acl-plugin: implement ACL lookup contexts for "ACL as a service" use by other plugins

This code implements the functionality required for other plugins wishing
to perform ACL lookups in the contexts of their choice, rather than only
in the context of the interface in/out.

The lookups are the stateless ACLs - there is no concept of "direction"
within the context, hence no concept of "connection" either.

The plugins need to include the

The file acl_lookup_context.md has more info.

Change-Id: I91ba97428cc92b24d1517e808dc2fd8e56ea2f8d
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/plugins/acl/exports.h b/src/plugins/acl/exports.h
new file mode 100644
index 00000000000..d904ad3bbae
--- /dev/null
+++ b/src/plugins/acl/exports.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018 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.
+ */
+#ifndef included_acl_exports_h
+#define included_acl_exports_h
+
+/*
+ * This file contains the declarations for external consumption,
+ * along with the necessary dependent includes.
+ */
+
+#define ACL_PLUGIN_EXTERNAL_EXPORTS
+
+#include <vlib/unix/plugin.h>
+
+#include <plugins/acl/acl.h>
+#include <plugins/acl/fa_node.h>
+#include <plugins/acl/public_inlines.h>
+
+#endif /* included_acl_exports_h */