drivers/staging/vt6655/datarate.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *
  20  * File: datarate.h
  21  *
  22  * Purpose: Handles the auto fallback & data rates functions
  23  *
  24  * Author: Lyndon Chen
  25  *
  26  * Date: July 16, 2002
  27  *
  28  */
  29 #ifndef __DATARATE_H__
  30 #define __DATARATE_H__
  31
  32 /*---------------------  Export Definitions -------------------------*/
  33
  34 #define FALLBACK_PKT_COLLECT_TR_H  50   // pkts
  35 #define FALLBACK_PKT_COLLECT_TR_L  10   // pkts
  36 #define FALLBACK_POLL_SECOND       5    // 5 sec
  37 #define FALLBACK_RECOVER_SECOND    30   // 30 sec
  38 #define FALLBACK_THRESHOLD         15   // percent
  39 #define UPGRADE_THRESHOLD          5    // percent
  40 #define UPGRADE_CNT_THRD           3    // times
  41 #define RETRY_TIMES_THRD_H         2    // times
  42 #define RETRY_TIMES_THRD_L         1    // times
  43
  44 /*---------------------  Export Classes  ----------------------------*/
  45
  46 /*---------------------  Export Variables  --------------------------*/
  47
  48 /*---------------------  Export Types  ------------------------------*/
  49
  50 /*---------------------  Export Functions  --------------------------*/
  51
  52 void
  53 RATEvParseMaxRate(
  54         void *pDeviceHandler,
  55         PWLAN_IE_SUPP_RATES pItemRates,
  56         PWLAN_IE_SUPP_RATES pItemExtRates,
  57         bool bUpdateBasicRate,
  58         unsigned short *pwMaxBasicRate,
  59         unsigned short *pwMaxSuppRate,
  60         unsigned short *pwSuppRate,
  61         unsigned char *pbyTopCCKRate,
  62         unsigned char *pbyTopOFDMRate
  63 );
  64
  65 void
  66 RATEvTxRateFallBack(
  67         void *pDeviceHandler,
  68         PKnownNodeDB psNodeDBTable
  69 );
  70
  71 unsigned char
  72 RATEuSetIE(
  73         PWLAN_IE_SUPP_RATES pSrcRates,
  74         PWLAN_IE_SUPP_RATES pDstRates,
  75         unsigned int uRateLen
  76 );
  77
  78 unsigned short
  79 wGetRateIdx(
  80         unsigned char byRate
  81 );
  82
  83 unsigned char
  84 DATARATEbyGetRateIdx(
  85         unsigned char byRate
  86 );
  87
  88 #endif //__DATARATE_H__