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/slab.h>
58 #include <linux/wireless.h>
59 #include <linux/netdevice.h>
61 #include <linux/delay.h>
62 #include <asm/byteorder.h>
63 #include <linux/usb.h>
64 #include <linux/bitops.h>
66 #include "p80211types.h"
67 #include "p80211hdr.h"
68 #include "p80211mgmt.h"
69 #include "p80211conv.h"
70 #include "p80211msg.h"
71 #include "p80211netdev.h"
72 #include "p80211metadef.h"
73 #include "p80211metastruct.h"
75 #include "prism2mgmt.h"
77 #define MIB_TMP_MAXLEN 200 /* Max length of RID record (in bytes). */
79 #define F_STA 0x1 /* MIB is supported on stations. */
80 #define F_READ 0x2 /* MIB may be read. */
81 #define F_WRITE 0x4 /* MIB may be written. */
83 typedef struct mibrec
{
89 int (*func
) (struct mibrec
* mib
,
91 wlandevice_t
* wlandev
,
93 p80211msg_dot11req_mibset_t
* msg
, void *data
);
96 static int prism2mib_bytearea2pstr(mibrec_t
* mib
,
98 wlandevice_t
* wlandev
,
100 p80211msg_dot11req_mibset_t
* msg
,
103 static int prism2mib_uint32(mibrec_t
* mib
,
105 wlandevice_t
* wlandev
,
107 p80211msg_dot11req_mibset_t
* msg
, void *data
);
109 static int prism2mib_flag(mibrec_t
* mib
,
111 wlandevice_t
* wlandev
,
113 p80211msg_dot11req_mibset_t
* msg
, void *data
);
115 static int prism2mib_wepdefaultkey(mibrec_t
* mib
,
117 wlandevice_t
* wlandev
,
119 p80211msg_dot11req_mibset_t
* msg
,
122 static int prism2mib_privacyinvoked(mibrec_t
* mib
,
124 wlandevice_t
* wlandev
,
126 p80211msg_dot11req_mibset_t
* msg
,
129 static int prism2mib_excludeunencrypted(mibrec_t
* mib
,
131 wlandevice_t
* wlandev
,
133 p80211msg_dot11req_mibset_t
* msg
,
136 static int prism2mib_fragmentationthreshold(mibrec_t
* mib
,
138 wlandevice_t
* wlandev
,
140 p80211msg_dot11req_mibset_t
* msg
,
143 static int prism2mib_priv(mibrec_t
* mib
,
145 wlandevice_t
* wlandev
,
147 p80211msg_dot11req_mibset_t
* msg
, void *data
);
149 static mibrec_t mibtab
[] = {
152 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0
,
154 HFA384x_RID_CNFWEPDEFAULTKEY0
, 0, 0,
155 prism2mib_wepdefaultkey
},
156 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1
,
158 HFA384x_RID_CNFWEPDEFAULTKEY1
, 0, 0,
159 prism2mib_wepdefaultkey
},
160 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2
,
162 HFA384x_RID_CNFWEPDEFAULTKEY2
, 0, 0,
163 prism2mib_wepdefaultkey
},
164 {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3
,
166 HFA384x_RID_CNFWEPDEFAULTKEY3
, 0, 0,
167 prism2mib_wepdefaultkey
},
168 {DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked
,
169 F_STA
| F_READ
| F_WRITE
,
170 HFA384x_RID_CNFWEPFLAGS
, HFA384x_WEPFLAGS_PRIVINVOKED
, 0,
171 prism2mib_privacyinvoked
},
172 {DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID
,
173 F_STA
| F_READ
| F_WRITE
,
174 HFA384x_RID_CNFWEPDEFAULTKEYID
, 0, 0,
176 {DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted
,
177 F_STA
| F_READ
| F_WRITE
,
178 HFA384x_RID_CNFWEPFLAGS
, HFA384x_WEPFLAGS_EXCLUDE
, 0,
179 prism2mib_excludeunencrypted
},
183 {DIDmib_dot11mac_dot11OperationTable_dot11MACAddress
,
184 F_STA
| F_READ
| F_WRITE
,
185 HFA384x_RID_CNFOWNMACADDR
, HFA384x_RID_CNFOWNMACADDR_LEN
, 0,
186 prism2mib_bytearea2pstr
},
187 {DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold
,
188 F_STA
| F_READ
| F_WRITE
,
189 HFA384x_RID_RTSTHRESH
, 0, 0,
191 {DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit
,
193 HFA384x_RID_SHORTRETRYLIMIT
, 0, 0,
195 {DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit
,
197 HFA384x_RID_LONGRETRYLIMIT
, 0, 0,
199 {DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold
,
200 F_STA
| F_READ
| F_WRITE
,
201 HFA384x_RID_FRAGTHRESH
, 0, 0,
202 prism2mib_fragmentationthreshold
},
203 {DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime
,
205 HFA384x_RID_MAXTXLIFETIME
, 0, 0,
210 {DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel
,
212 HFA384x_RID_CURRENTCHANNEL
, 0, 0,
214 {DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel
,
215 F_STA
| F_READ
| F_WRITE
,
216 HFA384x_RID_TXPOWERMAX
, 0, 0,
221 {DIDmib_p2_p2Static_p2CnfPortType
,
222 F_STA
| F_READ
| F_WRITE
,
223 HFA384x_RID_CNFPORTTYPE
, 0, 0,
228 {DIDmib_p2_p2MAC_p2CurrentTxRate
,
230 HFA384x_RID_CURRENTTXRATE
, 0, 0,
233 /* And finally, lnx mibs */
234 {DIDmib_lnx_lnxConfigTable_lnxRSNAIE
,
235 F_STA
| F_READ
| F_WRITE
,
236 HFA384x_RID_CNFWPADATA
, 0, 0,
238 {0, 0, 0, 0, 0, NULL
}
241 /*----------------------------------------------------------------
242 * prism2mgmt_mibset_mibget
244 * Set the value of a mib item.
247 * wlandev wlan device structure
248 * msgp ptr to msg buffer
252 * <0 success, but we're waiting for something to finish.
253 * >0 an error occurred while handling the message.
257 * process thread (usually)
259 ----------------------------------------------------------------*/
261 int prism2mgmt_mibset_mibget(wlandevice_t
* wlandev
, void *msgp
)
263 hfa384x_t
*hw
= wlandev
->priv
;
269 p80211msg_dot11req_mibset_t
*msg
= msgp
;
270 p80211itemd_t
*mibitem
;
272 msg
->resultcode
.status
= P80211ENUM_msgitem_status_data_ok
;
273 msg
->resultcode
.data
= P80211ENUM_resultcode_success
;
276 ** Determine if this is an Access Point or a station.
282 ** Find the MIB in the MIB table. Note that a MIB may be in the
283 ** table twice...once for an AP and once for a station. Make sure
284 ** to get the correct one. Note that DID=0 marks the end of the
288 mibitem
= (p80211itemd_t
*) msg
->mibattribute
.data
;
290 for (mib
= mibtab
; mib
->did
!= 0; mib
++)
291 if (mib
->did
== mibitem
->did
&& (mib
->flag
& which
))
295 msg
->resultcode
.data
= P80211ENUM_resultcode_not_supported
;
300 ** Determine if this is a "mibget" or a "mibset". If this is a
301 ** "mibget", then make sure that the MIB may be read. Otherwise,
302 ** this is a "mibset" so make make sure that the MIB may be written.
305 isget
= (msg
->msgcode
== DIDmsg_dot11req_mibget
);
308 if (!(mib
->flag
& F_READ
)) {
309 msg
->resultcode
.data
=
310 P80211ENUM_resultcode_cant_get_writeonly_mib
;
314 if (!(mib
->flag
& F_WRITE
)) {
315 msg
->resultcode
.data
=
316 P80211ENUM_resultcode_cant_set_readonly_mib
;
322 ** Execute the MIB function. If things worked okay, then make
323 ** sure that the MIB function also worked okay. If so, and this
324 ** is a "mibget", then the status value must be set for both the
325 ** "mibattribute" parameter and the mib item within the data
326 ** portion of the "mibattribute".
329 result
= mib
->func(mib
, isget
, wlandev
, hw
, msg
, (void *)mibitem
->data
);
331 if (msg
->resultcode
.data
== P80211ENUM_resultcode_success
) {
333 pr_debug("get/set failure, result=%d\n", result
);
334 msg
->resultcode
.data
=
335 P80211ENUM_resultcode_implementation_failure
;
338 msg
->mibattribute
.status
=
339 P80211ENUM_msgitem_status_data_ok
;
341 P80211ENUM_msgitem_status_data_ok
;
350 /*----------------------------------------------------------------
351 * prism2mib_bytearea2pstr
353 * Get/set pstr data to/from a byte area.
355 * MIB record parameters:
356 * parm1 Prism2 RID value.
357 * parm2 Number of bytes of RID data.
362 * isget MIBGET/MIBSET flag.
363 * wlandev wlan device structure.
364 * priv "priv" structure.
366 * msg Message structure.
373 ----------------------------------------------------------------*/
375 static int prism2mib_bytearea2pstr(mibrec_t
* mib
,
377 wlandevice_t
* wlandev
,
379 p80211msg_dot11req_mibset_t
* msg
,
383 p80211pstrd_t
*pstr
= (p80211pstrd_t
*) data
;
384 u8 bytebuf
[MIB_TMP_MAXLEN
];
388 hfa384x_drvr_getconfig(hw
, mib
->parm1
, bytebuf
, mib
->parm2
);
389 prism2mgmt_bytearea2pstr(bytebuf
, pstr
, mib
->parm2
);
391 memset(bytebuf
, 0, mib
->parm2
);
392 prism2mgmt_pstr2bytearea(bytebuf
, pstr
);
394 hfa384x_drvr_setconfig(hw
, mib
->parm1
, bytebuf
, mib
->parm2
);
400 /*----------------------------------------------------------------
403 * Get/set uint32 data.
405 * MIB record parameters:
406 * parm1 Prism2 RID value.
412 * isget MIBGET/MIBSET flag.
413 * wlandev wlan device structure.
414 * priv "priv" structure.
416 * msg Message structure.
423 ----------------------------------------------------------------*/
425 static int prism2mib_uint32(mibrec_t
* mib
,
427 wlandevice_t
* wlandev
,
429 p80211msg_dot11req_mibset_t
* msg
, void *data
)
432 u32
*uint32
= (u32
*) data
;
433 u8 bytebuf
[MIB_TMP_MAXLEN
];
434 u16
*wordbuf
= (u16
*) bytebuf
;
437 result
= hfa384x_drvr_getconfig16(hw
, mib
->parm1
, wordbuf
);
441 result
= hfa384x_drvr_setconfig16(hw
, mib
->parm1
, *wordbuf
);
447 /*----------------------------------------------------------------
452 * MIB record parameters:
453 * parm1 Prism2 RID value.
454 * parm2 Bit to get/set.
459 * isget MIBGET/MIBSET flag.
460 * wlandev wlan device structure.
461 * priv "priv" structure.
463 * msg Message structure.
470 ----------------------------------------------------------------*/
472 static int prism2mib_flag(mibrec_t
* mib
,
474 wlandevice_t
* wlandev
,
476 p80211msg_dot11req_mibset_t
* msg
, void *data
)
479 u32
*uint32
= (u32
*) data
;
480 u8 bytebuf
[MIB_TMP_MAXLEN
];
481 u16
*wordbuf
= (u16
*) bytebuf
;
484 result
= hfa384x_drvr_getconfig16(hw
, mib
->parm1
, wordbuf
);
488 *uint32
= (flags
& mib
->parm2
) ?
489 P80211ENUM_truth_true
: P80211ENUM_truth_false
;
491 if ((*uint32
) == P80211ENUM_truth_true
)
494 flags
&= ~mib
->parm2
;
497 hfa384x_drvr_setconfig16(hw
, mib
->parm1
, *wordbuf
);
504 /*----------------------------------------------------------------
505 * prism2mib_wepdefaultkey
507 * Get/set WEP default keys.
509 * MIB record parameters:
510 * parm1 Prism2 RID value.
511 * parm2 Number of bytes of RID data.
516 * isget MIBGET/MIBSET flag.
517 * wlandev wlan device structure.
518 * priv "priv" structure.
520 * msg Message structure.
527 ----------------------------------------------------------------*/
529 static int prism2mib_wepdefaultkey(mibrec_t
* mib
,
531 wlandevice_t
* wlandev
,
533 p80211msg_dot11req_mibset_t
* msg
,
537 p80211pstrd_t
*pstr
= (p80211pstrd_t
*) data
;
538 u8 bytebuf
[MIB_TMP_MAXLEN
];
542 result
= 0; /* Should never happen. */
544 len
= (pstr
->len
> 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN
:
545 HFA384x_RID_CNFWEPDEFAULTKEY_LEN
;
546 memset(bytebuf
, 0, len
);
547 prism2mgmt_pstr2bytearea(bytebuf
, pstr
);
548 result
= hfa384x_drvr_setconfig(hw
, mib
->parm1
, bytebuf
, len
);
554 /*----------------------------------------------------------------
555 * prism2mib_privacyinvoked
557 * Get/set the dot11PrivacyInvoked value.
559 * MIB record parameters:
560 * parm1 Prism2 RID value.
561 * parm2 Bit value for PrivacyInvoked flag.
566 * isget MIBGET/MIBSET flag.
567 * wlandev wlan device structure.
568 * priv "priv" structure.
570 * msg Message structure.
577 ----------------------------------------------------------------*/
579 static int prism2mib_privacyinvoked(mibrec_t
* mib
,
581 wlandevice_t
* wlandev
,
583 p80211msg_dot11req_mibset_t
* msg
,
588 if (wlandev
->hostwep
& HOSTWEP_DECRYPT
) {
589 if (wlandev
->hostwep
& HOSTWEP_DECRYPT
)
590 mib
->parm2
|= HFA384x_WEPFLAGS_DISABLE_RXCRYPT
;
591 if (wlandev
->hostwep
& HOSTWEP_ENCRYPT
)
592 mib
->parm2
|= HFA384x_WEPFLAGS_DISABLE_TXCRYPT
;
595 result
= prism2mib_flag(mib
, isget
, wlandev
, hw
, msg
, data
);
600 /*----------------------------------------------------------------
601 * prism2mib_excludeunencrypted
603 * Get/set the dot11ExcludeUnencrypted value.
605 * MIB record parameters:
606 * parm1 Prism2 RID value.
607 * parm2 Bit value for ExcludeUnencrypted flag.
612 * isget MIBGET/MIBSET flag.
613 * wlandev wlan device structure.
614 * priv "priv" structure.
616 * msg Message structure.
623 ----------------------------------------------------------------*/
625 static int prism2mib_excludeunencrypted(mibrec_t
* mib
,
627 wlandevice_t
* wlandev
,
629 p80211msg_dot11req_mibset_t
* msg
,
634 result
= prism2mib_flag(mib
, isget
, wlandev
, hw
, msg
, data
);
639 /*----------------------------------------------------------------
640 * prism2mib_fragmentationthreshold
642 * Get/set the fragmentation threshold.
644 * MIB record parameters:
645 * parm1 Prism2 RID value.
651 * isget MIBGET/MIBSET flag.
652 * wlandev wlan device structure.
653 * priv "priv" structure.
655 * msg Message structure.
662 ----------------------------------------------------------------*/
664 static int prism2mib_fragmentationthreshold(mibrec_t
* mib
,
666 wlandevice_t
* wlandev
,
668 p80211msg_dot11req_mibset_t
* msg
,
672 u32
*uint32
= (u32
*) data
;
676 printk(KERN_WARNING
"Attempt to set odd number "
677 "FragmentationThreshold\n");
678 msg
->resultcode
.data
=
679 P80211ENUM_resultcode_not_supported
;
683 result
= prism2mib_uint32(mib
, isget
, wlandev
, hw
, msg
, data
);
688 /*----------------------------------------------------------------
691 * Get/set values in the "priv" data structure.
693 * MIB record parameters:
700 * isget MIBGET/MIBSET flag.
701 * wlandev wlan device structure.
702 * priv "priv" structure.
704 * msg Message structure.
711 ----------------------------------------------------------------*/
713 static int prism2mib_priv(mibrec_t
* mib
,
715 wlandevice_t
* wlandev
,
717 p80211msg_dot11req_mibset_t
* msg
, void *data
)
719 p80211pstrd_t
*pstr
= (p80211pstrd_t
*) data
;
724 case DIDmib_lnx_lnxConfigTable_lnxRSNAIE
:{
725 hfa384x_WPAData_t wpa
;
727 hfa384x_drvr_getconfig(hw
,
728 HFA384x_RID_CNFWPADATA
,
731 pstr
->len
= le16_to_cpu(wpa
.datalen
);
732 memcpy(pstr
->data
, wpa
.data
, pstr
->len
);
734 wpa
.datalen
= cpu_to_le16(pstr
->len
);
735 memcpy(wpa
.data
, pstr
->data
, pstr
->len
);
738 hfa384x_drvr_setconfig(hw
,
739 HFA384x_RID_CNFWPADATA
,
746 printk(KERN_ERR
"Unhandled DID 0x%08x\n", mib
->did
);
752 /*----------------------------------------------------------------
753 * prism2mgmt_pstr2bytestr
755 * Convert the pstr data in the WLAN message structure into an hfa384x
756 * byte string format.
759 * bytestr hfa384x byte string data type
760 * pstr wlan message data
765 ----------------------------------------------------------------*/
767 void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t
* bytestr
, p80211pstrd_t
* pstr
)
769 bytestr
->len
= cpu_to_le16((u16
) (pstr
->len
));
770 memcpy(bytestr
->data
, pstr
->data
, pstr
->len
);
773 /*----------------------------------------------------------------
774 * prism2mgmt_pstr2bytearea
776 * Convert the pstr data in the WLAN message structure into an hfa384x
780 * bytearea hfa384x byte area data type
781 * pstr wlan message data
786 ----------------------------------------------------------------*/
788 void prism2mgmt_pstr2bytearea(u8
* bytearea
, p80211pstrd_t
* pstr
)
790 memcpy(bytearea
, pstr
->data
, pstr
->len
);
793 /*----------------------------------------------------------------
794 * prism2mgmt_bytestr2pstr
796 * Convert the data in an hfa384x byte string format into a
797 * pstr in the WLAN message.
800 * bytestr hfa384x byte string data type
806 ----------------------------------------------------------------*/
808 void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t
* bytestr
, p80211pstrd_t
* pstr
)
810 pstr
->len
= (u8
) (le16_to_cpu((u16
) (bytestr
->len
)));
811 memcpy(pstr
->data
, bytestr
->data
, pstr
->len
);
814 /*----------------------------------------------------------------
815 * prism2mgmt_bytearea2pstr
817 * Convert the data in an hfa384x byte area format into a pstr
818 * in the WLAN message.
821 * bytearea hfa384x byte area data type
827 ----------------------------------------------------------------*/
829 void prism2mgmt_bytearea2pstr(u8
* bytearea
, p80211pstrd_t
* pstr
, int len
)
831 pstr
->len
= (u8
) len
;
832 memcpy(pstr
->data
, bytearea
, len
);