diff --git a/elixir/filters/cpppathinc.py b/elixir/filters/cpppathinc.py
index 6d3c48c2..d37875a5 100755
--- a/elixir/filters/cpppathinc.py
+++ b/elixir/filters/cpppathinc.py
@@ -1,4 +1,5 @@
 import re
+from typing import List
 from .utils import Filter, FilterContext, encode_number, decode_number, extension_matches
 
 # Filters for cpp includes like these:
@@ -8,8 +9,10 @@
 # If we make references to other projects, we could
 # end up with links to headers which are outside the project
 # Example: u-boot/v2023.10/source/env/embedded.c#L16
+# prefix_path: a list of paths, will be used to replace the prefix path during the untransform_formatted_code step
 class CppPathIncFilter(Filter):
-    def __init__(self, *args, **kwargs):
+    def __init__(self, prefix_path: List[str] = ["include"], *args, **kwargs):
+        self.prefix_path = prefix_path
         super().__init__(*args, **kwargs)
         self.cpppathinc = []
 
@@ -35,8 +38,11 @@ def keep_cpppathinc(m):
     def untransform_formatted_code(self, ctx: FilterContext, html: str) -> str:
         def replace_cpppathinc(m):
             w = self.cpppathinc[decode_number(m.group(1)) - 1]
-            path = f'/include/{ w }'
-            return f'<a href="{ ctx.get_absolute_source_url(path) }">{ w }</a>'
+            for p in self.prefix_path:
+                path = f'/%s/{ w }' % p
+                if ctx.query.file_exists(ctx.tag, path):
+                    return f'<a href="{ ctx.get_absolute_source_url(path) }">{ w }</a>'
+            return w
 
         return re.sub('__KEEPCPPPATHINC__([A-J]+)', replace_cpppathinc, html, flags=re.MULTILINE)
 
diff --git a/elixir/filters/projects.py b/elixir/filters/projects.py
index 1059ebd4..6715a7ab 100755
--- a/elixir/filters/projects.py
+++ b/elixir/filters/projects.py
@@ -102,6 +102,11 @@
         *default_filters,
         ConfigInFilter,
     ],
+    'vpp': [
+        *default_filters,
+        (CppPathIncFilter, {"prefix_path": ['src', 'src/plugins', 'src/vpp-api', 'src/vpp-api/vapi']}),
+        MakefileFileFilter,
+    ],
     'zephyr': [
         *default_filters,
         DtsiFilter,
diff --git a/utils/index b/utils/index
index 6e84a3e7..407bad4e 100755
--- a/utils/index
+++ b/utils/index
@@ -140,6 +140,7 @@ add_default_remotes $1 $# $2 linux https://git.kernel.org/pub/scm/linux/kernel/g
                                    https://github.com/bootlin/linux-history.git
 add_default_remotes $1 $# $2 xen https://xenbits.xen.org/git-http/xen.git
 add_default_remotes $1 $# $2 freebsd https://git.freebsd.org/src.git
+add_default_remotes $1 $# $2 vpp https://gerrit.fd.io/r/vpp
 
 # Index a single project
 if test "x$2" != "x--all"; then