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

This reverts commit a98346f664aae148d26a8e158008b773d73db96f.

Change-Id: Iee5b3a5ddff0e8fd3a30fe5973cee24de434fe12
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 0 insertions, 208 deletions

diff --git a/test/template_ipsec.py b/test/template_ipsec.py
deleted file mode 100644
index 9d95185cb9e..00000000000
--- a/test/template_ipsec.py
+++ /dev/null
@@ -1,208 +0,0 @@
-import unittest
-
-from scapy.layers.inet import IP, ICMP, TCP
-from scapy.layers.ipsec import SecurityAssociation
-from scapy.layers.l2 import Ether, Raw
-
-from framework import VppTestCase, VppTestRunner
-from util import ppp
-
-
-class TemplateIpsec(VppTestCase):
-    """
-    TRANSPORT MODE:
-
-     ------   encrypt   ---
-    |tra_if| <-------> |VPP|
-     ------   decrypt   ---
-
-    TUNNEL MODE:
-
-     ------   encrypt   ---   plain   ---
-    |tun_if| <-------  |VPP| <------ |pg1|
-     ------             ---           ---
-
-     ------   decrypt   ---   plain   ---
-    |tun_if| ------->  |VPP| ------> |pg1|
-     ------             ---           ---
-    """
-
-    remote_tun_if_host = '1.1.1.1'
-    payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
-
-    tun_spd_id = 1
-    scapy_tun_sa_id = 10
-    scapy_tun_spi = 1001
-    vpp_tun_sa_id = 20
-    vpp_tun_spi = 1000
-
-    tra_spd_id = 2
-    scapy_tra_sa_id = 30
-    scapy_tra_spi = 2001
-    vpp_tra_sa_id = 40
-    vpp_tra_spi = 2000
-
-    vpp_esp_protocol = 1
-    vpp_ah_protocol = 0
-
-    auth_algo_vpp_id = 2  # internal VPP enum value for SHA1_96
-    auth_algo = 'HMAC-SHA1-96'  # scapy name
-    auth_key = 'C91KUR9GYMm5GfkEvNjX'
-
-    crypt_algo_vpp_id = 1  # internal VPP enum value for AES_CBC_128
-    crypt_algo = 'AES-CBC'  # scapy name
-    crypt_key = 'JPjyOWBeVEQiMe7h'
-
-    @classmethod
-    def setUpClass(cls):
-        super(TemplateIpsec, cls).setUpClass()
-        cls.create_pg_interfaces(range(3))
-        cls.interfaces = list(cls.pg_interfaces)
-        for i in cls.interfaces:
-            i.admin_up()
-            i.config_ip4()
-            i.resolve_arp()
-
-    def tearDown(self):
-        super(TemplateIpsec, self).tearDown()
-        if not self.vpp_dead:
-            self.vapi.cli("show hardware")
-
-    def send_and_expect(self, input, pkts, output, count=1):
-        input.add_stream(pkts)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-        rx = output.get_capture(count)
-        return rx
-
-    def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1):
-        return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
-                sa.encrypt(IP(src=src, dst=dst) / ICMP() / self.payload)
-                for i in range(count)]
-
-    def gen_pkts(self, sw_intf, src, dst, count=1):
-        return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
-                IP(src=src, dst=dst) / ICMP() / self.payload
-                for i in range(count)]
-
-    def configure_sa_tun(self):
-        scapy_tun_sa = SecurityAssociation(self.encryption_type,
-                                           spi=self.vpp_tun_spi,
-                                           crypt_algo=self.crypt_algo,
-                                           crypt_key=self.crypt_key,
-                                           auth_algo=self.auth_algo,
-                                           auth_key=self.auth_key,
-                                           tunnel_header=IP(
-                                               src=self.tun_if.remote_ip4,
-                                               dst=self.tun_if.local_ip4))
-        vpp_tun_sa = SecurityAssociation(self.encryption_type,
-                                         spi=self.scapy_tun_spi,
-                                         crypt_algo=self.crypt_algo,
-                                         crypt_key=self.crypt_key,
-                                         auth_algo=self.auth_algo,
-                                         auth_key=self.auth_key,
-                                         tunnel_header=IP(
-                                             dst=self.tun_if.remote_ip4,
-                                             src=self.tun_if.local_ip4))
-        return vpp_tun_sa, scapy_tun_sa
-
-    def configure_sa_tra(self):
-        scapy_tra_sa = SecurityAssociation(self.encryption_type,
-                                           spi=self.vpp_tra_spi,
-                                           crypt_algo=self.crypt_algo,
-                                           crypt_key=self.crypt_key,
-                                           auth_algo=self.auth_algo,
-                                           auth_key=self.auth_key)
-        vpp_tra_sa = SecurityAssociation(self.encryption_type,
-                                         spi=self.scapy_tra_spi,
-                                         crypt_algo=self.crypt_algo,
-                                         crypt_key=self.crypt_key,
-                                         auth_algo=self.auth_algo,
-                                         auth_key=self.auth_key)
-        return vpp_tra_sa, scapy_tra_sa
-
-
-class IpsecTcpTests(object):
-    def test_tcp_checksum(self):
-        """ verify checksum correctness for vpp generated packets """
-        self.vapi.cli("test http server")
-        vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun()
-        send = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
-                scapy_tun_sa.encrypt(IP(src=self.remote_tun_if_host,
-                                        dst=self.tun_if.local_ip4) /
-                                     TCP(flags='S', dport=80)))
-        self.logger.debug(ppp("Sending packet:", send))
-        recv = self.send_and_expect(self.tun_if, [send], self.tun_if, 1)
-        recv = recv[0]
-        decrypted = vpp_tun_sa.decrypt(recv[IP])
-        self.assert_packet_checksums_valid(decrypted)
-
-
-class IpsecTraTests(object):
-    def test_tra_basic(self, count=1):
-        """ ipsec v4 transport basic test """
-        try:
-            vpp_tra_sa, scapy_tra_sa = self.configure_sa_tra()
-            send_pkts = self.gen_encrypt_pkts(scapy_tra_sa, self.tra_if,
-                                              src=self.tra_if.remote_ip4,
-                                              dst=self.tra_if.local_ip4,
-                                              count=count)
-            recv_pkts = self.send_and_expect(self.tra_if, send_pkts,
-                                             self.tra_if, count=count)
-            for p in recv_pkts:
-                decrypted = vpp_tra_sa.decrypt(p[IP])
-                self.assert_packet_checksums_valid(decrypted)
-        finally:
-            self.logger.info(self.vapi.ppcli("show error"))
-            self.logger.info(self.vapi.ppcli("show ipsec"))
-
-    def test_tra_burst(self):
-        """ ipsec v4 transport burst test """
-        try:
-            self.test_tra_basic(count=257)
-        finally:
-            self.logger.info(self.vapi.ppcli("show error"))
-            self.logger.info(self.vapi.ppcli("show ipsec"))
-
-
-class IpsecTunTests(object):
-    def test_tun_basic(self, count=1):
-        """ ipsec 4o4 tunnel basic test """
-        try:
-            vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun()
-            send_pkts = self.gen_encrypt_pkts(scapy_tun_sa, self.tun_if,
-                                              src=self.remote_tun_if_host,
-                                              dst=self.pg1.remote_ip4,
-                                              count=count)
-            recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1,
-                                             count=count)
-            for recv_pkt in recv_pkts:
-                self.assert_equal(recv_pkt[IP].src, self.remote_tun_if_host)
-                self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4)
-                self.assert_packet_checksums_valid(recv_pkt)
-            send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4,
-                                      dst=self.remote_tun_if_host, count=count)
-            recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if,
-                                             count=count)
-            for recv_pkt in recv_pkts:
-                decrypt_pkt = vpp_tun_sa.decrypt(recv_pkt[IP])
-                if not decrypt_pkt.haslayer(IP):
-                    decrypt_pkt = IP(decrypt_pkt[Raw].load)
-                self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
-                self.assert_equal(decrypt_pkt.dst, self.remote_tun_if_host)
-                self.assert_packet_checksums_valid(decrypt_pkt)
-        finally:
-            self.logger.info(self.vapi.ppcli("show error"))
-            self.logger.info(self.vapi.ppcli("show ipsec"))
-
-    def test_tun_burst(self):
-        """ ipsec 4o4 tunnel burst test """
-        try:
-            self.test_tun_basic(count=257)
-        finally:
-            self.logger.info(self.vapi.ppcli("show error"))
-            self.logger.info(self.vapi.ppcli("show ipsec"))
-
-
-if __name__ == '__main__':
-    unittest.main(testRunner=VppTestRunner)