2 files changed, 76 insertions, 0 deletions
diff --git a/src/plugins/unittest/CMakeLists.txt b/src/plugins/unittest/CMakeLists.txt
index 3e98d2a71e5..1716077e129 100644
--- a/src/plugins/unittest/CMakeLists.txt
+++ b/src/plugins/unittest/CMakeLists.txt
@@ -16,6 +16,7 @@ add_vpp_plugin(unittest
   bier_test.c
   bihash_test.c
   fib_test.c
+  interface_test.c
   mfib_test.c
   session_test.c
   string_test.c
diff --git a/src/plugins/unittest/interface_test.c b/src/plugins/unittest/interface_test.c
new file mode 100644
index 00000000000..4cf5ae43b3c
--- /dev/null
+++ b/src/plugins/unittest/interface_test.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+
+static clib_error_t *
+test_interface_command_fn (vlib_main_t * vm,
+			   unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  vnet_hw_interface_flags_t flags;
+  vnet_main_t *vnm;
+  u32 sw_if_index;
+
+  flags = VNET_HW_INTERFACE_FLAG_NONE;
+  sw_if_index = ~0;
+  vnm = vnet_get_main ();
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat
+	  (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
+	;
+      else if (unformat (input, "up"))
+	flags = VNET_HW_INTERFACE_FLAG_LINK_UP;
+      else if (unformat (input, "down"))
+	;
+      else
+	break;
+    }
+
+  if (~0 != sw_if_index)
+    {
+      vnet_sw_interface_t *sw;
+
+      sw = vnet_get_sw_interface (vnm, sw_if_index);
+
+      vnet_hw_interface_set_flags (vnm, sw->hw_if_index, flags);
+    }
+  else
+    {
+      return clib_error_return (0, "unknown interface `%U'",
+				format_unformat_error, input);
+    }
+
+  return (NULL);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (test_interface_command, static) =
+{
+  .path = "test interface link-state",
+  .short_help = "test interface link-state <interface> [up] [down]",
+  .function = test_interface_command_fn,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */