npt66: network prefix translation for ipv6

This is the initial commit of a NPTv6 (RFC6296) implementation for VPP.
It's restricted to a single internal to external binding and runs
as an output/input feature on the egress interface.

Type: feature
Change-Id: I0e3497af97f1ebd99377b84dbf599ecea935ca24
Signed-off-by: Ole Troan <otroan@employees.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/plugins/npt66/npt66.api b/src/plugins/npt66/npt66.api
new file mode 100644
index 00000000000..01ce7759799
--- /dev/null
+++ b/src/plugins/npt66/npt66.api
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright(c) 2023 Cisco Systems, Inc.
+
+option version = "0.0.1";
+
+import "vnet/interface_types.api";
+import "vnet/ip/ip_types.api";
+
+autoendian autoreply define npt66_binding_add_del
+{
+    u32 client_index;
+    u32 context;
+
+    bool is_add;
+    vl_api_interface_index_t sw_if_index;
+    vl_api_ip6_prefix_t internal;
+    vl_api_ip6_prefix_t external;
+};