blob: a441aad922c254f50e06ebe99949cf4b8162ab87 [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>
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -070050#include <linux/kthread.h>
Nigel Cunningham7dfb7102006-12-06 20:34:23 -080051#include <linux/freezer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Johannes Berg2c7060022008-10-30 22:09:54 +010053#include <linux/ieee80211.h>
Randy Dunlap2bf9fa62010-02-12 13:02:23 -080054#include <net/iw_handler.h>
Johannes Berg2c7060022008-10-30 22:09:54 +010055
Adrian Bunkd3808762005-11-05 17:42:27 +010056#include "airo.h"
57
Michal Schmidt1138c372007-06-29 15:33:41 +020058#define DRV_NAME "airo"
59
Linus Torvalds1da177e2005-04-16 15:20:36 -070060#ifdef CONFIG_PCI
Alexey Dobriyana3aa1882010-01-07 11:58:11 +000061static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70};
71MODULE_DEVICE_TABLE(pci, card_ids);
72
73static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74static void airo_pci_remove(struct pci_dev *);
Pavel Machek05adc3b2005-04-16 15:25:25 -070075static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
Linus Torvalds1da177e2005-04-16 15:20:36 -070076static int airo_pci_resume(struct pci_dev *pdev);
77
78static struct pci_driver airo_driver = {
Michal Schmidt1138c372007-06-29 15:33:41 +020079 .name = DRV_NAME,
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85};
86#endif /* CONFIG_PCI */
87
88/* Include Wireless Extension definition and check version - Jean II */
89#include <linux/wireless.h>
Pavel Macheke292c732008-06-25 12:25:53 +020090#define WIRELESS_SPY /* enable iwspy support */
91#include <net/iw_handler.h> /* New driver API */
Linus Torvalds1da177e2005-04-16 15:20:36 -070092
Pavel Macheke292c732008-06-25 12:25:53 +020093#define CISCO_EXT /* enable Cisco extensions */
Linus Torvalds1da177e2005-04-16 15:20:36 -070094#ifdef CISCO_EXT
95#include <linux/delay.h>
96#endif
97
Linus Torvalds1da177e2005-04-16 15:20:36 -070098/* Hack to do some power saving */
99#define POWER_ON_DOWN
100
101/* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107#define IGNLABEL(comment) NULL
108static char *statsLabels[] = {
109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210#ifndef RUN_AT
211#define RUN_AT(x) (jiffies+(x))
212#endif
213
214
215/* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219static int rates[8];
220static int basic_rate;
221static char *ssids[3];
222
223static int io[4];
224static int irq[4];
225
226static
227int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233static int adhoc;
234
235static int probe = 1;
236
237static int proc_uid /* = 0 */;
238
239static int proc_gid /* = 0 */;
240
241static int airo_perm = 0555;
242
243static int proc_perm = 0644;
244
245MODULE_AUTHOR("Benjamin Reed");
246MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
Bill Nottinghamd73ae552007-07-27 19:43:17 -0400247cards. Direct support for ISA/PCI/MPI cards and support \
248for PCMCIA when used with airo_cs.");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249MODULE_LICENSE("Dual BSD/GPL");
250MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251module_param_array(io, int, NULL, 0);
252module_param_array(irq, int, NULL, 0);
253module_param(basic_rate, int, 0);
254module_param_array(rates, int, NULL, 0);
255module_param_array(ssids, charp, NULL, 0);
256module_param(auto_wep, int, 0);
257MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258the authentication options until an association is made. The value of \
259auto_wep is number of the wep keys to check. A value of 2 will try using \
260the key at index 0 and index 1.");
261module_param(aux_bap, int, 0);
262MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263than seems to work better for older cards with some older buses. Before \
264switching it checks that the switch is needed.");
265module_param(maxencrypt, int, 0);
266MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268Older cards used to be limited to 2mbs (4).");
269module_param(adhoc, int, 0);
270MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271module_param(probe, int, 0);
272MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274module_param(proc_uid, int, 0);
275MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276module_param(proc_gid, int, 0);
277MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278module_param(airo_perm, int, 0);
279MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280module_param(proc_perm, int, 0);
281MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283/* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
Pavel Macheke292c732008-06-25 12:25:53 +0200286static int do8bitIO /* = 0 */;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287
288/* Return codes */
289#define SUCCESS 0
290#define ERROR -1
291#define NO_PACKET -2
292
293/* Commands */
294#define NOP2 0x0000
295#define MAC_ENABLE 0x0001
296#define MAC_DISABLE 0x0002
297#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298#define CMD_SOFTRESET 0x0004
299#define HOSTSLEEP 0x0005
300#define CMD_MAGIC_PKT 0x0006
301#define CMD_SETWAKEMASK 0x0007
302#define CMD_READCFG 0x0008
303#define CMD_SETMODE 0x0009
304#define CMD_ALLOCATETX 0x000a
305#define CMD_TRANSMIT 0x000b
306#define CMD_DEALLOCATETX 0x000c
307#define NOP 0x0010
308#define CMD_WORKAROUND 0x0011
309#define CMD_ALLOCATEAUX 0x0020
310#define CMD_ACCESS 0x0021
311#define CMD_PCIBAP 0x0022
312#define CMD_PCIAUX 0x0023
313#define CMD_ALLOCBUF 0x0028
314#define CMD_GETTLV 0x0029
315#define CMD_PUTTLV 0x002a
316#define CMD_DELTLV 0x002b
317#define CMD_FINDNEXTTLV 0x002c
318#define CMD_PSPNODES 0x0030
319#define CMD_SETCW 0x0031
320#define CMD_SETPCF 0x0032
321#define CMD_SETPHYREG 0x003e
322#define CMD_TXTEST 0x003f
323#define MAC_ENABLETX 0x0101
324#define CMD_LISTBSS 0x0103
325#define CMD_SAVECFG 0x0108
326#define CMD_ENABLEAUX 0x0111
327#define CMD_WRITERID 0x0121
328#define CMD_USEPSPNODES 0x0130
329#define MAC_ENABLERX 0x0201
330
331/* Command errors */
332#define ERROR_QUALIF 0x00
333#define ERROR_ILLCMD 0x01
334#define ERROR_ILLFMT 0x02
335#define ERROR_INVFID 0x03
336#define ERROR_INVRID 0x04
337#define ERROR_LARGE 0x05
338#define ERROR_NDISABL 0x06
339#define ERROR_ALLOCBSY 0x07
340#define ERROR_NORD 0x0B
341#define ERROR_NOWR 0x0C
342#define ERROR_INVFIDTX 0x0D
343#define ERROR_TESTACT 0x0E
344#define ERROR_TAGNFND 0x12
345#define ERROR_DECODE 0x20
346#define ERROR_DESCUNAV 0x21
347#define ERROR_BADLEN 0x22
348#define ERROR_MODE 0x80
349#define ERROR_HOP 0x81
350#define ERROR_BINTER 0x82
351#define ERROR_RXMODE 0x83
352#define ERROR_MACADDR 0x84
353#define ERROR_RATES 0x85
354#define ERROR_ORDER 0x86
355#define ERROR_SCAN 0x87
356#define ERROR_AUTH 0x88
357#define ERROR_PSMODE 0x89
358#define ERROR_RTYPE 0x8A
359#define ERROR_DIVER 0x8B
360#define ERROR_SSID 0x8C
361#define ERROR_APLIST 0x8D
362#define ERROR_AUTOWAKE 0x8E
363#define ERROR_LEAP 0x8F
364
365/* Registers */
366#define COMMAND 0x00
367#define PARAM0 0x02
368#define PARAM1 0x04
369#define PARAM2 0x06
370#define STATUS 0x08
371#define RESP0 0x0a
372#define RESP1 0x0c
373#define RESP2 0x0e
374#define LINKSTAT 0x10
375#define SELECT0 0x18
376#define OFFSET0 0x1c
377#define RXFID 0x20
378#define TXALLOCFID 0x22
379#define TXCOMPLFID 0x24
380#define DATA0 0x36
381#define EVSTAT 0x30
382#define EVINTEN 0x32
383#define EVACK 0x34
384#define SWS0 0x28
385#define SWS1 0x2a
386#define SWS2 0x2c
387#define SWS3 0x2e
388#define AUXPAGE 0x3A
389#define AUXOFF 0x3C
390#define AUXDATA 0x3E
391
392#define FID_TX 1
393#define FID_RX 2
394/* Offset into aux memory for descriptors */
395#define AUX_OFFSET 0x800
396/* Size of allocated packets */
397#define PKTSIZE 1840
398#define RIDSIZE 2048
399/* Size of the transmit queue */
400#define MAXTXQ 64
401
402/* BAP selectors */
Pavel Macheke292c732008-06-25 12:25:53 +0200403#define BAP0 0 /* Used for receiving packets */
404#define BAP1 2 /* Used for xmiting packets and working with RIDS */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405
406/* Flags */
407#define COMMAND_BUSY 0x8000
408
409#define BAP_BUSY 0x8000
410#define BAP_ERR 0x4000
411#define BAP_DONE 0x2000
412
413#define PROMISC 0xffff
414#define NOPROMISC 0x0000
415
416#define EV_CMD 0x10
417#define EV_CLEARCOMMANDBUSY 0x4000
418#define EV_RX 0x01
419#define EV_TX 0x02
420#define EV_TXEXC 0x04
421#define EV_ALLOC 0x08
422#define EV_LINK 0x80
423#define EV_AWAKE 0x100
424#define EV_TXCPY 0x400
425#define EV_UNKNOWN 0x800
426#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427#define EV_AWAKEN 0x2000
428#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430#ifdef CHECK_UNKNOWN_INTS
431#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432#else
433#define IGNORE_INTS (~STATUS_INTS)
434#endif
435
436/* RID TYPES */
437#define RID_RW 0x20
438
439/* The RIDs */
440#define RID_CAPABILITIES 0xFF00
441#define RID_APINFO 0xFF01
442#define RID_RADIOINFO 0xFF02
443#define RID_UNKNOWN3 0xFF03
444#define RID_RSSI 0xFF04
445#define RID_CONFIG 0xFF10
446#define RID_SSID 0xFF11
447#define RID_APLIST 0xFF12
448#define RID_DRVNAME 0xFF13
449#define RID_ETHERENCAP 0xFF14
450#define RID_WEP_TEMP 0xFF15
451#define RID_WEP_PERM 0xFF16
452#define RID_MODULATION 0xFF17
453#define RID_OPTIONS 0xFF18
454#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455#define RID_FACTORYCONFIG 0xFF21
456#define RID_UNKNOWN22 0xFF22
457#define RID_LEAPUSERNAME 0xFF23
458#define RID_LEAPPASSWORD 0xFF24
459#define RID_STATUS 0xFF50
460#define RID_BEACON_HST 0xFF51
461#define RID_BUSY_HST 0xFF52
462#define RID_RETRIES_HST 0xFF53
463#define RID_UNKNOWN54 0xFF54
464#define RID_UNKNOWN55 0xFF55
465#define RID_UNKNOWN56 0xFF56
466#define RID_MIC 0xFF57
467#define RID_STATS16 0xFF60
468#define RID_STATS16DELTA 0xFF61
469#define RID_STATS16DELTACLEAR 0xFF62
470#define RID_STATS 0xFF68
471#define RID_STATSDELTA 0xFF69
472#define RID_STATSDELTACLEAR 0xFF6A
473#define RID_ECHOTEST_RID 0xFF70
474#define RID_ECHOTEST_RESULTS 0xFF71
475#define RID_BSSLISTFIRST 0xFF72
476#define RID_BSSLISTNEXT 0xFF73
Dan Williams3c304952006-04-15 12:26:18 -0400477#define RID_WPA_BSSLISTFIRST 0xFF74
478#define RID_WPA_BSSLISTNEXT 0xFF75
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479
480typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485} Cmd;
486
487typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492} Resp;
493
494/*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
499
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500/* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
Dan Williams99590ff2009-01-24 09:12:58 -0500502typedef struct WepKeyRid WepKeyRid;
503struct WepKeyRid {
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];
Dan Williams99590ff2009-01-24 09:12:58 -0500509} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700510
511/* These structures are from the Aironet's PC4500 Developers Manual */
Dan Williams99590ff2009-01-24 09:12:58 -0500512typedef struct Ssid Ssid;
513struct Ssid {
Al Viro0dd22122007-12-17 16:11:57 -0500514 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515 u8 ssid[32];
Dan Williams99590ff2009-01-24 09:12:58 -0500516} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700517
Dan Williams99590ff2009-01-24 09:12:58 -0500518typedef struct SsidRid SsidRid;
519struct SsidRid {
Al Viro0dd22122007-12-17 16:11:57 -0500520 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521 Ssid ssids[3];
Dan Williams99590ff2009-01-24 09:12:58 -0500522} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523
Dan Williams99590ff2009-01-24 09:12:58 -0500524typedef struct ModulationRid ModulationRid;
525struct ModulationRid {
Al Viro3eb9b412007-12-21 00:00:35 -0500526 __le16 len;
527 __le16 modulation;
528#define MOD_DEFAULT cpu_to_le16(0)
529#define MOD_CCK cpu_to_le16(1)
530#define MOD_MOK cpu_to_le16(2)
Dan Williams99590ff2009-01-24 09:12:58 -0500531} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532
Dan Williams99590ff2009-01-24 09:12:58 -0500533typedef struct ConfigRid ConfigRid;
534struct ConfigRid {
Al Viro3eb9b412007-12-21 00:00:35 -0500535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537#define MODE_STA_IBSS cpu_to_le16(0)
538#define MODE_STA_ESS cpu_to_le16(1)
539#define MODE_AP cpu_to_le16(2)
540#define MODE_AP_RPTR cpu_to_le16(3)
541#define MODE_CFG_MASK cpu_to_le16(0xff)
542#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552#define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556#define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558#define RXMODE_MASK cpu_to_le16(255)
559#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
Al Viro3eb9b412007-12-21 00:00:35 -0500566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700576 /*---------- Scanning/Associating ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500577 __le16 scanMode;
578#define SCANMODE_ACTIVE cpu_to_le16(0)
579#define SCANMODE_PASSIVE cpu_to_le16(1)
580#define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588#define AUTH_OPEN cpu_to_le16(0x1)
589#define AUTH_ENCRYPT cpu_to_le16(0x101)
590#define AUTH_SHAREDKEY cpu_to_le16(0x102)
591#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599#define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 /*---------- Power save operation ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500602 __le16 powerSaveMode;
603#define POWERSAVE_CAM cpu_to_le16(0)
604#define POWERSAVE_PSP cpu_to_le16(1)
605#define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612 /*---------- Ap/Ibss config items ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621 /*---------- Radio configuration ----------*/
Al Viro3eb9b412007-12-21 00:00:35 -0500622 __le16 radioType;
623#define RADIOTYPE_DEFAULT cpu_to_le16(0)
624#define RADIOTYPE_802_11 cpu_to_le16(1)
625#define RADIOTYPE_LEGACY cpu_to_le16(2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626 u8 rxDiversity;
627 u8 txDiversity;
Al Viro3eb9b412007-12-21 00:00:35 -0500628 __le16 txPower;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629#define TXPOWER_DEFAULT 0
Al Viro3eb9b412007-12-21 00:00:35 -0500630 __le16 rssiThreshold;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700631#define RSSI_DEFAULT 0
Al Viro3eb9b412007-12-21 00:00:35 -0500632 __le16 modulation;
633#define PREAMBLE_AUTO cpu_to_le16(0)
634#define PREAMBLE_LONG cpu_to_le16(1)
635#define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
Al Viro3eb9b412007-12-21 00:00:35 -0500641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647#define MAGIC_ACTION_STSCHG 1
648#define MAGIC_ACTION_RESUME 2
649#define MAGIC_IGNORE_MCAST (1<<8)
650#define MAGIC_IGNORE_BCAST (1<<9)
651#define MAGIC_SWITCH_TO_PSP (0<<10)
652#define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
Al Viro3eb9b412007-12-21 00:00:35 -0500654 __le16 autoWake;
Dan Williams99590ff2009-01-24 09:12:58 -0500655} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656
Dan Williams99590ff2009-01-24 09:12:58 -0500657typedef struct StatusRid StatusRid;
658struct StatusRid {
Al Viro329e2c02007-12-20 22:58:57 -0500659 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660 u8 mac[ETH_ALEN];
Al Viro329e2c02007-12-20 22:58:57 -0500661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
Al Viro329e2c02007-12-20 22:58:57 -0500668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
Al Viro329e2c02007-12-20 22:58:57 -0500690 __le16 load;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691 u8 carrier[4];
Al Viro329e2c02007-12-20 22:58:57 -0500692 __le16 assocStatus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693#define STAT_NOPACKETS 0
694#define STAT_NOCARRIERSET 10
695#define STAT_GOTCARRIERSET 11
696#define STAT_WRONGSSID 20
697#define STAT_BADCHANNEL 25
698#define STAT_BADBITRATES 30
699#define STAT_BADPRIVACY 35
700#define STAT_APFOUND 40
701#define STAT_APREJECTED 50
702#define STAT_AUTHENTICATING 60
703#define STAT_DEAUTHENTICATED 61
704#define STAT_AUTHTIMEOUT 62
705#define STAT_ASSOCIATING 70
706#define STAT_DEASSOCIATED 71
707#define STAT_ASSOCTIMEOUT 72
708#define STAT_NOTAIROAP 73
709#define STAT_ASSOCIATED 80
710#define STAT_LEAPING 90
711#define STAT_LEAPFAILED 91
712#define STAT_LEAPTIMEDOUT 92
713#define STAT_LEAPCOMPLETE 93
Dan Williams99590ff2009-01-24 09:12:58 -0500714} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715
Dan Williams99590ff2009-01-24 09:12:58 -0500716typedef struct StatsRid StatsRid;
717struct StatsRid {
Al Viroa23ace52007-12-19 22:24:16 -0500718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
Dan Williams99590ff2009-01-24 09:12:58 -0500721} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722
Dan Williams99590ff2009-01-24 09:12:58 -0500723typedef struct APListRid APListRid;
724struct APListRid {
Al Viroa7497162007-12-20 17:49:41 -0500725 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700726 u8 ap[4][ETH_ALEN];
Dan Williams99590ff2009-01-24 09:12:58 -0500727} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728
Dan Williams99590ff2009-01-24 09:12:58 -0500729typedef struct CapabilityRid CapabilityRid;
730struct CapabilityRid {
Al Viro56d81bd2007-12-20 17:18:35 -0500731 __le16 len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700732 char oui[3];
733 char zero;
Al Viro56d81bd2007-12-20 17:18:35 -0500734 __le16 prodNum;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
Al Viro56d81bd2007-12-20 17:18:35 -0500740 __le16 radioType;
741 __le16 country;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
Al Viro56d81bd2007-12-20 17:18:35 -0500746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
Dan Williams99590ff2009-01-24 09:12:58 -0500757} __attribute__ ((packed));
Dan Williams3c304952006-04-15 12:26:18 -0400758
759/* Only present on firmware >= 5.30.17 */
Dan Williams99590ff2009-01-24 09:12:58 -0500760typedef struct BSSListRidExtra BSSListRidExtra;
761struct BSSListRidExtra {
Al Viro17e70492007-12-19 18:56:37 -0500762 __le16 unknown[4];
Dan Williams3c304952006-04-15 12:26:18 -0400763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
Dan Williams99590ff2009-01-24 09:12:58 -0500765} __attribute__ ((packed));
Dan Williams3c304952006-04-15 12:26:18 -0400766
Dan Williams99590ff2009-01-24 09:12:58 -0500767typedef struct BSSListRid BSSListRid;
768struct BSSListRid {
Al Viro17e70492007-12-19 18:56:37 -0500769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700771#define RADIO_FH 1 /* Frequency hopping radio type */
772#define RADIO_DS 2 /* Direct sequence radio type */
773#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
Al Viro17e70492007-12-19 18:56:37 -0500774 __le16 radioType;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
Al Viro17e70492007-12-19 18:56:37 -0500779 __le16 dBm;
780#define CAP_ESS cpu_to_le16(1<<0)
781#define CAP_IBSS cpu_to_le16(1<<1)
782#define CAP_PRIVACY cpu_to_le16(1<<4)
783#define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
Al Viro17e70492007-12-19 18:56:37 -0500788 __le16 dwell;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
Al Viro17e70492007-12-19 18:56:37 -0500794 __le16 dsChannel;
795 __le16 atimWindow;
Dan Williams3c304952006-04-15 12:26:18 -0400796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
Dan Williams99590ff2009-01-24 09:12:58 -0500799} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800
801typedef struct {
Dan Williams9e75af32006-03-16 13:46:29 -0500802 BSSListRid bss;
803 struct list_head list;
804} BSSListElement;
805
Dan Williams99590ff2009-01-24 09:12:58 -0500806typedef struct tdsRssiEntry tdsRssiEntry;
807struct tdsRssiEntry {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700808 u8 rssipct;
809 u8 rssidBm;
Dan Williams99590ff2009-01-24 09:12:58 -0500810} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700811
Dan Williams99590ff2009-01-24 09:12:58 -0500812typedef struct tdsRssiRid tdsRssiRid;
813struct tdsRssiRid {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700814 u16 len;
815 tdsRssiEntry x[256];
Dan Williams99590ff2009-01-24 09:12:58 -0500816} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817
Dan Williams99590ff2009-01-24 09:12:58 -0500818typedef struct MICRid MICRid;
819struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823 u8 multicast[16];
Dan Williams99590ff2009-01-24 09:12:58 -0500824 __le16 unicastValid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700825 u8 unicast[16];
Dan Williams99590ff2009-01-24 09:12:58 -0500826} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700827
Dan Williams99590ff2009-01-24 09:12:58 -0500828typedef struct MICBuffer MICBuffer;
829struct MICBuffer {
Al Viro593c2b92007-12-17 15:09:34 -0500830 __be16 typelen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
Al Viro593c2b92007-12-17 15:09:34 -0500842 __be32 mic;
843 __be32 seq;
Dan Williams99590ff2009-01-24 09:12:58 -0500844} __attribute__ ((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700845
846typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849} etherHead;
850
Linus Torvalds1da177e2005-04-16 15:20:36 -0700851#define TXCTL_TXOK (1<<1) /* report if tx is ok */
852#define TXCTL_TXEX (1<<2) /* report if tx fails */
853#define TXCTL_802_3 (0<<3) /* 802.3 packet */
854#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856#define TXCTL_LLC (1<<4) /* payload is llc */
857#define TXCTL_RELEASE (0<<5) /* release after completion */
858#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860#define BUSY_FID 0x10000
861
862#ifdef CISCO_EXT
863#define AIROMAGIC 0xa55a
864/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865#ifdef SIOCIWFIRSTPRIV
866#ifdef SIOCDEVPRIVATE
867#define AIROOLDIOCTL SIOCDEVPRIVATE
868#define AIROOLDIDIFC AIROOLDIOCTL + 1
869#endif /* SIOCDEVPRIVATE */
870#else /* SIOCIWFIRSTPRIV */
871#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872#endif /* SIOCIWFIRSTPRIV */
873/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877#define AIROIOCTL SIOCIWFIRSTPRIV
878#define AIROIDIFC AIROIOCTL + 1
879
880/* Ioctl constants to be used in airo_ioctl.command */
881
882#define AIROGCAP 0 // Capability rid
883#define AIROGCFG 1 // USED A LOT
884#define AIROGSLIST 2 // System ID list
885#define AIROGVLIST 3 // List of specified AP's
886#define AIROGDRVNAM 4 // NOTUSED
887#define AIROGEHTENC 5 // NOTUSED
888#define AIROGWEPKTMP 6
889#define AIROGWEPKNV 7
890#define AIROGSTAT 8
891#define AIROGSTATSC32 9
892#define AIROGSTATSD32 10
893#define AIROGMICRID 11
894#define AIROGMICSTATS 12
895#define AIROGFLAGS 13
896#define AIROGID 14
897#define AIRORRID 15
898#define AIRORSWVERSION 17
899
900/* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902#define AIROPCAP AIROGSTATSD32 + 40
903#define AIROPVLIST AIROPCAP + 1
904#define AIROPSLIST AIROPVLIST + 1
905#define AIROPCFG AIROPSLIST + 1
906#define AIROPSIDS AIROPCFG + 1
907#define AIROPAPLIST AIROPSIDS + 1
908#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910#define AIROPSTCLR AIROPMACOFF + 1
911#define AIROPWEPKEY AIROPSTCLR + 1
912#define AIROPWEPKEYNV AIROPWEPKEY + 1
913#define AIROPLEAPPWD AIROPWEPKEYNV + 1
914#define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916/* Flash codes */
917
918#define AIROFLSHRST AIROPWEPKEYNV + 40
919#define AIROFLSHGCHR AIROFLSHRST + 1
920#define AIROFLSHSTFL AIROFLSHGCHR + 1
921#define AIROFLSHPCHR AIROFLSHSTFL + 1
922#define AIROFLPUTBUF AIROFLSHPCHR + 1
923#define AIRORESTART AIROFLPUTBUF + 1
924
925#define FLASHSIZE 32768
926#define AUXMEMSIZE (256 * 1024)
927
928typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933} aironet_ioctl;
934
Domen Puncer62595eb2005-06-20 23:54:37 +0200935static char swversion[] = "2.1";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700936#endif /* CISCO_EXT */
937
938#define NUM_MODULES 2
939#define MIC_MSGLEN_MAX 2400
940#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
Dan Williams15db2762006-03-16 13:46:27 -0500941#define AIRO_DEF_MTU 2312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942
943typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952} mic_statistics;
953
954typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
Al Viro593c2b92007-12-17 15:09:34 -0500960 __be32 d32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700961 } part; // saves partial message word across update() calls
962} emmh32_context;
963
964typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971} miccntx;
972
973typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976} mic_module;
977
978typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983} Rid;
984
985typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991} TxFid;
992
Dan Williamsf55d4512009-01-24 09:04:12 -0500993struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
999} __attribute__ ((packed));
1000
Linus Torvalds1da177e2005-04-16 15:20:36 -07001001typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007} RxFid;
1008
1009/*
1010 * Host receive descriptor
1011 */
1012typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019} HostRxDesc;
1020
1021/*
1022 * Host transmit descriptor
1023 */
1024typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031} HostTxDesc;
1032
1033/*
1034 * Host RID descriptor
1035 */
1036typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042} HostRidDesc;
1043
1044typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049#define HOST_SET (1 << 0)
1050#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055#define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056#define HOST_RTS (1 << 9) /* Force RTS use */
1057#define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062} TxCtlHdr;
1063
1064typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072} WifiHdr;
1073
1074
1075typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082} WifiCtlHdr;
1083
Jouni Malinenff1d2762005-05-12 22:54:16 -04001084static WifiCtlHdr wifictlhdr8023 = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088};
1089
Linus Torvalds1da177e2005-04-16 15:20:36 -07001090// A few details needed for WEP (Wireless Equivalent Privacy)
1091#define MAX_KEY_SIZE 13 // 128 (?) bits
1092#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096} wep_key_t;
1097
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098/* List of Wireless Handlers (new API) */
1099static const struct iw_handler_def airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001100
1101static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103struct airo_info;
1104
1105static int get_dec_u16( char *buffer, int *start, int limit );
1106static void OUT4500( struct airo_info *, u16 register, u16 value );
1107static unsigned short IN4500( struct airo_info *, u16 register );
1108static u16 setup_card(struct airo_info*, u8 *mac, int lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02001109static int enable_MAC(struct airo_info *ai, int lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001110static void disable_MAC(struct airo_info *ai, int lock);
1111static void enable_interrupts(struct airo_info*);
1112static void disable_interrupts(struct airo_info*);
1113static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
Al Virob8c06bc2007-12-19 17:55:43 -05001115static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001116 int whichbap);
Al Virob8c06bc2007-12-19 17:55:43 -05001117static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001118 int whichbap);
Al Virob8c06bc2007-12-19 17:55:43 -05001119static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001120 int whichbap);
1121static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131static int mpi_send_packet (struct net_device *dev);
1132static void mpi_unmap_card(struct pci_dev *pci);
1133static void mpi_receive_802_3(struct airo_info *ai);
1134static void mpi_receive_802_11(struct airo_info *ai);
1135static int waitbusy (struct airo_info *ai);
1136
David Howells7d12e782006-10-05 14:55:46 +01001137static irqreturn_t airo_interrupt( int irq, void* dev_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138static int airo_thread(void *data);
1139static void timer_func( struct net_device *dev );
1140static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001141static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001142static void airo_read_wireless_stats (struct airo_info *local);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143#ifdef CISCO_EXT
1144static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145static int writerids(struct net_device *dev, aironet_ioctl *comp);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001146static int flashcard(struct net_device *dev, aironet_ioctl *comp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001147#endif /* CISCO_EXT */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148static void micinit(struct airo_info *ai);
1149static int micsetup(struct airo_info *ai);
1150static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
Dan Williams41480af2005-05-10 09:45:51 -04001153static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
Dan Williams9e75af32006-03-16 13:46:29 -05001156static void airo_networks_free(struct airo_info *ai);
1157
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158struct airo_info {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001159 struct net_device *dev;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01001160 struct list_head dev_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163#define MAX_FIDS 6
1164#define MPI_MAX_FIDS 1
Hannes Eder9e05a2d2009-02-14 11:49:26 +00001165 u32 fids[MAX_FIDS];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001171#define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173#define FLAG_RADIO_MASK 0x03
1174#define FLAG_ENABLED 2
1175#define FLAG_ADHOC 3 /* Needed by MIC */
1176#define FLAG_MIC_CAPABLE 4
1177#define FLAG_UPDATE_MULTI 5
1178#define FLAG_UPDATE_UNI 6
1179#define FLAG_802_11 7
Dan Williams3c304952006-04-15 12:26:18 -04001180#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001181#define FLAG_PENDING_XMIT 9
1182#define FLAG_PENDING_XMIT11 10
1183#define FLAG_MPI 11
1184#define FLAG_REGISTERED 12
1185#define FLAG_COMMIT 13
1186#define FLAG_RESET 14
1187#define FLAG_FLASHING 15
Dan Williams3c304952006-04-15 12:26:18 -04001188#define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190#define JOB_DIE 0
1191#define JOB_XMIT 1
1192#define JOB_XMIT11 2
1193#define JOB_STATS 3
1194#define JOB_PROMISC 4
1195#define JOB_MIC 5
1196#define JOB_EVENT 6
1197#define JOB_AUTOWEP 7
1198#define JOB_WSTATS 8
1199#define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
Al Virob8c06bc2007-12-19 17:55:43 -05001201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001207 struct semaphore sem;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208 wait_queue_head_t thr_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001215 struct iw_statistics wstats; // wireless stats
Dan Williams9e75af32006-03-16 13:46:29 -05001216 unsigned long scan_timeout; /* Time scan should be read */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001219 /* MIC stuff */
Herbert Xuf12cc202006-08-22 20:36:13 +10001220 struct crypto_cipher *tfm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221 mic_module mod[2];
1222 mic_statistics micstats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
Pavel Machek1cc68ae2005-06-20 15:33:04 -07001233 pm_message_t power;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001234 SsidRid *SSID;
1235 APListRid *APList;
1236#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
Dan Williams9e75af32006-03-16 13:46:29 -05001238
Dan Williams138c0c62009-01-24 09:11:35 -05001239 int wep_capable;
1240 int max_wep_idx;
1241
Dan Williams3c304952006-04-15 12:26:18 -04001242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
Dan Williams9e75af32006-03-16 13:46:29 -05001247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001250};
1251
Al Virob8c06bc2007-12-19 17:55:43 -05001252static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256}
1257
1258static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
Jouni Malinenff1d2762005-05-12 22:54:16 -04001263static int cmdreset(struct airo_info *ai);
1264static int setflashmode (struct airo_info *ai);
1265static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266static int flashputbuf(struct airo_info *ai);
1267static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
Dan Williams934d8bf2006-03-16 13:46:23 -05001269#define airo_print(type, name, fmt, args...) \
Michal Schmidt1138c372007-06-29 15:33:41 +02001270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
Dan Williams934d8bf2006-03-16 13:46:23 -05001271
1272#define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275#define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278#define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281#define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
Wang Chenfaf39942008-10-14 13:30:33 +08001284#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
Dan Williams934d8bf2006-03-16 13:46:23 -05001285
Linus Torvalds1da177e2005-04-16 15:20:36 -07001286/***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292static void MoveWindow(miccntx *context, u32 micSeq);
Herbert Xuf12cc202006-08-22 20:36:13 +10001293static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
Jouni Malinenff1d2762005-05-12 22:54:16 -04001295static void emmh32_init(emmh32_context *context);
1296static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001299
Dan Williams018697d2009-01-24 09:13:32 -05001300static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302{
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321}
1322
Linus Torvalds1da177e2005-04-16 15:20:36 -07001323/* micinit - Initialize mic seed */
1324
1325static void micinit(struct airo_info *ai)
1326{
1327 MICRid mic_rid;
1328
Dan Williams3c304952006-04-15 12:26:18 -04001329 clear_bit(JOB_MIC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
Dan Williams018697d2009-01-24 09:13:32 -05001333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
Dan Williams018697d2009-01-24 09:13:32 -05001340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353 }
1354}
1355
1356/* micsetup - Get ready for business */
1357
1358static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
Herbert Xuf12cc202006-08-22 20:36:13 +10001362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001363
Herbert Xuf12cc202006-08-22 20:36:13 +10001364 if (IS_ERR(ai->tfm)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001365 airo_print_err(ai->dev->name, "failed to load transform for AES");
Herbert Xuf12cc202006-08-22 20:36:13 +10001366 ai->tfm = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375}
1376
Jouni Malinenff1d2762005-05-12 22:54:16 -04001377static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
Linus Torvalds1da177e2005-04-16 15:20:36 -07001378
1379/*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396{
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428}
1429
1430typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436} mic_error;
1437
1438/*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452{
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539}
1540
1541/*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556{
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601}
1602
1603static void MoveWindow(miccntx *context, u32 micSeq)
1604{
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619}
1620
1621/*==============================================*/
1622/*========== EMMH ROUTINES ====================*/
1623/*==============================================*/
1624
1625/* mic accumulate */
1626#define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629static unsigned char aes_counter[16];
1630
1631/* expand the key to fill the MMH coefficient array */
Herbert Xuf12cc202006-08-22 20:36:13 +10001632static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001634{
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
Herbert Xuf12cc202006-08-22 20:36:13 +10001651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
Ahmed S. Darwishe7c04fd2007-02-05 18:58:29 +02001653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
Al Viro593c2b92007-12-17 15:09:34 -05001654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001655 j += 4;
1656 }
1657 }
1658}
1659
1660/* prepare for calculation of a new mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001661static void emmh32_init(emmh32_context *context)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001662{
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666}
1667
1668/* add some bytes to the mic calculation */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001669static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001670{
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
Al Viro593c2b92007-12-17 15:09:34 -05001687 MIC_ACCUM(ntohl(context->part.d32));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
Al Viro593c2b92007-12-17 15:09:34 -05001692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705}
1706
1707/* mask used to zero empty bytes for final partial word */
1708static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710/* calculate the mic */
Jouni Malinenff1d2762005-05-12 22:54:16 -04001711static void emmh32_final(emmh32_context *context, u8 digest[4])
Linus Torvalds1da177e2005-04-16 15:20:36 -07001712{
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
Al Viro593c2b92007-12-17 15:09:34 -05001725 val = ntohl(context->part.d32);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001743
1744static int readBSSListRid(struct airo_info *ai, int first,
Al Viro17e70492007-12-19 18:56:37 -05001745 BSSListRid *list)
1746{
Dan Williams3c304952006-04-15 12:26:18 -04001747 Cmd cmd;
1748 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001749
1750 if (first == 1) {
Dan Williams3c304952006-04-15 12:26:18 -04001751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001756 ai->list_bss_task = current;
Dan Williams3c304952006-04-15 12:26:18 -04001757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07001760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
Dan Williams3c304952006-04-15 12:26:18 -04001762 }
Al Viro17e70492007-12-19 18:56:37 -05001763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
Dan Williams3c304952006-04-15 12:26:18 -04001764 list, ai->bssListRidLen, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001765}
1766
Al Viro4293ea32007-12-19 19:21:51 -05001767static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768{
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001770 wkr, sizeof(*wkr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001771}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001772
Al Viro4293ea32007-12-19 19:21:51 -05001773static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774{
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001779 if (perm) {
Al Viro4293ea32007-12-19 19:21:51 -05001780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
Dan Williams934d8bf2006-03-16 13:46:23 -05001782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001783 }
1784 return rc;
1785}
1786
Al Viro0dd22122007-12-17 16:11:57 -05001787static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788{
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001790}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001791
Al Viro0dd22122007-12-17 16:11:57 -05001792static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793{
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001795}
Al Viro0dd22122007-12-17 16:11:57 -05001796
Al Viro3eb9b412007-12-21 00:00:35 -05001797static int readConfigRid(struct airo_info *ai, int lock)
1798{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
Linus Torvalds1da177e2005-04-16 15:20:36 -07001809 ai->config = cfg;
1810 return SUCCESS;
1811}
Al Viro3eb9b412007-12-21 00:00:35 -05001812
1813static inline void checkThrottle(struct airo_info *ai)
1814{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001815 int i;
1816/* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824}
Al Viro3eb9b412007-12-21 00:00:35 -05001825
1826static int writeConfigRid(struct airo_info *ai, int lock)
1827{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
Al Viro3eb9b412007-12-21 00:00:35 -05001838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
Linus Torvalds1da177e2005-04-16 15:20:36 -07001843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001845
Al Viro329e2c02007-12-20 22:58:57 -05001846static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847{
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001849}
Al Viroa7497162007-12-20 17:49:41 -05001850
1851static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852{
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001854}
Al Viroa7497162007-12-20 17:49:41 -05001855
1856static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857{
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001859}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001860
Al Viro56d81bd2007-12-20 17:18:35 -05001861static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862{
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001864}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001865
Al Viroa23ace52007-12-19 22:24:16 -05001866static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867{
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001869}
1870
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001871static void try_auto_wep(struct airo_info *ai)
1872{
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001878
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001879static int airo_open(struct net_device *dev) {
Wang Chenfaf39942008-10-14 13:30:33 +08001880 struct airo_info *ai = dev->ml_priv;
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001881 int rc = 0;
1882
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001893 }
1894
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
Linus Torvalds1da177e2005-04-16 15:20:36 -07001912 /* Power on the MAC controller (which may have been disabled) */
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02001913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001917 }
Michal Schmidt175ec1a2007-06-29 15:33:47 +02001918 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001919
1920 netif_start_queue(dev);
1921 return 0;
1922}
1923
Stephen Hemmingerd0cf9c02009-08-31 19:50:57 +00001924static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001927 int npacks, pending;
1928 unsigned long flags;
Wang Chenfaf39942008-10-14 13:30:33 +08001929 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001930
1931 if (!skb) {
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07001932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
Patrick McHardy6ed10652009-06-23 06:03:08 +00001933 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03001940 dev->stats.tx_fifo_errors++;
Patrick McHardy5b548142009-06-12 06:22:29 +00001941 return NETDEV_TX_BUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001942 }
1943 skb_queue_tail (&ai->txq, skb);
Patrick McHardy6ed10652009-06-23 06:03:08 +00001944 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
Patrick McHardy6ed10652009-06-23 06:03:08 +00001957 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001958}
1959
1960/*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967static int mpi_send_packet (struct net_device *dev)
1968{
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
Al Viro593c2b92007-12-17 15:09:34 -05001971 s16 len;
1972 __le16 *payloadLen;
Wang Chenfaf39942008-10-14 13:30:33 +08001973 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
Al Viro79ea13c2008-01-24 02:06:46 -08001978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
Dan Williams934d8bf2006-03-16 13:46:23 -05001979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07001981 __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994/*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
Al Viro593c2b92007-12-17 15:09:34 -05002005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
Linus Torvalds1da177e2005-04-16 15:20:36 -07002006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
Al Viro593c2b92007-12-17 15:09:34 -05002015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
Adrian Bunka39d3e72006-01-21 01:35:15 +01002030 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046}
2047
Gabriel A. Devenyi29b09fc2005-11-03 19:30:47 -05002048static void get_tx_error(struct airo_info *ai, s32 fid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002049{
Al Viro593c2b92007-12-17 15:09:34 -05002050 __le16 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002060 ai->dev->stats.tx_aborted_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002062 ai->dev->stats.tx_heartbeat_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002066 ai->dev->stats.tx_carrier_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
Al Virob8c06bc2007-12-19 17:55:43 -05002081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097}
2098
2099static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
Wang Chenfaf39942008-10-14 13:30:33 +08002102 struct airo_info *priv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
Dan Williams3c304952006-04-15 12:26:18 -04002107 clear_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002118 dev->stats.tx_window_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123}
2124
Stephen Hemmingerd0cf9c02009-08-31 19:50:57 +00002125static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002128 s16 len;
2129 int i, j;
Wang Chenfaf39942008-10-14 13:30:33 +08002130 struct airo_info *priv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07002134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
Patrick McHardy6ed10652009-06-23 06:03:08 +00002135 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002146 dev->stats.tx_fifo_errors++;
Patrick McHardy5b548142009-06-12 06:22:29 +00002147 return NETDEV_TX_BUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002159 set_bit(JOB_XMIT, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
Patrick McHardy6ed10652009-06-23 06:03:08 +00002163 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002164}
2165
2166static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
Wang Chenfaf39942008-10-14 13:30:33 +08002169 struct airo_info *priv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
Dan Williams3c304952006-04-15 12:26:18 -04002174 clear_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002185 dev->stats.tx_window_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190}
2191
Stephen Hemmingerd0cf9c02009-08-31 19:50:57 +00002192static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002195 s16 len;
2196 int i, j;
Wang Chenfaf39942008-10-14 13:30:33 +08002197 struct airo_info *priv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
Patrick McHardy4153e772009-06-12 04:08:02 +00002203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002205 }
2206
2207 if ( skb == NULL ) {
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07002208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
Patrick McHardy6ed10652009-06-23 06:03:08 +00002209 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002220 dev->stats.tx_fifo_errors++;
Patrick McHardy5b548142009-06-12 06:22:29 +00002221 return NETDEV_TX_BUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
Dan Williams3c304952006-04-15 12:26:18 -04002233 set_bit(JOB_XMIT11, &priv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
Patrick McHardy6ed10652009-06-23 06:03:08 +00002237 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002238}
2239
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002240static void airo_read_stats(struct net_device *dev)
Al Viroa23ace52007-12-19 22:24:16 -05002241{
Wang Chenfaf39942008-10-14 13:30:33 +08002242 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002243 StatsRid stats_rid;
Al Viroa23ace52007-12-19 22:24:16 -05002244 __le32 *vals = stats_rid.vals;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002245
Dan Williams3c304952006-04-15 12:26:18 -04002246 clear_bit(JOB_STATS, &ai->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07002247 if (ai->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
Al Viroa23ace52007-12-19 22:24:16 -05002255 le32_to_cpu(vals[45]);
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
Al Viroa23ace52007-12-19 22:24:16 -05002257 le32_to_cpu(vals[41]);
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
Al Viroa23ace52007-12-19 22:24:16 -05002261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002266
2267 /* detailed rx_errors: */
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002272}
2273
Jouni Malinenff1d2762005-05-12 22:54:16 -04002274static struct net_device_stats *airo_get_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002275{
Wang Chenfaf39942008-10-14 13:30:33 +08002276 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002277
Dan Williams3c304952006-04-15 12:26:18 -04002278 if (!test_bit(JOB_STATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002281 set_bit(JOB_STATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002282 wake_up_interruptible(&local->thr_wait);
2283 } else
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002284 airo_read_stats(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002285 }
2286
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03002287 return &dev->stats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002288}
2289
2290static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
Dan Williams3c304952006-04-15 12:26:18 -04002296 clear_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300}
2301
2302static void airo_set_multicast_list(struct net_device *dev) {
Wang Chenfaf39942008-10-14 13:30:33 +08002303 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04002308 set_bit(JOB_PROMISC, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00002314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317}
2318
2319static int airo_set_mac_address(struct net_device *dev, void *p)
2320{
Wang Chenfaf39942008-10-14 13:30:33 +08002321 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002322 struct sockaddr *addr = p;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02002329 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334}
2335
2336static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337{
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342}
2343
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002344static LIST_HEAD(airo_devices);
2345
2346static void add_airo_dev(struct airo_info *ai)
2347{
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352}
2353
2354static void del_airo_dev(struct airo_info *ai)
2355{
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002359
2360static int airo_close(struct net_device *dev) {
Wang Chenfaf39942008-10-14 13:30:33 +08002361 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366#ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374#endif
2375 disable_interrupts( ai );
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002381 }
2382 return 0;
2383}
2384
Linus Torvalds1da177e2005-04-16 15:20:36 -07002385void stop_airo_card( struct net_device *dev, int freeres )
2386{
Wang Chenfaf39942008-10-14 13:30:33 +08002387 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002402 /*
2403 * Clean out tx queue
2404 */
David S. Millerb03efcf2005-07-08 14:57:23 -07002405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
Dan Williams9e75af32006-03-16 13:46:29 -05002411 airo_networks_free (ai);
2412
Jesper Juhlb4558ea2005-10-28 16:53:13 -04002413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
Herbert Xuf12cc202006-08-22 20:36:13 +10002431 crypto_free_cipher(ai->tfm);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002432 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002433 free_netdev( dev );
2434}
2435
2436EXPORT_SYMBOL(stop_airo_card);
2437
Stephen Hemmingerb95cce32007-09-26 22:13:38 -07002438static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002439{
Arnaldo Carvalho de Melo98e399f2007-03-19 15:33:04 -07002440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002441 return ETH_ALEN;
2442}
2443
2444static void mpi_unmap_card(struct pci_dev *pci)
2445{
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453}
2454
2455/*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462static int mpi_init_descriptors (struct airo_info *ai)
2463{
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531}
2532
2533/*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
Michal Schmidt1138c372007-06-29 15:33:41 +02002539static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002540{
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
Michal Schmidt1138c372007-06-29 15:33:41 +02002553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002556 goto out;
2557 }
Michal Schmidt1138c372007-06-29 15:33:41 +02002558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002588 busaddroff = ai->shared_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002612 ai->txfids[i].tx_desc.host_addr = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
Jeff Garzik2759c8d2005-09-24 04:09:04 -04002625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651}
2652
Stephen Hemminger3b04ddd2007-10-09 01:40:57 -07002653static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655};
2656
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002657static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665};
2666
Linus Torvalds1da177e2005-04-16 15:20:36 -07002667static void wifi_setup(struct net_device *dev)
2668{
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002669 dev->netdev_ops = &airo11_netdev_ops;
Stephen Hemminger3b04ddd2007-10-09 01:40:57 -07002670 dev->header_ops = &airo_header_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002671 dev->wireless_handlers = &airo_handler_def;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
Dan Williams15db2762006-03-16 13:46:27 -05002675 dev->mtu = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682}
2683
2684static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686{
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
Wang Chenfaf39942008-10-14 13:30:33 +08002691 dev->ml_priv = ethdev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002694 dev->wireless_data = ethdev->wireless_data;
Masakazu Mokuno229ce3a2008-05-14 14:16:50 +09002695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703}
2704
Jouni Malinenff1d2762005-05-12 22:54:16 -04002705static int reset_card( struct net_device *dev , int lock) {
Wang Chenfaf39942008-10-14 13:30:33 +08002706 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718}
2719
Dan Williams3c304952006-04-15 12:26:18 -04002720#define AIRO_MAX_NETWORK_COUNT 64
Dan Williams9e75af32006-03-16 13:46:29 -05002721static int airo_networks_allocate(struct airo_info *ai)
2722{
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks =
Dan Williams3c304952006-04-15 12:26:18 -04002727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
Dan Williams9e75af32006-03-16 13:46:29 -05002728 GFP_KERNEL);
2729 if (!ai->networks) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002730 airo_print_warn("", "Out of memory allocating beacons");
Dan Williams9e75af32006-03-16 13:46:29 -05002731 return -ENOMEM;
2732 }
2733
2734 return 0;
2735}
2736
2737static void airo_networks_free(struct airo_info *ai)
2738{
Dan Williams9e75af32006-03-16 13:46:29 -05002739 kfree(ai->networks);
2740 ai->networks = NULL;
2741}
2742
2743static void airo_networks_initialize(struct airo_info *ai)
2744{
2745 int i;
2746
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
Dan Williams3c304952006-04-15 12:26:18 -04002749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
Dan Williams9e75af32006-03-16 13:46:29 -05002750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2752}
2753
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002754static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002763 .ndo_validate_addr = eth_validate_addr,
2764};
2765
2766static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002775 .ndo_validate_addr = eth_validate_addr,
2776};
2777
2778
Jouni Malinenff1d2762005-05-12 22:54:16 -04002779static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
Linus Torvalds1da177e2005-04-16 15:20:36 -07002782{
2783 struct net_device *dev;
2784 struct airo_info *ai;
2785 int i, rc;
Dan Williamsf65b56d2009-01-24 09:10:42 -05002786 CapabilityRid cap_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002787
2788 /* Create the network device object. */
Michal Schmidt1138c372007-06-29 15:33:41 +02002789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 if (!dev) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002791 airo_print_err("", "Couldn't alloc_etherdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002792 return NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002793 }
2794
Wang Chenfaf39942008-10-14 13:30:33 +08002795 ai = dev->ml_priv = netdev_priv(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002796 ai->wifidev = NULL;
Michal Schmidtfb038c22007-06-29 15:33:52 +02002797 ai->flags = 1 << FLAG_RADIO_DOWN;
Dan Williams3c304952006-04-15 12:26:18 -04002798 ai->jobs = 0;
Dan Williams934d8bf2006-03-16 13:46:23 -05002799 ai->dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002801 airo_print_dbg("", "Found an MPI350 card");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002802 set_bit(FLAG_MPI, &ai->flags);
2803 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2806 ai->config.len = 0;
2807 ai->pci = pci;
2808 init_waitqueue_head (&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002809 ai->tfm = NULL;
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002810 add_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002811
Dan Williams9e75af32006-03-16 13:46:29 -05002812 if (airo_networks_allocate (ai))
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002813 goto err_out_free;
Dan Williams9e75af32006-03-16 13:46:29 -05002814 airo_networks_initialize (ai);
2815
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002816 skb_queue_head_init (&ai->txq);
2817
Linus Torvalds1da177e2005-04-16 15:20:36 -07002818 /* The Airo-specific entries in the device structure. */
Stephen Hemminger7ae41cc2009-03-20 19:36:26 +00002819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2821 else
2822 dev->netdev_ops = &airo_netdev_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002826 dev->irq = irq;
2827 dev->base_addr = port;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
Matthieu CASTET1d97f382005-12-01 02:35:26 -05002831 reset_card (dev, 1);
2832 msleep(400);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002833
Linus Torvalds1da177e2005-04-16 15:20:36 -07002834 if (!is_pcmcia) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002836 rc = -EBUSY;
Dan Williams934d8bf2006-03-16 13:46:23 -05002837 airo_print_err(dev->name, "Couldn't request region");
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02002838 goto err_out_nets;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
Michal Schmidt1138c372007-06-29 15:33:41 +02002843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
Dan Williamsf65b56d2009-01-24 09:10:42 -05002850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002851 airo_print_err(dev->name, "MAC could not be enabled" );
Linus Torvalds1da177e2005-04-16 15:20:36 -07002852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
Michal Schmidt1138c372007-06-29 15:33:41 +02002860 strcpy(dev->name, "eth%d");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002861 rc = register_netdev(dev);
2862 if (rc) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002863 airo_print_err(dev->name, "Couldn't register_netdev");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
Florin Malita431aca52006-10-10 16:46:30 -04002867 if (!ai->wifidev)
2868 goto err_out_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002869
Dan Williamsf65b56d2009-01-24 09:10:42 -05002870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
Dan Williams138c0c62009-01-24 09:11:35 -05002875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
Dan Williamsf65b56d2009-01-24 09:10:42 -05002878
matthieu castetf3a981f2010-02-28 15:42:54 +01002879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
Dan Williamsf65b56d2009-01-24 09:10:42 -05002880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
Linus Torvalds1da177e2005-04-16 15:20:36 -07002904 set_bit(FLAG_REGISTERED,&ai->flags);
Johannes Berge1749612008-10-27 15:59:26 -07002905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002911
Wang Chenfaf39942008-10-14 13:30:33 +08002912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
Florin Malita431aca52006-10-10 16:46:30 -04002913 goto err_out_wifi;
2914
Linus Torvalds1da177e2005-04-16 15:20:36 -07002915 return dev;
2916
Florin Malita431aca52006-10-10 16:46:30 -04002917err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920err_out_reg:
2921 unregister_netdev(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002922err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
Michal Schmidt4d881902007-03-16 12:42:59 +01002932err_out_nets:
2933 airo_networks_free(ai);
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01002934 del_airo_dev(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002935err_out_free:
2936 free_netdev(dev);
2937 return NULL;
2938}
2939
2940struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942{
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944}
2945
2946EXPORT_SYMBOL(init_airo_card);
2947
2948static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
Andrew Mortonb212f332008-05-28 12:40:39 -07002950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956}
2957
2958int reset_airo_card( struct net_device *dev )
2959{
2960 int i;
Wang Chenfaf39942008-10-14 13:30:33 +08002961 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05002967 airo_print_err(dev->name, "MAC could not be enabled");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002968 return -1;
2969 }
Johannes Berge1749612008-10-27 15:59:26 -07002970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
Dan Williams15db2762006-03-16 13:46:27 -05002974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979}
2980
2981EXPORT_SYMBOL(reset_airo_card);
2982
2983static void airo_send_event(struct net_device *dev) {
Wang Chenfaf39942008-10-14 13:30:33 +08002984 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
Dan Williams3c304952006-04-15 12:26:18 -04002988 clear_bit(JOB_EVENT, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998}
2999
Dan Williams9e75af32006-03-16 13:46:29 -05003000static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
Dan Williams3c304952006-04-15 12:26:18 -04003002 BSSListRid bss;
Dan Williams9e75af32006-03-16 13:46:29 -05003003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
Dan Williams3c304952006-04-15 12:26:18 -04003015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
Al Viro17e70492007-12-19 18:56:37 -05003016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
Dan Williams9e75af32006-03-16 13:46:29 -05003017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
Al Viro17e70492007-12-19 18:56:37 -05003023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
Dan Williams9e75af32006-03-16 13:46:29 -05003024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
Dan Williams3c304952006-04-15 12:26:18 -04003032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
Dan Williams9e75af32006-03-16 13:46:29 -05003033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
Dan Williams3c304952006-04-15 12:26:18 -04003038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
Dan Williams9e75af32006-03-16 13:46:29 -05003040 }
3041
3042out:
3043 ai->scan_timeout = 0;
Dan Williams3c304952006-04-15 12:26:18 -04003044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057}
3058
Linus Torvalds1da177e2005-04-16 15:20:36 -07003059static int airo_thread(void *data) {
3060 struct net_device *dev = data;
Wang Chenfaf39942008-10-14 13:30:33 +08003061 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003062 int locked;
Rafael J. Wysocki83144182007-07-17 04:03:35 -07003063
3064 set_freezable();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003065 while(1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003066 /* make swsusp happy with our thread */
Christoph Lameter3e1d1d22005-06-24 23:13:50 -07003067 try_to_freeze();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003068
Dan Williams3c304952006-04-15 12:26:18 -04003069 if (test_bit(JOB_DIE, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003070 break;
3071
Dan Williams3c304952006-04-15 12:26:18 -04003072 if (ai->jobs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
Dan Williams3c304952006-04-15 12:26:18 -04003081 if (ai->jobs)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003082 break;
Dan Williams9e75af32006-03-16 13:46:29 -05003083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
Dan Williams3c304952006-04-15 12:26:18 -04003086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
Dan Williams9e75af32006-03-16 13:46:29 -05003087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
Dan Williams3c304952006-04-15 12:26:18 -04003090 set_bit(JOB_AUTOWEP, &ai->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003091 break;
3092 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
Dan Williams9e75af32006-03-16 13:46:29 -05003095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003104 continue;
3105 }
Dave Kleikamp5bb85f12006-10-10 14:45:46 -07003106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
Dan Williams3c304952006-04-15 12:26:18 -04003121 if (test_bit(JOB_DIE, &ai->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003122 up(&ai->sem);
3123 break;
3124 }
3125
Pavel Machekca078ba2005-09-03 15:56:57 -07003126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003127 up(&ai->sem);
3128 continue;
3129 }
3130
Dan Williams3c304952006-04-15 12:26:18 -04003131 if (test_bit(JOB_XMIT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003132 airo_end_xmit(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003133 else if (test_bit(JOB_XMIT11, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003134 airo_end_xmit11(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003135 else if (test_bit(JOB_STATS, &ai->jobs))
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03003136 airo_read_stats(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003137 else if (test_bit(JOB_WSTATS, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003138 airo_read_wireless_stats(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003139 else if (test_bit(JOB_PROMISC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003140 airo_set_promisc(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003141 else if (test_bit(JOB_MIC, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003142 micinit(ai);
Dan Williams3c304952006-04-15 12:26:18 -04003143 else if (test_bit(JOB_EVENT, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003144 airo_send_event(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003146 timer_func(dev);
Dan Williams3c304952006-04-15 12:26:18 -04003147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
Dan Williams9e75af32006-03-16 13:46:29 -05003148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003151 }
Sukadev Bhattiprolu3b4c7d642006-08-14 23:12:03 -07003152
3153 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003154}
3155
Al Viro0300b332007-12-19 22:38:33 -05003156static int header_len(__le16 ctl)
3157{
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169}
3170
Dan Williamsf55d4512009-01-24 09:04:12 -05003171static void airo_handle_cisco_mic(struct airo_info *ai)
3172{
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177}
3178
3179/* Airo Status codes */
3180#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189#define STAT_ASSOC 0x0400 /* Associated */
3190#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192static void airo_print_status(const char *devname, u16 status)
3193{
3194 u8 reason = status & 0xFF;
3195
matthieu castet3bc819e2010-02-28 15:31:21 +01003196 switch (status & 0xFF00) {
Dan Williamsf55d4512009-01-24 09:04:12 -05003197 case STAT_NOBEACON:
matthieu castet3bc819e2010-02-28 15:31:21 +01003198 switch (status) {
3199 case STAT_NOBEACON:
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3201 break;
3202 case STAT_MAXRETRIES:
3203 case STAT_MAXARL:
3204 airo_print_dbg(devname, "link lost (max retries)");
3205 break;
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3208 break;
3209 case STAT_TSFSYNC:
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3211 break;
3212 default:
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3214 break;
3215 }
Dan Williamsf55d4512009-01-24 09:04:12 -05003216 break;
3217 case STAT_DEAUTH:
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3219 break;
3220 case STAT_DISASSOC:
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 break;
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3225 reason);
3226 break;
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3229 reason);
3230 break;
matthieu castet3bc819e2010-02-28 15:31:21 +01003231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
Dan Williamsf55d4512009-01-24 09:04:12 -05003234 default:
matthieu castet3bc819e2010-02-28 15:31:21 +01003235 airo_print_dbg(devname, "unknow status %x\n", status);
Dan Williamsf55d4512009-01-24 09:04:12 -05003236 break;
3237 }
3238}
3239
3240static void airo_handle_link(struct airo_info *ai)
3241{
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
3244 u16 status;
3245
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3249
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3251 scan_forceloss = 1;
3252
3253 airo_print_status(ai->dev->name, status);
3254
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3256 if (auto_wep)
3257 ai->expires = 0;
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3266 } else
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3278 }
3279}
3280
3281static void airo_handle_rx(struct airo_info *ai)
3282{
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3286 struct rx_hdr hdr;
3287 int success = 0;
3288
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3292 else
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3295 return;
3296 }
3297
3298 fid = IN4500(ai, RXFID);
3299
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3306 hdr.len = 0;
3307 if (ai->wifidev == NULL)
3308 hdr.len = 0;
3309 } else {
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3312 }
3313 len = le16_to_cpu(hdr.len);
3314
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3317 goto done;
3318 }
3319 if (len == 0)
3320 goto done;
3321
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3325 } else
3326 hdrlen = ETH_ALEN * 2;
3327
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 if (!skb) {
3330 ai->dev->stats.rx_dropped++;
3331 goto done;
3332 }
3333
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 buffer[0] = fc;
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 if (hdrlen == 24)
3340 bap_read(ai, tmpbuf, 6, BAP0);
3341
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3344 if (gap) {
3345 if (gap <= 8) {
3346 bap_read(ai, tmpbuf, gap, BAP0);
3347 } else {
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3350 }
3351 }
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3353 } else {
3354 MICBuffer micbuf;
3355
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3361 else {
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3364 goto done;
3365 }
3366
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3369 }
3370 }
3371
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3375 else
3376 success = 1;
3377 }
3378
3379#ifdef WIRELESS_SPY
3380 if (success && (ai->spy_data.spy_number > 0)) {
3381 char *sa;
3382 struct iw_quality wstats;
3383
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 } else
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3392 if (ai->rssi)
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 else
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3399 | IW_QUAL_DBM;
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3402 }
3403#endif /* WIRELESS_SPY */
3404
3405done:
3406 OUT4500(ai, EVACK, EV_RX);
3407
3408 if (success) {
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3414 } else
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 netif_rx(skb);
3419 }
3420}
3421
3422static void airo_handle_tx(struct airo_info *ai, u16 status)
3423{
3424 int i, len = 0, index = -1;
3425 u16 fid;
3426
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3429
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3432
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3437 } else {
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3441 }
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3443 return;
3444 }
3445
3446 fid = IN4500(ai, TXCOMPLFID);
3447
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3451 index = i;
3452 }
3453 }
3454
3455 if (index != -1) {
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3458
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3466 } else {
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3469 }
3470 } else {
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3473 }
3474}
3475
Jeff Garzik28fc1f52007-10-29 05:46:16 -04003476static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477{
3478 struct net_device *dev = dev_id;
Dan Williamsf55d4512009-01-24 09:04:12 -05003479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
Dan Williamsf55d4512009-01-24 09:04:12 -05003487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003490
3491 handled = 1;
3492
Dan Williamsf55d4512009-01-24 09:04:12 -05003493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003496 }
3497
3498 if (!savedInterrupts) {
Dan Williamsf55d4512009-01-24 09:04:12 -05003499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003501 }
3502
Dan Williamsf55d4512009-01-24 09:04:12 -05003503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003506 }
Dan Williams6fcdf562006-03-31 15:08:46 -05003507
Dan Williamsf55d4512009-01-24 09:04:12 -05003508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003511 }
3512
3513 /* Check to see if there is something to receive */
Dan Williamsf55d4512009-01-24 09:04:12 -05003514 if (status & EV_RX)
3515 airo_handle_rx(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003516
3517 /* Check to see if a packet has been transmitted */
Dan Williamsf55d4512009-01-24 09:04:12 -05003518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003520
Dan Williamsf55d4512009-01-24 09:04:12 -05003521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
Linus Torvalds1da177e2005-04-16 15:20:36 -07003523 status & ~STATUS_INTS & ~IGNORE_INTS );
Dan Williamsf55d4512009-01-24 09:04:12 -05003524 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003525 }
3526
3527 if (savedInterrupts)
Dan Williamsf55d4512009-01-24 09:04:12 -05003528 OUT4500(ai, EVINTEN, savedInterrupts);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003529
Linus Torvalds1da177e2005-04-16 15:20:36 -07003530 return IRQ_RETVAL(handled);
3531}
3532
3533/*
3534 * Routines to talk to the card
3535 */
3536
3537/*
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3541 */
3542static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3544 reg <<= 1;
3545 if ( !do8bitIO )
3546 outw( val, ai->dev->base_addr + reg );
3547 else {
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3550 }
3551}
3552
3553static u16 IN4500( struct airo_info *ai, u16 reg ) {
3554 unsigned short rc;
3555
3556 if (test_bit(FLAG_MPI,&ai->flags))
3557 reg <<= 1;
3558 if ( !do8bitIO )
3559 rc = inw( ai->dev->base_addr + reg );
3560 else {
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3563 }
3564 return rc;
3565}
3566
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003567static int enable_MAC(struct airo_info *ai, int lock)
3568{
Linus Torvalds1da177e2005-04-16 15:20:36 -07003569 int rc;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003570 Cmd cmd;
3571 Resp rsp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003572
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3583
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003587 rc = issuecommand(ai, &cmd, &rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003588 if (rc == SUCCESS)
3589 set_bit(FLAG_ENABLED, &ai->flags);
3590 } else
3591 rc = SUCCESS;
3592
3593 if (lock)
3594 up(&ai->sem);
3595
3596 if (rc)
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3601 rc = ERROR;
3602 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003603 return rc;
3604}
3605
3606static void disable_MAC( struct airo_info *ai, int lock ) {
3607 Cmd cmd;
3608 Resp rsp;
3609
3610 if (lock && down_interruptible(&ai->sem))
3611 return;
3612
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3618 }
3619 if (lock)
3620 up(&ai->sem);
3621}
3622
3623static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3626}
3627
3628static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3630}
3631
3632static void mpi_receive_802_3(struct airo_info *ai)
3633{
3634 RxFid rxd;
3635 int len = 0;
3636 struct sk_buff *skb;
3637 char *buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003638 int off = 0;
3639 MICBuffer micbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003640
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3644 len = rxd.len + 12;
3645 if (len < 12 || len > 2048)
3646 goto badrx;
3647
3648 skb = dev_alloc_skb(len);
3649 if (!skb) {
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03003650 ai->dev->stats.rx_dropped++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3656 memcpy(&micbuf,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 sizeof(micbuf));
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3661 goto badmic;
3662
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3665 }
3666 }
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671badmic:
3672 dev_kfree_skb_irq (skb);
3673 goto badrx;
3674 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003675#ifdef WIRELESS_SPY
3676 if (ai->spy_data.spy_number > 0) {
3677 char *sa;
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3682 wstats.level = 0;
3683 wstats.updated = 0;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687#endif /* WIRELESS_SPY */
3688
Linus Torvalds1da177e2005-04-16 15:20:36 -07003689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003691 netif_rx(skb);
3692 }
3693badrx:
3694 if (rxd.valid == 0) {
3695 rxd.valid = 1;
3696 rxd.rdy = 0;
3697 rxd.len = PKTSIZE;
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3699 }
3700}
3701
Hannes Eder2ed5ba82008-12-26 00:12:59 -08003702static void mpi_receive_802_11(struct airo_info *ai)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003703{
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
Al Viro0300b332007-12-19 22:38:33 -05003706 u16 len, hdrlen = 0;
3707 __le16 fc;
Dan Williamsf55d4512009-01-24 09:04:12 -05003708 struct rx_hdr hdr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003709 u16 gap;
3710 u16 *buffer;
Dan Williamsf55d4512009-01-24 09:04:12 -05003711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003712
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 ptr += sizeof(hdr);
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3718 hdr.len = 0;
3719 if (ai->wifidev == NULL)
3720 hdr.len = 0;
3721 len = le16_to_cpu(hdr.len);
Dan Williams15db2762006-03-16 13:46:27 -05003722 if (len > AIRO_DEF_MTU) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003723 airo_print_err(ai->dev->name, "Bad size %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
Al Viro0300b332007-12-19 22:38:33 -05003729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
Paulius Zaleckas5d9276d2008-05-05 22:38:34 +03003734 ai->dev->stats.rx_dropped++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003735 goto badrx;
3736 }
3737 buffer = (u16*)skb_put (skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3739 ptr += hdrlen;
3740 if (hdrlen == 24)
3741 ptr += 6;
Harvey Harrison533dd1b2008-04-29 01:03:36 -07003742 gap = get_unaligned_le16(ptr);
Al Viro593c2b92007-12-17 15:09:34 -05003743 ptr += sizeof(__le16);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003750 }
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 ptr += len;
3753#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3755 char *sa;
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3760 if (ai->rssi)
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 else
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04003764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07003767 | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771#endif /* IW_WIRELESS_SPY */
Arnaldo Carvalho de Melo459a98e2007-03-19 15:30:44 -07003772 skb_reset_mac_header(skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
Dan Williamsf55d4512009-01-24 09:04:12 -05003778
Linus Torvalds1da177e2005-04-16 15:20:36 -07003779badrx:
3780 if (rxd.valid == 0) {
3781 rxd.valid = 1;
3782 rxd.rdy = 0;
3783 rxd.len = PKTSIZE;
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 }
3786}
3787
3788static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3789{
3790 Cmd cmd;
3791 Resp rsp;
3792 int status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003793 SsidRid mySsid;
Al Viro4293ea32007-12-19 19:21:51 -05003794 __le16 lastindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003799 kfree (ai->flash);
3800 ai->flash = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003801
3802 /* The NOP is the first step in getting the card going */
3803 cmd.cmd = NOP;
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3806 return ERROR;
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3808 if (lock)
3809 up(&ai->sem);
3810 return ERROR;
3811 }
3812 disable_MAC( ai, 0);
3813
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 if (lock)
3819 up(&ai->sem);
Dan Williams934d8bf2006-03-16 13:46:23 -05003820 airo_print_err(ai->dev->name, "Error checking for AUX port");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003826 } else {
3827 ai->bap_read = aux_bap_read;
Dan Williams934d8bf2006-03-16 13:46:23 -05003828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
Hannes Eder49c4a5d2009-02-14 11:49:09 +00003834 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3848
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
Dan Williams41480af2005-05-10 09:45:51 -04003852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003853 }
3854 else {
Jesper Juhlb4558ea2005-10-28 16:53:13 -04003855 kfree(ai->rssi);
3856 ai->rssi = NULL;
Al Viro56d81bd2007-12-20 17:18:35 -05003857 if (cap_rid.softCap & cpu_to_le16(8))
Linus Torvalds1da177e2005-04-16 15:20:36 -07003858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
Dan Williams934d8bf2006-03-16 13:46:23 -05003860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003862 }
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3866
Al Viro56d81bd2007-12-20 17:18:35 -05003867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
Al Viro15617852007-12-20 17:21:36 -05003868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
Al Viro56d81bd2007-12-20 17:18:35 -05003869 micsetup(ai) == SUCCESS) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003873
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3877 }
3878
3879 /* Check to see if there are any insmod configured
3880 rates to add */
3881 if ( rates[0] ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3885 }
3886 }
3887 if ( basic_rate > 0 ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003888 for( i = 0; i < 8; i++ ) {
3889 if ( ai->config.rates[i] == basic_rate ||
3890 !ai->config.rates ) {
3891 ai->config.rates[i] = basic_rate | 0x80;
3892 break;
3893 }
3894 }
3895 }
3896 set_bit (FLAG_COMMIT, &ai->flags);
3897 }
3898
3899 /* Setup the SSIDs if present */
3900 if ( ssids[0] ) {
3901 int i;
3902 for( i = 0; i < 3 && ssids[i]; i++ ) {
Al Viro0dd22122007-12-17 16:11:57 -05003903 size_t len = strlen(ssids[i]);
3904 if (len > 32)
3905 len = 32;
3906 mySsid.ssids[i].len = cpu_to_le16(len);
3907 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003908 }
Al Viro0dd22122007-12-17 16:11:57 -05003909 mySsid.len = cpu_to_le16(sizeof(mySsid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07003910 }
3911
3912 status = writeConfigRid(ai, lock);
3913 if ( status != SUCCESS ) return ERROR;
3914
3915 /* Set up the SSID list */
3916 if ( ssids[0] ) {
3917 status = writeSsidRid(ai, &mySsid, lock);
3918 if ( status != SUCCESS ) return ERROR;
3919 }
3920
Michal Schmidt175ec1a2007-06-29 15:33:47 +02003921 status = enable_MAC(ai, lock);
3922 if (status != SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003923 return ERROR;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003924
3925 /* Grab the initial wep key, we gotta save it for auto_wep */
3926 rc = readWepKeyRid(ai, &wkr, 1, lock);
3927 if (rc == SUCCESS) do {
3928 lastindex = wkr.kindex;
Al Viro4293ea32007-12-19 19:21:51 -05003929 if (wkr.kindex == cpu_to_le16(0xffff)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003930 ai->defindex = wkr.mac[0];
3931 }
3932 rc = readWepKeyRid(ai, &wkr, 0, lock);
3933 } while(lastindex != wkr.kindex);
3934
Michal Schmidt1c2b7db2007-06-29 15:33:36 +02003935 try_auto_wep(ai);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003936
3937 return SUCCESS;
3938}
3939
3940static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3941 // Im really paranoid about letting it run forever!
3942 int max_tries = 600000;
3943
3944 if (IN4500(ai, EVSTAT) & EV_CMD)
3945 OUT4500(ai, EVACK, EV_CMD);
3946
3947 OUT4500(ai, PARAM0, pCmd->parm0);
3948 OUT4500(ai, PARAM1, pCmd->parm1);
3949 OUT4500(ai, PARAM2, pCmd->parm2);
3950 OUT4500(ai, COMMAND, pCmd->cmd);
3951
3952 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3953 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3954 // PC4500 didn't notice command, try again
3955 OUT4500(ai, COMMAND, pCmd->cmd);
3956 if (!in_atomic() && (max_tries & 255) == 0)
3957 schedule();
3958 }
3959
3960 if ( max_tries == -1 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05003961 airo_print_err(ai->dev->name,
3962 "Max tries exceeded when issueing command");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003963 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 return ERROR;
3966 }
3967
3968 // command completed
3969 pRsp->status = IN4500(ai, STATUS);
3970 pRsp->rsp0 = IN4500(ai, RESP0);
3971 pRsp->rsp1 = IN4500(ai, RESP1);
3972 pRsp->rsp2 = IN4500(ai, RESP2);
Robert Schulze13dca9b2006-07-10 18:37:44 +02003973 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3974 airo_print_err(ai->dev->name,
3975 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3976 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3977 pRsp->rsp2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003978
3979 // clear stuck command busy if necessary
3980 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3981 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 }
3983 // acknowledge processing the status/response
3984 OUT4500(ai, EVACK, EV_CMD);
3985
3986 return SUCCESS;
3987}
3988
3989/* Sets up the bap to start exchange data. whichbap should
3990 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 * calling! */
3992static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3993{
3994 int timeout = 50;
3995 int max_tries = 3;
3996
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
3999 while (1) {
4000 int status = IN4500(ai, OFFSET0+whichbap);
4001 if (status & BAP_BUSY) {
4002 /* This isn't really a timeout, but its kinda
4003 close */
4004 if (timeout--) {
4005 continue;
4006 }
4007 } else if ( status & BAP_ERR ) {
4008 /* invalid rid or offset */
Dan Williams934d8bf2006-03-16 13:46:23 -05004009 airo_print_err(ai->dev->name, "BAP error %x %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004010 status, whichbap );
4011 return ERROR;
4012 } else if (status & BAP_DONE) { // success
4013 return SUCCESS;
4014 }
4015 if ( !(max_tries--) ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004016 airo_print_err(ai->dev->name,
Michal Schmidt1138c372007-06-29 15:33:41 +02004017 "BAP setup error too many retries\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004018 return ERROR;
4019 }
4020 // -- PC4500 missed it, try again
4021 OUT4500(ai, SELECT0+whichbap, rid);
4022 OUT4500(ai, OFFSET0+whichbap, offset);
4023 timeout = 50;
4024 }
4025}
4026
4027/* should only be called by aux_bap_read. This aux function and the
4028 following use concepts not documented in the developers guide. I
4029 got them from a patch given to my by Aironet */
4030static u16 aux_setup(struct airo_info *ai, u16 page,
4031 u16 offset, u16 *len)
4032{
4033 u16 next;
4034
4035 OUT4500(ai, AUXPAGE, page);
4036 OUT4500(ai, AUXOFF, 0);
4037 next = IN4500(ai, AUXDATA);
4038 *len = IN4500(ai, AUXDATA)&0xff;
4039 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4040 return next;
4041}
4042
4043/* requires call to bap_setup() first */
Al Virob8c06bc2007-12-19 17:55:43 -05004044static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004045 int bytelen, int whichbap)
4046{
4047 u16 len;
4048 u16 page;
4049 u16 offset;
4050 u16 next;
4051 int words;
4052 int i;
4053 unsigned long flags;
4054
4055 spin_lock_irqsave(&ai->aux_lock, flags);
4056 page = IN4500(ai, SWS0+whichbap);
4057 offset = IN4500(ai, SWS2+whichbap);
4058 next = aux_setup(ai, page, offset, &len);
4059 words = (bytelen+1)>>1;
4060
4061 for (i=0; i<words;) {
4062 int count;
4063 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 if ( !do8bitIO )
4065 insw( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i,count );
4067 else
4068 insb( ai->dev->base_addr+DATA0+whichbap,
4069 pu16Dst+i, count << 1 );
4070 i += count;
4071 if (i<words) {
4072 next = aux_setup(ai, next, 4, &len);
4073 }
4074 }
4075 spin_unlock_irqrestore(&ai->aux_lock, flags);
4076 return SUCCESS;
4077}
4078
4079
4080/* requires call to bap_setup() first */
Al Virob8c06bc2007-12-19 17:55:43 -05004081static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004082 int bytelen, int whichbap)
4083{
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 else
4088 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4089 return SUCCESS;
4090}
4091
4092/* requires call to bap_setup() first */
Al Virob8c06bc2007-12-19 17:55:43 -05004093static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004094 int bytelen, int whichbap)
4095{
4096 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 if ( !do8bitIO )
4098 outsw( ai->dev->base_addr+DATA0+whichbap,
4099 pu16Src, bytelen>>1 );
4100 else
4101 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4102 return SUCCESS;
4103}
4104
4105static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106{
4107 Cmd cmd; /* for issuing commands */
4108 Resp rsp; /* response from commands */
4109 u16 status;
4110
4111 memset(&cmd, 0, sizeof(cmd));
4112 cmd.cmd = accmd;
4113 cmd.parm0 = rid;
4114 status = issuecommand(ai, &cmd, &rsp);
4115 if (status != 0) return status;
4116 if ( (rsp.status & 0x7F00) != 0) {
4117 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4118 }
4119 return 0;
4120}
4121
4122/* Note, that we are using BAP1 which is also used by transmit, so
4123 * we must get a lock. */
4124static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4125{
4126 u16 status;
4127 int rc = SUCCESS;
4128
4129 if (lock) {
4130 if (down_interruptible(&ai->sem))
4131 return ERROR;
4132 }
4133 if (test_bit(FLAG_MPI,&ai->flags)) {
4134 Cmd cmd;
4135 Resp rsp;
4136
4137 memset(&cmd, 0, sizeof(cmd));
4138 memset(&rsp, 0, sizeof(rsp));
4139 ai->config_desc.rid_desc.valid = 1;
4140 ai->config_desc.rid_desc.len = RIDSIZE;
4141 ai->config_desc.rid_desc.rid = 0;
4142 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143
4144 cmd.cmd = CMD_ACCESS;
4145 cmd.parm0 = rid;
4146
4147 memcpy_toio(ai->config_desc.card_ram_off,
4148 &ai->config_desc.rid_desc, sizeof(Rid));
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151
4152 if (rsp.status & 0x7f00)
4153 rc = rsp.rsp0;
4154 if (!rc)
4155 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4156 goto done;
4157 } else {
4158 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4159 rc = status;
4160 goto done;
4161 }
4162 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read the rid length field
4167 bap_read(ai, pBuf, 2, BAP1);
4168 // length for remaining part of rid
Al Viro593c2b92007-12-17 15:09:34 -05004169 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004170
4171 if ( len <= 2 ) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004172 airo_print_err(ai->dev->name,
4173 "Rid %x has a length of %d which is too short",
Linus Torvalds1da177e2005-04-16 15:20:36 -07004174 (int)rid, (int)len );
4175 rc = ERROR;
4176 goto done;
4177 }
4178 // read remainder of the rid
Al Virob8c06bc2007-12-19 17:55:43 -05004179 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004180 }
4181done:
4182 if (lock)
4183 up(&ai->sem);
4184 return rc;
4185}
4186
4187/* Note, that we are using BAP1 which is also used by transmit, so
4188 * make sure this isnt called when a transmit is happening */
4189static int PC4500_writerid(struct airo_info *ai, u16 rid,
4190 const void *pBuf, int len, int lock)
4191{
4192 u16 status;
4193 int rc = SUCCESS;
4194
Al Viro593c2b92007-12-17 15:09:34 -05004195 *(__le16*)pBuf = cpu_to_le16((u16)len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004196
4197 if (lock) {
4198 if (down_interruptible(&ai->sem))
4199 return ERROR;
4200 }
4201 if (test_bit(FLAG_MPI,&ai->flags)) {
4202 Cmd cmd;
4203 Resp rsp;
4204
Dan Streetmanf89b2322005-11-11 11:41:42 -05004205 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
Dan Williams934d8bf2006-03-16 13:46:23 -05004206 airo_print_err(ai->dev->name,
4207 "%s: MAC should be disabled (rid=%04x)",
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07004208 __func__, rid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004209 memset(&cmd, 0, sizeof(cmd));
4210 memset(&rsp, 0, sizeof(rsp));
4211
4212 ai->config_desc.rid_desc.valid = 1;
4213 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4214 ai->config_desc.rid_desc.rid = 0;
4215
4216 cmd.cmd = CMD_WRITERID;
4217 cmd.parm0 = rid;
4218
4219 memcpy_toio(ai->config_desc.card_ram_off,
4220 &ai->config_desc.rid_desc, sizeof(Rid));
4221
4222 if (len < 4 || len > 2047) {
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07004223 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004224 rc = -1;
4225 } else {
4226 memcpy((char *)ai->config_desc.virtual_host_addr,
4227 pBuf, len);
4228
4229 rc = issuecommand(ai, &cmd, &rsp);
4230 if ((rc & 0xff00) != 0) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004231 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07004232 __func__, rc);
Dan Williams934d8bf2006-03-16 13:46:23 -05004233 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
Harvey Harrisonc94c93d2008-07-28 23:01:34 -07004234 __func__, cmd.cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004235 }
4236
4237 if ((rsp.status & 0x7f00))
4238 rc = rsp.rsp0;
4239 }
4240 } else {
4241 // --- first access so that we can write the rid data
4242 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4243 rc = status;
4244 goto done;
4245 }
4246 // --- now write the rid data
4247 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4248 rc = ERROR;
4249 goto done;
4250 }
4251 bap_write(ai, pBuf, len, BAP1);
4252 // ---now commit the rid data
4253 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4254 }
4255done:
4256 if (lock)
4257 up(&ai->sem);
4258 return rc;
4259}
4260
4261/* Allocates a FID to be used for transmitting packets. We only use
4262 one for now. */
4263static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264{
4265 unsigned int loop = 3000;
4266 Cmd cmd;
4267 Resp rsp;
4268 u16 txFid;
Al Viro593c2b92007-12-17 15:09:34 -05004269 __le16 txControl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004270
4271 cmd.cmd = CMD_ALLOCATETX;
4272 cmd.parm0 = lenPayload;
4273 if (down_interruptible(&ai->sem))
4274 return ERROR;
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279 if ( (rsp.status & 0xFF00) != 0) {
4280 txFid = ERROR;
4281 goto done;
4282 }
4283 /* wait for the allocate event/indication
4284 * It makes me kind of nervous that this can just sit here and spin,
4285 * but in practice it only loops like four times. */
4286 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4287 if (!loop) {
4288 txFid = ERROR;
4289 goto done;
4290 }
4291
4292 // get the allocated fid and acknowledge
4293 txFid = IN4500(ai, TXALLOCFID);
4294 OUT4500(ai, EVACK, EV_ALLOC);
4295
4296 /* The CARD is pretty cool since it converts the ethernet packet
4297 * into 802.11. Also note that we don't release the FID since we
4298 * will be using the same one over and over again. */
4299 /* We only have to setup the control once since we are not
4300 * releasing the fid. */
4301 if (raw)
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 else
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4307 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4308 txFid = ERROR;
4309 else
4310 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4311
4312done:
4313 up(&ai->sem);
4314
4315 return txFid;
4316}
4317
4318/* In general BAP1 is dedicated to transmiting packets. However,
4319 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4320 Make sure the BAP1 spinlock is held when this is called. */
4321static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322{
Al Viro593c2b92007-12-17 15:09:34 -05004323 __le16 payloadLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004324 Cmd cmd;
4325 Resp rsp;
4326 int miclen = 0;
4327 u16 txFid = len;
4328 MICBuffer pMic;
4329
4330 len >>= 16;
4331
4332 if (len <= ETH_ALEN * 2) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004333 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004334 return ERROR;
4335 }
4336 len -= ETH_ALEN * 2;
4337
Linus Torvalds1da177e2005-04-16 15:20:36 -07004338 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
Al Viro593c2b92007-12-17 15:09:34 -05004339 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004340 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 return ERROR;
4342 miclen = sizeof(pMic);
4343 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004344 // packet is destination[6], source[6], payload[len-12]
4345 // write the payload length and dst/src/payload
4346 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4347 /* The hardware addresses aren't counted as part of the payload, so
4348 * we have to subtract the 12 bytes for the addresses off */
4349 payloadLen = cpu_to_le16(len + miclen);
4350 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
Al Virob8c06bc2007-12-19 17:55:43 -05004351 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004352 if (miclen)
Al Virob8c06bc2007-12-19 17:55:43 -05004353 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4354 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4358 cmd.parm0 = txFid;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4361 return SUCCESS;
4362}
4363
4364static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4365{
Al Viro593c2b92007-12-17 15:09:34 -05004366 __le16 fc, payloadLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004367 Cmd cmd;
4368 Resp rsp;
4369 int hdrlen;
Al Viro977b1432007-12-19 16:45:29 -05004370 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4371 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
Linus Torvalds1da177e2005-04-16 15:20:36 -07004372 u16 txFid = len;
4373 len >>= 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004374
Al Viro0300b332007-12-19 22:38:33 -05004375 fc = *(__le16*)pPacket;
4376 hdrlen = header_len(fc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004377
4378 if (len < hdrlen) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004379 airo_print_warn(ai->dev->name, "Short packet %d", len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004380 return ERROR;
4381 }
4382
4383 /* packet is 802.11 header + payload
4384 * write the payload length and dst/src/payload */
4385 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4386 /* The 802.11 header aren't counted as part of the payload, so
4387 * we have to subtract the header bytes off */
4388 payloadLen = cpu_to_le16(len-hdrlen);
4389 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4390 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
Al Virob8c06bc2007-12-19 17:55:43 -05004391 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4392 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004393
Al Virob8c06bc2007-12-19 17:55:43 -05004394 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004395 // issue the transmit command
4396 memset( &cmd, 0, sizeof( cmd ) );
4397 cmd.cmd = CMD_TRANSMIT;
4398 cmd.parm0 = txFid;
4399 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4400 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4401 return SUCCESS;
4402}
4403
4404/*
4405 * This is the proc_fs routines. It is a bit messier than I would
4406 * like! Feel free to clean it up!
4407 */
4408
4409static ssize_t proc_read( struct file *file,
4410 char __user *buffer,
4411 size_t len,
4412 loff_t *offset);
4413
4414static ssize_t proc_write( struct file *file,
4415 const char __user *buffer,
4416 size_t len,
4417 loff_t *offset );
4418static int proc_close( struct inode *inode, struct file *file );
4419
4420static int proc_stats_open( struct inode *inode, struct file *file );
4421static int proc_statsdelta_open( struct inode *inode, struct file *file );
4422static int proc_status_open( struct inode *inode, struct file *file );
4423static int proc_SSID_open( struct inode *inode, struct file *file );
4424static int proc_APList_open( struct inode *inode, struct file *file );
4425static int proc_BSSList_open( struct inode *inode, struct file *file );
4426static int proc_config_open( struct inode *inode, struct file *file );
4427static int proc_wepkey_open( struct inode *inode, struct file *file );
4428
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004429static const struct file_operations proc_statsdelta_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004430 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004431 .read = proc_read,
4432 .open = proc_statsdelta_open,
4433 .release = proc_close
4434};
4435
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004436static const struct file_operations proc_stats_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004437 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004438 .read = proc_read,
4439 .open = proc_stats_open,
4440 .release = proc_close
4441};
4442
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004443static const struct file_operations proc_status_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004444 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004445 .read = proc_read,
4446 .open = proc_status_open,
4447 .release = proc_close
4448};
4449
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004450static const struct file_operations proc_SSID_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004451 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004452 .read = proc_read,
4453 .write = proc_write,
4454 .open = proc_SSID_open,
4455 .release = proc_close
4456};
4457
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004458static const struct file_operations proc_BSSList_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004459 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004460 .read = proc_read,
4461 .write = proc_write,
4462 .open = proc_BSSList_open,
4463 .release = proc_close
4464};
4465
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004466static const struct file_operations proc_APList_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004467 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004468 .read = proc_read,
4469 .write = proc_write,
4470 .open = proc_APList_open,
4471 .release = proc_close
4472};
4473
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004474static const struct file_operations proc_config_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004475 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004476 .read = proc_read,
4477 .write = proc_write,
4478 .open = proc_config_open,
4479 .release = proc_close
4480};
4481
Arjan van de Vend54b1fd2007-02-12 00:55:34 -08004482static const struct file_operations proc_wepkey_ops = {
Denis V. Luneva95609c2008-04-29 01:02:29 -07004483 .owner = THIS_MODULE,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004484 .read = proc_read,
4485 .write = proc_write,
4486 .open = proc_wepkey_open,
4487 .release = proc_close
4488};
4489
4490static struct proc_dir_entry *airo_entry;
4491
4492struct proc_data {
4493 int release_buffer;
4494 int readlen;
4495 char *rbuffer;
4496 int writelen;
4497 int maxwritelen;
4498 char *wbuffer;
4499 void (*on_close) (struct inode *, struct file *);
4500};
4501
Linus Torvalds1da177e2005-04-16 15:20:36 -07004502static int setup_proc_entry( struct net_device *dev,
4503 struct airo_info *apriv ) {
4504 struct proc_dir_entry *entry;
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4508 S_IFDIR|airo_perm,
4509 airo_entry);
Florin Malita431aca52006-10-10 16:46:30 -04004510 if (!apriv->proc_entry)
4511 goto fail;
4512 apriv->proc_entry->uid = proc_uid;
4513 apriv->proc_entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004514
4515 /* Setup the StatsDelta */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004516 entry = proc_create_data("StatsDelta",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry, &proc_statsdelta_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004519 if (!entry)
4520 goto fail_stats_delta;
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004523
4524 /* Setup the Stats */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004525 entry = proc_create_data("Stats",
4526 S_IFREG | (S_IRUGO&proc_perm),
4527 apriv->proc_entry, &proc_stats_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004528 if (!entry)
4529 goto fail_stats;
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004532
4533 /* Setup the Status */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004534 entry = proc_create_data("Status",
4535 S_IFREG | (S_IRUGO&proc_perm),
4536 apriv->proc_entry, &proc_status_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004537 if (!entry)
4538 goto fail_status;
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004541
4542 /* Setup the Config */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004543 entry = proc_create_data("Config",
4544 S_IFREG | proc_perm,
4545 apriv->proc_entry, &proc_config_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004546 if (!entry)
4547 goto fail_config;
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004550
4551 /* Setup the SSID */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004552 entry = proc_create_data("SSID",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry, &proc_SSID_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004555 if (!entry)
4556 goto fail_ssid;
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004559
4560 /* Setup the APList */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004561 entry = proc_create_data("APList",
4562 S_IFREG | proc_perm,
4563 apriv->proc_entry, &proc_APList_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004564 if (!entry)
4565 goto fail_aplist;
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004568
4569 /* Setup the BSSList */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004570 entry = proc_create_data("BSSList",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry, &proc_BSSList_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004573 if (!entry)
4574 goto fail_bsslist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004577
4578 /* Setup the WepKey */
Denis V. Luneva95609c2008-04-29 01:02:29 -07004579 entry = proc_create_data("WepKey",
4580 S_IFREG | proc_perm,
4581 apriv->proc_entry, &proc_wepkey_ops, dev);
Florin Malita431aca52006-10-10 16:46:30 -04004582 if (!entry)
4583 goto fail_wepkey;
4584 entry->uid = proc_uid;
4585 entry->gid = proc_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004586
4587 return 0;
Florin Malita431aca52006-10-10 16:46:30 -04004588
4589fail_wepkey:
4590 remove_proc_entry("BSSList", apriv->proc_entry);
4591fail_bsslist:
4592 remove_proc_entry("APList", apriv->proc_entry);
4593fail_aplist:
4594 remove_proc_entry("SSID", apriv->proc_entry);
4595fail_ssid:
4596 remove_proc_entry("Config", apriv->proc_entry);
4597fail_config:
4598 remove_proc_entry("Status", apriv->proc_entry);
4599fail_status:
4600 remove_proc_entry("Stats", apriv->proc_entry);
4601fail_stats:
4602 remove_proc_entry("StatsDelta", apriv->proc_entry);
4603fail_stats_delta:
4604 remove_proc_entry(apriv->proc_name, airo_entry);
4605fail:
4606 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004607}
4608
4609static int takedown_proc_entry( struct net_device *dev,
4610 struct airo_info *apriv ) {
4611 if ( !apriv->proc_entry->namelen ) return 0;
4612 remove_proc_entry("Stats",apriv->proc_entry);
4613 remove_proc_entry("StatsDelta",apriv->proc_entry);
4614 remove_proc_entry("Status",apriv->proc_entry);
4615 remove_proc_entry("Config",apriv->proc_entry);
4616 remove_proc_entry("SSID",apriv->proc_entry);
4617 remove_proc_entry("APList",apriv->proc_entry);
4618 remove_proc_entry("BSSList",apriv->proc_entry);
4619 remove_proc_entry("WepKey",apriv->proc_entry);
4620 remove_proc_entry(apriv->proc_name,airo_entry);
4621 return 0;
4622}
4623
4624/*
4625 * What we want from the proc_fs is to be able to efficiently read
4626 * and write the configuration. To do this, we want to read the
4627 * configuration when the file is opened and write it when the file is
4628 * closed. So basically we allocate a read buffer at open and fill it
4629 * with data, and allocate a write buffer and read it at close.
4630 */
4631
4632/*
4633 * The read routine is generic, it relies on the preallocated rbuffer
4634 * to supply the data.
4635 */
4636static ssize_t proc_read( struct file *file,
4637 char __user *buffer,
4638 size_t len,
4639 loff_t *offset )
4640{
Akinobu Mitacc0d9ff2008-06-09 16:44:30 -07004641 struct proc_data *priv = file->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004642
4643 if (!priv->rbuffer)
4644 return -EINVAL;
4645
Akinobu Mitacc0d9ff2008-06-09 16:44:30 -07004646 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4647 priv->readlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004648}
4649
4650/*
4651 * The write routine is generic, it fills in a preallocated rbuffer
4652 * to supply the data.
4653 */
4654static ssize_t proc_write( struct file *file,
4655 const char __user *buffer,
4656 size_t len,
4657 loff_t *offset )
4658{
4659 loff_t pos = *offset;
4660 struct proc_data *priv = (struct proc_data*)file->private_data;
4661
4662 if (!priv->wbuffer)
4663 return -EINVAL;
4664
4665 if (pos < 0)
4666 return -EINVAL;
4667 if (pos >= priv->maxwritelen)
4668 return 0;
4669 if (len > priv->maxwritelen - pos)
4670 len = priv->maxwritelen - pos;
4671 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4672 return -EFAULT;
4673 if ( pos + len > priv->writelen )
4674 priv->writelen = len + file->f_pos;
4675 *offset = pos + len;
4676 return len;
4677}
4678
Al Viro329e2c02007-12-20 22:58:57 -05004679static int proc_status_open(struct inode *inode, struct file *file)
4680{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004681 struct proc_data *data;
4682 struct proc_dir_entry *dp = PDE(inode);
4683 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08004684 struct airo_info *apriv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004685 CapabilityRid cap_rid;
4686 StatusRid status_rid;
Al Viro329e2c02007-12-20 22:58:57 -05004687 u16 mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004688 int i;
4689
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004690 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004691 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004692 data = (struct proc_data *)file->private_data;
4693 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4694 kfree (file->private_data);
4695 return -ENOMEM;
4696 }
4697
4698 readStatusRid(apriv, &status_rid, 1);
4699 readCapabilityRid(apriv, &cap_rid, 1);
4700
Al Viro329e2c02007-12-20 22:58:57 -05004701 mode = le16_to_cpu(status_rid.mode);
4702
Linus Torvalds1da177e2005-04-16 15:20:36 -07004703 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
Al Viro329e2c02007-12-20 22:58:57 -05004704 mode & 1 ? "CFG ": "",
4705 mode & 2 ? "ACT ": "",
4706 mode & 0x10 ? "SYN ": "",
4707 mode & 0x20 ? "LNK ": "",
4708 mode & 0x40 ? "LEAP ": "",
4709 mode & 0x80 ? "PRIV ": "",
4710 mode & 0x100 ? "KEY ": "",
4711 mode & 0x200 ? "WEP ": "",
4712 mode & 0x8000 ? "ERR ": "");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004713 sprintf( data->rbuffer+i, "Mode: %x\n"
4714 "Signal Strength: %d\n"
4715 "Signal Quality: %d\n"
4716 "SSID: %-.*s\n"
4717 "AP: %-.16s\n"
4718 "Freq: %d\n"
4719 "BitRate: %dmbs\n"
4720 "Driver Version: %s\n"
4721 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4722 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4723 "Software Version: %x\nSoftware Subversion: %x\n"
4724 "Boot block version: %x\n",
Al Viro329e2c02007-12-20 22:58:57 -05004725 le16_to_cpu(status_rid.mode),
4726 le16_to_cpu(status_rid.normalizedSignalStrength),
4727 le16_to_cpu(status_rid.signalQuality),
4728 le16_to_cpu(status_rid.SSIDlen),
Linus Torvalds1da177e2005-04-16 15:20:36 -07004729 status_rid.SSID,
4730 status_rid.apName,
Al Viro329e2c02007-12-20 22:58:57 -05004731 le16_to_cpu(status_rid.channel),
4732 le16_to_cpu(status_rid.currentXmitRate) / 2,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004733 version,
4734 cap_rid.prodName,
4735 cap_rid.manName,
4736 cap_rid.prodVer,
Al Viro56d81bd2007-12-20 17:18:35 -05004737 le16_to_cpu(cap_rid.radioType),
4738 le16_to_cpu(cap_rid.country),
4739 le16_to_cpu(cap_rid.hardVer),
4740 le16_to_cpu(cap_rid.softVer),
4741 le16_to_cpu(cap_rid.softSubVer),
4742 le16_to_cpu(cap_rid.bootBlockVer));
Linus Torvalds1da177e2005-04-16 15:20:36 -07004743 data->readlen = strlen( data->rbuffer );
4744 return 0;
4745}
4746
4747static int proc_stats_rid_open(struct inode*, struct file*, u16);
4748static int proc_statsdelta_open( struct inode *inode,
4749 struct file *file ) {
4750 if (file->f_mode&FMODE_WRITE) {
4751 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4752 }
4753 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4754}
4755
4756static int proc_stats_open( struct inode *inode, struct file *file ) {
4757 return proc_stats_rid_open(inode, file, RID_STATS);
4758}
4759
4760static int proc_stats_rid_open( struct inode *inode,
4761 struct file *file,
Al Viroa23ace52007-12-19 22:24:16 -05004762 u16 rid )
4763{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004764 struct proc_data *data;
4765 struct proc_dir_entry *dp = PDE(inode);
4766 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08004767 struct airo_info *apriv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004768 StatsRid stats;
4769 int i, j;
Al Viroa23ace52007-12-19 22:24:16 -05004770 __le32 *vals = stats.vals;
John W. Linvillebc8263f2009-02-10 13:53:01 -05004771 int len;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004772
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01004773 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004774 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004775 data = (struct proc_data *)file->private_data;
4776 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4777 kfree (file->private_data);
4778 return -ENOMEM;
4779 }
4780
4781 readStatsRid(apriv, &stats, rid, 1);
John W. Linvillebc8263f2009-02-10 13:53:01 -05004782 len = le16_to_cpu(stats.len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004783
4784 j = 0;
Al Viroa23ace52007-12-19 22:24:16 -05004785 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004786 if (!statsLabels[i]) continue;
4787 if (j+strlen(statsLabels[i])+16>4096) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004788 airo_print_warn(apriv->dev->name,
4789 "Potentially disasterous buffer overflow averted!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004790 break;
4791 }
Al Viroa23ace52007-12-19 22:24:16 -05004792 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4793 le32_to_cpu(vals[i]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07004794 }
Al Viroa23ace52007-12-19 22:24:16 -05004795 if (i*4 >= len) {
Dan Williams934d8bf2006-03-16 13:46:23 -05004796 airo_print_warn(apriv->dev->name, "Got a short rid");
Linus Torvalds1da177e2005-04-16 15:20:36 -07004797 }
4798 data->readlen = j;
4799 return 0;
4800}
4801
4802static int get_dec_u16( char *buffer, int *start, int limit ) {
4803 u16 value;
4804 int valid = 0;
Roel Kluin30bd5722009-10-26 15:28:11 +01004805 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4806 buffer[*start] <= '9'; (*start)++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004807 valid = 1;
4808 value *= 10;
4809 value += buffer[*start] - '0';
4810 }
4811 if ( !valid ) return -1;
4812 return value;
4813}
4814
4815static int airo_config_commit(struct net_device *dev,
4816 struct iw_request_info *info, void *zwrq,
4817 char *extra);
4818
Al Viro3eb9b412007-12-21 00:00:35 -05004819static inline int sniffing_mode(struct airo_info *ai)
4820{
Michael Buesch1f351e32009-11-25 22:55:11 +01004821 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
Al Viro3eb9b412007-12-21 00:00:35 -05004822 le16_to_cpu(RXMODE_RFMON);
4823}
4824
4825static void proc_config_on_close(struct inode *inode, struct file *file)
4826{
Linus Torvalds1da177e2005-04-16 15:20:36 -07004827 struct proc_data *data = file->private_data;
4828 struct proc_dir_entry *dp = PDE(inode);
4829 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08004830 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004831 char *line;
4832
4833 if ( !data->writelen ) return;
4834
4835 readConfigRid(ai, 1);
4836 set_bit (FLAG_COMMIT, &ai->flags);
4837
4838 line = data->wbuffer;
4839 while( line[0] ) {
4840/*** Mode processing */
4841 if ( !strncmp( line, "Mode: ", 6 ) ) {
4842 line += 6;
Al Viro3eb9b412007-12-21 00:00:35 -05004843 if (sniffing_mode(ai))
4844 set_bit (FLAG_RESET, &ai->flags);
4845 ai->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004846 clear_bit (FLAG_802_11, &ai->flags);
Al Viro3eb9b412007-12-21 00:00:35 -05004847 ai->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004848 ai->config.scanMode = SCANMODE_ACTIVE;
4849 if ( line[0] == 'a' ) {
Al Viro3eb9b412007-12-21 00:00:35 -05004850 ai->config.opmode |= MODE_STA_IBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004851 } else {
Al Viro3eb9b412007-12-21 00:00:35 -05004852 ai->config.opmode |= MODE_STA_ESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004853 if ( line[0] == 'r' ) {
4854 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4855 ai->config.scanMode = SCANMODE_PASSIVE;
4856 set_bit (FLAG_802_11, &ai->flags);
4857 } else if ( line[0] == 'y' ) {
4858 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4859 ai->config.scanMode = SCANMODE_PASSIVE;
4860 set_bit (FLAG_802_11, &ai->flags);
4861 } else if ( line[0] == 'l' )
4862 ai->config.rmode |= RXMODE_LANMON;
4863 }
4864 set_bit (FLAG_COMMIT, &ai->flags);
4865 }
4866
4867/*** Radio status */
4868 else if (!strncmp(line,"Radio: ", 7)) {
4869 line += 7;
4870 if (!strncmp(line,"off",3)) {
4871 set_bit (FLAG_RADIO_OFF, &ai->flags);
4872 } else {
4873 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4874 }
4875 }
4876/*** NodeName processing */
4877 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4878 int j;
4879
4880 line += 10;
4881 memset( ai->config.nodeName, 0, 16 );
4882/* Do the name, assume a space between the mode and node name */
4883 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4884 ai->config.nodeName[j] = line[j];
4885 }
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 }
4888
4889/*** PowerMode processing */
4890 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4891 line += 11;
4892 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4893 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "PSP", 3 ) ) {
4896 ai->config.powerSaveMode = POWERSAVE_PSP;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else {
4899 ai->config.powerSaveMode = POWERSAVE_CAM;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 }
4902 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4903 int v, i = 0, k = 0; /* i is index into line,
4904 k is index to rates */
4905
4906 line += 11;
4907 while((v = get_dec_u16(line, &i, 3))!=-1) {
4908 ai->config.rates[k++] = (u8)v;
4909 line += i + 1;
4910 i = 0;
4911 }
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4914 int v, i = 0;
4915 line += 9;
4916 v = get_dec_u16(line, &i, i+3);
4917 if ( v != -1 ) {
Al Viro3eb9b412007-12-21 00:00:35 -05004918 ai->config.channelSet = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004919 set_bit (FLAG_COMMIT, &ai->flags);
4920 }
4921 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4922 int v, i = 0;
4923 line += 11;
4924 v = get_dec_u16(line, &i, i+3);
4925 if ( v != -1 ) {
Al Viro3eb9b412007-12-21 00:00:35 -05004926 ai->config.txPower = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004927 set_bit (FLAG_COMMIT, &ai->flags);
4928 }
4929 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4930 line += 5;
4931 switch( line[0] ) {
4932 case 's':
Al Viro3eb9b412007-12-21 00:00:35 -05004933 ai->config.authType = AUTH_SHAREDKEY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004934 break;
4935 case 'e':
Al Viro3eb9b412007-12-21 00:00:35 -05004936 ai->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004937 break;
4938 default:
Al Viro3eb9b412007-12-21 00:00:35 -05004939 ai->config.authType = AUTH_OPEN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004940 break;
4941 }
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4944 int v, i = 0;
4945
4946 line += 16;
4947 v = get_dec_u16(line, &i, 3);
4948 v = (v<0) ? 0 : ((v>255) ? 255 : v);
Al Viro3eb9b412007-12-21 00:00:35 -05004949 ai->config.longRetryLimit = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4952 int v, i = 0;
4953
4954 line += 17;
4955 v = get_dec_u16(line, &i, 3);
4956 v = (v<0) ? 0 : ((v>255) ? 255 : v);
Al Viro3eb9b412007-12-21 00:00:35 -05004957 ai->config.shortRetryLimit = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4960 int v, i = 0;
4961
4962 line += 14;
4963 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004964 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Al Viro3eb9b412007-12-21 00:00:35 -05004965 ai->config.rtsThres = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4968 int v, i = 0;
4969
4970 line += 16;
4971 v = get_dec_u16(line, &i, 5);
4972 v = (v<0) ? 0 : v;
Al Viro3eb9b412007-12-21 00:00:35 -05004973 ai->config.txLifetime = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4976 int v, i = 0;
4977
4978 line += 16;
4979 v = get_dec_u16(line, &i, 5);
4980 v = (v<0) ? 0 : v;
Al Viro3eb9b412007-12-21 00:00:35 -05004981 ai->config.rxLifetime = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4984 ai->config.txDiversity =
4985 (line[13]=='l') ? 1 :
4986 ((line[13]=='r')? 2: 3);
4987 set_bit (FLAG_COMMIT, &ai->flags);
4988 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4989 ai->config.rxDiversity =
4990 (line[13]=='l') ? 1 :
4991 ((line[13]=='r')? 2: 3);
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4994 int v, i = 0;
4995
4996 line += 15;
4997 v = get_dec_u16(line, &i, 4);
Dan Williams15db2762006-03-16 13:46:27 -05004998 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004999 v = v & 0xfffe; /* Make sure its even */
Al Viro3eb9b412007-12-21 00:00:35 -05005000 ai->config.fragThresh = cpu_to_le16(v);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if (!strncmp(line, "Modulation: ", 12)) {
5003 line += 12;
5004 switch(*line) {
5005 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5006 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005008 default: airo_print_warn(ai->dev->name, "Unknown modulation");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005009 }
5010 } else if (!strncmp(line, "Preamble: ", 10)) {
5011 line += 10;
5012 switch(*line) {
5013 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5015 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
Dan Williams934d8bf2006-03-16 13:46:23 -05005016 default: airo_print_warn(ai->dev->name, "Unknown preamble");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005017 }
5018 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005019 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005020 }
5021 while( line[0] && line[0] != '\n' ) line++;
5022 if ( line[0] ) line++;
5023 }
5024 airo_config_commit(dev, NULL, NULL, NULL);
5025}
5026
Al Viro3eb9b412007-12-21 00:00:35 -05005027static char *get_rmode(__le16 mode)
5028{
5029 switch(mode & RXMODE_MASK) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005030 case RXMODE_RFMON: return "rfmon";
5031 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5032 case RXMODE_LANMON: return "lanmon";
5033 }
5034 return "ESS";
5035}
5036
Al Viro3eb9b412007-12-21 00:00:35 -05005037static int proc_config_open(struct inode *inode, struct file *file)
5038{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005039 struct proc_data *data;
5040 struct proc_dir_entry *dp = PDE(inode);
5041 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005042 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005043 int i;
Al Viro3eb9b412007-12-21 00:00:35 -05005044 __le16 mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005045
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005046 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005047 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005048 data = (struct proc_data *)file->private_data;
5049 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5050 kfree (file->private_data);
5051 return -ENOMEM;
5052 }
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005053 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005054 kfree (data->rbuffer);
5055 kfree (file->private_data);
5056 return -ENOMEM;
5057 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005058 data->maxwritelen = 2048;
5059 data->on_close = proc_config_on_close;
5060
5061 readConfigRid(ai, 1);
5062
Al Viro3eb9b412007-12-21 00:00:35 -05005063 mode = ai->config.opmode & MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005064 i = sprintf( data->rbuffer,
5065 "Mode: %s\n"
5066 "Radio: %s\n"
5067 "NodeName: %-16s\n"
5068 "PowerMode: %s\n"
5069 "DataRates: %d %d %d %d %d %d %d %d\n"
5070 "Channel: %d\n"
5071 "XmitPower: %d\n",
Al Viro3eb9b412007-12-21 00:00:35 -05005072 mode == MODE_STA_IBSS ? "adhoc" :
5073 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5074 mode == MODE_AP ? "AP" :
5075 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
Linus Torvalds1da177e2005-04-16 15:20:36 -07005076 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5077 ai->config.nodeName,
Al Viro3eb9b412007-12-21 00:00:35 -05005078 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5079 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5080 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5081 "Error",
Linus Torvalds1da177e2005-04-16 15:20:36 -07005082 (int)ai->config.rates[0],
5083 (int)ai->config.rates[1],
5084 (int)ai->config.rates[2],
5085 (int)ai->config.rates[3],
5086 (int)ai->config.rates[4],
5087 (int)ai->config.rates[5],
5088 (int)ai->config.rates[6],
5089 (int)ai->config.rates[7],
Al Viro3eb9b412007-12-21 00:00:35 -05005090 le16_to_cpu(ai->config.channelSet),
5091 le16_to_cpu(ai->config.txPower)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005092 );
5093 sprintf( data->rbuffer + i,
5094 "LongRetryLimit: %d\n"
5095 "ShortRetryLimit: %d\n"
5096 "RTSThreshold: %d\n"
5097 "TXMSDULifetime: %d\n"
5098 "RXMSDULifetime: %d\n"
5099 "TXDiversity: %s\n"
5100 "RXDiversity: %s\n"
5101 "FragThreshold: %d\n"
5102 "WEP: %s\n"
5103 "Modulation: %s\n"
5104 "Preamble: %s\n",
Al Viro3eb9b412007-12-21 00:00:35 -05005105 le16_to_cpu(ai->config.longRetryLimit),
5106 le16_to_cpu(ai->config.shortRetryLimit),
5107 le16_to_cpu(ai->config.rtsThres),
5108 le16_to_cpu(ai->config.txLifetime),
5109 le16_to_cpu(ai->config.rxLifetime),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005110 ai->config.txDiversity == 1 ? "left" :
5111 ai->config.txDiversity == 2 ? "right" : "both",
5112 ai->config.rxDiversity == 1 ? "left" :
5113 ai->config.rxDiversity == 2 ? "right" : "both",
Al Viro3eb9b412007-12-21 00:00:35 -05005114 le16_to_cpu(ai->config.fragThresh),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005115 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5116 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
Al Viro3eb9b412007-12-21 00:00:35 -05005117 ai->config.modulation == MOD_DEFAULT ? "default" :
Linus Torvalds1da177e2005-04-16 15:20:36 -07005118 ai->config.modulation == MOD_CCK ? "cck" :
5119 ai->config.modulation == MOD_MOK ? "mok" : "error",
5120 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5121 ai->config.preamble == PREAMBLE_LONG ? "long" :
5122 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5123 );
5124 data->readlen = strlen( data->rbuffer );
5125 return 0;
5126}
5127
Al Viro0dd22122007-12-17 16:11:57 -05005128static void proc_SSID_on_close(struct inode *inode, struct file *file)
5129{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005130 struct proc_data *data = (struct proc_data *)file->private_data;
5131 struct proc_dir_entry *dp = PDE(inode);
5132 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005133 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005134 SsidRid SSID_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005135 int i;
Al Viro0dd22122007-12-17 16:11:57 -05005136 char *p = data->wbuffer;
5137 char *end = p + data->writelen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005138
Al Viro0dd22122007-12-17 16:11:57 -05005139 if (!data->writelen)
5140 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005141
Al Viro0dd22122007-12-17 16:11:57 -05005142 *end = '\n'; /* sentinel; we have space for it */
Linus Torvalds1da177e2005-04-16 15:20:36 -07005143
Al Viro0dd22122007-12-17 16:11:57 -05005144 memset(&SSID_rid, 0, sizeof(SSID_rid));
5145
5146 for (i = 0; i < 3 && p < end; i++) {
5147 int j = 0;
5148 /* copy up to 32 characters from this line */
5149 while (*p != '\n' && j < 32)
5150 SSID_rid.ssids[i].ssid[j++] = *p++;
5151 if (j == 0)
5152 break;
5153 SSID_rid.ssids[i].len = cpu_to_le16(j);
5154 /* skip to the beginning of the next line */
5155 while (*p++ != '\n')
5156 ;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005157 }
5158 if (i)
Al Viro0dd22122007-12-17 16:11:57 -05005159 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005160 disable_MAC(ai, 1);
5161 writeSsidRid(ai, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005162 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005163}
5164
Jesper Juhl77933d72005-07-27 11:46:09 -07005165static inline u8 hexVal(char c) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005166 if (c>='0' && c<='9') return c -= '0';
5167 if (c>='a' && c<='f') return c -= 'a'-10;
5168 if (c>='A' && c<='F') return c -= 'A'-10;
5169 return 0;
5170}
5171
5172static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5173 struct proc_data *data = (struct proc_data *)file->private_data;
5174 struct proc_dir_entry *dp = PDE(inode);
5175 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005176 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005177 APListRid APList_rid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005178 int i;
5179
5180 if ( !data->writelen ) return;
5181
5182 memset( &APList_rid, 0, sizeof(APList_rid) );
Al Viroa7497162007-12-20 17:49:41 -05005183 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005184
5185 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5186 int j;
5187 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5188 switch(j%3) {
5189 case 0:
5190 APList_rid.ap[i][j/3]=
5191 hexVal(data->wbuffer[j+i*6*3])<<4;
5192 break;
5193 case 1:
5194 APList_rid.ap[i][j/3]|=
5195 hexVal(data->wbuffer[j+i*6*3]);
5196 break;
5197 }
5198 }
5199 }
5200 disable_MAC(ai, 1);
5201 writeAPListRid(ai, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005202 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005203}
5204
5205/* This function wraps PC4500_writerid with a MAC disable */
5206static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5207 int len, int dummy ) {
5208 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005209
5210 disable_MAC(ai, 1);
5211 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005212 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005213 return rc;
5214}
5215
Dan Williamsc0380692009-01-24 09:12:15 -05005216/* Returns the WEP key at the specified index, or -1 if that key does
5217 * not exist. The buffer is assumed to be at least 16 bytes in length.
Linus Torvalds1da177e2005-04-16 15:20:36 -07005218 */
Dan Williamsc0380692009-01-24 09:12:15 -05005219static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5220{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005221 WepKeyRid wkr;
5222 int rc;
Al Viro4293ea32007-12-19 19:21:51 -05005223 __le16 lastindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005224
5225 rc = readWepKeyRid(ai, &wkr, 1, 1);
Dan Williamsc0380692009-01-24 09:12:15 -05005226 if (rc != SUCCESS)
5227 return -1;
5228 do {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005229 lastindex = wkr.kindex;
Dan Williamsc0380692009-01-24 09:12:15 -05005230 if (le16_to_cpu(wkr.kindex) == index) {
5231 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5232 memcpy(buf, wkr.key, klen);
5233 return klen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005234 }
Dan Williamsc0380692009-01-24 09:12:15 -05005235 rc = readWepKeyRid(ai, &wkr, 0, 1);
5236 if (rc != SUCCESS)
5237 return -1;
Al Viro4293ea32007-12-19 19:21:51 -05005238 } while (lastindex != wkr.kindex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005239 return -1;
5240}
5241
Dan Williamsc0380692009-01-24 09:12:15 -05005242static int get_wep_tx_idx(struct airo_info *ai)
5243{
5244 WepKeyRid wkr;
5245 int rc;
5246 __le16 lastindex;
5247
5248 rc = readWepKeyRid(ai, &wkr, 1, 1);
5249 if (rc != SUCCESS)
5250 return -1;
5251 do {
5252 lastindex = wkr.kindex;
5253 if (wkr.kindex == cpu_to_le16(0xffff))
5254 return wkr.mac[0];
5255 rc = readWepKeyRid(ai, &wkr, 0, 1);
5256 if (rc != SUCCESS)
5257 return -1;
5258 } while (lastindex != wkr.kindex);
5259 return -1;
5260}
5261
5262static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5263 u16 keylen, int perm, int lock)
Al Viro4293ea32007-12-19 19:21:51 -05005264{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005265 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5266 WepKeyRid wkr;
Dan Williamsc0380692009-01-24 09:12:15 -05005267 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005268
Stanislaw Gruszka6510b892010-02-26 15:10:28 +01005269 if (WARN_ON(keylen == 0))
5270 return -1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005271
Dan Williamsc0380692009-01-24 09:12:15 -05005272 memset(&wkr, 0, sizeof(wkr));
5273 wkr.len = cpu_to_le16(sizeof(wkr));
5274 wkr.kindex = cpu_to_le16(index);
5275 wkr.klen = cpu_to_le16(keylen);
5276 memcpy(wkr.key, key, keylen);
5277 memcpy(wkr.mac, macaddr, ETH_ALEN);
5278
Dan Streetmanf89b2322005-11-11 11:41:42 -05005279 if (perm) disable_MAC(ai, lock);
Dan Williamsc0380692009-01-24 09:12:15 -05005280 rc = writeWepKeyRid(ai, &wkr, perm, lock);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005281 if (perm) enable_MAC(ai, lock);
Dan Williamsc0380692009-01-24 09:12:15 -05005282 return rc;
5283}
5284
5285static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5286{
5287 WepKeyRid wkr;
5288 int rc;
5289
5290 memset(&wkr, 0, sizeof(wkr));
5291 wkr.len = cpu_to_le16(sizeof(wkr));
5292 wkr.kindex = cpu_to_le16(0xffff);
5293 wkr.mac[0] = (char)index;
5294
5295 if (perm) {
5296 ai->defindex = (char)index;
5297 disable_MAC(ai, lock);
5298 }
5299
5300 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5301
5302 if (perm)
5303 enable_MAC(ai, lock);
5304 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005305}
5306
5307static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5308 struct proc_data *data;
5309 struct proc_dir_entry *dp = PDE(inode);
5310 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005311 struct airo_info *ai = dev->ml_priv;
Dan Williamsc0380692009-01-24 09:12:15 -05005312 int i, rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005313 char key[16];
5314 u16 index = 0;
5315 int j = 0;
5316
5317 memset(key, 0, sizeof(key));
5318
5319 data = (struct proc_data *)file->private_data;
5320 if ( !data->writelen ) return;
5321
5322 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5323 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5324 index = data->wbuffer[0] - '0';
5325 if (data->wbuffer[1] == '\n') {
Dan Williamsc0380692009-01-24 09:12:15 -05005326 rc = set_wep_tx_idx(ai, index, 1, 1);
5327 if (rc < 0) {
5328 airo_print_err(ai->dev->name, "failed to set "
5329 "WEP transmit index to %d: %d.",
5330 index, rc);
5331 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005332 return;
5333 }
5334 j = 2;
5335 } else {
Dan Williams934d8bf2006-03-16 13:46:23 -05005336 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
Linus Torvalds1da177e2005-04-16 15:20:36 -07005337 return;
5338 }
5339
5340 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5341 switch(i%3) {
5342 case 0:
5343 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5344 break;
5345 case 1:
5346 key[i/3] |= hexVal(data->wbuffer[i+j]);
5347 break;
5348 }
5349 }
Dan Williamsc0380692009-01-24 09:12:15 -05005350
5351 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5352 if (rc < 0) {
5353 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5354 "%d: %d.", index, rc);
5355 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005356}
5357
Al Viro4293ea32007-12-19 19:21:51 -05005358static int proc_wepkey_open( struct inode *inode, struct file *file )
5359{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005360 struct proc_data *data;
5361 struct proc_dir_entry *dp = PDE(inode);
5362 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005363 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005364 char *ptr;
5365 WepKeyRid wkr;
Al Viro4293ea32007-12-19 19:21:51 -05005366 __le16 lastindex;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005367 int j=0;
5368 int rc;
5369
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005370 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005371 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005372 memset(&wkr, 0, sizeof(wkr));
5373 data = (struct proc_data *)file->private_data;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005374 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005375 kfree (file->private_data);
5376 return -ENOMEM;
5377 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005378 data->writelen = 0;
5379 data->maxwritelen = 80;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005380 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005381 kfree (data->rbuffer);
5382 kfree (file->private_data);
5383 return -ENOMEM;
5384 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005385 data->on_close = proc_wepkey_on_close;
5386
5387 ptr = data->rbuffer;
5388 strcpy(ptr, "No wep keys\n");
5389 rc = readWepKeyRid(ai, &wkr, 1, 1);
5390 if (rc == SUCCESS) do {
5391 lastindex = wkr.kindex;
Al Viro4293ea32007-12-19 19:21:51 -05005392 if (wkr.kindex == cpu_to_le16(0xffff)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005393 j += sprintf(ptr+j, "Tx key = %d\n",
5394 (int)wkr.mac[0]);
5395 } else {
5396 j += sprintf(ptr+j, "Key %d set with length = %d\n",
Al Viro4293ea32007-12-19 19:21:51 -05005397 le16_to_cpu(wkr.kindex),
5398 le16_to_cpu(wkr.klen));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005399 }
5400 readWepKeyRid(ai, &wkr, 0, 1);
5401 } while((lastindex != wkr.kindex) && (j < 180-30));
5402
5403 data->readlen = strlen( data->rbuffer );
5404 return 0;
5405}
5406
Al Viro0dd22122007-12-17 16:11:57 -05005407static int proc_SSID_open(struct inode *inode, struct file *file)
5408{
Linus Torvalds1da177e2005-04-16 15:20:36 -07005409 struct proc_data *data;
5410 struct proc_dir_entry *dp = PDE(inode);
5411 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005412 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005413 int i;
5414 char *ptr;
5415 SsidRid SSID_rid;
5416
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005417 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005418 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005419 data = (struct proc_data *)file->private_data;
5420 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5421 kfree (file->private_data);
5422 return -ENOMEM;
5423 }
5424 data->writelen = 0;
5425 data->maxwritelen = 33*3;
Al Viro0dd22122007-12-17 16:11:57 -05005426 /* allocate maxwritelen + 1; we'll want a sentinel */
5427 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005428 kfree (data->rbuffer);
5429 kfree (file->private_data);
5430 return -ENOMEM;
5431 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005432 data->on_close = proc_SSID_on_close;
5433
5434 readSsidRid(ai, &SSID_rid);
5435 ptr = data->rbuffer;
Al Viro0dd22122007-12-17 16:11:57 -05005436 for (i = 0; i < 3; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005437 int j;
Al Viro0dd22122007-12-17 16:11:57 -05005438 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5439 if (!len)
5440 break;
5441 if (len > 32)
5442 len = 32;
5443 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005444 *ptr++ = SSID_rid.ssids[i].ssid[j];
Linus Torvalds1da177e2005-04-16 15:20:36 -07005445 *ptr++ = '\n';
5446 }
5447 *ptr = '\0';
5448 data->readlen = strlen( data->rbuffer );
5449 return 0;
5450}
5451
5452static int proc_APList_open( struct inode *inode, struct file *file ) {
5453 struct proc_data *data;
5454 struct proc_dir_entry *dp = PDE(inode);
5455 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005456 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005457 int i;
5458 char *ptr;
5459 APListRid APList_rid;
5460
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005461 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005462 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005463 data = (struct proc_data *)file->private_data;
5464 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5465 kfree (file->private_data);
5466 return -ENOMEM;
5467 }
5468 data->writelen = 0;
5469 data->maxwritelen = 4*6*3;
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005470 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005471 kfree (data->rbuffer);
5472 kfree (file->private_data);
5473 return -ENOMEM;
5474 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005475 data->on_close = proc_APList_on_close;
5476
5477 readAPListRid(ai, &APList_rid);
5478 ptr = data->rbuffer;
5479 for( i = 0; i < 4; i++ ) {
5480// We end when we find a zero MAC
5481 if ( !*(int*)APList_rid.ap[i] &&
5482 !*(int*)&APList_rid.ap[i][2]) break;
Johannes Berge1749612008-10-27 15:59:26 -07005483 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005484 }
5485 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5486
5487 *ptr = '\0';
5488 data->readlen = strlen( data->rbuffer );
5489 return 0;
5490}
5491
5492static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5493 struct proc_data *data;
5494 struct proc_dir_entry *dp = PDE(inode);
5495 struct net_device *dev = dp->data;
Wang Chenfaf39942008-10-14 13:30:33 +08005496 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005497 char *ptr;
5498 BSSListRid BSSList_rid;
5499 int rc;
5500 /* If doLoseSync is not 1, we won't do a Lose Sync */
5501 int doLoseSync = -1;
5502
Panagiotis Issarisb69a3aa2005-11-08 00:03:15 +01005503 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005504 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005505 data = (struct proc_data *)file->private_data;
5506 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5507 kfree (file->private_data);
5508 return -ENOMEM;
5509 }
5510 data->writelen = 0;
5511 data->maxwritelen = 0;
5512 data->wbuffer = NULL;
5513 data->on_close = NULL;
5514
5515 if (file->f_mode & FMODE_WRITE) {
5516 if (!(file->f_mode & FMODE_READ)) {
5517 Cmd cmd;
5518 Resp rsp;
5519
5520 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5521 memset(&cmd, 0, sizeof(cmd));
5522 cmd.cmd=CMD_LISTBSS;
5523 if (down_interruptible(&ai->sem))
5524 return -ERESTARTSYS;
5525 issuecommand(ai, &cmd, &rsp);
5526 up(&ai->sem);
5527 data->readlen = 0;
5528 return 0;
5529 }
5530 doLoseSync = 1;
5531 }
5532 ptr = data->rbuffer;
5533 /* There is a race condition here if there are concurrent opens.
5534 Since it is a rare condition, we'll just live with it, otherwise
5535 we have to add a spin lock... */
5536 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
Al Viro17e70492007-12-19 18:56:37 -05005537 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
Johannes Berge1749612008-10-27 15:59:26 -07005538 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5539 BSSList_rid.bssid,
Linus Torvalds1da177e2005-04-16 15:20:36 -07005540 (int)BSSList_rid.ssidLen,
5541 BSSList_rid.ssid,
Al Viro17e70492007-12-19 18:56:37 -05005542 le16_to_cpu(BSSList_rid.dBm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005543 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
Al Viro17e70492007-12-19 18:56:37 -05005544 le16_to_cpu(BSSList_rid.dsChannel),
Linus Torvalds1da177e2005-04-16 15:20:36 -07005545 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5546 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5547 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5548 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5549 rc = readBSSListRid(ai, 0, &BSSList_rid);
5550 }
5551 *ptr = '\0';
5552 data->readlen = strlen( data->rbuffer );
5553 return 0;
5554}
5555
5556static int proc_close( struct inode *inode, struct file *file )
5557{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04005558 struct proc_data *data = file->private_data;
5559
5560 if (data->on_close != NULL)
5561 data->on_close(inode, file);
5562 kfree(data->rbuffer);
5563 kfree(data->wbuffer);
5564 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005565 return 0;
5566}
5567
Linus Torvalds1da177e2005-04-16 15:20:36 -07005568/* Since the card doesn't automatically switch to the right WEP mode,
5569 we will make it do it. If the card isn't associated, every secs we
5570 will switch WEP modes to see if that will help. If the card is
5571 associated we will check every minute to see if anything has
5572 changed. */
5573static void timer_func( struct net_device *dev ) {
Wang Chenfaf39942008-10-14 13:30:33 +08005574 struct airo_info *apriv = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005575
5576/* We don't have a link so try changing the authtype */
5577 readConfigRid(apriv, 0);
5578 disable_MAC(apriv, 0);
5579 switch(apriv->config.authType) {
5580 case AUTH_ENCRYPT:
5581/* So drop to OPEN */
5582 apriv->config.authType = AUTH_OPEN;
5583 break;
5584 case AUTH_SHAREDKEY:
5585 if (apriv->keyindex < auto_wep) {
Dan Williamsc0380692009-01-24 09:12:15 -05005586 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005587 apriv->config.authType = AUTH_SHAREDKEY;
5588 apriv->keyindex++;
5589 } else {
5590 /* Drop to ENCRYPT */
5591 apriv->keyindex = 0;
Dan Williamsc0380692009-01-24 09:12:15 -05005592 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005593 apriv->config.authType = AUTH_ENCRYPT;
5594 }
5595 break;
5596 default: /* We'll escalate to SHAREDKEY */
5597 apriv->config.authType = AUTH_SHAREDKEY;
5598 }
5599 set_bit (FLAG_COMMIT, &apriv->flags);
5600 writeConfigRid(apriv, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005601 enable_MAC(apriv, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005602 up(&apriv->sem);
5603
5604/* Schedule check to see if the change worked */
Dan Williams3c304952006-04-15 12:26:18 -04005605 clear_bit(JOB_AUTOWEP, &apriv->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005606 apriv->expires = RUN_AT(HZ*3);
5607}
5608
Linus Torvalds1da177e2005-04-16 15:20:36 -07005609#ifdef CONFIG_PCI
5610static int __devinit airo_pci_probe(struct pci_dev *pdev,
5611 const struct pci_device_id *pent)
5612{
5613 struct net_device *dev;
5614
5615 if (pci_enable_device(pdev))
5616 return -ENODEV;
5617 pci_set_master(pdev);
5618
5619 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5620 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5621 else
5622 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005623 if (!dev) {
5624 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005625 return -ENODEV;
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005626 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005627
5628 pci_set_drvdata(pdev, dev);
5629 return 0;
5630}
5631
5632static void __devexit airo_pci_remove(struct pci_dev *pdev)
5633{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005634 struct net_device *dev = pci_get_drvdata(pdev);
5635
5636 airo_print_info(dev->name, "Unregistering...");
5637 stop_airo_card(dev, 1);
Michal Schmidt777ec5e2007-06-29 15:33:30 +02005638 pci_disable_device(pdev);
5639 pci_set_drvdata(pdev, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005640}
5641
Pavel Machek05adc3b2005-04-16 15:25:25 -07005642static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005643{
5644 struct net_device *dev = pci_get_drvdata(pdev);
Wang Chenfaf39942008-10-14 13:30:33 +08005645 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005646 Cmd cmd;
5647 Resp rsp;
5648
Pavel Macheke292c732008-06-25 12:25:53 +02005649 if (!ai->APList)
5650 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5651 if (!ai->APList)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005652 return -ENOMEM;
Pavel Macheke292c732008-06-25 12:25:53 +02005653 if (!ai->SSID)
5654 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5655 if (!ai->SSID)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005656 return -ENOMEM;
5657 readAPListRid(ai, ai->APList);
5658 readSsidRid(ai, ai->SSID);
5659 memset(&cmd, 0, sizeof(cmd));
5660 /* the lock will be released at the end of the resume callback */
5661 if (down_interruptible(&ai->sem))
5662 return -EAGAIN;
5663 disable_MAC(ai, 0);
5664 netif_device_detach(dev);
5665 ai->power = state;
Pavel Macheke292c732008-06-25 12:25:53 +02005666 cmd.cmd = HOSTSLEEP;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005667 issuecommand(ai, &cmd, &rsp);
5668
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005669 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005670 pci_save_state(pdev);
matthieu castet40b93ad2009-10-09 22:12:25 +02005671 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5672 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005673}
5674
5675static int airo_pci_resume(struct pci_dev *pdev)
5676{
5677 struct net_device *dev = pci_get_drvdata(pdev);
Wang Chenfaf39942008-10-14 13:30:33 +08005678 struct airo_info *ai = dev->ml_priv;
Michal Schmidt53232802005-10-04 07:46:21 -04005679 pci_power_t prev_state = pdev->current_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005680
Michal Schmidt53232802005-10-04 07:46:21 -04005681 pci_set_power_state(pdev, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005682 pci_restore_state(pdev);
Michal Schmidt53232802005-10-04 07:46:21 -04005683 pci_enable_wake(pdev, PCI_D0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005684
Michal Schmidt53232802005-10-04 07:46:21 -04005685 if (prev_state != PCI_D1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005686 reset_card(dev, 0);
5687 mpi_init_descriptors(ai);
5688 setup_card(ai, dev->dev_addr, 0);
5689 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5690 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5691 } else {
5692 OUT4500(ai, EVACK, EV_AWAKEN);
5693 OUT4500(ai, EVACK, EV_AWAKEN);
5694 msleep(100);
5695 }
5696
Pavel Macheke292c732008-06-25 12:25:53 +02005697 set_bit(FLAG_COMMIT, &ai->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005698 disable_MAC(ai, 0);
5699 msleep(200);
5700 if (ai->SSID) {
5701 writeSsidRid(ai, ai->SSID, 0);
5702 kfree(ai->SSID);
5703 ai->SSID = NULL;
5704 }
5705 if (ai->APList) {
5706 writeAPListRid(ai, ai->APList, 0);
5707 kfree(ai->APList);
5708 ai->APList = NULL;
5709 }
5710 writeConfigRid(ai, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005711 enable_MAC(ai, 0);
Pavel Machek1cc68ae2005-06-20 15:33:04 -07005712 ai->power = PMSG_ON;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005713 netif_device_attach(dev);
5714 netif_wake_queue(dev);
5715 enable_interrupts(ai);
5716 up(&ai->sem);
5717 return 0;
5718}
5719#endif
5720
5721static int __init airo_init_module( void )
5722{
Jeff Garzikde897882006-10-01 07:31:09 -04005723 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005724
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005725 airo_entry = create_proc_entry("driver/aironet",
Linus Torvalds1da177e2005-04-16 15:20:36 -07005726 S_IFDIR | airo_perm,
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005727 NULL);
Jeff Garzikde897882006-10-01 07:31:09 -04005728
5729 if (airo_entry) {
5730 airo_entry->uid = proc_uid;
5731 airo_entry->gid = proc_gid;
5732 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005733
Pavel Macheke292c732008-06-25 12:25:53 +02005734 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005735 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5736 "io=0x%x", irq[i], io[i] );
Linus Torvalds1da177e2005-04-16 15:20:36 -07005737 if (init_airo_card( irq[i], io[i], 0, NULL ))
Jeff Garzikde897882006-10-01 07:31:09 -04005738 /* do nothing */ ;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005739 }
5740
5741#ifdef CONFIG_PCI
Dan Williams934d8bf2006-03-16 13:46:23 -05005742 airo_print_info("", "Probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005743 i = pci_register_driver(&airo_driver);
Dan Williams934d8bf2006-03-16 13:46:23 -05005744 airo_print_info("", "Finished probing for PCI adapters");
Jeff Garzikde897882006-10-01 07:31:09 -04005745
5746 if (i) {
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005747 remove_proc_entry("driver/aironet", NULL);
Jeff Garzikde897882006-10-01 07:31:09 -04005748 return i;
5749 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005750#endif
5751
5752 /* Always exit with success, as we are a library module
5753 * as well as a driver module
5754 */
5755 return 0;
5756}
5757
5758static void __exit airo_cleanup_module( void )
5759{
Michal Schmidtaf5b5c92007-03-16 12:44:40 +01005760 struct airo_info *ai;
5761 while(!list_empty(&airo_devices)) {
5762 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5763 airo_print_info(ai->dev->name, "Unregistering...");
5764 stop_airo_card(ai->dev, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005765 }
5766#ifdef CONFIG_PCI
5767 pci_unregister_driver(&airo_driver);
5768#endif
Alexey Dobriyan928b4d82008-04-29 01:01:44 -07005769 remove_proc_entry("driver/aironet", NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005770}
5771
Linus Torvalds1da177e2005-04-16 15:20:36 -07005772/*
5773 * Initial Wireless Extension code for Aironet driver by :
5774 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5775 * Conversion to new driver API by :
5776 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5777 * Javier also did a good amount of work here, adding some new extensions
5778 * and fixing my code. Let's just say that without him this code just
5779 * would not work at all... - Jean II
5780 */
5781
Dan Williams41480af2005-05-10 09:45:51 -04005782static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5783{
Pavel Macheke292c732008-06-25 12:25:53 +02005784 if (!rssi_rid)
Dan Williams41480af2005-05-10 09:45:51 -04005785 return 0;
5786
5787 return (0x100 - rssi_rid[rssi].rssidBm);
5788}
5789
5790static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5791{
5792 int i;
5793
Pavel Macheke292c732008-06-25 12:25:53 +02005794 if (!rssi_rid)
Dan Williams41480af2005-05-10 09:45:51 -04005795 return 0;
5796
Pavel Macheke292c732008-06-25 12:25:53 +02005797 for (i = 0; i < 256; i++)
Dan Williams41480af2005-05-10 09:45:51 -04005798 if (rssi_rid[i].rssidBm == dbm)
5799 return rssi_rid[i].rssipct;
5800
5801 return 0;
5802}
5803
5804
Linus Torvalds1da177e2005-04-16 15:20:36 -07005805static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5806{
5807 int quality = 0;
Al Viro329e2c02007-12-20 22:58:57 -05005808 u16 sq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005809
Al Viro329e2c02007-12-20 22:58:57 -05005810 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
Al Viro56d81bd2007-12-20 17:18:35 -05005811 return 0;
5812
5813 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5814 return 0;
5815
Al Viro329e2c02007-12-20 22:58:57 -05005816 sq = le16_to_cpu(status_rid->signalQuality);
Al Viro56d81bd2007-12-20 17:18:35 -05005817 if (memcmp(cap_rid->prodName, "350", 3))
Al Viro329e2c02007-12-20 22:58:57 -05005818 if (sq > 0x20)
Al Viro56d81bd2007-12-20 17:18:35 -05005819 quality = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005820 else
Al Viro329e2c02007-12-20 22:58:57 -05005821 quality = 0x20 - sq;
Al Viro56d81bd2007-12-20 17:18:35 -05005822 else
Al Viro329e2c02007-12-20 22:58:57 -05005823 if (sq > 0xb0)
Al Viro56d81bd2007-12-20 17:18:35 -05005824 quality = 0;
Al Viro329e2c02007-12-20 22:58:57 -05005825 else if (sq < 0x10)
Al Viro56d81bd2007-12-20 17:18:35 -05005826 quality = 0xa0;
5827 else
Al Viro329e2c02007-12-20 22:58:57 -05005828 quality = 0xb0 - sq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005829 return quality;
5830}
5831
5832#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5833#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5834
5835/*------------------------------------------------------------------*/
5836/*
5837 * Wireless Handler : get protocol name
5838 */
5839static int airo_get_name(struct net_device *dev,
5840 struct iw_request_info *info,
5841 char *cwrq,
5842 char *extra)
5843{
5844 strcpy(cwrq, "IEEE 802.11-DS");
5845 return 0;
5846}
5847
5848/*------------------------------------------------------------------*/
5849/*
5850 * Wireless Handler : set frequency
5851 */
5852static int airo_set_freq(struct net_device *dev,
5853 struct iw_request_info *info,
5854 struct iw_freq *fwrq,
5855 char *extra)
5856{
Wang Chenfaf39942008-10-14 13:30:33 +08005857 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005858 int rc = -EINPROGRESS; /* Call commit handler */
5859
5860 /* If setting by frequency, convert to a channel */
David Kilroy9ee677c2008-12-23 14:03:38 +00005861 if(fwrq->e == 1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005862 int f = fwrq->m / 100000;
David Kilroy9ee677c2008-12-23 14:03:38 +00005863
Linus Torvalds1da177e2005-04-16 15:20:36 -07005864 /* Hack to fall through... */
5865 fwrq->e = 0;
David Kilroy9ee677c2008-12-23 14:03:38 +00005866 fwrq->m = ieee80211_freq_to_dsss_chan(f);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005867 }
5868 /* Setting by channel number */
5869 if((fwrq->m > 1000) || (fwrq->e > 0))
5870 rc = -EOPNOTSUPP;
5871 else {
5872 int channel = fwrq->m;
5873 /* We should do a better check than that,
5874 * based on the card capability !!! */
Javier Achirica2610c732006-01-17 08:01:01 -05005875 if((channel < 1) || (channel > 14)) {
Dan Williams934d8bf2006-03-16 13:46:23 -05005876 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5877 fwrq->m);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005878 rc = -EINVAL;
5879 } else {
5880 readConfigRid(local, 1);
5881 /* Yes ! We can set it !!! */
Al Viro3eb9b412007-12-21 00:00:35 -05005882 local->config.channelSet = cpu_to_le16(channel);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005883 set_bit (FLAG_COMMIT, &local->flags);
5884 }
5885 }
5886 return rc;
5887}
5888
5889/*------------------------------------------------------------------*/
5890/*
5891 * Wireless Handler : get frequency
5892 */
5893static int airo_get_freq(struct net_device *dev,
5894 struct iw_request_info *info,
5895 struct iw_freq *fwrq,
5896 char *extra)
5897{
Wang Chenfaf39942008-10-14 13:30:33 +08005898 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005899 StatusRid status_rid; /* Card status info */
Javier Achirica2610c732006-01-17 08:01:01 -05005900 int ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005901
5902 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05005903 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5904 status_rid.channel = local->config.channelSet;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005905 else
5906 readStatusRid(local, &status_rid, 1);
5907
Al Viro329e2c02007-12-20 22:58:57 -05005908 ch = le16_to_cpu(status_rid.channel);
Javier Achirica2610c732006-01-17 08:01:01 -05005909 if((ch > 0) && (ch < 15)) {
David Kilroy9ee677c2008-12-23 14:03:38 +00005910 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005911 fwrq->e = 1;
Javier Achirica2610c732006-01-17 08:01:01 -05005912 } else {
5913 fwrq->m = ch;
5914 fwrq->e = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005915 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005916
5917 return 0;
5918}
5919
5920/*------------------------------------------------------------------*/
5921/*
5922 * Wireless Handler : set ESSID
5923 */
5924static int airo_set_essid(struct net_device *dev,
5925 struct iw_request_info *info,
5926 struct iw_point *dwrq,
5927 char *extra)
5928{
Wang Chenfaf39942008-10-14 13:30:33 +08005929 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005930 SsidRid SSID_rid; /* SSIDs */
5931
5932 /* Reload the list of current SSID */
5933 readSsidRid(local, &SSID_rid);
5934
5935 /* Check if we asked for `any' */
Roel Kluin3d0ccd02009-07-25 23:02:32 +02005936 if (dwrq->flags == 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005937 /* Just send an empty SSID list */
5938 memset(&SSID_rid, 0, sizeof(SSID_rid));
5939 } else {
Roel Kluin3d0ccd02009-07-25 23:02:32 +02005940 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005941
5942 /* Check the size of the string */
Roel Kluin3d0ccd02009-07-25 23:02:32 +02005943 if (dwrq->length > IW_ESSID_MAX_SIZE)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005944 return -E2BIG ;
Roel Kluin3d0ccd02009-07-25 23:02:32 +02005945
Linus Torvalds1da177e2005-04-16 15:20:36 -07005946 /* Check if index is valid */
Roel Kluin3d0ccd02009-07-25 23:02:32 +02005947 if (index >= ARRAY_SIZE(SSID_rid.ssids))
Linus Torvalds1da177e2005-04-16 15:20:36 -07005948 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005949
5950 /* Set the SSID */
5951 memset(SSID_rid.ssids[index].ssid, 0,
5952 sizeof(SSID_rid.ssids[index].ssid));
5953 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
Al Viro0dd22122007-12-17 16:11:57 -05005954 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005955 }
Al Viro0dd22122007-12-17 16:11:57 -05005956 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005957 /* Write it to the card */
5958 disable_MAC(local, 1);
5959 writeSsidRid(local, &SSID_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02005960 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005961
5962 return 0;
5963}
5964
5965/*------------------------------------------------------------------*/
5966/*
5967 * Wireless Handler : get ESSID
5968 */
5969static int airo_get_essid(struct net_device *dev,
5970 struct iw_request_info *info,
5971 struct iw_point *dwrq,
5972 char *extra)
5973{
Wang Chenfaf39942008-10-14 13:30:33 +08005974 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005975 StatusRid status_rid; /* Card status info */
5976
5977 readStatusRid(local, &status_rid, 1);
5978
5979 /* Note : if dwrq->flags != 0, we should
5980 * get the relevant SSID from the SSID list... */
5981
5982 /* Get the current SSID */
Al Viro329e2c02007-12-20 22:58:57 -05005983 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005984 /* If none, we may want to get the one that was set */
5985
5986 /* Push it out ! */
Al Viro329e2c02007-12-20 22:58:57 -05005987 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005988 dwrq->flags = 1; /* active */
5989
5990 return 0;
5991}
5992
5993/*------------------------------------------------------------------*/
5994/*
5995 * Wireless Handler : set AP address
5996 */
5997static int airo_set_wap(struct net_device *dev,
5998 struct iw_request_info *info,
5999 struct sockaddr *awrq,
6000 char *extra)
6001{
Wang Chenfaf39942008-10-14 13:30:33 +08006002 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006003 Cmd cmd;
6004 Resp rsp;
6005 APListRid APList_rid;
Dan Williams4be757d2006-01-30 11:58:00 -05006006 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
6007 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07006008
6009 if (awrq->sa_family != ARPHRD_ETHER)
6010 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05006011 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6012 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006013 memset(&cmd, 0, sizeof(cmd));
6014 cmd.cmd=CMD_LOSE_SYNC;
6015 if (down_interruptible(&local->sem))
6016 return -ERESTARTSYS;
6017 issuecommand(local, &cmd, &rsp);
6018 up(&local->sem);
6019 } else {
6020 memset(&APList_rid, 0, sizeof(APList_rid));
Al Viroa7497162007-12-20 17:49:41 -05006021 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
Linus Torvalds1da177e2005-04-16 15:20:36 -07006022 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6023 disable_MAC(local, 1);
6024 writeAPListRid(local, &APList_rid, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02006025 enable_MAC(local, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006026 }
6027 return 0;
6028}
6029
6030/*------------------------------------------------------------------*/
6031/*
6032 * Wireless Handler : get AP address
6033 */
6034static int airo_get_wap(struct net_device *dev,
6035 struct iw_request_info *info,
6036 struct sockaddr *awrq,
6037 char *extra)
6038{
Wang Chenfaf39942008-10-14 13:30:33 +08006039 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006040 StatusRid status_rid; /* Card status info */
6041
6042 readStatusRid(local, &status_rid, 1);
6043
6044 /* Tentative. This seems to work, wow, I'm lucky !!! */
6045 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6046 awrq->sa_family = ARPHRD_ETHER;
6047
6048 return 0;
6049}
6050
6051/*------------------------------------------------------------------*/
6052/*
6053 * Wireless Handler : set Nickname
6054 */
6055static int airo_set_nick(struct net_device *dev,
6056 struct iw_request_info *info,
6057 struct iw_point *dwrq,
6058 char *extra)
6059{
Wang Chenfaf39942008-10-14 13:30:33 +08006060 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006061
6062 /* Check the size of the string */
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006063 if(dwrq->length > 16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006064 return -E2BIG;
6065 }
6066 readConfigRid(local, 1);
6067 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6068 memcpy(local->config.nodeName, extra, dwrq->length);
6069 set_bit (FLAG_COMMIT, &local->flags);
6070
6071 return -EINPROGRESS; /* Call commit handler */
6072}
6073
6074/*------------------------------------------------------------------*/
6075/*
6076 * Wireless Handler : get Nickname
6077 */
6078static int airo_get_nick(struct net_device *dev,
6079 struct iw_request_info *info,
6080 struct iw_point *dwrq,
6081 char *extra)
6082{
Wang Chenfaf39942008-10-14 13:30:33 +08006083 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006084
6085 readConfigRid(local, 1);
6086 strncpy(extra, local->config.nodeName, 16);
6087 extra[16] = '\0';
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006088 dwrq->length = strlen(extra);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006089
6090 return 0;
6091}
6092
6093/*------------------------------------------------------------------*/
6094/*
6095 * Wireless Handler : set Bit-Rate
6096 */
6097static int airo_set_rate(struct net_device *dev,
6098 struct iw_request_info *info,
6099 struct iw_param *vwrq,
6100 char *extra)
6101{
Wang Chenfaf39942008-10-14 13:30:33 +08006102 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006103 CapabilityRid cap_rid; /* Card capability info */
6104 u8 brate = 0;
6105 int i;
6106
6107 /* First : get a valid bit rate value */
6108 readCapabilityRid(local, &cap_rid, 1);
6109
6110 /* Which type of value ? */
6111 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6112 /* Setting by rate index */
6113 /* Find value in the magic rate table */
6114 brate = cap_rid.supportedRates[vwrq->value];
6115 } else {
6116 /* Setting by frequency value */
6117 u8 normvalue = (u8) (vwrq->value/500000);
6118
6119 /* Check if rate is valid */
6120 for(i = 0 ; i < 8 ; i++) {
6121 if(normvalue == cap_rid.supportedRates[i]) {
6122 brate = normvalue;
6123 break;
6124 }
6125 }
6126 }
6127 /* -1 designed the max rate (mostly auto mode) */
6128 if(vwrq->value == -1) {
6129 /* Get the highest available rate */
6130 for(i = 0 ; i < 8 ; i++) {
6131 if(cap_rid.supportedRates[i] == 0)
6132 break;
6133 }
6134 if(i != 0)
6135 brate = cap_rid.supportedRates[i - 1];
6136 }
6137 /* Check that it is valid */
6138 if(brate == 0) {
6139 return -EINVAL;
6140 }
6141
6142 readConfigRid(local, 1);
6143 /* Now, check if we want a fixed or auto value */
6144 if(vwrq->fixed == 0) {
6145 /* Fill all the rates up to this max rate */
6146 memset(local->config.rates, 0, 8);
6147 for(i = 0 ; i < 8 ; i++) {
6148 local->config.rates[i] = cap_rid.supportedRates[i];
6149 if(local->config.rates[i] == brate)
6150 break;
6151 }
6152 } else {
6153 /* Fixed mode */
6154 /* One rate, fixed */
6155 memset(local->config.rates, 0, 8);
6156 local->config.rates[0] = brate;
6157 }
6158 set_bit (FLAG_COMMIT, &local->flags);
6159
6160 return -EINPROGRESS; /* Call commit handler */
6161}
6162
6163/*------------------------------------------------------------------*/
6164/*
6165 * Wireless Handler : get Bit-Rate
6166 */
6167static int airo_get_rate(struct net_device *dev,
6168 struct iw_request_info *info,
6169 struct iw_param *vwrq,
6170 char *extra)
6171{
Wang Chenfaf39942008-10-14 13:30:33 +08006172 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006173 StatusRid status_rid; /* Card status info */
6174
6175 readStatusRid(local, &status_rid, 1);
6176
Al Viro329e2c02007-12-20 22:58:57 -05006177 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006178 /* If more than one rate, set auto */
6179 readConfigRid(local, 1);
6180 vwrq->fixed = (local->config.rates[1] == 0);
6181
6182 return 0;
6183}
6184
6185/*------------------------------------------------------------------*/
6186/*
6187 * Wireless Handler : set RTS threshold
6188 */
6189static int airo_set_rts(struct net_device *dev,
6190 struct iw_request_info *info,
6191 struct iw_param *vwrq,
6192 char *extra)
6193{
Wang Chenfaf39942008-10-14 13:30:33 +08006194 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006195 int rthr = vwrq->value;
6196
6197 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006198 rthr = AIRO_DEF_MTU;
6199 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006200 return -EINVAL;
6201 }
6202 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006203 local->config.rtsThres = cpu_to_le16(rthr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006204 set_bit (FLAG_COMMIT, &local->flags);
6205
6206 return -EINPROGRESS; /* Call commit handler */
6207}
6208
6209/*------------------------------------------------------------------*/
6210/*
6211 * Wireless Handler : get RTS threshold
6212 */
6213static int airo_get_rts(struct net_device *dev,
6214 struct iw_request_info *info,
6215 struct iw_param *vwrq,
6216 char *extra)
6217{
Wang Chenfaf39942008-10-14 13:30:33 +08006218 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006219
6220 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006221 vwrq->value = le16_to_cpu(local->config.rtsThres);
Dan Williams15db2762006-03-16 13:46:27 -05006222 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006223 vwrq->fixed = 1;
6224
6225 return 0;
6226}
6227
6228/*------------------------------------------------------------------*/
6229/*
6230 * Wireless Handler : set Fragmentation threshold
6231 */
6232static int airo_set_frag(struct net_device *dev,
6233 struct iw_request_info *info,
6234 struct iw_param *vwrq,
6235 char *extra)
6236{
Wang Chenfaf39942008-10-14 13:30:33 +08006237 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006238 int fthr = vwrq->value;
6239
6240 if(vwrq->disabled)
Dan Williams15db2762006-03-16 13:46:27 -05006241 fthr = AIRO_DEF_MTU;
6242 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006243 return -EINVAL;
6244 }
6245 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6246 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006247 local->config.fragThresh = cpu_to_le16(fthr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006248 set_bit (FLAG_COMMIT, &local->flags);
6249
6250 return -EINPROGRESS; /* Call commit handler */
6251}
6252
6253/*------------------------------------------------------------------*/
6254/*
6255 * Wireless Handler : get Fragmentation threshold
6256 */
6257static int airo_get_frag(struct net_device *dev,
6258 struct iw_request_info *info,
6259 struct iw_param *vwrq,
6260 char *extra)
6261{
Wang Chenfaf39942008-10-14 13:30:33 +08006262 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006263
6264 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006265 vwrq->value = le16_to_cpu(local->config.fragThresh);
Dan Williams15db2762006-03-16 13:46:27 -05006266 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006267 vwrq->fixed = 1;
6268
6269 return 0;
6270}
6271
6272/*------------------------------------------------------------------*/
6273/*
6274 * Wireless Handler : set Mode of Operation
6275 */
6276static int airo_set_mode(struct net_device *dev,
6277 struct iw_request_info *info,
6278 __u32 *uwrq,
6279 char *extra)
6280{
Wang Chenfaf39942008-10-14 13:30:33 +08006281 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006282 int reset = 0;
6283
6284 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006285 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006286 reset = 1;
6287
6288 switch(*uwrq) {
6289 case IW_MODE_ADHOC:
Al Viro3eb9b412007-12-21 00:00:35 -05006290 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006291 local->config.opmode |= MODE_STA_IBSS;
Al Viro3eb9b412007-12-21 00:00:35 -05006292 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006293 local->config.scanMode = SCANMODE_ACTIVE;
6294 clear_bit (FLAG_802_11, &local->flags);
6295 break;
6296 case IW_MODE_INFRA:
Al Viro3eb9b412007-12-21 00:00:35 -05006297 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006298 local->config.opmode |= MODE_STA_ESS;
Al Viro3eb9b412007-12-21 00:00:35 -05006299 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006300 local->config.scanMode = SCANMODE_ACTIVE;
6301 clear_bit (FLAG_802_11, &local->flags);
6302 break;
6303 case IW_MODE_MASTER:
Al Viro3eb9b412007-12-21 00:00:35 -05006304 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006305 local->config.opmode |= MODE_AP;
Al Viro3eb9b412007-12-21 00:00:35 -05006306 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006307 local->config.scanMode = SCANMODE_ACTIVE;
6308 clear_bit (FLAG_802_11, &local->flags);
6309 break;
6310 case IW_MODE_REPEAT:
Al Viro3eb9b412007-12-21 00:00:35 -05006311 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006312 local->config.opmode |= MODE_AP_RPTR;
Al Viro3eb9b412007-12-21 00:00:35 -05006313 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006314 local->config.scanMode = SCANMODE_ACTIVE;
6315 clear_bit (FLAG_802_11, &local->flags);
6316 break;
6317 case IW_MODE_MONITOR:
Al Viro3eb9b412007-12-21 00:00:35 -05006318 local->config.opmode &= ~MODE_CFG_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006319 local->config.opmode |= MODE_STA_ESS;
Al Viro3eb9b412007-12-21 00:00:35 -05006320 local->config.rmode &= ~RXMODE_FULL_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006321 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6322 local->config.scanMode = SCANMODE_PASSIVE;
6323 set_bit (FLAG_802_11, &local->flags);
6324 break;
6325 default:
6326 return -EINVAL;
6327 }
6328 if (reset)
6329 set_bit (FLAG_RESET, &local->flags);
6330 set_bit (FLAG_COMMIT, &local->flags);
6331
6332 return -EINPROGRESS; /* Call commit handler */
6333}
6334
6335/*------------------------------------------------------------------*/
6336/*
6337 * Wireless Handler : get Mode of Operation
6338 */
6339static int airo_get_mode(struct net_device *dev,
6340 struct iw_request_info *info,
6341 __u32 *uwrq,
6342 char *extra)
6343{
Wang Chenfaf39942008-10-14 13:30:33 +08006344 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006345
6346 readConfigRid(local, 1);
6347 /* If not managed, assume it's ad-hoc */
Al Viro3eb9b412007-12-21 00:00:35 -05006348 switch (local->config.opmode & MODE_CFG_MASK) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006349 case MODE_STA_ESS:
6350 *uwrq = IW_MODE_INFRA;
6351 break;
6352 case MODE_AP:
6353 *uwrq = IW_MODE_MASTER;
6354 break;
6355 case MODE_AP_RPTR:
6356 *uwrq = IW_MODE_REPEAT;
6357 break;
6358 default:
6359 *uwrq = IW_MODE_ADHOC;
6360 }
6361
6362 return 0;
6363}
6364
Dan Williams138c0c62009-01-24 09:11:35 -05006365static inline int valid_index(struct airo_info *ai, int index)
Al Viro56d81bd2007-12-20 17:18:35 -05006366{
Dan Williams138c0c62009-01-24 09:11:35 -05006367 return (index >= 0) && (index <= ai->max_wep_idx);
Al Viro56d81bd2007-12-20 17:18:35 -05006368}
6369
Linus Torvalds1da177e2005-04-16 15:20:36 -07006370/*------------------------------------------------------------------*/
6371/*
6372 * Wireless Handler : set Encryption Key
6373 */
6374static int airo_set_encode(struct net_device *dev,
6375 struct iw_request_info *info,
6376 struct iw_point *dwrq,
6377 char *extra)
6378{
Wang Chenfaf39942008-10-14 13:30:33 +08006379 struct airo_info *local = dev->ml_priv;
Dan Williamsc0380692009-01-24 09:12:15 -05006380 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006381 __le16 currentAuthType = local->config.authType;
Dan Williamsc0380692009-01-24 09:12:15 -05006382 int rc = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006383
Dan Williams138c0c62009-01-24 09:11:35 -05006384 if (!local->wep_capable)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006385 return -EOPNOTSUPP;
Dan Williams138c0c62009-01-24 09:11:35 -05006386
Linus Torvalds1da177e2005-04-16 15:20:36 -07006387 readConfigRid(local, 1);
6388
6389 /* Basic checking: do we have a key to set ?
6390 * Note : with the new API, it's impossible to get a NULL pointer.
6391 * Therefore, we need to check a key size == 0 instead.
6392 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6393 * when no key is present (only change flags), but older versions
6394 * don't do it. - Jean II */
6395 if (dwrq->length > 0) {
6396 wep_key_t key;
6397 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
Dan Williamsc0380692009-01-24 09:12:15 -05006398 int current_index;
Dan Williams138c0c62009-01-24 09:11:35 -05006399
Linus Torvalds1da177e2005-04-16 15:20:36 -07006400 /* Check the size of the key */
6401 if (dwrq->length > MAX_KEY_SIZE) {
6402 return -EINVAL;
6403 }
Dan Williams138c0c62009-01-24 09:11:35 -05006404
Dan Williamsc0380692009-01-24 09:12:15 -05006405 current_index = get_wep_tx_idx(local);
6406 if (current_index < 0)
6407 current_index = 0;
6408
Linus Torvalds1da177e2005-04-16 15:20:36 -07006409 /* Check the index (none -> use current) */
Dan Williams138c0c62009-01-24 09:11:35 -05006410 if (!valid_index(local, index))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006411 index = current_index;
Dan Williams138c0c62009-01-24 09:11:35 -05006412
Linus Torvalds1da177e2005-04-16 15:20:36 -07006413 /* Set the length */
6414 if (dwrq->length > MIN_KEY_SIZE)
6415 key.len = MAX_KEY_SIZE;
6416 else
Stanislaw Gruszkaf09c2562010-02-02 15:34:50 +01006417 key.len = MIN_KEY_SIZE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006418 /* Check if the key is not marked as invalid */
6419 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6420 /* Cleanup */
6421 memset(key.key, 0, MAX_KEY_SIZE);
6422 /* Copy the key in the driver */
6423 memcpy(key.key, extra, dwrq->length);
6424 /* Send the key to the card */
Dan Williamsc0380692009-01-24 09:12:15 -05006425 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6426 if (rc < 0) {
6427 airo_print_err(local->dev->name, "failed to set"
6428 " WEP key at index %d: %d.",
6429 index, rc);
6430 return rc;
6431 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006432 }
6433 /* WE specify that if a valid key is set, encryption
6434 * should be enabled (user may turn it off later)
6435 * This is also how "iwconfig ethX key on" works */
6436 if((index == current_index) && (key.len > 0) &&
6437 (local->config.authType == AUTH_OPEN)) {
6438 local->config.authType = AUTH_ENCRYPT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006439 }
6440 } else {
6441 /* Do we want to just set the transmit key index ? */
6442 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
Dan Williamsc0380692009-01-24 09:12:15 -05006443 if (valid_index(local, index)) {
6444 rc = set_wep_tx_idx(local, index, perm, 1);
6445 if (rc < 0) {
6446 airo_print_err(local->dev->name, "failed to set"
6447 " WEP transmit index to %d: %d.",
6448 index, rc);
6449 return rc;
6450 }
6451 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006452 /* Don't complain if only change the mode */
Jeff Garzik93a3b602007-11-23 21:50:20 -05006453 if (!(dwrq->flags & IW_ENCODE_MODE))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006454 return -EINVAL;
Dan Williams138c0c62009-01-24 09:11:35 -05006455 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006456 }
6457 /* Read the flags */
6458 if(dwrq->flags & IW_ENCODE_DISABLED)
6459 local->config.authType = AUTH_OPEN; // disable encryption
6460 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6461 local->config.authType = AUTH_SHAREDKEY; // Only Both
6462 if(dwrq->flags & IW_ENCODE_OPEN)
6463 local->config.authType = AUTH_ENCRYPT; // Only Wep
6464 /* Commit the changes to flags if needed */
Dan Streetmanf89b2322005-11-11 11:41:42 -05006465 if (local->config.authType != currentAuthType)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006466 set_bit (FLAG_COMMIT, &local->flags);
6467 return -EINPROGRESS; /* Call commit handler */
6468}
6469
6470/*------------------------------------------------------------------*/
6471/*
6472 * Wireless Handler : get Encryption Key
6473 */
6474static int airo_get_encode(struct net_device *dev,
6475 struct iw_request_info *info,
6476 struct iw_point *dwrq,
6477 char *extra)
6478{
Wang Chenfaf39942008-10-14 13:30:33 +08006479 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006480 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
John W. Linville267d4932009-05-20 10:51:41 -04006481 int wep_key_len;
Dan Williamsc0380692009-01-24 09:12:15 -05006482 u8 buf[16];
Linus Torvalds1da177e2005-04-16 15:20:36 -07006483
Dan Williams138c0c62009-01-24 09:11:35 -05006484 if (!local->wep_capable)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006485 return -EOPNOTSUPP;
Dan Williams138c0c62009-01-24 09:11:35 -05006486
Linus Torvalds1da177e2005-04-16 15:20:36 -07006487 readConfigRid(local, 1);
Dan Williams138c0c62009-01-24 09:11:35 -05006488
Linus Torvalds1da177e2005-04-16 15:20:36 -07006489 /* Check encryption mode */
6490 switch(local->config.authType) {
6491 case AUTH_ENCRYPT:
6492 dwrq->flags = IW_ENCODE_OPEN;
6493 break;
6494 case AUTH_SHAREDKEY:
6495 dwrq->flags = IW_ENCODE_RESTRICTED;
6496 break;
6497 default:
6498 case AUTH_OPEN:
6499 dwrq->flags = IW_ENCODE_DISABLED;
6500 break;
6501 }
6502 /* We can't return the key, so set the proper flag and return zero */
6503 dwrq->flags |= IW_ENCODE_NOKEY;
6504 memset(extra, 0, 16);
6505
6506 /* Which key do we want ? -1 -> tx index */
Dan Williamsc0380692009-01-24 09:12:15 -05006507 if (!valid_index(local, index)) {
6508 index = get_wep_tx_idx(local);
6509 if (index < 0)
6510 index = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006511 }
Dan Williamsc0380692009-01-24 09:12:15 -05006512 dwrq->flags |= index + 1;
6513
6514 /* Copy the key to the user buffer */
John W. Linville267d4932009-05-20 10:51:41 -04006515 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6516 if (wep_key_len < 0) {
John W. Linvilleaedec922009-05-04 11:18:57 -04006517 dwrq->length = 0;
John W. Linville267d4932009-05-20 10:51:41 -04006518 } else {
6519 dwrq->length = wep_key_len;
6520 memcpy(extra, buf, dwrq->length);
6521 }
Dan Williamsc0380692009-01-24 09:12:15 -05006522
Linus Torvalds1da177e2005-04-16 15:20:36 -07006523 return 0;
6524}
6525
6526/*------------------------------------------------------------------*/
6527/*
Dan Williams4be757d2006-01-30 11:58:00 -05006528 * Wireless Handler : set extended Encryption parameters
6529 */
6530static int airo_set_encodeext(struct net_device *dev,
6531 struct iw_request_info *info,
6532 union iwreq_data *wrqu,
6533 char *extra)
6534{
Wang Chenfaf39942008-10-14 13:30:33 +08006535 struct airo_info *local = dev->ml_priv;
Dan Williams4be757d2006-01-30 11:58:00 -05006536 struct iw_point *encoding = &wrqu->encoding;
6537 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
Dan Williams4be757d2006-01-30 11:58:00 -05006538 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
Al Viro3eb9b412007-12-21 00:00:35 -05006539 __le16 currentAuthType = local->config.authType;
Dan Williamsc0380692009-01-24 09:12:15 -05006540 int idx, key_len, alg = ext->alg, set_key = 1, rc;
Dan Williams4be757d2006-01-30 11:58:00 -05006541 wep_key_t key;
6542
Dan Williams138c0c62009-01-24 09:11:35 -05006543 if (!local->wep_capable)
Dan Williams4be757d2006-01-30 11:58:00 -05006544 return -EOPNOTSUPP;
Dan Williams138c0c62009-01-24 09:11:35 -05006545
Dan Williams4be757d2006-01-30 11:58:00 -05006546 readConfigRid(local, 1);
6547
6548 /* Determine and validate the key index */
6549 idx = encoding->flags & IW_ENCODE_INDEX;
6550 if (idx) {
Dan Williams138c0c62009-01-24 09:11:35 -05006551 if (!valid_index(local, idx - 1))
Dan Williams4be757d2006-01-30 11:58:00 -05006552 return -EINVAL;
6553 idx--;
Dan Williamsc0380692009-01-24 09:12:15 -05006554 } else {
6555 idx = get_wep_tx_idx(local);
6556 if (idx < 0)
6557 idx = 0;
6558 }
Dan Williams4be757d2006-01-30 11:58:00 -05006559
6560 if (encoding->flags & IW_ENCODE_DISABLED)
6561 alg = IW_ENCODE_ALG_NONE;
6562
Dan Williams4be757d2006-01-30 11:58:00 -05006563 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
Dan Williams22d88462006-02-05 18:00:30 -05006564 /* Only set transmit key index here, actual
6565 * key is set below if needed.
6566 */
Dan Williamsc0380692009-01-24 09:12:15 -05006567 rc = set_wep_tx_idx(local, idx, perm, 1);
6568 if (rc < 0) {
6569 airo_print_err(local->dev->name, "failed to set "
6570 "WEP transmit index to %d: %d.",
6571 idx, rc);
6572 return rc;
6573 }
Dan Williams22d88462006-02-05 18:00:30 -05006574 set_key = ext->key_len > 0 ? 1 : 0;
6575 }
6576
6577 if (set_key) {
Dan Williams4be757d2006-01-30 11:58:00 -05006578 /* Set the requested key first */
6579 memset(key.key, 0, MAX_KEY_SIZE);
6580 switch (alg) {
6581 case IW_ENCODE_ALG_NONE:
6582 key.len = 0;
6583 break;
6584 case IW_ENCODE_ALG_WEP:
6585 if (ext->key_len > MIN_KEY_SIZE) {
6586 key.len = MAX_KEY_SIZE;
6587 } else if (ext->key_len > 0) {
6588 key.len = MIN_KEY_SIZE;
6589 } else {
6590 return -EINVAL;
6591 }
6592 key_len = min (ext->key_len, key.len);
6593 memcpy(key.key, ext->key, key_len);
6594 break;
6595 default:
6596 return -EINVAL;
6597 }
Stanislaw Gruszkaf09c2562010-02-02 15:34:50 +01006598 if (key.len == 0) {
6599 rc = set_wep_tx_idx(local, idx, perm, 1);
6600 if (rc < 0) {
6601 airo_print_err(local->dev->name,
6602 "failed to set WEP transmit index to %d: %d.",
6603 idx, rc);
6604 return rc;
6605 }
6606 } else {
6607 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6608 if (rc < 0) {
6609 airo_print_err(local->dev->name,
6610 "failed to set WEP key at index %d: %d.",
6611 idx, rc);
6612 return rc;
6613 }
Dan Williamsc0380692009-01-24 09:12:15 -05006614 }
Dan Williams4be757d2006-01-30 11:58:00 -05006615 }
6616
6617 /* Read the flags */
6618 if(encoding->flags & IW_ENCODE_DISABLED)
6619 local->config.authType = AUTH_OPEN; // disable encryption
6620 if(encoding->flags & IW_ENCODE_RESTRICTED)
6621 local->config.authType = AUTH_SHAREDKEY; // Only Both
6622 if(encoding->flags & IW_ENCODE_OPEN)
6623 local->config.authType = AUTH_ENCRYPT; // Only Wep
6624 /* Commit the changes to flags if needed */
6625 if (local->config.authType != currentAuthType)
6626 set_bit (FLAG_COMMIT, &local->flags);
6627
6628 return -EINPROGRESS;
6629}
6630
6631
6632/*------------------------------------------------------------------*/
6633/*
6634 * Wireless Handler : get extended Encryption parameters
6635 */
6636static int airo_get_encodeext(struct net_device *dev,
6637 struct iw_request_info *info,
6638 union iwreq_data *wrqu,
6639 char *extra)
6640{
Wang Chenfaf39942008-10-14 13:30:33 +08006641 struct airo_info *local = dev->ml_priv;
Dan Williams4be757d2006-01-30 11:58:00 -05006642 struct iw_point *encoding = &wrqu->encoding;
6643 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
John W. Linville267d4932009-05-20 10:51:41 -04006644 int idx, max_key_len, wep_key_len;
Dan Williamsc0380692009-01-24 09:12:15 -05006645 u8 buf[16];
Dan Williams4be757d2006-01-30 11:58:00 -05006646
Dan Williams138c0c62009-01-24 09:11:35 -05006647 if (!local->wep_capable)
Dan Williams4be757d2006-01-30 11:58:00 -05006648 return -EOPNOTSUPP;
Dan Williams138c0c62009-01-24 09:11:35 -05006649
Dan Williams4be757d2006-01-30 11:58:00 -05006650 readConfigRid(local, 1);
6651
6652 max_key_len = encoding->length - sizeof(*ext);
6653 if (max_key_len < 0)
6654 return -EINVAL;
6655
6656 idx = encoding->flags & IW_ENCODE_INDEX;
6657 if (idx) {
Dan Williams138c0c62009-01-24 09:11:35 -05006658 if (!valid_index(local, idx - 1))
Dan Williams4be757d2006-01-30 11:58:00 -05006659 return -EINVAL;
6660 idx--;
Dan Williamsc0380692009-01-24 09:12:15 -05006661 } else {
6662 idx = get_wep_tx_idx(local);
6663 if (idx < 0)
6664 idx = 0;
6665 }
Dan Williams4be757d2006-01-30 11:58:00 -05006666
6667 encoding->flags = idx + 1;
6668 memset(ext, 0, sizeof(*ext));
6669
6670 /* Check encryption mode */
6671 switch(local->config.authType) {
6672 case AUTH_ENCRYPT:
6673 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6674 break;
6675 case AUTH_SHAREDKEY:
6676 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6677 break;
6678 default:
6679 case AUTH_OPEN:
6680 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6681 break;
6682 }
6683 /* We can't return the key, so set the proper flag and return zero */
6684 encoding->flags |= IW_ENCODE_NOKEY;
6685 memset(extra, 0, 16);
6686
6687 /* Copy the key to the user buffer */
John W. Linville267d4932009-05-20 10:51:41 -04006688 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6689 if (wep_key_len < 0) {
John W. Linvilleaedec922009-05-04 11:18:57 -04006690 ext->key_len = 0;
John W. Linville267d4932009-05-20 10:51:41 -04006691 } else {
6692 ext->key_len = wep_key_len;
6693 memcpy(extra, buf, ext->key_len);
6694 }
Dan Williams4be757d2006-01-30 11:58:00 -05006695
6696 return 0;
6697}
6698
6699
6700/*------------------------------------------------------------------*/
6701/*
6702 * Wireless Handler : set extended authentication parameters
6703 */
6704static int airo_set_auth(struct net_device *dev,
6705 struct iw_request_info *info,
6706 union iwreq_data *wrqu, char *extra)
6707{
Wang Chenfaf39942008-10-14 13:30:33 +08006708 struct airo_info *local = dev->ml_priv;
Dan Williams4be757d2006-01-30 11:58:00 -05006709 struct iw_param *param = &wrqu->param;
Al Viro3eb9b412007-12-21 00:00:35 -05006710 __le16 currentAuthType = local->config.authType;
Dan Williams4be757d2006-01-30 11:58:00 -05006711
6712 switch (param->flags & IW_AUTH_INDEX) {
6713 case IW_AUTH_WPA_VERSION:
6714 case IW_AUTH_CIPHER_PAIRWISE:
6715 case IW_AUTH_CIPHER_GROUP:
6716 case IW_AUTH_KEY_MGMT:
6717 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6718 case IW_AUTH_PRIVACY_INVOKED:
6719 /*
6720 * airo does not use these parameters
6721 */
6722 break;
6723
6724 case IW_AUTH_DROP_UNENCRYPTED:
6725 if (param->value) {
6726 /* Only change auth type if unencrypted */
6727 if (currentAuthType == AUTH_OPEN)
6728 local->config.authType = AUTH_ENCRYPT;
6729 } else {
6730 local->config.authType = AUTH_OPEN;
6731 }
6732
6733 /* Commit the changes to flags if needed */
6734 if (local->config.authType != currentAuthType)
6735 set_bit (FLAG_COMMIT, &local->flags);
6736 break;
6737
6738 case IW_AUTH_80211_AUTH_ALG: {
6739 /* FIXME: What about AUTH_OPEN? This API seems to
6740 * disallow setting our auth to AUTH_OPEN.
6741 */
6742 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6743 local->config.authType = AUTH_SHAREDKEY;
6744 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6745 local->config.authType = AUTH_ENCRYPT;
6746 } else
6747 return -EINVAL;
Dan Williams4be757d2006-01-30 11:58:00 -05006748
6749 /* Commit the changes to flags if needed */
6750 if (local->config.authType != currentAuthType)
6751 set_bit (FLAG_COMMIT, &local->flags);
Dan Williams011f5c52009-04-08 10:15:17 -04006752 break;
Dan Williams4be757d2006-01-30 11:58:00 -05006753 }
6754
6755 case IW_AUTH_WPA_ENABLED:
6756 /* Silently accept disable of WPA */
6757 if (param->value > 0)
6758 return -EOPNOTSUPP;
6759 break;
6760
6761 default:
6762 return -EOPNOTSUPP;
6763 }
6764 return -EINPROGRESS;
6765}
6766
6767
6768/*------------------------------------------------------------------*/
6769/*
6770 * Wireless Handler : get extended authentication parameters
6771 */
6772static int airo_get_auth(struct net_device *dev,
6773 struct iw_request_info *info,
6774 union iwreq_data *wrqu, char *extra)
6775{
Wang Chenfaf39942008-10-14 13:30:33 +08006776 struct airo_info *local = dev->ml_priv;
Dan Williams4be757d2006-01-30 11:58:00 -05006777 struct iw_param *param = &wrqu->param;
Al Viro3eb9b412007-12-21 00:00:35 -05006778 __le16 currentAuthType = local->config.authType;
Dan Williams4be757d2006-01-30 11:58:00 -05006779
6780 switch (param->flags & IW_AUTH_INDEX) {
6781 case IW_AUTH_DROP_UNENCRYPTED:
6782 switch (currentAuthType) {
6783 case AUTH_SHAREDKEY:
6784 case AUTH_ENCRYPT:
6785 param->value = 1;
6786 break;
6787 default:
6788 param->value = 0;
6789 break;
6790 }
6791 break;
6792
6793 case IW_AUTH_80211_AUTH_ALG:
6794 switch (currentAuthType) {
6795 case AUTH_SHAREDKEY:
6796 param->value = IW_AUTH_ALG_SHARED_KEY;
6797 break;
6798 case AUTH_ENCRYPT:
6799 default:
6800 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6801 break;
6802 }
6803 break;
6804
6805 case IW_AUTH_WPA_ENABLED:
6806 param->value = 0;
6807 break;
6808
6809 default:
6810 return -EOPNOTSUPP;
6811 }
6812 return 0;
6813}
6814
6815
6816/*------------------------------------------------------------------*/
6817/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07006818 * Wireless Handler : set Tx-Power
6819 */
6820static int airo_set_txpow(struct net_device *dev,
6821 struct iw_request_info *info,
6822 struct iw_param *vwrq,
6823 char *extra)
6824{
Wang Chenfaf39942008-10-14 13:30:33 +08006825 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006826 CapabilityRid cap_rid; /* Card capability info */
6827 int i;
6828 int rc = -EINVAL;
Al Viro3eb9b412007-12-21 00:00:35 -05006829 __le16 v = cpu_to_le16(vwrq->value);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006830
6831 readCapabilityRid(local, &cap_rid, 1);
6832
6833 if (vwrq->disabled) {
6834 set_bit (FLAG_RADIO_OFF, &local->flags);
6835 set_bit (FLAG_COMMIT, &local->flags);
6836 return -EINPROGRESS; /* Call commit handler */
6837 }
6838 if (vwrq->flags != IW_TXPOW_MWATT) {
6839 return -EINVAL;
6840 }
6841 clear_bit (FLAG_RADIO_OFF, &local->flags);
Roel Kluin3d0ccd02009-07-25 23:02:32 +02006842 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
Al Viro3eb9b412007-12-21 00:00:35 -05006843 if (v == cap_rid.txPowerLevels[i]) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006844 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006845 local->config.txPower = v;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006846 set_bit (FLAG_COMMIT, &local->flags);
6847 rc = -EINPROGRESS; /* Call commit handler */
6848 break;
6849 }
6850 return rc;
6851}
6852
6853/*------------------------------------------------------------------*/
6854/*
6855 * Wireless Handler : get Tx-Power
6856 */
6857static int airo_get_txpow(struct net_device *dev,
6858 struct iw_request_info *info,
6859 struct iw_param *vwrq,
6860 char *extra)
6861{
Wang Chenfaf39942008-10-14 13:30:33 +08006862 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006863
6864 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05006865 vwrq->value = le16_to_cpu(local->config.txPower);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006866 vwrq->fixed = 1; /* No power control */
6867 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6868 vwrq->flags = IW_TXPOW_MWATT;
6869
6870 return 0;
6871}
6872
6873/*------------------------------------------------------------------*/
6874/*
6875 * Wireless Handler : set Retry limits
6876 */
6877static int airo_set_retry(struct net_device *dev,
6878 struct iw_request_info *info,
6879 struct iw_param *vwrq,
6880 char *extra)
6881{
Wang Chenfaf39942008-10-14 13:30:33 +08006882 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006883 int rc = -EINVAL;
6884
6885 if(vwrq->disabled) {
6886 return -EINVAL;
6887 }
6888 readConfigRid(local, 1);
6889 if(vwrq->flags & IW_RETRY_LIMIT) {
Al Viro3eb9b412007-12-21 00:00:35 -05006890 __le16 v = cpu_to_le16(vwrq->value);
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006891 if(vwrq->flags & IW_RETRY_LONG)
Al Viro3eb9b412007-12-21 00:00:35 -05006892 local->config.longRetryLimit = v;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006893 else if (vwrq->flags & IW_RETRY_SHORT)
Al Viro3eb9b412007-12-21 00:00:35 -05006894 local->config.shortRetryLimit = v;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006895 else {
6896 /* No modifier : set both */
Al Viro3eb9b412007-12-21 00:00:35 -05006897 local->config.longRetryLimit = v;
6898 local->config.shortRetryLimit = v;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006899 }
6900 set_bit (FLAG_COMMIT, &local->flags);
6901 rc = -EINPROGRESS; /* Call commit handler */
6902 }
6903 if(vwrq->flags & IW_RETRY_LIFETIME) {
Al Viro3eb9b412007-12-21 00:00:35 -05006904 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006905 set_bit (FLAG_COMMIT, &local->flags);
6906 rc = -EINPROGRESS; /* Call commit handler */
6907 }
6908 return rc;
6909}
6910
6911/*------------------------------------------------------------------*/
6912/*
6913 * Wireless Handler : get Retry limits
6914 */
6915static int airo_get_retry(struct net_device *dev,
6916 struct iw_request_info *info,
6917 struct iw_param *vwrq,
6918 char *extra)
6919{
Wang Chenfaf39942008-10-14 13:30:33 +08006920 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006921
6922 vwrq->disabled = 0; /* Can't be disabled */
6923
6924 readConfigRid(local, 1);
6925 /* Note : by default, display the min retry number */
6926 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6927 vwrq->flags = IW_RETRY_LIFETIME;
Al Viro3eb9b412007-12-21 00:00:35 -05006928 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006929 } else if((vwrq->flags & IW_RETRY_LONG)) {
6930 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
Al Viro3eb9b412007-12-21 00:00:35 -05006931 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006932 } else {
6933 vwrq->flags = IW_RETRY_LIMIT;
Al Viro3eb9b412007-12-21 00:00:35 -05006934 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6935 if(local->config.shortRetryLimit != local->config.longRetryLimit)
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07006936 vwrq->flags |= IW_RETRY_SHORT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006937 }
6938
6939 return 0;
6940}
6941
6942/*------------------------------------------------------------------*/
6943/*
6944 * Wireless Handler : get range info
6945 */
6946static int airo_get_range(struct net_device *dev,
6947 struct iw_request_info *info,
6948 struct iw_point *dwrq,
6949 char *extra)
6950{
Wang Chenfaf39942008-10-14 13:30:33 +08006951 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006952 struct iw_range *range = (struct iw_range *) extra;
6953 CapabilityRid cap_rid; /* Card capability info */
6954 int i;
6955 int k;
6956
6957 readCapabilityRid(local, &cap_rid, 1);
6958
6959 dwrq->length = sizeof(struct iw_range);
6960 memset(range, 0, sizeof(*range));
6961 range->min_nwid = 0x0000;
6962 range->max_nwid = 0x0000;
6963 range->num_channels = 14;
6964 /* Should be based on cap_rid.country to give only
6965 * what the current card support */
6966 k = 0;
6967 for(i = 0; i < 14; i++) {
6968 range->freq[k].i = i + 1; /* List index */
David Kilroy9ee677c2008-12-23 14:03:38 +00006969 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6970 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07006971 }
6972 range->num_frequency = k;
6973
Linus Torvalds1da177e2005-04-16 15:20:36 -07006974 range->sensitivity = 65535;
6975
Dan Williams41480af2005-05-10 09:45:51 -04006976 /* Hum... Should put the right values there */
6977 if (local->rssi)
6978 range->max_qual.qual = 100; /* % */
6979 else
6980 range->max_qual.qual = airo_get_max_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006981 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6982 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006983
6984 /* Experimental measurements - boundary 11/5.5 Mb/s */
6985 /* Note : with or without the (local->rssi), results
6986 * are somewhat different. - Jean II */
6987 if (local->rssi) {
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006988 range->avg_qual.qual = 50; /* % */
6989 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006990 } else {
6991 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006992 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006993 }
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07006994 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
Dan Williams41480af2005-05-10 09:45:51 -04006995
Linus Torvalds1da177e2005-04-16 15:20:36 -07006996 for(i = 0 ; i < 8 ; i++) {
6997 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6998 if(range->bitrate[i] == 0)
6999 break;
7000 }
7001 range->num_bitrates = i;
7002
7003 /* Set an indication of the max TCP throughput
7004 * in bit/s that we can expect using this interface.
7005 * May be use for QoS stuff... Jean II */
7006 if(i > 2)
7007 range->throughput = 5000 * 1000;
7008 else
7009 range->throughput = 1500 * 1000;
7010
7011 range->min_rts = 0;
Dan Williams15db2762006-03-16 13:46:27 -05007012 range->max_rts = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007013 range->min_frag = 256;
Dan Williams15db2762006-03-16 13:46:27 -05007014 range->max_frag = AIRO_DEF_MTU;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007015
Al Viro56d81bd2007-12-20 17:18:35 -05007016 if(cap_rid.softCap & cpu_to_le16(2)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007017 // WEP: RC4 40 bits
7018 range->encoding_size[0] = 5;
7019 // RC4 ~128 bits
Al Viro56d81bd2007-12-20 17:18:35 -05007020 if (cap_rid.softCap & cpu_to_le16(0x100)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007021 range->encoding_size[1] = 13;
7022 range->num_encoding_sizes = 2;
7023 } else
7024 range->num_encoding_sizes = 1;
Al Viro56d81bd2007-12-20 17:18:35 -05007025 range->max_encoding_tokens =
7026 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007027 } else {
7028 range->num_encoding_sizes = 0;
7029 range->max_encoding_tokens = 0;
7030 }
7031 range->min_pmp = 0;
7032 range->max_pmp = 5000000; /* 5 secs */
7033 range->min_pmt = 0;
7034 range->max_pmt = 65535 * 1024; /* ??? */
7035 range->pmp_flags = IW_POWER_PERIOD;
7036 range->pmt_flags = IW_POWER_TIMEOUT;
7037 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7038
7039 /* Transmit Power - values are in mW */
7040 for(i = 0 ; i < 8 ; i++) {
Al Viro56d81bd2007-12-20 17:18:35 -05007041 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007042 if(range->txpower[i] == 0)
7043 break;
7044 }
7045 range->num_txpower = i;
7046 range->txpower_capa = IW_TXPOW_MWATT;
Dan Williams3c304952006-04-15 12:26:18 -04007047 range->we_version_source = 19;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007048 range->we_version_compiled = WIRELESS_EXT;
7049 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7050 range->retry_flags = IW_RETRY_LIMIT;
7051 range->r_time_flags = IW_RETRY_LIFETIME;
7052 range->min_retry = 1;
7053 range->max_retry = 65535;
7054 range->min_r_time = 1024;
7055 range->max_r_time = 65535 * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007056
7057 /* Event capability (kernel + driver) */
7058 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7059 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7060 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7061 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7062 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7063 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7064 return 0;
7065}
7066
7067/*------------------------------------------------------------------*/
7068/*
7069 * Wireless Handler : set Power Management
7070 */
7071static int airo_set_power(struct net_device *dev,
7072 struct iw_request_info *info,
7073 struct iw_param *vwrq,
7074 char *extra)
7075{
Wang Chenfaf39942008-10-14 13:30:33 +08007076 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007077
7078 readConfigRid(local, 1);
7079 if (vwrq->disabled) {
Al Viro3eb9b412007-12-21 00:00:35 -05007080 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07007081 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007082 local->config.powerSaveMode = POWERSAVE_CAM;
Al Viro3eb9b412007-12-21 00:00:35 -05007083 local->config.rmode &= ~RXMODE_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007084 local->config.rmode |= RXMODE_BC_MC_ADDR;
7085 set_bit (FLAG_COMMIT, &local->flags);
7086 return -EINPROGRESS; /* Call commit handler */
7087 }
7088 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
Al Viro3eb9b412007-12-21 00:00:35 -05007089 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007090 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7091 set_bit (FLAG_COMMIT, &local->flags);
7092 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
Al Viro3eb9b412007-12-21 00:00:35 -05007093 local->config.fastListenInterval =
7094 local->config.listenInterval =
7095 cpu_to_le16((vwrq->value + 500) / 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007096 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7097 set_bit (FLAG_COMMIT, &local->flags);
7098 }
7099 switch (vwrq->flags & IW_POWER_MODE) {
7100 case IW_POWER_UNICAST_R:
Al Viro3eb9b412007-12-21 00:00:35 -05007101 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07007102 return -EINVAL;
Al Viro3eb9b412007-12-21 00:00:35 -05007103 local->config.rmode &= ~RXMODE_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007104 local->config.rmode |= RXMODE_ADDR;
7105 set_bit (FLAG_COMMIT, &local->flags);
7106 break;
7107 case IW_POWER_ALL_R:
Al Viro3eb9b412007-12-21 00:00:35 -05007108 if (sniffing_mode(local))
Linus Torvalds1da177e2005-04-16 15:20:36 -07007109 return -EINVAL;
Al Viro3eb9b412007-12-21 00:00:35 -05007110 local->config.rmode &= ~RXMODE_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007111 local->config.rmode |= RXMODE_BC_MC_ADDR;
7112 set_bit (FLAG_COMMIT, &local->flags);
7113 case IW_POWER_ON:
Jean Tourrilhes7f8544c2006-08-29 17:58:11 -07007114 /* This is broken, fixme ;-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007115 break;
7116 default:
7117 return -EINVAL;
7118 }
7119 // Note : we may want to factor local->need_commit here
7120 // Note2 : may also want to factor RXMODE_RFMON test
7121 return -EINPROGRESS; /* Call commit handler */
7122}
7123
7124/*------------------------------------------------------------------*/
7125/*
7126 * Wireless Handler : get Power Management
7127 */
7128static int airo_get_power(struct net_device *dev,
7129 struct iw_request_info *info,
7130 struct iw_param *vwrq,
7131 char *extra)
7132{
Wang Chenfaf39942008-10-14 13:30:33 +08007133 struct airo_info *local = dev->ml_priv;
Al Viro3eb9b412007-12-21 00:00:35 -05007134 __le16 mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007135
7136 readConfigRid(local, 1);
7137 mode = local->config.powerSaveMode;
7138 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7139 return 0;
7140 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
Al Viro3eb9b412007-12-21 00:00:35 -05007141 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007142 vwrq->flags = IW_POWER_TIMEOUT;
7143 } else {
Al Viro3eb9b412007-12-21 00:00:35 -05007144 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007145 vwrq->flags = IW_POWER_PERIOD;
7146 }
Al Viro3eb9b412007-12-21 00:00:35 -05007147 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007148 vwrq->flags |= IW_POWER_UNICAST_R;
7149 else
7150 vwrq->flags |= IW_POWER_ALL_R;
7151
7152 return 0;
7153}
7154
7155/*------------------------------------------------------------------*/
7156/*
7157 * Wireless Handler : set Sensitivity
7158 */
7159static int airo_set_sens(struct net_device *dev,
7160 struct iw_request_info *info,
7161 struct iw_param *vwrq,
7162 char *extra)
7163{
Wang Chenfaf39942008-10-14 13:30:33 +08007164 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007165
7166 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05007167 local->config.rssiThreshold =
7168 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007169 set_bit (FLAG_COMMIT, &local->flags);
7170
7171 return -EINPROGRESS; /* Call commit handler */
7172}
7173
7174/*------------------------------------------------------------------*/
7175/*
7176 * Wireless Handler : get Sensitivity
7177 */
7178static int airo_get_sens(struct net_device *dev,
7179 struct iw_request_info *info,
7180 struct iw_param *vwrq,
7181 char *extra)
7182{
Wang Chenfaf39942008-10-14 13:30:33 +08007183 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007184
7185 readConfigRid(local, 1);
Al Viro3eb9b412007-12-21 00:00:35 -05007186 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007187 vwrq->disabled = (vwrq->value == 0);
7188 vwrq->fixed = 1;
7189
7190 return 0;
7191}
7192
7193/*------------------------------------------------------------------*/
7194/*
7195 * Wireless Handler : get AP List
7196 * Note : this is deprecated in favor of IWSCAN
7197 */
7198static int airo_get_aplist(struct net_device *dev,
7199 struct iw_request_info *info,
7200 struct iw_point *dwrq,
7201 char *extra)
7202{
Wang Chenfaf39942008-10-14 13:30:33 +08007203 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007204 struct sockaddr *address = (struct sockaddr *) extra;
Frank Seidel998a5a72009-02-25 15:39:57 +01007205 struct iw_quality *qual;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007206 BSSListRid BSSList;
7207 int i;
7208 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7209
Frank Seidel998a5a72009-02-25 15:39:57 +01007210 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7211 if (!qual)
7212 return -ENOMEM;
7213
Linus Torvalds1da177e2005-04-16 15:20:36 -07007214 for (i = 0; i < IW_MAX_AP; i++) {
Al Viro17e70492007-12-19 18:56:37 -05007215 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007216 if (readBSSListRid(local, loseSync, &BSSList))
7217 break;
7218 loseSync = 0;
7219 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7220 address[i].sa_family = ARPHRD_ETHER;
Al Viro17e70492007-12-19 18:56:37 -05007221 dBm = le16_to_cpu(BSSList.dBm);
Dan Williams41480af2005-05-10 09:45:51 -04007222 if (local->rssi) {
Al Viro17e70492007-12-19 18:56:37 -05007223 qual[i].level = 0x100 - dBm;
7224 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007225 qual[i].updated = IW_QUAL_QUAL_UPDATED
7226 | IW_QUAL_LEVEL_UPDATED
7227 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007228 } else {
Al Viro17e70492007-12-19 18:56:37 -05007229 qual[i].level = (dBm + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007230 qual[i].qual = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007231 qual[i].updated = IW_QUAL_QUAL_INVALID
7232 | IW_QUAL_LEVEL_UPDATED
7233 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007234 }
7235 qual[i].noise = local->wstats.qual.noise;
Al Viro17e70492007-12-19 18:56:37 -05007236 if (BSSList.index == cpu_to_le16(0xffff))
Linus Torvalds1da177e2005-04-16 15:20:36 -07007237 break;
7238 }
7239 if (!i) {
7240 StatusRid status_rid; /* Card status info */
7241 readStatusRid(local, &status_rid, 1);
7242 for (i = 0;
7243 i < min(IW_MAX_AP, 4) &&
7244 (status_rid.bssid[i][0]
7245 & status_rid.bssid[i][1]
7246 & status_rid.bssid[i][2]
7247 & status_rid.bssid[i][3]
7248 & status_rid.bssid[i][4]
7249 & status_rid.bssid[i][5])!=0xff &&
7250 (status_rid.bssid[i][0]
7251 | status_rid.bssid[i][1]
7252 | status_rid.bssid[i][2]
7253 | status_rid.bssid[i][3]
7254 | status_rid.bssid[i][4]
7255 | status_rid.bssid[i][5]);
7256 i++) {
7257 memcpy(address[i].sa_data,
7258 status_rid.bssid[i], ETH_ALEN);
7259 address[i].sa_family = ARPHRD_ETHER;
7260 }
7261 } else {
7262 dwrq->flags = 1; /* Should be define'd */
7263 memcpy(extra + sizeof(struct sockaddr)*i,
7264 &qual, sizeof(struct iw_quality)*i);
7265 }
7266 dwrq->length = i;
7267
Frank Seidel998a5a72009-02-25 15:39:57 +01007268 kfree(qual);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007269 return 0;
7270}
7271
7272/*------------------------------------------------------------------*/
7273/*
7274 * Wireless Handler : Initiate Scan
7275 */
7276static int airo_set_scan(struct net_device *dev,
7277 struct iw_request_info *info,
David Kilroy9930cce2008-09-13 12:22:05 +01007278 struct iw_point *dwrq,
Linus Torvalds1da177e2005-04-16 15:20:36 -07007279 char *extra)
7280{
Wang Chenfaf39942008-10-14 13:30:33 +08007281 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007282 Cmd cmd;
7283 Resp rsp;
Dan Williams9e75af32006-03-16 13:46:29 -05007284 int wake = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007285
7286 /* Note : you may have realised that, as this is a SET operation,
7287 * this is privileged and therefore a normal user can't
7288 * perform scanning.
7289 * This is not an error, while the device perform scanning,
7290 * traffic doesn't flow, so it's a perfect DoS...
7291 * Jean II */
7292 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7293
Dan Williams9e75af32006-03-16 13:46:29 -05007294 if (down_interruptible(&ai->sem))
7295 return -ERESTARTSYS;
7296
7297 /* If there's already a scan in progress, don't
7298 * trigger another one. */
7299 if (ai->scan_timeout > 0)
7300 goto out;
7301
Linus Torvalds1da177e2005-04-16 15:20:36 -07007302 /* Initiate a scan command */
Dan Williams6fcdf562006-03-31 15:08:46 -05007303 ai->scan_timeout = RUN_AT(3*HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007304 memset(&cmd, 0, sizeof(cmd));
7305 cmd.cmd=CMD_LISTBSS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007306 issuecommand(ai, &cmd, &rsp);
Dan Williams9e75af32006-03-16 13:46:29 -05007307 wake = 1;
7308
7309out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07007310 up(&ai->sem);
Dan Williams9e75af32006-03-16 13:46:29 -05007311 if (wake)
7312 wake_up_interruptible(&ai->thr_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007313 return 0;
7314}
7315
7316/*------------------------------------------------------------------*/
7317/*
7318 * Translate scan data returned from the card to a card independent
7319 * format that the Wireless Tools will understand - Jean II
7320 */
7321static inline char *airo_translate_scan(struct net_device *dev,
David S. Millerccc58052008-06-16 18:50:49 -07007322 struct iw_request_info *info,
Linus Torvalds1da177e2005-04-16 15:20:36 -07007323 char *current_ev,
7324 char *end_buf,
Dan Williams41480af2005-05-10 09:45:51 -04007325 BSSListRid *bss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007326{
Wang Chenfaf39942008-10-14 13:30:33 +08007327 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007328 struct iw_event iwe; /* Temporary buffer */
Al Viro17e70492007-12-19 18:56:37 -05007329 __le16 capabilities;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007330 char * current_val; /* For rates */
7331 int i;
Dan Williams3c304952006-04-15 12:26:18 -04007332 char * buf;
Al Viro851b3e52007-12-19 19:20:12 -05007333 u16 dBm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007334
7335 /* First entry *MUST* be the AP MAC address */
7336 iwe.cmd = SIOCGIWAP;
7337 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
Dan Williams41480af2005-05-10 09:45:51 -04007338 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
David S. Millerccc58052008-06-16 18:50:49 -07007339 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7340 &iwe, IW_EV_ADDR_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007341
7342 /* Other entries will be displayed in the order we give them */
7343
7344 /* Add the ESSID */
Dan Williams41480af2005-05-10 09:45:51 -04007345 iwe.u.data.length = bss->ssidLen;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007346 if(iwe.u.data.length > 32)
7347 iwe.u.data.length = 32;
7348 iwe.cmd = SIOCGIWESSID;
7349 iwe.u.data.flags = 1;
David S. Millerccc58052008-06-16 18:50:49 -07007350 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7351 &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007352
7353 /* Add mode */
7354 iwe.cmd = SIOCGIWMODE;
Al Viro17e70492007-12-19 18:56:37 -05007355 capabilities = bss->cap;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007356 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7357 if(capabilities & CAP_ESS)
7358 iwe.u.mode = IW_MODE_MASTER;
7359 else
7360 iwe.u.mode = IW_MODE_ADHOC;
David S. Millerccc58052008-06-16 18:50:49 -07007361 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7362 &iwe, IW_EV_UINT_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007363 }
7364
7365 /* Add frequency */
7366 iwe.cmd = SIOCGIWFREQ;
Dan Williams41480af2005-05-10 09:45:51 -04007367 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
David Kilroy9ee677c2008-12-23 14:03:38 +00007368 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007369 iwe.u.freq.e = 1;
David S. Millerccc58052008-06-16 18:50:49 -07007370 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7371 &iwe, IW_EV_FREQ_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007372
Al Viro851b3e52007-12-19 19:20:12 -05007373 dBm = le16_to_cpu(bss->dBm);
7374
Linus Torvalds1da177e2005-04-16 15:20:36 -07007375 /* Add quality statistics */
7376 iwe.cmd = IWEVQUAL;
Dan Williams41480af2005-05-10 09:45:51 -04007377 if (ai->rssi) {
Al Viro851b3e52007-12-19 19:20:12 -05007378 iwe.u.qual.level = 0x100 - dBm;
7379 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007380 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7381 | IW_QUAL_LEVEL_UPDATED
7382 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007383 } else {
Al Viro851b3e52007-12-19 19:20:12 -05007384 iwe.u.qual.level = (dBm + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007385 iwe.u.qual.qual = 0;
Jeff Garzikbbeec902005-09-07 00:27:54 -04007386 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007387 | IW_QUAL_LEVEL_UPDATED
7388 | IW_QUAL_DBM;
Dan Williams41480af2005-05-10 09:45:51 -04007389 }
7390 iwe.u.qual.noise = ai->wstats.qual.noise;
David S. Millerccc58052008-06-16 18:50:49 -07007391 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7392 &iwe, IW_EV_QUAL_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007393
7394 /* Add encryption capability */
7395 iwe.cmd = SIOCGIWENCODE;
7396 if(capabilities & CAP_PRIVACY)
7397 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7398 else
7399 iwe.u.data.flags = IW_ENCODE_DISABLED;
7400 iwe.u.data.length = 0;
David S. Millerccc58052008-06-16 18:50:49 -07007401 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7402 &iwe, bss->ssid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007403
7404 /* Rate : stuffing multiple values in a single event require a bit
7405 * more of magic - Jean II */
David S. Millerccc58052008-06-16 18:50:49 -07007406 current_val = current_ev + iwe_stream_lcp_len(info);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007407
7408 iwe.cmd = SIOCGIWRATE;
7409 /* Those two flags are ignored... */
7410 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7411 /* Max 8 values */
7412 for(i = 0 ; i < 8 ; i++) {
7413 /* NULL terminated */
Dan Williams41480af2005-05-10 09:45:51 -04007414 if(bss->rates[i] == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007415 break;
7416 /* Bit rate given in 500 kb/s units (+ 0x80) */
Dan Williams41480af2005-05-10 09:45:51 -04007417 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007418 /* Add new value to event */
David S. Millerccc58052008-06-16 18:50:49 -07007419 current_val = iwe_stream_add_value(info, current_ev,
7420 current_val, end_buf,
7421 &iwe, IW_EV_PARAM_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007422 }
7423 /* Check if we added any event */
David S. Millerccc58052008-06-16 18:50:49 -07007424 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
Linus Torvalds1da177e2005-04-16 15:20:36 -07007425 current_ev = current_val;
7426
Dan Williams3c304952006-04-15 12:26:18 -04007427 /* Beacon interval */
7428 buf = kmalloc(30, GFP_KERNEL);
7429 if (buf) {
7430 iwe.cmd = IWEVCUSTOM;
7431 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7432 iwe.u.data.length = strlen(buf);
David S. Millerccc58052008-06-16 18:50:49 -07007433 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7434 &iwe, buf);
Dan Williams3c304952006-04-15 12:26:18 -04007435 kfree(buf);
7436 }
7437
7438 /* Put WPA/RSN Information Elements into the event stream */
7439 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7440 unsigned int num_null_ies = 0;
7441 u16 length = sizeof (bss->extra.iep);
Johannes Berg2c7060022008-10-30 22:09:54 +01007442 u8 *ie = (void *)&bss->extra.iep;
Dan Williams3c304952006-04-15 12:26:18 -04007443
Johannes Berg2c7060022008-10-30 22:09:54 +01007444 while ((length >= 2) && (num_null_ies < 2)) {
7445 if (2 + ie[1] > length) {
Dan Williams3c304952006-04-15 12:26:18 -04007446 /* Invalid element, don't continue parsing IE */
7447 break;
7448 }
7449
Johannes Berg2c7060022008-10-30 22:09:54 +01007450 switch (ie[0]) {
7451 case WLAN_EID_SSID:
Dan Williams3c304952006-04-15 12:26:18 -04007452 /* Two zero-length SSID elements
7453 * mean we're done parsing elements */
Johannes Berg2c7060022008-10-30 22:09:54 +01007454 if (!ie[1])
Dan Williams3c304952006-04-15 12:26:18 -04007455 num_null_ies++;
7456 break;
7457
Johannes Berg2c7060022008-10-30 22:09:54 +01007458 case WLAN_EID_GENERIC:
7459 if (ie[1] >= 4 &&
7460 ie[2] == 0x00 &&
7461 ie[3] == 0x50 &&
7462 ie[4] == 0xf2 &&
7463 ie[5] == 0x01) {
Dan Williams3c304952006-04-15 12:26:18 -04007464 iwe.cmd = IWEVGENIE;
Johannes Berg2c7060022008-10-30 22:09:54 +01007465 /* 64 is an arbitrary cut-off */
7466 iwe.u.data.length = min(ie[1] + 2,
7467 64);
David S. Millerccc58052008-06-16 18:50:49 -07007468 current_ev = iwe_stream_add_point(
7469 info, current_ev,
Johannes Berg2c7060022008-10-30 22:09:54 +01007470 end_buf, &iwe, ie);
Dan Williams3c304952006-04-15 12:26:18 -04007471 }
7472 break;
7473
Johannes Berg2c7060022008-10-30 22:09:54 +01007474 case WLAN_EID_RSN:
Dan Williams3c304952006-04-15 12:26:18 -04007475 iwe.cmd = IWEVGENIE;
Johannes Berg2c7060022008-10-30 22:09:54 +01007476 /* 64 is an arbitrary cut-off */
7477 iwe.u.data.length = min(ie[1] + 2, 64);
David S. Millerccc58052008-06-16 18:50:49 -07007478 current_ev = iwe_stream_add_point(
7479 info, current_ev, end_buf,
Johannes Berg2c7060022008-10-30 22:09:54 +01007480 &iwe, ie);
Dan Williams3c304952006-04-15 12:26:18 -04007481 break;
7482
7483 default:
7484 break;
7485 }
7486
Johannes Berg2c7060022008-10-30 22:09:54 +01007487 length -= 2 + ie[1];
7488 ie += 2 + ie[1];
Dan Williams3c304952006-04-15 12:26:18 -04007489 }
7490 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007491 return current_ev;
7492}
7493
7494/*------------------------------------------------------------------*/
7495/*
7496 * Wireless Handler : Read Scan Results
7497 */
7498static int airo_get_scan(struct net_device *dev,
7499 struct iw_request_info *info,
7500 struct iw_point *dwrq,
7501 char *extra)
7502{
Wang Chenfaf39942008-10-14 13:30:33 +08007503 struct airo_info *ai = dev->ml_priv;
Dan Williams9e75af32006-03-16 13:46:29 -05007504 BSSListElement *net;
7505 int err = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007506 char *current_ev = extra;
7507
Dan Williams9e75af32006-03-16 13:46:29 -05007508 /* If a scan is in-progress, return -EAGAIN */
7509 if (ai->scan_timeout > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007510 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007511
Dan Williams9e75af32006-03-16 13:46:29 -05007512 if (down_interruptible(&ai->sem))
7513 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007514
Dan Williams9e75af32006-03-16 13:46:29 -05007515 list_for_each_entry (net, &ai->network_list, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007516 /* Translate to WE format this entry */
David S. Millerccc58052008-06-16 18:50:49 -07007517 current_ev = airo_translate_scan(dev, info, current_ev,
Linus Torvalds1da177e2005-04-16 15:20:36 -07007518 extra + dwrq->length,
Dan Williams9e75af32006-03-16 13:46:29 -05007519 &net->bss);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007520
7521 /* Check if there is space for one more entry */
7522 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7523 /* Ask user space to try again with a bigger buffer */
Dan Williams9e75af32006-03-16 13:46:29 -05007524 err = -E2BIG;
7525 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007526 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007527 }
Dan Williams9e75af32006-03-16 13:46:29 -05007528
Linus Torvalds1da177e2005-04-16 15:20:36 -07007529 /* Length of data */
7530 dwrq->length = (current_ev - extra);
7531 dwrq->flags = 0; /* todo */
7532
Dan Williams9e75af32006-03-16 13:46:29 -05007533out:
7534 up(&ai->sem);
7535 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007536}
7537
7538/*------------------------------------------------------------------*/
7539/*
7540 * Commit handler : called after a bunch of SET operations
7541 */
7542static int airo_config_commit(struct net_device *dev,
7543 struct iw_request_info *info, /* NULL */
7544 void *zwrq, /* NULL */
7545 char *extra) /* NULL */
7546{
Wang Chenfaf39942008-10-14 13:30:33 +08007547 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007548
7549 if (!test_bit (FLAG_COMMIT, &local->flags))
7550 return 0;
7551
7552 /* Some of the "SET" function may have modified some of the
7553 * parameters. It's now time to commit them in the card */
7554 disable_MAC(local, 1);
7555 if (test_bit (FLAG_RESET, &local->flags)) {
7556 APListRid APList_rid;
7557 SsidRid SSID_rid;
7558
7559 readAPListRid(local, &APList_rid);
7560 readSsidRid(local, &SSID_rid);
7561 if (test_bit(FLAG_MPI,&local->flags))
7562 setup_card(local, dev->dev_addr, 1 );
7563 else
7564 reset_airo_card(dev);
7565 disable_MAC(local, 1);
7566 writeSsidRid(local, &SSID_rid, 1);
7567 writeAPListRid(local, &APList_rid, 1);
7568 }
7569 if (down_interruptible(&local->sem))
7570 return -ERESTARTSYS;
7571 writeConfigRid(local, 0);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007572 enable_MAC(local, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007573 if (test_bit (FLAG_RESET, &local->flags))
7574 airo_set_promisc(local);
7575 else
7576 up(&local->sem);
7577
7578 return 0;
7579}
7580
7581/*------------------------------------------------------------------*/
7582/*
7583 * Structures to export the Wireless Handlers
7584 */
7585
7586static const struct iw_priv_args airo_private_args[] = {
7587/*{ cmd, set_args, get_args, name } */
7588 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7589 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7590 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7591 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7592};
7593
7594static const iw_handler airo_handler[] =
7595{
7596 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7597 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7598 (iw_handler) NULL, /* SIOCSIWNWID */
7599 (iw_handler) NULL, /* SIOCGIWNWID */
7600 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7601 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7602 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7603 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7604 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7605 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7606 (iw_handler) NULL, /* SIOCSIWRANGE */
7607 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7608 (iw_handler) NULL, /* SIOCSIWPRIV */
7609 (iw_handler) NULL, /* SIOCGIWPRIV */
7610 (iw_handler) NULL, /* SIOCSIWSTATS */
7611 (iw_handler) NULL, /* SIOCGIWSTATS */
7612 iw_handler_set_spy, /* SIOCSIWSPY */
7613 iw_handler_get_spy, /* SIOCGIWSPY */
7614 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7615 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7616 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7617 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7618 (iw_handler) NULL, /* -- hole -- */
7619 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7620 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7621 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7622 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7623 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7624 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7625 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7626 (iw_handler) NULL, /* -- hole -- */
7627 (iw_handler) NULL, /* -- hole -- */
7628 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7629 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7630 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7631 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7632 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7633 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7634 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7635 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7636 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7637 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7638 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7639 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7640 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7641 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
Dan Williams4be757d2006-01-30 11:58:00 -05007642 (iw_handler) NULL, /* -- hole -- */
7643 (iw_handler) NULL, /* -- hole -- */
7644 (iw_handler) NULL, /* SIOCSIWGENIE */
7645 (iw_handler) NULL, /* SIOCGIWGENIE */
7646 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7647 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7648 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7649 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7650 (iw_handler) NULL, /* SIOCSIWPMKSA */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007651};
7652
7653/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7654 * We want to force the use of the ioctl code, because those can't be
7655 * won't work the iw_handler code (because they simultaneously read
7656 * and write data and iw_handler can't do that).
7657 * Note that it's perfectly legal to read/write on a single ioctl command,
7658 * you just can't use iwpriv and need to force it via the ioctl handler.
7659 * Jean II */
7660static const iw_handler airo_private_handler[] =
7661{
7662 NULL, /* SIOCIWFIRSTPRIV */
7663};
7664
7665static const struct iw_handler_def airo_handler_def =
7666{
Denis Chengff8ac602007-09-02 18:30:18 +08007667 .num_standard = ARRAY_SIZE(airo_handler),
7668 .num_private = ARRAY_SIZE(airo_private_handler),
7669 .num_private_args = ARRAY_SIZE(airo_private_args),
Linus Torvalds1da177e2005-04-16 15:20:36 -07007670 .standard = airo_handler,
7671 .private = airo_private_handler,
7672 .private_args = airo_private_args,
7673 .get_wireless_stats = airo_get_wireless_stats,
7674};
7675
Linus Torvalds1da177e2005-04-16 15:20:36 -07007676/*
7677 * This defines the configuration part of the Wireless Extensions
7678 * Note : irq and spinlock protection will occur in the subroutines
7679 *
7680 * TODO :
7681 * o Check input value more carefully and fill correct values in range
7682 * o Test and shakeout the bugs (if any)
7683 *
7684 * Jean II
7685 *
7686 * Javier Achirica did a great job of merging code from the unnamed CISCO
7687 * developer that added support for flashing the card.
7688 */
7689static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7690{
7691 int rc = 0;
Wang Chenfaf39942008-10-14 13:30:33 +08007692 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007693
Pavel Machekca078ba2005-09-03 15:56:57 -07007694 if (ai->power.event)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007695 return 0;
7696
7697 switch (cmd) {
7698#ifdef CISCO_EXT
7699 case AIROIDIFC:
7700#ifdef AIROOLDIDIFC
7701 case AIROOLDIDIFC:
7702#endif
7703 {
7704 int val = AIROMAGIC;
7705 aironet_ioctl com;
7706 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7707 rc = -EFAULT;
7708 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7709 rc = -EFAULT;
7710 }
7711 break;
7712
7713 case AIROIOCTL:
7714#ifdef AIROOLDIOCTL
7715 case AIROOLDIOCTL:
7716#endif
7717 /* Get the command struct and hand it off for evaluation by
7718 * the proper subfunction
7719 */
7720 {
7721 aironet_ioctl com;
7722 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7723 rc = -EFAULT;
7724 break;
7725 }
7726
7727 /* Separate R/W functions bracket legality here
7728 */
7729 if ( com.command == AIRORSWVERSION ) {
7730 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7731 rc = -EFAULT;
7732 else
7733 rc = 0;
7734 }
7735 else if ( com.command <= AIRORRID)
7736 rc = readrids(dev,&com);
7737 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7738 rc = writerids(dev,&com);
7739 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7740 rc = flashcard(dev,&com);
7741 else
7742 rc = -EINVAL; /* Bad command in ioctl */
7743 }
7744 break;
7745#endif /* CISCO_EXT */
7746
7747 // All other calls are currently unsupported
7748 default:
7749 rc = -EOPNOTSUPP;
7750 }
7751 return rc;
7752}
7753
Linus Torvalds1da177e2005-04-16 15:20:36 -07007754/*
7755 * Get the Wireless stats out of the driver
7756 * Note : irq and spinlock protection will occur in the subroutines
7757 *
7758 * TODO :
7759 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7760 *
7761 * Jean
7762 */
7763static void airo_read_wireless_stats(struct airo_info *local)
7764{
7765 StatusRid status_rid;
7766 StatsRid stats_rid;
7767 CapabilityRid cap_rid;
Al Viroa23ace52007-12-19 22:24:16 -05007768 __le32 *vals = stats_rid.vals;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007769
7770 /* Get stats out of the card */
Dan Williams3c304952006-04-15 12:26:18 -04007771 clear_bit(JOB_WSTATS, &local->jobs);
Pavel Machekca078ba2005-09-03 15:56:57 -07007772 if (local->power.event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007773 up(&local->sem);
7774 return;
7775 }
7776 readCapabilityRid(local, &cap_rid, 0);
7777 readStatusRid(local, &status_rid, 0);
7778 readStatsRid(local, &stats_rid, RID_STATS, 0);
7779 up(&local->sem);
7780
7781 /* The status */
Al Viro329e2c02007-12-20 22:58:57 -05007782 local->wstats.status = le16_to_cpu(status_rid.mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007783
Dan Williams41480af2005-05-10 09:45:51 -04007784 /* Signal quality and co */
7785 if (local->rssi) {
Al Viro329e2c02007-12-20 22:58:57 -05007786 local->wstats.qual.level =
7787 airo_rssi_to_dbm(local->rssi,
7788 le16_to_cpu(status_rid.sigQuality));
Dan Williams41480af2005-05-10 09:45:51 -04007789 /* normalizedSignalStrength appears to be a percentage */
Al Viro329e2c02007-12-20 22:58:57 -05007790 local->wstats.qual.qual =
7791 le16_to_cpu(status_rid.normalizedSignalStrength);
Dan Williams41480af2005-05-10 09:45:51 -04007792 } else {
Al Viro329e2c02007-12-20 22:58:57 -05007793 local->wstats.qual.level =
7794 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
Dan Williams41480af2005-05-10 09:45:51 -04007795 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7796 }
Al Viro329e2c02007-12-20 22:58:57 -05007797 if (le16_to_cpu(status_rid.len) >= 124) {
Dan Williams41480af2005-05-10 09:45:51 -04007798 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007799 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007800 } else {
7801 local->wstats.qual.noise = 0;
Jean Tourrilhesce6623c2005-09-02 11:45:10 -07007802 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 -07007803 }
7804
7805 /* Packets discarded in the wireless adapter due to wireless
7806 * specific problems */
Al Viroa23ace52007-12-19 22:24:16 -05007807 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7808 le32_to_cpu(vals[57]) +
7809 le32_to_cpu(vals[58]); /* SSID Mismatch */
7810 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7811 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7812 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7813 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7814 le32_to_cpu(vals[32]);
7815 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007816}
7817
Jouni Malinenff1d2762005-05-12 22:54:16 -04007818static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007819{
Wang Chenfaf39942008-10-14 13:30:33 +08007820 struct airo_info *local = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007821
Dan Williams3c304952006-04-15 12:26:18 -04007822 if (!test_bit(JOB_WSTATS, &local->jobs)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007823 /* Get stats out of the card if available */
7824 if (down_trylock(&local->sem) != 0) {
Dan Williams3c304952006-04-15 12:26:18 -04007825 set_bit(JOB_WSTATS, &local->jobs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007826 wake_up_interruptible(&local->thr_wait);
7827 } else
7828 airo_read_wireless_stats(local);
7829 }
7830
7831 return &local->wstats;
7832}
Linus Torvalds1da177e2005-04-16 15:20:36 -07007833
7834#ifdef CISCO_EXT
7835/*
7836 * This just translates from driver IOCTL codes to the command codes to
7837 * feed to the radio's host interface. Things can be added/deleted
7838 * as needed. This represents the READ side of control I/O to
7839 * the card
7840 */
7841static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7842 unsigned short ridcode;
7843 unsigned char *iobuf;
7844 int len;
Wang Chenfaf39942008-10-14 13:30:33 +08007845 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007846
7847 if (test_bit(FLAG_FLASHING, &ai->flags))
7848 return -EIO;
7849
7850 switch(comp->command)
7851 {
7852 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7853 case AIROGCFG: ridcode = RID_CONFIG;
7854 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7855 disable_MAC (ai, 1);
7856 writeConfigRid (ai, 1);
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007857 enable_MAC(ai, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007858 }
7859 break;
7860 case AIROGSLIST: ridcode = RID_SSID; break;
7861 case AIROGVLIST: ridcode = RID_APLIST; break;
7862 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7863 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7864 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7865 /* Only super-user can read WEP keys */
7866 if (!capable(CAP_NET_ADMIN))
7867 return -EPERM;
7868 break;
7869 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7870 /* Only super-user can read WEP keys */
7871 if (!capable(CAP_NET_ADMIN))
7872 return -EPERM;
7873 break;
7874 case AIROGSTAT: ridcode = RID_STATUS; break;
7875 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7876 case AIROGSTATSC32: ridcode = RID_STATS; break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007877 case AIROGMICSTATS:
7878 if (copy_to_user(comp->data, &ai->micstats,
7879 min((int)comp->len,(int)sizeof(ai->micstats))))
7880 return -EFAULT;
7881 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007882 case AIRORRID: ridcode = comp->ridnum; break;
7883 default:
7884 return -EINVAL;
7885 break;
7886 }
7887
7888 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7889 return -ENOMEM;
7890
7891 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7892 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7893 * then return it to the user
7894 * 9/22/2000 Honor user given length
7895 */
7896 len = comp->len;
7897
7898 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7899 kfree (iobuf);
7900 return -EFAULT;
7901 }
7902 kfree (iobuf);
7903 return 0;
7904}
7905
7906/*
7907 * Danger Will Robinson write the rids here
7908 */
7909
7910static int writerids(struct net_device *dev, aironet_ioctl *comp) {
Wang Chenfaf39942008-10-14 13:30:33 +08007911 struct airo_info *ai = dev->ml_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007912 int ridcode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007913 int enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007914 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7915 unsigned char *iobuf;
7916
7917 /* Only super-user can write RIDs */
7918 if (!capable(CAP_NET_ADMIN))
7919 return -EPERM;
7920
7921 if (test_bit(FLAG_FLASHING, &ai->flags))
7922 return -EIO;
7923
7924 ridcode = 0;
7925 writer = do_writerid;
7926
7927 switch(comp->command)
7928 {
7929 case AIROPSIDS: ridcode = RID_SSID; break;
7930 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7931 case AIROPAPLIST: ridcode = RID_APLIST; break;
7932 case AIROPCFG: ai->config.len = 0;
7933 clear_bit(FLAG_COMMIT, &ai->flags);
7934 ridcode = RID_CONFIG; break;
7935 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7936 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7937 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7938 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7939 break;
7940 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7941 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7942
7943 /* this is not really a rid but a command given to the card
7944 * same with MAC off
7945 */
7946 case AIROPMACON:
Michal Schmidt175ec1a2007-06-29 15:33:47 +02007947 if (enable_MAC(ai, 1) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007948 return -EIO;
7949 return 0;
7950
7951 /*
7952 * Evidently this code in the airo driver does not get a symbol
7953 * as disable_MAC. it's probably so short the compiler does not gen one.
7954 */
7955 case AIROPMACOFF:
7956 disable_MAC(ai, 1);
7957 return 0;
7958
7959 /* This command merely clears the counts does not actually store any data
7960 * only reads rid. But as it changes the cards state, I put it in the
7961 * writerid routines.
7962 */
7963 case AIROPSTCLR:
7964 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7965 return -ENOMEM;
7966
7967 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7968
Linus Torvalds1da177e2005-04-16 15:20:36 -07007969 enabled = ai->micstats.enabled;
7970 memset(&ai->micstats,0,sizeof(ai->micstats));
7971 ai->micstats.enabled = enabled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007972
7973 if (copy_to_user(comp->data, iobuf,
7974 min((int)comp->len, (int)RIDSIZE))) {
7975 kfree (iobuf);
7976 return -EFAULT;
7977 }
7978 kfree (iobuf);
7979 return 0;
7980
7981 default:
7982 return -EOPNOTSUPP; /* Blarg! */
7983 }
7984 if(comp->len > RIDSIZE)
7985 return -EINVAL;
7986
7987 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7988 return -ENOMEM;
7989
7990 if (copy_from_user(iobuf,comp->data,comp->len)) {
7991 kfree (iobuf);
7992 return -EFAULT;
7993 }
7994
7995 if (comp->command == AIROPCFG) {
7996 ConfigRid *cfg = (ConfigRid *)iobuf;
7997
7998 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
Al Viro3eb9b412007-12-21 00:00:35 -05007999 cfg->opmode |= MODE_MIC;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008000
Al Viro3eb9b412007-12-21 00:00:35 -05008001 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008002 set_bit (FLAG_ADHOC, &ai->flags);
8003 else
8004 clear_bit (FLAG_ADHOC, &ai->flags);
8005 }
8006
8007 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8008 kfree (iobuf);
8009 return -EIO;
8010 }
8011 kfree (iobuf);
8012 return 0;
8013}
8014
8015/*****************************************************************************
8016 * Ancillary flash / mod functions much black magic lurkes here *
8017 *****************************************************************************
8018 */
8019
8020/*
8021 * Flash command switch table
8022 */
8023
Jouni Malinenff1d2762005-05-12 22:54:16 -04008024static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008025 int z;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008026
8027 /* Only super-user can modify flash */
8028 if (!capable(CAP_NET_ADMIN))
8029 return -EPERM;
8030
8031 switch(comp->command)
8032 {
8033 case AIROFLSHRST:
Wang Chenfaf39942008-10-14 13:30:33 +08008034 return cmdreset((struct airo_info *)dev->ml_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008035
8036 case AIROFLSHSTFL:
Wang Chenfaf39942008-10-14 13:30:33 +08008037 if (!AIRO_FLASH(dev) &&
8038 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008039 return -ENOMEM;
Wang Chenfaf39942008-10-14 13:30:33 +08008040 return setflashmode((struct airo_info *)dev->ml_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008041
8042 case AIROFLSHGCHR: /* Get char from aux */
8043 if(comp->len != sizeof(int))
8044 return -EINVAL;
8045 if (copy_from_user(&z,comp->data,comp->len))
8046 return -EFAULT;
Wang Chenfaf39942008-10-14 13:30:33 +08008047 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008048
8049 case AIROFLSHPCHR: /* Send char to card. */
8050 if(comp->len != sizeof(int))
8051 return -EINVAL;
8052 if (copy_from_user(&z,comp->data,comp->len))
8053 return -EFAULT;
Wang Chenfaf39942008-10-14 13:30:33 +08008054 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008055
8056 case AIROFLPUTBUF: /* Send 32k to card */
Wang Chenfaf39942008-10-14 13:30:33 +08008057 if (!AIRO_FLASH(dev))
Linus Torvalds1da177e2005-04-16 15:20:36 -07008058 return -ENOMEM;
8059 if(comp->len > FLASHSIZE)
8060 return -EINVAL;
Wang Chenfaf39942008-10-14 13:30:33 +08008061 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
Linus Torvalds1da177e2005-04-16 15:20:36 -07008062 return -EFAULT;
8063
Wang Chenfaf39942008-10-14 13:30:33 +08008064 flashputbuf((struct airo_info *)dev->ml_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008065 return 0;
8066
8067 case AIRORESTART:
Wang Chenfaf39942008-10-14 13:30:33 +08008068 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
Linus Torvalds1da177e2005-04-16 15:20:36 -07008069 return -EIO;
8070 return 0;
8071 }
8072 return -EINVAL;
8073}
8074
8075#define FLASH_COMMAND 0x7e7e
8076
8077/*
8078 * STEP 1)
8079 * Disable MAC and do soft reset on
8080 * card.
8081 */
8082
Jouni Malinenff1d2762005-05-12 22:54:16 -04008083static int cmdreset(struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008084 disable_MAC(ai, 1);
8085
8086 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05008087 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008088 return -EBUSY;
8089 }
8090
8091 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8092
8093 ssleep(1); /* WAS 600 12/7/00 */
8094
8095 if(!waitbusy (ai)){
Dan Williams934d8bf2006-03-16 13:46:23 -05008096 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008097 return -EBUSY;
8098 }
8099 return 0;
8100}
8101
8102/* STEP 2)
8103 * Put the card in legendary flash
8104 * mode
8105 */
8106
Jouni Malinenff1d2762005-05-12 22:54:16 -04008107static int setflashmode (struct airo_info *ai) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008108 set_bit (FLAG_FLASHING, &ai->flags);
8109
8110 OUT4500(ai, SWS0, FLASH_COMMAND);
8111 OUT4500(ai, SWS1, FLASH_COMMAND);
8112 if (probe) {
8113 OUT4500(ai, SWS0, FLASH_COMMAND);
8114 OUT4500(ai, COMMAND,0x10);
8115 } else {
8116 OUT4500(ai, SWS2, FLASH_COMMAND);
8117 OUT4500(ai, SWS3, FLASH_COMMAND);
8118 OUT4500(ai, COMMAND,0);
8119 }
8120 msleep(500); /* 500ms delay */
8121
8122 if(!waitbusy(ai)) {
8123 clear_bit (FLAG_FLASHING, &ai->flags);
Dan Williams934d8bf2006-03-16 13:46:23 -05008124 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008125 return -EIO;
8126 }
8127 return 0;
8128}
8129
8130/* Put character to SWS0 wait for dwelltime
8131 * x 50us for echo .
8132 */
8133
Jouni Malinenff1d2762005-05-12 22:54:16 -04008134static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008135 int echo;
8136 int waittime;
8137
8138 byte |= 0x8000;
8139
8140 if(dwelltime == 0 )
8141 dwelltime = 200;
8142
8143 waittime=dwelltime;
8144
8145 /* Wait for busy bit d15 to go false indicating buffer empty */
8146 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8147 udelay (50);
8148 waittime -= 50;
8149 }
8150
8151 /* timeout for busy clear wait */
8152 if(waittime <= 0 ){
Dan Williams934d8bf2006-03-16 13:46:23 -05008153 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
Linus Torvalds1da177e2005-04-16 15:20:36 -07008154 return -EBUSY;
8155 }
8156
8157 /* Port is clear now write byte and wait for it to echo back */
8158 do {
8159 OUT4500(ai,SWS0,byte);
8160 udelay(50);
8161 dwelltime -= 50;
8162 echo = IN4500(ai,SWS1);
8163 } while (dwelltime >= 0 && echo != byte);
8164
8165 OUT4500(ai,SWS1,0);
8166
8167 return (echo == byte) ? 0 : -EIO;
8168}
8169
8170/*
8171 * Get a character from the card matching matchbyte
8172 * Step 3)
8173 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008174static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008175 int rchar;
8176 unsigned char rbyte=0;
8177
8178 do {
8179 rchar = IN4500(ai,SWS1);
8180
8181 if(dwelltime && !(0x8000 & rchar)){
8182 dwelltime -= 10;
8183 mdelay(10);
8184 continue;
8185 }
8186 rbyte = 0xff & rchar;
8187
8188 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8189 OUT4500(ai,SWS1,0);
8190 return 0;
8191 }
8192 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8193 break;
8194 OUT4500(ai,SWS1,0);
8195
8196 }while(dwelltime > 0);
8197 return -EIO;
8198}
8199
8200/*
8201 * Transfer 32k of firmware data from user buffer to our buffer and
8202 * send to the card
8203 */
8204
Jouni Malinenff1d2762005-05-12 22:54:16 -04008205static int flashputbuf(struct airo_info *ai){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008206 int nwords;
8207
8208 /* Write stuff */
8209 if (test_bit(FLAG_MPI,&ai->flags))
8210 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8211 else {
8212 OUT4500(ai,AUXPAGE,0x100);
8213 OUT4500(ai,AUXOFF,0);
8214
8215 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8216 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8217 }
8218 }
8219 OUT4500(ai,SWS0,0x8000);
8220
8221 return 0;
8222}
8223
8224/*
8225 *
8226 */
Jouni Malinenff1d2762005-05-12 22:54:16 -04008227static int flashrestart(struct airo_info *ai,struct net_device *dev){
Linus Torvalds1da177e2005-04-16 15:20:36 -07008228 int i,status;
8229
8230 ssleep(1); /* Added 12/7/00 */
8231 clear_bit (FLAG_FLASHING, &ai->flags);
8232 if (test_bit(FLAG_MPI, &ai->flags)) {
8233 status = mpi_init_descriptors(ai);
8234 if (status != SUCCESS)
8235 return status;
8236 }
8237 status = setup_card(ai, dev->dev_addr, 1);
8238
8239 if (!test_bit(FLAG_MPI,&ai->flags))
8240 for( i = 0; i < MAX_FIDS; i++ ) {
8241 ai->fids[i] = transmit_allocate
Dan Williams15db2762006-03-16 13:46:27 -05008242 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
Linus Torvalds1da177e2005-04-16 15:20:36 -07008243 }
8244
8245 ssleep(1); /* Added 12/7/00 */
8246 return status;
8247}
8248#endif /* CISCO_EXT */
8249
8250/*
8251 This program is free software; you can redistribute it and/or
8252 modify it under the terms of the GNU General Public License
8253 as published by the Free Software Foundation; either version 2
8254 of the License, or (at your option) any later version.
8255
8256 This program is distributed in the hope that it will be useful,
8257 but WITHOUT ANY WARRANTY; without even the implied warranty of
8258 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8259 GNU General Public License for more details.
8260
8261 In addition:
8262
8263 Redistribution and use in source and binary forms, with or without
8264 modification, are permitted provided that the following conditions
8265 are met:
8266
8267 1. Redistributions of source code must retain the above copyright
8268 notice, this list of conditions and the following disclaimer.
8269 2. Redistributions in binary form must reproduce the above copyright
8270 notice, this list of conditions and the following disclaimer in the
8271 documentation and/or other materials provided with the distribution.
8272 3. The name of the author may not be used to endorse or promote
8273 products derived from this software without specific prior written
8274 permission.
8275
8276 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8277 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8278 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8279 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8280 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8281 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8282 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8283 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8284 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8285 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8286 POSSIBILITY OF SUCH DAMAGE.
8287*/
8288
8289module_init(airo_init_module);
8290module_exit(airo_cleanup_module);