vhost: add external message handling to the API

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

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index b32babe..00ec58e 100644 (file)
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -820,3 +820,16 @@ int rte_vhost_set_vring_base(int vid, uint16_t queue_id,
 
        return 0;
 }
+
+int rte_vhost_extern_callback_register(int vid,
+               struct rte_vhost_user_extern_ops const * const ops, void *ctx)
+{
+       struct virtio_net *dev = get_device(vid);
+
+       if (!dev)
+               return -1;
+
+       dev->extern_ops = *ops;
+       dev->extern_data = ctx;
+       return 0;
+}