diff options
Diffstat (limited to 'include/net/ethernet.h')
| -rw-r--r-- | include/net/ethernet.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/net/ethernet.h b/include/net/ethernet.h new file mode 100644 index 00000000..a536502d --- /dev/null +++ b/include/net/ethernet.h @@ -0,0 +1,47 @@ +#ifndef __NET_ETHERNET_H +#define __NET_ETHERNET_H 1 + +#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) + +#endif |