56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#ifndef _NET_ETHERNET_H
|
|
#define _NET_ETHERNET_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <netinet/if_ether.h>
|
|
|
|
struct ether_addr {
|
|
uint8_t ether_addr_octet[ETH_ALEN];
|
|
};
|
|
|
|
struct ether_header {
|
|
uint8_t ether_dhost[ETH_ALEN];
|
|
uint8_t ether_shost[ETH_ALEN];
|
|
uint16_t ether_type;
|
|
};
|
|
|
|
#define ETHERTYPE_PUP 0x0200
|
|
#define ETHERTYPE_SPRITE 0x0500
|
|
#define ETHERTYPE_IP 0x0800
|
|
#define ETHERTYPE_ARP 0x0806
|
|
#define ETHERTYPE_REVARP 0x8035
|
|
#define ETHERTYPE_AT 0x809B
|
|
#define ETHERTYPE_AARP 0x80F3
|
|
#define ETHERTYPE_VLAN 0x8100
|
|
#define ETHERTYPE_IPX 0x8137
|
|
#define ETHERTYPE_IPV6 0x86dd
|
|
#define ETHERTYPE_LOOPBACK 0x9000
|
|
|
|
|
|
#define ETHER_ADDR_LEN ETH_ALEN
|
|
#define ETHER_TYPE_LEN 2
|
|
#define ETHER_CRC_LEN 4
|
|
#define ETHER_HDR_LEN ETH_HLEN
|
|
#define ETHER_MIN_LEN (ETH_ZLEN + ETHER_CRC_LEN)
|
|
#define ETHER_MAX_LEN (ETH_FRAME_LEN + ETHER_CRC_LEN)
|
|
|
|
#define ETHER_IS_VALID_LEN(foo) \
|
|
((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
|
|
|
|
#define ETHERTYPE_TRAIL 0x1000
|
|
#define ETHERTYPE_NTRAILER 16
|
|
|
|
#define ETHERMTU ETH_DATA_LEN
|
|
#define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|