];
711} StatsRid;
712
713
714typedef struct {
715 u16 len;
716 u8 ap[4][ETH_ALEN];
717} APListRid;
718
719typedef struct {
720 u16 len;
721 char oui[3];
722 char zero;
723 u16 prodNum;
724 char manName[32];
725 char prodName[16];
726 char prodVer[8];
727 char factoryAddr[ETH_ALEN];
728 char aironetAddr[ETH_ALEN];
729 u16 radioType;
730 u16 country;
731 char callid[ETH_ALEN];
732 char supportedRates[8];
733 char rxDiversity;
734 char txDiversity;
735 u16 txPowerLevels[8];
736 u16 hardVer;
737 u16 hardCap;
738 u16 tempRange;
739 u16 softVer;
740 u16 softSubVer;
741 u16 interfaceVer;
742 u16 softCap;
743 u16 bootBlockVer;
744 u16 requiredHard;
745 u16 extSoftCap;
746} CapabilityRid;
747
Dan Williams3c304952006-04-15 12:26:18 -0400748
749/* Only present on firmware >= 5.30.17 */
750typedef struct {
751 u16 unknown[4];
752 u8 fixed[12]; /* WLAN management frame */
753 u8 iep[624];
754} BSSListRidExtra;
755
Linus Torvalds1da177e2005-04-16 15:20:36 -0700756typedef struct {
757 u16 len;
758 u16 index; /* First is 0 and 0xffff means end of list */
759#define RADIO_FH 1 /* Frequency hopping radio type */
760#define RADIO_DS 2 /* Direct sequence radio type */
761#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u16 radioType;
763 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
764 u8 zero;
765 u8 ssidLen;
766 u8 ssid[32];
Dan Williams41480af2005-05-10 09:45:51 -0400767 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700768#define CAP_ESS (1<<0)
769#define CAP_IBSS (1<<1)
770#define CAP_PRIVACY (1<<4)
771#define CAP_SHORTHDR (1<<5)
772 u16 cap;
773 u16 beaconInterval;
774 u8 rates[8]; /* Same as rates for config rid */
775 struct { /* For frequency hopping only */
776 u16 dwell;
777 u8 hopSet;
778 u8 hopPattern;
779 u8 hopIndex;
780 u8 fill;
781 } fh;
782 u16 dsChannel;
783 u16 atimWindow;
Dan Williams3c304952006-04-15 12:26:18 -0400784
785 /* Only present on firmware >= 5.30.17 */
786 BSSListRidExtra extra;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700787} BSSListRid;
788
789typedef struct {
Dan Williams9e75af32006-03-16 13:46:29 -0500790 BSSListRid bss;
791 struct list_head list;
792} BSSListElement;
793
794typedef struct {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795 u8 rssipct;
796 u8 rssidBm;
797} tdsRssiEntry;
798
799typedef struct {
800 u16 len;
801 tdsRssiEntry x[256];
802} tdsRssiRid;
803
804typedef struct {
805 u16 len;
806 u16 state;
807 u16 multicastValid;
808 u8 multicast[16];
809 u16 unicastValid;
810 u8 unicast[16];
811} MICRid;
812
813typedef struct {
814 u16 typelen;
815
816 union {
817 u8 snap[8];
818 struct {
819 u8 dsap;
820 u8 ssap;
821 u8 control;
822 u8 orgcode[3];
823 u8 fieldtype[2];
824 } llc;
825 } u;
826 u32 mic;
827 u32 seq;
828} MICBuffer;
829
830typedef struct {
831 u8 da[ETH_ALEN];
832 u8 sa[ETH_ALEN];
833} etherHead;
834
835#pragma pack()
836
837#define TXCTL_TXOK (1<<1) /* report if tx is ok */
838#define TXCTL_TXEX (1<<2) /* report if tx fails */
839#define TXCTL_802_3 (0<<3) /* 802.3 packet */
840#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
841#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
842#define TXCTL_LLC (1<<4) /* payload is llc */
843#define TXCTL_RELEASE (0<<5) /* release after completion */
844#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845
846#define BUSY_FID 0x10000
847
848#ifdef CISCO_EXT
849#define AIROMAGIC 0xa55a
850/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
851#ifdef SIOCIWFIRSTPRIV
852#ifdef SIOCDEVPRIVATE
853#define AIROOLDIOCTL SIOCDEVPRIVATE
854#define AIROOLDIDIFC AIROOLDIOCTL + 1
855#endif /* SIOCDEVPRIVATE */
856#else /* SIOCIWFIRSTPRIV */
857#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
858#endif /* SIOCIWFIRSTPRIV */
859/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
860 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
861 * only and don't return the modified struct ifreq to the application which
862 * is usually a problem. - Jean II */
863#define AIROIOCTL SIOCIWFIRSTPRIV
864#define AIROIDIFC AIROIOCTL + 1
865
866/* Ioctl constants to be used in airo_ioctl.command */
867
868#define AIROGCAP 0 // Capability rid
869#define AIROGCFG 1 // USED A LOT
870#define AIROGSLIST 2 // System ID list
871#define AIROGVLIST 3 // List of specified AP's
872#define AIROGDRVNAM 4 // NOTUSED
873#define AIROGEHTENC 5 // NOTUSED
874#define AIROGWEPKTMP 6
875#define AIROGWEPKNV 7
876#define AIROGSTAT 8
877#define AIROGSTATSC32 9
878#define AIROGSTATSD32 10
879#define AIROGMICRID 11
880#define AIROGMICSTATS 12
881#define AIROGFLAGS 13
882#define AIROGID 14
883#define AIRORRID 15
884#define AIRORSWVERSION 17
885
886/* Leave gap of 40 commands after AIROGSTATSD32 for future */
887
888#define AIROPCAP AIROGSTATSD32 + 40
889#define AIROPVLIST AIROPCAP + 1
890#define AIROPSLIST AIROPVLIST + 1
891#define AIROPCFG AIROPSLIST + 1
892#define AIROPSIDS AIROPCFG + 1
893#define AIROPAPLIST AIROPSIDS + 1
894#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
895#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
896#define AIROPSTCLR AIROPMACOFF + 1
897#define AIROPWEPKEY AIROPSTCLR + 1
898#define AIROPWEPKEYNV AIROPWEPKEY + 1
899#define AIROPLEAPPWD AIROPWEPKEYNV + 1
900#define AIROPLEAPUSR AIROPLEAPPWD + 1
901
902/* Flash codes */
903
904#define AIROFLSHRST AIROPWEPKEYNV + 40
905#define AIROFLSHGCHR AIROFLSHRST + 1
906#define AIROFLSHSTFL AIROFLSHGCHR + 1
907#define AIROFLSHPCHR AIROFLSHSTFL + 1
908#define AIROFLPUTBUF AIROFLSHPCHR + 1
909#define AIRORESTART AIROFLPUTBUF + 1
910
911#define FLASHSIZE 32768
912#define AUXMEMSIZE (256 * 1024)
913
914typedef struct aironet_ioctl {
915 unsigned short command; // What to do
916 unsigned short len; // Len of data
917 unsigned short ridnum; // rid number
918 unsigned char __user *data; // d-data
919} aironet_ioctl;
920
Domen Puncer62595eb2005-06-20 23:54:37 +0200921static char swversion[] = "2.1";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922#endif /* CISCO_EXT */
923
924#define NUM_MODULES 2
925#define MIC_MSGLEN_MAX 2400
926#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
Dan Williams15db2762006-03-16 13:46:27 -0500927#define AIRO_DEF_MTU 2312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700928
929typedef struct {
930 u32 size; // size
931 u8 enabled; // MIC enabled or not
932 u32 rxSuccess; // successful packets received
933 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
934 u32 rxNotMICed; // pkts dropped due to not being MIC'd
935 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
936 u32 rxWrongSequence; // pkts dropped due to sequence number violation
937 u32 reserve[32];
938} mic_statistics;
939
940typedef struct {
941 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
942 u64 accum; // accumulated mic, reduced to u32 in final()
943 int position; // current position (byte offset) in message
944 union {
945 u8 d8[4];
946 u32 d32;
947 } part; // saves partial message word across update() calls
948} emmh32_context;
949
950typedef struct {
951 emmh32_context seed; // Context - the seed
952 u32 rx; // Received sequence number
953 u32 tx; // Tx sequence number
954 u32 window; // Start of window
955 u8 valid; // Flag to say if context is valid or not
956 u8 key[16];
957} miccntx;
958
959typedef struct {
960 miccntx mCtx; // Multicast context
961 miccntx uCtx; // Unicast context
962} mic_module;
963
964typedef struct {
965 unsigned int rid: 16;
966 unsigned int len: 15;
967 unsigned int valid: 1;
968 dma_addr_t host_addr;
969} Rid;
970
971typedef struct {
972 unsigned int offset: 15;
973 unsigned int eoc: 1;
974 unsigned int len: 15;
975 unsigned int valid: 1;
976 dma_addr_t host_addr;
977} TxFid;
978
979typedef struct {
980 unsigned int ctl: 15;
981 unsigned int rdy: 1;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
985} RxFid;
986
987/*
988 * Host receive descriptor
989 */
990typedef struct {
991 unsigned char __iomem *card_ram_off; /* offset into card memory of the
992 desc */
993 RxFid rx_desc; /* card receive descriptor */
994 char *virtual_host_addr; /* virtual address of host receive
995 buffer */
996 int pending;
997} HostRxDesc;
998
999/*
1000 * Host transmit descriptor
1001 */
1002typedef struct {
1003 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1004 desc */
1005 TxFid tx_desc; /* card transmit descriptor */
1006 char *virtual_host_addr; /* virtual address of host receive
1007 buffer */
1008 int pending;
1009} HostTxDesc;
1010
1011/*
1012 * Host RID descriptor
1013 */
1014typedef struct {
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 descriptor */
1017 Rid rid_desc; /* card RID descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1019 buffer */
1020} HostRidDesc;
1021
1022typedef struct {
1023 u16 sw0;
1024 u16 sw1;
1025 u16 status;
1026 u16 len;
1027#define HOST_SET (1 << 0)
1028#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1029#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1030#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1031#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1032#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1033#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1034#define HOST_RTS (1 << 9) /* Force RTS use */
1035#define HOST_SHORT (1 << 10) /* Do short preamble */
1036 u16 ctl;
1037 u16 aid;
1038 u16 retries;
1039 u16 fill;
1040} TxCtlHdr;
1041
1042typedef struct {
1043 u16 ctl;
1044 u16 duration;
1045 char addr1[6];
1046 char addr2[6];
1047 char addr3[6];
1048 u16 seq;
1049 char addr4[6];
1050} WifiHdr;
1051
1052
1053typedef struct {
1054 TxCtlHdr ctlhdr;
1055 u16 fill1;
1056 u16 fill2;
1057 WifiHdr wifihdr;
1058 u16 gaplen;
1059 u16 status;
1060} WifiCtlHdr;
1061
Jouni Malinenff1d2762005-05-12 22:54:16 -04001062static WifiCtlHdr wifictlhdr8023 = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001063 .ctlhdr = {
1064 .ctl = HOST_DONT_RLSE,
1065 }
1066};
1067
Linus Torvalds1da177e2005-04-16 15:20:36 -07001068// Frequency list (map channels to frequencies)
1069static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1070 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071
1072// A few details needed for WEP (Wireless Equivalent Privacy)
1073#define MAX_KEY_SIZE 13 // 128 (?) bits
1074#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1075typedef struct wep_key_t {
1076 u16 len;
1077 u8 key[16]; /* 40-bit and 104-bit keys */
1078} wep_key_t;
1079
1080/* Backward compatibility */
1081#ifndef IW_ENCODE_NOKEY
1082#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1083#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1084#endif /* IW_ENCODE_NOKEY */
1085
1086/* List of Wireless Handlers (new API) */
1087static const struct iw_handler_def airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001088
1089static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1090
1091struct airo_info;
1092
1093static int get_dec_u16( char *buffer, int *start, int limit );
1094static void OUT4500( struct airo_info *, u16 register, u16 value );
1095static unsigned short IN4500( struct airo_info *, u16 register );
1096static u16 setup_card(struct airo_info*, u8 *mac, int lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02001097static int enable_MAC(struct airo_info *ai, int lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098static void disable_MAC(struct airo_info *ai, int lock);
1099static void enable_interrupts(struct airo_info*);
1100static void disable_interrupts(struct airo_info*);
1101static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1102static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1103static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 int whichbap);
1107static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1108 int whichbap);
1109static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1110static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1111static int PC4500_writerid(struct airo_info*, u16 rid, const void
1112 *pBuf, int len, int lock);
1113static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1114 int len, int dummy );
1115static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1116static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1117static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1118
1119static int mpi_send_packet (struct net_device *dev);
1120static void mpi_unmap_card(struct pci_dev *pci);
1121static void mpi_receive_802_3(struct airo_info *ai);
1122static void mpi_receive_802_11(struct airo_info *ai);
1123static int waitbusy (struct airo_info *ai);
1124
David Howells7d12e782006-10-05 14:55:46 +01001125static irqreturn_t airo_interrupt( int irq, void* dev_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001126static int airo_thread(void *data);
1127static void timer_func( struct net_device *dev );
1128static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001129static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130static void airo_read_wireless_stats (struct airo_info *local);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001131#ifdef CISCO_EXT
1132static int readrids(struct net_device *dev, aironet_ioctl *comp);
1133static int writerids(struct net_device *dev, aironet_ioctl *comp);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001134static int flashcard(struct net_device *dev, aironet_ioctl *comp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001135#endif /* CISCO_EXT */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001136static void micinit(struct airo_info *ai);
1137static int micsetup(struct airo_info *ai);
1138static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1139static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1140
Dan Williams41480af2005-05-10 09:45:51 -04001141static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1142static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1143
Dan Williams9e75af32006-03-16 13:46:29 -05001144static void airo_networks_free(struct airo_info *ai);
1145
Linus Torvalds1da177e2005-04-16 15:20:36 -07001146struct airo_info {
1147 struct net_device_stats stats;
1148 struct net_device *dev;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01001149 struct list_head dev_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001150 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1151 use the high bit to mark whether it is in use. */
1152#define MAX_FIDS 6
1153#define MPI_MAX_FIDS 1
1154 int fids[MAX_FIDS];
1155 ConfigRid config;
1156 char keyindex; // Used with auto wep
1157 char defindex; // Used with auto wep
1158 struct proc_dir_entry *proc_entry;
1159 spinlock_t aux_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001160#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1161#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1162#define FLAG_RADIO_MASK 0x03
1163#define FLAG_ENABLED 2
1164#define FLAG_ADHOC 3 /* Needed by MIC */
1165#define FLAG_MIC_CAPABLE 4
1166#define FLAG_UPDATE_MULTI 5
1167#define FLAG_UPDATE_UNI 6
1168#define FLAG_802_11 7
Dan Williams3c304952006-04-15 12:26:18 -04001169#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001170#define FLAG_PENDING_XMIT 9
1171#define FLAG_PENDING_XMIT11 10
1172#define FLAG_MPI 11
1173#define FLAG_REGISTERED 12
1174#define FLAG_COMMIT 13
1175#define FLAG_RESET 14
1176#define FLAG_FLASHING 15
Dan Williams3c304952006-04-15 12:26:18 -04001177#define FLAG_WPA_CAPABLE 16
1178 unsigned long flags;
1179#define JOB_DIE 0
1180#define JOB_XMIT 1
1181#define JOB_XMIT11 2
1182#define JOB_STATS 3
1183#define JOB_PROMISC 4
1184#define JOB_MIC 5
1185#define JOB_EVENT 6
1186#define JOB_AUTOWEP 7
1187#define JOB_WSTATS 8
1188#define JOB_SCAN_RESULTS 9
1189 unsigned long jobs;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001190 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1191 int whichbap);
1192 unsigned short *flash;
1193 tdsRssiEntry *rssi;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001194 struct task_struct *list_bss_task;
1195 struct task_struct *airo_thread_task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196 struct semaphore sem;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001197 wait_queue_head_t thr_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001198 unsigned long expires;
1199 struct {
1200 struct sk_buff *skb;
1201 int fid;
1202 } xmit, xmit11;
1203 struct net_device *wifidev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204 struct iw_statistics wstats; // wireless stats
Dan Williams9e75af32006-03-16 13:46:29 -05001205 unsigned long scan_timeout; /* Time scan should be read */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206 struct iw_spy_data spy_data;
1207 struct iw_public_data wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208 /* MIC stuff */
Herbert Xuf12cc202006-08-22 20:36:13 +10001209 struct crypto_cipher *tfm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 mic_module mod[2];
1211 mic_statistics micstats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001212 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1213 HostTxDesc txfids[MPI_MAX_FIDS];
1214 HostRidDesc config_desc;
1215 unsigned long ridbus; // phys addr of config_desc
1216 struct sk_buff_head txq;// tx queue used by mpi350 code
1217 struct pci_dev *pci;
1218 unsigned char __iomem *pcimem;
1219 unsigned char __iomem *pciaux;
1220 unsigned char *shared;
1221 dma_addr_t shared_dma;
Pavel Machek1cc68ae2005-06-20 15:33:04 -07001222 pm_message_t power;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001223 SsidRid *SSID;
1224 APListRid *APList;
1225#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1226 char proc_name[IFNAMSIZ];
Dan Williams9e75af32006-03-16 13:46:29 -05001227
Dan Williams3c304952006-04-15 12:26:18 -04001228 /* WPA-related stuff */
1229 unsigned int bssListFirst;
1230 unsigned int bssListNext;
1231 unsigned int bssListRidLen;
1232
Dan Williams9e75af32006-03-16 13:46:29 -05001233 struct list_head network_list;
1234 struct list_head network_free_list;
1235 BSSListElement *networks;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001236};
1237
1238static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1239 int whichbap) {
1240 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241}
1242
1243static int setup_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245static int takedown_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247
Jouni Malinenff1d2762005-05-12 22:54:16 -04001248static int cmdreset(struct airo_info *ai);
1249static int setflashmode (struct airo_info *ai);
1250static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1251static int flashputbuf(struct airo_info *ai);
1252static int flashrestart(struct airo_info *ai,struct net_device *dev);
1253
Dan Williams934d8bf2006-03-16 13:46:23 -05001254#define airo_print(type, name, fmt, args...) \
Michal Schmidt1138c372007-06-29 15:33:41 +02001255 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
Dan Williams934d8bf2006-03-16 13:46:23 -05001256
1257#define airo_print_info(name, fmt, args...) \
1258 airo_print(KERN_INFO, name, fmt, ##args)
1259
1260#define airo_print_dbg(name, fmt, args...) \
1261 airo_print(KERN_DEBUG, name, fmt, ##args)
1262
1263#define airo_print_warn(name, fmt, args...) \
1264 airo_print(KERN_WARNING, name, fmt, ##args)
1265
1266#define airo_print_err(name, fmt, args...) \
1267 airo_print(KERN_ERR, name, fmt, ##args)
1268
1269
Linus Torvalds1da177e2005-04-16 15:20:36 -07001270/***********************************************************************
1271 * MIC ROUTINES *
1272 ***********************************************************************
1273 */
1274
1275static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1276static void MoveWindow(miccntx *context, u32 micSeq);
Herbert Xuf12cc202006-08-22 20:36:13 +10001277static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1278 struct crypto_cipher *tfm);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001279static void emmh32_init(emmh32_context *context);
1280static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1281static void emmh32_final(emmh32_context *context, u8 digest[4]);
1282static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001283
1284/* micinit - Initialize mic seed */
1285
1286static void micinit(struct airo_info *ai)
1287{
1288 MICRid mic_rid;
1289
Dan Williams3c304952006-04-15 12:26:18 -04001290 clear_bit(JOB_MIC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001291 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 up(&ai->sem);
1293
1294 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1295
1296 if (ai->micstats.enabled) {
1297 /* Key must be valid and different */
1298 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1299 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1300 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1301 /* Age current mic Context */
1302 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1303 /* Initialize new context */
1304 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1305 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1306 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1307 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1308 ai->mod[0].mCtx.valid = 1; //Key is now valid
1309
1310 /* Give key to mic seed */
1311 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 }
1313
1314 /* Key must be valid and different */
1315 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1316 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1317 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1318 /* Age current mic Context */
1319 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1320 /* Initialize new context */
1321 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1322
1323 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1324 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1325 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1326 ai->mod[0].uCtx.valid = 1; //Key is now valid
1327
1328 //Give key to mic seed
1329 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 }
1331 } else {
1332 /* So next time we have a valid key and mic is enabled, we will update
1333 * the sequence number if the key is the same as before.
1334 */
1335 ai->mod[0].uCtx.valid = 0;
1336 ai->mod[0].mCtx.valid = 0;
1337 }
1338}
1339
1340/* micsetup - Get ready for business */
1341
1342static int micsetup(struct airo_info *ai) {
1343 int i;
1344
1345 if (ai->tfm == NULL)
Herbert Xuf12cc202006-08-22 20:36:13 +10001346 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001347
Herbert Xuf12cc202006-08-22 20:36:13 +10001348 if (IS_ERR(ai->tfm)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001349 airo_print_err(ai->dev->name, "failed to load transform for AES");
Herbert Xuf12cc202006-08-22 20:36:13 +10001350 ai->tfm = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001351 return ERROR;
1352 }
1353
1354 for (i=0; i < NUM_MODULES; i++) {
1355 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1356 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1357 }
1358 return SUCCESS;
1359}
1360
Jouni Malinenff1d2762005-05-12 22:54:16 -04001361static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
Linus Torvalds1da177e2005-04-16 15:20:36 -07001362
1363/*===========================================================================
1364 * Description: Mic a packet
1365 *
1366 * Inputs: etherHead * pointer to an 802.3 frame
1367 *
1368 * Returns: BOOLEAN if successful, otherwise false.
1369 * PacketTxLen will be updated with the mic'd packets size.
1370 *
1371 * Caveats: It is assumed that the frame buffer will already
1372 * be big enough to hold the largets mic message possible.
1373 * (No memory allocation is done here).
1374 *
1375 * Author: sbraneky (10/15/01)
1376 * Merciless hacks by rwilcher (1/14/02)
1377 */
1378
1379static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1380{
1381 miccntx *context;
1382
1383 // Determine correct context
1384 // If not adhoc, always use unicast key
1385
1386 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1387 context = &ai->mod[0].mCtx;
1388 else
1389 context = &ai->mod[0].uCtx;
1390
1391 if (!context->valid)
1392 return ERROR;
1393
1394 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1395
1396 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397
1398 // Add Tx sequence
1399 mic->seq = htonl(context->tx);
1400 context->tx += 2;
1401
1402 emmh32_init(&context->seed); // Mic the packet
1403 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1404 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1405 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1406 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1407 emmh32_final(&context->seed, (u8*)&mic->mic);
1408
1409 /* New Type/length ?????????? */
1410 mic->typelen = 0; //Let NIC know it could be an oversized packet
1411 return SUCCESS;
1412}
1413
1414typedef enum {
1415 NONE,
1416 NOMIC,
1417 NOMICPLUMMED,
1418 SEQUENCE,
1419 INCORRECTMIC,
1420} mic_error;
1421
1422/*===========================================================================
1423 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1424 * (removes the MIC stuff) if packet is a valid packet.
1425 *
1426 * Inputs: etherHead pointer to the 802.3 packet
1427 *
1428 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1429 *
1430 * Author: sbraneky (10/15/01)
1431 * Merciless hacks by rwilcher (1/14/02)
1432 *---------------------------------------------------------------------------
1433 */
1434
1435static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1436{
1437 int i;
1438 u32 micSEQ;
1439 miccntx *context;
1440 u8 digest[4];
1441 mic_error micError = NONE;
1442
1443 // Check if the packet is a Mic'd packet
1444
1445 if (!ai->micstats.enabled) {
1446 //No Mic set or Mic OFF but we received a MIC'd packet.
1447 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1448 ai->micstats.rxMICPlummed++;
1449 return ERROR;
1450 }
1451 return SUCCESS;
1452 }
1453
1454 if (ntohs(mic->typelen) == 0x888E)
1455 return SUCCESS;
1456
1457 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1458 // Mic enabled but packet isn't Mic'd
1459 ai->micstats.rxMICPlummed++;
1460 return ERROR;
1461 }
1462
1463 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1464
1465 //At this point we a have a mic'd packet and mic is enabled
1466 //Now do the mic error checking.
1467
1468 //Receive seq must be odd
1469 if ( (micSEQ & 1) == 0 ) {
1470 ai->micstats.rxWrongSequence++;
1471 return ERROR;
1472 }
1473
1474 for (i = 0; i < NUM_MODULES; i++) {
1475 int mcast = eth->da[0] & 1;
1476 //Determine proper context
1477 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1478
1479 //Make sure context is valid
1480 if (!context->valid) {
1481 if (i == 0)
1482 micError = NOMICPLUMMED;
1483 continue;
1484 }
1485 //DeMic it
1486
1487 if (!mic->typelen)
1488 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1489
1490 emmh32_init(&context->seed);
1491 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1492 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1493 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1494 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1495 //Calculate MIC
1496 emmh32_final(&context->seed, digest);
1497
1498 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 //Invalid Mic
1500 if (i == 0)
1501 micError = INCORRECTMIC;
1502 continue;
1503 }
1504
1505 //Check Sequence number if mics pass
1506 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1507 ai->micstats.rxSuccess++;
1508 return SUCCESS;
1509 }
1510 if (i == 0)
1511 micError = SEQUENCE;
1512 }
1513
1514 // Update statistics
1515 switch (micError) {
1516 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1517 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1518 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1519 case NONE: break;
1520 case NOMIC: break;
1521 }
1522 return ERROR;
1523}
1524
1525/*===========================================================================
1526 * Description: Checks the Rx Seq number to make sure it is valid
1527 * and hasn't already been received
1528 *
1529 * Inputs: miccntx - mic context to check seq against
1530 * micSeq - the Mic seq number
1531 *
1532 * Returns: TRUE if valid otherwise FALSE.
1533 *
1534 * Author: sbraneky (10/15/01)
1535 * Merciless hacks by rwilcher (1/14/02)
1536 *---------------------------------------------------------------------------
1537 */
1538
1539static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1540{
1541 u32 seq,index;
1542
1543 //Allow for the ap being rebooted - if it is then use the next
1544 //sequence number of the current sequence number - might go backwards
1545
1546 if (mcast) {
1547 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33;
1550 context->rx = 0; // Reset rx
1551 }
1552 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1555 context->rx = 0; // Reset rx
1556 }
1557
1558 //Make sequence number relative to START of window
1559 seq = micSeq - (context->window - 33);
1560
1561 //Too old of a SEQ number to check.
1562 if ((s32)seq < 0)
1563 return ERROR;
1564
1565 if ( seq > 64 ) {
1566 //Window is infinite forward
1567 MoveWindow(context,micSeq);
1568 return SUCCESS;
1569 }
1570
1571 // We are in the window. Now check the context rx bit to see if it was already sent
1572 seq >>= 1; //divide by 2 because we only have odd numbers
1573 index = 1 << seq; //Get an index number
1574
1575 if (!(context->rx & index)) {
1576 //micSEQ falls inside the window.
1577 //Add seqence number to the list of received numbers.
1578 context->rx |= index;
1579
1580 MoveWindow(context,micSeq);
1581
1582 return SUCCESS;
1583 }
1584 return ERROR;
1585}
1586
1587static void MoveWindow(miccntx *context, u32 micSeq)
1588{
1589 u32 shift;
1590
1591 //Move window if seq greater than the middle of the window
1592 if (micSeq > context->window) {
1593 shift = (micSeq - context->window) >> 1;
1594
1595 //Shift out old
1596 if (shift < 32)
1597 context->rx >>= shift;
1598 else
1599 context->rx = 0;
1600
1601 context->window = micSeq; //Move window
1602 }
1603}
1604
1605/*==============================================*/
1606/*========== EMMH ROUTINES ====================*/
1607/*==============================================*/
1608
1609/* mic accumulate */
1610#define MIC_ACCUM(val) \
1611 context->accum += (u64)(val) * context->coeff[coeff_position++];
1612
1613static unsigned char aes_counter[16];
1614
1615/* expand the key to fill the MMH coefficient array */
Herbert Xuf12cc202006-08-22 20:36:13 +10001616static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1617 struct crypto_cipher *tfm)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001618{
1619 /* take the keying material, expand if necessary, truncate at 16-bytes */
1620 /* run through AES counter mode to generate context->coeff[] */
1621
1622 int i,j;
1623 u32 counter;
1624 u8 *cipher, plain[16];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001625
1626 crypto_cipher_setkey(tfm, pkey, 16);
1627 counter = 0;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001628 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001629 aes_counter[15] = (u8)(counter >> 0);
1630 aes_counter[14] = (u8)(counter >> 8);
1631 aes_counter[13] = (u8)(counter >> 16);
1632 aes_counter[12] = (u8)(counter >> 24);
1633 counter++;
1634 memcpy (plain, aes_counter, 16);
Herbert Xuf12cc202006-08-22 20:36:13 +10001635 crypto_cipher_encrypt_one(tfm, plain, plain);
1636 cipher = plain;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001637 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001638 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1639 j += 4;
1640 }
1641 }
1642}
1643
1644/* prepare for calculation of a new mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001645static void emmh32_init(emmh32_context *context)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001646{
1647 /* prepare for new mic calculation */
1648 context->accum = 0;
1649 context->position = 0;
1650}
1651
1652/* add some bytes to the mic calculation */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001653static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001654{
1655 int coeff_position, byte_position;
1656
1657 if (len == 0) return;
1658
1659 coeff_position = context->position >> 2;
1660
1661 /* deal with partial 32-bit word left over from last update */
1662 byte_position = context->position & 3;
1663 if (byte_position) {
1664 /* have a partial word in part to deal with */
1665 do {
1666 if (len == 0) return;
1667 context->part.d8[byte_position++] = *pOctets++;
1668 context->position++;
1669 len--;
1670 } while (byte_position < 4);
1671 MIC_ACCUM(htonl(context->part.d32));
1672 }
1673
1674 /* deal with full 32-bit words */
1675 while (len >= 4) {
1676 MIC_ACCUM(htonl(*(u32 *)pOctets));
1677 context->position += 4;
1678 pOctets += 4;
1679 len -= 4;
1680 }
1681
1682 /* deal with partial 32-bit word that will be left over from this update */
1683 byte_position = 0;
1684 while (len > 0) {
1685 context->part.d8[byte_position++] = *pOctets++;
1686 context->position++;
1687 len--;
1688 }
1689}
1690
1691/* mask used to zero empty bytes for final partial word */
1692static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1693
1694/* calculate the mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001695static void emmh32_final(emmh32_context *context, u8 digest[4])
Linus Torvalds1da177e2005-04-16 15:20:36 -07001696{
1697 int coeff_position, byte_position;
1698 u32 val;
1699
1700 u64 sum, utmp;
1701 s64 stmp;
1702
1703 coeff_position = context->position >> 2;
1704
1705 /* deal with partial 32-bit word left over from last update */
1706 byte_position = context->position & 3;
1707 if (byte_position) {
1708 /* have a partial word in part to deal with */
1709 val = htonl(context->part.d32);
1710 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 }
1712
1713 /* reduce the accumulated u64 to a 32-bit MIC */
1714 sum = context->accum;
1715 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1716 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1717 sum = utmp & 0xffffffffLL;
1718 if (utmp > 0x10000000fLL)
1719 sum -= 15;
1720
1721 val = (u32)sum;
1722 digest[0] = (val>>24) & 0xFF;
1723 digest[1] = (val>>16) & 0xFF;
1724 digest[2] = (val>>8) & 0xFF;
1725 digest[3] = val & 0xFF;
1726}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001727
1728static int readBSSListRid(struct airo_info *ai, int first,
1729 BSSListRid *list) {
1730 int rc;
Dan Williams3c304952006-04-15 12:26:18 -04001731 Cmd cmd;
1732 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001733
1734 if (first == 1) {
Dan Williams3c304952006-04-15 12:26:18 -04001735 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1736 memset(&cmd, 0, sizeof(cmd));
1737 cmd.cmd=CMD_LISTBSS;
1738 if (down_interruptible(&ai->sem))
1739 return -ERESTARTSYS;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001740 ai->list_bss_task = current;
Dan Williams3c304952006-04-15 12:26:18 -04001741 issuecommand(ai, &cmd, &rsp);
1742 up(&ai->sem);
1743 /* Let the command take effect */
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001744 schedule_timeout_uninterruptible(3 * HZ);
1745 ai->list_bss_task = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04001746 }
1747 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1748 list, ai->bssListRidLen, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001749
1750 list->len = le16_to_cpu(list->len);
1751 list->index = le16_to_cpu(list->index);
1752 list->radioType = le16_to_cpu(list->radioType);
1753 list->cap = le16_to_cpu(list->cap);
1754 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1755 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1756 list->dsChannel = le16_to_cpu(list->dsChannel);
1757 list->atimWindow = le16_to_cpu(list->atimWindow);
Dan Williams41480af2005-05-10 09:45:51 -04001758 list->dBm = le16_to_cpu(list->dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001759 return rc;
1760}
1761
1762static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1763 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1765
1766 wkr->len = le16_to_cpu(wkr->len);
1767 wkr->kindex = le16_to_cpu(wkr->kindex);
1768 wkr->klen = le16_to_cpu(wkr->klen);
1769 return rc;
1770}
1771/* In the writeXXXRid routines we copy the rids so that we don't screwup
1772 * the originals when we endian them... */
1773static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1774 int rc;
1775 WepKeyRid wkr = *pwkr;
1776
1777 wkr.len = cpu_to_le16(wkr.len);
1778 wkr.kindex = cpu_to_le16(wkr.kindex);
1779 wkr.klen = cpu_to_le16(wkr.klen);
1780 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
Dan Williams934d8bf2006-03-16 13:46:23 -05001781 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001782 if (perm) {
1783 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1784 if (rc!=SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001785 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001786 }
1787 }
1788 return rc;
1789}
1790
1791static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1792 int i;
1793 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1794
1795 ssidr->len = le16_to_cpu(ssidr->len);
1796 for(i = 0; i < 3; i++) {
1797 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1798 }
1799 return rc;
1800}
1801static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 int rc;
1803 int i;
1804 SsidRid ssidr = *pssidr;
1805
1806 ssidr.len = cpu_to_le16(ssidr.len);
1807 for(i = 0; i < 3; i++) {
1808 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1809 }
1810 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 return rc;
1812}
1813static int readConfigRid(struct airo_info*ai, int lock) {
1814 int rc;
1815 u16 *s;
1816 ConfigRid cfg;
1817
1818 if (ai->config.len)
1819 return SUCCESS;
1820
1821 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1822 if (rc != SUCCESS)
1823 return rc;
1824
1825 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1826
1827 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1828 *s = le16_to_cpu(*s);
1829
1830 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1831 *s = le16_to_cpu(*s);
1832
1833 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1834 *s = cpu_to_le16(*s);
1835
1836 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1837 *s = cpu_to_le16(*s);
1838
1839 ai->config = cfg;
1840 return SUCCESS;
1841}
1842static inline void checkThrottle(struct airo_info *ai) {
1843 int i;
1844/* Old hardware had a limit on encryption speed */
1845 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1846 for(i=0; i<8; i++) {
1847 if (ai->config.rates[i] > maxencrypt) {
1848 ai->config.rates[i] = 0;
1849 }
1850 }
1851 }
1852}
1853static int writeConfigRid(struct airo_info*ai, int lock) {
1854 u16 *s;
1855 ConfigRid cfgr;
1856
1857 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 return SUCCESS;
1859
1860 clear_bit (FLAG_COMMIT, &ai->flags);
1861 clear_bit (FLAG_RESET, &ai->flags);
1862 checkThrottle(ai);
1863 cfgr = ai->config;
1864
1865 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1866 set_bit(FLAG_ADHOC, &ai->flags);
1867 else
1868 clear_bit(FLAG_ADHOC, &ai->flags);
1869
1870 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1871
1872 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1873 *s = cpu_to_le16(*s);
1874
1875 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1876 *s = cpu_to_le16(*s);
1877
1878 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1879 *s = cpu_to_le16(*s);
1880
1881 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1882 *s = cpu_to_le16(*s);
1883
1884 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1885}
1886static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1887 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 u16 *s;
1889
1890 statr->len = le16_to_cpu(statr->len);
1891 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1892
1893 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1894 *s = le16_to_cpu(*s);
1895 statr->load = le16_to_cpu(statr->load);
1896 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 return rc;
1898}
1899static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1900 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1901 aplr->len = le16_to_cpu(aplr->len);
1902 return rc;
1903}
1904static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1905 int rc;
1906 aplr->len = cpu_to_le16(aplr->len);
1907 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 return rc;
1909}
1910static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1911 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 u16 *s;
1913
1914 capr->len = le16_to_cpu(capr->len);
1915 capr->prodNum = le16_to_cpu(capr->prodNum);
1916 capr->radioType = le16_to_cpu(capr->radioType);
1917 capr->country = le16_to_cpu(capr->country);
1918 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1919 *s = le16_to_cpu(*s);
1920 return rc;
1921}
1922static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1923 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 u32 *i;
1925
1926 sr->len = le16_to_cpu(sr->len);
1927 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1928 return rc;
1929}
1930
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001931static void try_auto_wep(struct airo_info *ai)
1932{
1933 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1934 ai->expires = RUN_AT(3*HZ);
1935 wake_up_interruptible(&ai->thr_wait);
1936 }
1937}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001938
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001939static int airo_open(struct net_device *dev) {
1940 struct airo_info *ai = dev->priv;
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001941 int rc = 0;
1942
1943 if (test_bit(FLAG_FLASHING, &ai->flags))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001944 return -EIO;
1945
1946 /* Make sure the card is configured.
1947 * Wireless Extensions may postpone config changes until the card
1948 * is open (to pipeline changes and speed-up card setup). If
1949 * those changes are not yet commited, do it now - Jean II */
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001950 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1951 disable_MAC(ai, 1);
1952 writeConfigRid(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001953 }
1954
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001955 if (ai->wifidev != dev) {
1956 clear_bit(JOB_DIE, &ai->jobs);
1957 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1958 if (IS_ERR(ai->airo_thread_task))
1959 return (int)PTR_ERR(ai->airo_thread_task);
1960
1961 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1962 dev->name, dev);
1963 if (rc) {
1964 airo_print_err(dev->name,
1965 "register interrupt %d failed, rc %d",
1966 dev->irq, rc);
1967 set_bit(JOB_DIE, &ai->jobs);
1968 kthread_stop(ai->airo_thread_task);
1969 return rc;
1970 }
1971
Linus Torvalds1da177e2005-04-16 15:20:36 -07001972 /* Power on the MAC controller (which may have been disabled) */
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001973 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1974 enable_interrupts(ai);
1975
1976 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001977 }
Michal Schmidt175ec1a2007-06-29 15:33:47 +02001978 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001979
1980 netif_start_queue(dev);
1981 return 0;
1982}
1983
1984static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1985 int npacks, pending;
1986 unsigned long flags;
1987 struct airo_info *ai = dev->priv;
1988
1989 if (!skb) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001990 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001991 return 0;
1992 }
1993 npacks = skb_queue_len (&ai->txq);
1994
1995 if (npacks >= MAXTXQ - 1) {
1996 netif_stop_queue (dev);
1997 if (npacks > MAXTXQ) {
1998 ai->stats.tx_fifo_errors++;
1999 return 1;
2000 }
2001 skb_queue_tail (&ai->txq, skb);
2002 return 0;
2003 }
2004
2005 spin_lock_irqsave(&ai->aux_lock, flags);
2006 skb_queue_tail (&ai->txq, skb);
2007 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2008 spin_unlock_irqrestore(&ai->aux_lock,flags);
2009 netif_wake_queue (dev);
2010
2011 if (pending == 0) {
2012 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2013 mpi_send_packet (dev);
2014 }
2015 return 0;
2016}
2017
2018/*
2019 * @mpi_send_packet
2020 *
2021 * Attempt to transmit a packet. Can be called from interrupt
2022 * or transmit . return number of packets we tried to send
2023 */
2024
2025static int mpi_send_packet (struct net_device *dev)
2026{
2027 struct sk_buff *skb;
2028 unsigned char *buffer;
2029 s16 len, *payloadLen;
2030 struct airo_info *ai = dev->priv;
2031 u8 *sendbuf;
2032
2033 /* get a packet to send */
2034
2035 if ((skb = skb_dequeue(&ai->txq)) == 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002036 airo_print_err(dev->name,
2037 "%s: Dequeue'd zero in send_packet()",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002038 __FUNCTION__);
2039 return 0;
2040 }
2041
2042 /* check min length*/
2043 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2044 buffer = skb->data;
2045
2046 ai->txfids[0].tx_desc.offset = 0;
2047 ai->txfids[0].tx_desc.valid = 1;
2048 ai->txfids[0].tx_desc.eoc = 1;
2049 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2050
2051/*
2052 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2053 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2054 * is immediatly after it. ------------------------------------------------
2055 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2056 * ------------------------------------------------
2057 */
2058
2059 memcpy((char *)ai->txfids[0].virtual_host_addr,
2060 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2061
2062 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2063 sizeof(wifictlhdr8023));
2064 sendbuf = ai->txfids[0].virtual_host_addr +
2065 sizeof(wifictlhdr8023) + 2 ;
2066
2067 /*
2068 * Firmware automaticly puts 802 header on so
2069 * we don't need to account for it in the length
2070 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002071 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2072 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2073 MICBuffer pMic;
2074
2075 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2076 return ERROR;
2077
2078 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2079 ai->txfids[0].tx_desc.len += sizeof(pMic);
2080 /* copy data into airo dma buffer */
2081 memcpy (sendbuf, buffer, sizeof(etherHead));
2082 buffer += sizeof(etherHead);
2083 sendbuf += sizeof(etherHead);
2084 memcpy (sendbuf, &pMic, sizeof(pMic));
2085 sendbuf += sizeof(pMic);
2086 memcpy (sendbuf, buffer, len - sizeof(etherHead));
Adrian Bunka39d3e72006-01-21 01:35:15 +01002087 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002088 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2089
2090 dev->trans_start = jiffies;
2091
2092 /* copy data into airo dma buffer */
2093 memcpy(sendbuf, buffer, len);
2094 }
2095
2096 memcpy_toio(ai->txfids[0].card_ram_off,
2097 &ai->txfids[0].tx_desc, sizeof(TxFid));
2098
2099 OUT4500(ai, EVACK, 8);
2100
2101 dev_kfree_skb_any(skb);
2102 return 1;
2103}
2104
Gabriel A. Devenyi29b09fc2005-11-03 19:30:47 -05002105static void get_tx_error(struct airo_info *ai, s32 fid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002106{
2107 u16 status;
2108
2109 if (fid < 0)
2110 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2111 else {
2112 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2113 return;
2114 bap_read(ai, &status, 2, BAP0);
2115 }
2116 if (le16_to_cpu(status) & 2) /* Too many retries */
2117 ai->stats.tx_aborted_errors++;
2118 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2119 ai->stats.tx_heartbeat_errors++;
2120 if (le16_to_cpu(status) & 8) /* Aid fail */
2121 { }
2122 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2123 ai->stats.tx_carrier_errors++;
2124 if (le16_to_cpu(status) & 0x20) /* Association lost */
2125 { }
2126 /* We produce a TXDROP event only for retry or lifetime
2127 * exceeded, because that's the only status that really mean
2128 * that this particular node went away.
2129 * Other errors means that *we* screwed up. - Jean II */
2130 if ((le16_to_cpu(status) & 2) ||
2131 (le16_to_cpu(status) & 4)) {
2132 union iwreq_data wrqu;
2133 char junk[0x18];
2134
2135 /* Faster to skip over useless data than to do
2136 * another bap_setup(). We are at offset 0x6 and
2137 * need to go to 0x18 and read 6 bytes - Jean II */
2138 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2139
2140 /* Copy 802.11 dest address.
2141 * We use the 802.11 header because the frame may
2142 * not be 802.3 or may be mangled...
2143 * In Ad-Hoc mode, it will be the node address.
2144 * In managed mode, it will be most likely the AP addr
2145 * User space will figure out how to convert it to
2146 * whatever it needs (IP address or else).
2147 * - Jean II */
2148 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2149 wrqu.addr.sa_family = ARPHRD_ETHER;
2150
2151 /* Send event to user space */
2152 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2153 }
2154}
2155
2156static void airo_end_xmit(struct net_device *dev) {
2157 u16 status;
2158 int i;
2159 struct airo_info *priv = dev->priv;
2160 struct sk_buff *skb = priv->xmit.skb;
2161 int fid = priv->xmit.fid;
2162 u32 *fids = priv->fids;
2163
Dan Williams3c304952006-04-15 12:26:18 -04002164 clear_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002165 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2166 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2167 up(&priv->sem);
2168
2169 i = 0;
2170 if ( status == SUCCESS ) {
2171 dev->trans_start = jiffies;
2172 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2173 } else {
2174 priv->fids[fid] &= 0xffff;
2175 priv->stats.tx_window_errors++;
2176 }
2177 if (i < MAX_FIDS / 2)
2178 netif_wake_queue(dev);
2179 dev_kfree_skb(skb);
2180}
2181
2182static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2183 s16 len;
2184 int i, j;
2185 struct airo_info *priv = dev->priv;
2186 u32 *fids = priv->fids;
2187
2188 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002189 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002190 return 0;
2191 }
2192
2193 /* Find a vacant FID */
2194 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2196
2197 if ( j >= MAX_FIDS / 2 ) {
2198 netif_stop_queue(dev);
2199
2200 if (i == MAX_FIDS / 2) {
2201 priv->stats.tx_fifo_errors++;
2202 return 1;
2203 }
2204 }
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit.skb = skb;
2210 priv->xmit.fid = i;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2213 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002214 set_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002215 wake_up_interruptible(&priv->thr_wait);
2216 } else
2217 airo_end_xmit(dev);
2218 return 0;
2219}
2220
2221static void airo_end_xmit11(struct net_device *dev) {
2222 u16 status;
2223 int i;
2224 struct airo_info *priv = dev->priv;
2225 struct sk_buff *skb = priv->xmit11.skb;
2226 int fid = priv->xmit11.fid;
2227 u32 *fids = priv->fids;
2228
Dan Williams3c304952006-04-15 12:26:18 -04002229 clear_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002230 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2232 up(&priv->sem);
2233
2234 i = MAX_FIDS / 2;
2235 if ( status == SUCCESS ) {
2236 dev->trans_start = jiffies;
2237 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2238 } else {
2239 priv->fids[fid] &= 0xffff;
2240 priv->stats.tx_window_errors++;
2241 }
2242 if (i < MAX_FIDS)
2243 netif_wake_queue(dev);
2244 dev_kfree_skb(skb);
2245}
2246
2247static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2248 s16 len;
2249 int i, j;
2250 struct airo_info *priv = dev->priv;
2251 u32 *fids = priv->fids;
2252
2253 if (test_bit(FLAG_MPI, &priv->flags)) {
2254 /* Not implemented yet for MPI350 */
2255 netif_stop_queue(dev);
2256 return -ENETDOWN;
2257 }
2258
2259 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002260 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002261 return 0;
2262 }
2263
2264 /* Find a vacant FID */
2265 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2266 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2267
2268 if ( j >= MAX_FIDS ) {
2269 netif_stop_queue(dev);
2270
2271 if (i == MAX_FIDS) {
2272 priv->stats.tx_fifo_errors++;
2273 return 1;
2274 }
2275 }
2276 /* check min length*/
2277 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2278 /* Mark fid as used & save length for later */
2279 fids[i] |= (len << 16);
2280 priv->xmit11.skb = skb;
2281 priv->xmit11.fid = i;
2282 if (down_trylock(&priv->sem) != 0) {
2283 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2284 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002285 set_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002286 wake_up_interruptible(&priv->thr_wait);
2287 } else
2288 airo_end_xmit11(dev);
2289 return 0;
2290}
2291
2292static void airo_read_stats(struct airo_info *ai) {
2293 StatsRid stats_rid;
2294 u32 *vals = stats_rid.vals;
2295
Dan Williams3c304952006-04-15 12:26:18 -04002296 clear_bit(JOB_STATS, &ai->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07002297 if (ai->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002298 up(&ai->sem);
2299 return;
2300 }
2301 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2302 up(&ai->sem);
2303
2304 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2305 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2306 ai->stats.rx_bytes = vals[92];
2307 ai->stats.tx_bytes = vals[91];
2308 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2309 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2310 ai->stats.multicast = vals[43];
2311 ai->stats.collisions = vals[89];
2312
2313 /* detailed rx_errors: */
2314 ai->stats.rx_length_errors = vals[3];
2315 ai->stats.rx_crc_errors = vals[4];
2316 ai->stats.rx_frame_errors = vals[2];
2317 ai->stats.rx_fifo_errors = vals[0];
2318}
2319
Jouni Malinenff1d2762005-05-12 22:54:16 -04002320static struct net_device_stats *airo_get_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002321{
2322 struct airo_info *local = dev->priv;
2323
Dan Williams3c304952006-04-15 12:26:18 -04002324 if (!test_bit(JOB_STATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002325 /* Get stats out of the card if available */
2326 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002327 set_bit(JOB_STATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002328 wake_up_interruptible(&local->thr_wait);
2329 } else
2330 airo_read_stats(local);
2331 }
2332
2333 return &local->stats;
2334}
2335
2336static void airo_set_promisc(struct airo_info *ai) {
2337 Cmd cmd;
2338 Resp rsp;
2339
2340 memset(&cmd, 0, sizeof(cmd));
2341 cmd.cmd=CMD_SETMODE;
Dan Williams3c304952006-04-15 12:26:18 -04002342 clear_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002343 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2344 issuecommand(ai, &cmd, &rsp);
2345 up(&ai->sem);
2346}
2347
2348static void airo_set_multicast_list(struct net_device *dev) {
2349 struct airo_info *ai = dev->priv;
2350
2351 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2352 change_bit(FLAG_PROMISC, &ai->flags);
2353 if (down_trylock(&ai->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002354 set_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002355 wake_up_interruptible(&ai->thr_wait);
2356 } else
2357 airo_set_promisc(ai);
2358 }
2359
2360 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2361 /* Turn on multicast. (Should be already setup...) */
2362 }
2363}
2364
2365static int airo_set_mac_address(struct net_device *dev, void *p)
2366{
2367 struct airo_info *ai = dev->priv;
2368 struct sockaddr *addr = p;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002369
2370 readConfigRid(ai, 1);
2371 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2372 set_bit (FLAG_COMMIT, &ai->flags);
2373 disable_MAC(ai, 1);
2374 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02002375 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002376 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2377 if (ai->wifidev)
2378 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2379 return 0;
2380}
2381
2382static int airo_change_mtu(struct net_device *dev, int new_mtu)
2383{
2384 if ((new_mtu < 68) || (new_mtu > 2400))
2385 return -EINVAL;
2386 dev->mtu = new_mtu;
2387 return 0;
2388}
2389
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002390static LIST_HEAD(airo_devices);
2391
2392static void add_airo_dev(struct airo_info *ai)
2393{
2394 /* Upper layers already keep track of PCI devices,
2395 * so we only need to remember our non-PCI cards. */
2396 if (!ai->pci)
2397 list_add_tail(&ai->dev_list, &airo_devices);
2398}
2399
2400static void del_airo_dev(struct airo_info *ai)
2401{
2402 if (!ai->pci)
2403 list_del(&ai->dev_list);
2404}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002405
2406static int airo_close(struct net_device *dev) {
2407 struct airo_info *ai = dev->priv;
2408
2409 netif_stop_queue(dev);
2410
2411 if (ai->wifidev != dev) {
2412#ifdef POWER_ON_DOWN
2413 /* Shut power to the card. The idea is that the user can save
2414 * power when he doesn't need the card with "ifconfig down".
2415 * That's the method that is most friendly towards the network
2416 * stack (i.e. the network stack won't try to broadcast
2417 * anything on the interface and routes are gone. Jean II */
2418 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2419 disable_MAC(ai, 1);
2420#endif
2421 disable_interrupts( ai );
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002422
2423 free_irq(dev->irq, dev);
2424
2425 set_bit(JOB_DIE, &ai->jobs);
2426 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002427 }
2428 return 0;
2429}
2430
Linus Torvalds1da177e2005-04-16 15:20:36 -07002431void stop_airo_card( struct net_device *dev, int freeres )
2432{
2433 struct airo_info *ai = dev->priv;
2434
2435 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2436 disable_MAC(ai, 1);
2437 disable_interrupts(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002438 takedown_proc_entry( dev, ai );
2439 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2440 unregister_netdev( dev );
2441 if (ai->wifidev) {
2442 unregister_netdev(ai->wifidev);
2443 free_netdev(ai->wifidev);
2444 ai->wifidev = NULL;
2445 }
2446 clear_bit(FLAG_REGISTERED, &ai->flags);
2447 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002448 /*
2449 * Clean out tx queue
2450 */
David S. Millerb03efcf2005-07-08 14:57:23 -07002451 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002452 struct sk_buff *skb = NULL;
2453 for (;(skb = skb_dequeue(&ai->txq));)
2454 dev_kfree_skb(skb);
2455 }
2456
Dan Williams9e75af32006-03-16 13:46:29 -05002457 airo_networks_free (ai);
2458
Jesper Juhlb4558ea2005-10-28 16:53:13 -04002459 kfree(ai->flash);
2460 kfree(ai->rssi);
2461 kfree(ai->APList);
2462 kfree(ai->SSID);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002463 if (freeres) {
2464 /* PCMCIA frees this stuff, so only for PCI and ISA */
2465 release_region( dev->base_addr, 64 );
2466 if (test_bit(FLAG_MPI, &ai->flags)) {
2467 if (ai->pci)
2468 mpi_unmap_card(ai->pci);
2469 if (ai->pcimem)
2470 iounmap(ai->pcimem);
2471 if (ai->pciaux)
2472 iounmap(ai->pciaux);
2473 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2474 ai->shared, ai->shared_dma);
2475 }
2476 }
Herbert Xuf12cc202006-08-22 20:36:13 +10002477 crypto_free_cipher(ai->tfm);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002478 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002479 free_netdev( dev );
2480}
2481
2482EXPORT_SYMBOL(stop_airo_card);
2483
Jouni Malinenff1d2762005-05-12 22:54:16 -04002484static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002485{
Arnaldo Carvalho de Melo98e399f2007-03-19 15:33:04 -07002486 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002487 return ETH_ALEN;
2488}
2489
2490static void mpi_unmap_card(struct pci_dev *pci)
2491{
2492 unsigned long mem_start = pci_resource_start(pci, 1);
2493 unsigned long mem_len = pci_resource_len(pci, 1);
2494 unsigned long aux_start = pci_resource_start(pci, 2);
2495 unsigned long aux_len = AUXMEMSIZE;
2496
2497 release_mem_region(aux_start, aux_len);
2498 release_mem_region(mem_start, mem_len);
2499}
2500
2501/*************************************************************
2502 * This routine assumes that descriptors have been setup .
2503 * Run at insmod time or after reset when the decriptors
2504 * have been initialized . Returns 0 if all is well nz
2505 * otherwise . Does not allocate memory but sets up card
2506 * using previously allocated descriptors.
2507 */
2508static int mpi_init_descriptors (struct airo_info *ai)
2509{
2510 Cmd cmd;
2511 Resp rsp;
2512 int i;
2513 int rc = SUCCESS;
2514
2515 /* Alloc card RX descriptors */
2516 netif_stop_queue(ai->dev);
2517
2518 memset(&rsp,0,sizeof(rsp));
2519 memset(&cmd,0,sizeof(cmd));
2520
2521 cmd.cmd = CMD_ALLOCATEAUX;
2522 cmd.parm0 = FID_RX;
2523 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2524 cmd.parm2 = MPI_MAX_FIDS;
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002527 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002528 return rc;
2529 }
2530
2531 for (i=0; i<MPI_MAX_FIDS; i++) {
2532 memcpy_toio(ai->rxfids[i].card_ram_off,
2533 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2534 }
2535
2536 /* Alloc card TX descriptors */
2537
2538 memset(&rsp,0,sizeof(rsp));
2539 memset(&cmd,0,sizeof(cmd));
2540
2541 cmd.cmd = CMD_ALLOCATEAUX;
2542 cmd.parm0 = FID_TX;
2543 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2544 cmd.parm2 = MPI_MAX_FIDS;
2545
2546 for (i=0; i<MPI_MAX_FIDS; i++) {
2547 ai->txfids[i].tx_desc.valid = 1;
2548 memcpy_toio(ai->txfids[i].card_ram_off,
2549 &ai->txfids[i].tx_desc, sizeof(TxFid));
2550 }
2551 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2552
2553 rc=issuecommand(ai, &cmd, &rsp);
2554 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002555 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002556 return rc;
2557 }
2558
2559 /* Alloc card Rid descriptor */
2560 memset(&rsp,0,sizeof(rsp));
2561 memset(&cmd,0,sizeof(cmd));
2562
2563 cmd.cmd = CMD_ALLOCATEAUX;
2564 cmd.parm0 = RID_RW;
2565 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2566 cmd.parm2 = 1; /* Magic number... */
2567 rc=issuecommand(ai, &cmd, &rsp);
2568 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002569 airo_print_err(ai->dev->name, "Couldn't allocate RID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002570 return rc;
2571 }
2572
2573 memcpy_toio(ai->config_desc.card_ram_off,
2574 &ai->config_desc.rid_desc, sizeof(Rid));
2575
2576 return rc;
2577}
2578
2579/*
2580 * We are setting up three things here:
2581 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2582 * 2) Map PCI memory for issueing commands.
2583 * 3) Allocate memory (shared) to send and receive ethernet frames.
2584 */
Michal Schmidt1138c372007-06-29 15:33:41 +02002585static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002586{
2587 unsigned long mem_start, mem_len, aux_start, aux_len;
2588 int rc = -1;
2589 int i;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002590 dma_addr_t busaddroff;
2591 unsigned char *vpackoff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002592 unsigned char __iomem *pciaddroff;
2593
2594 mem_start = pci_resource_start(pci, 1);
2595 mem_len = pci_resource_len(pci, 1);
2596 aux_start = pci_resource_start(pci, 2);
2597 aux_len = AUXMEMSIZE;
2598
Michal Schmidt1138c372007-06-29 15:33:41 +02002599 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2600 airo_print_err("", "Couldn't get region %x[%x]",
2601 (int)mem_start, (int)mem_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002602 goto out;
2603 }
Michal Schmidt1138c372007-06-29 15:33:41 +02002604 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2605 airo_print_err("", "Couldn't get region %x[%x]",
2606 (int)aux_start, (int)aux_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002607 goto free_region1;
2608 }
2609
2610 ai->pcimem = ioremap(mem_start, mem_len);
2611 if (!ai->pcimem) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002612 airo_print_err("", "Couldn't map region %x[%x]",
2613 (int)mem_start, (int)mem_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002614 goto free_region2;
2615 }
2616 ai->pciaux = ioremap(aux_start, aux_len);
2617 if (!ai->pciaux) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002618 airo_print_err("", "Couldn't map region %x[%x]",
2619 (int)aux_start, (int)aux_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002620 goto free_memmap;
2621 }
2622
2623 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2624 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2625 if (!ai->shared) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002626 airo_print_err("", "Couldn't alloc_consistent %d",
2627 PCI_SHARED_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002628 goto free_auxmap;
2629 }
2630
2631 /*
2632 * Setup descriptor RX, TX, CONFIG
2633 */
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002634 busaddroff = ai->shared_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002635 pciaddroff = ai->pciaux + AUX_OFFSET;
2636 vpackoff = ai->shared;
2637
2638 /* RX descriptor setup */
2639 for(i = 0; i < MPI_MAX_FIDS; i++) {
2640 ai->rxfids[i].pending = 0;
2641 ai->rxfids[i].card_ram_off = pciaddroff;
2642 ai->rxfids[i].virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002643 ai->rxfids[i].rx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002644 ai->rxfids[i].rx_desc.valid = 1;
2645 ai->rxfids[i].rx_desc.len = PKTSIZE;
2646 ai->rxfids[i].rx_desc.rdy = 0;
2647
2648 pciaddroff += sizeof(RxFid);
2649 busaddroff += PKTSIZE;
2650 vpackoff += PKTSIZE;
2651 }
2652
2653 /* TX descriptor setup */
2654 for(i = 0; i < MPI_MAX_FIDS; i++) {
2655 ai->txfids[i].card_ram_off = pciaddroff;
2656 ai->txfids[i].virtual_host_addr = vpackoff;
2657 ai->txfids[i].tx_desc.valid = 1;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002658 ai->txfids[i].tx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002659 memcpy(ai->txfids[i].virtual_host_addr,
2660 &wifictlhdr8023, sizeof(wifictlhdr8023));
2661
2662 pciaddroff += sizeof(TxFid);
2663 busaddroff += PKTSIZE;
2664 vpackoff += PKTSIZE;
2665 }
2666 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2667
2668 /* Rid descriptor setup */
2669 ai->config_desc.card_ram_off = pciaddroff;
2670 ai->config_desc.virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002671 ai->config_desc.rid_desc.host_addr = busaddroff;
2672 ai->ridbus = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002673 ai->config_desc.rid_desc.rid = 0;
2674 ai->config_desc.rid_desc.len = RIDSIZE;
2675 ai->config_desc.rid_desc.valid = 1;
2676 pciaddroff += sizeof(Rid);
2677 busaddroff += RIDSIZE;
2678 vpackoff += RIDSIZE;
2679
2680 /* Tell card about descriptors */
2681 if (mpi_init_descriptors (ai) != SUCCESS)
2682 goto free_shared;
2683
2684 return 0;
2685 free_shared:
2686 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2687 free_auxmap:
2688 iounmap(ai->pciaux);
2689 free_memmap:
2690 iounmap(ai->pcimem);
2691 free_region2:
2692 release_mem_region(aux_start, aux_len);
2693 free_region1:
2694 release_mem_region(mem_start, mem_len);
2695 out:
2696 return rc;
2697}
2698
2699static void wifi_setup(struct net_device *dev)
2700{
2701 dev->hard_header = NULL;
2702 dev->rebuild_header = NULL;
2703 dev->hard_header_cache = NULL;
2704 dev->header_cache_update= NULL;
2705
2706 dev->hard_header_parse = wll_header_parse;
2707 dev->hard_start_xmit = &airo_start_xmit11;
2708 dev->get_stats = &airo_get_stats;
2709 dev->set_mac_address = &airo_set_mac_address;
2710 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002711 dev->wireless_handlers = &airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002712 dev->change_mtu = &airo_change_mtu;
2713 dev->open = &airo_open;
2714 dev->stop = &airo_close;
2715
2716 dev->type = ARPHRD_IEEE80211;
2717 dev->hard_header_len = ETH_HLEN;
Dan Williams15db2762006-03-16 13:46:27 -05002718 dev->mtu = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002719 dev->addr_len = ETH_ALEN;
2720 dev->tx_queue_len = 100;
2721
2722 memset(dev->broadcast,0xFF, ETH_ALEN);
2723
2724 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2725}
2726
2727static struct net_device *init_wifidev(struct airo_info *ai,
2728 struct net_device *ethdev)
2729{
2730 int err;
2731 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2732 if (!dev)
2733 return NULL;
2734 dev->priv = ethdev->priv;
2735 dev->irq = ethdev->irq;
2736 dev->base_addr = ethdev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002737 dev->wireless_data = ethdev->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002738 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2739 err = register_netdev(dev);
2740 if (err<0) {
2741 free_netdev(dev);
2742 return NULL;
2743 }
2744 return dev;
2745}
2746
Jouni Malinenff1d2762005-05-12 22:54:16 -04002747static int reset_card( struct net_device *dev , int lock) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002748 struct airo_info *ai = dev->priv;
2749
2750 if (lock && down_interruptible(&ai->sem))
2751 return -1;
2752 waitbusy (ai);
2753 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2754 msleep(200);
2755 waitbusy (ai);
2756 msleep(200);
2757 if (lock)
2758 up(&ai->sem);
2759 return 0;
2760}
2761
Dan Williams3c304952006-04-15 12:26:18 -04002762#define AIRO_MAX_NETWORK_COUNT 64
Dan Williams9e75af32006-03-16 13:46:29 -05002763static int airo_networks_allocate(struct airo_info *ai)
2764{
2765 if (ai->networks)
2766 return 0;
2767
2768 ai->networks =
Dan Williams3c304952006-04-15 12:26:18 -04002769 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
Dan Williams9e75af32006-03-16 13:46:29 -05002770 GFP_KERNEL);
2771 if (!ai->networks) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002772 airo_print_warn("", "Out of memory allocating beacons");
Dan Williams9e75af32006-03-16 13:46:29 -05002773 return -ENOMEM;
2774 }
2775
2776 return 0;
2777}
2778
2779static void airo_networks_free(struct airo_info *ai)
2780{
Dan Williams9e75af32006-03-16 13:46:29 -05002781 kfree(ai->networks);
2782 ai->networks = NULL;
2783}
2784
2785static void airo_networks_initialize(struct airo_info *ai)
2786{
2787 int i;
2788
2789 INIT_LIST_HEAD(&ai->network_free_list);
2790 INIT_LIST_HEAD(&ai->network_list);
Dan Williams3c304952006-04-15 12:26:18 -04002791 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
Dan Williams9e75af32006-03-16 13:46:29 -05002792 list_add_tail(&ai->networks[i].list,
2793 &ai->network_free_list);
2794}
2795
Dan Williams3c304952006-04-15 12:26:18 -04002796static int airo_test_wpa_capable(struct airo_info *ai)
2797{
2798 int status;
2799 CapabilityRid cap_rid;
Dan Williams3c304952006-04-15 12:26:18 -04002800
2801 status = readCapabilityRid(ai, &cap_rid, 1);
2802 if (status != SUCCESS) return 0;
2803
2804 /* Only firmware versions 5.30.17 or better can do WPA */
2805 if ((cap_rid.softVer > 0x530)
Michal Schmidt0c6157a2006-05-02 23:29:55 +02002806 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002807 airo_print_info("", "WPA is supported.");
Dan Williams3c304952006-04-15 12:26:18 -04002808 return 1;
2809 }
2810
2811 /* No WPA support */
Michal Schmidt1138c372007-06-29 15:33:41 +02002812 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
Dan Williams3c304952006-04-15 12:26:18 -04002813 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2814 return 0;
2815}
2816
Jouni Malinenff1d2762005-05-12 22:54:16 -04002817static struct net_device *_init_airo_card( unsigned short irq, int port,
2818 int is_pcmcia, struct pci_dev *pci,
2819 struct device *dmdev )
Linus Torvalds1da177e2005-04-16 15:20:36 -07002820{
2821 struct net_device *dev;
2822 struct airo_info *ai;
2823 int i, rc;
2824
2825 /* Create the network device object. */
Michal Schmidt1138c372007-06-29 15:33:41 +02002826 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2827 if (!dev) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002828 airo_print_err("", "Couldn't alloc_etherdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002829 return NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002830 }
2831
2832 ai = dev->priv;
2833 ai->wifidev = NULL;
Michal Schmidtfb038c22007-06-29 15:33:52 +02002834 ai->flags = 1 << FLAG_RADIO_DOWN;
Dan Williams3c304952006-04-15 12:26:18 -04002835 ai->jobs = 0;
Dan Williams934d8bf2006-03-16 13:46:23 -05002836 ai->dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002837 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002838 airo_print_dbg("", "Found an MPI350 card");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002839 set_bit(FLAG_MPI, &ai->flags);
2840 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002841 spin_lock_init(&ai->aux_lock);
2842 sema_init(&ai->sem, 1);
2843 ai->config.len = 0;
2844 ai->pci = pci;
2845 init_waitqueue_head (&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002846 ai->tfm = NULL;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002847 add_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002848
Dan Williams9e75af32006-03-16 13:46:29 -05002849 if (airo_networks_allocate (ai))
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002850 goto err_out_free;
Dan Williams9e75af32006-03-16 13:46:29 -05002851 airo_networks_initialize (ai);
2852
Linus Torvalds1da177e2005-04-16 15:20:36 -07002853 /* The Airo-specific entries in the device structure. */
2854 if (test_bit(FLAG_MPI,&ai->flags)) {
2855 skb_queue_head_init (&ai->txq);
2856 dev->hard_start_xmit = &mpi_start_xmit;
2857 } else
2858 dev->hard_start_xmit = &airo_start_xmit;
2859 dev->get_stats = &airo_get_stats;
2860 dev->set_multicast_list = &airo_set_multicast_list;
2861 dev->set_mac_address = &airo_set_mac_address;
2862 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002863 dev->wireless_handlers = &airo_handler_def;
2864 ai->wireless_data.spy_data = &ai->spy_data;
2865 dev->wireless_data = &ai->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002866 dev->change_mtu = &airo_change_mtu;
2867 dev->open = &airo_open;
2868 dev->stop = &airo_close;
2869 dev->irq = irq;
2870 dev->base_addr = port;
2871
2872 SET_NETDEV_DEV(dev, dmdev);
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002873 SET_MODULE_OWNER(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002874
Matthieu CASTET1d97f382005-12-01 02:35:26 -05002875 reset_card (dev, 1);
2876 msleep(400);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002877
Linus Torvalds1da177e2005-04-16 15:20:36 -07002878 if (!is_pcmcia) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002879 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002880 rc = -EBUSY;
Dan Williams934d8bf2006-03-16 13:46:23 -05002881 airo_print_err(dev->name, "Couldn't request region");
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002882 goto err_out_nets;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002883 }
2884 }
2885
2886 if (test_bit(FLAG_MPI,&ai->flags)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002887 if (mpi_map_card(ai, pci)) {
2888 airo_print_err("", "Could not map memory");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002889 goto err_out_res;
2890 }
2891 }
2892
2893 if (probe) {
2894 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002895 airo_print_err(dev->name, "MAC could not be enabled" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002896 rc = -EIO;
2897 goto err_out_map;
2898 }
2899 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2900 ai->bap_read = fast_bap_read;
2901 set_bit(FLAG_FLASHING, &ai->flags);
2902 }
2903
Dan Williams3c304952006-04-15 12:26:18 -04002904 /* Test for WPA support */
2905 if (airo_test_wpa_capable(ai)) {
2906 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2907 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2908 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2909 ai->bssListRidLen = sizeof(BSSListRid);
2910 } else {
2911 ai->bssListFirst = RID_BSSLISTFIRST;
2912 ai->bssListNext = RID_BSSLISTNEXT;
2913 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2914 }
2915
Michal Schmidt1138c372007-06-29 15:33:41 +02002916 strcpy(dev->name, "eth%d");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002917 rc = register_netdev(dev);
2918 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002919 airo_print_err(dev->name, "Couldn't register_netdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002920 goto err_out_map;
2921 }
2922 ai->wifidev = init_wifidev(ai, dev);
Florin Malita431aca52006-10-10 16:46:30 -04002923 if (!ai->wifidev)
2924 goto err_out_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002925
2926 set_bit(FLAG_REGISTERED,&ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05002927 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002928 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2929 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2930
2931 /* Allocate the transmit buffers */
2932 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2933 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002934 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002935
Florin Malita431aca52006-10-10 16:46:30 -04002936 if (setup_proc_entry(dev, dev->priv) < 0)
2937 goto err_out_wifi;
2938
Linus Torvalds1da177e2005-04-16 15:20:36 -07002939 return dev;
2940
Florin Malita431aca52006-10-10 16:46:30 -04002941err_out_wifi:
2942 unregister_netdev(ai->wifidev);
2943 free_netdev(ai->wifidev);
2944err_out_reg:
2945 unregister_netdev(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002946err_out_map:
2947 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2948 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2949 iounmap(ai->pciaux);
2950 iounmap(ai->pcimem);
2951 mpi_unmap_card(ai->pci);
2952 }
2953err_out_res:
2954 if (!is_pcmcia)
2955 release_region( dev->base_addr, 64 );
Michal Schmidt4d881902007-03-16 12:42:59 +01002956err_out_nets:
2957 airo_networks_free(ai);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002958 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002959err_out_free:
2960 free_netdev(dev);
2961 return NULL;
2962}
2963
2964struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2965 struct device *dmdev)
2966{
2967 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2968}
2969
2970EXPORT_SYMBOL(init_airo_card);
2971
2972static int waitbusy (struct airo_info *ai) {
2973 int delay = 0;
2974 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2975 udelay (10);
2976 if ((++delay % 20) == 0)
2977 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2978 }
2979 return delay < 10000;
2980}
2981
2982int reset_airo_card( struct net_device *dev )
2983{
2984 int i;
2985 struct airo_info *ai = dev->priv;
2986
2987 if (reset_card (dev, 1))
2988 return -1;
2989
2990 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002991 airo_print_err(dev->name, "MAC could not be enabled");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002992 return -1;
2993 }
Dan Williams934d8bf2006-03-16 13:46:23 -05002994 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002995 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2996 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2997 /* Allocate the transmit buffers if needed */
2998 if (!test_bit(FLAG_MPI,&ai->flags))
2999 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05003000 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003001
3002 enable_interrupts( ai );
3003 netif_wake_queue(dev);
3004 return 0;
3005}
3006
3007EXPORT_SYMBOL(reset_airo_card);
3008
3009static void airo_send_event(struct net_device *dev) {
3010 struct airo_info *ai = dev->priv;
3011 union iwreq_data wrqu;
3012 StatusRid status_rid;
3013
Dan Williams3c304952006-04-15 12:26:18 -04003014 clear_bit(JOB_EVENT, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003015 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3016 up(&ai->sem);
3017 wrqu.data.length = 0;
3018 wrqu.data.flags = 0;
3019 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3020 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3021
3022 /* Send event to user space */
3023 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3024}
3025
Dan Williams9e75af32006-03-16 13:46:29 -05003026static void airo_process_scan_results (struct airo_info *ai) {
3027 union iwreq_data wrqu;
Dan Williams3c304952006-04-15 12:26:18 -04003028 BSSListRid bss;
Dan Williams9e75af32006-03-16 13:46:29 -05003029 int rc;
3030 BSSListElement * loop_net;
3031 BSSListElement * tmp_net;
3032
3033 /* Blow away current list of scan results */
3034 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3035 list_move_tail (&loop_net->list, &ai->network_free_list);
3036 /* Don't blow away ->list, just BSS data */
3037 memset (loop_net, 0, sizeof (loop_net->bss));
3038 }
3039
3040 /* Try to read the first entry of the scan result */
Dan Williams3c304952006-04-15 12:26:18 -04003041 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3042 if((rc) || (bss.index == 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003043 /* No scan results */
3044 goto out;
3045 }
3046
3047 /* Read and parse all entries */
3048 tmp_net = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04003049 while((!rc) && (bss.index != 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003050 /* Grab a network off the free list */
3051 if (!list_empty(&ai->network_free_list)) {
3052 tmp_net = list_entry(ai->network_free_list.next,
3053 BSSListElement, list);
3054 list_del(ai->network_free_list.next);
3055 }
3056
3057 if (tmp_net != NULL) {
Dan Williams3c304952006-04-15 12:26:18 -04003058 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
Dan Williams9e75af32006-03-16 13:46:29 -05003059 list_add_tail(&tmp_net->list, &ai->network_list);
3060 tmp_net = NULL;
3061 }
3062
3063 /* Read next entry */
Dan Williams3c304952006-04-15 12:26:18 -04003064 rc = PC4500_readrid(ai, ai->bssListNext,
3065 &bss, ai->bssListRidLen, 0);
Dan Williams9e75af32006-03-16 13:46:29 -05003066 }
3067
3068out:
3069 ai->scan_timeout = 0;
Dan Williams3c304952006-04-15 12:26:18 -04003070 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003071 up(&ai->sem);
3072
3073 /* Send an empty event to user space.
3074 * We don't send the received data on
3075 * the event because it would require
3076 * us to do complex transcoding, and
3077 * we want to minimise the work done in
3078 * the irq handler. Use a request to
3079 * extract the data - Jean II */
3080 wrqu.data.length = 0;
3081 wrqu.data.flags = 0;
3082 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3083}
3084
Linus Torvalds1da177e2005-04-16 15:20:36 -07003085static int airo_thread(void *data) {
3086 struct net_device *dev = data;
3087 struct airo_info *ai = dev->priv;
3088 int locked;
Rafael J. Wysocki83144182007-07-17 04:03:35 -07003089
3090 set_freezable();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003091 while(1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003092 /* make swsusp happy with our thread */
Christoph Lameter3e1d1d22005-06-24 23:13:50 -07003093 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003094
Dan Williams3c304952006-04-15 12:26:18 -04003095 if (test_bit(JOB_DIE, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003096 break;
3097
Dan Williams3c304952006-04-15 12:26:18 -04003098 if (ai->jobs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003099 locked = down_interruptible(&ai->sem);
3100 } else {
3101 wait_queue_t wait;
3102
3103 init_waitqueue_entry(&wait, current);
3104 add_wait_queue(&ai->thr_wait, &wait);
3105 for (;;) {
3106 set_current_state(TASK_INTERRUPTIBLE);
Dan Williams3c304952006-04-15 12:26:18 -04003107 if (ai->jobs)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003108 break;
Dan Williams9e75af32006-03-16 13:46:29 -05003109 if (ai->expires || ai->scan_timeout) {
3110 if (ai->scan_timeout &&
3111 time_after_eq(jiffies,ai->scan_timeout)){
Dan Williams3c304952006-04-15 12:26:18 -04003112 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003113 break;
3114 } else if (ai->expires &&
3115 time_after_eq(jiffies,ai->expires)){
Dan Williams3c304952006-04-15 12:26:18 -04003116 set_bit(JOB_AUTOWEP, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003117 break;
3118 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003119 if (!kthread_should_stop() &&
3120 !freezing(current)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003121 unsigned long wake_at;
3122 if (!ai->expires || !ai->scan_timeout) {
3123 wake_at = max(ai->expires,
3124 ai->scan_timeout);
3125 } else {
3126 wake_at = min(ai->expires,
3127 ai->scan_timeout);
3128 }
3129 schedule_timeout(wake_at - jiffies);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003130 continue;
3131 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003132 } else if (!kthread_should_stop() &&
3133 !freezing(current)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003134 schedule();
3135 continue;
3136 }
3137 break;
3138 }
3139 current->state = TASK_RUNNING;
3140 remove_wait_queue(&ai->thr_wait, &wait);
3141 locked = 1;
3142 }
3143
3144 if (locked)
3145 continue;
3146
Dan Williams3c304952006-04-15 12:26:18 -04003147 if (test_bit(JOB_DIE, &ai->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003148 up(&ai->sem);
3149 break;
3150 }
3151
Pavel Machekca078ba2005-09-03 15:56:57 -07003152 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003153 up(&ai->sem);
3154 continue;
3155 }
3156
Dan Williams3c304952006-04-15 12:26:18 -04003157 if (test_bit(JOB_XMIT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003158 airo_end_xmit(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003159 else if (test_bit(JOB_XMIT11, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003160 airo_end_xmit11(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003161 else if (test_bit(JOB_STATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003162 airo_read_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003163 else if (test_bit(JOB_WSTATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003164 airo_read_wireless_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003165 else if (test_bit(JOB_PROMISC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003166 airo_set_promisc(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003167 else if (test_bit(JOB_MIC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003168 micinit(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003169 else if (test_bit(JOB_EVENT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003170 airo_send_event(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003171 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003172 timer_func(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003173 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
Dan Williams9e75af32006-03-16 13:46:29 -05003174 airo_process_scan_results(ai);
3175 else /* Shouldn't get here, but we make sure to unlock */
3176 up(&ai->sem);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003177 }
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003178
3179 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003180}
3181
David Howells7d12e782006-10-05 14:55:46 +01003182static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003183 struct net_device *dev = (struct net_device *)dev_id;
3184 u16 status;
3185 u16 fid;
3186 struct airo_info *apriv = dev->priv;
3187 u16 savedInterrupts = 0;
3188 int handled = 0;
3189
3190 if (!netif_device_present(dev))
3191 return IRQ_NONE;
3192
3193 for (;;) {
3194 status = IN4500( apriv, EVSTAT );
3195 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3196
3197 handled = 1;
3198
3199 if ( status & EV_AWAKE ) {
3200 OUT4500( apriv, EVACK, EV_AWAKE );
3201 OUT4500( apriv, EVACK, EV_AWAKE );
3202 }
3203
3204 if (!savedInterrupts) {
3205 savedInterrupts = IN4500( apriv, EVINTEN );
3206 OUT4500( apriv, EVINTEN, 0 );
3207 }
3208
3209 if ( status & EV_MIC ) {
3210 OUT4500( apriv, EVACK, EV_MIC );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003211 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
Dan Williams3c304952006-04-15 12:26:18 -04003212 set_bit(JOB_MIC, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003213 wake_up_interruptible(&apriv->thr_wait);
3214 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003215 }
3216 if ( status & EV_LINK ) {
3217 union iwreq_data wrqu;
Dan Williams6fcdf562006-03-31 15:08:46 -05003218 int scan_forceloss = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003219 /* The link status has changed, if you want to put a
3220 monitor hook in, do it here. (Remember that
3221 interrupts are still disabled!)
3222 */
3223 u16 newStatus = IN4500(apriv, LINKSTAT);
3224 OUT4500( apriv, EVACK, EV_LINK);
3225 /* Here is what newStatus means: */
3226#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3227#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3228#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3229#define FORCELOSS 0x8003 /* Loss of sync - host request */
3230#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3231#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3232#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3233#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3234 code) */
3235#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3236 code) */
Dan Williams6fcdf562006-03-31 15:08:46 -05003237#define ASSOCIATED 0x0400 /* Associated */
3238#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003239#define RC_RESERVED 0 /* Reserved return code */
3240#define RC_NOREASON 1 /* Unspecified reason */
3241#define RC_AUTHINV 2 /* Previous authentication invalid */
3242#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3243 leaving */
3244#define RC_NOACT 4 /* Disassociated due to inactivity */
3245#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3246 all currently associated stations */
3247#define RC_BADCLASS2 6 /* Class 2 frame received from
3248 non-Authenticated station */
3249#define RC_BADCLASS3 7 /* Class 3 frame received from
3250 non-Associated station */
3251#define RC_STATLEAVE 8 /* Disassociated because sending station is
3252 leaving BSS */
3253#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3254 Authenticated with the responding station */
Dan Williams6fcdf562006-03-31 15:08:46 -05003255 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3256 scan_forceloss = 1;
3257 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003258 if (auto_wep)
3259 apriv->expires = 0;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003260 if (apriv->list_bss_task)
3261 wake_up_process(apriv->list_bss_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003262 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3263 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
Dan Williams6fcdf562006-03-31 15:08:46 -05003264
Linus Torvalds1da177e2005-04-16 15:20:36 -07003265 if (down_trylock(&apriv->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04003266 set_bit(JOB_EVENT, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003267 wake_up_interruptible(&apriv->thr_wait);
3268 } else
3269 airo_send_event(dev);
Dan Williams6fcdf562006-03-31 15:08:46 -05003270 } else if (!scan_forceloss) {
3271 if (auto_wep && !apriv->expires) {
3272 apriv->expires = RUN_AT(3*HZ);
3273 wake_up_interruptible(&apriv->thr_wait);
3274 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003275
3276 /* Send event to user space */
Dan Williams6fcdf562006-03-31 15:08:46 -05003277 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3278 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003279 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3280 }
3281 }
3282
3283 /* Check to see if there is something to receive */
3284 if ( status & EV_RX ) {
3285 struct sk_buff *skb = NULL;
3286 u16 fc, len, hdrlen = 0;
3287#pragma pack(1)
3288 struct {
3289 u16 status, len;
3290 u8 rssi[2];
3291 u8 rate;
3292 u8 freq;
3293 u16 tmp[4];
3294 } hdr;
3295#pragma pack()
3296 u16 gap;
3297 u16 tmpbuf[4];
3298 u16 *buffer;
3299
3300 if (test_bit(FLAG_MPI,&apriv->flags)) {
3301 if (test_bit(FLAG_802_11, &apriv->flags))
3302 mpi_receive_802_11(apriv);
3303 else
3304 mpi_receive_802_3(apriv);
3305 OUT4500(apriv, EVACK, EV_RX);
3306 goto exitrx;
3307 }
3308
3309 fid = IN4500( apriv, RXFID );
3310
3311 /* Get the packet length */
3312 if (test_bit(FLAG_802_11, &apriv->flags)) {
3313 bap_setup (apriv, fid, 4, BAP0);
3314 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3315 /* Bad CRC. Ignore packet */
3316 if (le16_to_cpu(hdr.status) & 2)
3317 hdr.len = 0;
3318 if (apriv->wifidev == NULL)
3319 hdr.len = 0;
3320 } else {
3321 bap_setup (apriv, fid, 0x36, BAP0);
3322 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3323 }
3324 len = le16_to_cpu(hdr.len);
3325
Dan Williams15db2762006-03-16 13:46:27 -05003326 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003327 airo_print_err(apriv->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003328 goto badrx;
3329 }
3330 if (len == 0)
3331 goto badrx;
3332
3333 if (test_bit(FLAG_802_11, &apriv->flags)) {
3334 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3335 fc = le16_to_cpu(fc);
3336 switch (fc & 0xc) {
3337 case 4:
3338 if ((fc & 0xe0) == 0xc0)
3339 hdrlen = 10;
3340 else
3341 hdrlen = 16;
3342 break;
3343 case 8:
3344 if ((fc&0x300)==0x300){
3345 hdrlen = 30;
3346 break;
3347 }
3348 default:
3349 hdrlen = 24;
3350 }
3351 } else
3352 hdrlen = ETH_ALEN * 2;
3353
3354 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3355 if ( !skb ) {
3356 apriv->stats.rx_dropped++;
3357 goto badrx;
3358 }
3359 skb_reserve(skb, 2); /* This way the IP header is aligned */
3360 buffer = (u16*)skb_put (skb, len + hdrlen);
3361 if (test_bit(FLAG_802_11, &apriv->flags)) {
3362 buffer[0] = fc;
3363 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3364 if (hdrlen == 24)
3365 bap_read (apriv, tmpbuf, 6, BAP0);
3366
3367 bap_read (apriv, &gap, sizeof(gap), BAP0);
3368 gap = le16_to_cpu(gap);
3369 if (gap) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003370 if (gap <= 8) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003371 bap_read (apriv, tmpbuf, gap, BAP0);
Dan Williams934d8bf2006-03-16 13:46:23 -05003372 } else {
3373 airo_print_err(apriv->dev->name, "gaplen too "
3374 "big. Problems will follow...");
3375 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003376 }
3377 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3378 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003379 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003380 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003381 if (apriv->micstats.enabled) {
3382 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3383 if (ntohs(micbuf.typelen) > 0x05DC)
3384 bap_setup (apriv, fid, 0x44, BAP0);
3385 else {
3386 if (len <= sizeof(micbuf))
3387 goto badmic;
3388
3389 len -= sizeof(micbuf);
3390 skb_trim (skb, len + hdrlen);
3391 }
3392 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003393 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003394 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3395badmic:
3396 dev_kfree_skb_irq (skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003397badrx:
3398 OUT4500( apriv, EVACK, EV_RX);
3399 goto exitrx;
3400 }
3401 }
3402#ifdef WIRELESS_SPY
3403 if (apriv->spy_data.spy_number > 0) {
3404 char *sa;
3405 struct iw_quality wstats;
3406 /* Prepare spy data : addr + qual */
3407 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3408 sa = (char*)buffer + 6;
3409 bap_setup (apriv, fid, 8, BAP0);
3410 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3411 } else
3412 sa = (char*)buffer + 10;
3413 wstats.qual = hdr.rssi[0];
3414 if (apriv->rssi)
3415 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3416 else
3417 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003418 wstats.noise = apriv->wstats.qual.noise;
3419 wstats.updated = IW_QUAL_LEVEL_UPDATED
3420 | IW_QUAL_QUAL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003421 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003422 /* Update spy records */
3423 wireless_spy_update(dev, sa, &wstats);
3424 }
3425#endif /* WIRELESS_SPY */
3426 OUT4500( apriv, EVACK, EV_RX);
3427
3428 if (test_bit(FLAG_802_11, &apriv->flags)) {
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003429 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003430 skb->pkt_type = PACKET_OTHERHOST;
3431 skb->dev = apriv->wifidev;
3432 skb->protocol = htons(ETH_P_802_2);
Arnaldo Carvalho de Melo4c13eb62007-04-25 17:40:23 -07003433 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07003434 skb->protocol = eth_type_trans(skb,dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003435 skb->dev->last_rx = jiffies;
3436 skb->ip_summed = CHECKSUM_NONE;
3437
3438 netif_rx( skb );
3439 }
3440exitrx:
3441
3442 /* Check to see if a packet has been transmitted */
3443 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3444 int i;
3445 int len = 0;
3446 int index = -1;
3447
3448 if (test_bit(FLAG_MPI,&apriv->flags)) {
3449 unsigned long flags;
3450
3451 if (status & EV_TXEXC)
3452 get_tx_error(apriv, -1);
3453 spin_lock_irqsave(&apriv->aux_lock, flags);
David S. Millerb03efcf2005-07-08 14:57:23 -07003454 if (!skb_queue_empty(&apriv->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003455 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3456 mpi_send_packet (dev);
3457 } else {
3458 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3459 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3460 netif_wake_queue (dev);
3461 }
3462 OUT4500( apriv, EVACK,
3463 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3464 goto exittx;
3465 }
3466
3467 fid = IN4500(apriv, TXCOMPLFID);
3468
3469 for( i = 0; i < MAX_FIDS; i++ ) {
3470 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3471 len = apriv->fids[i] >> 16;
3472 index = i;
3473 }
3474 }
3475 if (index != -1) {
3476 if (status & EV_TXEXC)
3477 get_tx_error(apriv, index);
3478 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3479 /* Set up to be used again */
3480 apriv->fids[index] &= 0xffff;
3481 if (index < MAX_FIDS / 2) {
3482 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3483 netif_wake_queue(dev);
3484 } else {
3485 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3486 netif_wake_queue(apriv->wifidev);
3487 }
3488 } else {
3489 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
Dan Williams934d8bf2006-03-16 13:46:23 -05003490 airo_print_err(apriv->dev->name, "Unallocated FID was "
3491 "used to xmit" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003492 }
3493 }
3494exittx:
3495 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
Dan Williams934d8bf2006-03-16 13:46:23 -05003496 airo_print_warn(apriv->dev->name, "Got weird status %x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003497 status & ~STATUS_INTS & ~IGNORE_INTS );
3498 }
3499
3500 if (savedInterrupts)
3501 OUT4500( apriv, EVINTEN, savedInterrupts );
3502
3503 /* done.. */
3504 return IRQ_RETVAL(handled);
3505}
3506
3507/*
3508 * Routines to talk to the card
3509 */
3510
3511/*
3512 * This was originally written for the 4500, hence the name
3513 * NOTE: If use with 8bit mode and SMP bad things will happen!
3514 * Why would some one do 8 bit IO in an SMP machine?!?
3515 */
3516static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3517 if (test_bit(FLAG_MPI,&ai->flags))
3518 reg <<= 1;
3519 if ( !do8bitIO )
3520 outw( val, ai->dev->base_addr + reg );
3521 else {
3522 outb( val & 0xff, ai->dev->base_addr + reg );
3523 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3524 }
3525}
3526
3527static u16 IN4500( struct airo_info *ai, u16 reg ) {
3528 unsigned short rc;
3529
3530 if (test_bit(FLAG_MPI,&ai->flags))
3531 reg <<= 1;
3532 if ( !do8bitIO )
3533 rc = inw( ai->dev->base_addr + reg );
3534 else {
3535 rc = inb( ai->dev->base_addr + reg );
3536 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3537 }
3538 return rc;
3539}
3540
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003541static int enable_MAC(struct airo_info *ai, int lock)
3542{
Linus Torvalds1da177e2005-04-16 15:20:36 -07003543 int rc;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003544 Cmd cmd;
3545 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003546
3547 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3548 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3549 * Note : we could try to use !netif_running(dev) in enable_MAC()
3550 * instead of this flag, but I don't trust it *within* the
3551 * open/close functions, and testing both flags together is
3552 * "cheaper" - Jean II */
3553 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3554
3555 if (lock && down_interruptible(&ai->sem))
3556 return -ERESTARTSYS;
3557
3558 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3559 memset(&cmd, 0, sizeof(cmd));
3560 cmd.cmd = MAC_ENABLE;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003561 rc = issuecommand(ai, &cmd, &rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003562 if (rc == SUCCESS)
3563 set_bit(FLAG_ENABLED, &ai->flags);
3564 } else
3565 rc = SUCCESS;
3566
3567 if (lock)
3568 up(&ai->sem);
3569
3570 if (rc)
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003571 airo_print_err(ai->dev->name, "Cannot enable MAC");
3572 else if ((rsp.status & 0xFF00) != 0) {
3573 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3574 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3575 rc = ERROR;
3576 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003577 return rc;
3578}
3579
3580static void disable_MAC( struct airo_info *ai, int lock ) {
3581 Cmd cmd;
3582 Resp rsp;
3583
3584 if (lock && down_interruptible(&ai->sem))
3585 return;
3586
3587 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3588 memset(&cmd, 0, sizeof(cmd));
3589 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3590 issuecommand(ai, &cmd, &rsp);
3591 clear_bit(FLAG_ENABLED, &ai->flags);
3592 }
3593 if (lock)
3594 up(&ai->sem);
3595}
3596
3597static void enable_interrupts( struct airo_info *ai ) {
3598 /* Enable the interrupts */
3599 OUT4500( ai, EVINTEN, STATUS_INTS );
3600}
3601
3602static void disable_interrupts( struct airo_info *ai ) {
3603 OUT4500( ai, EVINTEN, 0 );
3604}
3605
3606static void mpi_receive_802_3(struct airo_info *ai)
3607{
3608 RxFid rxd;
3609 int len = 0;
3610 struct sk_buff *skb;
3611 char *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003612 int off = 0;
3613 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003614
3615 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3616 /* Make sure we got something */
3617 if (rxd.rdy && rxd.valid == 0) {
3618 len = rxd.len + 12;
3619 if (len < 12 || len > 2048)
3620 goto badrx;
3621
3622 skb = dev_alloc_skb(len);
3623 if (!skb) {
3624 ai->stats.rx_dropped++;
3625 goto badrx;
3626 }
3627 buffer = skb_put(skb,len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003628 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3629 if (ai->micstats.enabled) {
3630 memcpy(&micbuf,
3631 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3632 sizeof(micbuf));
3633 if (ntohs(micbuf.typelen) <= 0x05DC) {
3634 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3635 goto badmic;
3636
3637 off = sizeof(micbuf);
3638 skb_trim (skb, len - off);
3639 }
3640 }
3641 memcpy(buffer + ETH_ALEN * 2,
3642 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3643 len - ETH_ALEN * 2 - off);
3644 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3645badmic:
3646 dev_kfree_skb_irq (skb);
3647 goto badrx;
3648 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003649#ifdef WIRELESS_SPY
3650 if (ai->spy_data.spy_number > 0) {
3651 char *sa;
3652 struct iw_quality wstats;
3653 /* Prepare spy data : addr + qual */
3654 sa = buffer + ETH_ALEN;
3655 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3656 wstats.level = 0;
3657 wstats.updated = 0;
3658 /* Update spy records */
3659 wireless_spy_update(ai->dev, sa, &wstats);
3660 }
3661#endif /* WIRELESS_SPY */
3662
Linus Torvalds1da177e2005-04-16 15:20:36 -07003663 skb->ip_summed = CHECKSUM_NONE;
3664 skb->protocol = eth_type_trans(skb, ai->dev);
3665 skb->dev->last_rx = jiffies;
3666 netif_rx(skb);
3667 }
3668badrx:
3669 if (rxd.valid == 0) {
3670 rxd.valid = 1;
3671 rxd.rdy = 0;
3672 rxd.len = PKTSIZE;
3673 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3674 }
3675}
3676
3677void mpi_receive_802_11 (struct airo_info *ai)
3678{
3679 RxFid rxd;
3680 struct sk_buff *skb = NULL;
3681 u16 fc, len, hdrlen = 0;
3682#pragma pack(1)
3683 struct {
3684 u16 status, len;
3685 u8 rssi[2];
3686 u8 rate;
3687 u8 freq;
3688 u16 tmp[4];
3689 } hdr;
3690#pragma pack()
3691 u16 gap;
3692 u16 *buffer;
3693 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3694
3695 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3696 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3697 ptr += sizeof(hdr);
3698 /* Bad CRC. Ignore packet */
3699 if (le16_to_cpu(hdr.status) & 2)
3700 hdr.len = 0;
3701 if (ai->wifidev == NULL)
3702 hdr.len = 0;
3703 len = le16_to_cpu(hdr.len);
Dan Williams15db2762006-03-16 13:46:27 -05003704 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003705 airo_print_err(ai->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003706 goto badrx;
3707 }
3708 if (len == 0)
3709 goto badrx;
3710
3711 memcpy ((char *)&fc, ptr, sizeof(fc));
3712 fc = le16_to_cpu(fc);
3713 switch (fc & 0xc) {
3714 case 4:
3715 if ((fc & 0xe0) == 0xc0)
3716 hdrlen = 10;
3717 else
3718 hdrlen = 16;
3719 break;
3720 case 8:
3721 if ((fc&0x300)==0x300){
3722 hdrlen = 30;
3723 break;
3724 }
3725 default:
3726 hdrlen = 24;
3727 }
3728
3729 skb = dev_alloc_skb( len + hdrlen + 2 );
3730 if ( !skb ) {
3731 ai->stats.rx_dropped++;
3732 goto badrx;
3733 }
3734 buffer = (u16*)skb_put (skb, len + hdrlen);
3735 memcpy ((char *)buffer, ptr, hdrlen);
3736 ptr += hdrlen;
3737 if (hdrlen == 24)
3738 ptr += 6;
3739 memcpy ((char *)&gap, ptr, sizeof(gap));
3740 ptr += sizeof(gap);
3741 gap = le16_to_cpu(gap);
3742 if (gap) {
3743 if (gap <= 8)
3744 ptr += gap;
3745 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003746 airo_print_err(ai->dev->name,
3747 "gaplen too big. Problems will follow...");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003748 }
3749 memcpy ((char *)buffer + hdrlen, ptr, len);
3750 ptr += len;
3751#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3752 if (ai->spy_data.spy_number > 0) {
3753 char *sa;
3754 struct iw_quality wstats;
3755 /* Prepare spy data : addr + qual */
3756 sa = (char*)buffer + 10;
3757 wstats.qual = hdr.rssi[0];
3758 if (ai->rssi)
3759 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3760 else
3761 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003762 wstats.noise = ai->wstats.qual.noise;
3763 wstats.updated = IW_QUAL_QUAL_UPDATED
3764 | IW_QUAL_LEVEL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003765 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003766 /* Update spy records */
3767 wireless_spy_update(ai->dev, sa, &wstats);
3768 }
3769#endif /* IW_WIRELESS_SPY */
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003770 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003771 skb->pkt_type = PACKET_OTHERHOST;
3772 skb->dev = ai->wifidev;
3773 skb->protocol = htons(ETH_P_802_2);
3774 skb->dev->last_rx = jiffies;
3775 skb->ip_summed = CHECKSUM_NONE;
3776 netif_rx( skb );
3777badrx:
3778 if (rxd.valid == 0) {
3779 rxd.valid = 1;
3780 rxd.rdy = 0;
3781 rxd.len = PKTSIZE;
3782 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3783 }
3784}
3785
3786static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3787{
3788 Cmd cmd;
3789 Resp rsp;
3790 int status;
3791 int i;
3792 SsidRid mySsid;
3793 u16 lastindex;
3794 WepKeyRid wkr;
3795 int rc;
3796
3797 memset( &mySsid, 0, sizeof( mySsid ) );
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003798 kfree (ai->flash);
3799 ai->flash = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003800
3801 /* The NOP is the first step in getting the card going */
3802 cmd.cmd = NOP;
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3805 return ERROR;
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3807 if (lock)
3808 up(&ai->sem);
3809 return ERROR;
3810 }
3811 disable_MAC( ai, 0);
3812
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3817 if (lock)
3818 up(&ai->sem);
Dan Williams934d8bf2006-03-16 13:46:23 -05003819 airo_print_err(ai->dev->name, "Error checking for AUX port");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003820 return ERROR;
3821 }
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003825 } else {
3826 ai->bap_read = aux_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003828 }
3829 }
3830 if (lock)
3831 up(&ai->sem);
3832 if (ai->config.len == 0) {
3833 tdsRssiRid rssi_rid;
3834 CapabilityRid cap_rid;
3835
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003836 kfree(ai->APList);
3837 ai->APList = NULL;
3838 kfree(ai->SSID);
3839 ai->SSID = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003840 // general configuration (read/modify/write)
3841 status = readConfigRid(ai, lock);
3842 if ( status != SUCCESS ) return ERROR;
3843
3844 status = readCapabilityRid(ai, &cap_rid, lock);
3845 if ( status != SUCCESS ) return ERROR;
3846
3847 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3848 if ( status == SUCCESS ) {
3849 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
Dan Williams41480af2005-05-10 09:45:51 -04003850 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003851 }
3852 else {
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003853 kfree(ai->rssi);
3854 ai->rssi = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003855 if (cap_rid.softCap & 8)
3856 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3857 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003858 airo_print_warn(ai->dev->name, "unknown received signal "
3859 "level scale");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003860 }
3861 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3862 ai->config.authType = AUTH_OPEN;
3863 ai->config.modulation = MOD_CCK;
3864
Linus Torvalds1da177e2005-04-16 15:20:36 -07003865 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3866 (micsetup(ai) == SUCCESS)) {
3867 ai->config.opmode |= MODE_MIC;
3868 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3869 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003870
3871 /* Save off the MAC */
3872 for( i = 0; i < ETH_ALEN; i++ ) {
3873 mac[i] = ai->config.macAddr[i];
3874 }
3875
3876 /* Check to see if there are any insmod configured
3877 rates to add */
3878 if ( rates[0] ) {
3879 int i = 0;
3880 memset(ai->config.rates,0,sizeof(ai->config.rates));
3881 for( i = 0; i < 8 && rates[i]; i++ ) {
3882 ai->config.rates[i] = rates[i];
3883 }
3884 }
3885 if ( basic_rate > 0 ) {
3886 int i;
3887 for( i = 0; i < 8; i++ ) {
3888 if ( ai->config.rates[i] == basic_rate ||
3889 !ai->config.rates ) {
3890 ai->config.rates[i] = basic_rate | 0x80;
3891 break;
3892 }
3893 }
3894 }
3895 set_bit (FLAG_COMMIT, &ai->flags);
3896 }
3897
3898 /* Setup the SSIDs if present */
3899 if ( ssids[0] ) {
3900 int i;
3901 for( i = 0; i < 3 && ssids[i]; i++ ) {
3902 mySsid.ssids[i].len = strlen(ssids[i]);
3903 if ( mySsid.ssids[i].len > 32 )
3904 mySsid.ssids[i].len = 32;
3905 memcpy(mySsid.ssids[i].ssid, ssids[i],
3906 mySsid.ssids[i].len);
3907 }
3908 mySsid.len = sizeof(mySsid);
3909 }
3910
3911 status = writeConfigRid(ai, lock);
3912 if ( status != SUCCESS ) return ERROR;
3913
3914 /* Set up the SSID list */
3915 if ( ssids[0] ) {
3916 status = writeSsidRid(ai, &mySsid, lock);
3917 if ( status != SUCCESS ) return ERROR;
3918 }
3919
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003920 status = enable_MAC(ai, lock);
3921 if (status != SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003922 return ERROR;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003923
3924 /* Grab the initial wep key, we gotta save it for auto_wep */
3925 rc = readWepKeyRid(ai, &wkr, 1, lock);
3926 if (rc == SUCCESS) do {
3927 lastindex = wkr.kindex;
3928 if (wkr.kindex == 0xffff) {
3929 ai->defindex = wkr.mac[0];
3930 }
3931 rc = readWepKeyRid(ai, &wkr, 0, lock);
3932 } while(lastindex != wkr.kindex);
3933
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02003934 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003935
3936 return SUCCESS;
3937}
3938
3939static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3940 // Im really paranoid about letting it run forever!
3941 int max_tries = 600000;
3942
3943 if (IN4500(ai, EVSTAT) & EV_CMD)
3944 OUT4500(ai, EVACK, EV_CMD);
3945
3946 OUT4500(ai, PARAM0, pCmd->parm0);
3947 OUT4500(ai, PARAM1, pCmd->parm1);
3948 OUT4500(ai, PARAM2, pCmd->parm2);
3949 OUT4500(ai, COMMAND, pCmd->cmd);
3950
3951 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3952 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3953 // PC4500 didn't notice command, try again
3954 OUT4500(ai, COMMAND, pCmd->cmd);
3955 if (!in_atomic() && (max_tries & 255) == 0)
3956 schedule();
3957 }
3958
3959 if ( max_tries == -1 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003960 airo_print_err(ai->dev->name,
3961 "Max tries exceeded when issueing command");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003962 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3964 return ERROR;
3965 }
3966
3967 // command completed
3968 pRsp->status = IN4500(ai, STATUS);
3969 pRsp->rsp0 = IN4500(ai, RESP0);
3970 pRsp->rsp1 = IN4500(ai, RESP1);
3971 pRsp->rsp2 = IN4500(ai, RESP2);
Robert Schulze13dca9b2006-07-10 18:37:44 +02003972 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3973 airo_print_err(ai->dev->name,
3974 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3975 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3976 pRsp->rsp2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003977
3978 // clear stuck command busy if necessary
3979 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3980 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3981 }
3982 // acknowledge processing the status/response
3983 OUT4500(ai, EVACK, EV_CMD);
3984
3985 return SUCCESS;
3986}
3987
3988/* Sets up the bap to start exchange data. whichbap should
3989 * be one of the BAP0 or BAP1 defines. Locks should be held before
3990 * calling! */
3991static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3992{
3993 int timeout = 50;
3994 int max_tries = 3;
3995
3996 OUT4500(ai, SELECT0+whichbap, rid);
3997 OUT4500(ai, OFFSET0+whichbap, offset);
3998 while (1) {
3999 int status = IN4500(ai, OFFSET0+whichbap);
4000 if (status & BAP_BUSY) {
4001 /* This isn't really a timeout, but its kinda
4002 close */
4003 if (timeout--) {
4004 continue;
4005 }
4006 } else if ( status & BAP_ERR ) {
4007 /* invalid rid or offset */
Dan Williams934d8bf2006-03-16 13:46:23 -05004008 airo_print_err(ai->dev->name, "BAP error %x %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004009 status, whichbap );
4010 return ERROR;
4011 } else if (status & BAP_DONE) { // success
4012 return SUCCESS;
4013 }
4014 if ( !(max_tries--) ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004015 airo_print_err(ai->dev->name,
Michal Schmidt1138c372007-06-29 15:33:41 +02004016 "BAP setup error too many retries\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004017 return ERROR;
4018 }
4019 // -- PC4500 missed it, try again
4020 OUT4500(ai, SELECT0+whichbap, rid);
4021 OUT4500(ai, OFFSET0+whichbap, offset);
4022 timeout = 50;
4023 }
4024}
4025
4026/* should only be called by aux_bap_read. This aux function and the
4027 following use concepts not documented in the developers guide. I
4028 got them from a patch given to my by Aironet */
4029static u16 aux_setup(struct airo_info *ai, u16 page,
4030 u16 offset, u16 *len)
4031{
4032 u16 next;
4033
4034 OUT4500(ai, AUXPAGE, page);
4035 OUT4500(ai, AUXOFF, 0);
4036 next = IN4500(ai, AUXDATA);
4037 *len = IN4500(ai, AUXDATA)&0xff;
4038 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4039 return next;
4040}
4041
4042/* requires call to bap_setup() first */
4043static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4044 int bytelen, int whichbap)
4045{
4046 u16 len;
4047 u16 page;
4048 u16 offset;
4049 u16 next;
4050 int words;
4051 int i;
4052 unsigned long flags;
4053
4054 spin_lock_irqsave(&ai->aux_lock, flags);
4055 page = IN4500(ai, SWS0+whichbap);
4056 offset = IN4500(ai, SWS2+whichbap);
4057 next = aux_setup(ai, page, offset, &len);
4058 words = (bytelen+1)>>1;
4059
4060 for (i=0; i<words;) {
4061 int count;
4062 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4063 if ( !do8bitIO )
4064 insw( ai->dev->base_addr+DATA0+whichbap,
4065 pu16Dst+i,count );
4066 else
4067 insb( ai->dev->base_addr+DATA0+whichbap,
4068 pu16Dst+i, count << 1 );
4069 i += count;
4070 if (i<words) {
4071 next = aux_setup(ai, next, 4, &len);
4072 }
4073 }
4074 spin_unlock_irqrestore(&ai->aux_lock, flags);
4075 return SUCCESS;
4076}
4077
4078
4079/* requires call to bap_setup() first */
4080static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4081 int bytelen, int whichbap)
4082{
4083 bytelen = (bytelen + 1) & (~1); // round up to even value
4084 if ( !do8bitIO )
4085 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4086 else
4087 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4088 return SUCCESS;
4089}
4090
4091/* requires call to bap_setup() first */
4092static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4093 int bytelen, int whichbap)
4094{
4095 bytelen = (bytelen + 1) & (~1); // round up to even value
4096 if ( !do8bitIO )
4097 outsw( ai->dev->base_addr+DATA0+whichbap,
4098 pu16Src, bytelen>>1 );
4099 else
4100 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4101 return SUCCESS;
4102}
4103
4104static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4105{
4106 Cmd cmd; /* for issuing commands */
4107 Resp rsp; /* response from commands */
4108 u16 status;
4109
4110 memset(&cmd, 0, sizeof(cmd));
4111 cmd.cmd = accmd;
4112 cmd.parm0 = rid;
4113 status = issuecommand(ai, &cmd, &rsp);
4114 if (status != 0) return status;
4115 if ( (rsp.status & 0x7F00) != 0) {
4116 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4117 }
4118 return 0;
4119}
4120
4121/* Note, that we are using BAP1 which is also used by transmit, so
4122 * we must get a lock. */
4123static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4124{
4125 u16 status;
4126 int rc = SUCCESS;
4127
4128 if (lock) {
4129 if (down_interruptible(&ai->sem))
4130 return ERROR;
4131 }
4132 if (test_bit(FLAG_MPI,&ai->flags)) {
4133 Cmd cmd;
4134 Resp rsp;
4135
4136 memset(&cmd, 0, sizeof(cmd));
4137 memset(&rsp, 0, sizeof(rsp));
4138 ai->config_desc.rid_desc.valid = 1;
4139 ai->config_desc.rid_desc.len = RIDSIZE;
4140 ai->config_desc.rid_desc.rid = 0;
4141 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4142
4143 cmd.cmd = CMD_ACCESS;
4144 cmd.parm0 = rid;
4145
4146 memcpy_toio(ai->config_desc.card_ram_off,
4147 &ai->config_desc.rid_desc, sizeof(Rid));
4148
4149 rc = issuecommand(ai, &cmd, &rsp);
4150
4151 if (rsp.status & 0x7f00)
4152 rc = rsp.rsp0;
4153 if (!rc)
4154 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4155 goto done;
4156 } else {
4157 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4158 rc = status;
4159 goto done;
4160 }
4161 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4162 rc = ERROR;
4163 goto done;
4164 }
4165 // read the rid length field
4166 bap_read(ai, pBuf, 2, BAP1);
4167 // length for remaining part of rid
4168 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4169
4170 if ( len <= 2 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004171 airo_print_err(ai->dev->name,
4172 "Rid %x has a length of %d which is too short",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004173 (int)rid, (int)len );
4174 rc = ERROR;
4175 goto done;
4176 }
4177 // read remainder of the rid
4178 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4179 }
4180done:
4181 if (lock)
4182 up(&ai->sem);
4183 return rc;
4184}
4185
4186/* Note, that we are using BAP1 which is also used by transmit, so
4187 * make sure this isnt called when a transmit is happening */
4188static int PC4500_writerid(struct airo_info *ai, u16 rid,
4189 const void *pBuf, int len, int lock)
4190{
4191 u16 status;
4192 int rc = SUCCESS;
4193
4194 *(u16*)pBuf = cpu_to_le16((u16)len);
4195
4196 if (lock) {
4197 if (down_interruptible(&ai->sem))
4198 return ERROR;
4199 }
4200 if (test_bit(FLAG_MPI,&ai->flags)) {
4201 Cmd cmd;
4202 Resp rsp;
4203
Dan Streetmanf89b2322005-11-11 11:41:42 -05004204 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
Dan Williams934d8bf2006-03-16 13:46:23 -05004205 airo_print_err(ai->dev->name,
4206 "%s: MAC should be disabled (rid=%04x)",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004207 __FUNCTION__, rid);
4208 memset(&cmd, 0, sizeof(cmd));
4209 memset(&rsp, 0, sizeof(rsp));
4210
4211 ai->config_desc.rid_desc.valid = 1;
4212 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4213 ai->config_desc.rid_desc.rid = 0;
4214
4215 cmd.cmd = CMD_WRITERID;
4216 cmd.parm0 = rid;
4217
4218 memcpy_toio(ai->config_desc.card_ram_off,
4219 &ai->config_desc.rid_desc, sizeof(Rid));
4220
4221 if (len < 4 || len > 2047) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004222 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004223 rc = -1;
4224 } else {
4225 memcpy((char *)ai->config_desc.virtual_host_addr,
4226 pBuf, len);
4227
4228 rc = issuecommand(ai, &cmd, &rsp);
4229 if ((rc & 0xff00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004230 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4231 __FUNCTION__, rc);
4232 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4233 __FUNCTION__, cmd.cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004234 }
4235
4236 if ((rsp.status & 0x7f00))
4237 rc = rsp.rsp0;
4238 }
4239 } else {
4240 // --- first access so that we can write the rid data
4241 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4242 rc = status;
4243 goto done;
4244 }
4245 // --- now write the rid data
4246 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4247 rc = ERROR;
4248 goto done;
4249 }
4250 bap_write(ai, pBuf, len, BAP1);
4251 // ---now commit the rid data
4252 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4253 }
4254done:
4255 if (lock)
4256 up(&ai->sem);
4257 return rc;
4258}
4259
4260/* Allocates a FID to be used for transmitting packets. We only use
4261 one for now. */
4262static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4263{
4264 unsigned int loop = 3000;
4265 Cmd cmd;
4266 Resp rsp;
4267 u16 txFid;
4268 u16 txControl;
4269
4270 cmd.cmd = CMD_ALLOCATETX;
4271 cmd.parm0 = lenPayload;
4272 if (down_interruptible(&ai->sem))
4273 return ERROR;
4274 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4275 txFid = ERROR;
4276 goto done;
4277 }
4278 if ( (rsp.status & 0xFF00) != 0) {
4279 txFid = ERROR;
4280 goto done;
4281 }
4282 /* wait for the allocate event/indication
4283 * It makes me kind of nervous that this can just sit here and spin,
4284 * but in practice it only loops like four times. */
4285 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4286 if (!loop) {
4287 txFid = ERROR;
4288 goto done;
4289 }
4290
4291 // get the allocated fid and acknowledge
4292 txFid = IN4500(ai, TXALLOCFID);
4293 OUT4500(ai, EVACK, EV_ALLOC);
4294
4295 /* The CARD is pretty cool since it converts the ethernet packet
4296 * into 802.11. Also note that we don't release the FID since we
4297 * will be using the same one over and over again. */
4298 /* We only have to setup the control once since we are not
4299 * releasing the fid. */
4300 if (raw)
4301 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4302 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4303 else
4304 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4305 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4306 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4307 txFid = ERROR;
4308 else
4309 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4310
4311done:
4312 up(&ai->sem);
4313
4314 return txFid;
4315}
4316
4317/* In general BAP1 is dedicated to transmiting packets. However,
4318 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4319 Make sure the BAP1 spinlock is held when this is called. */
4320static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4321{
4322 u16 payloadLen;
4323 Cmd cmd;
4324 Resp rsp;
4325 int miclen = 0;
4326 u16 txFid = len;
4327 MICBuffer pMic;
4328
4329 len >>= 16;
4330
4331 if (len <= ETH_ALEN * 2) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004332 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004333 return ERROR;
4334 }
4335 len -= ETH_ALEN * 2;
4336
Linus Torvalds1da177e2005-04-16 15:20:36 -07004337 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4338 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4339 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4340 return ERROR;
4341 miclen = sizeof(pMic);
4342 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004343 // packet is destination[6], source[6], payload[len-12]
4344 // write the payload length and dst/src/payload
4345 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4346 /* The hardware addresses aren't counted as part of the payload, so
4347 * we have to subtract the 12 bytes for the addresses off */
4348 payloadLen = cpu_to_le16(len + miclen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4350 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4351 if (miclen)
4352 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4353 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4354 // issue the transmit command
4355 memset( &cmd, 0, sizeof( cmd ) );
4356 cmd.cmd = CMD_TRANSMIT;
4357 cmd.parm0 = txFid;
4358 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4359 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4360 return SUCCESS;
4361}
4362
4363static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4364{
4365 u16 fc, payloadLen;
4366 Cmd cmd;
4367 Resp rsp;
4368 int hdrlen;
4369 struct {
4370 u8 addr4[ETH_ALEN];
4371 u16 gaplen;
4372 u8 gap[6];
4373 } gap;
4374 u16 txFid = len;
4375 len >>= 16;
4376 gap.gaplen = 6;
4377
4378 fc = le16_to_cpu(*(const u16*)pPacket);
4379 switch (fc & 0xc) {
4380 case 4:
4381 if ((fc & 0xe0) == 0xc0)
4382 hdrlen = 10;
4383 else
4384 hdrlen = 16;
4385 break;
4386 case 8:
4387 if ((fc&0x300)==0x300){
4388 hdrlen = 30;
4389 break;
4390 }
4391 default:
4392 hdrlen = 24;
4393 }
4394
4395 if (len < hdrlen) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004396 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004397 return ERROR;
4398 }
4399
4400 /* packet is 802.11 header + payload
4401 * write the payload length and dst/src/payload */
4402 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4403 /* The 802.11 header aren't counted as part of the payload, so
4404 * we have to subtract the header bytes off */
4405 payloadLen = cpu_to_le16(len-hdrlen);
4406 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4407 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4408 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4409 bap_write(ai, hdrlen == 30 ?
4410 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4411
4412 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4413 // issue the transmit command
4414 memset( &cmd, 0, sizeof( cmd ) );
4415 cmd.cmd = CMD_TRANSMIT;
4416 cmd.parm0 = txFid;
4417 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4418 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4419 return SUCCESS;
4420}
4421
4422/*
4423 * This is the proc_fs routines. It is a bit messier than I would
4424 * like! Feel free to clean it up!
4425 */
4426
4427static ssize_t proc_read( struct file *file,
4428 char __user *buffer,
4429 size_t len,
4430 loff_t *offset);
4431
4432static ssize_t proc_write( struct file *file,
4433 const char __user *buffer,
4434 size_t len,
4435 loff_t *offset );
4436static int proc_close( struct inode *inode, struct file *file );
4437
4438static int proc_stats_open( struct inode *inode, struct file *file );
4439static int proc_statsdelta_open( struct inode *inode, struct file *file );
4440static int proc_status_open( struct inode *inode, struct file *file );
4441static int proc_SSID_open( struct inode *inode, struct file *file );
4442static int proc_APList_open( struct inode *inode, struct file *file );
4443static int proc_BSSList_open( struct inode *inode, struct file *file );
4444static int proc_config_open( struct inode *inode, struct file *file );
4445static int proc_wepkey_open( struct inode *inode, struct file *file );
4446
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004447static const struct file_operations proc_statsdelta_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004448 .read = proc_read,
4449 .open = proc_statsdelta_open,
4450 .release = proc_close
4451};
4452
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004453static const struct file_operations proc_stats_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004454 .read = proc_read,
4455 .open = proc_stats_open,
4456 .release = proc_close
4457};
4458
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004459static const struct file_operations proc_status_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004460 .read = proc_read,
4461 .open = proc_status_open,
4462 .release = proc_close
4463};
4464
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004465static const struct file_operations proc_SSID_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004466 .read = proc_read,
4467 .write = proc_write,
4468 .open = proc_SSID_open,
4469 .release = proc_close
4470};
4471
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004472static const struct file_operations proc_BSSList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_BSSList_open,
4476 .release = proc_close
4477};
4478
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004479static const struct file_operations proc_APList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004480 .read = proc_read,
4481 .write = proc_write,
4482 .open = proc_APList_open,
4483 .release = proc_close
4484};
4485
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004486static const struct file_operations proc_config_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004487 .read = proc_read,
4488 .write = proc_write,
4489 .open = proc_config_open,
4490 .release = proc_close
4491};
4492
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004493static const struct file_operations proc_wepkey_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004494 .read = proc_read,
4495 .write = proc_write,
4496 .open = proc_wepkey_open,
4497 .release = proc_close
4498};
4499
4500static struct proc_dir_entry *airo_entry;
4501
4502struct proc_data {
4503 int release_buffer;
4504 int readlen;
4505 char *rbuffer;
4506 int writelen;
4507 int maxwritelen;
4508 char *wbuffer;
4509 void (*on_close) (struct inode *, struct file *);
4510};
4511
4512#ifndef SETPROC_OPS
4513#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4514#endif
4515
4516static int setup_proc_entry( struct net_device *dev,
4517 struct airo_info *apriv ) {
4518 struct proc_dir_entry *entry;
4519 /* First setup the device directory */
4520 strcpy(apriv->proc_name,dev->name);
4521 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4522 S_IFDIR|airo_perm,
4523 airo_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004524 if (!apriv->proc_entry)
4525 goto fail;
4526 apriv->proc_entry->uid = proc_uid;
4527 apriv->proc_entry->gid = proc_gid;
4528 apriv->proc_entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004529
4530 /* Setup the StatsDelta */
4531 entry = create_proc_entry("StatsDelta",
4532 S_IFREG | (S_IRUGO&proc_perm),
4533 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004534 if (!entry)
4535 goto fail_stats_delta;
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004538 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004539 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004540 SETPROC_OPS(entry, proc_statsdelta_ops);
4541
4542 /* Setup the Stats */
4543 entry = create_proc_entry("Stats",
4544 S_IFREG | (S_IRUGO&proc_perm),
4545 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004546 if (!entry)
4547 goto fail_stats;
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004550 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004551 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004552 SETPROC_OPS(entry, proc_stats_ops);
4553
4554 /* Setup the Status */
4555 entry = create_proc_entry("Status",
4556 S_IFREG | (S_IRUGO&proc_perm),
4557 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004558 if (!entry)
4559 goto fail_status;
4560 entry->uid = proc_uid;
4561 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004562 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004563 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004564 SETPROC_OPS(entry, proc_status_ops);
4565
4566 /* Setup the Config */
4567 entry = create_proc_entry("Config",
4568 S_IFREG | proc_perm,
4569 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004570 if (!entry)
4571 goto fail_config;
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004574 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004575 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004576 SETPROC_OPS(entry, proc_config_ops);
4577
4578 /* Setup the SSID */
4579 entry = create_proc_entry("SSID",
4580 S_IFREG | proc_perm,
4581 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004582 if (!entry)
4583 goto fail_ssid;
4584 entry->uid = proc_uid;
4585 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004586 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004587 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004588 SETPROC_OPS(entry, proc_SSID_ops);
4589
4590 /* Setup the APList */
4591 entry = create_proc_entry("APList",
4592 S_IFREG | proc_perm,
4593 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004594 if (!entry)
4595 goto fail_aplist;
4596 entry->uid = proc_uid;
4597 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004598 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004599 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004600 SETPROC_OPS(entry, proc_APList_ops);
4601
4602 /* Setup the BSSList */
4603 entry = create_proc_entry("BSSList",
4604 S_IFREG | proc_perm,
4605 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004606 if (!entry)
4607 goto fail_bsslist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004608 entry->uid = proc_uid;
4609 entry->gid = proc_gid;
4610 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004611 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004612 SETPROC_OPS(entry, proc_BSSList_ops);
4613
4614 /* Setup the WepKey */
4615 entry = create_proc_entry("WepKey",
4616 S_IFREG | proc_perm,
4617 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004618 if (!entry)
4619 goto fail_wepkey;
4620 entry->uid = proc_uid;
4621 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004622 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004623 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004624 SETPROC_OPS(entry, proc_wepkey_ops);
4625
4626 return 0;
Florin Malita431aca52006-10-10 16:46:30 -04004627
4628fail_wepkey:
4629 remove_proc_entry("BSSList", apriv->proc_entry);
4630fail_bsslist:
4631 remove_proc_entry("APList", apriv->proc_entry);
4632fail_aplist:
4633 remove_proc_entry("SSID", apriv->proc_entry);
4634fail_ssid:
4635 remove_proc_entry("Config", apriv->proc_entry);
4636fail_config:
4637 remove_proc_entry("Status", apriv->proc_entry);
4638fail_status:
4639 remove_proc_entry("Stats", apriv->proc_entry);
4640fail_stats:
4641 remove_proc_entry("StatsDelta", apriv->proc_entry);
4642fail_stats_delta:
4643 remove_proc_entry(apriv->proc_name, airo_entry);
4644fail:
4645 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004646}
4647
4648static int takedown_proc_entry( struct net_device *dev,
4649 struct airo_info *apriv ) {
4650 if ( !apriv->proc_entry->namelen ) return 0;
4651 remove_proc_entry("Stats",apriv->proc_entry);
4652 remove_proc_entry("StatsDelta",apriv->proc_entry);
4653 remove_proc_entry("Status",apriv->proc_entry);
4654 remove_proc_entry("Config",apriv->proc_entry);
4655 remove_proc_entry("SSID",apriv->proc_entry);
4656 remove_proc_entry("APList",apriv->proc_entry);
4657 remove_proc_entry("BSSList",apriv->proc_entry);
4658 remove_proc_entry("WepKey",apriv->proc_entry);
4659 remove_proc_entry(apriv->proc_name,airo_entry);
4660 return 0;
4661}
4662
4663/*
4664 * What we want from the proc_fs is to be able to efficiently read
4665 * and write the configuration. To do this, we want to read the
4666 * configuration when the file is opened and write it when the file is
4667 * closed. So basically we allocate a read buffer at open and fill it
4668 * with data, and allocate a write buffer and read it at close.
4669 */
4670
4671/*
4672 * The read routine is generic, it relies on the preallocated rbuffer
4673 * to supply the data.
4674 */
4675static ssize_t proc_read( struct file *file,
4676 char __user *buffer,
4677 size_t len,
4678 loff_t *offset )
4679{
4680 loff_t pos = *offset;
4681 struct proc_data *priv = (struct proc_data*)file->private_data;
4682
4683 if (!priv->rbuffer)
4684 return -EINVAL;
4685
4686 if (pos < 0)
4687 return -EINVAL;
4688 if (pos >= priv->readlen)
4689 return 0;
4690 if (len > priv->readlen - pos)
4691 len = priv->readlen - pos;
4692 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4693 return -EFAULT;
4694 *offset = pos + len;
4695 return len;
4696}
4697
4698/*
4699 * The write routine is generic, it fills in a preallocated rbuffer
4700 * to supply the data.
4701 */
4702static ssize_t proc_write( struct file *file,
4703 const char __user *buffer,
4704 size_t len,
4705 loff_t *offset )
4706{
4707 loff_t pos = *offset;
4708 struct proc_data *priv = (struct proc_data*)file->private_data;
4709
4710 if (!priv->wbuffer)
4711 return -EINVAL;
4712
4713 if (pos < 0)
4714 return -EINVAL;
4715 if (pos >= priv->maxwritelen)
4716 return 0;
4717 if (len > priv->maxwritelen - pos)
4718 len = priv->maxwritelen - pos;
4719 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4720 return -EFAULT;
4721 if ( pos + len > priv->writelen )
4722 priv->writelen = len + file->f_pos;
4723 *offset = pos + len;
4724 return len;
4725}
4726
4727static int proc_status_open( struct inode *inode, struct file *file ) {
4728 struct proc_data *data;
4729 struct proc_dir_entry *dp = PDE(inode);
4730 struct net_device *dev = dp->data;
4731 struct airo_info *apriv = dev->priv;
4732 CapabilityRid cap_rid;
4733 StatusRid status_rid;
4734 int i;
4735
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004736 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004737 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004738 data = (struct proc_data *)file->private_data;
4739 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4740 kfree (file->private_data);
4741 return -ENOMEM;
4742 }
4743
4744 readStatusRid(apriv, &status_rid, 1);
4745 readCapabilityRid(apriv, &cap_rid, 1);
4746
4747 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4748 status_rid.mode & 1 ? "CFG ": "",
4749 status_rid.mode & 2 ? "ACT ": "",
4750 status_rid.mode & 0x10 ? "SYN ": "",
4751 status_rid.mode & 0x20 ? "LNK ": "",
4752 status_rid.mode & 0x40 ? "LEAP ": "",
4753 status_rid.mode & 0x80 ? "PRIV ": "",
4754 status_rid.mode & 0x100 ? "KEY ": "",
4755 status_rid.mode & 0x200 ? "WEP ": "",
4756 status_rid.mode & 0x8000 ? "ERR ": "");
4757 sprintf( data->rbuffer+i, "Mode: %x\n"
4758 "Signal Strength: %d\n"
4759 "Signal Quality: %d\n"
4760 "SSID: %-.*s\n"
4761 "AP: %-.16s\n"
4762 "Freq: %d\n"
4763 "BitRate: %dmbs\n"
4764 "Driver Version: %s\n"
4765 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4766 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4767 "Software Version: %x\nSoftware Subversion: %x\n"
4768 "Boot block version: %x\n",
4769 (int)status_rid.mode,
4770 (int)status_rid.normalizedSignalStrength,
4771 (int)status_rid.signalQuality,
4772 (int)status_rid.SSIDlen,
4773 status_rid.SSID,
4774 status_rid.apName,
4775 (int)status_rid.channel,
4776 (int)status_rid.currentXmitRate/2,
4777 version,
4778 cap_rid.prodName,
4779 cap_rid.manName,
4780 cap_rid.prodVer,
4781 cap_rid.radioType,
4782 cap_rid.country,
4783 cap_rid.hardVer,
4784 (int)cap_rid.softVer,
4785 (int)cap_rid.softSubVer,
4786 (int)cap_rid.bootBlockVer );
4787 data->readlen = strlen( data->rbuffer );
4788 return 0;
4789}
4790
4791static int proc_stats_rid_open(struct inode*, struct file*, u16);
4792static int proc_statsdelta_open( struct inode *inode,
4793 struct file *file ) {
4794 if (file->f_mode&FMODE_WRITE) {
4795 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4796 }
4797 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4798}
4799
4800static int proc_stats_open( struct inode *inode, struct file *file ) {
4801 return proc_stats_rid_open(inode, file, RID_STATS);
4802}
4803
4804static int proc_stats_rid_open( struct inode *inode,
4805 struct file *file,
4806 u16 rid ) {
4807 struct proc_data *data;
4808 struct proc_dir_entry *dp = PDE(inode);
4809 struct net_device *dev = dp->data;
4810 struct airo_info *apriv = dev->priv;
4811 StatsRid stats;
4812 int i, j;
4813 u32 *vals = stats.vals;
4814
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004815 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004816 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004817 data = (struct proc_data *)file->private_data;
4818 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4819 kfree (file->private_data);
4820 return -ENOMEM;
4821 }
4822
4823 readStatsRid(apriv, &stats, rid, 1);
4824
4825 j = 0;
4826 for(i=0; statsLabels[i]!=(char *)-1 &&
4827 i*4<stats.len; i++){
4828 if (!statsLabels[i]) continue;
4829 if (j+strlen(statsLabels[i])+16>4096) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004830 airo_print_warn(apriv->dev->name,
4831 "Potentially disasterous buffer overflow averted!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004832 break;
4833 }
4834 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4835 }
4836 if (i*4>=stats.len){
Dan Williams934d8bf2006-03-16 13:46:23 -05004837 airo_print_warn(apriv->dev->name, "Got a short rid");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004838 }
4839 data->readlen = j;
4840 return 0;
4841}
4842
4843static int get_dec_u16( char *buffer, int *start, int limit ) {
4844 u16 value;
4845 int valid = 0;
4846 for( value = 0; buffer[*start] >= '0' &&
4847 buffer[*start] <= '9' &&
4848 *start < limit; (*start)++ ) {
4849 valid = 1;
4850 value *= 10;
4851 value += buffer[*start] - '0';
4852 }
4853 if ( !valid ) return -1;
4854 return value;
4855}
4856
4857static int airo_config_commit(struct net_device *dev,
4858 struct iw_request_info *info, void *zwrq,
4859 char *extra);
4860
4861static void proc_config_on_close( struct inode *inode, struct file *file ) {
4862 struct proc_data *data = file->private_data;
4863 struct proc_dir_entry *dp = PDE(inode);
4864 struct net_device *dev = dp->data;
4865 struct airo_info *ai = dev->priv;
4866 char *line;
4867
4868 if ( !data->writelen ) return;
4869
4870 readConfigRid(ai, 1);
4871 set_bit (FLAG_COMMIT, &ai->flags);
4872
4873 line = data->wbuffer;
4874 while( line[0] ) {
4875/*** Mode processing */
4876 if ( !strncmp( line, "Mode: ", 6 ) ) {
4877 line += 6;
4878 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4879 set_bit (FLAG_RESET, &ai->flags);
4880 ai->config.rmode &= 0xfe00;
4881 clear_bit (FLAG_802_11, &ai->flags);
4882 ai->config.opmode &= 0xFF00;
4883 ai->config.scanMode = SCANMODE_ACTIVE;
4884 if ( line[0] == 'a' ) {
4885 ai->config.opmode |= 0;
4886 } else {
4887 ai->config.opmode |= 1;
4888 if ( line[0] == 'r' ) {
4889 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4890 ai->config.scanMode = SCANMODE_PASSIVE;
4891 set_bit (FLAG_802_11, &ai->flags);
4892 } else if ( line[0] == 'y' ) {
4893 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4894 ai->config.scanMode = SCANMODE_PASSIVE;
4895 set_bit (FLAG_802_11, &ai->flags);
4896 } else if ( line[0] == 'l' )
4897 ai->config.rmode |= RXMODE_LANMON;
4898 }
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 }
4901
4902/*** Radio status */
4903 else if (!strncmp(line,"Radio: ", 7)) {
4904 line += 7;
4905 if (!strncmp(line,"off",3)) {
4906 set_bit (FLAG_RADIO_OFF, &ai->flags);
4907 } else {
4908 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4909 }
4910 }
4911/*** NodeName processing */
4912 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4913 int j;
4914
4915 line += 10;
4916 memset( ai->config.nodeName, 0, 16 );
4917/* Do the name, assume a space between the mode and node name */
4918 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4919 ai->config.nodeName[j] = line[j];
4920 }
4921 set_bit (FLAG_COMMIT, &ai->flags);
4922 }
4923
4924/*** PowerMode processing */
4925 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4926 line += 11;
4927 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4928 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4929 set_bit (FLAG_COMMIT, &ai->flags);
4930 } else if ( !strncmp( line, "PSP", 3 ) ) {
4931 ai->config.powerSaveMode = POWERSAVE_PSP;
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else {
4934 ai->config.powerSaveMode = POWERSAVE_CAM;
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 }
4937 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4938 int v, i = 0, k = 0; /* i is index into line,
4939 k is index to rates */
4940
4941 line += 11;
4942 while((v = get_dec_u16(line, &i, 3))!=-1) {
4943 ai->config.rates[k++] = (u8)v;
4944 line += i + 1;
4945 i = 0;
4946 }
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4949 int v, i = 0;
4950 line += 9;
4951 v = get_dec_u16(line, &i, i+3);
4952 if ( v != -1 ) {
4953 ai->config.channelSet = (u16)v;
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 }
4956 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4957 int v, i = 0;
4958 line += 11;
4959 v = get_dec_u16(line, &i, i+3);
4960 if ( v != -1 ) {
4961 ai->config.txPower = (u16)v;
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 }
4964 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4965 line += 5;
4966 switch( line[0] ) {
4967 case 's':
4968 ai->config.authType = (u16)AUTH_SHAREDKEY;
4969 break;
4970 case 'e':
4971 ai->config.authType = (u16)AUTH_ENCRYPT;
4972 break;
4973 default:
4974 ai->config.authType = (u16)AUTH_OPEN;
4975 break;
4976 }
4977 set_bit (FLAG_COMMIT, &ai->flags);
4978 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4979 int v, i = 0;
4980
4981 line += 16;
4982 v = get_dec_u16(line, &i, 3);
4983 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4984 ai->config.longRetryLimit = (u16)v;
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4987 int v, i = 0;
4988
4989 line += 17;
4990 v = get_dec_u16(line, &i, 3);
4991 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4992 ai->config.shortRetryLimit = (u16)v;
4993 set_bit (FLAG_COMMIT, &ai->flags);
4994 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4995 int v, i = 0;
4996
4997 line += 14;
4998 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004999 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005000 ai->config.rtsThres = (u16)v;
5001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5003 int v, i = 0;
5004
5005 line += 16;
5006 v = get_dec_u16(line, &i, 5);
5007 v = (v<0) ? 0 : v;
5008 ai->config.txLifetime = (u16)v;
5009 set_bit (FLAG_COMMIT, &ai->flags);
5010 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5011 int v, i = 0;
5012
5013 line += 16;
5014 v = get_dec_u16(line, &i, 5);
5015 v = (v<0) ? 0 : v;
5016 ai->config.rxLifetime = (u16)v;
5017 set_bit (FLAG_COMMIT, &ai->flags);
5018 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5019 ai->config.txDiversity =
5020 (line[13]=='l') ? 1 :
5021 ((line[13]=='r')? 2: 3);
5022 set_bit (FLAG_COMMIT, &ai->flags);
5023 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5024 ai->config.rxDiversity =
5025 (line[13]=='l') ? 1 :
5026 ((line[13]=='r')? 2: 3);
5027 set_bit (FLAG_COMMIT, &ai->flags);
5028 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5029 int v, i = 0;
5030
5031 line += 15;
5032 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05005033 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005034 v = v & 0xfffe; /* Make sure its even */
5035 ai->config.fragThresh = (u16)v;
5036 set_bit (FLAG_COMMIT, &ai->flags);
5037 } else if (!strncmp(line, "Modulation: ", 12)) {
5038 line += 12;
5039 switch(*line) {
5040 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005043 default: airo_print_warn(ai->dev->name, "Unknown modulation");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005044 }
5045 } else if (!strncmp(line, "Preamble: ", 10)) {
5046 line += 10;
5047 switch(*line) {
5048 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5050 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005051 default: airo_print_warn(ai->dev->name, "Unknown preamble");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005052 }
5053 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005054 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005055 }
5056 while( line[0] && line[0] != '\n' ) line++;
5057 if ( line[0] ) line++;
5058 }
5059 airo_config_commit(dev, NULL, NULL, NULL);
5060}
5061
5062static char *get_rmode(u16 mode) {
5063 switch(mode&0xff) {
5064 case RXMODE_RFMON: return "rfmon";
5065 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5066 case RXMODE_LANMON: return "lanmon";
5067 }
5068 return "ESS";
5069}
5070
5071static int proc_config_open( struct inode *inode, struct file *file ) {
5072 struct proc_data *data;
5073 struct proc_dir_entry *dp = PDE(inode);
5074 struct net_device *dev = dp->data;
5075 struct airo_info *ai = dev->priv;
5076 int i;
5077
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005078 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005079 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005080 data = (struct proc_data *)file->private_data;
5081 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5082 kfree (file->private_data);
5083 return -ENOMEM;
5084 }
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005085 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005086 kfree (data->rbuffer);
5087 kfree (file->private_data);
5088 return -ENOMEM;
5089 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005090 data->maxwritelen = 2048;
5091 data->on_close = proc_config_on_close;
5092
5093 readConfigRid(ai, 1);
5094
5095 i = sprintf( data->rbuffer,
5096 "Mode: %s\n"
5097 "Radio: %s\n"
5098 "NodeName: %-16s\n"
5099 "PowerMode: %s\n"
5100 "DataRates: %d %d %d %d %d %d %d %d\n"
5101 "Channel: %d\n"
5102 "XmitPower: %d\n",
5103 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5104 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5105 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5106 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5107 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5108 ai->config.nodeName,
5109 ai->config.powerSaveMode == 0 ? "CAM" :
5110 ai->config.powerSaveMode == 1 ? "PSP" :
5111 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5112 (int)ai->config.rates[0],
5113 (int)ai->config.rates[1],
5114 (int)ai->config.rates[2],
5115 (int)ai->config.rates[3],
5116 (int)ai->config.rates[4],
5117 (int)ai->config.rates[5],
5118 (int)ai->config.rates[6],
5119 (int)ai->config.rates[7],
5120 (int)ai->config.channelSet,
5121 (int)ai->config.txPower
5122 );
5123 sprintf( data->rbuffer + i,
5124 "LongRetryLimit: %d\n"
5125 "ShortRetryLimit: %d\n"
5126 "RTSThreshold: %d\n"
5127 "TXMSDULifetime: %d\n"
5128 "RXMSDULifetime: %d\n"
5129 "TXDiversity: %s\n"
5130 "RXDiversity: %s\n"
5131 "FragThreshold: %d\n"
5132 "WEP: %s\n"
5133 "Modulation: %s\n"
5134 "Preamble: %s\n",
5135 (int)ai->config.longRetryLimit,
5136 (int)ai->config.shortRetryLimit,
5137 (int)ai->config.rtsThres,
5138 (int)ai->config.txLifetime,
5139 (int)ai->config.rxLifetime,
5140 ai->config.txDiversity == 1 ? "left" :
5141 ai->config.txDiversity == 2 ? "right" : "both",
5142 ai->config.rxDiversity == 1 ? "left" :
5143 ai->config.rxDiversity == 2 ? "right" : "both",
5144 (int)ai->config.fragThresh,
5145 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5146 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5147 ai->config.modulation == 0 ? "default" :
5148 ai->config.modulation == MOD_CCK ? "cck" :
5149 ai->config.modulation == MOD_MOK ? "mok" : "error",
5150 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5151 ai->config.preamble == PREAMBLE_LONG ? "long" :
5152 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5153 );
5154 data->readlen = strlen( data->rbuffer );
5155 return 0;
5156}
5157
5158static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5159 struct proc_data *data = (struct proc_data *)file->private_data;
5160 struct proc_dir_entry *dp = PDE(inode);
5161 struct net_device *dev = dp->data;
5162 struct airo_info *ai = dev->priv;
5163 SsidRid SSID_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005164 int i;
5165 int offset = 0;
5166
5167 if ( !data->writelen ) return;
5168
5169 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5170
5171 for( i = 0; i < 3; i++ ) {
5172 int j;
5173 for( j = 0; j+offset < data->writelen && j < 32 &&
5174 data->wbuffer[offset+j] != '\n'; j++ ) {
5175 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5176 }
5177 if ( j == 0 ) break;
5178 SSID_rid.ssids[i].len = j;
5179 offset += j;
5180 while( data->wbuffer[offset] != '\n' &&
5181 offset < data->writelen ) offset++;
5182 offset++;
5183 }
5184 if (i)
5185 SSID_rid.len = sizeof(SSID_rid);
5186 disable_MAC(ai, 1);
5187 writeSsidRid(ai, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005188 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005189}
5190
Jesper Juhl77933d72005-07-27 11:46:09 -07005191static inline u8 hexVal(char c) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005192 if (c>='0' && c<='9') return c -= '0';
5193 if (c>='a' && c<='f') return c -= 'a'-10;
5194 if (c>='A' && c<='F') return c -= 'A'-10;
5195 return 0;
5196}
5197
5198static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5199 struct proc_data *data = (struct proc_data *)file->private_data;
5200 struct proc_dir_entry *dp = PDE(inode);
5201 struct net_device *dev = dp->data;
5202 struct airo_info *ai = dev->priv;
5203 APListRid APList_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005204 int i;
5205
5206 if ( !data->writelen ) return;
5207
5208 memset( &APList_rid, 0, sizeof(APList_rid) );
5209 APList_rid.len = sizeof(APList_rid);
5210
5211 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5212 int j;
5213 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5214 switch(j%3) {
5215 case 0:
5216 APList_rid.ap[i][j/3]=
5217 hexVal(data->wbuffer[j+i*6*3])<<4;
5218 break;
5219 case 1:
5220 APList_rid.ap[i][j/3]|=
5221 hexVal(data->wbuffer[j+i*6*3]);
5222 break;
5223 }
5224 }
5225 }
5226 disable_MAC(ai, 1);
5227 writeAPListRid(ai, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005228 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005229}
5230
5231/* This function wraps PC4500_writerid with a MAC disable */
5232static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5233 int len, int dummy ) {
5234 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005235
5236 disable_MAC(ai, 1);
5237 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005238 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005239 return rc;
5240}
5241
5242/* Returns the length of the key at the index. If index == 0xffff
5243 * the index of the transmit key is returned. If the key doesn't exist,
5244 * -1 will be returned.
5245 */
5246static int get_wep_key(struct airo_info *ai, u16 index) {
5247 WepKeyRid wkr;
5248 int rc;
5249 u16 lastindex;
5250
5251 rc = readWepKeyRid(ai, &wkr, 1, 1);
5252 if (rc == SUCCESS) do {
5253 lastindex = wkr.kindex;
5254 if (wkr.kindex == index) {
5255 if (index == 0xffff) {
5256 return wkr.mac[0];
5257 }
5258 return wkr.klen;
5259 }
5260 readWepKeyRid(ai, &wkr, 0, 1);
5261 } while(lastindex != wkr.kindex);
5262 return -1;
5263}
5264
5265static int set_wep_key(struct airo_info *ai, u16 index,
5266 const char *key, u16 keylen, int perm, int lock ) {
5267 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5268 WepKeyRid wkr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005269
5270 memset(&wkr, 0, sizeof(wkr));
5271 if (keylen == 0) {
5272// We are selecting which key to use
5273 wkr.len = sizeof(wkr);
5274 wkr.kindex = 0xffff;
5275 wkr.mac[0] = (char)index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005276 if (perm) ai->defindex = (char)index;
5277 } else {
5278// We are actually setting the key
5279 wkr.len = sizeof(wkr);
5280 wkr.kindex = index;
5281 wkr.klen = keylen;
5282 memcpy( wkr.key, key, keylen );
5283 memcpy( wkr.mac, macaddr, ETH_ALEN );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005284 }
5285
Dan Streetmanf89b2322005-11-11 11:41:42 -05005286 if (perm) disable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005287 writeWepKeyRid(ai, &wkr, perm, lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005288 if (perm) enable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005289 return 0;
5290}
5291
5292static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5293 struct proc_data *data;
5294 struct proc_dir_entry *dp = PDE(inode);
5295 struct net_device *dev = dp->data;
5296 struct airo_info *ai = dev->priv;
5297 int i;
5298 char key[16];
5299 u16 index = 0;
5300 int j = 0;
5301
5302 memset(key, 0, sizeof(key));
5303
5304 data = (struct proc_data *)file->private_data;
5305 if ( !data->writelen ) return;
5306
5307 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5308 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5309 index = data->wbuffer[0] - '0';
5310 if (data->wbuffer[1] == '\n') {
5311 set_wep_key(ai, index, NULL, 0, 1, 1);
5312 return;
5313 }
5314 j = 2;
5315 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005316 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005317 return;
5318 }
5319
5320 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5321 switch(i%3) {
5322 case 0:
5323 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5324 break;
5325 case 1:
5326 key[i/3] |= hexVal(data->wbuffer[i+j]);
5327 break;
5328 }
5329 }
5330 set_wep_key(ai, index, key, i/3, 1, 1);
5331}
5332
5333static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5334 struct proc_data *data;
5335 struct proc_dir_entry *dp = PDE(inode);
5336 struct net_device *dev = dp->data;
5337 struct airo_info *ai = dev->priv;
5338 char *ptr;
5339 WepKeyRid wkr;
5340 u16 lastindex;
5341 int j=0;
5342 int rc;
5343
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005344 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005345 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005346 memset(&wkr, 0, sizeof(wkr));
5347 data = (struct proc_data *)file->private_data;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005348 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005349 kfree (file->private_data);
5350 return -ENOMEM;
5351 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005352 data->writelen = 0;
5353 data->maxwritelen = 80;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005354 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005355 kfree (data->rbuffer);
5356 kfree (file->private_data);
5357 return -ENOMEM;
5358 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005359 data->on_close = proc_wepkey_on_close;
5360
5361 ptr = data->rbuffer;
5362 strcpy(ptr, "No wep keys\n");
5363 rc = readWepKeyRid(ai, &wkr, 1, 1);
5364 if (rc == SUCCESS) do {
5365 lastindex = wkr.kindex;
5366 if (wkr.kindex == 0xffff) {
5367 j += sprintf(ptr+j, "Tx key = %d\n",
5368 (int)wkr.mac[0]);
5369 } else {
5370 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5371 (int)wkr.kindex, (int)wkr.klen);
5372 }
5373 readWepKeyRid(ai, &wkr, 0, 1);
5374 } while((lastindex != wkr.kindex) && (j < 180-30));
5375
5376 data->readlen = strlen( data->rbuffer );
5377 return 0;
5378}
5379
5380static int proc_SSID_open( struct inode *inode, struct file *file ) {
5381 struct proc_data *data;
5382 struct proc_dir_entry *dp = PDE(inode);
5383 struct net_device *dev = dp->data;
5384 struct airo_info *ai = dev->priv;
5385 int i;
5386 char *ptr;
5387 SsidRid SSID_rid;
5388
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005389 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005390 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005391 data = (struct proc_data *)file->private_data;
5392 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5393 kfree (file->private_data);
5394 return -ENOMEM;
5395 }
5396 data->writelen = 0;
5397 data->maxwritelen = 33*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005398 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005399 kfree (data->rbuffer);
5400 kfree (file->private_data);
5401 return -ENOMEM;
5402 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005403 data->on_close = proc_SSID_on_close;
5404
5405 readSsidRid(ai, &SSID_rid);
5406 ptr = data->rbuffer;
5407 for( i = 0; i < 3; i++ ) {
5408 int j;
5409 if ( !SSID_rid.ssids[i].len ) break;
5410 for( j = 0; j < 32 &&
5411 j < SSID_rid.ssids[i].len &&
5412 SSID_rid.ssids[i].ssid[j]; j++ ) {
5413 *ptr++ = SSID_rid.ssids[i].ssid[j];
5414 }
5415 *ptr++ = '\n';
5416 }
5417 *ptr = '\0';
5418 data->readlen = strlen( data->rbuffer );
5419 return 0;
5420}
5421
5422static int proc_APList_open( struct inode *inode, struct file *file ) {
5423 struct proc_data *data;
5424 struct proc_dir_entry *dp = PDE(inode);
5425 struct net_device *dev = dp->data;
5426 struct airo_info *ai = dev->priv;
5427 int i;
5428 char *ptr;
5429 APListRid APList_rid;
5430
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005431 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005432 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005433 data = (struct proc_data *)file->private_data;
5434 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5435 kfree (file->private_data);
5436 return -ENOMEM;
5437 }
5438 data->writelen = 0;
5439 data->maxwritelen = 4*6*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005440 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005441 kfree (data->rbuffer);
5442 kfree (file->private_data);
5443 return -ENOMEM;
5444 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005445 data->on_close = proc_APList_on_close;
5446
5447 readAPListRid(ai, &APList_rid);
5448 ptr = data->rbuffer;
5449 for( i = 0; i < 4; i++ ) {
5450// We end when we find a zero MAC
5451 if ( !*(int*)APList_rid.ap[i] &&
5452 !*(int*)&APList_rid.ap[i][2]) break;
5453 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5454 (int)APList_rid.ap[i][0],
5455 (int)APList_rid.ap[i][1],
5456 (int)APList_rid.ap[i][2],
5457 (int)APList_rid.ap[i][3],
5458 (int)APList_rid.ap[i][4],
5459 (int)APList_rid.ap[i][5]);
5460 }
5461 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5462
5463 *ptr = '\0';
5464 data->readlen = strlen( data->rbuffer );
5465 return 0;
5466}
5467
5468static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5469 struct proc_data *data;
5470 struct proc_dir_entry *dp = PDE(inode);
5471 struct net_device *dev = dp->data;
5472 struct airo_info *ai = dev->priv;
5473 char *ptr;
5474 BSSListRid BSSList_rid;
5475 int rc;
5476 /* If doLoseSync is not 1, we won't do a Lose Sync */
5477 int doLoseSync = -1;
5478
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005479 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005480 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005481 data = (struct proc_data *)file->private_data;
5482 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5483 kfree (file->private_data);
5484 return -ENOMEM;
5485 }
5486 data->writelen = 0;
5487 data->maxwritelen = 0;
5488 data->wbuffer = NULL;
5489 data->on_close = NULL;
5490
5491 if (file->f_mode & FMODE_WRITE) {
5492 if (!(file->f_mode & FMODE_READ)) {
5493 Cmd cmd;
5494 Resp rsp;
5495
5496 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5497 memset(&cmd, 0, sizeof(cmd));
5498 cmd.cmd=CMD_LISTBSS;
5499 if (down_interruptible(&ai->sem))
5500 return -ERESTARTSYS;
5501 issuecommand(ai, &cmd, &rsp);
5502 up(&ai->sem);
5503 data->readlen = 0;
5504 return 0;
5505 }
5506 doLoseSync = 1;
5507 }
5508 ptr = data->rbuffer;
5509 /* There is a race condition here if there are concurrent opens.
5510 Since it is a rare condition, we'll just live with it, otherwise
5511 we have to add a spin lock... */
5512 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5513 while(rc == 0 && BSSList_rid.index != 0xffff) {
5514 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5515 (int)BSSList_rid.bssid[0],
5516 (int)BSSList_rid.bssid[1],
5517 (int)BSSList_rid.bssid[2],
5518 (int)BSSList_rid.bssid[3],
5519 (int)BSSList_rid.bssid[4],
5520 (int)BSSList_rid.bssid[5],
5521 (int)BSSList_rid.ssidLen,
5522 BSSList_rid.ssid,
Dan Williams41480af2005-05-10 09:45:51 -04005523 (int)BSSList_rid.dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005524 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5525 (int)BSSList_rid.dsChannel,
5526 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5527 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5528 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5529 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5530 rc = readBSSListRid(ai, 0, &BSSList_rid);
5531 }
5532 *ptr = '\0';
5533 data->readlen = strlen( data->rbuffer );
5534 return 0;
5535}
5536
5537static int proc_close( struct inode *inode, struct file *file )
5538{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04005539 struct proc_data *data = file->private_data;
5540
5541 if (data->on_close != NULL)
5542 data->on_close(inode, file);
5543 kfree(data->rbuffer);
5544 kfree(data->wbuffer);
5545 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005546 return 0;
5547}
5548
Linus Torvalds1da177e2005-04-16 15:20:36 -07005549/* Since the card doesn't automatically switch to the right WEP mode,
5550 we will make it do it. If the card isn't associated, every secs we
5551 will switch WEP modes to see if that will help. If the card is
5552 associated we will check every minute to see if anything has
5553 changed. */
5554static void timer_func( struct net_device *dev ) {
5555 struct airo_info *apriv = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005556
5557/* We don't have a link so try changing the authtype */
5558 readConfigRid(apriv, 0);
5559 disable_MAC(apriv, 0);
5560 switch(apriv->config.authType) {
5561 case AUTH_ENCRYPT:
5562/* So drop to OPEN */
5563 apriv->config.authType = AUTH_OPEN;
5564 break;
5565 case AUTH_SHAREDKEY:
5566 if (apriv->keyindex < auto_wep) {
5567 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5568 apriv->config.authType = AUTH_SHAREDKEY;
5569 apriv->keyindex++;
5570 } else {
5571 /* Drop to ENCRYPT */
5572 apriv->keyindex = 0;
5573 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5574 apriv->config.authType = AUTH_ENCRYPT;
5575 }
5576 break;
5577 default: /* We'll escalate to SHAREDKEY */
5578 apriv->config.authType = AUTH_SHAREDKEY;
5579 }
5580 set_bit (FLAG_COMMIT, &apriv->flags);
5581 writeConfigRid(apriv, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005582 enable_MAC(apriv, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005583 up(&apriv->sem);
5584
5585/* Schedule check to see if the change worked */
Dan Williams3c304952006-04-15 12:26:18 -04005586 clear_bit(JOB_AUTOWEP, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005587 apriv->expires = RUN_AT(HZ*3);
5588}
5589
Linus Torvalds1da177e2005-04-16 15:20:36 -07005590#ifdef CONFIG_PCI
5591static int __devinit airo_pci_probe(struct pci_dev *pdev,
5592 const struct pci_device_id *pent)
5593{
5594 struct net_device *dev;
5595
5596 if (pci_enable_device(pdev))
5597 return -ENODEV;
5598 pci_set_master(pdev);
5599
5600 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5601 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5602 else
5603 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005604 if (!dev) {
5605 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005606 return -ENODEV;
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005607 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005608
5609 pci_set_drvdata(pdev, dev);
5610 return 0;
5611}
5612
5613static void __devexit airo_pci_remove(struct pci_dev *pdev)
5614{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005615 struct net_device *dev = pci_get_drvdata(pdev);
5616
5617 airo_print_info(dev->name, "Unregistering...");
5618 stop_airo_card(dev, 1);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005619 pci_disable_device(pdev);
5620 pci_set_drvdata(pdev, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005621}
5622
Pavel Machek05adc3b2005-04-16 15:25:25 -07005623static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005624{
5625 struct net_device *dev = pci_get_drvdata(pdev);
5626 struct airo_info *ai = dev->priv;
5627 Cmd cmd;
5628 Resp rsp;
5629
5630 if ((ai->APList == NULL) &&
5631 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5632 return -ENOMEM;
5633 if ((ai->SSID == NULL) &&
5634 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5635 return -ENOMEM;
5636 readAPListRid(ai, ai->APList);
5637 readSsidRid(ai, ai->SSID);
5638 memset(&cmd, 0, sizeof(cmd));
5639 /* the lock will be released at the end of the resume callback */
5640 if (down_interruptible(&ai->sem))
5641 return -EAGAIN;
5642 disable_MAC(ai, 0);
5643 netif_device_detach(dev);
5644 ai->power = state;
5645 cmd.cmd=HOSTSLEEP;
5646 issuecommand(ai, &cmd, &rsp);
5647
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005648 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005649 pci_save_state(pdev);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005650 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005651}
5652
5653static int airo_pci_resume(struct pci_dev *pdev)
5654{
5655 struct net_device *dev = pci_get_drvdata(pdev);
5656 struct airo_info *ai = dev->priv;
Michal Schmidt53232802005-10-04 07:46:21 -04005657 pci_power_t prev_state = pdev->current_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005658
Michal Schmidt53232802005-10-04 07:46:21 -04005659 pci_set_power_state(pdev, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005660 pci_restore_state(pdev);
Michal Schmidt53232802005-10-04 07:46:21 -04005661 pci_enable_wake(pdev, PCI_D0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005662
Michal Schmidt53232802005-10-04 07:46:21 -04005663 if (prev_state != PCI_D1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005664 reset_card(dev, 0);
5665 mpi_init_descriptors(ai);
5666 setup_card(ai, dev->dev_addr, 0);
5667 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5668 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5669 } else {
5670 OUT4500(ai, EVACK, EV_AWAKEN);
5671 OUT4500(ai, EVACK, EV_AWAKEN);
5672 msleep(100);
5673 }
5674
5675 set_bit (FLAG_COMMIT, &ai->flags);
5676 disable_MAC(ai, 0);
5677 msleep(200);
5678 if (ai->SSID) {
5679 writeSsidRid(ai, ai->SSID, 0);
5680 kfree(ai->SSID);
5681 ai->SSID = NULL;
5682 }
5683 if (ai->APList) {
5684 writeAPListRid(ai, ai->APList, 0);
5685 kfree(ai->APList);
5686 ai->APList = NULL;
5687 }
5688 writeConfigRid(ai, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005689 enable_MAC(ai, 0);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005690 ai->power = PMSG_ON;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005691 netif_device_attach(dev);
5692 netif_wake_queue(dev);
5693 enable_interrupts(ai);
5694 up(&ai->sem);
5695 return 0;
5696}
5697#endif
5698
5699static int __init airo_init_module( void )
5700{
Jeff Garzikde897882006-10-01 07:31:09 -04005701 int i;
5702#if 0
5703 int have_isa_dev = 0;
5704#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005705
5706 airo_entry = create_proc_entry("aironet",
5707 S_IFDIR | airo_perm,
5708 proc_root_driver);
Jeff Garzikde897882006-10-01 07:31:09 -04005709
5710 if (airo_entry) {
5711 airo_entry->uid = proc_uid;
5712 airo_entry->gid = proc_gid;
5713 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005714
5715 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005716 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5717 "io=0x%x", irq[i], io[i] );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005718 if (init_airo_card( irq[i], io[i], 0, NULL ))
Jeff Garzikde897882006-10-01 07:31:09 -04005719#if 0
Linus Torvalds1da177e2005-04-16 15:20:36 -07005720 have_isa_dev = 1;
Jeff Garzikde897882006-10-01 07:31:09 -04005721#else
5722 /* do nothing */ ;
5723#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005724 }
5725
5726#ifdef CONFIG_PCI
Dan Williams934d8bf2006-03-16 13:46:23 -05005727 airo_print_info("", "Probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005728 i = pci_register_driver(&airo_driver);
Dan Williams934d8bf2006-03-16 13:46:23 -05005729 airo_print_info("", "Finished probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005730
5731 if (i) {
5732 remove_proc_entry("aironet", proc_root_driver);
5733 return i;
5734 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005735#endif
5736
5737 /* Always exit with success, as we are a library module
5738 * as well as a driver module
5739 */
5740 return 0;
5741}
5742
5743static void __exit airo_cleanup_module( void )
5744{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005745 struct airo_info *ai;
5746 while(!list_empty(&airo_devices)) {
5747 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5748 airo_print_info(ai->dev->name, "Unregistering...");
5749 stop_airo_card(ai->dev, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005750 }
5751#ifdef CONFIG_PCI
5752 pci_unregister_driver(&airo_driver);
5753#endif
5754 remove_proc_entry("aironet", proc_root_driver);
5755}
5756
Linus Torvalds1da177e2005-04-16 15:20:36 -07005757/*
5758 * Initial Wireless Extension code for Aironet driver by :
5759 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5760 * Conversion to new driver API by :
5761 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5762 * Javier also did a good amount of work here, adding some new extensions
5763 * and fixing my code. Let's just say that without him this code just
5764 * would not work at all... - Jean II
5765 */
5766
Dan Williams41480af2005-05-10 09:45:51 -04005767static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5768{
5769 if( !rssi_rid )
5770 return 0;
5771
5772 return (0x100 - rssi_rid[rssi].rssidBm);
5773}
5774
5775static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5776{
5777 int i;
5778
5779 if( !rssi_rid )
5780 return 0;
5781
5782 for( i = 0; i < 256; i++ )
5783 if (rssi_rid[i].rssidBm == dbm)
5784 return rssi_rid[i].rssipct;
5785
5786 return 0;
5787}
5788
5789
Linus Torvalds1da177e2005-04-16 15:20:36 -07005790static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5791{
5792 int quality = 0;
5793
5794 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5795 if (memcmp(cap_rid->prodName, "350", 3))
5796 if (status_rid->signalQuality > 0x20)
5797 quality = 0;
5798 else
5799 quality = 0x20 - status_rid->signalQuality;
5800 else
5801 if (status_rid->signalQuality > 0xb0)
5802 quality = 0;
5803 else if (status_rid->signalQuality < 0x10)
5804 quality = 0xa0;
5805 else
5806 quality = 0xb0 - status_rid->signalQuality;
5807 }
5808 return quality;
5809}
5810
5811#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5812#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5813
5814/*------------------------------------------------------------------*/
5815/*
5816 * Wireless Handler : get protocol name
5817 */
5818static int airo_get_name(struct net_device *dev,
5819 struct iw_request_info *info,
5820 char *cwrq,
5821 char *extra)
5822{
5823 strcpy(cwrq, "IEEE 802.11-DS");
5824 return 0;
5825}
5826
5827/*------------------------------------------------------------------*/
5828/*
5829 * Wireless Handler : set frequency
5830 */
5831static int airo_set_freq(struct net_device *dev,
5832 struct iw_request_info *info,
5833 struct iw_freq *fwrq,
5834 char *extra)
5835{
5836 struct airo_info *local = dev->priv;
5837 int rc = -EINPROGRESS; /* Call commit handler */
5838
5839 /* If setting by frequency, convert to a channel */
5840 if((fwrq->e == 1) &&
5841 (fwrq->m >= (int) 2.412e8) &&
5842 (fwrq->m <= (int) 2.487e8)) {
5843 int f = fwrq->m / 100000;
5844 int c = 0;
5845 while((c < 14) && (f != frequency_list[c]))
5846 c++;
5847 /* Hack to fall through... */
5848 fwrq->e = 0;
5849 fwrq->m = c + 1;
5850 }
5851 /* Setting by channel number */
5852 if((fwrq->m > 1000) || (fwrq->e > 0))
5853 rc = -EOPNOTSUPP;
5854 else {
5855 int channel = fwrq->m;
5856 /* We should do a better check than that,
5857 * based on the card capability !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005858 if((channel < 1) || (channel > 14)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005859 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5860 fwrq->m);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005861 rc = -EINVAL;
5862 } else {
5863 readConfigRid(local, 1);
5864 /* Yes ! We can set it !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005865 local->config.channelSet = (u16) channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005866 set_bit (FLAG_COMMIT, &local->flags);
5867 }
5868 }
5869 return rc;
5870}
5871
5872/*------------------------------------------------------------------*/
5873/*
5874 * Wireless Handler : get frequency
5875 */
5876static int airo_get_freq(struct net_device *dev,
5877 struct iw_request_info *info,
5878 struct iw_freq *fwrq,
5879 char *extra)
5880{
5881 struct airo_info *local = dev->priv;
5882 StatusRid status_rid; /* Card status info */
Javier Achirica2610c732006-01-17 08:01:01 -05005883 int ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005884
5885 readConfigRid(local, 1);
5886 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5887 status_rid.channel = local->config.channelSet;
5888 else
5889 readStatusRid(local, &status_rid, 1);
5890
Javier Achirica2610c732006-01-17 08:01:01 -05005891 ch = (int)status_rid.channel;
5892 if((ch > 0) && (ch < 15)) {
5893 fwrq->m = frequency_list[ch - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005894 fwrq->e = 1;
Javier Achirica2610c732006-01-17 08:01:01 -05005895 } else {
5896 fwrq->m = ch;
5897 fwrq->e = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005898 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005899
5900 return 0;
5901}
5902
5903/*------------------------------------------------------------------*/
5904/*
5905 * Wireless Handler : set ESSID
5906 */
5907static int airo_set_essid(struct net_device *dev,
5908 struct iw_request_info *info,
5909 struct iw_point *dwrq,
5910 char *extra)
5911{
5912 struct airo_info *local = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005913 SsidRid SSID_rid; /* SSIDs */
5914
5915 /* Reload the list of current SSID */
5916 readSsidRid(local, &SSID_rid);
5917
5918 /* Check if we asked for `any' */
5919 if(dwrq->flags == 0) {
5920 /* Just send an empty SSID list */
5921 memset(&SSID_rid, 0, sizeof(SSID_rid));
5922 } else {
5923 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5924
5925 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005926 if(dwrq->length > IW_ESSID_MAX_SIZE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005927 return -E2BIG ;
5928 }
5929 /* Check if index is valid */
5930 if((index < 0) || (index >= 4)) {
5931 return -EINVAL;
5932 }
5933
5934 /* Set the SSID */
5935 memset(SSID_rid.ssids[index].ssid, 0,
5936 sizeof(SSID_rid.ssids[index].ssid));
5937 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005938 SSID_rid.ssids[index].len = dwrq->length;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005939 }
5940 SSID_rid.len = sizeof(SSID_rid);
5941 /* Write it to the card */
5942 disable_MAC(local, 1);
5943 writeSsidRid(local, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005944 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005945
5946 return 0;
5947}
5948
5949/*------------------------------------------------------------------*/
5950/*
5951 * Wireless Handler : get ESSID
5952 */
5953static int airo_get_essid(struct net_device *dev,
5954 struct iw_request_info *info,
5955 struct iw_point *dwrq,
5956 char *extra)
5957{
5958 struct airo_info *local = dev->priv;
5959 StatusRid status_rid; /* Card status info */
5960
5961 readStatusRid(local, &status_rid, 1);
5962
5963 /* Note : if dwrq->flags != 0, we should
5964 * get the relevant SSID from the SSID list... */
5965
5966 /* Get the current SSID */
5967 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005968 /* If none, we may want to get the one that was set */
5969
5970 /* Push it out ! */
Dan Williamsd6a13a22006-01-12 15:00:58 -05005971 dwrq->length = status_rid.SSIDlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005972 dwrq->flags = 1; /* active */
5973
5974 return 0;
5975}
5976
5977/*------------------------------------------------------------------*/
5978/*
5979 * Wireless Handler : set AP address
5980 */
5981static int airo_set_wap(struct net_device *dev,
5982 struct iw_request_info *info,
5983 struct sockaddr *awrq,
5984 char *extra)
5985{
5986 struct airo_info *local = dev->priv;
5987 Cmd cmd;
5988 Resp rsp;
5989 APListRid APList_rid;
Dan Williams4be757d2006-01-30 11:58:00 -05005990 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5991 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07005992
5993 if (awrq->sa_family != ARPHRD_ETHER)
5994 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05005995 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5996 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005997 memset(&cmd, 0, sizeof(cmd));
5998 cmd.cmd=CMD_LOSE_SYNC;
5999 if (down_interruptible(&local->sem))
6000 return -ERESTARTSYS;
6001 issuecommand(local, &cmd, &rsp);
6002 up(&local->sem);
6003 } else {
6004 memset(&APList_rid, 0, sizeof(APList_rid));
6005 APList_rid.len = sizeof(APList_rid);
6006 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6007 disable_MAC(local, 1);
6008 writeAPListRid(local, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02006009 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006010 }
6011 return 0;
6012}
6013
6014/*------------------------------------------------------------------*/
6015/*
6016 * Wireless Handler : get AP address
6017 */
6018static int airo_get_wap(struct net_device *dev,
6019 struct iw_request_info *info,
6020 struct sockaddr *awrq,
6021 char *extra)
6022{
6023 struct airo_info *local = dev->priv;
6024 StatusRid status_rid; /* Card status info */
6025
6026 readStatusRid(local, &status_rid, 1);
6027
6028 /* Tentative. This seems to work, wow, I'm lucky !!! */
6029 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6030 awrq->sa_family = ARPHRD_ETHER;
6031
6032 return 0;
6033}
6034
6035/*------------------------------------------------------------------*/
6036/*
6037 * Wireless Handler : set Nickname
6038 */
6039static int airo_set_nick(struct net_device *dev,
6040 struct iw_request_info *info,
6041 struct iw_point *dwrq,
6042 char *extra)
6043{
6044 struct airo_info *local = dev->priv;
6045
6046 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006047 if(dwrq->length > 16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006048 return -E2BIG;
6049 }
6050 readConfigRid(local, 1);
6051 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6052 memcpy(local->config.nodeName, extra, dwrq->length);
6053 set_bit (FLAG_COMMIT, &local->flags);
6054
6055 return -EINPROGRESS; /* Call commit handler */
6056}
6057
6058/*------------------------------------------------------------------*/
6059/*
6060 * Wireless Handler : get Nickname
6061 */
6062static int airo_get_nick(struct net_device *dev,
6063 struct iw_request_info *info,
6064 struct iw_point *dwrq,
6065 char *extra)
6066{
6067 struct airo_info *local = dev->priv;
6068
6069 readConfigRid(local, 1);
6070 strncpy(extra, local->config.nodeName, 16);
6071 extra[16] = '\0';
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006072 dwrq->length = strlen(extra);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006073
6074 return 0;
6075}
6076
6077/*------------------------------------------------------------------*/
6078/*
6079 * Wireless Handler : set Bit-Rate
6080 */
6081static int airo_set_rate(struct net_device *dev,
6082 struct iw_request_info *info,
6083 struct iw_param *vwrq,
6084 char *extra)
6085{
6086 struct airo_info *local = dev->priv;
6087 CapabilityRid cap_rid; /* Card capability info */
6088 u8 brate = 0;
6089 int i;
6090
6091 /* First : get a valid bit rate value */
6092 readCapabilityRid(local, &cap_rid, 1);
6093
6094 /* Which type of value ? */
6095 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6096 /* Setting by rate index */
6097 /* Find value in the magic rate table */
6098 brate = cap_rid.supportedRates[vwrq->value];
6099 } else {
6100 /* Setting by frequency value */
6101 u8 normvalue = (u8) (vwrq->value/500000);
6102
6103 /* Check if rate is valid */
6104 for(i = 0 ; i < 8 ; i++) {
6105 if(normvalue == cap_rid.supportedRates[i]) {
6106 brate = normvalue;
6107 break;
6108 }
6109 }
6110 }
6111 /* -1 designed the max rate (mostly auto mode) */
6112 if(vwrq->value == -1) {
6113 /* Get the highest available rate */
6114 for(i = 0 ; i < 8 ; i++) {
6115 if(cap_rid.supportedRates[i] == 0)
6116 break;
6117 }
6118 if(i != 0)
6119 brate = cap_rid.supportedRates[i - 1];
6120 }
6121 /* Check that it is valid */
6122 if(brate == 0) {
6123 return -EINVAL;
6124 }
6125
6126 readConfigRid(local, 1);
6127 /* Now, check if we want a fixed or auto value */
6128 if(vwrq->fixed == 0) {
6129 /* Fill all the rates up to this max rate */
6130 memset(local->config.rates, 0, 8);
6131 for(i = 0 ; i < 8 ; i++) {
6132 local->config.rates[i] = cap_rid.supportedRates[i];
6133 if(local->config.rates[i] == brate)
6134 break;
6135 }
6136 } else {
6137 /* Fixed mode */
6138 /* One rate, fixed */
6139 memset(local->config.rates, 0, 8);
6140 local->config.rates[0] = brate;
6141 }
6142 set_bit (FLAG_COMMIT, &local->flags);
6143
6144 return -EINPROGRESS; /* Call commit handler */
6145}
6146
6147/*------------------------------------------------------------------*/
6148/*
6149 * Wireless Handler : get Bit-Rate
6150 */
6151static int airo_get_rate(struct net_device *dev,
6152 struct iw_request_info *info,
6153 struct iw_param *vwrq,
6154 char *extra)
6155{
6156 struct airo_info *local = dev->priv;
6157 StatusRid status_rid; /* Card status info */
6158
6159 readStatusRid(local, &status_rid, 1);
6160
6161 vwrq->value = status_rid.currentXmitRate * 500000;
6162 /* If more than one rate, set auto */
6163 readConfigRid(local, 1);
6164 vwrq->fixed = (local->config.rates[1] == 0);
6165
6166 return 0;
6167}
6168
6169/*------------------------------------------------------------------*/
6170/*
6171 * Wireless Handler : set RTS threshold
6172 */
6173static int airo_set_rts(struct net_device *dev,
6174 struct iw_request_info *info,
6175 struct iw_param *vwrq,
6176 char *extra)
6177{
6178 struct airo_info *local = dev->priv;
6179 int rthr = vwrq->value;
6180
6181 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006182 rthr = AIRO_DEF_MTU;
6183 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006184 return -EINVAL;
6185 }
6186 readConfigRid(local, 1);
6187 local->config.rtsThres = rthr;
6188 set_bit (FLAG_COMMIT, &local->flags);
6189
6190 return -EINPROGRESS; /* Call commit handler */
6191}
6192
6193/*------------------------------------------------------------------*/
6194/*
6195 * Wireless Handler : get RTS threshold
6196 */
6197static int airo_get_rts(struct net_device *dev,
6198 struct iw_request_info *info,
6199 struct iw_param *vwrq,
6200 char *extra)
6201{
6202 struct airo_info *local = dev->priv;
6203
6204 readConfigRid(local, 1);
6205 vwrq->value = local->config.rtsThres;
Dan Williams15db2762006-03-16 13:46:27 -05006206 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006207 vwrq->fixed = 1;
6208
6209 return 0;
6210}
6211
6212/*------------------------------------------------------------------*/
6213/*
6214 * Wireless Handler : set Fragmentation threshold
6215 */
6216static int airo_set_frag(struct net_device *dev,
6217 struct iw_request_info *info,
6218 struct iw_param *vwrq,
6219 char *extra)
6220{
6221 struct airo_info *local = dev->priv;
6222 int fthr = vwrq->value;
6223
6224 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006225 fthr = AIRO_DEF_MTU;
6226 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006227 return -EINVAL;
6228 }
6229 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6230 readConfigRid(local, 1);
6231 local->config.fragThresh = (u16)fthr;
6232 set_bit (FLAG_COMMIT, &local->flags);
6233
6234 return -EINPROGRESS; /* Call commit handler */
6235}
6236
6237/*------------------------------------------------------------------*/
6238/*
6239 * Wireless Handler : get Fragmentation threshold
6240 */
6241static int airo_get_frag(struct net_device *dev,
6242 struct iw_request_info *info,
6243 struct iw_param *vwrq,
6244 char *extra)
6245{
6246 struct airo_info *local = dev->priv;
6247
6248 readConfigRid(local, 1);
6249 vwrq->value = local->config.fragThresh;
Dan Williams15db2762006-03-16 13:46:27 -05006250 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006251 vwrq->fixed = 1;
6252
6253 return 0;
6254}
6255
6256/*------------------------------------------------------------------*/
6257/*
6258 * Wireless Handler : set Mode of Operation
6259 */
6260static int airo_set_mode(struct net_device *dev,
6261 struct iw_request_info *info,
6262 __u32 *uwrq,
6263 char *extra)
6264{
6265 struct airo_info *local = dev->priv;
6266 int reset = 0;
6267
6268 readConfigRid(local, 1);
6269 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6270 reset = 1;
6271
6272 switch(*uwrq) {
6273 case IW_MODE_ADHOC:
6274 local->config.opmode &= 0xFF00;
6275 local->config.opmode |= MODE_STA_IBSS;
6276 local->config.rmode &= 0xfe00;
6277 local->config.scanMode = SCANMODE_ACTIVE;
6278 clear_bit (FLAG_802_11, &local->flags);
6279 break;
6280 case IW_MODE_INFRA:
6281 local->config.opmode &= 0xFF00;
6282 local->config.opmode |= MODE_STA_ESS;
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_MASTER:
6288 local->config.opmode &= 0xFF00;
6289 local->config.opmode |= MODE_AP;
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_REPEAT:
6295 local->config.opmode &= 0xFF00;
6296 local->config.opmode |= MODE_AP_RPTR;
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_MONITOR:
6302 local->config.opmode &= 0xFF00;
6303 local->config.opmode |= MODE_STA_ESS;
6304 local->config.rmode &= 0xfe00;
6305 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6306 local->config.scanMode = SCANMODE_PASSIVE;
6307 set_bit (FLAG_802_11, &local->flags);
6308 break;
6309 default:
6310 return -EINVAL;
6311 }
6312 if (reset)
6313 set_bit (FLAG_RESET, &local->flags);
6314 set_bit (FLAG_COMMIT, &local->flags);
6315
6316 return -EINPROGRESS; /* Call commit handler */
6317}
6318
6319/*------------------------------------------------------------------*/
6320/*
6321 * Wireless Handler : get Mode of Operation
6322 */
6323static int airo_get_mode(struct net_device *dev,
6324 struct iw_request_info *info,
6325 __u32 *uwrq,
6326 char *extra)
6327{
6328 struct airo_info *local = dev->priv;
6329
6330 readConfigRid(local, 1);
6331 /* If not managed, assume it's ad-hoc */
6332 switch (local->config.opmode & 0xFF) {
6333 case MODE_STA_ESS:
6334 *uwrq = IW_MODE_INFRA;
6335 break;
6336 case MODE_AP:
6337 *uwrq = IW_MODE_MASTER;
6338 break;
6339 case MODE_AP_RPTR:
6340 *uwrq = IW_MODE_REPEAT;
6341 break;
6342 default:
6343 *uwrq = IW_MODE_ADHOC;
6344 }
6345
6346 return 0;
6347}
6348
6349/*------------------------------------------------------------------*/
6350/*
6351 * Wireless Handler : set Encryption Key
6352 */
6353static int airo_set_encode(struct net_device *dev,
6354 struct iw_request_info *info,
6355 struct iw_point *dwrq,
6356 char *extra)
6357{
6358 struct airo_info *local = dev->priv;
6359 CapabilityRid cap_rid; /* Card capability info */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006360 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6361 u16 currentAuthType = local->config.authType;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006362
6363 /* Is WEP supported ? */
6364 readCapabilityRid(local, &cap_rid, 1);
6365 /* Older firmware doesn't support this...
6366 if(!(cap_rid.softCap & 2)) {
6367 return -EOPNOTSUPP;
6368 } */
6369 readConfigRid(local, 1);
6370
6371 /* Basic checking: do we have a key to set ?
6372 * Note : with the new API, it's impossible to get a NULL pointer.
6373 * Therefore, we need to check a key size == 0 instead.
6374 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6375 * when no key is present (only change flags), but older versions
6376 * don't do it. - Jean II */
6377 if (dwrq->length > 0) {
6378 wep_key_t key;
6379 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6380 int current_index = get_wep_key(local, 0xffff);
6381 /* Check the size of the key */
6382 if (dwrq->length > MAX_KEY_SIZE) {
6383 return -EINVAL;
6384 }
6385 /* Check the index (none -> use current) */
6386 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6387 index = current_index;
6388 /* Set the length */
6389 if (dwrq->length > MIN_KEY_SIZE)
6390 key.len = MAX_KEY_SIZE;
6391 else
6392 if (dwrq->length > 0)
6393 key.len = MIN_KEY_SIZE;
6394 else
6395 /* Disable the key */
6396 key.len = 0;
6397 /* Check if the key is not marked as invalid */
6398 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6399 /* Cleanup */
6400 memset(key.key, 0, MAX_KEY_SIZE);
6401 /* Copy the key in the driver */
6402 memcpy(key.key, extra, dwrq->length);
6403 /* Send the key to the card */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006404 set_wep_key(local, index, key.key, key.len, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006405 }
6406 /* WE specify that if a valid key is set, encryption
6407 * should be enabled (user may turn it off later)
6408 * This is also how "iwconfig ethX key on" works */
6409 if((index == current_index) && (key.len > 0) &&
6410 (local->config.authType == AUTH_OPEN)) {
6411 local->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006412 }
6413 } else {
6414 /* Do we want to just set the transmit key index ? */
6415 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6416 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
Dan Streetmanf89b2322005-11-11 11:41:42 -05006417 set_wep_key(local, index, NULL, 0, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006418 } else
6419 /* Don't complain if only change the mode */
6420 if(!dwrq->flags & IW_ENCODE_MODE) {
6421 return -EINVAL;
6422 }
6423 }
6424 /* Read the flags */
6425 if(dwrq->flags & IW_ENCODE_DISABLED)
6426 local->config.authType = AUTH_OPEN; // disable encryption
6427 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6428 local->config.authType = AUTH_SHAREDKEY; // Only Both
6429 if(dwrq->flags & IW_ENCODE_OPEN)
6430 local->config.authType = AUTH_ENCRYPT; // Only Wep
6431 /* Commit the changes to flags if needed */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006432 if (local->config.authType != currentAuthType)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006433 set_bit (FLAG_COMMIT, &local->flags);
6434 return -EINPROGRESS; /* Call commit handler */
6435}
6436
6437/*------------------------------------------------------------------*/
6438/*
6439 * Wireless Handler : get Encryption Key
6440 */
6441static int airo_get_encode(struct net_device *dev,
6442 struct iw_request_info *info,
6443 struct iw_point *dwrq,
6444 char *extra)
6445{
6446 struct airo_info *local = dev->priv;
6447 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6448 CapabilityRid cap_rid; /* Card capability info */
6449
6450 /* Is it supported ? */
6451 readCapabilityRid(local, &cap_rid, 1);
6452 if(!(cap_rid.softCap & 2)) {
6453 return -EOPNOTSUPP;
6454 }
6455 readConfigRid(local, 1);
6456 /* Check encryption mode */
6457 switch(local->config.authType) {
6458 case AUTH_ENCRYPT:
6459 dwrq->flags = IW_ENCODE_OPEN;
6460 break;
6461 case AUTH_SHAREDKEY:
6462 dwrq->flags = IW_ENCODE_RESTRICTED;
6463 break;
6464 default:
6465 case AUTH_OPEN:
6466 dwrq->flags = IW_ENCODE_DISABLED;
6467 break;
6468 }
6469 /* We can't return the key, so set the proper flag and return zero */
6470 dwrq->flags |= IW_ENCODE_NOKEY;
6471 memset(extra, 0, 16);
6472
6473 /* Which key do we want ? -1 -> tx index */
6474 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6475 index = get_wep_key(local, 0xffff);
6476 dwrq->flags |= index + 1;
6477 /* Copy the key to the user buffer */
6478 dwrq->length = get_wep_key(local, index);
6479 if (dwrq->length > 16) {
6480 dwrq->length=0;
6481 }
6482 return 0;
6483}
6484
6485/*------------------------------------------------------------------*/
6486/*
Dan Williams4be757d2006-01-30 11:58:00 -05006487 * Wireless Handler : set extended Encryption parameters
6488 */
6489static int airo_set_encodeext(struct net_device *dev,
6490 struct iw_request_info *info,
6491 union iwreq_data *wrqu,
6492 char *extra)
6493{
6494 struct airo_info *local = dev->priv;
6495 struct iw_point *encoding = &wrqu->encoding;
6496 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6497 CapabilityRid cap_rid; /* Card capability info */
6498 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6499 u16 currentAuthType = local->config.authType;
Dan Williams22d88462006-02-05 18:00:30 -05006500 int idx, key_len, alg = ext->alg, set_key = 1;
Dan Williams4be757d2006-01-30 11:58:00 -05006501 wep_key_t key;
6502
6503 /* Is WEP supported ? */
6504 readCapabilityRid(local, &cap_rid, 1);
6505 /* Older firmware doesn't support this...
6506 if(!(cap_rid.softCap & 2)) {
6507 return -EOPNOTSUPP;
6508 } */
6509 readConfigRid(local, 1);
6510
6511 /* Determine and validate the key index */
6512 idx = encoding->flags & IW_ENCODE_INDEX;
6513 if (idx) {
6514 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6515 return -EINVAL;
6516 idx--;
6517 } else
6518 idx = get_wep_key(local, 0xffff);
6519
6520 if (encoding->flags & IW_ENCODE_DISABLED)
6521 alg = IW_ENCODE_ALG_NONE;
6522
Dan Williams4be757d2006-01-30 11:58:00 -05006523 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
Dan Williams22d88462006-02-05 18:00:30 -05006524 /* Only set transmit key index here, actual
6525 * key is set below if needed.
6526 */
Dan Williams4be757d2006-01-30 11:58:00 -05006527 set_wep_key(local, idx, NULL, 0, perm, 1);
Dan Williams22d88462006-02-05 18:00:30 -05006528 set_key = ext->key_len > 0 ? 1 : 0;
6529 }
6530
6531 if (set_key) {
Dan Williams4be757d2006-01-30 11:58:00 -05006532 /* Set the requested key first */
6533 memset(key.key, 0, MAX_KEY_SIZE);
6534 switch (alg) {
6535 case IW_ENCODE_ALG_NONE:
6536 key.len = 0;
6537 break;
6538 case IW_ENCODE_ALG_WEP:
6539 if (ext->key_len > MIN_KEY_SIZE) {
6540 key.len = MAX_KEY_SIZE;
6541 } else if (ext->key_len > 0) {
6542 key.len = MIN_KEY_SIZE;
6543 } else {
6544 return -EINVAL;
6545 }
6546 key_len = min (ext->key_len, key.len);
6547 memcpy(key.key, ext->key, key_len);
6548 break;
6549 default:
6550 return -EINVAL;
6551 }
6552 /* Send the key to the card */
6553 set_wep_key(local, idx, key.key, key.len, perm, 1);
6554 }
6555
6556 /* Read the flags */
6557 if(encoding->flags & IW_ENCODE_DISABLED)
6558 local->config.authType = AUTH_OPEN; // disable encryption
6559 if(encoding->flags & IW_ENCODE_RESTRICTED)
6560 local->config.authType = AUTH_SHAREDKEY; // Only Both
6561 if(encoding->flags & IW_ENCODE_OPEN)
6562 local->config.authType = AUTH_ENCRYPT; // Only Wep
6563 /* Commit the changes to flags if needed */
6564 if (local->config.authType != currentAuthType)
6565 set_bit (FLAG_COMMIT, &local->flags);
6566
6567 return -EINPROGRESS;
6568}
6569
6570
6571/*------------------------------------------------------------------*/
6572/*
6573 * Wireless Handler : get extended Encryption parameters
6574 */
6575static int airo_get_encodeext(struct net_device *dev,
6576 struct iw_request_info *info,
6577 union iwreq_data *wrqu,
6578 char *extra)
6579{
6580 struct airo_info *local = dev->priv;
6581 struct iw_point *encoding = &wrqu->encoding;
6582 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6583 CapabilityRid cap_rid; /* Card capability info */
6584 int idx, max_key_len;
6585
6586 /* Is it supported ? */
6587 readCapabilityRid(local, &cap_rid, 1);
6588 if(!(cap_rid.softCap & 2)) {
6589 return -EOPNOTSUPP;
6590 }
6591 readConfigRid(local, 1);
6592
6593 max_key_len = encoding->length - sizeof(*ext);
6594 if (max_key_len < 0)
6595 return -EINVAL;
6596
6597 idx = encoding->flags & IW_ENCODE_INDEX;
6598 if (idx) {
6599 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6600 return -EINVAL;
6601 idx--;
6602 } else
6603 idx = get_wep_key(local, 0xffff);
6604
6605 encoding->flags = idx + 1;
6606 memset(ext, 0, sizeof(*ext));
6607
6608 /* Check encryption mode */
6609 switch(local->config.authType) {
6610 case AUTH_ENCRYPT:
6611 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6612 break;
6613 case AUTH_SHAREDKEY:
6614 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6615 break;
6616 default:
6617 case AUTH_OPEN:
6618 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6619 break;
6620 }
6621 /* We can't return the key, so set the proper flag and return zero */
6622 encoding->flags |= IW_ENCODE_NOKEY;
6623 memset(extra, 0, 16);
6624
6625 /* Copy the key to the user buffer */
6626 ext->key_len = get_wep_key(local, idx);
6627 if (ext->key_len > 16) {
6628 ext->key_len=0;
6629 }
6630
6631 return 0;
6632}
6633
6634
6635/*------------------------------------------------------------------*/
6636/*
6637 * Wireless Handler : set extended authentication parameters
6638 */
6639static int airo_set_auth(struct net_device *dev,
6640 struct iw_request_info *info,
6641 union iwreq_data *wrqu, char *extra)
6642{
6643 struct airo_info *local = dev->priv;
6644 struct iw_param *param = &wrqu->param;
6645 u16 currentAuthType = local->config.authType;
6646
6647 switch (param->flags & IW_AUTH_INDEX) {
6648 case IW_AUTH_WPA_VERSION:
6649 case IW_AUTH_CIPHER_PAIRWISE:
6650 case IW_AUTH_CIPHER_GROUP:
6651 case IW_AUTH_KEY_MGMT:
6652 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6653 case IW_AUTH_PRIVACY_INVOKED:
6654 /*
6655 * airo does not use these parameters
6656 */
6657 break;
6658
6659 case IW_AUTH_DROP_UNENCRYPTED:
6660 if (param->value) {
6661 /* Only change auth type if unencrypted */
6662 if (currentAuthType == AUTH_OPEN)
6663 local->config.authType = AUTH_ENCRYPT;
6664 } else {
6665 local->config.authType = AUTH_OPEN;
6666 }
6667
6668 /* Commit the changes to flags if needed */
6669 if (local->config.authType != currentAuthType)
6670 set_bit (FLAG_COMMIT, &local->flags);
6671 break;
6672
6673 case IW_AUTH_80211_AUTH_ALG: {
6674 /* FIXME: What about AUTH_OPEN? This API seems to
6675 * disallow setting our auth to AUTH_OPEN.
6676 */
6677 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6678 local->config.authType = AUTH_SHAREDKEY;
6679 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6680 local->config.authType = AUTH_ENCRYPT;
6681 } else
6682 return -EINVAL;
6683 break;
6684
6685 /* Commit the changes to flags if needed */
6686 if (local->config.authType != currentAuthType)
6687 set_bit (FLAG_COMMIT, &local->flags);
6688 }
6689
6690 case IW_AUTH_WPA_ENABLED:
6691 /* Silently accept disable of WPA */
6692 if (param->value > 0)
6693 return -EOPNOTSUPP;
6694 break;
6695
6696 default:
6697 return -EOPNOTSUPP;
6698 }
6699 return -EINPROGRESS;
6700}
6701
6702
6703/*------------------------------------------------------------------*/
6704/*
6705 * Wireless Handler : get extended authentication parameters
6706 */
6707static int airo_get_auth(struct net_device *dev,
6708 struct iw_request_info *info,
6709 union iwreq_data *wrqu, char *extra)
6710{
6711 struct airo_info *local = dev->priv;
6712 struct iw_param *param = &wrqu->param;
6713 u16 currentAuthType = local->config.authType;
6714
6715 switch (param->flags & IW_AUTH_INDEX) {
6716 case IW_AUTH_DROP_UNENCRYPTED:
6717 switch (currentAuthType) {
6718 case AUTH_SHAREDKEY:
6719 case AUTH_ENCRYPT:
6720 param->value = 1;
6721 break;
6722 default:
6723 param->value = 0;
6724 break;
6725 }
6726 break;
6727
6728 case IW_AUTH_80211_AUTH_ALG:
6729 switch (currentAuthType) {
6730 case AUTH_SHAREDKEY:
6731 param->value = IW_AUTH_ALG_SHARED_KEY;
6732 break;
6733 case AUTH_ENCRYPT:
6734 default:
6735 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6736 break;
6737 }
6738 break;
6739
6740 case IW_AUTH_WPA_ENABLED:
6741 param->value = 0;
6742 break;
6743
6744 default:
6745 return -EOPNOTSUPP;
6746 }
6747 return 0;
6748}
6749
6750
6751/*------------------------------------------------------------------*/
6752/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07006753 * Wireless Handler : set Tx-Power
6754 */
6755static int airo_set_txpow(struct net_device *dev,
6756 struct iw_request_info *info,
6757 struct iw_param *vwrq,
6758 char *extra)
6759{
6760 struct airo_info *local = dev->priv;
6761 CapabilityRid cap_rid; /* Card capability info */
6762 int i;
6763 int rc = -EINVAL;
6764
6765 readCapabilityRid(local, &cap_rid, 1);
6766
6767 if (vwrq->disabled) {
6768 set_bit (FLAG_RADIO_OFF, &local->flags);
6769 set_bit (FLAG_COMMIT, &local->flags);
6770 return -EINPROGRESS; /* Call commit handler */
6771 }
6772 if (vwrq->flags != IW_TXPOW_MWATT) {
6773 return -EINVAL;
6774 }
6775 clear_bit (FLAG_RADIO_OFF, &local->flags);
6776 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6777 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6778 readConfigRid(local, 1);
6779 local->config.txPower = vwrq->value;
6780 set_bit (FLAG_COMMIT, &local->flags);
6781 rc = -EINPROGRESS; /* Call commit handler */
6782 break;
6783 }
6784 return rc;
6785}
6786
6787/*------------------------------------------------------------------*/
6788/*
6789 * Wireless Handler : get Tx-Power
6790 */
6791static int airo_get_txpow(struct net_device *dev,
6792 struct iw_request_info *info,
6793 struct iw_param *vwrq,
6794 char *extra)
6795{
6796 struct airo_info *local = dev->priv;
6797
6798 readConfigRid(local, 1);
6799 vwrq->value = local->config.txPower;
6800 vwrq->fixed = 1; /* No power control */
6801 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6802 vwrq->flags = IW_TXPOW_MWATT;
6803
6804 return 0;
6805}
6806
6807/*------------------------------------------------------------------*/
6808/*
6809 * Wireless Handler : set Retry limits
6810 */
6811static int airo_set_retry(struct net_device *dev,
6812 struct iw_request_info *info,
6813 struct iw_param *vwrq,
6814 char *extra)
6815{
6816 struct airo_info *local = dev->priv;
6817 int rc = -EINVAL;
6818
6819 if(vwrq->disabled) {
6820 return -EINVAL;
6821 }
6822 readConfigRid(local, 1);
6823 if(vwrq->flags & IW_RETRY_LIMIT) {
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006824 if(vwrq->flags & IW_RETRY_LONG)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006825 local->config.longRetryLimit = vwrq->value;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006826 else if (vwrq->flags & IW_RETRY_SHORT)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006827 local->config.shortRetryLimit = vwrq->value;
6828 else {
6829 /* No modifier : set both */
6830 local->config.longRetryLimit = vwrq->value;
6831 local->config.shortRetryLimit = vwrq->value;
6832 }
6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6835 }
6836 if(vwrq->flags & IW_RETRY_LIFETIME) {
6837 local->config.txLifetime = vwrq->value / 1024;
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6840 }
6841 return rc;
6842}
6843
6844/*------------------------------------------------------------------*/
6845/*
6846 * Wireless Handler : get Retry limits
6847 */
6848static int airo_get_retry(struct net_device *dev,
6849 struct iw_request_info *info,
6850 struct iw_param *vwrq,
6851 char *extra)
6852{
6853 struct airo_info *local = dev->priv;
6854
6855 vwrq->disabled = 0; /* Can't be disabled */
6856
6857 readConfigRid(local, 1);
6858 /* Note : by default, display the min retry number */
6859 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6860 vwrq->flags = IW_RETRY_LIFETIME;
6861 vwrq->value = (int)local->config.txLifetime * 1024;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006862 } else if((vwrq->flags & IW_RETRY_LONG)) {
6863 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006864 vwrq->value = (int)local->config.longRetryLimit;
6865 } else {
6866 vwrq->flags = IW_RETRY_LIMIT;
6867 vwrq->value = (int)local->config.shortRetryLimit;
6868 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006869 vwrq->flags |= IW_RETRY_SHORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006870 }
6871
6872 return 0;
6873}
6874
6875/*------------------------------------------------------------------*/
6876/*
6877 * Wireless Handler : get range info
6878 */
6879static int airo_get_range(struct net_device *dev,
6880 struct iw_request_info *info,
6881 struct iw_point *dwrq,
6882 char *extra)
6883{
6884 struct airo_info *local = dev->priv;
6885 struct iw_range *range = (struct iw_range *) extra;
6886 CapabilityRid cap_rid; /* Card capability info */
6887 int i;
6888 int k;
6889
6890 readCapabilityRid(local, &cap_rid, 1);
6891
6892 dwrq->length = sizeof(struct iw_range);
6893 memset(range, 0, sizeof(*range));
6894 range->min_nwid = 0x0000;
6895 range->max_nwid = 0x0000;
6896 range->num_channels = 14;
6897 /* Should be based on cap_rid.country to give only
6898 * what the current card support */
6899 k = 0;
6900 for(i = 0; i < 14; i++) {
6901 range->freq[k].i = i + 1; /* List index */
6902 range->freq[k].m = frequency_list[i] * 100000;
6903 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6904 }
6905 range->num_frequency = k;
6906
Linus Torvalds1da177e2005-04-16 15:20:36 -07006907 range->sensitivity = 65535;
6908
Dan Williams41480af2005-05-10 09:45:51 -04006909 /* Hum... Should put the right values there */
6910 if (local->rssi)
6911 range->max_qual.qual = 100; /* % */
6912 else
6913 range->max_qual.qual = airo_get_max_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006914 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6915 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006916
6917 /* Experimental measurements - boundary 11/5.5 Mb/s */
6918 /* Note : with or without the (local->rssi), results
6919 * are somewhat different. - Jean II */
6920 if (local->rssi) {
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006921 range->avg_qual.qual = 50; /* % */
6922 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006923 } else {
6924 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006925 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006926 }
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006927 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006928
Linus Torvalds1da177e2005-04-16 15:20:36 -07006929 for(i = 0 ; i < 8 ; i++) {
6930 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6931 if(range->bitrate[i] == 0)
6932 break;
6933 }
6934 range->num_bitrates = i;
6935
6936 /* Set an indication of the max TCP throughput
6937 * in bit/s that we can expect using this interface.
6938 * May be use for QoS stuff... Jean II */
6939 if(i > 2)
6940 range->throughput = 5000 * 1000;
6941 else
6942 range->throughput = 1500 * 1000;
6943
6944 range->min_rts = 0;
Dan Williams15db2762006-03-16 13:46:27 -05006945 range->max_rts = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006946 range->min_frag = 256;
Dan Williams15db2762006-03-16 13:46:27 -05006947 range->max_frag = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006948
6949 if(cap_rid.softCap & 2) {
6950 // WEP: RC4 40 bits
6951 range->encoding_size[0] = 5;
6952 // RC4 ~128 bits
6953 if (cap_rid.softCap & 0x100) {
6954 range->encoding_size[1] = 13;
6955 range->num_encoding_sizes = 2;
6956 } else
6957 range->num_encoding_sizes = 1;
6958 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6959 } else {
6960 range->num_encoding_sizes = 0;
6961 range->max_encoding_tokens = 0;
6962 }
6963 range->min_pmp = 0;
6964 range->max_pmp = 5000000; /* 5 secs */
6965 range->min_pmt = 0;
6966 range->max_pmt = 65535 * 1024; /* ??? */
6967 range->pmp_flags = IW_POWER_PERIOD;
6968 range->pmt_flags = IW_POWER_TIMEOUT;
6969 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6970
6971 /* Transmit Power - values are in mW */
6972 for(i = 0 ; i < 8 ; i++) {
6973 range->txpower[i] = cap_rid.txPowerLevels[i];
6974 if(range->txpower[i] == 0)
6975 break;
6976 }
6977 range->num_txpower = i;
6978 range->txpower_capa = IW_TXPOW_MWATT;
Dan Williams3c304952006-04-15 12:26:18 -04006979 range->we_version_source = 19;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006980 range->we_version_compiled = WIRELESS_EXT;
6981 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6982 range->retry_flags = IW_RETRY_LIMIT;
6983 range->r_time_flags = IW_RETRY_LIFETIME;
6984 range->min_retry = 1;
6985 range->max_retry = 65535;
6986 range->min_r_time = 1024;
6987 range->max_r_time = 65535 * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006988
6989 /* Event capability (kernel + driver) */
6990 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6991 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6993 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6994 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6995 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6996 return 0;
6997}
6998
6999/*------------------------------------------------------------------*/
7000/*
7001 * Wireless Handler : set Power Management
7002 */
7003static int airo_set_power(struct net_device *dev,
7004 struct iw_request_info *info,
7005 struct iw_param *vwrq,
7006 char *extra)
7007{
7008 struct airo_info *local = dev->priv;
7009
7010 readConfigRid(local, 1);
7011 if (vwrq->disabled) {
7012 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7013 return -EINVAL;
7014 }
7015 local->config.powerSaveMode = POWERSAVE_CAM;
7016 local->config.rmode &= 0xFF00;
7017 local->config.rmode |= RXMODE_BC_MC_ADDR;
7018 set_bit (FLAG_COMMIT, &local->flags);
7019 return -EINPROGRESS; /* Call commit handler */
7020 }
7021 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7022 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7023 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7024 set_bit (FLAG_COMMIT, &local->flags);
7025 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7026 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7027 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7028 set_bit (FLAG_COMMIT, &local->flags);
7029 }
7030 switch (vwrq->flags & IW_POWER_MODE) {
7031 case IW_POWER_UNICAST_R:
7032 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7033 return -EINVAL;
7034 }
7035 local->config.rmode &= 0xFF00;
7036 local->config.rmode |= RXMODE_ADDR;
7037 set_bit (FLAG_COMMIT, &local->flags);
7038 break;
7039 case IW_POWER_ALL_R:
7040 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7041 return -EINVAL;
7042 }
7043 local->config.rmode &= 0xFF00;
7044 local->config.rmode |= RXMODE_BC_MC_ADDR;
7045 set_bit (FLAG_COMMIT, &local->flags);
7046 case IW_POWER_ON:
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07007047 /* This is broken, fixme ;-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007048 break;
7049 default:
7050 return -EINVAL;
7051 }
7052 // Note : we may want to factor local->need_commit here
7053 // Note2 : may also want to factor RXMODE_RFMON test
7054 return -EINPROGRESS; /* Call commit handler */
7055}
7056
7057/*------------------------------------------------------------------*/
7058/*
7059 * Wireless Handler : get Power Management
7060 */
7061static int airo_get_power(struct net_device *dev,
7062 struct iw_request_info *info,
7063 struct iw_param *vwrq,
7064 char *extra)
7065{
7066 struct airo_info *local = dev->priv;
7067 int mode;
7068
7069 readConfigRid(local, 1);
7070 mode = local->config.powerSaveMode;
7071 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7072 return 0;
7073 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7074 vwrq->value = (int)local->config.fastListenDelay * 1024;
7075 vwrq->flags = IW_POWER_TIMEOUT;
7076 } else {
7077 vwrq->value = (int)local->config.fastListenInterval * 1024;
7078 vwrq->flags = IW_POWER_PERIOD;
7079 }
7080 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7081 vwrq->flags |= IW_POWER_UNICAST_R;
7082 else
7083 vwrq->flags |= IW_POWER_ALL_R;
7084
7085 return 0;
7086}
7087
7088/*------------------------------------------------------------------*/
7089/*
7090 * Wireless Handler : set Sensitivity
7091 */
7092static int airo_set_sens(struct net_device *dev,
7093 struct iw_request_info *info,
7094 struct iw_param *vwrq,
7095 char *extra)
7096{
7097 struct airo_info *local = dev->priv;
7098
7099 readConfigRid(local, 1);
7100 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7101 set_bit (FLAG_COMMIT, &local->flags);
7102
7103 return -EINPROGRESS; /* Call commit handler */
7104}
7105
7106/*------------------------------------------------------------------*/
7107/*
7108 * Wireless Handler : get Sensitivity
7109 */
7110static int airo_get_sens(struct net_device *dev,
7111 struct iw_request_info *info,
7112 struct iw_param *vwrq,
7113 char *extra)
7114{
7115 struct airo_info *local = dev->priv;
7116
7117 readConfigRid(local, 1);
7118 vwrq->value = local->config.rssiThreshold;
7119 vwrq->disabled = (vwrq->value == 0);
7120 vwrq->fixed = 1;
7121
7122 return 0;
7123}
7124
7125/*------------------------------------------------------------------*/
7126/*
7127 * Wireless Handler : get AP List
7128 * Note : this is deprecated in favor of IWSCAN
7129 */
7130static int airo_get_aplist(struct net_device *dev,
7131 struct iw_request_info *info,
7132 struct iw_point *dwrq,
7133 char *extra)
7134{
7135 struct airo_info *local = dev->priv;
7136 struct sockaddr *address = (struct sockaddr *) extra;
7137 struct iw_quality qual[IW_MAX_AP];
7138 BSSListRid BSSList;
7139 int i;
7140 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7141
7142 for (i = 0; i < IW_MAX_AP; i++) {
7143 if (readBSSListRid(local, loseSync, &BSSList))
7144 break;
7145 loseSync = 0;
7146 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7147 address[i].sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007148 if (local->rssi) {
7149 qual[i].level = 0x100 - BSSList.dBm;
7150 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007151 qual[i].updated = IW_QUAL_QUAL_UPDATED
7152 | IW_QUAL_LEVEL_UPDATED
7153 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007154 } else {
7155 qual[i].level = (BSSList.dBm + 321) / 2;
7156 qual[i].qual = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007157 qual[i].updated = IW_QUAL_QUAL_INVALID
7158 | IW_QUAL_LEVEL_UPDATED
7159 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007160 }
7161 qual[i].noise = local->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007162 if (BSSList.index == 0xffff)
7163 break;
7164 }
7165 if (!i) {
7166 StatusRid status_rid; /* Card status info */
7167 readStatusRid(local, &status_rid, 1);
7168 for (i = 0;
7169 i < min(IW_MAX_AP, 4) &&
7170 (status_rid.bssid[i][0]
7171 & status_rid.bssid[i][1]
7172 & status_rid.bssid[i][2]
7173 & status_rid.bssid[i][3]
7174 & status_rid.bssid[i][4]
7175 & status_rid.bssid[i][5])!=0xff &&
7176 (status_rid.bssid[i][0]
7177 | status_rid.bssid[i][1]
7178 | status_rid.bssid[i][2]
7179 | status_rid.bssid[i][3]
7180 | status_rid.bssid[i][4]
7181 | status_rid.bssid[i][5]);
7182 i++) {
7183 memcpy(address[i].sa_data,
7184 status_rid.bssid[i], ETH_ALEN);
7185 address[i].sa_family = ARPHRD_ETHER;
7186 }
7187 } else {
7188 dwrq->flags = 1; /* Should be define'd */
7189 memcpy(extra + sizeof(struct sockaddr)*i,
7190 &qual, sizeof(struct iw_quality)*i);
7191 }
7192 dwrq->length = i;
7193
7194 return 0;
7195}
7196
7197/*------------------------------------------------------------------*/
7198/*
7199 * Wireless Handler : Initiate Scan
7200 */
7201static int airo_set_scan(struct net_device *dev,
7202 struct iw_request_info *info,
7203 struct iw_param *vwrq,
7204 char *extra)
7205{
7206 struct airo_info *ai = dev->priv;
7207 Cmd cmd;
7208 Resp rsp;
Dan Williams9e75af32006-03-16 13:46:29 -05007209 int wake = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007210
7211 /* Note : you may have realised that, as this is a SET operation,
7212 * this is privileged and therefore a normal user can't
7213 * perform scanning.
7214 * This is not an error, while the device perform scanning,
7215 * traffic doesn't flow, so it's a perfect DoS...
7216 * Jean II */
7217 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7218
Dan Williams9e75af32006-03-16 13:46:29 -05007219 if (down_interruptible(&ai->sem))
7220 return -ERESTARTSYS;
7221
7222 /* If there's already a scan in progress, don't
7223 * trigger another one. */
7224 if (ai->scan_timeout > 0)
7225 goto out;
7226
Linus Torvalds1da177e2005-04-16 15:20:36 -07007227 /* Initiate a scan command */
Dan Williams6fcdf562006-03-31 15:08:46 -05007228 ai->scan_timeout = RUN_AT(3*HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007229 memset(&cmd, 0, sizeof(cmd));
7230 cmd.cmd=CMD_LISTBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007231 issuecommand(ai, &cmd, &rsp);
Dan Williams9e75af32006-03-16 13:46:29 -05007232 wake = 1;
7233
7234out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07007235 up(&ai->sem);
Dan Williams9e75af32006-03-16 13:46:29 -05007236 if (wake)
7237 wake_up_interruptible(&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007238 return 0;
7239}
7240
7241/*------------------------------------------------------------------*/
7242/*
7243 * Translate scan data returned from the card to a card independent
7244 * format that the Wireless Tools will understand - Jean II
7245 */
7246static inline char *airo_translate_scan(struct net_device *dev,
7247 char *current_ev,
7248 char *end_buf,
Dan Williams41480af2005-05-10 09:45:51 -04007249 BSSListRid *bss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007250{
7251 struct airo_info *ai = dev->priv;
7252 struct iw_event iwe; /* Temporary buffer */
7253 u16 capabilities;
7254 char * current_val; /* For rates */
7255 int i;
Dan Williams3c304952006-04-15 12:26:18 -04007256 char * buf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007257
7258 /* First entry *MUST* be the AP MAC address */
7259 iwe.cmd = SIOCGIWAP;
7260 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007261 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007262 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7263
7264 /* Other entries will be displayed in the order we give them */
7265
7266 /* Add the ESSID */
Dan Williams41480af2005-05-10 09:45:51 -04007267 iwe.u.data.length = bss->ssidLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007268 if(iwe.u.data.length > 32)
7269 iwe.u.data.length = 32;
7270 iwe.cmd = SIOCGIWESSID;
7271 iwe.u.data.flags = 1;
Dan Williams41480af2005-05-10 09:45:51 -04007272 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007273
7274 /* Add mode */
7275 iwe.cmd = SIOCGIWMODE;
Dan Williams41480af2005-05-10 09:45:51 -04007276 capabilities = le16_to_cpu(bss->cap);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007277 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7278 if(capabilities & CAP_ESS)
7279 iwe.u.mode = IW_MODE_MASTER;
7280 else
7281 iwe.u.mode = IW_MODE_ADHOC;
7282 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7283 }
7284
7285 /* Add frequency */
7286 iwe.cmd = SIOCGIWFREQ;
Dan Williams41480af2005-05-10 09:45:51 -04007287 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
matthieu castet11414552005-09-12 23:31:39 +02007288 /* iwe.u.freq.m containt the channel (starting 1), our
7289 * frequency_list array start at index 0...
7290 */
7291 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007292 iwe.u.freq.e = 1;
7293 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7294
7295 /* Add quality statistics */
7296 iwe.cmd = IWEVQUAL;
Dan Williams41480af2005-05-10 09:45:51 -04007297 if (ai->rssi) {
7298 iwe.u.qual.level = 0x100 - bss->dBm;
7299 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007300 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7301 | IW_QUAL_LEVEL_UPDATED
7302 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007303 } else {
7304 iwe.u.qual.level = (bss->dBm + 321) / 2;
7305 iwe.u.qual.qual = 0;
Jeff Garzikbbeec902005-09-07 00:27:54 -04007306 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007307 | IW_QUAL_LEVEL_UPDATED
7308 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007309 }
7310 iwe.u.qual.noise = ai->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007311 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7312
7313 /* Add encryption capability */
7314 iwe.cmd = SIOCGIWENCODE;
7315 if(capabilities & CAP_PRIVACY)
7316 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7317 else
7318 iwe.u.data.flags = IW_ENCODE_DISABLED;
7319 iwe.u.data.length = 0;
Dan Williams41480af2005-05-10 09:45:51 -04007320 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007321
7322 /* Rate : stuffing multiple values in a single event require a bit
7323 * more of magic - Jean II */
7324 current_val = current_ev + IW_EV_LCP_LEN;
7325
7326 iwe.cmd = SIOCGIWRATE;
7327 /* Those two flags are ignored... */
7328 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7329 /* Max 8 values */
7330 for(i = 0 ; i < 8 ; i++) {
7331 /* NULL terminated */
Dan Williams41480af2005-05-10 09:45:51 -04007332 if(bss->rates[i] == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007333 break;
7334 /* Bit rate given in 500 kb/s units (+ 0x80) */
Dan Williams41480af2005-05-10 09:45:51 -04007335 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007336 /* Add new value to event */
7337 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7338 }
7339 /* Check if we added any event */
7340 if((current_val - current_ev) > IW_EV_LCP_LEN)
7341 current_ev = current_val;
7342
Dan Williams3c304952006-04-15 12:26:18 -04007343 /* Beacon interval */
7344 buf = kmalloc(30, GFP_KERNEL);
7345 if (buf) {
7346 iwe.cmd = IWEVCUSTOM;
7347 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7348 iwe.u.data.length = strlen(buf);
7349 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7350 kfree(buf);
7351 }
7352
7353 /* Put WPA/RSN Information Elements into the event stream */
7354 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7355 unsigned int num_null_ies = 0;
7356 u16 length = sizeof (bss->extra.iep);
7357 struct ieee80211_info_element *info_element =
7358 (struct ieee80211_info_element *) &bss->extra.iep;
7359
7360 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7361 if (sizeof(*info_element) + info_element->len > length) {
7362 /* Invalid element, don't continue parsing IE */
7363 break;
7364 }
7365
7366 switch (info_element->id) {
7367 case MFIE_TYPE_SSID:
7368 /* Two zero-length SSID elements
7369 * mean we're done parsing elements */
7370 if (!info_element->len)
7371 num_null_ies++;
7372 break;
7373
7374 case MFIE_TYPE_GENERIC:
7375 if (info_element->len >= 4 &&
7376 info_element->data[0] == 0x00 &&
7377 info_element->data[1] == 0x50 &&
7378 info_element->data[2] == 0xf2 &&
7379 info_element->data[3] == 0x01) {
7380 iwe.cmd = IWEVGENIE;
7381 iwe.u.data.length = min(info_element->len + 2,
7382 MAX_WPA_IE_LEN);
7383 current_ev = iwe_stream_add_point(current_ev, end_buf,
7384 &iwe, (char *) info_element);
7385 }
7386 break;
7387
7388 case MFIE_TYPE_RSN:
7389 iwe.cmd = IWEVGENIE;
7390 iwe.u.data.length = min(info_element->len + 2,
7391 MAX_WPA_IE_LEN);
7392 current_ev = iwe_stream_add_point(current_ev, end_buf,
7393 &iwe, (char *) info_element);
7394 break;
7395
7396 default:
7397 break;
7398 }
7399
7400 length -= sizeof(*info_element) + info_element->len;
7401 info_element =
7402 (struct ieee80211_info_element *)&info_element->
7403 data[info_element->len];
7404 }
7405 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007406 return current_ev;
7407}
7408
7409/*------------------------------------------------------------------*/
7410/*
7411 * Wireless Handler : Read Scan Results
7412 */
7413static int airo_get_scan(struct net_device *dev,
7414 struct iw_request_info *info,
7415 struct iw_point *dwrq,
7416 char *extra)
7417{
7418 struct airo_info *ai = dev->priv;
Dan Williams9e75af32006-03-16 13:46:29 -05007419 BSSListElement *net;
7420 int err = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007421 char *current_ev = extra;
7422
Dan Williams9e75af32006-03-16 13:46:29 -05007423 /* If a scan is in-progress, return -EAGAIN */
7424 if (ai->scan_timeout > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007425 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007426
Dan Williams9e75af32006-03-16 13:46:29 -05007427 if (down_interruptible(&ai->sem))
7428 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007429
Dan Williams9e75af32006-03-16 13:46:29 -05007430 list_for_each_entry (net, &ai->network_list, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007431 /* Translate to WE format this entry */
7432 current_ev = airo_translate_scan(dev, current_ev,
7433 extra + dwrq->length,
Dan Williams9e75af32006-03-16 13:46:29 -05007434 &net->bss);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007435
7436 /* Check if there is space for one more entry */
7437 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7438 /* Ask user space to try again with a bigger buffer */
Dan Williams9e75af32006-03-16 13:46:29 -05007439 err = -E2BIG;
7440 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007441 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007442 }
Dan Williams9e75af32006-03-16 13:46:29 -05007443
Linus Torvalds1da177e2005-04-16 15:20:36 -07007444 /* Length of data */
7445 dwrq->length = (current_ev - extra);
7446 dwrq->flags = 0; /* todo */
7447
Dan Williams9e75af32006-03-16 13:46:29 -05007448out:
7449 up(&ai->sem);
7450 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007451}
7452
7453/*------------------------------------------------------------------*/
7454/*
7455 * Commit handler : called after a bunch of SET operations
7456 */
7457static int airo_config_commit(struct net_device *dev,
7458 struct iw_request_info *info, /* NULL */
7459 void *zwrq, /* NULL */
7460 char *extra) /* NULL */
7461{
7462 struct airo_info *local = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007463
7464 if (!test_bit (FLAG_COMMIT, &local->flags))
7465 return 0;
7466
7467 /* Some of the "SET" function may have modified some of the
7468 * parameters. It's now time to commit them in the card */
7469 disable_MAC(local, 1);
7470 if (test_bit (FLAG_RESET, &local->flags)) {
7471 APListRid APList_rid;
7472 SsidRid SSID_rid;
7473
7474 readAPListRid(local, &APList_rid);
7475 readSsidRid(local, &SSID_rid);
7476 if (test_bit(FLAG_MPI,&local->flags))
7477 setup_card(local, dev->dev_addr, 1 );
7478 else
7479 reset_airo_card(dev);
7480 disable_MAC(local, 1);
7481 writeSsidRid(local, &SSID_rid, 1);
7482 writeAPListRid(local, &APList_rid, 1);
7483 }
7484 if (down_interruptible(&local->sem))
7485 return -ERESTARTSYS;
7486 writeConfigRid(local, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007487 enable_MAC(local, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007488 if (test_bit (FLAG_RESET, &local->flags))
7489 airo_set_promisc(local);
7490 else
7491 up(&local->sem);
7492
7493 return 0;
7494}
7495
7496/*------------------------------------------------------------------*/
7497/*
7498 * Structures to export the Wireless Handlers
7499 */
7500
7501static const struct iw_priv_args airo_private_args[] = {
7502/*{ cmd, set_args, get_args, name } */
7503 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7504 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7505 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7506 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7507};
7508
7509static const iw_handler airo_handler[] =
7510{
7511 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7512 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7513 (iw_handler) NULL, /* SIOCSIWNWID */
7514 (iw_handler) NULL, /* SIOCGIWNWID */
7515 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7516 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7517 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7518 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7519 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7520 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7521 (iw_handler) NULL, /* SIOCSIWRANGE */
7522 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7523 (iw_handler) NULL, /* SIOCSIWPRIV */
7524 (iw_handler) NULL, /* SIOCGIWPRIV */
7525 (iw_handler) NULL, /* SIOCSIWSTATS */
7526 (iw_handler) NULL, /* SIOCGIWSTATS */
7527 iw_handler_set_spy, /* SIOCSIWSPY */
7528 iw_handler_get_spy, /* SIOCGIWSPY */
7529 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7530 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7531 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7532 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7533 (iw_handler) NULL, /* -- hole -- */
7534 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7535 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7536 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7537 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7538 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7539 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7540 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) NULL, /* -- hole -- */
7543 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7544 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7545 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7546 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7547 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7548 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7549 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7550 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7551 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7552 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7553 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7554 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7555 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7556 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
Dan Williams4be757d2006-01-30 11:58:00 -05007557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) NULL, /* SIOCSIWGENIE */
7560 (iw_handler) NULL, /* SIOCGIWGENIE */
7561 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7562 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7563 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7564 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7565 (iw_handler) NULL, /* SIOCSIWPMKSA */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007566};
7567
7568/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7569 * We want to force the use of the ioctl code, because those can't be
7570 * won't work the iw_handler code (because they simultaneously read
7571 * and write data and iw_handler can't do that).
7572 * Note that it's perfectly legal to read/write on a single ioctl command,
7573 * you just can't use iwpriv and need to force it via the ioctl handler.
7574 * Jean II */
7575static const iw_handler airo_private_handler[] =
7576{
7577 NULL, /* SIOCIWFIRSTPRIV */
7578};
7579
7580static const struct iw_handler_def airo_handler_def =
7581{
7582 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7583 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7584 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7585 .standard = airo_handler,
7586 .private = airo_private_handler,
7587 .private_args = airo_private_args,
7588 .get_wireless_stats = airo_get_wireless_stats,
7589};
7590
Linus Torvalds1da177e2005-04-16 15:20:36 -07007591/*
7592 * This defines the configuration part of the Wireless Extensions
7593 * Note : irq and spinlock protection will occur in the subroutines
7594 *
7595 * TODO :
7596 * o Check input value more carefully and fill correct values in range
7597 * o Test and shakeout the bugs (if any)
7598 *
7599 * Jean II
7600 *
7601 * Javier Achirica did a great job of merging code from the unnamed CISCO
7602 * developer that added support for flashing the card.
7603 */
7604static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7605{
7606 int rc = 0;
7607 struct airo_info *ai = (struct airo_info *)dev->priv;
7608
Pavel Machekca078ba2005-09-03 15:56:57 -07007609 if (ai->power.event)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007610 return 0;
7611
7612 switch (cmd) {
7613#ifdef CISCO_EXT
7614 case AIROIDIFC:
7615#ifdef AIROOLDIDIFC
7616 case AIROOLDIDIFC:
7617#endif
7618 {
7619 int val = AIROMAGIC;
7620 aironet_ioctl com;
7621 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7622 rc = -EFAULT;
7623 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7624 rc = -EFAULT;
7625 }
7626 break;
7627
7628 case AIROIOCTL:
7629#ifdef AIROOLDIOCTL
7630 case AIROOLDIOCTL:
7631#endif
7632 /* Get the command struct and hand it off for evaluation by
7633 * the proper subfunction
7634 */
7635 {
7636 aironet_ioctl com;
7637 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7638 rc = -EFAULT;
7639 break;
7640 }
7641
7642 /* Separate R/W functions bracket legality here
7643 */
7644 if ( com.command == AIRORSWVERSION ) {
7645 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7646 rc = -EFAULT;
7647 else
7648 rc = 0;
7649 }
7650 else if ( com.command <= AIRORRID)
7651 rc = readrids(dev,&com);
7652 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7653 rc = writerids(dev,&com);
7654 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7655 rc = flashcard(dev,&com);
7656 else
7657 rc = -EINVAL; /* Bad command in ioctl */
7658 }
7659 break;
7660#endif /* CISCO_EXT */
7661
7662 // All other calls are currently unsupported
7663 default:
7664 rc = -EOPNOTSUPP;
7665 }
7666 return rc;
7667}
7668
Linus Torvalds1da177e2005-04-16 15:20:36 -07007669/*
7670 * Get the Wireless stats out of the driver
7671 * Note : irq and spinlock protection will occur in the subroutines
7672 *
7673 * TODO :
7674 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7675 *
7676 * Jean
7677 */
7678static void airo_read_wireless_stats(struct airo_info *local)
7679{
7680 StatusRid status_rid;
7681 StatsRid stats_rid;
7682 CapabilityRid cap_rid;
7683 u32 *vals = stats_rid.vals;
7684
7685 /* Get stats out of the card */
Dan Williams3c304952006-04-15 12:26:18 -04007686 clear_bit(JOB_WSTATS, &local->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07007687 if (local->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007688 up(&local->sem);
7689 return;
7690 }
7691 readCapabilityRid(local, &cap_rid, 0);
7692 readStatusRid(local, &status_rid, 0);
7693 readStatsRid(local, &stats_rid, RID_STATS, 0);
7694 up(&local->sem);
7695
7696 /* The status */
7697 local->wstats.status = status_rid.mode;
7698
Dan Williams41480af2005-05-10 09:45:51 -04007699 /* Signal quality and co */
7700 if (local->rssi) {
7701 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7702 /* normalizedSignalStrength appears to be a percentage */
7703 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7704 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007705 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007706 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7707 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007708 if (status_rid.len >= 124) {
Dan Williams41480af2005-05-10 09:45:51 -04007709 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007710 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007711 } else {
7712 local->wstats.qual.noise = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007713 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 -07007714 }
7715
7716 /* Packets discarded in the wireless adapter due to wireless
7717 * specific problems */
7718 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7719 local->wstats.discard.code = vals[6];/* RxWepErr */
7720 local->wstats.discard.fragment = vals[30];
7721 local->wstats.discard.retries = vals[10];
7722 local->wstats.discard.misc = vals[1] + vals[32];
7723 local->wstats.miss.beacon = vals[34];
7724}
7725
Jouni Malinenff1d2762005-05-12 22:54:16 -04007726static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007727{
7728 struct airo_info *local = dev->priv;
7729
Dan Williams3c304952006-04-15 12:26:18 -04007730 if (!test_bit(JOB_WSTATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007731 /* Get stats out of the card if available */
7732 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04007733 set_bit(JOB_WSTATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007734 wake_up_interruptible(&local->thr_wait);
7735 } else
7736 airo_read_wireless_stats(local);
7737 }
7738
7739 return &local->wstats;
7740}
Linus Torvalds1da177e2005-04-16 15:20:36 -07007741
7742#ifdef CISCO_EXT
7743/*
7744 * This just translates from driver IOCTL codes to the command codes to
7745 * feed to the radio's host interface. Things can be added/deleted
7746 * as needed. This represents the READ side of control I/O to
7747 * the card
7748 */
7749static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7750 unsigned short ridcode;
7751 unsigned char *iobuf;
7752 int len;
7753 struct airo_info *ai = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007754
7755 if (test_bit(FLAG_FLASHING, &ai->flags))
7756 return -EIO;
7757
7758 switch(comp->command)
7759 {
7760 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7761 case AIROGCFG: ridcode = RID_CONFIG;
7762 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7763 disable_MAC (ai, 1);
7764 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007765 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007766 }
7767 break;
7768 case AIROGSLIST: ridcode = RID_SSID; break;
7769 case AIROGVLIST: ridcode = RID_APLIST; break;
7770 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7771 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7772 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7773 /* Only super-user can read WEP keys */
7774 if (!capable(CAP_NET_ADMIN))
7775 return -EPERM;
7776 break;
7777 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7778 /* Only super-user can read WEP keys */
7779 if (!capable(CAP_NET_ADMIN))
7780 return -EPERM;
7781 break;
7782 case AIROGSTAT: ridcode = RID_STATUS; break;
7783 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7784 case AIROGSTATSC32: ridcode = RID_STATS; break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007785 case AIROGMICSTATS:
7786 if (copy_to_user(comp->data, &ai->micstats,
7787 min((int)comp->len,(int)sizeof(ai->micstats))))
7788 return -EFAULT;
7789 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007790 case AIRORRID: ridcode = comp->ridnum; break;
7791 default:
7792 return -EINVAL;
7793 break;
7794 }
7795
7796 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7797 return -ENOMEM;
7798
7799 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7800 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7801 * then return it to the user
7802 * 9/22/2000 Honor user given length
7803 */
7804 len = comp->len;
7805
7806 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7807 kfree (iobuf);
7808 return -EFAULT;
7809 }
7810 kfree (iobuf);
7811 return 0;
7812}
7813
7814/*
7815 * Danger Will Robinson write the rids here
7816 */
7817
7818static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7819 struct airo_info *ai = dev->priv;
7820 int ridcode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007821 int enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007822 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7823 unsigned char *iobuf;
7824
7825 /* Only super-user can write RIDs */
7826 if (!capable(CAP_NET_ADMIN))
7827 return -EPERM;
7828
7829 if (test_bit(FLAG_FLASHING, &ai->flags))
7830 return -EIO;
7831
7832 ridcode = 0;
7833 writer = do_writerid;
7834
7835 switch(comp->command)
7836 {
7837 case AIROPSIDS: ridcode = RID_SSID; break;
7838 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7839 case AIROPAPLIST: ridcode = RID_APLIST; break;
7840 case AIROPCFG: ai->config.len = 0;
7841 clear_bit(FLAG_COMMIT, &ai->flags);
7842 ridcode = RID_CONFIG; break;
7843 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7844 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7845 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7846 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7847 break;
7848 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7849 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7850
7851 /* this is not really a rid but a command given to the card
7852 * same with MAC off
7853 */
7854 case AIROPMACON:
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007855 if (enable_MAC(ai, 1) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007856 return -EIO;
7857 return 0;
7858
7859 /*
7860 * Evidently this code in the airo driver does not get a symbol
7861 * as disable_MAC. it's probably so short the compiler does not gen one.
7862 */
7863 case AIROPMACOFF:
7864 disable_MAC(ai, 1);
7865 return 0;
7866
7867 /* This command merely clears the counts does not actually store any data
7868 * only reads rid. But as it changes the cards state, I put it in the
7869 * writerid routines.
7870 */
7871 case AIROPSTCLR:
7872 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7873 return -ENOMEM;
7874
7875 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7876
Linus Torvalds1da177e2005-04-16 15:20:36 -07007877 enabled = ai->micstats.enabled;
7878 memset(&ai->micstats,0,sizeof(ai->micstats));
7879 ai->micstats.enabled = enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007880
7881 if (copy_to_user(comp->data, iobuf,
7882 min((int)comp->len, (int)RIDSIZE))) {
7883 kfree (iobuf);
7884 return -EFAULT;
7885 }
7886 kfree (iobuf);
7887 return 0;
7888
7889 default:
7890 return -EOPNOTSUPP; /* Blarg! */
7891 }
7892 if(comp->len > RIDSIZE)
7893 return -EINVAL;
7894
7895 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7896 return -ENOMEM;
7897
7898 if (copy_from_user(iobuf,comp->data,comp->len)) {
7899 kfree (iobuf);
7900 return -EFAULT;
7901 }
7902
7903 if (comp->command == AIROPCFG) {
7904 ConfigRid *cfg = (ConfigRid *)iobuf;
7905
7906 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7907 cfg->opmode |= MODE_MIC;
7908
7909 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7910 set_bit (FLAG_ADHOC, &ai->flags);
7911 else
7912 clear_bit (FLAG_ADHOC, &ai->flags);
7913 }
7914
7915 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7916 kfree (iobuf);
7917 return -EIO;
7918 }
7919 kfree (iobuf);
7920 return 0;
7921}
7922
7923/*****************************************************************************
7924 * Ancillary flash / mod functions much black magic lurkes here *
7925 *****************************************************************************
7926 */
7927
7928/*
7929 * Flash command switch table
7930 */
7931
Jouni Malinenff1d2762005-05-12 22:54:16 -04007932static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007933 int z;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007934
7935 /* Only super-user can modify flash */
7936 if (!capable(CAP_NET_ADMIN))
7937 return -EPERM;
7938
7939 switch(comp->command)
7940 {
7941 case AIROFLSHRST:
7942 return cmdreset((struct airo_info *)dev->priv);
7943
7944 case AIROFLSHSTFL:
7945 if (!((struct airo_info *)dev->priv)->flash &&
7946 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7947 return -ENOMEM;
7948 return setflashmode((struct airo_info *)dev->priv);
7949
7950 case AIROFLSHGCHR: /* Get char from aux */
7951 if(comp->len != sizeof(int))
7952 return -EINVAL;
7953 if (copy_from_user(&z,comp->data,comp->len))
7954 return -EFAULT;
7955 return flashgchar((struct airo_info *)dev->priv,z,8000);
7956
7957 case AIROFLSHPCHR: /* Send char to card. */
7958 if(comp->len != sizeof(int))
7959 return -EINVAL;
7960 if (copy_from_user(&z,comp->data,comp->len))
7961 return -EFAULT;
7962 return flashpchar((struct airo_info *)dev->priv,z,8000);
7963
7964 case AIROFLPUTBUF: /* Send 32k to card */
7965 if (!((struct airo_info *)dev->priv)->flash)
7966 return -ENOMEM;
7967 if(comp->len > FLASHSIZE)
7968 return -EINVAL;
7969 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7970 return -EFAULT;
7971
7972 flashputbuf((struct airo_info *)dev->priv);
7973 return 0;
7974
7975 case AIRORESTART:
7976 if(flashrestart((struct airo_info *)dev->priv,dev))
7977 return -EIO;
7978 return 0;
7979 }
7980 return -EINVAL;
7981}
7982
7983#define FLASH_COMMAND 0x7e7e
7984
7985/*
7986 * STEP 1)
7987 * Disable MAC and do soft reset on
7988 * card.
7989 */
7990
Jouni Malinenff1d2762005-05-12 22:54:16 -04007991static int cmdreset(struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007992 disable_MAC(ai, 1);
7993
7994 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05007995 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007996 return -EBUSY;
7997 }
7998
7999 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8000
8001 ssleep(1); /* WAS 600 12/7/00 */
8002
8003 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05008004 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008005 return -EBUSY;
8006 }
8007 return 0;
8008}
8009
8010/* STEP 2)
8011 * Put the card in legendary flash
8012 * mode
8013 */
8014
Jouni Malinenff1d2762005-05-12 22:54:16 -04008015static int setflashmode (struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008016 set_bit (FLAG_FLASHING, &ai->flags);
8017
8018 OUT4500(ai, SWS0, FLASH_COMMAND);
8019 OUT4500(ai, SWS1, FLASH_COMMAND);
8020 if (probe) {
8021 OUT4500(ai, SWS0, FLASH_COMMAND);
8022 OUT4500(ai, COMMAND,0x10);
8023 } else {
8024 OUT4500(ai, SWS2, FLASH_COMMAND);
8025 OUT4500(ai, SWS3, FLASH_COMMAND);
8026 OUT4500(ai, COMMAND,0);
8027 }
8028 msleep(500); /* 500ms delay */
8029
8030 if(!waitbusy(ai)) {
8031 clear_bit (FLAG_FLASHING, &ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05008032 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008033 return -EIO;
8034 }
8035 return 0;
8036}
8037
8038/* Put character to SWS0 wait for dwelltime
8039 * x 50us for echo .
8040 */
8041
Jouni Malinenff1d2762005-05-12 22:54:16 -04008042static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008043 int echo;
8044 int waittime;
8045
8046 byte |= 0x8000;
8047
8048 if(dwelltime == 0 )
8049 dwelltime = 200;
8050
8051 waittime=dwelltime;
8052
8053 /* Wait for busy bit d15 to go false indicating buffer empty */
8054 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8055 udelay (50);
8056 waittime -= 50;
8057 }
8058
8059 /* timeout for busy clear wait */
8060 if(waittime <= 0 ){
Dan Williams934d8bf2006-03-16 13:46:23 -05008061 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008062 return -EBUSY;
8063 }
8064
8065 /* Port is clear now write byte and wait for it to echo back */
8066 do {
8067 OUT4500(ai,SWS0,byte);
8068 udelay(50);
8069 dwelltime -= 50;
8070 echo = IN4500(ai,SWS1);
8071 } while (dwelltime >= 0 && echo != byte);
8072
8073 OUT4500(ai,SWS1,0);
8074
8075 return (echo == byte) ? 0 : -EIO;
8076}
8077
8078/*
8079 * Get a character from the card matching matchbyte
8080 * Step 3)
8081 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008082static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008083 int rchar;
8084 unsigned char rbyte=0;
8085
8086 do {
8087 rchar = IN4500(ai,SWS1);
8088
8089 if(dwelltime && !(0x8000 & rchar)){
8090 dwelltime -= 10;
8091 mdelay(10);
8092 continue;
8093 }
8094 rbyte = 0xff & rchar;
8095
8096 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8097 OUT4500(ai,SWS1,0);
8098 return 0;
8099 }
8100 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8101 break;
8102 OUT4500(ai,SWS1,0);
8103
8104 }while(dwelltime > 0);
8105 return -EIO;
8106}
8107
8108/*
8109 * Transfer 32k of firmware data from user buffer to our buffer and
8110 * send to the card
8111 */
8112
Jouni Malinenff1d2762005-05-12 22:54:16 -04008113static int flashputbuf(struct airo_info *ai){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008114 int nwords;
8115
8116 /* Write stuff */
8117 if (test_bit(FLAG_MPI,&ai->flags))
8118 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8119 else {
8120 OUT4500(ai,AUXPAGE,0x100);
8121 OUT4500(ai,AUXOFF,0);
8122
8123 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8124 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8125 }
8126 }
8127 OUT4500(ai,SWS0,0x8000);
8128
8129 return 0;
8130}
8131
8132/*
8133 *
8134 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008135static int flashrestart(struct airo_info *ai,struct net_device *dev){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008136 int i,status;
8137
8138 ssleep(1); /* Added 12/7/00 */
8139 clear_bit (FLAG_FLASHING, &ai->flags);
8140 if (test_bit(FLAG_MPI, &ai->flags)) {
8141 status = mpi_init_descriptors(ai);
8142 if (status != SUCCESS)
8143 return status;
8144 }
8145 status = setup_card(ai, dev->dev_addr, 1);
8146
8147 if (!test_bit(FLAG_MPI,&ai->flags))
8148 for( i = 0; i < MAX_FIDS; i++ ) {
8149 ai->fids[i] = transmit_allocate
Dan Williams15db2762006-03-16 13:46:27 -05008150 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07008151 }
8152
8153 ssleep(1); /* Added 12/7/00 */
8154 return status;
8155}
8156#endif /* CISCO_EXT */
8157
8158/*
8159 This program is free software; you can redistribute it and/or
8160 modify it under the terms of the GNU General Public License
8161 as published by the Free Software Foundation; either version 2
8162 of the License, or (at your option) any later version.
8163
8164 This program is distributed in the hope that it will be useful,
8165 but WITHOUT ANY WARRANTY; without even the implied warranty of
8166 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8167 GNU General Public License for more details.
8168
8169 In addition:
8170
8171 Redistribution and use in source and binary forms, with or without
8172 modification, are permitted provided that the following conditions
8173 are met:
8174
8175 1. Redistributions of source code must retain the above copyright
8176 notice, this list of conditions and the following disclaimer.
8177 2. Redistributions in binary form must reproduce the above copyright
8178 notice, this list of conditions and the following disclaimer in the
8179 documentation and/or other materials provided with the distribution.
8180 3. The name of the author may not be used to endorse or promote
8181 products derived from this software without specific prior written
8182 permission.
8183
8184 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8185 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8186 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8187 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8188 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8189 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8190 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8191 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8192 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8193 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8194 POSSIBILITY OF SUCH DAMAGE.
8195*/
8196
8197module_init(airo_init_module);
8198module_exit(airo_cleanup_module);