ip: fix udp/tcp checksum corner cases

When checksumming chained buffers with odd lengths: insert a
NULL byte, or the calculation fails.

Type: fix

Signed-off-by: Dave Barach <dave@barachs.net>
Signed-off-by: John Lo <loj@cisco.com>
Change-Id: I380f7c42897bdb28c8c29aa1c4cdaaa849cc9ecc
(cherry picked from commit c4abafd83df38051765352785b146277734701f4)

1 files changed, 31 insertions, 0 deletions

diff --git a/src/plugins/oddbuf/oddbuf_msg_enum.h b/src/plugins/oddbuf/oddbuf_msg_enum.h
new file mode 100644
index 00000000000..8e324d67c55
--- /dev/null
+++ b/src/plugins/oddbuf/oddbuf_msg_enum.h
@@ -0,0 +1,31 @@
+
+/*
+ * oddbuf_msg_enum.h - skeleton vpp engine plug-in message enumeration
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * 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.
+ */
+#ifndef included_oddbuf_msg_enum_h
+#define included_oddbuf_msg_enum_h
+
+#include <vppinfra/byte_order.h>
+
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <oddbuf/oddbuf_all_api_h.h>
+    /* We'll want to know how many messages IDs we need... */
+    VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+#endif /* included_oddbuf_msg_enum_h */