blob: 68c5e54230c1ee3dcfae176f0a4d292c0efc2695 [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 \
Bill Nottinghamd73ae552007-07-27 19:43:17 -0400244cards. Direct support for ISA/PCI/MPI cards and support \
245for PCMCIA when used with airo_cs.");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246MODULE_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
Al Viro79ea13c2008-01-24 02:06:46 -08002035 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
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
Stephen Hemmingerb95cce32007-09-26 22:13:38 -07002484static int wll_header_parse(const 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
Stephen Hemminger3b04ddd2007-10-09 01:40:57 -07002699static const struct header_ops airo_header_ops = {
2700 .parse = wll_header_parse,
2701};
2702
Linus Torvalds1da177e2005-04-16 15:20:36 -07002703static void wifi_setup(struct net_device *dev)
2704{
Stephen Hemminger3b04ddd2007-10-09 01:40:57 -07002705 dev->header_ops = &airo_header_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002706 dev->hard_start_xmit = &airo_start_xmit11;
2707 dev->get_stats = &airo_get_stats;
2708 dev->set_mac_address = &airo_set_mac_address;
2709 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002710 dev->wireless_handlers = &airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002711 dev->change_mtu = &airo_change_mtu;
2712 dev->open = &airo_open;
2713 dev->stop = &airo_close;
2714
2715 dev->type = ARPHRD_IEEE80211;
2716 dev->hard_header_len = ETH_HLEN;
Dan Williams15db2762006-03-16 13:46:27 -05002717 dev->mtu = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002718 dev->addr_len = ETH_ALEN;
2719 dev->tx_queue_len = 100;
2720
2721 memset(dev->broadcast,0xFF, ETH_ALEN);
2722
2723 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2724}
2725
2726static struct net_device *init_wifidev(struct airo_info *ai,
2727 struct net_device *ethdev)
2728{
2729 int err;
2730 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2731 if (!dev)
2732 return NULL;
2733 dev->priv = ethdev->priv;
2734 dev->irq = ethdev->irq;
2735 dev->base_addr = ethdev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002736 dev->wireless_data = ethdev->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002737 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2738 err = register_netdev(dev);
2739 if (err<0) {
2740 free_netdev(dev);
2741 return NULL;
2742 }
2743 return dev;
2744}
2745
Jouni Malinenff1d2762005-05-12 22:54:16 -04002746static int reset_card( struct net_device *dev , int lock) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002747 struct airo_info *ai = dev->priv;
2748
2749 if (lock && down_interruptible(&ai->sem))
2750 return -1;
2751 waitbusy (ai);
2752 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2753 msleep(200);
2754 waitbusy (ai);
2755 msleep(200);
2756 if (lock)
2757 up(&ai->sem);
2758 return 0;
2759}
2760
Dan Williams3c304952006-04-15 12:26:18 -04002761#define AIRO_MAX_NETWORK_COUNT 64
Dan Williams9e75af32006-03-16 13:46:29 -05002762static int airo_networks_allocate(struct airo_info *ai)
2763{
2764 if (ai->networks)
2765 return 0;
2766
2767 ai->networks =
Dan Williams3c304952006-04-15 12:26:18 -04002768 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
Dan Williams9e75af32006-03-16 13:46:29 -05002769 GFP_KERNEL);
2770 if (!ai->networks) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002771 airo_print_warn("", "Out of memory allocating beacons");
Dan Williams9e75af32006-03-16 13:46:29 -05002772 return -ENOMEM;
2773 }
2774
2775 return 0;
2776}
2777
2778static void airo_networks_free(struct airo_info *ai)
2779{
Dan Williams9e75af32006-03-16 13:46:29 -05002780 kfree(ai->networks);
2781 ai->networks = NULL;
2782}
2783
2784static void airo_networks_initialize(struct airo_info *ai)
2785{
2786 int i;
2787
2788 INIT_LIST_HEAD(&ai->network_free_list);
2789 INIT_LIST_HEAD(&ai->network_list);
Dan Williams3c304952006-04-15 12:26:18 -04002790 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
Dan Williams9e75af32006-03-16 13:46:29 -05002791 list_add_tail(&ai->networks[i].list,
2792 &ai->network_free_list);
2793}
2794
Dan Williams3c304952006-04-15 12:26:18 -04002795static int airo_test_wpa_capable(struct airo_info *ai)
2796{
2797 int status;
2798 CapabilityRid cap_rid;
Dan Williams3c304952006-04-15 12:26:18 -04002799
2800 status = readCapabilityRid(ai, &cap_rid, 1);
2801 if (status != SUCCESS) return 0;
2802
2803 /* Only firmware versions 5.30.17 or better can do WPA */
2804 if ((cap_rid.softVer > 0x530)
Michal Schmidt0c6157a2006-05-02 23:29:55 +02002805 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002806 airo_print_info("", "WPA is supported.");
Dan Williams3c304952006-04-15 12:26:18 -04002807 return 1;
2808 }
2809
2810 /* No WPA support */
Michal Schmidt1138c372007-06-29 15:33:41 +02002811 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
Dan Williams3c304952006-04-15 12:26:18 -04002812 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2813 return 0;
2814}
2815
Jouni Malinenff1d2762005-05-12 22:54:16 -04002816static struct net_device *_init_airo_card( unsigned short irq, int port,
2817 int is_pcmcia, struct pci_dev *pci,
2818 struct device *dmdev )
Linus Torvalds1da177e2005-04-16 15:20:36 -07002819{
2820 struct net_device *dev;
2821 struct airo_info *ai;
2822 int i, rc;
Joe Perches0795af52007-10-03 17:59:30 -07002823 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002824
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);
2873
Matthieu CASTET1d97f382005-12-01 02:35:26 -05002874 reset_card (dev, 1);
2875 msleep(400);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002876
Linus Torvalds1da177e2005-04-16 15:20:36 -07002877 if (!is_pcmcia) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002878 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002879 rc = -EBUSY;
Dan Williams934d8bf2006-03-16 13:46:23 -05002880 airo_print_err(dev->name, "Couldn't request region");
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002881 goto err_out_nets;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002882 }
2883 }
2884
2885 if (test_bit(FLAG_MPI,&ai->flags)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002886 if (mpi_map_card(ai, pci)) {
2887 airo_print_err("", "Could not map memory");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002888 goto err_out_res;
2889 }
2890 }
2891
2892 if (probe) {
2893 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002894 airo_print_err(dev->name, "MAC could not be enabled" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002895 rc = -EIO;
2896 goto err_out_map;
2897 }
2898 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2899 ai->bap_read = fast_bap_read;
2900 set_bit(FLAG_FLASHING, &ai->flags);
2901 }
2902
Dan Williams3c304952006-04-15 12:26:18 -04002903 /* Test for WPA support */
2904 if (airo_test_wpa_capable(ai)) {
2905 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2906 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2907 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2908 ai->bssListRidLen = sizeof(BSSListRid);
2909 } else {
2910 ai->bssListFirst = RID_BSSLISTFIRST;
2911 ai->bssListNext = RID_BSSLISTNEXT;
2912 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2913 }
2914
Michal Schmidt1138c372007-06-29 15:33:41 +02002915 strcpy(dev->name, "eth%d");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002916 rc = register_netdev(dev);
2917 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002918 airo_print_err(dev->name, "Couldn't register_netdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002919 goto err_out_map;
2920 }
2921 ai->wifidev = init_wifidev(ai, dev);
Florin Malita431aca52006-10-10 16:46:30 -04002922 if (!ai->wifidev)
2923 goto err_out_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002924
2925 set_bit(FLAG_REGISTERED,&ai->flags);
Joe Perches0795af52007-10-03 17:59:30 -07002926 airo_print_info(dev->name, "MAC enabled %s",
2927 print_mac(mac, dev->dev_addr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002928
2929 /* Allocate the transmit buffers */
2930 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2931 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002932 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002933
Florin Malita431aca52006-10-10 16:46:30 -04002934 if (setup_proc_entry(dev, dev->priv) < 0)
2935 goto err_out_wifi;
2936
Linus Torvalds1da177e2005-04-16 15:20:36 -07002937 return dev;
2938
Florin Malita431aca52006-10-10 16:46:30 -04002939err_out_wifi:
2940 unregister_netdev(ai->wifidev);
2941 free_netdev(ai->wifidev);
2942err_out_reg:
2943 unregister_netdev(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002944err_out_map:
2945 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2946 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2947 iounmap(ai->pciaux);
2948 iounmap(ai->pcimem);
2949 mpi_unmap_card(ai->pci);
2950 }
2951err_out_res:
2952 if (!is_pcmcia)
2953 release_region( dev->base_addr, 64 );
Michal Schmidt4d881902007-03-16 12:42:59 +01002954err_out_nets:
2955 airo_networks_free(ai);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002956 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002957err_out_free:
2958 free_netdev(dev);
2959 return NULL;
2960}
2961
2962struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2963 struct device *dmdev)
2964{
2965 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2966}
2967
2968EXPORT_SYMBOL(init_airo_card);
2969
2970static int waitbusy (struct airo_info *ai) {
2971 int delay = 0;
2972 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2973 udelay (10);
2974 if ((++delay % 20) == 0)
2975 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2976 }
2977 return delay < 10000;
2978}
2979
2980int reset_airo_card( struct net_device *dev )
2981{
2982 int i;
2983 struct airo_info *ai = dev->priv;
Joe Perches0795af52007-10-03 17:59:30 -07002984 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002985
2986 if (reset_card (dev, 1))
2987 return -1;
2988
2989 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002990 airo_print_err(dev->name, "MAC could not be enabled");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002991 return -1;
2992 }
Joe Perches0795af52007-10-03 17:59:30 -07002993 airo_print_info(dev->name, "MAC enabled %s",
2994 print_mac(mac, dev->dev_addr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002995 /* Allocate the transmit buffers if needed */
2996 if (!test_bit(FLAG_MPI,&ai->flags))
2997 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002998 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002999
3000 enable_interrupts( ai );
3001 netif_wake_queue(dev);
3002 return 0;
3003}
3004
3005EXPORT_SYMBOL(reset_airo_card);
3006
3007static void airo_send_event(struct net_device *dev) {
3008 struct airo_info *ai = dev->priv;
3009 union iwreq_data wrqu;
3010 StatusRid status_rid;
3011
Dan Williams3c304952006-04-15 12:26:18 -04003012 clear_bit(JOB_EVENT, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003013 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3014 up(&ai->sem);
3015 wrqu.data.length = 0;
3016 wrqu.data.flags = 0;
3017 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3018 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3019
3020 /* Send event to user space */
3021 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3022}
3023
Dan Williams9e75af32006-03-16 13:46:29 -05003024static void airo_process_scan_results (struct airo_info *ai) {
3025 union iwreq_data wrqu;
Dan Williams3c304952006-04-15 12:26:18 -04003026 BSSListRid bss;
Dan Williams9e75af32006-03-16 13:46:29 -05003027 int rc;
3028 BSSListElement * loop_net;
3029 BSSListElement * tmp_net;
3030
3031 /* Blow away current list of scan results */
3032 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3033 list_move_tail (&loop_net->list, &ai->network_free_list);
3034 /* Don't blow away ->list, just BSS data */
3035 memset (loop_net, 0, sizeof (loop_net->bss));
3036 }
3037
3038 /* Try to read the first entry of the scan result */
Dan Williams3c304952006-04-15 12:26:18 -04003039 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3040 if((rc) || (bss.index == 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003041 /* No scan results */
3042 goto out;
3043 }
3044
3045 /* Read and parse all entries */
3046 tmp_net = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04003047 while((!rc) && (bss.index != 0xffff)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003048 /* Grab a network off the free list */
3049 if (!list_empty(&ai->network_free_list)) {
3050 tmp_net = list_entry(ai->network_free_list.next,
3051 BSSListElement, list);
3052 list_del(ai->network_free_list.next);
3053 }
3054
3055 if (tmp_net != NULL) {
Dan Williams3c304952006-04-15 12:26:18 -04003056 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
Dan Williams9e75af32006-03-16 13:46:29 -05003057 list_add_tail(&tmp_net->list, &ai->network_list);
3058 tmp_net = NULL;
3059 }
3060
3061 /* Read next entry */
Dan Williams3c304952006-04-15 12:26:18 -04003062 rc = PC4500_readrid(ai, ai->bssListNext,
3063 &bss, ai->bssListRidLen, 0);
Dan Williams9e75af32006-03-16 13:46:29 -05003064 }
3065
3066out:
3067 ai->scan_timeout = 0;
Dan Williams3c304952006-04-15 12:26:18 -04003068 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003069 up(&ai->sem);
3070
3071 /* Send an empty event to user space.
3072 * We don't send the received data on
3073 * the event because it would require
3074 * us to do complex transcoding, and
3075 * we want to minimise the work done in
3076 * the irq handler. Use a request to
3077 * extract the data - Jean II */
3078 wrqu.data.length = 0;
3079 wrqu.data.flags = 0;
3080 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3081}
3082
Linus Torvalds1da177e2005-04-16 15:20:36 -07003083static int airo_thread(void *data) {
3084 struct net_device *dev = data;
3085 struct airo_info *ai = dev->priv;
3086 int locked;
Rafael J. Wysocki83144182007-07-17 04:03:35 -07003087
3088 set_freezable();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003089 while(1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003090 /* make swsusp happy with our thread */
Christoph Lameter3e1d1d22005-06-24 23:13:50 -07003091 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003092
Dan Williams3c304952006-04-15 12:26:18 -04003093 if (test_bit(JOB_DIE, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003094 break;
3095
Dan Williams3c304952006-04-15 12:26:18 -04003096 if (ai->jobs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003097 locked = down_interruptible(&ai->sem);
3098 } else {
3099 wait_queue_t wait;
3100
3101 init_waitqueue_entry(&wait, current);
3102 add_wait_queue(&ai->thr_wait, &wait);
3103 for (;;) {
3104 set_current_state(TASK_INTERRUPTIBLE);
Dan Williams3c304952006-04-15 12:26:18 -04003105 if (ai->jobs)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003106 break;
Dan Williams9e75af32006-03-16 13:46:29 -05003107 if (ai->expires || ai->scan_timeout) {
3108 if (ai->scan_timeout &&
3109 time_after_eq(jiffies,ai->scan_timeout)){
Dan Williams3c304952006-04-15 12:26:18 -04003110 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003111 break;
3112 } else if (ai->expires &&
3113 time_after_eq(jiffies,ai->expires)){
Dan Williams3c304952006-04-15 12:26:18 -04003114 set_bit(JOB_AUTOWEP, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003115 break;
3116 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003117 if (!kthread_should_stop() &&
3118 !freezing(current)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003119 unsigned long wake_at;
3120 if (!ai->expires || !ai->scan_timeout) {
3121 wake_at = max(ai->expires,
3122 ai->scan_timeout);
3123 } else {
3124 wake_at = min(ai->expires,
3125 ai->scan_timeout);
3126 }
3127 schedule_timeout(wake_at - jiffies);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003128 continue;
3129 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003130 } else if (!kthread_should_stop() &&
3131 !freezing(current)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003132 schedule();
3133 continue;
3134 }
3135 break;
3136 }
3137 current->state = TASK_RUNNING;
3138 remove_wait_queue(&ai->thr_wait, &wait);
3139 locked = 1;
3140 }
3141
3142 if (locked)
3143 continue;
3144
Dan Williams3c304952006-04-15 12:26:18 -04003145 if (test_bit(JOB_DIE, &ai->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003146 up(&ai->sem);
3147 break;
3148 }
3149
Pavel Machekca078ba2005-09-03 15:56:57 -07003150 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003151 up(&ai->sem);
3152 continue;
3153 }
3154
Dan Williams3c304952006-04-15 12:26:18 -04003155 if (test_bit(JOB_XMIT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003156 airo_end_xmit(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003157 else if (test_bit(JOB_XMIT11, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003158 airo_end_xmit11(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003159 else if (test_bit(JOB_STATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003160 airo_read_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003161 else if (test_bit(JOB_WSTATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003162 airo_read_wireless_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003163 else if (test_bit(JOB_PROMISC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003164 airo_set_promisc(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003165 else if (test_bit(JOB_MIC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003166 micinit(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003167 else if (test_bit(JOB_EVENT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003168 airo_send_event(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003169 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003170 timer_func(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003171 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
Dan Williams9e75af32006-03-16 13:46:29 -05003172 airo_process_scan_results(ai);
3173 else /* Shouldn't get here, but we make sure to unlock */
3174 up(&ai->sem);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003175 }
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003176
3177 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003178}
3179
Al Viro0300b332007-12-19 22:38:33 -05003180static int header_len(__le16 ctl)
3181{
3182 u16 fc = le16_to_cpu(ctl);
3183 switch (fc & 0xc) {
3184 case 4:
3185 if ((fc & 0xe0) == 0xc0)
3186 return 10; /* one-address control packet */
3187 return 16; /* two-address control packet */
3188 case 8:
3189 if ((fc & 0x300) == 0x300)
3190 return 30; /* WDS packet */
3191 }
3192 return 24;
3193}
3194
Jeff Garzik28fc1f52007-10-29 05:46:16 -04003195static irqreturn_t airo_interrupt(int irq, void *dev_id)
3196{
3197 struct net_device *dev = dev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003198 u16 status;
3199 u16 fid;
3200 struct airo_info *apriv = dev->priv;
3201 u16 savedInterrupts = 0;
3202 int handled = 0;
3203
3204 if (!netif_device_present(dev))
3205 return IRQ_NONE;
3206
3207 for (;;) {
3208 status = IN4500( apriv, EVSTAT );
3209 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3210
3211 handled = 1;
3212
3213 if ( status & EV_AWAKE ) {
3214 OUT4500( apriv, EVACK, EV_AWAKE );
3215 OUT4500( apriv, EVACK, EV_AWAKE );
3216 }
3217
3218 if (!savedInterrupts) {
3219 savedInterrupts = IN4500( apriv, EVINTEN );
3220 OUT4500( apriv, EVINTEN, 0 );
3221 }
3222
3223 if ( status & EV_MIC ) {
3224 OUT4500( apriv, EVACK, EV_MIC );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003225 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
Dan Williams3c304952006-04-15 12:26:18 -04003226 set_bit(JOB_MIC, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003227 wake_up_interruptible(&apriv->thr_wait);
3228 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003229 }
3230 if ( status & EV_LINK ) {
3231 union iwreq_data wrqu;
Dan Williams6fcdf562006-03-31 15:08:46 -05003232 int scan_forceloss = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003233 /* The link status has changed, if you want to put a
3234 monitor hook in, do it here. (Remember that
3235 interrupts are still disabled!)
3236 */
3237 u16 newStatus = IN4500(apriv, LINKSTAT);
3238 OUT4500( apriv, EVACK, EV_LINK);
3239 /* Here is what newStatus means: */
3240#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3241#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3242#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3243#define FORCELOSS 0x8003 /* Loss of sync - host request */
3244#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3245#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3246#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3247#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3248 code) */
3249#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3250 code) */
Dan Williams6fcdf562006-03-31 15:08:46 -05003251#define ASSOCIATED 0x0400 /* Associated */
3252#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003253#define RC_RESERVED 0 /* Reserved return code */
3254#define RC_NOREASON 1 /* Unspecified reason */
3255#define RC_AUTHINV 2 /* Previous authentication invalid */
3256#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3257 leaving */
3258#define RC_NOACT 4 /* Disassociated due to inactivity */
3259#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3260 all currently associated stations */
3261#define RC_BADCLASS2 6 /* Class 2 frame received from
3262 non-Authenticated station */
3263#define RC_BADCLASS3 7 /* Class 3 frame received from
3264 non-Associated station */
3265#define RC_STATLEAVE 8 /* Disassociated because sending station is
3266 leaving BSS */
3267#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3268 Authenticated with the responding station */
Dan Williams6fcdf562006-03-31 15:08:46 -05003269 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3270 scan_forceloss = 1;
3271 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003272 if (auto_wep)
3273 apriv->expires = 0;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003274 if (apriv->list_bss_task)
3275 wake_up_process(apriv->list_bss_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003276 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3277 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
Dan Williams6fcdf562006-03-31 15:08:46 -05003278
Linus Torvalds1da177e2005-04-16 15:20:36 -07003279 if (down_trylock(&apriv->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04003280 set_bit(JOB_EVENT, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003281 wake_up_interruptible(&apriv->thr_wait);
3282 } else
3283 airo_send_event(dev);
Dan Williams6fcdf562006-03-31 15:08:46 -05003284 } else if (!scan_forceloss) {
3285 if (auto_wep && !apriv->expires) {
3286 apriv->expires = RUN_AT(3*HZ);
3287 wake_up_interruptible(&apriv->thr_wait);
3288 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003289
3290 /* Send event to user space */
Dan Williams6fcdf562006-03-31 15:08:46 -05003291 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3292 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003293 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3294 }
3295 }
3296
3297 /* Check to see if there is something to receive */
3298 if ( status & EV_RX ) {
3299 struct sk_buff *skb = NULL;
3300 u16 fc, len, hdrlen = 0;
3301#pragma pack(1)
3302 struct {
3303 u16 status, len;
3304 u8 rssi[2];
3305 u8 rate;
3306 u8 freq;
3307 u16 tmp[4];
3308 } hdr;
3309#pragma pack()
3310 u16 gap;
3311 u16 tmpbuf[4];
3312 u16 *buffer;
3313
3314 if (test_bit(FLAG_MPI,&apriv->flags)) {
3315 if (test_bit(FLAG_802_11, &apriv->flags))
3316 mpi_receive_802_11(apriv);
3317 else
3318 mpi_receive_802_3(apriv);
3319 OUT4500(apriv, EVACK, EV_RX);
3320 goto exitrx;
3321 }
3322
3323 fid = IN4500( apriv, RXFID );
3324
3325 /* Get the packet length */
3326 if (test_bit(FLAG_802_11, &apriv->flags)) {
3327 bap_setup (apriv, fid, 4, BAP0);
3328 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3329 /* Bad CRC. Ignore packet */
3330 if (le16_to_cpu(hdr.status) & 2)
3331 hdr.len = 0;
3332 if (apriv->wifidev == NULL)
3333 hdr.len = 0;
3334 } else {
3335 bap_setup (apriv, fid, 0x36, BAP0);
3336 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3337 }
3338 len = le16_to_cpu(hdr.len);
3339
Dan Williams15db2762006-03-16 13:46:27 -05003340 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003341 airo_print_err(apriv->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003342 goto badrx;
3343 }
3344 if (len == 0)
3345 goto badrx;
3346
3347 if (test_bit(FLAG_802_11, &apriv->flags)) {
Al Viro0300b332007-12-19 22:38:33 -05003348 bap_read (apriv, &fc, sizeof(fc), BAP0);
3349 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003350 } else
3351 hdrlen = ETH_ALEN * 2;
3352
3353 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3354 if ( !skb ) {
3355 apriv->stats.rx_dropped++;
3356 goto badrx;
3357 }
3358 skb_reserve(skb, 2); /* This way the IP header is aligned */
3359 buffer = (u16*)skb_put (skb, len + hdrlen);
3360 if (test_bit(FLAG_802_11, &apriv->flags)) {
3361 buffer[0] = fc;
3362 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3363 if (hdrlen == 24)
3364 bap_read (apriv, tmpbuf, 6, BAP0);
3365
3366 bap_read (apriv, &gap, sizeof(gap), BAP0);
3367 gap = le16_to_cpu(gap);
3368 if (gap) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003369 if (gap <= 8) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003370 bap_read (apriv, tmpbuf, gap, BAP0);
Dan Williams934d8bf2006-03-16 13:46:23 -05003371 } else {
3372 airo_print_err(apriv->dev->name, "gaplen too "
3373 "big. Problems will follow...");
3374 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003375 }
3376 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3377 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003378 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003379 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003380 if (apriv->micstats.enabled) {
3381 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3382 if (ntohs(micbuf.typelen) > 0x05DC)
3383 bap_setup (apriv, fid, 0x44, BAP0);
3384 else {
3385 if (len <= sizeof(micbuf))
3386 goto badmic;
3387
3388 len -= sizeof(micbuf);
3389 skb_trim (skb, len + hdrlen);
3390 }
3391 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003392 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003393 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3394badmic:
3395 dev_kfree_skb_irq (skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003396badrx:
3397 OUT4500( apriv, EVACK, EV_RX);
3398 goto exitrx;
3399 }
3400 }
3401#ifdef WIRELESS_SPY
3402 if (apriv->spy_data.spy_number > 0) {
3403 char *sa;
3404 struct iw_quality wstats;
3405 /* Prepare spy data : addr + qual */
3406 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3407 sa = (char*)buffer + 6;
3408 bap_setup (apriv, fid, 8, BAP0);
3409 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3410 } else
3411 sa = (char*)buffer + 10;
3412 wstats.qual = hdr.rssi[0];
3413 if (apriv->rssi)
3414 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3415 else
3416 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003417 wstats.noise = apriv->wstats.qual.noise;
3418 wstats.updated = IW_QUAL_LEVEL_UPDATED
3419 | IW_QUAL_QUAL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003420 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003421 /* Update spy records */
3422 wireless_spy_update(dev, sa, &wstats);
3423 }
3424#endif /* WIRELESS_SPY */
3425 OUT4500( apriv, EVACK, EV_RX);
3426
3427 if (test_bit(FLAG_802_11, &apriv->flags)) {
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003428 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003429 skb->pkt_type = PACKET_OTHERHOST;
3430 skb->dev = apriv->wifidev;
3431 skb->protocol = htons(ETH_P_802_2);
Arnaldo Carvalho de Melo4c13eb62007-04-25 17:40:23 -07003432 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07003433 skb->protocol = eth_type_trans(skb,dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003434 skb->dev->last_rx = jiffies;
3435 skb->ip_summed = CHECKSUM_NONE;
3436
3437 netif_rx( skb );
3438 }
3439exitrx:
3440
3441 /* Check to see if a packet has been transmitted */
3442 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3443 int i;
3444 int len = 0;
3445 int index = -1;
3446
3447 if (test_bit(FLAG_MPI,&apriv->flags)) {
3448 unsigned long flags;
3449
3450 if (status & EV_TXEXC)
3451 get_tx_error(apriv, -1);
3452 spin_lock_irqsave(&apriv->aux_lock, flags);
David S. Millerb03efcf2005-07-08 14:57:23 -07003453 if (!skb_queue_empty(&apriv->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003454 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3455 mpi_send_packet (dev);
3456 } else {
3457 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3458 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3459 netif_wake_queue (dev);
3460 }
3461 OUT4500( apriv, EVACK,
3462 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3463 goto exittx;
3464 }
3465
3466 fid = IN4500(apriv, TXCOMPLFID);
3467
3468 for( i = 0; i < MAX_FIDS; i++ ) {
3469 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3470 len = apriv->fids[i] >> 16;
3471 index = i;
3472 }
3473 }
3474 if (index != -1) {
3475 if (status & EV_TXEXC)
3476 get_tx_error(apriv, index);
3477 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3478 /* Set up to be used again */
3479 apriv->fids[index] &= 0xffff;
3480 if (index < MAX_FIDS / 2) {
3481 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3482 netif_wake_queue(dev);
3483 } else {
3484 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3485 netif_wake_queue(apriv->wifidev);
3486 }
3487 } else {
3488 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
Dan Williams934d8bf2006-03-16 13:46:23 -05003489 airo_print_err(apriv->dev->name, "Unallocated FID was "
3490 "used to xmit" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003491 }
3492 }
3493exittx:
3494 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
Dan Williams934d8bf2006-03-16 13:46:23 -05003495 airo_print_warn(apriv->dev->name, "Got weird status %x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003496 status & ~STATUS_INTS & ~IGNORE_INTS );
3497 }
3498
3499 if (savedInterrupts)
3500 OUT4500( apriv, EVINTEN, savedInterrupts );
3501
3502 /* done.. */
3503 return IRQ_RETVAL(handled);
3504}
3505
3506/*
3507 * Routines to talk to the card
3508 */
3509
3510/*
3511 * This was originally written for the 4500, hence the name
3512 * NOTE: If use with 8bit mode and SMP bad things will happen!
3513 * Why would some one do 8 bit IO in an SMP machine?!?
3514 */
3515static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3516 if (test_bit(FLAG_MPI,&ai->flags))
3517 reg <<= 1;
3518 if ( !do8bitIO )
3519 outw( val, ai->dev->base_addr + reg );
3520 else {
3521 outb( val & 0xff, ai->dev->base_addr + reg );
3522 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3523 }
3524}
3525
3526static u16 IN4500( struct airo_info *ai, u16 reg ) {
3527 unsigned short rc;
3528
3529 if (test_bit(FLAG_MPI,&ai->flags))
3530 reg <<= 1;
3531 if ( !do8bitIO )
3532 rc = inw( ai->dev->base_addr + reg );
3533 else {
3534 rc = inb( ai->dev->base_addr + reg );
3535 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3536 }
3537 return rc;
3538}
3539
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003540static int enable_MAC(struct airo_info *ai, int lock)
3541{
Linus Torvalds1da177e2005-04-16 15:20:36 -07003542 int rc;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003543 Cmd cmd;
3544 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003545
3546 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3547 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3548 * Note : we could try to use !netif_running(dev) in enable_MAC()
3549 * instead of this flag, but I don't trust it *within* the
3550 * open/close functions, and testing both flags together is
3551 * "cheaper" - Jean II */
3552 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3553
3554 if (lock && down_interruptible(&ai->sem))
3555 return -ERESTARTSYS;
3556
3557 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3558 memset(&cmd, 0, sizeof(cmd));
3559 cmd.cmd = MAC_ENABLE;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003560 rc = issuecommand(ai, &cmd, &rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003561 if (rc == SUCCESS)
3562 set_bit(FLAG_ENABLED, &ai->flags);
3563 } else
3564 rc = SUCCESS;
3565
3566 if (lock)
3567 up(&ai->sem);
3568
3569 if (rc)
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003570 airo_print_err(ai->dev->name, "Cannot enable MAC");
3571 else if ((rsp.status & 0xFF00) != 0) {
3572 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3573 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3574 rc = ERROR;
3575 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003576 return rc;
3577}
3578
3579static void disable_MAC( struct airo_info *ai, int lock ) {
3580 Cmd cmd;
3581 Resp rsp;
3582
3583 if (lock && down_interruptible(&ai->sem))
3584 return;
3585
3586 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3587 memset(&cmd, 0, sizeof(cmd));
3588 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3589 issuecommand(ai, &cmd, &rsp);
3590 clear_bit(FLAG_ENABLED, &ai->flags);
3591 }
3592 if (lock)
3593 up(&ai->sem);
3594}
3595
3596static void enable_interrupts( struct airo_info *ai ) {
3597 /* Enable the interrupts */
3598 OUT4500( ai, EVINTEN, STATUS_INTS );
3599}
3600
3601static void disable_interrupts( struct airo_info *ai ) {
3602 OUT4500( ai, EVINTEN, 0 );
3603}
3604
3605static void mpi_receive_802_3(struct airo_info *ai)
3606{
3607 RxFid rxd;
3608 int len = 0;
3609 struct sk_buff *skb;
3610 char *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003611 int off = 0;
3612 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003613
3614 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3615 /* Make sure we got something */
3616 if (rxd.rdy && rxd.valid == 0) {
3617 len = rxd.len + 12;
3618 if (len < 12 || len > 2048)
3619 goto badrx;
3620
3621 skb = dev_alloc_skb(len);
3622 if (!skb) {
3623 ai->stats.rx_dropped++;
3624 goto badrx;
3625 }
3626 buffer = skb_put(skb,len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003627 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3628 if (ai->micstats.enabled) {
3629 memcpy(&micbuf,
3630 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3631 sizeof(micbuf));
3632 if (ntohs(micbuf.typelen) <= 0x05DC) {
3633 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3634 goto badmic;
3635
3636 off = sizeof(micbuf);
3637 skb_trim (skb, len - off);
3638 }
3639 }
3640 memcpy(buffer + ETH_ALEN * 2,
3641 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3642 len - ETH_ALEN * 2 - off);
3643 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3644badmic:
3645 dev_kfree_skb_irq (skb);
3646 goto badrx;
3647 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003648#ifdef WIRELESS_SPY
3649 if (ai->spy_data.spy_number > 0) {
3650 char *sa;
3651 struct iw_quality wstats;
3652 /* Prepare spy data : addr + qual */
3653 sa = buffer + ETH_ALEN;
3654 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3655 wstats.level = 0;
3656 wstats.updated = 0;
3657 /* Update spy records */
3658 wireless_spy_update(ai->dev, sa, &wstats);
3659 }
3660#endif /* WIRELESS_SPY */
3661
Linus Torvalds1da177e2005-04-16 15:20:36 -07003662 skb->ip_summed = CHECKSUM_NONE;
3663 skb->protocol = eth_type_trans(skb, ai->dev);
3664 skb->dev->last_rx = jiffies;
3665 netif_rx(skb);
3666 }
3667badrx:
3668 if (rxd.valid == 0) {
3669 rxd.valid = 1;
3670 rxd.rdy = 0;
3671 rxd.len = PKTSIZE;
3672 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3673 }
3674}
3675
3676void mpi_receive_802_11 (struct airo_info *ai)
3677{
3678 RxFid rxd;
3679 struct sk_buff *skb = NULL;
Al Viro0300b332007-12-19 22:38:33 -05003680 u16 len, hdrlen = 0;
3681 __le16 fc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003682#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
Al Viro0300b332007-12-19 22:38:33 -05003711 fc = get_unaligned((__le16 *)ptr);
3712 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003713
3714 skb = dev_alloc_skb( len + hdrlen + 2 );
3715 if ( !skb ) {
3716 ai->stats.rx_dropped++;
3717 goto badrx;
3718 }
3719 buffer = (u16*)skb_put (skb, len + hdrlen);
3720 memcpy ((char *)buffer, ptr, hdrlen);
3721 ptr += hdrlen;
3722 if (hdrlen == 24)
3723 ptr += 6;
3724 memcpy ((char *)&gap, ptr, sizeof(gap));
3725 ptr += sizeof(gap);
3726 gap = le16_to_cpu(gap);
3727 if (gap) {
3728 if (gap <= 8)
3729 ptr += gap;
3730 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003731 airo_print_err(ai->dev->name,
3732 "gaplen too big. Problems will follow...");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003733 }
3734 memcpy ((char *)buffer + hdrlen, ptr, len);
3735 ptr += len;
3736#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3737 if (ai->spy_data.spy_number > 0) {
3738 char *sa;
3739 struct iw_quality wstats;
3740 /* Prepare spy data : addr + qual */
3741 sa = (char*)buffer + 10;
3742 wstats.qual = hdr.rssi[0];
3743 if (ai->rssi)
3744 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3745 else
3746 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003747 wstats.noise = ai->wstats.qual.noise;
3748 wstats.updated = IW_QUAL_QUAL_UPDATED
3749 | IW_QUAL_LEVEL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003750 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003751 /* Update spy records */
3752 wireless_spy_update(ai->dev, sa, &wstats);
3753 }
3754#endif /* IW_WIRELESS_SPY */
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003755 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003756 skb->pkt_type = PACKET_OTHERHOST;
3757 skb->dev = ai->wifidev;
3758 skb->protocol = htons(ETH_P_802_2);
3759 skb->dev->last_rx = jiffies;
3760 skb->ip_summed = CHECKSUM_NONE;
3761 netif_rx( skb );
3762badrx:
3763 if (rxd.valid == 0) {
3764 rxd.valid = 1;
3765 rxd.rdy = 0;
3766 rxd.len = PKTSIZE;
3767 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3768 }
3769}
3770
3771static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3772{
3773 Cmd cmd;
3774 Resp rsp;
3775 int status;
3776 int i;
3777 SsidRid mySsid;
3778 u16 lastindex;
3779 WepKeyRid wkr;
3780 int rc;
3781
3782 memset( &mySsid, 0, sizeof( mySsid ) );
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003783 kfree (ai->flash);
3784 ai->flash = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003785
3786 /* The NOP is the first step in getting the card going */
3787 cmd.cmd = NOP;
3788 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3789 if (lock && down_interruptible(&ai->sem))
3790 return ERROR;
3791 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3792 if (lock)
3793 up(&ai->sem);
3794 return ERROR;
3795 }
3796 disable_MAC( ai, 0);
3797
3798 // Let's figure out if we need to use the AUX port
3799 if (!test_bit(FLAG_MPI,&ai->flags)) {
3800 cmd.cmd = CMD_ENABLEAUX;
3801 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3802 if (lock)
3803 up(&ai->sem);
Dan Williams934d8bf2006-03-16 13:46:23 -05003804 airo_print_err(ai->dev->name, "Error checking for AUX port");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003805 return ERROR;
3806 }
3807 if (!aux_bap || rsp.status & 0xff00) {
3808 ai->bap_read = fast_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003809 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003810 } else {
3811 ai->bap_read = aux_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003812 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003813 }
3814 }
3815 if (lock)
3816 up(&ai->sem);
3817 if (ai->config.len == 0) {
3818 tdsRssiRid rssi_rid;
3819 CapabilityRid cap_rid;
3820
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003821 kfree(ai->APList);
3822 ai->APList = NULL;
3823 kfree(ai->SSID);
3824 ai->SSID = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003825 // general configuration (read/modify/write)
3826 status = readConfigRid(ai, lock);
3827 if ( status != SUCCESS ) return ERROR;
3828
3829 status = readCapabilityRid(ai, &cap_rid, lock);
3830 if ( status != SUCCESS ) return ERROR;
3831
3832 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3833 if ( status == SUCCESS ) {
3834 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
Dan Williams41480af2005-05-10 09:45:51 -04003835 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003836 }
3837 else {
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003838 kfree(ai->rssi);
3839 ai->rssi = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003840 if (cap_rid.softCap & 8)
3841 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3842 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003843 airo_print_warn(ai->dev->name, "unknown received signal "
3844 "level scale");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003845 }
3846 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3847 ai->config.authType = AUTH_OPEN;
3848 ai->config.modulation = MOD_CCK;
3849
Al Viro15617852007-12-20 17:21:36 -05003850 if ((cap_rid.len>=sizeof(cap_rid)) &&
3851 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
Linus Torvalds1da177e2005-04-16 15:20:36 -07003852 (micsetup(ai) == SUCCESS)) {
3853 ai->config.opmode |= MODE_MIC;
3854 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3855 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003856
3857 /* Save off the MAC */
3858 for( i = 0; i < ETH_ALEN; i++ ) {
3859 mac[i] = ai->config.macAddr[i];
3860 }
3861
3862 /* Check to see if there are any insmod configured
3863 rates to add */
3864 if ( rates[0] ) {
3865 int i = 0;
3866 memset(ai->config.rates,0,sizeof(ai->config.rates));
3867 for( i = 0; i < 8 && rates[i]; i++ ) {
3868 ai->config.rates[i] = rates[i];
3869 }
3870 }
3871 if ( basic_rate > 0 ) {
3872 int i;
3873 for( i = 0; i < 8; i++ ) {
3874 if ( ai->config.rates[i] == basic_rate ||
3875 !ai->config.rates ) {
3876 ai->config.rates[i] = basic_rate | 0x80;
3877 break;
3878 }
3879 }
3880 }
3881 set_bit (FLAG_COMMIT, &ai->flags);
3882 }
3883
3884 /* Setup the SSIDs if present */
3885 if ( ssids[0] ) {
3886 int i;
3887 for( i = 0; i < 3 && ssids[i]; i++ ) {
3888 mySsid.ssids[i].len = strlen(ssids[i]);
3889 if ( mySsid.ssids[i].len > 32 )
3890 mySsid.ssids[i].len = 32;
3891 memcpy(mySsid.ssids[i].ssid, ssids[i],
3892 mySsid.ssids[i].len);
3893 }
3894 mySsid.len = sizeof(mySsid);
3895 }
3896
3897 status = writeConfigRid(ai, lock);
3898 if ( status != SUCCESS ) return ERROR;
3899
3900 /* Set up the SSID list */
3901 if ( ssids[0] ) {
3902 status = writeSsidRid(ai, &mySsid, lock);
3903 if ( status != SUCCESS ) return ERROR;
3904 }
3905
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003906 status = enable_MAC(ai, lock);
3907 if (status != SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003908 return ERROR;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003909
3910 /* Grab the initial wep key, we gotta save it for auto_wep */
3911 rc = readWepKeyRid(ai, &wkr, 1, lock);
3912 if (rc == SUCCESS) do {
3913 lastindex = wkr.kindex;
3914 if (wkr.kindex == 0xffff) {
3915 ai->defindex = wkr.mac[0];
3916 }
3917 rc = readWepKeyRid(ai, &wkr, 0, lock);
3918 } while(lastindex != wkr.kindex);
3919
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02003920 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003921
3922 return SUCCESS;
3923}
3924
3925static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3926 // Im really paranoid about letting it run forever!
3927 int max_tries = 600000;
3928
3929 if (IN4500(ai, EVSTAT) & EV_CMD)
3930 OUT4500(ai, EVACK, EV_CMD);
3931
3932 OUT4500(ai, PARAM0, pCmd->parm0);
3933 OUT4500(ai, PARAM1, pCmd->parm1);
3934 OUT4500(ai, PARAM2, pCmd->parm2);
3935 OUT4500(ai, COMMAND, pCmd->cmd);
3936
3937 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3938 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3939 // PC4500 didn't notice command, try again
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941 if (!in_atomic() && (max_tries & 255) == 0)
3942 schedule();
3943 }
3944
3945 if ( max_tries == -1 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003946 airo_print_err(ai->dev->name,
3947 "Max tries exceeded when issueing command");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003948 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3949 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3950 return ERROR;
3951 }
3952
3953 // command completed
3954 pRsp->status = IN4500(ai, STATUS);
3955 pRsp->rsp0 = IN4500(ai, RESP0);
3956 pRsp->rsp1 = IN4500(ai, RESP1);
3957 pRsp->rsp2 = IN4500(ai, RESP2);
Robert Schulze13dca9b2006-07-10 18:37:44 +02003958 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3959 airo_print_err(ai->dev->name,
3960 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3961 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3962 pRsp->rsp2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003963
3964 // clear stuck command busy if necessary
3965 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3966 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3967 }
3968 // acknowledge processing the status/response
3969 OUT4500(ai, EVACK, EV_CMD);
3970
3971 return SUCCESS;
3972}
3973
3974/* Sets up the bap to start exchange data. whichbap should
3975 * be one of the BAP0 or BAP1 defines. Locks should be held before
3976 * calling! */
3977static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3978{
3979 int timeout = 50;
3980 int max_tries = 3;
3981
3982 OUT4500(ai, SELECT0+whichbap, rid);
3983 OUT4500(ai, OFFSET0+whichbap, offset);
3984 while (1) {
3985 int status = IN4500(ai, OFFSET0+whichbap);
3986 if (status & BAP_BUSY) {
3987 /* This isn't really a timeout, but its kinda
3988 close */
3989 if (timeout--) {
3990 continue;
3991 }
3992 } else if ( status & BAP_ERR ) {
3993 /* invalid rid or offset */
Dan Williams934d8bf2006-03-16 13:46:23 -05003994 airo_print_err(ai->dev->name, "BAP error %x %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003995 status, whichbap );
3996 return ERROR;
3997 } else if (status & BAP_DONE) { // success
3998 return SUCCESS;
3999 }
4000 if ( !(max_tries--) ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004001 airo_print_err(ai->dev->name,
Michal Schmidt1138c372007-06-29 15:33:41 +02004002 "BAP setup error too many retries\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004003 return ERROR;
4004 }
4005 // -- PC4500 missed it, try again
4006 OUT4500(ai, SELECT0+whichbap, rid);
4007 OUT4500(ai, OFFSET0+whichbap, offset);
4008 timeout = 50;
4009 }
4010}
4011
4012/* should only be called by aux_bap_read. This aux function and the
4013 following use concepts not documented in the developers guide. I
4014 got them from a patch given to my by Aironet */
4015static u16 aux_setup(struct airo_info *ai, u16 page,
4016 u16 offset, u16 *len)
4017{
4018 u16 next;
4019
4020 OUT4500(ai, AUXPAGE, page);
4021 OUT4500(ai, AUXOFF, 0);
4022 next = IN4500(ai, AUXDATA);
4023 *len = IN4500(ai, AUXDATA)&0xff;
4024 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4025 return next;
4026}
4027
4028/* requires call to bap_setup() first */
4029static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4030 int bytelen, int whichbap)
4031{
4032 u16 len;
4033 u16 page;
4034 u16 offset;
4035 u16 next;
4036 int words;
4037 int i;
4038 unsigned long flags;
4039
4040 spin_lock_irqsave(&ai->aux_lock, flags);
4041 page = IN4500(ai, SWS0+whichbap);
4042 offset = IN4500(ai, SWS2+whichbap);
4043 next = aux_setup(ai, page, offset, &len);
4044 words = (bytelen+1)>>1;
4045
4046 for (i=0; i<words;) {
4047 int count;
4048 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4049 if ( !do8bitIO )
4050 insw( ai->dev->base_addr+DATA0+whichbap,
4051 pu16Dst+i,count );
4052 else
4053 insb( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i, count << 1 );
4055 i += count;
4056 if (i<words) {
4057 next = aux_setup(ai, next, 4, &len);
4058 }
4059 }
4060 spin_unlock_irqrestore(&ai->aux_lock, flags);
4061 return SUCCESS;
4062}
4063
4064
4065/* requires call to bap_setup() first */
4066static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4067 int bytelen, int whichbap)
4068{
4069 bytelen = (bytelen + 1) & (~1); // round up to even value
4070 if ( !do8bitIO )
4071 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4072 else
4073 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4074 return SUCCESS;
4075}
4076
4077/* requires call to bap_setup() first */
4078static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4079 int bytelen, int whichbap)
4080{
4081 bytelen = (bytelen + 1) & (~1); // round up to even value
4082 if ( !do8bitIO )
4083 outsw( ai->dev->base_addr+DATA0+whichbap,
4084 pu16Src, bytelen>>1 );
4085 else
4086 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4087 return SUCCESS;
4088}
4089
4090static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4091{
4092 Cmd cmd; /* for issuing commands */
4093 Resp rsp; /* response from commands */
4094 u16 status;
4095
4096 memset(&cmd, 0, sizeof(cmd));
4097 cmd.cmd = accmd;
4098 cmd.parm0 = rid;
4099 status = issuecommand(ai, &cmd, &rsp);
4100 if (status != 0) return status;
4101 if ( (rsp.status & 0x7F00) != 0) {
4102 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4103 }
4104 return 0;
4105}
4106
4107/* Note, that we are using BAP1 which is also used by transmit, so
4108 * we must get a lock. */
4109static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4110{
4111 u16 status;
4112 int rc = SUCCESS;
4113
4114 if (lock) {
4115 if (down_interruptible(&ai->sem))
4116 return ERROR;
4117 }
4118 if (test_bit(FLAG_MPI,&ai->flags)) {
4119 Cmd cmd;
4120 Resp rsp;
4121
4122 memset(&cmd, 0, sizeof(cmd));
4123 memset(&rsp, 0, sizeof(rsp));
4124 ai->config_desc.rid_desc.valid = 1;
4125 ai->config_desc.rid_desc.len = RIDSIZE;
4126 ai->config_desc.rid_desc.rid = 0;
4127 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4128
4129 cmd.cmd = CMD_ACCESS;
4130 cmd.parm0 = rid;
4131
4132 memcpy_toio(ai->config_desc.card_ram_off,
4133 &ai->config_desc.rid_desc, sizeof(Rid));
4134
4135 rc = issuecommand(ai, &cmd, &rsp);
4136
4137 if (rsp.status & 0x7f00)
4138 rc = rsp.rsp0;
4139 if (!rc)
4140 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4141 goto done;
4142 } else {
4143 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4144 rc = status;
4145 goto done;
4146 }
4147 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4148 rc = ERROR;
4149 goto done;
4150 }
4151 // read the rid length field
4152 bap_read(ai, pBuf, 2, BAP1);
4153 // length for remaining part of rid
4154 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4155
4156 if ( len <= 2 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004157 airo_print_err(ai->dev->name,
4158 "Rid %x has a length of %d which is too short",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004159 (int)rid, (int)len );
4160 rc = ERROR;
4161 goto done;
4162 }
4163 // read remainder of the rid
4164 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4165 }
4166done:
4167 if (lock)
4168 up(&ai->sem);
4169 return rc;
4170}
4171
4172/* Note, that we are using BAP1 which is also used by transmit, so
4173 * make sure this isnt called when a transmit is happening */
4174static int PC4500_writerid(struct airo_info *ai, u16 rid,
4175 const void *pBuf, int len, int lock)
4176{
4177 u16 status;
4178 int rc = SUCCESS;
4179
4180 *(u16*)pBuf = cpu_to_le16((u16)len);
4181
4182 if (lock) {
4183 if (down_interruptible(&ai->sem))
4184 return ERROR;
4185 }
4186 if (test_bit(FLAG_MPI,&ai->flags)) {
4187 Cmd cmd;
4188 Resp rsp;
4189
Dan Streetmanf89b2322005-11-11 11:41:42 -05004190 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
Dan Williams934d8bf2006-03-16 13:46:23 -05004191 airo_print_err(ai->dev->name,
4192 "%s: MAC should be disabled (rid=%04x)",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004193 __FUNCTION__, rid);
4194 memset(&cmd, 0, sizeof(cmd));
4195 memset(&rsp, 0, sizeof(rsp));
4196
4197 ai->config_desc.rid_desc.valid = 1;
4198 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4199 ai->config_desc.rid_desc.rid = 0;
4200
4201 cmd.cmd = CMD_WRITERID;
4202 cmd.parm0 = rid;
4203
4204 memcpy_toio(ai->config_desc.card_ram_off,
4205 &ai->config_desc.rid_desc, sizeof(Rid));
4206
4207 if (len < 4 || len > 2047) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004208 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004209 rc = -1;
4210 } else {
4211 memcpy((char *)ai->config_desc.virtual_host_addr,
4212 pBuf, len);
4213
4214 rc = issuecommand(ai, &cmd, &rsp);
4215 if ((rc & 0xff00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004216 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4217 __FUNCTION__, rc);
4218 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4219 __FUNCTION__, cmd.cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004220 }
4221
4222 if ((rsp.status & 0x7f00))
4223 rc = rsp.rsp0;
4224 }
4225 } else {
4226 // --- first access so that we can write the rid data
4227 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4228 rc = status;
4229 goto done;
4230 }
4231 // --- now write the rid data
4232 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4233 rc = ERROR;
4234 goto done;
4235 }
4236 bap_write(ai, pBuf, len, BAP1);
4237 // ---now commit the rid data
4238 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4239 }
4240done:
4241 if (lock)
4242 up(&ai->sem);
4243 return rc;
4244}
4245
4246/* Allocates a FID to be used for transmitting packets. We only use
4247 one for now. */
4248static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4249{
4250 unsigned int loop = 3000;
4251 Cmd cmd;
4252 Resp rsp;
4253 u16 txFid;
4254 u16 txControl;
4255
4256 cmd.cmd = CMD_ALLOCATETX;
4257 cmd.parm0 = lenPayload;
4258 if (down_interruptible(&ai->sem))
4259 return ERROR;
4260 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4261 txFid = ERROR;
4262 goto done;
4263 }
4264 if ( (rsp.status & 0xFF00) != 0) {
4265 txFid = ERROR;
4266 goto done;
4267 }
4268 /* wait for the allocate event/indication
4269 * It makes me kind of nervous that this can just sit here and spin,
4270 * but in practice it only loops like four times. */
4271 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4272 if (!loop) {
4273 txFid = ERROR;
4274 goto done;
4275 }
4276
4277 // get the allocated fid and acknowledge
4278 txFid = IN4500(ai, TXALLOCFID);
4279 OUT4500(ai, EVACK, EV_ALLOC);
4280
4281 /* The CARD is pretty cool since it converts the ethernet packet
4282 * into 802.11. Also note that we don't release the FID since we
4283 * will be using the same one over and over again. */
4284 /* We only have to setup the control once since we are not
4285 * releasing the fid. */
4286 if (raw)
4287 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4288 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4289 else
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4293 txFid = ERROR;
4294 else
4295 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4296
4297done:
4298 up(&ai->sem);
4299
4300 return txFid;
4301}
4302
4303/* In general BAP1 is dedicated to transmiting packets. However,
4304 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4305 Make sure the BAP1 spinlock is held when this is called. */
4306static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4307{
4308 u16 payloadLen;
4309 Cmd cmd;
4310 Resp rsp;
4311 int miclen = 0;
4312 u16 txFid = len;
4313 MICBuffer pMic;
4314
4315 len >>= 16;
4316
4317 if (len <= ETH_ALEN * 2) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004318 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004319 return ERROR;
4320 }
4321 len -= ETH_ALEN * 2;
4322
Linus Torvalds1da177e2005-04-16 15:20:36 -07004323 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4324 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4325 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4326 return ERROR;
4327 miclen = sizeof(pMic);
4328 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004329 // packet is destination[6], source[6], payload[len-12]
4330 // write the payload length and dst/src/payload
4331 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4332 /* The hardware addresses aren't counted as part of the payload, so
4333 * we have to subtract the 12 bytes for the addresses off */
4334 payloadLen = cpu_to_le16(len + miclen);
4335 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4336 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4337 if (miclen)
4338 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4339 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4340 // issue the transmit command
4341 memset( &cmd, 0, sizeof( cmd ) );
4342 cmd.cmd = CMD_TRANSMIT;
4343 cmd.parm0 = txFid;
4344 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4345 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4346 return SUCCESS;
4347}
4348
4349static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4350{
4351 u16 fc, payloadLen;
4352 Cmd cmd;
4353 Resp rsp;
4354 int hdrlen;
Al Viro977b1432007-12-19 16:45:29 -05004355 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4356 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
Linus Torvalds1da177e2005-04-16 15:20:36 -07004357 u16 txFid = len;
4358 len >>= 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004359
Al Viro0300b332007-12-19 22:38:33 -05004360 fc = *(__le16*)pPacket;
4361 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004362
4363 if (len < hdrlen) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004364 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004365 return ERROR;
4366 }
4367
4368 /* packet is 802.11 header + payload
4369 * write the payload length and dst/src/payload */
4370 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4371 /* The 802.11 header aren't counted as part of the payload, so
4372 * we have to subtract the header bytes off */
4373 payloadLen = cpu_to_le16(len-hdrlen);
4374 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4375 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4376 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
Al Viro977b1432007-12-19 16:45:29 -05004377 bap_write(ai, (u16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004378
4379 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4380 // issue the transmit command
4381 memset( &cmd, 0, sizeof( cmd ) );
4382 cmd.cmd = CMD_TRANSMIT;
4383 cmd.parm0 = txFid;
4384 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4385 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4386 return SUCCESS;
4387}
4388
4389/*
4390 * This is the proc_fs routines. It is a bit messier than I would
4391 * like! Feel free to clean it up!
4392 */
4393
4394static ssize_t proc_read( struct file *file,
4395 char __user *buffer,
4396 size_t len,
4397 loff_t *offset);
4398
4399static ssize_t proc_write( struct file *file,
4400 const char __user *buffer,
4401 size_t len,
4402 loff_t *offset );
4403static int proc_close( struct inode *inode, struct file *file );
4404
4405static int proc_stats_open( struct inode *inode, struct file *file );
4406static int proc_statsdelta_open( struct inode *inode, struct file *file );
4407static int proc_status_open( struct inode *inode, struct file *file );
4408static int proc_SSID_open( struct inode *inode, struct file *file );
4409static int proc_APList_open( struct inode *inode, struct file *file );
4410static int proc_BSSList_open( struct inode *inode, struct file *file );
4411static int proc_config_open( struct inode *inode, struct file *file );
4412static int proc_wepkey_open( struct inode *inode, struct file *file );
4413
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004414static const struct file_operations proc_statsdelta_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004415 .read = proc_read,
4416 .open = proc_statsdelta_open,
4417 .release = proc_close
4418};
4419
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004420static const struct file_operations proc_stats_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004421 .read = proc_read,
4422 .open = proc_stats_open,
4423 .release = proc_close
4424};
4425
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004426static const struct file_operations proc_status_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004427 .read = proc_read,
4428 .open = proc_status_open,
4429 .release = proc_close
4430};
4431
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004432static const struct file_operations proc_SSID_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004433 .read = proc_read,
4434 .write = proc_write,
4435 .open = proc_SSID_open,
4436 .release = proc_close
4437};
4438
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004439static const struct file_operations proc_BSSList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004440 .read = proc_read,
4441 .write = proc_write,
4442 .open = proc_BSSList_open,
4443 .release = proc_close
4444};
4445
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004446static const struct file_operations proc_APList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004447 .read = proc_read,
4448 .write = proc_write,
4449 .open = proc_APList_open,
4450 .release = proc_close
4451};
4452
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004453static const struct file_operations proc_config_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004454 .read = proc_read,
4455 .write = proc_write,
4456 .open = proc_config_open,
4457 .release = proc_close
4458};
4459
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004460static const struct file_operations proc_wepkey_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004461 .read = proc_read,
4462 .write = proc_write,
4463 .open = proc_wepkey_open,
4464 .release = proc_close
4465};
4466
4467static struct proc_dir_entry *airo_entry;
4468
4469struct proc_data {
4470 int release_buffer;
4471 int readlen;
4472 char *rbuffer;
4473 int writelen;
4474 int maxwritelen;
4475 char *wbuffer;
4476 void (*on_close) (struct inode *, struct file *);
4477};
4478
4479#ifndef SETPROC_OPS
4480#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4481#endif
4482
4483static int setup_proc_entry( struct net_device *dev,
4484 struct airo_info *apriv ) {
4485 struct proc_dir_entry *entry;
4486 /* First setup the device directory */
4487 strcpy(apriv->proc_name,dev->name);
4488 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4489 S_IFDIR|airo_perm,
4490 airo_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004491 if (!apriv->proc_entry)
4492 goto fail;
4493 apriv->proc_entry->uid = proc_uid;
4494 apriv->proc_entry->gid = proc_gid;
4495 apriv->proc_entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004496
4497 /* Setup the StatsDelta */
4498 entry = create_proc_entry("StatsDelta",
4499 S_IFREG | (S_IRUGO&proc_perm),
4500 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004501 if (!entry)
4502 goto fail_stats_delta;
4503 entry->uid = proc_uid;
4504 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004505 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004506 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004507 SETPROC_OPS(entry, proc_statsdelta_ops);
4508
4509 /* Setup the Stats */
4510 entry = create_proc_entry("Stats",
4511 S_IFREG | (S_IRUGO&proc_perm),
4512 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004513 if (!entry)
4514 goto fail_stats;
4515 entry->uid = proc_uid;
4516 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004517 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004518 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004519 SETPROC_OPS(entry, proc_stats_ops);
4520
4521 /* Setup the Status */
4522 entry = create_proc_entry("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004525 if (!entry)
4526 goto fail_status;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004529 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004530 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004531 SETPROC_OPS(entry, proc_status_ops);
4532
4533 /* Setup the Config */
4534 entry = create_proc_entry("Config",
4535 S_IFREG | proc_perm,
4536 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004537 if (!entry)
4538 goto fail_config;
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004541 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004542 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004543 SETPROC_OPS(entry, proc_config_ops);
4544
4545 /* Setup the SSID */
4546 entry = create_proc_entry("SSID",
4547 S_IFREG | proc_perm,
4548 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004549 if (!entry)
4550 goto fail_ssid;
4551 entry->uid = proc_uid;
4552 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004553 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004554 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004555 SETPROC_OPS(entry, proc_SSID_ops);
4556
4557 /* Setup the APList */
4558 entry = create_proc_entry("APList",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004561 if (!entry)
4562 goto fail_aplist;
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004565 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004566 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004567 SETPROC_OPS(entry, proc_APList_ops);
4568
4569 /* Setup the BSSList */
4570 entry = create_proc_entry("BSSList",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004573 if (!entry)
4574 goto fail_bsslist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
4577 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004578 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004579 SETPROC_OPS(entry, proc_BSSList_ops);
4580
4581 /* Setup the WepKey */
4582 entry = create_proc_entry("WepKey",
4583 S_IFREG | proc_perm,
4584 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004585 if (!entry)
4586 goto fail_wepkey;
4587 entry->uid = proc_uid;
4588 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004589 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004590 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004591 SETPROC_OPS(entry, proc_wepkey_ops);
4592
4593 return 0;
Florin Malita431aca52006-10-10 16:46:30 -04004594
4595fail_wepkey:
4596 remove_proc_entry("BSSList", apriv->proc_entry);
4597fail_bsslist:
4598 remove_proc_entry("APList", apriv->proc_entry);
4599fail_aplist:
4600 remove_proc_entry("SSID", apriv->proc_entry);
4601fail_ssid:
4602 remove_proc_entry("Config", apriv->proc_entry);
4603fail_config:
4604 remove_proc_entry("Status", apriv->proc_entry);
4605fail_status:
4606 remove_proc_entry("Stats", apriv->proc_entry);
4607fail_stats:
4608 remove_proc_entry("StatsDelta", apriv->proc_entry);
4609fail_stats_delta:
4610 remove_proc_entry(apriv->proc_name, airo_entry);
4611fail:
4612 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004613}
4614
4615static int takedown_proc_entry( struct net_device *dev,
4616 struct airo_info *apriv ) {
4617 if ( !apriv->proc_entry->namelen ) return 0;
4618 remove_proc_entry("Stats",apriv->proc_entry);
4619 remove_proc_entry("StatsDelta",apriv->proc_entry);
4620 remove_proc_entry("Status",apriv->proc_entry);
4621 remove_proc_entry("Config",apriv->proc_entry);
4622 remove_proc_entry("SSID",apriv->proc_entry);
4623 remove_proc_entry("APList",apriv->proc_entry);
4624 remove_proc_entry("BSSList",apriv->proc_entry);
4625 remove_proc_entry("WepKey",apriv->proc_entry);
4626 remove_proc_entry(apriv->proc_name,airo_entry);
4627 return 0;
4628}
4629
4630/*
4631 * What we want from the proc_fs is to be able to efficiently read
4632 * and write the configuration. To do this, we want to read the
4633 * configuration when the file is opened and write it when the file is
4634 * closed. So basically we allocate a read buffer at open and fill it
4635 * with data, and allocate a write buffer and read it at close.
4636 */
4637
4638/*
4639 * The read routine is generic, it relies on the preallocated rbuffer
4640 * to supply the data.
4641 */
4642static ssize_t proc_read( struct file *file,
4643 char __user *buffer,
4644 size_t len,
4645 loff_t *offset )
4646{
4647 loff_t pos = *offset;
4648 struct proc_data *priv = (struct proc_data*)file->private_data;
4649
4650 if (!priv->rbuffer)
4651 return -EINVAL;
4652
4653 if (pos < 0)
4654 return -EINVAL;
4655 if (pos >= priv->readlen)
4656 return 0;
4657 if (len > priv->readlen - pos)
4658 len = priv->readlen - pos;
4659 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4660 return -EFAULT;
4661 *offset = pos + len;
4662 return len;
4663}
4664
4665/*
4666 * The write routine is generic, it fills in a preallocated rbuffer
4667 * to supply the data.
4668 */
4669static ssize_t proc_write( struct file *file,
4670 const char __user *buffer,
4671 size_t len,
4672 loff_t *offset )
4673{
4674 loff_t pos = *offset;
4675 struct proc_data *priv = (struct proc_data*)file->private_data;
4676
4677 if (!priv->wbuffer)
4678 return -EINVAL;
4679
4680 if (pos < 0)
4681 return -EINVAL;
4682 if (pos >= priv->maxwritelen)
4683 return 0;
4684 if (len > priv->maxwritelen - pos)
4685 len = priv->maxwritelen - pos;
4686 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4687 return -EFAULT;
4688 if ( pos + len > priv->writelen )
4689 priv->writelen = len + file->f_pos;
4690 *offset = pos + len;
4691 return len;
4692}
4693
4694static int proc_status_open( struct inode *inode, struct file *file ) {
4695 struct proc_data *data;
4696 struct proc_dir_entry *dp = PDE(inode);
4697 struct net_device *dev = dp->data;
4698 struct airo_info *apriv = dev->priv;
4699 CapabilityRid cap_rid;
4700 StatusRid status_rid;
4701 int i;
4702
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004703 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004704 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004705 data = (struct proc_data *)file->private_data;
4706 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4707 kfree (file->private_data);
4708 return -ENOMEM;
4709 }
4710
4711 readStatusRid(apriv, &status_rid, 1);
4712 readCapabilityRid(apriv, &cap_rid, 1);
4713
4714 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4715 status_rid.mode & 1 ? "CFG ": "",
4716 status_rid.mode & 2 ? "ACT ": "",
4717 status_rid.mode & 0x10 ? "SYN ": "",
4718 status_rid.mode & 0x20 ? "LNK ": "",
4719 status_rid.mode & 0x40 ? "LEAP ": "",
4720 status_rid.mode & 0x80 ? "PRIV ": "",
4721 status_rid.mode & 0x100 ? "KEY ": "",
4722 status_rid.mode & 0x200 ? "WEP ": "",
4723 status_rid.mode & 0x8000 ? "ERR ": "");
4724 sprintf( data->rbuffer+i, "Mode: %x\n"
4725 "Signal Strength: %d\n"
4726 "Signal Quality: %d\n"
4727 "SSID: %-.*s\n"
4728 "AP: %-.16s\n"
4729 "Freq: %d\n"
4730 "BitRate: %dmbs\n"
4731 "Driver Version: %s\n"
4732 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4733 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4734 "Software Version: %x\nSoftware Subversion: %x\n"
4735 "Boot block version: %x\n",
4736 (int)status_rid.mode,
4737 (int)status_rid.normalizedSignalStrength,
4738 (int)status_rid.signalQuality,
4739 (int)status_rid.SSIDlen,
4740 status_rid.SSID,
4741 status_rid.apName,
4742 (int)status_rid.channel,
4743 (int)status_rid.currentXmitRate/2,
4744 version,
4745 cap_rid.prodName,
4746 cap_rid.manName,
4747 cap_rid.prodVer,
4748 cap_rid.radioType,
4749 cap_rid.country,
4750 cap_rid.hardVer,
4751 (int)cap_rid.softVer,
4752 (int)cap_rid.softSubVer,
4753 (int)cap_rid.bootBlockVer );
4754 data->readlen = strlen( data->rbuffer );
4755 return 0;
4756}
4757
4758static int proc_stats_rid_open(struct inode*, struct file*, u16);
4759static int proc_statsdelta_open( struct inode *inode,
4760 struct file *file ) {
4761 if (file->f_mode&FMODE_WRITE) {
4762 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4763 }
4764 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4765}
4766
4767static int proc_stats_open( struct inode *inode, struct file *file ) {
4768 return proc_stats_rid_open(inode, file, RID_STATS);
4769}
4770
4771static int proc_stats_rid_open( struct inode *inode,
4772 struct file *file,
4773 u16 rid ) {
4774 struct proc_data *data;
4775 struct proc_dir_entry *dp = PDE(inode);
4776 struct net_device *dev = dp->data;
4777 struct airo_info *apriv = dev->priv;
4778 StatsRid stats;
4779 int i, j;
4780 u32 *vals = stats.vals;
4781
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004782 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004783 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004784 data = (struct proc_data *)file->private_data;
4785 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4786 kfree (file->private_data);
4787 return -ENOMEM;
4788 }
4789
4790 readStatsRid(apriv, &stats, rid, 1);
4791
4792 j = 0;
4793 for(i=0; statsLabels[i]!=(char *)-1 &&
4794 i*4<stats.len; i++){
4795 if (!statsLabels[i]) continue;
4796 if (j+strlen(statsLabels[i])+16>4096) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004797 airo_print_warn(apriv->dev->name,
4798 "Potentially disasterous buffer overflow averted!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004799 break;
4800 }
4801 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4802 }
4803 if (i*4>=stats.len){
Dan Williams934d8bf2006-03-16 13:46:23 -05004804 airo_print_warn(apriv->dev->name, "Got a short rid");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004805 }
4806 data->readlen = j;
4807 return 0;
4808}
4809
4810static int get_dec_u16( char *buffer, int *start, int limit ) {
4811 u16 value;
4812 int valid = 0;
4813 for( value = 0; buffer[*start] >= '0' &&
4814 buffer[*start] <= '9' &&
4815 *start < limit; (*start)++ ) {
4816 valid = 1;
4817 value *= 10;
4818 value += buffer[*start] - '0';
4819 }
4820 if ( !valid ) return -1;
4821 return value;
4822}
4823
4824static int airo_config_commit(struct net_device *dev,
4825 struct iw_request_info *info, void *zwrq,
4826 char *extra);
4827
4828static void proc_config_on_close( struct inode *inode, struct file *file ) {
4829 struct proc_data *data = file->private_data;
4830 struct proc_dir_entry *dp = PDE(inode);
4831 struct net_device *dev = dp->data;
4832 struct airo_info *ai = dev->priv;
4833 char *line;
4834
4835 if ( !data->writelen ) return;
4836
4837 readConfigRid(ai, 1);
4838 set_bit (FLAG_COMMIT, &ai->flags);
4839
4840 line = data->wbuffer;
4841 while( line[0] ) {
4842/*** Mode processing */
4843 if ( !strncmp( line, "Mode: ", 6 ) ) {
4844 line += 6;
4845 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4846 set_bit (FLAG_RESET, &ai->flags);
4847 ai->config.rmode &= 0xfe00;
4848 clear_bit (FLAG_802_11, &ai->flags);
4849 ai->config.opmode &= 0xFF00;
4850 ai->config.scanMode = SCANMODE_ACTIVE;
4851 if ( line[0] == 'a' ) {
4852 ai->config.opmode |= 0;
4853 } else {
4854 ai->config.opmode |= 1;
4855 if ( line[0] == 'r' ) {
4856 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4857 ai->config.scanMode = SCANMODE_PASSIVE;
4858 set_bit (FLAG_802_11, &ai->flags);
4859 } else if ( line[0] == 'y' ) {
4860 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4861 ai->config.scanMode = SCANMODE_PASSIVE;
4862 set_bit (FLAG_802_11, &ai->flags);
4863 } else if ( line[0] == 'l' )
4864 ai->config.rmode |= RXMODE_LANMON;
4865 }
4866 set_bit (FLAG_COMMIT, &ai->flags);
4867 }
4868
4869/*** Radio status */
4870 else if (!strncmp(line,"Radio: ", 7)) {
4871 line += 7;
4872 if (!strncmp(line,"off",3)) {
4873 set_bit (FLAG_RADIO_OFF, &ai->flags);
4874 } else {
4875 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4876 }
4877 }
4878/*** NodeName processing */
4879 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4880 int j;
4881
4882 line += 10;
4883 memset( ai->config.nodeName, 0, 16 );
4884/* Do the name, assume a space between the mode and node name */
4885 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4886 ai->config.nodeName[j] = line[j];
4887 }
4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 }
4890
4891/*** PowerMode processing */
4892 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4893 line += 11;
4894 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4895 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4897 } else if ( !strncmp( line, "PSP", 3 ) ) {
4898 ai->config.powerSaveMode = POWERSAVE_PSP;
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else {
4901 ai->config.powerSaveMode = POWERSAVE_CAM;
4902 set_bit (FLAG_COMMIT, &ai->flags);
4903 }
4904 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4905 int v, i = 0, k = 0; /* i is index into line,
4906 k is index to rates */
4907
4908 line += 11;
4909 while((v = get_dec_u16(line, &i, 3))!=-1) {
4910 ai->config.rates[k++] = (u8)v;
4911 line += i + 1;
4912 i = 0;
4913 }
4914 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4916 int v, i = 0;
4917 line += 9;
4918 v = get_dec_u16(line, &i, i+3);
4919 if ( v != -1 ) {
4920 ai->config.channelSet = (u16)v;
4921 set_bit (FLAG_COMMIT, &ai->flags);
4922 }
4923 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4924 int v, i = 0;
4925 line += 11;
4926 v = get_dec_u16(line, &i, i+3);
4927 if ( v != -1 ) {
4928 ai->config.txPower = (u16)v;
4929 set_bit (FLAG_COMMIT, &ai->flags);
4930 }
4931 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4932 line += 5;
4933 switch( line[0] ) {
4934 case 's':
4935 ai->config.authType = (u16)AUTH_SHAREDKEY;
4936 break;
4937 case 'e':
4938 ai->config.authType = (u16)AUTH_ENCRYPT;
4939 break;
4940 default:
4941 ai->config.authType = (u16)AUTH_OPEN;
4942 break;
4943 }
4944 set_bit (FLAG_COMMIT, &ai->flags);
4945 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4946 int v, i = 0;
4947
4948 line += 16;
4949 v = get_dec_u16(line, &i, 3);
4950 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4951 ai->config.longRetryLimit = (u16)v;
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4954 int v, i = 0;
4955
4956 line += 17;
4957 v = get_dec_u16(line, &i, 3);
4958 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4959 ai->config.shortRetryLimit = (u16)v;
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4962 int v, i = 0;
4963
4964 line += 14;
4965 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004966 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004967 ai->config.rtsThres = (u16)v;
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4970 int v, i = 0;
4971
4972 line += 16;
4973 v = get_dec_u16(line, &i, 5);
4974 v = (v<0) ? 0 : v;
4975 ai->config.txLifetime = (u16)v;
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4978 int v, i = 0;
4979
4980 line += 16;
4981 v = get_dec_u16(line, &i, 5);
4982 v = (v<0) ? 0 : v;
4983 ai->config.rxLifetime = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4986 ai->config.txDiversity =
4987 (line[13]=='l') ? 1 :
4988 ((line[13]=='r')? 2: 3);
4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4991 ai->config.rxDiversity =
4992 (line[13]=='l') ? 1 :
4993 ((line[13]=='r')? 2: 3);
4994 set_bit (FLAG_COMMIT, &ai->flags);
4995 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4996 int v, i = 0;
4997
4998 line += 15;
4999 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05005000 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005001 v = v & 0xfffe; /* Make sure its even */
5002 ai->config.fragThresh = (u16)v;
5003 set_bit (FLAG_COMMIT, &ai->flags);
5004 } else if (!strncmp(line, "Modulation: ", 12)) {
5005 line += 12;
5006 switch(*line) {
5007 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5008 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5009 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005010 default: airo_print_warn(ai->dev->name, "Unknown modulation");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005011 }
5012 } else if (!strncmp(line, "Preamble: ", 10)) {
5013 line += 10;
5014 switch(*line) {
5015 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5016 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5017 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005018 default: airo_print_warn(ai->dev->name, "Unknown preamble");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005019 }
5020 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005021 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005022 }
5023 while( line[0] && line[0] != '\n' ) line++;
5024 if ( line[0] ) line++;
5025 }
5026 airo_config_commit(dev, NULL, NULL, NULL);
5027}
5028
5029static char *get_rmode(u16 mode) {
5030 switch(mode&0xff) {
5031 case RXMODE_RFMON: return "rfmon";
5032 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5033 case RXMODE_LANMON: return "lanmon";
5034 }
5035 return "ESS";
5036}
5037
5038static int proc_config_open( struct inode *inode, struct file *file ) {
5039 struct proc_data *data;
5040 struct proc_dir_entry *dp = PDE(inode);
5041 struct net_device *dev = dp->data;
5042 struct airo_info *ai = dev->priv;
5043 int i;
5044
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005045 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005046 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005047 data = (struct proc_data *)file->private_data;
5048 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5049 kfree (file->private_data);
5050 return -ENOMEM;
5051 }
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005052 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005053 kfree (data->rbuffer);
5054 kfree (file->private_data);
5055 return -ENOMEM;
5056 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005057 data->maxwritelen = 2048;
5058 data->on_close = proc_config_on_close;
5059
5060 readConfigRid(ai, 1);
5061
5062 i = sprintf( data->rbuffer,
5063 "Mode: %s\n"
5064 "Radio: %s\n"
5065 "NodeName: %-16s\n"
5066 "PowerMode: %s\n"
5067 "DataRates: %d %d %d %d %d %d %d %d\n"
5068 "Channel: %d\n"
5069 "XmitPower: %d\n",
5070 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5071 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5072 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5073 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5074 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5075 ai->config.nodeName,
5076 ai->config.powerSaveMode == 0 ? "CAM" :
5077 ai->config.powerSaveMode == 1 ? "PSP" :
5078 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5079 (int)ai->config.rates[0],
5080 (int)ai->config.rates[1],
5081 (int)ai->config.rates[2],
5082 (int)ai->config.rates[3],
5083 (int)ai->config.rates[4],
5084 (int)ai->config.rates[5],
5085 (int)ai->config.rates[6],
5086 (int)ai->config.rates[7],
5087 (int)ai->config.channelSet,
5088 (int)ai->config.txPower
5089 );
5090 sprintf( data->rbuffer + i,
5091 "LongRetryLimit: %d\n"
5092 "ShortRetryLimit: %d\n"
5093 "RTSThreshold: %d\n"
5094 "TXMSDULifetime: %d\n"
5095 "RXMSDULifetime: %d\n"
5096 "TXDiversity: %s\n"
5097 "RXDiversity: %s\n"
5098 "FragThreshold: %d\n"
5099 "WEP: %s\n"
5100 "Modulation: %s\n"
5101 "Preamble: %s\n",
5102 (int)ai->config.longRetryLimit,
5103 (int)ai->config.shortRetryLimit,
5104 (int)ai->config.rtsThres,
5105 (int)ai->config.txLifetime,
5106 (int)ai->config.rxLifetime,
5107 ai->config.txDiversity == 1 ? "left" :
5108 ai->config.txDiversity == 2 ? "right" : "both",
5109 ai->config.rxDiversity == 1 ? "left" :
5110 ai->config.rxDiversity == 2 ? "right" : "both",
5111 (int)ai->config.fragThresh,
5112 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5113 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5114 ai->config.modulation == 0 ? "default" :
5115 ai->config.modulation == MOD_CCK ? "cck" :
5116 ai->config.modulation == MOD_MOK ? "mok" : "error",
5117 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5118 ai->config.preamble == PREAMBLE_LONG ? "long" :
5119 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5120 );
5121 data->readlen = strlen( data->rbuffer );
5122 return 0;
5123}
5124
5125static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5126 struct proc_data *data = (struct proc_data *)file->private_data;
5127 struct proc_dir_entry *dp = PDE(inode);
5128 struct net_device *dev = dp->data;
5129 struct airo_info *ai = dev->priv;
5130 SsidRid SSID_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005131 int i;
5132 int offset = 0;
5133
5134 if ( !data->writelen ) return;
5135
5136 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5137
5138 for( i = 0; i < 3; i++ ) {
5139 int j;
5140 for( j = 0; j+offset < data->writelen && j < 32 &&
5141 data->wbuffer[offset+j] != '\n'; j++ ) {
5142 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5143 }
5144 if ( j == 0 ) break;
5145 SSID_rid.ssids[i].len = j;
5146 offset += j;
5147 while( data->wbuffer[offset] != '\n' &&
5148 offset < data->writelen ) offset++;
5149 offset++;
5150 }
5151 if (i)
5152 SSID_rid.len = sizeof(SSID_rid);
5153 disable_MAC(ai, 1);
5154 writeSsidRid(ai, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005155 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005156}
5157
Jesper Juhl77933d72005-07-27 11:46:09 -07005158static inline u8 hexVal(char c) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005159 if (c>='0' && c<='9') return c -= '0';
5160 if (c>='a' && c<='f') return c -= 'a'-10;
5161 if (c>='A' && c<='F') return c -= 'A'-10;
5162 return 0;
5163}
5164
5165static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5166 struct proc_data *data = (struct proc_data *)file->private_data;
5167 struct proc_dir_entry *dp = PDE(inode);
5168 struct net_device *dev = dp->data;
5169 struct airo_info *ai = dev->priv;
5170 APListRid APList_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005171 int i;
5172
5173 if ( !data->writelen ) return;
5174
5175 memset( &APList_rid, 0, sizeof(APList_rid) );
5176 APList_rid.len = sizeof(APList_rid);
5177
5178 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5179 int j;
5180 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5181 switch(j%3) {
5182 case 0:
5183 APList_rid.ap[i][j/3]=
5184 hexVal(data->wbuffer[j+i*6*3])<<4;
5185 break;
5186 case 1:
5187 APList_rid.ap[i][j/3]|=
5188 hexVal(data->wbuffer[j+i*6*3]);
5189 break;
5190 }
5191 }
5192 }
5193 disable_MAC(ai, 1);
5194 writeAPListRid(ai, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005195 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005196}
5197
5198/* This function wraps PC4500_writerid with a MAC disable */
5199static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5200 int len, int dummy ) {
5201 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005202
5203 disable_MAC(ai, 1);
5204 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005205 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005206 return rc;
5207}
5208
5209/* Returns the length of the key at the index. If index == 0xffff
5210 * the index of the transmit key is returned. If the key doesn't exist,
5211 * -1 will be returned.
5212 */
5213static int get_wep_key(struct airo_info *ai, u16 index) {
5214 WepKeyRid wkr;
5215 int rc;
5216 u16 lastindex;
5217
5218 rc = readWepKeyRid(ai, &wkr, 1, 1);
5219 if (rc == SUCCESS) do {
5220 lastindex = wkr.kindex;
5221 if (wkr.kindex == index) {
5222 if (index == 0xffff) {
5223 return wkr.mac[0];
5224 }
5225 return wkr.klen;
5226 }
5227 readWepKeyRid(ai, &wkr, 0, 1);
5228 } while(lastindex != wkr.kindex);
5229 return -1;
5230}
5231
5232static int set_wep_key(struct airo_info *ai, u16 index,
5233 const char *key, u16 keylen, int perm, int lock ) {
5234 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5235 WepKeyRid wkr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005236
5237 memset(&wkr, 0, sizeof(wkr));
5238 if (keylen == 0) {
5239// We are selecting which key to use
5240 wkr.len = sizeof(wkr);
5241 wkr.kindex = 0xffff;
5242 wkr.mac[0] = (char)index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005243 if (perm) ai->defindex = (char)index;
5244 } else {
5245// We are actually setting the key
5246 wkr.len = sizeof(wkr);
5247 wkr.kindex = index;
5248 wkr.klen = keylen;
5249 memcpy( wkr.key, key, keylen );
5250 memcpy( wkr.mac, macaddr, ETH_ALEN );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005251 }
5252
Dan Streetmanf89b2322005-11-11 11:41:42 -05005253 if (perm) disable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005254 writeWepKeyRid(ai, &wkr, perm, lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005255 if (perm) enable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005256 return 0;
5257}
5258
5259static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5260 struct proc_data *data;
5261 struct proc_dir_entry *dp = PDE(inode);
5262 struct net_device *dev = dp->data;
5263 struct airo_info *ai = dev->priv;
5264 int i;
5265 char key[16];
5266 u16 index = 0;
5267 int j = 0;
5268
5269 memset(key, 0, sizeof(key));
5270
5271 data = (struct proc_data *)file->private_data;
5272 if ( !data->writelen ) return;
5273
5274 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5275 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5276 index = data->wbuffer[0] - '0';
5277 if (data->wbuffer[1] == '\n') {
5278 set_wep_key(ai, index, NULL, 0, 1, 1);
5279 return;
5280 }
5281 j = 2;
5282 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005283 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005284 return;
5285 }
5286
5287 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5288 switch(i%3) {
5289 case 0:
5290 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5291 break;
5292 case 1:
5293 key[i/3] |= hexVal(data->wbuffer[i+j]);
5294 break;
5295 }
5296 }
5297 set_wep_key(ai, index, key, i/3, 1, 1);
5298}
5299
5300static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5301 struct proc_data *data;
5302 struct proc_dir_entry *dp = PDE(inode);
5303 struct net_device *dev = dp->data;
5304 struct airo_info *ai = dev->priv;
5305 char *ptr;
5306 WepKeyRid wkr;
5307 u16 lastindex;
5308 int j=0;
5309 int rc;
5310
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005311 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005312 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005313 memset(&wkr, 0, sizeof(wkr));
5314 data = (struct proc_data *)file->private_data;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005315 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005316 kfree (file->private_data);
5317 return -ENOMEM;
5318 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005319 data->writelen = 0;
5320 data->maxwritelen = 80;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005321 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005322 kfree (data->rbuffer);
5323 kfree (file->private_data);
5324 return -ENOMEM;
5325 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005326 data->on_close = proc_wepkey_on_close;
5327
5328 ptr = data->rbuffer;
5329 strcpy(ptr, "No wep keys\n");
5330 rc = readWepKeyRid(ai, &wkr, 1, 1);
5331 if (rc == SUCCESS) do {
5332 lastindex = wkr.kindex;
5333 if (wkr.kindex == 0xffff) {
5334 j += sprintf(ptr+j, "Tx key = %d\n",
5335 (int)wkr.mac[0]);
5336 } else {
5337 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5338 (int)wkr.kindex, (int)wkr.klen);
5339 }
5340 readWepKeyRid(ai, &wkr, 0, 1);
5341 } while((lastindex != wkr.kindex) && (j < 180-30));
5342
5343 data->readlen = strlen( data->rbuffer );
5344 return 0;
5345}
5346
5347static int proc_SSID_open( struct inode *inode, struct file *file ) {
5348 struct proc_data *data;
5349 struct proc_dir_entry *dp = PDE(inode);
5350 struct net_device *dev = dp->data;
5351 struct airo_info *ai = dev->priv;
5352 int i;
5353 char *ptr;
5354 SsidRid SSID_rid;
5355
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005356 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005357 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005358 data = (struct proc_data *)file->private_data;
5359 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5360 kfree (file->private_data);
5361 return -ENOMEM;
5362 }
5363 data->writelen = 0;
5364 data->maxwritelen = 33*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005365 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005366 kfree (data->rbuffer);
5367 kfree (file->private_data);
5368 return -ENOMEM;
5369 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005370 data->on_close = proc_SSID_on_close;
5371
5372 readSsidRid(ai, &SSID_rid);
5373 ptr = data->rbuffer;
5374 for( i = 0; i < 3; i++ ) {
5375 int j;
5376 if ( !SSID_rid.ssids[i].len ) break;
5377 for( j = 0; j < 32 &&
5378 j < SSID_rid.ssids[i].len &&
5379 SSID_rid.ssids[i].ssid[j]; j++ ) {
5380 *ptr++ = SSID_rid.ssids[i].ssid[j];
5381 }
5382 *ptr++ = '\n';
5383 }
5384 *ptr = '\0';
5385 data->readlen = strlen( data->rbuffer );
5386 return 0;
5387}
5388
5389static int proc_APList_open( struct inode *inode, struct file *file ) {
5390 struct proc_data *data;
5391 struct proc_dir_entry *dp = PDE(inode);
5392 struct net_device *dev = dp->data;
5393 struct airo_info *ai = dev->priv;
5394 int i;
5395 char *ptr;
5396 APListRid APList_rid;
Joe Perches0795af52007-10-03 17:59:30 -07005397 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005398
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005399 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005400 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005401 data = (struct proc_data *)file->private_data;
5402 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5403 kfree (file->private_data);
5404 return -ENOMEM;
5405 }
5406 data->writelen = 0;
5407 data->maxwritelen = 4*6*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005408 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005409 kfree (data->rbuffer);
5410 kfree (file->private_data);
5411 return -ENOMEM;
5412 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005413 data->on_close = proc_APList_on_close;
5414
5415 readAPListRid(ai, &APList_rid);
5416 ptr = data->rbuffer;
5417 for( i = 0; i < 4; i++ ) {
5418// We end when we find a zero MAC
5419 if ( !*(int*)APList_rid.ap[i] &&
5420 !*(int*)&APList_rid.ap[i][2]) break;
Joe Perches0795af52007-10-03 17:59:30 -07005421 ptr += sprintf(ptr, "%s\n",
5422 print_mac(mac, APList_rid.ap[i]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005423 }
5424 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5425
5426 *ptr = '\0';
5427 data->readlen = strlen( data->rbuffer );
5428 return 0;
5429}
5430
5431static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5432 struct proc_data *data;
5433 struct proc_dir_entry *dp = PDE(inode);
5434 struct net_device *dev = dp->data;
5435 struct airo_info *ai = dev->priv;
5436 char *ptr;
5437 BSSListRid BSSList_rid;
5438 int rc;
5439 /* If doLoseSync is not 1, we won't do a Lose Sync */
5440 int doLoseSync = -1;
Joe Perches0795af52007-10-03 17:59:30 -07005441 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005442
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005443 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005444 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005445 data = (struct proc_data *)file->private_data;
5446 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5447 kfree (file->private_data);
5448 return -ENOMEM;
5449 }
5450 data->writelen = 0;
5451 data->maxwritelen = 0;
5452 data->wbuffer = NULL;
5453 data->on_close = NULL;
5454
5455 if (file->f_mode & FMODE_WRITE) {
5456 if (!(file->f_mode & FMODE_READ)) {
5457 Cmd cmd;
5458 Resp rsp;
5459
5460 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5461 memset(&cmd, 0, sizeof(cmd));
5462 cmd.cmd=CMD_LISTBSS;
5463 if (down_interruptible(&ai->sem))
5464 return -ERESTARTSYS;
5465 issuecommand(ai, &cmd, &rsp);
5466 up(&ai->sem);
5467 data->readlen = 0;
5468 return 0;
5469 }
5470 doLoseSync = 1;
5471 }
5472 ptr = data->rbuffer;
5473 /* There is a race condition here if there are concurrent opens.
5474 Since it is a rare condition, we'll just live with it, otherwise
5475 we have to add a spin lock... */
5476 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5477 while(rc == 0 && BSSList_rid.index != 0xffff) {
Joe Perches0795af52007-10-03 17:59:30 -07005478 ptr += sprintf(ptr, "%s %*s rssi = %d",
5479 print_mac(mac, BSSList_rid.bssid),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005480 (int)BSSList_rid.ssidLen,
5481 BSSList_rid.ssid,
Dan Williams41480af2005-05-10 09:45:51 -04005482 (int)BSSList_rid.dBm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005483 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5484 (int)BSSList_rid.dsChannel,
5485 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5486 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5487 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5488 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5489 rc = readBSSListRid(ai, 0, &BSSList_rid);
5490 }
5491 *ptr = '\0';
5492 data->readlen = strlen( data->rbuffer );
5493 return 0;
5494}
5495
5496static int proc_close( struct inode *inode, struct file *file )
5497{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04005498 struct proc_data *data = file->private_data;
5499
5500 if (data->on_close != NULL)
5501 data->on_close(inode, file);
5502 kfree(data->rbuffer);
5503 kfree(data->wbuffer);
5504 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005505 return 0;
5506}
5507
Linus Torvalds1da177e2005-04-16 15:20:36 -07005508/* Since the card doesn't automatically switch to the right WEP mode,
5509 we will make it do it. If the card isn't associated, every secs we
5510 will switch WEP modes to see if that will help. If the card is
5511 associated we will check every minute to see if anything has
5512 changed. */
5513static void timer_func( struct net_device *dev ) {
5514 struct airo_info *apriv = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005515
5516/* We don't have a link so try changing the authtype */
5517 readConfigRid(apriv, 0);
5518 disable_MAC(apriv, 0);
5519 switch(apriv->config.authType) {
5520 case AUTH_ENCRYPT:
5521/* So drop to OPEN */
5522 apriv->config.authType = AUTH_OPEN;
5523 break;
5524 case AUTH_SHAREDKEY:
5525 if (apriv->keyindex < auto_wep) {
5526 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5527 apriv->config.authType = AUTH_SHAREDKEY;
5528 apriv->keyindex++;
5529 } else {
5530 /* Drop to ENCRYPT */
5531 apriv->keyindex = 0;
5532 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5533 apriv->config.authType = AUTH_ENCRYPT;
5534 }
5535 break;
5536 default: /* We'll escalate to SHAREDKEY */
5537 apriv->config.authType = AUTH_SHAREDKEY;
5538 }
5539 set_bit (FLAG_COMMIT, &apriv->flags);
5540 writeConfigRid(apriv, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005541 enable_MAC(apriv, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005542 up(&apriv->sem);
5543
5544/* Schedule check to see if the change worked */
Dan Williams3c304952006-04-15 12:26:18 -04005545 clear_bit(JOB_AUTOWEP, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005546 apriv->expires = RUN_AT(HZ*3);
5547}
5548
Linus Torvalds1da177e2005-04-16 15:20:36 -07005549#ifdef CONFIG_PCI
5550static int __devinit airo_pci_probe(struct pci_dev *pdev,
5551 const struct pci_device_id *pent)
5552{
5553 struct net_device *dev;
5554
5555 if (pci_enable_device(pdev))
5556 return -ENODEV;
5557 pci_set_master(pdev);
5558
5559 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5560 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5561 else
5562 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005563 if (!dev) {
5564 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005565 return -ENODEV;
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005566 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005567
5568 pci_set_drvdata(pdev, dev);
5569 return 0;
5570}
5571
5572static void __devexit airo_pci_remove(struct pci_dev *pdev)
5573{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005574 struct net_device *dev = pci_get_drvdata(pdev);
5575
5576 airo_print_info(dev->name, "Unregistering...");
5577 stop_airo_card(dev, 1);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005578 pci_disable_device(pdev);
5579 pci_set_drvdata(pdev, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005580}
5581
Pavel Machek05adc3b2005-04-16 15:25:25 -07005582static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005583{
5584 struct net_device *dev = pci_get_drvdata(pdev);
5585 struct airo_info *ai = dev->priv;
5586 Cmd cmd;
5587 Resp rsp;
5588
5589 if ((ai->APList == NULL) &&
5590 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5591 return -ENOMEM;
5592 if ((ai->SSID == NULL) &&
5593 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5594 return -ENOMEM;
5595 readAPListRid(ai, ai->APList);
5596 readSsidRid(ai, ai->SSID);
5597 memset(&cmd, 0, sizeof(cmd));
5598 /* the lock will be released at the end of the resume callback */
5599 if (down_interruptible(&ai->sem))
5600 return -EAGAIN;
5601 disable_MAC(ai, 0);
5602 netif_device_detach(dev);
5603 ai->power = state;
5604 cmd.cmd=HOSTSLEEP;
5605 issuecommand(ai, &cmd, &rsp);
5606
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005607 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005608 pci_save_state(pdev);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005609 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005610}
5611
5612static int airo_pci_resume(struct pci_dev *pdev)
5613{
5614 struct net_device *dev = pci_get_drvdata(pdev);
5615 struct airo_info *ai = dev->priv;
Michal Schmidt53232802005-10-04 07:46:21 -04005616 pci_power_t prev_state = pdev->current_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005617
Michal Schmidt53232802005-10-04 07:46:21 -04005618 pci_set_power_state(pdev, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005619 pci_restore_state(pdev);
Michal Schmidt53232802005-10-04 07:46:21 -04005620 pci_enable_wake(pdev, PCI_D0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005621
Michal Schmidt53232802005-10-04 07:46:21 -04005622 if (prev_state != PCI_D1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005623 reset_card(dev, 0);
5624 mpi_init_descriptors(ai);
5625 setup_card(ai, dev->dev_addr, 0);
5626 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5627 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5628 } else {
5629 OUT4500(ai, EVACK, EV_AWAKEN);
5630 OUT4500(ai, EVACK, EV_AWAKEN);
5631 msleep(100);
5632 }
5633
5634 set_bit (FLAG_COMMIT, &ai->flags);
5635 disable_MAC(ai, 0);
5636 msleep(200);
5637 if (ai->SSID) {
5638 writeSsidRid(ai, ai->SSID, 0);
5639 kfree(ai->SSID);
5640 ai->SSID = NULL;
5641 }
5642 if (ai->APList) {
5643 writeAPListRid(ai, ai->APList, 0);
5644 kfree(ai->APList);
5645 ai->APList = NULL;
5646 }
5647 writeConfigRid(ai, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005648 enable_MAC(ai, 0);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005649 ai->power = PMSG_ON;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005650 netif_device_attach(dev);
5651 netif_wake_queue(dev);
5652 enable_interrupts(ai);
5653 up(&ai->sem);
5654 return 0;
5655}
5656#endif
5657
5658static int __init airo_init_module( void )
5659{
Jeff Garzikde897882006-10-01 07:31:09 -04005660 int i;
5661#if 0
5662 int have_isa_dev = 0;
5663#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005664
5665 airo_entry = create_proc_entry("aironet",
5666 S_IFDIR | airo_perm,
5667 proc_root_driver);
Jeff Garzikde897882006-10-01 07:31:09 -04005668
5669 if (airo_entry) {
5670 airo_entry->uid = proc_uid;
5671 airo_entry->gid = proc_gid;
5672 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005673
5674 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005675 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5676 "io=0x%x", irq[i], io[i] );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005677 if (init_airo_card( irq[i], io[i], 0, NULL ))
Jeff Garzikde897882006-10-01 07:31:09 -04005678#if 0
Linus Torvalds1da177e2005-04-16 15:20:36 -07005679 have_isa_dev = 1;
Jeff Garzikde897882006-10-01 07:31:09 -04005680#else
5681 /* do nothing */ ;
5682#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005683 }
5684
5685#ifdef CONFIG_PCI
Dan Williams934d8bf2006-03-16 13:46:23 -05005686 airo_print_info("", "Probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005687 i = pci_register_driver(&airo_driver);
Dan Williams934d8bf2006-03-16 13:46:23 -05005688 airo_print_info("", "Finished probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005689
5690 if (i) {
5691 remove_proc_entry("aironet", proc_root_driver);
5692 return i;
5693 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005694#endif
5695
5696 /* Always exit with success, as we are a library module
5697 * as well as a driver module
5698 */
5699 return 0;
5700}
5701
5702static void __exit airo_cleanup_module( void )
5703{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005704 struct airo_info *ai;
5705 while(!list_empty(&airo_devices)) {
5706 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5707 airo_print_info(ai->dev->name, "Unregistering...");
5708 stop_airo_card(ai->dev, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005709 }
5710#ifdef CONFIG_PCI
5711 pci_unregister_driver(&airo_driver);
5712#endif
5713 remove_proc_entry("aironet", proc_root_driver);
5714}
5715
Linus Torvalds1da177e2005-04-16 15:20:36 -07005716/*
5717 * Initial Wireless Extension code for Aironet driver by :
5718 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5719 * Conversion to new driver API by :
5720 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5721 * Javier also did a good amount of work here, adding some new extensions
5722 * and fixing my code. Let's just say that without him this code just
5723 * would not work at all... - Jean II
5724 */
5725
Dan Williams41480af2005-05-10 09:45:51 -04005726static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5727{
5728 if( !rssi_rid )
5729 return 0;
5730
5731 return (0x100 - rssi_rid[rssi].rssidBm);
5732}
5733
5734static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5735{
5736 int i;
5737
5738 if( !rssi_rid )
5739 return 0;
5740
5741 for( i = 0; i < 256; i++ )
5742 if (rssi_rid[i].rssidBm == dbm)
5743 return rssi_rid[i].rssipct;
5744
5745 return 0;
5746}
5747
5748
Linus Torvalds1da177e2005-04-16 15:20:36 -07005749static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5750{
5751 int quality = 0;
5752
5753 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5754 if (memcmp(cap_rid->prodName, "350", 3))
5755 if (status_rid->signalQuality > 0x20)
5756 quality = 0;
5757 else
5758 quality = 0x20 - status_rid->signalQuality;
5759 else
5760 if (status_rid->signalQuality > 0xb0)
5761 quality = 0;
5762 else if (status_rid->signalQuality < 0x10)
5763 quality = 0xa0;
5764 else
5765 quality = 0xb0 - status_rid->signalQuality;
5766 }
5767 return quality;
5768}
5769
5770#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5771#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5772
5773/*------------------------------------------------------------------*/
5774/*
5775 * Wireless Handler : get protocol name
5776 */
5777static int airo_get_name(struct net_device *dev,
5778 struct iw_request_info *info,
5779 char *cwrq,
5780 char *extra)
5781{
5782 strcpy(cwrq, "IEEE 802.11-DS");
5783 return 0;
5784}
5785
5786/*------------------------------------------------------------------*/
5787/*
5788 * Wireless Handler : set frequency
5789 */
5790static int airo_set_freq(struct net_device *dev,
5791 struct iw_request_info *info,
5792 struct iw_freq *fwrq,
5793 char *extra)
5794{
5795 struct airo_info *local = dev->priv;
5796 int rc = -EINPROGRESS; /* Call commit handler */
5797
5798 /* If setting by frequency, convert to a channel */
5799 if((fwrq->e == 1) &&
5800 (fwrq->m >= (int) 2.412e8) &&
5801 (fwrq->m <= (int) 2.487e8)) {
5802 int f = fwrq->m / 100000;
5803 int c = 0;
5804 while((c < 14) && (f != frequency_list[c]))
5805 c++;
5806 /* Hack to fall through... */
5807 fwrq->e = 0;
5808 fwrq->m = c + 1;
5809 }
5810 /* Setting by channel number */
5811 if((fwrq->m > 1000) || (fwrq->e > 0))
5812 rc = -EOPNOTSUPP;
5813 else {
5814 int channel = fwrq->m;
5815 /* We should do a better check than that,
5816 * based on the card capability !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005817 if((channel < 1) || (channel > 14)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005818 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5819 fwrq->m);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005820 rc = -EINVAL;
5821 } else {
5822 readConfigRid(local, 1);
5823 /* Yes ! We can set it !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005824 local->config.channelSet = (u16) channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005825 set_bit (FLAG_COMMIT, &local->flags);
5826 }
5827 }
5828 return rc;
5829}
5830
5831/*------------------------------------------------------------------*/
5832/*
5833 * Wireless Handler : get frequency
5834 */
5835static int airo_get_freq(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_freq *fwrq,
5838 char *extra)
5839{
5840 struct airo_info *local = dev->priv;
5841 StatusRid status_rid; /* Card status info */
Javier Achirica2610c732006-01-17 08:01:01 -05005842 int ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005843
5844 readConfigRid(local, 1);
5845 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5846 status_rid.channel = local->config.channelSet;
5847 else
5848 readStatusRid(local, &status_rid, 1);
5849
Javier Achirica2610c732006-01-17 08:01:01 -05005850 ch = (int)status_rid.channel;
5851 if((ch > 0) && (ch < 15)) {
5852 fwrq->m = frequency_list[ch - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005853 fwrq->e = 1;
Javier Achirica2610c732006-01-17 08:01:01 -05005854 } else {
5855 fwrq->m = ch;
5856 fwrq->e = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005857 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005858
5859 return 0;
5860}
5861
5862/*------------------------------------------------------------------*/
5863/*
5864 * Wireless Handler : set ESSID
5865 */
5866static int airo_set_essid(struct net_device *dev,
5867 struct iw_request_info *info,
5868 struct iw_point *dwrq,
5869 char *extra)
5870{
5871 struct airo_info *local = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005872 SsidRid SSID_rid; /* SSIDs */
5873
5874 /* Reload the list of current SSID */
5875 readSsidRid(local, &SSID_rid);
5876
5877 /* Check if we asked for `any' */
5878 if(dwrq->flags == 0) {
5879 /* Just send an empty SSID list */
5880 memset(&SSID_rid, 0, sizeof(SSID_rid));
5881 } else {
5882 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5883
5884 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005885 if(dwrq->length > IW_ESSID_MAX_SIZE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005886 return -E2BIG ;
5887 }
5888 /* Check if index is valid */
5889 if((index < 0) || (index >= 4)) {
5890 return -EINVAL;
5891 }
5892
5893 /* Set the SSID */
5894 memset(SSID_rid.ssids[index].ssid, 0,
5895 sizeof(SSID_rid.ssids[index].ssid));
5896 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005897 SSID_rid.ssids[index].len = dwrq->length;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005898 }
5899 SSID_rid.len = sizeof(SSID_rid);
5900 /* Write it to the card */
5901 disable_MAC(local, 1);
5902 writeSsidRid(local, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005903 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005904
5905 return 0;
5906}
5907
5908/*------------------------------------------------------------------*/
5909/*
5910 * Wireless Handler : get ESSID
5911 */
5912static int airo_get_essid(struct net_device *dev,
5913 struct iw_request_info *info,
5914 struct iw_point *dwrq,
5915 char *extra)
5916{
5917 struct airo_info *local = dev->priv;
5918 StatusRid status_rid; /* Card status info */
5919
5920 readStatusRid(local, &status_rid, 1);
5921
5922 /* Note : if dwrq->flags != 0, we should
5923 * get the relevant SSID from the SSID list... */
5924
5925 /* Get the current SSID */
5926 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005927 /* If none, we may want to get the one that was set */
5928
5929 /* Push it out ! */
Dan Williamsd6a13a22006-01-12 15:00:58 -05005930 dwrq->length = status_rid.SSIDlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005931 dwrq->flags = 1; /* active */
5932
5933 return 0;
5934}
5935
5936/*------------------------------------------------------------------*/
5937/*
5938 * Wireless Handler : set AP address
5939 */
5940static int airo_set_wap(struct net_device *dev,
5941 struct iw_request_info *info,
5942 struct sockaddr *awrq,
5943 char *extra)
5944{
5945 struct airo_info *local = dev->priv;
5946 Cmd cmd;
5947 Resp rsp;
5948 APListRid APList_rid;
Dan Williams4be757d2006-01-30 11:58:00 -05005949 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5950 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07005951
5952 if (awrq->sa_family != ARPHRD_ETHER)
5953 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05005954 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5955 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005956 memset(&cmd, 0, sizeof(cmd));
5957 cmd.cmd=CMD_LOSE_SYNC;
5958 if (down_interruptible(&local->sem))
5959 return -ERESTARTSYS;
5960 issuecommand(local, &cmd, &rsp);
5961 up(&local->sem);
5962 } else {
5963 memset(&APList_rid, 0, sizeof(APList_rid));
5964 APList_rid.len = sizeof(APList_rid);
5965 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5966 disable_MAC(local, 1);
5967 writeAPListRid(local, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005968 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005969 }
5970 return 0;
5971}
5972
5973/*------------------------------------------------------------------*/
5974/*
5975 * Wireless Handler : get AP address
5976 */
5977static int airo_get_wap(struct net_device *dev,
5978 struct iw_request_info *info,
5979 struct sockaddr *awrq,
5980 char *extra)
5981{
5982 struct airo_info *local = dev->priv;
5983 StatusRid status_rid; /* Card status info */
5984
5985 readStatusRid(local, &status_rid, 1);
5986
5987 /* Tentative. This seems to work, wow, I'm lucky !!! */
5988 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5989 awrq->sa_family = ARPHRD_ETHER;
5990
5991 return 0;
5992}
5993
5994/*------------------------------------------------------------------*/
5995/*
5996 * Wireless Handler : set Nickname
5997 */
5998static int airo_set_nick(struct net_device *dev,
5999 struct iw_request_info *info,
6000 struct iw_point *dwrq,
6001 char *extra)
6002{
6003 struct airo_info *local = dev->priv;
6004
6005 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006006 if(dwrq->length > 16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006007 return -E2BIG;
6008 }
6009 readConfigRid(local, 1);
6010 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6011 memcpy(local->config.nodeName, extra, dwrq->length);
6012 set_bit (FLAG_COMMIT, &local->flags);
6013
6014 return -EINPROGRESS; /* Call commit handler */
6015}
6016
6017/*------------------------------------------------------------------*/
6018/*
6019 * Wireless Handler : get Nickname
6020 */
6021static int airo_get_nick(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct iw_point *dwrq,
6024 char *extra)
6025{
6026 struct airo_info *local = dev->priv;
6027
6028 readConfigRid(local, 1);
6029 strncpy(extra, local->config.nodeName, 16);
6030 extra[16] = '\0';
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006031 dwrq->length = strlen(extra);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006032
6033 return 0;
6034}
6035
6036/*------------------------------------------------------------------*/
6037/*
6038 * Wireless Handler : set Bit-Rate
6039 */
6040static int airo_set_rate(struct net_device *dev,
6041 struct iw_request_info *info,
6042 struct iw_param *vwrq,
6043 char *extra)
6044{
6045 struct airo_info *local = dev->priv;
6046 CapabilityRid cap_rid; /* Card capability info */
6047 u8 brate = 0;
6048 int i;
6049
6050 /* First : get a valid bit rate value */
6051 readCapabilityRid(local, &cap_rid, 1);
6052
6053 /* Which type of value ? */
6054 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6055 /* Setting by rate index */
6056 /* Find value in the magic rate table */
6057 brate = cap_rid.supportedRates[vwrq->value];
6058 } else {
6059 /* Setting by frequency value */
6060 u8 normvalue = (u8) (vwrq->value/500000);
6061
6062 /* Check if rate is valid */
6063 for(i = 0 ; i < 8 ; i++) {
6064 if(normvalue == cap_rid.supportedRates[i]) {
6065 brate = normvalue;
6066 break;
6067 }
6068 }
6069 }
6070 /* -1 designed the max rate (mostly auto mode) */
6071 if(vwrq->value == -1) {
6072 /* Get the highest available rate */
6073 for(i = 0 ; i < 8 ; i++) {
6074 if(cap_rid.supportedRates[i] == 0)
6075 break;
6076 }
6077 if(i != 0)
6078 brate = cap_rid.supportedRates[i - 1];
6079 }
6080 /* Check that it is valid */
6081 if(brate == 0) {
6082 return -EINVAL;
6083 }
6084
6085 readConfigRid(local, 1);
6086 /* Now, check if we want a fixed or auto value */
6087 if(vwrq->fixed == 0) {
6088 /* Fill all the rates up to this max rate */
6089 memset(local->config.rates, 0, 8);
6090 for(i = 0 ; i < 8 ; i++) {
6091 local->config.rates[i] = cap_rid.supportedRates[i];
6092 if(local->config.rates[i] == brate)
6093 break;
6094 }
6095 } else {
6096 /* Fixed mode */
6097 /* One rate, fixed */
6098 memset(local->config.rates, 0, 8);
6099 local->config.rates[0] = brate;
6100 }
6101 set_bit (FLAG_COMMIT, &local->flags);
6102
6103 return -EINPROGRESS; /* Call commit handler */
6104}
6105
6106/*------------------------------------------------------------------*/
6107/*
6108 * Wireless Handler : get Bit-Rate
6109 */
6110static int airo_get_rate(struct net_device *dev,
6111 struct iw_request_info *info,
6112 struct iw_param *vwrq,
6113 char *extra)
6114{
6115 struct airo_info *local = dev->priv;
6116 StatusRid status_rid; /* Card status info */
6117
6118 readStatusRid(local, &status_rid, 1);
6119
6120 vwrq->value = status_rid.currentXmitRate * 500000;
6121 /* If more than one rate, set auto */
6122 readConfigRid(local, 1);
6123 vwrq->fixed = (local->config.rates[1] == 0);
6124
6125 return 0;
6126}
6127
6128/*------------------------------------------------------------------*/
6129/*
6130 * Wireless Handler : set RTS threshold
6131 */
6132static int airo_set_rts(struct net_device *dev,
6133 struct iw_request_info *info,
6134 struct iw_param *vwrq,
6135 char *extra)
6136{
6137 struct airo_info *local = dev->priv;
6138 int rthr = vwrq->value;
6139
6140 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006141 rthr = AIRO_DEF_MTU;
6142 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006143 return -EINVAL;
6144 }
6145 readConfigRid(local, 1);
6146 local->config.rtsThres = rthr;
6147 set_bit (FLAG_COMMIT, &local->flags);
6148
6149 return -EINPROGRESS; /* Call commit handler */
6150}
6151
6152/*------------------------------------------------------------------*/
6153/*
6154 * Wireless Handler : get RTS threshold
6155 */
6156static int airo_get_rts(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6159 char *extra)
6160{
6161 struct airo_info *local = dev->priv;
6162
6163 readConfigRid(local, 1);
6164 vwrq->value = local->config.rtsThres;
Dan Williams15db2762006-03-16 13:46:27 -05006165 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006166 vwrq->fixed = 1;
6167
6168 return 0;
6169}
6170
6171/*------------------------------------------------------------------*/
6172/*
6173 * Wireless Handler : set Fragmentation threshold
6174 */
6175static int airo_set_frag(struct net_device *dev,
6176 struct iw_request_info *info,
6177 struct iw_param *vwrq,
6178 char *extra)
6179{
6180 struct airo_info *local = dev->priv;
6181 int fthr = vwrq->value;
6182
6183 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006184 fthr = AIRO_DEF_MTU;
6185 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006186 return -EINVAL;
6187 }
6188 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6189 readConfigRid(local, 1);
6190 local->config.fragThresh = (u16)fthr;
6191 set_bit (FLAG_COMMIT, &local->flags);
6192
6193 return -EINPROGRESS; /* Call commit handler */
6194}
6195
6196/*------------------------------------------------------------------*/
6197/*
6198 * Wireless Handler : get Fragmentation threshold
6199 */
6200static int airo_get_frag(struct net_device *dev,
6201 struct iw_request_info *info,
6202 struct iw_param *vwrq,
6203 char *extra)
6204{
6205 struct airo_info *local = dev->priv;
6206
6207 readConfigRid(local, 1);
6208 vwrq->value = local->config.fragThresh;
Dan Williams15db2762006-03-16 13:46:27 -05006209 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006210 vwrq->fixed = 1;
6211
6212 return 0;
6213}
6214
6215/*------------------------------------------------------------------*/
6216/*
6217 * Wireless Handler : set Mode of Operation
6218 */
6219static int airo_set_mode(struct net_device *dev,
6220 struct iw_request_info *info,
6221 __u32 *uwrq,
6222 char *extra)
6223{
6224 struct airo_info *local = dev->priv;
6225 int reset = 0;
6226
6227 readConfigRid(local, 1);
6228 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6229 reset = 1;
6230
6231 switch(*uwrq) {
6232 case IW_MODE_ADHOC:
6233 local->config.opmode &= 0xFF00;
6234 local->config.opmode |= MODE_STA_IBSS;
6235 local->config.rmode &= 0xfe00;
6236 local->config.scanMode = SCANMODE_ACTIVE;
6237 clear_bit (FLAG_802_11, &local->flags);
6238 break;
6239 case IW_MODE_INFRA:
6240 local->config.opmode &= 0xFF00;
6241 local->config.opmode |= MODE_STA_ESS;
6242 local->config.rmode &= 0xfe00;
6243 local->config.scanMode = SCANMODE_ACTIVE;
6244 clear_bit (FLAG_802_11, &local->flags);
6245 break;
6246 case IW_MODE_MASTER:
6247 local->config.opmode &= 0xFF00;
6248 local->config.opmode |= MODE_AP;
6249 local->config.rmode &= 0xfe00;
6250 local->config.scanMode = SCANMODE_ACTIVE;
6251 clear_bit (FLAG_802_11, &local->flags);
6252 break;
6253 case IW_MODE_REPEAT:
6254 local->config.opmode &= 0xFF00;
6255 local->config.opmode |= MODE_AP_RPTR;
6256 local->config.rmode &= 0xfe00;
6257 local->config.scanMode = SCANMODE_ACTIVE;
6258 clear_bit (FLAG_802_11, &local->flags);
6259 break;
6260 case IW_MODE_MONITOR:
6261 local->config.opmode &= 0xFF00;
6262 local->config.opmode |= MODE_STA_ESS;
6263 local->config.rmode &= 0xfe00;
6264 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6265 local->config.scanMode = SCANMODE_PASSIVE;
6266 set_bit (FLAG_802_11, &local->flags);
6267 break;
6268 default:
6269 return -EINVAL;
6270 }
6271 if (reset)
6272 set_bit (FLAG_RESET, &local->flags);
6273 set_bit (FLAG_COMMIT, &local->flags);
6274
6275 return -EINPROGRESS; /* Call commit handler */
6276}
6277
6278/*------------------------------------------------------------------*/
6279/*
6280 * Wireless Handler : get Mode of Operation
6281 */
6282static int airo_get_mode(struct net_device *dev,
6283 struct iw_request_info *info,
6284 __u32 *uwrq,
6285 char *extra)
6286{
6287 struct airo_info *local = dev->priv;
6288
6289 readConfigRid(local, 1);
6290 /* If not managed, assume it's ad-hoc */
6291 switch (local->config.opmode & 0xFF) {
6292 case MODE_STA_ESS:
6293 *uwrq = IW_MODE_INFRA;
6294 break;
6295 case MODE_AP:
6296 *uwrq = IW_MODE_MASTER;
6297 break;
6298 case MODE_AP_RPTR:
6299 *uwrq = IW_MODE_REPEAT;
6300 break;
6301 default:
6302 *uwrq = IW_MODE_ADHOC;
6303 }
6304
6305 return 0;
6306}
6307
6308/*------------------------------------------------------------------*/
6309/*
6310 * Wireless Handler : set Encryption Key
6311 */
6312static int airo_set_encode(struct net_device *dev,
6313 struct iw_request_info *info,
6314 struct iw_point *dwrq,
6315 char *extra)
6316{
6317 struct airo_info *local = dev->priv;
6318 CapabilityRid cap_rid; /* Card capability info */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006319 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6320 u16 currentAuthType = local->config.authType;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006321
6322 /* Is WEP supported ? */
6323 readCapabilityRid(local, &cap_rid, 1);
6324 /* Older firmware doesn't support this...
6325 if(!(cap_rid.softCap & 2)) {
6326 return -EOPNOTSUPP;
6327 } */
6328 readConfigRid(local, 1);
6329
6330 /* Basic checking: do we have a key to set ?
6331 * Note : with the new API, it's impossible to get a NULL pointer.
6332 * Therefore, we need to check a key size == 0 instead.
6333 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6334 * when no key is present (only change flags), but older versions
6335 * don't do it. - Jean II */
6336 if (dwrq->length > 0) {
6337 wep_key_t key;
6338 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6339 int current_index = get_wep_key(local, 0xffff);
6340 /* Check the size of the key */
6341 if (dwrq->length > MAX_KEY_SIZE) {
6342 return -EINVAL;
6343 }
6344 /* Check the index (none -> use current) */
6345 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6346 index = current_index;
6347 /* Set the length */
6348 if (dwrq->length > MIN_KEY_SIZE)
6349 key.len = MAX_KEY_SIZE;
6350 else
6351 if (dwrq->length > 0)
6352 key.len = MIN_KEY_SIZE;
6353 else
6354 /* Disable the key */
6355 key.len = 0;
6356 /* Check if the key is not marked as invalid */
6357 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6358 /* Cleanup */
6359 memset(key.key, 0, MAX_KEY_SIZE);
6360 /* Copy the key in the driver */
6361 memcpy(key.key, extra, dwrq->length);
6362 /* Send the key to the card */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006363 set_wep_key(local, index, key.key, key.len, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006364 }
6365 /* WE specify that if a valid key is set, encryption
6366 * should be enabled (user may turn it off later)
6367 * This is also how "iwconfig ethX key on" works */
6368 if((index == current_index) && (key.len > 0) &&
6369 (local->config.authType == AUTH_OPEN)) {
6370 local->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006371 }
6372 } else {
6373 /* Do we want to just set the transmit key index ? */
6374 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6375 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
Dan Streetmanf89b2322005-11-11 11:41:42 -05006376 set_wep_key(local, index, NULL, 0, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006377 } else
6378 /* Don't complain if only change the mode */
Jeff Garzik93a3b602007-11-23 21:50:20 -05006379 if (!(dwrq->flags & IW_ENCODE_MODE))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006380 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006381 }
6382 /* Read the flags */
6383 if(dwrq->flags & IW_ENCODE_DISABLED)
6384 local->config.authType = AUTH_OPEN; // disable encryption
6385 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6386 local->config.authType = AUTH_SHAREDKEY; // Only Both
6387 if(dwrq->flags & IW_ENCODE_OPEN)
6388 local->config.authType = AUTH_ENCRYPT; // Only Wep
6389 /* Commit the changes to flags if needed */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006390 if (local->config.authType != currentAuthType)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006391 set_bit (FLAG_COMMIT, &local->flags);
6392 return -EINPROGRESS; /* Call commit handler */
6393}
6394
6395/*------------------------------------------------------------------*/
6396/*
6397 * Wireless Handler : get Encryption Key
6398 */
6399static int airo_get_encode(struct net_device *dev,
6400 struct iw_request_info *info,
6401 struct iw_point *dwrq,
6402 char *extra)
6403{
6404 struct airo_info *local = dev->priv;
6405 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6406 CapabilityRid cap_rid; /* Card capability info */
6407
6408 /* Is it supported ? */
6409 readCapabilityRid(local, &cap_rid, 1);
6410 if(!(cap_rid.softCap & 2)) {
6411 return -EOPNOTSUPP;
6412 }
6413 readConfigRid(local, 1);
6414 /* Check encryption mode */
6415 switch(local->config.authType) {
6416 case AUTH_ENCRYPT:
6417 dwrq->flags = IW_ENCODE_OPEN;
6418 break;
6419 case AUTH_SHAREDKEY:
6420 dwrq->flags = IW_ENCODE_RESTRICTED;
6421 break;
6422 default:
6423 case AUTH_OPEN:
6424 dwrq->flags = IW_ENCODE_DISABLED;
6425 break;
6426 }
6427 /* We can't return the key, so set the proper flag and return zero */
6428 dwrq->flags |= IW_ENCODE_NOKEY;
6429 memset(extra, 0, 16);
6430
6431 /* Which key do we want ? -1 -> tx index */
6432 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6433 index = get_wep_key(local, 0xffff);
6434 dwrq->flags |= index + 1;
6435 /* Copy the key to the user buffer */
6436 dwrq->length = get_wep_key(local, index);
6437 if (dwrq->length > 16) {
6438 dwrq->length=0;
6439 }
6440 return 0;
6441}
6442
6443/*------------------------------------------------------------------*/
6444/*
Dan Williams4be757d2006-01-30 11:58:00 -05006445 * Wireless Handler : set extended Encryption parameters
6446 */
6447static int airo_set_encodeext(struct net_device *dev,
6448 struct iw_request_info *info,
6449 union iwreq_data *wrqu,
6450 char *extra)
6451{
6452 struct airo_info *local = dev->priv;
6453 struct iw_point *encoding = &wrqu->encoding;
6454 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6455 CapabilityRid cap_rid; /* Card capability info */
6456 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6457 u16 currentAuthType = local->config.authType;
Dan Williams22d88462006-02-05 18:00:30 -05006458 int idx, key_len, alg = ext->alg, set_key = 1;
Dan Williams4be757d2006-01-30 11:58:00 -05006459 wep_key_t key;
6460
6461 /* Is WEP supported ? */
6462 readCapabilityRid(local, &cap_rid, 1);
6463 /* Older firmware doesn't support this...
6464 if(!(cap_rid.softCap & 2)) {
6465 return -EOPNOTSUPP;
6466 } */
6467 readConfigRid(local, 1);
6468
6469 /* Determine and validate the key index */
6470 idx = encoding->flags & IW_ENCODE_INDEX;
6471 if (idx) {
6472 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6473 return -EINVAL;
6474 idx--;
6475 } else
6476 idx = get_wep_key(local, 0xffff);
6477
6478 if (encoding->flags & IW_ENCODE_DISABLED)
6479 alg = IW_ENCODE_ALG_NONE;
6480
Dan Williams4be757d2006-01-30 11:58:00 -05006481 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
Dan Williams22d88462006-02-05 18:00:30 -05006482 /* Only set transmit key index here, actual
6483 * key is set below if needed.
6484 */
Dan Williams4be757d2006-01-30 11:58:00 -05006485 set_wep_key(local, idx, NULL, 0, perm, 1);
Dan Williams22d88462006-02-05 18:00:30 -05006486 set_key = ext->key_len > 0 ? 1 : 0;
6487 }
6488
6489 if (set_key) {
Dan Williams4be757d2006-01-30 11:58:00 -05006490 /* Set the requested key first */
6491 memset(key.key, 0, MAX_KEY_SIZE);
6492 switch (alg) {
6493 case IW_ENCODE_ALG_NONE:
6494 key.len = 0;
6495 break;
6496 case IW_ENCODE_ALG_WEP:
6497 if (ext->key_len > MIN_KEY_SIZE) {
6498 key.len = MAX_KEY_SIZE;
6499 } else if (ext->key_len > 0) {
6500 key.len = MIN_KEY_SIZE;
6501 } else {
6502 return -EINVAL;
6503 }
6504 key_len = min (ext->key_len, key.len);
6505 memcpy(key.key, ext->key, key_len);
6506 break;
6507 default:
6508 return -EINVAL;
6509 }
6510 /* Send the key to the card */
6511 set_wep_key(local, idx, key.key, key.len, perm, 1);
6512 }
6513
6514 /* Read the flags */
6515 if(encoding->flags & IW_ENCODE_DISABLED)
6516 local->config.authType = AUTH_OPEN; // disable encryption
6517 if(encoding->flags & IW_ENCODE_RESTRICTED)
6518 local->config.authType = AUTH_SHAREDKEY; // Only Both
6519 if(encoding->flags & IW_ENCODE_OPEN)
6520 local->config.authType = AUTH_ENCRYPT; // Only Wep
6521 /* Commit the changes to flags if needed */
6522 if (local->config.authType != currentAuthType)
6523 set_bit (FLAG_COMMIT, &local->flags);
6524
6525 return -EINPROGRESS;
6526}
6527
6528
6529/*------------------------------------------------------------------*/
6530/*
6531 * Wireless Handler : get extended Encryption parameters
6532 */
6533static int airo_get_encodeext(struct net_device *dev,
6534 struct iw_request_info *info,
6535 union iwreq_data *wrqu,
6536 char *extra)
6537{
6538 struct airo_info *local = dev->priv;
6539 struct iw_point *encoding = &wrqu->encoding;
6540 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6541 CapabilityRid cap_rid; /* Card capability info */
6542 int idx, max_key_len;
6543
6544 /* Is it supported ? */
6545 readCapabilityRid(local, &cap_rid, 1);
6546 if(!(cap_rid.softCap & 2)) {
6547 return -EOPNOTSUPP;
6548 }
6549 readConfigRid(local, 1);
6550
6551 max_key_len = encoding->length - sizeof(*ext);
6552 if (max_key_len < 0)
6553 return -EINVAL;
6554
6555 idx = encoding->flags & IW_ENCODE_INDEX;
6556 if (idx) {
6557 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6558 return -EINVAL;
6559 idx--;
6560 } else
6561 idx = get_wep_key(local, 0xffff);
6562
6563 encoding->flags = idx + 1;
6564 memset(ext, 0, sizeof(*ext));
6565
6566 /* Check encryption mode */
6567 switch(local->config.authType) {
6568 case AUTH_ENCRYPT:
6569 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6570 break;
6571 case AUTH_SHAREDKEY:
6572 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6573 break;
6574 default:
6575 case AUTH_OPEN:
6576 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6577 break;
6578 }
6579 /* We can't return the key, so set the proper flag and return zero */
6580 encoding->flags |= IW_ENCODE_NOKEY;
6581 memset(extra, 0, 16);
6582
6583 /* Copy the key to the user buffer */
6584 ext->key_len = get_wep_key(local, idx);
6585 if (ext->key_len > 16) {
6586 ext->key_len=0;
6587 }
6588
6589 return 0;
6590}
6591
6592
6593/*------------------------------------------------------------------*/
6594/*
6595 * Wireless Handler : set extended authentication parameters
6596 */
6597static int airo_set_auth(struct net_device *dev,
6598 struct iw_request_info *info,
6599 union iwreq_data *wrqu, char *extra)
6600{
6601 struct airo_info *local = dev->priv;
6602 struct iw_param *param = &wrqu->param;
6603 u16 currentAuthType = local->config.authType;
6604
6605 switch (param->flags & IW_AUTH_INDEX) {
6606 case IW_AUTH_WPA_VERSION:
6607 case IW_AUTH_CIPHER_PAIRWISE:
6608 case IW_AUTH_CIPHER_GROUP:
6609 case IW_AUTH_KEY_MGMT:
6610 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6611 case IW_AUTH_PRIVACY_INVOKED:
6612 /*
6613 * airo does not use these parameters
6614 */
6615 break;
6616
6617 case IW_AUTH_DROP_UNENCRYPTED:
6618 if (param->value) {
6619 /* Only change auth type if unencrypted */
6620 if (currentAuthType == AUTH_OPEN)
6621 local->config.authType = AUTH_ENCRYPT;
6622 } else {
6623 local->config.authType = AUTH_OPEN;
6624 }
6625
6626 /* Commit the changes to flags if needed */
6627 if (local->config.authType != currentAuthType)
6628 set_bit (FLAG_COMMIT, &local->flags);
6629 break;
6630
6631 case IW_AUTH_80211_AUTH_ALG: {
6632 /* FIXME: What about AUTH_OPEN? This API seems to
6633 * disallow setting our auth to AUTH_OPEN.
6634 */
6635 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6636 local->config.authType = AUTH_SHAREDKEY;
6637 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6638 local->config.authType = AUTH_ENCRYPT;
6639 } else
6640 return -EINVAL;
6641 break;
6642
6643 /* Commit the changes to flags if needed */
6644 if (local->config.authType != currentAuthType)
6645 set_bit (FLAG_COMMIT, &local->flags);
6646 }
6647
6648 case IW_AUTH_WPA_ENABLED:
6649 /* Silently accept disable of WPA */
6650 if (param->value > 0)
6651 return -EOPNOTSUPP;
6652 break;
6653
6654 default:
6655 return -EOPNOTSUPP;
6656 }
6657 return -EINPROGRESS;
6658}
6659
6660
6661/*------------------------------------------------------------------*/
6662/*
6663 * Wireless Handler : get extended authentication parameters
6664 */
6665static int airo_get_auth(struct net_device *dev,
6666 struct iw_request_info *info,
6667 union iwreq_data *wrqu, char *extra)
6668{
6669 struct airo_info *local = dev->priv;
6670 struct iw_param *param = &wrqu->param;
6671 u16 currentAuthType = local->config.authType;
6672
6673 switch (param->flags & IW_AUTH_INDEX) {
6674 case IW_AUTH_DROP_UNENCRYPTED:
6675 switch (currentAuthType) {
6676 case AUTH_SHAREDKEY:
6677 case AUTH_ENCRYPT:
6678 param->value = 1;
6679 break;
6680 default:
6681 param->value = 0;
6682 break;
6683 }
6684 break;
6685
6686 case IW_AUTH_80211_AUTH_ALG:
6687 switch (currentAuthType) {
6688 case AUTH_SHAREDKEY:
6689 param->value = IW_AUTH_ALG_SHARED_KEY;
6690 break;
6691 case AUTH_ENCRYPT:
6692 default:
6693 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6694 break;
6695 }
6696 break;
6697
6698 case IW_AUTH_WPA_ENABLED:
6699 param->value = 0;
6700 break;
6701
6702 default:
6703 return -EOPNOTSUPP;
6704 }
6705 return 0;
6706}
6707
6708
6709/*------------------------------------------------------------------*/
6710/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07006711 * Wireless Handler : set Tx-Power
6712 */
6713static int airo_set_txpow(struct net_device *dev,
6714 struct iw_request_info *info,
6715 struct iw_param *vwrq,
6716 char *extra)
6717{
6718 struct airo_info *local = dev->priv;
6719 CapabilityRid cap_rid; /* Card capability info */
6720 int i;
6721 int rc = -EINVAL;
6722
6723 readCapabilityRid(local, &cap_rid, 1);
6724
6725 if (vwrq->disabled) {
6726 set_bit (FLAG_RADIO_OFF, &local->flags);
6727 set_bit (FLAG_COMMIT, &local->flags);
6728 return -EINPROGRESS; /* Call commit handler */
6729 }
6730 if (vwrq->flags != IW_TXPOW_MWATT) {
6731 return -EINVAL;
6732 }
6733 clear_bit (FLAG_RADIO_OFF, &local->flags);
6734 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6735 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6736 readConfigRid(local, 1);
6737 local->config.txPower = vwrq->value;
6738 set_bit (FLAG_COMMIT, &local->flags);
6739 rc = -EINPROGRESS; /* Call commit handler */
6740 break;
6741 }
6742 return rc;
6743}
6744
6745/*------------------------------------------------------------------*/
6746/*
6747 * Wireless Handler : get Tx-Power
6748 */
6749static int airo_get_txpow(struct net_device *dev,
6750 struct iw_request_info *info,
6751 struct iw_param *vwrq,
6752 char *extra)
6753{
6754 struct airo_info *local = dev->priv;
6755
6756 readConfigRid(local, 1);
6757 vwrq->value = local->config.txPower;
6758 vwrq->fixed = 1; /* No power control */
6759 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6760 vwrq->flags = IW_TXPOW_MWATT;
6761
6762 return 0;
6763}
6764
6765/*------------------------------------------------------------------*/
6766/*
6767 * Wireless Handler : set Retry limits
6768 */
6769static int airo_set_retry(struct net_device *dev,
6770 struct iw_request_info *info,
6771 struct iw_param *vwrq,
6772 char *extra)
6773{
6774 struct airo_info *local = dev->priv;
6775 int rc = -EINVAL;
6776
6777 if(vwrq->disabled) {
6778 return -EINVAL;
6779 }
6780 readConfigRid(local, 1);
6781 if(vwrq->flags & IW_RETRY_LIMIT) {
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006782 if(vwrq->flags & IW_RETRY_LONG)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006783 local->config.longRetryLimit = vwrq->value;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006784 else if (vwrq->flags & IW_RETRY_SHORT)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006785 local->config.shortRetryLimit = vwrq->value;
6786 else {
6787 /* No modifier : set both */
6788 local->config.longRetryLimit = vwrq->value;
6789 local->config.shortRetryLimit = vwrq->value;
6790 }
6791 set_bit (FLAG_COMMIT, &local->flags);
6792 rc = -EINPROGRESS; /* Call commit handler */
6793 }
6794 if(vwrq->flags & IW_RETRY_LIFETIME) {
6795 local->config.txLifetime = vwrq->value / 1024;
6796 set_bit (FLAG_COMMIT, &local->flags);
6797 rc = -EINPROGRESS; /* Call commit handler */
6798 }
6799 return rc;
6800}
6801
6802/*------------------------------------------------------------------*/
6803/*
6804 * Wireless Handler : get Retry limits
6805 */
6806static int airo_get_retry(struct net_device *dev,
6807 struct iw_request_info *info,
6808 struct iw_param *vwrq,
6809 char *extra)
6810{
6811 struct airo_info *local = dev->priv;
6812
6813 vwrq->disabled = 0; /* Can't be disabled */
6814
6815 readConfigRid(local, 1);
6816 /* Note : by default, display the min retry number */
6817 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6818 vwrq->flags = IW_RETRY_LIFETIME;
6819 vwrq->value = (int)local->config.txLifetime * 1024;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006820 } else if((vwrq->flags & IW_RETRY_LONG)) {
6821 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006822 vwrq->value = (int)local->config.longRetryLimit;
6823 } else {
6824 vwrq->flags = IW_RETRY_LIMIT;
6825 vwrq->value = (int)local->config.shortRetryLimit;
6826 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006827 vwrq->flags |= IW_RETRY_SHORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006828 }
6829
6830 return 0;
6831}
6832
6833/*------------------------------------------------------------------*/
6834/*
6835 * Wireless Handler : get range info
6836 */
6837static int airo_get_range(struct net_device *dev,
6838 struct iw_request_info *info,
6839 struct iw_point *dwrq,
6840 char *extra)
6841{
6842 struct airo_info *local = dev->priv;
6843 struct iw_range *range = (struct iw_range *) extra;
6844 CapabilityRid cap_rid; /* Card capability info */
6845 int i;
6846 int k;
6847
6848 readCapabilityRid(local, &cap_rid, 1);
6849
6850 dwrq->length = sizeof(struct iw_range);
6851 memset(range, 0, sizeof(*range));
6852 range->min_nwid = 0x0000;
6853 range->max_nwid = 0x0000;
6854 range->num_channels = 14;
6855 /* Should be based on cap_rid.country to give only
6856 * what the current card support */
6857 k = 0;
6858 for(i = 0; i < 14; i++) {
6859 range->freq[k].i = i + 1; /* List index */
6860 range->freq[k].m = frequency_list[i] * 100000;
6861 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6862 }
6863 range->num_frequency = k;
6864
Linus Torvalds1da177e2005-04-16 15:20:36 -07006865 range->sensitivity = 65535;
6866
Dan Williams41480af2005-05-10 09:45:51 -04006867 /* Hum... Should put the right values there */
6868 if (local->rssi)
6869 range->max_qual.qual = 100; /* % */
6870 else
6871 range->max_qual.qual = airo_get_max_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006872 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6873 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006874
6875 /* Experimental measurements - boundary 11/5.5 Mb/s */
6876 /* Note : with or without the (local->rssi), results
6877 * are somewhat different. - Jean II */
6878 if (local->rssi) {
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006879 range->avg_qual.qual = 50; /* % */
6880 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006881 } else {
6882 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006883 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006884 }
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006885 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006886
Linus Torvalds1da177e2005-04-16 15:20:36 -07006887 for(i = 0 ; i < 8 ; i++) {
6888 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6889 if(range->bitrate[i] == 0)
6890 break;
6891 }
6892 range->num_bitrates = i;
6893
6894 /* Set an indication of the max TCP throughput
6895 * in bit/s that we can expect using this interface.
6896 * May be use for QoS stuff... Jean II */
6897 if(i > 2)
6898 range->throughput = 5000 * 1000;
6899 else
6900 range->throughput = 1500 * 1000;
6901
6902 range->min_rts = 0;
Dan Williams15db2762006-03-16 13:46:27 -05006903 range->max_rts = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006904 range->min_frag = 256;
Dan Williams15db2762006-03-16 13:46:27 -05006905 range->max_frag = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006906
6907 if(cap_rid.softCap & 2) {
6908 // WEP: RC4 40 bits
6909 range->encoding_size[0] = 5;
6910 // RC4 ~128 bits
6911 if (cap_rid.softCap & 0x100) {
6912 range->encoding_size[1] = 13;
6913 range->num_encoding_sizes = 2;
6914 } else
6915 range->num_encoding_sizes = 1;
6916 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6917 } else {
6918 range->num_encoding_sizes = 0;
6919 range->max_encoding_tokens = 0;
6920 }
6921 range->min_pmp = 0;
6922 range->max_pmp = 5000000; /* 5 secs */
6923 range->min_pmt = 0;
6924 range->max_pmt = 65535 * 1024; /* ??? */
6925 range->pmp_flags = IW_POWER_PERIOD;
6926 range->pmt_flags = IW_POWER_TIMEOUT;
6927 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6928
6929 /* Transmit Power - values are in mW */
6930 for(i = 0 ; i < 8 ; i++) {
6931 range->txpower[i] = cap_rid.txPowerLevels[i];
6932 if(range->txpower[i] == 0)
6933 break;
6934 }
6935 range->num_txpower = i;
6936 range->txpower_capa = IW_TXPOW_MWATT;
Dan Williams3c304952006-04-15 12:26:18 -04006937 range->we_version_source = 19;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006938 range->we_version_compiled = WIRELESS_EXT;
6939 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6940 range->retry_flags = IW_RETRY_LIMIT;
6941 range->r_time_flags = IW_RETRY_LIFETIME;
6942 range->min_retry = 1;
6943 range->max_retry = 65535;
6944 range->min_r_time = 1024;
6945 range->max_r_time = 65535 * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006946
6947 /* Event capability (kernel + driver) */
6948 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6949 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6950 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6951 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6952 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6953 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6954 return 0;
6955}
6956
6957/*------------------------------------------------------------------*/
6958/*
6959 * Wireless Handler : set Power Management
6960 */
6961static int airo_set_power(struct net_device *dev,
6962 struct iw_request_info *info,
6963 struct iw_param *vwrq,
6964 char *extra)
6965{
6966 struct airo_info *local = dev->priv;
6967
6968 readConfigRid(local, 1);
6969 if (vwrq->disabled) {
6970 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6971 return -EINVAL;
6972 }
6973 local->config.powerSaveMode = POWERSAVE_CAM;
6974 local->config.rmode &= 0xFF00;
6975 local->config.rmode |= RXMODE_BC_MC_ADDR;
6976 set_bit (FLAG_COMMIT, &local->flags);
6977 return -EINPROGRESS; /* Call commit handler */
6978 }
6979 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6980 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6981 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6982 set_bit (FLAG_COMMIT, &local->flags);
6983 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6984 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6985 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6986 set_bit (FLAG_COMMIT, &local->flags);
6987 }
6988 switch (vwrq->flags & IW_POWER_MODE) {
6989 case IW_POWER_UNICAST_R:
6990 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6991 return -EINVAL;
6992 }
6993 local->config.rmode &= 0xFF00;
6994 local->config.rmode |= RXMODE_ADDR;
6995 set_bit (FLAG_COMMIT, &local->flags);
6996 break;
6997 case IW_POWER_ALL_R:
6998 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6999 return -EINVAL;
7000 }
7001 local->config.rmode &= 0xFF00;
7002 local->config.rmode |= RXMODE_BC_MC_ADDR;
7003 set_bit (FLAG_COMMIT, &local->flags);
7004 case IW_POWER_ON:
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07007005 /* This is broken, fixme ;-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007006 break;
7007 default:
7008 return -EINVAL;
7009 }
7010 // Note : we may want to factor local->need_commit here
7011 // Note2 : may also want to factor RXMODE_RFMON test
7012 return -EINPROGRESS; /* Call commit handler */
7013}
7014
7015/*------------------------------------------------------------------*/
7016/*
7017 * Wireless Handler : get Power Management
7018 */
7019static int airo_get_power(struct net_device *dev,
7020 struct iw_request_info *info,
7021 struct iw_param *vwrq,
7022 char *extra)
7023{
7024 struct airo_info *local = dev->priv;
7025 int mode;
7026
7027 readConfigRid(local, 1);
7028 mode = local->config.powerSaveMode;
7029 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7030 return 0;
7031 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7032 vwrq->value = (int)local->config.fastListenDelay * 1024;
7033 vwrq->flags = IW_POWER_TIMEOUT;
7034 } else {
7035 vwrq->value = (int)local->config.fastListenInterval * 1024;
7036 vwrq->flags = IW_POWER_PERIOD;
7037 }
7038 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7039 vwrq->flags |= IW_POWER_UNICAST_R;
7040 else
7041 vwrq->flags |= IW_POWER_ALL_R;
7042
7043 return 0;
7044}
7045
7046/*------------------------------------------------------------------*/
7047/*
7048 * Wireless Handler : set Sensitivity
7049 */
7050static int airo_set_sens(struct net_device *dev,
7051 struct iw_request_info *info,
7052 struct iw_param *vwrq,
7053 char *extra)
7054{
7055 struct airo_info *local = dev->priv;
7056
7057 readConfigRid(local, 1);
7058 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7059 set_bit (FLAG_COMMIT, &local->flags);
7060
7061 return -EINPROGRESS; /* Call commit handler */
7062}
7063
7064/*------------------------------------------------------------------*/
7065/*
7066 * Wireless Handler : get Sensitivity
7067 */
7068static int airo_get_sens(struct net_device *dev,
7069 struct iw_request_info *info,
7070 struct iw_param *vwrq,
7071 char *extra)
7072{
7073 struct airo_info *local = dev->priv;
7074
7075 readConfigRid(local, 1);
7076 vwrq->value = local->config.rssiThreshold;
7077 vwrq->disabled = (vwrq->value == 0);
7078 vwrq->fixed = 1;
7079
7080 return 0;
7081}
7082
7083/*------------------------------------------------------------------*/
7084/*
7085 * Wireless Handler : get AP List
7086 * Note : this is deprecated in favor of IWSCAN
7087 */
7088static int airo_get_aplist(struct net_device *dev,
7089 struct iw_request_info *info,
7090 struct iw_point *dwrq,
7091 char *extra)
7092{
7093 struct airo_info *local = dev->priv;
7094 struct sockaddr *address = (struct sockaddr *) extra;
7095 struct iw_quality qual[IW_MAX_AP];
7096 BSSListRid BSSList;
7097 int i;
7098 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7099
7100 for (i = 0; i < IW_MAX_AP; i++) {
7101 if (readBSSListRid(local, loseSync, &BSSList))
7102 break;
7103 loseSync = 0;
7104 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7105 address[i].sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007106 if (local->rssi) {
7107 qual[i].level = 0x100 - BSSList.dBm;
7108 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007109 qual[i].updated = IW_QUAL_QUAL_UPDATED
7110 | IW_QUAL_LEVEL_UPDATED
7111 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007112 } else {
7113 qual[i].level = (BSSList.dBm + 321) / 2;
7114 qual[i].qual = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007115 qual[i].updated = IW_QUAL_QUAL_INVALID
7116 | IW_QUAL_LEVEL_UPDATED
7117 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007118 }
7119 qual[i].noise = local->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007120 if (BSSList.index == 0xffff)
7121 break;
7122 }
7123 if (!i) {
7124 StatusRid status_rid; /* Card status info */
7125 readStatusRid(local, &status_rid, 1);
7126 for (i = 0;
7127 i < min(IW_MAX_AP, 4) &&
7128 (status_rid.bssid[i][0]
7129 & status_rid.bssid[i][1]
7130 & status_rid.bssid[i][2]
7131 & status_rid.bssid[i][3]
7132 & status_rid.bssid[i][4]
7133 & status_rid.bssid[i][5])!=0xff &&
7134 (status_rid.bssid[i][0]
7135 | status_rid.bssid[i][1]
7136 | status_rid.bssid[i][2]
7137 | status_rid.bssid[i][3]
7138 | status_rid.bssid[i][4]
7139 | status_rid.bssid[i][5]);
7140 i++) {
7141 memcpy(address[i].sa_data,
7142 status_rid.bssid[i], ETH_ALEN);
7143 address[i].sa_family = ARPHRD_ETHER;
7144 }
7145 } else {
7146 dwrq->flags = 1; /* Should be define'd */
7147 memcpy(extra + sizeof(struct sockaddr)*i,
7148 &qual, sizeof(struct iw_quality)*i);
7149 }
7150 dwrq->length = i;
7151
7152 return 0;
7153}
7154
7155/*------------------------------------------------------------------*/
7156/*
7157 * Wireless Handler : Initiate Scan
7158 */
7159static int airo_set_scan(struct net_device *dev,
7160 struct iw_request_info *info,
7161 struct iw_param *vwrq,
7162 char *extra)
7163{
7164 struct airo_info *ai = dev->priv;
7165 Cmd cmd;
7166 Resp rsp;
Dan Williams9e75af32006-03-16 13:46:29 -05007167 int wake = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007168
7169 /* Note : you may have realised that, as this is a SET operation,
7170 * this is privileged and therefore a normal user can't
7171 * perform scanning.
7172 * This is not an error, while the device perform scanning,
7173 * traffic doesn't flow, so it's a perfect DoS...
7174 * Jean II */
7175 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7176
Dan Williams9e75af32006-03-16 13:46:29 -05007177 if (down_interruptible(&ai->sem))
7178 return -ERESTARTSYS;
7179
7180 /* If there's already a scan in progress, don't
7181 * trigger another one. */
7182 if (ai->scan_timeout > 0)
7183 goto out;
7184
Linus Torvalds1da177e2005-04-16 15:20:36 -07007185 /* Initiate a scan command */
Dan Williams6fcdf562006-03-31 15:08:46 -05007186 ai->scan_timeout = RUN_AT(3*HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007187 memset(&cmd, 0, sizeof(cmd));
7188 cmd.cmd=CMD_LISTBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007189 issuecommand(ai, &cmd, &rsp);
Dan Williams9e75af32006-03-16 13:46:29 -05007190 wake = 1;
7191
7192out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07007193 up(&ai->sem);
Dan Williams9e75af32006-03-16 13:46:29 -05007194 if (wake)
7195 wake_up_interruptible(&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007196 return 0;
7197}
7198
7199/*------------------------------------------------------------------*/
7200/*
7201 * Translate scan data returned from the card to a card independent
7202 * format that the Wireless Tools will understand - Jean II
7203 */
7204static inline char *airo_translate_scan(struct net_device *dev,
7205 char *current_ev,
7206 char *end_buf,
Dan Williams41480af2005-05-10 09:45:51 -04007207 BSSListRid *bss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007208{
7209 struct airo_info *ai = dev->priv;
7210 struct iw_event iwe; /* Temporary buffer */
7211 u16 capabilities;
7212 char * current_val; /* For rates */
7213 int i;
Dan Williams3c304952006-04-15 12:26:18 -04007214 char * buf;
Al Viro851b3e52007-12-19 19:20:12 -05007215 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007216
7217 /* First entry *MUST* be the AP MAC address */
7218 iwe.cmd = SIOCGIWAP;
7219 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007220 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007221 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7222
7223 /* Other entries will be displayed in the order we give them */
7224
7225 /* Add the ESSID */
Dan Williams41480af2005-05-10 09:45:51 -04007226 iwe.u.data.length = bss->ssidLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007227 if(iwe.u.data.length > 32)
7228 iwe.u.data.length = 32;
7229 iwe.cmd = SIOCGIWESSID;
7230 iwe.u.data.flags = 1;
Dan Williams41480af2005-05-10 09:45:51 -04007231 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007232
7233 /* Add mode */
7234 iwe.cmd = SIOCGIWMODE;
Dan Williams41480af2005-05-10 09:45:51 -04007235 capabilities = le16_to_cpu(bss->cap);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007236 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7237 if(capabilities & CAP_ESS)
7238 iwe.u.mode = IW_MODE_MASTER;
7239 else
7240 iwe.u.mode = IW_MODE_ADHOC;
7241 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7242 }
7243
7244 /* Add frequency */
7245 iwe.cmd = SIOCGIWFREQ;
Dan Williams41480af2005-05-10 09:45:51 -04007246 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
matthieu castet11414552005-09-12 23:31:39 +02007247 /* iwe.u.freq.m containt the channel (starting 1), our
7248 * frequency_list array start at index 0...
7249 */
7250 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007251 iwe.u.freq.e = 1;
7252 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7253
Al Viro851b3e52007-12-19 19:20:12 -05007254 dBm = le16_to_cpu(bss->dBm);
7255
Linus Torvalds1da177e2005-04-16 15:20:36 -07007256 /* Add quality statistics */
7257 iwe.cmd = IWEVQUAL;
Dan Williams41480af2005-05-10 09:45:51 -04007258 if (ai->rssi) {
Al Viro851b3e52007-12-19 19:20:12 -05007259 iwe.u.qual.level = 0x100 - dBm;
7260 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007261 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7262 | IW_QUAL_LEVEL_UPDATED
7263 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007264 } else {
Al Viro851b3e52007-12-19 19:20:12 -05007265 iwe.u.qual.level = (dBm + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007266 iwe.u.qual.qual = 0;
Jeff Garzikbbeec902005-09-07 00:27:54 -04007267 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007268 | IW_QUAL_LEVEL_UPDATED
7269 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007270 }
7271 iwe.u.qual.noise = ai->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007272 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7273
7274 /* Add encryption capability */
7275 iwe.cmd = SIOCGIWENCODE;
7276 if(capabilities & CAP_PRIVACY)
7277 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7278 else
7279 iwe.u.data.flags = IW_ENCODE_DISABLED;
7280 iwe.u.data.length = 0;
Dan Williams41480af2005-05-10 09:45:51 -04007281 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007282
7283 /* Rate : stuffing multiple values in a single event require a bit
7284 * more of magic - Jean II */
7285 current_val = current_ev + IW_EV_LCP_LEN;
7286
7287 iwe.cmd = SIOCGIWRATE;
7288 /* Those two flags are ignored... */
7289 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7290 /* Max 8 values */
7291 for(i = 0 ; i < 8 ; i++) {
7292 /* NULL terminated */
Dan Williams41480af2005-05-10 09:45:51 -04007293 if(bss->rates[i] == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007294 break;
7295 /* Bit rate given in 500 kb/s units (+ 0x80) */
Dan Williams41480af2005-05-10 09:45:51 -04007296 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007297 /* Add new value to event */
7298 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7299 }
7300 /* Check if we added any event */
7301 if((current_val - current_ev) > IW_EV_LCP_LEN)
7302 current_ev = current_val;
7303
Dan Williams3c304952006-04-15 12:26:18 -04007304 /* Beacon interval */
7305 buf = kmalloc(30, GFP_KERNEL);
7306 if (buf) {
7307 iwe.cmd = IWEVCUSTOM;
7308 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7309 iwe.u.data.length = strlen(buf);
7310 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7311 kfree(buf);
7312 }
7313
7314 /* Put WPA/RSN Information Elements into the event stream */
7315 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7316 unsigned int num_null_ies = 0;
7317 u16 length = sizeof (bss->extra.iep);
7318 struct ieee80211_info_element *info_element =
7319 (struct ieee80211_info_element *) &bss->extra.iep;
7320
7321 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7322 if (sizeof(*info_element) + info_element->len > length) {
7323 /* Invalid element, don't continue parsing IE */
7324 break;
7325 }
7326
7327 switch (info_element->id) {
7328 case MFIE_TYPE_SSID:
7329 /* Two zero-length SSID elements
7330 * mean we're done parsing elements */
7331 if (!info_element->len)
7332 num_null_ies++;
7333 break;
7334
7335 case MFIE_TYPE_GENERIC:
7336 if (info_element->len >= 4 &&
7337 info_element->data[0] == 0x00 &&
7338 info_element->data[1] == 0x50 &&
7339 info_element->data[2] == 0xf2 &&
7340 info_element->data[3] == 0x01) {
7341 iwe.cmd = IWEVGENIE;
7342 iwe.u.data.length = min(info_element->len + 2,
7343 MAX_WPA_IE_LEN);
7344 current_ev = iwe_stream_add_point(current_ev, end_buf,
7345 &iwe, (char *) info_element);
7346 }
7347 break;
7348
7349 case MFIE_TYPE_RSN:
7350 iwe.cmd = IWEVGENIE;
7351 iwe.u.data.length = min(info_element->len + 2,
7352 MAX_WPA_IE_LEN);
7353 current_ev = iwe_stream_add_point(current_ev, end_buf,
7354 &iwe, (char *) info_element);
7355 break;
7356
7357 default:
7358 break;
7359 }
7360
7361 length -= sizeof(*info_element) + info_element->len;
7362 info_element =
7363 (struct ieee80211_info_element *)&info_element->
7364 data[info_element->len];
7365 }
7366 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007367 return current_ev;
7368}
7369
7370/*------------------------------------------------------------------*/
7371/*
7372 * Wireless Handler : Read Scan Results
7373 */
7374static int airo_get_scan(struct net_device *dev,
7375 struct iw_request_info *info,
7376 struct iw_point *dwrq,
7377 char *extra)
7378{
7379 struct airo_info *ai = dev->priv;
Dan Williams9e75af32006-03-16 13:46:29 -05007380 BSSListElement *net;
7381 int err = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007382 char *current_ev = extra;
7383
Dan Williams9e75af32006-03-16 13:46:29 -05007384 /* If a scan is in-progress, return -EAGAIN */
7385 if (ai->scan_timeout > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007386 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007387
Dan Williams9e75af32006-03-16 13:46:29 -05007388 if (down_interruptible(&ai->sem))
7389 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007390
Dan Williams9e75af32006-03-16 13:46:29 -05007391 list_for_each_entry (net, &ai->network_list, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007392 /* Translate to WE format this entry */
7393 current_ev = airo_translate_scan(dev, current_ev,
7394 extra + dwrq->length,
Dan Williams9e75af32006-03-16 13:46:29 -05007395 &net->bss);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007396
7397 /* Check if there is space for one more entry */
7398 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7399 /* Ask user space to try again with a bigger buffer */
Dan Williams9e75af32006-03-16 13:46:29 -05007400 err = -E2BIG;
7401 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007402 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007403 }
Dan Williams9e75af32006-03-16 13:46:29 -05007404
Linus Torvalds1da177e2005-04-16 15:20:36 -07007405 /* Length of data */
7406 dwrq->length = (current_ev - extra);
7407 dwrq->flags = 0; /* todo */
7408
Dan Williams9e75af32006-03-16 13:46:29 -05007409out:
7410 up(&ai->sem);
7411 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007412}
7413
7414/*------------------------------------------------------------------*/
7415/*
7416 * Commit handler : called after a bunch of SET operations
7417 */
7418static int airo_config_commit(struct net_device *dev,
7419 struct iw_request_info *info, /* NULL */
7420 void *zwrq, /* NULL */
7421 char *extra) /* NULL */
7422{
7423 struct airo_info *local = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007424
7425 if (!test_bit (FLAG_COMMIT, &local->flags))
7426 return 0;
7427
7428 /* Some of the "SET" function may have modified some of the
7429 * parameters. It's now time to commit them in the card */
7430 disable_MAC(local, 1);
7431 if (test_bit (FLAG_RESET, &local->flags)) {
7432 APListRid APList_rid;
7433 SsidRid SSID_rid;
7434
7435 readAPListRid(local, &APList_rid);
7436 readSsidRid(local, &SSID_rid);
7437 if (test_bit(FLAG_MPI,&local->flags))
7438 setup_card(local, dev->dev_addr, 1 );
7439 else
7440 reset_airo_card(dev);
7441 disable_MAC(local, 1);
7442 writeSsidRid(local, &SSID_rid, 1);
7443 writeAPListRid(local, &APList_rid, 1);
7444 }
7445 if (down_interruptible(&local->sem))
7446 return -ERESTARTSYS;
7447 writeConfigRid(local, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007448 enable_MAC(local, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007449 if (test_bit (FLAG_RESET, &local->flags))
7450 airo_set_promisc(local);
7451 else
7452 up(&local->sem);
7453
7454 return 0;
7455}
7456
7457/*------------------------------------------------------------------*/
7458/*
7459 * Structures to export the Wireless Handlers
7460 */
7461
7462static const struct iw_priv_args airo_private_args[] = {
7463/*{ cmd, set_args, get_args, name } */
7464 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7465 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7466 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7467 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7468};
7469
7470static const iw_handler airo_handler[] =
7471{
7472 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7473 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7474 (iw_handler) NULL, /* SIOCSIWNWID */
7475 (iw_handler) NULL, /* SIOCGIWNWID */
7476 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7477 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7478 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7479 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7480 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7481 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7482 (iw_handler) NULL, /* SIOCSIWRANGE */
7483 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7484 (iw_handler) NULL, /* SIOCSIWPRIV */
7485 (iw_handler) NULL, /* SIOCGIWPRIV */
7486 (iw_handler) NULL, /* SIOCSIWSTATS */
7487 (iw_handler) NULL, /* SIOCGIWSTATS */
7488 iw_handler_set_spy, /* SIOCSIWSPY */
7489 iw_handler_get_spy, /* SIOCGIWSPY */
7490 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7491 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7492 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7493 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7494 (iw_handler) NULL, /* -- hole -- */
7495 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7496 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7497 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7498 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7499 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7500 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7501 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7502 (iw_handler) NULL, /* -- hole -- */
7503 (iw_handler) NULL, /* -- hole -- */
7504 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7505 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7506 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7507 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7508 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7509 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7510 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7511 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7512 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7513 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7514 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7515 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7516 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7517 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
Dan Williams4be757d2006-01-30 11:58:00 -05007518 (iw_handler) NULL, /* -- hole -- */
7519 (iw_handler) NULL, /* -- hole -- */
7520 (iw_handler) NULL, /* SIOCSIWGENIE */
7521 (iw_handler) NULL, /* SIOCGIWGENIE */
7522 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7523 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7524 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7525 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7526 (iw_handler) NULL, /* SIOCSIWPMKSA */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007527};
7528
7529/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7530 * We want to force the use of the ioctl code, because those can't be
7531 * won't work the iw_handler code (because they simultaneously read
7532 * and write data and iw_handler can't do that).
7533 * Note that it's perfectly legal to read/write on a single ioctl command,
7534 * you just can't use iwpriv and need to force it via the ioctl handler.
7535 * Jean II */
7536static const iw_handler airo_private_handler[] =
7537{
7538 NULL, /* SIOCIWFIRSTPRIV */
7539};
7540
7541static const struct iw_handler_def airo_handler_def =
7542{
Denis Chengff8ac602007-09-02 18:30:18 +08007543 .num_standard = ARRAY_SIZE(airo_handler),
7544 .num_private = ARRAY_SIZE(airo_private_handler),
7545 .num_private_args = ARRAY_SIZE(airo_private_args),
Linus Torvalds1da177e2005-04-16 15:20:36 -07007546 .standard = airo_handler,
7547 .private = airo_private_handler,
7548 .private_args = airo_private_args,
7549 .get_wireless_stats = airo_get_wireless_stats,
7550};
7551
Linus Torvalds1da177e2005-04-16 15:20:36 -07007552/*
7553 * This defines the configuration part of the Wireless Extensions
7554 * Note : irq and spinlock protection will occur in the subroutines
7555 *
7556 * TODO :
7557 * o Check input value more carefully and fill correct values in range
7558 * o Test and shakeout the bugs (if any)
7559 *
7560 * Jean II
7561 *
7562 * Javier Achirica did a great job of merging code from the unnamed CISCO
7563 * developer that added support for flashing the card.
7564 */
7565static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7566{
7567 int rc = 0;
7568 struct airo_info *ai = (struct airo_info *)dev->priv;
7569
Pavel Machekca078ba2005-09-03 15:56:57 -07007570 if (ai->power.event)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007571 return 0;
7572
7573 switch (cmd) {
7574#ifdef CISCO_EXT
7575 case AIROIDIFC:
7576#ifdef AIROOLDIDIFC
7577 case AIROOLDIDIFC:
7578#endif
7579 {
7580 int val = AIROMAGIC;
7581 aironet_ioctl com;
7582 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7583 rc = -EFAULT;
7584 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7585 rc = -EFAULT;
7586 }
7587 break;
7588
7589 case AIROIOCTL:
7590#ifdef AIROOLDIOCTL
7591 case AIROOLDIOCTL:
7592#endif
7593 /* Get the command struct and hand it off for evaluation by
7594 * the proper subfunction
7595 */
7596 {
7597 aironet_ioctl com;
7598 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7599 rc = -EFAULT;
7600 break;
7601 }
7602
7603 /* Separate R/W functions bracket legality here
7604 */
7605 if ( com.command == AIRORSWVERSION ) {
7606 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7607 rc = -EFAULT;
7608 else
7609 rc = 0;
7610 }
7611 else if ( com.command <= AIRORRID)
7612 rc = readrids(dev,&com);
7613 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7614 rc = writerids(dev,&com);
7615 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7616 rc = flashcard(dev,&com);
7617 else
7618 rc = -EINVAL; /* Bad command in ioctl */
7619 }
7620 break;
7621#endif /* CISCO_EXT */
7622
7623 // All other calls are currently unsupported
7624 default:
7625 rc = -EOPNOTSUPP;
7626 }
7627 return rc;
7628}
7629
Linus Torvalds1da177e2005-04-16 15:20:36 -07007630/*
7631 * Get the Wireless stats out of the driver
7632 * Note : irq and spinlock protection will occur in the subroutines
7633 *
7634 * TODO :
7635 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7636 *
7637 * Jean
7638 */
7639static void airo_read_wireless_stats(struct airo_info *local)
7640{
7641 StatusRid status_rid;
7642 StatsRid stats_rid;
7643 CapabilityRid cap_rid;
7644 u32 *vals = stats_rid.vals;
7645
7646 /* Get stats out of the card */
Dan Williams3c304952006-04-15 12:26:18 -04007647 clear_bit(JOB_WSTATS, &local->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07007648 if (local->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007649 up(&local->sem);
7650 return;
7651 }
7652 readCapabilityRid(local, &cap_rid, 0);
7653 readStatusRid(local, &status_rid, 0);
7654 readStatsRid(local, &stats_rid, RID_STATS, 0);
7655 up(&local->sem);
7656
7657 /* The status */
7658 local->wstats.status = status_rid.mode;
7659
Dan Williams41480af2005-05-10 09:45:51 -04007660 /* Signal quality and co */
7661 if (local->rssi) {
7662 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7663 /* normalizedSignalStrength appears to be a percentage */
7664 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7665 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007666 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007667 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7668 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007669 if (status_rid.len >= 124) {
Dan Williams41480af2005-05-10 09:45:51 -04007670 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007671 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007672 } else {
7673 local->wstats.qual.noise = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007674 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 -07007675 }
7676
7677 /* Packets discarded in the wireless adapter due to wireless
7678 * specific problems */
7679 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7680 local->wstats.discard.code = vals[6];/* RxWepErr */
7681 local->wstats.discard.fragment = vals[30];
7682 local->wstats.discard.retries = vals[10];
7683 local->wstats.discard.misc = vals[1] + vals[32];
7684 local->wstats.miss.beacon = vals[34];
7685}
7686
Jouni Malinenff1d2762005-05-12 22:54:16 -04007687static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007688{
7689 struct airo_info *local = dev->priv;
7690
Dan Williams3c304952006-04-15 12:26:18 -04007691 if (!test_bit(JOB_WSTATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007692 /* Get stats out of the card if available */
7693 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04007694 set_bit(JOB_WSTATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007695 wake_up_interruptible(&local->thr_wait);
7696 } else
7697 airo_read_wireless_stats(local);
7698 }
7699
7700 return &local->wstats;
7701}
Linus Torvalds1da177e2005-04-16 15:20:36 -07007702
7703#ifdef CISCO_EXT
7704/*
7705 * This just translates from driver IOCTL codes to the command codes to
7706 * feed to the radio's host interface. Things can be added/deleted
7707 * as needed. This represents the READ side of control I/O to
7708 * the card
7709 */
7710static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7711 unsigned short ridcode;
7712 unsigned char *iobuf;
7713 int len;
7714 struct airo_info *ai = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007715
7716 if (test_bit(FLAG_FLASHING, &ai->flags))
7717 return -EIO;
7718
7719 switch(comp->command)
7720 {
7721 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7722 case AIROGCFG: ridcode = RID_CONFIG;
7723 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7724 disable_MAC (ai, 1);
7725 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007726 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007727 }
7728 break;
7729 case AIROGSLIST: ridcode = RID_SSID; break;
7730 case AIROGVLIST: ridcode = RID_APLIST; break;
7731 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7732 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7733 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7734 /* Only super-user can read WEP keys */
7735 if (!capable(CAP_NET_ADMIN))
7736 return -EPERM;
7737 break;
7738 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7739 /* Only super-user can read WEP keys */
7740 if (!capable(CAP_NET_ADMIN))
7741 return -EPERM;
7742 break;
7743 case AIROGSTAT: ridcode = RID_STATUS; break;
7744 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7745 case AIROGSTATSC32: ridcode = RID_STATS; break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007746 case AIROGMICSTATS:
7747 if (copy_to_user(comp->data, &ai->micstats,
7748 min((int)comp->len,(int)sizeof(ai->micstats))))
7749 return -EFAULT;
7750 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007751 case AIRORRID: ridcode = comp->ridnum; break;
7752 default:
7753 return -EINVAL;
7754 break;
7755 }
7756
7757 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7758 return -ENOMEM;
7759
7760 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7761 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7762 * then return it to the user
7763 * 9/22/2000 Honor user given length
7764 */
7765 len = comp->len;
7766
7767 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7768 kfree (iobuf);
7769 return -EFAULT;
7770 }
7771 kfree (iobuf);
7772 return 0;
7773}
7774
7775/*
7776 * Danger Will Robinson write the rids here
7777 */
7778
7779static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7780 struct airo_info *ai = dev->priv;
7781 int ridcode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007782 int enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007783 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7784 unsigned char *iobuf;
7785
7786 /* Only super-user can write RIDs */
7787 if (!capable(CAP_NET_ADMIN))
7788 return -EPERM;
7789
7790 if (test_bit(FLAG_FLASHING, &ai->flags))
7791 return -EIO;
7792
7793 ridcode = 0;
7794 writer = do_writerid;
7795
7796 switch(comp->command)
7797 {
7798 case AIROPSIDS: ridcode = RID_SSID; break;
7799 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7800 case AIROPAPLIST: ridcode = RID_APLIST; break;
7801 case AIROPCFG: ai->config.len = 0;
7802 clear_bit(FLAG_COMMIT, &ai->flags);
7803 ridcode = RID_CONFIG; break;
7804 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7805 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7806 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7807 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7808 break;
7809 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7810 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7811
7812 /* this is not really a rid but a command given to the card
7813 * same with MAC off
7814 */
7815 case AIROPMACON:
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007816 if (enable_MAC(ai, 1) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007817 return -EIO;
7818 return 0;
7819
7820 /*
7821 * Evidently this code in the airo driver does not get a symbol
7822 * as disable_MAC. it's probably so short the compiler does not gen one.
7823 */
7824 case AIROPMACOFF:
7825 disable_MAC(ai, 1);
7826 return 0;
7827
7828 /* This command merely clears the counts does not actually store any data
7829 * only reads rid. But as it changes the cards state, I put it in the
7830 * writerid routines.
7831 */
7832 case AIROPSTCLR:
7833 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7834 return -ENOMEM;
7835
7836 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7837
Linus Torvalds1da177e2005-04-16 15:20:36 -07007838 enabled = ai->micstats.enabled;
7839 memset(&ai->micstats,0,sizeof(ai->micstats));
7840 ai->micstats.enabled = enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007841
7842 if (copy_to_user(comp->data, iobuf,
7843 min((int)comp->len, (int)RIDSIZE))) {
7844 kfree (iobuf);
7845 return -EFAULT;
7846 }
7847 kfree (iobuf);
7848 return 0;
7849
7850 default:
7851 return -EOPNOTSUPP; /* Blarg! */
7852 }
7853 if(comp->len > RIDSIZE)
7854 return -EINVAL;
7855
7856 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7857 return -ENOMEM;
7858
7859 if (copy_from_user(iobuf,comp->data,comp->len)) {
7860 kfree (iobuf);
7861 return -EFAULT;
7862 }
7863
7864 if (comp->command == AIROPCFG) {
7865 ConfigRid *cfg = (ConfigRid *)iobuf;
7866
7867 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7868 cfg->opmode |= MODE_MIC;
7869
7870 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7871 set_bit (FLAG_ADHOC, &ai->flags);
7872 else
7873 clear_bit (FLAG_ADHOC, &ai->flags);
7874 }
7875
7876 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7877 kfree (iobuf);
7878 return -EIO;
7879 }
7880 kfree (iobuf);
7881 return 0;
7882}
7883
7884/*****************************************************************************
7885 * Ancillary flash / mod functions much black magic lurkes here *
7886 *****************************************************************************
7887 */
7888
7889/*
7890 * Flash command switch table
7891 */
7892
Jouni Malinenff1d2762005-05-12 22:54:16 -04007893static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007894 int z;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007895
7896 /* Only super-user can modify flash */
7897 if (!capable(CAP_NET_ADMIN))
7898 return -EPERM;
7899
7900 switch(comp->command)
7901 {
7902 case AIROFLSHRST:
7903 return cmdreset((struct airo_info *)dev->priv);
7904
7905 case AIROFLSHSTFL:
7906 if (!((struct airo_info *)dev->priv)->flash &&
7907 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7908 return -ENOMEM;
7909 return setflashmode((struct airo_info *)dev->priv);
7910
7911 case AIROFLSHGCHR: /* Get char from aux */
7912 if(comp->len != sizeof(int))
7913 return -EINVAL;
7914 if (copy_from_user(&z,comp->data,comp->len))
7915 return -EFAULT;
7916 return flashgchar((struct airo_info *)dev->priv,z,8000);
7917
7918 case AIROFLSHPCHR: /* Send char to card. */
7919 if(comp->len != sizeof(int))
7920 return -EINVAL;
7921 if (copy_from_user(&z,comp->data,comp->len))
7922 return -EFAULT;
7923 return flashpchar((struct airo_info *)dev->priv,z,8000);
7924
7925 case AIROFLPUTBUF: /* Send 32k to card */
7926 if (!((struct airo_info *)dev->priv)->flash)
7927 return -ENOMEM;
7928 if(comp->len > FLASHSIZE)
7929 return -EINVAL;
7930 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7931 return -EFAULT;
7932
7933 flashputbuf((struct airo_info *)dev->priv);
7934 return 0;
7935
7936 case AIRORESTART:
7937 if(flashrestart((struct airo_info *)dev->priv,dev))
7938 return -EIO;
7939 return 0;
7940 }
7941 return -EINVAL;
7942}
7943
7944#define FLASH_COMMAND 0x7e7e
7945
7946/*
7947 * STEP 1)
7948 * Disable MAC and do soft reset on
7949 * card.
7950 */
7951
Jouni Malinenff1d2762005-05-12 22:54:16 -04007952static int cmdreset(struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007953 disable_MAC(ai, 1);
7954
7955 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05007956 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007957 return -EBUSY;
7958 }
7959
7960 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7961
7962 ssleep(1); /* WAS 600 12/7/00 */
7963
7964 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05007965 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007966 return -EBUSY;
7967 }
7968 return 0;
7969}
7970
7971/* STEP 2)
7972 * Put the card in legendary flash
7973 * mode
7974 */
7975
Jouni Malinenff1d2762005-05-12 22:54:16 -04007976static int setflashmode (struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007977 set_bit (FLAG_FLASHING, &ai->flags);
7978
7979 OUT4500(ai, SWS0, FLASH_COMMAND);
7980 OUT4500(ai, SWS1, FLASH_COMMAND);
7981 if (probe) {
7982 OUT4500(ai, SWS0, FLASH_COMMAND);
7983 OUT4500(ai, COMMAND,0x10);
7984 } else {
7985 OUT4500(ai, SWS2, FLASH_COMMAND);
7986 OUT4500(ai, SWS3, FLASH_COMMAND);
7987 OUT4500(ai, COMMAND,0);
7988 }
7989 msleep(500); /* 500ms delay */
7990
7991 if(!waitbusy(ai)) {
7992 clear_bit (FLAG_FLASHING, &ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05007993 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007994 return -EIO;
7995 }
7996 return 0;
7997}
7998
7999/* Put character to SWS0 wait for dwelltime
8000 * x 50us for echo .
8001 */
8002
Jouni Malinenff1d2762005-05-12 22:54:16 -04008003static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008004 int echo;
8005 int waittime;
8006
8007 byte |= 0x8000;
8008
8009 if(dwelltime == 0 )
8010 dwelltime = 200;
8011
8012 waittime=dwelltime;
8013
8014 /* Wait for busy bit d15 to go false indicating buffer empty */
8015 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8016 udelay (50);
8017 waittime -= 50;
8018 }
8019
8020 /* timeout for busy clear wait */
8021 if(waittime <= 0 ){
Dan Williams934d8bf2006-03-16 13:46:23 -05008022 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008023 return -EBUSY;
8024 }
8025
8026 /* Port is clear now write byte and wait for it to echo back */
8027 do {
8028 OUT4500(ai,SWS0,byte);
8029 udelay(50);
8030 dwelltime -= 50;
8031 echo = IN4500(ai,SWS1);
8032 } while (dwelltime >= 0 && echo != byte);
8033
8034 OUT4500(ai,SWS1,0);
8035
8036 return (echo == byte) ? 0 : -EIO;
8037}
8038
8039/*
8040 * Get a character from the card matching matchbyte
8041 * Step 3)
8042 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008043static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008044 int rchar;
8045 unsigned char rbyte=0;
8046
8047 do {
8048 rchar = IN4500(ai,SWS1);
8049
8050 if(dwelltime && !(0x8000 & rchar)){
8051 dwelltime -= 10;
8052 mdelay(10);
8053 continue;
8054 }
8055 rbyte = 0xff & rchar;
8056
8057 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8058 OUT4500(ai,SWS1,0);
8059 return 0;
8060 }
8061 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8062 break;
8063 OUT4500(ai,SWS1,0);
8064
8065 }while(dwelltime > 0);
8066 return -EIO;
8067}
8068
8069/*
8070 * Transfer 32k of firmware data from user buffer to our buffer and
8071 * send to the card
8072 */
8073
Jouni Malinenff1d2762005-05-12 22:54:16 -04008074static int flashputbuf(struct airo_info *ai){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008075 int nwords;
8076
8077 /* Write stuff */
8078 if (test_bit(FLAG_MPI,&ai->flags))
8079 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8080 else {
8081 OUT4500(ai,AUXPAGE,0x100);
8082 OUT4500(ai,AUXOFF,0);
8083
8084 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8085 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8086 }
8087 }
8088 OUT4500(ai,SWS0,0x8000);
8089
8090 return 0;
8091}
8092
8093/*
8094 *
8095 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008096static int flashrestart(struct airo_info *ai,struct net_device *dev){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008097 int i,status;
8098
8099 ssleep(1); /* Added 12/7/00 */
8100 clear_bit (FLAG_FLASHING, &ai->flags);
8101 if (test_bit(FLAG_MPI, &ai->flags)) {
8102 status = mpi_init_descriptors(ai);
8103 if (status != SUCCESS)
8104 return status;
8105 }
8106 status = setup_card(ai, dev->dev_addr, 1);
8107
8108 if (!test_bit(FLAG_MPI,&ai->flags))
8109 for( i = 0; i < MAX_FIDS; i++ ) {
8110 ai->fids[i] = transmit_allocate
Dan Williams15db2762006-03-16 13:46:27 -05008111 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07008112 }
8113
8114 ssleep(1); /* Added 12/7/00 */
8115 return status;
8116}
8117#endif /* CISCO_EXT */
8118
8119/*
8120 This program is free software; you can redistribute it and/or
8121 modify it under the terms of the GNU General Public License
8122 as published by the Free Software Foundation; either version 2
8123 of the License, or (at your option) any later version.
8124
8125 This program is distributed in the hope that it will be useful,
8126 but WITHOUT ANY WARRANTY; without even the implied warranty of
8127 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8128 GNU General Public License for more details.
8129
8130 In addition:
8131
8132 Redistribution and use in source and binary forms, with or without
8133 modification, are permitted provided that the following conditions
8134 are met:
8135
8136 1. Redistributions of source code must retain the above copyright
8137 notice, this list of conditions and the following disclaimer.
8138 2. Redistributions in binary form must reproduce the above copyright
8139 notice, this list of conditions and the following disclaimer in the
8140 documentation and/or other materials provided with the distribution.
8141 3. The name of the author may not be used to endorse or promote
8142 products derived from this software without specific prior written
8143 permission.
8144
8145 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8146 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8147 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8148 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8149 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8150 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8151 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8152 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8153 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8154 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8155 POSSIBILITY OF SUCH DAMAGE.
8156*/
8157
8158module_init(airo_init_module);
8159module_exit(airo_cleanup_module);