from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest
from framework import VppTestCase, VppTestRunner
-from util import ppp
+from util import ppp, reassemble4
from vpp_papi import VppEnum
super(TemplateIpsec, self).setUp()
self.setup_params()
- self.payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"\
- "XXXXXXXXXXXXXXXXXXXXX"
self.tun_spd_id = 1
self.tra_spd_id = 2
if not self.vpp_dead:
self.vapi.cli("show hardware")
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1):
+ def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
+ payload_size=54):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- sa.encrypt(IP(src=src, dst=dst) / ICMP() / self.payload)
+ sa.encrypt(IP(src=src, dst=dst) /
+ ICMP() / Raw('X' * payload_size))
for i in range(count)]
- def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1):
+ def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1,
+ payload_size=54):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
sa.encrypt(IPv6(src=src, dst=dst) /
- ICMPv6EchoRequest(id=0, seq=1, data=self.payload))
+ ICMPv6EchoRequest(id=0, seq=1,
+ data='X' * payload_size))
for i in range(count)]
- def gen_pkts(self, sw_intf, src, dst, count=1):
+ def gen_pkts(self, sw_intf, src, dst, count=1, payload_size=54):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- IP(src=src, dst=dst) / ICMP() / self.payload
+ IP(src=src, dst=dst) / ICMP() / Raw('X' * payload_size)
for i in range(count)]
- def gen_pkts6(self, sw_intf, src, dst, count=1):
+ def gen_pkts6(self, sw_intf, src, dst, count=1, payload_size=54):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
IPv6(src=src, dst=dst) /
- ICMPv6EchoRequest(id=0, seq=1, data=self.payload)
+ ICMPv6EchoRequest(id=0, seq=1, data='X' * payload_size)
for i in range(count)]
self.assert_packet_counter_equal(self.tun4_encrypt_node_name, count)
self.assert_packet_counter_equal(self.tun4_decrypt_node_name, count)
- def verify_tun_44(self, p, count=1):
+ def verify_tun_44(self, p, count=1, payload_size=64, n_rx=None):
self.vapi.cli("clear errors")
+ if not n_rx:
+ n_rx = count
try:
config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
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=p.remote_tun_if_host, count=count)
- recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if)
+ dst=p.remote_tun_if_host, count=count,
+ payload_size=payload_size)
+ recv_pkts = self.send_and_expect(self.pg1, send_pkts,
+ self.tun_if, n_rx)
+ decrypt_pkts = []
for recv_pkt in recv_pkts:
try:
decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IP])
if not decrypt_pkt.haslayer(IP):
decrypt_pkt = IP(decrypt_pkt[Raw].load)
+ decrypt_pkts.append(decrypt_pkt)
self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host)
- self.assert_packet_checksums_valid(decrypt_pkt)
except:
self.logger.debug(ppp("Unexpected packet:", recv_pkt))
try:
except:
pass
raise
+ pkts = reassemble4(decrypt_pkts)
+ for pkt in pkts:
+ self.assert_packet_checksums_valid(pkt)
finally:
self.logger.info(self.vapi.ppcli("show error"))
self.logger.info(self.vapi.ppcli("show ipsec"))
self.tun_if = self.pg0
p = self.ipv4_params
- tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
- p.scapy_tun_spi, p.crypt_algo_vpp_id,
- p.crypt_key, p.crypt_key,
- p.auth_algo_vpp_id, p.auth_key,
- p.auth_key)
- tun_if.add_vpp_config()
- tun_if.admin_up()
- tun_if.config_ip4()
- tun_if.config_ip6()
+
+ p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
+ p.scapy_tun_spi, p.crypt_algo_vpp_id,
+ p.crypt_key, p.crypt_key,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.auth_key)
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.config_ip6()
VppIpRoute(self, p.remote_tun_if_host, 32,
- [VppRoutePath(tun_if.remote_ip4,
+ [VppRoutePath(p.tun_if.remote_ip4,
0xffffffff)]).add_vpp_config()
VppIpRoute(self, p.remote_tun_if_host6, 128,
- [VppRoutePath(tun_if.remote_ip6,
+ [VppRoutePath(p.tun_if.remote_ip6,
0xffffffff,
proto=DpoProto.DPO_PROTO_IP6)],
is_ip6=1).add_vpp_config()
""" ipsec 6o4 tunnel basic test """
self.verify_tun_64(self.params[socket.AF_INET], count=257)
+ def test_tun_basic_frag44(self):
+ """ ipsec 4o4 tunnel frag basic test """
+ p = self.ipv4_params
+
+ self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index,
+ [1500, 0, 0, 0])
+ self.verify_tun_44(self.params[socket.AF_INET],
+ count=1, payload_size=1800, n_rx=2)
+ self.vapi.sw_interface_set_mtu(p.tun_if.sw_if_index,
+ [9000, 0, 0, 0])
+
class TestIpsec4TunIfEsp2(TemplateIpsec4TunIfEsp, IpsecTcpTests):
""" Ipsec ESP - TCP tests """