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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, 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.h
*
* Purpose:
*
* Author: Tevin Chen
*
* Date: Jan. 28, 1997
*
*/
#ifndef __TETHER_H__
#define __TETHER_H__
#include <linux/if_ether.h>
#include "ttype.h"
/*--------------------- Export Definitions -------------------------*/
//
// constants
//
#define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
// Ethernet address string length
#define U_MULTI_ADDR_LEN 8 // multicast address length
#ifdef __BIG_ENDIAN
#define TYPE_MGMT_PROBE_RSP 0x5000
//
// wFrameCtl field in the S802_11Header
//
// NOTE....
// in network byte order, high byte is going first
#define FC_TODS 0x0001
#define FC_FROMDS 0x0002
#define FC_MOREFRAG 0x0004
#define FC_RETRY 0x0008
#define FC_POWERMGT 0x0010
#define FC_MOREDATA 0x0020
#define FC_WEP 0x0040
#define TYPE_802_11_ATIM 0x9000
#define TYPE_802_11_DATA 0x0800
#define TYPE_802_11_CTL 0x0400
#define TYPE_802_11_MGMT 0x0000
#define TYPE_802_11_MASK 0x0C00
#define TYPE_SUBTYPE_MASK 0xFC00
#define TYPE_802_11_NODATA 0x4000
#define TYPE_DATE_NULL 0x4800
#define TYPE_CTL_PSPOLL 0xa400
#define TYPE_CTL_RTS 0xb400
#define TYPE_CTL_CTS 0xc400
#define TYPE_CTL_ACK 0xd400
#else //if LITTLE_ENDIAN
//
// wType field in the SEthernetHeader
//
// NOTE....
// in network byte order, high byte is going first
#define TYPE_MGMT_PROBE_RSP 0x0050
//
// wFrameCtl field in the S802_11Header
//
// NOTE....
// in network byte order, high byte is going first
#define FC_TODS 0x0100
#define FC_FROMDS 0x0200
#define FC_MOREFRAG 0x0400
#define FC_RETRY 0x0800
#define FC_POWERMGT 0x1000
#define FC_MOREDATA 0x2000
#define FC_WEP 0x4000
#define TYPE_802_11_ATIM 0x0090
#define TYPE_802_11_DATA 0x0008
#define TYPE_802_11_CTL 0x0004
#define TYPE_802_11_MGMT 0x0000
#define TYPE_802_11_MASK 0x000C
#define TYPE_SUBTYPE_MASK 0x00FC
#define TYPE_802_11_NODATA 0x0040
#define TYPE_DATE_NULL 0x0048
#define TYPE_CTL_PSPOLL 0x00a4
#define TYPE_CTL_RTS 0x00b4
#define TYPE_CTL_CTS 0x00c4
#define TYPE_CTL_ACK 0x00d4
#endif //#ifdef __BIG_ENDIAN
#define WEP_IV_MASK 0x00FFFFFF
/*--------------------- Export Types ------------------------------*/
//
// Ethernet packet
//
typedef struct tagSEthernetHeader {
BYTE abyDstAddr[ETH_ALEN];
BYTE abySrcAddr[ETH_ALEN];
WORD wType;
} __attribute__ ((__packed__))
SEthernetHeader, *PSEthernetHeader;
//
// 802_3 packet
//
typedef struct tagS802_3Header {
BYTE abyDstAddr[ETH_ALEN];
BYTE abySrcAddr[ETH_ALEN];
WORD wLen;
} __attribute__ ((__packed__))
S802_3Header, *PS802_3Header;
//
// 802_11 packet
//
typedef struct tagS802_11Header {
WORD wFrameCtl;
WORD wDurationID;
BYTE abyAddr1[ETH_ALEN];
BYTE abyAddr2[ETH_ALEN];
BYTE abyAddr3[ETH_ALEN];
WORD wSeqCtl;
BYTE abyAddr4[ETH_ALEN];
} __attribute__ ((__packed__))
S802_11Header, *PS802_11Header;
/*--------------------- Export Macros ------------------------------*/
/*--------------------- Export Classes ----------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
//BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
bool ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength);
#endif /* __TETHER_H__ */
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