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 #define FALLBACK_PKT_COLLECT_TR_H  50   /* pkts */
  33 #define FALLBACK_PKT_COLLECT_TR_L  10   /* pkts */
  34 #define FALLBACK_POLL_SECOND       5    /* 5 sec */
  35 #define FALLBACK_RECOVER_SECOND    30   /* 30 sec */
  36 #define FALLBACK_THRESHOLD         15   /* percent */
  37 #define UPGRADE_THRESHOLD          5    /* percent */
  38 #define UPGRADE_CNT_THRD           3    /* times */
  39 #define RETRY_TIMES_THRD_H         2    /* times */
  40 #define RETRY_TIMES_THRD_L         1    /* times */
  41
  42 #define RATE_1M         0
  43 #define RATE_2M         1
  44 #define RATE_5M         2
  45 #define RATE_11M        3
  46 #define RATE_6M         4
  47 #define RATE_9M         5
  48 #define RATE_12M        6
  49 #define RATE_18M        7
  50 #define RATE_24M        8
  51 #define RATE_36M        9
  52 #define RATE_48M       10
  53 #define RATE_54M       11
  54 #define RATE_AUTO      12
  55
  56 void RATEvParseMaxRate(struct vnt_private *, PWLAN_IE_SUPP_RATES pItemRates,
  57         PWLAN_IE_SUPP_RATES pItemExtRates, int bUpdateBasicRate,
  58         u16 *pwMaxBasicRate, u16 *pwMaxSuppRate, u16 *pwSuppRate,
  59         u8 *pbyTopCCKRate, u8 *pbyTopOFDMRate);
  60
  61 void RATEvTxRateFallBack(struct vnt_private *pDevice,
  62         PKnownNodeDB psNodeDBTable);
  63
  64 u8
  65 RATEuSetIE(
  66      PWLAN_IE_SUPP_RATES pSrcRates,
  67      PWLAN_IE_SUPP_RATES pDstRates,
  68      unsigned int                uRateLen
  69     );
  70
  71 u16
  72 RATEwGetRateIdx(
  73      u8 byRate
  74     );
  75
  76 #endif /* __DATARATE_H__ */