1 /* src/prism2/driver/prism2mib.c
3 * Management request for mibset/mibget
5 * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
6 * --------------------------------------------------------------------
10 * The contents of this file are subject to the Mozilla Public
11 * License Version 1.1 (the "License"); you may not use this file
12 * except in compliance with the License. You may obtain a copy of
13 * the License at http://www.mozilla.org/MPL/
15 * Software distributed under the License is distributed on an "AS
16 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 * implied. See the License for the specific language governing
18 * rights and limitations under the License.
20 * Alternatively, the contents of this file may be used under the
21 * terms of the GNU Public License version 2 (the "GPL"), in which
22 * case the provisions of the GPL are applicable instead of the
23 * above. If you wish to allow the use of your version of this file
24 * only under the terms of the GPL and not to allow others to use
25 * your version of this file under the MPL, indicate your decision
26 * by deleting the provisions above and replace them with the notice
27 * and other provisions required by the GPL. If you do not delete
28 * the provisions above, a recipient may use your version of this
29 * file under either the MPL or the GPL.
31 * --------------------------------------------------------------------
33 * Inquiries regarding the linux-wlan Open Source project can be
36 * AbsoluteValue Systems Inc.
38 * http://www.linux-wlan.com
40 * --------------------------------------------------------------------
42 * Portions of the development of this software were funded by
43 * Intersil Corporation as part of PRISM(R) chipset product development.
45 * --------------------------------------------------------------------
47 * The functions in this file handle the mibset/mibget management
50 * --------------------------------------------------------------------
53 #include <linux/module.h>
54 #include <linux/kernel.h>
55 #include <linux/sched.h>
56 #include <linux/types.h>
57 #include <linux/wireless.h>
58 #include <linux/netdevice.h>
60 #include <linux/delay.h>
61 #include <asm/byteorder.h>
62 #include <linux/usb.h>
63 #include <linux/bitops.h>
65 #include "p80211types.h"
66 #include "p80211hdr.h"
67 #include "p80211mgmt.h"
68 #include "p80211conv.h"
69 #include "p80211msg.h"
70 #include "p80211netdev.h"
71 #include "p80211metadef.h"
72 #include "p80211metastruct.h"
74 #include "prism2mgmt.h"
76 #define MIB_TMP_MAXLEN 200 /* Max length of RID record (in bytes). */
78 #define F_STA 0x1 /* MIB is supported on stations. */
79 #define F_READ 0x2 /* MIB may be read. */
80 #define F_WRITE 0x4 /* MIB may be written. */
88 int (*func
) (struct mibrec
*mib
,
90 wlandevice_t
*wlandev
,
92 struct p80211msg_dot11req_mibset
*msg
, void *data
);
95 static int prism2mib_bytearea2pstr(struct mibrec
*mib
,
97 wlandevice_t
*wlandev
,
99 struct p80211msg_dot11req_mibset
*msg
,
102 static int prism2mib_uint32(struct mibrec
*mib
,
104 wlandevice_t
*wlandev
,
106 struct p80211msg_dot11req_mibset
*msg
, void *data
);
108 static int prism2mib_flag(struct mibrec
*mib
,
110 wlandevice_t
*wlandev
,
112 struct p80211msg_dot11req_mibset
*msg
, void *data
);
114 static int prism2mib_wepdefaultkey(struct mibrec
*mib
,
116 wlandevice_t
*wlandev
,
118 struct p80211msg_dot11req_mibset
*msg
,
121 static int prism2mib_privacyinvoked(struct mibrec
*mib
,
123 wlandevice_t
*wlandev
,
125 struct p80211msg_dot11req_mibset
*msg
,
128 static int prism2mib_excludeunencrypted(struct mibrec
*mib
,
130 wlandevice_t
*wlandev
,
132 struct p80211msg_dot11req_mibset
*msg
,
135 static int prism2mib_fragmentationthreshold(struct mibrec
*mib
,
137 wlandevice_t
*wlandev
,
139 struct p80211msg_dot11req_mibset
*msg
,
142 static int prism2mib_priv(struct mibrec
*mib
,
144 wlandevice_t
*wlandev
,
146 struct p80211msg_dot11req_mibset
*msg
, void *data
);
148 static struct mibrec mibtab
[] = {
151 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0
,
153 HFA384x_RID_CNFWEPDEFAULTKEY0
, 0, 0,
154 prism2mib_wepdefaultkey
},
155 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1
,
157 HFA384x_RID_CNFWEPDEFAULTKEY1
, 0, 0,
158 prism2mib_wepdefaultkey
},
159 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2
,
161 HFA384x_RID_CNFWEPDEFAULTKEY2
, 0, 0,
162 prism2mib_wepdefaultkey
},
163 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3
,
165 HFA384x_RID_CNFWEPDEFAULTKEY3
, 0, 0,
166 prism2mib_wepdefaultkey
},
167 {DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked
,
168 F_STA
| F_READ
| F_WRITE
,
169 HFA384x_RID_CNFWEPFLAGS
, HFA384x_WEPFLAGS_PRIVINVOKED
, 0,
170 prism2mib_privacyinvoked
},
171 {DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID
,
172 F_STA
| F_READ
| F_WRITE
,
173 HFA384x_RID_CNFWEPDEFAULTKEYID
, 0, 0,
175 {DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted
,
176 F_STA
| F_READ
| F_WRITE
,
177 HFA384x_RID_CNFWEPFLAGS
, HFA384x_WEPFLAGS_EXCLUDE
, 0,
178 prism2mib_excludeunencrypted
},
182 {DIDmib_dot11mac_dot11OperationTable_dot11MACAddress
,
183 F_STA
| F_READ
| F_WRITE
,
184 HFA384x_RID_CNFOWNMACADDR
, HFA384x_RID_CNFOWNMACADDR_LEN
, 0,
185 prism2mib_bytearea2pstr
},
186 {DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold
,
187 F_STA
| F_READ
| F_WRITE
,
188 HFA384x_RID_RTSTHRESH
, 0, 0,
190 {DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit
,
192 HFA384x_RID_SHORTRETRYLIMIT
, 0, 0,
194 {DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit
,
196 HFA384x_RID_LONGRETRYLIMIT
, 0, 0,
198 {DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold
,
199 F_STA
| F_READ
| F_WRITE
,
200 HFA384x_RID_FRAGTHRESH
, 0, 0,
201 prism2mib_fragmentationthreshold
},
202 {DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime
,
204 HFA384x_RID_MAXTXLIFETIME
, 0, 0,
209 {DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel
,
211 HFA384x_RID_CURRENTCHANNEL
, 0, 0,
213 {DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel
,
214 F_STA
| F_READ
| F_WRITE
,
215 HFA384x_RID_TXPOWERMAX
, 0, 0,
220 {DIDmib_p2_p2Static_p2CnfPortType
,
221 F_STA
| F_READ
| F_WRITE
,
222 HFA384x_RID_CNFPORTTYPE
, 0, 0,
227 {DIDmib_p2_p2MAC_p2CurrentTxRate
,
229 HFA384x_RID_CURRENTTXRATE
, 0, 0,
232 /* And finally, lnx mibs */
233 {DIDmib_lnx_lnxConfigTable_lnxRSNAIE
,
234 F_STA
| F_READ
| F_WRITE
,
235 HFA384x_RID_CNFWPADATA
, 0, 0,
237 {0, 0, 0, 0, 0, NULL
}
240 /*----------------------------------------------------------------
241 * prism2mgmt_mibset_mibget
243 * Set the value of a mib item.
246 * wlandev wlan device structure
247 * msgp ptr to msg buffer
251 * <0 success, but we're waiting for something to finish.
252 * >0 an error occurred while handling the message.
256 * process thread (usually)
258 ----------------------------------------------------------------*/
260 int prism2mgmt_mibset_mibget(wlandevice_t
*wlandev
, void *msgp
)
262 hfa384x_t
*hw
= wlandev
->priv
;
268 struct p80211msg_dot11req_mibset
*msg
= msgp
;
269 p80211itemd_t
*mibitem
;
271 msg
->resultcode
.status
= P80211ENUM_msgitem_status_data_ok
;
272 msg
->resultcode
.data
= P80211ENUM_resultcode_success
;
275 ** Determine if this is an Access Point or a station.
281 ** Find the MIB in the MIB table. Note that a MIB may be in the
282 ** table twice...once for an AP and once for a station. Make sure
283 ** to get the correct one. Note that DID=0 marks the end of the
287 mibitem
= (p80211itemd_t
*) msg
->mibattribute
.data
;
289 for (mib
= mibtab
; mib
->did
!= 0; mib
++)
290 if (mib
->did
== mibitem
->did
&& (mib
->flag
& which
))
294 msg
->resultcode
.data
= P80211ENUM_resultcode_not_supported
;
299 ** Determine if this is a "mibget" or a "mibset". If this is a
300 ** "mibget", then make sure that the MIB may be read. Otherwise,
301 ** this is a "mibset" so make make sure that the MIB may be written.
304 isget
= (msg
->msgcode
== DIDmsg_dot11req_mibget
);
307 if (!(mib
->flag
& F_READ
)) {
308 msg
->resultcode
.data
=
309 P80211ENUM_resultcode_cant_get_writeonly_mib
;
313 if (!(mib
->flag
& F_WRITE
)) {
314 msg
->resultcode
.data
=
315 P80211ENUM_resultcode_cant_set_readonly_mib
;
321 ** Execute the MIB function. If things worked okay, then make
322 ** sure that the MIB function also worked okay. If so, and this
323 ** is a "mibget", then the status value must be set for both the
324 ** "mibattribute" parameter and the mib item within the data
325 ** portion of the "mibattribute".
328 result
= mib
->func(mib
, isget
, wlandev
, hw
, msg
, (void *)mibitem
->data
);
330 if (msg
->resultcode
.data
== P80211ENUM_resultcode_success
) {
332 pr_debug("get/set failure, result=%d\n", result
);
333 msg
->resultcode
.data
=
334 P80211ENUM_resultcode_implementation_failure
;
337 msg
->mibattribute
.status
=
338 P80211ENUM_msgitem_status_data_ok
;
340 P80211ENUM_msgitem_status_data_ok
;
349 /*----------------------------------------------------------------
350 * prism2mib_bytearea2pstr
352 * Get/set pstr data to/from a byte area.
354 * MIB record parameters:
355 * parm1 Prism2 RID value.
356 * parm2 Number of bytes of RID data.
361 * isget MIBGET/MIBSET flag.
362 * wlandev wlan device structure.
363 * priv "priv" structure.
365 * msg Message structure.
372 ----------------------------------------------------------------*/
374 static int prism2mib_bytearea2pstr(struct mibrec
*mib
,
376 wlandevice_t
*wlandev
,
378 struct p80211msg_dot11req_mibset
*msg
,
382 p80211pstrd_t
*pstr
= (p80211pstrd_t
*) data
;
383 u8 bytebuf
[MIB_TMP_MAXLEN
];
387 hfa384x_drvr_getconfig(hw
, mib
->parm1
, bytebuf
, mib
->parm2
);
388 prism2mgmt_bytearea2pstr(bytebuf
, pstr
, mib
->parm2
);
390 memset(bytebuf
, 0, mib
->parm2
);
391 prism2mgmt_pstr2bytearea(bytebuf
, pstr
);
393 hfa384x_drvr_setconfig(hw
, mib
->parm1
, bytebuf
, mib
->parm2
);
399 /*----------------------------------------------------------------
402 * Get/set uint32 data.
404 * MIB record parameters:
405 * parm1 Prism2 RID value.
411 * isget MIBGET/MIBSET flag.
412 * wlandev wlan device structure.
413 * priv "priv" structure.
415 * msg Message structure.
422 ----------------------------------------------------------------*/
424 static int prism2mib_uint32(struct mibrec
*mib
,
426 wlandevice_t
*wlandev
,
428 struct p80211msg_dot11req_mibset
*msg
, void *data
)
431 u32
*uint32
= (u32
*) data
;
432 u8 bytebuf
[MIB_TMP_MAXLEN
];
433 u16
*wordbuf
= (u16
*) bytebuf
;
436 result
= hfa384x_drvr_getconfig16(hw
, mib
->parm1
, wordbuf
);
440 result
= hfa384x_drvr_setconfig16(hw
, mib
->parm1
, *wordbuf
);
446 /*----------------------------------------------------------------
451 * MIB record parameters:
452 * parm1 Prism2 RID value.
453 * parm2 Bit to get/set.
458 * isget MIBGET/MIBSET flag.
459 * wlandev wlan device structure.
460 * priv "priv" structure.
462 * msg Message structure.
469 ----------------------------------------------------------------*/
471 static int prism2mib_flag(struct mibrec
*mib
,
473 wlandevice_t
*wlandev
,
475 struct p80211msg_dot11req_mibset
*msg
, void *data
)
478 u32
*uint32
= (u32
*) data
;
479 u8 bytebuf
[MIB_TMP_MAXLEN
];
480 u16
*wordbuf
= (u16
*) bytebuf
;
483 result
= hfa384x_drvr_getconfig16(hw
, mib
->parm1
, wordbuf
);
487 *uint32
= (flags
& mib
->parm2
) ?
488 P80211ENUM_truth_true
: P80211ENUM_truth_false
;
490 if ((*uint32
) == P80211ENUM_truth_true
)
493 flags
&= ~mib
->parm2
;
496 hfa384x_drvr_setconfig16(hw
, mib
->parm1
, *wordbuf
);
503 /*----------------------------------------------------------------
504 * prism2mib_wepdefaultkey
506 * Get/set WEP default keys.
508 * MIB record parameters:
509 * parm1 Prism2 RID value.
510 * parm2 Number of bytes of RID data.
515 * isget MIBGET/MIBSET flag.
516 * wlandev wlan device structure.
517 * priv "priv" structure.
519 * msg Message structure.
526 ----------------------------------------------------------------*/
528 static int prism2mib_wepdefaultkey(struct mibrec
*mib
,
530 wlandevice_t
*wlandev
,
532 struct p80211msg_dot11req_mibset
*msg
,
536 p80211pstrd_t
*pstr
= (p80211pstrd_t
*) data
;
537 u8 bytebuf
[MIB_TMP_MAXLEN
];
541 result
= 0; /* Should never happen. */
543 len
= (pstr
->len
> 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN
:
544 HFA384x_RID_CNFWEPDEFAULTKEY_LEN
;
545 memset(bytebuf
, 0, len
);
546 prism2mgmt_pstr2bytearea(bytebuf
, pstr
);
547 result
= hfa384x_drvr_setconfig(hw
, mib
->parm1
, bytebuf
, len
);
553 /*----------------------------------------------------------------
554 * prism2mib_privacyinvoked
556 * Get/set the dot11PrivacyInvoked value.
558 * MIB record parameters:
559 * parm1 Prism2 RID value.
560 * parm2 Bit value for PrivacyInvoked flag.
565 * isget MIBGET/MIBSET flag.
566 * wlandev wlan device structure.
567 * priv "priv" structure.
569 * msg Message structure.
576 ----------------------------------------------------------------*/
578 static int prism2mib_privacyinvoked(struct mibrec
*mib
,
580 wlandevice_t
*wlandev
,
582 struct p80211msg_dot11req_mibset
*msg
,
587 if (wlandev
->hostwep
& HOSTWEP_DECRYPT
) {
588 if (wlandev
->hostwep
& HOSTWEP_DECRYPT
)
589 mib
->parm2
|= HFA384x_WEPFLAGS_DISABLE_RXCRYPT
;
590 if (wlandev
->hostwep
& HOSTWEP_ENCRYPT
)
591 mib
->parm2
|= HFA384x_WEPFLAGS_DISABLE_TXCRYPT
;
594 result
= prism2mib_flag(mib
, isget
, wlandev
, hw
, msg
, data
);
599 /*----------------------------------------------------------------
600 * prism2mib_excludeunencrypted
602 * Get/set the dot11ExcludeUnencrypted value.
604 * MIB record parameters:
605 * parm1 Prism2 RID value.
606 * parm2 Bit value for ExcludeUnencrypted flag.
611 * isget MIBGET/MIBSET flag.
612 * wlandev wlan device structure.
613 * priv "priv" structure.
615 * msg Message structure.
622 ----------------------------------------------------------------*/
624 static int prism2mib_excludeunencrypted(struct mibrec
*mib
,
626 wlandevice_t
*wlandev
,
628 struct p80211msg_dot11req_mibset
*msg
,
633 result
= prism2mib_flag(mib
, isget
, wlandev
, hw
, msg
, data
);
638 /*----------------------------------------------------------------
639 * prism2mib_fragmentationthreshold
641 * Get/set the fragmentation threshold.
643 * MIB record parameters:
644 * parm1 Prism2 RID value.
650 * isget MIBGET/MIBSET flag.
651 * wlandev wlan device structure.
652 * priv "priv" structure.
654 * msg Message structure.
661 ----------------------------------------------------------------*/
663 static int prism2mib_fragmentationthreshold(struct mibrec
*mib
,
665 wlandevice_t
*wlandev
,
667 struct p80211msg_dot11req_mibset
*msg
,
671 u32
*uint32
= (u32
*) data
;
675 printk(KERN_WARNING
"Attempt to set odd number "
676 "FragmentationThreshold\n");
677 msg
->resultcode
.data
=
678 P80211ENUM_resultcode_not_supported
;
682 result
= prism2mib_uint32(mib
, isget
, wlandev
, hw
, msg
, data
);
687 /*----------------------------------------------------------------
690 * Get/set values in the "priv" data structure.
692 * MIB record parameters:
699 * isget MIBGET/MIBSET flag.
700 * wlandev wlan device structure.
701 * priv "priv" structure.
703 * msg Message structure.
710 ----------------------------------------------------------------*/
712 static int prism2mib_priv(struct mibrec
*mib
,
714 wlandevice_t
*wlandev
,
716 struct p80211msg_dot11req_mibset
*msg
, void *data
)
718 p80211pstrd_t
*pstr
= (p80211pstrd_t
*) data
;
723 case DIDmib_lnx_lnxConfigTable_lnxRSNAIE
:{
724 hfa384x_WPAData_t wpa
;
726 hfa384x_drvr_getconfig(hw
,
727 HFA384x_RID_CNFWPADATA
,
730 pstr
->len
= le16_to_cpu(wpa
.datalen
);
731 memcpy(pstr
->data
, wpa
.data
, pstr
->len
);
733 wpa
.datalen
= cpu_to_le16(pstr
->len
);
734 memcpy(wpa
.data
, pstr
->data
, pstr
->len
);
737 hfa384x_drvr_setconfig(hw
,
738 HFA384x_RID_CNFWPADATA
,
745 printk(KERN_ERR
"Unhandled DID 0x%08x\n", mib
->did
);
751 /*----------------------------------------------------------------
752 * prism2mgmt_pstr2bytestr
754 * Convert the pstr data in the WLAN message structure into an hfa384x
755 * byte string format.
758 * bytestr hfa384x byte string data type
759 * pstr wlan message data
764 ----------------------------------------------------------------*/
766 void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t
*bytestr
, p80211pstrd_t
*pstr
)
768 bytestr
->len
= cpu_to_le16((u16
) (pstr
->len
));
769 memcpy(bytestr
->data
, pstr
->data
, pstr
->len
);
772 /*----------------------------------------------------------------
773 * prism2mgmt_pstr2bytearea
775 * Convert the pstr data in the WLAN message structure into an hfa384x
779 * bytearea hfa384x byte area data type
780 * pstr wlan message data
785 ----------------------------------------------------------------*/
787 void prism2mgmt_pstr2bytearea(u8
*bytearea
, p80211pstrd_t
*pstr
)
789 memcpy(bytearea
, pstr
->data
, pstr
->len
);
792 /*----------------------------------------------------------------
793 * prism2mgmt_bytestr2pstr
795 * Convert the data in an hfa384x byte string format into a
796 * pstr in the WLAN message.
799 * bytestr hfa384x byte string data type
805 ----------------------------------------------------------------*/
807 void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t
*bytestr
, p80211pstrd_t
*pstr
)
809 pstr
->len
= (u8
) (le16_to_cpu((u16
) (bytestr
->len
)));
810 memcpy(pstr
->data
, bytestr
->data
, pstr
->len
);
813 /*----------------------------------------------------------------
814 * prism2mgmt_bytearea2pstr
816 * Convert the data in an hfa384x byte area format into a pstr
817 * in the WLAN message.
820 * bytearea hfa384x byte area data type
826 ----------------------------------------------------------------*/
828 void prism2mgmt_bytearea2pstr(u8
*bytearea
, p80211pstrd_t
*pstr
, int len
)
830 pstr
->len
= (u8
) len
;
831 memcpy(pstr
->data
, bytearea
, len
);