// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
/* 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/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. */

struct mibrec {
        u32 did;
        u16 flag;
        u16 parm1;
        u16 parm2;
        u16 parm3;
        int (*func)(struct mibrec *mib,
                     int isget,
                     struct wlandevice *wlandev,
                     struct hfa384x *hw,
                     struct p80211msg_dot11req_mibset *msg, void *data);
};

static int prism2mib_bytearea2pstr(struct mibrec *mib,
                                   int isget,
                                   struct wlandevice *wlandev,
                                   struct hfa384x *hw,
                                   struct p80211msg_dot11req_mibset *msg,
                                   void *data);

static int prism2mib_uint32(struct mibrec *mib,
                            int isget,
                            struct wlandevice *wlandev,
                            struct hfa384x *hw,
                            struct p80211msg_dot11req_mibset *msg, void *data);

static int prism2mib_flag(struct mibrec *mib,
                          int isget,
                          struct wlandevice *wlandev,
                          struct hfa384x *hw,
                          struct p80211msg_dot11req_mibset *msg, void *data);

static int prism2mib_wepdefaultkey(struct mibrec *mib,
                                   int isget,
                                   struct wlandevice *wlandev,
                                   struct hfa384x *hw,
                                   struct p80211msg_dot11req_mibset *msg,
                                   void *data);

static int prism2mib_privacyinvoked(struct mibrec *mib,
                                    int isget,
                                    struct wlandevice *wlandev,
                                    struct hfa384x *hw,
                                    struct p80211msg_dot11req_mibset *msg,
                                    void *data);

static int prism2mib_excludeunencrypted(struct mibrec *mib,
                                        int isget,
                                        struct wlandevice *wlandev,
                                        struct hfa384x *hw,
                                        struct p80211msg_dot11req_mibset *msg,
                                        void *data);

static int prism2mib_fragmentationthreshold(struct mibrec *mib,
                                            int isget,
                                            struct wlandevice *wlandev,
                                            struct hfa384x *hw,
                                            struct p80211msg_dot11req_mibset *msg,
                                            void *data);

static int prism2mib_priv(struct mibrec *mib,
                          int isget,
                          struct wlandevice *wlandev,
                          struct hfa384x *hw,
                          struct p80211msg_dot11req_mibset *msg, void *data);

static struct mibrec mibtab[] = {
        /* dot11smt MIB's */
        {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(1),
         F_STA | F_WRITE,
         HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0,
         prism2mib_wepdefaultkey},
        {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(2),
         F_STA | F_WRITE,
         HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0,
         prism2mib_wepdefaultkey},
        {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(3),
         F_STA | F_WRITE,
         HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0,
         prism2mib_wepdefaultkey},
        {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(4),
         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(struct wlandevice *wlandev, void *msgp)
{
        struct hfa384x *hw = wlandev->priv;
        int result, isget;
        struct mibrec *mib;

        u16 which;

        struct p80211msg_dot11req_mibset *msg = msgp;
        struct p80211itemd *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 = (struct p80211itemd *)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(struct mibrec *mib,
                                   int isget,
                                   struct wlandevice *wlandev,
                                   struct hfa384x *hw,
                                   struct p80211msg_dot11req_mibset *msg,
                                   void *data)
{
        int result;
        struct p80211pstrd *pstr = 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);
                memcpy(bytebuf, pstr->data, pstr->len);
                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(struct mibrec *mib,
                            int isget,
                            struct wlandevice *wlandev,
                            struct hfa384x *hw,
                            struct p80211msg_dot11req_mibset *msg, void *data)
{
        int result;
        u32 *uint32 = 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(struct mibrec *mib,
                          int isget,
                          struct wlandevice *wlandev,
                          struct hfa384x *hw,
                          struct p80211msg_dot11req_mibset *msg, void *data)
{
        int result;
        u32 *uint32 = 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(struct mibrec *mib,
                                   int isget,
                                   struct wlandevice *wlandev,
                                   struct hfa384x *hw,
                                   struct p80211msg_dot11req_mibset *msg,
                                   void *data)
{
        int result;
        struct p80211pstrd *pstr = 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);
                memcpy(bytebuf, pstr->data, pstr->len);
                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(struct mibrec *mib,
                                    int isget,
                                    struct wlandevice *wlandev,
                                    struct hfa384x *hw,
                                    struct p80211msg_dot11req_mibset *msg,
                                    void *data)
{
        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;
        }

        return prism2mib_flag(mib, isget, wlandev, hw, msg, data);
}

/*
 * 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(struct mibrec *mib,
                                        int isget,
                                        struct wlandevice *wlandev,
                                        struct hfa384x *hw,
                                        struct p80211msg_dot11req_mibset *msg,
                                        void *data)
{
        return prism2mib_flag(mib, isget, wlandev, hw, msg, data);
}

/*
 * 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(struct mibrec *mib,
                                            int isget,
                                            struct wlandevice *wlandev,
                                            struct hfa384x *hw,
                                            struct p80211msg_dot11req_mibset *msg,
                                            void *data)
{
        u32 *uint32 = data;

        if (!isget)
                if ((*uint32) % 2) {
                        netdev_warn(wlandev->netdev,
                                    "Attempt to set odd number FragmentationThreshold\n");
                        msg->resultcode.data =
                            P80211ENUM_resultcode_not_supported;
                        return 0;
                }

        return prism2mib_uint32(mib, isget, wlandev, hw, msg, data);
}

/*
 * 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(struct mibrec *mib,
                          int isget,
                          struct wlandevice *wlandev,
                          struct hfa384x *hw,
                          struct p80211msg_dot11req_mibset *msg, void *data)
{
        struct p80211pstrd *pstr = data;

        switch (mib->did) {
        case DIDmib_lnx_lnxConfigTable_lnxRSNAIE:{
                        struct hfa384x_wpa_data 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);

                                hfa384x_drvr_setconfig(hw,
                                                       HFA384x_RID_CNFWPADATA,
                                                       (u8 *)&wpa,
                                                       sizeof(wpa));
                        }
                        break;
                }
        default:
                netdev_err(wlandev->netdev, "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(struct hfa384x_bytestr *bytestr,
                             struct p80211pstrd *pstr)
{
        bytestr->len = cpu_to_le16((u16)(pstr->len));
        memcpy(bytestr->data, 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(struct hfa384x_bytestr *bytestr,
                             struct p80211pstrd *pstr)
{
        pstr->len = (u8)(le16_to_cpu(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, struct p80211pstrd *pstr, int len)
{
        pstr->len = (u8)len;
        memcpy(pstr->data, bytearea, len);
}