#ifndef __TETHER_H__
#define __TETHER_H__
+#include <linux/etherdevice.h>
#include "ttype.h"
/*--------------------- 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)
+#define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 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_LOOKAHEAD_SIZE MAX_PACKET_LEN
+#define MAX_LOOKAHEAD_SIZE ETH_FRAME_LEN
#define U_MULTI_ADDR_LEN 8 // multicast address length
// Ethernet packet
//
typedef struct tagSEthernetHeader {
- BYTE abyDstAddr[U_ETHER_ADDR_LEN];
- BYTE abySrcAddr[U_ETHER_ADDR_LEN];
+ BYTE abyDstAddr[ETH_ALEN];
+ BYTE abySrcAddr[ETH_ALEN];
WORD wType;
}__attribute__ ((__packed__))
SEthernetHeader, *PSEthernetHeader;
// 802_3 packet
//
typedef struct tagS802_3Header {
- BYTE abyDstAddr[U_ETHER_ADDR_LEN];
- BYTE abySrcAddr[U_ETHER_ADDR_LEN];
+ BYTE abyDstAddr[ETH_ALEN];
+ BYTE abySrcAddr[ETH_ALEN];
WORD wLen;
}__attribute__ ((__packed__))
S802_3Header, *PS802_3Header;
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];
+ BYTE abyAddr1[ETH_ALEN];
+ BYTE abyAddr2[ETH_ALEN];
+ BYTE abyAddr3[ETH_ALEN];
WORD wSeqCtl;
- BYTE abyAddr4[U_ETHER_ADDR_LEN];
+ BYTE abyAddr4[ETH_ALEN];
}__attribute__ ((__packed__))
S802_11Header, *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) \