virtio: add vhost sw_if_index filter for sw_interface_vhost_user_dump

[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 6736533..80fe554 100644 (file)
--- a/src/vnet/devices/virtio/vhost_user_api.c
+++ b/src/vnet/devices/virtio/vhost_user_api.c
@@ -211,7 +211,7 @@ static void
 
   filter_sw_if_index = htonl (mp->sw_if_index);
   if (filter_sw_if_index != ~0)
-    return;                    /* UNIMPLEMENTED */
+    VALIDATE_SW_IF_INDEX (mp);
 
   rv = vhost_user_dump_ifs (vnm, vm, &ifaces);
   if (rv)
@@ -219,8 +219,11 @@ static void
 
   vec_foreach (vuid, ifaces)
   {
-    send_sw_interface_vhost_user_details (am, reg, vuid, mp->context);
+    if ((filter_sw_if_index == ~0) ||
+       (vuid->sw_if_index == filter_sw_if_index))
+      send_sw_interface_vhost_user_details (am, reg, vuid, mp->context);
   }
+  BAD_SW_IF_INDEX_LABEL;
   vec_free (ifaces);
 }