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/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
cmm_cfg.c
Abstract:
Ralink WiFi Driver configuration related subroutines
Revision History:
Who When What
--------- ---------- ----------------------------------------------
*/
#include "../rt_config.h"
char* GetPhyMode(
int Mode)
{
switch(Mode)
{
case MODE_CCK:
return "CCK";
case MODE_OFDM:
return "OFDM";
#ifdef DOT11_N_SUPPORT
case MODE_HTMIX:
return "HTMIX";
case MODE_HTGREENFIELD:
return "GREEN";
#endif // DOT11_N_SUPPORT //
default:
return "N/A";
}
}
char* GetBW(
int BW)
{
switch(BW)
{
case BW_10:
return "10M";
case BW_20:
return "20M";
#ifdef DOT11_N_SUPPORT
case BW_40:
return "40M";
#endif // DOT11_N_SUPPORT //
default:
return "N/A";
}
}
/*
==========================================================================
Description:
Set Country Region to pAd->CommonCfg.CountryRegion.
This command will not work, if the field of CountryRegion in eeprom is programmed.
Return:
TRUE if all parameters are OK, FALSE otherwise
==========================================================================
*/
INT RT_CfgSetCountryRegion(
IN PRTMP_ADAPTER pAd,
IN PSTRING arg,
IN INT band)
{
LONG region, regionMax;
UCHAR *pCountryRegion;
region = simple_strtol(arg, 0, 10);
if (band == BAND_24G)
{
pCountryRegion = &pAd->CommonCfg.CountryRegion;
regionMax = REGION_MAXIMUM_BG_BAND;
}
else
{
pCountryRegion = &pAd->CommonCfg.CountryRegionForABand;
regionMax = REGION_MAXIMUM_A_BAND;
}
// TODO: Is it neccesay for following check???
// Country can be set only when EEPROM not programmed
if (*pCountryRegion & 0x80)
{
DBGPRINT(RT_DEBUG_ERROR, ("CfgSetCountryRegion():CountryRegion in eeprom was programmed\n"));
return FALSE;
}
if((region >= 0) && (region <= REGION_MAXIMUM_BG_BAND))
{
*pCountryRegion= (UCHAR) region;
}
else if ((region == REGION_31_BG_BAND) && (band == BAND_24G))
{
*pCountryRegion = (UCHAR) region;
}
else
{
DBGPRINT(RT_DEBUG_ERROR, ("CfgSetCountryRegion():region(%ld) out of range!\n", region));
return FALSE;
}
return TRUE;
}
/*
==========================================================================
Description:
Set Wireless Mode
Return:
TRUE if all parameters are OK, FALSE otherwise
==========================================================================
*/
INT RT_CfgSetWirelessMode(
IN PRTMP_ADAPTER pAd,
IN PSTRING arg)
{
INT MaxPhyMode = PHY_11G;
LONG WirelessMode;
#ifdef DOT11_N_SUPPORT
MaxPhyMode = PHY_11N_5G;
#endif // DOT11_N_SUPPORT //
WirelessMode = simple_strtol(arg, 0, 10);
if (WirelessMode <= MaxPhyMode)
{
pAd->CommonCfg.PhyMode = WirelessMode;
pAd->CommonCfg.DesiredPhyMode = WirelessMode;
return TRUE;
}
return FALSE;
}
INT RT_CfgSetShortSlot(
IN PRTMP_ADAPTER pAd,
IN PSTRING arg)
{
LONG ShortSlot;
ShortSlot = simple_strtol(arg, 0, 10);
if (ShortSlot == 1)
pAd->CommonCfg.bUseShortSlotTime = TRUE;
else if (ShortSlot == 0)
pAd->CommonCfg.bUseShortSlotTime = FALSE;
else
return FALSE; //Invalid argument
return TRUE;
}
/*
==========================================================================
Description:
Set WEP KEY base on KeyIdx
Return:
TRUE if all parameters are OK, FALSE otherwise
==========================================================================
*/
INT RT_CfgSetWepKey(
IN PRTMP_ADAPTER pAd,
IN PSTRING keyString,
IN CIPHER_KEY *pSharedKey,
IN INT keyIdx)
{
INT KeyLen;
INT i;
UCHAR CipherAlg = CIPHER_NONE;
BOOLEAN bKeyIsHex = FALSE;
// TODO: Shall we do memset for the original key info??
memset(pSharedKey, 0, sizeof(CIPHER_KEY));
KeyLen = strlen(keyString);
switch (KeyLen)
{
case 5: //wep 40 Ascii type
case 13: //wep 104 Ascii type
bKeyIsHex = FALSE;
pSharedKey->KeyLen = KeyLen;
NdisMoveMemory(pSharedKey->Key, keyString, KeyLen);
break;
case 10: //wep 40 Hex type
case 26: //wep 104 Hex type
for(i=0; i < KeyLen; i++)
{
if( !isxdigit(*(keyString+i)) )
return FALSE; //Not Hex value;
}
bKeyIsHex = TRUE;
pSharedKey->KeyLen = KeyLen/2 ;
AtoH(keyString, pSharedKey->Key, pSharedKey->KeyLen);
break;
default: //Invalid argument
DBGPRINT(RT_DEBUG_TRACE, ("RT_CfgSetWepKey(keyIdx=%d):Invalid argument (arg=%s)\n", keyIdx, keyString));
return FALSE;
}
pSharedKey->CipherAlg = ((KeyLen % 5) ? CIPHER_WEP128 : CIPHER_WEP64);
DBGPRINT(RT_DEBUG_TRACE, ("RT_CfgSetWepKey:(KeyIdx=%d,type=%s, Alg=%s)\n",
keyIdx, (bKeyIsHex == FALSE ? "Ascii" : "Hex"), CipherName[CipherAlg]));
return TRUE;
}
/*
==========================================================================
Description:
Set WPA PSK key
Arguments:
pAdapter Pointer to our adapter
keyString WPA pre-shared key string
pHashStr String used for password hash function
hashStrLen Lenght of the hash string
pPMKBuf Output buffer of WPAPSK key
Return:
TRUE if all parameters are OK, FALSE otherwise
==========================================================================
*/
INT RT_CfgSetWPAPSKKey(
IN RTMP_ADAPTER *pAd,
IN PSTRING keyString,
IN UCHAR *pHashStr,
IN INT hashStrLen,
OUT PUCHAR pPMKBuf)
{
int keyLen;
UCHAR keyMaterial[40];
keyLen = strlen(keyString);
if ((keyLen < 8) || (keyLen > 64))
{
DBGPRINT(RT_DEBUG_TRACE, ("WPAPSK Key length(%d) error, required 8 ~ 64 characters!(keyStr=%s)\n",
keyLen, keyString));
return FALSE;
}
memset(pPMKBuf, 0, 32);
if (keyLen == 64)
{
AtoH(keyString, pPMKBuf, 32);
}
else
{
PasswordHash(keyString, pHashStr, hashStrLen, keyMaterial);
NdisMoveMemory(pPMKBuf, keyMaterial, 32);
}
return TRUE;
}
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