+#define VIRTQ_DESC_F_INDIRECT 4
+#define VHOST_USER_REPLY_MASK (0x1 << 2)
+
+#define VHOST_USER_PROTOCOL_F_MQ 0
+#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
+#define VHOST_VRING_F_LOG 0
+
+#define VHOST_USER_F_PROTOCOL_FEATURES 30
+#if DPDK == 0
+#define RTE_VERSION_NUM(a,b,c,d) 1
+#define RTE_VERSION 0
+#endif
+#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
+#define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
+ (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD))
+#else
+#define VHOST_USER_PROTOCOL_FEATURES (1ULL << VHOST_USER_PROTOCOL_F_MQ)
+#endif
+
+/* If multiqueue is provided by host, then we suppport it. */
+#define VIRTIO_NET_CTRL_MQ 4
+#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0
+#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1
+#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000