vhost-user: Add disable feature support in api

[vpp.git] / src / vnet / devices / virtio / vhost_user_api.c

diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/vnet/devices/virtio/vhost_user_api.c
index 59dba25..016ccbd 100644 (file)
--- a/src/vnet/devices/virtio/vhost_user_api.c
+++ b/src/vnet/devices/virtio/vhost_user_api.c
@@ -76,9 +76,19 @@ vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp)
   u32 sw_if_index = (u32) ~ 0;
   vnet_main_t *vnm = vnet_get_main ();
   vlib_main_t *vm = vlib_get_main ();
+  u64 features = (u64) ~ (0ULL);
+  u64 disabled_features = (u64) (0ULL);
+
+  if (mp->disable_mrg_rxbuf)
+    disabled_features = (1ULL << FEAT_VIRTIO_NET_F_MRG_RXBUF);
+
+  if (mp->disable_indirect_desc)
+    disabled_features |= (1ULL << FEAT_VIRTIO_F_INDIRECT_DESC);
+
+  features &= ~disabled_features;
 
   rv = vhost_user_create_if (vnm, vm, (char *) mp->sock_filename,
-                            mp->is_server, &sw_if_index, (u64) ~ 0,
+                            mp->is_server, &sw_if_index, features,
                             mp->renumber, ntohl (mp->custom_dev_instance),
                             (mp->use_custom_mac) ? mp->mac_address : NULL);