vhost: add a flag to enable dequeue zero copy

[dpdk.git] / lib / librte_vhost / vhost.c

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index dbf5d1b..469117a 100644 (file)
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -291,6 +291,16 @@ vhost_set_ifname(int vid, const char *if_name, unsigned int if_len)
        dev->ifname[sizeof(dev->ifname) - 1] = '\0';
 }
 
+void
+vhost_enable_dequeue_zero_copy(int vid)
+{
+       struct virtio_net *dev = get_device(vid);
+
+       if (dev == NULL)
+               return;
+
+       dev->dequeue_zero_copy = 1;
+}
 
 int
 rte_vhost_get_numa_node(int vid)