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
  45 /*---------------------  Export Classes  ----------------------------*/
  46
  47 /*---------------------  Export Variables  --------------------------*/
  48
  49
  50 /*---------------------  Export Types  ------------------------------*/
  51
  52
  53 /*---------------------  Export Functions  --------------------------*/
  54
  55
  56
  57 void
  58 RATEvParseMaxRate(
  59     void *pDeviceHandler,
  60     PWLAN_IE_SUPP_RATES pItemRates,
  61     PWLAN_IE_SUPP_RATES pItemExtRates,
  62     bool bUpdateBasicRate,
  63     unsigned short *pwMaxBasicRate,
  64     unsigned short *pwMaxSuppRate,
  65     unsigned short *pwSuppRate,
  66     unsigned char *pbyTopCCKRate,
  67     unsigned char *pbyTopOFDMRate
  68     );
  69
  70 void
  71 RATEvTxRateFallBack(
  72     void *pDeviceHandler,
  73     PKnownNodeDB psNodeDBTable
  74     );
  75
  76 unsigned char
  77 RATEuSetIE(
  78     PWLAN_IE_SUPP_RATES pSrcRates,
  79     PWLAN_IE_SUPP_RATES pDstRates,
  80     unsigned int uRateLen
  81     );
  82
  83 unsigned short
  84 wGetRateIdx(
  85     unsigned char byRate
  86     );
  87
  88
  89 unsigned char
  90 DATARATEbyGetRateIdx(
  91     unsigned char byRate
  92     );
  93
  94
  95 #endif //__DATARATE_H__