gso: add vxlan tunnel support

Type: feature

Change-Id: I85f6ec77187a4983c66c5e22fd39fbb2cef82902
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index 69e041b..bf1dba7 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -1004,6 +1004,7 @@
 )
 
 list(APPEND VNET_HEADERS
+  gso/hdr_offset_parser.h
   gso/gso.h
 )