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authorDave Barach <dave@barachs.net>2019-09-04 12:09:32 -0400
committerDave Barach <openvpp@barachs.net>2019-09-07 01:26:58 +0000
commitc4abafd83df38051765352785b146277734701f4 (patch)
tree12633dc1337661d1c4d408df2d1bca67e1d940bc /src/plugins/oddbuf/oddbuf.h
parentb736e75d5bb2d132fb00c35b6aabaa52e5f624ad (diff)
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
Diffstat (limited to 'src/plugins/oddbuf/oddbuf.h')
-rw-r--r--src/plugins/oddbuf/oddbuf.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/plugins/oddbuf/oddbuf.h b/src/plugins/oddbuf/oddbuf.h
new file mode 100644
index 00000000000..1aa51e4fe07
--- /dev/null
+++ b/src/plugins/oddbuf/oddbuf.h
@@ -0,0 +1,60 @@
+
+/*
+ * oddbuf.h - skeleton vpp engine plug-in header file
+ *
+ * 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_h__
+#define __included_oddbuf_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/udp/udp.h>
+#include <vnet/ethernet/ethernet.h>
+
+#include <vppinfra/hash.h>
+#include <vppinfra/error.h>
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+
+ /* on/off switch for the periodic function */
+ u8 periodic_timer_enabled;
+
+ /* config parameters */
+ int n_to_copy;
+ int second_chunk_offset;
+ int first_chunk_offset;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+ ethernet_main_t *ethernet_main;
+} oddbuf_main_t;
+
+extern oddbuf_main_t oddbuf_main;
+
+extern vlib_node_registration_t oddbuf_node;
+
+#endif /* __included_oddbuf_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */