ipsec: VPP-1316 calculate IP/TCP/UDP inner checksums

Calculate IP/TCP/UDP checksums in software before adding authentication.

Change-Id: I3e121cb00aeba667764f39ade8d62170f18f8b6b
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/test/vpp_ipsec_tun_interface.py b/test/vpp_ipsec_tun_interface.py
new file mode 100644
index 00000000000..bd635417f02
--- /dev/null
+++ b/test/vpp_ipsec_tun_interface.py
@@ -0,0 +1,43 @@
+from vpp_tunnel_interface import VppTunnelInterface
+
+
+class VppIpsecTunInterface(VppTunnelInterface):
+    """
+    VPP IPsec Tunnel interface
+    """
+
+    def __init__(self, test, parent_if, local_spi,
+                 remote_spi, crypto_alg, local_crypto_key, remote_crypto_key,
+                 integ_alg, local_integ_key, remote_integ_key):
+        super(VppIpsecTunInterface, self).__init__(test, parent_if)
+        self.local_spi = local_spi
+        self.remote_spi = remote_spi
+        self.crypto_alg = crypto_alg
+        self.local_crypto_key = local_crypto_key
+        self.remote_crypto_key = remote_crypto_key
+        self.integ_alg = integ_alg
+        self.local_integ_key = local_integ_key
+        self.remote_integ_key = remote_integ_key
+
+    def add_vpp_config(self):
+        r = self.test.vapi.ipsec_tunnel_if_add_del(
+            self.parent_if.local_ip4n, self.parent_if.remote_ip4n,
+            self.remote_spi, self.local_spi, self.crypto_alg,
+            self.local_crypto_key, self.remote_crypto_key, self.integ_alg,
+            self.local_integ_key, self.remote_integ_key)
+        self.set_sw_if_index(r.sw_if_index)
+        self.generate_remote_hosts()
+        self.test.registry.register(self, self.test.logger)
+
+    def remove_vpp_config(self):
+        self.test.vapi.ipsec_tunnel_if_add_del(
+            self.parent_if.local_ip4n, self.parent_if.remote_ip4n,
+            self.remote_spi, self.local_spi, self.crypto_alg,
+            self.local_crypto_key, self.remote_crypto_key, self.integ_alg,
+            self.local_integ_key, self.remote_integ_key, is_add=0)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "ipsec-tun-if-%d" % self._sw_if_index