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authorJohn Lo <loj@cisco.com>2020-01-31 23:48:30 -0500
committerNeale Ranns <nranns@cisco.com>2020-02-05 14:29:25 +0000
commit90430b6e057ecd1ce4f8200a68d4142ebafcb3ec (patch)
treecb663b66c168aa98da985179251e7ed032bf4c4b /test/test_ipsec_tun_if_esp.py
parent51cabf2a1486e8b4aa6756184d6e2ba0efc78b8a (diff)
ipsec: set l2_len for GRE-TEB tunnel decap
Type: fix Ticket: VPP-1831 Signed-off-by: John Lo <loj@cisco.com> Change-Id: I655964b22021ac38cbced577091a1156286d4fd6
Diffstat (limited to 'test/test_ipsec_tun_if_esp.py')
-rw-r--r--test/test_ipsec_tun_if_esp.py123
1 files changed, 122 insertions, 1 deletions
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py
index 1a1ce800706..57c90f93ca8 100644
--- a/test/test_ipsec_tun_if_esp.py
+++ b/test/test_ipsec_tun_if_esp.py
@@ -3,7 +3,7 @@ import socket
import copy
from scapy.layers.ipsec import SecurityAssociation, ESP
-from scapy.layers.l2 import Ether, GRE
+from scapy.layers.l2 import Ether, GRE, Dot1Q
from scapy.packet import Raw
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6
@@ -17,6 +17,7 @@ from vpp_ipip_tun_interface import VppIpIpTunInterface
from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect
from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort
+from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
from util import ppp
from vpp_papi import VppEnum
@@ -781,6 +782,126 @@ class TestIpsecGreTebIfEsp(TemplateIpsec,
super(TestIpsecGreTebIfEsp, self).tearDown()
+class TestIpsecGreTebVlanIfEsp(TemplateIpsec,
+ IpsecTun4Tests):
+ """ Ipsec GRE TEB ESP - TUN tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+ omac = "00:11:22:33:44:55"
+
+ def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg0.remote_ip4,
+ dst=self.pg0.local_ip4) /
+ GRE() /
+ Ether(dst=self.omac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(dst=self.omac) /
+ Dot1Q(vlan=11) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.omac)
+ self.assert_equal(rx[Dot1Q].vlan, 11)
+ self.assert_equal(rx[IP].dst, "1.1.1.2")
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4)
+ self.assert_equal(pkt[IP].src, self.pg0.local_ip4)
+ self.assertTrue(pkt.haslayer(GRE))
+ e = pkt[Ether]
+ self.assertEqual(e[Ether].dst, self.omac)
+ self.assertFalse(e.haslayer(Dot1Q))
+ self.assertEqual(e[IP].dst, "1.1.1.2")
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecGreTebVlanIfEsp, self).setUp()
+
+ self.tun_if = self.pg0
+
+ p = self.ipv4_params
+
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+
+ self.pg1_11 = VppDot1QSubint(self, self.pg1, 11)
+ self.vapi.l2_interface_vlan_tag_rewrite(
+ sw_if_index=self.pg1_11.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
+ push_dot1q=11)
+ self.pg1_11.admin_up()
+
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.remote_ip4,
+ self.pg0.local_ip4)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ type=(VppEnum.vl_api_gre_tunnel_type_t.
+ GRE_API_TUNNEL_TYPE_TEB))
+ p.tun_if.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in])
+
+ p.tun_protect.add_vpp_config()
+
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
+
+ VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config()
+ VppBridgeDomainPort(self, bd1, self.pg1_11).add_vpp_config()
+
+ self.vapi.cli("clear ipsec sa")
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecGreTebVlanIfEsp, self).tearDown()
+ self.pg1_11.admin_down()
+ self.pg1_11.remove_vpp_config()
+
+
class TestIpsecGreTebIfEspTra(TemplateIpsec,
IpsecTun4Tests):
""" Ipsec GRE TEB ESP - Tra tests """