mirror of https://gitee.com/openkylin/linux.git
staging: vt6655L remove tether.c functions
remove ETHbyGetHashIndexByCrc32 ETHbIsBufferCrc32Ok tether.h header will be removed later Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley
Greg Kroah-Hartman
parent
1243317b46
commit
029c7d225a
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@ -14,7 +14,6 @@ vt6655_stage-y += device_main.o \
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power.o \
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power.o \
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srom.o \
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srom.o \
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mib.o \
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mib.o \
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tether.o \
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tcrc.o \
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tcrc.o \
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key.o \
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key.o \
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rf.o
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rf.o
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@ -1,105 +0,0 @@
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/*
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* Copyright (c) 2003 VIA Networking, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*
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* File: tether.c
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*
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* Purpose:
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*
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* Author: Tevin Chen
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*
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* Date: May 21, 1996
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*
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* Functions:
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* ETHbyGetHashIndexByCrc32 - Calculate multicast hash value by CRC32
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* ETHbIsBufferCrc32Ok - Check CRC value of the buffer if Ok or not
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*
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* Revision History:
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*
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*/
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#include "device.h"
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#include "tmacro.h"
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#include "tcrc.h"
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#include "tether.h"
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/*--------------------- Static Definitions -------------------------*/
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/*--------------------- Static Classes ----------------------------*/
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/*--------------------- Static Variables --------------------------*/
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/*--------------------- Static Functions --------------------------*/
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/*--------------------- Export Variables --------------------------*/
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/*
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* Description: Calculate multicast hash value by CRC32
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*
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* Parameters:
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* In:
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* pbyMultiAddr - Multicast Address
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* Out:
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* none
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*
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* Return Value: Hash value
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*
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*/
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unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr)
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{
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int ii;
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unsigned char byTmpHash;
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unsigned char byHash = 0;
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// get the least 6-bits from CRC generator
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byTmpHash = (unsigned char)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
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0xFFFFFFFFL) & 0x3F);
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// reverse most bit to least bit
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for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
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byHash <<= 1;
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if (byTmpHash & 0x01)
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byHash |= 1;
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byTmpHash >>= 1;
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}
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// adjust 6-bits to the right most
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return byHash >> 2;
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}
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/*
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* Description: Check CRC value of the buffer if Ok or not
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*
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* Parameters:
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* In:
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* pbyBuffer - pointer of buffer (normally is rx buffer)
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* cbFrameLength - length of buffer, including CRC portion
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* Out:
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* none
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*
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* Return Value: true if ok; false if error.
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*
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*/
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bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength)
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{
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unsigned long dwCRC;
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dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
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if (cpu_to_le32(*((unsigned long *)(pbyBuffer + cbFrameLength - 4))) != dwCRC)
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return false;
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return true;
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}
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@ -185,8 +185,4 @@ S802_11Header, *PS802_11Header;
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/*--------------------- Export Functions --------------------------*/
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/*--------------------- Export Functions --------------------------*/
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unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr);
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//unsigned char ETHbyGetHashIndexByCrc(unsigned char *pbyMultiAddr);
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bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength);
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#endif // __TETHER_H__
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#endif // __TETHER_H__
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