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-rw-r--r--src/plugins/dpdk/device/init.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index cf0203d187d..aebbb64dd76 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -565,6 +565,14 @@ dpdk_lib_init (dpdk_main_t * dm)
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
+ /*
+ * Enable use of RX interrupts if supported.
+ *
+ * There is no device flag or capability for this, so
+ * use the same check that the virtio driver does.
+ */
+ if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
+ xd->port_conf.intr_conf.rxq = 1;
break;
/* vmxnet3 */