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-rw-r--r--drivers/staging/vt6655/tether.c105
1 files changed, 0 insertions, 105 deletions
diff --git a/drivers/staging/vt6655/tether.c b/drivers/staging/vt6655/tether.c
deleted file mode 100644
index 1e7d3e2115a9..000000000000
--- a/drivers/staging/vt6655/tether.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (c) 2003 VIA Networking, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- *
- * File: tether.c
- *
- * Purpose:
- *
- * Author: Tevin Chen
- *
- * Date: May 21, 1996
- *
- * Functions:
- * ETHbyGetHashIndexByCrc32 - Calculate multicast hash value by CRC32
- * ETHbIsBufferCrc32Ok - Check CRC value of the buffer if Ok or not
- *
- * Revision History:
- *
- */
-
-#include "device.h"
-#include "tmacro.h"
-#include "tcrc.h"
-#include "tether.h"
-
-/*--------------------- Static Definitions -------------------------*/
-
-/*--------------------- Static Classes ----------------------------*/
-
-/*--------------------- Static Variables --------------------------*/
-
-/*--------------------- Static Functions --------------------------*/
-
-/*--------------------- Export Variables --------------------------*/
-
-/*
- * Description: Calculate multicast hash value by CRC32
- *
- * Parameters:
- * In:
- * pbyMultiAddr - Multicast Address
- * Out:
- * none
- *
- * Return Value: Hash value
- *
- */
-unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr)
-{
- int ii;
- unsigned char byTmpHash;
- unsigned char byHash = 0;
-
- // get the least 6-bits from CRC generator
- byTmpHash = (unsigned char)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
- 0xFFFFFFFFL) & 0x3F);
- // reverse most bit to least bit
- for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
- byHash <<= 1;
- if (byTmpHash & 0x01)
- byHash |= 1;
- byTmpHash >>= 1;
- }
-
- // adjust 6-bits to the right most
- return byHash >> 2;
-}
-
-/*
- * Description: Check CRC value of the buffer if Ok or not
- *
- * Parameters:
- * In:
- * pbyBuffer - pointer of buffer (normally is rx buffer)
- * cbFrameLength - length of buffer, including CRC portion
- * Out:
- * none
- *
- * Return Value: true if ok; false if error.
- *
- */
-bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength)
-{
- unsigned long dwCRC;
-
- dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
- if (cpu_to_le32(*((unsigned long *)(pbyBuffer + cbFrameLength - 4))) != dwCRC)
- return false;
-
- return true;
-}