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linux-stable/drivers/staging/wlan-ng/prism2mib.c
Greg Kroah-Hartman b02957d58a Staging: Merge two branches of coding style fixes together 
Turns out that multiple people sent pretty much the same patch
for the same staging drivers.  Commit these in two different
branches and merge them together to get a more complete coverage
of the cleanup and properly credit everyone for the work that they
did.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-04 08:14:54 -08:00

833 lines
21 KiB
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/* src/prism2/driver/prism2mib.c
*
* Management request for mibset/mibget
*
* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
* --------------------------------------------------------------------
*
* linux-wlan
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License version 2 (the "GPL"), in which
* case the provisions of the GPL are applicable instead of the
* above. If you wish to allow the use of your version of this file
* only under the terms of the GPL and not to allow others to use
* your version of this file under the MPL, indicate your decision
* by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL. If you do not delete
* the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* --------------------------------------------------------------------
*
* Inquiries regarding the linux-wlan Open Source project can be
* made directly to:
*
* AbsoluteValue Systems Inc.
* info@linux-wlan.com
* http://www.linux-wlan.com
*
* --------------------------------------------------------------------
*
* Portions of the development of this software were funded by
* Intersil Corporation as part of PRISM(R) chipset product development.
*
* --------------------------------------------------------------------
*
* The functions in this file handle the mibset/mibget management
* functions.
*
* --------------------------------------------------------------------
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/wireless.h>
#include <linux/netdevice.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/usb.h>
#include <linux/bitops.h>
#include "p80211types.h"
#include "p80211hdr.h"
#include "p80211mgmt.h"
#include "p80211conv.h"
#include "p80211msg.h"
#include "p80211netdev.h"
#include "p80211metadef.h"
#include "p80211metastruct.h"
#include "hfa384x.h"
#include "prism2mgmt.h"
#define MIB_TMP_MAXLEN 200 /* Max length of RID record (in bytes). */
#define F_STA 0x1 /* MIB is supported on stations. */
#define F_READ 0x2 /* MIB may be read. */
#define F_WRITE 0x4 /* MIB may be written. */
typedef struct mibrec {
u32 did;
u16 flag;
u16 parm1;
u16 parm2;
u16 parm3;
int (*func) (struct mibrec *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data);
} mibrec_t;
static int prism2mib_bytearea2pstr(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data);
static int prism2mib_uint32(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data);
static int prism2mib_flag(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data);
static int prism2mib_wepdefaultkey(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data);
static int prism2mib_privacyinvoked(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data);
static int prism2mib_excludeunencrypted(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data);
static int prism2mib_fragmentationthreshold(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data);
static int prism2mib_priv(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data);
static mibrec_t mibtab[] = {
/* dot11smt MIB's */
{DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0,
F_STA | F_WRITE,
HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0,
prism2mib_wepdefaultkey},
{DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1,
F_STA | F_WRITE,
HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0,
prism2mib_wepdefaultkey},
{DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2,
F_STA | F_WRITE,
HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0,
prism2mib_wepdefaultkey},
{DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3,
F_STA | F_WRITE,
HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0,
prism2mib_wepdefaultkey},
{DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
F_STA | F_READ | F_WRITE,
HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_PRIVINVOKED, 0,
prism2mib_privacyinvoked},
{DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
F_STA | F_READ | F_WRITE,
HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0,
prism2mib_uint32},
{DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
F_STA | F_READ | F_WRITE,
HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_EXCLUDE, 0,
prism2mib_excludeunencrypted},
/* dot11mac MIB's */
{DIDmib_dot11mac_dot11OperationTable_dot11MACAddress,
F_STA | F_READ | F_WRITE,
HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0,
prism2mib_bytearea2pstr},
{DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
F_STA | F_READ | F_WRITE,
HFA384x_RID_RTSTHRESH, 0, 0,
prism2mib_uint32},
{DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit,
F_STA | F_READ,
HFA384x_RID_SHORTRETRYLIMIT, 0, 0,
prism2mib_uint32},
{DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit,
F_STA | F_READ,
HFA384x_RID_LONGRETRYLIMIT, 0, 0,
prism2mib_uint32},
{DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
F_STA | F_READ | F_WRITE,
HFA384x_RID_FRAGTHRESH, 0, 0,
prism2mib_fragmentationthreshold},
{DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime,
F_STA | F_READ,
HFA384x_RID_MAXTXLIFETIME, 0, 0,
prism2mib_uint32},
/* dot11phy MIB's */
{DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
F_STA | F_READ,
HFA384x_RID_CURRENTCHANNEL, 0, 0,
prism2mib_uint32},
{DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
F_STA | F_READ | F_WRITE,
HFA384x_RID_TXPOWERMAX, 0, 0,
prism2mib_uint32},
/* p2Static MIB's */
{DIDmib_p2_p2Static_p2CnfPortType,
F_STA | F_READ | F_WRITE,
HFA384x_RID_CNFPORTTYPE, 0, 0,
prism2mib_uint32},
/* p2MAC MIB's */
{DIDmib_p2_p2MAC_p2CurrentTxRate,
F_STA | F_READ,
HFA384x_RID_CURRENTTXRATE, 0, 0,
prism2mib_uint32},
/* And finally, lnx mibs */
{DIDmib_lnx_lnxConfigTable_lnxRSNAIE,
F_STA | F_READ | F_WRITE,
HFA384x_RID_CNFWPADATA, 0, 0,
prism2mib_priv},
{0, 0, 0, 0, 0, NULL}
};
/*----------------------------------------------------------------
* prism2mgmt_mibset_mibget
*
* Set the value of a mib item.
*
* Arguments:
* wlandev wlan device structure
* msgp ptr to msg buffer
*
* Returns:
* 0 success and done
* <0 success, but we're waiting for something to finish.
* >0 an error occurred while handling the message.
* Side effects:
*
* Call context:
* process thread (usually)
* interrupt
----------------------------------------------------------------*/
int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp)
{
hfa384x_t *hw = wlandev->priv;
int result, isget;
mibrec_t *mib;
u16 which;
p80211msg_dot11req_mibset_t *msg = msgp;
p80211itemd_t *mibitem;
msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
msg->resultcode.data = P80211ENUM_resultcode_success;
/*
** Determine if this is an Access Point or a station.
*/
which = F_STA;
/*
** Find the MIB in the MIB table. Note that a MIB may be in the
** table twice...once for an AP and once for a station. Make sure
** to get the correct one. Note that DID=0 marks the end of the
** MIB table.
*/
mibitem = (p80211itemd_t *) msg->mibattribute.data;
for (mib = mibtab; mib->did != 0; mib++)
if (mib->did == mibitem->did && (mib->flag & which))
break;
if (mib->did == 0) {
msg->resultcode.data = P80211ENUM_resultcode_not_supported;
goto done;
}
/*
** Determine if this is a "mibget" or a "mibset". If this is a
** "mibget", then make sure that the MIB may be read. Otherwise,
** this is a "mibset" so make make sure that the MIB may be written.
*/
isget = (msg->msgcode == DIDmsg_dot11req_mibget);
if (isget) {
if (!(mib->flag & F_READ)) {
msg->resultcode.data =
P80211ENUM_resultcode_cant_get_writeonly_mib;
goto done;
}
} else {
if (!(mib->flag & F_WRITE)) {
msg->resultcode.data =
P80211ENUM_resultcode_cant_set_readonly_mib;
goto done;
}
}
/*
** Execute the MIB function. If things worked okay, then make
** sure that the MIB function also worked okay. If so, and this
** is a "mibget", then the status value must be set for both the
** "mibattribute" parameter and the mib item within the data
** portion of the "mibattribute".
*/
result = mib->func(mib, isget, wlandev, hw, msg, (void *)mibitem->data);
if (msg->resultcode.data == P80211ENUM_resultcode_success) {
if (result != 0) {
pr_debug("get/set failure, result=%d\n", result);
msg->resultcode.data =
P80211ENUM_resultcode_implementation_failure;
} else {
if (isget) {
msg->mibattribute.status =
P80211ENUM_msgitem_status_data_ok;
mibitem->status =
P80211ENUM_msgitem_status_data_ok;
}
}
}
done:
return 0;
}
/*----------------------------------------------------------------
* prism2mib_bytearea2pstr
*
* Get/set pstr data to/from a byte area.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Number of bytes of RID data.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_bytearea2pstr(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data)
{
int result;
p80211pstrd_t *pstr = (p80211pstrd_t *) data;
u8 bytebuf[MIB_TMP_MAXLEN];
if (isget) {
result =
hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2);
prism2mgmt_bytearea2pstr(bytebuf, pstr, mib->parm2);
} else {
memset(bytebuf, 0, mib->parm2);
prism2mgmt_pstr2bytearea(bytebuf, pstr);
result =
hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2);
}
return result;
}
/*----------------------------------------------------------------
* prism2mib_uint32
*
* Get/set uint32 data.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Not used.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_uint32(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data)
{
int result;
u32 *uint32 = (u32 *) data;
u8 bytebuf[MIB_TMP_MAXLEN];
u16 *wordbuf = (u16 *) bytebuf;
if (isget) {
result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
*uint32 = *wordbuf;
} else {
*wordbuf = *uint32;
result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
}
return result;
}
/*----------------------------------------------------------------
* prism2mib_flag
*
* Get/set a flag.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Bit to get/set.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_flag(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data)
{
int result;
u32 *uint32 = (u32 *) data;
u8 bytebuf[MIB_TMP_MAXLEN];
u16 *wordbuf = (u16 *) bytebuf;
u32 flags;
result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
if (result == 0) {
flags = *wordbuf;
if (isget) {
*uint32 = (flags & mib->parm2) ?
P80211ENUM_truth_true : P80211ENUM_truth_false;
} else {
if ((*uint32) == P80211ENUM_truth_true)
flags |= mib->parm2;
else
flags &= ~mib->parm2;
*wordbuf = flags;
result =
hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
}
}
return result;
}
/*----------------------------------------------------------------
* prism2mib_wepdefaultkey
*
* Get/set WEP default keys.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Number of bytes of RID data.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_wepdefaultkey(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data)
{
int result;
p80211pstrd_t *pstr = (p80211pstrd_t *) data;
u8 bytebuf[MIB_TMP_MAXLEN];
u16 len;
if (isget) {
result = 0; /* Should never happen. */
} else {
len = (pstr->len > 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN :
HFA384x_RID_CNFWEPDEFAULTKEY_LEN;
memset(bytebuf, 0, len);
prism2mgmt_pstr2bytearea(bytebuf, pstr);
result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, len);
}
return result;
}
/*----------------------------------------------------------------
* prism2mib_privacyinvoked
*
* Get/set the dot11PrivacyInvoked value.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Bit value for PrivacyInvoked flag.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_privacyinvoked(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data)
{
int result;
if (wlandev->hostwep & HOSTWEP_DECRYPT) {
if (wlandev->hostwep & HOSTWEP_DECRYPT)
mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
if (wlandev->hostwep & HOSTWEP_ENCRYPT)
mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_TXCRYPT;
}
result = prism2mib_flag(mib, isget, wlandev, hw, msg, data);
return result;
}
/*----------------------------------------------------------------
* prism2mib_excludeunencrypted
*
* Get/set the dot11ExcludeUnencrypted value.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Bit value for ExcludeUnencrypted flag.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_excludeunencrypted(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data)
{
int result;
result = prism2mib_flag(mib, isget, wlandev, hw, msg, data);
return result;
}
/*----------------------------------------------------------------
* prism2mib_fragmentationthreshold
*
* Get/set the fragmentation threshold.
*
* MIB record parameters:
* parm1 Prism2 RID value.
* parm2 Not used.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_fragmentationthreshold(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg,
void *data)
{
int result;
u32 *uint32 = (u32 *) data;
if (!isget)
if ((*uint32) % 2) {
printk(KERN_WARNING "Attempt to set odd number "
"FragmentationThreshold\n");
msg->resultcode.data =
P80211ENUM_resultcode_not_supported;
return 0;
}
result = prism2mib_uint32(mib, isget, wlandev, hw, msg, data);
return result;
}
/*----------------------------------------------------------------
* prism2mib_priv
*
* Get/set values in the "priv" data structure.
*
* MIB record parameters:
* parm1 Not used.
* parm2 Not used.
* parm3 Not used.
*
* Arguments:
* mib MIB record.
* isget MIBGET/MIBSET flag.
* wlandev wlan device structure.
* priv "priv" structure.
* hw "hw" structure.
* msg Message structure.
* data Data buffer.
*
* Returns:
* 0 - Success.
* ~0 - Error.
*
----------------------------------------------------------------*/
static int prism2mib_priv(mibrec_t *mib,
int isget,
wlandevice_t *wlandev,
hfa384x_t *hw,
p80211msg_dot11req_mibset_t *msg, void *data)
{
p80211pstrd_t *pstr = (p80211pstrd_t *) data;
int result;
switch (mib->did) {
case DIDmib_lnx_lnxConfigTable_lnxRSNAIE:{
hfa384x_WPAData_t wpa;
if (isget) {
hfa384x_drvr_getconfig(hw,
HFA384x_RID_CNFWPADATA,
(u8 *) &wpa,
sizeof(wpa));
pstr->len = le16_to_cpu(wpa.datalen);
memcpy(pstr->data, wpa.data, pstr->len);
} else {
wpa.datalen = cpu_to_le16(pstr->len);
memcpy(wpa.data, pstr->data, pstr->len);
result =
hfa384x_drvr_setconfig(hw,
HFA384x_RID_CNFWPADATA,
(u8 *) &wpa,
sizeof(wpa));
}
break;
}
default:
printk(KERN_ERR "Unhandled DID 0x%08x\n", mib->did);
}
return 0;
}
/*----------------------------------------------------------------
* prism2mgmt_pstr2bytestr
*
* Convert the pstr data in the WLAN message structure into an hfa384x
* byte string format.
*
* Arguments:
* bytestr hfa384x byte string data type
* pstr wlan message data
*
* Returns:
* Nothing
*
----------------------------------------------------------------*/
void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr)
{
bytestr->len = cpu_to_le16((u16) (pstr->len));
memcpy(bytestr->data, pstr->data, pstr->len);
}
/*----------------------------------------------------------------
* prism2mgmt_pstr2bytearea
*
* Convert the pstr data in the WLAN message structure into an hfa384x
* byte area format.
*
* Arguments:
* bytearea hfa384x byte area data type
* pstr wlan message data
*
* Returns:
* Nothing
*
----------------------------------------------------------------*/
void prism2mgmt_pstr2bytearea(u8 *bytearea, p80211pstrd_t *pstr)
{
memcpy(bytearea, pstr->data, pstr->len);
}
/*----------------------------------------------------------------
* prism2mgmt_bytestr2pstr
*
* Convert the data in an hfa384x byte string format into a
* pstr in the WLAN message.
*
* Arguments:
* bytestr hfa384x byte string data type
* msg wlan message
*
* Returns:
* Nothing
*
----------------------------------------------------------------*/
void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr)
{
pstr->len = (u8) (le16_to_cpu((u16) (bytestr->len)));
memcpy(pstr->data, bytestr->data, pstr->len);
}
/*----------------------------------------------------------------
* prism2mgmt_bytearea2pstr
*
* Convert the data in an hfa384x byte area format into a pstr
* in the WLAN message.
*
* Arguments:
* bytearea hfa384x byte area data type
* msg wlan message
*
* Returns:
* Nothing
*
----------------------------------------------------------------*/
void prism2mgmt_bytearea2pstr(u8 *bytearea, p80211pstrd_t *pstr, int len)
{
pstr->len = (u8) len;
memcpy(pstr->data, bytearea, len);
}
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