4 #define ETHERTYPE_PUP 0x0200
5 #define ETHERTYPE_IP 0x0800
6 #define ETHERTYPE_ARP 0x0806
7 #define ETHERTYPE_REVARP 0x8035
9 #define ETHER_ADDR_LEN 6
12 u_int8_t ether_dhost[ETHER_ADDR_LEN];
13 u_int8_t ether_shost[ETHER_ADDR_LEN];
15 } __attribute__((packed));
18 struct vlan_8021q_header {
19 u_int16_t priority_cfi_vid;