udp_hdr->src_port = rte_cpu_to_be_16(tx_udp_src_port);
udp_hdr->dst_port = rte_cpu_to_be_16(tx_udp_dst_port);
udp_hdr->dgram_len = RTE_CPU_TO_BE_16(pkt_len);
udp_hdr->src_port = rte_cpu_to_be_16(tx_udp_src_port);
udp_hdr->dst_port = rte_cpu_to_be_16(tx_udp_dst_port);
udp_hdr->dgram_len = RTE_CPU_TO_BE_16(pkt_len);