xref: /drivers/staging/vt6656/datarate.h

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *
 * File: datarate.h
 *
 * Purpose: Handles the auto fallback & data rates functions
 *
 * Author: Lyndon Chen
 *
 * Date: July 16, 2002
 *
 */
#ifndef __DATARATE_H__
#define __DATARATE_H__

/*---------------------  Export Definitions -------------------------*/

#define FALLBACK_PKT_COLLECT_TR_H  50   // pkts
#define FALLBACK_PKT_COLLECT_TR_L  10   // pkts
#define FALLBACK_POLL_SECOND       5    // 5 sec
#define FALLBACK_RECOVER_SECOND    30   // 30 sec
#define FALLBACK_THRESHOLD         15   // percent
#define UPGRADE_THRESHOLD          5    // percent
#define UPGRADE_CNT_THRD           3    // times
#define RETRY_TIMES_THRD_H         2    // times
#define RETRY_TIMES_THRD_L         1    // times


#define RATE_1M         0
#define RATE_2M         1
#define RATE_5M         2
#define RATE_11M        3
#define RATE_6M         4
#define RATE_9M         5
#define RATE_12M        6
#define RATE_18M        7
#define RATE_24M        8
#define RATE_36M        9
#define RATE_48M       10
#define RATE_54M       11
#define RATE_AUTO      12
#define MAX_RATE       12

/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/


/*---------------------  Export Types  ------------------------------*/


/*---------------------  Export Functions  --------------------------*/



void
RATEvParseMaxRate(
     void *pDeviceHandler,
     PWLAN_IE_SUPP_RATES pItemRates,
     PWLAN_IE_SUPP_RATES pItemExtRates,
     BOOL bUpdateBasicRate,
     PWORD pwMaxBasicRate,
     PWORD pwMaxSuppRate,
     PWORD pwSuppRate,
     PBYTE pbyTopCCKRate,
     PBYTE pbyTopOFDMRate
    );

void
RATEvTxRateFallBack(
     void *pDeviceHandler,
     PKnownNodeDB psNodeDBTable
    );

BYTE
RATEuSetIE(
     PWLAN_IE_SUPP_RATES pSrcRates,
     PWLAN_IE_SUPP_RATES pDstRates,
     unsigned int                uRateLen
    );

WORD
RATEwGetRateIdx(
     BYTE byRate
    );


BYTE
DATARATEbyGetRateIdx(
     BYTE byRate
    );

#endif /* __DATARATE_H__ */