1 files changed, 39 insertions, 0 deletions
diff --git a/src/vnet/ethernet/mac_address.c b/src/vnet/ethernet/mac_address.c
new file mode 100644
index 00000000000..72725c8e593
--- /dev/null
+++ b/src/vnet/ethernet/mac_address.c
@@ -0,0 +1,39 @@
+/*
+ * 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/ethernet/mac_address.h>
+
+const mac_address_t ZERO_MAC_ADDRESS = {
+  .bytes = {
+	    0, 0, 0, 0, 0, 0,
+	    },
+};
+
+u8 *
+format_mac_address_t (u8 * s, va_list * args)
+{
+  const mac_address_t *mac = va_arg (*args, mac_address_t *);
+
+  return (format (s, "%U", format_mac_address, mac->bytes));
+}
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */