datarate.h

VIA VT6656 USB linux source code.

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This software is copyrighted by and is the sole property of
 * VIA Networking Technologies, Inc. This software may only be used
 * in accordance with the corresponding license agreement. Any unauthorized
 * use, duplication, transmission, distribution, or disclosure of this
 * software is expressly forbidden.
 *
 * This software is provided by VIA Networking Technologies, Inc. "as is"
 * and any express or implied warranties, including, but not limited to, the
 * implied warranties of merchantability and fitness for a particular purpose
 * are disclaimed. In no event shall VIA Networking Technologies, Inc.
 * be liable for any direct, indirect, incidental, special, exemplary, or
 * consequential damages.
 *
 *
 * 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(
    IN PVOID pDeviceHandler,    
    IN PWLAN_IE_SUPP_RATES pItemRates,
    IN PWLAN_IE_SUPP_RATES pItemExtRates,
    IN BOOL bUpdateBasicRate,    
    OUT PWORD pwMaxBasicRate,
    OUT PWORD pwMaxSuppRate,
    OUT PWORD pwSuppRate,    
    OUT PBYTE pbyTopCCKRate,
    OUT PBYTE pbyTopOFDMRate
    );

VOID
RATEvTxRateFallBack(
    IN PVOID pDeviceHandler,    
    IN PKnownNodeDB psNodeDBTable
    );

BYTE
RATEuSetIE(
    IN PWLAN_IE_SUPP_RATES pSrcRates,
    IN PWLAN_IE_SUPP_RATES pDstRates,
    IN UINT                uRateLen
    );
    
WORD
RATEwGetRateIdx(
    IN BYTE byRate
    );    
    

BYTE
DATARATEbyGetRateIdx(
    IN BYTE byRate
    );    
    

#endif //__DATARATE_H__