tunnel: Common types for IP tunnels

Type: refactor

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: I18dcdb7af3e327f6cacdbcb1e52b89f13d6ba6e2

1 files changed, 66 insertions, 0 deletions

diff --git a/src/vnet/tunnel/tunnel.h b/src/vnet/tunnel/tunnel.h
new file mode 100644
index 00000000000..e3390f5a165
--- /dev/null
+++ b/src/vnet/tunnel/tunnel.h
@@ -0,0 +1,66 @@
+/*
+ * tunnel.h: shared definitions for tunnels.
+ *
+ * Copyright (c) 2019 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 __TUNNEL_H__
+#define __TUNNEL_H__
+
+#include <vlib/vlib.h>
+
+#define foreach_tunnel_mode \
+  _(P2P, "point-to-point")      \
+  _(MP, "multi-point")          \
+
+typedef enum tunnel_mode_t_
+{
+#define _(n, s) TUNNEL_MODE_##n,
+  foreach_tunnel_mode
+#undef _
+} __clib_packed tunnel_mode_t;
+
+extern u8 *format_tunnel_mode (u8 * s, va_list * args);
+
+/**
+ * Keep these idenitical to those in ipip.api
+ */
+#define forech_tunnel_encap_decap_flag                     \
+  _(NONE, "none", 0x0)                              \
+  _(ENCAP_COPY_DF, "encap-copy-df", 0x1)            \
+  _(ENCAP_SET_DF, "encap-set-df", 0x2)              \
+  _(ENCAP_COPY_DSCP, "encap-copy-dscp", 0x4)        \
+  _(ENCAP_COPY_ECN, "encap-copy-ecn", 0x8)          \
+  _(DECAP_COPY_ECN, "decap-copy-ecn", 0x10)
+
+typedef enum tunnel_encap_decap_flags_t_
+{
+#define _(a,b,c) TUNNEL_ENCAP_DECAP_FLAG_##a = c,
+  forech_tunnel_encap_decap_flag
+#undef _
+} __clib_packed tunnel_encap_decap_flags_t;
+
+#define TUNNEL_FLAG_MASK (0x1f)
+
+extern u8 *format_tunnel_encap_decap_flags (u8 * s, va_list * args);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */