MFF_IP_PROTO, /* u8 (used for IPv4 or IPv6) */
MFF_IP_DSCP, /* u8 (used for IPv4 or IPv6) */
MFF_IP_ECN, /* u8 (used for IPv4 or IPv6) */
+ MFF_IP_TTL, /* u8 (used for IPv4 or IPv6) */
MFF_IP_FRAG, /* u8 (used for IPv4 or IPv6) */
MFF_ARP_OP, /* be16 */