oh = rte_pktmbuf_mtod(*m, struct rte_ether_hdr *);
nh = (struct rte_ether_hdr *)
rte_pktmbuf_prepend(*m, sizeof(struct rte_vlan_hdr));
oh = rte_pktmbuf_mtod(*m, struct rte_ether_hdr *);
nh = (struct rte_ether_hdr *)
rte_pktmbuf_prepend(*m, sizeof(struct rte_vlan_hdr));