ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf, struct rte_ipv4_hdr *,
sizeof(struct rte_ether_hdr));
/* Extract cksum, ttl as ipv4 hdr is in cache */
ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf, struct rte_ipv4_hdr *,
sizeof(struct rte_ether_hdr));
/* Extract cksum, ttl as ipv4 hdr is in cache */