dot11d.h

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/******************************************************************************
 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <[email protected]>
******************************************************************************/
#ifndef __INC_DOT11D_H
#define __INC_DOT11D_H

#include "rtllib.h"



struct chnl_txpow_triple {
    u8 FirstChnl;
    u8  NumChnls;
    u8  MaxTxPowerInDbm;
};

enum dot11d_state {
    DOT11D_STATE_NONE = 0,
    DOT11D_STATE_LEARNED,
    DOT11D_STATE_DONE,
};

struct rt_dot11d_info {

    bool bEnabled;

    u16 CountryIeLen;
    u8  CountryIeBuf[MAX_IE_LEN];
    u8  CountryIeSrcAddr[6];
    u8  CountryIeWatchdog;

    u8  channel_map[MAX_CHANNEL_NUMBER+1];
    u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];

    enum dot11d_state State;
};

static inline void cpMacAddr(unsigned char *des, unsigned char *src)
{
    memcpy(des, src, 6);
}

#define GET_DOT11D_INFO(__pIeeeDev)         \
     ((struct rt_dot11d_info *)((__pIeeeDev)->pDot11dInfo))

#define IS_DOT11D_ENABLE(__pIeeeDev)            \
     (GET_DOT11D_INFO(__pIeeeDev)->bEnabled)
#define IS_COUNTRY_IE_VALID(__pIeeeDev)         \
    (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)

#define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa)     \
     eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
#define UPDATE_CIE_SRC(__pIeeeDev, __pTa)       \
    cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)

#define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
    (((__Ie).Length == 0 || (__Ie).Length !=    \
    GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ?    \
    false : (!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, \
    (__Ie).Octet, (__Ie).Length)))

#define CIE_WATCHDOG_TH 1
#define GET_CIE_WATCHDOG(__pIeeeDev)                \
     (GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog)
#define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
#define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev))

#define IS_DOT11D_STATE_DONE(__pIeeeDev)            \
    (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)

void dot11d_init(struct rtllib_device *dev);
void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee);
void Dot11d_Reset(struct rtllib_device *dev);
void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr,
                u16 CoutryIeLen, u8 *pCoutryIe);
u8 DOT11D_GetMaxTxPwrInDbm(struct rtllib_device *dev, u8 Channel);
void DOT11D_ScanComplete(struct rtllib_device *dev);
int ToLegalChannel(struct rtllib_device *dev, u8 channel);

#endif