1 files changed, 56 insertions, 0 deletions
diff --git a/src/vnet/buffer.c b/src/vnet/buffer.c
new file mode 100644
index 00000000000..78b32ea525f
--- /dev/null
+++ b/src/vnet/buffer.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017 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 <vlib/vlib.h>
+#include <vnet/buffer.h>
+
+
+u8 *
+format_vnet_buffer (u8 * s, va_list * args)
+{
+  vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
+  u32 indent = format_get_indent (s);
+  u8 *a = 0;
+
+#define _(bit, name, v) \
+  if (v && (b->flags & VNET_BUFFER_F_##name)) \
+    a = format (a, "%s ", v);
+  foreach_vnet_buffer_field
+#undef _
+    if (b->flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID)
+    a = format (a, "l2-hdr-offset %d ", vnet_buffer (b)->l2_hdr_offset);
+
+  if (b->flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID)
+    a = format (a, "l2-hdr-offset %d ", vnet_buffer (b)->l3_hdr_offset);
+
+  if (b->flags & VNET_BUFFER_F_L4_HDR_OFFSET_VALID)
+    a = format (a, "l4-hdr-offset %d ", vnet_buffer (b)->l4_hdr_offset);
+
+  s = format (s, "%U", format_vlib_buffer, b);
+  if (a)
+    s = format (s, "\n%U%v", format_white_space, indent, a);
+  vec_free (a);
+
+  return s;
+}
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */