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, 52 insertions, 0 deletions

diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py
new file mode 100644
index 00000000000..c260f03b63d
--- /dev/null
+++ b/test/test_ipsec_tun_if_esp.py
@@ -0,0 +1,52 @@
+import unittest
+import socket
+from scapy.layers.ipsec import ESP
+from framework import VppTestRunner
+from template_ipsec import TemplateIpsec, IpsecTunTests, IpsecTcpTests
+from vpp_ipsec_tun_interface import VppIpsecTunInterface
+
+
+class TemplateIpsecTunIfEsp(TemplateIpsec):
+    """ IPsec tunnel interface tests """
+
+    encryption_type = ESP
+
+    @classmethod
+    def setUpClass(cls):
+        super(TemplateIpsecTunIfEsp, cls).setUpClass()
+        cls.tun_if = cls.pg0
+
+    def setUp(self):
+        self.ipsec_tun_if = VppIpsecTunInterface(self, self.pg0,
+                                                 self.vpp_tun_spi,
+                                                 self.scapy_tun_spi,
+                                                 self.crypt_algo_vpp_id,
+                                                 self.crypt_key,
+                                                 self.crypt_key,
+                                                 self.auth_algo_vpp_id,
+                                                 self.auth_key,
+                                                 self.auth_key)
+        self.ipsec_tun_if.add_vpp_config()
+        self.ipsec_tun_if.admin_up()
+        self.ipsec_tun_if.config_ip4()
+        src4 = socket.inet_pton(socket.AF_INET, self.remote_tun_if_host)
+        self.vapi.ip_add_del_route(src4, 32, self.ipsec_tun_if.remote_ip4n)
+
+    def tearDown(self):
+        if not self.vpp_dead:
+            self.vapi.cli("show hardware")
+        super(TemplateIpsecTunIfEsp, self).tearDown()
+
+
+class TestIpsecTunIfEsp1(TemplateIpsecTunIfEsp, IpsecTunTests):
+    """ Ipsec ESP - TUN tests """
+    pass
+
+
+class TestIpsecTunIfEsp2(TemplateIpsecTunIfEsp, IpsecTcpTests):
+    """ Ipsec ESP - TCP tests """
+    pass
+
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)