blob: 6c395fcece5807b76c55cdc901f7cc4a9c3fad19 [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>
Al Viro593c2b92007-12-17 15:09:34 -050041#include <asm/unaligned.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43#include <linux/netdevice.h>
44#include <linux/etherdevice.h>
45#include <linux/skbuff.h>
46#include <linux/if_arp.h>
47#include <linux/ioport.h>
48#include <linux/pci.h>
49#include <asm/uaccess.h>
Dan Williams3c304952006-04-15 12:26:18 -040050#include <net/ieee80211.h>
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -070051#include <linux/kthread.h>
Nigel Cunningham7dfb7102006-12-06 20:34:23 -080052#include <linux/freezer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
Adrian Bunkd3808762005-11-05 17:42:27 +010054#include "airo.h"
55
Michal Schmidt1138c372007-06-29 15:33:41 +020056#define DRV_NAME "airo"
57
Linus Torvalds1da177e2005-04-16 15:20:36 -070058#ifdef CONFIG_PCI
59static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0, }
68};
69MODULE_DEVICE_TABLE(pci, card_ids);
70
71static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72static void airo_pci_remove(struct pci_dev *);
Pavel Machek05adc3b2005-04-16 15:25:25 -070073static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
Linus Torvalds1da177e2005-04-16 15:20:36 -070074static int airo_pci_resume(struct pci_dev *pdev);
75
76static struct pci_driver airo_driver = {
Michal Schmidt1138c372007-06-29 15:33:41 +020077 .name = DRV_NAME,
Linus Torvalds1da177e2005-04-16 15:20:36 -070078 .id_table = card_ids,
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
83};
84#endif /* CONFIG_PCI */
85
86/* Include Wireless Extension definition and check version - Jean II */
87#include <linux/wireless.h>
88#define WIRELESS_SPY // enable iwspy support
89#include <net/iw_handler.h> // New driver API
90
91#define CISCO_EXT // enable Cisco extensions
92#ifdef CISCO_EXT
93#include <linux/delay.h>
94#endif
95
Linus Torvalds1da177e2005-04-16 15:20:36 -070096/* Hack to do some power saving */
97#define POWER_ON_DOWN
98
99/* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105#define IGNLABEL(comment) NULL
106static char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208#ifndef RUN_AT
209#define RUN_AT(x) (jiffies+(x))
210#endif
211
212
213/* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217static int rates[8];
218static int basic_rate;
219static char *ssids[3];
220
221static int io[4];
222static int irq[4];
223
224static
225int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231static int adhoc;
232
233static int probe = 1;
234
235static int proc_uid /* = 0 */;
236
237static int proc_gid /* = 0 */;
238
239static int airo_perm = 0555;
240
241static int proc_perm = 0644;
242
243MODULE_AUTHOR("Benjamin Reed");
244MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
Bill Nottinghamd73ae552007-07-27 19:43:17 -0400245cards. Direct support for ISA/PCI/MPI cards and support \
246for PCMCIA when used with airo_cs.");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247MODULE_LICENSE("Dual BSD/GPL");
248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249module_param_array(io, int, NULL, 0);
250module_param_array(irq, int, NULL, 0);
251module_param(basic_rate, int, 0);
252module_param_array(rates, int, NULL, 0);
253module_param_array(ssids, charp, NULL, 0);
254module_param(auto_wep, int, 0);
255MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256the authentication options until an association is made. The value of \
257auto_wep is number of the wep keys to check. A value of 2 will try using \
258the key at index 0 and index 1.");
259module_param(aux_bap, int, 0);
260MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261than seems to work better for older cards with some older buses. Before \
262switching it checks that the switch is needed.");
263module_param(maxencrypt, int, 0);
264MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266Older cards used to be limited to 2mbs (4).");
267module_param(adhoc, int, 0);
268MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269module_param(probe, int, 0);
270MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272module_param(proc_uid, int, 0);
273MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274module_param(proc_gid, int, 0);
275MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276module_param(airo_perm, int, 0);
277MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278module_param(proc_perm, int, 0);
279MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281/* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284static int do8bitIO = 0;
285
286/* Return codes */
287#define SUCCESS 0
288#define ERROR -1
289#define NO_PACKET -2
290
291/* Commands */
292#define NOP2 0x0000
293#define MAC_ENABLE 0x0001
294#define MAC_DISABLE 0x0002
295#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296#define CMD_SOFTRESET 0x0004
297#define HOSTSLEEP 0x0005
298#define CMD_MAGIC_PKT 0x0006
299#define CMD_SETWAKEMASK 0x0007
300#define CMD_READCFG 0x0008
301#define CMD_SETMODE 0x0009
302#define CMD_ALLOCATETX 0x000a
303#define CMD_TRANSMIT 0x000b
304#define CMD_DEALLOCATETX 0x000c
305#define NOP 0x0010
306#define CMD_WORKAROUND 0x0011
307#define CMD_ALLOCATEAUX 0x0020
308#define CMD_ACCESS 0x0021
309#define CMD_PCIBAP 0x0022
310#define CMD_PCIAUX 0x0023
311#define CMD_ALLOCBUF 0x0028
312#define CMD_GETTLV 0x0029
313#define CMD_PUTTLV 0x002a
314#define CMD_DELTLV 0x002b
315#define CMD_FINDNEXTTLV 0x002c
316#define CMD_PSPNODES 0x0030
317#define CMD_SETCW 0x0031
318#define CMD_SETPCF 0x0032
319#define CMD_SETPHYREG 0x003e
320#define CMD_TXTEST 0x003f
321#define MAC_ENABLETX 0x0101
322#define CMD_LISTBSS 0x0103
323#define CMD_SAVECFG 0x0108
324#define CMD_ENABLEAUX 0x0111
325#define CMD_WRITERID 0x0121
326#define CMD_USEPSPNODES 0x0130
327#define MAC_ENABLERX 0x0201
328
329/* Command errors */
330#define ERROR_QUALIF 0x00
331#define ERROR_ILLCMD 0x01
332#define ERROR_ILLFMT 0x02
333#define ERROR_INVFID 0x03
334#define ERROR_INVRID 0x04
335#define ERROR_LARGE 0x05
336#define ERROR_NDISABL 0x06
337#define ERROR_ALLOCBSY 0x07
338#define ERROR_NORD 0x0B
339#define ERROR_NOWR 0x0C
340#define ERROR_INVFIDTX 0x0D
341#define ERROR_TESTACT 0x0E
342#define ERROR_TAGNFND 0x12
343#define ERROR_DECODE 0x20
344#define ERROR_DESCUNAV 0x21
345#define ERROR_BADLEN 0x22
346#define ERROR_MODE 0x80
347#define ERROR_HOP 0x81
348#define ERROR_BINTER 0x82
349#define ERROR_RXMODE 0x83
350#define ERROR_MACADDR 0x84
351#define ERROR_RATES 0x85
352#define ERROR_ORDER 0x86
353#define ERROR_SCAN 0x87
354#define ERROR_AUTH 0x88
355#define ERROR_PSMODE 0x89
356#define ERROR_RTYPE 0x8A
357#define ERROR_DIVER 0x8B
358#define ERROR_SSID 0x8C
359#define ERROR_APLIST 0x8D
360#define ERROR_AUTOWAKE 0x8E
361#define ERROR_LEAP 0x8F
362
363/* Registers */
364#define COMMAND 0x00
365#define PARAM0 0x02
366#define PARAM1 0x04
367#define PARAM2 0x06
368#define STATUS 0x08
369#define RESP0 0x0a
370#define RESP1 0x0c
371#define RESP2 0x0e
372#define LINKSTAT 0x10
373#define SELECT0 0x18
374#define OFFSET0 0x1c
375#define RXFID 0x20
376#define TXALLOCFID 0x22
377#define TXCOMPLFID 0x24
378#define DATA0 0x36
379#define EVSTAT 0x30
380#define EVINTEN 0x32
381#define EVACK 0x34
382#define SWS0 0x28
383#define SWS1 0x2a
384#define SWS2 0x2c
385#define SWS3 0x2e
386#define AUXPAGE 0x3A
387#define AUXOFF 0x3C
388#define AUXDATA 0x3E
389
390#define FID_TX 1
391#define FID_RX 2
392/* Offset into aux memory for descriptors */
393#define AUX_OFFSET 0x800
394/* Size of allocated packets */
395#define PKTSIZE 1840
396#define RIDSIZE 2048
397/* Size of the transmit queue */
398#define MAXTXQ 64
399
400/* BAP selectors */
401#define BAP0 0 // Used for receiving packets
402#define BAP1 2 // Used for xmiting packets and working with RIDS
403
404/* Flags */
405#define COMMAND_BUSY 0x8000
406
407#define BAP_BUSY 0x8000
408#define BAP_ERR 0x4000
409#define BAP_DONE 0x2000
410
411#define PROMISC 0xffff
412#define NOPROMISC 0x0000
413
414#define EV_CMD 0x10
415#define EV_CLEARCOMMANDBUSY 0x4000
416#define EV_RX 0x01
417#define EV_TX 0x02
418#define EV_TXEXC 0x04
419#define EV_ALLOC 0x08
420#define EV_LINK 0x80
421#define EV_AWAKE 0x100
422#define EV_TXCPY 0x400
423#define EV_UNKNOWN 0x800
424#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425#define EV_AWAKEN 0x2000
426#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428#ifdef CHECK_UNKNOWN_INTS
429#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430#else
431#define IGNORE_INTS (~STATUS_INTS)
432#endif
433
434/* RID TYPES */
435#define RID_RW 0x20
436
437/* The RIDs */
438#define RID_CAPABILITIES 0xFF00
439#define RID_APINFO 0xFF01
440#define RID_RADIOINFO 0xFF02
441#define RID_UNKNOWN3 0xFF03
442#define RID_RSSI 0xFF04
443#define RID_CONFIG 0xFF10
444#define RID_SSID 0xFF11
445#define RID_APLIST 0xFF12
446#define RID_DRVNAME 0xFF13
447#define RID_ETHERENCAP 0xFF14
448#define RID_WEP_TEMP 0xFF15
449#define RID_WEP_PERM 0xFF16
450#define RID_MODULATION 0xFF17
451#define RID_OPTIONS 0xFF18
452#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453#define RID_FACTORYCONFIG 0xFF21
454#define RID_UNKNOWN22 0xFF22
455#define RID_LEAPUSERNAME 0xFF23
456#define RID_LEAPPASSWORD 0xFF24
457#define RID_STATUS 0xFF50
458#define RID_BEACON_HST 0xFF51
459#define RID_BUSY_HST 0xFF52
460#define RID_RETRIES_HST 0xFF53
461#define RID_UNKNOWN54 0xFF54
462#define RID_UNKNOWN55 0xFF55
463#define RID_UNKNOWN56 0xFF56
464#define RID_MIC 0xFF57
465#define RID_STATS16 0xFF60
466#define RID_STATS16DELTA 0xFF61
467#define RID_STATS16DELTACLEAR 0xFF62
468#define RID_STATS 0xFF68
469#define RID_STATSDELTA 0xFF69
470#define RID_STATSDELTACLEAR 0xFF6A
471#define RID_ECHOTEST_RID 0xFF70
472#define RID_ECHOTEST_RESULTS 0xFF71
473#define RID_BSSLISTFIRST 0xFF72
474#define RID_BSSLISTNEXT 0xFF73
Dan Williams3c304952006-04-15 12:26:18 -0400475#define RID_WPA_BSSLISTFIRST 0xFF74
476#define RID_WPA_BSSLISTNEXT 0xFF75
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477
478typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483} Cmd;
484
485typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490} Resp;
491
492/*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498/* This is redundant for x86 archs, but it seems necessary for ARM */
499#pragma pack(1)
500
501/* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
503typedef struct {
Al Viro4293ea32007-12-19 19:21:51 -0500504 __le16 len;
505 __le16 kindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700506 u8 mac[ETH_ALEN];
Al Viro4293ea32007-12-19 19:21:51 -0500507 __le16 klen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508 u8 key[16];
509} WepKeyRid;
510
511/* These structures are from the Aironet's PC4500 Developers Manual */
512typedef struct {
Al Viro0dd22122007-12-17 16:11:57 -0500513 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514 u8 ssid[32];
515} Ssid;
516
517typedef struct {
Al Viro0dd22122007-12-17 16:11:57 -0500518 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519 Ssid ssids[3];
520} SsidRid;
521
522typedef struct {
Al Viro3eb9b412007-12-21 00:00:35 -0500523 __le16 len;
524 __le16 modulation;
525#define MOD_DEFAULT cpu_to_le16(0)
526#define MOD_CCK cpu_to_le16(1)
527#define MOD_MOK cpu_to_le16(2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528} ModulationRid;
529
530typedef struct {
Al Viro3eb9b412007-12-21 00:00:35 -0500531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533#define MODE_STA_IBSS cpu_to_le16(0)
534#define MODE_STA_ESS cpu_to_le16(1)
535#define MODE_AP cpu_to_le16(2)
536#define MODE_AP_RPTR cpu_to_le16(3)
537#define MODE_CFG_MASK cpu_to_le16(0xff)
538#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554#define RXMODE_MASK cpu_to_le16(255)
555#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
558 __le16 fragThresh;
559 __le16 rtsThres;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700560 u8 macAddr[ETH_ALEN];
561 u8 rates[8];
Al Viro3eb9b412007-12-21 00:00:35 -0500562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
566 __le16 stationary;
567 __le16 ordering;
568 __le16 u16deviceType; /* for overriding device type */
569 __le16 cfpRate;
570 __le16 cfpDuration;
571 __le16 _reserved1[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572 /*---------- Scanning/Associating ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500573 __le16 scanMode;
574#define SCANMODE_ACTIVE cpu_to_le16(0)
575#define SCANMODE_PASSIVE cpu_to_le16(1)
576#define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
582 __le16 authTimeout;
583 __le16 authType;
584#define AUTH_OPEN cpu_to_le16(0x1)
585#define AUTH_ENCRYPT cpu_to_le16(0x101)
586#define AUTH_SHAREDKEY cpu_to_le16(0x102)
587#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597 /*---------- Power save operation ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500598 __le16 powerSaveMode;
599#define POWERSAVE_CAM cpu_to_le16(0)
600#define POWERSAVE_PSP cpu_to_le16(1)
601#define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
605 __le16 listenDecay;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 /*---------- Ap/Ibss config items ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500609 __le16 beaconPeriod;
610 __le16 atimDuration;
611 __le16 hopPeriod;
612 __le16 channelSet;
613 __le16 channel;
614 __le16 dtimPeriod;
615 __le16 bridgeDistance;
616 __le16 radioID;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700617 /*---------- Radio configuration ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500618 __le16 radioType;
619#define RADIOTYPE_DEFAULT cpu_to_le16(0)
620#define RADIOTYPE_802_11 cpu_to_le16(1)
621#define RADIOTYPE_LEGACY cpu_to_le16(2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622 u8 rxDiversity;
623 u8 txDiversity;
Al Viro3eb9b412007-12-21 00:00:35 -0500624 __le16 txPower;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700625#define TXPOWER_DEFAULT 0
Al Viro3eb9b412007-12-21 00:00:35 -0500626 __le16 rssiThreshold;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627#define RSSI_DEFAULT 0
Al Viro3eb9b412007-12-21 00:00:35 -0500628 __le16 modulation;
629#define PREAMBLE_AUTO cpu_to_le16(0)
630#define PREAMBLE_LONG cpu_to_le16(1)
631#define PREAMBLE_SHORT cpu_to_le16(2)
632 __le16 preamble;
633 __le16 homeProduct;
634 __le16 radioSpecific;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700635 /*---------- Aironet Extensions ----------*/
636 u8 nodeName[16];
Al Viro3eb9b412007-12-21 00:00:35 -0500637 __le16 arlThreshold;
638 __le16 arlDecay;
639 __le16 arlDelay;
640 __le16 _reserved4[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641 /*---------- Aironet Extensions ----------*/
642 u8 magicAction;
643#define MAGIC_ACTION_STSCHG 1
644#define MAGIC_ACTION_RESUME 2
645#define MAGIC_IGNORE_MCAST (1<<8)
646#define MAGIC_IGNORE_BCAST (1<<9)
647#define MAGIC_SWITCH_TO_PSP (0<<10)
648#define MAGIC_STAY_IN_CAM (1<<10)
649 u8 magicControl;
Al Viro3eb9b412007-12-21 00:00:35 -0500650 __le16 autoWake;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700651} ConfigRid;
652
653typedef struct {
Al Viro329e2c02007-12-20 22:58:57 -0500654 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655 u8 mac[ETH_ALEN];
Al Viro329e2c02007-12-20 22:58:57 -0500656 __le16 mode;
657 __le16 errorCode;
658 __le16 sigQuality;
659 __le16 SSIDlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660 char SSID[32];
661 char apName[16];
662 u8 bssid[4][ETH_ALEN];
Al Viro329e2c02007-12-20 22:58:57 -0500663 __le16 beaconPeriod;
664 __le16 dimPeriod;
665 __le16 atimDuration;
666 __le16 hopPeriod;
667 __le16 channelSet;
668 __le16 channel;
669 __le16 hopsToBackbone;
670 __le16 apTotalLoad;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678 u8 apIP[4];
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
Al Viro329e2c02007-12-20 22:58:57 -0500685 __le16 load;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686 u8 carrier[4];
Al Viro329e2c02007-12-20 22:58:57 -0500687 __le16 assocStatus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700688#define STAT_NOPACKETS 0
689#define STAT_NOCARRIERSET 10
690#define STAT_GOTCARRIERSET 11
691#define STAT_WRONGSSID 20
692#define STAT_BADCHANNEL 25
693#define STAT_BADBITRATES 30
694#define STAT_BADPRIVACY 35
695#define STAT_APFOUND 40
696#define STAT_APREJECTED 50
697#define STAT_AUTHENTICATING 60
698#define STAT_DEAUTHENTICATED 61
699#define STAT_AUTHTIMEOUT 62
700#define STAT_ASSOCIATING 70
701#define STAT_DEASSOCIATED 71
702#define STAT_ASSOCTIMEOUT 72
703#define STAT_NOTAIROAP 73
704#define STAT_ASSOCIATED 80
705#define STAT_LEAPING 90
706#define STAT_LEAPFAILED 91
707#define STAT_LEAPTIMEDOUT 92
708#define STAT_LEAPCOMPLETE 93
709} StatusRid;
710
711typedef struct {
Al Viroa23ace52007-12-19 22:24:16 -0500712 __le16 len;
713 __le16 spacer;
714 __le32 vals[100];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715} StatsRid;
716
717
718typedef struct {
Al Viroa7497162007-12-20 17:49:41 -0500719 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720 u8 ap[4][ETH_ALEN];
721} APListRid;
722
723typedef struct {
Al Viro56d81bd2007-12-20 17:18:35 -0500724 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 char oui[3];
726 char zero;
Al Viro56d81bd2007-12-20 17:18:35 -0500727 __le16 prodNum;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728 char manName[32];
729 char prodName[16];
730 char prodVer[8];
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
Al Viro56d81bd2007-12-20 17:18:35 -0500733 __le16 radioType;
734 __le16 country;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735 char callid[ETH_ALEN];
736 char supportedRates[8];
737 char rxDiversity;
738 char txDiversity;
Al Viro56d81bd2007-12-20 17:18:35 -0500739 __le16 txPowerLevels[8];
740 __le16 hardVer;
741 __le16 hardCap;
742 __le16 tempRange;
743 __le16 softVer;
744 __le16 softSubVer;
745 __le16 interfaceVer;
746 __le16 softCap;
747 __le16 bootBlockVer;
748 __le16 requiredHard;
749 __le16 extSoftCap;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700750} CapabilityRid;
751
Dan Williams3c304952006-04-15 12:26:18 -0400752
753/* Only present on firmware >= 5.30.17 */
754typedef struct {
Al Viro17e70492007-12-19 18:56:37 -0500755 __le16 unknown[4];
Dan Williams3c304952006-04-15 12:26:18 -0400756 u8 fixed[12]; /* WLAN management frame */
757 u8 iep[624];
758} BSSListRidExtra;
759
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760typedef struct {
Al Viro17e70492007-12-19 18:56:37 -0500761 __le16 len;
762 __le16 index; /* First is 0 and 0xffff means end of list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700763#define RADIO_FH 1 /* Frequency hopping radio type */
764#define RADIO_DS 2 /* Direct sequence radio type */
765#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
Al Viro17e70492007-12-19 18:56:37 -0500766 __le16 radioType;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 u8 zero;
769 u8 ssidLen;
770 u8 ssid[32];
Al Viro17e70492007-12-19 18:56:37 -0500771 __le16 dBm;
772#define CAP_ESS cpu_to_le16(1<<0)
773#define CAP_IBSS cpu_to_le16(1<<1)
774#define CAP_PRIVACY cpu_to_le16(1<<4)
775#define CAP_SHORTHDR cpu_to_le16(1<<5)
776 __le16 cap;
777 __le16 beaconInterval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
Al Viro17e70492007-12-19 18:56:37 -0500780 __le16 dwell;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781 u8 hopSet;
782 u8 hopPattern;
783 u8 hopIndex;
784 u8 fill;
785 } fh;
Al Viro17e70492007-12-19 18:56:37 -0500786 __le16 dsChannel;
787 __le16 atimWindow;
Dan Williams3c304952006-04-15 12:26:18 -0400788
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700791} BSSListRid;
792
793typedef struct {
Dan Williams9e75af32006-03-16 13:46:29 -0500794 BSSListRid bss;
795 struct list_head list;
796} BSSListElement;
797
798typedef struct {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700799 u8 rssipct;
800 u8 rssidBm;
801} tdsRssiEntry;
802
803typedef struct {
804 u16 len;
805 tdsRssiEntry x[256];
806} tdsRssiRid;
807
808typedef struct {
809 u16 len;
810 u16 state;
811 u16 multicastValid;
812 u8 multicast[16];
813 u16 unicastValid;
814 u8 unicast[16];
815} MICRid;
816
817typedef struct {
Al Viro593c2b92007-12-17 15:09:34 -0500818 __be16 typelen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819
820 union {
821 u8 snap[8];
822 struct {
823 u8 dsap;
824 u8 ssap;
825 u8 control;
826 u8 orgcode[3];
827 u8 fieldtype[2];
828 } llc;
829 } u;
Al Viro593c2b92007-12-17 15:09:34 -0500830 __be32 mic;
831 __be32 seq;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832} MICBuffer;
833
834typedef struct {
835 u8 da[ETH_ALEN];
836 u8 sa[ETH_ALEN];
837} etherHead;
838
839#pragma pack()
840
841#define TXCTL_TXOK (1<<1) /* report if tx is ok */
842#define TXCTL_TXEX (1<<2) /* report if tx fails */
843#define TXCTL_802_3 (0<<3) /* 802.3 packet */
844#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846#define TXCTL_LLC (1<<4) /* payload is llc */
847#define TXCTL_RELEASE (0<<5) /* release after completion */
848#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
849
850#define BUSY_FID 0x10000
851
852#ifdef CISCO_EXT
853#define AIROMAGIC 0xa55a
854/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855#ifdef SIOCIWFIRSTPRIV
856#ifdef SIOCDEVPRIVATE
857#define AIROOLDIOCTL SIOCDEVPRIVATE
858#define AIROOLDIDIFC AIROOLDIOCTL + 1
859#endif /* SIOCDEVPRIVATE */
860#else /* SIOCIWFIRSTPRIV */
861#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862#endif /* SIOCIWFIRSTPRIV */
863/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867#define AIROIOCTL SIOCIWFIRSTPRIV
868#define AIROIDIFC AIROIOCTL + 1
869
870/* Ioctl constants to be used in airo_ioctl.command */
871
872#define AIROGCAP 0 // Capability rid
873#define AIROGCFG 1 // USED A LOT
874#define AIROGSLIST 2 // System ID list
875#define AIROGVLIST 3 // List of specified AP's
876#define AIROGDRVNAM 4 // NOTUSED
877#define AIROGEHTENC 5 // NOTUSED
878#define AIROGWEPKTMP 6
879#define AIROGWEPKNV 7
880#define AIROGSTAT 8
881#define AIROGSTATSC32 9
882#define AIROGSTATSD32 10
883#define AIROGMICRID 11
884#define AIROGMICSTATS 12
885#define AIROGFLAGS 13
886#define AIROGID 14
887#define AIRORRID 15
888#define AIRORSWVERSION 17
889
890/* Leave gap of 40 commands after AIROGSTATSD32 for future */
891
892#define AIROPCAP AIROGSTATSD32 + 40
893#define AIROPVLIST AIROPCAP + 1
894#define AIROPSLIST AIROPVLIST + 1
895#define AIROPCFG AIROPSLIST + 1
896#define AIROPSIDS AIROPCFG + 1
897#define AIROPAPLIST AIROPSIDS + 1
898#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900#define AIROPSTCLR AIROPMACOFF + 1
901#define AIROPWEPKEY AIROPSTCLR + 1
902#define AIROPWEPKEYNV AIROPWEPKEY + 1
903#define AIROPLEAPPWD AIROPWEPKEYNV + 1
904#define AIROPLEAPUSR AIROPLEAPPWD + 1
905
906/* Flash codes */
907
908#define AIROFLSHRST AIROPWEPKEYNV + 40
909#define AIROFLSHGCHR AIROFLSHRST + 1
910#define AIROFLSHSTFL AIROFLSHGCHR + 1
911#define AIROFLSHPCHR AIROFLSHSTFL + 1
912#define AIROFLPUTBUF AIROFLSHPCHR + 1
913#define AIRORESTART AIROFLPUTBUF + 1
914
915#define FLASHSIZE 32768
916#define AUXMEMSIZE (256 * 1024)
917
918typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
923} aironet_ioctl;
924
Domen Puncer62595eb2005-06-20 23:54:37 +0200925static char swversion[] = "2.1";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700926#endif /* CISCO_EXT */
927
928#define NUM_MODULES 2
929#define MIC_MSGLEN_MAX 2400
930#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
Dan Williams15db2762006-03-16 13:46:27 -0500931#define AIRO_DEF_MTU 2312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700932
933typedef struct {
934 u32 size; // size
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 reserve[32];
942} mic_statistics;
943
944typedef struct {
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
948 union {
949 u8 d8[4];
Al Viro593c2b92007-12-17 15:09:34 -0500950 __be32 d32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700951 } part; // saves partial message word across update() calls
952} emmh32_context;
953
954typedef struct {
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
960 u8 key[16];
961} miccntx;
962
963typedef struct {
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
966} mic_module;
967
968typedef struct {
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
973} Rid;
974
975typedef struct {
976 unsigned int offset: 15;
977 unsigned int eoc: 1;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981} TxFid;
982
983typedef struct {
984 unsigned int ctl: 15;
985 unsigned int rdy: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989} RxFid;
990
991/*
992 * Host receive descriptor
993 */
994typedef struct {
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
996 desc */
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
999 buffer */
1000 int pending;
1001} HostRxDesc;
1002
1003/*
1004 * Host transmit descriptor
1005 */
1006typedef struct {
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1008 desc */
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1011 buffer */
1012 int pending;
1013} HostTxDesc;
1014
1015/*
1016 * Host RID descriptor
1017 */
1018typedef struct {
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1020 descriptor */
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1023 buffer */
1024} HostRidDesc;
1025
1026typedef struct {
1027 u16 sw0;
1028 u16 sw1;
1029 u16 status;
1030 u16 len;
1031#define HOST_SET (1 << 0)
1032#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038#define HOST_RTS (1 << 9) /* Force RTS use */
1039#define HOST_SHORT (1 << 10) /* Do short preamble */
1040 u16 ctl;
1041 u16 aid;
1042 u16 retries;
1043 u16 fill;
1044} TxCtlHdr;
1045
1046typedef struct {
1047 u16 ctl;
1048 u16 duration;
1049 char addr1[6];
1050 char addr2[6];
1051 char addr3[6];
1052 u16 seq;
1053 char addr4[6];
1054} WifiHdr;
1055
1056
1057typedef struct {
1058 TxCtlHdr ctlhdr;
1059 u16 fill1;
1060 u16 fill2;
1061 WifiHdr wifihdr;
1062 u16 gaplen;
1063 u16 status;
1064} WifiCtlHdr;
1065
Jouni Malinenff1d2762005-05-12 22:54:16 -04001066static WifiCtlHdr wifictlhdr8023 = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001067 .ctlhdr = {
1068 .ctl = HOST_DONT_RLSE,
1069 }
1070};
1071
Linus Torvalds1da177e2005-04-16 15:20:36 -07001072// Frequency list (map channels to frequencies)
1073static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1075
1076// A few details needed for WEP (Wireless Equivalent Privacy)
1077#define MAX_KEY_SIZE 13 // 128 (?) bits
1078#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079typedef struct wep_key_t {
1080 u16 len;
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1082} wep_key_t;
1083
1084/* Backward compatibility */
1085#ifndef IW_ENCODE_NOKEY
1086#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088#endif /* IW_ENCODE_NOKEY */
1089
1090/* List of Wireless Handlers (new API) */
1091static const struct iw_handler_def airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001092
1093static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094
1095struct airo_info;
1096
1097static int get_dec_u16( char *buffer, int *start, int limit );
1098static void OUT4500( struct airo_info *, u16 register, u16 value );
1099static unsigned short IN4500( struct airo_info *, u16 register );
1100static u16 setup_card(struct airo_info*, u8 *mac, int lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02001101static int enable_MAC(struct airo_info *ai, int lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001102static void disable_MAC(struct airo_info *ai, int lock);
1103static void enable_interrupts(struct airo_info*);
1104static void disable_interrupts(struct airo_info*);
1105static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
Al Virob8c06bc2007-12-19 17:55:43 -05001107static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001108 int whichbap);
Al Virob8c06bc2007-12-19 17:55:43 -05001109static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001110 int whichbap);
Al Virob8c06bc2007-12-19 17:55:43 -05001111static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001112 int whichbap);
1113static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1122
1123static int mpi_send_packet (struct net_device *dev);
1124static void mpi_unmap_card(struct pci_dev *pci);
1125static void mpi_receive_802_3(struct airo_info *ai);
1126static void mpi_receive_802_11(struct airo_info *ai);
1127static int waitbusy (struct airo_info *ai);
1128
David Howells7d12e782006-10-05 14:55:46 +01001129static irqreturn_t airo_interrupt( int irq, void* dev_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130static int airo_thread(void *data);
1131static void timer_func( struct net_device *dev );
1132static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001133static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001134static void airo_read_wireless_stats (struct airo_info *local);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001135#ifdef CISCO_EXT
1136static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137static int writerids(struct net_device *dev, aironet_ioctl *comp);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001138static int flashcard(struct net_device *dev, aironet_ioctl *comp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001139#endif /* CISCO_EXT */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001140static void micinit(struct airo_info *ai);
1141static int micsetup(struct airo_info *ai);
1142static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1144
Dan Williams41480af2005-05-10 09:45:51 -04001145static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1147
Dan Williams9e75af32006-03-16 13:46:29 -05001148static void airo_networks_free(struct airo_info *ai);
1149
Linus Torvalds1da177e2005-04-16 15:20:36 -07001150struct airo_info {
1151 struct net_device_stats stats;
1152 struct net_device *dev;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01001153 struct list_head dev_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001154 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1155 use the high bit to mark whether it is in use. */
1156#define MAX_FIDS 6
1157#define MPI_MAX_FIDS 1
1158 int fids[MAX_FIDS];
1159 ConfigRid config;
1160 char keyindex; // Used with auto wep
1161 char defindex; // Used with auto wep
1162 struct proc_dir_entry *proc_entry;
1163 spinlock_t aux_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1165#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1166#define FLAG_RADIO_MASK 0x03
1167#define FLAG_ENABLED 2
1168#define FLAG_ADHOC 3 /* Needed by MIC */
1169#define FLAG_MIC_CAPABLE 4
1170#define FLAG_UPDATE_MULTI 5
1171#define FLAG_UPDATE_UNI 6
1172#define FLAG_802_11 7
Dan Williams3c304952006-04-15 12:26:18 -04001173#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001174#define FLAG_PENDING_XMIT 9
1175#define FLAG_PENDING_XMIT11 10
1176#define FLAG_MPI 11
1177#define FLAG_REGISTERED 12
1178#define FLAG_COMMIT 13
1179#define FLAG_RESET 14
1180#define FLAG_FLASHING 15
Dan Williams3c304952006-04-15 12:26:18 -04001181#define FLAG_WPA_CAPABLE 16
1182 unsigned long flags;
1183#define JOB_DIE 0
1184#define JOB_XMIT 1
1185#define JOB_XMIT11 2
1186#define JOB_STATS 3
1187#define JOB_PROMISC 4
1188#define JOB_MIC 5
1189#define JOB_EVENT 6
1190#define JOB_AUTOWEP 7
1191#define JOB_WSTATS 8
1192#define JOB_SCAN_RESULTS 9
1193 unsigned long jobs;
Al Virob8c06bc2007-12-19 17:55:43 -05001194 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001195 int whichbap);
1196 unsigned short *flash;
1197 tdsRssiEntry *rssi;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001198 struct task_struct *list_bss_task;
1199 struct task_struct *airo_thread_task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001200 struct semaphore sem;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001201 wait_queue_head_t thr_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001202 unsigned long expires;
1203 struct {
1204 struct sk_buff *skb;
1205 int fid;
1206 } xmit, xmit11;
1207 struct net_device *wifidev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208 struct iw_statistics wstats; // wireless stats
Dan Williams9e75af32006-03-16 13:46:29 -05001209 unsigned long scan_timeout; /* Time scan should be read */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 struct iw_spy_data spy_data;
1211 struct iw_public_data wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001212 /* MIC stuff */
Herbert Xuf12cc202006-08-22 20:36:13 +10001213 struct crypto_cipher *tfm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001214 mic_module mod[2];
1215 mic_statistics micstats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1217 HostTxDesc txfids[MPI_MAX_FIDS];
1218 HostRidDesc config_desc;
1219 unsigned long ridbus; // phys addr of config_desc
1220 struct sk_buff_head txq;// tx queue used by mpi350 code
1221 struct pci_dev *pci;
1222 unsigned char __iomem *pcimem;
1223 unsigned char __iomem *pciaux;
1224 unsigned char *shared;
1225 dma_addr_t shared_dma;
Pavel Machek1cc68ae2005-06-20 15:33:04 -07001226 pm_message_t power;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001227 SsidRid *SSID;
1228 APListRid *APList;
1229#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1230 char proc_name[IFNAMSIZ];
Dan Williams9e75af32006-03-16 13:46:29 -05001231
Dan Williams3c304952006-04-15 12:26:18 -04001232 /* WPA-related stuff */
1233 unsigned int bssListFirst;
1234 unsigned int bssListNext;
1235 unsigned int bssListRidLen;
1236
Dan Williams9e75af32006-03-16 13:46:29 -05001237 struct list_head network_list;
1238 struct list_head network_free_list;
1239 BSSListElement *networks;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001240};
1241
Al Virob8c06bc2007-12-19 17:55:43 -05001242static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1243 int whichbap)
1244{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001245 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1246}
1247
1248static int setup_proc_entry( struct net_device *dev,
1249 struct airo_info *apriv );
1250static int takedown_proc_entry( struct net_device *dev,
1251 struct airo_info *apriv );
1252
Jouni Malinenff1d2762005-05-12 22:54:16 -04001253static int cmdreset(struct airo_info *ai);
1254static int setflashmode (struct airo_info *ai);
1255static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1256static int flashputbuf(struct airo_info *ai);
1257static int flashrestart(struct airo_info *ai,struct net_device *dev);
1258
Dan Williams934d8bf2006-03-16 13:46:23 -05001259#define airo_print(type, name, fmt, args...) \
Michal Schmidt1138c372007-06-29 15:33:41 +02001260 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
Dan Williams934d8bf2006-03-16 13:46:23 -05001261
1262#define airo_print_info(name, fmt, args...) \
1263 airo_print(KERN_INFO, name, fmt, ##args)
1264
1265#define airo_print_dbg(name, fmt, args...) \
1266 airo_print(KERN_DEBUG, name, fmt, ##args)
1267
1268#define airo_print_warn(name, fmt, args...) \
1269 airo_print(KERN_WARNING, name, fmt, ##args)
1270
1271#define airo_print_err(name, fmt, args...) \
1272 airo_print(KERN_ERR, name, fmt, ##args)
1273
1274
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275/***********************************************************************
1276 * MIC ROUTINES *
1277 ***********************************************************************
1278 */
1279
1280static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1281static void MoveWindow(miccntx *context, u32 micSeq);
Herbert Xuf12cc202006-08-22 20:36:13 +10001282static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1283 struct crypto_cipher *tfm);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001284static void emmh32_init(emmh32_context *context);
1285static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1286static void emmh32_final(emmh32_context *context, u8 digest[4]);
1287static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001288
1289/* micinit - Initialize mic seed */
1290
1291static void micinit(struct airo_info *ai)
1292{
1293 MICRid mic_rid;
1294
Dan Williams3c304952006-04-15 12:26:18 -04001295 clear_bit(JOB_MIC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001296 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1297 up(&ai->sem);
1298
1299 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1300
1301 if (ai->micstats.enabled) {
1302 /* Key must be valid and different */
1303 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1304 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1305 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1306 /* Age current mic Context */
1307 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1308 /* Initialize new context */
1309 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1310 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1311 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1312 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1313 ai->mod[0].mCtx.valid = 1; //Key is now valid
1314
1315 /* Give key to mic seed */
1316 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1317 }
1318
1319 /* Key must be valid and different */
1320 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1321 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1322 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1323 /* Age current mic Context */
1324 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1325 /* Initialize new context */
1326 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1327
1328 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1329 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1330 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1331 ai->mod[0].uCtx.valid = 1; //Key is now valid
1332
1333 //Give key to mic seed
1334 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1335 }
1336 } else {
1337 /* So next time we have a valid key and mic is enabled, we will update
1338 * the sequence number if the key is the same as before.
1339 */
1340 ai->mod[0].uCtx.valid = 0;
1341 ai->mod[0].mCtx.valid = 0;
1342 }
1343}
1344
1345/* micsetup - Get ready for business */
1346
1347static int micsetup(struct airo_info *ai) {
1348 int i;
1349
1350 if (ai->tfm == NULL)
Herbert Xuf12cc202006-08-22 20:36:13 +10001351 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001352
Herbert Xuf12cc202006-08-22 20:36:13 +10001353 if (IS_ERR(ai->tfm)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001354 airo_print_err(ai->dev->name, "failed to load transform for AES");
Herbert Xuf12cc202006-08-22 20:36:13 +10001355 ai->tfm = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001356 return ERROR;
1357 }
1358
1359 for (i=0; i < NUM_MODULES; i++) {
1360 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1361 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1362 }
1363 return SUCCESS;
1364}
1365
Jouni Malinenff1d2762005-05-12 22:54:16 -04001366static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
Linus Torvalds1da177e2005-04-16 15:20:36 -07001367
1368/*===========================================================================
1369 * Description: Mic a packet
1370 *
1371 * Inputs: etherHead * pointer to an 802.3 frame
1372 *
1373 * Returns: BOOLEAN if successful, otherwise false.
1374 * PacketTxLen will be updated with the mic'd packets size.
1375 *
1376 * Caveats: It is assumed that the frame buffer will already
1377 * be big enough to hold the largets mic message possible.
1378 * (No memory allocation is done here).
1379 *
1380 * Author: sbraneky (10/15/01)
1381 * Merciless hacks by rwilcher (1/14/02)
1382 */
1383
1384static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1385{
1386 miccntx *context;
1387
1388 // Determine correct context
1389 // If not adhoc, always use unicast key
1390
1391 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1392 context = &ai->mod[0].mCtx;
1393 else
1394 context = &ai->mod[0].uCtx;
1395
1396 if (!context->valid)
1397 return ERROR;
1398
1399 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1400
1401 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1402
1403 // Add Tx sequence
1404 mic->seq = htonl(context->tx);
1405 context->tx += 2;
1406
1407 emmh32_init(&context->seed); // Mic the packet
1408 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1409 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1410 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1411 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1412 emmh32_final(&context->seed, (u8*)&mic->mic);
1413
1414 /* New Type/length ?????????? */
1415 mic->typelen = 0; //Let NIC know it could be an oversized packet
1416 return SUCCESS;
1417}
1418
1419typedef enum {
1420 NONE,
1421 NOMIC,
1422 NOMICPLUMMED,
1423 SEQUENCE,
1424 INCORRECTMIC,
1425} mic_error;
1426
1427/*===========================================================================
1428 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1429 * (removes the MIC stuff) if packet is a valid packet.
1430 *
1431 * Inputs: etherHead pointer to the 802.3 packet
1432 *
1433 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1434 *
1435 * Author: sbraneky (10/15/01)
1436 * Merciless hacks by rwilcher (1/14/02)
1437 *---------------------------------------------------------------------------
1438 */
1439
1440static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1441{
1442 int i;
1443 u32 micSEQ;
1444 miccntx *context;
1445 u8 digest[4];
1446 mic_error micError = NONE;
1447
1448 // Check if the packet is a Mic'd packet
1449
1450 if (!ai->micstats.enabled) {
1451 //No Mic set or Mic OFF but we received a MIC'd packet.
1452 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1453 ai->micstats.rxMICPlummed++;
1454 return ERROR;
1455 }
1456 return SUCCESS;
1457 }
1458
1459 if (ntohs(mic->typelen) == 0x888E)
1460 return SUCCESS;
1461
1462 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1463 // Mic enabled but packet isn't Mic'd
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467
1468 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1469
1470 //At this point we a have a mic'd packet and mic is enabled
1471 //Now do the mic error checking.
1472
1473 //Receive seq must be odd
1474 if ( (micSEQ & 1) == 0 ) {
1475 ai->micstats.rxWrongSequence++;
1476 return ERROR;
1477 }
1478
1479 for (i = 0; i < NUM_MODULES; i++) {
1480 int mcast = eth->da[0] & 1;
1481 //Determine proper context
1482 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1483
1484 //Make sure context is valid
1485 if (!context->valid) {
1486 if (i == 0)
1487 micError = NOMICPLUMMED;
1488 continue;
1489 }
1490 //DeMic it
1491
1492 if (!mic->typelen)
1493 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1494
1495 emmh32_init(&context->seed);
1496 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1497 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1498 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1499 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1500 //Calculate MIC
1501 emmh32_final(&context->seed, digest);
1502
1503 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1504 //Invalid Mic
1505 if (i == 0)
1506 micError = INCORRECTMIC;
1507 continue;
1508 }
1509
1510 //Check Sequence number if mics pass
1511 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1512 ai->micstats.rxSuccess++;
1513 return SUCCESS;
1514 }
1515 if (i == 0)
1516 micError = SEQUENCE;
1517 }
1518
1519 // Update statistics
1520 switch (micError) {
1521 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1522 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1523 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1524 case NONE: break;
1525 case NOMIC: break;
1526 }
1527 return ERROR;
1528}
1529
1530/*===========================================================================
1531 * Description: Checks the Rx Seq number to make sure it is valid
1532 * and hasn't already been received
1533 *
1534 * Inputs: miccntx - mic context to check seq against
1535 * micSeq - the Mic seq number
1536 *
1537 * Returns: TRUE if valid otherwise FALSE.
1538 *
1539 * Author: sbraneky (10/15/01)
1540 * Merciless hacks by rwilcher (1/14/02)
1541 *---------------------------------------------------------------------------
1542 */
1543
1544static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1545{
1546 u32 seq,index;
1547
1548 //Allow for the ap being rebooted - if it is then use the next
1549 //sequence number of the current sequence number - might go backwards
1550
1551 if (mcast) {
1552 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33;
1555 context->rx = 0; // Reset rx
1556 }
1557 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1558 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1559 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1560 context->rx = 0; // Reset rx
1561 }
1562
1563 //Make sequence number relative to START of window
1564 seq = micSeq - (context->window - 33);
1565
1566 //Too old of a SEQ number to check.
1567 if ((s32)seq < 0)
1568 return ERROR;
1569
1570 if ( seq > 64 ) {
1571 //Window is infinite forward
1572 MoveWindow(context,micSeq);
1573 return SUCCESS;
1574 }
1575
1576 // We are in the window. Now check the context rx bit to see if it was already sent
1577 seq >>= 1; //divide by 2 because we only have odd numbers
1578 index = 1 << seq; //Get an index number
1579
1580 if (!(context->rx & index)) {
1581 //micSEQ falls inside the window.
1582 //Add seqence number to the list of received numbers.
1583 context->rx |= index;
1584
1585 MoveWindow(context,micSeq);
1586
1587 return SUCCESS;
1588 }
1589 return ERROR;
1590}
1591
1592static void MoveWindow(miccntx *context, u32 micSeq)
1593{
1594 u32 shift;
1595
1596 //Move window if seq greater than the middle of the window
1597 if (micSeq > context->window) {
1598 shift = (micSeq - context->window) >> 1;
1599
1600 //Shift out old
1601 if (shift < 32)
1602 context->rx >>= shift;
1603 else
1604 context->rx = 0;
1605
1606 context->window = micSeq; //Move window
1607 }
1608}
1609
1610/*==============================================*/
1611/*========== EMMH ROUTINES ====================*/
1612/*==============================================*/
1613
1614/* mic accumulate */
1615#define MIC_ACCUM(val) \
1616 context->accum += (u64)(val) * context->coeff[coeff_position++];
1617
1618static unsigned char aes_counter[16];
1619
1620/* expand the key to fill the MMH coefficient array */
Herbert Xuf12cc202006-08-22 20:36:13 +10001621static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1622 struct crypto_cipher *tfm)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001623{
1624 /* take the keying material, expand if necessary, truncate at 16-bytes */
1625 /* run through AES counter mode to generate context->coeff[] */
1626
1627 int i,j;
1628 u32 counter;
1629 u8 *cipher, plain[16];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001630
1631 crypto_cipher_setkey(tfm, pkey, 16);
1632 counter = 0;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001633 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001634 aes_counter[15] = (u8)(counter >> 0);
1635 aes_counter[14] = (u8)(counter >> 8);
1636 aes_counter[13] = (u8)(counter >> 16);
1637 aes_counter[12] = (u8)(counter >> 24);
1638 counter++;
1639 memcpy (plain, aes_counter, 16);
Herbert Xuf12cc202006-08-22 20:36:13 +10001640 crypto_cipher_encrypt_one(tfm, plain, plain);
1641 cipher = plain;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001642 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
Al Viro593c2b92007-12-17 15:09:34 -05001643 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001644 j += 4;
1645 }
1646 }
1647}
1648
1649/* prepare for calculation of a new mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001650static void emmh32_init(emmh32_context *context)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001651{
1652 /* prepare for new mic calculation */
1653 context->accum = 0;
1654 context->position = 0;
1655}
1656
1657/* add some bytes to the mic calculation */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001658static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001659{
1660 int coeff_position, byte_position;
1661
1662 if (len == 0) return;
1663
1664 coeff_position = context->position >> 2;
1665
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1670 do {
1671 if (len == 0) return;
1672 context->part.d8[byte_position++] = *pOctets++;
1673 context->position++;
1674 len--;
1675 } while (byte_position < 4);
Al Viro593c2b92007-12-17 15:09:34 -05001676 MIC_ACCUM(ntohl(context->part.d32));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001677 }
1678
1679 /* deal with full 32-bit words */
1680 while (len >= 4) {
Al Viro593c2b92007-12-17 15:09:34 -05001681 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001682 context->position += 4;
1683 pOctets += 4;
1684 len -= 4;
1685 }
1686
1687 /* deal with partial 32-bit word that will be left over from this update */
1688 byte_position = 0;
1689 while (len > 0) {
1690 context->part.d8[byte_position++] = *pOctets++;
1691 context->position++;
1692 len--;
1693 }
1694}
1695
1696/* mask used to zero empty bytes for final partial word */
1697static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1698
1699/* calculate the mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001700static void emmh32_final(emmh32_context *context, u8 digest[4])
Linus Torvalds1da177e2005-04-16 15:20:36 -07001701{
1702 int coeff_position, byte_position;
1703 u32 val;
1704
1705 u64 sum, utmp;
1706 s64 stmp;
1707
1708 coeff_position = context->position >> 2;
1709
1710 /* deal with partial 32-bit word left over from last update */
1711 byte_position = context->position & 3;
1712 if (byte_position) {
1713 /* have a partial word in part to deal with */
Al Viro593c2b92007-12-17 15:09:34 -05001714 val = ntohl(context->part.d32);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001715 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1716 }
1717
1718 /* reduce the accumulated u64 to a 32-bit MIC */
1719 sum = context->accum;
1720 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1721 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1722 sum = utmp & 0xffffffffLL;
1723 if (utmp > 0x10000000fLL)
1724 sum -= 15;
1725
1726 val = (u32)sum;
1727 digest[0] = (val>>24) & 0xFF;
1728 digest[1] = (val>>16) & 0xFF;
1729 digest[2] = (val>>8) & 0xFF;
1730 digest[3] = val & 0xFF;
1731}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001732
1733static int readBSSListRid(struct airo_info *ai, int first,
Al Viro17e70492007-12-19 18:56:37 -05001734 BSSListRid *list)
1735{
Dan Williams3c304952006-04-15 12:26:18 -04001736 Cmd cmd;
1737 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001738
1739 if (first == 1) {
Dan Williams3c304952006-04-15 12:26:18 -04001740 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1741 memset(&cmd, 0, sizeof(cmd));
1742 cmd.cmd=CMD_LISTBSS;
1743 if (down_interruptible(&ai->sem))
1744 return -ERESTARTSYS;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001745 ai->list_bss_task = current;
Dan Williams3c304952006-04-15 12:26:18 -04001746 issuecommand(ai, &cmd, &rsp);
1747 up(&ai->sem);
1748 /* Let the command take effect */
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001749 schedule_timeout_uninterruptible(3 * HZ);
1750 ai->list_bss_task = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04001751 }
Al Viro17e70492007-12-19 18:56:37 -05001752 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
Dan Williams3c304952006-04-15 12:26:18 -04001753 list, ai->bssListRidLen, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001754}
1755
Al Viro4293ea32007-12-19 19:21:51 -05001756static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1757{
1758 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001759 wkr, sizeof(*wkr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001760}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001761
Al Viro4293ea32007-12-19 19:21:51 -05001762static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1763{
1764 int rc;
1765 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1766 if (rc!=SUCCESS)
1767 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001768 if (perm) {
Al Viro4293ea32007-12-19 19:21:51 -05001769 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1770 if (rc!=SUCCESS)
Dan Williams934d8bf2006-03-16 13:46:23 -05001771 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001772 }
1773 return rc;
1774}
1775
Al Viro0dd22122007-12-17 16:11:57 -05001776static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1777{
1778 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001779}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001780
Al Viro0dd22122007-12-17 16:11:57 -05001781static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1782{
1783 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001784}
Al Viro0dd22122007-12-17 16:11:57 -05001785
Al Viro3eb9b412007-12-21 00:00:35 -05001786static int readConfigRid(struct airo_info *ai, int lock)
1787{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001788 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001789 ConfigRid cfg;
1790
1791 if (ai->config.len)
1792 return SUCCESS;
1793
1794 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1795 if (rc != SUCCESS)
1796 return rc;
1797
Linus Torvalds1da177e2005-04-16 15:20:36 -07001798 ai->config = cfg;
1799 return SUCCESS;
1800}
Al Viro3eb9b412007-12-21 00:00:35 -05001801
1802static inline void checkThrottle(struct airo_info *ai)
1803{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001804 int i;
1805/* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1810 }
1811 }
1812 }
1813}
Al Viro3eb9b412007-12-21 00:00:35 -05001814
1815static int writeConfigRid(struct airo_info *ai, int lock)
1816{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001817 ConfigRid cfgr;
1818
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1820 return SUCCESS;
1821
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1824 checkThrottle(ai);
1825 cfgr = ai->config;
1826
Al Viro3eb9b412007-12-21 00:00:35 -05001827 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001828 set_bit(FLAG_ADHOC, &ai->flags);
1829 else
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1831
Linus Torvalds1da177e2005-04-16 15:20:36 -07001832 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1833}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001834
Al Viro329e2c02007-12-20 22:58:57 -05001835static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1836{
1837 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001838}
Al Viroa7497162007-12-20 17:49:41 -05001839
1840static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1841{
1842 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001843}
Al Viroa7497162007-12-20 17:49:41 -05001844
1845static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1846{
1847 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001848}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001849
Al Viro56d81bd2007-12-20 17:18:35 -05001850static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1851{
1852 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001853}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001854
Al Viroa23ace52007-12-19 22:24:16 -05001855static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1856{
1857 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001858}
1859
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001860static void try_auto_wep(struct airo_info *ai)
1861{
1862 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1863 ai->expires = RUN_AT(3*HZ);
1864 wake_up_interruptible(&ai->thr_wait);
1865 }
1866}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001867
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001868static int airo_open(struct net_device *dev) {
1869 struct airo_info *ai = dev->priv;
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001870 int rc = 0;
1871
1872 if (test_bit(FLAG_FLASHING, &ai->flags))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001873 return -EIO;
1874
1875 /* Make sure the card is configured.
1876 * Wireless Extensions may postpone config changes until the card
1877 * is open (to pipeline changes and speed-up card setup). If
1878 * those changes are not yet commited, do it now - Jean II */
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001879 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1880 disable_MAC(ai, 1);
1881 writeConfigRid(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001882 }
1883
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001884 if (ai->wifidev != dev) {
1885 clear_bit(JOB_DIE, &ai->jobs);
1886 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1887 if (IS_ERR(ai->airo_thread_task))
1888 return (int)PTR_ERR(ai->airo_thread_task);
1889
1890 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1891 dev->name, dev);
1892 if (rc) {
1893 airo_print_err(dev->name,
1894 "register interrupt %d failed, rc %d",
1895 dev->irq, rc);
1896 set_bit(JOB_DIE, &ai->jobs);
1897 kthread_stop(ai->airo_thread_task);
1898 return rc;
1899 }
1900
Linus Torvalds1da177e2005-04-16 15:20:36 -07001901 /* Power on the MAC controller (which may have been disabled) */
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001902 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1903 enable_interrupts(ai);
1904
1905 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001906 }
Michal Schmidt175ec1a2007-06-29 15:33:47 +02001907 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001908
1909 netif_start_queue(dev);
1910 return 0;
1911}
1912
1913static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1914 int npacks, pending;
1915 unsigned long flags;
1916 struct airo_info *ai = dev->priv;
1917
1918 if (!skb) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001919 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001920 return 0;
1921 }
1922 npacks = skb_queue_len (&ai->txq);
1923
1924 if (npacks >= MAXTXQ - 1) {
1925 netif_stop_queue (dev);
1926 if (npacks > MAXTXQ) {
1927 ai->stats.tx_fifo_errors++;
1928 return 1;
1929 }
1930 skb_queue_tail (&ai->txq, skb);
1931 return 0;
1932 }
1933
1934 spin_lock_irqsave(&ai->aux_lock, flags);
1935 skb_queue_tail (&ai->txq, skb);
1936 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1937 spin_unlock_irqrestore(&ai->aux_lock,flags);
1938 netif_wake_queue (dev);
1939
1940 if (pending == 0) {
1941 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1942 mpi_send_packet (dev);
1943 }
1944 return 0;
1945}
1946
1947/*
1948 * @mpi_send_packet
1949 *
1950 * Attempt to transmit a packet. Can be called from interrupt
1951 * or transmit . return number of packets we tried to send
1952 */
1953
1954static int mpi_send_packet (struct net_device *dev)
1955{
1956 struct sk_buff *skb;
1957 unsigned char *buffer;
Al Viro593c2b92007-12-17 15:09:34 -05001958 s16 len;
1959 __le16 *payloadLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001960 struct airo_info *ai = dev->priv;
1961 u8 *sendbuf;
1962
1963 /* get a packet to send */
1964
Al Viro79ea13c2008-01-24 02:06:46 -08001965 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001966 airo_print_err(dev->name,
1967 "%s: Dequeue'd zero in send_packet()",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001968 __FUNCTION__);
1969 return 0;
1970 }
1971
1972 /* check min length*/
1973 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1974 buffer = skb->data;
1975
1976 ai->txfids[0].tx_desc.offset = 0;
1977 ai->txfids[0].tx_desc.valid = 1;
1978 ai->txfids[0].tx_desc.eoc = 1;
1979 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1980
1981/*
1982 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1983 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1984 * is immediatly after it. ------------------------------------------------
1985 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1986 * ------------------------------------------------
1987 */
1988
1989 memcpy((char *)ai->txfids[0].virtual_host_addr,
1990 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1991
Al Viro593c2b92007-12-17 15:09:34 -05001992 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
Linus Torvalds1da177e2005-04-16 15:20:36 -07001993 sizeof(wifictlhdr8023));
1994 sendbuf = ai->txfids[0].virtual_host_addr +
1995 sizeof(wifictlhdr8023) + 2 ;
1996
1997 /*
1998 * Firmware automaticly puts 802 header on so
1999 * we don't need to account for it in the length
2000 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002001 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
Al Viro593c2b92007-12-17 15:09:34 -05002002 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002003 MICBuffer pMic;
2004
2005 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2006 return ERROR;
2007
2008 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2009 ai->txfids[0].tx_desc.len += sizeof(pMic);
2010 /* copy data into airo dma buffer */
2011 memcpy (sendbuf, buffer, sizeof(etherHead));
2012 buffer += sizeof(etherHead);
2013 sendbuf += sizeof(etherHead);
2014 memcpy (sendbuf, &pMic, sizeof(pMic));
2015 sendbuf += sizeof(pMic);
2016 memcpy (sendbuf, buffer, len - sizeof(etherHead));
Adrian Bunka39d3e72006-01-21 01:35:15 +01002017 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002018 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2019
2020 dev->trans_start = jiffies;
2021
2022 /* copy data into airo dma buffer */
2023 memcpy(sendbuf, buffer, len);
2024 }
2025
2026 memcpy_toio(ai->txfids[0].card_ram_off,
2027 &ai->txfids[0].tx_desc, sizeof(TxFid));
2028
2029 OUT4500(ai, EVACK, 8);
2030
2031 dev_kfree_skb_any(skb);
2032 return 1;
2033}
2034
Gabriel A. Devenyi29b09fc2005-11-03 19:30:47 -05002035static void get_tx_error(struct airo_info *ai, s32 fid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002036{
Al Viro593c2b92007-12-17 15:09:34 -05002037 __le16 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002038
2039 if (fid < 0)
2040 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2041 else {
2042 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2043 return;
2044 bap_read(ai, &status, 2, BAP0);
2045 }
2046 if (le16_to_cpu(status) & 2) /* Too many retries */
2047 ai->stats.tx_aborted_errors++;
2048 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2049 ai->stats.tx_heartbeat_errors++;
2050 if (le16_to_cpu(status) & 8) /* Aid fail */
2051 { }
2052 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2053 ai->stats.tx_carrier_errors++;
2054 if (le16_to_cpu(status) & 0x20) /* Association lost */
2055 { }
2056 /* We produce a TXDROP event only for retry or lifetime
2057 * exceeded, because that's the only status that really mean
2058 * that this particular node went away.
2059 * Other errors means that *we* screwed up. - Jean II */
2060 if ((le16_to_cpu(status) & 2) ||
2061 (le16_to_cpu(status) & 4)) {
2062 union iwreq_data wrqu;
2063 char junk[0x18];
2064
2065 /* Faster to skip over useless data than to do
2066 * another bap_setup(). We are at offset 0x6 and
2067 * need to go to 0x18 and read 6 bytes - Jean II */
Al Virob8c06bc2007-12-19 17:55:43 -05002068 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002069
2070 /* Copy 802.11 dest address.
2071 * We use the 802.11 header because the frame may
2072 * not be 802.3 or may be mangled...
2073 * In Ad-Hoc mode, it will be the node address.
2074 * In managed mode, it will be most likely the AP addr
2075 * User space will figure out how to convert it to
2076 * whatever it needs (IP address or else).
2077 * - Jean II */
2078 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2079 wrqu.addr.sa_family = ARPHRD_ETHER;
2080
2081 /* Send event to user space */
2082 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2083 }
2084}
2085
2086static void airo_end_xmit(struct net_device *dev) {
2087 u16 status;
2088 int i;
2089 struct airo_info *priv = dev->priv;
2090 struct sk_buff *skb = priv->xmit.skb;
2091 int fid = priv->xmit.fid;
2092 u32 *fids = priv->fids;
2093
Dan Williams3c304952006-04-15 12:26:18 -04002094 clear_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002095 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2096 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2097 up(&priv->sem);
2098
2099 i = 0;
2100 if ( status == SUCCESS ) {
2101 dev->trans_start = jiffies;
2102 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2103 } else {
2104 priv->fids[fid] &= 0xffff;
2105 priv->stats.tx_window_errors++;
2106 }
2107 if (i < MAX_FIDS / 2)
2108 netif_wake_queue(dev);
2109 dev_kfree_skb(skb);
2110}
2111
2112static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2113 s16 len;
2114 int i, j;
2115 struct airo_info *priv = dev->priv;
2116 u32 *fids = priv->fids;
2117
2118 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002119 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002120 return 0;
2121 }
2122
2123 /* Find a vacant FID */
2124 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2125 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2126
2127 if ( j >= MAX_FIDS / 2 ) {
2128 netif_stop_queue(dev);
2129
2130 if (i == MAX_FIDS / 2) {
2131 priv->stats.tx_fifo_errors++;
2132 return 1;
2133 }
2134 }
2135 /* check min length*/
2136 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2137 /* Mark fid as used & save length for later */
2138 fids[i] |= (len << 16);
2139 priv->xmit.skb = skb;
2140 priv->xmit.fid = i;
2141 if (down_trylock(&priv->sem) != 0) {
2142 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2143 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002144 set_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002145 wake_up_interruptible(&priv->thr_wait);
2146 } else
2147 airo_end_xmit(dev);
2148 return 0;
2149}
2150
2151static void airo_end_xmit11(struct net_device *dev) {
2152 u16 status;
2153 int i;
2154 struct airo_info *priv = dev->priv;
2155 struct sk_buff *skb = priv->xmit11.skb;
2156 int fid = priv->xmit11.fid;
2157 u32 *fids = priv->fids;
2158
Dan Williams3c304952006-04-15 12:26:18 -04002159 clear_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002160 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2161 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2162 up(&priv->sem);
2163
2164 i = MAX_FIDS / 2;
2165 if ( status == SUCCESS ) {
2166 dev->trans_start = jiffies;
2167 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2168 } else {
2169 priv->fids[fid] &= 0xffff;
2170 priv->stats.tx_window_errors++;
2171 }
2172 if (i < MAX_FIDS)
2173 netif_wake_queue(dev);
2174 dev_kfree_skb(skb);
2175}
2176
2177static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2178 s16 len;
2179 int i, j;
2180 struct airo_info *priv = dev->priv;
2181 u32 *fids = priv->fids;
2182
2183 if (test_bit(FLAG_MPI, &priv->flags)) {
2184 /* Not implemented yet for MPI350 */
2185 netif_stop_queue(dev);
2186 return -ENETDOWN;
2187 }
2188
2189 if ( skb == NULL ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002190 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002191 return 0;
2192 }
2193
2194 /* Find a vacant FID */
2195 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2197
2198 if ( j >= MAX_FIDS ) {
2199 netif_stop_queue(dev);
2200
2201 if (i == MAX_FIDS) {
2202 priv->stats.tx_fifo_errors++;
2203 return 1;
2204 }
2205 }
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit11.skb = skb;
2211 priv->xmit11.fid = i;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2214 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002215 set_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002216 wake_up_interruptible(&priv->thr_wait);
2217 } else
2218 airo_end_xmit11(dev);
2219 return 0;
2220}
2221
Al Viroa23ace52007-12-19 22:24:16 -05002222static void airo_read_stats(struct airo_info *ai)
2223{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002224 StatsRid stats_rid;
Al Viroa23ace52007-12-19 22:24:16 -05002225 __le32 *vals = stats_rid.vals;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002226
Dan Williams3c304952006-04-15 12:26:18 -04002227 clear_bit(JOB_STATS, &ai->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07002228 if (ai->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002229 up(&ai->sem);
2230 return;
2231 }
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2233 up(&ai->sem);
2234
Al Viroa23ace52007-12-19 22:24:16 -05002235 ai->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2236 le32_to_cpu(vals[45]);
2237 ai->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2238 le32_to_cpu(vals[41]);
2239 ai->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 ai->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 ai->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2243 ai->stats.tx_errors = le32_to_cpu(vals[42]) + ai->stats.tx_fifo_errors;
2244 ai->stats.multicast = le32_to_cpu(vals[43]);
2245 ai->stats.collisions = le32_to_cpu(vals[89]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002246
2247 /* detailed rx_errors: */
Al Viroa23ace52007-12-19 22:24:16 -05002248 ai->stats.rx_length_errors = le32_to_cpu(vals[3]);
2249 ai->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2250 ai->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2251 ai->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002252}
2253
Jouni Malinenff1d2762005-05-12 22:54:16 -04002254static struct net_device_stats *airo_get_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002255{
2256 struct airo_info *local = dev->priv;
2257
Dan Williams3c304952006-04-15 12:26:18 -04002258 if (!test_bit(JOB_STATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002259 /* Get stats out of the card if available */
2260 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002261 set_bit(JOB_STATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002262 wake_up_interruptible(&local->thr_wait);
2263 } else
2264 airo_read_stats(local);
2265 }
2266
2267 return &local->stats;
2268}
2269
2270static void airo_set_promisc(struct airo_info *ai) {
2271 Cmd cmd;
2272 Resp rsp;
2273
2274 memset(&cmd, 0, sizeof(cmd));
2275 cmd.cmd=CMD_SETMODE;
Dan Williams3c304952006-04-15 12:26:18 -04002276 clear_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002277 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2278 issuecommand(ai, &cmd, &rsp);
2279 up(&ai->sem);
2280}
2281
2282static void airo_set_multicast_list(struct net_device *dev) {
2283 struct airo_info *ai = dev->priv;
2284
2285 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2286 change_bit(FLAG_PROMISC, &ai->flags);
2287 if (down_trylock(&ai->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002288 set_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002289 wake_up_interruptible(&ai->thr_wait);
2290 } else
2291 airo_set_promisc(ai);
2292 }
2293
2294 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2295 /* Turn on multicast. (Should be already setup...) */
2296 }
2297}
2298
2299static int airo_set_mac_address(struct net_device *dev, void *p)
2300{
2301 struct airo_info *ai = dev->priv;
2302 struct sockaddr *addr = p;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002303
2304 readConfigRid(ai, 1);
2305 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2306 set_bit (FLAG_COMMIT, &ai->flags);
2307 disable_MAC(ai, 1);
2308 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02002309 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002310 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2311 if (ai->wifidev)
2312 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2313 return 0;
2314}
2315
2316static int airo_change_mtu(struct net_device *dev, int new_mtu)
2317{
2318 if ((new_mtu < 68) || (new_mtu > 2400))
2319 return -EINVAL;
2320 dev->mtu = new_mtu;
2321 return 0;
2322}
2323
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002324static LIST_HEAD(airo_devices);
2325
2326static void add_airo_dev(struct airo_info *ai)
2327{
2328 /* Upper layers already keep track of PCI devices,
2329 * so we only need to remember our non-PCI cards. */
2330 if (!ai->pci)
2331 list_add_tail(&ai->dev_list, &airo_devices);
2332}
2333
2334static void del_airo_dev(struct airo_info *ai)
2335{
2336 if (!ai->pci)
2337 list_del(&ai->dev_list);
2338}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002339
2340static int airo_close(struct net_device *dev) {
2341 struct airo_info *ai = dev->priv;
2342
2343 netif_stop_queue(dev);
2344
2345 if (ai->wifidev != dev) {
2346#ifdef POWER_ON_DOWN
2347 /* Shut power to the card. The idea is that the user can save
2348 * power when he doesn't need the card with "ifconfig down".
2349 * That's the method that is most friendly towards the network
2350 * stack (i.e. the network stack won't try to broadcast
2351 * anything on the interface and routes are gone. Jean II */
2352 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2353 disable_MAC(ai, 1);
2354#endif
2355 disable_interrupts( ai );
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002356
2357 free_irq(dev->irq, dev);
2358
2359 set_bit(JOB_DIE, &ai->jobs);
2360 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002361 }
2362 return 0;
2363}
2364
Linus Torvalds1da177e2005-04-16 15:20:36 -07002365void stop_airo_card( struct net_device *dev, int freeres )
2366{
2367 struct airo_info *ai = dev->priv;
2368
2369 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2370 disable_MAC(ai, 1);
2371 disable_interrupts(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002372 takedown_proc_entry( dev, ai );
2373 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2374 unregister_netdev( dev );
2375 if (ai->wifidev) {
2376 unregister_netdev(ai->wifidev);
2377 free_netdev(ai->wifidev);
2378 ai->wifidev = NULL;
2379 }
2380 clear_bit(FLAG_REGISTERED, &ai->flags);
2381 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002382 /*
2383 * Clean out tx queue
2384 */
David S. Millerb03efcf2005-07-08 14:57:23 -07002385 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002386 struct sk_buff *skb = NULL;
2387 for (;(skb = skb_dequeue(&ai->txq));)
2388 dev_kfree_skb(skb);
2389 }
2390
Dan Williams9e75af32006-03-16 13:46:29 -05002391 airo_networks_free (ai);
2392
Jesper Juhlb4558ea2005-10-28 16:53:13 -04002393 kfree(ai->flash);
2394 kfree(ai->rssi);
2395 kfree(ai->APList);
2396 kfree(ai->SSID);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002397 if (freeres) {
2398 /* PCMCIA frees this stuff, so only for PCI and ISA */
2399 release_region( dev->base_addr, 64 );
2400 if (test_bit(FLAG_MPI, &ai->flags)) {
2401 if (ai->pci)
2402 mpi_unmap_card(ai->pci);
2403 if (ai->pcimem)
2404 iounmap(ai->pcimem);
2405 if (ai->pciaux)
2406 iounmap(ai->pciaux);
2407 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2408 ai->shared, ai->shared_dma);
2409 }
2410 }
Herbert Xuf12cc202006-08-22 20:36:13 +10002411 crypto_free_cipher(ai->tfm);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002412 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002413 free_netdev( dev );
2414}
2415
2416EXPORT_SYMBOL(stop_airo_card);
2417
Stephen Hemmingerb95cce32007-09-26 22:13:38 -07002418static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002419{
Arnaldo Carvalho de Melo98e399f2007-03-19 15:33:04 -07002420 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002421 return ETH_ALEN;
2422}
2423
2424static void mpi_unmap_card(struct pci_dev *pci)
2425{
2426 unsigned long mem_start = pci_resource_start(pci, 1);
2427 unsigned long mem_len = pci_resource_len(pci, 1);
2428 unsigned long aux_start = pci_resource_start(pci, 2);
2429 unsigned long aux_len = AUXMEMSIZE;
2430
2431 release_mem_region(aux_start, aux_len);
2432 release_mem_region(mem_start, mem_len);
2433}
2434
2435/*************************************************************
2436 * This routine assumes that descriptors have been setup .
2437 * Run at insmod time or after reset when the decriptors
2438 * have been initialized . Returns 0 if all is well nz
2439 * otherwise . Does not allocate memory but sets up card
2440 * using previously allocated descriptors.
2441 */
2442static int mpi_init_descriptors (struct airo_info *ai)
2443{
2444 Cmd cmd;
2445 Resp rsp;
2446 int i;
2447 int rc = SUCCESS;
2448
2449 /* Alloc card RX descriptors */
2450 netif_stop_queue(ai->dev);
2451
2452 memset(&rsp,0,sizeof(rsp));
2453 memset(&cmd,0,sizeof(cmd));
2454
2455 cmd.cmd = CMD_ALLOCATEAUX;
2456 cmd.parm0 = FID_RX;
2457 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2458 cmd.parm2 = MPI_MAX_FIDS;
2459 rc=issuecommand(ai, &cmd, &rsp);
2460 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002461 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002462 return rc;
2463 }
2464
2465 for (i=0; i<MPI_MAX_FIDS; i++) {
2466 memcpy_toio(ai->rxfids[i].card_ram_off,
2467 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2468 }
2469
2470 /* Alloc card TX descriptors */
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_TX;
2477 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 ai->txfids[i].tx_desc.valid = 1;
2482 memcpy_toio(ai->txfids[i].card_ram_off,
2483 &ai->txfids[i].tx_desc, sizeof(TxFid));
2484 }
2485 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2486
2487 rc=issuecommand(ai, &cmd, &rsp);
2488 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002489 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002490 return rc;
2491 }
2492
2493 /* Alloc card Rid descriptor */
2494 memset(&rsp,0,sizeof(rsp));
2495 memset(&cmd,0,sizeof(cmd));
2496
2497 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm0 = RID_RW;
2499 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2500 cmd.parm2 = 1; /* Magic number... */
2501 rc=issuecommand(ai, &cmd, &rsp);
2502 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002503 airo_print_err(ai->dev->name, "Couldn't allocate RID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002504 return rc;
2505 }
2506
2507 memcpy_toio(ai->config_desc.card_ram_off,
2508 &ai->config_desc.rid_desc, sizeof(Rid));
2509
2510 return rc;
2511}
2512
2513/*
2514 * We are setting up three things here:
2515 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2516 * 2) Map PCI memory for issueing commands.
2517 * 3) Allocate memory (shared) to send and receive ethernet frames.
2518 */
Michal Schmidt1138c372007-06-29 15:33:41 +02002519static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002520{
2521 unsigned long mem_start, mem_len, aux_start, aux_len;
2522 int rc = -1;
2523 int i;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002524 dma_addr_t busaddroff;
2525 unsigned char *vpackoff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002526 unsigned char __iomem *pciaddroff;
2527
2528 mem_start = pci_resource_start(pci, 1);
2529 mem_len = pci_resource_len(pci, 1);
2530 aux_start = pci_resource_start(pci, 2);
2531 aux_len = AUXMEMSIZE;
2532
Michal Schmidt1138c372007-06-29 15:33:41 +02002533 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2534 airo_print_err("", "Couldn't get region %x[%x]",
2535 (int)mem_start, (int)mem_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002536 goto out;
2537 }
Michal Schmidt1138c372007-06-29 15:33:41 +02002538 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2539 airo_print_err("", "Couldn't get region %x[%x]",
2540 (int)aux_start, (int)aux_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002541 goto free_region1;
2542 }
2543
2544 ai->pcimem = ioremap(mem_start, mem_len);
2545 if (!ai->pcimem) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002546 airo_print_err("", "Couldn't map region %x[%x]",
2547 (int)mem_start, (int)mem_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002548 goto free_region2;
2549 }
2550 ai->pciaux = ioremap(aux_start, aux_len);
2551 if (!ai->pciaux) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002552 airo_print_err("", "Couldn't map region %x[%x]",
2553 (int)aux_start, (int)aux_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002554 goto free_memmap;
2555 }
2556
2557 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2558 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2559 if (!ai->shared) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002560 airo_print_err("", "Couldn't alloc_consistent %d",
2561 PCI_SHARED_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002562 goto free_auxmap;
2563 }
2564
2565 /*
2566 * Setup descriptor RX, TX, CONFIG
2567 */
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002568 busaddroff = ai->shared_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002569 pciaddroff = ai->pciaux + AUX_OFFSET;
2570 vpackoff = ai->shared;
2571
2572 /* RX descriptor setup */
2573 for(i = 0; i < MPI_MAX_FIDS; i++) {
2574 ai->rxfids[i].pending = 0;
2575 ai->rxfids[i].card_ram_off = pciaddroff;
2576 ai->rxfids[i].virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002577 ai->rxfids[i].rx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002578 ai->rxfids[i].rx_desc.valid = 1;
2579 ai->rxfids[i].rx_desc.len = PKTSIZE;
2580 ai->rxfids[i].rx_desc.rdy = 0;
2581
2582 pciaddroff += sizeof(RxFid);
2583 busaddroff += PKTSIZE;
2584 vpackoff += PKTSIZE;
2585 }
2586
2587 /* TX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->txfids[i].card_ram_off = pciaddroff;
2590 ai->txfids[i].virtual_host_addr = vpackoff;
2591 ai->txfids[i].tx_desc.valid = 1;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002592 ai->txfids[i].tx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002593 memcpy(ai->txfids[i].virtual_host_addr,
2594 &wifictlhdr8023, sizeof(wifictlhdr8023));
2595
2596 pciaddroff += sizeof(TxFid);
2597 busaddroff += PKTSIZE;
2598 vpackoff += PKTSIZE;
2599 }
2600 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2601
2602 /* Rid descriptor setup */
2603 ai->config_desc.card_ram_off = pciaddroff;
2604 ai->config_desc.virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002605 ai->config_desc.rid_desc.host_addr = busaddroff;
2606 ai->ridbus = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002607 ai->config_desc.rid_desc.rid = 0;
2608 ai->config_desc.rid_desc.len = RIDSIZE;
2609 ai->config_desc.rid_desc.valid = 1;
2610 pciaddroff += sizeof(Rid);
2611 busaddroff += RIDSIZE;
2612 vpackoff += RIDSIZE;
2613
2614 /* Tell card about descriptors */
2615 if (mpi_init_descriptors (ai) != SUCCESS)
2616 goto free_shared;
2617
2618 return 0;
2619 free_shared:
2620 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2621 free_auxmap:
2622 iounmap(ai->pciaux);
2623 free_memmap:
2624 iounmap(ai->pcimem);
2625 free_region2:
2626 release_mem_region(aux_start, aux_len);
2627 free_region1:
2628 release_mem_region(mem_start, mem_len);
2629 out:
2630 return rc;
2631}
2632
Stephen Hemminger3b04ddd2007-10-09 01:40:57 -07002633static const struct header_ops airo_header_ops = {
2634 .parse = wll_header_parse,
2635};
2636
Linus Torvalds1da177e2005-04-16 15:20:36 -07002637static void wifi_setup(struct net_device *dev)
2638{
Stephen Hemminger3b04ddd2007-10-09 01:40:57 -07002639 dev->header_ops = &airo_header_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002640 dev->hard_start_xmit = &airo_start_xmit11;
2641 dev->get_stats = &airo_get_stats;
2642 dev->set_mac_address = &airo_set_mac_address;
2643 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002644 dev->wireless_handlers = &airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002645 dev->change_mtu = &airo_change_mtu;
2646 dev->open = &airo_open;
2647 dev->stop = &airo_close;
2648
2649 dev->type = ARPHRD_IEEE80211;
2650 dev->hard_header_len = ETH_HLEN;
Dan Williams15db2762006-03-16 13:46:27 -05002651 dev->mtu = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002652 dev->addr_len = ETH_ALEN;
2653 dev->tx_queue_len = 100;
2654
2655 memset(dev->broadcast,0xFF, ETH_ALEN);
2656
2657 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2658}
2659
2660static struct net_device *init_wifidev(struct airo_info *ai,
2661 struct net_device *ethdev)
2662{
2663 int err;
2664 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2665 if (!dev)
2666 return NULL;
2667 dev->priv = ethdev->priv;
2668 dev->irq = ethdev->irq;
2669 dev->base_addr = ethdev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002670 dev->wireless_data = ethdev->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002671 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2672 err = register_netdev(dev);
2673 if (err<0) {
2674 free_netdev(dev);
2675 return NULL;
2676 }
2677 return dev;
2678}
2679
Jouni Malinenff1d2762005-05-12 22:54:16 -04002680static int reset_card( struct net_device *dev , int lock) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002681 struct airo_info *ai = dev->priv;
2682
2683 if (lock && down_interruptible(&ai->sem))
2684 return -1;
2685 waitbusy (ai);
2686 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2687 msleep(200);
2688 waitbusy (ai);
2689 msleep(200);
2690 if (lock)
2691 up(&ai->sem);
2692 return 0;
2693}
2694
Dan Williams3c304952006-04-15 12:26:18 -04002695#define AIRO_MAX_NETWORK_COUNT 64
Dan Williams9e75af32006-03-16 13:46:29 -05002696static int airo_networks_allocate(struct airo_info *ai)
2697{
2698 if (ai->networks)
2699 return 0;
2700
2701 ai->networks =
Dan Williams3c304952006-04-15 12:26:18 -04002702 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
Dan Williams9e75af32006-03-16 13:46:29 -05002703 GFP_KERNEL);
2704 if (!ai->networks) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002705 airo_print_warn("", "Out of memory allocating beacons");
Dan Williams9e75af32006-03-16 13:46:29 -05002706 return -ENOMEM;
2707 }
2708
2709 return 0;
2710}
2711
2712static void airo_networks_free(struct airo_info *ai)
2713{
Dan Williams9e75af32006-03-16 13:46:29 -05002714 kfree(ai->networks);
2715 ai->networks = NULL;
2716}
2717
2718static void airo_networks_initialize(struct airo_info *ai)
2719{
2720 int i;
2721
2722 INIT_LIST_HEAD(&ai->network_free_list);
2723 INIT_LIST_HEAD(&ai->network_list);
Dan Williams3c304952006-04-15 12:26:18 -04002724 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
Dan Williams9e75af32006-03-16 13:46:29 -05002725 list_add_tail(&ai->networks[i].list,
2726 &ai->network_free_list);
2727}
2728
Dan Williams3c304952006-04-15 12:26:18 -04002729static int airo_test_wpa_capable(struct airo_info *ai)
2730{
2731 int status;
2732 CapabilityRid cap_rid;
Dan Williams3c304952006-04-15 12:26:18 -04002733
2734 status = readCapabilityRid(ai, &cap_rid, 1);
2735 if (status != SUCCESS) return 0;
2736
2737 /* Only firmware versions 5.30.17 or better can do WPA */
Al Viro56d81bd2007-12-20 17:18:35 -05002738 if (le16_to_cpu(cap_rid.softVer) > 0x530
2739 || (le16_to_cpu(cap_rid.softVer) == 0x530
2740 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002741 airo_print_info("", "WPA is supported.");
Dan Williams3c304952006-04-15 12:26:18 -04002742 return 1;
2743 }
2744
2745 /* No WPA support */
Michal Schmidt1138c372007-06-29 15:33:41 +02002746 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
Dan Williams3c304952006-04-15 12:26:18 -04002747 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2748 return 0;
2749}
2750
Jouni Malinenff1d2762005-05-12 22:54:16 -04002751static struct net_device *_init_airo_card( unsigned short irq, int port,
2752 int is_pcmcia, struct pci_dev *pci,
2753 struct device *dmdev )
Linus Torvalds1da177e2005-04-16 15:20:36 -07002754{
2755 struct net_device *dev;
2756 struct airo_info *ai;
2757 int i, rc;
Joe Perches0795af52007-10-03 17:59:30 -07002758 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002759
2760 /* Create the network device object. */
Michal Schmidt1138c372007-06-29 15:33:41 +02002761 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2762 if (!dev) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002763 airo_print_err("", "Couldn't alloc_etherdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002764 return NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002765 }
2766
2767 ai = dev->priv;
2768 ai->wifidev = NULL;
Michal Schmidtfb038c22007-06-29 15:33:52 +02002769 ai->flags = 1 << FLAG_RADIO_DOWN;
Dan Williams3c304952006-04-15 12:26:18 -04002770 ai->jobs = 0;
Dan Williams934d8bf2006-03-16 13:46:23 -05002771 ai->dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002772 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002773 airo_print_dbg("", "Found an MPI350 card");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002774 set_bit(FLAG_MPI, &ai->flags);
2775 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002776 spin_lock_init(&ai->aux_lock);
2777 sema_init(&ai->sem, 1);
2778 ai->config.len = 0;
2779 ai->pci = pci;
2780 init_waitqueue_head (&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002781 ai->tfm = NULL;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002782 add_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002783
Dan Williams9e75af32006-03-16 13:46:29 -05002784 if (airo_networks_allocate (ai))
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002785 goto err_out_free;
Dan Williams9e75af32006-03-16 13:46:29 -05002786 airo_networks_initialize (ai);
2787
Linus Torvalds1da177e2005-04-16 15:20:36 -07002788 /* The Airo-specific entries in the device structure. */
2789 if (test_bit(FLAG_MPI,&ai->flags)) {
2790 skb_queue_head_init (&ai->txq);
2791 dev->hard_start_xmit = &mpi_start_xmit;
2792 } else
2793 dev->hard_start_xmit = &airo_start_xmit;
2794 dev->get_stats = &airo_get_stats;
2795 dev->set_multicast_list = &airo_set_multicast_list;
2796 dev->set_mac_address = &airo_set_mac_address;
2797 dev->do_ioctl = &airo_ioctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002798 dev->wireless_handlers = &airo_handler_def;
2799 ai->wireless_data.spy_data = &ai->spy_data;
2800 dev->wireless_data = &ai->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002801 dev->change_mtu = &airo_change_mtu;
2802 dev->open = &airo_open;
2803 dev->stop = &airo_close;
2804 dev->irq = irq;
2805 dev->base_addr = port;
2806
2807 SET_NETDEV_DEV(dev, dmdev);
2808
Matthieu CASTET1d97f382005-12-01 02:35:26 -05002809 reset_card (dev, 1);
2810 msleep(400);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002811
Linus Torvalds1da177e2005-04-16 15:20:36 -07002812 if (!is_pcmcia) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002813 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002814 rc = -EBUSY;
Dan Williams934d8bf2006-03-16 13:46:23 -05002815 airo_print_err(dev->name, "Couldn't request region");
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002816 goto err_out_nets;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002817 }
2818 }
2819
2820 if (test_bit(FLAG_MPI,&ai->flags)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002821 if (mpi_map_card(ai, pci)) {
2822 airo_print_err("", "Could not map memory");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002823 goto err_out_res;
2824 }
2825 }
2826
2827 if (probe) {
2828 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002829 airo_print_err(dev->name, "MAC could not be enabled" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002830 rc = -EIO;
2831 goto err_out_map;
2832 }
2833 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2834 ai->bap_read = fast_bap_read;
2835 set_bit(FLAG_FLASHING, &ai->flags);
2836 }
2837
Dan Williams3c304952006-04-15 12:26:18 -04002838 /* Test for WPA support */
2839 if (airo_test_wpa_capable(ai)) {
2840 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2841 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2842 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2843 ai->bssListRidLen = sizeof(BSSListRid);
2844 } else {
2845 ai->bssListFirst = RID_BSSLISTFIRST;
2846 ai->bssListNext = RID_BSSLISTNEXT;
2847 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2848 }
2849
Michal Schmidt1138c372007-06-29 15:33:41 +02002850 strcpy(dev->name, "eth%d");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002851 rc = register_netdev(dev);
2852 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002853 airo_print_err(dev->name, "Couldn't register_netdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002854 goto err_out_map;
2855 }
2856 ai->wifidev = init_wifidev(ai, dev);
Florin Malita431aca52006-10-10 16:46:30 -04002857 if (!ai->wifidev)
2858 goto err_out_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002859
2860 set_bit(FLAG_REGISTERED,&ai->flags);
Joe Perches0795af52007-10-03 17:59:30 -07002861 airo_print_info(dev->name, "MAC enabled %s",
2862 print_mac(mac, dev->dev_addr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002863
2864 /* Allocate the transmit buffers */
2865 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2866 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002867 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002868
Florin Malita431aca52006-10-10 16:46:30 -04002869 if (setup_proc_entry(dev, dev->priv) < 0)
2870 goto err_out_wifi;
2871
Linus Torvalds1da177e2005-04-16 15:20:36 -07002872 return dev;
2873
Florin Malita431aca52006-10-10 16:46:30 -04002874err_out_wifi:
2875 unregister_netdev(ai->wifidev);
2876 free_netdev(ai->wifidev);
2877err_out_reg:
2878 unregister_netdev(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002879err_out_map:
2880 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2881 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2882 iounmap(ai->pciaux);
2883 iounmap(ai->pcimem);
2884 mpi_unmap_card(ai->pci);
2885 }
2886err_out_res:
2887 if (!is_pcmcia)
2888 release_region( dev->base_addr, 64 );
Michal Schmidt4d881902007-03-16 12:42:59 +01002889err_out_nets:
2890 airo_networks_free(ai);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002891 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002892err_out_free:
2893 free_netdev(dev);
2894 return NULL;
2895}
2896
2897struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2898 struct device *dmdev)
2899{
2900 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2901}
2902
2903EXPORT_SYMBOL(init_airo_card);
2904
2905static int waitbusy (struct airo_info *ai) {
2906 int delay = 0;
2907 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2908 udelay (10);
2909 if ((++delay % 20) == 0)
2910 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2911 }
2912 return delay < 10000;
2913}
2914
2915int reset_airo_card( struct net_device *dev )
2916{
2917 int i;
2918 struct airo_info *ai = dev->priv;
Joe Perches0795af52007-10-03 17:59:30 -07002919 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002920
2921 if (reset_card (dev, 1))
2922 return -1;
2923
2924 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002925 airo_print_err(dev->name, "MAC could not be enabled");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002926 return -1;
2927 }
Joe Perches0795af52007-10-03 17:59:30 -07002928 airo_print_info(dev->name, "MAC enabled %s",
2929 print_mac(mac, dev->dev_addr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002930 /* Allocate the transmit buffers if needed */
2931 if (!test_bit(FLAG_MPI,&ai->flags))
2932 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002933 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002934
2935 enable_interrupts( ai );
2936 netif_wake_queue(dev);
2937 return 0;
2938}
2939
2940EXPORT_SYMBOL(reset_airo_card);
2941
2942static void airo_send_event(struct net_device *dev) {
2943 struct airo_info *ai = dev->priv;
2944 union iwreq_data wrqu;
2945 StatusRid status_rid;
2946
Dan Williams3c304952006-04-15 12:26:18 -04002947 clear_bit(JOB_EVENT, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002948 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2949 up(&ai->sem);
2950 wrqu.data.length = 0;
2951 wrqu.data.flags = 0;
2952 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2953 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2954
2955 /* Send event to user space */
2956 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2957}
2958
Dan Williams9e75af32006-03-16 13:46:29 -05002959static void airo_process_scan_results (struct airo_info *ai) {
2960 union iwreq_data wrqu;
Dan Williams3c304952006-04-15 12:26:18 -04002961 BSSListRid bss;
Dan Williams9e75af32006-03-16 13:46:29 -05002962 int rc;
2963 BSSListElement * loop_net;
2964 BSSListElement * tmp_net;
2965
2966 /* Blow away current list of scan results */
2967 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2968 list_move_tail (&loop_net->list, &ai->network_free_list);
2969 /* Don't blow away ->list, just BSS data */
2970 memset (loop_net, 0, sizeof (loop_net->bss));
2971 }
2972
2973 /* Try to read the first entry of the scan result */
Dan Williams3c304952006-04-15 12:26:18 -04002974 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
Al Viro17e70492007-12-19 18:56:37 -05002975 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
Dan Williams9e75af32006-03-16 13:46:29 -05002976 /* No scan results */
2977 goto out;
2978 }
2979
2980 /* Read and parse all entries */
2981 tmp_net = NULL;
Al Viro17e70492007-12-19 18:56:37 -05002982 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
Dan Williams9e75af32006-03-16 13:46:29 -05002983 /* Grab a network off the free list */
2984 if (!list_empty(&ai->network_free_list)) {
2985 tmp_net = list_entry(ai->network_free_list.next,
2986 BSSListElement, list);
2987 list_del(ai->network_free_list.next);
2988 }
2989
2990 if (tmp_net != NULL) {
Dan Williams3c304952006-04-15 12:26:18 -04002991 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
Dan Williams9e75af32006-03-16 13:46:29 -05002992 list_add_tail(&tmp_net->list, &ai->network_list);
2993 tmp_net = NULL;
2994 }
2995
2996 /* Read next entry */
Dan Williams3c304952006-04-15 12:26:18 -04002997 rc = PC4500_readrid(ai, ai->bssListNext,
2998 &bss, ai->bssListRidLen, 0);
Dan Williams9e75af32006-03-16 13:46:29 -05002999 }
3000
3001out:
3002 ai->scan_timeout = 0;
Dan Williams3c304952006-04-15 12:26:18 -04003003 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003004 up(&ai->sem);
3005
3006 /* Send an empty event to user space.
3007 * We don't send the received data on
3008 * the event because it would require
3009 * us to do complex transcoding, and
3010 * we want to minimise the work done in
3011 * the irq handler. Use a request to
3012 * extract the data - Jean II */
3013 wrqu.data.length = 0;
3014 wrqu.data.flags = 0;
3015 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3016}
3017
Linus Torvalds1da177e2005-04-16 15:20:36 -07003018static int airo_thread(void *data) {
3019 struct net_device *dev = data;
3020 struct airo_info *ai = dev->priv;
3021 int locked;
Rafael J. Wysocki83144182007-07-17 04:03:35 -07003022
3023 set_freezable();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003024 while(1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003025 /* make swsusp happy with our thread */
Christoph Lameter3e1d1d22005-06-24 23:13:50 -07003026 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003027
Dan Williams3c304952006-04-15 12:26:18 -04003028 if (test_bit(JOB_DIE, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003029 break;
3030
Dan Williams3c304952006-04-15 12:26:18 -04003031 if (ai->jobs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003032 locked = down_interruptible(&ai->sem);
3033 } else {
3034 wait_queue_t wait;
3035
3036 init_waitqueue_entry(&wait, current);
3037 add_wait_queue(&ai->thr_wait, &wait);
3038 for (;;) {
3039 set_current_state(TASK_INTERRUPTIBLE);
Dan Williams3c304952006-04-15 12:26:18 -04003040 if (ai->jobs)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003041 break;
Dan Williams9e75af32006-03-16 13:46:29 -05003042 if (ai->expires || ai->scan_timeout) {
3043 if (ai->scan_timeout &&
3044 time_after_eq(jiffies,ai->scan_timeout)){
Dan Williams3c304952006-04-15 12:26:18 -04003045 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003046 break;
3047 } else if (ai->expires &&
3048 time_after_eq(jiffies,ai->expires)){
Dan Williams3c304952006-04-15 12:26:18 -04003049 set_bit(JOB_AUTOWEP, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003050 break;
3051 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003052 if (!kthread_should_stop() &&
3053 !freezing(current)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003054 unsigned long wake_at;
3055 if (!ai->expires || !ai->scan_timeout) {
3056 wake_at = max(ai->expires,
3057 ai->scan_timeout);
3058 } else {
3059 wake_at = min(ai->expires,
3060 ai->scan_timeout);
3061 }
3062 schedule_timeout(wake_at - jiffies);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003063 continue;
3064 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003065 } else if (!kthread_should_stop() &&
3066 !freezing(current)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003067 schedule();
3068 continue;
3069 }
3070 break;
3071 }
3072 current->state = TASK_RUNNING;
3073 remove_wait_queue(&ai->thr_wait, &wait);
3074 locked = 1;
3075 }
3076
3077 if (locked)
3078 continue;
3079
Dan Williams3c304952006-04-15 12:26:18 -04003080 if (test_bit(JOB_DIE, &ai->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003081 up(&ai->sem);
3082 break;
3083 }
3084
Pavel Machekca078ba2005-09-03 15:56:57 -07003085 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003086 up(&ai->sem);
3087 continue;
3088 }
3089
Dan Williams3c304952006-04-15 12:26:18 -04003090 if (test_bit(JOB_XMIT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003091 airo_end_xmit(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003092 else if (test_bit(JOB_XMIT11, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003093 airo_end_xmit11(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003094 else if (test_bit(JOB_STATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003095 airo_read_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003096 else if (test_bit(JOB_WSTATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003097 airo_read_wireless_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003098 else if (test_bit(JOB_PROMISC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003099 airo_set_promisc(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003100 else if (test_bit(JOB_MIC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003101 micinit(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003102 else if (test_bit(JOB_EVENT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003103 airo_send_event(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003104 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003105 timer_func(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003106 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
Dan Williams9e75af32006-03-16 13:46:29 -05003107 airo_process_scan_results(ai);
3108 else /* Shouldn't get here, but we make sure to unlock */
3109 up(&ai->sem);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003110 }
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003111
3112 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003113}
3114
Al Viro0300b332007-12-19 22:38:33 -05003115static int header_len(__le16 ctl)
3116{
3117 u16 fc = le16_to_cpu(ctl);
3118 switch (fc & 0xc) {
3119 case 4:
3120 if ((fc & 0xe0) == 0xc0)
3121 return 10; /* one-address control packet */
3122 return 16; /* two-address control packet */
3123 case 8:
3124 if ((fc & 0x300) == 0x300)
3125 return 30; /* WDS packet */
3126 }
3127 return 24;
3128}
3129
Jeff Garzik28fc1f52007-10-29 05:46:16 -04003130static irqreturn_t airo_interrupt(int irq, void *dev_id)
3131{
3132 struct net_device *dev = dev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003133 u16 status;
3134 u16 fid;
3135 struct airo_info *apriv = dev->priv;
3136 u16 savedInterrupts = 0;
3137 int handled = 0;
3138
3139 if (!netif_device_present(dev))
3140 return IRQ_NONE;
3141
3142 for (;;) {
3143 status = IN4500( apriv, EVSTAT );
3144 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3145
3146 handled = 1;
3147
3148 if ( status & EV_AWAKE ) {
3149 OUT4500( apriv, EVACK, EV_AWAKE );
3150 OUT4500( apriv, EVACK, EV_AWAKE );
3151 }
3152
3153 if (!savedInterrupts) {
3154 savedInterrupts = IN4500( apriv, EVINTEN );
3155 OUT4500( apriv, EVINTEN, 0 );
3156 }
3157
3158 if ( status & EV_MIC ) {
3159 OUT4500( apriv, EVACK, EV_MIC );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003160 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
Dan Williams3c304952006-04-15 12:26:18 -04003161 set_bit(JOB_MIC, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003162 wake_up_interruptible(&apriv->thr_wait);
3163 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003164 }
3165 if ( status & EV_LINK ) {
3166 union iwreq_data wrqu;
Dan Williams6fcdf562006-03-31 15:08:46 -05003167 int scan_forceloss = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003168 /* The link status has changed, if you want to put a
3169 monitor hook in, do it here. (Remember that
3170 interrupts are still disabled!)
3171 */
3172 u16 newStatus = IN4500(apriv, LINKSTAT);
3173 OUT4500( apriv, EVACK, EV_LINK);
3174 /* Here is what newStatus means: */
3175#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3176#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3177#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3178#define FORCELOSS 0x8003 /* Loss of sync - host request */
3179#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3180#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3181#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3182#define ASSFAIL 0x8400 /* Association failure (low byte is reason
3183 code) */
3184#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3185 code) */
Dan Williams6fcdf562006-03-31 15:08:46 -05003186#define ASSOCIATED 0x0400 /* Associated */
3187#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003188#define RC_RESERVED 0 /* Reserved return code */
3189#define RC_NOREASON 1 /* Unspecified reason */
3190#define RC_AUTHINV 2 /* Previous authentication invalid */
3191#define RC_DEAUTH 3 /* Deauthenticated because sending station is
3192 leaving */
3193#define RC_NOACT 4 /* Disassociated due to inactivity */
3194#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3195 all currently associated stations */
3196#define RC_BADCLASS2 6 /* Class 2 frame received from
3197 non-Authenticated station */
3198#define RC_BADCLASS3 7 /* Class 3 frame received from
3199 non-Associated station */
3200#define RC_STATLEAVE 8 /* Disassociated because sending station is
3201 leaving BSS */
3202#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3203 Authenticated with the responding station */
Dan Williams6fcdf562006-03-31 15:08:46 -05003204 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3205 scan_forceloss = 1;
3206 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003207 if (auto_wep)
3208 apriv->expires = 0;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003209 if (apriv->list_bss_task)
3210 wake_up_process(apriv->list_bss_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003211 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3212 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
Dan Williams6fcdf562006-03-31 15:08:46 -05003213
Linus Torvalds1da177e2005-04-16 15:20:36 -07003214 if (down_trylock(&apriv->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04003215 set_bit(JOB_EVENT, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003216 wake_up_interruptible(&apriv->thr_wait);
3217 } else
3218 airo_send_event(dev);
Dan Williams6fcdf562006-03-31 15:08:46 -05003219 } else if (!scan_forceloss) {
3220 if (auto_wep && !apriv->expires) {
3221 apriv->expires = RUN_AT(3*HZ);
3222 wake_up_interruptible(&apriv->thr_wait);
3223 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003224
3225 /* Send event to user space */
Dan Williams6fcdf562006-03-31 15:08:46 -05003226 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3227 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003228 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3229 }
3230 }
3231
3232 /* Check to see if there is something to receive */
3233 if ( status & EV_RX ) {
3234 struct sk_buff *skb = NULL;
Al Virob8c06bc2007-12-19 17:55:43 -05003235 __le16 fc, v;
3236 u16 len, hdrlen = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003237#pragma pack(1)
3238 struct {
Al Viro593c2b92007-12-17 15:09:34 -05003239 __le16 status, len;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003240 u8 rssi[2];
3241 u8 rate;
3242 u8 freq;
Al Viro593c2b92007-12-17 15:09:34 -05003243 __le16 tmp[4];
Linus Torvalds1da177e2005-04-16 15:20:36 -07003244 } hdr;
3245#pragma pack()
3246 u16 gap;
Al Virob8c06bc2007-12-19 17:55:43 -05003247 __le16 tmpbuf[4];
3248 __le16 *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003249
3250 if (test_bit(FLAG_MPI,&apriv->flags)) {
3251 if (test_bit(FLAG_802_11, &apriv->flags))
3252 mpi_receive_802_11(apriv);
3253 else
3254 mpi_receive_802_3(apriv);
3255 OUT4500(apriv, EVACK, EV_RX);
3256 goto exitrx;
3257 }
3258
3259 fid = IN4500( apriv, RXFID );
3260
3261 /* Get the packet length */
3262 if (test_bit(FLAG_802_11, &apriv->flags)) {
3263 bap_setup (apriv, fid, 4, BAP0);
Al Virob8c06bc2007-12-19 17:55:43 -05003264 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003265 /* Bad CRC. Ignore packet */
3266 if (le16_to_cpu(hdr.status) & 2)
3267 hdr.len = 0;
3268 if (apriv->wifidev == NULL)
3269 hdr.len = 0;
3270 } else {
3271 bap_setup (apriv, fid, 0x36, BAP0);
Al Virob8c06bc2007-12-19 17:55:43 -05003272 bap_read (apriv, &hdr.len, 2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003273 }
3274 len = le16_to_cpu(hdr.len);
3275
Dan Williams15db2762006-03-16 13:46:27 -05003276 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003277 airo_print_err(apriv->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003278 goto badrx;
3279 }
3280 if (len == 0)
3281 goto badrx;
3282
3283 if (test_bit(FLAG_802_11, &apriv->flags)) {
Al Viro0300b332007-12-19 22:38:33 -05003284 bap_read (apriv, &fc, sizeof(fc), BAP0);
3285 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003286 } else
3287 hdrlen = ETH_ALEN * 2;
3288
3289 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3290 if ( !skb ) {
3291 apriv->stats.rx_dropped++;
3292 goto badrx;
3293 }
3294 skb_reserve(skb, 2); /* This way the IP header is aligned */
Al Virob8c06bc2007-12-19 17:55:43 -05003295 buffer = (__le16*)skb_put (skb, len + hdrlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003296 if (test_bit(FLAG_802_11, &apriv->flags)) {
3297 buffer[0] = fc;
3298 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3299 if (hdrlen == 24)
3300 bap_read (apriv, tmpbuf, 6, BAP0);
3301
Al Virob8c06bc2007-12-19 17:55:43 -05003302 bap_read (apriv, &v, sizeof(v), BAP0);
3303 gap = le16_to_cpu(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003304 if (gap) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003305 if (gap <= 8) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003306 bap_read (apriv, tmpbuf, gap, BAP0);
Dan Williams934d8bf2006-03-16 13:46:23 -05003307 } else {
3308 airo_print_err(apriv->dev->name, "gaplen too "
3309 "big. Problems will follow...");
3310 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003311 }
3312 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3313 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003314 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003315 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003316 if (apriv->micstats.enabled) {
Al Virob8c06bc2007-12-19 17:55:43 -05003317 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003318 if (ntohs(micbuf.typelen) > 0x05DC)
3319 bap_setup (apriv, fid, 0x44, BAP0);
3320 else {
3321 if (len <= sizeof(micbuf))
3322 goto badmic;
3323
3324 len -= sizeof(micbuf);
3325 skb_trim (skb, len + hdrlen);
3326 }
3327 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003328 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003329 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3330badmic:
3331 dev_kfree_skb_irq (skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003332badrx:
3333 OUT4500( apriv, EVACK, EV_RX);
3334 goto exitrx;
3335 }
3336 }
3337#ifdef WIRELESS_SPY
3338 if (apriv->spy_data.spy_number > 0) {
3339 char *sa;
3340 struct iw_quality wstats;
3341 /* Prepare spy data : addr + qual */
3342 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3343 sa = (char*)buffer + 6;
3344 bap_setup (apriv, fid, 8, BAP0);
Al Virob8c06bc2007-12-19 17:55:43 -05003345 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003346 } else
3347 sa = (char*)buffer + 10;
3348 wstats.qual = hdr.rssi[0];
3349 if (apriv->rssi)
3350 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3351 else
3352 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003353 wstats.noise = apriv->wstats.qual.noise;
3354 wstats.updated = IW_QUAL_LEVEL_UPDATED
3355 | IW_QUAL_QUAL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003356 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003357 /* Update spy records */
3358 wireless_spy_update(dev, sa, &wstats);
3359 }
3360#endif /* WIRELESS_SPY */
3361 OUT4500( apriv, EVACK, EV_RX);
3362
3363 if (test_bit(FLAG_802_11, &apriv->flags)) {
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003364 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003365 skb->pkt_type = PACKET_OTHERHOST;
3366 skb->dev = apriv->wifidev;
3367 skb->protocol = htons(ETH_P_802_2);
Arnaldo Carvalho de Melo4c13eb62007-04-25 17:40:23 -07003368 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07003369 skb->protocol = eth_type_trans(skb,dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003370 skb->dev->last_rx = jiffies;
3371 skb->ip_summed = CHECKSUM_NONE;
3372
3373 netif_rx( skb );
3374 }
3375exitrx:
3376
3377 /* Check to see if a packet has been transmitted */
3378 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3379 int i;
3380 int len = 0;
3381 int index = -1;
3382
3383 if (test_bit(FLAG_MPI,&apriv->flags)) {
3384 unsigned long flags;
3385
3386 if (status & EV_TXEXC)
3387 get_tx_error(apriv, -1);
3388 spin_lock_irqsave(&apriv->aux_lock, flags);
David S. Millerb03efcf2005-07-08 14:57:23 -07003389 if (!skb_queue_empty(&apriv->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003390 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3391 mpi_send_packet (dev);
3392 } else {
3393 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3394 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3395 netif_wake_queue (dev);
3396 }
3397 OUT4500( apriv, EVACK,
3398 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3399 goto exittx;
3400 }
3401
3402 fid = IN4500(apriv, TXCOMPLFID);
3403
3404 for( i = 0; i < MAX_FIDS; i++ ) {
3405 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3406 len = apriv->fids[i] >> 16;
3407 index = i;
3408 }
3409 }
3410 if (index != -1) {
3411 if (status & EV_TXEXC)
3412 get_tx_error(apriv, index);
3413 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3414 /* Set up to be used again */
3415 apriv->fids[index] &= 0xffff;
3416 if (index < MAX_FIDS / 2) {
3417 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3418 netif_wake_queue(dev);
3419 } else {
3420 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3421 netif_wake_queue(apriv->wifidev);
3422 }
3423 } else {
3424 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
Dan Williams934d8bf2006-03-16 13:46:23 -05003425 airo_print_err(apriv->dev->name, "Unallocated FID was "
3426 "used to xmit" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07003427 }
3428 }
3429exittx:
3430 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
Dan Williams934d8bf2006-03-16 13:46:23 -05003431 airo_print_warn(apriv->dev->name, "Got weird status %x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003432 status & ~STATUS_INTS & ~IGNORE_INTS );
3433 }
3434
3435 if (savedInterrupts)
3436 OUT4500( apriv, EVINTEN, savedInterrupts );
3437
3438 /* done.. */
3439 return IRQ_RETVAL(handled);
3440}
3441
3442/*
3443 * Routines to talk to the card
3444 */
3445
3446/*
3447 * This was originally written for the 4500, hence the name
3448 * NOTE: If use with 8bit mode and SMP bad things will happen!
3449 * Why would some one do 8 bit IO in an SMP machine?!?
3450 */
3451static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3452 if (test_bit(FLAG_MPI,&ai->flags))
3453 reg <<= 1;
3454 if ( !do8bitIO )
3455 outw( val, ai->dev->base_addr + reg );
3456 else {
3457 outb( val & 0xff, ai->dev->base_addr + reg );
3458 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3459 }
3460}
3461
3462static u16 IN4500( struct airo_info *ai, u16 reg ) {
3463 unsigned short rc;
3464
3465 if (test_bit(FLAG_MPI,&ai->flags))
3466 reg <<= 1;
3467 if ( !do8bitIO )
3468 rc = inw( ai->dev->base_addr + reg );
3469 else {
3470 rc = inb( ai->dev->base_addr + reg );
3471 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3472 }
3473 return rc;
3474}
3475
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003476static int enable_MAC(struct airo_info *ai, int lock)
3477{
Linus Torvalds1da177e2005-04-16 15:20:36 -07003478 int rc;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003479 Cmd cmd;
3480 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003481
3482 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3483 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3484 * Note : we could try to use !netif_running(dev) in enable_MAC()
3485 * instead of this flag, but I don't trust it *within* the
3486 * open/close functions, and testing both flags together is
3487 * "cheaper" - Jean II */
3488 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3489
3490 if (lock && down_interruptible(&ai->sem))
3491 return -ERESTARTSYS;
3492
3493 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3494 memset(&cmd, 0, sizeof(cmd));
3495 cmd.cmd = MAC_ENABLE;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003496 rc = issuecommand(ai, &cmd, &rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003497 if (rc == SUCCESS)
3498 set_bit(FLAG_ENABLED, &ai->flags);
3499 } else
3500 rc = SUCCESS;
3501
3502 if (lock)
3503 up(&ai->sem);
3504
3505 if (rc)
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003506 airo_print_err(ai->dev->name, "Cannot enable MAC");
3507 else if ((rsp.status & 0xFF00) != 0) {
3508 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3509 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3510 rc = ERROR;
3511 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003512 return rc;
3513}
3514
3515static void disable_MAC( struct airo_info *ai, int lock ) {
3516 Cmd cmd;
3517 Resp rsp;
3518
3519 if (lock && down_interruptible(&ai->sem))
3520 return;
3521
3522 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3523 memset(&cmd, 0, sizeof(cmd));
3524 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3525 issuecommand(ai, &cmd, &rsp);
3526 clear_bit(FLAG_ENABLED, &ai->flags);
3527 }
3528 if (lock)
3529 up(&ai->sem);
3530}
3531
3532static void enable_interrupts( struct airo_info *ai ) {
3533 /* Enable the interrupts */
3534 OUT4500( ai, EVINTEN, STATUS_INTS );
3535}
3536
3537static void disable_interrupts( struct airo_info *ai ) {
3538 OUT4500( ai, EVINTEN, 0 );
3539}
3540
3541static void mpi_receive_802_3(struct airo_info *ai)
3542{
3543 RxFid rxd;
3544 int len = 0;
3545 struct sk_buff *skb;
3546 char *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003547 int off = 0;
3548 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003549
3550 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3551 /* Make sure we got something */
3552 if (rxd.rdy && rxd.valid == 0) {
3553 len = rxd.len + 12;
3554 if (len < 12 || len > 2048)
3555 goto badrx;
3556
3557 skb = dev_alloc_skb(len);
3558 if (!skb) {
3559 ai->stats.rx_dropped++;
3560 goto badrx;
3561 }
3562 buffer = skb_put(skb,len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003563 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3564 if (ai->micstats.enabled) {
3565 memcpy(&micbuf,
3566 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3567 sizeof(micbuf));
3568 if (ntohs(micbuf.typelen) <= 0x05DC) {
3569 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3570 goto badmic;
3571
3572 off = sizeof(micbuf);
3573 skb_trim (skb, len - off);
3574 }
3575 }
3576 memcpy(buffer + ETH_ALEN * 2,
3577 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3578 len - ETH_ALEN * 2 - off);
3579 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3580badmic:
3581 dev_kfree_skb_irq (skb);
3582 goto badrx;
3583 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003584#ifdef WIRELESS_SPY
3585 if (ai->spy_data.spy_number > 0) {
3586 char *sa;
3587 struct iw_quality wstats;
3588 /* Prepare spy data : addr + qual */
3589 sa = buffer + ETH_ALEN;
3590 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3591 wstats.level = 0;
3592 wstats.updated = 0;
3593 /* Update spy records */
3594 wireless_spy_update(ai->dev, sa, &wstats);
3595 }
3596#endif /* WIRELESS_SPY */
3597
Linus Torvalds1da177e2005-04-16 15:20:36 -07003598 skb->ip_summed = CHECKSUM_NONE;
3599 skb->protocol = eth_type_trans(skb, ai->dev);
3600 skb->dev->last_rx = jiffies;
3601 netif_rx(skb);
3602 }
3603badrx:
3604 if (rxd.valid == 0) {
3605 rxd.valid = 1;
3606 rxd.rdy = 0;
3607 rxd.len = PKTSIZE;
3608 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3609 }
3610}
3611
3612void mpi_receive_802_11 (struct airo_info *ai)
3613{
3614 RxFid rxd;
3615 struct sk_buff *skb = NULL;
Al Viro0300b332007-12-19 22:38:33 -05003616 u16 len, hdrlen = 0;
3617 __le16 fc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003618#pragma pack(1)
3619 struct {
Al Viro593c2b92007-12-17 15:09:34 -05003620 __le16 status, len;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003621 u8 rssi[2];
3622 u8 rate;
3623 u8 freq;
Al Viro593c2b92007-12-17 15:09:34 -05003624 __le16 tmp[4];
Linus Torvalds1da177e2005-04-16 15:20:36 -07003625 } hdr;
3626#pragma pack()
3627 u16 gap;
3628 u16 *buffer;
3629 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3630
3631 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3632 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3633 ptr += sizeof(hdr);
3634 /* Bad CRC. Ignore packet */
3635 if (le16_to_cpu(hdr.status) & 2)
3636 hdr.len = 0;
3637 if (ai->wifidev == NULL)
3638 hdr.len = 0;
3639 len = le16_to_cpu(hdr.len);
Dan Williams15db2762006-03-16 13:46:27 -05003640 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003641 airo_print_err(ai->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003642 goto badrx;
3643 }
3644 if (len == 0)
3645 goto badrx;
3646
Al Viro0300b332007-12-19 22:38:33 -05003647 fc = get_unaligned((__le16 *)ptr);
3648 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003649
3650 skb = dev_alloc_skb( len + hdrlen + 2 );
3651 if ( !skb ) {
3652 ai->stats.rx_dropped++;
3653 goto badrx;
3654 }
3655 buffer = (u16*)skb_put (skb, len + hdrlen);
3656 memcpy ((char *)buffer, ptr, hdrlen);
3657 ptr += hdrlen;
3658 if (hdrlen == 24)
3659 ptr += 6;
Al Viro593c2b92007-12-17 15:09:34 -05003660 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3661 ptr += sizeof(__le16);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003662 if (gap) {
3663 if (gap <= 8)
3664 ptr += gap;
3665 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003666 airo_print_err(ai->dev->name,
3667 "gaplen too big. Problems will follow...");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003668 }
3669 memcpy ((char *)buffer + hdrlen, ptr, len);
3670 ptr += len;
3671#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3672 if (ai->spy_data.spy_number > 0) {
3673 char *sa;
3674 struct iw_quality wstats;
3675 /* Prepare spy data : addr + qual */
3676 sa = (char*)buffer + 10;
3677 wstats.qual = hdr.rssi[0];
3678 if (ai->rssi)
3679 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3680 else
3681 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003682 wstats.noise = ai->wstats.qual.noise;
3683 wstats.updated = IW_QUAL_QUAL_UPDATED
3684 | IW_QUAL_LEVEL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003685 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003686 /* Update spy records */
3687 wireless_spy_update(ai->dev, sa, &wstats);
3688 }
3689#endif /* IW_WIRELESS_SPY */
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003690 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003691 skb->pkt_type = PACKET_OTHERHOST;
3692 skb->dev = ai->wifidev;
3693 skb->protocol = htons(ETH_P_802_2);
3694 skb->dev->last_rx = jiffies;
3695 skb->ip_summed = CHECKSUM_NONE;
3696 netif_rx( skb );
3697badrx:
3698 if (rxd.valid == 0) {
3699 rxd.valid = 1;
3700 rxd.rdy = 0;
3701 rxd.len = PKTSIZE;
3702 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3703 }
3704}
3705
3706static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3707{
3708 Cmd cmd;
3709 Resp rsp;
3710 int status;
3711 int i;
3712 SsidRid mySsid;
Al Viro4293ea32007-12-19 19:21:51 -05003713 __le16 lastindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003714 WepKeyRid wkr;
3715 int rc;
3716
3717 memset( &mySsid, 0, sizeof( mySsid ) );
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003718 kfree (ai->flash);
3719 ai->flash = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003720
3721 /* The NOP is the first step in getting the card going */
3722 cmd.cmd = NOP;
3723 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3724 if (lock && down_interruptible(&ai->sem))
3725 return ERROR;
3726 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3727 if (lock)
3728 up(&ai->sem);
3729 return ERROR;
3730 }
3731 disable_MAC( ai, 0);
3732
3733 // Let's figure out if we need to use the AUX port
3734 if (!test_bit(FLAG_MPI,&ai->flags)) {
3735 cmd.cmd = CMD_ENABLEAUX;
3736 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3737 if (lock)
3738 up(&ai->sem);
Dan Williams934d8bf2006-03-16 13:46:23 -05003739 airo_print_err(ai->dev->name, "Error checking for AUX port");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003740 return ERROR;
3741 }
3742 if (!aux_bap || rsp.status & 0xff00) {
3743 ai->bap_read = fast_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003744 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003745 } else {
3746 ai->bap_read = aux_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003747 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003748 }
3749 }
3750 if (lock)
3751 up(&ai->sem);
3752 if (ai->config.len == 0) {
3753 tdsRssiRid rssi_rid;
3754 CapabilityRid cap_rid;
3755
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003756 kfree(ai->APList);
3757 ai->APList = NULL;
3758 kfree(ai->SSID);
3759 ai->SSID = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003760 // general configuration (read/modify/write)
3761 status = readConfigRid(ai, lock);
3762 if ( status != SUCCESS ) return ERROR;
3763
3764 status = readCapabilityRid(ai, &cap_rid, lock);
3765 if ( status != SUCCESS ) return ERROR;
3766
3767 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3768 if ( status == SUCCESS ) {
3769 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
Dan Williams41480af2005-05-10 09:45:51 -04003770 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003771 }
3772 else {
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003773 kfree(ai->rssi);
3774 ai->rssi = NULL;
Al Viro56d81bd2007-12-20 17:18:35 -05003775 if (cap_rid.softCap & cpu_to_le16(8))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003776 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3777 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003778 airo_print_warn(ai->dev->name, "unknown received signal "
3779 "level scale");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003780 }
3781 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3782 ai->config.authType = AUTH_OPEN;
3783 ai->config.modulation = MOD_CCK;
3784
Al Viro56d81bd2007-12-20 17:18:35 -05003785 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
Al Viro15617852007-12-20 17:21:36 -05003786 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
Al Viro56d81bd2007-12-20 17:18:35 -05003787 micsetup(ai) == SUCCESS) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003788 ai->config.opmode |= MODE_MIC;
3789 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3790 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003791
3792 /* Save off the MAC */
3793 for( i = 0; i < ETH_ALEN; i++ ) {
3794 mac[i] = ai->config.macAddr[i];
3795 }
3796
3797 /* Check to see if there are any insmod configured
3798 rates to add */
3799 if ( rates[0] ) {
3800 int i = 0;
3801 memset(ai->config.rates,0,sizeof(ai->config.rates));
3802 for( i = 0; i < 8 && rates[i]; i++ ) {
3803 ai->config.rates[i] = rates[i];
3804 }
3805 }
3806 if ( basic_rate > 0 ) {
3807 int i;
3808 for( i = 0; i < 8; i++ ) {
3809 if ( ai->config.rates[i] == basic_rate ||
3810 !ai->config.rates ) {
3811 ai->config.rates[i] = basic_rate | 0x80;
3812 break;
3813 }
3814 }
3815 }
3816 set_bit (FLAG_COMMIT, &ai->flags);
3817 }
3818
3819 /* Setup the SSIDs if present */
3820 if ( ssids[0] ) {
3821 int i;
3822 for( i = 0; i < 3 && ssids[i]; i++ ) {
Al Viro0dd22122007-12-17 16:11:57 -05003823 size_t len = strlen(ssids[i]);
3824 if (len > 32)
3825 len = 32;
3826 mySsid.ssids[i].len = cpu_to_le16(len);
3827 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003828 }
Al Viro0dd22122007-12-17 16:11:57 -05003829 mySsid.len = cpu_to_le16(sizeof(mySsid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07003830 }
3831
3832 status = writeConfigRid(ai, lock);
3833 if ( status != SUCCESS ) return ERROR;
3834
3835 /* Set up the SSID list */
3836 if ( ssids[0] ) {
3837 status = writeSsidRid(ai, &mySsid, lock);
3838 if ( status != SUCCESS ) return ERROR;
3839 }
3840
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003841 status = enable_MAC(ai, lock);
3842 if (status != SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003843 return ERROR;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003844
3845 /* Grab the initial wep key, we gotta save it for auto_wep */
3846 rc = readWepKeyRid(ai, &wkr, 1, lock);
3847 if (rc == SUCCESS) do {
3848 lastindex = wkr.kindex;
Al Viro4293ea32007-12-19 19:21:51 -05003849 if (wkr.kindex == cpu_to_le16(0xffff)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003850 ai->defindex = wkr.mac[0];
3851 }
3852 rc = readWepKeyRid(ai, &wkr, 0, lock);
3853 } while(lastindex != wkr.kindex);
3854
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02003855 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003856
3857 return SUCCESS;
3858}
3859
3860static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3861 // Im really paranoid about letting it run forever!
3862 int max_tries = 600000;
3863
3864 if (IN4500(ai, EVSTAT) & EV_CMD)
3865 OUT4500(ai, EVACK, EV_CMD);
3866
3867 OUT4500(ai, PARAM0, pCmd->parm0);
3868 OUT4500(ai, PARAM1, pCmd->parm1);
3869 OUT4500(ai, PARAM2, pCmd->parm2);
3870 OUT4500(ai, COMMAND, pCmd->cmd);
3871
3872 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3873 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3874 // PC4500 didn't notice command, try again
3875 OUT4500(ai, COMMAND, pCmd->cmd);
3876 if (!in_atomic() && (max_tries & 255) == 0)
3877 schedule();
3878 }
3879
3880 if ( max_tries == -1 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003881 airo_print_err(ai->dev->name,
3882 "Max tries exceeded when issueing command");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003883 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3884 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3885 return ERROR;
3886 }
3887
3888 // command completed
3889 pRsp->status = IN4500(ai, STATUS);
3890 pRsp->rsp0 = IN4500(ai, RESP0);
3891 pRsp->rsp1 = IN4500(ai, RESP1);
3892 pRsp->rsp2 = IN4500(ai, RESP2);
Robert Schulze13dca9b2006-07-10 18:37:44 +02003893 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3894 airo_print_err(ai->dev->name,
3895 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3896 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3897 pRsp->rsp2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003898
3899 // clear stuck command busy if necessary
3900 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3901 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3902 }
3903 // acknowledge processing the status/response
3904 OUT4500(ai, EVACK, EV_CMD);
3905
3906 return SUCCESS;
3907}
3908
3909/* Sets up the bap to start exchange data. whichbap should
3910 * be one of the BAP0 or BAP1 defines. Locks should be held before
3911 * calling! */
3912static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3913{
3914 int timeout = 50;
3915 int max_tries = 3;
3916
3917 OUT4500(ai, SELECT0+whichbap, rid);
3918 OUT4500(ai, OFFSET0+whichbap, offset);
3919 while (1) {
3920 int status = IN4500(ai, OFFSET0+whichbap);
3921 if (status & BAP_BUSY) {
3922 /* This isn't really a timeout, but its kinda
3923 close */
3924 if (timeout--) {
3925 continue;
3926 }
3927 } else if ( status & BAP_ERR ) {
3928 /* invalid rid or offset */
Dan Williams934d8bf2006-03-16 13:46:23 -05003929 airo_print_err(ai->dev->name, "BAP error %x %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003930 status, whichbap );
3931 return ERROR;
3932 } else if (status & BAP_DONE) { // success
3933 return SUCCESS;
3934 }
3935 if ( !(max_tries--) ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003936 airo_print_err(ai->dev->name,
Michal Schmidt1138c372007-06-29 15:33:41 +02003937 "BAP setup error too many retries\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003938 return ERROR;
3939 }
3940 // -- PC4500 missed it, try again
3941 OUT4500(ai, SELECT0+whichbap, rid);
3942 OUT4500(ai, OFFSET0+whichbap, offset);
3943 timeout = 50;
3944 }
3945}
3946
3947/* should only be called by aux_bap_read. This aux function and the
3948 following use concepts not documented in the developers guide. I
3949 got them from a patch given to my by Aironet */
3950static u16 aux_setup(struct airo_info *ai, u16 page,
3951 u16 offset, u16 *len)
3952{
3953 u16 next;
3954
3955 OUT4500(ai, AUXPAGE, page);
3956 OUT4500(ai, AUXOFF, 0);
3957 next = IN4500(ai, AUXDATA);
3958 *len = IN4500(ai, AUXDATA)&0xff;
3959 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3960 return next;
3961}
3962
3963/* requires call to bap_setup() first */
Al Virob8c06bc2007-12-19 17:55:43 -05003964static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
Linus Torvalds1da177e2005-04-16 15:20:36 -07003965 int bytelen, int whichbap)
3966{
3967 u16 len;
3968 u16 page;
3969 u16 offset;
3970 u16 next;
3971 int words;
3972 int i;
3973 unsigned long flags;
3974
3975 spin_lock_irqsave(&ai->aux_lock, flags);
3976 page = IN4500(ai, SWS0+whichbap);
3977 offset = IN4500(ai, SWS2+whichbap);
3978 next = aux_setup(ai, page, offset, &len);
3979 words = (bytelen+1)>>1;
3980
3981 for (i=0; i<words;) {
3982 int count;
3983 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3984 if ( !do8bitIO )
3985 insw( ai->dev->base_addr+DATA0+whichbap,
3986 pu16Dst+i,count );
3987 else
3988 insb( ai->dev->base_addr+DATA0+whichbap,
3989 pu16Dst+i, count << 1 );
3990 i += count;
3991 if (i<words) {
3992 next = aux_setup(ai, next, 4, &len);
3993 }
3994 }
3995 spin_unlock_irqrestore(&ai->aux_lock, flags);
3996 return SUCCESS;
3997}
3998
3999
4000/* requires call to bap_setup() first */
Al Virob8c06bc2007-12-19 17:55:43 -05004001static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004002 int bytelen, int whichbap)
4003{
4004 bytelen = (bytelen + 1) & (~1); // round up to even value
4005 if ( !do8bitIO )
4006 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4007 else
4008 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4009 return SUCCESS;
4010}
4011
4012/* requires call to bap_setup() first */
Al Virob8c06bc2007-12-19 17:55:43 -05004013static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004014 int bytelen, int whichbap)
4015{
4016 bytelen = (bytelen + 1) & (~1); // round up to even value
4017 if ( !do8bitIO )
4018 outsw( ai->dev->base_addr+DATA0+whichbap,
4019 pu16Src, bytelen>>1 );
4020 else
4021 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4022 return SUCCESS;
4023}
4024
4025static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4026{
4027 Cmd cmd; /* for issuing commands */
4028 Resp rsp; /* response from commands */
4029 u16 status;
4030
4031 memset(&cmd, 0, sizeof(cmd));
4032 cmd.cmd = accmd;
4033 cmd.parm0 = rid;
4034 status = issuecommand(ai, &cmd, &rsp);
4035 if (status != 0) return status;
4036 if ( (rsp.status & 0x7F00) != 0) {
4037 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4038 }
4039 return 0;
4040}
4041
4042/* Note, that we are using BAP1 which is also used by transmit, so
4043 * we must get a lock. */
4044static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4045{
4046 u16 status;
4047 int rc = SUCCESS;
4048
4049 if (lock) {
4050 if (down_interruptible(&ai->sem))
4051 return ERROR;
4052 }
4053 if (test_bit(FLAG_MPI,&ai->flags)) {
4054 Cmd cmd;
4055 Resp rsp;
4056
4057 memset(&cmd, 0, sizeof(cmd));
4058 memset(&rsp, 0, sizeof(rsp));
4059 ai->config_desc.rid_desc.valid = 1;
4060 ai->config_desc.rid_desc.len = RIDSIZE;
4061 ai->config_desc.rid_desc.rid = 0;
4062 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4063
4064 cmd.cmd = CMD_ACCESS;
4065 cmd.parm0 = rid;
4066
4067 memcpy_toio(ai->config_desc.card_ram_off,
4068 &ai->config_desc.rid_desc, sizeof(Rid));
4069
4070 rc = issuecommand(ai, &cmd, &rsp);
4071
4072 if (rsp.status & 0x7f00)
4073 rc = rsp.rsp0;
4074 if (!rc)
4075 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4076 goto done;
4077 } else {
4078 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4079 rc = status;
4080 goto done;
4081 }
4082 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4083 rc = ERROR;
4084 goto done;
4085 }
4086 // read the rid length field
4087 bap_read(ai, pBuf, 2, BAP1);
4088 // length for remaining part of rid
Al Viro593c2b92007-12-17 15:09:34 -05004089 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004090
4091 if ( len <= 2 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004092 airo_print_err(ai->dev->name,
4093 "Rid %x has a length of %d which is too short",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004094 (int)rid, (int)len );
4095 rc = ERROR;
4096 goto done;
4097 }
4098 // read remainder of the rid
Al Virob8c06bc2007-12-19 17:55:43 -05004099 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004100 }
4101done:
4102 if (lock)
4103 up(&ai->sem);
4104 return rc;
4105}
4106
4107/* Note, that we are using BAP1 which is also used by transmit, so
4108 * make sure this isnt called when a transmit is happening */
4109static int PC4500_writerid(struct airo_info *ai, u16 rid,
4110 const void *pBuf, int len, int lock)
4111{
4112 u16 status;
4113 int rc = SUCCESS;
4114
Al Viro593c2b92007-12-17 15:09:34 -05004115 *(__le16*)pBuf = cpu_to_le16((u16)len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
Dan Streetmanf89b2322005-11-11 11:41:42 -05004125 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
Dan Williams934d8bf2006-03-16 13:46:23 -05004126 airo_print_err(ai->dev->name,
4127 "%s: MAC should be disabled (rid=%04x)",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004128 __FUNCTION__, rid);
4129 memset(&cmd, 0, sizeof(cmd));
4130 memset(&rsp, 0, sizeof(rsp));
4131
4132 ai->config_desc.rid_desc.valid = 1;
4133 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4134 ai->config_desc.rid_desc.rid = 0;
4135
4136 cmd.cmd = CMD_WRITERID;
4137 cmd.parm0 = rid;
4138
4139 memcpy_toio(ai->config_desc.card_ram_off,
4140 &ai->config_desc.rid_desc, sizeof(Rid));
4141
4142 if (len < 4 || len > 2047) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004143 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004144 rc = -1;
4145 } else {
4146 memcpy((char *)ai->config_desc.virtual_host_addr,
4147 pBuf, len);
4148
4149 rc = issuecommand(ai, &cmd, &rsp);
4150 if ((rc & 0xff00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004151 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4152 __FUNCTION__, rc);
4153 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4154 __FUNCTION__, cmd.cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004155 }
4156
4157 if ((rsp.status & 0x7f00))
4158 rc = rsp.rsp0;
4159 }
4160 } else {
4161 // --- first access so that we can write the rid data
4162 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4163 rc = status;
4164 goto done;
4165 }
4166 // --- now write the rid data
4167 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4168 rc = ERROR;
4169 goto done;
4170 }
4171 bap_write(ai, pBuf, len, BAP1);
4172 // ---now commit the rid data
4173 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4174 }
4175done:
4176 if (lock)
4177 up(&ai->sem);
4178 return rc;
4179}
4180
4181/* Allocates a FID to be used for transmitting packets. We only use
4182 one for now. */
4183static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4184{
4185 unsigned int loop = 3000;
4186 Cmd cmd;
4187 Resp rsp;
4188 u16 txFid;
Al Viro593c2b92007-12-17 15:09:34 -05004189 __le16 txControl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004190
4191 cmd.cmd = CMD_ALLOCATETX;
4192 cmd.parm0 = lenPayload;
4193 if (down_interruptible(&ai->sem))
4194 return ERROR;
4195 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4196 txFid = ERROR;
4197 goto done;
4198 }
4199 if ( (rsp.status & 0xFF00) != 0) {
4200 txFid = ERROR;
4201 goto done;
4202 }
4203 /* wait for the allocate event/indication
4204 * It makes me kind of nervous that this can just sit here and spin,
4205 * but in practice it only loops like four times. */
4206 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4207 if (!loop) {
4208 txFid = ERROR;
4209 goto done;
4210 }
4211
4212 // get the allocated fid and acknowledge
4213 txFid = IN4500(ai, TXALLOCFID);
4214 OUT4500(ai, EVACK, EV_ALLOC);
4215
4216 /* The CARD is pretty cool since it converts the ethernet packet
4217 * into 802.11. Also note that we don't release the FID since we
4218 * will be using the same one over and over again. */
4219 /* We only have to setup the control once since we are not
4220 * releasing the fid. */
4221 if (raw)
4222 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4223 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4224 else
4225 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4226 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4227 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4228 txFid = ERROR;
4229 else
4230 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4231
4232done:
4233 up(&ai->sem);
4234
4235 return txFid;
4236}
4237
4238/* In general BAP1 is dedicated to transmiting packets. However,
4239 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4240 Make sure the BAP1 spinlock is held when this is called. */
4241static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4242{
Al Viro593c2b92007-12-17 15:09:34 -05004243 __le16 payloadLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004244 Cmd cmd;
4245 Resp rsp;
4246 int miclen = 0;
4247 u16 txFid = len;
4248 MICBuffer pMic;
4249
4250 len >>= 16;
4251
4252 if (len <= ETH_ALEN * 2) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004253 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004254 return ERROR;
4255 }
4256 len -= ETH_ALEN * 2;
4257
Linus Torvalds1da177e2005-04-16 15:20:36 -07004258 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
Al Viro593c2b92007-12-17 15:09:34 -05004259 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004260 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4261 return ERROR;
4262 miclen = sizeof(pMic);
4263 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004264 // packet is destination[6], source[6], payload[len-12]
4265 // write the payload length and dst/src/payload
4266 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4267 /* The hardware addresses aren't counted as part of the payload, so
4268 * we have to subtract the 12 bytes for the addresses off */
4269 payloadLen = cpu_to_le16(len + miclen);
4270 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
Al Virob8c06bc2007-12-19 17:55:43 -05004271 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004272 if (miclen)
Al Virob8c06bc2007-12-19 17:55:43 -05004273 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4274 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004275 // issue the transmit command
4276 memset( &cmd, 0, sizeof( cmd ) );
4277 cmd.cmd = CMD_TRANSMIT;
4278 cmd.parm0 = txFid;
4279 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4280 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4281 return SUCCESS;
4282}
4283
4284static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4285{
Al Viro593c2b92007-12-17 15:09:34 -05004286 __le16 fc, payloadLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004287 Cmd cmd;
4288 Resp rsp;
4289 int hdrlen;
Al Viro977b1432007-12-19 16:45:29 -05004290 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4291 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
Linus Torvalds1da177e2005-04-16 15:20:36 -07004292 u16 txFid = len;
4293 len >>= 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004294
Al Viro0300b332007-12-19 22:38:33 -05004295 fc = *(__le16*)pPacket;
4296 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004297
4298 if (len < hdrlen) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004299 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004300 return ERROR;
4301 }
4302
4303 /* packet is 802.11 header + payload
4304 * write the payload length and dst/src/payload */
4305 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4306 /* The 802.11 header aren't counted as part of the payload, so
4307 * we have to subtract the header bytes off */
4308 payloadLen = cpu_to_le16(len-hdrlen);
4309 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4310 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
Al Virob8c06bc2007-12-19 17:55:43 -05004311 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4312 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004313
Al Virob8c06bc2007-12-19 17:55:43 -05004314 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004315 // issue the transmit command
4316 memset( &cmd, 0, sizeof( cmd ) );
4317 cmd.cmd = CMD_TRANSMIT;
4318 cmd.parm0 = txFid;
4319 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4320 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4321 return SUCCESS;
4322}
4323
4324/*
4325 * This is the proc_fs routines. It is a bit messier than I would
4326 * like! Feel free to clean it up!
4327 */
4328
4329static ssize_t proc_read( struct file *file,
4330 char __user *buffer,
4331 size_t len,
4332 loff_t *offset);
4333
4334static ssize_t proc_write( struct file *file,
4335 const char __user *buffer,
4336 size_t len,
4337 loff_t *offset );
4338static int proc_close( struct inode *inode, struct file *file );
4339
4340static int proc_stats_open( struct inode *inode, struct file *file );
4341static int proc_statsdelta_open( struct inode *inode, struct file *file );
4342static int proc_status_open( struct inode *inode, struct file *file );
4343static int proc_SSID_open( struct inode *inode, struct file *file );
4344static int proc_APList_open( struct inode *inode, struct file *file );
4345static int proc_BSSList_open( struct inode *inode, struct file *file );
4346static int proc_config_open( struct inode *inode, struct file *file );
4347static int proc_wepkey_open( struct inode *inode, struct file *file );
4348
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004349static const struct file_operations proc_statsdelta_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004350 .read = proc_read,
4351 .open = proc_statsdelta_open,
4352 .release = proc_close
4353};
4354
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004355static const struct file_operations proc_stats_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004356 .read = proc_read,
4357 .open = proc_stats_open,
4358 .release = proc_close
4359};
4360
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004361static const struct file_operations proc_status_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004362 .read = proc_read,
4363 .open = proc_status_open,
4364 .release = proc_close
4365};
4366
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004367static const struct file_operations proc_SSID_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004368 .read = proc_read,
4369 .write = proc_write,
4370 .open = proc_SSID_open,
4371 .release = proc_close
4372};
4373
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004374static const struct file_operations proc_BSSList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004375 .read = proc_read,
4376 .write = proc_write,
4377 .open = proc_BSSList_open,
4378 .release = proc_close
4379};
4380
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004381static const struct file_operations proc_APList_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004382 .read = proc_read,
4383 .write = proc_write,
4384 .open = proc_APList_open,
4385 .release = proc_close
4386};
4387
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004388static const struct file_operations proc_config_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004389 .read = proc_read,
4390 .write = proc_write,
4391 .open = proc_config_open,
4392 .release = proc_close
4393};
4394
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004395static const struct file_operations proc_wepkey_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004396 .read = proc_read,
4397 .write = proc_write,
4398 .open = proc_wepkey_open,
4399 .release = proc_close
4400};
4401
4402static struct proc_dir_entry *airo_entry;
4403
4404struct proc_data {
4405 int release_buffer;
4406 int readlen;
4407 char *rbuffer;
4408 int writelen;
4409 int maxwritelen;
4410 char *wbuffer;
4411 void (*on_close) (struct inode *, struct file *);
4412};
4413
4414#ifndef SETPROC_OPS
4415#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4416#endif
4417
4418static int setup_proc_entry( struct net_device *dev,
4419 struct airo_info *apriv ) {
4420 struct proc_dir_entry *entry;
4421 /* First setup the device directory */
4422 strcpy(apriv->proc_name,dev->name);
4423 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4424 S_IFDIR|airo_perm,
4425 airo_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004426 if (!apriv->proc_entry)
4427 goto fail;
4428 apriv->proc_entry->uid = proc_uid;
4429 apriv->proc_entry->gid = proc_gid;
4430 apriv->proc_entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004431
4432 /* Setup the StatsDelta */
4433 entry = create_proc_entry("StatsDelta",
4434 S_IFREG | (S_IRUGO&proc_perm),
4435 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004436 if (!entry)
4437 goto fail_stats_delta;
4438 entry->uid = proc_uid;
4439 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004440 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004441 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004442 SETPROC_OPS(entry, proc_statsdelta_ops);
4443
4444 /* Setup the Stats */
4445 entry = create_proc_entry("Stats",
4446 S_IFREG | (S_IRUGO&proc_perm),
4447 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004448 if (!entry)
4449 goto fail_stats;
4450 entry->uid = proc_uid;
4451 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004452 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004453 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004454 SETPROC_OPS(entry, proc_stats_ops);
4455
4456 /* Setup the Status */
4457 entry = create_proc_entry("Status",
4458 S_IFREG | (S_IRUGO&proc_perm),
4459 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004460 if (!entry)
4461 goto fail_status;
4462 entry->uid = proc_uid;
4463 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004464 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004465 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004466 SETPROC_OPS(entry, proc_status_ops);
4467
4468 /* Setup the Config */
4469 entry = create_proc_entry("Config",
4470 S_IFREG | proc_perm,
4471 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004472 if (!entry)
4473 goto fail_config;
4474 entry->uid = proc_uid;
4475 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004476 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004477 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004478 SETPROC_OPS(entry, proc_config_ops);
4479
4480 /* Setup the SSID */
4481 entry = create_proc_entry("SSID",
4482 S_IFREG | proc_perm,
4483 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004484 if (!entry)
4485 goto fail_ssid;
4486 entry->uid = proc_uid;
4487 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004488 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004489 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004490 SETPROC_OPS(entry, proc_SSID_ops);
4491
4492 /* Setup the APList */
4493 entry = create_proc_entry("APList",
4494 S_IFREG | proc_perm,
4495 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004496 if (!entry)
4497 goto fail_aplist;
4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004500 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004501 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004502 SETPROC_OPS(entry, proc_APList_ops);
4503
4504 /* Setup the BSSList */
4505 entry = create_proc_entry("BSSList",
4506 S_IFREG | proc_perm,
4507 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004508 if (!entry)
4509 goto fail_bsslist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004510 entry->uid = proc_uid;
4511 entry->gid = proc_gid;
4512 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004513 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004514 SETPROC_OPS(entry, proc_BSSList_ops);
4515
4516 /* Setup the WepKey */
4517 entry = create_proc_entry("WepKey",
4518 S_IFREG | proc_perm,
4519 apriv->proc_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004520 if (!entry)
4521 goto fail_wepkey;
4522 entry->uid = proc_uid;
4523 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004524 entry->data = dev;
Florin Malita431aca52006-10-10 16:46:30 -04004525 entry->owner = THIS_MODULE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004526 SETPROC_OPS(entry, proc_wepkey_ops);
4527
4528 return 0;
Florin Malita431aca52006-10-10 16:46:30 -04004529
4530fail_wepkey:
4531 remove_proc_entry("BSSList", apriv->proc_entry);
4532fail_bsslist:
4533 remove_proc_entry("APList", apriv->proc_entry);
4534fail_aplist:
4535 remove_proc_entry("SSID", apriv->proc_entry);
4536fail_ssid:
4537 remove_proc_entry("Config", apriv->proc_entry);
4538fail_config:
4539 remove_proc_entry("Status", apriv->proc_entry);
4540fail_status:
4541 remove_proc_entry("Stats", apriv->proc_entry);
4542fail_stats:
4543 remove_proc_entry("StatsDelta", apriv->proc_entry);
4544fail_stats_delta:
4545 remove_proc_entry(apriv->proc_name, airo_entry);
4546fail:
4547 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004548}
4549
4550static int takedown_proc_entry( struct net_device *dev,
4551 struct airo_info *apriv ) {
4552 if ( !apriv->proc_entry->namelen ) return 0;
4553 remove_proc_entry("Stats",apriv->proc_entry);
4554 remove_proc_entry("StatsDelta",apriv->proc_entry);
4555 remove_proc_entry("Status",apriv->proc_entry);
4556 remove_proc_entry("Config",apriv->proc_entry);
4557 remove_proc_entry("SSID",apriv->proc_entry);
4558 remove_proc_entry("APList",apriv->proc_entry);
4559 remove_proc_entry("BSSList",apriv->proc_entry);
4560 remove_proc_entry("WepKey",apriv->proc_entry);
4561 remove_proc_entry(apriv->proc_name,airo_entry);
4562 return 0;
4563}
4564
4565/*
4566 * What we want from the proc_fs is to be able to efficiently read
4567 * and write the configuration. To do this, we want to read the
4568 * configuration when the file is opened and write it when the file is
4569 * closed. So basically we allocate a read buffer at open and fill it
4570 * with data, and allocate a write buffer and read it at close.
4571 */
4572
4573/*
4574 * The read routine is generic, it relies on the preallocated rbuffer
4575 * to supply the data.
4576 */
4577static ssize_t proc_read( struct file *file,
4578 char __user *buffer,
4579 size_t len,
4580 loff_t *offset )
4581{
4582 loff_t pos = *offset;
4583 struct proc_data *priv = (struct proc_data*)file->private_data;
4584
4585 if (!priv->rbuffer)
4586 return -EINVAL;
4587
4588 if (pos < 0)
4589 return -EINVAL;
4590 if (pos >= priv->readlen)
4591 return 0;
4592 if (len > priv->readlen - pos)
4593 len = priv->readlen - pos;
4594 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4595 return -EFAULT;
4596 *offset = pos + len;
4597 return len;
4598}
4599
4600/*
4601 * The write routine is generic, it fills in a preallocated rbuffer
4602 * to supply the data.
4603 */
4604static ssize_t proc_write( struct file *file,
4605 const char __user *buffer,
4606 size_t len,
4607 loff_t *offset )
4608{
4609 loff_t pos = *offset;
4610 struct proc_data *priv = (struct proc_data*)file->private_data;
4611
4612 if (!priv->wbuffer)
4613 return -EINVAL;
4614
4615 if (pos < 0)
4616 return -EINVAL;
4617 if (pos >= priv->maxwritelen)
4618 return 0;
4619 if (len > priv->maxwritelen - pos)
4620 len = priv->maxwritelen - pos;
4621 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4622 return -EFAULT;
4623 if ( pos + len > priv->writelen )
4624 priv->writelen = len + file->f_pos;
4625 *offset = pos + len;
4626 return len;
4627}
4628
Al Viro329e2c02007-12-20 22:58:57 -05004629static int proc_status_open(struct inode *inode, struct file *file)
4630{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004631 struct proc_data *data;
4632 struct proc_dir_entry *dp = PDE(inode);
4633 struct net_device *dev = dp->data;
4634 struct airo_info *apriv = dev->priv;
4635 CapabilityRid cap_rid;
4636 StatusRid status_rid;
Al Viro329e2c02007-12-20 22:58:57 -05004637 u16 mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004638 int i;
4639
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004640 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004641 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004642 data = (struct proc_data *)file->private_data;
4643 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4644 kfree (file->private_data);
4645 return -ENOMEM;
4646 }
4647
4648 readStatusRid(apriv, &status_rid, 1);
4649 readCapabilityRid(apriv, &cap_rid, 1);
4650
Al Viro329e2c02007-12-20 22:58:57 -05004651 mode = le16_to_cpu(status_rid.mode);
4652
Linus Torvalds1da177e2005-04-16 15:20:36 -07004653 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
Al Viro329e2c02007-12-20 22:58:57 -05004654 mode & 1 ? "CFG ": "",
4655 mode & 2 ? "ACT ": "",
4656 mode & 0x10 ? "SYN ": "",
4657 mode & 0x20 ? "LNK ": "",
4658 mode & 0x40 ? "LEAP ": "",
4659 mode & 0x80 ? "PRIV ": "",
4660 mode & 0x100 ? "KEY ": "",
4661 mode & 0x200 ? "WEP ": "",
4662 mode & 0x8000 ? "ERR ": "");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004663 sprintf( data->rbuffer+i, "Mode: %x\n"
4664 "Signal Strength: %d\n"
4665 "Signal Quality: %d\n"
4666 "SSID: %-.*s\n"
4667 "AP: %-.16s\n"
4668 "Freq: %d\n"
4669 "BitRate: %dmbs\n"
4670 "Driver Version: %s\n"
4671 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4672 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4673 "Software Version: %x\nSoftware Subversion: %x\n"
4674 "Boot block version: %x\n",
Al Viro329e2c02007-12-20 22:58:57 -05004675 le16_to_cpu(status_rid.mode),
4676 le16_to_cpu(status_rid.normalizedSignalStrength),
4677 le16_to_cpu(status_rid.signalQuality),
4678 le16_to_cpu(status_rid.SSIDlen),
Linus Torvalds1da177e2005-04-16 15:20:36 -07004679 status_rid.SSID,
4680 status_rid.apName,
Al Viro329e2c02007-12-20 22:58:57 -05004681 le16_to_cpu(status_rid.channel),
4682 le16_to_cpu(status_rid.currentXmitRate) / 2,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004683 version,
4684 cap_rid.prodName,
4685 cap_rid.manName,
4686 cap_rid.prodVer,
Al Viro56d81bd2007-12-20 17:18:35 -05004687 le16_to_cpu(cap_rid.radioType),
4688 le16_to_cpu(cap_rid.country),
4689 le16_to_cpu(cap_rid.hardVer),
4690 le16_to_cpu(cap_rid.softVer),
4691 le16_to_cpu(cap_rid.softSubVer),
4692 le16_to_cpu(cap_rid.bootBlockVer));
Linus Torvalds1da177e2005-04-16 15:20:36 -07004693 data->readlen = strlen( data->rbuffer );
4694 return 0;
4695}
4696
4697static int proc_stats_rid_open(struct inode*, struct file*, u16);
4698static int proc_statsdelta_open( struct inode *inode,
4699 struct file *file ) {
4700 if (file->f_mode&FMODE_WRITE) {
4701 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4702 }
4703 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4704}
4705
4706static int proc_stats_open( struct inode *inode, struct file *file ) {
4707 return proc_stats_rid_open(inode, file, RID_STATS);
4708}
4709
4710static int proc_stats_rid_open( struct inode *inode,
4711 struct file *file,
Al Viroa23ace52007-12-19 22:24:16 -05004712 u16 rid )
4713{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004714 struct proc_data *data;
4715 struct proc_dir_entry *dp = PDE(inode);
4716 struct net_device *dev = dp->data;
4717 struct airo_info *apriv = dev->priv;
4718 StatsRid stats;
4719 int i, j;
Al Viroa23ace52007-12-19 22:24:16 -05004720 __le32 *vals = stats.vals;
4721 int len = le16_to_cpu(stats.len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004722
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004723 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004724 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004725 data = (struct proc_data *)file->private_data;
4726 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4727 kfree (file->private_data);
4728 return -ENOMEM;
4729 }
4730
4731 readStatsRid(apriv, &stats, rid, 1);
4732
4733 j = 0;
Al Viroa23ace52007-12-19 22:24:16 -05004734 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004735 if (!statsLabels[i]) continue;
4736 if (j+strlen(statsLabels[i])+16>4096) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004737 airo_print_warn(apriv->dev->name,
4738 "Potentially disasterous buffer overflow averted!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004739 break;
4740 }
Al Viroa23ace52007-12-19 22:24:16 -05004741 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4742 le32_to_cpu(vals[i]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07004743 }
Al Viroa23ace52007-12-19 22:24:16 -05004744 if (i*4 >= len) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004745 airo_print_warn(apriv->dev->name, "Got a short rid");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004746 }
4747 data->readlen = j;
4748 return 0;
4749}
4750
4751static int get_dec_u16( char *buffer, int *start, int limit ) {
4752 u16 value;
4753 int valid = 0;
4754 for( value = 0; buffer[*start] >= '0' &&
4755 buffer[*start] <= '9' &&
4756 *start < limit; (*start)++ ) {
4757 valid = 1;
4758 value *= 10;
4759 value += buffer[*start] - '0';
4760 }
4761 if ( !valid ) return -1;
4762 return value;
4763}
4764
4765static int airo_config_commit(struct net_device *dev,
4766 struct iw_request_info *info, void *zwrq,
4767 char *extra);
4768
Al Viro3eb9b412007-12-21 00:00:35 -05004769static inline int sniffing_mode(struct airo_info *ai)
4770{
4771 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4772 le16_to_cpu(RXMODE_RFMON);
4773}
4774
4775static void proc_config_on_close(struct inode *inode, struct file *file)
4776{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004777 struct proc_data *data = file->private_data;
4778 struct proc_dir_entry *dp = PDE(inode);
4779 struct net_device *dev = dp->data;
4780 struct airo_info *ai = dev->priv;
4781 char *line;
4782
4783 if ( !data->writelen ) return;
4784
4785 readConfigRid(ai, 1);
4786 set_bit (FLAG_COMMIT, &ai->flags);
4787
4788 line = data->wbuffer;
4789 while( line[0] ) {
4790/*** Mode processing */
4791 if ( !strncmp( line, "Mode: ", 6 ) ) {
4792 line += 6;
Al Viro3eb9b412007-12-21 00:00:35 -05004793 if (sniffing_mode(ai))
4794 set_bit (FLAG_RESET, &ai->flags);
4795 ai->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004796 clear_bit (FLAG_802_11, &ai->flags);
Al Viro3eb9b412007-12-21 00:00:35 -05004797 ai->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004798 ai->config.scanMode = SCANMODE_ACTIVE;
4799 if ( line[0] == 'a' ) {
Al Viro3eb9b412007-12-21 00:00:35 -05004800 ai->config.opmode |= MODE_STA_IBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004801 } else {
Al Viro3eb9b412007-12-21 00:00:35 -05004802 ai->config.opmode |= MODE_STA_ESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004803 if ( line[0] == 'r' ) {
4804 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4805 ai->config.scanMode = SCANMODE_PASSIVE;
4806 set_bit (FLAG_802_11, &ai->flags);
4807 } else if ( line[0] == 'y' ) {
4808 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4809 ai->config.scanMode = SCANMODE_PASSIVE;
4810 set_bit (FLAG_802_11, &ai->flags);
4811 } else if ( line[0] == 'l' )
4812 ai->config.rmode |= RXMODE_LANMON;
4813 }
4814 set_bit (FLAG_COMMIT, &ai->flags);
4815 }
4816
4817/*** Radio status */
4818 else if (!strncmp(line,"Radio: ", 7)) {
4819 line += 7;
4820 if (!strncmp(line,"off",3)) {
4821 set_bit (FLAG_RADIO_OFF, &ai->flags);
4822 } else {
4823 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4824 }
4825 }
4826/*** NodeName processing */
4827 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4828 int j;
4829
4830 line += 10;
4831 memset( ai->config.nodeName, 0, 16 );
4832/* Do the name, assume a space between the mode and node name */
4833 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4834 ai->config.nodeName[j] = line[j];
4835 }
4836 set_bit (FLAG_COMMIT, &ai->flags);
4837 }
4838
4839/*** PowerMode processing */
4840 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4841 line += 11;
4842 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4843 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4844 set_bit (FLAG_COMMIT, &ai->flags);
4845 } else if ( !strncmp( line, "PSP", 3 ) ) {
4846 ai->config.powerSaveMode = POWERSAVE_PSP;
4847 set_bit (FLAG_COMMIT, &ai->flags);
4848 } else {
4849 ai->config.powerSaveMode = POWERSAVE_CAM;
4850 set_bit (FLAG_COMMIT, &ai->flags);
4851 }
4852 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4853 int v, i = 0, k = 0; /* i is index into line,
4854 k is index to rates */
4855
4856 line += 11;
4857 while((v = get_dec_u16(line, &i, 3))!=-1) {
4858 ai->config.rates[k++] = (u8)v;
4859 line += i + 1;
4860 i = 0;
4861 }
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4864 int v, i = 0;
4865 line += 9;
4866 v = get_dec_u16(line, &i, i+3);
4867 if ( v != -1 ) {
Al Viro3eb9b412007-12-21 00:00:35 -05004868 ai->config.channelSet = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004869 set_bit (FLAG_COMMIT, &ai->flags);
4870 }
4871 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4872 int v, i = 0;
4873 line += 11;
4874 v = get_dec_u16(line, &i, i+3);
4875 if ( v != -1 ) {
Al Viro3eb9b412007-12-21 00:00:35 -05004876 ai->config.txPower = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004877 set_bit (FLAG_COMMIT, &ai->flags);
4878 }
4879 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4880 line += 5;
4881 switch( line[0] ) {
4882 case 's':
Al Viro3eb9b412007-12-21 00:00:35 -05004883 ai->config.authType = AUTH_SHAREDKEY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004884 break;
4885 case 'e':
Al Viro3eb9b412007-12-21 00:00:35 -05004886 ai->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004887 break;
4888 default:
Al Viro3eb9b412007-12-21 00:00:35 -05004889 ai->config.authType = AUTH_OPEN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004890 break;
4891 }
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4894 int v, i = 0;
4895
4896 line += 16;
4897 v = get_dec_u16(line, &i, 3);
4898 v = (v<0) ? 0 : ((v>255) ? 255 : v);
Al Viro3eb9b412007-12-21 00:00:35 -05004899 ai->config.longRetryLimit = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4902 int v, i = 0;
4903
4904 line += 17;
4905 v = get_dec_u16(line, &i, 3);
4906 v = (v<0) ? 0 : ((v>255) ? 255 : v);
Al Viro3eb9b412007-12-21 00:00:35 -05004907 ai->config.shortRetryLimit = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004908 set_bit (FLAG_COMMIT, &ai->flags);
4909 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4910 int v, i = 0;
4911
4912 line += 14;
4913 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004914 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Al Viro3eb9b412007-12-21 00:00:35 -05004915 ai->config.rtsThres = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004916 set_bit (FLAG_COMMIT, &ai->flags);
4917 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4918 int v, i = 0;
4919
4920 line += 16;
4921 v = get_dec_u16(line, &i, 5);
4922 v = (v<0) ? 0 : v;
Al Viro3eb9b412007-12-21 00:00:35 -05004923 ai->config.txLifetime = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4926 int v, i = 0;
4927
4928 line += 16;
4929 v = get_dec_u16(line, &i, 5);
4930 v = (v<0) ? 0 : v;
Al Viro3eb9b412007-12-21 00:00:35 -05004931 ai->config.rxLifetime = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4934 ai->config.txDiversity =
4935 (line[13]=='l') ? 1 :
4936 ((line[13]=='r')? 2: 3);
4937 set_bit (FLAG_COMMIT, &ai->flags);
4938 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4939 ai->config.rxDiversity =
4940 (line[13]=='l') ? 1 :
4941 ((line[13]=='r')? 2: 3);
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4944 int v, i = 0;
4945
4946 line += 15;
4947 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004948 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004949 v = v & 0xfffe; /* Make sure its even */
Al Viro3eb9b412007-12-21 00:00:35 -05004950 ai->config.fragThresh = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if (!strncmp(line, "Modulation: ", 12)) {
4953 line += 12;
4954 switch(*line) {
4955 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4956 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4957 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05004958 default: airo_print_warn(ai->dev->name, "Unknown modulation");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004959 }
4960 } else if (!strncmp(line, "Preamble: ", 10)) {
4961 line += 10;
4962 switch(*line) {
4963 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05004966 default: airo_print_warn(ai->dev->name, "Unknown preamble");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004967 }
4968 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05004969 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004970 }
4971 while( line[0] && line[0] != '\n' ) line++;
4972 if ( line[0] ) line++;
4973 }
4974 airo_config_commit(dev, NULL, NULL, NULL);
4975}
4976
Al Viro3eb9b412007-12-21 00:00:35 -05004977static char *get_rmode(__le16 mode)
4978{
4979 switch(mode & RXMODE_MASK) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004980 case RXMODE_RFMON: return "rfmon";
4981 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4982 case RXMODE_LANMON: return "lanmon";
4983 }
4984 return "ESS";
4985}
4986
Al Viro3eb9b412007-12-21 00:00:35 -05004987static int proc_config_open(struct inode *inode, struct file *file)
4988{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004989 struct proc_data *data;
4990 struct proc_dir_entry *dp = PDE(inode);
4991 struct net_device *dev = dp->data;
4992 struct airo_info *ai = dev->priv;
4993 int i;
Al Viro3eb9b412007-12-21 00:00:35 -05004994 __le16 mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004995
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004996 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004997 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004998 data = (struct proc_data *)file->private_data;
4999 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5000 kfree (file->private_data);
5001 return -ENOMEM;
5002 }
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005003 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005004 kfree (data->rbuffer);
5005 kfree (file->private_data);
5006 return -ENOMEM;
5007 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005008 data->maxwritelen = 2048;
5009 data->on_close = proc_config_on_close;
5010
5011 readConfigRid(ai, 1);
5012
Al Viro3eb9b412007-12-21 00:00:35 -05005013 mode = ai->config.opmode & MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005014 i = sprintf( data->rbuffer,
5015 "Mode: %s\n"
5016 "Radio: %s\n"
5017 "NodeName: %-16s\n"
5018 "PowerMode: %s\n"
5019 "DataRates: %d %d %d %d %d %d %d %d\n"
5020 "Channel: %d\n"
5021 "XmitPower: %d\n",
Al Viro3eb9b412007-12-21 00:00:35 -05005022 mode == MODE_STA_IBSS ? "adhoc" :
5023 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5024 mode == MODE_AP ? "AP" :
5025 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
Linus Torvalds1da177e2005-04-16 15:20:36 -07005026 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5027 ai->config.nodeName,
Al Viro3eb9b412007-12-21 00:00:35 -05005028 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5029 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5030 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5031 "Error",
Linus Torvalds1da177e2005-04-16 15:20:36 -07005032 (int)ai->config.rates[0],
5033 (int)ai->config.rates[1],
5034 (int)ai->config.rates[2],
5035 (int)ai->config.rates[3],
5036 (int)ai->config.rates[4],
5037 (int)ai->config.rates[5],
5038 (int)ai->config.rates[6],
5039 (int)ai->config.rates[7],
Al Viro3eb9b412007-12-21 00:00:35 -05005040 le16_to_cpu(ai->config.channelSet),
5041 le16_to_cpu(ai->config.txPower)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005042 );
5043 sprintf( data->rbuffer + i,
5044 "LongRetryLimit: %d\n"
5045 "ShortRetryLimit: %d\n"
5046 "RTSThreshold: %d\n"
5047 "TXMSDULifetime: %d\n"
5048 "RXMSDULifetime: %d\n"
5049 "TXDiversity: %s\n"
5050 "RXDiversity: %s\n"
5051 "FragThreshold: %d\n"
5052 "WEP: %s\n"
5053 "Modulation: %s\n"
5054 "Preamble: %s\n",
Al Viro3eb9b412007-12-21 00:00:35 -05005055 le16_to_cpu(ai->config.longRetryLimit),
5056 le16_to_cpu(ai->config.shortRetryLimit),
5057 le16_to_cpu(ai->config.rtsThres),
5058 le16_to_cpu(ai->config.txLifetime),
5059 le16_to_cpu(ai->config.rxLifetime),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005060 ai->config.txDiversity == 1 ? "left" :
5061 ai->config.txDiversity == 2 ? "right" : "both",
5062 ai->config.rxDiversity == 1 ? "left" :
5063 ai->config.rxDiversity == 2 ? "right" : "both",
Al Viro3eb9b412007-12-21 00:00:35 -05005064 le16_to_cpu(ai->config.fragThresh),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005065 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5066 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
Al Viro3eb9b412007-12-21 00:00:35 -05005067 ai->config.modulation == MOD_DEFAULT ? "default" :
Linus Torvalds1da177e2005-04-16 15:20:36 -07005068 ai->config.modulation == MOD_CCK ? "cck" :
5069 ai->config.modulation == MOD_MOK ? "mok" : "error",
5070 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5071 ai->config.preamble == PREAMBLE_LONG ? "long" :
5072 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5073 );
5074 data->readlen = strlen( data->rbuffer );
5075 return 0;
5076}
5077
Al Viro0dd22122007-12-17 16:11:57 -05005078static void proc_SSID_on_close(struct inode *inode, struct file *file)
5079{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005080 struct proc_data *data = (struct proc_data *)file->private_data;
5081 struct proc_dir_entry *dp = PDE(inode);
5082 struct net_device *dev = dp->data;
5083 struct airo_info *ai = dev->priv;
5084 SsidRid SSID_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005085 int i;
Al Viro0dd22122007-12-17 16:11:57 -05005086 char *p = data->wbuffer;
5087 char *end = p + data->writelen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005088
Al Viro0dd22122007-12-17 16:11:57 -05005089 if (!data->writelen)
5090 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005091
Al Viro0dd22122007-12-17 16:11:57 -05005092 *end = '\n'; /* sentinel; we have space for it */
Linus Torvalds1da177e2005-04-16 15:20:36 -07005093
Al Viro0dd22122007-12-17 16:11:57 -05005094 memset(&SSID_rid, 0, sizeof(SSID_rid));
5095
5096 for (i = 0; i < 3 && p < end; i++) {
5097 int j = 0;
5098 /* copy up to 32 characters from this line */
5099 while (*p != '\n' && j < 32)
5100 SSID_rid.ssids[i].ssid[j++] = *p++;
5101 if (j == 0)
5102 break;
5103 SSID_rid.ssids[i].len = cpu_to_le16(j);
5104 /* skip to the beginning of the next line */
5105 while (*p++ != '\n')
5106 ;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005107 }
5108 if (i)
Al Viro0dd22122007-12-17 16:11:57 -05005109 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005110 disable_MAC(ai, 1);
5111 writeSsidRid(ai, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005112 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005113}
5114
Jesper Juhl77933d72005-07-27 11:46:09 -07005115static inline u8 hexVal(char c) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005116 if (c>='0' && c<='9') return c -= '0';
5117 if (c>='a' && c<='f') return c -= 'a'-10;
5118 if (c>='A' && c<='F') return c -= 'A'-10;
5119 return 0;
5120}
5121
5122static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5123 struct proc_data *data = (struct proc_data *)file->private_data;
5124 struct proc_dir_entry *dp = PDE(inode);
5125 struct net_device *dev = dp->data;
5126 struct airo_info *ai = dev->priv;
5127 APListRid APList_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005128 int i;
5129
5130 if ( !data->writelen ) return;
5131
5132 memset( &APList_rid, 0, sizeof(APList_rid) );
Al Viroa7497162007-12-20 17:49:41 -05005133 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005134
5135 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5136 int j;
5137 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5138 switch(j%3) {
5139 case 0:
5140 APList_rid.ap[i][j/3]=
5141 hexVal(data->wbuffer[j+i*6*3])<<4;
5142 break;
5143 case 1:
5144 APList_rid.ap[i][j/3]|=
5145 hexVal(data->wbuffer[j+i*6*3]);
5146 break;
5147 }
5148 }
5149 }
5150 disable_MAC(ai, 1);
5151 writeAPListRid(ai, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005152 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005153}
5154
5155/* This function wraps PC4500_writerid with a MAC disable */
5156static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5157 int len, int dummy ) {
5158 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005159
5160 disable_MAC(ai, 1);
5161 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005162 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005163 return rc;
5164}
5165
5166/* Returns the length of the key at the index. If index == 0xffff
5167 * the index of the transmit key is returned. If the key doesn't exist,
5168 * -1 will be returned.
5169 */
5170static int get_wep_key(struct airo_info *ai, u16 index) {
5171 WepKeyRid wkr;
5172 int rc;
Al Viro4293ea32007-12-19 19:21:51 -05005173 __le16 lastindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005174
5175 rc = readWepKeyRid(ai, &wkr, 1, 1);
5176 if (rc == SUCCESS) do {
5177 lastindex = wkr.kindex;
Al Viro4293ea32007-12-19 19:21:51 -05005178 if (wkr.kindex == cpu_to_le16(index)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005179 if (index == 0xffff) {
5180 return wkr.mac[0];
5181 }
Al Viro4293ea32007-12-19 19:21:51 -05005182 return le16_to_cpu(wkr.klen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005183 }
5184 readWepKeyRid(ai, &wkr, 0, 1);
Al Viro4293ea32007-12-19 19:21:51 -05005185 } while (lastindex != wkr.kindex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005186 return -1;
5187}
5188
5189static int set_wep_key(struct airo_info *ai, u16 index,
Al Viro4293ea32007-12-19 19:21:51 -05005190 const char *key, u16 keylen, int perm, int lock )
5191{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005192 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5193 WepKeyRid wkr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005194
5195 memset(&wkr, 0, sizeof(wkr));
5196 if (keylen == 0) {
5197// We are selecting which key to use
Al Viro4293ea32007-12-19 19:21:51 -05005198 wkr.len = cpu_to_le16(sizeof(wkr));
5199 wkr.kindex = cpu_to_le16(0xffff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005200 wkr.mac[0] = (char)index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005201 if (perm) ai->defindex = (char)index;
5202 } else {
5203// We are actually setting the key
Al Viro4293ea32007-12-19 19:21:51 -05005204 wkr.len = cpu_to_le16(sizeof(wkr));
5205 wkr.kindex = cpu_to_le16(index);
5206 wkr.klen = cpu_to_le16(keylen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005207 memcpy( wkr.key, key, keylen );
5208 memcpy( wkr.mac, macaddr, ETH_ALEN );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005209 }
5210
Dan Streetmanf89b2322005-11-11 11:41:42 -05005211 if (perm) disable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005212 writeWepKeyRid(ai, &wkr, perm, lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005213 if (perm) enable_MAC(ai, lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005214 return 0;
5215}
5216
5217static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5218 struct proc_data *data;
5219 struct proc_dir_entry *dp = PDE(inode);
5220 struct net_device *dev = dp->data;
5221 struct airo_info *ai = dev->priv;
5222 int i;
5223 char key[16];
5224 u16 index = 0;
5225 int j = 0;
5226
5227 memset(key, 0, sizeof(key));
5228
5229 data = (struct proc_data *)file->private_data;
5230 if ( !data->writelen ) return;
5231
5232 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5233 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5234 index = data->wbuffer[0] - '0';
5235 if (data->wbuffer[1] == '\n') {
5236 set_wep_key(ai, index, NULL, 0, 1, 1);
5237 return;
5238 }
5239 j = 2;
5240 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005241 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005242 return;
5243 }
5244
5245 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5246 switch(i%3) {
5247 case 0:
5248 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5249 break;
5250 case 1:
5251 key[i/3] |= hexVal(data->wbuffer[i+j]);
5252 break;
5253 }
5254 }
5255 set_wep_key(ai, index, key, i/3, 1, 1);
5256}
5257
Al Viro4293ea32007-12-19 19:21:51 -05005258static int proc_wepkey_open( struct inode *inode, struct file *file )
5259{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005260 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 char *ptr;
5265 WepKeyRid wkr;
Al Viro4293ea32007-12-19 19:21:51 -05005266 __le16 lastindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005267 int j=0;
5268 int rc;
5269
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005270 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005271 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005272 memset(&wkr, 0, sizeof(wkr));
5273 data = (struct proc_data *)file->private_data;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005274 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005275 kfree (file->private_data);
5276 return -ENOMEM;
5277 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005278 data->writelen = 0;
5279 data->maxwritelen = 80;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005280 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005281 kfree (data->rbuffer);
5282 kfree (file->private_data);
5283 return -ENOMEM;
5284 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005285 data->on_close = proc_wepkey_on_close;
5286
5287 ptr = data->rbuffer;
5288 strcpy(ptr, "No wep keys\n");
5289 rc = readWepKeyRid(ai, &wkr, 1, 1);
5290 if (rc == SUCCESS) do {
5291 lastindex = wkr.kindex;
Al Viro4293ea32007-12-19 19:21:51 -05005292 if (wkr.kindex == cpu_to_le16(0xffff)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005293 j += sprintf(ptr+j, "Tx key = %d\n",
5294 (int)wkr.mac[0]);
5295 } else {
5296 j += sprintf(ptr+j, "Key %d set with length = %d\n",
Al Viro4293ea32007-12-19 19:21:51 -05005297 le16_to_cpu(wkr.kindex),
5298 le16_to_cpu(wkr.klen));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005299 }
5300 readWepKeyRid(ai, &wkr, 0, 1);
5301 } while((lastindex != wkr.kindex) && (j < 180-30));
5302
5303 data->readlen = strlen( data->rbuffer );
5304 return 0;
5305}
5306
Al Viro0dd22122007-12-17 16:11:57 -05005307static int proc_SSID_open(struct inode *inode, struct file *file)
5308{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005309 struct proc_data *data;
5310 struct proc_dir_entry *dp = PDE(inode);
5311 struct net_device *dev = dp->data;
5312 struct airo_info *ai = dev->priv;
5313 int i;
5314 char *ptr;
5315 SsidRid SSID_rid;
5316
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005317 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005318 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005319 data = (struct proc_data *)file->private_data;
5320 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5321 kfree (file->private_data);
5322 return -ENOMEM;
5323 }
5324 data->writelen = 0;
5325 data->maxwritelen = 33*3;
Al Viro0dd22122007-12-17 16:11:57 -05005326 /* allocate maxwritelen + 1; we'll want a sentinel */
5327 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005328 kfree (data->rbuffer);
5329 kfree (file->private_data);
5330 return -ENOMEM;
5331 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005332 data->on_close = proc_SSID_on_close;
5333
5334 readSsidRid(ai, &SSID_rid);
5335 ptr = data->rbuffer;
Al Viro0dd22122007-12-17 16:11:57 -05005336 for (i = 0; i < 3; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005337 int j;
Al Viro0dd22122007-12-17 16:11:57 -05005338 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5339 if (!len)
5340 break;
5341 if (len > 32)
5342 len = 32;
5343 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005344 *ptr++ = SSID_rid.ssids[i].ssid[j];
Linus Torvalds1da177e2005-04-16 15:20:36 -07005345 *ptr++ = '\n';
5346 }
5347 *ptr = '\0';
5348 data->readlen = strlen( data->rbuffer );
5349 return 0;
5350}
5351
5352static int proc_APList_open( struct inode *inode, struct file *file ) {
5353 struct proc_data *data;
5354 struct proc_dir_entry *dp = PDE(inode);
5355 struct net_device *dev = dp->data;
5356 struct airo_info *ai = dev->priv;
5357 int i;
5358 char *ptr;
5359 APListRid APList_rid;
Joe Perches0795af52007-10-03 17:59:30 -07005360 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005361
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005362 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005363 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005364 data = (struct proc_data *)file->private_data;
5365 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5366 kfree (file->private_data);
5367 return -ENOMEM;
5368 }
5369 data->writelen = 0;
5370 data->maxwritelen = 4*6*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005371 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005372 kfree (data->rbuffer);
5373 kfree (file->private_data);
5374 return -ENOMEM;
5375 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005376 data->on_close = proc_APList_on_close;
5377
5378 readAPListRid(ai, &APList_rid);
5379 ptr = data->rbuffer;
5380 for( i = 0; i < 4; i++ ) {
5381// We end when we find a zero MAC
5382 if ( !*(int*)APList_rid.ap[i] &&
5383 !*(int*)&APList_rid.ap[i][2]) break;
Joe Perches0795af52007-10-03 17:59:30 -07005384 ptr += sprintf(ptr, "%s\n",
5385 print_mac(mac, APList_rid.ap[i]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005386 }
5387 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5388
5389 *ptr = '\0';
5390 data->readlen = strlen( data->rbuffer );
5391 return 0;
5392}
5393
5394static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5395 struct proc_data *data;
5396 struct proc_dir_entry *dp = PDE(inode);
5397 struct net_device *dev = dp->data;
5398 struct airo_info *ai = dev->priv;
5399 char *ptr;
5400 BSSListRid BSSList_rid;
5401 int rc;
5402 /* If doLoseSync is not 1, we won't do a Lose Sync */
5403 int doLoseSync = -1;
Joe Perches0795af52007-10-03 17:59:30 -07005404 DECLARE_MAC_BUF(mac);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005405
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005406 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005407 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005408 data = (struct proc_data *)file->private_data;
5409 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5410 kfree (file->private_data);
5411 return -ENOMEM;
5412 }
5413 data->writelen = 0;
5414 data->maxwritelen = 0;
5415 data->wbuffer = NULL;
5416 data->on_close = NULL;
5417
5418 if (file->f_mode & FMODE_WRITE) {
5419 if (!(file->f_mode & FMODE_READ)) {
5420 Cmd cmd;
5421 Resp rsp;
5422
5423 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5424 memset(&cmd, 0, sizeof(cmd));
5425 cmd.cmd=CMD_LISTBSS;
5426 if (down_interruptible(&ai->sem))
5427 return -ERESTARTSYS;
5428 issuecommand(ai, &cmd, &rsp);
5429 up(&ai->sem);
5430 data->readlen = 0;
5431 return 0;
5432 }
5433 doLoseSync = 1;
5434 }
5435 ptr = data->rbuffer;
5436 /* There is a race condition here if there are concurrent opens.
5437 Since it is a rare condition, we'll just live with it, otherwise
5438 we have to add a spin lock... */
5439 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
Al Viro17e70492007-12-19 18:56:37 -05005440 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
Joe Perches0795af52007-10-03 17:59:30 -07005441 ptr += sprintf(ptr, "%s %*s rssi = %d",
5442 print_mac(mac, BSSList_rid.bssid),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005443 (int)BSSList_rid.ssidLen,
5444 BSSList_rid.ssid,
Al Viro17e70492007-12-19 18:56:37 -05005445 le16_to_cpu(BSSList_rid.dBm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005446 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
Al Viro17e70492007-12-19 18:56:37 -05005447 le16_to_cpu(BSSList_rid.dsChannel),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005448 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5449 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5450 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5451 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5452 rc = readBSSListRid(ai, 0, &BSSList_rid);
5453 }
5454 *ptr = '\0';
5455 data->readlen = strlen( data->rbuffer );
5456 return 0;
5457}
5458
5459static int proc_close( struct inode *inode, struct file *file )
5460{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04005461 struct proc_data *data = file->private_data;
5462
5463 if (data->on_close != NULL)
5464 data->on_close(inode, file);
5465 kfree(data->rbuffer);
5466 kfree(data->wbuffer);
5467 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005468 return 0;
5469}
5470
Linus Torvalds1da177e2005-04-16 15:20:36 -07005471/* Since the card doesn't automatically switch to the right WEP mode,
5472 we will make it do it. If the card isn't associated, every secs we
5473 will switch WEP modes to see if that will help. If the card is
5474 associated we will check every minute to see if anything has
5475 changed. */
5476static void timer_func( struct net_device *dev ) {
5477 struct airo_info *apriv = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005478
5479/* We don't have a link so try changing the authtype */
5480 readConfigRid(apriv, 0);
5481 disable_MAC(apriv, 0);
5482 switch(apriv->config.authType) {
5483 case AUTH_ENCRYPT:
5484/* So drop to OPEN */
5485 apriv->config.authType = AUTH_OPEN;
5486 break;
5487 case AUTH_SHAREDKEY:
5488 if (apriv->keyindex < auto_wep) {
5489 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5490 apriv->config.authType = AUTH_SHAREDKEY;
5491 apriv->keyindex++;
5492 } else {
5493 /* Drop to ENCRYPT */
5494 apriv->keyindex = 0;
5495 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5496 apriv->config.authType = AUTH_ENCRYPT;
5497 }
5498 break;
5499 default: /* We'll escalate to SHAREDKEY */
5500 apriv->config.authType = AUTH_SHAREDKEY;
5501 }
5502 set_bit (FLAG_COMMIT, &apriv->flags);
5503 writeConfigRid(apriv, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005504 enable_MAC(apriv, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005505 up(&apriv->sem);
5506
5507/* Schedule check to see if the change worked */
Dan Williams3c304952006-04-15 12:26:18 -04005508 clear_bit(JOB_AUTOWEP, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005509 apriv->expires = RUN_AT(HZ*3);
5510}
5511
Linus Torvalds1da177e2005-04-16 15:20:36 -07005512#ifdef CONFIG_PCI
5513static int __devinit airo_pci_probe(struct pci_dev *pdev,
5514 const struct pci_device_id *pent)
5515{
5516 struct net_device *dev;
5517
5518 if (pci_enable_device(pdev))
5519 return -ENODEV;
5520 pci_set_master(pdev);
5521
5522 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5523 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5524 else
5525 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005526 if (!dev) {
5527 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005528 return -ENODEV;
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005529 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005530
5531 pci_set_drvdata(pdev, dev);
5532 return 0;
5533}
5534
5535static void __devexit airo_pci_remove(struct pci_dev *pdev)
5536{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005537 struct net_device *dev = pci_get_drvdata(pdev);
5538
5539 airo_print_info(dev->name, "Unregistering...");
5540 stop_airo_card(dev, 1);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005541 pci_disable_device(pdev);
5542 pci_set_drvdata(pdev, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005543}
5544
Pavel Machek05adc3b2005-04-16 15:25:25 -07005545static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005546{
5547 struct net_device *dev = pci_get_drvdata(pdev);
5548 struct airo_info *ai = dev->priv;
5549 Cmd cmd;
5550 Resp rsp;
5551
5552 if ((ai->APList == NULL) &&
5553 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5554 return -ENOMEM;
5555 if ((ai->SSID == NULL) &&
5556 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5557 return -ENOMEM;
5558 readAPListRid(ai, ai->APList);
5559 readSsidRid(ai, ai->SSID);
5560 memset(&cmd, 0, sizeof(cmd));
5561 /* the lock will be released at the end of the resume callback */
5562 if (down_interruptible(&ai->sem))
5563 return -EAGAIN;
5564 disable_MAC(ai, 0);
5565 netif_device_detach(dev);
5566 ai->power = state;
5567 cmd.cmd=HOSTSLEEP;
5568 issuecommand(ai, &cmd, &rsp);
5569
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005570 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005571 pci_save_state(pdev);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005572 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005573}
5574
5575static int airo_pci_resume(struct pci_dev *pdev)
5576{
5577 struct net_device *dev = pci_get_drvdata(pdev);
5578 struct airo_info *ai = dev->priv;
Michal Schmidt53232802005-10-04 07:46:21 -04005579 pci_power_t prev_state = pdev->current_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005580
Michal Schmidt53232802005-10-04 07:46:21 -04005581 pci_set_power_state(pdev, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005582 pci_restore_state(pdev);
Michal Schmidt53232802005-10-04 07:46:21 -04005583 pci_enable_wake(pdev, PCI_D0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005584
Michal Schmidt53232802005-10-04 07:46:21 -04005585 if (prev_state != PCI_D1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005586 reset_card(dev, 0);
5587 mpi_init_descriptors(ai);
5588 setup_card(ai, dev->dev_addr, 0);
5589 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5590 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5591 } else {
5592 OUT4500(ai, EVACK, EV_AWAKEN);
5593 OUT4500(ai, EVACK, EV_AWAKEN);
5594 msleep(100);
5595 }
5596
5597 set_bit (FLAG_COMMIT, &ai->flags);
5598 disable_MAC(ai, 0);
5599 msleep(200);
5600 if (ai->SSID) {
5601 writeSsidRid(ai, ai->SSID, 0);
5602 kfree(ai->SSID);
5603 ai->SSID = NULL;
5604 }
5605 if (ai->APList) {
5606 writeAPListRid(ai, ai->APList, 0);
5607 kfree(ai->APList);
5608 ai->APList = NULL;
5609 }
5610 writeConfigRid(ai, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005611 enable_MAC(ai, 0);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005612 ai->power = PMSG_ON;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005613 netif_device_attach(dev);
5614 netif_wake_queue(dev);
5615 enable_interrupts(ai);
5616 up(&ai->sem);
5617 return 0;
5618}
5619#endif
5620
5621static int __init airo_init_module( void )
5622{
Jeff Garzikde897882006-10-01 07:31:09 -04005623 int i;
5624#if 0
5625 int have_isa_dev = 0;
5626#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005627
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005628 airo_entry = create_proc_entry("driver/aironet",
Linus Torvalds1da177e2005-04-16 15:20:36 -07005629 S_IFDIR | airo_perm,
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005630 NULL);
Jeff Garzikde897882006-10-01 07:31:09 -04005631
5632 if (airo_entry) {
5633 airo_entry->uid = proc_uid;
5634 airo_entry->gid = proc_gid;
5635 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005636
5637 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005638 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5639 "io=0x%x", irq[i], io[i] );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005640 if (init_airo_card( irq[i], io[i], 0, NULL ))
Jeff Garzikde897882006-10-01 07:31:09 -04005641#if 0
Linus Torvalds1da177e2005-04-16 15:20:36 -07005642 have_isa_dev = 1;
Jeff Garzikde897882006-10-01 07:31:09 -04005643#else
5644 /* do nothing */ ;
5645#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07005646 }
5647
5648#ifdef CONFIG_PCI
Dan Williams934d8bf2006-03-16 13:46:23 -05005649 airo_print_info("", "Probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005650 i = pci_register_driver(&airo_driver);
Dan Williams934d8bf2006-03-16 13:46:23 -05005651 airo_print_info("", "Finished probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005652
5653 if (i) {
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005654 remove_proc_entry("driver/aironet", NULL);
Jeff Garzikde897882006-10-01 07:31:09 -04005655 return i;
5656 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005657#endif
5658
5659 /* Always exit with success, as we are a library module
5660 * as well as a driver module
5661 */
5662 return 0;
5663}
5664
5665static void __exit airo_cleanup_module( void )
5666{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005667 struct airo_info *ai;
5668 while(!list_empty(&airo_devices)) {
5669 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5670 airo_print_info(ai->dev->name, "Unregistering...");
5671 stop_airo_card(ai->dev, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005672 }
5673#ifdef CONFIG_PCI
5674 pci_unregister_driver(&airo_driver);
5675#endif
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005676 remove_proc_entry("driver/aironet", NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005677}
5678
Linus Torvalds1da177e2005-04-16 15:20:36 -07005679/*
5680 * Initial Wireless Extension code for Aironet driver by :
5681 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5682 * Conversion to new driver API by :
5683 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5684 * Javier also did a good amount of work here, adding some new extensions
5685 * and fixing my code. Let's just say that without him this code just
5686 * would not work at all... - Jean II
5687 */
5688
Dan Williams41480af2005-05-10 09:45:51 -04005689static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5690{
5691 if( !rssi_rid )
5692 return 0;
5693
5694 return (0x100 - rssi_rid[rssi].rssidBm);
5695}
5696
5697static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5698{
5699 int i;
5700
5701 if( !rssi_rid )
5702 return 0;
5703
5704 for( i = 0; i < 256; i++ )
5705 if (rssi_rid[i].rssidBm == dbm)
5706 return rssi_rid[i].rssipct;
5707
5708 return 0;
5709}
5710
5711
Linus Torvalds1da177e2005-04-16 15:20:36 -07005712static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5713{
5714 int quality = 0;
Al Viro329e2c02007-12-20 22:58:57 -05005715 u16 sq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005716
Al Viro329e2c02007-12-20 22:58:57 -05005717 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
Al Viro56d81bd2007-12-20 17:18:35 -05005718 return 0;
5719
5720 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5721 return 0;
5722
Al Viro329e2c02007-12-20 22:58:57 -05005723 sq = le16_to_cpu(status_rid->signalQuality);
Al Viro56d81bd2007-12-20 17:18:35 -05005724 if (memcmp(cap_rid->prodName, "350", 3))
Al Viro329e2c02007-12-20 22:58:57 -05005725 if (sq > 0x20)
Al Viro56d81bd2007-12-20 17:18:35 -05005726 quality = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005727 else
Al Viro329e2c02007-12-20 22:58:57 -05005728 quality = 0x20 - sq;
Al Viro56d81bd2007-12-20 17:18:35 -05005729 else
Al Viro329e2c02007-12-20 22:58:57 -05005730 if (sq > 0xb0)
Al Viro56d81bd2007-12-20 17:18:35 -05005731 quality = 0;
Al Viro329e2c02007-12-20 22:58:57 -05005732 else if (sq < 0x10)
Al Viro56d81bd2007-12-20 17:18:35 -05005733 quality = 0xa0;
5734 else
Al Viro329e2c02007-12-20 22:58:57 -05005735 quality = 0xb0 - sq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005736 return quality;
5737}
5738
5739#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5740#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5741
5742/*------------------------------------------------------------------*/
5743/*
5744 * Wireless Handler : get protocol name
5745 */
5746static int airo_get_name(struct net_device *dev,
5747 struct iw_request_info *info,
5748 char *cwrq,
5749 char *extra)
5750{
5751 strcpy(cwrq, "IEEE 802.11-DS");
5752 return 0;
5753}
5754
5755/*------------------------------------------------------------------*/
5756/*
5757 * Wireless Handler : set frequency
5758 */
5759static int airo_set_freq(struct net_device *dev,
5760 struct iw_request_info *info,
5761 struct iw_freq *fwrq,
5762 char *extra)
5763{
5764 struct airo_info *local = dev->priv;
5765 int rc = -EINPROGRESS; /* Call commit handler */
5766
5767 /* If setting by frequency, convert to a channel */
5768 if((fwrq->e == 1) &&
5769 (fwrq->m >= (int) 2.412e8) &&
5770 (fwrq->m <= (int) 2.487e8)) {
5771 int f = fwrq->m / 100000;
5772 int c = 0;
5773 while((c < 14) && (f != frequency_list[c]))
5774 c++;
5775 /* Hack to fall through... */
5776 fwrq->e = 0;
5777 fwrq->m = c + 1;
5778 }
5779 /* Setting by channel number */
5780 if((fwrq->m > 1000) || (fwrq->e > 0))
5781 rc = -EOPNOTSUPP;
5782 else {
5783 int channel = fwrq->m;
5784 /* We should do a better check than that,
5785 * based on the card capability !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005786 if((channel < 1) || (channel > 14)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005787 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5788 fwrq->m);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005789 rc = -EINVAL;
5790 } else {
5791 readConfigRid(local, 1);
5792 /* Yes ! We can set it !!! */
Al Viro3eb9b412007-12-21 00:00:35 -05005793 local->config.channelSet = cpu_to_le16(channel);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005794 set_bit (FLAG_COMMIT, &local->flags);
5795 }
5796 }
5797 return rc;
5798}
5799
5800/*------------------------------------------------------------------*/
5801/*
5802 * Wireless Handler : get frequency
5803 */
5804static int airo_get_freq(struct net_device *dev,
5805 struct iw_request_info *info,
5806 struct iw_freq *fwrq,
5807 char *extra)
5808{
5809 struct airo_info *local = dev->priv;
5810 StatusRid status_rid; /* Card status info */
Javier Achirica2610c732006-01-17 08:01:01 -05005811 int ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005812
5813 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05005814 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5815 status_rid.channel = local->config.channelSet;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005816 else
5817 readStatusRid(local, &status_rid, 1);
5818
Al Viro329e2c02007-12-20 22:58:57 -05005819 ch = le16_to_cpu(status_rid.channel);
Javier Achirica2610c732006-01-17 08:01:01 -05005820 if((ch > 0) && (ch < 15)) {
5821 fwrq->m = frequency_list[ch - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005822 fwrq->e = 1;
Javier Achirica2610c732006-01-17 08:01:01 -05005823 } else {
5824 fwrq->m = ch;
5825 fwrq->e = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005826 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005827
5828 return 0;
5829}
5830
5831/*------------------------------------------------------------------*/
5832/*
5833 * Wireless Handler : set ESSID
5834 */
5835static int airo_set_essid(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_point *dwrq,
5838 char *extra)
5839{
5840 struct airo_info *local = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005841 SsidRid SSID_rid; /* SSIDs */
5842
5843 /* Reload the list of current SSID */
5844 readSsidRid(local, &SSID_rid);
5845
5846 /* Check if we asked for `any' */
5847 if(dwrq->flags == 0) {
5848 /* Just send an empty SSID list */
5849 memset(&SSID_rid, 0, sizeof(SSID_rid));
5850 } else {
5851 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5852
5853 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005854 if(dwrq->length > IW_ESSID_MAX_SIZE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005855 return -E2BIG ;
5856 }
5857 /* Check if index is valid */
5858 if((index < 0) || (index >= 4)) {
5859 return -EINVAL;
5860 }
5861
5862 /* Set the SSID */
5863 memset(SSID_rid.ssids[index].ssid, 0,
5864 sizeof(SSID_rid.ssids[index].ssid));
5865 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
Al Viro0dd22122007-12-17 16:11:57 -05005866 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005867 }
Al Viro0dd22122007-12-17 16:11:57 -05005868 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005869 /* Write it to the card */
5870 disable_MAC(local, 1);
5871 writeSsidRid(local, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005872 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005873
5874 return 0;
5875}
5876
5877/*------------------------------------------------------------------*/
5878/*
5879 * Wireless Handler : get ESSID
5880 */
5881static int airo_get_essid(struct net_device *dev,
5882 struct iw_request_info *info,
5883 struct iw_point *dwrq,
5884 char *extra)
5885{
5886 struct airo_info *local = dev->priv;
5887 StatusRid status_rid; /* Card status info */
5888
5889 readStatusRid(local, &status_rid, 1);
5890
5891 /* Note : if dwrq->flags != 0, we should
5892 * get the relevant SSID from the SSID list... */
5893
5894 /* Get the current SSID */
Al Viro329e2c02007-12-20 22:58:57 -05005895 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005896 /* If none, we may want to get the one that was set */
5897
5898 /* Push it out ! */
Al Viro329e2c02007-12-20 22:58:57 -05005899 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005900 dwrq->flags = 1; /* active */
5901
5902 return 0;
5903}
5904
5905/*------------------------------------------------------------------*/
5906/*
5907 * Wireless Handler : set AP address
5908 */
5909static int airo_set_wap(struct net_device *dev,
5910 struct iw_request_info *info,
5911 struct sockaddr *awrq,
5912 char *extra)
5913{
5914 struct airo_info *local = dev->priv;
5915 Cmd cmd;
5916 Resp rsp;
5917 APListRid APList_rid;
Dan Williams4be757d2006-01-30 11:58:00 -05005918 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5919 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07005920
5921 if (awrq->sa_family != ARPHRD_ETHER)
5922 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05005923 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5924 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005925 memset(&cmd, 0, sizeof(cmd));
5926 cmd.cmd=CMD_LOSE_SYNC;
5927 if (down_interruptible(&local->sem))
5928 return -ERESTARTSYS;
5929 issuecommand(local, &cmd, &rsp);
5930 up(&local->sem);
5931 } else {
5932 memset(&APList_rid, 0, sizeof(APList_rid));
Al Viroa7497162007-12-20 17:49:41 -05005933 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005934 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5935 disable_MAC(local, 1);
5936 writeAPListRid(local, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005937 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005938 }
5939 return 0;
5940}
5941
5942/*------------------------------------------------------------------*/
5943/*
5944 * Wireless Handler : get AP address
5945 */
5946static int airo_get_wap(struct net_device *dev,
5947 struct iw_request_info *info,
5948 struct sockaddr *awrq,
5949 char *extra)
5950{
5951 struct airo_info *local = dev->priv;
5952 StatusRid status_rid; /* Card status info */
5953
5954 readStatusRid(local, &status_rid, 1);
5955
5956 /* Tentative. This seems to work, wow, I'm lucky !!! */
5957 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5958 awrq->sa_family = ARPHRD_ETHER;
5959
5960 return 0;
5961}
5962
5963/*------------------------------------------------------------------*/
5964/*
5965 * Wireless Handler : set Nickname
5966 */
5967static int airo_set_nick(struct net_device *dev,
5968 struct iw_request_info *info,
5969 struct iw_point *dwrq,
5970 char *extra)
5971{
5972 struct airo_info *local = dev->priv;
5973
5974 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07005975 if(dwrq->length > 16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005976 return -E2BIG;
5977 }
5978 readConfigRid(local, 1);
5979 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5980 memcpy(local->config.nodeName, extra, dwrq->length);
5981 set_bit (FLAG_COMMIT, &local->flags);
5982
5983 return -EINPROGRESS; /* Call commit handler */
5984}
5985
5986/*------------------------------------------------------------------*/
5987/*
5988 * Wireless Handler : get Nickname
5989 */
5990static int airo_get_nick(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct iw_point *dwrq,
5993 char *extra)
5994{
5995 struct airo_info *local = dev->priv;
5996
5997 readConfigRid(local, 1);
5998 strncpy(extra, local->config.nodeName, 16);
5999 extra[16] = '\0';
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006000 dwrq->length = strlen(extra);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006001
6002 return 0;
6003}
6004
6005/*------------------------------------------------------------------*/
6006/*
6007 * Wireless Handler : set Bit-Rate
6008 */
6009static int airo_set_rate(struct net_device *dev,
6010 struct iw_request_info *info,
6011 struct iw_param *vwrq,
6012 char *extra)
6013{
6014 struct airo_info *local = dev->priv;
6015 CapabilityRid cap_rid; /* Card capability info */
6016 u8 brate = 0;
6017 int i;
6018
6019 /* First : get a valid bit rate value */
6020 readCapabilityRid(local, &cap_rid, 1);
6021
6022 /* Which type of value ? */
6023 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6024 /* Setting by rate index */
6025 /* Find value in the magic rate table */
6026 brate = cap_rid.supportedRates[vwrq->value];
6027 } else {
6028 /* Setting by frequency value */
6029 u8 normvalue = (u8) (vwrq->value/500000);
6030
6031 /* Check if rate is valid */
6032 for(i = 0 ; i < 8 ; i++) {
6033 if(normvalue == cap_rid.supportedRates[i]) {
6034 brate = normvalue;
6035 break;
6036 }
6037 }
6038 }
6039 /* -1 designed the max rate (mostly auto mode) */
6040 if(vwrq->value == -1) {
6041 /* Get the highest available rate */
6042 for(i = 0 ; i < 8 ; i++) {
6043 if(cap_rid.supportedRates[i] == 0)
6044 break;
6045 }
6046 if(i != 0)
6047 brate = cap_rid.supportedRates[i - 1];
6048 }
6049 /* Check that it is valid */
6050 if(brate == 0) {
6051 return -EINVAL;
6052 }
6053
6054 readConfigRid(local, 1);
6055 /* Now, check if we want a fixed or auto value */
6056 if(vwrq->fixed == 0) {
6057 /* Fill all the rates up to this max rate */
6058 memset(local->config.rates, 0, 8);
6059 for(i = 0 ; i < 8 ; i++) {
6060 local->config.rates[i] = cap_rid.supportedRates[i];
6061 if(local->config.rates[i] == brate)
6062 break;
6063 }
6064 } else {
6065 /* Fixed mode */
6066 /* One rate, fixed */
6067 memset(local->config.rates, 0, 8);
6068 local->config.rates[0] = brate;
6069 }
6070 set_bit (FLAG_COMMIT, &local->flags);
6071
6072 return -EINPROGRESS; /* Call commit handler */
6073}
6074
6075/*------------------------------------------------------------------*/
6076/*
6077 * Wireless Handler : get Bit-Rate
6078 */
6079static int airo_get_rate(struct net_device *dev,
6080 struct iw_request_info *info,
6081 struct iw_param *vwrq,
6082 char *extra)
6083{
6084 struct airo_info *local = dev->priv;
6085 StatusRid status_rid; /* Card status info */
6086
6087 readStatusRid(local, &status_rid, 1);
6088
Al Viro329e2c02007-12-20 22:58:57 -05006089 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006090 /* If more than one rate, set auto */
6091 readConfigRid(local, 1);
6092 vwrq->fixed = (local->config.rates[1] == 0);
6093
6094 return 0;
6095}
6096
6097/*------------------------------------------------------------------*/
6098/*
6099 * Wireless Handler : set RTS threshold
6100 */
6101static int airo_set_rts(struct net_device *dev,
6102 struct iw_request_info *info,
6103 struct iw_param *vwrq,
6104 char *extra)
6105{
6106 struct airo_info *local = dev->priv;
6107 int rthr = vwrq->value;
6108
6109 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006110 rthr = AIRO_DEF_MTU;
6111 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006112 return -EINVAL;
6113 }
6114 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006115 local->config.rtsThres = cpu_to_le16(rthr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006116 set_bit (FLAG_COMMIT, &local->flags);
6117
6118 return -EINPROGRESS; /* Call commit handler */
6119}
6120
6121/*------------------------------------------------------------------*/
6122/*
6123 * Wireless Handler : get RTS threshold
6124 */
6125static int airo_get_rts(struct net_device *dev,
6126 struct iw_request_info *info,
6127 struct iw_param *vwrq,
6128 char *extra)
6129{
6130 struct airo_info *local = dev->priv;
6131
6132 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006133 vwrq->value = le16_to_cpu(local->config.rtsThres);
Dan Williams15db2762006-03-16 13:46:27 -05006134 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006135 vwrq->fixed = 1;
6136
6137 return 0;
6138}
6139
6140/*------------------------------------------------------------------*/
6141/*
6142 * Wireless Handler : set Fragmentation threshold
6143 */
6144static int airo_set_frag(struct net_device *dev,
6145 struct iw_request_info *info,
6146 struct iw_param *vwrq,
6147 char *extra)
6148{
6149 struct airo_info *local = dev->priv;
6150 int fthr = vwrq->value;
6151
6152 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006153 fthr = AIRO_DEF_MTU;
6154 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006155 return -EINVAL;
6156 }
6157 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6158 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006159 local->config.fragThresh = cpu_to_le16(fthr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006160 set_bit (FLAG_COMMIT, &local->flags);
6161
6162 return -EINPROGRESS; /* Call commit handler */
6163}
6164
6165/*------------------------------------------------------------------*/
6166/*
6167 * Wireless Handler : get Fragmentation threshold
6168 */
6169static int airo_get_frag(struct net_device *dev,
6170 struct iw_request_info *info,
6171 struct iw_param *vwrq,
6172 char *extra)
6173{
6174 struct airo_info *local = dev->priv;
6175
6176 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006177 vwrq->value = le16_to_cpu(local->config.fragThresh);
Dan Williams15db2762006-03-16 13:46:27 -05006178 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006179 vwrq->fixed = 1;
6180
6181 return 0;
6182}
6183
6184/*------------------------------------------------------------------*/
6185/*
6186 * Wireless Handler : set Mode of Operation
6187 */
6188static int airo_set_mode(struct net_device *dev,
6189 struct iw_request_info *info,
6190 __u32 *uwrq,
6191 char *extra)
6192{
6193 struct airo_info *local = dev->priv;
6194 int reset = 0;
6195
6196 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006197 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006198 reset = 1;
6199
6200 switch(*uwrq) {
6201 case IW_MODE_ADHOC:
Al Viro3eb9b412007-12-21 00:00:35 -05006202 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006203 local->config.opmode |= MODE_STA_IBSS;
Al Viro3eb9b412007-12-21 00:00:35 -05006204 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006205 local->config.scanMode = SCANMODE_ACTIVE;
6206 clear_bit (FLAG_802_11, &local->flags);
6207 break;
6208 case IW_MODE_INFRA:
Al Viro3eb9b412007-12-21 00:00:35 -05006209 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006210 local->config.opmode |= MODE_STA_ESS;
Al Viro3eb9b412007-12-21 00:00:35 -05006211 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006212 local->config.scanMode = SCANMODE_ACTIVE;
6213 clear_bit (FLAG_802_11, &local->flags);
6214 break;
6215 case IW_MODE_MASTER:
Al Viro3eb9b412007-12-21 00:00:35 -05006216 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006217 local->config.opmode |= MODE_AP;
Al Viro3eb9b412007-12-21 00:00:35 -05006218 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006219 local->config.scanMode = SCANMODE_ACTIVE;
6220 clear_bit (FLAG_802_11, &local->flags);
6221 break;
6222 case IW_MODE_REPEAT:
Al Viro3eb9b412007-12-21 00:00:35 -05006223 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006224 local->config.opmode |= MODE_AP_RPTR;
Al Viro3eb9b412007-12-21 00:00:35 -05006225 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006226 local->config.scanMode = SCANMODE_ACTIVE;
6227 clear_bit (FLAG_802_11, &local->flags);
6228 break;
6229 case IW_MODE_MONITOR:
Al Viro3eb9b412007-12-21 00:00:35 -05006230 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006231 local->config.opmode |= MODE_STA_ESS;
Al Viro3eb9b412007-12-21 00:00:35 -05006232 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006233 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6234 local->config.scanMode = SCANMODE_PASSIVE;
6235 set_bit (FLAG_802_11, &local->flags);
6236 break;
6237 default:
6238 return -EINVAL;
6239 }
6240 if (reset)
6241 set_bit (FLAG_RESET, &local->flags);
6242 set_bit (FLAG_COMMIT, &local->flags);
6243
6244 return -EINPROGRESS; /* Call commit handler */
6245}
6246
6247/*------------------------------------------------------------------*/
6248/*
6249 * Wireless Handler : get Mode of Operation
6250 */
6251static int airo_get_mode(struct net_device *dev,
6252 struct iw_request_info *info,
6253 __u32 *uwrq,
6254 char *extra)
6255{
6256 struct airo_info *local = dev->priv;
6257
6258 readConfigRid(local, 1);
6259 /* If not managed, assume it's ad-hoc */
Al Viro3eb9b412007-12-21 00:00:35 -05006260 switch (local->config.opmode & MODE_CFG_MASK) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006261 case MODE_STA_ESS:
6262 *uwrq = IW_MODE_INFRA;
6263 break;
6264 case MODE_AP:
6265 *uwrq = IW_MODE_MASTER;
6266 break;
6267 case MODE_AP_RPTR:
6268 *uwrq = IW_MODE_REPEAT;
6269 break;
6270 default:
6271 *uwrq = IW_MODE_ADHOC;
6272 }
6273
6274 return 0;
6275}
6276
Al Viro56d81bd2007-12-20 17:18:35 -05006277static inline int valid_index(CapabilityRid *p, int index)
6278{
6279 if (index < 0)
6280 return 0;
6281 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6282}
6283
Linus Torvalds1da177e2005-04-16 15:20:36 -07006284/*------------------------------------------------------------------*/
6285/*
6286 * Wireless Handler : set Encryption Key
6287 */
6288static int airo_set_encode(struct net_device *dev,
6289 struct iw_request_info *info,
6290 struct iw_point *dwrq,
6291 char *extra)
6292{
6293 struct airo_info *local = dev->priv;
6294 CapabilityRid cap_rid; /* Card capability info */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006295 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
Al Viro3eb9b412007-12-21 00:00:35 -05006296 __le16 currentAuthType = local->config.authType;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006297
6298 /* Is WEP supported ? */
6299 readCapabilityRid(local, &cap_rid, 1);
6300 /* Older firmware doesn't support this...
Al Viro56d81bd2007-12-20 17:18:35 -05006301 if(!(cap_rid.softCap & cpu_to_le16(2))) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006302 return -EOPNOTSUPP;
6303 } */
6304 readConfigRid(local, 1);
6305
6306 /* Basic checking: do we have a key to set ?
6307 * Note : with the new API, it's impossible to get a NULL pointer.
6308 * Therefore, we need to check a key size == 0 instead.
6309 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6310 * when no key is present (only change flags), but older versions
6311 * don't do it. - Jean II */
6312 if (dwrq->length > 0) {
6313 wep_key_t key;
6314 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6315 int current_index = get_wep_key(local, 0xffff);
6316 /* Check the size of the key */
6317 if (dwrq->length > MAX_KEY_SIZE) {
6318 return -EINVAL;
6319 }
6320 /* Check the index (none -> use current) */
Al Viro56d81bd2007-12-20 17:18:35 -05006321 if (!valid_index(&cap_rid, index))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006322 index = current_index;
6323 /* Set the length */
6324 if (dwrq->length > MIN_KEY_SIZE)
6325 key.len = MAX_KEY_SIZE;
6326 else
6327 if (dwrq->length > 0)
6328 key.len = MIN_KEY_SIZE;
6329 else
6330 /* Disable the key */
6331 key.len = 0;
6332 /* Check if the key is not marked as invalid */
6333 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6334 /* Cleanup */
6335 memset(key.key, 0, MAX_KEY_SIZE);
6336 /* Copy the key in the driver */
6337 memcpy(key.key, extra, dwrq->length);
6338 /* Send the key to the card */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006339 set_wep_key(local, index, key.key, key.len, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006340 }
6341 /* WE specify that if a valid key is set, encryption
6342 * should be enabled (user may turn it off later)
6343 * This is also how "iwconfig ethX key on" works */
6344 if((index == current_index) && (key.len > 0) &&
6345 (local->config.authType == AUTH_OPEN)) {
6346 local->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006347 }
6348 } else {
6349 /* Do we want to just set the transmit key index ? */
6350 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
Al Viro56d81bd2007-12-20 17:18:35 -05006351 if (valid_index(&cap_rid, index)) {
Dan Streetmanf89b2322005-11-11 11:41:42 -05006352 set_wep_key(local, index, NULL, 0, perm, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006353 } else
6354 /* Don't complain if only change the mode */
Jeff Garzik93a3b602007-11-23 21:50:20 -05006355 if (!(dwrq->flags & IW_ENCODE_MODE))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006356 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006357 }
6358 /* Read the flags */
6359 if(dwrq->flags & IW_ENCODE_DISABLED)
6360 local->config.authType = AUTH_OPEN; // disable encryption
6361 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6362 local->config.authType = AUTH_SHAREDKEY; // Only Both
6363 if(dwrq->flags & IW_ENCODE_OPEN)
6364 local->config.authType = AUTH_ENCRYPT; // Only Wep
6365 /* Commit the changes to flags if needed */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006366 if (local->config.authType != currentAuthType)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006367 set_bit (FLAG_COMMIT, &local->flags);
6368 return -EINPROGRESS; /* Call commit handler */
6369}
6370
6371/*------------------------------------------------------------------*/
6372/*
6373 * Wireless Handler : get Encryption Key
6374 */
6375static int airo_get_encode(struct net_device *dev,
6376 struct iw_request_info *info,
6377 struct iw_point *dwrq,
6378 char *extra)
6379{
6380 struct airo_info *local = dev->priv;
6381 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6382 CapabilityRid cap_rid; /* Card capability info */
6383
6384 /* Is it supported ? */
6385 readCapabilityRid(local, &cap_rid, 1);
Al Viro56d81bd2007-12-20 17:18:35 -05006386 if(!(cap_rid.softCap & cpu_to_le16(2))) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006387 return -EOPNOTSUPP;
6388 }
6389 readConfigRid(local, 1);
6390 /* Check encryption mode */
6391 switch(local->config.authType) {
6392 case AUTH_ENCRYPT:
6393 dwrq->flags = IW_ENCODE_OPEN;
6394 break;
6395 case AUTH_SHAREDKEY:
6396 dwrq->flags = IW_ENCODE_RESTRICTED;
6397 break;
6398 default:
6399 case AUTH_OPEN:
6400 dwrq->flags = IW_ENCODE_DISABLED;
6401 break;
6402 }
6403 /* We can't return the key, so set the proper flag and return zero */
6404 dwrq->flags |= IW_ENCODE_NOKEY;
6405 memset(extra, 0, 16);
6406
6407 /* Which key do we want ? -1 -> tx index */
Al Viro56d81bd2007-12-20 17:18:35 -05006408 if (!valid_index(&cap_rid, index))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006409 index = get_wep_key(local, 0xffff);
6410 dwrq->flags |= index + 1;
6411 /* Copy the key to the user buffer */
6412 dwrq->length = get_wep_key(local, index);
6413 if (dwrq->length > 16) {
6414 dwrq->length=0;
6415 }
6416 return 0;
6417}
6418
6419/*------------------------------------------------------------------*/
6420/*
Dan Williams4be757d2006-01-30 11:58:00 -05006421 * Wireless Handler : set extended Encryption parameters
6422 */
6423static int airo_set_encodeext(struct net_device *dev,
6424 struct iw_request_info *info,
6425 union iwreq_data *wrqu,
6426 char *extra)
6427{
6428 struct airo_info *local = dev->priv;
6429 struct iw_point *encoding = &wrqu->encoding;
6430 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6431 CapabilityRid cap_rid; /* Card capability info */
6432 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
Al Viro3eb9b412007-12-21 00:00:35 -05006433 __le16 currentAuthType = local->config.authType;
Dan Williams22d88462006-02-05 18:00:30 -05006434 int idx, key_len, alg = ext->alg, set_key = 1;
Dan Williams4be757d2006-01-30 11:58:00 -05006435 wep_key_t key;
6436
6437 /* Is WEP supported ? */
6438 readCapabilityRid(local, &cap_rid, 1);
6439 /* Older firmware doesn't support this...
Al Viro56d81bd2007-12-20 17:18:35 -05006440 if(!(cap_rid.softCap & cpu_to_le16(2))) {
Dan Williams4be757d2006-01-30 11:58:00 -05006441 return -EOPNOTSUPP;
6442 } */
6443 readConfigRid(local, 1);
6444
6445 /* Determine and validate the key index */
6446 idx = encoding->flags & IW_ENCODE_INDEX;
6447 if (idx) {
Al Viro56d81bd2007-12-20 17:18:35 -05006448 if (!valid_index(&cap_rid, idx - 1))
Dan Williams4be757d2006-01-30 11:58:00 -05006449 return -EINVAL;
6450 idx--;
6451 } else
6452 idx = get_wep_key(local, 0xffff);
6453
6454 if (encoding->flags & IW_ENCODE_DISABLED)
6455 alg = IW_ENCODE_ALG_NONE;
6456
Dan Williams4be757d2006-01-30 11:58:00 -05006457 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
Dan Williams22d88462006-02-05 18:00:30 -05006458 /* Only set transmit key index here, actual
6459 * key is set below if needed.
6460 */
Dan Williams4be757d2006-01-30 11:58:00 -05006461 set_wep_key(local, idx, NULL, 0, perm, 1);
Dan Williams22d88462006-02-05 18:00:30 -05006462 set_key = ext->key_len > 0 ? 1 : 0;
6463 }
6464
6465 if (set_key) {
Dan Williams4be757d2006-01-30 11:58:00 -05006466 /* Set the requested key first */
6467 memset(key.key, 0, MAX_KEY_SIZE);
6468 switch (alg) {
6469 case IW_ENCODE_ALG_NONE:
6470 key.len = 0;
6471 break;
6472 case IW_ENCODE_ALG_WEP:
6473 if (ext->key_len > MIN_KEY_SIZE) {
6474 key.len = MAX_KEY_SIZE;
6475 } else if (ext->key_len > 0) {
6476 key.len = MIN_KEY_SIZE;
6477 } else {
6478 return -EINVAL;
6479 }
6480 key_len = min (ext->key_len, key.len);
6481 memcpy(key.key, ext->key, key_len);
6482 break;
6483 default:
6484 return -EINVAL;
6485 }
6486 /* Send the key to the card */
6487 set_wep_key(local, idx, key.key, key.len, perm, 1);
6488 }
6489
6490 /* Read the flags */
6491 if(encoding->flags & IW_ENCODE_DISABLED)
6492 local->config.authType = AUTH_OPEN; // disable encryption
6493 if(encoding->flags & IW_ENCODE_RESTRICTED)
6494 local->config.authType = AUTH_SHAREDKEY; // Only Both
6495 if(encoding->flags & IW_ENCODE_OPEN)
6496 local->config.authType = AUTH_ENCRYPT; // Only Wep
6497 /* Commit the changes to flags if needed */
6498 if (local->config.authType != currentAuthType)
6499 set_bit (FLAG_COMMIT, &local->flags);
6500
6501 return -EINPROGRESS;
6502}
6503
6504
6505/*------------------------------------------------------------------*/
6506/*
6507 * Wireless Handler : get extended Encryption parameters
6508 */
6509static int airo_get_encodeext(struct net_device *dev,
6510 struct iw_request_info *info,
6511 union iwreq_data *wrqu,
6512 char *extra)
6513{
6514 struct airo_info *local = dev->priv;
6515 struct iw_point *encoding = &wrqu->encoding;
6516 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6517 CapabilityRid cap_rid; /* Card capability info */
6518 int idx, max_key_len;
6519
6520 /* Is it supported ? */
6521 readCapabilityRid(local, &cap_rid, 1);
Al Viro56d81bd2007-12-20 17:18:35 -05006522 if(!(cap_rid.softCap & cpu_to_le16(2))) {
Dan Williams4be757d2006-01-30 11:58:00 -05006523 return -EOPNOTSUPP;
6524 }
6525 readConfigRid(local, 1);
6526
6527 max_key_len = encoding->length - sizeof(*ext);
6528 if (max_key_len < 0)
6529 return -EINVAL;
6530
6531 idx = encoding->flags & IW_ENCODE_INDEX;
6532 if (idx) {
Al Viro56d81bd2007-12-20 17:18:35 -05006533 if (!valid_index(&cap_rid, idx - 1))
Dan Williams4be757d2006-01-30 11:58:00 -05006534 return -EINVAL;
6535 idx--;
6536 } else
6537 idx = get_wep_key(local, 0xffff);
6538
6539 encoding->flags = idx + 1;
6540 memset(ext, 0, sizeof(*ext));
6541
6542 /* Check encryption mode */
6543 switch(local->config.authType) {
6544 case AUTH_ENCRYPT:
6545 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6546 break;
6547 case AUTH_SHAREDKEY:
6548 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6549 break;
6550 default:
6551 case AUTH_OPEN:
6552 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6553 break;
6554 }
6555 /* We can't return the key, so set the proper flag and return zero */
6556 encoding->flags |= IW_ENCODE_NOKEY;
6557 memset(extra, 0, 16);
6558
6559 /* Copy the key to the user buffer */
6560 ext->key_len = get_wep_key(local, idx);
6561 if (ext->key_len > 16) {
6562 ext->key_len=0;
6563 }
6564
6565 return 0;
6566}
6567
6568
6569/*------------------------------------------------------------------*/
6570/*
6571 * Wireless Handler : set extended authentication parameters
6572 */
6573static int airo_set_auth(struct net_device *dev,
6574 struct iw_request_info *info,
6575 union iwreq_data *wrqu, char *extra)
6576{
6577 struct airo_info *local = dev->priv;
6578 struct iw_param *param = &wrqu->param;
Al Viro3eb9b412007-12-21 00:00:35 -05006579 __le16 currentAuthType = local->config.authType;
Dan Williams4be757d2006-01-30 11:58:00 -05006580
6581 switch (param->flags & IW_AUTH_INDEX) {
6582 case IW_AUTH_WPA_VERSION:
6583 case IW_AUTH_CIPHER_PAIRWISE:
6584 case IW_AUTH_CIPHER_GROUP:
6585 case IW_AUTH_KEY_MGMT:
6586 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6587 case IW_AUTH_PRIVACY_INVOKED:
6588 /*
6589 * airo does not use these parameters
6590 */
6591 break;
6592
6593 case IW_AUTH_DROP_UNENCRYPTED:
6594 if (param->value) {
6595 /* Only change auth type if unencrypted */
6596 if (currentAuthType == AUTH_OPEN)
6597 local->config.authType = AUTH_ENCRYPT;
6598 } else {
6599 local->config.authType = AUTH_OPEN;
6600 }
6601
6602 /* Commit the changes to flags if needed */
6603 if (local->config.authType != currentAuthType)
6604 set_bit (FLAG_COMMIT, &local->flags);
6605 break;
6606
6607 case IW_AUTH_80211_AUTH_ALG: {
6608 /* FIXME: What about AUTH_OPEN? This API seems to
6609 * disallow setting our auth to AUTH_OPEN.
6610 */
6611 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6612 local->config.authType = AUTH_SHAREDKEY;
6613 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6614 local->config.authType = AUTH_ENCRYPT;
6615 } else
6616 return -EINVAL;
6617 break;
6618
6619 /* Commit the changes to flags if needed */
6620 if (local->config.authType != currentAuthType)
6621 set_bit (FLAG_COMMIT, &local->flags);
6622 }
6623
6624 case IW_AUTH_WPA_ENABLED:
6625 /* Silently accept disable of WPA */
6626 if (param->value > 0)
6627 return -EOPNOTSUPP;
6628 break;
6629
6630 default:
6631 return -EOPNOTSUPP;
6632 }
6633 return -EINPROGRESS;
6634}
6635
6636
6637/*------------------------------------------------------------------*/
6638/*
6639 * Wireless Handler : get extended authentication parameters
6640 */
6641static int airo_get_auth(struct net_device *dev,
6642 struct iw_request_info *info,
6643 union iwreq_data *wrqu, char *extra)
6644{
6645 struct airo_info *local = dev->priv;
6646 struct iw_param *param = &wrqu->param;
Al Viro3eb9b412007-12-21 00:00:35 -05006647 __le16 currentAuthType = local->config.authType;
Dan Williams4be757d2006-01-30 11:58:00 -05006648
6649 switch (param->flags & IW_AUTH_INDEX) {
6650 case IW_AUTH_DROP_UNENCRYPTED:
6651 switch (currentAuthType) {
6652 case AUTH_SHAREDKEY:
6653 case AUTH_ENCRYPT:
6654 param->value = 1;
6655 break;
6656 default:
6657 param->value = 0;
6658 break;
6659 }
6660 break;
6661
6662 case IW_AUTH_80211_AUTH_ALG:
6663 switch (currentAuthType) {
6664 case AUTH_SHAREDKEY:
6665 param->value = IW_AUTH_ALG_SHARED_KEY;
6666 break;
6667 case AUTH_ENCRYPT:
6668 default:
6669 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6670 break;
6671 }
6672 break;
6673
6674 case IW_AUTH_WPA_ENABLED:
6675 param->value = 0;
6676 break;
6677
6678 default:
6679 return -EOPNOTSUPP;
6680 }
6681 return 0;
6682}
6683
6684
6685/*------------------------------------------------------------------*/
6686/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07006687 * Wireless Handler : set Tx-Power
6688 */
6689static int airo_set_txpow(struct net_device *dev,
6690 struct iw_request_info *info,
6691 struct iw_param *vwrq,
6692 char *extra)
6693{
6694 struct airo_info *local = dev->priv;
6695 CapabilityRid cap_rid; /* Card capability info */
6696 int i;
6697 int rc = -EINVAL;
Al Viro3eb9b412007-12-21 00:00:35 -05006698 __le16 v = cpu_to_le16(vwrq->value);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006699
6700 readCapabilityRid(local, &cap_rid, 1);
6701
6702 if (vwrq->disabled) {
6703 set_bit (FLAG_RADIO_OFF, &local->flags);
6704 set_bit (FLAG_COMMIT, &local->flags);
6705 return -EINPROGRESS; /* Call commit handler */
6706 }
6707 if (vwrq->flags != IW_TXPOW_MWATT) {
6708 return -EINVAL;
6709 }
6710 clear_bit (FLAG_RADIO_OFF, &local->flags);
6711 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
Al Viro3eb9b412007-12-21 00:00:35 -05006712 if (v == cap_rid.txPowerLevels[i]) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006713 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006714 local->config.txPower = v;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006715 set_bit (FLAG_COMMIT, &local->flags);
6716 rc = -EINPROGRESS; /* Call commit handler */
6717 break;
6718 }
6719 return rc;
6720}
6721
6722/*------------------------------------------------------------------*/
6723/*
6724 * Wireless Handler : get Tx-Power
6725 */
6726static int airo_get_txpow(struct net_device *dev,
6727 struct iw_request_info *info,
6728 struct iw_param *vwrq,
6729 char *extra)
6730{
6731 struct airo_info *local = dev->priv;
6732
6733 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006734 vwrq->value = le16_to_cpu(local->config.txPower);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006735 vwrq->fixed = 1; /* No power control */
6736 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6737 vwrq->flags = IW_TXPOW_MWATT;
6738
6739 return 0;
6740}
6741
6742/*------------------------------------------------------------------*/
6743/*
6744 * Wireless Handler : set Retry limits
6745 */
6746static int airo_set_retry(struct net_device *dev,
6747 struct iw_request_info *info,
6748 struct iw_param *vwrq,
6749 char *extra)
6750{
6751 struct airo_info *local = dev->priv;
6752 int rc = -EINVAL;
6753
6754 if(vwrq->disabled) {
6755 return -EINVAL;
6756 }
6757 readConfigRid(local, 1);
6758 if(vwrq->flags & IW_RETRY_LIMIT) {
Al Viro3eb9b412007-12-21 00:00:35 -05006759 __le16 v = cpu_to_le16(vwrq->value);
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006760 if(vwrq->flags & IW_RETRY_LONG)
Al Viro3eb9b412007-12-21 00:00:35 -05006761 local->config.longRetryLimit = v;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006762 else if (vwrq->flags & IW_RETRY_SHORT)
Al Viro3eb9b412007-12-21 00:00:35 -05006763 local->config.shortRetryLimit = v;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006764 else {
6765 /* No modifier : set both */
Al Viro3eb9b412007-12-21 00:00:35 -05006766 local->config.longRetryLimit = v;
6767 local->config.shortRetryLimit = v;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006768 }
6769 set_bit (FLAG_COMMIT, &local->flags);
6770 rc = -EINPROGRESS; /* Call commit handler */
6771 }
6772 if(vwrq->flags & IW_RETRY_LIFETIME) {
Al Viro3eb9b412007-12-21 00:00:35 -05006773 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006774 set_bit (FLAG_COMMIT, &local->flags);
6775 rc = -EINPROGRESS; /* Call commit handler */
6776 }
6777 return rc;
6778}
6779
6780/*------------------------------------------------------------------*/
6781/*
6782 * Wireless Handler : get Retry limits
6783 */
6784static int airo_get_retry(struct net_device *dev,
6785 struct iw_request_info *info,
6786 struct iw_param *vwrq,
6787 char *extra)
6788{
6789 struct airo_info *local = dev->priv;
6790
6791 vwrq->disabled = 0; /* Can't be disabled */
6792
6793 readConfigRid(local, 1);
6794 /* Note : by default, display the min retry number */
6795 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6796 vwrq->flags = IW_RETRY_LIFETIME;
Al Viro3eb9b412007-12-21 00:00:35 -05006797 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006798 } else if((vwrq->flags & IW_RETRY_LONG)) {
6799 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
Al Viro3eb9b412007-12-21 00:00:35 -05006800 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006801 } else {
6802 vwrq->flags = IW_RETRY_LIMIT;
Al Viro3eb9b412007-12-21 00:00:35 -05006803 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6804 if(local->config.shortRetryLimit != local->config.longRetryLimit)
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006805 vwrq->flags |= IW_RETRY_SHORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006806 }
6807
6808 return 0;
6809}
6810
6811/*------------------------------------------------------------------*/
6812/*
6813 * Wireless Handler : get range info
6814 */
6815static int airo_get_range(struct net_device *dev,
6816 struct iw_request_info *info,
6817 struct iw_point *dwrq,
6818 char *extra)
6819{
6820 struct airo_info *local = dev->priv;
6821 struct iw_range *range = (struct iw_range *) extra;
6822 CapabilityRid cap_rid; /* Card capability info */
6823 int i;
6824 int k;
6825
6826 readCapabilityRid(local, &cap_rid, 1);
6827
6828 dwrq->length = sizeof(struct iw_range);
6829 memset(range, 0, sizeof(*range));
6830 range->min_nwid = 0x0000;
6831 range->max_nwid = 0x0000;
6832 range->num_channels = 14;
6833 /* Should be based on cap_rid.country to give only
6834 * what the current card support */
6835 k = 0;
6836 for(i = 0; i < 14; i++) {
6837 range->freq[k].i = i + 1; /* List index */
6838 range->freq[k].m = frequency_list[i] * 100000;
6839 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6840 }
6841 range->num_frequency = k;
6842
Linus Torvalds1da177e2005-04-16 15:20:36 -07006843 range->sensitivity = 65535;
6844
Dan Williams41480af2005-05-10 09:45:51 -04006845 /* Hum... Should put the right values there */
6846 if (local->rssi)
6847 range->max_qual.qual = 100; /* % */
6848 else
6849 range->max_qual.qual = airo_get_max_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006850 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6851 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006852
6853 /* Experimental measurements - boundary 11/5.5 Mb/s */
6854 /* Note : with or without the (local->rssi), results
6855 * are somewhat different. - Jean II */
6856 if (local->rssi) {
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006857 range->avg_qual.qual = 50; /* % */
6858 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006859 } else {
6860 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006861 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006862 }
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006863 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006864
Linus Torvalds1da177e2005-04-16 15:20:36 -07006865 for(i = 0 ; i < 8 ; i++) {
6866 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6867 if(range->bitrate[i] == 0)
6868 break;
6869 }
6870 range->num_bitrates = i;
6871
6872 /* Set an indication of the max TCP throughput
6873 * in bit/s that we can expect using this interface.
6874 * May be use for QoS stuff... Jean II */
6875 if(i > 2)
6876 range->throughput = 5000 * 1000;
6877 else
6878 range->throughput = 1500 * 1000;
6879
6880 range->min_rts = 0;
Dan Williams15db2762006-03-16 13:46:27 -05006881 range->max_rts = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006882 range->min_frag = 256;
Dan Williams15db2762006-03-16 13:46:27 -05006883 range->max_frag = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006884
Al Viro56d81bd2007-12-20 17:18:35 -05006885 if(cap_rid.softCap & cpu_to_le16(2)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006886 // WEP: RC4 40 bits
6887 range->encoding_size[0] = 5;
6888 // RC4 ~128 bits
Al Viro56d81bd2007-12-20 17:18:35 -05006889 if (cap_rid.softCap & cpu_to_le16(0x100)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006890 range->encoding_size[1] = 13;
6891 range->num_encoding_sizes = 2;
6892 } else
6893 range->num_encoding_sizes = 1;
Al Viro56d81bd2007-12-20 17:18:35 -05006894 range->max_encoding_tokens =
6895 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006896 } else {
6897 range->num_encoding_sizes = 0;
6898 range->max_encoding_tokens = 0;
6899 }
6900 range->min_pmp = 0;
6901 range->max_pmp = 5000000; /* 5 secs */
6902 range->min_pmt = 0;
6903 range->max_pmt = 65535 * 1024; /* ??? */
6904 range->pmp_flags = IW_POWER_PERIOD;
6905 range->pmt_flags = IW_POWER_TIMEOUT;
6906 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6907
6908 /* Transmit Power - values are in mW */
6909 for(i = 0 ; i < 8 ; i++) {
Al Viro56d81bd2007-12-20 17:18:35 -05006910 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006911 if(range->txpower[i] == 0)
6912 break;
6913 }
6914 range->num_txpower = i;
6915 range->txpower_capa = IW_TXPOW_MWATT;
Dan Williams3c304952006-04-15 12:26:18 -04006916 range->we_version_source = 19;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006917 range->we_version_compiled = WIRELESS_EXT;
6918 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6919 range->retry_flags = IW_RETRY_LIMIT;
6920 range->r_time_flags = IW_RETRY_LIFETIME;
6921 range->min_retry = 1;
6922 range->max_retry = 65535;
6923 range->min_r_time = 1024;
6924 range->max_r_time = 65535 * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006925
6926 /* Event capability (kernel + driver) */
6927 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6928 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6929 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6930 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6931 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6932 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6933 return 0;
6934}
6935
6936/*------------------------------------------------------------------*/
6937/*
6938 * Wireless Handler : set Power Management
6939 */
6940static int airo_set_power(struct net_device *dev,
6941 struct iw_request_info *info,
6942 struct iw_param *vwrq,
6943 char *extra)
6944{
6945 struct airo_info *local = dev->priv;
6946
6947 readConfigRid(local, 1);
6948 if (vwrq->disabled) {
Al Viro3eb9b412007-12-21 00:00:35 -05006949 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006950 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006951 local->config.powerSaveMode = POWERSAVE_CAM;
Al Viro3eb9b412007-12-21 00:00:35 -05006952 local->config.rmode &= ~RXMODE_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006953 local->config.rmode |= RXMODE_BC_MC_ADDR;
6954 set_bit (FLAG_COMMIT, &local->flags);
6955 return -EINPROGRESS; /* Call commit handler */
6956 }
6957 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
Al Viro3eb9b412007-12-21 00:00:35 -05006958 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006959 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6960 set_bit (FLAG_COMMIT, &local->flags);
6961 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
Al Viro3eb9b412007-12-21 00:00:35 -05006962 local->config.fastListenInterval =
6963 local->config.listenInterval =
6964 cpu_to_le16((vwrq->value + 500) / 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006965 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6966 set_bit (FLAG_COMMIT, &local->flags);
6967 }
6968 switch (vwrq->flags & IW_POWER_MODE) {
6969 case IW_POWER_UNICAST_R:
Al Viro3eb9b412007-12-21 00:00:35 -05006970 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006971 return -EINVAL;
Al Viro3eb9b412007-12-21 00:00:35 -05006972 local->config.rmode &= ~RXMODE_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006973 local->config.rmode |= RXMODE_ADDR;
6974 set_bit (FLAG_COMMIT, &local->flags);
6975 break;
6976 case IW_POWER_ALL_R:
Al Viro3eb9b412007-12-21 00:00:35 -05006977 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006978 return -EINVAL;
Al Viro3eb9b412007-12-21 00:00:35 -05006979 local->config.rmode &= ~RXMODE_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006980 local->config.rmode |= RXMODE_BC_MC_ADDR;
6981 set_bit (FLAG_COMMIT, &local->flags);
6982 case IW_POWER_ON:
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006983 /* This is broken, fixme ;-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07006984 break;
6985 default:
6986 return -EINVAL;
6987 }
6988 // Note : we may want to factor local->need_commit here
6989 // Note2 : may also want to factor RXMODE_RFMON test
6990 return -EINPROGRESS; /* Call commit handler */
6991}
6992
6993/*------------------------------------------------------------------*/
6994/*
6995 * Wireless Handler : get Power Management
6996 */
6997static int airo_get_power(struct net_device *dev,
6998 struct iw_request_info *info,
6999 struct iw_param *vwrq,
7000 char *extra)
7001{
7002 struct airo_info *local = dev->priv;
Al Viro3eb9b412007-12-21 00:00:35 -05007003 __le16 mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007004
7005 readConfigRid(local, 1);
7006 mode = local->config.powerSaveMode;
7007 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7008 return 0;
7009 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
Al Viro3eb9b412007-12-21 00:00:35 -05007010 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007011 vwrq->flags = IW_POWER_TIMEOUT;
7012 } else {
Al Viro3eb9b412007-12-21 00:00:35 -05007013 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007014 vwrq->flags = IW_POWER_PERIOD;
7015 }
Al Viro3eb9b412007-12-21 00:00:35 -05007016 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007017 vwrq->flags |= IW_POWER_UNICAST_R;
7018 else
7019 vwrq->flags |= IW_POWER_ALL_R;
7020
7021 return 0;
7022}
7023
7024/*------------------------------------------------------------------*/
7025/*
7026 * Wireless Handler : set Sensitivity
7027 */
7028static int airo_set_sens(struct net_device *dev,
7029 struct iw_request_info *info,
7030 struct iw_param *vwrq,
7031 char *extra)
7032{
7033 struct airo_info *local = dev->priv;
7034
7035 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05007036 local->config.rssiThreshold =
7037 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007038 set_bit (FLAG_COMMIT, &local->flags);
7039
7040 return -EINPROGRESS; /* Call commit handler */
7041}
7042
7043/*------------------------------------------------------------------*/
7044/*
7045 * Wireless Handler : get Sensitivity
7046 */
7047static int airo_get_sens(struct net_device *dev,
7048 struct iw_request_info *info,
7049 struct iw_param *vwrq,
7050 char *extra)
7051{
7052 struct airo_info *local = dev->priv;
7053
7054 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05007055 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007056 vwrq->disabled = (vwrq->value == 0);
7057 vwrq->fixed = 1;
7058
7059 return 0;
7060}
7061
7062/*------------------------------------------------------------------*/
7063/*
7064 * Wireless Handler : get AP List
7065 * Note : this is deprecated in favor of IWSCAN
7066 */
7067static int airo_get_aplist(struct net_device *dev,
7068 struct iw_request_info *info,
7069 struct iw_point *dwrq,
7070 char *extra)
7071{
7072 struct airo_info *local = dev->priv;
7073 struct sockaddr *address = (struct sockaddr *) extra;
7074 struct iw_quality qual[IW_MAX_AP];
7075 BSSListRid BSSList;
7076 int i;
7077 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7078
7079 for (i = 0; i < IW_MAX_AP; i++) {
Al Viro17e70492007-12-19 18:56:37 -05007080 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007081 if (readBSSListRid(local, loseSync, &BSSList))
7082 break;
7083 loseSync = 0;
7084 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7085 address[i].sa_family = ARPHRD_ETHER;
Al Viro17e70492007-12-19 18:56:37 -05007086 dBm = le16_to_cpu(BSSList.dBm);
Dan Williams41480af2005-05-10 09:45:51 -04007087 if (local->rssi) {
Al Viro17e70492007-12-19 18:56:37 -05007088 qual[i].level = 0x100 - dBm;
7089 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007090 qual[i].updated = IW_QUAL_QUAL_UPDATED
7091 | IW_QUAL_LEVEL_UPDATED
7092 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007093 } else {
Al Viro17e70492007-12-19 18:56:37 -05007094 qual[i].level = (dBm + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007095 qual[i].qual = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007096 qual[i].updated = IW_QUAL_QUAL_INVALID
7097 | IW_QUAL_LEVEL_UPDATED
7098 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007099 }
7100 qual[i].noise = local->wstats.qual.noise;
Al Viro17e70492007-12-19 18:56:37 -05007101 if (BSSList.index == cpu_to_le16(0xffff))
Linus Torvalds1da177e2005-04-16 15:20:36 -07007102 break;
7103 }
7104 if (!i) {
7105 StatusRid status_rid; /* Card status info */
7106 readStatusRid(local, &status_rid, 1);
7107 for (i = 0;
7108 i < min(IW_MAX_AP, 4) &&
7109 (status_rid.bssid[i][0]
7110 & status_rid.bssid[i][1]
7111 & status_rid.bssid[i][2]
7112 & status_rid.bssid[i][3]
7113 & status_rid.bssid[i][4]
7114 & status_rid.bssid[i][5])!=0xff &&
7115 (status_rid.bssid[i][0]
7116 | status_rid.bssid[i][1]
7117 | status_rid.bssid[i][2]
7118 | status_rid.bssid[i][3]
7119 | status_rid.bssid[i][4]
7120 | status_rid.bssid[i][5]);
7121 i++) {
7122 memcpy(address[i].sa_data,
7123 status_rid.bssid[i], ETH_ALEN);
7124 address[i].sa_family = ARPHRD_ETHER;
7125 }
7126 } else {
7127 dwrq->flags = 1; /* Should be define'd */
7128 memcpy(extra + sizeof(struct sockaddr)*i,
7129 &qual, sizeof(struct iw_quality)*i);
7130 }
7131 dwrq->length = i;
7132
7133 return 0;
7134}
7135
7136/*------------------------------------------------------------------*/
7137/*
7138 * Wireless Handler : Initiate Scan
7139 */
7140static int airo_set_scan(struct net_device *dev,
7141 struct iw_request_info *info,
7142 struct iw_param *vwrq,
7143 char *extra)
7144{
7145 struct airo_info *ai = dev->priv;
7146 Cmd cmd;
7147 Resp rsp;
Dan Williams9e75af32006-03-16 13:46:29 -05007148 int wake = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007149
7150 /* Note : you may have realised that, as this is a SET operation,
7151 * this is privileged and therefore a normal user can't
7152 * perform scanning.
7153 * This is not an error, while the device perform scanning,
7154 * traffic doesn't flow, so it's a perfect DoS...
7155 * Jean II */
7156 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7157
Dan Williams9e75af32006-03-16 13:46:29 -05007158 if (down_interruptible(&ai->sem))
7159 return -ERESTARTSYS;
7160
7161 /* If there's already a scan in progress, don't
7162 * trigger another one. */
7163 if (ai->scan_timeout > 0)
7164 goto out;
7165
Linus Torvalds1da177e2005-04-16 15:20:36 -07007166 /* Initiate a scan command */
Dan Williams6fcdf562006-03-31 15:08:46 -05007167 ai->scan_timeout = RUN_AT(3*HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007168 memset(&cmd, 0, sizeof(cmd));
7169 cmd.cmd=CMD_LISTBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007170 issuecommand(ai, &cmd, &rsp);
Dan Williams9e75af32006-03-16 13:46:29 -05007171 wake = 1;
7172
7173out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07007174 up(&ai->sem);
Dan Williams9e75af32006-03-16 13:46:29 -05007175 if (wake)
7176 wake_up_interruptible(&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007177 return 0;
7178}
7179
7180/*------------------------------------------------------------------*/
7181/*
7182 * Translate scan data returned from the card to a card independent
7183 * format that the Wireless Tools will understand - Jean II
7184 */
7185static inline char *airo_translate_scan(struct net_device *dev,
7186 char *current_ev,
7187 char *end_buf,
Dan Williams41480af2005-05-10 09:45:51 -04007188 BSSListRid *bss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007189{
7190 struct airo_info *ai = dev->priv;
7191 struct iw_event iwe; /* Temporary buffer */
Al Viro17e70492007-12-19 18:56:37 -05007192 __le16 capabilities;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007193 char * current_val; /* For rates */
7194 int i;
Dan Williams3c304952006-04-15 12:26:18 -04007195 char * buf;
Al Viro851b3e52007-12-19 19:20:12 -05007196 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007197
7198 /* First entry *MUST* be the AP MAC address */
7199 iwe.cmd = SIOCGIWAP;
7200 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007201 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007202 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7203
7204 /* Other entries will be displayed in the order we give them */
7205
7206 /* Add the ESSID */
Dan Williams41480af2005-05-10 09:45:51 -04007207 iwe.u.data.length = bss->ssidLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007208 if(iwe.u.data.length > 32)
7209 iwe.u.data.length = 32;
7210 iwe.cmd = SIOCGIWESSID;
7211 iwe.u.data.flags = 1;
Dan Williams41480af2005-05-10 09:45:51 -04007212 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007213
7214 /* Add mode */
7215 iwe.cmd = SIOCGIWMODE;
Al Viro17e70492007-12-19 18:56:37 -05007216 capabilities = bss->cap;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007217 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7218 if(capabilities & CAP_ESS)
7219 iwe.u.mode = IW_MODE_MASTER;
7220 else
7221 iwe.u.mode = IW_MODE_ADHOC;
7222 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7223 }
7224
7225 /* Add frequency */
7226 iwe.cmd = SIOCGIWFREQ;
Dan Williams41480af2005-05-10 09:45:51 -04007227 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
matthieu castet11414552005-09-12 23:31:39 +02007228 /* iwe.u.freq.m containt the channel (starting 1), our
7229 * frequency_list array start at index 0...
7230 */
7231 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007232 iwe.u.freq.e = 1;
7233 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7234
Al Viro851b3e52007-12-19 19:20:12 -05007235 dBm = le16_to_cpu(bss->dBm);
7236
Linus Torvalds1da177e2005-04-16 15:20:36 -07007237 /* Add quality statistics */
7238 iwe.cmd = IWEVQUAL;
Dan Williams41480af2005-05-10 09:45:51 -04007239 if (ai->rssi) {
Al Viro851b3e52007-12-19 19:20:12 -05007240 iwe.u.qual.level = 0x100 - dBm;
7241 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007242 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7243 | IW_QUAL_LEVEL_UPDATED
7244 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007245 } else {
Al Viro851b3e52007-12-19 19:20:12 -05007246 iwe.u.qual.level = (dBm + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007247 iwe.u.qual.qual = 0;
Jeff Garzikbbeec902005-09-07 00:27:54 -04007248 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007249 | IW_QUAL_LEVEL_UPDATED
7250 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007251 }
7252 iwe.u.qual.noise = ai->wstats.qual.noise;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007253 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7254
7255 /* Add encryption capability */
7256 iwe.cmd = SIOCGIWENCODE;
7257 if(capabilities & CAP_PRIVACY)
7258 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7259 else
7260 iwe.u.data.flags = IW_ENCODE_DISABLED;
7261 iwe.u.data.length = 0;
Dan Williams41480af2005-05-10 09:45:51 -04007262 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007263
7264 /* Rate : stuffing multiple values in a single event require a bit
7265 * more of magic - Jean II */
7266 current_val = current_ev + IW_EV_LCP_LEN;
7267
7268 iwe.cmd = SIOCGIWRATE;
7269 /* Those two flags are ignored... */
7270 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7271 /* Max 8 values */
7272 for(i = 0 ; i < 8 ; i++) {
7273 /* NULL terminated */
Dan Williams41480af2005-05-10 09:45:51 -04007274 if(bss->rates[i] == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007275 break;
7276 /* Bit rate given in 500 kb/s units (+ 0x80) */
Dan Williams41480af2005-05-10 09:45:51 -04007277 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007278 /* Add new value to event */
7279 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7280 }
7281 /* Check if we added any event */
7282 if((current_val - current_ev) > IW_EV_LCP_LEN)
7283 current_ev = current_val;
7284
Dan Williams3c304952006-04-15 12:26:18 -04007285 /* Beacon interval */
7286 buf = kmalloc(30, GFP_KERNEL);
7287 if (buf) {
7288 iwe.cmd = IWEVCUSTOM;
7289 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7290 iwe.u.data.length = strlen(buf);
7291 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7292 kfree(buf);
7293 }
7294
7295 /* Put WPA/RSN Information Elements into the event stream */
7296 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7297 unsigned int num_null_ies = 0;
7298 u16 length = sizeof (bss->extra.iep);
7299 struct ieee80211_info_element *info_element =
7300 (struct ieee80211_info_element *) &bss->extra.iep;
7301
7302 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7303 if (sizeof(*info_element) + info_element->len > length) {
7304 /* Invalid element, don't continue parsing IE */
7305 break;
7306 }
7307
7308 switch (info_element->id) {
7309 case MFIE_TYPE_SSID:
7310 /* Two zero-length SSID elements
7311 * mean we're done parsing elements */
7312 if (!info_element->len)
7313 num_null_ies++;
7314 break;
7315
7316 case MFIE_TYPE_GENERIC:
7317 if (info_element->len >= 4 &&
7318 info_element->data[0] == 0x00 &&
7319 info_element->data[1] == 0x50 &&
7320 info_element->data[2] == 0xf2 &&
7321 info_element->data[3] == 0x01) {
7322 iwe.cmd = IWEVGENIE;
7323 iwe.u.data.length = min(info_element->len + 2,
7324 MAX_WPA_IE_LEN);
7325 current_ev = iwe_stream_add_point(current_ev, end_buf,
7326 &iwe, (char *) info_element);
7327 }
7328 break;
7329
7330 case MFIE_TYPE_RSN:
7331 iwe.cmd = IWEVGENIE;
7332 iwe.u.data.length = min(info_element->len + 2,
7333 MAX_WPA_IE_LEN);
7334 current_ev = iwe_stream_add_point(current_ev, end_buf,
7335 &iwe, (char *) info_element);
7336 break;
7337
7338 default:
7339 break;
7340 }
7341
7342 length -= sizeof(*info_element) + info_element->len;
7343 info_element =
7344 (struct ieee80211_info_element *)&info_element->
7345 data[info_element->len];
7346 }
7347 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007348 return current_ev;
7349}
7350
7351/*------------------------------------------------------------------*/
7352/*
7353 * Wireless Handler : Read Scan Results
7354 */
7355static int airo_get_scan(struct net_device *dev,
7356 struct iw_request_info *info,
7357 struct iw_point *dwrq,
7358 char *extra)
7359{
7360 struct airo_info *ai = dev->priv;
Dan Williams9e75af32006-03-16 13:46:29 -05007361 BSSListElement *net;
7362 int err = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007363 char *current_ev = extra;
7364
Dan Williams9e75af32006-03-16 13:46:29 -05007365 /* If a scan is in-progress, return -EAGAIN */
7366 if (ai->scan_timeout > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007367 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007368
Dan Williams9e75af32006-03-16 13:46:29 -05007369 if (down_interruptible(&ai->sem))
7370 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007371
Dan Williams9e75af32006-03-16 13:46:29 -05007372 list_for_each_entry (net, &ai->network_list, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007373 /* Translate to WE format this entry */
7374 current_ev = airo_translate_scan(dev, current_ev,
7375 extra + dwrq->length,
Dan Williams9e75af32006-03-16 13:46:29 -05007376 &net->bss);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007377
7378 /* Check if there is space for one more entry */
7379 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7380 /* Ask user space to try again with a bigger buffer */
Dan Williams9e75af32006-03-16 13:46:29 -05007381 err = -E2BIG;
7382 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007383 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007384 }
Dan Williams9e75af32006-03-16 13:46:29 -05007385
Linus Torvalds1da177e2005-04-16 15:20:36 -07007386 /* Length of data */
7387 dwrq->length = (current_ev - extra);
7388 dwrq->flags = 0; /* todo */
7389
Dan Williams9e75af32006-03-16 13:46:29 -05007390out:
7391 up(&ai->sem);
7392 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007393}
7394
7395/*------------------------------------------------------------------*/
7396/*
7397 * Commit handler : called after a bunch of SET operations
7398 */
7399static int airo_config_commit(struct net_device *dev,
7400 struct iw_request_info *info, /* NULL */
7401 void *zwrq, /* NULL */
7402 char *extra) /* NULL */
7403{
7404 struct airo_info *local = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007405
7406 if (!test_bit (FLAG_COMMIT, &local->flags))
7407 return 0;
7408
7409 /* Some of the "SET" function may have modified some of the
7410 * parameters. It's now time to commit them in the card */
7411 disable_MAC(local, 1);
7412 if (test_bit (FLAG_RESET, &local->flags)) {
7413 APListRid APList_rid;
7414 SsidRid SSID_rid;
7415
7416 readAPListRid(local, &APList_rid);
7417 readSsidRid(local, &SSID_rid);
7418 if (test_bit(FLAG_MPI,&local->flags))
7419 setup_card(local, dev->dev_addr, 1 );
7420 else
7421 reset_airo_card(dev);
7422 disable_MAC(local, 1);
7423 writeSsidRid(local, &SSID_rid, 1);
7424 writeAPListRid(local, &APList_rid, 1);
7425 }
7426 if (down_interruptible(&local->sem))
7427 return -ERESTARTSYS;
7428 writeConfigRid(local, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007429 enable_MAC(local, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007430 if (test_bit (FLAG_RESET, &local->flags))
7431 airo_set_promisc(local);
7432 else
7433 up(&local->sem);
7434
7435 return 0;
7436}
7437
7438/*------------------------------------------------------------------*/
7439/*
7440 * Structures to export the Wireless Handlers
7441 */
7442
7443static const struct iw_priv_args airo_private_args[] = {
7444/*{ cmd, set_args, get_args, name } */
7445 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7446 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7447 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7448 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7449};
7450
7451static const iw_handler airo_handler[] =
7452{
7453 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7454 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7455 (iw_handler) NULL, /* SIOCSIWNWID */
7456 (iw_handler) NULL, /* SIOCGIWNWID */
7457 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7458 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7459 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7460 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7461 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7462 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7463 (iw_handler) NULL, /* SIOCSIWRANGE */
7464 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7465 (iw_handler) NULL, /* SIOCSIWPRIV */
7466 (iw_handler) NULL, /* SIOCGIWPRIV */
7467 (iw_handler) NULL, /* SIOCSIWSTATS */
7468 (iw_handler) NULL, /* SIOCGIWSTATS */
7469 iw_handler_set_spy, /* SIOCSIWSPY */
7470 iw_handler_get_spy, /* SIOCGIWSPY */
7471 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7472 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7473 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7474 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7475 (iw_handler) NULL, /* -- hole -- */
7476 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7477 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7478 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7479 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7480 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7481 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7482 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7483 (iw_handler) NULL, /* -- hole -- */
7484 (iw_handler) NULL, /* -- hole -- */
7485 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7486 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7487 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7488 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7489 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7490 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7491 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7492 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7493 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7494 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7495 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7496 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7497 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7498 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
Dan Williams4be757d2006-01-30 11:58:00 -05007499 (iw_handler) NULL, /* -- hole -- */
7500 (iw_handler) NULL, /* -- hole -- */
7501 (iw_handler) NULL, /* SIOCSIWGENIE */
7502 (iw_handler) NULL, /* SIOCGIWGENIE */
7503 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7504 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7505 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7506 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7507 (iw_handler) NULL, /* SIOCSIWPMKSA */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007508};
7509
7510/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7511 * We want to force the use of the ioctl code, because those can't be
7512 * won't work the iw_handler code (because they simultaneously read
7513 * and write data and iw_handler can't do that).
7514 * Note that it's perfectly legal to read/write on a single ioctl command,
7515 * you just can't use iwpriv and need to force it via the ioctl handler.
7516 * Jean II */
7517static const iw_handler airo_private_handler[] =
7518{
7519 NULL, /* SIOCIWFIRSTPRIV */
7520};
7521
7522static const struct iw_handler_def airo_handler_def =
7523{
Denis Chengff8ac602007-09-02 18:30:18 +08007524 .num_standard = ARRAY_SIZE(airo_handler),
7525 .num_private = ARRAY_SIZE(airo_private_handler),
7526 .num_private_args = ARRAY_SIZE(airo_private_args),
Linus Torvalds1da177e2005-04-16 15:20:36 -07007527 .standard = airo_handler,
7528 .private = airo_private_handler,
7529 .private_args = airo_private_args,
7530 .get_wireless_stats = airo_get_wireless_stats,
7531};
7532
Linus Torvalds1da177e2005-04-16 15:20:36 -07007533/*
7534 * This defines the configuration part of the Wireless Extensions
7535 * Note : irq and spinlock protection will occur in the subroutines
7536 *
7537 * TODO :
7538 * o Check input value more carefully and fill correct values in range
7539 * o Test and shakeout the bugs (if any)
7540 *
7541 * Jean II
7542 *
7543 * Javier Achirica did a great job of merging code from the unnamed CISCO
7544 * developer that added support for flashing the card.
7545 */
7546static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7547{
7548 int rc = 0;
7549 struct airo_info *ai = (struct airo_info *)dev->priv;
7550
Pavel Machekca078ba2005-09-03 15:56:57 -07007551 if (ai->power.event)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007552 return 0;
7553
7554 switch (cmd) {
7555#ifdef CISCO_EXT
7556 case AIROIDIFC:
7557#ifdef AIROOLDIDIFC
7558 case AIROOLDIDIFC:
7559#endif
7560 {
7561 int val = AIROMAGIC;
7562 aironet_ioctl com;
7563 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7564 rc = -EFAULT;
7565 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7566 rc = -EFAULT;
7567 }
7568 break;
7569
7570 case AIROIOCTL:
7571#ifdef AIROOLDIOCTL
7572 case AIROOLDIOCTL:
7573#endif
7574 /* Get the command struct and hand it off for evaluation by
7575 * the proper subfunction
7576 */
7577 {
7578 aironet_ioctl com;
7579 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7580 rc = -EFAULT;
7581 break;
7582 }
7583
7584 /* Separate R/W functions bracket legality here
7585 */
7586 if ( com.command == AIRORSWVERSION ) {
7587 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7588 rc = -EFAULT;
7589 else
7590 rc = 0;
7591 }
7592 else if ( com.command <= AIRORRID)
7593 rc = readrids(dev,&com);
7594 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7595 rc = writerids(dev,&com);
7596 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7597 rc = flashcard(dev,&com);
7598 else
7599 rc = -EINVAL; /* Bad command in ioctl */
7600 }
7601 break;
7602#endif /* CISCO_EXT */
7603
7604 // All other calls are currently unsupported
7605 default:
7606 rc = -EOPNOTSUPP;
7607 }
7608 return rc;
7609}
7610
Linus Torvalds1da177e2005-04-16 15:20:36 -07007611/*
7612 * Get the Wireless stats out of the driver
7613 * Note : irq and spinlock protection will occur in the subroutines
7614 *
7615 * TODO :
7616 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7617 *
7618 * Jean
7619 */
7620static void airo_read_wireless_stats(struct airo_info *local)
7621{
7622 StatusRid status_rid;
7623 StatsRid stats_rid;
7624 CapabilityRid cap_rid;
Al Viroa23ace52007-12-19 22:24:16 -05007625 __le32 *vals = stats_rid.vals;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007626
7627 /* Get stats out of the card */
Dan Williams3c304952006-04-15 12:26:18 -04007628 clear_bit(JOB_WSTATS, &local->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07007629 if (local->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007630 up(&local->sem);
7631 return;
7632 }
7633 readCapabilityRid(local, &cap_rid, 0);
7634 readStatusRid(local, &status_rid, 0);
7635 readStatsRid(local, &stats_rid, RID_STATS, 0);
7636 up(&local->sem);
7637
7638 /* The status */
Al Viro329e2c02007-12-20 22:58:57 -05007639 local->wstats.status = le16_to_cpu(status_rid.mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007640
Dan Williams41480af2005-05-10 09:45:51 -04007641 /* Signal quality and co */
7642 if (local->rssi) {
Al Viro329e2c02007-12-20 22:58:57 -05007643 local->wstats.qual.level =
7644 airo_rssi_to_dbm(local->rssi,
7645 le16_to_cpu(status_rid.sigQuality));
Dan Williams41480af2005-05-10 09:45:51 -04007646 /* normalizedSignalStrength appears to be a percentage */
Al Viro329e2c02007-12-20 22:58:57 -05007647 local->wstats.qual.qual =
7648 le16_to_cpu(status_rid.normalizedSignalStrength);
Dan Williams41480af2005-05-10 09:45:51 -04007649 } else {
Al Viro329e2c02007-12-20 22:58:57 -05007650 local->wstats.qual.level =
7651 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007652 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7653 }
Al Viro329e2c02007-12-20 22:58:57 -05007654 if (le16_to_cpu(status_rid.len) >= 124) {
Dan Williams41480af2005-05-10 09:45:51 -04007655 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007656 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007657 } else {
7658 local->wstats.qual.noise = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007659 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 -07007660 }
7661
7662 /* Packets discarded in the wireless adapter due to wireless
7663 * specific problems */
Al Viroa23ace52007-12-19 22:24:16 -05007664 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7665 le32_to_cpu(vals[57]) +
7666 le32_to_cpu(vals[58]); /* SSID Mismatch */
7667 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7668 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7669 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7670 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7671 le32_to_cpu(vals[32]);
7672 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007673}
7674
Jouni Malinenff1d2762005-05-12 22:54:16 -04007675static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007676{
7677 struct airo_info *local = dev->priv;
7678
Dan Williams3c304952006-04-15 12:26:18 -04007679 if (!test_bit(JOB_WSTATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007680 /* Get stats out of the card if available */
7681 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04007682 set_bit(JOB_WSTATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007683 wake_up_interruptible(&local->thr_wait);
7684 } else
7685 airo_read_wireless_stats(local);
7686 }
7687
7688 return &local->wstats;
7689}
Linus Torvalds1da177e2005-04-16 15:20:36 -07007690
7691#ifdef CISCO_EXT
7692/*
7693 * This just translates from driver IOCTL codes to the command codes to
7694 * feed to the radio's host interface. Things can be added/deleted
7695 * as needed. This represents the READ side of control I/O to
7696 * the card
7697 */
7698static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7699 unsigned short ridcode;
7700 unsigned char *iobuf;
7701 int len;
7702 struct airo_info *ai = dev->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007703
7704 if (test_bit(FLAG_FLASHING, &ai->flags))
7705 return -EIO;
7706
7707 switch(comp->command)
7708 {
7709 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7710 case AIROGCFG: ridcode = RID_CONFIG;
7711 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7712 disable_MAC (ai, 1);
7713 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007714 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007715 }
7716 break;
7717 case AIROGSLIST: ridcode = RID_SSID; break;
7718 case AIROGVLIST: ridcode = RID_APLIST; break;
7719 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7720 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7721 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7722 /* Only super-user can read WEP keys */
7723 if (!capable(CAP_NET_ADMIN))
7724 return -EPERM;
7725 break;
7726 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7727 /* Only super-user can read WEP keys */
7728 if (!capable(CAP_NET_ADMIN))
7729 return -EPERM;
7730 break;
7731 case AIROGSTAT: ridcode = RID_STATUS; break;
7732 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7733 case AIROGSTATSC32: ridcode = RID_STATS; break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007734 case AIROGMICSTATS:
7735 if (copy_to_user(comp->data, &ai->micstats,
7736 min((int)comp->len,(int)sizeof(ai->micstats))))
7737 return -EFAULT;
7738 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007739 case AIRORRID: ridcode = comp->ridnum; break;
7740 default:
7741 return -EINVAL;
7742 break;
7743 }
7744
7745 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7746 return -ENOMEM;
7747
7748 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7749 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7750 * then return it to the user
7751 * 9/22/2000 Honor user given length
7752 */
7753 len = comp->len;
7754
7755 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7756 kfree (iobuf);
7757 return -EFAULT;
7758 }
7759 kfree (iobuf);
7760 return 0;
7761}
7762
7763/*
7764 * Danger Will Robinson write the rids here
7765 */
7766
7767static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7768 struct airo_info *ai = dev->priv;
7769 int ridcode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007770 int enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007771 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7772 unsigned char *iobuf;
7773
7774 /* Only super-user can write RIDs */
7775 if (!capable(CAP_NET_ADMIN))
7776 return -EPERM;
7777
7778 if (test_bit(FLAG_FLASHING, &ai->flags))
7779 return -EIO;
7780
7781 ridcode = 0;
7782 writer = do_writerid;
7783
7784 switch(comp->command)
7785 {
7786 case AIROPSIDS: ridcode = RID_SSID; break;
7787 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROPAPLIST: ridcode = RID_APLIST; break;
7789 case AIROPCFG: ai->config.len = 0;
7790 clear_bit(FLAG_COMMIT, &ai->flags);
7791 ridcode = RID_CONFIG; break;
7792 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7793 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7794 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7795 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7796 break;
7797 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7798 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7799
7800 /* this is not really a rid but a command given to the card
7801 * same with MAC off
7802 */
7803 case AIROPMACON:
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007804 if (enable_MAC(ai, 1) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007805 return -EIO;
7806 return 0;
7807
7808 /*
7809 * Evidently this code in the airo driver does not get a symbol
7810 * as disable_MAC. it's probably so short the compiler does not gen one.
7811 */
7812 case AIROPMACOFF:
7813 disable_MAC(ai, 1);
7814 return 0;
7815
7816 /* This command merely clears the counts does not actually store any data
7817 * only reads rid. But as it changes the cards state, I put it in the
7818 * writerid routines.
7819 */
7820 case AIROPSTCLR:
7821 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7822 return -ENOMEM;
7823
7824 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7825
Linus Torvalds1da177e2005-04-16 15:20:36 -07007826 enabled = ai->micstats.enabled;
7827 memset(&ai->micstats,0,sizeof(ai->micstats));
7828 ai->micstats.enabled = enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007829
7830 if (copy_to_user(comp->data, iobuf,
7831 min((int)comp->len, (int)RIDSIZE))) {
7832 kfree (iobuf);
7833 return -EFAULT;
7834 }
7835 kfree (iobuf);
7836 return 0;
7837
7838 default:
7839 return -EOPNOTSUPP; /* Blarg! */
7840 }
7841 if(comp->len > RIDSIZE)
7842 return -EINVAL;
7843
7844 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7845 return -ENOMEM;
7846
7847 if (copy_from_user(iobuf,comp->data,comp->len)) {
7848 kfree (iobuf);
7849 return -EFAULT;
7850 }
7851
7852 if (comp->command == AIROPCFG) {
7853 ConfigRid *cfg = (ConfigRid *)iobuf;
7854
7855 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
Al Viro3eb9b412007-12-21 00:00:35 -05007856 cfg->opmode |= MODE_MIC;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007857
Al Viro3eb9b412007-12-21 00:00:35 -05007858 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007859 set_bit (FLAG_ADHOC, &ai->flags);
7860 else
7861 clear_bit (FLAG_ADHOC, &ai->flags);
7862 }
7863
7864 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7865 kfree (iobuf);
7866 return -EIO;
7867 }
7868 kfree (iobuf);
7869 return 0;
7870}
7871
7872/*****************************************************************************
7873 * Ancillary flash / mod functions much black magic lurkes here *
7874 *****************************************************************************
7875 */
7876
7877/*
7878 * Flash command switch table
7879 */
7880
Jouni Malinenff1d2762005-05-12 22:54:16 -04007881static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007882 int z;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007883
7884 /* Only super-user can modify flash */
7885 if (!capable(CAP_NET_ADMIN))
7886 return -EPERM;
7887
7888 switch(comp->command)
7889 {
7890 case AIROFLSHRST:
7891 return cmdreset((struct airo_info *)dev->priv);
7892
7893 case AIROFLSHSTFL:
7894 if (!((struct airo_info *)dev->priv)->flash &&
7895 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7896 return -ENOMEM;
7897 return setflashmode((struct airo_info *)dev->priv);
7898
7899 case AIROFLSHGCHR: /* Get char from aux */
7900 if(comp->len != sizeof(int))
7901 return -EINVAL;
7902 if (copy_from_user(&z,comp->data,comp->len))
7903 return -EFAULT;
7904 return flashgchar((struct airo_info *)dev->priv,z,8000);
7905
7906 case AIROFLSHPCHR: /* Send char to card. */
7907 if(comp->len != sizeof(int))
7908 return -EINVAL;
7909 if (copy_from_user(&z,comp->data,comp->len))
7910 return -EFAULT;
7911 return flashpchar((struct airo_info *)dev->priv,z,8000);
7912
7913 case AIROFLPUTBUF: /* Send 32k to card */
7914 if (!((struct airo_info *)dev->priv)->flash)
7915 return -ENOMEM;
7916 if(comp->len > FLASHSIZE)
7917 return -EINVAL;
7918 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7919 return -EFAULT;
7920
7921 flashputbuf((struct airo_info *)dev->priv);
7922 return 0;
7923
7924 case AIRORESTART:
7925 if(flashrestart((struct airo_info *)dev->priv,dev))
7926 return -EIO;
7927 return 0;
7928 }
7929 return -EINVAL;
7930}
7931
7932#define FLASH_COMMAND 0x7e7e
7933
7934/*
7935 * STEP 1)
7936 * Disable MAC and do soft reset on
7937 * card.
7938 */
7939
Jouni Malinenff1d2762005-05-12 22:54:16 -04007940static int cmdreset(struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007941 disable_MAC(ai, 1);
7942
7943 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05007944 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007945 return -EBUSY;
7946 }
7947
7948 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7949
7950 ssleep(1); /* WAS 600 12/7/00 */
7951
7952 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05007953 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007954 return -EBUSY;
7955 }
7956 return 0;
7957}
7958
7959/* STEP 2)
7960 * Put the card in legendary flash
7961 * mode
7962 */
7963
Jouni Malinenff1d2762005-05-12 22:54:16 -04007964static int setflashmode (struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007965 set_bit (FLAG_FLASHING, &ai->flags);
7966
7967 OUT4500(ai, SWS0, FLASH_COMMAND);
7968 OUT4500(ai, SWS1, FLASH_COMMAND);
7969 if (probe) {
7970 OUT4500(ai, SWS0, FLASH_COMMAND);
7971 OUT4500(ai, COMMAND,0x10);
7972 } else {
7973 OUT4500(ai, SWS2, FLASH_COMMAND);
7974 OUT4500(ai, SWS3, FLASH_COMMAND);
7975 OUT4500(ai, COMMAND,0);
7976 }
7977 msleep(500); /* 500ms delay */
7978
7979 if(!waitbusy(ai)) {
7980 clear_bit (FLAG_FLASHING, &ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05007981 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
Linus Torvalds1da177e2005-04-16 15:20:36 -07007982 return -EIO;
7983 }
7984 return 0;
7985}
7986
7987/* Put character to SWS0 wait for dwelltime
7988 * x 50us for echo .
7989 */
7990
Jouni Malinenff1d2762005-05-12 22:54:16 -04007991static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007992 int echo;
7993 int waittime;
7994
7995 byte |= 0x8000;
7996
7997 if(dwelltime == 0 )
7998 dwelltime = 200;
7999
8000 waittime=dwelltime;
8001
8002 /* Wait for busy bit d15 to go false indicating buffer empty */
8003 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8004 udelay (50);
8005 waittime -= 50;
8006 }
8007
8008 /* timeout for busy clear wait */
8009 if(waittime <= 0 ){
Dan Williams934d8bf2006-03-16 13:46:23 -05008010 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008011 return -EBUSY;
8012 }
8013
8014 /* Port is clear now write byte and wait for it to echo back */
8015 do {
8016 OUT4500(ai,SWS0,byte);
8017 udelay(50);
8018 dwelltime -= 50;
8019 echo = IN4500(ai,SWS1);
8020 } while (dwelltime >= 0 && echo != byte);
8021
8022 OUT4500(ai,SWS1,0);
8023
8024 return (echo == byte) ? 0 : -EIO;
8025}
8026
8027/*
8028 * Get a character from the card matching matchbyte
8029 * Step 3)
8030 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008031static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008032 int rchar;
8033 unsigned char rbyte=0;
8034
8035 do {
8036 rchar = IN4500(ai,SWS1);
8037
8038 if(dwelltime && !(0x8000 & rchar)){
8039 dwelltime -= 10;
8040 mdelay(10);
8041 continue;
8042 }
8043 rbyte = 0xff & rchar;
8044
8045 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8046 OUT4500(ai,SWS1,0);
8047 return 0;
8048 }
8049 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8050 break;
8051 OUT4500(ai,SWS1,0);
8052
8053 }while(dwelltime > 0);
8054 return -EIO;
8055}
8056
8057/*
8058 * Transfer 32k of firmware data from user buffer to our buffer and
8059 * send to the card
8060 */
8061
Jouni Malinenff1d2762005-05-12 22:54:16 -04008062static int flashputbuf(struct airo_info *ai){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008063 int nwords;
8064
8065 /* Write stuff */
8066 if (test_bit(FLAG_MPI,&ai->flags))
8067 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8068 else {
8069 OUT4500(ai,AUXPAGE,0x100);
8070 OUT4500(ai,AUXOFF,0);
8071
8072 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8073 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8074 }
8075 }
8076 OUT4500(ai,SWS0,0x8000);
8077
8078 return 0;
8079}
8080
8081/*
8082 *
8083 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008084static int flashrestart(struct airo_info *ai,struct net_device *dev){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008085 int i,status;
8086
8087 ssleep(1); /* Added 12/7/00 */
8088 clear_bit (FLAG_FLASHING, &ai->flags);
8089 if (test_bit(FLAG_MPI, &ai->flags)) {
8090 status = mpi_init_descriptors(ai);
8091 if (status != SUCCESS)
8092 return status;
8093 }
8094 status = setup_card(ai, dev->dev_addr, 1);
8095
8096 if (!test_bit(FLAG_MPI,&ai->flags))
8097 for( i = 0; i < MAX_FIDS; i++ ) {
8098 ai->fids[i] = transmit_allocate
Dan Williams15db2762006-03-16 13:46:27 -05008099 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07008100 }
8101
8102 ssleep(1); /* Added 12/7/00 */
8103 return status;
8104}
8105#endif /* CISCO_EXT */
8106
8107/*
8108 This program is free software; you can redistribute it and/or
8109 modify it under the terms of the GNU General Public License
8110 as published by the Free Software Foundation; either version 2
8111 of the License, or (at your option) any later version.
8112
8113 This program is distributed in the hope that it will be useful,
8114 but WITHOUT ANY WARRANTY; without even the implied warranty of
8115 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8116 GNU General Public License for more details.
8117
8118 In addition:
8119
8120 Redistribution and use in source and binary forms, with or without
8121 modification, are permitted provided that the following conditions
8122 are met:
8123
8124 1. Redistributions of source code must retain the above copyright
8125 notice, this list of conditions and the following disclaimer.
8126 2. Redistributions in binary form must reproduce the above copyright
8127 notice, this list of conditions and the following disclaimer in the
8128 documentation and/or other materials provided with the distribution.
8129 3. The name of the author may not be used to endorse or promote
8130 products derived from this software without specific prior written
8131 permission.
8132
8133 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8134 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8135 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8136 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8137 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8138 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8139 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8140 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8141 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8142 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8143 POSSIBILITY OF SUCH DAMAGE.
8144*/
8145
8146module_init(airo_init_module);
8147module_exit(airo_cleanup_module);