+void
+rx_vlan_qinq_strip_set(portid_t port_id, int on)
+{
+ int diag;
+ int vlan_offload;
+ uint64_t port_rx_offloads = ports[port_id].dev_conf.rxmode.offloads;
+
+ if (port_id_is_invalid(port_id, ENABLED_WARN))
+ return;
+
+ vlan_offload = rte_eth_dev_get_vlan_offload(port_id);
+
+ if (on) {
+ vlan_offload |= ETH_QINQ_STRIP_OFFLOAD;
+ port_rx_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
+ } else {
+ vlan_offload &= ~ETH_QINQ_STRIP_OFFLOAD;
+ port_rx_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
+ }
+
+ diag = rte_eth_dev_set_vlan_offload(port_id, vlan_offload);
+ if (diag < 0)
+ printf("%s(port_pi=%d, on=%d) failed "
+ "diag=%d\n", __func__, port_id, on, diag);
+ ports[port_id].dev_conf.rxmode.offloads = port_rx_offloads;
+}
+