1. 根目录:
2. drivers
3. staging
4. vt6656
5. 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__

#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

void RATEvParseMaxRate(struct vnt_private *, PWLAN_IE_SUPP_RATES pItemRates,
	PWLAN_IE_SUPP_RATES pItemExtRates, int bUpdateBasicRate,
	u16 *pwMaxBasicRate, u16 *pwMaxSuppRate, u16 *pwSuppRate,
	u8 *pbyTopCCKRate, u8 *pbyTopOFDMRate);

void RATEvTxRateFallBack(struct vnt_private *pDevice,
	PKnownNodeDB psNodeDBTable);

u8
RATEuSetIE(
     PWLAN_IE_SUPP_RATES pSrcRates,
     PWLAN_IE_SUPP_RATES pDstRates,
     unsigned int                uRateLen
    );

u16
RATEwGetRateIdx(
     u8 byRate
    );

#endif /* __DATARATE_H__ */