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/*++
Copyright (c) 2010 WonderMedia Technologies, Inc.
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, see http://www.gnu.org/licenses/>.
WonderMedia Technologies, Inc.
10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
--*/
#ifndef __TETHER_H__
#define __TETHER_H__
#if !defined(__TTYPE_H__)
#include "ttype.h"
#endif
/*--------------------- Export Definitions -------------------------*/
/*
* constants
*/
#define U_ETHER_ADDR_LEN 6 /* Ethernet address length */
#define U_TYPE_LEN 2
#define U_CRC_LEN 4
#define U_HEADER_LEN (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN)
#define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1) /* Ethernet address string length */
#define MIN_DATA_LEN 46 /* min data length */
#define MAX_DATA_LEN 1500 /* max data length */
#define MIN_PACKET_LEN (MIN_DATA_LEN + U_HEADER_LEN) /* 60, min total packet length (tx) */
#define MAX_PACKET_LEN (MAX_DATA_LEN + U_HEADER_LEN) /* 1514, max total packet length (tx) */
#define MAX_JUMBO_PKT_LEN 9040
#define MAX_LOOKAHEAD_SIZE MAX_PACKET_LEN
#define U_MULTI_ADDR_LEN 8 /* multicast address length */
/*
* wType field in the SEthernetHeader
*
* NOTE....
* in network byte order, high byte is going first
*/
#define TYPE_PKT_IP 0x0008
#define TYPE_PKT_ARP 0x0608
#define TYPE_PKT_RARP 0x3580
#define TYPE_PKT_IPX 0x3781
#define TYPE_PKT_PING_M_REQ 0x1180 /* master reguest */
#define TYPE_PKT_PING_S_GNT 0x2280 /* slave grant */
#define TYPE_PKT_PING_M 0x7780 /* pingpong master packet */
#define TYPE_PKT_PING_S 0x8880 /* pingpong slave packet */
#define TYPE_PKT_DISCONN_M 0x9980 /* pingpong master disconnect packet */
#define TYPE_PKT_WOL_M_REQ 0x3380 /* WOL waker request */
#define TYPE_PKT_WOL_S_GNT 0x4480 /* WOL sleeper grant */
/*
* 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 TYPE_802_11_DATA 0x0008
#define TYPE_802_11_MASK 0x000C
#define TYPE_802_11_RTS 0x00B4
#define TYPE_802_11_CONTROL 0x0004
#define TYPE_802_11_MGMT 0x0000
#define U_WMAC_HEADER_LEN 24
/*--------------------- Export Types ------------------------------*/
/*
* Ethernet packet
*/
typedef struct tagSEthernetHeader {
BYTE abyDstAddr[U_ETHER_ADDR_LEN];
BYTE abySrcAddr[U_ETHER_ADDR_LEN];
WORD wType;
} SEthernetHeader, DEF * PSEthernetHeader;
/*
* 802_3 packet
*/
typedef struct tagS802_3Header {
BYTE abyDstAddr[U_ETHER_ADDR_LEN];
BYTE abySrcAddr[U_ETHER_ADDR_LEN];
WORD wLen;
} S802_3Header, DEF * PS802_3Header;
typedef struct tagS802_2LCCHeader {
BYTE abyDstAddr[U_ETHER_ADDR_LEN];
BYTE abySrcAddr[U_ETHER_ADDR_LEN];
WORD wLen;
BYTE byDSAP;
BYTE bySSAP;
BYTE byCtrl;
} S802_2LCCHeader, DEF * PS802_2LCCHeader;
typedef struct tagS802_3SNAPHeader {
BYTE abyDstAddr[U_ETHER_ADDR_LEN];
BYTE abySrcAddr[U_ETHER_ADDR_LEN];
WORD wLen;
BYTE byDSAP;
BYTE bySSAP;
BYTE byCtrl;
BYTE Org[3];
WORD wType;
} S802_2SNAPHeader, DEF * PS802_2SNAPHeader;
typedef struct tagMACCtrlFrameHeader {
BYTE abyDstAddr[U_ETHER_ADDR_LEN];
BYTE abySrcAddr[U_ETHER_ADDR_LEN];
WORD wType;
WORD wOpCode;
WORD wPauseTimer;
BYTE abyReserved[42];
} SMACCtrlFrameHeader, DEF * PSMACCtrlFrameHeader;
/*
* 802_11 packet
*/
typedef struct tagS802_11Header {
WORD wFrameCtl;
WORD wDurationID;
BYTE abyAddr1[U_ETHER_ADDR_LEN];
BYTE abyAddr2[U_ETHER_ADDR_LEN];
BYTE abyAddr3[U_ETHER_ADDR_LEN];
WORD wSeqCtl;
#ifdef DS2DS
BYTE abyAddr4[U_ETHER_ADDR_LEN];
#endif
DWORD dwIV;
} S802_11Header, DEF * PS802_11Header;
/*--------------------- Export Macros ------------------------------*/
/* Frame type macro */
#define IS_MULTICAST_ADDRESS(pbyEtherAddr) \
((*(PBYTE)(pbyEtherAddr) & 0x01) == 1)
#define IS_BROADCAST_ADDRESS(pbyEtherAddr) ( \
(*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) && \
(*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \
)
#define IS_NULL_ADDRESS(pbyEtherAddr) ( \
(*(PDWORD)(pbyEtherAddr) == 0L) && \
(*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0) \
)
#define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) ( \
(*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \
(*(PWORD)((PBYTE)(pbyAddr1) + 4) == \
*(PWORD)((PBYTE)(pbyAddr2) + 4)) \
)
/*--------------------- Export Classes ----------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */
#endif /* __cplusplus */
BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
/* BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr); */
BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);
#ifdef __cplusplus
} /* End of extern "C" { */
#endif /* __cplusplus */
#endif /* __TETHER_H__ */
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