openvswitch: Use ETH_ALEN to define ethernet addresses

#define _LINUX_OPENVSWITCH_H 1

#include <linux/types.h>

#include <linux/if_ether.h>

/**

 * struct ovs_header - header for OVS Generic Netlink messages.

#define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)

struct ovs_key_ethernet {

	__u8	 eth_src[6];

	__u8	 eth_dst[6];

	__u8	 eth_src[ETH_ALEN];

	__u8	 eth_dst[ETH_ALEN];

};

struct ovs_key_ipv4 {

	__be32 arp_sip;

	__be32 arp_tip;

	__be16 arp_op;

	__u8   arp_sha[6];

	__u8   arp_tha[6];

	__u8   arp_sha[ETH_ALEN];

	__u8   arp_tha[ETH_ALEN];

};

struct ovs_key_nd {

	__u32 nd_target[4];

	__u8  nd_sll[6];

	__u8  nd_tll[6];

	__u8  nd_sll[ETH_ALEN];

	__u8  nd_tll[ETH_ALEN];

};

/**