memset(tcp_hdr, 0, sizeof(struct rte_tcp_hdr));
tcp_hdr->src_port = rte_cpu_to_be_16(src_port);
tcp_hdr->dst_port = rte_cpu_to_be_16(dst_port);
memset(tcp_hdr, 0, sizeof(struct rte_tcp_hdr));
tcp_hdr->src_port = rte_cpu_to_be_16(src_port);
tcp_hdr->dst_port = rte_cpu_to_be_16(dst_port);