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    1: #ifndef __ETHER_H_
    2: #define __ETHER_H_
    3: 
    4: #define	ETHERTYPE_PUP		0x0200   
    5: #define	ETHERTYPE_IP		0x0800
    6: #define	ETHERTYPE_ARP		0x0806
    7: #define	ETHERTYPE_REVARP	0x8035
    8: 
    9: #define	ETHER_ADDR_LEN		6
   10: 
   11: struct	ether_header {
   12: 	u_int8_t	ether_dhost[ETHER_ADDR_LEN];
   13: 	u_int8_t	ether_shost[ETHER_ADDR_LEN];
   14: 	u_int16_t	ether_type;
   15: };
   16: 
   17: struct vlan_8021q_header {
   18: 	u_int16_t	priority_cfi_vid;
   19: 	u_int16_t	ether_type;
   20: };
   21: 
   22: #endif