drivers/staging/vt6656/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 #define RATE_1M         0
  46 #define RATE_2M         1
  47 #define RATE_5M         2
  48 #define RATE_11M        3
  49 #define RATE_6M         4
  50 #define RATE_9M         5
  51 #define RATE_12M        6
  52 #define RATE_18M        7
  53 #define RATE_24M        8
  54 #define RATE_36M        9
  55 #define RATE_48M       10
  56 #define RATE_54M       11
  57 #define RATE_AUTO      12
  58 #define MAX_RATE       12
  59
  60 /*---------------------  Export Classes  ----------------------------*/
  61
  62 /*---------------------  Export Variables  --------------------------*/
  63
  64
  65 /*---------------------  Export Types  ------------------------------*/
  66
  67
  68 /*---------------------  Export Functions  --------------------------*/
  69
  70
  71
  72 void
  73 RATEvParseMaxRate(
  74      void *pDeviceHandler,
  75      PWLAN_IE_SUPP_RATES pItemRates,
  76      PWLAN_IE_SUPP_RATES pItemExtRates,
  77      BOOL bUpdateBasicRate,
  78      PWORD pwMaxBasicRate,
  79      PWORD pwMaxSuppRate,
  80      PWORD pwSuppRate,
  81      PBYTE pbyTopCCKRate,
  82      PBYTE pbyTopOFDMRate
  83     );
  84
  85 void
  86 RATEvTxRateFallBack(
  87      void *pDeviceHandler,
  88      PKnownNodeDB psNodeDBTable
  89     );
  90
  91 BYTE
  92 RATEuSetIE(
  93      PWLAN_IE_SUPP_RATES pSrcRates,
  94      PWLAN_IE_SUPP_RATES pDstRates,
  95      unsigned int                uRateLen
  96     );
  97
  98 WORD
  99 RATEwGetRateIdx(
 100      BYTE byRate
 101     );
 102
 103
 104 BYTE
 105 DATARATEbyGetRateIdx(
 106      BYTE byRate
 107     );
 108
 109 #endif /* __DATARATE_H__ */