+static clib_error_t *
+dpdk_interface_rx_mode_change (vnet_main_t *vnm, u32 hw_if_index, u32 qid,
+ vnet_hw_if_rx_mode mode)
+{
+ dpdk_main_t *xm = &dpdk_main;
+ vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
+ dpdk_device_t *xd = vec_elt_at_index (xm->devices, hw->dev_instance);
+ int rv = 0;
+ if (!(xd->flags & DPDK_DEVICE_FLAG_INT_SUPPORTED))
+ return clib_error_return (0, "unsupported op (is the interface up?)", rv);
+ if (mode == VNET_HW_IF_RX_MODE_POLLING)
+ rv = rte_eth_dev_rx_intr_disable (xd->port_id, qid);
+ else
+ rv = rte_eth_dev_rx_intr_enable (xd->port_id, qid);
+ if (rv)
+ return clib_error_return (0, "dpdk_interface_rx_mode_change err %d", rv);
+ return 0;
+}
+