nat: Final NAT44 EI/ED split patch

This patch achieves complete separation of
endpoint-dependent and endpoint-independent IPv4 NAT
features. Some common stuff is also moved to NAT
library.

Type: refactor

Change-Id: I52468b7e2b5ac28958a2baf8e2ea01787322e801
Signed-off-by: Filip Varga <fivarga@cisco.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/plugins/nat/lib/nat_types.api b/src/plugins/nat/lib/nat_types.api
new file mode 100644
index 00000000000..ad4ee9faba0
--- /dev/null
+++ b/src/plugins/nat/lib/nat_types.api
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2020 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.
+ */
+
+option version = "0.0.1";
+
+typedef nat_timeouts
+{
+  u32 udp;
+  u32 tcp_established;
+  u32 tcp_transitory;
+  u32 icmp;
+};
+
+enum nat_log_level : u8
+{
+  NAT_LOG_NONE = 0x00,
+  NAT_LOG_ERROR = 0x01,
+  NAT_LOG_WARNING = 0x02,
+  NAT_LOG_NOTICE = 0x03,
+  NAT_LOG_INFO = 0x04,
+  NAT_LOG_DEBUG = 0x05,
+};
+
+enum nat_config_flags : u8
+{
+  NAT_IS_NONE = 0x00,
+  NAT_IS_TWICE_NAT = 0x01,
+  NAT_IS_SELF_TWICE_NAT = 0x02,
+  NAT_IS_OUT2IN_ONLY = 0x04,
+  NAT_IS_ADDR_ONLY = 0x08,
+  NAT_IS_OUTSIDE = 0x10,
+  NAT_IS_INSIDE = 0x20,
+  NAT_IS_STATIC = 0x40,
+  NAT_IS_EXT_HOST_VALID = 0x80,
+};